diff --git a/dashboard-ui/bower_components/emby-webcomponents/recordingcreator/recordingeditor.js b/dashboard-ui/bower_components/emby-webcomponents/recordingcreator/recordingeditor.js
index 014e78a3a3..29d6fdcb41 100644
--- a/dashboard-ui/bower_components/emby-webcomponents/recordingcreator/recordingeditor.js
+++ b/dashboard-ui/bower_components/emby-webcomponents/recordingcreator/recordingeditor.js
@@ -1,4 +1,4 @@
-define(['dialogHelper', 'globalize', 'layoutManager', 'mediaInfo', 'apphost', 'connectionManager', 'require', 'loading', 'scrollHelper', 'scrollStyles', 'paper-checkbox', 'emby-button', 'emby-collapsible', 'emby-input', 'paper-icon-button-light', 'css!./../formdialog', 'css!./recordingcreator', 'material-icons'], function (dialogHelper, globalize, layoutManager, mediaInfo, appHost, connectionManager, require, loading, scrollHelper) {
+define(['dialogHelper', 'globalize', 'layoutManager', 'mediaInfo', 'apphost', 'connectionManager', 'require', 'loading', 'scrollHelper', 'scrollStyles', 'emby-button', 'emby-collapsible', 'emby-input', 'paper-icon-button-light', 'css!./../formdialog', 'css!./recordingcreator', 'material-icons'], function (dialogHelper, globalize, layoutManager, mediaInfo, appHost, connectionManager, require, loading, scrollHelper) {
var currentDialog;
var recordingUpdated = false;
diff --git a/dashboard-ui/bower_components/hls.js/.bower.json b/dashboard-ui/bower_components/hls.js/.bower.json
index 59053b961a..7b9654b4b0 100644
--- a/dashboard-ui/bower_components/hls.js/.bower.json
+++ b/dashboard-ui/bower_components/hls.js/.bower.json
@@ -1,6 +1,6 @@
{
"name": "hls.js",
- "version": "0.5.35",
+ "version": "0.5.36",
"license": "Apache-2.0",
"description": "Media Source Extension - HLS library, by/for Dailymotion",
"homepage": "https://github.com/dailymotion/hls.js",
@@ -16,11 +16,11 @@
"test",
"tests"
],
- "_release": "0.5.35",
+ "_release": "0.5.36",
"_resolution": {
"type": "version",
- "tag": "v0.5.35",
- "commit": "ae83fd3b6f87c2b62dd4ca7419589cefbfafc394"
+ "tag": "v0.5.36",
+ "commit": "a39814dc1e5be2516518a30edf9f1629e05dea27"
},
"_source": "git://github.com/dailymotion/hls.js.git",
"_target": "~0.5.7",
diff --git a/dashboard-ui/bower_components/hls.js/bower.json b/dashboard-ui/bower_components/hls.js/bower.json
index 39e797b701..3a5dd48519 100644
--- a/dashboard-ui/bower_components/hls.js/bower.json
+++ b/dashboard-ui/bower_components/hls.js/bower.json
@@ -1,6 +1,6 @@
{
"name": "hls.js",
- "version": "0.5.35",
+ "version": "0.5.36",
"license": "Apache-2.0",
"description": "Media Source Extension - HLS library, by/for Dailymotion",
"homepage": "https://github.com/dailymotion/hls.js",
diff --git a/dashboard-ui/bower_components/hls.js/demo/canvas.js b/dashboard-ui/bower_components/hls.js/demo/canvas.js
index 1ed910a1c4..ddf844030f 100644
--- a/dashboard-ui/bower_components/hls.js/demo/canvas.js
+++ b/dashboard-ui/bower_components/hls.js/demo/canvas.js
@@ -535,7 +535,7 @@
ctx.fillStyle = "black";
ctx.font = "15px Arial";
legend = event.type;
- if (event.name) legend+= ':' + event.name;
+ if (event.name !== undefined) legend+= ':' + event.name;
ctx.fillText(legend,5,yoffset+15);
diff --git a/dashboard-ui/bower_components/hls.js/dist/hls.js b/dashboard-ui/bower_components/hls.js/dist/hls.js
index c4178e8c4b..89d1be1940 100644
--- a/dashboard-ui/bower_components/hls.js/dist/hls.js
+++ b/dashboard-ui/bower_components/hls.js/dist/hls.js
@@ -646,10 +646,16 @@ var BufferController = function (_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, Object.getPrototypeOf(BufferController).call(this, hls, _events2.default.MEDIA_ATTACHING, _events2.default.MEDIA_DETACHING, _events2.default.BUFFER_RESET, _events2.default.BUFFER_APPENDING, _events2.default.BUFFER_CODECS, _events2.default.BUFFER_EOS, _events2.default.BUFFER_FLUSHING, _events2.default.LEVEL_UPDATED));
+
+ _this._msDuration = null;
+ // the value that we want to set mediaSource.duration to
+ _this._levelDuration = null;
+
// Source Buffer listeners
-
- var _this = _possibleConstructorReturn(this, Object.getPrototypeOf(BufferController).call(this, hls, _events2.default.MEDIA_ATTACHING, _events2.default.MEDIA_DETACHING, _events2.default.BUFFER_RESET, _events2.default.BUFFER_APPENDING, _events2.default.BUFFER_CODECS, _events2.default.BUFFER_EOS, _events2.default.BUFFER_FLUSHING));
-
_this.onsbue = _this.onSBUpdateEnd.bind(_this);
_this.onsbe = _this.onSBUpdateError.bind(_this);
return _this;
@@ -852,6 +858,50 @@ var BufferController = function (_EventHandler) {
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/dailymotion/hls.js/issues/355
+
+ }, {
+ key: 'updateMediaElementDuration',
+ value: function updateMediaElementDuration() {
+ if (this._levelDuration === null) {
+ return;
+ }
+ var media = this.media;
+ var mediaSource = this.mediaSource;
+ if (!media || !mediaSource || media.readyState === 0 || mediaSource.readyState !== 'open') {
+ return;
+ }
+ for (var type in mediaSource.sourceBuffers) {
+ if (mediaSource.sourceBuffers[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;
+ }
+ // this._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, as they
+ if (this._levelDuration > this._msDuration) {
+ _logger.logger.log('Updating mediasource duration to ' + this._levelDuration);
+ mediaSource.duration = this._levelDuration;
+ this._msDuration = this._levelDuration;
+ }
+ }
}, {
key: 'doFlush',
value: function doFlush() {
@@ -1183,8 +1233,6 @@ var EwmaBandWidthEstimator = function () {
this.defaultEstimate_ = 5e5; // 500kbps
this.minWeight_ = 0.001;
this.minDelayMs_ = 50;
- this.fast_ = new _ewma2.default(hls.config.abrEwmaFast);
- this.slow_ = new _ewma2.default(hls.config.abrEwmaSlow);
}
_createClass(EwmaBandWidthEstimator, [{
@@ -1195,6 +1243,14 @@ var EwmaBandWidthEstimator = function () {
//console.log('instant bw:'+ Math.round(bandwidth));
// we weight sample using loading duration....
var weigth = durationMs / 1000;
+
+ // lazy initialization. this allows to take into account config param changes that could happen after Hls instantiation,
+ // but before first fragment loading. this is useful to A/B tests those params
+ if (!this.fast_) {
+ var config = this.hls.config;
+ this.fast_ = new _ewma2.default(config.abrEwmaFast);
+ this.slow_ = new _ewma2.default(config.abrEwmaSlow);
+ }
this.fast_.sample(weigth, bandwidth);
this.slow_.sample(weigth, bandwidth);
}
@@ -1726,13 +1782,13 @@ var StreamController = function (_EventHandler) {
}, {
key: 'doTick',
value: function doTick() {
- var _this2 = this;
-
var pos,
level,
levelDetails,
hls = this.hls,
- config = hls.config;
+ config = hls.config,
+ media = this.media,
+ isSeeking = media && media.seeking;
//logger.log(this.state);
switch (this.state) {
case State.ERROR:
@@ -1759,7 +1815,7 @@ var StreamController = function (_EventHandler) {
// 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)) {
+ if (!media && (this.startFragRequested || !config.startFragPrefetch)) {
break;
}
// determine next candidate fragment to be loaded, based on current position and
@@ -1767,12 +1823,12 @@ var StreamController = function (_EventHandler) {
// ensure 60s of buffer upfront
// if we have not yet loaded any fragment, start loading from start position
if (this.loadedmetadata) {
- pos = this.media.currentTime;
+ pos = media.currentTime;
} else {
pos = this.nextLoadPosition;
}
level = hls.nextLoadLevel;
- var bufferInfo = _bufferHelper2.default.bufferInfo(this.media, pos, config.maxBufferHole),
+ var bufferInfo = _bufferHelper2.default.bufferInfo(media, pos, config.maxBufferHole),
bufferLen = bufferInfo.len,
bufferEnd = bufferInfo.end,
fragPrevious = this.fragPrevious,
@@ -1807,7 +1863,7 @@ var StreamController = function (_EventHandler) {
// in case of live playlist we need to ensure that requested position is not located before playlist start
if (levelDetails.live) {
// 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}`);
+ //logger.log(`start/pos/bufEnd/seeking:${start.toFixed(3)}/${pos.toFixed(3)}/${bufferEnd.toFixed(3)}/${media.seeking}`);
var maxLatency = config.liveMaxLatencyDuration !== undefined ? config.liveMaxLatencyDuration : config.liveMaxLatencyDurationCount * levelDetails.targetduration;
if (bufferEnd < Math.max(start, end - maxLatency)) {
@@ -1858,13 +1914,13 @@ var StreamController = function (_EventHandler) {
}
if (!frag) {
(function () {
- var foundFrag = void 0;
var maxFragLookUpTolerance = config.maxFragLookUpTolerance;
if (bufferEnd < end) {
- if (bufferEnd > end - maxFragLookUpTolerance) {
+ // no frag look up tolerance in case bufferEnd close to end, or media seeking
+ if (bufferEnd > end - maxFragLookUpTolerance || isSeeking) {
maxFragLookUpTolerance = 0;
}
- foundFrag = _binarySearch2.default.search(fragments, function (candidate) {
+ frag = _binarySearch2.default.search(fragments, function (candidate) {
// offset should be within fragment boundary - config.maxFragLookUpTolerance
// this is to cope with situations like
// bufferEnd = 9.991
@@ -1887,35 +1943,32 @@ var StreamController = function (_EventHandler) {
});
} 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 < levelDetails.endSN) {
- frag = fragments[frag.sn + 1 - levelDetails.startSN];
- _logger.logger.log('SN just loaded, load next one: ' + frag.sn);
- } else {
- // have we reached end of VOD playlist ?
- if (!levelDetails.live) {
- // Finalize the media stream
- _this2.hls.trigger(_events2.default.BUFFER_EOS);
- // We might be loading the last fragment but actually the media
- // is currently processing a seek command and waiting for new data to resume at another point.
- // Going to ended state while media is seeking can spawn an infinite buffering broken state.
- if (!_this2.media.seeking) {
- _this2.state = State.ENDED;
- }
- }
- frag = null;
- }
- }
+ frag = fragments[fragLen - 1];
}
})();
}
if (frag) {
+ start = frag.start;
+ //logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn);
+ if (fragPrevious && frag.level === fragPrevious.level && frag.sn === fragPrevious.sn) {
+ if (frag.sn < levelDetails.endSN) {
+ frag = fragments[frag.sn + 1 - levelDetails.startSN];
+ _logger.logger.log('SN just loaded, load next one: ' + frag.sn);
+ } else {
+ // have we reached end of VOD playlist ?
+ if (!levelDetails.live) {
+ // Finalize the media stream
+ this.hls.trigger(_events2.default.BUFFER_EOS);
+ // We might be loading the last fragment but actually the media
+ // is currently processing a seek command and waiting for new data to resume at another point.
+ // Going to ended state while media is seeking can spawn an infinite buffering broken state.
