text: (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Hls = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
  // Copyright Joyent, Inc. and other Node contributors.
  //
  // Permission is hereby granted, free of charge, to any person obtaining a
  // copy of this software and associated documentation files (the
  // "Software"), to deal in the Software without restriction, including
  // without limitation the rights to use, copy, modify, merge, publish,
  // distribute, sublicense, and/or sell copies of the Software, and to permit
  // persons to whom the Software is furnished to do so, subject to the
  // following conditions:
  //
  // The above copyright notice and this permission notice shall be included
  // in all copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
  // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
  // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  // USE OR OTHER DEALINGS IN THE SOFTWARE.
  
  function EventEmitter() {
    this._events = this._events || {};
    this._maxListeners = this._maxListeners || undefined;
  }
  module.exports = EventEmitter;
  
  // Backwards-compat with node 0.10.x
  EventEmitter.EventEmitter = EventEmitter;
  
  EventEmitter.prototype._events = undefined;
  EventEmitter.prototype._maxListeners = undefined;
  
  // By default EventEmitters will print a warning if more than 10 listeners are
  // added to it. This is a useful default which helps finding memory leaks.
  EventEmitter.defaultMaxListeners = 10;
  
  // Obviously not all Emitters should be limited to 10. This function allows
  // that to be increased. Set to zero for unlimited.
  EventEmitter.prototype.setMaxListeners = function(n) {
    if (!isNumber(n) || n < 0 || isNaN(n))
      throw TypeError('n must be a positive number');
    this._maxListeners = n;
    return this;
  };
  
  EventEmitter.prototype.emit = function(type) {
    var er, handler, len, args, i, listeners;
  
    if (!this._events)
      this._events = {};
  
    // If there is no 'error' event listener then throw.
    if (type === 'error') {
      if (!this._events.error ||
          (isObject(this._events.error) && !this._events.error.length)) {
        er = arguments[1];
        if (er instanceof Error) {
          throw er; // Unhandled 'error' event
        } else {
          // At least give some kind of context to the user
          var err = new Error('Uncaught, unspecified "error" event. (' + er + ')');
          err.context = er;
          throw err;
        }
      }
    }
  
    handler = this._events[type];
  
    if (isUndefined(handler))
      return false;
  
    if (isFunction(handler)) {
      switch (arguments.length) {
        // fast cases
        case 1:
          handler.call(this);
          break;
        case 2:
          handler.call(this, arguments[1]);
          break;
        case 3:
          handler.call(this, arguments[1], arguments[2]);
          break;
        // slower
        default:
          args = Array.prototype.slice.call(arguments, 1);
          handler.apply(this, args);
      }
    } else if (isObject(handler)) {
      args = Array.prototype.slice.call(arguments, 1);
      listeners = handler.slice();
      len = listeners.length;
      for (i = 0; i < len; i++)
        listeners[i].apply(this, args);
    }
  
    return true;
  };
  
  EventEmitter.prototype.addListener = function(type, listener) {
    var m;
  
    if (!isFunction(listener))
      throw TypeError('listener must be a function');
  
    if (!this._events)
      this._events = {};
  
    // To avoid recursion in the case that type === "newListener"! Before
    // adding it to the listeners, first emit "newListener".
    if (this._events.newListener)
      this.emit('newListener', type,
                isFunction(listener.listener) ?
                listener.listener : listener);
  
    if (!this._events[type])
      // Optimize the case of one listener. Don't need the extra array object.
      this._events[type] = listener;
    else if (isObject(this._events[type]))
      // If we've already got an array, just append.
      this._events[type].push(listener);
    else
      // Adding the second element, need to change to array.
      this._events[type] = [this._events[type], listener];
  
    // Check for listener leak
    if (isObject(this._events[type]) && !this._events[type].warned) {
      if (!isUndefined(this._maxListeners)) {
        m = this._maxListeners;
      } else {
        m = EventEmitter.defaultMaxListeners;
      }
  
      if (m && m > 0 && this._events[type].length > m) {
        this._events[type].warned = true;
        console.error('(node) warning: possible EventEmitter memory ' +
                      'leak detected. %d listeners added. ' +
                      'Use emitter.setMaxListeners() to increase limit.',
                      this._events[type].length);
        if (typeof console.trace === 'function') {
          // not supported in IE 10
          console.trace();
        }
      }
    }
  
    return this;
  };
  
  EventEmitter.prototype.on = EventEmitter.prototype.addListener;
  
  EventEmitter.prototype.once = function(type, listener) {
    if (!isFunction(listener))
      throw TypeError('listener must be a function');
  
    var fired = false;
  
    function g() {
      this.removeListener(type, g);
  
      if (!fired) {
        fired = true;
        listener.apply(this, arguments);
      }
    }
  
    g.listener = listener;
    this.on(type, g);
  
    return this;
  };
  
  // emits a 'removeListener' event iff the listener was removed
  EventEmitter.prototype.removeListener = function(type, listener) {
    var list, position, length, i;
  
    if (!isFunction(listener))
      throw TypeError('listener must be a function');
  
    if (!this._events || !this._events[type])
      return this;
  
    list = this._events[type];
    length = list.length;
    position = -1;
  
    if (list === listener ||
        (isFunction(list.listener) && list.listener === listener)) {
      delete this._events[type];
      if (this._events.removeListener)
        this.emit('removeListener', type, listener);
  
    } else if (isObject(list)) {
      for (i = length; i-- > 0;) {
        if (list[i] === listener ||
            (list[i].listener && list[i].listener === listener)) {
          position = i;
          break;
        }
      }
  
      if (position < 0)
        return this;
  
      if (list.length === 1) {
        list.length = 0;
        delete this._events[type];
      } else {
        list.splice(position, 1);
      }
  
      if (this._events.removeListener)
        this.emit('removeListener', type, listener);
    }
  
    return this;
  };
  
  EventEmitter.prototype.removeAllListeners = function(type) {
    var key, listeners;
  
    if (!this._events)
      return this;
  
    // not listening for removeListener, no need to emit
    if (!this._events.removeListener) {
      if (arguments.length === 0)
        this._events = {};
      else if (this._events[type])
        delete this._events[type];
      return this;
    }
  
    // emit removeListener for all listeners on all events
    if (arguments.length === 0) {
      for (key in this._events) {
        if (key === 'removeListener') continue;
        this.removeAllListeners(key);
      }
      this.removeAllListeners('removeListener');
      this._events = {};
      return this;
    }
  
    listeners = this._events[type];
  
    if (isFunction(listeners)) {
      this.removeListener(type, listeners);
    } else if (listeners) {
      // LIFO order
      while (listeners.length)
        this.removeListener(type, listeners[listeners.length - 1]);
    }
    delete this._events[type];
  
    return this;
  };
  
  EventEmitter.prototype.listeners = function(type) {
    var ret;
    if (!this._events || !this._events[type])
      ret = [];
    else if (isFunction(this._events[type]))
      ret = [this._events[type]];
    else
      ret = this._events[type].slice();
    return ret;
  };
  
  EventEmitter.prototype.listenerCount = function(type) {
    if (this._events) {
      var evlistener = this._events[type];
  
      if (isFunction(evlistener))
        return 1;
      else if (evlistener)
        return evlistener.length;
    }
    return 0;
  };
  
  EventEmitter.listenerCount = function(emitter, type) {
    return emitter.listenerCount(type);
  };
  
  function isFunction(arg) {
    return typeof arg === 'function';
  }
  
  function isNumber(arg) {
    return typeof arg === 'number';
  }
  
  function isObject(arg) {
    return typeof arg === 'object' && arg !== null;
  }
  
  function isUndefined(arg) {
    return arg === void 0;
  }
  
  },{}],2:[function(_dereq_,module,exports){
  // see https://tools.ietf.org/html/rfc1808
  
  /* jshint ignore:start */
  (function(root) { 
  /* jshint ignore:end */
  
    var URL_REGEX = /^((?:[^\/;?#]+:)?)(\/\/[^\/\;?#]*)?(.*?)??(;.*?)?(\?.*?)?(#.*?)?$/;
    var FIRST_SEGMENT_REGEX = /^([^\/;?#]*)(.*)$/;
    var SLASH_DOT_REGEX = /(?:\/|^)\.(?=\/)/g;
    var SLASH_DOT_DOT_REGEX = /(?:\/|^)\.\.\/(?!\.\.\/).*?(?=\/)/g;
  
    var URLToolkit = { // jshint ignore:line
      // If opts.alwaysNormalize is true then the path will always be normalized even when it starts with / or //
      // E.g
      // With opts.alwaysNormalize = false (default, spec compliant)
      // http://a.com/b/cd + /e/f/../g => http://a.com/e/f/../g
      // With opts.alwaysNormalize = true (default, not spec compliant)
      // http://a.com/b/cd + /e/f/../g => http://a.com/e/g
      buildAbsoluteURL: function(baseURL, relativeURL, opts) {
        opts = opts || {};
        // remove any remaining space and CRLF
        baseURL = baseURL.trim();
        relativeURL = relativeURL.trim();
        if (!relativeURL) {
          // 2a) If the embedded URL is entirely empty, it inherits the
          // entire base URL (i.e., is set equal to the base URL)
          // and we are done.
          if (!opts.alwaysNormalize) {
            return baseURL;
          }
          var basePartsForNormalise = this.parseURL(baseURL);
          if (!baseParts) {
            throw new Error('Error trying to parse base URL.');
          }
          basePartsForNormalise.path = URLToolkit.normalizePath(basePartsForNormalise.path);
          return URLToolkit.buildURLFromParts(basePartsForNormalise);
        }
        var relativeParts = this.parseURL(relativeURL);
        if (!relativeParts) {
          throw new Error('Error trying to parse relative URL.');
        }
        if (relativeParts.scheme) {
          // 2b) If the embedded URL starts with a scheme name, it is
          // interpreted as an absolute URL and we are done.
          if (!opts.alwaysNormalize) {
            return relativeURL;
          }
          relativeParts.path = URLToolkit.normalizePath(relativeParts.path);
          return URLToolkit.buildURLFromParts(relativeParts);
        }
        var baseParts = this.parseURL(baseURL);
        if (!baseParts) {
          throw new Error('Error trying to parse base URL.');
        }
        if (!baseParts.netLoc && baseParts.path && baseParts.path[0] !== '/') {
          // If netLoc missing and path doesn't start with '/', assume everthing before the first '/' is the netLoc
          // This causes 'example.com/a' to be handled as '//example.com/a' instead of '/example.com/a'
          var pathParts = FIRST_SEGMENT_REGEX.exec(baseParts.path);
          baseParts.netLoc = pathParts[1];
          baseParts.path = pathParts[2];
        }
        if (baseParts.netLoc && !baseParts.path) {
          baseParts.path = '/';
        }
        var builtParts = {
          // 2c) Otherwise, the embedded URL inherits the scheme of
          // the base URL.
          scheme: baseParts.scheme,
          netLoc: relativeParts.netLoc,
          path: null,
          params: relativeParts.params,
          query: relativeParts.query,
          fragment: relativeParts.fragment
        };
        if (!relativeParts.netLoc) {
          // 3) If the embedded URL's <net_loc> is non-empty, we skip to
          // Step 7.  Otherwise, the embedded URL inherits the <net_loc>
          // (if any) of the base URL.
          builtParts.netLoc = baseParts.netLoc;
          // 4) If the embedded URL path is preceded by a slash "/", the
          // path is not relative and we skip to Step 7.
          if (relativeParts.path[0] !== '/') {
            if (!relativeParts.path) {
              // 5) If the embedded URL path is empty (and not preceded by a
              // slash), then the embedded URL inherits the base URL path
              builtParts.path = baseParts.path;
              // 5a) if the embedded URL's <params> is non-empty, we skip to
              // step 7; otherwise, it inherits the <params> of the base
              // URL (if any) and
              if (!relativeParts.params) {
                builtParts.params = baseParts.params;
                // 5b) if the embedded URL's <query> is non-empty, we skip to
                // step 7; otherwise, it inherits the <query> of the base
                // URL (if any) and we skip to step 7.
                if (!relativeParts.query) {
                  builtParts.query = baseParts.query;
                }
              }
            } else {
              // 6) The last segment of the base URL's path (anything
              // following the rightmost slash "/", or the entire path if no
              // slash is present) is removed and the embedded URL's path is
              // appended in its place.
              var baseURLPath = baseParts.path;
              var newPath = baseURLPath.substring(0, baseURLPath.lastIndexOf('/') + 1) + relativeParts.path;
              builtParts.path = URLToolkit.normalizePath(newPath);
            }
          }
        }
        if (builtParts.path === null) {
          builtParts.path = opts.alwaysNormalize ? URLToolkit.normalizePath(relativeParts.path) : relativeParts.path;
        }
        return URLToolkit.buildURLFromParts(builtParts);
      },
      parseURL: function(url) {
        var parts = URL_REGEX.exec(url);
        if (!parts) {
          return null;
        }
        return {
          scheme: parts[1] || '',
          netLoc: parts[2] || '',
          path: parts[3] || '',
          params: parts[4] || '',
          query: parts[5] || '',
          fragment: parts[6] || ''
        };
      },
      normalizePath: function(path) {
        // The following operations are
        // then applied, in order, to the new path:
        // 6a) All occurrences of "./", where "." is a complete path
        // segment, are removed.
        // 6b) If the path ends with "." as a complete path segment,
        // that "." is removed.
        path = path.split('').reverse().join('').replace(SLASH_DOT_REGEX, '');
        // 6c) All occurrences of "<segment>/../", where <segment> is a
        // complete path segment not equal to "..", are removed.
        // Removal of these path segments is performed iteratively,
        // removing the leftmost matching pattern on each iteration,
        // until no matching pattern remains.
        // 6d) If the path ends with "<segment>/..", where <segment> is a
        // complete path segment not equal to "..", that
        // "<segment>/.." is removed.
        while (path.length !== (path = path.replace(SLASH_DOT_DOT_REGEX, '')).length) {} // jshint ignore:line
        return path.split('').reverse().join('');
      },
      buildURLFromParts: function(parts) {
        return parts.scheme + parts.netLoc + parts.path + parts.params + parts.query + parts.fragment;
      }
    };
  
  /* jshint ignore:start */
    if(typeof exports === 'object' && typeof module === 'object')
      module.exports = URLToolkit;
    else if(typeof define === 'function' && define.amd)
      define([], function() { return URLToolkit; });
    else if(typeof exports === 'object')
      exports["URLToolkit"] = URLToolkit;
    else
      root["URLToolkit"] = URLToolkit;
  })(this);
  /* jshint ignore:end */
  
  },{}],3:[function(_dereq_,module,exports){
  var bundleFn = arguments[3];
  var sources = arguments[4];
  var cache = arguments[5];
  
  var stringify = JSON.stringify;
  
  module.exports = function (fn, options) {
      var wkey;
      var cacheKeys = Object.keys(cache);
  
      for (var i = 0, l = cacheKeys.length; i < l; i++) {
          var key = cacheKeys[i];
          var exp = cache[key].exports;
          // Using babel as a transpiler to use esmodule, the export will always
          // be an object with the default export as a property of it. To ensure
          // the existing api and babel esmodule exports are both supported we
          // check for both
          if (exp === fn || exp && exp.default === fn) {
              wkey = key;
              break;
          }
      }
  
      if (!wkey) {
          wkey = Math.floor(Math.pow(16, 8) * Math.random()).toString(16);
          var wcache = {};
          for (var i = 0, l = cacheKeys.length; i < l; i++) {
              var key = cacheKeys[i];
              wcache[key] = key;
          }
          sources[wkey] = [
              Function(['require','module','exports'], '(' + fn + ')(self)'),
              wcache
          ];
      }
      var skey = Math.floor(Math.pow(16, 8) * Math.random()).toString(16);
  
      var scache = {}; scache[wkey] = wkey;
      sources[skey] = [
          Function(['require'], (
              // try to call default if defined to also support babel esmodule
              // exports
              'var f = require(' + stringify(wkey) + ');' +
              '(f.default ? f.default : f)(self);'
          )),
          scache
      ];
  
      var workerSources = {};
      resolveSources(skey);
  
      function resolveSources(key) {
          workerSources[key] = true;
  
          for (var depPath in sources[key][1]) {
              var depKey = sources[key][1][depPath];
              if (!workerSources[depKey]) {
                  resolveSources(depKey);
              }
          }
      }
  
      var src = '(' + bundleFn + ')({'
          + Object.keys(workerSources).map(function (key) {
              return stringify(key) + ':['
                  + sources[key][0]
                  + ',' + stringify(sources[key][1]) + ']'
              ;
          }).join(',')
          + '},{},[' + stringify(skey) + '])'
      ;
  
      var URL = window.URL || window.webkitURL || window.mozURL || window.msURL;
  
      var blob = new Blob([src], { type: 'text/javascript' });
      if (options && options.bare) { return blob; }
      var workerUrl = URL.createObjectURL(blob);
      var worker = new Worker(workerUrl);
      worker.objectURL = workerUrl;
      return worker;
  };
  
  },{}],4:[function(_dereq_,module,exports){
  /**
   * HLS config
   */
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
        value: true
  });
  exports.hlsDefaultConfig = undefined;
  
  var _abrController = _dereq_(5);
  
  var _abrController2 = _interopRequireDefault(_abrController);
  
  var _bufferController = _dereq_(8);
  
  var _bufferController2 = _interopRequireDefault(_bufferController);
  
  var _capLevelController = _dereq_(9);
  
  var _capLevelController2 = _interopRequireDefault(_capLevelController);
  
  var _fpsController = _dereq_(10);
  
  var _fpsController2 = _interopRequireDefault(_fpsController);
  
  var _xhrLoader = _dereq_(58);
  
  var _xhrLoader2 = _interopRequireDefault(_xhrLoader);
  
  var _audioTrackController = _dereq_(7);
  
  var _audioTrackController2 = _interopRequireDefault(_audioTrackController);
  
  var _audioStreamController = _dereq_(6);
  
  var _audioStreamController2 = _interopRequireDefault(_audioStreamController);
  
  var _cues = _dereq_(50);
  
  var _cues2 = _interopRequireDefault(_cues);
  
  var _timelineController = _dereq_(16);
  
  var _timelineController2 = _interopRequireDefault(_timelineController);
  
  var _subtitleTrackController = _dereq_(15);
  
  var _subtitleTrackController2 = _interopRequireDefault(_subtitleTrackController);
  
  var _subtitleStreamController = _dereq_(14);
  
  var _subtitleStreamController2 = _interopRequireDefault(_subtitleStreamController);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  //#endif
  
  //#endif
  
  //#if subtitle
  
  //import FetchLoader from './utils/fetch-loader';
  //#if altaudio
  var hlsDefaultConfig = exports.hlsDefaultConfig = {
        autoStartLoad: true, // used by stream-controller
        startPosition: -1, // used by stream-controller
        defaultAudioCodec: undefined, // used by stream-controller
        debug: false, // used by logger
        capLevelOnFPSDrop: false, // used by fps-controller
        capLevelToPlayerSize: false, // used by cap-level-controller
        initialLiveManifestSize: 1, // used by stream-controller
        maxBufferLength: 30, // used by stream-controller
        maxBufferSize: 60 * 1000 * 1000, // used by stream-controller
        maxBufferHole: 0.5, // used by stream-controller
        maxSeekHole: 2, // used by stream-controller
        lowBufferWatchdogPeriod: 0.5, // used by stream-controller
        highBufferWatchdogPeriod: 3, // used by stream-controller
        nudgeOffset: 0.1, // used by stream-controller
        nudgeMaxRetry: 3, // used by stream-controller
        maxFragLookUpTolerance: 0.25, // used by stream-controller
        liveSyncDurationCount: 3, // used by stream-controller
        liveMaxLatencyDurationCount: Infinity, // used by stream-controller
        liveSyncDuration: undefined, // used by stream-controller
        liveMaxLatencyDuration: undefined, // used by stream-controller
        maxMaxBufferLength: 600, // used by stream-controller
        enableWorker: true, // used by demuxer
        enableSoftwareAES: true, // used by decrypter
        manifestLoadingTimeOut: 10000, // used by playlist-loader
        manifestLoadingMaxRetry: 1, // used by playlist-loader
        manifestLoadingRetryDelay: 1000, // used by playlist-loader
        manifestLoadingMaxRetryTimeout: 64000, // used by playlist-loader
        startLevel: undefined, // used by level-controller
        levelLoadingTimeOut: 10000, // used by playlist-loader
        levelLoadingMaxRetry: 4, // used by playlist-loader
        levelLoadingRetryDelay: 1000, // used by playlist-loader
        levelLoadingMaxRetryTimeout: 64000, // used by playlist-loader
        fragLoadingTimeOut: 20000, // used by fragment-loader
        fragLoadingMaxRetry: 6, // used by fragment-loader
        fragLoadingRetryDelay: 1000, // used by fragment-loader
        fragLoadingMaxRetryTimeout: 64000, // used by fragment-loader
        fragLoadingLoopThreshold: 3, // used by stream-controller
        startFragPrefetch: false, // used by stream-controller
        fpsDroppedMonitoringPeriod: 5000, // used by fps-controller
        fpsDroppedMonitoringThreshold: 0.2, // used by fps-controller
        appendErrorMaxRetry: 3, // used by buffer-controller
        loader: _xhrLoader2.default,
        //loader: FetchLoader,
        fLoader: undefined,
        pLoader: undefined,
        xhrSetup: undefined,
        fetchSetup: undefined,
        abrController: _abrController2.default,
        bufferController: _bufferController2.default,
        capLevelController: _capLevelController2.default,
        fpsController: _fpsController2.default,
        //#if altaudio
        audioStreamController: _audioStreamController2.default,
        audioTrackController: _audioTrackController2.default,
        //#endif
        //#if subtitle
        subtitleStreamController: _subtitleStreamController2.default,
        subtitleTrackController: _subtitleTrackController2.default,
        timelineController: _timelineController2.default,
        cueHandler: _cues2.default,
        enableCEA708Captions: true, // used by timeline-controller
        enableWebVTT: true, // used by timeline-controller
        captionsTextTrack1Label: 'English', // used by timeline-controller
        captionsTextTrack1LanguageCode: 'en', // used by timeline-controller
        captionsTextTrack2Label: 'Spanish', // used by timeline-controller
        captionsTextTrack2LanguageCode: 'es', // used by timeline-controller
        //#endif
        stretchShortVideoTrack: false, // used by mp4-remuxer
        forceKeyFrameOnDiscontinuity: true, // used by ts-demuxer
        abrEwmaFastLive: 3, // used by abr-controller
        abrEwmaSlowLive: 9, // used by abr-controller
        abrEwmaFastVoD: 3, // used by abr-controller
        abrEwmaSlowVoD: 9, // used by abr-controller
        abrEwmaDefaultEstimate: 5e5, // 500 kbps  // used by abr-controller
        abrBandWidthFactor: 0.95, // used by abr-controller
        abrBandWidthUpFactor: 0.7, // used by abr-controller
        abrMaxWithRealBitrate: false, // used by abr-controller
        maxStarvationDelay: 4, // used by abr-controller
        maxLoadingDelay: 4, // used by abr-controller
        minAutoBitrate: 0 // used by hls
  };
  
  },{"10":10,"14":14,"15":15,"16":16,"5":5,"50":50,"58":58,"6":6,"7":7,"8":8,"9":9}],5:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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 _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  var _eventHandler = _dereq_(34);
  
  var _eventHandler2 = _interopRequireDefault(_eventHandler);
  
  var _bufferHelper = _dereq_(37);
  
  var _bufferHelper2 = _interopRequireDefault(_bufferHelper);
  
  var _errors = _dereq_(33);
  
  var _logger = _dereq_(53);
  
  var _ewmaBandwidthEstimator = _dereq_(51);
  
  var _ewmaBandwidthEstimator2 = _interopRequireDefault(_ewmaBandwidthEstimator);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  function _possibleConstructorReturn(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; }
  
  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); } 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; } /*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  * simple ABR Controller
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  *  - compute next level based on last fragment bw heuristics
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  *  - implement an abandon rules triggered if we have less than 2 frag buffered and if computed bw shows that we risk buffer stalling
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  */
  
  var AbrController = function (_EventHandler) {
    _inherits(AbrController, _EventHandler);
  
    function AbrController(hls) {
      _classCallCheck(this, AbrController);
  
      var _this = _possibleConstructorReturn(this, (AbrController.__proto__ || Object.getPrototypeOf(AbrController)).call(this, hls, _events2.default.FRAG_LOADING, _events2.default.FRAG_LOADED, _events2.default.FRAG_BUFFERED, _events2.default.ERROR));
  
      _this.lastLoadedFragLevel = 0;
      _this._nextAutoLevel = -1;
      _this.hls = hls;
      _this.onCheck = _this._abandonRulesCheck.bind(_this);
      return _this;
    }
  
    _createClass(AbrController, [{
      key: 'destroy',
      value: function destroy() {
        this.clearTimer();
        _eventHandler2.default.prototype.destroy.call(this);
      }
    }, {
      key: 'onFragLoading',
      value: function onFragLoading(data) {
        var frag = data.frag;
        if (frag.type === 'main') {
          if (!this.timer) {
            this.timer = setInterval(this.onCheck, 100);
          }
          // lazy init of bw Estimator, rationale is that we use different params for Live/VoD
          // so we need to wait for stream manifest / playlist type to instantiate it.
          if (!this._bwEstimator) {
            var hls = this.hls,
                level = data.frag.level,
                isLive = hls.levels[level].details.live,
                config = hls.config,
                ewmaFast = void 0,
                ewmaSlow = void 0;
  
            if (isLive) {
              ewmaFast = config.abrEwmaFastLive;
              ewmaSlow = config.abrEwmaSlowLive;
            } else {
              ewmaFast = config.abrEwmaFastVoD;
              ewmaSlow = config.abrEwmaSlowVoD;
            }
            this._bwEstimator = new _ewmaBandwidthEstimator2.default(hls, ewmaSlow, ewmaFast, config.abrEwmaDefaultEstimate);
          }
          this.fragCurrent = frag;
        }
      }
    }, {
      key: '_abandonRulesCheck',
      value: function _abandonRulesCheck() {
        /*
          monitor fragment retrieval time...
          we compute expected time of arrival of the complete fragment.
          we compare it to expected time of buffer starvation
        */
        var hls = this.hls,
            v = hls.media,
            frag = this.fragCurrent,
            loader = frag.loader,
            minAutoLevel = hls.minAutoLevel;
  
        // if loader has been destroyed or loading has been aborted, stop timer and return
        if (!loader || loader.stats && loader.stats.aborted) {
          _logger.logger.warn('frag loader destroy or aborted, disarm abandonRules');
          this.clearTimer();
          return;
        }
        var stats = loader.stats;
        /* only monitor frag retrieval time if
        (video not paused OR first fragment being loaded(ready state === HAVE_NOTHING = 0)) AND autoswitching enabled AND not lowest level (=> means that we have several levels) */
        if (v && (!v.paused && v.playbackRate !== 0 || !v.readyState) && frag.autoLevel && frag.level) {
          var requestDelay = performance.now() - stats.trequest,
              playbackRate = Math.abs(v.playbackRate);
          // monitor fragment load progress after half of expected fragment duration,to stabilize bitrate
          if (requestDelay > 500 * frag.duration / playbackRate) {
            var levels = hls.levels,
                loadRate = Math.max(1, stats.bw ? stats.bw / 8 : stats.loaded * 1000 / requestDelay),
                // byte/s; at least 1 byte/s to avoid division by zero
            // compute expected fragment length using frag duration and level bitrate. also ensure that expected len is gte than already loaded size
            level = levels[frag.level],
                levelBitrate = level.realBitrate ? Math.max(level.realBitrate, level.bitrate) : level.bitrate,
                expectedLen = stats.total ? stats.total : Math.max(stats.loaded, Math.round(frag.duration * levelBitrate / 8)),
                pos = v.currentTime,
                fragLoadedDelay = (expectedLen - stats.loaded) / loadRate,
                bufferStarvationDelay = (_bufferHelper2.default.bufferInfo(v, pos, hls.config.maxBufferHole).end - pos) / playbackRate;
            // consider emergency switch down only if we have less than 2 frag buffered AND
            // time to finish loading current fragment is bigger than buffer starvation delay
            // ie if we risk buffer starvation if bw does not increase quickly
            if (bufferStarvationDelay < 2 * frag.duration / playbackRate && fragLoadedDelay > bufferStarvationDelay) {
              var fragLevelNextLoadedDelay = void 0,
                  nextLoadLevel = void 0;
              // lets iterate through lower level and try to find the biggest one that could avoid rebuffering
              // we start from current level - 1 and we step down , until we find a matching level
              for (nextLoadLevel = frag.level - 1; nextLoadLevel > minAutoLevel; nextLoadLevel--) {
                // compute time to load next fragment at lower level
                // 0.8 : consider only 80% of current bw to be conservative
                // 8 = bits per byte (bps/Bps)
                var levelNextBitrate = levels[nextLoadLevel].realBitrate ? Math.max(levels[nextLoadLevel].realBitrate, levels[nextLoadLevel].bitrate) : levels[nextLoadLevel].bitrate;
                fragLevelNextLoadedDelay = frag.duration * levelNextBitrate / (8 * 0.8 * loadRate);
                if (fragLevelNextLoadedDelay < bufferStarvationDelay) {
                  // we found a lower level that be rebuffering free with current estimated bw !
                  break;
                }
              }
              // only emergency switch down if it takes less time to load new fragment at lowest level instead
              // of finishing loading current one ...
              if (fragLevelNextLoadedDelay < fragLoadedDelay) {
                _logger.logger.warn('loading too slow, abort fragment loading and switch to level ' + nextLoadLevel + ':fragLoadedDelay[' + nextLoadLevel + ']<fragLoadedDelay[' + (frag.level - 1) + '];bufferStarvationDelay:' + fragLevelNextLoadedDelay.toFixed(1) + '<' + fragLoadedDelay.toFixed(1) + ':' + bufferStarvationDelay.toFixed(1));
                // force next load level in auto mode
                hls.nextLoadLevel = nextLoadLevel;
                // update bw estimate for this fragment before cancelling load (this will help reducing the bw)
                this._bwEstimator.sample(requestDelay, stats.loaded);
                //abort fragment loading
                loader.abort();
                // stop abandon rules timer
                this.clearTimer();
                hls.trigger(_events2.default.FRAG_LOAD_EMERGENCY_ABORTED, { frag: frag, stats: stats });
              }
            }
          }
        }
      }
    }, {
      key: 'onFragLoaded',
      value: function onFragLoaded(data) {
        var frag = data.frag;
        if (frag.type === 'main' && !isNaN(frag.sn)) {
          // stop monitoring bw once frag loaded
          this.clearTimer();
          // store level id after successful fragment load
          this.lastLoadedFragLevel = frag.level;
          // reset forced auto level value so that next level will be selected
          this._nextAutoLevel = -1;
  
          // compute level average bitrate
          if (this.hls.config.abrMaxWithRealBitrate) {
            var level = this.hls.levels[frag.level];
            var loadedBytes = (level.loaded ? level.loaded.bytes : 0) + data.stats.loaded;
            var loadedDuration = (level.loaded ? level.loaded.duration : 0) + data.frag.duration;
            level.loaded = { bytes: loadedBytes, duration: loadedDuration };
            level.realBitrate = Math.round(8 * loadedBytes / loadedDuration);
          }
          // if fragment has been loaded to perform a bitrate test,
          if (data.frag.bitrateTest) {
            var stats = data.stats;
            stats.tparsed = stats.tbuffered = stats.tload;
            this.onFragBuffered(data);
          }
        }
      }
    }, {
      key: 'onFragBuffered',
      value: function onFragBuffered(data) {
        var stats = data.stats,
            frag = data.frag;
        // only update stats on first frag buffering
        // if same frag is loaded multiple times, it might be in browser cache, and loaded quickly
        // and leading to wrong bw estimation
        // on bitrate test, also only update stats once (if tload = tbuffered == on FRAG_LOADED)
        if (stats.aborted !== true && frag.loadCounter === 1 && frag.type === 'main' && !isNaN(frag.sn) && (!frag.bitrateTest || stats.tload === stats.tbuffered)) {
          // use tparsed-trequest instead of tbuffered-trequest to compute fragLoadingProcessing; rationale is that  buffer appending only happens once media is attached
          // in case we use config.startFragPrefetch while media is not attached yet, fragment might be parsed while media not attached yet, but it will only be buffered on media attached
          // as a consequence it could happen really late in the process. meaning that appending duration might appears huge ... leading to underestimated throughput estimation
          var fragLoadingProcessingMs = stats.tparsed - stats.trequest;
          _logger.logger.log('latency/loading/parsing/append/kbps:' + Math.round(stats.tfirst - stats.trequest) + '/' + Math.round(stats.tload - stats.tfirst) + '/' + Math.round(stats.tparsed - stats.tload) + '/' + Math.round(stats.tbuffered - stats.tparsed) + '/' + Math.round(8 * stats.loaded / (stats.tbuffered - stats.trequest)));
          this._bwEstimator.sample(fragLoadingProcessingMs, stats.loaded);
          stats.bwEstimate = this._bwEstimator.getEstimate();
          // if fragment has been loaded to perform a bitrate test, (hls.startLevel = -1), store bitrate test delay duration
          if (frag.bitrateTest) {
            this.bitrateTestDelay = fragLoadingProcessingMs / 1000;
          } else {
            this.bitrateTestDelay = 0;
          }
        }
      }
    }, {
      key: 'onError',
      value: function onError(data) {
        // stop timer in case of frag loading error
        switch (data.details) {
          case _errors.ErrorDetails.FRAG_LOAD_ERROR:
          case _errors.ErrorDetails.FRAG_LOAD_TIMEOUT:
            this.clearTimer();
            break;
          default:
            break;
        }
      }
    }, {
      key: 'clearTimer',
      value: function clearTimer() {
        if (this.timer) {
          clearInterval(this.timer);
          this.timer = null;
        }
      }
  
      // return next auto level
  
    }, {
      key: '_findBestLevel',
      value: function _findBestLevel(currentLevel, currentFragDuration, currentBw, minAutoLevel, maxAutoLevel, maxFetchDuration, bwFactor, bwUpFactor, levels) {
        for (var i = maxAutoLevel; i >= minAutoLevel; i--) {
          var levelInfo = levels[i],
              levelDetails = levelInfo.details,
              avgDuration = levelDetails ? levelDetails.totalduration / levelDetails.fragments.length : currentFragDuration,
              live = levelDetails ? levelDetails.live : false,
              adjustedbw = void 0;
          // follow algorithm captured from stagefright :
          // https://android.googlesource.com/platform/frameworks/av/+/master/media/libstagefright/httplive/LiveSession.cpp
          // Pick the highest bandwidth stream below or equal to estimated bandwidth.
          // consider only 80% of the available bandwidth, but if we are switching up,
          // be even more conservative (70%) to avoid overestimating and immediately
          // switching back.
          if (i <= currentLevel) {
            adjustedbw = bwFactor * currentBw;
          } else {
            adjustedbw = bwUpFactor * currentBw;
          }
          var bitrate = levels[i].realBitrate ? Math.max(levels[i].realBitrate, levels[i].bitrate) : levels[i].bitrate,
              fetchDuration = bitrate * avgDuration / adjustedbw;
  
          _logger.logger.trace('level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: ' + i + '/' + Math.round(adjustedbw) + '/' + bitrate + '/' + avgDuration + '/' + maxFetchDuration + '/' + fetchDuration);
          // if adjusted bw is greater than level bitrate AND
          if (adjustedbw > bitrate && (
          // fragment fetchDuration unknown OR live stream OR fragment fetchDuration less than max allowed fetch duration, then this level matches
          // we don't account for max Fetch Duration for live streams, this is to avoid switching down when near the edge of live sliding window ...
          // special case to support startLevel = -1 (bitrateTest) on live streams : in that case we should not exit loop so that _findBestLevel will return -1
          !fetchDuration || live && !this.bitrateTestDelay || fetchDuration < maxFetchDuration)) {
            // as we are looping from highest to lowest, this will return the best achievable quality level
            return i;
          }
        }
        // not enough time budget even with quality level 0 ... rebuffering might happen
        return -1;
      }
    }, {
      key: 'nextAutoLevel',
      get: function get() {
        var forcedAutoLevel = this._nextAutoLevel;
        var bwEstimator = this._bwEstimator;
        // in case next auto level has been forced, and bw not available or not reliable, return forced value
        if (forcedAutoLevel !== -1 && (!bwEstimator || !bwEstimator.canEstimate())) {
          return forcedAutoLevel;
        }
        // compute next level using ABR logic
        var nextABRAutoLevel = this._nextABRAutoLevel;
        // if forced auto level has been defined, use it to cap ABR computed quality level
        if (forcedAutoLevel !== -1) {
          nextABRAutoLevel = Math.min(forcedAutoLevel, nextABRAutoLevel);
        }
        return nextABRAutoLevel;
      },
      set: function set(nextLevel) {
        this._nextAutoLevel = nextLevel;
      }
    }, {
      key: '_nextABRAutoLevel',
      get: function get() {
        var hls = this.hls,
            maxAutoLevel = hls.maxAutoLevel,
            levels = hls.levels,
            config = hls.config,
            minAutoLevel = hls.minAutoLevel;
        var v = hls.media,
            currentLevel = this.lastLoadedFragLevel,
            currentFragDuration = this.fragCurrent ? this.fragCurrent.duration : 0,
            pos = v ? v.currentTime : 0,
  
        // playbackRate is the absolute value of the playback rate; if v.playbackRate is 0, we use 1 to load as
        // if we're playing back at the normal rate.
        playbackRate = v && v.playbackRate !== 0 ? Math.abs(v.playbackRate) : 1.0,
            avgbw = this._bwEstimator ? this._bwEstimator.getEstimate() : config.abrEwmaDefaultEstimate,
  
        // bufferStarvationDelay is the wall-clock time left until the playback buffer is exhausted.
        bufferStarvationDelay = (_bufferHelper2.default.bufferInfo(v, pos, config.maxBufferHole).end - pos) / playbackRate;
  
        // First, look to see if we can find a level matching with our avg bandwidth AND that could also guarantee no rebuffering at all
        var bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay, config.abrBandWidthFactor, config.abrBandWidthUpFactor, levels);
        if (bestLevel >= 0) {
          return bestLevel;
        } else {
          _logger.logger.trace('rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering');
          // not possible to get rid of rebuffering ... let's try to find level that will guarantee less than maxStarvationDelay of rebuffering
          // if no matching level found, logic will return 0
          var maxStarvationDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxStarvationDelay) : config.maxStarvationDelay,
              bwFactor = config.abrBandWidthFactor,
              bwUpFactor = config.abrBandWidthUpFactor;
          if (bufferStarvationDelay === 0) {
            // in case buffer is empty, let's check if previous fragment was loaded to perform a bitrate test
            var bitrateTestDelay = this.bitrateTestDelay;
            if (bitrateTestDelay) {
              // if it is the case, then we need to adjust our max starvation delay using maxLoadingDelay config value
              // max video loading delay used in  automatic start level selection :
              // in that mode ABR controller will ensure that video loading time (ie the time to fetch the first fragment at lowest quality level +
              // the time to fetch the fragment at the appropriate quality level is less than ```maxLoadingDelay``` )
              // cap maxLoadingDelay and ensure it is not bigger 'than bitrate test' frag duration
              var maxLoadingDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxLoadingDelay) : config.maxLoadingDelay;
              maxStarvationDelay = maxLoadingDelay - bitrateTestDelay;
              _logger.logger.trace('bitrate test took ' + Math.round(1000 * bitrateTestDelay) + 'ms, set first fragment max fetchDuration to ' + Math.round(1000 * maxStarvationDelay) + ' ms');
              // don't use conservative factor on bitrate test
              bwFactor = bwUpFactor = 1;
            }
          }
          bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay + maxStarvationDelay, bwFactor, bwUpFactor, levels);
          return Math.max(bestLevel, 0);
        }
      }
    }]);
  
    return AbrController;
  }(_eventHandler2.default);
  
  exports.default = AbrController;
  
  },{"33":33,"34":34,"35":35,"37":37,"51":51,"53":53}],6:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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 _binarySearch = _dereq_(48);
  
  var _binarySearch2 = _interopRequireDefault(_binarySearch);
  
  var _bufferHelper = _dereq_(37);
  
  var _bufferHelper2 = _interopRequireDefault(_bufferHelper);
  
  var _demuxer = _dereq_(25);
  
  var _demuxer2 = _interopRequireDefault(_demuxer);
  
  var _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  var _eventHandler = _dereq_(34);
  
  var _eventHandler2 = _interopRequireDefault(_eventHandler);
  
  var _levelHelper = _dereq_(38);
  
  var _levelHelper2 = _interopRequireDefault(_levelHelper);
  
  var _timeRanges = _dereq_(54);
  
  var _timeRanges2 = _interopRequireDefault(_timeRanges);
  
  var _errors = _dereq_(33);
  
  var _logger = _dereq_(53);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  function _possibleConstructorReturn(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; }
  
  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); } 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; } /*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  * Audio Stream Controller
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 */
  
  var State = {
    STOPPED: 'STOPPED',
    STARTING: 'STARTING',
    IDLE: 'IDLE',
    PAUSED: 'PAUSED',
    KEY_LOADING: 'KEY_LOADING',
    FRAG_LOADING: 'FRAG_LOADING',
    FRAG_LOADING_WAITING_RETRY: 'FRAG_LOADING_WAITING_RETRY',
    WAITING_TRACK: 'WAITING_TRACK',
    PARSING: 'PARSING',
    PARSED: 'PARSED',
    BUFFER_FLUSHING: 'BUFFER_FLUSHING',
    ENDED: 'ENDED',
    ERROR: 'ERROR',
    WAITING_INIT_PTS: 'WAITING_INIT_PTS'
  };
  
  var AudioStreamController = function (_EventHandler) {
    _inherits(AudioStreamController, _EventHandler);
  
    function AudioStreamController(hls) {
      _classCallCheck(this, AudioStreamController);
  
      var _this = _possibleConstructorReturn(this, (AudioStreamController.__proto__ || Object.getPrototypeOf(AudioStreamController)).call(this, hls, _events2.default.MEDIA_ATTACHED, _events2.default.MEDIA_DETACHING, _events2.default.AUDIO_TRACKS_UPDATED, _events2.default.AUDIO_TRACK_SWITCHING, _events2.default.AUDIO_TRACK_LOADED, _events2.default.KEY_LOADED, _events2.default.FRAG_LOADED, _events2.default.FRAG_PARSING_INIT_SEGMENT, _events2.default.FRAG_PARSING_DATA, _events2.default.FRAG_PARSED, _events2.default.ERROR, _events2.default.BUFFER_CREATED, _events2.default.BUFFER_APPENDED, _events2.default.BUFFER_FLUSHED, _events2.default.INIT_PTS_FOUND));
  
      _this.config = hls.config;
      _this.audioCodecSwap = false;
      _this.ticks = 0;
      _this._state = State.STOPPED;
      _this.ontick = _this.tick.bind(_this);
      _this.initPTS = [];
      _this.waitingFragment = null;
      return _this;
    }
  
    _createClass(AudioStreamController, [{
      key: 'destroy',
      value: function destroy() {
        this.stopLoad();
        if (this.timer) {
          clearInterval(this.timer);
          this.timer = null;
        }
        _eventHandler2.default.prototype.destroy.call(this);
        this.state = State.STOPPED;
      }
  
      //Signal that video PTS was found
  
    }, {
      key: 'onInitPtsFound',
      value: function onInitPtsFound(data) {
        var demuxerId = data.id,
            cc = data.frag.cc,
            initPTS = data.initPTS;
        if (demuxerId === 'main') {
          //Always update the new INIT PTS
          //Can change due level switch
          this.initPTS[cc] = initPTS;
          _logger.logger.log('InitPTS for cc:' + cc + ' found from video track:' + initPTS);
  
          //If we are waiting we need to demux/remux the waiting frag
          //With the new initPTS
          if (this.state === State.WAITING_INIT_PTS) {
            _logger.logger.log('sending pending audio frag to demuxer');
            this.state = State.FRAG_LOADING;
            //We have audio frag waiting or video pts
            //Let process it
            this.onFragLoaded(this.waitingFragment);
            //Lets clean the waiting frag
            this.waitingFragment = null;
          }
        }
      }
    }, {
      key: 'startLoad',
      value: function startLoad(startPosition) {
        if (this.tracks) {
          var lastCurrentTime = this.lastCurrentTime;
          this.stopLoad();
          if (!this.timer) {
            this.timer = setInterval(this.ontick, 100);
          }
          this.fragLoadError = 0;
          if (lastCurrentTime > 0 && startPosition === -1) {
            _logger.logger.log('audio:override startPosition with lastCurrentTime @' + lastCurrentTime.toFixed(3));
            this.state = State.IDLE;
          } else {
            this.lastCurrentTime = this.startPosition ? this.startPosition : startPosition;
            this.state = State.STARTING;
          }
          this.nextLoadPosition = this.startPosition = this.lastCurrentTime;
          this.tick();
        } else {
          this.startPosition = startPosition;
          this.state = State.STOPPED;
        }
      }
    }, {
      key: 'stopLoad',
      value: function stopLoad() {
        var frag = this.fragCurrent;
        if (frag) {
          if (frag.loader) {
            frag.loader.abort();
          }
          this.fragCurrent = null;
        }
        this.fragPrevious = null;
        if (this.demuxer) {
          this.demuxer.destroy();
          this.demuxer = null;
        }
        this.state = State.STOPPED;
      }
    }, {
      key: 'tick',
      value: function tick() {
        this.ticks++;
        if (this.ticks === 1) {
          this.doTick();
          if (this.ticks > 1) {
            setTimeout(this.tick, 1);
          }
          this.ticks = 0;
        }
      }
    }, {
      key: 'doTick',
      value: function doTick() {
        var pos,
            track,
            trackDetails,
            hls = this.hls,
            config = hls.config;
        //logger.log('audioStream:' + this.state);
        switch (this.state) {
          case State.ERROR:
          //don't do anything in error state to avoid breaking further ...
          case State.PAUSED:
          //don't do anything in paused state either ...
          case State.BUFFER_FLUSHING:
            break;
          case State.STARTING:
            this.state = State.WAITING_TRACK;
            this.loadedmetadata = false;
            break;
          case State.IDLE:
            var tracks = this.tracks;
            // audio tracks not received => exit loop
            if (!tracks) {
              break;
            }
            // if video not attached AND
            // start fragment already requested OR start frag prefetch disable
            // exit loop
            // => if media not attached but start frag prefetch is enabled and start frag not requested yet, we will not exit loop
            if (!this.media && (this.startFragRequested || !config.startFragPrefetch)) {
              break;
            }
            // determine next candidate fragment to be loaded, based on current position and
            //  end of buffer position
            // if we have not yet loaded any fragment, start loading from start position
            if (this.loadedmetadata) {
              pos = this.media.currentTime;
            } else {
              pos = this.nextLoadPosition;
            }
            var media = this.mediaBuffer ? this.mediaBuffer : this.media,
                bufferInfo = _bufferHelper2.default.bufferInfo(media, pos, config.maxBufferHole),
                bufferLen = bufferInfo.len,
                bufferEnd = bufferInfo.end,
                fragPrevious = this.fragPrevious,
                maxBufLen = config.maxMaxBufferLength,
                audioSwitch = this.audioSwitch,
                trackId = this.trackId;
  
            // if buffer length is less than maxBufLen try to load a new fragment
            if ((bufferLen < maxBufLen || audioSwitch) && trackId < tracks.length) {
              trackDetails = tracks[trackId].details;
              // if track info not retrieved yet, switch state and wait for track retrieval
              if (typeof trackDetails === 'undefined') {
                this.state = State.WAITING_TRACK;
                break;
              }
  
              // we just got done loading the final fragment, check if we need to finalize media stream
              if (!audioSwitch && !trackDetails.live && fragPrevious && fragPrevious.sn === trackDetails.endSN) {
                // if we are not seeking or if we are seeking but everything (almost) til the end is buffered, let's signal eos
                // we don't compare exactly media.duration === bufferInfo.end as there could be some subtle media duration difference when switching
                // between different renditions. using half frag duration should help cope with these cases.
                if (!this.media.seeking || this.media.duration - bufferEnd < fragPrevious.duration / 2) {
                  // Finalize the media stream
                  this.hls.trigger(_events2.default.BUFFER_EOS, { type: 'audio' });
                  this.state = State.ENDED;
                  break;
                }
              }
  
              // find fragment index, contiguous with end of buffer position
              var fragments = trackDetails.fragments,
                  fragLen = fragments.length,
                  start = fragments[0].start,
                  end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration,
                  frag = void 0;
  
              // When switching audio track, reload audio as close as possible to currentTime
              if (audioSwitch) {
                if (trackDetails.live && !trackDetails.PTSKnown) {
                  _logger.logger.log('switching audiotrack, live stream, unknown PTS,load first fragment');
                  bufferEnd = 0;
                } else {
                  bufferEnd = pos;
                  // if currentTime (pos) is less than alt audio playlist start time, it means that alt audio is ahead of currentTime
                  if (trackDetails.PTSKnown && pos < start) {
                    // if everything is buffered from pos to start or if audio buffer upfront, let's seek to start
                    if (bufferInfo.end > start || bufferInfo.nextStart) {
                      _logger.logger.log('alt audio track ahead of main track, seek to start of alt audio track');
                      this.media.currentTime = start + 0.05;
                    } else {
                      return;
                    }
                  }
                }
              }
              if (trackDetails.initSegment && !trackDetails.initSegment.data) {
                frag = trackDetails.initSegment;
              }
              // if bufferEnd before start of playlist, load first fragment
              else if (bufferEnd <= start) {
                  frag = fragments[0];
                  if (trackDetails.live && frag.loadIdx && frag.loadIdx === this.fragLoadIdx) {
                    // we just loaded this first fragment, and we are still lagging behind the start of the live playlist
                    // let's force seek to start
                    var nextBuffered = bufferInfo.nextStart ? bufferInfo.nextStart : start;
                    _logger.logger.log('no alt audio available @currentTime:' + this.media.currentTime + ', seeking @' + (nextBuffered + 0.05));
                    this.media.currentTime = nextBuffered + 0.05;
                    return;
                  }
                } else {
                  var foundFrag = void 0;
                  var maxFragLookUpTolerance = config.maxFragLookUpTolerance;
                  var fragNext = fragPrevious ? fragments[fragPrevious.sn - fragments[0].sn + 1] : undefined;
                  var fragmentWithinToleranceTest = function fragmentWithinToleranceTest(candidate) {
                    // offset should be within fragment boundary - config.maxFragLookUpTolerance
                    // this is to cope with situations like
                    // bufferEnd = 9.991
                    // frag[Ø] : [0,10]
                    // frag[1] : [10,20]
                    // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here
                    //              frag start               frag start+duration
                    //                  |-----------------------------|
                    //              <--->                         <--->
                    //  ...--------><-----------------------------><---------....
                    // previous frag         matching fragment         next frag
                    //  return -1             return 0                 return 1
                    //logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`);
                    // Set the lookup tolerance to be small enough to detect the current segment - ensures we don't skip over very small segments
                    var candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration);
                    if (candidate.start + candidate.duration - candidateLookupTolerance <= bufferEnd) {
                      return 1;
                    } // if maxFragLookUpTolerance will have negative value then don't return -1 for first element
                    else if (candidate.start - candidateLookupTolerance > bufferEnd && candidate.start) {
                        return -1;
                      }
                    return 0;
                  };
  
                  if (bufferEnd < end) {
                    if (bufferEnd > end - maxFragLookUpTolerance) {
                      maxFragLookUpTolerance = 0;
                    }
                    // Prefer the next fragment if it's within tolerance
                    if (fragNext && !fragmentWithinToleranceTest(fragNext)) {
                      foundFrag = fragNext;
                    } else {
                      foundFrag = _binarySearch2.default.search(fragments, fragmentWithinToleranceTest);
                    }
                  } else {
                    // reach end of playlist
                    foundFrag = fragments[fragLen - 1];
                  }
                  if (foundFrag) {
                    frag = foundFrag;
                    start = foundFrag.start;
                    //logger.log('find SN matching with pos:' +  bufferEnd + ':' + frag.sn);
                    if (fragPrevious && frag.level === fragPrevious.level && frag.sn === fragPrevious.sn) {
                      if (frag.sn < trackDetails.endSN) {
                        frag = fragments[frag.sn + 1 - trackDetails.startSN];
                        _logger.logger.log('SN just loaded, load next one: ' + frag.sn);
                      } else {
                        frag = null;
                      }
                    }
                  }
                }
              if (frag) {
                //logger.log('      loading frag ' + i +',pos/bufEnd:' + pos.toFixed(3) + '/' + bufferEnd.toFixed(3));
                if (frag.decryptdata && frag.decryptdata.uri != null && frag.decryptdata.key == null) {
                  _logger.logger.log('Loading key for ' + frag.sn + ' of [' + trackDetails.startSN + ' ,' + trackDetails.endSN + '],track ' + trackId);
                  this.state = State.KEY_LOADING;
                  hls.trigger(_events2.default.KEY_LOADING, { frag: frag });
                } else {
                  _logger.logger.log('Loading ' + frag.sn + ' of [' + trackDetails.startSN + ' ,' + trackDetails.endSN + '],track ' + trackId + ', currentTime:' + pos + ',bufferEnd:' + bufferEnd.toFixed(3));
                  // ensure that we are not reloading the same fragments in loop ...
                  if (this.fragLoadIdx !== undefined) {
                    this.fragLoadIdx++;
                  } else {
                    this.fragLoadIdx = 0;
                  }
                  if (frag.loadCounter) {
                    frag.loadCounter++;
                    var maxThreshold = config.fragLoadingLoopThreshold;
                    // if this frag has already been loaded 3 times, and if it has been reloaded recently
                    if (frag.loadCounter > maxThreshold && Math.abs(this.fragLoadIdx - frag.loadIdx) < maxThreshold) {
                      hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.FRAG_LOOP_LOADING_ERROR, fatal: false, frag: frag });
                      return;
                    }
                  } else {
                    frag.loadCounter = 1;
                  }
                  frag.loadIdx = this.fragLoadIdx;
                  this.fragCurrent = frag;
                  this.startFragRequested = true;
                  if (!isNaN(frag.sn)) {
                    this.nextLoadPosition = frag.start + frag.duration;
                  }
                  hls.trigger(_events2.default.FRAG_LOADING, { frag: frag });
                  this.state = State.FRAG_LOADING;
                }
              }
            }
            break;
          case State.WAITING_TRACK:
            track = this.tracks[this.trackId];
            // check if playlist is already loaded
            if (track && track.details) {
              this.state = State.IDLE;
            }
            break;
          case State.FRAG_LOADING_WAITING_RETRY:
            var now = performance.now();
            var retryDate = this.retryDate;
            media = this.media;
            var isSeeking = media && media.seeking;
            // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading
            if (!retryDate || now >= retryDate || isSeeking) {
              _logger.logger.log('audioStreamController: retryDate reached, switch back to IDLE state');
              this.state = State.IDLE;
            }
            break;
          case State.WAITING_INIT_PTS:
          case State.STOPPED:
          case State.FRAG_LOADING:
          case State.PARSING:
          case State.PARSED:
          case State.ENDED:
            break;
          default:
            break;
        }
      }
    }, {
      key: 'onMediaAttached',
      value: function onMediaAttached(data) {
        var media = this.media = this.mediaBuffer = data.media;
        this.onvseeking = this.onMediaSeeking.bind(this);
        this.onvended = this.onMediaEnded.bind(this);
        media.addEventListener('seeking', this.onvseeking);
        media.addEventListener('ended', this.onvended);
        var config = this.config;
        if (this.tracks && config.autoStartLoad) {
          this.startLoad(config.startPosition);
        }
      }
    }, {
      key: 'onMediaDetaching',
      value: function onMediaDetaching() {
        var media = this.media;
        if (media && media.ended) {
          _logger.logger.log('MSE detaching and video ended, reset startPosition');
          this.startPosition = this.lastCurrentTime = 0;
        }
  
        // reset fragment loading counter on MSE detaching to avoid reporting FRAG_LOOP_LOADING_ERROR after error recovery
        var tracks = this.tracks;
        if (tracks) {
          // reset fragment load counter
          tracks.forEach(function (track) {
            if (track.details) {
              track.details.fragments.forEach(function (fragment) {
                fragment.loadCounter = undefined;
              });
            }
          });
        }
        // remove video listeners
        if (media) {
          media.removeEventListener('seeking', this.onvseeking);
          media.removeEventListener('ended', this.onvended);
          this.onvseeking = this.onvseeked = this.onvended = null;
        }
        this.media = this.mediaBuffer = null;
        this.loadedmetadata = false;
        this.stopLoad();
      }
    }, {
      key: 'onMediaSeeking',
      value: function onMediaSeeking() {
        if (this.state === State.ENDED) {
          // switch to IDLE state to check for potential new fragment
          this.state = State.IDLE;
        }
        if (this.media) {
          this.lastCurrentTime = this.media.currentTime;
        }
        // avoid reporting fragment loop loading error in case user is seeking several times on same position
        if (this.fragLoadIdx !== undefined) {
          this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold;
        }
        // tick to speed up processing
        this.tick();
      }
    }, {
      key: 'onMediaEnded',
      value: function onMediaEnded() {
        // reset startPosition and lastCurrentTime to restart playback @ stream beginning
        this.startPosition = this.lastCurrentTime = 0;
      }
    }, {
      key: 'onAudioTracksUpdated',
      value: function onAudioTracksUpdated(data) {
        _logger.logger.log('audio tracks updated');
        this.tracks = data.audioTracks;
      }
    }, {
      key: 'onAudioTrackSwitching',
      value: function onAudioTrackSwitching(data) {
        // if any URL found on new audio track, it is an alternate audio track
        var altAudio = !!data.url;
        this.trackId = data.id;
        this.state = State.IDLE;
  
        this.fragCurrent = null;
        this.state = State.PAUSED;
        this.waitingFragment = null;
        // destroy useless demuxer when switching audio to main
        if (!altAudio) {
          if (this.demuxer) {
            this.demuxer.destroy();
            this.demuxer = null;
          }
        } else {
          // switching to audio track, start timer if not already started
          if (!this.timer) {
            this.timer = setInterval(this.ontick, 100);
          }
        }
  
        //should we switch tracks ?
        if (altAudio) {
          this.audioSwitch = true;
          //main audio track are handled by stream-controller, just do something if switching to alt audio track
          this.state = State.IDLE;
          // increase fragment load Index to avoid frag loop loading error after buffer flush
          if (this.fragLoadIdx !== undefined) {
            this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold;
          }
        }
        this.tick();
      }
    }, {
      key: 'onAudioTrackLoaded',
      value: function onAudioTrackLoaded(data) {
        var newDetails = data.details,
            trackId = data.id,
            track = this.tracks[trackId],
            duration = newDetails.totalduration,
            sliding = 0;
  
        _logger.logger.log('track ' + trackId + ' loaded [' + newDetails.startSN + ',' + newDetails.endSN + '],duration:' + duration);
  
        if (newDetails.live) {
          var curDetails = track.details;
          if (curDetails && newDetails.fragments.length > 0) {
            // we already have details for that level, merge them
            _levelHelper2.default.mergeDetails(curDetails, newDetails);
            sliding = newDetails.fragments[0].start;
            // TODO
            //this.liveSyncPosition = this.computeLivePosition(sliding, curDetails);
            if (newDetails.PTSKnown) {
              _logger.logger.log('live audio playlist sliding:' + sliding.toFixed(3));
            } else {
              _logger.logger.log('live audio playlist - outdated PTS, unknown sliding');
            }
          } else {
            newDetails.PTSKnown = false;
            _logger.logger.log('live audio playlist - first load, unknown sliding');
          }
        } else {
          newDetails.PTSKnown = false;
        }
        track.details = newDetails;
  
        // compute start position
        if (!this.startFragRequested) {
          // compute start position if set to -1. use it straight away if value is defined
          if (this.startPosition === -1) {
            // first, check if start time offset has been set in playlist, if yes, use this value
            var startTimeOffset = newDetails.startTimeOffset;
            if (!isNaN(startTimeOffset)) {
              _logger.logger.log('start time offset found in playlist, adjust startPosition to ' + startTimeOffset);
              this.startPosition = startTimeOffset;
            } else {
              this.startPosition = 0;
            }
          }
          this.nextLoadPosition = this.startPosition;
        }
        // only switch batck to IDLE state if we were waiting for track to start downloading a new fragment
        if (this.state === State.WAITING_TRACK) {
          this.state = State.IDLE;
        }
        //trigger handler right now
        this.tick();
      }
    }, {
      key: 'onKeyLoaded',
      value: function onKeyLoaded() {
        if (this.state === State.KEY_LOADING) {
          this.state = State.IDLE;
          this.tick();
        }
      }
    }, {
      key: 'onFragLoaded',
      value: function onFragLoaded(data) {
        var fragCurrent = this.fragCurrent,
            fragLoaded = data.frag;
        if (this.state === State.FRAG_LOADING && fragCurrent && fragLoaded.type === 'audio' && fragLoaded.level === fragCurrent.level && fragLoaded.sn === fragCurrent.sn) {
          var track = this.tracks[this.trackId],
              details = track.details,
              duration = details.totalduration,
              trackId = fragCurrent.level,
              sn = fragCurrent.sn,
              cc = fragCurrent.cc,
              audioCodec = this.config.defaultAudioCodec || track.audioCodec || 'mp4a.40.2',
              stats = this.stats = data.stats;
          if (sn === 'initSegment') {
            this.state = State.IDLE;
  
            stats.tparsed = stats.tbuffered = performance.now();
            details.initSegment.data = data.payload;
            this.hls.trigger(_events2.default.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'audio' });
            this.tick();
          } else {
            this.state = State.PARSING;
            // transmux the MPEG-TS data to ISO-BMFF segments
            this.appended = false;
            if (!this.demuxer) {
              this.demuxer = new _demuxer2.default(this.hls, 'audio');
            }
            //Check if we have video initPTS
            // If not we need to wait for it
            var initPTS = this.initPTS[cc];
            var initSegmentData = details.initSegment ? details.initSegment.data : [];
            if (details.initSegment || initPTS !== undefined) {
              this.pendingBuffering = true;
              _logger.logger.log('Demuxing ' + sn + ' of [' + details.startSN + ' ,' + details.endSN + '],track ' + trackId);
              // time Offset is accurate if level PTS is known, or if playlist is not sliding (not live)
              var accurateTimeOffset = false; //details.PTSKnown || !details.live;
              this.demuxer.push(data.payload, initSegmentData, audioCodec, null, fragCurrent, duration, accurateTimeOffset, initPTS);
            } else {
              _logger.logger.log('unknown video PTS for continuity counter ' + cc + ', waiting for video PTS before demuxing audio frag ' + sn + ' of [' + details.startSN + ' ,' + details.endSN + '],track ' + trackId);
              this.waitingFragment = data;
              this.state = State.WAITING_INIT_PTS;
            }
          }
        }
        this.fragLoadError = 0;
      }
    }, {
      key: 'onFragParsingInitSegment',
      value: function onFragParsingInitSegment(data) {
        var fragCurrent = this.fragCurrent;
        var fragNew = data.frag;
        if (fragCurrent && data.id === 'audio' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === State.PARSING) {
          var tracks = data.tracks,
              track = void 0;
  
          // delete any video track found on audio demuxer
          if (tracks.video) {
            delete tracks.video;
          }
  
          // include levelCodec in audio and video tracks
          track = tracks.audio;
          if (track) {
            track.levelCodec = 'mp4a.40.2';
            track.id = data.id;
            this.hls.trigger(_events2.default.BUFFER_CODECS, tracks);
            _logger.logger.log('audio track:audio,container:' + track.container + ',codecs[level/parsed]=[' + track.levelCodec + '/' + track.codec + ']');
            var initSegment = track.initSegment;
            if (initSegment) {
              var appendObj = { type: 'audio', data: initSegment, parent: 'audio', content: 'initSegment' };
              if (this.audioSwitch) {
                this.pendingData = [appendObj];
              } else {
                this.appended = true;
                // arm pending Buffering flag before appending a segment
                this.pendingBuffering = true;
                this.hls.trigger(_events2.default.BUFFER_APPENDING, appendObj);
              }
            }
            //trigger handler right now
            this.tick();
          }
        }
      }
    }, {
      key: 'onFragParsingData',
      value: function onFragParsingData(data) {
        var _this2 = this;
  
        var fragCurrent = this.fragCurrent;
        var fragNew = data.frag;
        if (fragCurrent && data.id === 'audio' && data.type === 'audio' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === State.PARSING) {
          var trackId = this.trackId,
              track = this.tracks[trackId],
              hls = this.hls;
  
          if (isNaN(data.endPTS)) {
            data.endPTS = data.startPTS + fragCurrent.duration;
            data.endDTS = data.startDTS + fragCurrent.duration;
          }
  
