add netcut assets to repo

submodules are propably to complicated for deployment.... :-)

1 files changed, 43023 insertions, 0 deletions

diff --git a/assets/netcut/lib/videojs/video.cjs.js b/assets/netcut/lib/videojs/video.cjs.js
new file mode 100644
index 0000000..bd42437
--- /dev/null
+++ b/assets/netcut/lib/videojs/video.cjs.js
@@ -0,0 +1,43023 @@
+/**
+ * @license
+ * Video.js 7.2.4 <http://videojs.com/>
+ * Copyright Brightcove, Inc. <https://www.brightcove.com/>
+ * Available under Apache License Version 2.0
+ * <https://github.com/videojs/video.js/blob/master/LICENSE>
+ *
+ * Includes vtt.js <https://github.com/mozilla/vtt.js>
+ * Available under Apache License Version 2.0
+ * <https://github.com/mozilla/vtt.js/blob/master/LICENSE>
+ */
+
+function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }
+
+var window$1 = _interopDefault(require('global/window'));
+var document = _interopDefault(require('global/document'));
+var tsml = _interopDefault(require('tsml'));
+var xhr = _interopDefault(require('xhr'));
+var vtt = _interopDefault(require('videojs-vtt.js'));
+var safeParseTuple = _interopDefault(require('safe-json-parse/tuple'));
+var URLToolkit = _interopDefault(require('url-toolkit'));
+var m3u8Parser = require('m3u8-parser');
+var mpdParser = require('mpd-parser');
+var mp4probe = _interopDefault(require('mux.js/lib/mp4/probe'));
+var mp4 = require('mux.js/lib/mp4');
+var tsInspector = _interopDefault(require('mux.js/lib/tools/ts-inspector.js'));
+var aesDecrypter = require('aes-decrypter');
+
+var version = "7.2.4";
+
+/**
+ * @file log.js
+ * @module log
+ */
+
+var log = void 0;
+
+// This is the private tracking variable for logging level.
+var level = 'info';
+
+// This is the private tracking variable for the logging history.
+var history = [];
+
+/**
+ * Log messages to the console and history based on the type of message
+ *
+ * @private
+ * @param  {string} type
+ *         The name of the console method to use.
+ *
+ * @param  {Array} args
+ *         The arguments to be passed to the matching console method.
+ */
+var logByType = function logByType(type, args) {
+  var lvl = log.levels[level];
+  var lvlRegExp = new RegExp('^(' + lvl + ')$');
+
+  if (type !== 'log') {
+
+    // Add the type to the front of the message when it's not "log".
+    args.unshift(type.toUpperCase() + ':');
+  }
+
+  // Add a clone of the args at this point to history.
+  if (history) {
+    history.push([].concat(args));
+  }
+
+  // Add console prefix after adding to history.
+  args.unshift('VIDEOJS:');
+
+  // If there's no console then don't try to output messages, but they will
+  // still be stored in history.
+  if (!window$1.console) {
+    return;
+  }
+
+  // Was setting these once outside of this function, but containing them
+  // in the function makes it easier to test cases where console doesn't exist
+  // when the module is executed.
+  var fn = window$1.console[type];
+
+  if (!fn && type === 'debug') {
+    // Certain browsers don't have support for console.debug. For those, we
+    // should default to the closest comparable log.
+    fn = window$1.console.info || window$1.console.log;
+  }
+
+  // Bail out if there's no console or if this type is not allowed by the
+  // current logging level.
+  if (!fn || !lvl || !lvlRegExp.test(type)) {
+    return;
+  }
+
+  fn[Array.isArray(args) ? 'apply' : 'call'](window$1.console, args);
+};
+
+/**
+ * Logs plain debug messages. Similar to `console.log`.
+ *
+ * @class
+ * @param    {Mixed[]} args
+ *           One or more messages or objects that should be logged.
+ */
+log = function log() {
+  for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+    args[_key] = arguments[_key];
+  }
+
+  logByType('log', args);
+};
+
+/**
+ * Enumeration of available logging levels, where the keys are the level names
+ * and the values are `|`-separated strings containing logging methods allowed
+ * in that logging level. These strings are used to create a regular expression
+ * matching the function name being called.
+ *
+ * Levels provided by video.js are:
+ *
+ * - `off`: Matches no calls. Any value that can be cast to `false` will have
+ *   this effect. The most restrictive.
+ * - `all`: Matches only Video.js-provided functions (`debug`, `log`,
+ *   `log.warn`, and `log.error`).
+ * - `debug`: Matches `log.debug`, `log`, `log.warn`, and `log.error` calls.
+ * - `info` (default): Matches `log`, `log.warn`, and `log.error` calls.
+ * - `warn`: Matches `log.warn` and `log.error` calls.
+ * - `error`: Matches only `log.error` calls.
+ *
+ * @type {Object}
+ */
+log.levels = {
+  all: 'debug|log|warn|error',
+  off: '',
+  debug: 'debug|log|warn|error',
+  info: 'log|warn|error',
+  warn: 'warn|error',
+  error: 'error',
+  DEFAULT: level
+};
+
+/**
+ * Get or set the current logging level. If a string matching a key from
+ * {@link log.levels} is provided, acts as a setter. Regardless of argument,
+ * returns the current logging level.
+ *
+ * @param  {string} [lvl]
+ *         Pass to set a new logging level.
+ *
+ * @return {string}
+ *         The current logging level.
+ */
+log.level = function (lvl) {
+  if (typeof lvl === 'string') {
+    if (!log.levels.hasOwnProperty(lvl)) {
+      throw new Error('"' + lvl + '" in not a valid log level');
+    }
+    level = lvl;
+  }
+  return level;
+};
+
+/**
+ * Returns an array containing everything that has been logged to the history.
+ *
+ * This array is a shallow clone of the internal history record. However, its
+ * contents are _not_ cloned; so, mutating objects inside this array will
+ * mutate them in history.
+ *
+ * @return {Array}
+ */
+log.history = function () {
+  return history ? [].concat(history) : [];
+};
+
+/**
+ * Clears the internal history tracking, but does not prevent further history
+ * tracking.
+ */
+log.history.clear = function () {
+  if (history) {
+    history.length = 0;
+  }
+};
+
+/**
+ * Disable history tracking if it is currently enabled.
+ */
+log.history.disable = function () {
+  if (history !== null) {
+    history.length = 0;
+    history = null;
+  }
+};
+
+/**
+ * Enable history tracking if it is currently disabled.
+ */
+log.history.enable = function () {
+  if (history === null) {
+    history = [];
+  }
+};
+
+/**
+ * Logs error messages. Similar to `console.error`.
+ *
+ * @param {Mixed[]} args
+ *        One or more messages or objects that should be logged as an error
+ */
+log.error = function () {
+  for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+    args[_key2] = arguments[_key2];
+  }
+
+  return logByType('error', args);
+};
+
+/**
+ * Logs warning messages. Similar to `console.warn`.
+ *
+ * @param {Mixed[]} args
+ *        One or more messages or objects that should be logged as a warning.
+ */
+log.warn = function () {
+  for (var _len3 = arguments.length, args = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
+    args[_key3] = arguments[_key3];
+  }
+
+  return logByType('warn', args);
+};
+
+/**
+ * Logs debug messages. Similar to `console.debug`, but may also act as a comparable
+ * log if `console.debug` is not available
+ *
+ * @param {Mixed[]} args
+ *        One or more messages or objects that should be logged as debug.
+ */
+log.debug = function () {
+  for (var _len4 = arguments.length, args = Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
+    args[_key4] = arguments[_key4];
+  }
+
+  return logByType('debug', args);
+};
+
+var log$1 = log;
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
+  return typeof obj;
+} : function (obj) {
+  return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+};
+
+var classCallCheck = function (instance, Constructor) {
+  if (!(instance instanceof Constructor)) {
+    throw new TypeError("Cannot call a class as a function");
+  }
+};
+
+var inherits = function (subClass, superClass) {
+  if (typeof superClass !== "function" && superClass !== null) {
+    throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
+  }
+
+  subClass.prototype = Object.create(superClass && superClass.prototype, {
+    constructor: {
+      value: subClass,
+      enumerable: false,
+      writable: true,
+      configurable: true
+    }
+  });
+  if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
+};
+
+var possibleConstructorReturn = function (self, call) {
+  if (!self) {
+    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+  }
+
+  return call && (typeof call === "object" || typeof call === "function") ? call : self;
+};
+
+var taggedTemplateLiteralLoose = function (strings, raw) {
+  strings.raw = raw;
+  return strings;
+};
+
+/**
+ * @file obj.js
+ * @module obj
+ */
+
+/**
+ * @callback obj:EachCallback
+ *
+ * @param {Mixed} value
+ *        The current key for the object that is being iterated over.
+ *
+ * @param {string} key
+ *        The current key-value for object that is being iterated over
+ */
+
+/**
+ * @callback obj:ReduceCallback
+ *
+ * @param {Mixed} accum
+ *        The value that is accumulating over the reduce loop.
+ *
+ * @param {Mixed} value
+ *        The current key for the object that is being iterated over.
+ *
+ * @param {string} key
+ *        The current key-value for object that is being iterated over
+ *
+ * @return {Mixed}
+ *         The new accumulated value.
+ */
+var toString = Object.prototype.toString;
+
+/**
+ * Get the keys of an Object
+ *
+ * @param {Object}
+ *        The Object to get the keys from
+ *
+ * @return {string[]}
+ *         An array of the keys from the object. Returns an empty array if the
+ *         object passed in was invalid or had no keys.
+ *
+ * @private
+ */
+var keys = function keys(object) {
+  return isObject(object) ? Object.keys(object) : [];
+};
+
+/**
+ * Array-like iteration for objects.
+ *
+ * @param {Object} object
+ *        The object to iterate over
+ *
+ * @param {obj:EachCallback} fn
+ *        The callback function which is called for each key in the object.
+ */
+function each(object, fn) {
+  keys(object).forEach(function (key) {
+    return fn(object[key], key);
+  });
+}
+
+/**
+ * Array-like reduce for objects.
+ *
+ * @param {Object} object
+ *        The Object that you want to reduce.
+ *
+ * @param {Function} fn
+ *         A callback function which is called for each key in the object. It
+ *         receives the accumulated value and the per-iteration value and key
+ *         as arguments.
+ *
+ * @param {Mixed} [initial = 0]
+ *        Starting value
+ *
+ * @return {Mixed}
+ *         The final accumulated value.
+ */
+function reduce(object, fn) {
+  var initial = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
+
+  return keys(object).reduce(function (accum, key) {
+    return fn(accum, object[key], key);
+  }, initial);
+}
+
+/**
+ * Object.assign-style object shallow merge/extend.
+ *
+ * @param  {Object} target
+ * @param  {Object} ...sources
+ * @return {Object}
+ */
+function assign(target) {
+  for (var _len = arguments.length, sources = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+    sources[_key - 1] = arguments[_key];
+  }
+
+  if (Object.assign) {
+    return Object.assign.apply(Object, [target].concat(sources));
+  }
+
+  sources.forEach(function (source) {
+    if (!source) {
+      return;
+    }
+
+    each(source, function (value, key) {
+      target[key] = value;
+    });
+  });
+
+  return target;
+}
+
+/**
+ * Returns whether a value is an object of any kind - including DOM nodes,
+ * arrays, regular expressions, etc. Not functions, though.
+ *
+ * This avoids the gotcha where using `typeof` on a `null` value
+ * results in `'object'`.
+ *
+ * @param  {Object} value
+ * @return {Boolean}
+ */
+function isObject(value) {
+  return !!value && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object';
+}
+
+/**
+ * Returns whether an object appears to be a "plain" object - that is, a
+ * direct instance of `Object`.
+ *
+ * @param  {Object} value
+ * @return {Boolean}
+ */
+function isPlain(value) {
+  return isObject(value) && toString.call(value) === '[object Object]' && value.constructor === Object;
+}
+
+/**
+ * @file computed-style.js
+ * @module computed-style
+ */
+
+/**
+ * A safe getComputedStyle.
+ *
+ * This is needed because in Firefox, if the player is loaded in an iframe with
+ * `display:none`, then `getComputedStyle` returns `null`, so, we do a null-check to
+ * make sure  that the player doesn't break in these cases.
+ *
+ * @param {Element} el
+ *        The element you want the computed style of
+ *
+ * @param {string} prop
+ *        The property name you want
+ *
+ * @see https://bugzilla.mozilla.org/show_bug.cgi?id=548397
+ *
+ * @static
+ * @const
+ */
+function computedStyle(el, prop) {
+  if (!el || !prop) {
+    return '';
+  }
+
+  if (typeof window$1.getComputedStyle === 'function') {
+    var cs = window$1.getComputedStyle(el);
+
+    return cs ? cs[prop] : '';
+  }
+
+  return '';
+}
+
+var _templateObject = taggedTemplateLiteralLoose(['Setting attributes in the second argument of createEl()\n                has been deprecated. Use the third argument instead.\n                createEl(type, properties, attributes). Attempting to set ', ' to ', '.'], ['Setting attributes in the second argument of createEl()\n                has been deprecated. Use the third argument instead.\n                createEl(type, properties, attributes). Attempting to set ', ' to ', '.']);
+
+/**
+ * Detect if a value is a string with any non-whitespace characters.
+ *
+ * @param {string} str
+ *        The string to check
+ *
+ * @return {boolean}
+ *         - True if the string is non-blank
+ *         - False otherwise
+ *
+ */
+function isNonBlankString(str) {
+  return typeof str === 'string' && /\S/.test(str);
+}
+
+/**
+ * Throws an error if the passed string has whitespace. This is used by
+ * class methods to be relatively consistent with the classList API.
+ *
+ * @param {string} str
+ *         The string to check for whitespace.
+ *
+ * @throws {Error}
+ *         Throws an error if there is whitespace in the string.
+ *
+ */
+function throwIfWhitespace(str) {
+  if (/\s/.test(str)) {
+    throw new Error('class has illegal whitespace characters');
+  }
+}
+
+/**
+ * Produce a regular expression for matching a className within an elements className.
+ *
+ * @param {string} className
+ *         The className to generate the RegExp for.
+ *
+ * @return {RegExp}
+ *         The RegExp that will check for a specific `className` in an elements
+ *         className.
+ */
+function classRegExp(className) {
+  return new RegExp('(^|\\s)' + className + '($|\\s)');
+}
+
+/**
+ * Whether the current DOM interface appears to be real.
+ *
+ * @return {Boolean}
+ */
+function isReal() {
+  // Both document and window will never be undefined thanks to `global`.
+  return document === window$1.document;
+}
+
+/**
+ * Determines, via duck typing, whether or not a value is a DOM element.
+ *
+ * @param {Mixed} value
+ *        The thing to check
+ *
+ * @return {boolean}
+ *         - True if it is a DOM element
+ *         - False otherwise
+ */
+function isEl(value) {
+  return isObject(value) && value.nodeType === 1;
+}
+
+/**
+ * Determines if the current DOM is embedded in an iframe.
+ *
+ * @return {boolean}
+ *
+ */
+function isInFrame() {
+
+  // We need a try/catch here because Safari will throw errors when attempting
+  // to get either `parent` or `self`
+  try {
+    return window$1.parent !== window$1.self;
+  } catch (x) {
+    return true;
+  }
+}
+
+/**
+ * Creates functions to query the DOM using a given method.
+ *
+ * @param {string} method
+ *         The method to create the query with.
+ *
+ * @return {Function}
+ *         The query method
+ */
+function createQuerier(method) {
+  return function (selector, context) {
+    if (!isNonBlankString(selector)) {
+      return document[method](null);
+    }
+    if (isNonBlankString(context)) {
+      context = document.querySelector(context);
+    }
+
+    var ctx = isEl(context) ? context : document;
+
+    return ctx[method] && ctx[method](selector);
+  };
+}
+
+/**
+ * Creates an element and applies properties.
+ *
+ * @param {string} [tagName='div']
+ *         Name of tag to be created.
+ *
+ * @param {Object} [properties={}]
+ *         Element properties to be applied.
+ *
+ * @param {Object} [attributes={}]
+ *         Element attributes to be applied.
+ *
+ * @param {String|Element|TextNode|Array|Function} [content]
+ *         Contents for the element (see: {@link dom:normalizeContent})
+ *
+ * @return {Element}
+ *         The element that was created.
+ */
+function createEl() {
+  var tagName = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'div';
+  var properties = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+  var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+  var content = arguments[3];
+
+  var el = document.createElement(tagName);
+
+  Object.getOwnPropertyNames(properties).forEach(function (propName) {
+    var val = properties[propName];
+
+    // See #2176
+    // We originally were accepting both properties and attributes in the
+    // same object, but that doesn't work so well.
+    if (propName.indexOf('aria-') !== -1 || propName === 'role' || propName === 'type') {
+      log$1.warn(tsml(_templateObject, propName, val));
+      el.setAttribute(propName, val);
+
+      // Handle textContent since it's not supported everywhere and we have a
+      // method for it.
+    } else if (propName === 'textContent') {
+      textContent(el, val);
+    } else {
+      el[propName] = val;
+    }
+  });
+
+  Object.getOwnPropertyNames(attributes).forEach(function (attrName) {
+    el.setAttribute(attrName, attributes[attrName]);
+  });
+
+  if (content) {
+    appendContent(el, content);
+  }
+
+  return el;
+}
+
+/**
+ * Injects text into an element, replacing any existing contents entirely.
+ *
+ * @param {Element} el
+ *        The element to add text content into
+ *
+ * @param {string} text
+ *        The text content to add.
+ *
+ * @return {Element}
+ *         The element with added text content.
+ */
+function textContent(el, text) {
+  if (typeof el.textContent === 'undefined') {
+    el.innerText = text;
+  } else {
+    el.textContent = text;
+  }
+  return el;
+}
+
+/**
+ * Insert an element as the first child node of another
+ *
+ * @param {Element} child
+ *        Element to insert
+ *
+ * @param {Element} parent
+ *        Element to insert child into
+ */
+function prependTo(child, parent) {
+  if (parent.firstChild) {
+    parent.insertBefore(child, parent.firstChild);
+  } else {
+    parent.appendChild(child);
+  }
+}
+
+/**
+ * Check if an element has a CSS class
+ *
+ * @param {Element} element
+ *        Element to check
+ *
+ * @param {string} classToCheck
+ *        Class name to check for
+ *
+ * @return {boolean}
+ *         - True if the element had the class
+ *         - False otherwise.
+ *
+ * @throws {Error}
+ *         Throws an error if `classToCheck` has white space.
+ */
+function hasClass(element, classToCheck) {
+  throwIfWhitespace(classToCheck);
+  if (element.classList) {
+    return element.classList.contains(classToCheck);
+  }
+  return classRegExp(classToCheck).test(element.className);
+}
+
+/**
+ * Add a CSS class name to an element
+ *
+ * @param {Element} element
+ *        Element to add class name to.
+ *
+ * @param {string} classToAdd
+ *        Class name to add.
+ *
+ * @return {Element}
+ *         The dom element with the added class name.
+ */
+function addClass(element, classToAdd) {
+  if (element.classList) {
+    element.classList.add(classToAdd);
+
+    // Don't need to `throwIfWhitespace` here because `hasElClass` will do it
+    // in the case of classList not being supported.
+  } else if (!hasClass(element, classToAdd)) {
+    element.className = (element.className + ' ' + classToAdd).trim();
+  }
+
+  return element;
+}
+
+/**
+ * Remove a CSS class name from an element
+ *
+ * @param {Element} element
+ *        Element to remove a class name from.
+ *
+ * @param {string} classToRemove
+ *        Class name to remove
+ *
+ * @return {Element}
+ *         The dom element with class name removed.
+ */
+function removeClass(element, classToRemove) {
+  if (element.classList) {
+    element.classList.remove(classToRemove);
+  } else {
+    throwIfWhitespace(classToRemove);
+    element.className = element.className.split(/\s+/).filter(function (c) {
+      return c !== classToRemove;
+    }).join(' ');
+  }
+
+  return element;
+}
+
+/**
+ * The callback definition for toggleElClass.
+ *
+ * @callback Dom~PredicateCallback
+ * @param {Element} element
+ *        The DOM element of the Component.
+ *
+ * @param {string} classToToggle
+ *        The `className` that wants to be toggled
+ *
+ * @return {boolean|undefined}
+ *         - If true the `classToToggle` will get added to `element`.
+ *         - If false the `classToToggle` will get removed from `element`.
+ *         - If undefined this callback will be ignored
+ */
+
+/**
+ * Adds or removes a CSS class name on an element depending on an optional
+ * condition or the presence/absence of the class name.
+ *
+ * @param {Element} element
+ *        The element to toggle a class name on.
+ *
+ * @param {string} classToToggle
+ *        The class that should be toggled
+ *
+ * @param {boolean|PredicateCallback} [predicate]
+ *        See the return value for {@link Dom~PredicateCallback}
+ *
+ * @return {Element}
+ *         The element with a class that has been toggled.
+ */
+function toggleClass(element, classToToggle, predicate) {
+
+  // This CANNOT use `classList` internally because IE11 does not support the
+  // second parameter to the `classList.toggle()` method! Which is fine because
+  // `classList` will be used by the add/remove functions.
+  var has = hasClass(element, classToToggle);
+
+  if (typeof predicate === 'function') {
+    predicate = predicate(element, classToToggle);
+  }
+
+  if (typeof predicate !== 'boolean') {
+    predicate = !has;
+  }
+
+  // If the necessary class operation matches the current state of the
+  // element, no action is required.
+  if (predicate === has) {
+    return;
+  }
+
+  if (predicate) {
+    addClass(element, classToToggle);
+  } else {
+    removeClass(element, classToToggle);
+  }
+
+  return element;
+}
+
+/**
+ * Apply attributes to an HTML element.
+ *
+ * @param {Element} el
+ *        Element to add attributes to.
+ *
+ * @param {Object} [attributes]
+ *        Attributes to be applied.
+ */
+function setAttributes(el, attributes) {
+  Object.getOwnPropertyNames(attributes).forEach(function (attrName) {
+    var attrValue = attributes[attrName];
+
+    if (attrValue === null || typeof attrValue === 'undefined' || attrValue === false) {
+      el.removeAttribute(attrName);
+    } else {
+      el.setAttribute(attrName, attrValue === true ? '' : attrValue);
+    }
+  });
+}
+
+/**
+ * Get an element's attribute values, as defined on the HTML tag
+ * Attributes are not the same as properties. They're defined on the tag
+ * or with setAttribute (which shouldn't be used with HTML)
+ * This will return true or false for boolean attributes.
+ *
+ * @param {Element} tag
+ *        Element from which to get tag attributes.
+ *
+ * @return {Object}
+ *         All attributes of the element.
+ */
+function getAttributes(tag) {
+  var obj = {};
+
+  // known boolean attributes
+  // we can check for matching boolean properties, but not all browsers
+  // and not all tags know about these attributes, so, we still want to check them manually
+  var knownBooleans = ',' + 'autoplay,controls,playsinline,loop,muted,default,defaultMuted' + ',';
+
+  if (tag && tag.attributes && tag.attributes.length > 0) {
+    var attrs = tag.attributes;
+
+    for (var i = attrs.length - 1; i >= 0; i--) {
+      var attrName = attrs[i].name;
+      var attrVal = attrs[i].value;
+
+      // check for known booleans
+      // the matching element property will return a value for typeof
+      if (typeof tag[attrName] === 'boolean' || knownBooleans.indexOf(',' + attrName + ',') !== -1) {
+        // the value of an included boolean attribute is typically an empty
+        // string ('') which would equal false if we just check for a false value.
+        // we also don't want support bad code like autoplay='false'
+        attrVal = attrVal !== null ? true : false;
+      }
+
+      obj[attrName] = attrVal;
+    }
+  }
+
+  return obj;
+}
+
+/**
+ * Get the value of an element's attribute
+ *
+ * @param {Element} el
+ *        A DOM element
+ *
+ * @param {string} attribute
+ *        Attribute to get the value of
+ *
+ * @return {string}
+ *         value of the attribute
+ */
+function getAttribute(el, attribute) {
+  return el.getAttribute(attribute);
+}
+
+/**
+ * Set the value of an element's attribute
+ *
+ * @param {Element} el
+ *        A DOM element
+ *
+ * @param {string} attribute
+ *        Attribute to set
+ *
+ * @param {string} value
+ *        Value to set the attribute to
+ */
+function setAttribute(el, attribute, value) {
+  el.setAttribute(attribute, value);
+}
+
+/**
+ * Remove an element's attribute
+ *
+ * @param {Element} el
+ *        A DOM element
+ *
+ * @param {string} attribute
+ *        Attribute to remove
+ */
+function removeAttribute(el, attribute) {
+  el.removeAttribute(attribute);
+}
+
+/**
+ * Attempt to block the ability to select text while dragging controls
+ */
+function blockTextSelection() {
+  document.body.focus();
+  document.onselectstart = function () {
+    return false;
+  };
+}
+
+/**
+ * Turn off text selection blocking
+ */
+function unblockTextSelection() {
+  document.onselectstart = function () {
+    return true;
+  };
+}
+
+/**
+ * Identical to the native `getBoundingClientRect` function, but ensures that
+ * the method is supported at all (it is in all browsers we claim to support)
+ * and that the element is in the DOM before continuing.
+ *
+ * This wrapper function also shims properties which are not provided by some
+ * older browsers (namely, IE8).
+ *
+ * Additionally, some browsers do not support adding properties to a
+ * `ClientRect`/`DOMRect` object; so, we shallow-copy it with the standard
+ * properties (except `x` and `y` which are not widely supported). This helps
+ * avoid implementations where keys are non-enumerable.
+ *
+ * @param  {Element} el
+ *         Element whose `ClientRect` we want to calculate.
+ *
+ * @return {Object|undefined}
+ *         Always returns a plain
+ */
+function getBoundingClientRect(el) {
+  if (el && el.getBoundingClientRect && el.parentNode) {
+    var rect = el.getBoundingClientRect();
+    var result = {};
+
+    ['bottom', 'height', 'left', 'right', 'top', 'width'].forEach(function (k) {
+      if (rect[k] !== undefined) {
+        result[k] = rect[k];
+      }
+    });
+
+    if (!result.height) {
+      result.height = parseFloat(computedStyle(el, 'height'));
+    }
+
+    if (!result.width) {
+      result.width = parseFloat(computedStyle(el, 'width'));
+    }
+
+    return result;
+  }
+}
+
+/**
+ * The postion of a DOM element on the page.
+ *
+ * @typedef {Object} module:dom~Position
+ *
+ * @property {number} left
+ *           Pixels to the left
+ *
+ * @property {number} top
+ *           Pixels on top
+ */
+
+/**
+ * Offset Left.
+ * getBoundingClientRect technique from
+ * John Resig
+ *
+ * @see http://ejohn.org/blog/getboundingclientrect-is-awesome/
+ *
+ * @param {Element} el
+ *        Element from which to get offset
+ *
+ * @return {module:dom~Position}
+ *         The position of the element that was passed in.
+ */
+function findPosition(el) {
+  var box = void 0;
+
+  if (el.getBoundingClientRect && el.parentNode) {
+    box = el.getBoundingClientRect();
+  }
+
+  if (!box) {
+    return {
+      left: 0,
+      top: 0
+    };
+  }
+
+  var docEl = document.documentElement;
+  var body = document.body;
+
+  var clientLeft = docEl.clientLeft || body.clientLeft || 0;
+  var scrollLeft = window$1.pageXOffset || body.scrollLeft;
+  var left = box.left + scrollLeft - clientLeft;
+
+  var clientTop = docEl.clientTop || body.clientTop || 0;
+  var scrollTop = window$1.pageYOffset || body.scrollTop;
+  var top = box.top + scrollTop - clientTop;
+
+  // Android sometimes returns slightly off decimal values, so need to round
+  return {
+    left: Math.round(left),
+    top: Math.round(top)
+  };
+}
+
+/**
+ * x and y coordinates for a dom element or mouse pointer
+ *
+ * @typedef {Object} Dom~Coordinates
+ *
+ * @property {number} x
+ *           x coordinate in pixels
+ *
+ * @property {number} y
+ *           y coordinate in pixels
+ */
+
+/**
+ * Get pointer position in element
+ * Returns an object with x and y coordinates.
+ * The base on the coordinates are the bottom left of the element.
+ *
+ * @param {Element} el
+ *        Element on which to get the pointer position on
+ *
+ * @param {EventTarget~Event} event
+ *        Event object
+ *
+ * @return {Dom~Coordinates}
+ *         A Coordinates object corresponding to the mouse position.
+ *
+ */
+function getPointerPosition(el, event) {
+  var position = {};
+  var box = findPosition(el);
+  var boxW = el.offsetWidth;
+  var boxH = el.offsetHeight;
+
+  var boxY = box.top;
+  var boxX = box.left;
+  var pageY = event.pageY;
+  var pageX = event.pageX;
+
+  if (event.changedTouches) {
+    pageX = event.changedTouches[0].pageX;
+    pageY = event.changedTouches[0].pageY;
+  }
+
+  position.y = Math.max(0, Math.min(1, (boxY - pageY + boxH) / boxH));
+  position.x = Math.max(0, Math.min(1, (pageX - boxX) / boxW));
+
+  return position;
+}
+
+/**
+ * Determines, via duck typing, whether or not a value is a text node.
+ *
+ * @param {Mixed} value
+ *        Check if this value is a text node.
+ *
+ * @return {boolean}
+ *         - True if it is a text node
+ *         - False otherwise
+ */
+function isTextNode(value) {
+  return isObject(value) && value.nodeType === 3;
+}
+
+/**
+ * Empties the contents of an element.
+ *
+ * @param {Element} el
+ *        The element to empty children from
+ *
+ * @return {Element}
+ *         The element with no children
+ */
+function emptyEl(el) {
+  while (el.firstChild) {
+    el.removeChild(el.firstChild);
+  }
+  return el;
+}
+
+/**
+ * Normalizes content for eventual insertion into the DOM.
+ *
+ * This allows a wide range of content definition methods, but protects
+ * from falling into the trap of simply writing to `innerHTML`, which is
+ * an XSS concern.
+ *
+ * The content for an element can be passed in multiple types and
+ * combinations, whose behavior is as follows:
+ *
+ * @param {String|Element|TextNode|Array|Function} content
+ *        - String: Normalized into a text node.
+ *        - Element/TextNode: Passed through.
+ *        - Array: A one-dimensional array of strings, elements, nodes, or functions
+ *          (which return single strings, elements, or nodes).
+ *        - Function: If the sole argument, is expected to produce a string, element,
+ *          node, or array as defined above.
+ *
+ * @return {Array}
+ *         All of the content that was passed in normalized.
+ */
+function normalizeContent(content) {
+
+  // First, invoke content if it is a function. If it produces an array,
+  // that needs to happen before normalization.
+  if (typeof content === 'function') {
+    content = content();
+  }
+
+  // Next up, normalize to an array, so one or many items can be normalized,
+  // filtered, and returned.
+  return (Array.isArray(content) ? content : [content]).map(function (value) {
+
+    // First, invoke value if it is a function to produce a new value,
+    // which will be subsequently normalized to a Node of some kind.
+    if (typeof value === 'function') {
+      value = value();
+    }
+
+    if (isEl(value) || isTextNode(value)) {
+      return value;
+    }
+
+    if (typeof value === 'string' && /\S/.test(value)) {
+      return document.createTextNode(value);
+    }
+  }).filter(function (value) {
+    return value;
+  });
+}
+
+/**
+ * Normalizes and appends content to an element.
+ *
+ * @param {Element} el
+ *        Element to append normalized content to.
+ *
+ *
+ * @param {String|Element|TextNode|Array|Function} content
+ *        See the `content` argument of {@link dom:normalizeContent}
+ *
+ * @return {Element}
+ *         The element with appended normalized content.
+ */
+function appendContent(el, content) {
+  normalizeContent(content).forEach(function (node) {
+    return el.appendChild(node);
+  });
+  return el;
+}
+
+/**
+ * Normalizes and inserts content into an element; this is identical to
+ * `appendContent()`, except it empties the element first.
+ *
+ * @param {Element} el
+ *        Element to insert normalized content into.
+ *
+ * @param {String|Element|TextNode|Array|Function} content
+ *        See the `content` argument of {@link dom:normalizeContent}
+ *
+ * @return {Element}
+ *         The element with inserted normalized content.
+ *
+ */
+function insertContent(el, content) {
+  return appendContent(emptyEl(el), content);
+}
+
+/**
+ * Check if event was a single left click
+ *
+ * @param {EventTarget~Event} event
+ *        Event object
+ *
+ * @return {boolean}
+ *         - True if a left click
+ *         - False if not a left click
+ */
+function isSingleLeftClick(event) {
+  // Note: if you create something draggable, be sure to
+  // call it on both `mousedown` and `mousemove` event,
+  // otherwise `mousedown` should be enough for a button
+
+  if (event.button === undefined && event.buttons === undefined) {
+    // Why do we need `buttons` ?
+    // Because, middle mouse sometimes have this:
+    // e.button === 0 and e.buttons === 4
+    // Furthermore, we want to prevent combination click, something like
+    // HOLD middlemouse then left click, that would be
+    // e.button === 0, e.buttons === 5
+    // just `button` is not gonna work
+
+    // Alright, then what this block does ?
+    // this is for chrome `simulate mobile devices`
+    // I want to support this as well
+
+    return true;
+  }
+
+  if (event.button === 0 && event.buttons === undefined) {
+    // Touch screen, sometimes on some specific device, `buttons`
+    // doesn't have anything (safari on ios, blackberry...)
+
+    return true;
+  }
+
+  if (event.button !== 0 || event.buttons !== 1) {
+    // This is the reason we have those if else block above
+    // if any special case we can catch and let it slide
+    // we do it above, when get to here, this definitely
+    // is-not-left-click
+
+    return false;
+  }
+
+  return true;
+}
+
+/**
+ * Finds a single DOM element matching `selector` within the optional
+ * `context` of another DOM element (defaulting to `document`).
+ *
+ * @param {string} selector
+ *        A valid CSS selector, which will be passed to `querySelector`.
+ *
+ * @param {Element|String} [context=document]
+ *        A DOM element within which to query. Can also be a selector
+ *        string in which case the first matching element will be used
+ *        as context. If missing (or no element matches selector), falls
+ *        back to `document`.
+ *
+ * @return {Element|null}
+ *         The element that was found or null.
+ */
+var $ = createQuerier('querySelector');
+
+/**
+ * Finds a all DOM elements matching `selector` within the optional
+ * `context` of another DOM element (defaulting to `document`).
+ *
+ * @param {string} selector
+ *           A valid CSS selector, which will be passed to `querySelectorAll`.
+ *
+ * @param {Element|String} [context=document]
+ *           A DOM element within which to query. Can also be a selector
+ *           string in which case the first matching element will be used
+ *           as context. If missing (or no element matches selector), falls
+ *           back to `document`.
+ *
+ * @return {NodeList}
+ *         A element list of elements that were found. Will be empty if none were found.
+ *
+ */
+var $$ = createQuerier('querySelectorAll');
+
+var Dom = /*#__PURE__*/Object.freeze({
+  isReal: isReal,
+  isEl: isEl,
+  isInFrame: isInFrame,
+  createEl: createEl,
+  textContent: textContent,
+  prependTo: prependTo,
+  hasClass: hasClass,
+  addClass: addClass,
+  removeClass: removeClass,
+  toggleClass: toggleClass,
+  setAttributes: setAttributes,
+  getAttributes: getAttributes,
+  getAttribute: getAttribute,
+  setAttribute: setAttribute,
+  removeAttribute: removeAttribute,
+  blockTextSelection: blockTextSelection,
+  unblockTextSelection: unblockTextSelection,
+  getBoundingClientRect: getBoundingClientRect,
+  findPosition: findPosition,
+  getPointerPosition: getPointerPosition,
+  isTextNode: isTextNode,
+  emptyEl: emptyEl,
+  normalizeContent: normalizeContent,
+  appendContent: appendContent,
+  insertContent: insertContent,
+  isSingleLeftClick: isSingleLeftClick,
+  $: $,
+  $$: $$
+});
+
+/**
+ * @file guid.js
+ * @module guid
+ */
+
+/**
+ * Unique ID for an element or function
+ * @type {Number}
+ */
+var _guid = 1;
+
+/**
+ * Get a unique auto-incrementing ID by number that has not been returned before.
+ *
+ * @return {number}
+ *         A new unique ID.
+ */
+function newGUID() {
+  return _guid++;
+}
+
+/**
+ * @file dom-data.js
+ * @module dom-data
+ */
+
+/**
+ * Element Data Store.
+ *
+ * Allows for binding data to an element without putting it directly on the
+ * element. Ex. Event listeners are stored here.
+ * (also from jsninja.com, slightly modified and updated for closure compiler)
+ *
+ * @type {Object}
+ * @private
+ */
+var elData = {};
+
+/*
+ * Unique attribute name to store an element's guid in
+ *
+ * @type {String}
+ * @constant
+ * @private
+ */
+var elIdAttr = 'vdata' + new Date().getTime();
+
+/**
+ * Returns the cache object where data for an element is stored
+ *
+ * @param {Element} el
+ *        Element to store data for.
+ *
+ * @return {Object}
+ *         The cache object for that el that was passed in.
+ */
+function getData(el) {
+  var id = el[elIdAttr];
+
+  if (!id) {
+    id = el[elIdAttr] = newGUID();
+  }
+
+  if (!elData[id]) {
+    elData[id] = {};
+  }
+
+  return elData[id];
+}
+
+/**
+ * Returns whether or not an element has cached data
+ *
+ * @param {Element} el
+ *        Check if this element has cached data.
+ *
+ * @return {boolean}
+ *         - True if the DOM element has cached data.
+ *         - False otherwise.
+ */
+function hasData(el) {
+  var id = el[elIdAttr];
+
+  if (!id) {
+    return false;
+  }
+
+  return !!Object.getOwnPropertyNames(elData[id]).length;
+}
+
+/**
+ * Delete data for the element from the cache and the guid attr from getElementById
+ *
+ * @param {Element} el
+ *        Remove cached data for this element.
+ */
+function removeData(el) {
+  var id = el[elIdAttr];
+
+  if (!id) {
+    return;
+  }
+
+  // Remove all stored data
+  delete elData[id];
+
+  // Remove the elIdAttr property from the DOM node
+  try {
+    delete el[elIdAttr];
+  } catch (e) {
+    if (el.removeAttribute) {
+      el.removeAttribute(elIdAttr);
+    } else {
+      // IE doesn't appear to support removeAttribute on the document element
+      el[elIdAttr] = null;
+    }
+  }
+}
+
+/**
+ * @file events.js. An Event System (John Resig - Secrets of a JS Ninja http://jsninja.com/)
+ * (Original book version wasn't completely usable, so fixed some things and made Closure Compiler compatible)
+ * This should work very similarly to jQuery's events, however it's based off the book version which isn't as
+ * robust as jquery's, so there's probably some differences.
+ *
+ * @module events
+ */
+
+/**
+ * Clean up the listener cache and dispatchers
+ *
+ * @param {Element|Object} elem
+ *        Element to clean up
+ *
+ * @param {string} type
+ *        Type of event to clean up
+ */
+function _cleanUpEvents(elem, type) {
+  var data = getData(elem);
+
+  // Remove the events of a particular type if there are none left
+  if (data.handlers[type].length === 0) {
+    delete data.handlers[type];
+    // data.handlers[type] = null;
+    // Setting to null was causing an error with data.handlers
+
+    // Remove the meta-handler from the element
+    if (elem.removeEventListener) {
+      elem.removeEventListener(type, data.dispatcher, false);
+    } else if (elem.detachEvent) {
+      elem.detachEvent('on' + type, data.dispatcher);
+    }
+  }
+
+  // Remove the events object if there are no types left
+  if (Object.getOwnPropertyNames(data.handlers).length <= 0) {
+    delete data.handlers;
+    delete data.dispatcher;
+    delete data.disabled;
+  }
+
+  // Finally remove the element data if there is no data left
+  if (Object.getOwnPropertyNames(data).length === 0) {
+    removeData(elem);
+  }
+}
+
+/**
+ * Loops through an array of event types and calls the requested method for each type.
+ *
+ * @param {Function} fn
+ *        The event method we want to use.
+ *
+ * @param {Element|Object} elem
+ *        Element or object to bind listeners to
+ *
+ * @param {string} type
+ *        Type of event to bind to.
+ *
+ * @param {EventTarget~EventListener} callback
+ *        Event listener.
+ */
+function _handleMultipleEvents(fn, elem, types, callback) {
+  types.forEach(function (type) {
+    // Call the event method for each one of the types
+    fn(elem, type, callback);
+  });
+}
+
+/**
+ * Fix a native event to have standard property values
+ *
+ * @param {Object} event
+ *        Event object to fix.
+ *
+ * @return {Object}
+ *         Fixed event object.
+ */
+function fixEvent(event) {
+
+  function returnTrue() {
+    return true;
+  }
+
+  function returnFalse() {
+    return false;
+  }
+
+  // Test if fixing up is needed
+  // Used to check if !event.stopPropagation instead of isPropagationStopped
+  // But native events return true for stopPropagation, but don't have
+  // other expected methods like isPropagationStopped. Seems to be a problem
+  // with the Javascript Ninja code. So we're just overriding all events now.
+  if (!event || !event.isPropagationStopped) {
+    var old = event || window$1.event;
+
+    event = {};
+    // Clone the old object so that we can modify the values event = {};
+    // IE8 Doesn't like when you mess with native event properties
+    // Firefox returns false for event.hasOwnProperty('type') and other props
+    //  which makes copying more difficult.
+    // TODO: Probably best to create a whitelist of event props
+    for (var key in old) {
+      // Safari 6.0.3 warns you if you try to copy deprecated layerX/Y
+      // Chrome warns you if you try to copy deprecated keyboardEvent.keyLocation
+      // and webkitMovementX/Y
+      if (key !== 'layerX' && key !== 'layerY' && key !== 'keyLocation' && key !== 'webkitMovementX' && key !== 'webkitMovementY') {
+        // Chrome 32+ warns if you try to copy deprecated returnValue, but
+        // we still want to if preventDefault isn't supported (IE8).
+        if (!(key === 'returnValue' && old.preventDefault)) {
+          event[key] = old[key];
+        }
+      }
+    }
+
+    // The event occurred on this element
+    if (!event.target) {
+      event.target = event.srcElement || document;
+    }
+
+    // Handle which other element the event is related to
+    if (!event.relatedTarget) {
+      event.relatedTarget = event.fromElement === event.target ? event.toElement : event.fromElement;
+    }
+
+    // Stop the default browser action
+    event.preventDefault = function () {
+      if (old.preventDefault) {
+        old.preventDefault();
+      }
+      event.returnValue = false;
+      old.returnValue = false;
+      event.defaultPrevented = true;
+    };
+
+    event.defaultPrevented = false;
+
+    // Stop the event from bubbling
+    event.stopPropagation = function () {
+      if (old.stopPropagation) {
+        old.stopPropagation();
+      }
+      event.cancelBubble = true;
+      old.cancelBubble = true;
+      event.isPropagationStopped = returnTrue;
+    };
+
+    event.isPropagationStopped = returnFalse;
+
+    // Stop the event from bubbling and executing other handlers
+    event.stopImmediatePropagation = function () {
+      if (old.stopImmediatePropagation) {
+        old.stopImmediatePropagation();
+      }
+      event.isImmediatePropagationStopped = returnTrue;
+      event.stopPropagation();
+    };
+
+    event.isImmediatePropagationStopped = returnFalse;
+
+    // Handle mouse position
+    if (event.clientX !== null && event.clientX !== undefined) {
+      var doc = document.documentElement;
+      var body = document.body;
+
+      event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0);
+      event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0);
+    }
+
+    // Handle key presses
+    event.which = event.charCode || event.keyCode;
+
+    // Fix button for mouse clicks:
+    // 0 == left; 1 == middle; 2 == right
+    if (event.button !== null && event.button !== undefined) {
+
+      // The following is disabled because it does not pass videojs-standard
+      // and... yikes.
+      /* eslint-disable */
+      event.button = event.button & 1 ? 0 : event.button & 4 ? 1 : event.button & 2 ? 2 : 0;
+      /* eslint-enable */
+    }
+  }
+
+  // Returns fixed-up instance
+  return event;
+}
+
+/**
+ * Whether passive event listeners are supported
+ */
+var _supportsPassive = false;
+
+(function () {
+  try {
+    var opts = Object.defineProperty({}, 'passive', {
+      get: function get() {
+        _supportsPassive = true;
+      }
+    });
+
+    window$1.addEventListener('test', null, opts);
+    window$1.removeEventListener('test', null, opts);
+  } catch (e) {
+    // disregard
+  }
+})();
+
+/**
+ * Touch events Chrome expects to be passive
+ */
+var passiveEvents = ['touchstart', 'touchmove'];
+
+/**
+ * Add an event listener to element
+ * It stores the handler function in a separate cache object
+ * and adds a generic handler to the element's event,
+ * along with a unique id (guid) to the element.
+ *
+ * @param {Element|Object} elem
+ *        Element or object to bind listeners to
+ *
+ * @param {string|string[]} type
+ *        Type of event to bind to.
+ *
+ * @param {EventTarget~EventListener} fn
+ *        Event listener.
+ */
+function on(elem, type, fn) {
+  if (Array.isArray(type)) {
+    return _handleMultipleEvents(on, elem, type, fn);
+  }
+
+  var data = getData(elem);
+
+  // We need a place to store all our handler data
+  if (!data.handlers) {
+    data.handlers = {};
+  }
+
+  if (!data.handlers[type]) {
+    data.handlers[type] = [];
+  }
+
+  if (!fn.guid) {
+    fn.guid = newGUID();
+  }
+
+  data.handlers[type].push(fn);
+
+  if (!data.dispatcher) {
+    data.disabled = false;
+
+    data.dispatcher = function (event, hash) {
+
+      if (data.disabled) {
+        return;
+      }
+
+      event = fixEvent(event);
+
+      var handlers = data.handlers[event.type];
+
+      if (handlers) {
+        // Copy handlers so if handlers are added/removed during the process it doesn't throw everything off.
+        var handlersCopy = handlers.slice(0);
+
+        for (var m = 0, n = handlersCopy.length; m < n; m++) {
+          if (event.isImmediatePropagationStopped()) {
+            break;
+          } else {
+            try {
+              handlersCopy[m].call(elem, event, hash);
+            } catch (e) {
+              log$1.error(e);
+            }
+          }
+        }
+      }
+    };
+  }
+
+  if (data.handlers[type].length === 1) {
+    if (elem.addEventListener) {
+      var options = false;
+
+      if (_supportsPassive && passiveEvents.indexOf(type) > -1) {
+        options = { passive: true };
+      }
+      elem.addEventListener(type, data.dispatcher, options);
+    } else if (elem.attachEvent) {
+      elem.attachEvent('on' + type, data.dispatcher);
+    }
+  }
+}
+
+/**
+ * Removes event listeners from an element
+ *
+ * @param {Element|Object} elem
+ *        Object to remove listeners from.
+ *
+ * @param {string|string[]} [type]
+ *        Type of listener to remove. Don't include to remove all events from element.
+ *
+ * @param {EventTarget~EventListener} [fn]
+ *        Specific listener to remove. Don't include to remove listeners for an event
+ *        type.
+ */
+function off(elem, type, fn) {
+  // Don't want to add a cache object through getElData if not needed
+  if (!hasData(elem)) {
+    return;
+  }
+
+  var data = getData(elem);
+
+  // If no events exist, nothing to unbind
+  if (!data.handlers) {
+    return;
+  }
+
+  if (Array.isArray(type)) {
+    return _handleMultipleEvents(off, elem, type, fn);
+  }
+
+  // Utility function
+  var removeType = function removeType(el, t) {
+    data.handlers[t] = [];
+    _cleanUpEvents(el, t);
+  };
+
+  // Are we removing all bound events?
+  if (type === undefined) {
+    for (var t in data.handlers) {
+      if (Object.prototype.hasOwnProperty.call(data.handlers || {}, t)) {
+        removeType(elem, t);
+      }
+    }
+    return;
+  }
+
+  var handlers = data.handlers[type];
+
+  // If no handlers exist, nothing to unbind
+  if (!handlers) {
+    return;
+  }
+
+  // If no listener was provided, remove all listeners for type
+  if (!fn) {
+    removeType(elem, type);
+    return;
+  }
+
+  // We're only removing a single handler
+  if (fn.guid) {
+    for (var n = 0; n < handlers.length; n++) {
+      if (handlers[n].guid === fn.guid) {
+        handlers.splice(n--, 1);
+      }
+    }
+  }
+
+  _cleanUpEvents(elem, type);
+}
+
+/**
+ * Trigger an event for an element
+ *
+ * @param {Element|Object} elem
+ *        Element to trigger an event on
+ *
+ * @param {EventTarget~Event|string} event
+ *        A string (the type) or an event object with a type attribute
+ *
+ * @param {Object} [hash]
+ *        data hash to pass along with the event
+ *
+ * @return {boolean|undefined}
+ *         - Returns the opposite of `defaultPrevented` if default was prevented
+ *         - Otherwise returns undefined
+ */
+function trigger(elem, event, hash) {
+  // Fetches element data and a reference to the parent (for bubbling).
+  // Don't want to add a data object to cache for every parent,
+  // so checking hasElData first.
+  var elemData = hasData(elem) ? getData(elem) : {};
+  var parent = elem.parentNode || elem.ownerDocument;
+  // type = event.type || event,
+  // handler;
+
+  // If an event name was passed as a string, creates an event out of it
+  if (typeof event === 'string') {
+    event = { type: event, target: elem };
+  } else if (!event.target) {
+    event.target = elem;
+  }
+
+  // Normalizes the event properties.
+  event = fixEvent(event);
+
+  // If the passed element has a dispatcher, executes the established handlers.
+  if (elemData.dispatcher) {
+    elemData.dispatcher.call(elem, event, hash);
+  }
+
+  // Unless explicitly stopped or the event does not bubble (e.g. media events)
+  // recursively calls this function to bubble the event up the DOM.
+  if (parent && !event.isPropagationStopped() && event.bubbles === true) {
+    trigger.call(null, parent, event, hash);
+
+    // If at the top of the DOM, triggers the default action unless disabled.
+  } else if (!parent && !event.defaultPrevented) {
+    var targetData = getData(event.target);
+
+    // Checks if the target has a default action for this event.
+    if (event.target[event.type]) {
+      // Temporarily disables event dispatching on the target as we have already executed the handler.
+      targetData.disabled = true;
+      // Executes the default action.
+      if (typeof event.target[event.type] === 'function') {
+        event.target[event.type]();
+      }
+      // Re-enables event dispatching.
+      targetData.disabled = false;
+    }
+  }
+
+  // Inform the triggerer if the default was prevented by returning false
+  return !event.defaultPrevented;
+}
+
+/**
+ * Trigger a listener only once for an event
+ *
+ * @param {Element|Object} elem
+ *        Element or object to bind to.
+ *
+ * @param {string|string[]} type
+ *        Name/type of event
+ *
+ * @param {Event~EventListener} fn
+ *        Event Listener function
+ */
+function one(elem, type, fn) {
+  if (Array.isArray(type)) {
+    return _handleMultipleEvents(one, elem, type, fn);
+  }
+  var func = function func() {
+    off(elem, type, func);
+    fn.apply(this, arguments);
+  };
+
+  // copy the guid to the new function so it can removed using the original function's ID
+  func.guid = fn.guid = fn.guid || newGUID();
+  on(elem, type, func);
+}
+
+var Events = /*#__PURE__*/Object.freeze({
+  fixEvent: fixEvent,
+  on: on,
+  off: off,
+  trigger: trigger,
+  one: one
+});
+
+/**
+ * @file setup.js - Functions for setting up a player without
+ * user interaction based on the data-setup `attribute` of the video tag.
+ *
+ * @module setup
+ */
+
+var _windowLoaded = false;
+var videojs = void 0;
+
+/**
+ * Set up any tags that have a data-setup `attribute` when the player is started.
+ */
+var autoSetup = function autoSetup() {
+
+  // Protect against breakage in non-browser environments and check global autoSetup option.
+  if (!isReal() || videojs.options.autoSetup === false) {
+    return;
+  }
+
+  var vids = Array.prototype.slice.call(document.getElementsByTagName('video'));
+  var audios = Array.prototype.slice.call(document.getElementsByTagName('audio'));
+  var divs = Array.prototype.slice.call(document.getElementsByTagName('video-js'));
+  var mediaEls = vids.concat(audios, divs);
+
+  // Check if any media elements exist
+  if (mediaEls && mediaEls.length > 0) {
+
+    for (var i = 0, e = mediaEls.length; i < e; i++) {
+      var mediaEl = mediaEls[i];
+
+      // Check if element exists, has getAttribute func.
+      if (mediaEl && mediaEl.getAttribute) {
+
+        // Make sure this player hasn't already been set up.
+        if (mediaEl.player === undefined) {
+          var options = mediaEl.getAttribute('data-setup');
+
+          // Check if data-setup attr exists.
+          // We only auto-setup if they've added the data-setup attr.
+          if (options !== null) {
+            // Create new video.js instance.
+            videojs(mediaEl);
+          }
+        }
+
+        // If getAttribute isn't defined, we need to wait for the DOM.
+      } else {
+        autoSetupTimeout(1);
+        break;
+      }
+    }
+
+    // No videos were found, so keep looping unless page is finished loading.
+  } else if (!_windowLoaded) {
+    autoSetupTimeout(1);
+  }
+};
+
+/**
+ * Wait until the page is loaded before running autoSetup. This will be called in
+ * autoSetup if `hasLoaded` returns false.
+ *
+ * @param {number} wait
+ *        How long to wait in ms
+ *
+ * @param {module:videojs} [vjs]
+ *        The videojs library function
+ */
+function autoSetupTimeout(wait, vjs) {
+  if (vjs) {
+    videojs = vjs;
+  }
+
+  window$1.setTimeout(autoSetup, wait);
+}
+
+if (isReal() && document.readyState === 'complete') {
+  _windowLoaded = true;
+} else {
+  /**
+   * Listen for the load event on window, and set _windowLoaded to true.
+   *
+   * @listens load
+   */
+  one(window$1, 'load', function () {
+    _windowLoaded = true;
+  });
+}
+
+/**
+ * @file stylesheet.js
+ * @module stylesheet
+ */
+
+/**
+ * Create a DOM syle element given a className for it.
+ *
+ * @param {string} className
+ *        The className to add to the created style element.
+ *
+ * @return {Element}
+ *         The element that was created.
+ */
+var createStyleElement = function createStyleElement(className) {
+  var style = document.createElement('style');
+
+  style.className = className;
+
+  return style;
+};
+
+/**
+ * Add text to a DOM element.
+ *
+ * @param {Element} el
+ *        The Element to add text content to.
+ *
+ * @param {string} content
+ *        The text to add to the element.
+ */
+var setTextContent = function setTextContent(el, content) {
+  if (el.styleSheet) {
+    el.styleSheet.cssText = content;
+  } else {
+    el.textContent = content;
+  }
+};
+
+/**
+ * @file fn.js
+ * @module fn
+ */
+
+/**
+ * Bind (a.k.a proxy or Context). A simple method for changing the context of a function
+ * It also stores a unique id on the function so it can be easily removed from events.
+ *
+ * @param {Mixed} context
+ *        The object to bind as scope.
+ *
+ * @param {Function} fn
+ *        The function to be bound to a scope.
+ *
+ * @param {number} [uid]
+ *        An optional unique ID for the function to be set
+ *
+ * @return {Function}
+ *         The new function that will be bound into the context given
+ */
+var bind = function bind(context, fn, uid) {
+  // Make sure the function has a unique ID
+  if (!fn.guid) {
+    fn.guid = newGUID();
+  }
+
+  // Create the new function that changes the context
+  var bound = function bound() {
+    return fn.apply(context, arguments);
+  };
+
+  // Allow for the ability to individualize this function
+  // Needed in the case where multiple objects might share the same prototype
+  // IF both items add an event listener with the same function, then you try to remove just one
+  // it will remove both because they both have the same guid.
+  // when using this, you need to use the bind method when you remove the listener as well.
+  // currently used in text tracks
+  bound.guid = uid ? uid + '_' + fn.guid : fn.guid;
+
+  return bound;
+};
+
+/**
+ * Wraps the given function, `fn`, with a new function that only invokes `fn`
+ * at most once per every `wait` milliseconds.
+ *
+ * @param  {Function} fn
+ *         The function to be throttled.
+ *
+ * @param  {Number}   wait
+ *         The number of milliseconds by which to throttle.
+ *
+ * @return {Function}
+ */
+var throttle = function throttle(fn, wait) {
+  var last = Date.now();
+
+  var throttled = function throttled() {
+    var now = Date.now();
+
+    if (now - last >= wait) {
+      fn.apply(undefined, arguments);
+      last = now;
+    }
+  };
+
+  return throttled;
+};
+
+/**
+ * Creates a debounced function that delays invoking `func` until after `wait`
+ * milliseconds have elapsed since the last time the debounced function was
+ * invoked.
+ *
+ * Inspired by lodash and underscore implementations.
+ *
+ * @param  {Function} func
+ *         The function to wrap with debounce behavior.
+ *
+ * @param  {number} wait
+ *         The number of milliseconds to wait after the last invocation.
+ *
+ * @param  {boolean} [immediate]
+ *         Whether or not to invoke the function immediately upon creation.
+ *
+ * @param  {Object} [context=window]
+ *         The "context" in which the debounced function should debounce. For
+ *         example, if this function should be tied to a Video.js player,
+ *         the player can be passed here. Alternatively, defaults to the
+ *         global `window` object.
+ *
+ * @return {Function}
+ *         A debounced function.
+ */
+var debounce = function debounce(func, wait, immediate) {
+  var context = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : window$1;
+
+  var timeout = void 0;
+
+  var cancel = function cancel() {
+    context.clearTimeout(timeout);
+    timeout = null;
+  };
+
+  /* eslint-disable consistent-this */
+  var debounced = function debounced() {
+    var self = this;
+    var args = arguments;
+
+    var _later = function later() {
+      timeout = null;
+      _later = null;
+      if (!immediate) {
+        func.apply(self, args);
+      }
+    };
+
+    if (!timeout && immediate) {
+      func.apply(self, args);
+    }
+
+    context.clearTimeout(timeout);
+    timeout = context.setTimeout(_later, wait);
+  };
+  /* eslint-enable consistent-this */
+
+  debounced.cancel = cancel;
+
+  return debounced;
+};
+
+/**
+ * @file src/js/event-target.js
+ */
+
+/**
+ * `EventTarget` is a class that can have the same API as the DOM `EventTarget`. It
+ * adds shorthand functions that wrap around lengthy functions. For example:
+ * the `on` function is a wrapper around `addEventListener`.
+ *
+ * @see [EventTarget Spec]{@link https://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-EventTarget}
+ * @class EventTarget
+ */
+var EventTarget = function EventTarget() {};
+
+/**
+ * A Custom DOM event.
+ *
+ * @typedef {Object} EventTarget~Event
+ * @see [Properties]{@link https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent}
+ */
+
+/**
+ * All event listeners should follow the following format.
+ *
+ * @callback EventTarget~EventListener
+ * @this {EventTarget}
+ *
+ * @param {EventTarget~Event} event
+ *        the event that triggered this function
+ *
+ * @param {Object} [hash]
+ *        hash of data sent during the event
+ */
+
+/**
+ * An object containing event names as keys and booleans as values.
+ *
+ * > NOTE: If an event name is set to a true value here {@link EventTarget#trigger}
+ *         will have extra functionality. See that function for more information.
+ *
+ * @property EventTarget.prototype.allowedEvents_
+ * @private
+ */
+EventTarget.prototype.allowedEvents_ = {};
+
+/**
+ * Adds an `event listener` to an instance of an `EventTarget`. An `event listener` is a
+ * function that will get called when an event with a certain name gets triggered.
+ *
+ * @param {string|string[]} type
+ *        An event name or an array of event names.
+ *
+ * @param {EventTarget~EventListener} fn
+ *        The function to call with `EventTarget`s
+ */
+EventTarget.prototype.on = function (type, fn) {
+  // Remove the addEventListener alias before calling Events.on
+  // so we don't get into an infinite type loop
+  var ael = this.addEventListener;
+
+  this.addEventListener = function () {};
+  on(this, type, fn);
+  this.addEventListener = ael;
+};
+
+/**
+ * An alias of {@link EventTarget#on}. Allows `EventTarget` to mimic
+ * the standard DOM API.
+ *
+ * @function
+ * @see {@link EventTarget#on}
+ */
+EventTarget.prototype.addEventListener = EventTarget.prototype.on;
+
+/**
+ * Removes an `event listener` for a specific event from an instance of `EventTarget`.
+ * This makes it so that the `event listener` will no longer get called when the
+ * named event happens.
+ *
+ * @param {string|string[]} type
+ *        An event name or an array of event names.
+ *
+ * @param {EventTarget~EventListener} fn
+ *        The function to remove.
+ */
+EventTarget.prototype.off = function (type, fn) {
+  off(this, type, fn);
+};
+
+/**
+ * An alias of {@link EventTarget#off}. Allows `EventTarget` to mimic
+ * the standard DOM API.
+ *
+ * @function
+ * @see {@link EventTarget#off}
+ */
+EventTarget.prototype.removeEventListener = EventTarget.prototype.off;
+
+/**
+ * This function will add an `event listener` that gets triggered only once. After the
+ * first trigger it will get removed. This is like adding an `event listener`
+ * with {@link EventTarget#on} that calls {@link EventTarget#off} on itself.
+ *
+ * @param {string|string[]} type
+ *        An event name or an array of event names.
+ *
+ * @param {EventTarget~EventListener} fn
+ *        The function to be called once for each event name.
+ */
+EventTarget.prototype.one = function (type, fn) {
+  // Remove the addEventListener alialing Events.on
+  // so we don't get into an infinite type loop
+  var ael = this.addEventListener;
+
+  this.addEventListener = function () {};
+  one(this, type, fn);
+  this.addEventListener = ael;
+};
+
+/**
+ * This function causes an event to happen. This will then cause any `event listeners`
+ * that are waiting for that event, to get called. If there are no `event listeners`
+ * for an event then nothing will happen.
+ *
+ * If the name of the `Event` that is being triggered is in `EventTarget.allowedEvents_`.
+ * Trigger will also call the `on` + `uppercaseEventName` function.
+ *
+ * Example:
+ * 'click' is in `EventTarget.allowedEvents_`, so, trigger will attempt to call
+ * `onClick` if it exists.
+ *
+ * @param {string|EventTarget~Event|Object} event
+ *        The name of the event, an `Event`, or an object with a key of type set to
+ *        an event name.
+ */
+EventTarget.prototype.trigger = function (event) {
+  var type = event.type || event;
+
+  if (typeof event === 'string') {
+    event = { type: type };
+  }
+  event = fixEvent(event);
+
+  if (this.allowedEvents_[type] && this['on' + type]) {
+    this['on' + type](event);
+  }
+
+  trigger(this, event);
+};
+
+/**
+ * An alias of {@link EventTarget#trigger}. Allows `EventTarget` to mimic
+ * the standard DOM API.
+ *
+ * @function
+ * @see {@link EventTarget#trigger}
+ */
+EventTarget.prototype.dispatchEvent = EventTarget.prototype.trigger;
+
+var EVENT_MAP = void 0;
+
+EventTarget.prototype.queueTrigger = function (event) {
+  var _this = this;
+
+  // only set up EVENT_MAP if it'll be used
+  if (!EVENT_MAP) {
+    EVENT_MAP = new Map();
+  }
+
+  var type = event.type || event;
+  var map = EVENT_MAP.get(this);
+
+  if (!map) {
+    map = new Map();
+    EVENT_MAP.set(this, map);
+  }
+
+  var oldTimeout = map.get(type);
+
+  map.delete(type);
+  window$1.clearTimeout(oldTimeout);
+
+  var timeout = window$1.setTimeout(function () {
+    // if we cleared out all timeouts for the current target, delete its map
+    if (map.size === 0) {
+      map = null;
+      EVENT_MAP.delete(_this);
+    }
+
+    _this.trigger(event);
+  }, 0);
+
+  map.set(type, timeout);
+};
+
+/**
+ * @file mixins/evented.js
+ * @module evented
+ */
+
+/**
+ * Returns whether or not an object has had the evented mixin applied.
+ *
+ * @param  {Object} object
+ *         An object to test.
+ *
+ * @return {boolean}
+ *         Whether or not the object appears to be evented.
+ */
+var isEvented = function isEvented(object) {
+  return object instanceof EventTarget || !!object.eventBusEl_ && ['on', 'one', 'off', 'trigger'].every(function (k) {
+    return typeof object[k] === 'function';
+  });
+};
+
+/**
+ * Whether a value is a valid event type - non-empty string or array.
+ *
+ * @private
+ * @param  {string|Array} type
+ *         The type value to test.
+ *
+ * @return {boolean}
+ *         Whether or not the type is a valid event type.
+ */
+var isValidEventType = function isValidEventType(type) {
+  return (
+    // The regex here verifies that the `type` contains at least one non-
+    // whitespace character.
+    typeof type === 'string' && /\S/.test(type) || Array.isArray(type) && !!type.length
+  );
+};
+
+/**
+ * Validates a value to determine if it is a valid event target. Throws if not.
+ *
+ * @private
+ * @throws {Error}
+ *         If the target does not appear to be a valid event target.
+ *
+ * @param  {Object} target
+ *         The object to test.
+ */
+var validateTarget = function validateTarget(target) {
+  if (!target.nodeName && !isEvented(target)) {
+    throw new Error('Invalid target; must be a DOM node or evented object.');
+  }
+};
+
+/**
+ * Validates a value to determine if it is a valid event target. Throws if not.
+ *
+ * @private
+ * @throws {Error}
+ *         If the type does not appear to be a valid event type.
+ *
+ * @param  {string|Array} type
+ *         The type to test.
+ */
+var validateEventType = function validateEventType(type) {
+  if (!isValidEventType(type)) {
+    throw new Error('Invalid event type; must be a non-empty string or array.');
+  }
+};
+
+/**
+ * Validates a value to determine if it is a valid listener. Throws if not.
+ *
+ * @private
+ * @throws {Error}
+ *         If the listener is not a function.
+ *
+ * @param  {Function} listener
+ *         The listener to test.
+ */
+var validateListener = function validateListener(listener) {
+  if (typeof listener !== 'function') {
+    throw new Error('Invalid listener; must be a function.');
+  }
+};
+
+/**
+ * Takes an array of arguments given to `on()` or `one()`, validates them, and
+ * normalizes them into an object.
+ *
+ * @private
+ * @param  {Object} self
+ *         The evented object on which `on()` or `one()` was called. This
+ *         object will be bound as the `this` value for the listener.
+ *
+ * @param  {Array} args
+ *         An array of arguments passed to `on()` or `one()`.
+ *
+ * @return {Object}
+ *         An object containing useful values for `on()` or `one()` calls.
+ */
+var normalizeListenArgs = function normalizeListenArgs(self, args) {
+
+  // If the number of arguments is less than 3, the target is always the
+  // evented object itself.
+  var isTargetingSelf = args.length < 3 || args[0] === self || args[0] === self.eventBusEl_;
+  var target = void 0;
+  var type = void 0;
+  var listener = void 0;
+
+  if (isTargetingSelf) {
+    target = self.eventBusEl_;
+
+    // Deal with cases where we got 3 arguments, but we are still listening to
+    // the evented object itself.
+    if (args.length >= 3) {
+      args.shift();
+    }
+
+    type = args[0];
+    listener = args[1];
+  } else {
+    target = args[0];
+    type = args[1];
+    listener = args[2];
+  }
+
+  validateTarget(target);
+  validateEventType(type);
+  validateListener(listener);
+
+  listener = bind(self, listener);
+
+  return { isTargetingSelf: isTargetingSelf, target: target, type: type, listener: listener };
+};
+
+/**
+ * Adds the listener to the event type(s) on the target, normalizing for
+ * the type of target.
+ *
+ * @private
+ * @param  {Element|Object} target
+ *         A DOM node or evented object.
+ *
+ * @param  {string} method
+ *         The event binding method to use ("on" or "one").
+ *
+ * @param  {string|Array} type
+ *         One or more event type(s).
+ *
+ * @param  {Function} listener
+ *         A listener function.
+ */
+var listen = function listen(target, method, type, listener) {
+  validateTarget(target);
+
+  if (target.nodeName) {
+    Events[method](target, type, listener);
+  } else {
+    target[method](type, listener);
+  }
+};
+
+/**
+ * Contains methods that provide event capabilities to an object which is passed
+ * to {@link module:evented|evented}.
+ *
+ * @mixin EventedMixin
+ */
+var EventedMixin = {
+
+  /**
+   * Add a listener to an event (or events) on this object or another evented
+   * object.
+   *
+   * @param  {string|Array|Element|Object} targetOrType
+   *         If this is a string or array, it represents the event type(s)
+   *         that will trigger the listener.
+   *
+   *         Another evented object can be passed here instead, which will
+   *         cause the listener to listen for events on _that_ object.
+   *
+   *         In either case, the listener's `this` value will be bound to
+   *         this object.
+   *
+   * @param  {string|Array|Function} typeOrListener
+   *         If the first argument was a string or array, this should be the
+   *         listener function. Otherwise, this is a string or array of event
+   *         type(s).
+   *
+   * @param  {Function} [listener]
+   *         If the first argument was another evented object, this will be
+   *         the listener function.
+   */
+  on: function on$$1() {
+    var _this = this;
+
+    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+      args[_key] = arguments[_key];
+    }
+
+    var _normalizeListenArgs = normalizeListenArgs(this, args),
+        isTargetingSelf = _normalizeListenArgs.isTargetingSelf,
+        target = _normalizeListenArgs.target,
+        type = _normalizeListenArgs.type,
+        listener = _normalizeListenArgs.listener;
+
+    listen(target, 'on', type, listener);
+
+    // If this object is listening to another evented object.
+    if (!isTargetingSelf) {
+
+      // If this object is disposed, remove the listener.
+      var removeListenerOnDispose = function removeListenerOnDispose() {
+        return _this.off(target, type, listener);
+      };
+
+      // Use the same function ID as the listener so we can remove it later it
+      // using the ID of the original listener.
+      removeListenerOnDispose.guid = listener.guid;
+
+      // Add a listener to the target's dispose event as well. This ensures
+      // that if the target is disposed BEFORE this object, we remove the
+      // removal listener that was just added. Otherwise, we create a memory leak.
+      var removeRemoverOnTargetDispose = function removeRemoverOnTargetDispose() {
+        return _this.off('dispose', removeListenerOnDispose);
+      };
+
+      // Use the same function ID as the listener so we can remove it later
+      // it using the ID of the original listener.
+      removeRemoverOnTargetDispose.guid = listener.guid;
+
+      listen(this, 'on', 'dispose', removeListenerOnDispose);
+      listen(target, 'on', 'dispose', removeRemoverOnTargetDispose);
+    }
+  },
+
+
+  /**
+   * Add a listener to an event (or events) on this object or another evented
+   * object. The listener will only be called once and then removed.
+   *
+   * @param  {string|Array|Element|Object} targetOrType
+   *         If this is a string or array, it represents the event type(s)
+   *         that will trigger the listener.
+   *
+   *         Another evented object can be passed here instead, which will
+   *         cause the listener to listen for events on _that_ object.
+   *
+   *         In either case, the listener's `this` value will be bound to
+   *         this object.
+   *
+   * @param  {string|Array|Function} typeOrListener
+   *         If the first argument was a string or array, this should be the
+   *         listener function. Otherwise, this is a string or array of event
+   *         type(s).
+   *
+   * @param  {Function} [listener]
+   *         If the first argument was another evented object, this will be
+   *         the listener function.
+   */
+  one: function one$$1() {
+    var _this2 = this;
+
+    for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+      args[_key2] = arguments[_key2];
+    }
+
+    var _normalizeListenArgs2 = normalizeListenArgs(this, args),
+        isTargetingSelf = _normalizeListenArgs2.isTargetingSelf,
+        target = _normalizeListenArgs2.target,
+        type = _normalizeListenArgs2.type,
+        listener = _normalizeListenArgs2.listener;
+
+    // Targeting this evented object.
+
+
+    if (isTargetingSelf) {
+      listen(target, 'one', type, listener);
+
+      // Targeting another evented object.
+    } else {
+      var wrapper = function wrapper() {
+        for (var _len3 = arguments.length, largs = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
+          largs[_key3] = arguments[_key3];
+        }
+
+        _this2.off(target, type, wrapper);
+        listener.apply(null, largs);
+      };
+
+      // Use the same function ID as the listener so we can remove it later
+      // it using the ID of the original listener.
+      wrapper.guid = listener.guid;
+      listen(target, 'one', type, wrapper);
+    }
+  },
+
+
+  /**
+   * Removes listener(s) from event(s) on an evented object.
+   *
+   * @param  {string|Array|Element|Object} [targetOrType]
+   *         If this is a string or array, it represents the event type(s).
+   *
+   *         Another evented object can be passed here instead, in which case
+   *         ALL 3 arguments are _required_.
+   *
+   * @param  {string|Array|Function} [typeOrListener]
+   *         If the first argument was a string or array, this may be the
+   *         listener function. Otherwise, this is a string or array of event
+   *         type(s).
+   *
+   * @param  {Function} [listener]
+   *         If the first argument was another evented object, this will be
+   *         the listener function; otherwise, _all_ listeners bound to the
+   *         event type(s) will be removed.
+   */
+  off: function off$$1(targetOrType, typeOrListener, listener) {
+
+    // Targeting this evented object.
+    if (!targetOrType || isValidEventType(targetOrType)) {
+      off(this.eventBusEl_, targetOrType, typeOrListener);
+
+      // Targeting another evented object.
+    } else {
+      var target = targetOrType;
+      var type = typeOrListener;
+
+      // Fail fast and in a meaningful way!
+      validateTarget(target);
+      validateEventType(type);
+      validateListener(listener);
+
+      // Ensure there's at least a guid, even if the function hasn't been used
+      listener = bind(this, listener);
+
+      // Remove the dispose listener on this evented object, which was given
+      // the same guid as the event listener in on().
+      this.off('dispose', listener);
+
+      if (target.nodeName) {
+        off(target, type, listener);
+        off(target, 'dispose', listener);
+      } else if (isEvented(target)) {
+        target.off(type, listener);
+        target.off('dispose', listener);
+      }
+    }
+  },
+
+
+  /**
+   * Fire an event on this evented object, causing its listeners to be called.
+   *
+   * @param   {string|Object} event
+   *          An event type or an object with a type property.
+   *
+   * @param   {Object} [hash]
+   *          An additional object to pass along to listeners.
+   *
+   * @returns {boolean}
+   *          Whether or not the default behavior was prevented.
+   */
+  trigger: function trigger$$1(event, hash) {
+    return trigger(this.eventBusEl_, event, hash);
+  }
+};
+
+/**
+ * Applies {@link module:evented~EventedMixin|EventedMixin} to a target object.
+ *
+ * @param  {Object} target
+ *         The object to which to add event methods.
+ *
+ * @param  {Object} [options={}]
+ *         Options for customizing the mixin behavior.
+ *
+ * @param  {String} [options.eventBusKey]
+ *         By default, adds a `eventBusEl_` DOM element to the target object,
+ *         which is used as an event bus. If the target object already has a
+ *         DOM element that should be used, pass its key here.
+ *
+ * @return {Object}
+ *         The target object.
+ */
+function evented(target) {
+  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+  var eventBusKey = options.eventBusKey;
+
+  // Set or create the eventBusEl_.
+
+  if (eventBusKey) {
+    if (!target[eventBusKey].nodeName) {
+      throw new Error('The eventBusKey "' + eventBusKey + '" does not refer to an element.');
+    }
+    target.eventBusEl_ = target[eventBusKey];
+  } else {
+    target.eventBusEl_ = createEl('span', { className: 'vjs-event-bus' });
+  }
+
+  assign(target, EventedMixin);
+
+  // When any evented object is disposed, it removes all its listeners.
+  target.on('dispose', function () {
+    target.off();
+    window$1.setTimeout(function () {
+      target.eventBusEl_ = null;
+    }, 0);
+  });
+
+  return target;
+}
+
+/**
+ * @file mixins/stateful.js
+ * @module stateful
+ */
+
+/**
+ * Contains methods that provide statefulness to an object which is passed
+ * to {@link module:stateful}.
+ *
+ * @mixin StatefulMixin
+ */
+var StatefulMixin = {
+
+  /**
+   * A hash containing arbitrary keys and values representing the state of
+   * the object.
+   *
+   * @type {Object}
+   */
+  state: {},
+
+  /**
+   * Set the state of an object by mutating its
+   * {@link module:stateful~StatefulMixin.state|state} object in place.
+   *
+   * @fires   module:stateful~StatefulMixin#statechanged
+   * @param   {Object|Function} stateUpdates
+   *          A new set of properties to shallow-merge into the plugin state.
+   *          Can be a plain object or a function returning a plain object.
+   *
+   * @returns {Object|undefined}
+   *          An object containing changes that occurred. If no changes
+   *          occurred, returns `undefined`.
+   */
+  setState: function setState(stateUpdates) {
+    var _this = this;
+
+    // Support providing the `stateUpdates` state as a function.
+    if (typeof stateUpdates === 'function') {
+      stateUpdates = stateUpdates();
+    }
+
+    var changes = void 0;
+
+    each(stateUpdates, function (value, key) {
+
+      // Record the change if the value is different from what's in the
+      // current state.
+      if (_this.state[key] !== value) {
+        changes = changes || {};
+        changes[key] = {
+          from: _this.state[key],
+          to: value
+        };
+      }
+
+      _this.state[key] = value;
+    });
+
+    // Only trigger "statechange" if there were changes AND we have a trigger
+    // function. This allows us to not require that the target object be an
+    // evented object.
+    if (changes && isEvented(this)) {
+
+      /**
+       * An event triggered on an object that is both
+       * {@link module:stateful|stateful} and {@link module:evented|evented}
+       * indicating that its state has changed.
+       *
+       * @event    module:stateful~StatefulMixin#statechanged
+       * @type     {Object}
+       * @property {Object} changes
+       *           A hash containing the properties that were changed and
+       *           the values they were changed `from` and `to`.
+       */
+      this.trigger({
+        changes: changes,
+        type: 'statechanged'
+      });
+    }
+
+    return changes;
+  }
+};
+
+/**
+ * Applies {@link module:stateful~StatefulMixin|StatefulMixin} to a target
+ * object.
+ *
+ * If the target object is {@link module:evented|evented} and has a
+ * `handleStateChanged` method, that method will be automatically bound to the
+ * `statechanged` event on itself.
+ *
+ * @param   {Object} target
+ *          The object to be made stateful.
+ *
+ * @param   {Object} [defaultState]
+ *          A default set of properties to populate the newly-stateful object's
+ *          `state` property.
+ *
+ * @returns {Object}
+ *          Returns the `target`.
+ */
+function stateful(target, defaultState) {
+  assign(target, StatefulMixin);
+
+  // This happens after the mixing-in because we need to replace the `state`
+  // added in that step.
+  target.state = assign({}, target.state, defaultState);
+
+  // Auto-bind the `handleStateChanged` method of the target object if it exists.
+  if (typeof target.handleStateChanged === 'function' && isEvented(target)) {
+    target.on('statechanged', target.handleStateChanged);
+  }
+
+  return target;
+}
+
+/**
+ * @file to-title-case.js
+ * @module to-title-case
+ */
+
+/**
+ * Uppercase the first letter of a string.
+ *
+ * @param {string} string
+ *        String to be uppercased
+ *
+ * @return {string}
+ *         The string with an uppercased first letter
+ */
+function toTitleCase(string) {
+  if (typeof string !== 'string') {
+    return string;
+  }
+
+  return string.charAt(0).toUpperCase() + string.slice(1);
+}
+
+/**
+ * Compares the TitleCase versions of the two strings for equality.
+ *
+ * @param {string} str1
+ *        The first string to compare
+ *
+ * @param {string} str2
+ *        The second string to compare
+ *
+ * @return {boolean}
+ *         Whether the TitleCase versions of the strings are equal
+ */
+function titleCaseEquals(str1, str2) {
+  return toTitleCase(str1) === toTitleCase(str2);
+}
+
+/**
+ * @file merge-options.js
+ * @module merge-options
+ */
+
+/**
+ * Deep-merge one or more options objects, recursively merging **only** plain
+ * object properties.
+ *
+ * @param   {Object[]} sources
+ *          One or more objects to merge into a new object.
+ *
+ * @returns {Object}
+ *          A new object that is the merged result of all sources.
+ */
+function mergeOptions() {
+  var result = {};
+
+  for (var _len = arguments.length, sources = Array(_len), _key = 0; _key < _len; _key++) {
+    sources[_key] = arguments[_key];
+  }
+
+  sources.forEach(function (source) {
+    if (!source) {
+      return;
+    }
+
+    each(source, function (value, key) {
+      if (!isPlain(value)) {
+        result[key] = value;
+        return;
+      }
+
+      if (!isPlain(result[key])) {
+        result[key] = {};
+      }
+
+      result[key] = mergeOptions(result[key], value);
+    });
+  });
+
+  return result;
+}
+
+/**
+ * Player Component - Base class for all UI objects
+ *
+ * @file component.js
+ */
+
+/**
+ * Base class for all UI Components.
+ * Components are UI objects which represent both a javascript object and an element
+ * in the DOM. They can be children of other components, and can have
+ * children themselves.
+ *
+ * Components can also use methods from {@link EventTarget}
+ */
+
+var Component = function () {
+
+  /**
+   * A callback that is called when a component is ready. Does not have any
+   * paramters and any callback value will be ignored.
+   *
+   * @callback Component~ReadyCallback
+   * @this Component
+   */
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   *
+   * @param {Object[]} [options.children]
+   *        An array of children objects to intialize this component with. Children objects have
+   *        a name property that will be used if more than one component of the same type needs to be
+   *        added.
+   *
+   * @param {Component~ReadyCallback} [ready]
+   *        Function that gets called when the `Component` is ready.
+   */
+  function Component(player, options, ready) {
+    classCallCheck(this, Component);
+
+
+    // The component might be the player itself and we can't pass `this` to super
+    if (!player && this.play) {
+      this.player_ = player = this; // eslint-disable-line
+    } else {
+      this.player_ = player;
+    }
+
+    // Make a copy of prototype.options_ to protect against overriding defaults
+    this.options_ = mergeOptions({}, this.options_);
+
+    // Updated options with supplied options
+    options = this.options_ = mergeOptions(this.options_, options);
+
+    // Get ID from options or options element if one is supplied
+    this.id_ = options.id || options.el && options.el.id;
+
+    // If there was no ID from the options, generate one
+    if (!this.id_) {
+      // Don't require the player ID function in the case of mock players
+      var id = player && player.id && player.id() || 'no_player';
+
+      this.id_ = id + '_component_' + newGUID();
+    }
+
+    this.name_ = options.name || null;
+
+    // Create element if one wasn't provided in options
+    if (options.el) {
+      this.el_ = options.el;
+    } else if (options.createEl !== false) {
+      this.el_ = this.createEl();
+    }
+
+    // if evented is anything except false, we want to mixin in evented
+    if (options.evented !== false) {
+      // Make this an evented object and use `el_`, if available, as its event bus
+      evented(this, { eventBusKey: this.el_ ? 'el_' : null });
+    }
+    stateful(this, this.constructor.defaultState);
+
+    this.children_ = [];
+    this.childIndex_ = {};
+    this.childNameIndex_ = {};
+
+    // Add any child components in options
+    if (options.initChildren !== false) {
+      this.initChildren();
+    }
+
+    this.ready(ready);
+    // Don't want to trigger ready here or it will before init is actually
+    // finished for all children that run this constructor
+
+    if (options.reportTouchActivity !== false) {
+      this.enableTouchActivity();
+    }
+  }
+
+  /**
+   * Dispose of the `Component` and all child components.
+   *
+   * @fires Component#dispose
+   */
+
+
+  Component.prototype.dispose = function dispose() {
+
+    /**
+     * Triggered when a `Component` is disposed.
+     *
+     * @event Component#dispose
+     * @type {EventTarget~Event}
+     *
+     * @property {boolean} [bubbles=false]
+     *           set to false so that the close event does not
+     *           bubble up
+     */
+    this.trigger({ type: 'dispose', bubbles: false });
+
+    // Dispose all children.
+    if (this.children_) {
+      for (var i = this.children_.length - 1; i >= 0; i--) {
+        if (this.children_[i].dispose) {
+          this.children_[i].dispose();
+        }
+      }
+    }
+
+    // Delete child references
+    this.children_ = null;
+    this.childIndex_ = null;
+    this.childNameIndex_ = null;
+
+    if (this.el_) {
+      // Remove element from DOM
+      if (this.el_.parentNode) {
+        this.el_.parentNode.removeChild(this.el_);
+      }
+
+      removeData(this.el_);
+      this.el_ = null;
+    }
+
+    // remove reference to the player after disposing of the element
+    this.player_ = null;
+  };
+
+  /**
+   * Return the {@link Player} that the `Component` has attached to.
+   *
+   * @return {Player}
+   *         The player that this `Component` has attached to.
+   */
+
+
+  Component.prototype.player = function player() {
+    return this.player_;
+  };
+
+  /**
+   * Deep merge of options objects with new options.
+   * > Note: When both `obj` and `options` contain properties whose values are objects.
+   *         The two properties get merged using {@link module:mergeOptions}
+   *
+   * @param {Object} obj
+   *        The object that contains new options.
+   *
+   * @return {Object}
+   *         A new object of `this.options_` and `obj` merged together.
+   *
+   * @deprecated since version 5
+   */
+
+
+  Component.prototype.options = function options(obj) {
+    log$1.warn('this.options() has been deprecated and will be moved to the constructor in 6.0');
+
+    if (!obj) {
+      return this.options_;
+    }
+
+    this.options_ = mergeOptions(this.options_, obj);
+    return this.options_;
+  };
+
+  /**
+   * Get the `Component`s DOM element
+   *
+   * @return {Element}
+   *         The DOM element for this `Component`.
+   */
+
+
+  Component.prototype.el = function el() {
+    return this.el_;
+  };
+
+  /**
+   * Create the `Component`s DOM element.
+   *
+   * @param {string} [tagName]
+   *        Element's DOM node type. e.g. 'div'
+   *
+   * @param {Object} [properties]
+   *        An object of properties that should be set.
+   *
+   * @param {Object} [attributes]
+   *        An object of attributes that should be set.
+   *
+   * @return {Element}
+   *         The element that gets created.
+   */
+
+
+  Component.prototype.createEl = function createEl$$1(tagName, properties, attributes) {
+    return createEl(tagName, properties, attributes);
+  };
+
+  /**
+   * Localize a string given the string in english.
+   *
+   * If tokens are provided, it'll try and run a simple token replacement on the provided string.
+   * The tokens it looks for look like `{1}` with the index being 1-indexed into the tokens array.
+   *
+   * If a `defaultValue` is provided, it'll use that over `string`,
+   * if a value isn't found in provided language files.
+   * This is useful if you want to have a descriptive key for token replacement
+   * but have a succinct localized string and not require `en.json` to be included.
+   *
+   * Currently, it is used for the progress bar timing.
+   * ```js
+   * {
+   *   "progress bar timing: currentTime={1} duration={2}": "{1} of {2}"
+   * }
+   * ```
+   * It is then used like so:
+   * ```js
+   * this.localize('progress bar timing: currentTime={1} duration{2}',
+   *               [this.player_.currentTime(), this.player_.duration()],
+   *               '{1} of {2}');
+   * ```
+   *
+   * Which outputs something like: `01:23 of 24:56`.
+   *
+   *
+   * @param {string} string
+   *        The string to localize and the key to lookup in the language files.
+   * @param {string[]} [tokens]
+   *        If the current item has token replacements, provide the tokens here.
+   * @param {string} [defaultValue]
+   *        Defaults to `string`. Can be a default value to use for token replacement
+   *        if the lookup key is needed to be separate.
+   *
+   * @return {string}
+   *         The localized string or if no localization exists the english string.
+   */
+
+
+  Component.prototype.localize = function localize(string, tokens) {
+    var defaultValue = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : string;
+
+    var code = this.player_.language && this.player_.language();
+    var languages = this.player_.languages && this.player_.languages();
+    var language = languages && languages[code];
+    var primaryCode = code && code.split('-')[0];
+    var primaryLang = languages && languages[primaryCode];
+
+    var localizedString = defaultValue;
+
+    if (language && language[string]) {
+      localizedString = language[string];
+    } else if (primaryLang && primaryLang[string]) {
+      localizedString = primaryLang[string];
+    }
+
+    if (tokens) {
+      localizedString = localizedString.replace(/\{(\d+)\}/g, function (match, index) {
+        var value = tokens[index - 1];
+        var ret = value;
+
+        if (typeof value === 'undefined') {
+          ret = match;
+        }
+
+        return ret;
+      });
+    }
+
+    return localizedString;
+  };
+
+  /**
+   * Return the `Component`s DOM element. This is where children get inserted.
+   * This will usually be the the same as the element returned in {@link Component#el}.
+   *
+   * @return {Element}
+   *         The content element for this `Component`.
+   */
+
+
+  Component.prototype.contentEl = function contentEl() {
+    return this.contentEl_ || this.el_;
+  };
+
+  /**
+   * Get this `Component`s ID
+   *
+   * @return {string}
+   *         The id of this `Component`
+   */
+
+
+  Component.prototype.id = function id() {
+    return this.id_;
+  };
+
+  /**
+   * Get the `Component`s name. The name gets used to reference the `Component`
+   * and is set during registration.
+   *
+   * @return {string}
+   *         The name of this `Component`.
+   */
+
+
+  Component.prototype.name = function name() {
+    return this.name_;
+  };
+
+  /**
+   * Get an array of all child components
+   *
+   * @return {Array}
+   *         The children
+   */
+
+
+  Component.prototype.children = function children() {
+    return this.children_;
+  };
+
+  /**
+   * Returns the child `Component` with the given `id`.
+   *
+   * @param {string} id
+   *        The id of the child `Component` to get.
+   *
+   * @return {Component|undefined}
+   *         The child `Component` with the given `id` or undefined.
+   */
+
+
+  Component.prototype.getChildById = function getChildById(id) {
+    return this.childIndex_[id];
+  };
+
+  /**
+   * Returns the child `Component` with the given `name`.
+   *
+   * @param {string} name
+   *        The name of the child `Component` to get.
+   *
+   * @return {Component|undefined}
+   *         The child `Component` with the given `name` or undefined.
+   */
+
+
+  Component.prototype.getChild = function getChild(name) {
+    if (!name) {
+      return;
+    }
+
+    name = toTitleCase(name);
+
+    return this.childNameIndex_[name];
+  };
+
+  /**
+   * Add a child `Component` inside the current `Component`.
+   *
+   *
+   * @param {string|Component} child
+   *        The name or instance of a child to add.
+   *
+   * @param {Object} [options={}]
+   *        The key/value store of options that will get passed to children of
+   *        the child.
+   *
+   * @param {number} [index=this.children_.length]
+   *        The index to attempt to add a child into.
+   *
+   * @return {Component}
+   *         The `Component` that gets added as a child. When using a string the
+   *         `Component` will get created by this process.
+   */
+
+
+  Component.prototype.addChild = function addChild(child) {
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+    var index = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : this.children_.length;
+
+    var component = void 0;
+    var componentName = void 0;
+
+    // If child is a string, create component with options
+    if (typeof child === 'string') {
+      componentName = toTitleCase(child);
+
+      var componentClassName = options.componentClass || componentName;
+
+      // Set name through options
+      options.name = componentName;
+
+      // Create a new object & element for this controls set
+      // If there's no .player_, this is a player
+      var ComponentClass = Component.getComponent(componentClassName);
+
+      if (!ComponentClass) {
+        throw new Error('Component ' + componentClassName + ' does not exist');
+      }
+
+      // data stored directly on the videojs object may be
+      // misidentified as a component to retain
+      // backwards-compatibility with 4.x. check to make sure the
+      // component class can be instantiated.
+      if (typeof ComponentClass !== 'function') {
+        return null;
+      }
+
+      component = new ComponentClass(this.player_ || this, options);
+
+      // child is a component instance
+    } else {
+      component = child;
+    }
+
+    this.children_.splice(index, 0, component);
+
+    if (typeof component.id === 'function') {
+      this.childIndex_[component.id()] = component;
+    }
+
+    // If a name wasn't used to create the component, check if we can use the
+    // name function of the component
+    componentName = componentName || component.name && toTitleCase(component.name());
+
+    if (componentName) {
+      this.childNameIndex_[componentName] = component;
+    }
+
+    // Add the UI object's element to the container div (box)
+    // Having an element is not required
+    if (typeof component.el === 'function' && component.el()) {
+      var childNodes = this.contentEl().children;
+      var refNode = childNodes[index] || null;
+
+      this.contentEl().insertBefore(component.el(), refNode);
+    }
+
+    // Return so it can stored on parent object if desired.
+    return component;
+  };
+
+  /**
+   * Remove a child `Component` from this `Component`s list of children. Also removes
+   * the child `Component`s element from this `Component`s element.
+   *
+   * @param {Component} component
+   *        The child `Component` to remove.
+   */
+
+
+  Component.prototype.removeChild = function removeChild(component) {
+    if (typeof component === 'string') {
+      component = this.getChild(component);
+    }
+
+    if (!component || !this.children_) {
+      return;
+    }
+
+    var childFound = false;
+
+    for (var i = this.children_.length - 1; i >= 0; i--) {
+      if (this.children_[i] === component) {
+        childFound = true;
+        this.children_.splice(i, 1);
+        break;
+      }
+    }
+
+    if (!childFound) {
+      return;
+    }
+
+    this.childIndex_[component.id()] = null;
+    this.childNameIndex_[component.name()] = null;
+
+    var compEl = component.el();
+
+    if (compEl && compEl.parentNode === this.contentEl()) {
+      this.contentEl().removeChild(component.el());
+    }
+  };
+
+  /**
+   * Add and initialize default child `Component`s based upon options.
+   */
+
+
+  Component.prototype.initChildren = function initChildren() {
+    var _this = this;
+
+    var children = this.options_.children;
+
+    if (children) {
+      // `this` is `parent`
+      var parentOptions = this.options_;
+
+      var handleAdd = function handleAdd(child) {
+        var name = child.name;
+        var opts = child.opts;
+
+        // Allow options for children to be set at the parent options
+        // e.g. videojs(id, { controlBar: false });
+        // instead of videojs(id, { children: { controlBar: false });
+        if (parentOptions[name] !== undefined) {
+          opts = parentOptions[name];
+        }
+
+        // Allow for disabling default components
+        // e.g. options['children']['posterImage'] = false
+        if (opts === false) {
+          return;
+        }
+
+        // Allow options to be passed as a simple boolean if no configuration
+        // is necessary.
+        if (opts === true) {
+          opts = {};
+        }
+
+        // We also want to pass the original player options
+        // to each component as well so they don't need to
+        // reach back into the player for options later.
+        opts.playerOptions = _this.options_.playerOptions;
+
+        // Create and add the child component.
+        // Add a direct reference to the child by name on the parent instance.
+        // If two of the same component are used, different names should be supplied
+        // for each
+        var newChild = _this.addChild(name, opts);
+
+        if (newChild) {
+          _this[name] = newChild;
+        }
+      };
+
+      // Allow for an array of children details to passed in the options
+      var workingChildren = void 0;
+      var Tech = Component.getComponent('Tech');
+
+      if (Array.isArray(children)) {
+        workingChildren = children;
+      } else {
+        workingChildren = Object.keys(children);
+      }
+
+      workingChildren
+      // children that are in this.options_ but also in workingChildren  would
+      // give us extra children we do not want. So, we want to filter them out.
+      .concat(Object.keys(this.options_).filter(function (child) {
+        return !workingChildren.some(function (wchild) {
+          if (typeof wchild === 'string') {
+            return child === wchild;
+          }
+          return child === wchild.name;
+        });
+      })).map(function (child) {
+        var name = void 0;
+        var opts = void 0;
+
+        if (typeof child === 'string') {
+          name = child;
+          opts = children[name] || _this.options_[name] || {};
+        } else {
+          name = child.name;
+          opts = child;
+        }
+
+        return { name: name, opts: opts };
+      }).filter(function (child) {
+        // we have to make sure that child.name isn't in the techOrder since
+        // techs are registerd as Components but can't aren't compatible
+        // See https://github.com/videojs/video.js/issues/2772
+        var c = Component.getComponent(child.opts.componentClass || toTitleCase(child.name));
+
+        return c && !Tech.isTech(c);
+      }).forEach(handleAdd);
+    }
+  };
+
+  /**
+   * Builds the default DOM class name. Should be overriden by sub-components.
+   *
+   * @return {string}
+   *         The DOM class name for this object.
+   *
+   * @abstract
+   */
+
+
+  Component.prototype.buildCSSClass = function buildCSSClass() {
+    // Child classes can include a function that does:
+    // return 'CLASS NAME' + this._super();
+    return '';
+  };
+
+  /**
+   * Bind a listener to the component's ready state.
+   * Different from event listeners in that if the ready event has already happened
+   * it will trigger the function immediately.
+   *
+   * @return {Component}
+   *         Returns itself; method can be chained.
+   */
+
+
+  Component.prototype.ready = function ready(fn) {
+    var sync = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+
+    if (!fn) {
+      return;
+    }
+
+    if (!this.isReady_) {
+      this.readyQueue_ = this.readyQueue_ || [];
+      this.readyQueue_.push(fn);
+      return;
+    }
+
+    if (sync) {
+      fn.call(this);
+    } else {
+      // Call the function asynchronously by default for consistency
+      this.setTimeout(fn, 1);
+    }
+  };
+
+  /**
+   * Trigger all the ready listeners for this `Component`.
+   *
+   * @fires Component#ready
+   */
+
+
+  Component.prototype.triggerReady = function triggerReady() {
+    this.isReady_ = true;
+
+    // Ensure ready is triggered asynchronously
+    this.setTimeout(function () {
+      var readyQueue = this.readyQueue_;
+
+      // Reset Ready Queue
+      this.readyQueue_ = [];
+
+      if (readyQueue && readyQueue.length > 0) {
+        readyQueue.forEach(function (fn) {
+          fn.call(this);
+        }, this);
+      }
+
+      // Allow for using event listeners also
+      /**
+       * Triggered when a `Component` is ready.
+       *
+       * @event Component#ready
+       * @type {EventTarget~Event}
+       */
+      this.trigger('ready');
+    }, 1);
+  };
+
+  /**
+   * Find a single DOM element matching a `selector`. This can be within the `Component`s
+   * `contentEl()` or another custom context.
+   *
+   * @param {string} selector
+   *        A valid CSS selector, which will be passed to `querySelector`.
+   *
+   * @param {Element|string} [context=this.contentEl()]
+   *        A DOM element within which to query. Can also be a selector string in
+   *        which case the first matching element will get used as context. If
+   *        missing `this.contentEl()` gets used. If  `this.contentEl()` returns
+   *        nothing it falls back to `document`.
+   *
+   * @return {Element|null}
+   *         the dom element that was found, or null
+   *
+   * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)
+   */
+
+
+  Component.prototype.$ = function $$$1(selector, context) {
+    return $(selector, context || this.contentEl());
+  };
+
+  /**
+   * Finds all DOM element matching a `selector`. This can be within the `Component`s
+   * `contentEl()` or another custom context.
+   *
+   * @param {string} selector
+   *        A valid CSS selector, which will be passed to `querySelectorAll`.
+   *
+   * @param {Element|string} [context=this.contentEl()]
+   *        A DOM element within which to query. Can also be a selector string in
+   *        which case the first matching element will get used as context. If
+   *        missing `this.contentEl()` gets used. If  `this.contentEl()` returns
+   *        nothing it falls back to `document`.
+   *
+   * @return {NodeList}
+   *         a list of dom elements that were found
+   *
+   * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)
+   */
+
+
+  Component.prototype.$$ = function $$$$1(selector, context) {
+    return $$(selector, context || this.contentEl());
+  };
+
+  /**
+   * Check if a component's element has a CSS class name.
+   *
+   * @param {string} classToCheck
+   *        CSS class name to check.
+   *
+   * @return {boolean}
+   *         - True if the `Component` has the class.
+   *         - False if the `Component` does not have the class`
+   */
+
+
+  Component.prototype.hasClass = function hasClass$$1(classToCheck) {
+    return hasClass(this.el_, classToCheck);
+  };
+
+  /**
+   * Add a CSS class name to the `Component`s element.
+   *
+   * @param {string} classToAdd
+   *        CSS class name to add
+   */
+
+
+  Component.prototype.addClass = function addClass$$1(classToAdd) {
+    addClass(this.el_, classToAdd);
+  };
+
+  /**
+   * Remove a CSS class name from the `Component`s element.
+   *
+   * @param {string} classToRemove
+   *        CSS class name to remove
+   */
+
+
+  Component.prototype.removeClass = function removeClass$$1(classToRemove) {
+    removeClass(this.el_, classToRemove);
+  };
+
+  /**
+   * Add or remove a CSS class name from the component's element.
+   * - `classToToggle` gets added when {@link Component#hasClass} would return false.
+   * - `classToToggle` gets removed when {@link Component#hasClass} would return true.
+   *
+   * @param  {string} classToToggle
+   *         The class to add or remove based on (@link Component#hasClass}
+   *
+   * @param  {boolean|Dom~predicate} [predicate]
+   *         An {@link Dom~predicate} function or a boolean
+   */
+
+
+  Component.prototype.toggleClass = function toggleClass$$1(classToToggle, predicate) {
+    toggleClass(this.el_, classToToggle, predicate);
+  };
+
+  /**
+   * Show the `Component`s element if it is hidden by removing the
+   * 'vjs-hidden' class name from it.
+   */
+
+
+  Component.prototype.show = function show() {
+    this.removeClass('vjs-hidden');
+  };
+
+  /**
+   * Hide the `Component`s element if it is currently showing by adding the
+   * 'vjs-hidden` class name to it.
+   */
+
+
+  Component.prototype.hide = function hide() {
+    this.addClass('vjs-hidden');
+  };
+
+  /**
+   * Lock a `Component`s element in its visible state by adding the 'vjs-lock-showing'
+   * class name to it. Used during fadeIn/fadeOut.
+   *
+   * @private
+   */
+
+
+  Component.prototype.lockShowing = function lockShowing() {
+    this.addClass('vjs-lock-showing');
+  };
+
+  /**
+   * Unlock a `Component`s element from its visible state by removing the 'vjs-lock-showing'
+   * class name from it. Used during fadeIn/fadeOut.
+   *
+   * @private
+   */
+
+
+  Component.prototype.unlockShowing = function unlockShowing() {
+    this.removeClass('vjs-lock-showing');
+  };
+
+  /**
+   * Get the value of an attribute on the `Component`s element.
+   *
+   * @param {string} attribute
+   *        Name of the attribute to get the value from.
+   *
+   * @return {string|null}
+   *         - The value of the attribute that was asked for.
+   *         - Can be an empty string on some browsers if the attribute does not exist
+   *           or has no value
+   *         - Most browsers will return null if the attibute does not exist or has
+   *           no value.
+   *
+   * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/getAttribute}
+   */
+
+
+  Component.prototype.getAttribute = function getAttribute$$1(attribute) {
+    return getAttribute(this.el_, attribute);
+  };
+
+  /**
+   * Set the value of an attribute on the `Component`'s element
+   *
+   * @param {string} attribute
+   *        Name of the attribute to set.
+   *
+   * @param {string} value
+   *        Value to set the attribute to.
+   *
+   * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/setAttribute}
+   */
+
+
+  Component.prototype.setAttribute = function setAttribute$$1(attribute, value) {
+    setAttribute(this.el_, attribute, value);
+  };
+
+  /**
+   * Remove an attribute from the `Component`s element.
+   *
+   * @param {string} attribute
+   *        Name of the attribute to remove.
+   *
+   * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/removeAttribute}
+   */
+
+
+  Component.prototype.removeAttribute = function removeAttribute$$1(attribute) {
+    removeAttribute(this.el_, attribute);
+  };
+
+  /**
+   * Get or set the width of the component based upon the CSS styles.
+   * See {@link Component#dimension} for more detailed information.
+   *
+   * @param {number|string} [num]
+   *        The width that you want to set postfixed with '%', 'px' or nothing.
+   *
+   * @param {boolean} [skipListeners]
+   *        Skip the componentresize event trigger
+   *
+   * @return {number|string}
+   *         The width when getting, zero if there is no width. Can be a string
+   *           postpixed with '%' or 'px'.
+   */
+
+
+  Component.prototype.width = function width(num, skipListeners) {
+    return this.dimension('width', num, skipListeners);
+  };
+
+  /**
+   * Get or set the height of the component based upon the CSS styles.
+   * See {@link Component#dimension} for more detailed information.
+   *
+   * @param {number|string} [num]
+   *        The height that you want to set postfixed with '%', 'px' or nothing.
+   *
+   * @param {boolean} [skipListeners]
+   *        Skip the componentresize event trigger
+   *
+   * @return {number|string}
+   *         The width when getting, zero if there is no width. Can be a string
+   *         postpixed with '%' or 'px'.
+   */
+
+
+  Component.prototype.height = function height(num, skipListeners) {
+    return this.dimension('height', num, skipListeners);
+  };
+
+  /**
+   * Set both the width and height of the `Component` element at the same time.
+   *
+   * @param  {number|string} width
+   *         Width to set the `Component`s element to.
+   *
+   * @param  {number|string} height
+   *         Height to set the `Component`s element to.
+   */
+
+
+  Component.prototype.dimensions = function dimensions(width, height) {
+    // Skip componentresize listeners on width for optimization
+    this.width(width, true);
+    this.height(height);
+  };
+
+  /**
+   * Get or set width or height of the `Component` element. This is the shared code
+   * for the {@link Component#width} and {@link Component#height}.
+   *
+   * Things to know:
+   * - If the width or height in an number this will return the number postfixed with 'px'.
+   * - If the width/height is a percent this will return the percent postfixed with '%'
+   * - Hidden elements have a width of 0 with `window.getComputedStyle`. This function
+   *   defaults to the `Component`s `style.width` and falls back to `window.getComputedStyle`.
+   *   See [this]{@link http://www.foliotek.com/devblog/getting-the-width-of-a-hidden-element-with-jquery-using-width/}
+   *   for more information
+   * - If you want the computed style of the component, use {@link Component#currentWidth}
+   *   and {@link {Component#currentHeight}
+   *
+   * @fires Component#componentresize
+   *
+   * @param {string} widthOrHeight
+   8        'width' or 'height'
+   *
+   * @param  {number|string} [num]
+   8         New dimension
+   *
+   * @param  {boolean} [skipListeners]
+   *         Skip componentresize event trigger
+   *
+   * @return {number}
+   *         The dimension when getting or 0 if unset
+   */
+
+
+  Component.prototype.dimension = function dimension(widthOrHeight, num, skipListeners) {
+    if (num !== undefined) {
+      // Set to zero if null or literally NaN (NaN !== NaN)
+      if (num === null || num !== num) {
+        num = 0;
+      }
+
+      // Check if using css width/height (% or px) and adjust
+      if (('' + num).indexOf('%') !== -1 || ('' + num).indexOf('px') !== -1) {
+        this.el_.style[widthOrHeight] = num;
+      } else if (num === 'auto') {
+        this.el_.style[widthOrHeight] = '';
+      } else {
+        this.el_.style[widthOrHeight] = num + 'px';
+      }
+
+      // skipListeners allows us to avoid triggering the resize event when setting both width and height
+      if (!skipListeners) {
+        /**
+         * Triggered when a component is resized.
+         *
+         * @event Component#componentresize
+         * @type {EventTarget~Event}
+         */
+        this.trigger('componentresize');
+      }
+
+      return;
+    }
+
+    // Not setting a value, so getting it
+    // Make sure element exists
+    if (!this.el_) {
+      return 0;
+    }
+
+    // Get dimension value from style
+    var val = this.el_.style[widthOrHeight];
+    var pxIndex = val.indexOf('px');
+
+    if (pxIndex !== -1) {
+      // Return the pixel value with no 'px'
+      return parseInt(val.slice(0, pxIndex), 10);
+    }
+
+    // No px so using % or no style was set, so falling back to offsetWidth/height
+    // If component has display:none, offset will return 0
+    // TODO: handle display:none and no dimension style using px
+    return parseInt(this.el_['offset' + toTitleCase(widthOrHeight)], 10);
+  };
+
+  /**
+   * Get the width or the height of the `Component` elements computed style. Uses
+   * `window.getComputedStyle`.
+   *
+   * @param {string} widthOrHeight
+   *        A string containing 'width' or 'height'. Whichever one you want to get.
+   *
+   * @return {number}
+   *         The dimension that gets asked for or 0 if nothing was set
+   *         for that dimension.
+   */
+
+
+  Component.prototype.currentDimension = function currentDimension(widthOrHeight) {
+    var computedWidthOrHeight = 0;
+
+    if (widthOrHeight !== 'width' && widthOrHeight !== 'height') {
+      throw new Error('currentDimension only accepts width or height value');
+    }
+
+    if (typeof window$1.getComputedStyle === 'function') {
+      var computedStyle = window$1.getComputedStyle(this.el_);
+
+      computedWidthOrHeight = computedStyle.getPropertyValue(widthOrHeight) || computedStyle[widthOrHeight];
+    }
+
+    // remove 'px' from variable and parse as integer
+    computedWidthOrHeight = parseFloat(computedWidthOrHeight);
+
+    // if the computed value is still 0, it's possible that the browser is lying
+    // and we want to check the offset values.
+    // This code also runs wherever getComputedStyle doesn't exist.
+    if (computedWidthOrHeight === 0) {
+      var rule = 'offset' + toTitleCase(widthOrHeight);
+
+      computedWidthOrHeight = this.el_[rule];
+    }
+
+    return computedWidthOrHeight;
+  };
+
+  /**
+   * An object that contains width and height values of the `Component`s
+   * computed style. Uses `window.getComputedStyle`.
+   *
+   * @typedef {Object} Component~DimensionObject
+   *
+   * @property {number} width
+   *           The width of the `Component`s computed style.
+   *
+   * @property {number} height
+   *           The height of the `Component`s computed style.
+   */
+
+  /**
+   * Get an object that contains width and height values of the `Component`s
+   * computed style.
+   *
+   * @return {Component~DimensionObject}
+   *         The dimensions of the components element
+   */
+
+
+  Component.prototype.currentDimensions = function currentDimensions() {
+    return {
+      width: this.currentDimension('width'),
+      height: this.currentDimension('height')
+    };
+  };
+
+  /**
+   * Get the width of the `Component`s computed style. Uses `window.getComputedStyle`.
+   *
+   * @return {number} width
+   *           The width of the `Component`s computed style.
+   */
+
+
+  Component.prototype.currentWidth = function currentWidth() {
+    return this.currentDimension('width');
+  };
+
+  /**
+   * Get the height of the `Component`s computed style. Uses `window.getComputedStyle`.
+   *
+   * @return {number} height
+   *           The height of the `Component`s computed style.
+   */
+
+
+  Component.prototype.currentHeight = function currentHeight() {
+    return this.currentDimension('height');
+  };
+
+  /**
+   * Set the focus to this component
+   */
+
+
+  Component.prototype.focus = function focus() {
+    this.el_.focus();
+  };
+
+  /**
+   * Remove the focus from this component
+   */
+
+
+  Component.prototype.blur = function blur() {
+    this.el_.blur();
+  };
+
+  /**
+   * Emit a 'tap' events when touch event support gets detected. This gets used to
+   * support toggling the controls through a tap on the video. They get enabled
+   * because every sub-component would have extra overhead otherwise.
+   *
+   * @private
+   * @fires Component#tap
+   * @listens Component#touchstart
+   * @listens Component#touchmove
+   * @listens Component#touchleave
+   * @listens Component#touchcancel
+   * @listens Component#touchend
+    */
+
+
+  Component.prototype.emitTapEvents = function emitTapEvents() {
+    // Track the start time so we can determine how long the touch lasted
+    var touchStart = 0;
+    var firstTouch = null;
+
+    // Maximum movement allowed during a touch event to still be considered a tap
+    // Other popular libs use anywhere from 2 (hammer.js) to 15,
+    // so 10 seems like a nice, round number.
+    var tapMovementThreshold = 10;
+
+    // The maximum length a touch can be while still being considered a tap
+    var touchTimeThreshold = 200;
+
+    var couldBeTap = void 0;
+
+    this.on('touchstart', function (event) {
+      // If more than one finger, don't consider treating this as a click
+      if (event.touches.length === 1) {
+        // Copy pageX/pageY from the object
+        firstTouch = {
+          pageX: event.touches[0].pageX,
+          pageY: event.touches[0].pageY
+        };
+        // Record start time so we can detect a tap vs. "touch and hold"
+        touchStart = new Date().getTime();
+        // Reset couldBeTap tracking
+        couldBeTap = true;
+      }
+    });
+
+    this.on('touchmove', function (event) {
+      // If more than one finger, don't consider treating this as a click
+      if (event.touches.length > 1) {
+        couldBeTap = false;
+      } else if (firstTouch) {
+        // Some devices will throw touchmoves for all but the slightest of taps.
+        // So, if we moved only a small distance, this could still be a tap
+        var xdiff = event.touches[0].pageX - firstTouch.pageX;
+        var ydiff = event.touches[0].pageY - firstTouch.pageY;
+        var touchDistance = Math.sqrt(xdiff * xdiff + ydiff * ydiff);
+
+        if (touchDistance > tapMovementThreshold) {
+          couldBeTap = false;
+        }
+      }
+    });
+
+    var noTap = function noTap() {
+      couldBeTap = false;
+    };
+
+    // TODO: Listen to the original target. http://youtu.be/DujfpXOKUp8?t=13m8s
+    this.on('touchleave', noTap);
+    this.on('touchcancel', noTap);
+
+    // When the touch ends, measure how long it took and trigger the appropriate
+    // event
+    this.on('touchend', function (event) {
+      firstTouch = null;
+      // Proceed only if the touchmove/leave/cancel event didn't happen
+      if (couldBeTap === true) {
+        // Measure how long the touch lasted
+        var touchTime = new Date().getTime() - touchStart;
+
+        // Make sure the touch was less than the threshold to be considered a tap
+        if (touchTime < touchTimeThreshold) {
+          // Don't let browser turn this into a click
+          event.preventDefault();
+          /**
+           * Triggered when a `Component` is tapped.
+           *
+           * @event Component#tap
+           * @type {EventTarget~Event}
+           */
+          this.trigger('tap');
+          // It may be good to copy the touchend event object and change the
+          // type to tap, if the other event properties aren't exact after
+          // Events.fixEvent runs (e.g. event.target)
+        }
+      }
+    });
+  };
+
+  /**
+   * This function reports user activity whenever touch events happen. This can get
+   * turned off by any sub-components that wants touch events to act another way.
+   *
+   * Report user touch activity when touch events occur. User activity gets used to
+   * determine when controls should show/hide. It is simple when it comes to mouse
+   * events, because any mouse event should show the controls. So we capture mouse
+   * events that bubble up to the player and report activity when that happens.
+   * With touch events it isn't as easy as `touchstart` and `touchend` toggle player
+   * controls. So touch events can't help us at the player level either.
+   *
+   * User activity gets checked asynchronously. So what could happen is a tap event
+   * on the video turns the controls off. Then the `touchend` event bubbles up to
+   * the player. Which, if it reported user activity, would turn the controls right
+   * back on. We also don't want to completely block touch events from bubbling up.
+   * Furthermore a `touchmove` event and anything other than a tap, should not turn
+   * controls back on.
+   *
+   * @listens Component#touchstart
+   * @listens Component#touchmove
+   * @listens Component#touchend
+   * @listens Component#touchcancel
+   */
+
+
+  Component.prototype.enableTouchActivity = function enableTouchActivity() {
+    // Don't continue if the root player doesn't support reporting user activity
+    if (!this.player() || !this.player().reportUserActivity) {
+      return;
+    }
+
+    // listener for reporting that the user is active
+    var report = bind(this.player(), this.player().reportUserActivity);
+
+    var touchHolding = void 0;
+
+    this.on('touchstart', function () {
+      report();
+      // For as long as the they are touching the device or have their mouse down,
+      // we consider them active even if they're not moving their finger or mouse.
+      // So we want to continue to update that they are active
+      this.clearInterval(touchHolding);
+      // report at the same interval as activityCheck
+      touchHolding = this.setInterval(report, 250);
+    });
+
+    var touchEnd = function touchEnd(event) {
+      report();
+      // stop the interval that maintains activity if the touch is holding
+      this.clearInterval(touchHolding);
+    };
+
+    this.on('touchmove', report);
+    this.on('touchend', touchEnd);
+    this.on('touchcancel', touchEnd);
+  };
+
+  /**
+   * A callback that has no parameters and is bound into `Component`s context.
+   *
+   * @callback Component~GenericCallback
+   * @this Component
+   */
+
+  /**
+   * Creates a function that runs after an `x` millisecond timeout. This function is a
+   * wrapper around `window.setTimeout`. There are a few reasons to use this one
+   * instead though:
+   * 1. It gets cleared via  {@link Component#clearTimeout} when
+   *    {@link Component#dispose} gets called.
+   * 2. The function callback will gets turned into a {@link Component~GenericCallback}
+   *
+   * > Note: You can't use `window.clearTimeout` on the id returned by this function. This
+   *         will cause its dispose listener not to get cleaned up! Please use
+   *         {@link Component#clearTimeout} or {@link Component#dispose} instead.
+   *
+   * @param {Component~GenericCallback} fn
+   *        The function that will be run after `timeout`.
+   *
+   * @param {number} timeout
+   *        Timeout in milliseconds to delay before executing the specified function.
+   *
+   * @return {number}
+   *         Returns a timeout ID that gets used to identify the timeout. It can also
+   *         get used in {@link Component#clearTimeout} to clear the timeout that
+   *         was set.
+   *
+   * @listens Component#dispose
+   * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setTimeout}
+   */
+
+
+  Component.prototype.setTimeout = function setTimeout(fn, timeout) {
+    var _this2 = this;
+
+    // declare as variables so they are properly available in timeout function
+    // eslint-disable-next-line
+    var timeoutId, disposeFn;
+
+    fn = bind(this, fn);
+
+    timeoutId = window$1.setTimeout(function () {
+      _this2.off('dispose', disposeFn);
+      fn();
+    }, timeout);
+
+    disposeFn = function disposeFn() {
+      return _this2.clearTimeout(timeoutId);
+    };
+
+    disposeFn.guid = 'vjs-timeout-' + timeoutId;
+
+    this.on('dispose', disposeFn);
+
+    return timeoutId;
+  };
+
+  /**
+   * Clears a timeout that gets created via `window.setTimeout` or
+   * {@link Component#setTimeout}. If you set a timeout via {@link Component#setTimeout}
+   * use this function instead of `window.clearTimout`. If you don't your dispose
+   * listener will not get cleaned up until {@link Component#dispose}!
+   *
+   * @param {number} timeoutId
+   *        The id of the timeout to clear. The return value of
+   *        {@link Component#setTimeout} or `window.setTimeout`.
+   *
+   * @return {number}
+   *         Returns the timeout id that was cleared.
+   *
+   * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearTimeout}
+   */
+
+
+  Component.prototype.clearTimeout = function clearTimeout(timeoutId) {
+    window$1.clearTimeout(timeoutId);
+
+    var disposeFn = function disposeFn() {};
+
+    disposeFn.guid = 'vjs-timeout-' + timeoutId;
+
+    this.off('dispose', disposeFn);
+
+    return timeoutId;
+  };
+
+  /**
+   * Creates a function that gets run every `x` milliseconds. This function is a wrapper
+   * around `window.setInterval`. There are a few reasons to use this one instead though.
+   * 1. It gets cleared via  {@link Component#clearInterval} when
+   *    {@link Component#dispose} gets called.
+   * 2. The function callback will be a {@link Component~GenericCallback}
+   *
+   * @param {Component~GenericCallback} fn
+   *        The function to run every `x` seconds.
+   *
+   * @param {number} interval
+   *        Execute the specified function every `x` milliseconds.
+   *
+   * @return {number}
+   *         Returns an id that can be used to identify the interval. It can also be be used in
+   *         {@link Component#clearInterval} to clear the interval.
+   *
+   * @listens Component#dispose
+   * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setInterval}
+   */
+
+
+  Component.prototype.setInterval = function setInterval(fn, interval) {
+    var _this3 = this;
+
+    fn = bind(this, fn);
+
+    var intervalId = window$1.setInterval(fn, interval);
+
+    var disposeFn = function disposeFn() {
+      return _this3.clearInterval(intervalId);
+    };
+
+    disposeFn.guid = 'vjs-interval-' + intervalId;
+
+    this.on('dispose', disposeFn);
+
+    return intervalId;
+  };
+
+  /**
+   * Clears an interval that gets created via `window.setInterval` or
+   * {@link Component#setInterval}. If you set an inteval via {@link Component#setInterval}
+   * use this function instead of `window.clearInterval`. If you don't your dispose
+   * listener will not get cleaned up until {@link Component#dispose}!
+   *
+   * @param {number} intervalId
+   *        The id of the interval to clear. The return value of
+   *        {@link Component#setInterval} or `window.setInterval`.
+   *
+   * @return {number}
+   *         Returns the interval id that was cleared.
+   *
+   * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearInterval}
+   */
+
+
+  Component.prototype.clearInterval = function clearInterval(intervalId) {
+    window$1.clearInterval(intervalId);
+
+    var disposeFn = function disposeFn() {};
+
+    disposeFn.guid = 'vjs-interval-' + intervalId;
+
+    this.off('dispose', disposeFn);
+
+    return intervalId;
+  };
+
+  /**
+   * Queues up a callback to be passed to requestAnimationFrame (rAF), but
+   * with a few extra bonuses:
+   *
+   * - Supports browsers that do not support rAF by falling back to
+   *   {@link Component#setTimeout}.
+   *
+   * - The callback is turned into a {@link Component~GenericCallback} (i.e.
+   *   bound to the component).
+   *
+   * - Automatic cancellation of the rAF callback is handled if the component
+   *   is disposed before it is called.
+   *
+   * @param  {Component~GenericCallback} fn
+   *         A function that will be bound to this component and executed just
+   *         before the browser's next repaint.
+   *
+   * @return {number}
+   *         Returns an rAF ID that gets used to identify the timeout. It can
+   *         also be used in {@link Component#cancelAnimationFrame} to cancel
+   *         the animation frame callback.
+   *
+   * @listens Component#dispose
+   * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/requestAnimationFrame}
+   */
+
+
+  Component.prototype.requestAnimationFrame = function requestAnimationFrame(fn) {
+    var _this4 = this;
+
+    // declare as variables so they are properly available in rAF function
+    // eslint-disable-next-line
+    var id, disposeFn;
+
+    if (this.supportsRaf_) {
+      fn = bind(this, fn);
+
+      id = window$1.requestAnimationFrame(function () {
+        _this4.off('dispose', disposeFn);
+        fn();
+      });
+
+      disposeFn = function disposeFn() {
+        return _this4.cancelAnimationFrame(id);
+      };
+
+      disposeFn.guid = 'vjs-raf-' + id;
+      this.on('dispose', disposeFn);
+
+      return id;
+    }
+
+    // Fall back to using a timer.
+    return this.setTimeout(fn, 1000 / 60);
+  };
+
+  /**
+   * Cancels a queued callback passed to {@link Component#requestAnimationFrame}
+   * (rAF).
+   *
+   * If you queue an rAF callback via {@link Component#requestAnimationFrame},
+   * use this function instead of `window.cancelAnimationFrame`. If you don't,
+   * your dispose listener will not get cleaned up until {@link Component#dispose}!
+   *
+   * @param {number} id
+   *        The rAF ID to clear. The return value of {@link Component#requestAnimationFrame}.
+   *
+   * @return {number}
+   *         Returns the rAF ID that was cleared.
+   *
+   * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/cancelAnimationFrame}
+   */
+
+
+  Component.prototype.cancelAnimationFrame = function cancelAnimationFrame(id) {
+    if (this.supportsRaf_) {
+      window$1.cancelAnimationFrame(id);
+
+      var disposeFn = function disposeFn() {};
+
+      disposeFn.guid = 'vjs-raf-' + id;
+
+      this.off('dispose', disposeFn);
+
+      return id;
+    }
+
+    // Fall back to using a timer.
+    return this.clearTimeout(id);
+  };
+
+  /**
+   * Register a `Component` with `videojs` given the name and the component.
+   *
+   * > NOTE: {@link Tech}s should not be registered as a `Component`. {@link Tech}s
+   *         should be registered using {@link Tech.registerTech} or
+   *         {@link videojs:videojs.registerTech}.
+   *
+   * > NOTE: This function can also be seen on videojs as
+   *         {@link videojs:videojs.registerComponent}.
+   *
+   * @param {string} name
+   *        The name of the `Component` to register.
+   *
+   * @param {Component} ComponentToRegister
+   *        The `Component` class to register.
+   *
+   * @return {Component}
+   *         The `Component` that was registered.
+   */
+
+
+  Component.registerComponent = function registerComponent(name, ComponentToRegister) {
+    if (typeof name !== 'string' || !name) {
+      throw new Error('Illegal component name, "' + name + '"; must be a non-empty string.');
+    }
+
+    var Tech = Component.getComponent('Tech');
+
+    // We need to make sure this check is only done if Tech has been registered.
+    var isTech = Tech && Tech.isTech(ComponentToRegister);
+    var isComp = Component === ComponentToRegister || Component.prototype.isPrototypeOf(ComponentToRegister.prototype);
+
+    if (isTech || !isComp) {
+      var reason = void 0;
+
+      if (isTech) {
+        reason = 'techs must be registered using Tech.registerTech()';
+      } else {
+        reason = 'must be a Component subclass';
+      }
+
+      throw new Error('Illegal component, "' + name + '"; ' + reason + '.');
+    }
+
+    name = toTitleCase(name);
+
+    if (!Component.components_) {
+      Component.components_ = {};
+    }
+
+    var Player = Component.getComponent('Player');
+
+    if (name === 'Player' && Player && Player.players) {
+      var players = Player.players;
+      var playerNames = Object.keys(players);
+
+      // If we have players that were disposed, then their name will still be
+      // in Players.players. So, we must loop through and verify that the value
+      // for each item is not null. This allows registration of the Player component
+      // after all players have been disposed or before any were created.
+      if (players && playerNames.length > 0 && playerNames.map(function (pname) {
+        return players[pname];
+      }).every(Boolean)) {
+        throw new Error('Can not register Player component after player has been created.');
+      }
+    }
+
+    Component.components_[name] = ComponentToRegister;
+
+    return ComponentToRegister;
+  };
+
+  /**
+   * Get a `Component` based on the name it was registered with.
+   *
+   * @param {string} name
+   *        The Name of the component to get.
+   *
+   * @return {Component}
+   *         The `Component` that got registered under the given name.
+   *
+   * @deprecated In `videojs` 6 this will not return `Component`s that were not
+   *             registered using {@link Component.registerComponent}. Currently we
+   *             check the global `videojs` object for a `Component` name and
+   *             return that if it exists.
+   */
+
+
+  Component.getComponent = function getComponent(name) {
+    if (!name) {
+      return;
+    }
+
+    name = toTitleCase(name);
+
+    if (Component.components_ && Component.components_[name]) {
+      return Component.components_[name];
+    }
+  };
+
+  return Component;
+}();
+
+/**
+ * Whether or not this component supports `requestAnimationFrame`.
+ *
+ * This is exposed primarily for testing purposes.
+ *
+ * @private
+ * @type {Boolean}
+ */
+
+
+Component.prototype.supportsRaf_ = typeof window$1.requestAnimationFrame === 'function' && typeof window$1.cancelAnimationFrame === 'function';
+
+Component.registerComponent('Component', Component);
+
+/**
+ * @file browser.js
+ * @module browser
+ */
+
+var USER_AGENT = window$1.navigator && window$1.navigator.userAgent || '';
+var webkitVersionMap = /AppleWebKit\/([\d.]+)/i.exec(USER_AGENT);
+var appleWebkitVersion = webkitVersionMap ? parseFloat(webkitVersionMap.pop()) : null;
+
+/*
+ * Device is an iPhone
+ *
+ * @type {Boolean}
+ * @constant
+ * @private
+ */
+var IS_IPAD = /iPad/i.test(USER_AGENT);
+
+// The Facebook app's UIWebView identifies as both an iPhone and iPad, so
+// to identify iPhones, we need to exclude iPads.
+// http://artsy.github.io/blog/2012/10/18/the-perils-of-ios-user-agent-sniffing/
+var IS_IPHONE = /iPhone/i.test(USER_AGENT) && !IS_IPAD;
+var IS_IPOD = /iPod/i.test(USER_AGENT);
+var IS_IOS = IS_IPHONE || IS_IPAD || IS_IPOD;
+
+var IOS_VERSION = function () {
+  var match = USER_AGENT.match(/OS (\d+)_/i);
+
+  if (match && match[1]) {
+    return match[1];
+  }
+  return null;
+}();
+
+var IS_ANDROID = /Android/i.test(USER_AGENT);
+var ANDROID_VERSION = function () {
+  // This matches Android Major.Minor.Patch versions
+  // ANDROID_VERSION is Major.Minor as a Number, if Minor isn't available, then only Major is returned
+  var match = USER_AGENT.match(/Android (\d+)(?:\.(\d+))?(?:\.(\d+))*/i);
+
+  if (!match) {
+    return null;
+  }
+
+  var major = match[1] && parseFloat(match[1]);
+  var minor = match[2] && parseFloat(match[2]);
+
+  if (major && minor) {
+    return parseFloat(match[1] + '.' + match[2]);
+  } else if (major) {
+    return major;
+  }
+  return null;
+}();
+
+var IS_NATIVE_ANDROID = IS_ANDROID && ANDROID_VERSION < 5 && appleWebkitVersion < 537;
+
+var IS_FIREFOX = /Firefox/i.test(USER_AGENT);
+var IS_EDGE = /Edge/i.test(USER_AGENT);
+var IS_CHROME = !IS_EDGE && (/Chrome/i.test(USER_AGENT) || /CriOS/i.test(USER_AGENT));
+var CHROME_VERSION = function () {
+  var match = USER_AGENT.match(/(Chrome|CriOS)\/(\d+)/);
+
+  if (match && match[2]) {
+    return parseFloat(match[2]);
+  }
+  return null;
+}();
+var IE_VERSION = function () {
+  var result = /MSIE\s(\d+)\.\d/.exec(USER_AGENT);
+  var version = result && parseFloat(result[1]);
+
+  if (!version && /Trident\/7.0/i.test(USER_AGENT) && /rv:11.0/.test(USER_AGENT)) {
+    // IE 11 has a different user agent string than other IE versions
+    version = 11.0;
+  }
+
+  return version;
+}();
+
+var IS_SAFARI = /Safari/i.test(USER_AGENT) && !IS_CHROME && !IS_ANDROID && !IS_EDGE;
+var IS_ANY_SAFARI = (IS_SAFARI || IS_IOS) && !IS_CHROME;
+
+var TOUCH_ENABLED = isReal() && ('ontouchstart' in window$1 || window$1.navigator.maxTouchPoints || window$1.DocumentTouch && window$1.document instanceof window$1.DocumentTouch);
+
+var browser = /*#__PURE__*/Object.freeze({
+  IS_IPAD: IS_IPAD,
+  IS_IPHONE: IS_IPHONE,
+  IS_IPOD: IS_IPOD,
+  IS_IOS: IS_IOS,
+  IOS_VERSION: IOS_VERSION,
+  IS_ANDROID: IS_ANDROID,
+  ANDROID_VERSION: ANDROID_VERSION,
+  IS_NATIVE_ANDROID: IS_NATIVE_ANDROID,
+  IS_FIREFOX: IS_FIREFOX,
+  IS_EDGE: IS_EDGE,
+  IS_CHROME: IS_CHROME,
+  CHROME_VERSION: CHROME_VERSION,
+  IE_VERSION: IE_VERSION,
+  IS_SAFARI: IS_SAFARI,
+  IS_ANY_SAFARI: IS_ANY_SAFARI,
+  TOUCH_ENABLED: TOUCH_ENABLED
+});
+
+/**
+ * @file time-ranges.js
+ * @module time-ranges
+ */
+
+/**
+ * Returns the time for the specified index at the start or end
+ * of a TimeRange object.
+ *
+ * @function time-ranges:indexFunction
+ *
+ * @param {number} [index=0]
+ *        The range number to return the time for.
+ *
+ * @return {number}
+ *         The time that offset at the specified index.
+ *
+ * @depricated index must be set to a value, in the future this will throw an error.
+ */
+
+/**
+ * An object that contains ranges of time for various reasons.
+ *
+ * @typedef {Object} TimeRange
+ *
+ * @property {number} length
+ *           The number of time ranges represented by this Object
+ *
+ * @property {time-ranges:indexFunction} start
+ *           Returns the time offset at which a specified time range begins.
+ *
+ * @property {time-ranges:indexFunction} end
+ *           Returns the time offset at which a specified time range ends.
+ *
+ * @see https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges
+ */
+
+/**
+ * Check if any of the time ranges are over the maximum index.
+ *
+ * @param {string} fnName
+ *        The function name to use for logging
+ *
+ * @param {number} index
+ *        The index to check
+ *
+ * @param {number} maxIndex
+ *        The maximum possible index
+ *
+ * @throws {Error} if the timeRanges provided are over the maxIndex
+ */
+function rangeCheck(fnName, index, maxIndex) {
+  if (typeof index !== 'number' || index < 0 || index > maxIndex) {
+    throw new Error('Failed to execute \'' + fnName + '\' on \'TimeRanges\': The index provided (' + index + ') is non-numeric or out of bounds (0-' + maxIndex + ').');
+  }
+}
+
+/**
+ * Get the time for the specified index at the start or end
+ * of a TimeRange object.
+ *
+ * @param {string} fnName
+ *        The function name to use for logging
+ *
+ * @param {string} valueIndex
+ *        The property that should be used to get the time. should be 'start' or 'end'
+ *
+ * @param {Array} ranges
+ *        An array of time ranges
+ *
+ * @param {Array} [rangeIndex=0]
+ *        The index to start the search at
+ *
+ * @return {number}
+ *         The time that offset at the specified index.
+ *
+ *
+ * @depricated rangeIndex must be set to a value, in the future this will throw an error.
+ * @throws {Error} if rangeIndex is more than the length of ranges
+ */
+function getRange(fnName, valueIndex, ranges, rangeIndex) {
+  rangeCheck(fnName, rangeIndex, ranges.length - 1);
+  return ranges[rangeIndex][valueIndex];
+}
+
+/**
+ * Create a time range object given ranges of time.
+ *
+ * @param {Array} [ranges]
+ *        An array of time ranges.
+ */
+function createTimeRangesObj(ranges) {
+  if (ranges === undefined || ranges.length === 0) {
+    return {
+      length: 0,
+      start: function start() {
+        throw new Error('This TimeRanges object is empty');
+      },
+      end: function end() {
+        throw new Error('This TimeRanges object is empty');
+      }
+    };
+  }
+  return {
+    length: ranges.length,
+    start: getRange.bind(null, 'start', 0, ranges),
+    end: getRange.bind(null, 'end', 1, ranges)
+  };
+}
+
+/**
+ * Should create a fake `TimeRange` object which mimics an HTML5 time range instance.
+ *
+ * @param {number|Array} start
+ *        The start of a single range or an array of ranges
+ *
+ * @param {number} end
+ *        The end of a single range.
+ *
+ * @private
+ */
+function createTimeRanges(start, end) {
+  if (Array.isArray(start)) {
+    return createTimeRangesObj(start);
+  } else if (start === undefined || end === undefined) {
+    return createTimeRangesObj();
+  }
+  return createTimeRangesObj([[start, end]]);
+}
+
+/**
+ * @file buffer.js
+ * @module buffer
+ */
+
+/**
+ * Compute the percentage of the media that has been buffered.
+ *
+ * @param {TimeRange} buffered
+ *        The current `TimeRange` object representing buffered time ranges
+ *
+ * @param {number} duration
+ *        Total duration of the media
+ *
+ * @return {number}
+ *         Percent buffered of the total duration in decimal form.
+ */
+function bufferedPercent(buffered, duration) {
+  var bufferedDuration = 0;
+  var start = void 0;
+  var end = void 0;
+
+  if (!duration) {
+    return 0;
+  }
+
+  if (!buffered || !buffered.length) {
+    buffered = createTimeRanges(0, 0);
+  }
+
+  for (var i = 0; i < buffered.length; i++) {
+    start = buffered.start(i);
+    end = buffered.end(i);
+
+    // buffered end can be bigger than duration by a very small fraction
+    if (end > duration) {
+      end = duration;
+    }
+
+    bufferedDuration += end - start;
+  }
+
+  return bufferedDuration / duration;
+}
+
+/**
+ * @file fullscreen-api.js
+ * @module fullscreen-api
+ * @private
+ */
+
+/**
+ * Store the browser-specific methods for the fullscreen API.
+ *
+ * @type {Object}
+ * @see [Specification]{@link https://fullscreen.spec.whatwg.org}
+ * @see [Map Approach From Screenfull.js]{@link https://github.com/sindresorhus/screenfull.js}
+ */
+var FullscreenApi = {};
+
+// browser API methods
+var apiMap = [['requestFullscreen', 'exitFullscreen', 'fullscreenElement', 'fullscreenEnabled', 'fullscreenchange', 'fullscreenerror'],
+// WebKit
+['webkitRequestFullscreen', 'webkitExitFullscreen', 'webkitFullscreenElement', 'webkitFullscreenEnabled', 'webkitfullscreenchange', 'webkitfullscreenerror'],
+// Old WebKit (Safari 5.1)
+['webkitRequestFullScreen', 'webkitCancelFullScreen', 'webkitCurrentFullScreenElement', 'webkitCancelFullScreen', 'webkitfullscreenchange', 'webkitfullscreenerror'],
+// Mozilla
+['mozRequestFullScreen', 'mozCancelFullScreen', 'mozFullScreenElement', 'mozFullScreenEnabled', 'mozfullscreenchange', 'mozfullscreenerror'],
+// Microsoft
+['msRequestFullscreen', 'msExitFullscreen', 'msFullscreenElement', 'msFullscreenEnabled', 'MSFullscreenChange', 'MSFullscreenError']];
+
+var specApi = apiMap[0];
+var browserApi = void 0;
+
+// determine the supported set of functions
+for (var i = 0; i < apiMap.length; i++) {
+  // check for exitFullscreen function
+  if (apiMap[i][1] in document) {
+    browserApi = apiMap[i];
+    break;
+  }
+}
+
+// map the browser API names to the spec API names
+if (browserApi) {
+  for (var _i = 0; _i < browserApi.length; _i++) {
+    FullscreenApi[specApi[_i]] = browserApi[_i];
+  }
+}
+
+/**
+ * @file media-error.js
+ */
+
+/**
+ * A Custom `MediaError` class which mimics the standard HTML5 `MediaError` class.
+ *
+ * @param {number|string|Object|MediaError} value
+ *        This can be of multiple types:
+ *        - number: should be a standard error code
+ *        - string: an error message (the code will be 0)
+ *        - Object: arbitrary properties
+ *        - `MediaError` (native): used to populate a video.js `MediaError` object
+ *        - `MediaError` (video.js): will return itself if it's already a
+ *          video.js `MediaError` object.
+ *
+ * @see [MediaError Spec]{@link https://dev.w3.org/html5/spec-author-view/video.html#mediaerror}
+ * @see [Encrypted MediaError Spec]{@link https://www.w3.org/TR/2013/WD-encrypted-media-20130510/#error-codes}
+ *
+ * @class MediaError
+ */
+function MediaError(value) {
+
+  // Allow redundant calls to this constructor to avoid having `instanceof`
+  // checks peppered around the code.
+  if (value instanceof MediaError) {
+    return value;
+  }
+
+  if (typeof value === 'number') {
+    this.code = value;
+  } else if (typeof value === 'string') {
+    // default code is zero, so this is a custom error
+    this.message = value;
+  } else if (isObject(value)) {
+
+    // We assign the `code` property manually because native `MediaError` objects
+    // do not expose it as an own/enumerable property of the object.
+    if (typeof value.code === 'number') {
+      this.code = value.code;
+    }
+
+    assign(this, value);
+  }
+
+  if (!this.message) {
+    this.message = MediaError.defaultMessages[this.code] || '';
+  }
+}
+
+/**
+ * The error code that refers two one of the defined `MediaError` types
+ *
+ * @type {Number}
+ */
+MediaError.prototype.code = 0;
+
+/**
+ * An optional message that to show with the error. Message is not part of the HTML5
+ * video spec but allows for more informative custom errors.
+ *
+ * @type {String}
+ */
+MediaError.prototype.message = '';
+
+/**
+ * An optional status code that can be set by plugins to allow even more detail about
+ * the error. For example a plugin might provide a specific HTTP status code and an
+ * error message for that code. Then when the plugin gets that error this class will
+ * know how to display an error message for it. This allows a custom message to show
+ * up on the `Player` error overlay.
+ *
+ * @type {Array}
+ */
+MediaError.prototype.status = null;
+
+/**
+ * Errors indexed by the W3C standard. The order **CANNOT CHANGE**! See the
+ * specification listed under {@link MediaError} for more information.
+ *
+ * @enum {array}
+ * @readonly
+ * @property {string} 0 - MEDIA_ERR_CUSTOM
+ * @property {string} 1 - MEDIA_ERR_CUSTOM
+ * @property {string} 2 - MEDIA_ERR_ABORTED
+ * @property {string} 3 - MEDIA_ERR_NETWORK
+ * @property {string} 4 - MEDIA_ERR_SRC_NOT_SUPPORTED
+ * @property {string} 5 - MEDIA_ERR_ENCRYPTED
+ */
+MediaError.errorTypes = ['MEDIA_ERR_CUSTOM', 'MEDIA_ERR_ABORTED', 'MEDIA_ERR_NETWORK', 'MEDIA_ERR_DECODE', 'MEDIA_ERR_SRC_NOT_SUPPORTED', 'MEDIA_ERR_ENCRYPTED'];
+
+/**
+ * The default `MediaError` messages based on the {@link MediaError.errorTypes}.
+ *
+ * @type {Array}
+ * @constant
+ */
+MediaError.defaultMessages = {
+  1: 'You aborted the media playback',
+  2: 'A network error caused the media download to fail part-way.',
+  3: 'The media playback was aborted due to a corruption problem or because the media used features your browser did not support.',
+  4: 'The media could not be loaded, either because the server or network failed or because the format is not supported.',
+  5: 'The media is encrypted and we do not have the keys to decrypt it.'
+};
+
+// Add types as properties on MediaError
+// e.g. MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED = 4;
+for (var errNum = 0; errNum < MediaError.errorTypes.length; errNum++) {
+  MediaError[MediaError.errorTypes[errNum]] = errNum;
+  // values should be accessible on both the class and instance
+  MediaError.prototype[MediaError.errorTypes[errNum]] = errNum;
+}
+
+/**
+ * Returns whether an object is `Promise`-like (i.e. has a `then` method).
+ *
+ * @param  {Object}  value
+ *         An object that may or may not be `Promise`-like.
+ *
+ * @return {Boolean}
+ *         Whether or not the object is `Promise`-like.
+ */
+function isPromise(value) {
+  return value !== undefined && value !== null && typeof value.then === 'function';
+}
+
+/**
+ * Silence a Promise-like object.
+ *
+ * This is useful for avoiding non-harmful, but potentially confusing "uncaught
+ * play promise" rejection error messages.
+ *
+ * @param  {Object} value
+ *         An object that may or may not be `Promise`-like.
+ */
+function silencePromise(value) {
+  if (isPromise(value)) {
+    value.then(null, function (e) {});
+  }
+}
+
+/**
+ * @file text-track-list-converter.js Utilities for capturing text track state and
+ * re-creating tracks based on a capture.
+ *
+ * @module text-track-list-converter
+ */
+
+/**
+ * Examine a single {@link TextTrack} and return a JSON-compatible javascript object that
+ * represents the {@link TextTrack}'s state.
+ *
+ * @param {TextTrack} track
+ *        The text track to query.
+ *
+ * @return {Object}
+ *         A serializable javascript representation of the TextTrack.
+ * @private
+ */
+var trackToJson_ = function trackToJson_(track) {
+  var ret = ['kind', 'label', 'language', 'id', 'inBandMetadataTrackDispatchType', 'mode', 'src'].reduce(function (acc, prop, i) {
+
+    if (track[prop]) {
+      acc[prop] = track[prop];
+    }
+
+    return acc;
+  }, {
+    cues: track.cues && Array.prototype.map.call(track.cues, function (cue) {
+      return {
+        startTime: cue.startTime,
+        endTime: cue.endTime,
+        text: cue.text,
+        id: cue.id
+      };
+    })
+  });
+
+  return ret;
+};
+
+/**
+ * Examine a {@link Tech} and return a JSON-compatible javascript array that represents the
+ * state of all {@link TextTrack}s currently configured. The return array is compatible with
+ * {@link text-track-list-converter:jsonToTextTracks}.
+ *
+ * @param {Tech} tech
+ *        The tech object to query
+ *
+ * @return {Array}
+ *         A serializable javascript representation of the {@link Tech}s
+ *         {@link TextTrackList}.
+ */
+var textTracksToJson = function textTracksToJson(tech) {
+
+  var trackEls = tech.$$('track');
+
+  var trackObjs = Array.prototype.map.call(trackEls, function (t) {
+    return t.track;
+  });
+  var tracks = Array.prototype.map.call(trackEls, function (trackEl) {
+    var json = trackToJson_(trackEl.track);
+
+    if (trackEl.src) {
+      json.src = trackEl.src;
+    }
+    return json;
+  });
+
+  return tracks.concat(Array.prototype.filter.call(tech.textTracks(), function (track) {
+    return trackObjs.indexOf(track) === -1;
+  }).map(trackToJson_));
+};
+
+/**
+ * Create a set of remote {@link TextTrack}s on a {@link Tech} based on an array of javascript
+ * object {@link TextTrack} representations.
+ *
+ * @param {Array} json
+ *        An array of `TextTrack` representation objects, like those that would be
+ *        produced by `textTracksToJson`.
+ *
+ * @param {Tech} tech
+ *        The `Tech` to create the `TextTrack`s on.
+ */
+var jsonToTextTracks = function jsonToTextTracks(json, tech) {
+  json.forEach(function (track) {
+    var addedTrack = tech.addRemoteTextTrack(track).track;
+
+    if (!track.src && track.cues) {
+      track.cues.forEach(function (cue) {
+        return addedTrack.addCue(cue);
+      });
+    }
+  });
+
+  return tech.textTracks();
+};
+
+var textTrackConverter = { textTracksToJson: textTracksToJson, jsonToTextTracks: jsonToTextTracks, trackToJson_: trackToJson_ };
+
+/**
+ * @file modal-dialog.js
+ */
+
+var MODAL_CLASS_NAME = 'vjs-modal-dialog';
+var ESC = 27;
+
+/**
+ * The `ModalDialog` displays over the video and its controls, which blocks
+ * interaction with the player until it is closed.
+ *
+ * Modal dialogs include a "Close" button and will close when that button
+ * is activated - or when ESC is pressed anywhere.
+ *
+ * @extends Component
+ */
+
+var ModalDialog = function (_Component) {
+  inherits(ModalDialog, _Component);
+
+  /**
+   * Create an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   *
+   * @param {Mixed} [options.content=undefined]
+   *        Provide customized content for this modal.
+   *
+   * @param {string} [options.description]
+   *        A text description for the modal, primarily for accessibility.
+   *
+   * @param {boolean} [options.fillAlways=false]
+   *        Normally, modals are automatically filled only the first time
+   *        they open. This tells the modal to refresh its content
+   *        every time it opens.
+   *
+   * @param {string} [options.label]
+   *        A text label for the modal, primarily for accessibility.
+   *
+   * @param {boolean} [options.temporary=true]
+   *        If `true`, the modal can only be opened once; it will be
+   *        disposed as soon as it's closed.
+   *
+   * @param {boolean} [options.uncloseable=false]
+   *        If `true`, the user will not be able to close the modal
+   *        through the UI in the normal ways. Programmatic closing is
+   *        still possible.
+   */
+  function ModalDialog(player, options) {
+    classCallCheck(this, ModalDialog);
+
+    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+    _this.opened_ = _this.hasBeenOpened_ = _this.hasBeenFilled_ = false;
+
+    _this.closeable(!_this.options_.uncloseable);
+    _this.content(_this.options_.content);
+
+    // Make sure the contentEl is defined AFTER any children are initialized
+    // because we only want the contents of the modal in the contentEl
+    // (not the UI elements like the close button).
+    _this.contentEl_ = createEl('div', {
+      className: MODAL_CLASS_NAME + '-content'
+    }, {
+      role: 'document'
+    });
+
+    _this.descEl_ = createEl('p', {
+      className: MODAL_CLASS_NAME + '-description vjs-control-text',
+      id: _this.el().getAttribute('aria-describedby')
+    });
+
+    textContent(_this.descEl_, _this.description());
+    _this.el_.appendChild(_this.descEl_);
+    _this.el_.appendChild(_this.contentEl_);
+    return _this;
+  }
+
+  /**
+   * Create the `ModalDialog`'s DOM element
+   *
+   * @return {Element}
+   *         The DOM element that gets created.
+   */
+
+
+  ModalDialog.prototype.createEl = function createEl$$1() {
+    return _Component.prototype.createEl.call(this, 'div', {
+      className: this.buildCSSClass(),
+      tabIndex: -1
+    }, {
+      'aria-describedby': this.id() + '_description',
+      'aria-hidden': 'true',
+      'aria-label': this.label(),
+      'role': 'dialog'
+    });
+  };
+
+  ModalDialog.prototype.dispose = function dispose() {
+    this.contentEl_ = null;
+    this.descEl_ = null;
+    this.previouslyActiveEl_ = null;
+
+    _Component.prototype.dispose.call(this);
+  };
+
+  /**
+   * Builds the default DOM `className`.
+   *
+   * @return {string}
+   *         The DOM `className` for this object.
+   */
+
+
+  ModalDialog.prototype.buildCSSClass = function buildCSSClass() {
+    return MODAL_CLASS_NAME + ' vjs-hidden ' + _Component.prototype.buildCSSClass.call(this);
+  };
+
+  /**
+   * Handles `keydown` events on the document, looking for ESC, which closes
+   * the modal.
+   *
+   * @param {EventTarget~Event} e
+   *        The keypress that triggered this event.
+   *
+   * @listens keydown
+   */
+
+
+  ModalDialog.prototype.handleKeyPress = function handleKeyPress(e) {
+    if (e.which === ESC && this.closeable()) {
+      this.close();
+    }
+  };
+
+  /**
+   * Returns the label string for this modal. Primarily used for accessibility.
+   *
+   * @return {string}
+   *         the localized or raw label of this modal.
+   */
+
+
+  ModalDialog.prototype.label = function label() {
+    return this.localize(this.options_.label || 'Modal Window');
+  };
+
+  /**
+   * Returns the description string for this modal. Primarily used for
+   * accessibility.
+   *
+   * @return {string}
+   *         The localized or raw description of this modal.
+   */
+
+
+  ModalDialog.prototype.description = function description() {
+    var desc = this.options_.description || this.localize('This is a modal window.');
+
+    // Append a universal closeability message if the modal is closeable.
+    if (this.closeable()) {
+      desc += ' ' + this.localize('This modal can be closed by pressing the Escape key or activating the close button.');
+    }
+
+    return desc;
+  };
+
+  /**
+   * Opens the modal.
+   *
+   * @fires ModalDialog#beforemodalopen
+   * @fires ModalDialog#modalopen
+   */
+
+
+  ModalDialog.prototype.open = function open() {
+    if (!this.opened_) {
+      var player = this.player();
+
+      /**
+        * Fired just before a `ModalDialog` is opened.
+        *
+        * @event ModalDialog#beforemodalopen
+        * @type {EventTarget~Event}
+        */
+      this.trigger('beforemodalopen');
+      this.opened_ = true;
+
+      // Fill content if the modal has never opened before and
+      // never been filled.
+      if (this.options_.fillAlways || !this.hasBeenOpened_ && !this.hasBeenFilled_) {
+        this.fill();
+      }
+
+      // If the player was playing, pause it and take note of its previously
+      // playing state.
+      this.wasPlaying_ = !player.paused();
+
+      if (this.options_.pauseOnOpen && this.wasPlaying_) {
+        player.pause();
+      }
+
+      if (this.closeable()) {
+        this.on(this.el_.ownerDocument, 'keydown', bind(this, this.handleKeyPress));
+      }
+
+      // Hide controls and note if they were enabled.
+      this.hadControls_ = player.controls();
+      player.controls(false);
+
+      this.show();
+      this.conditionalFocus_();
+      this.el().setAttribute('aria-hidden', 'false');
+
+      /**
+        * Fired just after a `ModalDialog` is opened.
+        *
+        * @event ModalDialog#modalopen
+        * @type {EventTarget~Event}
+        */
+      this.trigger('modalopen');
+      this.hasBeenOpened_ = true;
+    }
+  };
+
+  /**
+   * If the `ModalDialog` is currently open or closed.
+   *
+   * @param  {boolean} [value]
+   *         If given, it will open (`true`) or close (`false`) the modal.
+   *
+   * @return {boolean}
+   *         the current open state of the modaldialog
+   */
+
+
+  ModalDialog.prototype.opened = function opened(value) {
+    if (typeof value === 'boolean') {
+      this[value ? 'open' : 'close']();
+    }
+    return this.opened_;
+  };
+
+  /**
+   * Closes the modal, does nothing if the `ModalDialog` is
+   * not open.
+   *
+   * @fires ModalDialog#beforemodalclose
+   * @fires ModalDialog#modalclose
+   */
+
+
+  ModalDialog.prototype.close = function close() {
+    if (!this.opened_) {
+      return;
+    }
+    var player = this.player();
+
+    /**
+      * Fired just before a `ModalDialog` is closed.
+      *
+      * @event ModalDialog#beforemodalclose
+      * @type {EventTarget~Event}
+      */
+    this.trigger('beforemodalclose');
+    this.opened_ = false;
+
+    if (this.wasPlaying_ && this.options_.pauseOnOpen) {
+      player.play();
+    }
+
+    if (this.closeable()) {
+      this.off(this.el_.ownerDocument, 'keydown', bind(this, this.handleKeyPress));
+    }
+
+    if (this.hadControls_) {
+      player.controls(true);
+    }
+
+    this.hide();
+    this.el().setAttribute('aria-hidden', 'true');
+
+    /**
+      * Fired just after a `ModalDialog` is closed.
+      *
+      * @event ModalDialog#modalclose
+      * @type {EventTarget~Event}
+      */
+    this.trigger('modalclose');
+    this.conditionalBlur_();
+
+    if (this.options_.temporary) {
+      this.dispose();
+    }
+  };
+
+  /**
+   * Check to see if the `ModalDialog` is closeable via the UI.
+   *
+   * @param  {boolean} [value]
+   *         If given as a boolean, it will set the `closeable` option.
+   *
+   * @return {boolean}
+   *         Returns the final value of the closable option.
+   */
+
+
+  ModalDialog.prototype.closeable = function closeable(value) {
+    if (typeof value === 'boolean') {
+      var closeable = this.closeable_ = !!value;
+      var close = this.getChild('closeButton');
+
+      // If this is being made closeable and has no close button, add one.
+      if (closeable && !close) {
+
+        // The close button should be a child of the modal - not its
+        // content element, so temporarily change the content element.
+        var temp = this.contentEl_;
+
+        this.contentEl_ = this.el_;
+        close = this.addChild('closeButton', { controlText: 'Close Modal Dialog' });
+        this.contentEl_ = temp;
+        this.on(close, 'close', this.close);
+      }
+
+      // If this is being made uncloseable and has a close button, remove it.
+      if (!closeable && close) {
+        this.off(close, 'close', this.close);
+        this.removeChild(close);
+        close.dispose();
+      }
+    }
+    return this.closeable_;
+  };
+
+  /**
+   * Fill the modal's content element with the modal's "content" option.
+   * The content element will be emptied before this change takes place.
+   */
+
+
+  ModalDialog.prototype.fill = function fill() {
+    this.fillWith(this.content());
+  };
+
+  /**
+   * Fill the modal's content element with arbitrary content.
+   * The content element will be emptied before this change takes place.
+   *
+   * @fires ModalDialog#beforemodalfill
+   * @fires ModalDialog#modalfill
+   *
+   * @param {Mixed} [content]
+   *        The same rules apply to this as apply to the `content` option.
+   */
+
+
+  ModalDialog.prototype.fillWith = function fillWith(content) {
+    var contentEl = this.contentEl();
+    var parentEl = contentEl.parentNode;
+    var nextSiblingEl = contentEl.nextSibling;
+
+    /**
+     * Fired just before a `ModalDialog` is filled with content.
+     *
+     * @event ModalDialog#beforemodalfill
+     * @type {EventTarget~Event}
+     */
+    this.trigger('beforemodalfill');
+    this.hasBeenFilled_ = true;
+
+    // Detach the content element from the DOM before performing
+    // manipulation to avoid modifying the live DOM multiple times.
+    parentEl.removeChild(contentEl);
+    this.empty();
+    insertContent(contentEl, content);
+    /**
+     * Fired just after a `ModalDialog` is filled with content.
+     *
+     * @event ModalDialog#modalfill
+     * @type {EventTarget~Event}
+     */
+    this.trigger('modalfill');
+
+    // Re-inject the re-filled content element.
+    if (nextSiblingEl) {
+      parentEl.insertBefore(contentEl, nextSiblingEl);
+    } else {
+      parentEl.appendChild(contentEl);
+    }
+
+    // make sure that the close button is last in the dialog DOM
+    var closeButton = this.getChild('closeButton');
+
+    if (closeButton) {
+      parentEl.appendChild(closeButton.el_);
+    }
+  };
+
+  /**
+   * Empties the content element. This happens anytime the modal is filled.
+   *
+   * @fires ModalDialog#beforemodalempty
+   * @fires ModalDialog#modalempty
+   */
+
+
+  ModalDialog.prototype.empty = function empty() {
+    /**
+     * Fired just before a `ModalDialog` is emptied.
+     *
+     * @event ModalDialog#beforemodalempty
+     * @type {EventTarget~Event}
+     */
+    this.trigger('beforemodalempty');
+    emptyEl(this.contentEl());
+
+    /**
+     * Fired just after a `ModalDialog` is emptied.
+     *
+     * @event ModalDialog#modalempty
+     * @type {EventTarget~Event}
+     */
+    this.trigger('modalempty');
+  };
+
+  /**
+   * Gets or sets the modal content, which gets normalized before being
+   * rendered into the DOM.
+   *
+   * This does not update the DOM or fill the modal, but it is called during
+   * that process.
+   *
+   * @param  {Mixed} [value]
+   *         If defined, sets the internal content value to be used on the
+   *         next call(s) to `fill`. This value is normalized before being
+   *         inserted. To "clear" the internal content value, pass `null`.
+   *
+   * @return {Mixed}
+   *         The current content of the modal dialog
+   */
+
+
+  ModalDialog.prototype.content = function content(value) {
+    if (typeof value !== 'undefined') {
+      this.content_ = value;
+    }
+    return this.content_;
+  };
+
+  /**
+   * conditionally focus the modal dialog if focus was previously on the player.
+   *
+   * @private
+   */
+
+
+  ModalDialog.prototype.conditionalFocus_ = function conditionalFocus_() {
+    var activeEl = document.activeElement;
+    var playerEl = this.player_.el_;
+
+    this.previouslyActiveEl_ = null;
+
+    if (playerEl.contains(activeEl) || playerEl === activeEl) {
+      this.previouslyActiveEl_ = activeEl;
+
+      this.focus();
+
+      this.on(document, 'keydown', this.handleKeyDown);
+    }
+  };
+
+  /**
+   * conditionally blur the element and refocus the last focused element
+   *
+   * @private
+   */
+
+
+  ModalDialog.prototype.conditionalBlur_ = function conditionalBlur_() {
+    if (this.previouslyActiveEl_) {
+      this.previouslyActiveEl_.focus();
+      this.previouslyActiveEl_ = null;
+    }
+
+    this.off(document, 'keydown', this.handleKeyDown);
+  };
+
+  /**
+   * Keydown handler. Attached when modal is focused.
+   *
+   * @listens keydown
+   */
+
+
+  ModalDialog.prototype.handleKeyDown = function handleKeyDown(event) {
+    // exit early if it isn't a tab key
+    if (event.which !== 9) {
+      return;
+    }
+
+    var focusableEls = this.focusableEls_();
+    var activeEl = this.el_.querySelector(':focus');
+    var focusIndex = void 0;
+
+    for (var i = 0; i < focusableEls.length; i++) {
+      if (activeEl === focusableEls[i]) {
+        focusIndex = i;
+        break;
+      }
+    }
+
+    if (document.activeElement === this.el_) {
+      focusIndex = 0;
+    }
+
+    if (event.shiftKey && focusIndex === 0) {
+      focusableEls[focusableEls.length - 1].focus();
+      event.preventDefault();
+    } else if (!event.shiftKey && focusIndex === focusableEls.length - 1) {
+      focusableEls[0].focus();
+      event.preventDefault();
+    }
+  };
+
+  /**
+   * get all focusable elements
+   *
+   * @private
+   */
+
+
+  ModalDialog.prototype.focusableEls_ = function focusableEls_() {
+    var allChildren = this.el_.querySelectorAll('*');
+
+    return Array.prototype.filter.call(allChildren, function (child) {
+      return (child instanceof window$1.HTMLAnchorElement || child instanceof window$1.HTMLAreaElement) && child.hasAttribute('href') || (child instanceof window$1.HTMLInputElement || child instanceof window$1.HTMLSelectElement || child instanceof window$1.HTMLTextAreaElement || child instanceof window$1.HTMLButtonElement) && !child.hasAttribute('disabled') || child instanceof window$1.HTMLIFrameElement || child instanceof window$1.HTMLObjectElement || child instanceof window$1.HTMLEmbedElement || child.hasAttribute('tabindex') && child.getAttribute('tabindex') !== -1 || child.hasAttribute('contenteditable');
+    });
+  };
+
+  return ModalDialog;
+}(Component);
+
+/**
+ * Default options for `ModalDialog` default options.