+ if (!isSeeking) {
+ this.state = State.ENDED;
+ }
+ }
+ return;
+ }
+ }
//logger.log(' loading frag ' + i +',pos/bufEnd:' + pos.toFixed(3) + '/' + bufferEnd.toFixed(3));
if (frag.decryptdata.uri != null && frag.decryptdata.key == null) {
_logger.logger.log('Loading key for ' + frag.sn + ' of [' + levelDetails.startSN + ' ,' + levelDetails.endSN + '],level ' + level);
@@ -1964,8 +2017,6 @@ var StreamController = function (_EventHandler) {
case State.FRAG_LOADING_WAITING_RETRY:
var now = performance.now();
var retryDate = this.retryDate;
- var 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('mediaController: retryDate reached, switch back to IDLE state');
@@ -2486,7 +2537,7 @@ var StreamController = function (_EventHandler) {
}, {
key: 'onFragParsingData',
value: function onFragParsingData(data) {
- var _this3 = this;
+ var _this2 = this;
if (this.state === State.PARSING) {
this.tparse2 = Date.now();
@@ -2501,7 +2552,7 @@ var StreamController = function (_EventHandler) {
[data.data1, data.data2].forEach(function (buffer) {
if (buffer) {
- _this3.pendingAppending++;
+ _this2.pendingAppending++;
hls.trigger(_events2.default.BUFFER_APPENDING, { type: data.type, data: buffer });
}
});
@@ -2645,8 +2696,11 @@ var StreamController = function (_EventHandler) {
_logger.logger.log('target seek position:' + targetSeekPosition);
}
var bufferInfo = _bufferHelper2.default.bufferInfo(media, currentTime, 0),
- expectedPlaying = !(media.paused || media.ended || media.seeking || media.buffered.length === 0),
- jumpThreshold = 0.4,
+ 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 = 0.4,
// tolerance needed as some browsers stalls playback before reaching buffered range end
playheadMoving = currentTime > media.playbackRate * this.lastCurrentTime;
@@ -2678,7 +2732,7 @@ var StreamController = function (_EventHandler) {
// 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 < this.config.maxSeekHole && delta > 0 && !media.seeking) {
+ if (nextBufferStart && delta < this.config.maxSeekHole && delta > 0) {
// 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 ' + this.seekHoleNudgeDuration);
diff --git a/dashboard-ui/bower_components/hls.js/dist/hls.js.map b/dashboard-ui/bower_components/hls.js/dist/hls.js.map
index 8f93f5ddb2..96b8321af2 100644
--- a/dashboard-ui/bower_components/hls.js/dist/hls.js.map
+++ b/dashboard-ui/bower_components/hls.js/dist/hls.js.map
@@ -44,7 +44,7 @@
"src/utils/xhr-loader.js"
],
"names": [],
- "mappings": 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"file": "generated.js",
"sourceRoot": "",
"sourcesContent": [
@@ -52,11 +52,11 @@
"// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\nfunction EventEmitter() {\n this._events = this._events || {};\n this._maxListeners = this._maxListeners || undefined;\n}\nmodule.exports = EventEmitter;\n\n// Backwards-compat with node 0.10.x\nEventEmitter.EventEmitter = EventEmitter;\n\nEventEmitter.prototype._events = undefined;\nEventEmitter.prototype._maxListeners = undefined;\n\n// By default EventEmitters will print a warning if more than 10 listeners are\n// added to it. This is a useful default which helps finding memory leaks.\nEventEmitter.defaultMaxListeners = 10;\n\n// Obviously not all Emitters should be limited to 10. This function allows\n// that to be increased. Set to zero for unlimited.\nEventEmitter.prototype.setMaxListeners = function(n) {\n if (!isNumber(n) || n < 0 || isNaN(n))\n throw TypeError('n must be a positive number');\n this._maxListeners = n;\n return this;\n};\n\nEventEmitter.prototype.emit = function(type) {\n var er, handler, len, args, i, listeners;\n\n if (!this._events)\n this._events = {};\n\n // If there is no 'error' event listener then throw.\n if (type === 'error') {\n if (!this._events.error ||\n (isObject(this._events.error) && !this._events.error.length)) {\n er = arguments[1];\n if (er instanceof Error) {\n throw er; // Unhandled 'error' event\n }\n throw TypeError('Uncaught, unspecified \"error\" event.');\n }\n }\n\n handler = this._events[type];\n\n if (isUndefined(handler))\n return false;\n\n if (isFunction(handler)) {\n switch (arguments.length) {\n // fast cases\n case 1:\n handler.call(this);\n break;\n case 2:\n handler.call(this, arguments[1]);\n break;\n case 3:\n handler.call(this, arguments[1], arguments[2]);\n break;\n // slower\n default:\n args = Array.prototype.slice.call(arguments, 1);\n handler.apply(this, args);\n }\n } else if (isObject(handler)) {\n args = Array.prototype.slice.call(arguments, 1);\n listeners = handler.slice();\n len = listeners.length;\n for (i = 0; i < len; i++)\n listeners[i].apply(this, args);\n }\n\n return true;\n};\n\nEventEmitter.prototype.addListener = function(type, listener) {\n var m;\n\n if (!isFunction(listener))\n throw TypeError('listener must be a function');\n\n if (!this._events)\n this._events = {};\n\n // To avoid recursion in the case that type === \"newListener\"! Before\n // adding it to the listeners, first emit \"newListener\".\n if (this._events.newListener)\n this.emit('newListener', type,\n isFunction(listener.listener) ?\n listener.listener : listener);\n\n if (!this._events[type])\n // Optimize the case of one listener. Don't need the extra array object.\n this._events[type] = listener;\n else if (isObject(this._events[type]))\n // If we've already got an array, just append.\n this._events[type].push(listener);\n else\n // Adding the second element, need to change to array.\n this._events[type] = [this._events[type], listener];\n\n // Check for listener leak\n if (isObject(this._events[type]) && !this._events[type].warned) {\n if (!isUndefined(this._maxListeners)) {\n m = this._maxListeners;\n } else {\n m = EventEmitter.defaultMaxListeners;\n }\n\n if (m && m > 0 && this._events[type].length > m) {\n this._events[type].warned = true;\n console.error('(node) warning: possible EventEmitter memory ' +\n 'leak detected. %d listeners added. ' +\n 'Use emitter.setMaxListeners() to increase limit.',\n this._events[type].length);\n if (typeof console.trace === 'function') {\n // not supported in IE 10\n console.trace();\n }\n }\n }\n\n return this;\n};\n\nEventEmitter.prototype.on = EventEmitter.prototype.addListener;\n\nEventEmitter.prototype.once = function(type, listener) {\n if (!isFunction(listener))\n throw TypeError('listener must be a function');\n\n var fired = false;\n\n function g() {\n this.removeListener(type, g);\n\n if (!fired) {\n fired = true;\n listener.apply(this, arguments);\n }\n }\n\n g.listener = listener;\n this.on(type, g);\n\n return this;\n};\n\n// emits a 'removeListener' event iff the listener was removed\nEventEmitter.prototype.removeListener = function(type, listener) {\n var list, position, length, i;\n\n if (!isFunction(listener))\n throw TypeError('listener must be a function');\n\n if (!this._events || !this._events[type])\n return this;\n\n list = this._events[type];\n length = list.length;\n position = -1;\n\n if (list === listener ||\n (isFunction(list.listener) && list.listener === listener)) {\n delete this._events[type];\n if (this._events.removeListener)\n this.emit('removeListener', type, listener);\n\n } else if (isObject(list)) {\n for (i = length; i-- > 0;) {\n if (list[i] === listener ||\n (list[i].listener && list[i].listener === listener)) {\n position = i;\n break;\n }\n }\n\n if (position < 0)\n return this;\n\n if (list.length === 1) {\n list.length = 0;\n delete this._events[type];\n } else {\n list.splice(position, 1);\n }\n\n if (this._events.removeListener)\n this.emit('removeListener', type, listener);\n }\n\n return this;\n};\n\nEventEmitter.prototype.removeAllListeners = function(type) {\n var key, listeners;\n\n if (!this._events)\n return this;\n\n // not listening for removeListener, no need to emit\n if (!this._events.removeListener) {\n if (arguments.length === 0)\n this._events = {};\n else if (this._events[type])\n delete this._events[type];\n return this;\n }\n\n // emit removeListener for all listeners on all events\n if (arguments.length === 0) {\n for (key in this._events) {\n if (key === 'removeListener') continue;\n this.removeAllListeners(key);\n }\n this.removeAllListeners('removeListener');\n this._events = {};\n return this;\n }\n\n listeners = this._events[type];\n\n if (isFunction(listeners)) {\n this.removeListener(type, listeners);\n } else if (listeners) {\n // LIFO order\n while (listeners.length)\n this.removeListener(type, listeners[listeners.length - 1]);\n }\n delete this._events[type];\n\n return this;\n};\n\nEventEmitter.prototype.listeners = function(type) {\n var ret;\n if (!this._events || !this._events[type])\n ret = [];\n else if (isFunction(this._events[type]))\n ret = [this._events[type]];\n else\n ret = this._events[type].slice();\n return ret;\n};\n\nEventEmitter.prototype.listenerCount = function(type) {\n if (this._events) {\n var evlistener = this._events[type];\n\n if (isFunction(evlistener))\n return 1;\n else if (evlistener)\n return evlistener.length;\n }\n return 0;\n};\n\nEventEmitter.listenerCount = function(emitter, type) {\n return emitter.listenerCount(type);\n};\n\nfunction isFunction(arg) {\n return typeof arg === 'function';\n}\n\nfunction isNumber(arg) {\n return typeof arg === 'number';\n}\n\nfunction isObject(arg) {\n return typeof arg === 'object' && arg !== null;\n}\n\nfunction isUndefined(arg) {\n return arg === void 0;\n}\n",
"var bundleFn = arguments[3];\nvar sources = arguments[4];\nvar cache = arguments[5];\n\nvar stringify = JSON.stringify;\n\nmodule.exports = function (fn) {\n var keys = [];\n var wkey;\n var cacheKeys = Object.keys(cache);\n\n for (var i = 0, l = cacheKeys.length; i < l; i++) {\n var key = cacheKeys[i];\n var exp = cache[key].exports;\n // Using babel as a transpiler to use esmodule, the export will always\n // be an object with the default export as a property of it. To ensure\n // the existing api and babel esmodule exports are both supported we\n // check for both\n if (exp === fn || exp.default === fn) {\n wkey = key;\n break;\n }\n }\n\n if (!wkey) {\n wkey = Math.floor(Math.pow(16, 8) * Math.random()).toString(16);\n var wcache = {};\n for (var i = 0, l = cacheKeys.length; i < l; i++) {\n var key = cacheKeys[i];\n wcache[key] = key;\n }\n sources[wkey] = [\n Function(['require','module','exports'], '(' + fn + ')(self)'),\n wcache\n ];\n }\n var skey = Math.floor(Math.pow(16, 8) * Math.random()).toString(16);\n\n var scache = {}; scache[wkey] = wkey;\n sources[skey] = [\n Function(['require'], (\n // try to call default if defined to also support babel esmodule\n // exports\n 'var f = require(' + stringify(wkey) + ');' +\n '(f.default ? f.default : f)(self);'\n )),\n scache\n ];\n\n var src = '(' + bundleFn + ')({'\n + Object.keys(sources).map(function (key) {\n return stringify(key) + ':['\n + sources[key][0]\n + ',' + stringify(sources[key][1]) + ']'\n ;\n }).join(',')\n + '},{},[' + stringify(skey) + '])'\n ;\n\n var URL = window.URL || window.webkitURL || window.mozURL || window.msURL;\n\n return new Worker(URL.createObjectURL(\n new Blob([src], { type: 'text/javascript' })\n ));\n};\n",
"/*\n * simple ABR Controller\n * - compute next level based on last fragment bw heuristics\n * - implement an abandon rules triggered if we have less than 2 frag buffered and if computed bw shows that we risk buffer stalling\n */\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport BufferHelper from '../helper/buffer-helper';\nimport {ErrorDetails} from '../errors';\nimport {logger} from '../utils/logger';\nimport EwmaBandWidthEstimator from './ewma-bandwidth-estimator';\n\nclass AbrController extends EventHandler {\n\n constructor(hls) {\n super(hls, Event.FRAG_LOADING,\n Event.FRAG_LOADED,\n Event.ERROR);\n this.lastLoadedFragLevel = 0;\n this._autoLevelCapping = -1;\n this._nextAutoLevel = -1;\n this.hls = hls;\n this.bwEstimator = new EwmaBandWidthEstimator(hls);\n this.onCheck = this.abandonRulesCheck.bind(this);\n }\n\n destroy() {\n this.clearTimer();\n EventHandler.prototype.destroy.call(this);\n }\n\n onFragLoading(data) {\n if (!this.timer) {\n this.timer = setInterval(this.onCheck, 100);\n }\n this.fragCurrent = data.frag;\n }\n\n abandonRulesCheck() {\n /*\n monitor fragment retrieval time...\n we compute expected time of arrival of the complete fragment.\n we compare it to expected time of buffer starvation\n */\n let hls = this.hls, v = hls.media,frag = this.fragCurrent;\n\n // if loader has been destroyed or loading has been aborted, stop timer and return\n if(!frag.loader || ( frag.loader.stats && frag.loader.stats.aborted)) {\n logger.warn(`frag loader destroy or aborted, disarm abandonRulesCheck`);\n this.clearTimer();\n return;\n }\n /* only monitor frag retrieval time if\n (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) */\n if (v && (!v.paused || !v.readyState) && frag.autoLevel && frag.level) {\n let requestDelay = performance.now() - frag.trequest;\n // monitor fragment load progress after half of expected fragment duration,to stabilize bitrate\n if (requestDelay > (500 * frag.duration)) {\n let loadRate = Math.max(1,frag.loaded * 1000 / requestDelay); // byte/s; at least 1 byte/s to avoid division by zero\n if (frag.expectedLen < frag.loaded) {\n frag.expectedLen = frag.loaded;\n }\n let pos = v.currentTime;\n let fragLoadedDelay = (frag.expectedLen - frag.loaded) / loadRate;\n let bufferStarvationDelay = BufferHelper.bufferInfo(v,pos,hls.config.maxBufferHole).end - pos;\n // consider emergency switch down only if we have less than 2 frag buffered AND\n // time to finish loading current fragment is bigger than buffer starvation delay\n // ie if we risk buffer starvation if bw does not increase quickly\n if (bufferStarvationDelay < 2*frag.duration && fragLoadedDelay > bufferStarvationDelay) {\n let fragLevelNextLoadedDelay, nextLoadLevel;\n // lets iterate through lower level and try to find the biggest one that could avoid rebuffering\n // we start from current level - 1 and we step down , until we find a matching level\n for (nextLoadLevel = frag.level - 1 ; nextLoadLevel >=0 ; nextLoadLevel--) {\n // compute time to load next fragment at lower level\n // 0.8 : consider only 80% of current bw to be conservative\n // 8 = bits per byte (bps/Bps)\n fragLevelNextLoadedDelay = frag.duration * hls.levels[nextLoadLevel].bitrate / (8 * 0.8 * loadRate);\n logger.log(`fragLoadedDelay/bufferStarvationDelay/fragLevelNextLoadedDelay[${nextLoadLevel}] :${fragLoadedDelay.toFixed(1)}/${bufferStarvationDelay.toFixed(1)}/${fragLevelNextLoadedDelay.toFixed(1)}`);\n if (fragLevelNextLoadedDelay < bufferStarvationDelay) {\n // we found a lower level that be rebuffering free with current estimated bw !\n break;\n }\n }\n // only emergency switch down if it takes less time to load new fragment at lowest level instead\n // of finishing loading current one ...\n if (fragLevelNextLoadedDelay < fragLoadedDelay) {\n // ensure nextLoadLevel is not negative\n nextLoadLevel = Math.max(0,nextLoadLevel);\n // force next load level in auto mode\n hls.nextLoadLevel = nextLoadLevel;\n // update bw estimate for this fragment before cancelling load (this will help reducing the bw)\n this.bwEstimator.sample(requestDelay,frag.loaded);\n // abort fragment loading ...\n logger.warn(`loading too slow, abort fragment loading and switch to level ${nextLoadLevel}`);\n //abort fragment loading\n frag.loader.abort();\n this.clearTimer();\n hls.trigger(Event.FRAG_LOAD_EMERGENCY_ABORTED, {frag: frag});\n }\n }\n }\n }\n }\n\n onFragLoaded(data) {\n var stats = data.stats;\n // only update stats on first frag loading\n // if same frag is loaded multiple times, it might be in browser cache, and loaded quickly\n // and leading to wrong bw estimation\n if (stats.aborted === undefined && data.frag.loadCounter === 1) {\n this.bwEstimator.sample(performance.now() - stats.trequest,stats.loaded);\n }\n\n // stop monitoring bw once frag loaded\n this.clearTimer();\n // store level id after successful fragment load\n this.lastLoadedFragLevel = data.frag.level;\n // reset forced auto level value so that next level will be selected\n this._nextAutoLevel = -1;\n }\n\n onError(data) {\n // stop timer in case of frag loading error\n switch(data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n this.clearTimer();\n break;\n default:\n break;\n }\n }\n\n clearTimer() {\n if (this.timer) {\n clearInterval(this.timer);\n this.timer = null;\n }\n }\n\n /** Return the capping/max level value that could be used by automatic level selection algorithm **/\n get autoLevelCapping() {\n return this._autoLevelCapping;\n }\n\n /** set the capping/max level value that could be used by automatic level selection algorithm **/\n set autoLevelCapping(newLevel) {\n this._autoLevelCapping = newLevel;\n }\n\n get nextAutoLevel() {\n var hls = this.hls, i, maxAutoLevel, levels = hls.levels, config = hls.config;\n if (this._autoLevelCapping === -1 && levels && levels.length) {\n maxAutoLevel = levels.length - 1;\n } else {\n maxAutoLevel = this._autoLevelCapping;\n }\n\n // in case next auto level has been forced, return it straight-away (but capped)\n if (this._nextAutoLevel !== -1) {\n return Math.min(this._nextAutoLevel,maxAutoLevel);\n }\n\n let avgbw = this.bwEstimator.getEstimate(),adjustedbw;\n // follow algorithm captured from stagefright :\n // https://android.googlesource.com/platform/frameworks/av/+/master/media/libstagefright/httplive/LiveSession.cpp\n // Pick the highest bandwidth stream below or equal to estimated bandwidth.\n for (i = 0; i <= maxAutoLevel; i++) {\n // consider only 80% of the available bandwidth, but if we are switching up,\n // be even more conservative (70%) to avoid overestimating and immediately\n // switching back.\n if (i <= this.lastLoadedFragLevel) {\n adjustedbw = config.abrBandWidthFactor * avgbw;\n } else {\n adjustedbw = config.abrBandWidthUpFactor * avgbw;\n }\n if (adjustedbw < levels[i].bitrate) {\n return Math.max(0, i - 1);\n }\n }\n return i - 1;\n }\n\n set nextAutoLevel(nextLevel) {\n this._nextAutoLevel = nextLevel;\n }\n}\n\nexport default AbrController;\n\n",