          _logger.logger.log('parsed ' + data.type + ',PTS:[' + data.startPTS.toFixed(3) + ',' + data.endPTS.toFixed(3) + '],DTS:[' + data.startDTS.toFixed(3) + '/' + data.endDTS.toFixed(3) + '],nb:' + data.nb);
          _levelHelper2.default.updateFragPTSDTS(track.details, fragCurrent, data.startPTS, data.endPTS);
  
          var audioSwitch = this.audioSwitch,
              media = this.media,
              appendOnBufferFlush = false;
          //Only flush audio from old audio tracks when PTS is known on new audio track
          if (audioSwitch && media) {
            if (media.readyState) {
              var currentTime = media.currentTime;
              _logger.logger.log('switching audio track : currentTime:' + currentTime);
              if (currentTime >= data.startPTS) {
                _logger.logger.log('switching audio track : flushing all audio');
                this.state = State.BUFFER_FLUSHING;
                hls.trigger(_events2.default.BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' });
                appendOnBufferFlush = true;
                //Lets announce that the initial audio track switch flush occur
                this.audioSwitch = false;
                hls.trigger(_events2.default.AUDIO_TRACK_SWITCHED, { id: trackId });
              }
            } else {
              //Lets announce that the initial audio track switch flush occur
              this.audioSwitch = false;
              hls.trigger(_events2.default.AUDIO_TRACK_SWITCHED, { id: trackId });
            }
          }
  
          var pendingData = this.pendingData;
          if (!this.audioSwitch) {
            [data.data1, data.data2].forEach(function (buffer) {
              if (buffer && buffer.length) {
                pendingData.push({ type: data.type, data: buffer, parent: 'audio', content: 'data' });
              }
            });
            if (!appendOnBufferFlush && pendingData.length) {
              pendingData.forEach(function (appendObj) {
                // only append in PARSING state (rationale is that an appending error could happen synchronously on first segment appending)
                // in that case it is useless to append following segments
                if (_this2.state === State.PARSING) {
                  // arm pending Buffering flag before appending a segment
                  _this2.pendingBuffering = true;
                  _this2.hls.trigger(_events2.default.BUFFER_APPENDING, appendObj);
                }
              });
              this.pendingData = [];
              this.appended = true;
            }
          }
          //trigger handler right now
          this.tick();
        }
      }
    }, {
      key: 'onFragParsed',
      value: function onFragParsed(data) {
        var fragCurrent = this.fragCurrent;
        var fragNew = data.frag;
        if (fragCurrent && data.id === 'audio' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === State.PARSING) {
          this.stats.tparsed = performance.now();
          this.state = State.PARSED;
          this._checkAppendedParsed();
        }
      }
    }, {
      key: 'onBufferCreated',
      value: function onBufferCreated(data) {
        var audioTrack = data.tracks.audio;
        if (audioTrack) {
          this.mediaBuffer = audioTrack.buffer;
          this.loadedmetadata = true;
        }
      }
    }, {
      key: 'onBufferAppended',
      value: function onBufferAppended(data) {
        if (data.parent === 'audio') {
          var state = this.state;
          if (state === State.PARSING || state === State.PARSED) {
            // check if all buffers have been appended
            this.pendingBuffering = data.pending > 0;
            this._checkAppendedParsed();
          }
        }
      }
    }, {
      key: '_checkAppendedParsed',
      value: function _checkAppendedParsed() {
        //trigger handler right now
        if (this.state === State.PARSED && (!this.appended || !this.pendingBuffering)) {
          var frag = this.fragCurrent,
              stats = this.stats,
              hls = this.hls;
          if (frag) {
            this.fragPrevious = frag;
            stats.tbuffered = performance.now();
            hls.trigger(_events2.default.FRAG_BUFFERED, { stats: stats, frag: frag, id: 'audio' });
            var media = this.mediaBuffer ? this.mediaBuffer : this.media;
            _logger.logger.log('audio buffered : ' + _timeRanges2.default.toString(media.buffered));
            if (this.audioSwitch && this.appended) {
              this.audioSwitch = false;
              hls.trigger(_events2.default.AUDIO_TRACK_SWITCHED, { id: this.trackId });
            }
            this.state = State.IDLE;
          }
          this.tick();
        }
      }
    }, {
      key: 'onError',
      value: function onError(data) {
        var frag = data.frag;
        // don't handle frag error not related to audio fragment
        if (frag && frag.type !== 'audio') {
          return;
        }
        switch (data.details) {
          case _errors.ErrorDetails.FRAG_LOAD_ERROR:
          case _errors.ErrorDetails.FRAG_LOAD_TIMEOUT:
            if (!data.fatal) {
              var loadError = this.fragLoadError;
              if (loadError) {
                loadError++;
              } else {
                loadError = 1;
              }
              var config = this.config;
              if (loadError <= config.fragLoadingMaxRetry) {
                this.fragLoadError = loadError;
                // reset load counter to avoid frag loop loading error
                frag.loadCounter = 0;
                // exponential backoff capped to config.fragLoadingMaxRetryTimeout
                var delay = Math.min(Math.pow(2, loadError - 1) * config.fragLoadingRetryDelay, config.fragLoadingMaxRetryTimeout);
                _logger.logger.warn('audioStreamController: frag loading failed, retry in ' + delay + ' ms');
                this.retryDate = performance.now() + delay;
                // retry loading state
                this.state = State.FRAG_LOADING_WAITING_RETRY;
              } else {
                _logger.logger.error('audioStreamController: ' + data.details + ' reaches max retry, redispatch as fatal ...');
                // switch error to fatal
                data.fatal = true;
                this.state = State.ERROR;
              }
            }
            break;
          case _errors.ErrorDetails.FRAG_LOOP_LOADING_ERROR:
          case _errors.ErrorDetails.AUDIO_TRACK_LOAD_ERROR:
          case _errors.ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT:
          case _errors.ErrorDetails.KEY_LOAD_ERROR:
          case _errors.ErrorDetails.KEY_LOAD_TIMEOUT:
            //  when in ERROR state, don't switch back to IDLE state in case a non-fatal error is received
            if (this.state !== State.ERROR) {
              // if fatal error, stop processing, otherwise move to IDLE to retry loading
              this.state = data.fatal ? State.ERROR : State.IDLE;
              _logger.logger.warn('audioStreamController: ' + data.details + ' while loading frag,switch to ' + this.state + ' state ...');
            }
            break;
          case _errors.ErrorDetails.BUFFER_FULL_ERROR:
            // if in appending state
            if (data.parent === 'audio' && (this.state === State.PARSING || this.state === State.PARSED)) {
              var media = this.mediaBuffer,
                  currentTime = this.media.currentTime,
                  mediaBuffered = media && _bufferHelper2.default.isBuffered(media, currentTime) && _bufferHelper2.default.isBuffered(media, currentTime + 0.5);
              // reduce max buf len if current position is buffered
              if (mediaBuffered) {
                var _config = this.config;
                if (_config.maxMaxBufferLength >= _config.maxBufferLength) {
                  // reduce max buffer length as it might be too high. we do this to avoid loop flushing ...
                  _config.maxMaxBufferLength /= 2;
                  _logger.logger.warn('audio:reduce max buffer length to ' + _config.maxMaxBufferLength + 's');
                  // increase fragment load Index to avoid frag loop loading error after buffer flush
                  this.fragLoadIdx += 2 * _config.fragLoadingLoopThreshold;
                }
                this.state = State.IDLE;
              } else {
                // current position is not buffered, but browser is still complaining about buffer full error
                // this happens on IE/Edge, refer to https://github.com/video-dev/hls.js/pull/708
                // in that case flush the whole audio buffer to recover
                _logger.logger.warn('buffer full error also media.currentTime is not buffered, flush audio buffer');
                this.fragCurrent = null;
                // flush everything
                this.state = State.BUFFER_FLUSHING;
                this.hls.trigger(_events2.default.BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' });
              }
            }
            break;
          default:
            break;
        }
      }
    }, {
      key: 'onBufferFlushed',
      value: function onBufferFlushed() {
        var _this3 = this;
  
        var pendingData = this.pendingData;
        if (pendingData && pendingData.length) {
          _logger.logger.log('appending pending audio data on Buffer Flushed');
          pendingData.forEach(function (appendObj) {
            _this3.hls.trigger(_events2.default.BUFFER_APPENDING, appendObj);
          });
          this.appended = true;
          this.pendingData = [];
          this.state = State.PARSED;
        } else {
          // move to IDLE once flush complete. this should trigger new fragment loading
          this.state = State.IDLE;
          // reset reference to frag
          this.fragPrevious = null;
          this.tick();
        }
      }
    }, {
      key: 'state',
      set: function set(nextState) {
        if (this.state !== nextState) {
          var previousState = this.state;
          this._state = nextState;
          _logger.logger.log('audio stream:' + previousState + '->' + nextState);
        }
      },
      get: function get() {
        return this._state;
      }
    }]);
  
    return AudioStreamController;
  }(_eventHandler2.default);
  
  exports.default = AudioStreamController;
  
  },{"25":25,"33":33,"34":34,"35":35,"37":37,"38":38,"48":48,"53":53,"54":54}],7:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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 _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  var _eventHandler = _dereq_(34);
  
  var _eventHandler2 = _interopRequireDefault(_eventHandler);
  
  var _logger = _dereq_(53);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  function _possibleConstructorReturn(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; }
  
  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); } 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; } /*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  * audio track controller
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 */
  
  var AudioTrackController = function (_EventHandler) {
    _inherits(AudioTrackController, _EventHandler);
  
    function AudioTrackController(hls) {
      _classCallCheck(this, AudioTrackController);
  
      var _this = _possibleConstructorReturn(this, (AudioTrackController.__proto__ || Object.getPrototypeOf(AudioTrackController)).call(this, hls, _events2.default.MANIFEST_LOADING, _events2.default.MANIFEST_LOADED, _events2.default.AUDIO_TRACK_LOADED));
  
      _this.ticks = 0;
      _this.ontick = _this.tick.bind(_this);
      return _this;
    }
  
    _createClass(AudioTrackController, [{
      key: 'destroy',
      value: function destroy() {
        _eventHandler2.default.prototype.destroy.call(this);
      }
    }, {
      key: 'tick',
      value: function tick() {
        this.ticks++;
        if (this.ticks === 1) {
          this.doTick();
          if (this.ticks > 1) {
            setTimeout(this.tick, 1);
          }
          this.ticks = 0;
        }
      }
    }, {
      key: 'doTick',
      value: function doTick() {
        this.updateTrack(this.trackId);
      }
    }, {
      key: 'onManifestLoading',
      value: function onManifestLoading() {
        // reset audio tracks on manifest loading
        this.tracks = [];
        this.trackId = -1;
      }
    }, {
      key: 'onManifestLoaded',
      value: function onManifestLoaded(data) {
        var _this2 = this;
  
        var tracks = data.audioTracks || [];
        var defaultFound = false;
        this.tracks = tracks;
        this.hls.trigger(_events2.default.AUDIO_TRACKS_UPDATED, { audioTracks: tracks });
        // loop through available audio tracks and autoselect default if needed
        var id = 0;
        tracks.forEach(function (track) {
          if (track.default) {
            _this2.audioTrack = id;
            defaultFound = true;
            return;
          }
          id++;
        });
        if (defaultFound === false && tracks.length) {
          _logger.logger.log('no default audio track defined, use first audio track as default');
          this.audioTrack = 0;
        }
      }
    }, {
      key: 'onAudioTrackLoaded',
      value: function onAudioTrackLoaded(data) {
        if (data.id < this.tracks.length) {
          _logger.logger.log('audioTrack ' + data.id + ' loaded');
          this.tracks[data.id].details = data.details;
          // check if current playlist is a live playlist
          if (data.details.live && !this.timer) {
            // if live playlist we will have to reload it periodically
            // set reload period to playlist target duration
            this.timer = setInterval(this.ontick, 1000 * data.details.targetduration);
          }
          if (!data.details.live && this.timer) {
            // playlist is not live and timer is armed : stopping it
            clearInterval(this.timer);
            this.timer = null;
          }
        }
      }
  
      /** get alternate audio tracks list from playlist **/
  
    }, {
      key: 'setAudioTrackInternal',
      value: function setAudioTrackInternal(newId) {
        // check if level idx is valid
        if (newId >= 0 && newId < this.tracks.length) {
          // stopping live reloading timer if any
          if (this.timer) {
            clearInterval(this.timer);
            this.timer = null;
          }
          this.trackId = newId;
          _logger.logger.log('switching to audioTrack ' + newId);
          var audioTrack = this.tracks[newId],
              hls = this.hls,
              type = audioTrack.type,
              url = audioTrack.url,
              eventObj = { id: newId, type: type, url: url };
          // keep AUDIO_TRACK_SWITCH for legacy reason
          hls.trigger(_events2.default.AUDIO_TRACK_SWITCH, eventObj);
          hls.trigger(_events2.default.AUDIO_TRACK_SWITCHING, eventObj);
          // check if we need to load playlist for this audio Track
          var details = audioTrack.details;
          if (url && (details === undefined || details.live === true)) {
            // track not retrieved yet, or live playlist we need to (re)load it
            _logger.logger.log('(re)loading playlist for audioTrack ' + newId);
            hls.trigger(_events2.default.AUDIO_TRACK_LOADING, { url: url, id: newId });
          }
        }
      }
    }, {
      key: 'updateTrack',
      value: function updateTrack(newId) {
        // check if level idx is valid
        if (newId >= 0 && newId < this.tracks.length) {
          // stopping live reloading timer if any
          if (this.timer) {
            clearInterval(this.timer);
            this.timer = null;
          }
          this.trackId = newId;
          _logger.logger.log('updating audioTrack ' + newId);
          var audioTrack = this.tracks[newId],
              url = audioTrack.url;
          // check if we need to load playlist for this audio Track
          var details = audioTrack.details;
          if (url && (details === undefined || details.live === true)) {
            // track not retrieved yet, or live playlist we need to (re)load it
            _logger.logger.log('(re)loading playlist for audioTrack ' + newId);
            this.hls.trigger(_events2.default.AUDIO_TRACK_LOADING, { url: url, id: newId });
          }
        }
      }
    }, {
      key: 'audioTracks',
      get: function get() {
        return this.tracks;
      }
  
      /** get index of the selected audio track (index in audio track lists) **/
  
    }, {
      key: 'audioTrack',
      get: function get() {
        return this.trackId;
      }
  
      /** select an audio track, based on its index in audio track lists**/
      ,
      set: function set(audioTrackId) {
        if (this.trackId !== audioTrackId || this.tracks[audioTrackId].details === undefined) {
          this.setAudioTrackInternal(audioTrackId);
        }
      }
    }]);
  
    return AudioTrackController;
  }(_eventHandler2.default);
  
  exports.default = AudioTrackController;
  
  },{"34":34,"35":35,"53":53}],8:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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 _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  var _eventHandler = _dereq_(34);
  
  var _eventHandler2 = _interopRequireDefault(_eventHandler);
  
  var _logger = _dereq_(53);
  
  var _errors = _dereq_(33);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  function _possibleConstructorReturn(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; }
  
  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); } 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; } /*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  * Buffer Controller
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 */
  
  var BufferController = function (_EventHandler) {
    _inherits(BufferController, _EventHandler);
  
    function BufferController(hls) {
      _classCallCheck(this, BufferController);
  
      // the value that we have set mediasource.duration to
      // (the actual duration may be tweaked slighly by the browser)
      var _this = _possibleConstructorReturn(this, (BufferController.__proto__ || Object.getPrototypeOf(BufferController)).call(this, hls, _events2.default.MEDIA_ATTACHING, _events2.default.MEDIA_DETACHING, _events2.default.MANIFEST_PARSED, _events2.default.BUFFER_RESET, _events2.default.BUFFER_APPENDING, _events2.default.BUFFER_CODECS, _events2.default.BUFFER_EOS, _events2.default.BUFFER_FLUSHING, _events2.default.LEVEL_PTS_UPDATED, _events2.default.LEVEL_UPDATED));
  
      _this._msDuration = null;
      // the value that we want to set mediaSource.duration to
      _this._levelDuration = null;
  
      // Source Buffer listeners
      _this.onsbue = _this.onSBUpdateEnd.bind(_this);
      _this.onsbe = _this.onSBUpdateError.bind(_this);
      _this.pendingTracks = {};
      _this.tracks = {};
      return _this;
    }
  
    _createClass(BufferController, [{
      key: 'destroy',
      value: function destroy() {
        _eventHandler2.default.prototype.destroy.call(this);
      }
    }, {
      key: 'onLevelPtsUpdated',
      value: function onLevelPtsUpdated(data) {
        var type = data.type;
        var audioTrack = this.tracks.audio;
  
        // Adjusting `SourceBuffer.timestampOffset` (desired point in the timeline where the next frames should be appended)
        // in Chrome browser when we detect MPEG audio container and time delta between level PTS and `SourceBuffer.timestampOffset`
        // is greater than 100ms (this is enough to handle seek for VOD or level change for LIVE videos). At the time of change we issue
        // `SourceBuffer.abort()` and adjusting `SourceBuffer.timestampOffset` if `SourceBuffer.updating` is false or awaiting `updateend`
        // event if SB is in updating state.
        // More info here: https://github.com/video-dev/hls.js/issues/332#issuecomment-257986486
  
        if (type === 'audio' && audioTrack && audioTrack.container === 'audio/mpeg') {
          // Chrome audio mp3 track
          var audioBuffer = this.sourceBuffer.audio;
          var delta = Math.abs(audioBuffer.timestampOffset - data.start);
  
          // adjust timestamp offset if time delta is greater than 100ms
          if (delta > 0.1) {
            var updating = audioBuffer.updating;
  
            try {
              audioBuffer.abort();
            } catch (err) {
              updating = true;
              _logger.logger.warn('can not abort audio buffer: ' + err);
            }
  
            if (!updating) {
              _logger.logger.warn('change mpeg audio timestamp offset from ' + audioBuffer.timestampOffset + ' to ' + data.start);
              audioBuffer.timestampOffset = data.start;
            } else {
              this.audioTimestampOffset = data.start;
            }
          }
        }
      }
    }, {
      key: 'onManifestParsed',
      value: function onManifestParsed(data) {
        var audioExpected = data.audio,
            videoExpected = data.video,
            sourceBufferNb = 0;
        // in case of alt audio 2 BUFFER_CODECS events will be triggered, one per stream controller
        // sourcebuffers will be created all at once when the expected nb of tracks will be reached
        // in case alt audio is not used, only one BUFFER_CODEC event will be fired from main stream controller
        // it will contain the expected nb of source buffers, no need to compute it
        if (data.altAudio && (audioExpected || videoExpected)) {
          sourceBufferNb = (audioExpected ? 1 : 0) + (videoExpected ? 1 : 0);
          _logger.logger.log(sourceBufferNb + ' sourceBuffer(s) expected');
        }
        this.sourceBufferNb = sourceBufferNb;
      }
    }, {
      key: 'onMediaAttaching',
      value: function onMediaAttaching(data) {
        var media = this.media = data.media;
        if (media) {
          // setup the media source
          var ms = this.mediaSource = new MediaSource();
          //Media Source listeners
          this.onmso = this.onMediaSourceOpen.bind(this);
          this.onmse = this.onMediaSourceEnded.bind(this);
          this.onmsc = this.onMediaSourceClose.bind(this);
          ms.addEventListener('sourceopen', this.onmso);
          ms.addEventListener('sourceended', this.onmse);
          ms.addEventListener('sourceclose', this.onmsc);
          // link video and media Source
          media.src = URL.createObjectURL(ms);
        }
      }
    }, {
      key: 'onMediaDetaching',
      value: function onMediaDetaching() {
        _logger.logger.log('media source detaching');
        var ms = this.mediaSource;
        if (ms) {
          if (ms.readyState === 'open') {
            try {
              // endOfStream could trigger exception if any sourcebuffer is in updating state
              // we don't really care about checking sourcebuffer state here,
              // as we are anyway detaching the MediaSource
              // let's just avoid this exception to propagate
              ms.endOfStream();
            } catch (err) {
              _logger.logger.warn('onMediaDetaching:' + err.message + ' while calling endOfStream');
            }
          }
          ms.removeEventListener('sourceopen', this.onmso);
          ms.removeEventListener('sourceended', this.onmse);
          ms.removeEventListener('sourceclose', this.onmsc);
  
          // Detach properly the MediaSource from the HTMLMediaElement as
          // suggested in https://github.com/w3c/media-source/issues/53.
          if (this.media) {
            URL.revokeObjectURL(this.media.src);
            this.media.removeAttribute('src');
            this.media.load();
          }
  
          this.mediaSource = null;
          this.media = null;
          this.pendingTracks = {};
          this.tracks = {};
          this.sourceBuffer = {};
          this.flushRange = [];
          this.segments = [];
          this.appended = 0;
        }
        this.onmso = this.onmse = this.onmsc = null;
        this.hls.trigger(_events2.default.MEDIA_DETACHED);
      }
    }, {
      key: 'onMediaSourceOpen',
      value: function onMediaSourceOpen() {
        _logger.logger.log('media source opened');
        this.hls.trigger(_events2.default.MEDIA_ATTACHED, { media: this.media });
        var mediaSource = this.mediaSource;
        if (mediaSource) {
          // once received, don't listen anymore to sourceopen event
          mediaSource.removeEventListener('sourceopen', this.onmso);
        }
        this.checkPendingTracks();
      }
    }, {
      key: 'checkPendingTracks',
      value: function checkPendingTracks() {
        // if any buffer codecs pending, check if we have enough to create sourceBuffers
        var pendingTracks = this.pendingTracks,
            pendingTracksNb = Object.keys(pendingTracks).length;
        // if any pending tracks and (if nb of pending tracks gt or equal than expected nb or if unknown expected nb)
        if (pendingTracksNb && (this.sourceBufferNb <= pendingTracksNb || this.sourceBufferNb === 0)) {
          // ok, let's create them now !
          this.createSourceBuffers(pendingTracks);
          this.pendingTracks = {};
          // append any pending segments now !
          this.doAppending();
        }
      }
    }, {
      key: 'onMediaSourceClose',
      value: function onMediaSourceClose() {
        _logger.logger.log('media source closed');
      }
    }, {
      key: 'onMediaSourceEnded',
      value: function onMediaSourceEnded() {
        _logger.logger.log('media source ended');
      }
    }, {
      key: 'onSBUpdateEnd',
      value: function onSBUpdateEnd() {
        // update timestampOffset
        if (this.audioTimestampOffset) {
          var audioBuffer = this.sourceBuffer.audio;
          _logger.logger.warn('change mpeg audio timestamp offset from ' + audioBuffer.timestampOffset + ' to ' + this.audioTimestampOffset);
          audioBuffer.timestampOffset = this.audioTimestampOffset;
          delete this.audioTimestampOffset;
        }
  
        if (this._needsFlush) {
          this.doFlush();
        }
  
        if (this._needsEos) {
          this.checkEos();
        }
        this.appending = false;
        var parent = this.parent;
        // count nb of pending segments waiting for appending on this sourcebuffer
        var pending = this.segments.reduce(function (counter, segment) {
          return segment.parent === parent ? counter + 1 : counter;
        }, 0);
        this.hls.trigger(_events2.default.BUFFER_APPENDED, { parent: parent, pending: pending });
  
        // don't append in flushing mode
        if (!this._needsFlush) {
          this.doAppending();
        }
  
        this.updateMediaElementDuration();
      }
    }, {
      key: 'onSBUpdateError',
      value: function onSBUpdateError(event) {
        _logger.logger.error('sourceBuffer error:', event);
        // according to http://www.w3.org/TR/media-source/#sourcebuffer-append-error
        // this error might not always be fatal (it is fatal if decode error is set, in that case
        // it will be followed by a mediaElement error ...)
        this.hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.BUFFER_APPENDING_ERROR, fatal: false });
        // we don't need to do more than that, as accordin to the spec, updateend will be fired just after
      }
    }, {
      key: 'onBufferReset',
      value: function onBufferReset() {
        var sourceBuffer = this.sourceBuffer;
        for (var type in sourceBuffer) {
          var sb = sourceBuffer[type];
          try {
            this.mediaSource.removeSourceBuffer(sb);
            sb.removeEventListener('updateend', this.onsbue);
            sb.removeEventListener('error', this.onsbe);
          } catch (err) {}
        }
        this.sourceBuffer = {};
        this.flushRange = [];
        this.segments = [];
        this.appended = 0;
      }
    }, {
      key: 'onBufferCodecs',
      value: function onBufferCodecs(tracks) {
        // if source buffer(s) not created yet, appended buffer tracks in this.pendingTracks
        // if sourcebuffers already created, do nothing ...
        if (Object.keys(this.sourceBuffer).length === 0) {
          for (var trackName in tracks) {
            this.pendingTracks[trackName] = tracks[trackName];
          }
          var mediaSource = this.mediaSource;
          if (mediaSource && mediaSource.readyState === 'open') {
            // try to create sourcebuffers if mediasource opened
            this.checkPendingTracks();
          }
        }
      }
    }, {
      key: 'createSourceBuffers',
      value: function createSourceBuffers(tracks) {
        var sourceBuffer = this.sourceBuffer,
            mediaSource = this.mediaSource;
  
        for (var trackName in tracks) {
          if (!sourceBuffer[trackName]) {
            var track = tracks[trackName];
            // use levelCodec as first priority
            var codec = track.levelCodec || track.codec;
            var mimeType = track.container + ';codecs=' + codec;
            _logger.logger.log('creating sourceBuffer(' + mimeType + ')');
            try {
              var sb = sourceBuffer[trackName] = mediaSource.addSourceBuffer(mimeType);
              sb.addEventListener('updateend', this.onsbue);
              sb.addEventListener('error', this.onsbe);
              this.tracks[trackName] = { codec: codec, container: track.container };
              track.buffer = sb;
            } catch (err) {
              _logger.logger.error('error while trying to add sourceBuffer:' + err.message);
              this.hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.BUFFER_ADD_CODEC_ERROR, fatal: false, err: err, mimeType: mimeType });
            }
          }
        }
        this.hls.trigger(_events2.default.BUFFER_CREATED, { tracks: tracks });
      }
    }, {
      key: 'onBufferAppending',
      value: function onBufferAppending(data) {
        if (!this._needsFlush) {
          if (!this.segments) {
            this.segments = [data];
          } else {
            this.segments.push(data);
          }
          this.doAppending();
        }
      }
    }, {
      key: 'onBufferAppendFail',
      value: function onBufferAppendFail(data) {
        _logger.logger.error('sourceBuffer error:', data.event);
        // according to http://www.w3.org/TR/media-source/#sourcebuffer-append-error
        // this error might not always be fatal (it is fatal if decode error is set, in that case
        // it will be followed by a mediaElement error ...)
        this.hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.BUFFER_APPENDING_ERROR, fatal: false });
      }
  
      // on BUFFER_EOS mark matching sourcebuffer(s) as ended and trigger checkEos()
  
    }, {
      key: 'onBufferEos',
      value: function onBufferEos(data) {
        var sb = this.sourceBuffer;
        var dataType = data.type;
        for (var type in sb) {
          if (!dataType || type === dataType) {
            if (!sb[type].ended) {
              sb[type].ended = true;
              _logger.logger.log(type + ' sourceBuffer now EOS');
            }
          }
        }
        this.checkEos();
      }
  
      // if all source buffers are marked as ended, signal endOfStream() to MediaSource.
  
    }, {
      key: 'checkEos',
      value: function checkEos() {
        var sb = this.sourceBuffer,
            mediaSource = this.mediaSource;
        if (!mediaSource || mediaSource.readyState !== 'open') {
          this._needsEos = false;
          return;
        }
        for (var type in sb) {
          var sbobj = sb[type];
          if (!sbobj.ended) {
            return;
          }
          if (sbobj.updating) {
            this._needsEos = true;
            return;
          }
        }
        _logger.logger.log('all media data available, signal endOfStream() to MediaSource and stop loading fragment');
        //Notify the media element that it now has all of the media data
        try {
          mediaSource.endOfStream();
        } catch (e) {
          _logger.logger.warn('exception while calling mediaSource.endOfStream()');
        }
        this._needsEos = false;
      }
    }, {
      key: 'onBufferFlushing',
      value: function onBufferFlushing(data) {
        this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: data.type });
        // attempt flush immediatly
        this.flushBufferCounter = 0;
        this.doFlush();
      }
    }, {
      key: 'onLevelUpdated',
      value: function onLevelUpdated(event) {
        var details = event.details;
        if (details.fragments.length === 0) {
          return;
        }
        this._levelDuration = details.totalduration + details.fragments[0].start;
        this.updateMediaElementDuration();
      }
  
      // https://github.com/video-dev/hls.js/issues/355
  
    }, {
      key: 'updateMediaElementDuration',
      value: function updateMediaElementDuration() {
        var media = this.media,
            mediaSource = this.mediaSource,
            sourceBuffer = this.sourceBuffer,
            levelDuration = this._levelDuration;
        if (levelDuration === null || !media || !mediaSource || !sourceBuffer || media.readyState === 0 || mediaSource.readyState !== 'open') {
          return;
        }
        for (var type in sourceBuffer) {
          if (sourceBuffer[type].updating) {
            // can't set duration whilst a buffer is updating
            return;
          }
        }
        if (this._msDuration === null) {
          // initialise to the value that the media source is reporting
          this._msDuration = mediaSource.duration;
        }
        var duration = media.duration;
        // levelDuration was the last value we set.
        // not using mediaSource.duration as the browser may tweak this value
        // only update mediasource duration if its value increase, this is to avoid
        // flushing already buffered portion when switching between quality level
        if (levelDuration > this._msDuration && levelDuration > duration || duration === Infinity || isNaN(duration)) {
          _logger.logger.log('Updating mediasource duration to ' + levelDuration.toFixed(3));
          this._msDuration = mediaSource.duration = levelDuration;
        }
      }
    }, {
      key: 'doFlush',
      value: function doFlush() {
        // loop through all buffer ranges to flush
        while (this.flushRange.length) {
          var range = this.flushRange[0];
          // flushBuffer will abort any buffer append in progress and flush Audio/Video Buffer
          if (this.flushBuffer(range.start, range.end, range.type)) {
            // range flushed, remove from flush array
            this.flushRange.shift();
            this.flushBufferCounter = 0;
          } else {
            this._needsFlush = true;
            // avoid looping, wait for SB update end to retrigger a flush
            return;
          }
        }
        if (this.flushRange.length === 0) {
          // everything flushed
          this._needsFlush = false;
  
          // let's recompute this.appended, which is used to avoid flush looping
          var appended = 0;
          var sourceBuffer = this.sourceBuffer;
          try {
            for (var type in sourceBuffer) {
              appended += sourceBuffer[type].buffered.length;
            }
          } catch (error) {
            // error could be thrown while accessing buffered, in case sourcebuffer has already been removed from MediaSource
            // this is harmess at this stage, catch this to avoid reporting an internal exception
            _logger.logger.error('error while accessing sourceBuffer.buffered');
          }
          this.appended = appended;
          this.hls.trigger(_events2.default.BUFFER_FLUSHED);
        }
      }
    }, {
      key: 'doAppending',
      value: function doAppending() {
        var hls = this.hls,
            sourceBuffer = this.sourceBuffer,
            segments = this.segments;
        if (Object.keys(sourceBuffer).length) {
          if (this.media.error) {
            this.segments = [];
            _logger.logger.error('trying to append although a media error occured, flush segment and abort');
            return;
          }
          if (this.appending) {
            //logger.log(`sb appending in progress`);
            return;
          }
          if (segments && segments.length) {
            var segment = segments.shift();
            try {
              var type = segment.type,
                  sb = sourceBuffer[type];
              if (sb) {
                if (!sb.updating) {
                  // reset sourceBuffer ended flag before appending segment
                  sb.ended = false;
                  //logger.log(`appending ${segment.content} ${type} SB, size:${segment.data.length}, ${segment.parent}`);
                  this.parent = segment.parent;
                  sb.appendBuffer(segment.data);
                  this.appendError = 0;
                  this.appended++;
                  this.appending = true;
                } else {
                  segments.unshift(segment);
                }
              } else {
                // in case we don't have any source buffer matching with this segment type,
                // it means that Mediasource fails to create sourcebuffer
                // discard this segment, and trigger update end
                this.onSBUpdateEnd();
              }
            } catch (err) {
              // in case any error occured while appending, put back segment in segments table
              _logger.logger.error('error while trying to append buffer:' + err.message);
              segments.unshift(segment);
              var event = { type: _errors.ErrorTypes.MEDIA_ERROR, parent: segment.parent };
              if (err.code !== 22) {
                if (this.appendError) {
                  this.appendError++;
                } else {
                  this.appendError = 1;
                }
                event.details = _errors.ErrorDetails.BUFFER_APPEND_ERROR;
                /* with UHD content, we could get loop of quota exceeded error until
                  browser is able to evict some data from sourcebuffer. retrying help recovering this
                */
                if (this.appendError > hls.config.appendErrorMaxRetry) {
                  _logger.logger.log('fail ' + hls.config.appendErrorMaxRetry + ' times to append segment in sourceBuffer');
                  segments = [];
                  event.fatal = true;
                  hls.trigger(_events2.default.ERROR, event);
                  return;
                } else {
                  event.fatal = false;
                  hls.trigger(_events2.default.ERROR, event);
                }
              } else {
                // QuotaExceededError: http://www.w3.org/TR/html5/infrastructure.html#quotaexceedederror
                // let's stop appending any segments, and report BUFFER_FULL_ERROR error
                this.segments = [];
                event.details = _errors.ErrorDetails.BUFFER_FULL_ERROR;
                event.fatal = false;
                hls.trigger(_events2.default.ERROR, event);
                return;
              }
            }
          }
        }
      }
  
      /*
        flush specified buffered range,
        return true once range has been flushed.
        as sourceBuffer.remove() is asynchronous, flushBuffer will be retriggered on sourceBuffer update end
      */
  
    }, {
      key: 'flushBuffer',
      value: function flushBuffer(startOffset, endOffset, typeIn) {
        var sb,
            i,
            bufStart,
            bufEnd,
            flushStart,
            flushEnd,
            sourceBuffer = this.sourceBuffer;
        if (Object.keys(sourceBuffer).length) {
          _logger.logger.log('flushBuffer,pos/start/end: ' + this.media.currentTime.toFixed(3) + '/' + startOffset + '/' + endOffset);
          // safeguard to avoid infinite looping : don't try to flush more than the nb of appended segments
          if (this.flushBufferCounter < this.appended) {
            for (var type in sourceBuffer) {
              // check if sourcebuffer type is defined (typeIn): if yes, let's only flush this one
              // if no, let's flush all sourcebuffers
              if (typeIn && type !== typeIn) {
                continue;
              }
              sb = sourceBuffer[type];
              // we are going to flush buffer, mark source buffer as 'not ended'
              sb.ended = false;
              if (!sb.updating) {
                try {
                  for (i = 0; i < sb.buffered.length; i++) {
                    bufStart = sb.buffered.start(i);
                    bufEnd = sb.buffered.end(i);
                    // workaround firefox not able to properly flush multiple buffered range.
                    if (navigator.userAgent.toLowerCase().indexOf('firefox') !== -1 && endOffset === Number.POSITIVE_INFINITY) {
                      flushStart = startOffset;
                      flushEnd = endOffset;
                    } else {
                      flushStart = Math.max(bufStart, startOffset);
                      flushEnd = Math.min(bufEnd, endOffset);
                    }
                    /* sometimes sourcebuffer.remove() does not flush
                       the exact expected time range.
                       to avoid rounding issues/infinite loop,
                       only flush buffer range of length greater than 500ms.
                    */
                    if (Math.min(flushEnd, bufEnd) - flushStart > 0.5) {
                      this.flushBufferCounter++;
                      _logger.logger.log('flush ' + type + ' [' + flushStart + ',' + flushEnd + '], of [' + bufStart + ',' + bufEnd + '], pos:' + this.media.currentTime);
                      sb.remove(flushStart, flushEnd);
                      return false;
                    }
                  }
                } catch (e) {
                  _logger.logger.warn('exception while accessing sourcebuffer, it might have been removed from MediaSource');
                }
              } else {
                //logger.log('abort ' + type + ' append in progress');
                // this will abort any appending in progress
                //sb.abort();
                _logger.logger.warn('cannot flush, sb updating in progress');
                return false;
              }
            }
          } else {
            _logger.logger.warn('abort flushing too many retries');
          }
          _logger.logger.log('buffer flushed');
        }
        // everything flushed !
        return true;
      }
    }]);
  
    return BufferController;
  }(_eventHandler2.default);
  
  exports.default = BufferController;
  
  },{"33":33,"34":34,"35":35,"53":53}],9:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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 _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  var _eventHandler = _dereq_(34);
  
  var _eventHandler2 = _interopRequireDefault(_eventHandler);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  function _possibleConstructorReturn(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; }
  
  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); } 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; } /*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  * cap stream level to media size dimension controller
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 */
  
  var CapLevelController = function (_EventHandler) {
    _inherits(CapLevelController, _EventHandler);
  
    function CapLevelController(hls) {
      _classCallCheck(this, CapLevelController);
  
      return _possibleConstructorReturn(this, (CapLevelController.__proto__ || Object.getPrototypeOf(CapLevelController)).call(this, hls, _events2.default.FPS_DROP_LEVEL_CAPPING, _events2.default.MEDIA_ATTACHING, _events2.default.MANIFEST_PARSED));
    }
  
    _createClass(CapLevelController, [{
      key: 'destroy',
      value: function destroy() {
        if (this.hls.config.capLevelToPlayerSize) {
          this.media = this.restrictedLevels = null;
          this.autoLevelCapping = Number.POSITIVE_INFINITY;
          if (this.timer) {
            this.timer = clearInterval(this.timer);
          }
        }
      }
    }, {
      key: 'onFpsDropLevelCapping',
      value: function onFpsDropLevelCapping(data) {
        if (!this.restrictedLevels) {
          this.restrictedLevels = [];
        }
        if (!this.isLevelRestricted(data.droppedLevel)) {
          this.restrictedLevels.push(data.droppedLevel);
        }
      }
    }, {
      key: 'onMediaAttaching',
      value: function onMediaAttaching(data) {
        this.media = data.media instanceof HTMLVideoElement ? data.media : null;
      }
    }, {
      key: 'onManifestParsed',
      value: function onManifestParsed(data) {
        var hls = this.hls;
        if (hls.config.capLevelToPlayerSize) {
          this.autoLevelCapping = Number.POSITIVE_INFINITY;
          this.levels = data.levels;
          hls.firstLevel = this.getMaxLevel(data.firstLevel);
          clearInterval(this.timer);
          this.timer = setInterval(this.detectPlayerSize.bind(this), 1000);
          this.detectPlayerSize();
        }
      }
    }, {
      key: 'detectPlayerSize',
      value: function detectPlayerSize() {
        if (this.media) {
          var levelsLength = this.levels ? this.levels.length : 0;
          if (levelsLength) {
            var hls = this.hls;
            hls.autoLevelCapping = this.getMaxLevel(levelsLength - 1);
            if (hls.autoLevelCapping > this.autoLevelCapping) {
              // if auto level capping has a higher value for the previous one, flush the buffer using nextLevelSwitch
              // usually happen when the user go to the fullscreen mode.
              hls.streamController.nextLevelSwitch();
            }
            this.autoLevelCapping = hls.autoLevelCapping;
          }
        }
      }
  
      /*
      * returns level should be the one with the dimensions equal or greater than the media (player) dimensions (so the video will be downscaled)
      */
  
    }, {
      key: 'getMaxLevel',
      value: function getMaxLevel(capLevelIndex) {
        var result = 0,
            i = void 0,
            level = void 0,
            mWidth = this.mediaWidth,
            mHeight = this.mediaHeight,
            lWidth = 0,
            lHeight = 0;
  
        for (i = 0; i <= capLevelIndex; i++) {
          level = this.levels[i];
          if (this.isLevelRestricted(i)) {
            break;
          }
          result = i;
          lWidth = level.width;
          lHeight = level.height;
          if (mWidth <= lWidth || mHeight <= lHeight) {
            break;
          }
        }
        return result;
      }
    }, {
      key: 'isLevelRestricted',
      value: function isLevelRestricted(level) {
        return this.restrictedLevels && this.restrictedLevels.indexOf(level) !== -1 ? true : false;
      }
    }, {
      key: 'contentScaleFactor',
      get: function get() {
        var pixelRatio = 1;
        try {
          pixelRatio = window.devicePixelRatio;
        } catch (e) {}
        return pixelRatio;
      }
    }, {
      key: 'mediaWidth',
      get: function get() {
        var width = void 0;
        var media = this.media;
        if (media) {
          width = media.width || media.clientWidth || media.offsetWidth;
          width *= this.contentScaleFactor;
        }
        return width;
      }
    }, {
      key: 'mediaHeight',
      get: function get() {
        var height = void 0;
        var media = this.media;
        if (media) {
          height = media.height || media.clientHeight || media.offsetHeight;
          height *= this.contentScaleFactor;
        }
        return height;
      }
    }]);
  
    return CapLevelController;
  }(_eventHandler2.default);
  
  exports.default = CapLevelController;
  
  },{"34":34,"35":35}],10:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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 _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  var _eventHandler = _dereq_(34);
  
  var _eventHandler2 = _interopRequireDefault(_eventHandler);
  
  var _logger = _dereq_(53);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  function _possibleConstructorReturn(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; }
  
  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); } 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; } /*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  * FPS Controller
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 */
  
  var FPSController = function (_EventHandler) {
    _inherits(FPSController, _EventHandler);
  
    function FPSController(hls) {
      _classCallCheck(this, FPSController);
  
      return _possibleConstructorReturn(this, (FPSController.__proto__ || Object.getPrototypeOf(FPSController)).call(this, hls, _events2.default.MEDIA_ATTACHING));
    }
  
    _createClass(FPSController, [{
      key: 'destroy',
      value: function destroy() {
        if (this.timer) {
          clearInterval(this.timer);
        }
        this.isVideoPlaybackQualityAvailable = false;
      }
    }, {
      key: 'onMediaAttaching',
      value: function onMediaAttaching(data) {
        var config = this.hls.config;
        if (config.capLevelOnFPSDrop) {
          var video = this.video = data.media instanceof HTMLVideoElement ? data.media : null;
          if (typeof video.getVideoPlaybackQuality === 'function') {
            this.isVideoPlaybackQualityAvailable = true;
          }
          clearInterval(this.timer);
          this.timer = setInterval(this.checkFPSInterval.bind(this), config.fpsDroppedMonitoringPeriod);
        }
      }
    }, {
      key: 'checkFPS',
      value: function checkFPS(video, decodedFrames, droppedFrames) {
        var currentTime = performance.now();
        if (decodedFrames) {
          if (this.lastTime) {
            var currentPeriod = currentTime - this.lastTime,
                currentDropped = droppedFrames - this.lastDroppedFrames,
                currentDecoded = decodedFrames - this.lastDecodedFrames,
                droppedFPS = 1000 * currentDropped / currentPeriod,
                hls = this.hls;
            hls.trigger(_events2.default.FPS_DROP, { currentDropped: currentDropped, currentDecoded: currentDecoded, totalDroppedFrames: droppedFrames });
            if (droppedFPS > 0) {
              //logger.log('checkFPS : droppedFPS/decodedFPS:' + droppedFPS/(1000 * currentDecoded / currentPeriod));
              if (currentDropped > hls.config.fpsDroppedMonitoringThreshold * currentDecoded) {
                var currentLevel = hls.currentLevel;
                _logger.logger.warn('drop FPS ratio greater than max allowed value for currentLevel: ' + currentLevel);
                if (currentLevel > 0 && (hls.autoLevelCapping === -1 || hls.autoLevelCapping >= currentLevel)) {
                  currentLevel = currentLevel - 1;
                  hls.trigger(_events2.default.FPS_DROP_LEVEL_CAPPING, { level: currentLevel, droppedLevel: hls.currentLevel });
                  hls.autoLevelCapping = currentLevel;
                  hls.streamController.nextLevelSwitch();
                }
              }
            }
          }
          this.lastTime = currentTime;
          this.lastDroppedFrames = droppedFrames;
          this.lastDecodedFrames = decodedFrames;
        }
      }
    }, {
      key: 'checkFPSInterval',
      value: function checkFPSInterval() {
        var video = this.video;
        if (video) {
          if (this.isVideoPlaybackQualityAvailable) {
            var videoPlaybackQuality = video.getVideoPlaybackQuality();
            this.checkFPS(video, videoPlaybackQuality.totalVideoFrames, videoPlaybackQuality.droppedVideoFrames);
          } else {
            this.checkFPS(video, video.webkitDecodedFrameCount, video.webkitDroppedFrameCount);
          }
        }
      }
    }]);
  
    return FPSController;
  }(_eventHandler2.default);
  
  exports.default = FPSController;
  
  },{"34":34,"35":35,"53":53}],11:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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 _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  var _eventHandler = _dereq_(34);
  
  var _eventHandler2 = _interopRequireDefault(_eventHandler);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  function _possibleConstructorReturn(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; }
  
  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); } 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; } /*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  * id3 metadata track controller
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 */
  
  var ID3TrackController = function (_EventHandler) {
    _inherits(ID3TrackController, _EventHandler);
  
    function ID3TrackController(hls) {
      _classCallCheck(this, ID3TrackController);
  
      var _this = _possibleConstructorReturn(this, (ID3TrackController.__proto__ || Object.getPrototypeOf(ID3TrackController)).call(this, hls, _events2.default.MEDIA_ATTACHED, _events2.default.MEDIA_DETACHING, _events2.default.FRAG_PARSING_METADATA));
  
      _this.id3Track = undefined;
      _this.media = undefined;
      return _this;
    }
  
    _createClass(ID3TrackController, [{
      key: 'destroy',
      value: function destroy() {
        _eventHandler2.default.prototype.destroy.call(this);
      }
  
      // Add ID3 metatadata text track.
  
    }, {
      key: 'onMediaAttached',
      value: function onMediaAttached(data) {
        this.media = data.media;
        if (!this.media) {
          return;
        }
  
        this.id3Track = this.media.addTextTrack('metadata', 'id3');
        this.id3Track.mode = 'hidden';
      }
    }, {
      key: 'onMediaDetaching',
      value: function onMediaDetaching() {
        this.media = undefined;
      }
    }, {
      key: 'onFragParsingMetadata',
      value: function onFragParsingMetadata(data) {
        var fragment = data.frag;
        var samples = data.samples;
        var startTime = fragment.start;
        var endTime = fragment.start + fragment.duration;
        // Give a slight bump to the endTime if it's equal to startTime to avoid a SyntaxError in IE
        if (startTime === endTime) {
          endTime += 0.0001;
        }
  
        // Attempt to recreate Safari functionality by creating
        // WebKitDataCue objects when available and store the decoded
        // ID3 data in the value property of the cue
        var Cue = window.WebKitDataCue || window.VTTCue || window.TextTrackCue;
  
        for (var i = 0; i < samples.length; i++) {
          var id3Frame = this.parseID3Frame(samples[i].data);
          var frame = this.decodeID3Frame(id3Frame);
          if (frame) {
            var cue = new Cue(startTime, endTime, '');
            cue.value = frame;
            this.id3Track.addCue(cue);
          }
        }
      }
    }, {
      key: 'parseID3Frame',
      value: function parseID3Frame(data) {
        if (data.length < 21) {
          return undefined;
        }
  
        /* http://id3.org/id3v2.3.0
        [0]     = 'I'
        [1]     = 'D'
        [2]     = '3'
        [3,4]   = {Version}
        [5]     = {Flags}
        [6-9]   = {ID3 Size}
        [10-13] = {Frame ID}
        [14-17] = {Frame Size}
        [18,19] = {Frame Flags}
        */
        if (data[0] === 73 && // I
        data[1] === 68 && // D
        data[2] === 51) {
          // 3
  
          var type = String.fromCharCode(data[10], data[11], data[12], data[13]);
          data = data.subarray(20);
          return { type: type, data: data };
        }
      }
    }, {
      key: 'decodeID3Frame',
      value: function decodeID3Frame(frame) {
        if (frame.type === 'TXXX') {
          return this.decodeTxxxFrame(frame);
        } else if (frame.type === 'PRIV') {
          return this.decodePrivFrame(frame);
        } else if (frame.type[0] === 'T') {
          return this.decodeTextFrame(frame);
        } else {
          return undefined;
        }
      }
    }, {
      key: 'decodeTxxxFrame',
      value: function decodeTxxxFrame(frame) {
        /*
        Format:
        [0]   = {Text Encoding}
        [1-?] = {Description}\0{Value}
        */
  
        if (frame.size < 2) {
          return undefined;
        }
  
        if (frame.data[0] !== 3) {
          //only support UTF-8
          return undefined;
        }
  
        var index = 1;
        var description = this.utf8ArrayToStr(frame.data.subarray(index));
  
        index += description.length + 1;
        var value = this.utf8ArrayToStr(frame.data.subarray(index));
  
        return { key: 'TXXX', description: description, data: value };
      }
    }, {
      key: 'decodeTextFrame',
      value: function decodeTextFrame(frame) {
        /*
        Format:
        [0]   = {Text Encoding}
        [1-?] = {Value}
        */
  
        if (frame.size < 2) {
          return undefined;
        }
  
        if (frame.data[0] !== 3) {
          //only support UTF-8
          return undefined;
        }
  
        var data = frame.data.subarray(1);
        return { key: frame.type, data: this.utf8ArrayToStr(data) };
      }
    }, {
      key: 'decodePrivFrame',
      value: function decodePrivFrame(frame) {
        /*
        Format: <text string>\0<binary data>
        */
  
        if (frame.size < 2) {
          return undefined;
        }
  
        var owner = this.utf8ArrayToStr(frame.data);
        var privateData = frame.data.subarray(owner.length + 1);
  
        return { key: 'PRIV', info: owner, data: privateData.buffer };
      }
  
      // http://stackoverflow.com/questions/8936984/uint8array-to-string-in-javascript/22373197
      // http://www.onicos.com/staff/iz/amuse/javascript/expert/utf.txt
      /* utf.js - UTF-8 <=> UTF-16 convertion
       *
       * Copyright (C) 1999 Masanao Izumo <iz@onicos.co.jp>
       * Version: 1.0
       * LastModified: Dec 25 1999
       * This library is free.  You can redistribute it and/or modify it.
       */
  
    }, {
      key: 'utf8ArrayToStr',
      value: function utf8ArrayToStr(array) {
  
        var char2 = void 0;
        var char3 = void 0;
        var out = '';
        var i = 0;
        var length = array.length;
  
        while (i < length) {
          var c = array[i++];
          switch (c >> 4) {
            case 0:
              return out;
            case 1:case 2:case 3:case 4:case 5:case 6:case 7:
              // 0xxxxxxx
              out += String.fromCharCode(c);
              break;
            case 12:case 13:
              // 110x xxxx   10xx xxxx
              char2 = array[i++];
              out += String.fromCharCode((c & 0x1F) << 6 | char2 & 0x3F);
              break;
            case 14:
              // 1110 xxxx  10xx xxxx  10xx xxxx
              char2 = array[i++];
              char3 = array[i++];
              out += String.fromCharCode((c & 0x0F) << 12 | (char2 & 0x3F) << 6 | (char3 & 0x3F) << 0);
              break;
          }
        }
  
        return out;
      }
    }]);
  
    return ID3TrackController;
  }(_eventHandler2.default);
  
  exports.default = ID3TrackController;
  
  },{"34":34,"35":35}],12:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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 _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  var _eventHandler = _dereq_(34);
  
  var _eventHandler2 = _interopRequireDefault(_eventHandler);
  
  var _logger = _dereq_(53);
  
  var _errors = _dereq_(33);
  
  var _bufferHelper = _dereq_(37);
  
  var _bufferHelper2 = _interopRequireDefault(_bufferHelper);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  function _possibleConstructorReturn(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; }
  
  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); } 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; } /*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  * Level Controller
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 */
  
  var LevelController = function (_EventHandler) {
    _inherits(LevelController, _EventHandler);
  
    function LevelController(hls) {
      _classCallCheck(this, LevelController);
  
      var _this = _possibleConstructorReturn(this, (LevelController.__proto__ || Object.getPrototypeOf(LevelController)).call(this, hls, _events2.default.MANIFEST_LOADED, _events2.default.LEVEL_LOADED, _events2.default.FRAG_LOADED, _events2.default.ERROR));
  
      _this.ontick = _this.tick.bind(_this);
      _this._manualLevel = -1;
      return _this;
    }
  
    _createClass(LevelController, [{
      key: 'destroy',
      value: function destroy() {
        if (this.timer) {
          clearTimeout(this.timer);
          this.timer = null;
        }
        this._manualLevel = -1;
      }
    }, {
      key: 'startLoad',
      value: function startLoad() {
        this.canload = true;
        var levels = this._levels;
        // clean up live level details to force reload them, and reset load errors
        if (levels) {
          levels.forEach(function (level) {
            level.loadError = 0;
            var levelDetails = level.details;
            if (levelDetails && levelDetails.live) {
              level.details = undefined;
            }
          });
        }
        // speed up live playlist refresh if timer exists
        if (this.timer) {
          this.tick();
        }
      }
    }, {
      key: 'stopLoad',
      value: function stopLoad() {
        this.canload = false;
      }
    }, {
      key: 'onManifestLoaded',
      value: function onManifestLoaded(data) {
        var levels0 = [],
            levels = [],
            bitrateStart,
            bitrateSet = {},
            videoCodecFound = false,
            audioCodecFound = false,
            hls = this.hls,
            brokenmp4inmp3 = /chrome|firefox/.test(navigator.userAgent.toLowerCase()),
            checkSupported = function checkSupported(type, codec) {
          return MediaSource.isTypeSupported(type + '/mp4;codecs=' + codec);
        };
  
        // regroup redundant level together
        data.levels.forEach(function (level) {
          if (level.videoCodec) {
            videoCodecFound = true;
          }
          // erase audio codec info if browser does not support mp4a.40.34. demuxer will autodetect codec and fallback to mpeg/audio
          if (brokenmp4inmp3 && level.audioCodec && level.audioCodec.indexOf('mp4a.40.34') !== -1) {
            level.audioCodec = undefined;
          }
          if (level.audioCodec || level.attrs && level.attrs.AUDIO) {
            audioCodecFound = true;
          }
          var redundantLevelId = bitrateSet[level.bitrate];
          if (redundantLevelId === undefined) {
            bitrateSet[level.bitrate] = levels0.length;
            level.url = [level.url];
            level.urlId = 0;
            levels0.push(level);
          } else {
            levels0[redundantLevelId].url.push(level.url);
          }
        });
  
        // remove audio-only level if we also have levels with audio+video codecs signalled
        if (videoCodecFound && audioCodecFound) {
          levels0.forEach(function (level) {
            if (level.videoCodec) {
              levels.push(level);
            }
          });
        } else {
          levels = levels0;
        }
        // only keep level with supported audio/video codecs
        levels = levels.filter(function (level) {
          var audioCodec = level.audioCodec,
              videoCodec = level.videoCodec;
          return (!audioCodec || checkSupported('audio', audioCodec)) && (!videoCodec || checkSupported('video', videoCodec));
        });
  
        if (levels.length) {
          // start bitrate is the first bitrate of the manifest
          bitrateStart = levels[0].bitrate;
          // sort level on bitrate
          levels.sort(function (a, b) {
            return a.bitrate - b.bitrate;
          });
          this._levels = levels;
          // find index of first level in sorted levels
          for (var i = 0; i < levels.length; i++) {
            if (levels[i].bitrate === bitrateStart) {
              this._firstLevel = i;
              _logger.logger.log('manifest loaded,' + levels.length + ' level(s) found, first bitrate:' + bitrateStart);
              break;
            }
          }
          hls.trigger(_events2.default.MANIFEST_PARSED, { levels: levels, firstLevel: this._firstLevel, stats: data.stats, audio: audioCodecFound, video: videoCodecFound, altAudio: data.audioTracks.length > 0 });
        } else {
          hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.MANIFEST_INCOMPATIBLE_CODECS_ERROR, fatal: true, url: hls.url, reason: 'no level with compatible codecs found in manifest' });
        }
        return;
      }
    }, {
      key: 'setLevelInternal',
      value: function setLevelInternal(newLevel) {
        var levels = this._levels;
        var hls = this.hls;
        // check if level idx is valid
        if (newLevel >= 0 && newLevel < levels.length) {
          // stopping live reloading timer if any
          if (this.timer) {
            clearTimeout(this.timer);
            this.timer = null;
          }
          if (this._level !== newLevel) {
            _logger.logger.log('switching to level ' + newLevel);
            this._level = newLevel;
            var levelProperties = levels[newLevel];
            levelProperties.level = newLevel;
            // LEVEL_SWITCH to be deprecated in next major release
            hls.trigger(_events2.default.LEVEL_SWITCH, levelProperties);
            hls.trigger(_events2.default.LEVEL_SWITCHING, levelProperties);
          }
          var level = levels[newLevel],
              levelDetails = level.details;
          // check if we need to load playlist for this level
          if (!levelDetails || levelDetails.live === true) {
            // level not retrieved yet, or live playlist we need to (re)load it
            var urlId = level.urlId;
            hls.trigger(_events2.default.LEVEL_LOADING, { url: level.url[urlId], level: newLevel, id: urlId });
          }
        } else {
          // invalid level id given, trigger error
          hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.OTHER_ERROR, details: _errors.ErrorDetails.LEVEL_SWITCH_ERROR, level: newLevel, fatal: false, reason: 'invalid level idx' });
        }
      }
    }, {
      key: 'onError',
      value: function onError(data) {
        if (data.fatal) {
          return;
        }
  
        var details = data.details,
            hls = this.hls,
            levelId = void 0,
            level = void 0,
            levelError = false;
        // try to recover not fatal errors
        switch (details) {
          case _errors.ErrorDetails.FRAG_LOAD_ERROR:
          case _errors.ErrorDetails.FRAG_LOAD_TIMEOUT:
          case _errors.ErrorDetails.FRAG_LOOP_LOADING_ERROR:
          case _errors.ErrorDetails.KEY_LOAD_ERROR:
          case _errors.ErrorDetails.KEY_LOAD_TIMEOUT:
            levelId = data.frag.level;
            break;
          case _errors.ErrorDetails.LEVEL_LOAD_ERROR:
          case _errors.ErrorDetails.LEVEL_LOAD_TIMEOUT:
            levelId = data.context.level;
            levelError = true;
            break;
          case _errors.ErrorDetails.REMUX_ALLOC_ERROR:
            levelId = data.level;
            break;
          default:
            break;
        }
        /* try to switch to a redundant stream if any available.
         * if no redundant stream available, emergency switch down (if in auto mode and current level not 0)
         * otherwise, we cannot recover this network error ...
         */
        if (levelId !== undefined) {
          level = this._levels[levelId];
          if (!level.loadError) {
            level.loadError = 1;
          } else {
            level.loadError++;
          }
          // if any redundant streams available and if we haven't try them all (level.loadError is reseted on successful frag/level load.
          // if level.loadError reaches nbRedundantLevel it means that we tried them all, no hope  => let's switch down
          var nbRedundantLevel = level.url.length;
          if (nbRedundantLevel > 1 && level.loadError < nbRedundantLevel) {
            level.urlId = (level.urlId + 1) % nbRedundantLevel;
            level.details = undefined;
            _logger.logger.warn('level controller,' + details + ' for level ' + levelId + ': switching to redundant stream id ' + level.urlId);
          } else {
            // we could try to recover if in auto mode and current level not lowest level (0)
            var recoverable = this._manualLevel === -1 && levelId;
            if (recoverable) {
              _logger.logger.warn('level controller,' + details + ': switch-down for next fragment');
              hls.nextAutoLevel = Math.max(0, levelId - 1);
            } else if (level && level.details && level.details.live) {
              _logger.logger.warn('level controller,' + details + ' on live stream, discard');
              if (levelError) {
                // reset this._level so that another call to set level() will retrigger a frag load
                this._level = undefined;
              }
              // other errors are handled by stream controller
            } else if (details === _errors.ErrorDetails.LEVEL_LOAD_ERROR || details === _errors.ErrorDetails.LEVEL_LOAD_TIMEOUT) {
              var media = hls.media,
  
              // 0.5 : tolerance needed as some browsers stalls playback before reaching buffered end
              mediaBuffered = media && _bufferHelper2.default.isBuffered(media, media.currentTime) && _bufferHelper2.default.isBuffered(media, media.currentTime + 0.5);
              if (mediaBuffered) {
                var retryDelay = hls.config.levelLoadingRetryDelay;
                _logger.logger.warn('level controller,' + details + ', but media buffered, retry in ' + retryDelay + 'ms');
                this.timer = setTimeout(this.ontick, retryDelay);
                // boolean used to inform stream controller not to switch back to IDLE on non fatal error
                data.levelRetry = true;
              } else {
                _logger.logger.error('cannot recover ' + details + ' error');
                this._level = undefined;
                // stopping live reloading timer if any
                if (this.timer) {
                  clearTimeout(this.timer);
                  this.timer = null;
                }
                // switch error to fatal
                data.fatal = true;
              }
            }
          }
        }
      }
  
      // reset level load error counter on successful frag loaded
  
    }, {
      key: 'onFragLoaded',
      value: function onFragLoaded(data) {
        var fragLoaded = data.frag;
        if (fragLoaded && fragLoaded.type === 'main') {
          var level = this._levels[fragLoaded.level];
          if (level) {
            level.loadError = 0;
          }
        }
      }
    }, {
      key: 'onLevelLoaded',
      value: function onLevelLoaded(data) {
        var levelId = data.level;
        // only process level loaded events matching with expected level
        if (levelId === this._level) {
          var curLevel = this._levels[levelId];
          // reset level load error counter on successful level loaded
          curLevel.loadError = 0;
          var newDetails = data.details;
          // if current playlist is a live playlist, arm a timer to reload it
          if (newDetails.live) {
            var reloadInterval = 1000 * (newDetails.averagetargetduration ? newDetails.averagetargetduration : newDetails.targetduration),
                curDetails = curLevel.details;
            if (curDetails && newDetails.endSN === curDetails.endSN) {
              // follow HLS Spec, If the client reloads a Playlist file and finds that it has not
              // changed then it MUST wait for a period of one-half the target
              // duration before retrying.
              reloadInterval /= 2;
              _logger.logger.log('same live playlist, reload twice faster');
            }
            // decrement reloadInterval with level loading delay
            reloadInterval -= performance.now() - data.stats.trequest;
            // in any case, don't reload more than every second
            reloadInterval = Math.max(1000, Math.round(reloadInterval));
            _logger.logger.log('live playlist, reload in ' + reloadInterval + ' ms');
            this.timer = setTimeout(this.ontick, reloadInterval);
          } else {
            this.timer = null;
          }
        }
      }
    }, {
      key: 'tick',
      value: function tick() {
        var levelId = this._level;
        if (levelId !== undefined && this.canload) {
          var level = this._levels[levelId];
          if (level && level.url) {
            var urlId = level.urlId;
            this.hls.trigger(_events2.default.LEVEL_LOADING, { url: level.url[urlId], level: levelId, id: urlId });
          }
        }
      }
    }, {
      key: 'levels',
      get: function get() {
        return this._levels;
      }
    }, {
      key: 'level',
      get: function get() {
        return this._level;
      },
      set: function set(newLevel) {
        var levels = this._levels;
        if (levels && levels.length > newLevel) {
          if (this._level !== newLevel || levels[newLevel].details === undefined) {
            this.setLevelInternal(newLevel);
          }
        }
      }
    }, {
      key: 'manualLevel',
      get: function get() {
        return this._manualLevel;
      },
      set: function set(newLevel) {
        this._manualLevel = newLevel;
        if (this._startLevel === undefined) {
          this._startLevel = newLevel;
        }
        if (newLevel !== -1) {
          this.level = newLevel;
        }
      }
    }, {
      key: 'firstLevel',
      get: function get() {
        return this._firstLevel;
      },
      set: function set(newLevel) {
        this._firstLevel = newLevel;
      }
    }, {
      key: 'startLevel',
      get: function get() {
        // hls.startLevel takes precedence over config.startLevel
        // if none of these values are defined, fallback on this._firstLevel (first quality level appearing in variant manifest)
        if (this._startLevel === undefined) {
          var configStartLevel = this.hls.config.startLevel;
          if (configStartLevel !== undefined) {
            return configStartLevel;
          } else {
            return this._firstLevel;
          }
        } else {
          return this._startLevel;
        }
      },
      set: function set(newLevel) {
        this._startLevel = newLevel;
      }
    }, {
      key: 'nextLoadLevel',
      get: function get() {
        if (this._manualLevel !== -1) {
          return this._manualLevel;
        } else {
          return this.hls.nextAutoLevel;
        }
      },
      set: function set(nextLevel) {
        this.level = nextLevel;
        if (this._manualLevel === -1) {
          this.hls.nextAutoLevel = nextLevel;
        }
      }
    }]);
  
    return LevelController;
  }(_eventHandler2.default);
  
  exports.default = LevelController;
  
  },{"33":33,"34":34,"35":35,"37":37,"53":53}],13:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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 _binarySearch = _dereq_(48);
  
  var _binarySearch2 = _interopRequireDefault(_binarySearch);
  
  var _bufferHelper = _dereq_(37);
  
  var _bufferHelper2 = _interopRequireDefault(_bufferHelper);
  
  var _demuxer = _dereq_(25);
  
  var _demuxer2 = _interopRequireDefault(_demuxer);
  
  var _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  var _eventHandler = _dereq_(34);
  
  var _eventHandler2 = _interopRequireDefault(_eventHandler);
  
  var _levelHelper = _dereq_(38);
  
  var _levelHelper2 = _interopRequireDefault(_levelHelper);
  
  var _timeRanges = _dereq_(54);
  
  var _timeRanges2 = _interopRequireDefault(_timeRanges);
  
  var _errors = _dereq_(33);
  
  var _logger = _dereq_(53);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  function _possibleConstructorReturn(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; }
  
  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); } 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; } /*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  * Stream Controller
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 */
  
  var State = {
    STOPPED: 'STOPPED',
    IDLE: 'IDLE',
    KEY_LOADING: 'KEY_LOADING',
    FRAG_LOADING: 'FRAG_LOADING',
    FRAG_LOADING_WAITING_RETRY: 'FRAG_LOADING_WAITING_RETRY',
    WAITING_LEVEL: 'WAITING_LEVEL',
    PARSING: 'PARSING',
    PARSED: 'PARSED',
    BUFFER_FLUSHING: 'BUFFER_FLUSHING',
    ENDED: 'ENDED',
    ERROR: 'ERROR'
  };
  
  var StreamController = function (_EventHandler) {
    _inherits(StreamController, _EventHandler);
  
    function StreamController(hls) {
      _classCallCheck(this, StreamController);
  
      var _this = _possibleConstructorReturn(this, (StreamController.__proto__ || Object.getPrototypeOf(StreamController)).call(this, hls, _events2.default.MEDIA_ATTACHED, _events2.default.MEDIA_DETACHING, _events2.default.MANIFEST_LOADING, _events2.default.MANIFEST_PARSED, _events2.default.LEVEL_LOADED, _events2.default.KEY_LOADED, _events2.default.FRAG_LOADED, _events2.default.FRAG_LOAD_EMERGENCY_ABORTED, _events2.default.FRAG_PARSING_INIT_SEGMENT, _events2.default.FRAG_PARSING_DATA, _events2.default.FRAG_PARSED, _events2.default.ERROR, _events2.default.AUDIO_TRACK_SWITCHING, _events2.default.AUDIO_TRACK_SWITCHED, _events2.default.BUFFER_CREATED, _events2.default.BUFFER_APPENDED, _events2.default.BUFFER_FLUSHED));
  
      _this.config = hls.config;
      _this.audioCodecSwap = false;
      _this.ticks = 0;
      _this._state = State.STOPPED;
      _this.ontick = _this.tick.bind(_this);
      return _this;
    }
  
    _createClass(StreamController, [{
      key: 'destroy',
      value: function destroy() {
        this.stopLoad();
        if (this.timer) {
          clearInterval(this.timer);
          this.timer = null;
        }
        _eventHandler2.default.prototype.destroy.call(this);
        this.state = State.STOPPED;
      }
    }, {
      key: 'startLoad',
      value: function startLoad(startPosition) {
        if (this.levels) {
          var lastCurrentTime = this.lastCurrentTime,
              hls = this.hls;
          this.stopLoad();
          if (!this.timer) {
            this.timer = setInterval(this.ontick, 100);
          }
          this.level = -1;
          this.fragLoadError = 0;
          if (!this.startFragRequested) {
            // determine load level
            var startLevel = hls.startLevel;
            if (startLevel === -1) {
              // -1 : guess start Level by doing a bitrate test by loading first fragment of lowest quality level
              startLevel = 0;
              this.bitrateTest = true;
            }
            // set new level to playlist loader : this will trigger start level load
            // hls.nextLoadLevel remains until it is set to a new value or until a new frag is successfully loaded
            this.level = hls.nextLoadLevel = startLevel;
            this.loadedmetadata = false;
          }
          // if startPosition undefined but lastCurrentTime set, set startPosition to last currentTime
          if (lastCurrentTime > 0 && startPosition === -1) {
            _logger.logger.log('override startPosition with lastCurrentTime @' + lastCurrentTime.toFixed(3));
            startPosition = lastCurrentTime;
          }
          this.state = State.IDLE;
          this.nextLoadPosition = this.startPosition = this.lastCurrentTime = startPosition;
          this.tick();
        } else {
          this.forceStartLoad = true;
          this.state = State.STOPPED;
        }
      }
    }, {
      key: 'stopLoad',
      value: function stopLoad() {
        var frag = this.fragCurrent;
        if (frag) {
          if (frag.loader) {
            frag.loader.abort();
          }
          this.fragCurrent = null;
        }
        this.fragPrevious = null;
        if (this.demuxer) {
          this.demuxer.destroy();
          this.demuxer = null;
        }
        this.state = State.STOPPED;
        this.forceStartLoad = false;
      }
    }, {
      key: 'tick',
      value: function tick() {
        this.ticks++;
        if (this.ticks === 1) {
          this.doTick();
          if (this.ticks > 1) {
            setTimeout(this.tick, 1);
          }
          this.ticks = 0;
        }
      }
    }, {
      key: 'doTick',
      value: function doTick() {
        switch (this.state) {
          case State.ERROR:
            //don't do anything in error state to avoid breaking further ...
            break;
          case State.BUFFER_FLUSHING:
            // in buffer flushing state, reset fragLoadError counter
            this.fragLoadError = 0;
            break;
          case State.IDLE:
            this._doTickIdle();
            break;
          case State.WAITING_LEVEL:
            var level = this.levels[this.level];
            // check if playlist is already loaded
            if (level && level.details) {
              this.state = State.IDLE;
            }
            break;
          case State.FRAG_LOADING_WAITING_RETRY:
            var now = performance.now();
            var retryDate = this.retryDate;
            // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading
            if (!retryDate || now >= retryDate || this.media && this.media.seeking) {
              _logger.logger.log('mediaController: retryDate reached, switch back to IDLE state');
              this.state = State.IDLE;
            }
            break;
          case State.ERROR:
          case State.STOPPED:
          case State.FRAG_LOADING:
          case State.PARSING:
          case State.PARSED:
          case State.ENDED:
            break;
          default:
            break;
        }
        // check buffer
        this._checkBuffer();
        // check/update current fragment
        this._checkFragmentChanged();
      }
  
      // Ironically the "idle" state is the on we do the most logic in it seems ....
      // NOTE: Maybe we could rather schedule a check for buffer length after half of the currently
      //       played segment, or on pause/play/seek instead of naively checking every 100ms?
  