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+ModalDialog.prototype.options_ = {
+  pauseOnOpen: true,
+  temporary: true
+};
+
+Component.registerComponent('ModalDialog', ModalDialog);
+
+/**
+ * @file track-list.js
+ */
+
+/**
+ * Common functionaliy between {@link TextTrackList}, {@link AudioTrackList}, and
+ * {@link VideoTrackList}
+ *
+ * @extends EventTarget
+ */
+
+var TrackList = function (_EventTarget) {
+  inherits(TrackList, _EventTarget);
+
+  /**
+   * Create an instance of this class
+   *
+   * @param {Track[]} tracks
+   *        A list of tracks to initialize the list with.
+   *
+   * @abstract
+   */
+  function TrackList() {
+    var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+    classCallCheck(this, TrackList);
+
+    var _this = possibleConstructorReturn(this, _EventTarget.call(this));
+
+    _this.tracks_ = [];
+
+    /**
+     * @memberof TrackList
+     * @member {number} length
+     *         The current number of `Track`s in the this Trackist.
+     * @instance
+     */
+    Object.defineProperty(_this, 'length', {
+      get: function get$$1() {
+        return this.tracks_.length;
+      }
+    });
+
+    for (var i = 0; i < tracks.length; i++) {
+      _this.addTrack(tracks[i]);
+    }
+    return _this;
+  }
+
+  /**
+   * Add a {@link Track} to the `TrackList`
+   *
+   * @param {Track} track
+   *        The audio, video, or text track to add to the list.
+   *
+   * @fires TrackList#addtrack
+   */
+
+
+  TrackList.prototype.addTrack = function addTrack(track) {
+    var index = this.tracks_.length;
+
+    if (!('' + index in this)) {
+      Object.defineProperty(this, index, {
+        get: function get$$1() {
+          return this.tracks_[index];
+        }
+      });
+    }
+
+    // Do not add duplicate tracks
+    if (this.tracks_.indexOf(track) === -1) {
+      this.tracks_.push(track);
+      /**
+       * Triggered when a track is added to a track list.
+       *
+       * @event TrackList#addtrack
+       * @type {EventTarget~Event}
+       * @property {Track} track
+       *           A reference to track that was added.
+       */
+      this.trigger({
+        track: track,
+        type: 'addtrack'
+      });
+    }
+  };
+
+  /**
+   * Remove a {@link Track} from the `TrackList`
+   *
+   * @param {Track} rtrack
+   *        The audio, video, or text track to remove from the list.
+   *
+   * @fires TrackList#removetrack
+   */
+
+
+  TrackList.prototype.removeTrack = function removeTrack(rtrack) {
+    var track = void 0;
+
+    for (var i = 0, l = this.length; i < l; i++) {
+      if (this[i] === rtrack) {
+        track = this[i];
+        if (track.off) {
+          track.off();
+        }
+
+        this.tracks_.splice(i, 1);
+
+        break;
+      }
+    }
+
+    if (!track) {
+      return;
+    }
+
+    /**
+     * Triggered when a track is removed from track list.
+     *
+     * @event TrackList#removetrack
+     * @type {EventTarget~Event}
+     * @property {Track} track
+     *           A reference to track that was removed.
+     */
+    this.trigger({
+      track: track,
+      type: 'removetrack'
+    });
+  };
+
+  /**
+   * Get a Track from the TrackList by a tracks id
+   *
+   * @param {String} id - the id of the track to get
+   * @method getTrackById
+   * @return {Track}
+   * @private
+   */
+
+
+  TrackList.prototype.getTrackById = function getTrackById(id) {
+    var result = null;
+
+    for (var i = 0, l = this.length; i < l; i++) {
+      var track = this[i];
+
+      if (track.id === id) {
+        result = track;
+        break;
+      }
+    }
+
+    return result;
+  };
+
+  return TrackList;
+}(EventTarget);
+
+/**
+ * Triggered when a different track is selected/enabled.
+ *
+ * @event TrackList#change
+ * @type {EventTarget~Event}
+ */
+
+/**
+ * Events that can be called with on + eventName. See {@link EventHandler}.
+ *
+ * @property {Object} TrackList#allowedEvents_
+ * @private
+ */
+
+
+TrackList.prototype.allowedEvents_ = {
+  change: 'change',
+  addtrack: 'addtrack',
+  removetrack: 'removetrack'
+};
+
+// emulate attribute EventHandler support to allow for feature detection
+for (var event in TrackList.prototype.allowedEvents_) {
+  TrackList.prototype['on' + event] = null;
+}
+
+/**
+ * @file audio-track-list.js
+ */
+
+/**
+ * Anywhere we call this function we diverge from the spec
+ * as we only support one enabled audiotrack at a time
+ *
+ * @param {AudioTrackList} list
+ *        list to work on
+ *
+ * @param {AudioTrack} track
+ *        The track to skip
+ *
+ * @private
+ */
+var disableOthers = function disableOthers(list, track) {
+  for (var i = 0; i < list.length; i++) {
+    if (!Object.keys(list[i]).length || track.id === list[i].id) {
+      continue;
+    }
+    // another audio track is enabled, disable it
+    list[i].enabled = false;
+  }
+};
+
+/**
+ * The current list of {@link AudioTrack} for a media file.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist}
+ * @extends TrackList
+ */
+
+var AudioTrackList = function (_TrackList) {
+  inherits(AudioTrackList, _TrackList);
+
+  /**
+   * Create an instance of this class.
+   *
+   * @param {AudioTrack[]} [tracks=[]]
+   *        A list of `AudioTrack` to instantiate the list with.
+   */
+  function AudioTrackList() {
+    var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+    classCallCheck(this, AudioTrackList);
+
+    // make sure only 1 track is enabled
+    // sorted from last index to first index
+    for (var i = tracks.length - 1; i >= 0; i--) {
+      if (tracks[i].enabled) {
+        disableOthers(tracks, tracks[i]);
+        break;
+      }
+    }
+
+    var _this = possibleConstructorReturn(this, _TrackList.call(this, tracks));
+
+    _this.changing_ = false;
+    return _this;
+  }
+
+  /**
+   * Add an {@link AudioTrack} to the `AudioTrackList`.
+   *
+   * @param {AudioTrack} track
+   *        The AudioTrack to add to the list
+   *
+   * @fires TrackList#addtrack
+   */
+
+
+  AudioTrackList.prototype.addTrack = function addTrack(track) {
+    var _this2 = this;
+
+    if (track.enabled) {
+      disableOthers(this, track);
+    }
+
+    _TrackList.prototype.addTrack.call(this, track);
+    // native tracks don't have this
+    if (!track.addEventListener) {
+      return;
+    }
+
+    /**
+     * @listens AudioTrack#enabledchange
+     * @fires TrackList#change
+     */
+    track.addEventListener('enabledchange', function () {
+      // when we are disabling other tracks (since we don't support
+      // more than one track at a time) we will set changing_
+      // to true so that we don't trigger additional change events
+      if (_this2.changing_) {
+        return;
+      }
+      _this2.changing_ = true;
+      disableOthers(_this2, track);
+      _this2.changing_ = false;
+      _this2.trigger('change');
+    });
+  };
+
+  return AudioTrackList;
+}(TrackList);
+
+/**
+ * @file video-track-list.js
+ */
+
+/**
+ * Un-select all other {@link VideoTrack}s that are selected.
+ *
+ * @param {VideoTrackList} list
+ *        list to work on
+ *
+ * @param {VideoTrack} track
+ *        The track to skip
+ *
+ * @private
+ */
+var disableOthers$1 = function disableOthers(list, track) {
+  for (var i = 0; i < list.length; i++) {
+    if (!Object.keys(list[i]).length || track.id === list[i].id) {
+      continue;
+    }
+    // another video track is enabled, disable it
+    list[i].selected = false;
+  }
+};
+
+/**
+ * The current list of {@link VideoTrack} for a video.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist}
+ * @extends TrackList
+ */
+
+var VideoTrackList = function (_TrackList) {
+  inherits(VideoTrackList, _TrackList);
+
+  /**
+   * Create an instance of this class.
+   *
+   * @param {VideoTrack[]} [tracks=[]]
+   *        A list of `VideoTrack` to instantiate the list with.
+   */
+  function VideoTrackList() {
+    var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+    classCallCheck(this, VideoTrackList);
+
+    // make sure only 1 track is enabled
+    // sorted from last index to first index
+    for (var i = tracks.length - 1; i >= 0; i--) {
+      if (tracks[i].selected) {
+        disableOthers$1(tracks, tracks[i]);
+        break;
+      }
+    }
+
+    var _this = possibleConstructorReturn(this, _TrackList.call(this, tracks));
+
+    _this.changing_ = false;
+
+    /**
+     * @member {number} VideoTrackList#selectedIndex
+     *         The current index of the selected {@link VideoTrack`}.
+     */
+    Object.defineProperty(_this, 'selectedIndex', {
+      get: function get$$1() {
+        for (var _i = 0; _i < this.length; _i++) {
+          if (this[_i].selected) {
+            return _i;
+          }
+        }
+        return -1;
+      },
+      set: function set$$1() {}
+    });
+    return _this;
+  }
+
+  /**
+   * Add a {@link VideoTrack} to the `VideoTrackList`.
+   *
+   * @param {VideoTrack} track
+   *        The VideoTrack to add to the list
+   *
+   * @fires TrackList#addtrack
+   */
+
+
+  VideoTrackList.prototype.addTrack = function addTrack(track) {
+    var _this2 = this;
+
+    if (track.selected) {
+      disableOthers$1(this, track);
+    }
+
+    _TrackList.prototype.addTrack.call(this, track);
+    // native tracks don't have this
+    if (!track.addEventListener) {
+      return;
+    }
+
+    /**
+     * @listens VideoTrack#selectedchange
+     * @fires TrackList#change
+     */
+    track.addEventListener('selectedchange', function () {
+      if (_this2.changing_) {
+        return;
+      }
+      _this2.changing_ = true;
+      disableOthers$1(_this2, track);
+      _this2.changing_ = false;
+      _this2.trigger('change');
+    });
+  };
+
+  return VideoTrackList;
+}(TrackList);
+
+/**
+ * @file text-track-list.js
+ */
+
+/**
+ * The current list of {@link TextTrack} for a media file.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttracklist}
+ * @extends TrackList
+ */
+
+var TextTrackList = function (_TrackList) {
+  inherits(TextTrackList, _TrackList);
+
+  function TextTrackList() {
+    classCallCheck(this, TextTrackList);
+    return possibleConstructorReturn(this, _TrackList.apply(this, arguments));
+  }
+
+  /**
+   * Add a {@link TextTrack} to the `TextTrackList`
+   *
+   * @param {TextTrack} track
+   *        The text track to add to the list.
+   *
+   * @fires TrackList#addtrack
+   */
+  TextTrackList.prototype.addTrack = function addTrack(track) {
+    _TrackList.prototype.addTrack.call(this, track);
+
+    /**
+     * @listens TextTrack#modechange
+     * @fires TrackList#change
+     */
+    track.addEventListener('modechange', bind(this, function () {
+      this.queueTrigger('change');
+    }));
+
+    var nonLanguageTextTrackKind = ['metadata', 'chapters'];
+
+    if (nonLanguageTextTrackKind.indexOf(track.kind) === -1) {
+      track.addEventListener('modechange', bind(this, function () {
+        this.trigger('selectedlanguagechange');
+      }));
+    }
+  };
+
+  return TextTrackList;
+}(TrackList);
+
+/**
+ * @file html-track-element-list.js
+ */
+
+/**
+ * The current list of {@link HtmlTrackElement}s.
+ */
+var HtmlTrackElementList = function () {
+
+  /**
+   * Create an instance of this class.
+   *
+   * @param {HtmlTrackElement[]} [tracks=[]]
+   *        A list of `HtmlTrackElement` to instantiate the list with.
+   */
+  function HtmlTrackElementList() {
+    var trackElements = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+    classCallCheck(this, HtmlTrackElementList);
+
+    this.trackElements_ = [];
+
+    /**
+     * @memberof HtmlTrackElementList
+     * @member {number} length
+     *         The current number of `Track`s in the this Trackist.
+     * @instance
+     */
+    Object.defineProperty(this, 'length', {
+      get: function get$$1() {
+        return this.trackElements_.length;
+      }
+    });
+
+    for (var i = 0, length = trackElements.length; i < length; i++) {
+      this.addTrackElement_(trackElements[i]);
+    }
+  }
+
+  /**
+   * Add an {@link HtmlTrackElement} to the `HtmlTrackElementList`
+   *
+   * @param {HtmlTrackElement} trackElement
+   *        The track element to add to the list.
+   *
+   * @private
+   */
+
+
+  HtmlTrackElementList.prototype.addTrackElement_ = function addTrackElement_(trackElement) {
+    var index = this.trackElements_.length;
+
+    if (!('' + index in this)) {
+      Object.defineProperty(this, index, {
+        get: function get$$1() {
+          return this.trackElements_[index];
+        }
+      });
+    }
+
+    // Do not add duplicate elements
+    if (this.trackElements_.indexOf(trackElement) === -1) {
+      this.trackElements_.push(trackElement);
+    }
+  };
+
+  /**
+   * Get an {@link HtmlTrackElement} from the `HtmlTrackElementList` given an
+   * {@link TextTrack}.
+   *
+   * @param {TextTrack} track
+   *        The track associated with a track element.
+   *
+   * @return {HtmlTrackElement|undefined}
+   *         The track element that was found or undefined.
+   *
+   * @private
+   */
+
+
+  HtmlTrackElementList.prototype.getTrackElementByTrack_ = function getTrackElementByTrack_(track) {
+    var trackElement_ = void 0;
+
+    for (var i = 0, length = this.trackElements_.length; i < length; i++) {
+      if (track === this.trackElements_[i].track) {
+        trackElement_ = this.trackElements_[i];
+
+        break;
+      }
+    }
+
+    return trackElement_;
+  };
+
+  /**
+   * Remove a {@link HtmlTrackElement} from the `HtmlTrackElementList`
+   *
+   * @param {HtmlTrackElement} trackElement
+   *        The track element to remove from the list.
+   *
+   * @private
+   */
+
+
+  HtmlTrackElementList.prototype.removeTrackElement_ = function removeTrackElement_(trackElement) {
+    for (var i = 0, length = this.trackElements_.length; i < length; i++) {
+      if (trackElement === this.trackElements_[i]) {
+        this.trackElements_.splice(i, 1);
+
+        break;
+      }
+    }
+  };
+
+  return HtmlTrackElementList;
+}();
+
+/**
+ * @file text-track-cue-list.js
+ */
+
+/**
+ * @typedef {Object} TextTrackCueList~TextTrackCue
+ *
+ * @property {string} id
+ *           The unique id for this text track cue
+ *
+ * @property {number} startTime
+ *           The start time for this text track cue
+ *
+ * @property {number} endTime
+ *           The end time for this text track cue
+ *
+ * @property {boolean} pauseOnExit
+ *           Pause when the end time is reached if true.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcue}
+ */
+
+/**
+ * A List of TextTrackCues.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcuelist}
+ */
+var TextTrackCueList = function () {
+
+  /**
+   * Create an instance of this class..
+   *
+   * @param {Array} cues
+   *        A list of cues to be initialized with
+   */
+  function TextTrackCueList(cues) {
+    classCallCheck(this, TextTrackCueList);
+
+    TextTrackCueList.prototype.setCues_.call(this, cues);
+
+    /**
+     * @memberof TextTrackCueList
+     * @member {number} length
+     *         The current number of `TextTrackCue`s in the TextTrackCueList.
+     * @instance
+     */
+    Object.defineProperty(this, 'length', {
+      get: function get$$1() {
+        return this.length_;
+      }
+    });
+  }
+
+  /**
+   * A setter for cues in this list. Creates getters
+   * an an index for the cues.
+   *
+   * @param {Array} cues
+   *        An array of cues to set
+   *
+   * @private
+   */
+
+
+  TextTrackCueList.prototype.setCues_ = function setCues_(cues) {
+    var oldLength = this.length || 0;
+    var i = 0;
+    var l = cues.length;
+
+    this.cues_ = cues;
+    this.length_ = cues.length;
+
+    var defineProp = function defineProp(index) {
+      if (!('' + index in this)) {
+        Object.defineProperty(this, '' + index, {
+          get: function get$$1() {
+            return this.cues_[index];
+          }
+        });
+      }
+    };
+
+    if (oldLength < l) {
+      i = oldLength;
+
+      for (; i < l; i++) {
+        defineProp.call(this, i);
+      }
+    }
+  };
+
+  /**
+   * Get a `TextTrackCue` that is currently in the `TextTrackCueList` by id.
+   *
+   * @param {string} id
+   *        The id of the cue that should be searched for.
+   *
+   * @return {TextTrackCueList~TextTrackCue|null}
+   *         A single cue or null if none was found.
+   */
+
+
+  TextTrackCueList.prototype.getCueById = function getCueById(id) {
+    var result = null;
+
+    for (var i = 0, l = this.length; i < l; i++) {
+      var cue = this[i];
+
+      if (cue.id === id) {
+        result = cue;
+        break;
+      }
+    }
+
+    return result;
+  };
+
+  return TextTrackCueList;
+}();
+
+/**
+ * @file track-kinds.js
+ */
+
+/**
+ * All possible `VideoTrackKind`s
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-videotrack-kind
+ * @typedef VideoTrack~Kind
+ * @enum
+ */
+var VideoTrackKind = {
+  alternative: 'alternative',
+  captions: 'captions',
+  main: 'main',
+  sign: 'sign',
+  subtitles: 'subtitles',
+  commentary: 'commentary'
+};
+
+/**
+ * All possible `AudioTrackKind`s
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-audiotrack-kind
+ * @typedef AudioTrack~Kind
+ * @enum
+ */
+var AudioTrackKind = {
+  'alternative': 'alternative',
+  'descriptions': 'descriptions',
+  'main': 'main',
+  'main-desc': 'main-desc',
+  'translation': 'translation',
+  'commentary': 'commentary'
+};
+
+/**
+ * All possible `TextTrackKind`s
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-texttrack-kind
+ * @typedef TextTrack~Kind
+ * @enum
+ */
+var TextTrackKind = {
+  subtitles: 'subtitles',
+  captions: 'captions',
+  descriptions: 'descriptions',
+  chapters: 'chapters',
+  metadata: 'metadata'
+};
+
+/**
+ * All possible `TextTrackMode`s
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackmode
+ * @typedef TextTrack~Mode
+ * @enum
+ */
+var TextTrackMode = {
+  disabled: 'disabled',
+  hidden: 'hidden',
+  showing: 'showing'
+};
+
+/**
+ * @file track.js
+ */
+
+/**
+ * A Track class that contains all of the common functionality for {@link AudioTrack},
+ * {@link VideoTrack}, and {@link TextTrack}.
+ *
+ * > Note: This class should not be used directly
+ *
+ * @see {@link https://html.spec.whatwg.org/multipage/embedded-content.html}
+ * @extends EventTarget
+ * @abstract
+ */
+
+var Track = function (_EventTarget) {
+  inherits(Track, _EventTarget);
+
+  /**
+   * Create an instance of this class.
+   *
+   * @param {Object} [options={}]
+   *        Object of option names and values
+   *
+   * @param {string} [options.kind='']
+   *        A valid kind for the track type you are creating.
+   *
+   * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
+   *        A unique id for this AudioTrack.
+   *
+   * @param {string} [options.label='']
+   *        The menu label for this track.
+   *
+   * @param {string} [options.language='']
+   *        A valid two character language code.
+   *
+   * @abstract
+   */
+  function Track() {
+    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+    classCallCheck(this, Track);
+
+    var _this = possibleConstructorReturn(this, _EventTarget.call(this));
+
+    var trackProps = {
+      id: options.id || 'vjs_track_' + newGUID(),
+      kind: options.kind || '',
+      label: options.label || '',
+      language: options.language || ''
+    };
+
+    /**
+     * @memberof Track
+     * @member {string} id
+     *         The id of this track. Cannot be changed after creation.
+     * @instance
+     *
+     * @readonly
+     */
+
+    /**
+     * @memberof Track
+     * @member {string} kind
+     *         The kind of track that this is. Cannot be changed after creation.
+     * @instance
+     *
+     * @readonly
+     */
+
+    /**
+     * @memberof Track
+     * @member {string} label
+     *         The label of this track. Cannot be changed after creation.
+     * @instance
+     *
+     * @readonly
+     */
+
+    /**
+     * @memberof Track
+     * @member {string} language
+     *         The two letter language code for this track. Cannot be changed after
+     *         creation.
+     * @instance
+     *
+     * @readonly
+     */
+
+    var _loop = function _loop(key) {
+      Object.defineProperty(_this, key, {
+        get: function get$$1() {
+          return trackProps[key];
+        },
+        set: function set$$1() {}
+      });
+    };
+
+    for (var key in trackProps) {
+      _loop(key);
+    }
+    return _this;
+  }
+
+  return Track;
+}(EventTarget);
+
+/**
+ * @file url.js
+ * @module url
+ */
+
+/**
+ * @typedef {Object} url:URLObject
+ *
+ * @property {string} protocol
+ *           The protocol of the url that was parsed.
+ *
+ * @property {string} hostname
+ *           The hostname of the url that was parsed.
+ *
+ * @property {string} port
+ *           The port of the url that was parsed.
+ *
+ * @property {string} pathname
+ *           The pathname of the url that was parsed.
+ *
+ * @property {string} search
+ *           The search query of the url that was parsed.
+ *
+ * @property {string} hash
+ *           The hash of the url that was parsed.
+ *
+ * @property {string} host
+ *           The host of the url that was parsed.
+ */
+
+/**
+ * Resolve and parse the elements of a URL.
+ *
+ * @param  {String} url
+ *         The url to parse
+ *
+ * @return {url:URLObject}
+ *         An object of url details
+ */
+var parseUrl = function parseUrl(url) {
+  var props = ['protocol', 'hostname', 'port', 'pathname', 'search', 'hash', 'host'];
+
+  // add the url to an anchor and let the browser parse the URL
+  var a = document.createElement('a');
+
+  a.href = url;
+
+  // IE8 (and 9?) Fix
+  // ie8 doesn't parse the URL correctly until the anchor is actually
+  // added to the body, and an innerHTML is needed to trigger the parsing
+  var addToBody = a.host === '' && a.protocol !== 'file:';
+  var div = void 0;
+
+  if (addToBody) {
+    div = document.createElement('div');
+    div.innerHTML = '<a href="' + url + '"></a>';
+    a = div.firstChild;
+    // prevent the div from affecting layout
+    div.setAttribute('style', 'display:none; position:absolute;');
+    document.body.appendChild(div);
+  }
+
+  // Copy the specific URL properties to a new object
+  // This is also needed for IE8 because the anchor loses its
+  // properties when it's removed from the dom
+  var details = {};
+
+  for (var i = 0; i < props.length; i++) {
+    details[props[i]] = a[props[i]];
+  }
+
+  // IE9 adds the port to the host property unlike everyone else. If
+  // a port identifier is added for standard ports, strip it.
+  if (details.protocol === 'http:') {
+    details.host = details.host.replace(/:80$/, '');
+  }
+
+  if (details.protocol === 'https:') {
+    details.host = details.host.replace(/:443$/, '');
+  }
+
+  if (!details.protocol) {
+    details.protocol = window$1.location.protocol;
+  }
+
+  if (addToBody) {
+    document.body.removeChild(div);
+  }
+
+  return details;
+};
+
+/**
+ * Get absolute version of relative URL. Used to tell flash correct URL.
+ *
+ *
+ * @param  {string} url
+ *         URL to make absolute
+ *
+ * @return {string}
+ *         Absolute URL
+ *
+ * @see http://stackoverflow.com/questions/470832/getting-an-absolute-url-from-a-relative-one-ie6-issue
+ */
+var getAbsoluteURL = function getAbsoluteURL(url) {
+  // Check if absolute URL
+  if (!url.match(/^https?:\/\//)) {
+    // Convert to absolute URL. Flash hosted off-site needs an absolute URL.
+    var div = document.createElement('div');
+
+    div.innerHTML = '<a href="' + url + '">x</a>';
+    url = div.firstChild.href;
+  }
+
+  return url;
+};
+
+/**
+ * Returns the extension of the passed file name. It will return an empty string
+ * if passed an invalid path.
+ *
+ * @param {string} path
+ *        The fileName path like '/path/to/file.mp4'
+ *
+ * @returns {string}
+ *          The extension in lower case or an empty string if no
+ *          extension could be found.
+ */
+var getFileExtension = function getFileExtension(path) {
+  if (typeof path === 'string') {
+    var splitPathRe = /^(\/?)([\s\S]*?)((?:\.{1,2}|[^\/]+?)(\.([^\.\/\?]+)))(?:[\/]*|[\?].*)$/i;
+    var pathParts = splitPathRe.exec(path);
+
+    if (pathParts) {
+      return pathParts.pop().toLowerCase();
+    }
+  }
+
+  return '';
+};
+
+/**
+ * Returns whether the url passed is a cross domain request or not.
+ *
+ * @param {string} url
+ *        The url to check.
+ *
+ * @return {boolean}
+ *         Whether it is a cross domain request or not.
+ */
+var isCrossOrigin = function isCrossOrigin(url) {
+  var winLoc = window$1.location;
+  var urlInfo = parseUrl(url);
+
+  // IE8 protocol relative urls will return ':' for protocol
+  var srcProtocol = urlInfo.protocol === ':' ? winLoc.protocol : urlInfo.protocol;
+
+  // Check if url is for another domain/origin
+  // IE8 doesn't know location.origin, so we won't rely on it here
+  var crossOrigin = srcProtocol + urlInfo.host !== winLoc.protocol + winLoc.host;
+
+  return crossOrigin;
+};
+
+var Url = /*#__PURE__*/Object.freeze({
+  parseUrl: parseUrl,
+  getAbsoluteURL: getAbsoluteURL,
+  getFileExtension: getFileExtension,
+  isCrossOrigin: isCrossOrigin
+});
+
+/**
+ * @file text-track.js
+ */
+
+/**
+ * Takes a webvtt file contents and parses it into cues
+ *
+ * @param {string} srcContent
+ *        webVTT file contents
+ *
+ * @param {TextTrack} track
+ *        TextTrack to add cues to. Cues come from the srcContent.
+ *
+ * @private
+ */
+var parseCues = function parseCues(srcContent, track) {
+  var parser = new window$1.WebVTT.Parser(window$1, window$1.vttjs, window$1.WebVTT.StringDecoder());
+  var errors = [];
+
+  parser.oncue = function (cue) {
+    track.addCue(cue);
+  };
+
+  parser.onparsingerror = function (error) {
+    errors.push(error);
+  };
+
+  parser.onflush = function () {
+    track.trigger({
+      type: 'loadeddata',
+      target: track
+    });
+  };
+
+  parser.parse(srcContent);
+  if (errors.length > 0) {
+    if (window$1.console && window$1.console.groupCollapsed) {
+      window$1.console.groupCollapsed('Text Track parsing errors for ' + track.src);
+    }
+    errors.forEach(function (error) {
+      return log$1.error(error);
+    });
+    if (window$1.console && window$1.console.groupEnd) {
+      window$1.console.groupEnd();
+    }
+  }
+
+  parser.flush();
+};
+
+/**
+ * Load a `TextTrack` from a specified url.
+ *
+ * @param {string} src
+ *        Url to load track from.
+ *
+ * @param {TextTrack} track
+ *        Track to add cues to. Comes from the content at the end of `url`.
+ *
+ * @private
+ */
+var loadTrack = function loadTrack(src, track) {
+  var opts = {
+    uri: src
+  };
+  var crossOrigin = isCrossOrigin(src);
+
+  if (crossOrigin) {
+    opts.cors = crossOrigin;
+  }
+
+  xhr(opts, bind(this, function (err, response, responseBody) {
+    if (err) {
+      return log$1.error(err, response);
+    }
+
+    track.loaded_ = true;
+
+    // Make sure that vttjs has loaded, otherwise, wait till it finished loading
+    // NOTE: this is only used for the alt/video.novtt.js build
+    if (typeof window$1.WebVTT !== 'function') {
+      if (track.tech_) {
+        var loadHandler = function loadHandler() {
+          return parseCues(responseBody, track);
+        };
+
+        track.tech_.on('vttjsloaded', loadHandler);
+        track.tech_.on('vttjserror', function () {
+          log$1.error('vttjs failed to load, stopping trying to process ' + track.src);
+          track.tech_.off('vttjsloaded', loadHandler);
+        });
+      }
+    } else {
+      parseCues(responseBody, track);
+    }
+  }));
+};
+
+/**
+ * A representation of a single `TextTrack`.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrack}
+ * @extends Track
+ */
+
+var TextTrack = function (_Track) {
+  inherits(TextTrack, _Track);
+
+  /**
+   * Create an instance of this class.
+   *
+   * @param {Object} options={}
+   *        Object of option names and values
+   *
+   * @param {Tech} options.tech
+   *        A reference to the tech that owns this TextTrack.
+   *
+   * @param {TextTrack~Kind} [options.kind='subtitles']
+   *        A valid text track kind.
+   *
+   * @param {TextTrack~Mode} [options.mode='disabled']
+   *        A valid text track mode.
+   *
+   * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
+   *        A unique id for this TextTrack.
+   *
+   * @param {string} [options.label='']
+   *        The menu label for this track.
+   *
+   * @param {string} [options.language='']
+   *        A valid two character language code.
+   *
+   * @param {string} [options.srclang='']
+   *        A valid two character language code. An alternative, but deprioritized
+   *        version of `options.language`
+   *
+   * @param {string} [options.src]
+   *        A url to TextTrack cues.
+   *
+   * @param {boolean} [options.default]
+   *        If this track should default to on or off.
+   */
+  function TextTrack() {
+    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+    classCallCheck(this, TextTrack);
+
+    if (!options.tech) {
+      throw new Error('A tech was not provided.');
+    }
+
+    var settings = mergeOptions(options, {
+      kind: TextTrackKind[options.kind] || 'subtitles',
+      language: options.language || options.srclang || ''
+    });
+    var mode = TextTrackMode[settings.mode] || 'disabled';
+    var default_ = settings.default;
+
+    if (settings.kind === 'metadata' || settings.kind === 'chapters') {
+      mode = 'hidden';
+    }
+
+    var _this = possibleConstructorReturn(this, _Track.call(this, settings));
+
+    _this.tech_ = settings.tech;
+
+    _this.cues_ = [];
+    _this.activeCues_ = [];
+
+    var cues = new TextTrackCueList(_this.cues_);
+    var activeCues = new TextTrackCueList(_this.activeCues_);
+    var changed = false;
+    var timeupdateHandler = bind(_this, function () {
+
+      // Accessing this.activeCues for the side-effects of updating itself
+      // due to it's nature as a getter function. Do not remove or cues will
+      // stop updating!
+      // Use the setter to prevent deletion from uglify (pure_getters rule)
+      this.activeCues = this.activeCues;
+      if (changed) {
+        this.trigger('cuechange');
+        changed = false;
+      }
+    });
+
+    if (mode !== 'disabled') {
+      _this.tech_.ready(function () {
+        _this.tech_.on('timeupdate', timeupdateHandler);
+      }, true);
+    }
+
+    Object.defineProperties(_this, {
+      /**
+       * @memberof TextTrack
+       * @member {boolean} default
+       *         If this track was set to be on or off by default. Cannot be changed after
+       *         creation.
+       * @instance
+       *
+       * @readonly
+       */
+      default: {
+        get: function get$$1() {
+          return default_;
+        },
+        set: function set$$1() {}
+      },
+
+      /**
+       * @memberof TextTrack
+       * @member {string} mode
+       *         Set the mode of this TextTrack to a valid {@link TextTrack~Mode}. Will
+       *         not be set if setting to an invalid mode.
+       * @instance
+       *
+       * @fires TextTrack#modechange
+       */
+      mode: {
+        get: function get$$1() {
+          return mode;
+        },
+        set: function set$$1(newMode) {
+          var _this2 = this;
+
+          if (!TextTrackMode[newMode]) {
+            return;
+          }
+          mode = newMode;
+          if (mode !== 'disabled') {
+            this.tech_.ready(function () {
+              _this2.tech_.on('timeupdate', timeupdateHandler);
+            }, true);
+          } else {
+            this.tech_.off('timeupdate', timeupdateHandler);
+          }
+          /**
+           * An event that fires when mode changes on this track. This allows
+           * the TextTrackList that holds this track to act accordingly.
+           *
+           * > Note: This is not part of the spec!
+           *
+           * @event TextTrack#modechange
+           * @type {EventTarget~Event}
+           */
+          this.trigger('modechange');
+        }
+      },
+
+      /**
+       * @memberof TextTrack
+       * @member {TextTrackCueList} cues
+       *         The text track cue list for this TextTrack.
+       * @instance
+       */
+      cues: {
+        get: function get$$1() {
+          if (!this.loaded_) {
+            return null;
+          }
+
+          return cues;
+        },
+        set: function set$$1() {}
+      },
+
+      /**
+       * @memberof TextTrack
+       * @member {TextTrackCueList} activeCues
+       *         The list text track cues that are currently active for this TextTrack.
+       * @instance
+       */
+      activeCues: {
+        get: function get$$1() {
+          if (!this.loaded_) {
+            return null;
+          }
+
+          // nothing to do
+          if (this.cues.length === 0) {
+            return activeCues;
+          }
+
+          var ct = this.tech_.currentTime();
+          var active = [];
+
+          for (var i = 0, l = this.cues.length; i < l; i++) {
+            var cue = this.cues[i];
+
+            if (cue.startTime <= ct && cue.endTime >= ct) {
+              active.push(cue);
+            } else if (cue.startTime === cue.endTime && cue.startTime <= ct && cue.startTime + 0.5 >= ct) {
+              active.push(cue);
+            }
+          }
+
+          changed = false;
+
+          if (active.length !== this.activeCues_.length) {
+            changed = true;
+          } else {
+            for (var _i = 0; _i < active.length; _i++) {
+              if (this.activeCues_.indexOf(active[_i]) === -1) {
+                changed = true;
+              }
+            }
+          }
+
+          this.activeCues_ = active;
+          activeCues.setCues_(this.activeCues_);
+
+          return activeCues;
+        },
+
+
+        // /!\ Keep this setter empty (see the timeupdate handler above)
+        set: function set$$1() {}
+      }
+    });
+
+    if (settings.src) {
+      _this.src = settings.src;
+      loadTrack(settings.src, _this);
+    } else {
+      _this.loaded_ = true;
+    }
+    return _this;
+  }
+
+  /**
+   * Add a cue to the internal list of cues.
+   *
+   * @param {TextTrack~Cue} cue
+   *        The cue to add to our internal list
+   */
+
+
+  TextTrack.prototype.addCue = function addCue(originalCue) {
+    var cue = originalCue;
+
+    if (window$1.vttjs && !(originalCue instanceof window$1.vttjs.VTTCue)) {
+      cue = new window$1.vttjs.VTTCue(originalCue.startTime, originalCue.endTime, originalCue.text);
+
+      for (var prop in originalCue) {
+        if (!(prop in cue)) {
+          cue[prop] = originalCue[prop];
+        }
+      }
+
+      // make sure that `id` is copied over
+      cue.id = originalCue.id;
+      cue.originalCue_ = originalCue;
+    }
+
+    var tracks = this.tech_.textTracks();
+
+    for (var i = 0; i < tracks.length; i++) {
+      if (tracks[i] !== this) {
+        tracks[i].removeCue(cue);
+      }
+    }
+
+    this.cues_.push(cue);
+    this.cues.setCues_(this.cues_);
+  };
+
+  /**
+   * Remove a cue from our internal list
+   *
+   * @param {TextTrack~Cue} removeCue
+   *        The cue to remove from our internal list
+   */
+
+
+  TextTrack.prototype.removeCue = function removeCue(_removeCue) {
+    var i = this.cues_.length;
+
+    while (i--) {
+      var cue = this.cues_[i];
+
+      if (cue === _removeCue || cue.originalCue_ && cue.originalCue_ === _removeCue) {
+        this.cues_.splice(i, 1);
+        this.cues.setCues_(this.cues_);
+        break;
+      }
+    }
+  };
+
+  return TextTrack;
+}(Track);
+
+/**
+ * cuechange - One or more cues in the track have become active or stopped being active.
+ */
+
+
+TextTrack.prototype.allowedEvents_ = {
+  cuechange: 'cuechange'
+};
+
+/**
+ * A representation of a single `AudioTrack`. If it is part of an {@link AudioTrackList}
+ * only one `AudioTrack` in the list will be enabled at a time.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotrack}
+ * @extends Track
+ */
+
+var AudioTrack = function (_Track) {
+  inherits(AudioTrack, _Track);
+
+  /**
+   * Create an instance of this class.
+   *
+   * @param {Object} [options={}]
+   *        Object of option names and values
+   *
+   * @param {AudioTrack~Kind} [options.kind='']
+   *        A valid audio track kind
+   *
+   * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
+   *        A unique id for this AudioTrack.
+   *
+   * @param {string} [options.label='']
+   *        The menu label for this track.
+   *
+   * @param {string} [options.language='']
+   *        A valid two character language code.
+   *
+   * @param {boolean} [options.enabled]
+   *        If this track is the one that is currently playing. If this track is part of
+   *        an {@link AudioTrackList}, only one {@link AudioTrack} will be enabled.
+   */
+  function AudioTrack() {
+    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+    classCallCheck(this, AudioTrack);
+
+    var settings = mergeOptions(options, {
+      kind: AudioTrackKind[options.kind] || ''
+    });
+
+    var _this = possibleConstructorReturn(this, _Track.call(this, settings));
+
+    var enabled = false;
+
+    /**
+     * @memberof AudioTrack
+     * @member {boolean} enabled
+     *         If this `AudioTrack` is enabled or not. When setting this will
+     *         fire {@link AudioTrack#enabledchange} if the state of enabled is changed.
+     * @instance
+     *
+     * @fires VideoTrack#selectedchange
+     */
+    Object.defineProperty(_this, 'enabled', {
+      get: function get$$1() {
+        return enabled;
+      },
+      set: function set$$1(newEnabled) {
+        // an invalid or unchanged value
+        if (typeof newEnabled !== 'boolean' || newEnabled === enabled) {
+          return;
+        }
+        enabled = newEnabled;
+
+        /**
+         * An event that fires when enabled changes on this track. This allows
+         * the AudioTrackList that holds this track to act accordingly.
+         *
+         * > Note: This is not part of the spec! Native tracks will do
+         *         this internally without an event.
+         *
+         * @event AudioTrack#enabledchange
+         * @type {EventTarget~Event}
+         */
+        this.trigger('enabledchange');
+      }
+    });
+
+    // if the user sets this track to selected then
+    // set selected to that true value otherwise
+    // we keep it false
+    if (settings.enabled) {
+      _this.enabled = settings.enabled;
+    }
+    _this.loaded_ = true;
+    return _this;
+  }
+
+  return AudioTrack;
+}(Track);
+
+/**
+ * A representation of a single `VideoTrack`.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotrack}
+ * @extends Track
+ */
+
+var VideoTrack = function (_Track) {
+  inherits(VideoTrack, _Track);
+
+  /**
+   * Create an instance of this class.
+   *
+   * @param {Object} [options={}]
+   *        Object of option names and values
+   *
+   * @param {string} [options.kind='']
+   *        A valid {@link VideoTrack~Kind}
+   *
+   * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
+   *        A unique id for this AudioTrack.
+   *
+   * @param {string} [options.label='']
+   *        The menu label for this track.
+   *
+   * @param {string} [options.language='']
+   *        A valid two character language code.
+   *
+   * @param {boolean} [options.selected]
+   *        If this track is the one that is currently playing.
+   */
+  function VideoTrack() {
+    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+    classCallCheck(this, VideoTrack);
+
+    var settings = mergeOptions(options, {
+      kind: VideoTrackKind[options.kind] || ''
+    });
+
+    var _this = possibleConstructorReturn(this, _Track.call(this, settings));
+
+    var selected = false;
+
+    /**
+     * @memberof VideoTrack
+     * @member {boolean} selected
+     *         If this `VideoTrack` is selected or not. When setting this will
+     *         fire {@link VideoTrack#selectedchange} if the state of selected changed.
+     * @instance
+     *
+     * @fires VideoTrack#selectedchange
+     */
+    Object.defineProperty(_this, 'selected', {
+      get: function get$$1() {
+        return selected;
+      },
+      set: function set$$1(newSelected) {
+        // an invalid or unchanged value
+        if (typeof newSelected !== 'boolean' || newSelected === selected) {
+          return;
+        }
+        selected = newSelected;
+
+        /**
+         * An event that fires when selected changes on this track. This allows
+         * the VideoTrackList that holds this track to act accordingly.
+         *
+         * > Note: This is not part of the spec! Native tracks will do
+         *         this internally without an event.
+         *
+         * @event VideoTrack#selectedchange
+         * @type {EventTarget~Event}
+         */
+        this.trigger('selectedchange');
+      }
+    });
+
+    // if the user sets this track to selected then
+    // set selected to that true value otherwise
+    // we keep it false
+    if (settings.selected) {
+      _this.selected = settings.selected;
+    }
+    return _this;
+  }
+
+  return VideoTrack;
+}(Track);
+
+/**
+ * @file html-track-element.js
+ */
+
+/**
+ * @memberof HTMLTrackElement
+ * @typedef {HTMLTrackElement~ReadyState}
+ * @enum {number}
+ */
+var NONE = 0;
+var LOADING = 1;
+var LOADED = 2;
+var ERROR = 3;
+
+/**
+ * A single track represented in the DOM.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#htmltrackelement}
+ * @extends EventTarget
+ */
+
+var HTMLTrackElement = function (_EventTarget) {
+  inherits(HTMLTrackElement, _EventTarget);
+
+  /**
+   * Create an instance of this class.
+   *
+   * @param {Object} options={}
+   *        Object of option names and values
+   *
+   * @param {Tech} options.tech
+   *        A reference to the tech that owns this HTMLTrackElement.
+   *
+   * @param {TextTrack~Kind} [options.kind='subtitles']
+   *        A valid text track kind.
+   *
+   * @param {TextTrack~Mode} [options.mode='disabled']
+   *        A valid text track mode.
+   *
+   * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
+   *        A unique id for this TextTrack.
+   *
+   * @param {string} [options.label='']
+   *        The menu label for this track.
+   *
+   * @param {string} [options.language='']
+   *        A valid two character language code.
+   *
+   * @param {string} [options.srclang='']
+   *        A valid two character language code. An alternative, but deprioritized
+   *        vesion of `options.language`
+   *
+   * @param {string} [options.src]
+   *        A url to TextTrack cues.
+   *
+   * @param {boolean} [options.default]
+   *        If this track should default to on or off.
+   */
+  function HTMLTrackElement() {
+    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+    classCallCheck(this, HTMLTrackElement);
+
+    var _this = possibleConstructorReturn(this, _EventTarget.call(this));
+
+    var readyState = void 0;
+
+    var track = new TextTrack(options);
+
+    _this.kind = track.kind;
+    _this.src = track.src;
+    _this.srclang = track.language;
+    _this.label = track.label;
+    _this.default = track.default;
+
+    Object.defineProperties(_this, {
+
+      /**
+       * @memberof HTMLTrackElement
+       * @member {HTMLTrackElement~ReadyState} readyState
+       *         The current ready state of the track element.
+       * @instance
+       */
+      readyState: {
+        get: function get$$1() {
+          return readyState;
+        }
+      },
+
+      /**
+       * @memberof HTMLTrackElement
+       * @member {TextTrack} track
+       *         The underlying TextTrack object.
+       * @instance
+       *
+       */
+      track: {
+        get: function get$$1() {
+          return track;
+        }
+      }
+    });
+
+    readyState = NONE;
+
+    /**
+     * @listens TextTrack#loadeddata
+     * @fires HTMLTrackElement#load
+     */
+    track.addEventListener('loadeddata', function () {
+      readyState = LOADED;
+
+      _this.trigger({
+        type: 'load',
+        target: _this
+      });
+    });
+    return _this;
+  }
+
+  return HTMLTrackElement;
+}(EventTarget);
+
+HTMLTrackElement.prototype.allowedEvents_ = {
+  load: 'load'
+};
+
+HTMLTrackElement.NONE = NONE;
+HTMLTrackElement.LOADING = LOADING;
+HTMLTrackElement.LOADED = LOADED;
+HTMLTrackElement.ERROR = ERROR;
+
+/*
+ * This file contains all track properties that are used in
+ * player.js, tech.js, html5.js and possibly other techs in the future.
+ */
+
+var NORMAL = {
+  audio: {
+    ListClass: AudioTrackList,
+    TrackClass: AudioTrack,
+    capitalName: 'Audio'
+  },
+  video: {
+    ListClass: VideoTrackList,
+    TrackClass: VideoTrack,
+    capitalName: 'Video'
+  },
+  text: {
+    ListClass: TextTrackList,
+    TrackClass: TextTrack,
+    capitalName: 'Text'
+  }
+};
+
+Object.keys(NORMAL).forEach(function (type) {
+  NORMAL[type].getterName = type + 'Tracks';
+  NORMAL[type].privateName = type + 'Tracks_';
+});
+
+var REMOTE = {
+  remoteText: {
+    ListClass: TextTrackList,
+    TrackClass: TextTrack,
+    capitalName: 'RemoteText',
+    getterName: 'remoteTextTracks',
+    privateName: 'remoteTextTracks_'
+  },
+  remoteTextEl: {
+    ListClass: HtmlTrackElementList,
+    TrackClass: HTMLTrackElement,
+    capitalName: 'RemoteTextTrackEls',
+    getterName: 'remoteTextTrackEls',
+    privateName: 'remoteTextTrackEls_'
+  }
+};
+
+var ALL = mergeOptions(NORMAL, REMOTE);
+
+REMOTE.names = Object.keys(REMOTE);
+NORMAL.names = Object.keys(NORMAL);
+ALL.names = [].concat(REMOTE.names).concat(NORMAL.names);
+
+/**
+ * @file tech.js
+ */
+
+/**
+ * An Object containing a structure like: `{src: 'url', type: 'mimetype'}` or string
+ * that just contains the src url alone.
+ * * `var SourceObject = {src: 'http://ex.com/video.mp4', type: 'video/mp4'};`
+   * `var SourceString = 'http://example.com/some-video.mp4';`
+ *
+ * @typedef {Object|string} Tech~SourceObject
+ *
+ * @property {string} src
+ *           The url to the source
+ *
+ * @property {string} type
+ *           The mime type of the source
+ */
+
+/**
+ * A function used by {@link Tech} to create a new {@link TextTrack}.
+ *
+ * @private
+ *
+ * @param {Tech} self
+ *        An instance of the Tech class.
+ *
+ * @param {string} kind
+ *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
+ *
+ * @param {string} [label]
+ *        Label to identify the text track
+ *
+ * @param {string} [language]
+ *        Two letter language abbreviation
+ *
+ * @param {Object} [options={}]
+ *        An object with additional text track options
+ *
+ * @return {TextTrack}
+ *          The text track that was created.
+ */
+function createTrackHelper(self, kind, label, language) {
+  var options = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {};
+
+  var tracks = self.textTracks();
+
+  options.kind = kind;
+
+  if (label) {
+    options.label = label;
+  }
+  if (language) {
+    options.language = language;
+  }
+  options.tech = self;
+
+  var track = new ALL.text.TrackClass(options);
+
+  tracks.addTrack(track);
+
+  return track;
+}
+
+/**
+ * This is the base class for media playback technology controllers, such as
+ * {@link Flash} and {@link HTML5}
+ *
+ * @extends Component
+ */
+
+var Tech = function (_Component) {
+  inherits(Tech, _Component);
+
+  /**
+   * Create an instance of this Tech.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   *
+   * @param {Component~ReadyCallback} ready
+   *        Callback function to call when the `HTML5` Tech is ready.
+   */
+  function Tech() {
+    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+    var ready = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : function () {};
+    classCallCheck(this, Tech);
+
+    // we don't want the tech to report user activity automatically.
+    // This is done manually in addControlsListeners
+    options.reportTouchActivity = false;
+
+    // keep track of whether the current source has played at all to
+    // implement a very limited played()
+    var _this = possibleConstructorReturn(this, _Component.call(this, null, options, ready));
+
+    _this.hasStarted_ = false;
+    _this.on('playing', function () {
+      this.hasStarted_ = true;
+    });
+    _this.on('loadstart', function () {
+      this.hasStarted_ = false;
+    });
+
+    ALL.names.forEach(function (name) {
+      var props = ALL[name];
+
+      if (options && options[props.getterName]) {
+        _this[props.privateName] = options[props.getterName];
+      }
+    });
+
+    // Manually track progress in cases where the browser/flash player doesn't report it.
+    if (!_this.featuresProgressEvents) {
+      _this.manualProgressOn();
+    }
+
+    // Manually track timeupdates in cases where the browser/flash player doesn't report it.
+    if (!_this.featuresTimeupdateEvents) {
+      _this.manualTimeUpdatesOn();
+    }
+
+    ['Text', 'Audio', 'Video'].forEach(function (track) {
+      if (options['native' + track + 'Tracks'] === false) {
+        _this['featuresNative' + track + 'Tracks'] = false;
+      }
+    });
+
+    if (options.nativeCaptions === false || options.nativeTextTracks === false) {
+      _this.featuresNativeTextTracks = false;
+    } else if (options.nativeCaptions === true || options.nativeTextTracks === true) {
+      _this.featuresNativeTextTracks = true;
+    }
+
+    if (!_this.featuresNativeTextTracks) {
+      _this.emulateTextTracks();
+    }
+
+    _this.autoRemoteTextTracks_ = new ALL.text.ListClass();
+
+    _this.initTrackListeners();
+
+    // Turn on component tap events only if not using native controls
+    if (!options.nativeControlsForTouch) {
+      _this.emitTapEvents();
+    }
+
+    if (_this.constructor) {
+      _this.name_ = _this.constructor.name || 'Unknown Tech';
+    }
+    return _this;
+  }
+
+  /**
+   * A special function to trigger source set in a way that will allow player
+   * to re-trigger if the player or tech are not ready yet.
+   *
+   * @fires Tech#sourceset
+   * @param {string} src The source string at the time of the source changing.
+   */
+
+
+  Tech.prototype.triggerSourceset = function triggerSourceset(src) {
+    var _this2 = this;
+
+    if (!this.isReady_) {
+      // on initial ready we have to trigger source set
+      // 1ms after ready so that player can watch for it.
+      this.one('ready', function () {
+        return _this2.setTimeout(function () {
+          return _this2.triggerSourceset(src);
+        }, 1);
+      });
+    }
+
+    /**
+     * Fired when the source is set on the tech causing the media element
+     * to reload.
+     *
+     * @see {@link Player#event:sourceset}
+     * @event Tech#sourceset
+     * @type {EventTarget~Event}
+     */
+    this.trigger({
+      src: src,
+      type: 'sourceset'
+    });
+  };
+
+  /* Fallbacks for unsupported event types
+  ================================================================================ */
+
+  /**
+   * Polyfill the `progress` event for browsers that don't support it natively.
+   *
+   * @see {@link Tech#trackProgress}
+   */
+
+
+  Tech.prototype.manualProgressOn = function manualProgressOn() {
+    this.on('durationchange', this.onDurationChange);
+
+    this.manualProgress = true;
+
+    // Trigger progress watching when a source begins loading
+    this.one('ready', this.trackProgress);
+  };
+
+  /**
+   * Turn off the polyfill for `progress` events that was created in
+   * {@link Tech#manualProgressOn}
+   */
+
+
+  Tech.prototype.manualProgressOff = function manualProgressOff() {
+    this.manualProgress = false;
+    this.stopTrackingProgress();
+
+    this.off('durationchange', this.onDurationChange);
+  };
+
+  /**
+   * This is used to trigger a `progress` event when the buffered percent changes. It
+   * sets an interval function that will be called every 500 milliseconds to check if the
+   * buffer end percent has changed.
+   *
+   * > This function is called by {@link Tech#manualProgressOn}
+   *
+   * @param {EventTarget~Event} event
+   *        The `ready` event that caused this to run.
+   *
+   * @listens Tech#ready
+   * @fires Tech#progress
+   */
+
+
+  Tech.prototype.trackProgress = function trackProgress(event) {
+    this.stopTrackingProgress();
+    this.progressInterval = this.setInterval(bind(this, function () {
+      // Don't trigger unless buffered amount is greater than last time
+
+      var numBufferedPercent = this.bufferedPercent();
+
+      if (this.bufferedPercent_ !== numBufferedPercent) {
+        /**
+         * See {@link Player#progress}
+         *
+         * @event Tech#progress
+         * @type {EventTarget~Event}
+         */
+        this.trigger('progress');
+      }
+
+      this.bufferedPercent_ = numBufferedPercent;
+
+      if (numBufferedPercent === 1) {
+        this.stopTrackingProgress();
+      }
+    }), 500);
+  };
+
+  /**
+   * Update our internal duration on a `durationchange` event by calling
+   * {@link Tech#duration}.
+   *
+   * @param {EventTarget~Event} event
+   *        The `durationchange` event that caused this to run.
+   *
+   * @listens Tech#durationchange
+   */
+
+
+  Tech.prototype.onDurationChange = function onDurationChange(event) {
+    this.duration_ = this.duration();
+  };
+
+  /**
+   * Get and create a `TimeRange` object for buffering.
+   *
+   * @return {TimeRange}
+   *         The time range object that was created.
+   */
+
+
+  Tech.prototype.buffered = function buffered() {
+    return createTimeRanges(0, 0);
+  };
+
+  /**
+   * Get the percentage of the current video that is currently buffered.
+   *
+   * @return {number}
+   *         A number from 0 to 1 that represents the decimal percentage of the
+   *         video that is buffered.
+   *
+   */
+
+
+  Tech.prototype.bufferedPercent = function bufferedPercent$$1() {
+    return bufferedPercent(this.buffered(), this.duration_);
+  };
+
+  /**
+   * Turn off the polyfill for `progress` events that was created in
+   * {@link Tech#manualProgressOn}
+   * Stop manually tracking progress events by clearing the interval that was set in
+   * {@link Tech#trackProgress}.
+   */
+
+
+  Tech.prototype.stopTrackingProgress = function stopTrackingProgress() {
+    this.clearInterval(this.progressInterval);
+  };
+
+  /**
+   * Polyfill the `timeupdate` event for browsers that don't support it.
+   *
+   * @see {@link Tech#trackCurrentTime}
+   */
+
+
+  Tech.prototype.manualTimeUpdatesOn = function manualTimeUpdatesOn() {
+    this.manualTimeUpdates = true;
+
+    this.on('play', this.trackCurrentTime);
+    this.on('pause', this.stopTrackingCurrentTime);
+  };
+
+  /**
+   * Turn off the polyfill for `timeupdate` events that was created in
+   * {@link Tech#manualTimeUpdatesOn}
+   */
+
+
+  Tech.prototype.manualTimeUpdatesOff = function manualTimeUpdatesOff() {
+    this.manualTimeUpdates = false;
+    this.stopTrackingCurrentTime();
+    this.off('play', this.trackCurrentTime);
+    this.off('pause', this.stopTrackingCurrentTime);
+  };
+
+  /**
+   * Sets up an interval function to track current time and trigger `timeupdate` every
+   * 250 milliseconds.
+   *
+   * @listens Tech#play
+   * @triggers Tech#timeupdate
+   */
+
+
+  Tech.prototype.trackCurrentTime = function trackCurrentTime() {
+    if (this.currentTimeInterval) {
+      this.stopTrackingCurrentTime();
+    }
+    this.currentTimeInterval = this.setInterval(function () {
+      /**
+       * Triggered at an interval of 250ms to indicated that time is passing in the video.
+       *
+       * @event Tech#timeupdate
+       * @type {EventTarget~Event}
+       */
+      this.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true });
+
+      // 42 = 24 fps // 250 is what Webkit uses // FF uses 15
+    }, 250);
+  };
+
+  /**
+   * Stop the interval function created in {@link Tech#trackCurrentTime} so that the
+   * `timeupdate` event is no longer triggered.
+   *
+   * @listens {Tech#pause}
+   */
+
+
+  Tech.prototype.stopTrackingCurrentTime = function stopTrackingCurrentTime() {
+    this.clearInterval(this.currentTimeInterval);
+
+    // #1002 - if the video ends right before the next timeupdate would happen,
+    // the progress bar won't make it all the way to the end
+    this.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true });
+  };
+
+  /**
+   * Turn off all event polyfills, clear the `Tech`s {@link AudioTrackList},
+   * {@link VideoTrackList}, and {@link TextTrackList}, and dispose of this Tech.
+   *
+   * @fires Component#dispose
+   */
+
+
+  Tech.prototype.dispose = function dispose() {
+
+    // clear out all tracks because we can't reuse them between techs
+    this.clearTracks(NORMAL.names);
+
+    // Turn off any manual progress or timeupdate tracking
+    if (this.manualProgress) {
+      this.manualProgressOff();
+    }
+
+    if (this.manualTimeUpdates) {
+      this.manualTimeUpdatesOff();
+    }
+
+    _Component.prototype.dispose.call(this);
+  };
+
+  /**
+   * Clear out a single `TrackList` or an array of `TrackLists` given their names.
+   *
+   * > Note: Techs without source handlers should call this between sources for `video`
+   *         & `audio` tracks. You don't want to use them between tracks!
+   *
+   * @param {string[]|string} types
+   *        TrackList names to clear, valid names are `video`, `audio`, and
+   *        `text`.
+   */
+
+
+  Tech.prototype.clearTracks = function clearTracks(types) {
+    var _this3 = this;
+
+    types = [].concat(types);
+    // clear out all tracks because we can't reuse them between techs
+    types.forEach(function (type) {
+      var list = _this3[type + 'Tracks']() || [];
+      var i = list.length;
+
+      while (i--) {
+        var track = list[i];
+
+        if (type === 'text') {
+          _this3.removeRemoteTextTrack(track);
+        }
+        list.removeTrack(track);
+      }
+    });
+  };
+
+  /**
+   * Remove any TextTracks added via addRemoteTextTrack that are
+   * flagged for automatic garbage collection
+   */
+
+
+  Tech.prototype.cleanupAutoTextTracks = function cleanupAutoTextTracks() {
+    var list = this.autoRemoteTextTracks_ || [];
+    var i = list.length;
+
+    while (i--) {
+      var track = list[i];
+
+      this.removeRemoteTextTrack(track);
+    }
+  };
+
+  /**
+   * Reset the tech, which will removes all sources and reset the internal readyState.
+   *
+   * @abstract
+   */
+
+
+  Tech.prototype.reset = function reset() {};
+
+  /**
+   * Get or set an error on the Tech.
+   *
+   * @param {MediaError} [err]
+   *        Error to set on the Tech
+   *
+   * @return {MediaError|null}
+   *         The current error object on the tech, or null if there isn't one.
+   */
+
+
+  Tech.prototype.error = function error(err) {
+    if (err !== undefined) {
+      this.error_ = new MediaError(err);
+      this.trigger('error');
+    }
+    return this.error_;
+  };
+
+  /**
+   * Returns the `TimeRange`s that have been played through for the current source.
+   *
+   * > NOTE: This implementation is incomplete. It does not track the played `TimeRange`.
+   *         It only checks whether the source has played at all or not.
+   *
+   * @return {TimeRange}
+   *         - A single time range if this video has played
+   *         - An empty set of ranges if not.
+   */
+
+
+  Tech.prototype.played = function played() {
+    if (this.hasStarted_) {
+      return createTimeRanges(0, 0);
+    }
+    return createTimeRanges();
+  };
+
+  /**
+   * Causes a manual time update to occur if {@link Tech#manualTimeUpdatesOn} was
+   * previously called.
+   *
+   * @fires Tech#timeupdate
+   */
+
+
+  Tech.prototype.setCurrentTime = function setCurrentTime() {
+    // improve the accuracy of manual timeupdates
+    if (this.manualTimeUpdates) {
+      /**
+       * A manual `timeupdate` event.
+       *
+       * @event Tech#timeupdate
+       * @type {EventTarget~Event}
+       */
+      this.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true });
+    }
+  };
+
+  /**
+   * Turn on listeners for {@link VideoTrackList}, {@link {AudioTrackList}, and
+   * {@link TextTrackList} events.
+   *
+   * This adds {@link EventTarget~EventListeners} for `addtrack`, and  `removetrack`.
+   *
+   * @fires Tech#audiotrackchange
+   * @fires Tech#videotrackchange
+   * @fires Tech#texttrackchange
+   */
+
+
+  Tech.prototype.initTrackListeners = function initTrackListeners() {
+    var _this4 = this;
+
+    /**
+     * Triggered when tracks are added or removed on the Tech {@link AudioTrackList}
+     *
+     * @event Tech#audiotrackchange
+     * @type {EventTarget~Event}
+     */
+
+    /**
+     * Triggered when tracks are added or removed on the Tech {@link VideoTrackList}
+     *
+     * @event Tech#videotrackchange
+     * @type {EventTarget~Event}
+     */
+
+    /**
+     * Triggered when tracks are added or removed on the Tech {@link TextTrackList}
+     *
+     * @event Tech#texttrackchange
+     * @type {EventTarget~Event}
+     */
+    NORMAL.names.forEach(function (name) {
+      var props = NORMAL[name];
+      var trackListChanges = function trackListChanges() {
+        _this4.trigger(name + 'trackchange');
+      };
+
+      var tracks = _this4[props.getterName]();
+
+      tracks.addEventListener('removetrack', trackListChanges);
+      tracks.addEventListener('addtrack', trackListChanges);
+
+      _this4.on('dispose', function () {
+        tracks.removeEventListener('removetrack', trackListChanges);
+        tracks.removeEventListener('addtrack', trackListChanges);
+      });
+    });
+  };
+
+  /**
+   * Emulate TextTracks using vtt.js if necessary
+   *
+   * @fires Tech#vttjsloaded
+   * @fires Tech#vttjserror
+   */
+
+
+  Tech.prototype.addWebVttScript_ = function addWebVttScript_() {
+    var _this5 = this;
+
+    if (window$1.WebVTT) {
+      return;
+    }
+
+    // Initially, Tech.el_ is a child of a dummy-div wait until the Component system
+    // signals that the Tech is ready at which point Tech.el_ is part of the DOM
+    // before inserting the WebVTT script
+    if (document.body.contains(this.el())) {
+
+      // load via require if available and vtt.js script location was not passed in
+      // as an option. novtt builds will turn the above require call into an empty object
+      // which will cause this if check to always fail.
+      if (!this.options_['vtt.js'] && isPlain(vtt) && Object.keys(vtt).length > 0) {
+        this.trigger('vttjsloaded');
+        return;
+      }
+
+      // load vtt.js via the script location option or the cdn of no location was
+      // passed in
+      var script = document.createElement('script');
+
+      script.src = this.options_['vtt.js'] || 'https://vjs.zencdn.net/vttjs/0.14.1/vtt.min.js';
+      script.onload = function () {
+        /**
+         * Fired when vtt.js is loaded.
+         *
+         * @event Tech#vttjsloaded
+         * @type {EventTarget~Event}
+         */
+        _this5.trigger('vttjsloaded');
+      };
+      script.onerror = function () {
+        /**
+         * Fired when vtt.js was not loaded due to an error
+         *
+         * @event Tech#vttjsloaded
+         * @type {EventTarget~Event}
+         */
+        _this5.trigger('vttjserror');
+      };
+      this.on('dispose', function () {
+        script.onload = null;
+        script.onerror = null;
+      });
+      // but have not loaded yet and we set it to true before the inject so that
+      // we don't overwrite the injected window.WebVTT if it loads right away
+      window$1.WebVTT = true;
+      this.el().parentNode.appendChild(script);
+    } else {
+      this.ready(this.addWebVttScript_);
+    }
+  };
+
+  /**
+   * Emulate texttracks
+   *
+   */
+
+
+  Tech.prototype.emulateTextTracks = function emulateTextTracks() {
+    var _this6 = this;
+
+    var tracks = this.textTracks();
+    var remoteTracks = this.remoteTextTracks();
+    var handleAddTrack = function handleAddTrack(e) {
+      return tracks.addTrack(e.track);
+    };
+    var handleRemoveTrack = function handleRemoveTrack(e) {
+      return tracks.removeTrack(e.track);
+    };
+
+    remoteTracks.on('addtrack', handleAddTrack);
+    remoteTracks.on('removetrack', handleRemoveTrack);
+
+    this.addWebVttScript_();
+
+    var updateDisplay = function updateDisplay() {
+      return _this6.trigger('texttrackchange');
+    };
+
+    var textTracksChanges = function textTracksChanges() {
+      updateDisplay();
+
+      for (var i = 0; i < tracks.length; i++) {
+        var track = tracks[i];
+
+        track.removeEventListener('cuechange', updateDisplay);
+        if (track.mode === 'showing') {
+          track.addEventListener('cuechange', updateDisplay);
+        }
+      }
+    };
+
+    textTracksChanges();
+    tracks.addEventListener('change', textTracksChanges);
+    tracks.addEventListener('addtrack', textTracksChanges);
+    tracks.addEventListener('removetrack', textTracksChanges);
+
+    this.on('dispose', function () {
+      remoteTracks.off('addtrack', handleAddTrack);
+      remoteTracks.off('removetrack', handleRemoveTrack);
+      tracks.removeEventListener('change', textTracksChanges);
+      tracks.removeEventListener('addtrack', textTracksChanges);
+      tracks.removeEventListener('removetrack', textTracksChanges);
+
+      for (var i = 0; i < tracks.length; i++) {
+        var track = tracks[i];
+
+        track.removeEventListener('cuechange', updateDisplay);
+      }
+    });
+  };
+
+  /**
+   * Create and returns a remote {@link TextTrack} object.
+   *
+   * @param {string} kind
+   *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
+   *
+   * @param {string} [label]
+   *        Label to identify the text track
+   *
+   * @param {string} [language]
+   *        Two letter language abbreviation
+   *
+   * @return {TextTrack}
+   *         The TextTrack that gets created.
+   */
+
+
+  Tech.prototype.addTextTrack = function addTextTrack(kind, label, language) {
+    if (!kind) {
+      throw new Error('TextTrack kind is required but was not provided');
+    }
+
+    return createTrackHelper(this, kind, label, language);
+  };
+
+  /**
+   * Create an emulated TextTrack for use by addRemoteTextTrack
+   *
+   * This is intended to be overridden by classes that inherit from
+   * Tech in order to create native or custom TextTracks.
+   *
+   * @param {Object} options
+   *        The object should contain the options to initialize the TextTrack with.
+   *
+   * @param {string} [options.kind]
+   *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).
+   *
+   * @param {string} [options.label].
+   *        Label to identify the text track
+   *
+   * @param {string} [options.language]
+   *        Two letter language abbreviation.
+   *
+   * @return {HTMLTrackElement}
+   *         The track element that gets created.
+   */
+
+
+  Tech.prototype.createRemoteTextTrack = function createRemoteTextTrack(options) {
+    var track = mergeOptions(options, {
+      tech: this
+    });
+
+    return new REMOTE.remoteTextEl.TrackClass(track);
+  };
+
+  /**
+   * Creates a remote text track object and returns an html track element.
+   *
+   * > Note: This can be an emulated {@link HTMLTrackElement} or a native one.
+   *
+   * @param {Object} options
+   *        See {@link Tech#createRemoteTextTrack} for more detailed properties.
+   *
+   * @param {boolean} [manualCleanup=true]
+   *        - When false: the TextTrack will be automatically removed from the video
+   *          element whenever the source changes
+   *        - When True: The TextTrack will have to be cleaned up manually
+   *
+   * @return {HTMLTrackElement}
+   *         An Html Track Element.
+   *
+   * @deprecated The default functionality for this function will be equivalent
+   *             to "manualCleanup=false" in the future. The manualCleanup parameter will
+   *             also be removed.
+   */
+
+
+  Tech.prototype.addRemoteTextTrack = function addRemoteTextTrack() {
+    var _this7 = this;
+
+    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+    var manualCleanup = arguments[1];
+
+    var htmlTrackElement = this.createRemoteTextTrack(options);
+
+    if (manualCleanup !== true && manualCleanup !== false) {
+      // deprecation warning
+      log$1.warn('Calling addRemoteTextTrack without explicitly setting the "manualCleanup" parameter to `true` is deprecated and default to `false` in future version of video.js');
+      manualCleanup = true;
+    }
+
+    // store HTMLTrackElement and TextTrack to remote list
+    this.remoteTextTrackEls().addTrackElement_(htmlTrackElement);
+    this.remoteTextTracks().addTrack(htmlTrackElement.track);
+
+    if (manualCleanup !== true) {
+      // create the TextTrackList if it doesn't exist
+      this.ready(function () {
+        return _this7.autoRemoteTextTracks_.addTrack(htmlTrackElement.track);
+      });
+    }
+
+    return htmlTrackElement;
+  };
+
+  /**
+   * Remove a remote text track from the remote `TextTrackList`.
+   *
+   * @param {TextTrack} track
+   *        `TextTrack` to remove from the `TextTrackList`
+   */
+
+
+  Tech.prototype.removeRemoteTextTrack = function removeRemoteTextTrack(track) {
+    var trackElement = this.remoteTextTrackEls().getTrackElementByTrack_(track);
+
+    // remove HTMLTrackElement and TextTrack from remote list
+    this.remoteTextTrackEls().removeTrackElement_(trackElement);
+    this.remoteTextTracks().removeTrack(track);
+    this.autoRemoteTextTracks_.removeTrack(track);
+  };
+
+  /**
+   * Gets available media playback quality metrics as specified by the W3C's Media
+   * Playback Quality API.
+   *
+   * @see [Spec]{@link https://wicg.github.io/media-playback-quality}
+   *
+   * @return {Object}
+   *         An object with supported media playback quality metrics
+   *
+   * @abstract
+   */
+
+
+  Tech.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() {
+    return {};
+  };
+
+  /**
+   * A method to set a poster from a `Tech`.
+   *
+   * @abstract
+   */
+
+
+  Tech.prototype.setPoster = function setPoster() {};
+
+  /**
+   * A method to check for the presence of the 'playsinline' <video> attribute.
+   *
+   * @abstract
+   */
+
+
+  Tech.prototype.playsinline = function playsinline() {};
+
+  /**
+   * A method to set or unset the 'playsinline' <video> attribute.
+   *
+   * @abstract
+   */
+
+
+  Tech.prototype.setPlaysinline = function setPlaysinline() {};
+
+  /**
+   * Attempt to force override of native audio tracks.
+   *
+   * @param {Boolean} override - If set to true native audio will be overridden,
+   * otherwise native audio will potentially be used.
+   *
+   * @abstract
+   */
+
+
+  Tech.prototype.overrideNativeAudioTracks = function overrideNativeAudioTracks() {};
+
+  /**
+   * Attempt to force override of native video tracks.
+   *
+   * @param {Boolean} override - If set to true native video will be overridden,
+   * otherwise native video will potentially be used.
+   *
+   * @abstract
+   */
+
+
+  Tech.prototype.overrideNativeVideoTracks = function overrideNativeVideoTracks() {};
+
+  /*
+   * Check if the tech can support the given mime-type.
+   *
+   * The base tech does not support any type, but source handlers might
+   * overwrite this.
+   *
+   * @param  {string} type
+   *         The mimetype to check for support
+   *
+   * @return {string}
+   *         'probably', 'maybe', or empty string
+   *
+   * @see [Spec]{@link https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/canPlayType}
+   *
+   * @abstract
+   */
+
+
+  Tech.prototype.canPlayType = function canPlayType() {
+    return '';
+  };
+
+  /**
+   * Check if the type is supported by this tech.
+   *
+   * The base tech does not support any type, but source handlers might
+   * overwrite this.
+   *
+   * @param {string} type
+   *        The media type to check
+   * @return {string} Returns the native video element's response
+   */
+
+
+  Tech.canPlayType = function canPlayType() {
+    return '';
+  };
+
+  /**
+   * Check if the tech can support the given source
+   * @param {Object} srcObj
+   *        The source object
+   * @param {Object} options
+   *        The options passed to the tech
+   * @return {string} 'probably', 'maybe', or '' (empty string)
+   */
+
+
+  Tech.canPlaySource = function canPlaySource(srcObj, options) {
+    return Tech.canPlayType(srcObj.type);
+  };
+
+  /*
+   * Return whether the argument is a Tech or not.
+   * Can be passed either a Class like `Html5` or a instance like `player.tech_`
+   *
+   * @param {Object} component
+   *        The item to check
+   *
+   * @return {boolean}
+   *         Whether it is a tech or not
+   *         - True if it is a tech
+   *         - False if it is not
+   */
+
+
+  Tech.isTech = function isTech(component) {
+    return component.prototype instanceof Tech || component instanceof Tech || component === Tech;
+  };
+
+  /**
+   * Registers a `Tech` into a shared list for videojs.
+   *
+   * @param {string} name
+   *        Name of the `Tech` to register.
+   *
+   * @param {Object} tech
+   *        The `Tech` class to register.
+   */
+
+
+  Tech.registerTech = function registerTech(name, tech) {
+    if (!Tech.techs_) {
+      Tech.techs_ = {};
+    }
+
+    if (!Tech.isTech(tech)) {
+      throw new Error('Tech ' + name + ' must be a Tech');
+    }
+
+    if (!Tech.canPlayType) {
+      throw new Error('Techs must have a static canPlayType method on them');
+    }
+    if (!Tech.canPlaySource) {
+      throw new Error('Techs must have a static canPlaySource method on them');
+    }
+
+    name = toTitleCase(name);
+
+    Tech.techs_[name] = tech;
+    if (name !== 'Tech') {
+      // camel case the techName for use in techOrder
+      Tech.defaultTechOrder_.push(name);
+    }
+    return tech;
+  };
+
+  /**
+   * Get a `Tech` from the shared list by name.
+   *
+   * @param {string} name
+   *        `camelCase` or `TitleCase` name of the Tech to get
+   *
+   * @return {Tech|undefined}
+   *         The `Tech` or undefined if there was no tech with the name requested.
+   */
+
+
+  Tech.getTech = function getTech(name) {
+    if (!name) {
+      return;
+    }
+
+    name = toTitleCase(name);
+
+    if (Tech.techs_ && Tech.techs_[name]) {
+      return Tech.techs_[name];
+    }
+
+    if (window$1 && window$1.videojs && window$1.videojs[name]) {
+      log$1.warn('The ' + name + ' tech was added to the videojs object when it should be registered using videojs.registerTech(name, tech)');
+      return window$1.videojs[name];
+    }
+  };
+
+  return Tech;
+}(Component);
+
+/**
+ * Get the {@link VideoTrackList}
+ *
+ * @returns {VideoTrackList}
+ * @method Tech.prototype.videoTracks
+ */
+
+/**
+ * Get the {@link AudioTrackList}
+ *
+ * @returns {AudioTrackList}
+ * @method Tech.prototype.audioTracks
+ */
+
+/**
+ * Get the {@link TextTrackList}
+ *
+ * @returns {TextTrackList}
+ * @method Tech.prototype.textTracks
+ */
+
+/**
+ * Get the remote element {@link TextTrackList}
+ *
+ * @returns {TextTrackList}
+ * @method Tech.prototype.remoteTextTracks
+ */
+
+/**
+ * Get the remote element {@link HtmlTrackElementList}
+ *
+ * @returns {HtmlTrackElementList}
+ * @method Tech.prototype.remoteTextTrackEls
+ */
+
+ALL.names.forEach(function (name) {
+  var props = ALL[name];
+
+  Tech.prototype[props.getterName] = function () {
+    this[props.privateName] = this[props.privateName] || new props.ListClass();
+    return this[props.privateName];
+  };
+});
+
+/**
+ * List of associated text tracks
+ *
+ * @type {TextTrackList}
+ * @private
+ * @property Tech#textTracks_
+ */
+
+/**
+ * List of associated audio tracks.
+ *
+ * @type {AudioTrackList}
+ * @private
+ * @property Tech#audioTracks_
+ */
+
+/**
+ * List of associated video tracks.
+ *
+ * @type {VideoTrackList}
+ * @private
+ * @property Tech#videoTracks_
+ */
+
+/**
+ * Boolean indicating whether the `Tech` supports volume control.
+ *
+ * @type {boolean}
+ * @default
+ */
+Tech.prototype.featuresVolumeControl = true;
+
+/**
+ * Boolean indicating whether the `Tech` supports muting volume.
+ *
+ * @type {bolean}
+ * @default
+ */
+Tech.prototype.featuresMuteControl = true;
+
+/**
+ * Boolean indicating whether the `Tech` supports fullscreen resize control.
+ * Resizing plugins using request fullscreen reloads the plugin
+ *
+ * @type {boolean}
+ * @default
+ */
+Tech.prototype.featuresFullscreenResize = false;
+
+/**
+ * Boolean indicating whether the `Tech` supports changing the speed at which the video
+ * plays. Examples:
+ *   - Set player to play 2x (twice) as fast
+ *   - Set player to play 0.5x (half) as fast
+ *
+ * @type {boolean}
+ * @default
+ */
+Tech.prototype.featuresPlaybackRate = false;
+
+/**
+ * Boolean indicating whether the `Tech` supports the `progress` event. This is currently
+ * not triggered by video-js-swf. This will be used to determine if
+ * {@link Tech#manualProgressOn} should be called.
+ *
+ * @type {boolean}
+ * @default
+ */
+Tech.prototype.featuresProgressEvents = false;
+
+/**
+ * Boolean indicating whether the `Tech` supports the `sourceset` event.
+ *
+ * A tech should set this to `true` and then use {@link Tech#triggerSourceset}
+ * to trigger a {@link Tech#event:sourceset} at the earliest time after getting
+ * a new source.
+ *
+ * @type {boolean}
+ * @default
+ */
+Tech.prototype.featuresSourceset = false;
+
+/**
+ * Boolean indicating whether the `Tech` supports the `timeupdate` event. This is currently
+ * not triggered by video-js-swf. This will be used to determine if
+ * {@link Tech#manualTimeUpdates} should be called.
+ *
+ * @type {boolean}
+ * @default
+ */
+Tech.prototype.featuresTimeupdateEvents = false;
+
+/**
+ * Boolean indicating whether the `Tech` supports the native `TextTrack`s.
+ * This will help us integrate with native `TextTrack`s if the browser supports them.
+ *
+ * @type {boolean}
+ * @default
+ */
+Tech.prototype.featuresNativeTextTracks = false;
+
+/**
+ * A functional mixin for techs that want to use the Source Handler pattern.
+ * Source handlers are scripts for handling specific formats.
+ * The source handler pattern is used for adaptive formats (HLS, DASH) that
+ * manually load video data and feed it into a Source Buffer (Media Source Extensions)
+ * Example: `Tech.withSourceHandlers.call(MyTech);`
+ *
+ * @param {Tech} _Tech
+ *        The tech to add source handler functions to.
+ *
+ * @mixes Tech~SourceHandlerAdditions
+ */
+Tech.withSourceHandlers = function (_Tech) {
+
+  /**
+   * Register a source handler
+   *
+   * @param {Function} handler
+   *        The source handler class
+   *
+   * @param {number} [index]
+   *        Register it at the following index
+   */
+  _Tech.registerSourceHandler = function (handler, index) {
+    var handlers = _Tech.sourceHandlers;
+
+    if (!handlers) {
+      handlers = _Tech.sourceHandlers = [];
+    }
+
+    if (index === undefined) {
+      // add to the end of the list
+      index = handlers.length;
+    }
+
+    handlers.splice(index, 0, handler);
+  };
+
+  /**
+   * Check if the tech can support the given type. Also checks the
+   * Techs sourceHandlers.
+   *
+   * @param {string} type
+   *         The mimetype to check.
+   *
+   * @return {string}
+   *         'probably', 'maybe', or '' (empty string)
+   */
+  _Tech.canPlayType = function (type) {
+    var handlers = _Tech.sourceHandlers || [];
+    var can = void 0;
+
+    for (var i = 0; i < handlers.length; i++) {
+      can = handlers[i].canPlayType(type);
+
+      if (can) {
+        return can;
+      }
+    }
+
+    return '';
+  };
+
+  /**
+   * Returns the first source handler that supports the source.
+   *
+   * TODO: Answer question: should 'probably' be prioritized over 'maybe'
+   *
+   * @param {Tech~SourceObject} source
+   *        The source object
+   *
+   * @param {Object} options
+   *        The options passed to the tech
+   *
+   * @return {SourceHandler|null}
+   *          The first source handler that supports the source or null if
+   *          no SourceHandler supports the source
+   */
+  _Tech.selectSourceHandler = function (source, options) {
+    var handlers = _Tech.sourceHandlers || [];
+    var can = void 0;
+
+    for (var i = 0; i < handlers.length; i++) {
+      can = handlers[i].canHandleSource(source, options);
+
+      if (can) {
+        return handlers[i];
+      }
+    }
+
+    return null;
+  };
+
+  /**
+   * Check if the tech can support the given source.
+   *
+   * @param {Tech~SourceObject} srcObj
+   *        The source object
+   *
+   * @param {Object} options
+   *        The options passed to the tech
+   *
+   * @return {string}
+   *         'probably', 'maybe', or '' (empty string)
+   */
+  _Tech.canPlaySource = function (srcObj, options) {
+    var sh = _Tech.selectSourceHandler(srcObj, options);
+
+    if (sh) {
+      return sh.canHandleSource(srcObj, options);
+    }
+
+    return '';
+  };
+
+  /**
+   * When using a source handler, prefer its implementation of
+   * any function normally provided by the tech.
+   */
+  var deferrable = ['seekable', 'seeking', 'duration'];
+
+  /**
+   * A wrapper around {@link Tech#seekable} that will call a `SourceHandler`s seekable
+   * function if it exists, with a fallback to the Techs seekable function.
+   *
+   * @method _Tech.seekable
+   */
+
+  /**
+   * A wrapper around {@link Tech#duration} that will call a `SourceHandler`s duration
+   * function if it exists, otherwise it will fallback to the techs duration function.
+   *
+   * @method _Tech.duration
+   */
+
+  deferrable.forEach(function (fnName) {
+    var originalFn = this[fnName];
+
+    if (typeof originalFn !== 'function') {
+      return;
+    }
+
+    this[fnName] = function () {
+      if (this.sourceHandler_ && this.sourceHandler_[fnName]) {
+        return this.sourceHandler_[fnName].apply(this.sourceHandler_, arguments);
+      }
+      return originalFn.apply(this, arguments);
+    };
+  }, _Tech.prototype);
+
+  /**
+   * Create a function for setting the source using a source object
+   * and source handlers.
+   * Should never be called unless a source handler was found.
+   *
+   * @param {Tech~SourceObject} source
+   *        A source object with src and type keys
+   */
+  _Tech.prototype.setSource = function (source) {
+    var sh = _Tech.selectSourceHandler(source, this.options_);
+
+    if (!sh) {
+      // Fall back to a native source hander when unsupported sources are
+      // deliberately set
+      if (_Tech.nativeSourceHandler) {
+        sh = _Tech.nativeSourceHandler;
+      } else {
+        log$1.error('No source handler found for the current source.');
+      }
+    }
+
+    // Dispose any existing source handler
+    this.disposeSourceHandler();
+    this.off('dispose', this.disposeSourceHandler);
+
+    if (sh !== _Tech.nativeSourceHandler) {
+      this.currentSource_ = source;
+    }
+
+    this.sourceHandler_ = sh.handleSource(source, this, this.options_);
+    this.on('dispose', this.disposeSourceHandler);
+  };
+
+  /**
+   * Clean up any existing SourceHandlers and listeners when the Tech is disposed.
+   *
+   * @listens Tech#dispose
+   */
+  _Tech.prototype.disposeSourceHandler = function () {
+    // if we have a source and get another one
+    // then we are loading something new
+    // than clear all of our current tracks
+    if (this.currentSource_) {
+      this.clearTracks(['audio', 'video']);
+      this.currentSource_ = null;
+    }
+
+    // always clean up auto-text tracks
+    this.cleanupAutoTextTracks();
+
+    if (this.sourceHandler_) {
+
+      if (this.sourceHandler_.dispose) {
+        this.sourceHandler_.dispose();
+      }
+
+      this.sourceHandler_ = null;
+    }
+  };
+};
+
+// The base Tech class needs to be registered as a Component. It is the only
+// Tech that can be registered as a Component.
+Component.registerComponent('Tech', Tech);
+Tech.registerTech('Tech', Tech);
+
+/**
+ * A list of techs that should be added to techOrder on Players
+ *
+ * @private
+ */
+Tech.defaultTechOrder_ = [];
+
+var middlewares = {};
+var middlewareInstances = {};
+
+var TERMINATOR = {};
+
+function use(type, middleware) {
+  middlewares[type] = middlewares[type] || [];
+  middlewares[type].push(middleware);
+}
+
+function setSource(player, src, next) {
+  player.setTimeout(function () {
+    return setSourceHelper(src, middlewares[src.type], next, player);
+  }, 1);
+}
+
+function setTech(middleware, tech) {
+  middleware.forEach(function (mw) {
+    return mw.setTech && mw.setTech(tech);
+  });
+}
+
+/**
+ * Calls a getter on the tech first, through each middleware
+ * from right to left to the player.
+ */
+function get$1(middleware, tech, method) {
+  return middleware.reduceRight(middlewareIterator(method), tech[method]());
+}
+
+/**
+ * Takes the argument given to the player and calls the setter method on each
+ * middleware from left to right to the tech.
+ */
+function set$1(middleware, tech, method, arg) {
+  return tech[method](middleware.reduce(middlewareIterator(method), arg));
+}
+
+/**
+ * Takes the argument given to the player and calls the `call` version of the method
+ * on each middleware from left to right.
+ * Then, call the passed in method on the tech and return the result unchanged
+ * back to the player, through middleware, this time from right to left.
+ */
+function mediate(middleware, tech, method) {
+  var arg = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;
+
+  var callMethod = 'call' + toTitleCase(method);
+  var middlewareValue = middleware.reduce(middlewareIterator(callMethod), arg);
+  var terminated = middlewareValue === TERMINATOR;
+  var returnValue = terminated ? null : tech[method](middlewareValue);
+
+  executeRight(middleware, method, returnValue, terminated);
+
+  return returnValue;
+}
+
+var allowedGetters = {
+  buffered: 1,
+  currentTime: 1,
+  duration: 1,
+  seekable: 1,
+  played: 1,
+  paused: 1
+};
+
+var allowedSetters = {
+  setCurrentTime: 1
+};
+
+var allowedMediators = {
+  play: 1,
+  pause: 1
+};
+
+function middlewareIterator(method) {
+  return function (value, mw) {
+    // if the previous middleware terminated, pass along the termination
+    if (value === TERMINATOR) {
+      return TERMINATOR;
+    }
+
+    if (mw[method]) {
+      return mw[method](value);
+    }
+
+    return value;
+  };
+}
+
+function executeRight(mws, method, value, terminated) {
+  for (var i = mws.length - 1; i >= 0; i--) {
+    var mw = mws[i];
+
+    if (mw[method]) {
+      mw[method](terminated, value);
+    }
+  }
+}
+
+function clearCacheForPlayer(player) {
+  middlewareInstances[player.id()] = null;
+}
+
+/**
+ * {
+ *  [playerId]: [[mwFactory, mwInstance], ...]
+ * }
+ */
+function getOrCreateFactory(player, mwFactory) {
+  var mws = middlewareInstances[player.id()];
+  var mw = null;
+
+  if (mws === undefined || mws === null) {
+    mw = mwFactory(player);
+    middlewareInstances[player.id()] = [[mwFactory, mw]];
+    return mw;
+  }
+
+  for (var i = 0; i < mws.length; i++) {
+    var _mws$i = mws[i],
+        mwf = _mws$i[0],
+        mwi = _mws$i[1];
+
+
+    if (mwf !== mwFactory) {
+      continue;
+    }
+
+    mw = mwi;
+  }
+
+  if (mw === null) {
+    mw = mwFactory(player);
+    mws.push([mwFactory, mw]);
+  }
+
+  return mw;
+}
+
+function setSourceHelper() {
+  var src = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+  var middleware = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
+  var next = arguments[2];
+  var player = arguments[3];
+  var acc = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : [];
+  var lastRun = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : false;
+  var mwFactory = middleware[0],
+      mwrest = middleware.slice(1);
+
+  // if mwFactory is a string, then we're at a fork in the road
+
+  if (typeof mwFactory === 'string') {
+    setSourceHelper(src, middlewares[mwFactory], next, player, acc, lastRun);
+
+    // if we have an mwFactory, call it with the player to get the mw,
+    // then call the mw's setSource method
+  } else if (mwFactory) {
+    var mw = getOrCreateFactory(player, mwFactory);
+
+    // if setSource isn't present, implicitly select this middleware
+    if (!mw.setSource) {
+      acc.push(mw);
+      return setSourceHelper(src, mwrest, next, player, acc, lastRun);
+    }
+
+    mw.setSource(assign({}, src), function (err, _src) {
+
+      // something happened, try the next middleware on the current level
+      // make sure to use the old src
+      if (err) {
+        return setSourceHelper(src, mwrest, next, player, acc, lastRun);
+      }
+
+      // we've succeeded, now we need to go deeper
+      acc.push(mw);
+
+      // if it's the same type, continue down the current chain
+      // otherwise, we want to go down the new chain
+      setSourceHelper(_src, src.type === _src.type ? mwrest : middlewares[_src.type], next, player, acc, lastRun);
+    });
+  } else if (mwrest.length) {
+    setSourceHelper(src, mwrest, next, player, acc, lastRun);
+  } else if (lastRun) {
+    next(src, acc);
+  } else {
+    setSourceHelper(src, middlewares['*'], next, player, acc, true);
+  }
+}
+
+/**
+ * Mimetypes
+ *
+ * @see http://hul.harvard.edu/ois/////systems/wax/wax-public-help/mimetypes.htm
+ * @typedef Mimetypes~Kind
+ * @enum
+ */
+var MimetypesKind = {
+  opus: 'video/ogg',
+  ogv: 'video/ogg',
+  mp4: 'video/mp4',
+  mov: 'video/mp4',
+  m4v: 'video/mp4',
+  mkv: 'video/x-matroska',
+  mp3: 'audio/mpeg',
+  aac: 'audio/aac',
+  oga: 'audio/ogg',
+  m3u8: 'application/x-mpegURL'
+};
+
+/**
+ * Get the mimetype of a given src url if possible
+ *
+ * @param {string} src
+ *        The url to the src
+ *
+ * @return {string}
+ *         return the mimetype if it was known or empty string otherwise
+ */
+var getMimetype = function getMimetype() {
+  var src = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
+
+  var ext = getFileExtension(src);
+  var mimetype = MimetypesKind[ext.toLowerCase()];
+
+  return mimetype || '';
+};
+
+/**
+ * Find the mime type of a given source string if possible. Uses the player
+ * source cache.
+ *
+ * @param {Player} player
+ *        The player object
+ *
+ * @param {string} src
+ *        The source string
+ *
+ * @return {string}
+ *         The type that was found
+ */
+var findMimetype = function findMimetype(player, src) {
+  if (!src) {
+    return '';
+  }
+
+  // 1. check for the type in the `source` cache
+  if (player.cache_.source.src === src && player.cache_.source.type) {
+    return player.cache_.source.type;
+  }
+
+  // 2. see if we have this source in our `currentSources` cache
+  var matchingSources = player.cache_.sources.filter(function (s) {
+    return s.src === src;
+  });
+
+  if (matchingSources.length) {
+    return matchingSources[0].type;
+  }
+
+  // 3. look for the src url in source elements and use the type there
+  var sources = player.$$('source');
+
+  for (var i = 0; i < sources.length; i++) {
+    var s = sources[i];
+
+    if (s.type && s.src && s.src === src) {
+      return s.type;
+    }
+  }
+
+  // 4. finally fallback to our list of mime types based on src url extension
+  return getMimetype(src);
+};
+
+/**
+ * @module filter-source
+ */
+
+/**
+ * Filter out single bad source objects or multiple source objects in an
+ * array. Also flattens nested source object arrays into a 1 dimensional
+ * array of source objects.
+ *
+ * @param {Tech~SourceObject|Tech~SourceObject[]} src
+ *        The src object to filter
+ *
+ * @return {Tech~SourceObject[]}
+ *         An array of sourceobjects containing only valid sources
+ *
+ * @private
+ */
+var filterSource = function filterSource(src) {
+  // traverse array
+  if (Array.isArray(src)) {
+    var newsrc = [];
+
+    src.forEach(function (srcobj) {
+      srcobj = filterSource(srcobj);
+
+      if (Array.isArray(srcobj)) {
+        newsrc = newsrc.concat(srcobj);
+      } else if (isObject(srcobj)) {
+        newsrc.push(srcobj);
+      }
+    });
+
+    src = newsrc;
+  } else if (typeof src === 'string' && src.trim()) {
+    // convert string into object
+    src = [fixSource({ src: src })];
+  } else if (isObject(src) && typeof src.src === 'string' && src.src && src.src.trim()) {
+    // src is already valid
+    src = [fixSource(src)];
+  } else {
+    // invalid source, turn it into an empty array
+    src = [];
+  }
+
+  return src;
+};
+
+/**
+ * Checks src mimetype, adding it when possible
+ *
+ * @param {Tech~SourceObject} src
+ *        The src object to check
+ * @return {Tech~SourceObject}
+ *        src Object with known type
+ */
+function fixSource(src) {
+  var mimetype = getMimetype(src.src);
+
+  if (!src.type && mimetype) {
+    src.type = mimetype;
+  }
+
+  return src;
+}
+
+/**
+ * @file loader.js
+ */
+
+/**
+ * The `MediaLoader` is the `Component` that decides which playback technology to load
+ * when a player is initialized.
+ *
+ * @extends Component
+ */
+
+var MediaLoader = function (_Component) {
+  inherits(MediaLoader, _Component);
+
+  /**
+   * Create an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should attach to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   *
+   * @param {Component~ReadyCallback} [ready]
+   *        The function that is run when this component is ready.
+   */
+  function MediaLoader(player, options, ready) {
+    classCallCheck(this, MediaLoader);
+
+    // MediaLoader has no element
+    var options_ = mergeOptions({ createEl: false }, options);
+
+    // If there are no sources when the player is initialized,
+    // load the first supported playback technology.
+
+    var _this = possibleConstructorReturn(this, _Component.call(this, player, options_, ready));
+
+    if (!options.playerOptions.sources || options.playerOptions.sources.length === 0) {
+      for (var i = 0, j = options.playerOptions.techOrder; i < j.length; i++) {
+        var techName = toTitleCase(j[i]);
+        var tech = Tech.getTech(techName);
+
+        // Support old behavior of techs being registered as components.
+        // Remove once that deprecated behavior is removed.
+        if (!techName) {
+          tech = Component.getComponent(techName);
+        }
+
+        // Check if the browser supports this technology
+        if (tech && tech.isSupported()) {
+          player.loadTech_(techName);
+          break;
+        }
+      }
+    } else {
+      // Loop through playback technologies (HTML5, Flash) and check for support.
+      // Then load the best source.
+      // A few assumptions here:
+      //   All playback technologies respect preload false.
+      player.src(options.playerOptions.sources);
+    }
+    return _this;
+  }
+
+  return MediaLoader;
+}(Component);
+
+Component.registerComponent('MediaLoader', MediaLoader);
+
+/**
+ * @file clickable-component.js
+ */
+
+/**
+ * Clickable Component which is clickable or keyboard actionable,
+ * but is not a native HTML button.
+ *
+ * @extends Component
+ */
+
+var ClickableComponent = function (_Component) {
+  inherits(ClickableComponent, _Component);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param  {Player} player
+   *         The `Player` that this class should be attached to.
+   *
+   * @param  {Object} [options]
+   *         The key/value store of player options.
+   */
+  function ClickableComponent(player, options) {
+    classCallCheck(this, ClickableComponent);
+
+    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+    _this.emitTapEvents();
+
+    _this.enable();
+    return _this;
+  }
+
+  /**
+   * Create the `Component`s DOM element.
+   *
+   * @param {string} [tag=div]
+   *        The element's node type.
+   *
+   * @param {Object} [props={}]
+   *        An object of properties that should be set on the element.
+   *
+   * @param {Object} [attributes={}]
+   *        An object of attributes that should be set on the element.
+   *
+   * @return {Element}
+   *         The element that gets created.
+   */
+
+
+  ClickableComponent.prototype.createEl = function createEl$$1() {
+    var tag = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'div';
+    var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+    var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+    props = assign({
+      innerHTML: '<span aria-hidden="true" class="vjs-icon-placeholder"></span>',
+      className: this.buildCSSClass(),
+      tabIndex: 0
+    }, props);
+
+    if (tag === 'button') {
+      log$1.error('Creating a ClickableComponent with an HTML element of ' + tag + ' is not supported; use a Button instead.');
+    }
+
+    // Add ARIA attributes for clickable element which is not a native HTML button
+    attributes = assign({
+      role: 'button'
+    }, attributes);
+
+    this.tabIndex_ = props.tabIndex;
+
+    var el = _Component.prototype.createEl.call(this, tag, props, attributes);
+
+    this.createControlTextEl(el);
+
+    return el;
+  };
+
+  ClickableComponent.prototype.dispose = function dispose() {
+    // remove controlTextEl_ on dispose
+    this.controlTextEl_ = null;
+
+    _Component.prototype.dispose.call(this);
+  };
+
+  /**
+   * Create a control text element on this `Component`
+   *
+   * @param {Element} [el]
+   *        Parent element for the control text.
+   *
+   * @return {Element}
+   *         The control text element that gets created.
+   */
+
+
+  ClickableComponent.prototype.createControlTextEl = function createControlTextEl(el) {
+    this.controlTextEl_ = createEl('span', {
+      className: 'vjs-control-text'
+    }, {
+      // let the screen reader user know that the text of the element may change
+      'aria-live': 'polite'
+    });
+
+    if (el) {
+      el.appendChild(this.controlTextEl_);
+    }
+
+    this.controlText(this.controlText_, el);
+
+    return this.controlTextEl_;
+  };
+
+  /**
+   * Get or set the localize text to use for the controls on the `Component`.
+   *
+   * @param {string} [text]
+   *        Control text for element.
+   *
+   * @param {Element} [el=this.el()]
+   *        Element to set the title on.
+   *
+   * @return {string}
+   *         - The control text when getting
+   */
+
+
+  ClickableComponent.prototype.controlText = function controlText(text) {
+    var el = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.el();
+
+    if (text === undefined) {
+      return this.controlText_ || 'Need Text';
+    }
+
+    var localizedText = this.localize(text);
+
+    this.controlText_ = text;
+    textContent(this.controlTextEl_, localizedText);
+    if (!this.nonIconControl) {
+      // Set title attribute if only an icon is shown
+      el.setAttribute('title', localizedText);
+    }
+  };
+
+  /**
+   * Builds the default DOM `className`.
+   *
+   * @return {string}
+   *         The DOM `className` for this object.
+   */
+
+
+  ClickableComponent.prototype.buildCSSClass = function buildCSSClass() {
+    return 'vjs-control vjs-button ' + _Component.prototype.buildCSSClass.call(this);
+  };
+
+  /**
+   * Enable this `Component`s element.
+   */
+
+
+  ClickableComponent.prototype.enable = function enable() {
+    if (!this.enabled_) {
+      this.enabled_ = true;
+      this.removeClass('vjs-disabled');
+      this.el_.setAttribute('aria-disabled', 'false');
+      if (typeof this.tabIndex_ !== 'undefined') {
+        this.el_.setAttribute('tabIndex', this.tabIndex_);
+      }
+      this.on(['tap', 'click'], this.handleClick);
+      this.on('focus', this.handleFocus);
+      this.on('blur', this.handleBlur);
+    }
+  };
+
+  /**
+   * Disable this `Component`s element.
+   */
+
+
+  ClickableComponent.prototype.disable = function disable() {
+    this.enabled_ = false;
+    this.addClass('vjs-disabled');
+    this.el_.setAttribute('aria-disabled', 'true');
+    if (typeof this.tabIndex_ !== 'undefined') {
+      this.el_.removeAttribute('tabIndex');
+    }
+    this.off(['tap', 'click'], this.handleClick);
+    this.off('focus', this.handleFocus);
+    this.off('blur', this.handleBlur);
+  };
+
+  /**
+   * This gets called when a `ClickableComponent` gets:
+   * - Clicked (via the `click` event, listening starts in the constructor)
+   * - Tapped (via the `tap` event, listening starts in the constructor)
+   * - The following things happen in order:
+   *   1. {@link ClickableComponent#handleFocus} is called via a `focus` event on the
+   *      `ClickableComponent`.
+   *   2. {@link ClickableComponent#handleFocus} adds a listener for `keydown` on using
+   *      {@link ClickableComponent#handleKeyPress}.
+   *   3. `ClickableComponent` has not had a `blur` event (`blur` means that focus was lost). The user presses
+   *      the space or enter key.
+   *   4. {@link ClickableComponent#handleKeyPress} calls this function with the `keydown`
+   *      event as a parameter.
+   *
+   * @param {EventTarget~Event} event
+   *        The `keydown`, `tap`, or `click` event that caused this function to be
+   *        called.
+   *
+   * @listens tap
+   * @listens click
+   * @abstract
+   */
+
+
+  ClickableComponent.prototype.handleClick = function handleClick(event) {};
+
+  /**
+   * This gets called when a `ClickableComponent` gains focus via a `focus` event.
+   * Turns on listening for `keydown` events. When they happen it
+   * calls `this.handleKeyPress`.
+   *
+   * @param {EventTarget~Event} event
+   *        The `focus` event that caused this function to be called.
+   *
+   * @listens focus
+   */
+
+
+  ClickableComponent.prototype.handleFocus = function handleFocus(event) {
+    on(document, 'keydown', bind(this, this.handleKeyPress));
+  };
+
+  /**
+   * Called when this ClickableComponent has focus and a key gets pressed down. By
+   * default it will call `this.handleClick` when the key is space or enter.
+   *
+   * @param {EventTarget~Event} event
+   *        The `keydown` event that caused this function to be called.
+   *
+   * @listens keydown
+   */
+
+
+  ClickableComponent.prototype.handleKeyPress = function handleKeyPress(event) {
+
+    // Support Space (32) or Enter (13) key operation to fire a click event
+    if (event.which === 32 || event.which === 13) {
+      event.preventDefault();
+      this.trigger('click');
+    } else if (_Component.prototype.handleKeyPress) {
+
+      // Pass keypress handling up for unsupported keys
+      _Component.prototype.handleKeyPress.call(this, event);
+    }
+  };
+
+  /**
+   * Called when a `ClickableComponent` loses focus. Turns off the listener for
+   * `keydown` events. Which Stops `this.handleKeyPress` from getting called.
+   *
+   * @param {EventTarget~Event} event
+   *        The `blur` event that caused this function to be called.
+   *
+   * @listens blur
+   */
+
+
+  ClickableComponent.prototype.handleBlur = function handleBlur(event) {
+    off(document, 'keydown', bind(this, this.handleKeyPress));
+  };
+
+  return ClickableComponent;
+}(Component);
+
+Component.registerComponent('ClickableComponent', ClickableComponent);
+
+/**
+ * @file poster-image.js
+ */
+
+/**
+ * A `ClickableComponent` that handles showing the poster image for the player.
+ *
+ * @extends ClickableComponent
+ */
+
+var PosterImage = function (_ClickableComponent) {
+  inherits(PosterImage, _ClickableComponent);
+
+  /**
+   * Create an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should attach to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   */
+  function PosterImage(player, options) {
+    classCallCheck(this, PosterImage);
+
+    var _this = possibleConstructorReturn(this, _ClickableComponent.call(this, player, options));
+
+    _this.update();
+    player.on('posterchange', bind(_this, _this.update));
+    return _this;
+  }
+
+  /**
+   * Clean up and dispose of the `PosterImage`.
+   */
+
+
+  PosterImage.prototype.dispose = function dispose() {
+    this.player().off('posterchange', this.update);
+    _ClickableComponent.prototype.dispose.call(this);
+  };
+
+  /**
+   * Create the `PosterImage`s DOM element.
+   *
+   * @return {Element}
+   *         The element that gets created.
+   */
+
+
+  PosterImage.prototype.createEl = function createEl$$1() {
+    var el = createEl('div', {
+      className: 'vjs-poster',
+
+      // Don't want poster to be tabbable.
+      tabIndex: -1
+    });
+
+    return el;
+  };
+
+  /**
+   * An {@link EventTarget~EventListener} for {@link Player#posterchange} events.
+   *
+   * @listens Player#posterchange
+   *
+   * @param {EventTarget~Event} [event]
+   *        The `Player#posterchange` event that triggered this function.
+   */
+
+
+  PosterImage.prototype.update = function update(event) {
+    var url = this.player().poster();
+
+    this.setSrc(url);
+
+    // If there's no poster source we should display:none on this component
+    // so it's not still clickable or right-clickable
+    if (url) {
+      this.show();
+    } else {
+      this.hide();
+    }
+  };
+
+  /**
+   * Set the source of the `PosterImage` depending on the display method.
+   *
+   * @param {string} url
+   *        The URL to the source for the `PosterImage`.
+   */
+
+
+  PosterImage.prototype.setSrc = function setSrc(url) {
+    var backgroundImage = '';
+
+    // Any falsy value should stay as an empty string, otherwise
+    // this will throw an extra error
+    if (url) {
+      backgroundImage = 'url("' + url + '")';
+    }
+
+    this.el_.style.backgroundImage = backgroundImage;
+  };
+
+  /**
+   * An {@link EventTarget~EventListener} for clicks on the `PosterImage`. See
+   * {@link ClickableComponent#handleClick} for instances where this will be triggered.
+   *
+   * @listens tap
+   * @listens click
+   * @listens keydown
+   *
+   * @param {EventTarget~Event} event
+   +        The `click`, `tap` or `keydown` event that caused this function to be called.
+   */
+
+
+  PosterImage.prototype.handleClick = function handleClick(event) {
+    // We don't want a click to trigger playback when controls are disabled
+    if (!this.player_.controls()) {
+      return;
+    }
+
+    if (this.player_.paused()) {
+      silencePromise(this.player_.play());
+    } else {
+      this.player_.pause();
+    }
+  };
+
+  return PosterImage;
+}(ClickableComponent);
+
+Component.registerComponent('PosterImage', PosterImage);
+
+/**
+ * @file text-track-display.js
+ */
+
+var darkGray = '#222';
+var lightGray = '#ccc';
+var fontMap = {
+  monospace: 'monospace',
+  sansSerif: 'sans-serif',
+  serif: 'serif',
+  monospaceSansSerif: '"Andale Mono", "Lucida Console", monospace',
+  monospaceSerif: '"Courier New", monospace',
+  proportionalSansSerif: 'sans-serif',
+  proportionalSerif: 'serif',
+  casual: '"Comic Sans MS", Impact, fantasy',
+  script: '"Monotype Corsiva", cursive',
+  smallcaps: '"Andale Mono", "Lucida Console", monospace, sans-serif'
+};
+
+/**
+ * Construct an rgba color from a given hex color code.
+ *
+ * @param {number} color
+ *        Hex number for color, like #f0e or #f604e2.
+ *
+ * @param {number} opacity
+ *        Value for opacity, 0.0 - 1.0.
+ *
+ * @return {string}
+ *         The rgba color that was created, like 'rgba(255, 0, 0, 0.3)'.
+ */
+function constructColor(color, opacity) {
+  var hex = void 0;
+
+  if (color.length === 4) {
+    // color looks like "#f0e"
+    hex = color[1] + color[1] + color[2] + color[2] + color[3] + color[3];
+  } else if (color.length === 7) {
+    // color looks like "#f604e2"
+    hex = color.slice(1);
+  } else {
+    throw new Error('Invalid color code provided, ' + color + '; must be formatted as e.g. #f0e or #f604e2.');
+  }
+  return 'rgba(' + parseInt(hex.slice(0, 2), 16) + ',' + parseInt(hex.slice(2, 4), 16) + ',' + parseInt(hex.slice(4, 6), 16) + ',' + opacity + ')';
+}
+
+/**
+ * Try to update the style of a DOM element. Some style changes will throw an error,
+ * particularly in IE8. Those should be noops.
+ *
+ * @param {Element} el
+ *        The DOM element to be styled.
+ *
+ * @param {string} style
+ *        The CSS property on the element that should be styled.
+ *
+ * @param {string} rule
+ *        The style rule that should be applied to the property.
+ *
+ * @private
+ */
+function tryUpdateStyle(el, style, rule) {
+  try {
+    el.style[style] = rule;
+  } catch (e) {
+
+    // Satisfies linter.
+    return;
+  }
+}
+
+/**
+ * The component for displaying text track cues.
+ *
+ * @extends Component
+ */
+
+var TextTrackDisplay = function (_Component) {
+  inherits(TextTrackDisplay, _Component);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   *
+   * @param {Component~ReadyCallback} [ready]
+   *        The function to call when `TextTrackDisplay` is ready.
+   */
+  function TextTrackDisplay(player, options, ready) {
+    classCallCheck(this, TextTrackDisplay);
+
+    var _this = possibleConstructorReturn(this, _Component.call(this, player, options, ready));
+
+    var updateDisplayHandler = bind(_this, _this.updateDisplay);
+
+    player.on('loadstart', bind(_this, _this.toggleDisplay));
+    player.on('texttrackchange', updateDisplayHandler);
+    player.on('loadstart', bind(_this, _this.preselectTrack));
+
+    // This used to be called during player init, but was causing an error
+    // if a track should show by default and the display hadn't loaded yet.
+    // Should probably be moved to an external track loader when we support
+    // tracks that don't need a display.
+    player.ready(bind(_this, function () {
+      if (player.tech_ && player.tech_.featuresNativeTextTracks) {
+        this.hide();
+        return;
+      }
+
+      player.on('fullscreenchange', updateDisplayHandler);
+      player.on('playerresize', updateDisplayHandler);
+
+      window$1.addEventListener('orientationchange', updateDisplayHandler);
+      player.on('dispose', function () {
+        return window$1.removeEventListener('orientationchange', updateDisplayHandler);
+      });
+
+      var tracks = this.options_.playerOptions.tracks || [];
+
+      for (var i = 0; i < tracks.length; i++) {
+        this.player_.addRemoteTextTrack(tracks[i], true);
+      }
+
+      this.preselectTrack();
+    }));
+    return _this;
+  }
+
+  /**
+  * Preselect a track following this precedence:
+  * - matches the previously selected {@link TextTrack}'s language and kind
+  * - matches the previously selected {@link TextTrack}'s language only
+  * - is the first default captions track
+  * - is the first default descriptions track
+  *
+  * @listens Player#loadstart
+  */
+
+
+  TextTrackDisplay.prototype.preselectTrack = function preselectTrack() {
+    var modes = { captions: 1, subtitles: 1 };
+    var trackList = this.player_.textTracks();
+    var userPref = this.player_.cache_.selectedLanguage;
+    var firstDesc = void 0;
+    var firstCaptions = void 0;
+    var preferredTrack = void 0;
+
+    for (var i = 0; i < trackList.length; i++) {
+      var track = trackList[i];
+
+      if (userPref && userPref.enabled && userPref.language === track.language) {
+        // Always choose the track that matches both language and kind
+        if (track.kind === userPref.kind) {
+          preferredTrack = track;
+          // or choose the first track that matches language
+        } else if (!preferredTrack) {
+          preferredTrack = track;
+        }
+
+        // clear everything if offTextTrackMenuItem was clicked
+      } else if (userPref && !userPref.enabled) {
+        preferredTrack = null;
+        firstDesc = null;
+        firstCaptions = null;
+      } else if (track.default) {
+        if (track.kind === 'descriptions' && !firstDesc) {
+          firstDesc = track;
+        } else if (track.kind in modes && !firstCaptions) {
+          firstCaptions = track;
+        }
+      }
+    }
+
+    // The preferredTrack matches the user preference and takes
+    // precedence over all the other tracks.
+    // So, display the preferredTrack before the first default track
+    // and the subtitles/captions track before the descriptions track
+    if (preferredTrack) {
+      preferredTrack.mode = 'showing';
+    } else if (firstCaptions) {
+      firstCaptions.mode = 'showing';
+    } else if (firstDesc) {
+      firstDesc.mode = 'showing';
+    }
+  };
+
+  /**
+   * Turn display of {@link TextTrack}'s from the current state into the other state.
+   * There are only two states:
+   * - 'shown'
+   * - 'hidden'
+   *
+   * @listens Player#loadstart
+   */
+
+
+  TextTrackDisplay.prototype.toggleDisplay = function toggleDisplay() {
+    if (this.player_.tech_ && this.player_.tech_.featuresNativeTextTracks) {
+      this.hide();
+    } else {
+      this.show();
+    }
+  };
+
+  /**
+   * Create the {@link Component}'s DOM element.
+   *
+   * @return {Element}
+   *         The element that was created.
+   */
+
+
+  TextTrackDisplay.prototype.createEl = function createEl() {
+    return _Component.prototype.createEl.call(this, 'div', {
+      className: 'vjs-text-track-display'
+    }, {
+      'aria-live': 'off',
+      'aria-atomic': 'true'
+    });
+  };
+
+  /**
+   * Clear all displayed {@link TextTrack}s.
+   */
+
+
+  TextTrackDisplay.prototype.clearDisplay = function clearDisplay() {
+    if (typeof window$1.WebVTT === 'function') {
+      window$1.WebVTT.processCues(window$1, [], this.el_);
+    }
+  };
+
+  /**
+   * Update the displayed TextTrack when a either a {@link Player#texttrackchange} or
+   * a {@link Player#fullscreenchange} is fired.
+   *
+   * @listens Player#texttrackchange
+   * @listens Player#fullscreenchange
+   */
+
+
+  TextTrackDisplay.prototype.updateDisplay = function updateDisplay() {
+    var tracks = this.player_.textTracks();
+
+    this.clearDisplay();
+
+    // Track display prioritization model: if multiple tracks are 'showing',
+    //  display the first 'subtitles' or 'captions' track which is 'showing',
+    //  otherwise display the first 'descriptions' track which is 'showing'
+
+    var descriptionsTrack = null;
+    var captionsSubtitlesTrack = null;
+    var i = tracks.length;
+
+    while (i--) {
+      var track = tracks[i];
+
+      if (track.mode === 'showing') {
+        if (track.kind === 'descriptions') {
+          descriptionsTrack = track;
+        } else {
+          captionsSubtitlesTrack = track;
+        }
+      }
+    }
+
+    if (captionsSubtitlesTrack) {
+      if (this.getAttribute('aria-live') !== 'off') {
+        this.setAttribute('aria-live', 'off');
+      }
+      this.updateForTrack(captionsSubtitlesTrack);
+    } else if (descriptionsTrack) {
+      if (this.getAttribute('aria-live') !== 'assertive') {
+        this.setAttribute('aria-live', 'assertive');
+      }
+      this.updateForTrack(descriptionsTrack);
+    }
+  };
+
+  /**
+   * Add an {@link TextTrack} to to the {@link Tech}s {@link TextTrackList}.
+   *
+   * @param {TextTrack} track
+   *        Text track object to be added to the list.
+   */
+
+
+  TextTrackDisplay.prototype.updateForTrack = function updateForTrack(track) {
+    if (typeof window$1.WebVTT !== 'function' || !track.activeCues) {
+      return;
+    }
+
+    var cues = [];
+
+    for (var _i = 0; _i < track.activeCues.length; _i++) {
+      cues.push(track.activeCues[_i]);
+    }
+
+    window$1.WebVTT.processCues(window$1, cues, this.el_);
+
+    if (!this.player_.textTrackSettings) {
+      return;
+    }
+
+    var overrides = this.player_.textTrackSettings.getValues();
+
+    var i = cues.length;
+
+    while (i--) {
+      var cue = cues[i];
+
+      if (!cue) {
+        continue;
+      }
+
+      var cueDiv = cue.displayState;
+
+      if (overrides.color) {
+        cueDiv.firstChild.style.color = overrides.color;
+      }
+      if (overrides.textOpacity) {
+        tryUpdateStyle(cueDiv.firstChild, 'color', constructColor(overrides.color || '#fff', overrides.textOpacity));
+      }
+      if (overrides.backgroundColor) {
+        cueDiv.firstChild.style.backgroundColor = overrides.backgroundColor;
+      }
+      if (overrides.backgroundOpacity) {
+        tryUpdateStyle(cueDiv.firstChild, 'backgroundColor', constructColor(overrides.backgroundColor || '#000', overrides.backgroundOpacity));
+      }
+      if (overrides.windowColor) {
+        if (overrides.windowOpacity) {
+          tryUpdateStyle(cueDiv, 'backgroundColor', constructColor(overrides.windowColor, overrides.windowOpacity));
+        } else {
+          cueDiv.style.backgroundColor = overrides.windowColor;
+        }
+      }
+      if (overrides.edgeStyle) {
+        if (overrides.edgeStyle === 'dropshadow') {
+          cueDiv.firstChild.style.textShadow = '2px 2px 3px ' + darkGray + ', 2px 2px 4px ' + darkGray + ', 2px 2px 5px ' + darkGray;
+        } else if (overrides.edgeStyle === 'raised') {
+          cueDiv.firstChild.style.textShadow = '1px 1px ' + darkGray + ', 2px 2px ' + darkGray + ', 3px 3px ' + darkGray;
+        } else if (overrides.edgeStyle === 'depressed') {
+          cueDiv.firstChild.style.textShadow = '1px 1px ' + lightGray + ', 0 1px ' + lightGray + ', -1px -1px ' + darkGray + ', 0 -1px ' + darkGray;
+        } else if (overrides.edgeStyle === 'uniform') {
+          cueDiv.firstChild.style.textShadow = '0 0 4px ' + darkGray + ', 0 0 4px ' + darkGray + ', 0 0 4px ' + darkGray + ', 0 0 4px ' + darkGray;
+        }
+      }
+      if (overrides.fontPercent && overrides.fontPercent !== 1) {
+        var fontSize = window$1.parseFloat(cueDiv.style.fontSize);
+
+        cueDiv.style.fontSize = fontSize * overrides.fontPercent + 'px';
+        cueDiv.style.height = 'auto';
+        cueDiv.style.top = 'auto';
+        cueDiv.style.bottom = '2px';
+      }
+      if (overrides.fontFamily && overrides.fontFamily !== 'default') {
+        if (overrides.fontFamily === 'small-caps') {
+          cueDiv.firstChild.style.fontVariant = 'small-caps';
+        } else {
+          cueDiv.firstChild.style.fontFamily = fontMap[overrides.fontFamily];
+        }
+      }
+    }
+  };
+
+  return TextTrackDisplay;
+}(Component);
+
+Component.registerComponent('TextTrackDisplay', TextTrackDisplay);
+
+/**
+ * @file loading-spinner.js
+ */
+
+/**
+ * A loading spinner for use during waiting/loading events.
+ *
+ * @extends Component
+ */
+
+var LoadingSpinner = function (_Component) {
+  inherits(LoadingSpinner, _Component);
+
+  function LoadingSpinner() {
+    classCallCheck(this, LoadingSpinner);
+    return possibleConstructorReturn(this, _Component.apply(this, arguments));
+  }
+
+  /**
+   * Create the `LoadingSpinner`s DOM element.
+   *
+   * @return {Element}
+   *         The dom element that gets created.
+   */
+  LoadingSpinner.prototype.createEl = function createEl$$1() {
+    var isAudio = this.player_.isAudio();
+    var playerType = this.localize(isAudio ? 'Audio Player' : 'Video Player');
+    var controlText = createEl('span', {
+      className: 'vjs-control-text',
+      innerHTML: this.localize('{1} is loading.', [playerType])
+    });
+
+    var el = _Component.prototype.createEl.call(this, 'div', {
+      className: 'vjs-loading-spinner',
+      dir: 'ltr'
+    });
+
+    el.appendChild(controlText);
+
+    return el;
+  };
+
+  return LoadingSpinner;
+}(Component);
+
+Component.registerComponent('LoadingSpinner', LoadingSpinner);
+
+/**
+ * @file button.js
+ */
+
+/**
+ * Base class for all buttons.
+ *
+ * @extends ClickableComponent
+ */
+
+var Button = function (_ClickableComponent) {
+  inherits(Button, _ClickableComponent);
+
+  function Button() {
+    classCallCheck(this, Button);
+    return possibleConstructorReturn(this, _ClickableComponent.apply(this, arguments));
+  }
+
+  /**
+   * Create the `Button`s DOM element.
+   *
+   * @param {string} [tag="button"]
+   *        The element's node type. This argument is IGNORED: no matter what
+   *        is passed, it will always create a `button` element.
+   *
+   * @param {Object} [props={}]
+   *        An object of properties that should be set on the element.
+   *
+   * @param {Object} [attributes={}]
+   *        An object of attributes that should be set on the element.
+   *
+   * @return {Element}
+   *         The element that gets created.
+   */
+  Button.prototype.createEl = function createEl(tag) {
+    var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+    var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+    tag = 'button';
+
+    props = assign({
+      innerHTML: '<span aria-hidden="true" class="vjs-icon-placeholder"></span>',
+      className: this.buildCSSClass()
+    }, props);
+
+    // Add attributes for button element
+    attributes = assign({
+
+      // Necessary since the default button type is "submit"
+      type: 'button'
+    }, attributes);
+
+    var el = Component.prototype.createEl.call(this, tag, props, attributes);
+
+    this.createControlTextEl(el);
+
+    return el;
+  };
+
+  /**
+   * Add a child `Component` inside of this `Button`.
+   *
+   * @param {string|Component} child
+   *        The name or instance of a child to add.
+   *
+   * @param {Object} [options={}]
+   *        The key/value store of options that will get passed to children of
+   *        the child.
+   *
+   * @return {Component}
+   *         The `Component` that gets added as a child. When using a string the
+   *         `Component` will get created by this process.
+   *
+   * @deprecated since version 5
+   */
+
+
+  Button.prototype.addChild = function addChild(child) {
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+    var className = this.constructor.name;
+
+    log$1.warn('Adding an actionable (user controllable) child to a Button (' + className + ') is not supported; use a ClickableComponent instead.');
+
+    // Avoid the error message generated by ClickableComponent's addChild method
+    return Component.prototype.addChild.call(this, child, options);
+  };
+
+  /**
+   * Enable the `Button` element so that it can be activated or clicked. Use this with
+   * {@link Button#disable}.
+   */
+
+
+  Button.prototype.enable = function enable() {
+    _ClickableComponent.prototype.enable.call(this);
+    this.el_.removeAttribute('disabled');
+  };
+
+  /**
+   * Disable the `Button` element so that it cannot be activated or clicked. Use this with
+   * {@link Button#enable}.
+   */
+
+
+  Button.prototype.disable = function disable() {
+    _ClickableComponent.prototype.disable.call(this);
+    this.el_.setAttribute('disabled', 'disabled');
+  };
+
+  /**
+   * This gets called when a `Button` has focus and `keydown` is triggered via a key
+   * press.
+   *
+   * @param {EventTarget~Event} event
+   *        The event that caused this function to get called.
+   *
+   * @listens keydown
+   */
+
+
+  Button.prototype.handleKeyPress = function handleKeyPress(event) {
+
+    // Ignore Space (32) or Enter (13) key operation, which is handled by the browser for a button.
+    if (event.which === 32 || event.which === 13) {
+      return;
+    }
+
+    // Pass keypress handling up for unsupported keys
+    _ClickableComponent.prototype.handleKeyPress.call(this, event);
+  };
+
+  return Button;
+}(ClickableComponent);
+
+Component.registerComponent('Button', Button);
+
+/**
+ * @file big-play-button.js
+ */
+
+/**
+ * The initial play button that shows before the video has played. The hiding of the
+ * `BigPlayButton` get done via CSS and `Player` states.
+ *
+ * @extends Button
+ */
+
+var BigPlayButton = function (_Button) {
+  inherits(BigPlayButton, _Button);
+
+  function BigPlayButton(player, options) {
+    classCallCheck(this, BigPlayButton);
+
+    var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
+
+    _this.mouseused_ = false;
+
+    _this.on('mousedown', _this.handleMouseDown);
+    return _this;
+  }
+
+  /**
+   * Builds the default DOM `className`.
+   *
+   * @return {string}
+   *         The DOM `className` for this object. Always returns 'vjs-big-play-button'.
+   */
+
+
+  BigPlayButton.prototype.buildCSSClass = function buildCSSClass() {
+    return 'vjs-big-play-button';
+  };
+
+  /**
+   * This gets called when a `BigPlayButton` "clicked". See {@link ClickableComponent}
+   * for more detailed information on what a click can be.
+   *
+   * @param {EventTarget~Event} event
+   *        The `keydown`, `tap`, or `click` event that caused this function to be
+   *        called.
+   *
+   * @listens tap
+   * @listens click
+   */
+
+
+  BigPlayButton.prototype.handleClick = function handleClick(event) {
+    var playPromise = this.player_.play();
+
+    // exit early if clicked via the mouse
+    if (this.mouseused_ && event.clientX && event.clientY) {
+      silencePromise(playPromise);
+      return;
+    }
+
+    var cb = this.player_.getChild('controlBar');
+    var playToggle = cb && cb.getChild('playToggle');
+
+    if (!playToggle) {
+      this.player_.focus();
+      return;
+    }
+
+    var playFocus = function playFocus() {
+      return playToggle.focus();
+    };
+
+    if (isPromise(playPromise)) {
+      playPromise.then(playFocus, function () {});
+    } else {
+      this.setTimeout(playFocus, 1);
+    }
+  };
+
+  BigPlayButton.prototype.handleKeyPress = function handleKeyPress(event) {
+    this.mouseused_ = false;
+
+    _Button.prototype.handleKeyPress.call(this, event);
+  };
+
+  BigPlayButton.prototype.handleMouseDown = function handleMouseDown(event) {
+    this.mouseused_ = true;
+  };
+
+  return BigPlayButton;
+}(Button);
+
+/**
+ * The text that should display over the `BigPlayButton`s controls. Added to for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+BigPlayButton.prototype.controlText_ = 'Play Video';
+
+Component.registerComponent('BigPlayButton', BigPlayButton);
+
+/**
+ * @file close-button.js
+ */
+
+/**
+ * The `CloseButton` is a `{@link Button}` that fires a `close` event when
+ * it gets clicked.
+ *
+ * @extends Button
+ */
+
+var CloseButton = function (_Button) {
+  inherits(CloseButton, _Button);
+
+  /**
+   * Creates an instance of the this class.
+   *
+   * @param  {Player} player
+   *         The `Player` that this class should be attached to.
+   *
+   * @param  {Object} [options]
+   *         The key/value store of player options.
+   */
+  function CloseButton(player, options) {
+    classCallCheck(this, CloseButton);
+
+    var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
+
+    _this.controlText(options && options.controlText || _this.localize('Close'));
+    return _this;
+  }
+
+  /**
+   * Builds the default DOM `className`.
+   *
+   * @return {string}
+   *         The DOM `className` for this object.
+   */
+
+
+  CloseButton.prototype.buildCSSClass = function buildCSSClass() {
+    return 'vjs-close-button ' + _Button.prototype.buildCSSClass.call(this);
+  };
+
+  /**
+   * This gets called when a `CloseButton` gets clicked. See
+   * {@link ClickableComponent#handleClick} for more information on when this will be
+   * triggered
+   *
+   * @param {EventTarget~Event} event
+   *        The `keydown`, `tap`, or `click` event that caused this function to be
+   *        called.
+   *
+   * @listens tap
+   * @listens click
+   * @fires CloseButton#close
+   */
+
+
+  CloseButton.prototype.handleClick = function handleClick(event) {
+
+    /**
+     * Triggered when the a `CloseButton` is clicked.
+     *
+     * @event CloseButton#close
+     * @type {EventTarget~Event}
+     *
+     * @property {boolean} [bubbles=false]
+     *           set to false so that the close event does not
+     *           bubble up to parents if there is no listener
+     */
+    this.trigger({ type: 'close', bubbles: false });
+  };
+
+  return CloseButton;
+}(Button);
+
+Component.registerComponent('CloseButton', CloseButton);
+
+/**
+ * @file play-toggle.js
+ */
+
+/**
+ * Button to toggle between play and pause.
+ *
+ * @extends Button
+ */
+
+var PlayToggle = function (_Button) {
+  inherits(PlayToggle, _Button);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   */
+  function PlayToggle(player, options) {
+    classCallCheck(this, PlayToggle);
+
+    var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
+
+    _this.on(player, 'play', _this.handlePlay);
+    _this.on(player, 'pause', _this.handlePause);
+    _this.on(player, 'ended', _this.handleEnded);
+    return _this;
+  }
+
+  /**
+   * Builds the default DOM `className`.
+   *
+   * @return {string}
+   *         The DOM `className` for this object.
+   */
+
+
+  PlayToggle.prototype.buildCSSClass = function buildCSSClass() {
+    return 'vjs-play-control ' + _Button.prototype.buildCSSClass.call(this);
+  };
+
+  /**
+   * This gets called when an `PlayToggle` is "clicked". See
+   * {@link ClickableComponent} for more detailed information on what a click can be.
+   *
+   * @param {EventTarget~Event} [event]
+   *        The `keydown`, `tap`, or `click` event that caused this function to be
+   *        called.
+   *
+   * @listens tap
+   * @listens click
+   */
+
+
+  PlayToggle.prototype.handleClick = function handleClick(event) {
+    if (this.player_.paused()) {
+      this.player_.play();
+    } else {
+      this.player_.pause();
+    }
+  };
+
+  /**
+   * This gets called once after the video has ended and the user seeks so that
+   * we can change the replay button back to a play button.
+   *
+   * @param {EventTarget~Event} [event]
+   *        The event that caused this function to run.
+   *
+   * @listens Player#seeked
+   */
+
+
+  PlayToggle.prototype.handleSeeked = function handleSeeked(event) {
+    this.removeClass('vjs-ended');
+
+    if (this.player_.paused()) {
+      this.handlePause(event);
+    } else {
+      this.handlePlay(event);
+    }
+  };
+
+  /**
+   * Add the vjs-playing class to the element so it can change appearance.
+   *
+   * @param {EventTarget~Event} [event]
+   *        The event that caused this function to run.
+   *
+   * @listens Player#play
+   */
+
+
+  PlayToggle.prototype.handlePlay = function handlePlay(event) {
+    this.removeClass('vjs-ended');
+    this.removeClass('vjs-paused');
+    this.addClass('vjs-playing');
+    // change the button text to "Pause"
+    this.controlText('Pause');
+  };
+
+  /**
+   * Add the vjs-paused class to the element so it can change appearance.
+   *
+   * @param {EventTarget~Event} [event]
+   *        The event that caused this function to run.
+   *
+   * @listens Player#pause
+   */
+
+
+  PlayToggle.prototype.handlePause = function handlePause(event) {
+    this.removeClass('vjs-playing');
+    this.addClass('vjs-paused');
+    // change the button text to "Play"
+    this.controlText('Play');
+  };
+
+  /**
+   * Add the vjs-ended class to the element so it can change appearance
+   *
+   * @param {EventTarget~Event} [event]
+   *        The event that caused this function to run.
+   *
+   * @listens Player#ended
+   */
+
+
+  PlayToggle.prototype.handleEnded = function handleEnded(event) {
+    this.removeClass('vjs-playing');
+    this.addClass('vjs-ended');
+    // change the button text to "Replay"
+    this.controlText('Replay');
+
+    // on the next seek remove the replay button
+    this.one(this.player_, 'seeked', this.handleSeeked);
+  };
+
+  return PlayToggle;
+}(Button);
+
+/**
+ * The text that should display over the `PlayToggle`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+PlayToggle.prototype.controlText_ = 'Play';
+
+Component.registerComponent('PlayToggle', PlayToggle);
+
+/**
+ * @file format-time.js
+ * @module format-time
+ */
+
+/**
+* Format seconds as a time string, H:MM:SS or M:SS. Supplying a guide (in seconds)
+* will force a number of leading zeros to cover the length of the guide.
+*
+* @param {number} seconds
+*        Number of seconds to be turned into a string
+*
+* @param {number} guide
+*        Number (in seconds) to model the string after
+*
+* @return {string}
+*         Time formatted as H:MM:SS or M:SS
+*/
+var defaultImplementation = function defaultImplementation(seconds, guide) {
+  seconds = seconds < 0 ? 0 : seconds;
+  var s = Math.floor(seconds % 60);
+  var m = Math.floor(seconds / 60 % 60);
+  var h = Math.floor(seconds / 3600);
+  var gm = Math.floor(guide / 60 % 60);
+  var gh = Math.floor(guide / 3600);
+
+  // handle invalid times
+  if (isNaN(seconds) || seconds === Infinity) {
+    // '-' is false for all relational operators (e.g. <, >=) so this setting
+    // will add the minimum number of fields specified by the guide
+    h = m = s = '-';
+  }
+
+  // Check if we need to show hours
+  h = h > 0 || gh > 0 ? h + ':' : '';
+
+  // If hours are showing, we may need to add a leading zero.
+  // Always show at least one digit of minutes.
+  m = ((h || gm >= 10) && m < 10 ? '0' + m : m) + ':';
+
+  // Check if leading zero is need for seconds
+  s = s < 10 ? '0' + s : s;
+
+  return h + m + s;
+};
+
+var implementation = defaultImplementation;
+
+/**
+ * Replaces the default formatTime implementation with a custom implementation.
+ *
+ * @param {Function} customImplementation
+ *        A function which will be used in place of the default formatTime implementation.
+ *        Will receive the current time in seconds and the guide (in seconds) as arguments.
+ */
+function setFormatTime(customImplementation) {
+  implementation = customImplementation;
+}
+
+/**
+ * Resets formatTime to the default implementation.
+ */
+function resetFormatTime() {
+  implementation = defaultImplementation;
+}
+
+function formatTime (seconds) {
+  var guide = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : seconds;
+
+  return implementation(seconds, guide);
+}
+
+/**
+ * @file time-display.js
+ */
+
+/**
+ * Displays the time left in the video
+ *
+ * @extends Component
+ */
+
+var TimeDisplay = function (_Component) {
+  inherits(TimeDisplay, _Component);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   */
+  function TimeDisplay(player, options) {
+    classCallCheck(this, TimeDisplay);
+
+    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+    _this.throttledUpdateContent = throttle(bind(_this, _this.updateContent), 25);
+    _this.on(player, 'timeupdate', _this.throttledUpdateContent);
+    return _this;
+  }
+
+  /**
+   * Create the `Component`'s DOM element
+   *
+   * @return {Element}
+   *         The element that was created.
+   */
+
+
+  TimeDisplay.prototype.createEl = function createEl$$1(plainName) {
+    var className = this.buildCSSClass();
+    var el = _Component.prototype.createEl.call(this, 'div', {
+      className: className + ' vjs-time-control vjs-control',
+      innerHTML: '<span class="vjs-control-text">' + this.localize(this.labelText_) + '\xA0</span>'
+    });
+
+    this.contentEl_ = createEl('span', {
+      className: className + '-display'
+    }, {
+      // tell screen readers not to automatically read the time as it changes
+      'aria-live': 'off'
+    });
+
+    this.updateTextNode_();
+    el.appendChild(this.contentEl_);
+    return el;
+  };
+
+  TimeDisplay.prototype.dispose = function dispose() {
+    this.contentEl_ = null;
+    this.textNode_ = null;
+
+    _Component.prototype.dispose.call(this);
+  };
+
+  /**
+   * Updates the "remaining time" text node with new content using the
+   * contents of the `formattedTime_` property.
+   *
+   * @private
+   */
+
+
+  TimeDisplay.prototype.updateTextNode_ = function updateTextNode_() {
+    if (!this.contentEl_) {
+      return;
+    }
+
+    while (this.contentEl_.firstChild) {
+      this.contentEl_.removeChild(this.contentEl_.firstChild);
+    }
+
+    this.textNode_ = document.createTextNode(this.formattedTime_ || this.formatTime_(0));
+    this.contentEl_.appendChild(this.textNode_);
+  };
+
+  /**
+   * Generates a formatted time for this component to use in display.
+   *
+   * @param  {number} time
+   *         A numeric time, in seconds.
+   *
+   * @return {string}
+   *         A formatted time
+   *
+   * @private
+   */
+
+
+  TimeDisplay.prototype.formatTime_ = function formatTime_(time) {
+    return formatTime(time);
+  };
+
+  /**
+   * Updates the time display text node if it has what was passed in changed
+   * the formatted time.
+   *
+   * @param {number} time
+   *        The time to update to
+   *
+   * @private
+   */
+
+
+  TimeDisplay.prototype.updateFormattedTime_ = function updateFormattedTime_(time) {
+    var formattedTime = this.formatTime_(time);
+
+    if (formattedTime === this.formattedTime_) {
+      return;
+    }
+
+    this.formattedTime_ = formattedTime;
+    this.requestAnimationFrame(this.updateTextNode_);
+  };
+
+  /**
+   * To be filled out in the child class, should update the displayed time
+   * in accordance with the fact that the current time has changed.
+   *
+   * @param {EventTarget~Event} [event]
+   *        The `timeupdate`  event that caused this to run.
+   *
+   * @listens Player#timeupdate
+   */
+
+
+  TimeDisplay.prototype.updateContent = function updateContent(event) {};
+
+  return TimeDisplay;
+}(Component);
+
+/**
+ * The text that is added to the `TimeDisplay` for screen reader users.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+TimeDisplay.prototype.labelText_ = 'Time';
+
+/**
+ * The text that should display over the `TimeDisplay`s controls. Added to for localization.
+ *
+ * @type {string}
+ * @private
+ *
+ * @deprecated in v7; controlText_ is not used in non-active display Components
+ */
+TimeDisplay.prototype.controlText_ = 'Time';
+
+Component.registerComponent('TimeDisplay', TimeDisplay);
+
+/**
+ * @file current-time-display.js
+ */
+
+/**
+ * Displays the current time
+ *
+ * @extends Component
+ */
+
+var CurrentTimeDisplay = function (_TimeDisplay) {
+  inherits(CurrentTimeDisplay, _TimeDisplay);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   */
+  function CurrentTimeDisplay(player, options) {
+    classCallCheck(this, CurrentTimeDisplay);
+
+    var _this = possibleConstructorReturn(this, _TimeDisplay.call(this, player, options));
+
+    _this.on(player, 'ended', _this.handleEnded);
+    return _this;
+  }
+
+  /**
+   * Builds the default DOM `className`.
+   *
+   * @return {string}
+   *         The DOM `className` for this object.
+   */
+
+
+  CurrentTimeDisplay.prototype.buildCSSClass = function buildCSSClass() {
+    return 'vjs-current-time';
+  };
+
+  /**
+   * Update current time display
+   *
+   * @param {EventTarget~Event} [event]
+   *        The `timeupdate` event that caused this function to run.
+   *
+   * @listens Player#timeupdate
+   */
+
+
+  CurrentTimeDisplay.prototype.updateContent = function updateContent(event) {
+    // Allows for smooth scrubbing, when player can't keep up.
+    var time = this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();
+
+    this.updateFormattedTime_(time);
+  };
+
+  /**
+   * When the player fires ended there should be no time left. Sadly
+   * this is not always the case, lets make it seem like that is the case
+   * for users.
+   *
+   * @param {EventTarget~Event} [event]
+   *        The `ended` event that caused this to run.
+   *
+   * @listens Player#ended
+   */
+
+
+  CurrentTimeDisplay.prototype.handleEnded = function handleEnded(event) {
+    if (!this.player_.duration()) {
+      return;
+    }
+    this.updateFormattedTime_(this.player_.duration());
+  };
+
+  return CurrentTimeDisplay;
+}(TimeDisplay);
+
+/**
+ * The text that is added to the `CurrentTimeDisplay` for screen reader users.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+CurrentTimeDisplay.prototype.labelText_ = 'Current Time';
+
+/**
+ * The text that should display over the `CurrentTimeDisplay`s controls. Added to for localization.
+ *
+ * @type {string}
+ * @private
+ *
+ * @deprecated in v7; controlText_ is not used in non-active display Components
+ */
+CurrentTimeDisplay.prototype.controlText_ = 'Current Time';
+
+Component.registerComponent('CurrentTimeDisplay', CurrentTimeDisplay);
+
+/**
+ * @file duration-display.js
+ */
+
+/**
+ * Displays the duration
+ *
+ * @extends Component
+ */
+
+var DurationDisplay = function (_TimeDisplay) {
+  inherits(DurationDisplay, _TimeDisplay);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   */
+  function DurationDisplay(player, options) {
+    classCallCheck(this, DurationDisplay);
+
+    // we do not want to/need to throttle duration changes,
+    // as they should always display the changed duration as
+    // it has changed
+    var _this = possibleConstructorReturn(this, _TimeDisplay.call(this, player, options));
+
+    _this.on(player, 'durationchange', _this.updateContent);
+
+    // Also listen for timeupdate (in the parent) and loadedmetadata because removing those
+    // listeners could have broken dependent applications/libraries. These
+    // can likely be removed for 7.0.
+    _this.on(player, 'loadedmetadata', _this.throttledUpdateContent);
+    return _this;
+  }
+
+  /**
+   * Builds the default DOM `className`.
+   *
+   * @return {string}
+   *         The DOM `className` for this object.
+   */
+
+
+  DurationDisplay.prototype.buildCSSClass = function buildCSSClass() {
+    return 'vjs-duration';
+  };
+
+  /**
+   * Update duration time display.
+   *
+   * @param {EventTarget~Event} [event]
+   *        The `durationchange`, `timeupdate`, or `loadedmetadata` event that caused
+   *        this function to be called.
+   *
+   * @listens Player#durationchange
+   * @listens Player#timeupdate
+   * @listens Player#loadedmetadata
+   */
+
+
+  DurationDisplay.prototype.updateContent = function updateContent(event) {
+    var duration = this.player_.duration();
+
+    if (duration && this.duration_ !== duration) {
+      this.duration_ = duration;
+      this.updateFormattedTime_(duration);
+    }
+  };
+
+  return DurationDisplay;
+}(TimeDisplay);
+
+/**
+ * The text that is added to the `DurationDisplay` for screen reader users.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+DurationDisplay.prototype.labelText_ = 'Duration';
+
+/**
+ * The text that should display over the `DurationDisplay`s controls. Added to for localization.
+ *
+ * @type {string}
+ * @private
+ *
+ * @deprecated in v7; controlText_ is not used in non-active display Components
+ */
+DurationDisplay.prototype.controlText_ = 'Duration';
+
+Component.registerComponent('DurationDisplay', DurationDisplay);
+
+/**
+ * @file time-divider.js
+ */
+
+/**
+ * The separator between the current time and duration.
+ * Can be hidden if it's not needed in the design.
+ *
+ * @extends Component
+ */
+
+var TimeDivider = function (_Component) {
+  inherits(TimeDivider, _Component);
+
+  function TimeDivider() {
+    classCallCheck(this, TimeDivider);
+    return possibleConstructorReturn(this, _Component.apply(this, arguments));
+  }
+
+  /**
+   * Create the component's DOM element
+   *
+   * @return {Element}
+   *         The element that was created.
+   */
+  TimeDivider.prototype.createEl = function createEl() {
+    return _Component.prototype.createEl.call(this, 'div', {
+      className: 'vjs-time-control vjs-time-divider',
+      innerHTML: '<div><span>/</span></div>'
+    });
+  };
+
+  return TimeDivider;
+}(Component);
+
+Component.registerComponent('TimeDivider', TimeDivider);
+
+/**
+ * @file remaining-time-display.js
+ */
+/**
+ * Displays the time left in the video
+ *
+ * @extends Component
+ */
+
+var RemainingTimeDisplay = function (_TimeDisplay) {
+  inherits(RemainingTimeDisplay, _TimeDisplay);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   */
+  function RemainingTimeDisplay(player, options) {
+    classCallCheck(this, RemainingTimeDisplay);
+
+    var _this = possibleConstructorReturn(this, _TimeDisplay.call(this, player, options));
+
+    _this.on(player, 'durationchange', _this.throttledUpdateContent);
+    _this.on(player, 'ended', _this.handleEnded);
+    return _this;
+  }
+
+  /**
+   * Builds the default DOM `className`.
+   *
+   * @return {string}
+   *         The DOM `className` for this object.
+   */
+
+
+  RemainingTimeDisplay.prototype.buildCSSClass = function buildCSSClass() {
+    return 'vjs-remaining-time';
+  };
+
+  /**
+   * The remaining time display prefixes numbers with a "minus" character.
+   *
+   * @param  {number} time
+   *         A numeric time, in seconds.
+   *
+   * @return {string}
+   *         A formatted time
+   *
+   * @private
+   */
+
+
+  RemainingTimeDisplay.prototype.formatTime_ = function formatTime_(time) {
+    // TODO: The "-" should be decorative, and not announced by a screen reader
+    return '-' + _TimeDisplay.prototype.formatTime_.call(this, time);
+  };
+
+  /**
+   * Update remaining time display.
+   *
+   * @param {EventTarget~Event} [event]
+   *        The `timeupdate` or `durationchange` event that caused this to run.
+   *
+   * @listens Player#timeupdate
+   * @listens Player#durationchange
+   */
+
+
+  RemainingTimeDisplay.prototype.updateContent = function updateContent(event) {
+    if (!this.player_.duration()) {
+      return;
+    }
+
+    // @deprecated We should only use remainingTimeDisplay
+    // as of video.js 7
+    if (this.player_.remainingTimeDisplay) {
+      this.updateFormattedTime_(this.player_.remainingTimeDisplay());
+    } else {
+      this.updateFormattedTime_(this.player_.remainingTime());
+    }
+  };
+
+  /**
+   * When the player fires ended there should be no time left. Sadly
+   * this is not always the case, lets make it seem like that is the case
+   * for users.
+   *
+   * @param {EventTarget~Event} [event]
+   *        The `ended` event that caused this to run.
+   *
+   * @listens Player#ended
+   */
+
+
+  RemainingTimeDisplay.prototype.handleEnded = function handleEnded(event) {
+    if (!this.player_.duration()) {
+      return;
+    }
+    this.updateFormattedTime_(0);
+  };
+
+  return RemainingTimeDisplay;
+}(TimeDisplay);
+
+/**
+ * The text that is added to the `RemainingTimeDisplay` for screen reader users.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+RemainingTimeDisplay.prototype.labelText_ = 'Remaining Time';
+
+/**
+ * The text that should display over the `RemainingTimeDisplay`s controls. Added to for localization.
+ *
+ * @type {string}
+ * @private
+ *
+ * @deprecated in v7; controlText_ is not used in non-active display Components
+ */
+RemainingTimeDisplay.prototype.controlText_ = 'Remaining Time';
+
+Component.registerComponent('RemainingTimeDisplay', RemainingTimeDisplay);
+
+/**
+ * @file live-display.js
+ */
+
+// TODO - Future make it click to snap to live
+
+/**
+ * Displays the live indicator when duration is Infinity.
+ *
+ * @extends Component
+ */
+
+var LiveDisplay = function (_Component) {
+  inherits(LiveDisplay, _Component);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   */
+  function LiveDisplay(player, options) {
+    classCallCheck(this, LiveDisplay);
+
+    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+    _this.updateShowing();
+    _this.on(_this.player(), 'durationchange', _this.updateShowing);
+    return _this;
+  }
+
+  /**
+   * Create the `Component`'s DOM element
+   *
+   * @return {Element}
+   *         The element that was created.
+   */
+
+
+  LiveDisplay.prototype.createEl = function createEl$$1() {
+    var el = _Component.prototype.createEl.call(this, 'div', {
+      className: 'vjs-live-control vjs-control'
+    });
+
+    this.contentEl_ = createEl('div', {
+      className: 'vjs-live-display',
+      innerHTML: '<span class="vjs-control-text">' + this.localize('Stream Type') + '\xA0</span>' + this.localize('LIVE')
+    }, {
+      'aria-live': 'off'
+    });
+
+    el.appendChild(this.contentEl_);
+    return el;
+  };
+
+  LiveDisplay.prototype.dispose = function dispose() {
+    this.contentEl_ = null;
+
+    _Component.prototype.dispose.call(this);
+  };
+
+  /**
+   * Check the duration to see if the LiveDisplay should be showing or not. Then show/hide
+   * it accordingly
+   *
+   * @param {EventTarget~Event} [event]
+   *        The {@link Player#durationchange} event that caused this function to run.
+   *
+   * @listens Player#durationchange
+   */
+
+
+  LiveDisplay.prototype.updateShowing = function updateShowing(event) {
+    if (this.player().duration() === Infinity) {
+      this.show();
+    } else {
+      this.hide();
+    }
+  };
+
+  return LiveDisplay;
+}(Component);
+
+Component.registerComponent('LiveDisplay', LiveDisplay);
+
+/**
+ * @file slider.js
+ */
+
+/**
+ * The base functionality for a slider. Can be vertical or horizontal.
+ * For instance the volume bar or the seek bar on a video is a slider.
+ *
+ * @extends Component
+ */
+
+var Slider = function (_Component) {
+  inherits(Slider, _Component);
+
+  /**
+   * Create an instance of this class
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   */
+  function Slider(player, options) {
+    classCallCheck(this, Slider);
+
+    // Set property names to bar to match with the child Slider class is looking for
+    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+    _this.bar = _this.getChild(_this.options_.barName);
+
+    // Set a horizontal or vertical class on the slider depending on the slider type
+    _this.vertical(!!_this.options_.vertical);
+
+    _this.enable();
+    return _this;
+  }
+
+  /**
+   * Are controls are currently enabled for this slider or not.
+   *
+   * @return {boolean}
+   *         true if controls are enabled, false otherwise
+   */
+
+
+  Slider.prototype.enabled = function enabled() {
+    return this.enabled_;
+  };
+
+  /**
+   * Enable controls for this slider if they are disabled
+   */
+
+
+  Slider.prototype.enable = function enable() {
+    if (this.enabled()) {
+      return;
+    }
+
+    this.on('mousedown', this.handleMouseDown);
+    this.on('touchstart', this.handleMouseDown);
+    this.on('focus', this.handleFocus);
+    this.on('blur', this.handleBlur);
+    this.on('click', this.handleClick);
+
+    this.on(this.player_, 'controlsvisible', this.update);
+
+    if (this.playerEvent) {
+      this.on(this.player_, this.playerEvent, this.update);
+    }
+
+    this.removeClass('disabled');
+    this.setAttribute('tabindex', 0);
+
+    this.enabled_ = true;
+  };
+
+  /**
+   * Disable controls for this slider if they are enabled
+   */
+
+
+  Slider.prototype.disable = function disable() {
+    if (!this.enabled()) {
+      return;
+    }
+    var doc = this.bar.el_.ownerDocument;
+
+    this.off('mousedown', this.handleMouseDown);
+    this.off('touchstart', this.handleMouseDown);
+    this.off('focus', this.handleFocus);
+    this.off('blur', this.handleBlur);
+    this.off('click', this.handleClick);
+    this.off(this.player_, 'controlsvisible', this.update);
+    this.off(doc, 'mousemove', this.handleMouseMove);
+    this.off(doc, 'mouseup', this.handleMouseUp);
+    this.off(doc, 'touchmove', this.handleMouseMove);
+    this.off(doc, 'touchend', this.handleMouseUp);
+    this.removeAttribute('tabindex');
+
+    this.addClass('disabled');
+
+    if (this.playerEvent) {
+      this.off(this.player_, this.playerEvent, this.update);
+    }
+    this.enabled_ = false;
+  };
+
+  /**
+   * Create the `Slider`s DOM element.
+   *
+   * @param {string} type
+   *        Type of element to create.
+   *
+   * @param {Object} [props={}]
+   *        List of properties in Object form.
+   *
+   * @param {Object} [attributes={}]
+   *        list of attributes in Object form.
+   *
+   * @return {Element}
+   *         The element that gets created.
+   */
+
+
+  Slider.prototype.createEl = function createEl$$1(type) {
+    var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+    var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+    // Add the slider element class to all sub classes
+    props.className = props.className + ' vjs-slider';
+    props = assign({
+      tabIndex: 0
+    }, props);
+
+    attributes = assign({
+      'role': 'slider',
+      'aria-valuenow': 0,
+      'aria-valuemin': 0,
+      'aria-valuemax': 100,
+      'tabIndex': 0
+    }, attributes);
+
+    return _Component.prototype.createEl.call(this, type, props, attributes);
+  };
+
+  /**
+   * Handle `mousedown` or `touchstart` events on the `Slider`.
+   *
+   * @param {EventTarget~Event} event
+   *        `mousedown` or `touchstart` event that triggered this function
+   *
+   * @listens mousedown
+   * @listens touchstart
+   * @fires Slider#slideractive
+   */
+
+
+  Slider.prototype.handleMouseDown = function handleMouseDown(event) {
+    var doc = this.bar.el_.ownerDocument;
+
+    if (event.type === 'mousedown') {
+      event.preventDefault();
+    }
+    // Do not call preventDefault() on touchstart in Chrome
+    // to avoid console warnings. Use a 'touch-action: none' style
+    // instead to prevent unintented scrolling.
+    // https://developers.google.com/web/updates/2017/01/scrolling-intervention
+    if (event.type === 'touchstart' && !IS_CHROME) {
+      event.preventDefault();
+    }
+    blockTextSelection();
+
+    this.addClass('vjs-sliding');
+    /**
+     * Triggered when the slider is in an active state
+     *
+     * @event Slider#slideractive
+     * @type {EventTarget~Event}
+     */
+    this.trigger('slideractive');
+
+    this.on(doc, 'mousemove', this.handleMouseMove);
+    this.on(doc, 'mouseup', this.handleMouseUp);
+    this.on(doc, 'touchmove', this.handleMouseMove);
+    this.on(doc, 'touchend', this.handleMouseUp);
+
+    this.handleMouseMove(event);
+  };
+
+  /**
+   * Handle the `mousemove`, `touchmove`, and `mousedown` events on this `Slider`.
+   * The `mousemove` and `touchmove` events will only only trigger this function during
+   * `mousedown` and `touchstart`. This is due to {@link Slider#handleMouseDown} and
+   * {@link Slider#handleMouseUp}.
+   *
+   * @param {EventTarget~Event} event
+   *        `mousedown`, `mousemove`, `touchstart`, or `touchmove` event that triggered
+   *        this function
+   *
+   * @listens mousemove
+   * @listens touchmove
+   */
+
+
+  Slider.prototype.handleMouseMove = function handleMouseMove(event) {};
+
+  /**
+   * Handle `mouseup` or `touchend` events on the `Slider`.
+   *
+   * @param {EventTarget~Event} event
+   *        `mouseup` or `touchend` event that triggered this function.
+   *
+   * @listens touchend
+   * @listens mouseup
+   * @fires Slider#sliderinactive
+   */
+
+
+  Slider.prototype.handleMouseUp = function handleMouseUp() {
+    var doc = this.bar.el_.ownerDocument;
+
+    unblockTextSelection();
+
+    this.removeClass('vjs-sliding');
+    /**
+     * Triggered when the slider is no longer in an active state.
+     *
+     * @event Slider#sliderinactive
+     * @type {EventTarget~Event}
+     */
+    this.trigger('sliderinactive');
+
+    this.off(doc, 'mousemove', this.handleMouseMove);
+    this.off(doc, 'mouseup', this.handleMouseUp);
+    this.off(doc, 'touchmove', this.handleMouseMove);
+    this.off(doc, 'touchend', this.handleMouseUp);
+
+    this.update();
+  };
+
+  /**
+   * Update the progress bar of the `Slider`.
+   *
+   * @returns {number}
+   *          The percentage of progress the progress bar represents as a
+   *          number from 0 to 1.
+   */
+
+
+  Slider.prototype.update = function update() {
+
+    // In VolumeBar init we have a setTimeout for update that pops and update
+    // to the end of the execution stack. The player is destroyed before then
+    // update will cause an error
+    if (!this.el_) {
+      return;
+    }
+
+    // If scrubbing, we could use a cached value to make the handle keep up
+    // with the user's mouse. On HTML5 browsers scrubbing is really smooth, but
+    // some flash players are slow, so we might want to utilize this later.
+    // var progress =  (this.player_.scrubbing()) ? this.player_.getCache().currentTime / this.player_.duration() : this.player_.currentTime() / this.player_.duration();
+    var progress = this.getPercent();
+    var bar = this.bar;
+
+    // If there's no bar...
+    if (!bar) {
+      return;
+    }
+
+    // Protect against no duration and other division issues
+    if (typeof progress !== 'number' || progress !== progress || progress < 0 || progress === Infinity) {
+      progress = 0;
+    }
+
+    // Convert to a percentage for setting
+    var percentage = (progress * 100).toFixed(2) + '%';
+    var style = bar.el().style;
+
+    // Set the new bar width or height
+    if (this.vertical()) {
+      style.height = percentage;
+    } else {
+      style.width = percentage;
+    }
+
+    return progress;
+  };
+
+  /**
+   * Calculate distance for slider
+   *
+   * @param {EventTarget~Event} event
+   *        The event that caused this function to run.
+   *
+   * @return {number}
+   *         The current position of the Slider.
+   *         - position.x for vertical `Slider`s
+   *         - position.y for horizontal `Slider`s
+   */
+
+
+  Slider.prototype.calculateDistance = function calculateDistance(event) {
+    var position = getPointerPosition(this.el_, event);
+
+    if (this.vertical()) {
+      return position.y;
+    }
+    return position.x;
+  };
+
+  /**
+   * Handle a `focus` event on this `Slider`.
+   *
+   * @param {EventTarget~Event} event
+   *        The `focus` event that caused this function to run.
+   *
+   * @listens focus
+   */
+
+
+  Slider.prototype.handleFocus = function handleFocus() {
+    this.on(this.bar.el_.ownerDocument, 'keydown', this.handleKeyPress);
+  };
+
+  /**
+   * Handle a `keydown` event on the `Slider`. Watches for left, rigth, up, and down
+   * arrow keys. This function will only be called when the slider has focus. See
+   * {@link Slider#handleFocus} and {@link Slider#handleBlur}.
+   *
+   * @param {EventTarget~Event} event
+   *        the `keydown` event that caused this function to run.
+   *
+   * @listens keydown
+   */
+
+
+  Slider.prototype.handleKeyPress = function handleKeyPress(event) {
+    // Left and Down Arrows
+    if (event.which === 37 || event.which === 40) {
+      event.preventDefault();
+      this.stepBack();
+
+      // Up and Right Arrows
+    } else if (event.which === 38 || event.which === 39) {
+      event.preventDefault();
+      this.stepForward();
+    }
+  };
+
+  /**
+   * Handle a `blur` event on this `Slider`.
+   *
+   * @param {EventTarget~Event} event
+   *        The `blur` event that caused this function to run.
+   *
+   * @listens blur
+   */
+
+  Slider.prototype.handleBlur = function handleBlur() {
+    this.off(this.bar.el_.ownerDocument, 'keydown', this.handleKeyPress);
+  };
+
+  /**
+   * Listener for click events on slider, used to prevent clicks
+   *   from bubbling up to parent elements like button menus.
+   *
+   * @param {Object} event
+   *        Event that caused this object to run
+   */
+
+
+  Slider.prototype.handleClick = function handleClick(event) {
+    event.stopImmediatePropagation();
+    event.preventDefault();
+  };
+
+  /**
+   * Get/set if slider is horizontal for vertical
+   *
+   * @param {boolean} [bool]
+   *        - true if slider is vertical,
+   *        - false is horizontal
+   *
+   * @return {boolean}
+   *         - true if slider is vertical, and getting
+   *         - false if the slider is horizontal, and getting
+   */
+
+
+  Slider.prototype.vertical = function vertical(bool) {
+    if (bool === undefined) {
+      return this.vertical_ || false;
+    }
+
+    this.vertical_ = !!bool;
+
+    if (this.vertical_) {
+      this.addClass('vjs-slider-vertical');
+    } else {
+      this.addClass('vjs-slider-horizontal');
+    }
+  };
+
+  return Slider;
+}(Component);
+
+Component.registerComponent('Slider', Slider);
+
+/**
+ * @file load-progress-bar.js
+ */
+
+/**
+ * Shows loading progress
+ *
+ * @extends Component
+ */
+
+var LoadProgressBar = function (_Component) {
+  inherits(LoadProgressBar, _Component);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   */
+  function LoadProgressBar(player, options) {
+    classCallCheck(this, LoadProgressBar);
+
+    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+    _this.partEls_ = [];
+    _this.on(player, 'progress', _this.update);
+    return _this;
+  }
+
+  /**
+   * Create the `Component`'s DOM element
+   *
+   * @return {Element}
+   *         The element that was created.
+   */
+
+
+  LoadProgressBar.prototype.createEl = function createEl$$1() {
+    return _Component.prototype.createEl.call(this, 'div', {
+      className: 'vjs-load-progress',
+      innerHTML: '<span class="vjs-control-text"><span>' + this.localize('Loaded') + '</span>: 0%</span>'
+    });
+  };
+
+  LoadProgressBar.prototype.dispose = function dispose() {
+    this.partEls_ = null;
+
+    _Component.prototype.dispose.call(this);
+  };
+
+  /**
+   * Update progress bar
+   *
+   * @param {EventTarget~Event} [event]
+   *        The `progress` event that caused this function to run.
+   *
+   * @listens Player#progress
+   */
+
+
+  LoadProgressBar.prototype.update = function update(event) {
+    var buffered = this.player_.buffered();
+    var duration = this.player_.duration();
+    var bufferedEnd = this.player_.bufferedEnd();
+    var children = this.partEls_;
+
+    // get the percent width of a time compared to the total end
+    var percentify = function percentify(time, end) {
+      // no NaN
+      var percent = time / end || 0;
+
+      return (percent >= 1 ? 1 : percent) * 100 + '%';
+    };
+
+    // update the width of the progress bar
+    this.el_.style.width = percentify(bufferedEnd, duration);
+
+    // add child elements to represent the individual buffered time ranges
+    for (var i = 0; i < buffered.length; i++) {
+      var start = buffered.start(i);
+      var end = buffered.end(i);
+      var part = children[i];
+
+      if (!part) {
+        part = this.el_.appendChild(createEl());
+        children[i] = part;
+      }
+
+      // set the percent based on the width of the progress bar (bufferedEnd)
+      part.style.left = percentify(start, bufferedEnd);
+      part.style.width = percentify(end - start, bufferedEnd);
+    }
+
+    // remove unused buffered range elements
+    for (var _i = children.length; _i > buffered.length; _i--) {
+      this.el_.removeChild(children[_i - 1]);
+    }
+    children.length = buffered.length;
+  };
+
+  return LoadProgressBar;
+}(Component);
+
+Component.registerComponent('LoadProgressBar', LoadProgressBar);
+
+/**
+ * @file time-tooltip.js
+ */
+
+/**
+ * Time tooltips display a time above the progress bar.