- "/*\n * Buffer Controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport {logger} from '../utils/logger';\nimport {ErrorTypes, ErrorDetails} from '../errors';\n\n\nclass BufferController extends EventHandler {\n\n constructor(hls) {\n super(hls,\n Event.MEDIA_ATTACHING,\n Event.MEDIA_DETACHING,\n Event.BUFFER_RESET,\n Event.BUFFER_APPENDING,\n Event.BUFFER_CODECS,\n Event.BUFFER_EOS,\n Event.BUFFER_FLUSHING);\n\n // Source Buffer listeners\n this.onsbue = this.onSBUpdateEnd.bind(this);\n this.onsbe = this.onSBUpdateError.bind(this);\n }\n\n destroy() {\n EventHandler.prototype.destroy.call(this);\n }\n\n onMediaAttaching(data) {\n let media = this.media = data.media;\n if (media) {\n // setup the media source\n var ms = this.mediaSource = new MediaSource();\n //Media Source listeners\n this.onmso = this.onMediaSourceOpen.bind(this);\n this.onmse = this.onMediaSourceEnded.bind(this);\n this.onmsc = this.onMediaSourceClose.bind(this);\n ms.addEventListener('sourceopen', this.onmso);\n ms.addEventListener('sourceended', this.onmse);\n ms.addEventListener('sourceclose', this.onmsc);\n // link video and media Source\n media.src = URL.createObjectURL(ms);\n }\n }\n\n onMediaDetaching() {\n var ms = this.mediaSource;\n if (ms) {\n if (ms.readyState === 'open') {\n try {\n // endOfStream could trigger exception if any sourcebuffer is in updating state\n // we don't really care about checking sourcebuffer state here,\n // as we are anyway detaching the MediaSource\n // let's just avoid this exception to propagate\n ms.endOfStream();\n } catch(err) {\n logger.warn(`onMediaDetaching:${err.message} while calling endOfStream`);\n }\n }\n ms.removeEventListener('sourceopen', this.onmso);\n ms.removeEventListener('sourceended', this.onmse);\n ms.removeEventListener('sourceclose', this.onmsc);\n\n try {\n // unlink MediaSource from video tag\n this.media.src = '';\n this.media.removeAttribute('src');\n } catch(err) {\n logger.warn(`onMediaDetaching:${err.message} while unlinking video.src`);\n }\n this.mediaSource = null;\n this.media = null;\n this.pendingTracks = null;\n this.sourceBuffer = null;\n }\n this.onmso = this.onmse = this.onmsc = null;\n this.hls.trigger(Event.MEDIA_DETACHED);\n }\n\n onMediaSourceOpen() {\n logger.log('media source opened');\n this.hls.trigger(Event.MEDIA_ATTACHED, { media : this.media });\n // once received, don't listen anymore to sourceopen event\n this.mediaSource.removeEventListener('sourceopen', this.onmso);\n // if any buffer codecs pending, treat it here.\n var pendingTracks = this.pendingTracks;\n if (pendingTracks) {\n this.onBufferCodecs(pendingTracks);\n this.pendingTracks = null;\n this.doAppending();\n }\n }\n\n onMediaSourceClose() {\n logger.log('media source closed');\n }\n\n onMediaSourceEnded() {\n logger.log('media source ended');\n }\n\n\n onSBUpdateEnd() {\n\n if (this._needsFlush) {\n this.doFlush();\n }\n\n if (this._needsEos) {\n this.onBufferEos();\n }\n\n this.hls.trigger(Event.BUFFER_APPENDED);\n\n this.doAppending();\n }\n\n onSBUpdateError(event) {\n logger.error(`sourceBuffer error:${event}`);\n // according to http://www.w3.org/TR/media-source/#sourcebuffer-append-error\n // this error might not always be fatal (it is fatal if decode error is set, in that case\n // it will be followed by a mediaElement error ...)\n this.hls.trigger(Event.ERROR, {type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_APPENDING_ERROR, fatal: false});\n // we don't need to do more than that, as accordin to the spec, updateend will be fired just after\n }\n\n onBufferReset() {\n var sourceBuffer = this.sourceBuffer;\n if (sourceBuffer) {\n for(var type in sourceBuffer) {\n var sb = sourceBuffer[type];\n try {\n this.mediaSource.removeSourceBuffer(sb);\n sb.removeEventListener('updateend', this.onsbue);\n sb.removeEventListener('error', this.onsbe);\n } catch(err) {\n }\n }\n this.sourceBuffer = null;\n }\n this.flushRange = [];\n this.appended = 0;\n }\n\n onBufferCodecs(tracks) {\n let mediaSource = this.mediaSource;\n\n // delay sourcebuffer creation if media source not opened yet\n if(!mediaSource || mediaSource.readyState !== 'open') {\n this.pendingTracks = tracks;\n return;\n }\n\n if (!this.sourceBuffer) {\n let sourceBuffer = {};\n for (let trackName in tracks) {\n let track = tracks[trackName];\n // use levelCodec as first priority\n let codec = track.levelCodec || track.codec;\n let mimeType = `${track.container};codecs=${codec}`;\n logger.log(`creating sourceBuffer with mimeType:${mimeType}`);\n let sb = sourceBuffer[trackName] = mediaSource.addSourceBuffer(mimeType);\n sb.addEventListener('updateend', this.onsbue);\n sb.addEventListener('error', this.onsbe);\n }\n this.sourceBuffer = sourceBuffer;\n }\n }\n\n onBufferAppending(data) {\n if (!this.segments) {\n this.segments = [ data ];\n } else {\n this.segments.push(data);\n }\n this.doAppending();\n }\n\n onBufferAppendFail(data) {\n logger.error(`sourceBuffer error:${data.event}`);\n // according to http://www.w3.org/TR/media-source/#sourcebuffer-append-error\n // this error might not always be fatal (it is fatal if decode error is set, in that case\n // it will be followed by a mediaElement error ...)\n this.hls.trigger(Event.ERROR, {type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_APPENDING_ERROR, fatal: false, frag: this.fragCurrent});\n }\n\n onBufferEos() {\n var sb = this.sourceBuffer, mediaSource = this.mediaSource;\n if (!mediaSource || mediaSource.readyState !== 'open') {\n return;\n }\n if (!((sb.audio && sb.audio.updating) || (sb.video && sb.video.updating))) {\n logger.log('all media data available, signal endOfStream() to MediaSource and stop loading fragment');\n //Notify the media element that it now has all of the media data\n mediaSource.endOfStream();\n this._needsEos = false;\n } else {\n this._needsEos = true;\n }\n }\n\n onBufferFlushing(data) {\n this.flushRange.push({start: data.startOffset, end: data.endOffset});\n // attempt flush immediatly\n this.flushBufferCounter = 0;\n this.doFlush();\n }\n\n doFlush() {\n // loop through all buffer ranges to flush\n while(this.flushRange.length) {\n var range = this.flushRange[0];\n // flushBuffer will abort any buffer append in progress and flush Audio/Video Buffer\n if (this.flushBuffer(range.start, range.end)) {\n // range flushed, remove from flush array\n this.flushRange.shift();\n this.flushBufferCounter = 0;\n } else {\n this._needsFlush = true;\n // avoid looping, wait for SB update end to retrigger a flush\n return;\n }\n }\n if (this.flushRange.length === 0) {\n // everything flushed\n this._needsFlush = false;\n\n // let's recompute this.appended, which is used to avoid flush looping\n var appended = 0;\n var sourceBuffer = this.sourceBuffer;\n if (sourceBuffer) {\n for (var type in sourceBuffer) {\n appended += sourceBuffer[type].buffered.length;\n }\n }\n this.appended = appended;\n this.hls.trigger(Event.BUFFER_FLUSHED);\n }\n }\n\n doAppending() {\n var hls = this.hls, sourceBuffer = this.sourceBuffer, segments = this.segments;\n if (sourceBuffer) {\n if (this.media.error) {\n segments = [];\n logger.error('trying to append although a media error occured, flush segment and abort');\n return;\n }\n for (var type in sourceBuffer) {\n if (sourceBuffer[type].updating) {\n //logger.log('sb update in progress');\n return;\n }\n }\n if (segments.length) {\n var segment = segments.shift();\n try {\n //logger.log(`appending ${segment.type} SB, size:${segment.data.length});\n sourceBuffer[segment.type].appendBuffer(segment.data);\n this.appendError = 0;\n this.appended++;\n } catch(err) {\n // in case any error occured while appending, put back segment in segments table\n logger.error(`error while trying to append buffer:${err.message}`);\n segments.unshift(segment);\n var event = {type: ErrorTypes.MEDIA_ERROR};\n if(err.code !== 22) {\n if (this.appendError) {\n this.appendError++;\n } else {\n this.appendError = 1;\n }\n event.details = ErrorDetails.BUFFER_APPEND_ERROR;\n event.frag = this.fragCurrent;\n /* with UHD content, we could get loop of quota exceeded error until\n browser is able to evict some data from sourcebuffer. retrying help recovering this\n */\n if (this.appendError > hls.config.appendErrorMaxRetry) {\n logger.log(`fail ${hls.config.appendErrorMaxRetry} times to append segment in sourceBuffer`);\n segments = [];\n event.fatal = true;\n hls.trigger(Event.ERROR, event);\n return;\n } else {\n event.fatal = false;\n hls.trigger(Event.ERROR, event);\n }\n } else {\n // QuotaExceededError: http://www.w3.org/TR/html5/infrastructure.html#quotaexceedederror\n // let's stop appending any segments, and report BUFFER_FULL_ERROR error\n segments = [];\n event.details = ErrorDetails.BUFFER_FULL_ERROR;\n hls.trigger(Event.ERROR,event);\n }\n }\n }\n }\n }\n\n /*\n flush specified buffered range,\n return true once range has been flushed.\n as sourceBuffer.remove() is asynchronous, flushBuffer will be retriggered on sourceBuffer update end\n */\n flushBuffer(startOffset, endOffset) {\n var sb, i, bufStart, bufEnd, flushStart, flushEnd;\n //logger.log('flushBuffer,pos/start/end: ' + this.media.currentTime + '/' + startOffset + '/' + endOffset);\n // safeguard to avoid infinite looping : don't try to flush more than the nb of appended segments\n if (this.flushBufferCounter < this.appended && this.sourceBuffer) {\n for (var type in this.sourceBuffer) {\n sb = this.sourceBuffer[type];\n if (!sb.updating) {\n for (i = 0; i < sb.buffered.length; i++) {\n bufStart = sb.buffered.start(i);\n bufEnd = sb.buffered.end(i);\n // workaround firefox not able to properly flush multiple buffered range.\n if (navigator.userAgent.toLowerCase().indexOf('firefox') !== -1 && endOffset === Number.POSITIVE_INFINITY) {\n flushStart = startOffset;\n flushEnd = endOffset;\n } else {\n flushStart = Math.max(bufStart, startOffset);\n flushEnd = Math.min(bufEnd, endOffset);\n }\n /* sometimes sourcebuffer.remove() does not flush\n the exact expected time range.\n to avoid rounding issues/infinite loop,\n only flush buffer range of length greater than 500ms.\n */\n if (Math.min(flushEnd,bufEnd) - flushStart > 0.5 ) {\n this.flushBufferCounter++;\n logger.log(`flush ${type} [${flushStart},${flushEnd}], of [${bufStart},${bufEnd}], pos:${this.media.currentTime}`);\n sb.remove(flushStart, flushEnd);\n return false;\n }\n }\n } else {\n //logger.log('abort ' + type + ' append in progress');\n // this will abort any appending in progress\n //sb.abort();\n logger.warn('cannot flush, sb updating in progress');\n return false;\n }\n }\n } else {\n logger.warn('abort flushing too many retries');\n }\n logger.log('buffer flushed');\n // everything flushed !\n return true;\n }\n}\n\nexport default BufferController;\n",
+ "/*\n * Buffer Controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport {logger} from '../utils/logger';\nimport {ErrorTypes, ErrorDetails} from '../errors';\n\n\nclass BufferController extends EventHandler {\n\n constructor(hls) {\n super(hls,\n Event.MEDIA_ATTACHING,\n Event.MEDIA_DETACHING,\n Event.BUFFER_RESET,\n Event.BUFFER_APPENDING,\n Event.BUFFER_CODECS,\n Event.BUFFER_EOS,\n Event.BUFFER_FLUSHING,\n Event.LEVEL_UPDATED);\n\n // the value that we have set mediasource.duration to\n // (the actual duration may be tweaked slighly by the browser)\n this._msDuration = null;\n // the value that we want to set mediaSource.duration to\n this._levelDuration = null;\n\n // Source Buffer listeners\n this.onsbue = this.onSBUpdateEnd.bind(this);\n this.onsbe = this.onSBUpdateError.bind(this);\n }\n\n destroy() {\n EventHandler.prototype.destroy.call(this);\n }\n\n onMediaAttaching(data) {\n let media = this.media = data.media;\n if (media) {\n // setup the media source\n var ms = this.mediaSource = new MediaSource();\n //Media Source listeners\n this.onmso = this.onMediaSourceOpen.bind(this);\n this.onmse = this.onMediaSourceEnded.bind(this);\n this.onmsc = this.onMediaSourceClose.bind(this);\n ms.addEventListener('sourceopen', this.onmso);\n ms.addEventListener('sourceended', this.onmse);\n ms.addEventListener('sourceclose', this.onmsc);\n // link video and media Source\n media.src = URL.createObjectURL(ms);\n }\n }\n\n onMediaDetaching() {\n var ms = this.mediaSource;\n if (ms) {\n if (ms.readyState === 'open') {\n try {\n // endOfStream could trigger exception if any sourcebuffer is in updating state\n // we don't really care about checking sourcebuffer state here,\n // as we are anyway detaching the MediaSource\n // let's just avoid this exception to propagate\n ms.endOfStream();\n } catch(err) {\n logger.warn(`onMediaDetaching:${err.message} while calling endOfStream`);\n }\n }\n ms.removeEventListener('sourceopen', this.onmso);\n ms.removeEventListener('sourceended', this.onmse);\n ms.removeEventListener('sourceclose', this.onmsc);\n\n try {\n // unlink MediaSource from video tag\n this.media.src = '';\n this.media.removeAttribute('src');\n } catch(err) {\n logger.warn(`onMediaDetaching:${err.message} while unlinking video.src`);\n }\n this.mediaSource = null;\n this.media = null;\n this.pendingTracks = null;\n this.sourceBuffer = null;\n }\n this.onmso = this.onmse = this.onmsc = null;\n this.hls.trigger(Event.MEDIA_DETACHED);\n }\n\n onMediaSourceOpen() {\n logger.log('media source opened');\n this.hls.trigger(Event.MEDIA_ATTACHED, { media : this.media });\n // once received, don't listen anymore to sourceopen event\n this.mediaSource.removeEventListener('sourceopen', this.onmso);\n // if any buffer codecs pending, treat it here.