    }, {
      key: '_doTickIdle',
      value: function _doTickIdle() {
        var hls = this.hls,
            config = hls.config,
            media = this.media;
  
        // if video not attached AND
        // start fragment already requested OR start frag prefetch disable
        // exit loop
        // => if start level loaded and media not attached but start frag prefetch is enabled and start frag not requested yet, we will not exit loop
        if (this.levelLastLoaded !== undefined && !media && (this.startFragRequested || !config.startFragPrefetch)) {
          return;
        }
  
        // if we have not yet loaded any fragment, start loading from start position
        var pos = void 0;
        if (this.loadedmetadata) {
          pos = media.currentTime;
        } else {
          pos = this.nextLoadPosition;
        }
        // determine next load level
        var level = hls.nextLoadLevel,
            levelInfo = this.levels[level];
  
        if (!levelInfo) {
          return;
        }
  
        var levelBitrate = levelInfo.bitrate,
            maxBufLen = void 0;
  
        // compute max Buffer Length that we could get from this load level, based on level bitrate. don't buffer more than 60 MB and more than 30s
        if (levelBitrate) {
          maxBufLen = Math.max(8 * config.maxBufferSize / levelBitrate, config.maxBufferLength);
        } else {
          maxBufLen = config.maxBufferLength;
        }
        maxBufLen = Math.min(maxBufLen, config.maxMaxBufferLength);
  
        // determine next candidate fragment to be loaded, based on current position and end of buffer position
        // ensure up to `config.maxMaxBufferLength` of buffer upfront
  
        var bufferInfo = _bufferHelper2.default.bufferInfo(this.mediaBuffer ? this.mediaBuffer : media, pos, config.maxBufferHole),
            bufferLen = bufferInfo.len;
        // Stay idle if we are still with buffer margins
        if (bufferLen >= maxBufLen) {
          return;
        }
  
        // if buffer length is less than maxBufLen try to load a new fragment ...
        _logger.logger.trace('buffer length of ' + bufferLen.toFixed(3) + ' is below max of ' + maxBufLen.toFixed(3) + '. checking for more payload ...');
  
        // set next load level : this will trigger a playlist load if needed
        this.level = hls.nextLoadLevel = level;
  
        var levelDetails = levelInfo.details;
        // if level info not retrieved yet, switch state and wait for level retrieval
        // if live playlist, ensure that new playlist has been refreshed to avoid loading/try to load
        // a useless and outdated fragment (that might even introduce load error if it is already out of the live playlist)
        if (typeof levelDetails === 'undefined' || levelDetails.live && this.levelLastLoaded !== level) {
          this.state = State.WAITING_LEVEL;
          return;
        }
  
        // we just got done loading the final fragment, check if we need to finalize media stream
        var fragPrevious = this.fragPrevious;
        if (!levelDetails.live && fragPrevious && fragPrevious.sn === levelDetails.endSN) {
          // fragPrevious is last fragment. retrieve level duration using last frag start offset + duration
          // real duration might be lower than initial duration if there are drifts between real frag duration and playlist signaling
          var duration = Math.min(media.duration, fragPrevious.start + fragPrevious.duration);
          // if everything (almost) til the end is buffered, let's signal eos
          // we don't compare exactly media.duration === bufferInfo.end as there could be some subtle media duration difference (audio/video offsets...)
          // tolerate up to one frag duration to cope with these cases.
          // also cope with almost zero last frag duration (max last frag duration with 200ms) refer to https://github.com/video-dev/hls.js/pull/657
          if (duration - Math.max(bufferInfo.end, fragPrevious.start) <= Math.max(0.2, fragPrevious.duration)) {
            // Finalize the media stream
            var data = {};
            if (this.altAudio) {
              data.type = 'video';
            }
            this.hls.trigger(_events2.default.BUFFER_EOS, data);
            this.state = State.ENDED;
            return;
          }
        }
  
        // if we have the levelDetails for the selected variant, lets continue enrichen our stream (load keys/fragments or trigger EOS, etc..)
        this._fetchPayloadOrEos(pos, bufferInfo, levelDetails);
      }
    }, {
      key: '_fetchPayloadOrEos',
      value: function _fetchPayloadOrEos(pos, bufferInfo, levelDetails) {
        var fragPrevious = this.fragPrevious,
            level = this.level,
            fragments = levelDetails.fragments,
            fragLen = fragments.length;
  
        // empty playlist
        if (fragLen === 0) {
          return;
        }
  
        // find fragment index, contiguous with end of buffer position
        var start = fragments[0].start,
            end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration,
            bufferEnd = bufferInfo.end,
            frag = void 0;
  
        if (levelDetails.initSegment && !levelDetails.initSegment.data) {
          frag = levelDetails.initSegment;
        } else {
          // in case of live playlist we need to ensure that requested position is not located before playlist start
          if (levelDetails.live) {
            var initialLiveManifestSize = this.config.initialLiveManifestSize;
            if (fragLen < initialLiveManifestSize) {
              _logger.logger.warn('Can not start playback of a level, reason: not enough fragments ' + fragLen + ' < ' + initialLiveManifestSize);
              return;
            }
  
            frag = this._ensureFragmentAtLivePoint(levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen);
            // if it explicitely returns null don't load any fragment and exit function now
            if (frag === null) {
              return;
            }
          } else {
            // VoD playlist: if bufferEnd before start of playlist, load first fragment
            if (bufferEnd < start) {
              frag = fragments[0];
            }
          }
        }
        if (!frag) {
          frag = this._findFragment(start, fragPrevious, fragLen, fragments, bufferEnd, end, levelDetails);
        }
        if (frag) {
          this._loadFragmentOrKey(frag, level, levelDetails, pos, bufferEnd);
        }
        return;
      }
    }, {
      key: '_ensureFragmentAtLivePoint',
      value: function _ensureFragmentAtLivePoint(levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen) {
        var config = this.hls.config,
            media = this.media;
  
        var frag = void 0;
  
        // check if requested position is within seekable boundaries :
        //logger.log(`start/pos/bufEnd/seeking:${start.toFixed(3)}/${pos.toFixed(3)}/${bufferEnd.toFixed(3)}/${this.media.seeking}`);
        var maxLatency = config.liveMaxLatencyDuration !== undefined ? config.liveMaxLatencyDuration : config.liveMaxLatencyDurationCount * levelDetails.targetduration;
  
        if (bufferEnd < Math.max(start - config.maxFragLookUpTolerance, end - maxLatency)) {
          var liveSyncPosition = this.liveSyncPosition = this.computeLivePosition(start, levelDetails);
          _logger.logger.log('buffer end: ' + bufferEnd.toFixed(3) + ' is located too far from the end of live sliding playlist, reset currentTime to : ' + liveSyncPosition.toFixed(3));
          bufferEnd = liveSyncPosition;
          if (media && media.readyState && media.duration > liveSyncPosition) {
            media.currentTime = liveSyncPosition;
          }
        }
  
        // if end of buffer greater than live edge, don't load any fragment
        // this could happen if live playlist intermittently slides in the past.
        // level 1 loaded [182580161,182580167]
        // level 1 loaded [182580162,182580169]
        // Loading 182580168 of [182580162 ,182580169],level 1 ..
        // Loading 182580169 of [182580162 ,182580169],level 1 ..
        // level 1 loaded [182580162,182580168] <============= here we should have bufferEnd > end. in that case break to avoid reloading 182580168
        // level 1 loaded [182580164,182580171]
        //
        // don't return null in case media not loaded yet (readystate === 0)
        if (levelDetails.PTSKnown && bufferEnd > end && media && media.readyState) {
          return null;
        }
  
        if (this.startFragRequested && !levelDetails.PTSKnown) {
          /* we are switching level on live playlist, but we don't have any PTS info for that quality level ...
             try to load frag matching with next SN.
             even if SN are not synchronized between playlists, loading this frag will help us
             compute playlist sliding and find the right one after in case it was not the right consecutive one */
          if (fragPrevious) {
            var targetSN = fragPrevious.sn + 1;
            if (targetSN >= levelDetails.startSN && targetSN <= levelDetails.endSN) {
              frag = fragments[targetSN - levelDetails.startSN];
              _logger.logger.log('live playlist, switching playlist, load frag with next SN: ' + frag.sn);
            }
          }
          if (!frag) {
            /* we have no idea about which fragment should be loaded.
               so let's load mid fragment. it will help computing playlist sliding and find the right one
            */
            frag = fragments[Math.min(fragLen - 1, Math.round(fragLen / 2))];
            _logger.logger.log('live playlist, switching playlist, unknown, load middle frag : ' + frag.sn);
          }
        }
        return frag;
      }
    }, {
      key: '_findFragment',
      value: function _findFragment(start, fragPrevious, fragLen, fragments, bufferEnd, end, levelDetails) {
        var config = this.hls.config;
        var frag = void 0;
        var foundFrag = void 0;
        var maxFragLookUpTolerance = config.maxFragLookUpTolerance;
        var fragNext = fragPrevious ? fragments[fragPrevious.sn - fragments[0].sn + 1] : undefined;
        var fragmentWithinToleranceTest = function fragmentWithinToleranceTest(candidate) {
          // offset should be within fragment boundary - config.maxFragLookUpTolerance
          // this is to cope with situations like
          // bufferEnd = 9.991
          // frag[Ø] : [0,10]
          // frag[1] : [10,20]
          // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here
          //              frag start               frag start+duration
          //                  |-----------------------------|
          //              <--->                         <--->
          //  ...--------><-----------------------------><---------....
          // previous frag         matching fragment         next frag
          //  return -1             return 0                 return 1
          //logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`);
          // Set the lookup tolerance to be small enough to detect the current segment - ensures we don't skip over very small segments
          var candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration);
          if (candidate.start + candidate.duration - candidateLookupTolerance <= bufferEnd) {
            return 1;
          } // if maxFragLookUpTolerance will have negative value then don't return -1 for first element
          else if (candidate.start - candidateLookupTolerance > bufferEnd && candidate.start) {
              return -1;
            }
          return 0;
        };
  
        if (bufferEnd < end) {
          if (bufferEnd > end - maxFragLookUpTolerance) {
            maxFragLookUpTolerance = 0;
          }
          // Prefer the next fragment if it's within tolerance
          if (fragNext && !fragmentWithinToleranceTest(fragNext)) {
            foundFrag = fragNext;
          } else {
            foundFrag = _binarySearch2.default.search(fragments, fragmentWithinToleranceTest);
          }
        } else {
          // reach end of playlist
          foundFrag = fragments[fragLen - 1];
        }
        if (foundFrag) {
          frag = foundFrag;
          var curSNIdx = frag.sn - levelDetails.startSN;
          var sameLevel = fragPrevious && frag.level === fragPrevious.level;
          var prevFrag = fragments[curSNIdx - 1];
          var nextFrag = fragments[curSNIdx + 1];
          //logger.log('find SN matching with pos:' +  bufferEnd + ':' + frag.sn);
          if (fragPrevious && frag.sn === fragPrevious.sn) {
            if (sameLevel && !frag.backtracked) {
              if (frag.sn < levelDetails.endSN) {
                var deltaPTS = fragPrevious.deltaPTS;
                // if there is a significant delta between audio and video, larger than max allowed hole,
                // and if previous remuxed fragment did not start with a keyframe. (fragPrevious.dropped)
                // let's try to load previous fragment again to get last keyframe
                // then we will reload again current fragment (that way we should be able to fill the buffer hole ...)
                if (deltaPTS && deltaPTS > config.maxBufferHole && fragPrevious.dropped && curSNIdx) {
                  frag = prevFrag;
                  _logger.logger.warn('SN just loaded, with large PTS gap between audio and video, maybe frag is not starting with a keyframe ? load previous one to try to overcome this');
                  // decrement previous frag load counter to avoid frag loop loading error when next fragment will get reloaded
                  fragPrevious.loadCounter--;
                } else {
                  frag = nextFrag;
                  _logger.logger.log('SN just loaded, load next one: ' + frag.sn);
                }
              } else {
                frag = null;
              }
            } else if (frag.backtracked) {
              // Only backtrack a max of 1 consecutive fragment to prevent sliding back too far when little or no frags start with keyframes
              if (nextFrag && nextFrag.backtracked) {
                _logger.logger.warn('Already backtracked from fragment ' + nextFrag.sn + ', will not backtrack to fragment ' + frag.sn + '. Loading fragment ' + nextFrag.sn);
                frag = nextFrag;
              } else {
                // If a fragment has dropped frames and it's in a same level/sequence, load the previous fragment to try and find the keyframe
                // Reset the dropped count now since it won't be reset until we parse the fragment again, which prevents infinite backtracking on the same segment
                _logger.logger.warn('Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe');
                frag.dropped = 0;
                if (prevFrag) {
                  if (prevFrag.loadCounter) {
                    prevFrag.loadCounter--;
                  }
                  frag = prevFrag;
                  frag.backtracked = true;
                } else {
                  frag = null;
                }
              }
            }
          }
        }
        return frag;
      }
    }, {
      key: '_loadFragmentOrKey',
      value: function _loadFragmentOrKey(frag, level, levelDetails, pos, bufferEnd) {
        var hls = this.hls,
            config = hls.config;
  
        //logger.log('loading frag ' + i +',pos/bufEnd:' + pos.toFixed(3) + '/' + bufferEnd.toFixed(3));
        if (frag.decryptdata && frag.decryptdata.uri != null && frag.decryptdata.key == null) {
          _logger.logger.log('Loading key for ' + frag.sn + ' of [' + levelDetails.startSN + ' ,' + levelDetails.endSN + '],level ' + level);
          this.state = State.KEY_LOADING;
          hls.trigger(_events2.default.KEY_LOADING, { frag: frag });
        } else {
          _logger.logger.log('Loading ' + frag.sn + ' of [' + levelDetails.startSN + ' ,' + levelDetails.endSN + '],level ' + level + ', currentTime:' + pos.toFixed(3) + ',bufferEnd:' + bufferEnd.toFixed(3));
          // ensure that we are not reloading the same fragments in loop ...
          if (this.fragLoadIdx !== undefined) {
            this.fragLoadIdx++;
          } else {
            this.fragLoadIdx = 0;
          }
          if (frag.loadCounter) {
            frag.loadCounter++;
            var maxThreshold = config.fragLoadingLoopThreshold;
            // if this frag has already been loaded 3 times, and if it has been reloaded recently
            if (frag.loadCounter > maxThreshold && Math.abs(this.fragLoadIdx - frag.loadIdx) < maxThreshold) {
              hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.FRAG_LOOP_LOADING_ERROR, fatal: false, frag: frag });
              return;
            }
          } else {
            frag.loadCounter = 1;
          }
          frag.loadIdx = this.fragLoadIdx;
          this.fragCurrent = frag;
          this.startFragRequested = true;
          if (!isNaN(frag.sn)) {
            this.nextLoadPosition = frag.start + frag.duration;
          }
          frag.autoLevel = hls.autoLevelEnabled;
          frag.bitrateTest = this.bitrateTest;
          hls.trigger(_events2.default.FRAG_LOADING, { frag: frag });
          // lazy demuxer init, as this could take some time ... do it during frag loading
          if (!this.demuxer) {
            this.demuxer = new _demuxer2.default(hls, 'main');
          }
          this.state = State.FRAG_LOADING;
          return;
        }
      }
    }, {
      key: 'getBufferedFrag',
      value: function getBufferedFrag(position) {
        return _binarySearch2.default.search(this._bufferedFrags, function (frag) {
          if (position < frag.startPTS) {
            return -1;
          } else if (position > frag.endPTS) {
            return 1;
          }
          return 0;
        });
      }
    }, {
      key: 'followingBufferedFrag',
      value: function followingBufferedFrag(frag) {
        if (frag) {
          // try to get range of next fragment (500ms after this range)
          return this.getBufferedFrag(frag.endPTS + 0.5);
        }
        return null;
      }
    }, {
      key: '_checkFragmentChanged',
      value: function _checkFragmentChanged() {
        var fragPlayingCurrent,
            currentTime,
            video = this.media;
        if (video && video.readyState && video.seeking === false) {
          currentTime = video.currentTime;
          /* if video element is in seeked state, currentTime can only increase.
            (assuming that playback rate is positive ...)
            As sometimes currentTime jumps back to zero after a
            media decode error, check this, to avoid seeking back to
            wrong position after a media decode error
          */
          if (currentTime > video.playbackRate * this.lastCurrentTime) {
            this.lastCurrentTime = currentTime;
          }
          if (_bufferHelper2.default.isBuffered(video, currentTime)) {
            fragPlayingCurrent = this.getBufferedFrag(currentTime);
          } else if (_bufferHelper2.default.isBuffered(video, currentTime + 0.1)) {
            /* ensure that FRAG_CHANGED event is triggered at startup,
              when first video frame is displayed and playback is paused.
              add a tolerance of 100ms, in case current position is not buffered,
              check if current pos+100ms is buffered and use that buffer range
              for FRAG_CHANGED event reporting */
            fragPlayingCurrent = this.getBufferedFrag(currentTime + 0.1);
          }
          if (fragPlayingCurrent) {
            var fragPlaying = fragPlayingCurrent;
            if (fragPlaying !== this.fragPlaying) {
              this.hls.trigger(_events2.default.FRAG_CHANGED, { frag: fragPlaying });
              var fragPlayingLevel = fragPlaying.level;
              if (!this.fragPlaying || this.fragPlaying.level !== fragPlayingLevel) {
                this.hls.trigger(_events2.default.LEVEL_SWITCHED, { level: fragPlayingLevel });
              }
              this.fragPlaying = fragPlaying;
            }
          }
        }
      }
  
      /*
        on immediate level switch :
         - pause playback if playing
         - cancel any pending load request
         - and trigger a buffer flush
      */
  
    }, {
      key: 'immediateLevelSwitch',
      value: function immediateLevelSwitch() {
        _logger.logger.log('immediateLevelSwitch');
        if (!this.immediateSwitch) {
          this.immediateSwitch = true;
          var media = this.media,
              previouslyPaused = void 0;
          if (media) {
            previouslyPaused = media.paused;
            media.pause();
          } else {
            // don't restart playback after instant level switch in case media not attached
            previouslyPaused = true;
          }
          this.previouslyPaused = previouslyPaused;
        }
        var fragCurrent = this.fragCurrent;
        if (fragCurrent && fragCurrent.loader) {
          fragCurrent.loader.abort();
        }
        this.fragCurrent = null;
        // increase fragment load Index to avoid frag loop loading error after buffer flush
        this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold;
        // flush everything
        this.flushMainBuffer(0, Number.POSITIVE_INFINITY);
      }
  
      /*
         on immediate level switch end, after new fragment has been buffered :
          - nudge video decoder by slightly adjusting video currentTime (if currentTime buffered)
          - resume the playback if needed
      */
  
    }, {
      key: 'immediateLevelSwitchEnd',
      value: function immediateLevelSwitchEnd() {
        var media = this.media;
        if (media && media.buffered.length) {
          this.immediateSwitch = false;
          if (_bufferHelper2.default.isBuffered(media, media.currentTime)) {
            // only nudge if currentTime is buffered
            media.currentTime -= 0.0001;
          }
          if (!this.previouslyPaused) {
            media.play();
          }
        }
      }
    }, {
      key: 'nextLevelSwitch',
      value: function nextLevelSwitch() {
        /* try to switch ASAP without breaking video playback :
           in order to ensure smooth but quick level switching,
          we need to find the next flushable buffer range
          we should take into account new segment fetch time
        */
        var media = this.media;
        // ensure that media is defined and that metadata are available (to retrieve currentTime)
        if (media && media.readyState) {
          var fetchdelay = void 0,
              fragPlayingCurrent = void 0,
              nextBufferedFrag = void 0;
          // increase fragment load Index to avoid frag loop loading error after buffer flush
          this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold;
          fragPlayingCurrent = this.getBufferedFrag(media.currentTime);
          if (fragPlayingCurrent && fragPlayingCurrent.startPTS > 1) {
            // flush buffer preceding current fragment (flush until current fragment start offset)
            // minus 1s to avoid video freezing, that could happen if we flush keyframe of current video ...
            this.flushMainBuffer(0, fragPlayingCurrent.startPTS - 1);
          }
          if (!media.paused) {
            // add a safety delay of 1s
            var nextLevelId = this.hls.nextLoadLevel,
                nextLevel = this.levels[nextLevelId],
                fragLastKbps = this.fragLastKbps;
            if (fragLastKbps && this.fragCurrent) {
              fetchdelay = this.fragCurrent.duration * nextLevel.bitrate / (1000 * fragLastKbps) + 1;
            } else {
              fetchdelay = 0;
            }
          } else {
            fetchdelay = 0;
          }
          //logger.log('fetchdelay:'+fetchdelay);
          // find buffer range that will be reached once new fragment will be fetched
          nextBufferedFrag = this.getBufferedFrag(media.currentTime + fetchdelay);
          if (nextBufferedFrag) {
            // we can flush buffer range following this one without stalling playback
            nextBufferedFrag = this.followingBufferedFrag(nextBufferedFrag);
            if (nextBufferedFrag) {
              // if we are here, we can also cancel any loading/demuxing in progress, as they are useless
              var fragCurrent = this.fragCurrent;
              if (fragCurrent && fragCurrent.loader) {
                fragCurrent.loader.abort();
              }
              this.fragCurrent = null;
              // flush position is the start position of this new buffer
              this.flushMainBuffer(nextBufferedFrag.startPTS, Number.POSITIVE_INFINITY);
            }
          }
        }
      }
    }, {
      key: 'flushMainBuffer',
      value: function flushMainBuffer(startOffset, endOffset) {
        this.state = State.BUFFER_FLUSHING;
        var flushScope = { startOffset: startOffset, endOffset: endOffset };
        // if alternate audio tracks are used, only flush video, otherwise flush everything
        if (this.altAudio) {
          flushScope.type = 'video';
        }
        this.hls.trigger(_events2.default.BUFFER_FLUSHING, flushScope);
      }
    }, {
      key: 'onMediaAttached',
      value: function onMediaAttached(data) {
        var media = this.media = this.mediaBuffer = data.media;
        this.onvseeking = this.onMediaSeeking.bind(this);
        this.onvseeked = this.onMediaSeeked.bind(this);
        this.onvended = this.onMediaEnded.bind(this);
        media.addEventListener('seeking', this.onvseeking);
        media.addEventListener('seeked', this.onvseeked);
        media.addEventListener('ended', this.onvended);
        var config = this.config;
        if (this.levels && config.autoStartLoad) {
          this.hls.startLoad(config.startPosition);
        }
      }
    }, {
      key: 'onMediaDetaching',
      value: function onMediaDetaching() {
        var media = this.media;
        if (media && media.ended) {
          _logger.logger.log('MSE detaching and video ended, reset startPosition');
          this.startPosition = this.lastCurrentTime = 0;
        }
  
        // reset fragment loading counter on MSE detaching to avoid reporting FRAG_LOOP_LOADING_ERROR after error recovery
        var levels = this.levels;
        if (levels) {
          // reset fragment load counter
          levels.forEach(function (level) {
            if (level.details) {
              level.details.fragments.forEach(function (fragment) {
                fragment.loadCounter = undefined;
                fragment.backtracked = undefined;
              });
            }
          });
        }
        // remove video listeners
        if (media) {
          media.removeEventListener('seeking', this.onvseeking);
          media.removeEventListener('seeked', this.onvseeked);
          media.removeEventListener('ended', this.onvended);
          this.onvseeking = this.onvseeked = this.onvended = null;
        }
        this.media = this.mediaBuffer = null;
        this.loadedmetadata = false;
        this.stopLoad();
      }
    }, {
      key: 'onMediaSeeking',
      value: function onMediaSeeking() {
        var media = this.media,
            currentTime = media ? media.currentTime : undefined,
            config = this.config;
        if (!isNaN(currentTime)) {
          _logger.logger.log('media seeking to ' + currentTime.toFixed(3));
        }
        var mediaBuffer = this.mediaBuffer ? this.mediaBuffer : media;
        var bufferInfo = _bufferHelper2.default.bufferInfo(mediaBuffer, currentTime, this.config.maxBufferHole);
        if (this.state === State.FRAG_LOADING) {
          var fragCurrent = this.fragCurrent;
          // check if we are seeking to a unbuffered area AND if frag loading is in progress
          if (bufferInfo.len === 0 && fragCurrent) {
            var tolerance = config.maxFragLookUpTolerance,
                fragStartOffset = fragCurrent.start - tolerance,
                fragEndOffset = fragCurrent.start + fragCurrent.duration + tolerance;
            // check if we seek position will be out of currently loaded frag range : if out cancel frag load, if in, don't do anything
            if (currentTime < fragStartOffset || currentTime > fragEndOffset) {
              if (fragCurrent.loader) {
                _logger.logger.log('seeking outside of buffer while fragment load in progress, cancel fragment load');
                fragCurrent.loader.abort();
              }
              this.fragCurrent = null;
              this.fragPrevious = null;
              // switch to IDLE state to load new fragment
              this.state = State.IDLE;
            } else {
              _logger.logger.log('seeking outside of buffer but within currently loaded fragment range');
            }
          }
        } else if (this.state === State.ENDED) {
          // if seeking to unbuffered area, clean up fragPrevious
          if (bufferInfo.len === 0) {
            this.fragPrevious = 0;
          }
          // switch to IDLE state to check for potential new fragment
          this.state = State.IDLE;
        }
        if (media) {
          this.lastCurrentTime = currentTime;
        }
        // avoid reporting fragment loop loading error in case user is seeking several times on same position
        if (this.state !== State.FRAG_LOADING && this.fragLoadIdx !== undefined) {
          this.fragLoadIdx += 2 * config.fragLoadingLoopThreshold;
        }
        // in case seeking occurs although no media buffered, adjust startPosition and nextLoadPosition to seek target
        if (!this.loadedmetadata) {
          this.nextLoadPosition = this.startPosition = currentTime;
        }
        // tick to speed up processing
        this.tick();
      }
    }, {
      key: 'onMediaSeeked',
      value: function onMediaSeeked() {
        var media = this.media,
            currentTime = media ? media.currentTime : undefined;
        if (!isNaN(currentTime)) {
          _logger.logger.log('media seeked to ' + currentTime.toFixed(3));
        }
        // tick to speed up FRAGMENT_PLAYING triggering
        this.tick();
      }
    }, {
      key: 'onMediaEnded',
      value: function onMediaEnded() {
        _logger.logger.log('media ended');
        // reset startPosition and lastCurrentTime to restart playback @ stream beginning
        this.startPosition = this.lastCurrentTime = 0;
      }
    }, {
      key: 'onManifestLoading',
      value: function onManifestLoading() {
        // reset buffer on manifest loading
        _logger.logger.log('trigger BUFFER_RESET');
        this.hls.trigger(_events2.default.BUFFER_RESET);
        this._bufferedFrags = [];
        this.stalled = false;
        this.startPosition = this.lastCurrentTime = 0;
      }
    }, {
      key: 'onManifestParsed',
      value: function onManifestParsed(data) {
        var aac = false,
            heaac = false,
            codec;
        data.levels.forEach(function (level) {
          // detect if we have different kind of audio codecs used amongst playlists
          codec = level.audioCodec;
          if (codec) {
            if (codec.indexOf('mp4a.40.2') !== -1) {
              aac = true;
            }
            if (codec.indexOf('mp4a.40.5') !== -1) {
              heaac = true;
            }
          }
        });
        this.audioCodecSwitch = aac && heaac;
        if (this.audioCodecSwitch) {
          _logger.logger.log('both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC');
        }
        this.levels = data.levels;
        this.startLevelLoaded = false;
        this.startFragRequested = false;
        var config = this.config;
        if (config.autoStartLoad || this.forceStartLoad) {
          this.hls.startLoad(config.startPosition);
        }
      }
    }, {
      key: 'onLevelLoaded',
      value: function onLevelLoaded(data) {
        var newDetails = data.details,
            newLevelId = data.level,
            curLevel = this.levels[newLevelId],
            duration = newDetails.totalduration,
            sliding = 0;
  
        _logger.logger.log('level ' + newLevelId + ' loaded [' + newDetails.startSN + ',' + newDetails.endSN + '],duration:' + duration);
        this.levelLastLoaded = newLevelId;
  
        if (newDetails.live) {
          var curDetails = curLevel.details;
          if (curDetails && newDetails.fragments.length > 0) {
            // we already have details for that level, merge them
            _levelHelper2.default.mergeDetails(curDetails, newDetails);
            sliding = newDetails.fragments[0].start;
            this.liveSyncPosition = this.computeLivePosition(sliding, curDetails);
            if (newDetails.PTSKnown) {
              _logger.logger.log('live playlist sliding:' + sliding.toFixed(3));
            } else {
              _logger.logger.log('live playlist - outdated PTS, unknown sliding');
            }
          } else {
            newDetails.PTSKnown = false;
            _logger.logger.log('live playlist - first load, unknown sliding');
          }
        } else {
          newDetails.PTSKnown = false;
        }
        // override level info
        curLevel.details = newDetails;
        this.hls.trigger(_events2.default.LEVEL_UPDATED, { details: newDetails, level: newLevelId });
  
        if (this.startFragRequested === false) {
          // compute start position if set to -1. use it straight away if value is defined
          if (this.startPosition === -1 || this.lastCurrentTime === -1) {
            // first, check if start time offset has been set in playlist, if yes, use this value
            var startTimeOffset = newDetails.startTimeOffset;
            if (!isNaN(startTimeOffset)) {
              if (startTimeOffset < 0) {
                _logger.logger.log('negative start time offset ' + startTimeOffset + ', count from end of last fragment');
                startTimeOffset = sliding + duration + startTimeOffset;
              }
              _logger.logger.log('start time offset found in playlist, adjust startPosition to ' + startTimeOffset);
              this.startPosition = startTimeOffset;
            } else {
              // if live playlist, set start position to be fragment N-this.config.liveSyncDurationCount (usually 3)
              if (newDetails.live) {
                this.startPosition = this.computeLivePosition(sliding, newDetails);
                _logger.logger.log('configure startPosition to ' + this.startPosition);
              } else {
                this.startPosition = 0;
              }
            }
            this.lastCurrentTime = this.startPosition;
          }
          this.nextLoadPosition = this.startPosition;
        }
        // only switch batck to IDLE state if we were waiting for level to start downloading a new fragment
        if (this.state === State.WAITING_LEVEL) {
          this.state = State.IDLE;
        }
        //trigger handler right now
        this.tick();
      }
    }, {
      key: 'onKeyLoaded',
      value: function onKeyLoaded() {
        if (this.state === State.KEY_LOADING) {
          this.state = State.IDLE;
          this.tick();
        }
      }
    }, {
      key: 'onFragLoaded',
      value: function onFragLoaded(data) {
        var fragCurrent = this.fragCurrent,
            fragLoaded = data.frag;
        if (this.state === State.FRAG_LOADING && fragCurrent && fragLoaded.type === 'main' && fragLoaded.level === fragCurrent.level && fragLoaded.sn === fragCurrent.sn) {
          var stats = data.stats,
              currentLevel = this.levels[fragCurrent.level],
              details = currentLevel.details;
          _logger.logger.log('Loaded  ' + fragCurrent.sn + ' of [' + details.startSN + ' ,' + details.endSN + '],level ' + fragCurrent.level);
          // reset frag bitrate test in any case after frag loaded event
          this.bitrateTest = false;
          this.stats = stats;
          // if this frag was loaded to perform a bitrate test AND if hls.nextLoadLevel is greater than 0
          // then this means that we should be able to load a fragment at a higher quality level
          if (fragLoaded.bitrateTest === true && this.hls.nextLoadLevel) {
            // switch back to IDLE state ... we just loaded a fragment to determine adequate start bitrate and initialize autoswitch algo
            this.state = State.IDLE;
            this.startFragRequested = false;
            stats.tparsed = stats.tbuffered = performance.now();
            this.hls.trigger(_events2.default.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'main' });
            this.tick();
          } else if (fragLoaded.sn === 'initSegment') {
            this.state = State.IDLE;
            stats.tparsed = stats.tbuffered = performance.now();
            details.initSegment.data = data.payload;
            this.hls.trigger(_events2.default.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'main' });
            this.tick();
          } else {
            this.state = State.PARSING;
            // transmux the MPEG-TS data to ISO-BMFF segments
            var duration = details.totalduration,
                level = fragCurrent.level,
                sn = fragCurrent.sn,
                audioCodec = this.config.defaultAudioCodec || currentLevel.audioCodec;
            if (this.audioCodecSwap) {
              _logger.logger.log('swapping playlist audio codec');
              if (audioCodec === undefined) {
                audioCodec = this.lastAudioCodec;
              }
              if (audioCodec) {
                if (audioCodec.indexOf('mp4a.40.5') !== -1) {
                  audioCodec = 'mp4a.40.2';
                } else {
                  audioCodec = 'mp4a.40.5';
                }
              }
            }
            this.pendingBuffering = true;
            this.appended = false;
            _logger.logger.log('Parsing ' + sn + ' of [' + details.startSN + ' ,' + details.endSN + '],level ' + level + ', cc ' + fragCurrent.cc);
            var demuxer = this.demuxer;
            if (!demuxer) {
              demuxer = this.demuxer = new _demuxer2.default(this.hls, 'main');
            }
            // time Offset is accurate if level PTS is known, or if playlist is not sliding (not live) and if media is not seeking (this is to overcome potential timestamp drifts between playlists and fragments)
            var media = this.media;
            var mediaSeeking = media && media.seeking;
            var accurateTimeOffset = !mediaSeeking && (details.PTSKnown || !details.live);
            var initSegmentData = details.initSegment ? details.initSegment.data : [];
            demuxer.push(data.payload, initSegmentData, audioCodec, currentLevel.videoCodec, fragCurrent, duration, accurateTimeOffset, undefined);
          }
        }
        this.fragLoadError = 0;
      }
    }, {
      key: 'onFragParsingInitSegment',
      value: function onFragParsingInitSegment(data) {
        var fragCurrent = this.fragCurrent;
        var fragNew = data.frag;
        if (fragCurrent && data.id === 'main' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === State.PARSING) {
          var tracks = data.tracks,
              trackName,
              track;
  
          // if audio track is expected to come from audio stream controller, discard any coming from main
          if (tracks.audio && this.altAudio) {
            delete tracks.audio;
          }
          // include levelCodec in audio and video tracks
          track = tracks.audio;
          if (track) {
            var audioCodec = this.levels[this.level].audioCodec,
                ua = navigator.userAgent.toLowerCase();
            if (audioCodec && this.audioCodecSwap) {
              _logger.logger.log('swapping playlist audio codec');
              if (audioCodec.indexOf('mp4a.40.5') !== -1) {
                audioCodec = 'mp4a.40.2';
              } else {
                audioCodec = 'mp4a.40.5';
              }
            }
            // in case AAC and HE-AAC audio codecs are signalled in manifest
            // force HE-AAC , as it seems that most browsers prefers that way,
            // except for mono streams OR on FF
            // these conditions might need to be reviewed ...
            if (this.audioCodecSwitch) {
              // don't force HE-AAC if mono stream
              if (track.metadata.channelCount !== 1 &&
              // don't force HE-AAC if firefox
              ua.indexOf('firefox') === -1) {
                audioCodec = 'mp4a.40.5';
              }
            }
            // HE-AAC is broken on Android, always signal audio codec as AAC even if variant manifest states otherwise
            if (ua.indexOf('android') !== -1 && track.container !== 'audio/mpeg') {
              // Exclude mpeg audio
              audioCodec = 'mp4a.40.2';
              _logger.logger.log('Android: force audio codec to ' + audioCodec);
            }
            track.levelCodec = audioCodec;
            track.id = data.id;
          }
          track = tracks.video;
          if (track) {
            track.levelCodec = this.levels[this.level].videoCodec;
            track.id = data.id;
          }
          this.hls.trigger(_events2.default.BUFFER_CODECS, tracks);
          // loop through tracks that are going to be provided to bufferController
          for (trackName in tracks) {
            track = tracks[trackName];
            _logger.logger.log('main track:' + trackName + ',container:' + track.container + ',codecs[level/parsed]=[' + track.levelCodec + '/' + track.codec + ']');
            var initSegment = track.initSegment;
            if (initSegment) {
              this.appended = true;
              // arm pending Buffering flag before appending a segment
              this.pendingBuffering = true;
              this.hls.trigger(_events2.default.BUFFER_APPENDING, { type: trackName, data: initSegment, parent: 'main', content: 'initSegment' });
            }
          }
          //trigger handler right now
          this.tick();
        }
      }
    }, {
      key: 'onFragParsingData',
      value: function onFragParsingData(data) {
        var _this2 = this;
  
        var fragCurrent = this.fragCurrent;
        var fragNew = data.frag;
        if (fragCurrent && data.id === 'main' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && !(data.type === 'audio' && this.altAudio) && // filter out main audio if audio track is loaded through audio stream controller
        this.state === State.PARSING) {
          var level = this.levels[this.level],
              frag = fragCurrent;
          if (isNaN(data.endPTS)) {
            data.endPTS = data.startPTS + fragCurrent.duration;
            data.endDTS = data.startDTS + fragCurrent.duration;
          }
  
          _logger.logger.log('Parsed ' + data.type + ',PTS:[' + data.startPTS.toFixed(3) + ',' + data.endPTS.toFixed(3) + '],DTS:[' + data.startDTS.toFixed(3) + '/' + data.endDTS.toFixed(3) + '],nb:' + data.nb + ',dropped:' + (data.dropped || 0));
  
          // Detect gaps in a fragment  and try to fix it by finding a keyframe in the previous fragment (see _findFragments)
          if (data.type === 'video') {
            frag.dropped = data.dropped;
            if (frag.dropped) {
              if (!frag.backtracked) {
                _logger.logger.warn('missing video frame(s), backtracking fragment');
                // Return back to the IDLE state without appending to buffer
                // Causes findFragments to backtrack a segment and find the keyframe
                // Audio fragments arriving before video sets the nextLoadPosition, causing _findFragments to skip the backtracked fragment
                frag.backtracked = true;
                this.nextLoadPosition = data.startPTS;
                this.state = State.IDLE;
                this.fragPrevious = frag;
                this.tick();
                return;
              } else {
                _logger.logger.warn('Already backtracked on this fragment, appending with the gap');
              }
            } else {
              // Only reset the backtracked flag if we've loaded the frag without any dropped frames
              frag.backtracked = false;
            }
          }
  
          var drift = _levelHelper2.default.updateFragPTSDTS(level.details, frag, data.startPTS, data.endPTS, data.startDTS, data.endDTS),
              hls = this.hls;
          hls.trigger(_events2.default.LEVEL_PTS_UPDATED, { details: level.details, level: this.level, drift: drift, type: data.type, start: data.startPTS, end: data.endPTS });
  
          // has remuxer dropped video frames located before first keyframe ?
          [data.data1, data.data2].forEach(function (buffer) {
            // only append in PARSING state (rationale is that an appending error could happen synchronously on first segment appending)
            // in that case it is useless to append following segments
            if (buffer && buffer.length && _this2.state === State.PARSING) {
              _this2.appended = true;
              // arm pending Buffering flag before appending a segment
              _this2.pendingBuffering = true;
              hls.trigger(_events2.default.BUFFER_APPENDING, { type: data.type, data: buffer, parent: 'main', content: 'data' });
            }
          });
          //trigger handler right now
          this.tick();
        }
      }
    }, {
      key: 'onFragParsed',
      value: function onFragParsed(data) {
        var fragCurrent = this.fragCurrent;
        var fragNew = data.frag;
        if (fragCurrent && data.id === 'main' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === State.PARSING) {
          this.stats.tparsed = performance.now();
          this.state = State.PARSED;
          this._checkAppendedParsed();
        }
      }
    }, {
      key: 'onAudioTrackSwitching',
      value: function onAudioTrackSwitching(data) {
        // if any URL found on new audio track, it is an alternate audio track
        var altAudio = !!data.url,
            trackId = data.id;
        // if we switch on main audio, ensure that main fragment scheduling is synced with media.buffered
        // don't do anything if we switch to alt audio: audio stream controller is handling it.
        // we will just have to change buffer scheduling on audioTrackSwitched
        if (!altAudio) {
          if (this.mediaBuffer !== this.media) {
            _logger.logger.log('switching on main audio, use media.buffered to schedule main fragment loading');
            this.mediaBuffer = this.media;
            var fragCurrent = this.fragCurrent;
            // we need to refill audio buffer from main: cancel any frag loading to speed up audio switch
            if (fragCurrent.loader) {
              _logger.logger.log('switching to main audio track, cancel main fragment load');
              fragCurrent.loader.abort();
            }
            this.fragCurrent = null;
            this.fragPrevious = null;
            // destroy demuxer to force init segment generation (following audio switch)
            if (this.demuxer) {
              this.demuxer.destroy();
              this.demuxer = null;
            }
            // switch to IDLE state to load new fragment
            this.state = State.IDLE;
          }
          var hls = this.hls;
          // switching to main audio, flush all audio and trigger track switched
          hls.trigger(_events2.default.BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' });
          hls.trigger(_events2.default.AUDIO_TRACK_SWITCHED, { id: trackId });
          this.altAudio = false;
        }
      }
    }, {
      key: 'onAudioTrackSwitched',
      value: function onAudioTrackSwitched(data) {
        var trackId = data.id,
            altAudio = !!this.hls.audioTracks[trackId].url;
        if (altAudio) {
          var videoBuffer = this.videoBuffer;
          // if we switched on alternate audio, ensure that main fragment scheduling is synced with video sourcebuffer buffered
          if (videoBuffer && this.mediaBuffer !== videoBuffer) {
            _logger.logger.log('switching on alternate audio, use video.buffered to schedule main fragment loading');
            this.mediaBuffer = videoBuffer;
          }
        }
        this.altAudio = altAudio;
        this.tick();
      }
    }, {
      key: 'onBufferCreated',
      value: function onBufferCreated(data) {
        var tracks = data.tracks,
            mediaTrack = void 0,
            name = void 0,
            alternate = false;
        for (var type in tracks) {
          var track = tracks[type];
          if (track.id === 'main') {
            name = type;
            mediaTrack = track;
            // keep video source buffer reference
            if (type === 'video') {
              this.videoBuffer = tracks[type].buffer;
            }
          } else {
            alternate = true;
          }
        }
        if (alternate && mediaTrack) {
          _logger.logger.log('alternate track found, use ' + name + '.buffered to schedule main fragment loading');
          this.mediaBuffer = mediaTrack.buffer;
        } else {
          this.mediaBuffer = this.media;
        }
      }
    }, {
      key: 'onBufferAppended',
      value: function onBufferAppended(data) {
        if (data.parent === 'main') {
          var state = this.state;
          if (state === State.PARSING || state === State.PARSED) {
            // check if all buffers have been appended
            this.pendingBuffering = data.pending > 0;
            this._checkAppendedParsed();
          }
        }
      }
    }, {
      key: '_checkAppendedParsed',
      value: function _checkAppendedParsed() {
        //trigger handler right now
        if (this.state === State.PARSED && (!this.appended || !this.pendingBuffering)) {
          var frag = this.fragCurrent;
          if (frag) {
            var media = this.mediaBuffer ? this.mediaBuffer : this.media;
            _logger.logger.log('main buffered : ' + _timeRanges2.default.toString(media.buffered));
            // filter fragments potentially evicted from buffer. this is to avoid memleak on live streams
            var bufferedFrags = this._bufferedFrags.filter(function (frag) {
              return _bufferHelper2.default.isBuffered(media, (frag.startPTS + frag.endPTS) / 2);
            });
            // push new range
            bufferedFrags.push(frag);
            // sort frags, as we use BinarySearch for lookup in getBufferedFrag ...
            this._bufferedFrags = bufferedFrags.sort(function (a, b) {
              return a.startPTS - b.startPTS;
            });
            this.fragPrevious = frag;
            var stats = this.stats;
            stats.tbuffered = performance.now();
            // we should get rid of this.fragLastKbps
            this.fragLastKbps = Math.round(8 * stats.total / (stats.tbuffered - stats.tfirst));
            this.hls.trigger(_events2.default.FRAG_BUFFERED, { stats: stats, frag: frag, id: 'main' });
            this.state = State.IDLE;
          }
          this.tick();
        }
      }
    }, {
      key: 'onError',
      value: function onError(data) {
        var frag = data.frag || this.fragCurrent;
        // don't handle frag error not related to main fragment
        if (frag && frag.type !== 'main') {
          return;
        }
        var media = this.media,
  
        // 0.5 : tolerance needed as some browsers stalls playback before reaching buffered end
        mediaBuffered = media && _bufferHelper2.default.isBuffered(media, media.currentTime) && _bufferHelper2.default.isBuffered(media, media.currentTime + 0.5);
        switch (data.details) {
          case _errors.ErrorDetails.FRAG_LOAD_ERROR:
          case _errors.ErrorDetails.FRAG_LOAD_TIMEOUT:
          case _errors.ErrorDetails.KEY_LOAD_ERROR:
          case _errors.ErrorDetails.KEY_LOAD_TIMEOUT:
            if (!data.fatal) {
              var loadError = this.fragLoadError;
              if (loadError) {
                loadError++;
              } else {
                loadError = 1;
              }
              var config = this.config;
              // keep retrying / don't raise fatal network error if current position is buffered or if in automode with current level not 0
              if (loadError <= config.fragLoadingMaxRetry || mediaBuffered || frag.autoLevel && frag.level) {
                this.fragLoadError = loadError;
                // reset load counter to avoid frag loop loading error
                frag.loadCounter = 0;
                // exponential backoff capped to config.fragLoadingMaxRetryTimeout
                var delay = Math.min(Math.pow(2, loadError - 1) * config.fragLoadingRetryDelay, config.fragLoadingMaxRetryTimeout);
                _logger.logger.warn('mediaController: frag loading failed, retry in ' + delay + ' ms');
                this.retryDate = performance.now() + delay;
                // retry loading state
                // if loadedmetadata is not set, it means that we are emergency switch down on first frag
                // in that case, reset startFragRequested flag
                if (!this.loadedmetadata) {
                  this.startFragRequested = false;
                  this.nextLoadPosition = this.startPosition;
                }
                this.state = State.FRAG_LOADING_WAITING_RETRY;
              } else {
                _logger.logger.error('mediaController: ' + data.details + ' reaches max retry, redispatch as fatal ...');
                // switch error to fatal
                data.fatal = true;
                this.state = State.ERROR;
              }
            }
            break;
          case _errors.ErrorDetails.FRAG_LOOP_LOADING_ERROR:
            if (!data.fatal) {
              // if buffer is not empty
              if (mediaBuffered) {
                // try to reduce max buffer length : rationale is that we could get
                // frag loop loading error because of buffer eviction
                this._reduceMaxBufferLength(frag.duration);
                this.state = State.IDLE;
              } else {
                // buffer empty. report as fatal if in manual mode or if lowest level.
                // level controller takes care of emergency switch down logic
                if (!frag.autoLevel || frag.level === 0) {
                  // switch error to fatal
                  data.fatal = true;
                  this.state = State.ERROR;
                }
              }
            }
            break;
          case _errors.ErrorDetails.LEVEL_LOAD_ERROR:
          case _errors.ErrorDetails.LEVEL_LOAD_TIMEOUT:
            if (this.state !== State.ERROR) {
              if (data.fatal) {
                // if fatal error, stop processing
                this.state = State.ERROR;
                _logger.logger.warn('streamController: ' + data.details + ',switch to ' + this.state + ' state ...');
              } else {
                // in case of non fatal error while loading level, if level controller is not retrying to load level , switch back to IDLE
                if (!data.levelRetry && this.state === State.WAITING_LEVEL) {
                  this.state = State.IDLE;
                }
              }
            }
            break;
          case _errors.ErrorDetails.BUFFER_FULL_ERROR:
            // if in appending state
            if (data.parent === 'main' && (this.state === State.PARSING || this.state === State.PARSED)) {
              // reduce max buf len if current position is buffered
              if (mediaBuffered) {
                this._reduceMaxBufferLength(this.config.maxBufferLength);
                this.state = State.IDLE;
              } else {
                // current position is not buffered, but browser is still complaining about buffer full error
                // this happens on IE/Edge, refer to https://github.com/video-dev/hls.js/pull/708
                // in that case flush the whole buffer to recover
                _logger.logger.warn('buffer full error also media.currentTime is not buffered, flush everything');
                this.fragCurrent = null;
                // flush everything
                this.flushMainBuffer(0, Number.POSITIVE_INFINITY);
              }
            }
            break;
          default:
            break;
        }
      }
    }, {
      key: '_reduceMaxBufferLength',
      value: function _reduceMaxBufferLength(minLength) {
        var config = this.config;
        if (config.maxMaxBufferLength >= minLength) {
          // reduce max buffer length as it might be too high. we do this to avoid loop flushing ...
          config.maxMaxBufferLength /= 2;
          _logger.logger.warn('main:reduce max buffer length to ' + config.maxMaxBufferLength + 's');
          // increase fragment load Index to avoid frag loop loading error after buffer flush
          this.fragLoadIdx += 2 * config.fragLoadingLoopThreshold;
        }
      }
    }, {
      key: '_checkBuffer',
      value: function _checkBuffer() {
        var media = this.media;
        // if ready state different from HAVE_NOTHING (numeric value 0), we are allowed to seek
        if (media && media.readyState) {
          var currentTime = media.currentTime,
              mediaBuffer = this.mediaBuffer ? this.mediaBuffer : media,
              buffered = mediaBuffer.buffered;
          // adjust currentTime to start position on loaded metadata
          if (!this.loadedmetadata && buffered.length) {
            this.loadedmetadata = true;
            // only adjust currentTime if different from startPosition or if startPosition not buffered
            // at that stage, there should be only one buffered range, as we reach that code after first fragment has been buffered
            var startPosition = media.seeking ? currentTime : this.startPosition,
                startPositionBuffered = _bufferHelper2.default.isBuffered(mediaBuffer, startPosition);
            // if currentTime not matching with expected startPosition or startPosition not buffered
            if (currentTime !== startPosition || !startPositionBuffered) {
              _logger.logger.log('target start position:' + startPosition);
              // if startPosition not buffered, let's seek to buffered.start(0)
              if (!startPositionBuffered) {
                startPosition = buffered.start(0);
                _logger.logger.log('target start position not buffered, seek to buffered.start(0) ' + startPosition);
              }
              _logger.logger.log('adjust currentTime from ' + currentTime + ' to ' + startPosition);
              media.currentTime = startPosition;
            }
          } else if (this.immediateSwitch) {
            this.immediateLevelSwitchEnd();
          } else {
            var bufferInfo = _bufferHelper2.default.bufferInfo(media, currentTime, 0),
                expectedPlaying = !(media.paused || // not playing when media is paused
            media.ended || // not playing when media is ended
            media.buffered.length === 0),
                // not playing if nothing buffered
            jumpThreshold = 0.5,
                // tolerance needed as some browsers stalls playback before reaching buffered range end
            playheadMoving = currentTime !== this.lastCurrentTime,
                config = this.config;
  
            if (playheadMoving) {
              // played moving, but was previously stalled => now not stuck anymore
              if (this.stallReported) {
                _logger.logger.warn('playback not stuck anymore @' + currentTime + ', after ' + Math.round(performance.now() - this.stalled) + 'ms');
                this.stallReported = false;
              }
              this.stalled = undefined;
              this.nudgeRetry = 0;
            } else {
              // playhead not moving
              if (expectedPlaying) {
                // playhead not moving BUT media expected to play
                var tnow = performance.now();
                var hls = this.hls;
                if (!this.stalled) {
                  // stall just detected, store current time
                  this.stalled = tnow;
                  this.stallReported = false;
                } else {
                  // playback already stalled, check stalling duration
                  // if stalling for more than a given threshold, let's try to recover
                  var stalledDuration = tnow - this.stalled;
                  var bufferLen = bufferInfo.len;
                  var nudgeRetry = this.nudgeRetry || 0;
                  // have we reached stall deadline ?
                  if (bufferLen <= jumpThreshold && stalledDuration > config.lowBufferWatchdogPeriod * 1000) {
                    // report stalled error once
                    if (!this.stallReported) {
                      this.stallReported = true;
                      _logger.logger.warn('playback stalling in low buffer @' + currentTime);
                      hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.BUFFER_STALLED_ERROR, fatal: false, buffer: bufferLen });
                    }
                    // if buffer len is below threshold, try to jump to start of next buffer range if close
                    // no buffer available @ currentTime, check if next buffer is close (within a config.maxSeekHole second range)
                    var nextBufferStart = bufferInfo.nextStart,
                        delta = nextBufferStart - currentTime;
                    if (nextBufferStart && delta < config.maxSeekHole && delta > 0) {
                      this.nudgeRetry = ++nudgeRetry;
                      var nudgeOffset = nudgeRetry * config.nudgeOffset;
                      // next buffer is close ! adjust currentTime to nextBufferStart
                      // this will ensure effective video decoding
                      _logger.logger.log('adjust currentTime from ' + media.currentTime + ' to next buffered @ ' + nextBufferStart + ' + nudge ' + nudgeOffset);
                      media.currentTime = nextBufferStart + nudgeOffset;
                      // reset stalled so to rearm watchdog timer
                      this.stalled = undefined;
                      hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.BUFFER_SEEK_OVER_HOLE, fatal: false, hole: nextBufferStart + nudgeOffset - currentTime });
                    }
                  } else if (bufferLen > jumpThreshold && stalledDuration > config.highBufferWatchdogPeriod * 1000) {
                    // report stalled error once
                    if (!this.stallReported) {
                      this.stallReported = true;
                      _logger.logger.warn('playback stalling in high buffer @' + currentTime);
                      hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.BUFFER_STALLED_ERROR, fatal: false, buffer: bufferLen });
                    }
                    // reset stalled so to rearm watchdog timer
                    this.stalled = undefined;
                    this.nudgeRetry = ++nudgeRetry;
                    if (nudgeRetry < config.nudgeMaxRetry) {
                      var _currentTime = media.currentTime;
                      var targetTime = _currentTime + nudgeRetry * config.nudgeOffset;
                      _logger.logger.log('adjust currentTime from ' + _currentTime + ' to ' + targetTime);
                      // playback stalled in buffered area ... let's nudge currentTime to try to overcome this
                      media.currentTime = targetTime;
                      hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.BUFFER_NUDGE_ON_STALL, fatal: false });
                    } else {
                      _logger.logger.error('still stuck in high buffer @' + currentTime + ' after ' + config.nudgeMaxRetry + ', raise fatal error');
                      hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.BUFFER_STALLED_ERROR, fatal: true });
                    }
                  }
                }
              }
            }
          }
        }
      }
    }, {
      key: 'onFragLoadEmergencyAborted',
      value: function onFragLoadEmergencyAborted() {
        this.state = State.IDLE;
        // if loadedmetadata is not set, it means that we are emergency switch down on first frag
        // in that case, reset startFragRequested flag
        if (!this.loadedmetadata) {
          this.startFragRequested = false;
          this.nextLoadPosition = this.startPosition;
        }
        this.tick();
      }
    }, {
      key: 'onBufferFlushed',
      value: function onBufferFlushed() {
        /* after successful buffer flushing, filter flushed fragments from bufferedFrags
          use mediaBuffered instead of media (so that we will check against video.buffered ranges in case of alt audio track)
        */
        var media = this.mediaBuffer ? this.mediaBuffer : this.media;
        this._bufferedFrags = this._bufferedFrags.filter(function (frag) {
          return _bufferHelper2.default.isBuffered(media, (frag.startPTS + frag.endPTS) / 2);
        });
  
        // increase fragment load Index to avoid frag loop loading error after buffer flush
        this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold;
        // move to IDLE once flush complete. this should trigger new fragment loading
        this.state = State.IDLE;
        // reset reference to frag
        this.fragPrevious = null;
      }
    }, {
      key: 'swapAudioCodec',
      value: function swapAudioCodec() {
        this.audioCodecSwap = !this.audioCodecSwap;
      }
    }, {
      key: 'computeLivePosition',
      value: function computeLivePosition(sliding, levelDetails) {
        var targetLatency = this.config.liveSyncDuration !== undefined ? this.config.liveSyncDuration : this.config.liveSyncDurationCount * levelDetails.targetduration;
        return sliding + Math.max(0, levelDetails.totalduration - targetLatency);
      }
    }, {
      key: 'state',
      set: function set(nextState) {
        if (this.state !== nextState) {
          var previousState = this.state;
          this._state = nextState;
          _logger.logger.log('main stream:' + previousState + '->' + nextState);
          this.hls.trigger(_events2.default.STREAM_STATE_TRANSITION, { previousState: previousState, nextState: nextState });
        }
      },
      get: function get() {
        return this._state;
      }
    }, {
      key: 'currentLevel',
      get: function get() {
        var media = this.media;
        if (media) {
          var frag = this.getBufferedFrag(media.currentTime);
          if (frag) {
            return frag.level;
          }
        }
        return -1;
      }
    }, {
      key: 'nextBufferedFrag',
      get: function get() {
        var media = this.media;
        if (media) {
          // first get end range of current fragment
          return this.followingBufferedFrag(this.getBufferedFrag(media.currentTime));
        } else {
          return null;
        }
      }
    }, {
      key: 'nextLevel',
      get: function get() {
        var frag = this.nextBufferedFrag;
        if (frag) {
          return frag.level;
        } else {
          return -1;
        }
      }
    }, {
      key: 'liveSyncPosition',
      get: function get() {
        return this._liveSyncPosition;
      },
      set: function set(value) {
        this._liveSyncPosition = value;
      }
    }]);
  
    return StreamController;
  }(_eventHandler2.default);
  
  exports.default = StreamController;
  
  },{"25":25,"33":33,"34":34,"35":35,"37":37,"38":38,"48":48,"53":53,"54":54}],14:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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 _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  var _eventHandler = _dereq_(34);
  
  var _eventHandler2 = _interopRequireDefault(_eventHandler);
  
  var _logger = _dereq_(53);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  function _possibleConstructorReturn(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; }
  
  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); } 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; } /*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  * Subtitle Stream Controller
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 */
  
  var SubtitleStreamController = function (_EventHandler) {
    _inherits(SubtitleStreamController, _EventHandler);
  
    function SubtitleStreamController(hls) {
      _classCallCheck(this, SubtitleStreamController);
  
      var _this = _possibleConstructorReturn(this, (SubtitleStreamController.__proto__ || Object.getPrototypeOf(SubtitleStreamController)).call(this, hls, _events2.default.ERROR, _events2.default.SUBTITLE_TRACKS_UPDATED, _events2.default.SUBTITLE_TRACK_SWITCH, _events2.default.SUBTITLE_TRACK_LOADED, _events2.default.SUBTITLE_FRAG_PROCESSED));
  
      _this.config = hls.config;
      _this.vttFragSNsProcessed = {};
      _this.vttFragQueues = undefined;
      _this.currentlyProcessing = null;
      _this.currentTrackId = -1;
      return _this;
    }
  
    _createClass(SubtitleStreamController, [{
      key: 'destroy',
      value: function destroy() {
        _eventHandler2.default.prototype.destroy.call(this);
      }
  
      // Remove all queued items and create a new, empty queue for each track.
  
    }, {
      key: 'clearVttFragQueues',
      value: function clearVttFragQueues() {
        var _this2 = this;
  
        this.vttFragQueues = {};
        this.tracks.forEach(function (track) {
          _this2.vttFragQueues[track.id] = [];
        });
      }
  
      // If no frag is being processed and queue isn't empty, initiate processing of next frag in line.
  
    }, {
      key: 'nextFrag',
      value: function nextFrag() {
        if (this.currentlyProcessing === null && this.currentTrackId > -1 && this.vttFragQueues[this.currentTrackId].length) {
          var frag = this.currentlyProcessing = this.vttFragQueues[this.currentTrackId].shift();
          this.hls.trigger(_events2.default.FRAG_LOADING, { frag: frag });
        }
      }
  
      // When fragment has finished processing, add sn to list of completed if successful.
  
    }, {
      key: 'onSubtitleFragProcessed',
      value: function onSubtitleFragProcessed(data) {
        if (data.success) {
          this.vttFragSNsProcessed[data.frag.trackId].push(data.frag.sn);
        }
        this.currentlyProcessing = null;
        this.nextFrag();
      }
  
      // If something goes wrong, procede to next frag, if we were processing one.
  
    }, {
      key: 'onError',
      value: function onError(data) {
        var frag = data.frag;
        // don't handle frag error not related to subtitle fragment
        if (frag && frag.type !== 'subtitle') {
          return;
        }
        if (this.currentlyProcessing) {
          this.currentlyProcessing = null;
          this.nextFrag();
        }
      }
  
      // Got all new subtitle tracks.
  
    }, {
      key: 'onSubtitleTracksUpdated',
      value: function onSubtitleTracksUpdated(data) {
        var _this3 = this;
  
        _logger.logger.log('subtitle tracks updated');
        this.tracks = data.subtitleTracks;
        this.clearVttFragQueues();
        this.vttFragSNsProcessed = {};
        this.tracks.forEach(function (track) {
          _this3.vttFragSNsProcessed[track.id] = [];
        });
      }
    }, {
      key: 'onSubtitleTrackSwitch',
      value: function onSubtitleTrackSwitch(data) {
        this.currentTrackId = data.id;
        this.clearVttFragQueues();
      }
  
      // Got a new set of subtitle fragments.
  
    }, {
      key: 'onSubtitleTrackLoaded',
      value: function onSubtitleTrackLoaded(data) {
        var processedFragSNs = this.vttFragSNsProcessed[data.id],
            fragQueue = this.vttFragQueues[data.id],
            currentFragSN = !!this.currentlyProcessing ? this.currentlyProcessing.sn : -1;
  
        var alreadyProcessed = function alreadyProcessed(frag) {
          return processedFragSNs.indexOf(frag.sn) > -1;
        };
  
        var alreadyInQueue = function alreadyInQueue(frag) {
          return fragQueue.some(function (fragInQueue) {
            return fragInQueue.sn === frag.sn;
          });
        };
  
        // Add all fragments that haven't been, aren't currently being and aren't waiting to be processed, to queue.
        data.details.fragments.forEach(function (frag) {
          if (!(alreadyProcessed(frag) || frag.sn === currentFragSN || alreadyInQueue(frag))) {
            // Frags don't know their subtitle track ID, so let's just add that...
            frag.trackId = data.id;
            fragQueue.push(frag);
          }
        });
  
        this.nextFrag();
      }
    }]);
  
    return SubtitleStreamController;
  }(_eventHandler2.default);
  
  exports.default = SubtitleStreamController;
  
  },{"34":34,"35":35,"53":53}],15:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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 _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  var _eventHandler = _dereq_(34);
  
  var _eventHandler2 = _interopRequireDefault(_eventHandler);
  
  var _logger = _dereq_(53);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  function _possibleConstructorReturn(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; }
  
  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); } 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; } /*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  * audio track controller
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 */
  
  function filterSubtitleTracks(textTrackList) {
    var tracks = [];
    for (var i = 0; i < textTrackList.length; i++) {
      if (textTrackList[i].kind === 'subtitles') {
        tracks.push(textTrackList[i]);
      }
    }
    return tracks;
  }
  
  var SubtitleTrackController = function (_EventHandler) {
    _inherits(SubtitleTrackController, _EventHandler);
  
    function SubtitleTrackController(hls) {
      _classCallCheck(this, SubtitleTrackController);
  
      var _this = _possibleConstructorReturn(this, (SubtitleTrackController.__proto__ || Object.getPrototypeOf(SubtitleTrackController)).call(this, hls, _events2.default.MEDIA_ATTACHED, _events2.default.MEDIA_DETACHING, _events2.default.MANIFEST_LOADING, _events2.default.MANIFEST_LOADED, _events2.default.SUBTITLE_TRACK_LOADED));
  
      _this.tracks = [];
      _this.trackId = -1;
      _this.media = undefined;
      return _this;
    }
  
    _createClass(SubtitleTrackController, [{
      key: 'destroy',
      value: function destroy() {
        _eventHandler2.default.prototype.destroy.call(this);
      }
  
      // Listen for subtitle track change, then extract the current track ID.
  