+ *
+ * @extends Component
+ */
+
+var TimeTooltip = function (_Component) {
+  inherits(TimeTooltip, _Component);
+
+  function TimeTooltip() {
+    classCallCheck(this, TimeTooltip);
+    return possibleConstructorReturn(this, _Component.apply(this, arguments));
+  }
+
+  /**
+   * Create the time tooltip DOM element
+   *
+   * @return {Element}
+   *         The element that was created.
+   */
+  TimeTooltip.prototype.createEl = function createEl$$1() {
+    return _Component.prototype.createEl.call(this, 'div', {
+      className: 'vjs-time-tooltip'
+    });
+  };
+
+  /**
+   * Updates the position of the time tooltip relative to the `SeekBar`.
+   *
+   * @param {Object} seekBarRect
+   *        The `ClientRect` for the {@link SeekBar} element.
+   *
+   * @param {number} seekBarPoint
+   *        A number from 0 to 1, representing a horizontal reference point
+   *        from the left edge of the {@link SeekBar}
+   */
+
+
+  TimeTooltip.prototype.update = function update(seekBarRect, seekBarPoint, content) {
+    var tooltipRect = getBoundingClientRect(this.el_);
+    var playerRect = getBoundingClientRect(this.player_.el());
+    var seekBarPointPx = seekBarRect.width * seekBarPoint;
+
+    // do nothing if either rect isn't available
+    // for example, if the player isn't in the DOM for testing
+    if (!playerRect || !tooltipRect) {
+      return;
+    }
+
+    // This is the space left of the `seekBarPoint` available within the bounds
+    // of the player. We calculate any gap between the left edge of the player
+    // and the left edge of the `SeekBar` and add the number of pixels in the
+    // `SeekBar` before hitting the `seekBarPoint`
+    var spaceLeftOfPoint = seekBarRect.left - playerRect.left + seekBarPointPx;
+
+    // This is the space right of the `seekBarPoint` available within the bounds
+    // of the player. We calculate the number of pixels from the `seekBarPoint`
+    // to the right edge of the `SeekBar` and add to that any gap between the
+    // right edge of the `SeekBar` and the player.
+    var spaceRightOfPoint = seekBarRect.width - seekBarPointPx + (playerRect.right - seekBarRect.right);
+
+    // This is the number of pixels by which the tooltip will need to be pulled
+    // further to the right to center it over the `seekBarPoint`.
+    var pullTooltipBy = tooltipRect.width / 2;
+
+    // Adjust the `pullTooltipBy` distance to the left or right depending on
+    // the results of the space calculations above.
+    if (spaceLeftOfPoint < pullTooltipBy) {
+      pullTooltipBy += pullTooltipBy - spaceLeftOfPoint;
+    } else if (spaceRightOfPoint < pullTooltipBy) {
+      pullTooltipBy = spaceRightOfPoint;
+    }
+
+    // Due to the imprecision of decimal/ratio based calculations and varying
+    // rounding behaviors, there are cases where the spacing adjustment is off
+    // by a pixel or two. This adds insurance to these calculations.
+    if (pullTooltipBy < 0) {
+      pullTooltipBy = 0;
+    } else if (pullTooltipBy > tooltipRect.width) {
+      pullTooltipBy = tooltipRect.width;
+    }
+
+    this.el_.style.right = '-' + pullTooltipBy + 'px';
+    textContent(this.el_, content);
+  };
+
+  return TimeTooltip;
+}(Component);
+
+Component.registerComponent('TimeTooltip', TimeTooltip);
+
+/**
+ * @file play-progress-bar.js
+ */
+
+/**
+ * Used by {@link SeekBar} to display media playback progress as part of the
+ * {@link ProgressControl}.
+ *
+ * @extends Component
+ */
+
+var PlayProgressBar = function (_Component) {
+  inherits(PlayProgressBar, _Component);
+
+  function PlayProgressBar() {
+    classCallCheck(this, PlayProgressBar);
+    return possibleConstructorReturn(this, _Component.apply(this, arguments));
+  }
+
+  /**
+   * Create the the DOM element for this class.
+   *
+   * @return {Element}
+   *         The element that was created.
+   */
+  PlayProgressBar.prototype.createEl = function createEl() {
+    return _Component.prototype.createEl.call(this, 'div', {
+      className: 'vjs-play-progress vjs-slider-bar',
+      innerHTML: '<span class="vjs-control-text"><span>' + this.localize('Progress') + '</span>: 0%</span>'
+    });
+  };
+
+  /**
+   * Enqueues updates to its own DOM as well as the DOM of its
+   * {@link TimeTooltip} child.
+   *
+   * @param {Object} seekBarRect
+   *        The `ClientRect` for the {@link SeekBar} element.
+   *
+   * @param {number} seekBarPoint
+   *        A number from 0 to 1, representing a horizontal reference point
+   *        from the left edge of the {@link SeekBar}
+   */
+
+
+  PlayProgressBar.prototype.update = function update(seekBarRect, seekBarPoint) {
+    var _this2 = this;
+
+    // If there is an existing rAF ID, cancel it so we don't over-queue.
+    if (this.rafId_) {
+      this.cancelAnimationFrame(this.rafId_);
+    }
+
+    this.rafId_ = this.requestAnimationFrame(function () {
+      var time = _this2.player_.scrubbing() ? _this2.player_.getCache().currentTime : _this2.player_.currentTime();
+
+      var content = formatTime(time, _this2.player_.duration());
+      var timeTooltip = _this2.getChild('timeTooltip');
+
+      if (timeTooltip) {
+        timeTooltip.update(seekBarRect, seekBarPoint, content);
+      }
+    });
+  };
+
+  return PlayProgressBar;
+}(Component);
+
+/**
+ * Default options for {@link PlayProgressBar}.
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+PlayProgressBar.prototype.options_ = {
+  children: []
+};
+
+// Time tooltips should not be added to a player on mobile devices
+if (!IS_IOS && !IS_ANDROID) {
+  PlayProgressBar.prototype.options_.children.push('timeTooltip');
+}
+
+Component.registerComponent('PlayProgressBar', PlayProgressBar);
+
+/**
+ * @file mouse-time-display.js
+ */
+
+/**
+ * The {@link MouseTimeDisplay} component tracks mouse movement over the
+ * {@link ProgressControl}. It displays an indicator and a {@link TimeTooltip}
+ * indicating the time which is represented by a given point in the
+ * {@link ProgressControl}.
+ *
+ * @extends Component
+ */
+
+var MouseTimeDisplay = function (_Component) {
+  inherits(MouseTimeDisplay, _Component);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The {@link Player} that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   */
+  function MouseTimeDisplay(player, options) {
+    classCallCheck(this, MouseTimeDisplay);
+
+    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+    _this.update = throttle(bind(_this, _this.update), 25);
+    return _this;
+  }
+
+  /**
+   * Create the DOM element for this class.
+   *
+   * @return {Element}
+   *         The element that was created.
+   */
+
+
+  MouseTimeDisplay.prototype.createEl = function createEl() {
+    return _Component.prototype.createEl.call(this, 'div', {
+      className: 'vjs-mouse-display'
+    });
+  };
+
+  /**
+   * Enqueues updates to its own DOM as well as the DOM of its
+   * {@link TimeTooltip} child.
+   *
+   * @param {Object} seekBarRect
+   *        The `ClientRect` for the {@link SeekBar} element.
+   *
+   * @param {number} seekBarPoint
+   *        A number from 0 to 1, representing a horizontal reference point
+   *        from the left edge of the {@link SeekBar}
+   */
+
+
+  MouseTimeDisplay.prototype.update = function update(seekBarRect, seekBarPoint) {
+    var _this2 = this;
+
+    // If there is an existing rAF ID, cancel it so we don't over-queue.
+    if (this.rafId_) {
+      this.cancelAnimationFrame(this.rafId_);
+    }
+
+    this.rafId_ = this.requestAnimationFrame(function () {
+      var duration = _this2.player_.duration();
+      var content = formatTime(seekBarPoint * duration, duration);
+
+      _this2.el_.style.left = seekBarRect.width * seekBarPoint + 'px';
+      _this2.getChild('timeTooltip').update(seekBarRect, seekBarPoint, content);
+    });
+  };
+
+  return MouseTimeDisplay;
+}(Component);
+
+/**
+ * Default options for `MouseTimeDisplay`
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+MouseTimeDisplay.prototype.options_ = {
+  children: ['timeTooltip']
+};
+
+Component.registerComponent('MouseTimeDisplay', MouseTimeDisplay);
+
+/**
+ * @file seek-bar.js
+ */
+
+// The number of seconds the `step*` functions move the timeline.
+var STEP_SECONDS = 5;
+
+// The interval at which the bar should update as it progresses.
+var UPDATE_REFRESH_INTERVAL = 30;
+
+/**
+ * Seek bar and container for the progress bars. Uses {@link PlayProgressBar}
+ * as its `bar`.
+ *
+ * @extends Slider
+ */
+
+var SeekBar = function (_Slider) {
+  inherits(SeekBar, _Slider);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   */
+  function SeekBar(player, options) {
+    classCallCheck(this, SeekBar);
+
+    var _this = possibleConstructorReturn(this, _Slider.call(this, player, options));
+
+    _this.setEventHandlers_();
+    return _this;
+  }
+
+  /**
+   * Sets the event handlers
+   *
+   * @private
+   */
+
+
+  SeekBar.prototype.setEventHandlers_ = function setEventHandlers_() {
+    var _this2 = this;
+
+    this.update = throttle(bind(this, this.update), UPDATE_REFRESH_INTERVAL);
+
+    this.on(this.player_, 'timeupdate', this.update);
+    this.on(this.player_, 'ended', this.handleEnded);
+
+    // when playing, let's ensure we smoothly update the play progress bar
+    // via an interval
+    this.updateInterval = null;
+
+    this.on(this.player_, ['playing'], function () {
+      _this2.clearInterval(_this2.updateInterval);
+
+      _this2.updateInterval = _this2.setInterval(function () {
+        _this2.requestAnimationFrame(function () {
+          _this2.update();
+        });
+      }, UPDATE_REFRESH_INTERVAL);
+    });
+
+    this.on(this.player_, ['ended', 'pause', 'waiting'], function () {
+      _this2.clearInterval(_this2.updateInterval);
+    });
+
+    this.on(this.player_, ['timeupdate', 'ended'], this.update);
+  };
+
+  /**
+   * Create the `Component`'s DOM element
+   *
+   * @return {Element}
+   *         The element that was created.
+   */
+
+
+  SeekBar.prototype.createEl = function createEl$$1() {
+    return _Slider.prototype.createEl.call(this, 'div', {
+      className: 'vjs-progress-holder'
+    }, {
+      'aria-label': this.localize('Progress Bar')
+    });
+  };
+
+  /**
+   * This function updates the play progress bar and accessibility
+   * attributes to whatever is passed in.
+   *
+   * @param {number} currentTime
+   *        The currentTime value that should be used for accessibility
+   *
+   * @param {number} percent
+   *        The percentage as a decimal that the bar should be filled from 0-1.
+   *
+   * @private
+   */
+
+
+  SeekBar.prototype.update_ = function update_(currentTime, percent) {
+    var duration = this.player_.duration();
+
+    // machine readable value of progress bar (percentage complete)
+    this.el_.setAttribute('aria-valuenow', (percent * 100).toFixed(2));
+
+    // human readable value of progress bar (time complete)
+    this.el_.setAttribute('aria-valuetext', this.localize('progress bar timing: currentTime={1} duration={2}', [formatTime(currentTime, duration), formatTime(duration, duration)], '{1} of {2}'));
+
+    // Update the `PlayProgressBar`.
+    this.bar.update(getBoundingClientRect(this.el_), percent);
+  };
+
+  /**
+   * Update the seek bar's UI.
+   *
+   * @param {EventTarget~Event} [event]
+   *        The `timeupdate` or `ended` event that caused this to run.
+   *
+   * @listens Player#timeupdate
+   *
+   * @returns {number}
+   *          The current percent at a number from 0-1
+   */
+
+
+  SeekBar.prototype.update = function update(event) {
+    var percent = _Slider.prototype.update.call(this);
+
+    this.update_(this.getCurrentTime_(), percent);
+    return percent;
+  };
+
+  /**
+   * Get the value of current time but allows for smooth scrubbing,
+   * when player can't keep up.
+   *
+   * @return {number}
+   *         The current time value to display
+   *
+   * @private
+   */
+
+
+  SeekBar.prototype.getCurrentTime_ = function getCurrentTime_() {
+    return this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();
+  };
+
+  /**
+   * We want the seek bar to be full on ended
+   * no matter what the actual internal values are. so we force it.
+   *
+   * @param {EventTarget~Event} [event]
+   *        The `timeupdate` or `ended` event that caused this to run.
+   *
+   * @listens Player#ended
+   */
+
+
+  SeekBar.prototype.handleEnded = function handleEnded(event) {
+    this.update_(this.player_.duration(), 1);
+  };
+
+  /**
+   * Get the percentage of media played so far.
+   *
+   * @return {number}
+   *         The percentage of media played so far (0 to 1).
+   */
+
+
+  SeekBar.prototype.getPercent = function getPercent() {
+    var percent = this.getCurrentTime_() / this.player_.duration();
+
+    return percent >= 1 ? 1 : percent || 0;
+  };
+
+  /**
+   * Handle mouse down on seek bar
+   *
+   * @param {EventTarget~Event} event
+   *        The `mousedown` event that caused this to run.
+   *
+   * @listens mousedown
+   */
+
+
+  SeekBar.prototype.handleMouseDown = function handleMouseDown(event) {
+    if (!isSingleLeftClick(event)) {
+      return;
+    }
+
+    // Stop event propagation to prevent double fire in progress-control.js
+    event.stopPropagation();
+    this.player_.scrubbing(true);
+
+    this.videoWasPlaying = !this.player_.paused();
+    this.player_.pause();
+
+    _Slider.prototype.handleMouseDown.call(this, event);
+  };
+
+  /**
+   * Handle mouse move on seek bar
+   *
+   * @param {EventTarget~Event} event
+   *        The `mousemove` event that caused this to run.
+   *
+   * @listens mousemove
+   */
+
+
+  SeekBar.prototype.handleMouseMove = function handleMouseMove(event) {
+    if (!isSingleLeftClick(event)) {
+      return;
+    }
+
+    var newTime = this.calculateDistance(event) * this.player_.duration();
+
+    // Don't let video end while scrubbing.
+    if (newTime === this.player_.duration()) {
+      newTime = newTime - 0.1;
+    }
+
+    // Set new time (tell player to seek to new time)
+    this.player_.currentTime(newTime);
+  };
+
+  SeekBar.prototype.enable = function enable() {
+    _Slider.prototype.enable.call(this);
+    var mouseTimeDisplay = this.getChild('mouseTimeDisplay');
+
+    if (!mouseTimeDisplay) {
+      return;
+    }
+
+    mouseTimeDisplay.show();
+  };
+
+  SeekBar.prototype.disable = function disable() {
+    _Slider.prototype.disable.call(this);
+    var mouseTimeDisplay = this.getChild('mouseTimeDisplay');
+
+    if (!mouseTimeDisplay) {
+      return;
+    }
+
+    mouseTimeDisplay.hide();
+  };
+
+  /**
+   * Handle mouse up on seek bar
+   *
+   * @param {EventTarget~Event} event
+   *        The `mouseup` event that caused this to run.
+   *
+   * @listens mouseup
+   */
+
+
+  SeekBar.prototype.handleMouseUp = function handleMouseUp(event) {
+    _Slider.prototype.handleMouseUp.call(this, event);
+
+    // Stop event propagation to prevent double fire in progress-control.js
+    if (event) {
+      event.stopPropagation();
+    }
+    this.player_.scrubbing(false);
+
+    /**
+     * Trigger timeupdate because we're done seeking and the time has changed.
+     * This is particularly useful for if the player is paused to time the time displays.
+     *
+     * @event Tech#timeupdate
+     * @type {EventTarget~Event}
+     */
+    this.player_.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true });
+    if (this.videoWasPlaying) {
+      silencePromise(this.player_.play());
+    }
+  };
+
+  /**
+   * Move more quickly fast forward for keyboard-only users
+   */
+
+
+  SeekBar.prototype.stepForward = function stepForward() {
+    this.player_.currentTime(this.player_.currentTime() + STEP_SECONDS);
+  };
+
+  /**
+   * Move more quickly rewind for keyboard-only users
+   */
+
+
+  SeekBar.prototype.stepBack = function stepBack() {
+    this.player_.currentTime(this.player_.currentTime() - STEP_SECONDS);
+  };
+
+  /**
+   * Toggles the playback state of the player
+   * This gets called when enter or space is used on the seekbar
+   *
+   * @param {EventTarget~Event} event
+   *        The `keydown` event that caused this function to be called
+   *
+   */
+
+
+  SeekBar.prototype.handleAction = function handleAction(event) {
+    if (this.player_.paused()) {
+      this.player_.play();
+    } else {
+      this.player_.pause();
+    }
+  };
+
+  /**
+   * Called when this SeekBar has focus and a key gets pressed down. By
+   * default it will call `this.handleAction` when the key is space or enter.
+   *
+   * @param {EventTarget~Event} event
+   *        The `keydown` event that caused this function to be called.
+   *
+   * @listens keydown
+   */
+
+
+  SeekBar.prototype.handleKeyPress = function handleKeyPress(event) {
+
+    // Support Space (32) or Enter (13) key operation to fire a click event
+    if (event.which === 32 || event.which === 13) {
+      event.preventDefault();
+      this.handleAction(event);
+    } else if (_Slider.prototype.handleKeyPress) {
+
+      // Pass keypress handling up for unsupported keys
+      _Slider.prototype.handleKeyPress.call(this, event);
+    }
+  };
+
+  return SeekBar;
+}(Slider);
+
+/**
+ * Default options for the `SeekBar`
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+SeekBar.prototype.options_ = {
+  children: ['loadProgressBar', 'playProgressBar'],
+  barName: 'playProgressBar'
+};
+
+// MouseTimeDisplay tooltips should not be added to a player on mobile devices
+if (!IS_IOS && !IS_ANDROID) {
+  SeekBar.prototype.options_.children.splice(1, 0, 'mouseTimeDisplay');
+}
+
+/**
+ * Call the update event for this Slider when this event happens on the player.
+ *
+ * @type {string}
+ */
+SeekBar.prototype.playerEvent = 'timeupdate';
+
+Component.registerComponent('SeekBar', SeekBar);
+
+/**
+ * @file progress-control.js
+ */
+
+/**
+ * The Progress Control component contains the seek bar, load progress,
+ * and play progress.
+ *
+ * @extends Component
+ */
+
+var ProgressControl = function (_Component) {
+  inherits(ProgressControl, _Component);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   */
+  function ProgressControl(player, options) {
+    classCallCheck(this, ProgressControl);
+
+    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+    _this.handleMouseMove = throttle(bind(_this, _this.handleMouseMove), 25);
+    _this.throttledHandleMouseSeek = throttle(bind(_this, _this.handleMouseSeek), 25);
+
+    _this.enable();
+    return _this;
+  }
+
+  /**
+   * Create the `Component`'s DOM element
+   *
+   * @return {Element}
+   *         The element that was created.
+   */
+
+
+  ProgressControl.prototype.createEl = function createEl$$1() {
+    return _Component.prototype.createEl.call(this, 'div', {
+      className: 'vjs-progress-control vjs-control'
+    });
+  };
+
+  /**
+   * When the mouse moves over the `ProgressControl`, the pointer position
+   * gets passed down to the `MouseTimeDisplay` component.
+   *
+   * @param {EventTarget~Event} event
+   *        The `mousemove` event that caused this function to run.
+   *
+   * @listen mousemove
+   */
+
+
+  ProgressControl.prototype.handleMouseMove = function handleMouseMove(event) {
+    var seekBar = this.getChild('seekBar');
+
+    if (seekBar) {
+      var mouseTimeDisplay = seekBar.getChild('mouseTimeDisplay');
+      var seekBarEl = seekBar.el();
+      var seekBarRect = getBoundingClientRect(seekBarEl);
+      var seekBarPoint = getPointerPosition(seekBarEl, event).x;
+
+      // The default skin has a gap on either side of the `SeekBar`. This means
+      // that it's possible to trigger this behavior outside the boundaries of
+      // the `SeekBar`. This ensures we stay within it at all times.
+      if (seekBarPoint > 1) {
+        seekBarPoint = 1;
+      } else if (seekBarPoint < 0) {
+        seekBarPoint = 0;
+      }
+
+      if (mouseTimeDisplay) {
+        mouseTimeDisplay.update(seekBarRect, seekBarPoint);
+      }
+    }
+  };
+
+  /**
+   * A throttled version of the {@link ProgressControl#handleMouseSeek} listener.
+   *
+   * @method ProgressControl#throttledHandleMouseSeek
+   * @param {EventTarget~Event} event
+   *        The `mousemove` event that caused this function to run.
+   *
+   * @listen mousemove
+   * @listen touchmove
+   */
+
+  /**
+   * Handle `mousemove` or `touchmove` events on the `ProgressControl`.
+   *
+   * @param {EventTarget~Event} event
+   *        `mousedown` or `touchstart` event that triggered this function
+   *
+   * @listens mousemove
+   * @listens touchmove
+   */
+
+
+  ProgressControl.prototype.handleMouseSeek = function handleMouseSeek(event) {
+    var seekBar = this.getChild('seekBar');
+
+    if (seekBar) {
+      seekBar.handleMouseMove(event);
+    }
+  };
+
+  /**
+   * Are controls are currently enabled for this progress control.
+   *
+   * @return {boolean}
+   *         true if controls are enabled, false otherwise
+   */
+
+
+  ProgressControl.prototype.enabled = function enabled() {
+    return this.enabled_;
+  };
+
+  /**
+   * Disable all controls on the progress control and its children
+   */
+
+
+  ProgressControl.prototype.disable = function disable() {
+    this.children().forEach(function (child) {
+      return child.disable && child.disable();
+    });
+
+    if (!this.enabled()) {
+      return;
+    }
+
+    this.off(['mousedown', 'touchstart'], this.handleMouseDown);
+    this.off(this.el_, 'mousemove', this.handleMouseMove);
+    this.handleMouseUp();
+
+    this.addClass('disabled');
+
+    this.enabled_ = false;
+  };
+
+  /**
+   * Enable all controls on the progress control and its children
+   */
+
+
+  ProgressControl.prototype.enable = function enable() {
+    this.children().forEach(function (child) {
+      return child.enable && child.enable();
+    });
+
+    if (this.enabled()) {
+      return;
+    }
+
+    this.on(['mousedown', 'touchstart'], this.handleMouseDown);
+    this.on(this.el_, 'mousemove', this.handleMouseMove);
+    this.removeClass('disabled');
+
+    this.enabled_ = true;
+  };
+
+  /**
+   * Handle `mousedown` or `touchstart` events on the `ProgressControl`.
+   *
+   * @param {EventTarget~Event} event
+   *        `mousedown` or `touchstart` event that triggered this function
+   *
+   * @listens mousedown
+   * @listens touchstart
+   */
+
+
+  ProgressControl.prototype.handleMouseDown = function handleMouseDown(event) {
+    var doc = this.el_.ownerDocument;
+    var seekBar = this.getChild('seekBar');
+
+    if (seekBar) {
+      seekBar.handleMouseDown(event);
+    }
+
+    this.on(doc, 'mousemove', this.throttledHandleMouseSeek);
+    this.on(doc, 'touchmove', this.throttledHandleMouseSeek);
+    this.on(doc, 'mouseup', this.handleMouseUp);
+    this.on(doc, 'touchend', this.handleMouseUp);
+  };
+
+  /**
+   * Handle `mouseup` or `touchend` events on the `ProgressControl`.
+   *
+   * @param {EventTarget~Event} event
+   *        `mouseup` or `touchend` event that triggered this function.
+   *
+   * @listens touchend
+   * @listens mouseup
+   */
+
+
+  ProgressControl.prototype.handleMouseUp = function handleMouseUp(event) {
+    var doc = this.el_.ownerDocument;
+    var seekBar = this.getChild('seekBar');
+
+    if (seekBar) {
+      seekBar.handleMouseUp(event);
+    }
+
+    this.off(doc, 'mousemove', this.throttledHandleMouseSeek);
+    this.off(doc, 'touchmove', this.throttledHandleMouseSeek);
+    this.off(doc, 'mouseup', this.handleMouseUp);
+    this.off(doc, 'touchend', this.handleMouseUp);
+  };
+
+  return ProgressControl;
+}(Component);
+
+/**
+ * Default options for `ProgressControl`
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+ProgressControl.prototype.options_ = {
+  children: ['seekBar']
+};
+
+Component.registerComponent('ProgressControl', ProgressControl);
+
+/**
+ * @file fullscreen-toggle.js
+ */
+
+/**
+ * Toggle fullscreen video
+ *
+ * @extends Button
+ */
+
+var FullscreenToggle = function (_Button) {
+  inherits(FullscreenToggle, _Button);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   */
+  function FullscreenToggle(player, options) {
+    classCallCheck(this, FullscreenToggle);
+
+    var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
+
+    _this.on(player, 'fullscreenchange', _this.handleFullscreenChange);
+
+    if (document[FullscreenApi.fullscreenEnabled] === false) {
+      _this.disable();
+    }
+    return _this;
+  }
+
+  /**
+   * Builds the default DOM `className`.
+   *
+   * @return {string}
+   *         The DOM `className` for this object.
+   */
+
+
+  FullscreenToggle.prototype.buildCSSClass = function buildCSSClass() {
+    return 'vjs-fullscreen-control ' + _Button.prototype.buildCSSClass.call(this);
+  };
+
+  /**
+   * Handles fullscreenchange on the player and change control text accordingly.
+   *
+   * @param {EventTarget~Event} [event]
+   *        The {@link Player#fullscreenchange} event that caused this function to be
+   *        called.
+   *
+   * @listens Player#fullscreenchange
+   */
+
+
+  FullscreenToggle.prototype.handleFullscreenChange = function handleFullscreenChange(event) {
+    if (this.player_.isFullscreen()) {
+      this.controlText('Non-Fullscreen');
+    } else {
+      this.controlText('Fullscreen');
+    }
+  };
+
+  /**
+   * This gets called when an `FullscreenToggle` is "clicked". See
+   * {@link ClickableComponent} for more detailed information on what a click can be.
+   *
+   * @param {EventTarget~Event} [event]
+   *        The `keydown`, `tap`, or `click` event that caused this function to be
+   *        called.
+   *
+   * @listens tap
+   * @listens click
+   */
+
+
+  FullscreenToggle.prototype.handleClick = function handleClick(event) {
+    if (!this.player_.isFullscreen()) {
+      this.player_.requestFullscreen();
+    } else {
+      this.player_.exitFullscreen();
+    }
+  };
+
+  return FullscreenToggle;
+}(Button);
+
+/**
+ * The text that should display over the `FullscreenToggle`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+FullscreenToggle.prototype.controlText_ = 'Fullscreen';
+
+Component.registerComponent('FullscreenToggle', FullscreenToggle);
+
+/**
+ * Check if volume control is supported and if it isn't hide the
+ * `Component` that was passed  using the `vjs-hidden` class.
+ *
+ * @param {Component} self
+ *        The component that should be hidden if volume is unsupported
+ *
+ * @param {Player} player
+ *        A reference to the player
+ *
+ * @private
+ */
+var checkVolumeSupport = function checkVolumeSupport(self, player) {
+  // hide volume controls when they're not supported by the current tech
+  if (player.tech_ && !player.tech_.featuresVolumeControl) {
+    self.addClass('vjs-hidden');
+  }
+
+  self.on(player, 'loadstart', function () {
+    if (!player.tech_.featuresVolumeControl) {
+      self.addClass('vjs-hidden');
+    } else {
+      self.removeClass('vjs-hidden');
+    }
+  });
+};
+
+/**
+ * @file volume-level.js
+ */
+
+/**
+ * Shows volume level
+ *
+ * @extends Component
+ */
+
+var VolumeLevel = function (_Component) {
+  inherits(VolumeLevel, _Component);
+
+  function VolumeLevel() {
+    classCallCheck(this, VolumeLevel);
+    return possibleConstructorReturn(this, _Component.apply(this, arguments));
+  }
+
+  /**
+   * Create the `Component`'s DOM element
+   *
+   * @return {Element}
+   *         The element that was created.
+   */
+  VolumeLevel.prototype.createEl = function createEl() {
+    return _Component.prototype.createEl.call(this, 'div', {
+      className: 'vjs-volume-level',
+      innerHTML: '<span class="vjs-control-text"></span>'
+    });
+  };
+
+  return VolumeLevel;
+}(Component);
+
+Component.registerComponent('VolumeLevel', VolumeLevel);
+
+/**
+ * @file volume-bar.js
+ */
+
+/**
+ * The bar that contains the volume level and can be clicked on to adjust the level
+ *
+ * @extends Slider
+ */
+
+var VolumeBar = function (_Slider) {
+  inherits(VolumeBar, _Slider);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   */
+  function VolumeBar(player, options) {
+    classCallCheck(this, VolumeBar);
+
+    var _this = possibleConstructorReturn(this, _Slider.call(this, player, options));
+
+    _this.on('slideractive', _this.updateLastVolume_);
+    _this.on(player, 'volumechange', _this.updateARIAAttributes);
+    player.ready(function () {
+      return _this.updateARIAAttributes();
+    });
+    return _this;
+  }
+
+  /**
+   * Create the `Component`'s DOM element
+   *
+   * @return {Element}
+   *         The element that was created.
+   */
+
+
+  VolumeBar.prototype.createEl = function createEl$$1() {
+    return _Slider.prototype.createEl.call(this, 'div', {
+      className: 'vjs-volume-bar vjs-slider-bar'
+    }, {
+      'aria-label': this.localize('Volume Level'),
+      'aria-live': 'polite'
+    });
+  };
+
+  /**
+   * Handle mouse down on volume bar
+   *
+   * @param {EventTarget~Event} event
+   *        The `mousedown` event that caused this to run.
+   *
+   * @listens mousedown
+   */
+
+
+  VolumeBar.prototype.handleMouseDown = function handleMouseDown(event) {
+    if (!isSingleLeftClick(event)) {
+      return;
+    }
+
+    _Slider.prototype.handleMouseDown.call(this, event);
+  };
+
+  /**
+   * Handle movement events on the {@link VolumeMenuButton}.
+   *
+   * @param {EventTarget~Event} event
+   *        The event that caused this function to run.
+   *
+   * @listens mousemove
+   */
+
+
+  VolumeBar.prototype.handleMouseMove = function handleMouseMove(event) {
+    if (!isSingleLeftClick(event)) {
+      return;
+    }
+
+    this.checkMuted();
+    this.player_.volume(this.calculateDistance(event));
+  };
+
+  /**
+   * If the player is muted unmute it.
+   */
+
+
+  VolumeBar.prototype.checkMuted = function checkMuted() {
+    if (this.player_.muted()) {
+      this.player_.muted(false);
+    }
+  };
+
+  /**
+   * Get percent of volume level
+   *
+   * @return {number}
+   *         Volume level percent as a decimal number.
+   */
+
+
+  VolumeBar.prototype.getPercent = function getPercent() {
+    if (this.player_.muted()) {
+      return 0;
+    }
+    return this.player_.volume();
+  };
+
+  /**
+   * Increase volume level for keyboard users
+   */
+
+
+  VolumeBar.prototype.stepForward = function stepForward() {
+    this.checkMuted();
+    this.player_.volume(this.player_.volume() + 0.1);
+  };
+
+  /**
+   * Decrease volume level for keyboard users
+   */
+
+
+  VolumeBar.prototype.stepBack = function stepBack() {
+    this.checkMuted();
+    this.player_.volume(this.player_.volume() - 0.1);
+  };
+
+  /**
+   * Update ARIA accessibility attributes
+   *
+   * @param {EventTarget~Event} [event]
+   *        The `volumechange` event that caused this function to run.
+   *
+   * @listens Player#volumechange
+   */
+
+
+  VolumeBar.prototype.updateARIAAttributes = function updateARIAAttributes(event) {
+    var ariaValue = this.player_.muted() ? 0 : this.volumeAsPercentage_();
+
+    this.el_.setAttribute('aria-valuenow', ariaValue);
+    this.el_.setAttribute('aria-valuetext', ariaValue + '%');
+  };
+
+  /**
+   * Returns the current value of the player volume as a percentage
+   *
+   * @private
+   */
+
+
+  VolumeBar.prototype.volumeAsPercentage_ = function volumeAsPercentage_() {
+    return Math.round(this.player_.volume() * 100);
+  };
+
+  /**
+   * When user starts dragging the VolumeBar, store the volume and listen for
+   * the end of the drag. When the drag ends, if the volume was set to zero,
+   * set lastVolume to the stored volume.
+   *
+   * @listens slideractive
+   * @private
+   */
+
+
+  VolumeBar.prototype.updateLastVolume_ = function updateLastVolume_() {
+    var _this2 = this;
+
+    var volumeBeforeDrag = this.player_.volume();
+
+    this.one('sliderinactive', function () {
+      if (_this2.player_.volume() === 0) {
+        _this2.player_.lastVolume_(volumeBeforeDrag);
+      }
+    });
+  };
+
+  return VolumeBar;
+}(Slider);
+
+/**
+ * Default options for the `VolumeBar`
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+VolumeBar.prototype.options_ = {
+  children: ['volumeLevel'],
+  barName: 'volumeLevel'
+};
+
+/**
+ * Call the update event for this Slider when this event happens on the player.
+ *
+ * @type {string}
+ */
+VolumeBar.prototype.playerEvent = 'volumechange';
+
+Component.registerComponent('VolumeBar', VolumeBar);
+
+/**
+ * @file volume-control.js
+ */
+
+/**
+ * The component for controlling the volume level
+ *
+ * @extends Component
+ */
+
+var VolumeControl = function (_Component) {
+  inherits(VolumeControl, _Component);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options={}]
+   *        The key/value store of player options.
+   */
+  function VolumeControl(player) {
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+    classCallCheck(this, VolumeControl);
+
+    options.vertical = options.vertical || false;
+
+    // Pass the vertical option down to the VolumeBar if
+    // the VolumeBar is turned on.
+    if (typeof options.volumeBar === 'undefined' || isPlain(options.volumeBar)) {
+      options.volumeBar = options.volumeBar || {};
+      options.volumeBar.vertical = options.vertical;
+    }
+
+    // hide this control if volume support is missing
+    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+    checkVolumeSupport(_this, player);
+
+    _this.throttledHandleMouseMove = throttle(bind(_this, _this.handleMouseMove), 25);
+
+    _this.on('mousedown', _this.handleMouseDown);
+    _this.on('touchstart', _this.handleMouseDown);
+
+    // while the slider is active (the mouse has been pressed down and
+    // is dragging) or in focus we do not want to hide the VolumeBar
+    _this.on(_this.volumeBar, ['focus', 'slideractive'], function () {
+      _this.volumeBar.addClass('vjs-slider-active');
+      _this.addClass('vjs-slider-active');
+      _this.trigger('slideractive');
+    });
+
+    _this.on(_this.volumeBar, ['blur', 'sliderinactive'], function () {
+      _this.volumeBar.removeClass('vjs-slider-active');
+      _this.removeClass('vjs-slider-active');
+      _this.trigger('sliderinactive');
+    });
+    return _this;
+  }
+
+  /**
+   * Create the `Component`'s DOM element
+   *
+   * @return {Element}
+   *         The element that was created.
+   */
+
+
+  VolumeControl.prototype.createEl = function createEl() {
+    var orientationClass = 'vjs-volume-horizontal';
+
+    if (this.options_.vertical) {
+      orientationClass = 'vjs-volume-vertical';
+    }
+
+    return _Component.prototype.createEl.call(this, 'div', {
+      className: 'vjs-volume-control vjs-control ' + orientationClass
+    });
+  };
+
+  /**
+   * Handle `mousedown` or `touchstart` events on the `VolumeControl`.
+   *
+   * @param {EventTarget~Event} event
+   *        `mousedown` or `touchstart` event that triggered this function
+   *
+   * @listens mousedown
+   * @listens touchstart
+   */
+
+
+  VolumeControl.prototype.handleMouseDown = function handleMouseDown(event) {
+    var doc = this.el_.ownerDocument;
+
+    this.on(doc, 'mousemove', this.throttledHandleMouseMove);
+    this.on(doc, 'touchmove', this.throttledHandleMouseMove);
+    this.on(doc, 'mouseup', this.handleMouseUp);
+    this.on(doc, 'touchend', this.handleMouseUp);
+  };
+
+  /**
+   * Handle `mouseup` or `touchend` events on the `VolumeControl`.
+   *
+   * @param {EventTarget~Event} event
+   *        `mouseup` or `touchend` event that triggered this function.
+   *
+   * @listens touchend
+   * @listens mouseup
+   */
+
+
+  VolumeControl.prototype.handleMouseUp = function handleMouseUp(event) {
+    var doc = this.el_.ownerDocument;
+
+    this.off(doc, 'mousemove', this.throttledHandleMouseMove);
+    this.off(doc, 'touchmove', this.throttledHandleMouseMove);
+    this.off(doc, 'mouseup', this.handleMouseUp);
+    this.off(doc, 'touchend', this.handleMouseUp);
+  };
+
+  /**
+   * Handle `mousedown` or `touchstart` events on the `VolumeControl`.
+   *
+   * @param {EventTarget~Event} event
+   *        `mousedown` or `touchstart` event that triggered this function
+   *
+   * @listens mousedown
+   * @listens touchstart
+   */
+
+
+  VolumeControl.prototype.handleMouseMove = function handleMouseMove(event) {
+    this.volumeBar.handleMouseMove(event);
+  };
+
+  return VolumeControl;
+}(Component);
+
+/**
+ * Default options for the `VolumeControl`
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+VolumeControl.prototype.options_ = {
+  children: ['volumeBar']
+};
+
+Component.registerComponent('VolumeControl', VolumeControl);
+
+/**
+ * Check if muting volume is supported and if it isn't hide the mute toggle
+ * button.
+ *
+ * @param {Component} self
+ *        A reference to the mute toggle button
+ *
+ * @param {Player} player
+ *        A reference to the player
+ *
+ * @private
+ */
+var checkMuteSupport = function checkMuteSupport(self, player) {
+  // hide mute toggle button if it's not supported by the current tech
+  if (player.tech_ && !player.tech_.featuresMuteControl) {
+    self.addClass('vjs-hidden');
+  }
+
+  self.on(player, 'loadstart', function () {
+    if (!player.tech_.featuresMuteControl) {
+      self.addClass('vjs-hidden');
+    } else {
+      self.removeClass('vjs-hidden');
+    }
+  });
+};
+
+/**
+ * @file mute-toggle.js
+ */
+
+/**
+ * A button component for muting the audio.
+ *
+ * @extends Button
+ */
+
+var MuteToggle = function (_Button) {
+  inherits(MuteToggle, _Button);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   */
+  function MuteToggle(player, options) {
+    classCallCheck(this, MuteToggle);
+
+    // hide this control if volume support is missing
+    var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
+
+    checkMuteSupport(_this, player);
+
+    _this.on(player, ['loadstart', 'volumechange'], _this.update);
+    return _this;
+  }
+
+  /**
+   * Builds the default DOM `className`.
+   *
+   * @return {string}
+   *         The DOM `className` for this object.
+   */
+
+
+  MuteToggle.prototype.buildCSSClass = function buildCSSClass() {
+    return 'vjs-mute-control ' + _Button.prototype.buildCSSClass.call(this);
+  };
+
+  /**
+   * This gets called when an `MuteToggle` is "clicked". See
+   * {@link ClickableComponent} for more detailed information on what a click can be.
+   *
+   * @param {EventTarget~Event} [event]
+   *        The `keydown`, `tap`, or `click` event that caused this function to be
+   *        called.
+   *
+   * @listens tap
+   * @listens click
+   */
+
+
+  MuteToggle.prototype.handleClick = function handleClick(event) {
+    var vol = this.player_.volume();
+    var lastVolume = this.player_.lastVolume_();
+
+    if (vol === 0) {
+      var volumeToSet = lastVolume < 0.1 ? 0.1 : lastVolume;
+
+      this.player_.volume(volumeToSet);
+      this.player_.muted(false);
+    } else {
+      this.player_.muted(this.player_.muted() ? false : true);
+    }
+  };
+
+  /**
+   * Update the `MuteToggle` button based on the state of `volume` and `muted`
+   * on the player.
+   *
+   * @param {EventTarget~Event} [event]
+   *        The {@link Player#loadstart} event if this function was called
+   *        through an event.
+   *
+   * @listens Player#loadstart
+   * @listens Player#volumechange
+   */
+
+
+  MuteToggle.prototype.update = function update(event) {
+    this.updateIcon_();
+    this.updateControlText_();
+  };
+
+  /**
+   * Update the appearance of the `MuteToggle` icon.
+   *
+   * Possible states (given `level` variable below):
+   * - 0: crossed out
+   * - 1: zero bars of volume
+   * - 2: one bar of volume
+   * - 3: two bars of volume
+   *
+   * @private
+   */
+
+
+  MuteToggle.prototype.updateIcon_ = function updateIcon_() {
+    var vol = this.player_.volume();
+    var level = 3;
+
+    // in iOS when a player is loaded with muted attribute
+    // and volume is changed with a native mute button
+    // we want to make sure muted state is updated
+    if (IS_IOS) {
+      this.player_.muted(this.player_.tech_.el_.muted);
+    }
+
+    if (vol === 0 || this.player_.muted()) {
+      level = 0;
+    } else if (vol < 0.33) {
+      level = 1;
+    } else if (vol < 0.67) {
+      level = 2;
+    }
+
+    // TODO improve muted icon classes
+    for (var i = 0; i < 4; i++) {
+      removeClass(this.el_, 'vjs-vol-' + i);
+    }
+    addClass(this.el_, 'vjs-vol-' + level);
+  };
+
+  /**
+   * If `muted` has changed on the player, update the control text
+   * (`title` attribute on `vjs-mute-control` element and content of
+   * `vjs-control-text` element).
+   *
+   * @private
+   */
+
+
+  MuteToggle.prototype.updateControlText_ = function updateControlText_() {
+    var soundOff = this.player_.muted() || this.player_.volume() === 0;
+    var text = soundOff ? 'Unmute' : 'Mute';
+
+    if (this.controlText() !== text) {
+      this.controlText(text);
+    }
+  };
+
+  return MuteToggle;
+}(Button);
+
+/**
+ * The text that should display over the `MuteToggle`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+MuteToggle.prototype.controlText_ = 'Mute';
+
+Component.registerComponent('MuteToggle', MuteToggle);
+
+/**
+ * @file volume-control.js
+ */
+
+/**
+ * A Component to contain the MuteToggle and VolumeControl so that
+ * they can work together.
+ *
+ * @extends Component
+ */
+
+var VolumePanel = function (_Component) {
+  inherits(VolumePanel, _Component);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options={}]
+   *        The key/value store of player options.
+   */
+  function VolumePanel(player) {
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+    classCallCheck(this, VolumePanel);
+
+    if (typeof options.inline !== 'undefined') {
+      options.inline = options.inline;
+    } else {
+      options.inline = true;
+    }
+
+    // pass the inline option down to the VolumeControl as vertical if
+    // the VolumeControl is on.
+    if (typeof options.volumeControl === 'undefined' || isPlain(options.volumeControl)) {
+      options.volumeControl = options.volumeControl || {};
+      options.volumeControl.vertical = !options.inline;
+    }
+
+    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+    _this.on(player, ['loadstart'], _this.volumePanelState_);
+
+    // while the slider is active (the mouse has been pressed down and
+    // is dragging) we do not want to hide the VolumeBar
+    _this.on(_this.volumeControl, ['slideractive'], _this.sliderActive_);
+
+    _this.on(_this.volumeControl, ['sliderinactive'], _this.sliderInactive_);
+    return _this;
+  }
+
+  /**
+   * Add vjs-slider-active class to the VolumePanel
+   *
+   * @listens VolumeControl#slideractive
+   * @private
+   */
+
+
+  VolumePanel.prototype.sliderActive_ = function sliderActive_() {
+    this.addClass('vjs-slider-active');
+  };
+
+  /**
+   * Removes vjs-slider-active class to the VolumePanel
+   *
+   * @listens VolumeControl#sliderinactive
+   * @private
+   */
+
+
+  VolumePanel.prototype.sliderInactive_ = function sliderInactive_() {
+    this.removeClass('vjs-slider-active');
+  };
+
+  /**
+   * Adds vjs-hidden or vjs-mute-toggle-only to the VolumePanel
+   * depending on MuteToggle and VolumeControl state
+   *
+   * @listens Player#loadstart
+   * @private
+   */
+
+
+  VolumePanel.prototype.volumePanelState_ = function volumePanelState_() {
+    // hide volume panel if neither volume control or mute toggle
+    // are displayed
+    if (this.volumeControl.hasClass('vjs-hidden') && this.muteToggle.hasClass('vjs-hidden')) {
+      this.addClass('vjs-hidden');
+    }
+
+    // if only mute toggle is visible we don't want
+    // volume panel expanding when hovered or active
+    if (this.volumeControl.hasClass('vjs-hidden') && !this.muteToggle.hasClass('vjs-hidden')) {
+      this.addClass('vjs-mute-toggle-only');
+    }
+  };
+
+  /**
+   * Create the `Component`'s DOM element
+   *
+   * @return {Element}
+   *         The element that was created.
+   */
+
+
+  VolumePanel.prototype.createEl = function createEl() {
+    var orientationClass = 'vjs-volume-panel-horizontal';
+
+    if (!this.options_.inline) {
+      orientationClass = 'vjs-volume-panel-vertical';
+    }
+
+    return _Component.prototype.createEl.call(this, 'div', {
+      className: 'vjs-volume-panel vjs-control ' + orientationClass
+    });
+  };
+
+  return VolumePanel;
+}(Component);
+
+/**
+ * Default options for the `VolumeControl`
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+VolumePanel.prototype.options_ = {
+  children: ['muteToggle', 'volumeControl']
+};
+
+Component.registerComponent('VolumePanel', VolumePanel);
+
+/**
+ * @file menu.js
+ */
+
+/**
+ * The Menu component is used to build popup menus, including subtitle and
+ * captions selection menus.
+ *
+ * @extends Component
+ */
+
+var Menu = function (_Component) {
+  inherits(Menu, _Component);
+
+  /**
+   * Create an instance of this class.
+   *
+   * @param {Player} player
+   *        the player that this component should attach to
+   *
+   * @param {Object} [options]
+   *        Object of option names and values
+   *
+   */
+  function Menu(player, options) {
+    classCallCheck(this, Menu);
+
+    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+    if (options) {
+      _this.menuButton_ = options.menuButton;
+    }
+
+    _this.focusedChild_ = -1;
+
+    _this.on('keydown', _this.handleKeyPress);
+    return _this;
+  }
+
+  /**
+   * Add a {@link MenuItem} to the menu.
+   *
+   * @param {Object|string} component
+   *        The name or instance of the `MenuItem` to add.
+   *
+   */
+
+
+  Menu.prototype.addItem = function addItem(component) {
+    this.addChild(component);
+    component.on('click', bind(this, function (event) {
+      // Unpress the associated MenuButton, and move focus back to it
+      if (this.menuButton_) {
+        this.menuButton_.unpressButton();
+
+        // don't focus menu button if item is a caption settings item
+        // because focus will move elsewhere
+        if (component.name() !== 'CaptionSettingsMenuItem') {
+          this.menuButton_.focus();
+        }
+      }
+    }));
+  };
+
+  /**
+   * Create the `Menu`s DOM element.
+   *
+   * @return {Element}
+   *         the element that was created
+   */
+
+
+  Menu.prototype.createEl = function createEl$$1() {
+    var contentElType = this.options_.contentElType || 'ul';
+
+    this.contentEl_ = createEl(contentElType, {
+      className: 'vjs-menu-content'
+    });
+
+    this.contentEl_.setAttribute('role', 'menu');
+
+    var el = _Component.prototype.createEl.call(this, 'div', {
+      append: this.contentEl_,
+      className: 'vjs-menu'
+    });
+
+    el.appendChild(this.contentEl_);
+
+    // Prevent clicks from bubbling up. Needed for Menu Buttons,
+    // where a click on the parent is significant
+    on(el, 'click', function (event) {
+      event.preventDefault();
+      event.stopImmediatePropagation();
+    });
+
+    return el;
+  };
+
+  Menu.prototype.dispose = function dispose() {
+    this.contentEl_ = null;
+
+    _Component.prototype.dispose.call(this);
+  };
+
+  /**
+   * Handle a `keydown` event on this menu. This listener is added in the constructor.
+   *
+   * @param {EventTarget~Event} event
+   *        A `keydown` event that happened on the menu.
+   *
+   * @listens keydown
+   */
+
+
+  Menu.prototype.handleKeyPress = function handleKeyPress(event) {
+    // Left and Down Arrows
+    if (event.which === 37 || event.which === 40) {
+      event.preventDefault();
+      this.stepForward();
+
+      // Up and Right Arrows
+    } else if (event.which === 38 || event.which === 39) {
+      event.preventDefault();
+      this.stepBack();
+    }
+  };
+
+  /**
+   * Move to next (lower) menu item for keyboard users.
+   */
+
+
+  Menu.prototype.stepForward = function stepForward() {
+    var stepChild = 0;
+
+    if (this.focusedChild_ !== undefined) {
+      stepChild = this.focusedChild_ + 1;
+    }
+    this.focus(stepChild);
+  };
+
+  /**
+   * Move to previous (higher) menu item for keyboard users.
+   */
+
+
+  Menu.prototype.stepBack = function stepBack() {
+    var stepChild = 0;
+
+    if (this.focusedChild_ !== undefined) {
+      stepChild = this.focusedChild_ - 1;
+    }
+    this.focus(stepChild);
+  };
+
+  /**
+   * Set focus on a {@link MenuItem} in the `Menu`.
+   *
+   * @param {Object|string} [item=0]
+   *        Index of child item set focus on.
+   */
+
+
+  Menu.prototype.focus = function focus() {
+    var item = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
+
+    var children = this.children().slice();
+    var haveTitle = children.length && children[0].className && /vjs-menu-title/.test(children[0].className);
+
+    if (haveTitle) {
+      children.shift();
+    }
+
+    if (children.length > 0) {
+      if (item < 0) {
+        item = 0;
+      } else if (item >= children.length) {
+        item = children.length - 1;
+      }
+
+      this.focusedChild_ = item;
+
+      children[item].el_.focus();
+    }
+  };
+
+  return Menu;
+}(Component);
+
+Component.registerComponent('Menu', Menu);
+
+/**
+ * @file menu-button.js
+ */
+
+/**
+ * A `MenuButton` class for any popup {@link Menu}.
+ *
+ * @extends Component
+ */
+
+var MenuButton = function (_Component) {
+  inherits(MenuButton, _Component);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options={}]
+   *        The key/value store of player options.
+   */
+  function MenuButton(player) {
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+    classCallCheck(this, MenuButton);
+
+    var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+    _this.menuButton_ = new Button(player, options);
+
+    _this.menuButton_.controlText(_this.controlText_);
+    _this.menuButton_.el_.setAttribute('aria-haspopup', 'true');
+
+    // Add buildCSSClass values to the button, not the wrapper
+    var buttonClass = Button.prototype.buildCSSClass();
+
+    _this.menuButton_.el_.className = _this.buildCSSClass() + ' ' + buttonClass;
+    _this.menuButton_.removeClass('vjs-control');
+
+    _this.addChild(_this.menuButton_);
+
+    _this.update();
+
+    _this.enabled_ = true;
+
+    _this.on(_this.menuButton_, 'tap', _this.handleClick);
+    _this.on(_this.menuButton_, 'click', _this.handleClick);
+    _this.on(_this.menuButton_, 'focus', _this.handleFocus);
+    _this.on(_this.menuButton_, 'blur', _this.handleBlur);
+
+    _this.on('keydown', _this.handleSubmenuKeyPress);
+    return _this;
+  }
+
+  /**
+   * Update the menu based on the current state of its items.
+   */
+
+
+  MenuButton.prototype.update = function update() {
+    var menu = this.createMenu();
+
+    if (this.menu) {
+      this.menu.dispose();
+      this.removeChild(this.menu);
+    }
+
+    this.menu = menu;
+    this.addChild(menu);
+
+    /**
+     * Track the state of the menu button
+     *
+     * @type {Boolean}
+     * @private
+     */
+    this.buttonPressed_ = false;
+    this.menuButton_.el_.setAttribute('aria-expanded', 'false');
+
+    if (this.items && this.items.length <= this.hideThreshold_) {
+      this.hide();
+    } else {
+      this.show();
+    }
+  };
+
+  /**
+   * Create the menu and add all items to it.
+   *
+   * @return {Menu}
+   *         The constructed menu
+   */
+
+
+  MenuButton.prototype.createMenu = function createMenu() {
+    var menu = new Menu(this.player_, { menuButton: this });
+
+    /**
+     * Hide the menu if the number of items is less than or equal to this threshold. This defaults
+     * to 0 and whenever we add items which can be hidden to the menu we'll increment it. We list
+     * it here because every time we run `createMenu` we need to reset the value.
+     *
+     * @protected
+     * @type {Number}
+     */
+    this.hideThreshold_ = 0;
+
+    // Add a title list item to the top
+    if (this.options_.title) {
+      var title = createEl('li', {
+        className: 'vjs-menu-title',
+        innerHTML: toTitleCase(this.options_.title),
+        tabIndex: -1
+      });
+
+      this.hideThreshold_ += 1;
+
+      menu.children_.unshift(title);
+      prependTo(title, menu.contentEl());
+    }
+
+    this.items = this.createItems();
+
+    if (this.items) {
+      // Add menu items to the menu
+      for (var i = 0; i < this.items.length; i++) {
+        menu.addItem(this.items[i]);
+      }
+    }
+
+    return menu;
+  };
+
+  /**
+   * Create the list of menu items. Specific to each subclass.
+   *
+   * @abstract
+   */
+
+
+  MenuButton.prototype.createItems = function createItems() {};
+
+  /**
+   * Create the `MenuButtons`s DOM element.
+   *
+   * @return {Element}
+   *         The element that gets created.
+   */
+
+
+  MenuButton.prototype.createEl = function createEl$$1() {
+    return _Component.prototype.createEl.call(this, 'div', {
+      className: this.buildWrapperCSSClass()
+    }, {});
+  };
+
+  /**
+   * Allow sub components to stack CSS class names for the wrapper element
+   *
+   * @return {string}
+   *         The constructed wrapper DOM `className`
+   */
+
+
+  MenuButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+    var menuButtonClass = 'vjs-menu-button';
+
+    // If the inline option is passed, we want to use different styles altogether.
+    if (this.options_.inline === true) {
+      menuButtonClass += '-inline';
+    } else {
+      menuButtonClass += '-popup';
+    }
+
+    // TODO: Fix the CSS so that this isn't necessary
+    var buttonClass = Button.prototype.buildCSSClass();
+
+    return 'vjs-menu-button ' + menuButtonClass + ' ' + buttonClass + ' ' + _Component.prototype.buildCSSClass.call(this);
+  };
+
+  /**
+   * Builds the default DOM `className`.
+   *
+   * @return {string}
+   *         The DOM `className` for this object.
+   */
+
+
+  MenuButton.prototype.buildCSSClass = function buildCSSClass() {
+    var menuButtonClass = 'vjs-menu-button';
+
+    // If the inline option is passed, we want to use different styles altogether.
+    if (this.options_.inline === true) {
+      menuButtonClass += '-inline';
+    } else {
+      menuButtonClass += '-popup';
+    }
+
+    return 'vjs-menu-button ' + menuButtonClass + ' ' + _Component.prototype.buildCSSClass.call(this);
+  };
+
+  /**
+   * Get or set the localized control text that will be used for accessibility.
+   *
+   * > NOTE: This will come from the internal `menuButton_` element.
+   *
+   * @param {string} [text]
+   *        Control text for element.
+   *
+   * @param {Element} [el=this.menuButton_.el()]
+   *        Element to set the title on.
+   *
+   * @return {string}
+   *         - The control text when getting
+   */
+
+
+  MenuButton.prototype.controlText = function controlText(text) {
+    var el = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.menuButton_.el();
+
+    return this.menuButton_.controlText(text, el);
+  };
+
+  /**
+   * Handle a click on a `MenuButton`.
+   * See {@link ClickableComponent#handleClick} for instances where this is called.
+   *
+   * @param {EventTarget~Event} event
+   *        The `keydown`, `tap`, or `click` event that caused this function to be
+   *        called.
+   *
+   * @listens tap
+   * @listens click
+   */
+
+
+  MenuButton.prototype.handleClick = function handleClick(event) {
+    // When you click the button it adds focus, which will show the menu.
+    // So we'll remove focus when the mouse leaves the button. Focus is needed
+    // for tab navigation.
+
+    this.one(this.menu.contentEl(), 'mouseleave', bind(this, function (e) {
+      this.unpressButton();
+      this.el_.blur();
+    }));
+    if (this.buttonPressed_) {
+      this.unpressButton();
+    } else {
+      this.pressButton();
+    }
+  };
+
+  /**
+   * Set the focus to the actual button, not to this element
+   */
+
+
+  MenuButton.prototype.focus = function focus() {
+    this.menuButton_.focus();
+  };
+
+  /**
+   * Remove the focus from the actual button, not this element
+   */
+
+
+  MenuButton.prototype.blur = function blur() {
+    this.menuButton_.blur();
+  };
+
+  /**
+   * This gets called when a `MenuButton` gains focus via a `focus` event.
+   * Turns on listening for `keydown` events. When they happen it
+   * calls `this.handleKeyPress`.
+   *
+   * @param {EventTarget~Event} event
+   *        The `focus` event that caused this function to be called.
+   *
+   * @listens focus
+   */
+
+
+  MenuButton.prototype.handleFocus = function handleFocus() {
+    on(document, 'keydown', bind(this, this.handleKeyPress));
+  };
+
+  /**
+   * Called when a `MenuButton` loses focus. Turns off the listener for
+   * `keydown` events. Which Stops `this.handleKeyPress` from getting called.
+   *
+   * @param {EventTarget~Event} event
+   *        The `blur` event that caused this function to be called.
+   *
+   * @listens blur
+   */
+
+
+  MenuButton.prototype.handleBlur = function handleBlur() {
+    off(document, 'keydown', bind(this, this.handleKeyPress));
+  };
+
+  /**
+   * Handle tab, escape, down arrow, and up arrow keys for `MenuButton`. See
+   * {@link ClickableComponent#handleKeyPress} for instances where this is called.
+   *
+   * @param {EventTarget~Event} event
+   *        The `keydown` event that caused this function to be called.
+   *
+   * @listens keydown
+   */
+
+
+  MenuButton.prototype.handleKeyPress = function handleKeyPress(event) {
+
+    // Escape (27) key or Tab (9) key unpress the 'button'
+    if (event.which === 27 || event.which === 9) {
+      if (this.buttonPressed_) {
+        this.unpressButton();
+      }
+      // Don't preventDefault for Tab key - we still want to lose focus
+      if (event.which !== 9) {
+        event.preventDefault();
+        // Set focus back to the menu button's button
+        this.menuButton_.el_.focus();
+      }
+      // Up (38) key or Down (40) key press the 'button'
+    } else if (event.which === 38 || event.which === 40) {
+      if (!this.buttonPressed_) {
+        this.pressButton();
+        event.preventDefault();
+      }
+    }
+  };
+
+  /**
+   * Handle a `keydown` event on a sub-menu. The listener for this is added in
+   * the constructor.
+   *
+   * @param {EventTarget~Event} event
+   *        Key press event
+   *
+   * @listens keydown
+   */
+
+
+  MenuButton.prototype.handleSubmenuKeyPress = function handleSubmenuKeyPress(event) {
+
+    // Escape (27) key or Tab (9) key unpress the 'button'
+    if (event.which === 27 || event.which === 9) {
+      if (this.buttonPressed_) {
+        this.unpressButton();
+      }
+      // Don't preventDefault for Tab key - we still want to lose focus
+      if (event.which !== 9) {
+        event.preventDefault();
+        // Set focus back to the menu button's button
+        this.menuButton_.el_.focus();
+      }
+    }
+  };
+
+  /**
+   * Put the current `MenuButton` into a pressed state.
+   */
+
+
+  MenuButton.prototype.pressButton = function pressButton() {
+    if (this.enabled_) {
+      this.buttonPressed_ = true;
+      this.menu.lockShowing();
+      this.menuButton_.el_.setAttribute('aria-expanded', 'true');
+
+      // set the focus into the submenu, except on iOS where it is resulting in
+      // undesired scrolling behavior when the player is in an iframe
+      if (IS_IOS && isInFrame()) {
+        // Return early so that the menu isn't focused
+        return;
+      }
+
+      this.menu.focus();
+    }
+  };
+
+  /**
+   * Take the current `MenuButton` out of a pressed state.
+   */
+
+
+  MenuButton.prototype.unpressButton = function unpressButton() {
+    if (this.enabled_) {
+      this.buttonPressed_ = false;
+      this.menu.unlockShowing();
+      this.menuButton_.el_.setAttribute('aria-expanded', 'false');
+    }
+  };
+
+  /**
+   * Disable the `MenuButton`. Don't allow it to be clicked.
+   */
+
+
+  MenuButton.prototype.disable = function disable() {
+    this.unpressButton();
+
+    this.enabled_ = false;
+    this.addClass('vjs-disabled');
+
+    this.menuButton_.disable();
+  };
+
+  /**
+   * Enable the `MenuButton`. Allow it to be clicked.
+   */
+
+
+  MenuButton.prototype.enable = function enable() {
+    this.enabled_ = true;
+    this.removeClass('vjs-disabled');
+
+    this.menuButton_.enable();
+  };
+
+  return MenuButton;
+}(Component);
+
+Component.registerComponent('MenuButton', MenuButton);
+
+/**
+ * @file track-button.js
+ */
+
+/**
+ * The base class for buttons that toggle specific  track types (e.g. subtitles).
+ *
+ * @extends MenuButton
+ */
+
+var TrackButton = function (_MenuButton) {
+  inherits(TrackButton, _MenuButton);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   */
+  function TrackButton(player, options) {
+    classCallCheck(this, TrackButton);
+
+    var tracks = options.tracks;
+
+    var _this = possibleConstructorReturn(this, _MenuButton.call(this, player, options));
+
+    if (_this.items.length <= 1) {
+      _this.hide();
+    }
+
+    if (!tracks) {
+      return possibleConstructorReturn(_this);
+    }
+
+    var updateHandler = bind(_this, _this.update);
+
+    tracks.addEventListener('removetrack', updateHandler);
+    tracks.addEventListener('addtrack', updateHandler);
+    _this.player_.on('ready', updateHandler);
+
+    _this.player_.on('dispose', function () {
+      tracks.removeEventListener('removetrack', updateHandler);
+      tracks.removeEventListener('addtrack', updateHandler);
+    });
+    return _this;
+  }
+
+  return TrackButton;
+}(MenuButton);
+
+Component.registerComponent('TrackButton', TrackButton);
+
+/**
+ * @file menu-item.js
+ */
+
+/**
+ * The component for a menu item. `<li>`
+ *
+ * @extends ClickableComponent
+ */
+
+var MenuItem = function (_ClickableComponent) {
+  inherits(MenuItem, _ClickableComponent);
+
+  /**
+   * Creates an instance of the this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options={}]
+   *        The key/value store of player options.
+   *
+   */
+  function MenuItem(player, options) {
+    classCallCheck(this, MenuItem);
+
+    var _this = possibleConstructorReturn(this, _ClickableComponent.call(this, player, options));
+
+    _this.selectable = options.selectable;
+    _this.isSelected_ = options.selected || false;
+    _this.multiSelectable = options.multiSelectable;
+
+    _this.selected(_this.isSelected_);
+
+    if (_this.selectable) {
+      if (_this.multiSelectable) {
+        _this.el_.setAttribute('role', 'menuitemcheckbox');
+      } else {
+        _this.el_.setAttribute('role', 'menuitemradio');
+      }
+    } else {
+      _this.el_.setAttribute('role', 'menuitem');
+    }
+    return _this;
+  }
+
+  /**
+   * Create the `MenuItem's DOM element
+   *
+   * @param {string} [type=li]
+   *        Element's node type, not actually used, always set to `li`.
+   *
+   * @param {Object} [props={}]
+   *        An object of properties that should be set on the element
+   *
+   * @param {Object} [attrs={}]
+   *        An object of attributes that should be set on the element
+   *
+   * @return {Element}
+   *         The element that gets created.
+   */
+
+
+  MenuItem.prototype.createEl = function createEl(type, props, attrs) {
+    // The control is textual, not just an icon
+    this.nonIconControl = true;
+
+    return _ClickableComponent.prototype.createEl.call(this, 'li', assign({
+      className: 'vjs-menu-item',
+      innerHTML: '<span class="vjs-menu-item-text">' + this.localize(this.options_.label) + '</span>',
+      tabIndex: -1
+    }, props), attrs);
+  };
+
+  /**
+   * Any click on a `MenuItem` puts it into the selected state.
+   * See {@link ClickableComponent#handleClick} for instances where this is called.
+   *
+   * @param {EventTarget~Event} event
+   *        The `keydown`, `tap`, or `click` event that caused this function to be
+   *        called.
+   *
+   * @listens tap
+   * @listens click
+   */
+
+
+  MenuItem.prototype.handleClick = function handleClick(event) {
+    this.selected(true);
+  };
+
+  /**
+   * Set the state for this menu item as selected or not.
+   *
+   * @param {boolean} selected
+   *        if the menu item is selected or not
+   */
+
+
+  MenuItem.prototype.selected = function selected(_selected) {
+    if (this.selectable) {
+      if (_selected) {
+        this.addClass('vjs-selected');
+        this.el_.setAttribute('aria-checked', 'true');
+        // aria-checked isn't fully supported by browsers/screen readers,
+        // so indicate selected state to screen reader in the control text.
+        this.controlText(', selected');
+        this.isSelected_ = true;
+      } else {
+        this.removeClass('vjs-selected');
+        this.el_.setAttribute('aria-checked', 'false');
+        // Indicate un-selected state to screen reader
+        this.controlText('');
+        this.isSelected_ = false;
+      }
+    }
+  };
+
+  return MenuItem;
+}(ClickableComponent);
+
+Component.registerComponent('MenuItem', MenuItem);
+
+/**
+ * @file text-track-menu-item.js
+ */
+
+/**
+ * The specific menu item type for selecting a language within a text track kind
+ *
+ * @extends MenuItem
+ */
+
+var TextTrackMenuItem = function (_MenuItem) {
+  inherits(TextTrackMenuItem, _MenuItem);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   */
+  function TextTrackMenuItem(player, options) {
+    classCallCheck(this, TextTrackMenuItem);
+
+    var track = options.track;
+    var tracks = player.textTracks();
+
+    // Modify options for parent MenuItem class's init.
+    options.label = track.label || track.language || 'Unknown';
+    options.selected = track.mode === 'showing';
+
+    var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));
+
+    _this.track = track;
+    var changeHandler = function changeHandler() {
+      for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+        args[_key] = arguments[_key];
+      }
+
+      _this.handleTracksChange.apply(_this, args);
+    };
+    var selectedLanguageChangeHandler = function selectedLanguageChangeHandler() {
+      for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+        args[_key2] = arguments[_key2];
+      }
+
+      _this.handleSelectedLanguageChange.apply(_this, args);
+    };
+
+    player.on(['loadstart', 'texttrackchange'], changeHandler);
+    tracks.addEventListener('change', changeHandler);
+    tracks.addEventListener('selectedlanguagechange', selectedLanguageChangeHandler);
+    _this.on('dispose', function () {
+      player.off(['loadstart', 'texttrackchange'], changeHandler);
+      tracks.removeEventListener('change', changeHandler);
+      tracks.removeEventListener('selectedlanguagechange', selectedLanguageChangeHandler);
+    });
+
+    // iOS7 doesn't dispatch change events to TextTrackLists when an
+    // associated track's mode changes. Without something like
+    // Object.observe() (also not present on iOS7), it's not
+    // possible to detect changes to the mode attribute and polyfill
+    // the change event. As a poor substitute, we manually dispatch
+    // change events whenever the controls modify the mode.
+    if (tracks.onchange === undefined) {
+      var event = void 0;
+
+      _this.on(['tap', 'click'], function () {
+        if (_typeof(window$1.Event) !== 'object') {
+          // Android 2.3 throws an Illegal Constructor error for window.Event
+          try {
+            event = new window$1.Event('change');
+          } catch (err) {
+            // continue regardless of error
+          }
+        }
+
+        if (!event) {
+          event = document.createEvent('Event');
+          event.initEvent('change', true, true);
+        }
+
+        tracks.dispatchEvent(event);
+      });
+    }
+
+    // set the default state based on current tracks
+    _this.handleTracksChange();
+    return _this;
+  }
+
+  /**
+   * This gets called when an `TextTrackMenuItem` is "clicked". See
+   * {@link ClickableComponent} for more detailed information on what a click can be.
+   *
+   * @param {EventTarget~Event} event
+   *        The `keydown`, `tap`, or `click` event that caused this function to be
+   *        called.
+   *
+   * @listens tap
+   * @listens click
+   */
+
+
+  TextTrackMenuItem.prototype.handleClick = function handleClick(event) {
+    var kind = this.track.kind;
+    var kinds = this.track.kinds;
+    var tracks = this.player_.textTracks();
+
+    if (!kinds) {
+      kinds = [kind];
+    }
+
+    _MenuItem.prototype.handleClick.call(this, event);
+
+    if (!tracks) {
+      return;
+    }
+
+    for (var i = 0; i < tracks.length; i++) {
+      var track = tracks[i];
+
+      if (track === this.track && kinds.indexOf(track.kind) > -1) {
+        if (track.mode !== 'showing') {
+          track.mode = 'showing';
+        }
+      } else if (track.mode !== 'disabled') {
+        track.mode = 'disabled';
+      }
+    }
+  };
+
+  /**
+   * Handle text track list change
+   *
+   * @param {EventTarget~Event} event
+   *        The `change` event that caused this function to be called.
+   *
+   * @listens TextTrackList#change
+   */
+
+
+  TextTrackMenuItem.prototype.handleTracksChange = function handleTracksChange(event) {
+    var shouldBeSelected = this.track.mode === 'showing';
+
+    // Prevent redundant selected() calls because they may cause
+    // screen readers to read the appended control text unnecessarily
+    if (shouldBeSelected !== this.isSelected_) {
+      this.selected(shouldBeSelected);
+    }
+  };
+
+  TextTrackMenuItem.prototype.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) {
+    if (this.track.mode === 'showing') {
+      var selectedLanguage = this.player_.cache_.selectedLanguage;
+
+      // Don't replace the kind of track across the same language
+      if (selectedLanguage && selectedLanguage.enabled && selectedLanguage.language === this.track.language && selectedLanguage.kind !== this.track.kind) {
+        return;
+      }
+
+      this.player_.cache_.selectedLanguage = {
+        enabled: true,
+        language: this.track.language,
+        kind: this.track.kind
+      };
+    }
+  };
+
+  TextTrackMenuItem.prototype.dispose = function dispose() {
+    // remove reference to track object on dispose
+    this.track = null;
+
+    _MenuItem.prototype.dispose.call(this);
+  };
+
+  return TextTrackMenuItem;
+}(MenuItem);
+
+Component.registerComponent('TextTrackMenuItem', TextTrackMenuItem);
+
+/**
+ * @file off-text-track-menu-item.js
+ */
+
+/**
+ * A special menu item for turning of a specific type of text track
+ *
+ * @extends TextTrackMenuItem
+ */
+
+var OffTextTrackMenuItem = function (_TextTrackMenuItem) {
+  inherits(OffTextTrackMenuItem, _TextTrackMenuItem);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   */
+  function OffTextTrackMenuItem(player, options) {
+    classCallCheck(this, OffTextTrackMenuItem);
+
+    // Create pseudo track info
+    // Requires options['kind']
+    options.track = {
+      player: player,
+      kind: options.kind,
+      kinds: options.kinds,
+      default: false,
+      mode: 'disabled'
+    };
+
+    if (!options.kinds) {
+      options.kinds = [options.kind];
+    }
+
+    if (options.label) {
+      options.track.label = options.label;
+    } else {
+      options.track.label = options.kinds.join(' and ') + ' off';
+    }
+
+    // MenuItem is selectable
+    options.selectable = true;
+    // MenuItem is NOT multiSelectable (i.e. only one can be marked "selected" at a time)
+    options.multiSelectable = false;
+
+    return possibleConstructorReturn(this, _TextTrackMenuItem.call(this, player, options));
+  }
+
+  /**
+   * Handle text track change
+   *
+   * @param {EventTarget~Event} event
+   *        The event that caused this function to run
+   */
+
+
+  OffTextTrackMenuItem.prototype.handleTracksChange = function handleTracksChange(event) {
+    var tracks = this.player().textTracks();
+    var shouldBeSelected = true;
+
+    for (var i = 0, l = tracks.length; i < l; i++) {
+      var track = tracks[i];
+
+      if (this.options_.kinds.indexOf(track.kind) > -1 && track.mode === 'showing') {
+        shouldBeSelected = false;
+        break;
+      }
+    }
+
+    // Prevent redundant selected() calls because they may cause
+    // screen readers to read the appended control text unnecessarily
+    if (shouldBeSelected !== this.isSelected_) {
+      this.selected(shouldBeSelected);
+    }
+  };
+
+  OffTextTrackMenuItem.prototype.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) {
+    var tracks = this.player().textTracks();
+    var allHidden = true;
+
+    for (var i = 0, l = tracks.length; i < l; i++) {
+      var track = tracks[i];
+
+      if (['captions', 'descriptions', 'subtitles'].indexOf(track.kind) > -1 && track.mode === 'showing') {
+        allHidden = false;
+        break;
+      }
+    }
+
+    if (allHidden) {
+      this.player_.cache_.selectedLanguage = {
+        enabled: false
+      };
+    }
+  };
+
+  return OffTextTrackMenuItem;
+}(TextTrackMenuItem);
+
+Component.registerComponent('OffTextTrackMenuItem', OffTextTrackMenuItem);
+
+/**
+ * @file text-track-button.js
+ */
+
+/**
+ * The base class for buttons that toggle specific text track types (e.g. subtitles)
+ *
+ * @extends MenuButton
+ */
+
+var TextTrackButton = function (_TrackButton) {
+  inherits(TextTrackButton, _TrackButton);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options={}]
+   *        The key/value store of player options.
+   */
+  function TextTrackButton(player) {
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+    classCallCheck(this, TextTrackButton);
+
+    options.tracks = player.textTracks();
+
+    return possibleConstructorReturn(this, _TrackButton.call(this, player, options));
+  }
+
+  /**
+   * Create a menu item for each text track
+   *
+   * @param {TextTrackMenuItem[]} [items=[]]
+   *        Existing array of items to use during creation
+   *
+   * @return {TextTrackMenuItem[]}
+   *         Array of menu items that were created
+   */
+
+
+  TextTrackButton.prototype.createItems = function createItems() {
+    var items = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+    var TrackMenuItem = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : TextTrackMenuItem;
+
+
+    // Label is an override for the [track] off label
+    // USed to localise captions/subtitles
+    var label = void 0;
+
+    if (this.label_) {
+      label = this.label_ + ' off';
+    }
+    // Add an OFF menu item to turn all tracks off
+    items.push(new OffTextTrackMenuItem(this.player_, {
+      kinds: this.kinds_,
+      kind: this.kind_,
+      label: label
+    }));
+
+    this.hideThreshold_ += 1;
+
+    var tracks = this.player_.textTracks();
+
+    if (!Array.isArray(this.kinds_)) {
+      this.kinds_ = [this.kind_];
+    }
+
+    for (var i = 0; i < tracks.length; i++) {
+      var track = tracks[i];
+
+      // only add tracks that are of an appropriate kind and have a label
+      if (this.kinds_.indexOf(track.kind) > -1) {
+
+        var item = new TrackMenuItem(this.player_, {
+          track: track,
+          // MenuItem is selectable
+          selectable: true,
+          // MenuItem is NOT multiSelectable (i.e. only one can be marked "selected" at a time)
+          multiSelectable: false
+        });
+
+        item.addClass('vjs-' + track.kind + '-menu-item');
+        items.push(item);
+      }
+    }
+
+    return items;
+  };
+
+  return TextTrackButton;
+}(TrackButton);
+
+Component.registerComponent('TextTrackButton', TextTrackButton);
+
+/**
+ * @file chapters-track-menu-item.js
+ */
+
+/**
+ * The chapter track menu item
+ *
+ * @extends MenuItem
+ */
+
+var ChaptersTrackMenuItem = function (_MenuItem) {
+  inherits(ChaptersTrackMenuItem, _MenuItem);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   */
+  function ChaptersTrackMenuItem(player, options) {
+    classCallCheck(this, ChaptersTrackMenuItem);
+
+    var track = options.track;
+    var cue = options.cue;
+    var currentTime = player.currentTime();
+
+    // Modify options for parent MenuItem class's init.
+    options.selectable = true;
+    options.multiSelectable = false;
+    options.label = cue.text;
+    options.selected = cue.startTime <= currentTime && currentTime < cue.endTime;
+
+    var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));
+
+    _this.track = track;
+    _this.cue = cue;
+    track.addEventListener('cuechange', bind(_this, _this.update));
+    return _this;
+  }
+
+  /**
+   * This gets called when an `ChaptersTrackMenuItem` is "clicked". See
+   * {@link ClickableComponent} for more detailed information on what a click can be.
+   *
+   * @param {EventTarget~Event} [event]
+   *        The `keydown`, `tap`, or `click` event that caused this function to be
+   *        called.
+   *
+   * @listens tap
+   * @listens click
+   */
+
+
+  ChaptersTrackMenuItem.prototype.handleClick = function handleClick(event) {
+    _MenuItem.prototype.handleClick.call(this);
+    this.player_.currentTime(this.cue.startTime);
+    this.update(this.cue.startTime);
+  };
+
+  /**
+   * Update chapter menu item
+   *
+   * @param {EventTarget~Event} [event]
+   *        The `cuechange` event that caused this function to run.
+   *
+   * @listens TextTrack#cuechange
+   */
+
+
+  ChaptersTrackMenuItem.prototype.update = function update(event) {
+    var cue = this.cue;
+    var currentTime = this.player_.currentTime();
+
+    // vjs.log(currentTime, cue.startTime);
+    this.selected(cue.startTime <= currentTime && currentTime < cue.endTime);
+  };
+
+  return ChaptersTrackMenuItem;
+}(MenuItem);
+
+Component.registerComponent('ChaptersTrackMenuItem', ChaptersTrackMenuItem);
+
+/**
+ * @file chapters-button.js
+ */
+
+/**
+ * The button component for toggling and selecting chapters
+ * Chapters act much differently than other text tracks
+ * Cues are navigation vs. other tracks of alternative languages
+ *
+ * @extends TextTrackButton
+ */
+
+var ChaptersButton = function (_TextTrackButton) {
+  inherits(ChaptersButton, _TextTrackButton);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   *
+   * @param {Component~ReadyCallback} [ready]
+   *        The function to call when this function is ready.
+   */
+  function ChaptersButton(player, options, ready) {
+    classCallCheck(this, ChaptersButton);
+    return possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
+  }
+
+  /**
+   * Builds the default DOM `className`.
+   *
+   * @return {string}
+   *         The DOM `className` for this object.
+   */
+
+
+  ChaptersButton.prototype.buildCSSClass = function buildCSSClass() {
+    return 'vjs-chapters-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
+  };
+
+  ChaptersButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+    return 'vjs-chapters-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
+  };
+
+  /**
+   * Update the menu based on the current state of its items.
+   *
+   * @param {EventTarget~Event} [event]
+   *        An event that triggered this function to run.
+   *
+   * @listens TextTrackList#addtrack
+   * @listens TextTrackList#removetrack
+   * @listens TextTrackList#change
+   */
+
+
+  ChaptersButton.prototype.update = function update(event) {
+    if (!this.track_ || event && (event.type === 'addtrack' || event.type === 'removetrack')) {
+      this.setTrack(this.findChaptersTrack());
+    }
+    _TextTrackButton.prototype.update.call(this);
+  };
+
+  /**
+   * Set the currently selected track for the chapters button.
+   *
+   * @param {TextTrack} track
+   *        The new track to select. Nothing will change if this is the currently selected
+   *        track.
+   */
+
+
+  ChaptersButton.prototype.setTrack = function setTrack(track) {
+    if (this.track_ === track) {
+      return;
+    }
+
+    if (!this.updateHandler_) {
+      this.updateHandler_ = this.update.bind(this);
+    }
+
+    // here this.track_ refers to the old track instance
+    if (this.track_) {
+      var remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);
+
+      if (remoteTextTrackEl) {
+        remoteTextTrackEl.removeEventListener('load', this.updateHandler_);
+      }
+
+      this.track_ = null;
+    }
+
+    this.track_ = track;
+
+    // here this.track_ refers to the new track instance
+    if (this.track_) {
+      this.track_.mode = 'hidden';
+
+      var _remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);
+
+      if (_remoteTextTrackEl) {
+        _remoteTextTrackEl.addEventListener('load', this.updateHandler_);
+      }
+    }
+  };
+
+  /**
+   * Find the track object that is currently in use by this ChaptersButton
+   *
+   * @return {TextTrack|undefined}
+   *         The current track or undefined if none was found.
+   */
+
+
+  ChaptersButton.prototype.findChaptersTrack = function findChaptersTrack() {
+    var tracks = this.player_.textTracks() || [];
+
+    for (var i = tracks.length - 1; i >= 0; i--) {
+      // We will always choose the last track as our chaptersTrack
+      var track = tracks[i];
+
+      if (track.kind === this.kind_) {
+        return track;
+      }
+    }
+  };
+
+  /**
+   * Get the caption for the ChaptersButton based on the track label. This will also
+   * use the current tracks localized kind as a fallback if a label does not exist.
+   *
+   * @return {string}
+   *         The tracks current label or the localized track kind.
+   */
+
+
+  ChaptersButton.prototype.getMenuCaption = function getMenuCaption() {
+    if (this.track_ && this.track_.label) {
+      return this.track_.label;
+    }
+    return this.localize(toTitleCase(this.kind_));
+  };
+
+  /**
+   * Create menu from chapter track
+   *
+   * @return {Menu}
+   *         New menu for the chapter buttons
+   */
+
+
+  ChaptersButton.prototype.createMenu = function createMenu() {
+    this.options_.title = this.getMenuCaption();
+    return _TextTrackButton.prototype.createMenu.call(this);
+  };
+
+  /**
+   * Create a menu item for each text track
+   *
+   * @return {TextTrackMenuItem[]}
+   *         Array of menu items
+   */
+
+
+  ChaptersButton.prototype.createItems = function createItems() {
+    var items = [];
+
+    if (!this.track_) {
+      return items;
+    }
+
+    var cues = this.track_.cues;
+
+    if (!cues) {
+      return items;
+    }
+
+    for (var i = 0, l = cues.length; i < l; i++) {
+      var cue = cues[i];
+      var mi = new ChaptersTrackMenuItem(this.player_, { track: this.track_, cue: cue });
+
+      items.push(mi);
+    }
+
+    return items;
+  };
+
+  return ChaptersButton;
+}(TextTrackButton);
+
+/**
+ * `kind` of TextTrack to look for to associate it with this menu.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+ChaptersButton.prototype.kind_ = 'chapters';
+
+/**
+ * The text that should display over the `ChaptersButton`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+ChaptersButton.prototype.controlText_ = 'Chapters';
+
+Component.registerComponent('ChaptersButton', ChaptersButton);
+
+/**
+ * @file descriptions-button.js
+ */
+
+/**
+ * The button component for toggling and selecting descriptions
+ *
+ * @extends TextTrackButton
+ */
+
+var DescriptionsButton = function (_TextTrackButton) {
+  inherits(DescriptionsButton, _TextTrackButton);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   *
+   * @param {Component~ReadyCallback} [ready]
+   *        The function to call when this component is ready.
+   */
+  function DescriptionsButton(player, options, ready) {
+    classCallCheck(this, DescriptionsButton);
+
+    var _this = possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
+
+    var tracks = player.textTracks();
+    var changeHandler = bind(_this, _this.handleTracksChange);
+
+    tracks.addEventListener('change', changeHandler);
+    _this.on('dispose', function () {
+      tracks.removeEventListener('change', changeHandler);
+    });
+    return _this;
+  }
+
+  /**
+   * Handle text track change
+   *
+   * @param {EventTarget~Event} event
+   *        The event that caused this function to run
+   *
+   * @listens TextTrackList#change
+   */
+
+
+  DescriptionsButton.prototype.handleTracksChange = function handleTracksChange(event) {
+    var tracks = this.player().textTracks();
+    var disabled = false;
+
+    // Check whether a track of a different kind is showing
+    for (var i = 0, l = tracks.length; i < l; i++) {
+      var track = tracks[i];
+
+      if (track.kind !== this.kind_ && track.mode === 'showing') {
+        disabled = true;
+        break;
+      }
+    }
+
+    // If another track is showing, disable this menu button
+    if (disabled) {
+      this.disable();
+    } else {
+      this.enable();
+    }
+  };
+
+  /**
+   * Builds the default DOM `className`.
+   *
+   * @return {string}
+   *         The DOM `className` for this object.
+   */
+
+
+  DescriptionsButton.prototype.buildCSSClass = function buildCSSClass() {
+    return 'vjs-descriptions-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
+  };
+
+  DescriptionsButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+    return 'vjs-descriptions-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
+  };
+
+  return DescriptionsButton;
+}(TextTrackButton);
+
+/**
+ * `kind` of TextTrack to look for to associate it with this menu.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+DescriptionsButton.prototype.kind_ = 'descriptions';
+
+/**
+ * The text that should display over the `DescriptionsButton`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+DescriptionsButton.prototype.controlText_ = 'Descriptions';
+
+Component.registerComponent('DescriptionsButton', DescriptionsButton);
+
+/**
+ * @file subtitles-button.js
+ */
+
+/**
+ * The button component for toggling and selecting subtitles
+ *
+ * @extends TextTrackButton
+ */
+
+var SubtitlesButton = function (_TextTrackButton) {
+  inherits(SubtitlesButton, _TextTrackButton);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   *
+   * @param {Component~ReadyCallback} [ready]
+   *        The function to call when this component is ready.
+   */
+  function SubtitlesButton(player, options, ready) {
+    classCallCheck(this, SubtitlesButton);
+    return possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
+  }
+
+  /**
+   * Builds the default DOM `className`.
+   *
+   * @return {string}
+   *         The DOM `className` for this object.
+   */
+
+
+  SubtitlesButton.prototype.buildCSSClass = function buildCSSClass() {
+    return 'vjs-subtitles-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
+  };
+
+  SubtitlesButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+    return 'vjs-subtitles-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
+  };
+
+  return SubtitlesButton;
+}(TextTrackButton);
+
+/**
+ * `kind` of TextTrack to look for to associate it with this menu.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+SubtitlesButton.prototype.kind_ = 'subtitles';
+
+/**
+ * The text that should display over the `SubtitlesButton`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+SubtitlesButton.prototype.controlText_ = 'Subtitles';
+
+Component.registerComponent('SubtitlesButton', SubtitlesButton);
+
+/**
+ * @file caption-settings-menu-item.js
+ */
+
+/**
+ * The menu item for caption track settings menu
+ *
+ * @extends TextTrackMenuItem
+ */
+
+var CaptionSettingsMenuItem = function (_TextTrackMenuItem) {
+  inherits(CaptionSettingsMenuItem, _TextTrackMenuItem);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   */
+  function CaptionSettingsMenuItem(player, options) {
+    classCallCheck(this, CaptionSettingsMenuItem);
+
+    options.track = {
+      player: player,
+      kind: options.kind,
+      label: options.kind + ' settings',
+      selectable: false,
+      default: false,
+      mode: 'disabled'
+    };
+
+    // CaptionSettingsMenuItem has no concept of 'selected'
+    options.selectable = false;
+
+    options.name = 'CaptionSettingsMenuItem';
+
+    var _this = possibleConstructorReturn(this, _TextTrackMenuItem.call(this, player, options));
+
+    _this.addClass('vjs-texttrack-settings');
+    _this.controlText(', opens ' + options.kind + ' settings dialog');
+    return _this;
+  }
+
+  /**
+   * This gets called when an `CaptionSettingsMenuItem` is "clicked". See
+   * {@link ClickableComponent} for more detailed information on what a click can be.
+   *
+   * @param {EventTarget~Event} [event]
+   *        The `keydown`, `tap`, or `click` event that caused this function to be
+   *        called.
+   *
+   * @listens tap
+   * @listens click
+   */
+
+
+  CaptionSettingsMenuItem.prototype.handleClick = function handleClick(event) {
+    this.player().getChild('textTrackSettings').open();
+  };
+
+  return CaptionSettingsMenuItem;
+}(TextTrackMenuItem);
+
+Component.registerComponent('CaptionSettingsMenuItem', CaptionSettingsMenuItem);
+
+/**
+ * @file captions-button.js
+ */
+
+/**
+ * The button component for toggling and selecting captions
+ *
+ * @extends TextTrackButton
+ */
+
+var CaptionsButton = function (_TextTrackButton) {
+  inherits(CaptionsButton, _TextTrackButton);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   *
+   * @param {Component~ReadyCallback} [ready]
+   *        The function to call when this component is ready.
+   */
+  function CaptionsButton(player, options, ready) {
+    classCallCheck(this, CaptionsButton);
+    return possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
+  }
+
+  /**
+   * Builds the default DOM `className`.
+   *
+   * @return {string}
+   *         The DOM `className` for this object.
+   */
+
+
+  CaptionsButton.prototype.buildCSSClass = function buildCSSClass() {
+    return 'vjs-captions-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
+  };
+
+  CaptionsButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+    return 'vjs-captions-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
+  };
+
+  /**
+   * Create caption menu items
+   *
+   * @return {CaptionSettingsMenuItem[]}
+   *         The array of current menu items.
+   */
+
+
+  CaptionsButton.prototype.createItems = function createItems() {
+    var items = [];
+
+    if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks) && this.player().getChild('textTrackSettings')) {
+      items.push(new CaptionSettingsMenuItem(this.player_, { kind: this.kind_ }));
+
+      this.hideThreshold_ += 1;
+    }
+
+    return _TextTrackButton.prototype.createItems.call(this, items);
+  };
+
+  return CaptionsButton;
+}(TextTrackButton);
+
+/**
+ * `kind` of TextTrack to look for to associate it with this menu.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+CaptionsButton.prototype.kind_ = 'captions';
+
+/**
+ * The text that should display over the `CaptionsButton`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+CaptionsButton.prototype.controlText_ = 'Captions';
+
+Component.registerComponent('CaptionsButton', CaptionsButton);
+
+/**
+ * @file subs-caps-menu-item.js
+ */
+
+/**
+ * SubsCapsMenuItem has an [cc] icon to distinguish captions from subtitles
+ * in the SubsCapsMenu.
+ *
+ * @extends TextTrackMenuItem
+ */
+
+var SubsCapsMenuItem = function (_TextTrackMenuItem) {
+  inherits(SubsCapsMenuItem, _TextTrackMenuItem);
+
+  function SubsCapsMenuItem() {
+    classCallCheck(this, SubsCapsMenuItem);
+    return possibleConstructorReturn(this, _TextTrackMenuItem.apply(this, arguments));
+  }
+
+  SubsCapsMenuItem.prototype.createEl = function createEl(type, props, attrs) {
+    var innerHTML = '<span class="vjs-menu-item-text">' + this.localize(this.options_.label);
+
+    if (this.options_.track.kind === 'captions') {
+      innerHTML += '\n        <span aria-hidden="true" class="vjs-icon-placeholder"></span>\n        <span class="vjs-control-text"> ' + this.localize('Captions') + '</span>\n      ';
+    }
+
+    innerHTML += '</span>';
+
+    var el = _TextTrackMenuItem.prototype.createEl.call(this, type, assign({
+      innerHTML: innerHTML
+    }, props), attrs);
+
+    return el;
+  };
+
+  return SubsCapsMenuItem;
+}(TextTrackMenuItem);
+
+Component.registerComponent('SubsCapsMenuItem', SubsCapsMenuItem);
+
+/**
+ * @file sub-caps-button.js
+ */
+/**
+ * The button component for toggling and selecting captions and/or subtitles
+ *
+ * @extends TextTrackButton
+ */
+
+var SubsCapsButton = function (_TextTrackButton) {
+  inherits(SubsCapsButton, _TextTrackButton);
+
+  function SubsCapsButton(player) {
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+    classCallCheck(this, SubsCapsButton);
+
+    // Although North America uses "captions" in most cases for
+    // "captions and subtitles" other locales use "subtitles"
+    var _this = possibleConstructorReturn(this, _TextTrackButton.call(this, player, options));
+
+    _this.label_ = 'subtitles';
+    if (['en', 'en-us', 'en-ca', 'fr-ca'].indexOf(_this.player_.language_) > -1) {
+      _this.label_ = 'captions';
+    }
+    _this.menuButton_.controlText(toTitleCase(_this.label_));
+    return _this;
+  }
+
+  /**
+   * Builds the default DOM `className`.
+   *
+   * @return {string}
+   *         The DOM `className` for this object.
+   */
+
+
+  SubsCapsButton.prototype.buildCSSClass = function buildCSSClass() {
+    return 'vjs-subs-caps-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
+  };
+
+  SubsCapsButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+    return 'vjs-subs-caps-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
+  };
+
+  /**
+   * Create caption/subtitles menu items
+   *
+   * @return {CaptionSettingsMenuItem[]}
+   *         The array of current menu items.
+   */
+
+
+  SubsCapsButton.prototype.createItems = function createItems() {
+    var items = [];
+
+    if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks) && this.player().getChild('textTrackSettings')) {
+      items.push(new CaptionSettingsMenuItem(this.player_, { kind: this.label_ }));
+
+      this.hideThreshold_ += 1;
+    }
+
+    items = _TextTrackButton.prototype.createItems.call(this, items, SubsCapsMenuItem);
+    return items;
+  };
+
+  return SubsCapsButton;
+}(TextTrackButton);
+
+/**
+ * `kind`s of TextTrack to look for to associate it with this menu.
+ *
+ * @type {array}
+ * @private
+ */
+
+
+SubsCapsButton.prototype.kinds_ = ['captions', 'subtitles'];
+
+/**
+ * The text that should display over the `SubsCapsButton`s controls.
+ *
+ *
+ * @type {string}
+ * @private
+ */
+SubsCapsButton.prototype.controlText_ = 'Subtitles';
+
+Component.registerComponent('SubsCapsButton', SubsCapsButton);
+
+/**
+ * @file audio-track-menu-item.js
+ */
+
+/**
+ * An {@link AudioTrack} {@link MenuItem}
+ *
+ * @extends MenuItem
+ */
+
+var AudioTrackMenuItem = function (_MenuItem) {
+  inherits(AudioTrackMenuItem, _MenuItem);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   */
+  function AudioTrackMenuItem(player, options) {
+    classCallCheck(this, AudioTrackMenuItem);
+
+    var track = options.track;
+    var tracks = player.audioTracks();
+
+    // Modify options for parent MenuItem class's init.
+    options.label = track.label || track.language || 'Unknown';
+    options.selected = track.enabled;
+
+    var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));
+
+    _this.track = track;
+
+    _this.addClass('vjs-' + track.kind + '-menu-item');
+
+    var changeHandler = function changeHandler() {
+      for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+        args[_key] = arguments[_key];
+      }
+
+      _this.handleTracksChange.apply(_this, args);
+    };
+
+    tracks.addEventListener('change', changeHandler);
+    _this.on('dispose', function () {
+      tracks.removeEventListener('change', changeHandler);
+    });
+    return _this;
+  }
+
+  AudioTrackMenuItem.prototype.createEl = function createEl(type, props, attrs) {
+    var innerHTML = '<span class="vjs-menu-item-text">' + this.localize(this.options_.label);
+
+    if (this.options_.track.kind === 'main-desc') {
+      innerHTML += '\n        <span aria-hidden="true" class="vjs-icon-placeholder"></span>\n        <span class="vjs-control-text"> ' + this.localize('Descriptions') + '</span>\n      ';
+    }
+
+    innerHTML += '</span>';
+
+    var el = _MenuItem.prototype.createEl.call(this, type, assign({
+      innerHTML: innerHTML
+    }, props), attrs);
+
+    return el;
+  };
+
+  /**
+   * This gets called when an `AudioTrackMenuItem is "clicked". See {@link ClickableComponent}
+   * for more detailed information on what a click can be.
+   *
+   * @param {EventTarget~Event} [event]
+   *        The `keydown`, `tap`, or `click` event that caused this function to be
+   *        called.
+   *
+   * @listens tap
+   * @listens click
+   */
+
+
+  AudioTrackMenuItem.prototype.handleClick = function handleClick(event) {
+    var tracks = this.player_.audioTracks();
+
+    _MenuItem.prototype.handleClick.call(this, event);
+
+    for (var i = 0; i < tracks.length; i++) {
+      var track = tracks[i];
+
+      track.enabled = track === this.track;
+    }
+  };
+
+  /**
+   * Handle any {@link AudioTrack} change.
+   *
+   * @param {EventTarget~Event} [event]
+   *        The {@link AudioTrackList#change} event that caused this to run.
+   *
+   * @listens AudioTrackList#change
+   */
+
+
+  AudioTrackMenuItem.prototype.handleTracksChange = function handleTracksChange(event) {
+    this.selected(this.track.enabled);
+  };
+
+  return AudioTrackMenuItem;
+}(MenuItem);
+
+Component.registerComponent('AudioTrackMenuItem', AudioTrackMenuItem);
+
+/**
+ * @file audio-track-button.js
+ */
+
+/**
+ * The base class for buttons that toggle specific {@link AudioTrack} types.
+ *
+ * @extends TrackButton
+ */
+
+var AudioTrackButton = function (_TrackButton) {
+  inherits(AudioTrackButton, _TrackButton);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options={}]
+   *        The key/value store of player options.
+   */
+  function AudioTrackButton(player) {
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+    classCallCheck(this, AudioTrackButton);
+
+    options.tracks = player.audioTracks();
+
+    return possibleConstructorReturn(this, _TrackButton.call(this, player, options));
+  }
+
+  /**
+   * Builds the default DOM `className`.
+   *
+   * @return {string}
+   *         The DOM `className` for this object.
+   */
+
+
+  AudioTrackButton.prototype.buildCSSClass = function buildCSSClass() {
+    return 'vjs-audio-button ' + _TrackButton.prototype.buildCSSClass.call(this);
+  };
+
+  AudioTrackButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+    return 'vjs-audio-button ' + _TrackButton.prototype.buildWrapperCSSClass.call(this);
+  };
+
+  /**
+   * Create a menu item for each audio track
+   *
+   * @param {AudioTrackMenuItem[]} [items=[]]
+   *        An array of existing menu items to use.
+   *
+   * @return {AudioTrackMenuItem[]}
+   *         An array of menu items
+   */
+
+
+  AudioTrackButton.prototype.createItems = function createItems() {
+    var items = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+
+    // if there's only one audio track, there no point in showing it
+    this.hideThreshold_ = 1;
+
+    var tracks = this.player_.audioTracks();
+
+    for (var i = 0; i < tracks.length; i++) {
+      var track = tracks[i];
+
+      items.push(new AudioTrackMenuItem(this.player_, {
+        track: track,
+        // MenuItem is selectable
+        selectable: true,
+        // MenuItem is NOT multiSelectable (i.e. only one can be marked "selected" at a time)
+        multiSelectable: false
+      }));
+    }
+
+    return items;
+  };
+
+  return AudioTrackButton;
+}(TrackButton);
+
+/**
+ * The text that should display over the `AudioTrackButton`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+AudioTrackButton.prototype.controlText_ = 'Audio Track';
+Component.registerComponent('AudioTrackButton', AudioTrackButton);
+
+/**
+ * @file playback-rate-menu-item.js
+ */
+
+/**
+ * The specific menu item type for selecting a playback rate.
+ *
+ * @extends MenuItem
+ */
+
+var PlaybackRateMenuItem = function (_MenuItem) {
+  inherits(PlaybackRateMenuItem, _MenuItem);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   */
+  function PlaybackRateMenuItem(player, options) {
+    classCallCheck(this, PlaybackRateMenuItem);
+
+    var label = options.rate;
+    var rate = parseFloat(label, 10);
+
+    // Modify options for parent MenuItem class's init.
+    options.label = label;
+    options.selected = rate === 1;
+    options.selectable = true;
+    options.multiSelectable = false;
+
+    var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));
+
+    _this.label = label;
+    _this.rate = rate;
+
+    _this.on(player, 'ratechange', _this.update);
+    return _this;
+  }
+
+  /**
+   * This gets called when an `PlaybackRateMenuItem` is "clicked". See
+   * {@link ClickableComponent} for more detailed information on what a click can be.
+   *
+   * @param {EventTarget~Event} [event]
+   *        The `keydown`, `tap`, or `click` event that caused this function to be
+   *        called.
+   *
+   * @listens tap
+   * @listens click
+   */
+
+
+  PlaybackRateMenuItem.prototype.handleClick = function handleClick(event) {
+    _MenuItem.prototype.handleClick.call(this);
+    this.player().playbackRate(this.rate);
+  };
+
+  /**
+   * Update the PlaybackRateMenuItem when the playbackrate changes.
+   *
+   * @param {EventTarget~Event} [event]
+   *        The `ratechange` event that caused this function to run.
+   *
+   * @listens Player#ratechange
+   */
+
+
+  PlaybackRateMenuItem.prototype.update = function update(event) {
+    this.selected(this.player().playbackRate() === this.rate);
+  };
+
+  return PlaybackRateMenuItem;
+}(MenuItem);
+
+/**
+ * The text that should display over the `PlaybackRateMenuItem`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+PlaybackRateMenuItem.prototype.contentElType = 'button';
+
+Component.registerComponent('PlaybackRateMenuItem', PlaybackRateMenuItem);
+
+/**
+ * @file playback-rate-menu-button.js
+ */
+
+/**
+ * The component for controlling the playback rate.
+ *
+ * @extends MenuButton
+ */
+
+var PlaybackRateMenuButton = function (_MenuButton) {
+  inherits(PlaybackRateMenuButton, _MenuButton);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   */
+  function PlaybackRateMenuButton(player, options) {
+    classCallCheck(this, PlaybackRateMenuButton);
+
+    var _this = possibleConstructorReturn(this, _MenuButton.call(this, player, options));
+
+    _this.updateVisibility();
+    _this.updateLabel();
+
+    _this.on(player, 'loadstart', _this.updateVisibility);
+    _this.on(player, 'ratechange', _this.updateLabel);
+    return _this;
+  }
+
+  /**
+   * Create the `Component`'s DOM element
+   *
+   * @return {Element}
+   *         The element that was created.
+   */
+
+
+  PlaybackRateMenuButton.prototype.createEl = function createEl$$1() {
+    var el = _MenuButton.prototype.createEl.call(this);
+
+    this.labelEl_ = createEl('div', {
+      className: 'vjs-playback-rate-value',
+      innerHTML: '1x'
+    });
+
+    el.appendChild(this.labelEl_);
+
+    return el;
+  };
+
+  PlaybackRateMenuButton.prototype.dispose = function dispose() {
+    this.labelEl_ = null;
+
+    _MenuButton.prototype.dispose.call(this);
+  };
+
+  /**
+   * Builds the default DOM `className`.
+   *
+   * @return {string}
+   *         The DOM `className` for this object.
+   */
+
+
+  PlaybackRateMenuButton.prototype.buildCSSClass = function buildCSSClass() {
+    return 'vjs-playback-rate ' + _MenuButton.prototype.buildCSSClass.call(this);
+  };
+
+  PlaybackRateMenuButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+    return 'vjs-playback-rate ' + _MenuButton.prototype.buildWrapperCSSClass.call(this);
+  };
+
+  /**
+   * Create the playback rate menu
+   *
+   * @return {Menu}
+   *         Menu object populated with {@link PlaybackRateMenuItem}s
+   */
+
+
+  PlaybackRateMenuButton.prototype.createMenu = function createMenu() {
+    var menu = new Menu(this.player());
+    var rates = this.playbackRates();
+
+    if (rates) {
+      for (var i = rates.length - 1; i >= 0; i--) {
+        menu.addChild(new PlaybackRateMenuItem(this.player(), { rate: rates[i] + 'x' }));
+      }
+    }
+
+    return menu;
+  };
+
+  /**
+   * Updates ARIA accessibility attributes
+   */
+
+
+  PlaybackRateMenuButton.prototype.updateARIAAttributes = function updateARIAAttributes() {
+    // Current playback rate
+    this.el().setAttribute('aria-valuenow', this.player().playbackRate());
+  };
+
+  /**
+   * This gets called when an `PlaybackRateMenuButton` is "clicked". See
+   * {@link ClickableComponent} for more detailed information on what a click can be.
+   *
+   * @param {EventTarget~Event} [event]
+   *        The `keydown`, `tap`, or `click` event that caused this function to be
+   *        called.
+   *
+   * @listens tap
+   * @listens click
+   */
+
+
+  PlaybackRateMenuButton.prototype.handleClick = function handleClick(event) {
+    // select next rate option
+    var currentRate = this.player().playbackRate();
+    var rates = this.playbackRates();
+
+    // this will select first one if the last one currently selected
+    var newRate = rates[0];
+
+    for (var i = 0; i < rates.length; i++) {
+      if (rates[i] > currentRate) {
+        newRate = rates[i];
+        break;
+      }
+    }
+    this.player().playbackRate(newRate);
+  };
+
+  /**
+   * Get possible playback rates
+   *
+   * @return {Array}
+   *         All possible playback rates
+   */
+
+
+  PlaybackRateMenuButton.prototype.playbackRates = function playbackRates() {
+    return this.options_.playbackRates || this.options_.playerOptions && this.options_.playerOptions.playbackRates;
+  };
+
+  /**
+   * Get whether playback rates is supported by the tech
+   * and an array of playback rates exists
+   *
+   * @return {boolean}
+   *         Whether changing playback rate is supported
+   */
+
+
+  PlaybackRateMenuButton.prototype.playbackRateSupported = function playbackRateSupported() {
+    return this.player().tech_ && this.player().tech_.featuresPlaybackRate && this.playbackRates() && this.playbackRates().length > 0;
+  };
+
+  /**
+   * Hide playback rate controls when they're no playback rate options to select
+   *
+   * @param {EventTarget~Event} [event]
+   *        The event that caused this function to run.
+   *
+   * @listens Player#loadstart
+   */
+
+
+  PlaybackRateMenuButton.prototype.updateVisibility = function updateVisibility(event) {
+    if (this.playbackRateSupported()) {
+      this.removeClass('vjs-hidden');
+    } else {
+      this.addClass('vjs-hidden');
+    }
+  };
+
+  /**
+   * Update button label when rate changed
+   *
+   * @param {EventTarget~Event} [event]
+   *        The event that caused this function to run.
+   *
+   * @listens Player#ratechange
+   */
+
+
+  PlaybackRateMenuButton.prototype.updateLabel = function updateLabel(event) {
+    if (this.playbackRateSupported()) {
+      this.labelEl_.innerHTML = this.player().playbackRate() + 'x';
+    }
+  };
+
+  return PlaybackRateMenuButton;
+}(MenuButton);
+
+/**
+ * The text that should display over the `FullscreenToggle`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+PlaybackRateMenuButton.prototype.controlText_ = 'Playback Rate';
+
+Component.registerComponent('PlaybackRateMenuButton', PlaybackRateMenuButton);
+
+/**
+ * @file spacer.js
+ */
+
+/**
+ * Just an empty spacer element that can be used as an append point for plugins, etc.
+ * Also can be used to create space between elements when necessary.
+ *
+ * @extends Component
+ */
+
+var Spacer = function (_Component) {
+  inherits(Spacer, _Component);
+
+  function Spacer() {
+    classCallCheck(this, Spacer);
+    return possibleConstructorReturn(this, _Component.apply(this, arguments));
+  }
+
+  /**
+   * Builds the default DOM `className`.
+   *
+   * @return {string}
+   *         The DOM `className` for this object.
+   */
+  Spacer.prototype.buildCSSClass = function buildCSSClass() {
+    return 'vjs-spacer ' + _Component.prototype.buildCSSClass.call(this);
+  };
+
+  /**
+   * Create the `Component`'s DOM element
+   *
+   * @return {Element}
+   *         The element that was created.
+   */
+
+
+  Spacer.prototype.createEl = function createEl() {
+    return _Component.prototype.createEl.call(this, 'div', {
+      className: this.buildCSSClass()
+    });
+  };
+
+  return Spacer;
+}(Component);
+
+Component.registerComponent('Spacer', Spacer);
+
+/**
+ * @file custom-control-spacer.js
+ */
+
+/**
+ * Spacer specifically meant to be used as an insertion point for new plugins, etc.
+ *
+ * @extends Spacer
+ */
+
+var CustomControlSpacer = function (_Spacer) {
+  inherits(CustomControlSpacer, _Spacer);
+
+  function CustomControlSpacer() {
+    classCallCheck(this, CustomControlSpacer);
+    return possibleConstructorReturn(this, _Spacer.apply(this, arguments));
+  }
+
+  /**
+   * Builds the default DOM `className`.
+   *
+   * @return {string}
+   *         The DOM `className` for this object.
+   */
+  CustomControlSpacer.prototype.buildCSSClass = function buildCSSClass() {
+    return 'vjs-custom-control-spacer ' + _Spacer.prototype.buildCSSClass.call(this);
+  };
+
+  /**
+   * Create the `Component`'s DOM element
+   *
+   * @return {Element}
+   *         The element that was created.
+   */
+
+
+  CustomControlSpacer.prototype.createEl = function createEl() {
+    var el = _Spacer.prototype.createEl.call(this, {
+      className: this.buildCSSClass()
+    });
+
+    // No-flex/table-cell mode requires there be some content
+    // in the cell to fill the remaining space of the table.
+    el.innerHTML = '\xA0';
+    return el;
+  };
+
+  return CustomControlSpacer;
+}(Spacer);
+
+Component.registerComponent('CustomControlSpacer', CustomControlSpacer);
+
+/**
+ * @file control-bar.js
+ */
+
+/**
+ * Container of main controls.
+ *
+ * @extends Component
+ */
+
+var ControlBar = function (_Component) {
+  inherits(ControlBar, _Component);
+
+  function ControlBar() {
+    classCallCheck(this, ControlBar);
+    return possibleConstructorReturn(this, _Component.apply(this, arguments));
+  }
+
+  /**
+   * Create the `Component`'s DOM element
+   *
+   * @return {Element}
+   *         The element that was created.
+   */
+  ControlBar.prototype.createEl = function createEl() {
+    return _Component.prototype.createEl.call(this, 'div', {
+      className: 'vjs-control-bar',
+      dir: 'ltr'
+    });
+  };
+
+  return ControlBar;
+}(Component);
+
+/**
+ * Default options for `ControlBar`
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+ControlBar.prototype.options_ = {
+  children: ['playToggle', 'volumePanel', 'currentTimeDisplay', 'timeDivider', 'durationDisplay', 'progressControl', 'liveDisplay', 'remainingTimeDisplay', 'customControlSpacer', 'playbackRateMenuButton', 'chaptersButton', 'descriptionsButton', 'subsCapsButton', 'audioTrackButton', 'fullscreenToggle']
+};
+
+Component.registerComponent('ControlBar', ControlBar);
+
+/**
+ * @file error-display.js
+ */
+
+/**
+ * A display that indicates an error has occurred. This means that the video
+ * is unplayable.
+ *
+ * @extends ModalDialog
+ */
+
+var ErrorDisplay = function (_ModalDialog) {
+  inherits(ErrorDisplay, _ModalDialog);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param  {Player} player
+   *         The `Player` that this class should be attached to.
+   *
+   * @param  {Object} [options]
+   *         The key/value store of player options.
+   */
+  function ErrorDisplay(player, options) {
+    classCallCheck(this, ErrorDisplay);
+
+    var _this = possibleConstructorReturn(this, _ModalDialog.call(this, player, options));
+
+    _this.on(player, 'error', _this.open);
+    return _this;
+  }
+
+  /**
+   * Builds the default DOM `className`.
+   *
+   * @return {string}
+   *         The DOM `className` for this object.
+   *
+   * @deprecated Since version 5.
+   */
+
+
+  ErrorDisplay.prototype.buildCSSClass = function buildCSSClass() {
+    return 'vjs-error-display ' + _ModalDialog.prototype.buildCSSClass.call(this);
+  };
+
+  /**
+   * Gets the localized error message based on the `Player`s error.
+   *
+   * @return {string}
+   *         The `Player`s error message localized or an empty string.
+   */
+
+
+  ErrorDisplay.prototype.content = function content() {
+    var error = this.player().error();
+
+    return error ? this.localize(error.message) : '';
+  };
+
+  return ErrorDisplay;
+}(ModalDialog);
+
+/**
+ * The default options for an `ErrorDisplay`.
+ *
+ * @private
+ */
+
+
+ErrorDisplay.prototype.options_ = mergeOptions(ModalDialog.prototype.options_, {
+  pauseOnOpen: false,
+  fillAlways: true,
+  temporary: false,
+  uncloseable: true
+});
+
+Component.registerComponent('ErrorDisplay', ErrorDisplay);
+
+/**
+ * @file text-track-settings.js
+ */
+
+var LOCAL_STORAGE_KEY = 'vjs-text-track-settings';
+
+var COLOR_BLACK = ['#000', 'Black'];
+var COLOR_BLUE = ['#00F', 'Blue'];
+var COLOR_CYAN = ['#0FF', 'Cyan'];
+var COLOR_GREEN = ['#0F0', 'Green'];
+var COLOR_MAGENTA = ['#F0F', 'Magenta'];
+var COLOR_RED = ['#F00', 'Red'];
+var COLOR_WHITE = ['#FFF', 'White'];
+var COLOR_YELLOW = ['#FF0', 'Yellow'];
+
+var OPACITY_OPAQUE = ['1', 'Opaque'];
+var OPACITY_SEMI = ['0.5', 'Semi-Transparent'];
+var OPACITY_TRANS = ['0', 'Transparent'];
+
+// Configuration for the various <select> elements in the DOM of this component.
+//
+// Possible keys include:
+//
+// `default`:
+//   The default option index. Only needs to be provided if not zero.
+// `parser`:
+//   A function which is used to parse the value from the selected option in
+//   a customized way.
+// `selector`:
+//   The selector used to find the associated <select> element.
+var selectConfigs = {
+  backgroundColor: {
+    selector: '.vjs-bg-color > select',
+    id: 'captions-background-color-%s',
+    label: 'Color',
+    options: [COLOR_BLACK, COLOR_WHITE, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]
+  },
+
+  backgroundOpacity: {
+    selector: '.vjs-bg-opacity > select',
+    id: 'captions-background-opacity-%s',
+    label: 'Transparency',
+    options: [OPACITY_OPAQUE, OPACITY_SEMI, OPACITY_TRANS]
+  },
+
+  color: {
+    selector: '.vjs-fg-color > select',
+    id: 'captions-foreground-color-%s',
+    label: 'Color',
+    options: [COLOR_WHITE, COLOR_BLACK, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]
+  },
+
+  edgeStyle: {
+    selector: '.vjs-edge-style > select',
+    id: '%s',
+    label: 'Text Edge Style',
+    options: [['none', 'None'], ['raised', 'Raised'], ['depressed', 'Depressed'], ['uniform', 'Uniform'], ['dropshadow', 'Dropshadow']]
+  },
+
+  fontFamily: {
+    selector: '.vjs-font-family > select',
+    id: 'captions-font-family-%s',
+    label: 'Font Family',
+    options: [['proportionalSansSerif', 'Proportional Sans-Serif'], ['monospaceSansSerif', 'Monospace Sans-Serif'], ['proportionalSerif', 'Proportional Serif'], ['monospaceSerif', 'Monospace Serif'], ['casual', 'Casual'], ['script', 'Script'], ['small-caps', 'Small Caps']]
+  },
+
+  fontPercent: {
+    selector: '.vjs-font-percent > select',
+    id: 'captions-font-size-%s',
+    label: 'Font Size',
+    options: [['0.50', '50%'], ['0.75', '75%'], ['1.00', '100%'], ['1.25', '125%'], ['1.50', '150%'], ['1.75', '175%'], ['2.00', '200%'], ['3.00', '300%'], ['4.00', '400%']],
+    default: 2,
+    parser: function parser(v) {
+      return v === '1.00' ? null : Number(v);
+    }
+  },
+
+  textOpacity: {
+    selector: '.vjs-text-opacity > select',
+    id: 'captions-foreground-opacity-%s',
+    label: 'Transparency',
+    options: [OPACITY_OPAQUE, OPACITY_SEMI]
+  },
+
+  // Options for this object are defined below.
+  windowColor: {
+    selector: '.vjs-window-color > select',
+    id: 'captions-window-color-%s',
+    label: 'Color'
+  },
+
+  // Options for this object are defined below.
+  windowOpacity: {
+    selector: '.vjs-window-opacity > select',
+    id: 'captions-window-opacity-%s',
+    label: 'Transparency',
+    options: [OPACITY_TRANS, OPACITY_SEMI, OPACITY_OPAQUE]
+  }
+};
+
+selectConfigs.windowColor.options = selectConfigs.backgroundColor.options;
+
+/**
+ * Get the actual value of an option.
+ *
+ * @param  {string} value
+ *         The value to get
+ *
+ * @param  {Function} [parser]
+ *         Optional function to adjust the value.
+ *
+ * @return {Mixed}
+ *         - Will be `undefined` if no value exists
+ *         - Will be `undefined` if the given value is "none".
+ *         - Will be the actual value otherwise.
+ *
+ * @private
+ */
+function parseOptionValue(value, parser) {
+  if (parser) {
+    value = parser(value);
+  }
+
+  if (value && value !== 'none') {
+    return value;
+  }
+}
+
+/**
+ * Gets the value of the selected <option> element within a <select> element.
+ *
+ * @param  {Element} el
+ *         the element to look in
+ *
+ * @param  {Function} [parser]
+ *         Optional function to adjust the value.
+ *
+ * @return {Mixed}
+ *         - Will be `undefined` if no value exists
+ *         - Will be `undefined` if the given value is "none".
+ *         - Will be the actual value otherwise.
+ *
+ * @private
+ */
+function getSelectedOptionValue(el, parser) {
+  var value = el.options[el.options.selectedIndex].value;
+
+  return parseOptionValue(value, parser);
+}
+
+/**
+ * Sets the selected <option> element within a <select> element based on a
+ * given value.
+ *
+ * @param {Element} el
+ *        The element to look in.
+ *
+ * @param {string} value
+ *        the property to look on.
+ *
+ * @param {Function} [parser]
+ *        Optional function to adjust the value before comparing.
+ *
+ * @private
+ */
+function setSelectedOption(el, value, parser) {
+  if (!value) {
+    return;
+  }
+
+  for (var i = 0; i < el.options.length; i++) {
+    if (parseOptionValue(el.options[i].value, parser) === value) {
+      el.selectedIndex = i;
+      break;
+    }
+  }
+}
+
+/**
+ * Manipulate Text Tracks settings.
+ *
+ * @extends ModalDialog
+ */
+
+var TextTrackSettings = function (_ModalDialog) {
+  inherits(TextTrackSettings, _ModalDialog);
+
+  /**
+   * Creates an instance of this class.
+   *
+   * @param {Player} player
+   *         The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *         The key/value store of player options.
+   */
+  function TextTrackSettings(player, options) {
+    classCallCheck(this, TextTrackSettings);
+
+    options.temporary = false;
+
+    var _this = possibleConstructorReturn(this, _ModalDialog.call(this, player, options));
+
+    _this.updateDisplay = bind(_this, _this.updateDisplay);
+
+    // fill the modal and pretend we have opened it
+    _this.fill();
+    _this.hasBeenOpened_ = _this.hasBeenFilled_ = true;
+
+    _this.endDialog = createEl('p', {
+      className: 'vjs-control-text',
+      textContent: _this.localize('End of dialog window.')
+    });
+    _this.el().appendChild(_this.endDialog);
+
+    _this.setDefaults();
+
+    // Grab `persistTextTrackSettings` from the player options if not passed in child options
+    if (options.persistTextTrackSettings === undefined) {
+      _this.options_.persistTextTrackSettings = _this.options_.playerOptions.persistTextTrackSettings;
+    }
+
+    _this.on(_this.$('.vjs-done-button'), 'click', function () {
+      _this.saveSettings();
+      _this.close();
+    });
+
+    _this.on(_this.$('.vjs-default-button'), 'click', function () {
+      _this.setDefaults();
+      _this.updateDisplay();
+    });
+
+    each(selectConfigs, function (config) {
+      _this.on(_this.$(config.selector), 'change', _this.updateDisplay);
+    });
+
+    if (_this.options_.persistTextTrackSettings) {
+      _this.restoreSettings();
+    }
+    return _this;
+  }
+
+  TextTrackSettings.prototype.dispose = function dispose() {
+    this.endDialog = null;
+
+    _ModalDialog.prototype.dispose.call(this);
+  };
+
+  /**
+   * Create a <select> element with configured options.
+   *
+   * @param {string} key
+   *        Configuration key to use during creation.
+   *
+   * @return {string}
+   *         An HTML string.
+   *
+   * @private
+   */
+
+
+  TextTrackSettings.prototype.createElSelect_ = function createElSelect_(key) {
+    var _this2 = this;
+
+    var legendId = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
+    var type = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'label';
+
+    var config = selectConfigs[key];
+    var id = config.id.replace('%s', this.id_);
+    var selectLabelledbyIds = [legendId, id].join(' ').trim();
+
+    return ['<' + type + ' id="' + id + '" class="' + (type === 'label' ? 'vjs-label' : '') + '">', this.localize(config.label), '</' + type + '>', '<select aria-labelledby="' + selectLabelledbyIds + '">'].concat(config.options.map(function (o) {
+      var optionId = id + '-' + o[1].replace(/\W+/g, '');
+
+      return ['<option id="' + optionId + '" value="' + o[0] + '" ', 'aria-labelledby="' + selectLabelledbyIds + ' ' + optionId + '">', _this2.localize(o[1]), '</option>'].join('');
+    })).concat('</select>').join('');
+  };
+
+  /**
+   * Create foreground color element for the component
+   *
+   * @return {string}
+   *         An HTML string.
+   *
+   * @private
+   */
+
+
+  TextTrackSettings.prototype.createElFgColor_ = function createElFgColor_() {
+    var legendId = 'captions-text-legend-' + this.id_;
+
+    return ['<fieldset class="vjs-fg-color vjs-track-setting">', '<legend id="' + legendId + '">', this.localize('Text'), '</legend>', this.createElSelect_('color', legendId), '<span class="vjs-text-opacity vjs-opacity">', this.createElSelect_('textOpacity', legendId), '</span>', '</fieldset>'].join('');
+  };
+
+  /**
+   * Create background color element for the component
+   *
+   * @return {string}
+   *         An HTML string.
+   *
+   * @private
+   */
+
+
+  TextTrackSettings.prototype.createElBgColor_ = function createElBgColor_() {
+    var legendId = 'captions-background-' + this.id_;
+
+    return ['<fieldset class="vjs-bg-color vjs-track-setting">', '<legend id="' + legendId + '">', this.localize('Background'), '</legend>', this.createElSelect_('backgroundColor', legendId), '<span class="vjs-bg-opacity vjs-opacity">', this.createElSelect_('backgroundOpacity', legendId), '</span>', '</fieldset>'].join('');
+  };
+
+  /**
+   * Create window color element for the component
+   *
+   * @return {string}
+   *         An HTML string.
+   *
+   * @private
+   */
+
+
+  TextTrackSettings.prototype.createElWinColor_ = function createElWinColor_() {
+    var legendId = 'captions-window-' + this.id_;
+
+    return ['<fieldset class="vjs-window-color vjs-track-setting">', '<legend id="' + legendId + '">', this.localize('Window'), '</legend>', this.createElSelect_('windowColor', legendId), '<span class="vjs-window-opacity vjs-opacity">', this.createElSelect_('windowOpacity', legendId), '</span>', '</fieldset>'].join('');
+  };
+
+  /**
+   * Create color elements for the component
+   *
+   * @return {Element}
+   *         The element that was created
+   *
+   * @private
+   */
+
+
+  TextTrackSettings.prototype.createElColors_ = function createElColors_() {
+    return createEl('div', {
+      className: 'vjs-track-settings-colors',
+      innerHTML: [this.createElFgColor_(), this.createElBgColor_(), this.createElWinColor_()].join('')
+    });
+  };
+
+  /**
+   * Create font elements for the component
+   *
+   * @return {Element}
+   *         The element that was created.
+   *
+   * @private
+   */
+
+
+  TextTrackSettings.prototype.createElFont_ = function createElFont_() {
+    return createEl('div', {
+      className: 'vjs-track-settings-font',
+      innerHTML: ['<fieldset class="vjs-font-percent vjs-track-setting">', this.createElSelect_('fontPercent', '', 'legend'), '</fieldset>', '<fieldset class="vjs-edge-style vjs-track-setting">', this.createElSelect_('edgeStyle', '', 'legend'), '</fieldset>', '<fieldset class="vjs-font-family vjs-track-setting">', this.createElSelect_('fontFamily', '', 'legend'), '</fieldset>'].join('')
+    });
+  };
+
+  /**
+   * Create controls for the component
+   *
+   * @return {Element}
+   *         The element that was created.
+   *
+   * @private
+   */
+
+
+  TextTrackSettings.prototype.createElControls_ = function createElControls_() {
+    var defaultsDescription = this.localize('restore all settings to the default values');
+
+    return createEl('div', {
+      className: 'vjs-track-settings-controls',
+      innerHTML: ['<button class="vjs-default-button" title="' + defaultsDescription + '">', this.localize('Reset'), '<span class="vjs-control-text"> ' + defaultsDescription + '</span>', '</button>', '<button class="vjs-done-button">' + this.localize('Done') + '</button>'].join('')
+    });
+  };
+
+  TextTrackSettings.prototype.content = function content() {
+    return [this.createElColors_(), this.createElFont_(), this.createElControls_()];
+  };
+
+  TextTrackSettings.prototype.label = function label() {
+    return this.localize('Caption Settings Dialog');
+  };
+
+  TextTrackSettings.prototype.description = function description() {
+    return this.localize('Beginning of dialog window. Escape will cancel and close the window.');
+  };
+
+  TextTrackSettings.prototype.buildCSSClass = function buildCSSClass() {
+    return _ModalDialog.prototype.buildCSSClass.call(this) + ' vjs-text-track-settings';
+  };
+
+  /**
+   * Gets an object of text track settings (or null).
+   *
+   * @return {Object}
+   *         An object with config values parsed from the DOM or localStorage.
+   */
+
+
+  TextTrackSettings.prototype.getValues = function getValues() {
+    var _this3 = this;
+
+    return reduce(selectConfigs, function (accum, config, key) {
+      var value = getSelectedOptionValue(_this3.$(config.selector), config.parser);
+
+      if (value !== undefined) {
+        accum[key] = value;
+      }
+
+      return accum;
+    }, {});
+  };
+
+  /**
+   * Sets text track settings from an object of values.
+   *
+   * @param {Object} values
+   *        An object with config values parsed from the DOM or localStorage.
+   */
+
+
+  TextTrackSettings.prototype.setValues = function setValues(values) {
+    var _this4 = this;
+
+    each(selectConfigs, function (config, key) {
+      setSelectedOption(_this4.$(config.selector), values[key], config.parser);
+    });
+  };
+
+  /**
+   * Sets all `<select>` elements to their default values.
+   */
+
+
+  TextTrackSettings.prototype.setDefaults = function setDefaults() {
+    var _this5 = this;
+
+    each(selectConfigs, function (config) {
+      var index = config.hasOwnProperty('default') ? config.default : 0;
+
+      _this5.$(config.selector).selectedIndex = index;
+    });
+  };
+
+  /**
+   * Restore texttrack settings from localStorage
+   */
+
+
+  TextTrackSettings.prototype.restoreSettings = function restoreSettings() {
+    var values = void 0;
+
+    try {
+      values = JSON.parse(window$1.localStorage.getItem(LOCAL_STORAGE_KEY));
+    } catch (err) {
+      log$1.warn(err);
+    }
+
+    if (values) {
+      this.setValues(values);
+    }
+  };
+
+  /**
+   * Save text track settings to localStorage
+   */
+
+
+  TextTrackSettings.prototype.saveSettings = function saveSettings() {
+    if (!this.options_.persistTextTrackSettings) {
+      return;
+    }
+
+    var values = this.getValues();
+
+    try {
+      if (Object.keys(values).length) {
+        window$1.localStorage.setItem(LOCAL_STORAGE_KEY, JSON.stringify(values));
+      } else {
+        window$1.localStorage.removeItem(LOCAL_STORAGE_KEY);
+      }
+    } catch (err) {
+      log$1.warn(err);
+    }
+  };
+
+  /**
+   * Update display of text track settings
+   */
+
+
+  TextTrackSettings.prototype.updateDisplay = function updateDisplay() {
+    var ttDisplay = this.player_.getChild('textTrackDisplay');
+
+    if (ttDisplay) {
+      ttDisplay.updateDisplay();
+    }
+  };
+
+  /**
+   * conditionally blur the element and refocus the captions button
+   *
+   * @private
+   */
+
+
+  TextTrackSettings.prototype.conditionalBlur_ = function conditionalBlur_() {
+    this.previouslyActiveEl_ = null;
+    this.off(document, 'keydown', this.handleKeyDown);
+
+    var cb = this.player_.controlBar;
+    var subsCapsBtn = cb && cb.subsCapsButton;
+    var ccBtn = cb && cb.captionsButton;
+
+    if (subsCapsBtn) {
+      subsCapsBtn.focus();
+    } else if (ccBtn) {
+      ccBtn.focus();
+    }
+  };
+
+  return TextTrackSettings;
+}(ModalDialog);
+
+Component.registerComponent('TextTrackSettings', TextTrackSettings);
+
+/**
+ * @file resize-manager.js
+ */
+
+/**
+ * A Resize Manager. It is in charge of triggering `playerresize` on the player in the right conditions.
+ *
+ * It'll either create an iframe and use a debounced resize handler on it or use the new {@link https://wicg.github.io/ResizeObserver/|ResizeObserver}.
+ *
+ * If the ResizeObserver is available natively, it will be used. A polyfill can be passed in as an option.
+ * If a `playerresize` event is not needed, the ResizeManager component can be removed from the player, see the example below.
+ * @example <caption>How to disable the resize manager</caption>
+ * const player = videojs('#vid', {
+ *   resizeManager: false
+ * });
+ *
+ * @see {@link https://wicg.github.io/ResizeObserver/|ResizeObserver specification}
+ *
+ * @extends Component
+ */
+
+var ResizeManager = function (_Component) {
+  inherits(ResizeManager, _Component);
+
+  /**
+   * Create the ResizeManager.
+   *
+   * @param {Object} player
+   *        The `Player` that this class should be attached to.
+   *
+   * @param {Object} [options]
+   *        The key/value store of ResizeManager options.
+   *
+   * @param {Object} [options.ResizeObserver]
+   *        A polyfill for ResizeObserver can be passed in here.
+   *        If this is set to null it will ignore the native ResizeObserver and fall back to the iframe fallback.
+   */
+  function ResizeManager(player, options) {
+    classCallCheck(this, ResizeManager);
+
+    var RESIZE_OBSERVER_AVAILABLE = options.ResizeObserver || window$1.ResizeObserver;
+
+    // if `null` was passed, we want to disable the ResizeObserver
+    if (options.ResizeObserver === null) {
+      RESIZE_OBSERVER_AVAILABLE = false;
+    }
+
+    // Only create an element when ResizeObserver isn't available
+    var options_ = mergeOptions({
+      createEl: !RESIZE_OBSERVER_AVAILABLE,
+      reportTouchActivity: false
+    }, options);
+
+    var _this = possibleConstructorReturn(this, _Component.call(this, player, options_));
+
+    _this.ResizeObserver = options.ResizeObserver || window$1.ResizeObserver;
+    _this.loadListener_ = null;
+    _this.resizeObserver_ = null;
+    _this.debouncedHandler_ = debounce(function () {
+      _this.resizeHandler();
+    }, 100, false, _this);
+
+    if (RESIZE_OBSERVER_AVAILABLE) {
+      _this.resizeObserver_ = new _this.ResizeObserver(_this.debouncedHandler_);
+      _this.resizeObserver_.observe(player.el());
+    } else {
+      _this.loadListener_ = function () {
+        if (!_this.el_ || !_this.el_.contentWindow) {
+          return;
+        }
+
+        on(_this.el_.contentWindow, 'resize', _this.debouncedHandler_);
+      };
+
+      _this.one('load', _this.loadListener_);
+    }
+    return _this;
+  }
+
+  ResizeManager.prototype.createEl = function createEl() {
+    return _Component.prototype.createEl.call(this, 'iframe', {
+      className: 'vjs-resize-manager'
+    });
+  };
+
+  /**
+   * Called when a resize is triggered on the iframe or a resize is observed via the ResizeObserver
+   *
+   * @fires Player#playerresize
+   */
+
+
+  ResizeManager.prototype.resizeHandler = function resizeHandler() {
+    /**
+     * Called when the player size has changed
+     *
+     * @event Player#playerresize
+     * @type {EventTarget~Event}
+     */
+    // make sure player is still around to trigger
+    // prevents this from causing an error after dispose
+    if (!this.player_ || !this.player_.trigger) {
+      return;
+    }
+
+    this.player_.trigger('playerresize');
+  };
+
+  ResizeManager.prototype.dispose = function dispose() {
+    if (this.debouncedHandler_) {
+      this.debouncedHandler_.cancel();
+    }
+
+    if (this.resizeObserver_) {
+      if (this.player_.el()) {
+        this.resizeObserver_.unobserve(this.player_.el());
+      }
+      this.resizeObserver_.disconnect();
+    }
+
+    if (this.el_ && this.el_.contentWindow) {
+      off(this.el_.contentWindow, 'resize', this.debouncedHandler_);
+    }
+
+    if (this.loadListener_) {
+      this.off('load', this.loadListener_);
+    }
+
+    this.ResizeObserver = null;
+    this.resizeObserver = null;
+    this.debouncedHandler_ = null;
+    this.loadListener_ = null;
+  };
+
+  return ResizeManager;
+}(Component);
+
+Component.registerComponent('ResizeManager', ResizeManager);
+
+/**
+ * This function is used to fire a sourceset when there is something
+ * similar to `mediaEl.load()` being called. It will try to find the source via
+ * the `src` attribute and then the `<source>` elements. It will then fire `sourceset`
+ * with the source that was found or empty string if we cannot know. If it cannot
+ * find a source then `sourceset` will not be fired.
+ *
+ * @param {Html5} tech
+ *        The tech object that sourceset was setup on
+ *
+ * @return {boolean}
+ *         returns false if the sourceset was not fired and true otherwise.
+ */
+var sourcesetLoad = function sourcesetLoad(tech) {
+  var el = tech.el();
+
+  // if `el.src` is set, that source will be loaded.
+  if (el.hasAttribute('src')) {
+    tech.triggerSourceset(el.src);
+    return true;
+  }
+
+  /**
+   * Since there isn't a src property on the media element, source elements will be used for
+   * implementing the source selection algorithm. This happens asynchronously and
+   * for most cases were there is more than one source we cannot tell what source will
+   * be loaded, without re-implementing the source selection algorithm. At this time we are not
+   * going to do that. There are three special cases that we do handle here though:
+   *
+   * 1. If there are no sources, do not fire `sourceset`.
+   * 2. If there is only one `<source>` with a `src` property/attribute that is our `src`
+   * 3. If there is more than one `<source>` but all of them have the same `src` url.
+   *    That will be our src.
+   */
+  var sources = tech.$$('source');
+  var srcUrls = [];
+  var src = '';
+
+  // if there are no sources, do not fire sourceset
+  if (!sources.length) {
+    return false;
+  }
+
+  // only count valid/non-duplicate source elements
+  for (var i = 0; i < sources.length; i++) {
+    var url = sources[i].src;
+
+    if (url && srcUrls.indexOf(url) === -1) {
+      srcUrls.push(url);
+    }
+  }
+
+  // there were no valid sources
+  if (!srcUrls.length) {
+    return false;
+  }
+
+  // there is only one valid source element url
+  // use that
+  if (srcUrls.length === 1) {
+    src = srcUrls[0];
+  }
+
+  tech.triggerSourceset(src);
+  return true;
+};
+
+/**
+ * our implementation of an `innerHTML` descriptor for browsers
+ * that do not have one.
+ */
+var innerHTMLDescriptorPolyfill = Object.defineProperty({}, 'innerHTML', {
+  get: function get() {
+    return this.cloneNode(true).innerHTML;
+  },
+  set: function set(v) {
+    // make a dummy node to use innerHTML on
+    var dummy = document.createElement(this.nodeName.toLowerCase());
+
+    // set innerHTML to the value provided
+    dummy.innerHTML = v;
+
+    // make a document fragment to hold the nodes from dummy
+    var docFrag = document.createDocumentFragment();
+
+    // copy all of the nodes created by the innerHTML on dummy
+    // to the document fragment
+    while (dummy.childNodes.length) {
+      docFrag.appendChild(dummy.childNodes[0]);
+    }
+
+    // remove content
+    this.innerText = '';
+
+    // now we add all of that html in one by appending the
+    // document fragment. This is how innerHTML does it.
+    window$1.Element.prototype.appendChild.call(this, docFrag);
+
+    // then return the result that innerHTML's setter would
+    return this.innerHTML;
+  }
+});
+
+/**
+ * Get a property descriptor given a list of priorities and the
+ * property to get.
+ */
+var getDescriptor = function getDescriptor(priority, prop) {
+  var descriptor = {};
+
+  for (var i = 0; i < priority.length; i++) {
+    descriptor = Object.getOwnPropertyDescriptor(priority[i], prop);
+
+    if (descriptor && descriptor.set && descriptor.get) {
+      break;
+    }
+  }
+
+  descriptor.enumerable = true;
+  descriptor.configurable = true;
+
+  return descriptor;
+};
+
+var getInnerHTMLDescriptor = function getInnerHTMLDescriptor(tech) {
+  return getDescriptor([tech.el(), window$1.HTMLMediaElement.prototype, window$1.Element.prototype, innerHTMLDescriptorPolyfill], 'innerHTML');
+};
+
+/**
+ * Patches browser internal functions so that we can tell synchronously
+ * if a `<source>` was appended to the media element. For some reason this
+ * causes a `sourceset` if the the media element is ready and has no source.
+ * This happens when:
+ * - The page has just loaded and the media element does not have a source.
+ * - The media element was emptied of all sources, then `load()` was called.
+ *
+ * It does this by patching the following functions/properties when they are supported:
+ *
+ * - `append()` - can be used to add a `<source>` element to the media element
+ * - `appendChild()` - can be used to add a `<source>` element to the media element
+ * - `insertAdjacentHTML()` -  can be used to add a `<source>` element to the media element
+ * - `innerHTML` -  can be used to add a `<source>` element to the media element
+ *
+ * @param {Html5} tech
+ *        The tech object that sourceset is being setup on.
+ */
+var firstSourceWatch = function firstSourceWatch(tech) {
+  var el = tech.el();
+
+  // make sure firstSourceWatch isn't setup twice.
+  if (el.resetSourceWatch_) {
+    return;
+  }
+
+  var old = {};
+  var innerDescriptor = getInnerHTMLDescriptor(tech);
+  var appendWrapper = function appendWrapper(appendFn) {
+    return function () {
+      for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+        args[_key] = arguments[_key];
+      }
+
+      var retval = appendFn.apply(el, args);
+
+      sourcesetLoad(tech);
+
+      return retval;
+    };
+  };
+
+  ['append', 'appendChild', 'insertAdjacentHTML'].forEach(function (k) {
+    if (!el[k]) {
+      return;
+    }
+
+    // store the old function
+    old[k] = el[k];
+
+    // call the old function with a sourceset if a source
+    // was loaded
+    el[k] = appendWrapper(old[k]);
+  });
+
+  Object.defineProperty(el, 'innerHTML', mergeOptions(innerDescriptor, {
+    set: appendWrapper(innerDescriptor.set)
+  }));
+
+  el.resetSourceWatch_ = function () {
+    el.resetSourceWatch_ = null;
+    Object.keys(old).forEach(function (k) {
+      el[k] = old[k];
+    });
+
+    Object.defineProperty(el, 'innerHTML', innerDescriptor);
+  };
+
+  // on the first sourceset, we need to revert our changes
+  tech.one('sourceset', el.resetSourceWatch_);
+};
+
+/**
+ * our implementation of a `src` descriptor for browsers
+ * that do not have one.
+ */
+var srcDescriptorPolyfill = Object.defineProperty({}, 'src', {
+  get: function get() {
+    if (this.hasAttribute('src')) {
+      return getAbsoluteURL(window$1.Element.prototype.getAttribute.call(this, 'src'));
+    }
+
+    return '';
+  },
+  set: function set(v) {
+    window$1.Element.prototype.setAttribute.call(this, 'src', v);
+
+    return v;
+  }
+});
+
+var getSrcDescriptor = function getSrcDescriptor(tech) {
+  return getDescriptor([tech.el(), window$1.HTMLMediaElement.prototype, srcDescriptorPolyfill], 'src');
+};
+
+/**
+ * setup `sourceset` handling on the `Html5` tech. This function
+ * patches the following element properties/functions:
+ *
+ * - `src` - to determine when `src` is set
+ * - `setAttribute()` - to determine when `src` is set
+ * - `load()` - this re-triggers the source selection algorithm, and can
+ *              cause a sourceset.
+ *
+ * If there is no source when we are adding `sourceset` support or during a `load()`
+ * we also patch the functions listed in `firstSourceWatch`.
+ *
+ * @param {Html5} tech
+ *        The tech to patch
+ */
+var setupSourceset = function setupSourceset(tech) {
+  if (!tech.featuresSourceset) {
+    return;
+  }
+
+  var el = tech.el();
+
+  // make sure sourceset isn't setup twice.
+  if (el.resetSourceset_) {
+    return;
+  }
+
+  var srcDescriptor = getSrcDescriptor(tech);
+  var oldSetAttribute = el.setAttribute;
+  var oldLoad = el.load;
+
+  Object.defineProperty(el, 'src', mergeOptions(srcDescriptor, {
+    set: function set(v) {
+      var retval = srcDescriptor.set.call(el, v);
+
+      // we use the getter here to get the actual value set on src
+      tech.triggerSourceset(el.src);
+
+      return retval;
+    }
+  }));
+
+  el.setAttribute = function (n, v) {
+    var retval = oldSetAttribute.call(el, n, v);
+
+    if (/src/i.test(n)) {
+      tech.triggerSourceset(el.src);
+    }
+
+    return retval;
+  };
+
+  el.load = function () {
+    var retval = oldLoad.call(el);
+
+    // if load was called, but there was no source to fire
+    // sourceset on. We have to watch for a source append
+    // as that can trigger a `sourceset` when the media element
+    // has no source
+    if (!sourcesetLoad(tech)) {
+      tech.triggerSourceset('');
+      firstSourceWatch(tech);
+    }
+
+    return retval;
+  };
+
+  if (el.currentSrc) {
+    tech.triggerSourceset(el.currentSrc);
+  } else if (!sourcesetLoad(tech)) {
+    firstSourceWatch(tech);
+  }
+
+  el.resetSourceset_ = function () {
+    el.resetSourceset_ = null;
+    el.load = oldLoad;
+    el.setAttribute = oldSetAttribute;
+    Object.defineProperty(el, 'src', srcDescriptor);
+    if (el.resetSourceWatch_) {
+      el.resetSourceWatch_();
+    }
+  };
+};
+
+var _templateObject$1 = taggedTemplateLiteralLoose(['Text Tracks are being loaded from another origin but the crossorigin attribute isn\'t used.\n            This may prevent text tracks from loading.'], ['Text Tracks are being loaded from another origin but the crossorigin attribute isn\'t used.\n            This may prevent text tracks from loading.']);
+
+/**
+ * HTML5 Media Controller - Wrapper for HTML5 Media API
+ *
+ * @mixes Tech~SourceHandlerAdditions
+ * @extends Tech
+ */
+
+var Html5 = function (_Tech) {
+  inherits(Html5, _Tech);
+
+  /**
+   * Create an instance of this Tech.
+   *
+   * @param {Object} [options]
+   *        The key/value store of player options.
+   *
+   * @param {Component~ReadyCallback} ready
+   *        Callback function to call when the `HTML5` Tech is ready.
+   */
+  function Html5(options, ready) {
+    classCallCheck(this, Html5);
+
+    var _this = possibleConstructorReturn(this, _Tech.call(this, options, ready));
+
+    var source = options.source;
+    var crossoriginTracks = false;
+
+    // Set the source if one is provided
+    // 1) Check if the source is new (if not, we want to keep the original so playback isn't interrupted)
+    // 2) Check to see if the network state of the tag was failed at init, and if so, reset the source
+    // anyway so the error gets fired.
+    if (source && (_this.el_.currentSrc !== source.src || options.tag && options.tag.initNetworkState_ === 3)) {
+      _this.setSource(source);
+    } else {
+      _this.handleLateInit_(_this.el_);
+    }
+
+    // setup sourceset after late sourceset/init
+    if (options.enableSourceset) {
+      _this.setupSourcesetHandling_();
+    }
+
+    if (_this.el_.hasChildNodes()) {
+
+      var nodes = _this.el_.childNodes;
+      var nodesLength = nodes.length;
+      var removeNodes = [];
+
+      while (nodesLength--) {
+        var node = nodes[nodesLength];
+        var nodeName = node.nodeName.toLowerCase();
+
+        if (nodeName === 'track') {
+          if (!_this.featuresNativeTextTracks) {
+            // Empty video tag tracks so the built-in player doesn't use them also.
+            // This may not be fast enough to stop HTML5 browsers from reading the tags
+            // so we'll need to turn off any default tracks if we're manually doing
+            // captions and subtitles. videoElement.textTracks
+            removeNodes.push(node);
+          } else {
+            // store HTMLTrackElement and TextTrack to remote list
+            _this.remoteTextTrackEls().addTrackElement_(node);
+            _this.remoteTextTracks().addTrack(node.track);
+            _this.textTracks().addTrack(node.track);
+            if (!crossoriginTracks && !_this.el_.hasAttribute('crossorigin') && isCrossOrigin(node.src)) {
+              crossoriginTracks = true;
+            }
+          }
+        }
+      }
+
+      for (var i = 0; i < removeNodes.length; i++) {
+        _this.el_.removeChild(removeNodes[i]);
+      }
+    }
+
+    _this.proxyNativeTracks_();
+    if (_this.featuresNativeTextTracks && crossoriginTracks) {
+      log$1.warn(tsml(_templateObject$1));
+    }
+
+    // prevent iOS Safari from disabling metadata text tracks during native playback
+    _this.restoreMetadataTracksInIOSNativePlayer_();
+
+    // Determine if native controls should be used
+    // Our goal should be to get the custom controls on mobile solid everywhere
+    // so we can remove this all together. Right now this will block custom
+    // controls on touch enabled laptops like the Chrome Pixel
+    if ((TOUCH_ENABLED || IS_IPHONE || IS_NATIVE_ANDROID) && options.nativeControlsForTouch === true) {
+      _this.setControls(true);
+    }
+
+    // on iOS, we want to proxy `webkitbeginfullscreen` and `webkitendfullscreen`
+    // into a `fullscreenchange` event
+    _this.proxyWebkitFullscreen_();
+
+    _this.triggerReady();
+    return _this;
+  }
+
+  /**
+   * Dispose of `HTML5` media element and remove all tracks.
+   */
+
+
+  Html5.prototype.dispose = function dispose() {
+    if (this.el_ && this.el_.resetSourceset_) {
+      this.el_.resetSourceset_();
+    }
+    Html5.disposeMediaElement(this.el_);
+    this.options_ = null;
+
+    // tech will handle clearing of the emulated track list
+    _Tech.prototype.dispose.call(this);
+  };
+
+  /**
+   * Modify the media element so that we can detect when
+   * the source is changed. Fires `sourceset` just after the source has changed
+   */
+
+
+  Html5.prototype.setupSourcesetHandling_ = function setupSourcesetHandling_() {
+    setupSourceset(this);
+  };
+
+  /**
+   * When a captions track is enabled in the iOS Safari native player, all other
+   * tracks are disabled (including metadata tracks), which nulls all of their
+   * associated cue points. This will restore metadata tracks to their pre-fullscreen
+   * state in those cases so that cue points are not needlessly lost.
+   *
+   * @private
+   */
+
+
+  Html5.prototype.restoreMetadataTracksInIOSNativePlayer_ = function restoreMetadataTracksInIOSNativePlayer_() {
+    var textTracks = this.textTracks();
+    var metadataTracksPreFullscreenState = void 0;
+
+    // captures a snapshot of every metadata track's current state
+    var takeMetadataTrackSnapshot = function takeMetadataTrackSnapshot() {
+      metadataTracksPreFullscreenState = [];
+
+      for (var i = 0; i < textTracks.length; i++) {
+        var track = textTracks[i];
+
+        if (track.kind === 'metadata') {
+          metadataTracksPreFullscreenState.push({
+            track: track,
+            storedMode: track.mode
+          });
+        }
+      }
+    };
+
+    // snapshot each metadata track's initial state, and update the snapshot
+    // each time there is a track 'change' event
+    takeMetadataTrackSnapshot();
+    textTracks.addEventListener('change', takeMetadataTrackSnapshot);
+
+    this.on('dispose', function () {
+      return textTracks.removeEventListener('change', takeMetadataTrackSnapshot);
+    });
+
+    var restoreTrackMode = function restoreTrackMode() {
+      for (var i = 0; i < metadataTracksPreFullscreenState.length; i++) {
+        var storedTrack = metadataTracksPreFullscreenState[i];
+
+        if (storedTrack.track.mode === 'disabled' && storedTrack.track.mode !== storedTrack.storedMode) {
+          storedTrack.track.mode = storedTrack.storedMode;
+        }
+      }
+      // we only want this handler to be executed on the first 'change' event
+      textTracks.removeEventListener('change', restoreTrackMode);
+    };
+
+    // when we enter fullscreen playback, stop updating the snapshot and
+    // restore all track modes to their pre-fullscreen state
+    this.on('webkitbeginfullscreen', function () {
+      textTracks.removeEventListener('change', takeMetadataTrackSnapshot);
+
+      // remove the listener before adding it just in case it wasn't previously removed
+      textTracks.removeEventListener('change', restoreTrackMode);
+      textTracks.addEventListener('change', restoreTrackMode);
+    });
+
+    // start updating the snapshot again after leaving fullscreen
+    this.on('webkitendfullscreen', function () {
+      // remove the listener before adding it just in case it wasn't previously removed
+      textTracks.removeEventListener('change', takeMetadataTrackSnapshot);
+      textTracks.addEventListener('change', takeMetadataTrackSnapshot);
+
+      // remove the restoreTrackMode handler in case it wasn't triggered during fullscreen playback
+      textTracks.removeEventListener('change', restoreTrackMode);
+    });
+  };
+
+  /**
+   * Attempt to force override of tracks for the given type
+   *
+   * @param {String} type - Track type to override, possible values include 'Audio',
+   * 'Video', and 'Text'.
+   * @param {Boolean} override - If set to true native audio/video will be overridden,
+   * otherwise native audio/video will potentially be used.
+   * @private
+   */
+
+
+  Html5.prototype.overrideNative_ = function overrideNative_(type, override) {
+    var _this2 = this;
+
+    // If there is no behavioral change don't add/remove listeners
+    if (override !== this['featuresNative' + type + 'Tracks']) {
+      return;
+    }
+
+    var lowerCaseType = type.toLowerCase();
+
+    if (this[lowerCaseType + 'TracksListeners_']) {
+      Object.keys(this[lowerCaseType + 'TracksListeners_']).forEach(function (eventName) {
+        var elTracks = _this2.el()[lowerCaseType + 'Tracks'];
+
+        elTracks.removeEventListener(eventName, _this2[lowerCaseType + 'TracksListeners_'][eventName]);
+      });
+    }
+
+    this['featuresNative' + type + 'Tracks'] = !override;
+    this[lowerCaseType + 'TracksListeners_'] = null;
+
+    this.proxyNativeTracksForType_(lowerCaseType);
+  };
+
+  /**
+   * Attempt to force override of native audio tracks.
+   *
+   * @param {Boolean} override - If set to true native audio will be overridden,
+   * otherwise native audio will potentially be used.
+   */
+
+
+  Html5.prototype.overrideNativeAudioTracks = function overrideNativeAudioTracks(override) {
+    this.overrideNative_('Audio', override);
+  };
+
+  /**
+   * Attempt to force override of native video tracks.
+   *
+   * @param {Boolean} override - If set to true native video will be overridden,
+   * otherwise native video will potentially be used.
+   */
+
+
+  Html5.prototype.overrideNativeVideoTracks = function overrideNativeVideoTracks(override) {
+    this.overrideNative_('Video', override);
+  };
+
+  /**
+    * Proxy native track list events for the given type to our track
+    * lists if the browser we are playing in supports that type of track list.
+    *
+    * @param {string} name - Track type; values include 'audio', 'video', and 'text'
+    * @private
+    */
+
+
+  Html5.prototype.proxyNativeTracksForType_ = function proxyNativeTracksForType_(name) {
+    var _this3 = this;
+
+    var props = NORMAL[name];
+    var elTracks = this.el()[props.getterName];
+    var techTracks = this[props.getterName]();
+
+    if (!this['featuresNative' + props.capitalName + 'Tracks'] || !elTracks || !elTracks.addEventListener) {
+      return;
+    }
+    var listeners = {
+      change: function change(e) {
+        techTracks.trigger({
+          type: 'change',
+          target: techTracks,
+          currentTarget: techTracks,
+          srcElement: techTracks
+        });
+      },
+      addtrack: function addtrack(e) {
+        techTracks.addTrack(e.track);
+      },
+      removetrack: function removetrack(e) {
+        techTracks.removeTrack(e.track);
+      }
+    };
+    var removeOldTracks = function removeOldTracks() {
+      var removeTracks = [];
+
+      for (var i = 0; i < techTracks.length; i++) {
+        var found = false;
+
+        for (var j = 0; j < elTracks.length; j++) {
+          if (elTracks[j] === techTracks[i]) {
+            found = true;
+            break;
+          }
+        }
+
+        if (!found) {
+          removeTracks.push(techTracks[i]);
+        }
+      }
+
+      while (removeTracks.length) {
+        techTracks.removeTrack(removeTracks.shift());
+      }
+    };
+
+    this[props.getterName + 'Listeners_'] = listeners;
+
+    Object.keys(listeners).forEach(function (eventName) {
+      var listener = listeners[eventName];
+
+      elTracks.addEventListener(eventName, listener);
+      _this3.on('dispose', function (e) {
+        return elTracks.removeEventListener(eventName, listener);
+      });
+    });
+
+    // Remove (native) tracks that are not used anymore
+    this.on('loadstart', removeOldTracks);
+    this.on('dispose', function (e) {
+      return _this3.off('loadstart', removeOldTracks);
+    });
+  };
+
+  /**
+   * Proxy all native track list events to our track lists if the browser we are playing
+   * in supports that type of track list.
+   *
+   * @private
+   */
+
+
+  Html5.prototype.proxyNativeTracks_ = function proxyNativeTracks_() {
+    var _this4 = this;
+
+    NORMAL.names.forEach(function (name) {
+      _this4.proxyNativeTracksForType_(name);
+    });
+  };
+
+  /**
+   * Create the `Html5` Tech's DOM element.
+   *
+   * @return {Element}
+   *         The element that gets created.
+   */
+
+
+  Html5.prototype.createEl = function createEl$$1() {
+    var el = this.options_.tag;
+
+    // Check if this browser supports moving the element into the box.
+    // On the iPhone video will break if you move the element,
+    // So we have to create a brand new element.
+    // If we ingested the player div, we do not need to move the media element.
+    if (!el || !(this.options_.playerElIngest || this.movingMediaElementInDOM)) {
+
+      // If the original tag is still there, clone and remove it.
+      if (el) {
+        var clone = el.cloneNode(true);
+
+        if (el.parentNode) {
+          el.parentNode.insertBefore(clone, el);
+        }
+        Html5.disposeMediaElement(el);
+        el = clone;
+      } else {
+        el = document.createElement('video');
+
+        // determine if native controls should be used
+        var tagAttributes = this.options_.tag && getAttributes(this.options_.tag);
+        var attributes = mergeOptions({}, tagAttributes);
+
+        if (!TOUCH_ENABLED || this.options_.nativeControlsForTouch !== true) {
+          delete attributes.controls;
+        }
+
+        setAttributes(el, assign(attributes, {
+          id: this.options_.techId,
+          class: 'vjs-tech'
+        }));
+      }
+
+      el.playerId = this.options_.playerId;
+    }
+
+    if (typeof this.options_.preload !== 'undefined') {
+      setAttribute(el, 'preload', this.options_.preload);
+    }
+
+    // Update specific tag settings, in case they were overridden
+    // `autoplay` has to be *last* so that `muted` and `playsinline` are present
+    // when iOS/Safari or other browsers attempt to autoplay.
+    var settingsAttrs = ['loop', 'muted', 'playsinline', 'autoplay'];
+
+    for (var i = 0; i < settingsAttrs.length; i++) {
+      var attr = settingsAttrs[i];
+      var value = this.options_[attr];
+
+      if (typeof value !== 'undefined') {
+        if (value) {
+          setAttribute(el, attr, attr);
+        } else {
+          removeAttribute(el, attr);
+        }
+        el[attr] = value;
+      }
+    }
+
+    return el;
+  };
+
+  /**
+   * This will be triggered if the loadstart event has already fired, before videojs was
+   * ready. Two known examples of when this can happen are:
+   * 1. If we're loading the playback object after it has started loading
+   * 2. The media is already playing the (often with autoplay on) then
+   *
+   * This function will fire another loadstart so that videojs can catchup.
+   *
+   * @fires Tech#loadstart
+   *
+   * @return {undefined}
+   *         returns nothing.
+   */
+
+
+  Html5.prototype.handleLateInit_ = function handleLateInit_(el) {
+    if (el.networkState === 0 || el.networkState === 3) {
+      // The video element hasn't started loading the source yet
+      // or didn't find a source
+      return;
+    }
+
+    if (el.readyState === 0) {
+      // NetworkState is set synchronously BUT loadstart is fired at the
+      // end of the current stack, usually before setInterval(fn, 0).
+      // So at this point we know loadstart may have already fired or is
+      // about to fire, and either way the player hasn't seen it yet.
+      // We don't want to fire loadstart prematurely here and cause a
+      // double loadstart so we'll wait and see if it happens between now
+      // and the next loop, and fire it if not.
+      // HOWEVER, we also want to make sure it fires before loadedmetadata
+      // which could also happen between now and the next loop, so we'll
+      // watch for that also.
+      var loadstartFired = false;
+      var setLoadstartFired = function setLoadstartFired() {
+        loadstartFired = true;
+      };
+
+      this.on('loadstart', setLoadstartFired);
+
+      var triggerLoadstart = function triggerLoadstart() {
+        // We did miss the original loadstart. Make sure the player
+        // sees loadstart before loadedmetadata
+        if (!loadstartFired) {
+          this.trigger('loadstart');
+        }
+      };
+
+      this.on('loadedmetadata', triggerLoadstart);
+
+      this.ready(function () {
+        this.off('loadstart', setLoadstartFired);
+        this.off('loadedmetadata', triggerLoadstart);
+
+        if (!loadstartFired) {
+          // We did miss the original native loadstart. Fire it now.
+          this.trigger('loadstart');
+        }
+      });
+
+      return;
+    }
+
+    // From here on we know that loadstart already fired and we missed it.
+    // The other readyState events aren't as much of a problem if we double
+    // them, so not going to go to as much trouble as loadstart to prevent
+    // that unless we find reason to.
+    var eventsToTrigger = ['loadstart'];
+
+    // loadedmetadata: newly equal to HAVE_METADATA (1) or greater
+    eventsToTrigger.push('loadedmetadata');
+
+    // loadeddata: newly increased to HAVE_CURRENT_DATA (2) or greater
+    if (el.readyState >= 2) {
+      eventsToTrigger.push('loadeddata');
+    }
+
+    // canplay: newly increased to HAVE_FUTURE_DATA (3) or greater
+    if (el.readyState >= 3) {
+      eventsToTrigger.push('canplay');
+    }
+
+    // canplaythrough: newly equal to HAVE_ENOUGH_DATA (4)
+    if (el.readyState >= 4) {
+      eventsToTrigger.push('canplaythrough');
+    }
+
+    // We still need to give the player time to add event listeners
+    this.ready(function () {
+      eventsToTrigger.forEach(function (type) {
+        this.trigger(type);
+      }, this);
+    });
+  };
+
+  /**
+   * Set current time for the `HTML5` tech.
+   *
+   * @param {number} seconds
+   *        Set the current time of the media to this.
+   */
+
+
+  Html5.prototype.setCurrentTime = function setCurrentTime(seconds) {
+    try {
+      this.el_.currentTime = seconds;
+    } catch (e) {
+      log$1(e, 'Video is not ready. (Video.js)');
+      // this.warning(VideoJS.warnings.videoNotReady);
+    }
+  };
+
+  /**
+   * Get the current duration of the HTML5 media element.
+   *
+   * @return {number}
+   *         The duration of the media or 0 if there is no duration.
+   */
+
+
+  Html5.prototype.duration = function duration() {
+    var _this5 = this;
+
+    // Android Chrome will report duration as Infinity for VOD HLS until after
+    // playback has started, which triggers the live display erroneously.
+    // Return NaN if playback has not started and trigger a durationupdate once
+    // the duration can be reliably known.
+    if (this.el_.duration === Infinity && IS_ANDROID && IS_CHROME && this.el_.currentTime === 0) {
+      // Wait for the first `timeupdate` with currentTime > 0 - there may be
+      // several with 0
+      var checkProgress = function checkProgress() {
+        if (_this5.el_.currentTime > 0) {
+          // Trigger durationchange for genuinely live video
+          if (_this5.el_.duration === Infinity) {
+            _this5.trigger('durationchange');
+          }
+          _this5.off('timeupdate', checkProgress);
+        }
+      };
+
+      this.on('timeupdate', checkProgress);
+      return NaN;
+    }
+    return this.el_.duration || NaN;
+  };
+
+  /**
+   * Get the current width of the HTML5 media element.