\n var pendingTracks = this.pendingTracks;\n if (pendingTracks) {\n this.onBufferCodecs(pendingTracks);\n this.pendingTracks = null;\n this.doAppending();\n }\n }\n\n onMediaSourceClose() {\n logger.log('media source closed');\n }\n\n onMediaSourceEnded() {\n logger.log('media source ended');\n }\n\n\n onSBUpdateEnd() {\n\n if (this._needsFlush) {\n this.doFlush();\n }\n\n if (this._needsEos) {\n this.onBufferEos();\n }\n\n this.hls.trigger(Event.BUFFER_APPENDED);\n\n this.doAppending();\n }\n\n onSBUpdateError(event) {\n logger.error(`sourceBuffer error:${event}`);\n // according to http://www.w3.org/TR/media-source/#sourcebuffer-append-error\n // this error might not always be fatal (it is fatal if decode error is set, in that case\n // it will be followed by a mediaElement error ...)\n this.hls.trigger(Event.ERROR, {type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_APPENDING_ERROR, fatal: false});\n // we don't need to do more than that, as accordin to the spec, updateend will be fired just after\n }\n\n onBufferReset() {\n var sourceBuffer = this.sourceBuffer;\n if (sourceBuffer) {\n for(var type in sourceBuffer) {\n var sb = sourceBuffer[type];\n try {\n this.mediaSource.removeSourceBuffer(sb);\n sb.removeEventListener('updateend', this.onsbue);\n sb.removeEventListener('error', this.onsbe);\n } catch(err) {\n }\n }\n this.sourceBuffer = null;\n }\n this.flushRange = [];\n this.appended = 0;\n }\n\n onBufferCodecs(tracks) {\n let mediaSource = this.mediaSource;\n\n // delay sourcebuffer creation if media source not opened yet\n if(!mediaSource || mediaSource.readyState !== 'open') {\n this.pendingTracks = tracks;\n return;\n }\n\n if (!this.sourceBuffer) {\n let sourceBuffer = {};\n for (let trackName in tracks) {\n let track = tracks[trackName];\n // use levelCodec as first priority\n let codec = track.levelCodec || track.codec;\n let mimeType = `${track.container};codecs=${codec}`;\n logger.log(`creating sourceBuffer with mimeType:${mimeType}`);\n let sb = sourceBuffer[trackName] = mediaSource.addSourceBuffer(mimeType);\n sb.addEventListener('updateend', this.onsbue);\n sb.addEventListener('error', this.onsbe);\n }\n this.sourceBuffer = sourceBuffer;\n }\n }\n\n onBufferAppending(data) {\n if (!this.segments) {\n this.segments = [ data ];\n } else {\n this.segments.push(data);\n }\n this.doAppending();\n }\n\n onBufferAppendFail(data) {\n logger.error(`sourceBuffer error:${data.event}`);\n // according to http://www.w3.org/TR/media-source/#sourcebuffer-append-error\n // this error might not always be fatal (it is fatal if decode error is set, in that case\n // it will be followed by a mediaElement error ...)\n this.hls.trigger(Event.ERROR, {type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_APPENDING_ERROR, fatal: false, frag: this.fragCurrent});\n }\n\n onBufferEos() {\n var sb = this.sourceBuffer, mediaSource = this.mediaSource;\n if (!mediaSource || mediaSource.readyState !== 'open') {\n return;\n }\n if (!((sb.audio && sb.audio.updating) || (sb.video && sb.video.updating))) {\n logger.log('all media data available, signal endOfStream() to MediaSource and stop loading fragment');\n //Notify the media element that it now has all of the media data\n mediaSource.endOfStream();\n this._needsEos = false;\n } else {\n this._needsEos = true;\n }\n }\n\n onBufferFlushing(data) {\n this.flushRange.push({start: data.startOffset, end: data.endOffset});\n // attempt flush immediatly\n this.flushBufferCounter = 0;\n this.doFlush();\n }\n\n onLevelUpdated(event) {\n let details = event.details;\n if (details.fragments.length === 0) {\n return;\n }\n this._levelDuration = details.totalduration + details.fragments[0].start;\n this.updateMediaElementDuration();\n }\n\n // https://github.com/dailymotion/hls.js/issues/355\n updateMediaElementDuration() {\n if (this._levelDuration === null) {\n return;\n }\n let media = this.media;\n let mediaSource = this.mediaSource;\n if (!media || !mediaSource || media.readyState === 0 || mediaSource.readyState !== 'open') {\n return;\n }\n for (let type in mediaSource.sourceBuffers) {\n if (mediaSource.sourceBuffers[type].updating) {\n // can't set duration whilst a buffer is updating\n return;\n }\n }\n if (this._msDuration === null) {\n // initialise to the value that the media source is reporting\n this._msDuration = mediaSource.duration;\n }\n // this._levelDuration was the last value we set.\n // not using mediaSource.duration as the browser may tweak this value\n // only update mediasource duration if its value increase, this is to avoid\n // flushing already buffered portion when switching between quality level, as they\n if (this._levelDuration > this._msDuration) {\n logger.log(`Updating mediasource duration to ${this._levelDuration}`);\n mediaSource.duration = this._levelDuration;\n this._msDuration = this._levelDuration;\n }\n }\n\n doFlush() {\n // loop through all buffer ranges to flush\n while(this.flushRange.length) {\n var range = this.flushRange[0];\n // flushBuffer will abort any buffer append in progress and flush Audio/Video Buffer\n if (this.flushBuffer(range.start, range.end)) {\n // range flushed, remove from flush array\n this.flushRange.shift();\n this.flushBufferCounter = 0;\n } else {\n this._needsFlush = true;\n // avoid looping, wait for SB update end to retrigger a flush\n return;\n }\n }\n if (this.flushRange.length === 0) {\n // everything flushed\n this._needsFlush = false;\n\n // let's recompute this.appended, which is used to avoid flush looping\n var appended = 0;\n var sourceBuffer = this.sourceBuffer;\n if (sourceBuffer) {\n for (var type in sourceBuffer) {\n appended += sourceBuffer[type].buffered.length;\n }\n }\n this.appended = appended;\n this.hls.trigger(Event.BUFFER_FLUSHED);\n }\n }\n\n doAppending() {\n var hls = this.hls, sourceBuffer = this.sourceBuffer, segments = this.segments;\n if (sourceBuffer) {\n if (this.media.error) {\n segments = [];\n logger.error('trying to append although a media error occured, flush segment and abort');\n return;\n }\n for (var type in sourceBuffer) {\n if (sourceBuffer[type].updating) {\n //logger.log('sb update in progress');\n return;\n }\n }\n if (segments.length) {\n var segment = segments.shift();\n try {\n //logger.log(`appending ${segment.type} SB, size:${segment.data.length});\n sourceBuffer[segment.type].appendBuffer(segment.data);\n this.appendError = 0;\n this.appended++;\n } catch(err) {\n // in case any error occured while appending, put back segment in segments table\n logger.error(`error while trying to append buffer:${err.message}`);\n segments.unshift(segment);\n var event = {type: ErrorTypes.MEDIA_ERROR};\n if(err.code !== 22) {\n if (this.appendError) {\n this.appendError++;\n } else {\n this.appendError = 1;\n }\n event.details = ErrorDetails.BUFFER_APPEND_ERROR;\n event.frag = this.fragCurrent;\n /* with UHD content, we could get loop of quota exceeded error until\n browser is able to evict some data from sourcebuffer. retrying help recovering this\n */\n if (this.appendError > hls.config.appendErrorMaxRetry) {\n logger.log(`fail ${hls.config.appendErrorMaxRetry} times to append segment in sourceBuffer`);\n segments = [];\n event.fatal = true;\n hls.trigger(Event.ERROR, event);\n return;\n } else {\n event.fatal = false;\n hls.trigger(Event.ERROR, event);\n }\n } else {\n // QuotaExceededError: http://www.w3.org/TR/html5/infrastructure.html#quotaexceedederror\n // let's stop appending any segments, and report BUFFER_FULL_ERROR error\n segments = [];\n event.details = ErrorDetails.BUFFER_FULL_ERROR;\n hls.trigger(Event.ERROR,event);\n }\n }\n }\n }\n }\n\n /*\n flush specified buffered range,\n return true once range has been flushed.\n as sourceBuffer.remove() is asynchronous, flushBuffer will be retriggered on sourceBuffer update end\n */\n flushBuffer(startOffset, endOffset) {\n var sb, i, bufStart, bufEnd, flushStart, flushEnd;\n //logger.log('flushBuffer,pos/start/end: ' + this.media.currentTime + '/' + startOffset + '/' + endOffset);\n // safeguard to avoid infinite looping : don't try to flush more than the nb of appended segments\n if (this.flushBufferCounter < this.appended && this.sourceBuffer) {\n for (var type in this.sourceBuffer) {\n sb = this.sourceBuffer[type];\n if (!sb.updating) {\n for (i = 0; i < sb.buffered.length; i++) {\n bufStart = sb.buffered.start(i);\n bufEnd = sb.buffered.end(i);\n // workaround firefox not able to properly flush multiple buffered range.\n if (navigator.userAgent.toLowerCase().indexOf('firefox') !== -1 && endOffset === Number.POSITIVE_INFINITY) {\n flushStart = startOffset;\n flushEnd = endOffset;\n } else {\n flushStart = Math.max(bufStart, startOffset);\n flushEnd = Math.min(bufEnd, endOffset);\n }\n /* sometimes sourcebuffer.remove() does not flush\n the exact expected time range.\n to avoid rounding issues/infinite loop,\n only flush buffer range of length greater than 500ms.\n */\n if (Math.min(flushEnd,bufEnd) - flushStart > 0.5 ) {\n this.flushBufferCounter++;\n logger.log(`flush ${type} [${flushStart},${flushEnd}], of [${bufStart},${bufEnd}], pos:${this.media.currentTime}`);\n sb.remove(flushStart, flushEnd);\n return false;\n }\n }\n } else {\n //logger.log('abort ' + type + ' append in progress');\n // this will abort any appending in progress\n //sb.abort();\n logger.warn('cannot flush, sb updating in progress');\n return false;\n }\n }\n } else {\n logger.warn('abort flushing too many retries');\n }\n logger.log('buffer flushed');\n // everything flushed !\n return true;\n }\n}\n\nexport default BufferController;\n",
"/*\n * cap stream level to media size dimension controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\n\nclass CapLevelController extends EventHandler {\n\tconstructor(hls) {\n super(hls,\n Event.MEDIA_ATTACHING,\n Event.MANIFEST_PARSED); \n\t}\n\t\n\tdestroy() {\n if (this.hls.config.capLevelToPlayerSize) {\n this.media = null;\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n if (this.timer) {\n this.timer = clearInterval(this.timer);\n }\n }\n }\n\t \n\tonMediaAttaching(data) {\n this.media = data.media instanceof HTMLVideoElement ? data.media : null; \n }\n\n onManifestParsed(data) {\n if (this.hls.config.capLevelToPlayerSize) {\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n this.levels = data.levels;\n this.hls.firstLevel = this.getMaxLevel(data.firstLevel);\n clearInterval(this.timer);\n this.timer = setInterval(this.detectPlayerSize.bind(this), 1000);\n this.detectPlayerSize();\n }\n }\n \n detectPlayerSize() {\n if (this.media) {\n let levelsLength = this.levels ? this.levels.length : 0;\n if (levelsLength) {\n this.hls.autoLevelCapping = this.getMaxLevel(levelsLength - 1);\n if (this.hls.autoLevelCapping > this.autoLevelCapping) {\n // if auto level capping has a higher value for the previous one, flush the buffer using nextLevelSwitch\n // usually happen when the user go to the fullscreen mode.\n this.hls.streamController.nextLevelSwitch();\n }\n this.autoLevelCapping = this.hls.autoLevelCapping; \n } \n }\n }\n \n /*\n * returns level should be the one with the dimensions equal or greater than the media (player) dimensions (so the video will be downscaled)\n */\n getMaxLevel(capLevelIndex) {\n let result,\n i,\n level,\n mWidth = this.mediaWidth,\n mHeight = this.mediaHeight,\n lWidth = 0,\n lHeight = 0;\n \n for (i = 0; i <= capLevelIndex; i++) {\n level = this.levels[i];\n result = i;\n lWidth = level.width;\n lHeight = level.height;\n if (mWidth <= lWidth || mHeight <= lHeight) {\n break;\n }\n } \n return result;\n }\n \n get contentScaleFactor() {\n let pixelRatio = 1;\n try {\n pixelRatio = window.devicePixelRatio;\n } catch(e) {}\n return pixelRatio;\n }\n \n get mediaWidth() {\n let width;\n if (this.media) {\n width = this.media.width || this.media.clientWidth || this.media.offsetWidth;\n width *= this.contentScaleFactor;\n }\n return width;\n }\n \n get mediaHeight() {\n let height;\n if (this.media) {\n height = this.media.height || this.media.clientHeight || this.media.offsetHeight;\n height *= this.contentScaleFactor; \n }\n return height;\n }\n}\n\nexport default CapLevelController;",
- "/*\n * EWMA Bandwidth Estimator\n * - heavily inspired from shaka-player\n * Tracks bandwidth samples and estimates available bandwidth.\n * Based on the minimum of two exponentially-weighted moving averages with\n * different half-lives.\n */\n\nimport EWMA from '../utils/ewma';\n\n\nclass EwmaBandWidthEstimator {\n\n constructor(hls) {\n this.hls = hls;\n this.defaultEstimate_ = 5e5; // 500kbps\n this.minWeight_ = 0.001;\n this.minDelayMs_ = 50;\n this.fast_ = new EWMA(hls.config.abrEwmaFast);\n this.slow_ = new EWMA(hls.config.abrEwmaSlow);\n }\n\n sample(durationMs,numBytes) {\n durationMs = Math.max(durationMs, this.minDelayMs_);\n var bandwidth = 8000* numBytes / durationMs;\n //console.log('instant bw:'+ Math.round(bandwidth));\n // we weight sample using loading duration....\n var weigth = durationMs / 1000;\n this.fast_.sample(weigth,bandwidth);\n this.slow_.sample(weigth,bandwidth);\n }\n\n\n getEstimate() {\n if (this.fast_.getTotalWeight() < this.minWeight_) {\n return this.defaultEstimate_;\n }\n //console.log('slow estimate:'+ Math.round(this.slow_.getEstimate()));\n //console.log('fast estimate:'+ Math.round(this.fast_.getEstimate()));\n // Take the minimum of these two estimates. This should have the effect of\n // adapting down quickly, but up more slowly.\n return Math.min(this.fast_.getEstimate(),this.slow_.getEstimate());\n }\n\n destroy() {\n }\n}\nexport default EwmaBandWidthEstimator;\n\n",
+ "/*\n * EWMA Bandwidth Estimator\n * - heavily inspired from shaka-player\n * Tracks bandwidth samples and estimates available bandwidth.\n * Based on the minimum of two exponentially-weighted moving averages with\n * different half-lives.\n */\n\nimport EWMA from '../utils/ewma';\n\n\nclass EwmaBandWidthEstimator {\n\n constructor(hls) {\n this.hls = hls;\n this.defaultEstimate_ = 5e5; // 500kbps\n this.minWeight_ = 0.001;\n this.minDelayMs_ = 50;\n }\n\n sample(durationMs,numBytes) {\n durationMs = Math.max(durationMs, this.minDelayMs_);\n var bandwidth = 8000* numBytes / durationMs;\n //console.log('instant bw:'+ Math.round(bandwidth));\n // we weight sample using loading duration....\n var weigth = durationMs / 1000;\n\n // lazy initialization. this allows to take into account config param changes that could happen after Hls instantiation,\n // but before first fragment loading. this is useful to A/B tests those params\n if(!this.fast_) {\n let config = this.hls.config;\n this.fast_ = new EWMA(config.abrEwmaFast);\n this.slow_ = new EWMA(config.abrEwmaSlow);\n }\n this.fast_.sample(weigth,bandwidth);\n this.slow_.sample(weigth,bandwidth);\n }\n\n\n getEstimate() {\n if (this.fast_.getTotalWeight() < this.minWeight_) {\n return this.defaultEstimate_;\n }\n //console.log('slow estimate:'+ Math.round(this.slow_.getEstimate()));\n //console.log('fast estimate:'+ Math.round(this.fast_.getEstimate()));\n // Take the minimum of these two estimates. This should have the effect of\n // adapting down quickly, but up more slowly.\n return Math.min(this.fast_.getEstimate(),this.slow_.getEstimate());\n }\n\n destroy() {\n }\n}\nexport default EwmaBandWidthEstimator;\n\n",