    }, {
      key: 'onMediaAttached',
      value: function onMediaAttached(data) {
        var _this2 = this;
  
        this.media = data.media;
        if (!this.media) {
          return;
        }
  
        this.media.textTracks.addEventListener('change', function () {
          // Media is undefined when switching streams via loadSource()
          if (!_this2.media) {
            return;
          }
  
          var trackId = -1;
          var tracks = filterSubtitleTracks(_this2.media.textTracks);
          for (var id = 0; id < tracks.length; id++) {
            if (tracks[id].mode === 'showing') {
              trackId = id;
            }
          }
          // Setting current subtitleTrack will invoke code.
          _this2.subtitleTrack = trackId;
        });
      }
    }, {
      key: 'onMediaDetaching',
      value: function onMediaDetaching() {
        // TODO: Remove event listeners.
        this.media = undefined;
      }
  
      // Reset subtitle tracks on manifest loading
  
    }, {
      key: 'onManifestLoading',
      value: function onManifestLoading() {
        this.tracks = [];
        this.trackId = -1;
      }
  
      // Fired whenever a new manifest is loaded.
  
    }, {
      key: 'onManifestLoaded',
      value: function onManifestLoaded(data) {
        var _this3 = this;
  
        var tracks = data.subtitles || [];
        var defaultFound = false;
        this.tracks = tracks;
        this.trackId = -1;
        this.hls.trigger(_events2.default.SUBTITLE_TRACKS_UPDATED, { subtitleTracks: tracks });
  
        // loop through available subtitle tracks and autoselect default if needed
        // TODO: improve selection logic to handle forced, etc
        tracks.forEach(function (track) {
          if (track.default) {
            _this3.subtitleTrack = track.id;
            defaultFound = true;
          }
        });
      }
  
      // Trigger subtitle track playlist reload.
  
    }, {
      key: 'onTick',
      value: function onTick() {
        var trackId = this.trackId;
        var subtitleTrack = this.tracks[trackId];
        if (!subtitleTrack) {
          return;
        }
  
        var details = subtitleTrack.details;
        // check if we need to load playlist for this subtitle Track
        if (details === undefined || details.live === true) {
          // track not retrieved yet, or live playlist we need to (re)load it
          _logger.logger.log('(re)loading playlist for subtitle track ' + trackId);
          this.hls.trigger(_events2.default.SUBTITLE_TRACK_LOADING, { url: subtitleTrack.url, id: trackId });
        }
      }
    }, {
      key: 'onSubtitleTrackLoaded',
      value: function onSubtitleTrackLoaded(data) {
        var _this4 = this;
  
        if (data.id < this.tracks.length) {
          _logger.logger.log('subtitle track ' + data.id + ' loaded');
          this.tracks[data.id].details = data.details;
          // check if current playlist is a live playlist
          if (data.details.live && !this.timer) {
            // if live playlist we will have to reload it periodically
            // set reload period to playlist target duration
            this.timer = setInterval(function () {
              _this4.onTick();
            }, 1000 * data.details.targetduration, this);
          }
          if (!data.details.live && this.timer) {
            // playlist is not live and timer is armed : stopping it
            clearInterval(this.timer);
            this.timer = null;
          }
        }
      }
  
      /** get alternate subtitle tracks list from playlist **/
  
    }, {
      key: 'setSubtitleTrackInternal',
      value: function setSubtitleTrackInternal(newId) {
        // check if level idx is valid
        if (newId >= 0 && newId < this.tracks.length) {
          // stopping live reloading timer if any
          if (this.timer) {
            clearInterval(this.timer);
            this.timer = null;
          }
          this.trackId = newId;
          _logger.logger.log('switching to subtitle track ' + newId);
          var subtitleTrack = this.tracks[newId];
          this.hls.trigger(_events2.default.SUBTITLE_TRACK_SWITCH, { id: newId });
          // check if we need to load playlist for this subtitle Track
          var details = subtitleTrack.details;
          if (details === undefined || details.live === true) {
            // track not retrieved yet, or live playlist we need to (re)load it
            _logger.logger.log('(re)loading playlist for subtitle track ' + newId);
            this.hls.trigger(_events2.default.SUBTITLE_TRACK_LOADING, { url: subtitleTrack.url, id: newId });
          }
        }
      }
    }, {
      key: 'subtitleTracks',
      get: function get() {
        return this.tracks;
      }
  
      /** get index of the selected subtitle track (index in subtitle track lists) **/
  
    }, {
      key: 'subtitleTrack',
      get: function get() {
        return this.trackId;
      }
  
      /** select a subtitle track, based on its index in subtitle track lists**/
      ,
      set: function set(subtitleTrackId) {
        if (this.trackId !== subtitleTrackId) {
          // || this.tracks[subtitleTrackId].details === undefined) {
          this.setSubtitleTrackInternal(subtitleTrackId);
        }
      }
    }]);
  
    return SubtitleTrackController;
  }(_eventHandler2.default);
  
  exports.default = SubtitleTrackController;
  
  },{"34":34,"35":35,"53":53}],16:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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 _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  var _eventHandler = _dereq_(34);
  
  var _eventHandler2 = _interopRequireDefault(_eventHandler);
  
  var _cea608Parser = _dereq_(49);
  
  var _cea608Parser2 = _interopRequireDefault(_cea608Parser);
  
  var _webvttParser = _dereq_(57);
  
  var _webvttParser2 = _interopRequireDefault(_webvttParser);
  
  var _logger = _dereq_(53);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  function _possibleConstructorReturn(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; }
  
  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); } 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; } /*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  * Timeline Controller
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 */
  
  function clearCurrentCues(track) {
    if (track && track.cues) {
      while (track.cues.length > 0) {
        track.removeCue(track.cues[0]);
      }
    }
  }
  
  function reuseVttTextTrack(inUseTrack, manifestTrack) {
    return inUseTrack && inUseTrack.label === manifestTrack.name && !(inUseTrack.textTrack1 || inUseTrack.textTrack2);
  }
  
  function intersection(x1, x2, y1, y2) {
    return Math.min(x2, y2) - Math.max(x1, y1);
  }
  
  var TimelineController = function (_EventHandler) {
    _inherits(TimelineController, _EventHandler);
  
    function TimelineController(hls) {
      _classCallCheck(this, TimelineController);
  
      var _this = _possibleConstructorReturn(this, (TimelineController.__proto__ || Object.getPrototypeOf(TimelineController)).call(this, hls, _events2.default.MEDIA_ATTACHING, _events2.default.MEDIA_DETACHING, _events2.default.FRAG_PARSING_USERDATA, _events2.default.MANIFEST_LOADING, _events2.default.MANIFEST_LOADED, _events2.default.FRAG_LOADED, _events2.default.LEVEL_SWITCHING, _events2.default.INIT_PTS_FOUND));
  
      _this.hls = hls;
      _this.config = hls.config;
      _this.enabled = true;
      _this.Cues = hls.config.cueHandler;
      _this.textTracks = [];
      _this.tracks = [];
      _this.unparsedVttFrags = [];
      _this.initPTS = undefined;
      _this.cueRanges = [];
  
      if (_this.config.enableCEA708Captions) {
        var self = _this;
        var sendAddTrackEvent = function sendAddTrackEvent(track, media) {
          var e = null;
          try {
            e = new window.Event('addtrack');
          } catch (err) {
            //for IE11
            e = document.createEvent('Event');
            e.initEvent('addtrack', false, false);
          }
          e.track = track;
          media.dispatchEvent(e);
        };
  
        var channel1 = {
          'newCue': function newCue(startTime, endTime, screen) {
            if (!self.textTrack1) {
              //Enable reuse of existing text track.
              var existingTrack1 = self.getExistingTrack('1');
              if (!existingTrack1) {
                var textTrack1 = self.createTextTrack('captions', self.config.captionsTextTrack1Label, self.config.captionsTextTrack1LanguageCode);
                if (textTrack1) {
                  textTrack1.textTrack1 = true;
                  self.textTrack1 = textTrack1;
                }
              } else {
                self.textTrack1 = existingTrack1;
                clearCurrentCues(self.textTrack1);
  
                sendAddTrackEvent(self.textTrack1, self.media);
              }
            }
            self.addCues('textTrack1', startTime, endTime, screen);
          }
        };
  
        var channel2 = {
          'newCue': function newCue(startTime, endTime, screen) {
            if (!self.textTrack2) {
              //Enable reuse of existing text track.
              var existingTrack2 = self.getExistingTrack('2');
              if (!existingTrack2) {
                var textTrack2 = self.createTextTrack('captions', self.config.captionsTextTrack2Label, self.config.captionsTextTrack1LanguageCode);
                if (textTrack2) {
                  textTrack2.textTrack2 = true;
                  self.textTrack2 = textTrack2;
                }
              } else {
                self.textTrack2 = existingTrack2;
                clearCurrentCues(self.textTrack2);
  
                sendAddTrackEvent(self.textTrack2, self.media);
              }
            }
            self.addCues('textTrack2', startTime, endTime, screen);
          }
        };
  
        _this.cea608Parser = new _cea608Parser2.default(0, channel1, channel2);
      }
      return _this;
    }
  
    _createClass(TimelineController, [{
      key: 'addCues',
      value: function addCues(channel, startTime, endTime, screen) {
        // skip cues which overlap more than 50% with previously parsed time ranges
        var ranges = this.cueRanges;
        var merged = false;
        for (var i = ranges.length; i--;) {
          var cueRange = ranges[i];
          var overlap = intersection(cueRange[0], cueRange[1], startTime, endTime);
          if (overlap >= 0) {
            cueRange[0] = Math.min(cueRange[0], startTime);
            cueRange[1] = Math.max(cueRange[1], endTime);
            merged = true;
            if (overlap / (endTime - startTime) > 0.5) {
              return;
            }
          }
        }
        if (!merged) {
          ranges.push([startTime, endTime]);
        }
        this.Cues.newCue(this[channel], startTime, endTime, screen);
      }
  
      // Triggered when an initial PTS is found; used for synchronisation of WebVTT.
  
    }, {
      key: 'onInitPtsFound',
      value: function onInitPtsFound(data) {
        var _this2 = this;
  
        if (typeof this.initPTS === 'undefined') {
          this.initPTS = data.initPTS;
        }
  
        // Due to asynchrony, initial PTS may arrive later than the first VTT fragments are loaded.
        // Parse any unparsed fragments upon receiving the initial PTS.
        if (this.unparsedVttFrags.length) {
          this.unparsedVttFrags.forEach(function (frag) {
            _this2.onFragLoaded(frag);
          });
          this.unparsedVttFrags = [];
        }
      }
    }, {
      key: 'getExistingTrack',
      value: function getExistingTrack(channelNumber) {
        var media = this.media;
        if (media) {
          for (var i = 0; i < media.textTracks.length; i++) {
            var textTrack = media.textTracks[i];
            var propName = 'textTrack' + channelNumber;
            if (textTrack[propName] === true) {
              return textTrack;
            }
          }
        }
        return null;
      }
    }, {
      key: 'createTextTrack',
      value: function createTextTrack(kind, label, lang) {
        var media = this.media;
        if (media) {
          return media.addTextTrack(kind, label, lang);
        }
      }
    }, {
      key: 'destroy',
      value: function destroy() {
        _eventHandler2.default.prototype.destroy.call(this);
      }
    }, {
      key: 'onMediaAttaching',
      value: function onMediaAttaching(data) {
        this.media = data.media;
      }
    }, {
      key: 'onMediaDetaching',
      value: function onMediaDetaching() {
        clearCurrentCues(this.textTrack1);
        clearCurrentCues(this.textTrack2);
      }
    }, {
      key: 'onManifestLoading',
      value: function onManifestLoading() {
        this.lastSn = -1; // Detect discontiguity in fragment parsing
        this.prevCC = -1;
        this.vttCCs = { ccOffset: 0, presentationOffset: 0 }; // Detect discontinuity in subtitle manifests
  
        // clear outdated subtitles
        var media = this.media;
        if (media) {
          var textTracks = media.textTracks;
          if (textTracks) {
            for (var i = 0; i < textTracks.length; i++) {
              clearCurrentCues(textTracks[i]);
            }
          }
        }
      }
    }, {
      key: 'onManifestLoaded',
      value: function onManifestLoaded(data) {
        var _this3 = this;
  
        this.textTracks = [];
        this.unparsedVttFrags = this.unparsedVttFrags || [];
        this.initPTS = undefined;
        this.cueRanges = [];
  
        if (this.config.enableWebVTT) {
          this.tracks = data.subtitles || [];
          var inUseTracks = this.media ? this.media.textTracks : [];
  
          this.tracks.forEach(function (track, index) {
            var textTrack = void 0;
            if (index < inUseTracks.length) {
              var inUseTrack = inUseTracks[index];
              // Reuse tracks with the same label, but do not reuse 608/708 tracks
              if (reuseVttTextTrack(inUseTrack, track)) {
                textTrack = inUseTrack;
              }
            }
            if (!textTrack) {
              textTrack = _this3.createTextTrack('subtitles', track.name, track.lang);
            }
            textTrack.mode = track.default ? 'showing' : 'hidden';
            _this3.textTracks.push(textTrack);
          });
        }
      }
    }, {
      key: 'onLevelSwitching',
      value: function onLevelSwitching() {
        this.enabled = this.hls.currentLevel.closedCaptions !== 'NONE';
      }
    }, {
      key: 'onFragLoaded',
      value: function onFragLoaded(data) {
        var frag = data.frag,
            payload = data.payload;
        if (frag.type === 'main') {
          var sn = frag.sn;
          // if this frag isn't contiguous, clear the parser so cues with bad start/end times aren't added to the textTrack
          if (sn !== this.lastSn + 1) {
            var cea608Parser = this.cea608Parser;
            if (cea608Parser) {
              cea608Parser.reset();
            }
          }
          this.lastSn = sn;
        }
        // If fragment is subtitle type, parse as WebVTT.
        else if (frag.type === 'subtitle') {
            if (payload.byteLength) {
              // We need an initial synchronisation PTS. Store fragments as long as none has arrived.
              if (typeof this.initPTS === 'undefined') {
                this.unparsedVttFrags.push(data);
                return;
              }
              var vttCCs = this.vttCCs;
              if (!vttCCs[frag.cc]) {
                vttCCs[frag.cc] = { start: frag.start, prevCC: this.prevCC, new: true };
                this.prevCC = frag.cc;
              }
              var textTracks = this.textTracks,
                  hls = this.hls;
  
              // Parse the WebVTT file contents.
              _webvttParser2.default.parse(payload, this.initPTS, vttCCs, frag.cc, function (cues) {
                var currentTrack = textTracks[frag.trackId];
                // Add cues and trigger event with success true.
                cues.forEach(function (cue) {
                  // Sometimes there are cue overlaps on segmented vtts so the same
                  // cue can appear more than once in different vtt files.
                  // This avoid showing duplicated cues with same timecode and text.
                  if (!currentTrack.cues.getCueById(cue.id)) {
                    currentTrack.addCue(cue);
                  }
                });
                hls.trigger(_events2.default.SUBTITLE_FRAG_PROCESSED, { success: true, frag: frag });
              }, function (e) {
                // Something went wrong while parsing. Trigger event with success false.
                _logger.logger.log('Failed to parse VTT cue: ' + e);
                hls.trigger(_events2.default.SUBTITLE_FRAG_PROCESSED, { success: false, frag: frag });
              });
            } else {
              // In case there is no payload, finish unsuccessfully.
              this.hls.trigger(_events2.default.SUBTITLE_FRAG_PROCESSED, { success: false, frag: frag });
            }
          }
      }
    }, {
      key: 'onFragParsingUserdata',
      value: function onFragParsingUserdata(data) {
        // push all of the CEA-708 messages into the interpreter
        // immediately. It will create the proper timestamps based on our PTS value
        if (this.enabled && this.config.enableCEA708Captions) {
          for (var i = 0; i < data.samples.length; i++) {
            var ccdatas = this.extractCea608Data(data.samples[i].bytes);
            this.cea608Parser.addData(data.samples[i].pts, ccdatas);
          }
        }
      }
    }, {
      key: 'extractCea608Data',
      value: function extractCea608Data(byteArray) {
        var count = byteArray[0] & 31;
        var position = 2;
        var tmpByte, ccbyte1, ccbyte2, ccValid, ccType;
        var actualCCBytes = [];
  
        for (var j = 0; j < count; j++) {
          tmpByte = byteArray[position++];
          ccbyte1 = 0x7F & byteArray[position++];
          ccbyte2 = 0x7F & byteArray[position++];
          ccValid = (4 & tmpByte) !== 0;
          ccType = 3 & tmpByte;
  
          if (ccbyte1 === 0 && ccbyte2 === 0) {
            continue;
          }
  
          if (ccValid) {
            if (ccType === 0) // || ccType === 1
              {
                actualCCBytes.push(ccbyte1);
                actualCCBytes.push(ccbyte2);
              }
          }
        }
        return actualCCBytes;
      }
    }]);
  
    return TimelineController;
  }(_eventHandler2.default);
  
  exports.default = TimelineController;
  
  },{"34":34,"35":35,"49":49,"53":53,"57":57}],17:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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; }; }();
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var AESCrypto = function () {
    function AESCrypto(subtle, iv) {
      _classCallCheck(this, AESCrypto);
  
      this.subtle = subtle;
      this.aesIV = iv;
    }
  
    _createClass(AESCrypto, [{
      key: 'decrypt',
      value: function decrypt(data, key) {
        return this.subtle.decrypt({ name: 'AES-CBC', iv: this.aesIV }, key, data);
      }
    }]);
  
    return AESCrypto;
  }();
  
  exports.default = AESCrypto;
  
  },{}],18:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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; }; }();
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var AESDecryptor = function () {
    function AESDecryptor() {
      _classCallCheck(this, AESDecryptor);
  
      // Static after running initTable
      this.rcon = [0x0, 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36];
      this.subMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)];
      this.invSubMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)];
      this.sBox = new Uint32Array(256);
      this.invSBox = new Uint32Array(256);
  
      // Changes during runtime
      this.key = new Uint32Array(0);
  
      this.initTable();
    }
  
    // Using view.getUint32() also swaps the byte order.
  
  
    _createClass(AESDecryptor, [{
      key: 'uint8ArrayToUint32Array_',
      value: function uint8ArrayToUint32Array_(arrayBuffer) {
        var view = new DataView(arrayBuffer);
        var newArray = new Uint32Array(4);
        for (var i = 0; i < 4; i++) {
          newArray[i] = view.getUint32(i * 4);
        }
        return newArray;
      }
    }, {
      key: 'initTable',
      value: function initTable() {
        var sBox = this.sBox;
        var invSBox = this.invSBox;
        var subMix = this.subMix;
        var subMix0 = subMix[0];
        var subMix1 = subMix[1];
        var subMix2 = subMix[2];
        var subMix3 = subMix[3];
        var invSubMix = this.invSubMix;
        var invSubMix0 = invSubMix[0];
        var invSubMix1 = invSubMix[1];
        var invSubMix2 = invSubMix[2];
        var invSubMix3 = invSubMix[3];
  
        var d = new Uint32Array(256);
        var x = 0;
        var xi = 0;
        var i = 0;
        for (i = 0; i < 256; i++) {
          if (i < 128) {
            d[i] = i << 1;
          } else {
            d[i] = i << 1 ^ 0x11b;
          }
        }
  
        for (i = 0; i < 256; i++) {
          var sx = xi ^ xi << 1 ^ xi << 2 ^ xi << 3 ^ xi << 4;
          sx = sx >>> 8 ^ sx & 0xff ^ 0x63;
          sBox[x] = sx;
          invSBox[sx] = x;
  
          // Compute multiplication
          var x2 = d[x];
          var x4 = d[x2];
          var x8 = d[x4];
  
          // Compute sub/invSub bytes, mix columns tables
          var t = d[sx] * 0x101 ^ sx * 0x1010100;
          subMix0[x] = t << 24 | t >>> 8;
          subMix1[x] = t << 16 | t >>> 16;
          subMix2[x] = t << 8 | t >>> 24;
          subMix3[x] = t;
  
          // Compute inv sub bytes, inv mix columns tables
          t = x8 * 0x1010101 ^ x4 * 0x10001 ^ x2 * 0x101 ^ x * 0x1010100;
          invSubMix0[sx] = t << 24 | t >>> 8;
          invSubMix1[sx] = t << 16 | t >>> 16;
          invSubMix2[sx] = t << 8 | t >>> 24;
          invSubMix3[sx] = t;
  
          // Compute next counter
          if (!x) {
            x = xi = 1;
          } else {
            x = x2 ^ d[d[d[x8 ^ x2]]];
            xi ^= d[d[xi]];
          }
        }
      }
    }, {
      key: 'expandKey',
      value: function expandKey(keyBuffer) {
        // convert keyBuffer to Uint32Array
        var key = this.uint8ArrayToUint32Array_(keyBuffer);
        var sameKey = true;
        var offset = 0;
  
        while (offset < key.length && sameKey) {
          sameKey = key[offset] === this.key[offset];
          offset++;
        }
  
        if (sameKey) {
          return;
        }
  
        this.key = key;
        var keySize = this.keySize = key.length;
  
        if (keySize !== 4 && keySize !== 6 && keySize !== 8) {
          throw new Error('Invalid aes key size=' + keySize);
        }
  
        var ksRows = this.ksRows = (keySize + 6 + 1) * 4;
        var ksRow = void 0;
        var invKsRow = void 0;
  
        var keySchedule = this.keySchedule = new Uint32Array(ksRows);
        var invKeySchedule = this.invKeySchedule = new Uint32Array(ksRows);
        var sbox = this.sBox;
        var rcon = this.rcon;
  
        var invSubMix = this.invSubMix;
        var invSubMix0 = invSubMix[0];
        var invSubMix1 = invSubMix[1];
        var invSubMix2 = invSubMix[2];
        var invSubMix3 = invSubMix[3];
  
        var prev = void 0;
        var t = void 0;
  
        for (ksRow = 0; ksRow < ksRows; ksRow++) {
          if (ksRow < keySize) {
            prev = keySchedule[ksRow] = key[ksRow];
            continue;
          }
          t = prev;
  
          if (ksRow % keySize === 0) {
            // Rot word
            t = t << 8 | t >>> 24;
  
            // Sub word
            t = sbox[t >>> 24] << 24 | sbox[t >>> 16 & 0xff] << 16 | sbox[t >>> 8 & 0xff] << 8 | sbox[t & 0xff];
  
            // Mix Rcon
            t ^= rcon[ksRow / keySize | 0] << 24;
          } else if (keySize > 6 && ksRow % keySize === 4) {
            // Sub word
            t = sbox[t >>> 24] << 24 | sbox[t >>> 16 & 0xff] << 16 | sbox[t >>> 8 & 0xff] << 8 | sbox[t & 0xff];
          }
  
          keySchedule[ksRow] = prev = (keySchedule[ksRow - keySize] ^ t) >>> 0;
        }
  
        for (invKsRow = 0; invKsRow < ksRows; invKsRow++) {
          ksRow = ksRows - invKsRow;
          if (invKsRow & 3) {
            t = keySchedule[ksRow];
          } else {
            t = keySchedule[ksRow - 4];
          }
  
          if (invKsRow < 4 || ksRow <= 4) {
            invKeySchedule[invKsRow] = t;
          } else {
            invKeySchedule[invKsRow] = invSubMix0[sbox[t >>> 24]] ^ invSubMix1[sbox[t >>> 16 & 0xff]] ^ invSubMix2[sbox[t >>> 8 & 0xff]] ^ invSubMix3[sbox[t & 0xff]];
          }
  
          invKeySchedule[invKsRow] = invKeySchedule[invKsRow] >>> 0;
        }
      }
  
      // Adding this as a method greatly improves performance.
  
    }, {
      key: 'networkToHostOrderSwap',
      value: function networkToHostOrderSwap(word) {
        return word << 24 | (word & 0xff00) << 8 | (word & 0xff0000) >> 8 | word >>> 24;
      }
    }, {
      key: 'decrypt',
      value: function decrypt(inputArrayBuffer, offset, aesIV) {
        var nRounds = this.keySize + 6;
        var invKeySchedule = this.invKeySchedule;
        var invSBOX = this.invSBox;
  
        var invSubMix = this.invSubMix;
        var invSubMix0 = invSubMix[0];
        var invSubMix1 = invSubMix[1];
        var invSubMix2 = invSubMix[2];
        var invSubMix3 = invSubMix[3];
  
        var initVector = this.uint8ArrayToUint32Array_(aesIV);
        var initVector0 = initVector[0];
        var initVector1 = initVector[1];
        var initVector2 = initVector[2];
        var initVector3 = initVector[3];
  
        var inputInt32 = new Int32Array(inputArrayBuffer);
        var outputInt32 = new Int32Array(inputInt32.length);
  
        var t0 = void 0,
            t1 = void 0,
            t2 = void 0,
            t3 = void 0;
        var s0 = void 0,
            s1 = void 0,
            s2 = void 0,
            s3 = void 0;
        var inputWords0 = void 0,
            inputWords1 = void 0,
            inputWords2 = void 0,
            inputWords3 = void 0;
  
        var ksRow, i;
        var swapWord = this.networkToHostOrderSwap;
  
        while (offset < inputInt32.length) {
          inputWords0 = swapWord(inputInt32[offset]);
          inputWords1 = swapWord(inputInt32[offset + 1]);
          inputWords2 = swapWord(inputInt32[offset + 2]);
          inputWords3 = swapWord(inputInt32[offset + 3]);
  
          s0 = inputWords0 ^ invKeySchedule[0];
          s1 = inputWords3 ^ invKeySchedule[1];
          s2 = inputWords2 ^ invKeySchedule[2];
          s3 = inputWords1 ^ invKeySchedule[3];
  
          ksRow = 4;
  
          // Iterate through the rounds of decryption
          for (i = 1; i < nRounds; i++) {
            t0 = invSubMix0[s0 >>> 24] ^ invSubMix1[s1 >> 16 & 0xff] ^ invSubMix2[s2 >> 8 & 0xff] ^ invSubMix3[s3 & 0xff] ^ invKeySchedule[ksRow];
            t1 = invSubMix0[s1 >>> 24] ^ invSubMix1[s2 >> 16 & 0xff] ^ invSubMix2[s3 >> 8 & 0xff] ^ invSubMix3[s0 & 0xff] ^ invKeySchedule[ksRow + 1];
            t2 = invSubMix0[s2 >>> 24] ^ invSubMix1[s3 >> 16 & 0xff] ^ invSubMix2[s0 >> 8 & 0xff] ^ invSubMix3[s1 & 0xff] ^ invKeySchedule[ksRow + 2];
            t3 = invSubMix0[s3 >>> 24] ^ invSubMix1[s0 >> 16 & 0xff] ^ invSubMix2[s1 >> 8 & 0xff] ^ invSubMix3[s2 & 0xff] ^ invKeySchedule[ksRow + 3];
            // Update state
            s0 = t0;
            s1 = t1;
            s2 = t2;
            s3 = t3;
  
            ksRow = ksRow + 4;
          }
  
          // Shift rows, sub bytes, add round key
          t0 = invSBOX[s0 >>> 24] << 24 ^ invSBOX[s1 >> 16 & 0xff] << 16 ^ invSBOX[s2 >> 8 & 0xff] << 8 ^ invSBOX[s3 & 0xff] ^ invKeySchedule[ksRow];
          t1 = invSBOX[s1 >>> 24] << 24 ^ invSBOX[s2 >> 16 & 0xff] << 16 ^ invSBOX[s3 >> 8 & 0xff] << 8 ^ invSBOX[s0 & 0xff] ^ invKeySchedule[ksRow + 1];
          t2 = invSBOX[s2 >>> 24] << 24 ^ invSBOX[s3 >> 16 & 0xff] << 16 ^ invSBOX[s0 >> 8 & 0xff] << 8 ^ invSBOX[s1 & 0xff] ^ invKeySchedule[ksRow + 2];
          t3 = invSBOX[s3 >>> 24] << 24 ^ invSBOX[s0 >> 16 & 0xff] << 16 ^ invSBOX[s1 >> 8 & 0xff] << 8 ^ invSBOX[s2 & 0xff] ^ invKeySchedule[ksRow + 3];
          ksRow = ksRow + 3;
  
          // Write
          outputInt32[offset] = swapWord(t0 ^ initVector0);
          outputInt32[offset + 1] = swapWord(t3 ^ initVector1);
          outputInt32[offset + 2] = swapWord(t2 ^ initVector2);
          outputInt32[offset + 3] = swapWord(t1 ^ initVector3);
  
          // reset initVector to last 4 unsigned int
          initVector0 = inputWords0;
          initVector1 = inputWords1;
          initVector2 = inputWords2;
          initVector3 = inputWords3;
  
          offset = offset + 4;
        }
  
        return outputInt32.buffer;
      }
    }, {
      key: 'destroy',
      value: function destroy() {
        this.key = undefined;
        this.keySize = undefined;
        this.ksRows = undefined;
  
        this.sBox = undefined;
        this.invSBox = undefined;
        this.subMix = undefined;
        this.invSubMix = undefined;
        this.keySchedule = undefined;
        this.invKeySchedule = undefined;
  
        this.rcon = undefined;
      }
    }]);
  
    return AESDecryptor;
  }();
  
  exports.default = AESDecryptor;
  
  },{}],19:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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 _aesCrypto = _dereq_(17);
  
  var _aesCrypto2 = _interopRequireDefault(_aesCrypto);
  
  var _fastAesKey = _dereq_(20);
  
  var _fastAesKey2 = _interopRequireDefault(_fastAesKey);
  
  var _aesDecryptor = _dereq_(18);
  
  var _aesDecryptor2 = _interopRequireDefault(_aesDecryptor);
  
  var _errors = _dereq_(33);
  
  var _logger = _dereq_(53);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  /*globals self: false */
  
  var Decrypter = function () {
    function Decrypter(observer, config) {
      _classCallCheck(this, Decrypter);
  
      this.observer = observer;
      this.config = config;
      this.logEnabled = true;
      try {
        var browserCrypto = crypto ? crypto : self.crypto;
        this.subtle = browserCrypto.subtle || browserCrypto.webkitSubtle;
      } catch (e) {}
      this.disableWebCrypto = !this.subtle;
    }
  
    _createClass(Decrypter, [{
      key: 'isSync',
      value: function isSync() {
        return this.disableWebCrypto && this.config.enableSoftwareAES;
      }
    }, {
      key: 'decrypt',
      value: function decrypt(data, key, iv, callback) {
        var _this = this;
  
        if (this.disableWebCrypto && this.config.enableSoftwareAES) {
          if (this.logEnabled) {
            _logger.logger.log('JS AES decrypt');
            this.logEnabled = false;
          }
          var decryptor = this.decryptor;
          if (!decryptor) {
            this.decryptor = decryptor = new _aesDecryptor2.default();
          }
          decryptor.expandKey(key);
          callback(decryptor.decrypt(data, 0, iv));
        } else {
          if (this.logEnabled) {
            _logger.logger.log('WebCrypto AES decrypt');
            this.logEnabled = false;
          }
          var subtle = this.subtle;
          if (this.key !== key) {
            this.key = key;
            this.fastAesKey = new _fastAesKey2.default(subtle, key);
          }
  
          this.fastAesKey.expandKey().then(function (aesKey) {
            // decrypt using web crypto
            var crypto = new _aesCrypto2.default(subtle, iv);
            crypto.decrypt(data, aesKey).catch(function (err) {
              _this.onWebCryptoError(err, data, key, iv, callback);
            }).then(function (result) {
              callback(result);
            });
          }).catch(function (err) {
            _this.onWebCryptoError(err, data, key, iv, callback);
          });
        }
      }
    }, {
      key: 'onWebCryptoError',
      value: function onWebCryptoError(err, data, key, iv, callback) {
        if (this.config.enableSoftwareAES) {
          _logger.logger.log('WebCrypto Error, disable WebCrypto API');
          this.disableWebCrypto = true;
          this.logEnabled = true;
          this.decrypt(data, key, iv, callback);
        } else {
          _logger.logger.error('decrypting error : ' + err.message);
          this.observer.trigger(Event.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.FRAG_DECRYPT_ERROR, fatal: true, reason: err.message });
        }
      }
    }, {
      key: 'destroy',
      value: function destroy() {
        var decryptor = this.decryptor;
        if (decryptor) {
          decryptor.destroy();
          this.decryptor = undefined;
        }
      }
    }]);
  
    return Decrypter;
  }();
  
  exports.default = Decrypter;
  
  },{"17":17,"18":18,"20":20,"33":33,"53":53}],20:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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; }; }();
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var FastAESKey = function () {
    function FastAESKey(subtle, key) {
      _classCallCheck(this, FastAESKey);
  
      this.subtle = subtle;
      this.key = key;
    }
  
    _createClass(FastAESKey, [{
      key: 'expandKey',
      value: function expandKey() {
        return this.subtle.importKey('raw', this.key, { name: 'AES-CBC' }, false, ['encrypt', 'decrypt']);
      }
    }]);
  
    return FastAESKey;
  }();
  
  exports.default = FastAESKey;
  
  },{}],21:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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; }; }(); /**
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        * AAC demuxer
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        */
  
  
  var _adts = _dereq_(22);
  
  var _adts2 = _interopRequireDefault(_adts);
  
  var _logger = _dereq_(53);
  
  var _id = _dereq_(27);
  
  var _id2 = _interopRequireDefault(_id);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var AACDemuxer = function () {
    function AACDemuxer(observer, remuxer, config) {
      _classCallCheck(this, AACDemuxer);
  
      this.observer = observer;
      this.config = config;
      this.remuxer = remuxer;
    }
  
    _createClass(AACDemuxer, [{
      key: 'resetInitSegment',
      value: function resetInitSegment(initSegment, audioCodec, videoCodec, duration) {
        this._audioTrack = { container: 'audio/adts', type: 'audio', id: -1, sequenceNumber: 0, isAAC: true, samples: [], len: 0, manifestCodec: audioCodec, duration: duration, inputTimeScale: 90000 };
      }
    }, {
      key: 'resetTimeStamp',
      value: function resetTimeStamp() {}
    }, {
      key: 'append',
  
  
      // feed incoming data to the front of the parsing pipeline
      value: function append(data, timeOffset, contiguous, accurateTimeOffset) {
        var track,
            id3 = new _id2.default(data),
            pts = 90 * id3.timeStamp,
            config,
            frameLength,
            frameDuration,
            frameIndex,
            offset,
            headerLength,
            stamp,
            length,
            aacSample;
  
        track = this._audioTrack;
  
        // Look for ADTS header
        for (offset = id3.length, length = data.length; offset < length - 1; offset++) {
          if (data[offset] === 0xff && (data[offset + 1] & 0xf6) === 0xf0) {
            break;
          }
        }
  
        if (!track.samplerate) {
          config = _adts2.default.getAudioConfig(this.observer, data, offset, track.manifestCodec);
          track.config = config.config;
          track.samplerate = config.samplerate;
          track.channelCount = config.channelCount;
          track.codec = config.codec;
          _logger.logger.log('parsed codec:' + track.codec + ',rate:' + config.samplerate + ',nb channel:' + config.channelCount);
        }
        frameIndex = 0;
        frameDuration = 1024 * 90000 / track.samplerate;
        while (offset + 5 < length) {
          // The protection skip bit tells us if we have 2 bytes of CRC data at the end of the ADTS header
          headerLength = !!(data[offset + 1] & 0x01) ? 7 : 9;
          // retrieve frame size
          frameLength = (data[offset + 3] & 0x03) << 11 | data[offset + 4] << 3 | (data[offset + 5] & 0xE0) >>> 5;
          frameLength -= headerLength;
          //stamp = pes.pts;
  
          if (frameLength > 0 && offset + headerLength + frameLength <= length) {
            stamp = pts + frameIndex * frameDuration;
            //logger.log(`AAC frame, offset/length/total/pts:${offset+headerLength}/${frameLength}/${data.byteLength}/${(stamp/90).toFixed(0)}`);
            aacSample = { unit: data.subarray(offset + headerLength, offset + headerLength + frameLength), pts: stamp, dts: stamp };
            track.samples.push(aacSample);
            track.len += frameLength;
            offset += frameLength + headerLength;
            frameIndex++;
            // look for ADTS header (0xFFFx)
            for (; offset < length - 1; offset++) {
              if (data[offset] === 0xff && (data[offset + 1] & 0xf6) === 0xf0) {
                break;
              }
            }
          } else {
            break;
          }
        }
        this.remuxer.remux(track, { samples: [] }, { samples: [{ pts: pts, dts: pts, data: id3.payload }], inputTimeScale: 90000 }, { samples: [] }, timeOffset, contiguous, accurateTimeOffset);
      }
    }, {
      key: 'destroy',
      value: function destroy() {}
    }], [{
      key: 'probe',
      value: function probe(data) {
        // check if data contains ID3 timestamp and ADTS sync word
        var id3 = new _id2.default(data),
            offset,
            length;
        if (id3.hasTimeStamp) {
          // Look for ADTS header | 1111 1111 | 1111 X00X | where X can be either 0 or 1
          // Layer bits (position 14 and 15) in header should be always 0 for ADTS
          // More info https://wiki.multimedia.cx/index.php?title=ADTS
          for (offset = id3.length, length = Math.min(data.length - 1, offset + 100); offset < length; offset++) {
            if (data[offset] === 0xff && (data[offset + 1] & 0xf6) === 0xf0) {
              //logger.log('ADTS sync word found !');
              return true;
            }
          }
        }
        return false;
      }
    }]);
  
    return AACDemuxer;
  }();
  
  exports.default = AACDemuxer;
  
  },{"22":22,"27":27,"53":53}],22:[function(_dereq_,module,exports){
  'use strict';
  
  var _logger = _dereq_(53);
  
  var _errors = _dereq_(33);
  
  /**
   *  ADTS parser helper
   */
  var ADTS = {
    getAudioConfig: function getAudioConfig(observer, data, offset, audioCodec) {
      var adtsObjectType,
          // :int
      adtsSampleingIndex,
          // :int
      adtsExtensionSampleingIndex,
          // :int
      adtsChanelConfig,
          // :int
      config,
          userAgent = navigator.userAgent.toLowerCase(),
          manifestCodec = audioCodec,
          adtsSampleingRates = [96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350];
      // byte 2
      adtsObjectType = ((data[offset + 2] & 0xC0) >>> 6) + 1;
      adtsSampleingIndex = (data[offset + 2] & 0x3C) >>> 2;
      if (adtsSampleingIndex > adtsSampleingRates.length - 1) {
        observer.trigger(Event.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.FRAG_PARSING_ERROR, fatal: true, reason: 'invalid ADTS sampling index:' + adtsSampleingIndex });
        return;
      }
      adtsChanelConfig = (data[offset + 2] & 0x01) << 2;
      // byte 3
      adtsChanelConfig |= (data[offset + 3] & 0xC0) >>> 6;
      _logger.logger.log('manifest codec:' + audioCodec + ',ADTS data:type:' + adtsObjectType + ',sampleingIndex:' + adtsSampleingIndex + '[' + adtsSampleingRates[adtsSampleingIndex] + 'Hz],channelConfig:' + adtsChanelConfig);
      // firefox: freq less than 24kHz = AAC SBR (HE-AAC)
      if (/firefox/i.test(userAgent)) {
        if (adtsSampleingIndex >= 6) {
          adtsObjectType = 5;
          config = new Array(4);
          // HE-AAC uses SBR (Spectral Band Replication) , high frequencies are constructed from low frequencies
          // there is a factor 2 between frame sample rate and output sample rate
          // multiply frequency by 2 (see table below, equivalent to substract 3)
          adtsExtensionSampleingIndex = adtsSampleingIndex - 3;
        } else {
          adtsObjectType = 2;
          config = new Array(2);
          adtsExtensionSampleingIndex = adtsSampleingIndex;
        }
        // Android : always use AAC
      } else if (userAgent.indexOf('android') !== -1) {
        adtsObjectType = 2;
        config = new Array(2);
        adtsExtensionSampleingIndex = adtsSampleingIndex;
      } else {
        /*  for other browsers (Chrome/Vivaldi/Opera ...)
            always force audio type to be HE-AAC SBR, as some browsers do not support audio codec switch properly (like Chrome ...)
        */
        adtsObjectType = 5;
        config = new Array(4);
        // if (manifest codec is HE-AAC or HE-AACv2) OR (manifest codec not specified AND frequency less than 24kHz)
        if (audioCodec && (audioCodec.indexOf('mp4a.40.29') !== -1 || audioCodec.indexOf('mp4a.40.5') !== -1) || !audioCodec && adtsSampleingIndex >= 6) {
          // HE-AAC uses SBR (Spectral Band Replication) , high frequencies are constructed from low frequencies
          // there is a factor 2 between frame sample rate and output sample rate
          // multiply frequency by 2 (see table below, equivalent to substract 3)
          adtsExtensionSampleingIndex = adtsSampleingIndex - 3;
        } else {
          // if (manifest codec is AAC) AND (frequency less than 24kHz AND nb channel is 1) OR (manifest codec not specified and mono audio)
          // Chrome fails to play back with low frequency AAC LC mono when initialized with HE-AAC.  This is not a problem with stereo.
          if (audioCodec && audioCodec.indexOf('mp4a.40.2') !== -1 && adtsSampleingIndex >= 6 && adtsChanelConfig === 1 || !audioCodec && adtsChanelConfig === 1) {
            adtsObjectType = 2;
            config = new Array(2);
          }
          adtsExtensionSampleingIndex = adtsSampleingIndex;
        }
      }
      /* refer to http://wiki.multimedia.cx/index.php?title=MPEG-4_Audio#Audio_Specific_Config
          ISO 14496-3 (AAC).pdf - Table 1.13 — Syntax of AudioSpecificConfig()
        Audio Profile / Audio Object Type
        0: Null
        1: AAC Main
        2: AAC LC (Low Complexity)
        3: AAC SSR (Scalable Sample Rate)
        4: AAC LTP (Long Term Prediction)
        5: SBR (Spectral Band Replication)
        6: AAC Scalable
       sampling freq
        0: 96000 Hz
        1: 88200 Hz
        2: 64000 Hz
        3: 48000 Hz
        4: 44100 Hz
        5: 32000 Hz
        6: 24000 Hz
        7: 22050 Hz
        8: 16000 Hz
        9: 12000 Hz
        10: 11025 Hz
        11: 8000 Hz
        12: 7350 Hz
        13: Reserved
        14: Reserved
        15: frequency is written explictly
        Channel Configurations
        These are the channel configurations:
        0: Defined in AOT Specifc Config
        1: 1 channel: front-center
        2: 2 channels: front-left, front-right
      */
      // audioObjectType = profile => profile, the MPEG-4 Audio Object Type minus 1
      config[0] = adtsObjectType << 3;
      // samplingFrequencyIndex
      config[0] |= (adtsSampleingIndex & 0x0E) >> 1;
      config[1] |= (adtsSampleingIndex & 0x01) << 7;
      // channelConfiguration
      config[1] |= adtsChanelConfig << 3;
      if (adtsObjectType === 5) {
        // adtsExtensionSampleingIndex
        config[1] |= (adtsExtensionSampleingIndex & 0x0E) >> 1;
        config[2] = (adtsExtensionSampleingIndex & 0x01) << 7;
        // adtsObjectType (force to 2, chrome is checking that object type is less than 5 ???
        //    https://chromium.googlesource.com/chromium/src.git/+/master/media/formats/mp4/aac.cc
        config[2] |= 2 << 2;
        config[3] = 0;
      }
      return { config: config, samplerate: adtsSampleingRates[adtsSampleingIndex], channelCount: adtsChanelConfig, codec: 'mp4a.40.' + adtsObjectType, manifestCodec: manifestCodec };
    }
  };
  
  module.exports = ADTS;
  
  },{"33":33,"53":53}],23:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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; }; }(); /*  inline demuxer.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        *   probe fragments and instantiate appropriate demuxer depending on content type (TSDemuxer, AACDemuxer, ...)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        */
  
  var _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  var _errors = _dereq_(33);
  
  var _decrypter = _dereq_(19);
  
  var _decrypter2 = _interopRequireDefault(_decrypter);
  
  var _aacdemuxer = _dereq_(21);
  
  var _aacdemuxer2 = _interopRequireDefault(_aacdemuxer);
  
  var _mp4demuxer = _dereq_(29);
  
  var _mp4demuxer2 = _interopRequireDefault(_mp4demuxer);
  
  var _tsdemuxer = _dereq_(32);
  
  var _tsdemuxer2 = _interopRequireDefault(_tsdemuxer);
  
  var _mp3demuxer = _dereq_(28);
  
  var _mp3demuxer2 = _interopRequireDefault(_mp3demuxer);
  
  var _mp4Remuxer = _dereq_(45);
  
  var _mp4Remuxer2 = _interopRequireDefault(_mp4Remuxer);
  
  var _passthroughRemuxer = _dereq_(46);
  
  var _passthroughRemuxer2 = _interopRequireDefault(_passthroughRemuxer);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var DemuxerInline = function () {
    function DemuxerInline(observer, typeSupported, config, vendor) {
      _classCallCheck(this, DemuxerInline);
  
      this.observer = observer;
      this.typeSupported = typeSupported;
      this.config = config;
      this.vendor = vendor;
    }
  
    _createClass(DemuxerInline, [{
      key: 'destroy',
      value: function destroy() {
        var demuxer = this.demuxer;
        if (demuxer) {
          demuxer.destroy();
        }
      }
    }, {
      key: 'push',
      value: function push(data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) {
        if (data.byteLength > 0 && decryptdata != null && decryptdata.key != null && decryptdata.method === 'AES-128') {
          var decrypter = this.decrypter;
          if (decrypter == null) {
            decrypter = this.decrypter = new _decrypter2.default(this.observer, this.config);
          }
          var localthis = this;
          // performance.now() not available on WebWorker, at least on Safari Desktop
          var startTime;
          try {
            startTime = performance.now();
          } catch (error) {
            startTime = Date.now();
          }
          decrypter.decrypt(data, decryptdata.key.buffer, decryptdata.iv.buffer, function (decryptedData) {
            var endTime;
            try {
              endTime = performance.now();
            } catch (error) {
              endTime = Date.now();
            }
            localthis.observer.trigger(_events2.default.FRAG_DECRYPTED, { stats: { tstart: startTime, tdecrypt: endTime } });
            localthis.pushDecrypted(new Uint8Array(decryptedData), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);
          });
        } else {
          this.pushDecrypted(new Uint8Array(data), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);
        }
      }
    }, {
      key: 'pushDecrypted',
      value: function pushDecrypted(data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) {
        var demuxer = this.demuxer;
        if (!demuxer ||
        // in case of continuity change, we might switch from content type (AAC container to TS container for example)
        // so let's check that current demuxer is still valid
        discontinuity && !this.probe(data)) {
          var observer = this.observer;
          var typeSupported = this.typeSupported;
          var config = this.config;
          var muxConfig = [{ demux: _tsdemuxer2.default, remux: _mp4Remuxer2.default }, { demux: _mp3demuxer2.default, remux: _mp4Remuxer2.default }, { demux: _aacdemuxer2.default, remux: _mp4Remuxer2.default }, { demux: _mp4demuxer2.default, remux: _passthroughRemuxer2.default }];
  
          // probe for content type
          for (var i in muxConfig) {
            var mux = muxConfig[i];
            var probe = mux.demux.probe;
            if (probe(data)) {
              var _remuxer = this.remuxer = new mux.remux(observer, config, typeSupported, this.vendor);
              demuxer = new mux.demux(observer, _remuxer, config, typeSupported);
              this.probe = probe;
              break;
            }
          }
          if (!demuxer) {
            observer.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.FRAG_PARSING_ERROR, fatal: true, reason: 'no demux matching with content found' });
            return;
          }
          this.demuxer = demuxer;
        }
        var remuxer = this.remuxer;
  
        if (discontinuity || trackSwitch) {
          demuxer.resetInitSegment(initSegment, audioCodec, videoCodec, duration);
          remuxer.resetInitSegment();
        }
        if (discontinuity) {
          demuxer.resetTimeStamp();
          remuxer.resetTimeStamp(defaultInitPTS);
        }
        if (typeof demuxer.setDecryptData === 'function') {
          demuxer.setDecryptData(decryptdata);
        }
        demuxer.append(data, timeOffset, contiguous, accurateTimeOffset);
      }
    }]);
  
    return DemuxerInline;
  }();
  
  exports.default = DemuxerInline;
  
  },{"19":19,"21":21,"28":28,"29":29,"32":32,"33":33,"35":35,"45":45,"46":46}],24:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _demuxerInline = _dereq_(23);
  
  var _demuxerInline2 = _interopRequireDefault(_demuxerInline);
  
  var _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  var _logger = _dereq_(53);
  
  var _events3 = _dereq_(1);
  
  var _events4 = _interopRequireDefault(_events3);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  /* demuxer web worker.
   *  - listen to worker message, and trigger DemuxerInline upon reception of Fragments.
   *  - provides MP4 Boxes back to main thread using [transferable objects](https://developers.google.com/web/updates/2011/12/Transferable-Objects-Lightning-Fast) in order to minimize message passing overhead.
   */
  
  var DemuxerWorker = function DemuxerWorker(self) {
    // observer setup
    var observer = new _events4.default();
    observer.trigger = function trigger(event) {
      for (var _len = arguments.length, data = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
        data[_key - 1] = arguments[_key];
      }
  
      observer.emit.apply(observer, [event, event].concat(data));
    };
  
    observer.off = function off(event) {
      for (var _len2 = arguments.length, data = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
        data[_key2 - 1] = arguments[_key2];
      }
  
      observer.removeListener.apply(observer, [event].concat(data));
    };
  
    var forwardMessage = function forwardMessage(ev, data) {
      self.postMessage({ event: ev, data: data });
    };
  
    self.addEventListener('message', function (ev) {
      var data = ev.data;
      //console.log('demuxer cmd:' + data.cmd);
      switch (data.cmd) {
        case 'init':
          var config = JSON.parse(data.config);
          self.demuxer = new _demuxerInline2.default(observer, data.typeSupported, config, data.vendor);
          try {
            (0, _logger.enableLogs)(config.debug === true);
          } catch (err) {
            console.warn('demuxerWorker: unable to enable logs');
          }
          // signal end of worker init
          forwardMessage('init', null);
          break;
        case 'demux':
          self.demuxer.push(data.data, data.decryptdata, data.initSegment, data.audioCodec, data.videoCodec, data.timeOffset, data.discontinuity, data.trackSwitch, data.contiguous, data.duration, data.accurateTimeOffset, data.defaultInitPTS);
          break;
        default:
          break;
      }
    });
  
    // forward events to main thread
    observer.on(_events2.default.FRAG_DECRYPTED, forwardMessage);
    observer.on(_events2.default.FRAG_PARSING_INIT_SEGMENT, forwardMessage);
    observer.on(_events2.default.FRAG_PARSED, forwardMessage);
    observer.on(_events2.default.ERROR, forwardMessage);
    observer.on(_events2.default.FRAG_PARSING_METADATA, forwardMessage);
    observer.on(_events2.default.FRAG_PARSING_USERDATA, forwardMessage);
    observer.on(_events2.default.INIT_PTS_FOUND, forwardMessage);
  
    // special case for FRAG_PARSING_DATA: pass data1/data2 as transferable object (no copy)
    observer.on(_events2.default.FRAG_PARSING_DATA, function (ev, data) {
      var transferable = [];
      var message = { event: ev, data: data };
      if (data.data1) {
        message.data1 = data.data1.buffer;
        transferable.push(data.data1.buffer);
        delete data.data1;
      }
      if (data.data2) {
        message.data2 = data.data2.buffer;
        transferable.push(data.data2.buffer);
        delete data.data2;
      }
      self.postMessage(message, transferable);
    });
  };
  
  exports.default = DemuxerWorker;
  
  },{"1":1,"23":23,"35":35,"53":53}],25:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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 _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  var _demuxerInline = _dereq_(23);
  
  var _demuxerInline2 = _interopRequireDefault(_demuxerInline);
  
  var _demuxerWorker = _dereq_(24);
  
  var _demuxerWorker2 = _interopRequireDefault(_demuxerWorker);
  
  var _logger = _dereq_(53);
  
  var _errors = _dereq_(33);
  
  var _events3 = _dereq_(1);
  
  var _events4 = _interopRequireDefault(_events3);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var Demuxer = function () {
    function Demuxer(hls, id) {
      _classCallCheck(this, Demuxer);
  
      this.hls = hls;
      this.id = id;
      // observer setup
      var observer = this.observer = new _events4.default();
      var config = hls.config;
      observer.trigger = function trigger(event) {
        for (var _len = arguments.length, data = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
          data[_key - 1] = arguments[_key];
        }
  
        observer.emit.apply(observer, [event, event].concat(data));
      };
  
      observer.off = function off(event) {
        for (var _len2 = arguments.length, data = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
          data[_key2 - 1] = arguments[_key2];
        }
  
        observer.removeListener.apply(observer, [event].concat(data));
      };
  
      var forwardMessage = function (ev, data) {
        data = data || {};
        data.frag = this.frag;
        data.id = this.id;
        hls.trigger(ev, data);
      }.bind(this);
  
      // forward events to main thread
      observer.on(_events2.default.FRAG_DECRYPTED, forwardMessage);
      observer.on(_events2.default.FRAG_PARSING_INIT_SEGMENT, forwardMessage);
      observer.on(_events2.default.FRAG_PARSING_DATA, forwardMessage);
      observer.on(_events2.default.FRAG_PARSED, forwardMessage);
      observer.on(_events2.default.ERROR, forwardMessage);
      observer.on(_events2.default.FRAG_PARSING_METADATA, forwardMessage);
      observer.on(_events2.default.FRAG_PARSING_USERDATA, forwardMessage);
      observer.on(_events2.default.INIT_PTS_FOUND, forwardMessage);
  
      var typeSupported = {
        mp4: MediaSource.isTypeSupported('video/mp4'),
        mpeg: MediaSource.isTypeSupported('audio/mpeg'),
        mp3: MediaSource.isTypeSupported('audio/mp4; codecs="mp3"')
      };
      // navigator.vendor is not always available in Web Worker
      // refer to https://developer.mozilla.org/en-US/docs/Web/API/WorkerGlobalScope/navigator
      var vendor = navigator.vendor;
      if (config.enableWorker && typeof Worker !== 'undefined') {
        _logger.logger.log('demuxing in webworker');
        var w = void 0;
        try {
          var work = _dereq_(3);
          w = this.w = work(_demuxerWorker2.default);
          this.onwmsg = this.onWorkerMessage.bind(this);
          w.addEventListener('message', this.onwmsg);
          w.onerror = function (event) {
            hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.OTHER_ERROR, details: _errors.ErrorDetails.INTERNAL_EXCEPTION, fatal: true, event: 'demuxerWorker', err: { message: event.message + ' (' + event.filename + ':' + event.lineno + ')' } });
          };
          w.postMessage({ cmd: 'init', typeSupported: typeSupported, vendor: vendor, id: id, config: JSON.stringify(config) });
        } catch (err) {
          _logger.logger.error('error while initializing DemuxerWorker, fallback on DemuxerInline');
          if (w) {
            // revoke the Object URL that was used to create demuxer worker, so as not to leak it
            URL.revokeObjectURL(w.objectURL);
          }
          this.demuxer = new _demuxerInline2.default(observer, typeSupported, config, vendor);
          this.w = undefined;
        }
      } else {
        this.demuxer = new _demuxerInline2.default(observer, typeSupported, config, vendor);
      }
    }
  
    _createClass(Demuxer, [{
      key: 'destroy',
      value: function destroy() {
        var w = this.w;
        if (w) {
          w.removeEventListener('message', this.onwmsg);
          w.terminate();
          this.w = null;
        } else {
          var demuxer = this.demuxer;
          if (demuxer) {
            demuxer.destroy();
            this.demuxer = null;
          }
        }
        var observer = this.observer;
        if (observer) {
          observer.removeAllListeners();
          this.observer = null;
        }
      }
    }, {
      key: 'push',
      value: function push(data, initSegment, audioCodec, videoCodec, frag, duration, accurateTimeOffset, defaultInitPTS) {
        var w = this.w;
        var timeOffset = !isNaN(frag.startDTS) ? frag.startDTS : frag.start;
        var decryptdata = frag.decryptdata;
        var lastFrag = this.frag;
        var discontinuity = !(lastFrag && frag.cc === lastFrag.cc);
        var trackSwitch = !(lastFrag && frag.level === lastFrag.level);
        var nextSN = lastFrag && frag.sn === lastFrag.sn + 1;
        var contiguous = !trackSwitch && nextSN;
        if (discontinuity) {
          _logger.logger.log(this.id + ':discontinuity detected');
        }
        if (trackSwitch) {
          _logger.logger.log(this.id + ':switch detected');
        }
        this.frag = frag;
        if (w) {
          // post fragment payload as transferable objects (no copy)
          w.postMessage({ cmd: 'demux', data: data, decryptdata: decryptdata, initSegment: initSegment, audioCodec: audioCodec, videoCodec: videoCodec, timeOffset: timeOffset, discontinuity: discontinuity, trackSwitch: trackSwitch, contiguous: contiguous, duration: duration, accurateTimeOffset: accurateTimeOffset, defaultInitPTS: defaultInitPTS }, [data]);
        } else {
          var demuxer = this.demuxer;
          if (demuxer) {
            demuxer.push(data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);
          }
        }
      }
    }, {
      key: 'onWorkerMessage',
      value: function onWorkerMessage(ev) {
        var data = ev.data,
            hls = this.hls;
        //console.log('onWorkerMessage:' + data.event);
        switch (data.event) {
          case 'init':
            // revoke the Object URL that was used to create demuxer worker, so as not to leak it
            URL.revokeObjectURL(this.w.objectURL);
            break;
          // special case for FRAG_PARSING_DATA: data1 and data2 are transferable objects
          case _events2.default.FRAG_PARSING_DATA:
            data.data.data1 = new Uint8Array(data.data1);
            if (data.data2) {
              data.data.data2 = new Uint8Array(data.data2);
            }
          /* falls through */
          default:
            data.data = data.data || {};
            data.data.frag = this.frag;
            data.data.id = this.id;
            hls.trigger(data.event, data.data);
            break;
        }
      }
    }]);
  
    return Demuxer;
  }();
  
  exports.default = Demuxer;
  
  },{"1":1,"23":23,"24":24,"3":3,"33":33,"35":35,"53":53}],26:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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; }; }(); /**
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        * Parser for exponential Golomb codes, a variable-bitwidth number encoding scheme used by h264.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       */
  
  var _logger = _dereq_(53);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var ExpGolomb = function () {
    function ExpGolomb(data) {
      _classCallCheck(this, ExpGolomb);
  
      this.data = data;
      // the number of bytes left to examine in this.data
      this.bytesAvailable = data.byteLength;
      // the current word being examined
      this.word = 0; // :uint
      // the number of bits left to examine in the current word
      this.bitsAvailable = 0; // :uint
    }
  
    // ():void
  
  
    _createClass(ExpGolomb, [{
      key: 'loadWord',
      value: function loadWord() {
        var data = this.data,
            bytesAvailable = this.bytesAvailable,
            position = data.byteLength - bytesAvailable,
            workingBytes = new Uint8Array(4),
            availableBytes = Math.min(4, bytesAvailable);
        if (availableBytes === 0) {
          throw new Error('no bytes available');
        }
        workingBytes.set(data.subarray(position, position + availableBytes));
        this.word = new DataView(workingBytes.buffer).getUint32(0);
        // track the amount of this.data that has been processed
        this.bitsAvailable = availableBytes * 8;
        this.bytesAvailable -= availableBytes;
      }
  
      // (count:int):void
  
    }, {
      key: 'skipBits',
      value: function skipBits(count) {
        var skipBytes; // :int
        if (this.bitsAvailable > count) {
          this.word <<= count;
          this.bitsAvailable -= count;
        } else {
          count -= this.bitsAvailable;
          skipBytes = count >> 3;
          count -= skipBytes >> 3;
          this.bytesAvailable -= skipBytes;
          this.loadWord();
          this.word <<= count;
          this.bitsAvailable -= count;
        }
      }
  
      // (size:int):uint
  
    }, {
      key: 'readBits',
      value: function readBits(size) {
        var bits = Math.min(this.bitsAvailable, size),
            // :uint
        valu = this.word >>> 32 - bits; // :uint
        if (size > 32) {
          _logger.logger.error('Cannot read more than 32 bits at a time');
        }
        this.bitsAvailable -= bits;
        if (this.bitsAvailable > 0) {
          this.word <<= bits;
        } else if (this.bytesAvailable > 0) {
          this.loadWord();
        }
        bits = size - bits;
        if (bits > 0 && this.bitsAvailable) {
          return valu << bits | this.readBits(bits);
        } else {
          return valu;
        }
      }
  
      // ():uint
  
    }, {
      key: 'skipLZ',
      value: function skipLZ() {
        var leadingZeroCount; // :uint
        for (leadingZeroCount = 0; leadingZeroCount < this.bitsAvailable; ++leadingZeroCount) {
          if (0 !== (this.word & 0x80000000 >>> leadingZeroCount)) {
            // the first bit of working word is 1
            this.word <<= leadingZeroCount;
            this.bitsAvailable -= leadingZeroCount;
            return leadingZeroCount;
          }
        }
        // we exhausted word and still have not found a 1
        this.loadWord();
        return leadingZeroCount + this.skipLZ();
      }
  
      // ():void
  
    }, {
      key: 'skipUEG',
      value: function skipUEG() {
        this.skipBits(1 + this.skipLZ());
      }
  
      // ():void
  
    }, {
      key: 'skipEG',
      value: function skipEG() {
        this.skipBits(1 + this.skipLZ());
      }
  
      // ():uint
  
    }, {
      key: 'readUEG',
      value: function readUEG() {
        var clz = this.skipLZ(); // :uint
        return this.readBits(clz + 1) - 1;
      }
  
      // ():int
  
    }, {
      key: 'readEG',
      value: function readEG() {
        var valu = this.readUEG(); // :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
        } else {
          return -1 * (valu >>> 1); // divide by two then make it negative
        }
      }
  
      // Some convenience functions
      // :Boolean
  
    }, {
      key: 'readBoolean',
      value: function readBoolean() {
        return 1 === this.readBits(1);
      }
  
      // ():int
  
    }, {
      key: 'readUByte',
      value: function readUByte() {
        return this.readBits(8);
      }
  
      // ():int
  
    }, {
      key: 'readUShort',
      value: function readUShort() {
        return this.readBits(16);
      }
      // ():int
  
    }, {
      key: 'readUInt',
      value: function readUInt() {
        return this.readBits(32);
      }
  
      /**
       * 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
       * @see Recommendation ITU-T H.264, Section 7.3.2.1.1.1
       */
  
    }, {
      key: 'skipScalingList',
      value: function skipScalingList(count) {
        var lastScale = 8,
            nextScale = 8,
            j,
            deltaScale;
        for (j = 0; j < count; j++) {
          if (nextScale !== 0) {
            deltaScale = this.readEG();
            nextScale = (lastScale + deltaScale + 256) % 256;
          }
          lastScale = nextScale === 0 ? lastScale : nextScale;
        }
      }
  
      /**
       * 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.
       */
  
    }, {
      key: 'readSPS',
      value: function readSPS() {
        var frameCropLeftOffset = 0,
            frameCropRightOffset = 0,
            frameCropTopOffset = 0,
            frameCropBottomOffset = 0,
            profileIdc,
            profileCompat,
            levelIdc,
            numRefFramesInPicOrderCntCycle,
            picWidthInMbsMinus1,
            picHeightInMapUnitsMinus1,
            frameMbsOnlyFlag,
            scalingListCount,
            i,
            readUByte = this.readUByte.bind(this),
            readBits = this.readBits.bind(this),
            readUEG = this.readUEG.bind(this),
            readBoolean = this.readBoolean.bind(this),
            skipBits = this.skipBits.bind(this),
            skipEG = this.skipEG.bind(this),
            skipUEG = this.skipUEG.bind(this),
            skipScalingList = this.skipScalingList.bind(this);
  
        readUByte();
        profileIdc = readUByte(); // profile_idc
        profileCompat = readBits(5); // constraint_set[0-4]_flag, u(5)
        skipBits(3); // reserved_zero_3bits u(3),
        levelIdc = readUByte(); //level_idc u(8)
        skipUEG(); // seq_parameter_set_id
        // some profiles have more optional data we don't need
        if (profileIdc === 100 || profileIdc === 110 || profileIdc === 122 || profileIdc === 244 || profileIdc === 44 || profileIdc === 83 || profileIdc === 86 || profileIdc === 118 || profileIdc === 128) {
          var chromaFormatIdc = readUEG();
          if (chromaFormatIdc === 3) {
            skipBits(1); // separate_colour_plane_flag
          }
          skipUEG(); // bit_depth_luma_minus8
          skipUEG(); // bit_depth_chroma_minus8
          skipBits(1); // qpprime_y_zero_transform_bypass_flag
          if (readBoolean()) {
            // seq_scaling_matrix_present_flag
            scalingListCount = chromaFormatIdc !== 3 ? 8 : 12;
            for (i = 0; i < scalingListCount; i++) {
              if (readBoolean()) {
                // seq_scaling_list_present_flag[ i ]
                if (i < 6) {
                  skipScalingList(16);
                } else {
                  skipScalingList(64);
                }
              }
            }
          }
        }
        skipUEG(); // log2_max_frame_num_minus4
        var picOrderCntType = readUEG();
        if (picOrderCntType === 0) {
          readUEG(); //log2_max_pic_order_cnt_lsb_minus4
        } else if (picOrderCntType === 1) {
          skipBits(1); // delta_pic_order_always_zero_flag
          skipEG(); // offset_for_non_ref_pic
          skipEG(); // offset_for_top_to_bottom_field
          numRefFramesInPicOrderCntCycle = readUEG();
          for (i = 0; i < numRefFramesInPicOrderCntCycle; i++) {
            skipEG(); // offset_for_ref_frame[ i ]
          }
        }
        skipUEG(); // max_num_ref_frames
        skipBits(1); // gaps_in_frame_num_value_allowed_flag
        picWidthInMbsMinus1 = readUEG();
        picHeightInMapUnitsMinus1 = readUEG();
        frameMbsOnlyFlag = readBits(1);
        if (frameMbsOnlyFlag === 0) {
          skipBits(1); // mb_adaptive_frame_field_flag
        }
        skipBits(1); // direct_8x8_inference_flag
        if (readBoolean()) {
          // frame_cropping_flag
          frameCropLeftOffset = readUEG();
          frameCropRightOffset = readUEG();
          frameCropTopOffset = readUEG();
          frameCropBottomOffset = readUEG();
        }
        var pixelRatio = [1, 1];
        if (readBoolean()) {
          // vui_parameters_present_flag
          if (readBoolean()) {
            // aspect_ratio_info_present_flag
            var aspectRatioIdc = readUByte();
            switch (aspectRatioIdc) {
              case 1:
                pixelRatio = [1, 1];break;
              case 2:
                pixelRatio = [12, 11];break;
              case 3:
                pixelRatio = [10, 11];break;
              case 4:
                pixelRatio = [16, 11];break;
              case 5:
                pixelRatio = [40, 33];break;
              case 6:
                pixelRatio = [24, 11];break;
              case 7:
                pixelRatio = [20, 11];break;
              case 8:
                pixelRatio = [32, 11];break;
              case 9:
                pixelRatio = [80, 33];break;
              case 10:
                pixelRatio = [18, 11];break;
              case 11:
                pixelRatio = [15, 11];break;
              case 12:
                pixelRatio = [64, 33];break;
              case 13:
                pixelRatio = [160, 99];break;
              case 14:
                pixelRatio = [4, 3];break;
              case 15:
                pixelRatio = [3, 2];break;
              case 16:
                pixelRatio = [2, 1];break;
              case 255:
                {
                  pixelRatio = [readUByte() << 8 | readUByte(), readUByte() << 8 | readUByte()];
                  break;
                }
            }
          }
        }
        return {
          width: Math.ceil((picWidthInMbsMinus1 + 1) * 16 - frameCropLeftOffset * 2 - frameCropRightOffset * 2),
          height: (2 - frameMbsOnlyFlag) * (picHeightInMapUnitsMinus1 + 1) * 16 - (frameMbsOnlyFlag ? 2 : 4) * (frameCropTopOffset + frameCropBottomOffset),
          pixelRatio: pixelRatio
        };
      }
    }, {
      key: 'readSliceType',
      value: function readSliceType() {
        // skip NALu type
        this.readUByte();
        // discard first_mb_in_slice
        this.readUEG();
        // return slice_type
        return this.readUEG();
      }
    }]);
  
    return ExpGolomb;
  }();
  
  exports.default = ExpGolomb;
  