+   *
+   * @return {number}
+   *         The width of the HTML5 media element.
+   */
+
+
+  Html5.prototype.width = function width() {
+    return this.el_.offsetWidth;
+  };
+
+  /**
+   * Get the current height of the HTML5 media element.
+   *
+   * @return {number}
+   *         The height of the HTML5 media element.
+   */
+
+
+  Html5.prototype.height = function height() {
+    return this.el_.offsetHeight;
+  };
+
+  /**
+   * Proxy iOS `webkitbeginfullscreen` and `webkitendfullscreen` into
+   * `fullscreenchange` event.
+   *
+   * @private
+   * @fires fullscreenchange
+   * @listens webkitendfullscreen
+   * @listens webkitbeginfullscreen
+   * @listens webkitbeginfullscreen
+   */
+
+
+  Html5.prototype.proxyWebkitFullscreen_ = function proxyWebkitFullscreen_() {
+    var _this6 = this;
+
+    if (!('webkitDisplayingFullscreen' in this.el_)) {
+      return;
+    }
+
+    var endFn = function endFn() {
+      this.trigger('fullscreenchange', { isFullscreen: false });
+    };
+
+    var beginFn = function beginFn() {
+      if ('webkitPresentationMode' in this.el_ && this.el_.webkitPresentationMode !== 'picture-in-picture') {
+        this.one('webkitendfullscreen', endFn);
+
+        this.trigger('fullscreenchange', { isFullscreen: true });
+      }
+    };
+
+    this.on('webkitbeginfullscreen', beginFn);
+    this.on('dispose', function () {
+      _this6.off('webkitbeginfullscreen', beginFn);
+      _this6.off('webkitendfullscreen', endFn);
+    });
+  };
+
+  /**
+   * Check if fullscreen is supported on the current playback device.
+   *
+   * @return {boolean}
+   *         - True if fullscreen is supported.
+   *         - False if fullscreen is not supported.
+   */
+
+
+  Html5.prototype.supportsFullScreen = function supportsFullScreen() {
+    if (typeof this.el_.webkitEnterFullScreen === 'function') {
+      var userAgent = window$1.navigator && window$1.navigator.userAgent || '';
+
+      // Seems to be broken in Chromium/Chrome && Safari in Leopard
+      if (/Android/.test(userAgent) || !/Chrome|Mac OS X 10.5/.test(userAgent)) {
+        return true;
+      }
+    }
+    return false;
+  };
+
+  /**
+   * Request that the `HTML5` Tech enter fullscreen.
+   */
+
+
+  Html5.prototype.enterFullScreen = function enterFullScreen() {
+    var video = this.el_;
+
+    if (video.paused && video.networkState <= video.HAVE_METADATA) {
+      // attempt to prime the video element for programmatic access
+      // this isn't necessary on the desktop but shouldn't hurt
+      this.el_.play();
+
+      // playing and pausing synchronously during the transition to fullscreen
+      // can get iOS ~6.1 devices into a play/pause loop
+      this.setTimeout(function () {
+        video.pause();
+        video.webkitEnterFullScreen();
+      }, 0);
+    } else {
+      video.webkitEnterFullScreen();
+    }
+  };
+
+  /**
+   * Request that the `HTML5` Tech exit fullscreen.
+   */
+
+
+  Html5.prototype.exitFullScreen = function exitFullScreen() {
+    this.el_.webkitExitFullScreen();
+  };
+
+  /**
+   * A getter/setter for the `Html5` Tech's source object.
+   * > Note: Please use {@link Html5#setSource}
+   *
+   * @param {Tech~SourceObject} [src]
+   *        The source object you want to set on the `HTML5` techs element.
+   *
+   * @return {Tech~SourceObject|undefined}
+   *         - The current source object when a source is not passed in.
+   *         - undefined when setting
+   *
+   * @deprecated Since version 5.
+   */
+
+
+  Html5.prototype.src = function src(_src) {
+    if (_src === undefined) {
+      return this.el_.src;
+    }
+
+    // Setting src through `src` instead of `setSrc` will be deprecated
+    this.setSrc(_src);
+  };
+
+  /**
+   * Reset the tech by removing all sources and then calling
+   * {@link Html5.resetMediaElement}.
+   */
+
+
+  Html5.prototype.reset = function reset() {
+    Html5.resetMediaElement(this.el_);
+  };
+
+  /**
+   * Get the current source on the `HTML5` Tech. Falls back to returning the source from
+   * the HTML5 media element.
+   *
+   * @return {Tech~SourceObject}
+   *         The current source object from the HTML5 tech. With a fallback to the
+   *         elements source.
+   */
+
+
+  Html5.prototype.currentSrc = function currentSrc() {
+    if (this.currentSource_) {
+      return this.currentSource_.src;
+    }
+    return this.el_.currentSrc;
+  };
+
+  /**
+   * Set controls attribute for the HTML5 media Element.
+   *
+   * @param {string} val
+   *        Value to set the controls attribute to
+   */
+
+
+  Html5.prototype.setControls = function setControls(val) {
+    this.el_.controls = !!val;
+  };
+
+  /**
+   * Create and returns a remote {@link TextTrack} object.
+   *
+   * @param {string} kind
+   *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
+   *
+   * @param {string} [label]
+   *        Label to identify the text track
+   *
+   * @param {string} [language]
+   *        Two letter language abbreviation
+   *
+   * @return {TextTrack}
+   *         The TextTrack that gets created.
+   */
+
+
+  Html5.prototype.addTextTrack = function addTextTrack(kind, label, language) {
+    if (!this.featuresNativeTextTracks) {
+      return _Tech.prototype.addTextTrack.call(this, kind, label, language);
+    }
+
+    return this.el_.addTextTrack(kind, label, language);
+  };
+
+  /**
+   * Creates either native TextTrack or an emulated TextTrack depending
+   * on the value of `featuresNativeTextTracks`
+   *
+   * @param {Object} options
+   *        The object should contain the options to initialize the TextTrack with.
+   *
+   * @param {string} [options.kind]
+   *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).
+   *
+   * @param {string} [options.label]
+   *        Label to identify the text track
+   *
+   * @param {string} [options.language]
+   *        Two letter language abbreviation.
+   *
+   * @param {boolean} [options.default]
+   *        Default this track to on.
+   *
+   * @param {string} [options.id]
+   *        The internal id to assign this track.
+   *
+   * @param {string} [options.src]
+   *        A source url for the track.
+   *
+   * @return {HTMLTrackElement}
+   *         The track element that gets created.
+   */
+
+
+  Html5.prototype.createRemoteTextTrack = function createRemoteTextTrack(options) {
+    if (!this.featuresNativeTextTracks) {
+      return _Tech.prototype.createRemoteTextTrack.call(this, options);
+    }
+    var htmlTrackElement = document.createElement('track');
+
+    if (options.kind) {
+      htmlTrackElement.kind = options.kind;
+    }
+    if (options.label) {
+      htmlTrackElement.label = options.label;
+    }
+    if (options.language || options.srclang) {
+      htmlTrackElement.srclang = options.language || options.srclang;
+    }
+    if (options.default) {
+      htmlTrackElement.default = options.default;
+    }
+    if (options.id) {
+      htmlTrackElement.id = options.id;
+    }
+    if (options.src) {
+      htmlTrackElement.src = options.src;
+    }
+
+    return htmlTrackElement;
+  };
+
+  /**
+   * Creates a remote text track object and returns an html track element.
+   *
+   * @param {Object} options The object should contain values for
+   * kind, language, label, and src (location of the WebVTT file)
+   * @param {Boolean} [manualCleanup=true] if set to false, the TextTrack will be
+   * automatically removed from the video element whenever the source changes
+   * @return {HTMLTrackElement} An Html Track Element.
+   * This can be an emulated {@link HTMLTrackElement} or a native one.
+   * @deprecated The default value of the "manualCleanup" parameter will default
+   * to "false" in upcoming versions of Video.js
+   */
+
+
+  Html5.prototype.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {
+    var htmlTrackElement = _Tech.prototype.addRemoteTextTrack.call(this, options, manualCleanup);
+
+    if (this.featuresNativeTextTracks) {
+      this.el().appendChild(htmlTrackElement);
+    }
+
+    return htmlTrackElement;
+  };
+
+  /**
+   * Remove remote `TextTrack` from `TextTrackList` object
+   *
+   * @param {TextTrack} track
+   *        `TextTrack` object to remove
+   */
+
+
+  Html5.prototype.removeRemoteTextTrack = function removeRemoteTextTrack(track) {
+    _Tech.prototype.removeRemoteTextTrack.call(this, track);
+
+    if (this.featuresNativeTextTracks) {
+      var tracks = this.$$('track');
+
+      var i = tracks.length;
+
+      while (i--) {
+        if (track === tracks[i] || track === tracks[i].track) {
+          this.el().removeChild(tracks[i]);
+        }
+      }
+    }
+  };
+
+  /**
+   * Gets available media playback quality metrics as specified by the W3C's Media
+   * Playback Quality API.
+   *
+   * @see [Spec]{@link https://wicg.github.io/media-playback-quality}
+   *
+   * @return {Object}
+   *         An object with supported media playback quality metrics
+   */
+
+
+  Html5.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() {
+    if (typeof this.el().getVideoPlaybackQuality === 'function') {
+      return this.el().getVideoPlaybackQuality();
+    }
+
+    var videoPlaybackQuality = {};
+
+    if (typeof this.el().webkitDroppedFrameCount !== 'undefined' && typeof this.el().webkitDecodedFrameCount !== 'undefined') {
+      videoPlaybackQuality.droppedVideoFrames = this.el().webkitDroppedFrameCount;
+      videoPlaybackQuality.totalVideoFrames = this.el().webkitDecodedFrameCount;
+    }
+
+    if (window$1.performance && typeof window$1.performance.now === 'function') {
+      videoPlaybackQuality.creationTime = window$1.performance.now();
+    } else if (window$1.performance && window$1.performance.timing && typeof window$1.performance.timing.navigationStart === 'number') {
+      videoPlaybackQuality.creationTime = window$1.Date.now() - window$1.performance.timing.navigationStart;
+    }
+
+    return videoPlaybackQuality;
+  };
+
+  return Html5;
+}(Tech);
+
+/* HTML5 Support Testing ---------------------------------------------------- */
+
+if (isReal()) {
+
+  /**
+   * Element for testing browser HTML5 media capabilities
+   *
+   * @type {Element}
+   * @constant
+   * @private
+   */
+  Html5.TEST_VID = document.createElement('video');
+  var track = document.createElement('track');
+
+  track.kind = 'captions';
+  track.srclang = 'en';
+  track.label = 'English';
+  Html5.TEST_VID.appendChild(track);
+}
+
+/**
+ * Check if HTML5 media is supported by this browser/device.
+ *
+ * @return {boolean}
+ *         - True if HTML5 media is supported.
+ *         - False if HTML5 media is not supported.
+ */
+Html5.isSupported = function () {
+  // IE with no Media Player is a LIAR! (#984)
+  try {
+    Html5.TEST_VID.volume = 0.5;
+  } catch (e) {
+    return false;
+  }
+
+  return !!(Html5.TEST_VID && Html5.TEST_VID.canPlayType);
+};
+
+/**
+ * Check if the tech can support the given type
+ *
+ * @param {string} type
+ *        The mimetype to check
+ * @return {string} 'probably', 'maybe', or '' (empty string)
+ */
+Html5.canPlayType = function (type) {
+  return Html5.TEST_VID.canPlayType(type);
+};
+
+/**
+ * Check if the tech can support the given source
+ * @param {Object} srcObj
+ *        The source object
+ * @param {Object} options
+ *        The options passed to the tech
+ * @return {string} 'probably', 'maybe', or '' (empty string)
+ */
+Html5.canPlaySource = function (srcObj, options) {
+  return Html5.canPlayType(srcObj.type);
+};
+
+/**
+ * Check if the volume can be changed in this browser/device.
+ * Volume cannot be changed in a lot of mobile devices.
+ * Specifically, it can't be changed from 1 on iOS.
+ *
+ * @return {boolean}
+ *         - True if volume can be controlled
+ *         - False otherwise
+ */
+Html5.canControlVolume = function () {
+  // IE will error if Windows Media Player not installed #3315
+  try {
+    var volume = Html5.TEST_VID.volume;
+
+    Html5.TEST_VID.volume = volume / 2 + 0.1;
+    return volume !== Html5.TEST_VID.volume;
+  } catch (e) {
+    return false;
+  }
+};
+
+/**
+ * Check if the volume can be muted in this browser/device.
+ * Some devices, e.g. iOS, don't allow changing volume
+ * but permits muting/unmuting.
+ *
+ * @return {bolean}
+ *      - True if volume can be muted
+ *      - False otherwise
+ */
+Html5.canMuteVolume = function () {
+  try {
+    var muted = Html5.TEST_VID.muted;
+
+    // in some versions of iOS muted property doesn't always
+    // work, so we want to set both property and attribute
+    Html5.TEST_VID.muted = !muted;
+    if (Html5.TEST_VID.muted) {
+      setAttribute(Html5.TEST_VID, 'muted', 'muted');
+    } else {
+      removeAttribute(Html5.TEST_VID, 'muted', 'muted');
+    }
+    return muted !== Html5.TEST_VID.muted;
+  } catch (e) {
+    return false;
+  }
+};
+
+/**
+ * Check if the playback rate can be changed in this browser/device.
+ *
+ * @return {boolean}
+ *         - True if playback rate can be controlled
+ *         - False otherwise
+ */
+Html5.canControlPlaybackRate = function () {
+  // Playback rate API is implemented in Android Chrome, but doesn't do anything
+  // https://github.com/videojs/video.js/issues/3180
+  if (IS_ANDROID && IS_CHROME && CHROME_VERSION < 58) {
+    return false;
+  }
+  // IE will error if Windows Media Player not installed #3315
+  try {
+    var playbackRate = Html5.TEST_VID.playbackRate;
+
+    Html5.TEST_VID.playbackRate = playbackRate / 2 + 0.1;
+    return playbackRate !== Html5.TEST_VID.playbackRate;
+  } catch (e) {
+    return false;
+  }
+};
+
+/**
+ * Check if we can override a video/audio elements attributes, with
+ * Object.defineProperty.
+ *
+ * @return {boolean}
+ *         - True if builtin attributes can be overridden
+ *         - False otherwise
+ */
+Html5.canOverrideAttributes = function () {
+  // if we cannot overwrite the src/innerHTML property, there is no support
+  // iOS 7 safari for instance cannot do this.
+  try {
+    var noop = function noop() {};
+
+    Object.defineProperty(document.createElement('video'), 'src', { get: noop, set: noop });
+    Object.defineProperty(document.createElement('audio'), 'src', { get: noop, set: noop });
+    Object.defineProperty(document.createElement('video'), 'innerHTML', { get: noop, set: noop });
+    Object.defineProperty(document.createElement('audio'), 'innerHTML', { get: noop, set: noop });
+  } catch (e) {
+    return false;
+  }
+
+  return true;
+};
+
+/**
+ * Check to see if native `TextTrack`s are supported by this browser/device.
+ *
+ * @return {boolean}
+ *         - True if native `TextTrack`s are supported.
+ *         - False otherwise
+ */
+Html5.supportsNativeTextTracks = function () {
+  return IS_ANY_SAFARI || IS_IOS && IS_CHROME;
+};
+
+/**
+ * Check to see if native `VideoTrack`s are supported by this browser/device
+ *
+ * @return {boolean}
+ *        - True if native `VideoTrack`s are supported.
+ *        - False otherwise
+ */
+Html5.supportsNativeVideoTracks = function () {
+  return !!(Html5.TEST_VID && Html5.TEST_VID.videoTracks);
+};
+
+/**
+ * Check to see if native `AudioTrack`s are supported by this browser/device
+ *
+ * @return {boolean}
+ *        - True if native `AudioTrack`s are supported.
+ *        - False otherwise
+ */
+Html5.supportsNativeAudioTracks = function () {
+  return !!(Html5.TEST_VID && Html5.TEST_VID.audioTracks);
+};
+
+/**
+ * An array of events available on the Html5 tech.
+ *
+ * @private
+ * @type {Array}
+ */
+Html5.Events = ['loadstart', 'suspend', 'abort', 'error', 'emptied', 'stalled', 'loadedmetadata', 'loadeddata', 'canplay', 'canplaythrough', 'playing', 'waiting', 'seeking', 'seeked', 'ended', 'durationchange', 'timeupdate', 'progress', 'play', 'pause', 'ratechange', 'resize', 'volumechange'];
+
+/**
+ * Boolean indicating whether the `Tech` supports volume control.
+ *
+ * @type {boolean}
+ * @default {@link Html5.canControlVolume}
+ */
+Html5.prototype.featuresVolumeControl = Html5.canControlVolume();
+
+/**
+ * Boolean indicating whether the `Tech` supports muting volume.
+ *
+ * @type {bolean}
+ * @default {@link Html5.canMuteVolume}
+ */
+Html5.prototype.featuresMuteControl = Html5.canMuteVolume();
+
+/**
+ * Boolean indicating whether the `Tech` supports changing the speed at which the media
+ * plays. Examples:
+ *   - Set player to play 2x (twice) as fast
+ *   - Set player to play 0.5x (half) as fast
+ *
+ * @type {boolean}
+ * @default {@link Html5.canControlPlaybackRate}
+ */
+Html5.prototype.featuresPlaybackRate = Html5.canControlPlaybackRate();
+
+/**
+ * Boolean indicating whether the `Tech` supports the `sourceset` event.
+ *
+ * @type {boolean}
+ * @default
+ */
+Html5.prototype.featuresSourceset = Html5.canOverrideAttributes();
+
+/**
+ * Boolean indicating whether the `HTML5` tech currently supports the media element
+ * moving in the DOM. iOS breaks if you move the media element, so this is set this to
+ * false there. Everywhere else this should be true.
+ *
+ * @type {boolean}
+ * @default
+ */
+Html5.prototype.movingMediaElementInDOM = !IS_IOS;
+
+// TODO: Previous comment: No longer appears to be used. Can probably be removed.
+//       Is this true?
+/**
+ * Boolean indicating whether the `HTML5` tech currently supports automatic media resize
+ * when going into fullscreen.
+ *
+ * @type {boolean}
+ * @default
+ */
+Html5.prototype.featuresFullscreenResize = true;
+
+/**
+ * Boolean indicating whether the `HTML5` tech currently supports the progress event.
+ * If this is false, manual `progress` events will be triggered instead.
+ *
+ * @type {boolean}
+ * @default
+ */
+Html5.prototype.featuresProgressEvents = true;
+
+/**
+ * Boolean indicating whether the `HTML5` tech currently supports the timeupdate event.
+ * If this is false, manual `timeupdate` events will be triggered instead.
+ *
+ * @default
+ */
+Html5.prototype.featuresTimeupdateEvents = true;
+
+/**
+ * Boolean indicating whether the `HTML5` tech currently supports native `TextTrack`s.
+ *
+ * @type {boolean}
+ * @default {@link Html5.supportsNativeTextTracks}
+ */
+Html5.prototype.featuresNativeTextTracks = Html5.supportsNativeTextTracks();
+
+/**
+ * Boolean indicating whether the `HTML5` tech currently supports native `VideoTrack`s.
+ *
+ * @type {boolean}
+ * @default {@link Html5.supportsNativeVideoTracks}
+ */
+Html5.prototype.featuresNativeVideoTracks = Html5.supportsNativeVideoTracks();
+
+/**
+ * Boolean indicating whether the `HTML5` tech currently supports native `AudioTrack`s.
+ *
+ * @type {boolean}
+ * @default {@link Html5.supportsNativeAudioTracks}
+ */
+Html5.prototype.featuresNativeAudioTracks = Html5.supportsNativeAudioTracks();
+
+// HTML5 Feature detection and Device Fixes --------------------------------- //
+var canPlayType = Html5.TEST_VID && Html5.TEST_VID.constructor.prototype.canPlayType;
+var mpegurlRE = /^application\/(?:x-|vnd\.apple\.)mpegurl/i;
+
+Html5.patchCanPlayType = function () {
+
+  // Android 4.0 and above can play HLS to some extent but it reports being unable to do so
+  // Firefox and Chrome report correctly
+  if (ANDROID_VERSION >= 4.0 && !IS_FIREFOX && !IS_CHROME) {
+    Html5.TEST_VID.constructor.prototype.canPlayType = function (type) {
+      if (type && mpegurlRE.test(type)) {
+        return 'maybe';
+      }
+      return canPlayType.call(this, type);
+    };
+  }
+};
+
+Html5.unpatchCanPlayType = function () {
+  var r = Html5.TEST_VID.constructor.prototype.canPlayType;
+
+  Html5.TEST_VID.constructor.prototype.canPlayType = canPlayType;
+  return r;
+};
+
+// by default, patch the media element
+Html5.patchCanPlayType();
+
+Html5.disposeMediaElement = function (el) {
+  if (!el) {
+    return;
+  }
+
+  if (el.parentNode) {
+    el.parentNode.removeChild(el);
+  }
+
+  // remove any child track or source nodes to prevent their loading
+  while (el.hasChildNodes()) {
+    el.removeChild(el.firstChild);
+  }
+
+  // remove any src reference. not setting `src=''` because that causes a warning
+  // in firefox
+  el.removeAttribute('src');
+
+  // force the media element to update its loading state by calling load()
+  // however IE on Windows 7N has a bug that throws an error so need a try/catch (#793)
+  if (typeof el.load === 'function') {
+    // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)
+    (function () {
+      try {
+        el.load();
+      } catch (e) {
+        // not supported
+      }
+    })();
+  }
+};
+
+Html5.resetMediaElement = function (el) {
+  if (!el) {
+    return;
+  }
+
+  var sources = el.querySelectorAll('source');
+  var i = sources.length;
+
+  while (i--) {
+    el.removeChild(sources[i]);
+  }
+
+  // remove any src reference.
+  // not setting `src=''` because that throws an error
+  el.removeAttribute('src');
+
+  if (typeof el.load === 'function') {
+    // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)
+    (function () {
+      try {
+        el.load();
+      } catch (e) {
+        // satisfy linter
+      }
+    })();
+  }
+};
+
+/* Native HTML5 element property wrapping ----------------------------------- */
+// Wrap native boolean attributes with getters that check both property and attribute
+// The list is as followed:
+// muted, defaultMuted, autoplay, controls, loop, playsinline
+[
+/**
+ * Get the value of `muted` from the media element. `muted` indicates
+ * that the volume for the media should be set to silent. This does not actually change
+ * the `volume` attribute.
+ *
+ * @method Html5#muted
+ * @return {boolean}
+ *         - True if the value of `volume` should be ignored and the audio set to silent.
+ *         - False if the value of `volume` should be used.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}
+ */
+'muted',
+
+/**
+ * Get the value of `defaultMuted` from the media element. `defaultMuted` indicates
+ * whether the media should start muted or not. Only changes the default state of the
+ * media. `muted` and `defaultMuted` can have different values. {@link Html5#muted} indicates the
+ * current state.
+ *
+ * @method Html5#defaultMuted
+ * @return {boolean}
+ *         - The value of `defaultMuted` from the media element.
+ *         - True indicates that the media should start muted.
+ *         - False indicates that the media should not start muted
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}
+ */
+'defaultMuted',
+
+/**
+ * Get the value of `autoplay` from the media element. `autoplay` indicates
+ * that the media should start to play as soon as the page is ready.
+ *
+ * @method Html5#autoplay
+ * @return {boolean}
+ *         - The value of `autoplay` from the media element.
+ *         - True indicates that the media should start as soon as the page loads.
+ *         - False indicates that the media should not start as soon as the page loads.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}
+ */
+'autoplay',
+
+/**
+ * Get the value of `controls` from the media element. `controls` indicates
+ * whether the native media controls should be shown or hidden.
+ *
+ * @method Html5#controls
+ * @return {boolean}
+ *         - The value of `controls` from the media element.
+ *         - True indicates that native controls should be showing.
+ *         - False indicates that native controls should be hidden.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-controls}
+ */
+'controls',
+
+/**
+ * Get the value of `loop` from the media element. `loop` indicates
+ * that the media should return to the start of the media and continue playing once
+ * it reaches the end.
+ *
+ * @method Html5#loop
+ * @return {boolean}
+ *         - The value of `loop` from the media element.
+ *         - True indicates that playback should seek back to start once
+ *           the end of a media is reached.
+ *         - False indicates that playback should not loop back to the start when the
+ *           end of the media is reached.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}
+ */
+'loop',
+
+/**
+ * Get the value of `playsinline` from the media element. `playsinline` indicates
+ * to the browser that non-fullscreen playback is preferred when fullscreen
+ * playback is the native default, such as in iOS Safari.
+ *
+ * @method Html5#playsinline
+ * @return {boolean}
+ *         - The value of `playsinline` from the media element.
+ *         - True indicates that the media should play inline.
+ *         - False indicates that the media should not play inline.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
+ */
+'playsinline'].forEach(function (prop) {
+  Html5.prototype[prop] = function () {
+    return this.el_[prop] || this.el_.hasAttribute(prop);
+  };
+});
+
+// Wrap native boolean attributes with setters that set both property and attribute
+// The list is as followed:
+// setMuted, setDefaultMuted, setAutoplay, setLoop, setPlaysinline
+// setControls is special-cased above
+[
+/**
+ * Set the value of `muted` on the media element. `muted` indicates that the current
+ * audio level should be silent.
+ *
+ * @method Html5#setMuted
+ * @param {boolean} muted
+ *        - True if the audio should be set to silent
+ *        - False otherwise
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}
+ */
+'muted',
+
+/**
+ * Set the value of `defaultMuted` on the media element. `defaultMuted` indicates that the current
+ * audio level should be silent, but will only effect the muted level on intial playback..
+ *
+ * @method Html5.prototype.setDefaultMuted
+ * @param {boolean} defaultMuted
+ *        - True if the audio should be set to silent
+ *        - False otherwise
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}
+ */
+'defaultMuted',
+
+/**
+ * Set the value of `autoplay` on the media element. `autoplay` indicates
+ * that the media should start to play as soon as the page is ready.
+ *
+ * @method Html5#setAutoplay
+ * @param {boolean} autoplay
+ *         - True indicates that the media should start as soon as the page loads.
+ *         - False indicates that the media should not start as soon as the page loads.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}
+ */
+'autoplay',
+
+/**
+ * Set the value of `loop` on the media element. `loop` indicates
+ * that the media should return to the start of the media and continue playing once
+ * it reaches the end.
+ *
+ * @method Html5#setLoop
+ * @param {boolean} loop
+ *         - True indicates that playback should seek back to start once
+ *           the end of a media is reached.
+ *         - False indicates that playback should not loop back to the start when the
+ *           end of the media is reached.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}
+ */
+'loop',
+
+/**
+ * Set the value of `playsinline` from the media element. `playsinline` indicates
+ * to the browser that non-fullscreen playback is preferred when fullscreen
+ * playback is the native default, such as in iOS Safari.
+ *
+ * @method Html5#setPlaysinline
+ * @param {boolean} playsinline
+ *         - True indicates that the media should play inline.
+ *         - False indicates that the media should not play inline.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
+ */
+'playsinline'].forEach(function (prop) {
+  Html5.prototype['set' + toTitleCase(prop)] = function (v) {
+    this.el_[prop] = v;
+
+    if (v) {
+      this.el_.setAttribute(prop, prop);
+    } else {
+      this.el_.removeAttribute(prop);
+    }
+  };
+});
+
+// Wrap native properties with a getter
+// The list is as followed
+// paused, currentTime, buffered, volume, poster, preload, error, seeking
+// seekable, ended, playbackRate, defaultPlaybackRate, played, networkState
+// readyState, videoWidth, videoHeight
+[
+/**
+ * Get the value of `paused` from the media element. `paused` indicates whether the media element
+ * is currently paused or not.
+ *
+ * @method Html5#paused
+ * @return {boolean}
+ *         The value of `paused` from the media element.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-paused}
+ */
+'paused',
+
+/**
+ * Get the value of `currentTime` from the media element. `currentTime` indicates
+ * the current second that the media is at in playback.
+ *
+ * @method Html5#currentTime
+ * @return {number}
+ *         The value of `currentTime` from the media element.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-currenttime}
+ */
+'currentTime',
+
+/**
+ * Get the value of `buffered` from the media element. `buffered` is a `TimeRange`
+ * object that represents the parts of the media that are already downloaded and
+ * available for playback.
+ *
+ * @method Html5#buffered
+ * @return {TimeRange}
+ *         The value of `buffered` from the media element.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-buffered}
+ */
+'buffered',
+
+/**
+ * Get the value of `volume` from the media element. `volume` indicates
+ * the current playback volume of audio for a media. `volume` will be a value from 0
+ * (silent) to 1 (loudest and default).
+ *
+ * @method Html5#volume
+ * @return {number}
+ *         The value of `volume` from the media element. Value will be between 0-1.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}
+ */
+'volume',
+
+/**
+ * Get the value of `poster` from the media element. `poster` indicates
+ * that the url of an image file that can/will be shown when no media data is available.
+ *
+ * @method Html5#poster
+ * @return {string}
+ *         The value of `poster` from the media element. Value will be a url to an
+ *         image.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-video-poster}
+ */
+'poster',
+
+/**
+ * Get the value of `preload` from the media element. `preload` indicates
+ * what should download before the media is interacted with. It can have the following
+ * values:
+ * - none: nothing should be downloaded
+ * - metadata: poster and the first few frames of the media may be downloaded to get
+ *   media dimensions and other metadata
+ * - auto: allow the media and metadata for the media to be downloaded before
+ *    interaction
+ *
+ * @method Html5#preload
+ * @return {string}
+ *         The value of `preload` from the media element. Will be 'none', 'metadata',
+ *         or 'auto'.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}
+ */
+'preload',
+
+/**
+ * Get the value of the `error` from the media element. `error` indicates any
+ * MediaError that may have occurred during playback. If error returns null there is no
+ * current error.
+ *
+ * @method Html5#error
+ * @return {MediaError|null}
+ *         The value of `error` from the media element. Will be `MediaError` if there
+ *         is a current error and null otherwise.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-error}
+ */
+'error',
+
+/**
+ * Get the value of `seeking` from the media element. `seeking` indicates whether the
+ * media is currently seeking to a new position or not.
+ *
+ * @method Html5#seeking
+ * @return {boolean}
+ *         - The value of `seeking` from the media element.
+ *         - True indicates that the media is currently seeking to a new position.
+ *         - False indicates that the media is not seeking to a new position at this time.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seeking}
+ */
+'seeking',
+
+/**
+ * Get the value of `seekable` from the media element. `seekable` returns a
+ * `TimeRange` object indicating ranges of time that can currently be `seeked` to.
+ *
+ * @method Html5#seekable
+ * @return {TimeRange}
+ *         The value of `seekable` from the media element. A `TimeRange` object
+ *         indicating the current ranges of time that can be seeked to.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seekable}
+ */
+'seekable',
+
+/**
+ * Get the value of `ended` from the media element. `ended` indicates whether
+ * the media has reached the end or not.
+ *
+ * @method Html5#ended
+ * @return {boolean}
+ *         - The value of `ended` from the media element.
+ *         - True indicates that the media has ended.
+ *         - False indicates that the media has not ended.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-ended}
+ */
+'ended',
+
+/**
+ * Get the value of `playbackRate` from the media element. `playbackRate` indicates
+ * the rate at which the media is currently playing back. Examples:
+ *   - if playbackRate is set to 2, media will play twice as fast.
+ *   - if playbackRate is set to 0.5, media will play half as fast.
+ *
+ * @method Html5#playbackRate
+ * @return {number}
+ *         The value of `playbackRate` from the media element. A number indicating
+ *         the current playback speed of the media, where 1 is normal speed.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
+ */
+'playbackRate',
+
+/**
+ * Get the value of `defaultPlaybackRate` from the media element. `defaultPlaybackRate` indicates
+ * the rate at which the media is currently playing back. This value will not indicate the current
+ * `playbackRate` after playback has started, use {@link Html5#playbackRate} for that.
+ *
+ * Examples:
+ *   - if defaultPlaybackRate is set to 2, media will play twice as fast.
+ *   - if defaultPlaybackRate is set to 0.5, media will play half as fast.
+ *
+ * @method Html5.prototype.defaultPlaybackRate
+ * @return {number}
+ *         The value of `defaultPlaybackRate` from the media element. A number indicating
+ *         the current playback speed of the media, where 1 is normal speed.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
+ */
+'defaultPlaybackRate',
+
+/**
+ * Get the value of `played` from the media element. `played` returns a `TimeRange`
+ * object representing points in the media timeline that have been played.
+ *
+ * @method Html5#played
+ * @return {TimeRange}
+ *         The value of `played` from the media element. A `TimeRange` object indicating
+ *         the ranges of time that have been played.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-played}
+ */
+'played',
+
+/**
+ * Get the value of `networkState` from the media element. `networkState` indicates
+ * the current network state. It returns an enumeration from the following list:
+ * - 0: NETWORK_EMPTY
+ * - 1: NETWORK_IDLE
+ * - 2: NETWORK_LOADING
+ * - 3: NETWORK_NO_SOURCE
+ *
+ * @method Html5#networkState
+ * @return {number}
+ *         The value of `networkState` from the media element. This will be a number
+ *         from the list in the description.
+ *
+ * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-networkstate}
+ */
+'networkState',
+
+/**
+ * Get the value of `readyState` from the media element. `readyState` indicates
+ * the current state of the media element. It returns an enumeration from the
+ * following list:
+ * - 0: HAVE_NOTHING
+ * - 1: HAVE_METADATA
+ * - 2: HAVE_CURRENT_DATA
+ * - 3: HAVE_FUTURE_DATA
+ * - 4: HAVE_ENOUGH_DATA
+ *
+ * @method Html5#readyState
+ * @return {number}
+ *         The value of `readyState` from the media element. This will be a number
+ *         from the list in the description.
+ *
+ * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#ready-states}
+ */
+'readyState',
+
+/**
+ * Get the value of `videoWidth` from the video element. `videoWidth` indicates
+ * the current width of the video in css pixels.
+ *
+ * @method Html5#videoWidth
+ * @return {number}
+ *         The value of `videoWidth` from the video element. This will be a number
+ *         in css pixels.
+ *
+ * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}
+ */
+'videoWidth',
+
+/**
+ * Get the value of `videoHeight` from the video element. `videoHeight` indicates
+ * the current height of the video in css pixels.
+ *
+ * @method Html5#videoHeight
+ * @return {number}
+ *         The value of `videoHeight` from the video element. This will be a number
+ *         in css pixels.
+ *
+ * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}
+ */
+'videoHeight'].forEach(function (prop) {
+  Html5.prototype[prop] = function () {
+    return this.el_[prop];
+  };
+});
+
+// Wrap native properties with a setter in this format:
+// set + toTitleCase(name)
+// The list is as follows:
+// setVolume, setSrc, setPoster, setPreload, setPlaybackRate, setDefaultPlaybackRate
+[
+/**
+ * Set the value of `volume` on the media element. `volume` indicates the current
+ * audio level as a percentage in decimal form. This means that 1 is 100%, 0.5 is 50%, and
+ * so on.
+ *
+ * @method Html5#setVolume
+ * @param {number} percentAsDecimal
+ *        The volume percent as a decimal. Valid range is from 0-1.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}
+ */
+'volume',
+
+/**
+ * Set the value of `src` on the media element. `src` indicates the current
+ * {@link Tech~SourceObject} for the media.
+ *
+ * @method Html5#setSrc
+ * @param {Tech~SourceObject} src
+ *        The source object to set as the current source.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-src}
+ */
+'src',
+
+/**
+ * Set the value of `poster` on the media element. `poster` is the url to
+ * an image file that can/will be shown when no media data is available.
+ *
+ * @method Html5#setPoster
+ * @param {string} poster
+ *        The url to an image that should be used as the `poster` for the media
+ *        element.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-poster}
+ */
+'poster',
+
+/**
+ * Set the value of `preload` on the media element. `preload` indicates
+ * what should download before the media is interacted with. It can have the following
+ * values:
+ * - none: nothing should be downloaded
+ * - metadata: poster and the first few frames of the media may be downloaded to get
+ *   media dimensions and other metadata
+ * - auto: allow the media and metadata for the media to be downloaded before
+ *    interaction
+ *
+ * @method Html5#setPreload
+ * @param {string} preload
+ *         The value of `preload` to set on the media element. Must be 'none', 'metadata',
+ *         or 'auto'.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}
+ */
+'preload',
+
+/**
+ * Set the value of `playbackRate` on the media element. `playbackRate` indicates
+ * the rate at which the media should play back. Examples:
+ *   - if playbackRate is set to 2, media will play twice as fast.
+ *   - if playbackRate is set to 0.5, media will play half as fast.
+ *
+ * @method Html5#setPlaybackRate
+ * @return {number}
+ *         The value of `playbackRate` from the media element. A number indicating
+ *         the current playback speed of the media, where 1 is normal speed.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
+ */
+'playbackRate',
+
+/**
+ * Set the value of `defaultPlaybackRate` on the media element. `defaultPlaybackRate` indicates
+ * the rate at which the media should play back upon initial startup. Changing this value
+ * after a video has started will do nothing. Instead you should used {@link Html5#setPlaybackRate}.
+ *
+ * Example Values:
+ *   - if playbackRate is set to 2, media will play twice as fast.
+ *   - if playbackRate is set to 0.5, media will play half as fast.
+ *
+ * @method Html5.prototype.setDefaultPlaybackRate
+ * @return {number}
+ *         The value of `defaultPlaybackRate` from the media element. A number indicating
+ *         the current playback speed of the media, where 1 is normal speed.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultplaybackrate}
+ */
+'defaultPlaybackRate'].forEach(function (prop) {
+  Html5.prototype['set' + toTitleCase(prop)] = function (v) {
+    this.el_[prop] = v;
+  };
+});
+
+// wrap native functions with a function
+// The list is as follows:
+// pause, load, play
+[
+/**
+ * A wrapper around the media elements `pause` function. This will call the `HTML5`
+ * media elements `pause` function.
+ *
+ * @method Html5#pause
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-pause}
+ */
+'pause',
+
+/**
+ * A wrapper around the media elements `load` function. This will call the `HTML5`s
+ * media element `load` function.
+ *
+ * @method Html5#load
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-load}
+ */
+'load',
+
+/**
+ * A wrapper around the media elements `play` function. This will call the `HTML5`s
+ * media element `play` function.
+ *
+ * @method Html5#play
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-play}
+ */
+'play'].forEach(function (prop) {
+  Html5.prototype[prop] = function () {
+    return this.el_[prop]();
+  };
+});
+
+Tech.withSourceHandlers(Html5);
+
+/**
+ * Native source handler for Html5, simply passes the source to the media element.
+ *
+ * @property {Tech~SourceObject} source
+ *        The source object
+ *
+ * @property {Html5} tech
+ *        The instance of the HTML5 tech.
+ */
+Html5.nativeSourceHandler = {};
+
+/**
+ * Check if the media element can play the given mime type.
+ *
+ * @param {string} type
+ *        The mimetype to check
+ *
+ * @return {string}
+ *         'probably', 'maybe', or '' (empty string)
+ */
+Html5.nativeSourceHandler.canPlayType = function (type) {
+  // IE without MediaPlayer throws an error (#519)
+  try {
+    return Html5.TEST_VID.canPlayType(type);
+  } catch (e) {
+    return '';
+  }
+};
+
+/**
+ * Check if the media element can handle a source natively.
+ *
+ * @param {Tech~SourceObject} source
+ *         The source object
+ *
+ * @param {Object} [options]
+ *         Options to be passed to the tech.
+ *
+ * @return {string}
+ *         'probably', 'maybe', or '' (empty string).
+ */
+Html5.nativeSourceHandler.canHandleSource = function (source, options) {
+
+  // If a type was provided we should rely on that
+  if (source.type) {
+    return Html5.nativeSourceHandler.canPlayType(source.type);
+
+    // If no type, fall back to checking 'video/[EXTENSION]'
+  } else if (source.src) {
+    var ext = getFileExtension(source.src);
+
+    return Html5.nativeSourceHandler.canPlayType('video/' + ext);
+  }
+
+  return '';
+};
+
+/**
+ * Pass the source to the native media element.
+ *
+ * @param {Tech~SourceObject} source
+ *        The source object
+ *
+ * @param {Html5} tech
+ *        The instance of the Html5 tech
+ *
+ * @param {Object} [options]
+ *        The options to pass to the source
+ */
+Html5.nativeSourceHandler.handleSource = function (source, tech, options) {
+  tech.setSrc(source.src);
+};
+
+/**
+ * A noop for the native dispose function, as cleanup is not needed.
+ */
+Html5.nativeSourceHandler.dispose = function () {};
+
+// Register the native source handler
+Html5.registerSourceHandler(Html5.nativeSourceHandler);
+
+Tech.registerTech('Html5', Html5);
+
+var _templateObject$2 = taggedTemplateLiteralLoose(['\n        Using the tech directly can be dangerous. I hope you know what you\'re doing.\n        See https://github.com/videojs/video.js/issues/2617 for more info.\n      '], ['\n        Using the tech directly can be dangerous. I hope you know what you\'re doing.\n        See https://github.com/videojs/video.js/issues/2617 for more info.\n      ']);
+
+// The following tech events are simply re-triggered
+// on the player when they happen
+var TECH_EVENTS_RETRIGGER = [
+/**
+ * Fired while the user agent is downloading media data.
+ *
+ * @event Player#progress
+ * @type {EventTarget~Event}
+ */
+/**
+ * Retrigger the `progress` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechProgress_
+ * @fires Player#progress
+ * @listens Tech#progress
+ */
+'progress',
+
+/**
+ * Fires when the loading of an audio/video is aborted.
+ *
+ * @event Player#abort
+ * @type {EventTarget~Event}
+ */
+/**
+ * Retrigger the `abort` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechAbort_
+ * @fires Player#abort
+ * @listens Tech#abort
+ */
+'abort',
+
+/**
+ * Fires when the browser is intentionally not getting media data.
+ *
+ * @event Player#suspend
+ * @type {EventTarget~Event}
+ */
+/**
+ * Retrigger the `suspend` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechSuspend_
+ * @fires Player#suspend
+ * @listens Tech#suspend
+ */
+'suspend',
+
+/**
+ * Fires when the current playlist is empty.
+ *
+ * @event Player#emptied
+ * @type {EventTarget~Event}
+ */
+/**
+ * Retrigger the `emptied` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechEmptied_
+ * @fires Player#emptied
+ * @listens Tech#emptied
+ */
+'emptied',
+/**
+ * Fires when the browser is trying to get media data, but data is not available.
+ *
+ * @event Player#stalled
+ * @type {EventTarget~Event}
+ */
+/**
+ * Retrigger the `stalled` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechStalled_
+ * @fires Player#stalled
+ * @listens Tech#stalled
+ */
+'stalled',
+
+/**
+ * Fires when the browser has loaded meta data for the audio/video.
+ *
+ * @event Player#loadedmetadata
+ * @type {EventTarget~Event}
+ */
+/**
+ * Retrigger the `stalled` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechLoadedmetadata_
+ * @fires Player#loadedmetadata
+ * @listens Tech#loadedmetadata
+ */
+'loadedmetadata',
+
+/**
+ * Fires when the browser has loaded the current frame of the audio/video.
+ *
+ * @event Player#loadeddata
+ * @type {event}
+ */
+/**
+ * Retrigger the `loadeddata` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechLoaddeddata_
+ * @fires Player#loadeddata
+ * @listens Tech#loadeddata
+ */
+'loadeddata',
+
+/**
+ * Fires when the current playback position has changed.
+ *
+ * @event Player#timeupdate
+ * @type {event}
+ */
+/**
+ * Retrigger the `timeupdate` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechTimeUpdate_
+ * @fires Player#timeupdate
+ * @listens Tech#timeupdate
+ */
+'timeupdate',
+
+/**
+ * Fires when the video's intrinsic dimensions change
+ *
+ * @event Player#resize
+ * @type {event}
+ */
+/**
+ * Retrigger the `resize` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechResize_
+ * @fires Player#resize
+ * @listens Tech#resize
+ */
+'resize',
+
+/**
+ * Fires when the volume has been changed
+ *
+ * @event Player#volumechange
+ * @type {event}
+ */
+/**
+ * Retrigger the `volumechange` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechVolumechange_
+ * @fires Player#volumechange
+ * @listens Tech#volumechange
+ */
+'volumechange',
+
+/**
+ * Fires when the text track has been changed
+ *
+ * @event Player#texttrackchange
+ * @type {event}
+ */
+/**
+ * Retrigger the `texttrackchange` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechTexttrackchange_
+ * @fires Player#texttrackchange
+ * @listens Tech#texttrackchange
+ */
+'texttrackchange'];
+
+// events to queue when playback rate is zero
+// this is a hash for the sole purpose of mapping non-camel-cased event names
+// to camel-cased function names
+var TECH_EVENTS_QUEUE = {
+  canplay: 'CanPlay',
+  canplaythrough: 'CanPlayThrough',
+  playing: 'Playing',
+  seeked: 'Seeked'
+};
+
+/**
+ * An instance of the `Player` class is created when any of the Video.js setup methods
+ * are used to initialize a video.
+ *
+ * After an instance has been created it can be accessed globally in two ways:
+ * 1. By calling `videojs('example_video_1');`
+ * 2. By using it directly via  `videojs.players.example_video_1;`
+ *
+ * @extends Component
+ */
+
+var Player = function (_Component) {
+  inherits(Player, _Component);
+
+  /**
+   * Create an instance of this class.
+   *
+   * @param {Element} tag
+   *        The original video DOM element used for configuring options.
+   *
+   * @param {Object} [options]
+   *        Object of option names and values.
+   *
+   * @param {Component~ReadyCallback} [ready]
+   *        Ready callback function.
+   */
+  function Player(tag, options, ready) {
+    classCallCheck(this, Player);
+
+    // Make sure tag ID exists
+    tag.id = tag.id || options.id || 'vjs_video_' + newGUID();
+
+    // Set Options
+    // The options argument overrides options set in the video tag
+    // which overrides globally set options.
+    // This latter part coincides with the load order
+    // (tag must exist before Player)
+    options = assign(Player.getTagSettings(tag), options);
+
+    // Delay the initialization of children because we need to set up
+    // player properties first, and can't use `this` before `super()`
+    options.initChildren = false;
+
+    // Same with creating the element
+    options.createEl = false;
+
+    // don't auto mixin the evented mixin
+    options.evented = false;
+
+    // we don't want the player to report touch activity on itself
+    // see enableTouchActivity in Component
+    options.reportTouchActivity = false;
+
+    // If language is not set, get the closest lang attribute
+    if (!options.language) {
+      if (typeof tag.closest === 'function') {
+        var closest = tag.closest('[lang]');
+
+        if (closest && closest.getAttribute) {
+          options.language = closest.getAttribute('lang');
+        }
+      } else {
+        var element = tag;
+
+        while (element && element.nodeType === 1) {
+          if (getAttributes(element).hasOwnProperty('lang')) {
+            options.language = element.getAttribute('lang');
+            break;
+          }
+          element = element.parentNode;
+        }
+      }
+    }
+
+    // Run base component initializing with new options
+
+    // Tracks when a tech changes the poster
+    var _this = possibleConstructorReturn(this, _Component.call(this, null, options, ready));
+
+    _this.isPosterFromTech_ = false;
+
+    // Holds callback info that gets queued when playback rate is zero
+    // and a seek is happening
+    _this.queuedCallbacks_ = [];
+
+    // Turn off API access because we're loading a new tech that might load asynchronously
+    _this.isReady_ = false;
+
+    // Init state hasStarted_
+    _this.hasStarted_ = false;
+
+    // Init state userActive_
+    _this.userActive_ = false;
+
+    // if the global option object was accidentally blown away by
+    // someone, bail early with an informative error
+    if (!_this.options_ || !_this.options_.techOrder || !_this.options_.techOrder.length) {
+      throw new Error('No techOrder specified. Did you overwrite ' + 'videojs.options instead of just changing the ' + 'properties you want to override?');
+    }
+
+    // Store the original tag used to set options
+    _this.tag = tag;
+
+    // Store the tag attributes used to restore html5 element
+    _this.tagAttributes = tag && getAttributes(tag);
+
+    // Update current language
+    _this.language(_this.options_.language);
+
+    // Update Supported Languages
+    if (options.languages) {
+      // Normalise player option languages to lowercase
+      var languagesToLower = {};
+
+      Object.getOwnPropertyNames(options.languages).forEach(function (name$$1) {
+        languagesToLower[name$$1.toLowerCase()] = options.languages[name$$1];
+      });
+      _this.languages_ = languagesToLower;
+    } else {
+      _this.languages_ = Player.prototype.options_.languages;
+    }
+
+    // Cache for video property values.
+    _this.cache_ = {};
+
+    // Set poster
+    _this.poster_ = options.poster || '';
+
+    // Set controls
+    _this.controls_ = !!options.controls;
+
+    // Set default values for lastVolume
+    _this.cache_.lastVolume = 1;
+
+    // Original tag settings stored in options
+    // now remove immediately so native controls don't flash.
+    // May be turned back on by HTML5 tech if nativeControlsForTouch is true
+    tag.controls = false;
+    tag.removeAttribute('controls');
+
+    // the attribute overrides the option
+    if (tag.hasAttribute('autoplay')) {
+      _this.options_.autoplay = true;
+    } else {
+      // otherwise use the setter to validate and
+      // set the correct value.
+      _this.autoplay(_this.options_.autoplay);
+    }
+
+    /*
+     * Store the internal state of scrubbing
+     *
+     * @private
+     * @return {Boolean} True if the user is scrubbing
+     */
+    _this.scrubbing_ = false;
+
+    _this.el_ = _this.createEl();
+
+    // Set default value for lastPlaybackRate
+    _this.cache_.lastPlaybackRate = _this.defaultPlaybackRate();
+
+    // Make this an evented object and use `el_` as its event bus.
+    evented(_this, { eventBusKey: 'el_' });
+
+    // We also want to pass the original player options to each component and plugin
+    // as well so they don't need to reach back into the player for options later.
+    // We also need to do another copy of this.options_ so we don't end up with
+    // an infinite loop.
+    var playerOptionsCopy = mergeOptions(_this.options_);
+
+    // Load plugins
+    if (options.plugins) {
+      var plugins = options.plugins;
+
+      Object.keys(plugins).forEach(function (name$$1) {
+        if (typeof this[name$$1] === 'function') {
+          this[name$$1](plugins[name$$1]);
+        } else {
+          throw new Error('plugin "' + name$$1 + '" does not exist');
+        }
+      }, _this);
+    }
+
+    _this.options_.playerOptions = playerOptionsCopy;
+
+    _this.middleware_ = [];
+
+    _this.initChildren();
+
+    // Set isAudio based on whether or not an audio tag was used
+    _this.isAudio(tag.nodeName.toLowerCase() === 'audio');
+
+    // Update controls className. Can't do this when the controls are initially
+    // set because the element doesn't exist yet.
+    if (_this.controls()) {
+      _this.addClass('vjs-controls-enabled');
+    } else {
+      _this.addClass('vjs-controls-disabled');
+    }
+
+    // Set ARIA label and region role depending on player type
+    _this.el_.setAttribute('role', 'region');
+    if (_this.isAudio()) {
+      _this.el_.setAttribute('aria-label', _this.localize('Audio Player'));
+    } else {
+      _this.el_.setAttribute('aria-label', _this.localize('Video Player'));
+    }
+
+    if (_this.isAudio()) {
+      _this.addClass('vjs-audio');
+    }
+
+    if (_this.flexNotSupported_()) {
+      _this.addClass('vjs-no-flex');
+    }
+
+    // TODO: Make this smarter. Toggle user state between touching/mousing
+    // using events, since devices can have both touch and mouse events.
+    // if (browser.TOUCH_ENABLED) {
+    //   this.addClass('vjs-touch-enabled');
+    // }
+
+    // iOS Safari has broken hover handling
+    if (!IS_IOS) {
+      _this.addClass('vjs-workinghover');
+    }
+
+    // Make player easily findable by ID
+    Player.players[_this.id_] = _this;
+
+    // Add a major version class to aid css in plugins
+    var majorVersion = version.split('.')[0];
+
+    _this.addClass('vjs-v' + majorVersion);
+
+    // When the player is first initialized, trigger activity so components
+    // like the control bar show themselves if needed
+    _this.userActive(true);
+    _this.reportUserActivity();
+
+    _this.one('play', _this.listenForUserActivity_);
+    _this.on('fullscreenchange', _this.handleFullscreenChange_);
+    _this.on('stageclick', _this.handleStageClick_);
+
+    _this.changingSrc_ = false;
+    _this.playWaitingForReady_ = false;
+    _this.playOnLoadstart_ = null;
+    return _this;
+  }
+
+  /**
+   * Destroys the video player and does any necessary cleanup.
+   *
+   * This is especially helpful if you are dynamically adding and removing videos
+   * to/from the DOM.
+   *
+   * @fires Player#dispose
+   */
+
+
+  Player.prototype.dispose = function dispose() {
+    /**
+     * Called when the player is being disposed of.
+     *
+     * @event Player#dispose
+     * @type {EventTarget~Event}
+     */
+    this.trigger('dispose');
+    // prevent dispose from being called twice
+    this.off('dispose');
+
+    if (this.styleEl_ && this.styleEl_.parentNode) {
+      this.styleEl_.parentNode.removeChild(this.styleEl_);
+      this.styleEl_ = null;
+    }
+
+    // Kill reference to this player
+    Player.players[this.id_] = null;
+
+    if (this.tag && this.tag.player) {
+      this.tag.player = null;
+    }
+
+    if (this.el_ && this.el_.player) {
+      this.el_.player = null;
+    }
+
+    if (this.tech_) {
+      this.tech_.dispose();
+      this.isPosterFromTech_ = false;
+      this.poster_ = '';
+    }
+
+    if (this.playerElIngest_) {
+      this.playerElIngest_ = null;
+    }
+
+    if (this.tag) {
+      this.tag = null;
+    }
+
+    clearCacheForPlayer(this);
+
+    // the actual .el_ is removed here
+    _Component.prototype.dispose.call(this);
+  };
+
+  /**
+   * Create the `Player`'s DOM element.
+   *
+   * @return {Element}
+   *         The DOM element that gets created.
+   */
+
+
+  Player.prototype.createEl = function createEl$$1() {
+    var tag = this.tag;
+    var el = void 0;
+    var playerElIngest = this.playerElIngest_ = tag.parentNode && tag.parentNode.hasAttribute && tag.parentNode.hasAttribute('data-vjs-player');
+    var divEmbed = this.tag.tagName.toLowerCase() === 'video-js';
+
+    if (playerElIngest) {
+      el = this.el_ = tag.parentNode;
+    } else if (!divEmbed) {
+      el = this.el_ = _Component.prototype.createEl.call(this, 'div');
+    }
+
+    // Copy over all the attributes from the tag, including ID and class
+    // ID will now reference player box, not the video tag
+    var attrs = getAttributes(tag);
+
+    if (divEmbed) {
+      el = this.el_ = tag;
+      tag = this.tag = document.createElement('video');
+      while (el.children.length) {
+        tag.appendChild(el.firstChild);
+      }
+
+      if (!hasClass(el, 'video-js')) {
+        addClass(el, 'video-js');
+      }
+
+      el.appendChild(tag);
+
+      playerElIngest = this.playerElIngest_ = el;
+      // move properties over from our custom `video-js` element
+      // to our new `video` element. This will move things like
+      // `src` or `controls` that were set via js before the player
+      // was initialized.
+      Object.keys(el).forEach(function (k) {
+        tag[k] = el[k];
+      });
+    }
+
+    // set tabindex to -1 to remove the video element from the focus order
+    tag.setAttribute('tabindex', '-1');
+    attrs.tabindex = '-1';
+
+    // Workaround for #4583 (JAWS+IE doesn't announce BPB or play button)
+    // See https://github.com/FreedomScientific/VFO-standards-support/issues/78
+    // Note that we can't detect if JAWS is being used, but this ARIA attribute
+    //  doesn't change behavior of IE11 if JAWS is not being used
+    if (IE_VERSION) {
+      tag.setAttribute('role', 'application');
+      attrs.role = 'application';
+    }
+
+    // Remove width/height attrs from tag so CSS can make it 100% width/height
+    tag.removeAttribute('width');
+    tag.removeAttribute('height');
+
+    if ('width' in attrs) {
+      delete attrs.width;
+    }
+    if ('height' in attrs) {
+      delete attrs.height;
+    }
+
+    Object.getOwnPropertyNames(attrs).forEach(function (attr) {
+      // don't copy over the class attribute to the player element when we're in a div embed
+      // the class is already set up properly in the divEmbed case
+      // and we want to make sure that the `video-js` class doesn't get lost
+      if (!(divEmbed && attr === 'class')) {
+        el.setAttribute(attr, attrs[attr]);
+      }
+
+      if (divEmbed) {
+        tag.setAttribute(attr, attrs[attr]);
+      }
+    });
+
+    // Update tag id/class for use as HTML5 playback tech
+    // Might think we should do this after embedding in container so .vjs-tech class
+    // doesn't flash 100% width/height, but class only applies with .video-js parent
+    tag.playerId = tag.id;
+    tag.id += '_html5_api';
+    tag.className = 'vjs-tech';
+
+    // Make player findable on elements
+    tag.player = el.player = this;
+    // Default state of video is paused
+    this.addClass('vjs-paused');
+
+    // Add a style element in the player that we'll use to set the width/height
+    // of the player in a way that's still overrideable by CSS, just like the
+    // video element
+    if (window$1.VIDEOJS_NO_DYNAMIC_STYLE !== true) {
+      this.styleEl_ = createStyleElement('vjs-styles-dimensions');
+      var defaultsStyleEl = $('.vjs-styles-defaults');
+      var head = $('head');
+
+      head.insertBefore(this.styleEl_, defaultsStyleEl ? defaultsStyleEl.nextSibling : head.firstChild);
+    }
+
+    // Pass in the width/height/aspectRatio options which will update the style el
+    this.width(this.options_.width);
+    this.height(this.options_.height);
+    this.fluid(this.options_.fluid);
+    this.aspectRatio(this.options_.aspectRatio);
+
+    // Hide any links within the video/audio tag,
+    // because IE doesn't hide them completely from screen readers.
+    var links = tag.getElementsByTagName('a');
+
+    for (var i = 0; i < links.length; i++) {
+      var linkEl = links.item(i);
+
+      addClass(linkEl, 'vjs-hidden');
+      linkEl.setAttribute('hidden', 'hidden');
+    }
+
+    // insertElFirst seems to cause the networkState to flicker from 3 to 2, so
+    // keep track of the original for later so we can know if the source originally failed
+    tag.initNetworkState_ = tag.networkState;
+
+    // Wrap video tag in div (el/box) container
+    if (tag.parentNode && !playerElIngest) {
+      tag.parentNode.insertBefore(el, tag);
+    }
+
+    // insert the tag as the first child of the player element
+    // then manually add it to the children array so that this.addChild
+    // will work properly for other components
+    //
+    // Breaks iPhone, fixed in HTML5 setup.
+    prependTo(tag, el);
+    this.children_.unshift(tag);
+
+    // Set lang attr on player to ensure CSS :lang() in consistent with player
+    // if it's been set to something different to the doc
+    this.el_.setAttribute('lang', this.language_);
+
+    this.el_ = el;
+
+    return el;
+  };
+
+  /**
+   * A getter/setter for the `Player`'s width. Returns the player's configured value.
+   * To get the current width use `currentWidth()`.
+   *
+   * @param {number} [value]
+   *        The value to set the `Player`'s width to.
+   *
+   * @return {number}
+   *         The current width of the `Player` when getting.
+   */
+
+
+  Player.prototype.width = function width(value) {
+    return this.dimension('width', value);
+  };
+
+  /**
+   * A getter/setter for the `Player`'s height. Returns the player's configured value.
+   * To get the current height use `currentheight()`.
+   *
+   * @param {number} [value]
+   *        The value to set the `Player`'s heigth to.
+   *
+   * @return {number}
+   *         The current height of the `Player` when getting.
+   */
+
+
+  Player.prototype.height = function height(value) {
+    return this.dimension('height', value);
+  };
+
+  /**
+   * A getter/setter for the `Player`'s width & height.
+   *
+   * @param {string} dimension
+   *        This string can be:
+   *        - 'width'
+   *        - 'height'
+   *
+   * @param {number} [value]
+   *        Value for dimension specified in the first argument.
+   *
+   * @return {number}
+   *         The dimension arguments value when getting (width/height).
+   */
+
+
+  Player.prototype.dimension = function dimension(_dimension, value) {
+    var privDimension = _dimension + '_';
+
+    if (value === undefined) {
+      return this[privDimension] || 0;
+    }
+
+    if (value === '') {
+      // If an empty string is given, reset the dimension to be automatic
+      this[privDimension] = undefined;
+      this.updateStyleEl_();
+      return;
+    }
+
+    var parsedVal = parseFloat(value);
+
+    if (isNaN(parsedVal)) {
+      log$1.error('Improper value "' + value + '" supplied for for ' + _dimension);
+      return;
+    }
+
+    this[privDimension] = parsedVal;
+    this.updateStyleEl_();
+  };
+
+  /**
+   * A getter/setter/toggler for the vjs-fluid `className` on the `Player`.
+   *
+   * @param {boolean} [bool]
+   *        - A value of true adds the class.
+   *        - A value of false removes the class.
+   *        - No value will toggle the fluid class.
+   *
+   * @return {boolean|undefined}
+   *         - The value of fluid when getting.
+   *         - `undefined` when setting.
+   */
+
+
+  Player.prototype.fluid = function fluid(bool) {
+    if (bool === undefined) {
+      return !!this.fluid_;
+    }
+
+    this.fluid_ = !!bool;
+
+    if (bool) {
+      this.addClass('vjs-fluid');
+    } else {
+      this.removeClass('vjs-fluid');
+    }
+
+    this.updateStyleEl_();
+  };
+
+  /**
+   * Get/Set the aspect ratio
+   *
+   * @param {string} [ratio]
+   *        Aspect ratio for player
+   *
+   * @return {string|undefined}
+   *         returns the current aspect ratio when getting
+   */
+
+  /**
+   * A getter/setter for the `Player`'s aspect ratio.
+   *
+   * @param {string} [ratio]
+   *        The value to set the `Player's aspect ratio to.
+   *
+   * @return {string|undefined}
+   *         - The current aspect ratio of the `Player` when getting.
+   *         - undefined when setting
+   */
+
+
+  Player.prototype.aspectRatio = function aspectRatio(ratio) {
+    if (ratio === undefined) {
+      return this.aspectRatio_;
+    }
+
+    // Check for width:height format
+    if (!/^\d+\:\d+$/.test(ratio)) {
+      throw new Error('Improper value supplied for aspect ratio. The format should be width:height, for example 16:9.');
+    }
+    this.aspectRatio_ = ratio;
+
+    // We're assuming if you set an aspect ratio you want fluid mode,
+    // because in fixed mode you could calculate width and height yourself.
+    this.fluid(true);
+
+    this.updateStyleEl_();
+  };
+
+  /**
+   * Update styles of the `Player` element (height, width and aspect ratio).
+   *
+   * @private
+   * @listens Tech#loadedmetadata
+   */
+
+
+  Player.prototype.updateStyleEl_ = function updateStyleEl_() {
+    if (window$1.VIDEOJS_NO_DYNAMIC_STYLE === true) {
+      var _width = typeof this.width_ === 'number' ? this.width_ : this.options_.width;
+      var _height = typeof this.height_ === 'number' ? this.height_ : this.options_.height;
+      var techEl = this.tech_ && this.tech_.el();
+
+      if (techEl) {
+        if (_width >= 0) {
+          techEl.width = _width;
+        }
+        if (_height >= 0) {
+          techEl.height = _height;
+        }
+      }
+
+      return;
+    }
+
+    var width = void 0;
+    var height = void 0;
+    var aspectRatio = void 0;
+    var idClass = void 0;
+
+    // The aspect ratio is either used directly or to calculate width and height.
+    if (this.aspectRatio_ !== undefined && this.aspectRatio_ !== 'auto') {
+      // Use any aspectRatio that's been specifically set
+      aspectRatio = this.aspectRatio_;
+    } else if (this.videoWidth() > 0) {
+      // Otherwise try to get the aspect ratio from the video metadata
+      aspectRatio = this.videoWidth() + ':' + this.videoHeight();
+    } else {
+      // Or use a default. The video element's is 2:1, but 16:9 is more common.
+      aspectRatio = '16:9';
+    }
+
+    // Get the ratio as a decimal we can use to calculate dimensions
+    var ratioParts = aspectRatio.split(':');
+    var ratioMultiplier = ratioParts[1] / ratioParts[0];
+
+    if (this.width_ !== undefined) {
+      // Use any width that's been specifically set
+      width = this.width_;
+    } else if (this.height_ !== undefined) {
+      // Or calulate the width from the aspect ratio if a height has been set
+      width = this.height_ / ratioMultiplier;
+    } else {
+      // Or use the video's metadata, or use the video el's default of 300
+      width = this.videoWidth() || 300;
+    }
+
+    if (this.height_ !== undefined) {
+      // Use any height that's been specifically set
+      height = this.height_;
+    } else {
+      // Otherwise calculate the height from the ratio and the width
+      height = width * ratioMultiplier;
+    }
+
+    // Ensure the CSS class is valid by starting with an alpha character
+    if (/^[^a-zA-Z]/.test(this.id())) {
+      idClass = 'dimensions-' + this.id();
+    } else {
+      idClass = this.id() + '-dimensions';
+    }
+
+    // Ensure the right class is still on the player for the style element
+    this.addClass(idClass);
+
+    setTextContent(this.styleEl_, '\n      .' + idClass + ' {\n        width: ' + width + 'px;\n        height: ' + height + 'px;\n      }\n\n      .' + idClass + '.vjs-fluid {\n        padding-top: ' + ratioMultiplier * 100 + '%;\n      }\n    ');
+  };
+
+  /**
+   * Load/Create an instance of playback {@link Tech} including element
+   * and API methods. Then append the `Tech` element in `Player` as a child.
+   *
+   * @param {string} techName
+   *        name of the playback technology
+   *
+   * @param {string} source
+   *        video source
+   *
+   * @private
+   */
+
+
+  Player.prototype.loadTech_ = function loadTech_(techName, source) {
+    var _this2 = this;
+
+    // Pause and remove current playback technology
+    if (this.tech_) {
+      this.unloadTech_();
+    }
+
+    var titleTechName = toTitleCase(techName);
+    var camelTechName = techName.charAt(0).toLowerCase() + techName.slice(1);
+
+    // get rid of the HTML5 video tag as soon as we are using another tech
+    if (titleTechName !== 'Html5' && this.tag) {
+      Tech.getTech('Html5').disposeMediaElement(this.tag);
+      this.tag.player = null;
+      this.tag = null;
+    }
+
+    this.techName_ = titleTechName;
+
+    // Turn off API access because we're loading a new tech that might load asynchronously
+    this.isReady_ = false;
+
+    // if autoplay is a string we pass false to the tech
+    // because the player is going to handle autoplay on `loadstart`
+    var autoplay = typeof this.autoplay() === 'string' ? false : this.autoplay();
+
+    // Grab tech-specific options from player options and add source and parent element to use.
+    var techOptions = {
+      source: source,
+      autoplay: autoplay,
+      'nativeControlsForTouch': this.options_.nativeControlsForTouch,
+      'playerId': this.id(),
+      'techId': this.id() + '_' + camelTechName + '_api',
+      'playsinline': this.options_.playsinline,
+      'preload': this.options_.preload,
+      'loop': this.options_.loop,
+      'muted': this.options_.muted,
+      'poster': this.poster(),
+      'language': this.language(),
+      'playerElIngest': this.playerElIngest_ || false,
+      'vtt.js': this.options_['vtt.js'],
+      'canOverridePoster': !!this.options_.techCanOverridePoster,
+      'enableSourceset': this.options_.enableSourceset
+    };
+
+    ALL.names.forEach(function (name$$1) {
+      var props = ALL[name$$1];
+
+      techOptions[props.getterName] = _this2[props.privateName];
+    });
+
+    assign(techOptions, this.options_[titleTechName]);
+    assign(techOptions, this.options_[camelTechName]);
+    assign(techOptions, this.options_[techName.toLowerCase()]);
+
+    if (this.tag) {
+      techOptions.tag = this.tag;
+    }
+
+    if (source && source.src === this.cache_.src && this.cache_.currentTime > 0) {
+      techOptions.startTime = this.cache_.currentTime;
+    }
+
+    // Initialize tech instance
+    var TechClass = Tech.getTech(techName);
+
+    if (!TechClass) {
+      throw new Error('No Tech named \'' + titleTechName + '\' exists! \'' + titleTechName + '\' should be registered using videojs.registerTech()\'');
+    }
+
+    this.tech_ = new TechClass(techOptions);
+
+    // player.triggerReady is always async, so don't need this to be async
+    this.tech_.ready(bind(this, this.handleTechReady_), true);
+
+    textTrackConverter.jsonToTextTracks(this.textTracksJson_ || [], this.tech_);
+
+    // Listen to all HTML5-defined events and trigger them on the player
+    TECH_EVENTS_RETRIGGER.forEach(function (event) {
+      _this2.on(_this2.tech_, event, _this2['handleTech' + toTitleCase(event) + '_']);
+    });
+
+    Object.keys(TECH_EVENTS_QUEUE).forEach(function (event) {
+      _this2.on(_this2.tech_, event, function (eventObj) {
+        if (_this2.tech_.playbackRate() === 0 && _this2.tech_.seeking()) {
+          _this2.queuedCallbacks_.push({
+            callback: _this2['handleTech' + TECH_EVENTS_QUEUE[event] + '_'].bind(_this2),
+            event: eventObj
+          });
+          return;
+        }
+        _this2['handleTech' + TECH_EVENTS_QUEUE[event] + '_'](eventObj);
+      });
+    });
+
+    this.on(this.tech_, 'loadstart', this.handleTechLoadStart_);
+    this.on(this.tech_, 'sourceset', this.handleTechSourceset_);
+    this.on(this.tech_, 'waiting', this.handleTechWaiting_);
+    this.on(this.tech_, 'ended', this.handleTechEnded_);
+    this.on(this.tech_, 'seeking', this.handleTechSeeking_);
+    this.on(this.tech_, 'play', this.handleTechPlay_);
+    this.on(this.tech_, 'firstplay', this.handleTechFirstPlay_);
+    this.on(this.tech_, 'pause', this.handleTechPause_);
+    this.on(this.tech_, 'durationchange', this.handleTechDurationChange_);
+    this.on(this.tech_, 'fullscreenchange', this.handleTechFullscreenChange_);
+    this.on(this.tech_, 'error', this.handleTechError_);
+    this.on(this.tech_, 'loadedmetadata', this.updateStyleEl_);
+    this.on(this.tech_, 'posterchange', this.handleTechPosterChange_);
+    this.on(this.tech_, 'textdata', this.handleTechTextData_);
+    this.on(this.tech_, 'ratechange', this.handleTechRateChange_);
+
+    this.usingNativeControls(this.techGet_('controls'));
+
+    if (this.controls() && !this.usingNativeControls()) {
+      this.addTechControlsListeners_();
+    }
+
+    // Add the tech element in the DOM if it was not already there
+    // Make sure to not insert the original video element if using Html5
+    if (this.tech_.el().parentNode !== this.el() && (titleTechName !== 'Html5' || !this.tag)) {
+      prependTo(this.tech_.el(), this.el());
+    }
+
+    // Get rid of the original video tag reference after the first tech is loaded
+    if (this.tag) {
+      this.tag.player = null;
+      this.tag = null;
+    }
+  };
+
+  /**
+   * Unload and dispose of the current playback {@link Tech}.
+   *
+   * @private
+   */
+
+
+  Player.prototype.unloadTech_ = function unloadTech_() {
+    var _this3 = this;
+
+    // Save the current text tracks so that we can reuse the same text tracks with the next tech
+    ALL.names.forEach(function (name$$1) {
+      var props = ALL[name$$1];
+
+      _this3[props.privateName] = _this3[props.getterName]();
+    });
+    this.textTracksJson_ = textTrackConverter.textTracksToJson(this.tech_);
+
+    this.isReady_ = false;
+
+    this.tech_.dispose();
+
+    this.tech_ = false;
+
+    if (this.isPosterFromTech_) {
+      this.poster_ = '';
+      this.trigger('posterchange');
+    }
+
+    this.isPosterFromTech_ = false;
+  };
+
+  /**
+   * Return a reference to the current {@link Tech}.
+   * It will print a warning by default about the danger of using the tech directly
+   * but any argument that is passed in will silence the warning.
+   *
+   * @param {*} [safety]
+   *        Anything passed in to silence the warning
+   *
+   * @return {Tech}
+   *         The Tech
+   */
+
+
+  Player.prototype.tech = function tech(safety) {
+    if (safety === undefined) {
+      log$1.warn(tsml(_templateObject$2));
+    }
+
+    return this.tech_;
+  };
+
+  /**
+   * Set up click and touch listeners for the playback element
+   *
+   * - On desktops: a click on the video itself will toggle playback
+   * - On mobile devices: a click on the video toggles controls
+   *   which is done by toggling the user state between active and
+   *   inactive
+   * - A tap can signal that a user has become active or has become inactive
+   *   e.g. a quick tap on an iPhone movie should reveal the controls. Another
+   *   quick tap should hide them again (signaling the user is in an inactive
+   *   viewing state)
+   * - In addition to this, we still want the user to be considered inactive after
+   *   a few seconds of inactivity.
+   *
+   * > Note: the only part of iOS interaction we can't mimic with this setup
+   * is a touch and hold on the video element counting as activity in order to
+   * keep the controls showing, but that shouldn't be an issue. A touch and hold
+   * on any controls will still keep the user active
+   *
+   * @private
+   */
+
+
+  Player.prototype.addTechControlsListeners_ = function addTechControlsListeners_() {
+    // Make sure to remove all the previous listeners in case we are called multiple times.
+    this.removeTechControlsListeners_();
+
+    // Some browsers (Chrome & IE) don't trigger a click on a flash swf, but do
+    // trigger mousedown/up.
+    // http://stackoverflow.com/questions/1444562/javascript-onclick-event-over-flash-object
+    // Any touch events are set to block the mousedown event from happening
+    this.on(this.tech_, 'mousedown', this.handleTechClick_);
+    this.on(this.tech_, 'dblclick', this.handleTechDoubleClick_);
+
+    // If the controls were hidden we don't want that to change without a tap event
+    // so we'll check if the controls were already showing before reporting user
+    // activity
+    this.on(this.tech_, 'touchstart', this.handleTechTouchStart_);
+    this.on(this.tech_, 'touchmove', this.handleTechTouchMove_);
+    this.on(this.tech_, 'touchend', this.handleTechTouchEnd_);
+
+    // The tap listener needs to come after the touchend listener because the tap
+    // listener cancels out any reportedUserActivity when setting userActive(false)
+    this.on(this.tech_, 'tap', this.handleTechTap_);
+  };
+
+  /**
+   * Remove the listeners used for click and tap controls. This is needed for
+   * toggling to controls disabled, where a tap/touch should do nothing.
+   *
+   * @private
+   */
+
+
+  Player.prototype.removeTechControlsListeners_ = function removeTechControlsListeners_() {
+    // We don't want to just use `this.off()` because there might be other needed
+    // listeners added by techs that extend this.
+    this.off(this.tech_, 'tap', this.handleTechTap_);
+    this.off(this.tech_, 'touchstart', this.handleTechTouchStart_);
+    this.off(this.tech_, 'touchmove', this.handleTechTouchMove_);
+    this.off(this.tech_, 'touchend', this.handleTechTouchEnd_);
+    this.off(this.tech_, 'mousedown', this.handleTechClick_);
+    this.off(this.tech_, 'dblclick', this.handleTechDoubleClick_);
+  };
+
+  /**
+   * Player waits for the tech to be ready
+   *
+   * @private
+   */
+
+
+  Player.prototype.handleTechReady_ = function handleTechReady_() {
+    this.triggerReady();
+
+    // Keep the same volume as before
+    if (this.cache_.volume) {
+      this.techCall_('setVolume', this.cache_.volume);
+    }
+
+    // Look if the tech found a higher resolution poster while loading
+    this.handleTechPosterChange_();
+
+    // Update the duration if available
+    this.handleTechDurationChange_();
+  };
+
+  /**
+   * Retrigger the `loadstart` event that was triggered by the {@link Tech}. This
+   * function will also trigger {@link Player#firstplay} if it is the first loadstart
+   * for a video.
+   *
+   * @fires Player#loadstart
+   * @fires Player#firstplay
+   * @listens Tech#loadstart
+   * @private
+   */
+
+
+  Player.prototype.handleTechLoadStart_ = function handleTechLoadStart_() {
+    // TODO: Update to use `emptied` event instead. See #1277.
+
+    this.removeClass('vjs-ended');
+    this.removeClass('vjs-seeking');
+
+    // reset the error state
+    this.error(null);
+
+    // If it's already playing we want to trigger a firstplay event now.
+    // The firstplay event relies on both the play and loadstart events
+    // which can happen in any order for a new source
+    if (!this.paused()) {
+      /**
+       * Fired when the user agent begins looking for media data
+       *
+       * @event Player#loadstart
+       * @type {EventTarget~Event}
+       */
+      this.trigger('loadstart');
+      this.trigger('firstplay');
+    } else {
+      // reset the hasStarted state
+      this.hasStarted(false);
+      this.trigger('loadstart');
+    }
+
+    // autoplay happens after loadstart for the browser,
+    // so we mimic that behavior
+    this.manualAutoplay_(this.autoplay());
+  };
+
+  /**
+   * Handle autoplay string values, rather than the typical boolean
+   * values that should be handled by the tech. Note that this is not
+   * part of any specification. Valid values and what they do can be
+   * found on the autoplay getter at Player#autoplay()
+   */
+
+
+  Player.prototype.manualAutoplay_ = function manualAutoplay_(type) {
+    var _this4 = this;
+
+    if (!this.tech_ || typeof type !== 'string') {
+      return;
+    }
+
+    var muted = function muted() {
+      var previouslyMuted = _this4.muted();
+
+      _this4.muted(true);
+
+      var playPromise = _this4.play();
+
+      if (!playPromise || !playPromise.then || !playPromise.catch) {
+        return;
+      }
+
+      return playPromise.catch(function (e) {
+        // restore old value of muted on failure
+        _this4.muted(previouslyMuted);
+      });
+    };
+
+    var promise = void 0;
+
+    if (type === 'any') {
+      promise = this.play();
+
+      if (promise && promise.then && promise.catch) {
+        promise.catch(function () {
+          return muted();
+        });
+      }
+    } else if (type === 'muted') {
+      promise = muted();
+    } else {
+      promise = this.play();
+    }
+
+    if (!promise || !promise.then || !promise.catch) {
+      return;
+    }
+
+    return promise.then(function () {
+      _this4.trigger({ type: 'autoplay-success', autoplay: type });
+    }).catch(function (e) {
+      _this4.trigger({ type: 'autoplay-failure', autoplay: type });
+    });
+  };
+
+  /**
+   * Update the internal source caches so that we return the correct source from
+   * `src()`, `currentSource()`, and `currentSources()`.
+   *
+   * > Note: `currentSources` will not be updated if the source that is passed in exists
+   *         in the current `currentSources` cache.
+   *
+   *
+   * @param {Tech~SourceObject} srcObj
+   *        A string or object source to update our caches to.
+   */
+
+
+  Player.prototype.updateSourceCaches_ = function updateSourceCaches_() {
+    var srcObj = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
+
+
+    var src = srcObj;
+    var type = '';
+
+    if (typeof src !== 'string') {
+      src = srcObj.src;
+      type = srcObj.type;
+    }
+
+    // if we are a blob url, don't update the source cache
+    // blob urls can arise when playback is done via Media Source Extension (MSE)
+    // such as m3u8 sources with @videojs/http-streaming (VHS)
+    if (/^blob:/.test(src)) {
+      return;
+    }
+
+    // make sure all the caches are set to default values
+    // to prevent null checking
+    this.cache_.source = this.cache_.source || {};
+    this.cache_.sources = this.cache_.sources || [];
+
+    // try to get the type of the src that was passed in
+    if (src && !type) {
+      type = findMimetype(this, src);
+    }
+
+    // update `currentSource` cache always
+    this.cache_.source = mergeOptions({}, srcObj, { src: src, type: type });
+
+    var matchingSources = this.cache_.sources.filter(function (s) {
+      return s.src && s.src === src;
+    });
+    var sourceElSources = [];
+    var sourceEls = this.$$('source');
+    var matchingSourceEls = [];
+
+    for (var i = 0; i < sourceEls.length; i++) {
+      var sourceObj = getAttributes(sourceEls[i]);
+
+      sourceElSources.push(sourceObj);
+
+      if (sourceObj.src && sourceObj.src === src) {
+        matchingSourceEls.push(sourceObj.src);
+      }
+    }
+
+    // if we have matching source els but not matching sources
+    // the current source cache is not up to date
+    if (matchingSourceEls.length && !matchingSources.length) {
+      this.cache_.sources = sourceElSources;
+      // if we don't have matching source or source els set the
+      // sources cache to the `currentSource` cache
+    } else if (!matchingSources.length) {
+      this.cache_.sources = [this.cache_.source];
+    }
+
+    // update the tech `src` cache
+    this.cache_.src = src;
+  };
+
+  /**
+   * *EXPERIMENTAL* Fired when the source is set or changed on the {@link Tech}
+   * causing the media element to reload.
+   *
+   * It will fire for the initial source and each subsequent source.
+   * This event is a custom event from Video.js and is triggered by the {@link Tech}.
+   *
+   * The event object for this event contains a `src` property that will contain the source
+   * that was available when the event was triggered. This is generally only necessary if Video.js
+   * is switching techs while the source was being changed.
+   *
+   * It is also fired when `load` is called on the player (or media element)
+   * because the {@link https://html.spec.whatwg.org/multipage/media.html#dom-media-load|specification for `load`}
+   * says that the resource selection algorithm needs to be aborted and restarted.
+   * In this case, it is very likely that the `src` property will be set to the
+   * empty string `""` to indicate we do not know what the source will be but
+   * that it is changing.
+   *
+   * *This event is currently still experimental and may change in minor releases.*
+   * __To use this, pass `enableSourceset` option to the player.__
+   *
+   * @event Player#sourceset
+   * @type {EventTarget~Event}
+   * @prop {string} src
+   *                The source url available when the `sourceset` was triggered.
+   *                It will be an empty string if we cannot know what the source is
+   *                but know that the source will change.
+   */
+  /**
+   * Retrigger the `sourceset` event that was triggered by the {@link Tech}.
+   *
+   * @fires Player#sourceset
+   * @listens Tech#sourceset
+   * @private
+   */
+
+
+  Player.prototype.handleTechSourceset_ = function handleTechSourceset_(event) {
+    var _this5 = this;
+
+    // only update the source cache when the source
+    // was not updated using the player api
+    if (!this.changingSrc_) {
+      // update the source to the intial source right away
+      // in some cases this will be empty string
+      this.updateSourceCaches_(event.src);
+
+      // if the `sourceset` `src` was an empty string
+      // wait for a `loadstart` to update the cache to `currentSrc`.
+      // If a sourceset happens before a `loadstart`, we reset the state
+      // as this function will be called again.
+      if (!event.src) {
+        var updateCache = function updateCache(e) {
+          if (e.type !== 'sourceset') {
+            _this5.updateSourceCaches_(_this5.techGet_('currentSrc'));
+          }
+
+          _this5.tech_.off(['sourceset', 'loadstart'], updateCache);
+        };
+
+        this.tech_.one(['sourceset', 'loadstart'], updateCache);
+      }
+    }
+
+    this.trigger({
+      src: event.src,
+      type: 'sourceset'
+    });
+  };
+
+  /**
+   * Add/remove the vjs-has-started class
+   *
+   * @fires Player#firstplay
+   *
+   * @param {boolean} request
+   *        - true: adds the class
+   *        - false: remove the class
+   *
+   * @return {boolean}
+   *         the boolean value of hasStarted_
+   */
+
+
+  Player.prototype.hasStarted = function hasStarted(request) {
+    if (request === undefined) {
+      // act as getter, if we have no request to change
+      return this.hasStarted_;
+    }
+
+    if (request === this.hasStarted_) {
+      return;
+    }
+
+    this.hasStarted_ = request;
+
+    if (this.hasStarted_) {
+      this.addClass('vjs-has-started');
+      this.trigger('firstplay');
+    } else {
+      this.removeClass('vjs-has-started');
+    }
+  };
+
+  /**
+   * Fired whenever the media begins or resumes playback
+   *
+   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-play}
+   * @fires Player#play
+   * @listens Tech#play
+   * @private
+   */
+
+
+  Player.prototype.handleTechPlay_ = function handleTechPlay_() {
+    this.removeClass('vjs-ended');
+    this.removeClass('vjs-paused');
+    this.addClass('vjs-playing');
+
+    // hide the poster when the user hits play
+    this.hasStarted(true);
+    /**
+     * Triggered whenever an {@link Tech#play} event happens. Indicates that
+     * playback has started or resumed.
+     *
+     * @event Player#play
+     * @type {EventTarget~Event}
+     */
+    this.trigger('play');
+  };
+
+  /**
+   * Retrigger the `ratechange` event that was triggered by the {@link Tech}.
+   *
+   * If there were any events queued while the playback rate was zero, fire
+   * those events now.
+   *
+   * @private
+   * @method Player#handleTechRateChange_
+   * @fires Player#ratechange
+   * @listens Tech#ratechange
+   */
+
+
+  Player.prototype.handleTechRateChange_ = function handleTechRateChange_() {
+    if (this.tech_.playbackRate() > 0 && this.cache_.lastPlaybackRate === 0) {
+      this.queuedCallbacks_.forEach(function (queued) {
+        return queued.callback(queued.event);
+      });
+      this.queuedCallbacks_ = [];
+    }
+    this.cache_.lastPlaybackRate = this.tech_.playbackRate();
+    /**
+     * Fires when the playing speed of the audio/video is changed
+     *
+     * @event Player#ratechange
+     * @type {event}
+     */
+    this.trigger('ratechange');
+  };
+
+  /**
+   * Retrigger the `waiting` event that was triggered by the {@link Tech}.
+   *
+   * @fires Player#waiting
+   * @listens Tech#waiting
+   * @private
+   */
+
+
+  Player.prototype.handleTechWaiting_ = function handleTechWaiting_() {
+    var _this6 = this;
+
+    this.addClass('vjs-waiting');
+    /**
+     * A readyState change on the DOM element has caused playback to stop.
+     *
+     * @event Player#waiting
+     * @type {EventTarget~Event}
+     */
+    this.trigger('waiting');
+    this.one('timeupdate', function () {
+      return _this6.removeClass('vjs-waiting');
+    });
+  };
+
+  /**
+   * Retrigger the `canplay` event that was triggered by the {@link Tech}.
+   * > Note: This is not consistent between browsers. See #1351
+   *
+   * @fires Player#canplay
+   * @listens Tech#canplay
+   * @private
+   */
+
+
+  Player.prototype.handleTechCanPlay_ = function handleTechCanPlay_() {
+    this.removeClass('vjs-waiting');
+    /**
+     * The media has a readyState of HAVE_FUTURE_DATA or greater.
+     *
+     * @event Player#canplay
+     * @type {EventTarget~Event}
+     */
+    this.trigger('canplay');
+  };
+
+  /**
+   * Retrigger the `canplaythrough` event that was triggered by the {@link Tech}.
+   *
+   * @fires Player#canplaythrough
+   * @listens Tech#canplaythrough
+   * @private
+   */
+
+
+  Player.prototype.handleTechCanPlayThrough_ = function handleTechCanPlayThrough_() {
+    this.removeClass('vjs-waiting');
+    /**
+     * The media has a readyState of HAVE_ENOUGH_DATA or greater. This means that the
+     * entire media file can be played without buffering.
+     *
+     * @event Player#canplaythrough
+     * @type {EventTarget~Event}
+     */
+    this.trigger('canplaythrough');
+  };
+
+  /**
+   * Retrigger the `playing` event that was triggered by the {@link Tech}.
+   *
+   * @fires Player#playing
+   * @listens Tech#playing
+   * @private
+   */
+
+
+  Player.prototype.handleTechPlaying_ = function handleTechPlaying_() {
+    this.removeClass('vjs-waiting');
+    /**
+     * The media is no longer blocked from playback, and has started playing.
+     *
+     * @event Player#playing
+     * @type {EventTarget~Event}
+     */
+    this.trigger('playing');
+  };
+
+  /**
+   * Retrigger the `seeking` event that was triggered by the {@link Tech}.
+   *
+   * @fires Player#seeking
+   * @listens Tech#seeking
+   * @private
+   */
+
+
+  Player.prototype.handleTechSeeking_ = function handleTechSeeking_() {
+    this.addClass('vjs-seeking');
+    /**
+     * Fired whenever the player is jumping to a new time
+     *
+     * @event Player#seeking
+     * @type {EventTarget~Event}
+     */
+    this.trigger('seeking');
+  };
+
+  /**
+   * Retrigger the `seeked` event that was triggered by the {@link Tech}.
+   *
+   * @fires Player#seeked
+   * @listens Tech#seeked
+   * @private
+   */
+
+
+  Player.prototype.handleTechSeeked_ = function handleTechSeeked_() {
+    this.removeClass('vjs-seeking');
+    /**
+     * Fired when the player has finished jumping to a new time
+     *
+     * @event Player#seeked
+     * @type {EventTarget~Event}
+     */
+    this.trigger('seeked');
+  };
+
+  /**
+   * Retrigger the `firstplay` event that was triggered by the {@link Tech}.
+   *
+   * @fires Player#firstplay
+   * @listens Tech#firstplay
+   * @deprecated As of 6.0 firstplay event is deprecated.
+   *             As of 6.0 passing the `starttime` option to the player and the firstplay event are deprecated.
+   * @private
+   */
+
+
+  Player.prototype.handleTechFirstPlay_ = function handleTechFirstPlay_() {
+    // If the first starttime attribute is specified
+    // then we will start at the given offset in seconds
+    if (this.options_.starttime) {
+      log$1.warn('Passing the `starttime` option to the player will be deprecated in 6.0');
+      this.currentTime(this.options_.starttime);
+    }
+
+    this.addClass('vjs-has-started');
+    /**
+     * Fired the first time a video is played. Not part of the HLS spec, and this is
+     * probably not the best implementation yet, so use sparingly. If you don't have a
+     * reason to prevent playback, use `myPlayer.one('play');` instead.
+     *
+     * @event Player#firstplay
+     * @deprecated As of 6.0 firstplay event is deprecated.
+     * @type {EventTarget~Event}
+     */
+    this.trigger('firstplay');
+  };
+
+  /**
+   * Retrigger the `pause` event that was triggered by the {@link Tech}.
+   *
+   * @fires Player#pause
+   * @listens Tech#pause
+   * @private
+   */
+
+
+  Player.prototype.handleTechPause_ = function handleTechPause_() {
+    this.removeClass('vjs-playing');
+    this.addClass('vjs-paused');
+    /**
+     * Fired whenever the media has been paused
+     *
+     * @event Player#pause
+     * @type {EventTarget~Event}
+     */
+    this.trigger('pause');
+  };
+
+  /**
+   * Retrigger the `ended` event that was triggered by the {@link Tech}.
+   *
+   * @fires Player#ended
+   * @listens Tech#ended
+   * @private
+   */
+
+
+  Player.prototype.handleTechEnded_ = function handleTechEnded_() {
+    this.addClass('vjs-ended');
+    if (this.options_.loop) {
+      this.currentTime(0);
+      this.play();
+    } else if (!this.paused()) {
+      this.pause();
+    }
+
+    /**
+     * Fired when the end of the media resource is reached (currentTime == duration)
+     *
+     * @event Player#ended
+     * @type {EventTarget~Event}
+     */
+    this.trigger('ended');
+  };
+
+  /**
+   * Fired when the duration of the media resource is first known or changed
+   *
+   * @listens Tech#durationchange
+   * @private
+   */
+
+
+  Player.prototype.handleTechDurationChange_ = function handleTechDurationChange_() {
+    this.duration(this.techGet_('duration'));
+  };
+
+  /**
+   * Handle a click on the media element to play/pause
+   *
+   * @param {EventTarget~Event} event
+   *        the event that caused this function to trigger
+   *
+   * @listens Tech#mousedown
+   * @private
+   */
+
+
+  Player.prototype.handleTechClick_ = function handleTechClick_(event) {
+    if (!isSingleLeftClick(event)) {
+      return;
+    }
+
+    // When controls are disabled a click should not toggle playback because
+    // the click is considered a control
+    if (!this.controls_) {
+      return;
+    }
+
+    if (this.paused()) {
+      silencePromise(this.play());
+    } else {
+      this.pause();
+    }
+  };
+
+  /**
+   * Handle a double-click on the media element to enter/exit fullscreen
+   *
+   * @param {EventTarget~Event} event
+   *        the event that caused this function to trigger
+   *
+   * @listens Tech#dblclick
+   * @private
+   */
+
+
+  Player.prototype.handleTechDoubleClick_ = function handleTechDoubleClick_(event) {
+    if (!this.controls_) {
+      return;
+    }
+
+    // we do not want to toggle fullscreen state
+    // when double-clicking inside a control bar or a modal
+    var inAllowedEls = Array.prototype.some.call(this.$$('.vjs-control-bar, .vjs-modal-dialog'), function (el) {
+      return el.contains(event.target);
+    });
+
+    if (!inAllowedEls) {
+      if (this.isFullscreen()) {
+        this.exitFullscreen();
+      } else {
+        this.requestFullscreen();
+      }
+    }
+  };
+
+  /**
+   * Handle a tap on the media element. It will toggle the user
+   * activity state, which hides and shows the controls.
+   *
+   * @listens Tech#tap
+   * @private
+   */
+
+
+  Player.prototype.handleTechTap_ = function handleTechTap_() {
+    this.userActive(!this.userActive());
+  };
+
+  /**
+   * Handle touch to start
+   *
+   * @listens Tech#touchstart
+   * @private
+   */
+
+
+  Player.prototype.handleTechTouchStart_ = function handleTechTouchStart_() {
+    this.userWasActive = this.userActive();
+  };
+
+  /**
+   * Handle touch to move
+   *
+   * @listens Tech#touchmove
+   * @private
+   */
+
+
+  Player.prototype.handleTechTouchMove_ = function handleTechTouchMove_() {
+    if (this.userWasActive) {
+      this.reportUserActivity();
+    }
+  };
+
+  /**
+   * Handle touch to end
+   *
+   * @param {EventTarget~Event} event
+   *        the touchend event that triggered
+   *        this function
+   *
+   * @listens Tech#touchend
+   * @private
+   */
+
+
+  Player.prototype.handleTechTouchEnd_ = function handleTechTouchEnd_(event) {
+    // Stop the mouse events from also happening
+    event.preventDefault();
+  };
+
+  /**
+   * Fired when the player switches in or out of fullscreen mode
+   *
+   * @private
+   * @listens Player#fullscreenchange
+   */
+
+
+  Player.prototype.handleFullscreenChange_ = function handleFullscreenChange_() {
+    if (this.isFullscreen()) {
+      this.addClass('vjs-fullscreen');
+    } else {
+      this.removeClass('vjs-fullscreen');
+    }
+  };
+
+  /**
+   * native click events on the SWF aren't triggered on IE11, Win8.1RT
+   * use stageclick events triggered from inside the SWF instead
+   *
+   * @private
+   * @listens stageclick
+   */
+
+
+  Player.prototype.handleStageClick_ = function handleStageClick_() {
+    this.reportUserActivity();
+  };
+
+  /**
+   * Handle Tech Fullscreen Change
+   *
+   * @param {EventTarget~Event} event
+   *        the fullscreenchange event that triggered this function
+   *
+   * @param {Object} data
+   *        the data that was sent with the event
+   *
+   * @private
+   * @listens Tech#fullscreenchange
+   * @fires Player#fullscreenchange
+   */
+
+
+  Player.prototype.handleTechFullscreenChange_ = function handleTechFullscreenChange_(event, data) {
+    if (data) {
+      this.isFullscreen(data.isFullscreen);
+    }
+    /**
+     * Fired when going in and out of fullscreen.
+     *
+     * @event Player#fullscreenchange
+     * @type {EventTarget~Event}
+     */
+    this.trigger('fullscreenchange');
+  };
+
+  /**
+   * Fires when an error occurred during the loading of an audio/video.
+   *
+   * @private
+   * @listens Tech#error
+   */
+
+
+  Player.prototype.handleTechError_ = function handleTechError_() {
+    var error = this.tech_.error();
+
+    this.error(error);
+  };
+
+  /**
+   * Retrigger the `textdata` event that was triggered by the {@link Tech}.
+   *
+   * @fires Player#textdata
+   * @listens Tech#textdata
+   * @private
+   */
+
+
+  Player.prototype.handleTechTextData_ = function handleTechTextData_() {
+    var data = null;
+
+    if (arguments.length > 1) {
+      data = arguments[1];
+    }
+
+    /**
+     * Fires when we get a textdata event from tech
+     *
+     * @event Player#textdata
+     * @type {EventTarget~Event}
+     */
+    this.trigger('textdata', data);
+  };
+
+  /**
+   * Get object for cached values.
+   *
+   * @return {Object}
+   *         get the current object cache
+   */
+
+
+  Player.prototype.getCache = function getCache() {
+    return this.cache_;
+  };
+
+  /**
+   * Pass values to the playback tech
+   *
+   * @param {string} [method]
+   *        the method to call
+   *
+   * @param {Object} arg
+   *        the argument to pass
+   *
+   * @private
+   */
+
+
+  Player.prototype.techCall_ = function techCall_(method, arg) {
+    // If it's not ready yet, call method when it is
+
+    this.ready(function () {
+      if (method in allowedSetters) {
+        return set$1(this.middleware_, this.tech_, method, arg);
+      } else if (method in allowedMediators) {
+        return mediate(this.middleware_, this.tech_, method, arg);
+      }
+
+      try {
+        if (this.tech_) {
+          this.tech_[method](arg);
+        }
+      } catch (e) {
+        log$1(e);
+        throw e;
+      }
+    }, true);
+  };
+
+  /**
+   * Get calls can't wait for the tech, and sometimes don't need to.
+   *
+   * @param {string} method
+   *        Tech method
+   *
+   * @return {Function|undefined}
+   *         the method or undefined
+   *
+   * @private
+   */
+
+
+  Player.prototype.techGet_ = function techGet_(method) {
+    if (!this.tech_ || !this.tech_.isReady_) {
+      return;
+    }
+
+    if (method in allowedGetters) {
+      return get$1(this.middleware_, this.tech_, method);
+    } else if (method in allowedMediators) {
+      return mediate(this.middleware_, this.tech_, method);
+    }
+
+    // Flash likes to die and reload when you hide or reposition it.
+    // In these cases the object methods go away and we get errors.
+    // When that happens we'll catch the errors and inform tech that it's not ready any more.
+    try {
+      return this.tech_[method]();
+    } catch (e) {
+
+      // When building additional tech libs, an expected method may not be defined yet
+      if (this.tech_[method] === undefined) {
+        log$1('Video.js: ' + method + ' method not defined for ' + this.techName_ + ' playback technology.', e);
+        throw e;
+      }
+
+      // When a method isn't available on the object it throws a TypeError
+      if (e.name === 'TypeError') {
+        log$1('Video.js: ' + method + ' unavailable on ' + this.techName_ + ' playback technology element.', e);
+        this.tech_.isReady_ = false;
+        throw e;
+      }
+
+      // If error unknown, just log and throw
+      log$1(e);
+      throw e;
+    }
+  };
+
+  /**
+   * Attempt to begin playback at the first opportunity.
+   *
+   * @return {Promise|undefined}
+   *         Returns a promise if the browser supports Promises (or one
+   *         was passed in as an option). This promise will be resolved on
+   *         the return value of play. If this is undefined it will fulfill the
+   *         promise chain otherwise the promise chain will be fulfilled when
+   *         the promise from play is fulfilled.
+   */
+
+
+  Player.prototype.play = function play() {
+    var _this7 = this;
+
+    var PromiseClass = this.options_.Promise || window$1.Promise;
+
+    if (PromiseClass) {
+      return new PromiseClass(function (resolve) {
+        _this7.play_(resolve);
+      });
+    }
+
+    return this.play_();
+  };
+
+  /**
+   * The actual logic for play, takes a callback that will be resolved on the
+   * return value of play. This allows us to resolve to the play promise if there
+   * is one on modern browsers.
+   *
+   * @private
+   * @param {Function} [callback]
+   *        The callback that should be called when the techs play is actually called
+   */
+
+
+  Player.prototype.play_ = function play_() {
+    var _this8 = this;
+
+    var callback = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : silencePromise;
+
+    // If this is called while we have a play queued up on a loadstart, remove
+    // that listener to avoid getting in a potentially bad state.
+    if (this.playOnLoadstart_) {
+      this.off('loadstart', this.playOnLoadstart_);
+    }
+
+    // If the player/tech is not ready, queue up another call to `play()` for
+    // when it is. This will loop back into this method for another attempt at
+    // playback when the tech is ready.
+    if (!this.isReady_) {
+
+      // Bail out if we're already waiting for `ready`!
+      if (this.playWaitingForReady_) {
+        return;
+      }
+
+      this.playWaitingForReady_ = true;
+      this.ready(function () {
+        _this8.playWaitingForReady_ = false;
+        callback(_this8.play());
+      });
+
+      // If the player/tech is ready and we have a source, we can attempt playback.
+    } else if (!this.changingSrc_ && (this.src() || this.currentSrc())) {
+      callback(this.techGet_('play'));
+      return;
+
+      // If the tech is ready, but we do not have a source, we'll need to wait
+      // for both the `ready` and a `loadstart` when the source is finally
+      // resolved by middleware and set on the player.
+      //
+      // This can happen if `play()` is called while changing sources or before
+      // one has been set on the player.
+    } else {
+
+      this.playOnLoadstart_ = function () {
+        _this8.playOnLoadstart_ = null;
+        callback(_this8.play());
+      };
+
+      this.one('loadstart', this.playOnLoadstart_);
+    }
+  };
+
+  /**
+   * Pause the video playback
+   *
+   * @return {Player}
+   *         A reference to the player object this function was called on
+   */
+
+
+  Player.prototype.pause = function pause() {
+    this.techCall_('pause');
+  };
+
+  /**
+   * Check if the player is paused or has yet to play
+   *
+   * @return {boolean}
+   *         - false: if the media is currently playing
+   *         - true: if media is not currently playing
+   */
+
+
+  Player.prototype.paused = function paused() {
+    // The initial state of paused should be true (in Safari it's actually false)
+    return this.techGet_('paused') === false ? false : true;
+  };
+
+  /**
+   * Get a TimeRange object representing the current ranges of time that the user
+   * has played.
+   *
+   * @return {TimeRange}
+   *         A time range object that represents all the increments of time that have
+   *         been played.
+   */
+
+
+  Player.prototype.played = function played() {
+    return this.techGet_('played') || createTimeRanges(0, 0);
+  };
+
+  /**
+   * Returns whether or not the user is "scrubbing". Scrubbing is
+   * when the user has clicked the progress bar handle and is
+   * dragging it along the progress bar.
+   *
+   * @param {boolean} [isScrubbing]
+   *        whether the user is or is not scrubbing
+   *
+   * @return {boolean}
+   *         The value of scrubbing when getting
+   */
+
+
+  Player.prototype.scrubbing = function scrubbing(isScrubbing) {
+    if (typeof isScrubbing === 'undefined') {
+      return this.scrubbing_;
+    }
+    this.scrubbing_ = !!isScrubbing;
+
+    if (isScrubbing) {
+      this.addClass('vjs-scrubbing');
+    } else {
+      this.removeClass('vjs-scrubbing');
+    }
+  };
+
+  /**
+   * Get or set the current time (in seconds)
+   *
+   * @param {number|string} [seconds]
+   *        The time to seek to in seconds
+   *
+   * @return {number}
+   *         - the current time in seconds when getting
+   */
+
+
+  Player.prototype.currentTime = function currentTime(seconds) {
+    if (typeof seconds !== 'undefined') {
+      if (seconds < 0) {
+        seconds = 0;
+      }
+      this.techCall_('setCurrentTime', seconds);
+      return;
+    }
+
+    // cache last currentTime and return. default to 0 seconds
+    //
+    // Caching the currentTime is meant to prevent a massive amount of reads on the tech's
+    // currentTime when scrubbing, but may not provide much performance benefit afterall.
+    // Should be tested. Also something has to read the actual current time or the cache will
+    // never get updated.
+    this.cache_.currentTime = this.techGet_('currentTime') || 0;
+    return this.cache_.currentTime;
+  };
+
+  /**
+   * Normally gets the length in time of the video in seconds;
+   * in all but the rarest use cases an argument will NOT be passed to the method
+   *
+   * > **NOTE**: The video must have started loading before the duration can be
+   * known, and in the case of Flash, may not be known until the video starts
+   * playing.
+   *
+   * @fires Player#durationchange
+   *
+   * @param {number} [seconds]
+   *        The duration of the video to set in seconds
+   *
+   * @return {number}
+   *         - The duration of the video in seconds when getting
+   */
+
+
+  Player.prototype.duration = function duration(seconds) {
+    if (seconds === undefined) {
+      // return NaN if the duration is not known
+      return this.cache_.duration !== undefined ? this.cache_.duration : NaN;
+    }
+
+    seconds = parseFloat(seconds);
+
+    // Standardize on Infinity for signaling video is live
+    if (seconds < 0) {
+      seconds = Infinity;
+    }
+
+    if (seconds !== this.cache_.duration) {
+      // Cache the last set value for optimized scrubbing (esp. Flash)
+      this.cache_.duration = seconds;
+
+      if (seconds === Infinity) {
+        this.addClass('vjs-live');
+      } else {
+        this.removeClass('vjs-live');
+      }
+      /**
+       * @event Player#durationchange
+       * @type {EventTarget~Event}
+       */
+      this.trigger('durationchange');
+    }
+  };
+
+  /**
+   * Calculates how much time is left in the video. Not part
+   * of the native video API.
+   *
+   * @return {number}
+   *         The time remaining in seconds
+   */
+
+
+  Player.prototype.remainingTime = function remainingTime() {
+    return this.duration() - this.currentTime();
+  };
+
+  /**
+   * A remaining time function that is intented to be used when
+   * the time is to be displayed directly to the user.
+   *
+   * @return {number}
+   *         The rounded time remaining in seconds
+   */
+
+
+  Player.prototype.remainingTimeDisplay = function remainingTimeDisplay() {
+    return Math.floor(this.duration()) - Math.floor(this.currentTime());
+  };
+
+  //
+  // Kind of like an array of portions of the video that have been downloaded.
+
+  /**
+   * Get a TimeRange object with an array of the times of the video
+   * that have been downloaded. If you just want the percent of the
+   * video that's been downloaded, use bufferedPercent.
+   *
+   * @see [Buffered Spec]{@link http://dev.w3.org/html5/spec/video.html#dom-media-buffered}
+   *
+   * @return {TimeRange}
+   *         A mock TimeRange object (following HTML spec)
+   */
+
+
+  Player.prototype.buffered = function buffered() {
+    var buffered = this.techGet_('buffered');
+
+    if (!buffered || !buffered.length) {
+      buffered = createTimeRanges(0, 0);
+    }
+
+    return buffered;
+  };
+
+  /**
+   * Get the percent (as a decimal) of the video that's been downloaded.
+   * This method is not a part of the native HTML video API.
+   *
+   * @return {number}
+   *         A decimal between 0 and 1 representing the percent
+   *         that is buffered 0 being 0% and 1 being 100%
+   */
+
+
+  Player.prototype.bufferedPercent = function bufferedPercent$$1() {
+    return bufferedPercent(this.buffered(), this.duration());
+  };
+
+  /**
+   * Get the ending time of the last buffered time range
+   * This is used in the progress bar to encapsulate all time ranges.
+   *
+   * @return {number}
+   *         The end of the last buffered time range
+   */
+
+
+  Player.prototype.bufferedEnd = function bufferedEnd() {
+    var buffered = this.buffered();
+    var duration = this.duration();
+    var end = buffered.end(buffered.length - 1);
+
+    if (end > duration) {
+      end = duration;
+    }
+
+    return end;
+  };
+
+  /**
+   * Get or set the current volume of the media
+   *
+   * @param  {number} [percentAsDecimal]
+   *         The new volume as a decimal percent:
+   *         - 0 is muted/0%/off
+   *         - 1.0 is 100%/full
+   *         - 0.5 is half volume or 50%
+   *
+   * @return {number}
+   *         The current volume as a percent when getting
+   */
+
+
+  Player.prototype.volume = function volume(percentAsDecimal) {
+    var vol = void 0;
+
+    if (percentAsDecimal !== undefined) {
+      // Force value to between 0 and 1
+      vol = Math.max(0, Math.min(1, parseFloat(percentAsDecimal)));
+      this.cache_.volume = vol;
+      this.techCall_('setVolume', vol);
+
+      if (vol > 0) {
+        this.lastVolume_(vol);
+      }
+
+      return;
+    }
+
+    // Default to 1 when returning current volume.
+    vol = parseFloat(this.techGet_('volume'));
+    return isNaN(vol) ? 1 : vol;
+  };
+
+  /**
+   * Get the current muted state, or turn mute on or off
+   *
+   * @param {boolean} [muted]
+   *        - true to mute
+   *        - false to unmute
+   *
+   * @return {boolean}
+   *         - true if mute is on and getting
+   *         - false if mute is off and getting
+   */
+
+
+  Player.prototype.muted = function muted(_muted) {
+    if (_muted !== undefined) {
+      this.techCall_('setMuted', _muted);
+      return;
+    }
+    return this.techGet_('muted') || false;
+  };
+
+  /**
+   * Get the current defaultMuted state, or turn defaultMuted on or off. defaultMuted
+   * indicates the state of muted on initial playback.
+   *
+   * ```js
+   *   var myPlayer = videojs('some-player-id');
+   *
+   *   myPlayer.src("http://www.example.com/path/to/video.mp4");
+   *
+   *   // get, should be false
+   *   console.log(myPlayer.defaultMuted());
+   *   // set to true
+   *   myPlayer.defaultMuted(true);
+   *   // get should be true
+   *   console.log(myPlayer.defaultMuted());
+   * ```
+   *
+   * @param {boolean} [defaultMuted]
+   *        - true to mute
+   *        - false to unmute
+   *
+   * @return {boolean|Player}
+   *         - true if defaultMuted is on and getting
+   *         - false if defaultMuted is off and getting
+   *         - A reference to the current player when setting
+   */
+
+
+  Player.prototype.defaultMuted = function defaultMuted(_defaultMuted) {
+    if (_defaultMuted !== undefined) {
+      return this.techCall_('setDefaultMuted', _defaultMuted);
+    }
+    return this.techGet_('defaultMuted') || false;
+  };
+
+  /**
+   * Get the last volume, or set it
+   *
+   * @param  {number} [percentAsDecimal]
+   *         The new last volume as a decimal percent:
+   *         - 0 is muted/0%/off
+   *         - 1.0 is 100%/full
+   *         - 0.5 is half volume or 50%
+   *
+   * @return {number}
+   *         the current value of lastVolume as a percent when getting
+   *
+   * @private
+   */
+
+
+  Player.prototype.lastVolume_ = function lastVolume_(percentAsDecimal) {
+    if (percentAsDecimal !== undefined && percentAsDecimal !== 0) {
+      this.cache_.lastVolume = percentAsDecimal;
+      return;
+    }
+    return this.cache_.lastVolume;
+  };
+
+  /**
+   * Check if current tech can support native fullscreen
+   * (e.g. with built in controls like iOS, so not our flash swf)
+   *
+   * @return {boolean}
+   *         if native fullscreen is supported
+   */
+
+
+  Player.prototype.supportsFullScreen = function supportsFullScreen() {
+    return this.techGet_('supportsFullScreen') || false;
+  };
+
+  /**
+   * Check if the player is in fullscreen mode or tell the player that it
+   * is or is not in fullscreen mode.
+   *
+   * > NOTE: As of the latest HTML5 spec, isFullscreen is no longer an official
+   * property and instead document.fullscreenElement is used. But isFullscreen is
+   * still a valuable property for internal player workings.
+   *
+   * @param  {boolean} [isFS]
+   *         Set the players current fullscreen state
+   *
+   * @return {boolean}
+   *         - true if fullscreen is on and getting
+   *         - false if fullscreen is off and getting
+   */
+
+
+  Player.prototype.isFullscreen = function isFullscreen(isFS) {
+    if (isFS !== undefined) {
+      this.isFullscreen_ = !!isFS;
+      return;
+    }
+    return !!this.isFullscreen_;
+  };
+
+  /**
+   * Increase the size of the video to full screen
+   * In some browsers, full screen is not supported natively, so it enters
+   * "full window mode", where the video fills the browser window.
+   * In browsers and devices that support native full screen, sometimes the
+   * browser's default controls will be shown, and not the Video.js custom skin.
+   * This includes most mobile devices (iOS, Android) and older versions of
+   * Safari.
+   *
+   * @fires Player#fullscreenchange
+   */
+
+
+  Player.prototype.requestFullscreen = function requestFullscreen() {
+    var fsApi = FullscreenApi;
+
+    this.isFullscreen(true);
+
+    if (fsApi.requestFullscreen) {
+      // the browser supports going fullscreen at the element level so we can
+      // take the controls fullscreen as well as the video
+
+      // Trigger fullscreenchange event after change
+      // We have to specifically add this each time, and remove
+      // when canceling fullscreen. Otherwise if there's multiple
+      // players on a page, they would all be reacting to the same fullscreen
+      // events
+      on(document, fsApi.fullscreenchange, bind(this, function documentFullscreenChange(e) {
+        this.isFullscreen(document[fsApi.fullscreenElement]);
+
+        // If cancelling fullscreen, remove event listener.
+        if (this.isFullscreen() === false) {
+          off(document, fsApi.fullscreenchange, documentFullscreenChange);
+        }
+        /**
+         * @event Player#fullscreenchange
+         * @type {EventTarget~Event}
+         */
+        this.trigger('fullscreenchange');
+      }));
+
+      this.el_[fsApi.requestFullscreen]();
+    } else if (this.tech_.supportsFullScreen()) {
+      // we can't take the video.js controls fullscreen but we can go fullscreen
+      // with native controls
+      this.techCall_('enterFullScreen');
+    } else {
+      // fullscreen isn't supported so we'll just stretch the video element to
+      // fill the viewport
+      this.enterFullWindow();
+      /**
+       * @event Player#fullscreenchange
+       * @type {EventTarget~Event}
+       */
+      this.trigger('fullscreenchange');
+    }
+  };
+
+  /**
+   * Return the video to its normal size after having been in full screen mode
+   *
+   * @fires Player#fullscreenchange
+   */
+
+
+  Player.prototype.exitFullscreen = function exitFullscreen() {
+    var fsApi = FullscreenApi;
+
+    this.isFullscreen(false);
+
+    // Check for browser element fullscreen support
+    if (fsApi.requestFullscreen) {
+      document[fsApi.exitFullscreen]();
+    } else if (this.tech_.supportsFullScreen()) {
+      this.techCall_('exitFullScreen');
+    } else {
+      this.exitFullWindow();
+      /**
+       * @event Player#fullscreenchange
+       * @type {EventTarget~Event}
+       */
+      this.trigger('fullscreenchange');
+    }
+  };
+
+  /**
+   * When fullscreen isn't supported we can stretch the
+   * video container to as wide as the browser will let us.
+   *
+   * @fires Player#enterFullWindow
+   */
+
+
+  Player.prototype.enterFullWindow = function enterFullWindow() {
+    this.isFullWindow = true;
+
+    // Storing original doc overflow value to return to when fullscreen is off
+    this.docOrigOverflow = document.documentElement.style.overflow;
+
+    // Add listener for esc key to exit fullscreen
+    on(document, 'keydown', bind(this, this.fullWindowOnEscKey));
+
+    // Hide any scroll bars
+    document.documentElement.style.overflow = 'hidden';
+
+    // Apply fullscreen styles
+    addClass(document.body, 'vjs-full-window');
+
+    /**
+     * @event Player#enterFullWindow
+     * @type {EventTarget~Event}
+     */
+    this.trigger('enterFullWindow');
+  };
+
+  /**
+   * Check for call to either exit full window or
+   * full screen on ESC key
+   *
+   * @param {string} event
+   *        Event to check for key press
+   */
+
+
+  Player.prototype.fullWindowOnEscKey = function fullWindowOnEscKey(event) {
+    if (event.keyCode === 27) {
+      if (this.isFullscreen() === true) {
+        this.exitFullscreen();
+      } else {
+        this.exitFullWindow();
+      }
+    }
+  };
+
+  /**
+   * Exit full window
+   *
+   * @fires Player#exitFullWindow
+   */
+
+
+  Player.prototype.exitFullWindow = function exitFullWindow() {
+    this.isFullWindow = false;
+    off(document, 'keydown', this.fullWindowOnEscKey);
+
+    // Unhide scroll bars.
+    document.documentElement.style.overflow = this.docOrigOverflow;
+
+    // Remove fullscreen styles
+    removeClass(document.body, 'vjs-full-window');
+
+    // Resize the box, controller, and poster to original sizes
+    // this.positionAll();
+    /**
+     * @event Player#exitFullWindow
+     * @type {EventTarget~Event}
+     */
+    this.trigger('exitFullWindow');
+  };
+
+  /**
+   * Check whether the player can play a given mimetype
+   *
+   * @see https://www.w3.org/TR/2011/WD-html5-20110113/video.html#dom-navigator-canplaytype
+   *
+   * @param {string} type
+   *        The mimetype to check
+   *
+   * @return {string}
+   *         'probably', 'maybe', or '' (empty string)
+   */
+
+
+  Player.prototype.canPlayType = function canPlayType(type) {
+    var can = void 0;
+
+    // Loop through each playback technology in the options order
+    for (var i = 0, j = this.options_.techOrder; i < j.length; i++) {
+      var techName = j[i];
+      var tech = Tech.getTech(techName);
+
+      // Support old behavior of techs being registered as components.
+      // Remove once that deprecated behavior is removed.
+      if (!tech) {
+        tech = Component.getComponent(techName);
+      }
+
+      // Check if the current tech is defined before continuing
+      if (!tech) {
+        log$1.error('The "' + techName + '" tech is undefined. Skipped browser support check for that tech.');
+        continue;
+      }
+
+      // Check if the browser supports this technology
+      if (tech.isSupported()) {
+        can = tech.canPlayType(type);
+
+        if (can) {
+          return can;
+        }
+      }
+    }
+
+    return '';
+  };
+
+  /**
+   * Select source based on tech-order or source-order
+   * Uses source-order selection if `options.sourceOrder` is truthy. Otherwise,
+   * defaults to tech-order selection
+   *
+   * @param {Array} sources
+   *        The sources for a media asset
+   *
+   * @return {Object|boolean}
+   *         Object of source and tech order or false
+   */
+
+
+  Player.prototype.selectSource = function selectSource(sources) {
+    var _this9 = this;
+
+    // Get only the techs specified in `techOrder` that exist and are supported by the
+    // current platform
+    var techs = this.options_.techOrder.map(function (techName) {
+      return [techName, Tech.getTech(techName)];
+    }).filter(function (_ref) {
+      var techName = _ref[0],
+          tech = _ref[1];
+
+      // Check if the current tech is defined before continuing
+      if (tech) {
+        // Check if the browser supports this technology
+        return tech.isSupported();
+      }
+
+      log$1.error('The "' + techName + '" tech is undefined. Skipped browser support check for that tech.');
+      return false;
+    });
+
+    // Iterate over each `innerArray` element once per `outerArray` element and execute
+    // `tester` with both. If `tester` returns a non-falsy value, exit early and return
+    // that value.
+    var findFirstPassingTechSourcePair = function findFirstPassingTechSourcePair(outerArray, innerArray, tester) {
+      var found = void 0;
+
+      outerArray.some(function (outerChoice) {
+        return innerArray.some(function (innerChoice) {
+          found = tester(outerChoice, innerChoice);
+
+          if (found) {
+            return true;
+          }
+        });
+      });
+
+      return found;
+    };
+
+    var foundSourceAndTech = void 0;
+    var flip = function flip(fn) {
+      return function (a, b) {
+        return fn(b, a);
+      };
+    };
+    var finder = function finder(_ref2, source) {
+      var techName = _ref2[0],
+          tech = _ref2[1];
+
+      if (tech.canPlaySource(source, _this9.options_[techName.toLowerCase()])) {
+        return { source: source, tech: techName };
+      }
+    };
+
+    // Depending on the truthiness of `options.sourceOrder`, we swap the order of techs and sources
+    // to select from them based on their priority.
+    if (this.options_.sourceOrder) {
+      // Source-first ordering
+      foundSourceAndTech = findFirstPassingTechSourcePair(sources, techs, flip(finder));
+    } else {
+      // Tech-first ordering
+      foundSourceAndTech = findFirstPassingTechSourcePair(techs, sources, finder);
+    }
+
+    return foundSourceAndTech || false;
+  };
+
+  /**
+   * Get or set the video source.
+   *
+   * @param {Tech~SourceObject|Tech~SourceObject[]|string} [source]
+   *        A SourceObject, an array of SourceObjects, or a string referencing
+   *        a URL to a media source. It is _highly recommended_ that an object
+   *        or array of objects is used here, so that source selection
+   *        algorithms can take the `type` into account.
+   *
+   *        If not provided, this method acts as a getter.
+   *
+   * @return {string|undefined}
+   *         If the `source` argument is missing, returns the current source
+   *         URL. Otherwise, returns nothing/undefined.
+   */
+
+
+  Player.prototype.src = function src(source) {
+    var _this10 = this;
+
+    // getter usage
+    if (typeof source === 'undefined') {
+      return this.cache_.src || '';
+    }
+    // filter out invalid sources and turn our source into
+    // an array of source objects
+    var sources = filterSource(source);
+
+    // if a source was passed in then it is invalid because
+    // it was filtered to a zero length Array. So we have to
+    // show an error
+    if (!sources.length) {
+      this.setTimeout(function () {
+        this.error({ code: 4, message: this.localize(this.options_.notSupportedMessage) });
+      }, 0);
+      return;
+    }
+
+    // intial sources
+    this.changingSrc_ = true;
+
+    this.cache_.sources = sources;
+    this.updateSourceCaches_(sources[0]);
+
+    // middlewareSource is the source after it has been changed by middleware
+    setSource(this, sources[0], function (middlewareSource, mws) {
+      _this10.middleware_ = mws;
+
+      // since sourceSet is async we have to update the cache again after we select a source since
+      // the source that is selected could be out of order from the cache update above this callback.
+      _this10.cache_.sources = sources;
+      _this10.updateSourceCaches_(middlewareSource);
+
+      var err = _this10.src_(middlewareSource);
+
+      if (err) {
+        if (sources.length > 1) {
+          return _this10.src(sources.slice(1));
+        }
+
+        _this10.changingSrc_ = false;
+
+        // We need to wrap this in a timeout to give folks a chance to add error event handlers
+        _this10.setTimeout(function () {
+          this.error({ code: 4, message: this.localize(this.options_.notSupportedMessage) });
+        }, 0);
+
+        // we could not find an appropriate tech, but let's still notify the delegate that this is it
+        // this needs a better comment about why this is needed
+        _this10.triggerReady();
+
+        return;
+      }
+
+      setTech(mws, _this10.tech_);
+    });
+  };
+
+  /**
+   * Set the source object on the tech, returns a boolean that indicates whether
+   * there is a tech that can play the source or not
+   *
+   * @param {Tech~SourceObject} source
+   *        The source object to set on the Tech
+   *
+   * @return {Boolean}
+   *         - True if there is no Tech to playback this source
+   *         - False otherwise
+   *
+   * @private
+   */
+
+
+  Player.prototype.src_ = function src_(source) {
+    var _this11 = this;
+
+    var sourceTech = this.selectSource([source]);
+
+    if (!sourceTech) {
+      return true;
+    }
+
+    if (!titleCaseEquals(sourceTech.tech, this.techName_)) {
+      this.changingSrc_ = true;
+      // load this technology with the chosen source
+      this.loadTech_(sourceTech.tech, sourceTech.source);
+      this.tech_.ready(function () {
+        _this11.changingSrc_ = false;
+      });
+      return false;
+    }
+
+    // wait until the tech is ready to set the source
+    // and set it synchronously if possible (#2326)
+    this.ready(function () {
+
+      // The setSource tech method was added with source handlers
+      // so older techs won't support it
+      // We need to check the direct prototype for the case where subclasses
+      // of the tech do not support source handlers
+      if (this.tech_.constructor.prototype.hasOwnProperty('setSource')) {
+        this.techCall_('setSource', source);
+      } else {
+        this.techCall_('src', source.src);
+      }
+
+      this.changingSrc_ = false;
+    }, true);
+
+    return false;
+  };
+
+  /**
+   * Begin loading the src data.
+   */
+
+
+  Player.prototype.load = function load() {
+    this.techCall_('load');
+  };
+
+  /**
+   * Reset the player. Loads the first tech in the techOrder,
+   * and calls `reset` on the tech`.
+   */
+
+
+  Player.prototype.reset = function reset() {
+    if (this.tech_) {
+      this.tech_.clearTracks('text');
+    }
+    this.loadTech_(this.options_.techOrder[0], null);
+    this.techCall_('reset');
+  };
+
+  /**
+   * Returns all of the current source objects.
+   *
+   * @return {Tech~SourceObject[]}
+   *         The current source objects
+   */
+
+
+  Player.prototype.currentSources = function currentSources() {
+    var source = this.currentSource();
+    var sources = [];
+
+    // assume `{}` or `{ src }`
+    if (Object.keys(source).length !== 0) {
+      sources.push(source);
+    }
+
+    return this.cache_.sources || sources;
+  };
+
+  /**
+   * Returns the current source object.
+   *
+   * @return {Tech~SourceObject}
+   *         The current source object
+   */
+
+
+  Player.prototype.currentSource = function currentSource() {
+    return this.cache_.source || {};
+  };
+
+  /**
+   * Returns the fully qualified URL of the current source value e.g. http://mysite.com/video.mp4
+   * Can be used in conjunction with `currentType` to assist in rebuilding the current source object.
+   *
+   * @return {string}
+   *         The current source
+   */
+
+
+  Player.prototype.currentSrc = function currentSrc() {
+    return this.currentSource() && this.currentSource().src || '';
+  };
+
+  /**
+   * Get the current source type e.g. video/mp4
+   * This can allow you rebuild the current source object so that you could load the same
+   * source and tech later
+   *
+   * @return {string}
+   *         The source MIME type
+   */
+
+
+  Player.prototype.currentType = function currentType() {
+    return this.currentSource() && this.currentSource().type || '';
+  };
+
+  /**
+   * Get or set the preload attribute
+   *
+   * @param {boolean} [value]
+   *        - true means that we should preload
+   *        - false means that we should not preload
+   *
+   * @return {string}
+   *         The preload attribute value when getting
+   */
+
+
+  Player.prototype.preload = function preload(value) {
+    if (value !== undefined) {
+      this.techCall_('setPreload', value);
+      this.options_.preload = value;
+      return;
+    }
+    return this.techGet_('preload');
+  };
+
+  /**
+   * Get or set the autoplay option. When this is a boolean it will
+   * modify the attribute on the tech. When this is a string the attribute on
+   * the tech will be removed and `Player` will handle autoplay on loadstarts.
+   *
+   * @param {boolean|string} [value]
+   *        - true: autoplay using the browser behavior
+   *        - false: do not autoplay
+   *        - 'play': call play() on every loadstart
+   *        - 'muted': call muted() then play() on every loadstart
+   *        - 'any': call play() on every loadstart. if that fails call muted() then play().
+   *        - *: values other than those listed here will be set `autoplay` to true
+   *
+   * @return {boolean|string}
+   *         The current value of autoplay when getting
+   */
+
+
+  Player.prototype.autoplay = function autoplay(value) {
+    // getter usage
+    if (value === undefined) {
+      return this.options_.autoplay || false;
+    }
+
+    var techAutoplay = void 0;
+
+    // if the value is a valid string set it to that
+    if (typeof value === 'string' && /(any|play|muted)/.test(value)) {
+      this.options_.autoplay = value;
+      this.manualAutoplay_(value);
+      techAutoplay = false;
+
+      // any falsy value sets autoplay to false in the browser,
+      // lets do the same
+    } else if (!value) {
+      this.options_.autoplay = false;
+
+      // any other value (ie truthy) sets autoplay to true
+    } else {
+      this.options_.autoplay = true;
+    }
+
+    techAutoplay = techAutoplay || this.options_.autoplay;
+
+    // if we don't have a tech then we do not queue up
+    // a setAutoplay call on tech ready. We do this because the
+    // autoplay option will be passed in the constructor and we
+    // do not need to set it twice
+    if (this.tech_) {
+      this.techCall_('setAutoplay', techAutoplay);
+    }
+  };
+
+  /**
+   * Set or unset the playsinline attribute.
+   * Playsinline tells the browser that non-fullscreen playback is preferred.
+   *
+   * @param {boolean} [value]
+   *        - true means that we should try to play inline by default
+   *        - false means that we should use the browser's default playback mode,
+   *          which in most cases is inline. iOS Safari is a notable exception
+   *          and plays fullscreen by default.
+   *
+   * @return {string|Player}
+   *         - the current value of playsinline
+   *         - the player when setting
+   *
+   * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
+   */
+
+
+  Player.prototype.playsinline = function playsinline(value) {
+    if (value !== undefined) {
+      this.techCall_('setPlaysinline', value);
+      this.options_.playsinline = value;
+      return this;
+    }
+    return this.techGet_('playsinline');
+  };
+
+  /**
+   * Get or set the loop attribute on the video element.
+   *
+   * @param {boolean} [value]
+   *        - true means that we should loop the video
+   *        - false means that we should not loop the video
+   *
+   * @return {string}
+   *         The current value of loop when getting
+   */
+
+
+  Player.prototype.loop = function loop(value) {
+    if (value !== undefined) {
+      this.techCall_('setLoop', value);
+      this.options_.loop = value;
+      return;
+    }
+    return this.techGet_('loop');
+  };
+
+  /**
+   * Get or set the poster image source url
+   *
+   * @fires Player#posterchange
+   *
+   * @param {string} [src]
+   *        Poster image source URL
+   *
+   * @return {string}
+   *         The current value of poster when getting
+   */
+
+
+  Player.prototype.poster = function poster(src) {
+    if (src === undefined) {
+      return this.poster_;
+    }
+
+    // The correct way to remove a poster is to set as an empty string
+    // other falsey values will throw errors
+    if (!src) {
+      src = '';
+    }
+
+    if (src === this.poster_) {
+      return;
+    }
+
+    // update the internal poster variable
+    this.poster_ = src;
+
+    // update the tech's poster
+    this.techCall_('setPoster', src);
+
+    this.isPosterFromTech_ = false;
+
+    // alert components that the poster has been set
+    /**
+     * This event fires when the poster image is changed on the player.
+     *
+     * @event Player#posterchange
+     * @type {EventTarget~Event}
+     */
+    this.trigger('posterchange');
+  };
+
+  /**
+   * Some techs (e.g. YouTube) can provide a poster source in an
+   * asynchronous way. We want the poster component to use this
+   * poster source so that it covers up the tech's controls.
+   * (YouTube's play button). However we only want to use this
+   * source if the player user hasn't set a poster through
+   * the normal APIs.
+   *
+   * @fires Player#posterchange
+   * @listens Tech#posterchange
+   * @private
+   */
+
+
+  Player.prototype.handleTechPosterChange_ = function handleTechPosterChange_() {
+    if ((!this.poster_ || this.options_.techCanOverridePoster) && this.tech_ && this.tech_.poster) {
+      var newPoster = this.tech_.poster() || '';
+
+      if (newPoster !== this.poster_) {
+        this.poster_ = newPoster;
+        this.isPosterFromTech_ = true;
+
+        // Let components know the poster has changed
+        this.trigger('posterchange');
+      }
+    }
+  };
+
+  /**
+   * Get or set whether or not the controls are showing.
+   *
+   * @fires Player#controlsenabled
+   *
+   * @param {boolean} [bool]
+   *        - true to turn controls on
+   *        - false to turn controls off
+   *
+   * @return {boolean}
+   *         The current value of controls when getting
+   */
+
+
+  Player.prototype.controls = function controls(bool) {
+    if (bool === undefined) {
+      return !!this.controls_;
+    }
+
+    bool = !!bool;
+
+    // Don't trigger a change event unless it actually changed
+    if (this.controls_ === bool) {
+      return;
+    }
+
+    this.controls_ = bool;
+
+    if (this.usingNativeControls()) {
+      this.techCall_('setControls', bool);
+    }
+
+    if (this.controls_) {
+      this.removeClass('vjs-controls-disabled');
+      this.addClass('vjs-controls-enabled');
+      /**
+       * @event Player#controlsenabled
+       * @type {EventTarget~Event}
+       */
+      this.trigger('controlsenabled');
+      if (!this.usingNativeControls()) {
+        this.addTechControlsListeners_();
+      }
+    } else {
+      this.removeClass('vjs-controls-enabled');
+      this.addClass('vjs-controls-disabled');
+      /**
+       * @event Player#controlsdisabled
+       * @type {EventTarget~Event}
+       */
+      this.trigger('controlsdisabled');
+      if (!this.usingNativeControls()) {
+        this.removeTechControlsListeners_();
+      }
+    }
+  };
+
+  /**
+   * Toggle native controls on/off. Native controls are the controls built into
+   * devices (e.g. default iPhone controls), Flash, or other techs
+   * (e.g. Vimeo Controls)
+   * **This should only be set by the current tech, because only the tech knows
+   * if it can support native controls**
+   *
+   * @fires Player#usingnativecontrols
+   * @fires Player#usingcustomcontrols
+   *
+   * @param {boolean} [bool]
+   *        - true to turn native controls on
+   *        - false to turn native controls off
+   *
+   * @return {boolean}
+   *         The current value of native controls when getting
+   */
+
+
+  Player.prototype.usingNativeControls = function usingNativeControls(bool) {
+    if (bool === undefined) {
+      return !!this.usingNativeControls_;
+    }
+
+    bool = !!bool;
+
+    // Don't trigger a change event unless it actually changed
+    if (this.usingNativeControls_ === bool) {
+      return;
+    }
+
+    this.usingNativeControls_ = bool;
+
+    if (this.usingNativeControls_) {
+      this.addClass('vjs-using-native-controls');
+
+      /**
+       * player is using the native device controls
+       *
+       * @event Player#usingnativecontrols
+       * @type {EventTarget~Event}
+       */
+      this.trigger('usingnativecontrols');
+    } else {
+      this.removeClass('vjs-using-native-controls');
+
+      /**
+       * player is using the custom HTML controls
+       *
+       * @event Player#usingcustomcontrols
+       * @type {EventTarget~Event}
+       */
+      this.trigger('usingcustomcontrols');
+    }
+  };
+
+  /**
+   * Set or get the current MediaError
+   *
+   * @fires Player#error
+   *
+   * @param  {MediaError|string|number} [err]
+   *         A MediaError or a string/number to be turned
+   *         into a MediaError
+   *
+   * @return {MediaError|null}
+   *         The current MediaError when getting (or null)
+   */
+
+
+  Player.prototype.error = function error(err) {
+    if (err === undefined) {
+      return this.error_ || null;
+    }
+
+    // restoring to default
+    if (err === null) {
+      this.error_ = err;
+      this.removeClass('vjs-error');
+      if (this.errorDisplay) {
+        this.errorDisplay.close();
+      }
+      return;
+    }
+
+    this.error_ = new MediaError(err);
+
+    // add the vjs-error classname to the player
+    this.addClass('vjs-error');
+
+    // log the name of the error type and any message
+    // IE11 logs "[object object]" and required you to expand message to see error object
+    log$1.error('(CODE:' + this.error_.code + ' ' + MediaError.errorTypes[this.error_.code] + ')', this.error_.message, this.error_);
+
+    /**
+     * @event Player#error
+     * @type {EventTarget~Event}
+     */
+    this.trigger('error');
+
+    return;
+  };
+
+  /**
+   * Report user activity
+   *
+   * @param {Object} event
+   *        Event object
+   */
+
+
+  Player.prototype.reportUserActivity = function reportUserActivity(event) {
+    this.userActivity_ = true;
+  };
+
+  /**
+   * Get/set if user is active
+   *
+   * @fires Player#useractive
+   * @fires Player#userinactive
+   *
+   * @param {boolean} [bool]
+   *        - true if the user is active
+   *        - false if the user is inactive
+   *
+   * @return {boolean}
+   *         The current value of userActive when getting
+   */
+
+
+  Player.prototype.userActive = function userActive(bool) {
+    if (bool === undefined) {
+      return this.userActive_;
+    }
+
+    bool = !!bool;
+
+    if (bool === this.userActive_) {
+      return;
+    }
+
+    this.userActive_ = bool;
+
+    if (this.userActive_) {
+      this.userActivity_ = true;
+      this.removeClass('vjs-user-inactive');
+      this.addClass('vjs-user-active');
+      /**
+       * @event Player#useractive
+       * @type {EventTarget~Event}
+       */
+      this.trigger('useractive');
+      return;
+    }
+
+    // Chrome/Safari/IE have bugs where when you change the cursor it can
+    // trigger a mousemove event. This causes an issue when you're hiding
+    // the cursor when the user is inactive, and a mousemove signals user
+    // activity. Making it impossible to go into inactive mode. Specifically
+    // this happens in fullscreen when we really need to hide the cursor.
+    //
+    // When this gets resolved in ALL browsers it can be removed
+    // https://code.google.com/p/chromium/issues/detail?id=103041
+    if (this.tech_) {
+      this.tech_.one('mousemove', function (e) {
+        e.stopPropagation();
+        e.preventDefault();
+      });
+    }
+
+    this.userActivity_ = false;
+    this.removeClass('vjs-user-active');
+    this.addClass('vjs-user-inactive');
+    /**
+     * @event Player#userinactive
+     * @type {EventTarget~Event}
+     */
+    this.trigger('userinactive');
+  };
+
+  /**
+   * Listen for user activity based on timeout value
+   *
+   * @private
+   */
+
+
+  Player.prototype.listenForUserActivity_ = function listenForUserActivity_() {
+    var mouseInProgress = void 0;
+    var lastMoveX = void 0;
+    var lastMoveY = void 0;
+    var handleActivity = bind(this, this.reportUserActivity);
+
+    var handleMouseMove = function handleMouseMove(e) {
+      // #1068 - Prevent mousemove spamming
+      // Chrome Bug: https://code.google.com/p/chromium/issues/detail?id=366970
+      if (e.screenX !== lastMoveX || e.screenY !== lastMoveY) {
+        lastMoveX = e.screenX;
+        lastMoveY = e.screenY;
+        handleActivity();
+      }
+    };
+
+    var handleMouseDown = function handleMouseDown() {
+      handleActivity();
+      // For as long as the they are touching the device or have their mouse down,
+      // we consider them active even if they're not moving their finger or mouse.
+      // So we want to continue to update that they are active
+      this.clearInterval(mouseInProgress);
+      // Setting userActivity=true now and setting the interval to the same time
+      // as the activityCheck interval (250) should ensure we never miss the
+      // next activityCheck
+      mouseInProgress = this.setInterval(handleActivity, 250);
+    };
+
+    var handleMouseUp = function handleMouseUp(event) {
+      handleActivity();
+      // Stop the interval that maintains activity if the mouse/touch is down
+      this.clearInterval(mouseInProgress);
+    };
+
+    // Any mouse movement will be considered user activity
+    this.on('mousedown', handleMouseDown);
+    this.on('mousemove', handleMouseMove);
+    this.on('mouseup', handleMouseUp);
+
+    // Listen for keyboard navigation
+    // Shouldn't need to use inProgress interval because of key repeat
+    this.on('keydown', handleActivity);
+    this.on('keyup', handleActivity);
+
+    // Run an interval every 250 milliseconds instead of stuffing everything into
+    // the mousemove/touchmove function itself, to prevent performance degradation.
+    // `this.reportUserActivity` simply sets this.userActivity_ to true, which
+    // then gets picked up by this loop
+    // http://ejohn.org/blog/learning-from-twitter/
+    var inactivityTimeout = void 0;
+
+    this.setInterval(function () {
+      // Check to see if mouse/touch activity has happened
+      if (!this.userActivity_) {
+        return;
+      }
+
+      // Reset the activity tracker
+      this.userActivity_ = false;
+
+      // If the user state was inactive, set the state to active
+      this.userActive(true);
+
+      // Clear any existing inactivity timeout to start the timer over
+      this.clearTimeout(inactivityTimeout);
+
+      var timeout = this.options_.inactivityTimeout;
+
+      if (timeout <= 0) {
+        return;
+      }
+
+      // In <timeout> milliseconds, if no more activity has occurred the
+      // user will be considered inactive
+      inactivityTimeout = this.setTimeout(function () {
+        // Protect against the case where the inactivityTimeout can trigger just
+        // before the next user activity is picked up by the activity check loop
+        // causing a flicker
+        if (!this.userActivity_) {
+          this.userActive(false);
+        }
+      }, timeout);
+    }, 250);
+  };
+
+  /**
+   * Gets or sets the current playback rate. A playback rate of
+   * 1.0 represents normal speed and 0.5 would indicate half-speed
+   * playback, for instance.
+   *
+   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-playbackrate
+   *
+   * @param {number} [rate]
+   *       New playback rate to set.
+   *
+   * @return {number}
+   *         The current playback rate when getting or 1.0
+   */
+
+
+  Player.prototype.playbackRate = function playbackRate(rate) {
+    if (rate !== undefined) {
+      // NOTE: this.cache_.lastPlaybackRate is set from the tech handler
+      // that is registered above
+      this.techCall_('setPlaybackRate', rate);
+      return;
+    }
+
+    if (this.tech_ && this.tech_.featuresPlaybackRate) {
+      return this.cache_.lastPlaybackRate || this.techGet_('playbackRate');
+    }
+    return 1.0;
+  };
+
+  /**
+   * Gets or sets the current default playback rate. A default playback rate of
+   * 1.0 represents normal speed and 0.5 would indicate half-speed playback, for instance.
+   * defaultPlaybackRate will only represent what the initial playbackRate of a video was, not
+   * not the current playbackRate.
+   *
+   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-defaultplaybackrate
+   *
+   * @param {number} [rate]
+   *       New default playback rate to set.
+   *
+   * @return {number|Player}
+   *         - The default playback rate when getting or 1.0
+   *         - the player when setting
+   */
+
+
+  Player.prototype.defaultPlaybackRate = function defaultPlaybackRate(rate) {
+    if (rate !== undefined) {
+      return this.techCall_('setDefaultPlaybackRate', rate);
+    }
+
+    if (this.tech_ && this.tech_.featuresPlaybackRate) {
+      return this.techGet_('defaultPlaybackRate');
+    }
+    return 1.0;
+  };
+
+  /**
+   * Gets or sets the audio flag
+   *
+   * @param {boolean} bool
+   *        - true signals that this is an audio player
+   *        - false signals that this is not an audio player
+   *
+   * @return {boolean}
+   *         The current value of isAudio when getting
+   */
+
+
+  Player.prototype.isAudio = function isAudio(bool) {
+    if (bool !== undefined) {
+      this.isAudio_ = !!bool;
+      return;
+    }
+
+    return !!this.isAudio_;
+  };
+
+  /**
+   * A helper method for adding a {@link TextTrack} to our
+   * {@link TextTrackList}.
+   *
+   * In addition to the W3C settings we allow adding additional info through options.
+   *
+   * @see http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-addtexttrack
+   *
+   * @param {string} [kind]
+   *        the kind of TextTrack you are adding
+   *
+   * @param {string} [label]
+   *        the label to give the TextTrack label
+   *
+   * @param {string} [language]
+   *        the language to set on the TextTrack
+   *
+   * @return {TextTrack|undefined}
+   *         the TextTrack that was added or undefined
+   *         if there is no tech
+   */
+
+
+  Player.prototype.addTextTrack = function addTextTrack(kind, label, language) {
+    if (this.tech_) {
+      return this.tech_.addTextTrack(kind, label, language);
+    }
+  };
+
+  /**
+   * Create a remote {@link TextTrack} and an {@link HTMLTrackElement}. It will
+   * automatically removed from the video element whenever the source changes, unless
+   * manualCleanup is set to false.
+   *
+   * @param {Object} options
+   *        Options to pass to {@link HTMLTrackElement} during creation. See
+   *        {@link HTMLTrackElement} for object properties that you should use.
+   *
+   * @param {boolean} [manualCleanup=true] if set to false, the TextTrack will be
+   *
+   * @return {HtmlTrackElement}
+   *         the HTMLTrackElement that was created and added
+   *         to the HtmlTrackElementList and the remote
+   *         TextTrackList
+   *
+   * @deprecated The default value of the "manualCleanup" parameter will default
+   *             to "false" in upcoming versions of Video.js
+   */
+
+
+  Player.prototype.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {
+    if (this.tech_) {
+      return this.tech_.addRemoteTextTrack(options, manualCleanup);
+    }
+  };
+
+  /**
+   * Remove a remote {@link TextTrack} from the respective
+   * {@link TextTrackList} and {@link HtmlTrackElementList}.
+   *
+   * @param {Object} track
+   *        Remote {@link TextTrack} to remove
+   *
+   * @return {undefined}
+   *         does not return anything
+   */
+
+
+  Player.prototype.removeRemoteTextTrack = function removeRemoteTextTrack() {
+    var _ref3 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+        _ref3$track = _ref3.track,
+        track = _ref3$track === undefined ? arguments[0] : _ref3$track;
+
+    // destructure the input into an object with a track argument, defaulting to arguments[0]
+    // default the whole argument to an empty object if nothing was passed in
+
+    if (this.tech_) {
+      return this.tech_.removeRemoteTextTrack(track);
+    }
+  };
+
+  /**
+   * Gets available media playback quality metrics as specified by the W3C's Media
+   * Playback Quality API.
+   *
+   * @see [Spec]{@link https://wicg.github.io/media-playback-quality}
+   *
+   * @return {Object|undefined}
+   *         An object with supported media playback quality metrics or undefined if there
+   *         is no tech or the tech does not support it.
+   */
+
+
+  Player.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() {
+    return this.techGet_('getVideoPlaybackQuality');
+  };
+
+  /**
+   * Get video width
+   *
+   * @return {number}
+   *         current video width
+   */
+
+
+  Player.prototype.videoWidth = function videoWidth() {
+    return this.tech_ && this.tech_.videoWidth && this.tech_.videoWidth() || 0;
+  };
+
+  /**
+   * Get video height
+   *
+   * @return {number}
+   *         current video height
+   */
+
+
+  Player.prototype.videoHeight = function videoHeight() {
+    return this.tech_ && this.tech_.videoHeight && this.tech_.videoHeight() || 0;
+  };
+
+  /**
+   * The player's language code
+   * NOTE: The language should be set in the player options if you want the
+   * the controls to be built with a specific language. Changing the language
+   * later will not update controls text.
+   *
+   * @param {string} [code]
+   *        the language code to set the player to
+   *
+   * @return {string}
+   *         The current language code when getting
+   */
+
+
+  Player.prototype.language = function language(code) {
+    if (code === undefined) {
+      return this.language_;
+    }
+
+    this.language_ = String(code).toLowerCase();
+  };
+
+  /**
+   * Get the player's language dictionary
+   * Merge every time, because a newly added plugin might call videojs.addLanguage() at any time
+   * Languages specified directly in the player options have precedence
+   *
+   * @return {Array}
+   *         An array of of supported languages
+   */
+
+
+  Player.prototype.languages = function languages() {
+    return mergeOptions(Player.prototype.options_.languages, this.languages_);
+  };
+
+  /**
+   * returns a JavaScript object reperesenting the current track
+   * information. **DOES not return it as JSON**
+   *
+   * @return {Object}
+   *         Object representing the current of track info
+   */
+
+
+  Player.prototype.toJSON = function toJSON() {
+    var options = mergeOptions(this.options_);
+    var tracks = options.tracks;
+
+    options.tracks = [];
+
+    for (var i = 0; i < tracks.length; i++) {
+      var track = tracks[i];
+
+      // deep merge tracks and null out player so no circular references
+      track = mergeOptions(track);
+      track.player = undefined;
+      options.tracks[i] = track;
+    }
+
+    return options;
+  };
+
+  /**
+   * Creates a simple modal dialog (an instance of the {@link ModalDialog}
+   * component) that immediately overlays the player with arbitrary
+   * content and removes itself when closed.
+   *
+   * @param {string|Function|Element|Array|null} content
+   *        Same as {@link ModalDialog#content}'s param of the same name.
+   *        The most straight-forward usage is to provide a string or DOM
+   *        element.
+   *
+   * @param {Object} [options]
+   *        Extra options which will be passed on to the {@link ModalDialog}.
+   *
+   * @return {ModalDialog}
+   *         the {@link ModalDialog} that was created
+   */
+
+
+  Player.prototype.createModal = function createModal(content, options) {
+    var _this12 = this;
+
+    options = options || {};
+    options.content = content || '';
+
+    var modal = new ModalDialog(this, options);
+
+    this.addChild(modal);
+    modal.on('dispose', function () {
+      _this12.removeChild(modal);
+    });
+
+    modal.open();
+    return modal;
+  };
+
+  /**
+   * Gets tag settings
+   *
+   * @param {Element} tag
+   *        The player tag
+   *
+   * @return {Object}
+   *         An object containing all of the settings
+   *         for a player tag
+   */
+
+
+  Player.getTagSettings = function getTagSettings(tag) {
+    var baseOptions = {
+      sources: [],
+      tracks: []
+    };
+
+    var tagOptions = getAttributes(tag);
+    var dataSetup = tagOptions['data-setup'];
+
+    if (hasClass(tag, 'vjs-fluid')) {
+      tagOptions.fluid = true;
+    }
+
+    // Check if data-setup attr exists.
+    if (dataSetup !== null) {
+      // Parse options JSON
+      // If empty string, make it a parsable json object.
+      var _safeParseTuple = safeParseTuple(dataSetup || '{}'),
+          err = _safeParseTuple[0],
+          data = _safeParseTuple[1];
+
+      if (err) {
+        log$1.error(err);
+      }
+      assign(tagOptions, data);
+    }
+
+    assign(baseOptions, tagOptions);
+
+    // Get tag children settings
+    if (tag.hasChildNodes()) {
+      var children = tag.childNodes;
+
+      for (var i = 0, j = children.length; i < j; i++) {
+        var child = children[i];
+        // Change case needed: http://ejohn.org/blog/nodename-case-sensitivity/
+        var childName = child.nodeName.toLowerCase();
+
+        if (childName === 'source') {
+          baseOptions.sources.push(getAttributes(child));
+        } else if (childName === 'track') {
+          baseOptions.tracks.push(getAttributes(child));
+        }
+      }
+    }
+
+    return baseOptions;
+  };
+
+  /**
+   * Determine whether or not flexbox is supported
+   *
+   * @return {boolean}
+   *         - true if flexbox is supported
+   *         - false if flexbox is not supported
+   */
+
+
+  Player.prototype.flexNotSupported_ = function flexNotSupported_() {
+    var elem = document.createElement('i');
+
+    // Note: We don't actually use flexBasis (or flexOrder), but it's one of the more
+    // common flex features that we can rely on when checking for flex support.
+    return !('flexBasis' in elem.style || 'webkitFlexBasis' in elem.style || 'mozFlexBasis' in elem.style || 'msFlexBasis' in elem.style ||
+    // IE10-specific (2012 flex spec), available for completeness
+    'msFlexOrder' in elem.style);
+  };
+
+  return Player;
+}(Component);
+
+/**
+ * Get the {@link VideoTrackList}
+ * @link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist
+ *
+ * @return {VideoTrackList}
+ *         the current video track list
+ *
+ * @method Player.prototype.videoTracks
+ */
+
+/**
+ * Get the {@link AudioTrackList}
+ * @link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist
+ *
+ * @return {AudioTrackList}
+ *         the current audio track list
+ *
+ * @method Player.prototype.audioTracks
+ */
+
+/**
+ * Get the {@link TextTrackList}
+ *
+ * @link http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-texttracks
+ *
+ * @return {TextTrackList}
+ *         the current text track list
+ *
+ * @method Player.prototype.textTracks
+ */
+
+/**
+ * Get the remote {@link TextTrackList}
+ *
+ * @return {TextTrackList}
+ *         The current remote text track list
+ *
+ * @method Player.prototype.remoteTextTracks
+ */
+
+/**
+ * Get the remote {@link HtmlTrackElementList} tracks.
+ *
+ * @return {HtmlTrackElementList}
+ *         The current remote text track element list
+ *
+ * @method Player.prototype.remoteTextTrackEls
+ */
+
+ALL.names.forEach(function (name$$1) {
+  var props = ALL[name$$1];
+
+  Player.prototype[props.getterName] = function () {
+    if (this.tech_) {
+      return this.tech_[props.getterName]();
+    }
+
+    // if we have not yet loadTech_, we create {video,audio,text}Tracks_
+    // these will be passed to the tech during loading
+    this[props.privateName] = this[props.privateName] || new props.ListClass();
+    return this[props.privateName];
+  };
+});
+
+/**
+ * Global player list
+ *
+ * @type {Object}
+ */
+Player.players = {};
+
+var navigator = window$1.navigator;
+
+/*
+ * Player instance options, surfaced using options
+ * options = Player.prototype.options_
+ * Make changes in options, not here.
+ *
+ * @type {Object}
+ * @private
+ */
+Player.prototype.options_ = {
+  // Default order of fallback technology
+  techOrder: Tech.defaultTechOrder_,
+
+  html5: {},
+  flash: {},
+
+  // default inactivity timeout
+  inactivityTimeout: 2000,
+
+  // default playback rates
+  playbackRates: [],
+  // Add playback rate selection by adding rates
+  // 'playbackRates': [0.5, 1, 1.5, 2],
+
+  // Included control sets
+  children: ['mediaLoader', 'posterImage', 'textTrackDisplay', 'loadingSpinner', 'bigPlayButton', 'controlBar', 'errorDisplay', 'textTrackSettings', 'resizeManager'],
+
+  language: navigator && (navigator.languages && navigator.languages[0] || navigator.userLanguage || navigator.language) || 'en',
+
+  // locales and their language translations
+  languages: {},
+
+  // Default message to show when a video cannot be played.
+  notSupportedMessage: 'No compatible source was found for this media.'
+};
+
+[
+/**
+ * Returns whether or not the player is in the "ended" state.
+ *
+ * @return {Boolean} True if the player is in the ended state, false if not.
+ * @method Player#ended
+ */
+'ended',
+/**
+ * Returns whether or not the player is in the "seeking" state.
+ *
+ * @return {Boolean} True if the player is in the seeking state, false if not.
+ * @method Player#seeking
+ */
+'seeking',
+/**
+ * Returns the TimeRanges of the media that are currently available
+ * for seeking to.
+ *
+ * @return {TimeRanges} the seekable intervals of the media timeline
+ * @method Player#seekable
+ */
+'seekable',
+/**
+ * Returns the current state of network activity for the element, from
+ * the codes in the list below.
+ * - NETWORK_EMPTY (numeric value 0)
+ *   The element has not yet been initialised. All attributes are in
+ *   their initial states.
+ * - NETWORK_IDLE (numeric value 1)
+ *   The element's resource selection algorithm is active and has
+ *   selected a resource, but it is not actually using the network at
+ *   this time.
+ * - NETWORK_LOADING (numeric value 2)
+ *   The user agent is actively trying to download data.
+ * - NETWORK_NO_SOURCE (numeric value 3)
+ *   The element's resource selection algorithm is active, but it has
+ *   not yet found a resource to use.
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#network-states
+ * @return {number} the current network activity state
+ * @method Player#networkState
+ */
+'networkState',
+/**
+ * Returns a value that expresses the current state of the element
+ * with respect to rendering the current playback position, from the
+ * codes in the list below.
+ * - HAVE_NOTHING (numeric value 0)
+ *   No information regarding the media resource is available.
+ * - HAVE_METADATA (numeric value 1)
+ *   Enough of the resource has been obtained that the duration of the
+ *   resource is available.
+ * - HAVE_CURRENT_DATA (numeric value 2)
+ *   Data for the immediate current playback position is available.
+ * - HAVE_FUTURE_DATA (numeric value 3)
+ *   Data for the immediate current playback position is available, as
+ *   well as enough data for the user agent to advance the current
+ *   playback position in the direction of playback.
+ * - HAVE_ENOUGH_DATA (numeric value 4)
+ *   The user agent estimates that enough data is available for
+ *   playback to proceed uninterrupted.
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-readystate
+ * @return {number} the current playback rendering state
+ * @method Player#readyState
+ */
+'readyState'].forEach(function (fn) {
+  Player.prototype[fn] = function () {
+    return this.techGet_(fn);
+  };
+});
+
+TECH_EVENTS_RETRIGGER.forEach(function (event) {
+  Player.prototype['handleTech' + toTitleCase(event) + '_'] = function () {
+    return this.trigger(event);
+  };
+});
+
+/**
+ * Fired when the player has initial duration and dimension information
+ *
+ * @event Player#loadedmetadata
+ * @type {EventTarget~Event}
+ */
+
+/**
+ * Fired when the player has downloaded data at the current playback position
+ *
+ * @event Player#loadeddata
+ * @type {EventTarget~Event}
+ */
+
+/**
+ * Fired when the current playback position has changed *
+ * During playback this is fired every 15-250 milliseconds, depending on the
+ * playback technology in use.
+ *
+ * @event Player#timeupdate
+ * @type {EventTarget~Event}
+ */
+
+/**
+ * Fired when the volume changes
+ *
+ * @event Player#volumechange
+ * @type {EventTarget~Event}
+ */
+
+/**
+ * Reports whether or not a player has a plugin available.
+ *
+ * This does not report whether or not the plugin has ever been initialized
+ * on this player. For that, [usingPlugin]{@link Player#usingPlugin}.
+ *
+ * @method Player#hasPlugin
+ * @param  {string}  name
+ *         The name of a plugin.
+ *
+ * @return {boolean}
+ *         Whether or not this player has the requested plugin available.
+ */
+
+/**
+ * Reports whether or not a player is using a plugin by name.
+ *
+ * For basic plugins, this only reports whether the plugin has _ever_ been
+ * initialized on this player.
+ *
+ * @method Player#usingPlugin
+ * @param  {string} name
+ *         The name of a plugin.
+ *
+ * @return {boolean}
+ *         Whether or not this player is using the requested plugin.
+ */
+
+Component.registerComponent('Player', Player);
+
+/**
+ * @file plugin.js
+ */
+
+/**
+ * The base plugin name.
+ *
+ * @private
+ * @constant
+ * @type {string}
+ */
+var BASE_PLUGIN_NAME = 'plugin';
+
+/**
+ * The key on which a player's active plugins cache is stored.
+ *
+ * @private
+ * @constant
+ * @type     {string}
+ */
+var PLUGIN_CACHE_KEY = 'activePlugins_';
+
+/**
+ * Stores registered plugins in a private space.
+ *
+ * @private
+ * @type    {Object}
+ */
+var pluginStorage = {};
+
+/**
+ * Reports whether or not a plugin has been registered.
+ *
+ * @private
+ * @param   {string} name
+ *          The name of a plugin.
+ *
+ * @returns {boolean}
+ *          Whether or not the plugin has been registered.
+ */
+var pluginExists = function pluginExists(name) {
+  return pluginStorage.hasOwnProperty(name);
+};
+
+/**
+ * Get a single registered plugin by name.
+ *
+ * @private
+ * @param   {string} name
+ *          The name of a plugin.
+ *
+ * @returns {Function|undefined}
+ *          The plugin (or undefined).
+ */
+var getPlugin = function getPlugin(name) {
+  return pluginExists(name) ? pluginStorage[name] : undefined;
+};
+
+/**
+ * Marks a plugin as "active" on a player.
+ *
+ * Also, ensures that the player has an object for tracking active plugins.
+ *
+ * @private
+ * @param   {Player} player
+ *          A Video.js player instance.
+ *
+ * @param   {string} name
+ *          The name of a plugin.
+ */
+var markPluginAsActive = function markPluginAsActive(player, name) {
+  player[PLUGIN_CACHE_KEY] = player[PLUGIN_CACHE_KEY] || {};
+  player[PLUGIN_CACHE_KEY][name] = true;
+};
+
+/**
+ * Triggers a pair of plugin setup events.
+ *
+ * @private
+ * @param  {Player} player
+ *         A Video.js player instance.
+ *
+ * @param  {Plugin~PluginEventHash} hash
+ *         A plugin event hash.
+ *
+ * @param  {Boolean} [before]
+ *         If true, prefixes the event name with "before". In other words,
+ *         use this to trigger "beforepluginsetup" instead of "pluginsetup".
+ */
+var triggerSetupEvent = function triggerSetupEvent(player, hash, before) {
+  var eventName = (before ? 'before' : '') + 'pluginsetup';
+
+  player.trigger(eventName, hash);
+  player.trigger(eventName + ':' + hash.name, hash);
+};
+
+/**
+ * Takes a basic plugin function and returns a wrapper function which marks
+ * on the player that the plugin has been activated.
+ *
+ * @private
+ * @param   {string} name
+ *          The name of the plugin.
+ *
+ * @param   {Function} plugin
+ *          The basic plugin.
+ *
+ * @returns {Function}
+ *          A wrapper function for the given plugin.
+ */
+var createBasicPlugin = function createBasicPlugin(name, plugin) {
+  var basicPluginWrapper = function basicPluginWrapper() {
+
+    // We trigger the "beforepluginsetup" and "pluginsetup" events on the player
+    // regardless, but we want the hash to be consistent with the hash provided
+    // for advanced plugins.
+    //
+    // The only potentially counter-intuitive thing here is the `instance` in
+    // the "pluginsetup" event is the value returned by the `plugin` function.
+    triggerSetupEvent(this, { name: name, plugin: plugin, instance: null }, true);
+
+    var instance = plugin.apply(this, arguments);
+
+    markPluginAsActive(this, name);
+    triggerSetupEvent(this, { name: name, plugin: plugin, instance: instance });
+
+    return instance;
+  };
+
+  Object.keys(plugin).forEach(function (prop) {
+    basicPluginWrapper[prop] = plugin[prop];
+  });
+
+  return basicPluginWrapper;
+};
+
+/**
+ * Takes a plugin sub-class and returns a factory function for generating
+ * instances of it.