"/*\n * Level Controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport {logger} from '../utils/logger';\nimport {ErrorTypes, ErrorDetails} from '../errors';\n\nclass LevelController extends EventHandler {\n\n constructor(hls) {\n super(hls,\n Event.MANIFEST_LOADED,\n Event.LEVEL_LOADED,\n Event.ERROR);\n this.ontick = this.tick.bind(this);\n this._manualLevel = this._autoLevelCapping = -1;\n }\n\n destroy() {\n if (this.timer) {\n clearTimeout(this.timer);\n this.timer = null;\n }\n this._manualLevel = -1;\n }\n\n startLoad() {\n this.canload = true;\n // speed up live playlist refresh if timer exists\n if (this.timer) {\n this.tick();\n }\n }\n\n stopLoad() {\n this.canload = false;\n }\n\n onManifestLoaded(data) {\n var levels0 = [], levels = [], bitrateStart, i, bitrateSet = {}, videoCodecFound = false, audioCodecFound = false, hls = this.hls;\n\n // regroup redundant level together\n data.levels.forEach(level => {\n if(level.videoCodec) {\n videoCodecFound = true;\n }\n if(level.audioCodec) {\n audioCodecFound = true;\n }\n var redundantLevelId = bitrateSet[level.bitrate];\n if (redundantLevelId === undefined) {\n bitrateSet[level.bitrate] = levels0.length;\n level.url = [level.url];\n level.urlId = 0;\n levels0.push(level);\n } else {\n levels0[redundantLevelId].url.push(level.url);\n }\n });\n\n // remove audio-only level if we also have levels with audio+video codecs signalled\n if(videoCodecFound && audioCodecFound) {\n levels0.forEach(level => {\n if(level.videoCodec) {\n levels.push(level);\n }\n });\n } else {\n levels = levels0;\n }\n\n // only keep level with supported audio/video codecs\n levels = levels.filter(function(level) {\n var checkSupportedAudio = function(codec) { return MediaSource.isTypeSupported(`audio/mp4;codecs=${codec}`);};\n var checkSupportedVideo = function(codec) { return MediaSource.isTypeSupported(`video/mp4;codecs=${codec}`);};\n var audioCodec = level.audioCodec, videoCodec = level.videoCodec;\n\n return (!audioCodec || checkSupportedAudio(audioCodec)) &&\n (!videoCodec || checkSupportedVideo(videoCodec));\n });\n\n if(levels.length) {\n // start bitrate is the first bitrate of the manifest\n bitrateStart = levels[0].bitrate;\n // sort level on bitrate\n levels.sort(function (a, b) {\n return a.bitrate - b.bitrate;\n });\n this._levels = levels;\n // find index of first level in sorted levels\n for (i = 0; i < levels.length; i++) {\n if (levels[i].bitrate === bitrateStart) {\n this._firstLevel = i;\n logger.log(`manifest loaded,${levels.length} level(s) found, first bitrate:${bitrateStart}`);\n break;\n }\n }\n hls.trigger(Event.MANIFEST_PARSED, {levels: this._levels, firstLevel: this._firstLevel, stats: data.stats});\n } else {\n hls.trigger(Event.ERROR, {type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.MANIFEST_INCOMPATIBLE_CODECS_ERROR, fatal: true, url: hls.url, reason: 'no level with compatible codecs found in manifest'});\n }\n return;\n }\n\n get levels() {\n return this._levels;\n }\n\n get level() {\n return this._level;\n }\n\n set level(newLevel) {\n let levels = this._levels;\n if (levels && levels.length > newLevel) {\n if (this._level !== newLevel || levels[newLevel].details === undefined) {\n this.setLevelInternal(newLevel);\n }\n }\n }\n\n setLevelInternal(newLevel) {\n let levels = this._levels;\n // check if level idx is valid\n if (newLevel >= 0 && newLevel < levels.length) {\n // stopping live reloading timer if any\n if (this.timer) {\n clearTimeout(this.timer);\n this.timer = null;\n }\n this._level = newLevel;\n logger.log(`switching to level ${newLevel}`);\n this.hls.trigger(Event.LEVEL_SWITCH, {level: newLevel});\n var level = levels[newLevel];\n // check if we need to load playlist for this level\n if (level.details === undefined || level.details.live === true) {\n // level not retrieved yet, or live playlist we need to (re)load it\n logger.log(`(re)loading playlist for level ${newLevel}`);\n var urlId = level.urlId;\n this.hls.trigger(Event.LEVEL_LOADING, {url: level.url[urlId], level: newLevel, id: urlId});\n }\n } else {\n // invalid level id given, trigger error\n this.hls.trigger(Event.ERROR, {type : ErrorTypes.OTHER_ERROR, details: ErrorDetails.LEVEL_SWITCH_ERROR, level: newLevel, fatal: false, reason: 'invalid level idx'});\n }\n }\n\n get manualLevel() {\n return this._manualLevel;\n }\n\n set manualLevel(newLevel) {\n this._manualLevel = newLevel;\n if (this._startLevel === undefined) {\n this._startLevel = newLevel;\n }\n if (newLevel !== -1) {\n this.level = newLevel;\n }\n }\n\n get firstLevel() {\n return this._firstLevel;\n }\n\n set firstLevel(newLevel) {\n this._firstLevel = newLevel;\n }\n\n get startLevel() {\n if (this._startLevel === undefined) {\n return this._firstLevel;\n } else {\n return this._startLevel;\n }\n }\n\n set startLevel(newLevel) {\n this._startLevel = newLevel;\n }\n\n onError(data) {\n if(data.fatal) {\n return;\n }\n\n let details = data.details, hls = this.hls, levelId, level, levelError = false;\n // try to recover not fatal errors\n switch(details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n case ErrorDetails.FRAG_LOOP_LOADING_ERROR:\n case ErrorDetails.KEY_LOAD_ERROR:\n case ErrorDetails.KEY_LOAD_TIMEOUT:\n levelId = data.frag.level;\n break;\n case ErrorDetails.LEVEL_LOAD_ERROR:\n case ErrorDetails.LEVEL_LOAD_TIMEOUT:\n levelId = data.level;\n levelError = true;\n break;\n default:\n break;\n }\n /* try to switch to a redundant stream if any available.\n * if no redundant stream available, emergency switch down (if in auto mode and current level not 0)\n * otherwise, we cannot recover this network error ...\n * don't raise FRAG_LOAD_ERROR and FRAG_LOAD_TIMEOUT as fatal, as it is handled by mediaController\n */\n if (levelId !== undefined) {\n level = this._levels[levelId];\n if (level.urlId < (level.url.length - 1)) {\n level.urlId++;\n level.details = undefined;\n logger.warn(`level controller,${details} for level ${levelId}: switching to redundant stream id ${level.urlId}`);\n } else {\n // we could try to recover if in auto mode and current level not lowest level (0)\n let recoverable = ((this._manualLevel === -1) && levelId);\n if (recoverable) {\n logger.warn(`level controller,${details}: emergency switch-down for next fragment`);\n hls.abrController.nextAutoLevel = 0;\n } else if(level && level.details && level.details.live) {\n logger.warn(`level controller,${details} on live stream, discard`);\n if (levelError) {\n // reset this._level so that another call to set level() will retrigger a frag load\n this._level = undefined;\n }\n // FRAG_LOAD_ERROR and FRAG_LOAD_TIMEOUT are handled by mediaController\n } else if (details !== ErrorDetails.FRAG_LOAD_ERROR && details !== ErrorDetails.FRAG_LOAD_TIMEOUT) {\n logger.error(`cannot recover ${details} error`);\n this._level = undefined;\n // stopping live reloading timer if any\n if (this.timer) {\n clearTimeout(this.timer);\n this.timer = null;\n }\n // redispatch same error but with fatal set to true\n data.fatal = true;\n hls.trigger(Event.ERROR, data);\n }\n }\n }\n }\n\n onLevelLoaded(data) {\n // only process level loaded events matching with expected level\n if (data.level === this._level) {\n let newDetails = data.details;\n // if current playlist is a live playlist, arm a timer to reload it\n if (newDetails.live) {\n let reloadInterval = 1000*newDetails.targetduration,\n curLevel = this._levels[data.level],\n curDetails = curLevel.details;\n if (curDetails && newDetails.endSN === curDetails.endSN) {\n // follow HLS Spec, If the client reloads a Playlist file and finds that it has not\n // changed then it MUST wait for a period of one-half the target\n // duration before retrying.\n reloadInterval /=2;\n logger.log(`same live playlist, reload twice faster`);\n }\n // decrement reloadInterval with level loading delay\n reloadInterval -= performance.now() - data.stats.trequest;\n // in any case, don't reload more than every second\n reloadInterval = Math.max(1000,Math.round(reloadInterval));\n logger.log(`live playlist, reload in ${reloadInterval} ms`);\n this.timer = setTimeout(this.ontick,reloadInterval);\n } else {\n this.timer = null;\n }\n }\n }\n\n tick() {\n var levelId = this._level;\n if (levelId !== undefined && this.canload) {\n var level = this._levels[levelId], urlId = level.urlId;\n this.hls.trigger(Event.LEVEL_LOADING, {url: level.url[urlId], level: levelId, id: urlId});\n }\n }\n\n get nextLoadLevel() {\n if (this._manualLevel !== -1) {\n return this._manualLevel;\n } else {\n return this.hls.abrController.nextAutoLevel;\n }\n }\n\n set nextLoadLevel(nextLevel) {\n this.level = nextLevel;\n if (this._manualLevel === -1) {\n this.hls.abrController.nextAutoLevel = nextLevel;\n }\n }\n}\n\nexport default LevelController;\n\n",
- "/*\n * Stream Controller\n*/\n\nimport Demuxer from '../demux/demuxer';\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport {logger} from '../utils/logger';\nimport BinarySearch from '../utils/binary-search';\nimport BufferHelper from '../helper/buffer-helper';\nimport LevelHelper from '../helper/level-helper';\nimport {ErrorTypes, ErrorDetails} from '../errors';\n\nconst State = {\n STOPPED : 'STOPPED',\n STARTING : 'STARTING',\n IDLE : 'IDLE',\n PAUSED : 'PAUSED',\n KEY_LOADING : 'KEY_LOADING',\n FRAG_LOADING : 'FRAG_LOADING',\n FRAG_LOADING_WAITING_RETRY : 'FRAG_LOADING_WAITING_RETRY',\n WAITING_LEVEL : 'WAITING_LEVEL',\n PARSING : 'PARSING',\n PARSED : 'PARSED',\n ENDED : 'ENDED',\n ERROR : 'ERROR'\n};\n\nclass StreamController extends EventHandler {\n\n constructor(hls) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.MANIFEST_LOADING,\n Event.MANIFEST_PARSED,\n Event.LEVEL_LOADED,\n Event.KEY_LOADED,\n Event.FRAG_LOADED,\n Event.FRAG_LOAD_EMERGENCY_ABORTED,\n Event.FRAG_PARSING_INIT_SEGMENT,\n Event.FRAG_PARSING_DATA,\n Event.FRAG_PARSED,\n Event.ERROR,\n Event.BUFFER_APPENDED,\n Event.BUFFER_FLUSHED);\n\n this.config = hls.config;\n this.audioCodecSwap = false;\n this.ticks = 0;\n this.ontick = this.tick.bind(this);\n }\n\n destroy() {\n this.stopLoad();\n if (this.timer) {\n clearInterval(this.timer);\n this.timer = null;\n }\n EventHandler.prototype.destroy.call(this);\n this.state = State.STOPPED;\n }\n\n startLoad(startPosition=0) {\n if (this.levels) {\n var media = this.media, lastCurrentTime = this.lastCurrentTime;\n this.stopLoad();\n this.demuxer = new Demuxer(this.hls);\n if (!this.timer) {\n this.timer = setInterval(this.ontick, 100);\n }\n this.level = -1;\n this.fragLoadError = 0;\n if (media && lastCurrentTime) {\n logger.log(`configure startPosition @${lastCurrentTime}`);\n if (!this.lastPaused) {\n logger.log('resuming video');\n media.play();\n }\n this.state = State.IDLE;\n } else {\n this.lastCurrentTime = this.startPosition ? this.startPosition : startPosition;\n this.state = State.STARTING;\n }\n this.nextLoadPosition = this.startPosition = this.lastCurrentTime;\n this.tick();\n } else {\n logger.warn('cannot start loading as manifest not parsed yet');\n this.state = State.STOPPED;\n }\n }\n\n stopLoad() {\n var frag = this.fragCurrent;\n if (frag) {\n if (frag.loader) {\n frag.loader.abort();\n }\n this.fragCurrent = null;\n }\n this.fragPrevious = null;\n if (this.demuxer) {\n this.demuxer.destroy();\n this.demuxer = null;\n }\n this.state = State.STOPPED;\n }\n\n tick() {\n this.ticks++;\n if (this.ticks === 1) {\n this.doTick();\n if (this.ticks > 1) {\n setTimeout(this.tick, 1);\n }\n this.ticks = 0;\n }\n }\n\n doTick() {\n var pos, level, levelDetails, hls = this.hls, config = hls.config;\n //logger.log(this.state);\n switch(this.state) {\n case State.ERROR:\n //don't do anything in error state to avoid breaking further ...\n case State.PAUSED:\n //don't do anything in paused state either ...\n break;\n case State.STARTING:\n // determine load level\n let startLevel = hls.startLevel;\n if (startLevel === -1) {\n // -1 : guess start Level by doing a bitrate test by loading first fragment of lowest quality level\n startLevel = 0;\n this.fragBitrateTest = true;\n }\n // set new level to playlist loader : this will trigger start level load\n // hls.nextLoadLevel remains until it is set to a new value or until a new frag is successfully loaded\n this.level = hls.nextLoadLevel = startLevel;\n this.state = State.WAITING_LEVEL;\n this.loadedmetadata = false;\n break;\n case State.IDLE:\n // if video not attached AND\n // start fragment already requested OR start frag prefetch disable\n // exit loop\n // => if media not attached but start frag prefetch is enabled and start frag not requested yet, we will not exit loop\n if (!this.media &&\n (this.startFragRequested || !config.startFragPrefetch)) {\n break;\n }\n // determine next candidate fragment to be loaded, based on current position and\n // end of buffer position\n // ensure 60s of buffer upfront\n // if we have not yet loaded any fragment, start loading from start position\n if (this.loadedmetadata) {\n pos = this.media.currentTime;\n } else {\n pos = this.nextLoadPosition;\n }\n level = hls.nextLoadLevel;\n var bufferInfo = BufferHelper.bufferInfo(this.media,pos,config.maxBufferHole),\n bufferLen = bufferInfo.len,\n bufferEnd = bufferInfo.end,\n fragPrevious = this.fragPrevious,\n maxBufLen;\n // 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\n if ((this.levels[level]).hasOwnProperty('bitrate')) {\n maxBufLen = Math.max(8 * config.maxBufferSize / this.levels[level].bitrate, config.maxBufferLength);\n maxBufLen = Math.min(maxBufLen, config.maxMaxBufferLength);\n } else {\n maxBufLen = config.maxBufferLength;\n }\n // if buffer length is less than maxBufLen try to load a new fragment\n if (bufferLen < maxBufLen) {\n // set next load level : this will trigger a playlist load if needed\n hls.nextLoadLevel = level;\n this.level = level;\n levelDetails = this.levels[level].details;\n // if level info not retrieved yet, switch state and wait for level retrieval\n // if live playlist, ensure that new playlist has been refreshed to avoid loading/try to load\n // a useless and outdated fragment (that might even introduce load error if it is already out of the live playlist)\n if (typeof levelDetails === 'undefined' || levelDetails.live && this.levelLastLoaded !== level) {\n this.state = State.WAITING_LEVEL;\n break;\n }\n // find fragment index, contiguous with end of buffer position\n let fragments = levelDetails.fragments,\n fragLen = fragments.length,\n start = fragments[0].start,\n end = fragments[fragLen-1].start + fragments[fragLen-1].duration,\n frag;\n\n // in case of live playlist we need to ensure that requested position is not located before playlist start\n if (levelDetails.live) {\n // check if requested position is within seekable boundaries :\n //logger.log(`start/pos/bufEnd/seeking:${start.toFixed(3)}/${pos.toFixed(3)}/${bufferEnd.toFixed(3)}/${this.media.seeking}`);\n let maxLatency = config.liveMaxLatencyDuration !== undefined ? config.liveMaxLatencyDuration : config.liveMaxLatencyDurationCount*levelDetails.targetduration;\n\n if (bufferEnd < Math.max(start, end - maxLatency)) {\n let targetLatency = config.liveSyncDuration !== undefined ? config.liveSyncDuration : config.liveSyncDurationCount * levelDetails.targetduration;\n this.seekAfterBuffered = start + Math.max(0, levelDetails.totalduration - targetLatency);\n logger.log(`buffer end: ${bufferEnd} is located too far from the end of live sliding playlist, media position will be reseted to: ${this.seekAfterBuffered.toFixed(3)}`);\n bufferEnd = this.seekAfterBuffered;\n }\n\n // if end of buffer greater than live edge, don't load any fragment\n // this could happen if live playlist intermittently slides in the past.\n // level 1 loaded [182580161,182580167]\n // level 1 loaded [182580162,182580169]\n // Loading 182580168 of [182580162 ,182580169],level 1 ..\n // Loading 182580169 of [182580162 ,182580169],level 1 ..\n // level 1 loaded [182580162,182580168] <============= here we should have bufferEnd > end. in that case break to avoid reloading 182580168\n // level 1 loaded [182580164,182580171]\n //\n if (levelDetails.PTSKnown && bufferEnd > end) {\n break;\n }\n\n if (this.startFragRequested && !levelDetails.PTSKnown) {\n /* we are switching level on live playlist, but we don't have any PTS info for that quality level ...\n try to load frag matching with next SN.\n even if SN are not synchronized between playlists, loading this frag will help us\n compute playlist sliding and find the right one after in case it was not the right consecutive one */\n if (fragPrevious) {\n var targetSN = fragPrevious.sn + 1;\n if (targetSN >= levelDetails.startSN && targetSN <= levelDetails.endSN) {\n frag = fragments[targetSN - levelDetails.startSN];\n logger.log(`live playlist, switching playlist, load frag with next SN: ${frag.sn}`);\n }\n }\n if (!frag) {\n /* we have no idea about which fragment should be loaded.