  },{"53":53}],27:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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; }; }(); /**
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        * ID3 parser
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        */
  
  
  var _logger = _dereq_(53);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  //import Hex from '../utils/hex';
  
  var ID3 = function () {
    function ID3(data) {
      _classCallCheck(this, ID3);
  
      this._hasTimeStamp = false;
      this._length = 0;
      var offset = 0,
          byte1,
          byte2,
          byte3,
          byte4,
          tagSize,
          endPos,
          header,
          len;
      do {
        header = this.readUTF(data, offset, 3);
        offset += 3;
        // first check for ID3 header
        if (header === 'ID3') {
          // skip 24 bits
          offset += 3;
          // retrieve tag(s) length
          byte1 = data[offset++] & 0x7f;
          byte2 = data[offset++] & 0x7f;
          byte3 = data[offset++] & 0x7f;
          byte4 = data[offset++] & 0x7f;
          tagSize = (byte1 << 21) + (byte2 << 14) + (byte3 << 7) + byte4;
          endPos = offset + tagSize;
          //logger.log(`ID3 tag found, size/end: ${tagSize}/${endPos}`);
  
          // read ID3 tags
          this._parseID3Frames(data, offset, endPos);
          offset = endPos;
        } else if (header === '3DI') {
          // http://id3.org/id3v2.4.0-structure chapter 3.4.   ID3v2 footer
          offset += 7;
          _logger.logger.log('3DI footer found, end: ' + offset);
        } else {
          offset -= 3;
          len = offset;
          if (len) {
            //logger.log(`ID3 len: ${len}`);
            if (!this.hasTimeStamp) {
              _logger.logger.warn('ID3 tag found, but no timestamp');
            }
            this._length = len;
            this._payload = data.subarray(0, len);
          }
          return;
        }
      } while (true);
    }
  
    _createClass(ID3, [{
      key: 'readUTF',
      value: function readUTF(data, start, len) {
  
        var result = '',
            offset = start,
            end = start + len;
        do {
          result += String.fromCharCode(data[offset++]);
        } while (offset < end);
        return result;
      }
    }, {
      key: '_parseID3Frames',
      value: function _parseID3Frames(data, offset, endPos) {
        var tagId, tagLen, tagStart, tagFlags, timestamp;
        while (offset + 8 <= endPos) {
          tagId = this.readUTF(data, offset, 4);
          offset += 4;
  
          tagLen = data[offset++] << 24 + data[offset++] << 16 + data[offset++] << 8 + data[offset++];
  
          tagFlags = data[offset++] << 8 + data[offset++];
  
          tagStart = offset;
          //logger.log("ID3 tag id:" + tagId);
          switch (tagId) {
            case 'PRIV':
              //logger.log('parse frame:' + Hex.hexDump(data.subarray(offset,endPos)));
              // owner should be "com.apple.streaming.transportStreamTimestamp"
              if (this.readUTF(data, offset, 44) === 'com.apple.streaming.transportStreamTimestamp') {
                offset += 44;
                // smelling even better ! we found the right descriptor
                // skip null character (string end) + 3 first bytes
                offset += 4;
  
                // timestamp is 33 bit expressed as a big-endian eight-octet number, with the upper 31 bits set to zero.
                var pts33Bit = data[offset++] & 0x1;
                this._hasTimeStamp = true;
  
                timestamp = ((data[offset++] << 23) + (data[offset++] << 15) + (data[offset++] << 7) + data[offset++]) / 45;
  
                if (pts33Bit) {
                  timestamp += 47721858.84; // 2^32 / 90
                }
                timestamp = Math.round(timestamp);
                _logger.logger.trace('ID3 timestamp found: ' + timestamp);
                this._timeStamp = timestamp;
              }
              break;
            default:
              break;
          }
        }
      }
    }, {
      key: 'hasTimeStamp',
      get: function get() {
        return this._hasTimeStamp;
      }
    }, {
      key: 'timeStamp',
      get: function get() {
        return this._timeStamp;
      }
    }, {
      key: 'length',
      get: function get() {
        return this._length;
      }
    }, {
      key: 'payload',
      get: function get() {
        return this._payload;
      }
    }]);
  
    return ID3;
  }();
  
  exports.default = ID3;
  
  },{"53":53}],28:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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; }; }(); /**
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        * MP3 demuxer
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        */
  
  
  var _id = _dereq_(27);
  
  var _id2 = _interopRequireDefault(_id);
  
  var _mpegaudio = _dereq_(30);
  
  var _mpegaudio2 = _interopRequireDefault(_mpegaudio);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var MP3Demuxer = function () {
    function MP3Demuxer(observer, remuxer, config) {
      _classCallCheck(this, MP3Demuxer);
  
      this.observer = observer;
      this.config = config;
      this.remuxer = remuxer;
    }
  
    _createClass(MP3Demuxer, [{
      key: 'resetInitSegment',
      value: function resetInitSegment(initSegment, audioCodec, videoCodec, duration) {
        this._audioTrack = { container: 'audio/mpeg', type: 'audio', id: -1, sequenceNumber: 0, isAAC: false, samples: [], len: 0, manifestCodec: audioCodec, duration: duration, inputTimeScale: 90000 };
      }
    }, {
      key: 'resetTimeStamp',
      value: function resetTimeStamp() {}
    }, {
      key: 'append',
  
  
      // feed incoming data to the front of the parsing pipeline
      value: function append(data, timeOffset, contiguous, accurateTimeOffset) {
        var id3 = new _id2.default(data);
        var pts = 90 * id3.timeStamp;
        var afterID3 = id3.length;
        var offset, length;
  
        // Look for MPEG header
        for (offset = afterID3, length = data.length; offset < length - 1; offset++) {
          if (data[offset] === 0xff && (data[offset + 1] & 0xe0) === 0xe0 && (data[offset + 1] & 0x06) !== 0x00) {
            break;
          }
        }
  
        _mpegaudio2.default.parse(this._audioTrack, data, id3.length, pts);
  
        this.remuxer.remux(this._audioTrack, { samples: [] }, { samples: [{ pts: pts, dts: pts, data: id3.payload }], inputTimeScale: 90000 }, { samples: [] }, timeOffset, contiguous, accurateTimeOffset);
      }
    }, {
      key: 'destroy',
      value: function destroy() {}
    }], [{
      key: 'probe',
      value: function probe(data) {
        // check if data contains ID3 timestamp and MPEG sync word
        var id3 = new _id2.default(data),
            offset,
            length;
        if (id3.hasTimeStamp) {
          // Look for MPEG header | 1111 1111 | 111X XYZX | where X can be either 0 or 1 and Y or Z should be 1
          // Layer bits (position 14 and 15) in header should be always different from 0 (Layer I or Layer II or Layer III)
          // More info http://www.mp3-tech.org/programmer/frame_header.html
          for (offset = id3.length, length = Math.min(data.length - 1, offset + 100); offset < length; offset++) {
            if (data[offset] === 0xff && (data[offset + 1] & 0xe0) === 0xe0 && (data[offset + 1] & 0x06) !== 0x00) {
              //logger.log('MPEG sync word found !');
              return true;
            }
          }
        }
        return false;
      }
    }]);
  
    return MP3Demuxer;
  }();
  
  exports.default = MP3Demuxer;
  
  },{"27":27,"30":30}],29:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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; }; }(); /**
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        * MP4 demuxer
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        */
  //import {logger} from '../utils/logger';
  
  
  var _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var MP4Demuxer = function () {
    function MP4Demuxer(observer, remuxer) {
      _classCallCheck(this, MP4Demuxer);
  
      this.observer = observer;
      this.remuxer = remuxer;
    }
  
    _createClass(MP4Demuxer, [{
      key: 'resetTimeStamp',
      value: function resetTimeStamp() {}
    }, {
      key: 'resetInitSegment',
      value: function resetInitSegment(initSegment, audioCodec, videoCodec, duration) {
        //jshint unused:false
        var initData = this.initData = MP4Demuxer.parseInitSegment(initSegment);
        var tracks = {};
        if (initData.audio) {
          tracks.audio = { container: 'audio/mp4', codec: audioCodec, initSegment: initSegment };
        }
        if (initData.video) {
          tracks.video = { container: 'video/mp4', codec: videoCodec, initSegment: initSegment };
        }
        this.observer.trigger(_events2.default.FRAG_PARSING_INIT_SEGMENT, { tracks: tracks });
      }
    }, {
      key: 'append',
  
  
      // feed incoming data to the front of the parsing pipeline
      value: function append(data, timeOffset, contiguous, accurateTimeOffset) {
        var initData = this.initData;
        var startDTS = MP4Demuxer.startDTS(initData, data);
        this.remuxer.remux(initData.audio, initData.video, null, null, startDTS, contiguous, accurateTimeOffset, data);
      }
    }, {
      key: 'destroy',
      value: function destroy() {}
    }], [{
      key: 'probe',
      value: function probe(data) {
        if (data.length >= 8) {
          var dataType = MP4Demuxer.bin2str(data.subarray(4, 8));
          return ['moof', 'ftyp', 'styp'].indexOf(dataType) >= 0;
        }
        return false;
      }
    }, {
      key: 'bin2str',
      value: function bin2str(buffer) {
        return String.fromCharCode.apply(null, buffer);
      }
    }, {
      key: 'readUint32',
      value: function readUint32(buffer, offset) {
        var val = buffer[offset] << 24 | buffer[offset + 1] << 16 | buffer[offset + 2] << 8 | buffer[offset + 3];
        return val < 0 ? 4294967296 + val : val;
      }
  
      // Find the data for a box specified by its path
  
    }, {
      key: 'findBox',
      value: 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 = MP4Demuxer.readUint32(data, i);
          type = MP4Demuxer.bin2str(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 = MP4Demuxer.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;
      }
  
      /**
       * Parses an MP4 initialization segment and extracts stream type and
       * 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
       * moov > trak > mdia > hdlr
       * ```
       * @param init {Uint8Array} the bytes of the init segment
       * @return {object} a hash of track type to timescale values or null if
       * the init segment is malformed.
       */
  
    }, {
      key: 'parseInitSegment',
      value: function parseInitSegment(initSegment) {
        var result = [];
        var traks = MP4Demuxer.findBox(initSegment, ['moov', 'trak']);
  
        traks.forEach(function (trak) {
          var tkhd = MP4Demuxer.findBox(trak, ['tkhd'])[0];
          if (tkhd) {
            var version = tkhd[0];
            var index = version === 0 ? 12 : 20;
            var trackId = MP4Demuxer.readUint32(tkhd, index);
  
            var mdhd = MP4Demuxer.findBox(trak, ['mdia', 'mdhd'])[0];
            if (mdhd) {
              version = mdhd[0];
              index = version === 0 ? 12 : 20;
              var timescale = MP4Demuxer.readUint32(mdhd, index);
  
              var hdlr = MP4Demuxer.findBox(trak, ['mdia', 'hdlr'])[0];
              if (hdlr) {
                var hdlrType = MP4Demuxer.bin2str(hdlr.subarray(8, 12));
                var type = { 'soun': 'audio', 'vide': 'video' }[hdlrType];
                if (type) {
                  result[trackId] = { timescale: timescale, type: type };
                  result[type] = { timescale: timescale, id: trackId };
                }
              }
            }
          }
        });
        return 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
       */
  
    }, {
      key: 'startDTS',
      value: function startDTS(initData, fragment) {
        var trafs, baseTimes, result;
  
        // we need info from two childrend of each track fragment box
        trafs = MP4Demuxer.findBox(fragment, ['moof', 'traf']);
  
        // determine the start times for each track
        baseTimes = [].concat.apply([], trafs.map(function (traf) {
          return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) {
            var id, scale, baseTime;
  
            // get the track id from the tfhd
            id = MP4Demuxer.readUint32(tfhd, 4);
            // assume a 90kHz clock if no timescale was specified
            scale = initData[id].timescale || 90e3;
  
            // get the base media decode time from the tfdt
            baseTime = MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) {
              var version, result;
  
              version = tfdt[0];
              result = MP4Demuxer.readUint32(tfdt, 4);
              if (version === 1) {
                result *= Math.pow(2, 32);
  
                result += MP4Demuxer.readUint32(tfdt, 8);
              }
              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;
      }
    }]);
  
    return MP4Demuxer;
  }();
  
  exports.default = MP4Demuxer;
  
  },{"35":35}],30:[function(_dereq_,module,exports){
  'use strict';
  
  var _logger = _dereq_(53);
  
  var MpegAudio = {
  
      onFrame: function onFrame(track, data, bitRate, sampleRate, channelCount, frameIndex, pts) {
          var frameDuration = 1152 * 90000 / sampleRate;
          var stamp = pts + frameIndex * frameDuration;
  
          track.config = [];
          track.channelCount = channelCount;
          track.samplerate = sampleRate;
          track.samples.push({ unit: data, pts: stamp, dts: stamp });
          track.len += data.length;
      },
  
      onNoise: function onNoise(data) {
          _logger.logger.warn('mpeg audio has noise: ' + data.length + ' bytes');
      },
  
      parseFrames: function parseFrames(track, data, start, end, frameIndex, pts) {
          var BitratesMap = [32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448, 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160];
          var SamplingRateMap = [44100, 48000, 32000, 22050, 24000, 16000, 11025, 12000, 8000];
  
          if (start + 2 > end) {
              return -1; // we need at least 2 bytes to detect sync pattern
          }
          if (data[start] === 0xFF || (data[start + 1] & 0xE0) === 0xE0) {
              // Using http://www.datavoyage.com/mpgscript/mpeghdr.htm as a reference
              if (start + 24 > end) {
                  return -1;
              }
              var headerB = data[start + 1] >> 3 & 3;
              var headerC = data[start + 1] >> 1 & 3;
              var headerE = data[start + 2] >> 4 & 15;
              var headerF = data[start + 2] >> 2 & 3;
              var headerG = !!(data[start + 2] & 2);
              if (headerB !== 1 && headerE !== 0 && headerE !== 15 && headerF !== 3) {
                  var columnInBitrates = headerB === 3 ? 3 - headerC : headerC === 3 ? 3 : 4;
                  var bitRate = BitratesMap[columnInBitrates * 14 + headerE - 1] * 1000;
                  var columnInSampleRates = headerB === 3 ? 0 : headerB === 2 ? 1 : 2;
                  var sampleRate = SamplingRateMap[columnInSampleRates * 3 + headerF];
                  var padding = headerG ? 1 : 0;
                  var channelCount = data[start + 3] >> 6 === 3 ? 1 : 2; // If bits of channel mode are `11` then it is a single channel (Mono)
                  var frameLength = headerC === 3 ? (headerB === 3 ? 12 : 6) * bitRate / sampleRate + padding << 2 : (headerB === 3 ? 144 : 72) * bitRate / sampleRate + padding | 0;
                  if (start + frameLength > end) {
                      return -1;
                  }
  
                  this.onFrame(track, data.subarray(start, start + frameLength), bitRate, sampleRate, channelCount, frameIndex, pts);
  
                  return frameLength;
              }
          }
          // noise or ID3, trying to skip
          var offset = start + 2;
          while (offset < end) {
              if (data[offset - 1] === 0xFF && (data[offset] & 0xE0) === 0xE0) {
                  // sync pattern is found
                  this.onNoise(data.subarray(start, offset - 1));
  
                  return offset - start - 1;
              }
              offset++;
          }
          return -1;
      },
  
      parse: function parse(track, data, offset, pts) {
          var length = data.length;
          var frameIndex = 0;
          var parsed;
  
          while (offset < length && (parsed = this.parseFrames(track, data, offset, length, frameIndex++, pts)) > 0) {
              offset += parsed;
          }
      }
  }; /**
      *  MPEG parser helper
      */
  
  
  module.exports = MpegAudio;
  
  },{"53":53}],31:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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; }; }(); /**
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        * SAMPLE-AES decrypter
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       */
  
  var _decrypter = _dereq_(19);
  
  var _decrypter2 = _interopRequireDefault(_decrypter);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var SampleAesDecrypter = function () {
    function SampleAesDecrypter(observer, config, decryptdata, discardEPB) {
      _classCallCheck(this, SampleAesDecrypter);
  
      this.decryptdata = decryptdata;
      this.discardEPB = discardEPB;
      this.decrypter = new _decrypter2.default(observer, config);
    }
  
    _createClass(SampleAesDecrypter, [{
      key: 'decryptBuffer',
      value: function decryptBuffer(encryptedData, callback) {
        this.decrypter.decrypt(encryptedData, this.decryptdata.key.buffer, this.decryptdata.iv.buffer, callback);
      }
  
      // AAC - encrypt all full 16 bytes blocks starting from offset 16
  
    }, {
      key: 'decryptAacSample',
      value: function decryptAacSample(samples, sampleIndex, callback, sync) {
        var curUnit = samples[sampleIndex].unit;
        var encryptedData = curUnit.subarray(16, curUnit.length - curUnit.length % 16);
        var encryptedBuffer = encryptedData.buffer.slice(encryptedData.byteOffset, encryptedData.byteOffset + encryptedData.length);
  
        var localthis = this;
        this.decryptBuffer(encryptedBuffer, function (decryptedData) {
          decryptedData = new Uint8Array(decryptedData);
          curUnit.set(decryptedData, 16);
  
          if (!sync) {
            localthis.decryptAacSamples(samples, sampleIndex + 1, callback);
          }
        });
      }
    }, {
      key: 'decryptAacSamples',
      value: function decryptAacSamples(samples, sampleIndex, callback) {
        for (;; sampleIndex++) {
          if (sampleIndex >= samples.length) {
            callback();
            return;
          }
  
          if (samples[sampleIndex].unit.length < 32) {
            continue;
          }
  
          var sync = this.decrypter.isSync();
  
          this.decryptAacSample(samples, sampleIndex, callback, sync);
  
          if (!sync) {
            return;
          }
        }
      }
  
      // AVC - encrypt one 16 bytes block out of ten, starting from offset 32
  
    }, {
      key: 'getAvcEncryptedData',
      value: function getAvcEncryptedData(decodedData) {
        var encryptedDataLen = Math.floor((decodedData.length - 48) / 160) * 16 + 16;
        var encryptedData = new Int8Array(encryptedDataLen);
        var outputPos = 0;
        for (var inputPos = 32; inputPos <= decodedData.length - 16; inputPos += 160, outputPos += 16) {
          encryptedData.set(decodedData.subarray(inputPos, inputPos + 16), outputPos);
        }
        return encryptedData;
      }
    }, {
      key: 'getAvcDecryptedUnit',
      value: function getAvcDecryptedUnit(decodedData, decryptedData) {
        decryptedData = new Uint8Array(decryptedData);
        var inputPos = 0;
        for (var outputPos = 32; outputPos <= decodedData.length - 16; outputPos += 160, inputPos += 16) {
          decodedData.set(decryptedData.subarray(inputPos, inputPos + 16), outputPos);
        }
        return decodedData;
      }
    }, {
      key: 'decryptAvcSample',
      value: function decryptAvcSample(samples, sampleIndex, unitIndex, callback, curUnit, sync) {
        var decodedData = this.discardEPB(curUnit.data);
        var encryptedData = this.getAvcEncryptedData(decodedData);
        var localthis = this;
  
        this.decryptBuffer(encryptedData.buffer, function (decryptedData) {
          curUnit.data = localthis.getAvcDecryptedUnit(decodedData, decryptedData);
  
          if (!sync) {
            localthis.decryptAvcSamples(samples, sampleIndex, unitIndex + 1, callback);
          }
        });
      }
    }, {
      key: 'decryptAvcSamples',
      value: function decryptAvcSamples(samples, sampleIndex, unitIndex, callback) {
        for (;; sampleIndex++, unitIndex = 0) {
          if (sampleIndex >= samples.length) {
            callback();
            return;
          }
  
          var curUnits = samples[sampleIndex].units;
          for (;; unitIndex++) {
            if (unitIndex >= curUnits.length) {
              break;
            }
  
            var curUnit = curUnits[unitIndex];
            if (curUnit.length <= 48 || curUnit.type !== 1 && curUnit.type !== 5) {
              continue;
            }
  
            var sync = this.decrypter.isSync();
  
            this.decryptAvcSample(samples, sampleIndex, unitIndex, callback, curUnit, sync);
  
            if (!sync) {
              return;
            }
          }
        }
      }
    }]);
  
    return SampleAesDecrypter;
  }();
  
  exports.default = SampleAesDecrypter;
  
  },{"19":19}],32:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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; }; }(); /**
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        * highly optimized TS demuxer:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        * parse PAT, PMT
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        * extract PES packet from audio and video PIDs
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        * extract AVC/H264 NAL units and AAC/ADTS samples from PES packet
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        * trigger the remuxer upon parsing completion
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        * it also tries to workaround as best as it can audio codec switch (HE-AAC to AAC and vice versa), without having to restart the MediaSource.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        * it also controls the remuxing process :
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        * upon discontinuity or level switch detection, it will also notifies the remuxer so that it can reset its state.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       */
  
  // import Hex from '../utils/hex';
  
  
  var _adts = _dereq_(22);
  
  var _adts2 = _interopRequireDefault(_adts);
  
  var _mpegaudio = _dereq_(30);
  
  var _mpegaudio2 = _interopRequireDefault(_mpegaudio);
  
  var _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  var _expGolomb = _dereq_(26);
  
  var _expGolomb2 = _interopRequireDefault(_expGolomb);
  
  var _sampleAes = _dereq_(31);
  
  var _sampleAes2 = _interopRequireDefault(_sampleAes);
  
  var _logger = _dereq_(53);
  
  var _errors = _dereq_(33);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var TSDemuxer = function () {
    function TSDemuxer(observer, remuxer, config, typeSupported) {
      _classCallCheck(this, TSDemuxer);
  
      this.observer = observer;
      this.config = config;
      this.typeSupported = typeSupported;
      this.remuxer = remuxer;
      this.sampleAes = null;
    }
  
    _createClass(TSDemuxer, [{
      key: 'setDecryptData',
      value: function setDecryptData(decryptdata) {
        if (decryptdata != null && decryptdata.key != null && decryptdata.method === 'SAMPLE-AES') {
          this.sampleAes = new _sampleAes2.default(this.observer, this.config, decryptdata, this.discardEPB);
        } else {
          this.sampleAes = null;
        }
      }
    }, {
      key: 'resetInitSegment',
      value: function resetInitSegment(initSegment, audioCodec, videoCodec, duration) {
        this.pmtParsed = false;
        this._pmtId = -1;
        this._avcTrack = { container: 'video/mp2t', type: 'video', id: -1, inputTimeScale: 90000, sequenceNumber: 0, samples: [], len: 0, dropped: 0 };
        this._audioTrack = { container: 'video/mp2t', type: 'audio', id: -1, inputTimeScale: 90000, duration: duration, sequenceNumber: 0, samples: [], len: 0, isAAC: true };
        this._id3Track = { type: 'id3', id: -1, inputTimeScale: 90000, sequenceNumber: 0, samples: [], len: 0 };
        this._txtTrack = { type: 'text', id: -1, inputTimeScale: 90000, sequenceNumber: 0, samples: [], len: 0 };
        // flush any partial content
        this.aacOverFlow = null;
        this.aacLastPTS = null;
        this.avcSample = null;
        this.audioCodec = audioCodec;
        this.videoCodec = videoCodec;
        this._duration = duration;
      }
    }, {
      key: 'resetTimeStamp',
      value: function resetTimeStamp() {}
  
      // feed incoming data to the front of the parsing pipeline
  
    }, {
      key: 'append',
      value: function append(data, timeOffset, contiguous, accurateTimeOffset) {
        var start,
            len = data.length,
            stt,
            pid,
            atf,
            offset,
            pes,
            unknownPIDs = false;
        this.contiguous = contiguous;
        var pmtParsed = this.pmtParsed,
            avcTrack = this._avcTrack,
            audioTrack = this._audioTrack,
            id3Track = this._id3Track,
            avcId = avcTrack.id,
            audioId = audioTrack.id,
            id3Id = id3Track.id,
            pmtId = this._pmtId,
            avcData = avcTrack.pesData,
            audioData = audioTrack.pesData,
            id3Data = id3Track.pesData,
            parsePAT = this._parsePAT,
            parsePMT = this._parsePMT,
            parsePES = this._parsePES,
            parseAVCPES = this._parseAVCPES.bind(this),
            parseAACPES = this._parseAACPES.bind(this),
            parseMPEGPES = this._parseMPEGPES.bind(this),
            parseID3PES = this._parseID3PES.bind(this);
  
        // don't parse last TS packet if incomplete
        len -= len % 188;
        // loop through TS packets
        for (start = 0; start < len; start += 188) {
          if (data[start] === 0x47) {
            stt = !!(data[start + 1] & 0x40);
            // pid is a 13-bit field starting at the last bit of TS[1]
            pid = ((data[start + 1] & 0x1f) << 8) + data[start + 2];
            atf = (data[start + 3] & 0x30) >> 4;
            // if an adaption field is present, its length is specified by the fifth byte of the TS packet header.
            if (atf > 1) {
              offset = start + 5 + data[start + 4];
              // continue if there is only adaptation field
              if (offset === start + 188) {
                continue;
              }
            } else {
              offset = start + 4;
            }
            switch (pid) {
              case avcId:
                if (stt) {
                  if (avcData && (pes = parsePES(avcData))) {
                    parseAVCPES(pes, false);
                  }
                  avcData = { data: [], size: 0 };
                }
                if (avcData) {
                  avcData.data.push(data.subarray(offset, start + 188));
                  avcData.size += start + 188 - offset;
                }
                break;
              case audioId:
                if (stt) {
                  if (audioData && (pes = parsePES(audioData))) {
                    if (audioTrack.isAAC) {
                      parseAACPES(pes);
                    } else {
                      parseMPEGPES(pes);
                    }
                  }
                  audioData = { data: [], size: 0 };
                }
                if (audioData) {
                  audioData.data.push(data.subarray(offset, start + 188));
                  audioData.size += start + 188 - offset;
                }
                break;
              case id3Id:
                if (stt) {
                  if (id3Data && (pes = parsePES(id3Data))) {
                    parseID3PES(pes);
                  }
                  id3Data = { data: [], size: 0 };
                }
                if (id3Data) {
                  id3Data.data.push(data.subarray(offset, start + 188));
                  id3Data.size += start + 188 - offset;
                }
                break;
              case 0:
                if (stt) {
                  offset += data[offset] + 1;
                }
                pmtId = this._pmtId = parsePAT(data, offset);
                break;
              case pmtId:
                if (stt) {
                  offset += data[offset] + 1;
                }
                var parsedPIDs = parsePMT(data, offset, this.typeSupported.mpeg === true || this.typeSupported.mp3 === true, this.sampleAes != null);
  
                // only update track id if track PID found while parsing PMT
                // this is to avoid resetting the PID to -1 in case
                // track PID transiently disappears from the stream
                // this could happen in case of transient missing audio samples for example
                avcId = parsedPIDs.avc;
                if (avcId > 0) {
                  avcTrack.id = avcId;
                }
                audioId = parsedPIDs.audio;
                if (audioId > 0) {
                  audioTrack.id = audioId;
                  audioTrack.isAAC = parsedPIDs.isAAC;
                }
                id3Id = parsedPIDs.id3;
                if (id3Id > 0) {
                  id3Track.id = id3Id;
                }
                if (unknownPIDs && !pmtParsed) {
                  _logger.logger.log('reparse from beginning');
                  unknownPIDs = false;
                  // we set it to -188, the += 188 in the for loop will reset start to 0
                  start = -188;
                }
                pmtParsed = this.pmtParsed = true;
                break;
              case 17:
              case 0x1fff:
                break;
              default:
                unknownPIDs = true;
                break;
            }
          } else {
            this.observer.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.FRAG_PARSING_ERROR, fatal: false, reason: 'TS packet did not start with 0x47' });
          }
        }
        // try to parse last PES packets
        if (avcData && (pes = parsePES(avcData))) {
          parseAVCPES(pes, true);
          avcTrack.pesData = null;
        } else {
          // either avcData null or PES truncated, keep it for next frag parsing
          avcTrack.pesData = avcData;
        }
  
        if (audioData && (pes = parsePES(audioData))) {
          if (audioTrack.isAAC) {
            parseAACPES(pes);
          } else {
            parseMPEGPES(pes);
          }
          audioTrack.pesData = null;
        } else {
          if (audioData && audioData.size) {
            _logger.logger.log('last AAC PES packet truncated,might overlap between fragments');
          }
          // either audioData null or PES truncated, keep it for next frag parsing
          audioTrack.pesData = audioData;
        }
  
        if (id3Data && (pes = parsePES(id3Data))) {
          parseID3PES(pes);
          id3Track.pesData = null;
        } else {
          // either id3Data null or PES truncated, keep it for next frag parsing
          id3Track.pesData = id3Data;
        }
  
        if (this.sampleAes == null) {
          this.remuxer.remux(audioTrack, avcTrack, id3Track, this._txtTrack, timeOffset, contiguous, accurateTimeOffset);
        } else {
          this.decryptAndRemux(audioTrack, avcTrack, id3Track, this._txtTrack, timeOffset, contiguous, accurateTimeOffset);
        }
      }
    }, {
      key: 'decryptAndRemux',
      value: function decryptAndRemux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {
        if (audioTrack.samples && audioTrack.isAAC) {
          var localthis = this;
          this.sampleAes.decryptAacSamples(audioTrack.samples, 0, function () {
            localthis.decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);
          });
        } else {
          this.decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);
        }
      }
    }, {
      key: 'decryptAndRemuxAvc',
      value: function decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {
        if (videoTrack.samples) {
          var localthis = this;
          this.sampleAes.decryptAvcSamples(videoTrack.samples, 0, 0, function () {
            localthis.remuxer.remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);
          });
        } else {
          this.remuxer.remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);
        }
      }
    }, {
      key: 'destroy',
      value: function destroy() {
        this._initPTS = this._initDTS = undefined;
        this._duration = 0;
      }
    }, {
      key: '_parsePAT',
      value: function _parsePAT(data, offset) {
        // skip the PSI header and parse the first PMT entry
        return (data[offset + 10] & 0x1F) << 8 | data[offset + 11];
        //logger.log('PMT PID:'  + this._pmtId);
      }
    }, {
      key: '_parsePMT',
      value: function _parsePMT(data, offset, mpegSupported, isSampleAes) {
        var sectionLength,
            tableEnd,
            programInfoLength,
            pid,
            result = { audio: -1, avc: -1, id3: -1, isAAC: true };
        sectionLength = (data[offset + 1] & 0x0f) << 8 | data[offset + 2];
        tableEnd = offset + 3 + sectionLength - 4;
        // to determine where the table is, we have to figure out how
        // long the program info descriptors are
        programInfoLength = (data[offset + 10] & 0x0f) << 8 | data[offset + 11];
        // advance the offset to the first entry in the mapping table
        offset += 12 + programInfoLength;
        while (offset < tableEnd) {
          pid = (data[offset + 1] & 0x1F) << 8 | data[offset + 2];
          switch (data[offset]) {
            case 0xcf:
              // SAMPLE-AES AAC
              if (!isSampleAes) {
                _logger.logger.log('unkown stream type:' + data[offset]);
                break;
              }
            /* falls through */
  
            // ISO/IEC 13818-7 ADTS AAC (MPEG-2 lower bit-rate audio)
            case 0x0f:
              //logger.log('AAC PID:'  + pid);
              if (result.audio === -1) {
                result.audio = pid;
              }
              break;
  
            // Packetized metadata (ID3)
            case 0x15:
              //logger.log('ID3 PID:'  + pid);
              if (result.id3 === -1) {
                result.id3 = pid;
              }
              break;
  
            case 0xdb:
              // SAMPLE-AES AVC
              if (!isSampleAes) {
                _logger.logger.log('unkown stream type:' + data[offset]);
                break;
              }
            /* falls through */
  
            // ITU-T Rec. H.264 and ISO/IEC 14496-10 (lower bit-rate video)
            case 0x1b:
              //logger.log('AVC PID:'  + pid);
              if (result.avc === -1) {
                result.avc = pid;
              }
              break;
  
            // ISO/IEC 11172-3 (MPEG-1 audio)
            // or ISO/IEC 13818-3 (MPEG-2 halved sample rate audio)
            case 0x03:
            case 0x04:
              //logger.log('MPEG PID:'  + pid);
              if (!mpegSupported) {
                _logger.logger.log('MPEG audio found, not supported in this browser for now');
              } else if (result.audio === -1) {
                result.audio = pid;
                result.isAAC = false;
              }
              break;
  
            case 0x24:
              _logger.logger.warn('HEVC stream type found, not supported for now');
              break;
  
            default:
              _logger.logger.log('unkown stream type:' + data[offset]);
              break;
          }
          // move to the next table entry
          // skip past the elementary stream descriptors, if present
          offset += ((data[offset + 3] & 0x0F) << 8 | data[offset + 4]) + 5;
        }
        return result;
      }
    }, {
      key: '_parsePES',
      value: function _parsePES(stream) {
        var i = 0,
            frag,
            pesFlags,
            pesPrefix,
            pesLen,
            pesHdrLen,
            pesData,
            pesPts,
            pesDts,
            payloadStartOffset,
            data = stream.data;
        // safety check
        if (!stream || stream.size === 0) {
          return null;
        }
  
        // we might need up to 19 bytes to read PES header
        // if first chunk of data is less than 19 bytes, let's merge it with following ones until we get 19 bytes
        // usually only one merge is needed (and this is rare ...)
        while (data[0].length < 19 && data.length > 1) {
          var newData = new Uint8Array(data[0].length + data[1].length);
          newData.set(data[0]);
          newData.set(data[1], data[0].length);
          data[0] = newData;
          data.splice(1, 1);
        }
        //retrieve PTS/DTS from first fragment
        frag = data[0];
        pesPrefix = (frag[0] << 16) + (frag[1] << 8) + frag[2];
        if (pesPrefix === 1) {
          pesLen = (frag[4] << 8) + frag[5];
          // if PES parsed length is not zero and greater than total received length, stop parsing. PES might be truncated
          // minus 6 : PES header size
          if (pesLen && pesLen > stream.size - 6) {
            return null;
          }
          pesFlags = frag[7];
          if (pesFlags & 0xC0) {
            /* PES header described here : http://dvd.sourceforge.net/dvdinfo/pes-hdr.html
                as PTS / DTS is 33 bit we cannot use bitwise operator in JS,
                as Bitwise operators treat their operands as a sequence of 32 bits */
            pesPts = (frag[9] & 0x0E) * 536870912 + // 1 << 29
            (frag[10] & 0xFF) * 4194304 + // 1 << 22
            (frag[11] & 0xFE) * 16384 + // 1 << 14
            (frag[12] & 0xFF) * 128 + // 1 << 7
            (frag[13] & 0xFE) / 2;
            // check if greater than 2^32 -1
            if (pesPts > 4294967295) {
              // decrement 2^33
              pesPts -= 8589934592;
            }
            if (pesFlags & 0x40) {
              pesDts = (frag[14] & 0x0E) * 536870912 + // 1 << 29
              (frag[15] & 0xFF) * 4194304 + // 1 << 22
              (frag[16] & 0xFE) * 16384 + // 1 << 14
              (frag[17] & 0xFF) * 128 + // 1 << 7
              (frag[18] & 0xFE) / 2;
              // check if greater than 2^32 -1
              if (pesDts > 4294967295) {
                // decrement 2^33
                pesDts -= 8589934592;
              }
              if (pesPts - pesDts > 60 * 90000) {
                _logger.logger.warn(Math.round((pesPts - pesDts) / 90000) + 's delta between PTS and DTS, align them');
                pesPts = pesDts;
              }
            } else {
              pesDts = pesPts;
            }
          }
          pesHdrLen = frag[8];
          // 9 bytes : 6 bytes for PES header + 3 bytes for PES extension
          payloadStartOffset = pesHdrLen + 9;
  
          stream.size -= payloadStartOffset;
          //reassemble PES packet
          pesData = new Uint8Array(stream.size);
          for (var j = 0, dataLen = data.length; j < dataLen; j++) {
            frag = data[j];
            var len = frag.byteLength;
            if (payloadStartOffset) {
              if (payloadStartOffset > len) {
                // trim full frag if PES header bigger than frag
                payloadStartOffset -= len;
                continue;
              } else {
                // trim partial frag if PES header smaller than frag
                frag = frag.subarray(payloadStartOffset);
                len -= payloadStartOffset;
                payloadStartOffset = 0;
              }
            }
            pesData.set(frag, i);
            i += len;
          }
          if (pesLen) {
            // payload size : remove PES header + PES extension
            pesLen -= pesHdrLen + 3;
          }
          return { data: pesData, pts: pesPts, dts: pesDts, len: pesLen };
        } else {
          return null;
        }
      }
    }, {
      key: 'pushAccesUnit',
      value: function pushAccesUnit(avcSample, avcTrack) {
        if (avcSample.units.length && avcSample.frame) {
          var samples = avcTrack.samples;
          var nbSamples = samples.length;
          // only push AVC sample if starting with a keyframe is not mandatory OR
          //    if keyframe already found in this fragment OR
          //       keyframe found in last fragment (track.sps) AND
          //          samples already appended (we already found a keyframe in this fragment) OR fragment is contiguous
          if (!this.config.forceKeyFrameOnDiscontinuity || avcSample.key === true || avcTrack.sps && (nbSamples || this.contiguous)) {
            avcSample.id = nbSamples;
            samples.push(avcSample);
          } else {
            // dropped samples, track it
            avcTrack.dropped++;
          }
        }
        if (avcSample.debug.length) {
          _logger.logger.log(avcSample.pts + '/' + avcSample.dts + ':' + avcSample.debug);
        }
      }
    }, {
      key: '_parseAVCPES',
      value: function _parseAVCPES(pes, last) {
        var _this = this;
  
        //logger.log('parse new PES');
        var track = this._avcTrack,
            units = this._parseAVCNALu(pes.data),
            debug = false,
            expGolombDecoder,
            avcSample = this.avcSample,
            push,
            i;
        //free pes.data to save up some memory
        pes.data = null;
  
        units.forEach(function (unit) {
          switch (unit.type) {
            //NDR
            case 1:
              push = true;
              if (debug && avcSample) {
                avcSample.debug += 'NDR ';
              }
              avcSample.frame = true;
              // retrieve slice type by parsing beginning of NAL unit (follow H264 spec, slice_header definition) to detect keyframe embedded in NDR
              var data = unit.data;
              if (data.length > 4) {
                var sliceType = new _expGolomb2.default(data).readSliceType();
                // 2 : I slice, 4 : SI slice, 7 : I slice, 9: SI slice
                // SI slice : A slice that is coded using intra prediction only and using quantisation of the prediction samples.
                // An SI slice can be coded such that its decoded samples can be constructed identically to an SP slice.
                // I slice: A slice that is not an SI slice that is decoded using intra prediction only.
                //if (sliceType === 2 || sliceType === 7) {
                if (sliceType === 2 || sliceType === 4 || sliceType === 7 || sliceType === 9) {
                  avcSample.key = true;
                }
              }
              break;
            //IDR
            case 5:
              push = true;
              // handle PES not starting with AUD
              if (!avcSample) {
                avcSample = _this.avcSample = _this._createAVCSample(true, pes.pts, pes.dts, '');
              }
              if (debug) {
                avcSample.debug += 'IDR ';
              }
              avcSample.key = true;
              avcSample.frame = true;
              break;
            //SEI
            case 6:
              push = true;
              if (debug && avcSample) {
                avcSample.debug += 'SEI ';
              }
              expGolombDecoder = new _expGolomb2.default(_this.discardEPB(unit.data));
  
              // skip frameType
              expGolombDecoder.readUByte();
  
              var payloadType = 0;
              var payloadSize = 0;
              var endOfCaptions = false;
              var b = 0;
  
              while (!endOfCaptions && expGolombDecoder.bytesAvailable > 1) {
                payloadType = 0;
                do {
                  b = expGolombDecoder.readUByte();
                  payloadType += b;
                } while (b === 0xFF);
  
                // Parse payload size.
                payloadSize = 0;
                do {
                  b = expGolombDecoder.readUByte();
                  payloadSize += b;
                } while (b === 0xFF);
  
                // TODO: there can be more than one payload in an SEI packet...
                // TODO: need to read type and size in a while loop to get them all
                if (payloadType === 4 && expGolombDecoder.bytesAvailable !== 0) {
  
                  endOfCaptions = true;
  
                  var countryCode = expGolombDecoder.readUByte();
  
                  if (countryCode === 181) {
                    var providerCode = expGolombDecoder.readUShort();
  
                    if (providerCode === 49) {
                      var userStructure = expGolombDecoder.readUInt();
  
                      if (userStructure === 0x47413934) {
                        var userDataType = expGolombDecoder.readUByte();
  
                        // Raw CEA-608 bytes wrapped in CEA-708 packet
                        if (userDataType === 3) {
                          var firstByte = expGolombDecoder.readUByte();
                          var secondByte = expGolombDecoder.readUByte();
  
                          var totalCCs = 31 & firstByte;
                          var byteArray = [firstByte, secondByte];
  
                          for (i = 0; i < totalCCs; i++) {
                            // 3 bytes per CC
                            byteArray.push(expGolombDecoder.readUByte());
                            byteArray.push(expGolombDecoder.readUByte());
                            byteArray.push(expGolombDecoder.readUByte());
                          }
  
                          _this._insertSampleInOrder(_this._txtTrack.samples, { type: 3, pts: pes.pts, bytes: byteArray });
                        }
                      }
                    }
                  }
                } else if (payloadSize < expGolombDecoder.bytesAvailable) {
                  for (i = 0; i < payloadSize; i++) {
                    expGolombDecoder.readUByte();
                  }
                }
              }
              break;
            //SPS
            case 7:
              push = true;
              if (debug && avcSample) {
                avcSample.debug += 'SPS ';
              }
              if (!track.sps) {
                expGolombDecoder = new _expGolomb2.default(unit.data);
                var config = expGolombDecoder.readSPS();
                track.width = config.width;
                track.height = config.height;
                track.pixelRatio = config.pixelRatio;
                track.sps = [unit.data];
                track.duration = _this._duration;
                var codecarray = unit.data.subarray(1, 4);
                var codecstring = 'avc1.';
                for (i = 0; i < 3; i++) {
                  var h = codecarray[i].toString(16);
                  if (h.length < 2) {
                    h = '0' + h;
                  }
                  codecstring += h;
                }
                track.codec = codecstring;
              }
              break;
            //PPS
            case 8:
              push = true;
              if (debug && avcSample) {
                avcSample.debug += 'PPS ';
              }
              if (!track.pps) {
                track.pps = [unit.data];
              }
              break;
            // AUD
            case 9:
              push = false;
              if (avcSample) {
                _this.pushAccesUnit(avcSample, track);
              }
              avcSample = _this.avcSample = _this._createAVCSample(false, pes.pts, pes.dts, debug ? 'AUD ' : '');
              break;
            // Filler Data
            case 12:
              push = false;
              break;
            default:
              push = false;
              if (avcSample) {
                avcSample.debug += 'unknown NAL ' + unit.type + ' ';
              }
              break;
          }
          if (avcSample && push) {
            var _units = avcSample.units;
            _units.push(unit);
          }
        });
        // if last PES packet, push samples
        if (last && avcSample) {
          this.pushAccesUnit(avcSample, track);
          this.avcSample = null;
        }
      }
    }, {
      key: '_createAVCSample',
      value: function _createAVCSample(key, pts, dts, debug) {
        return { key: key, pts: pts, dts: dts, units: [], debug: debug };
      }
    }, {
      key: '_insertSampleInOrder',
      value: function _insertSampleInOrder(arr, data) {
        var len = arr.length;
        if (len > 0) {
          if (data.pts >= arr[len - 1].pts) {
            arr.push(data);
          } else {
            for (var pos = len - 1; pos >= 0; pos--) {
              if (data.pts < arr[pos].pts) {
                arr.splice(pos, 0, data);
                break;
              }
            }
          }
        } else {
          arr.push(data);
        }
      }
    }, {
      key: '_getLastNalUnit',
      value: function _getLastNalUnit() {
        var avcSample = this.avcSample,
            lastUnit = void 0;
        // try to fallback to previous sample if current one is empty
        if (!avcSample || avcSample.units.length === 0) {
          var track = this._avcTrack,
              samples = track.samples;
          avcSample = samples[samples.length - 1];
        }
        if (avcSample) {
          var units = avcSample.units;
          lastUnit = units[units.length - 1];
        }
        return lastUnit;
      }
    }, {
      key: '_parseAVCNALu',
      value: function _parseAVCNALu(array) {
        var i = 0,
            len = array.byteLength,
            value,
            overflow,
            track = this._avcTrack,
            state = track.naluState || 0,
            lastState = state;
        var units = [],
            unit,
            unitType,
            lastUnitStart = -1,
            lastUnitType;
        //logger.log('PES:' + Hex.hexDump(array));
  
        if (state === -1) {
          // special use case where we found 3 or 4-byte start codes exactly at the end of previous PES packet
          lastUnitStart = 0;
          // NALu type is value read from offset 0
          lastUnitType = array[0] & 0x1f;
          state = 0;
          i = 1;
        }
  
        while (i < len) {
          value = array[i++];
          // optimization. state 0 and 1 are the predominant case. let's handle them outside of the switch/case
          if (!state) {
            state = value ? 0 : 1;
            continue;
          }
          if (state === 1) {
            state = value ? 0 : 2;
            continue;
          }
          // here we have state either equal to 2 or 3
          if (!value) {
            state = 3;
          } else if (value === 1) {
            if (lastUnitStart >= 0) {
              unit = { data: array.subarray(lastUnitStart, i - state - 1), type: lastUnitType };
              //logger.log('pushing NALU, type/size:' + unit.type + '/' + unit.data.byteLength);
              units.push(unit);
            } else {
              // lastUnitStart is undefined => this is the first start code found in this PES packet
              // first check if start code delimiter is overlapping between 2 PES packets,
              // ie it started in last packet (lastState not zero)
              // and ended at the beginning of this PES packet (i <= 4 - lastState)
              var lastUnit = this._getLastNalUnit();
              if (lastUnit) {
                if (lastState && i <= 4 - lastState) {
                  // start delimiter overlapping between PES packets
                  // strip start delimiter bytes from the end of last NAL unit
                  // check if lastUnit had a state different from zero
                  if (lastUnit.state) {
                    // strip last bytes
                    lastUnit.data = lastUnit.data.subarray(0, lastUnit.data.byteLength - lastState);
                  }
                }
                // If NAL units are not starting right at the beginning of the PES packet, push preceding data into previous NAL unit.
                overflow = i - state - 1;
                if (overflow > 0) {
                  //logger.log('first NALU found with overflow:' + overflow);
                  var tmp = new Uint8Array(lastUnit.data.byteLength + overflow);
                  tmp.set(lastUnit.data, 0);
                  tmp.set(array.subarray(0, overflow), lastUnit.data.byteLength);
                  lastUnit.data = tmp;
                }
              }
            }
            // check if we can read unit type
            if (i < len) {
              unitType = array[i] & 0x1f;
              //logger.log('find NALU @ offset:' + i + ',type:' + unitType);
              lastUnitStart = i;
              lastUnitType = unitType;
              state = 0;
            } else {
              // not enough byte to read unit type. let's read it on next PES parsing
              state = -1;
            }
          } else {
            state = 0;
          }
        }
        if (lastUnitStart >= 0 && state >= 0) {
          unit = { data: array.subarray(lastUnitStart, len), type: lastUnitType, state: state };
          units.push(unit);
          //logger.log('pushing NALU, type/size/state:' + unit.type + '/' + unit.data.byteLength + '/' + state);
        }
        // no NALu found
        if (units.length === 0) {
          // append pes.data to previous NAL unit
          var _lastUnit = this._getLastNalUnit();
          if (_lastUnit) {
            var _tmp = new Uint8Array(_lastUnit.data.byteLength + array.byteLength);
            _tmp.set(_lastUnit.data, 0);
            _tmp.set(array, _lastUnit.data.byteLength);
            _lastUnit.data = _tmp;
          }
        }
        track.naluState = state;
        return units;
      }
  
      /**
       * remove Emulation Prevention bytes from a RBSP
       */
  
    }, {
      key: 'discardEPB',
      value: function discardEPB(data) {
        var length = data.byteLength,
            EPBPositions = [],
            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) {
            EPBPositions.push(i + 2);
            i += 2;
          } else {
            i++;
          }
        }
  
        // If no Emulation Prevention Bytes were found just return the original
        // array
        if (EPBPositions.length === 0) {
          return data;
        }
  
        // Create a new array to hold the NAL unit data
        newLength = length - EPBPositions.length;
        newData = new Uint8Array(newLength);
        var sourceIndex = 0;
  
        for (i = 0; i < newLength; sourceIndex++, i++) {
          if (sourceIndex === EPBPositions[0]) {
            // Skip this byte
            sourceIndex++;
            // Remove this position index
            EPBPositions.shift();
          }
          newData[i] = data[sourceIndex];
        }
        return newData;
      }
    }, {
      key: '_parseAACPES',
      value: function _parseAACPES(pes) {
        var track = this._audioTrack,
            data = pes.data,
            pts = pes.pts,
            startOffset = 0,
            aacOverFlow = this.aacOverFlow,
            aacLastPTS = this.aacLastPTS,
            config,
            frameLength,
            frameDuration,
            frameIndex,
            offset,
            headerLength,
            stamp,
            len,
            aacSample;
        if (aacOverFlow) {
          var tmp = new Uint8Array(aacOverFlow.byteLength + data.byteLength);
          tmp.set(aacOverFlow, 0);
          tmp.set(data, aacOverFlow.byteLength);
          //logger.log(`AAC: append overflowing ${aacOverFlow.byteLength} bytes to beginning of new PES`);
          data = tmp;
        }
        // look for ADTS header (0xFFFx)
        for (offset = startOffset, len = data.length; offset < len - 1; offset++) {
          if (data[offset] === 0xff && (data[offset + 1] & 0xf0) === 0xf0) {
            break;
          }
        }
        // if ADTS header does not start straight from the beginning of the PES payload, raise an error
        if (offset) {
          var reason, fatal;
          if (offset < len - 1) {
            reason = 'AAC PES did not start with ADTS header,offset:' + offset;
            fatal = false;
          } else {
            reason = 'no ADTS header found in AAC PES';
            fatal = true;
          }
          _logger.logger.warn('parsing error:' + reason);
          this.observer.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.FRAG_PARSING_ERROR, fatal: fatal, reason: reason });
          if (fatal) {
            return;
          }
        }
        if (!track.samplerate) {
          var audioCodec = this.audioCodec;
          config = _adts2.default.getAudioConfig(this.observer, data, offset, audioCodec);
          track.config = config.config;
          track.samplerate = config.samplerate;
          track.channelCount = config.channelCount;
          track.codec = config.codec;
          track.manifestCodec = config.manifestCodec;
          _logger.logger.log('parsed codec:' + track.codec + ',rate:' + config.samplerate + ',nb channel:' + config.channelCount);
        }
        frameIndex = 0;
        frameDuration = 1024 * 90000 / track.samplerate;
  
        // if last AAC frame is overflowing, we should ensure timestamps are contiguous:
        // first sample PTS should be equal to last sample PTS + frameDuration
        if (aacOverFlow && aacLastPTS) {
          var newPTS = aacLastPTS + frameDuration;
          if (Math.abs(newPTS - pts) > 1) {
            _logger.logger.log('AAC: align PTS for overlapping frames by ' + Math.round((newPTS - pts) / 90));
            pts = newPTS;
          }
        }
  
        while (offset + 5 < len) {
          // The protection skip bit tells us if we have 2 bytes of CRC data at the end of the ADTS header
          headerLength = !!(data[offset + 1] & 0x01) ? 7 : 9;
          // retrieve frame size
          frameLength = (data[offset + 3] & 0x03) << 11 | data[offset + 4] << 3 | (data[offset + 5] & 0xE0) >>> 5;
          frameLength -= headerLength;
          //stamp = pes.pts;
  
          if (frameLength > 0 && offset + headerLength + frameLength <= len) {
            stamp = pts + frameIndex * frameDuration;
            //logger.log(`AAC frame, offset/length/total/pts:${offset+headerLength}/${frameLength}/${data.byteLength}/${(stamp/90).toFixed(0)}`);
            aacSample = { unit: data.subarray(offset + headerLength, offset + headerLength + frameLength), pts: stamp, dts: stamp };
            track.samples.push(aacSample);
            track.len += frameLength;
            offset += frameLength + headerLength;
            frameIndex++;
            // look for ADTS header (0xFFFx)
            for (; offset < len - 1; offset++) {
              if (data[offset] === 0xff && (data[offset + 1] & 0xf0) === 0xf0) {
                break;
              }
            }
          } else {
            break;
          }
        }
        if (offset < len) {
          aacOverFlow = data.subarray(offset, len);
          //logger.log(`AAC: overflow detected:${len-offset}`);
        } else {
          aacOverFlow = null;
        }
        this.aacOverFlow = aacOverFlow;
        this.aacLastPTS = stamp;
      }
    }, {
      key: '_parseMPEGPES',
      value: function _parseMPEGPES(pes) {
        _mpegaudio2.default.parse(this._audioTrack, pes.data, 0, pes.pts);
      }
    }, {
      key: '_parseID3PES',
      value: function _parseID3PES(pes) {
        this._id3Track.samples.push(pes);
      }
    }], [{
      key: 'probe',
      value: function probe(data) {
        // a TS fragment should contain at least 3 TS packets, a PAT, a PMT, and one PID, each starting with 0x47
        if (data.length >= 3 * 188 && data[0] === 0x47 && data[188] === 0x47 && data[2 * 188] === 0x47) {
          return true;
        } else {
          return false;
        }
      }
    }]);
  
    return TSDemuxer;
  }();
  
  exports.default = TSDemuxer;
  
  },{"22":22,"26":26,"30":30,"31":31,"33":33,"35":35,"53":53}],33:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  var ErrorTypes = exports.ErrorTypes = {
    // Identifier for a network error (loading error / timeout ...)
    NETWORK_ERROR: 'networkError',
    // Identifier for a media Error (video/parsing/mediasource error)
    MEDIA_ERROR: 'mediaError',
    // Identifier for a mux Error (demuxing/remuxing)
    MUX_ERROR: 'muxError',
    // Identifier for all other errors
    OTHER_ERROR: 'otherError'
  };
  
  var ErrorDetails = exports.ErrorDetails = {
    // Identifier for a manifest load error - data: { url : faulty URL, response : { code: error code, text: error text }}
    MANIFEST_LOAD_ERROR: 'manifestLoadError',
    // Identifier for a manifest load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}
    MANIFEST_LOAD_TIMEOUT: 'manifestLoadTimeOut',
    // Identifier for a manifest parsing error - data: { url : faulty URL, reason : error reason}
    MANIFEST_PARSING_ERROR: 'manifestParsingError',
    // Identifier for a manifest with only incompatible codecs error - data: { url : faulty URL, reason : error reason}
    MANIFEST_INCOMPATIBLE_CODECS_ERROR: 'manifestIncompatibleCodecsError',
    // Identifier for a level load error - data: { url : faulty URL, response : { code: error code, text: error text }}
    LEVEL_LOAD_ERROR: 'levelLoadError',
    // Identifier for a level load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}
    LEVEL_LOAD_TIMEOUT: 'levelLoadTimeOut',
    // Identifier for a level switch error - data: { level : faulty level Id, event : error description}
    LEVEL_SWITCH_ERROR: 'levelSwitchError',
    // Identifier for an audio track load error - data: { url : faulty URL, response : { code: error code, text: error text }}
    AUDIO_TRACK_LOAD_ERROR: 'audioTrackLoadError',
    // Identifier for an audio track load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}
    AUDIO_TRACK_LOAD_TIMEOUT: 'audioTrackLoadTimeOut',
    // Identifier for fragment load error - data: { frag : fragment object, response : { code: error code, text: error text }}
    FRAG_LOAD_ERROR: 'fragLoadError',
    // Identifier for fragment loop loading error - data: { frag : fragment object}
    FRAG_LOOP_LOADING_ERROR: 'fragLoopLoadingError',
    // Identifier for fragment load timeout error - data: { frag : fragment object}
    FRAG_LOAD_TIMEOUT: 'fragLoadTimeOut',
    // Identifier for a fragment decryption error event - data: {id : demuxer Id,frag: fragment object, reason : parsing error description }
    FRAG_DECRYPT_ERROR: 'fragDecryptError',
    // Identifier for a fragment parsing error event - data: { id : demuxer Id, reason : parsing error description }
    // will be renamed DEMUX_PARSING_ERROR and switched to MUX_ERROR in the next major release
    FRAG_PARSING_ERROR: 'fragParsingError',
    // Identifier for a remux alloc error event - data: { id : demuxer Id, frag : fragment object, bytes : nb of bytes on which allocation failed , reason : error text }
    REMUX_ALLOC_ERROR: 'remuxAllocError',
    // Identifier for decrypt key load error - data: { frag : fragment object, response : { code: error code, text: error text }}
    KEY_LOAD_ERROR: 'keyLoadError',
    // Identifier for decrypt key load timeout error - data: { frag : fragment object}
    KEY_LOAD_TIMEOUT: 'keyLoadTimeOut',
    // Triggered when an exception occurs while adding a sourceBuffer to MediaSource - data : {  err : exception , mimeType : mimeType }
    BUFFER_ADD_CODEC_ERROR: 'bufferAddCodecError',
    // Identifier for a buffer append error - data: append error description
    BUFFER_APPEND_ERROR: 'bufferAppendError',
    // Identifier for a buffer appending error event - data: appending error description
    BUFFER_APPENDING_ERROR: 'bufferAppendingError',
    // Identifier for a buffer stalled error event
    BUFFER_STALLED_ERROR: 'bufferStalledError',
    // Identifier for a buffer full event
    BUFFER_FULL_ERROR: 'bufferFullError',
    // Identifier for a buffer seek over hole event
    BUFFER_SEEK_OVER_HOLE: 'bufferSeekOverHole',
    // Identifier for a buffer nudge on stall (playback is stuck although currentTime is in a buffered area)
    BUFFER_NUDGE_ON_STALL: 'bufferNudgeOnStall',
    // Identifier for an internal exception happening inside hls.js while handling an event
    INTERNAL_EXCEPTION: 'internalException',
    // Malformed WebVTT contents
    WEBVTT_EXCEPTION: 'webVTTException'
  };
  
  },{}],34:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  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 _createClass = 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; }; }(); /*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       *
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       * All objects in the event handling chain should inherit from this class
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       *
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       */
  
  var _logger = _dereq_(53);
  
  var _errors = _dereq_(33);
  
  var _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var EventHandler = function () {
    function EventHandler(hls) {
      _classCallCheck(this, EventHandler);
  
      this.hls = hls;
      this.onEvent = this.onEvent.bind(this);
  
      for (var _len = arguments.length, events = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
        events[_key - 1] = arguments[_key];
      }
  
      this.handledEvents = events;
      this.useGenericHandler = true;
  
      this.registerListeners();
    }
  
    _createClass(EventHandler, [{
      key: 'destroy',
      value: function destroy() {
        this.unregisterListeners();
      }
    }, {
      key: 'isEventHandler',
      value: function isEventHandler() {
        return _typeof(this.handledEvents) === 'object' && this.handledEvents.length && typeof this.onEvent === 'function';
      }
    }, {
      key: 'registerListeners',
      value: function registerListeners() {
        if (this.isEventHandler()) {
          this.handledEvents.forEach(function (event) {
            if (event === 'hlsEventGeneric') {
              throw new Error('Forbidden event name: ' + event);
            }
            this.hls.on(event, this.onEvent);
          }.bind(this));
        }
      }
    }, {
      key: 'unregisterListeners',
      value: function unregisterListeners() {
        if (this.isEventHandler()) {
          this.handledEvents.forEach(function (event) {
            this.hls.off(event, this.onEvent);
          }.bind(this));
        }
      }
  
      /**
       * arguments: event (string), data (any)
       */
  
    }, {
      key: 'onEvent',
      value: function onEvent(event, data) {
        this.onEventGeneric(event, data);
      }
    }, {
      key: 'onEventGeneric',
      value: function onEventGeneric(event, data) {
        var eventToFunction = function eventToFunction(event, data) {
          var funcName = 'on' + event.replace('hls', '');
          if (typeof this[funcName] !== 'function') {
            throw new Error('Event ' + event + ' has no generic handler in this ' + this.constructor.name + ' class (tried ' + funcName + ')');
          }
          return this[funcName].bind(this, data);
        };
        try {
          eventToFunction.call(this, event, data).call();
        } catch (err) {
          _logger.logger.error('internal error happened while processing ' + event + ':' + err.message);
          this.hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.OTHER_ERROR, details: _errors.ErrorDetails.INTERNAL_EXCEPTION, fatal: false, event: event, err: err });
        }
      }
    }]);
  
    return EventHandler;
  }();
  
  exports.default = EventHandler;
  