+ *
+ * This factory function will replace itself with an instance of the requested
+ * sub-class of Plugin.
+ *
+ * @private
+ * @param   {string} name
+ *          The name of the plugin.
+ *
+ * @param   {Plugin} PluginSubClass
+ *          The advanced plugin.
+ *
+ * @returns {Function}
+ */
+var createPluginFactory = function createPluginFactory(name, PluginSubClass) {
+
+  // Add a `name` property to the plugin prototype so that each plugin can
+  // refer to itself by name.
+  PluginSubClass.prototype.name = name;
+
+  return function () {
+    triggerSetupEvent(this, { name: name, plugin: PluginSubClass, instance: null }, true);
+
+    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+      args[_key] = arguments[_key];
+    }
+
+    var instance = new (Function.prototype.bind.apply(PluginSubClass, [null].concat([this].concat(args))))();
+
+    // The plugin is replaced by a function that returns the current instance.
+    this[name] = function () {
+      return instance;
+    };
+
+    triggerSetupEvent(this, instance.getEventHash());
+
+    return instance;
+  };
+};
+
+/**
+ * Parent class for all advanced plugins.
+ *
+ * @mixes   module:evented~EventedMixin
+ * @mixes   module:stateful~StatefulMixin
+ * @fires   Player#beforepluginsetup
+ * @fires   Player#beforepluginsetup:$name
+ * @fires   Player#pluginsetup
+ * @fires   Player#pluginsetup:$name
+ * @listens Player#dispose
+ * @throws  {Error}
+ *          If attempting to instantiate the base {@link Plugin} class
+ *          directly instead of via a sub-class.
+ */
+
+var Plugin = function () {
+
+  /**
+   * Creates an instance of this class.
+   *
+   * Sub-classes should call `super` to ensure plugins are properly initialized.
+   *
+   * @param {Player} player
+   *        A Video.js player instance.
+   */
+  function Plugin(player) {
+    classCallCheck(this, Plugin);
+
+    if (this.constructor === Plugin) {
+      throw new Error('Plugin must be sub-classed; not directly instantiated.');
+    }
+
+    this.player = player;
+
+    // Make this object evented, but remove the added `trigger` method so we
+    // use the prototype version instead.
+    evented(this);
+    delete this.trigger;
+
+    stateful(this, this.constructor.defaultState);
+    markPluginAsActive(player, this.name);
+
+    // Auto-bind the dispose method so we can use it as a listener and unbind
+    // it later easily.
+    this.dispose = bind(this, this.dispose);
+
+    // If the player is disposed, dispose the plugin.
+    player.on('dispose', this.dispose);
+  }
+
+  /**
+   * Get the version of the plugin that was set on <pluginName>.VERSION
+   */
+
+
+  Plugin.prototype.version = function version() {
+    return this.constructor.VERSION;
+  };
+
+  /**
+   * Each event triggered by plugins includes a hash of additional data with
+   * conventional properties.
+   *
+   * This returns that object or mutates an existing hash.
+   *
+   * @param   {Object} [hash={}]
+   *          An object to be used as event an event hash.
+   *
+   * @returns {Plugin~PluginEventHash}
+   *          An event hash object with provided properties mixed-in.
+   */
+
+
+  Plugin.prototype.getEventHash = function getEventHash() {
+    var hash = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+
+    hash.name = this.name;
+    hash.plugin = this.constructor;
+    hash.instance = this;
+    return hash;
+  };
+
+  /**
+   * Triggers an event on the plugin object and overrides
+   * {@link module:evented~EventedMixin.trigger|EventedMixin.trigger}.
+   *
+   * @param   {string|Object} event
+   *          An event type or an object with a type property.
+   *
+   * @param   {Object} [hash={}]
+   *          Additional data hash to merge with a
+   *          {@link Plugin~PluginEventHash|PluginEventHash}.
+   *
+   * @returns {boolean}
+   *          Whether or not default was prevented.
+   */
+
+
+  Plugin.prototype.trigger = function trigger$$1(event) {
+    var hash = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+    return trigger(this.eventBusEl_, event, this.getEventHash(hash));
+  };
+
+  /**
+   * Handles "statechanged" events on the plugin. No-op by default, override by
+   * subclassing.
+   *
+   * @abstract
+   * @param    {Event} e
+   *           An event object provided by a "statechanged" event.
+   *
+   * @param    {Object} e.changes
+   *           An object describing changes that occurred with the "statechanged"
+   *           event.
+   */
+
+
+  Plugin.prototype.handleStateChanged = function handleStateChanged(e) {};
+
+  /**
+   * Disposes a plugin.
+   *
+   * Subclasses can override this if they want, but for the sake of safety,
+   * it's probably best to subscribe the "dispose" event.
+   *
+   * @fires Plugin#dispose
+   */
+
+
+  Plugin.prototype.dispose = function dispose() {
+    var name = this.name,
+        player = this.player;
+
+    /**
+     * Signals that a advanced plugin is about to be disposed.
+     *
+     * @event Plugin#dispose
+     * @type  {EventTarget~Event}
+     */
+
+    this.trigger('dispose');
+    this.off();
+    player.off('dispose', this.dispose);
+
+    // Eliminate any possible sources of leaking memory by clearing up
+    // references between the player and the plugin instance and nulling out
+    // the plugin's state and replacing methods with a function that throws.
+    player[PLUGIN_CACHE_KEY][name] = false;
+    this.player = this.state = null;
+
+    // Finally, replace the plugin name on the player with a new factory
+    // function, so that the plugin is ready to be set up again.
+    player[name] = createPluginFactory(name, pluginStorage[name]);
+  };
+
+  /**
+   * Determines if a plugin is a basic plugin (i.e. not a sub-class of `Plugin`).
+   *
+   * @param   {string|Function} plugin
+   *          If a string, matches the name of a plugin. If a function, will be
+   *          tested directly.
+   *
+   * @returns {boolean}
+   *          Whether or not a plugin is a basic plugin.
+   */
+
+
+  Plugin.isBasic = function isBasic(plugin) {
+    var p = typeof plugin === 'string' ? getPlugin(plugin) : plugin;
+
+    return typeof p === 'function' && !Plugin.prototype.isPrototypeOf(p.prototype);
+  };
+
+  /**
+   * Register a Video.js plugin.
+   *
+   * @param   {string} name
+   *          The name of the plugin to be registered. Must be a string and
+   *          must not match an existing plugin or a method on the `Player`
+   *          prototype.
+   *
+   * @param   {Function} plugin
+   *          A sub-class of `Plugin` or a function for basic plugins.
+   *
+   * @returns {Function}
+   *          For advanced plugins, a factory function for that plugin. For
+   *          basic plugins, a wrapper function that initializes the plugin.
+   */
+
+
+  Plugin.registerPlugin = function registerPlugin(name, plugin) {
+    if (typeof name !== 'string') {
+      throw new Error('Illegal plugin name, "' + name + '", must be a string, was ' + (typeof name === 'undefined' ? 'undefined' : _typeof(name)) + '.');
+    }
+
+    if (pluginExists(name)) {
+      log$1.warn('A plugin named "' + name + '" already exists. You may want to avoid re-registering plugins!');
+    } else if (Player.prototype.hasOwnProperty(name)) {
+      throw new Error('Illegal plugin name, "' + name + '", cannot share a name with an existing player method!');
+    }
+
+    if (typeof plugin !== 'function') {
+      throw new Error('Illegal plugin for "' + name + '", must be a function, was ' + (typeof plugin === 'undefined' ? 'undefined' : _typeof(plugin)) + '.');
+    }
+
+    pluginStorage[name] = plugin;
+
+    // Add a player prototype method for all sub-classed plugins (but not for
+    // the base Plugin class).
+    if (name !== BASE_PLUGIN_NAME) {
+      if (Plugin.isBasic(plugin)) {
+        Player.prototype[name] = createBasicPlugin(name, plugin);
+      } else {
+        Player.prototype[name] = createPluginFactory(name, plugin);
+      }
+    }
+
+    return plugin;
+  };
+
+  /**
+   * De-register a Video.js plugin.
+   *
+   * @param {string} name
+   *        The name of the plugin to be deregistered.
+   */
+
+
+  Plugin.deregisterPlugin = function deregisterPlugin(name) {
+    if (name === BASE_PLUGIN_NAME) {
+      throw new Error('Cannot de-register base plugin.');
+    }
+    if (pluginExists(name)) {
+      delete pluginStorage[name];
+      delete Player.prototype[name];
+    }
+  };
+
+  /**
+   * Gets an object containing multiple Video.js plugins.
+   *
+   * @param   {Array} [names]
+   *          If provided, should be an array of plugin names. Defaults to _all_
+   *          plugin names.
+   *
+   * @returns {Object|undefined}
+   *          An object containing plugin(s) associated with their name(s) or
+   *          `undefined` if no matching plugins exist).
+   */
+
+
+  Plugin.getPlugins = function getPlugins() {
+    var names = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : Object.keys(pluginStorage);
+
+    var result = void 0;
+
+    names.forEach(function (name) {
+      var plugin = getPlugin(name);
+
+      if (plugin) {
+        result = result || {};
+        result[name] = plugin;
+      }
+    });
+
+    return result;
+  };
+
+  /**
+   * Gets a plugin's version, if available
+   *
+   * @param   {string} name
+   *          The name of a plugin.
+   *
+   * @returns {string}
+   *          The plugin's version or an empty string.
+   */
+
+
+  Plugin.getPluginVersion = function getPluginVersion(name) {
+    var plugin = getPlugin(name);
+
+    return plugin && plugin.VERSION || '';
+  };
+
+  return Plugin;
+}();
+
+/**
+ * Gets a plugin by name if it exists.
+ *
+ * @static
+ * @method   getPlugin
+ * @memberOf Plugin
+ * @param    {string} name
+ *           The name of a plugin.
+ *
+ * @returns  {Function|undefined}
+ *           The plugin (or `undefined`).
+ */
+
+
+Plugin.getPlugin = getPlugin;
+
+/**
+ * The name of the base plugin class as it is registered.
+ *
+ * @type {string}
+ */
+Plugin.BASE_PLUGIN_NAME = BASE_PLUGIN_NAME;
+
+Plugin.registerPlugin(BASE_PLUGIN_NAME, Plugin);
+
+/**
+ * Documented in player.js
+ *
+ * @ignore
+ */
+Player.prototype.usingPlugin = function (name) {
+  return !!this[PLUGIN_CACHE_KEY] && this[PLUGIN_CACHE_KEY][name] === true;
+};
+
+/**
+ * Documented in player.js
+ *
+ * @ignore
+ */
+Player.prototype.hasPlugin = function (name) {
+  return !!pluginExists(name);
+};
+
+/**
+ * @file extend.js
+ * @module extend
+ */
+
+/**
+ * A combination of node inherits and babel's inherits (after transpile).
+ * Both work the same but node adds `super_` to the subClass
+ * and Bable adds the superClass as __proto__. Both seem useful.
+ *
+ * @param {Object} subClass
+ *        The class to inherit to
+ *
+ * @param {Object} superClass
+ *        The class to inherit from
+ *
+ * @private
+ */
+var _inherits = function _inherits(subClass, superClass) {
+  if (typeof superClass !== 'function' && superClass !== null) {
+    throw new TypeError('Super expression must either be null or a function, not ' + (typeof superClass === 'undefined' ? 'undefined' : _typeof(superClass)));
+  }
+
+  subClass.prototype = Object.create(superClass && superClass.prototype, {
+    constructor: {
+      value: subClass,
+      enumerable: false,
+      writable: true,
+      configurable: true
+    }
+  });
+
+  if (superClass) {
+    // node
+    subClass.super_ = superClass;
+  }
+};
+
+/**
+ * Function for subclassing using the same inheritance that
+ * videojs uses internally
+ *
+ * @static
+ * @const
+ *
+ * @param {Object} superClass
+ *        The class to inherit from
+ *
+ * @param {Object} [subClassMethods={}]
+ *        The class to inherit to
+ *
+ * @return {Object}
+ *         The new object with subClassMethods that inherited superClass.
+ */
+var extendFn = function extendFn(superClass) {
+  var subClassMethods = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+  var subClass = function subClass() {
+    superClass.apply(this, arguments);
+  };
+
+  var methods = {};
+
+  if ((typeof subClassMethods === 'undefined' ? 'undefined' : _typeof(subClassMethods)) === 'object') {
+    if (subClassMethods.constructor !== Object.prototype.constructor) {
+      subClass = subClassMethods.constructor;
+    }
+    methods = subClassMethods;
+  } else if (typeof subClassMethods === 'function') {
+    subClass = subClassMethods;
+  }
+
+  _inherits(subClass, superClass);
+
+  // Extend subObj's prototype with functions and other properties from props
+  for (var name in methods) {
+    if (methods.hasOwnProperty(name)) {
+      subClass.prototype[name] = methods[name];
+    }
+  }
+
+  return subClass;
+};
+
+/**
+ * @file video.js
+ * @module videojs
+ */
+
+/**
+ * Normalize an `id` value by trimming off a leading `#`
+ *
+ * @param   {string} id
+ *          A string, maybe with a leading `#`.
+ *
+ * @returns {string}
+ *          The string, without any leading `#`.
+ */
+var normalizeId = function normalizeId(id) {
+  return id.indexOf('#') === 0 ? id.slice(1) : id;
+};
+
+/**
+ * Doubles as the main function for users to create a player instance and also
+ * the main library object.
+ * The `videojs` function can be used to initialize or retrieve a player.
+  *
+ * @param {string|Element} id
+ *        Video element or video element ID
+ *
+ * @param {Object} [options]
+ *        Optional options object for config/settings
+ *
+ * @param {Component~ReadyCallback} [ready]
+ *        Optional ready callback
+ *
+ * @return {Player}
+ *         A player instance
+ */
+function videojs$1(id, options, ready) {
+  var player = videojs$1.getPlayer(id);
+
+  if (player) {
+    if (options) {
+      log$1.warn('Player "' + id + '" is already initialised. Options will not be applied.');
+    }
+    if (ready) {
+      player.ready(ready);
+    }
+    return player;
+  }
+
+  var el = typeof id === 'string' ? $('#' + normalizeId(id)) : id;
+
+  if (!isEl(el)) {
+    throw new TypeError('The element or ID supplied is not valid. (videojs)');
+  }
+
+  if (!document.body.contains(el)) {
+    log$1.warn('The element supplied is not included in the DOM');
+  }
+
+  options = options || {};
+
+  videojs$1.hooks('beforesetup').forEach(function (hookFunction) {
+    var opts = hookFunction(el, mergeOptions(options));
+
+    if (!isObject(opts) || Array.isArray(opts)) {
+      log$1.error('please return an object in beforesetup hooks');
+      return;
+    }
+
+    options = mergeOptions(options, opts);
+  });
+
+  // We get the current "Player" component here in case an integration has
+  // replaced it with a custom player.
+  var PlayerComponent = Component.getComponent('Player');
+
+  player = new PlayerComponent(el, options, ready);
+
+  videojs$1.hooks('setup').forEach(function (hookFunction) {
+    return hookFunction(player);
+  });
+
+  return player;
+}
+
+/**
+ * An Object that contains lifecycle hooks as keys which point to an array
+ * of functions that are run when a lifecycle is triggered
+ */
+videojs$1.hooks_ = {};
+
+/**
+ * Get a list of hooks for a specific lifecycle
+ * @function videojs.hooks
+ *
+ * @param {string} type
+ *        the lifecyle to get hooks from
+ *
+ * @param {Function|Function[]} [fn]
+ *        Optionally add a hook (or hooks) to the lifecycle that your are getting.
+ *
+ * @return {Array}
+ *         an array of hooks, or an empty array if there are none.
+ */
+videojs$1.hooks = function (type, fn) {
+  videojs$1.hooks_[type] = videojs$1.hooks_[type] || [];
+  if (fn) {
+    videojs$1.hooks_[type] = videojs$1.hooks_[type].concat(fn);
+  }
+  return videojs$1.hooks_[type];
+};
+
+/**
+ * Add a function hook to a specific videojs lifecycle.
+ *
+ * @param {string} type
+ *        the lifecycle to hook the function to.
+ *
+ * @param {Function|Function[]}
+ *        The function or array of functions to attach.
+ */
+videojs$1.hook = function (type, fn) {
+  videojs$1.hooks(type, fn);
+};
+
+/**
+ * Add a function hook that will only run once to a specific videojs lifecycle.
+ *
+ * @param {string} type
+ *        the lifecycle to hook the function to.
+ *
+ * @param {Function|Function[]}
+ *        The function or array of functions to attach.
+ */
+videojs$1.hookOnce = function (type, fn) {
+  videojs$1.hooks(type, [].concat(fn).map(function (original) {
+    var wrapper = function wrapper() {
+      videojs$1.removeHook(type, wrapper);
+      return original.apply(undefined, arguments);
+    };
+
+    return wrapper;
+  }));
+};
+
+/**
+ * Remove a hook from a specific videojs lifecycle.
+ *
+ * @param {string} type
+ *        the lifecycle that the function hooked to
+ *
+ * @param {Function} fn
+ *        The hooked function to remove
+ *
+ * @return {boolean}
+ *         The function that was removed or undef
+ */
+videojs$1.removeHook = function (type, fn) {
+  var index = videojs$1.hooks(type).indexOf(fn);
+
+  if (index <= -1) {
+    return false;
+  }
+
+  videojs$1.hooks_[type] = videojs$1.hooks_[type].slice();
+  videojs$1.hooks_[type].splice(index, 1);
+
+  return true;
+};
+
+// Add default styles
+if (window$1.VIDEOJS_NO_DYNAMIC_STYLE !== true && isReal()) {
+  var style$1 = $('.vjs-styles-defaults');
+
+  if (!style$1) {
+    style$1 = createStyleElement('vjs-styles-defaults');
+    var head = $('head');
+
+    if (head) {
+      head.insertBefore(style$1, head.firstChild);
+    }
+    setTextContent(style$1, '\n      .video-js {\n        width: 300px;\n        height: 150px;\n      }\n\n      .vjs-fluid {\n        padding-top: 56.25%\n      }\n    ');
+  }
+}
+
+// Run Auto-load players
+// You have to wait at least once in case this script is loaded after your
+// video in the DOM (weird behavior only with minified version)
+autoSetupTimeout(1, videojs$1);
+
+/**
+ * Current software version. Follows semver.
+ *
+ * @type {string}
+ */
+videojs$1.VERSION = version;
+
+/**
+ * The global options object. These are the settings that take effect
+ * if no overrides are specified when the player is created.
+ *
+ * @type {Object}
+ */
+videojs$1.options = Player.prototype.options_;
+
+/**
+ * Get an object with the currently created players, keyed by player ID
+ *
+ * @return {Object}
+ *         The created players
+ */
+videojs$1.getPlayers = function () {
+  return Player.players;
+};
+
+/**
+ * Get a single player based on an ID or DOM element.
+ *
+ * This is useful if you want to check if an element or ID has an associated
+ * Video.js player, but not create one if it doesn't.
+ *
+ * @param   {string|Element} id
+ *          An HTML element - `<video>`, `<audio>`, or `<video-js>` -
+ *          or a string matching the `id` of such an element.
+ *
+ * @returns {Player|undefined}
+ *          A player instance or `undefined` if there is no player instance
+ *          matching the argument.
+ */
+videojs$1.getPlayer = function (id) {
+  var players = Player.players;
+  var tag = void 0;
+
+  if (typeof id === 'string') {
+    var nId = normalizeId(id);
+    var player = players[nId];
+
+    if (player) {
+      return player;
+    }
+
+    tag = $('#' + nId);
+  } else {
+    tag = id;
+  }
+
+  if (isEl(tag)) {
+    var _tag = tag,
+        _player = _tag.player,
+        playerId = _tag.playerId;
+
+    // Element may have a `player` property referring to an already created
+    // player instance. If so, return that.
+
+    if (_player || players[playerId]) {
+      return _player || players[playerId];
+    }
+  }
+};
+
+/**
+ * Returns an array of all current players.
+ *
+ * @return {Array}
+ *         An array of all players. The array will be in the order that
+ *         `Object.keys` provides, which could potentially vary between
+ *         JavaScript engines.
+ *
+ */
+videojs$1.getAllPlayers = function () {
+  return (
+
+    // Disposed players leave a key with a `null` value, so we need to make sure
+    // we filter those out.
+    Object.keys(Player.players).map(function (k) {
+      return Player.players[k];
+    }).filter(Boolean)
+  );
+};
+
+/**
+ * Expose players object.
+ *
+ * @memberOf videojs
+ * @property {Object} players
+ */
+videojs$1.players = Player.players;
+
+/**
+ * Get a component class object by name
+ *
+ * @borrows Component.getComponent as videojs.getComponent
+ */
+videojs$1.getComponent = Component.getComponent;
+
+/**
+ * Register a component so it can referred to by name. Used when adding to other
+ * components, either through addChild `component.addChild('myComponent')` or through
+ * default children options  `{ children: ['myComponent'] }`.
+ *
+ * > NOTE: You could also just initialize the component before adding.
+ * `component.addChild(new MyComponent());`
+ *
+ * @param {string} name
+ *        The class name of the component
+ *
+ * @param {Component} comp
+ *        The component class
+ *
+ * @return {Component}
+ *         The newly registered component
+ */
+videojs$1.registerComponent = function (name$$1, comp) {
+  if (Tech.isTech(comp)) {
+    log$1.warn('The ' + name$$1 + ' tech was registered as a component. It should instead be registered using videojs.registerTech(name, tech)');
+  }
+
+  Component.registerComponent.call(Component, name$$1, comp);
+};
+
+/**
+ * Get a Tech class object by name
+ *
+ * @borrows Tech.getTech as videojs.getTech
+ */
+videojs$1.getTech = Tech.getTech;
+
+/**
+ * Register a Tech so it can referred to by name.
+ * This is used in the tech order for the player.
+ *
+ * @borrows Tech.registerTech as videojs.registerTech
+ */
+videojs$1.registerTech = Tech.registerTech;
+
+/**
+ * Register a middleware to a source type.
+ *
+ * @param {String} type A string representing a MIME type.
+ * @param {function(player):object} middleware A middleware factory that takes a player.
+ */
+videojs$1.use = use;
+
+/**
+ * An object that can be returned by a middleware to signify
+ * that the middleware is being terminated.
+ *
+ * @type {object}
+ * @memberOf {videojs}
+ * @property {object} middleware.TERMINATOR
+ */
+Object.defineProperty(videojs$1, 'middleware', {
+  value: {},
+  writeable: false,
+  enumerable: true
+});
+
+Object.defineProperty(videojs$1.middleware, 'TERMINATOR', {
+  value: TERMINATOR,
+  writeable: false,
+  enumerable: true
+});
+
+/**
+ * A suite of browser and device tests from {@link browser}.
+ *
+ * @type {Object}
+ * @private
+ */
+videojs$1.browser = browser;
+
+/**
+ * Whether or not the browser supports touch events. Included for backward
+ * compatibility with 4.x, but deprecated. Use `videojs.browser.TOUCH_ENABLED`
+ * instead going forward.
+ *
+ * @deprecated since version 5.0
+ * @type {boolean}
+ */
+videojs$1.TOUCH_ENABLED = TOUCH_ENABLED;
+
+/**
+ * Subclass an existing class
+ * Mimics ES6 subclassing with the `extend` keyword
+ *
+ * @borrows extend:extendFn as videojs.extend
+ */
+videojs$1.extend = extendFn;
+
+/**
+ * Merge two options objects recursively
+ * Performs a deep merge like lodash.merge but **only merges plain objects**
+ * (not arrays, elements, anything else)
+ * Other values will be copied directly from the second object.
+ *
+ * @borrows merge-options:mergeOptions as videojs.mergeOptions
+ */
+videojs$1.mergeOptions = mergeOptions;
+
+/**
+ * Change the context (this) of a function
+ *
+ * > NOTE: as of v5.0 we require an ES5 shim, so you should use the native
+ * `function() {}.bind(newContext);` instead of this.
+ *
+ * @borrows fn:bind as videojs.bind
+ */
+videojs$1.bind = bind;
+
+/**
+ * Register a Video.js plugin.
+ *
+ * @borrows plugin:registerPlugin as videojs.registerPlugin
+ * @method registerPlugin
+ *
+ * @param  {string} name
+ *         The name of the plugin to be registered. Must be a string and
+ *         must not match an existing plugin or a method on the `Player`
+ *         prototype.
+ *
+ * @param  {Function} plugin
+ *         A sub-class of `Plugin` or a function for basic plugins.
+ *
+ * @return {Function}
+ *         For advanced plugins, a factory function for that plugin. For
+ *         basic plugins, a wrapper function that initializes the plugin.
+ */
+videojs$1.registerPlugin = Plugin.registerPlugin;
+
+/**
+ * Deregister a Video.js plugin.
+ *
+ * @borrows plugin:deregisterPlugin as videojs.deregisterPlugin
+ * @method deregisterPlugin
+ *
+ * @param  {string} name
+ *         The name of the plugin to be deregistered. Must be a string and
+ *         must match an existing plugin or a method on the `Player`
+ *         prototype.
+ *
+ */
+videojs$1.deregisterPlugin = Plugin.deregisterPlugin;
+
+/**
+ * Deprecated method to register a plugin with Video.js
+ *
+ * @deprecated
+ *        videojs.plugin() is deprecated; use videojs.registerPlugin() instead
+ *
+ * @param {string} name
+ *        The plugin name
+ *
+ * @param {Plugin|Function} plugin
+ *         The plugin sub-class or function
+ */
+videojs$1.plugin = function (name$$1, plugin) {
+  log$1.warn('videojs.plugin() is deprecated; use videojs.registerPlugin() instead');
+  return Plugin.registerPlugin(name$$1, plugin);
+};
+
+/**
+ * Gets an object containing multiple Video.js plugins.
+ *
+ * @param  {Array} [names]
+ *         If provided, should be an array of plugin names. Defaults to _all_
+ *         plugin names.
+ *
+ * @return {Object|undefined}
+ *         An object containing plugin(s) associated with their name(s) or
+ *         `undefined` if no matching plugins exist).
+ */
+videojs$1.getPlugins = Plugin.getPlugins;
+
+/**
+ * Gets a plugin by name if it exists.
+ *
+ * @param  {string} name
+ *         The name of a plugin.
+ *
+ * @return {Function|undefined}
+ *         The plugin (or `undefined`).
+ */
+videojs$1.getPlugin = Plugin.getPlugin;
+
+/**
+ * Gets a plugin's version, if available
+ *
+ * @param  {string} name
+ *         The name of a plugin.
+ *
+ * @return {string}
+ *         The plugin's version or an empty string.
+ */
+videojs$1.getPluginVersion = Plugin.getPluginVersion;
+
+/**
+ * Adding languages so that they're available to all players.
+ * Example: `videojs.addLanguage('es', { 'Hello': 'Hola' });`
+ *
+ * @param {string} code
+ *        The language code or dictionary property
+ *
+ * @param {Object} data
+ *        The data values to be translated
+ *
+ * @return {Object}
+ *         The resulting language dictionary object
+ */
+videojs$1.addLanguage = function (code, data) {
+  var _mergeOptions;
+
+  code = ('' + code).toLowerCase();
+
+  videojs$1.options.languages = mergeOptions(videojs$1.options.languages, (_mergeOptions = {}, _mergeOptions[code] = data, _mergeOptions));
+
+  return videojs$1.options.languages[code];
+};
+
+/**
+ * Log messages
+ *
+ * @borrows log:log as videojs.log
+ */
+videojs$1.log = log$1;
+
+/**
+ * Creates an emulated TimeRange object.
+ *
+ * @borrows time-ranges:createTimeRanges as videojs.createTimeRange
+ */
+/**
+ * @borrows time-ranges:createTimeRanges as videojs.createTimeRanges
+ */
+videojs$1.createTimeRange = videojs$1.createTimeRanges = createTimeRanges;
+
+/**
+ * Format seconds as a time string, H:MM:SS or M:SS
+ * Supplying a guide (in seconds) will force a number of leading zeros
+ * to cover the length of the guide
+ *
+ * @borrows format-time:formatTime as videojs.formatTime
+ */
+videojs$1.formatTime = formatTime;
+
+/**
+ * Replaces format-time with a custom implementation, to be used in place of the default.
+ *
+ * @borrows format-time:setFormatTime as videojs.setFormatTime
+ *
+ * @method setFormatTime
+ *
+ * @param {Function} customFn
+ *        A custom format-time function which will be called with the current time and guide (in seconds) as arguments.
+ *        Passed fn should return a string.
+ */
+videojs$1.setFormatTime = setFormatTime;
+
+/**
+ * Resets format-time to the default implementation.
+ *
+ * @borrows format-time:resetFormatTime as videojs.resetFormatTime
+ *
+ * @method resetFormatTime
+ */
+videojs$1.resetFormatTime = resetFormatTime;
+
+/**
+ * Resolve and parse the elements of a URL
+ *
+ * @borrows url:parseUrl as videojs.parseUrl
+ *
+ */
+videojs$1.parseUrl = parseUrl;
+
+/**
+ * Returns whether the url passed is a cross domain request or not.
+ *
+ * @borrows url:isCrossOrigin as videojs.isCrossOrigin
+ */
+videojs$1.isCrossOrigin = isCrossOrigin;
+
+/**
+ * Event target class.
+ *
+ * @borrows EventTarget as videojs.EventTarget
+ */
+videojs$1.EventTarget = EventTarget;
+
+/**
+ * Add an event listener to element
+ * It stores the handler function in a separate cache object
+ * and adds a generic handler to the element's event,
+ * along with a unique id (guid) to the element.
+ *
+ * @borrows events:on as videojs.on
+ */
+videojs$1.on = on;
+
+/**
+ * Trigger a listener only once for an event
+ *
+ * @borrows events:one as videojs.one
+ */
+videojs$1.one = one;
+
+/**
+ * Removes event listeners from an element
+ *
+ * @borrows events:off as videojs.off
+ */
+videojs$1.off = off;
+
+/**
+ * Trigger an event for an element
+ *
+ * @borrows events:trigger as videojs.trigger
+ */
+videojs$1.trigger = trigger;
+
+/**
+ * A cross-browser XMLHttpRequest wrapper. Here's a simple example:
+ *
+ * @param {Object} options
+ *        settings for the request.
+ *
+ * @return {XMLHttpRequest|XDomainRequest}
+ *         The request object.
+ *
+ * @see https://github.com/Raynos/xhr
+ */
+videojs$1.xhr = xhr;
+
+/**
+ * TextTrack class
+ *
+ * @borrows TextTrack as videojs.TextTrack
+ */
+videojs$1.TextTrack = TextTrack;
+
+/**
+ * export the AudioTrack class so that source handlers can create
+ * AudioTracks and then add them to the players AudioTrackList
+ *
+ * @borrows AudioTrack as videojs.AudioTrack
+ */
+videojs$1.AudioTrack = AudioTrack;
+
+/**
+ * export the VideoTrack class so that source handlers can create
+ * VideoTracks and then add them to the players VideoTrackList
+ *
+ * @borrows VideoTrack as videojs.VideoTrack
+ */
+videojs$1.VideoTrack = VideoTrack;
+
+/**
+ * Determines, via duck typing, whether or not a value is a DOM element.
+ *
+ * @borrows dom:isEl as videojs.isEl
+ * @deprecated Use videojs.dom.isEl() instead
+ */
+
+/**
+ * Determines, via duck typing, whether or not a value is a text node.
+ *
+ * @borrows dom:isTextNode as videojs.isTextNode
+ * @deprecated Use videojs.dom.isTextNode() instead
+ */
+
+/**
+ * Creates an element and applies properties.
+ *
+ * @borrows dom:createEl as videojs.createEl
+ * @deprecated Use videojs.dom.createEl() instead
+ */
+
+/**
+ * Check if an element has a CSS class
+ *
+ * @borrows dom:hasElClass as videojs.hasClass
+ * @deprecated Use videojs.dom.hasClass() instead
+ */
+
+/**
+ * Add a CSS class name to an element
+ *
+ * @borrows dom:addElClass as videojs.addClass
+ * @deprecated Use videojs.dom.addClass() instead
+ */
+
+/**
+ * Remove a CSS class name from an element
+ *
+ * @borrows dom:removeElClass as videojs.removeClass
+ * @deprecated Use videojs.dom.removeClass() instead
+ */
+
+/**
+ * Adds or removes a CSS class name on an element depending on an optional
+ * condition or the presence/absence of the class name.
+ *
+ * @borrows dom:toggleElClass as videojs.toggleClass
+ * @deprecated Use videojs.dom.toggleClass() instead
+ */
+
+/**
+ * Apply attributes to an HTML element.
+ *
+ * @borrows dom:setElAttributes as videojs.setAttribute
+ * @deprecated Use videojs.dom.setAttributes() instead
+ */
+
+/**
+ * Get an element's attribute values, as defined on the HTML tag
+ * Attributes are not the same as properties. They're defined on the tag
+ * or with setAttribute (which shouldn't be used with HTML)
+ * This will return true or false for boolean attributes.
+ *
+ * @borrows dom:getElAttributes as videojs.getAttributes
+ * @deprecated Use videojs.dom.getAttributes() instead
+ */
+
+/**
+ * Empties the contents of an element.
+ *
+ * @borrows dom:emptyEl as videojs.emptyEl
+ * @deprecated Use videojs.dom.emptyEl() instead
+ */
+
+/**
+ * Normalizes and appends content to an element.
+ *
+ * The content for an element can be passed in multiple types and
+ * combinations, whose behavior is as follows:
+ *
+ * - String
+ *   Normalized into a text node.
+ *
+ * - Element, TextNode
+ *   Passed through.
+ *
+ * - Array
+ *   A one-dimensional array of strings, elements, nodes, or functions (which
+ *   return single strings, elements, or nodes).
+ *
+ * - Function
+ *   If the sole argument, is expected to produce a string, element,
+ *   node, or array.
+ *
+ * @borrows dom:appendContents as videojs.appendContet
+ * @deprecated Use videojs.dom.appendContent() instead
+ */
+
+/**
+ * Normalizes and inserts content into an element; this is identical to
+ * `appendContent()`, except it empties the element first.
+ *
+ * The content for an element can be passed in multiple types and
+ * combinations, whose behavior is as follows:
+ *
+ * - String
+ *   Normalized into a text node.
+ *
+ * - Element, TextNode
+ *   Passed through.
+ *
+ * - Array
+ *   A one-dimensional array of strings, elements, nodes, or functions (which
+ *   return single strings, elements, or nodes).
+ *
+ * - Function
+ *   If the sole argument, is expected to produce a string, element,
+ *   node, or array.
+ *
+ * @borrows dom:insertContent as videojs.insertContent
+ * @deprecated Use videojs.dom.insertContent() instead
+ */
+['isEl', 'isTextNode', 'createEl', 'hasClass', 'addClass', 'removeClass', 'toggleClass', 'setAttributes', 'getAttributes', 'emptyEl', 'appendContent', 'insertContent'].forEach(function (k) {
+  videojs$1[k] = function () {
+    log$1.warn('videojs.' + k + '() is deprecated; use videojs.dom.' + k + '() instead');
+    return Dom[k].apply(null, arguments);
+  };
+});
+
+/**
+ * A safe getComputedStyle.
+ *
+ * This is because in Firefox, if the player is loaded in an iframe with `display:none`,
+ * then `getComputedStyle` returns `null`, so, we do a null-check to make sure
+ * that the player doesn't break in these cases.
+ * See https://bugzilla.mozilla.org/show_bug.cgi?id=548397 for more details.
+ *
+ * @borrows computed-style:computedStyle as videojs.computedStyle
+ */
+videojs$1.computedStyle = computedStyle;
+
+/**
+ * Export the Dom utilities for use in external plugins
+ * and Tech's
+ */
+videojs$1.dom = Dom;
+
+/**
+ * Export the Url utilities for use in external plugins
+ * and Tech's
+ */
+videojs$1.url = Url;
+
+/**
+ * @videojs/http-streaming
+ * @version 1.2.6
+ * @copyright 2018 Brightcove, Inc
+ * @license Apache-2.0
+ */
+
+/**
+ * @file resolve-url.js
+ */
+
+var resolveUrl = function resolveUrl(baseURL, relativeURL) {
+  // return early if we don't need to resolve
+  if (/^[a-z]+:/i.test(relativeURL)) {
+    return relativeURL;
+  }
+
+  // if the base URL is relative then combine with the current location
+  if (!/\/\//i.test(baseURL)) {
+    baseURL = URLToolkit.buildAbsoluteURL(window$1.location.href, baseURL);
+  }
+
+  return URLToolkit.buildAbsoluteURL(baseURL, relativeURL);
+};
+
+var classCallCheck$1 = function classCallCheck$$1(instance, Constructor) {
+  if (!(instance instanceof Constructor)) {
+    throw new TypeError("Cannot call a class as a function");
+  }
+};
+
+var createClass$1 = function () {
+  function defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
+    }
+  }
+
+  return function (Constructor, protoProps, staticProps) {
+    if (protoProps) defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) defineProperties(Constructor, staticProps);
+    return Constructor;
+  };
+}();
+
+var get$2 = function get$$1(object, property, receiver) {
+  if (object === null) object = Function.prototype;
+  var desc = Object.getOwnPropertyDescriptor(object, property);
+
+  if (desc === undefined) {
+    var parent = Object.getPrototypeOf(object);
+
+    if (parent === null) {
+      return undefined;
+    } else {
+      return get$$1(parent, property, receiver);
+    }
+  } else if ("value" in desc) {
+    return desc.value;
+  } else {
+    var getter = desc.get;
+
+    if (getter === undefined) {
+      return undefined;
+    }
+
+    return getter.call(receiver);
+  }
+};
+
+var inherits$1 = function inherits$$1(subClass, superClass) {
+  if (typeof superClass !== "function" && superClass !== null) {
+    throw new TypeError("Super expression must either be null or a function, not " + (typeof superClass === 'undefined' ? 'undefined' : _typeof(superClass)));
+  }
+
+  subClass.prototype = Object.create(superClass && superClass.prototype, {
+    constructor: {
+      value: subClass,
+      enumerable: false,
+      writable: true,
+      configurable: true
+    }
+  });
+  if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
+};
+
+var possibleConstructorReturn$1 = function possibleConstructorReturn$$1(self, call) {
+  if (!self) {
+    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+  }
+
+  return call && ((typeof call === 'undefined' ? 'undefined' : _typeof(call)) === "object" || typeof call === "function") ? call : self;
+};
+
+var slicedToArray$1 = function () {
+  function sliceIterator(arr, i) {
+    var _arr = [];
+    var _n = true;
+    var _d = false;
+    var _e = undefined;
+
+    try {
+      for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
+        _arr.push(_s.value);
+
+        if (i && _arr.length === i) break;
+      }
+    } catch (err) {
+      _d = true;
+      _e = err;
+    } finally {
+      try {
+        if (!_n && _i["return"]) _i["return"]();
+      } finally {
+        if (_d) throw _e;
+      }
+    }
+
+    return _arr;
+  }
+
+  return function (arr, i) {
+    if (Array.isArray(arr)) {
+      return arr;
+    } else if (Symbol.iterator in Object(arr)) {
+      return sliceIterator(arr, i);
+    } else {
+      throw new TypeError("Invalid attempt to destructure non-iterable instance");
+    }
+  };
+}();
+
+/**
+ * @file playlist-loader.js
+ *
+ * A state machine that manages the loading, caching, and updating of
+ * M3U8 playlists.
+ *
+ */
+
+var mergeOptions$1 = videojs$1.mergeOptions,
+    EventTarget$1 = videojs$1.EventTarget,
+    log$2 = videojs$1.log;
+
+/**
+ * Loops through all supported media groups in master and calls the provided
+ * callback for each group
+ *
+ * @param {Object} master
+ *        The parsed master manifest object
+ * @param {Function} callback
+ *        Callback to call for each media group
+ */
+
+var forEachMediaGroup = function forEachMediaGroup(master, callback) {
+  ['AUDIO', 'SUBTITLES'].forEach(function (mediaType) {
+    for (var groupKey in master.mediaGroups[mediaType]) {
+      for (var labelKey in master.mediaGroups[mediaType][groupKey]) {
+        var mediaProperties = master.mediaGroups[mediaType][groupKey][labelKey];
+
+        callback(mediaProperties, mediaType, groupKey, labelKey);
+      }
+    }
+  });
+};
+
+/**
+  * Returns a new array of segments that is the result of merging
+  * properties from an older list of segments onto an updated
+  * list. No properties on the updated playlist will be overridden.
+  *
+  * @param {Array} original the outdated list of segments
+  * @param {Array} update the updated list of segments
+  * @param {Number=} offset the index of the first update
+  * segment in the original segment list. For non-live playlists,
+  * this should always be zero and does not need to be
+  * specified. For live playlists, it should be the difference
+  * between the media sequence numbers in the original and updated
+  * playlists.
+  * @return a list of merged segment objects
+  */
+var updateSegments = function updateSegments(original, update, offset) {
+  var result = update.slice();
+
+  offset = offset || 0;
+  var length = Math.min(original.length, update.length + offset);
+
+  for (var i = offset; i < length; i++) {
+    result[i - offset] = mergeOptions$1(original[i], result[i - offset]);
+  }
+  return result;
+};
+
+var resolveSegmentUris = function resolveSegmentUris(segment, baseUri) {
+  if (!segment.resolvedUri) {
+    segment.resolvedUri = resolveUrl(baseUri, segment.uri);
+  }
+  if (segment.key && !segment.key.resolvedUri) {
+    segment.key.resolvedUri = resolveUrl(baseUri, segment.key.uri);
+  }
+  if (segment.map && !segment.map.resolvedUri) {
+    segment.map.resolvedUri = resolveUrl(baseUri, segment.map.uri);
+  }
+};
+
+/**
+  * Returns a new master playlist that is the result of merging an
+  * updated media playlist into the original version. If the
+  * updated media playlist does not match any of the playlist
+  * entries in the original master playlist, null is returned.
+  *
+  * @param {Object} master a parsed master M3U8 object
+  * @param {Object} media a parsed media M3U8 object
+  * @return {Object} a new object that represents the original
+  * master playlist with the updated media playlist merged in, or
+  * null if the merge produced no change.
+  */
+var updateMaster = function updateMaster(master, media) {
+  var result = mergeOptions$1(master, {});
+  var playlist = result.playlists[media.uri];
+
+  if (!playlist) {
+    return null;
+  }
+
+  // consider the playlist unchanged if the number of segments is equal and the media
+  // sequence number is unchanged
+  if (playlist.segments && media.segments && playlist.segments.length === media.segments.length && playlist.mediaSequence === media.mediaSequence) {
+    return null;
+  }
+
+  var mergedPlaylist = mergeOptions$1(playlist, media);
+
+  // if the update could overlap existing segment information, merge the two segment lists
+  if (playlist.segments) {
+    mergedPlaylist.segments = updateSegments(playlist.segments, media.segments, media.mediaSequence - playlist.mediaSequence);
+  }
+
+  // resolve any segment URIs to prevent us from having to do it later
+  mergedPlaylist.segments.forEach(function (segment) {
+    resolveSegmentUris(segment, mergedPlaylist.resolvedUri);
+  });
+
+  // TODO Right now in the playlists array there are two references to each playlist, one
+  // that is referenced by index, and one by URI. The index reference may no longer be
+  // necessary.
+  for (var i = 0; i < result.playlists.length; i++) {
+    if (result.playlists[i].uri === media.uri) {
+      result.playlists[i] = mergedPlaylist;
+    }
+  }
+  result.playlists[media.uri] = mergedPlaylist;
+
+  return result;
+};
+
+var setupMediaPlaylists = function setupMediaPlaylists(master) {
+  // setup by-URI lookups and resolve media playlist URIs
+  var i = master.playlists.length;
+
+  while (i--) {
+    var playlist = master.playlists[i];
+
+    master.playlists[playlist.uri] = playlist;
+    playlist.resolvedUri = resolveUrl(master.uri, playlist.uri);
+    playlist.id = i;
+
+    if (!playlist.attributes) {
+      // Although the spec states an #EXT-X-STREAM-INF tag MUST have a
+      // BANDWIDTH attribute, we can play the stream without it. This means a poorly
+      // formatted master playlist may not have an attribute list. An attributes
+      // property is added here to prevent undefined references when we encounter
+      // this scenario.
+      playlist.attributes = {};
+
+      log$2.warn('Invalid playlist STREAM-INF detected. Missing BANDWIDTH attribute.');
+    }
+  }
+};
+
+var resolveMediaGroupUris = function resolveMediaGroupUris(master) {
+  forEachMediaGroup(master, function (properties) {
+    if (properties.uri) {
+      properties.resolvedUri = resolveUrl(master.uri, properties.uri);
+    }
+  });
+};
+
+/**
+ * Calculates the time to wait before refreshing a live playlist
+ *
+ * @param {Object} media
+ *        The current media
+ * @param {Boolean} update
+ *        True if there were any updates from the last refresh, false otherwise
+ * @return {Number}
+ *         The time in ms to wait before refreshing the live playlist
+ */
+var refreshDelay = function refreshDelay(media, update) {
+  var lastSegment = media.segments[media.segments.length - 1];
+  var delay = void 0;
+
+  if (update && lastSegment && lastSegment.duration) {
+    delay = lastSegment.duration * 1000;
+  } else {
+    // if the playlist is unchanged since the last reload or last segment duration
+    // cannot be determined, try again after half the target duration
+    delay = (media.targetDuration || 10) * 500;
+  }
+  return delay;
+};
+
+/**
+ * Load a playlist from a remote location
+ *
+ * @class PlaylistLoader
+ * @extends Stream
+ * @param {String} srcUrl the url to start with
+ * @param {Boolean} withCredentials the withCredentials xhr option
+ * @constructor
+ */
+
+var PlaylistLoader = function (_EventTarget) {
+  inherits$1(PlaylistLoader, _EventTarget);
+
+  function PlaylistLoader(srcUrl, hls, withCredentials) {
+    classCallCheck$1(this, PlaylistLoader);
+
+    var _this = possibleConstructorReturn$1(this, (PlaylistLoader.__proto__ || Object.getPrototypeOf(PlaylistLoader)).call(this));
+
+    _this.srcUrl = srcUrl;
+    _this.hls_ = hls;
+    _this.withCredentials = withCredentials;
+
+    if (!_this.srcUrl) {
+      throw new Error('A non-empty playlist URL is required');
+    }
+
+    // initialize the loader state
+    _this.state = 'HAVE_NOTHING';
+
+    // live playlist staleness timeout
+    _this.on('mediaupdatetimeout', function () {
+      if (_this.state !== 'HAVE_METADATA') {
+        // only refresh the media playlist if no other activity is going on
+        return;
+      }
+
+      _this.state = 'HAVE_CURRENT_METADATA';
+
+      _this.request = _this.hls_.xhr({
+        uri: resolveUrl(_this.master.uri, _this.media().uri),
+        withCredentials: _this.withCredentials
+      }, function (error, req) {
+        // disposed
+        if (!_this.request) {
+          return;
+        }
+
+        if (error) {
+          return _this.playlistRequestError(_this.request, _this.media().uri, 'HAVE_METADATA');
+        }
+
+        _this.haveMetadata(_this.request, _this.media().uri);
+      });
+    });
+    return _this;
+  }
+
+  createClass$1(PlaylistLoader, [{
+    key: 'playlistRequestError',
+    value: function playlistRequestError(xhr$$1, url, startingState) {
+      // any in-flight request is now finished
+      this.request = null;
+
+      if (startingState) {
+        this.state = startingState;
+      }
+
+      this.error = {
+        playlist: this.master.playlists[url],
+        status: xhr$$1.status,
+        message: 'HLS playlist request error at URL: ' + url,
+        responseText: xhr$$1.responseText,
+        code: xhr$$1.status >= 500 ? 4 : 2
+      };
+
+      this.trigger('error');
+    }
+
+    // update the playlist loader's state in response to a new or
+    // updated playlist.
+
+  }, {
+    key: 'haveMetadata',
+    value: function haveMetadata(xhr$$1, url) {
+      var _this2 = this;
+
+      // any in-flight request is now finished
+      this.request = null;
+      this.state = 'HAVE_METADATA';
+
+      var parser = new m3u8Parser.Parser();
+
+      parser.push(xhr$$1.responseText);
+      parser.end();
+      parser.manifest.uri = url;
+      // m3u8-parser does not attach an attributes property to media playlists so make
+      // sure that the property is attached to avoid undefined reference errors
+      parser.manifest.attributes = parser.manifest.attributes || {};
+
+      // merge this playlist into the master
+      var update = updateMaster(this.master, parser.manifest);
+
+      this.targetDuration = parser.manifest.targetDuration;
+
+      if (update) {
+        this.master = update;
+        this.media_ = this.master.playlists[parser.manifest.uri];
+      } else {
+        this.trigger('playlistunchanged');
+      }
+
+      // refresh live playlists after a target duration passes
+      if (!this.media().endList) {
+        window$1.clearTimeout(this.mediaUpdateTimeout);
+        this.mediaUpdateTimeout = window$1.setTimeout(function () {
+          _this2.trigger('mediaupdatetimeout');
+        }, refreshDelay(this.media(), !!update));
+      }
+
+      this.trigger('loadedplaylist');
+    }
+
+    /**
+     * Abort any outstanding work and clean up.
+     */
+
+  }, {
+    key: 'dispose',
+    value: function dispose() {
+      this.stopRequest();
+      window$1.clearTimeout(this.mediaUpdateTimeout);
+    }
+  }, {
+    key: 'stopRequest',
+    value: function stopRequest() {
+      if (this.request) {
+        var oldRequest = this.request;
+
+        this.request = null;
+        oldRequest.onreadystatechange = null;
+        oldRequest.abort();
+      }
+    }
+
+    /**
+     * When called without any arguments, returns the currently
+     * active media playlist. When called with a single argument,
+     * triggers the playlist loader to asynchronously switch to the
+     * specified media playlist. Calling this method while the
+     * loader is in the HAVE_NOTHING causes an error to be emitted
+     * but otherwise has no effect.
+     *
+     * @param {Object=} playlist the parsed media playlist
+     * object to switch to
+     * @return {Playlist} the current loaded media
+     */
+
+  }, {
+    key: 'media',
+    value: function media(playlist) {
+      var _this3 = this;
+
+      // getter
+      if (!playlist) {
+        return this.media_;
+      }
+
+      // setter
+      if (this.state === 'HAVE_NOTHING') {
+        throw new Error('Cannot switch media playlist from ' + this.state);
+      }
+
+      var startingState = this.state;
+
+      // find the playlist object if the target playlist has been
+      // specified by URI
+      if (typeof playlist === 'string') {
+        if (!this.master.playlists[playlist]) {
+          throw new Error('Unknown playlist URI: ' + playlist);
+        }
+        playlist = this.master.playlists[playlist];
+      }
+
+      var mediaChange = !this.media_ || playlist.uri !== this.media_.uri;
+
+      // switch to fully loaded playlists immediately
+      if (this.master.playlists[playlist.uri].endList) {
+        // abort outstanding playlist requests
+        if (this.request) {
+          this.request.onreadystatechange = null;
+          this.request.abort();
+          this.request = null;
+        }
+        this.state = 'HAVE_METADATA';
+        this.media_ = playlist;
+
+        // trigger media change if the active media has been updated
+        if (mediaChange) {
+          this.trigger('mediachanging');
+          this.trigger('mediachange');
+        }
+        return;
+      }
+
+      // switching to the active playlist is a no-op
+      if (!mediaChange) {
+        return;
+      }
+
+      this.state = 'SWITCHING_MEDIA';
+
+      // there is already an outstanding playlist request
+      if (this.request) {
+        if (resolveUrl(this.master.uri, playlist.uri) === this.request.url) {
+          // requesting to switch to the same playlist multiple times
+          // has no effect after the first
+          return;
+        }
+        this.request.onreadystatechange = null;
+        this.request.abort();
+        this.request = null;
+      }
+
+      // request the new playlist
+      if (this.media_) {
+        this.trigger('mediachanging');
+      }
+
+      this.request = this.hls_.xhr({
+        uri: resolveUrl(this.master.uri, playlist.uri),
+        withCredentials: this.withCredentials
+      }, function (error, req) {
+        // disposed
+        if (!_this3.request) {
+          return;
+        }
+
+        if (error) {
+          return _this3.playlistRequestError(_this3.request, playlist.uri, startingState);
+        }
+
+        _this3.haveMetadata(req, playlist.uri);
+
+        // fire loadedmetadata the first time a media playlist is loaded
+        if (startingState === 'HAVE_MASTER') {
+          _this3.trigger('loadedmetadata');
+        } else {
+          _this3.trigger('mediachange');
+        }
+      });
+    }
+
+    /**
+     * pause loading of the playlist
+     */
+
+  }, {
+    key: 'pause',
+    value: function pause() {
+      this.stopRequest();
+      window$1.clearTimeout(this.mediaUpdateTimeout);
+      if (this.state === 'HAVE_NOTHING') {
+        // If we pause the loader before any data has been retrieved, its as if we never
+        // started, so reset to an unstarted state.
+        this.started = false;
+      }
+      // Need to restore state now that no activity is happening
+      if (this.state === 'SWITCHING_MEDIA') {
+        // if the loader was in the process of switching media, it should either return to
+        // HAVE_MASTER or HAVE_METADATA depending on if the loader has loaded a media
+        // playlist yet. This is determined by the existence of loader.media_
+        if (this.media_) {
+          this.state = 'HAVE_METADATA';
+        } else {
+          this.state = 'HAVE_MASTER';
+        }
+      } else if (this.state === 'HAVE_CURRENT_METADATA') {
+        this.state = 'HAVE_METADATA';
+      }
+    }
+
+    /**
+     * start loading of the playlist
+     */
+
+  }, {
+    key: 'load',
+    value: function load(isFinalRendition) {
+      var _this4 = this;
+
+      window$1.clearTimeout(this.mediaUpdateTimeout);
+
+      var media = this.media();
+
+      if (isFinalRendition) {
+        var delay = media ? media.targetDuration / 2 * 1000 : 5 * 1000;
+
+        this.mediaUpdateTimeout = window$1.setTimeout(function () {
+          return _this4.load();
+        }, delay);
+        return;
+      }
+
+      if (!this.started) {
+        this.start();
+        return;
+      }
+
+      if (media && !media.endList) {
+        this.trigger('mediaupdatetimeout');
+      } else {
+        this.trigger('loadedplaylist');
+      }
+    }
+
+    /**
+     * start loading of the playlist
+     */
+
+  }, {
+    key: 'start',
+    value: function start() {
+      var _this5 = this;
+
+      this.started = true;
+
+      // request the specified URL
+      this.request = this.hls_.xhr({
+        uri: this.srcUrl,
+        withCredentials: this.withCredentials
+      }, function (error, req) {
+        // disposed
+        if (!_this5.request) {
+          return;
+        }
+
+        // clear the loader's request reference
+        _this5.request = null;
+
+        if (error) {
+          _this5.error = {
+            status: req.status,
+            message: 'HLS playlist request error at URL: ' + _this5.srcUrl,
+            responseText: req.responseText,
+            // MEDIA_ERR_NETWORK
+            code: 2
+          };
+          if (_this5.state === 'HAVE_NOTHING') {
+            _this5.started = false;
+          }
+          return _this5.trigger('error');
+        }
+
+        var parser = new m3u8Parser.Parser();
+
+        parser.push(req.responseText);
+        parser.end();
+
+        _this5.state = 'HAVE_MASTER';
+
+        parser.manifest.uri = _this5.srcUrl;
+
+        // loaded a master playlist
+        if (parser.manifest.playlists) {
+          _this5.master = parser.manifest;
+
+          setupMediaPlaylists(_this5.master);
+          resolveMediaGroupUris(_this5.master);
+
+          _this5.trigger('loadedplaylist');
+          if (!_this5.request) {
+            // no media playlist was specifically selected so start
+            // from the first listed one
+            _this5.media(parser.manifest.playlists[0]);
+          }
+          return;
+        }
+
+        // loaded a media playlist
+        // infer a master playlist if none was previously requested
+        _this5.master = {
+          mediaGroups: {
+            'AUDIO': {},
+            'VIDEO': {},
+            'CLOSED-CAPTIONS': {},
+            'SUBTITLES': {}
+          },
+          uri: window$1.location.href,
+          playlists: [{
+            uri: _this5.srcUrl,
+            id: 0
+          }]
+        };
+        _this5.master.playlists[_this5.srcUrl] = _this5.master.playlists[0];
+        _this5.master.playlists[0].resolvedUri = _this5.srcUrl;
+        // m3u8-parser does not attach an attributes property to media playlists so make
+        // sure that the property is attached to avoid undefined reference errors
+        _this5.master.playlists[0].attributes = _this5.master.playlists[0].attributes || {};
+        _this5.haveMetadata(req, _this5.srcUrl);
+        return _this5.trigger('loadedmetadata');
+      });
+    }
+  }]);
+  return PlaylistLoader;
+}(EventTarget$1);
+
+/**
+ * @file playlist.js
+ *
+ * Playlist related utilities.
+ */
+
+var createTimeRange = videojs$1.createTimeRange;
+
+/**
+ * walk backward until we find a duration we can use
+ * or return a failure
+ *
+ * @param {Playlist} playlist the playlist to walk through
+ * @param {Number} endSequence the mediaSequence to stop walking on
+ */
+
+var backwardDuration = function backwardDuration(playlist, endSequence) {
+  var result = 0;
+  var i = endSequence - playlist.mediaSequence;
+  // if a start time is available for segment immediately following
+  // the interval, use it
+  var segment = playlist.segments[i];
+
+  // Walk backward until we find the latest segment with timeline
+  // information that is earlier than endSequence
+  if (segment) {
+    if (typeof segment.start !== 'undefined') {
+      return { result: segment.start, precise: true };
+    }
+    if (typeof segment.end !== 'undefined') {
+      return {
+        result: segment.end - segment.duration,
+        precise: true
+      };
+    }
+  }
+  while (i--) {
+    segment = playlist.segments[i];
+    if (typeof segment.end !== 'undefined') {
+      return { result: result + segment.end, precise: true };
+    }
+
+    result += segment.duration;
+
+    if (typeof segment.start !== 'undefined') {
+      return { result: result + segment.start, precise: true };
+    }
+  }
+  return { result: result, precise: false };
+};
+
+/**
+ * walk forward until we find a duration we can use
+ * or return a failure
+ *
+ * @param {Playlist} playlist the playlist to walk through
+ * @param {Number} endSequence the mediaSequence to stop walking on
+ */
+var forwardDuration = function forwardDuration(playlist, endSequence) {
+  var result = 0;
+  var segment = void 0;
+  var i = endSequence - playlist.mediaSequence;
+  // Walk forward until we find the earliest segment with timeline
+  // information
+
+  for (; i < playlist.segments.length; i++) {
+    segment = playlist.segments[i];
+    if (typeof segment.start !== 'undefined') {
+      return {
+        result: segment.start - result,
+        precise: true
+      };
+    }
+
+    result += segment.duration;
+
+    if (typeof segment.end !== 'undefined') {
+      return {
+        result: segment.end - result,
+        precise: true
+      };
+    }
+  }
+  // indicate we didn't find a useful duration estimate
+  return { result: -1, precise: false };
+};
+
+/**
+  * Calculate the media duration from the segments associated with a
+  * playlist. The duration of a subinterval of the available segments
+  * may be calculated by specifying an end index.
+  *
+  * @param {Object} playlist a media playlist object
+  * @param {Number=} endSequence an exclusive upper boundary
+  * for the playlist.  Defaults to playlist length.
+  * @param {Number} expired the amount of time that has dropped
+  * off the front of the playlist in a live scenario
+  * @return {Number} the duration between the first available segment
+  * and end index.
+  */
+var intervalDuration = function intervalDuration(playlist, endSequence, expired) {
+  var backward = void 0;
+  var forward = void 0;
+
+  if (typeof endSequence === 'undefined') {
+    endSequence = playlist.mediaSequence + playlist.segments.length;
+  }
+
+  if (endSequence < playlist.mediaSequence) {
+    return 0;
+  }
+
+  // do a backward walk to estimate the duration
+  backward = backwardDuration(playlist, endSequence);
+  if (backward.precise) {
+    // if we were able to base our duration estimate on timing
+    // information provided directly from the Media Source, return
+    // it
+    return backward.result;
+  }
+
+  // walk forward to see if a precise duration estimate can be made
+  // that way
+  forward = forwardDuration(playlist, endSequence);
+  if (forward.precise) {
+    // we found a segment that has been buffered and so it's
+    // position is known precisely
+    return forward.result;
+  }
+
+  // return the less-precise, playlist-based duration estimate
+  return backward.result + expired;
+};
+
+/**
+  * Calculates the duration of a playlist. If a start and end index
+  * are specified, the duration will be for the subset of the media
+  * timeline between those two indices. The total duration for live
+  * playlists is always Infinity.
+  *
+  * @param {Object} playlist a media playlist object
+  * @param {Number=} endSequence an exclusive upper
+  * boundary for the playlist. Defaults to the playlist media
+  * sequence number plus its length.
+  * @param {Number=} expired the amount of time that has
+  * dropped off the front of the playlist in a live scenario
+  * @return {Number} the duration between the start index and end
+  * index.
+  */
+var duration = function duration(playlist, endSequence, expired) {
+  if (!playlist) {
+    return 0;
+  }
+
+  if (typeof expired !== 'number') {
+    expired = 0;
+  }
+
+  // if a slice of the total duration is not requested, use
+  // playlist-level duration indicators when they're present
+  if (typeof endSequence === 'undefined') {
+    // if present, use the duration specified in the playlist
+    if (playlist.totalDuration) {
+      return playlist.totalDuration;
+    }
+
+    // duration should be Infinity for live playlists
+    if (!playlist.endList) {
+      return window$1.Infinity;
+    }
+  }
+
+  // calculate the total duration based on the segment durations
+  return intervalDuration(playlist, endSequence, expired);
+};
+
+/**
+  * Calculate the time between two indexes in the current playlist
+  * neight the start- nor the end-index need to be within the current
+  * playlist in which case, the targetDuration of the playlist is used
+  * to approximate the durations of the segments
+  *
+  * @param {Object} playlist a media playlist object
+  * @param {Number} startIndex
+  * @param {Number} endIndex
+  * @return {Number} the number of seconds between startIndex and endIndex
+  */
+var sumDurations = function sumDurations(playlist, startIndex, endIndex) {
+  var durations = 0;
+
+  if (startIndex > endIndex) {
+    var _ref = [endIndex, startIndex];
+    startIndex = _ref[0];
+    endIndex = _ref[1];
+  }
+
+  if (startIndex < 0) {
+    for (var i = startIndex; i < Math.min(0, endIndex); i++) {
+      durations += playlist.targetDuration;
+    }
+    startIndex = 0;
+  }
+
+  for (var _i = startIndex; _i < endIndex; _i++) {
+    durations += playlist.segments[_i].duration;
+  }
+
+  return durations;
+};
+
+/**
+ * Determines the media index of the segment corresponding to the safe edge of the live
+ * window which is the duration of the last segment plus 2 target durations from the end
+ * of the playlist.
+ *
+ * @param {Object} playlist
+ *        a media playlist object
+ * @return {Number}
+ *         The media index of the segment at the safe live point. 0 if there is no "safe"
+ *         point.
+ * @function safeLiveIndex
+ */
+var safeLiveIndex = function safeLiveIndex(playlist) {
+  if (!playlist.segments.length) {
+    return 0;
+  }
+
+  var i = playlist.segments.length - 1;
+  var distanceFromEnd = playlist.segments[i].duration || playlist.targetDuration;
+  var safeDistance = distanceFromEnd + playlist.targetDuration * 2;
+
+  while (i--) {
+    distanceFromEnd += playlist.segments[i].duration;
+
+    if (distanceFromEnd >= safeDistance) {
+      break;
+    }
+  }
+
+  return Math.max(0, i);
+};
+
+/**
+ * Calculates the playlist end time
+ *
+ * @param {Object} playlist a media playlist object
+ * @param {Number=} expired the amount of time that has
+ *                  dropped off the front of the playlist in a live scenario
+ * @param {Boolean|false} useSafeLiveEnd a boolean value indicating whether or not the
+ *                        playlist end calculation should consider the safe live end
+ *                        (truncate the playlist end by three segments). This is normally
+ *                        used for calculating the end of the playlist's seekable range.
+ * @returns {Number} the end time of playlist
+ * @function playlistEnd
+ */
+var playlistEnd = function playlistEnd(playlist, expired, useSafeLiveEnd) {
+  if (!playlist || !playlist.segments) {
+    return null;
+  }
+  if (playlist.endList) {
+    return duration(playlist);
+  }
+
+  if (expired === null) {
+    return null;
+  }
+
+  expired = expired || 0;
+
+  var endSequence = useSafeLiveEnd ? safeLiveIndex(playlist) : playlist.segments.length;
+
+  return intervalDuration(playlist, playlist.mediaSequence + endSequence, expired);
+};
+
+/**
+  * Calculates the interval of time that is currently seekable in a
+  * playlist. The returned time ranges are relative to the earliest
+  * moment in the specified playlist that is still available. A full
+  * seekable implementation for live streams would need to offset
+  * these values by the duration of content that has expired from the
+  * stream.
+  *
+  * @param {Object} playlist a media playlist object
+  * dropped off the front of the playlist in a live scenario
+  * @param {Number=} expired the amount of time that has
+  * dropped off the front of the playlist in a live scenario
+  * @return {TimeRanges} the periods of time that are valid targets
+  * for seeking
+  */
+var seekable = function seekable(playlist, expired) {
+  var useSafeLiveEnd = true;
+  var seekableStart = expired || 0;
+  var seekableEnd = playlistEnd(playlist, expired, useSafeLiveEnd);
+
+  if (seekableEnd === null) {
+    return createTimeRange();
+  }
+  return createTimeRange(seekableStart, seekableEnd);
+};
+
+var isWholeNumber = function isWholeNumber(num) {
+  return num - Math.floor(num) === 0;
+};
+
+var roundSignificantDigit = function roundSignificantDigit(increment, num) {
+  // If we have a whole number, just add 1 to it
+  if (isWholeNumber(num)) {
+    return num + increment * 0.1;
+  }
+
+  var numDecimalDigits = num.toString().split('.')[1].length;
+
+  for (var i = 1; i <= numDecimalDigits; i++) {
+    var scale = Math.pow(10, i);
+    var temp = num * scale;
+
+    if (isWholeNumber(temp) || i === numDecimalDigits) {
+      return (temp + increment) / scale;
+    }
+  }
+};
+
+var ceilLeastSignificantDigit = roundSignificantDigit.bind(null, 1);
+var floorLeastSignificantDigit = roundSignificantDigit.bind(null, -1);
+
+/**
+ * Determine the index and estimated starting time of the segment that
+ * contains a specified playback position in a media playlist.
+ *
+ * @param {Object} playlist the media playlist to query
+ * @param {Number} currentTime The number of seconds since the earliest
+ * possible position to determine the containing segment for
+ * @param {Number} startIndex
+ * @param {Number} startTime
+ * @return {Object}
+ */
+var getMediaInfoForTime = function getMediaInfoForTime(playlist, currentTime, startIndex, startTime) {
+  var i = void 0;
+  var segment = void 0;
+  var numSegments = playlist.segments.length;
+
+  var time = currentTime - startTime;
+
+  if (time < 0) {
+    // Walk backward from startIndex in the playlist, adding durations
+    // until we find a segment that contains `time` and return it
+    if (startIndex > 0) {
+      for (i = startIndex - 1; i >= 0; i--) {
+        segment = playlist.segments[i];
+        time += floorLeastSignificantDigit(segment.duration);
+        if (time > 0) {
+          return {
+            mediaIndex: i,
+            startTime: startTime - sumDurations(playlist, startIndex, i)
+          };
+        }
+      }
+    }
+    // We were unable to find a good segment within the playlist
+    // so select the first segment
+    return {
+      mediaIndex: 0,
+      startTime: currentTime
+    };
+  }
+
+  // When startIndex is negative, we first walk forward to first segment
+  // adding target durations. If we "run out of time" before getting to
+  // the first segment, return the first segment
+  if (startIndex < 0) {
+    for (i = startIndex; i < 0; i++) {
+      time -= playlist.targetDuration;
+      if (time < 0) {
+        return {
+          mediaIndex: 0,
+          startTime: currentTime
+        };
+      }
+    }
+    startIndex = 0;
+  }
+
+  // Walk forward from startIndex in the playlist, subtracting durations
+  // until we find a segment that contains `time` and return it
+  for (i = startIndex; i < numSegments; i++) {
+    segment = playlist.segments[i];
+    time -= ceilLeastSignificantDigit(segment.duration);
+    if (time < 0) {
+      return {
+        mediaIndex: i,
+        startTime: startTime + sumDurations(playlist, startIndex, i)
+      };
+    }
+  }
+
+  // We are out of possible candidates so load the last one...
+  return {
+    mediaIndex: numSegments - 1,
+    startTime: currentTime
+  };
+};
+
+/**
+ * Check whether the playlist is blacklisted or not.
+ *
+ * @param {Object} playlist the media playlist object
+ * @return {boolean} whether the playlist is blacklisted or not
+ * @function isBlacklisted
+ */
+var isBlacklisted = function isBlacklisted(playlist) {
+  return playlist.excludeUntil && playlist.excludeUntil > Date.now();
+};
+
+/**
+ * Check whether the playlist is compatible with current playback configuration or has
+ * been blacklisted permanently for being incompatible.
+ *
+ * @param {Object} playlist the media playlist object
+ * @return {boolean} whether the playlist is incompatible or not
+ * @function isIncompatible
+ */
+var isIncompatible = function isIncompatible(playlist) {
+  return playlist.excludeUntil && playlist.excludeUntil === Infinity;
+};
+
+/**
+ * Check whether the playlist is enabled or not.
+ *
+ * @param {Object} playlist the media playlist object
+ * @return {boolean} whether the playlist is enabled or not
+ * @function isEnabled
+ */
+var isEnabled = function isEnabled(playlist) {
+  var blacklisted = isBlacklisted(playlist);
+
+  return !playlist.disabled && !blacklisted;
+};
+
+/**
+ * Check whether the playlist has been manually disabled through the representations api.
+ *
+ * @param {Object} playlist the media playlist object
+ * @return {boolean} whether the playlist is disabled manually or not
+ * @function isDisabled
+ */
+var isDisabled = function isDisabled(playlist) {
+  return playlist.disabled;
+};
+
+/**
+ * Returns whether the current playlist is an AES encrypted HLS stream
+ *
+ * @return {Boolean} true if it's an AES encrypted HLS stream
+ */
+var isAes = function isAes(media) {
+  for (var i = 0; i < media.segments.length; i++) {
+    if (media.segments[i].key) {
+      return true;
+    }
+  }
+  return false;
+};
+
+/**
+ * Returns whether the current playlist contains fMP4
+ *
+ * @return {Boolean} true if the playlist contains fMP4
+ */
+var isFmp4 = function isFmp4(media) {
+  for (var i = 0; i < media.segments.length; i++) {
+    if (media.segments[i].map) {
+      return true;
+    }
+  }
+  return false;
+};
+
+/**
+ * Checks if the playlist has a value for the specified attribute
+ *
+ * @param {String} attr
+ *        Attribute to check for
+ * @param {Object} playlist
+ *        The media playlist object
+ * @return {Boolean}
+ *         Whether the playlist contains a value for the attribute or not
+ * @function hasAttribute
+ */
+var hasAttribute = function hasAttribute(attr, playlist) {
+  return playlist.attributes && playlist.attributes[attr];
+};
+
+/**
+ * Estimates the time required to complete a segment download from the specified playlist
+ *
+ * @param {Number} segmentDuration
+ *        Duration of requested segment
+ * @param {Number} bandwidth
+ *        Current measured bandwidth of the player
+ * @param {Object} playlist
+ *        The media playlist object
+ * @param {Number=} bytesReceived
+ *        Number of bytes already received for the request. Defaults to 0
+ * @return {Number|NaN}
+ *         The estimated time to request the segment. NaN if bandwidth information for
+ *         the given playlist is unavailable
+ * @function estimateSegmentRequestTime
+ */
+var estimateSegmentRequestTime = function estimateSegmentRequestTime(segmentDuration, bandwidth, playlist) {
+  var bytesReceived = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 0;
+
+  if (!hasAttribute('BANDWIDTH', playlist)) {
+    return NaN;
+  }
+
+  var size = segmentDuration * playlist.attributes.BANDWIDTH;
+
+  return (size - bytesReceived * 8) / bandwidth;
+};
+
+/*
+ * Returns whether the current playlist is the lowest rendition
+ *
+ * @return {Boolean} true if on lowest rendition
+ */
+var isLowestEnabledRendition = function isLowestEnabledRendition(master, media) {
+  if (master.playlists.length === 1) {
+    return true;
+  }
+
+  var currentBandwidth = media.attributes.BANDWIDTH || Number.MAX_VALUE;
+
+  return master.playlists.filter(function (playlist) {
+    if (!isEnabled(playlist)) {
+      return false;
+    }
+
+    return (playlist.attributes.BANDWIDTH || 0) < currentBandwidth;
+  }).length === 0;
+};
+
+// exports
+var Playlist = {
+  duration: duration,
+  seekable: seekable,
+  safeLiveIndex: safeLiveIndex,
+  getMediaInfoForTime: getMediaInfoForTime,
+  isEnabled: isEnabled,
+  isDisabled: isDisabled,
+  isBlacklisted: isBlacklisted,
+  isIncompatible: isIncompatible,
+  playlistEnd: playlistEnd,
+  isAes: isAes,
+  isFmp4: isFmp4,
+  hasAttribute: hasAttribute,
+  estimateSegmentRequestTime: estimateSegmentRequestTime,
+  isLowestEnabledRendition: isLowestEnabledRendition
+};
+
+/**
+ * @file xhr.js
+ */
+
+var videojsXHR = videojs$1.xhr,
+    mergeOptions$1$1 = videojs$1.mergeOptions;
+
+var xhrFactory = function xhrFactory() {
+  var xhr$$1 = function XhrFunction(options, callback) {
+    // Add a default timeout for all hls requests
+    options = mergeOptions$1$1({
+      timeout: 45e3
+    }, options);
+
+    // Allow an optional user-specified function to modify the option
+    // object before we construct the xhr request
+    var beforeRequest = XhrFunction.beforeRequest || videojs$1.Hls.xhr.beforeRequest;
+
+    if (beforeRequest && typeof beforeRequest === 'function') {
+      var newOptions = beforeRequest(options);
+
+      if (newOptions) {
+        options = newOptions;
+      }
+    }
+
+    var request = videojsXHR(options, function (error, response) {
+      var reqResponse = request.response;
+
+      if (!error && reqResponse) {
+        request.responseTime = Date.now();
+        request.roundTripTime = request.responseTime - request.requestTime;
+        request.bytesReceived = reqResponse.byteLength || reqResponse.length;
+        if (!request.bandwidth) {
+          request.bandwidth = Math.floor(request.bytesReceived / request.roundTripTime * 8 * 1000);
+        }
+      }
+
+      if (response.headers) {
+        request.responseHeaders = response.headers;
+      }
+
+      // videojs.xhr now uses a specific code on the error
+      // object to signal that a request has timed out instead
+      // of setting a boolean on the request object
+      if (error && error.code === 'ETIMEDOUT') {
+        request.timedout = true;
+      }
+
+      // videojs.xhr no longer considers status codes outside of 200 and 0
+      // (for file uris) to be errors, but the old XHR did, so emulate that
+      // behavior. Status 206 may be used in response to byterange requests.
+      if (!error && !request.aborted && response.statusCode !== 200 && response.statusCode !== 206 && response.statusCode !== 0) {
+        error = new Error('XHR Failed with a response of: ' + (request && (reqResponse || request.responseText)));
+      }
+
+      callback(error, request);
+    });
+    var originalAbort = request.abort;
+
+    request.abort = function () {
+      request.aborted = true;
+      return originalAbort.apply(request, arguments);
+    };
+    request.uri = options.uri;
+    request.requestTime = Date.now();
+    return request;
+  };
+
+  return xhr$$1;
+};
+
+/**
+ * @file bin-utils.js
+ */
+
+/**
+ * convert a TimeRange to text
+ *
+ * @param {TimeRange} range the timerange to use for conversion
+ * @param {Number} i the iterator on the range to convert
+ */
+var textRange = function textRange(range, i) {
+  return range.start(i) + '-' + range.end(i);
+};
+
+/**
+ * format a number as hex string
+ *
+ * @param {Number} e The number
+ * @param {Number} i the iterator
+ */
+var formatHexString = function formatHexString(e, i) {
+  var value = e.toString(16);
+
+  return '00'.substring(0, 2 - value.length) + value + (i % 2 ? ' ' : '');
+};
+var formatAsciiString = function formatAsciiString(e) {
+  if (e >= 0x20 && e < 0x7e) {
+    return String.fromCharCode(e);
+  }
+  return '.';
+};
+
+/**
+ * Creates an object for sending to a web worker modifying properties that are TypedArrays
+ * into a new object with seperated properties for the buffer, byteOffset, and byteLength.
+ *
+ * @param {Object} message
+ *        Object of properties and values to send to the web worker
+ * @return {Object}
+ *         Modified message with TypedArray values expanded
+ * @function createTransferableMessage
+ */
+var createTransferableMessage = function createTransferableMessage(message) {
+  var transferable = {};
+
+  Object.keys(message).forEach(function (key) {
+    var value = message[key];
+
+    if (ArrayBuffer.isView(value)) {
+      transferable[key] = {
+        bytes: value.buffer,
+        byteOffset: value.byteOffset,
+        byteLength: value.byteLength
+      };
+    } else {
+      transferable[key] = value;
+    }
+  });
+
+  return transferable;
+};
+
+/**
+ * Returns a unique string identifier for a media initialization
+ * segment.
+ */
+var initSegmentId = function initSegmentId(initSegment) {
+  var byterange = initSegment.byterange || {
+    length: Infinity,
+    offset: 0
+  };
+
+  return [byterange.length, byterange.offset, initSegment.resolvedUri].join(',');
+};
+
+/**
+ * utils to help dump binary data to the console
+ */
+var hexDump = function hexDump(data) {
+  var bytes = Array.prototype.slice.call(data);
+  var step = 16;
+  var result = '';
+  var hex = void 0;
+  var ascii = void 0;
+
+  for (var j = 0; j < bytes.length / step; j++) {
+    hex = bytes.slice(j * step, j * step + step).map(formatHexString).join('');
+    ascii = bytes.slice(j * step, j * step + step).map(formatAsciiString).join('');
+    result += hex + ' ' + ascii + '\n';
+  }
+
+  return result;
+};
+
+var tagDump = function tagDump(_ref) {
+  var bytes = _ref.bytes;
+  return hexDump(bytes);
+};
+
+var textRanges = function textRanges(ranges) {
+  var result = '';
+  var i = void 0;
+
+  for (i = 0; i < ranges.length; i++) {
+    result += textRange(ranges, i) + ' ';
+  }
+  return result;
+};
+
+var utils = /*#__PURE__*/Object.freeze({
+  createTransferableMessage: createTransferableMessage,
+  initSegmentId: initSegmentId,
+  hexDump: hexDump,
+  tagDump: tagDump,
+  textRanges: textRanges
+});
+
+/**
+ * ranges
+ *
+ * Utilities for working with TimeRanges.
+ *
+ */
+
+// Fudge factor to account for TimeRanges rounding
+var TIME_FUDGE_FACTOR = 1 / 30;
+// Comparisons between time values such as current time and the end of the buffered range
+// can be misleading because of precision differences or when the current media has poorly
+// aligned audio and video, which can cause values to be slightly off from what you would
+// expect. This value is what we consider to be safe to use in such comparisons to account
+// for these scenarios.
+var SAFE_TIME_DELTA = TIME_FUDGE_FACTOR * 3;
+var filterRanges = function filterRanges(timeRanges, predicate) {
+  var results = [];
+  var i = void 0;
+
+  if (timeRanges && timeRanges.length) {
+    // Search for ranges that match the predicate
+    for (i = 0; i < timeRanges.length; i++) {
+      if (predicate(timeRanges.start(i), timeRanges.end(i))) {
+        results.push([timeRanges.start(i), timeRanges.end(i)]);
+      }
+    }
+  }
+
+  return videojs$1.createTimeRanges(results);
+};
+
+/**
+ * Attempts to find the buffered TimeRange that contains the specified
+ * time.
+ * @param {TimeRanges} buffered - the TimeRanges object to query
+ * @param {number} time  - the time to filter on.
+ * @returns {TimeRanges} a new TimeRanges object
+ */
+var findRange = function findRange(buffered, time) {
+  return filterRanges(buffered, function (start, end) {
+    return start - TIME_FUDGE_FACTOR <= time && end + TIME_FUDGE_FACTOR >= time;
+  });
+};
+
+/**
+ * Returns the TimeRanges that begin later than the specified time.
+ * @param {TimeRanges} timeRanges - the TimeRanges object to query
+ * @param {number} time - the time to filter on.
+ * @returns {TimeRanges} a new TimeRanges object.
+ */
+var findNextRange = function findNextRange(timeRanges, time) {
+  return filterRanges(timeRanges, function (start) {
+    return start - TIME_FUDGE_FACTOR >= time;
+  });
+};
+
+/**
+ * Returns gaps within a list of TimeRanges
+ * @param {TimeRanges} buffered - the TimeRanges object
+ * @return {TimeRanges} a TimeRanges object of gaps
+ */
+var findGaps = function findGaps(buffered) {
+  if (buffered.length < 2) {
+    return videojs$1.createTimeRanges();
+  }
+
+  var ranges = [];
+
+  for (var i = 1; i < buffered.length; i++) {
+    var start = buffered.end(i - 1);
+    var end = buffered.start(i);
+
+    ranges.push([start, end]);
+  }
+
+  return videojs$1.createTimeRanges(ranges);
+};
+
+/**
+ * Gets a human readable string for a TimeRange
+ *
+ * @param {TimeRange} range
+ * @returns {String} a human readable string
+ */
+var printableRange = function printableRange(range) {
+  var strArr = [];
+
+  if (!range || !range.length) {
+    return '';
+  }
+
+  for (var i = 0; i < range.length; i++) {
+    strArr.push(range.start(i) + ' => ' + range.end(i));
+  }
+
+  return strArr.join(', ');
+};
+
+/**
+ * Calculates the amount of time left in seconds until the player hits the end of the
+ * buffer and causes a rebuffer
+ *
+ * @param {TimeRange} buffered
+ *        The state of the buffer
+ * @param {Numnber} currentTime
+ *        The current time of the player
+ * @param {Number} playbackRate
+ *        The current playback rate of the player. Defaults to 1.
+ * @return {Number}
+ *         Time until the player has to start rebuffering in seconds.
+ * @function timeUntilRebuffer
+ */
+var timeUntilRebuffer = function timeUntilRebuffer(buffered, currentTime) {
+  var playbackRate = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1;
+
+  var bufferedEnd = buffered.length ? buffered.end(buffered.length - 1) : 0;
+
+  return (bufferedEnd - currentTime) / playbackRate;
+};
+
+/**
+ * Converts a TimeRanges object into an array representation
+ * @param {TimeRanges} timeRanges
+ * @returns {Array}
+ */
+var timeRangesToArray = function timeRangesToArray(timeRanges) {
+  var timeRangesList = [];
+
+  for (var i = 0; i < timeRanges.length; i++) {
+    timeRangesList.push({
+      start: timeRanges.start(i),
+      end: timeRanges.end(i)
+    });
+  }
+
+  return timeRangesList;
+};
+
+/**
+ * @file create-text-tracks-if-necessary.js
+ */
+
+/**
+ * Create text tracks on video.js if they exist on a segment.
+ *
+ * @param {Object} sourceBuffer the VSB or FSB
+ * @param {Object} mediaSource the HTML media source
+ * @param {Object} segment the segment that may contain the text track
+ * @private
+ */
+var createTextTracksIfNecessary = function createTextTracksIfNecessary(sourceBuffer, mediaSource, segment) {
+  var player = mediaSource.player_;
+
+  // create an in-band caption track if one is present in the segment
+  if (segment.captions && segment.captions.length) {
+    if (!sourceBuffer.inbandTextTracks_) {
+      sourceBuffer.inbandTextTracks_ = {};
+    }
+
+    for (var trackId in segment.captionStreams) {
+      if (!sourceBuffer.inbandTextTracks_[trackId]) {
+        player.tech_.trigger({ type: 'usage', name: 'hls-608' });
+        var track = player.textTracks().getTrackById(trackId);
+
+        if (track) {
+          // Resuse an existing track with a CC# id because this was
+          // very likely created by videojs-contrib-hls from information
+          // in the m3u8 for us to use
+          sourceBuffer.inbandTextTracks_[trackId] = track;
+        } else {
+          // Otherwise, create a track with the default `CC#` label and
+          // without a language
+          sourceBuffer.inbandTextTracks_[trackId] = player.addRemoteTextTrack({
+            kind: 'captions',
+            id: trackId,
+            label: trackId
+          }, false).track;
+        }
+      }
+    }
+  }
+
+  if (segment.metadata && segment.metadata.length && !sourceBuffer.metadataTrack_) {
+    sourceBuffer.metadataTrack_ = player.addRemoteTextTrack({
+      kind: 'metadata',
+      label: 'Timed Metadata'
+    }, false).track;
+    sourceBuffer.metadataTrack_.inBandMetadataTrackDispatchType = segment.metadata.dispatchType;
+  }
+};
+
+/**
+ * @file remove-cues-from-track.js
+ */
+
+/**
+ * Remove cues from a track on video.js.
+ *
+ * @param {Double} start start of where we should remove the cue
+ * @param {Double} end end of where the we should remove the cue
+ * @param {Object} track the text track to remove the cues from
+ * @private
+ */
+var removeCuesFromTrack = function removeCuesFromTrack(start, end, track) {
+  var i = void 0;
+  var cue = void 0;
+
+  if (!track) {
+    return;
+  }
+
+  if (!track.cues) {
+    return;
+  }
+
+  i = track.cues.length;
+
+  while (i--) {
+    cue = track.cues[i];
+
+    // Remove any overlapping cue
+    if (cue.startTime <= end && cue.endTime >= start) {
+      track.removeCue(cue);
+    }
+  }
+};
+
+/**
+ * @file add-text-track-data.js
+ */
+/**
+ * Define properties on a cue for backwards compatability,
+ * but warn the user that the way that they are using it
+ * is depricated and will be removed at a later date.
+ *
+ * @param {Cue} cue the cue to add the properties on
+ * @private
+ */
+var deprecateOldCue = function deprecateOldCue(cue) {
+  Object.defineProperties(cue.frame, {
+    id: {
+      get: function get$$1() {
+        videojs$1.log.warn('cue.frame.id is deprecated. Use cue.value.key instead.');
+        return cue.value.key;
+      }
+    },
+    value: {
+      get: function get$$1() {
+        videojs$1.log.warn('cue.frame.value is deprecated. Use cue.value.data instead.');
+        return cue.value.data;
+      }
+    },
+    privateData: {
+      get: function get$$1() {
+        videojs$1.log.warn('cue.frame.privateData is deprecated. Use cue.value.data instead.');
+        return cue.value.data;
+      }
+    }
+  });
+};
+
+var durationOfVideo = function durationOfVideo(duration) {
+  var dur = void 0;
+
+  if (isNaN(duration) || Math.abs(duration) === Infinity) {
+    dur = Number.MAX_VALUE;
+  } else {
+    dur = duration;
+  }
+  return dur;
+};
+/**
+ * Add text track data to a source handler given the captions and
+ * metadata from the buffer.
+ *
+ * @param {Object} sourceHandler the virtual source buffer
+ * @param {Array} captionArray an array of caption data
+ * @param {Array} metadataArray an array of meta data
+ * @private
+ */
+var addTextTrackData = function addTextTrackData(sourceHandler, captionArray, metadataArray) {
+  var Cue = window$1.WebKitDataCue || window$1.VTTCue;
+
+  if (captionArray) {
+    captionArray.forEach(function (caption) {
+      var track = caption.stream;
+
+      this.inbandTextTracks_[track].addCue(new Cue(caption.startTime + this.timestampOffset, caption.endTime + this.timestampOffset, caption.text));
+    }, sourceHandler);
+  }
+
+  if (metadataArray) {
+    var videoDuration = durationOfVideo(sourceHandler.mediaSource_.duration);
+
+    metadataArray.forEach(function (metadata) {
+      var time = metadata.cueTime + this.timestampOffset;
+
+      metadata.frames.forEach(function (frame) {
+        var cue = new Cue(time, time, frame.value || frame.url || frame.data || '');
+
+        cue.frame = frame;
+        cue.value = frame;
+        deprecateOldCue(cue);
+
+        this.metadataTrack_.addCue(cue);
+      }, this);
+    }, sourceHandler);
+
+    // Updating the metadeta cues so that
+    // the endTime of each cue is the startTime of the next cue
+    // the endTime of last cue is the duration of the video
+    if (sourceHandler.metadataTrack_ && sourceHandler.metadataTrack_.cues && sourceHandler.metadataTrack_.cues.length) {
+      var cues = sourceHandler.metadataTrack_.cues;
+      var cuesArray = [];
+
+      // Create a copy of the TextTrackCueList...
+      // ...disregarding cues with a falsey value
+      for (var i = 0; i < cues.length; i++) {
+        if (cues[i]) {
+          cuesArray.push(cues[i]);
+        }
+      }
+
+      // Group cues by their startTime value
+      var cuesGroupedByStartTime = cuesArray.reduce(function (obj, cue) {
+        var timeSlot = obj[cue.startTime] || [];
+
+        timeSlot.push(cue);
+        obj[cue.startTime] = timeSlot;
+
+        return obj;
+      }, {});
+
+      // Sort startTimes by ascending order
+      var sortedStartTimes = Object.keys(cuesGroupedByStartTime).sort(function (a, b) {
+        return Number(a) - Number(b);
+      });
+
+      // Map each cue group's endTime to the next group's startTime
+      sortedStartTimes.forEach(function (startTime, idx) {
+        var cueGroup = cuesGroupedByStartTime[startTime];
+        var nextTime = Number(sortedStartTimes[idx + 1]) || videoDuration;
+
+        // Map each cue's endTime the next group's startTime
+        cueGroup.forEach(function (cue) {
+          cue.endTime = nextTime;
+        });
+      });
+    }
+  }
+};
+
+var win = typeof window !== 'undefined' ? window : {},
+    TARGET = typeof Symbol === 'undefined' ? '__target' : Symbol(),
+    SCRIPT_TYPE = 'application/javascript',
+    BlobBuilder = win.BlobBuilder || win.WebKitBlobBuilder || win.MozBlobBuilder || win.MSBlobBuilder,
+    URL = win.URL || win.webkitURL || URL && URL.msURL,
+    Worker = win.Worker;
+
+/**
+ * Returns a wrapper around Web Worker code that is constructible.
+ *
+ * @function shimWorker
+ *
+ * @param { String }    filename    The name of the file
+ * @param { Function }  fn          Function wrapping the code of the worker
+ */
+function shimWorker(filename, fn) {
+  return function ShimWorker(forceFallback) {
+    var o = this;
+
+    if (!fn) {
+      return new Worker(filename);
+    } else if (Worker && !forceFallback) {
+      // Convert the function's inner code to a string to construct the worker
+      var source = fn.toString().replace(/^function.+?{/, '').slice(0, -1),
+          objURL = createSourceObject(source);
+
+      this[TARGET] = new Worker(objURL);
+      wrapTerminate(this[TARGET], objURL);
+      return this[TARGET];
+    } else {
+      var selfShim = {
+        postMessage: function postMessage(m) {
+          if (o.onmessage) {
+            setTimeout(function () {
+              o.onmessage({ data: m, target: selfShim });
+            });
+          }
+        }
+      };
+
+      fn.call(selfShim);
+      this.postMessage = function (m) {
+        setTimeout(function () {
+          selfShim.onmessage({ data: m, target: o });
+        });
+      };
+      this.isThisThread = true;
+    }
+  };
+}
+// Test Worker capabilities
+if (Worker) {
+  var testWorker,
+      objURL = createSourceObject('self.onmessage = function () {}'),
+      testArray = new Uint8Array(1);
+
+  try {
+    testWorker = new Worker(objURL);
+
+    // Native browser on some Samsung devices throws for transferables, let's detect it
+    testWorker.postMessage(testArray, [testArray.buffer]);
+  } catch (e) {
+    Worker = null;
+  } finally {
+    URL.revokeObjectURL(objURL);
+    if (testWorker) {
+      testWorker.terminate();
+    }
+  }
+}
+
+function createSourceObject(str) {
+  try {
+    return URL.createObjectURL(new Blob([str], { type: SCRIPT_TYPE }));
+  } catch (e) {
+    var blob = new BlobBuilder();
+    blob.append(str);
+    return URL.createObjectURL(blob.getBlob(type));
+  }
+}
+
+function wrapTerminate(worker, objURL) {
+  if (!worker || !objURL) return;
+  var term = worker.terminate;
+  worker.objURL = objURL;
+  worker.terminate = function () {
+    if (worker.objURL) URL.revokeObjectURL(worker.objURL);
+    term.call(worker);
+  };
+}
+
+var TransmuxWorker = new shimWorker("./transmuxer-worker.worker.js", function (window, document$$1) {
+  var self = this;
+  var transmuxerWorker = function () {
+
+    /**
+     * mux.js
+     *
+     * Copyright (c) 2015 Brightcove
+     * All rights reserved.
+     *
+     * Functions that generate fragmented MP4s suitable for use with Media
+     * Source Extensions.
+     */
+
+    var UINT32_MAX = Math.pow(2, 32) - 1;
+
+    var box, dinf, esds, ftyp, mdat, mfhd, minf, moof, moov, mvex, mvhd, trak, tkhd, mdia, mdhd, hdlr, sdtp, stbl, stsd, traf, trex, trun, types, MAJOR_BRAND, MINOR_VERSION, AVC1_BRAND, VIDEO_HDLR, AUDIO_HDLR, HDLR_TYPES, VMHD, SMHD, DREF, STCO, STSC, STSZ, STTS;
+
+    // pre-calculate constants
+    (function () {
+      var i;
+      types = {
+        avc1: [], // codingname
+        avcC: [],
+        btrt: [],
+        dinf: [],
+        dref: [],
+        esds: [],
+        ftyp: [],
+        hdlr: [],
+        mdat: [],
+        mdhd: [],
+        mdia: [],
+        mfhd: [],
+        minf: [],
+        moof: [],
+        moov: [],
+        mp4a: [], // codingname
+        mvex: [],
+        mvhd: [],
+        sdtp: [],
+        smhd: [],
+        stbl: [],
+        stco: [],
+        stsc: [],
+        stsd: [],
+        stsz: [],
+        stts: [],
+        styp: [],
+        tfdt: [],
+        tfhd: [],
+        traf: [],
+        trak: [],
+        trun: [],
+        trex: [],
+        tkhd: [],
+        vmhd: []
+      };
+
+      // In environments where Uint8Array is undefined (e.g., IE8), skip set up so that we
+      // don't throw an error
+      if (typeof Uint8Array === 'undefined') {
+        return;
+      }
+
+      for (i in types) {
+        if (types.hasOwnProperty(i)) {
+          types[i] = [i.charCodeAt(0), i.charCodeAt(1), i.charCodeAt(2), i.charCodeAt(3)];
+        }
+      }
+
+      MAJOR_BRAND = new Uint8Array(['i'.charCodeAt(0), 's'.charCodeAt(0), 'o'.charCodeAt(0), 'm'.charCodeAt(0)]);
+      AVC1_BRAND = new Uint8Array(['a'.charCodeAt(0), 'v'.charCodeAt(0), 'c'.charCodeAt(0), '1'.charCodeAt(0)]);
+      MINOR_VERSION = new Uint8Array([0, 0, 0, 1]);
+      VIDEO_HDLR = new Uint8Array([0x00, // version 0
+      0x00, 0x00, 0x00, // flags
+      0x00, 0x00, 0x00, 0x00, // pre_defined
+      0x76, 0x69, 0x64, 0x65, // handler_type: 'vide'
+      0x00, 0x00, 0x00, 0x00, // reserved
+      0x00, 0x00, 0x00, 0x00, // reserved
+      0x00, 0x00, 0x00, 0x00, // reserved
+      0x56, 0x69, 0x64, 0x65, 0x6f, 0x48, 0x61, 0x6e, 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'VideoHandler'
+      ]);
+      AUDIO_HDLR = new Uint8Array([0x00, // version 0
+      0x00, 0x00, 0x00, // flags
+      0x00, 0x00, 0x00, 0x00, // pre_defined
+      0x73, 0x6f, 0x75, 0x6e, // handler_type: 'soun'
+      0x00, 0x00, 0x00, 0x00, // reserved
+      0x00, 0x00, 0x00, 0x00, // reserved
+      0x00, 0x00, 0x00, 0x00, // reserved
+      0x53, 0x6f, 0x75, 0x6e, 0x64, 0x48, 0x61, 0x6e, 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'SoundHandler'
+      ]);
+      HDLR_TYPES = {
+        video: VIDEO_HDLR,
+        audio: AUDIO_HDLR
+      };
+      DREF = new Uint8Array([0x00, // version 0
+      0x00, 0x00, 0x00, // flags
+      0x00, 0x00, 0x00, 0x01, // entry_count
+      0x00, 0x00, 0x00, 0x0c, // entry_size
+      0x75, 0x72, 0x6c, 0x20, // 'url' type
+      0x00, // version 0
+      0x00, 0x00, 0x01 // entry_flags
+      ]);
+      SMHD = new Uint8Array([0x00, // version
+      0x00, 0x00, 0x00, // flags
+      0x00, 0x00, // balance, 0 means centered
+      0x00, 0x00 // reserved
+      ]);
+      STCO = new Uint8Array([0x00, // version
+      0x00, 0x00, 0x00, // flags
+      0x00, 0x00, 0x00, 0x00 // entry_count
+      ]);
+      STSC = STCO;
+      STSZ = new Uint8Array([0x00, // version
+      0x00, 0x00, 0x00, // flags
+      0x00, 0x00, 0x00, 0x00, // sample_size
+      0x00, 0x00, 0x00, 0x00 // sample_count
+      ]);
+      STTS = STCO;
+      VMHD = new Uint8Array([0x00, // version
+      0x00, 0x00, 0x01, // flags
+      0x00, 0x00, // graphicsmode
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00 // opcolor
+      ]);
+    })();
+
+    box = function box(type) {
+      var payload = [],
+          size = 0,
+          i,
+          result,
+          view;
+
+      for (i = 1; i < arguments.length; i++) {
+        payload.push(arguments[i]);
+      }
+
+      i = payload.length;
+
+      // calculate the total size we need to allocate
+      while (i--) {
+        size += payload[i].byteLength;
+      }
+      result = new Uint8Array(size + 8);
+      view = new DataView(result.buffer, result.byteOffset, result.byteLength);
+      view.setUint32(0, result.byteLength);
+      result.set(type, 4);
+
+      // copy the payload into the result
+      for (i = 0, size = 8; i < payload.length; i++) {
+        result.set(payload[i], size);
+        size += payload[i].byteLength;
+      }
+      return result;
+    };
+
+    dinf = function dinf() {
+      return box(types.dinf, box(types.dref, DREF));
+    };
+
+    esds = function esds(track) {
+      return box(types.esds, new Uint8Array([0x00, // version
+      0x00, 0x00, 0x00, // flags
+
+      // ES_Descriptor
+      0x03, // tag, ES_DescrTag
+      0x19, // length
+      0x00, 0x00, // ES_ID
+      0x00, // streamDependenceFlag, URL_flag, reserved, streamPriority
+
+      // DecoderConfigDescriptor
+      0x04, // tag, DecoderConfigDescrTag
+      0x11, // length
+      0x40, // object type
+      0x15, // streamType
+      0x00, 0x06, 0x00, // bufferSizeDB
+      0x00, 0x00, 0xda, 0xc0, // maxBitrate
+      0x00, 0x00, 0xda, 0xc0, // avgBitrate
+
+      // DecoderSpecificInfo
+      0x05, // tag, DecoderSpecificInfoTag
+      0x02, // length
+      // ISO/IEC 14496-3, AudioSpecificConfig
+      // for samplingFrequencyIndex see ISO/IEC 13818-7:2006, 8.1.3.2.2, Table 35
+      track.audioobjecttype << 3 | track.samplingfrequencyindex >>> 1, track.samplingfrequencyindex << 7 | track.channelcount << 3, 0x06, 0x01, 0x02 // GASpecificConfig
+      ]));
+    };
+
+    ftyp = function ftyp() {
+      return box(types.ftyp, MAJOR_BRAND, MINOR_VERSION, MAJOR_BRAND, AVC1_BRAND);
+    };
+
+    hdlr = function hdlr(type) {
+      return box(types.hdlr, HDLR_TYPES[type]);
+    };
+    mdat = function mdat(data) {
+      return box(types.mdat, data);
+    };
+    mdhd = function mdhd(track) {
+      var result = new Uint8Array([0x00, // version 0
+      0x00, 0x00, 0x00, // flags
+      0x00, 0x00, 0x00, 0x02, // creation_time
+      0x00, 0x00, 0x00, 0x03, // modification_time
+      0x00, 0x01, 0x5f, 0x90, // timescale, 90,000 "ticks" per second
+
+      track.duration >>> 24 & 0xFF, track.duration >>> 16 & 0xFF, track.duration >>> 8 & 0xFF, track.duration & 0xFF, // duration
+      0x55, 0xc4, // 'und' language (undetermined)
+      0x00, 0x00]);
+
+      // Use the sample rate from the track metadata, when it is
+      // defined. The sample rate can be parsed out of an ADTS header, for
+      // instance.
+      if (track.samplerate) {
+        result[12] = track.samplerate >>> 24 & 0xFF;
+        result[13] = track.samplerate >>> 16 & 0xFF;
+        result[14] = track.samplerate >>> 8 & 0xFF;
+        result[15] = track.samplerate & 0xFF;
+      }
+
+      return box(types.mdhd, result);
+    };
+    mdia = function mdia(track) {
+      return box(types.mdia, mdhd(track), hdlr(track.type), minf(track));
+    };
+    mfhd = function mfhd(sequenceNumber) {
+      return box(types.mfhd, new Uint8Array([0x00, 0x00, 0x00, 0x00, // flags
+      (sequenceNumber & 0xFF000000) >> 24, (sequenceNumber & 0xFF0000) >> 16, (sequenceNumber & 0xFF00) >> 8, sequenceNumber & 0xFF // sequence_number
+      ]));
+    };
+    minf = function minf(track) {
+      return box(types.minf, track.type === 'video' ? box(types.vmhd, VMHD) : box(types.smhd, SMHD), dinf(), stbl(track));
+    };
+    moof = function moof(sequenceNumber, tracks) {
+      var trackFragments = [],
+          i = tracks.length;
+      // build traf boxes for each track fragment
+      while (i--) {
+        trackFragments[i] = traf(tracks[i]);
+      }
+      return box.apply(null, [types.moof, mfhd(sequenceNumber)].concat(trackFragments));
+    };
+    /**
+     * Returns a movie box.
+     * @param tracks {array} the tracks associated with this movie
+     * @see ISO/IEC 14496-12:2012(E), section 8.2.1
+     */
+    moov = function moov(tracks) {
+      var i = tracks.length,
+          boxes = [];
+
+      while (i--) {
+        boxes[i] = trak(tracks[i]);
+      }
+
+      return box.apply(null, [types.moov, mvhd(0xffffffff)].concat(boxes).concat(mvex(tracks)));
+    };
+    mvex = function mvex(tracks) {
+      var i = tracks.length,
+          boxes = [];
+
+      while (i--) {
+        boxes[i] = trex(tracks[i]);
+      }
+      return box.apply(null, [types.mvex].concat(boxes));
+    };
+    mvhd = function mvhd(duration) {
+      var bytes = new Uint8Array([0x00, // version 0
+      0x00, 0x00, 0x00, // flags
+      0x00, 0x00, 0x00, 0x01, // creation_time
+      0x00, 0x00, 0x00, 0x02, // modification_time
+      0x00, 0x01, 0x5f, 0x90, // timescale, 90,000 "ticks" per second
+      (duration & 0xFF000000) >> 24, (duration & 0xFF0000) >> 16, (duration & 0xFF00) >> 8, duration & 0xFF, // duration
+      0x00, 0x01, 0x00, 0x00, // 1.0 rate
+      0x01, 0x00, // 1.0 volume
+      0x00, 0x00, // reserved
+      0x00, 0x00, 0x00, 0x00, // reserved
+      0x00, 0x00, 0x00, 0x00, // reserved
+      0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // pre_defined
+      0xff, 0xff, 0xff, 0xff // next_track_ID
+      ]);
+      return box(types.mvhd, bytes);
+    };
+
+    sdtp = function sdtp(track) {
+      var samples = track.samples || [],
+          bytes = new Uint8Array(4 + samples.length),
+          flags,
+          i;
+
+      // leave the full box header (4 bytes) all zero
+
+      // write the sample table
+      for (i = 0; i < samples.length; i++) {
+        flags = samples[i].flags;
+
+        bytes[i + 4] = flags.dependsOn << 4 | flags.isDependedOn << 2 | flags.hasRedundancy;
+      }
+
+      return box(types.sdtp, bytes);
+    };
+
+    stbl = function stbl(track) {
+      return box(types.stbl, stsd(track), box(types.stts, STTS), box(types.stsc, STSC), box(types.stsz, STSZ), box(types.stco, STCO));
+    };
+
+    (function () {
+      var videoSample, audioSample;
+
+      stsd = function stsd(track) {
+
+        return box(types.stsd, new Uint8Array([0x00, // version 0
+        0x00, 0x00, 0x00, // flags
+        0x00, 0x00, 0x00, 0x01]), track.type === 'video' ? videoSample(track) : audioSample(track));
+      };
+
+      videoSample = function videoSample(track) {
+        var sps = track.sps || [],
+            pps = track.pps || [],
+            sequenceParameterSets = [],
+            pictureParameterSets = [],
+            i;
+
+        // assemble the SPSs
+        for (i = 0; i < sps.length; i++) {
+          sequenceParameterSets.push((sps[i].byteLength & 0xFF00) >>> 8);
+          sequenceParameterSets.push(sps[i].byteLength & 0xFF); // sequenceParameterSetLength
+          sequenceParameterSets = sequenceParameterSets.concat(Array.prototype.slice.call(sps[i])); // SPS
+        }
+
+        // assemble the PPSs
+        for (i = 0; i < pps.length; i++) {
+          pictureParameterSets.push((pps[i].byteLength & 0xFF00) >>> 8);
+          pictureParameterSets.push(pps[i].byteLength & 0xFF);
+          pictureParameterSets = pictureParameterSets.concat(Array.prototype.slice.call(pps[i]));
+        }
+
+        return box(types.avc1, new Uint8Array([0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved
+        0x00, 0x01, // data_reference_index
+        0x00, 0x00, // pre_defined
+        0x00, 0x00, // reserved
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // pre_defined
+        (track.width & 0xff00) >> 8, track.width & 0xff, // width
+        (track.height & 0xff00) >> 8, track.height & 0xff, // height
+        0x00, 0x48, 0x00, 0x00, // horizresolution
+        0x00, 0x48, 0x00, 0x00, // vertresolution
+        0x00, 0x00, 0x00, 0x00, // reserved
+        0x00, 0x01, // frame_count
+        0x13, 0x76, 0x69, 0x64, 0x65, 0x6f, 0x6a, 0x73, 0x2d, 0x63, 0x6f, 0x6e, 0x74, 0x72, 0x69, 0x62, 0x2d, 0x68, 0x6c, 0x73, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // compressorname
+        0x00, 0x18, // depth = 24
+        0x11, 0x11 // pre_defined = -1
+        ]), box(types.avcC, new Uint8Array([0x01, // configurationVersion
+        track.profileIdc, // AVCProfileIndication
+        track.profileCompatibility, // profile_compatibility
+        track.levelIdc, // AVCLevelIndication
+        0xff // lengthSizeMinusOne, hard-coded to 4 bytes
+        ].concat([sps.length // numOfSequenceParameterSets
+        ]).concat(sequenceParameterSets).concat([pps.length // numOfPictureParameterSets
+        ]).concat(pictureParameterSets))), // "PPS"
+        box(types.btrt, new Uint8Array([0x00, 0x1c, 0x9c, 0x80, // bufferSizeDB
+        0x00, 0x2d, 0xc6, 0xc0, // maxBitrate
+        0x00, 0x2d, 0xc6, 0xc0])) // avgBitrate
+        );
+      };
+
+      audioSample = function audioSample(track) {
+        return box(types.mp4a, new Uint8Array([
+
+        // SampleEntry, ISO/IEC 14496-12
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved
+        0x00, 0x01, // data_reference_index
+
+        // AudioSampleEntry, ISO/IEC 14496-12
+        0x00, 0x00, 0x00, 0x00, // reserved
+        0x00, 0x00, 0x00, 0x00, // reserved
+        (track.channelcount & 0xff00) >> 8, track.channelcount & 0xff, // channelcount
+
+        (track.samplesize & 0xff00) >> 8, track.samplesize & 0xff, // samplesize
+        0x00, 0x00, // pre_defined
+        0x00, 0x00, // reserved
+
+        (track.samplerate & 0xff00) >> 8, track.samplerate & 0xff, 0x00, 0x00 // samplerate, 16.16
+
+        // MP4AudioSampleEntry, ISO/IEC 14496-14
+        ]), esds(track));
+      };
+    })();
+
+    tkhd = function tkhd(track) {
+      var result = new Uint8Array([0x00, // version 0
+      0x00, 0x00, 0x07, // flags
+      0x00, 0x00, 0x00, 0x00, // creation_time
+      0x00, 0x00, 0x00, 0x00, // modification_time
+      (track.id & 0xFF000000) >> 24, (track.id & 0xFF0000) >> 16, (track.id & 0xFF00) >> 8, track.id & 0xFF, // track_ID
+      0x00, 0x00, 0x00, 0x00, // reserved
+      (track.duration & 0xFF000000) >> 24, (track.duration & 0xFF0000) >> 16, (track.duration & 0xFF00) >> 8, track.duration & 0xFF, // duration
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved
+      0x00, 0x00, // layer
+      0x00, 0x00, // alternate_group
+      0x01, 0x00, // non-audio track volume
+      0x00, 0x00, // reserved
+      0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix
+      (track.width & 0xFF00) >> 8, track.width & 0xFF, 0x00, 0x00, // width
+      (track.height & 0xFF00) >> 8, track.height & 0xFF, 0x00, 0x00 // height
+      ]);
+
+      return box(types.tkhd, result);
+    };
+
+    /**
+     * Generate a track fragment (traf) box. A traf box collects metadata
+     * about tracks in a movie fragment (moof) box.
+     */
+    traf = function traf(track) {
+      var trackFragmentHeader, trackFragmentDecodeTime, trackFragmentRun, sampleDependencyTable, dataOffset, upperWordBaseMediaDecodeTime, lowerWordBaseMediaDecodeTime;
+
+      trackFragmentHeader = box(types.tfhd, new Uint8Array([0x00, // version 0
+      0x00, 0x00, 0x3a, // flags
+      (track.id & 0xFF000000) >> 24, (track.id & 0xFF0000) >> 16, (track.id & 0xFF00) >> 8, track.id & 0xFF, // track_ID
+      0x00, 0x00, 0x00, 0x01, // sample_description_index
+      0x00, 0x00, 0x00, 0x00, // default_sample_duration
+      0x00, 0x00, 0x00, 0x00, // default_sample_size
+      0x00, 0x00, 0x00, 0x00 // default_sample_flags
+      ]));
+
+      upperWordBaseMediaDecodeTime = Math.floor(track.baseMediaDecodeTime / (UINT32_MAX + 1));
+      lowerWordBaseMediaDecodeTime = Math.floor(track.baseMediaDecodeTime % (UINT32_MAX + 1));
+
+      trackFragmentDecodeTime = box(types.tfdt, new Uint8Array([0x01, // version 1
+      0x00, 0x00, 0x00, // flags
+      // baseMediaDecodeTime
+      upperWordBaseMediaDecodeTime >>> 24 & 0xFF, upperWordBaseMediaDecodeTime >>> 16 & 0xFF, upperWordBaseMediaDecodeTime >>> 8 & 0xFF, upperWordBaseMediaDecodeTime & 0xFF, lowerWordBaseMediaDecodeTime >>> 24 & 0xFF, lowerWordBaseMediaDecodeTime >>> 16 & 0xFF, lowerWordBaseMediaDecodeTime >>> 8 & 0xFF, lowerWordBaseMediaDecodeTime & 0xFF]));
+
+      // the data offset specifies the number of bytes from the start of
+      // the containing moof to the first payload byte of the associated
+      // mdat
+      dataOffset = 32 + // tfhd
+      20 + // tfdt
+      8 + // traf header
+      16 + // mfhd
+      8 + // moof header
+      8; // mdat header
+
+      // audio tracks require less metadata
+      if (track.type === 'audio') {
+        trackFragmentRun = trun(track, dataOffset);
+        return box(types.traf, trackFragmentHeader, trackFragmentDecodeTime, trackFragmentRun);
+      }
+
+      // video tracks should contain an independent and disposable samples
+      // box (sdtp)
+      // generate one and adjust offsets to match
+      sampleDependencyTable = sdtp(track);
+      trackFragmentRun = trun(track, sampleDependencyTable.length + dataOffset);
+      return box(types.traf, trackFragmentHeader, trackFragmentDecodeTime, trackFragmentRun, sampleDependencyTable);
+    };
+
+    /**
+     * Generate a track box.
+     * @param track {object} a track definition
+     * @return {Uint8Array} the track box
+     */
+    trak = function trak(track) {
+      track.duration = track.duration || 0xffffffff;
+      return box(types.trak, tkhd(track), mdia(track));
+    };
+
+    trex = function trex(track) {
+      var result = new Uint8Array([0x00, // version 0
+      0x00, 0x00, 0x00, // flags
+      (track.id & 0xFF000000) >> 24, (track.id & 0xFF0000) >> 16, (track.id & 0xFF00) >> 8, track.id & 0xFF, // track_ID
+      0x00, 0x00, 0x00, 0x01, // default_sample_description_index
+      0x00, 0x00, 0x00, 0x00, // default_sample_duration
+      0x00, 0x00, 0x00, 0x00, // default_sample_size
+      0x00, 0x01, 0x00, 0x01 // default_sample_flags
+      ]);
+      // the last two bytes of default_sample_flags is the sample
+      // degradation priority, a hint about the importance of this sample
+      // relative to others. Lower the degradation priority for all sample
+      // types other than video.
+      if (track.type !== 'video') {
+        result[result.length - 1] = 0x00;
+      }
+
+      return box(types.trex, result);
+    };
+
+    (function () {
+      var audioTrun, videoTrun, trunHeader;
+
+      // This method assumes all samples are uniform. That is, if a
+      // duration is present for the first sample, it will be present for
+      // all subsequent samples.
+      // see ISO/IEC 14496-12:2012, Section 8.8.8.1
+      trunHeader = function trunHeader(samples, offset) {
+        var durationPresent = 0,
+            sizePresent = 0,
+            flagsPresent = 0,
+            compositionTimeOffset = 0;
+
+        // trun flag constants
+        if (samples.length) {
+          if (samples[0].duration !== undefined) {
+            durationPresent = 0x1;
+          }
+          if (samples[0].size !== undefined) {
+            sizePresent = 0x2;
+          }
+          if (samples[0].flags !== undefined) {
+            flagsPresent = 0x4;
+          }
+          if (samples[0].compositionTimeOffset !== undefined) {
+            compositionTimeOffset = 0x8;
+          }
+        }
+
+        return [0x00, // version 0
+        0x00, durationPresent | sizePresent | flagsPresent | compositionTimeOffset, 0x01, // flags
+        (samples.length & 0xFF000000) >>> 24, (samples.length & 0xFF0000) >>> 16, (samples.length & 0xFF00) >>> 8, samples.length & 0xFF, // sample_count
+        (offset & 0xFF000000) >>> 24, (offset & 0xFF0000) >>> 16, (offset & 0xFF00) >>> 8, offset & 0xFF // data_offset
+        ];
+      };
+
+      videoTrun = function videoTrun(track, offset) {
+        var bytes, samples, sample, i;
+
+        samples = track.samples || [];
+        offset += 8 + 12 + 16 * samples.length;
+
+        bytes = trunHeader(samples, offset);
+
+        for (i = 0; i < samples.length; i++) {
+          sample = samples[i];
+          bytes = bytes.concat([(sample.duration & 0xFF000000) >>> 24, (sample.duration & 0xFF0000) >>> 16, (sample.duration & 0xFF00) >>> 8, sample.duration & 0xFF, // sample_duration
+          (sample.size & 0xFF000000) >>> 24, (sample.size & 0xFF0000) >>> 16, (sample.size & 0xFF00) >>> 8, sample.size & 0xFF, // sample_size
+          sample.flags.isLeading << 2 | sample.flags.dependsOn, sample.flags.isDependedOn << 6 | sample.flags.hasRedundancy << 4 | sample.flags.paddingValue << 1 | sample.flags.isNonSyncSample, sample.flags.degradationPriority & 0xF0 << 8, sample.flags.degradationPriority & 0x0F, // sample_flags
+          (sample.compositionTimeOffset & 0xFF000000) >>> 24, (sample.compositionTimeOffset & 0xFF0000) >>> 16, (sample.compositionTimeOffset & 0xFF00) >>> 8, sample.compositionTimeOffset & 0xFF // sample_composition_time_offset
+          ]);
+        }
+        return box(types.trun, new Uint8Array(bytes));
+      };
+
+      audioTrun = function audioTrun(track, offset) {
+        var bytes, samples, sample, i;
+
+        samples = track.samples || [];
+        offset += 8 + 12 + 8 * samples.length;
+
+        bytes = trunHeader(samples, offset);
+
+        for (i = 0; i < samples.length; i++) {
+          sample = samples[i];
+          bytes = bytes.concat([(sample.duration & 0xFF000000) >>> 24, (sample.duration & 0xFF0000) >>> 16, (sample.duration & 0xFF00) >>> 8, sample.duration & 0xFF, // sample_duration
+          (sample.size & 0xFF000000) >>> 24, (sample.size & 0xFF0000) >>> 16, (sample.size & 0xFF00) >>> 8, sample.size & 0xFF]); // sample_size
+        }
+
+        return box(types.trun, new Uint8Array(bytes));
+      };
+
+      trun = function trun(track, offset) {
+        if (track.type === 'audio') {
+          return audioTrun(track, offset);
+        }
+
+        return videoTrun(track, offset);
+      };
+    })();
+
+    var mp4Generator = {
+      ftyp: ftyp,
+      mdat: mdat,
+      moof: moof,
+      moov: moov,
+      initSegment: function initSegment(tracks) {
+        var fileType = ftyp(),
+            movie = moov(tracks),
+            result;
+
+        result = new Uint8Array(fileType.byteLength + movie.byteLength);
+        result.set(fileType);
+        result.set(movie, fileType.byteLength);
+        return result;
+      }
+    };
+
+    var toUnsigned = function toUnsigned(value) {
+      return value >>> 0;
+    };
+
+    var bin = {
+      toUnsigned: toUnsigned
+    };
+
+    var toUnsigned$1 = bin.toUnsigned;
+    var _findBox, parseType, timescale, startTime, getVideoTrackIds;
+
+    // Find the data for a box specified by its path
+    _findBox = function findBox(data, path) {
+      var results = [],
+          i,
+          size,
+          type,
+          end,
+          subresults;
+
+      if (!path.length) {
+        // short-circuit the search for empty paths
+        return null;
+      }
+
+      for (i = 0; i < data.byteLength;) {
+        size = toUnsigned$1(data[i] << 24 | data[i + 1] << 16 | data[i + 2] << 8 | data[i + 3]);
+
+        type = parseType(data.subarray(i + 4, i + 8));
+
+        end = size > 1 ? i + size : data.byteLength;
+
+        if (type === path[0]) {
+          if (path.length === 1) {
+            // this is the end of the path and we've found the box we were
+            // looking for
+            results.push(data.subarray(i + 8, end));
+          } else {
+            // recursively search for the next box along the path
+            subresults = _findBox(data.subarray(i + 8, end), path.slice(1));
+            if (subresults.length) {
+              results = results.concat(subresults);
+            }
+          }
+        }
+        i = end;
+      }
+
+      // we've finished searching all of data
+      return results;
+    };
+
+    /**
+     * Returns the string representation of an ASCII encoded four byte buffer.
+     * @param buffer {Uint8Array} a four-byte buffer to translate
+     * @return {string} the corresponding string
+     */
+    parseType = function parseType(buffer) {
+      var result = '';
+      result += String.fromCharCode(buffer[0]);
+      result += String.fromCharCode(buffer[1]);
+      result += String.fromCharCode(buffer[2]);
+      result += String.fromCharCode(buffer[3]);
+      return result;
+    };
+
+    /**
+     * Parses an MP4 initialization segment and extracts the timescale
+     * values for any declared tracks. Timescale values indicate the
+     * number of clock ticks per second to assume for time-based values
+     * elsewhere in the MP4.
+     *
+     * To determine the start time of an MP4, you need two pieces of
+     * information: the timescale unit and the earliest base media decode
+     * time. Multiple timescales can be specified within an MP4 but the
+     * base media decode time is always expressed in the timescale from
+     * the media header box for the track:
+     * ```
+     * moov > trak > mdia > mdhd.timescale
+     * ```
+     * @param init {Uint8Array} the bytes of the init segment
+     * @return {object} a hash of track ids to timescale values or null if
+     * the init segment is malformed.
+     */
+    timescale = function timescale(init) {
+      var result = {},
+          traks = _findBox(init, ['moov', 'trak']);
+
+      // mdhd timescale
+      return traks.reduce(function (result, trak) {
+        var tkhd, version, index, id, mdhd;
+
+        tkhd = _findBox(trak, ['tkhd'])[0];
+        if (!tkhd) {
+          return null;
+        }
+        version = tkhd[0];
+        index = version === 0 ? 12 : 20;
+        id = toUnsigned$1(tkhd[index] << 24 | tkhd[index + 1] << 16 | tkhd[index + 2] << 8 | tkhd[index + 3]);
+
+        mdhd = _findBox(trak, ['mdia', 'mdhd'])[0];
+        if (!mdhd) {
+          return null;
+        }
+        version = mdhd[0];
+        index = version === 0 ? 12 : 20;
+        result[id] = toUnsigned$1(mdhd[index] << 24 | mdhd[index + 1] << 16 | mdhd[index + 2] << 8 | mdhd[index + 3]);
+        return result;
+      }, result);
+    };
+
+    /**
+     * Determine the base media decode start time, in seconds, for an MP4
+     * fragment. If multiple fragments are specified, the earliest time is
+     * returned.
+     *
+     * The base media decode time can be parsed from track fragment
+     * metadata:
+     * ```
+     * moof > traf > tfdt.baseMediaDecodeTime
+     * ```
+     * It requires the timescale value from the mdhd to interpret.
+     *
+     * @param timescale {object} a hash of track ids to timescale values.
+     * @return {number} the earliest base media decode start time for the
+     * fragment, in seconds
+     */
+    startTime = function startTime(timescale, fragment) {
+      var trafs, baseTimes, result;
+
+      // we need info from two childrend of each track fragment box
+      trafs = _findBox(fragment, ['moof', 'traf']);
+
+      // determine the start times for each track
+      baseTimes = [].concat.apply([], trafs.map(function (traf) {
+        return _findBox(traf, ['tfhd']).map(function (tfhd) {
+          var id, scale, baseTime;
+
+          // get the track id from the tfhd
+          id = toUnsigned$1(tfhd[4] << 24 | tfhd[5] << 16 | tfhd[6] << 8 | tfhd[7]);
+          // assume a 90kHz clock if no timescale was specified
+          scale = timescale[id] || 90e3;
+
+          // get the base media decode time from the tfdt
+          baseTime = _findBox(traf, ['tfdt']).map(function (tfdt) {
+            var version, result;
+
+            version = tfdt[0];
+            result = toUnsigned$1(tfdt[4] << 24 | tfdt[5] << 16 | tfdt[6] << 8 | tfdt[7]);
+            if (version === 1) {
+              result *= Math.pow(2, 32);
+              result += toUnsigned$1(tfdt[8] << 24 | tfdt[9] << 16 | tfdt[10] << 8 | tfdt[11]);
+            }
+            return result;
+          })[0];
+          baseTime = baseTime || Infinity;
+
+          // convert base time to seconds
+          return baseTime / scale;
+        });
+      }));
+
+      // return the minimum
+      result = Math.min.apply(null, baseTimes);
+      return isFinite(result) ? result : 0;
+    };
+
+    /**
+      * Find the trackIds of the video tracks in this source.
+      * Found by parsing the Handler Reference and Track Header Boxes:
+      *   moov > trak > mdia > hdlr
+      *   moov > trak > tkhd
+      *
+      * @param {Uint8Array} init - The bytes of the init segment for this source
+      * @return {Number[]} A list of trackIds
+      *
+      * @see ISO-BMFF-12/2015, Section 8.4.3
+     **/
+    getVideoTrackIds = function getVideoTrackIds(init) {
+      var traks = _findBox(init, ['moov', 'trak']);
+      var videoTrackIds = [];
+
+      traks.forEach(function (trak) {
+        var hdlrs = _findBox(trak, ['mdia', 'hdlr']);
+        var tkhds = _findBox(trak, ['tkhd']);
+
+        hdlrs.forEach(function (hdlr, index) {
+          var handlerType = parseType(hdlr.subarray(8, 12));
+          var tkhd = tkhds[index];
+          var view;
+          var version;
+          var trackId;
+
+          if (handlerType === 'vide') {
+            view = new DataView(tkhd.buffer, tkhd.byteOffset, tkhd.byteLength);
+            version = view.getUint8(0);
+            trackId = version === 0 ? view.getUint32(12) : view.getUint32(20);
+
+            videoTrackIds.push(trackId);
+          }
+        });
+      });
+
+      return videoTrackIds;
+    };
+
+    var probe = {
+      findBox: _findBox,
+      parseType: parseType,
+      timescale: timescale,
+      startTime: startTime,
+      videoTrackIds: getVideoTrackIds
+    };
+
+    /**
+     * mux.js
+     *
+     * Copyright (c) 2014 Brightcove
+     * All rights reserved.
+     *
+     * A lightweight readable stream implemention that handles event dispatching.
+     * Objects that inherit from streams should call init in their constructors.
+     */
+
+    var Stream = function Stream() {
+      this.init = function () {
+        var listeners = {};
+        /**
+         * Add a listener for a specified event type.
+         * @param type {string} the event name
+         * @param listener {function} the callback to be invoked when an event of
+         * the specified type occurs
+         */
+        this.on = function (type, listener) {
+          if (!listeners[type]) {
+            listeners[type] = [];
+          }
+          listeners[type] = listeners[type].concat(listener);
+        };
+        /**
+         * Remove a listener for a specified event type.
+         * @param type {string} the event name
+         * @param listener {function} a function previously registered for this
+         * type of event through `on`
+         */
+        this.off = function (type, listener) {
+          var index;
+          if (!listeners[type]) {
+            return false;
+          }
+          index = listeners[type].indexOf(listener);
+          listeners[type] = listeners[type].slice();
+          listeners[type].splice(index, 1);
+          return index > -1;
+        };
+        /**
+         * Trigger an event of the specified type on this stream. Any additional
+         * arguments to this function are passed as parameters to event listeners.
+         * @param type {string} the event name
+         */
+        this.trigger = function (type) {
+          var callbacks, i, length, args;
+          callbacks = listeners[type];
+          if (!callbacks) {
+            return;
+          }
+          // Slicing the arguments on every invocation of this method
+          // can add a significant amount of overhead. Avoid the
+          // intermediate object creation for the common case of a
+          // single callback argument
+          if (arguments.length === 2) {
+            length = callbacks.length;
+            for (i = 0; i < length; ++i) {
+              callbacks[i].call(this, arguments[1]);
+            }
+          } else {
+            args = [];
+            i = arguments.length;
+            for (i = 1; i < arguments.length; ++i) {
+              args.push(arguments[i]);
+            }
+            length = callbacks.length;
+            for (i = 0; i < length; ++i) {
+              callbacks[i].apply(this, args);
+            }
+          }
+        };
+        /**
+         * Destroys the stream and cleans up.
+         */
+        this.dispose = function () {
+          listeners = {};
+        };
+      };
+    };
+
+    /**
+     * Forwards all `data` events on this stream to the destination stream. The
+     * destination stream should provide a method `push` to receive the data
+     * events as they arrive.
+     * @param destination {stream} the stream that will receive all `data` events
+     * @param autoFlush {boolean} if false, we will not call `flush` on the destination
+     *                            when the current stream emits a 'done' event
+     * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options
+     */
+    Stream.prototype.pipe = function (destination) {
+      this.on('data', function (data) {
+        destination.push(data);
+      });
+
+      this.on('done', function (flushSource) {
+        destination.flush(flushSource);
+      });
+
+      return destination;
+    };
+
+    // Default stream functions that are expected to be overridden to perform
+    // actual work. These are provided by the prototype as a sort of no-op
+    // implementation so that we don't have to check for their existence in the
+    // `pipe` function above.
+    Stream.prototype.push = function (data) {
+      this.trigger('data', data);
+    };
+
+    Stream.prototype.flush = function (flushSource) {
+      this.trigger('done', flushSource);
+    };
+
+    var stream = Stream;
+
+    // Convert an array of nal units into an array of frames with each frame being
+    // composed of the nal units that make up that frame
+    // Also keep track of cummulative data about the frame from the nal units such
+    // as the frame duration, starting pts, etc.
+    var groupNalsIntoFrames = function groupNalsIntoFrames(nalUnits) {
+      var i,
+          currentNal,
+          currentFrame = [],
+          frames = [];
+
+      currentFrame.byteLength = 0;
+
+      for (i = 0; i < nalUnits.length; i++) {
+        currentNal = nalUnits[i];
+
+        // Split on 'aud'-type nal units
+        if (currentNal.nalUnitType === 'access_unit_delimiter_rbsp') {
+          // Since the very first nal unit is expected to be an AUD
+          // only push to the frames array when currentFrame is not empty
+          if (currentFrame.length) {
+            currentFrame.duration = currentNal.dts - currentFrame.dts;
+            frames.push(currentFrame);
+          }
+          currentFrame = [currentNal];
+          currentFrame.byteLength = currentNal.data.byteLength;
+          currentFrame.pts = currentNal.pts;
+          currentFrame.dts = currentNal.dts;
+        } else {
+          // Specifically flag key frames for ease of use later
+          if (currentNal.nalUnitType === 'slice_layer_without_partitioning_rbsp_idr') {
+            currentFrame.keyFrame = true;
+          }
+          currentFrame.duration = currentNal.dts - currentFrame.dts;
+          currentFrame.byteLength += currentNal.data.byteLength;
+          currentFrame.push(currentNal);
+        }
+      }
+
+      // For the last frame, use the duration of the previous frame if we
+      // have nothing better to go on
+      if (frames.length && (!currentFrame.duration || currentFrame.duration <= 0)) {
+        currentFrame.duration = frames[frames.length - 1].duration;
+      }
+
+      // Push the final frame
+      frames.push(currentFrame);
+      return frames;
+    };
+
+    // Convert an array of frames into an array of Gop with each Gop being composed
+    // of the frames that make up that Gop
+    // Also keep track of cummulative data about the Gop from the frames such as the
+    // Gop duration, starting pts, etc.
+    var groupFramesIntoGops = function groupFramesIntoGops(frames) {
+      var i,
+          currentFrame,
+          currentGop = [],
+          gops = [];
+
+      // We must pre-set some of the values on the Gop since we
+      // keep running totals of these values
+      currentGop.byteLength = 0;
+      currentGop.nalCount = 0;
+      currentGop.duration = 0;
+      currentGop.pts = frames[0].pts;
+      currentGop.dts = frames[0].dts;
+
+      // store some metadata about all the Gops
+      gops.byteLength = 0;
+      gops.nalCount = 0;
+      gops.duration = 0;
+      gops.pts = frames[0].pts;
+      gops.dts = frames[0].dts;
+
+      for (i = 0; i < frames.length; i++) {
+        currentFrame = frames[i];
+
+        if (currentFrame.keyFrame) {
+          // Since the very first frame is expected to be an keyframe
+          // only push to the gops array when currentGop is not empty
+          if (currentGop.length) {
+            gops.push(currentGop);
+            gops.byteLength += currentGop.byteLength;
+            gops.nalCount += currentGop.nalCount;
+            gops.duration += currentGop.duration;
+          }
+
+          currentGop = [currentFrame];
+          currentGop.nalCount = currentFrame.length;
+          currentGop.byteLength = currentFrame.byteLength;
+          currentGop.pts = currentFrame.pts;
+          currentGop.dts = currentFrame.dts;
+          currentGop.duration = currentFrame.duration;
+        } else {
+          currentGop.duration += currentFrame.duration;
+          currentGop.nalCount += currentFrame.length;
+          currentGop.byteLength += currentFrame.byteLength;
+          currentGop.push(currentFrame);
+        }
+      }
+
+      if (gops.length && currentGop.duration <= 0) {
+        currentGop.duration = gops[gops.length - 1].duration;
+      }
+      gops.byteLength += currentGop.byteLength;
+      gops.nalCount += currentGop.nalCount;
+      gops.duration += currentGop.duration;
+
+      // push the final Gop
+      gops.push(currentGop);
+      return gops;
+    };
+
+    /*
+     * Search for the first keyframe in the GOPs and throw away all frames
+     * until that keyframe. Then extend the duration of the pulled keyframe
+     * and pull the PTS and DTS of the keyframe so that it covers the time
+     * range of the frames that were disposed.
+     *
+     * @param {Array} gops video GOPs
+     * @returns {Array} modified video GOPs
+     */
+    var extendFirstKeyFrame = function extendFirstKeyFrame(gops) {
+      var currentGop;
+
+      if (!gops[0][0].keyFrame && gops.length > 1) {
+        // Remove the first GOP
+        currentGop = gops.shift();
+
+        gops.byteLength -= currentGop.byteLength;
+        gops.nalCount -= currentGop.nalCount;
+
+        // Extend the first frame of what is now the
+        // first gop to cover the time period of the
+        // frames we just removed
+        gops[0][0].dts = currentGop.dts;
+        gops[0][0].pts = currentGop.pts;
+        gops[0][0].duration += currentGop.duration;
+      }
+
+      return gops;
+    };
+
+    /**
+     * Default sample object
+     * see ISO/IEC 14496-12:2012, section 8.6.4.3
+     */
+    var createDefaultSample = function createDefaultSample() {
+      return {
+        size: 0,
+        flags: {
+          isLeading: 0,
+          dependsOn: 1,
+          isDependedOn: 0,
+          hasRedundancy: 0,
+          degradationPriority: 0,
+          isNonSyncSample: 1
+        }
+      };
+    };
+
+    /*
+     * Collates information from a video frame into an object for eventual
+     * entry into an MP4 sample table.
+     *
+     * @param {Object} frame the video frame
+     * @param {Number} dataOffset the byte offset to position the sample
+     * @return {Object} object containing sample table info for a frame
+     */
+    var sampleForFrame = function sampleForFrame(frame, dataOffset) {
+      var sample = createDefaultSample();
+
+      sample.dataOffset = dataOffset;
+      sample.compositionTimeOffset = frame.pts - frame.dts;
+      sample.duration = frame.duration;
+      sample.size = 4 * frame.length; // Space for nal unit size
+      sample.size += frame.byteLength;
+
+      if (frame.keyFrame) {
+        sample.flags.dependsOn = 2;
+        sample.flags.isNonSyncSample = 0;
+      }
+
+      return sample;
+    };
+
+    // generate the track's sample table from an array of gops
+    var generateSampleTable = function generateSampleTable(gops, baseDataOffset) {
+      var h,
+          i,
+          sample,
+          currentGop,
+          currentFrame,
+          dataOffset = baseDataOffset || 0,
+          samples = [];
+
+      for (h = 0; h < gops.length; h++) {
+        currentGop = gops[h];
+
+        for (i = 0; i < currentGop.length; i++) {
+          currentFrame = currentGop[i];
+
+          sample = sampleForFrame(currentFrame, dataOffset);
+
+          dataOffset += sample.size;
+
+          samples.push(sample);
+        }
+      }
+      return samples;
+    };
+
+    // generate the track's raw mdat data from an array of gops
+    var concatenateNalData = function concatenateNalData(gops) {
+      var h,
+          i,
+          j,
+          currentGop,
+          currentFrame,
+          currentNal,
+          dataOffset = 0,
+          nalsByteLength = gops.byteLength,
+          numberOfNals = gops.nalCount,
+          totalByteLength = nalsByteLength + 4 * numberOfNals,
+          data = new Uint8Array(totalByteLength),
+          view = new DataView(data.buffer);
+
+      // For each Gop..
+      for (h = 0; h < gops.length; h++) {
+        currentGop = gops[h];
+
+        // For each Frame..
+        for (i = 0; i < currentGop.length; i++) {
+          currentFrame = currentGop[i];
+
+          // For each NAL..
+          for (j = 0; j < currentFrame.length; j++) {
+            currentNal = currentFrame[j];
+
+            view.setUint32(dataOffset, currentNal.data.byteLength);
+            dataOffset += 4;
+            data.set(currentNal.data, dataOffset);
+            dataOffset += currentNal.data.byteLength;
+          }
+        }
+      }
+      return data;
+    };
+
+    var frameUtils = {
+      groupNalsIntoFrames: groupNalsIntoFrames,
+      groupFramesIntoGops: groupFramesIntoGops,
+      extendFirstKeyFrame: extendFirstKeyFrame,
+      generateSampleTable: generateSampleTable,
+      concatenateNalData: concatenateNalData
+    };
+
+    var ONE_SECOND_IN_TS = 90000; // 90kHz clock
+
+    /**
+     * Store information about the start and end of the track and the
+     * duration for each frame/sample we process in order to calculate
+     * the baseMediaDecodeTime
+     */
+    var collectDtsInfo = function collectDtsInfo(track, data) {
+      if (typeof data.pts === 'number') {
+        if (track.timelineStartInfo.pts === undefined) {
+          track.timelineStartInfo.pts = data.pts;
+        }
+
+        if (track.minSegmentPts === undefined) {
+          track.minSegmentPts = data.pts;
+        } else {
+          track.minSegmentPts = Math.min(track.minSegmentPts, data.pts);
+        }
+
+        if (track.maxSegmentPts === undefined) {
+          track.maxSegmentPts = data.pts;
+        } else {
+          track.maxSegmentPts = Math.max(track.maxSegmentPts, data.pts);
+        }
+      }
+
+      if (typeof data.dts === 'number') {
+        if (track.timelineStartInfo.dts === undefined) {
+          track.timelineStartInfo.dts = data.dts;
+        }
+
+        if (track.minSegmentDts === undefined) {
+          track.minSegmentDts = data.dts;
+        } else {
+          track.minSegmentDts = Math.min(track.minSegmentDts, data.dts);
+        }
+
+        if (track.maxSegmentDts === undefined) {
+          track.maxSegmentDts = data.dts;
+        } else {
+          track.maxSegmentDts = Math.max(track.maxSegmentDts, data.dts);
+        }
+      }
+    };
+
+    /**
+     * Clear values used to calculate the baseMediaDecodeTime between
+     * tracks
+     */
+    var clearDtsInfo = function clearDtsInfo(track) {
+      delete track.minSegmentDts;
+      delete track.maxSegmentDts;
+      delete track.minSegmentPts;
+      delete track.maxSegmentPts;
+    };
+
+    /**
+     * Calculate the track's baseMediaDecodeTime based on the earliest
+     * DTS the transmuxer has ever seen and the minimum DTS for the
+     * current track
+     * @param track {object} track metadata configuration
+     * @param keepOriginalTimestamps {boolean} If true, keep the timestamps
+     *        in the source; false to adjust the first segment to start at 0.
+     */
+    var calculateTrackBaseMediaDecodeTime = function calculateTrackBaseMediaDecodeTime(track, keepOriginalTimestamps) {
+      var baseMediaDecodeTime,
+          scale,
+          minSegmentDts = track.minSegmentDts;
+
+      // Optionally adjust the time so the first segment starts at zero.
+      if (!keepOriginalTimestamps) {
+        minSegmentDts -= track.timelineStartInfo.dts;
+      }
+
+      // track.timelineStartInfo.baseMediaDecodeTime is the location, in time, where
+      // we want the start of the first segment to be placed
+      baseMediaDecodeTime = track.timelineStartInfo.baseMediaDecodeTime;
+
+      // Add to that the distance this segment is from the very first
+      baseMediaDecodeTime += minSegmentDts;
+
+      // baseMediaDecodeTime must not become negative
+      baseMediaDecodeTime = Math.max(0, baseMediaDecodeTime);
+
+      if (track.type === 'audio') {
+        // Audio has a different clock equal to the sampling_rate so we need to
+        // scale the PTS values into the clock rate of the track
+        scale = track.samplerate / ONE_SECOND_IN_TS;
+        baseMediaDecodeTime *= scale;
+        baseMediaDecodeTime = Math.floor(baseMediaDecodeTime);
+      }
+
+      return baseMediaDecodeTime;
+    };
+
+    var trackDecodeInfo = {
+      clearDtsInfo: clearDtsInfo,
+      calculateTrackBaseMediaDecodeTime: calculateTrackBaseMediaDecodeTime,
+      collectDtsInfo: collectDtsInfo
+    };
+
+    /**
+     * mux.js
+     *
+     * Copyright (c) 2015 Brightcove
+     * All rights reserved.
+     *
+     * Reads in-band caption information from a video elementary
+     * stream. Captions must follow the CEA-708 standard for injection
+     * into an MPEG-2 transport streams.
+     * @see https://en.wikipedia.org/wiki/CEA-708
+     * @see https://www.gpo.gov/fdsys/pkg/CFR-2007-title47-vol1/pdf/CFR-2007-title47-vol1-sec15-119.pdf
+     */
+
+    // Supplemental enhancement information (SEI) NAL units have a
+    // payload type field to indicate how they are to be
+    // interpreted. CEAS-708 caption content is always transmitted with
+    // payload type 0x04.
+
+    var USER_DATA_REGISTERED_ITU_T_T35 = 4,
+        RBSP_TRAILING_BITS = 128;
+
+    /**
+      * Parse a supplemental enhancement information (SEI) NAL unit.
+      * Stops parsing once a message of type ITU T T35 has been found.
+      *
+      * @param bytes {Uint8Array} the bytes of a SEI NAL unit
+      * @return {object} the parsed SEI payload
+      * @see Rec. ITU-T H.264, 7.3.2.3.1
+      */
+    var parseSei = function parseSei(bytes) {
+      var i = 0,
+          result = {
+        payloadType: -1,
+        payloadSize: 0
+      },
+          payloadType = 0,
+          payloadSize = 0;
+
+      // go through the sei_rbsp parsing each each individual sei_message
+      while (i < bytes.byteLength) {
+        // stop once we have hit the end of the sei_rbsp
+        if (bytes[i] === RBSP_TRAILING_BITS) {
+          break;
+        }
+
+        // Parse payload type
+        while (bytes[i] === 0xFF) {
+          payloadType += 255;
+          i++;
+        }
+        payloadType += bytes[i++];
+
+        // Parse payload size
+        while (bytes[i] === 0xFF) {
+          payloadSize += 255;
+          i++;
+        }
+        payloadSize += bytes[i++];
+
+        // this sei_message is a 608/708 caption so save it and break
+        // there can only ever be one caption message in a frame's sei
+        if (!result.payload && payloadType === USER_DATA_REGISTERED_ITU_T_T35) {
+          result.payloadType = payloadType;
+          result.payloadSize = payloadSize;
+          result.payload = bytes.subarray(i, i + payloadSize);
+          break;
+        }
+
+        // skip the payload and parse the next message
+        i += payloadSize;
+        payloadType = 0;
+        payloadSize = 0;
+      }
+
+      return result;
+    };
+
+    // see ANSI/SCTE 128-1 (2013), section 8.1
+    var parseUserData = function parseUserData(sei) {
+      // itu_t_t35_contry_code must be 181 (United States) for
+      // captions
+      if (sei.payload[0] !== 181) {
+        return null;
+      }
+
+      // itu_t_t35_provider_code should be 49 (ATSC) for captions
+      if ((sei.payload[1] << 8 | sei.payload[2]) !== 49) {
+        return null;
+      }
+
+      // the user_identifier should be "GA94" to indicate ATSC1 data
+      if (String.fromCharCode(sei.payload[3], sei.payload[4], sei.payload[5], sei.payload[6]) !== 'GA94') {
+        return null;
+      }
+
+      // finally, user_data_type_code should be 0x03 for caption data
+      if (sei.payload[7] !== 0x03) {
+        return null;
+      }
+
+      // return the user_data_type_structure and strip the trailing
+      // marker bits
+      return sei.payload.subarray(8, sei.payload.length - 1);
+    };
+
+    // see CEA-708-D, section 4.4
+    var parseCaptionPackets = function parseCaptionPackets(pts, userData) {
+      var results = [],
+          i,
+          count,
+          offset,
+          data;
+
+      // if this is just filler, return immediately
+      if (!(userData[0] & 0x40)) {
+        return results;
+      }
+
+      // parse out the cc_data_1 and cc_data_2 fields
+      count = userData[0] & 0x1f;
+      for (i = 0; i < count; i++) {
+        offset = i * 3;
+        data = {
+          type: userData[offset + 2] & 0x03,
+          pts: pts
+        };
+
+        // capture cc data when cc_valid is 1
+        if (userData[offset + 2] & 0x04) {
+          data.ccData = userData[offset + 3] << 8 | userData[offset + 4];
+          results.push(data);
+        }
+      }
+      return results;
+    };
+
+    var discardEmulationPreventionBytes = function discardEmulationPreventionBytes(data) {
+      var length = data.byteLength,
+          emulationPreventionBytesPositions = [],
+          i = 1,
+          newLength,
+          newData;
+
+      // Find all `Emulation Prevention Bytes`
+      while (i < length - 2) {
+        if (data[i] === 0 && data[i + 1] === 0 && data[i + 2] === 0x03) {
+          emulationPreventionBytesPositions.push(i + 2);
+          i += 2;
+        } else {
+          i++;
+        }
+      }
+
+      // If no Emulation Prevention Bytes were found just return the original
+      // array
+      if (emulationPreventionBytesPositions.length === 0) {
+        return data;
+      }
+
+      // Create a new array to hold the NAL unit data
+      newLength = length - emulationPreventionBytesPositions.length;
+      newData = new Uint8Array(newLength);
+      var sourceIndex = 0;
+
+      for (i = 0; i < newLength; sourceIndex++, i++) {
+        if (sourceIndex === emulationPreventionBytesPositions[0]) {
+          // Skip this byte
+          sourceIndex++;
+          // Remove this position index
+          emulationPreventionBytesPositions.shift();
+        }
+        newData[i] = data[sourceIndex];
+      }
+
+      return newData;
+    };
+
+    // exports
+    var captionPacketParser = {
+      parseSei: parseSei,
+      parseUserData: parseUserData,
+      parseCaptionPackets: parseCaptionPackets,
+      discardEmulationPreventionBytes: discardEmulationPreventionBytes,
+      USER_DATA_REGISTERED_ITU_T_T35: USER_DATA_REGISTERED_ITU_T_T35
+    };
+
+    // -----------------
+    // Link To Transport
+    // -----------------
+
+
+    var CaptionStream = function CaptionStream() {
+
+      CaptionStream.prototype.init.call(this);
+
+      this.captionPackets_ = [];
+
+      this.ccStreams_ = [new Cea608Stream(0, 0), // eslint-disable-line no-use-before-define
+      new Cea608Stream(0, 1), // eslint-disable-line no-use-before-define
+      new Cea608Stream(1, 0), // eslint-disable-line no-use-before-define
+      new Cea608Stream(1, 1) // eslint-disable-line no-use-before-define
+      ];
+
+      this.reset();
+
+      // forward data and done events from CCs to this CaptionStream
+      this.ccStreams_.forEach(function (cc) {
+        cc.on('data', this.trigger.bind(this, 'data'));
+        cc.on('done', this.trigger.bind(this, 'done'));
+      }, this);
+    };
+
+    CaptionStream.prototype = new stream();
+    CaptionStream.prototype.push = function (event) {
+      var sei, userData, newCaptionPackets;
+
+      // only examine SEI NALs
+      if (event.nalUnitType !== 'sei_rbsp') {
+        return;
+      }
+
+      // parse the sei
+      sei = captionPacketParser.parseSei(event.escapedRBSP);
+
+      // ignore everything but user_data_registered_itu_t_t35
+      if (sei.payloadType !== captionPacketParser.USER_DATA_REGISTERED_ITU_T_T35) {
+        return;
+      }
+
+      // parse out the user data payload
+      userData = captionPacketParser.parseUserData(sei);
+
+      // ignore unrecognized userData
+      if (!userData) {
+        return;
+      }
+
+      // Sometimes, the same segment # will be downloaded twice. To stop the
+      // caption data from being processed twice, we track the latest dts we've
+      // received and ignore everything with a dts before that. However, since
+      // data for a specific dts can be split across packets on either side of
+      // a segment boundary, we need to make sure we *don't* ignore the packets
+      // from the *next* segment that have dts === this.latestDts_. By constantly
+      // tracking the number of packets received with dts === this.latestDts_, we
+      // know how many should be ignored once we start receiving duplicates.
+      if (event.dts < this.latestDts_) {
+        // We've started getting older data, so set the flag.
+        this.ignoreNextEqualDts_ = true;
+        return;
+      } else if (event.dts === this.latestDts_ && this.ignoreNextEqualDts_) {
+        this.numSameDts_--;
+        if (!this.numSameDts_) {
+          // We've received the last duplicate packet, time to start processing again
+          this.ignoreNextEqualDts_ = false;
+        }
+        return;
+      }
+
+      // parse out CC data packets and save them for later
+      newCaptionPackets = captionPacketParser.parseCaptionPackets(event.pts, userData);
+      this.captionPackets_ = this.captionPackets_.concat(newCaptionPackets);
+      if (this.latestDts_ !== event.dts) {
+        this.numSameDts_ = 0;
+      }
+      this.numSameDts_++;
+      this.latestDts_ = event.dts;
+    };
+
+    CaptionStream.prototype.flush = function () {
+      // make sure we actually parsed captions before proceeding
+      if (!this.captionPackets_.length) {
+        this.ccStreams_.forEach(function (cc) {
+          cc.flush();
+        }, this);
+        return;
+      }
+
+      // In Chrome, the Array#sort function is not stable so add a
+      // presortIndex that we can use to ensure we get a stable-sort
+      this.captionPackets_.forEach(function (elem, idx) {
+        elem.presortIndex = idx;
+      });
+
+      // sort caption byte-pairs based on their PTS values
+      this.captionPackets_.sort(function (a, b) {
+        if (a.pts === b.pts) {
+          return a.presortIndex - b.presortIndex;
+        }
+        return a.pts - b.pts;
+      });
+
+      this.captionPackets_.forEach(function (packet) {
+        if (packet.type < 2) {
+          // Dispatch packet to the right Cea608Stream
+          this.dispatchCea608Packet(packet);
+        }
+        // this is where an 'else' would go for a dispatching packets
+        // to a theoretical Cea708Stream that handles SERVICEn data
+      }, this);
+
+      this.captionPackets_.length = 0;
+      this.ccStreams_.forEach(function (cc) {
+        cc.flush();
+      }, this);
+      return;
+    };
+
+    CaptionStream.prototype.reset = function () {
+      this.latestDts_ = null;
+      this.ignoreNextEqualDts_ = false;
+      this.numSameDts_ = 0;
+      this.activeCea608Channel_ = [null, null];
+      this.ccStreams_.forEach(function (ccStream) {
+        ccStream.reset();
+      });
+    };
+
+    CaptionStream.prototype.dispatchCea608Packet = function (packet) {
+      // NOTE: packet.type is the CEA608 field
+      if (this.setsChannel1Active(packet)) {
+        this.activeCea608Channel_[packet.type] = 0;
+      } else if (this.setsChannel2Active(packet)) {
+        this.activeCea608Channel_[packet.type] = 1;
+      }
+      if (this.activeCea608Channel_[packet.type] === null) {
+        // If we haven't received anything to set the active channel, discard the
+        // data; we don't want jumbled captions
+        return;
+      }
+      this.ccStreams_[(packet.type << 1) + this.activeCea608Channel_[packet.type]].push(packet);
+    };
+
+    CaptionStream.prototype.setsChannel1Active = function (packet) {
+      return (packet.ccData & 0x7800) === 0x1000;
+    };
+    CaptionStream.prototype.setsChannel2Active = function (packet) {
+      return (packet.ccData & 0x7800) === 0x1800;
+    };
+
+    // ----------------------
+    // Session to Application
+    // ----------------------
+
+    // This hash maps non-ASCII, special, and extended character codes to their
+    // proper Unicode equivalent. The first keys that are only a single byte
+    // are the non-standard ASCII characters, which simply map the CEA608 byte
+    // to the standard ASCII/Unicode. The two-byte keys that follow are the CEA608
+    // character codes, but have their MSB bitmasked with 0x03 so that a lookup
+    // can be performed regardless of the field and data channel on which the
+    // character code was received.
+    var CHARACTER_TRANSLATION = {
+      0x2a: 0xe1, // á
+      0x5c: 0xe9, // é
+      0x5e: 0xed, // í
+      0x5f: 0xf3, // ó
+      0x60: 0xfa, // ú
+      0x7b: 0xe7, // ç
+      0x7c: 0xf7, // ÷
+      0x7d: 0xd1, // Ñ
+      0x7e: 0xf1, // ñ
+      0x7f: 0x2588, // █
+      0x0130: 0xae, // ®
+      0x0131: 0xb0, // °
+      0x0132: 0xbd, // ½
+      0x0133: 0xbf, // ¿
+      0x0134: 0x2122, // ™
+      0x0135: 0xa2, // ¢
+      0x0136: 0xa3, // £
+      0x0137: 0x266a, // ♪
+      0x0138: 0xe0, // à
+      0x0139: 0xa0, //
+      0x013a: 0xe8, // è
+      0x013b: 0xe2, // â
+      0x013c: 0xea, // ê
+      0x013d: 0xee, // î
+      0x013e: 0xf4, // ô
+      0x013f: 0xfb, // û
+      0x0220: 0xc1, // Á
+      0x0221: 0xc9, // É
+      0x0222: 0xd3, // Ó
+      0x0223: 0xda, // Ú
+      0x0224: 0xdc, // Ü
+      0x0225: 0xfc, // ü
+      0x0226: 0x2018, // ‘
+      0x0227: 0xa1, // ¡
+      0x0228: 0x2a, // *
+      0x0229: 0x27, // '
+      0x022a: 0x2014, // —
+      0x022b: 0xa9, // ©
+      0x022c: 0x2120, // ℠
+      0x022d: 0x2022, // •
+      0x022e: 0x201c, // “
+      0x022f: 0x201d, // ”
+      0x0230: 0xc0, // À
+      0x0231: 0xc2, // Â
+      0x0232: 0xc7, // Ç
+      0x0233: 0xc8, // È
+      0x0234: 0xca, // Ê
+      0x0235: 0xcb, // Ë
+      0x0236: 0xeb, // ë
+      0x0237: 0xce, // Î
+      0x0238: 0xcf, // Ï
+      0x0239: 0xef, // ï
+      0x023a: 0xd4, // Ô
+      0x023b: 0xd9, // Ù
+      0x023c: 0xf9, // ù
+      0x023d: 0xdb, // Û
+      0x023e: 0xab, // «
+      0x023f: 0xbb, // »
+      0x0320: 0xc3, // Ã
+      0x0321: 0xe3, // ã
+      0x0322: 0xcd, // Í
+      0x0323: 0xcc, // Ì
+      0x0324: 0xec, // ì
+      0x0325: 0xd2, // Ò
+      0x0326: 0xf2, // ò
+      0x0327: 0xd5, // Õ
+      0x0328: 0xf5, // õ
+      0x0329: 0x7b, // {
+      0x032a: 0x7d, // }
+      0x032b: 0x5c, // \
+      0x032c: 0x5e, // ^
+      0x032d: 0x5f, // _
+      0x032e: 0x7c, // |
+      0x032f: 0x7e, // ~
+      0x0330: 0xc4, // Ä
+      0x0331: 0xe4, // ä
+      0x0332: 0xd6, // Ö
+      0x0333: 0xf6, // ö
+      0x0334: 0xdf, // ß
+      0x0335: 0xa5, // ¥
+      0x0336: 0xa4, // ¤
+      0x0337: 0x2502, // │
+      0x0338: 0xc5, // Å
+      0x0339: 0xe5, // å
+      0x033a: 0xd8, // Ø
+      0x033b: 0xf8, // ø
+      0x033c: 0x250c, // ┌
+      0x033d: 0x2510, // ┐
+      0x033e: 0x2514, // └
+      0x033f: 0x2518 // ┘
+    };
+
+    var getCharFromCode = function getCharFromCode(code) {
+      if (code === null) {
+        return '';
+      }
+      code = CHARACTER_TRANSLATION[code] || code;
+      return String.fromCharCode(code);
+    };
+
+    // the index of the last row in a CEA-608 display buffer
+    var BOTTOM_ROW = 14;
+
+    // This array is used for mapping PACs -> row #, since there's no way of
+    // getting it through bit logic.
+    var ROWS = [0x1100, 0x1120, 0x1200, 0x1220, 0x1500, 0x1520, 0x1600, 0x1620, 0x1700, 0x1720, 0x1000, 0x1300, 0x1320, 0x1400, 0x1420];
+
+    // CEA-608 captions are rendered onto a 34x15 matrix of character
+    // cells. The "bottom" row is the last element in the outer array.
+    var createDisplayBuffer = function createDisplayBuffer() {
+      var result = [],
+          i = BOTTOM_ROW + 1;
+      while (i--) {
+        result.push('');
+      }
+      return result;
+    };
+
+    var Cea608Stream = function Cea608Stream(field, dataChannel) {
+      Cea608Stream.prototype.init.call(this);
+
+      this.field_ = field || 0;
+      this.dataChannel_ = dataChannel || 0;
+
+      this.name_ = 'CC' + ((this.field_ << 1 | this.dataChannel_) + 1);
+
+      this.setConstants();
+      this.reset();
+
+      this.push = function (packet) {
+        var data, swap, char0, char1, text;
+        // remove the parity bits
+        data = packet.ccData & 0x7f7f;
+
+        // ignore duplicate control codes; the spec demands they're sent twice
+        if (data === this.lastControlCode_) {
+          this.lastControlCode_ = null;
+          return;
+        }
+
+        // Store control codes
+        if ((data & 0xf000) === 0x1000) {
+          this.lastControlCode_ = data;
+        } else if (data !== this.PADDING_) {
+          this.lastControlCode_ = null;
+        }
+
+        char0 = data >>> 8;
+        char1 = data & 0xff;
+
+        if (data === this.PADDING_) {
+          return;
+        } else if (data === this.RESUME_CAPTION_LOADING_) {
+          this.mode_ = 'popOn';
+        } else if (data === this.END_OF_CAPTION_) {
+          // If an EOC is received while in paint-on mode, the displayed caption
+          // text should be swapped to non-displayed memory as if it was a pop-on
+          // caption. Because of that, we should explicitly switch back to pop-on
+          // mode
+          this.mode_ = 'popOn';
+          this.clearFormatting(packet.pts);
+          // if a caption was being displayed, it's gone now
+          this.flushDisplayed(packet.pts);
+
+          // flip memory
+          swap = this.displayed_;
+          this.displayed_ = this.nonDisplayed_;
+          this.nonDisplayed_ = swap;
+
+          // start measuring the time to display the caption
+          this.startPts_ = packet.pts;
+        } else if (data === this.ROLL_UP_2_ROWS_) {
+          this.rollUpRows_ = 2;
+          this.setRollUp(packet.pts);
+        } else if (data === this.ROLL_UP_3_ROWS_) {
+          this.rollUpRows_ = 3;
+          this.setRollUp(packet.pts);
+        } else if (data === this.ROLL_UP_4_ROWS_) {
+          this.rollUpRows_ = 4;
+          this.setRollUp(packet.pts);
+        } else if (data === this.CARRIAGE_RETURN_) {
+          this.clearFormatting(packet.pts);
+          this.flushDisplayed(packet.pts);
+          this.shiftRowsUp_();
+          this.startPts_ = packet.pts;
+        } else if (data === this.BACKSPACE_) {
+          if (this.mode_ === 'popOn') {
+            this.nonDisplayed_[this.row_] = this.nonDisplayed_[this.row_].slice(0, -1);
+          } else {
+            this.displayed_[this.row_] = this.displayed_[this.row_].slice(0, -1);
+          }
+        } else if (data === this.ERASE_DISPLAYED_MEMORY_) {
+          this.flushDisplayed(packet.pts);
+          this.displayed_ = createDisplayBuffer();
+        } else if (data === this.ERASE_NON_DISPLAYED_MEMORY_) {
+          this.nonDisplayed_ = createDisplayBuffer();
+        } else if (data === this.RESUME_DIRECT_CAPTIONING_) {
+          if (this.mode_ !== 'paintOn') {
+            // NOTE: This should be removed when proper caption positioning is
+            // implemented
+            this.flushDisplayed(packet.pts);
+            this.displayed_ = createDisplayBuffer();
+          }
+          this.mode_ = 'paintOn';
+          this.startPts_ = packet.pts;
+
+          // Append special characters to caption text
+        } else if (this.isSpecialCharacter(char0, char1)) {
+          // Bitmask char0 so that we can apply character transformations
+          // regardless of field and data channel.
+          // Then byte-shift to the left and OR with char1 so we can pass the
+          // entire character code to `getCharFromCode`.
+          char0 = (char0 & 0x03) << 8;
+          text = getCharFromCode(char0 | char1);
+          this[this.mode_](packet.pts, text);
+          this.column_++;
+
+          // Append extended characters to caption text
+        } else if (this.isExtCharacter(char0, char1)) {
+          // Extended characters always follow their "non-extended" equivalents.
+          // IE if a "è" is desired, you'll always receive "eè"; non-compliant
+          // decoders are supposed to drop the "è", while compliant decoders
+          // backspace the "e" and insert "è".