\n so let's load mid fragment. it will help computing playlist sliding and find the right one\n */\n frag = fragments[Math.min(fragLen - 1, Math.round(fragLen / 2))];\n logger.log(`live playlist, switching playlist, unknown, load middle frag : ${frag.sn}`);\n }\n }\n } else {\n // VoD playlist: if bufferEnd before start of playlist, load first fragment\n if (bufferEnd < start) {\n frag = fragments[0];\n }\n }\n if (!frag) {\n let foundFrag;\n let maxFragLookUpTolerance = config.maxFragLookUpTolerance;\n if (bufferEnd < end) {\n if (bufferEnd > end - maxFragLookUpTolerance) {\n maxFragLookUpTolerance = 0;\n }\n foundFrag = BinarySearch.search(fragments, (candidate) => {\n // offset should be within fragment boundary - config.maxFragLookUpTolerance\n // this is to cope with situations like\n // bufferEnd = 9.991\n // frag[Ø] : [0,10]\n // frag[1] : [10,20]\n // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here\n // frag start frag start+duration\n // |-----------------------------|\n // <---> <--->\n // ...--------><-----------------------------><---------....\n // previous frag matching fragment next frag\n // return -1 return 0 return 1\n //logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`);\n if ((candidate.start + candidate.duration - maxFragLookUpTolerance) <= bufferEnd) {\n return 1;\n }\n else if (candidate.start - maxFragLookUpTolerance > bufferEnd) {\n return -1;\n }\n return 0;\n });\n } else {\n // reach end of playlist\n foundFrag = fragments[fragLen-1];\n }\n if (foundFrag) {\n frag = foundFrag;\n start = foundFrag.start;\n //logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn);\n if (fragPrevious && frag.level === fragPrevious.level && frag.sn === fragPrevious.sn) {\n if (frag.sn < levelDetails.endSN) {\n frag = fragments[frag.sn + 1 - levelDetails.startSN];\n logger.log(`SN just loaded, load next one: ${frag.sn}`);\n } else {\n // have we reached end of VOD playlist ?\n if (!levelDetails.live) {\n // Finalize the media stream\n this.hls.trigger(Event.BUFFER_EOS);\n // We might be loading the last fragment but actually the media\n // is currently processing a seek command and waiting for new data to resume at another point.\n // Going to ended state while media is seeking can spawn an infinite buffering broken state.\n if (!this.media.seeking) {\n this.state = State.ENDED;\n }\n }\n frag = null;\n }\n }\n }\n }\n if(frag) {\n //logger.log(' loading frag ' + i +',pos/bufEnd:' + pos.toFixed(3) + '/' + bufferEnd.toFixed(3));\n if ((frag.decryptdata.uri != null) && (frag.decryptdata.key == null)) {\n logger.log(`Loading key for ${frag.sn} of [${levelDetails.startSN} ,${levelDetails.endSN}],level ${level}`);\n this.state = State.KEY_LOADING;\n hls.trigger(Event.KEY_LOADING, {frag: frag});\n } else {\n logger.log(`Loading ${frag.sn} of [${levelDetails.startSN} ,${levelDetails.endSN}],level ${level}, currentTime:${pos},bufferEnd:${bufferEnd.toFixed(3)}`);\n frag.autoLevel = hls.autoLevelEnabled;\n if (this.levels.length > 1) {\n frag.expectedLen = Math.round(frag.duration * this.levels[level].bitrate / 8);\n frag.trequest = performance.now();\n }\n // ensure that we are not reloading the same fragments in loop ...\n if (this.fragLoadIdx !== undefined) {\n this.fragLoadIdx++;\n } else {\n this.fragLoadIdx = 0;\n }\n if (frag.loadCounter) {\n frag.loadCounter++;\n let maxThreshold = config.fragLoadingLoopThreshold;\n // if this frag has already been loaded 3 times, and if it has been reloaded recently\n if (frag.loadCounter > maxThreshold && (Math.abs(this.fragLoadIdx - frag.loadIdx) < maxThreshold)) {\n hls.trigger(Event.ERROR, {type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_LOOP_LOADING_ERROR, fatal: false, frag: frag});\n return;\n }\n } else {\n frag.loadCounter = 1;\n }\n frag.loadIdx = this.fragLoadIdx;\n this.fragCurrent = frag;\n this.startFragRequested = true;\n hls.trigger(Event.FRAG_LOADING, {frag: frag});\n this.state = State.FRAG_LOADING;\n }\n }\n }\n break;\n case State.WAITING_LEVEL:\n level = this.levels[this.level];\n // check if playlist is already loaded\n if (level && level.details) {\n this.state = State.IDLE;\n }\n break;\n case State.FRAG_LOADING_WAITING_RETRY:\n var now = performance.now();\n var retryDate = this.retryDate;\n var media = this.media;\n var isSeeking = media && media.seeking;\n // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading\n if(!retryDate || (now >= retryDate) || isSeeking) {\n logger.log(`mediaController: retryDate reached, switch back to IDLE state`);\n this.state = State.IDLE;\n }\n break;\n case State.STOPPED:\n case State.FRAG_LOADING:\n case State.PARSING:\n case State.PARSED:\n case State.ENDED:\n break;\n default:\n break;\n }\n // check buffer\n this._checkBuffer();\n // check/update current fragment\n this._checkFragmentChanged();\n }\n\n\n\n\n getBufferRange(position) {\n var i, range,\n bufferRange = this.bufferRange;\n if (bufferRange) {\n for (i = bufferRange.length - 1; i >=0; i--) {\n range = bufferRange[i];\n if (position >= range.start && position <= range.end) {\n return range;\n }\n }\n }\n return null;\n }\n\n get currentLevel() {\n if (this.media) {\n var range = this.getBufferRange(this.media.currentTime);\n if (range) {\n return range.frag.level;\n }\n }\n return -1;\n }\n\n get nextBufferRange() {\n if (this.media) {\n // first get end range of current fragment\n return this.followingBufferRange(this.getBufferRange(this.media.currentTime));\n } else {\n return null;\n }\n }\n\n followingBufferRange(range) {\n if (range) {\n // try to get range of next fragment (500ms after this range)\n return this.getBufferRange(range.end + 0.5);\n }\n return null;\n }\n\n get nextLevel() {\n var range = this.nextBufferRange;\n if (range) {\n return range.frag.level;\n } else {\n return -1;\n }\n }\n\n isBuffered(position) {\n let media = this.media;\n if (media) {\n let buffered = media.buffered;\n for (let i = 0; i < buffered.length; i++) {\n if (position >= buffered.start(i) && position <= buffered.end(i)) {\n return true;\n }\n }\n }\n return false;\n }\n\n _checkFragmentChanged() {\n var rangeCurrent, currentTime, video = this.media;\n if (video && video.seeking === false) {\n currentTime = video.currentTime;\n /* if video element is in seeked state, currentTime can only increase.\n (assuming that playback rate is positive ...)\n As sometimes currentTime jumps back to zero after a\n media decode error, check this, to avoid seeking back to\n wrong position after a media decode error\n */\n if(currentTime > video.playbackRate*this.lastCurrentTime) {\n this.lastCurrentTime = currentTime;\n }\n if (this.isBuffered(currentTime)) {\n rangeCurrent = this.getBufferRange(currentTime);\n } else if (this.isBuffered(currentTime + 0.1)) {\n /* ensure that FRAG_CHANGED event is triggered at startup,\n when first video frame is displayed and playback is paused.\n add a tolerance of 100ms, in case current position is not buffered,\n check if current pos+100ms is buffered and use that buffer range\n for FRAG_CHANGED event reporting */\n rangeCurrent = this.getBufferRange(currentTime + 0.1);\n }\n if (rangeCurrent) {\n var fragPlaying = rangeCurrent.frag;\n if (fragPlaying !== this.fragPlaying) {\n this.fragPlaying = fragPlaying;\n this.hls.trigger(Event.FRAG_CHANGED, {frag: fragPlaying});\n }\n }\n }\n }\n\n /*\n on immediate level switch :\n - pause playback if playing\n - cancel any pending load request\n - and trigger a buffer flush\n */\n immediateLevelSwitch() {\n logger.log('immediateLevelSwitch');\n if (!this.immediateSwitch) {\n this.immediateSwitch = true;\n this.previouslyPaused = this.media.paused;\n this.media.pause();\n }\n var fragCurrent = this.fragCurrent;\n if (fragCurrent && fragCurrent.loader) {\n fragCurrent.loader.abort();\n }\n this.fragCurrent = null;\n // increase fragment load Index to avoid frag loop loading error after buffer flush\n this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold;\n this.state = State.PAUSED;\n // flush everything\n this.hls.trigger(Event.BUFFER_FLUSHING, {startOffset: 0, endOffset: Number.POSITIVE_INFINITY});\n }\n\n /*\n on immediate level switch end, after new fragment has been buffered :\n - nudge video decoder by slightly adjusting video currentTime\n - resume the playback if needed\n */\n immediateLevelSwitchEnd() {\n this.immediateSwitch = false;\n let media = this.media;\n if (media && media.readyState) {\n media.currentTime -= 0.0001;\n if (!this.previouslyPaused) {\n media.play();\n }\n }\n }\n\n nextLevelSwitch() {\n /* try to switch ASAP without breaking video playback :\n in order to ensure smooth but quick level switching,\n we need to find the next flushable buffer range\n we should take into account new segment fetch time\n */\n let media = this.media;\n // ensure that media is defined and that metadata are available (to retrieve currentTime)\n if (media && media.readyState) {\n let fetchdelay, currentRange, nextRange;\n // increase fragment load Index to avoid frag loop loading error after buffer flush\n this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold;\n currentRange = this.getBufferRange(media.currentTime);\n if (currentRange && currentRange.start > 1) {\n // flush buffer preceding current fragment (flush until current fragment start offset)\n // minus 1s to avoid video freezing, that could happen if we flush keyframe of current video ...\n this.state = State.PAUSED;\n this.hls.trigger(Event.BUFFER_FLUSHING, {startOffset: 0, endOffset: currentRange.start - 1});\n }\n if (!media.paused) {\n // add a safety delay of 1s\n var nextLevelId = this.hls.nextLoadLevel,nextLevel = this.levels[nextLevelId], fragLastKbps = this.fragLastKbps;\n if (fragLastKbps && this.fragCurrent) {\n fetchdelay = this.fragCurrent.duration * nextLevel.bitrate / (1000 * fragLastKbps) + 1;\n } else {\n fetchdelay = 0;\n }\n } else {\n fetchdelay = 0;\n }\n //logger.log('fetchdelay:'+fetchdelay);\n // find buffer range that will be reached once new fragment will be fetched\n nextRange = this.getBufferRange(media.currentTime + fetchdelay);\n if (nextRange) {\n // we can flush buffer range following this one without stalling playback\n nextRange = this.followingBufferRange(nextRange);\n if (nextRange) {\n // if we are here, we can also cancel any loading/demuxing in progress, as they are useless\n var fragCurrent = this.fragCurrent;\n if (fragCurrent && fragCurrent.loader) {\n fragCurrent.loader.abort();\n }\n this.fragCurrent = null;\n // flush position is the start position of this new buffer\n this.state = State.PAUSED;\n this.hls.trigger(Event.BUFFER_FLUSHING, {startOffset: nextRange.start, endOffset: Number.POSITIVE_INFINITY});\n }\n }\n }\n }\n\n onMediaAttached(data) {\n var media = this.media = data.media;\n this.onvseeking = this.onMediaSeeking.bind(this);\n this.onvseeked = this.onMediaSeeked.bind(this);\n this.onvended = this.onMediaEnded.bind(this);\n media.addEventListener('seeking', this.onvseeking);\n media.addEventListener('seeked', this.onvseeked);\n media.addEventListener('ended', this.onvended);\n if(this.levels && this.config.autoStartLoad) {\n this.hls.startLoad();\n }\n }\n\n onMediaDetaching() {\n var media = this.media;\n if (media && media.ended) {\n logger.log('MSE detaching and video ended, reset startPosition');\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n // reset fragment loading counter on MSE detaching to avoid reporting FRAG_LOOP_LOADING_ERROR after error recovery\n var levels = this.levels;\n if (levels) {\n // reset fragment load counter\n levels.forEach(level => {\n if(level.details) {\n level.details.fragments.forEach(fragment => {\n fragment.loadCounter = undefined;\n });\n }\n });\n }\n // remove video listeners\n if (media) {\n media.removeEventListener('seeking', this.onvseeking);\n media.removeEventListener('seeked', this.onvseeked);\n media.removeEventListener('ended', this.onvended);\n this.onvseeking = this.onvseeked = this.onvended = null;\n }\n this.media = null;\n this.loadedmetadata = false;\n this.stopLoad();\n }\n\n onMediaSeeking() {\n if (this.state === State.FRAG_LOADING) {\n // check if currently loaded fragment is inside buffer.\n //if outside, cancel fragment loading, otherwise do nothing\n if (BufferHelper.bufferInfo(this.media,this.media.currentTime,this.config.maxBufferHole).len === 0) {\n logger.log('seeking outside of buffer while fragment load in progress, cancel fragment load');\n var fragCurrent = this.fragCurrent;\n if (fragCurrent) {\n if (fragCurrent.loader) {\n fragCurrent.loader.abort();\n }\n this.fragCurrent = null;\n }\n this.fragPrevious = null;\n // switch to IDLE state to load new fragment\n this.state = State.IDLE;\n }\n } else if (this.state === State.ENDED) {\n // switch to IDLE state to check for potential new fragment\n this.state = State.IDLE;\n }\n if (this.media) {\n this.lastCurrentTime = this.media.currentTime;\n }\n // avoid reporting fragment loop loading error in case user is seeking several times on same position\n if (this.fragLoadIdx !== undefined) {\n this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold;\n }\n // tick to speed up processing\n this.tick();\n }\n\n onMediaSeeked() {\n // tick to speed up FRAGMENT_PLAYING triggering\n this.tick();\n }\n\n onMediaEnded() {\n logger.log('media ended');\n // reset startPosition and lastCurrentTime to restart playback @ stream beginning\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n\n onManifestLoading() {\n // reset buffer on manifest loading\n logger.log('trigger BUFFER_RESET');\n this.hls.trigger(Event.BUFFER_RESET);\n this.bufferRange = [];\n this.stalled = false;\n }\n\n onManifestParsed(data) {\n var aac = false, heaac = false, codec;\n data.levels.forEach(level => {\n // detect if we have different kind of audio codecs used amongst playlists\n codec = level.audioCodec;\n if (codec) {\n if (codec.indexOf('mp4a.40.2') !== -1) {\n aac = true;\n }\n if (codec.indexOf('mp4a.40.5') !== -1) {\n heaac = true;\n }\n }\n });\n this.audioCodecSwitch = (aac && heaac);\n if (this.audioCodecSwitch) {\n logger.log('both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC');\n }\n this.levels = data.levels;\n this.startLevelLoaded = false;\n this.startFragRequested = false;\n if (this.config.autoStartLoad) {\n this.hls.startLoad();\n }\n }\n\n onLevelLoaded(data) {\n var newDetails = data.details,\n newLevelId = data.level,\n curLevel = this.levels[newLevelId],\n duration = newDetails.totalduration,\n sliding = 0;\n\n logger.log(`level ${newLevelId} loaded [${newDetails.startSN},${newDetails.endSN}],duration:${duration}`);\n this.levelLastLoaded = newLevelId;\n\n if (newDetails.live) {\n var curDetails = curLevel.details;\n if (curDetails) {\n // we already have details for that level, merge them\n LevelHelper.mergeDetails(curDetails,newDetails);\n sliding = newDetails.fragments[0].start;\n if (newDetails.PTSKnown) {\n logger.log(`live playlist sliding:${sliding.toFixed(3)}`);\n } else {\n logger.log('live playlist - outdated PTS, unknown sliding');\n }\n } else {\n newDetails.PTSKnown = false;\n logger.log('live playlist - first load, unknown sliding');\n }\n } else {\n newDetails.PTSKnown = false;\n }\n // override level info\n curLevel.details = newDetails;\n this.hls.trigger(Event.LEVEL_UPDATED, { details: newDetails, level: newLevelId });\n\n // compute start position\n if (this.startFragRequested === false) {\n // if live playlist, set start position to be fragment N-this.config.liveSyncDurationCount (usually 3)\n if (newDetails.live) {\n let targetLatency = this.config.liveSyncDuration !