  },{"33":33,"35":35,"53":53}],35:[function(_dereq_,module,exports){
  'use strict';
  
  module.exports = {
    // fired before MediaSource is attaching to media element - data: { media }
    MEDIA_ATTACHING: 'hlsMediaAttaching',
    // fired when MediaSource has been succesfully attached to media element - data: { }
    MEDIA_ATTACHED: 'hlsMediaAttached',
    // fired before detaching MediaSource from media element - data: { }
    MEDIA_DETACHING: 'hlsMediaDetaching',
    // fired when MediaSource has been detached from media element - data: { }
    MEDIA_DETACHED: 'hlsMediaDetached',
    // fired when we buffer is going to be reset - data: { }
    BUFFER_RESET: 'hlsBufferReset',
    // fired when we know about the codecs that we need buffers for to push into - data: {tracks : { container, codec, levelCodec, initSegment, metadata }}
    BUFFER_CODECS: 'hlsBufferCodecs',
    // fired when sourcebuffers have been created - data: { tracks : tracks }
    BUFFER_CREATED: 'hlsBufferCreated',
    // fired when we append a segment to the buffer - data: { segment: segment object }
    BUFFER_APPENDING: 'hlsBufferAppending',
    // fired when we are done with appending a media segment to the buffer - data : { parent : segment parent that triggered BUFFER_APPENDING, pending : nb of segments waiting for appending for this segment parent}
    BUFFER_APPENDED: 'hlsBufferAppended',
    // fired when the stream is finished and we want to notify the media buffer that there will be no more data - data: { }
    BUFFER_EOS: 'hlsBufferEos',
    // fired when the media buffer should be flushed - data { startOffset, endOffset }
    BUFFER_FLUSHING: 'hlsBufferFlushing',
    // fired when the media buffer has been flushed - data: { }
    BUFFER_FLUSHED: 'hlsBufferFlushed',
    // fired to signal that a manifest loading starts - data: { url : manifestURL}
    MANIFEST_LOADING: 'hlsManifestLoading',
    // fired after manifest has been loaded - data: { levels : [available quality levels], audioTracks : [ available audio tracks], url : manifestURL, stats : { trequest, tfirst, tload, mtime}}
    MANIFEST_LOADED: 'hlsManifestLoaded',
    // fired after manifest has been parsed - data: { levels : [available quality levels], firstLevel : index of first quality level appearing in Manifest}
    MANIFEST_PARSED: 'hlsManifestParsed',
    // fired when a level switch is requested - data: { level : id of new level } // deprecated in favor LEVEL_SWITCHING
    LEVEL_SWITCH: 'hlsLevelSwitch',
    // fired when a level switch is requested - data: { level : id of new level }
    LEVEL_SWITCHING: 'hlsLevelSwitching',
    // fired when a level switch is effective - data: { level : id of new level }
    LEVEL_SWITCHED: 'hlsLevelSwitched',
    // fired when a level playlist loading starts - data: { url : level URL, level : id of level being loaded}
    LEVEL_LOADING: 'hlsLevelLoading',
    // fired when a level playlist loading finishes - data: { details : levelDetails object, level : id of loaded level, stats : { trequest, tfirst, tload, mtime} }
    LEVEL_LOADED: 'hlsLevelLoaded',
    // fired when a level's details have been updated based on previous details, after it has been loaded - data: { details : levelDetails object, level : id of updated level }
    LEVEL_UPDATED: 'hlsLevelUpdated',
    // fired when a level's PTS information has been updated after parsing a fragment - data: { details : levelDetails object, level : id of updated level, drift: PTS drift observed when parsing last fragment }
    LEVEL_PTS_UPDATED: 'hlsLevelPtsUpdated',
    // fired to notify that audio track lists has been updated - data: { audioTracks : audioTracks }
    AUDIO_TRACKS_UPDATED: 'hlsAudioTracksUpdated',
    // fired when an audio track switch occurs - data: { id : audio track id } // deprecated in favor AUDIO_TRACK_SWITCHING
    AUDIO_TRACK_SWITCH: 'hlsAudioTrackSwitch',
    // fired when an audio track switching is requested - data: { id : audio track id }
    AUDIO_TRACK_SWITCHING: 'hlsAudioTrackSwitching',
    // fired when an audio track switch actually occurs - data: { id : audio track id }
    AUDIO_TRACK_SWITCHED: 'hlsAudioTrackSwitched',
    // fired when an audio track loading starts - data: { url : audio track URL, id : audio track id }
    AUDIO_TRACK_LOADING: 'hlsAudioTrackLoading',
    // fired when an audio track loading finishes - data: { details : levelDetails object, id : audio track id, stats : { trequest, tfirst, tload, mtime } }
    AUDIO_TRACK_LOADED: 'hlsAudioTrackLoaded',
    // fired to notify that subtitle track lists has been updated - data: { subtitleTracks : subtitleTracks }
    SUBTITLE_TRACKS_UPDATED: 'hlsSubtitleTracksUpdated',
    // fired when an subtitle track switch occurs - data: { id : subtitle track id }
    SUBTITLE_TRACK_SWITCH: 'hlsSubtitleTrackSwitch',
    // fired when a subtitle track loading starts - data: { url : subtitle track URL, id : subtitle track id }
    SUBTITLE_TRACK_LOADING: 'hlsSubtitleTrackLoading',
    // fired when a subtitle track loading finishes - data: { details : levelDetails object, id : subtitle track id, stats : { trequest, tfirst, tload, mtime } }
    SUBTITLE_TRACK_LOADED: 'hlsSubtitleTrackLoaded',
    // fired when a subtitle fragment has been processed - data: { success : boolean, frag : the processed frag }
    SUBTITLE_FRAG_PROCESSED: 'hlsSubtitleFragProcessed',
    // fired when the first timestamp is found - data: { id : demuxer id, initPTS: initPTS, frag : fragment object }
    INIT_PTS_FOUND: 'hlsInitPtsFound',
    // fired when a fragment loading starts - data: { frag : fragment object }
    FRAG_LOADING: 'hlsFragLoading',
    // fired when a fragment loading is progressing - data: { frag : fragment object, { trequest, tfirst, loaded } }
    FRAG_LOAD_PROGRESS: 'hlsFragLoadProgress',
    // Identifier for fragment load aborting for emergency switch down - data: { frag : fragment object }
    FRAG_LOAD_EMERGENCY_ABORTED: 'hlsFragLoadEmergencyAborted',
    // fired when a fragment loading is completed - data: { frag : fragment object, payload : fragment payload, stats : { trequest, tfirst, tload, length } }
    FRAG_LOADED: 'hlsFragLoaded',
    // fired when a fragment has finished decrypting - data: { id : demuxer id, frag: fragment object, stats : { tstart, tdecrypt } }
    FRAG_DECRYPTED: 'hlsFragDecrypted',
    // fired when Init Segment has been extracted from fragment - data: { id : demuxer id, frag: fragment object, moov : moov MP4 box, codecs : codecs found while parsing fragment }
    FRAG_PARSING_INIT_SEGMENT: 'hlsFragParsingInitSegment',
    // fired when parsing sei text is completed - data: { id : demuxer id, frag: fragment object, samples : [ sei samples pes ] }
    FRAG_PARSING_USERDATA: 'hlsFragParsingUserdata',
    // fired when parsing id3 is completed - data: { id : demuxer id, frag: fragment object, samples : [ id3 samples pes ] }
    FRAG_PARSING_METADATA: 'hlsFragParsingMetadata',
    // fired when data have been extracted from fragment - data: { id : demuxer id, frag: fragment object, data1 : moof MP4 box or TS fragments, data2 : mdat MP4 box or null}
    FRAG_PARSING_DATA: 'hlsFragParsingData',
    // fired when fragment parsing is completed - data: { id : demuxer id, frag: fragment object }
    FRAG_PARSED: 'hlsFragParsed',
    // fired when fragment remuxed MP4 boxes have all been appended into SourceBuffer - data: { id : demuxer id, frag : fragment object, stats : { trequest, tfirst, tload, tparsed, tbuffered, length, bwEstimate } }
    FRAG_BUFFERED: 'hlsFragBuffered',
    // fired when fragment matching with current media position is changing - data : { id : demuxer id, frag : fragment object }
    FRAG_CHANGED: 'hlsFragChanged',
    // Identifier for a FPS drop event - data: { curentDropped, currentDecoded, totalDroppedFrames }
    FPS_DROP: 'hlsFpsDrop',
    //triggered when FPS drop triggers auto level capping - data: { level, droppedlevel }
    FPS_DROP_LEVEL_CAPPING: 'hlsFpsDropLevelCapping',
    // Identifier for an error event - data: { type : error type, details : error details, fatal : if true, hls.js cannot/will not try to recover, if false, hls.js will try to recover,other error specific data }
    ERROR: 'hlsError',
    // fired when hls.js instance starts destroying. Different from MEDIA_DETACHED as one could want to detach and reattach a media to the instance of hls.js to handle mid-rolls for example - data: { }
    DESTROYING: 'hlsDestroying',
    // fired when a decrypt key loading starts - data: { frag : fragment object }
    KEY_LOADING: 'hlsKeyLoading',
    // fired when a decrypt key loading is completed - data: { frag : fragment object, payload : key payload, stats : { trequest, tfirst, tload, length } }
    KEY_LOADED: 'hlsKeyLoaded',
    // fired upon stream controller state transitions - data: { previousState, nextState }
    STREAM_STATE_TRANSITION: 'hlsStreamStateTransition'
  };
  
  },{}],36:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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; }; }();
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  /**
   *  AAC helper
   */
  
  var AAC = function () {
    function AAC() {
      _classCallCheck(this, AAC);
    }
  
    _createClass(AAC, null, [{
      key: 'getSilentFrame',
      value: function getSilentFrame(codec, channelCount) {
        switch (codec) {
          case 'mp4a.40.2':
            if (channelCount === 1) {
              return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x23, 0x80]);
            } else if (channelCount === 2) {
              return new Uint8Array([0x21, 0x00, 0x49, 0x90, 0x02, 0x19, 0x00, 0x23, 0x80]);
            } else if (channelCount === 3) {
              return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x8e]);
            } else if (channelCount === 4) {
              return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x80, 0x2c, 0x80, 0x08, 0x02, 0x38]);
            } else if (channelCount === 5) {
              return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x38]);
            } else if (channelCount === 6) {
              return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x00, 0xb2, 0x00, 0x20, 0x08, 0xe0]);
            }
            break;
          // handle HE-AAC below (mp4a.40.5 / mp4a.40.29)
          default:
            if (channelCount === 1) {
              // ffmpeg -y -f lavfi -i "aevalsrc=0:d=0.05" -c:a libfdk_aac -profile:a aac_he -b:a 4k output.aac && hexdump -v -e '16/1 "0x%x," "\n"' -v output.aac
              return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x4e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x1c, 0x6, 0xf1, 0xc1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);
            } else if (channelCount === 2) {
              // ffmpeg -y -f lavfi -i "aevalsrc=0|0:d=0.05" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 "0x%x," "\n"' -v output.aac
              return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);
            } else if (channelCount === 3) {
              // ffmpeg -y -f lavfi -i "aevalsrc=0|0|0:d=0.05" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 "0x%x," "\n"' -v output.aac
              return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);
            }
            break;
        }
        return null;
      }
    }]);
  
    return AAC;
  }();
  
  exports.default = AAC;
  
  },{}],37:[function(_dereq_,module,exports){
  "use strict";
  
  /**
   * Buffer Helper utils, providing methods dealing buffer length retrieval
  */
  
  var BufferHelper = {
    isBuffered: function isBuffered(media, position) {
      if (media) {
        var buffered = media.buffered;
        for (var i = 0; i < buffered.length; i++) {
          if (position >= buffered.start(i) && position <= buffered.end(i)) {
            return true;
          }
        }
      }
      return false;
    },
  
    bufferInfo: function bufferInfo(media, pos, maxHoleDuration) {
      if (media) {
        var vbuffered = media.buffered,
            buffered = [],
            i;
        for (i = 0; i < vbuffered.length; i++) {
          buffered.push({ start: vbuffered.start(i), end: vbuffered.end(i) });
        }
        return this.bufferedInfo(buffered, pos, maxHoleDuration);
      } else {
        return { len: 0, start: pos, end: pos, nextStart: undefined };
      }
    },
  
    bufferedInfo: function bufferedInfo(buffered, pos, maxHoleDuration) {
      var buffered2 = [],
  
      // bufferStart and bufferEnd are buffer boundaries around current video position
      bufferLen,
          bufferStart,
          bufferEnd,
          bufferStartNext,
          i;
      // sort on buffer.start/smaller end (IE does not always return sorted buffered range)
      buffered.sort(function (a, b) {
        var diff = a.start - b.start;
        if (diff) {
          return diff;
        } else {
          return b.end - a.end;
        }
      });
      // there might be some small holes between buffer time range
      // consider that holes smaller than maxHoleDuration are irrelevant and build another
      // buffer time range representations that discards those holes
      for (i = 0; i < buffered.length; i++) {
        var buf2len = buffered2.length;
        if (buf2len) {
          var buf2end = buffered2[buf2len - 1].end;
          // if small hole (value between 0 or maxHoleDuration ) or overlapping (negative)
          if (buffered[i].start - buf2end < maxHoleDuration) {
            // merge overlapping time ranges
            // update lastRange.end only if smaller than item.end
            // e.g.  [ 1, 15] with  [ 2,8] => [ 1,15] (no need to modify lastRange.end)
            // whereas [ 1, 8] with  [ 2,15] => [ 1,15] ( lastRange should switch from [1,8] to [1,15])
            if (buffered[i].end > buf2end) {
              buffered2[buf2len - 1].end = buffered[i].end;
            }
          } else {
            // big hole
            buffered2.push(buffered[i]);
          }
        } else {
          // first value
          buffered2.push(buffered[i]);
        }
      }
      for (i = 0, bufferLen = 0, bufferStart = bufferEnd = pos; i < buffered2.length; i++) {
        var start = buffered2[i].start,
            end = buffered2[i].end;
        //logger.log('buf start/end:' + buffered.start(i) + '/' + buffered.end(i));
        if (pos + maxHoleDuration >= start && pos < end) {
          // play position is inside this buffer TimeRange, retrieve end of buffer position and buffer length
          bufferStart = start;
          bufferEnd = end;
          bufferLen = bufferEnd - pos;
        } else if (pos + maxHoleDuration < start) {
          bufferStartNext = start;
          break;
        }
      }
      return { len: bufferLen, start: bufferStart, end: bufferEnd, nextStart: bufferStartNext };
    }
  };
  
  module.exports = BufferHelper;
  
  },{}],38:[function(_dereq_,module,exports){
  'use strict';
  
  var _logger = _dereq_(53);
  
  var LevelHelper = {
  
    mergeDetails: function mergeDetails(oldDetails, newDetails) {
      var start = Math.max(oldDetails.startSN, newDetails.startSN) - newDetails.startSN,
          end = Math.min(oldDetails.endSN, newDetails.endSN) - newDetails.startSN,
          delta = newDetails.startSN - oldDetails.startSN,
          oldfragments = oldDetails.fragments,
          newfragments = newDetails.fragments,
          ccOffset = 0,
          PTSFrag;
  
      // check if old/new playlists have fragments in common
      if (end < start) {
        newDetails.PTSKnown = false;
        return;
      }
      // loop through overlapping SN and update startPTS , cc, and duration if any found
      for (var i = start; i <= end; i++) {
        var oldFrag = oldfragments[delta + i],
            newFrag = newfragments[i];
        if (newFrag && oldFrag) {
          ccOffset = oldFrag.cc - newFrag.cc;
          if (!isNaN(oldFrag.startPTS)) {
            newFrag.start = newFrag.startPTS = oldFrag.startPTS;
            newFrag.endPTS = oldFrag.endPTS;
            newFrag.duration = oldFrag.duration;
            newFrag.backtracked = oldFrag.backtracked;
            newFrag.dropped = oldFrag.dropped;
            PTSFrag = newFrag;
          }
        }
      }
  
      if (ccOffset) {
        _logger.logger.log('discontinuity sliding from playlist, take drift into account');
        for (i = 0; i < newfragments.length; i++) {
          newfragments[i].cc += ccOffset;
        }
      }
  
      // if at least one fragment contains PTS info, recompute PTS information for all fragments
      if (PTSFrag) {
        LevelHelper.updateFragPTSDTS(newDetails, PTSFrag, PTSFrag.startPTS, PTSFrag.endPTS, PTSFrag.startDTS, PTSFrag.endDTS);
      } else {
        // ensure that delta is within oldfragments range
        // also adjust sliding in case delta is 0 (we could have old=[50-60] and new=old=[50-61])
        // in that case we also need to adjust start offset of all fragments
        if (delta >= 0 && delta < oldfragments.length) {
          // adjust start by sliding offset
          var sliding = oldfragments[delta].start;
          for (i = 0; i < newfragments.length; i++) {
            newfragments[i].start += sliding;
          }
        }
      }
      // if we are here, it means we have fragments overlapping between
      // old and new level. reliable PTS info is thus relying on old level
      newDetails.PTSKnown = oldDetails.PTSKnown;
      return;
    },
  
    updateFragPTSDTS: function updateFragPTSDTS(details, frag, startPTS, endPTS, startDTS, endDTS) {
      // update frag PTS/DTS
      if (!isNaN(frag.startPTS)) {
        // delta PTS between audio and video
        var deltaPTS = Math.abs(frag.startPTS - startPTS);
        if (isNaN(frag.deltaPTS)) {
          frag.deltaPTS = deltaPTS;
        } else {
          frag.deltaPTS = Math.max(deltaPTS, frag.deltaPTS);
        }
        startPTS = Math.min(startPTS, frag.startPTS);
        endPTS = Math.max(endPTS, frag.endPTS);
        startDTS = Math.min(startDTS, frag.startDTS);
        endDTS = Math.max(endDTS, frag.endDTS);
      }
  
      var drift = startPTS - frag.start;
      frag.start = frag.startPTS = startPTS;
      frag.endPTS = endPTS;
      frag.startDTS = startDTS;
      frag.endDTS = endDTS;
      frag.duration = endPTS - startPTS;
  
      var sn = frag.sn;
      // exit if sn out of range
      if (!details || sn < details.startSN || sn > details.endSN) {
        return 0;
      }
      var fragIdx, fragments, i;
      fragIdx = sn - details.startSN;
      fragments = details.fragments;
      frag = fragments[fragIdx];
      // adjust fragment PTS/duration from seqnum-1 to frag 0
      for (i = fragIdx; i > 0; i--) {
        LevelHelper.updatePTS(fragments, i, i - 1);
      }
  
      // adjust fragment PTS/duration from seqnum to last frag
      for (i = fragIdx; i < fragments.length - 1; i++) {
        LevelHelper.updatePTS(fragments, i, i + 1);
      }
      details.PTSKnown = true;
      //logger.log(`                                            frag start/end:${startPTS.toFixed(3)}/${endPTS.toFixed(3)}`);
  
      return drift;
    },
  
    updatePTS: function updatePTS(fragments, fromIdx, toIdx) {
      var fragFrom = fragments[fromIdx],
          fragTo = fragments[toIdx],
          fragToPTS = fragTo.startPTS;
      // if we know startPTS[toIdx]
      if (!isNaN(fragToPTS)) {
        // update fragment duration.
        // it helps to fix drifts between playlist reported duration and fragment real duration
        if (toIdx > fromIdx) {
          fragFrom.duration = fragToPTS - fragFrom.start;
          if (fragFrom.duration < 0) {
            _logger.logger.warn('negative duration computed for frag ' + fragFrom.sn + ',level ' + fragFrom.level + ', there should be some duration drift between playlist and fragment!');
          }
        } else {
          fragTo.duration = fragFrom.start - fragToPTS;
          if (fragTo.duration < 0) {
            _logger.logger.warn('negative duration computed for frag ' + fragTo.sn + ',level ' + fragTo.level + ', there should be some duration drift between playlist and fragment!');
          }
        }
      } else {
        // we dont know startPTS[toIdx]
        if (toIdx > fromIdx) {
          fragTo.start = fragFrom.start + fragFrom.duration;
        } else {
          fragTo.start = Math.max(fragFrom.start - fragTo.duration, 0);
        }
      }
    }
  }; /**
      * Level Helper class, providing methods dealing with playlist sliding and drift
     */
  
  module.exports = LevelHelper;
  
  },{"53":53}],39:[function(_dereq_,module,exports){
  /**
   * HLS interface
   */
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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 _urlToolkit = _dereq_(2);
  
  var _urlToolkit2 = _interopRequireDefault(_urlToolkit);
  
  var _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  var _errors = _dereq_(33);
  
  var _playlistLoader = _dereq_(43);
  
  var _playlistLoader2 = _interopRequireDefault(_playlistLoader);
  
  var _fragmentLoader = _dereq_(41);
  
  var _fragmentLoader2 = _interopRequireDefault(_fragmentLoader);
  
  var _keyLoader = _dereq_(42);
  
  var _keyLoader2 = _interopRequireDefault(_keyLoader);
  
  var _streamController = _dereq_(13);
  
  var _streamController2 = _interopRequireDefault(_streamController);
  
  var _levelController = _dereq_(12);
  
  var _levelController2 = _interopRequireDefault(_levelController);
  
  var _id3TrackController = _dereq_(11);
  
  var _id3TrackController2 = _interopRequireDefault(_id3TrackController);
  
  var _logger = _dereq_(53);
  
  var _events3 = _dereq_(1);
  
  var _events4 = _interopRequireDefault(_events3);
  
  var _config = _dereq_(4);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var Hls = function () {
    _createClass(Hls, null, [{
      key: 'isSupported',
      value: function isSupported() {
        var mediaSource = window.MediaSource = window.MediaSource || window.WebKitMediaSource;
        var sourceBuffer = window.SourceBuffer = window.SourceBuffer || window.WebKitSourceBuffer;
        var isTypeSupported = mediaSource && typeof mediaSource.isTypeSupported === 'function' && mediaSource.isTypeSupported('video/mp4; codecs="avc1.42E01E,mp4a.40.2"');
  
        // if SourceBuffer is exposed ensure its API is valid
        // safari and old version of Chrome doe not expose SourceBuffer globally so checking SourceBuffer.prototype is impossible
        var sourceBufferValidAPI = !sourceBuffer || sourceBuffer.prototype && typeof sourceBuffer.prototype.appendBuffer === 'function' && typeof sourceBuffer.prototype.remove === 'function';
        return isTypeSupported && sourceBufferValidAPI;
      }
    }, {
      key: 'version',
      get: function get() {
        // replaced with browserify-versionify transform
        return '0.7.9';
      }
    }, {
      key: 'Events',
      get: function get() {
        return _events2.default;
      }
    }, {
      key: 'ErrorTypes',
      get: function get() {
        return _errors.ErrorTypes;
      }
    }, {
      key: 'ErrorDetails',
      get: function get() {
        return _errors.ErrorDetails;
      }
    }, {
      key: 'DefaultConfig',
      get: function get() {
        if (!Hls.defaultConfig) {
          return _config.hlsDefaultConfig;
        }
        return Hls.defaultConfig;
      },
      set: function set(defaultConfig) {
        Hls.defaultConfig = defaultConfig;
      }
    }]);
  
    function Hls() {
      var _this = this;
  
      var config = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  
      _classCallCheck(this, Hls);
  
      var defaultConfig = Hls.DefaultConfig;
  
      if ((config.liveSyncDurationCount || config.liveMaxLatencyDurationCount) && (config.liveSyncDuration || config.liveMaxLatencyDuration)) {
        throw new Error('Illegal hls.js config: don\'t mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration');
      }
  
      for (var prop in defaultConfig) {
        if (prop in config) {
          continue;
        }
        config[prop] = defaultConfig[prop];
      }
  
      if (config.liveMaxLatencyDurationCount !== undefined && config.liveMaxLatencyDurationCount <= config.liveSyncDurationCount) {
        throw new Error('Illegal hls.js config: "liveMaxLatencyDurationCount" must be gt "liveSyncDurationCount"');
      }
  
      if (config.liveMaxLatencyDuration !== undefined && (config.liveMaxLatencyDuration <= config.liveSyncDuration || config.liveSyncDuration === undefined)) {
        throw new Error('Illegal hls.js config: "liveMaxLatencyDuration" must be gt "liveSyncDuration"');
      }
  
      (0, _logger.enableLogs)(config.debug);
      this.config = config;
      this._autoLevelCapping = -1;
      // observer setup
      var observer = this.observer = new _events4.default();
      observer.trigger = function trigger(event) {
        for (var _len = arguments.length, data = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
          data[_key - 1] = arguments[_key];
        }
  
        observer.emit.apply(observer, [event, event].concat(data));
      };
  
      observer.off = function off(event) {
        for (var _len2 = arguments.length, data = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
          data[_key2 - 1] = arguments[_key2];
        }
  
        observer.removeListener.apply(observer, [event].concat(data));
      };
      this.on = observer.on.bind(observer);
      this.off = observer.off.bind(observer);
      this.trigger = observer.trigger.bind(observer);
  
      // core controllers and network loaders
      var abrController = this.abrController = new config.abrController(this);
      var bufferController = new config.bufferController(this);
      var capLevelController = new config.capLevelController(this);
      var fpsController = new config.fpsController(this);
      var playListLoader = new _playlistLoader2.default(this);
      var fragmentLoader = new _fragmentLoader2.default(this);
      var keyLoader = new _keyLoader2.default(this);
      var id3TrackController = new _id3TrackController2.default(this);
  
      // network controllers
      var levelController = this.levelController = new _levelController2.default(this);
      var streamController = this.streamController = new _streamController2.default(this);
      var networkControllers = [levelController, streamController];
  
      // optional audio stream controller
      var Controller = config.audioStreamController;
      if (Controller) {
        networkControllers.push(new Controller(this));
      }
      this.networkControllers = networkControllers;
  
      var coreComponents = [playListLoader, fragmentLoader, keyLoader, abrController, bufferController, capLevelController, fpsController, id3TrackController];
  
      // optional audio track and subtitle controller
      Controller = config.audioTrackController;
      if (Controller) {
        var audioTrackController = new Controller(this);
        this.audioTrackController = audioTrackController;
        coreComponents.push(audioTrackController);
      }
  
      Controller = config.subtitleTrackController;
      if (Controller) {
        var subtitleTrackController = new Controller(this);
        this.subtitleTrackController = subtitleTrackController;
        coreComponents.push(subtitleTrackController);
      }
  
      // optional subtitle controller
      [config.subtitleStreamController, config.timelineController].forEach(function (Controller) {
        if (Controller) {
          coreComponents.push(new Controller(_this));
        }
      });
      this.coreComponents = coreComponents;
    }
  
    _createClass(Hls, [{
      key: 'destroy',
      value: function destroy() {
        _logger.logger.log('destroy');
        this.trigger(_events2.default.DESTROYING);
        this.detachMedia();
        this.coreComponents.concat(this.networkControllers).forEach(function (component) {
          component.destroy();
        });
        this.url = null;
        this.observer.removeAllListeners();
        this._autoLevelCapping = -1;
      }
    }, {
      key: 'attachMedia',
      value: function attachMedia(media) {
        _logger.logger.log('attachMedia');
        this.media = media;
        this.trigger(_events2.default.MEDIA_ATTACHING, { media: media });
      }
    }, {
      key: 'detachMedia',
      value: function detachMedia() {
        _logger.logger.log('detachMedia');
        this.trigger(_events2.default.MEDIA_DETACHING);
        this.media = null;
      }
    }, {
      key: 'loadSource',
      value: function loadSource(url) {
        url = _urlToolkit2.default.buildAbsoluteURL(window.location.href, url, { alwaysNormalize: true });
        _logger.logger.log('loadSource:' + url);
        this.url = url;
        // when attaching to a source URL, trigger a playlist load
        this.trigger(_events2.default.MANIFEST_LOADING, { url: url });
      }
    }, {
      key: 'startLoad',
      value: function startLoad() {
        var startPosition = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : -1;
  
        _logger.logger.log('startLoad(' + startPosition + ')');
        this.networkControllers.forEach(function (controller) {
          controller.startLoad(startPosition);
        });
      }
    }, {
      key: 'stopLoad',
      value: function stopLoad() {
        _logger.logger.log('stopLoad');
        this.networkControllers.forEach(function (controller) {
          controller.stopLoad();
        });
      }
    }, {
      key: 'swapAudioCodec',
      value: function swapAudioCodec() {
        _logger.logger.log('swapAudioCodec');
        this.streamController.swapAudioCodec();
      }
    }, {
      key: 'recoverMediaError',
      value: function recoverMediaError() {
        _logger.logger.log('recoverMediaError');
        var media = this.media;
        this.detachMedia();
        this.attachMedia(media);
      }
  
      /** Return all quality levels **/
  
    }, {
      key: 'levels',
      get: function get() {
        return this.levelController.levels;
      }
  
      /** Return current playback quality level **/
  
    }, {
      key: 'currentLevel',
      get: function get() {
        return this.streamController.currentLevel;
      }
  
      /* set quality level immediately (-1 for automatic level selection) */
      ,
      set: function set(newLevel) {
        _logger.logger.log('set currentLevel:' + newLevel);
        this.loadLevel = newLevel;
        this.streamController.immediateLevelSwitch();
      }
  
      /** Return next playback quality level (quality level of next fragment) **/
  
    }, {
      key: 'nextLevel',
      get: function get() {
        return this.streamController.nextLevel;
      }
  
      /* set quality level for next fragment (-1 for automatic level selection) */
      ,
      set: function set(newLevel) {
        _logger.logger.log('set nextLevel:' + newLevel);
        this.levelController.manualLevel = newLevel;
        this.streamController.nextLevelSwitch();
      }
  
      /** Return the quality level of current/last loaded fragment **/
  
    }, {
      key: 'loadLevel',
      get: function get() {
        return this.levelController.level;
      }
  
      /* set quality level for current/next loaded fragment (-1 for automatic level selection) */
      ,
      set: function set(newLevel) {
        _logger.logger.log('set loadLevel:' + newLevel);
        this.levelController.manualLevel = newLevel;
      }
  
      /** Return the quality level of next loaded fragment **/
  
    }, {
      key: 'nextLoadLevel',
      get: function get() {
        return this.levelController.nextLoadLevel;
      }
  
      /** set quality level of next loaded fragment **/
      ,
      set: function set(level) {
        this.levelController.nextLoadLevel = level;
      }
  
      /** Return first level (index of first level referenced in manifest)
      **/
  
    }, {
      key: 'firstLevel',
      get: function get() {
        return Math.max(this.levelController.firstLevel, this.minAutoLevel);
      }
  
      /** set first level (index of first level referenced in manifest)
      **/
      ,
      set: function set(newLevel) {
        _logger.logger.log('set firstLevel:' + newLevel);
        this.levelController.firstLevel = newLevel;
      }
  
      /** Return start level (level of first fragment that will be played back)
          if not overrided by user, first level appearing in manifest will be used as start level
          if -1 : automatic start level selection, playback will start from level matching download bandwidth (determined from download of first segment)
      **/
  
    }, {
      key: 'startLevel',
      get: function get() {
        return this.levelController.startLevel;
      }
  
      /** set  start level (level of first fragment that will be played back)
          if not overrided by user, first level appearing in manifest will be used as start level
          if -1 : automatic start level selection, playback will start from level matching download bandwidth (determined from download of first segment)
      **/
      ,
      set: function set(newLevel) {
        _logger.logger.log('set startLevel:' + newLevel);
        var hls = this;
        // if not in automatic start level detection, ensure startLevel is greater than minAutoLevel
        if (newLevel !== -1) {
          newLevel = Math.max(newLevel, hls.minAutoLevel);
        }
        hls.levelController.startLevel = newLevel;
      }
  
      /** Return the capping/max level value that could be used by automatic level selection algorithm **/
  
    }, {
      key: 'autoLevelCapping',
      get: function get() {
        return this._autoLevelCapping;
      }
  
      /** set the capping/max level value that could be used by automatic level selection algorithm **/
      ,
      set: function set(newLevel) {
        _logger.logger.log('set autoLevelCapping:' + newLevel);
        this._autoLevelCapping = newLevel;
      }
  
      /* check if we are in automatic level selection mode */
  
    }, {
      key: 'autoLevelEnabled',
      get: function get() {
        return this.levelController.manualLevel === -1;
      }
  
      /* return manual level */
  
    }, {
      key: 'manualLevel',
      get: function get() {
        return this.levelController.manualLevel;
      }
  
      /* return min level selectable in auto mode according to config.minAutoBitrate */
  
    }, {
      key: 'minAutoLevel',
      get: function get() {
        var hls = this,
            levels = hls.levels,
            minAutoBitrate = hls.config.minAutoBitrate,
            len = levels ? levels.length : 0;
        for (var i = 0; i < len; i++) {
          var levelNextBitrate = levels[i].realBitrate ? Math.max(levels[i].realBitrate, levels[i].bitrate) : levels[i].bitrate;
          if (levelNextBitrate > minAutoBitrate) {
            return i;
          }
        }
        return 0;
      }
  
      /* return max level selectable in auto mode according to autoLevelCapping */
  
    }, {
      key: 'maxAutoLevel',
      get: function get() {
        var hls = this;
        var levels = hls.levels;
        var autoLevelCapping = hls.autoLevelCapping;
        var maxAutoLevel = void 0;
        if (autoLevelCapping === -1 && levels && levels.length) {
          maxAutoLevel = levels.length - 1;
        } else {
          maxAutoLevel = autoLevelCapping;
        }
        return maxAutoLevel;
      }
  
      // return next auto level
  
    }, {
      key: 'nextAutoLevel',
      get: function get() {
        var hls = this;
        // ensure next auto level is between  min and max auto level
        return Math.min(Math.max(hls.abrController.nextAutoLevel, hls.minAutoLevel), hls.maxAutoLevel);
      }
  
      // this setter is used to force next auto level
      // this is useful to force a switch down in auto mode : in case of load error on level N, hls.js can set nextAutoLevel to N-1 for example)
      // forced value is valid for one fragment. upon succesful frag loading at forced level, this value will be resetted to -1 by ABR controller
      ,
      set: function set(nextLevel) {
        var hls = this;
        hls.abrController.nextAutoLevel = Math.max(hls.minAutoLevel, nextLevel);
      }
  
      /** get alternate audio tracks list from playlist **/
  
    }, {
      key: 'audioTracks',
      get: function get() {
        var audioTrackController = this.audioTrackController;
        return audioTrackController ? audioTrackController.audioTracks : [];
      }
  
      /** get index of the selected audio track (index in audio track lists) **/
  
    }, {
      key: 'audioTrack',
      get: function get() {
        var audioTrackController = this.audioTrackController;
        return audioTrackController ? audioTrackController.audioTrack : -1;
      }
  
      /** select an audio track, based on its index in audio track lists**/
      ,
      set: function set(audioTrackId) {
        var audioTrackController = this.audioTrackController;
        if (audioTrackController) {
          audioTrackController.audioTrack = audioTrackId;
        }
      }
    }, {
      key: 'liveSyncPosition',
      get: function get() {
        return this.streamController.liveSyncPosition;
      }
  
      /** get alternate subtitle tracks list from playlist **/
  
    }, {
      key: 'subtitleTracks',
      get: function get() {
        var subtitleTrackController = this.subtitleTrackController;
        return subtitleTrackController ? subtitleTrackController.subtitleTracks : [];
      }
  
      /** get index of the selected subtitle track (index in subtitle track lists) **/
  
    }, {
      key: 'subtitleTrack',
      get: function get() {
        var subtitleTrackController = this.subtitleTrackController;
        return subtitleTrackController ? subtitleTrackController.subtitleTrack : -1;
      }
  
      /** select an subtitle track, based on its index in subtitle track lists**/
      ,
      set: function set(subtitleTrackId) {
        var subtitleTrackController = this.subtitleTrackController;
        if (subtitleTrackController) {
          subtitleTrackController.subtitleTrack = subtitleTrackId;
        }
      }
    }]);
  
    return Hls;
  }();
  
  exports.default = Hls;
  
  },{"1":1,"11":11,"12":12,"13":13,"2":2,"33":33,"35":35,"4":4,"41":41,"42":42,"43":43,"53":53}],40:[function(_dereq_,module,exports){
  'use strict';
  
  // This is mostly for support of the es6 module export
  // syntax with the babel compiler, it looks like it doesnt support
  // function exports like we are used to in node/commonjs
  module.exports = _dereq_(39).default;
  
  },{"39":39}],41:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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 _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  var _eventHandler = _dereq_(34);
  
  var _eventHandler2 = _interopRequireDefault(_eventHandler);
  
  var _errors = _dereq_(33);
  
  var _logger = _dereq_(53);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  function _possibleConstructorReturn(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; }
  
  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); } 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; } /*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  * Fragment Loader
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 */
  
  var FragmentLoader = function (_EventHandler) {
    _inherits(FragmentLoader, _EventHandler);
  
    function FragmentLoader(hls) {
      _classCallCheck(this, FragmentLoader);
  
      var _this = _possibleConstructorReturn(this, (FragmentLoader.__proto__ || Object.getPrototypeOf(FragmentLoader)).call(this, hls, _events2.default.FRAG_LOADING));
  
      _this.loaders = {};
      return _this;
    }
  
    _createClass(FragmentLoader, [{
      key: 'destroy',
      value: function destroy() {
        var loaders = this.loaders;
        for (var loaderName in loaders) {
          var loader = loaders[loaderName];
          if (loader) {
            loader.destroy();
          }
        }
        this.loaders = {};
        _eventHandler2.default.prototype.destroy.call(this);
      }
    }, {
      key: 'onFragLoading',
      value: function onFragLoading(data) {
        var frag = data.frag,
            type = frag.type,
            loader = this.loaders[type],
            config = this.hls.config;
  
        frag.loaded = 0;
        if (loader) {
          _logger.logger.warn('abort previous fragment loader for type:' + type);
          loader.abort();
        }
        loader = this.loaders[type] = frag.loader = typeof config.fLoader !== 'undefined' ? new config.fLoader(config) : new config.loader(config);
  
        var loaderContext = void 0,
            loaderConfig = void 0,
            loaderCallbacks = void 0;
        loaderContext = { url: frag.url, frag: frag, responseType: 'arraybuffer', progressData: false };
        var start = frag.byteRangeStartOffset,
            end = frag.byteRangeEndOffset;
        if (!isNaN(start) && !isNaN(end)) {
          loaderContext.rangeStart = start;
          loaderContext.rangeEnd = end;
        }
        loaderConfig = { timeout: config.fragLoadingTimeOut, maxRetry: 0, retryDelay: 0, maxRetryDelay: config.fragLoadingMaxRetryTimeout };
        loaderCallbacks = { onSuccess: this.loadsuccess.bind(this), onError: this.loaderror.bind(this), onTimeout: this.loadtimeout.bind(this), onProgress: this.loadprogress.bind(this) };
        loader.load(loaderContext, loaderConfig, loaderCallbacks);
      }
    }, {
      key: 'loadsuccess',
      value: function loadsuccess(response, stats, context) {
        var payload = response.data,
            frag = context.frag;
        // detach fragment loader on load success
        frag.loader = undefined;
        this.loaders[frag.type] = undefined;
        this.hls.trigger(_events2.default.FRAG_LOADED, { payload: payload, frag: frag, stats: stats });
      }
    }, {
      key: 'loaderror',
      value: function loaderror(response, context) {
        var loader = context.loader;
        if (loader) {
          loader.abort();
        }
        this.loaders[context.type] = undefined;
        this.hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.NETWORK_ERROR, details: _errors.ErrorDetails.FRAG_LOAD_ERROR, fatal: false, frag: context.frag, response: response });
      }
    }, {
      key: 'loadtimeout',
      value: function loadtimeout(stats, context) {
        var loader = context.loader;
        if (loader) {
          loader.abort();
        }
        this.loaders[context.type] = undefined;
        this.hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.NETWORK_ERROR, details: _errors.ErrorDetails.FRAG_LOAD_TIMEOUT, fatal: false, frag: context.frag });
      }
  
      // data will be used for progressive parsing
  
    }, {
      key: 'loadprogress',
      value: function loadprogress(stats, context, data) {
        // jshint ignore:line
        var frag = context.frag;
        frag.loaded = stats.loaded;
        this.hls.trigger(_events2.default.FRAG_LOAD_PROGRESS, { frag: frag, stats: stats });
      }
    }]);
  
    return FragmentLoader;
  }(_eventHandler2.default);
  
  exports.default = FragmentLoader;
  
  },{"33":33,"34":34,"35":35,"53":53}],42:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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 _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  var _eventHandler = _dereq_(34);
  
  var _eventHandler2 = _interopRequireDefault(_eventHandler);
  
  var _errors = _dereq_(33);
  
  var _logger = _dereq_(53);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  function _possibleConstructorReturn(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; }
  
  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); } 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; } /*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  * Decrypt key Loader
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 */
  
  var KeyLoader = function (_EventHandler) {
    _inherits(KeyLoader, _EventHandler);
  
    function KeyLoader(hls) {
      _classCallCheck(this, KeyLoader);
  
      var _this = _possibleConstructorReturn(this, (KeyLoader.__proto__ || Object.getPrototypeOf(KeyLoader)).call(this, hls, _events2.default.KEY_LOADING));
  
      _this.loaders = {};
      _this.decryptkey = null;
      _this.decrypturl = null;
      return _this;
    }
  
    _createClass(KeyLoader, [{
      key: 'destroy',
      value: function destroy() {
        for (var loaderName in this.loaders) {
          var loader = this.loaders[loaderName];
          if (loader) {
            loader.destroy();
          }
        }
        this.loaders = {};
        _eventHandler2.default.prototype.destroy.call(this);
      }
    }, {
      key: 'onKeyLoading',
      value: function onKeyLoading(data) {
        var frag = data.frag,
            type = frag.type,
            loader = this.loaders[type],
            decryptdata = frag.decryptdata,
            uri = decryptdata.uri;
        // if uri is different from previous one or if decrypt key not retrieved yet
        if (uri !== this.decrypturl || this.decryptkey === null) {
          var config = this.hls.config;
  
          if (loader) {
            _logger.logger.warn('abort previous key loader for type:' + type);
            loader.abort();
          }
          frag.loader = this.loaders[type] = new config.loader(config);
          this.decrypturl = uri;
          this.decryptkey = null;
  
          var loaderContext = void 0,
              loaderConfig = void 0,
              loaderCallbacks = void 0;
          loaderContext = { url: uri, frag: frag, responseType: 'arraybuffer' };
          loaderConfig = { timeout: config.fragLoadingTimeOut, maxRetry: config.fragLoadingMaxRetry, retryDelay: config.fragLoadingRetryDelay, maxRetryDelay: config.fragLoadingMaxRetryTimeout };
          loaderCallbacks = { onSuccess: this.loadsuccess.bind(this), onError: this.loaderror.bind(this), onTimeout: this.loadtimeout.bind(this) };
          frag.loader.load(loaderContext, loaderConfig, loaderCallbacks);
        } else if (this.decryptkey) {
          // we already loaded this key, return it
          decryptdata.key = this.decryptkey;
          this.hls.trigger(_events2.default.KEY_LOADED, { frag: frag });
        }
      }
    }, {
      key: 'loadsuccess',
      value: function loadsuccess(response, stats, context) {
        var frag = context.frag;
        this.decryptkey = frag.decryptdata.key = new Uint8Array(response.data);
        // detach fragment loader on load success
        frag.loader = undefined;
        this.loaders[frag.type] = undefined;
        this.hls.trigger(_events2.default.KEY_LOADED, { frag: frag });
      }
    }, {
      key: 'loaderror',
      value: function loaderror(response, context) {
        var frag = context.frag,
            loader = frag.loader;
        if (loader) {
          loader.abort();
        }
        this.loaders[context.type] = undefined;
        this.hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.NETWORK_ERROR, details: _errors.ErrorDetails.KEY_LOAD_ERROR, fatal: false, frag: frag, response: response });
      }
    }, {
      key: 'loadtimeout',
      value: function loadtimeout(stats, context) {
        var frag = context.frag,
            loader = frag.loader;
        if (loader) {
          loader.abort();
        }
        this.loaders[context.type] = undefined;
        this.hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.NETWORK_ERROR, details: _errors.ErrorDetails.KEY_LOAD_TIMEOUT, fatal: false, frag: frag });
      }
    }]);
  
    return KeyLoader;
  }(_eventHandler2.default);
  
  exports.default = KeyLoader;
  
  },{"33":33,"34":34,"35":35,"53":53}],43:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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; }; }(); /**
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        * Playlist Loader
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       */
  
  var _urlToolkit = _dereq_(2);
  
  var _urlToolkit2 = _interopRequireDefault(_urlToolkit);
  
  var _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  var _eventHandler = _dereq_(34);
  
  var _eventHandler2 = _interopRequireDefault(_eventHandler);
  
  var _errors = _dereq_(33);
  
  var _attrList = _dereq_(47);
  
  var _attrList2 = _interopRequireDefault(_attrList);
  
  var _logger = _dereq_(53);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _possibleConstructorReturn(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; }
  
  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); } 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; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  // https://regex101.com is your friend
  var MASTER_PLAYLIST_REGEX = /#EXT-X-STREAM-INF:([^\n\r]*)[\r\n]+([^\r\n]+)/g;
  var MASTER_PLAYLIST_MEDIA_REGEX = /#EXT-X-MEDIA:(.*)/g;
  var LEVEL_PLAYLIST_REGEX_FAST = /#EXTINF:(\d*(?:\.\d+)?)(?:,(.*))?|(?!#)(\S.+)|#EXT-X-BYTERANGE: *(.+)|#EXT-X-PROGRAM-DATE-TIME:(.+)|#.*/g;
  var LEVEL_PLAYLIST_REGEX_SLOW = /(?:(?:#(EXTM3U))|(?:#EXT-X-(PLAYLIST-TYPE):(.+))|(?:#EXT-X-(MEDIA-SEQUENCE): *(\d+))|(?:#EXT-X-(TARGETDURATION): *(\d+))|(?:#EXT-X-(KEY):(.+))|(?:#EXT-X-(START):(.+))|(?:#EXT-X-(ENDLIST))|(?:#EXT-X-(DISCONTINUITY-SEQ)UENCE:(\d+))|(?:#EXT-X-(DIS)CONTINUITY))|(?:#EXT-X-(VERSION):(\d+))|(?:#EXT-X-(MAP):(.+))|(?:(#)(.*):(.*))|(?:(#)(.*))(?:.*)\r?\n?/;
  
  var LevelKey = function () {
    function LevelKey() {
      _classCallCheck(this, LevelKey);
  
      this.method = null;
      this.key = null;
      this.iv = null;
      this._uri = null;
    }
  
    _createClass(LevelKey, [{
      key: 'uri',
      get: function get() {
        if (!this._uri && this.reluri) {
          this._uri = _urlToolkit2.default.buildAbsoluteURL(this.baseuri, this.reluri, { alwaysNormalize: true });
        }
        return this._uri;
      }
    }]);
  
    return LevelKey;
  }();
  
  var Fragment = function () {
    function Fragment() {
      _classCallCheck(this, Fragment);
  
      this._url = null;
      this._byteRange = null;
      this._decryptdata = null;
      this.tagList = [];
    }
  
    _createClass(Fragment, [{
      key: 'createInitializationVector',
  
  
      /**
       * Utility method for parseLevelPlaylist to create an initialization vector for a given segment
       * @returns {Uint8Array}
       */
      value: function createInitializationVector(segmentNumber) {
        var uint8View = new Uint8Array(16);
  
        for (var i = 12; i < 16; i++) {
          uint8View[i] = segmentNumber >> 8 * (15 - i) & 0xff;
        }
  
        return uint8View;
      }
  
      /**
       * Utility method for parseLevelPlaylist to get a fragment's decryption data from the currently parsed encryption key data
       * @param levelkey - a playlist's encryption info
       * @param segmentNumber - the fragment's segment number
       * @returns {*} - an object to be applied as a fragment's decryptdata
       */
  
    }, {
      key: 'fragmentDecryptdataFromLevelkey',
      value: function fragmentDecryptdataFromLevelkey(levelkey, segmentNumber) {
        var decryptdata = levelkey;
  
        if (levelkey && levelkey.method && levelkey.uri && !levelkey.iv) {
          decryptdata = new LevelKey();
          decryptdata.method = levelkey.method;
          decryptdata.baseuri = levelkey.baseuri;
          decryptdata.reluri = levelkey.reluri;
          decryptdata.iv = this.createInitializationVector(segmentNumber);
        }
  
        return decryptdata;
      }
    }, {
      key: 'cloneObj',
      value: function cloneObj(obj) {
        return JSON.parse(JSON.stringify(obj));
      }
    }, {
      key: 'url',
      get: function get() {
        if (!this._url && this.relurl) {
          this._url = _urlToolkit2.default.buildAbsoluteURL(this.baseurl, this.relurl, { alwaysNormalize: true });
        }
        return this._url;
      },
      set: function set(value) {
        this._url = value;
      }
    }, {
      key: 'programDateTime',
      get: function get() {
        if (!this._programDateTime && this.rawProgramDateTime) {
          this._programDateTime = new Date(Date.parse(this.rawProgramDateTime));
        }
        return this._programDateTime;
      }
    }, {
      key: 'byteRange',
      get: function get() {
        if (!this._byteRange) {
          var byteRange = this._byteRange = [];
          if (this.rawByteRange) {
            var params = this.rawByteRange.split('@', 2);
            if (params.length === 1) {
              var lastByteRangeEndOffset = this.lastByteRangeEndOffset;
              byteRange[0] = lastByteRangeEndOffset ? lastByteRangeEndOffset : 0;
            } else {
              byteRange[0] = parseInt(params[1]);
            }
            byteRange[1] = parseInt(params[0]) + byteRange[0];
          }
        }
        return this._byteRange;
      }
    }, {
      key: 'byteRangeStartOffset',
      get: function get() {
        return this.byteRange[0];
      }
    }, {
      key: 'byteRangeEndOffset',
      get: function get() {
        return this.byteRange[1];
      }
    }, {
      key: 'decryptdata',
      get: function get() {
        if (!this._decryptdata) {
          this._decryptdata = this.fragmentDecryptdataFromLevelkey(this.levelkey, this.sn);
        }
        return this._decryptdata;
      }
    }]);
  
    return Fragment;
  }();
  
  var PlaylistLoader = function (_EventHandler) {
    _inherits(PlaylistLoader, _EventHandler);
  
    function PlaylistLoader(hls) {
      _classCallCheck(this, PlaylistLoader);
  
      var _this = _possibleConstructorReturn(this, (PlaylistLoader.__proto__ || Object.getPrototypeOf(PlaylistLoader)).call(this, hls, _events2.default.MANIFEST_LOADING, _events2.default.LEVEL_LOADING, _events2.default.AUDIO_TRACK_LOADING, _events2.default.SUBTITLE_TRACK_LOADING));
  
      _this.loaders = {};
      return _this;
    }
  
    _createClass(PlaylistLoader, [{
      key: 'destroy',
      value: function destroy() {
        for (var loaderName in this.loaders) {
          var loader = this.loaders[loaderName];
          if (loader) {
            loader.destroy();
          }
        }
        this.loaders = {};
        _eventHandler2.default.prototype.destroy.call(this);
      }
    }, {
      key: 'onManifestLoading',
      value: function onManifestLoading(data) {
        this.load(data.url, { type: 'manifest' });
      }
    }, {
      key: 'onLevelLoading',
      value: function onLevelLoading(data) {
        this.load(data.url, { type: 'level', level: data.level, id: data.id });
      }
    }, {
      key: 'onAudioTrackLoading',
      value: function onAudioTrackLoading(data) {
        this.load(data.url, { type: 'audioTrack', id: data.id });
      }
    }, {
      key: 'onSubtitleTrackLoading',
      value: function onSubtitleTrackLoading(data) {
        this.load(data.url, { type: 'subtitleTrack', id: data.id });
      }
    }, {
      key: 'load',
      value: function load(url, context) {
        var loader = this.loaders[context.type];
        if (loader) {
          var loaderContext = loader.context;
          if (loaderContext && loaderContext.url === url) {
            _logger.logger.trace('playlist request ongoing');
            return;
          } else {
            _logger.logger.warn('abort previous loader for type:' + context.type);
            loader.abort();
          }
        }
        var config = this.hls.config,
            retry = void 0,
            timeout = void 0,
            retryDelay = void 0,
            maxRetryDelay = void 0;
        if (context.type === 'manifest') {
          retry = config.manifestLoadingMaxRetry;
          timeout = config.manifestLoadingTimeOut;
          retryDelay = config.manifestLoadingRetryDelay;
          maxRetryDelay = config.manifestLoadingMaxRetryTimeout;
        } else {
          retry = config.levelLoadingMaxRetry;
          timeout = config.levelLoadingTimeOut;
          retryDelay = config.levelLoadingRetryDelay;
          maxRetryDelay = config.levelLoadingMaxRetryTimeout;
          _logger.logger.log('loading playlist for ' + context.type + ' ' + (context.level || context.id));
        }
        loader = this.loaders[context.type] = context.loader = typeof config.pLoader !== 'undefined' ? new config.pLoader(config) : new config.loader(config);
        context.url = url;
        context.responseType = '';
  
        var loaderConfig = void 0,
            loaderCallbacks = void 0;
        loaderConfig = { timeout: timeout, maxRetry: retry, retryDelay: retryDelay, maxRetryDelay: maxRetryDelay };
        loaderCallbacks = { onSuccess: this.loadsuccess.bind(this), onError: this.loaderror.bind(this), onTimeout: this.loadtimeout.bind(this) };
        loader.load(context, loaderConfig, loaderCallbacks);
      }
    }, {
      key: 'resolve',
      value: function resolve(url, baseUrl) {
        return _urlToolkit2.default.buildAbsoluteURL(baseUrl, url, { alwaysNormalize: true });
      }
    }, {
      key: 'parseMasterPlaylist',
      value: function parseMasterPlaylist(string, baseurl) {
        var levels = [],
            result = void 0;
        MASTER_PLAYLIST_REGEX.lastIndex = 0;
        while ((result = MASTER_PLAYLIST_REGEX.exec(string)) != null) {
          var level = {};
  
          var attrs = level.attrs = new _attrList2.default(result[1]);
          level.url = this.resolve(result[2], baseurl);
  
          var resolution = attrs.decimalResolution('RESOLUTION');
          if (resolution) {
            level.width = resolution.width;
            level.height = resolution.height;
          }
          level.bitrate = attrs.decimalInteger('AVERAGE-BANDWIDTH') || attrs.decimalInteger('BANDWIDTH');
          level.name = attrs.NAME;
  
          var codecs = attrs.CODECS;
          if (codecs) {
            codecs = codecs.split(/[ ,]+/);
            for (var i = 0; i < codecs.length; i++) {
              var codec = codecs[i];
              if (codec.indexOf('avc1') !== -1) {
                level.videoCodec = this.avc1toavcoti(codec);
              } else {
                level.audioCodec = codec;
              }
            }
          }
  
          levels.push(level);
        }
        return levels;
      }
    }, {
      key: 'parseMasterPlaylistMedia',
      value: function parseMasterPlaylistMedia(string, baseurl, type) {
        var result = void 0,
            medias = [],
            id = 0;
        MASTER_PLAYLIST_MEDIA_REGEX.lastIndex = 0;
        while ((result = MASTER_PLAYLIST_MEDIA_REGEX.exec(string)) != null) {
          var media = {};
          var attrs = new _attrList2.default(result[1]);
          if (attrs.TYPE === type) {
            media.groupId = attrs['GROUP-ID'];
            media.name = attrs.NAME;
            media.type = type;
            media.default = attrs.DEFAULT === 'YES';
            media.autoselect = attrs.AUTOSELECT === 'YES';
            media.forced = attrs.FORCED === 'YES';
            if (attrs.URI) {
              media.url = this.resolve(attrs.URI, baseurl);
            }
            media.lang = attrs.LANGUAGE;
            if (!media.name) {
              media.name = media.lang;
            }
            media.id = id++;
            medias.push(media);
          }
        }
        return medias;
      }
    }, {
      key: 'avc1toavcoti',
      value: function avc1toavcoti(codec) {
        var result,
            avcdata = codec.split('.');
        if (avcdata.length > 2) {
          result = avcdata.shift() + '.';
          result += parseInt(avcdata.shift()).toString(16);
          result += ('000' + parseInt(avcdata.shift()).toString(16)).substr(-4);
        } else {
          result = codec;
        }
        return result;
      }
    }, {
      key: 'parseLevelPlaylist',
      value: function parseLevelPlaylist(string, baseurl, id, type) {
        var currentSN = 0,
            totalduration = 0,
            level = { type: null, version: null, url: baseurl, fragments: [], live: true, startSN: 0 },
            levelkey = new LevelKey(),
            cc = 0,
            prevFrag = null,
            frag = new Fragment(),
            result,
            i;
  
        LEVEL_PLAYLIST_REGEX_FAST.lastIndex = 0;
  
        while ((result = LEVEL_PLAYLIST_REGEX_FAST.exec(string)) !== null) {
          var duration = result[1];
          if (duration) {
            // INF
            frag.duration = parseFloat(duration);
            // avoid sliced strings    https://github.com/video-dev/hls.js/issues/939
            var title = (' ' + result[2]).slice(1);
            frag.title = title ? title : null;
            frag.tagList.push(title ? ['INF', duration, title] : ['INF', duration]);
          } else if (result[3]) {
            // url
            if (!isNaN(frag.duration)) {
              var sn = currentSN++;
              frag.type = type;
              frag.start = totalduration;
              frag.levelkey = levelkey;
              frag.sn = sn;
              frag.level = id;
              frag.cc = cc;
              frag.baseurl = baseurl;
              // avoid sliced strings    https://github.com/video-dev/hls.js/issues/939
              frag.relurl = (' ' + result[3]).slice(1);
  
              level.fragments.push(frag);
              prevFrag = frag;
              totalduration += frag.duration;
  
              frag = new Fragment();
            }
          } else if (result[4]) {
            // X-BYTERANGE
            frag.rawByteRange = (' ' + result[4]).slice(1);
            if (prevFrag) {
              var lastByteRangeEndOffset = prevFrag.byteRangeEndOffset;
              if (lastByteRangeEndOffset) {
                frag.lastByteRangeEndOffset = lastByteRangeEndOffset;
              }
            }
          } else if (result[5]) {
            // PROGRAM-DATE-TIME
            // avoid sliced strings    https://github.com/video-dev/hls.js/issues/939
            frag.rawProgramDateTime = (' ' + result[5]).slice(1);
            frag.tagList.push(['PROGRAM-DATE-TIME', frag.rawProgramDateTime]);
          } else {
            result = result[0].match(LEVEL_PLAYLIST_REGEX_SLOW);
            for (i = 1; i < result.length; i++) {
              if (result[i] !== undefined) {
                break;
              }
            }
  
            // avoid sliced strings    https://github.com/video-dev/hls.js/issues/939
            var value1 = (' ' + result[i + 1]).slice(1);
            var value2 = (' ' + result[i + 2]).slice(1);
  
            switch (result[i]) {
              case '#':
                frag.tagList.push(value2 ? [value1, value2] : [value1]);
                break;
              case 'PLAYLIST-TYPE':
                level.type = value1.toUpperCase();
                break;
              case 'MEDIA-SEQUENCE':
                currentSN = level.startSN = parseInt(value1);
                break;
              case 'TARGETDURATION':
                level.targetduration = parseFloat(value1);
                break;
              case 'VERSION':
                level.version = parseInt(value1);
                break;
              case 'EXTM3U':
                break;
              case 'ENDLIST':
                level.live = false;
                break;
              case 'DIS':
                cc++;
                frag.tagList.push(['DIS']);
                break;
              case 'DISCONTINUITY-SEQ':
                cc = parseInt(value1);
                break;
              case 'KEY':
                // https://tools.ietf.org/html/draft-pantos-http-live-streaming-08#section-3.4.4
                var decryptparams = value1;
                var keyAttrs = new _attrList2.default(decryptparams);
                var decryptmethod = keyAttrs.enumeratedString('METHOD'),
                    decrypturi = keyAttrs.URI,
                    decryptiv = keyAttrs.hexadecimalInteger('IV');
                if (decryptmethod) {
                  levelkey = new LevelKey();
                  if (decrypturi && ['AES-128', 'SAMPLE-AES'].indexOf(decryptmethod) >= 0) {
                    levelkey.method = decryptmethod;
                    // URI to get the key
                    levelkey.baseuri = baseurl;
                    levelkey.reluri = decrypturi;
                    levelkey.key = null;
                    // Initialization Vector (IV)
                    levelkey.iv = decryptiv;
                  }
                }
                break;
              case 'START':
                var startParams = value1;
                var startAttrs = new _attrList2.default(startParams);
                var startTimeOffset = startAttrs.decimalFloatingPoint('TIME-OFFSET');
                //TIME-OFFSET can be 0
                if (!isNaN(startTimeOffset)) {
                  level.startTimeOffset = startTimeOffset;
                }
                break;
              case 'MAP':
                var mapAttrs = new _attrList2.default(value1);
                frag.relurl = mapAttrs.URI;
                frag.rawByteRange = mapAttrs.BYTERANGE;
                frag.baseurl = baseurl;
                frag.level = id;
                frag.type = type;
                frag.sn = 'initSegment';
                level.initSegment = frag;
                frag = new Fragment();
                break;
              default:
                _logger.logger.warn('line parsed but not handled: ' + result);
                break;
            }
          }
        }
        frag = prevFrag;
        //logger.log('found ' + level.fragments.length + ' fragments');
        if (frag && !frag.relurl) {
          level.fragments.pop();
          totalduration -= frag.duration;
        }
        level.totalduration = totalduration;
        level.averagetargetduration = totalduration / level.fragments.length;
        level.endSN = currentSN - 1;
        return level;
      }
    }, {
      key: 'loadsuccess',
      value: function loadsuccess(response, stats, context) {
        var string = response.data,
            url = response.url,
            type = context.type,
            id = context.id,
            level = context.level,
            hls = this.hls;
  
        this.loaders[type] = undefined;
        // responseURL not supported on some browsers (it is used to detect URL redirection)
        // data-uri mode also not supported (but no need to detect redirection)
        if (url === undefined || url.indexOf('data:') === 0) {
          // fallback to initial URL
          url = context.url;
        }
        stats.tload = performance.now();
        //stats.mtime = new Date(target.getResponseHeader('Last-Modified'));
        if (string.indexOf('#EXTM3U') === 0) {
          if (string.indexOf('#EXTINF:') > 0) {
            var isLevel = type !== 'audioTrack' && type !== 'subtitleTrack',
                levelId = !isNaN(level) ? level : !isNaN(id) ? id : 0,
                levelDetails = this.parseLevelPlaylist(string, url, levelId, type === 'audioTrack' ? 'audio' : type === 'subtitleTrack' ? 'subtitle' : 'main');
            levelDetails.tload = stats.tload;
            if (type === 'manifest') {
              // first request, stream manifest (no master playlist), fire manifest loaded event with level details
              hls.trigger(_events2.default.MANIFEST_LOADED, { levels: [{ url: url, details: levelDetails }], audioTracks: [], url: url, stats: stats });
            }
            stats.tparsed = performance.now();
            if (levelDetails.targetduration) {
              if (isLevel) {
                hls.trigger(_events2.default.LEVEL_LOADED, { details: levelDetails, level: level || 0, id: id || 0, stats: stats });
              } else {
                if (type === 'audioTrack') {
                  hls.trigger(_events2.default.AUDIO_TRACK_LOADED, { details: levelDetails, id: id, stats: stats });
                } else if (type === 'subtitleTrack') {
                  hls.trigger(_events2.default.SUBTITLE_TRACK_LOADED, { details: levelDetails, id: id, stats: stats });
                }
              }
            } else {
              hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.NETWORK_ERROR, details: _errors.ErrorDetails.MANIFEST_PARSING_ERROR, fatal: true, url: url, reason: 'invalid targetduration' });
            }
          } else {
            var levels = this.parseMasterPlaylist(string, url);
            // multi level playlist, parse level info
            if (levels.length) {
              var audioTracks = this.parseMasterPlaylistMedia(string, url, 'AUDIO');
              var subtitles = this.parseMasterPlaylistMedia(string, url, 'SUBTITLES');
              if (audioTracks.length) {
                // check if we have found an audio track embedded in main playlist (audio track without URI attribute)
                var embeddedAudioFound = false;
                audioTracks.forEach(function (audioTrack) {
                  if (!audioTrack.url) {
                    embeddedAudioFound = true;
                  }
                });
                // if no embedded audio track defined, but audio codec signaled in quality level, we need to signal this main audio track
                // this could happen with playlists with alt audio rendition in which quality levels (main) contains both audio+video. but with mixed audio track not signaled
                if (embeddedAudioFound === false && levels[0].audioCodec && !levels[0].attrs.AUDIO) {
                  _logger.logger.log('audio codec signaled in quality level, but no embedded audio track signaled, create one');
                  audioTracks.unshift({ type: 'main', name: 'main' });
                }
              }
              hls.trigger(_events2.default.MANIFEST_LOADED, { levels: levels, audioTracks: audioTracks, subtitles: subtitles, url: url, stats: stats });
            } else {
              hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.NETWORK_ERROR, details: _errors.ErrorDetails.MANIFEST_PARSING_ERROR, fatal: true, url: url, reason: 'no level found in manifest' });
            }
          }
        } else {
          hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.NETWORK_ERROR, details: _errors.ErrorDetails.MANIFEST_PARSING_ERROR, fatal: true, url: url, reason: 'no EXTM3U delimiter' });
        }
      }
    }, {
      key: 'loaderror',
      value: function loaderror(response, context) {
        var details,
            fatal,
            loader = context.loader;
        switch (context.type) {
          case 'manifest':
            details = _errors.ErrorDetails.MANIFEST_LOAD_ERROR;
            fatal = true;
            break;
          case 'level':
            details = _errors.ErrorDetails.LEVEL_LOAD_ERROR;
            fatal = false;
            break;
          case 'audioTrack':
            details = _errors.ErrorDetails.AUDIO_TRACK_LOAD_ERROR;
            fatal = false;
            break;
        }
        if (loader) {
          loader.abort();
          this.loaders[context.type] = undefined;
        }
        this.hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.NETWORK_ERROR, details: details, fatal: fatal, url: loader.url, loader: loader, response: response, context: context });
      }
    }, {
      key: 'loadtimeout',
      value: function loadtimeout(stats, context) {
        var details,
            fatal,
            loader = context.loader;
        switch (context.type) {
          case 'manifest':
            details = _errors.ErrorDetails.MANIFEST_LOAD_TIMEOUT;
            fatal = true;
            break;
          case 'level':
            details = _errors.ErrorDetails.LEVEL_LOAD_TIMEOUT;
            fatal = false;
            break;
          case 'audioTrack':
            details = _errors.ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT;
            fatal = false;
            break;
        }
        if (loader) {
          loader.abort();
          this.loaders[context.type] = undefined;
        }
        this.hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.NETWORK_ERROR, details: details, fatal: fatal, url: loader.url, loader: loader, context: context });
      }
    }]);
  
    return PlaylistLoader;
  }(_eventHandler2.default);
  
  exports.default = PlaylistLoader;
  
  },{"2":2,"33":33,"34":34,"35":35,"47":47,"53":53}],44:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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; }; }();
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  /**
   * Generate MP4 Box
  */
  
  //import Hex from '../utils/hex';
  
  var UINT32_MAX = Math.pow(2, 32) - 1;
  
  var MP4 = function () {
    function MP4() {
      _classCallCheck(this, MP4);
    }
  
    _createClass(MP4, null, [{
      key: 'init',
      value: function init() {
        MP4.types = {
          avc1: [], // codingname
          avcC: [],
          btrt: [],
          dinf: [],
          dref: [],
          esds: [],
          ftyp: [],
          hdlr: [],
          mdat: [],
          mdhd: [],
          mdia: [],
          mfhd: [],
          minf: [],
          moof: [],
          moov: [],
          mp4a: [],
          '.mp3': [],
          mvex: [],
          mvhd: [],
          pasp: [],
          sdtp: [],
          stbl: [],
          stco: [],
          stsc: [],
          stsd: [],
          stsz: [],
          stts: [],
          tfdt: [],
          tfhd: [],
          traf: [],
          trak: [],
          trun: [],
          trex: [],
          tkhd: [],
          vmhd: [],
          smhd: []
        };
  
        var i;
        for (i in MP4.types) {
          if (MP4.types.hasOwnProperty(i)) {
            MP4.types[i] = [i.charCodeAt(0), i.charCodeAt(1), i.charCodeAt(2), i.charCodeAt(3)];
          }
        }
  
        var videoHdlr = 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'
        ]);
  
        var audioHdlr = 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'
        ]);
  
        MP4.HDLR_TYPES = {
          'video': videoHdlr,
          'audio': audioHdlr
        };
  
        var 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
        ]);
  
        var stco = new Uint8Array([0x00, // version
        0x00, 0x00, 0x00, // flags
        0x00, 0x00, 0x00, 0x00 // entry_count
        ]);
  
        MP4.STTS = MP4.STSC = MP4.STCO = stco;
  
        MP4.STSZ = new Uint8Array([0x00, // version
        0x00, 0x00, 0x00, // flags
        0x00, 0x00, 0x00, 0x00, // sample_size
        0x00, 0x00, 0x00, 0x00]);
        MP4.VMHD = new Uint8Array([0x00, // version
        0x00, 0x00, 0x01, // flags
        0x00, 0x00, // graphicsmode
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00 // opcolor
        ]);
        MP4.SMHD = new Uint8Array([0x00, // version
        0x00, 0x00, 0x00, // flags
        0x00, 0x00, // balance
        0x00, 0x00 // reserved
        ]);
  
        MP4.STSD = new Uint8Array([0x00, // version 0
        0x00, 0x00, 0x00, // flags
        0x00, 0x00, 0x00, 0x01]); // entry_count
  
        var majorBrand = new Uint8Array([105, 115, 111, 109]); // isom
        var avc1Brand = new Uint8Array([97, 118, 99, 49]); // avc1
        var minorVersion = new Uint8Array([0, 0, 0, 1]);
  