+
+          // Delete the previous character
+          if (this.mode_ === 'popOn') {
+            this.nonDisplayed_[this.row_] = this.nonDisplayed_[this.row_].slice(0, -1);
+          } else {
+            this.displayed_[this.row_] = this.displayed_[this.row_].slice(0, -1);
+          }
+
+          // Bitmask char0 so that we can apply character transformations
+          // regardless of field and data channel.
+          // Then byte-shift to the left and OR with char1 so we can pass the
+          // entire character code to `getCharFromCode`.
+          char0 = (char0 & 0x03) << 8;
+          text = getCharFromCode(char0 | char1);
+          this[this.mode_](packet.pts, text);
+          this.column_++;
+
+          // Process mid-row codes
+        } else if (this.isMidRowCode(char0, char1)) {
+          // Attributes are not additive, so clear all formatting
+          this.clearFormatting(packet.pts);
+
+          // According to the standard, mid-row codes
+          // should be replaced with spaces, so add one now
+          this[this.mode_](packet.pts, ' ');
+          this.column_++;
+
+          if ((char1 & 0xe) === 0xe) {
+            this.addFormatting(packet.pts, ['i']);
+          }
+
+          if ((char1 & 0x1) === 0x1) {
+            this.addFormatting(packet.pts, ['u']);
+          }
+
+          // Detect offset control codes and adjust cursor
+        } else if (this.isOffsetControlCode(char0, char1)) {
+          // Cursor position is set by indent PAC (see below) in 4-column
+          // increments, with an additional offset code of 1-3 to reach any
+          // of the 32 columns specified by CEA-608. So all we need to do
+          // here is increment the column cursor by the given offset.
+          this.column_ += char1 & 0x03;
+
+          // Detect PACs (Preamble Address Codes)
+        } else if (this.isPAC(char0, char1)) {
+
+          // There's no logic for PAC -> row mapping, so we have to just
+          // find the row code in an array and use its index :(
+          var row = ROWS.indexOf(data & 0x1f20);
+
+          // Configure the caption window if we're in roll-up mode
+          if (this.mode_ === 'rollUp') {
+            this.setRollUp(packet.pts, row);
+          }
+
+          if (row !== this.row_) {
+            // formatting is only persistent for current row
+            this.clearFormatting(packet.pts);
+            this.row_ = row;
+          }
+          // All PACs can apply underline, so detect and apply
+          // (All odd-numbered second bytes set underline)
+          if (char1 & 0x1 && this.formatting_.indexOf('u') === -1) {
+            this.addFormatting(packet.pts, ['u']);
+          }
+
+          if ((data & 0x10) === 0x10) {
+            // We've got an indent level code. Each successive even number
+            // increments the column cursor by 4, so we can get the desired
+            // column position by bit-shifting to the right (to get n/2)
+            // and multiplying by 4.
+            this.column_ = ((data & 0xe) >> 1) * 4;
+          }
+
+          if (this.isColorPAC(char1)) {
+            // it's a color code, though we only support white, which
+            // can be either normal or italicized. white italics can be
+            // either 0x4e or 0x6e depending on the row, so we just
+            // bitwise-and with 0xe to see if italics should be turned on
+            if ((char1 & 0xe) === 0xe) {
+              this.addFormatting(packet.pts, ['i']);
+            }
+          }
+
+          // We have a normal character in char0, and possibly one in char1
+        } else if (this.isNormalChar(char0)) {
+          if (char1 === 0x00) {
+            char1 = null;
+          }
+          text = getCharFromCode(char0);
+          text += getCharFromCode(char1);
+          this[this.mode_](packet.pts, text);
+          this.column_ += text.length;
+        } // finish data processing
+      };
+    };
+    Cea608Stream.prototype = new stream();
+    // Trigger a cue point that captures the current state of the
+    // display buffer
+    Cea608Stream.prototype.flushDisplayed = function (pts) {
+      var content = this.displayed_
+      // remove spaces from the start and end of the string
+      .map(function (row) {
+        return row.trim();
+      })
+      // combine all text rows to display in one cue
+      .join('\n')
+      // and remove blank rows from the start and end, but not the middle
+      .replace(/^\n+|\n+$/g, '');
+
+      if (content.length) {
+        this.trigger('data', {
+          startPts: this.startPts_,
+          endPts: pts,
+          text: content,
+          stream: this.name_
+        });
+      }
+    };
+
+    /**
+     * Zero out the data, used for startup and on seek
+     */
+    Cea608Stream.prototype.reset = function () {
+      this.mode_ = 'popOn';
+      // When in roll-up mode, the index of the last row that will
+      // actually display captions. If a caption is shifted to a row
+      // with a lower index than this, it is cleared from the display
+      // buffer
+      this.topRow_ = 0;
+      this.startPts_ = 0;
+      this.displayed_ = createDisplayBuffer();
+      this.nonDisplayed_ = createDisplayBuffer();
+      this.lastControlCode_ = null;
+
+      // Track row and column for proper line-breaking and spacing
+      this.column_ = 0;
+      this.row_ = BOTTOM_ROW;
+      this.rollUpRows_ = 2;
+
+      // This variable holds currently-applied formatting
+      this.formatting_ = [];
+    };
+
+    /**
+     * Sets up control code and related constants for this instance
+     */
+    Cea608Stream.prototype.setConstants = function () {
+      // The following attributes have these uses:
+      // ext_ :    char0 for mid-row codes, and the base for extended
+      //           chars (ext_+0, ext_+1, and ext_+2 are char0s for
+      //           extended codes)
+      // control_: char0 for control codes, except byte-shifted to the
+      //           left so that we can do this.control_ | CONTROL_CODE
+      // offset_:  char0 for tab offset codes
+      //
+      // It's also worth noting that control codes, and _only_ control codes,
+      // differ between field 1 and field2. Field 2 control codes are always
+      // their field 1 value plus 1. That's why there's the "| field" on the
+      // control value.
+      if (this.dataChannel_ === 0) {
+        this.BASE_ = 0x10;
+        this.EXT_ = 0x11;
+        this.CONTROL_ = (0x14 | this.field_) << 8;
+        this.OFFSET_ = 0x17;
+      } else if (this.dataChannel_ === 1) {
+        this.BASE_ = 0x18;
+        this.EXT_ = 0x19;
+        this.CONTROL_ = (0x1c | this.field_) << 8;
+        this.OFFSET_ = 0x1f;
+      }
+
+      // Constants for the LSByte command codes recognized by Cea608Stream. This
+      // list is not exhaustive. For a more comprehensive listing and semantics see
+      // http://www.gpo.gov/fdsys/pkg/CFR-2010-title47-vol1/pdf/CFR-2010-title47-vol1-sec15-119.pdf
+      // Padding
+      this.PADDING_ = 0x0000;
+      // Pop-on Mode
+      this.RESUME_CAPTION_LOADING_ = this.CONTROL_ | 0x20;
+      this.END_OF_CAPTION_ = this.CONTROL_ | 0x2f;
+      // Roll-up Mode
+      this.ROLL_UP_2_ROWS_ = this.CONTROL_ | 0x25;
+      this.ROLL_UP_3_ROWS_ = this.CONTROL_ | 0x26;
+      this.ROLL_UP_4_ROWS_ = this.CONTROL_ | 0x27;
+      this.CARRIAGE_RETURN_ = this.CONTROL_ | 0x2d;
+      // paint-on mode
+      this.RESUME_DIRECT_CAPTIONING_ = this.CONTROL_ | 0x29;
+      // Erasure
+      this.BACKSPACE_ = this.CONTROL_ | 0x21;
+      this.ERASE_DISPLAYED_MEMORY_ = this.CONTROL_ | 0x2c;
+      this.ERASE_NON_DISPLAYED_MEMORY_ = this.CONTROL_ | 0x2e;
+    };
+
+    /**
+     * Detects if the 2-byte packet data is a special character
+     *
+     * Special characters have a second byte in the range 0x30 to 0x3f,
+     * with the first byte being 0x11 (for data channel 1) or 0x19 (for
+     * data channel 2).
+     *
+     * @param  {Integer} char0 The first byte
+     * @param  {Integer} char1 The second byte
+     * @return {Boolean}       Whether the 2 bytes are an special character
+     */
+    Cea608Stream.prototype.isSpecialCharacter = function (char0, char1) {
+      return char0 === this.EXT_ && char1 >= 0x30 && char1 <= 0x3f;
+    };
+
+    /**
+     * Detects if the 2-byte packet data is an extended character
+     *
+     * Extended characters have a second byte in the range 0x20 to 0x3f,
+     * with the first byte being 0x12 or 0x13 (for data channel 1) or
+     * 0x1a or 0x1b (for data channel 2).
+     *
+     * @param  {Integer} char0 The first byte
+     * @param  {Integer} char1 The second byte
+     * @return {Boolean}       Whether the 2 bytes are an extended character
+     */
+    Cea608Stream.prototype.isExtCharacter = function (char0, char1) {
+      return (char0 === this.EXT_ + 1 || char0 === this.EXT_ + 2) && char1 >= 0x20 && char1 <= 0x3f;
+    };
+
+    /**
+     * Detects if the 2-byte packet is a mid-row code
+     *
+     * Mid-row codes have a second byte in the range 0x20 to 0x2f, with
+     * the first byte being 0x11 (for data channel 1) or 0x19 (for data
+     * channel 2).
+     *
+     * @param  {Integer} char0 The first byte
+     * @param  {Integer} char1 The second byte
+     * @return {Boolean}       Whether the 2 bytes are a mid-row code
+     */
+    Cea608Stream.prototype.isMidRowCode = function (char0, char1) {
+      return char0 === this.EXT_ && char1 >= 0x20 && char1 <= 0x2f;
+    };
+
+    /**
+     * Detects if the 2-byte packet is an offset control code
+     *
+     * Offset control codes have a second byte in the range 0x21 to 0x23,
+     * with the first byte being 0x17 (for data channel 1) or 0x1f (for
+     * data channel 2).
+     *
+     * @param  {Integer} char0 The first byte
+     * @param  {Integer} char1 The second byte
+     * @return {Boolean}       Whether the 2 bytes are an offset control code
+     */
+    Cea608Stream.prototype.isOffsetControlCode = function (char0, char1) {
+      return char0 === this.OFFSET_ && char1 >= 0x21 && char1 <= 0x23;
+    };
+
+    /**
+     * Detects if the 2-byte packet is a Preamble Address Code
+     *
+     * PACs have a first byte in the range 0x10 to 0x17 (for data channel 1)
+     * or 0x18 to 0x1f (for data channel 2), with the second byte in the
+     * range 0x40 to 0x7f.
+     *
+     * @param  {Integer} char0 The first byte
+     * @param  {Integer} char1 The second byte
+     * @return {Boolean}       Whether the 2 bytes are a PAC
+     */
+    Cea608Stream.prototype.isPAC = function (char0, char1) {
+      return char0 >= this.BASE_ && char0 < this.BASE_ + 8 && char1 >= 0x40 && char1 <= 0x7f;
+    };
+
+    /**
+     * Detects if a packet's second byte is in the range of a PAC color code
+     *
+     * PAC color codes have the second byte be in the range 0x40 to 0x4f, or
+     * 0x60 to 0x6f.
+     *
+     * @param  {Integer} char1 The second byte
+     * @return {Boolean}       Whether the byte is a color PAC
+     */
+    Cea608Stream.prototype.isColorPAC = function (char1) {
+      return char1 >= 0x40 && char1 <= 0x4f || char1 >= 0x60 && char1 <= 0x7f;
+    };
+
+    /**
+     * Detects if a single byte is in the range of a normal character
+     *
+     * Normal text bytes are in the range 0x20 to 0x7f.
+     *
+     * @param  {Integer} char  The byte
+     * @return {Boolean}       Whether the byte is a normal character
+     */
+    Cea608Stream.prototype.isNormalChar = function (char) {
+      return char >= 0x20 && char <= 0x7f;
+    };
+
+    /**
+     * Configures roll-up
+     *
+     * @param  {Integer} pts         Current PTS
+     * @param  {Integer} newBaseRow  Used by PACs to slide the current window to
+     *                               a new position
+     */
+    Cea608Stream.prototype.setRollUp = function (pts, newBaseRow) {
+      // Reset the base row to the bottom row when switching modes
+      if (this.mode_ !== 'rollUp') {
+        this.row_ = BOTTOM_ROW;
+        this.mode_ = 'rollUp';
+        // Spec says to wipe memories when switching to roll-up
+        this.flushDisplayed(pts);
+        this.nonDisplayed_ = createDisplayBuffer();
+        this.displayed_ = createDisplayBuffer();
+      }
+
+      if (newBaseRow !== undefined && newBaseRow !== this.row_) {
+        // move currently displayed captions (up or down) to the new base row
+        for (var i = 0; i < this.rollUpRows_; i++) {
+          this.displayed_[newBaseRow - i] = this.displayed_[this.row_ - i];
+          this.displayed_[this.row_ - i] = '';
+        }
+      }
+
+      if (newBaseRow === undefined) {
+        newBaseRow = this.row_;
+      }
+      this.topRow_ = newBaseRow - this.rollUpRows_ + 1;
+    };
+
+    // Adds the opening HTML tag for the passed character to the caption text,
+    // and keeps track of it for later closing
+    Cea608Stream.prototype.addFormatting = function (pts, format) {
+      this.formatting_ = this.formatting_.concat(format);
+      var text = format.reduce(function (text, format) {
+        return text + '<' + format + '>';
+      }, '');
+      this[this.mode_](pts, text);
+    };
+
+    // Adds HTML closing tags for current formatting to caption text and
+    // clears remembered formatting
+    Cea608Stream.prototype.clearFormatting = function (pts) {
+      if (!this.formatting_.length) {
+        return;
+      }
+      var text = this.formatting_.reverse().reduce(function (text, format) {
+        return text + '</' + format + '>';
+      }, '');
+      this.formatting_ = [];
+      this[this.mode_](pts, text);
+    };
+
+    // Mode Implementations
+    Cea608Stream.prototype.popOn = function (pts, text) {
+      var baseRow = this.nonDisplayed_[this.row_];
+
+      // buffer characters
+      baseRow += text;
+      this.nonDisplayed_[this.row_] = baseRow;
+    };
+
+    Cea608Stream.prototype.rollUp = function (pts, text) {
+      var baseRow = this.displayed_[this.row_];
+
+      baseRow += text;
+      this.displayed_[this.row_] = baseRow;
+    };
+
+    Cea608Stream.prototype.shiftRowsUp_ = function () {
+      var i;
+      // clear out inactive rows
+      for (i = 0; i < this.topRow_; i++) {
+        this.displayed_[i] = '';
+      }
+      for (i = this.row_ + 1; i < BOTTOM_ROW + 1; i++) {
+        this.displayed_[i] = '';
+      }
+      // shift displayed rows up
+      for (i = this.topRow_; i < this.row_; i++) {
+        this.displayed_[i] = this.displayed_[i + 1];
+      }
+      // clear out the bottom row
+      this.displayed_[this.row_] = '';
+    };
+
+    Cea608Stream.prototype.paintOn = function (pts, text) {
+      var baseRow = this.displayed_[this.row_];
+
+      baseRow += text;
+      this.displayed_[this.row_] = baseRow;
+    };
+
+    // exports
+    var captionStream = {
+      CaptionStream: CaptionStream,
+      Cea608Stream: Cea608Stream
+    };
+
+    var streamTypes = {
+      H264_STREAM_TYPE: 0x1B,
+      ADTS_STREAM_TYPE: 0x0F,
+      METADATA_STREAM_TYPE: 0x15
+    };
+
+    var MAX_TS = 8589934592;
+
+    var RO_THRESH = 4294967296;
+
+    var handleRollover = function handleRollover(value, reference) {
+      var direction = 1;
+
+      if (value > reference) {
+        // If the current timestamp value is greater than our reference timestamp and we detect a
+        // timestamp rollover, this means the roll over is happening in the opposite direction.
+        // Example scenario: Enter a long stream/video just after a rollover occurred. The reference
+        // point will be set to a small number, e.g. 1. The user then seeks backwards over the
+        // rollover point. In loading this segment, the timestamp values will be very large,
+        // e.g. 2^33 - 1. Since this comes before the data we loaded previously, we want to adjust
+        // the time stamp to be `value - 2^33`.
+        direction = -1;
+      }
+
+      // Note: A seek forwards or back that is greater than the RO_THRESH (2^32, ~13 hours) will
+      // cause an incorrect adjustment.
+      while (Math.abs(reference - value) > RO_THRESH) {
+        value += direction * MAX_TS;
+      }
+
+      return value;
+    };
+
+    var TimestampRolloverStream = function TimestampRolloverStream(type) {
+      var lastDTS, referenceDTS;
+
+      TimestampRolloverStream.prototype.init.call(this);
+
+      this.type_ = type;
+
+      this.push = function (data) {
+        if (data.type !== this.type_) {
+          return;
+        }
+
+        if (referenceDTS === undefined) {
+          referenceDTS = data.dts;
+        }
+
+        data.dts = handleRollover(data.dts, referenceDTS);
+        data.pts = handleRollover(data.pts, referenceDTS);
+
+        lastDTS = data.dts;
+
+        this.trigger('data', data);
+      };
+
+      this.flush = function () {
+        referenceDTS = lastDTS;
+        this.trigger('done');
+      };
+
+      this.discontinuity = function () {
+        referenceDTS = void 0;
+        lastDTS = void 0;
+      };
+    };
+
+    TimestampRolloverStream.prototype = new stream();
+
+    var timestampRolloverStream = {
+      TimestampRolloverStream: TimestampRolloverStream,
+      handleRollover: handleRollover
+    };
+
+    var percentEncode = function percentEncode(bytes, start, end) {
+      var i,
+          result = '';
+      for (i = start; i < end; i++) {
+        result += '%' + ('00' + bytes[i].toString(16)).slice(-2);
+      }
+      return result;
+    },
+
+
+    // return the string representation of the specified byte range,
+    // interpreted as UTf-8.
+    parseUtf8 = function parseUtf8(bytes, start, end) {
+      return decodeURIComponent(percentEncode(bytes, start, end));
+    },
+
+
+    // return the string representation of the specified byte range,
+    // interpreted as ISO-8859-1.
+    parseIso88591 = function parseIso88591(bytes, start, end) {
+      return unescape(percentEncode(bytes, start, end)); // jshint ignore:line
+    },
+        parseSyncSafeInteger = function parseSyncSafeInteger(data) {
+      return data[0] << 21 | data[1] << 14 | data[2] << 7 | data[3];
+    },
+        tagParsers = {
+      TXXX: function TXXX(tag) {
+        var i;
+        if (tag.data[0] !== 3) {
+          // ignore frames with unrecognized character encodings
+          return;
+        }
+
+        for (i = 1; i < tag.data.length; i++) {
+          if (tag.data[i] === 0) {
+            // parse the text fields
+            tag.description = parseUtf8(tag.data, 1, i);
+            // do not include the null terminator in the tag value
+            tag.value = parseUtf8(tag.data, i + 1, tag.data.length).replace(/\0*$/, '');
+            break;
+          }
+        }
+        tag.data = tag.value;
+      },
+      WXXX: function WXXX(tag) {
+        var i;
+        if (tag.data[0] !== 3) {
+          // ignore frames with unrecognized character encodings
+          return;
+        }
+
+        for (i = 1; i < tag.data.length; i++) {
+          if (tag.data[i] === 0) {
+            // parse the description and URL fields
+            tag.description = parseUtf8(tag.data, 1, i);
+            tag.url = parseUtf8(tag.data, i + 1, tag.data.length);
+            break;
+          }
+        }
+      },
+      PRIV: function PRIV(tag) {
+        var i;
+
+        for (i = 0; i < tag.data.length; i++) {
+          if (tag.data[i] === 0) {
+            // parse the description and URL fields
+            tag.owner = parseIso88591(tag.data, 0, i);
+            break;
+          }
+        }
+        tag.privateData = tag.data.subarray(i + 1);
+        tag.data = tag.privateData;
+      }
+    },
+        _MetadataStream;
+
+    _MetadataStream = function MetadataStream(options) {
+      var settings = {
+        debug: !!(options && options.debug),
+
+        // the bytes of the program-level descriptor field in MP2T
+        // see ISO/IEC 13818-1:2013 (E), section 2.6 "Program and
+        // program element descriptors"
+        descriptor: options && options.descriptor
+      },
+
+
+      // the total size in bytes of the ID3 tag being parsed
+      tagSize = 0,
+
+
+      // tag data that is not complete enough to be parsed
+      buffer = [],
+
+
+      // the total number of bytes currently in the buffer
+      bufferSize = 0,
+          i;
+
+      _MetadataStream.prototype.init.call(this);
+
+      // calculate the text track in-band metadata track dispatch type
+      // https://html.spec.whatwg.org/multipage/embedded-content.html#steps-to-expose-a-media-resource-specific-text-track
+      this.dispatchType = streamTypes.METADATA_STREAM_TYPE.toString(16);
+      if (settings.descriptor) {
+        for (i = 0; i < settings.descriptor.length; i++) {
+          this.dispatchType += ('00' + settings.descriptor[i].toString(16)).slice(-2);
+        }
+      }
+
+      this.push = function (chunk) {
+        var tag, frameStart, frameSize, frame, i, frameHeader;
+        if (chunk.type !== 'timed-metadata') {
+          return;
+        }
+
+        // if data_alignment_indicator is set in the PES header,
+        // we must have the start of a new ID3 tag. Assume anything
+        // remaining in the buffer was malformed and throw it out
+        if (chunk.dataAlignmentIndicator) {
+          bufferSize = 0;
+          buffer.length = 0;
+        }
+
+        // ignore events that don't look like ID3 data
+        if (buffer.length === 0 && (chunk.data.length < 10 || chunk.data[0] !== 'I'.charCodeAt(0) || chunk.data[1] !== 'D'.charCodeAt(0) || chunk.data[2] !== '3'.charCodeAt(0))) {
+          if (settings.debug) {
+            // eslint-disable-next-line no-console
+            console.log('Skipping unrecognized metadata packet');
+          }
+          return;
+        }
+
+        // add this chunk to the data we've collected so far
+
+        buffer.push(chunk);
+        bufferSize += chunk.data.byteLength;
+
+        // grab the size of the entire frame from the ID3 header
+        if (buffer.length === 1) {
+          // the frame size is transmitted as a 28-bit integer in the
+          // last four bytes of the ID3 header.
+          // The most significant bit of each byte is dropped and the
+          // results concatenated to recover the actual value.
+          tagSize = parseSyncSafeInteger(chunk.data.subarray(6, 10));
+
+          // ID3 reports the tag size excluding the header but it's more
+          // convenient for our comparisons to include it
+          tagSize += 10;
+        }
+
+        // if the entire frame has not arrived, wait for more data
+        if (bufferSize < tagSize) {
+          return;
+        }
+
+        // collect the entire frame so it can be parsed
+        tag = {
+          data: new Uint8Array(tagSize),
+          frames: [],
+          pts: buffer[0].pts,
+          dts: buffer[0].dts
+        };
+        for (i = 0; i < tagSize;) {
+          tag.data.set(buffer[0].data.subarray(0, tagSize - i), i);
+          i += buffer[0].data.byteLength;
+          bufferSize -= buffer[0].data.byteLength;
+          buffer.shift();
+        }
+
+        // find the start of the first frame and the end of the tag
+        frameStart = 10;
+        if (tag.data[5] & 0x40) {
+          // advance the frame start past the extended header
+          frameStart += 4; // header size field
+          frameStart += parseSyncSafeInteger(tag.data.subarray(10, 14));
+
+          // clip any padding off the end
+          tagSize -= parseSyncSafeInteger(tag.data.subarray(16, 20));
+        }
+
+        // parse one or more ID3 frames
+        // http://id3.org/id3v2.3.0#ID3v2_frame_overview
+        do {
+          // determine the number of bytes in this frame
+          frameSize = parseSyncSafeInteger(tag.data.subarray(frameStart + 4, frameStart + 8));
+          if (frameSize < 1) {
+            // eslint-disable-next-line no-console
+            return console.log('Malformed ID3 frame encountered. Skipping metadata parsing.');
+          }
+          frameHeader = String.fromCharCode(tag.data[frameStart], tag.data[frameStart + 1], tag.data[frameStart + 2], tag.data[frameStart + 3]);
+
+          frame = {
+            id: frameHeader,
+            data: tag.data.subarray(frameStart + 10, frameStart + frameSize + 10)
+          };
+          frame.key = frame.id;
+          if (tagParsers[frame.id]) {
+            tagParsers[frame.id](frame);
+
+            // handle the special PRIV frame used to indicate the start
+            // time for raw AAC data
+            if (frame.owner === 'com.apple.streaming.transportStreamTimestamp') {
+              var d = frame.data,
+                  size = (d[3] & 0x01) << 30 | d[4] << 22 | d[5] << 14 | d[6] << 6 | d[7] >>> 2;
+
+              size *= 4;
+              size += d[7] & 0x03;
+              frame.timeStamp = size;
+              // in raw AAC, all subsequent data will be timestamped based
+              // on the value of this frame
+              // we couldn't have known the appropriate pts and dts before
+              // parsing this ID3 tag so set those values now
+              if (tag.pts === undefined && tag.dts === undefined) {
+                tag.pts = frame.timeStamp;
+                tag.dts = frame.timeStamp;
+              }
+              this.trigger('timestamp', frame);
+            }
+          }
+          tag.frames.push(frame);
+
+          frameStart += 10; // advance past the frame header
+          frameStart += frameSize; // advance past the frame body
+        } while (frameStart < tagSize);
+        this.trigger('data', tag);
+      };
+    };
+    _MetadataStream.prototype = new stream();
+
+    var metadataStream = _MetadataStream;
+
+    var TimestampRolloverStream$1 = timestampRolloverStream.TimestampRolloverStream;
+
+    // object types
+    var _TransportPacketStream, _TransportParseStream, _ElementaryStream;
+
+    // constants
+    var MP2T_PACKET_LENGTH = 188,
+
+
+    // bytes
+    SYNC_BYTE = 0x47;
+
+    /**
+     * Splits an incoming stream of binary data into MPEG-2 Transport
+     * Stream packets.
+     */
+    _TransportPacketStream = function TransportPacketStream() {
+      var buffer = new Uint8Array(MP2T_PACKET_LENGTH),
+          bytesInBuffer = 0;
+
+      _TransportPacketStream.prototype.init.call(this);
+
+      // Deliver new bytes to the stream.
+
+      /**
+       * Split a stream of data into M2TS packets
+      **/
+      this.push = function (bytes) {
+        var startIndex = 0,
+            endIndex = MP2T_PACKET_LENGTH,
+            everything;
+
+        // If there are bytes remaining from the last segment, prepend them to the
+        // bytes that were pushed in
+        if (bytesInBuffer) {
+          everything = new Uint8Array(bytes.byteLength + bytesInBuffer);
+          everything.set(buffer.subarray(0, bytesInBuffer));
+          everything.set(bytes, bytesInBuffer);
+          bytesInBuffer = 0;
+        } else {
+          everything = bytes;
+        }
+
+        // While we have enough data for a packet
+        while (endIndex < everything.byteLength) {
+          // Look for a pair of start and end sync bytes in the data..
+          if (everything[startIndex] === SYNC_BYTE && everything[endIndex] === SYNC_BYTE) {
+            // We found a packet so emit it and jump one whole packet forward in
+            // the stream
+            this.trigger('data', everything.subarray(startIndex, endIndex));
+            startIndex += MP2T_PACKET_LENGTH;
+            endIndex += MP2T_PACKET_LENGTH;
+            continue;
+          }
+          // If we get here, we have somehow become de-synchronized and we need to step
+          // forward one byte at a time until we find a pair of sync bytes that denote
+          // a packet
+          startIndex++;
+          endIndex++;
+        }
+
+        // If there was some data left over at the end of the segment that couldn't
+        // possibly be a whole packet, keep it because it might be the start of a packet
+        // that continues in the next segment
+        if (startIndex < everything.byteLength) {
+          buffer.set(everything.subarray(startIndex), 0);
+          bytesInBuffer = everything.byteLength - startIndex;
+        }
+      };
+
+      /**
+       * Passes identified M2TS packets to the TransportParseStream to be parsed
+      **/
+      this.flush = function () {
+        // If the buffer contains a whole packet when we are being flushed, emit it
+        // and empty the buffer. Otherwise hold onto the data because it may be
+        // important for decoding the next segment
+        if (bytesInBuffer === MP2T_PACKET_LENGTH && buffer[0] === SYNC_BYTE) {
+          this.trigger('data', buffer);
+          bytesInBuffer = 0;
+        }
+        this.trigger('done');
+      };
+    };
+    _TransportPacketStream.prototype = new stream();
+
+    /**
+     * Accepts an MP2T TransportPacketStream and emits data events with parsed
+     * forms of the individual transport stream packets.
+     */
+    _TransportParseStream = function TransportParseStream() {
+      var parsePsi, parsePat, parsePmt, self;
+      _TransportParseStream.prototype.init.call(this);
+      self = this;
+
+      this.packetsWaitingForPmt = [];
+      this.programMapTable = undefined;
+
+      parsePsi = function parsePsi(payload, psi) {
+        var offset = 0;
+
+        // PSI packets may be split into multiple sections and those
+        // sections may be split into multiple packets. If a PSI
+        // section starts in this packet, the payload_unit_start_indicator
+        // will be true and the first byte of the payload will indicate
+        // the offset from the current position to the start of the
+        // section.
+        if (psi.payloadUnitStartIndicator) {
+          offset += payload[offset] + 1;
+        }
+
+        if (psi.type === 'pat') {
+          parsePat(payload.subarray(offset), psi);
+        } else {
+          parsePmt(payload.subarray(offset), psi);
+        }
+      };
+
+      parsePat = function parsePat(payload, pat) {
+        pat.section_number = payload[7]; // eslint-disable-line camelcase
+        pat.last_section_number = payload[8]; // eslint-disable-line camelcase
+
+        // skip the PSI header and parse the first PMT entry
+        self.pmtPid = (payload[10] & 0x1F) << 8 | payload[11];
+        pat.pmtPid = self.pmtPid;
+      };
+
+      /**
+       * Parse out the relevant fields of a Program Map Table (PMT).
+       * @param payload {Uint8Array} the PMT-specific portion of an MP2T
+       * packet. The first byte in this array should be the table_id
+       * field.
+       * @param pmt {object} the object that should be decorated with
+       * fields parsed from the PMT.
+       */
+      parsePmt = function parsePmt(payload, pmt) {
+        var sectionLength, tableEnd, programInfoLength, offset;
+
+        // PMTs can be sent ahead of the time when they should actually
+        // take effect. We don't believe this should ever be the case
+        // for HLS but we'll ignore "forward" PMT declarations if we see
+        // them. Future PMT declarations have the current_next_indicator
+        // set to zero.
+        if (!(payload[5] & 0x01)) {
+          return;
+        }
+
+        // overwrite any existing program map table
+        self.programMapTable = {
+          video: null,
+          audio: null,
+          'timed-metadata': {}
+        };
+
+        // the mapping table ends at the end of the current section
+        sectionLength = (payload[1] & 0x0f) << 8 | payload[2];
+        tableEnd = 3 + sectionLength - 4;
+
+        // to determine where the table is, we have to figure out how
+        // long the program info descriptors are
+        programInfoLength = (payload[10] & 0x0f) << 8 | payload[11];
+
+        // advance the offset to the first entry in the mapping table
+        offset = 12 + programInfoLength;
+        while (offset < tableEnd) {
+          var streamType = payload[offset];
+          var pid = (payload[offset + 1] & 0x1F) << 8 | payload[offset + 2];
+
+          // only map a single elementary_pid for audio and video stream types
+          // TODO: should this be done for metadata too? for now maintain behavior of
+          //       multiple metadata streams
+          if (streamType === streamTypes.H264_STREAM_TYPE && self.programMapTable.video === null) {
+            self.programMapTable.video = pid;
+          } else if (streamType === streamTypes.ADTS_STREAM_TYPE && self.programMapTable.audio === null) {
+            self.programMapTable.audio = pid;
+          } else if (streamType === streamTypes.METADATA_STREAM_TYPE) {
+            // map pid to stream type for metadata streams
+            self.programMapTable['timed-metadata'][pid] = streamType;
+          }
+
+          // move to the next table entry
+          // skip past the elementary stream descriptors, if present
+          offset += ((payload[offset + 3] & 0x0F) << 8 | payload[offset + 4]) + 5;
+        }
+
+        // record the map on the packet as well
+        pmt.programMapTable = self.programMapTable;
+      };
+
+      /**
+       * Deliver a new MP2T packet to the next stream in the pipeline.
+       */
+      this.push = function (packet) {
+        var result = {},
+            offset = 4;
+
+        result.payloadUnitStartIndicator = !!(packet[1] & 0x40);
+
+        // pid is a 13-bit field starting at the last bit of packet[1]
+        result.pid = packet[1] & 0x1f;
+        result.pid <<= 8;
+        result.pid |= packet[2];
+
+        // if an adaption field is present, its length is specified by the
+        // fifth byte of the TS packet header. The adaptation field is
+        // used to add stuffing to PES packets that don't fill a complete
+        // TS packet, and to specify some forms of timing and control data
+        // that we do not currently use.
+        if ((packet[3] & 0x30) >>> 4 > 0x01) {
+          offset += packet[offset] + 1;
+        }
+
+        // parse the rest of the packet based on the type
+        if (result.pid === 0) {
+          result.type = 'pat';
+          parsePsi(packet.subarray(offset), result);
+          this.trigger('data', result);
+        } else if (result.pid === this.pmtPid) {
+          result.type = 'pmt';
+          parsePsi(packet.subarray(offset), result);
+          this.trigger('data', result);
+
+          // if there are any packets waiting for a PMT to be found, process them now
+          while (this.packetsWaitingForPmt.length) {
+            this.processPes_.apply(this, this.packetsWaitingForPmt.shift());
+          }
+        } else if (this.programMapTable === undefined) {
+          // When we have not seen a PMT yet, defer further processing of
+          // PES packets until one has been parsed
+          this.packetsWaitingForPmt.push([packet, offset, result]);
+        } else {
+          this.processPes_(packet, offset, result);
+        }
+      };
+
+      this.processPes_ = function (packet, offset, result) {
+        // set the appropriate stream type
+        if (result.pid === this.programMapTable.video) {
+          result.streamType = streamTypes.H264_STREAM_TYPE;
+        } else if (result.pid === this.programMapTable.audio) {
+          result.streamType = streamTypes.ADTS_STREAM_TYPE;
+        } else {
+          // if not video or audio, it is timed-metadata or unknown
+          // if unknown, streamType will be undefined
+          result.streamType = this.programMapTable['timed-metadata'][result.pid];
+        }
+
+        result.type = 'pes';
+        result.data = packet.subarray(offset);
+
+        this.trigger('data', result);
+      };
+    };
+    _TransportParseStream.prototype = new stream();
+    _TransportParseStream.STREAM_TYPES = {
+      h264: 0x1b,
+      adts: 0x0f
+    };
+
+    /**
+     * Reconsistutes program elementary stream (PES) packets from parsed
+     * transport stream packets. That is, if you pipe an
+     * mp2t.TransportParseStream into a mp2t.ElementaryStream, the output
+     * events will be events which capture the bytes for individual PES
+     * packets plus relevant metadata that has been extracted from the
+     * container.
+     */
+    _ElementaryStream = function ElementaryStream() {
+      var self = this,
+
+
+      // PES packet fragments
+      video = {
+        data: [],
+        size: 0
+      },
+          audio = {
+        data: [],
+        size: 0
+      },
+          timedMetadata = {
+        data: [],
+        size: 0
+      },
+          parsePes = function parsePes(payload, pes) {
+        var ptsDtsFlags;
+
+        // get the packet length, this will be 0 for video
+        pes.packetLength = 6 + (payload[4] << 8 | payload[5]);
+
+        // find out if this packets starts a new keyframe
+        pes.dataAlignmentIndicator = (payload[6] & 0x04) !== 0;
+        // PES packets may be annotated with a PTS value, or a PTS value
+        // and a DTS value. Determine what combination of values is
+        // available to work with.
+        ptsDtsFlags = payload[7];
+
+        // PTS and DTS are normally stored as a 33-bit number.  Javascript
+        // performs all bitwise operations on 32-bit integers but javascript
+        // supports a much greater range (52-bits) of integer using standard
+        // mathematical operations.
+        // We construct a 31-bit value using bitwise operators over the 31
+        // most significant bits and then multiply by 4 (equal to a left-shift
+        // of 2) before we add the final 2 least significant bits of the
+        // timestamp (equal to an OR.)
+        if (ptsDtsFlags & 0xC0) {
+          // the PTS and DTS are not written out directly. For information
+          // on how they are encoded, see
+          // http://dvd.sourceforge.net/dvdinfo/pes-hdr.html
+          pes.pts = (payload[9] & 0x0E) << 27 | (payload[10] & 0xFF) << 20 | (payload[11] & 0xFE) << 12 | (payload[12] & 0xFF) << 5 | (payload[13] & 0xFE) >>> 3;
+          pes.pts *= 4; // Left shift by 2
+          pes.pts += (payload[13] & 0x06) >>> 1; // OR by the two LSBs
+          pes.dts = pes.pts;
+          if (ptsDtsFlags & 0x40) {
+            pes.dts = (payload[14] & 0x0E) << 27 | (payload[15] & 0xFF) << 20 | (payload[16] & 0xFE) << 12 | (payload[17] & 0xFF) << 5 | (payload[18] & 0xFE) >>> 3;
+            pes.dts *= 4; // Left shift by 2
+            pes.dts += (payload[18] & 0x06) >>> 1; // OR by the two LSBs
+          }
+        }
+        // the data section starts immediately after the PES header.
+        // pes_header_data_length specifies the number of header bytes
+        // that follow the last byte of the field.
+        pes.data = payload.subarray(9 + payload[8]);
+      },
+
+
+      /**
+        * Pass completely parsed PES packets to the next stream in the pipeline
+       **/
+      flushStream = function flushStream(stream$$1, type, forceFlush) {
+        var packetData = new Uint8Array(stream$$1.size),
+            event = {
+          type: type
+        },
+            i = 0,
+            offset = 0,
+            packetFlushable = false,
+            fragment;
+
+        // do nothing if there is not enough buffered data for a complete
+        // PES header
+        if (!stream$$1.data.length || stream$$1.size < 9) {
+          return;
+        }
+        event.trackId = stream$$1.data[0].pid;
+
+        // reassemble the packet
+        for (i = 0; i < stream$$1.data.length; i++) {
+          fragment = stream$$1.data[i];
+
+          packetData.set(fragment.data, offset);
+          offset += fragment.data.byteLength;
+        }
+
+        // parse assembled packet's PES header
+        parsePes(packetData, event);
+
+        // non-video PES packets MUST have a non-zero PES_packet_length
+        // check that there is enough stream data to fill the packet
+        packetFlushable = type === 'video' || event.packetLength <= stream$$1.size;
+
+        // flush pending packets if the conditions are right
+        if (forceFlush || packetFlushable) {
+          stream$$1.size = 0;
+          stream$$1.data.length = 0;
+        }
+
+        // only emit packets that are complete. this is to avoid assembling
+        // incomplete PES packets due to poor segmentation
+        if (packetFlushable) {
+          self.trigger('data', event);
+        }
+      };
+
+      _ElementaryStream.prototype.init.call(this);
+
+      /**
+       * Identifies M2TS packet types and parses PES packets using metadata
+       * parsed from the PMT
+       **/
+      this.push = function (data) {
+        ({
+          pat: function pat() {
+            // we have to wait for the PMT to arrive as well before we
+            // have any meaningful metadata
+          },
+          pes: function pes() {
+            var stream$$1, streamType;
+
+            switch (data.streamType) {
+              case streamTypes.H264_STREAM_TYPE:
+              case streamTypes.H264_STREAM_TYPE:
+                stream$$1 = video;
+                streamType = 'video';
+                break;
+              case streamTypes.ADTS_STREAM_TYPE:
+                stream$$1 = audio;
+                streamType = 'audio';
+                break;
+              case streamTypes.METADATA_STREAM_TYPE:
+                stream$$1 = timedMetadata;
+                streamType = 'timed-metadata';
+                break;
+              default:
+                // ignore unknown stream types
+                return;
+            }
+
+            // if a new packet is starting, we can flush the completed
+            // packet
+            if (data.payloadUnitStartIndicator) {
+              flushStream(stream$$1, streamType, true);
+            }
+
+            // buffer this fragment until we are sure we've received the
+            // complete payload
+            stream$$1.data.push(data);
+            stream$$1.size += data.data.byteLength;
+          },
+          pmt: function pmt() {
+            var event = {
+              type: 'metadata',
+              tracks: []
+            },
+                programMapTable = data.programMapTable;
+
+            // translate audio and video streams to tracks
+            if (programMapTable.video !== null) {
+              event.tracks.push({
+                timelineStartInfo: {
+                  baseMediaDecodeTime: 0
+                },
+                id: +programMapTable.video,
+                codec: 'avc',
+                type: 'video'
+              });
+            }
+            if (programMapTable.audio !== null) {
+              event.tracks.push({
+                timelineStartInfo: {
+                  baseMediaDecodeTime: 0
+                },
+                id: +programMapTable.audio,
+                codec: 'adts',
+                type: 'audio'
+              });
+            }
+
+            self.trigger('data', event);
+          }
+        })[data.type]();
+      };
+
+      /**
+       * Flush any remaining input. Video PES packets may be of variable
+       * length. Normally, the start of a new video packet can trigger the
+       * finalization of the previous packet. That is not possible if no
+       * more video is forthcoming, however. In that case, some other
+       * mechanism (like the end of the file) has to be employed. When it is
+       * clear that no additional data is forthcoming, calling this method
+       * will flush the buffered packets.
+       */
+      this.flush = function () {
+        // !!THIS ORDER IS IMPORTANT!!
+        // video first then audio
+        flushStream(video, 'video');
+        flushStream(audio, 'audio');
+        flushStream(timedMetadata, 'timed-metadata');
+        this.trigger('done');
+      };
+    };
+    _ElementaryStream.prototype = new stream();
+
+    var m2ts = {
+      PAT_PID: 0x0000,
+      MP2T_PACKET_LENGTH: MP2T_PACKET_LENGTH,
+      TransportPacketStream: _TransportPacketStream,
+      TransportParseStream: _TransportParseStream,
+      ElementaryStream: _ElementaryStream,
+      TimestampRolloverStream: TimestampRolloverStream$1,
+      CaptionStream: captionStream.CaptionStream,
+      Cea608Stream: captionStream.Cea608Stream,
+      MetadataStream: metadataStream
+    };
+
+    for (var type in streamTypes) {
+      if (streamTypes.hasOwnProperty(type)) {
+        m2ts[type] = streamTypes[type];
+      }
+    }
+
+    var m2ts_1 = m2ts;
+
+    var _AdtsStream;
+
+    var ADTS_SAMPLING_FREQUENCIES = [96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350];
+
+    /*
+     * Accepts a ElementaryStream and emits data events with parsed
+     * AAC Audio Frames of the individual packets. Input audio in ADTS
+     * format is unpacked and re-emitted as AAC frames.
+     *
+     * @see http://wiki.multimedia.cx/index.php?title=ADTS
+     * @see http://wiki.multimedia.cx/?title=Understanding_AAC
+     */
+    _AdtsStream = function AdtsStream() {
+      var buffer;
+
+      _AdtsStream.prototype.init.call(this);
+
+      this.push = function (packet) {
+        var i = 0,
+            frameNum = 0,
+            frameLength,
+            protectionSkipBytes,
+            frameEnd,
+            oldBuffer,
+            sampleCount,
+            adtsFrameDuration;
+
+        if (packet.type !== 'audio') {
+          // ignore non-audio data
+          return;
+        }
+
+        // Prepend any data in the buffer to the input data so that we can parse
+        // aac frames the cross a PES packet boundary
+        if (buffer) {
+          oldBuffer = buffer;
+          buffer = new Uint8Array(oldBuffer.byteLength + packet.data.byteLength);
+          buffer.set(oldBuffer);
+          buffer.set(packet.data, oldBuffer.byteLength);
+        } else {
+          buffer = packet.data;
+        }
+
+        // unpack any ADTS frames which have been fully received
+        // for details on the ADTS header, see http://wiki.multimedia.cx/index.php?title=ADTS
+        while (i + 5 < buffer.length) {
+
+          // Loook for the start of an ADTS header..
+          if (buffer[i] !== 0xFF || (buffer[i + 1] & 0xF6) !== 0xF0) {
+            // If a valid header was not found,  jump one forward and attempt to
+            // find a valid ADTS header starting at the next byte
+            i++;
+            continue;
+          }
+
+          // The protection skip bit tells us if we have 2 bytes of CRC data at the
+          // end of the ADTS header
+          protectionSkipBytes = (~buffer[i + 1] & 0x01) * 2;
+
+          // Frame length is a 13 bit integer starting 16 bits from the
+          // end of the sync sequence
+          frameLength = (buffer[i + 3] & 0x03) << 11 | buffer[i + 4] << 3 | (buffer[i + 5] & 0xe0) >> 5;
+
+          sampleCount = ((buffer[i + 6] & 0x03) + 1) * 1024;
+          adtsFrameDuration = sampleCount * 90000 / ADTS_SAMPLING_FREQUENCIES[(buffer[i + 2] & 0x3c) >>> 2];
+
+          frameEnd = i + frameLength;
+
+          // If we don't have enough data to actually finish this ADTS frame, return
+          // and wait for more data
+          if (buffer.byteLength < frameEnd) {
+            return;
+          }
+
+          // Otherwise, deliver the complete AAC frame
+          this.trigger('data', {
+            pts: packet.pts + frameNum * adtsFrameDuration,
+            dts: packet.dts + frameNum * adtsFrameDuration,
+            sampleCount: sampleCount,
+            audioobjecttype: (buffer[i + 2] >>> 6 & 0x03) + 1,
+            channelcount: (buffer[i + 2] & 1) << 2 | (buffer[i + 3] & 0xc0) >>> 6,
+            samplerate: ADTS_SAMPLING_FREQUENCIES[(buffer[i + 2] & 0x3c) >>> 2],
+            samplingfrequencyindex: (buffer[i + 2] & 0x3c) >>> 2,
+            // assume ISO/IEC 14496-12 AudioSampleEntry default of 16
+            samplesize: 16,
+            data: buffer.subarray(i + 7 + protectionSkipBytes, frameEnd)
+          });
+
+          // If the buffer is empty, clear it and return
+          if (buffer.byteLength === frameEnd) {
+            buffer = undefined;
+            return;
+          }
+
+          frameNum++;
+
+          // Remove the finished frame from the buffer and start the process again
+          buffer = buffer.subarray(frameEnd);
+        }
+      };
+      this.flush = function () {
+        this.trigger('done');
+      };
+    };
+
+    _AdtsStream.prototype = new stream();
+
+    var adts = _AdtsStream;
+
+    var ExpGolomb;
+
+    /**
+     * Parser for exponential Golomb codes, a variable-bitwidth number encoding
+     * scheme used by h264.
+     */
+    ExpGolomb = function ExpGolomb(workingData) {
+      var
+      // the number of bytes left to examine in workingData
+      workingBytesAvailable = workingData.byteLength,
+
+
+      // the current word being examined
+      workingWord = 0,
+
+
+      // :uint
+
+      // the number of bits left to examine in the current word
+      workingBitsAvailable = 0; // :uint;
+
+      // ():uint
+      this.length = function () {
+        return 8 * workingBytesAvailable;
+      };
+
+      // ():uint
+      this.bitsAvailable = function () {
+        return 8 * workingBytesAvailable + workingBitsAvailable;
+      };
+
+      // ():void
+      this.loadWord = function () {
+        var position = workingData.byteLength - workingBytesAvailable,
+            workingBytes = new Uint8Array(4),
+            availableBytes = Math.min(4, workingBytesAvailable);
+
+        if (availableBytes === 0) {
+          throw new Error('no bytes available');
+        }
+
+        workingBytes.set(workingData.subarray(position, position + availableBytes));
+        workingWord = new DataView(workingBytes.buffer).getUint32(0);
+
+        // track the amount of workingData that has been processed
+        workingBitsAvailable = availableBytes * 8;
+        workingBytesAvailable -= availableBytes;
+      };
+
+      // (count:int):void
+      this.skipBits = function (count) {
+        var skipBytes; // :int
+        if (workingBitsAvailable > count) {
+          workingWord <<= count;
+          workingBitsAvailable -= count;
+        } else {
+          count -= workingBitsAvailable;
+          skipBytes = Math.floor(count / 8);
+
+          count -= skipBytes * 8;
+          workingBytesAvailable -= skipBytes;
+
+          this.loadWord();
+
+          workingWord <<= count;
+          workingBitsAvailable -= count;
+        }
+      };
+
+      // (size:int):uint
+      this.readBits = function (size) {
+        var bits = Math.min(workingBitsAvailable, size),
+
+
+        // :uint
+        valu = workingWord >>> 32 - bits; // :uint
+        // if size > 31, handle error
+        workingBitsAvailable -= bits;
+        if (workingBitsAvailable > 0) {
+          workingWord <<= bits;
+        } else if (workingBytesAvailable > 0) {
+          this.loadWord();
+        }
+
+        bits = size - bits;
+        if (bits > 0) {
+          return valu << bits | this.readBits(bits);
+        }
+        return valu;
+      };
+
+      // ():uint
+      this.skipLeadingZeros = function () {
+        var leadingZeroCount; // :uint
+        for (leadingZeroCount = 0; leadingZeroCount < workingBitsAvailable; ++leadingZeroCount) {
+          if ((workingWord & 0x80000000 >>> leadingZeroCount) !== 0) {
+            // the first bit of working word is 1
+            workingWord <<= leadingZeroCount;
+            workingBitsAvailable -= leadingZeroCount;
+            return leadingZeroCount;
+          }
+        }
+
+        // we exhausted workingWord and still have not found a 1
+        this.loadWord();
+        return leadingZeroCount + this.skipLeadingZeros();
+      };
+
+      // ():void
+      this.skipUnsignedExpGolomb = function () {
+        this.skipBits(1 + this.skipLeadingZeros());
+      };
+
+      // ():void
+      this.skipExpGolomb = function () {
+        this.skipBits(1 + this.skipLeadingZeros());
+      };
+
+      // ():uint
+      this.readUnsignedExpGolomb = function () {
+        var clz = this.skipLeadingZeros(); // :uint
+        return this.readBits(clz + 1) - 1;
+      };
+
+      // ():int
+      this.readExpGolomb = function () {
+        var valu = this.readUnsignedExpGolomb(); // :int
+        if (0x01 & valu) {
+          // the number is odd if the low order bit is set
+          return 1 + valu >>> 1; // add 1 to make it even, and divide by 2
+        }
+        return -1 * (valu >>> 1); // divide by two then make it negative
+      };
+
+      // Some convenience functions
+      // :Boolean
+      this.readBoolean = function () {
+        return this.readBits(1) === 1;
+      };
+
+      // ():int
+      this.readUnsignedByte = function () {
+        return this.readBits(8);
+      };
+
+      this.loadWord();
+    };
+
+    var expGolomb = ExpGolomb;
+
+    var _H264Stream, _NalByteStream;
+    var PROFILES_WITH_OPTIONAL_SPS_DATA;
+
+    /**
+     * Accepts a NAL unit byte stream and unpacks the embedded NAL units.
+     */
+    _NalByteStream = function NalByteStream() {
+      var syncPoint = 0,
+          i,
+          buffer;
+      _NalByteStream.prototype.init.call(this);
+
+      /*
+       * Scans a byte stream and triggers a data event with the NAL units found.
+       * @param {Object} data Event received from H264Stream
+       * @param {Uint8Array} data.data The h264 byte stream to be scanned
+       *
+       * @see H264Stream.push
+       */
+      this.push = function (data) {
+        var swapBuffer;
+
+        if (!buffer) {
+          buffer = data.data;
+        } else {
+          swapBuffer = new Uint8Array(buffer.byteLength + data.data.byteLength);
+          swapBuffer.set(buffer);
+          swapBuffer.set(data.data, buffer.byteLength);
+          buffer = swapBuffer;
+        }
+
+        // Rec. ITU-T H.264, Annex B
+        // scan for NAL unit boundaries
+
+        // a match looks like this:
+        // 0 0 1 .. NAL .. 0 0 1
+        // ^ sync point        ^ i
+        // or this:
+        // 0 0 1 .. NAL .. 0 0 0
+        // ^ sync point        ^ i
+
+        // advance the sync point to a NAL start, if necessary
+        for (; syncPoint < buffer.byteLength - 3; syncPoint++) {
+          if (buffer[syncPoint + 2] === 1) {
+            // the sync point is properly aligned
+            i = syncPoint + 5;
+            break;
+          }
+        }
+
+        while (i < buffer.byteLength) {
+          // look at the current byte to determine if we've hit the end of
+          // a NAL unit boundary
+          switch (buffer[i]) {
+            case 0:
+              // skip past non-sync sequences
+              if (buffer[i - 1] !== 0) {
+                i += 2;
+                break;
+              } else if (buffer[i - 2] !== 0) {
+                i++;
+                break;
+              }
+
+              // deliver the NAL unit if it isn't empty
+              if (syncPoint + 3 !== i - 2) {
+                this.trigger('data', buffer.subarray(syncPoint + 3, i - 2));
+              }
+
+              // drop trailing zeroes
+              do {
+                i++;
+              } while (buffer[i] !== 1 && i < buffer.length);
+              syncPoint = i - 2;
+              i += 3;
+              break;
+            case 1:
+              // skip past non-sync sequences
+              if (buffer[i - 1] !== 0 || buffer[i - 2] !== 0) {
+                i += 3;
+                break;
+              }
+
+              // deliver the NAL unit
+              this.trigger('data', buffer.subarray(syncPoint + 3, i - 2));
+              syncPoint = i - 2;
+              i += 3;
+              break;
+            default:
+              // the current byte isn't a one or zero, so it cannot be part
+              // of a sync sequence
+              i += 3;
+              break;
+          }
+        }
+        // filter out the NAL units that were delivered
+        buffer = buffer.subarray(syncPoint);
+        i -= syncPoint;
+        syncPoint = 0;
+      };
+
+      this.flush = function () {
+        // deliver the last buffered NAL unit
+        if (buffer && buffer.byteLength > 3) {
+          this.trigger('data', buffer.subarray(syncPoint + 3));
+        }
+        // reset the stream state
+        buffer = null;
+        syncPoint = 0;
+        this.trigger('done');
+      };
+    };
+    _NalByteStream.prototype = new stream();
+
+    // values of profile_idc that indicate additional fields are included in the SPS
+    // see Recommendation ITU-T H.264 (4/2013),
+    // 7.3.2.1.1 Sequence parameter set data syntax
+    PROFILES_WITH_OPTIONAL_SPS_DATA = {
+      100: true,
+      110: true,
+      122: true,
+      244: true,
+      44: true,
+      83: true,
+      86: true,
+      118: true,
+      128: true,
+      138: true,
+      139: true,
+      134: true
+    };
+
+    /**
+     * Accepts input from a ElementaryStream and produces H.264 NAL unit data
+     * events.
+     */
+    _H264Stream = function H264Stream() {
+      var nalByteStream = new _NalByteStream(),
+          self,
+          trackId,
+          currentPts,
+          currentDts,
+          discardEmulationPreventionBytes,
+          readSequenceParameterSet,
+          skipScalingList;
+
+      _H264Stream.prototype.init.call(this);
+      self = this;
+
+      /*
+       * Pushes a packet from a stream onto the NalByteStream
+       *
+       * @param {Object} packet - A packet received from a stream
+       * @param {Uint8Array} packet.data - The raw bytes of the packet
+       * @param {Number} packet.dts - Decode timestamp of the packet
+       * @param {Number} packet.pts - Presentation timestamp of the packet
+       * @param {Number} packet.trackId - The id of the h264 track this packet came from
+       * @param {('video'|'audio')} packet.type - The type of packet
+       *
+       */
+      this.push = function (packet) {
+        if (packet.type !== 'video') {
+          return;
+        }
+        trackId = packet.trackId;
+        currentPts = packet.pts;
+        currentDts = packet.dts;
+
+        nalByteStream.push(packet);
+      };
+
+      /*
+       * Identify NAL unit types and pass on the NALU, trackId, presentation and decode timestamps
+       * for the NALUs to the next stream component.
+       * Also, preprocess caption and sequence parameter NALUs.
+       *
+       * @param {Uint8Array} data - A NAL unit identified by `NalByteStream.push`
+       * @see NalByteStream.push
+       */
+      nalByteStream.on('data', function (data) {
+        var event = {
+          trackId: trackId,
+          pts: currentPts,
+          dts: currentDts,
+          data: data
+        };
+
+        switch (data[0] & 0x1f) {
+          case 0x05:
+            event.nalUnitType = 'slice_layer_without_partitioning_rbsp_idr';
+            break;
+          case 0x06:
+            event.nalUnitType = 'sei_rbsp';
+            event.escapedRBSP = discardEmulationPreventionBytes(data.subarray(1));
+            break;
+          case 0x07:
+            event.nalUnitType = 'seq_parameter_set_rbsp';
+            event.escapedRBSP = discardEmulationPreventionBytes(data.subarray(1));
+            event.config = readSequenceParameterSet(event.escapedRBSP);
+            break;
+          case 0x08:
+            event.nalUnitType = 'pic_parameter_set_rbsp';
+            break;
+          case 0x09:
+            event.nalUnitType = 'access_unit_delimiter_rbsp';
+            break;
+
+          default:
+            break;
+        }
+        // This triggers data on the H264Stream
+        self.trigger('data', event);
+      });
+      nalByteStream.on('done', function () {
+        self.trigger('done');
+      });
+
+      this.flush = function () {
+        nalByteStream.flush();
+      };
+
+      /**
+       * Advance the ExpGolomb decoder past a scaling list. The scaling
+       * list is optionally transmitted as part of a sequence parameter
+       * set and is not relevant to transmuxing.
+       * @param count {number} the number of entries in this scaling list
+       * @param expGolombDecoder {object} an ExpGolomb pointed to the
+       * start of a scaling list
+       * @see Recommendation ITU-T H.264, Section 7.3.2.1.1.1
+       */
+      skipScalingList = function skipScalingList(count, expGolombDecoder) {
+        var lastScale = 8,
+            nextScale = 8,
+            j,
+            deltaScale;
+
+        for (j = 0; j < count; j++) {
+          if (nextScale !== 0) {
+            deltaScale = expGolombDecoder.readExpGolomb();
+            nextScale = (lastScale + deltaScale + 256) % 256;
+          }
+
+          lastScale = nextScale === 0 ? lastScale : nextScale;
+        }
+      };
+
+      /**
+       * Expunge any "Emulation Prevention" bytes from a "Raw Byte
+       * Sequence Payload"
+       * @param data {Uint8Array} the bytes of a RBSP from a NAL
+       * unit
+       * @return {Uint8Array} the RBSP without any Emulation
+       * Prevention Bytes
+       */
+      discardEmulationPreventionBytes = function discardEmulationPreventionBytes(data) {
+        var length = data.byteLength,
+            emulationPreventionBytesPositions = [],
+            i = 1,
+            newLength,
+            newData;
+
+        // Find all `Emulation Prevention Bytes`
+        while (i < length - 2) {
+          if (data[i] === 0 && data[i + 1] === 0 && data[i + 2] === 0x03) {
+            emulationPreventionBytesPositions.push(i + 2);
+            i += 2;
+          } else {
+            i++;
+          }
+        }
+
+        // If no Emulation Prevention Bytes were found just return the original
+        // array
+        if (emulationPreventionBytesPositions.length === 0) {
+          return data;
+        }
+
+        // Create a new array to hold the NAL unit data
+        newLength = length - emulationPreventionBytesPositions.length;
+        newData = new Uint8Array(newLength);
+        var sourceIndex = 0;
+
+        for (i = 0; i < newLength; sourceIndex++, i++) {
+          if (sourceIndex === emulationPreventionBytesPositions[0]) {
+            // Skip this byte
+            sourceIndex++;
+            // Remove this position index
+            emulationPreventionBytesPositions.shift();
+          }
+          newData[i] = data[sourceIndex];
+        }
+
+        return newData;
+      };
+
+      /**
+       * Read a sequence parameter set and return some interesting video
+       * properties. A sequence parameter set is the H264 metadata that
+       * describes the properties of upcoming video frames.
+       * @param data {Uint8Array} the bytes of a sequence parameter set
+       * @return {object} an object with configuration parsed from the
+       * sequence parameter set, including the dimensions of the
+       * associated video frames.
+       */
+      readSequenceParameterSet = function readSequenceParameterSet(data) {
+        var frameCropLeftOffset = 0,
+            frameCropRightOffset = 0,
+            frameCropTopOffset = 0,
+            frameCropBottomOffset = 0,
+            sarScale = 1,
+            expGolombDecoder,
+            profileIdc,
+            levelIdc,
+            profileCompatibility,
+            chromaFormatIdc,
+            picOrderCntType,
+            numRefFramesInPicOrderCntCycle,
+            picWidthInMbsMinus1,
+            picHeightInMapUnitsMinus1,
+            frameMbsOnlyFlag,
+            scalingListCount,
+            sarRatio,
+            aspectRatioIdc,
+            i;
+
+        expGolombDecoder = new expGolomb(data);
+        profileIdc = expGolombDecoder.readUnsignedByte(); // profile_idc
+        profileCompatibility = expGolombDecoder.readUnsignedByte(); // constraint_set[0-5]_flag
+        levelIdc = expGolombDecoder.readUnsignedByte(); // level_idc u(8)
+        expGolombDecoder.skipUnsignedExpGolomb(); // seq_parameter_set_id
+
+        // some profiles have more optional data we don't need
+        if (PROFILES_WITH_OPTIONAL_SPS_DATA[profileIdc]) {
+          chromaFormatIdc = expGolombDecoder.readUnsignedExpGolomb();
+          if (chromaFormatIdc === 3) {
+            expGolombDecoder.skipBits(1); // separate_colour_plane_flag
+          }
+          expGolombDecoder.skipUnsignedExpGolomb(); // bit_depth_luma_minus8
+          expGolombDecoder.skipUnsignedExpGolomb(); // bit_depth_chroma_minus8
+          expGolombDecoder.skipBits(1); // qpprime_y_zero_transform_bypass_flag
+          if (expGolombDecoder.readBoolean()) {
+            // seq_scaling_matrix_present_flag
+            scalingListCount = chromaFormatIdc !== 3 ? 8 : 12;
+            for (i = 0; i < scalingListCount; i++) {
+              if (expGolombDecoder.readBoolean()) {
+                // seq_scaling_list_present_flag[ i ]
+                if (i < 6) {
+                  skipScalingList(16, expGolombDecoder);
+                } else {
+                  skipScalingList(64, expGolombDecoder);
+                }
+              }
+            }
+          }
+        }
+
+        expGolombDecoder.skipUnsignedExpGolomb(); // log2_max_frame_num_minus4
+        picOrderCntType = expGolombDecoder.readUnsignedExpGolomb();
+
+        if (picOrderCntType === 0) {
+          expGolombDecoder.readUnsignedExpGolomb(); // log2_max_pic_order_cnt_lsb_minus4
+        } else if (picOrderCntType === 1) {
+          expGolombDecoder.skipBits(1); // delta_pic_order_always_zero_flag
+          expGolombDecoder.skipExpGolomb(); // offset_for_non_ref_pic
+          expGolombDecoder.skipExpGolomb(); // offset_for_top_to_bottom_field
+          numRefFramesInPicOrderCntCycle = expGolombDecoder.readUnsignedExpGolomb();
+          for (i = 0; i < numRefFramesInPicOrderCntCycle; i++) {
+            expGolombDecoder.skipExpGolomb(); // offset_for_ref_frame[ i ]
+          }
+        }
+
+        expGolombDecoder.skipUnsignedExpGolomb(); // max_num_ref_frames
+        expGolombDecoder.skipBits(1); // gaps_in_frame_num_value_allowed_flag
+
+        picWidthInMbsMinus1 = expGolombDecoder.readUnsignedExpGolomb();
+        picHeightInMapUnitsMinus1 = expGolombDecoder.readUnsignedExpGolomb();
+
+        frameMbsOnlyFlag = expGolombDecoder.readBits(1);
+        if (frameMbsOnlyFlag === 0) {
+          expGolombDecoder.skipBits(1); // mb_adaptive_frame_field_flag
+        }
+
+        expGolombDecoder.skipBits(1); // direct_8x8_inference_flag
+        if (expGolombDecoder.readBoolean()) {
+          // frame_cropping_flag
+          frameCropLeftOffset = expGolombDecoder.readUnsignedExpGolomb();
+          frameCropRightOffset = expGolombDecoder.readUnsignedExpGolomb();
+          frameCropTopOffset = expGolombDecoder.readUnsignedExpGolomb();
+          frameCropBottomOffset = expGolombDecoder.readUnsignedExpGolomb();
+        }
+        if (expGolombDecoder.readBoolean()) {
+          // vui_parameters_present_flag
+          if (expGolombDecoder.readBoolean()) {
+            // aspect_ratio_info_present_flag
+            aspectRatioIdc = expGolombDecoder.readUnsignedByte();
+            switch (aspectRatioIdc) {
+              case 1:
+                sarRatio = [1, 1];break;
+              case 2:
+                sarRatio = [12, 11];break;
+              case 3:
+                sarRatio = [10, 11];break;
+              case 4:
+                sarRatio = [16, 11];break;
+              case 5:
+                sarRatio = [40, 33];break;
+              case 6:
+                sarRatio = [24, 11];break;
+              case 7:
+                sarRatio = [20, 11];break;
+              case 8:
+                sarRatio = [32, 11];break;
+              case 9:
+                sarRatio = [80, 33];break;
+              case 10:
+                sarRatio = [18, 11];break;
+              case 11:
+                sarRatio = [15, 11];break;
+              case 12:
+                sarRatio = [64, 33];break;
+              case 13:
+                sarRatio = [160, 99];break;
+              case 14:
+                sarRatio = [4, 3];break;
+              case 15:
+                sarRatio = [3, 2];break;
+              case 16:
+                sarRatio = [2, 1];break;
+              case 255:
+                {
+                  sarRatio = [expGolombDecoder.readUnsignedByte() << 8 | expGolombDecoder.readUnsignedByte(), expGolombDecoder.readUnsignedByte() << 8 | expGolombDecoder.readUnsignedByte()];
+                  break;
+                }
+            }
+            if (sarRatio) {
+              sarScale = sarRatio[0] / sarRatio[1];
+            }
+          }
+        }
+        return {
+          profileIdc: profileIdc,
+          levelIdc: levelIdc,
+          profileCompatibility: profileCompatibility,
+          width: Math.ceil(((picWidthInMbsMinus1 + 1) * 16 - frameCropLeftOffset * 2 - frameCropRightOffset * 2) * sarScale),
+          height: (2 - frameMbsOnlyFlag) * (picHeightInMapUnitsMinus1 + 1) * 16 - frameCropTopOffset * 2 - frameCropBottomOffset * 2
+        };
+      };
+    };
+    _H264Stream.prototype = new stream();
+
+    var h264 = {
+      H264Stream: _H264Stream,
+      NalByteStream: _NalByteStream
+    };
+
+    // Constants
+    var _AacStream;
+
+    /**
+     * Splits an incoming stream of binary data into ADTS and ID3 Frames.
+     */
+
+    _AacStream = function AacStream() {
+      var everything = new Uint8Array(),
+          timeStamp = 0;
+
+      _AacStream.prototype.init.call(this);
+
+      this.setTimestamp = function (timestamp) {
+        timeStamp = timestamp;
+      };
+
+      this.parseId3TagSize = function (header, byteIndex) {
+        var returnSize = header[byteIndex + 6] << 21 | header[byteIndex + 7] << 14 | header[byteIndex + 8] << 7 | header[byteIndex + 9],
+            flags = header[byteIndex + 5],
+            footerPresent = (flags & 16) >> 4;
+
+        if (footerPresent) {
+          return returnSize + 20;
+        }
+        return returnSize + 10;
+      };
+
+      this.parseAdtsSize = function (header, byteIndex) {
+        var lowThree = (header[byteIndex + 5] & 0xE0) >> 5,
+            middle = header[byteIndex + 4] << 3,
+            highTwo = header[byteIndex + 3] & 0x3 << 11;
+
+        return highTwo | middle | lowThree;
+      };
+
+      this.push = function (bytes) {
+        var frameSize = 0,
+            byteIndex = 0,
+            bytesLeft,
+            chunk,
+            packet,
+            tempLength;
+
+        // If there are bytes remaining from the last segment, prepend them to the
+        // bytes that were pushed in
+        if (everything.length) {
+          tempLength = everything.length;
+          everything = new Uint8Array(bytes.byteLength + tempLength);
+          everything.set(everything.subarray(0, tempLength));
+          everything.set(bytes, tempLength);
+        } else {
+          everything = bytes;
+        }
+
+        while (everything.length - byteIndex >= 3) {
+          if (everything[byteIndex] === 'I'.charCodeAt(0) && everything[byteIndex + 1] === 'D'.charCodeAt(0) && everything[byteIndex + 2] === '3'.charCodeAt(0)) {
+
+            // Exit early because we don't have enough to parse
+            // the ID3 tag header
+            if (everything.length - byteIndex < 10) {
+              break;
+            }
+
+            // check framesize
+            frameSize = this.parseId3TagSize(everything, byteIndex);
+
+            // Exit early if we don't have enough in the buffer
+            // to emit a full packet
+            if (frameSize > everything.length) {
+              break;
+            }
+            chunk = {
+              type: 'timed-metadata',
+              data: everything.subarray(byteIndex, byteIndex + frameSize)
+            };
+            this.trigger('data', chunk);
+            byteIndex += frameSize;
+            continue;
+          } else if (everything[byteIndex] & 0xff === 0xff && (everything[byteIndex + 1] & 0xf0) === 0xf0) {
+
+            // Exit early because we don't have enough to parse
+            // the ADTS frame header
+            if (everything.length - byteIndex < 7) {
+              break;
+            }
+
+            frameSize = this.parseAdtsSize(everything, byteIndex);
+
+            // Exit early if we don't have enough in the buffer
+            // to emit a full packet
+            if (frameSize > everything.length) {
+              break;
+            }
+
+            packet = {
+              type: 'audio',
+              data: everything.subarray(byteIndex, byteIndex + frameSize),
+              pts: timeStamp,
+              dts: timeStamp
+            };
+            this.trigger('data', packet);
+            byteIndex += frameSize;
+            continue;
+          }
+          byteIndex++;
+        }
+        bytesLeft = everything.length - byteIndex;
+
+        if (bytesLeft > 0) {
+          everything = everything.subarray(byteIndex);
+        } else {
+          everything = new Uint8Array();
+        }
+      };
+    };
+
+    _AacStream.prototype = new stream();
+
+    var aac = _AacStream;
+
+    var highPrefix = [33, 16, 5, 32, 164, 27];
+    var lowPrefix = [33, 65, 108, 84, 1, 2, 4, 8, 168, 2, 4, 8, 17, 191, 252];
+    var zeroFill = function zeroFill(count) {
+      var a = [];
+      while (count--) {
+        a.push(0);
+      }
+      return a;
+    };
+
+    var makeTable = function makeTable(metaTable) {
+      return Object.keys(metaTable).reduce(function (obj, key) {
+        obj[key] = new Uint8Array(metaTable[key].reduce(function (arr, part) {
+          return arr.concat(part);
+        }, []));
+        return obj;
+      }, {});
+    };
+
+    // Frames-of-silence to use for filling in missing AAC frames
+    var coneOfSilence = {
+      96000: [highPrefix, [227, 64], zeroFill(154), [56]],
+      88200: [highPrefix, [231], zeroFill(170), [56]],
+      64000: [highPrefix, [248, 192], zeroFill(240), [56]],
+      48000: [highPrefix, [255, 192], zeroFill(268), [55, 148, 128], zeroFill(54), [112]],
+      44100: [highPrefix, [255, 192], zeroFill(268), [55, 163, 128], zeroFill(84), [112]],
+      32000: [highPrefix, [255, 192], zeroFill(268), [55, 234], zeroFill(226), [112]],
+      24000: [highPrefix, [255, 192], zeroFill(268), [55, 255, 128], zeroFill(268), [111, 112], zeroFill(126), [224]],
+      16000: [highPrefix, [255, 192], zeroFill(268), [55, 255, 128], zeroFill(268), [111, 255], zeroFill(269), [223, 108], zeroFill(195), [1, 192]],
+      12000: [lowPrefix, zeroFill(268), [3, 127, 248], zeroFill(268), [6, 255, 240], zeroFill(268), [13, 255, 224], zeroFill(268), [27, 253, 128], zeroFill(259), [56]],
+      11025: [lowPrefix, zeroFill(268), [3, 127, 248], zeroFill(268), [6, 255, 240], zeroFill(268), [13, 255, 224], zeroFill(268), [27, 255, 192], zeroFill(268), [55, 175, 128], zeroFill(108), [112]],
+      8000: [lowPrefix, zeroFill(268), [3, 121, 16], zeroFill(47), [7]]
+    };
+
+    var silence = makeTable(coneOfSilence);
+
+    var ONE_SECOND_IN_TS$1 = 90000,
+
+
+    // 90kHz clock
+    secondsToVideoTs,
+        secondsToAudioTs,
+        videoTsToSeconds,
+        audioTsToSeconds,
+        audioTsToVideoTs,
+        videoTsToAudioTs;
+
+    secondsToVideoTs = function secondsToVideoTs(seconds) {
+      return seconds * ONE_SECOND_IN_TS$1;
+    };
+
+    secondsToAudioTs = function secondsToAudioTs(seconds, sampleRate) {
+      return seconds * sampleRate;
+    };
+
+    videoTsToSeconds = function videoTsToSeconds(timestamp) {
+      return timestamp / ONE_SECOND_IN_TS$1;
+    };
+
+    audioTsToSeconds = function audioTsToSeconds(timestamp, sampleRate) {
+      return timestamp / sampleRate;
+    };
+
+    audioTsToVideoTs = function audioTsToVideoTs(timestamp, sampleRate) {
+      return secondsToVideoTs(audioTsToSeconds(timestamp, sampleRate));
+    };
+
+    videoTsToAudioTs = function videoTsToAudioTs(timestamp, sampleRate) {
+      return secondsToAudioTs(videoTsToSeconds(timestamp), sampleRate);
+    };
+
+    var clock = {
+      secondsToVideoTs: secondsToVideoTs,
+      secondsToAudioTs: secondsToAudioTs,
+      videoTsToSeconds: videoTsToSeconds,
+      audioTsToSeconds: audioTsToSeconds,
+      audioTsToVideoTs: audioTsToVideoTs,
+      videoTsToAudioTs: videoTsToAudioTs
+    };
+
+    var H264Stream = h264.H264Stream;
+
+    // constants
+    var AUDIO_PROPERTIES = ['audioobjecttype', 'channelcount', 'samplerate', 'samplingfrequencyindex', 'samplesize'];
+
+    var VIDEO_PROPERTIES = ['width', 'height', 'profileIdc', 'levelIdc', 'profileCompatibility'];
+
+    var ONE_SECOND_IN_TS$2 = 90000; // 90kHz clock
+
+    // object types
+    var _VideoSegmentStream, _AudioSegmentStream, _Transmuxer, _CoalesceStream;
+
+    // Helper functions
+    var isLikelyAacData, arrayEquals, sumFrameByteLengths;
+
+    isLikelyAacData = function isLikelyAacData(data) {
+      if (data[0] === 'I'.charCodeAt(0) && data[1] === 'D'.charCodeAt(0) && data[2] === '3'.charCodeAt(0)) {
+        return true;
+      }
+      return false;
+    };
+
+    /**
+     * Compare two arrays (even typed) for same-ness
+     */
+    arrayEquals = function arrayEquals(a, b) {
+      var i;
+
+      if (a.length !== b.length) {
+        return false;
+      }
+
+      // compare the value of each element in the array
+      for (i = 0; i < a.length; i++) {
+        if (a[i] !== b[i]) {
+          return false;
+        }
+      }
+
+      return true;
+    };
+
+    /**
+     * Sum the `byteLength` properties of the data in each AAC frame
+     */
+    sumFrameByteLengths = function sumFrameByteLengths(array) {
+      var i,
+          currentObj,
+          sum = 0;
+
+      // sum the byteLength's all each nal unit in the frame
+      for (i = 0; i < array.length; i++) {
+        currentObj = array[i];
+        sum += currentObj.data.byteLength;
+      }
+
+      return sum;
+    };
+
+    /**
+     * Constructs a single-track, ISO BMFF media segment from AAC data
+     * events. The output of this stream can be fed to a SourceBuffer
+     * configured with a suitable initialization segment.
+     * @param track {object} track metadata configuration
+     * @param options {object} transmuxer options object
+     * @param options.keepOriginalTimestamps {boolean} If true, keep the timestamps
+     *        in the source; false to adjust the first segment to start at 0.
+     */
+    _AudioSegmentStream = function AudioSegmentStream(track, options) {
+      var adtsFrames = [],
+          sequenceNumber = 0,
+          earliestAllowedDts = 0,
+          audioAppendStartTs = 0,
+          videoBaseMediaDecodeTime = Infinity;
+
+      options = options || {};
+
+      _AudioSegmentStream.prototype.init.call(this);
+
+      this.push = function (data) {
+        trackDecodeInfo.collectDtsInfo(track, data);
+
+        if (track) {
+          AUDIO_PROPERTIES.forEach(function (prop) {
+            track[prop] = data[prop];
+          });
+        }
+
+        // buffer audio data until end() is called
+        adtsFrames.push(data);
+      };
+
+      this.setEarliestDts = function (earliestDts) {
+        earliestAllowedDts = earliestDts - track.timelineStartInfo.baseMediaDecodeTime;
+      };
+
+      this.setVideoBaseMediaDecodeTime = function (baseMediaDecodeTime) {
+        videoBaseMediaDecodeTime = baseMediaDecodeTime;
+      };
+
+      this.setAudioAppendStart = function (timestamp) {
+        audioAppendStartTs = timestamp;
+      };
+
+      this.flush = function () {
+        var frames, moof, mdat, boxes;
+
+        // return early if no audio data has been observed
+        if (adtsFrames.length === 0) {
+          this.trigger('done', 'AudioSegmentStream');
+          return;
+        }
+
+        frames = this.trimAdtsFramesByEarliestDts_(adtsFrames);
+        track.baseMediaDecodeTime = trackDecodeInfo.calculateTrackBaseMediaDecodeTime(track, options.keepOriginalTimestamps);
+
+        this.prefixWithSilence_(track, frames);
+
+        // we have to build the index from byte locations to
+        // samples (that is, adts frames) in the audio data
+        track.samples = this.generateSampleTable_(frames);
+
+        // concatenate the audio data to constuct the mdat
+        mdat = mp4Generator.mdat(this.concatenateFrameData_(frames));
+
+        adtsFrames = [];
+
+        moof = mp4Generator.moof(sequenceNumber, [track]);
+        boxes = new Uint8Array(moof.byteLength + mdat.byteLength);
+
+        // bump the sequence number for next time
+        sequenceNumber++;
+
+        boxes.set(moof);
+        boxes.set(mdat, moof.byteLength);
+
+        trackDecodeInfo.clearDtsInfo(track);
+
+        this.trigger('data', { track: track, boxes: boxes });
+        this.trigger('done', 'AudioSegmentStream');
+      };
+
+      // Possibly pad (prefix) the audio track with silence if appending this track
+      // would lead to the introduction of a gap in the audio buffer
+      this.prefixWithSilence_ = function (track, frames) {
+        var baseMediaDecodeTimeTs,
+            frameDuration = 0,
+            audioGapDuration = 0,
+            audioFillFrameCount = 0,
+            audioFillDuration = 0,
+            silentFrame,
+            i;
+
+        if (!frames.length) {
+          return;
+        }
+
+        baseMediaDecodeTimeTs = clock.audioTsToVideoTs(track.baseMediaDecodeTime, track.samplerate);
+        // determine frame clock duration based on sample rate, round up to avoid overfills
+        frameDuration = Math.ceil(ONE_SECOND_IN_TS$2 / (track.samplerate / 1024));
+
+        if (audioAppendStartTs && videoBaseMediaDecodeTime) {
+          // insert the shortest possible amount (audio gap or audio to video gap)
+          audioGapDuration = baseMediaDecodeTimeTs - Math.max(audioAppendStartTs, videoBaseMediaDecodeTime);
+          // number of full frames in the audio gap
+          audioFillFrameCount = Math.floor(audioGapDuration / frameDuration);
+          audioFillDuration = audioFillFrameCount * frameDuration;
+        }
+
+        // don't attempt to fill gaps smaller than a single frame or larger
+        // than a half second
+        if (audioFillFrameCount < 1 || audioFillDuration > ONE_SECOND_IN_TS$2 / 2) {
+          return;
+        }
+
+        silentFrame = silence[track.samplerate];
+
+        if (!silentFrame) {
+          // we don't have a silent frame pregenerated for the sample rate, so use a frame
+          // from the content instead
+          silentFrame = frames[0].data;
+        }
+
+        for (i = 0; i < audioFillFrameCount; i++) {
+          frames.splice(i, 0, {
+            data: silentFrame
+          });
+        }
+
+        track.baseMediaDecodeTime -= Math.floor(clock.videoTsToAudioTs(audioFillDuration, track.samplerate));
+      };
+
+      // If the audio segment extends before the earliest allowed dts
+      // value, remove AAC frames until starts at or after the earliest
+      // allowed DTS so that we don't end up with a negative baseMedia-
+      // DecodeTime for the audio track
+      this.trimAdtsFramesByEarliestDts_ = function (adtsFrames) {
+        if (track.minSegmentDts >= earliestAllowedDts) {
+          return adtsFrames;
+        }
+
+        // We will need to recalculate the earliest segment Dts
+        track.minSegmentDts = Infinity;
+
+        return adtsFrames.filter(function (currentFrame) {
+          // If this is an allowed frame, keep it and record it's Dts
+          if (currentFrame.dts >= earliestAllowedDts) {
+            track.minSegmentDts = Math.min(track.minSegmentDts, currentFrame.dts);
+            track.minSegmentPts = track.minSegmentDts;
+            return true;
+          }
+          // Otherwise, discard it
+          return false;
+        });
+      };
+
+      // generate the track's raw mdat data from an array of frames
+      this.generateSampleTable_ = function (frames) {
+        var i,
+            currentFrame,
+            samples = [];
+
+        for (i = 0; i < frames.length; i++) {
+          currentFrame = frames[i];
+          samples.push({
+            size: currentFrame.data.byteLength,
+            duration: 1024 // For AAC audio, all samples contain 1024 samples
+          });
+        }
+        return samples;
+      };
+
+      // generate the track's sample table from an array of frames
+      this.concatenateFrameData_ = function (frames) {
+        var i,
+            currentFrame,
+            dataOffset = 0,
+            data = new Uint8Array(sumFrameByteLengths(frames));
+
+        for (i = 0; i < frames.length; i++) {
+          currentFrame = frames[i];
+
+          data.set(currentFrame.data, dataOffset);
+          dataOffset += currentFrame.data.byteLength;
+        }
+        return data;
+      };
+    };
+
+    _AudioSegmentStream.prototype = new stream();
+
+    /**
+     * Constructs a single-track, ISO BMFF media segment from H264 data
+     * events. The output of this stream can be fed to a SourceBuffer
+     * configured with a suitable initialization segment.
+     * @param track {object} track metadata configuration
+     * @param options {object} transmuxer options object
+     * @param options.alignGopsAtEnd {boolean} If true, start from the end of the
+     *        gopsToAlignWith list when attempting to align gop pts
+     * @param options.keepOriginalTimestamps {boolean} If true, keep the timestamps
+     *        in the source; false to adjust the first segment to start at 0.
+     */
+    _VideoSegmentStream = function VideoSegmentStream(track, options) {
+      var sequenceNumber = 0,
+          nalUnits = [],
+          gopsToAlignWith = [],
+          config,
+          pps;
+
+      options = options || {};
+
+      _VideoSegmentStream.prototype.init.call(this);
+
+      delete track.minPTS;
+
+      this.gopCache_ = [];
+
+      /**
+        * Constructs a ISO BMFF segment given H264 nalUnits
+        * @param {Object} nalUnit A data event representing a nalUnit
+        * @param {String} nalUnit.nalUnitType
+        * @param {Object} nalUnit.config Properties for a mp4 track
+        * @param {Uint8Array} nalUnit.data The nalUnit bytes
+        * @see lib/codecs/h264.js
+       **/
+      this.push = function (nalUnit) {
+        trackDecodeInfo.collectDtsInfo(track, nalUnit);
+
+        // record the track config
+        if (nalUnit.nalUnitType === 'seq_parameter_set_rbsp' && !config) {
+          config = nalUnit.config;
+          track.sps = [nalUnit.data];
+
+          VIDEO_PROPERTIES.forEach(function (prop) {
+            track[prop] = config[prop];
+          }, this);
+        }
+
+        if (nalUnit.nalUnitType === 'pic_parameter_set_rbsp' && !pps) {
+          pps = nalUnit.data;
+          track.pps = [nalUnit.data];
+        }
+
+        // buffer video until flush() is called
+        nalUnits.push(nalUnit);
+      };
+
+      /**
+        * Pass constructed ISO BMFF track and boxes on to the
+        * next stream in the pipeline
+       **/
+      this.flush = function () {
+        var frames, gopForFusion, gops, moof, mdat, boxes;
+
+        // Throw away nalUnits at the start of the byte stream until
+        // we find the first AUD
+        while (nalUnits.length) {
+          if (nalUnits[0].nalUnitType === 'access_unit_delimiter_rbsp') {
+            break;
+          }
+          nalUnits.shift();
+        }
+
+        // Return early if no video data has been observed
+        if (nalUnits.length === 0) {
+          this.resetStream_();
+          this.trigger('done', 'VideoSegmentStream');
+          return;
+        }
+
+        // Organize the raw nal-units into arrays that represent
+        // higher-level constructs such as frames and gops
+        // (group-of-pictures)
+        frames = frameUtils.groupNalsIntoFrames(nalUnits);
+        gops = frameUtils.groupFramesIntoGops(frames);
+
+        // If the first frame of this fragment is not a keyframe we have
+        // a problem since MSE (on Chrome) requires a leading keyframe.
+        //
+        // We have two approaches to repairing this situation:
+        // 1) GOP-FUSION:
+        //    This is where we keep track of the GOPS (group-of-pictures)
+        //    from previous fragments and attempt to find one that we can
+        //    prepend to the current fragment in order to create a valid
+        //    fragment.
+        // 2) KEYFRAME-PULLING:
+        //    Here we search for the first keyframe in the fragment and
+        //    throw away all the frames between the start of the fragment
+        //    and that keyframe. We then extend the duration and pull the
+        //    PTS of the keyframe forward so that it covers the time range
+        //    of the frames that were disposed of.
+        //
+        // #1 is far prefereable over #2 which can cause "stuttering" but
+        // requires more things to be just right.
+        if (!gops[0][0].keyFrame) {
+          // Search for a gop for fusion from our gopCache
+          gopForFusion = this.getGopForFusion_(nalUnits[0], track);
+
+          if (gopForFusion) {
+            gops.unshift(gopForFusion);
+            // Adjust Gops' metadata to account for the inclusion of the
+            // new gop at the beginning
+            gops.byteLength += gopForFusion.byteLength;
+            gops.nalCount += gopForFusion.nalCount;
+            gops.pts = gopForFusion.pts;
+            gops.dts = gopForFusion.dts;
+            gops.duration += gopForFusion.duration;
+          } else {
+            // If we didn't find a candidate gop fall back to keyframe-pulling
+            gops = frameUtils.extendFirstKeyFrame(gops);
+          }
+        }
+
+        // Trim gops to align with gopsToAlignWith
+        if (gopsToAlignWith.length) {
+          var alignedGops;
+
+          if (options.alignGopsAtEnd) {
+            alignedGops = this.alignGopsAtEnd_(gops);
+          } else {
+            alignedGops = this.alignGopsAtStart_(gops);
+          }
+
+          if (!alignedGops) {
+            // save all the nals in the last GOP into the gop cache
+            this.gopCache_.unshift({
+              gop: gops.pop(),
+              pps: track.pps,
+              sps: track.sps
+            });
+
+            // Keep a maximum of 6 GOPs in the cache
+            this.gopCache_.length = Math.min(6, this.gopCache_.length);
+
+            // Clear nalUnits
+            nalUnits = [];
+
+            // return early no gops can be aligned with desired gopsToAlignWith
+            this.resetStream_();
+            this.trigger('done', 'VideoSegmentStream');
+            return;
+          }
+
+          // Some gops were trimmed. clear dts info so minSegmentDts and pts are correct
+          // when recalculated before sending off to CoalesceStream
+          trackDecodeInfo.clearDtsInfo(track);
+
+          gops = alignedGops;
+        }
+
+        trackDecodeInfo.collectDtsInfo(track, gops);
+
+        // First, we have to build the index from byte locations to
+        // samples (that is, frames) in the video data
+        track.samples = frameUtils.generateSampleTable(gops);
+
+        // Concatenate the video data and construct the mdat
+        mdat = mp4Generator.mdat(frameUtils.concatenateNalData(gops));
+
+        track.baseMediaDecodeTime = trackDecodeInfo.calculateTrackBaseMediaDecodeTime(track, options.keepOriginalTimestamps);
+
+        this.trigger('processedGopsInfo', gops.map(function (gop) {
+          return {
+            pts: gop.pts,
+            dts: gop.dts,
+            byteLength: gop.byteLength
+          };
+        }));
+
+        // save all the nals in the last GOP into the gop cache
+        this.gopCache_.unshift({
+          gop: gops.pop(),
+          pps: track.pps,
+          sps: track.sps
+        });
+
+        // Keep a maximum of 6 GOPs in the cache
+        this.gopCache_.length = Math.min(6, this.gopCache_.length);
+
+        // Clear nalUnits
+        nalUnits = [];
+
+        this.trigger('baseMediaDecodeTime', track.baseMediaDecodeTime);
+        this.trigger('timelineStartInfo', track.timelineStartInfo);
+
+        moof = mp4Generator.moof(sequenceNumber, [track]);
+
+        // it would be great to allocate this array up front instead of
+        // throwing away hundreds of media segment fragments
+        boxes = new Uint8Array(moof.byteLength + mdat.byteLength);
+
+        // Bump the sequence number for next time
+        sequenceNumber++;
+
+        boxes.set(moof);
+        boxes.set(mdat, moof.byteLength);
+
+        this.trigger('data', { track: track, boxes: boxes });
+
+        this.resetStream_();
+
+        // Continue with the flush process now
+        this.trigger('done', 'VideoSegmentStream');
+      };
+
+      this.resetStream_ = function () {
+        trackDecodeInfo.clearDtsInfo(track);
+
+        // reset config and pps because they may differ across segments
+        // for instance, when we are rendition switching
+        config = undefined;
+        pps = undefined;
+      };
+
+      // Search for a candidate Gop for gop-fusion from the gop cache and
+      // return it or return null if no good candidate was found
+      this.getGopForFusion_ = function (nalUnit) {
+        var halfSecond = 45000,
+
+
+        // Half-a-second in a 90khz clock
+        allowableOverlap = 10000,
+
+
+        // About 3 frames @ 30fps
+        nearestDistance = Infinity,
+            dtsDistance,
+            nearestGopObj,
+            currentGop,
+            currentGopObj,
+            i;
+
+        // Search for the GOP nearest to the beginning of this nal unit
+        for (i = 0; i < this.gopCache_.length; i++) {
+          currentGopObj = this.gopCache_[i];
+          currentGop = currentGopObj.gop;
+
+          // Reject Gops with different SPS or PPS
+          if (!(track.pps && arrayEquals(track.pps[0], currentGopObj.pps[0])) || !(track.sps && arrayEquals(track.sps[0], currentGopObj.sps[0]))) {
+            continue;
+          }
+
+          // Reject Gops that would require a negative baseMediaDecodeTime
+          if (currentGop.dts < track.timelineStartInfo.dts) {
+            continue;
+          }
+
+          // The distance between the end of the gop and the start of the nalUnit
+          dtsDistance = nalUnit.dts - currentGop.dts - currentGop.duration;
+
+          // Only consider GOPS that start before the nal unit and end within
+          // a half-second of the nal unit
+          if (dtsDistance >= -allowableOverlap && dtsDistance <= halfSecond) {
+
+            // Always use the closest GOP we found if there is more than
+            // one candidate
+            if (!nearestGopObj || nearestDistance > dtsDistance) {
+              nearestGopObj = currentGopObj;
+              nearestDistance = dtsDistance;
+            }
+          }
+        }
+
+        if (nearestGopObj) {
+          return nearestGopObj.gop;
+        }
+        return null;
+      };
+
+      // trim gop list to the first gop found that has a matching pts with a gop in the list
+      // of gopsToAlignWith starting from the START of the list
+      this.alignGopsAtStart_ = function (gops) {
+        var alignIndex, gopIndex, align, gop, byteLength, nalCount, duration, alignedGops;
+
+        byteLength = gops.byteLength;
+        nalCount = gops.nalCount;
+        duration = gops.duration;
+        alignIndex = gopIndex = 0;
+
+        while (alignIndex < gopsToAlignWith.length && gopIndex < gops.length) {
+          align = gopsToAlignWith[alignIndex];
+          gop = gops[gopIndex];
+
+          if (align.pts === gop.pts) {
+            break;
+          }
+
+          if (gop.pts > align.pts) {
+            // this current gop starts after the current gop we want to align on, so increment
+            // align index
+            alignIndex++;
+            continue;
+          }
+
+          // current gop starts before the current gop we want to align on. so increment gop
+          // index
+          gopIndex++;
+          byteLength -= gop.byteLength;
+          nalCount -= gop.nalCount;
+          duration -= gop.duration;
+        }
+
+        if (gopIndex === 0) {
+          // no gops to trim
+          return gops;
+        }
+
+        if (gopIndex === gops.length) {
+          // all gops trimmed, skip appending all gops
+          return null;
+        }
+
+        alignedGops = gops.slice(gopIndex);
+        alignedGops.byteLength = byteLength;
+        alignedGops.duration = duration;
+        alignedGops.nalCount = nalCount;
+        alignedGops.pts = alignedGops[0].pts;
+        alignedGops.dts = alignedGops[0].dts;
+
+        return alignedGops;
+      };
+
+      // trim gop list to the first gop found that has a matching pts with a gop in the list
+      // of gopsToAlignWith starting from the END of the list
+      this.alignGopsAtEnd_ = function (gops) {
+        var alignIndex, gopIndex, align, gop, alignEndIndex, matchFound;
+
+        alignIndex = gopsToAlignWith.length - 1;
+        gopIndex = gops.length - 1;
+        alignEndIndex = null;
+        matchFound = false;
+
+        while (alignIndex >= 0 && gopIndex >= 0) {
+          align = gopsToAlignWith[alignIndex];
+          gop = gops[gopIndex];
+
+          if (align.pts === gop.pts) {
+            matchFound = true;
+            break;
+          }
+
+          if (align.pts > gop.pts) {
+            alignIndex--;
+            continue;
+          }
+
+          if (alignIndex === gopsToAlignWith.length - 1) {
+            // gop.pts is greater than the last alignment candidate. If no match is found
+            // by the end of this loop, we still want to append gops that come after this
+            // point
+            alignEndIndex = gopIndex;
+          }
+
+          gopIndex--;
+        }
+
+        if (!matchFound && alignEndIndex === null) {
+          return null;
+        }
+
+        var trimIndex;
+
+        if (matchFound) {
+          trimIndex = gopIndex;
+        } else {
+          trimIndex = alignEndIndex;
+        }
+
+        if (trimIndex === 0) {
+          return gops;
+        }
+
+        var alignedGops = gops.slice(trimIndex);
+        var metadata = alignedGops.reduce(function (total, gop) {
+          total.byteLength += gop.byteLength;
+          total.duration += gop.duration;
+          total.nalCount += gop.nalCount;
+          return total;
+        }, { byteLength: 0, duration: 0, nalCount: 0 });
+
+        alignedGops.byteLength = metadata.byteLength;
+        alignedGops.duration = metadata.duration;
+        alignedGops.nalCount = metadata.nalCount;
+        alignedGops.pts = alignedGops[0].pts;
+        alignedGops.dts = alignedGops[0].dts;
+
+        return alignedGops;
+      };
+
+      this.alignGopsWith = function (newGopsToAlignWith) {
+        gopsToAlignWith = newGopsToAlignWith;
+      };
+    };
+
+    _VideoSegmentStream.prototype = new stream();
+
+    /**
+     * A Stream that can combine multiple streams (ie. audio & video)
+     * into a single output segment for MSE. Also supports audio-only
+     * and video-only streams.
+     */
+    _CoalesceStream = function CoalesceStream(options, metadataStream) {
+      // Number of Tracks per output segment
+      // If greater than 1, we combine multiple
+      // tracks into a single segment
+      this.numberOfTracks = 0;
+      this.metadataStream = metadataStream;
+
+      if (typeof options.remux !== 'undefined') {
+        this.remuxTracks = !!options.remux;
+      } else {
+        this.remuxTracks = true;
+      }
+
+      this.pendingTracks = [];
+      this.videoTrack = null;
+      this.pendingBoxes = [];
+      this.pendingCaptions = [];
+      this.pendingMetadata = [];
+      this.pendingBytes = 0;
+      this.emittedTracks = 0;
+
+      _CoalesceStream.prototype.init.call(this);
+
+      // Take output from multiple
+      this.push = function (output) {
+        // buffer incoming captions until the associated video segment
+        // finishes
+        if (output.text) {
+          return this.pendingCaptions.push(output);
+        }
+        // buffer incoming id3 tags until the final flush
+        if (output.frames) {
+          return this.pendingMetadata.push(output);
+        }
+
+        // Add this track to the list of pending tracks and store
+        // important information required for the construction of
+        // the final segment
+        this.pendingTracks.push(output.track);
+        this.pendingBoxes.push(output.boxes);
+        this.pendingBytes += output.boxes.byteLength;
+
+        if (output.track.type === 'video') {
+          this.videoTrack = output.track;
+        }
+        if (output.track.type === 'audio') {
+          this.audioTrack = output.track;
+        }
+      };
+    };
+
+    _CoalesceStream.prototype = new stream();
+    _CoalesceStream.prototype.flush = function (flushSource) {
+      var offset = 0,
+          event = {
+        captions: [],
+        captionStreams: {},
+        metadata: [],
+        info: {}
+      },
+          caption,
+          id3,
+          initSegment,
+          timelineStartPts = 0,
+          i;
+
+      if (this.pendingTracks.length < this.numberOfTracks) {
+        if (flushSource !== 'VideoSegmentStream' && flushSource !== 'AudioSegmentStream') {
+          // Return because we haven't received a flush from a data-generating
+          // portion of the segment (meaning that we have only recieved meta-data
+          // or captions.)
+          return;
+        } else if (this.remuxTracks) {
+          // Return until we have enough tracks from the pipeline to remux (if we
+          // are remuxing audio and video into a single MP4)
+          return;
+        } else if (this.pendingTracks.length === 0) {
+          // In the case where we receive a flush without any data having been
+          // received we consider it an emitted track for the purposes of coalescing
+          // `done` events.
+          // We do this for the case where there is an audio and video track in the
+          // segment but no audio data. (seen in several playlists with alternate
+          // audio tracks and no audio present in the main TS segments.)
+          this.emittedTracks++;
+
+          if (this.emittedTracks >= this.numberOfTracks) {
+            this.trigger('done');
+            this.emittedTracks = 0;
+          }
+          return;
+        }
+      }
+
+      if (this.videoTrack) {
+        timelineStartPts = this.videoTrack.timelineStartInfo.pts;
+        VIDEO_PROPERTIES.forEach(function (prop) {
+          event.info[prop] = this.videoTrack[prop];
+        }, this);
+      } else if (this.audioTrack) {
+        timelineStartPts = this.audioTrack.timelineStartInfo.pts;
+        AUDIO_PROPERTIES.forEach(function (prop) {
+          event.info[prop] = this.audioTrack[prop];
+        }, this);
+      }
+
+      if (this.pendingTracks.length === 1) {
+        event.type = this.pendingTracks[0].type;
+      } else {
+        event.type = 'combined';
+      }
+
+      this.emittedTracks += this.pendingTracks.length;
+
+      initSegment = mp4Generator.initSegment(this.pendingTracks);
+
+      // Create a new typed array to hold the init segment
+      event.initSegment = new Uint8Array(initSegment.byteLength);
+
+      // Create an init segment containing a moov
+      // and track definitions
+      event.initSegment.set(initSegment);
+
+      // Create a new typed array to hold the moof+mdats
+      event.data = new Uint8Array(this.pendingBytes);
+
+      // Append each moof+mdat (one per track) together
+      for (i = 0; i < this.pendingBoxes.length; i++) {
+        event.data.set(this.pendingBoxes[i], offset);
+        offset += this.pendingBoxes[i].byteLength;
+      }
+
+      // Translate caption PTS times into second offsets into the
+      // video timeline for the segment, and add track info
+      for (i = 0; i < this.pendingCaptions.length; i++) {
+        caption = this.pendingCaptions[i];
+        caption.startTime = caption.startPts - timelineStartPts;
+        caption.startTime /= 90e3;
+        caption.endTime = caption.endPts - timelineStartPts;
+        caption.endTime /= 90e3;
+        event.captionStreams[caption.stream] = true;
+        event.captions.push(caption);
+      }
+
+      // Translate ID3 frame PTS times into second offsets into the
+      // video timeline for the segment
+      for (i = 0; i < this.pendingMetadata.length; i++) {
+        id3 = this.pendingMetadata[i];
+        id3.cueTime = id3.pts - timelineStartPts;
+        id3.cueTime /= 90e3;
+        event.metadata.push(id3);
+      }
+      // We add this to every single emitted segment even though we only need
+      // it for the first
+      event.metadata.dispatchType = this.metadataStream.dispatchType;
+
+      // Reset stream state
+      this.pendingTracks.length = 0;
+      this.videoTrack = null;
+      this.pendingBoxes.length = 0;
+      this.pendingCaptions.length = 0;
+      this.pendingBytes = 0;
+      this.pendingMetadata.length = 0;
+
+      // Emit the built segment
+      this.trigger('data', event);
+
+      // Only emit `done` if all tracks have been flushed and emitted
+      if (this.emittedTracks >= this.numberOfTracks) {
+        this.trigger('done');
+        this.emittedTracks = 0;
+      }
+    };
+    /**
+     * A Stream that expects MP2T binary data as input and produces
+     * corresponding media segments, suitable for use with Media Source
+     * Extension (MSE) implementations that support the ISO BMFF byte
+     * stream format, like Chrome.
+     */
+    _Transmuxer = function Transmuxer(options) {
+      var self = this,
+          hasFlushed = true,
+          videoTrack,
+          audioTrack;
+
+      _Transmuxer.prototype.init.call(this);
+
+      options = options || {};
+      this.baseMediaDecodeTime = options.baseMediaDecodeTime || 0;
+      this.transmuxPipeline_ = {};
+
+      this.setupAacPipeline = function () {
+        var pipeline = {};
+        this.transmuxPipeline_ = pipeline;
+
+        pipeline.type = 'aac';
+        pipeline.metadataStream = new m2ts_1.MetadataStream();
+
+        // set up the parsing pipeline
+        pipeline.aacStream = new aac();
+        pipeline.audioTimestampRolloverStream = new m2ts_1.TimestampRolloverStream('audio');
+        pipeline.timedMetadataTimestampRolloverStream = new m2ts_1.TimestampRolloverStream('timed-metadata');
+        pipeline.adtsStream = new adts();
+        pipeline.coalesceStream = new _CoalesceStream(options, pipeline.metadataStream);
+        pipeline.headOfPipeline = pipeline.aacStream;
+
+        pipeline.aacStream.pipe(pipeline.audioTimestampRolloverStream).pipe(pipeline.adtsStream);
+        pipeline.aacStream.pipe(pipeline.timedMetadataTimestampRolloverStream).pipe(pipeline.metadataStream).pipe(pipeline.coalesceStream);
+
+        pipeline.metadataStream.on('timestamp', function (frame) {
+          pipeline.aacStream.setTimestamp(frame.timeStamp);
+        });
+
+        pipeline.aacStream.on('data', function (data) {
+          if (data.type === 'timed-metadata' && !pipeline.audioSegmentStream) {
+            audioTrack = audioTrack || {
+              timelineStartInfo: {
+                baseMediaDecodeTime: self.baseMediaDecodeTime
+              },
+              codec: 'adts',
+              type: 'audio'
+            };
+            // hook up the audio segment stream to the first track with aac data
+            pipeline.coalesceStream.numberOfTracks++;
+            pipeline.audioSegmentStream = new _AudioSegmentStream(audioTrack, options);
+            // Set up the final part of the audio pipeline
+            pipeline.adtsStream.pipe(pipeline.audioSegmentStream).pipe(pipeline.coalesceStream);
+          }
+        });
+
+        // Re-emit any data coming from the coalesce stream to the outside world
+        pipeline.coalesceStream.on('data', this.trigger.bind(this, 'data'));
+        // Let the consumer know we have finished flushing the entire pipeline
+        pipeline.coalesceStream.on('done', this.trigger.bind(this, 'done'));
+      };
+
+      this.setupTsPipeline = function () {
+        var pipeline = {};
+        this.transmuxPipeline_ = pipeline;
+
+        pipeline.type = 'ts';
+        pipeline.metadataStream = new m2ts_1.MetadataStream();
+
+        // set up the parsing pipeline
+        pipeline.packetStream = new m2ts_1.TransportPacketStream();
+        pipeline.parseStream = new m2ts_1.TransportParseStream();
+        pipeline.elementaryStream = new m2ts_1.ElementaryStream();
+        pipeline.videoTimestampRolloverStream = new m2ts_1.TimestampRolloverStream('video');
+        pipeline.audioTimestampRolloverStream = new m2ts_1.TimestampRolloverStream('audio');
+        pipeline.timedMetadataTimestampRolloverStream = new m2ts_1.TimestampRolloverStream('timed-metadata');
+        pipeline.adtsStream = new adts();
+        pipeline.h264Stream = new H264Stream();
+        pipeline.captionStream = new m2ts_1.CaptionStream();
+        pipeline.coalesceStream = new _CoalesceStream(options, pipeline.metadataStream);
+        pipeline.headOfPipeline = pipeline.packetStream;
+
+        // disassemble MPEG2-TS packets into elementary streams
+        pipeline.packetStream.pipe(pipeline.parseStream).pipe(pipeline.elementaryStream);
+
+        // !!THIS ORDER IS IMPORTANT!!
+        // demux the streams
+        pipeline.elementaryStream.pipe(pipeline.videoTimestampRolloverStream).pipe(pipeline.h264Stream);
+        pipeline.elementaryStream.pipe(pipeline.audioTimestampRolloverStream).pipe(pipeline.adtsStream);
+
+        pipeline.elementaryStream.pipe(pipeline.timedMetadataTimestampRolloverStream).pipe(pipeline.metadataStream).pipe(pipeline.coalesceStream);
+
+        // Hook up CEA-608/708 caption stream
+        pipeline.h264Stream.pipe(pipeline.captionStream).pipe(pipeline.coalesceStream);
+
+        pipeline.elementaryStream.on('data', function (data) {
+          var i;
+
+          if (data.type === 'metadata') {
+            i = data.tracks.length;
+
+            // scan the tracks listed in the metadata
+            while (i--) {
+              if (!videoTrack && data.tracks[i].type === 'video') {
+                videoTrack = data.tracks[i];
+                videoTrack.timelineStartInfo.baseMediaDecodeTime = self.baseMediaDecodeTime;
+              } else if (!audioTrack && data.tracks[i].type === 'audio') {
+                audioTrack = data.tracks[i];
+                audioTrack.timelineStartInfo.baseMediaDecodeTime = self.baseMediaDecodeTime;
+              }
+            }
+
+            // hook up the video segment stream to the first track with h264 data
+            if (videoTrack && !pipeline.videoSegmentStream) {
+              pipeline.coalesceStream.numberOfTracks++;
+              pipeline.videoSegmentStream = new _VideoSegmentStream(videoTrack, options);
+
+              pipeline.videoSegmentStream.on('timelineStartInfo', function (timelineStartInfo) {
+                // When video emits timelineStartInfo data after a flush, we forward that
+                // info to the AudioSegmentStream, if it exists, because video timeline
+                // data takes precedence.
+                if (audioTrack) {
+                  audioTrack.timelineStartInfo = timelineStartInfo;
+                  // On the first segment we trim AAC frames that exist before the
+                  // very earliest DTS we have seen in video because Chrome will
+                  // interpret any video track with a baseMediaDecodeTime that is
+                  // non-zero as a gap.
+                  pipeline.audioSegmentStream.setEarliestDts(timelineStartInfo.dts);
+                }
+              });
+
+              pipeline.videoSegmentStream.on('processedGopsInfo', self.trigger.bind(self, 'gopInfo'));
+
+              pipeline.videoSegmentStream.on('baseMediaDecodeTime', function (baseMediaDecodeTime) {
+                if (audioTrack) {
+                  pipeline.audioSegmentStream.setVideoBaseMediaDecodeTime(baseMediaDecodeTime);
+                }
+              });
+
+              // Set up the final part of the video pipeline
+              pipeline.h264Stream.pipe(pipeline.videoSegmentStream).pipe(pipeline.coalesceStream);
+            }
+
+            if (audioTrack && !pipeline.audioSegmentStream) {
+              // hook up the audio segment stream to the first track with aac data
+              pipeline.coalesceStream.numberOfTracks++;
+              pipeline.audioSegmentStream = new _AudioSegmentStream(audioTrack, options);
+
+              // Set up the final part of the audio pipeline
+              pipeline.adtsStream.pipe(pipeline.audioSegmentStream).pipe(pipeline.coalesceStream);
+            }
+          }
+        });
+
+        // Re-emit any data coming from the coalesce stream to the outside world
+        pipeline.coalesceStream.on('data', this.trigger.bind(this, 'data'));
+        // Let the consumer know we have finished flushing the entire pipeline
+        pipeline.coalesceStream.on('done', this.trigger.bind(this, 'done'));
+      };
+
+      // hook up the segment streams once track metadata is delivered
+      this.setBaseMediaDecodeTime = function (baseMediaDecodeTime) {
+        var pipeline = this.transmuxPipeline_;
+
+        this.baseMediaDecodeTime = baseMediaDecodeTime;
+        if (audioTrack) {
+          audioTrack.timelineStartInfo.dts = undefined;
+          audioTrack.timelineStartInfo.pts = undefined;
+          trackDecodeInfo.clearDtsInfo(audioTrack);
+          audioTrack.timelineStartInfo.baseMediaDecodeTime = baseMediaDecodeTime;
+          if (pipeline.audioTimestampRolloverStream) {
+            pipeline.audioTimestampRolloverStream.discontinuity();
+          }
+        }
+        if (videoTrack) {
+          if (pipeline.videoSegmentStream) {
+            pipeline.videoSegmentStream.gopCache_ = [];
+            pipeline.videoTimestampRolloverStream.discontinuity();
+          }
+          videoTrack.timelineStartInfo.dts = undefined;
+          videoTrack.timelineStartInfo.pts = undefined;
+          trackDecodeInfo.clearDtsInfo(videoTrack);
+          pipeline.captionStream.reset();
+          videoTrack.timelineStartInfo.baseMediaDecodeTime = baseMediaDecodeTime;
+        }
+
+        if (pipeline.timedMetadataTimestampRolloverStream) {
+          pipeline.timedMetadataTimestampRolloverStream.discontinuity();
+        }
+      };
+
+      this.setAudioAppendStart = function (timestamp) {
+        if (audioTrack) {
+          this.transmuxPipeline_.audioSegmentStream.setAudioAppendStart(timestamp);
+        }
+      };
+
+      this.alignGopsWith = function (gopsToAlignWith) {
+        if (videoTrack && this.transmuxPipeline_.videoSegmentStream) {
+          this.transmuxPipeline_.videoSegmentStream.alignGopsWith(gopsToAlignWith);
+        }
+      };
+
+      // feed incoming data to the front of the parsing pipeline
+      this.push = function (data) {
+        if (hasFlushed) {
+          var isAac = isLikelyAacData(data);
+
+          if (isAac && this.transmuxPipeline_.type !== 'aac') {
+            this.setupAacPipeline();
+          } else if (!isAac && this.transmuxPipeline_.type !== 'ts') {
+            this.setupTsPipeline();
+          }
+          hasFlushed = false;
+        }
+        this.transmuxPipeline_.headOfPipeline.push(data);
+      };
+
+      // flush any buffered data
+      this.flush = function () {
+        hasFlushed = true;
+        // Start at the top of the pipeline and flush all pending work
+        this.transmuxPipeline_.headOfPipeline.flush();
+      };
+
+      // Caption data has to be reset when seeking outside buffered range
+      this.resetCaptions = function () {
+        if (this.transmuxPipeline_.captionStream) {
+          this.transmuxPipeline_.captionStream.reset();
+        }
+      };
+    };
+    _Transmuxer.prototype = new stream();
+
+    var transmuxer = {
+      Transmuxer: _Transmuxer,
+      VideoSegmentStream: _VideoSegmentStream,
+      AudioSegmentStream: _AudioSegmentStream,
+      AUDIO_PROPERTIES: AUDIO_PROPERTIES,
+      VIDEO_PROPERTIES: VIDEO_PROPERTIES
+    };
+
+    var inspectMp4,
+        _textifyMp,
+        parseType$1 = probe.parseType,
+        parseMp4Date = function parseMp4Date(seconds) {
+      return new Date(seconds * 1000 - 2082844800000);
+    },
+        parseSampleFlags = function parseSampleFlags(flags) {
+      return {
+        isLeading: (flags[0] & 0x0c) >>> 2,
+        dependsOn: flags[0] & 0x03,
+        isDependedOn: (flags[1] & 0xc0) >>> 6,
+        hasRedundancy: (flags[1] & 0x30) >>> 4,
+        paddingValue: (flags[1] & 0x0e) >>> 1,
+        isNonSyncSample: flags[1] & 0x01,
+        degradationPriority: flags[2] << 8 | flags[3]
+      };
+    },
+        nalParse = function nalParse(avcStream) {
+      var avcView = new DataView(avcStream.buffer, avcStream.byteOffset, avcStream.byteLength),
+          result = [],
+          i,
+          length;
+      for (i = 0; i + 4 < avcStream.length; i += length) {
+        length = avcView.getUint32(i);
+        i += 4;
+
+        // bail if this doesn't appear to be an H264 stream
+        if (length <= 0) {
+          result.push('<span style=\'color:red;\'>MALFORMED DATA</span>');
+          continue;
+        }
+
+        switch (avcStream[i] & 0x1F) {
+          case 0x01:
+            result.push('slice_layer_without_partitioning_rbsp');
+            break;
+          case 0x05:
+            result.push('slice_layer_without_partitioning_rbsp_idr');
+            break;
+          case 0x06:
+            result.push('sei_rbsp');
+            break;
+          case 0x07:
+            result.push('seq_parameter_set_rbsp');
+            break;
+          case 0x08:
+            result.push('pic_parameter_set_rbsp');
+            break;
+          case 0x09:
+            result.push('access_unit_delimiter_rbsp');
+            break;
+          default:
+            result.push('UNKNOWN NAL - ' + avcStream[i] & 0x1F);
+            break;
+        }
+      }
+      return result;
+    },
+
+
+    // registry of handlers for individual mp4 box types
+    parse$$1 = {
+      // codingname, not a first-class box type. stsd entries share the
+      // same format as real boxes so the parsing infrastructure can be
+      // shared
+      avc1: function avc1(data) {
+        var view = new DataView(data.buffer, data.byteOffset, data.byteLength);
+        return {
+          dataReferenceIndex: view.getUint16(6),
+          width: view.getUint16(24),
+          height: view.getUint16(26),
+          horizresolution: view.getUint16(28) + view.getUint16(30) / 16,
+          vertresolution: view.getUint16(32) + view.getUint16(34) / 16,
+          frameCount: view.getUint16(40),
+          depth: view.getUint16(74),
+          config: inspectMp4(data.subarray(78, data.byteLength))
+        };
+      },
+      avcC: function avcC(data) {
+        var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+            result = {
+          configurationVersion: data[0],
+          avcProfileIndication: data[1],
+          profileCompatibility: data[2],
+          avcLevelIndication: data[3],
+          lengthSizeMinusOne: data[4] & 0x03,
+          sps: [],
+          pps: []
+        },
+            numOfSequenceParameterSets = data[5] & 0x1f,
+            numOfPictureParameterSets,
+            nalSize,
+            offset,
+            i;
+
+        // iterate past any SPSs
+        offset = 6;
+        for (i = 0; i < numOfSequenceParameterSets; i++) {
+          nalSize = view.getUint16(offset);
+          offset += 2;
+          result.sps.push(new Uint8Array(data.subarray(offset, offset + nalSize)));
+          offset += nalSize;
+        }
+        // iterate past any PPSs
+        numOfPictureParameterSets = data[offset];
+        offset++;
+        for (i = 0; i < numOfPictureParameterSets; i++) {
+          nalSize = view.getUint16(offset);
+          offset += 2;
+          result.pps.push(new Uint8Array(data.subarray(offset, offset + nalSize)));
+          offset += nalSize;
+        }
+        return result;
+      },
+      btrt: function btrt(data) {
+        var view = new DataView(data.buffer, data.byteOffset, data.byteLength);
+        return {
+          bufferSizeDB: view.getUint32(0),
+          maxBitrate: view.getUint32(4),
+          avgBitrate: view.getUint32(8)
+        };
+      },
+      esds: function esds(data) {
+        return {
+          version: data[0],
+          flags: new Uint8Array(data.subarray(1, 4)),
+          esId: data[6] << 8 | data[7],
+          streamPriority: data[8] & 0x1f,
+          decoderConfig: {
+            objectProfileIndication: data[11],
+            streamType: data[12] >>> 2 & 0x3f,
+            bufferSize: data[13] << 16 | data[14] << 8 | data[15],
+            maxBitrate: data[16] << 24 | data[17] << 16 | data[18] << 8 | data[19],
+            avgBitrate: data[20] << 24 | data[21] << 16 | data[22] << 8 | data[23],
+            decoderConfigDescriptor: {
+              tag: data[24],
+              length: data[25],
+              audioObjectType: data[26] >>> 3 & 0x1f,
+              samplingFrequencyIndex: (data[26] & 0x07) << 1 | data[27] >>> 7 & 0x01,
+              channelConfiguration: data[27] >>> 3 & 0x0f
+            }
+          }
+        };
+      },
+      ftyp: function ftyp(data) {
+        var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+            result = {
+          majorBrand: parseType$1(data.subarray(0, 4)),
+          minorVersion: view.getUint32(4),
+          compatibleBrands: []
+        },
+            i = 8;
+        while (i < data.byteLength) {
+          result.compatibleBrands.push(parseType$1(data.subarray(i, i + 4)));
+          i += 4;
+        }
+        return result;
+      },
+      dinf: function dinf(data) {
+        return {
+          boxes: inspectMp4(data)
+        };
+      },
+      dref: function dref(data) {
+        return {
+          version: data[0],
+          flags: new Uint8Array(data.subarray(1, 4)),
+          dataReferences: inspectMp4(data.subarray(8))
+        };
+      },
+      hdlr: function hdlr(data) {
+        var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+            result = {
+          version: view.getUint8(0),
+          flags: new Uint8Array(data.subarray(1, 4)),
+          handlerType: parseType$1(data.subarray(8, 12)),
+          name: ''
+        },
+            i = 8;
+
+        // parse out the name field
+        for (i = 24; i < data.byteLength; i++) {
+          if (data[i] === 0x00) {
+            // the name field is null-terminated
+            i++;
+            break;
+          }
+          result.name += String.fromCharCode(data[i]);
+        }
+        // decode UTF-8 to javascript's internal representation
+        // see http://ecmanaut.blogspot.com/2006/07/encoding-decoding-utf8-in-javascript.html
+        result.name = decodeURIComponent(escape(result.name));
+
+        return result;
+      },
+      mdat: function mdat(data) {
+        return {
+          byteLength: data.byteLength,
+          nals: nalParse(data)
+        };
+      },
+      mdhd: function mdhd(data) {
+        var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+            i = 4,
+            language,
+            result = {
+          version: view.getUint8(0),
+          flags: new Uint8Array(data.subarray(1, 4)),
+          language: ''
+        };
+        if (result.version === 1) {
+          i += 4;
+          result.creationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes
+          i += 8;
+          result.modificationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes
+          i += 4;
+          result.timescale = view.getUint32(i);
+          i += 8;
+          result.duration = view.getUint32(i); // truncating top 4 bytes
+        } else {
+          result.creationTime = parseMp4Date(view.getUint32(i));
+          i += 4;
+          result.modificationTime = parseMp4Date(view.getUint32(i));
+          i += 4;
+          result.timescale = view.getUint32(i);
+          i += 4;
+          result.duration = view.getUint32(i);
+        }
+        i += 4;
+        // language is stored as an ISO-639-2/T code in an array of three 5-bit fields
+        // each field is the packed difference between its ASCII value and 0x60
+        language = view.getUint16(i);
+        result.language += String.fromCharCode((language >> 10) + 0x60);
+        result.language += String.fromCharCode(((language & 0x03e0) >> 5) + 0x60);
+        result.language += String.fromCharCode((language & 0x1f) + 0x60);
+
+        return result;
+      },
+      mdia: function mdia(data) {
+        return {
+          boxes: inspectMp4(data)
+        };
+      },
+      mfhd: function mfhd(data) {
+        return {
+          version: data[0],
+          flags: new Uint8Array(data.subarray(1, 4)),
+          sequenceNumber: data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7]
+        };
+      },
+      minf: function minf(data) {
+        return {
+          boxes: inspectMp4(data)
+        };
+      },
+      // codingname, not a first-class box type. stsd entries share the
+      // same format as real boxes so the parsing infrastructure can be
+      // shared
+      mp4a: function mp4a(data) {
+        var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+            result = {
+          // 6 bytes reserved
+          dataReferenceIndex: view.getUint16(6),
+          // 4 + 4 bytes reserved
+          channelcount: view.getUint16(16),
+          samplesize: view.getUint16(18),
+          // 2 bytes pre_defined
+          // 2 bytes reserved
+          samplerate: view.getUint16(24) + view.getUint16(26) / 65536
+        };
+
+        // if there are more bytes to process, assume this is an ISO/IEC
+        // 14496-14 MP4AudioSampleEntry and parse the ESDBox
+        if (data.byteLength > 28) {
+          result.streamDescriptor = inspectMp4(data.subarray(28))[0];
+        }
+        return result;
+      },
+      moof: function moof(data) {
+        return {
+          boxes: inspectMp4(data)
+        };
+      },
+      moov: function moov(data) {
+        return {
+          boxes: inspectMp4(data)
+        };
+      },
+      mvex: function mvex(data) {
+        return {
+          boxes: inspectMp4(data)
+        };
+      },
+      mvhd: function mvhd(data) {
+        var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+            i = 4,
+            result = {
+          version: view.getUint8(0),
+          flags: new Uint8Array(data.subarray(1, 4))
+        };
+
+        if (result.version === 1) {
+          i += 4;
+          result.creationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes
+          i += 8;
+          result.modificationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes
+          i += 4;
+          result.timescale = view.getUint32(i);
+          i += 8;
+          result.duration = view.getUint32(i); // truncating top 4 bytes
+        } else {
+          result.creationTime = parseMp4Date(view.getUint32(i));
+          i += 4;
+          result.modificationTime = parseMp4Date(view.getUint32(i));
+          i += 4;
+          result.timescale = view.getUint32(i);
+          i += 4;
+          result.duration = view.getUint32(i);
+        }
+        i += 4;
+
+        // convert fixed-point, base 16 back to a number
+        result.rate = view.getUint16(i) + view.getUint16(i + 2) / 16;
+        i += 4;
+        result.volume = view.getUint8(i) + view.getUint8(i + 1) / 8;
+        i += 2;
+        i += 2;
+        i += 2 * 4;
+        result.matrix = new Uint32Array(data.subarray(i, i + 9 * 4));
+        i += 9 * 4;
+        i += 6 * 4;
+        result.nextTrackId = view.getUint32(i);
+        return result;
+      },
+      pdin: function pdin(data) {
+        var view = new DataView(data.buffer, data.byteOffset, data.byteLength);
+        return {
+          version: view.getUint8(0),
+          flags: new Uint8Array(data.subarray(1, 4)),
+          rate: view.getUint32(4),
+          initialDelay: view.getUint32(8)
+        };
+      },
+      sdtp: function sdtp(data) {
+        var result = {
+          version: data[0],
+          flags: new Uint8Array(data.subarray(1, 4)),
+          samples: []
+        },
+            i;
+
+        for (i = 4; i < data.byteLength; i++) {
+          result.samples.push({
+            dependsOn: (data[i] & 0x30) >> 4,
+            isDependedOn: (data[i] & 0x0c) >> 2,
+            hasRedundancy: data[i] & 0x03
+          });
+        }
+        return result;
+      },
+      sidx: function sidx(data) {
+        var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+            result = {
+          version: data[0],
+          flags: new Uint8Array(data.subarray(1, 4)),
+          references: [],
+          referenceId: view.getUint32(4),
+          timescale: view.getUint32(8),
+          earliestPresentationTime: view.getUint32(12),
+          firstOffset: view.getUint32(16)
+        },
+            referenceCount = view.getUint16(22),
+            i;
+
+        for (i = 24; referenceCount; i += 12, referenceCount--) {
+          result.references.push({
+            referenceType: (data[i] & 0x80) >>> 7,
+            referencedSize: view.getUint32(i) & 0x7FFFFFFF,
+            subsegmentDuration: view.getUint32(i + 4),
+            startsWithSap: !!(data[i + 8] & 0x80),
+            sapType: (data[i + 8] & 0x70) >>> 4,
+            sapDeltaTime: view.getUint32(i + 8) & 0x0FFFFFFF
+          });
+        }
+
+        return result;
+      },
+      smhd: function smhd(data) {
+        return {
+          version: data[0],
+          flags: new Uint8Array(data.subarray(1, 4)),
+          balance: data[4] + data[5] / 256
+        };
+      },
+      stbl: function stbl(data) {
+        return {
+          boxes: inspectMp4(data)
+        };
+      },
+      stco: function stco(data) {
+        var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+            result = {
+          version: data[0],
+          flags: new Uint8Array(data.subarray(1, 4)),
+          chunkOffsets: []
+        },
+            entryCount = view.getUint32(4),
+            i;
+        for (i = 8; entryCount; i += 4, entryCount--) {
+          result.chunkOffsets.push(view.getUint32(i));
+        }
+        return result;
+      },
+      stsc: function stsc(data) {
+        var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+            entryCount = view.getUint32(4),
+            result = {
+          version: data[0],
+          flags: new Uint8Array(data.subarray(1, 4)),
+          sampleToChunks: []
+        },
+            i;
+        for (i = 8; entryCount; i += 12, entryCount--) {
+          result.sampleToChunks.push({
+            firstChunk: view.getUint32(i),
+            samplesPerChunk: view.getUint32(i + 4),
+            sampleDescriptionIndex: view.getUint32(i + 8)
+          });
+        }
+        return result;
+      },
+      stsd: function stsd(data) {
+        return {
+          version: data[0],
+          flags: new Uint8Array(data.subarray(1, 4)),
+          sampleDescriptions: inspectMp4(data.subarray(8))
+        };
+      },
+      stsz: function stsz(data) {
+        var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+            result = {
+          version: data[0],
+          flags: new Uint8Array(data.subarray(1, 4)),
+          sampleSize: view.getUint32(4),
+          entries: []
+        },
+            i;
+        for (i = 12; i < data.byteLength; i += 4) {
+          result.entries.push(view.getUint32(i));
+        }
+        return result;
+      },
+      stts: function stts(data) {
+        var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+            result = {
+          version: data[0],
+          flags: new Uint8Array(data.subarray(1, 4)),
+          timeToSamples: []
+        },
+            entryCount = view.getUint32(4),
+            i;
+
+        for (i = 8; entryCount; i += 8, entryCount--) {
+          result.timeToSamples.push({
+            sampleCount: view.getUint32(i),
+            sampleDelta: view.getUint32(i + 4)
+          });
+        }
+        return result;
+      },
+      styp: function styp(data) {
+        return parse$$1.ftyp(data);
+      },
+      tfdt: function tfdt(data) {
+        var result = {
+          version: data[0],
+          flags: new Uint8Array(data.subarray(1, 4)),
+          baseMediaDecodeTime: data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7]
+        };
+        if (result.version === 1) {
+          result.baseMediaDecodeTime *= Math.pow(2, 32);
+          result.baseMediaDecodeTime += data[8] << 24 | data[9] << 16 | data[10] << 8 | data[11];
+        }
+        return result;
+      },
+      tfhd: function tfhd(data) {
+        var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+            result = {
+          version: data[0],
+          flags: new Uint8Array(data.subarray(1, 4)),
+          trackId: view.getUint32(4)
+        },
+            baseDataOffsetPresent = result.flags[2] & 0x01,
+            sampleDescriptionIndexPresent = result.flags[2] & 0x02,
+            defaultSampleDurationPresent = result.flags[2] & 0x08,
+            defaultSampleSizePresent = result.flags[2] & 0x10,
+            defaultSampleFlagsPresent = result.flags[2] & 0x20,
+            durationIsEmpty = result.flags[0] & 0x010000,
+            defaultBaseIsMoof = result.flags[0] & 0x020000,
+            i;
+
+        i = 8;
+        if (baseDataOffsetPresent) {
+          i += 4; // truncate top 4 bytes
+          // FIXME: should we read the full 64 bits?
+          result.baseDataOffset = view.getUint32(12);
+          i += 4;
+        }
+        if (sampleDescriptionIndexPresent) {
+          result.sampleDescriptionIndex = view.getUint32(i);
+          i += 4;
+        }
+        if (defaultSampleDurationPresent) {
+          result.defaultSampleDuration = view.getUint32(i);
+          i += 4;
+        }
+        if (defaultSampleSizePresent) {
+          result.defaultSampleSize = view.getUint32(i);
+          i += 4;
+        }
+        if (defaultSampleFlagsPresent) {
+          result.defaultSampleFlags = view.getUint32(i);
+        }
+        if (durationIsEmpty) {
+          result.durationIsEmpty = true;
+        }
+        if (!baseDataOffsetPresent && defaultBaseIsMoof) {
+          result.baseDataOffsetIsMoof = true;
+        }
+        return result;
+      },
+      tkhd: function tkhd(data) {
+        var view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+            i = 4,
+            result = {
+          version: view.getUint8(0),
+          flags: new Uint8Array(data.subarray(1, 4))
+        };
+        if (result.version === 1) {
+          i += 4;
+          result.creationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes
+          i += 8;
+          result.modificationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes
+          i += 4;
+          result.trackId = view.getUint32(i);
+          i += 4;
+          i += 8;
+          result.duration = view.getUint32(i); // truncating top 4 bytes
+        } else {
+          result.creationTime = parseMp4Date(view.getUint32(i));
+          i += 4;
+          result.modificationTime = parseMp4Date(view.getUint32(i));
+          i += 4;
+          result.trackId = view.getUint32(i);
+          i += 4;
+          i += 4;
+          result.duration = view.getUint32(i);
+        }
+        i += 4;
+        i += 2 * 4;
+        result.layer = view.getUint16(i);
+        i += 2;
+        result.alternateGroup = view.getUint16(i);
+        i += 2;
+        // convert fixed-point, base 16 back to a number
+        result.volume = view.getUint8(i) + view.getUint8(i + 1) / 8;
+        i += 2;
+        i += 2;
+        result.matrix = new Uint32Array(data.subarray(i, i + 9 * 4));
+        i += 9 * 4;
+        result.width = view.getUint16(i) + view.getUint16(i + 2) / 16;
+        i += 4;
+        result.height = view.getUint16(i) + view.getUint16(i + 2) / 16;
+        return result;
+      },
+      traf: function traf(data) {
+        return {
+          boxes: inspectMp4(data)
+        };
+      },
+      trak: function trak(data) {
+        return {
+          boxes: inspectMp4(data)
+        };
+      },
+      trex: function trex(data) {
+        var view = new DataView(data.buffer, data.byteOffset, data.byteLength);
+        return {
+          version: data[0],
+          flags: new Uint8Array(data.subarray(1, 4)),
+          trackId: view.getUint32(4),
+          defaultSampleDescriptionIndex: view.getUint32(8),
+          defaultSampleDuration: view.getUint32(12),
+          defaultSampleSize: view.getUint32(16),
+          sampleDependsOn: data[20] & 0x03,
+          sampleIsDependedOn: (data[21] & 0xc0) >> 6,
+          sampleHasRedundancy: (data[21] & 0x30) >> 4,
+          samplePaddingValue: (data[21] & 0x0e) >> 1,
+          sampleIsDifferenceSample: !!(data[21] & 0x01),
+          sampleDegradationPriority: view.getUint16(22)
+        };
+      },
+      trun: function trun(data) {
+        var result = {
+          version: data[0],
+          flags: new Uint8Array(data.subarray(1, 4)),
+          samples: []
+        },
+            view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+
+
+        // Flag interpretation
+        dataOffsetPresent = result.flags[2] & 0x01,
+
+
+        // compare with 2nd byte of 0x1
+        firstSampleFlagsPresent = result.flags[2] & 0x04,
+
+
+        // compare with 2nd byte of 0x4
+        sampleDurationPresent = result.flags[1] & 0x01,
+
+
+        // compare with 2nd byte of 0x100
+        sampleSizePresent = result.flags[1] & 0x02,
+
+
+        // compare with 2nd byte of 0x200
+        sampleFlagsPresent = result.flags[1] & 0x04,
+
+
+        // compare with 2nd byte of 0x400
+        sampleCompositionTimeOffsetPresent = result.flags[1] & 0x08,
+
+
+        // compare with 2nd byte of 0x800
+        sampleCount = view.getUint32(4),
+            offset = 8,
+            sample;
+
+        if (dataOffsetPresent) {
+          // 32 bit signed integer
+          result.dataOffset = view.getInt32(offset);
+          offset += 4;
+        }
+
+        // Overrides the flags for the first sample only. The order of
+        // optional values will be: duration, size, compositionTimeOffset
+        if (firstSampleFlagsPresent && sampleCount) {
+          sample = {
+            flags: parseSampleFlags(data.subarray(offset, offset + 4))
+          };
+          offset += 4;
+          if (sampleDurationPresent) {
+            sample.duration = view.getUint32(offset);
+            offset += 4;
+          }
+          if (sampleSizePresent) {
+            sample.size = view.getUint32(offset);
+            offset += 4;
+          }
+          if (sampleCompositionTimeOffsetPresent) {
+            // Note: this should be a signed int if version is 1
+            sample.compositionTimeOffset = view.getUint32(offset);
+            offset += 4;
+          }
+          result.samples.push(sample);
+          sampleCount--;
+        }
+
+        while (sampleCount--) {
+          sample = {};
+          if (sampleDurationPresent) {
+            sample.duration = view.getUint32(offset);
+            offset += 4;
+          }
+          if (sampleSizePresent) {
+            sample.size = view.getUint32(offset);
+            offset += 4;
+          }
+          if (sampleFlagsPresent) {
+            sample.flags = parseSampleFlags(data.subarray(offset, offset + 4));
+            offset += 4;
+          }
+          if (sampleCompositionTimeOffsetPresent) {
+            // Note: this should be a signed int if version is 1
+            sample.compositionTimeOffset = view.getUint32(offset);
+            offset += 4;
+          }
+          result.samples.push(sample);
+        }
+        return result;
+      },
+      'url ': function url(data) {
+        return {
+          version: data[0],
+          flags: new Uint8Array(data.subarray(1, 4))
+        };
+      },
+      vmhd: function vmhd(data) {
+        var view = new DataView(data.buffer, data.byteOffset, data.byteLength);
+        return {
+          version: data[0],
+          flags: new Uint8Array(data.subarray(1, 4)),
+          graphicsmode: view.getUint16(4),
+          opcolor: new Uint16Array([view.getUint16(6), view.getUint16(8), view.getUint16(10)])
+        };
+      }
+    };
+
+    /**
+     * Return a javascript array of box objects parsed from an ISO base
+     * media file.
+     * @param data {Uint8Array} the binary data of the media to be inspected
+     * @return {array} a javascript array of potentially nested box objects
+     */
+    inspectMp4 = function inspectMp4(data) {
+      var i = 0,
+          result = [],
+          view,
+          size,
+          type,
+          end,
+          box;
+
+      // Convert data from Uint8Array to ArrayBuffer, to follow Dataview API
+      var ab = new ArrayBuffer(data.length);
+      var v = new Uint8Array(ab);
+      for (var z = 0; z < data.length; ++z) {
+        v[z] = data[z];
+      }
+      view = new DataView(ab);
+
+      while (i < data.byteLength) {
+        // parse box data
+        size = view.getUint32(i);
+        type = parseType$1(data.subarray(i + 4, i + 8));
+        end = size > 1 ? i + size : data.byteLength;
+
+        // parse type-specific data
+        box = (parse$$1[type] || function (data) {
+          return {
+            data: data
+          };
+        })(data.subarray(i + 8, end));
+        box.size = size;
+        box.type = type;
+
+        // store this box and move to the next
+        result.push(box);
+        i = end;
+      }
+      return result;
+    };
+
+    /**
+     * Returns a textual representation of the javascript represtentation
+     * of an MP4 file. You can use it as an alternative to
+     * JSON.stringify() to compare inspected MP4s.
+     * @param inspectedMp4 {array} the parsed array of boxes in an MP4
+     * file
+     * @param depth {number} (optional) the number of ancestor boxes of
+     * the elements of inspectedMp4. Assumed to be zero if unspecified.
+     * @return {string} a text representation of the parsed MP4
+     */
+    _textifyMp = function textifyMp4(inspectedMp4, depth) {
+      var indent;
+      depth = depth || 0;
+      indent = new Array(depth * 2 + 1).join(' ');
+
+      // iterate over all the boxes
+      return inspectedMp4.map(function (box, index) {
+
+        // list the box type first at the current indentation level
+        return indent + box.type + '\n' +
+
+        // the type is already included and handle child boxes separately
+        Object.keys(box).filter(function (key) {
+          return key !== 'type' && key !== 'boxes';
+
+          // output all the box properties
+        }).map(function (key) {
+          var prefix = indent + '  ' + key + ': ',
+              value = box[key];
+
+          // print out raw bytes as hexademical
+          if (value instanceof Uint8Array || value instanceof Uint32Array) {
+            var bytes = Array.prototype.slice.call(new Uint8Array(value.buffer, value.byteOffset, value.byteLength)).map(function (byte) {
+              return ' ' + ('00' + byte.toString(16)).slice(-2);
+            }).join('').match(/.{1,24}/g);
+            if (!bytes) {
+              return prefix + '<>';
+            }
+            if (bytes.length === 1) {
+              return prefix + '<' + bytes.join('').slice(1) + '>';
+            }
+            return prefix + '<\n' + bytes.map(function (line) {
+              return indent + '  ' + line;
+            }).join('\n') + '\n' + indent + '  >';
+          }
+
+          // stringify generic objects
+          return prefix + JSON.stringify(value, null, 2).split('\n').map(function (line, index) {
+            if (index === 0) {
+              return line;
+            }
+            return indent + '  ' + line;
+          }).join('\n');
+        }).join('\n') + (
+
+        // recursively textify the child boxes
+        box.boxes ? '\n' + _textifyMp(box.boxes, depth + 1) : '');
+      }).join('\n');
+    };
+
+    var mp4Inspector = {
+      inspect: inspectMp4,
+      textify: _textifyMp,
+      parseTfdt: parse$$1.tfdt,
+      parseHdlr: parse$$1.hdlr,
+      parseTfhd: parse$$1.tfhd,
+      parseTrun: parse$$1.trun
+    };
+
+    var discardEmulationPreventionBytes$1 = captionPacketParser.discardEmulationPreventionBytes;
+    var CaptionStream$1 = captionStream.CaptionStream;
+
+    /**
+      * Maps an offset in the mdat to a sample based on the the size of the samples.
+      * Assumes that `parseSamples` has been called first.
+      *
+      * @param {Number} offset - The offset into the mdat
+      * @param {Object[]} samples - An array of samples, parsed using `parseSamples`
+      * @return {?Object} The matching sample, or null if no match was found.
+      *
+      * @see ISO-BMFF-12/2015, Section 8.8.8
+     **/
+    var mapToSample = function mapToSample(offset, samples) {
+      var approximateOffset = offset;
+
+      for (var i = 0; i < samples.length; i++) {
+        var sample = samples[i];
+
+        if (approximateOffset < sample.size) {
+          return sample;
+        }
+
+        approximateOffset -= sample.size;
+      }
+
+      return null;
+    };
+
+    /**
+      * Finds SEI nal units contained in a Media Data Box.
+      * Assumes that `parseSamples` has been called first.
+      *
+      * @param {Uint8Array} avcStream - The bytes of the mdat
+      * @param {Object[]} samples - The samples parsed out by `parseSamples`
+      * @param {Number} trackId - The trackId of this video track
+      * @return {Object[]} seiNals - the parsed SEI NALUs found.
+      *   The contents of the seiNal should match what is expected by
+      *   CaptionStream.push (nalUnitType, size, data, escapedRBSP, pts, dts)
+      *
+      * @see ISO-BMFF-12/2015, Section 8.1.1
+      * @see Rec. ITU-T H.264, 7.3.2.3.1
+     **/
+    var findSeiNals = function findSeiNals(avcStream, samples, trackId) {
+      var avcView = new DataView(avcStream.buffer, avcStream.byteOffset, avcStream.byteLength),
+          result = [],
+          seiNal,
+          i,
+          length,
+          lastMatchedSample;
+
+      for (i = 0; i + 4 < avcStream.length; i += length) {
+        length = avcView.getUint32(i);
+        i += 4;
+
+        // Bail if this doesn't appear to be an H264 stream
+        if (length <= 0) {
+          continue;
+        }
+
+        switch (avcStream[i] & 0x1F) {
+          case 0x06:
+            var data = avcStream.subarray(i + 1, i + 1 + length);
+            var matchingSample = mapToSample(i, samples);
+
+            seiNal = {
+              nalUnitType: 'sei_rbsp',
+              size: length,
+              data: data,
+              escapedRBSP: discardEmulationPreventionBytes$1(data),
+              trackId: trackId
+            };
+
+            if (matchingSample) {
+              seiNal.pts = matchingSample.pts;
+              seiNal.dts = matchingSample.dts;
+              lastMatchedSample = matchingSample;
+            } else {
+              // If a matching sample cannot be found, use the last
+              // sample's values as they should be as close as possible
+              seiNal.pts = lastMatchedSample.pts;
+              seiNal.dts = lastMatchedSample.dts;
+            }
+
+            result.push(seiNal);
+            break;
+          default:
+            break;
+        }
+      }
+
+      return result;
+    };
+
+    /**
+      * Parses sample information out of Track Run Boxes and calculates
+      * the absolute presentation and decode timestamps of each sample.
+      *
+      * @param {Array<Uint8Array>} truns - The Trun Run boxes to be parsed
+      * @param {Number} baseMediaDecodeTime - base media decode time from tfdt
+          @see ISO-BMFF-12/2015, Section 8.8.12
+      * @param {Object} tfhd - The parsed Track Fragment Header
+      *   @see inspect.parseTfhd
+      * @return {Object[]} the parsed samples
+      *
+      * @see ISO-BMFF-12/2015, Section 8.8.8
+     **/
+    var parseSamples = function parseSamples(truns, baseMediaDecodeTime, tfhd) {
+      var currentDts = baseMediaDecodeTime;
+      var defaultSampleDuration = tfhd.defaultSampleDuration || 0;
+      var defaultSampleSize = tfhd.defaultSampleSize || 0;
+      var trackId = tfhd.trackId;
+      var allSamples = [];
+
+      truns.forEach(function (trun) {
+        // Note: We currently do not parse the sample table as well
+        // as the trun. It's possible some sources will require this.
+        // moov > trak > mdia > minf > stbl
+        var trackRun = mp4Inspector.parseTrun(trun);
+        var samples = trackRun.samples;
+
+        samples.forEach(function (sample) {
+          if (sample.duration === undefined) {
+            sample.duration = defaultSampleDuration;
+          }
+          if (sample.size === undefined) {
+            sample.size = defaultSampleSize;
+          }
+          sample.trackId = trackId;
+          sample.dts = currentDts;
+          if (sample.compositionTimeOffset === undefined) {
+            sample.compositionTimeOffset = 0;
+          }
+          sample.pts = currentDts + sample.compositionTimeOffset;
+
+          currentDts += sample.duration;
+        });
+
+        allSamples = allSamples.concat(samples);
+      });
+
+      return allSamples;
+    };
+
+    /**
+      * Parses out caption nals from an FMP4 segment's video tracks.
+      *
+      * @param {Uint8Array} segment - The bytes of a single segment
+      * @param {Number} videoTrackId - The trackId of a video track in the segment
+      * @return {Object.<Number, Object[]>} A mapping of video trackId to
+      *   a list of seiNals found in that track
+     **/
+    var parseCaptionNals = function parseCaptionNals(segment, videoTrackId) {
+      // To get the samples
+      var trafs = probe.findBox(segment, ['moof', 'traf']);
+      // To get SEI NAL units
+      var mdats = probe.findBox(segment, ['mdat']);
+      var captionNals = {};
+      var mdatTrafPairs = [];
+
+      // Pair up each traf with a mdat as moofs and mdats are in pairs
+      mdats.forEach(function (mdat, index) {
+        var matchingTraf = trafs[index];
+        mdatTrafPairs.push({
+          mdat: mdat,
+          traf: matchingTraf
+        });
+      });
+
+      mdatTrafPairs.forEach(function (pair) {
+        var mdat = pair.mdat;
+        var traf = pair.traf;
+        var tfhd = probe.findBox(traf, ['tfhd']);
+        // Exactly 1 tfhd per traf
+        var headerInfo = mp4Inspector.parseTfhd(tfhd[0]);
+        var trackId = headerInfo.trackId;
+        var tfdt = probe.findBox(traf, ['tfdt']);
+        // Either 0 or 1 tfdt per traf
+        var baseMediaDecodeTime = tfdt.length > 0 ? mp4Inspector.parseTfdt(tfdt[0]).baseMediaDecodeTime : 0;
+        var truns = probe.findBox(traf, ['trun']);
+        var samples;
+        var seiNals;
+
+        // Only parse video data for the chosen video track
+        if (videoTrackId === trackId && truns.length > 0) {
+          samples = parseSamples(truns, baseMediaDecodeTime, headerInfo);
+
+          seiNals = findSeiNals(mdat, samples, trackId);
+
+          if (!captionNals[trackId]) {
+            captionNals[trackId] = [];
+          }
+
+          captionNals[trackId] = captionNals[trackId].concat(seiNals);
+        }
+      });
+
+      return captionNals;
+    };
+
+    /**
+      * Parses out inband captions from an MP4 container and returns
+      * caption objects that can be used by WebVTT and the TextTrack API.
+      * @see https://developer.mozilla.org/en-US/docs/Web/API/VTTCue
+      * @see https://developer.mozilla.org/en-US/docs/Web/API/TextTrack
+      * Assumes that `probe.getVideoTrackIds` and `probe.timescale` have been called first
+      *
+      * @param {Uint8Array} segment - The fmp4 segment containing embedded captions
+      * @param {Number} trackId - The id of the video track to parse
+      * @param {Number} timescale - The timescale for the video track from the init segment
+      *
+      * @return {?Object[]} parsedCaptions - A list of captions or null if no video tracks
+      * @return {Number} parsedCaptions[].startTime - The time to show the caption in seconds
+      * @return {Number} parsedCaptions[].endTime - The time to stop showing the caption in seconds
+      * @return {String} parsedCaptions[].text - The visible content of the caption
+     **/
+    var parseEmbeddedCaptions = function parseEmbeddedCaptions(segment, trackId, timescale) {
+      var seiNals;
+
+      if (!trackId) {
+        return null;
+      }
+
+      seiNals = parseCaptionNals(segment, trackId);
+
+      return {
+        seiNals: seiNals[trackId],
+        timescale: timescale
+      };
+    };
+
+    /**
+      * Converts SEI NALUs into captions that can be used by video.js
+     **/
+    var CaptionParser$$1 = function CaptionParser$$1() {
+      var isInitialized = false;
+      var captionStream$$1;
+
+      // Stores segments seen before trackId and timescale are set
+      var segmentCache;
+      // Stores video track ID of the track being parsed
+      var trackId;
+      // Stores the timescale of the track being parsed
+      var timescale;
+      // Stores captions parsed so far
+      var parsedCaptions;
+
+      /**
+        * A method to indicate whether a CaptionParser has been initalized
+        * @returns {Boolean}
+       **/
+      this.isInitialized = function () {
+        return isInitialized;
+      };
+
+      /**
+        * Initializes the underlying CaptionStream, SEI NAL parsing
+        * and management, and caption collection
+       **/
+      this.init = function () {
+        captionStream$$1 = new CaptionStream$1();
+        isInitialized = true;
+
+        // Collect dispatched captions
+        captionStream$$1.on('data', function (event) {
+          // Convert to seconds in the source's timescale
+          event.startTime = event.startPts / timescale;
+          event.endTime = event.endPts / timescale;
+
+          parsedCaptions.captions.push(event);
+          parsedCaptions.captionStreams[event.stream] = true;
+        });
+      };
+
+      /**
+        * Determines if a new video track will be selected
+        * or if the timescale changed
+        * @return {Boolean}
+       **/
+      this.isNewInit = function (videoTrackIds, timescales) {
+        if (videoTrackIds && videoTrackIds.length === 0 || timescales && (typeof timescales === 'undefined' ? 'undefined' : _typeof(timescales)) === 'object' && Object.keys(timescales).length === 0) {
+          return false;
+        }
+
+        return trackId !== videoTrackIds[0] || timescale !== timescales[trackId];
+      };
+
+      /**
+        * Parses out SEI captions and interacts with underlying
+        * CaptionStream to return dispatched captions
+        *
+        * @param {Uint8Array} segment - The fmp4 segment containing embedded captions
+        * @param {Number[]} videoTrackIds - A list of video tracks found in the init segment
+        * @param {Object.<Number, Number>} timescales - The timescales found in the init segment
+        * @see parseEmbeddedCaptions
+        * @see m2ts/caption-stream.js
+       **/
+      this.parse = function (segment, videoTrackIds, timescales) {
+        var parsedData;
+
+        if (!this.isInitialized()) {
+          return null;
+
+          // This is not likely to be a video segment
+        } else if (!videoTrackIds || !timescales) {
+          return null;
+        } else if (this.isNewInit(videoTrackIds, timescales)) {
+          // Use the first video track only as there is no
+          // mechanism to switch to other video tracks
+          trackId = videoTrackIds[0];
+          timescale = timescales[trackId];
+
+          // If an init segment has not been seen yet, hold onto segment
+          // data until we have one
+        } else if (!trackId || !timescale) {
+          segmentCache.push(segment);
+          return null;
+        }
+
+        // Now that a timescale and trackId is set, parse cached segments
+        while (segmentCache.length > 0) {
+          var cachedSegment = segmentCache.shift();
+
+          this.parse(cachedSegment, videoTrackIds, timescales);
+        }
+
+        parsedData = parseEmbeddedCaptions(segment, trackId, timescale);
+
+        if (parsedData === null || !parsedData.seiNals) {
+          return null;
+        }
+
+        this.pushNals(parsedData.seiNals);
+        // Force the parsed captions to be dispatched
+        this.flushStream();
+
+        return parsedCaptions;
+      };
+
+      /**
+        * Pushes SEI NALUs onto CaptionStream
+        * @param {Object[]} nals - A list of SEI nals parsed using `parseCaptionNals`
+        * Assumes that `parseCaptionNals` has been called first
+        * @see m2ts/caption-stream.js
+        **/
+      this.pushNals = function (nals) {
+        if (!this.isInitialized() || !nals || nals.length === 0) {
+          return null;
+        }
+
+        nals.forEach(function (nal) {
+          captionStream$$1.push(nal);
+        });
+      };
+
+      /**
+        * Flushes underlying CaptionStream to dispatch processed, displayable captions
+        * @see m2ts/caption-stream.js
+       **/
+      this.flushStream = function () {
+        if (!this.isInitialized()) {
+          return null;
+        }
+
+        captionStream$$1.flush();
+      };
+
+      /**
+        * Reset caption buckets for new data
+       **/
+      this.clearParsedCaptions = function () {
+        parsedCaptions.captions = [];
+        parsedCaptions.captionStreams = {};
+      };
+
+      /**
+        * Resets underlying CaptionStream
+        * @see m2ts/caption-stream.js
+       **/
+      this.resetCaptionStream = function () {
+        if (!this.isInitialized()) {
+          return null;
+        }
+
+        captionStream$$1.reset();
+      };
+
+      /**
+        * Convenience method to clear all captions flushed from the
+        * CaptionStream and still being parsed
+        * @see m2ts/caption-stream.js
+       **/
+      this.clearAllCaptions = function () {
+        this.clearParsedCaptions();
+        this.resetCaptionStream();
+      };
+
+      /**
+        * Reset caption parser
+       **/
+      this.reset = function () {
+        segmentCache = [];
+        trackId = null;
+        timescale = null;
+
+        if (!parsedCaptions) {
+          parsedCaptions = {
+            captions: [],
+            // CC1, CC2, CC3, CC4
+            captionStreams: {}
+          };
+        } else {
+          this.clearParsedCaptions();
+        }
+
+        this.resetCaptionStream();
+      };
+
+      this.reset();
+    };
+
+    var captionParser = CaptionParser$$1;
+
+    var mp4$$1 = {
+      generator: mp4Generator,
+      probe: probe,
+      Transmuxer: transmuxer.Transmuxer,
+      AudioSegmentStream: transmuxer.AudioSegmentStream,
+      VideoSegmentStream: transmuxer.VideoSegmentStream,
+      CaptionParser: captionParser
+    };
+
+    var classCallCheck$$1 = function classCallCheck$$1(instance, Constructor) {
+      if (!(instance instanceof Constructor)) {
+        throw new TypeError("Cannot call a class as a function");
+      }
+    };
+
+    var createClass$$1 = function () {
+      function defineProperties(target, props) {
+        for (var i = 0; i < props.length; i++) {
+          var descriptor = props[i];
+          descriptor.enumerable = descriptor.enumerable || false;
+          descriptor.configurable = true;
+          if ("value" in descriptor) descriptor.writable = true;
+          Object.defineProperty(target, descriptor.key, descriptor);
+        }
+      }
+
+      return function (Constructor, protoProps, staticProps) {
+        if (protoProps) defineProperties(Constructor.prototype, protoProps);
+        if (staticProps) defineProperties(Constructor, staticProps);
+        return Constructor;
+      };
+    }();
+
+    /**
+     * @file transmuxer-worker.js
+     */
+
+    /**
+     * Re-emits transmuxer events by converting them into messages to the
+     * world outside the worker.
+     *
+     * @param {Object} transmuxer the transmuxer to wire events on
+     * @private
+     */
+    var wireTransmuxerEvents = function wireTransmuxerEvents(self, transmuxer) {
+      transmuxer.on('data', function (segment) {
+        // transfer ownership of the underlying ArrayBuffer
+        // instead of doing a copy to save memory
+        // ArrayBuffers are transferable but generic TypedArrays are not
+        // @link https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Using_web_workers#Passing_data_by_transferring_ownership_(transferable_objects)
+        var initArray = segment.initSegment;
+
+        segment.initSegment = {
+          data: initArray.buffer,
+          byteOffset: initArray.byteOffset,
+          byteLength: initArray.byteLength
+        };
+
+        var typedArray = segment.data;
+
+        segment.data = typedArray.buffer;
+        self.postMessage({
+          action: 'data',
+          segment: segment,
+          byteOffset: typedArray.byteOffset,
+          byteLength: typedArray.byteLength
+        }, [segment.data]);
+      });
+
+      if (transmuxer.captionStream) {
+        transmuxer.captionStream.on('data', function (caption) {
+          self.postMessage({
+            action: 'caption',
+            data: caption
+          });
+        });
+      }
+
+      transmuxer.on('done', function (data) {
+        self.postMessage({ action: 'done' });
+      });
+
+      transmuxer.on('gopInfo', function (gopInfo) {
+        self.postMessage({
+          action: 'gopInfo',
+          gopInfo: gopInfo
+        });
+      });
+    };
+
+    /**
+     * All incoming messages route through this hash. If no function exists
+     * to handle an incoming message, then we ignore the message.
+     *
+     * @class MessageHandlers
+     * @param {Object} options the options to initialize with
+     */
+
+    var MessageHandlers = function () {
+      function MessageHandlers(self, options) {
+        classCallCheck$$1(this, MessageHandlers);
+
+        this.options = options || {};
+        this.self = self;
+        this.init();
+      }
+
+      /**
+       * initialize our web worker and wire all the events.
+       */
+
+      createClass$$1(MessageHandlers, [{
+        key: 'init',
+        value: function init() {
+          if (this.transmuxer) {
+            this.transmuxer.dispose();
+          }
+          this.transmuxer = new mp4$$1.Transmuxer(this.options);
+          wireTransmuxerEvents(this.self, this.transmuxer);
+        }
+
+        /**
+         * Adds data (a ts segment) to the start of the transmuxer pipeline for
+         * processing.
+         *
+         * @param {ArrayBuffer} data data to push into the muxer
+         */
+
+      }, {
+        key: 'push',
+        value: function push(data) {
+          // Cast array buffer to correct type for transmuxer
+          var segment = new Uint8Array(data.data, data.byteOffset, data.byteLength);
+
+          this.transmuxer.push(segment);
+        }
+
+        /**
+         * Recreate the transmuxer so that the next segment added via `push`
+         * start with a fresh transmuxer.
+         */
+
+      }, {
+        key: 'reset',
+        value: function reset() {
+          this.init();
+        }
+
+        /**
+         * Set the value that will be used as the `baseMediaDecodeTime` time for the
+         * next segment pushed in. Subsequent segments will have their `baseMediaDecodeTime`
+         * set relative to the first based on the PTS values.
+         *
+         * @param {Object} data used to set the timestamp offset in the muxer
+         */
+
+      }, {
+        key: 'setTimestampOffset',
+        value: function setTimestampOffset(data) {
+          var timestampOffset = data.timestampOffset || 0;
+
+          this.transmuxer.setBaseMediaDecodeTime(Math.round(timestampOffset * 90000));
+        }
+      }, {
+        key: 'setAudioAppendStart',
+        value: function setAudioAppendStart(data) {
+          this.transmuxer.setAudioAppendStart(Math.ceil(data.appendStart * 90000));
+        }
+
+        /**
+         * Forces the pipeline to finish processing the last segment and emit it's
+         * results.
+         *
+         * @param {Object} data event data, not really used
+         */
+
+      }, {
+        key: 'flush',
+        value: function flush(data) {
+          this.transmuxer.flush();
+        }
+      }, {
+        key: 'resetCaptions',
+        value: function resetCaptions() {
+          this.transmuxer.resetCaptions();
+        }
+      }, {
+        key: 'alignGopsWith',
+        value: function alignGopsWith(data) {
+          this.transmuxer.alignGopsWith(data.gopsToAlignWith.slice());
+        }
+      }]);
+      return MessageHandlers;
+    }();
+
+    /**
+     * Our web wroker interface so that things can talk to mux.js
+     * that will be running in a web worker. the scope is passed to this by
+     * webworkify.
+     *
+     * @param {Object} self the scope for the web worker
+     */
+
+    var TransmuxerWorker = function TransmuxerWorker(self) {
+      self.onmessage = function (event) {
+        if (event.data.action === 'init' && event.data.options) {
+          this.messageHandlers = new MessageHandlers(self, event.data.options);
+          return;
+        }
+
+        if (!this.messageHandlers) {
+          this.messageHandlers = new MessageHandlers(self);
+        }
+
+        if (event.data && event.data.action && event.data.action !== 'init') {
+          if (this.messageHandlers[event.data.action]) {
+            this.messageHandlers[event.data.action](event.data);
+          }
+        }
+      };
+    };
+
+    var transmuxerWorker = new TransmuxerWorker(self);
+
+    return transmuxerWorker;
+  }();
+});
+
+/**
+ * @file - codecs.js - Handles tasks regarding codec strings such as translating them to
+ * codec strings, or translating codec strings into objects that can be examined.
+ */
+
+// Default codec parameters if none were provided for video and/or audio
+var defaultCodecs = {
+  videoCodec: 'avc1',
+  videoObjectTypeIndicator: '.4d400d',
+  // AAC-LC
+  audioProfile: '2'
+};
+
+/**
+ * Replace the old apple-style `avc1.<dd>.<dd>` codec string with the standard
+ * `avc1.<hhhhhh>`
+ *
+ * @param {Array} codecs an array of codec strings to fix
+ * @return {Array} the translated codec array
+ * @private
+ */
+var translateLegacyCodecs = function translateLegacyCodecs(codecs) {
+  return codecs.map(function (codec) {
+    return codec.replace(/avc1\.(\d+)\.(\d+)/i, function (orig, profile, avcLevel) {
+      var profileHex = ('00' + Number(profile).toString(16)).slice(-2);
+      var avcLevelHex = ('00' + Number(avcLevel).toString(16)).slice(-2);
+
+      return 'avc1.' + profileHex + '00' + avcLevelHex;
+    });
+  });
+};
+
+/**
+ * Parses a codec string to retrieve the number of codecs specified,
+ * the video codec and object type indicator, and the audio profile.
+ */
+
+var parseCodecs = function parseCodecs() {
+  var codecs = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
+
+  var result = {
+    codecCount: 0
+  };
+  var parsed = void 0;
+
+  result.codecCount = codecs.split(',').length;
+  result.codecCount = result.codecCount || 2;
+
+  // parse the video codec
+  parsed = /(^|\s|,)+(avc[13])([^ ,]*)/i.exec(codecs);
+  if (parsed) {
+    result.videoCodec = parsed[2];
+    result.videoObjectTypeIndicator = parsed[3];
+  }
+
+  // parse the last field of the audio codec
+  result.audioProfile = /(^|\s|,)+mp4a.[0-9A-Fa-f]+\.([0-9A-Fa-f]+)/i.exec(codecs);
+  result.audioProfile = result.audioProfile && result.audioProfile[2];
+
+  return result;
+};
+
+/**
+ * Replace codecs in the codec string with the old apple-style `avc1.<dd>.<dd>` to the
+ * standard `avc1.<hhhhhh>`.