== undefined ? this.config.liveSyncDuration : this.config.liveSyncDurationCount * newDetails.targetduration;\n this.startPosition = Math.max(0, sliding + duration - targetLatency);\n }\n this.nextLoadPosition = this.startPosition;\n }\n // only switch batck to IDLE state if we were waiting for level to start downloading a new fragment\n if (this.state === State.WAITING_LEVEL) {\n this.state = State.IDLE;\n }\n //trigger handler right now\n this.tick();\n }\n\n onKeyLoaded() {\n if (this.state === State.KEY_LOADING) {\n this.state = State.IDLE;\n this.tick();\n }\n }\n\n onFragLoaded(data) {\n var fragCurrent = this.fragCurrent;\n if (this.state === State.FRAG_LOADING &&\n fragCurrent &&\n data.frag.level === fragCurrent.level &&\n data.frag.sn === fragCurrent.sn) {\n\n logger.log(`Loaded ${fragCurrent.sn} of level ${fragCurrent.level}`);\n if (this.fragBitrateTest === true) {\n // switch back to IDLE state ... we just loaded a fragment to determine adequate start bitrate and initialize autoswitch algo\n this.state = State.IDLE;\n this.fragBitrateTest = false;\n this.startFragRequested = false;\n data.stats.tparsed = data.stats.tbuffered = performance.now();\n this.hls.trigger(Event.FRAG_BUFFERED, {stats: data.stats, frag: fragCurrent});\n } else {\n this.state = State.PARSING;\n // transmux the MPEG-TS data to ISO-BMFF segments\n this.stats = data.stats;\n var currentLevel = this.levels[this.level],\n details = currentLevel.details,\n duration = details.totalduration,\n start = fragCurrent.startDTS !== undefined ? fragCurrent.startDTS : fragCurrent.start,\n level = fragCurrent.level,\n sn = fragCurrent.sn,\n audioCodec = currentLevel.audioCodec || this.config.defaultAudioCodec;\n if(this.audioCodecSwap) {\n logger.log('swapping playlist audio codec');\n if(audioCodec === undefined) {\n audioCodec = this.lastAudioCodec;\n }\n if(audioCodec) {\n if(audioCodec.indexOf('mp4a.40.5') !==-1) {\n audioCodec = 'mp4a.40.2';\n } else {\n audioCodec = 'mp4a.40.5';\n }\n }\n }\n this.pendingAppending = 0;\n logger.log(`Demuxing ${sn} of [${details.startSN} ,${details.endSN}],level ${level}`);\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.push(data.payload, audioCodec, currentLevel.videoCodec, start, fragCurrent.cc, level, sn, duration, fragCurrent.decryptdata);\n }\n }\n }\n this.fragLoadError = 0;\n }\n\n onFragParsingInitSegment(data) {\n if (this.state === State.PARSING) {\n var tracks = data.tracks, trackName, track;\n\n // include levelCodec in audio and video tracks\n track = tracks.audio;\n if(track) {\n var audioCodec = this.levels[this.level].audioCodec,\n ua = navigator.userAgent.toLowerCase();\n if(audioCodec && this.audioCodecSwap) {\n logger.log('swapping playlist audio codec');\n if(audioCodec.indexOf('mp4a.40.5') !==-1) {\n audioCodec = 'mp4a.40.2';\n } else {\n audioCodec = 'mp4a.40.5';\n }\n }\n // in case AAC and HE-AAC audio codecs are signalled in manifest\n // force HE-AAC , as it seems that most browsers prefers that way,\n // except for mono streams OR on FF\n // these conditions might need to be reviewed ...\n if (this.audioCodecSwitch) {\n // don't force HE-AAC if mono stream\n if(track.metadata.channelCount !== 1 &&\n // don't force HE-AAC if firefox\n ua.indexOf('firefox') === -1) {\n audioCodec = 'mp4a.40.5';\n }\n }\n // HE-AAC is broken on Android, always signal audio codec as AAC even if variant manifest states otherwise\n if(ua.indexOf('android') !== -1) {\n audioCodec = 'mp4a.40.2';\n logger.log(`Android: force audio codec to` + audioCodec);\n }\n track.levelCodec = audioCodec;\n }\n track = tracks.video;\n if(track) {\n track.levelCodec = this.levels[this.level].videoCodec;\n }\n\n // if remuxer specify that a unique track needs to generated,\n // let's merge all tracks together\n if (data.unique) {\n var mergedTrack = {\n codec : '',\n levelCodec : ''\n };\n for (trackName in data.tracks) {\n track = tracks[trackName];\n mergedTrack.container = track.container;\n if (mergedTrack.codec) {\n mergedTrack.codec += ',';\n mergedTrack.levelCodec += ',';\n }\n if(track.codec) {\n mergedTrack.codec += track.codec;\n }\n if (track.levelCodec) {\n mergedTrack.levelCodec += track.levelCodec;\n }\n }\n tracks = { audiovideo : mergedTrack };\n }\n this.hls.trigger(Event.BUFFER_CODECS,tracks);\n // loop through tracks that are going to be provided to bufferController\n for (trackName in tracks) {\n track = tracks[trackName];\n logger.log(`track:${trackName},container:${track.container},codecs[level/parsed]=[${track.levelCodec}/${track.codec}]`);\n var initSegment = track.initSegment;\n if (initSegment) {\n this.pendingAppending++;\n this.hls.trigger(Event.BUFFER_APPENDING, {type: trackName, data: initSegment});\n }\n }\n //trigger handler right now\n this.tick();\n }\n }\n\n onFragParsingData(data) {\n if (this.state === State.PARSING) {\n this.tparse2 = Date.now();\n var level = this.levels[this.level],\n frag = this.fragCurrent;\n\n 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}`);\n\n var drift = LevelHelper.updateFragPTSDTS(level.details,frag.sn,data.startPTS,data.endPTS,data.startDTS,data.endDTS),\n hls = this.hls;\n hls.trigger(Event.LEVEL_PTS_UPDATED, {details: level.details, level: this.level, drift: drift});\n\n [data.data1, data.data2].forEach(buffer => {\n if (buffer) {\n this.pendingAppending++;\n hls.trigger(Event.BUFFER_APPENDING, {type: data.type, data: buffer});\n }\n });\n\n this.nextLoadPosition = data.endPTS;\n this.bufferRange.push({type: data.type, start: data.startPTS, end: data.endPTS, frag: frag});\n\n //trigger handler right now\n this.tick();\n } else {\n logger.warn(`not in PARSING state but ${this.state}, ignoring FRAG_PARSING_DATA event`);\n }\n }\n\n onFragParsed() {\n if (this.state === State.PARSING) {\n this.stats.tparsed = performance.now();\n this.state = State.PARSED;\n this._checkAppendedParsed();\n }\n }\n\n onBufferAppended() {\n switch (this.state) {\n case State.PARSING:\n case State.PARSED:\n this.pendingAppending--;\n this._checkAppendedParsed();\n break;\n default:\n break;\n }\n }\n\n _checkAppendedParsed() {\n //trigger handler right now\n if (this.state === State.PARSED && this.pendingAppending === 0) {\n var frag = this.fragCurrent, stats = this.stats;\n if (frag) {\n this.fragPrevious = frag;\n stats.tbuffered = performance.now();\n this.fragLastKbps = Math.round(8 * stats.length / (stats.tbuffered - stats.tfirst));\n this.hls.trigger(Event.FRAG_BUFFERED, {stats: stats, frag: frag});\n logger.log(`media buffered : ${this.timeRangesToString(this.media.buffered)}`);\n this.state = State.IDLE;\n }\n this.tick();\n }\n }\n\n onError(data) {\n switch(data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n if(!data.fatal) {\n var loadError = this.fragLoadError;\n if(loadError) {\n loadError++;\n } else {\n loadError=1;\n }\n if (loadError <= this.config.fragLoadingMaxRetry) {\n this.fragLoadError = loadError;\n // reset load counter to avoid frag loop loading error\n data.frag.loadCounter = 0;\n // exponential backoff capped to 64s\n var delay = Math.min(Math.pow(2,loadError-1)*this.config.fragLoadingRetryDelay,64000);\n logger.warn(`mediaController: frag loading failed, retry in ${delay} ms`);\n this.retryDate = performance.now() + delay;\n // retry loading state\n this.state = State.FRAG_LOADING_WAITING_RETRY;\n } else {\n logger.error(`mediaController: ${data.details} reaches max retry, redispatch as fatal ...`);\n // redispatch same error but with fatal set to true\n data.fatal = true;\n this.hls.trigger(Event.ERROR, data);\n this.state = State.ERROR;\n }\n }\n break;\n case ErrorDetails.FRAG_LOOP_LOADING_ERROR:\n case ErrorDetails.LEVEL_LOAD_ERROR:\n case ErrorDetails.LEVEL_LOAD_TIMEOUT:\n case ErrorDetails.KEY_LOAD_ERROR:\n case ErrorDetails.KEY_LOAD_TIMEOUT:\n // when in ERROR state, don't switch back to IDLE state in case a non-fatal error is received\n if(this.state !== State.ERROR) {\n // if fatal error, stop processing, otherwise move to IDLE to retry loading\n this.state = data.fatal ? State.ERROR : State.IDLE;\n logger.warn(`mediaController: ${data.details} while loading frag,switch to ${this.state} state ...`);\n }\n break;\n case ErrorDetails.BUFFER_FULL_ERROR:\n // trigger a smooth level switch to empty buffers\n // also reduce max buffer length as it might be too high. we do this to avoid loop flushing ...\n this.config.maxMaxBufferLength/=2;\n logger.warn(`reduce max buffer length to ${this.config.maxMaxBufferLength}s and trigger a nextLevelSwitch to flush old buffer and fix QuotaExceededError`);\n this.nextLevelSwitch();\n break;\n default:\n break;\n }\n }\n\n_checkBuffer() {\n var media = this.media;\n if(media) {\n // compare readyState\n var readyState = media.readyState;\n // if ready state different from HAVE_NOTHING (numeric value 0), we are allowed to seek\n if(readyState) {\n var targetSeekPosition, currentTime;\n // if seek after buffered defined, let's seek if within acceptable range\n var seekAfterBuffered = this.seekAfterBuffered;\n if(seekAfterBuffered) {\n if(media.duration >= seekAfterBuffered) {\n targetSeekPosition = seekAfterBuffered;\n this.seekAfterBuffered = undefined;\n }\n } else {\n currentTime = media.currentTime;\n var loadedmetadata = this.loadedmetadata;\n\n // adjust currentTime to start position on loaded metadata\n if(!loadedmetadata && media.buffered.length) {\n this.loadedmetadata = true;\n // only adjust currentTime if not equal to 0\n if (!currentTime && currentTime !== this.startPosition) {\n targetSeekPosition = this.startPosition;\n }\n }\n }\n if (targetSeekPosition) {\n currentTime = targetSeekPosition;\n logger.log(`target seek position:${targetSeekPosition}`);\n }\n var bufferInfo = BufferHelper.bufferInfo(media,currentTime,0),\n expectedPlaying = !(media.paused || media.ended || media.seeking || media.buffered.length === 0),\n jumpThreshold = 0.4, // tolerance needed as some browsers stalls playback before reaching buffered range end\n playheadMoving = currentTime > media.playbackRate*this.lastCurrentTime;\n\n if (this.stalled && playheadMoving) {\n this.stalled = false;\n logger.log(`playback not stuck anymore @${currentTime}`);\n }\n // check buffer upfront\n // if less than jumpThreshold second is buffered, and media is expected to play but playhead is not moving,\n // and we have a new buffer range available upfront, let's seek to that one\n if(expectedPlaying && bufferInfo.len <= jumpThreshold) {\n if(playheadMoving) {\n // playhead moving\n jumpThreshold = 0;\n this.seekHoleNudgeDuration = 0;\n } else {\n // playhead not moving AND media expected to play\n if(!this.stalled) {\n this.seekHoleNudgeDuration = 0;\n logger.log(`playback seems stuck @${currentTime}`);\n this.hls.trigger(Event.ERROR, {type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_STALLED_ERROR, fatal: false});\n this.stalled = true;\n } else {\n this.seekHoleNudgeDuration += this.config.seekHoleNudgeDuration;\n }\n }\n // if we are below threshold, try to jump if next buffer range is close\n if(bufferInfo.len <= jumpThreshold) {\n // no buffer available @ currentTime, check if next buffer is close (within a config.maxSeekHole second range)\n var nextBufferStart = bufferInfo.nextStart, delta = nextBufferStart-currentTime;\n if(nextBufferStart &&\n (delta < this.config.maxSeekHole) &&\n (delta > 0) &&\n !media.seeking) {\n // next buffer is close ! adjust currentTime to nextBufferStart\n // this will ensure effective video decoding\n logger.log(`adjust currentTime from ${media.currentTime} to next buffered @ ${nextBufferStart} + nudge ${this.seekHoleNudgeDuration}`);\n let hole = nextBufferStart + this.seekHoleNudgeDuration - media.currentTime;\n media.currentTime = nextBufferStart + this.seekHoleNudgeDuration;\n this.hls.trigger(Event.ERROR, {type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_SEEK_OVER_HOLE, fatal: false, hole : hole});\n }\n }\n } else {\n let currentTime = media.currentTime;\n if (targetSeekPosition && currentTime !== targetSeekPosition) {\n if(bufferInfo.len === 0) {\n let nextStart = bufferInfo.nextStart;\n if (nextStart !== undefined &&\n (nextStart - targetSeekPosition) < this.config.maxSeekHole) {\n targetSeekPosition = nextStart;\n logger.log(`target seek position not buffered, seek to next buffered ${targetSeekPosition}`);\n }\n }\n logger.log(`adjust currentTime from ${currentTime} to ${targetSeekPosition}`);\n media.currentTime = targetSeekPosition;\n }\n }\n }\n }\n }\n\n onFragLoadEmergencyAborted() {\n this.state = State.IDLE;\n this.tick();\n }\n\n onBufferFlushed() {\n /* after successful buffer flushing, rebuild buffer Range array\n loop through existing buffer range and check if\n corresponding range is still buffered. only push to new array already buffered range\n */\n var newRange = [],range,i;\n for (i = 0; i < this.bufferRange.length; i++) {\n range = this.bufferRange[i];\n if (this.isBuffered((range.start + range.end) / 2)) {\n newRange.push(range);\n }\n }\n this.bufferRange = newRange;\n\n // handle end of immediate switching if needed\n if (this.immediateSwitch) {\n this.immediateLevelSwitchEnd();\n }\n // move to IDLE once flush complete. this should trigger new fragment loading\n this.state = State.IDLE;\n // reset reference to frag\n this.fragPrevious = null;\n }\n\n swapAudioCodec() {\n this.audioCodecSwap = !this.audioCodecSwap;\n }\n\n timeRangesToString(r) {\n var log = '', len = r.length;\n for (var i=0; i 1) {\n setTimeout(this.tick, 1);\n }\n this.ticks = 0;\n }\n }\n\n doTick() {\n var pos, level, levelDetails, hls = this.hls, config = hls.config, media = this.media, isSeeking = media && media.seeking;\n //logger.log(this.state);\n switch(this.state) {\n case State.ERROR:\n //don't do anything in error state to avoid breaking further ...\n case State.PAUSED:\n //don't do anything in paused state either ...\n break;\n case State.STARTING:\n // determine load level\n let startLevel = hls.startLevel;\n if (startLevel === -1) {\n // -1 : guess start Level by doing a bitrate test by loading first fragment of lowest quality level\n startLevel = 0;\n this.fragBitrateTest = true;\n }\n // set new level to playlist loader : this will trigger start level load\n // hls.nextLoadLevel remains until it is set to a new value or until a new frag is successfully loaded\n this.level = hls.nextLoadLevel = startLevel;\n this.state = State.WAITING_LEVEL;\n this.loadedmetadata = false;\n break;\n case State.IDLE:\n // if video not attached AND\n // start fragment already requested OR start frag prefetch disable\n // exit loop\n // => if media not attached but start frag prefetch is enabled and start frag not requested yet, we will not exit loop\n if (!media &&\n (this.startFragRequested || !config.startFragPrefetch)) {\n break;\n }\n // determine next candidate fragment to be loaded, based on current position and\n // end of buffer position\n // ensure 60s of buffer upfront\n // if we have not yet loaded any fragment, start loading from start position\n if (this.loadedmetadata) {\n pos = media.currentTime;\n } else {\n pos = this.nextLoadPosition;\n }\n level = hls.nextLoadLevel;\n var bufferInfo = BufferHelper.bufferInfo(media,pos,config.maxBufferHole),\n bufferLen = bufferInfo.len,\n bufferEnd = bufferInfo.end,\n fragPrevious = this.fragPrevious,\n maxBufLen;\n // 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\n if ((this.levels[level]).hasOwnProperty('bitrate')) {\n maxBufLen = Math.max(8 * config.maxBufferSize / this.levels[level].bitrate, config.maxBufferLength);\n maxBufLen = Math.min(maxBufLen, config.maxMaxBufferLength);\n } else {\n maxBufLen = config.maxBufferLength;\n }\n // if buffer length is less than maxBufLen try to load a new fragment\n if (bufferLen < maxBufLen) {\n // set next load level : this will trigger a playlist load if needed\n hls.nextLoadLevel = level;\n this.level = level;\n levelDetails = this.levels[level].details;\n // if level info not retrieved yet, switch state and wait for level retrieval\n // if live playlist, ensure that new playlist has been refreshed to avoid loading/try to load\n // a useless and outdated fragment (that might even introduce load error if it is already out of the live playlist)\n if (typeof levelDetails === 'undefined' || levelDetails.live && this.levelLastLoaded !