        MP4.FTYP = MP4.box(MP4.types.ftyp, majorBrand, minorVersion, majorBrand, avc1Brand);
        MP4.DINF = MP4.box(MP4.types.dinf, MP4.box(MP4.types.dref, dref));
      }
    }, {
      key: 'box',
      value: function box(type) {
        var payload = Array.prototype.slice.call(arguments, 1),
            size = 8,
            i = payload.length,
            len = i,
            result;
        // calculate the total size we need to allocate
        while (i--) {
          size += payload[i].byteLength;
        }
        result = new Uint8Array(size);
        result[0] = size >> 24 & 0xff;
        result[1] = size >> 16 & 0xff;
        result[2] = size >> 8 & 0xff;
        result[3] = size & 0xff;
        result.set(type, 4);
        // copy the payload into the result
        for (i = 0, size = 8; i < len; i++) {
          // copy payload[i] array @ offset size
          result.set(payload[i], size);
          size += payload[i].byteLength;
        }
        return result;
      }
    }, {
      key: 'hdlr',
      value: function hdlr(type) {
        return MP4.box(MP4.types.hdlr, MP4.HDLR_TYPES[type]);
      }
    }, {
      key: 'mdat',
      value: function mdat(data) {
        return MP4.box(MP4.types.mdat, data);
      }
    }, {
      key: 'mdhd',
      value: function mdhd(timescale, duration) {
        duration *= timescale;
        var upperWordDuration = Math.floor(duration / (UINT32_MAX + 1));
        var lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));
        return MP4.box(MP4.types.mdhd, new Uint8Array([0x01, // version 1
        0x00, 0x00, 0x00, // flags
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time
        timescale >> 24 & 0xFF, timescale >> 16 & 0xFF, timescale >> 8 & 0xFF, timescale & 0xFF, // timescale
        upperWordDuration >> 24, upperWordDuration >> 16 & 0xFF, upperWordDuration >> 8 & 0xFF, upperWordDuration & 0xFF, lowerWordDuration >> 24, lowerWordDuration >> 16 & 0xFF, lowerWordDuration >> 8 & 0xFF, lowerWordDuration & 0xFF, 0x55, 0xc4, // 'und' language (undetermined)
        0x00, 0x00]));
      }
    }, {
      key: 'mdia',
      value: function mdia(track) {
        return MP4.box(MP4.types.mdia, MP4.mdhd(track.timescale, track.duration), MP4.hdlr(track.type), MP4.minf(track));
      }
    }, {
      key: 'mfhd',
      value: function mfhd(sequenceNumber) {
        return MP4.box(MP4.types.mfhd, new Uint8Array([0x00, 0x00, 0x00, 0x00, // flags
        sequenceNumber >> 24, sequenceNumber >> 16 & 0xFF, sequenceNumber >> 8 & 0xFF, sequenceNumber & 0xFF]));
      }
    }, {
      key: 'minf',
      value: function minf(track) {
        if (track.type === 'audio') {
          return MP4.box(MP4.types.minf, MP4.box(MP4.types.smhd, MP4.SMHD), MP4.DINF, MP4.stbl(track));
        } else {
          return MP4.box(MP4.types.minf, MP4.box(MP4.types.vmhd, MP4.VMHD), MP4.DINF, MP4.stbl(track));
        }
      }
    }, {
      key: 'moof',
      value: function moof(sn, baseMediaDecodeTime, track) {
        return MP4.box(MP4.types.moof, MP4.mfhd(sn), MP4.traf(track, baseMediaDecodeTime));
      }
      /**
       * @param tracks... (optional) {array} the tracks associated with this movie
       */
  
    }, {
      key: 'moov',
      value: function moov(tracks) {
        var i = tracks.length,
            boxes = [];
  
        while (i--) {
          boxes[i] = MP4.trak(tracks[i]);
        }
  
        return MP4.box.apply(null, [MP4.types.moov, MP4.mvhd(tracks[0].timescale, tracks[0].duration)].concat(boxes).concat(MP4.mvex(tracks)));
      }
    }, {
      key: 'mvex',
      value: function mvex(tracks) {
        var i = tracks.length,
            boxes = [];
  
        while (i--) {
          boxes[i] = MP4.trex(tracks[i]);
        }
        return MP4.box.apply(null, [MP4.types.mvex].concat(boxes));
      }
    }, {
      key: 'mvhd',
      value: function mvhd(timescale, duration) {
        duration *= timescale;
        var upperWordDuration = Math.floor(duration / (UINT32_MAX + 1));
        var lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));
        var bytes = new Uint8Array([0x01, // version 1
        0x00, 0x00, 0x00, // flags
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time
        timescale >> 24 & 0xFF, timescale >> 16 & 0xFF, timescale >> 8 & 0xFF, timescale & 0xFF, // timescale
        upperWordDuration >> 24, upperWordDuration >> 16 & 0xFF, upperWordDuration >> 8 & 0xFF, upperWordDuration & 0xFF, lowerWordDuration >> 24, lowerWordDuration >> 16 & 0xFF, lowerWordDuration >> 8 & 0xFF, lowerWordDuration & 0xFF, 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 MP4.box(MP4.types.mvhd, bytes);
      }
    }, {
      key: 'sdtp',
      value: 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 MP4.box(MP4.types.sdtp, bytes);
      }
    }, {
      key: 'stbl',
      value: function stbl(track) {
        return MP4.box(MP4.types.stbl, MP4.stsd(track), MP4.box(MP4.types.stts, MP4.STTS), MP4.box(MP4.types.stsc, MP4.STSC), MP4.box(MP4.types.stsz, MP4.STSZ), MP4.box(MP4.types.stco, MP4.STCO));
      }
    }, {
      key: 'avc1',
      value: function avc1(track) {
        var sps = [],
            pps = [],
            i,
            data,
            len;
        // assemble the SPSs
  
        for (i = 0; i < track.sps.length; i++) {
          data = track.sps[i];
          len = data.byteLength;
          sps.push(len >>> 8 & 0xFF);
          sps.push(len & 0xFF);
          sps = sps.concat(Array.prototype.slice.call(data)); // SPS
        }
  
        // assemble the PPSs
        for (i = 0; i < track.pps.length; i++) {
          data = track.pps[i];
          len = data.byteLength;
          pps.push(len >>> 8 & 0xFF);
          pps.push(len & 0xFF);
          pps = pps.concat(Array.prototype.slice.call(data));
        }
  
        var avcc = MP4.box(MP4.types.avcC, new Uint8Array([0x01, // version
        sps[3], // profile
        sps[4], // profile compat
        sps[5], // level
        0xfc | 3, // lengthSizeMinusOne, hard-coded to 4 bytes
        0xE0 | track.sps.length // 3bit reserved (111) + numOfSequenceParameterSets
        ].concat(sps).concat([track.pps.length // numOfPictureParameterSets
        ]).concat(pps))),
            // "PPS"
        width = track.width,
            height = track.height,
            hSpacing = track.pixelRatio[0],
            vSpacing = track.pixelRatio[1];
        //console.log('avcc:' + Hex.hexDump(avcc));
        return MP4.box(MP4.types.avc1, new Uint8Array([0x00, 0x00, 0x00, // reserved
        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
        width >> 8 & 0xFF, width & 0xff, // width
        height >> 8 & 0xFF, height & 0xff, // height
        0x00, 0x48, 0x00, 0x00, // horizresolution
        0x00, 0x48, 0x00, 0x00, // vertresolution
        0x00, 0x00, 0x00, 0x00, // reserved
        0x00, 0x01, // frame_count
        0x12, 0x64, 0x61, 0x69, 0x6C, //dailymotion/hls.js
        0x79, 0x6D, 0x6F, 0x74, 0x69, 0x6F, 0x6E, 0x2F, 0x68, 0x6C, 0x73, 0x2E, 0x6A, 0x73, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // compressorname
        0x00, 0x18, // depth = 24
        0x11, 0x11]), // pre_defined = -1
        avcc, MP4.box(MP4.types.btrt, new Uint8Array([0x00, 0x1c, 0x9c, 0x80, // bufferSizeDB
        0x00, 0x2d, 0xc6, 0xc0, // maxBitrate
        0x00, 0x2d, 0xc6, 0xc0])), // avgBitrate
        MP4.box(MP4.types.pasp, new Uint8Array([hSpacing >> 24, // hSpacing
        hSpacing >> 16 & 0xFF, hSpacing >> 8 & 0xFF, hSpacing & 0xFF, vSpacing >> 24, // vSpacing
        vSpacing >> 16 & 0xFF, vSpacing >> 8 & 0xFF, vSpacing & 0xFF])));
      }
    }, {
      key: 'esds',
      value: function esds(track) {
        var configlen = track.config.length;
        return new Uint8Array([0x00, // version 0
        0x00, 0x00, 0x00, // flags
  
        0x03, // descriptor_type
        0x17 + configlen, // length
        0x00, 0x01, //es_id
        0x00, // stream_priority
  
        0x04, // descriptor_type
        0x0f + configlen, // length
        0x40, //codec : mpeg4_audio
        0x15, // stream_type
        0x00, 0x00, 0x00, // buffer_size
        0x00, 0x00, 0x00, 0x00, // maxBitrate
        0x00, 0x00, 0x00, 0x00, // avgBitrate
  
        0x05 // descriptor_type
        ].concat([configlen]).concat(track.config).concat([0x06, 0x01, 0x02])); // GASpecificConfig)); // length + audio config descriptor
      }
    }, {
      key: 'mp4a',
      value: function mp4a(track) {
        var samplerate = track.samplerate;
        return MP4.box(MP4.types.mp4a, new Uint8Array([0x00, 0x00, 0x00, // reserved
        0x00, 0x00, 0x00, // reserved
        0x00, 0x01, // data_reference_index
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved
        0x00, track.channelCount, // channelcount
        0x00, 0x10, // sampleSize:16bits
        0x00, 0x00, 0x00, 0x00, // reserved2
        samplerate >> 8 & 0xFF, samplerate & 0xff, //
        0x00, 0x00]), MP4.box(MP4.types.esds, MP4.esds(track)));
      }
    }, {
      key: 'mp3',
      value: function mp3(track) {
        var samplerate = track.samplerate;
        return MP4.box(MP4.types['.mp3'], new Uint8Array([0x00, 0x00, 0x00, // reserved
        0x00, 0x00, 0x00, // reserved
        0x00, 0x01, // data_reference_index
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved
        0x00, track.channelCount, // channelcount
        0x00, 0x10, // sampleSize:16bits
        0x00, 0x00, 0x00, 0x00, // reserved2
        samplerate >> 8 & 0xFF, samplerate & 0xff, //
        0x00, 0x00]));
      }
    }, {
      key: 'stsd',
      value: function stsd(track) {
        if (track.type === 'audio') {
          if (!track.isAAC && track.codec === 'mp3') {
            return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp3(track));
          }
          return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp4a(track));
        } else {
          return MP4.box(MP4.types.stsd, MP4.STSD, MP4.avc1(track));
        }
      }
    }, {
      key: 'tkhd',
      value: function tkhd(track) {
        var id = track.id,
            duration = track.duration * track.timescale,
            width = track.width,
            height = track.height,
            upperWordDuration = Math.floor(duration / (UINT32_MAX + 1)),
            lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));
        return MP4.box(MP4.types.tkhd, new Uint8Array([0x01, // version 1
        0x00, 0x00, 0x07, // flags
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time
        id >> 24 & 0xFF, id >> 16 & 0xFF, id >> 8 & 0xFF, id & 0xFF, // track_ID
        0x00, 0x00, 0x00, 0x00, // reserved
        upperWordDuration >> 24, upperWordDuration >> 16 & 0xFF, upperWordDuration >> 8 & 0xFF, upperWordDuration & 0xFF, lowerWordDuration >> 24, lowerWordDuration >> 16 & 0xFF, lowerWordDuration >> 8 & 0xFF, lowerWordDuration & 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved
        0x00, 0x00, // layer
        0x00, 0x00, // alternate_group
        0x00, 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
        width >> 8 & 0xFF, width & 0xFF, 0x00, 0x00, // width
        height >> 8 & 0xFF, height & 0xFF, 0x00, 0x00 // height
        ]));
      }
    }, {
      key: 'traf',
      value: function traf(track, baseMediaDecodeTime) {
        var sampleDependencyTable = MP4.sdtp(track),
            id = track.id,
            upperWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime / (UINT32_MAX + 1)),
            lowerWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime % (UINT32_MAX + 1));
        return MP4.box(MP4.types.traf, MP4.box(MP4.types.tfhd, new Uint8Array([0x00, // version 0
        0x00, 0x00, 0x00, // flags
        id >> 24, id >> 16 & 0XFF, id >> 8 & 0XFF, id & 0xFF])), MP4.box(MP4.types.tfdt, new Uint8Array([0x01, // version 1
        0x00, 0x00, 0x00, // flags
        upperWordBaseMediaDecodeTime >> 24, upperWordBaseMediaDecodeTime >> 16 & 0XFF, upperWordBaseMediaDecodeTime >> 8 & 0XFF, upperWordBaseMediaDecodeTime & 0xFF, lowerWordBaseMediaDecodeTime >> 24, lowerWordBaseMediaDecodeTime >> 16 & 0XFF, lowerWordBaseMediaDecodeTime >> 8 & 0XFF, lowerWordBaseMediaDecodeTime & 0xFF])), MP4.trun(track, sampleDependencyTable.length + 16 + // tfhd
        20 + // tfdt
        8 + // traf header
        16 + // mfhd
        8 + // moof header
        8), // mdat header
        sampleDependencyTable);
      }
  
      /**
       * Generate a track box.
       * @param track {object} a track definition
       * @return {Uint8Array} the track box
       */
  
    }, {
      key: 'trak',
      value: function trak(track) {
        track.duration = track.duration || 0xffffffff;
        return MP4.box(MP4.types.trak, MP4.tkhd(track), MP4.mdia(track));
      }
    }, {
      key: 'trex',
      value: function trex(track) {
        var id = track.id;
        return MP4.box(MP4.types.trex, new Uint8Array([0x00, // version 0
        0x00, 0x00, 0x00, // flags
        id >> 24, id >> 16 & 0XFF, id >> 8 & 0XFF, 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
        ]));
      }
    }, {
      key: 'trun',
      value: function trun(track, offset) {
        var samples = track.samples || [],
            len = samples.length,
            arraylen = 12 + 16 * len,
            array = new Uint8Array(arraylen),
            i,
            sample,
            duration,
            size,
            flags,
            cts;
        offset += 8 + arraylen;
        array.set([0x00, // version 0
        0x00, 0x0f, 0x01, // flags
        len >>> 24 & 0xFF, len >>> 16 & 0xFF, len >>> 8 & 0xFF, len & 0xFF, // sample_count
        offset >>> 24 & 0xFF, offset >>> 16 & 0xFF, offset >>> 8 & 0xFF, offset & 0xFF // data_offset
        ], 0);
        for (i = 0; i < len; i++) {
          sample = samples[i];
          duration = sample.duration;
          size = sample.size;
          flags = sample.flags;
          cts = sample.cts;
          array.set([duration >>> 24 & 0xFF, duration >>> 16 & 0xFF, duration >>> 8 & 0xFF, duration & 0xFF, // sample_duration
          size >>> 24 & 0xFF, size >>> 16 & 0xFF, size >>> 8 & 0xFF, size & 0xFF, // sample_size
          flags.isLeading << 2 | flags.dependsOn, flags.isDependedOn << 6 | flags.hasRedundancy << 4 | flags.paddingValue << 1 | flags.isNonSync, flags.degradPrio & 0xF0 << 8, flags.degradPrio & 0x0F, // sample_flags
          cts >>> 24 & 0xFF, cts >>> 16 & 0xFF, cts >>> 8 & 0xFF, cts & 0xFF // sample_composition_time_offset
          ], 12 + 16 * i);
        }
        return MP4.box(MP4.types.trun, array);
      }
    }, {
      key: 'initSegment',
      value: function initSegment(tracks) {
        if (!MP4.types) {
          MP4.init();
        }
        var movie = MP4.moov(tracks),
            result;
        result = new Uint8Array(MP4.FTYP.byteLength + movie.byteLength);
        result.set(MP4.FTYP);
        result.set(movie, MP4.FTYP.byteLength);
        return result;
      }
    }]);
  
    return MP4;
  }();
  
  exports.default = MP4;
  
  },{}],45:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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; }; }(); /**
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       * fMP4 remuxer
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       */
  
  var _aac = _dereq_(36);
  
  var _aac2 = _interopRequireDefault(_aac);
  
  var _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  var _logger = _dereq_(53);
  
  var _mp4Generator = _dereq_(44);
  
  var _mp4Generator2 = _interopRequireDefault(_mp4Generator);
  
  var _errors = _dereq_(33);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  // 10 seconds
  var MAX_SILENT_FRAME_DURATION = 10 * 1000;
  
  var MP4Remuxer = function () {
    function MP4Remuxer(observer, config, typeSupported, vendor) {
      _classCallCheck(this, MP4Remuxer);
  
      this.observer = observer;
      this.config = config;
      this.typeSupported = typeSupported;
      var userAgent = navigator.userAgent;
      this.isSafari = vendor && vendor.indexOf('Apple') > -1 && userAgent && !userAgent.match('CriOS');
      this.ISGenerated = false;
    }
  
    _createClass(MP4Remuxer, [{
      key: 'destroy',
      value: function destroy() {}
    }, {
      key: 'resetTimeStamp',
      value: function resetTimeStamp(defaultTimeStamp) {
        this._initPTS = this._initDTS = defaultTimeStamp;
      }
    }, {
      key: 'resetInitSegment',
      value: function resetInitSegment() {
        this.ISGenerated = false;
      }
    }, {
      key: 'remux',
      value: function remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {
        // generate Init Segment if needed
        if (!this.ISGenerated) {
          this.generateIS(audioTrack, videoTrack, timeOffset);
        }
  
        if (this.ISGenerated) {
          // Purposefully remuxing audio before video, so that remuxVideo can use nextAudioPts, which is
          // calculated in remuxAudio.
          //logger.log('nb AAC samples:' + audioTrack.samples.length);
          if (audioTrack.samples.length) {
            // if initSegment was generated without video samples, regenerate it again
            if (!audioTrack.timescale) {
              _logger.logger.warn('regenerate InitSegment as audio detected');
              this.generateIS(audioTrack, videoTrack, timeOffset);
            }
            var audioData = this.remuxAudio(audioTrack, timeOffset, contiguous, accurateTimeOffset);
            //logger.log('nb AVC samples:' + videoTrack.samples.length);
            if (videoTrack.samples.length) {
              var audioTrackLength = void 0;
              if (audioData) {
                audioTrackLength = audioData.endPTS - audioData.startPTS;
              }
              // if initSegment was generated without video samples, regenerate it again
              if (!videoTrack.timescale) {
                _logger.logger.warn('regenerate InitSegment as video detected');
                this.generateIS(audioTrack, videoTrack, timeOffset);
              }
              this.remuxVideo(videoTrack, timeOffset, contiguous, audioTrackLength, accurateTimeOffset);
            }
          } else {
            var videoData = void 0;
            //logger.log('nb AVC samples:' + videoTrack.samples.length);
            if (videoTrack.samples.length) {
              videoData = this.remuxVideo(videoTrack, timeOffset, contiguous, accurateTimeOffset);
            }
            if (videoData && audioTrack.codec) {
              this.remuxEmptyAudio(audioTrack, timeOffset, contiguous, videoData);
            }
          }
        }
        //logger.log('nb ID3 samples:' + audioTrack.samples.length);
        if (id3Track.samples.length) {
          this.remuxID3(id3Track, timeOffset);
        }
        //logger.log('nb ID3 samples:' + audioTrack.samples.length);
        if (textTrack.samples.length) {
          this.remuxText(textTrack, timeOffset);
        }
        //notify end of parsing
        this.observer.trigger(_events2.default.FRAG_PARSED);
      }
    }, {
      key: 'generateIS',
      value: function generateIS(audioTrack, videoTrack, timeOffset) {
        var observer = this.observer,
            audioSamples = audioTrack.samples,
            videoSamples = videoTrack.samples,
            typeSupported = this.typeSupported,
            container = 'audio/mp4',
            tracks = {},
            data = { tracks: tracks },
            computePTSDTS = this._initPTS === undefined,
            initPTS,
            initDTS;
  
        if (computePTSDTS) {
          initPTS = initDTS = Infinity;
        }
        if (audioTrack.config && audioSamples.length) {
          // let's use audio sampling rate as MP4 time scale.
          // rationale is that there is a integer nb of audio frames per audio sample (1024 for AAC)
          // using audio sampling rate here helps having an integer MP4 frame duration
          // this avoids potential rounding issue and AV sync issue
          audioTrack.timescale = audioTrack.samplerate;
          _logger.logger.log('audio sampling rate : ' + audioTrack.samplerate);
          if (!audioTrack.isAAC) {
            if (typeSupported.mpeg) {
              // Chrome and Safari
              container = 'audio/mpeg';
              audioTrack.codec = '';
            } else if (typeSupported.mp3) {
              // Firefox
              audioTrack.codec = 'mp3';
            }
          }
          tracks.audio = {
            container: container,
            codec: audioTrack.codec,
            initSegment: !audioTrack.isAAC && typeSupported.mpeg ? new Uint8Array() : _mp4Generator2.default.initSegment([audioTrack]),
            metadata: {
              channelCount: audioTrack.channelCount
            }
          };
          if (computePTSDTS) {
            // remember first PTS of this demuxing context. for audio, PTS = DTS
            initPTS = initDTS = audioSamples[0].pts - audioTrack.inputTimeScale * timeOffset;
          }
        }
  
        if (videoTrack.sps && videoTrack.pps && videoSamples.length) {
          // let's use input time scale as MP4 video timescale
          // we use input time scale straight away to avoid rounding issues on frame duration / cts computation
          var inputTimeScale = videoTrack.inputTimeScale;
          videoTrack.timescale = inputTimeScale;
          tracks.video = {
            container: 'video/mp4',
            codec: videoTrack.codec,
            initSegment: _mp4Generator2.default.initSegment([videoTrack]),
            metadata: {
              width: videoTrack.width,
              height: videoTrack.height
            }
          };
          if (computePTSDTS) {
            initPTS = Math.min(initPTS, videoSamples[0].pts - inputTimeScale * timeOffset);
            initDTS = Math.min(initDTS, videoSamples[0].dts - inputTimeScale * timeOffset);
            this.observer.trigger(_events2.default.INIT_PTS_FOUND, { initPTS: initPTS });
          }
        }
  
        if (Object.keys(tracks).length) {
          observer.trigger(_events2.default.FRAG_PARSING_INIT_SEGMENT, data);
          this.ISGenerated = true;
          if (computePTSDTS) {
            this._initPTS = initPTS;
            this._initDTS = initDTS;
          }
        } else {
          observer.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.FRAG_PARSING_ERROR, fatal: false, reason: 'no audio/video samples found' });
        }
      }
    }, {
      key: 'remuxVideo',
      value: function remuxVideo(track, timeOffset, contiguous, audioTrackLength, accurateTimeOffset) {
        var offset = 8,
            timeScale = track.timescale,
            mp4SampleDuration,
            mdat,
            moof,
            firstPTS,
            firstDTS,
            nextDTS,
            lastPTS,
            lastDTS,
            inputSamples = track.samples,
            outputSamples = [],
            nbSamples = inputSamples.length,
            ptsNormalize = this._PTSNormalize,
            initDTS = this._initDTS;
  
        // for (let i = 0; i < track.samples.length; i++) {
        //   let avcSample = track.samples[i];
        //   let units = avcSample.units;
        //   let unitsString = '';
        //   for (let j = 0; j < units.length ; j++) {
        //     unitsString += units[j].type + ',';
        //     if (units[j].data.length < 500) {
        //       unitsString += Hex.hexDump(units[j].data);
        //     }
        //   }
        //   logger.log(avcSample.pts + '/' + avcSample.dts + ',' + unitsString + avcSample.units.length);
        // }
  
        // if parsed fragment is contiguous with last one, let's use last DTS value as reference
        var nextAvcDts = this.nextAvcDts;
  
        var isSafari = this.isSafari;
  
        // Safari does not like overlapping DTS on consecutive fragments. let's use nextAvcDts to overcome this if fragments are consecutive
        if (isSafari) {
          // also consider consecutive fragments as being contiguous (even if a level switch occurs),
          // for sake of clarity:
          // consecutive fragments are frags with
          //  - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR
          //  - less than 200 ms PTS gaps (timeScale/5)
          contiguous |= inputSamples.length && nextAvcDts && (accurateTimeOffset && Math.abs(timeOffset - nextAvcDts / timeScale) < 0.1 || Math.abs(inputSamples[0].pts - nextAvcDts - initDTS) < timeScale / 5);
        }
  
        if (!contiguous) {
          // if not contiguous, let's use target timeOffset
          nextAvcDts = timeOffset * timeScale;
        }
  
        // PTS is coded on 33bits, and can loop from -2^32 to 2^32
        // ptsNormalize will make PTS/DTS value monotonic, we use last known DTS value as reference value
        inputSamples.forEach(function (sample) {
          sample.pts = ptsNormalize(sample.pts - initDTS, nextAvcDts);
          sample.dts = ptsNormalize(sample.dts - initDTS, nextAvcDts);
        });
  
        // sort video samples by DTS then PTS then demux id order
        inputSamples.sort(function (a, b) {
          var deltadts = a.dts - b.dts;
          var deltapts = a.pts - b.pts;
          return deltadts ? deltadts : deltapts ? deltapts : a.id - b.id;
        });
  
        // handle broken streams with PTS < DTS, tolerance up 200ms (18000 in 90kHz timescale)
        var PTSDTSshift = inputSamples.reduce(function (prev, curr) {
          return Math.max(Math.min(prev, curr.pts - curr.dts), -18000);
        }, 0);
        if (PTSDTSshift < 0) {
          _logger.logger.warn('PTS < DTS detected in video samples, shifting DTS by ' + Math.round(PTSDTSshift / 90) + ' ms to overcome this issue');
          for (var i = 0; i < inputSamples.length; i++) {
            inputSamples[i].dts += PTSDTSshift;
          }
        }
  
        // compute first DTS and last DTS, normalize them against reference value
        var sample = inputSamples[0];
        firstDTS = Math.max(sample.dts, 0);
        firstPTS = Math.max(sample.pts, 0);
  
        // check timestamp continuity accross consecutive fragments (this is to remove inter-fragment gap/hole)
        var delta = Math.round((firstDTS - nextAvcDts) / 90);
        // if fragment are contiguous, detect hole/overlapping between fragments
        if (contiguous) {
          if (delta) {
            if (delta > 1) {
              _logger.logger.log('AVC:' + delta + ' ms hole between fragments detected,filling it');
            } else if (delta < -1) {
              _logger.logger.log('AVC:' + -delta + ' ms overlapping between fragments detected');
            }
            // remove hole/gap : set DTS to next expected DTS
            firstDTS = nextAvcDts;
            inputSamples[0].dts = firstDTS;
            // offset PTS as well, ensure that PTS is smaller or equal than new DTS
            firstPTS = Math.max(firstPTS - delta, nextAvcDts);
            inputSamples[0].pts = firstPTS;
            _logger.logger.log('Video/PTS/DTS adjusted: ' + Math.round(firstPTS / 90) + '/' + Math.round(firstDTS / 90) + ',delta:' + delta + ' ms');
          }
        }
        nextDTS = firstDTS;
  
        // compute lastPTS/lastDTS
        sample = inputSamples[inputSamples.length - 1];
        lastDTS = Math.max(sample.dts, 0);
        lastPTS = Math.max(sample.pts, 0, lastDTS);
  
        // on Safari let's signal the same sample duration for all samples
        // sample duration (as expected by trun MP4 boxes), should be the delta between sample DTS
        // set this constant duration as being the avg delta between consecutive DTS.
        if (isSafari) {
          mp4SampleDuration = Math.round((lastDTS - firstDTS) / (inputSamples.length - 1));
        }
  
        var nbNalu = 0,
            naluLen = 0;
        for (var _i = 0; _i < nbSamples; _i++) {
          // compute total/avc sample length and nb of NAL units
          var _sample = inputSamples[_i],
              units = _sample.units,
              nbUnits = units.length,
              sampleLen = 0;
          for (var j = 0; j < nbUnits; j++) {
            sampleLen += units[j].data.length;
          }
          naluLen += sampleLen;
          nbNalu += nbUnits;
          _sample.length = sampleLen;
  
          // normalize PTS/DTS
          if (isSafari) {
            // sample DTS is computed using a constant decoding offset (mp4SampleDuration) between samples
            _sample.dts = firstDTS + _i * mp4SampleDuration;
          } else {
            // ensure sample monotonic DTS
            _sample.dts = Math.max(_sample.dts, firstDTS);
          }
          // ensure that computed value is greater or equal than sample DTS
          _sample.pts = Math.max(_sample.pts, _sample.dts);
        }
  
        /* concatenate the video data and construct the mdat in place
          (need 8 more bytes to fill length and mpdat type) */
        var mdatSize = naluLen + 4 * nbNalu + 8;
        try {
          mdat = new Uint8Array(mdatSize);
        } catch (err) {
          this.observer.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MUX_ERROR, details: _errors.ErrorDetails.REMUX_ALLOC_ERROR, fatal: false, bytes: mdatSize, reason: 'fail allocating video mdat ' + mdatSize });
          return;
        }
        var view = new DataView(mdat.buffer);
        view.setUint32(0, mdatSize);
        mdat.set(_mp4Generator2.default.types.mdat, 4);
  
        for (var _i2 = 0; _i2 < nbSamples; _i2++) {
          var avcSample = inputSamples[_i2],
              avcSampleUnits = avcSample.units,
              mp4SampleLength = 0,
              compositionTimeOffset = void 0;
          // convert NALU bitstream to MP4 format (prepend NALU with size field)
          for (var _j = 0, _nbUnits = avcSampleUnits.length; _j < _nbUnits; _j++) {
            var unit = avcSampleUnits[_j],
                unitData = unit.data,
                unitDataLen = unit.data.byteLength;
            view.setUint32(offset, unitDataLen);
            offset += 4;
            mdat.set(unitData, offset);
            offset += unitDataLen;
            mp4SampleLength += 4 + unitDataLen;
          }
  
          if (!isSafari) {
            // expected sample duration is the Decoding Timestamp diff of consecutive samples
            if (_i2 < nbSamples - 1) {
              mp4SampleDuration = inputSamples[_i2 + 1].dts - avcSample.dts;
            } else {
              var config = this.config,
                  lastFrameDuration = avcSample.dts - inputSamples[_i2 > 0 ? _i2 - 1 : _i2].dts;
              if (config.stretchShortVideoTrack) {
                // In some cases, a segment's audio track duration may exceed the video track duration.
                // Since we've already remuxed audio, and we know how long the audio track is, we look to
                // see if the delta to the next segment is longer than the minimum of maxBufferHole and
                // maxSeekHole. If so, playback would potentially get stuck, so we artificially inflate
                // the duration of the last frame to minimize any potential gap between segments.
                var maxBufferHole = config.maxBufferHole,
                    maxSeekHole = config.maxSeekHole,
                    gapTolerance = Math.floor(Math.min(maxBufferHole, maxSeekHole) * timeScale),
                    deltaToFrameEnd = (audioTrackLength ? firstPTS + audioTrackLength * timeScale : this.nextAudioPts) - avcSample.pts;
                if (deltaToFrameEnd > gapTolerance) {
                  // We subtract lastFrameDuration from deltaToFrameEnd to try to prevent any video
                  // frame overlap. maxBufferHole/maxSeekHole should be >> lastFrameDuration anyway.
                  mp4SampleDuration = deltaToFrameEnd - lastFrameDuration;
                  if (mp4SampleDuration < 0) {
                    mp4SampleDuration = lastFrameDuration;
                  }
                  _logger.logger.log('It is approximately ' + deltaToFrameEnd / 90 + ' ms to the next segment; using duration ' + mp4SampleDuration / 90 + ' ms for the last video frame.');
                } else {
                  mp4SampleDuration = lastFrameDuration;
                }
              } else {
                mp4SampleDuration = lastFrameDuration;
              }
            }
            compositionTimeOffset = Math.round(avcSample.pts - avcSample.dts);
          } else {
            compositionTimeOffset = Math.max(0, mp4SampleDuration * Math.round((avcSample.pts - avcSample.dts) / mp4SampleDuration));
          }
  
          //console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${avcSample.pts}/${avcSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(avcSample.pts/4294967296).toFixed(3)}');
          outputSamples.push({
            size: mp4SampleLength,
            // constant duration
            duration: mp4SampleDuration,
            cts: compositionTimeOffset,
            flags: {
              isLeading: 0,
              isDependedOn: 0,
              hasRedundancy: 0,
              degradPrio: 0,
              dependsOn: avcSample.key ? 2 : 1,
              isNonSync: avcSample.key ? 0 : 1
            }
          });
        }
        // next AVC sample DTS should be equal to last sample DTS + last sample duration (in PES timescale)
        this.nextAvcDts = lastDTS + mp4SampleDuration;
        var dropped = track.dropped;
        track.len = 0;
        track.nbNalu = 0;
        track.dropped = 0;
        if (outputSamples.length && navigator.userAgent.toLowerCase().indexOf('chrome') > -1) {
          var flags = outputSamples[0].flags;
          // chrome workaround, mark first sample as being a Random Access Point to avoid sourcebuffer append issue
          // https://code.google.com/p/chromium/issues/detail?id=229412
          flags.dependsOn = 2;
          flags.isNonSync = 0;
        }
        track.samples = outputSamples;
        moof = _mp4Generator2.default.moof(track.sequenceNumber++, firstDTS, track);
        track.samples = [];
  
        var data = {
          data1: moof,
          data2: mdat,
          startPTS: firstPTS / timeScale,
          endPTS: (lastPTS + mp4SampleDuration) / timeScale,
          startDTS: firstDTS / timeScale,
          endDTS: this.nextAvcDts / timeScale,
          type: 'video',
          nb: outputSamples.length,
          dropped: dropped
        };
        this.observer.trigger(_events2.default.FRAG_PARSING_DATA, data);
        return data;
      }
    }, {
      key: 'remuxAudio',
      value: function remuxAudio(track, timeOffset, contiguous, accurateTimeOffset) {
        var inputTimeScale = track.inputTimeScale,
            mp4timeScale = track.timescale,
            scaleFactor = inputTimeScale / mp4timeScale,
            mp4SampleDuration = track.isAAC ? 1024 : 1152,
            inputSampleDuration = mp4SampleDuration * scaleFactor,
            ptsNormalize = this._PTSNormalize,
            initDTS = this._initDTS,
            rawMPEG = !track.isAAC && this.typeSupported.mpeg;
  
        var offset,
            mp4Sample,
            fillFrame,
            mdat,
            moof,
            firstPTS,
            lastPTS,
            inputSamples = track.samples,
            outputSamples = [],
            nextAudioPts = this.nextAudioPts;
  
        // for audio samples, also consider consecutive fragments as being contiguous (even if a level switch occurs),
        // for sake of clarity:
        // consecutive fragments are frags with
        //  - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR
        //  - less than 20 audio frames distance
        // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1)
        // this helps ensuring audio continuity
        // and this also avoids audio glitches/cut when switching quality, or reporting wrong duration on first audio frame
        contiguous |= inputSamples.length && nextAudioPts && (accurateTimeOffset && Math.abs(timeOffset - nextAudioPts / inputTimeScale) < 0.1 || Math.abs(inputSamples[0].pts - nextAudioPts - initDTS) < 20 * inputSampleDuration);
  
        if (!contiguous) {
          // if fragments are not contiguous, let's use timeOffset to compute next Audio PTS
          nextAudioPts = timeOffset * inputTimeScale;
        }
  
        // compute normalized PTS
        inputSamples.forEach(function (sample) {
          sample.pts = sample.dts = ptsNormalize(sample.pts - initDTS, nextAudioPts);
        });
  
        // sort based on normalized PTS (this is to avoid sorting issues in case timestamp
        // reloop in the middle of our samples array)
        inputSamples.sort(function (a, b) {
          return a.pts - b.pts;
        });
  
        // If the audio track is missing samples, the frames seem to get "left-shifted" within the
        // resulting mp4 segment, causing sync issues and leaving gaps at the end of the audio segment.
        // In an effort to prevent this from happening, we inject frames here where there are gaps.
        // When possible, we inject a silent frame; when that's not possible, we duplicate the last
        // frame.
  
        // only inject/drop audio frames in case time offset is accurate
        if (accurateTimeOffset && track.isAAC) {
          for (var i = 0, nextPts = nextAudioPts; i < inputSamples.length;) {
            // First, let's see how far off this frame is from where we expect it to be
            var sample = inputSamples[i],
                delta;
            var pts = sample.pts;
            delta = pts - nextPts;
  
            var duration = Math.abs(1000 * delta / inputTimeScale);
  
            // If we're overlapping by more than a duration, drop this sample
            if (delta <= -inputSampleDuration) {
              _logger.logger.warn('Dropping 1 audio frame @ ' + (nextPts / inputTimeScale).toFixed(3) + 's due to ' + duration + ' ms overlap.');
              inputSamples.splice(i, 1);
              track.len -= sample.unit.length;
              // Don't touch nextPtsNorm or i
            }
  
            // Insert missing frames if:
            // 1: We're more than one frame away
            // 2: Not more than MAX_SILENT_FRAME_DURATION away
            // 3: currentTime (aka nextPtsNorm) is not 0
            else if (delta >= inputSampleDuration && duration < MAX_SILENT_FRAME_DURATION && nextPts) {
                var missing = Math.round(delta / inputSampleDuration);
                _logger.logger.warn('Injecting ' + missing + ' audio frame @ ' + (nextPts / inputTimeScale).toFixed(3) + 's due to ' + Math.round(1000 * delta / inputTimeScale) + ' ms gap.');
                for (var j = 0; j < missing; j++) {
                  var newStamp = Math.max(nextPts, 0);
                  fillFrame = _aac2.default.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);
                  if (!fillFrame) {
                    _logger.logger.log('Unable to get silent frame for given audio codec; duplicating last frame instead.');
                    fillFrame = sample.unit.subarray();
                  }
                  inputSamples.splice(i, 0, { unit: fillFrame, pts: newStamp, dts: newStamp });
                  track.len += fillFrame.length;
                  nextPts += inputSampleDuration;
                  i++;
                }
  
                // Adjust sample to next expected pts
                sample.pts = sample.dts = nextPts;
                nextPts += inputSampleDuration;
                i++;
              } else {
                // Otherwise, just adjust pts
                if (Math.abs(delta) > 0.1 * inputSampleDuration) {
                  //logger.log(`Invalid frame delta ${Math.round(delta + inputSampleDuration)} at PTS ${Math.round(pts / 90)} (should be ${Math.round(inputSampleDuration)}).`);
                }
                sample.pts = sample.dts = nextPts;
                nextPts += inputSampleDuration;
                i++;
              }
          }
        }
  
        for (var _j2 = 0, _nbSamples = inputSamples.length; _j2 < _nbSamples; _j2++) {
          var audioSample = inputSamples[_j2];
          var unit = audioSample.unit;
          var _pts = audioSample.pts;
          //logger.log(`Audio/PTS:${Math.round(pts/90)}`);
          // if not first sample
          if (lastPTS !== undefined) {
            mp4Sample.duration = Math.round((_pts - lastPTS) / scaleFactor);
          } else {
            var _delta = Math.round(1000 * (_pts - nextAudioPts) / inputTimeScale),
                numMissingFrames = 0;
            // if fragment are contiguous, detect hole/overlapping between fragments
            // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1)
            if (contiguous && track.isAAC) {
              // log delta
              if (_delta) {
                if (_delta > 0 && _delta < MAX_SILENT_FRAME_DURATION) {
                  numMissingFrames = Math.round((_pts - nextAudioPts) / inputSampleDuration);
                  _logger.logger.log(_delta + ' ms hole between AAC samples detected,filling it');
                  if (numMissingFrames > 0) {
                    fillFrame = _aac2.default.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);
                    if (!fillFrame) {
                      fillFrame = unit.subarray();
                    }
                    track.len += numMissingFrames * fillFrame.length;
                  }
                  // if we have frame overlap, overlapping for more than half a frame duraion
                } else if (_delta < -12) {
                  // drop overlapping audio frames... browser will deal with it
                  _logger.logger.log('drop overlapping AAC sample, expected/parsed/delta:' + (nextAudioPts / inputTimeScale).toFixed(3) + 's/' + (_pts / inputTimeScale).toFixed(3) + 's/' + -_delta + 'ms');
                  track.len -= unit.byteLength;
                  continue;
                }
                // set PTS/DTS to expected PTS/DTS
                _pts = nextAudioPts;
              }
            }
            // remember first PTS of our audioSamples, ensure value is positive
            firstPTS = Math.max(0, _pts);
            if (track.len > 0) {
              /* concatenate the audio data and construct the mdat in place
                (need 8 more bytes to fill length and mdat type) */
              var mdatSize = rawMPEG ? track.len : track.len + 8;
              offset = rawMPEG ? 0 : 8;
              try {
                mdat = new Uint8Array(mdatSize);
              } catch (err) {
                this.observer.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MUX_ERROR, details: _errors.ErrorDetails.REMUX_ALLOC_ERROR, fatal: false, bytes: mdatSize, reason: 'fail allocating audio mdat ' + mdatSize });
                return;
              }
              if (!rawMPEG) {
                var view = new DataView(mdat.buffer);
                view.setUint32(0, mdatSize);
                mdat.set(_mp4Generator2.default.types.mdat, 4);
              }
            } else {
              // no audio samples
              return;
            }
            for (var _i3 = 0; _i3 < numMissingFrames; _i3++) {
              fillFrame = _aac2.default.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);
              if (!fillFrame) {
                _logger.logger.log('Unable to get silent frame for given audio codec; duplicating this frame instead.');
                fillFrame = unit.subarray();
              }
              mdat.set(fillFrame, offset);
              offset += fillFrame.byteLength;
              mp4Sample = {
                size: fillFrame.byteLength,
                cts: 0,
                duration: 1024,
                flags: {
                  isLeading: 0,
                  isDependedOn: 0,
                  hasRedundancy: 0,
                  degradPrio: 0,
                  dependsOn: 1
                }
              };
              outputSamples.push(mp4Sample);
            }
          }
          mdat.set(unit, offset);
          var unitLen = unit.byteLength;
          offset += unitLen;
          //console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${audioSample.pts}/${audioSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(audioSample.pts/4294967296).toFixed(3)}');
          mp4Sample = {
            size: unitLen,
            cts: 0,
            duration: 0,
            flags: {
              isLeading: 0,
              isDependedOn: 0,
              hasRedundancy: 0,
              degradPrio: 0,
              dependsOn: 1
            }
          };
          outputSamples.push(mp4Sample);
          lastPTS = _pts;
        }
        var lastSampleDuration = 0;
        var nbSamples = outputSamples.length;
        //set last sample duration as being identical to previous sample
        if (nbSamples >= 2) {
          lastSampleDuration = outputSamples[nbSamples - 2].duration;
          mp4Sample.duration = lastSampleDuration;
        }
        if (nbSamples) {
          // next audio sample PTS should be equal to last sample PTS + duration
          this.nextAudioPts = nextAudioPts = lastPTS + scaleFactor * lastSampleDuration;
          //logger.log('Audio/PTS/PTSend:' + audioSample.pts.toFixed(0) + '/' + this.nextAacDts.toFixed(0));
          track.len = 0;
          track.samples = outputSamples;
          if (rawMPEG) {
            moof = new Uint8Array();
          } else {
            moof = _mp4Generator2.default.moof(track.sequenceNumber++, firstPTS / scaleFactor, track);
          }
          track.samples = [];
          var start = firstPTS / inputTimeScale;
          var end = nextAudioPts / inputTimeScale;
          var audioData = {
            data1: moof,
            data2: mdat,
            startPTS: start,
            endPTS: end,
            startDTS: start,
            endDTS: end,
            type: 'audio',
            nb: nbSamples
          };
          this.observer.trigger(_events2.default.FRAG_PARSING_DATA, audioData);
          return audioData;
        }
        return null;
      }
    }, {
      key: 'remuxEmptyAudio',
      value: function remuxEmptyAudio(track, timeOffset, contiguous, videoData) {
        var inputTimeScale = track.inputTimeScale,
            mp4timeScale = track.samplerate ? track.samplerate : inputTimeScale,
            scaleFactor = inputTimeScale / mp4timeScale,
            nextAudioPts = this.nextAudioPts,
  
  
        // sync with video's timestamp
        startDTS = (nextAudioPts !== undefined ? nextAudioPts : videoData.startDTS * inputTimeScale) + this._initDTS,
            endDTS = videoData.endDTS * inputTimeScale + this._initDTS,
  
        // one sample's duration value
        sampleDuration = 1024,
            frameDuration = scaleFactor * sampleDuration,
  
  
        // samples count of this segment's duration
        nbSamples = Math.ceil((endDTS - startDTS) / frameDuration),
  
  
        // silent frame
        silentFrame = _aac2.default.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);
  
        _logger.logger.warn('remux empty Audio');
        // Can't remux if we can't generate a silent frame...
        if (!silentFrame) {
          _logger.logger.trace('Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!');
          return;
        }
  
        var samples = [];
        for (var i = 0; i < nbSamples; i++) {
          var stamp = startDTS + i * frameDuration;
          samples.push({ unit: silentFrame, pts: stamp, dts: stamp });
          track.len += silentFrame.length;
        }
        track.samples = samples;
  
        this.remuxAudio(track, timeOffset, contiguous);
      }
    }, {
      key: 'remuxID3',
      value: function remuxID3(track, timeOffset) {
        var length = track.samples.length,
            sample;
        var inputTimeScale = track.inputTimeScale;
        var initPTS = this._initPTS;
        var initDTS = this._initDTS;
        // consume samples
        if (length) {
          for (var index = 0; index < length; index++) {
            sample = track.samples[index];
            // setting id3 pts, dts to relative time
            // using this._initPTS and this._initDTS to calculate relative time
            sample.pts = (sample.pts - initPTS) / inputTimeScale;
            sample.dts = (sample.dts - initDTS) / inputTimeScale;
          }
          this.observer.trigger(_events2.default.FRAG_PARSING_METADATA, {
            samples: track.samples
          });
        }
  
        track.samples = [];
        timeOffset = timeOffset;
      }
    }, {
      key: 'remuxText',
      value: function remuxText(track, timeOffset) {
        track.samples.sort(function (a, b) {
          return a.pts - b.pts;
        });
  
        var length = track.samples.length,
            sample;
        var inputTimeScale = track.inputTimeScale;
        var initPTS = this._initPTS;
        // consume samples
        if (length) {
          for (var index = 0; index < length; index++) {
            sample = track.samples[index];
            // setting text pts, dts to relative time
            // using this._initPTS and this._initDTS to calculate relative time
            sample.pts = (sample.pts - initPTS) / inputTimeScale;
          }
          this.observer.trigger(_events2.default.FRAG_PARSING_USERDATA, {
            samples: track.samples
          });
        }
  
        track.samples = [];
        timeOffset = timeOffset;
      }
    }, {
      key: '_PTSNormalize',
      value: function _PTSNormalize(value, reference) {
        var offset;
        if (reference === undefined) {
          return value;
        }
        if (reference < value) {
          // - 2^33
          offset = -8589934592;
        } else {
          // + 2^33
          offset = 8589934592;
        }
        /* PTS is 33bit (from 0 to 2^33 -1)
          if diff between value and reference is bigger than half of the amplitude (2^32) then it means that
          PTS looping occured. fill the gap */
        while (Math.abs(value - reference) > 4294967296) {
          value += offset;
        }
        return value;
      }
    }]);
  
    return MP4Remuxer;
  }();
  
  exports.default = MP4Remuxer;
  
  },{"33":33,"35":35,"36":36,"44":44,"53":53}],46:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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; }; }(); /**
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        * passthrough remuxer
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       */
  
  
  var _events = _dereq_(35);
  
  var _events2 = _interopRequireDefault(_events);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var PassThroughRemuxer = function () {
    function PassThroughRemuxer(observer) {
      _classCallCheck(this, PassThroughRemuxer);
  
      this.observer = observer;
    }
  
    _createClass(PassThroughRemuxer, [{
      key: 'destroy',
      value: function destroy() {}
    }, {
      key: 'resetTimeStamp',
      value: function resetTimeStamp() {}
    }, {
      key: 'resetInitSegment',
      value: function resetInitSegment() {}
    }, {
      key: 'remux',
      value: function remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset, rawData) {
        var observer = this.observer;
        var streamType = '';
        if (audioTrack) {
          streamType += 'audio';
        }
        if (videoTrack) {
          streamType += 'video';
        }
        observer.trigger(_events2.default.FRAG_PARSING_DATA, {
          data1: rawData,
          startPTS: timeOffset,
          startDTS: timeOffset,
          type: streamType,
          nb: 1,
          dropped: 0
        });
        //notify end of parsing
        observer.trigger(_events2.default.FRAG_PARSED);
      }
    }]);
  
    return PassThroughRemuxer;
  }();
  
  exports.default = PassThroughRemuxer;
  
  },{"35":35}],47:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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; }; }();
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var DECIMAL_RESOLUTION_REGEX = /^(\d+)x(\d+)$/;
  var ATTR_LIST_REGEX = /\s*(.+?)\s*=((?:\".*?\")|.*?)(?:,|$)/g;
  
  // adapted from https://github.com/kanongil/node-m3u8parse/blob/master/attrlist.js
  
  var AttrList = function () {
    function AttrList(attrs) {
      _classCallCheck(this, AttrList);
  
      if (typeof attrs === 'string') {
        attrs = AttrList.parseAttrList(attrs);
      }
      for (var attr in attrs) {
        if (attrs.hasOwnProperty(attr)) {
          this[attr] = attrs[attr];
        }
      }
    }
  
    _createClass(AttrList, [{
      key: 'decimalInteger',
      value: function decimalInteger(attrName) {
        var intValue = parseInt(this[attrName], 10);
        if (intValue > Number.MAX_SAFE_INTEGER) {
          return Infinity;
        }
        return intValue;
      }
    }, {
      key: 'hexadecimalInteger',
      value: function hexadecimalInteger(attrName) {
        if (this[attrName]) {
          var stringValue = (this[attrName] || '0x').slice(2);
          stringValue = (stringValue.length & 1 ? '0' : '') + stringValue;
  
          var value = new Uint8Array(stringValue.length / 2);
          for (var i = 0; i < stringValue.length / 2; i++) {
            value[i] = parseInt(stringValue.slice(i * 2, i * 2 + 2), 16);
          }
          return value;
        } else {
          return null;
        }
      }
    }, {
      key: 'hexadecimalIntegerAsNumber',
      value: function hexadecimalIntegerAsNumber(attrName) {
        var intValue = parseInt(this[attrName], 16);
        if (intValue > Number.MAX_SAFE_INTEGER) {
          return Infinity;
        }
        return intValue;
      }
    }, {
      key: 'decimalFloatingPoint',
      value: function decimalFloatingPoint(attrName) {
        return parseFloat(this[attrName]);
      }
    }, {
      key: 'enumeratedString',
      value: function enumeratedString(attrName) {
        return this[attrName];
      }
    }, {
      key: 'decimalResolution',
      value: function decimalResolution(attrName) {
        var res = DECIMAL_RESOLUTION_REGEX.exec(this[attrName]);
        if (res === null) {
          return undefined;
        }
        return {
          width: parseInt(res[1], 10),
          height: parseInt(res[2], 10)
        };
      }
    }], [{
      key: 'parseAttrList',
      value: function parseAttrList(input) {
        var match,
            attrs = {};
        ATTR_LIST_REGEX.lastIndex = 0;
        while ((match = ATTR_LIST_REGEX.exec(input)) !== null) {
          var value = match[2],
              quote = '"';
  
          if (value.indexOf(quote) === 0 && value.lastIndexOf(quote) === value.length - 1) {
            value = value.slice(1, -1);
          }
          attrs[match[1]] = value;
        }
        return attrs;
      }
    }]);
  
    return AttrList;
  }();
  
  exports.default = AttrList;
  
  },{}],48:[function(_dereq_,module,exports){
  "use strict";
  
  var BinarySearch = {
      /**
       * Searches for an item in an array which matches a certain condition.
       * This requires the condition to only match one item in the array,
       * and for the array to be ordered.
       *
       * @param {Array} list The array to search.
       * @param {Function} comparisonFunction
       *      Called and provided a candidate item as the first argument.
       *      Should return:
       *          > -1 if the item should be located at a lower index than the provided item.
       *          > 1 if the item should be located at a higher index than the provided item.
       *          > 0 if the item is the item you're looking for.
       *
       * @return {*} The object if it is found or null otherwise.
       */
      search: function search(list, comparisonFunction) {
          var minIndex = 0;
          var maxIndex = list.length - 1;
          var currentIndex = null;
          var currentElement = null;
  
          while (minIndex <= maxIndex) {
              currentIndex = (minIndex + maxIndex) / 2 | 0;
              currentElement = list[currentIndex];
  
              var comparisonResult = comparisonFunction(currentElement);
              if (comparisonResult > 0) {
                  minIndex = currentIndex + 1;
              } else if (comparisonResult < 0) {
                  maxIndex = currentIndex - 1;
              } else {
                  return currentElement;
              }
          }
  
          return null;
      }
  };
  
  module.exports = BinarySearch;
  
  },{}],49:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
      value: true
  });
  
  var _createClass = 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; }; }();
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  /**
   *
   * This code was ported from the dash.js project at:
   *   https://github.com/Dash-Industry-Forum/dash.js/blob/development/externals/cea608-parser.js
   *   https://github.com/Dash-Industry-Forum/dash.js/commit/8269b26a761e0853bb21d78780ed945144ecdd4d#diff-71bc295a2d6b6b7093a1d3290d53a4b2
   *
   * The original copyright appears below:
   *
   * The copyright in this software is being made available under the BSD License,
   * included below. This software may be subject to other third party and contributor
   * rights, including patent rights, and no such rights are granted under this license.
   *
   * Copyright (c) 2015-2016, DASH Industry Forum.
   * 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.
   *  * 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.
   *  2. Neither the name of Dash Industry Forum nor the names of its
   *  contributors may be used to endorse or promote products derived from this software
   *  without specific prior written permission.
   *
   *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 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 THE 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.
   */
  /**
   *  Exceptions from regular ASCII. CodePoints are mapped to UTF-16 codes
   */
  
  var specialCea608CharsCodes = {
      0x2a: 0xe1, // lowercase a, acute accent
      0x5c: 0xe9, // lowercase e, acute accent
      0x5e: 0xed, // lowercase i, acute accent
      0x5f: 0xf3, // lowercase o, acute accent
      0x60: 0xfa, // lowercase u, acute accent
      0x7b: 0xe7, // lowercase c with cedilla
      0x7c: 0xf7, // division symbol
      0x7d: 0xd1, // uppercase N tilde
      0x7e: 0xf1, // lowercase n tilde
      0x7f: 0x2588, // Full block
      // THIS BLOCK INCLUDES THE 16 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS
      // THAT COME FROM HI BYTE=0x11 AND LOW BETWEEN 0x30 AND 0x3F
      // THIS MEANS THAT \x50 MUST BE ADDED TO THE VALUES
      0x80: 0xae, // Registered symbol (R)
      0x81: 0xb0, // degree sign
      0x82: 0xbd, // 1/2 symbol
      0x83: 0xbf, // Inverted (open) question mark
      0x84: 0x2122, // Trademark symbol (TM)
      0x85: 0xa2, // Cents symbol
      0x86: 0xa3, // Pounds sterling
      0x87: 0x266a, // Music 8'th note
      0x88: 0xe0, // lowercase a, grave accent
      0x89: 0x20, // transparent space (regular)
      0x8a: 0xe8, // lowercase e, grave accent
      0x8b: 0xe2, // lowercase a, circumflex accent
      0x8c: 0xea, // lowercase e, circumflex accent
      0x8d: 0xee, // lowercase i, circumflex accent
      0x8e: 0xf4, // lowercase o, circumflex accent
      0x8f: 0xfb, // lowercase u, circumflex accent
      // THIS BLOCK INCLUDES THE 32 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS
      // THAT COME FROM HI BYTE=0x12 AND LOW BETWEEN 0x20 AND 0x3F
      0x90: 0xc1, // capital letter A with acute
      0x91: 0xc9, // capital letter E with acute
      0x92: 0xd3, // capital letter O with acute
      0x93: 0xda, // capital letter U with acute
      0x94: 0xdc, // capital letter U with diaresis
      0x95: 0xfc, // lowercase letter U with diaeresis
      0x96: 0x2018, // opening single quote
      0x97: 0xa1, // inverted exclamation mark
      0x98: 0x2a, // asterisk
      0x99: 0x2019, // closing single quote
      0x9a: 0x2501, // box drawings heavy horizontal
      0x9b: 0xa9, // copyright sign
      0x9c: 0x2120, // Service mark
      0x9d: 0x2022, // (round) bullet
      0x9e: 0x201c, // Left double quotation mark
      0x9f: 0x201d, // Right double quotation mark
      0xa0: 0xc0, // uppercase A, grave accent
      0xa1: 0xc2, // uppercase A, circumflex
      0xa2: 0xc7, // uppercase C with cedilla
      0xa3: 0xc8, // uppercase E, grave accent
      0xa4: 0xca, // uppercase E, circumflex
      0xa5: 0xcb, // capital letter E with diaresis
      0xa6: 0xeb, // lowercase letter e with diaresis
      0xa7: 0xce, // uppercase I, circumflex
      0xa8: 0xcf, // uppercase I, with diaresis
      0xa9: 0xef, // lowercase i, with diaresis
      0xaa: 0xd4, // uppercase O, circumflex
      0xab: 0xd9, // uppercase U, grave accent
      0xac: 0xf9, // lowercase u, grave accent
      0xad: 0xdb, // uppercase U, circumflex
      0xae: 0xab, // left-pointing double angle quotation mark
      0xaf: 0xbb, // right-pointing double angle quotation mark
      // THIS BLOCK INCLUDES THE 32 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS
      // THAT COME FROM HI BYTE=0x13 AND LOW BETWEEN 0x20 AND 0x3F
      0xb0: 0xc3, // Uppercase A, tilde
      0xb1: 0xe3, // Lowercase a, tilde
      0xb2: 0xcd, // Uppercase I, acute accent
      0xb3: 0xcc, // Uppercase I, grave accent
      0xb4: 0xec, // Lowercase i, grave accent
      0xb5: 0xd2, // Uppercase O, grave accent
      0xb6: 0xf2, // Lowercase o, grave accent
      0xb7: 0xd5, // Uppercase O, tilde
      0xb8: 0xf5, // Lowercase o, tilde
      0xb9: 0x7b, // Open curly brace
      0xba: 0x7d, // Closing curly brace
      0xbb: 0x5c, // Backslash
      0xbc: 0x5e, // Caret
      0xbd: 0x5f, // Underscore
      0xbe: 0x7c, // Pipe (vertical line)
      0xbf: 0x223c, // Tilde operator
      0xc0: 0xc4, // Uppercase A, umlaut
      0xc1: 0xe4, // Lowercase A, umlaut
      0xc2: 0xd6, // Uppercase O, umlaut
      0xc3: 0xf6, // Lowercase o, umlaut
      0xc4: 0xdf, // Esszett (sharp S)
      0xc5: 0xa5, // Yen symbol
      0xc6: 0xa4, // Generic currency sign
      0xc7: 0x2503, // Box drawings heavy vertical
      0xc8: 0xc5, // Uppercase A, ring
      0xc9: 0xe5, // Lowercase A, ring
      0xca: 0xd8, // Uppercase O, stroke
      0xcb: 0xf8, // Lowercase o, strok
      0xcc: 0x250f, // Box drawings heavy down and right
      0xcd: 0x2513, // Box drawings heavy down and left
      0xce: 0x2517, // Box drawings heavy up and right
      0xcf: 0x251b // Box drawings heavy up and left
  };
  
  /**
   * Utils
   */
  var getCharForByte = function getCharForByte(byte) {
      var charCode = byte;
      if (specialCea608CharsCodes.hasOwnProperty(byte)) {
          charCode = specialCea608CharsCodes[byte];
      }
      return String.fromCharCode(charCode);
  };
  
  var NR_ROWS = 15,
      NR_COLS = 100;
  // Tables to look up row from PAC data
  var rowsLowCh1 = { 0x11: 1, 0x12: 3, 0x15: 5, 0x16: 7, 0x17: 9, 0x10: 11, 0x13: 12, 0x14: 14 };
  var rowsHighCh1 = { 0x11: 2, 0x12: 4, 0x15: 6, 0x16: 8, 0x17: 10, 0x13: 13, 0x14: 15 };
  var rowsLowCh2 = { 0x19: 1, 0x1A: 3, 0x1D: 5, 0x1E: 7, 0x1F: 9, 0x18: 11, 0x1B: 12, 0x1C: 14 };
  var rowsHighCh2 = { 0x19: 2, 0x1A: 4, 0x1D: 6, 0x1E: 8, 0x1F: 10, 0x1B: 13, 0x1C: 15 };
  
  var backgroundColors = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta', 'black', 'transparent'];
  
  /**
   * Simple logger class to be able to write with time-stamps and filter on level.
   */
  var logger = {
      verboseFilter: { 'DATA': 3, 'DEBUG': 3, 'INFO': 2, 'WARNING': 2, 'TEXT': 1, 'ERROR': 0 },
      time: null,
      verboseLevel: 0, // Only write errors
      setTime: function setTime(newTime) {
          this.time = newTime;
      },
      log: function log(severity, msg) {
          var minLevel = this.verboseFilter[severity];
          if (this.verboseLevel >= minLevel) {
              console.log(this.time + ' [' + severity + '] ' + msg);
          }
      }
  };
  
  var numArrayToHexArray = function numArrayToHexArray(numArray) {
      var hexArray = [];
      for (var j = 0; j < numArray.length; j++) {
          hexArray.push(numArray[j].toString(16));
      }
      return hexArray;
  };
  
  var PenState = function () {
      function PenState(foreground, underline, italics, background, flash) {
          _classCallCheck(this, PenState);
  
          this.foreground = foreground || 'white';
          this.underline = underline || false;
          this.italics = italics || false;
          this.background = background || 'black';
          this.flash = flash || false;
      }
  
      _createClass(PenState, [{
          key: 'reset',
          value: function reset() {
              this.foreground = 'white';
              this.underline = false;
              this.italics = false;
              this.background = 'black';
              this.flash = false;
          }
      }, {
          key: 'setStyles',
          value: function setStyles(styles) {
              var attribs = ['foreground', 'underline', 'italics', 'background', 'flash'];
              for (var i = 0; i < attribs.length; i++) {
                  var style = attribs[i];
                  if (styles.hasOwnProperty(style)) {
                      this[style] = styles[style];
                  }
              }
          }
      }, {
          key: 'isDefault',
          value: function isDefault() {
              return this.foreground === 'white' && !this.underline && !this.italics && this.background === 'black' && !this.flash;
          }
      }, {
          key: 'equals',
          value: function equals(other) {
              return this.foreground === other.foreground && this.underline === other.underline && this.italics === other.italics && this.background === other.background && this.flash === other.flash;
          }
      }, {
          key: 'copy',
          value: function copy(newPenState) {
              this.foreground = newPenState.foreground;
              this.underline = newPenState.underline;
              this.italics = newPenState.italics;
              this.background = newPenState.background;
              this.flash = newPenState.flash;
          }
      }, {
          key: 'toString',
          value: function toString() {
              return 'color=' + this.foreground + ', underline=' + this.underline + ', italics=' + this.italics + ', background=' + this.background + ', flash=' + this.flash;
          }
      }]);
  
      return PenState;
  }();
  
  /**
   * Unicode character with styling and background.
   * @constructor
   */
  
  
  var StyledUnicodeChar = function () {
      function StyledUnicodeChar(uchar, foreground, underline, italics, background, flash) {
          _classCallCheck(this, StyledUnicodeChar);
  
          this.uchar = uchar || ' '; // unicode character
          this.penState = new PenState(foreground, underline, italics, background, flash);
      }
  
      _createClass(StyledUnicodeChar, [{
          key: 'reset',
          value: function reset() {
              this.uchar = ' ';
              this.penState.reset();
          }
      }, {
          key: 'setChar',
          value: function setChar(uchar, newPenState) {
              this.uchar = uchar;
              this.penState.copy(newPenState);
          }
      }, {
          key: 'setPenState',
          value: function setPenState(newPenState) {
              this.penState.copy(newPenState);
          }
      }, {
          key: 'equals',
          value: function equals(other) {
              return this.uchar === other.uchar && this.penState.equals(other.penState);
          }
      }, {
          key: 'copy',
          value: function copy(newChar) {
              this.uchar = newChar.uchar;
              this.penState.copy(newChar.penState);
          }
      }, {
          key: 'isEmpty',
          value: function isEmpty() {
              return this.uchar === ' ' && this.penState.isDefault();
          }
      }]);
  
      return StyledUnicodeChar;
  }();
  
  /**
   * CEA-608 row consisting of NR_COLS instances of StyledUnicodeChar.
   * @constructor
   */
  
  
  var Row = function () {
      function Row() {
          _classCallCheck(this, Row);
  
          this.chars = [];
          for (var i = 0; i < NR_COLS; i++) {
              this.chars.push(new StyledUnicodeChar());
          }
          this.pos = 0;
          this.currPenState = new PenState();
      }
  
      _createClass(Row, [{
          key: 'equals',
          value: function equals(other) {
              var equal = true;
              for (var i = 0; i < NR_COLS; i++) {
                  if (!this.chars[i].equals(other.chars[i])) {
                      equal = false;
                      break;
                  }
              }
              return equal;
          }
      }, {
          key: 'copy',
          value: function copy(other) {
              for (var i = 0; i < NR_COLS; i++) {
                  this.chars[i].copy(other.chars[i]);
              }
          }
      }, {
          key: 'isEmpty',
          value: function isEmpty() {
              var empty = true;
              for (var i = 0; i < NR_COLS; i++) {
                  if (!this.chars[i].isEmpty()) {
                      empty = false;
                      break;
                  }
              }
              return empty;
          }
  
          /**
           *  Set the cursor to a valid column.
           */
  
      }, {
          key: 'setCursor',
          value: function setCursor(absPos) {
              if (this.pos !== absPos) {
                  this.pos = absPos;
              }
              if (this.pos < 0) {
                  logger.log('ERROR', 'Negative cursor position ' + this.pos);
                  this.pos = 0;
              } else if (this.pos > NR_COLS) {
                  logger.log('ERROR', 'Too large cursor position ' + this.pos);
                  this.pos = NR_COLS;
              }
          }
  
          /**
           * Move the cursor relative to current position.
           */
  
      }, {
          key: 'moveCursor',
          value: function moveCursor(relPos) {
              var newPos = this.pos + relPos;
              if (relPos > 1) {
                  for (var i = this.pos + 1; i < newPos + 1; i++) {
                      this.chars[i].setPenState(this.currPenState);
                  }
              }
              this.setCursor(newPos);
          }
  
          /**
           * Backspace, move one step back and clear character.
           */
  
      }, {
          key: 'backSpace',
          value: function backSpace() {
              this.moveCursor(-1);
              this.chars[this.pos].setChar(' ', this.currPenState);
          }
      }, {
          key: 'insertChar',
          value: function insertChar(byte) {
              if (byte >= 0x90) {
                  //Extended char
                  this.backSpace();
              }
              var char = getCharForByte(byte);
              if (this.pos >= NR_COLS) {
                  logger.log('ERROR', 'Cannot insert ' + byte.toString(16) + ' (' + char + ') at position ' + this.pos + '. Skipping it!');
                  return;
              }
              this.chars[this.pos].setChar(char, this.currPenState);
              this.moveCursor(1);
          }
      }, {
          key: 'clearFromPos',
          value: function clearFromPos(startPos) {
              var i;
              for (i = startPos; i < NR_COLS; i++) {
                  this.chars[i].reset();
              }
          }
      }, {
          key: 'clear',
          value: function clear() {
              this.clearFromPos(0);
              this.pos = 0;
              this.currPenState.reset();
          }
      }, {
          key: 'clearToEndOfRow',
          value: function clearToEndOfRow() {
              this.clearFromPos(this.pos);
          }
      }, {
          key: 'getTextString',
          value: function getTextString() {
              var chars = [];
              var empty = true;
              for (var i = 0; i < NR_COLS; i++) {
                  var char = this.chars[i].uchar;
                  if (char !== ' ') {
                      empty = false;
                  }
                  chars.push(char);
              }
              if (empty) {
                  return '';
              } else {
                  return chars.join('');
              }
          }
      }, {
          key: 'setPenStyles',
          value: function setPenStyles(styles) {
              this.currPenState.setStyles(styles);
              var currChar = this.chars[this.pos];
              currChar.setPenState(this.currPenState);
          }
      }]);
  
      return Row;
  }();
  