+ *
+ * @param codecString {String} the codec string
+ * @return {String} the codec string with old apple-style codecs replaced
+ *
+ * @private
+ */
+var mapLegacyAvcCodecs = function mapLegacyAvcCodecs(codecString) {
+  return codecString.replace(/avc1\.(\d+)\.(\d+)/i, function (match) {
+    return translateLegacyCodecs([match])[0];
+  });
+};
+
+/**
+ * Build a media mime-type string from a set of parameters
+ * @param {String} type either 'audio' or 'video'
+ * @param {String} container either 'mp2t' or 'mp4'
+ * @param {Array} codecs an array of codec strings to add
+ * @return {String} a valid media mime-type
+ */
+var makeMimeTypeString = function makeMimeTypeString(type, container, codecs) {
+  // The codecs array is filtered so that falsey values are
+  // dropped and don't cause Array#join to create spurious
+  // commas
+  return type + '/' + container + '; codecs="' + codecs.filter(function (c) {
+    return !!c;
+  }).join(', ') + '"';
+};
+
+/**
+ * Returns the type container based on information in the playlist
+ * @param {Playlist} media the current media playlist
+ * @return {String} a valid media container type
+ */
+var getContainerType = function getContainerType(media) {
+  // An initialization segment means the media playlist is an iframe
+  // playlist or is using the mp4 container. We don't currently
+  // support iframe playlists, so assume this is signalling mp4
+  // fragments.
+  if (media.segments && media.segments.length && media.segments[0].map) {
+    return 'mp4';
+  }
+  return 'mp2t';
+};
+
+/**
+ * Returns a set of codec strings parsed from the playlist or the default
+ * codec strings if no codecs were specified in the playlist
+ * @param {Playlist} media the current media playlist
+ * @return {Object} an object with the video and audio codecs
+ */
+var getCodecs = function getCodecs(media) {
+  // if the codecs were explicitly specified, use them instead of the
+  // defaults
+  var mediaAttributes = media.attributes || {};
+
+  if (mediaAttributes.CODECS) {
+    return parseCodecs(mediaAttributes.CODECS);
+  }
+  return defaultCodecs;
+};
+
+var audioProfileFromDefault = function audioProfileFromDefault(master, audioGroupId) {
+  if (!master.mediaGroups.AUDIO || !audioGroupId) {
+    return null;
+  }
+
+  var audioGroup = master.mediaGroups.AUDIO[audioGroupId];
+
+  if (!audioGroup) {
+    return null;
+  }
+
+  for (var name in audioGroup) {
+    var audioType = audioGroup[name];
+
+    if (audioType.default && audioType.playlists) {
+      // codec should be the same for all playlists within the audio type
+      return parseCodecs(audioType.playlists[0].attributes.CODECS).audioProfile;
+    }
+  }
+
+  return null;
+};
+
+/**
+ * Calculates the MIME type strings for a working configuration of
+ * SourceBuffers to play variant streams in a master playlist. If
+ * there is no possible working configuration, an empty array will be
+ * returned.
+ *
+ * @param master {Object} the m3u8 object for the master playlist
+ * @param media {Object} the m3u8 object for the variant playlist
+ * @return {Array} the MIME type strings. If the array has more than
+ * one entry, the first element should be applied to the video
+ * SourceBuffer and the second to the audio SourceBuffer.
+ *
+ * @private
+ */
+var mimeTypesForPlaylist = function mimeTypesForPlaylist(master, media) {
+  var containerType = getContainerType(media);
+  var codecInfo = getCodecs(media);
+  var mediaAttributes = media.attributes || {};
+  // Default condition for a traditional HLS (no demuxed audio/video)
+  var isMuxed = true;
+  var isMaat = false;
+
+  if (!media) {
+    // Not enough information
+    return [];
+  }
+
+  if (master.mediaGroups.AUDIO && mediaAttributes.AUDIO) {
+    var audioGroup = master.mediaGroups.AUDIO[mediaAttributes.AUDIO];
+
+    // Handle the case where we are in a multiple-audio track scenario
+    if (audioGroup) {
+      isMaat = true;
+      // Start with the everything demuxed then...
+      isMuxed = false;
+      // ...check to see if any audio group tracks are muxed (ie. lacking a uri)
+      for (var groupId in audioGroup) {
+        // either a uri is present (if the case of HLS and an external playlist), or
+        // playlists is present (in the case of DASH where we don't have external audio
+        // playlists)
+        if (!audioGroup[groupId].uri && !audioGroup[groupId].playlists) {
+          isMuxed = true;
+          break;
+        }
+      }
+    }
+  }
+
+  // HLS with multiple-audio tracks must always get an audio codec.
+  // Put another way, there is no way to have a video-only multiple-audio HLS!
+  if (isMaat && !codecInfo.audioProfile) {
+    if (!isMuxed) {
+      // It is possible for codecs to be specified on the audio media group playlist but
+      // not on the rendition playlist. This is mostly the case for DASH, where audio and
+      // video are always separate (and separately specified).
+      codecInfo.audioProfile = audioProfileFromDefault(master, mediaAttributes.AUDIO);
+    }
+
+    if (!codecInfo.audioProfile) {
+      videojs$1.log.warn('Multiple audio tracks present but no audio codec string is specified. ' + 'Attempting to use the default audio codec (mp4a.40.2)');
+      codecInfo.audioProfile = defaultCodecs.audioProfile;
+    }
+  }
+
+  // Generate the final codec strings from the codec object generated above
+  var codecStrings = {};
+
+  if (codecInfo.videoCodec) {
+    codecStrings.video = '' + codecInfo.videoCodec + codecInfo.videoObjectTypeIndicator;
+  }
+
+  if (codecInfo.audioProfile) {
+    codecStrings.audio = 'mp4a.40.' + codecInfo.audioProfile;
+  }
+
+  // Finally, make and return an array with proper mime-types depending on
+  // the configuration
+  var justAudio = makeMimeTypeString('audio', containerType, [codecStrings.audio]);
+  var justVideo = makeMimeTypeString('video', containerType, [codecStrings.video]);
+  var bothVideoAudio = makeMimeTypeString('video', containerType, [codecStrings.video, codecStrings.audio]);
+
+  if (isMaat) {
+    if (!isMuxed && codecStrings.video) {
+      return [justVideo, justAudio];
+    }
+
+    if (!isMuxed && !codecStrings.video) {
+      // There is no muxed content and no video codec string, so this is an audio only
+      // stream with alternate audio.
+      return [justAudio, justAudio];
+    }
+
+    // There exists the possiblity that this will return a `video/container`
+    // mime-type for the first entry in the array even when there is only audio.
+    // This doesn't appear to be a problem and simplifies the code.
+    return [bothVideoAudio, justAudio];
+  }
+
+  // If there is no video codec at all, always just return a single
+  // audio/<container> mime-type
+  if (!codecStrings.video) {
+    return [justAudio];
+  }
+
+  // When not using separate audio media groups, audio and video is
+  // *always* muxed
+  return [bothVideoAudio];
+};
+
+/**
+ * Parse a content type header into a type and parameters
+ * object
+ *
+ * @param {String} type the content type header
+ * @return {Object} the parsed content-type
+ * @private
+ */
+var parseContentType = function parseContentType(type) {
+  var object = { type: '', parameters: {} };
+  var parameters = type.trim().split(';');
+
+  // first parameter should always be content-type
+  object.type = parameters.shift().trim();
+  parameters.forEach(function (parameter) {
+    var pair = parameter.trim().split('=');
+
+    if (pair.length > 1) {
+      var name = pair[0].replace(/"/g, '').trim();
+      var value = pair[1].replace(/"/g, '').trim();
+
+      object.parameters[name] = value;
+    }
+  });
+
+  return object;
+};
+
+/**
+ * Check if a codec string refers to an audio codec.
+ *
+ * @param {String} codec codec string to check
+ * @return {Boolean} if this is an audio codec
+ * @private
+ */
+var isAudioCodec = function isAudioCodec(codec) {
+  return (/mp4a\.\d+.\d+/i.test(codec)
+  );
+};
+
+/**
+ * Check if a codec string refers to a video codec.
+ *
+ * @param {String} codec codec string to check
+ * @return {Boolean} if this is a video codec
+ * @private
+ */
+var isVideoCodec = function isVideoCodec(codec) {
+  return (/avc1\.[\da-f]+/i.test(codec)
+  );
+};
+
+/**
+ * Returns a list of gops in the buffer that have a pts value of 3 seconds or more in
+ * front of current time.
+ *
+ * @param {Array} buffer
+ *        The current buffer of gop information
+ * @param {Number} currentTime
+ *        The current time
+ * @param {Double} mapping
+ *        Offset to map display time to stream presentation time
+ * @return {Array}
+ *         List of gops considered safe to append over
+ */
+var gopsSafeToAlignWith = function gopsSafeToAlignWith(buffer, currentTime, mapping) {
+  if (typeof currentTime === 'undefined' || currentTime === null || !buffer.length) {
+    return [];
+  }
+
+  // pts value for current time + 3 seconds to give a bit more wiggle room
+  var currentTimePts = Math.ceil((currentTime - mapping + 3) * 90000);
+
+  var i = void 0;
+
+  for (i = 0; i < buffer.length; i++) {
+    if (buffer[i].pts > currentTimePts) {
+      break;
+    }
+  }
+
+  return buffer.slice(i);
+};
+
+/**
+ * Appends gop information (timing and byteLength) received by the transmuxer for the
+ * gops appended in the last call to appendBuffer
+ *
+ * @param {Array} buffer
+ *        The current buffer of gop information
+ * @param {Array} gops
+ *        List of new gop information
+ * @param {boolean} replace
+ *        If true, replace the buffer with the new gop information. If false, append the
+ *        new gop information to the buffer in the right location of time.
+ * @return {Array}
+ *         Updated list of gop information
+ */
+var updateGopBuffer = function updateGopBuffer(buffer, gops, replace) {
+  if (!gops.length) {
+    return buffer;
+  }
+
+  if (replace) {
+    // If we are in safe append mode, then completely overwrite the gop buffer
+    // with the most recent appeneded data. This will make sure that when appending
+    // future segments, we only try to align with gops that are both ahead of current
+    // time and in the last segment appended.
+    return gops.slice();
+  }
+
+  var start = gops[0].pts;
+
+  var i = 0;
+
+  for (i; i < buffer.length; i++) {
+    if (buffer[i].pts >= start) {
+      break;
+    }
+  }
+
+  return buffer.slice(0, i).concat(gops);
+};
+
+/**
+ * Removes gop information in buffer that overlaps with provided start and end
+ *
+ * @param {Array} buffer
+ *        The current buffer of gop information
+ * @param {Double} start
+ *        position to start the remove at
+ * @param {Double} end
+ *        position to end the remove at
+ * @param {Double} mapping
+ *        Offset to map display time to stream presentation time
+ */
+var removeGopBuffer = function removeGopBuffer(buffer, start, end, mapping) {
+  var startPts = Math.ceil((start - mapping) * 90000);
+  var endPts = Math.ceil((end - mapping) * 90000);
+  var updatedBuffer = buffer.slice();
+
+  var i = buffer.length;
+
+  while (i--) {
+    if (buffer[i].pts <= endPts) {
+      break;
+    }
+  }
+
+  if (i === -1) {
+    // no removal because end of remove range is before start of buffer
+    return updatedBuffer;
+  }
+
+  var j = i + 1;
+
+  while (j--) {
+    if (buffer[j].pts <= startPts) {
+      break;
+    }
+  }
+
+  // clamp remove range start to 0 index
+  j = Math.max(j, 0);
+
+  updatedBuffer.splice(j, i - j + 1);
+
+  return updatedBuffer;
+};
+
+var buffered = function buffered(videoBuffer, audioBuffer, audioDisabled) {
+  var start = null;
+  var end = null;
+  var arity = 0;
+  var extents = [];
+  var ranges = [];
+
+  // neither buffer has been created yet
+  if (!videoBuffer && !audioBuffer) {
+    return videojs$1.createTimeRange();
+  }
+
+  // only one buffer is configured
+  if (!videoBuffer) {
+    return audioBuffer.buffered;
+  }
+  if (!audioBuffer) {
+    return videoBuffer.buffered;
+  }
+
+  // both buffers are configured
+  if (audioDisabled) {
+    return videoBuffer.buffered;
+  }
+
+  // both buffers are empty
+  if (videoBuffer.buffered.length === 0 && audioBuffer.buffered.length === 0) {
+    return videojs$1.createTimeRange();
+  }
+
+  // Handle the case where we have both buffers and create an
+  // intersection of the two
+  var videoBuffered = videoBuffer.buffered;
+  var audioBuffered = audioBuffer.buffered;
+  var count = videoBuffered.length;
+
+  // A) Gather up all start and end times
+  while (count--) {
+    extents.push({ time: videoBuffered.start(count), type: 'start' });
+    extents.push({ time: videoBuffered.end(count), type: 'end' });
+  }
+  count = audioBuffered.length;
+  while (count--) {
+    extents.push({ time: audioBuffered.start(count), type: 'start' });
+    extents.push({ time: audioBuffered.end(count), type: 'end' });
+  }
+  // B) Sort them by time
+  extents.sort(function (a, b) {
+    return a.time - b.time;
+  });
+
+  // C) Go along one by one incrementing arity for start and decrementing
+  //    arity for ends
+  for (count = 0; count < extents.length; count++) {
+    if (extents[count].type === 'start') {
+      arity++;
+
+      // D) If arity is ever incremented to 2 we are entering an
+      //    overlapping range
+      if (arity === 2) {
+        start = extents[count].time;
+      }
+    } else if (extents[count].type === 'end') {
+      arity--;
+
+      // E) If arity is ever decremented to 1 we leaving an
+      //    overlapping range
+      if (arity === 1) {
+        end = extents[count].time;
+      }
+    }
+
+    // F) Record overlapping ranges
+    if (start !== null && end !== null) {
+      ranges.push([start, end]);
+      start = null;
+      end = null;
+    }
+  }
+
+  return videojs$1.createTimeRanges(ranges);
+};
+
+/**
+ * @file virtual-source-buffer.js
+ */
+
+// We create a wrapper around the SourceBuffer so that we can manage the
+// state of the `updating` property manually. We have to do this because
+// Firefox changes `updating` to false long before triggering `updateend`
+// events and that was causing strange problems in videojs-contrib-hls
+var makeWrappedSourceBuffer = function makeWrappedSourceBuffer(mediaSource, mimeType) {
+  var sourceBuffer = mediaSource.addSourceBuffer(mimeType);
+  var wrapper = Object.create(null);
+
+  wrapper.updating = false;
+  wrapper.realBuffer_ = sourceBuffer;
+
+  var _loop = function _loop(key) {
+    if (typeof sourceBuffer[key] === 'function') {
+      wrapper[key] = function () {
+        return sourceBuffer[key].apply(sourceBuffer, arguments);
+      };
+    } else if (typeof wrapper[key] === 'undefined') {
+      Object.defineProperty(wrapper, key, {
+        get: function get$$1() {
+          return sourceBuffer[key];
+        },
+        set: function set$$1(v) {
+          return sourceBuffer[key] = v;
+        }
+      });
+    }
+  };
+
+  for (var key in sourceBuffer) {
+    _loop(key);
+  }
+
+  return wrapper;
+};
+
+/**
+ * VirtualSourceBuffers exist so that we can transmux non native formats
+ * into a native format, but keep the same api as a native source buffer.
+ * It creates a transmuxer, that works in its own thread (a web worker) and
+ * that transmuxer muxes the data into a native format. VirtualSourceBuffer will
+ * then send all of that data to the naive sourcebuffer so that it is
+ * indestinguishable from a natively supported format.
+ *
+ * @param {HtmlMediaSource} mediaSource the parent mediaSource
+ * @param {Array} codecs array of codecs that we will be dealing with
+ * @class VirtualSourceBuffer
+ * @extends video.js.EventTarget
+ */
+
+var VirtualSourceBuffer = function (_videojs$EventTarget) {
+  inherits$1(VirtualSourceBuffer, _videojs$EventTarget);
+
+  function VirtualSourceBuffer(mediaSource, codecs) {
+    classCallCheck$1(this, VirtualSourceBuffer);
+
+    var _this = possibleConstructorReturn$1(this, (VirtualSourceBuffer.__proto__ || Object.getPrototypeOf(VirtualSourceBuffer)).call(this, videojs$1.EventTarget));
+
+    _this.timestampOffset_ = 0;
+    _this.pendingBuffers_ = [];
+    _this.bufferUpdating_ = false;
+
+    _this.mediaSource_ = mediaSource;
+    _this.codecs_ = codecs;
+    _this.audioCodec_ = null;
+    _this.videoCodec_ = null;
+    _this.audioDisabled_ = false;
+    _this.appendAudioInitSegment_ = true;
+    _this.gopBuffer_ = [];
+    _this.timeMapping_ = 0;
+    _this.safeAppend_ = videojs$1.browser.IE_VERSION >= 11;
+
+    var options = {
+      remux: false,
+      alignGopsAtEnd: _this.safeAppend_
+    };
+
+    _this.codecs_.forEach(function (codec) {
+      if (isAudioCodec(codec)) {
+        _this.audioCodec_ = codec;
+      } else if (isVideoCodec(codec)) {
+        _this.videoCodec_ = codec;
+      }
+    });
+
+    // append muxed segments to their respective native buffers as
+    // soon as they are available
+    _this.transmuxer_ = new TransmuxWorker();
+    _this.transmuxer_.postMessage({ action: 'init', options: options });
+
+    _this.transmuxer_.onmessage = function (event) {
+      if (event.data.action === 'data') {
+        return _this.data_(event);
+      }
+
+      if (event.data.action === 'done') {
+        return _this.done_(event);
+      }
+
+      if (event.data.action === 'gopInfo') {
+        return _this.appendGopInfo_(event);
+      }
+    };
+
+    // this timestampOffset is a property with the side-effect of resetting
+    // baseMediaDecodeTime in the transmuxer on the setter
+    Object.defineProperty(_this, 'timestampOffset', {
+      get: function get$$1() {
+        return this.timestampOffset_;
+      },
+      set: function set$$1(val) {
+        if (typeof val === 'number' && val >= 0) {
+          this.timestampOffset_ = val;
+          this.appendAudioInitSegment_ = true;
+
+          // reset gop buffer on timestampoffset as this signals a change in timeline
+          this.gopBuffer_.length = 0;
+          this.timeMapping_ = 0;
+
+          // We have to tell the transmuxer to set the baseMediaDecodeTime to
+          // the desired timestampOffset for the next segment
+          this.transmuxer_.postMessage({
+            action: 'setTimestampOffset',
+            timestampOffset: val
+          });
+        }
+      }
+    });
+
+    // setting the append window affects both source buffers
+    Object.defineProperty(_this, 'appendWindowStart', {
+      get: function get$$1() {
+        return (this.videoBuffer_ || this.audioBuffer_).appendWindowStart;
+      },
+      set: function set$$1(start) {
+        if (this.videoBuffer_) {
+          this.videoBuffer_.appendWindowStart = start;
+        }
+        if (this.audioBuffer_) {
+          this.audioBuffer_.appendWindowStart = start;
+        }
+      }
+    });
+
+    // this buffer is "updating" if either of its native buffers are
+    Object.defineProperty(_this, 'updating', {
+      get: function get$$1() {
+        return !!(this.bufferUpdating_ || !this.audioDisabled_ && this.audioBuffer_ && this.audioBuffer_.updating || this.videoBuffer_ && this.videoBuffer_.updating);
+      }
+    });
+
+    // the buffered property is the intersection of the buffered
+    // ranges of the native source buffers
+    Object.defineProperty(_this, 'buffered', {
+      get: function get$$1() {
+        return buffered(this.videoBuffer_, this.audioBuffer_, this.audioDisabled_);
+      }
+    });
+    return _this;
+  }
+
+  /**
+   * When we get a data event from the transmuxer
+   * we call this function and handle the data that
+   * was sent to us
+   *
+   * @private
+   * @param {Event} event the data event from the transmuxer
+   */
+
+  createClass$1(VirtualSourceBuffer, [{
+    key: 'data_',
+    value: function data_(event) {
+      var segment = event.data.segment;
+
+      // Cast ArrayBuffer to TypedArray
+      segment.data = new Uint8Array(segment.data, event.data.byteOffset, event.data.byteLength);
+
+      segment.initSegment = new Uint8Array(segment.initSegment.data, segment.initSegment.byteOffset, segment.initSegment.byteLength);
+
+      createTextTracksIfNecessary(this, this.mediaSource_, segment);
+
+      // Add the segments to the pendingBuffers array
+      this.pendingBuffers_.push(segment);
+      return;
+    }
+
+    /**
+     * When we get a done event from the transmuxer
+     * we call this function and we process all
+     * of the pending data that we have been saving in the
+     * data_ function
+     *
+     * @private
+     * @param {Event} event the done event from the transmuxer
+     */
+
+  }, {
+    key: 'done_',
+    value: function done_(event) {
+      // Don't process and append data if the mediaSource is closed
+      if (this.mediaSource_.readyState === 'closed') {
+        this.pendingBuffers_.length = 0;
+        return;
+      }
+
+      // All buffers should have been flushed from the muxer
+      // start processing anything we have received
+      this.processPendingSegments_();
+      return;
+    }
+
+    /**
+     * Create our internal native audio/video source buffers and add
+     * event handlers to them with the following conditions:
+     * 1. they do not already exist on the mediaSource
+     * 2. this VSB has a codec for them
+     *
+     * @private
+     */
+
+  }, {
+    key: 'createRealSourceBuffers_',
+    value: function createRealSourceBuffers_() {
+      var _this2 = this;
+
+      var types = ['audio', 'video'];
+
+      types.forEach(function (type) {
+        // Don't create a SourceBuffer of this type if we don't have a
+        // codec for it
+        if (!_this2[type + 'Codec_']) {
+          return;
+        }
+
+        // Do nothing if a SourceBuffer of this type already exists
+        if (_this2[type + 'Buffer_']) {
+          return;
+        }
+
+        var buffer = null;
+
+        // If the mediasource already has a SourceBuffer for the codec
+        // use that
+        if (_this2.mediaSource_[type + 'Buffer_']) {
+          buffer = _this2.mediaSource_[type + 'Buffer_'];
+          // In multiple audio track cases, the audio source buffer is disabled
+          // on the main VirtualSourceBuffer by the HTMLMediaSource much earlier
+          // than createRealSourceBuffers_ is called to create the second
+          // VirtualSourceBuffer because that happens as a side-effect of
+          // videojs-contrib-hls starting the audioSegmentLoader. As a result,
+          // the audioBuffer is essentially "ownerless" and no one will toggle
+          // the `updating` state back to false once the `updateend` event is received
+          //
+          // Setting `updating` to false manually will work around this
+          // situation and allow work to continue
+          buffer.updating = false;
+        } else {
+          var codecProperty = type + 'Codec_';
+          var mimeType = type + '/mp4;codecs="' + _this2[codecProperty] + '"';
+
+          buffer = makeWrappedSourceBuffer(_this2.mediaSource_.nativeMediaSource_, mimeType);
+
+          _this2.mediaSource_[type + 'Buffer_'] = buffer;
+        }
+
+        _this2[type + 'Buffer_'] = buffer;
+
+        // Wire up the events to the SourceBuffer
+        ['update', 'updatestart', 'updateend'].forEach(function (event) {
+          buffer.addEventListener(event, function () {
+            // if audio is disabled
+            if (type === 'audio' && _this2.audioDisabled_) {
+              return;
+            }
+
+            if (event === 'updateend') {
+              _this2[type + 'Buffer_'].updating = false;
+            }
+
+            var shouldTrigger = types.every(function (t) {
+              // skip checking audio's updating status if audio
+              // is not enabled
+              if (t === 'audio' && _this2.audioDisabled_) {
+                return true;
+              }
+              // if the other type if updating we don't trigger
+              if (type !== t && _this2[t + 'Buffer_'] && _this2[t + 'Buffer_'].updating) {
+                return false;
+              }
+              return true;
+            });
+
+            if (shouldTrigger) {
+              return _this2.trigger(event);
+            }
+          });
+        });
+      });
+    }
+
+    /**
+     * Emulate the native mediasource function, but our function will
+     * send all of the proposed segments to the transmuxer so that we
+     * can transmux them before we append them to our internal
+     * native source buffers in the correct format.
+     *
+     * @link https://developer.mozilla.org/en-US/docs/Web/API/SourceBuffer/appendBuffer
+     * @param {Uint8Array} segment the segment to append to the buffer
+     */
+
+  }, {
+    key: 'appendBuffer',
+    value: function appendBuffer(segment) {
+      // Start the internal "updating" state
+      this.bufferUpdating_ = true;
+
+      if (this.audioBuffer_ && this.audioBuffer_.buffered.length) {
+        var audioBuffered = this.audioBuffer_.buffered;
+
+        this.transmuxer_.postMessage({
+          action: 'setAudioAppendStart',
+          appendStart: audioBuffered.end(audioBuffered.length - 1)
+        });
+      }
+
+      if (this.videoBuffer_) {
+        this.transmuxer_.postMessage({
+          action: 'alignGopsWith',
+          gopsToAlignWith: gopsSafeToAlignWith(this.gopBuffer_, this.mediaSource_.player_ ? this.mediaSource_.player_.currentTime() : null, this.timeMapping_)
+        });
+      }
+
+      this.transmuxer_.postMessage({
+        action: 'push',
+        // Send the typed-array of data as an ArrayBuffer so that
+        // it can be sent as a "Transferable" and avoid the costly
+        // memory copy
+        data: segment.buffer,
+
+        // To recreate the original typed-array, we need information
+        // about what portion of the ArrayBuffer it was a view into
+        byteOffset: segment.byteOffset,
+        byteLength: segment.byteLength
+      }, [segment.buffer]);
+      this.transmuxer_.postMessage({ action: 'flush' });
+    }
+
+    /**
+     * Appends gop information (timing and byteLength) received by the transmuxer for the
+     * gops appended in the last call to appendBuffer
+     *
+     * @param {Event} event
+     *        The gopInfo event from the transmuxer
+     * @param {Array} event.data.gopInfo
+     *        List of gop info to append
+     */
+
+  }, {
+    key: 'appendGopInfo_',
+    value: function appendGopInfo_(event) {
+      this.gopBuffer_ = updateGopBuffer(this.gopBuffer_, event.data.gopInfo, this.safeAppend_);
+    }
+
+    /**
+     * Emulate the native mediasource function and remove parts
+     * of the buffer from any of our internal buffers that exist
+     *
+     * @link https://developer.mozilla.org/en-US/docs/Web/API/SourceBuffer/remove
+     * @param {Double} start position to start the remove at
+     * @param {Double} end position to end the remove at
+     */
+
+  }, {
+    key: 'remove',
+    value: function remove(start, end) {
+      if (this.videoBuffer_) {
+        this.videoBuffer_.updating = true;
+        this.videoBuffer_.remove(start, end);
+        this.gopBuffer_ = removeGopBuffer(this.gopBuffer_, start, end, this.timeMapping_);
+      }
+      if (!this.audioDisabled_ && this.audioBuffer_) {
+        this.audioBuffer_.updating = true;
+        this.audioBuffer_.remove(start, end);
+      }
+
+      // Remove Metadata Cues (id3)
+      removeCuesFromTrack(start, end, this.metadataTrack_);
+
+      // Remove Any Captions
+      if (this.inbandTextTracks_) {
+        for (var track in this.inbandTextTracks_) {
+          removeCuesFromTrack(start, end, this.inbandTextTracks_[track]);
+        }
+      }
+    }
+
+    /**
+     * Process any segments that the muxer has output
+     * Concatenate segments together based on type and append them into
+     * their respective sourceBuffers
+     *
+     * @private
+     */
+
+  }, {
+    key: 'processPendingSegments_',
+    value: function processPendingSegments_() {
+      var sortedSegments = {
+        video: {
+          segments: [],
+          bytes: 0
+        },
+        audio: {
+          segments: [],
+          bytes: 0
+        },
+        captions: [],
+        metadata: []
+      };
+
+      // Sort segments into separate video/audio arrays and
+      // keep track of their total byte lengths
+      sortedSegments = this.pendingBuffers_.reduce(function (segmentObj, segment) {
+        var type = segment.type;
+        var data = segment.data;
+        var initSegment = segment.initSegment;
+
+        segmentObj[type].segments.push(data);
+        segmentObj[type].bytes += data.byteLength;
+
+        segmentObj[type].initSegment = initSegment;
+
+        // Gather any captions into a single array
+        if (segment.captions) {
+          segmentObj.captions = segmentObj.captions.concat(segment.captions);
+        }
+
+        if (segment.info) {
+          segmentObj[type].info = segment.info;
+        }
+
+        // Gather any metadata into a single array
+        if (segment.metadata) {
+          segmentObj.metadata = segmentObj.metadata.concat(segment.metadata);
+        }
+
+        return segmentObj;
+      }, sortedSegments);
+
+      // Create the real source buffers if they don't exist by now since we
+      // finally are sure what tracks are contained in the source
+      if (!this.videoBuffer_ && !this.audioBuffer_) {
+        // Remove any codecs that may have been specified by default but
+        // are no longer applicable now
+        if (sortedSegments.video.bytes === 0) {
+          this.videoCodec_ = null;
+        }
+        if (sortedSegments.audio.bytes === 0) {
+          this.audioCodec_ = null;
+        }
+
+        this.createRealSourceBuffers_();
+      }
+
+      if (sortedSegments.audio.info) {
+        this.mediaSource_.trigger({ type: 'audioinfo', info: sortedSegments.audio.info });
+      }
+      if (sortedSegments.video.info) {
+        this.mediaSource_.trigger({ type: 'videoinfo', info: sortedSegments.video.info });
+      }
+
+      if (this.appendAudioInitSegment_) {
+        if (!this.audioDisabled_ && this.audioBuffer_) {
+          sortedSegments.audio.segments.unshift(sortedSegments.audio.initSegment);
+          sortedSegments.audio.bytes += sortedSegments.audio.initSegment.byteLength;
+        }
+        this.appendAudioInitSegment_ = false;
+      }
+
+      var triggerUpdateend = false;
+
+      // Merge multiple video and audio segments into one and append
+      if (this.videoBuffer_ && sortedSegments.video.bytes) {
+        sortedSegments.video.segments.unshift(sortedSegments.video.initSegment);
+        sortedSegments.video.bytes += sortedSegments.video.initSegment.byteLength;
+        this.concatAndAppendSegments_(sortedSegments.video, this.videoBuffer_);
+        // TODO: are video tracks the only ones with text tracks?
+        addTextTrackData(this, sortedSegments.captions, sortedSegments.metadata);
+      } else if (this.videoBuffer_ && (this.audioDisabled_ || !this.audioBuffer_)) {
+        // The transmuxer did not return any bytes of video, meaning it was all trimmed
+        // for gop alignment. Since we have a video buffer and audio is disabled, updateend
+        // will never be triggered by this source buffer, which will cause contrib-hls
+        // to be stuck forever waiting for updateend. If audio is not disabled, updateend
+        // will be triggered by the audio buffer, which will be sent upwards since the video
+        // buffer will not be in an updating state.
+        triggerUpdateend = true;
+      }
+
+      if (!this.audioDisabled_ && this.audioBuffer_) {
+        this.concatAndAppendSegments_(sortedSegments.audio, this.audioBuffer_);
+      }
+
+      this.pendingBuffers_.length = 0;
+
+      if (triggerUpdateend) {
+        this.trigger('updateend');
+      }
+
+      // We are no longer in the internal "updating" state
+      this.bufferUpdating_ = false;
+    }
+
+    /**
+     * Combine all segments into a single Uint8Array and then append them
+     * to the destination buffer
+     *
+     * @param {Object} segmentObj
+     * @param {SourceBuffer} destinationBuffer native source buffer to append data to
+     * @private
+     */
+
+  }, {
+    key: 'concatAndAppendSegments_',
+    value: function concatAndAppendSegments_(segmentObj, destinationBuffer) {
+      var offset = 0;
+      var tempBuffer = void 0;
+
+      if (segmentObj.bytes) {
+        tempBuffer = new Uint8Array(segmentObj.bytes);
+
+        // Combine the individual segments into one large typed-array
+        segmentObj.segments.forEach(function (segment) {
+          tempBuffer.set(segment, offset);
+          offset += segment.byteLength;
+        });
+
+        try {
+          destinationBuffer.updating = true;
+          destinationBuffer.appendBuffer(tempBuffer);
+        } catch (error) {
+          if (this.mediaSource_.player_) {
+            this.mediaSource_.player_.error({
+              code: -3,
+              type: 'APPEND_BUFFER_ERR',
+              message: error.message,
+              originalError: error
+            });
+          }
+        }
+      }
+    }
+
+    /**
+     * Emulate the native mediasource function. abort any soureBuffer
+     * actions and throw out any un-appended data.
+     *
+     * @link https://developer.mozilla.org/en-US/docs/Web/API/SourceBuffer/abort
+     */
+
+  }, {
+    key: 'abort',
+    value: function abort() {
+      if (this.videoBuffer_) {
+        this.videoBuffer_.abort();
+      }
+      if (!this.audioDisabled_ && this.audioBuffer_) {
+        this.audioBuffer_.abort();
+      }
+      if (this.transmuxer_) {
+        this.transmuxer_.postMessage({ action: 'reset' });
+      }
+      this.pendingBuffers_.length = 0;
+      this.bufferUpdating_ = false;
+    }
+  }]);
+  return VirtualSourceBuffer;
+}(videojs$1.EventTarget);
+
+/**
+ * @file html-media-source.js
+ */
+
+/**
+ * Our MediaSource implementation in HTML, mimics native
+ * MediaSource where/if possible.
+ *
+ * @link https://developer.mozilla.org/en-US/docs/Web/API/MediaSource
+ * @class HtmlMediaSource
+ * @extends videojs.EventTarget
+ */
+
+var HtmlMediaSource = function (_videojs$EventTarget) {
+  inherits$1(HtmlMediaSource, _videojs$EventTarget);
+
+  function HtmlMediaSource() {
+    classCallCheck$1(this, HtmlMediaSource);
+
+    var _this = possibleConstructorReturn$1(this, (HtmlMediaSource.__proto__ || Object.getPrototypeOf(HtmlMediaSource)).call(this));
+
+    var property = void 0;
+
+    _this.nativeMediaSource_ = new window$1.MediaSource();
+    // delegate to the native MediaSource's methods by default
+    for (property in _this.nativeMediaSource_) {
+      if (!(property in HtmlMediaSource.prototype) && typeof _this.nativeMediaSource_[property] === 'function') {
+        _this[property] = _this.nativeMediaSource_[property].bind(_this.nativeMediaSource_);
+      }
+    }
+
+    // emulate `duration` and `seekable` until seeking can be
+    // handled uniformly for live streams
+    // see https://github.com/w3c/media-source/issues/5
+    _this.duration_ = NaN;
+    Object.defineProperty(_this, 'duration', {
+      get: function get$$1() {
+        if (this.duration_ === Infinity) {
+          return this.duration_;
+        }
+        return this.nativeMediaSource_.duration;
+      },
+      set: function set$$1(duration) {
+        this.duration_ = duration;
+        if (duration !== Infinity) {
+          this.nativeMediaSource_.duration = duration;
+          return;
+        }
+      }
+    });
+    Object.defineProperty(_this, 'seekable', {
+      get: function get$$1() {
+        if (this.duration_ === Infinity) {
+          return videojs$1.createTimeRanges([[0, this.nativeMediaSource_.duration]]);
+        }
+        return this.nativeMediaSource_.seekable;
+      }
+    });
+
+    Object.defineProperty(_this, 'readyState', {
+      get: function get$$1() {
+        return this.nativeMediaSource_.readyState;
+      }
+    });
+
+    Object.defineProperty(_this, 'activeSourceBuffers', {
+      get: function get$$1() {
+        return this.activeSourceBuffers_;
+      }
+    });
+
+    // the list of virtual and native SourceBuffers created by this
+    // MediaSource
+    _this.sourceBuffers = [];
+
+    _this.activeSourceBuffers_ = [];
+
+    /**
+     * update the list of active source buffers based upon various
+     * imformation from HLS and video.js
+     *
+     * @private
+     */
+    _this.updateActiveSourceBuffers_ = function () {
+      // Retain the reference but empty the array
+      _this.activeSourceBuffers_.length = 0;
+
+      // If there is only one source buffer, then it will always be active and audio will
+      // be disabled based on the codec of the source buffer
+      if (_this.sourceBuffers.length === 1) {
+        var sourceBuffer = _this.sourceBuffers[0];
+
+        sourceBuffer.appendAudioInitSegment_ = true;
+        sourceBuffer.audioDisabled_ = !sourceBuffer.audioCodec_;
+        _this.activeSourceBuffers_.push(sourceBuffer);
+        return;
+      }
+
+      // There are 2 source buffers, a combined (possibly video only) source buffer and
+      // and an audio only source buffer.
+      // By default, the audio in the combined virtual source buffer is enabled
+      // and the audio-only source buffer (if it exists) is disabled.
+      var disableCombined = false;
+      var disableAudioOnly = true;
+
+      // TODO: maybe we can store the sourcebuffers on the track objects?
+      // safari may do something like this
+      for (var i = 0; i < _this.player_.audioTracks().length; i++) {
+        var track = _this.player_.audioTracks()[i];
+
+        if (track.enabled && track.kind !== 'main') {
+          // The enabled track is an alternate audio track so disable the audio in
+          // the combined source buffer and enable the audio-only source buffer.
+          disableCombined = true;
+          disableAudioOnly = false;
+          break;
+        }
+      }
+
+      _this.sourceBuffers.forEach(function (sourceBuffer, index) {
+        /* eslinst-disable */
+        // TODO once codecs are required, we can switch to using the codecs to determine
+        //      what stream is the video stream, rather than relying on videoTracks
+        /* eslinst-enable */
+
+        sourceBuffer.appendAudioInitSegment_ = true;
+
+        if (sourceBuffer.videoCodec_ && sourceBuffer.audioCodec_) {
+          // combined
+          sourceBuffer.audioDisabled_ = disableCombined;
+        } else if (sourceBuffer.videoCodec_ && !sourceBuffer.audioCodec_) {
+          // If the "combined" source buffer is video only, then we do not want
+          // disable the audio-only source buffer (this is mostly for demuxed
+          // audio and video hls)
+          sourceBuffer.audioDisabled_ = true;
+          disableAudioOnly = false;
+        } else if (!sourceBuffer.videoCodec_ && sourceBuffer.audioCodec_) {
+          // audio only
+          // In the case of audio only with alternate audio and disableAudioOnly is true
+          // this means we want to disable the audio on the alternate audio sourcebuffer
+          // but not the main "combined" source buffer. The "combined" source buffer is
+          // always at index 0, so this ensures audio won't be disabled in both source
+          // buffers.
+          sourceBuffer.audioDisabled_ = index ? disableAudioOnly : !disableAudioOnly;
+          if (sourceBuffer.audioDisabled_) {
+            return;
+          }
+        }
+
+        _this.activeSourceBuffers_.push(sourceBuffer);
+      });
+    };
+
+    _this.onPlayerMediachange_ = function () {
+      _this.sourceBuffers.forEach(function (sourceBuffer) {
+        sourceBuffer.appendAudioInitSegment_ = true;
+      });
+    };
+
+    _this.onHlsReset_ = function () {
+      _this.sourceBuffers.forEach(function (sourceBuffer) {
+        if (sourceBuffer.transmuxer_) {
+          sourceBuffer.transmuxer_.postMessage({ action: 'resetCaptions' });
+        }
+      });
+    };
+
+    _this.onHlsSegmentTimeMapping_ = function (event) {
+      _this.sourceBuffers.forEach(function (buffer) {
+        return buffer.timeMapping_ = event.mapping;
+      });
+    };
+
+    // Re-emit MediaSource events on the polyfill
+    ['sourceopen', 'sourceclose', 'sourceended'].forEach(function (eventName) {
+      this.nativeMediaSource_.addEventListener(eventName, this.trigger.bind(this));
+    }, _this);
+
+    // capture the associated player when the MediaSource is
+    // successfully attached
+    _this.on('sourceopen', function (event) {
+      // Get the player this MediaSource is attached to
+      var video = document.querySelector('[src="' + _this.url_ + '"]');
+
+      if (!video) {
+        return;
+      }
+
+      _this.player_ = videojs$1(video.parentNode);
+
+      // hls-reset is fired by videojs.Hls on to the tech after the main SegmentLoader
+      // resets its state and flushes the buffer
+      _this.player_.tech_.on('hls-reset', _this.onHlsReset_);
+      // hls-segment-time-mapping is fired by videojs.Hls on to the tech after the main
+      // SegmentLoader inspects an MTS segment and has an accurate stream to display
+      // time mapping
+      _this.player_.tech_.on('hls-segment-time-mapping', _this.onHlsSegmentTimeMapping_);
+
+      if (_this.player_.audioTracks && _this.player_.audioTracks()) {
+        _this.player_.audioTracks().on('change', _this.updateActiveSourceBuffers_);
+        _this.player_.audioTracks().on('addtrack', _this.updateActiveSourceBuffers_);
+        _this.player_.audioTracks().on('removetrack', _this.updateActiveSourceBuffers_);
+      }
+
+      _this.player_.on('mediachange', _this.onPlayerMediachange_);
+    });
+
+    _this.on('sourceended', function (event) {
+      var duration = durationOfVideo(_this.duration);
+
+      for (var i = 0; i < _this.sourceBuffers.length; i++) {
+        var sourcebuffer = _this.sourceBuffers[i];
+        var cues = sourcebuffer.metadataTrack_ && sourcebuffer.metadataTrack_.cues;
+
+        if (cues && cues.length) {
+          cues[cues.length - 1].endTime = duration;
+        }
+      }
+    });
+
+    // explicitly terminate any WebWorkers that were created
+    // by SourceHandlers
+    _this.on('sourceclose', function (event) {
+      this.sourceBuffers.forEach(function (sourceBuffer) {
+        if (sourceBuffer.transmuxer_) {
+          sourceBuffer.transmuxer_.terminate();
+        }
+      });
+
+      this.sourceBuffers.length = 0;
+      if (!this.player_) {
+        return;
+      }
+
+      if (this.player_.audioTracks && this.player_.audioTracks()) {
+        this.player_.audioTracks().off('change', this.updateActiveSourceBuffers_);
+        this.player_.audioTracks().off('addtrack', this.updateActiveSourceBuffers_);
+        this.player_.audioTracks().off('removetrack', this.updateActiveSourceBuffers_);
+      }
+
+      // We can only change this if the player hasn't been disposed of yet
+      // because `off` eventually tries to use the el_ property. If it has
+      // been disposed of, then don't worry about it because there are no
+      // event handlers left to unbind anyway
+      if (this.player_.el_) {
+        this.player_.off('mediachange', this.onPlayerMediachange_);
+        this.player_.tech_.off('hls-reset', this.onHlsReset_);
+        this.player_.tech_.off('hls-segment-time-mapping', this.onHlsSegmentTimeMapping_);
+      }
+    });
+    return _this;
+  }
+
+  /**
+   * Add a range that that can now be seeked to.
+   *
+   * @param {Double} start where to start the addition
+   * @param {Double} end where to end the addition
+   * @private
+   */
+
+  createClass$1(HtmlMediaSource, [{
+    key: 'addSeekableRange_',
+    value: function addSeekableRange_(start, end) {
+      var error = void 0;
+
+      if (this.duration !== Infinity) {
+        error = new Error('MediaSource.addSeekableRange() can only be invoked ' + 'when the duration is Infinity');
+        error.name = 'InvalidStateError';
+        error.code = 11;
+        throw error;
+      }
+
+      if (end > this.nativeMediaSource_.duration || isNaN(this.nativeMediaSource_.duration)) {
+        this.nativeMediaSource_.duration = end;
+      }
+    }
+
+    /**
+     * Add a source buffer to the media source.
+     *
+     * @link https://developer.mozilla.org/en-US/docs/Web/API/MediaSource/addSourceBuffer
+     * @param {String} type the content-type of the content
+     * @return {Object} the created source buffer
+     */
+
+  }, {
+    key: 'addSourceBuffer',
+    value: function addSourceBuffer(type) {
+      var buffer = void 0;
+      var parsedType = parseContentType(type);
+
+      // Create a VirtualSourceBuffer to transmux MPEG-2 transport
+      // stream segments into fragmented MP4s
+      if (/^(video|audio)\/mp2t$/i.test(parsedType.type)) {
+        var codecs = [];
+
+        if (parsedType.parameters && parsedType.parameters.codecs) {
+          codecs = parsedType.parameters.codecs.split(',');
+          codecs = translateLegacyCodecs(codecs);
+          codecs = codecs.filter(function (codec) {
+            return isAudioCodec(codec) || isVideoCodec(codec);
+          });
+        }
+
+        if (codecs.length === 0) {
+          codecs = ['avc1.4d400d', 'mp4a.40.2'];
+        }
+
+        buffer = new VirtualSourceBuffer(this, codecs);
+
+        if (this.sourceBuffers.length !== 0) {
+          // If another VirtualSourceBuffer already exists, then we are creating a
+          // SourceBuffer for an alternate audio track and therefore we know that
+          // the source has both an audio and video track.
+          // That means we should trigger the manual creation of the real
+          // SourceBuffers instead of waiting for the transmuxer to return data
+          this.sourceBuffers[0].createRealSourceBuffers_();
+          buffer.createRealSourceBuffers_();
+
+          // Automatically disable the audio on the first source buffer if
+          // a second source buffer is ever created
+          this.sourceBuffers[0].audioDisabled_ = true;
+        }
+      } else {
+        // delegate to the native implementation
+        buffer = this.nativeMediaSource_.addSourceBuffer(type);
+      }
+
+      this.sourceBuffers.push(buffer);
+      return buffer;
+    }
+  }]);
+  return HtmlMediaSource;
+}(videojs$1.EventTarget);
+
+/**
+ * @file videojs-contrib-media-sources.js
+ */
+var urlCount = 0;
+
+// ------------
+// Media Source
+// ------------
+
+// store references to the media sources so they can be connected
+// to a video element (a swf object)
+// TODO: can we store this somewhere local to this module?
+videojs$1.mediaSources = {};
+
+/**
+ * Provide a method for a swf object to notify JS that a
+ * media source is now open.
+ *
+ * @param {String} msObjectURL string referencing the MSE Object URL
+ * @param {String} swfId the swf id
+ */
+var open = function open(msObjectURL, swfId) {
+  var mediaSource = videojs$1.mediaSources[msObjectURL];
+
+  if (mediaSource) {
+    mediaSource.trigger({ type: 'sourceopen', swfId: swfId });
+  } else {
+    throw new Error('Media Source not found (Video.js)');
+  }
+};
+
+/**
+ * Check to see if the native MediaSource object exists and supports
+ * an MP4 container with both H.264 video and AAC-LC audio.
+ *
+ * @return {Boolean} if  native media sources are supported
+ */
+var supportsNativeMediaSources = function supportsNativeMediaSources() {
+  return !!window$1.MediaSource && !!window$1.MediaSource.isTypeSupported && window$1.MediaSource.isTypeSupported('video/mp4;codecs="avc1.4d400d,mp4a.40.2"');
+};
+
+/**
+ * An emulation of the MediaSource API so that we can support
+ * native and non-native functionality. returns an instance of
+ * HtmlMediaSource.
+ *
+ * @link https://developer.mozilla.org/en-US/docs/Web/API/MediaSource/MediaSource
+ */
+var MediaSource = function MediaSource() {
+  this.MediaSource = {
+    open: open,
+    supportsNativeMediaSources: supportsNativeMediaSources
+  };
+
+  if (supportsNativeMediaSources()) {
+    return new HtmlMediaSource();
+  }
+
+  throw new Error('Cannot use create a virtual MediaSource for this video');
+};
+
+MediaSource.open = open;
+MediaSource.supportsNativeMediaSources = supportsNativeMediaSources;
+
+/**
+ * A wrapper around the native URL for our MSE object
+ * implementation, this object is exposed under videojs.URL
+ *
+ * @link https://developer.mozilla.org/en-US/docs/Web/API/URL/URL
+ */
+var URL$1 = {
+  /**
+   * A wrapper around the native createObjectURL for our objects.
+   * This function maps a native or emulated mediaSource to a blob
+   * url so that it can be loaded into video.js
+   *
+   * @link https://developer.mozilla.org/en-US/docs/Web/API/URL/createObjectURL
+   * @param {MediaSource} object the object to create a blob url to
+   */
+  createObjectURL: function createObjectURL(object) {
+    var objectUrlPrefix = 'blob:vjs-media-source/';
+    var url = void 0;
+
+    // use the native MediaSource to generate an object URL
+    if (object instanceof HtmlMediaSource) {
+      url = window$1.URL.createObjectURL(object.nativeMediaSource_);
+      object.url_ = url;
+      return url;
+    }
+    // if the object isn't an emulated MediaSource, delegate to the
+    // native implementation
+    if (!(object instanceof HtmlMediaSource)) {
+      url = window$1.URL.createObjectURL(object);
+      object.url_ = url;
+      return url;
+    }
+
+    // build a URL that can be used to map back to the emulated
+    // MediaSource
+    url = objectUrlPrefix + urlCount;
+
+    urlCount++;
+
+    // setup the mapping back to object
+    videojs$1.mediaSources[url] = object;
+
+    return url;
+  }
+};
+
+videojs$1.MediaSource = MediaSource;
+videojs$1.URL = URL$1;
+
+var EventTarget$1$1 = videojs$1.EventTarget,
+    mergeOptions$2 = videojs$1.mergeOptions;
+
+/**
+ * Returns a new master manifest that is the result of merging an updated master manifest
+ * into the original version.
+ *
+ * @param {Object} oldMaster
+ *        The old parsed mpd object
+ * @param {Object} newMaster
+ *        The updated parsed mpd object
+ * @return {Object}
+ *         A new object representing the original master manifest with the updated media
+ *         playlists merged in
+ */
+
+var updateMaster$1 = function updateMaster$$1(oldMaster, newMaster) {
+  var update = mergeOptions$2(oldMaster, {
+    // These are top level properties that can be updated
+    duration: newMaster.duration,
+    minimumUpdatePeriod: newMaster.minimumUpdatePeriod
+  });
+
+  // First update the playlists in playlist list
+  for (var i = 0; i < newMaster.playlists.length; i++) {
+    var playlistUpdate = updateMaster(update, newMaster.playlists[i]);
+
+    if (playlistUpdate) {
+      update = playlistUpdate;
+    }
+  }
+
+  // Then update media group playlists
+  forEachMediaGroup(newMaster, function (properties, type, group, label) {
+    if (properties.playlists && properties.playlists.length) {
+      var uri = properties.playlists[0].uri;
+      var _playlistUpdate = updateMaster(update, properties.playlists[0]);
+
+      if (_playlistUpdate) {
+        update = _playlistUpdate;
+        // update the playlist reference within media groups
+        update.mediaGroups[type][group][label].playlists[0] = update.playlists[uri];
+      }
+    }
+  });
+
+  return update;
+};
+
+var DashPlaylistLoader = function (_EventTarget) {
+  inherits$1(DashPlaylistLoader, _EventTarget);
+
+  // DashPlaylistLoader must accept either a src url or a playlist because subsequent
+  // playlist loader setups from media groups will expect to be able to pass a playlist
+  // (since there aren't external URLs to media playlists with DASH)
+  function DashPlaylistLoader(srcUrlOrPlaylist, hls, withCredentials, masterPlaylistLoader) {
+    classCallCheck$1(this, DashPlaylistLoader);
+
+    var _this = possibleConstructorReturn$1(this, (DashPlaylistLoader.__proto__ || Object.getPrototypeOf(DashPlaylistLoader)).call(this));
+
+    _this.hls_ = hls;
+    _this.withCredentials = withCredentials;
+
+    if (!srcUrlOrPlaylist) {
+      throw new Error('A non-empty playlist URL or playlist is required');
+    }
+
+    // event naming?
+    _this.on('minimumUpdatePeriod', function () {
+      _this.refreshXml_();
+    });
+
+    // live playlist staleness timeout
+    _this.on('mediaupdatetimeout', function () {
+      _this.refreshMedia_();
+    });
+
+    // initialize the loader state
+    if (typeof srcUrlOrPlaylist === 'string') {
+      _this.srcUrl = srcUrlOrPlaylist;
+      _this.state = 'HAVE_NOTHING';
+      return possibleConstructorReturn$1(_this);
+    }
+
+    _this.masterPlaylistLoader_ = masterPlaylistLoader;
+
+    _this.state = 'HAVE_METADATA';
+    _this.started = true;
+    // we only should have one playlist so select it
+    _this.media(srcUrlOrPlaylist);
+    // trigger async to mimic behavior of HLS, where it must request a playlist
+    window$1.setTimeout(function () {
+      _this.trigger('loadedmetadata');
+    }, 0);
+    return _this;
+  }
+
+  createClass$1(DashPlaylistLoader, [{
+    key: 'dispose',
+    value: function dispose() {
+      this.stopRequest();
+      window$1.clearTimeout(this.mediaUpdateTimeout);
+    }
+  }, {
+    key: 'stopRequest',
+    value: function stopRequest() {
+      if (this.request) {
+        var oldRequest = this.request;
+
+        this.request = null;
+        oldRequest.onreadystatechange = null;
+        oldRequest.abort();
+      }
+    }
+  }, {
+    key: 'media',
+    value: function media(playlist) {
+      // getter
+      if (!playlist) {
+        return this.media_;
+      }
+
+      // setter
+      if (this.state === 'HAVE_NOTHING') {
+        throw new Error('Cannot switch media playlist from ' + this.state);
+      }
+
+      var startingState = this.state;
+
+      // find the playlist object if the target playlist has been specified by URI
+      if (typeof playlist === 'string') {
+        if (!this.master.playlists[playlist]) {
+          throw new Error('Unknown playlist URI: ' + playlist);
+        }
+        playlist = this.master.playlists[playlist];
+      }
+
+      var mediaChange = !this.media_ || playlist.uri !== this.media_.uri;
+
+      this.state = 'HAVE_METADATA';
+
+      // switching to the active playlist is a no-op
+      if (!mediaChange) {
+        return;
+      }
+
+      // switching from an already loaded playlist
+      if (this.media_) {
+        this.trigger('mediachanging');
+      }
+
+      this.media_ = playlist;
+
+      this.refreshMedia_();
+
+      // trigger media change if the active media has been updated
+      if (startingState !== 'HAVE_MASTER') {
+        this.trigger('mediachange');
+      }
+    }
+  }, {
+    key: 'pause',
+    value: function pause() {
+      this.stopRequest();
+      if (this.state === 'HAVE_NOTHING') {
+        // If we pause the loader before any data has been retrieved, its as if we never
+        // started, so reset to an unstarted state.
+        this.started = false;
+      }
+    }
+  }, {
+    key: 'load',
+    value: function load() {
+      // because the playlists are internal to the manifest, load should either load the
+      // main manifest, or do nothing but trigger an event
+      if (!this.started) {
+        this.start();
+        return;
+      }
+
+      this.trigger('loadedplaylist');
+    }
+
+    /**
+     * Parses the master xml string and updates playlist uri references
+     *
+     * @return {Object}
+     *         The parsed mpd manifest object
+     */
+
+  }, {
+    key: 'parseMasterXml',
+    value: function parseMasterXml() {
+      var master = mpdParser.parse(this.masterXml_, {
+        manifestUri: this.srcUrl,
+        clientOffset: this.clientOffset_
+      });
+
+      master.uri = this.srcUrl;
+
+      // Set up phony URIs for the playlists since we won't have external URIs for DASH
+      // but reference playlists by their URI throughout the project
+      // TODO: Should we create the dummy uris in mpd-parser as well (leaning towards yes).
+      for (var i = 0; i < master.playlists.length; i++) {
+        var phonyUri = 'placeholder-uri-' + i;
+
+        master.playlists[i].uri = phonyUri;
+        // set up by URI references
+        master.playlists[phonyUri] = master.playlists[i];
+      }
+
+      // set up phony URIs for the media group playlists since we won't have external
+      // URIs for DASH but reference playlists by their URI throughout the project
+      forEachMediaGroup(master, function (properties, mediaType, groupKey, labelKey) {
+        if (properties.playlists && properties.playlists.length) {
+          var _phonyUri = 'placeholder-uri-' + mediaType + '-' + groupKey + '-' + labelKey;
+
+          properties.playlists[0].uri = _phonyUri;
+          // setup URI references
+          master.playlists[_phonyUri] = properties.playlists[0];
+        }
+      });
+
+      setupMediaPlaylists(master);
+      resolveMediaGroupUris(master);
+
+      return master;
+    }
+  }, {
+    key: 'start',
+    value: function start() {
+      var _this2 = this;
+
+      this.started = true;
+
+      // request the specified URL
+      this.request = this.hls_.xhr({
+        uri: this.srcUrl,
+        withCredentials: this.withCredentials
+      }, function (error, req) {
+        // disposed
+        if (!_this2.request) {
+          return;
+        }
+
+        // clear the loader's request reference
+        _this2.request = null;
+
+        if (error) {
+          _this2.error = {
+            status: req.status,
+            message: 'DASH playlist request error at URL: ' + _this2.srcUrl,
+            responseText: req.responseText,
+            // MEDIA_ERR_NETWORK
+            code: 2
+          };
+          if (_this2.state === 'HAVE_NOTHING') {
+            _this2.started = false;
+          }
+          return _this2.trigger('error');
+        }
+
+        _this2.masterXml_ = req.responseText;
+
+        if (req.responseHeaders && req.responseHeaders.date) {
+          _this2.masterLoaded_ = Date.parse(req.responseHeaders.date);
+        } else {
+          _this2.masterLoaded_ = Date.now();
+        }
+
+        _this2.syncClientServerClock_(_this2.onClientServerClockSync_.bind(_this2));
+      });
+    }
+
+    /**
+     * Parses the master xml for UTCTiming node to sync the client clock to the server
+     * clock. If the UTCTiming node requires a HEAD or GET request, that request is made.
+     *
+     * @param {Function} done
+     *        Function to call when clock sync has completed
+     */
+
+  }, {
+    key: 'syncClientServerClock_',
+    value: function syncClientServerClock_(done) {
+      var _this3 = this;
+
+      var utcTiming = mpdParser.parseUTCTiming(this.masterXml_);
+
+      // No UTCTiming element found in the mpd. Use Date header from mpd request as the
+      // server clock
+      if (utcTiming === null) {
+        this.clientOffset_ = this.masterLoaded_ - Date.now();
+        return done();
+      }
+
+      if (utcTiming.method === 'DIRECT') {
+        this.clientOffset_ = utcTiming.value - Date.now();
+        return done();
+      }
+
+      this.request = this.hls_.xhr({
+        uri: resolveUrl(this.srcUrl, utcTiming.value),
+        method: utcTiming.method,
+        withCredentials: this.withCredentials
+      }, function (error, req) {
+        // disposed
+        if (!_this3.request) {
+          return;
+        }
+
+        if (error) {
+          // sync request failed, fall back to using date header from mpd
+          // TODO: log warning
+          _this3.clientOffset_ = _this3.masterLoaded_ - Date.now();
+          return done();
+        }
+
+        var serverTime = void 0;
+
+        if (utcTiming.method === 'HEAD') {
+          if (!req.responseHeaders || !req.responseHeaders.date) {
+            // expected date header not preset, fall back to using date header from mpd
+            // TODO: log warning
+            serverTime = _this3.masterLoaded_;
+          } else {
+            serverTime = Date.parse(req.responseHeaders.date);
+          }
+        } else {
+          serverTime = Date.parse(req.responseText);
+        }
+
+        _this3.clientOffset_ = serverTime - Date.now();
+
+        done();
+      });
+    }
+
+    /**
+     * Handler for after client/server clock synchronization has happened. Sets up
+     * xml refresh timer if specificed by the manifest.
+     */
+
+  }, {
+    key: 'onClientServerClockSync_',
+    value: function onClientServerClockSync_() {
+      var _this4 = this;
+
+      this.master = this.parseMasterXml();
+
+      this.state = 'HAVE_MASTER';
+
+      this.trigger('loadedplaylist');
+
+      if (!this.media_) {
+        // no media playlist was specifically selected so start
+        // from the first listed one
+        this.media(this.master.playlists[0]);
+      }
+      // trigger loadedmetadata to resolve setup of media groups
+      // trigger async to mimic behavior of HLS, where it must request a playlist
+      window$1.setTimeout(function () {
+        _this4.trigger('loadedmetadata');
+      }, 0);
+
+      // TODO: minimumUpdatePeriod can have a value of 0. Currently the manifest will not
+      // be refreshed when this is the case. The inter-op guide says that when the
+      // minimumUpdatePeriod is 0, the manifest should outline all currently available
+      // segments, but future segments may require an update. I think a good solution
+      // would be to update the manifest at the same rate that the media playlists
+      // are "refreshed", i.e. every targetDuration.
+      if (this.master.minimumUpdatePeriod) {
+        window$1.setTimeout(function () {
+          _this4.trigger('minimumUpdatePeriod');
+        }, this.master.minimumUpdatePeriod);
+      }
+    }
+
+    /**
+     * Sends request to refresh the master xml and updates the parsed master manifest
+     * TODO: Does the client offset need to be recalculated when the xml is refreshed?
+     */
+
+  }, {
+    key: 'refreshXml_',
+    value: function refreshXml_() {
+      var _this5 = this;
+
+      this.request = this.hls_.xhr({
+        uri: this.srcUrl,
+        withCredentials: this.withCredentials
+      }, function (error, req) {
+        // disposed
+        if (!_this5.request) {
+          return;
+        }
+
+        // clear the loader's request reference
+        _this5.request = null;
+
+        if (error) {
+          _this5.error = {
+            status: req.status,
+            message: 'DASH playlist request error at URL: ' + _this5.srcUrl,
+            responseText: req.responseText,
+            // MEDIA_ERR_NETWORK
+            code: 2
+          };
+          if (_this5.state === 'HAVE_NOTHING') {
+            _this5.started = false;
+          }
+          return _this5.trigger('error');
+        }
+
+        _this5.masterXml_ = req.responseText;
+
+        var newMaster = _this5.parseMasterXml();
+
+        _this5.master = updateMaster$1(_this5.master, newMaster);
+
+        window$1.setTimeout(function () {
+          _this5.trigger('minimumUpdatePeriod');
+        }, _this5.master.minimumUpdatePeriod);
+      });
+    }
+
+    /**
+     * Refreshes the media playlist by re-parsing the master xml and updating playlist
+     * references. If this is an alternate loader, the updated parsed manifest is retrieved
+     * from the master loader.
+     */
+
+  }, {
+    key: 'refreshMedia_',
+    value: function refreshMedia_() {
+      var _this6 = this;
+
+      var oldMaster = void 0;
+      var newMaster = void 0;
+
+      if (this.masterPlaylistLoader_) {
+        oldMaster = this.masterPlaylistLoader_.master;
+        newMaster = this.masterPlaylistLoader_.parseMasterXml();
+      } else {
+        oldMaster = this.master;
+        newMaster = this.parseMasterXml();
+      }
+
+      var updatedMaster = updateMaster$1(oldMaster, newMaster);
+
+      if (updatedMaster) {
+        if (this.masterPlaylistLoader_) {
+          this.masterPlaylistLoader_.master = updatedMaster;
+        } else {
+          this.master = updatedMaster;
+        }
+        this.media_ = updatedMaster.playlists[this.media_.uri];
+      } else {
+        this.trigger('playlistunchanged');
+      }
+
+      if (!this.media().endList) {
+        this.mediaUpdateTimeout = window$1.setTimeout(function () {
+          _this6.trigger('mediaupdatetimeout');
+        }, refreshDelay(this.media(), !!updatedMaster));
+      }
+
+      this.trigger('loadedplaylist');
+    }
+  }]);
+  return DashPlaylistLoader;
+}(EventTarget$1$1);
+
+var logger = function logger(source) {
+  if (videojs$1.log.debug) {
+    return videojs$1.log.debug.bind(videojs$1, 'VHS:', source + ' >');
+  }
+
+  return function () {};
+};
+
+function noop() {}
+
+/**
+ * @file source-updater.js
+ */
+
+/**
+ * A queue of callbacks to be serialized and applied when a
+ * MediaSource and its associated SourceBuffers are not in the
+ * updating state. It is used by the segment loader to update the
+ * underlying SourceBuffers when new data is loaded, for instance.
+ *
+ * @class SourceUpdater
+ * @param {MediaSource} mediaSource the MediaSource to create the
+ * SourceBuffer from
+ * @param {String} mimeType the desired MIME type of the underlying
+ * SourceBuffer
+ * @param {Object} sourceBufferEmitter an event emitter that fires when a source buffer is
+ * added to the media source
+ */
+
+var SourceUpdater = function () {
+  function SourceUpdater(mediaSource, mimeType, type, sourceBufferEmitter) {
+    classCallCheck$1(this, SourceUpdater);
+
+    this.callbacks_ = [];
+    this.pendingCallback_ = null;
+    this.timestampOffset_ = 0;
+    this.mediaSource = mediaSource;
+    this.processedAppend_ = false;
+    this.type_ = type;
+    this.mimeType_ = mimeType;
+    this.logger_ = logger('SourceUpdater[' + type + '][' + mimeType + ']');
+
+    if (mediaSource.readyState === 'closed') {
+      mediaSource.addEventListener('sourceopen', this.createSourceBuffer_.bind(this, mimeType, sourceBufferEmitter));
+    } else {
+      this.createSourceBuffer_(mimeType, sourceBufferEmitter);
+    }
+  }
+
+  createClass$1(SourceUpdater, [{
+    key: 'createSourceBuffer_',
+    value: function createSourceBuffer_(mimeType, sourceBufferEmitter) {
+      var _this = this;
+
+      this.sourceBuffer_ = this.mediaSource.addSourceBuffer(mimeType);
+
+      this.logger_('created SourceBuffer');
+
+      if (sourceBufferEmitter) {
+        sourceBufferEmitter.trigger('sourcebufferadded');
+
+        if (this.mediaSource.sourceBuffers.length < 2) {
+          // There's another source buffer we must wait for before we can start updating
+          // our own (or else we can get into a bad state, i.e., appending video/audio data
+          // before the other video/audio source buffer is available and leading to a video
+          // or audio only buffer).
+          sourceBufferEmitter.on('sourcebufferadded', function () {
+            _this.start_();
+          });
+          return;
+        }
+      }
+
+      this.start_();
+    }
+  }, {
+    key: 'start_',
+    value: function start_() {
+      var _this2 = this;
+
+      this.started_ = true;
+
+      // run completion handlers and process callbacks as updateend
+      // events fire
+      this.onUpdateendCallback_ = function () {
+        var pendingCallback = _this2.pendingCallback_;
+
+        _this2.pendingCallback_ = null;
+
+        _this2.logger_('buffered [' + printableRange(_this2.buffered()) + ']');
+
+        if (pendingCallback) {
+          pendingCallback();
+        }
+
+        _this2.runCallback_();
+      };
+
+      this.sourceBuffer_.addEventListener('updateend', this.onUpdateendCallback_);
+
+      this.runCallback_();
+    }
+
+    /**
+     * Aborts the current segment and resets the segment parser.
+     *
+     * @param {Function} done function to call when done
+     * @see http://w3c.github.io/media-source/#widl-SourceBuffer-abort-void
+     */
+
+  }, {
+    key: 'abort',
+    value: function abort(done) {
+      var _this3 = this;
+
+      if (this.processedAppend_) {
+        this.queueCallback_(function () {
+          _this3.sourceBuffer_.abort();
+        }, done);
+      }
+    }
+
+    /**
+     * Queue an update to append an ArrayBuffer.
+     *
+     * @param {ArrayBuffer} bytes
+     * @param {Function} done the function to call when done
+     * @see http://www.w3.org/TR/media-source/#widl-SourceBuffer-appendBuffer-void-ArrayBuffer-data
+     */
+
+  }, {
+    key: 'appendBuffer',
+    value: function appendBuffer(bytes, done) {
+      var _this4 = this;
+
+      this.processedAppend_ = true;
+      this.queueCallback_(function () {
+        _this4.sourceBuffer_.appendBuffer(bytes);
+      }, done);
+    }
+
+    /**
+     * Indicates what TimeRanges are buffered in the managed SourceBuffer.
+     *
+     * @see http://www.w3.org/TR/media-source/#widl-SourceBuffer-buffered
+     */
+
+  }, {
+    key: 'buffered',
+    value: function buffered() {
+      if (!this.sourceBuffer_) {
+        return videojs$1.createTimeRanges();
+      }
+      return this.sourceBuffer_.buffered;
+    }
+
+    /**
+     * Queue an update to remove a time range from the buffer.
+     *
+     * @param {Number} start where to start the removal
+     * @param {Number} end where to end the removal
+     * @param {Function} [done=noop] optional callback to be executed when the remove
+     * operation is complete
+     * @see http://www.w3.org/TR/media-source/#widl-SourceBuffer-remove-void-double-start-unrestricted-double-end
+     */
+
+  }, {
+    key: 'remove',
+    value: function remove(start, end) {
+      var _this5 = this;
+
+      var done = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : noop;
+
+      if (this.processedAppend_) {
+        this.queueCallback_(function () {
+          _this5.logger_('remove [' + start + ' => ' + end + ']');
+          _this5.sourceBuffer_.remove(start, end);
+        }, done);
+      }
+    }
+
+    /**
+     * Whether the underlying sourceBuffer is updating or not
+     *
+     * @return {Boolean} the updating status of the SourceBuffer
+     */
+
+  }, {
+    key: 'updating',
+    value: function updating() {
+      return !this.sourceBuffer_ || this.sourceBuffer_.updating || this.pendingCallback_;
+    }
+
+    /**
+     * Set/get the timestampoffset on the SourceBuffer
+     *
+     * @return {Number} the timestamp offset
+     */
+
+  }, {
+    key: 'timestampOffset',
+    value: function timestampOffset(offset) {
+      var _this6 = this;
+
+      if (typeof offset !== 'undefined') {
+        this.queueCallback_(function () {
+          _this6.sourceBuffer_.timestampOffset = offset;
+        });
+        this.timestampOffset_ = offset;
+      }
+      return this.timestampOffset_;
+    }
+
+    /**
+     * Queue a callback to run
+     */
+
+  }, {
+    key: 'queueCallback_',
+    value: function queueCallback_(callback, done) {
+      this.callbacks_.push([callback.bind(this), done]);
+      this.runCallback_();
+    }
+
+    /**
+     * Run a queued callback
+     */
+
+  }, {
+    key: 'runCallback_',
+    value: function runCallback_() {
+      var callbacks = void 0;
+
+      if (!this.updating() && this.callbacks_.length && this.started_) {
+        callbacks = this.callbacks_.shift();
+        this.pendingCallback_ = callbacks[1];
+        callbacks[0]();
+      }
+    }
+
+    /**
+     * dispose of the source updater and the underlying sourceBuffer
+     */
+
+  }, {
+    key: 'dispose',
+    value: function dispose() {
+      this.sourceBuffer_.removeEventListener('updateend', this.onUpdateendCallback_);
+      if (this.sourceBuffer_ && this.mediaSource.readyState === 'open') {
+        this.sourceBuffer_.abort();
+      }
+    }
+  }]);
+  return SourceUpdater;
+}();
+
+var Config = {
+  GOAL_BUFFER_LENGTH: 30,
+  MAX_GOAL_BUFFER_LENGTH: 60,
+  GOAL_BUFFER_LENGTH_RATE: 1,
+  // A fudge factor to apply to advertised playlist bitrates to account for
+  // temporary flucations in client bandwidth
+  BANDWIDTH_VARIANCE: 1.2,
+  // How much of the buffer must be filled before we consider upswitching
+  BUFFER_LOW_WATER_LINE: 0,
+  MAX_BUFFER_LOW_WATER_LINE: 30,
+  BUFFER_LOW_WATER_LINE_RATE: 1
+};
+
+var REQUEST_ERRORS = {
+  FAILURE: 2,
+  TIMEOUT: -101,
+  ABORTED: -102
+};
+
+/**
+ * Turns segment byterange into a string suitable for use in
+ * HTTP Range requests
+ *
+ * @param {Object} byterange - an object with two values defining the start and end
+ *                             of a byte-range
+ */
+var byterangeStr = function byterangeStr(byterange) {
+  var byterangeStart = void 0;
+  var byterangeEnd = void 0;
+
+  // `byterangeEnd` is one less than `offset + length` because the HTTP range
+  // header uses inclusive ranges
+  byterangeEnd = byterange.offset + byterange.length - 1;
+  byterangeStart = byterange.offset;
+  return 'bytes=' + byterangeStart + '-' + byterangeEnd;
+};
+
+/**
+ * Defines headers for use in the xhr request for a particular segment.
+ *
+ * @param {Object} segment - a simplified copy of the segmentInfo object
+ *                           from SegmentLoader
+ */
+var segmentXhrHeaders = function segmentXhrHeaders(segment) {
+  var headers = {};
+
+  if (segment.byterange) {
+    headers.Range = byterangeStr(segment.byterange);
+  }
+  return headers;
+};
+
+/**
+ * Abort all requests
+ *
+ * @param {Object} activeXhrs - an object that tracks all XHR requests
+ */
+var abortAll = function abortAll(activeXhrs) {
+  activeXhrs.forEach(function (xhr$$1) {
+    xhr$$1.abort();
+  });
+};
+
+/**
+ * Gather important bandwidth stats once a request has completed
+ *
+ * @param {Object} request - the XHR request from which to gather stats
+ */
+var getRequestStats = function getRequestStats(request) {
+  return {
+    bandwidth: request.bandwidth,
+    bytesReceived: request.bytesReceived || 0,
+    roundTripTime: request.roundTripTime || 0
+  };
+};
+
+/**
+ * If possible gather bandwidth stats as a request is in
+ * progress
+ *
+ * @param {Event} progressEvent - an event object from an XHR's progress event
+ */
+var getProgressStats = function getProgressStats(progressEvent) {
+  var request = progressEvent.target;
+  var roundTripTime = Date.now() - request.requestTime;
+  var stats = {
+    bandwidth: Infinity,
+    bytesReceived: 0,
+    roundTripTime: roundTripTime || 0
+  };
+
+  stats.bytesReceived = progressEvent.loaded;
+  // This can result in Infinity if stats.roundTripTime is 0 but that is ok
+  // because we should only use bandwidth stats on progress to determine when
+  // abort a request early due to insufficient bandwidth
+  stats.bandwidth = Math.floor(stats.bytesReceived / stats.roundTripTime * 8 * 1000);
+
+  return stats;
+};
+
+/**
+ * Handle all error conditions in one place and return an object
+ * with all the information
+ *
+ * @param {Error|null} error - if non-null signals an error occured with the XHR
+ * @param {Object} request -  the XHR request that possibly generated the error
+ */
+var handleErrors = function handleErrors(error, request) {
+  if (request.timedout) {
+    return {
+      status: request.status,
+      message: 'HLS request timed-out at URL: ' + request.uri,
+      code: REQUEST_ERRORS.TIMEOUT,
+      xhr: request
+    };
+  }
+
+  if (request.aborted) {
+    return {
+      status: request.status,
+      message: 'HLS request aborted at URL: ' + request.uri,
+      code: REQUEST_ERRORS.ABORTED,
+      xhr: request
+    };
+  }
+
+  if (error) {
+    return {
+      status: request.status,
+      message: 'HLS request errored at URL: ' + request.uri,
+      code: REQUEST_ERRORS.FAILURE,
+      xhr: request
+    };
+  }
+
+  return null;
+};
+
+/**
+ * Handle responses for key data and convert the key data to the correct format
+ * for the decryption step later
+ *
+ * @param {Object} segment - a simplified copy of the segmentInfo object
+ *                           from SegmentLoader
+ * @param {Function} finishProcessingFn - a callback to execute to continue processing
+ *                                        this request
+ */
+var handleKeyResponse = function handleKeyResponse(segment, finishProcessingFn) {
+  return function (error, request) {
+    var response = request.response;
+    var errorObj = handleErrors(error, request);
+
+    if (errorObj) {
+      return finishProcessingFn(errorObj, segment);
+    }
+
+    if (response.byteLength !== 16) {
+      return finishProcessingFn({
+        status: request.status,
+        message: 'Invalid HLS key at URL: ' + request.uri,
+        code: REQUEST_ERRORS.FAILURE,
+        xhr: request
+      }, segment);
+    }
+
+    var view = new DataView(response);
+
+    segment.key.bytes = new Uint32Array([view.getUint32(0), view.getUint32(4), view.getUint32(8), view.getUint32(12)]);
+    return finishProcessingFn(null, segment);
+  };
+};
+
+/**
+ * Handle init-segment responses
+ *
+ * @param {Object} segment - a simplified copy of the segmentInfo object
+ *                           from SegmentLoader
+ * @param {Function} finishProcessingFn - a callback to execute to continue processing
+ *                                        this request
+ */
+var handleInitSegmentResponse = function handleInitSegmentResponse(segment, captionParser, finishProcessingFn) {
+  return function (error, request) {
+    var response = request.response;
+    var errorObj = handleErrors(error, request);
+
+    if (errorObj) {
+      return finishProcessingFn(errorObj, segment);
+    }
+
+    // stop processing if received empty content
+    if (response.byteLength === 0) {
+      return finishProcessingFn({
+        status: request.status,
+        message: 'Empty HLS segment content at URL: ' + request.uri,
+        code: REQUEST_ERRORS.FAILURE,
+        xhr: request
+      }, segment);
+    }
+
+    segment.map.bytes = new Uint8Array(request.response);
+
+    // Initialize CaptionParser if it hasn't been yet
+    if (!captionParser.isInitialized()) {
+      captionParser.init();
+    }
+
+    segment.map.timescales = mp4probe.timescale(segment.map.bytes);
+    segment.map.videoTrackIds = mp4probe.videoTrackIds(segment.map.bytes);
+
+    return finishProcessingFn(null, segment);
+  };
+};
+
+/**
+ * Response handler for segment-requests being sure to set the correct
+ * property depending on whether the segment is encryped or not
+ * Also records and keeps track of stats that are used for ABR purposes
+ *
+ * @param {Object} segment - a simplified copy of the segmentInfo object
+ *                           from SegmentLoader
+ * @param {Function} finishProcessingFn - a callback to execute to continue processing
+ *                                        this request
+ */
+var handleSegmentResponse = function handleSegmentResponse(segment, captionParser, finishProcessingFn) {
+  return function (error, request) {
+    var response = request.response;
+    var errorObj = handleErrors(error, request);
+    var parsed = void 0;
+
+    if (errorObj) {
+      return finishProcessingFn(errorObj, segment);
+    }
+
+    // stop processing if received empty content
+    if (response.byteLength === 0) {
+      return finishProcessingFn({
+        status: request.status,
+        message: 'Empty HLS segment content at URL: ' + request.uri,
+        code: REQUEST_ERRORS.FAILURE,
+        xhr: request
+      }, segment);
+    }
+
+    segment.stats = getRequestStats(request);
+
+    if (segment.key) {
+      segment.encryptedBytes = new Uint8Array(request.response);
+    } else {
+      segment.bytes = new Uint8Array(request.response);
+    }
+
+    // This is likely an FMP4 and has the init segment.
+    // Run through the CaptionParser in case there are captions.
+    if (segment.map && segment.map.bytes) {
+      // Initialize CaptionParser if it hasn't been yet
+      if (!captionParser.isInitialized()) {
+        captionParser.init();
+      }
+
+      parsed = captionParser.parse(segment.bytes, segment.map.videoTrackIds, segment.map.timescales);
+
+      if (parsed && parsed.captions) {
+        segment.captionStreams = parsed.captionStreams;
+        segment.fmp4Captions = parsed.captions;
+      }
+    }
+
+    return finishProcessingFn(null, segment);
+  };
+};
+
+/**
+ * Decrypt the segment via the decryption web worker
+ *
+ * @param {WebWorker} decrypter - a WebWorker interface to AES-128 decryption routines
+ * @param {Object} segment - a simplified copy of the segmentInfo object
+ *                           from SegmentLoader
+ * @param {Function} doneFn - a callback that is executed after decryption has completed
+ */
+var decryptSegment = function decryptSegment(decrypter, segment, doneFn) {
+  var decryptionHandler = function decryptionHandler(event) {
+    if (event.data.source === segment.requestId) {
+      decrypter.removeEventListener('message', decryptionHandler);
+      var decrypted = event.data.decrypted;
+
+      segment.bytes = new Uint8Array(decrypted.bytes, decrypted.byteOffset, decrypted.byteLength);
+      return doneFn(null, segment);
+    }
+  };
+
+  decrypter.addEventListener('message', decryptionHandler);
+
+  // this is an encrypted segment
+  // incrementally decrypt the segment
+  decrypter.postMessage(createTransferableMessage({
+    source: segment.requestId,
+    encrypted: segment.encryptedBytes,
+    key: segment.key.bytes,
+    iv: segment.key.iv
+  }), [segment.encryptedBytes.buffer, segment.key.bytes.buffer]);
+};
+
+/**
+ * The purpose of this function is to get the most pertinent error from the
+ * array of errors.
+ * For instance if a timeout and two aborts occur, then the aborts were
+ * likely triggered by the timeout so return that error object.
+ */
+var getMostImportantError = function getMostImportantError(errors) {
+  return errors.reduce(function (prev, err) {
+    return err.code > prev.code ? err : prev;
+  });
+};
+
+/**
+ * This function waits for all XHRs to finish (with either success or failure)
+ * before continueing processing via it's callback. The function gathers errors
+ * from each request into a single errors array so that the error status for
+ * each request can be examined later.
+ *
+ * @param {Object} activeXhrs - an object that tracks all XHR requests
+ * @param {WebWorker} decrypter - a WebWorker interface to AES-128 decryption routines
+ * @param {Function} doneFn - a callback that is executed after all resources have been
+ *                            downloaded and any decryption completed
+ */
+var waitForCompletion = function waitForCompletion(activeXhrs, decrypter, doneFn) {
+  var errors = [];
+  var count = 0;
+
+  return function (error, segment) {
+    if (error) {
+      // If there are errors, we have to abort any outstanding requests
+      abortAll(activeXhrs);
+      errors.push(error);
+    }
+    count += 1;
+
+    if (count === activeXhrs.length) {
+      // Keep track of when *all* of the requests have completed
+      segment.endOfAllRequests = Date.now();
+
+      if (errors.length > 0) {
+        var worstError = getMostImportantError(errors);
+
+        return doneFn(worstError, segment);
+      }
+      if (segment.encryptedBytes) {
+        return decryptSegment(decrypter, segment, doneFn);
+      }
+      // Otherwise, everything is ready just continue
+      return doneFn(null, segment);
+    }
+  };
+};
+
+/**
+ * Simple progress event callback handler that gathers some stats before
+ * executing a provided callback with the `segment` object
+ *
+ * @param {Object} segment - a simplified copy of the segmentInfo object
+ *                           from SegmentLoader
+ * @param {Function} progressFn - a callback that is executed each time a progress event
+ *                                is received
+ * @param {Event} event - the progress event object from XMLHttpRequest
+ */
+var handleProgress = function handleProgress(segment, progressFn) {
+  return function (event) {
+    segment.stats = videojs$1.mergeOptions(segment.stats, getProgressStats(event));
+
+    // record the time that we receive the first byte of data
+    if (!segment.stats.firstBytesReceivedAt && segment.stats.bytesReceived) {
+      segment.stats.firstBytesReceivedAt = Date.now();
+    }
+
+    return progressFn(event, segment);
+  };
+};
+
+/**
+ * Load all resources and does any processing necessary for a media-segment
+ *
+ * Features:
+ *   decrypts the media-segment if it has a key uri and an iv
+ *   aborts *all* requests if *any* one request fails
+ *
+ * The segment object, at minimum, has the following format:
+ * {
+ *   resolvedUri: String,
+ *   [byterange]: {
+ *     offset: Number,
+ *     length: Number
+ *   },
+ *   [key]: {
+ *     resolvedUri: String
+ *     [byterange]: {
+ *       offset: Number,
+ *       length: Number
+ *     },
+ *     iv: {
+ *       bytes: Uint32Array
+ *     }
+ *   },
+ *   [map]: {
+ *     resolvedUri: String,
+ *     [byterange]: {
+ *       offset: Number,
+ *       length: Number
+ *     },
+ *     [bytes]: Uint8Array
+ *   }
+ * }
+ * ...where [name] denotes optional properties
+ *
+ * @param {Function} xhr - an instance of the xhr wrapper in xhr.js
+ * @param {Object} xhrOptions - the base options to provide to all xhr requests
+ * @param {WebWorker} decryptionWorker - a WebWorker interface to AES-128
+ *                                       decryption routines
+ * @param {Object} segment - a simplified copy of the segmentInfo object
+ *                           from SegmentLoader
+ * @param {Function} progressFn - a callback that receives progress events from the main
+ *                                segment's xhr request
+ * @param {Function} doneFn - a callback that is executed only once all requests have
+ *                            succeeded or failed
+ * @returns {Function} a function that, when invoked, immediately aborts all
+ *                     outstanding requests
+ */
+var mediaSegmentRequest = function mediaSegmentRequest(xhr$$1, xhrOptions, decryptionWorker, captionParser, segment, progressFn, doneFn) {
+  var activeXhrs = [];
+  var finishProcessingFn = waitForCompletion(activeXhrs, decryptionWorker, doneFn);
+
+  // optionally, request the decryption key
+  if (segment.key) {
+    var keyRequestOptions = videojs$1.mergeOptions(xhrOptions, {
+      uri: segment.key.resolvedUri,
+      responseType: 'arraybuffer'
+    });
+    var keyRequestCallback = handleKeyResponse(segment, finishProcessingFn);
+    var keyXhr = xhr$$1(keyRequestOptions, keyRequestCallback);
+
+    activeXhrs.push(keyXhr);
+  }
+
+  // optionally, request the associated media init segment
+  if (segment.map && !segment.map.bytes) {
+    var initSegmentOptions = videojs$1.mergeOptions(xhrOptions, {
+      uri: segment.map.resolvedUri,
+      responseType: 'arraybuffer',
+      headers: segmentXhrHeaders(segment.map)
+    });
+    var initSegmentRequestCallback = handleInitSegmentResponse(segment, captionParser, finishProcessingFn);
+    var initSegmentXhr = xhr$$1(initSegmentOptions, initSegmentRequestCallback);
+
+    activeXhrs.push(initSegmentXhr);
+  }
+
+  var segmentRequestOptions = videojs$1.mergeOptions(xhrOptions, {
+    uri: segment.resolvedUri,
+    responseType: 'arraybuffer',
+    headers: segmentXhrHeaders(segment)
+  });
+  var segmentRequestCallback = handleSegmentResponse(segment, captionParser, finishProcessingFn);
+  var segmentXhr = xhr$$1(segmentRequestOptions, segmentRequestCallback);
+
+  segmentXhr.addEventListener('progress', handleProgress(segment, progressFn));
+  activeXhrs.push(segmentXhr);
+
+  return function () {
+    return abortAll(activeXhrs);
+  };
+};
+
+// Utilities
+
+/**
+ * Returns the CSS value for the specified property on an element
+ * using `getComputedStyle`. Firefox has a long-standing issue where
+ * getComputedStyle() may return null when running in an iframe with
+ * `display: none`.
+ *
+ * @see https://bugzilla.mozilla.org/show_bug.cgi?id=548397
+ * @param {HTMLElement} el the htmlelement to work on
+ * @param {string} the proprety to get the style for
+ */
+var safeGetComputedStyle = function safeGetComputedStyle(el, property) {
+  var result = void 0;
+
+  if (!el) {
+    return '';
+  }
+
+  result = window$1.getComputedStyle(el);
+  if (!result) {
+    return '';
+  }
+
+  return result[property];
+};
+
+/**
+ * Resuable stable sort function
+ *
+ * @param {Playlists} array
+ * @param {Function} sortFn Different comparators
+ * @function stableSort
+ */
+var stableSort = function stableSort(array, sortFn) {
+  var newArray = array.slice();
+
+  array.sort(function (left, right) {
+    var cmp = sortFn(left, right);
+
+    if (cmp === 0) {
+      return newArray.indexOf(left) - newArray.indexOf(right);
+    }
+    return cmp;
+  });
+};
+
+/**
+ * A comparator function to sort two playlist object by bandwidth.
+ *
+ * @param {Object} left a media playlist object
+ * @param {Object} right a media playlist object
+ * @return {Number} Greater than zero if the bandwidth attribute of
+ * left is greater than the corresponding attribute of right. Less
+ * than zero if the bandwidth of right is greater than left and
+ * exactly zero if the two are equal.
+ */
+var comparePlaylistBandwidth = function comparePlaylistBandwidth(left, right) {
+  var leftBandwidth = void 0;
+  var rightBandwidth = void 0;
+
+  if (left.attributes.BANDWIDTH) {
+    leftBandwidth = left.attributes.BANDWIDTH;
+  }
+  leftBandwidth = leftBandwidth || window$1.Number.MAX_VALUE;
+  if (right.attributes.BANDWIDTH) {
+    rightBandwidth = right.attributes.BANDWIDTH;
+  }
+  rightBandwidth = rightBandwidth || window$1.Number.MAX_VALUE;
+
+  return leftBandwidth - rightBandwidth;
+};
+
+/**
+ * A comparator function to sort two playlist object by resolution (width).
+ * @param {Object} left a media playlist object
+ * @param {Object} right a media playlist object
+ * @return {Number} Greater than zero if the resolution.width attribute of
+ * left is greater than the corresponding attribute of right. Less
+ * than zero if the resolution.width of right is greater than left and
+ * exactly zero if the two are equal.
+ */
+var comparePlaylistResolution = function comparePlaylistResolution(left, right) {
+  var leftWidth = void 0;
+  var rightWidth = void 0;
+
+  if (left.attributes.RESOLUTION && left.attributes.RESOLUTION.width) {
+    leftWidth = left.attributes.RESOLUTION.width;
+  }
+
+  leftWidth = leftWidth || window$1.Number.MAX_VALUE;
+
+  if (right.attributes.RESOLUTION && right.attributes.RESOLUTION.width) {
+    rightWidth = right.attributes.RESOLUTION.width;
+  }
+
+  rightWidth = rightWidth || window$1.Number.MAX_VALUE;
+
+  // NOTE - Fallback to bandwidth sort as appropriate in cases where multiple renditions
+  // have the same media dimensions/ resolution
+  if (leftWidth === rightWidth && left.attributes.BANDWIDTH && right.attributes.BANDWIDTH) {
+    return left.attributes.BANDWIDTH - right.attributes.BANDWIDTH;
+  }
+  return leftWidth - rightWidth;
+};
+
+/**
+ * Chooses the appropriate media playlist based on bandwidth and player size
+ *
+ * @param {Object} master
+ *        Object representation of the master manifest
+ * @param {Number} playerBandwidth
+ *        Current calculated bandwidth of the player
+ * @param {Number} playerWidth
+ *        Current width of the player element
+ * @param {Number} playerHeight
+ *        Current height of the player element
+ * @return {Playlist} the highest bitrate playlist less than the
+ * currently detected bandwidth, accounting for some amount of
+ * bandwidth variance
+ */
+var simpleSelector = function simpleSelector(master, playerBandwidth, playerWidth, playerHeight) {
+  // convert the playlists to an intermediary representation to make comparisons easier
+  var sortedPlaylistReps = master.playlists.map(function (playlist) {
+    var width = void 0;
+    var height = void 0;
+    var bandwidth = void 0;
+
+    width = playlist.attributes.RESOLUTION && playlist.attributes.RESOLUTION.width;
+    height = playlist.attributes.RESOLUTION && playlist.attributes.RESOLUTION.height;
+    bandwidth = playlist.attributes.BANDWIDTH;
+
+    bandwidth = bandwidth || window$1.Number.MAX_VALUE;
+
+    return {
+      bandwidth: bandwidth,
+      width: width,
+      height: height,
+      playlist: playlist
+    };
+  });
+
+  stableSort(sortedPlaylistReps, function (left, right) {
+    return left.bandwidth - right.bandwidth;
+  });
+
+  // filter out any playlists that have been excluded due to
+  // incompatible configurations
+  sortedPlaylistReps = sortedPlaylistReps.filter(function (rep) {
+    return !Playlist.isIncompatible(rep.playlist);
+  });
+
+  // filter out any playlists that have been disabled manually through the representations
+  // api or blacklisted temporarily due to playback errors.
+  var enabledPlaylistReps = sortedPlaylistReps.filter(function (rep) {
+    return Playlist.isEnabled(rep.playlist);
+  });
+
+  if (!enabledPlaylistReps.length) {
+    // if there are no enabled playlists, then they have all been blacklisted or disabled
+    // by the user through the representations api. In this case, ignore blacklisting and
+    // fallback to what the user wants by using playlists the user has not disabled.
+    enabledPlaylistReps = sortedPlaylistReps.filter(function (rep) {
+      return !Playlist.isDisabled(rep.playlist);
+    });
+  }
+
+  // filter out any variant that has greater effective bitrate
+  // than the current estimated bandwidth
+  var bandwidthPlaylistReps = enabledPlaylistReps.filter(function (rep) {
+    return rep.bandwidth * Config.BANDWIDTH_VARIANCE < playerBandwidth;
+  });
+
+  var highestRemainingBandwidthRep = bandwidthPlaylistReps[bandwidthPlaylistReps.length - 1];
+
+  // get all of the renditions with the same (highest) bandwidth
+  // and then taking the very first element
+  var bandwidthBestRep = bandwidthPlaylistReps.filter(function (rep) {
+    return rep.bandwidth === highestRemainingBandwidthRep.bandwidth;
+  })[0];
+
+  // filter out playlists without resolution information
+  var haveResolution = bandwidthPlaylistReps.filter(function (rep) {
+    return rep.width && rep.height;
+  });
+
+  // sort variants by resolution
+  stableSort(haveResolution, function (left, right) {
+    return left.width - right.width;
+  });
+
+  // if we have the exact resolution as the player use it
+  var resolutionBestRepList = haveResolution.filter(function (rep) {
+    return rep.width === playerWidth && rep.height === playerHeight;
+  });
+
+  highestRemainingBandwidthRep = resolutionBestRepList[resolutionBestRepList.length - 1];
+  // ensure that we pick the highest bandwidth variant that have exact resolution
+  var resolutionBestRep = resolutionBestRepList.filter(function (rep) {
+    return rep.bandwidth === highestRemainingBandwidthRep.bandwidth;
+  })[0];
+
+  var resolutionPlusOneList = void 0;
+  var resolutionPlusOneSmallest = void 0;
+  var resolutionPlusOneRep = void 0;
+
+  // find the smallest variant that is larger than the player
+  // if there is no match of exact resolution
+  if (!resolutionBestRep) {
+    resolutionPlusOneList = haveResolution.filter(function (rep) {
+      return rep.width > playerWidth || rep.height > playerHeight;
+    });
+
+    // find all the variants have the same smallest resolution
+    resolutionPlusOneSmallest = resolutionPlusOneList.filter(function (rep) {
+      return rep.width === resolutionPlusOneList[0].width && rep.height === resolutionPlusOneList[0].height;
+    });
+
+    // ensure that we also pick the highest bandwidth variant that
+    // is just-larger-than the video player
+    highestRemainingBandwidthRep = resolutionPlusOneSmallest[resolutionPlusOneSmallest.length - 1];
+    resolutionPlusOneRep = resolutionPlusOneSmallest.filter(function (rep) {
+      return rep.bandwidth === highestRemainingBandwidthRep.bandwidth;
+    })[0];
+  }
+
+  // fallback chain of variants
+  var chosenRep = resolutionPlusOneRep || resolutionBestRep || bandwidthBestRep || enabledPlaylistReps[0] || sortedPlaylistReps[0];
+
+  return chosenRep ? chosenRep.playlist : null;
+};
+
+// Playlist Selectors
+
+/**
+ * Chooses the appropriate media playlist based on the most recent
+ * bandwidth estimate and the player size.
+ *
+ * Expects to be called within the context of an instance of HlsHandler
+ *
+ * @return {Playlist} the highest bitrate playlist less than the
+ * currently detected bandwidth, accounting for some amount of
+ * bandwidth variance
+ */
+var lastBandwidthSelector = function lastBandwidthSelector() {
+  return simpleSelector(this.playlists.master, this.systemBandwidth, parseInt(safeGetComputedStyle(this.tech_.el(), 'width'), 10), parseInt(safeGetComputedStyle(this.tech_.el(), 'height'), 10));
+};
+
+/**
+ * Chooses the appropriate media playlist based on the potential to rebuffer
+ *
+ * @param {Object} settings
+ *        Object of information required to use this selector
+ * @param {Object} settings.master
+ *        Object representation of the master manifest
+ * @param {Number} settings.currentTime
+ *        The current time of the player
+ * @param {Number} settings.bandwidth
+ *        Current measured bandwidth
+ * @param {Number} settings.duration
+ *        Duration of the media
+ * @param {Number} settings.segmentDuration
+ *        Segment duration to be used in round trip time calculations
+ * @param {Number} settings.timeUntilRebuffer
+ *        Time left in seconds until the player has to rebuffer
+ * @param {Number} settings.currentTimeline
+ *        The current timeline segments are being loaded from
+ * @param {SyncController} settings.syncController
+ *        SyncController for determining if we have a sync point for a given playlist
+ * @return {Object|null}
+ *         {Object} return.playlist
+ *         The highest bandwidth playlist with the least amount of rebuffering
+ *         {Number} return.rebufferingImpact
+ *         The amount of time in seconds switching to this playlist will rebuffer. A
+ *         negative value means that switching will cause zero rebuffering.
+ */
+var minRebufferMaxBandwidthSelector = function minRebufferMaxBandwidthSelector(settings) {
+  var master = settings.master,
+      currentTime = settings.currentTime,
+      bandwidth = settings.bandwidth,
+      duration$$1 = settings.duration,
+      segmentDuration = settings.segmentDuration,
+      timeUntilRebuffer = settings.timeUntilRebuffer,
+      currentTimeline = settings.currentTimeline,
+      syncController = settings.syncController;
+
+  // filter out any playlists that have been excluded due to
+  // incompatible configurations
+
+  var compatiblePlaylists = master.playlists.filter(function (playlist) {
+    return !Playlist.isIncompatible(playlist);
+  });
+
+  // filter out any playlists that have been disabled manually through the representations
+  // api or blacklisted temporarily due to playback errors.
+  var enabledPlaylists = compatiblePlaylists.filter(Playlist.isEnabled);
+
+  if (!enabledPlaylists.length) {
+    // if there are no enabled playlists, then they have all been blacklisted or disabled
+    // by the user through the representations api. In this case, ignore blacklisting and
+    // fallback to what the user wants by using playlists the user has not disabled.
+    enabledPlaylists = compatiblePlaylists.filter(function (playlist) {
+      return !Playlist.isDisabled(playlist);
+    });
+  }
+
+  var bandwidthPlaylists = enabledPlaylists.filter(Playlist.hasAttribute.bind(null, 'BANDWIDTH'));
+
+  var rebufferingEstimates = bandwidthPlaylists.map(function (playlist) {
+    var syncPoint = syncController.getSyncPoint(playlist, duration$$1, currentTimeline, currentTime);
+    // If there is no sync point for this playlist, switching to it will require a
+    // sync request first. This will double the request time
+    var numRequests = syncPoint ? 1 : 2;
+    var requestTimeEstimate = Playlist.estimateSegmentRequestTime(segmentDuration, bandwidth, playlist);
+    var rebufferingImpact = requestTimeEstimate * numRequests - timeUntilRebuffer;
+
+    return {
+      playlist: playlist,
+      rebufferingImpact: rebufferingImpact
+    };
+  });
+
+  var noRebufferingPlaylists = rebufferingEstimates.filter(function (estimate) {
+    return estimate.rebufferingImpact <= 0;
+  });
+
+  // Sort by bandwidth DESC
+  stableSort(noRebufferingPlaylists, function (a, b) {
+    return comparePlaylistBandwidth(b.playlist, a.playlist);
+  });
+
+  if (noRebufferingPlaylists.length) {
+    return noRebufferingPlaylists[0];
+  }
+
+  stableSort(rebufferingEstimates, function (a, b) {
+    return a.rebufferingImpact - b.rebufferingImpact;
+  });
+
+  return rebufferingEstimates[0] || null;
+};
+
+/**
+ * Chooses the appropriate media playlist, which in this case is the lowest bitrate
+ * one with video.  If no renditions with video exist, return the lowest audio rendition.
+ *
+ * Expects to be called within the context of an instance of HlsHandler
+ *
+ * @return {Object|null}
+ *         {Object} return.playlist
+ *         The lowest bitrate playlist that contains a video codec.  If no such rendition
+ *         exists pick the lowest audio rendition.
+ */
+var lowestBitrateCompatibleVariantSelector = function lowestBitrateCompatibleVariantSelector() {
+  // filter out any playlists that have been excluded due to
+  // incompatible configurations or playback errors
+  var playlists = this.playlists.master.playlists.filter(Playlist.isEnabled);
+
+  // Sort ascending by bitrate
+  stableSort(playlists, function (a, b) {
+    return comparePlaylistBandwidth(a, b);
+  });
+
+  // Parse and assume that playlists with no video codec have no video
+  // (this is not necessarily true, although it is generally true).
+  //
+  // If an entire manifest has no valid videos everything will get filtered
+  // out.
+  var playlistsWithVideo = playlists.filter(function (playlist) {
+    return parseCodecs(playlist.attributes.CODECS).videoCodec;
+  });
+
+  return playlistsWithVideo[0] || null;
+};
+
+/**
+ * Create captions text tracks on video.js if they do not exist
+ *
+ * @param {Object} inbandTextTracks a reference to current inbandTextTracks
+ * @param {Object} tech the video.js tech
+ * @param {Object} captionStreams the caption streams to create
+ * @private
+ */
+var createCaptionsTrackIfNotExists = function createCaptionsTrackIfNotExists(inbandTextTracks, tech, captionStreams) {
+  for (var trackId in captionStreams) {
+    if (!inbandTextTracks[trackId]) {
+      tech.trigger({ type: 'usage', name: 'hls-608' });
+      var track = tech.textTracks().getTrackById(trackId);
+
+      if (track) {
+        // Resuse an existing track with a CC# id because this was
+        // very likely created by videojs-contrib-hls from information
+        // in the m3u8 for us to use
+        inbandTextTracks[trackId] = track;
+      } else {
+        // Otherwise, create a track with the default `CC#` label and
+        // without a language
+        inbandTextTracks[trackId] = tech.addRemoteTextTrack({
+          kind: 'captions',
+          id: trackId,
+          label: trackId
+        }, false).track;
+      }
+    }
+  }
+};
+
+var addCaptionData = function addCaptionData(_ref) {
+  var inbandTextTracks = _ref.inbandTextTracks,
+      captionArray = _ref.captionArray,
+      timestampOffset = _ref.timestampOffset;
+
+  if (!captionArray) {
+    return;
+  }
+
+  var Cue = window.WebKitDataCue || window.VTTCue;
+
+  captionArray.forEach(function (caption) {
+    var track = caption.stream;
+    var startTime = caption.startTime;
+    var endTime = caption.endTime;
+
+    if (!inbandTextTracks[track]) {
+      return;
+    }
+
+    startTime += timestampOffset;
+    endTime += timestampOffset;
+
+    inbandTextTracks[track].addCue(new Cue(startTime, endTime, caption.text));
+  });
+};
+
+/**
+ * @file segment-loader.js
+ */
+
+// in ms
+var CHECK_BUFFER_DELAY = 500;
+
+/**
+ * Determines if we should call endOfStream on the media source based
+ * on the state of the buffer or if appened segment was the final
+ * segment in the playlist.
+ *
+ * @param {Object} playlist a media playlist object
+ * @param {Object} mediaSource the MediaSource object
+ * @param {Number} segmentIndex the index of segment we last appended
+ * @returns {Boolean} do we need to call endOfStream on the MediaSource
+ */
+var detectEndOfStream = function detectEndOfStream(playlist, mediaSource, segmentIndex) {
+  if (!playlist || !mediaSource) {
+    return false;
+  }
+
+  var segments = playlist.segments;
+
+  // determine a few boolean values to help make the branch below easier
+  // to read
+  var appendedLastSegment = segmentIndex === segments.length;
+
+  // if we've buffered to the end of the video, we need to call endOfStream
+  // so that MediaSources can trigger the `ended` event when it runs out of
+  // buffered data instead of waiting for me
+  return playlist.endList && mediaSource.readyState === 'open' && appendedLastSegment;
+};
+
+var finite = function finite(num) {
+  return typeof num === 'number' && isFinite(num);
+};
+
+var illegalMediaSwitch = function illegalMediaSwitch(loaderType, startingMedia, newSegmentMedia) {
+  // Although these checks should most likely cover non 'main' types, for now it narrows
+  // the scope of our checks.
+  if (loaderType !== 'main' || !startingMedia || !newSegmentMedia) {
+    return null;
+  }
+
+  if (!newSegmentMedia.containsAudio && !newSegmentMedia.containsVideo) {
+    return 'Neither audio nor video found in segment.';
+  }
+
+  if (startingMedia.containsVideo && !newSegmentMedia.containsVideo) {
+    return 'Only audio found in segment when we expected video.' + ' We can\'t switch to audio only from a stream that had video.' + ' To get rid of this message, please add codec information to the manifest.';
+  }
+
+  if (!startingMedia.containsVideo && newSegmentMedia.containsVideo) {
+    return 'Video found in segment when we expected only audio.' + ' We can\'t switch to a stream with video from an audio only stream.' + ' To get rid of this message, please add codec information to the manifest.';
+  }
+
+  return null;
+};
+
+/**
+ * Calculates a time value that is safe to remove from the back buffer without interupting
+ * playback.
+ *
+ * @param {TimeRange} seekable
+ *        The current seekable range
+ * @param {Number} currentTime
+ *        The current time of the player
+ * @param {Number} targetDuration
+ *        The target duration of the current playlist
+ * @return {Number}
+ *         Time that is safe to remove from the back buffer without interupting playback
+ */
+var safeBackBufferTrimTime = function safeBackBufferTrimTime(seekable$$1, currentTime, targetDuration) {
+  var removeToTime = void 0;
+
+  if (seekable$$1.length && seekable$$1.start(0) > 0 && seekable$$1.start(0) < currentTime) {
+    // If we have a seekable range use that as the limit for what can be removed safely
+    removeToTime = seekable$$1.start(0);
+  } else {
+    // otherwise remove anything older than 30 seconds before the current play head
+    removeToTime = currentTime - 30;
+  }
+
+  // Don't allow removing from the buffer within target duration of current time
+  // to avoid the possibility of removing the GOP currently being played which could
+  // cause playback stalls.
+  return Math.min(removeToTime, currentTime - targetDuration);
+};
+
+var segmentInfoString = function segmentInfoString(segmentInfo) {
+  var _segmentInfo$segment = segmentInfo.segment,
+      start = _segmentInfo$segment.start,
+      end = _segmentInfo$segment.end,
+      _segmentInfo$playlist = segmentInfo.playlist,
+      seq = _segmentInfo$playlist.mediaSequence,
+      id = _segmentInfo$playlist.id,
+      _segmentInfo$playlist2 = _segmentInfo$playlist.segments,
+      segments = _segmentInfo$playlist2 === undefined ? [] : _segmentInfo$playlist2,
+      index = segmentInfo.mediaIndex,
+      timeline = segmentInfo.timeline;
+
+  return ['appending [' + index + '] of [' + seq + ', ' + (seq + segments.length) + '] from playlist [' + id + ']', '[' + start + ' => ' + end + '] in timeline [' + timeline + ']'].join(' ');
+};
+
+/**
+ * An object that manages segment loading and appending.
+ *
+ * @class SegmentLoader
+ * @param {Object} options required and optional options
+ * @extends videojs.EventTarget
+ */
+
+var SegmentLoader = function (_videojs$EventTarget) {
+  inherits$1(SegmentLoader, _videojs$EventTarget);
+
+  function SegmentLoader(settings) {
+    classCallCheck$1(this, SegmentLoader);
+
+    // check pre-conditions
+    var _this = possibleConstructorReturn$1(this, (SegmentLoader.__proto__ || Object.getPrototypeOf(SegmentLoader)).call(this));
+
+    if (!settings) {
+      throw new TypeError('Initialization settings are required');
+    }
+    if (typeof settings.currentTime !== 'function') {
+      throw new TypeError('No currentTime getter specified');
+    }
+    if (!settings.mediaSource) {
+      throw new TypeError('No MediaSource specified');
+    }
+    // public properties
+    _this.bandwidth = settings.bandwidth;
+    _this.throughput = { rate: 0, count: 0 };
+    _this.roundTrip = NaN;
+    _this.resetStats_();
+    _this.mediaIndex = null;
+
+    // private settings
+    _this.hasPlayed_ = settings.hasPlayed;
+    _this.currentTime_ = settings.currentTime;
+    _this.seekable_ = settings.seekable;
+    _this.seeking_ = settings.seeking;
+    _this.duration_ = settings.duration;
+    _this.mediaSource_ = settings.mediaSource;
+    _this.hls_ = settings.hls;
+    _this.loaderType_ = settings.loaderType;
+    _this.startingMedia_ = void 0;
+    _this.segmentMetadataTrack_ = settings.segmentMetadataTrack;
+    _this.goalBufferLength_ = settings.goalBufferLength;
+    _this.sourceType_ = settings.sourceType;
+    _this.inbandTextTracks_ = settings.inbandTextTracks;
+    _this.state_ = 'INIT';
+
+    // private instance variables
+    _this.checkBufferTimeout_ = null;
+    _this.error_ = void 0;
+    _this.currentTimeline_ = -1;
+    _this.pendingSegment_ = null;
+    _this.mimeType_ = null;
+    _this.sourceUpdater_ = null;
+    _this.xhrOptions_ = null;
+
+    // Fragmented mp4 playback
+    _this.activeInitSegmentId_ = null;
+    _this.initSegments_ = {};
+    // Fmp4 CaptionParser
+    _this.captionParser_ = new mp4.CaptionParser();
+
+    _this.decrypter_ = settings.decrypter;
+
+    // Manages the tracking and generation of sync-points, mappings
+    // between a time in the display time and a segment index within
+    // a playlist
+    _this.syncController_ = settings.syncController;
+    _this.syncPoint_ = {
+      segmentIndex: 0,
+      time: 0
+    };
+
+    _this.syncController_.on('syncinfoupdate', function () {
+      return _this.trigger('syncinfoupdate');
+    });
+
+    _this.mediaSource_.addEventListener('sourceopen', function () {
+      return _this.ended_ = false;
+    });
+
+    // ...for determining the fetch location
+    _this.fetchAtBuffer_ = false;
+
+    _this.logger_ = logger('SegmentLoader[' + _this.loaderType_ + ']');
+
+    Object.defineProperty(_this, 'state', {
+      get: function get$$1() {
+        return this.state_;
+      },
+      set: function set$$1(newState) {
+        if (newState !== this.state_) {
+          this.logger_(this.state_ + ' -> ' + newState);
+          this.state_ = newState;
+        }
+      }
+    });
+    return _this;
+  }
+
+  /**
+   * reset all of our media stats
+   *
+   * @private
+   */
+
+  createClass$1(SegmentLoader, [{
+    key: 'resetStats_',
+    value: function resetStats_() {
+      this.mediaBytesTransferred = 0;
+      this.mediaRequests = 0;
+      this.mediaRequestsAborted = 0;
+      this.mediaRequestsTimedout = 0;
+      this.mediaRequestsErrored = 0;
+      this.mediaTransferDuration = 0;
+      this.mediaSecondsLoaded = 0;
+    }
+
+    /**
+     * dispose of the SegmentLoader and reset to the default state
+     */
+
+  }, {
+    key: 'dispose',
+    value: function dispose() {
+      this.state = 'DISPOSED';
+      this.pause();
+      this.abort_();
+      if (this.sourceUpdater_) {
+        this.sourceUpdater_.dispose();
+      }
+      this.resetStats_();
+      this.captionParser_.reset();
+    }
+
+    /**
+     * abort anything that is currently doing on with the SegmentLoader
+     * and reset to a default state
+     */
+
+  }, {
+    key: 'abort',
+    value: function abort() {
+      if (this.state !== 'WAITING') {
+        if (this.pendingSegment_) {
+          this.pendingSegment_ = null;
+        }
+        return;
+      }
+
+      this.abort_();
+
+      // We aborted the requests we were waiting on, so reset the loader's state to READY
+      // since we are no longer "waiting" on any requests. XHR callback is not always run
+      // when the request is aborted. This will prevent the loader from being stuck in the
+      // WAITING state indefinitely.
+      this.state = 'READY';
+
+      // don't wait for buffer check timeouts to begin fetching the
+      // next segment
+      if (!this.paused()) {
+        this.monitorBuffer_();
+      }
+    }
+
+    /**
+     * abort all pending xhr requests and null any pending segements
+     *
+     * @private
+     */
+
+  }, {
+    key: 'abort_',
+    value: function abort_() {
+      if (this.pendingSegment_) {
+        this.pendingSegment_.abortRequests();
+      }
+
+      // clear out the segment being processed
+      this.pendingSegment_ = null;
+    }
+
+    /**
+     * set an error on the segment loader and null out any pending segements
+     *
+     * @param {Error} error the error to set on the SegmentLoader
+     * @return {Error} the error that was set or that is currently set
+     */
+
+  }, {
+    key: 'error',
+    value: function error(_error) {
+      if (typeof _error !== 'undefined') {
+        this.error_ = _error;
+      }
+
+      this.pendingSegment_ = null;
+      return this.error_;
+    }
+  }, {
+    key: 'endOfStream',
+    value: function endOfStream() {
+      this.ended_ = true;
+      this.pause();
+      this.trigger('ended');
+    }
+
+    /**
+     * Indicates which time ranges are buffered
+     *
+     * @return {TimeRange}
+     *         TimeRange object representing the current buffered ranges
+     */
+
+  }, {
+    key: 'buffered_',
+    value: function buffered_() {
+      if (!this.sourceUpdater_) {
+        return videojs$1.createTimeRanges();
+      }
+
+      return this.sourceUpdater_.buffered();
+    }
+
+    /**
+     * Gets and sets init segment for the provided map
+     *
+     * @param {Object} map
+     *        The map object representing the init segment to get or set
+     * @param {Boolean=} set
+     *        If true, the init segment for the provided map should be saved
+     * @return {Object}
+     *         map object for desired init segment
+     */
+
+  }, {
+    key: 'initSegment',
+    value: function initSegment(map) {
+      var set$$1 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+
+      if (!map) {
+        return null;
+      }
+
+      var id = initSegmentId(map);
+      var storedMap = this.initSegments_[id];
+
+      if (set$$1 && !storedMap && map.bytes) {
+        this.initSegments_[id] = storedMap = {
+          resolvedUri: map.resolvedUri,
+          byterange: map.byterange,
+          bytes: map.bytes,
+          timescales: map.timescales,
+          videoTrackIds: map.videoTrackIds
+        };
+      }
+
+      return storedMap || map;
+    }
+
+    /**
+     * Returns true if all configuration required for loading is present, otherwise false.
+     *
+     * @return {Boolean} True if the all configuration is ready for loading
+     * @private
+     */
+
+  }, {
+    key: 'couldBeginLoading_',
+    value: function couldBeginLoading_() {
+      return this.playlist_ && (
+      // the source updater is created when init_ is called, so either having a
+      // source updater or being in the INIT state with a mimeType is enough
+      // to say we have all the needed configuration to start loading.
+      this.sourceUpdater_ || this.mimeType_ && this.state === 'INIT') && !this.paused();
+    }
+
+    /**
+     * load a playlist and start to fill the buffer
+     */
+
+  }, {
+    key: 'load',
+    value: function load() {
+      // un-pause
+      this.monitorBuffer_();
+
+      // if we don't have a playlist yet, keep waiting for one to be
+      // specified
+      if (!this.playlist_) {
+        return;
+      }
+
+      // not sure if this is the best place for this
+      this.syncController_.setDateTimeMapping(this.playlist_);
+
+      // if all the configuration is ready, initialize and begin loading
+      if (this.state === 'INIT' && this.couldBeginLoading_()) {
+        return this.init_();
+      }
+
+      // if we're in the middle of processing a segment already, don't
+      // kick off an additional segment request
+      if (!this.couldBeginLoading_() || this.state !== 'READY' && this.state !== 'INIT') {
+        return;
+      }
+
+      this.state = 'READY';
+    }
+
+    /**
+     * Once all the starting parameters have been specified, begin
+     * operation. This method should only be invoked from the INIT
+     * state.
+     *
+     * @private
+     */
+
+  }, {
+    key: 'init_',
+    value: function init_() {
+      this.state = 'READY';
+      this.sourceUpdater_ = new SourceUpdater(this.mediaSource_, this.mimeType_, this.loaderType_, this.sourceBufferEmitter_);
+      this.resetEverything();
+      return this.monitorBuffer_();
+    }
+
+    /**
+     * set a playlist on the segment loader
+     *
+     * @param {PlaylistLoader} media the playlist to set on the segment loader
+     */
+
+  }, {
+    key: 'playlist',
+    value: function playlist(newPlaylist) {
+      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+      if (!newPlaylist) {
+        return;
+      }
+
+      var oldPlaylist = this.playlist_;
+      var segmentInfo = this.pendingSegment_;
+
+      this.playlist_ = newPlaylist;
+      this.xhrOptions_ = options;
+
+      // when we haven't started playing yet, the start of a live playlist
+      // is always our zero-time so force a sync update each time the playlist
+      // is refreshed from the server
+      if (!this.hasPlayed_()) {
+        newPlaylist.syncInfo = {
+          mediaSequence: newPlaylist.mediaSequence,
+          time: 0
+        };
+      }
+
+      var oldId = oldPlaylist ? oldPlaylist.id : null;
+
+      this.logger_('playlist update [' + oldId + ' => ' + newPlaylist.id + ']');
+
+      // in VOD, this is always a rendition switch (or we updated our syncInfo above)
+      // in LIVE, we always want to update with new playlists (including refreshes)
+      this.trigger('syncinfoupdate');
+
+      // if we were unpaused but waiting for a playlist, start
+      // buffering now
+      if (this.state === 'INIT' && this.couldBeginLoading_()) {
+        return this.init_();
+      }
+
+      if (!oldPlaylist || oldPlaylist.uri !== newPlaylist.uri) {
+        if (this.mediaIndex !== null) {
+          // we must "resync" the segment loader when we switch renditions and
+          // the segment loader is already synced to the previous rendition
+          this.resyncLoader();
+        }
+
+        // the rest of this function depends on `oldPlaylist` being defined
+        return;
+      }
+
+      // we reloaded the same playlist so we are in a live scenario
+      // and we will likely need to adjust the mediaIndex
+      var mediaSequenceDiff = newPlaylist.mediaSequence - oldPlaylist.mediaSequence;
+
+      this.logger_('live window shift [' + mediaSequenceDiff + ']');
+
+      // update the mediaIndex on the SegmentLoader
+      // this is important because we can abort a request and this value must be
+      // equal to the last appended mediaIndex
+      if (this.mediaIndex !== null) {
+        this.mediaIndex -= mediaSequenceDiff;
+      }
+
+      // update the mediaIndex on the SegmentInfo object
+      // this is important because we will update this.mediaIndex with this value
+      // in `handleUpdateEnd_` after the segment has been successfully appended
+      if (segmentInfo) {
+        segmentInfo.mediaIndex -= mediaSequenceDiff;
+
+        // we need to update the referenced segment so that timing information is
+        // saved for the new playlist's segment, however, if the segment fell off the
+        // playlist, we can leave the old reference and just lose the timing info
+        if (segmentInfo.mediaIndex >= 0) {
+          segmentInfo.segment = newPlaylist.segments[segmentInfo.mediaIndex];
+        }
+      }
+
+      this.syncController_.saveExpiredSegmentInfo(oldPlaylist, newPlaylist);
+    }
+
+    /**
+     * Prevent the loader from fetching additional segments. If there
+     * is a segment request outstanding, it will finish processing
+     * before the loader halts. A segment loader can be unpaused by
+     * calling load().
+     */
+
+  }, {
+    key: 'pause',
+    value: function pause() {
+      if (this.checkBufferTimeout_) {
+        window$1.clearTimeout(this.checkBufferTimeout_);
+
+        this.checkBufferTimeout_ = null;
+      }
+    }
+
+    /**
+     * Returns whether the segment loader is fetching additional
+     * segments when given the opportunity. This property can be
+     * modified through calls to pause() and load().
+     */
+
+  }, {
+    key: 'paused',
+    value: function paused() {
+      return this.checkBufferTimeout_ === null;
+    }
+
+    /**
+     * create/set the following mimetype on the SourceBuffer through a
+     * SourceUpdater
+     *
+     * @param {String} mimeType the mime type string to use
+     * @param {Object} sourceBufferEmitter an event emitter that fires when a source buffer
+     * is added to the media source
+     */
+
+  }, {
+    key: 'mimeType',
+    value: function mimeType(_mimeType, sourceBufferEmitter) {
+      if (this.mimeType_) {
+        return;
+      }
+
+      this.mimeType_ = _mimeType;
+      this.sourceBufferEmitter_ = sourceBufferEmitter;
+      // if we were unpaused but waiting for a sourceUpdater, start
+      // buffering now
+      if (this.state === 'INIT' && this.couldBeginLoading_()) {
+        this.init_();
+      }
+    }
+
+    /**
+     * Delete all the buffered data and reset the SegmentLoader
+     * @param {Function} [done] an optional callback to be executed when the remove
+     * operation is complete
+     */
+
+  }, {
+    key: 'resetEverything',
+    value: function resetEverything(done) {
+      this.ended_ = false;
+      this.resetLoader();
+      this.remove(0, this.duration_(), done);
+      // clears fmp4 captions
+      this.captionParser_.clearAllCaptions();
+      this.trigger('reseteverything');
+    }
+
+    /**
+     * Force the SegmentLoader to resync and start loading around the currentTime instead
+     * of starting at the end of the buffer
+     *
+     * Useful for fast quality changes
+     */
+
+  }, {
+    key: 'resetLoader',
+    value: function resetLoader() {
+      this.fetchAtBuffer_ = false;
+      this.resyncLoader();
+    }
+
+    /**
+     * Force the SegmentLoader to restart synchronization and make a conservative guess
+     * before returning to the simple walk-forward method
+     */
+
+  }, {
+    key: 'resyncLoader',
+    value: function resyncLoader() {
+      this.mediaIndex = null;
+      this.syncPoint_ = null;
+      this.abort();
+    }
+
+    /**
+     * Remove any data in the source buffer between start and end times
+     * @param {Number} start - the start time of the region to remove from the buffer
+     * @param {Number} end - the end time of the region to remove from the buffer
+     * @param {Function} [done] - an optional callback to be executed when the remove
+     * operation is complete
+     */
+
+  }, {
+    key: 'remove',
+    value: function remove(start, end, done) {
+      if (this.sourceUpdater_) {
+        this.sourceUpdater_.remove(start, end, done);
+      }
+      removeCuesFromTrack(start, end, this.segmentMetadataTrack_);
+
+      if (this.inbandTextTracks_) {
+        for (var id in this.inbandTextTracks_) {
+          removeCuesFromTrack(start, end, this.inbandTextTracks_[id]);
+        }
+      }
+    }
+
+    /**
+     * (re-)schedule monitorBufferTick_ to run as soon as possible
+     *
+     * @private
+     */
+
+  }, {
+    key: 'monitorBuffer_',
+    value: function monitorBuffer_() {
+      if (this.checkBufferTimeout_) {
+        window$1.clearTimeout(this.checkBufferTimeout_);
+      }
+
+      this.checkBufferTimeout_ = window$1.setTimeout(this.monitorBufferTick_.bind(this), 1);
+    }
+
+    /**
+     * As long as the SegmentLoader is in the READY state, periodically
+     * invoke fillBuffer_().
+     *
+     * @private
+     */
+
+  }, {
+    key: 'monitorBufferTick_',
+    value: function monitorBufferTick_() {
+      if (this.state === 'READY') {
+        this.fillBuffer_();
+      }
+
+      if (this.checkBufferTimeout_) {
+        window$1.clearTimeout(this.checkBufferTimeout_);
+      }
+
+      this.checkBufferTimeout_ = window$1.setTimeout(this.monitorBufferTick_.bind(this), CHECK_BUFFER_DELAY);
+    }
+
+    /**
+     * fill the buffer with segements unless the sourceBuffers are
+     * currently updating
+     *
+     * Note: this function should only ever be called by monitorBuffer_
+     * and never directly
+     *
+     * @private
+     */
+
+  }, {
+    key: 'fillBuffer_',
+    value: function fillBuffer_() {
+      if (this.sourceUpdater_.updating()) {
+        return;
+      }
+
+      if (!this.syncPoint_) {
+        this.syncPoint_ = this.syncController_.getSyncPoint(this.playlist_, this.duration_(), this.currentTimeline_, this.currentTime_());
+      }
+
+      // see if we need to begin loading immediately
+      var segmentInfo = this.checkBuffer_(this.buffered_(), this.playlist_, this.mediaIndex, this.hasPlayed_(), this.currentTime_(), this.syncPoint_);
+
+      if (!segmentInfo) {
+        return;
+      }
+
+      var isEndOfStream = detectEndOfStream(this.playlist_, this.mediaSource_, segmentInfo.mediaIndex);
+
+      if (isEndOfStream) {
+        this.endOfStream();
+        return;
+      }
+
+      if (segmentInfo.mediaIndex === this.playlist_.segments.length - 1 && this.mediaSource_.readyState === 'ended' && !this.seeking_()) {
+        return;
+      }
+
+      // We will need to change timestampOffset of the sourceBuffer if either of
+      // the following conditions are true:
+      // - The segment.timeline !== this.currentTimeline
+      //   (we are crossing a discontinuity somehow)
+      // - The "timestampOffset" for the start of this segment is less than
+      //   the currently set timestampOffset
+      // Also, clear captions if we are crossing a discontinuity boundary
+      if (segmentInfo.timeline !== this.currentTimeline_ || segmentInfo.startOfSegment !== null && segmentInfo.startOfSegment < this.sourceUpdater_.timestampOffset()) {
+        this.syncController_.reset();
+        segmentInfo.timestampOffset = segmentInfo.startOfSegment;
+        this.captionParser_.clearAllCaptions();
+      }
+
+      this.loadSegment_(segmentInfo);
+    }
+
+    /**
+     * Determines what segment request should be made, given current playback
+     * state.
+     *
+     * @param {TimeRanges} buffered - the state of the buffer
+     * @param {Object} playlist - the playlist object to fetch segments from
+     * @param {Number} mediaIndex - the previous mediaIndex fetched or null
+     * @param {Boolean} hasPlayed - a flag indicating whether we have played or not
+     * @param {Number} currentTime - the playback position in seconds
+     * @param {Object} syncPoint - a segment info object that describes the
+     * @returns {Object} a segment request object that describes the segment to load
+     */
+
+  }, {
+    key: 'checkBuffer_',
+    value: function checkBuffer_(buffered, playlist, mediaIndex, hasPlayed, currentTime, syncPoint) {
+      var lastBufferedEnd = 0;
+      var startOfSegment = void 0;
+
+      if (buffered.length) {
+        lastBufferedEnd = buffered.end(buffered.length - 1);
+      }
+
+      var bufferedTime = Math.max(0, lastBufferedEnd - currentTime);
+
+      if (!playlist.segments.length) {
+        return null;
+      }
+
+      // if there is plenty of content buffered, and the video has
+      // been played before relax for awhile
+      if (bufferedTime >= this.goalBufferLength_()) {
+        return null;
+      }
+
+      // if the video has not yet played once, and we already have
+      // one segment downloaded do nothing
+      if (!hasPlayed && bufferedTime >= 1) {
+        return null;
+      }
+
+      // When the syncPoint is null, there is no way of determining a good
+      // conservative segment index to fetch from
+      // The best thing to do here is to get the kind of sync-point data by
+      // making a request
+      if (syncPoint === null) {
+        mediaIndex = this.getSyncSegmentCandidate_(playlist);
+        return this.generateSegmentInfo_(playlist, mediaIndex, null, true);
+      }
+
+      // Under normal playback conditions fetching is a simple walk forward
+      if (mediaIndex !== null) {
+        var segment = playlist.segments[mediaIndex];
+
+        if (segment && segment.end) {
+          startOfSegment = segment.end;
+        } else {
+          startOfSegment = lastBufferedEnd;
+        }
+        return this.generateSegmentInfo_(playlist, mediaIndex + 1, startOfSegment, false);
+      }
+
+      // There is a sync-point but the lack of a mediaIndex indicates that
+      // we need to make a good conservative guess about which segment to
+      // fetch
+      if (this.fetchAtBuffer_) {
+        // Find the segment containing the end of the buffer
+        var mediaSourceInfo = Playlist.getMediaInfoForTime(playlist, lastBufferedEnd, syncPoint.segmentIndex, syncPoint.time);
+
+        mediaIndex = mediaSourceInfo.mediaIndex;
+        startOfSegment = mediaSourceInfo.startTime;
+      } else {
+        // Find the segment containing currentTime
+        var _mediaSourceInfo = Playlist.getMediaInfoForTime(playlist, currentTime, syncPoint.segmentIndex, syncPoint.time);
+
+        mediaIndex = _mediaSourceInfo.mediaIndex;
+        startOfSegment = _mediaSourceInfo.startTime;
+      }
+
+      return this.generateSegmentInfo_(playlist, mediaIndex, startOfSegment, false);
+    }
+
+    /**
+     * The segment loader has no recourse except to fetch a segment in the
+     * current playlist and use the internal timestamps in that segment to
+     * generate a syncPoint. This function returns a good candidate index
+     * for that process.
+     *
+     * @param {Object} playlist - the playlist object to look for a
+     * @returns {Number} An index of a segment from the playlist to load
+     */
+
+  }, {
+    key: 'getSyncSegmentCandidate_',
+    value: function getSyncSegmentCandidate_(playlist) {
+      var _this2 = this;
+
+      if (this.currentTimeline_ === -1) {
+        return 0;
+      }
+
+      var segmentIndexArray = playlist.segments.map(function (s, i) {
+        return {
+          timeline: s.timeline,
+          segmentIndex: i
+        };
+      }).filter(function (s) {
+        return s.timeline === _this2.currentTimeline_;
+      });
+
+      if (segmentIndexArray.length) {
+        return segmentIndexArray[Math.min(segmentIndexArray.length - 1, 1)].segmentIndex;
+      }
+
+      return Math.max(playlist.segments.length - 1, 0);
+    }
+  }, {
+    key: 'generateSegmentInfo_',
+    value: function generateSegmentInfo_(playlist, mediaIndex, startOfSegment, isSyncRequest) {
+      if (mediaIndex < 0 || mediaIndex >= playlist.segments.length) {
+        return null;
+      }
+
+      var segment = playlist.segments[mediaIndex];
+
+      return {
+        requestId: 'segment-loader-' + Math.random(),
+        // resolve the segment URL relative to the playlist
+        uri: segment.resolvedUri,
+        // the segment's mediaIndex at the time it was requested
+        mediaIndex: mediaIndex,
+        // whether or not to update the SegmentLoader's state with this
+        // segment's mediaIndex
+        isSyncRequest: isSyncRequest,
+        startOfSegment: startOfSegment,
+        // the segment's playlist
+        playlist: playlist,
+        // unencrypted bytes of the segment
+        bytes: null,
+        // when a key is defined for this segment, the encrypted bytes
+        encryptedBytes: null,
+        // The target timestampOffset for this segment when we append it
+        // to the source buffer
+        timestampOffset: null,
+        // The timeline that the segment is in
+        timeline: segment.timeline,
+        // The expected duration of the segment in seconds
+        duration: segment.duration,
+        // retain the segment in case the playlist updates while doing an async process
+        segment: segment
+      };
+    }
+
+    /**
+     * Determines if the network has enough bandwidth to complete the current segment
+     * request in a timely manner. If not, the request will be aborted early and bandwidth
+     * updated to trigger a playlist switch.
+     *
+     * @param {Object} stats
+     *        Object containing stats about the request timing and size
+     * @return {Boolean} True if the request was aborted, false otherwise
+     * @private
+     */
+
+  }, {
+    key: 'abortRequestEarly_',
+    value: function abortRequestEarly_(stats) {
+      if (this.hls_.tech_.paused() ||
+      // Don't abort if the current playlist is on the lowestEnabledRendition
+      // TODO: Replace using timeout with a boolean indicating whether this playlist is
+      //       the lowestEnabledRendition.
+      !this.xhrOptions_.timeout ||
+      // Don't abort if we have no bandwidth information to estimate segment sizes
+      !this.playlist_.attributes.BANDWIDTH) {
+        return false;
+      }
+
+      // Wait at least 1 second since the first byte of data has been received before
+      // using the calculated bandwidth from the progress event to allow the bitrate
+      // to stabilize
+      if (Date.now() - (stats.firstBytesReceivedAt || Date.now()) < 1000) {
+        return false;
+      }
+
+      var currentTime = this.currentTime_();
+      var measuredBandwidth = stats.bandwidth;
+      var segmentDuration = this.pendingSegment_.duration;
+
+      var requestTimeRemaining = Playlist.estimateSegmentRequestTime(segmentDuration, measuredBandwidth, this.playlist_, stats.bytesReceived);
+
+      // Subtract 1 from the timeUntilRebuffer so we still consider an early abort
+      // if we are only left with less than 1 second when the request completes.
+      // A negative timeUntilRebuffering indicates we are already rebuffering
+      var timeUntilRebuffer$$1 = timeUntilRebuffer(this.buffered_(), currentTime, this.hls_.tech_.playbackRate()) - 1;
+
+      // Only consider aborting early if the estimated time to finish the download
+      // is larger than the estimated time until the player runs out of forward buffer
+      if (requestTimeRemaining <= timeUntilRebuffer$$1) {
+        return false;
+      }
+
+      var switchCandidate = minRebufferMaxBandwidthSelector({
+        master: this.hls_.playlists.master,
+        currentTime: currentTime,
+        bandwidth: measuredBandwidth,
+        duration: this.duration_(),
+        segmentDuration: segmentDuration,
+        timeUntilRebuffer: timeUntilRebuffer$$1,
+        currentTimeline: this.currentTimeline_,
+        syncController: this.syncController_
+      });
+
+      if (!switchCandidate) {
+        return;
+      }
+
+      var rebufferingImpact = requestTimeRemaining - timeUntilRebuffer$$1;
+
+      var timeSavedBySwitching = rebufferingImpact - switchCandidate.rebufferingImpact;
+
+      var minimumTimeSaving = 0.5;
+
+      // If we are already rebuffering, increase the amount of variance we add to the
+      // potential round trip time of the new request so that we are not too aggressive
+      // with switching to a playlist that might save us a fraction of a second.
+      if (timeUntilRebuffer$$1 <= TIME_FUDGE_FACTOR) {
+        minimumTimeSaving = 1;
+      }
+
+      if (!switchCandidate.playlist || switchCandidate.playlist.uri === this.playlist_.uri || timeSavedBySwitching < minimumTimeSaving) {
+        return false;
+      }
+
+      // set the bandwidth to that of the desired playlist being sure to scale by
+      // BANDWIDTH_VARIANCE and add one so the playlist selector does not exclude it
+      // don't trigger a bandwidthupdate as the bandwidth is artifial
+      this.bandwidth = switchCandidate.playlist.attributes.BANDWIDTH * Config.BANDWIDTH_VARIANCE + 1;
+      this.abort();
+      this.trigger('earlyabort');
+      return true;
+    }
+
+    /**
+     * XHR `progress` event handler
+     *
+     * @param {Event}
+     *        The XHR `progress` event
+     * @param {Object} simpleSegment
+     *        A simplified segment object copy
+     * @private
+     */
+
+  }, {
+    key: 'handleProgress_',
+    value: function handleProgress_(event, simpleSegment) {
+      if (!this.pendingSegment_ || simpleSegment.requestId !== this.pendingSegment_.requestId || this.abortRequestEarly_(simpleSegment.stats)) {
+        return;
+      }
+
+      this.trigger('progress');
+    }
+
+    /**
+     * load a specific segment from a request into the buffer
+     *
+     * @private
+     */
+
+  }, {
+    key: 'loadSegment_',
+    value: function loadSegment_(segmentInfo) {
+      this.state = 'WAITING';
+      this.pendingSegment_ = segmentInfo;
+      this.trimBackBuffer_(segmentInfo);
+
+      segmentInfo.abortRequests = mediaSegmentRequest(this.hls_.xhr, this.xhrOptions_, this.decrypter_, this.captionParser_, this.createSimplifiedSegmentObj_(segmentInfo),
+      // progress callback
+      this.handleProgress_.bind(this), this.segmentRequestFinished_.bind(this));
+    }
+
+    /**
+     * trim the back buffer so that we don't have too much data
+     * in the source buffer
+     *
+     * @private
+     *
+     * @param {Object} segmentInfo - the current segment
+     */
+
+  }, {
+    key: 'trimBackBuffer_',
+    value: function trimBackBuffer_(segmentInfo) {
+      var removeToTime = safeBackBufferTrimTime(this.seekable_(), this.currentTime_(), this.playlist_.targetDuration || 10);
+
+      // Chrome has a hard limit of 150MB of
+      // buffer and a very conservative "garbage collector"
+      // We manually clear out the old buffer to ensure
+      // we don't trigger the QuotaExceeded error
+      // on the source buffer during subsequent appends
+
+      if (removeToTime > 0) {
+        this.remove(0, removeToTime);
+      }
+    }
+
+    /**
+     * created a simplified copy of the segment object with just the
+     * information necessary to perform the XHR and decryption
+     *
+     * @private
+     *
+     * @param {Object} segmentInfo - the current segment
+     * @returns {Object} a simplified segment object copy
+     */
+
+  }, {
+    key: 'createSimplifiedSegmentObj_',
+    value: function createSimplifiedSegmentObj_(segmentInfo) {
+      var segment = segmentInfo.segment;
+      var simpleSegment = {
+        resolvedUri: segment.resolvedUri,
+        byterange: segment.byterange,
+        requestId: segmentInfo.requestId
+      };
+
+      if (segment.key) {
+        // if the media sequence is greater than 2^32, the IV will be incorrect
+        // assuming 10s segments, that would be about 1300 years
+        var iv = segment.key.iv || new Uint32Array([0, 0, 0, segmentInfo.mediaIndex + segmentInfo.playlist.mediaSequence]);
+
+        simpleSegment.key = {
+          resolvedUri: segment.key.resolvedUri,
+          iv: iv
+        };
+      }
+
+      if (segment.map) {
+        simpleSegment.map = this.initSegment(segment.map);
+      }
+
+      return simpleSegment;
+    }
+
+    /**
+     * Handle the callback from the segmentRequest function and set the
+     * associated SegmentLoader state and errors if necessary
+     *
+     * @private
+     */
+
+  }, {
+    key: 'segmentRequestFinished_',
+    value: function segmentRequestFinished_(error, simpleSegment) {
+      // every request counts as a media request even if it has been aborted
+      // or canceled due to a timeout
+      this.mediaRequests += 1;
+
+      if (simpleSegment.stats) {
+        this.mediaBytesTransferred += simpleSegment.stats.bytesReceived;
+        this.mediaTransferDuration += simpleSegment.stats.roundTripTime;
+      }
+
+      // The request was aborted and the SegmentLoader has already been reset
+      if (!this.pendingSegment_) {
+        this.mediaRequestsAborted += 1;
+        return;
+      }
+
+      // the request was aborted and the SegmentLoader has already started
+      // another request. this can happen when the timeout for an aborted
+      // request triggers due to a limitation in the XHR library
+      // do not count this as any sort of request or we risk double-counting
+      if (simpleSegment.requestId !== this.pendingSegment_.requestId) {
+        return;
+      }
+
+      // an error occurred from the active pendingSegment_ so reset everything
+      if (error) {
+        this.pendingSegment_ = null;
+        this.state = 'READY';
+
+        // the requests were aborted just record the aborted stat and exit
+        // this is not a true error condition and nothing corrective needs
+        // to be done
+        if (error.code === REQUEST_ERRORS.ABORTED) {
+          this.mediaRequestsAborted += 1;
+          return;
+        }
+
+        this.pause();
+
+        // the error is really just that at least one of the requests timed-out
+        // set the bandwidth to a very low value and trigger an ABR switch to
+        // take emergency action
+        if (error.code === REQUEST_ERRORS.TIMEOUT) {
+          this.mediaRequestsTimedout += 1;
+          this.bandwidth = 1;
+          this.roundTrip = NaN;
+          this.trigger('bandwidthupdate');
+          return;
+        }
+
+        // if control-flow has arrived here, then the error is real
+        // emit an error event to blacklist the current playlist
+        this.mediaRequestsErrored += 1;
+        this.error(error);
+        this.trigger('error');
+        return;
+      }
+
+      // the response was a success so set any bandwidth stats the request
+      // generated for ABR purposes
+      this.bandwidth = simpleSegment.stats.bandwidth;
+      this.roundTrip = simpleSegment.stats.roundTripTime;
+
+      // if this request included an initialization segment, save that data
+      // to the initSegment cache
+      if (simpleSegment.map) {
+        simpleSegment.map = this.initSegment(simpleSegment.map, true);
+      }
+
+      this.processSegmentResponse_(simpleSegment);
+    }
+
+    /**
+     * Move any important data from the simplified segment object
+     * back to the real segment object for future phases
+     *
+     * @private
+     */
+
+  }, {
+    key: 'processSegmentResponse_',
+    value: function processSegmentResponse_(simpleSegment) {
+      var segmentInfo = this.pendingSegment_;
+
+      segmentInfo.bytes = simpleSegment.bytes;
+      if (simpleSegment.map) {
+        segmentInfo.segment.map.bytes = simpleSegment.map.bytes;
+      }
+
+      segmentInfo.endOfAllRequests = simpleSegment.endOfAllRequests;
+
+      // This has fmp4 captions, add them to text tracks
+      if (simpleSegment.fmp4Captions) {
+        createCaptionsTrackIfNotExists(this.inbandTextTracks_, this.hls_.tech_, simpleSegment.captionStreams);
+        addCaptionData({
+          inbandTextTracks: this.inbandTextTracks_,
+          captionArray: simpleSegment.fmp4Captions,
+          // fmp4s will not have a timestamp offset
+          timestampOffset: 0
+        });
+        // Reset stored captions since we added parsed
+        // captions to a text track at this point
+        this.captionParser_.clearParsedCaptions();
+      }
+
+      this.handleSegment_();
+    }
+
+    /**
+     * append a decrypted segement to the SourceBuffer through a SourceUpdater
+     *
+     * @private
+     */
+
+  }, {
+    key: 'handleSegment_',
+    value: function handleSegment_() {
+      var _this3 = this;
+
+      if (!this.pendingSegment_) {
+        this.state = 'READY';
+        return;
+      }
+
+      var segmentInfo = this.pendingSegment_;
+      var segment = segmentInfo.segment;
+      var timingInfo = this.syncController_.probeSegmentInfo(segmentInfo);
+
+      // When we have our first timing info, determine what media types this loader is
+      // dealing with. Although we're maintaining extra state, it helps to preserve the
+      // separation of segment loader from the actual source buffers.
+      if (typeof this.startingMedia_ === 'undefined' && timingInfo && (
+      // Guard against cases where we're not getting timing info at all until we are
+      // certain that all streams will provide it.
+      timingInfo.containsAudio || timingInfo.containsVideo)) {
+        this.startingMedia_ = {
+          containsAudio: timingInfo.containsAudio,
+          containsVideo: timingInfo.containsVideo
+        };
+      }
+
+      var illegalMediaSwitchError = illegalMediaSwitch(this.loaderType_, this.startingMedia_, timingInfo);
+
+      if (illegalMediaSwitchError) {
+        this.error({
+          message: illegalMediaSwitchError,
+          blacklistDuration: Infinity
+        });
+        this.trigger('error');
+        return;
+      }
+
+      if (segmentInfo.isSyncRequest) {
+        this.trigger('syncinfoupdate');
+        this.pendingSegment_ = null;
+        this.state = 'READY';
+        return;
+      }
+
+      if (segmentInfo.timestampOffset !== null && segmentInfo.timestampOffset !== this.sourceUpdater_.timestampOffset()) {
+        this.sourceUpdater_.timestampOffset(segmentInfo.timestampOffset);
+        // fired when a timestamp offset is set in HLS (can also identify discontinuities)
+        this.trigger('timestampoffset');
+      }
+
+      var timelineMapping = this.syncController_.mappingForTimeline(segmentInfo.timeline);
+
+      if (timelineMapping !== null) {
+        this.trigger({
+          type: 'segmenttimemapping',
+          mapping: timelineMapping
+        });
+      }
+
+      this.state = 'APPENDING';
+
+      // if the media initialization segment is changing, append it
+      // before the content segment
+      if (segment.map) {
+        var initId = initSegmentId(segment.map);
+
+        if (!this.activeInitSegmentId_ || this.activeInitSegmentId_ !== initId) {
+          var initSegment = this.initSegment(segment.map);
+
+          this.sourceUpdater_.appendBuffer(initSegment.bytes, function () {
+            _this3.activeInitSegmentId_ = initId;
+          });
+        }
+      }
+
+      segmentInfo.byteLength = segmentInfo.bytes.byteLength;
+      if (typeof segment.start === 'number' && typeof segment.end === 'number') {
+        this.mediaSecondsLoaded += segment.end - segment.start;
+      } else {
+        this.mediaSecondsLoaded += segment.duration;
+      }
+
+      this.logger_(segmentInfoString(segmentInfo));
+
+      this.sourceUpdater_.appendBuffer(segmentInfo.bytes, this.handleUpdateEnd_.bind(this));
+    }
+
+    /**
+     * callback to run when appendBuffer is finished. detects if we are
+     * in a good state to do things with the data we got, or if we need
+     * to wait for more
+     *
+     * @private
+     */
+
+  }, {
+    key: 'handleUpdateEnd_',
+    value: function handleUpdateEnd_() {
+      if (!this.pendingSegment_) {
+        this.state = 'READY';
+        if (!this.paused()) {
+          this.monitorBuffer_();
+        }
+        return;
+      }
+
+      var segmentInfo = this.pendingSegment_;
+      var segment = segmentInfo.segment;
+      var isWalkingForward = this.mediaIndex !== null;
+
+      this.pendingSegment_ = null;
+      this.recordThroughput_(segmentInfo);
+      this.addSegmentMetadataCue_(segmentInfo);
+
+      this.state = 'READY';
+
+      this.mediaIndex = segmentInfo.mediaIndex;
+      this.fetchAtBuffer_ = true;
+      this.currentTimeline_ = segmentInfo.timeline;
+
+      // We must update the syncinfo to recalculate the seekable range before
+      // the following conditional otherwise it may consider this a bad "guess"
+      // and attempt to resync when the post-update seekable window and live
+      // point would mean that this was the perfect segment to fetch
+      this.trigger('syncinfoupdate');
+
+      // If we previously appended a segment that ends more than 3 targetDurations before
+      // the currentTime_ that means that our conservative guess was too conservative.
+      // In that case, reset the loader state so that we try to use any information gained
+      // from the previous request to create a new, more accurate, sync-point.
+      if (segment.end && this.currentTime_() - segment.end > segmentInfo.playlist.targetDuration * 3) {
+        this.resetEverything();
+        return;
+      }
+
+      // Don't do a rendition switch unless we have enough time to get a sync segment
+      // and conservatively guess
+      if (isWalkingForward) {
+        this.trigger('bandwidthupdate');
+      }
+      this.trigger('progress');
+
+      // any time an update finishes and the last segment is in the
+      // buffer, end the stream. this ensures the "ended" event will
+      // fire if playback reaches that point.
+      var isEndOfStream = detectEndOfStream(segmentInfo.playlist, this.mediaSource_, segmentInfo.mediaIndex + 1);
+
+      if (isEndOfStream) {
+        this.endOfStream();
+      }
+
+      if (!this.paused()) {
+        this.monitorBuffer_();
+      }
+    }
+
+    /**
+     * Records the current throughput of the decrypt, transmux, and append
+     * portion of the semgment pipeline. `throughput.rate` is a the cumulative
+     * moving average of the throughput. `throughput.count` is the number of
+     * data points in the average.
+     *
+     * @private
+     * @param {Object} segmentInfo the object returned by loadSegment
+     */
+
+  }, {
+    key: 'recordThroughput_',
+    value: function recordThroughput_(segmentInfo) {
+      var rate = this.throughput.rate;
+      // Add one to the time to ensure that we don't accidentally attempt to divide
+      // by zero in the case where the throughput is ridiculously high
+      var segmentProcessingTime = Date.now() - segmentInfo.endOfAllRequests + 1;
+      // Multiply by 8000 to convert from bytes/millisecond to bits/second
+      var segmentProcessingThroughput = Math.floor(segmentInfo.byteLength / segmentProcessingTime * 8 * 1000);
+
+      // This is just a cumulative moving average calculation:
+      //   newAvg = oldAvg + (sample - oldAvg) / (sampleCount + 1)
+      this.throughput.rate += (segmentProcessingThroughput - rate) / ++this.throughput.count;
+    }
+
+    /**
+     * Adds a cue to the segment-metadata track with some metadata information about the
+     * segment
+     *
+     * @private
+     * @param {Object} segmentInfo
+     *        the object returned by loadSegment
+     * @method addSegmentMetadataCue_
+     */
+
+  }, {
+    key: 'addSegmentMetadataCue_',
+    value: function addSegmentMetadataCue_(segmentInfo) {
+      if (!this.segmentMetadataTrack_) {
+        return;
+      }
+
+      var segment = segmentInfo.segment;
+      var start = segment.start;
+      var end = segment.end;
+
+      // Do not try adding the cue if the start and end times are invalid.
+      if (!finite(start) || !finite(end)) {
+        return;
+      }
+
+      removeCuesFromTrack(start, end, this.segmentMetadataTrack_);
+
+      var Cue = window$1.WebKitDataCue || window$1.VTTCue;
+      var value = {
+        bandwidth: segmentInfo.playlist.attributes.BANDWIDTH,
+        resolution: segmentInfo.playlist.attributes.RESOLUTION,
+        codecs: segmentInfo.playlist.attributes.CODECS,
+        byteLength: segmentInfo.byteLength,
+        uri: segmentInfo.uri,
+        timeline: segmentInfo.timeline,
+        playlist: segmentInfo.playlist.uri,
+        start: start,
+        end: end
+      };
+      var data = JSON.stringify(value);
+      var cue = new Cue(start, end, data);
+
+      // Attach the metadata to the value property of the cue to keep consistency between
+      // the differences of WebKitDataCue in safari and VTTCue in other browsers
+      cue.value = value;
+
+      this.segmentMetadataTrack_.addCue(cue);
+    }
+  }]);
+  return SegmentLoader;
+}(videojs$1.EventTarget);
+
+var uint8ToUtf8 = function uint8ToUtf8(uintArray) {
+  return decodeURIComponent(escape(String.fromCharCode.apply(null, uintArray)));
+};
+
+/**
+ * @file vtt-segment-loader.js
+ */
+
+var VTT_LINE_TERMINATORS = new Uint8Array('\n\n'.split('').map(function (char) {
+  return char.charCodeAt(0);
+}));
+
+/**
+ * An object that manages segment loading and appending.
+ *
+ * @class VTTSegmentLoader
+ * @param {Object} options required and optional options
+ * @extends videojs.EventTarget
+ */
+
+var VTTSegmentLoader = function (_SegmentLoader) {
+  inherits$1(VTTSegmentLoader, _SegmentLoader);
+
+  function VTTSegmentLoader(settings) {
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+    classCallCheck$1(this, VTTSegmentLoader);
+
+    // SegmentLoader requires a MediaSource be specified or it will throw an error;
+    // however, VTTSegmentLoader has no need of a media source, so delete the reference
+    var _this = possibleConstructorReturn$1(this, (VTTSegmentLoader.__proto__ || Object.getPrototypeOf(VTTSegmentLoader)).call(this, settings, options));
+
+    _this.mediaSource_ = null;
+
+    _this.subtitlesTrack_ = null;
+    return _this;
+  }
+
+  /**
+   * Indicates which time ranges are buffered
+   *
+   * @return {TimeRange}
+   *         TimeRange object representing the current buffered ranges
+   */
+
+  createClass$1(VTTSegmentLoader, [{
+    key: 'buffered_',
+    value: function buffered_() {
+      if (!this.subtitlesTrack_ || !this.subtitlesTrack_.cues.length) {
+        return videojs$1.createTimeRanges();
+      }
+
+      var cues = this.subtitlesTrack_.cues;
+      var start = cues[0].startTime;
+      var end = cues[cues.length - 1].startTime;
+
+      return videojs$1.createTimeRanges([[start, end]]);
+    }
+
+    /**
+     * Gets and sets init segment for the provided map
+     *
+     * @param {Object} map
+     *        The map object representing the init segment to get or set
+     * @param {Boolean=} set
+     *        If true, the init segment for the provided map should be saved
+     * @return {Object}
+     *         map object for desired init segment
+     */
+
+  }, {
+    key: 'initSegment',
+    value: function initSegment(map) {
+      var set$$1 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+
+      if (!map) {
+        return null;
+      }
+
+      var id = initSegmentId(map);
+      var storedMap = this.initSegments_[id];
+
+      if (set$$1 && !storedMap && map.bytes) {
+        // append WebVTT line terminators to the media initialization segment if it exists
+        // to follow the WebVTT spec (https://w3c.github.io/webvtt/#file-structure) that
+        // requires two or more WebVTT line terminators between the WebVTT header and the
+        // rest of the file
+        var combinedByteLength = VTT_LINE_TERMINATORS.byteLength + map.bytes.byteLength;
+        var combinedSegment = new Uint8Array(combinedByteLength);
+
+        combinedSegment.set(map.bytes);
+        combinedSegment.set(VTT_LINE_TERMINATORS, map.bytes.byteLength);
+
+        this.initSegments_[id] = storedMap = {
+          resolvedUri: map.resolvedUri,
+          byterange: map.byterange,
+          bytes: combinedSegment
+        };
+      }
+
+      return storedMap || map;
+    }
+
+    /**
+     * Returns true if all configuration required for loading is present, otherwise false.
+     *
+     * @return {Boolean} True if the all configuration is ready for loading
+     * @private
+     */
+
+  }, {
+    key: 'couldBeginLoading_',
+    value: function couldBeginLoading_() {
+      return this.playlist_ && this.subtitlesTrack_ && !this.paused();
+    }
+
+    /**
+     * Once all the starting parameters have been specified, begin
+     * operation. This method should only be invoked from the INIT
+     * state.
+     *
+     * @private
+     */
+
+  }, {
+    key: 'init_',
+    value: function init_() {
+      this.state = 'READY';
+      this.resetEverything();
+      return this.monitorBuffer_();
+    }
+
+    /**
+     * Set a subtitle track on the segment loader to add subtitles to
+     *
+     * @param {TextTrack=} track
+     *        The text track to add loaded subtitles to
+     * @return {TextTrack}
+     *        Returns the subtitles track
+     */
+
+  }, {
+    key: 'track',
+    value: function track(_track) {
+      if (typeof _track === 'undefined') {
+        return this.subtitlesTrack_;
+      }
+
+      this.subtitlesTrack_ = _track;
+
+      // if we were unpaused but waiting for a sourceUpdater, start
+      // buffering now
+      if (this.state === 'INIT' && this.couldBeginLoading_()) {
+        this.init_();
+      }
+
+      return this.subtitlesTrack_;
+    }
+
+    /**
+     * Remove any data in the source buffer between start and end times
+     * @param {Number} start - the start time of the region to remove from the buffer
+     * @param {Number} end - the end time of the region to remove from the buffer
+     */
+
+  }, {
+    key: 'remove',
+    value: function remove(start, end) {
+      removeCuesFromTrack(start, end, this.subtitlesTrack_);
+    }
+
+    /**
+     * fill the buffer with segements unless the sourceBuffers are
+     * currently updating
+     *
+     * Note: this function should only ever be called by monitorBuffer_
+     * and never directly
+     *
+     * @private
+     */
+
+  }, {
+    key: 'fillBuffer_',
+    value: function fillBuffer_() {
+      var _this2 = this;
+
+      if (!this.syncPoint_) {
+        this.syncPoint_ = this.syncController_.getSyncPoint(this.playlist_, this.duration_(), this.currentTimeline_, this.currentTime_());
+      }
+
+      // see if we need to begin loading immediately
+      var segmentInfo = this.checkBuffer_(this.buffered_(), this.playlist_, this.mediaIndex, this.hasPlayed_(), this.currentTime_(), this.syncPoint_);
+
+      segmentInfo = this.skipEmptySegments_(segmentInfo);
+
+      if (!segmentInfo) {
+        return;
+      }
+
+      if (this.syncController_.timestampOffsetForTimeline(segmentInfo.timeline) === null) {
+        // We don't have the timestamp offset that we need to sync subtitles.
+        // Rerun on a timestamp offset or user interaction.
+        var checkTimestampOffset = function checkTimestampOffset() {
+          _this2.state = 'READY';
+          if (!_this2.paused()) {
+            // if not paused, queue a buffer check as soon as possible
+            _this2.monitorBuffer_();
+          }
+        };
+
+        this.syncController_.one('timestampoffset', checkTimestampOffset);
+        this.state = 'WAITING_ON_TIMELINE';
+        return;
+      }
+
+      this.loadSegment_(segmentInfo);
+    }
+
+    /**
+     * Prevents the segment loader from requesting segments we know contain no subtitles
+     * by walking forward until we find the next segment that we don't know whether it is
+     * empty or not.
+     *
+     * @param {Object} segmentInfo
+     *        a segment info object that describes the current segment
+     * @return {Object}
+     *         a segment info object that describes the current segment
+     */
+
+  }, {
+    key: 'skipEmptySegments_',
+    value: function skipEmptySegments_(segmentInfo) {
+      while (segmentInfo && segmentInfo.segment.empty) {
+        segmentInfo = this.generateSegmentInfo_(segmentInfo.playlist, segmentInfo.mediaIndex + 1, segmentInfo.startOfSegment + segmentInfo.duration, segmentInfo.isSyncRequest);
+      }
+      return segmentInfo;
+    }
+
+    /**
+     * append a decrypted segement to the SourceBuffer through a SourceUpdater
+     *
+     * @private
+     */
+
+  }, {
+    key: 'handleSegment_',
+    value: function handleSegment_() {
+      var _this3 = this;
+
+      if (!this.pendingSegment_ || !this.subtitlesTrack_) {
+        this.state = 'READY';
+        return;
+      }
+
+      this.state = 'APPENDING';
+
+      var segmentInfo = this.pendingSegment_;
+      var segment = segmentInfo.segment;
+
+      // Make sure that vttjs has loaded, otherwise, wait till it finished loading
+      if (typeof window$1.WebVTT !== 'function' && this.subtitlesTrack_ && this.subtitlesTrack_.tech_) {
+
+        var loadHandler = function loadHandler() {
+          _this3.handleSegment_();
+        };
+
+        this.state = 'WAITING_ON_VTTJS';
+        this.subtitlesTrack_.tech_.one('vttjsloaded', loadHandler);
+        this.subtitlesTrack_.tech_.one('vttjserror', function () {
+          _this3.subtitlesTrack_.tech_.off('vttjsloaded', loadHandler);
+          _this3.error({
+            message: 'Error loading vtt.js'
+          });
+          _this3.state = 'READY';
+          _this3.pause();
+          _this3.trigger('error');
+        });
+
+        return;
+      }
+
+      segment.requested = true;
+
+      try {
+        this.parseVTTCues_(segmentInfo);
+      } catch (e) {
+        this.error({
+          message: e.message
+        });
+        this.state = 'READY';
+        this.pause();
+        return this.trigger('error');
+      }
+
+      this.updateTimeMapping_(segmentInfo, this.syncController_.timelines[segmentInfo.timeline], this.playlist_);
+
+      if (segmentInfo.isSyncRequest) {
+        this.trigger('syncinfoupdate');
+        this.pendingSegment_ = null;
+        this.state = 'READY';
+        return;
+      }
+
+      segmentInfo.byteLength = segmentInfo.bytes.byteLength;
+
+      this.mediaSecondsLoaded += segment.duration;
+
+      if (segmentInfo.cues.length) {
+        // remove any overlapping cues to prevent doubling
+        this.remove(segmentInfo.cues[0].endTime, segmentInfo.cues[segmentInfo.cues.length - 1].endTime);
+      }
+
+      segmentInfo.cues.forEach(function (cue) {
+        _this3.subtitlesTrack_.addCue(cue);
+      });
+
+      this.handleUpdateEnd_();
+    }
+
+    /**
+     * Uses the WebVTT parser to parse the segment response
+     *
+     * @param {Object} segmentInfo
+     *        a segment info object that describes the current segment
+     * @private
+     */
+
+  }, {
+    key: 'parseVTTCues_',
+    value: function parseVTTCues_(segmentInfo) {
+      var decoder = void 0;
+      var decodeBytesToString = false;
+
+      if (typeof window$1.TextDecoder === 'function') {
+        decoder = new window$1.TextDecoder('utf8');
+      } else {
+        decoder = window$1.WebVTT.StringDecoder();
+        decodeBytesToString = true;
+      }
+
+      var parser = new window$1.WebVTT.Parser(window$1, window$1.vttjs, decoder);
+
+      segmentInfo.cues = [];
+      segmentInfo.timestampmap = { MPEGTS: 0, LOCAL: 0 };
+
+      parser.oncue = segmentInfo.cues.push.bind(segmentInfo.cues);
+      parser.ontimestampmap = function (map) {
+        return segmentInfo.timestampmap = map;
+      };
+      parser.onparsingerror = function (error) {
+        videojs$1.log.warn('Error encountered when parsing cues: ' + error.message);
+      };
+
+      if (segmentInfo.segment.map) {
+        var mapData = segmentInfo.segment.map.bytes;
+
+        if (decodeBytesToString) {
+          mapData = uint8ToUtf8(mapData);
+        }
+
+        parser.parse(mapData);
+      }
+
+      var segmentData = segmentInfo.bytes;
+
+      if (decodeBytesToString) {
+        segmentData = uint8ToUtf8(segmentData);
+      }
+
+      parser.parse(segmentData);
+      parser.flush();
+    }
+
+    /**
+     * Updates the start and end times of any cues parsed by the WebVTT parser using
+     * the information parsed from the X-TIMESTAMP-MAP header and a TS to media time mapping
+     * from the SyncController
+     *
+     * @param {Object} segmentInfo
+     *        a segment info object that describes the current segment
+     * @param {Object} mappingObj
+     *        object containing a mapping from TS to media time
+     * @param {Object} playlist
+     *        the playlist object containing the segment
+     * @private
+     */
+
+  }, {
+    key: 'updateTimeMapping_',
+    value: function updateTimeMapping_(segmentInfo, mappingObj, playlist) {
+      var segment = segmentInfo.segment;
+
+      if (!mappingObj) {
+        // If the sync controller does not have a mapping of TS to Media Time for the
+        // timeline, then we don't have enough information to update the cue
+        // start/end times
+        return;
+      }
+
+      if (!segmentInfo.cues.length) {
+        // If there are no cues, we also do not have enough information to figure out
+        // segment timing. Mark that the segment contains no cues so we don't re-request
+        // an empty segment.