  /**
   * Keep a CEA-608 screen of 32x15 styled characters
   * @constructor
  */
  
  
  var CaptionScreen = function () {
      function CaptionScreen() {
          _classCallCheck(this, CaptionScreen);
  
          this.rows = [];
          for (var i = 0; i < NR_ROWS; i++) {
              this.rows.push(new Row()); // Note that we use zero-based numbering (0-14)
          }
          this.currRow = NR_ROWS - 1;
          this.nrRollUpRows = null;
          this.reset();
      }
  
      _createClass(CaptionScreen, [{
          key: 'reset',
          value: function reset() {
              for (var i = 0; i < NR_ROWS; i++) {
                  this.rows[i].clear();
              }
              this.currRow = NR_ROWS - 1;
          }
      }, {
          key: 'equals',
          value: function equals(other) {
              var equal = true;
              for (var i = 0; i < NR_ROWS; i++) {
                  if (!this.rows[i].equals(other.rows[i])) {
                      equal = false;
                      break;
                  }
              }
              return equal;
          }
      }, {
          key: 'copy',
          value: function copy(other) {
              for (var i = 0; i < NR_ROWS; i++) {
                  this.rows[i].copy(other.rows[i]);
              }
          }
      }, {
          key: 'isEmpty',
          value: function isEmpty() {
              var empty = true;
              for (var i = 0; i < NR_ROWS; i++) {
                  if (!this.rows[i].isEmpty()) {
                      empty = false;
                      break;
                  }
              }
              return empty;
          }
      }, {
          key: 'backSpace',
          value: function backSpace() {
              var row = this.rows[this.currRow];
              row.backSpace();
          }
      }, {
          key: 'clearToEndOfRow',
          value: function clearToEndOfRow() {
              var row = this.rows[this.currRow];
              row.clearToEndOfRow();
          }
  
          /**
           * Insert a character (without styling) in the current row.
           */
  
      }, {
          key: 'insertChar',
          value: function insertChar(char) {
              var row = this.rows[this.currRow];
              row.insertChar(char);
          }
      }, {
          key: 'setPen',
          value: function setPen(styles) {
              var row = this.rows[this.currRow];
              row.setPenStyles(styles);
          }
      }, {
          key: 'moveCursor',
          value: function moveCursor(relPos) {
              var row = this.rows[this.currRow];
              row.moveCursor(relPos);
          }
      }, {
          key: 'setCursor',
          value: function setCursor(absPos) {
              logger.log('INFO', 'setCursor: ' + absPos);
              var row = this.rows[this.currRow];
              row.setCursor(absPos);
          }
      }, {
          key: 'setPAC',
          value: function setPAC(pacData) {
              logger.log('INFO', 'pacData = ' + JSON.stringify(pacData));
              var newRow = pacData.row - 1;
              if (this.nrRollUpRows && newRow < this.nrRollUpRows - 1) {
                  newRow = this.nrRollUpRows - 1;
              }
  
              //Make sure this only affects Roll-up Captions by checking this.nrRollUpRows
              if (this.nrRollUpRows && this.currRow !== newRow) {
                  //clear all rows first
                  for (var i = 0; i < NR_ROWS; i++) {
                      this.rows[i].clear();
                  }
  
                  //Copy this.nrRollUpRows rows from lastOutputScreen and place it in the newRow location
                  //topRowIndex - the start of rows to copy (inclusive index)
                  var topRowIndex = this.currRow + 1 - this.nrRollUpRows;
                  //We only copy if the last position was already shown.
                  //We use the cueStartTime value to check this.
                  var lastOutputScreen = this.lastOutputScreen;
                  if (lastOutputScreen) {
                      var prevLineTime = lastOutputScreen.rows[topRowIndex].cueStartTime;
                      if (prevLineTime && prevLineTime < logger.time) {
                          for (var _i = 0; _i < this.nrRollUpRows; _i++) {
                              this.rows[newRow - this.nrRollUpRows + _i + 1].copy(lastOutputScreen.rows[topRowIndex + _i]);
                          }
                      }
                  }
              }
  
              this.currRow = newRow;
              var row = this.rows[this.currRow];
              if (pacData.indent !== null) {
                  var indent = pacData.indent;
                  var prevPos = Math.max(indent - 1, 0);
                  row.setCursor(pacData.indent);
                  pacData.color = row.chars[prevPos].penState.foreground;
              }
              var styles = { foreground: pacData.color, underline: pacData.underline, italics: pacData.italics, background: 'black', flash: false };
              this.setPen(styles);
          }
  
          /**
           * Set background/extra foreground, but first do back_space, and then insert space (backwards compatibility).
           */
  
      }, {
          key: 'setBkgData',
          value: function setBkgData(bkgData) {
  
              logger.log('INFO', 'bkgData = ' + JSON.stringify(bkgData));
              this.backSpace();
              this.setPen(bkgData);
              this.insertChar(0x20); //Space
          }
      }, {
          key: 'setRollUpRows',
          value: function setRollUpRows(nrRows) {
              this.nrRollUpRows = nrRows;
          }
      }, {
          key: 'rollUp',
          value: function rollUp() {
              if (this.nrRollUpRows === null) {
                  logger.log('DEBUG', 'roll_up but nrRollUpRows not set yet');
                  return; //Not properly setup
              }
              logger.log('TEXT', this.getDisplayText());
              var topRowIndex = this.currRow + 1 - this.nrRollUpRows;
              var topRow = this.rows.splice(topRowIndex, 1)[0];
              topRow.clear();
              this.rows.splice(this.currRow, 0, topRow);
              logger.log('INFO', 'Rolling up');
              //logger.log('TEXT', this.get_display_text())
          }
  
          /**
           * Get all non-empty rows with as unicode text.
           */
  
      }, {
          key: 'getDisplayText',
          value: function getDisplayText(asOneRow) {
              asOneRow = asOneRow || false;
              var displayText = [];
              var text = '';
              var rowNr = -1;
              for (var i = 0; i < NR_ROWS; i++) {
                  var rowText = this.rows[i].getTextString();
                  if (rowText) {
                      rowNr = i + 1;
                      if (asOneRow) {
                          displayText.push('Row ' + rowNr + ': \'' + rowText + '\'');
                      } else {
                          displayText.push(rowText.trim());
                      }
                  }
              }
              if (displayText.length > 0) {
                  if (asOneRow) {
                      text = '[' + displayText.join(' | ') + ']';
                  } else {
                      text = displayText.join('\n');
                  }
              }
              return text;
          }
      }, {
          key: 'getTextAndFormat',
          value: function getTextAndFormat() {
              return this.rows;
          }
      }]);
  
      return CaptionScreen;
  }();
  
  //var modes = ['MODE_ROLL-UP', 'MODE_POP-ON', 'MODE_PAINT-ON', 'MODE_TEXT'];
  
  var Cea608Channel = function () {
      function Cea608Channel(channelNumber, outputFilter) {
          _classCallCheck(this, Cea608Channel);
  
          this.chNr = channelNumber;
          this.outputFilter = outputFilter;
          this.mode = null;
          this.verbose = 0;
          this.displayedMemory = new CaptionScreen();
          this.nonDisplayedMemory = new CaptionScreen();
          this.lastOutputScreen = new CaptionScreen();
          this.currRollUpRow = this.displayedMemory.rows[NR_ROWS - 1];
          this.writeScreen = this.displayedMemory;
          this.mode = null;
          this.cueStartTime = null; // Keeps track of where a cue started.
      }
  
      _createClass(Cea608Channel, [{
          key: 'reset',
          value: function reset() {
              this.mode = null;
              this.displayedMemory.reset();
              this.nonDisplayedMemory.reset();
              this.lastOutputScreen.reset();
              this.currRollUpRow = this.displayedMemory.rows[NR_ROWS - 1];
              this.writeScreen = this.displayedMemory;
              this.mode = null;
              this.cueStartTime = null;
              this.lastCueEndTime = null;
          }
      }, {
          key: 'getHandler',
          value: function getHandler() {
              return this.outputFilter;
          }
      }, {
          key: 'setHandler',
          value: function setHandler(newHandler) {
              this.outputFilter = newHandler;
          }
      }, {
          key: 'setPAC',
          value: function setPAC(pacData) {
              this.writeScreen.setPAC(pacData);
          }
      }, {
          key: 'setBkgData',
          value: function setBkgData(bkgData) {
              this.writeScreen.setBkgData(bkgData);
          }
      }, {
          key: 'setMode',
          value: function setMode(newMode) {
              if (newMode === this.mode) {
                  return;
              }
              this.mode = newMode;
              logger.log('INFO', 'MODE=' + newMode);
              if (this.mode === 'MODE_POP-ON') {
                  this.writeScreen = this.nonDisplayedMemory;
              } else {
                  this.writeScreen = this.displayedMemory;
                  this.writeScreen.reset();
              }
              if (this.mode !== 'MODE_ROLL-UP') {
                  this.displayedMemory.nrRollUpRows = null;
                  this.nonDisplayedMemory.nrRollUpRows = null;
              }
              this.mode = newMode;
          }
      }, {
          key: 'insertChars',
          value: function insertChars(chars) {
              for (var i = 0; i < chars.length; i++) {
                  this.writeScreen.insertChar(chars[i]);
              }
              var screen = this.writeScreen === this.displayedMemory ? 'DISP' : 'NON_DISP';
              logger.log('INFO', screen + ': ' + this.writeScreen.getDisplayText(true));
              if (this.mode === 'MODE_PAINT-ON' || this.mode === 'MODE_ROLL-UP') {
                  logger.log('TEXT', 'DISPLAYED: ' + this.displayedMemory.getDisplayText(true));
                  this.outputDataUpdate();
              }
          }
      }, {
          key: 'ccRCL',
          value: function ccRCL() {
              // Resume Caption Loading (switch mode to Pop On)
              logger.log('INFO', 'RCL - Resume Caption Loading');
              this.setMode('MODE_POP-ON');
          }
      }, {
          key: 'ccBS',
          value: function ccBS() {
              // BackSpace
              logger.log('INFO', 'BS - BackSpace');
              if (this.mode === 'MODE_TEXT') {
                  return;
              }
              this.writeScreen.backSpace();
              if (this.writeScreen === this.displayedMemory) {
                  this.outputDataUpdate();
              }
          }
      }, {
          key: 'ccAOF',
          value: function ccAOF() {
              // Reserved (formerly Alarm Off)
              return;
          }
      }, {
          key: 'ccAON',
          value: function ccAON() {
              // Reserved (formerly Alarm On)
              return;
          }
      }, {
          key: 'ccDER',
          value: function ccDER() {
              // Delete to End of Row
              logger.log('INFO', 'DER- Delete to End of Row');
              this.writeScreen.clearToEndOfRow();
              this.outputDataUpdate();
          }
      }, {
          key: 'ccRU',
          value: function ccRU(nrRows) {
              //Roll-Up Captions-2,3,or 4 Rows
              logger.log('INFO', 'RU(' + nrRows + ') - Roll Up');
              this.writeScreen = this.displayedMemory;
              this.setMode('MODE_ROLL-UP');
              this.writeScreen.setRollUpRows(nrRows);
          }
      }, {
          key: 'ccFON',
          value: function ccFON() {
              //Flash On
              logger.log('INFO', 'FON - Flash On');
              this.writeScreen.setPen({ flash: true });
          }
      }, {
          key: 'ccRDC',
          value: function ccRDC() {
              // Resume Direct Captioning (switch mode to PaintOn)
              logger.log('INFO', 'RDC - Resume Direct Captioning');
              this.setMode('MODE_PAINT-ON');
          }
      }, {
          key: 'ccTR',
          value: function ccTR() {
              // Text Restart in text mode (not supported, however)
              logger.log('INFO', 'TR');
              this.setMode('MODE_TEXT');
          }
      }, {
          key: 'ccRTD',
          value: function ccRTD() {
              // Resume Text Display in Text mode (not supported, however)
              logger.log('INFO', 'RTD');
              this.setMode('MODE_TEXT');
          }
      }, {
          key: 'ccEDM',
          value: function ccEDM() {
              // Erase Displayed Memory
              logger.log('INFO', 'EDM - Erase Displayed Memory');
              this.displayedMemory.reset();
              this.outputDataUpdate();
          }
      }, {
          key: 'ccCR',
          value: function ccCR() {
              // Carriage Return
              logger.log('CR - Carriage Return');
              this.writeScreen.rollUp();
              this.outputDataUpdate();
          }
      }, {
          key: 'ccENM',
          value: function ccENM() {
              //Erase Non-Displayed Memory
              logger.log('INFO', 'ENM - Erase Non-displayed Memory');
              this.nonDisplayedMemory.reset();
          }
      }, {
          key: 'ccEOC',
          value: function ccEOC() {
              //End of Caption (Flip Memories)
              logger.log('INFO', 'EOC - End Of Caption');
              if (this.mode === 'MODE_POP-ON') {
                  var tmp = this.displayedMemory;
                  this.displayedMemory = this.nonDisplayedMemory;
                  this.nonDisplayedMemory = tmp;
                  this.writeScreen = this.nonDisplayedMemory;
                  logger.log('TEXT', 'DISP: ' + this.displayedMemory.getDisplayText());
              }
              this.outputDataUpdate();
          }
      }, {
          key: 'ccTO',
          value: function ccTO(nrCols) {
              // Tab Offset 1,2, or 3 columns
              logger.log('INFO', 'TO(' + nrCols + ') - Tab Offset');
              this.writeScreen.moveCursor(nrCols);
          }
      }, {
          key: 'ccMIDROW',
          value: function ccMIDROW(secondByte) {
              // Parse MIDROW command
              var styles = { flash: false };
              styles.underline = secondByte % 2 === 1;
              styles.italics = secondByte >= 0x2e;
              if (!styles.italics) {
                  var colorIndex = Math.floor(secondByte / 2) - 0x10;
                  var colors = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta'];
                  styles.foreground = colors[colorIndex];
              } else {
                  styles.foreground = 'white';
              }
              logger.log('INFO', 'MIDROW: ' + JSON.stringify(styles));
              this.writeScreen.setPen(styles);
          }
      }, {
          key: 'outputDataUpdate',
          value: function outputDataUpdate() {
              var t = logger.time;
              if (t === null) {
                  return;
              }
              if (this.outputFilter) {
                  if (this.outputFilter.updateData) {
                      this.outputFilter.updateData(t, this.displayedMemory);
                  }
                  if (this.cueStartTime === null && !this.displayedMemory.isEmpty()) {
                      // Start of a new cue
                      this.cueStartTime = t;
                  } else {
                      if (!this.displayedMemory.equals(this.lastOutputScreen)) {
                          if (this.outputFilter.newCue) {
                              this.outputFilter.newCue(this.cueStartTime, t, this.lastOutputScreen);
                          }
                          this.cueStartTime = this.displayedMemory.isEmpty() ? null : t;
                      }
                  }
                  this.lastOutputScreen.copy(this.displayedMemory);
              }
          }
      }, {
          key: 'cueSplitAtTime',
          value: function cueSplitAtTime(t) {
              if (this.outputFilter) {
                  if (!this.displayedMemory.isEmpty()) {
                      if (this.outputFilter.newCue) {
                          this.outputFilter.newCue(this.cueStartTime, t, this.displayedMemory);
                      }
                      this.cueStartTime = t;
                  }
              }
          }
      }]);
  
      return Cea608Channel;
  }();
  
  var Cea608Parser = function () {
      function Cea608Parser(field, out1, out2) {
          _classCallCheck(this, Cea608Parser);
  
          this.field = field || 1;
          this.outputs = [out1, out2];
          this.channels = [new Cea608Channel(1, out1), new Cea608Channel(2, out2)];
          this.currChNr = -1; // Will be 1 or 2
          this.lastCmdA = null; // First byte of last command
          this.lastCmdB = null; // Second byte of last command
          this.bufferedData = [];
          this.startTime = null;
          this.lastTime = null;
          this.dataCounters = { 'padding': 0, 'char': 0, 'cmd': 0, 'other': 0 };
      }
  
      _createClass(Cea608Parser, [{
          key: 'getHandler',
          value: function getHandler(index) {
              return this.channels[index].getHandler();
          }
      }, {
          key: 'setHandler',
          value: function setHandler(index, newHandler) {
              this.channels[index].setHandler(newHandler);
          }
  
          /**
           * Add data for time t in forms of list of bytes (unsigned ints). The bytes are treated as pairs.
           */
  
      }, {
          key: 'addData',
          value: function addData(t, byteList) {
              var cmdFound,
                  a,
                  b,
                  charsFound = false;
  
              this.lastTime = t;
              logger.setTime(t);
  
              for (var i = 0; i < byteList.length; i += 2) {
                  a = byteList[i] & 0x7f;
                  b = byteList[i + 1] & 0x7f;
                  if (a === 0 && b === 0) {
                      this.dataCounters.padding += 2;
                      continue;
                  } else {
                      logger.log('DATA', '[' + numArrayToHexArray([byteList[i], byteList[i + 1]]) + '] -> (' + numArrayToHexArray([a, b]) + ')');
                  }
                  cmdFound = this.parseCmd(a, b);
                  if (!cmdFound) {
                      cmdFound = this.parseMidrow(a, b);
                  }
                  if (!cmdFound) {
                      cmdFound = this.parsePAC(a, b);
                  }
                  if (!cmdFound) {
                      cmdFound = this.parseBackgroundAttributes(a, b);
                  }
                  if (!cmdFound) {
                      charsFound = this.parseChars(a, b);
                      if (charsFound) {
                          if (this.currChNr && this.currChNr >= 0) {
                              var channel = this.channels[this.currChNr - 1];
                              channel.insertChars(charsFound);
                          } else {
                              logger.log('WARNING', 'No channel found yet. TEXT-MODE?');
                          }
                      }
                  }
                  if (cmdFound) {
                      this.dataCounters.cmd += 2;
                  } else if (charsFound) {
                      this.dataCounters.char += 2;
                  } else {
                      this.dataCounters.other += 2;
                      logger.log('WARNING', 'Couldn\'t parse cleaned data ' + numArrayToHexArray([a, b]) + ' orig: ' + numArrayToHexArray([byteList[i], byteList[i + 1]]));
                  }
              }
          }
  
          /**
           * Parse Command.
           * @returns {Boolean} Tells if a command was found
           */
  
      }, {
          key: 'parseCmd',
          value: function parseCmd(a, b) {
              var chNr = null;
  
              var cond1 = (a === 0x14 || a === 0x1C) && 0x20 <= b && b <= 0x2F;
              var cond2 = (a === 0x17 || a === 0x1F) && 0x21 <= b && b <= 0x23;
              if (!(cond1 || cond2)) {
                  return false;
              }
  
              if (a === this.lastCmdA && b === this.lastCmdB) {
                  this.lastCmdA = null;
                  this.lastCmdB = null; // Repeated commands are dropped (once)
                  logger.log('DEBUG', 'Repeated command (' + numArrayToHexArray([a, b]) + ') is dropped');
                  return true;
              }
  
              if (a === 0x14 || a === 0x17) {
                  chNr = 1;
              } else {
                  chNr = 2; // (a === 0x1C || a=== 0x1f)
              }
  
              var channel = this.channels[chNr - 1];
  
              if (a === 0x14 || a === 0x1C) {
                  if (b === 0x20) {
                      channel.ccRCL();
                  } else if (b === 0x21) {
                      channel.ccBS();
                  } else if (b === 0x22) {
                      channel.ccAOF();
                  } else if (b === 0x23) {
                      channel.ccAON();
                  } else if (b === 0x24) {
                      channel.ccDER();
                  } else if (b === 0x25) {
                      channel.ccRU(2);
                  } else if (b === 0x26) {
                      channel.ccRU(3);
                  } else if (b === 0x27) {
                      channel.ccRU(4);
                  } else if (b === 0x28) {
                      channel.ccFON();
                  } else if (b === 0x29) {
                      channel.ccRDC();
                  } else if (b === 0x2A) {
                      channel.ccTR();
                  } else if (b === 0x2B) {
                      channel.ccRTD();
                  } else if (b === 0x2C) {
                      channel.ccEDM();
                  } else if (b === 0x2D) {
                      channel.ccCR();
                  } else if (b === 0x2E) {
                      channel.ccENM();
                  } else if (b === 0x2F) {
                      channel.ccEOC();
                  }
              } else {
                  //a == 0x17 || a == 0x1F
                  channel.ccTO(b - 0x20);
              }
              this.lastCmdA = a;
              this.lastCmdB = b;
              this.currChNr = chNr;
              return true;
          }
  
          /**
           * Parse midrow styling command
           * @returns {Boolean}
           */
  
      }, {
          key: 'parseMidrow',
          value: function parseMidrow(a, b) {
              var chNr = null;
  
              if ((a === 0x11 || a === 0x19) && 0x20 <= b && b <= 0x2f) {
                  if (a === 0x11) {
                      chNr = 1;
                  } else {
                      chNr = 2;
                  }
                  if (chNr !== this.currChNr) {
                      logger.log('ERROR', 'Mismatch channel in midrow parsing');
                      return false;
                  }
                  var channel = this.channels[chNr - 1];
                  channel.ccMIDROW(b);
                  logger.log('DEBUG', 'MIDROW (' + numArrayToHexArray([a, b]) + ')');
                  return true;
              }
              return false;
          }
          /**
           * Parse Preable Access Codes (Table 53).
           * @returns {Boolean} Tells if PAC found
           */
  
      }, {
          key: 'parsePAC',
          value: function parsePAC(a, b) {
  
              var chNr = null;
              var row = null;
  
              var case1 = (0x11 <= a && a <= 0x17 || 0x19 <= a && a <= 0x1F) && 0x40 <= b && b <= 0x7F;
              var case2 = (a === 0x10 || a === 0x18) && 0x40 <= b && b <= 0x5F;
              if (!(case1 || case2)) {
                  return false;
              }
  
              if (a === this.lastCmdA && b === this.lastCmdB) {
                  this.lastCmdA = null;
                  this.lastCmdB = null;
                  return true; // Repeated commands are dropped (once)
              }
  
              chNr = a <= 0x17 ? 1 : 2;
  
              if (0x40 <= b && b <= 0x5F) {
                  row = chNr === 1 ? rowsLowCh1[a] : rowsLowCh2[a];
              } else {
                  // 0x60 <= b <= 0x7F
                  row = chNr === 1 ? rowsHighCh1[a] : rowsHighCh2[a];
              }
              var pacData = this.interpretPAC(row, b);
              var channel = this.channels[chNr - 1];
              channel.setPAC(pacData);
              this.lastCmdA = a;
              this.lastCmdB = b;
              this.currChNr = chNr;
              return true;
          }
  
          /**
           * Interpret the second byte of the pac, and return the information.
           * @returns {Object} pacData with style parameters.
           */
  
      }, {
          key: 'interpretPAC',
          value: function interpretPAC(row, byte) {
              var pacIndex = byte;
              var pacData = { color: null, italics: false, indent: null, underline: false, row: row };
  
              if (byte > 0x5F) {
                  pacIndex = byte - 0x60;
              } else {
                  pacIndex = byte - 0x40;
              }
              pacData.underline = (pacIndex & 1) === 1;
              if (pacIndex <= 0xd) {
                  pacData.color = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta', 'white'][Math.floor(pacIndex / 2)];
              } else if (pacIndex <= 0xf) {
                  pacData.italics = true;
                  pacData.color = 'white';
              } else {
                  pacData.indent = Math.floor((pacIndex - 0x10) / 2) * 4;
              }
              return pacData; // Note that row has zero offset. The spec uses 1.
          }
  
          /**
           * Parse characters.
           * @returns An array with 1 to 2 codes corresponding to chars, if found. null otherwise.
           */
  
      }, {
          key: 'parseChars',
          value: function parseChars(a, b) {
  
              var channelNr = null,
                  charCodes = null,
                  charCode1 = null;
  
              if (a >= 0x19) {
                  channelNr = 2;
                  charCode1 = a - 8;
              } else {
                  channelNr = 1;
                  charCode1 = a;
              }
              if (0x11 <= charCode1 && charCode1 <= 0x13) {
                  // Special character
                  var oneCode = b;
                  if (charCode1 === 0x11) {
                      oneCode = b + 0x50;
                  } else if (charCode1 === 0x12) {
                      oneCode = b + 0x70;
                  } else {
                      oneCode = b + 0x90;
                  }
                  logger.log('INFO', 'Special char \'' + getCharForByte(oneCode) + '\' in channel ' + channelNr);
                  charCodes = [oneCode];
              } else if (0x20 <= a && a <= 0x7f) {
                  charCodes = b === 0 ? [a] : [a, b];
              }
              if (charCodes) {
                  var hexCodes = numArrayToHexArray(charCodes);
                  logger.log('DEBUG', 'Char codes =  ' + hexCodes.join(','));
                  this.lastCmdA = null;
                  this.lastCmdB = null;
              }
              return charCodes;
          }
  
          /**
          * Parse extended background attributes as well as new foreground color black.
          * @returns{Boolean} Tells if background attributes are found
          */
  
      }, {
          key: 'parseBackgroundAttributes',
          value: function parseBackgroundAttributes(a, b) {
              var bkgData, index, chNr, channel;
  
              var case1 = (a === 0x10 || a === 0x18) && 0x20 <= b && b <= 0x2f;
              var case2 = (a === 0x17 || a === 0x1f) && 0x2d <= b && b <= 0x2f;
              if (!(case1 || case2)) {
                  return false;
              }
              bkgData = {};
              if (a === 0x10 || a === 0x18) {
                  index = Math.floor((b - 0x20) / 2);
                  bkgData.background = backgroundColors[index];
                  if (b % 2 === 1) {
                      bkgData.background = bkgData.background + '_semi';
                  }
              } else if (b === 0x2d) {
                  bkgData.background = 'transparent';
              } else {
                  bkgData.foreground = 'black';
                  if (b === 0x2f) {
                      bkgData.underline = true;
                  }
              }
              chNr = a < 0x18 ? 1 : 2;
              channel = this.channels[chNr - 1];
              channel.setBkgData(bkgData);
              this.lastCmdA = null;
              this.lastCmdB = null;
              return true;
          }
  
          /**
           * Reset state of parser and its channels.
           */
  
      }, {
          key: 'reset',
          value: function reset() {
              for (var i = 0; i < this.channels.length; i++) {
                  if (this.channels[i]) {
                      this.channels[i].reset();
                  }
              }
              this.lastCmdA = null;
              this.lastCmdB = null;
          }
  
          /**
           * Trigger the generation of a cue, and the start of a new one if displayScreens are not empty.
           */
  
      }, {
          key: 'cueSplitAtTime',
          value: function cueSplitAtTime(t) {
              for (var i = 0; i < this.channels.length; i++) {
                  if (this.channels[i]) {
                      this.channels[i].cueSplitAtTime(t);
                  }
              }
          }
      }]);
  
      return Cea608Parser;
  }();
  
  exports.default = Cea608Parser;
  
  },{}],50:[function(_dereq_,module,exports){
  'use strict';
  
  var _vttparser = _dereq_(56);
  
  var Cues = {
  
    newCue: function newCue(track, startTime, endTime, captionScreen) {
      var row;
      var cue;
      var indenting;
      var indent;
      var text;
      var VTTCue = window.VTTCue || window.TextTrackCue;
  
      for (var r = 0; r < captionScreen.rows.length; r++) {
        row = captionScreen.rows[r];
        indenting = true;
        indent = 0;
        text = '';
  
        if (!row.isEmpty()) {
          for (var c = 0; c < row.chars.length; c++) {
            if (row.chars[c].uchar.match(/\s/) && indenting) {
              indent++;
            } else {
              text += row.chars[c].uchar;
              indenting = false;
            }
          }
          //To be used for cleaning-up orphaned roll-up captions
          row.cueStartTime = startTime;
  
          // Give a slight bump to the endTime if it's equal to startTime to avoid a SyntaxError in IE
          if (startTime === endTime) {
            endTime += 0.0001;
          }
  
          cue = new VTTCue(startTime, endTime, (0, _vttparser.fixLineBreaks)(text.trim()));
  
          if (indent >= 16) {
            indent--;
          } else {
            indent++;
          }
  
          // VTTCue.line get's flakey when using controls, so let's now include line 13&14
          // also, drop line 1 since it's to close to the top
          if (navigator.userAgent.match(/Firefox\//)) {
            cue.line = r + 1;
          } else {
            cue.line = r > 7 ? r - 2 : r + 1;
          }
          cue.align = 'left';
          // Clamp the position between 0 and 100 - if out of these bounds, Firefox throws an exception and captions break
          cue.position = Math.max(0, Math.min(100, 100 * (indent / 32) + (navigator.userAgent.match(/Firefox\//) ? 50 : 0)));
          track.addCue(cue);
        }
      }
    }
  
  };
  
  module.exports = Cues;
  
  },{"56":56}],51:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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; }; }(); /*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        * EWMA Bandwidth Estimator
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        *  - heavily inspired from shaka-player
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        * Tracks bandwidth samples and estimates available bandwidth.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        * Based on the minimum of two exponentially-weighted moving averages with
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        * different half-lives.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        */
  
  var _ewma = _dereq_(52);
  
  var _ewma2 = _interopRequireDefault(_ewma);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var EwmaBandWidthEstimator = function () {
    function EwmaBandWidthEstimator(hls, slow, fast, defaultEstimate) {
      _classCallCheck(this, EwmaBandWidthEstimator);
  
      this.hls = hls;
      this.defaultEstimate_ = defaultEstimate;
      this.minWeight_ = 0.001;
      this.minDelayMs_ = 50;
      this.slow_ = new _ewma2.default(slow);
      this.fast_ = new _ewma2.default(fast);
    }
  
    _createClass(EwmaBandWidthEstimator, [{
      key: 'sample',
      value: function sample(durationMs, numBytes) {
        durationMs = Math.max(durationMs, this.minDelayMs_);
        var bandwidth = 8000 * numBytes / durationMs,
  
        //console.log('instant bw:'+ Math.round(bandwidth));
        // we weight sample using loading duration....
        weight = durationMs / 1000;
        this.fast_.sample(weight, bandwidth);
        this.slow_.sample(weight, bandwidth);
      }
    }, {
      key: 'canEstimate',
      value: function canEstimate() {
        var fast = this.fast_;
        return fast && fast.getTotalWeight() >= this.minWeight_;
      }
    }, {
      key: 'getEstimate',
      value: function getEstimate() {
        if (this.canEstimate()) {
          //console.log('slow estimate:'+ Math.round(this.slow_.getEstimate()));
          //console.log('fast estimate:'+ Math.round(this.fast_.getEstimate()));
          // Take the minimum of these two estimates.  This should have the effect of
          // adapting down quickly, but up more slowly.
          return Math.min(this.fast_.getEstimate(), this.slow_.getEstimate());
        } else {
          return this.defaultEstimate_;
        }
      }
    }, {
      key: 'destroy',
      value: function destroy() {}
    }]);
  
    return EwmaBandWidthEstimator;
  }();
  
  exports.default = EwmaBandWidthEstimator;
  
  },{"52":52}],52:[function(_dereq_,module,exports){
  "use strict";
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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; }; }();
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  /*
   * compute an Exponential Weighted moving average
   * - https://en.wikipedia.org/wiki/Moving_average#Exponential_moving_average
   *  - heavily inspired from shaka-player
   */
  
  var EWMA = function () {
  
    //  About half of the estimated value will be from the last |halfLife| samples by weight.
    function EWMA(halfLife) {
      _classCallCheck(this, EWMA);
  
      // Larger values of alpha expire historical data more slowly.
      this.alpha_ = halfLife ? Math.exp(Math.log(0.5) / halfLife) : 0;
      this.estimate_ = 0;
      this.totalWeight_ = 0;
    }
  
    _createClass(EWMA, [{
      key: "sample",
      value: function sample(weight, value) {
        var adjAlpha = Math.pow(this.alpha_, weight);
        this.estimate_ = value * (1 - adjAlpha) + adjAlpha * this.estimate_;
        this.totalWeight_ += weight;
      }
    }, {
      key: "getTotalWeight",
      value: function getTotalWeight() {
        return this.totalWeight_;
      }
    }, {
      key: "getEstimate",
      value: function getEstimate() {
        if (this.alpha_) {
          var zeroFactor = 1 - Math.pow(this.alpha_, this.totalWeight_);
          return this.estimate_ / zeroFactor;
        } else {
          return this.estimate_;
        }
      }
    }]);
  
    return EWMA;
  }();
  
  exports.default = EWMA;
  
  },{}],53:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  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; };
  
  function noop() {}
  
  var fakeLogger = {
    trace: noop,
    debug: noop,
    log: noop,
    warn: noop,
    info: noop,
    error: noop
  };
  
  var exportedLogger = fakeLogger;
  
  /*globals self: false */
  
  //let lastCallTime;
  // function formatMsgWithTimeInfo(type, msg) {
  //   const now = Date.now();
  //   const diff = lastCallTime ? '+' + (now - lastCallTime) : '0';
  //   lastCallTime = now;
  //   msg = (new Date(now)).toISOString() + ' | [' +  type + '] > ' + msg + ' ( ' + diff + ' ms )';
  //   return msg;
  // }
  
  function formatMsg(type, msg) {
    msg = '[' + type + '] > ' + msg;
    return msg;
  }
  
  function consolePrintFn(type) {
    var func = self.console[type];
    if (func) {
      return function () {
        for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
          args[_key] = arguments[_key];
        }
  
        if (args[0]) {
          args[0] = formatMsg(type, args[0]);
        }
        func.apply(self.console, args);
      };
    }
    return noop;
  }
  
  function exportLoggerFunctions(debugConfig) {
    for (var _len2 = arguments.length, functions = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
      functions[_key2 - 1] = arguments[_key2];
    }
  
    functions.forEach(function (type) {
      exportedLogger[type] = debugConfig[type] ? debugConfig[type].bind(debugConfig) : consolePrintFn(type);
    });
  }
  
  var enableLogs = exports.enableLogs = function enableLogs(debugConfig) {
    if (debugConfig === true || (typeof debugConfig === 'undefined' ? 'undefined' : _typeof(debugConfig)) === 'object') {
      exportLoggerFunctions(debugConfig,
      // Remove out from list here to hard-disable a log-level
      //'trace',
      'debug', 'log', 'info', 'warn', 'error');
      // Some browsers don't allow to use bind on console object anyway
      // fallback to default if needed
      try {
        exportedLogger.log();
      } catch (e) {
        exportedLogger = fakeLogger;
      }
    } else {
      exportedLogger = fakeLogger;
    }
  };
  
  var logger = exports.logger = exportedLogger;
  
  },{}],54:[function(_dereq_,module,exports){
  'use strict';
  
  /**
   *  TimeRanges to string helper
   */
  
  var TimeRanges = {
    toString: function toString(r) {
      var log = '',
          len = r.length;
      for (var i = 0; i < len; i++) {
        log += '[' + r.start(i).toFixed(3) + ',' + r.end(i).toFixed(3) + ']';
      }
      return log;
    }
  };
  
  module.exports = TimeRanges;
  
  },{}],55:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  /**
   * Copyright 2013 vtt.js Contributors
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  exports.default = function () {
    if (typeof window !== 'undefined' && window.VTTCue) {
      return window.VTTCue;
    }
  
    var autoKeyword = 'auto';
    var directionSetting = {
      '': true,
      lr: true,
      rl: true
    };
    var alignSetting = {
      start: true,
      middle: true,
      end: true,
      left: true,
      right: true
    };
  
    function findDirectionSetting(value) {
      if (typeof value !== 'string') {
        return false;
      }
      var dir = directionSetting[value.toLowerCase()];
      return dir ? value.toLowerCase() : false;
    }
  
    function findAlignSetting(value) {
      if (typeof value !== 'string') {
        return false;
      }
      var align = alignSetting[value.toLowerCase()];
      return align ? value.toLowerCase() : false;
    }
  
    function extend(obj) {
      var i = 1;
      for (; i < arguments.length; i++) {
        var cobj = arguments[i];
        for (var p in cobj) {
          obj[p] = cobj[p];
        }
      }
  
      return obj;
    }
  
    function VTTCue(startTime, endTime, text) {
      var cue = this;
      var isIE8 = function () {
        if (typeof navigator === 'undefined') {
          return;
        }
        return (/MSIE\s8\.0/.test(navigator.userAgent)
        );
      }();
      var baseObj = {};
  
      if (isIE8) {
        cue = document.createElement('custom');
      } else {
        baseObj.enumerable = true;
      }
  
      /**
       * Shim implementation specific properties. These properties are not in
       * the spec.
       */
  
      // Lets us know when the VTTCue's data has changed in such a way that we need
      // to recompute its display state. This lets us compute its display state
      // lazily.
      cue.hasBeenReset = false;
  
      /**
       * VTTCue and TextTrackCue properties
       * http://dev.w3.org/html5/webvtt/#vttcue-interface
       */
  
      var _id = '';
      var _pauseOnExit = false;
      var _startTime = startTime;
      var _endTime = endTime;
      var _text = text;
      var _region = null;
      var _vertical = '';
      var _snapToLines = true;
      var _line = 'auto';
      var _lineAlign = 'start';
      var _position = 50;
      var _positionAlign = 'middle';
      var _size = 50;
      var _align = 'middle';
  
      Object.defineProperty(cue, 'id', extend({}, baseObj, {
        get: function get() {
          return _id;
        },
        set: function set(value) {
          _id = '' + value;
        }
      }));
  
      Object.defineProperty(cue, 'pauseOnExit', extend({}, baseObj, {
        get: function get() {
          return _pauseOnExit;
        },
        set: function set(value) {
          _pauseOnExit = !!value;
        }
      }));
  
      Object.defineProperty(cue, 'startTime', extend({}, baseObj, {
        get: function get() {
          return _startTime;
        },
        set: function set(value) {
          if (typeof value !== 'number') {
            throw new TypeError('Start time must be set to a number.');
          }
          _startTime = value;
          this.hasBeenReset = true;
        }
      }));
  
      Object.defineProperty(cue, 'endTime', extend({}, baseObj, {
        get: function get() {
          return _endTime;
        },
        set: function set(value) {
          if (typeof value !== 'number') {
            throw new TypeError('End time must be set to a number.');
          }
          _endTime = value;
          this.hasBeenReset = true;
        }
      }));
  
      Object.defineProperty(cue, 'text', extend({}, baseObj, {
        get: function get() {
          return _text;
        },
        set: function set(value) {
          _text = '' + value;
          this.hasBeenReset = true;
        }
      }));
  
      Object.defineProperty(cue, 'region', extend({}, baseObj, {
        get: function get() {
          return _region;
        },
        set: function set(value) {
          _region = value;
          this.hasBeenReset = true;
        }
      }));
  
      Object.defineProperty(cue, 'vertical', extend({}, baseObj, {
        get: function get() {
          return _vertical;
        },
        set: function set(value) {
          var setting = findDirectionSetting(value);
          // Have to check for false because the setting an be an empty string.
          if (setting === false) {
            throw new SyntaxError('An invalid or illegal string was specified.');
          }
          _vertical = setting;
          this.hasBeenReset = true;
        }
      }));
  
      Object.defineProperty(cue, 'snapToLines', extend({}, baseObj, {
        get: function get() {
          return _snapToLines;
        },
        set: function set(value) {
          _snapToLines = !!value;
          this.hasBeenReset = true;
        }
      }));
  
      Object.defineProperty(cue, 'line', extend({}, baseObj, {
        get: function get() {
          return _line;
        },
        set: function set(value) {
          if (typeof value !== 'number' && value !== autoKeyword) {
            throw new SyntaxError('An invalid number or illegal string was specified.');
          }
          _line = value;
          this.hasBeenReset = true;
        }
      }));
  
      Object.defineProperty(cue, 'lineAlign', extend({}, baseObj, {
        get: function get() {
          return _lineAlign;
        },
        set: function set(value) {
          var setting = findAlignSetting(value);
          if (!setting) {
            throw new SyntaxError('An invalid or illegal string was specified.');
          }
          _lineAlign = setting;
          this.hasBeenReset = true;
        }
      }));
  
      Object.defineProperty(cue, 'position', extend({}, baseObj, {
        get: function get() {
          return _position;
        },
        set: function set(value) {
          if (value < 0 || value > 100) {
            throw new Error('Position must be between 0 and 100.');
          }
          _position = value;
          this.hasBeenReset = true;
        }
      }));
  
      Object.defineProperty(cue, 'positionAlign', extend({}, baseObj, {
        get: function get() {
          return _positionAlign;
        },
        set: function set(value) {
          var setting = findAlignSetting(value);
          if (!setting) {
            throw new SyntaxError('An invalid or illegal string was specified.');
          }
          _positionAlign = setting;
          this.hasBeenReset = true;
        }
      }));
  
      Object.defineProperty(cue, 'size', extend({}, baseObj, {
        get: function get() {
          return _size;
        },
        set: function set(value) {
          if (value < 0 || value > 100) {
            throw new Error('Size must be between 0 and 100.');
          }
          _size = value;
          this.hasBeenReset = true;
        }
      }));
  
      Object.defineProperty(cue, 'align', extend({}, baseObj, {
        get: function get() {
          return _align;
        },
        set: function set(value) {
          var setting = findAlignSetting(value);
          if (!setting) {
            throw new SyntaxError('An invalid or illegal string was specified.');
          }
          _align = setting;
          this.hasBeenReset = true;
        }
      }));
  
      /**
       * Other <track> spec defined properties
       */
  
      // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#text-track-cue-display-state
      cue.displayState = undefined;
  
      if (isIE8) {
        return cue;
      }
    }
  
    /**
     * VTTCue methods
     */
  
    VTTCue.prototype.getCueAsHTML = function () {
      // Assume WebVTT.convertCueToDOMTree is on the global.
      var WebVTT = window.WebVTT;
      return WebVTT.convertCueToDOMTree(window, this.text);
    };
  
    return VTTCue;
  }();
  
  },{}],56:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.fixLineBreaks = undefined;
  
  var _vttcue = _dereq_(55);
  
  var _vttcue2 = _interopRequireDefault(_vttcue);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  var StringDecoder = function StringDecoder() {
    return {
      decode: function decode(data) {
        if (!data) {
          return '';
        }
        if (typeof data !== 'string') {
          throw new Error('Error - expected string data.');
        }
        return decodeURIComponent(encodeURIComponent(data));
      }
    };
  }; /*
      * Source: https://github.com/mozilla/vtt.js/blob/master/dist/vtt.js#L1716
      */
  
  function VTTParser() {
    this.window = window;
    this.state = 'INITIAL';
    this.buffer = '';
    this.decoder = new StringDecoder();
    this.regionList = [];
  }
  
  // Try to parse input as a time stamp.
  function parseTimeStamp(input) {
  
    function computeSeconds(h, m, s, f) {
      return (h | 0) * 3600 + (m | 0) * 60 + (s | 0) + (f | 0) / 1000;
    }
  
    var m = input.match(/^(\d+):(\d{2})(:\d{2})?\.(\d{3})/);
    if (!m) {
      return null;
    }
  
    if (m[3]) {
      // Timestamp takes the form of [hours]:[minutes]:[seconds].[milliseconds]
      return computeSeconds(m[1], m[2], m[3].replace(':', ''), m[4]);
    } else if (m[1] > 59) {
      // Timestamp takes the form of [hours]:[minutes].[milliseconds]
      // First position is hours as it's over 59.
      return computeSeconds(m[1], m[2], 0, m[4]);
    } else {
      // Timestamp takes the form of [minutes]:[seconds].[milliseconds]
      return computeSeconds(0, m[1], m[2], m[4]);
    }
  }
  
  // A settings object holds key/value pairs and will ignore anything but the first
  // assignment to a specific key.
  function Settings() {
    this.values = Object.create(null);
  }
  
  Settings.prototype = {
    // Only accept the first assignment to any key.
    set: function set(k, v) {
      if (!this.get(k) && v !== '') {
        this.values[k] = v;
      }
    },
    // Return the value for a key, or a default value.
    // If 'defaultKey' is passed then 'dflt' is assumed to be an object with
    // a number of possible default values as properties where 'defaultKey' is
    // the key of the property that will be chosen; otherwise it's assumed to be
    // a single value.
    get: function get(k, dflt, defaultKey) {
      if (defaultKey) {
        return this.has(k) ? this.values[k] : dflt[defaultKey];
      }
      return this.has(k) ? this.values[k] : dflt;
    },
    // Check whether we have a value for a key.
    has: function has(k) {
      return k in this.values;
    },
    // Accept a setting if its one of the given alternatives.
    alt: function alt(k, v, a) {
      for (var n = 0; n < a.length; ++n) {
        if (v === a[n]) {
          this.set(k, v);
          break;
        }
      }
    },
    // Accept a setting if its a valid (signed) integer.
    integer: function integer(k, v) {
      if (/^-?\d+$/.test(v)) {
        // integer
        this.set(k, parseInt(v, 10));
      }
    },
    // Accept a setting if its a valid percentage.
    percent: function percent(k, v) {
      var m;
      if (m = v.match(/^([\d]{1,3})(\.[\d]*)?%$/)) {
        v = parseFloat(v);
        if (v >= 0 && v <= 100) {
          this.set(k, v);
          return true;
        }
      }
      return false;
    }
  };
  
  // Helper function to parse input into groups separated by 'groupDelim', and
  // interprete each group as a key/value pair separated by 'keyValueDelim'.
  function parseOptions(input, callback, keyValueDelim, groupDelim) {
    var groups = groupDelim ? input.split(groupDelim) : [input];
    for (var i in groups) {
      if (typeof groups[i] !== 'string') {
        continue;
      }
      var kv = groups[i].split(keyValueDelim);
      if (kv.length !== 2) {
        continue;
      }
      var k = kv[0];
      var v = kv[1];
      callback(k, v);
    }
  }
  
  var defaults = new _vttcue2.default(0, 0, 0);
  // 'middle' was changed to 'center' in the spec: https://github.com/w3c/webvtt/pull/244
  // Chrome and Safari don't yet support this change, but FF does
  var center = defaults.align === 'middle' ? 'middle' : 'center';
  
  function parseCue(input, cue, regionList) {
    // Remember the original input if we need to throw an error.
    var oInput = input;
    // 4.1 WebVTT timestamp
    function consumeTimeStamp() {
      var ts = parseTimeStamp(input);
      if (ts === null) {
        throw new Error('Malformed timestamp: ' + oInput);
      }
      // Remove time stamp from input.
      input = input.replace(/^[^\sa-zA-Z-]+/, '');
      return ts;
    }
  
    // 4.4.2 WebVTT cue settings
    function consumeCueSettings(input, cue) {
      var settings = new Settings();
  
      parseOptions(input, function (k, v) {
        switch (k) {
          case 'region':
            // Find the last region we parsed with the same region id.
            for (var i = regionList.length - 1; i >= 0; i--) {
              if (regionList[i].id === v) {
                settings.set(k, regionList[i].region);
                break;
              }
            }
            break;
          case 'vertical':
            settings.alt(k, v, ['rl', 'lr']);
            break;
          case 'line':
            var vals = v.split(','),
                vals0 = vals[0];
            settings.integer(k, vals0);
            if (settings.percent(k, vals0)) {
              settings.set('snapToLines', false);
            }
            settings.alt(k, vals0, ['auto']);
            if (vals.length === 2) {
              settings.alt('lineAlign', vals[1], ['start', center, 'end']);
            }
            break;
          case 'position':
            vals = v.split(',');
            settings.percent(k, vals[0]);
            if (vals.length === 2) {
              settings.alt('positionAlign', vals[1], ['start', center, 'end', 'line-left', 'line-right', 'auto']);
            }
            break;
          case 'size':
            settings.percent(k, v);
            break;
          case 'align':
            settings.alt(k, v, ['start', center, 'end', 'left', 'right']);
            break;
        }
      }, /:/, /\s/);
  
      // Apply default values for any missing fields.
      cue.region = settings.get('region', null);
      cue.vertical = settings.get('vertical', '');
      var line = settings.get('line', 'auto');
      if (line === 'auto' && defaults.line === -1) {
        // set numeric line number for Safari
        line = -1;
      }
      cue.line = line;
      cue.lineAlign = settings.get('lineAlign', 'start');
      cue.snapToLines = settings.get('snapToLines', true);
      cue.size = settings.get('size', 100);
      cue.align = settings.get('align', center);
      var position = settings.get('position', 'auto');
      if (position === 'auto' && defaults.position === 50) {
        // set numeric position for Safari
        position = cue.align === 'start' || cue.align === 'left' ? 0 : cue.align === 'end' || cue.align === 'right' ? 100 : 50;
      }
      cue.position = position;
    }
  
    function skipWhitespace() {
      input = input.replace(/^\s+/, '');
    }
  
    // 4.1 WebVTT cue timings.
    skipWhitespace();
    cue.startTime = consumeTimeStamp(); // (1) collect cue start time
    skipWhitespace();
    if (input.substr(0, 3) !== '-->') {
      // (3) next characters must match '-->'
      throw new Error('Malformed time stamp (time stamps must be separated by \'-->\'): ' + oInput);
    }
    input = input.substr(3);
    skipWhitespace();
    cue.endTime = consumeTimeStamp(); // (5) collect cue end time
  
    // 4.1 WebVTT cue settings list.
    skipWhitespace();
    consumeCueSettings(input, cue);
  }
  
  function fixLineBreaks(input) {
    return input.replace(/<br(?: \/)?>/gi, '\n');
  }
  
  VTTParser.prototype = {
    parse: function parse(data) {
      var self = this;
  
      // If there is no data then we won't decode it, but will just try to parse
      // whatever is in buffer already. This may occur in circumstances, for
      // example when flush() is called.
      if (data) {
        // Try to decode the data that we received.
        self.buffer += self.decoder.decode(data, { stream: true });
      }
  
      function collectNextLine() {
        var buffer = self.buffer;
        var pos = 0;
  
        buffer = fixLineBreaks(buffer);
  
        while (pos < buffer.length && buffer[pos] !== '\r' && buffer[pos] !== '\n') {
          ++pos;
        }
        var line = buffer.substr(0, pos);
        // Advance the buffer early in case we fail below.
        if (buffer[pos] === '\r') {
          ++pos;
        }
        if (buffer[pos] === '\n') {
          ++pos;
        }
        self.buffer = buffer.substr(pos);
        return line;
      }
  
      // 3.2 WebVTT metadata header syntax
      function parseHeader(input) {
        parseOptions(input, function (k, v) {
          switch (k) {
            case 'Region':
              // 3.3 WebVTT region metadata header syntax
              console.log('parse region', v);
              //parseRegion(v);
              break;
          }
        }, /:/);
      }
  
      // 5.1 WebVTT file parsing.
      try {
        var line;
        if (self.state === 'INITIAL') {
          // We can't start parsing until we have the first line.
          if (!/\r\n|\n/.test(self.buffer)) {
            return this;
          }
  
          line = collectNextLine();
  
          var m = line.match(/^WEBVTT([ \t].*)?$/);
          if (!m || !m[0]) {
            throw new Error('Malformed WebVTT signature.');
          }
  
          self.state = 'HEADER';
        }
  
        var alreadyCollectedLine = false;
        while (self.buffer) {
          // We can't parse a line until we have the full line.
          if (!/\r\n|\n/.test(self.buffer)) {
            return this;
          }
  
          if (!alreadyCollectedLine) {
            line = collectNextLine();
          } else {
            alreadyCollectedLine = false;
          }
  
          switch (self.state) {
            case 'HEADER':
              // 13-18 - Allow a header (metadata) under the WEBVTT line.
              if (/:/.test(line)) {
                parseHeader(line);
              } else if (!line) {
                // An empty line terminates the header and starts the body (cues).
                self.state = 'ID';
              }
              continue;
            case 'NOTE':
              // Ignore NOTE blocks.
              if (!line) {
                self.state = 'ID';
              }
              continue;
            case 'ID':
              // Check for the start of NOTE blocks.
              if (/^NOTE($|[ \t])/.test(line)) {
                self.state = 'NOTE';
                break;
              }
              // 19-29 - Allow any number of line terminators, then initialize new cue values.
              if (!line) {
                continue;
              }
              self.cue = new _vttcue2.default(0, 0, '');
              self.state = 'CUE';
              // 30-39 - Check if self line contains an optional identifier or timing data.
              if (line.indexOf('-->') === -1) {
                self.cue.id = line;
                continue;
              }
            // Process line as start of a cue.
            /*falls through*/
            case 'CUE':
              // 40 - Collect cue timings and settings.
              try {
                parseCue(line, self.cue, self.regionList);
              } catch (e) {
                // In case of an error ignore rest of the cue.
                self.cue = null;
                self.state = 'BADCUE';
                continue;
              }
              self.state = 'CUETEXT';
              continue;
            case 'CUETEXT':
              var hasSubstring = line.indexOf('-->') !== -1;
              // 34 - If we have an empty line then report the cue.
              // 35 - If we have the special substring '-->' then report the cue,
              // but do not collect the line as we need to process the current
              // one as a new cue.
              if (!line || hasSubstring && (alreadyCollectedLine = true)) {
                // We are done parsing self cue.
                if (self.oncue) {
                  self.oncue(self.cue);
                }
                self.cue = null;
                self.state = 'ID';
                continue;
              }
              if (self.cue.text) {
                self.cue.text += '\n';
              }
              self.cue.text += line;
              continue;
            case 'BADCUE':
              // BADCUE
              // 54-62 - Collect and discard the remaining cue.
              if (!line) {
                self.state = 'ID';
              }
              continue;
          }
        }
      } catch (e) {
  
        // If we are currently parsing a cue, report what we have.
        if (self.state === 'CUETEXT' && self.cue && self.oncue) {
          self.oncue(self.cue);
        }
        self.cue = null;
        // Enter BADWEBVTT state if header was not parsed correctly otherwise
        // another exception occurred so enter BADCUE state.
        self.state = self.state === 'INITIAL' ? 'BADWEBVTT' : 'BADCUE';
      }
      return this;
    },
    flush: function flush() {
      var self = this;
      try {
        // Finish decoding the stream.
        self.buffer += self.decoder.decode();
        // Synthesize the end of the current cue or region.
        if (self.cue || self.state === 'HEADER') {
          self.buffer += '\n\n';
          self.parse();
        }
        // If we've flushed, parsed, and we're still on the INITIAL state then
        // that means we don't have enough of the stream to parse the first
        // line.
        if (self.state === 'INITIAL') {
          throw new Error('Malformed WebVTT signature.');
        }
      } catch (e) {
        throw e;
      }
      if (self.onflush) {
        self.onflush();
      }
      return this;
    }
  };
  
  exports.fixLineBreaks = fixLineBreaks;
  exports.default = VTTParser;
  
  },{"55":55}],57:[function(_dereq_,module,exports){
  'use strict';
  
  var _vttparser = _dereq_(56);
  
  var _vttparser2 = _interopRequireDefault(_vttparser);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  // String.prototype.startsWith is not supported in IE11
  var startsWith = function startsWith(inputString, searchString, position) {
      return inputString.substr(position || 0, searchString.length) === searchString;
  };
  
  var cueString2millis = function cueString2millis(timeString) {
      var ts = parseInt(timeString.substr(-3));
      var secs = parseInt(timeString.substr(-6, 2));
      var mins = parseInt(timeString.substr(-9, 2));
      var hours = timeString.length > 9 ? parseInt(timeString.substr(0, timeString.indexOf(':'))) : 0;
  
      if (isNaN(ts) || isNaN(secs) || isNaN(mins) || isNaN(hours)) {
          return -1;
      }
  
      ts += 1000 * secs;
      ts += 60 * 1000 * mins;
      ts += 60 * 60 * 1000 * hours;
  
      return ts;
  };
  
  // From https://github.com/darkskyapp/string-hash
  var hash = function hash(text) {
      var hash = 5381;
      var i = text.length;
      while (i) {
          hash = hash * 33 ^ text.charCodeAt(--i);
      }
      return (hash >>> 0).toString();
  };
  
  var calculateOffset = function calculateOffset(vttCCs, cc, presentationTime) {
      var currCC = vttCCs[cc];
      var prevCC = vttCCs[currCC.prevCC];
  
      // This is the first discontinuity or cues have been processed since the last discontinuity
      // Offset = current discontinuity time
      if (!prevCC || !prevCC.new && currCC.new) {
          vttCCs.ccOffset = vttCCs.presentationOffset = currCC.start;
          currCC.new = false;
          return;
      }
  
      // There have been discontinuities since cues were last parsed.
      // Offset = time elapsed
      while (prevCC && prevCC.new) {
          vttCCs.ccOffset += currCC.start - prevCC.start;
          currCC.new = false;
          currCC = prevCC;
          prevCC = vttCCs[currCC.prevCC];
      }
  
      vttCCs.presentationOffset = presentationTime;
  };
  
  var WebVTTParser = {
      parse: function parse(vttByteArray, syncPTS, vttCCs, cc, callBack, errorCallBack) {
          // Convert byteArray into string, replacing any somewhat exotic linefeeds with "\n", then split on that character.
          var re = /\r\n|\n\r|\n|\r/g;
          var vttLines = String.fromCharCode.apply(null, new Uint8Array(vttByteArray)).trim().replace(re, '\n').split('\n');
          var cueTime = '00:00.000';
          var mpegTs = 0;
          var localTime = 0;
          var presentationTime = 0;
          var cues = [];
          var parsingError = void 0;
          var inHeader = true;
          // let VTTCue = VTTCue || window.TextTrackCue;
  
          // Create parser object using VTTCue with TextTrackCue fallback on certain browsers.
          var parser = new _vttparser2.default();
  
          parser.oncue = function (cue) {
              // Adjust cue timing; clamp cues to start no earlier than - and drop cues that don't end after - 0 on timeline.
              var currCC = vttCCs[cc];
              var cueOffset = vttCCs.ccOffset;
  
              // Update offsets for new discontinuities
              if (currCC && currCC.new) {
                  if (localTime !== undefined) {
                      // When local time is provided, offset = discontinuity start time - local time
                      cueOffset = vttCCs.ccOffset = currCC.start;
                  } else {
                      calculateOffset(vttCCs, cc, presentationTime);
                  }
              }
  
              if (presentationTime) {
                  // If we have MPEGTS, offset = presentation time + discontinuity offset
                  cueOffset = presentationTime + vttCCs.ccOffset - vttCCs.presentationOffset;
              }
  
              cue.startTime += cueOffset - localTime;
              cue.endTime += cueOffset - localTime;
  
              // Create a unique hash id for a cue based on start/end times and text.
              // This helps timeline-controller to avoid showing repeated captions.
              cue.id = hash(cue.startTime) + hash(cue.endTime) + hash(cue.text);
  
              // Fix encoding of special characters. TODO: Test with all sorts of weird characters.
              cue.text = decodeURIComponent(escape(cue.text));
              if (cue.endTime > 0) {
                  cues.push(cue);
              }
          };
  
          parser.onparsingerror = function (e) {
              parsingError = e;
          };
  
          parser.onflush = function () {
              if (parsingError && errorCallBack) {
                  errorCallBack(parsingError);
                  return;
              }
              callBack(cues);
          };
  
          // Go through contents line by line.
          vttLines.forEach(function (line) {
              if (inHeader) {
                  // Look for X-TIMESTAMP-MAP in header.
                  if (startsWith(line, 'X-TIMESTAMP-MAP=')) {
                      // Once found, no more are allowed anyway, so stop searching.
                      inHeader = false;
                      // Extract LOCAL and MPEGTS.
                      line.substr(16).split(',').forEach(function (timestamp) {
                          if (startsWith(timestamp, 'LOCAL:')) {
                              cueTime = timestamp.substr(6);
                          } else if (startsWith(timestamp, 'MPEGTS:')) {
                              mpegTs = parseInt(timestamp.substr(7));
                          }
                      });
                      try {
                          // Calculate subtitle offset in milliseconds.
                          // If sync PTS is less than zero, we have a 33-bit wraparound, which is fixed by adding 2^33 = 8589934592.
                          syncPTS = syncPTS < 0 ? syncPTS + 8589934592 : syncPTS;
                          // Adjust MPEGTS by sync PTS.
                          mpegTs -= syncPTS;
                          // Convert cue time to seconds
                          localTime = cueString2millis(cueTime) / 1000;
                          // Convert MPEGTS to seconds from 90kHz.
                          presentationTime = mpegTs / 90000;
  
                          if (localTime === -1) {
                              parsingError = new Error('Malformed X-TIMESTAMP-MAP: ' + line);
                          }
                      } catch (e) {
                          parsingError = new Error('Malformed X-TIMESTAMP-MAP: ' + line);
                      }
                      // Return without parsing X-TIMESTAMP-MAP line.
                      return;
                  } else if (line === '') {
                      inHeader = false;
                  }
              }
              // Parse line by default.
              parser.parse(line + '\n');
          });
  
          parser.flush();
      }
  };
  
  module.exports = WebVTTParser;
  
  },{"56":56}],58:[function(_dereq_,module,exports){
  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _createClass = 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; }; }(); /**
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        * XHR based logger
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       */
  
  var _logger = _dereq_(53);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var XhrLoader = function () {
    function XhrLoader(config) {
      _classCallCheck(this, XhrLoader);
  
      if (config && config.xhrSetup) {
        this.xhrSetup = config.xhrSetup;
      }
    }
  
    _createClass(XhrLoader, [{
      key: 'destroy',
      value: function destroy() {
        this.abort();
        this.loader = null;
      }
    }, {
      key: 'abort',
      value: function abort() {
        var loader = this.loader;
        if (loader && loader.readyState !== 4) {
          this.stats.aborted = true;
          loader.abort();
        }
  
        window.clearTimeout(this.requestTimeout);
        this.requestTimeout = null;
        window.clearTimeout(this.retryTimeout);
        this.retryTimeout = null;
      }
    }, {
      key: 'load',
      value: function load(context, config, callbacks) {
        this.context = context;
        this.config = config;
        this.callbacks = callbacks;
        this.stats = { trequest: performance.now(), retry: 0 };
        this.retryDelay = config.retryDelay;
        this.loadInternal();
      }
    }, {
      key: 'loadInternal',
      value: function loadInternal() {
        var xhr,
            context = this.context;
  
        if (typeof XDomainRequest !== 'undefined') {
          xhr = this.loader = new XDomainRequest();
        } else {
          xhr = this.loader = new XMLHttpRequest();
        }
        var stats = this.stats;
        stats.tfirst = 0;
        stats.loaded = 0;
        var xhrSetup = this.xhrSetup;
  
        try {
          if (xhrSetup) {
            try {
              xhrSetup(xhr, context.url);
            } catch (e) {
              // fix xhrSetup: (xhr, url) => {xhr.setRequestHeader("Content-Language", "test");}
              // not working, as xhr.setRequestHeader expects xhr.readyState === OPEN
              xhr.open('GET', context.url, true);
              xhrSetup(xhr, context.url);
            }
          }
          if (!xhr.readyState) {
            xhr.open('GET', context.url, true);
          }
        } catch (e) {
          // IE11 throws an exception on xhr.open if attempting to access an HTTP resource over HTTPS
          this.callbacks.onError({ code: xhr.status, text: e.message }, context);
          return;
        }
  
        if (context.rangeEnd) {
          xhr.setRequestHeader('Range', 'bytes=' + context.rangeStart + '-' + (context.rangeEnd - 1));
        }
        xhr.onreadystatechange = this.readystatechange.bind(this);
        xhr.onprogress = this.loadprogress.bind(this);
        xhr.responseType = context.responseType;
  
        // setup timeout before we perform request
        this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), this.config.timeout);
        xhr.send();
      }
    }, {
      key: 'readystatechange',
      value: function readystatechange(event) {
        var xhr = event.currentTarget,
            readyState = xhr.readyState,
            stats = this.stats,
            context = this.context,
            config = this.config;
  
        // don't proceed if xhr has been aborted
        if (stats.aborted) {
          return;
        }
  
        // >= HEADERS_RECEIVED
        if (readyState >= 2) {
          // clear xhr timeout and rearm it if readyState less than 4
          window.clearTimeout(this.requestTimeout);
          if (stats.tfirst === 0) {
            stats.tfirst = Math.max(performance.now(), stats.trequest);
          }
          if (readyState === 4) {
            var status = xhr.status;
            // http status between 200 to 299 are all successful
            if (status >= 200 && status < 300) {
              stats.tload = Math.max(stats.tfirst, performance.now());
              var data = void 0,
                  len = void 0;
              if (context.responseType === 'arraybuffer') {
                data = xhr.response;
                len = data.byteLength;
              } else {
                data = xhr.responseText;
                len = data.length;
              }
              stats.loaded = stats.total = len;
              var response = { url: xhr.responseURL, data: data };
              this.callbacks.onSuccess(response, stats, context);
            } else {
              // if max nb of retries reached or if http status between 400 and 499 (such error cannot be recovered, retrying is useless), return error
              if (stats.retry >= config.maxRetry || status >= 400 && status < 499) {
                _logger.logger.error(status + ' while loading ' + context.url);
                this.callbacks.onError({ code: status, text: xhr.statusText }, context);
              } else {
                // retry
                _logger.logger.warn(status + ' while loading ' + context.url + ', retrying in ' + this.retryDelay + '...');
                // aborts and resets internal state
                this.destroy();
                // schedule retry
                this.retryTimeout = window.setTimeout(this.loadInternal.bind(this), this.retryDelay);
                // set exponential backoff
                this.retryDelay = Math.min(2 * this.retryDelay, config.maxRetryDelay);
                stats.retry++;
              }
            }
          } else {
            // readyState >= 2 AND readyState !==4 (readyState = HEADERS_RECEIVED || LOADING) rearm timeout as xhr not finished yet
            this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), config.timeout);
          }
        }
      }
    }, {
      key: 'loadtimeout',
      value: function loadtimeout() {
        _logger.logger.warn('timeout while loading ' + this.context.url);
        this.callbacks.onTimeout(this.stats, this.context);
      }
    }, {
      key: 'loadprogress',
      value: function loadprogress(event) {
        var stats = this.stats;
        stats.loaded = event.loaded;
        if (event.lengthComputable) {
          stats.total = event.total;
        }
        var onProgress = this.callbacks.onProgress;
        if (onProgress) {
          // last args is to provide on progress data
          onProgress(stats, this.context, null);
        }
      }
    }]);
  
    return XhrLoader;
  }();
  
  exports.default = XhrLoader;
  
  },{"53":53}]},{},[40])(40)
  });
  //# sourceMappingURL=hls.js.map
  