+        segment.empty = true;
+        return;
+      }
+
+      var timestampmap = segmentInfo.timestampmap;
+      var diff = timestampmap.MPEGTS / 90000 - timestampmap.LOCAL + mappingObj.mapping;
+
+      segmentInfo.cues.forEach(function (cue) {
+        // First convert cue time to TS time using the timestamp-map provided within the vtt
+        cue.startTime += diff;
+        cue.endTime += diff;
+      });
+
+      if (!playlist.syncInfo) {
+        var firstStart = segmentInfo.cues[0].startTime;
+        var lastStart = segmentInfo.cues[segmentInfo.cues.length - 1].startTime;
+
+        playlist.syncInfo = {
+          mediaSequence: playlist.mediaSequence + segmentInfo.mediaIndex,
+          time: Math.min(firstStart, lastStart - segment.duration)
+        };
+      }
+    }
+  }]);
+  return VTTSegmentLoader;
+}(SegmentLoader);
+
+/**
+ * @file ad-cue-tags.js
+ */
+
+/**
+ * Searches for an ad cue that overlaps with the given mediaTime
+ */
+var findAdCue = function findAdCue(track, mediaTime) {
+  var cues = track.cues;
+
+  for (var i = 0; i < cues.length; i++) {
+    var cue = cues[i];
+
+    if (mediaTime >= cue.adStartTime && mediaTime <= cue.adEndTime) {
+      return cue;
+    }
+  }
+  return null;
+};
+
+var updateAdCues = function updateAdCues(media, track) {
+  var offset = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
+
+  if (!media.segments) {
+    return;
+  }
+
+  var mediaTime = offset;
+  var cue = void 0;
+
+  for (var i = 0; i < media.segments.length; i++) {
+    var segment = media.segments[i];
+
+    if (!cue) {
+      // Since the cues will span for at least the segment duration, adding a fudge
+      // factor of half segment duration will prevent duplicate cues from being
+      // created when timing info is not exact (e.g. cue start time initialized
+      // at 10.006677, but next call mediaTime is 10.003332 )
+      cue = findAdCue(track, mediaTime + segment.duration / 2);
+    }
+
+    if (cue) {
+      if ('cueIn' in segment) {
+        // Found a CUE-IN so end the cue
+        cue.endTime = mediaTime;
+        cue.adEndTime = mediaTime;
+        mediaTime += segment.duration;
+        cue = null;
+        continue;
+      }
+
+      if (mediaTime < cue.endTime) {
+        // Already processed this mediaTime for this cue
+        mediaTime += segment.duration;
+        continue;
+      }
+
+      // otherwise extend cue until a CUE-IN is found
+      cue.endTime += segment.duration;
+    } else {
+      if ('cueOut' in segment) {
+        cue = new window$1.VTTCue(mediaTime, mediaTime + segment.duration, segment.cueOut);
+        cue.adStartTime = mediaTime;
+        // Assumes tag format to be
+        // #EXT-X-CUE-OUT:30
+        cue.adEndTime = mediaTime + parseFloat(segment.cueOut);
+        track.addCue(cue);
+      }
+
+      if ('cueOutCont' in segment) {
+        // Entered into the middle of an ad cue
+        var adOffset = void 0;
+        var adTotal = void 0;
+
+        // Assumes tag formate to be
+        // #EXT-X-CUE-OUT-CONT:10/30
+
+        var _segment$cueOutCont$s = segment.cueOutCont.split('/').map(parseFloat);
+
+        var _segment$cueOutCont$s2 = slicedToArray$1(_segment$cueOutCont$s, 2);
+
+        adOffset = _segment$cueOutCont$s2[0];
+        adTotal = _segment$cueOutCont$s2[1];
+
+        cue = new window$1.VTTCue(mediaTime, mediaTime + segment.duration, '');
+        cue.adStartTime = mediaTime - adOffset;
+        cue.adEndTime = cue.adStartTime + adTotal;
+        track.addCue(cue);
+      }
+    }
+    mediaTime += segment.duration;
+  }
+};
+
+/**
+ * @file sync-controller.js
+ */
+
+var tsprobe = tsInspector.inspect;
+
+var syncPointStrategies = [
+// Stategy "VOD": Handle the VOD-case where the sync-point is *always*
+//                the equivalence display-time 0 === segment-index 0
+{
+  name: 'VOD',
+  run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {
+    if (duration$$1 !== Infinity) {
+      var syncPoint = {
+        time: 0,
+        segmentIndex: 0
+      };
+
+      return syncPoint;
+    }
+    return null;
+  }
+},
+// Stategy "ProgramDateTime": We have a program-date-time tag in this playlist
+{
+  name: 'ProgramDateTime',
+  run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {
+    if (!syncController.datetimeToDisplayTime) {
+      return null;
+    }
+
+    var segments = playlist.segments || [];
+    var syncPoint = null;
+    var lastDistance = null;
+
+    currentTime = currentTime || 0;
+
+    for (var i = 0; i < segments.length; i++) {
+      var segment = segments[i];
+
+      if (segment.dateTimeObject) {
+        var segmentTime = segment.dateTimeObject.getTime() / 1000;
+        var segmentStart = segmentTime + syncController.datetimeToDisplayTime;
+        var distance = Math.abs(currentTime - segmentStart);
+
+        // Once the distance begins to increase, we have passed
+        // currentTime and can stop looking for better candidates
+        if (lastDistance !== null && lastDistance < distance) {
+          break;
+        }
+
+        lastDistance = distance;
+        syncPoint = {
+          time: segmentStart,
+          segmentIndex: i
+        };
+      }
+    }
+    return syncPoint;
+  }
+},
+// Stategy "Segment": We have a known time mapping for a timeline and a
+//                    segment in the current timeline with timing data
+{
+  name: 'Segment',
+  run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {
+    var segments = playlist.segments || [];
+    var syncPoint = null;
+    var lastDistance = null;
+
+    currentTime = currentTime || 0;
+
+    for (var i = 0; i < segments.length; i++) {
+      var segment = segments[i];
+
+      if (segment.timeline === currentTimeline && typeof segment.start !== 'undefined') {
+        var distance = Math.abs(currentTime - segment.start);
+
+        // Once the distance begins to increase, we have passed
+        // currentTime and can stop looking for better candidates
+        if (lastDistance !== null && lastDistance < distance) {
+          break;
+        }
+
+        if (!syncPoint || lastDistance === null || lastDistance >= distance) {
+          lastDistance = distance;
+          syncPoint = {
+            time: segment.start,
+            segmentIndex: i
+          };
+        }
+      }
+    }
+    return syncPoint;
+  }
+},
+// Stategy "Discontinuity": We have a discontinuity with a known
+//                          display-time
+{
+  name: 'Discontinuity',
+  run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {
+    var syncPoint = null;
+
+    currentTime = currentTime || 0;
+
+    if (playlist.discontinuityStarts && playlist.discontinuityStarts.length) {
+      var lastDistance = null;
+
+      for (var i = 0; i < playlist.discontinuityStarts.length; i++) {
+        var segmentIndex = playlist.discontinuityStarts[i];
+        var discontinuity = playlist.discontinuitySequence + i + 1;
+        var discontinuitySync = syncController.discontinuities[discontinuity];
+
+        if (discontinuitySync) {
+          var distance = Math.abs(currentTime - discontinuitySync.time);
+
+          // Once the distance begins to increase, we have passed
+          // currentTime and can stop looking for better candidates
+          if (lastDistance !== null && lastDistance < distance) {
+            break;
+          }
+
+          if (!syncPoint || lastDistance === null || lastDistance >= distance) {
+            lastDistance = distance;
+            syncPoint = {
+              time: discontinuitySync.time,
+              segmentIndex: segmentIndex
+            };
+          }
+        }
+      }
+    }
+    return syncPoint;
+  }
+},
+// Stategy "Playlist": We have a playlist with a known mapping of
+//                     segment index to display time
+{
+  name: 'Playlist',
+  run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {
+    if (playlist.syncInfo) {
+      var syncPoint = {
+        time: playlist.syncInfo.time,
+        segmentIndex: playlist.syncInfo.mediaSequence - playlist.mediaSequence
+      };
+
+      return syncPoint;
+    }
+    return null;
+  }
+}];
+
+var SyncController = function (_videojs$EventTarget) {
+  inherits$1(SyncController, _videojs$EventTarget);
+
+  function SyncController() {
+    classCallCheck$1(this, SyncController);
+
+    // Segment Loader state variables...
+    // ...for synching across variants
+    var _this = possibleConstructorReturn$1(this, (SyncController.__proto__ || Object.getPrototypeOf(SyncController)).call(this));
+
+    _this.inspectCache_ = undefined;
+
+    // ...for synching across variants
+    _this.timelines = [];
+    _this.discontinuities = [];
+    _this.datetimeToDisplayTime = null;
+
+    _this.logger_ = logger('SyncController');
+    return _this;
+  }
+
+  /**
+   * Find a sync-point for the playlist specified
+   *
+   * A sync-point is defined as a known mapping from display-time to
+   * a segment-index in the current playlist.
+   *
+   * @param {Playlist} playlist
+   *        The playlist that needs a sync-point
+   * @param {Number} duration
+   *        Duration of the MediaSource (Infinite if playing a live source)
+   * @param {Number} currentTimeline
+   *        The last timeline from which a segment was loaded
+   * @returns {Object}
+   *          A sync-point object
+   */
+
+  createClass$1(SyncController, [{
+    key: 'getSyncPoint',
+    value: function getSyncPoint(playlist, duration$$1, currentTimeline, currentTime) {
+      var syncPoints = this.runStrategies_(playlist, duration$$1, currentTimeline, currentTime);
+
+      if (!syncPoints.length) {
+        // Signal that we need to attempt to get a sync-point manually
+        // by fetching a segment in the playlist and constructing
+        // a sync-point from that information
+        return null;
+      }
+
+      // Now find the sync-point that is closest to the currentTime because
+      // that should result in the most accurate guess about which segment
+      // to fetch
+      return this.selectSyncPoint_(syncPoints, { key: 'time', value: currentTime });
+    }
+
+    /**
+     * Calculate the amount of time that has expired off the playlist during playback
+     *
+     * @param {Playlist} playlist
+     *        Playlist object to calculate expired from
+     * @param {Number} duration
+     *        Duration of the MediaSource (Infinity if playling a live source)
+     * @returns {Number|null}
+     *          The amount of time that has expired off the playlist during playback. Null
+     *          if no sync-points for the playlist can be found.
+     */
+
+  }, {
+    key: 'getExpiredTime',
+    value: function getExpiredTime(playlist, duration$$1) {
+      if (!playlist || !playlist.segments) {
+        return null;
+      }
+
+      var syncPoints = this.runStrategies_(playlist, duration$$1, playlist.discontinuitySequence, 0);
+
+      // Without sync-points, there is not enough information to determine the expired time
+      if (!syncPoints.length) {
+        return null;
+      }
+
+      var syncPoint = this.selectSyncPoint_(syncPoints, {
+        key: 'segmentIndex',
+        value: 0
+      });
+
+      // If the sync-point is beyond the start of the playlist, we want to subtract the
+      // duration from index 0 to syncPoint.segmentIndex instead of adding.
+      if (syncPoint.segmentIndex > 0) {
+        syncPoint.time *= -1;
+      }
+
+      return Math.abs(syncPoint.time + sumDurations(playlist, syncPoint.segmentIndex, 0));
+    }
+
+    /**
+     * Runs each sync-point strategy and returns a list of sync-points returned by the
+     * strategies
+     *
+     * @private
+     * @param {Playlist} playlist
+     *        The playlist that needs a sync-point
+     * @param {Number} duration
+     *        Duration of the MediaSource (Infinity if playing a live source)
+     * @param {Number} currentTimeline
+     *        The last timeline from which a segment was loaded
+     * @returns {Array}
+     *          A list of sync-point objects
+     */
+
+  }, {
+    key: 'runStrategies_',
+    value: function runStrategies_(playlist, duration$$1, currentTimeline, currentTime) {
+      var syncPoints = [];
+
+      // Try to find a sync-point in by utilizing various strategies...
+      for (var i = 0; i < syncPointStrategies.length; i++) {
+        var strategy = syncPointStrategies[i];
+        var syncPoint = strategy.run(this, playlist, duration$$1, currentTimeline, currentTime);
+
+        if (syncPoint) {
+          syncPoint.strategy = strategy.name;
+          syncPoints.push({
+            strategy: strategy.name,
+            syncPoint: syncPoint
+          });
+        }
+      }
+
+      return syncPoints;
+    }
+
+    /**
+     * Selects the sync-point nearest the specified target
+     *
+     * @private
+     * @param {Array} syncPoints
+     *        List of sync-points to select from
+     * @param {Object} target
+     *        Object specifying the property and value we are targeting
+     * @param {String} target.key
+     *        Specifies the property to target. Must be either 'time' or 'segmentIndex'
+     * @param {Number} target.value
+     *        The value to target for the specified key.
+     * @returns {Object}
+     *          The sync-point nearest the target
+     */
+
+  }, {
+    key: 'selectSyncPoint_',
+    value: function selectSyncPoint_(syncPoints, target) {
+      var bestSyncPoint = syncPoints[0].syncPoint;
+      var bestDistance = Math.abs(syncPoints[0].syncPoint[target.key] - target.value);
+      var bestStrategy = syncPoints[0].strategy;
+
+      for (var i = 1; i < syncPoints.length; i++) {
+        var newDistance = Math.abs(syncPoints[i].syncPoint[target.key] - target.value);
+
+        if (newDistance < bestDistance) {
+          bestDistance = newDistance;
+          bestSyncPoint = syncPoints[i].syncPoint;
+          bestStrategy = syncPoints[i].strategy;
+        }
+      }
+
+      this.logger_('syncPoint for [' + target.key + ': ' + target.value + '] chosen with strategy' + (' [' + bestStrategy + ']: [time:' + bestSyncPoint.time + ',') + (' segmentIndex:' + bestSyncPoint.segmentIndex + ']'));
+
+      return bestSyncPoint;
+    }
+
+    /**
+     * Save any meta-data present on the segments when segments leave
+     * the live window to the playlist to allow for synchronization at the
+     * playlist level later.
+     *
+     * @param {Playlist} oldPlaylist - The previous active playlist
+     * @param {Playlist} newPlaylist - The updated and most current playlist
+     */
+
+  }, {
+    key: 'saveExpiredSegmentInfo',
+    value: function saveExpiredSegmentInfo(oldPlaylist, newPlaylist) {
+      var mediaSequenceDiff = newPlaylist.mediaSequence - oldPlaylist.mediaSequence;
+
+      // When a segment expires from the playlist and it has a start time
+      // save that information as a possible sync-point reference in future
+      for (var i = mediaSequenceDiff - 1; i >= 0; i--) {
+        var lastRemovedSegment = oldPlaylist.segments[i];
+
+        if (lastRemovedSegment && typeof lastRemovedSegment.start !== 'undefined') {
+          newPlaylist.syncInfo = {
+            mediaSequence: oldPlaylist.mediaSequence + i,
+            time: lastRemovedSegment.start
+          };
+          this.logger_('playlist refresh sync: [time:' + newPlaylist.syncInfo.time + ',' + (' mediaSequence: ' + newPlaylist.syncInfo.mediaSequence + ']'));
+          this.trigger('syncinfoupdate');
+          break;
+        }
+      }
+    }
+
+    /**
+     * Save the mapping from playlist's ProgramDateTime to display. This should
+     * only ever happen once at the start of playback.
+     *
+     * @param {Playlist} playlist - The currently active playlist
+     */
+
+  }, {
+    key: 'setDateTimeMapping',
+    value: function setDateTimeMapping(playlist) {
+      if (!this.datetimeToDisplayTime && playlist.segments && playlist.segments.length && playlist.segments[0].dateTimeObject) {
+        var playlistTimestamp = playlist.segments[0].dateTimeObject.getTime() / 1000;
+
+        this.datetimeToDisplayTime = -playlistTimestamp;
+      }
+    }
+
+    /**
+     * Reset the state of the inspection cache when we do a rendition
+     * switch
+     */
+
+  }, {
+    key: 'reset',
+    value: function reset() {
+      this.inspectCache_ = undefined;
+    }
+
+    /**
+     * Probe or inspect a fmp4 or an mpeg2-ts segment to determine the start
+     * and end of the segment in it's internal "media time". Used to generate
+     * mappings from that internal "media time" to the display time that is
+     * shown on the player.
+     *
+     * @param {SegmentInfo} segmentInfo - The current active request information
+     */
+
+  }, {
+    key: 'probeSegmentInfo',
+    value: function probeSegmentInfo(segmentInfo) {
+      var segment = segmentInfo.segment;
+      var playlist = segmentInfo.playlist;
+      var timingInfo = void 0;
+
+      if (segment.map) {
+        timingInfo = this.probeMp4Segment_(segmentInfo);
+      } else {
+        timingInfo = this.probeTsSegment_(segmentInfo);
+      }
+
+      if (timingInfo) {
+        if (this.calculateSegmentTimeMapping_(segmentInfo, timingInfo)) {
+          this.saveDiscontinuitySyncInfo_(segmentInfo);
+
+          // If the playlist does not have sync information yet, record that information
+          // now with segment timing information
+          if (!playlist.syncInfo) {
+            playlist.syncInfo = {
+              mediaSequence: playlist.mediaSequence + segmentInfo.mediaIndex,
+              time: segment.start
+            };
+          }
+        }
+      }
+
+      return timingInfo;
+    }
+
+    /**
+     * Probe an fmp4 or an mpeg2-ts segment to determine the start of the segment
+     * in it's internal "media time".
+     *
+     * @private
+     * @param {SegmentInfo} segmentInfo - The current active request information
+     * @return {object} The start and end time of the current segment in "media time"
+     */
+
+  }, {
+    key: 'probeMp4Segment_',
+    value: function probeMp4Segment_(segmentInfo) {
+      var segment = segmentInfo.segment;
+      var timescales = mp4probe.timescale(segment.map.bytes);
+      var startTime = mp4probe.startTime(timescales, segmentInfo.bytes);
+
+      if (segmentInfo.timestampOffset !== null) {
+        segmentInfo.timestampOffset -= startTime;
+      }
+
+      return {
+        start: startTime,
+        end: startTime + segment.duration
+      };
+    }
+
+    /**
+     * Probe an mpeg2-ts segment to determine the start and end of the segment
+     * in it's internal "media time".
+     *
+     * @private
+     * @param {SegmentInfo} segmentInfo - The current active request information
+     * @return {object} The start and end time of the current segment in "media time"
+     */
+
+  }, {
+    key: 'probeTsSegment_',
+    value: function probeTsSegment_(segmentInfo) {
+      var timeInfo = tsprobe(segmentInfo.bytes, this.inspectCache_);
+      var segmentStartTime = void 0;
+      var segmentEndTime = void 0;
+
+      if (!timeInfo) {
+        return null;
+      }
+
+      if (timeInfo.video && timeInfo.video.length === 2) {
+        this.inspectCache_ = timeInfo.video[1].dts;
+        segmentStartTime = timeInfo.video[0].dtsTime;
+        segmentEndTime = timeInfo.video[1].dtsTime;
+      } else if (timeInfo.audio && timeInfo.audio.length === 2) {
+        this.inspectCache_ = timeInfo.audio[1].dts;
+        segmentStartTime = timeInfo.audio[0].dtsTime;
+        segmentEndTime = timeInfo.audio[1].dtsTime;
+      }
+
+      return {
+        start: segmentStartTime,
+        end: segmentEndTime,
+        containsVideo: timeInfo.video && timeInfo.video.length === 2,
+        containsAudio: timeInfo.audio && timeInfo.audio.length === 2
+      };
+    }
+  }, {
+    key: 'timestampOffsetForTimeline',
+    value: function timestampOffsetForTimeline(timeline) {
+      if (typeof this.timelines[timeline] === 'undefined') {
+        return null;
+      }
+      return this.timelines[timeline].time;
+    }
+  }, {
+    key: 'mappingForTimeline',
+    value: function mappingForTimeline(timeline) {
+      if (typeof this.timelines[timeline] === 'undefined') {
+        return null;
+      }
+      return this.timelines[timeline].mapping;
+    }
+
+    /**
+     * Use the "media time" for a segment to generate a mapping to "display time" and
+     * save that display time to the segment.
+     *
+     * @private
+     * @param {SegmentInfo} segmentInfo
+     *        The current active request information
+     * @param {object} timingInfo
+     *        The start and end time of the current segment in "media time"
+     * @returns {Boolean}
+     *          Returns false if segment time mapping could not be calculated
+     */
+
+  }, {
+    key: 'calculateSegmentTimeMapping_',
+    value: function calculateSegmentTimeMapping_(segmentInfo, timingInfo) {
+      var segment = segmentInfo.segment;
+      var mappingObj = this.timelines[segmentInfo.timeline];
+
+      if (segmentInfo.timestampOffset !== null) {
+        mappingObj = {
+          time: segmentInfo.startOfSegment,
+          mapping: segmentInfo.startOfSegment - timingInfo.start
+        };
+        this.timelines[segmentInfo.timeline] = mappingObj;
+        this.trigger('timestampoffset');
+
+        this.logger_('time mapping for timeline ' + segmentInfo.timeline + ': ' + ('[time: ' + mappingObj.time + '] [mapping: ' + mappingObj.mapping + ']'));
+
+        segment.start = segmentInfo.startOfSegment;
+        segment.end = timingInfo.end + mappingObj.mapping;
+      } else if (mappingObj) {
+        segment.start = timingInfo.start + mappingObj.mapping;
+        segment.end = timingInfo.end + mappingObj.mapping;
+      } else {
+        return false;
+      }
+
+      return true;
+    }
+
+    /**
+     * Each time we have discontinuity in the playlist, attempt to calculate the location
+     * in display of the start of the discontinuity and save that. We also save an accuracy
+     * value so that we save values with the most accuracy (closest to 0.)
+     *
+     * @private
+     * @param {SegmentInfo} segmentInfo - The current active request information
+     */
+
+  }, {
+    key: 'saveDiscontinuitySyncInfo_',
+    value: function saveDiscontinuitySyncInfo_(segmentInfo) {
+      var playlist = segmentInfo.playlist;
+      var segment = segmentInfo.segment;
+
+      // If the current segment is a discontinuity then we know exactly where
+      // the start of the range and it's accuracy is 0 (greater accuracy values
+      // mean more approximation)
+      if (segment.discontinuity) {
+        this.discontinuities[segment.timeline] = {
+          time: segment.start,
+          accuracy: 0
+        };
+      } else if (playlist.discontinuityStarts && playlist.discontinuityStarts.length) {
+        // Search for future discontinuities that we can provide better timing
+        // information for and save that information for sync purposes
+        for (var i = 0; i < playlist.discontinuityStarts.length; i++) {
+          var segmentIndex = playlist.discontinuityStarts[i];
+          var discontinuity = playlist.discontinuitySequence + i + 1;
+          var mediaIndexDiff = segmentIndex - segmentInfo.mediaIndex;
+          var accuracy = Math.abs(mediaIndexDiff);
+
+          if (!this.discontinuities[discontinuity] || this.discontinuities[discontinuity].accuracy > accuracy) {
+            var time = void 0;
+
+            if (mediaIndexDiff < 0) {
+              time = segment.start - sumDurations(playlist, segmentInfo.mediaIndex, segmentIndex);
+            } else {
+              time = segment.end + sumDurations(playlist, segmentInfo.mediaIndex + 1, segmentIndex);
+            }
+
+            this.discontinuities[discontinuity] = {
+              time: time,
+              accuracy: accuracy
+            };
+          }
+        }
+      }
+    }
+  }]);
+  return SyncController;
+}(videojs$1.EventTarget);
+
+var Decrypter$1 = new shimWorker("./decrypter-worker.worker.js", function (window, document$$1) {
+  var self = this;
+  var decrypterWorker = function () {
+
+    /*
+     * pkcs7.pad
+     * https://github.com/brightcove/pkcs7
+     *
+     * Copyright (c) 2014 Brightcove
+     * Licensed under the apache2 license.
+     */
+
+    /**
+     * Returns the subarray of a Uint8Array without PKCS#7 padding.
+     * @param padded {Uint8Array} unencrypted bytes that have been padded
+     * @return {Uint8Array} the unpadded bytes
+     * @see http://tools.ietf.org/html/rfc5652
+     */
+
+    function unpad(padded) {
+      return padded.subarray(0, padded.byteLength - padded[padded.byteLength - 1]);
+    }
+
+    var classCallCheck$$1 = function classCallCheck$$1(instance, Constructor) {
+      if (!(instance instanceof Constructor)) {
+        throw new TypeError("Cannot call a class as a function");
+      }
+    };
+
+    var createClass$$1 = function () {
+      function defineProperties(target, props) {
+        for (var i = 0; i < props.length; i++) {
+          var descriptor = props[i];
+          descriptor.enumerable = descriptor.enumerable || false;
+          descriptor.configurable = true;
+          if ("value" in descriptor) descriptor.writable = true;
+          Object.defineProperty(target, descriptor.key, descriptor);
+        }
+      }
+
+      return function (Constructor, protoProps, staticProps) {
+        if (protoProps) defineProperties(Constructor.prototype, protoProps);
+        if (staticProps) defineProperties(Constructor, staticProps);
+        return Constructor;
+      };
+    }();
+
+    var inherits$$1 = function inherits$$1(subClass, superClass) {
+      if (typeof superClass !== "function" && superClass !== null) {
+        throw new TypeError("Super expression must either be null or a function, not " + (typeof superClass === 'undefined' ? 'undefined' : _typeof(superClass)));
+      }
+
+      subClass.prototype = Object.create(superClass && superClass.prototype, {
+        constructor: {
+          value: subClass,
+          enumerable: false,
+          writable: true,
+          configurable: true
+        }
+      });
+      if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
+    };
+
+    var possibleConstructorReturn$$1 = function possibleConstructorReturn$$1(self, call) {
+      if (!self) {
+        throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+      }
+
+      return call && ((typeof call === 'undefined' ? 'undefined' : _typeof(call)) === "object" || typeof call === "function") ? call : self;
+    };
+
+    /**
+     * @file aes.js
+     *
+     * This file contains an adaptation of the AES decryption algorithm
+     * from the Standford Javascript Cryptography Library. That work is
+     * covered by the following copyright and permissions notice:
+     *
+     * Copyright 2009-2010 Emily Stark, Mike Hamburg, Dan Boneh.
+     * All rights reserved.
+     *
+     * Redistribution and use in source and binary forms, with or without
+     * modification, are permitted provided that the following conditions are
+     * met:
+     *
+     * 1. Redistributions of source code must retain the above copyright
+     *    notice, this list of conditions and the following disclaimer.
+     *
+     * 2. Redistributions in binary form must reproduce the above
+     *    copyright notice, this list of conditions and the following
+     *    disclaimer in the documentation and/or other materials provided
+     *    with the distribution.
+     *
+     * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
+     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+     * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+     * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR CONTRIBUTORS BE
+     * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+     * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+     * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+     * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+     * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+     *
+     * The views and conclusions contained in the software and documentation
+     * are those of the authors and should not be interpreted as representing
+     * official policies, either expressed or implied, of the authors.
+     */
+
+    /**
+     * Expand the S-box tables.
+     *
+     * @private
+     */
+    var precompute = function precompute() {
+      var tables = [[[], [], [], [], []], [[], [], [], [], []]];
+      var encTable = tables[0];
+      var decTable = tables[1];
+      var sbox = encTable[4];
+      var sboxInv = decTable[4];
+      var i = void 0;
+      var x = void 0;
+      var xInv = void 0;
+      var d = [];
+      var th = [];
+      var x2 = void 0;
+      var x4 = void 0;
+      var x8 = void 0;
+      var s = void 0;
+      var tEnc = void 0;
+      var tDec = void 0;
+
+      // Compute double and third tables
+      for (i = 0; i < 256; i++) {
+        th[(d[i] = i << 1 ^ (i >> 7) * 283) ^ i] = i;
+      }
+
+      for (x = xInv = 0; !sbox[x]; x ^= x2 || 1, xInv = th[xInv] || 1) {
+        // Compute sbox
+        s = xInv ^ xInv << 1 ^ xInv << 2 ^ xInv << 3 ^ xInv << 4;
+        s = s >> 8 ^ s & 255 ^ 99;
+        sbox[x] = s;
+        sboxInv[s] = x;
+
+        // Compute MixColumns
+        x8 = d[x4 = d[x2 = d[x]]];
+        tDec = x8 * 0x1010101 ^ x4 * 0x10001 ^ x2 * 0x101 ^ x * 0x1010100;
+        tEnc = d[s] * 0x101 ^ s * 0x1010100;
+
+        for (i = 0; i < 4; i++) {
+          encTable[i][x] = tEnc = tEnc << 24 ^ tEnc >>> 8;
+          decTable[i][s] = tDec = tDec << 24 ^ tDec >>> 8;
+        }
+      }
+
+      // Compactify. Considerable speedup on Firefox.
+      for (i = 0; i < 5; i++) {
+        encTable[i] = encTable[i].slice(0);
+        decTable[i] = decTable[i].slice(0);
+      }
+      return tables;
+    };
+    var aesTables = null;
+
+    /**
+     * Schedule out an AES key for both encryption and decryption. This
+     * is a low-level class. Use a cipher mode to do bulk encryption.
+     *
+     * @class AES
+     * @param key {Array} The key as an array of 4, 6 or 8 words.
+     */
+
+    var AES = function () {
+      function AES(key) {
+        classCallCheck$$1(this, AES);
+
+        /**
+         * The expanded S-box and inverse S-box tables. These will be computed
+         * on the client so that we don't have to send them down the wire.
+         *
+         * There are two tables, _tables[0] is for encryption and
+         * _tables[1] is for decryption.
+         *
+         * The first 4 sub-tables are the expanded S-box with MixColumns. The
+         * last (_tables[01][4]) is the S-box itself.
+         *
+         * @private
+         */
+        // if we have yet to precompute the S-box tables
+        // do so now
+        if (!aesTables) {
+          aesTables = precompute();
+        }
+        // then make a copy of that object for use
+        this._tables = [[aesTables[0][0].slice(), aesTables[0][1].slice(), aesTables[0][2].slice(), aesTables[0][3].slice(), aesTables[0][4].slice()], [aesTables[1][0].slice(), aesTables[1][1].slice(), aesTables[1][2].slice(), aesTables[1][3].slice(), aesTables[1][4].slice()]];
+        var i = void 0;
+        var j = void 0;
+        var tmp = void 0;
+        var encKey = void 0;
+        var decKey = void 0;
+        var sbox = this._tables[0][4];
+        var decTable = this._tables[1];
+        var keyLen = key.length;
+        var rcon = 1;
+
+        if (keyLen !== 4 && keyLen !== 6 && keyLen !== 8) {
+          throw new Error('Invalid aes key size');
+        }
+
+        encKey = key.slice(0);
+        decKey = [];
+        this._key = [encKey, decKey];
+
+        // schedule encryption keys
+        for (i = keyLen; i < 4 * keyLen + 28; i++) {
+          tmp = encKey[i - 1];
+
+          // apply sbox
+          if (i % keyLen === 0 || keyLen === 8 && i % keyLen === 4) {
+            tmp = sbox[tmp >>> 24] << 24 ^ sbox[tmp >> 16 & 255] << 16 ^ sbox[tmp >> 8 & 255] << 8 ^ sbox[tmp & 255];
+
+            // shift rows and add rcon
+            if (i % keyLen === 0) {
+              tmp = tmp << 8 ^ tmp >>> 24 ^ rcon << 24;
+              rcon = rcon << 1 ^ (rcon >> 7) * 283;
+            }
+          }
+
+          encKey[i] = encKey[i - keyLen] ^ tmp;
+        }
+
+        // schedule decryption keys
+        for (j = 0; i; j++, i--) {
+          tmp = encKey[j & 3 ? i : i - 4];
+          if (i <= 4 || j < 4) {
+            decKey[j] = tmp;
+          } else {
+            decKey[j] = decTable[0][sbox[tmp >>> 24]] ^ decTable[1][sbox[tmp >> 16 & 255]] ^ decTable[2][sbox[tmp >> 8 & 255]] ^ decTable[3][sbox[tmp & 255]];
+          }
+        }
+      }
+
+      /**
+       * Decrypt 16 bytes, specified as four 32-bit words.
+       *
+       * @param {Number} encrypted0 the first word to decrypt
+       * @param {Number} encrypted1 the second word to decrypt
+       * @param {Number} encrypted2 the third word to decrypt
+       * @param {Number} encrypted3 the fourth word to decrypt
+       * @param {Int32Array} out the array to write the decrypted words
+       * into
+       * @param {Number} offset the offset into the output array to start
+       * writing results
+       * @return {Array} The plaintext.
+       */
+
+      AES.prototype.decrypt = function decrypt$$1(encrypted0, encrypted1, encrypted2, encrypted3, out, offset) {
+        var key = this._key[1];
+        // state variables a,b,c,d are loaded with pre-whitened data
+        var a = encrypted0 ^ key[0];
+        var b = encrypted3 ^ key[1];
+        var c = encrypted2 ^ key[2];
+        var d = encrypted1 ^ key[3];
+        var a2 = void 0;
+        var b2 = void 0;
+        var c2 = void 0;
+
+        // key.length === 2 ?
+        var nInnerRounds = key.length / 4 - 2;
+        var i = void 0;
+        var kIndex = 4;
+        var table = this._tables[1];
+
+        // load up the tables
+        var table0 = table[0];
+        var table1 = table[1];
+        var table2 = table[2];
+        var table3 = table[3];
+        var sbox = table[4];
+
+        // Inner rounds. Cribbed from OpenSSL.
+        for (i = 0; i < nInnerRounds; i++) {
+          a2 = table0[a >>> 24] ^ table1[b >> 16 & 255] ^ table2[c >> 8 & 255] ^ table3[d & 255] ^ key[kIndex];
+          b2 = table0[b >>> 24] ^ table1[c >> 16 & 255] ^ table2[d >> 8 & 255] ^ table3[a & 255] ^ key[kIndex + 1];
+          c2 = table0[c >>> 24] ^ table1[d >> 16 & 255] ^ table2[a >> 8 & 255] ^ table3[b & 255] ^ key[kIndex + 2];
+          d = table0[d >>> 24] ^ table1[a >> 16 & 255] ^ table2[b >> 8 & 255] ^ table3[c & 255] ^ key[kIndex + 3];
+          kIndex += 4;
+          a = a2;b = b2;c = c2;
+        }
+
+        // Last round.
+        for (i = 0; i < 4; i++) {
+          out[(3 & -i) + offset] = sbox[a >>> 24] << 24 ^ sbox[b >> 16 & 255] << 16 ^ sbox[c >> 8 & 255] << 8 ^ sbox[d & 255] ^ key[kIndex++];
+          a2 = a;a = b;b = c;c = d;d = a2;
+        }
+      };
+
+      return AES;
+    }();
+
+    /**
+     * @file stream.js
+     */
+    /**
+     * A lightweight readable stream implemention that handles event dispatching.
+     *
+     * @class Stream
+     */
+    var Stream = function () {
+      function Stream() {
+        classCallCheck$$1(this, Stream);
+
+        this.listeners = {};
+      }
+
+      /**
+       * Add a listener for a specified event type.
+       *
+       * @param {String} type the event name
+       * @param {Function} listener the callback to be invoked when an event of
+       * the specified type occurs
+       */
+
+      Stream.prototype.on = function on(type, listener) {
+        if (!this.listeners[type]) {
+          this.listeners[type] = [];
+        }
+        this.listeners[type].push(listener);
+      };
+
+      /**
+       * Remove a listener for a specified event type.
+       *
+       * @param {String} type the event name
+       * @param {Function} listener  a function previously registered for this
+       * type of event through `on`
+       * @return {Boolean} if we could turn it off or not
+       */
+
+      Stream.prototype.off = function off(type, listener) {
+        if (!this.listeners[type]) {
+          return false;
+        }
+
+        var index = this.listeners[type].indexOf(listener);
+
+        this.listeners[type].splice(index, 1);
+        return index > -1;
+      };
+
+      /**
+       * Trigger an event of the specified type on this stream. Any additional
+       * arguments to this function are passed as parameters to event listeners.
+       *
+       * @param {String} type the event name
+       */
+
+      Stream.prototype.trigger = function trigger(type) {
+        var callbacks = this.listeners[type];
+
+        if (!callbacks) {
+          return;
+        }
+
+        // Slicing the arguments on every invocation of this method
+        // can add a significant amount of overhead. Avoid the
+        // intermediate object creation for the common case of a
+        // single callback argument
+        if (arguments.length === 2) {
+          var length = callbacks.length;
+
+          for (var i = 0; i < length; ++i) {
+            callbacks[i].call(this, arguments[1]);
+          }
+        } else {
+          var args = Array.prototype.slice.call(arguments, 1);
+          var _length = callbacks.length;
+
+          for (var _i = 0; _i < _length; ++_i) {
+            callbacks[_i].apply(this, args);
+          }
+        }
+      };
+
+      /**
+       * Destroys the stream and cleans up.
+       */
+
+      Stream.prototype.dispose = function dispose() {
+        this.listeners = {};
+      };
+      /**
+       * Forwards all `data` events on this stream to the destination stream. The
+       * destination stream should provide a method `push` to receive the data
+       * events as they arrive.
+       *
+       * @param {Stream} destination the stream that will receive all `data` events
+       * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options
+       */
+
+      Stream.prototype.pipe = function pipe(destination) {
+        this.on('data', function (data) {
+          destination.push(data);
+        });
+      };
+
+      return Stream;
+    }();
+
+    /**
+     * @file async-stream.js
+     */
+    /**
+     * A wrapper around the Stream class to use setTiemout
+     * and run stream "jobs" Asynchronously
+     *
+     * @class AsyncStream
+     * @extends Stream
+     */
+
+    var AsyncStream$$1 = function (_Stream) {
+      inherits$$1(AsyncStream$$1, _Stream);
+
+      function AsyncStream$$1() {
+        classCallCheck$$1(this, AsyncStream$$1);
+
+        var _this = possibleConstructorReturn$$1(this, _Stream.call(this, Stream));
+
+        _this.jobs = [];
+        _this.delay = 1;
+        _this.timeout_ = null;
+        return _this;
+      }
+
+      /**
+       * process an async job
+       *
+       * @private
+       */
+
+      AsyncStream$$1.prototype.processJob_ = function processJob_() {
+        this.jobs.shift()();
+        if (this.jobs.length) {
+          this.timeout_ = setTimeout(this.processJob_.bind(this), this.delay);
+        } else {
+          this.timeout_ = null;
+        }
+      };
+
+      /**
+       * push a job into the stream
+       *
+       * @param {Function} job the job to push into the stream
+       */
+
+      AsyncStream$$1.prototype.push = function push(job) {
+        this.jobs.push(job);
+        if (!this.timeout_) {
+          this.timeout_ = setTimeout(this.processJob_.bind(this), this.delay);
+        }
+      };
+
+      return AsyncStream$$1;
+    }(Stream);
+
+    /**
+     * @file decrypter.js
+     *
+     * An asynchronous implementation of AES-128 CBC decryption with
+     * PKCS#7 padding.
+     */
+
+    /**
+     * Convert network-order (big-endian) bytes into their little-endian
+     * representation.
+     */
+    var ntoh = function ntoh(word) {
+      return word << 24 | (word & 0xff00) << 8 | (word & 0xff0000) >> 8 | word >>> 24;
+    };
+
+    /**
+     * Decrypt bytes using AES-128 with CBC and PKCS#7 padding.
+     *
+     * @param {Uint8Array} encrypted the encrypted bytes
+     * @param {Uint32Array} key the bytes of the decryption key
+     * @param {Uint32Array} initVector the initialization vector (IV) to
+     * use for the first round of CBC.
+     * @return {Uint8Array} the decrypted bytes
+     *
+     * @see http://en.wikipedia.org/wiki/Advanced_Encryption_Standard
+     * @see http://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Cipher_Block_Chaining_.28CBC.29
+     * @see https://tools.ietf.org/html/rfc2315
+     */
+    var decrypt$$1 = function decrypt$$1(encrypted, key, initVector) {
+      // word-level access to the encrypted bytes
+      var encrypted32 = new Int32Array(encrypted.buffer, encrypted.byteOffset, encrypted.byteLength >> 2);
+
+      var decipher = new AES(Array.prototype.slice.call(key));
+
+      // byte and word-level access for the decrypted output
+      var decrypted = new Uint8Array(encrypted.byteLength);
+      var decrypted32 = new Int32Array(decrypted.buffer);
+
+      // temporary variables for working with the IV, encrypted, and
+      // decrypted data
+      var init0 = void 0;
+      var init1 = void 0;
+      var init2 = void 0;
+      var init3 = void 0;
+      var encrypted0 = void 0;
+      var encrypted1 = void 0;
+      var encrypted2 = void 0;
+      var encrypted3 = void 0;
+
+      // iteration variable
+      var wordIx = void 0;
+
+      // pull out the words of the IV to ensure we don't modify the
+      // passed-in reference and easier access
+      init0 = initVector[0];
+      init1 = initVector[1];
+      init2 = initVector[2];
+      init3 = initVector[3];
+
+      // decrypt four word sequences, applying cipher-block chaining (CBC)
+      // to each decrypted block
+      for (wordIx = 0; wordIx < encrypted32.length; wordIx += 4) {
+        // convert big-endian (network order) words into little-endian
+        // (javascript order)
+        encrypted0 = ntoh(encrypted32[wordIx]);
+        encrypted1 = ntoh(encrypted32[wordIx + 1]);
+        encrypted2 = ntoh(encrypted32[wordIx + 2]);
+        encrypted3 = ntoh(encrypted32[wordIx + 3]);
+
+        // decrypt the block
+        decipher.decrypt(encrypted0, encrypted1, encrypted2, encrypted3, decrypted32, wordIx);
+
+        // XOR with the IV, and restore network byte-order to obtain the
+        // plaintext
+        decrypted32[wordIx] = ntoh(decrypted32[wordIx] ^ init0);
+        decrypted32[wordIx + 1] = ntoh(decrypted32[wordIx + 1] ^ init1);
+        decrypted32[wordIx + 2] = ntoh(decrypted32[wordIx + 2] ^ init2);
+        decrypted32[wordIx + 3] = ntoh(decrypted32[wordIx + 3] ^ init3);
+
+        // setup the IV for the next round
+        init0 = encrypted0;
+        init1 = encrypted1;
+        init2 = encrypted2;
+        init3 = encrypted3;
+      }
+
+      return decrypted;
+    };
+
+    /**
+     * The `Decrypter` class that manages decryption of AES
+     * data through `AsyncStream` objects and the `decrypt`
+     * function
+     *
+     * @param {Uint8Array} encrypted the encrypted bytes
+     * @param {Uint32Array} key the bytes of the decryption key
+     * @param {Uint32Array} initVector the initialization vector (IV) to
+     * @param {Function} done the function to run when done
+     * @class Decrypter
+     */
+
+    var Decrypter$$1 = function () {
+      function Decrypter$$1(encrypted, key, initVector, done) {
+        classCallCheck$$1(this, Decrypter$$1);
+
+        var step = Decrypter$$1.STEP;
+        var encrypted32 = new Int32Array(encrypted.buffer);
+        var decrypted = new Uint8Array(encrypted.byteLength);
+        var i = 0;
+
+        this.asyncStream_ = new AsyncStream$$1();
+
+        // split up the encryption job and do the individual chunks asynchronously
+        this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i, i + step), key, initVector, decrypted));
+        for (i = step; i < encrypted32.length; i += step) {
+          initVector = new Uint32Array([ntoh(encrypted32[i - 4]), ntoh(encrypted32[i - 3]), ntoh(encrypted32[i - 2]), ntoh(encrypted32[i - 1])]);
+          this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i, i + step), key, initVector, decrypted));
+        }
+        // invoke the done() callback when everything is finished
+        this.asyncStream_.push(function () {
+          // remove pkcs#7 padding from the decrypted bytes
+          done(null, unpad(decrypted));
+        });
+      }
+
+      /**
+       * a getter for step the maximum number of bytes to process at one time
+       *
+       * @return {Number} the value of step 32000
+       */
+
+      /**
+       * @private
+       */
+      Decrypter$$1.prototype.decryptChunk_ = function decryptChunk_(encrypted, key, initVector, decrypted) {
+        return function () {
+          var bytes = decrypt$$1(encrypted, key, initVector);
+
+          decrypted.set(bytes, encrypted.byteOffset);
+        };
+      };
+
+      createClass$$1(Decrypter$$1, null, [{
+        key: 'STEP',
+        get: function get$$1() {
+          // 4 * 8000;
+          return 32000;
+        }
+      }]);
+      return Decrypter$$1;
+    }();
+
+    /**
+     * @file bin-utils.js
+     */
+
+    /**
+     * Creates an object for sending to a web worker modifying properties that are TypedArrays
+     * into a new object with seperated properties for the buffer, byteOffset, and byteLength.
+     *
+     * @param {Object} message
+     *        Object of properties and values to send to the web worker
+     * @return {Object}
+     *         Modified message with TypedArray values expanded
+     * @function createTransferableMessage
+     */
+    var createTransferableMessage = function createTransferableMessage(message) {
+      var transferable = {};
+
+      Object.keys(message).forEach(function (key) {
+        var value = message[key];
+
+        if (ArrayBuffer.isView(value)) {
+          transferable[key] = {
+            bytes: value.buffer,
+            byteOffset: value.byteOffset,
+            byteLength: value.byteLength
+          };
+        } else {
+          transferable[key] = value;
+        }
+      });
+
+      return transferable;
+    };
+
+    /**
+     * Our web worker interface so that things can talk to aes-decrypter
+     * that will be running in a web worker. the scope is passed to this by
+     * webworkify.
+     *
+     * @param {Object} self
+     *        the scope for the web worker
+     */
+    var DecrypterWorker = function DecrypterWorker(self) {
+      self.onmessage = function (event) {
+        var data = event.data;
+        var encrypted = new Uint8Array(data.encrypted.bytes, data.encrypted.byteOffset, data.encrypted.byteLength);
+        var key = new Uint32Array(data.key.bytes, data.key.byteOffset, data.key.byteLength / 4);
+        var iv = new Uint32Array(data.iv.bytes, data.iv.byteOffset, data.iv.byteLength / 4);
+
+        /* eslint-disable no-new, handle-callback-err */
+        new Decrypter$$1(encrypted, key, iv, function (err, bytes) {
+          self.postMessage(createTransferableMessage({
+            source: data.source,
+            decrypted: bytes
+          }), [bytes.buffer]);
+        });
+        /* eslint-enable */
+      };
+    };
+
+    var decrypterWorker = new DecrypterWorker(self);
+
+    return decrypterWorker;
+  }();
+});
+
+/**
+ * Convert the properties of an HLS track into an audioTrackKind.
+ *
+ * @private
+ */
+var audioTrackKind_ = function audioTrackKind_(properties) {
+  var kind = properties.default ? 'main' : 'alternative';
+
+  if (properties.characteristics && properties.characteristics.indexOf('public.accessibility.describes-video') >= 0) {
+    kind = 'main-desc';
+  }
+
+  return kind;
+};
+
+/**
+ * Pause provided segment loader and playlist loader if active
+ *
+ * @param {SegmentLoader} segmentLoader
+ *        SegmentLoader to pause
+ * @param {Object} mediaType
+ *        Active media type
+ * @function stopLoaders
+ */
+var stopLoaders = function stopLoaders(segmentLoader, mediaType) {
+  segmentLoader.abort();
+  segmentLoader.pause();
+
+  if (mediaType && mediaType.activePlaylistLoader) {
+    mediaType.activePlaylistLoader.pause();
+    mediaType.activePlaylistLoader = null;
+  }
+};
+
+/**
+ * Start loading provided segment loader and playlist loader
+ *
+ * @param {PlaylistLoader} playlistLoader
+ *        PlaylistLoader to start loading
+ * @param {Object} mediaType
+ *        Active media type
+ * @function startLoaders
+ */
+var startLoaders = function startLoaders(playlistLoader, mediaType) {
+  // Segment loader will be started after `loadedmetadata` or `loadedplaylist` from the
+  // playlist loader
+  mediaType.activePlaylistLoader = playlistLoader;
+  playlistLoader.load();
+};
+
+/**
+ * Returns a function to be called when the media group changes. It performs a
+ * non-destructive (preserve the buffer) resync of the SegmentLoader. This is because a
+ * change of group is merely a rendition switch of the same content at another encoding,
+ * rather than a change of content, such as switching audio from English to Spanish.
+ *
+ * @param {String} type
+ *        MediaGroup type
+ * @param {Object} settings
+ *        Object containing required information for media groups
+ * @return {Function}
+ *         Handler for a non-destructive resync of SegmentLoader when the active media
+ *         group changes.
+ * @function onGroupChanged
+ */
+var onGroupChanged = function onGroupChanged(type, settings) {
+  return function () {
+    var _settings$segmentLoad = settings.segmentLoaders,
+        segmentLoader = _settings$segmentLoad[type],
+        mainSegmentLoader = _settings$segmentLoad.main,
+        mediaType = settings.mediaTypes[type];
+
+    var activeTrack = mediaType.activeTrack();
+    var activeGroup = mediaType.activeGroup(activeTrack);
+    var previousActiveLoader = mediaType.activePlaylistLoader;
+
+    stopLoaders(segmentLoader, mediaType);
+
+    if (!activeGroup) {
+      // there is no group active
+      return;
+    }
+
+    if (!activeGroup.playlistLoader) {
+      if (previousActiveLoader) {
+        // The previous group had a playlist loader but the new active group does not
+        // this means we are switching from demuxed to muxed audio. In this case we want to
+        // do a destructive reset of the main segment loader and not restart the audio
+        // loaders.
+        mainSegmentLoader.resetEverything();
+      }
+      return;
+    }
+
+    // Non-destructive resync
+    segmentLoader.resyncLoader();
+
+    startLoaders(activeGroup.playlistLoader, mediaType);
+  };
+};
+
+/**
+ * Returns a function to be called when the media track changes. It performs a
+ * destructive reset of the SegmentLoader to ensure we start loading as close to
+ * currentTime as possible.
+ *
+ * @param {String} type
+ *        MediaGroup type
+ * @param {Object} settings
+ *        Object containing required information for media groups
+ * @return {Function}
+ *         Handler for a destructive reset of SegmentLoader when the active media
+ *         track changes.
+ * @function onTrackChanged
+ */
+var onTrackChanged = function onTrackChanged(type, settings) {
+  return function () {
+    var _settings$segmentLoad2 = settings.segmentLoaders,
+        segmentLoader = _settings$segmentLoad2[type],
+        mainSegmentLoader = _settings$segmentLoad2.main,
+        mediaType = settings.mediaTypes[type];
+
+    var activeTrack = mediaType.activeTrack();
+    var activeGroup = mediaType.activeGroup(activeTrack);
+    var previousActiveLoader = mediaType.activePlaylistLoader;
+
+    stopLoaders(segmentLoader, mediaType);
+
+    if (!activeGroup) {
+      // there is no group active so we do not want to restart loaders
+      return;
+    }
+
+    if (!activeGroup.playlistLoader) {
+      // when switching from demuxed audio/video to muxed audio/video (noted by no playlist
+      // loader for the audio group), we want to do a destructive reset of the main segment
+      // loader and not restart the audio loaders
+      mainSegmentLoader.resetEverything();
+      return;
+    }
+
+    if (previousActiveLoader === activeGroup.playlistLoader) {
+      // Nothing has actually changed. This can happen because track change events can fire
+      // multiple times for a "single" change. One for enabling the new active track, and
+      // one for disabling the track that was active
+      startLoaders(activeGroup.playlistLoader, mediaType);
+      return;
+    }
+
+    if (segmentLoader.track) {
+      // For WebVTT, set the new text track in the segmentloader
+      segmentLoader.track(activeTrack);
+    }
+
+    // destructive reset
+    segmentLoader.resetEverything();
+
+    startLoaders(activeGroup.playlistLoader, mediaType);
+  };
+};
+
+var onError = {
+  /**
+   * Returns a function to be called when a SegmentLoader or PlaylistLoader encounters
+   * an error.
+   *
+   * @param {String} type
+   *        MediaGroup type
+   * @param {Object} settings
+   *        Object containing required information for media groups
+   * @return {Function}
+   *         Error handler. Logs warning (or error if the playlist is blacklisted) to
+   *         console and switches back to default audio track.
+   * @function onError.AUDIO
+   */
+  AUDIO: function AUDIO(type, settings) {
+    return function () {
+      var segmentLoader = settings.segmentLoaders[type],
+          mediaType = settings.mediaTypes[type],
+          blacklistCurrentPlaylist = settings.blacklistCurrentPlaylist;
+
+      stopLoaders(segmentLoader, mediaType);
+
+      // switch back to default audio track
+      var activeTrack = mediaType.activeTrack();
+      var activeGroup = mediaType.activeGroup();
+      var id = (activeGroup.filter(function (group) {
+        return group.default;
+      })[0] || activeGroup[0]).id;
+      var defaultTrack = mediaType.tracks[id];
+
+      if (activeTrack === defaultTrack) {
+        // Default track encountered an error. All we can do now is blacklist the current
+        // rendition and hope another will switch audio groups
+        blacklistCurrentPlaylist({
+          message: 'Problem encountered loading the default audio track.'
+        });
+        return;
+      }
+
+      videojs$1.log.warn('Problem encountered loading the alternate audio track.' + 'Switching back to default.');
+
+      for (var trackId in mediaType.tracks) {
+        mediaType.tracks[trackId].enabled = mediaType.tracks[trackId] === defaultTrack;
+      }
+
+      mediaType.onTrackChanged();
+    };
+  },
+  /**
+   * Returns a function to be called when a SegmentLoader or PlaylistLoader encounters
+   * an error.
+   *
+   * @param {String} type
+   *        MediaGroup type
+   * @param {Object} settings
+   *        Object containing required information for media groups
+   * @return {Function}
+   *         Error handler. Logs warning to console and disables the active subtitle track
+   * @function onError.SUBTITLES
+   */
+  SUBTITLES: function SUBTITLES(type, settings) {
+    return function () {
+      var segmentLoader = settings.segmentLoaders[type],
+          mediaType = settings.mediaTypes[type];
+
+      videojs$1.log.warn('Problem encountered loading the subtitle track.' + 'Disabling subtitle track.');
+
+      stopLoaders(segmentLoader, mediaType);
+
+      var track = mediaType.activeTrack();
+
+      if (track) {
+        track.mode = 'disabled';
+      }
+
+      mediaType.onTrackChanged();
+    };
+  }
+};
+
+var setupListeners = {
+  /**
+   * Setup event listeners for audio playlist loader
+   *
+   * @param {String} type
+   *        MediaGroup type
+   * @param {PlaylistLoader|null} playlistLoader
+   *        PlaylistLoader to register listeners on
+   * @param {Object} settings
+   *        Object containing required information for media groups
+   * @function setupListeners.AUDIO
+   */
+  AUDIO: function AUDIO(type, playlistLoader, settings) {
+    if (!playlistLoader) {
+      // no playlist loader means audio will be muxed with the video
+      return;
+    }
+
+    var tech = settings.tech,
+        requestOptions = settings.requestOptions,
+        segmentLoader = settings.segmentLoaders[type];
+
+    playlistLoader.on('loadedmetadata', function () {
+      var media = playlistLoader.media();
+
+      segmentLoader.playlist(media, requestOptions);
+
+      // if the video is already playing, or if this isn't a live video and preload
+      // permits, start downloading segments
+      if (!tech.paused() || media.endList && tech.preload() !== 'none') {
+        segmentLoader.load();
+      }
+    });
+
+    playlistLoader.on('loadedplaylist', function () {
+      segmentLoader.playlist(playlistLoader.media(), requestOptions);
+
+      // If the player isn't paused, ensure that the segment loader is running
+      if (!tech.paused()) {
+        segmentLoader.load();
+      }
+    });
+
+    playlistLoader.on('error', onError[type](type, settings));
+  },
+  /**
+   * Setup event listeners for subtitle playlist loader
+   *
+   * @param {String} type
+   *        MediaGroup type
+   * @param {PlaylistLoader|null} playlistLoader
+   *        PlaylistLoader to register listeners on
+   * @param {Object} settings
+   *        Object containing required information for media groups
+   * @function setupListeners.SUBTITLES
+   */
+  SUBTITLES: function SUBTITLES(type, playlistLoader, settings) {
+    var tech = settings.tech,
+        requestOptions = settings.requestOptions,
+        segmentLoader = settings.segmentLoaders[type],
+        mediaType = settings.mediaTypes[type];
+
+    playlistLoader.on('loadedmetadata', function () {
+      var media = playlistLoader.media();
+
+      segmentLoader.playlist(media, requestOptions);
+      segmentLoader.track(mediaType.activeTrack());
+
+      // if the video is already playing, or if this isn't a live video and preload
+      // permits, start downloading segments
+      if (!tech.paused() || media.endList && tech.preload() !== 'none') {
+        segmentLoader.load();
+      }
+    });
+
+    playlistLoader.on('loadedplaylist', function () {
+      segmentLoader.playlist(playlistLoader.media(), requestOptions);
+
+      // If the player isn't paused, ensure that the segment loader is running
+      if (!tech.paused()) {
+        segmentLoader.load();
+      }
+    });
+
+    playlistLoader.on('error', onError[type](type, settings));
+  }
+};
+
+var byGroupId = function byGroupId(type, groupId) {
+  return function (playlist) {
+    return playlist.attributes[type] === groupId;
+  };
+};
+
+var byResolvedUri = function byResolvedUri(resolvedUri) {
+  return function (playlist) {
+    return playlist.resolvedUri === resolvedUri;
+  };
+};
+
+var initialize = {
+  /**
+   * Setup PlaylistLoaders and AudioTracks for the audio groups
+   *
+   * @param {String} type
+   *        MediaGroup type
+   * @param {Object} settings
+   *        Object containing required information for media groups
+   * @function initialize.AUDIO
+   */
+  'AUDIO': function AUDIO(type, settings) {
+    var hls = settings.hls,
+        sourceType = settings.sourceType,
+        segmentLoader = settings.segmentLoaders[type],
+        withCredentials = settings.requestOptions.withCredentials,
+        _settings$master = settings.master,
+        mediaGroups = _settings$master.mediaGroups,
+        playlists = _settings$master.playlists,
+        _settings$mediaTypes$ = settings.mediaTypes[type],
+        groups = _settings$mediaTypes$.groups,
+        tracks = _settings$mediaTypes$.tracks,
+        masterPlaylistLoader = settings.masterPlaylistLoader;
+
+    // force a default if we have none
+
+    if (!mediaGroups[type] || Object.keys(mediaGroups[type]).length === 0) {
+      mediaGroups[type] = { main: { default: { default: true } } };
+    }
+
+    for (var groupId in mediaGroups[type]) {
+      if (!groups[groupId]) {
+        groups[groupId] = [];
+      }
+
+      // List of playlists that have an AUDIO attribute value matching the current
+      // group ID
+      var groupPlaylists = playlists.filter(byGroupId(type, groupId));
+
+      for (var variantLabel in mediaGroups[type][groupId]) {
+        var properties = mediaGroups[type][groupId][variantLabel];
+
+        // List of playlists for the current group ID that have a matching uri with
+        // this alternate audio variant
+        var matchingPlaylists = groupPlaylists.filter(byResolvedUri(properties.resolvedUri));
+
+        if (matchingPlaylists.length) {
+          // If there is a playlist that has the same uri as this audio variant, assume
+          // that the playlist is audio only. We delete the resolvedUri property here
+          // to prevent a playlist loader from being created so that we don't have
+          // both the main and audio segment loaders loading the same audio segments
+          // from the same playlist.
+          delete properties.resolvedUri;
+        }
+
+        var playlistLoader = void 0;
+
+        if (properties.resolvedUri) {
+          playlistLoader = new PlaylistLoader(properties.resolvedUri, hls, withCredentials);
+        } else if (properties.playlists && sourceType === 'dash') {
+          playlistLoader = new DashPlaylistLoader(properties.playlists[0], hls, withCredentials, masterPlaylistLoader);
+        } else {
+          // no resolvedUri means the audio is muxed with the video when using this
+          // audio track
+          playlistLoader = null;
+        }
+
+        properties = videojs$1.mergeOptions({ id: variantLabel, playlistLoader: playlistLoader }, properties);
+
+        setupListeners[type](type, properties.playlistLoader, settings);
+
+        groups[groupId].push(properties);
+
+        if (typeof tracks[variantLabel] === 'undefined') {
+          var track = new videojs$1.AudioTrack({
+            id: variantLabel,
+            kind: audioTrackKind_(properties),
+            enabled: false,
+            language: properties.language,
+            default: properties.default,
+            label: variantLabel
+          });
+
+          tracks[variantLabel] = track;
+        }
+      }
+    }
+
+    // setup single error event handler for the segment loader
+    segmentLoader.on('error', onError[type](type, settings));
+  },
+  /**
+   * Setup PlaylistLoaders and TextTracks for the subtitle groups
+   *
+   * @param {String} type
+   *        MediaGroup type
+   * @param {Object} settings
+   *        Object containing required information for media groups
+   * @function initialize.SUBTITLES
+   */
+  'SUBTITLES': function SUBTITLES(type, settings) {
+    var tech = settings.tech,
+        hls = settings.hls,
+        sourceType = settings.sourceType,
+        segmentLoader = settings.segmentLoaders[type],
+        withCredentials = settings.requestOptions.withCredentials,
+        mediaGroups = settings.master.mediaGroups,
+        _settings$mediaTypes$2 = settings.mediaTypes[type],
+        groups = _settings$mediaTypes$2.groups,
+        tracks = _settings$mediaTypes$2.tracks,
+        masterPlaylistLoader = settings.masterPlaylistLoader;
+
+    for (var groupId in mediaGroups[type]) {
+      if (!groups[groupId]) {
+        groups[groupId] = [];
+      }
+
+      for (var variantLabel in mediaGroups[type][groupId]) {
+        if (mediaGroups[type][groupId][variantLabel].forced) {
+          // Subtitle playlists with the forced attribute are not selectable in Safari.
+          // According to Apple's HLS Authoring Specification:
+          //   If content has forced subtitles and regular subtitles in a given language,
+          //   the regular subtitles track in that language MUST contain both the forced
+          //   subtitles and the regular subtitles for that language.
+          // Because of this requirement and that Safari does not add forced subtitles,
+          // forced subtitles are skipped here to maintain consistent experience across
+          // all platforms
+          continue;
+        }
+
+        var properties = mediaGroups[type][groupId][variantLabel];
+
+        var playlistLoader = void 0;
+
+        if (sourceType === 'hls') {
+          playlistLoader = new PlaylistLoader(properties.resolvedUri, hls, withCredentials);
+        } else if (sourceType === 'dash') {
+          playlistLoader = new DashPlaylistLoader(properties.playlists[0], hls, withCredentials, masterPlaylistLoader);
+        }
+
+        properties = videojs$1.mergeOptions({
+          id: variantLabel,
+          playlistLoader: playlistLoader
+        }, properties);
+
+        setupListeners[type](type, properties.playlistLoader, settings);
+
+        groups[groupId].push(properties);
+
+        if (typeof tracks[variantLabel] === 'undefined') {
+          var track = tech.addRemoteTextTrack({
+            id: variantLabel,
+            kind: 'subtitles',
+            enabled: false,
+            language: properties.language,
+            label: variantLabel
+          }, false).track;
+
+          tracks[variantLabel] = track;
+        }
+      }
+    }
+
+    // setup single error event handler for the segment loader
+    segmentLoader.on('error', onError[type](type, settings));
+  },
+  /**
+   * Setup TextTracks for the closed-caption groups
+   *
+   * @param {String} type
+   *        MediaGroup type
+   * @param {Object} settings
+   *        Object containing required information for media groups
+   * @function initialize['CLOSED-CAPTIONS']
+   */
+  'CLOSED-CAPTIONS': function CLOSEDCAPTIONS(type, settings) {
+    var tech = settings.tech,
+        mediaGroups = settings.master.mediaGroups,
+        _settings$mediaTypes$3 = settings.mediaTypes[type],
+        groups = _settings$mediaTypes$3.groups,
+        tracks = _settings$mediaTypes$3.tracks;
+
+    for (var groupId in mediaGroups[type]) {
+      if (!groups[groupId]) {
+        groups[groupId] = [];
+      }
+
+      for (var variantLabel in mediaGroups[type][groupId]) {
+        var properties = mediaGroups[type][groupId][variantLabel];
+
+        // We only support CEA608 captions for now, so ignore anything that
+        // doesn't use a CCx INSTREAM-ID
+        if (!properties.instreamId.match(/CC\d/)) {
+          continue;
+        }
+
+        // No PlaylistLoader is required for Closed-Captions because the captions are
+        // embedded within the video stream
+        groups[groupId].push(videojs$1.mergeOptions({ id: variantLabel }, properties));
+
+        if (typeof tracks[variantLabel] === 'undefined') {
+          var track = tech.addRemoteTextTrack({
+            id: properties.instreamId,
+            kind: 'captions',
+            enabled: false,
+            language: properties.language,
+            label: variantLabel
+          }, false).track;
+
+          tracks[variantLabel] = track;
+        }
+      }
+    }
+  }
+};
+
+/**
+ * Returns a function used to get the active group of the provided type
+ *
+ * @param {String} type
+ *        MediaGroup type
+ * @param {Object} settings
+ *        Object containing required information for media groups
+ * @return {Function}
+ *         Function that returns the active media group for the provided type. Takes an
+ *         optional parameter {TextTrack} track. If no track is provided, a list of all
+ *         variants in the group, otherwise the variant corresponding to the provided
+ *         track is returned.
+ * @function activeGroup
+ */
+var activeGroup = function activeGroup(type, settings) {
+  return function (track) {
+    var masterPlaylistLoader = settings.masterPlaylistLoader,
+        groups = settings.mediaTypes[type].groups;
+
+    var media = masterPlaylistLoader.media();
+
+    if (!media) {
+      return null;
+    }
+
+    var variants = null;
+
+    if (media.attributes[type]) {
+      variants = groups[media.attributes[type]];
+    }
+
+    variants = variants || groups.main;
+
+    if (typeof track === 'undefined') {
+      return variants;
+    }
+
+    if (track === null) {
+      // An active track was specified so a corresponding group is expected. track === null
+      // means no track is currently active so there is no corresponding group
+      return null;
+    }
+
+    return variants.filter(function (props) {
+      return props.id === track.id;
+    })[0] || null;
+  };
+};
+
+var activeTrack = {
+  /**
+   * Returns a function used to get the active track of type provided
+   *
+   * @param {String} type
+   *        MediaGroup type
+   * @param {Object} settings
+   *        Object containing required information for media groups
+   * @return {Function}
+   *         Function that returns the active media track for the provided type. Returns
+   *         null if no track is active
+   * @function activeTrack.AUDIO
+   */
+  AUDIO: function AUDIO(type, settings) {
+    return function () {
+      var tracks = settings.mediaTypes[type].tracks;
+
+      for (var id in tracks) {
+        if (tracks[id].enabled) {
+          return tracks[id];
+        }
+      }
+
+      return null;
+    };
+  },
+  /**
+   * Returns a function used to get the active track of type provided
+   *
+   * @param {String} type
+   *        MediaGroup type
+   * @param {Object} settings
+   *        Object containing required information for media groups
+   * @return {Function}
+   *         Function that returns the active media track for the provided type. Returns
+   *         null if no track is active
+   * @function activeTrack.SUBTITLES
+   */
+  SUBTITLES: function SUBTITLES(type, settings) {
+    return function () {
+      var tracks = settings.mediaTypes[type].tracks;
+
+      for (var id in tracks) {
+        if (tracks[id].mode === 'showing') {
+          return tracks[id];
+        }
+      }
+
+      return null;
+    };
+  }
+};
+
+/**
+ * Setup PlaylistLoaders and Tracks for media groups (Audio, Subtitles,
+ * Closed-Captions) specified in the master manifest.
+ *
+ * @param {Object} settings
+ *        Object containing required information for setting up the media groups
+ * @param {SegmentLoader} settings.segmentLoaders.AUDIO
+ *        Audio segment loader
+ * @param {SegmentLoader} settings.segmentLoaders.SUBTITLES
+ *        Subtitle segment loader
+ * @param {SegmentLoader} settings.segmentLoaders.main
+ *        Main segment loader
+ * @param {Tech} settings.tech
+ *        The tech of the player
+ * @param {Object} settings.requestOptions
+ *        XHR request options used by the segment loaders
+ * @param {PlaylistLoader} settings.masterPlaylistLoader
+ *        PlaylistLoader for the master source
+ * @param {HlsHandler} settings.hls
+ *        HLS SourceHandler
+ * @param {Object} settings.master
+ *        The parsed master manifest
+ * @param {Object} settings.mediaTypes
+ *        Object to store the loaders, tracks, and utility methods for each media type
+ * @param {Function} settings.blacklistCurrentPlaylist
+ *        Blacklists the current rendition and forces a rendition switch.
+ * @function setupMediaGroups
+ */
+var setupMediaGroups = function setupMediaGroups(settings) {
+  ['AUDIO', 'SUBTITLES', 'CLOSED-CAPTIONS'].forEach(function (type) {
+    initialize[type](type, settings);
+  });
+
+  var mediaTypes = settings.mediaTypes,
+      masterPlaylistLoader = settings.masterPlaylistLoader,
+      tech = settings.tech,
+      hls = settings.hls;
+
+  // setup active group and track getters and change event handlers
+
+  ['AUDIO', 'SUBTITLES'].forEach(function (type) {
+    mediaTypes[type].activeGroup = activeGroup(type, settings);
+    mediaTypes[type].activeTrack = activeTrack[type](type, settings);
+    mediaTypes[type].onGroupChanged = onGroupChanged(type, settings);
+    mediaTypes[type].onTrackChanged = onTrackChanged(type, settings);
+  });
+
+  // DO NOT enable the default subtitle or caption track.
+  // DO enable the default audio track
+  var audioGroup = mediaTypes.AUDIO.activeGroup();
+  var groupId = (audioGroup.filter(function (group) {
+    return group.default;
+  })[0] || audioGroup[0]).id;
+
+  mediaTypes.AUDIO.tracks[groupId].enabled = true;
+  mediaTypes.AUDIO.onTrackChanged();
+
+  masterPlaylistLoader.on('mediachange', function () {
+    ['AUDIO', 'SUBTITLES'].forEach(function (type) {
+      return mediaTypes[type].onGroupChanged();
+    });
+  });
+
+  // custom audio track change event handler for usage event
+  var onAudioTrackChanged = function onAudioTrackChanged() {
+    mediaTypes.AUDIO.onTrackChanged();
+    tech.trigger({ type: 'usage', name: 'hls-audio-change' });
+  };
+
+  tech.audioTracks().addEventListener('change', onAudioTrackChanged);
+  tech.remoteTextTracks().addEventListener('change', mediaTypes.SUBTITLES.onTrackChanged);
+
+  hls.on('dispose', function () {
+    tech.audioTracks().removeEventListener('change', onAudioTrackChanged);
+    tech.remoteTextTracks().removeEventListener('change', mediaTypes.SUBTITLES.onTrackChanged);
+  });
+
+  // clear existing audio tracks and add the ones we just created
+  tech.clearTracks('audio');
+
+  for (var id in mediaTypes.AUDIO.tracks) {
+    tech.audioTracks().addTrack(mediaTypes.AUDIO.tracks[id]);
+  }
+};
+
+/**
+ * Creates skeleton object used to store the loaders, tracks, and utility methods for each
+ * media type
+ *
+ * @return {Object}
+ *         Object to store the loaders, tracks, and utility methods for each media type
+ * @function createMediaTypes
+ */
+var createMediaTypes = function createMediaTypes() {
+  var mediaTypes = {};
+
+  ['AUDIO', 'SUBTITLES', 'CLOSED-CAPTIONS'].forEach(function (type) {
+    mediaTypes[type] = {
+      groups: {},
+      tracks: {},
+      activePlaylistLoader: null,
+      activeGroup: noop,
+      activeTrack: noop,
+      onGroupChanged: noop,
+      onTrackChanged: noop
+    };
+  });
+
+  return mediaTypes;
+};
+
+/**
+ * @file master-playlist-controller.js
+ */
+
+var ABORT_EARLY_BLACKLIST_SECONDS = 60 * 2;
+
+var Hls = void 0;
+
+// SegmentLoader stats that need to have each loader's
+// values summed to calculate the final value
+var loaderStats = ['mediaRequests', 'mediaRequestsAborted', 'mediaRequestsTimedout', 'mediaRequestsErrored', 'mediaTransferDuration', 'mediaBytesTransferred'];
+var sumLoaderStat = function sumLoaderStat(stat) {
+  return this.audioSegmentLoader_[stat] + this.mainSegmentLoader_[stat];
+};
+
+/**
+ * the master playlist controller controller all interactons
+ * between playlists and segmentloaders. At this time this mainly
+ * involves a master playlist and a series of audio playlists
+ * if they are available
+ *
+ * @class MasterPlaylistController
+ * @extends videojs.EventTarget
+ */
+var MasterPlaylistController = function (_videojs$EventTarget) {
+  inherits$1(MasterPlaylistController, _videojs$EventTarget);
+
+  function MasterPlaylistController(options) {
+    classCallCheck$1(this, MasterPlaylistController);
+
+    var _this = possibleConstructorReturn$1(this, (MasterPlaylistController.__proto__ || Object.getPrototypeOf(MasterPlaylistController)).call(this));
+
+    var url = options.url,
+        withCredentials = options.withCredentials,
+        tech = options.tech,
+        bandwidth = options.bandwidth,
+        externHls = options.externHls,
+        useCueTags = options.useCueTags,
+        blacklistDuration = options.blacklistDuration,
+        enableLowInitialPlaylist = options.enableLowInitialPlaylist,
+        sourceType = options.sourceType,
+        seekTo = options.seekTo;
+
+    if (!url) {
+      throw new Error('A non-empty playlist URL is required');
+    }
+
+    Hls = externHls;
+
+    _this.withCredentials = withCredentials;
+    _this.tech_ = tech;
+    _this.hls_ = tech.hls;
+    _this.seekTo_ = seekTo;
+    _this.sourceType_ = sourceType;
+    _this.useCueTags_ = useCueTags;
+    _this.blacklistDuration = blacklistDuration;
+    _this.enableLowInitialPlaylist = enableLowInitialPlaylist;
+    if (_this.useCueTags_) {
+      _this.cueTagsTrack_ = _this.tech_.addTextTrack('metadata', 'ad-cues');
+      _this.cueTagsTrack_.inBandMetadataTrackDispatchType = '';
+    }
+
+    _this.requestOptions_ = {
+      withCredentials: _this.withCredentials,
+      timeout: null
+    };
+
+    _this.mediaTypes_ = createMediaTypes();
+
+    _this.mediaSource = new videojs$1.MediaSource();
+
+    // load the media source into the player
+    _this.mediaSource.addEventListener('sourceopen', _this.handleSourceOpen_.bind(_this));
+
+    _this.seekable_ = videojs$1.createTimeRanges();
+    _this.hasPlayed_ = function () {
+      return false;
+    };
+
+    _this.syncController_ = new SyncController(options);
+    _this.segmentMetadataTrack_ = tech.addRemoteTextTrack({
+      kind: 'metadata',
+      label: 'segment-metadata'
+    }, false).track;
+
+    _this.decrypter_ = new Decrypter$1();
+    _this.inbandTextTracks_ = {};
+
+    var segmentLoaderSettings = {
+      hls: _this.hls_,
+      mediaSource: _this.mediaSource,
+      currentTime: _this.tech_.currentTime.bind(_this.tech_),
+      seekable: function seekable$$1() {
+        return _this.seekable();
+      },
+      seeking: function seeking() {
+        return _this.tech_.seeking();
+      },
+      duration: function duration$$1() {
+        return _this.mediaSource.duration;
+      },
+      hasPlayed: function hasPlayed() {
+        return _this.hasPlayed_();
+      },
+      goalBufferLength: function goalBufferLength() {
+        return _this.goalBufferLength();
+      },
+      bandwidth: bandwidth,
+      syncController: _this.syncController_,
+      decrypter: _this.decrypter_,
+      sourceType: _this.sourceType_,
+      inbandTextTracks: _this.inbandTextTracks_
+    };
+
+    _this.masterPlaylistLoader_ = _this.sourceType_ === 'dash' ? new DashPlaylistLoader(url, _this.hls_, _this.withCredentials) : new PlaylistLoader(url, _this.hls_, _this.withCredentials);
+    _this.setupMasterPlaylistLoaderListeners_();
+
+    // setup segment loaders
+    // combined audio/video or just video when alternate audio track is selected
+    _this.mainSegmentLoader_ = new SegmentLoader(videojs$1.mergeOptions(segmentLoaderSettings, {
+      segmentMetadataTrack: _this.segmentMetadataTrack_,
+      loaderType: 'main'
+    }), options);
+
+    // alternate audio track
+    _this.audioSegmentLoader_ = new SegmentLoader(videojs$1.mergeOptions(segmentLoaderSettings, {
+      loaderType: 'audio'
+    }), options);
+
+    _this.subtitleSegmentLoader_ = new VTTSegmentLoader(videojs$1.mergeOptions(segmentLoaderSettings, {
+      loaderType: 'vtt'
+    }), options);
+
+    _this.setupSegmentLoaderListeners_();
+
+    // Create SegmentLoader stat-getters
+    loaderStats.forEach(function (stat) {
+      _this[stat + '_'] = sumLoaderStat.bind(_this, stat);
+    });
+
+    _this.logger_ = logger('MPC');
+
+    _this.masterPlaylistLoader_.load();
+    return _this;
+  }
+
+  /**
+   * Register event handlers on the master playlist loader. A helper
+   * function for construction time.
+   *
+   * @private
+   */
+
+  createClass$1(MasterPlaylistController, [{
+    key: 'setupMasterPlaylistLoaderListeners_',
+    value: function setupMasterPlaylistLoaderListeners_() {
+      var _this2 = this;
+
+      this.masterPlaylistLoader_.on('loadedmetadata', function () {
+        var media = _this2.masterPlaylistLoader_.media();
+        var requestTimeout = _this2.masterPlaylistLoader_.targetDuration * 1.5 * 1000;
+
+        // If we don't have any more available playlists, we don't want to
+        // timeout the request.
+        if (isLowestEnabledRendition(_this2.masterPlaylistLoader_.master, _this2.masterPlaylistLoader_.media())) {
+          _this2.requestOptions_.timeout = 0;
+        } else {
+          _this2.requestOptions_.timeout = requestTimeout;
+        }
+
+        // if this isn't a live video and preload permits, start
+        // downloading segments
+        if (media.endList && _this2.tech_.preload() !== 'none') {
+          _this2.mainSegmentLoader_.playlist(media, _this2.requestOptions_);
+          _this2.mainSegmentLoader_.load();
+        }
+
+        setupMediaGroups({
+          sourceType: _this2.sourceType_,
+          segmentLoaders: {
+            AUDIO: _this2.audioSegmentLoader_,
+            SUBTITLES: _this2.subtitleSegmentLoader_,
+            main: _this2.mainSegmentLoader_
+          },
+          tech: _this2.tech_,
+          requestOptions: _this2.requestOptions_,
+          masterPlaylistLoader: _this2.masterPlaylistLoader_,
+          hls: _this2.hls_,
+          master: _this2.master(),
+          mediaTypes: _this2.mediaTypes_,
+          blacklistCurrentPlaylist: _this2.blacklistCurrentPlaylist.bind(_this2)
+        });
+
+        _this2.triggerPresenceUsage_(_this2.master(), media);
+
+        try {
+          _this2.setupSourceBuffers_();
+        } catch (e) {
+          videojs$1.log.warn('Failed to create SourceBuffers', e);
+          return _this2.mediaSource.endOfStream('decode');
+        }
+        _this2.setupFirstPlay();
+
+        _this2.trigger('selectedinitialmedia');
+      });
+
+      this.masterPlaylistLoader_.on('loadedplaylist', function () {
+        var updatedPlaylist = _this2.masterPlaylistLoader_.media();
+
+        if (!updatedPlaylist) {
+          // blacklist any variants that are not supported by the browser before selecting
+          // an initial media as the playlist selectors do not consider browser support
+          _this2.excludeUnsupportedVariants_();
+
+          var selectedMedia = void 0;
+
+          if (_this2.enableLowInitialPlaylist) {
+            selectedMedia = _this2.selectInitialPlaylist();
+          }
+
+          if (!selectedMedia) {
+            selectedMedia = _this2.selectPlaylist();
+          }
+
+          _this2.initialMedia_ = selectedMedia;
+          _this2.masterPlaylistLoader_.media(_this2.initialMedia_);
+          return;
+        }
+
+        if (_this2.useCueTags_) {
+          _this2.updateAdCues_(updatedPlaylist);
+        }
+
+        // TODO: Create a new event on the PlaylistLoader that signals
+        // that the segments have changed in some way and use that to
+        // update the SegmentLoader instead of doing it twice here and
+        // on `mediachange`
+        _this2.mainSegmentLoader_.playlist(updatedPlaylist, _this2.requestOptions_);
+        _this2.updateDuration();
+
+        // If the player isn't paused, ensure that the segment loader is running,
+        // as it is possible that it was temporarily stopped while waiting for
+        // a playlist (e.g., in case the playlist errored and we re-requested it).
+        if (!_this2.tech_.paused()) {
+          _this2.mainSegmentLoader_.load();
+          if (_this2.audioSegmentLoader_) {
+            _this2.audioSegmentLoader_.load();
+          }
+        }
+
+        if (!updatedPlaylist.endList) {
+          var addSeekableRange = function addSeekableRange() {
+            var seekable$$1 = _this2.seekable();
+
+            if (seekable$$1.length !== 0) {
+              _this2.mediaSource.addSeekableRange_(seekable$$1.start(0), seekable$$1.end(0));
+            }
+          };
+
+          if (_this2.duration() !== Infinity) {
+            var onDurationchange = function onDurationchange() {
+              if (_this2.duration() === Infinity) {
+                addSeekableRange();
+              } else {
+                _this2.tech_.one('durationchange', onDurationchange);
+              }
+            };
+
+            _this2.tech_.one('durationchange', onDurationchange);
+          } else {
+            addSeekableRange();
+          }
+        }
+      });
+
+      this.masterPlaylistLoader_.on('error', function () {
+        _this2.blacklistCurrentPlaylist(_this2.masterPlaylistLoader_.error);
+      });
+
+      this.masterPlaylistLoader_.on('mediachanging', function () {
+        _this2.mainSegmentLoader_.abort();
+        _this2.mainSegmentLoader_.pause();
+      });
+
+      this.masterPlaylistLoader_.on('mediachange', function () {
+        var media = _this2.masterPlaylistLoader_.media();
+        var requestTimeout = _this2.masterPlaylistLoader_.targetDuration * 1.5 * 1000;
+
+        // If we don't have any more available playlists, we don't want to
+        // timeout the request.
+        if (isLowestEnabledRendition(_this2.masterPlaylistLoader_.master, _this2.masterPlaylistLoader_.media())) {
+          _this2.requestOptions_.timeout = 0;
+        } else {
+          _this2.requestOptions_.timeout = requestTimeout;
+        }
+
+        // TODO: Create a new event on the PlaylistLoader that signals
+        // that the segments have changed in some way and use that to
+        // update the SegmentLoader instead of doing it twice here and
+        // on `loadedplaylist`
+        _this2.mainSegmentLoader_.playlist(media, _this2.requestOptions_);
+
+        _this2.mainSegmentLoader_.load();
+
+        _this2.tech_.trigger({
+          type: 'mediachange',
+          bubbles: true
+        });
+      });
+
+      this.masterPlaylistLoader_.on('playlistunchanged', function () {
+        var updatedPlaylist = _this2.masterPlaylistLoader_.media();
+        var playlistOutdated = _this2.stuckAtPlaylistEnd_(updatedPlaylist);
+
+        if (playlistOutdated) {
+          // Playlist has stopped updating and we're stuck at its end. Try to
+          // blacklist it and switch to another playlist in the hope that that
+          // one is updating (and give the player a chance to re-adjust to the
+          // safe live point).
+          _this2.blacklistCurrentPlaylist({
+            message: 'Playlist no longer updating.'
+          });
+          // useful for monitoring QoS
+          _this2.tech_.trigger('playliststuck');
+        }
+      });
+
+      this.masterPlaylistLoader_.on('renditiondisabled', function () {
+        _this2.tech_.trigger({ type: 'usage', name: 'hls-rendition-disabled' });
+      });
+      this.masterPlaylistLoader_.on('renditionenabled', function () {
+        _this2.tech_.trigger({ type: 'usage', name: 'hls-rendition-enabled' });
+      });
+    }
+
+    /**
+     * A helper function for triggerring presence usage events once per source
+     *
+     * @private
+     */
+
+  }, {
+    key: 'triggerPresenceUsage_',
+    value: function triggerPresenceUsage_(master, media) {
+      var mediaGroups = master.mediaGroups || {};
+      var defaultDemuxed = true;
+      var audioGroupKeys = Object.keys(mediaGroups.AUDIO);
+
+      for (var mediaGroup in mediaGroups.AUDIO) {
+        for (var label in mediaGroups.AUDIO[mediaGroup]) {
+          var properties = mediaGroups.AUDIO[mediaGroup][label];
+
+          if (!properties.uri) {
+            defaultDemuxed = false;
+          }
+        }
+      }
+
+      if (defaultDemuxed) {
+        this.tech_.trigger({ type: 'usage', name: 'hls-demuxed' });
+      }
+
+      if (Object.keys(mediaGroups.SUBTITLES).length) {
+        this.tech_.trigger({ type: 'usage', name: 'hls-webvtt' });
+      }
+
+      if (Hls.Playlist.isAes(media)) {
+        this.tech_.trigger({ type: 'usage', name: 'hls-aes' });
+      }
+
+      if (Hls.Playlist.isFmp4(media)) {
+        this.tech_.trigger({ type: 'usage', name: 'hls-fmp4' });
+      }
+
+      if (audioGroupKeys.length && Object.keys(mediaGroups.AUDIO[audioGroupKeys[0]]).length > 1) {
+        this.tech_.trigger({ type: 'usage', name: 'hls-alternate-audio' });
+      }
+
+      if (this.useCueTags_) {
+        this.tech_.trigger({ type: 'usage', name: 'hls-playlist-cue-tags' });
+      }
+    }
+    /**
+     * Register event handlers on the segment loaders. A helper function
+     * for construction time.
+     *
+     * @private
+     */
+
+  }, {
+    key: 'setupSegmentLoaderListeners_',
+    value: function setupSegmentLoaderListeners_() {
+      var _this3 = this;
+
+      this.mainSegmentLoader_.on('bandwidthupdate', function () {
+        var nextPlaylist = _this3.selectPlaylist();
+        var currentPlaylist = _this3.masterPlaylistLoader_.media();
+        var buffered = _this3.tech_.buffered();
+        var forwardBuffer = buffered.length ? buffered.end(buffered.length - 1) - _this3.tech_.currentTime() : 0;
+
+        var bufferLowWaterLine = _this3.bufferLowWaterLine();
+
+        // If the playlist is live, then we want to not take low water line into account.
+        // This is because in LIVE, the player plays 3 segments from the end of the
+        // playlist, and if `BUFFER_LOW_WATER_LINE` is greater than the duration availble
+        // in those segments, a viewer will never experience a rendition upswitch.
+        if (!currentPlaylist.endList ||
+        // For the same reason as LIVE, we ignore the low water line when the VOD
+        // duration is below the max potential low water line
+        _this3.duration() < Config.MAX_BUFFER_LOW_WATER_LINE ||
+        // we want to switch down to lower resolutions quickly to continue playback, but
+        nextPlaylist.attributes.BANDWIDTH < currentPlaylist.attributes.BANDWIDTH ||
+        // ensure we have some buffer before we switch up to prevent us running out of
+        // buffer while loading a higher rendition.
+        forwardBuffer >= bufferLowWaterLine) {
+          _this3.masterPlaylistLoader_.media(nextPlaylist);
+        }
+
+        _this3.tech_.trigger('bandwidthupdate');
+      });
+      this.mainSegmentLoader_.on('progress', function () {
+        _this3.trigger('progress');
+      });
+
+      this.mainSegmentLoader_.on('error', function () {
+        _this3.blacklistCurrentPlaylist(_this3.mainSegmentLoader_.error());
+      });
+
+      this.mainSegmentLoader_.on('syncinfoupdate', function () {
+        _this3.onSyncInfoUpdate_();
+      });
+
+      this.mainSegmentLoader_.on('timestampoffset', function () {
+        _this3.tech_.trigger({ type: 'usage', name: 'hls-timestamp-offset' });
+      });
+      this.audioSegmentLoader_.on('syncinfoupdate', function () {
+        _this3.onSyncInfoUpdate_();
+      });
+
+      this.mainSegmentLoader_.on('ended', function () {
+        _this3.onEndOfStream();
+      });
+
+      this.mainSegmentLoader_.on('earlyabort', function () {
+        _this3.blacklistCurrentPlaylist({
+          message: 'Aborted early because there isn\'t enough bandwidth to complete the ' + 'request without rebuffering.'
+        }, ABORT_EARLY_BLACKLIST_SECONDS);
+      });
+
+      this.mainSegmentLoader_.on('reseteverything', function () {
+        // If playing an MTS stream, a videojs.MediaSource is listening for
+        // hls-reset to reset caption parsing state in the transmuxer
+        _this3.tech_.trigger('hls-reset');
+      });
+
+      this.mainSegmentLoader_.on('segmenttimemapping', function (event) {
+        // If playing an MTS stream in html, a videojs.MediaSource is listening for
+        // hls-segment-time-mapping update its internal mapping of stream to display time
+        _this3.tech_.trigger({
+          type: 'hls-segment-time-mapping',
+          mapping: event.mapping
+        });
+      });
+
+      this.audioSegmentLoader_.on('ended', function () {
+        _this3.onEndOfStream();
+      });
+    }
+  }, {
+    key: 'mediaSecondsLoaded_',
+    value: function mediaSecondsLoaded_() {
+      return Math.max(this.audioSegmentLoader_.mediaSecondsLoaded + this.mainSegmentLoader_.mediaSecondsLoaded);
+    }
+
+    /**
+     * Call load on our SegmentLoaders
+     */
+
+  }, {
+    key: 'load',
+    value: function load() {
+      this.mainSegmentLoader_.load();
+      if (this.mediaTypes_.AUDIO.activePlaylistLoader) {
+        this.audioSegmentLoader_.load();
+      }
+      if (this.mediaTypes_.SUBTITLES.activePlaylistLoader) {
+        this.subtitleSegmentLoader_.load();
+      }
+    }
+
+    /**
+     * Re-tune playback quality level for the current player
+     * conditions without performing destructive actions, like
+     * removing already buffered content
+     *
+     * @private
+     */
+
+  }, {
+    key: 'smoothQualityChange_',
+    value: function smoothQualityChange_() {
+      var media = this.selectPlaylist();
+
+      if (media !== this.masterPlaylistLoader_.media()) {
+        this.masterPlaylistLoader_.media(media);
+
+        this.mainSegmentLoader_.resetLoader();
+        // don't need to reset audio as it is reset when media changes
+      }
+    }
+
+    /**
+     * Re-tune playback quality level for the current player
+     * conditions. This method will perform destructive actions like removing
+     * already buffered content in order to readjust the currently active
+     * playlist quickly. This is good for manual quality changes
+     *
+     * @private
+     */
+
+  }, {
+    key: 'fastQualityChange_',
+    value: function fastQualityChange_() {
+      var _this4 = this;
+
+      var media = this.selectPlaylist();
+
+      if (media === this.masterPlaylistLoader_.media()) {
+        return;
+      }
+
+      this.masterPlaylistLoader_.media(media);
+
+      // Delete all buffered data to allow an immediate quality switch, then seek to give
+      // the browser a kick to remove any cached frames from the previous rendtion (.04 seconds
+      // ahead is roughly the minimum that will accomplish this across a variety of content
+      // in IE and Edge, but seeking in place is sufficient on all other browsers)
+      // Edge/IE bug: https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/14600375/
+      // Chrome bug: https://bugs.chromium.org/p/chromium/issues/detail?id=651904
+      this.mainSegmentLoader_.resetEverything(function () {
+        // Since this is not a typical seek, we avoid the seekTo method which can cause segments
+        // from the previously enabled rendition to load before the new playlist has finished loading
+        if (videojs$1.browser.IE_VERSION || videojs$1.browser.IS_EDGE) {
+          _this4.tech_.setCurrentTime(_this4.tech_.currentTime() + 0.04);
+        } else {
+          _this4.tech_.setCurrentTime(_this4.tech_.currentTime());
+        }
+      });
+
+      // don't need to reset audio as it is reset when media changes
+    }
+
+    /**
+     * Begin playback.
+     */
+
+  }, {
+    key: 'play',
+    value: function play() {
+      if (this.setupFirstPlay()) {
+        return;
+      }
+
+      if (this.tech_.ended()) {
+        this.seekTo_(0);
+      }
+
+      if (this.hasPlayed_()) {
+        this.load();
+      }
+
+      var seekable$$1 = this.tech_.seekable();
+
+      // if the viewer has paused and we fell out of the live window,
+      // seek forward to the live point
+      if (this.tech_.duration() === Infinity) {
+        if (this.tech_.currentTime() < seekable$$1.start(0)) {
+          return this.seekTo_(seekable$$1.end(seekable$$1.length - 1));
+        }
+      }
+    }
+
+    /**
+     * Seek to the latest media position if this is a live video and the
+     * player and video are loaded and initialized.
+     */
+
+  }, {
+    key: 'setupFirstPlay',
+    value: function setupFirstPlay() {
+      var _this5 = this;
+
+      var media = this.masterPlaylistLoader_.media();
+
+      // Check that everything is ready to begin buffering for the first call to play
+      //  If 1) there is no active media
+      //     2) the player is paused
+      //     3) the first play has already been setup
+      // then exit early
+      if (!media || this.tech_.paused() || this.hasPlayed_()) {
+        return false;
+      }
+
+      // when the video is a live stream
+      if (!media.endList) {
+        var seekable$$1 = this.seekable();
+
+        if (!seekable$$1.length) {
+          // without a seekable range, the player cannot seek to begin buffering at the live
+          // point
+          return false;
+        }
+
+        if (videojs$1.browser.IE_VERSION && this.tech_.readyState() === 0) {
+          // IE11 throws an InvalidStateError if you try to set currentTime while the
+          // readyState is 0, so it must be delayed until the tech fires loadedmetadata.
+          this.tech_.one('loadedmetadata', function () {
+            _this5.trigger('firstplay');
+            _this5.seekTo_(seekable$$1.end(0));
+            _this5.hasPlayed_ = function () {
+              return true;
+            };
+          });
+
+          return false;
+        }
+
+        // trigger firstplay to inform the source handler to ignore the next seek event
+        this.trigger('firstplay');
+        // seek to the live point
+        this.seekTo_(seekable$$1.end(0));
+      }
+
+      this.hasPlayed_ = function () {
+        return true;
+      };
+      // we can begin loading now that everything is ready
+      this.load();
+      return true;
+    }
+
+    /**
+     * handle the sourceopen event on the MediaSource
+     *
+     * @private
+     */
+
+  }, {
+    key: 'handleSourceOpen_',
+    value: function handleSourceOpen_() {
+      // Only attempt to create the source buffer if none already exist.
+      // handleSourceOpen is also called when we are "re-opening" a source buffer
+      // after `endOfStream` has been called (in response to a seek for instance)
+      try {
+        this.setupSourceBuffers_();
+      } catch (e) {
+        videojs$1.log.warn('Failed to create Source Buffers', e);
+        return this.mediaSource.endOfStream('decode');
+      }
+
+      // if autoplay is enabled, begin playback. This is duplicative of
+      // code in video.js but is required because play() must be invoked
+      // *after* the media source has opened.
+      if (this.tech_.autoplay()) {
+        var playPromise = this.tech_.play();
+
+        // Catch/silence error when a pause interrupts a play request
+        // on browsers which return a promise
+        if (typeof playPromise !== 'undefined' && typeof playPromise.then === 'function') {
+          playPromise.then(null, function (e) {});
+        }
+      }
+
+      this.trigger('sourceopen');
+    }
+
+    /**
+     * Calls endOfStream on the media source when all active stream types have called
+     * endOfStream
+     *
+     * @param {string} streamType
+     *        Stream type of the segment loader that called endOfStream
+     * @private
+     */
+
+  }, {
+    key: 'onEndOfStream',
+    value: function onEndOfStream() {
+      var isEndOfStream = this.mainSegmentLoader_.ended_;
+
+      if (this.mediaTypes_.AUDIO.activePlaylistLoader) {
+        // if the audio playlist loader exists, then alternate audio is active
+        if (!this.mainSegmentLoader_.startingMedia_ || this.mainSegmentLoader_.startingMedia_.containsVideo) {
+          // if we do not know if the main segment loader contains video yet or if we
+          // definitively know the main segment loader contains video, then we need to wait
+          // for both main and audio segment loaders to call endOfStream
+          isEndOfStream = isEndOfStream && this.audioSegmentLoader_.ended_;
+        } else {
+          // otherwise just rely on the audio loader
+          isEndOfStream = this.audioSegmentLoader_.ended_;
+        }
+      }
+
+      if (isEndOfStream) {
+        this.mediaSource.endOfStream();
+      }
+    }
+
+    /**
+     * Check if a playlist has stopped being updated
+     * @param {Object} playlist the media playlist object
+     * @return {boolean} whether the playlist has stopped being updated or not
+     */
+
+  }, {
+    key: 'stuckAtPlaylistEnd_',
+    value: function stuckAtPlaylistEnd_(playlist) {
+      var seekable$$1 = this.seekable();
+
+      if (!seekable$$1.length) {
+        // playlist doesn't have enough information to determine whether we are stuck
+        return false;
+      }
+
+      var expired = this.syncController_.getExpiredTime(playlist, this.mediaSource.duration);
+
+      if (expired === null) {
+        return false;
+      }
+
+      // does not use the safe live end to calculate playlist end, since we
+      // don't want to say we are stuck while there is still content
+      var absolutePlaylistEnd = Hls.Playlist.playlistEnd(playlist, expired);
+      var currentTime = this.tech_.currentTime();
+      var buffered = this.tech_.buffered();
+
+      if (!buffered.length) {
+        // return true if the playhead reached the absolute end of the playlist
+        return absolutePlaylistEnd - currentTime <= SAFE_TIME_DELTA;
+      }
+      var bufferedEnd = buffered.end(buffered.length - 1);
+
+      // return true if there is too little buffer left and buffer has reached absolute
+      // end of playlist
+      return bufferedEnd - currentTime <= SAFE_TIME_DELTA && absolutePlaylistEnd - bufferedEnd <= SAFE_TIME_DELTA;
+    }
+
+    /**
+     * Blacklists a playlist when an error occurs for a set amount of time
+     * making it unavailable for selection by the rendition selection algorithm
+     * and then forces a new playlist (rendition) selection.
+     *
+     * @param {Object=} error an optional error that may include the playlist
+     * to blacklist
+     * @param {Number=} blacklistDuration an optional number of seconds to blacklist the
+     * playlist
+     */
+
+  }, {
+    key: 'blacklistCurrentPlaylist',
+    value: function blacklistCurrentPlaylist() {
+      var error = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+      var blacklistDuration = arguments[1];
+
+      var currentPlaylist = void 0;
+      var nextPlaylist = void 0;
+
+      // If the `error` was generated by the playlist loader, it will contain
+      // the playlist we were trying to load (but failed) and that should be
+      // blacklisted instead of the currently selected playlist which is likely
+      // out-of-date in this scenario
+      currentPlaylist = error.playlist || this.masterPlaylistLoader_.media();
+
+      blacklistDuration = blacklistDuration || error.blacklistDuration || this.blacklistDuration;
+
+      // If there is no current playlist, then an error occurred while we were
+      // trying to load the master OR while we were disposing of the tech
+      if (!currentPlaylist) {
+        this.error = error;
+
+        try {
+          return this.mediaSource.endOfStream('network');
+        } catch (e) {
+          return this.trigger('error');
+        }
+      }
+
+      var isFinalRendition = this.masterPlaylistLoader_.master.playlists.filter(isEnabled).length === 1;
+
+      if (isFinalRendition) {
+        // Never blacklisting this playlist because it's final rendition
+        videojs$1.log.warn('Problem encountered with the current ' + 'HLS playlist. Trying again since it is the final playlist.');
+
+        this.tech_.trigger('retryplaylist');
+        return this.masterPlaylistLoader_.load(isFinalRendition);
+      }
+      // Blacklist this playlist
+      currentPlaylist.excludeUntil = Date.now() + blacklistDuration * 1000;
+      this.tech_.trigger('blacklistplaylist');
+      this.tech_.trigger({ type: 'usage', name: 'hls-rendition-blacklisted' });
+
+      // Select a new playlist
+      nextPlaylist = this.selectPlaylist();
+      videojs$1.log.warn('Problem encountered with the current HLS playlist.' + (error.message ? ' ' + error.message : '') + ' Switching to another playlist.');
+
+      return this.masterPlaylistLoader_.media(nextPlaylist);
+    }
+
+    /**
+     * Pause all segment loaders
+     */
+
+  }, {
+    key: 'pauseLoading',
+    value: function pauseLoading() {
+      this.mainSegmentLoader_.pause();
+      if (this.mediaTypes_.AUDIO.activePlaylistLoader) {
+        this.audioSegmentLoader_.pause();
+      }
+      if (this.mediaTypes_.SUBTITLES.activePlaylistLoader) {
+        this.subtitleSegmentLoader_.pause();
+      }
+    }
+
+    /**
+     * set the current time on all segment loaders
+     *
+     * @param {TimeRange} currentTime the current time to set
+     * @return {TimeRange} the current time
+     */
+
+  }, {
+    key: 'setCurrentTime',
+    value: function setCurrentTime(currentTime) {
+      var buffered = findRange(this.tech_.buffered(), currentTime);
+
+      if (!(this.masterPlaylistLoader_ && this.masterPlaylistLoader_.media())) {
+        // return immediately if the metadata is not ready yet
+        return 0;
+      }
+
+      // it's clearly an edge-case but don't thrown an error if asked to
+      // seek within an empty playlist
+      if (!this.masterPlaylistLoader_.media().segments) {
+        return 0;
+      }
+
+      // In flash playback, the segment loaders should be reset on every seek, even
+      // in buffer seeks. If the seek location is already buffered, continue buffering as
+      // usual
+      // TODO: redo this comment
+      if (buffered && buffered.length) {
+        return currentTime;
+      }
+
+      // cancel outstanding requests so we begin buffering at the new
+      // location
+      this.mainSegmentLoader_.resetEverything();
+      this.mainSegmentLoader_.abort();
+      if (this.mediaTypes_.AUDIO.activePlaylistLoader) {
+        this.audioSegmentLoader_.resetEverything();
+        this.audioSegmentLoader_.abort();
+      }
+      if (this.mediaTypes_.SUBTITLES.activePlaylistLoader) {
+        this.subtitleSegmentLoader_.resetEverything();
+        this.subtitleSegmentLoader_.abort();
+      }
+
+      // start segment loader loading in case they are paused
+      this.load();
+    }
+
+    /**
+     * get the current duration
+     *
+     * @return {TimeRange} the duration
+     */
+
+  }, {
+    key: 'duration',
+    value: function duration$$1() {
+      if (!this.masterPlaylistLoader_) {
+        return 0;
+      }
+
+      if (this.mediaSource) {
+        return this.mediaSource.duration;
+      }
+
+      return Hls.Playlist.duration(this.masterPlaylistLoader_.media());
+    }
+
+    /**
+     * check the seekable range
+     *
+     * @return {TimeRange} the seekable range
+     */
+
+  }, {
+    key: 'seekable',
+    value: function seekable$$1() {
+      return this.seekable_;
+    }
+  }, {
+    key: 'onSyncInfoUpdate_',
+    value: function onSyncInfoUpdate_() {
+      var mainSeekable = void 0;
+      var audioSeekable = void 0;
+
+      if (!this.masterPlaylistLoader_) {
+        return;
+      }
+
+      var media = this.masterPlaylistLoader_.media();
+
+      if (!media) {
+        return;
+      }
+
+      var expired = this.syncController_.getExpiredTime(media, this.mediaSource.duration);
+
+      if (expired === null) {
+        // not enough information to update seekable
+        return;
+      }
+
+      mainSeekable = Hls.Playlist.seekable(media, expired);
+
+      if (mainSeekable.length === 0) {
+        return;
+      }
+
+      if (this.mediaTypes_.AUDIO.activePlaylistLoader) {
+        media = this.mediaTypes_.AUDIO.activePlaylistLoader.media();
+        expired = this.syncController_.getExpiredTime(media, this.mediaSource.duration);
+
+        if (expired === null) {
+          return;
+        }
+
+        audioSeekable = Hls.Playlist.seekable(media, expired);
+
+        if (audioSeekable.length === 0) {
+          return;
+        }
+      }
+
+      if (!audioSeekable) {
+        // seekable has been calculated based on buffering video data so it
+        // can be returned directly
+        this.seekable_ = mainSeekable;
+      } else if (audioSeekable.start(0) > mainSeekable.end(0) || mainSeekable.start(0) > audioSeekable.end(0)) {
+        // seekables are pretty far off, rely on main
+        this.seekable_ = mainSeekable;
+      } else {
+        this.seekable_ = videojs$1.createTimeRanges([[audioSeekable.start(0) > mainSeekable.start(0) ? audioSeekable.start(0) : mainSeekable.start(0), audioSeekable.end(0) < mainSeekable.end(0) ? audioSeekable.end(0) : mainSeekable.end(0)]]);
+      }
+
+      this.logger_('seekable updated [' + printableRange(this.seekable_) + ']');
+
+      this.tech_.trigger('seekablechanged');
+    }
+
+    /**
+     * Update the player duration
+     */
+
+  }, {
+    key: 'updateDuration',
+    value: function updateDuration() {
+      var _this6 = this;
+
+      var oldDuration = this.mediaSource.duration;
+      var newDuration = Hls.Playlist.duration(this.masterPlaylistLoader_.media());
+      var buffered = this.tech_.buffered();
+      var setDuration = function setDuration() {
+        _this6.mediaSource.duration = newDuration;
+        _this6.tech_.trigger('durationchange');
+
+        _this6.mediaSource.removeEventListener('sourceopen', setDuration);
+      };
+
+      if (buffered.length > 0) {
+        newDuration = Math.max(newDuration, buffered.end(buffered.length - 1));
+      }
+
+      // if the duration has changed, invalidate the cached value
+      if (oldDuration !== newDuration) {
+        // update the duration
+        if (this.mediaSource.readyState !== 'open') {
+          this.mediaSource.addEventListener('sourceopen', setDuration);
+        } else {
+          setDuration();
+        }
+      }
+    }
+
+    /**
+     * dispose of the MasterPlaylistController and everything
+     * that it controls
+     */
+
+  }, {
+    key: 'dispose',
+    value: function dispose() {
+      var _this7 = this;
+
+      this.decrypter_.terminate();
+      this.masterPlaylistLoader_.dispose();
+      this.mainSegmentLoader_.dispose();
+
+      ['AUDIO', 'SUBTITLES'].forEach(function (type) {
+        var groups = _this7.mediaTypes_[type].groups;
+
+        for (var id in groups) {
+          groups[id].forEach(function (group) {
+            if (group.playlistLoader) {
+              group.playlistLoader.dispose();
+            }
+          });
+        }
+      });
+
+      this.audioSegmentLoader_.dispose();
+      this.subtitleSegmentLoader_.dispose();
+    }
+
+    /**
+     * return the master playlist object if we have one
+     *
+     * @return {Object} the master playlist object that we parsed
+     */
+
+  }, {
+    key: 'master',
+    value: function master() {
+      return this.masterPlaylistLoader_.master;
+    }
+
+    /**
+     * return the currently selected playlist
+     *
+     * @return {Object} the currently selected playlist object that we parsed
+     */
+
+  }, {
+    key: 'media',
+    value: function media() {
+      // playlist loader will not return media if it has not been fully loaded
+      return this.masterPlaylistLoader_.media() || this.initialMedia_;
+    }
+
+    /**
+     * setup our internal source buffers on our segment Loaders
+     *
+     * @private
+     */
+
+  }, {
+    key: 'setupSourceBuffers_',
+    value: function setupSourceBuffers_() {
+      var media = this.masterPlaylistLoader_.media();
+      var mimeTypes = void 0;
+
+      // wait until a media playlist is available and the Media Source is
+      // attached
+      if (!media || this.mediaSource.readyState !== 'open') {
+        return;
+      }
+
+      mimeTypes = mimeTypesForPlaylist(this.masterPlaylistLoader_.master, media);
+      if (mimeTypes.length < 1) {
+        this.error = 'No compatible SourceBuffer configuration for the variant stream:' + media.resolvedUri;
+        return this.mediaSource.endOfStream('decode');
+      }
+
+      this.configureLoaderMimeTypes_(mimeTypes);
+      // exclude any incompatible variant streams from future playlist
+      // selection
+      this.excludeIncompatibleVariants_(media);
+    }
+  }, {
+    key: 'configureLoaderMimeTypes_',
+    value: function configureLoaderMimeTypes_(mimeTypes) {
+      // If the content is demuxed, we can't start appending segments to a source buffer
+      // until both source buffers are set up, or else the browser may not let us add the
+      // second source buffer (it will assume we are playing either audio only or video
+      // only).
+      var sourceBufferEmitter =
+      // If there is more than one mime type
+      mimeTypes.length > 1 &&
+      // and the first mime type does not have muxed video and audio
+      mimeTypes[0].indexOf(',') === -1 &&
+      // and the two mime types are different (they can be the same in the case of audio
+      // only with alternate audio)
+      mimeTypes[0] !== mimeTypes[1] ?
+      // then we want to wait on the second source buffer
+      new videojs$1.EventTarget() :
+      // otherwise there is no need to wait as the content is either audio only,
+      // video only, or muxed content.
+      null;
+
+      this.mainSegmentLoader_.mimeType(mimeTypes[0], sourceBufferEmitter);
+      if (mimeTypes[1]) {
+        this.audioSegmentLoader_.mimeType(mimeTypes[1], sourceBufferEmitter);
+      }
+    }
+
+    /**
+     * Blacklists playlists with codecs that are unsupported by the browser.
+     */
+
+  }, {
+    key: 'excludeUnsupportedVariants_',
+    value: function excludeUnsupportedVariants_() {
+      this.master().playlists.forEach(function (variant) {
+        if (variant.attributes.CODECS && window$1.MediaSource && window$1.MediaSource.isTypeSupported && !window$1.MediaSource.isTypeSupported('video/mp4; codecs="' + mapLegacyAvcCodecs(variant.attributes.CODECS) + '"')) {
+          variant.excludeUntil = Infinity;
+        }
+      });
+    }
+
+    /**
+     * Blacklist playlists that are known to be codec or
+     * stream-incompatible with the SourceBuffer configuration. For
+     * instance, Media Source Extensions would cause the video element to
+     * stall waiting for video data if you switched from a variant with
+     * video and audio to an audio-only one.
+     *
+     * @param {Object} media a media playlist compatible with the current
+     * set of SourceBuffers. Variants in the current master playlist that
+     * do not appear to have compatible codec or stream configurations
+     * will be excluded from the default playlist selection algorithm
+     * indefinitely.
+     * @private
+     */
+
+  }, {
+    key: 'excludeIncompatibleVariants_',
+    value: function excludeIncompatibleVariants_(media) {
+      var codecCount = 2;
+      var videoCodec = null;
+      var codecs = void 0;
+
+      if (media.attributes.CODECS) {
+        codecs = parseCodecs(media.attributes.CODECS);
+        videoCodec = codecs.videoCodec;
+        codecCount = codecs.codecCount;
+      }
+
+      this.master().playlists.forEach(function (variant) {
+        var variantCodecs = {
+          codecCount: 2,
+          videoCodec: null
+        };
+
+        if (variant.attributes.CODECS) {
+          variantCodecs = parseCodecs(variant.attributes.CODECS);
+        }
+
+        // if the streams differ in the presence or absence of audio or
+        // video, they are incompatible
+        if (variantCodecs.codecCount !== codecCount) {
+          variant.excludeUntil = Infinity;
+        }
+
+        // if h.264 is specified on the current playlist, some flavor of
+        // it must be specified on all compatible variants
+        if (variantCodecs.videoCodec !== videoCodec) {
+          variant.excludeUntil = Infinity;
+        }
+      });
+    }
+  }, {
+    key: 'updateAdCues_',
+    value: function updateAdCues_(media) {
+      var offset = 0;
+      var seekable$$1 = this.seekable();
+
+      if (seekable$$1.length) {
+        offset = seekable$$1.start(0);
+      }
+
+      updateAdCues(media, this.cueTagsTrack_, offset);
+    }
+
+    /**
+     * Calculates the desired forward buffer length based on current time
+     *
+     * @return {Number} Desired forward buffer length in seconds
+     */
+
+  }, {
+    key: 'goalBufferLength',
+    value: function goalBufferLength() {
+      var currentTime = this.tech_.currentTime();
+      var initial = Config.GOAL_BUFFER_LENGTH;
+      var rate = Config.GOAL_BUFFER_LENGTH_RATE;
+      var max = Math.max(initial, Config.MAX_GOAL_BUFFER_LENGTH);
+
+      return Math.min(initial + currentTime * rate, max);
+    }
+
+    /**
+     * Calculates the desired buffer low water line based on current time
+     *
+     * @return {Number} Desired buffer low water line in seconds
+     */
+
+  }, {
+    key: 'bufferLowWaterLine',
+    value: function bufferLowWaterLine() {
+      var currentTime = this.tech_.currentTime();
+      var initial = Config.BUFFER_LOW_WATER_LINE;
+      var rate = Config.BUFFER_LOW_WATER_LINE_RATE;
+      var max = Math.max(initial, Config.MAX_BUFFER_LOW_WATER_LINE);
+
+      return Math.min(initial + currentTime * rate, max);
+    }
+  }]);
+  return MasterPlaylistController;
+}(videojs$1.EventTarget);
+
+/**
+ * Returns a function that acts as the Enable/disable playlist function.
+ *
+ * @param {PlaylistLoader} loader - The master playlist loader
+ * @param {String} playlistUri - uri of the playlist
+ * @param {Function} changePlaylistFn - A function to be called after a
+ * playlist's enabled-state has been changed. Will NOT be called if a
+ * playlist's enabled-state is unchanged
+ * @param {Boolean=} enable - Value to set the playlist enabled-state to
+ * or if undefined returns the current enabled-state for the playlist
+ * @return {Function} Function for setting/getting enabled
+ */
+var enableFunction = function enableFunction(loader, playlistUri, changePlaylistFn) {
+  return function (enable) {
+    var playlist = loader.master.playlists[playlistUri];
+    var incompatible = isIncompatible(playlist);
+    var currentlyEnabled = isEnabled(playlist);
+
+    if (typeof enable === 'undefined') {
+      return currentlyEnabled;
+    }
+
+    if (enable) {
+      delete playlist.disabled;
+    } else {
+      playlist.disabled = true;
+    }
+
+    if (enable !== currentlyEnabled && !incompatible) {
+      // Ensure the outside world knows about our changes
+      changePlaylistFn();
+      if (enable) {
+        loader.trigger('renditionenabled');
+      } else {
+        loader.trigger('renditiondisabled');
+      }
+    }
+    return enable;
+  };
+};
+
+/**
+ * The representation object encapsulates the publicly visible information
+ * in a media playlist along with a setter/getter-type function (enabled)
+ * for changing the enabled-state of a particular playlist entry
+ *
+ * @class Representation
+ */
+
+var Representation = function Representation(hlsHandler, playlist, id) {
+  classCallCheck$1(this, Representation);
+
+  // Get a reference to a bound version of fastQualityChange_
+  var fastChangeFunction = hlsHandler.masterPlaylistController_.fastQualityChange_.bind(hlsHandler.masterPlaylistController_);
+
+  // some playlist attributes are optional
+  if (playlist.attributes.RESOLUTION) {
+    var resolution = playlist.attributes.RESOLUTION;
+
+    this.width = resolution.width;
+    this.height = resolution.height;
+  }
+
+  this.bandwidth = playlist.attributes.BANDWIDTH;
+
+  // The id is simply the ordinality of the media playlist
+  // within the master playlist
+  this.id = id;
+
+  // Partially-apply the enableFunction to create a playlist-
+  // specific variant
+  this.enabled = enableFunction(hlsHandler.playlists, playlist.uri, fastChangeFunction);
+};
+
+/**
+ * A mixin function that adds the `representations` api to an instance
+ * of the HlsHandler class
+ * @param {HlsHandler} hlsHandler - An instance of HlsHandler to add the
+ * representation API into
+ */
+
+var renditionSelectionMixin = function renditionSelectionMixin(hlsHandler) {
+  var playlists = hlsHandler.playlists;
+
+  // Add a single API-specific function to the HlsHandler instance
+  hlsHandler.representations = function () {
+    return playlists.master.playlists.filter(function (media) {
+      return !isIncompatible(media);
+    }).map(function (e, i) {
+      return new Representation(hlsHandler, e, e.uri);
+    });
+  };
+};
+
+/**
+ * @file playback-watcher.js
+ *
+ * Playback starts, and now my watch begins. It shall not end until my death. I shall
+ * take no wait, hold no uncleared timeouts, father no bad seeks. I shall wear no crowns
+ * and win no glory. I shall live and die at my post. I am the corrector of the underflow.
+ * I am the watcher of gaps. I am the shield that guards the realms of seekable. I pledge
+ * my life and honor to the Playback Watch, for this Player and all the Players to come.
+ */
+
+// Set of events that reset the playback-watcher time check logic and clear the timeout
+var timerCancelEvents = ['seeking', 'seeked', 'pause', 'playing', 'error'];
+
+/**
+ * @class PlaybackWatcher
+ */
+
+var PlaybackWatcher = function () {
+  /**
+   * Represents an PlaybackWatcher object.
+   * @constructor
+   * @param {object} options an object that includes the tech and settings
+   */
+  function PlaybackWatcher(options) {
+    var _this = this;
+
+    classCallCheck$1(this, PlaybackWatcher);
+
+    this.tech_ = options.tech;
+    this.seekable = options.seekable;
+    this.seekTo = options.seekTo;
+
+    this.consecutiveUpdates = 0;
+    this.lastRecordedTime = null;
+    this.timer_ = null;
+    this.checkCurrentTimeTimeout_ = null;
+    this.logger_ = logger('PlaybackWatcher');
+
+    this.logger_('initialize');
+
+    var canPlayHandler = function canPlayHandler() {
+      return _this.monitorCurrentTime_();
+    };
+    var waitingHandler = function waitingHandler() {
+      return _this.techWaiting_();
+    };
+    var cancelTimerHandler = function cancelTimerHandler() {
+      return _this.cancelTimer_();
+    };
+    var fixesBadSeeksHandler = function fixesBadSeeksHandler() {
+      return _this.fixesBadSeeks_();
+    };
+
+    this.tech_.on('seekablechanged', fixesBadSeeksHandler);
+    this.tech_.on('waiting', waitingHandler);
+    this.tech_.on(timerCancelEvents, cancelTimerHandler);
+    this.tech_.on('canplay', canPlayHandler);
+
+    // Define the dispose function to clean up our events
+    this.dispose = function () {
+      _this.logger_('dispose');
+      _this.tech_.off('seekablechanged', fixesBadSeeksHandler);
+      _this.tech_.off('waiting', waitingHandler);
+      _this.tech_.off(timerCancelEvents, cancelTimerHandler);
+      _this.tech_.off('canplay', canPlayHandler);
+      if (_this.checkCurrentTimeTimeout_) {
+        window$1.clearTimeout(_this.checkCurrentTimeTimeout_);
+      }
+      _this.cancelTimer_();
+    };
+  }
+
+  /**
+   * Periodically check current time to see if playback stopped
+   *
+   * @private
+   */
+
+  createClass$1(PlaybackWatcher, [{
+    key: 'monitorCurrentTime_',
+    value: function monitorCurrentTime_() {
+      this.checkCurrentTime_();
+
+      if (this.checkCurrentTimeTimeout_) {
+        window$1.clearTimeout(this.checkCurrentTimeTimeout_);
+      }
+
+      // 42 = 24 fps // 250 is what Webkit uses // FF uses 15
+      this.checkCurrentTimeTimeout_ = window$1.setTimeout(this.monitorCurrentTime_.bind(this), 250);
+    }
+
+    /**
+     * The purpose of this function is to emulate the "waiting" event on
+     * browsers that do not emit it when they are waiting for more
+     * data to continue playback
+     *
+     * @private
+     */
+
+  }, {
+    key: 'checkCurrentTime_',
+    value: function checkCurrentTime_() {
+      if (this.tech_.seeking() && this.fixesBadSeeks_()) {
+        this.consecutiveUpdates = 0;
+        this.lastRecordedTime = this.tech_.currentTime();
+        return;
+      }
+
+      if (this.tech_.paused() || this.tech_.seeking()) {
+        return;
+      }
+
+      var currentTime = this.tech_.currentTime();
+      var buffered = this.tech_.buffered();
+
+      if (this.lastRecordedTime === currentTime && (!buffered.length || currentTime + SAFE_TIME_DELTA >= buffered.end(buffered.length - 1))) {
+        // If current time is at the end of the final buffered region, then any playback
+        // stall is most likely caused by buffering in a low bandwidth environment. The tech
+        // should fire a `waiting` event in this scenario, but due to browser and tech
+        // inconsistencies. Calling `techWaiting_` here allows us to simulate
+        // responding to a native `waiting` event when the tech fails to emit one.
+        return this.techWaiting_();
+      }
+
+      if (this.consecutiveUpdates >= 5 && currentTime === this.lastRecordedTime) {
+        this.consecutiveUpdates++;
+        this.waiting_();
+      } else if (currentTime === this.lastRecordedTime) {
+        this.consecutiveUpdates++;
+      } else {
+        this.consecutiveUpdates = 0;
+        this.lastRecordedTime = currentTime;
+      }
+    }
+
+    /**
+     * Cancels any pending timers and resets the 'timeupdate' mechanism
+     * designed to detect that we are stalled
+     *
+     * @private
+     */
+
+  }, {
+    key: 'cancelTimer_',
+    value: function cancelTimer_() {
+      this.consecutiveUpdates = 0;
+
+      if (this.timer_) {
+        this.logger_('cancelTimer_');
+        clearTimeout(this.timer_);
+      }
+
+      this.timer_ = null;
+    }
+
+    /**
+     * Fixes situations where there's a bad seek
+     *
+     * @return {Boolean} whether an action was taken to fix the seek
+     * @private
+     */
+
+  }, {
+    key: 'fixesBadSeeks_',
+    value: function fixesBadSeeks_() {
+      var seeking = this.tech_.seeking();
+      var seekable = this.seekable();
+      var currentTime = this.tech_.currentTime();
+      var seekTo = void 0;
+
+      if (seeking && this.afterSeekableWindow_(seekable, currentTime)) {
+        var seekableEnd = seekable.end(seekable.length - 1);
+
+        // sync to live point (if VOD, our seekable was updated and we're simply adjusting)
+        seekTo = seekableEnd;
+      }
+
+      if (seeking && this.beforeSeekableWindow_(seekable, currentTime)) {
+        var seekableStart = seekable.start(0);
+
+        // sync to the beginning of the live window
+        // provide a buffer of .1 seconds to handle rounding/imprecise numbers
+        seekTo = seekableStart + SAFE_TIME_DELTA;
+      }
+
+      if (typeof seekTo !== 'undefined') {
+        this.logger_('Trying to seek outside of seekable at time ' + currentTime + ' with ' + ('seekable range ' + printableRange(seekable) + '. Seeking to ') + (seekTo + '.'));
+
+        this.seekTo(seekTo);
+        return true;
+      }
+
+      return false;
+    }
+
+    /**
+     * Handler for situations when we determine the player is waiting.
+     *
+     * @private
+     */
+
+  }, {
+    key: 'waiting_',
+    value: function waiting_() {
+      if (this.techWaiting_()) {
+        return;
+      }
+
+      // All tech waiting checks failed. Use last resort correction
+      var currentTime = this.tech_.currentTime();
+      var buffered = this.tech_.buffered();
+      var currentRange = findRange(buffered, currentTime);
+
+      // Sometimes the player can stall for unknown reasons within a contiguous buffered
+      // region with no indication that anything is amiss (seen in Firefox). Seeking to
+      // currentTime is usually enough to kickstart the player. This checks that the player
+      // is currently within a buffered region before attempting a corrective seek.
+      // Chrome does not appear to continue `timeupdate` events after a `waiting` event
+      // until there is ~ 3 seconds of forward buffer available. PlaybackWatcher should also
+      // make sure there is ~3 seconds of forward buffer before taking any corrective action
+      // to avoid triggering an `unknownwaiting` event when the network is slow.
+      if (currentRange.length && currentTime + 3 <= currentRange.end(0)) {
+        this.cancelTimer_();
+        this.seekTo(currentTime);
+
+        this.logger_('Stopped at ' + currentTime + ' while inside a buffered region ' + ('[' + currentRange.start(0) + ' -> ' + currentRange.end(0) + ']. Attempting to resume ') + 'playback by seeking to the current time.');
+
+        // unknown waiting corrections may be useful for monitoring QoS
+        this.tech_.trigger({ type: 'usage', name: 'hls-unknown-waiting' });
+        return;
+      }
+    }
+
+    /**
+     * Handler for situations when the tech fires a `waiting` event
+     *
+     * @return {Boolean}
+     *         True if an action (or none) was needed to correct the waiting. False if no
+     *         checks passed
+     * @private
+     */
+
+  }, {
+    key: 'techWaiting_',
+    value: function techWaiting_() {
+      var seekable = this.seekable();
+      var currentTime = this.tech_.currentTime();
+
+      if (this.tech_.seeking() && this.fixesBadSeeks_()) {
+        // Tech is seeking or bad seek fixed, no action needed
+        return true;
+      }
+
+      if (this.tech_.seeking() || this.timer_ !== null) {
+        // Tech is seeking or already waiting on another action, no action needed
+        return true;
+      }
+
+      if (this.beforeSeekableWindow_(seekable, currentTime)) {
+        var livePoint = seekable.end(seekable.length - 1);
+
+        this.logger_('Fell out of live window at time ' + currentTime + '. Seeking to ' + ('live point (seekable end) ' + livePoint));
+        this.cancelTimer_();
+        this.seekTo(livePoint);
+
+        // live window resyncs may be useful for monitoring QoS
+        this.tech_.trigger({ type: 'usage', name: 'hls-live-resync' });
+        return true;
+      }
+
+      var buffered = this.tech_.buffered();
+      var nextRange = findNextRange(buffered, currentTime);
+
+      if (this.videoUnderflow_(nextRange, buffered, currentTime)) {
+        // Even though the video underflowed and was stuck in a gap, the audio overplayed
+        // the gap, leading currentTime into a buffered range. Seeking to currentTime
+        // allows the video to catch up to the audio position without losing any audio
+        // (only suffering ~3 seconds of frozen video and a pause in audio playback).
+        this.cancelTimer_();
+        this.seekTo(currentTime);
+
+        // video underflow may be useful for monitoring QoS
+        this.tech_.trigger({ type: 'usage', name: 'hls-video-underflow' });
+        return true;
+      }
+
+      // check for gap
+      if (nextRange.length > 0) {
+        var difference = nextRange.start(0) - currentTime;
+
+        this.logger_('Stopped at ' + currentTime + ', setting timer for ' + difference + ', seeking ' + ('to ' + nextRange.start(0)));
+
+        this.timer_ = setTimeout(this.skipTheGap_.bind(this), difference * 1000, currentTime);
+        return true;
+      }
+
+      // All checks failed. Returning false to indicate failure to correct waiting
+      return false;
+    }
+  }, {
+    key: 'afterSeekableWindow_',
+    value: function afterSeekableWindow_(seekable, currentTime) {
+      if (!seekable.length) {
+        // we can't make a solid case if there's no seekable, default to false
+        return false;
+      }
+
+      if (currentTime > seekable.end(seekable.length - 1) + SAFE_TIME_DELTA) {
+        return true;
+      }
+
+      return false;
+    }
+  }, {
+    key: 'beforeSeekableWindow_',
+    value: function beforeSeekableWindow_(seekable, currentTime) {
+      if (seekable.length &&
+      // can't fall before 0 and 0 seekable start identifies VOD stream
+      seekable.start(0) > 0 && currentTime < seekable.start(0) - SAFE_TIME_DELTA) {
+        return true;
+      }
+
+      return false;
+    }
+  }, {
+    key: 'videoUnderflow_',
+    value: function videoUnderflow_(nextRange, buffered, currentTime) {
+      if (nextRange.length === 0) {
+        // Even if there is no available next range, there is still a possibility we are
+        // stuck in a gap due to video underflow.
+        var gap = this.gapFromVideoUnderflow_(buffered, currentTime);
+
+        if (gap) {
+          this.logger_('Encountered a gap in video from ' + gap.start + ' to ' + gap.end + '. ' + ('Seeking to current time ' + currentTime));
+
+          return true;
+        }
+      }
+
+      return false;
+    }
+
+    /**
+     * Timer callback. If playback still has not proceeded, then we seek
+     * to the start of the next buffered region.
+     *
+     * @private
+     */
+
+  }, {
+    key: 'skipTheGap_',
+    value: function skipTheGap_(scheduledCurrentTime) {
+      var buffered = this.tech_.buffered();
+      var currentTime = this.tech_.currentTime();
+      var nextRange = findNextRange(buffered, currentTime);
+
+      this.cancelTimer_();
+
+      if (nextRange.length === 0 || currentTime !== scheduledCurrentTime) {
+        return;
+      }
+
+      this.logger_('skipTheGap_:', 'currentTime:', currentTime, 'scheduled currentTime:', scheduledCurrentTime, 'nextRange start:', nextRange.start(0));
+
+      // only seek if we still have not played
+      this.seekTo(nextRange.start(0) + TIME_FUDGE_FACTOR);
+
+      this.tech_.trigger({ type: 'usage', name: 'hls-gap-skip' });
+    }
+  }, {
+    key: 'gapFromVideoUnderflow_',
+    value: function gapFromVideoUnderflow_(buffered, currentTime) {
+      // At least in Chrome, if there is a gap in the video buffer, the audio will continue
+      // playing for ~3 seconds after the video gap starts. This is done to account for
+      // video buffer underflow/underrun (note that this is not done when there is audio
+      // buffer underflow/underrun -- in that case the video will stop as soon as it
+      // encounters the gap, as audio stalls are more noticeable/jarring to a user than
+      // video stalls). The player's time will reflect the playthrough of audio, so the
+      // time will appear as if we are in a buffered region, even if we are stuck in a
+      // "gap."
+      //
+      // Example:
+      // video buffer:   0 => 10.1, 10.2 => 20
+      // audio buffer:   0 => 20
+      // overall buffer: 0 => 10.1, 10.2 => 20
+      // current time: 13
+      //
+      // Chrome's video froze at 10 seconds, where the video buffer encountered the gap,
+      // however, the audio continued playing until it reached ~3 seconds past the gap
+      // (13 seconds), at which point it stops as well. Since current time is past the
+      // gap, findNextRange will return no ranges.
+      //
+      // To check for this issue, we see if there is a gap that starts somewhere within
+      // a 3 second range (3 seconds +/- 1 second) back from our current time.
+      var gaps = findGaps(buffered);
+
+      for (var i = 0; i < gaps.length; i++) {
+        var start = gaps.start(i);
+        var end = gaps.end(i);
+
+        // gap is starts no more than 4 seconds back
+        if (currentTime - start < 4 && currentTime - start > 2) {
+          return {
+            start: start,
+            end: end
+          };
+        }
+      }
+
+      return null;
+    }
+  }]);
+  return PlaybackWatcher;
+}();
+
+var defaultOptions = {
+  errorInterval: 30,
+  getSource: function getSource(next) {
+    var tech = this.tech({ IWillNotUseThisInPlugins: true });
+    var sourceObj = tech.currentSource_;
+
+    return next(sourceObj);
+  }
+};
+
+/**
+ * Main entry point for the plugin
+ *
+ * @param {Player} player a reference to a videojs Player instance
+ * @param {Object} [options] an object with plugin options
+ * @private
+ */
+var initPlugin = function initPlugin(player, options) {
+  var lastCalled = 0;
+  var seekTo = 0;
+  var localOptions = videojs$1.mergeOptions(defaultOptions, options);
+
+  player.ready(function () {
+    player.trigger({ type: 'usage', name: 'hls-error-reload-initialized' });
+  });
+
+  /**
+   * Player modifications to perform that must wait until `loadedmetadata`
+   * has been triggered
+   *
+   * @private
+   */
+  var loadedMetadataHandler = function loadedMetadataHandler() {
+    if (seekTo) {
+      player.currentTime(seekTo);
+    }
+  };
+
+  /**
+   * Set the source on the player element, play, and seek if necessary
+   *
+   * @param {Object} sourceObj An object specifying the source url and mime-type to play
+   * @private
+   */
+  var setSource = function setSource(sourceObj) {
+    if (sourceObj === null || sourceObj === undefined) {
+      return;
+    }
+    seekTo = player.duration() !== Infinity && player.currentTime() || 0;
+
+    player.one('loadedmetadata', loadedMetadataHandler);
+
+    player.src(sourceObj);
+    player.trigger({ type: 'usage', name: 'hls-error-reload' });
+    player.play();
+  };
+
+  /**
+   * Attempt to get a source from either the built-in getSource function
+   * or a custom function provided via the options
+   *
+   * @private
+   */
+  var errorHandler = function errorHandler() {
+    // Do not attempt to reload the source if a source-reload occurred before
+    // 'errorInterval' time has elapsed since the last source-reload
+    if (Date.now() - lastCalled < localOptions.errorInterval * 1000) {
+      player.trigger({ type: 'usage', name: 'hls-error-reload-canceled' });
+      return;
+    }
+
+    if (!localOptions.getSource || typeof localOptions.getSource !== 'function') {
+      videojs$1.log.error('ERROR: reloadSourceOnError - The option getSource must be a function!');
+      return;
+    }
+    lastCalled = Date.now();
+
+    return localOptions.getSource.call(player, setSource);
+  };
+
+  /**
+   * Unbind any event handlers that were bound by the plugin
+   *
+   * @private
+   */
+  var cleanupEvents = function cleanupEvents() {
+    player.off('loadedmetadata', loadedMetadataHandler);
+    player.off('error', errorHandler);
+    player.off('dispose', cleanupEvents);
+  };
+
+  /**
+   * Cleanup before re-initializing the plugin
+   *
+   * @param {Object} [newOptions] an object with plugin options
+   * @private
+   */
+  var reinitPlugin = function reinitPlugin(newOptions) {
+    cleanupEvents();
+    initPlugin(player, newOptions);
+  };
+
+  player.on('error', errorHandler);
+  player.on('dispose', cleanupEvents);
+
+  // Overwrite the plugin function so that we can correctly cleanup before
+  // initializing the plugin
+  player.reloadSourceOnError = reinitPlugin;
+};
+
+/**
+ * Reload the source when an error is detected as long as there
+ * wasn't an error previously within the last 30 seconds
+ *
+ * @param {Object} [options] an object with plugin options
+ */
+var reloadSourceOnError = function reloadSourceOnError(options) {
+  initPlugin(this, options);
+};
+
+var version$1 = "1.2.6";
+
+// since VHS handles HLS and DASH (and in the future, more types), use * to capture all
+videojs$1.use('*', function (player) {
+  return {
+    setSource: function setSource(srcObj, next) {
+      // pass null as the first argument to indicate that the source is not rejected
+      next(null, srcObj);
+    },
+
+    // VHS needs to know when seeks happen. For external seeks (generated at the player
+    // level), this middleware will capture the action. For internal seeks (generated at
+    // the tech level), we use a wrapped function so that we can handle it on our own
+    // (specified elsewhere).
+    setCurrentTime: function setCurrentTime(time) {
+      if (player.vhs && player.currentSource().src === player.vhs.source_.src) {
+        player.vhs.setCurrentTime(time);
+      }
+
+      return time;
+    },
+
+    // Sync VHS after play requests.
+    // This specifically handles replay where the order of actions is
+    // play, video element will seek to 0 (skipping the setCurrentTime middleware)
+    // then triggers a play event.
+    play: function play() {
+      if (player.vhs && player.currentSource().src === player.vhs.source_.src) {
+        player.vhs.setCurrentTime(player.currentTime());
+      }
+    }
+  };
+});
+
+/**
+ * @file videojs-http-streaming.js
+ *
+ * The main file for the HLS project.
+ * License: https://github.com/videojs/videojs-http-streaming/blob/master/LICENSE
+ */
+
+var Hls$1 = {
+  PlaylistLoader: PlaylistLoader,
+  Playlist: Playlist,
+  Decrypter: aesDecrypter.Decrypter,
+  AsyncStream: aesDecrypter.AsyncStream,
+  decrypt: aesDecrypter.decrypt,
+  utils: utils,
+
+  STANDARD_PLAYLIST_SELECTOR: lastBandwidthSelector,
+  INITIAL_PLAYLIST_SELECTOR: lowestBitrateCompatibleVariantSelector,
+  comparePlaylistBandwidth: comparePlaylistBandwidth,
+  comparePlaylistResolution: comparePlaylistResolution,
+
+  xhr: xhrFactory()
+};
+
+// 0.5 MB/s
+var INITIAL_BANDWIDTH = 4194304;
+
+// Define getter/setters for config properites
+['GOAL_BUFFER_LENGTH', 'MAX_GOAL_BUFFER_LENGTH', 'GOAL_BUFFER_LENGTH_RATE', 'BUFFER_LOW_WATER_LINE', 'MAX_BUFFER_LOW_WATER_LINE', 'BUFFER_LOW_WATER_LINE_RATE', 'BANDWIDTH_VARIANCE'].forEach(function (prop) {
+  Object.defineProperty(Hls$1, prop, {
+    get: function get$$1() {
+      videojs$1.log.warn('using Hls.' + prop + ' is UNSAFE be sure you know what you are doing');
+      return Config[prop];
+    },
+    set: function set$$1(value) {
+      videojs$1.log.warn('using Hls.' + prop + ' is UNSAFE be sure you know what you are doing');
+
+      if (typeof value !== 'number' || value < 0) {
+        videojs$1.log.warn('value of Hls.' + prop + ' must be greater than or equal to 0');
+        return;
+      }
+
+      Config[prop] = value;
+    }
+  });
+});
+
+var simpleTypeFromSourceType = function simpleTypeFromSourceType(type) {
+  var mpegurlRE = /^(audio|video|application)\/(x-|vnd\.apple\.)?mpegurl/i;
+
+  if (mpegurlRE.test(type)) {
+    return 'hls';
+  }
+
+  var dashRE = /^application\/dash\+xml/i;
+
+  if (dashRE.test(type)) {
+    return 'dash';
+  }
+
+  return null;
+};
+
+/**
+ * Updates the selectedIndex of the QualityLevelList when a mediachange happens in hls.
+ *
+ * @param {QualityLevelList} qualityLevels The QualityLevelList to update.
+ * @param {PlaylistLoader} playlistLoader PlaylistLoader containing the new media info.
+ * @function handleHlsMediaChange
+ */
+var handleHlsMediaChange = function handleHlsMediaChange(qualityLevels, playlistLoader) {
+  var newPlaylist = playlistLoader.media();
+  var selectedIndex = -1;
+
+  for (var i = 0; i < qualityLevels.length; i++) {
+    if (qualityLevels[i].id === newPlaylist.uri) {
+      selectedIndex = i;
+      break;
+    }
+  }
+
+  qualityLevels.selectedIndex_ = selectedIndex;
+  qualityLevels.trigger({
+    selectedIndex: selectedIndex,
+    type: 'change'
+  });
+};
+
+/**
+ * Adds quality levels to list once playlist metadata is available
+ *
+ * @param {QualityLevelList} qualityLevels The QualityLevelList to attach events to.
+ * @param {Object} hls Hls object to listen to for media events.
+ * @function handleHlsLoadedMetadata
+ */
+var handleHlsLoadedMetadata = function handleHlsLoadedMetadata(qualityLevels, hls) {
+  hls.representations().forEach(function (rep) {
+    qualityLevels.addQualityLevel(rep);
+  });
+  handleHlsMediaChange(qualityLevels, hls.playlists);
+};
+
+// HLS is a source handler, not a tech. Make sure attempts to use it
+// as one do not cause exceptions.
+Hls$1.canPlaySource = function () {
+  return videojs$1.log.warn('HLS is no longer a tech. Please remove it from ' + 'your player\'s techOrder.');
+};
+
+var emeKeySystems = function emeKeySystems(keySystemOptions, videoPlaylist, audioPlaylist) {
+  if (!keySystemOptions) {
+    return keySystemOptions;
+  }
+
+  // upsert the content types based on the selected playlist
+  var keySystemContentTypes = {};
+
+  for (var keySystem in keySystemOptions) {
+    keySystemContentTypes[keySystem] = {
+      audioContentType: 'audio/mp4; codecs="' + audioPlaylist.attributes.CODECS + '"',
+      videoContentType: 'video/mp4; codecs="' + videoPlaylist.attributes.CODECS + '"'
+    };
+
+    if (videoPlaylist.contentProtection && videoPlaylist.contentProtection[keySystem] && videoPlaylist.contentProtection[keySystem].pssh) {
+      keySystemContentTypes[keySystem].pssh = videoPlaylist.contentProtection[keySystem].pssh;
+    }
+
+    // videojs-contrib-eme accepts the option of specifying: 'com.some.cdm': 'url'
+    // so we need to prevent overwriting the URL entirely
+    if (typeof keySystemOptions[keySystem] === 'string') {
+      keySystemContentTypes[keySystem].url = keySystemOptions[keySystem];
+    }
+  }
+
+  return videojs$1.mergeOptions(keySystemOptions, keySystemContentTypes);
+};
+
+var setupEmeOptions = function setupEmeOptions(hlsHandler) {
+  if (hlsHandler.options_.sourceType !== 'dash') {
+    return;
+  }
+  var player = videojs$1.players[hlsHandler.tech_.options_.playerId];
+
+  if (player.eme) {
+    var sourceOptions = emeKeySystems(hlsHandler.source_.keySystems, hlsHandler.playlists.media(), hlsHandler.masterPlaylistController_.mediaTypes_.AUDIO.activePlaylistLoader.media());
+
+    if (sourceOptions) {
+      player.currentSource().keySystems = sourceOptions;
+    }
+  }
+};
+
+/**
+ * Whether the browser has built-in HLS support.
+ */
+Hls$1.supportsNativeHls = function () {
+  var video = document.createElement('video');
+
+  // native HLS is definitely not supported if HTML5 video isn't
+  if (!videojs$1.getTech('Html5').isSupported()) {
+    return false;
+  }
+
+  // HLS manifests can go by many mime-types
+  var canPlay = [
+  // Apple santioned
+  'application/vnd.apple.mpegurl',
+  // Apple sanctioned for backwards compatibility
+  'audio/mpegurl',
+  // Very common
+  'audio/x-mpegurl',
+  // Very common
+  'application/x-mpegurl',
+  // Included for completeness
+  'video/x-mpegurl', 'video/mpegurl', 'application/mpegurl'];
+
+  return canPlay.some(function (canItPlay) {
+    return (/maybe|probably/i.test(video.canPlayType(canItPlay))
+    );
+  });
+}();
+
+Hls$1.supportsNativeDash = function () {
+  if (!videojs$1.getTech('Html5').isSupported()) {
+    return false;
+  }
+
+  return (/maybe|probably/i.test(document.createElement('video').canPlayType('application/dash+xml'))
+  );
+}();
+
+Hls$1.supportsTypeNatively = function (type) {
+  if (type === 'hls') {
+    return Hls$1.supportsNativeHls;
+  }
+
+  if (type === 'dash') {
+    return Hls$1.supportsNativeDash;
+  }
+
+  return false;
+};
+
+/**
+ * HLS is a source handler, not a tech. Make sure attempts to use it
+ * as one do not cause exceptions.
+ */
+Hls$1.isSupported = function () {
+  return videojs$1.log.warn('HLS is no longer a tech. Please remove it from ' + 'your player\'s techOrder.');
+};
+
+var Component$1 = videojs$1.getComponent('Component');
+
+/**
+ * The Hls Handler object, where we orchestrate all of the parts
+ * of HLS to interact with video.js
+ *
+ * @class HlsHandler
+ * @extends videojs.Component
+ * @param {Object} source the soruce object
+ * @param {Tech} tech the parent tech object
+ * @param {Object} options optional and required options
+ */
+
+var HlsHandler = function (_Component) {
+  inherits$1(HlsHandler, _Component);
+
+  function HlsHandler(source, tech, options) {
+    classCallCheck$1(this, HlsHandler);
+
+    // tech.player() is deprecated but setup a reference to HLS for
+    // backwards-compatibility
+    var _this = possibleConstructorReturn$1(this, (HlsHandler.__proto__ || Object.getPrototypeOf(HlsHandler)).call(this, tech, options.hls));
+
+    if (tech.options_ && tech.options_.playerId) {
+      var _player = videojs$1(tech.options_.playerId);
+
+      if (!_player.hasOwnProperty('hls')) {
+        Object.defineProperty(_player, 'hls', {
+          get: function get$$1() {
+            videojs$1.log.warn('player.hls is deprecated. Use player.tech().hls instead.');
+            tech.trigger({ type: 'usage', name: 'hls-player-access' });
+            return _this;
+          }
+        });
+      }
+
+      // Set up a reference to the HlsHandler from player.vhs. This allows users to start
+      // migrating from player.tech_.hls... to player.vhs... for API access. Although this
+      // isn't the most appropriate form of reference for video.js (since all APIs should
+      // be provided through core video.js), it is a common pattern for plugins, and vhs
+      // will act accordingly.
+      _player.vhs = _this;
+      // deprecated, for backwards compatibility
+      _player.dash = _this;
+    }
+
+    _this.tech_ = tech;
+    _this.source_ = source;
+    _this.stats = {};
+    _this.setOptions_();
+
+    if (_this.options_.overrideNative && tech.overrideNativeAudioTracks && tech.overrideNativeVideoTracks) {
+      tech.overrideNativeAudioTracks(true);
+      tech.overrideNativeVideoTracks(true);
+    } else if (_this.options_.overrideNative && (tech.featuresNativeVideoTracks || tech.featuresNativeAudioTracks)) {
+      // overriding native HLS only works if audio tracks have been emulated
+      // error early if we're misconfigured
+      throw new Error('Overriding native HLS requires emulated tracks. ' + 'See https://git.io/vMpjB');
+    }
+
+    // listen for fullscreenchange events for this player so that we
+    // can adjust our quality selection quickly
+    _this.on(document, ['fullscreenchange', 'webkitfullscreenchange', 'mozfullscreenchange', 'MSFullscreenChange'], function (event) {
+      var fullscreenElement = document.fullscreenElement || document.webkitFullscreenElement || document.mozFullScreenElement || document.msFullscreenElement;
+
+      if (fullscreenElement && fullscreenElement.contains(_this.tech_.el())) {
+        _this.masterPlaylistController_.smoothQualityChange_();
+      }
+    });
+    _this.on(_this.tech_, 'error', function () {
+      if (this.masterPlaylistController_) {
+        this.masterPlaylistController_.pauseLoading();
+      }
+    });
+
+    _this.on(_this.tech_, 'play', _this.play);
+    return _this;
+  }
+
+  createClass$1(HlsHandler, [{
+    key: 'setOptions_',
+    value: function setOptions_() {
+      var _this2 = this;
+
+      // defaults
+      this.options_.withCredentials = this.options_.withCredentials || false;
+
+      if (typeof this.options_.blacklistDuration !== 'number') {
+        this.options_.blacklistDuration = 5 * 60;
+      }
+
+      // start playlist selection at a reasonable bandwidth for
+      // broadband internet (0.5 MB/s) or mobile (0.0625 MB/s)
+      if (typeof this.options_.bandwidth !== 'number') {
+        this.options_.bandwidth = INITIAL_BANDWIDTH;
+      }
+
+      // If the bandwidth number is unchanged from the initial setting
+      // then this takes precedence over the enableLowInitialPlaylist option
+      this.options_.enableLowInitialPlaylist = this.options_.enableLowInitialPlaylist && this.options_.bandwidth === INITIAL_BANDWIDTH;
+
+      // grab options passed to player.src
+      ['withCredentials', 'bandwidth'].forEach(function (option) {
+        if (typeof _this2.source_[option] !== 'undefined') {
+          _this2.options_[option] = _this2.source_[option];
+        }
+      });
+
+      this.bandwidth = this.options_.bandwidth;
+    }
+    /**
+     * called when player.src gets called, handle a new source
+     *
+     * @param {Object} src the source object to handle
+     */
+
+  }, {
+    key: 'src',
+    value: function src(_src, type) {
+      var _this3 = this;
+
+      // do nothing if the src is falsey
+      if (!_src) {
+        return;
+      }
+      this.setOptions_();
+      // add master playlist controller options
+      this.options_.url = this.source_.src;
+      this.options_.tech = this.tech_;
+      this.options_.externHls = Hls$1;
+      this.options_.sourceType = simpleTypeFromSourceType(type);
+      // Whenever we seek internally, we should update both the tech and call our own
+      // setCurrentTime function. This is needed because "seeking" events aren't always
+      // reliable. External seeks (via the player object) are handled via middleware.
+      this.options_.seekTo = function (time) {
+        _this3.tech_.setCurrentTime(time);
+        _this3.setCurrentTime(time);
+      };
+
+      this.masterPlaylistController_ = new MasterPlaylistController(this.options_);
+      this.playbackWatcher_ = new PlaybackWatcher(videojs$1.mergeOptions(this.options_, {
+        seekable: function seekable$$1() {
+          return _this3.seekable();
+        }
+      }));
+
+      this.masterPlaylistController_.on('error', function () {
+        var player = videojs$1.players[_this3.tech_.options_.playerId];
+
+        player.error(_this3.masterPlaylistController_.error);
+      });
+
+      // `this` in selectPlaylist should be the HlsHandler for backwards
+      // compatibility with < v2
+      this.masterPlaylistController_.selectPlaylist = this.selectPlaylist ? this.selectPlaylist.bind(this) : Hls$1.STANDARD_PLAYLIST_SELECTOR.bind(this);
+
+      this.masterPlaylistController_.selectInitialPlaylist = Hls$1.INITIAL_PLAYLIST_SELECTOR.bind(this);
+
+      // re-expose some internal objects for backwards compatibility with < v2
+      this.playlists = this.masterPlaylistController_.masterPlaylistLoader_;
+      this.mediaSource = this.masterPlaylistController_.mediaSource;
+
+      // Proxy assignment of some properties to the master playlist
+      // controller. Using a custom property for backwards compatibility
+      // with < v2
+      Object.defineProperties(this, {
+        selectPlaylist: {
+          get: function get$$1() {
+            return this.masterPlaylistController_.selectPlaylist;
+          },
+          set: function set$$1(selectPlaylist) {
+            this.masterPlaylistController_.selectPlaylist = selectPlaylist.bind(this);
+          }
+        },
+        throughput: {
+          get: function get$$1() {
+            return this.masterPlaylistController_.mainSegmentLoader_.throughput.rate;
+          },
+          set: function set$$1(throughput) {
+            this.masterPlaylistController_.mainSegmentLoader_.throughput.rate = throughput;
+            // By setting `count` to 1 the throughput value becomes the starting value
+            // for the cumulative average
+            this.masterPlaylistController_.mainSegmentLoader_.throughput.count = 1;
+          }
+        },
+        bandwidth: {
+          get: function get$$1() {
+            return this.masterPlaylistController_.mainSegmentLoader_.bandwidth;
+          },
+          set: function set$$1(bandwidth) {
+            this.masterPlaylistController_.mainSegmentLoader_.bandwidth = bandwidth;
+            // setting the bandwidth manually resets the throughput counter
+            // `count` is set to zero that current value of `rate` isn't included
+            // in the cumulative average
+            this.masterPlaylistController_.mainSegmentLoader_.throughput = {
+              rate: 0,
+              count: 0
+            };
+          }
+        },
+        /**
+         * `systemBandwidth` is a combination of two serial processes bit-rates. The first
+         * is the network bitrate provided by `bandwidth` and the second is the bitrate of
+         * the entire process after that - decryption, transmuxing, and appending - provided
+         * by `throughput`.
+         *
+         * Since the two process are serial, the overall system bandwidth is given by:
+         *   sysBandwidth = 1 / (1 / bandwidth + 1 / throughput)
+         */
+        systemBandwidth: {
+          get: function get$$1() {
+            var invBandwidth = 1 / (this.bandwidth || 1);
+            var invThroughput = void 0;
+
+            if (this.throughput > 0) {
+              invThroughput = 1 / this.throughput;
+            } else {
+              invThroughput = 0;
+            }
+
+            var systemBitrate = Math.floor(1 / (invBandwidth + invThroughput));
+
+            return systemBitrate;
+          },
+          set: function set$$1() {
+            videojs$1.log.error('The "systemBandwidth" property is read-only');
+          }
+        }
+      });
+
+      Object.defineProperties(this.stats, {
+        bandwidth: {
+          get: function get$$1() {
+            return _this3.bandwidth || 0;
+          },
+          enumerable: true
+        },
+        mediaRequests: {
+          get: function get$$1() {
+            return _this3.masterPlaylistController_.mediaRequests_() || 0;
+          },
+          enumerable: true
+        },
+        mediaRequestsAborted: {
+          get: function get$$1() {
+            return _this3.masterPlaylistController_.mediaRequestsAborted_() || 0;
+          },
+          enumerable: true
+        },
+        mediaRequestsTimedout: {
+          get: function get$$1() {
+            return _this3.masterPlaylistController_.mediaRequestsTimedout_() || 0;
+          },
+          enumerable: true
+        },
+        mediaRequestsErrored: {
+          get: function get$$1() {
+            return _this3.masterPlaylistController_.mediaRequestsErrored_() || 0;
+          },
+          enumerable: true
+        },
+        mediaTransferDuration: {
+          get: function get$$1() {
+            return _this3.masterPlaylistController_.mediaTransferDuration_() || 0;
+          },
+          enumerable: true
+        },
+        mediaBytesTransferred: {
+          get: function get$$1() {
+            return _this3.masterPlaylistController_.mediaBytesTransferred_() || 0;
+          },
+          enumerable: true
+        },
+        mediaSecondsLoaded: {
+          get: function get$$1() {
+            return _this3.masterPlaylistController_.mediaSecondsLoaded_() || 0;
+          },
+          enumerable: true
+        },
+        buffered: {
+          get: function get$$1() {
+            return timeRangesToArray(_this3.tech_.buffered());
+          },
+          enumerable: true
+        },
+        currentTime: {
+          get: function get$$1() {
+            return _this3.tech_.currentTime();
+          },
+          enumerable: true
+        },
+        currentSource: {
+          get: function get$$1() {
+            return _this3.tech_.currentSource_;
+          },
+          enumerable: true
+        },
+        currentTech: {
+          get: function get$$1() {
+            return _this3.tech_.name_;
+          },
+          enumerable: true
+        },
+        duration: {
+          get: function get$$1() {
+            return _this3.tech_.duration();
+          },
+          enumerable: true
+        },
+        master: {
+          get: function get$$1() {
+            return _this3.playlists.master;
+          },
+          enumerable: true
+        },
+        playerDimensions: {
+          get: function get$$1() {
+            return _this3.tech_.currentDimensions();
+          },
+          enumerable: true
+        },
+        seekable: {
+          get: function get$$1() {
+            return timeRangesToArray(_this3.tech_.seekable());
+          },
+          enumerable: true
+        },
+        timestamp: {
+          get: function get$$1() {
+            return Date.now();
+          },
+          enumerable: true
+        },
+        videoPlaybackQuality: {
+          get: function get$$1() {
+            return _this3.tech_.getVideoPlaybackQuality();
+          },
+          enumerable: true
+        }
+      });
+
+      this.tech_.one('canplay', this.masterPlaylistController_.setupFirstPlay.bind(this.masterPlaylistController_));
+
+      this.masterPlaylistController_.on('selectedinitialmedia', function () {
+        // Add the manual rendition mix-in to HlsHandler
+        renditionSelectionMixin(_this3);
+        setupEmeOptions(_this3);
+      });
+
+      // the bandwidth of the primary segment loader is our best
+      // estimate of overall bandwidth
+      this.on(this.masterPlaylistController_, 'progress', function () {
+        this.tech_.trigger('progress');
+      });
+
+      this.tech_.ready(function () {
+        return _this3.setupQualityLevels_();
+      });
+
+      // do nothing if the tech has been disposed already
+      // this can occur if someone sets the src in player.ready(), for instance
+      if (!this.tech_.el()) {
+        return;
+      }
+
+      this.tech_.src(videojs$1.URL.createObjectURL(this.masterPlaylistController_.mediaSource));
+    }
+
+    /**
+     * Initializes the quality levels and sets listeners to update them.
+     *
+     * @method setupQualityLevels_
+     * @private
+     */
+
+  }, {
+    key: 'setupQualityLevels_',
+    value: function setupQualityLevels_() {
+      var _this4 = this;
+
+      var player = videojs$1.players[this.tech_.options_.playerId];
+
+      if (player && player.qualityLevels) {
+        this.qualityLevels_ = player.qualityLevels();
+
+        this.masterPlaylistController_.on('selectedinitialmedia', function () {
+          handleHlsLoadedMetadata(_this4.qualityLevels_, _this4);
+        });
+
+        this.playlists.on('mediachange', function () {
+          handleHlsMediaChange(_this4.qualityLevels_, _this4.playlists);
+        });
+      }
+    }
+
+    /**
+     * Begin playing the video.
+     */
+
+  }, {
+    key: 'play',
+    value: function play() {
+      this.masterPlaylistController_.play();
+    }
+
+    /**
+     * a wrapper around the function in MasterPlaylistController
+     */
+
+  }, {
+    key: 'setCurrentTime',
+    value: function setCurrentTime(currentTime) {
+      this.masterPlaylistController_.setCurrentTime(currentTime);
+    }
+
+    /**
+     * a wrapper around the function in MasterPlaylistController
+     */
+
+  }, {
+    key: 'duration',
+    value: function duration$$1() {
+      return this.masterPlaylistController_.duration();
+    }
+
+    /**
+     * a wrapper around the function in MasterPlaylistController
+     */
+
+  }, {
+    key: 'seekable',
+    value: function seekable$$1() {
+      return this.masterPlaylistController_.seekable();
+    }
+
+    /**
+     * Abort all outstanding work and cleanup.
+     */
+
+  }, {
+    key: 'dispose',
+    value: function dispose() {
+      if (this.playbackWatcher_) {
+        this.playbackWatcher_.dispose();
+      }
+      if (this.masterPlaylistController_) {
+        this.masterPlaylistController_.dispose();
+      }
+      if (this.qualityLevels_) {
+        this.qualityLevels_.dispose();
+      }
+      get$2(HlsHandler.prototype.__proto__ || Object.getPrototypeOf(HlsHandler.prototype), 'dispose', this).call(this);
+    }
+  }]);
+  return HlsHandler;
+}(Component$1);
+
+/**
+ * The Source Handler object, which informs video.js what additional
+ * MIME types are supported and sets up playback. It is registered
+ * automatically to the appropriate tech based on the capabilities of
+ * the browser it is running in. It is not necessary to use or modify
+ * this object in normal usage.
+ */
+
+var HlsSourceHandler = {
+  name: 'videojs-http-streaming',
+  VERSION: version$1,
+  canHandleSource: function canHandleSource(srcObj) {
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+    var localOptions = videojs$1.mergeOptions(videojs$1.options, options);
+
+    return HlsSourceHandler.canPlayType(srcObj.type, localOptions);
+  },
+  handleSource: function handleSource(source, tech) {
+    var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+    var localOptions = videojs$1.mergeOptions(videojs$1.options, options);
+
+    tech.hls = new HlsHandler(source, tech, localOptions);
+    tech.hls.xhr = xhrFactory();
+
+    tech.hls.src(source.src, source.type);
+    return tech.hls;
+  },
+  canPlayType: function canPlayType(type) {
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+    var _videojs$mergeOptions = videojs$1.mergeOptions(videojs$1.options, options),
+        overrideNative = _videojs$mergeOptions.hls.overrideNative;
+
+    var supportedType = simpleTypeFromSourceType(type);
+    var canUseMsePlayback = supportedType && (!Hls$1.supportsTypeNatively(supportedType) || overrideNative);
+
+    return canUseMsePlayback ? 'maybe' : '';
+  }
+};
+
+if (typeof videojs$1.MediaSource === 'undefined' || typeof videojs$1.URL === 'undefined') {
+  videojs$1.MediaSource = MediaSource;
+  videojs$1.URL = URL$1;
+}
+
+// register source handlers with the appropriate techs
+if (MediaSource.supportsNativeMediaSources()) {
+  videojs$1.getTech('Html5').registerSourceHandler(HlsSourceHandler, 0);
+}
+
+videojs$1.HlsHandler = HlsHandler;
+videojs$1.HlsSourceHandler = HlsSourceHandler;
+videojs$1.Hls = Hls$1;
+if (!videojs$1.use) {
+  videojs$1.registerComponent('Hls', Hls$1);
+}
+videojs$1.options.hls = videojs$1.options.hls || {};
+
+if (videojs$1.registerPlugin) {
+  videojs$1.registerPlugin('reloadSourceOnError', reloadSourceOnError);
+} else {
+  videojs$1.plugin('reloadSourceOnError', reloadSourceOnError);
+}
+
+module.exports = videojs$1;