== level) {\n this.state = State.WAITING_LEVEL;\n break;\n }\n // find fragment index, contiguous with end of buffer position\n let fragments = levelDetails.fragments,\n fragLen = fragments.length,\n start = fragments[0].start,\n end = fragments[fragLen-1].start + fragments[fragLen-1].duration,\n frag;\n\n // in case of live playlist we need to ensure that requested position is not located before playlist start\n if (levelDetails.live) {\n // check if requested position is within seekable boundaries :\n //logger.log(`start/pos/bufEnd/seeking:${start.toFixed(3)}/${pos.toFixed(3)}/${bufferEnd.toFixed(3)}/${media.seeking}`);\n let maxLatency = config.liveMaxLatencyDuration !== undefined ? config.liveMaxLatencyDuration : config.liveMaxLatencyDurationCount*levelDetails.targetduration;\n\n if (bufferEnd < Math.max(start, end - maxLatency)) {\n let targetLatency = config.liveSyncDuration !== undefined ? config.liveSyncDuration : config.liveSyncDurationCount * levelDetails.targetduration;\n this.seekAfterBuffered = start + Math.max(0, levelDetails.totalduration - targetLatency);\n logger.log(`buffer end: ${bufferEnd} is located too far from the end of live sliding playlist, media position will be reseted to: ${this.seekAfterBuffered.toFixed(3)}`);\n bufferEnd = this.seekAfterBuffered;\n }\n\n // if end of buffer greater than live edge, don't load any fragment\n // this could happen if live playlist intermittently slides in the past.\n // level 1 loaded [182580161,182580167]\n // level 1 loaded [182580162,182580169]\n // Loading 182580168 of [182580162 ,182580169],level 1 ..\n // Loading 182580169 of [182580162 ,182580169],level 1 ..\n // level 1 loaded [182580162,182580168] <============= here we should have bufferEnd > end. in that case break to avoid reloading 182580168\n // level 1 loaded [182580164,182580171]\n //\n if (levelDetails.PTSKnown && bufferEnd > end) {\n break;\n }\n\n if (this.startFragRequested && !levelDetails.PTSKnown) {\n /* we are switching level on live playlist, but we don't have any PTS info for that quality level ...\n try to load frag matching with next SN.\n even if SN are not synchronized between playlists, loading this frag will help us\n compute playlist sliding and find the right one after in case it was not the right consecutive one */\n if (fragPrevious) {\n var targetSN = fragPrevious.sn + 1;\n if (targetSN >= levelDetails.startSN && targetSN <= levelDetails.endSN) {\n frag = fragments[targetSN - levelDetails.startSN];\n logger.log(`live playlist, switching playlist, load frag with next SN: ${frag.sn}`);\n }\n }\n if (!frag) {\n /* we have no idea about which fragment should be loaded.\n so let's load mid fragment. it will help computing playlist sliding and find the right one\n */\n frag = fragments[Math.min(fragLen - 1, Math.round(fragLen / 2))];\n logger.log(`live playlist, switching playlist, unknown, load middle frag : ${frag.sn}`);\n }\n }\n } else {\n // VoD playlist: if bufferEnd before start of playlist, load first fragment\n if (bufferEnd < start) {\n frag = fragments[0];\n }\n }\n if (!frag) {\n let maxFragLookUpTolerance = config.maxFragLookUpTolerance;\n if (bufferEnd < end) {\n // no frag look up tolerance in case bufferEnd close to end, or media seeking\n if (bufferEnd > end - maxFragLookUpTolerance || isSeeking) {\n maxFragLookUpTolerance = 0;\n }\n frag = BinarySearch.search(fragments, (candidate) => {\n // offset should be within fragment boundary - config.maxFragLookUpTolerance\n // this is to cope with situations like\n // bufferEnd = 9.991\n // frag[Ø] : [0,10]\n // frag[1] : [10,20]\n // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here\n // frag start frag start+duration\n // |-----------------------------|\n // <---> <--->\n // ...--------><-----------------------------><---------....\n // previous frag matching fragment next frag\n // return -1 return 0 return 1\n //logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`);\n if ((candidate.start + candidate.duration - maxFragLookUpTolerance) <= bufferEnd) {\n return 1;\n }\n else if (candidate.start - maxFragLookUpTolerance > bufferEnd) {\n return -1;\n }\n return 0;\n });\n } else {\n // reach end of playlist\n frag = fragments[fragLen-1];\n }\n }\n if(frag) {\n start = frag.start;\n //logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn);\n if (fragPrevious && frag.level === fragPrevious.level && frag.sn === fragPrevious.sn) {\n if (frag.sn < levelDetails.endSN) {\n frag = fragments[frag.sn + 1 - levelDetails.startSN];\n logger.log(`SN just loaded, load next one: ${frag.sn}`);\n } else {\n // have we reached end of VOD playlist ?\n if (!levelDetails.live) {\n // Finalize the media stream\n this.hls.trigger(Event.BUFFER_EOS);\n // We might be loading the last fragment but actually the media\n // is currently processing a seek command and waiting for new data to resume at another point.\n // Going to ended state while media is seeking can spawn an infinite buffering broken state.\n if (!isSeeking) {\n this.state = State.ENDED;\n }\n }\n return;\n }\n }\n //logger.log(' loading frag ' + i +',pos/bufEnd:' + pos.toFixed(3) + '/' + bufferEnd.toFixed(3));\n if ((frag.decryptdata.uri != null) && (frag.decryptdata.key == null)) {\n logger.log(`Loading key for ${frag.sn} of [${levelDetails.startSN} ,${levelDetails.endSN}],level ${level}`);\n this.state = State.KEY_LOADING;\n hls.trigger(Event.KEY_LOADING, {frag: frag});\n } else {\n logger.log(`Loading ${frag.sn} of [${levelDetails.startSN} ,${levelDetails.endSN}],level ${level}, currentTime:${pos},bufferEnd:${bufferEnd.toFixed(3)}`);\n frag.autoLevel = hls.autoLevelEnabled;\n if (this.levels.length > 1) {\n frag.expectedLen = Math.round(frag.duration * this.levels[level].bitrate / 8);\n frag.trequest = performance.now();\n }\n // ensure that we are not reloading the same fragments in loop ...\n if (this.fragLoadIdx !== undefined) {\n this.fragLoadIdx++;\n } else {\n this.fragLoadIdx = 0;\n }\n if (frag.loadCounter) {\n frag.loadCounter++;\n let maxThreshold = config.fragLoadingLoopThreshold;\n // if this frag has already been loaded 3 times, and if it has been reloaded recently\n if (frag.loadCounter > maxThreshold && (Math.abs(this.fragLoadIdx - frag.loadIdx) < maxThreshold)) {\n hls.trigger(Event.ERROR, {type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_LOOP_LOADING_ERROR, fatal: false, frag: frag});\n return;\n }\n } else {\n frag.loadCounter = 1;\n }\n frag.loadIdx = this.fragLoadIdx;\n this.fragCurrent = frag;\n this.startFragRequested = true;\n hls.trigger(Event.FRAG_LOADING, {frag: frag});\n this.state = State.FRAG_LOADING;\n }\n }\n }\n break;\n case State.WAITING_LEVEL:\n level = this.levels[this.level];\n // check if playlist is already loaded\n if (level && level.details) {\n this.state = State.IDLE;\n }\n break;\n case State.FRAG_LOADING_WAITING_RETRY:\n var now = performance.now();\n var retryDate = this.retryDate;\n // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading\n if(!retryDate || (now >= retryDate) || isSeeking) {\n logger.log(`mediaController: retryDate reached, switch back to IDLE state`);\n this.state = State.IDLE;\n }\n break;\n case State.STOPPED:\n case State.FRAG_LOADING:\n case State.PARSING:\n case State.PARSED:\n case State.ENDED:\n break;\n default:\n break;\n }\n // check buffer\n this._checkBuffer();\n // check/update current fragment\n this._checkFragmentChanged();\n }\n\n\n\n\n getBufferRange(position) {\n var i, range,\n bufferRange = this.bufferRange;\n if (bufferRange) {\n for (i = bufferRange.length - 1; i >=0; i--) {\n range = bufferRange[i];\n if (position >= range.start && position <= range.end) {\n return range;\n }\n }\n }\n return null;\n }\n\n get currentLevel() {\n if (this.media) {\n var range = this.getBufferRange(this.media.currentTime);\n if (range) {\n return range.frag.level;\n }\n }\n return -1;\n }\n\n get nextBufferRange() {\n if (this.media) {\n // first get end range of current fragment\n return this.followingBufferRange(this.getBufferRange(this.media.currentTime));\n } else {\n return null;\n }\n }\n\n followingBufferRange(range) {\n if (range) {\n // try to get range of next fragment (500ms after this range)\n return this.getBufferRange(range.end + 0.5);\n }\n return null;\n }\n\n get nextLevel() {\n var range = this.nextBufferRange;\n if (range) {\n return range.frag.level;\n } else {\n return -1;\n }\n }\n\n isBuffered(position) {\n let media = this.media;\n if (media) {\n let buffered = media.buffered;\n for (let i = 0; i < buffered.length; i++) {\n if (position >= buffered.start(i) && position <= buffered.end(i)) {\n return true;\n }\n }\n }\n return false;\n }\n\n _checkFragmentChanged() {\n var rangeCurrent, currentTime, video = this.media;\n if (video && video.seeking === false) {\n currentTime = video.currentTime;\n /* if video element is in seeked state, currentTime can only increase.\n (assuming that playback rate is positive ...)\n As sometimes currentTime jumps back to zero after a\n media decode error, check this, to avoid seeking back to\n wrong position after a media decode error\n */\n if(currentTime > video.playbackRate*this.lastCurrentTime) {\n this.lastCurrentTime = currentTime;\n }\n if (this.isBuffered(currentTime)) {\n rangeCurrent = this.getBufferRange(currentTime);\n } else if (this.isBuffered(currentTime + 0.1)) {\n /* ensure that FRAG_CHANGED event is triggered at startup,\n when first video frame is displayed and playback is paused.\n add a tolerance of 100ms, in case current position is not buffered,\n check if current pos+100ms is buffered and use that buffer range\n for FRAG_CHANGED event reporting */\n rangeCurrent = this.getBufferRange(currentTime + 0.1);\n }\n if (rangeCurrent) {\n var fragPlaying = rangeCurrent.frag;\n if (fragPlaying !== this.fragPlaying) {\n this.fragPlaying = fragPlaying;\n this.hls.trigger(Event.FRAG_CHANGED, {frag: fragPlaying});\n }\n }\n }\n }\n\n /*\n on immediate level switch :\n - pause playback if playing\n - cancel any pending load request\n - and trigger a buffer flush\n */\n immediateLevelSwitch() {\n logger.log('immediateLevelSwitch');\n if (!this.immediateSwitch) {\n this.immediateSwitch = true;\n this.previouslyPaused = this.media.paused;\n this.media.pause();\n }\n var fragCurrent = this.fragCurrent;\n if (fragCurrent && fragCurrent.loader) {\n fragCurrent.loader.abort();\n }\n this.fragCurrent = null;\n // increase fragment load Index to avoid frag loop loading error after buffer flush\n this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold;\n this.state = State.PAUSED;\n // flush everything\n this.hls.trigger(Event.BUFFER_FLUSHING, {startOffset: 0, endOffset: Number.POSITIVE_INFINITY});\n }\n\n /*\n on immediate level switch end, after new fragment has been buffered :\n - nudge video decoder by slightly adjusting video currentTime\n - resume the playback if needed\n */\n immediateLevelSwitchEnd() {\n this.immediateSwitch = false;\n let media = this.media;\n if (media && media.readyState) {\n media.currentTime -= 0.0001;\n if (!this.previouslyPaused) {\n media.play();\n }\n }\n }\n\n nextLevelSwitch() {\n /* try to switch ASAP without breaking video playback :\n in order to ensure smooth but quick level switching,\n we need to find the next flushable buffer range\n we should take into account new segment fetch time\n */\n let media = this.media;\n // ensure that media is defined and that metadata are available (to retrieve currentTime)\n if (media && media.readyState) {\n let fetchdelay, currentRange, nextRange;\n // increase fragment load Index to avoid frag loop loading error after buffer flush\n this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold;\n currentRange = this.getBufferRange(media.currentTime);\n if (currentRange && currentRange.start > 1) {\n // flush buffer preceding current fragment (flush until current fragment start offset)\n // minus 1s to avoid video freezing, that could happen if we flush keyframe of current video ...\n this.state = State.PAUSED;\n this.hls.trigger(Event.BUFFER_FLUSHING, {startOffset: 0, endOffset: currentRange.start - 1});\n }\n if (!media.paused) {\n // add a safety delay of 1s\n var nextLevelId = this.hls.nextLoadLevel,nextLevel = this.levels[nextLevelId], fragLastKbps = this.fragLastKbps;\n if (fragLastKbps && this.fragCurrent) {\n fetchdelay = this.fragCurrent.duration * nextLevel.bitrate / (1000 * fragLastKbps) + 1;\n } else {\n fetchdelay = 0;\n }\n } else {\n fetchdelay = 0;\n }\n //logger.log('fetchdelay:'+fetchdelay);\n // find buffer range that will be reached once new fragment will be fetched\n nextRange = this.getBufferRange(media.currentTime + fetchdelay);\n if (nextRange) {\n // we can flush buffer range following this one without stalling playback\n nextRange = this.followingBufferRange(nextRange);\n if (nextRange) {\n // if we are here, we can also cancel any loading/demuxing in progress, as they are useless\n var fragCurrent = this.fragCurrent;\n if (fragCurrent && fragCurrent.loader) {\n fragCurrent.loader.abort();\n }\n this.fragCurrent = null;\n // flush position is the start position of this new buffer\n this.state = State.PAUSED;\n this.hls.trigger(Event.BUFFER_FLUSHING, {startOffset: nextRange.start, endOffset: Number.POSITIVE_INFINITY});\n }\n }\n }\n }\n\n onMediaAttached(data) {\n var media = this.media = data.media;\n this.onvseeking = this.onMediaSeeking.bind(this);\n this.onvseeked = this.onMediaSeeked.bind(this);\n this.onvended = this.onMediaEnded.bind(this);\n media.addEventListener('seeking', this.onvseeking);\n media.addEventListener('seeked', this.onvseeked);\n media.addEventListener('ended', this.onvended);\n if(this.levels && this.config.autoStartLoad) {\n this.hls.startLoad();\n }\n }\n\n onMediaDetaching() {\n var media = this.media;\n if (media && media.ended) {\n logger.log('MSE detaching and video ended, reset startPosition');\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n // reset fragment loading counter on MSE detaching to avoid reporting FRAG_LOOP_LOADING_ERROR after error recovery\n var levels = this.levels;\n if (levels) {\n // reset fragment load counter\n levels.forEach(level => {\n if(level.details) {\n level.details.fragments.forEach(fragment => {\n fragment.loadCounter = undefined;\n });\n }\n });\n }\n // remove video listeners\n if (media) {\n media.removeEventListener('seeking', this.onvseeking);\n media.removeEventListener('seeked', this.onvseeked);\n media.removeEventListener('ended', this.onvended);\n this.onvseeking = this.onvseeked = this.onvended = null;\n }\n this.media = null;\n this.loadedmetadata = false;\n this.stopLoad();\n }\n\n onMediaSeeking() {\n if (this.state === State.FRAG_LOADING) {\n // check if currently loaded fragment is inside buffer.\n //if outside, cancel fragment loading, otherwise do nothing\n if (BufferHelper.bufferInfo(this.media,this.media.currentTime,this.config.maxBufferHole).len === 0) {\n logger.log('seeking outside of buffer while fragment load in progress, cancel fragment load');\n var fragCurrent = this.fragCurrent;\n if (fragCurrent) {\n if (fragCurrent.loader) {\n fragCurrent.loader.abort();\n }\n this.fragCurrent = null;\n }\n this.fragPrevious = null;\n // switch to IDLE state to load new fragment\n this.state = State.IDLE;\n }\n } else if (this.state === State.ENDED) {\n // switch to IDLE state to check for potential new fragment\n this.state = State.IDLE;\n }\n if (this.media) {\n this.lastCurrentTime = this.media.currentTime;\n }\n // avoid reporting fragment loop loading error in case user is seeking several times on same position\n if (this.fragLoadIdx !== undefined) {\n this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold;\n }\n // tick to speed up processing\n this.tick();\n }\n\n onMediaSeeked() {\n // tick to speed up FRAGMENT_PLAYING triggering\n this.tick();\n }\n\n onMediaEnded() {\n logger.log('media ended');\n // reset startPosition and lastCurrentTime to restart playback @ stream beginning\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n\n onManifestLoading() {\n // reset buffer on manifest loading\n logger.log('trigger BUFFER_RESET');\n this.hls.trigger(Event.BUFFER_RESET);\n this.bufferRange = [];\n this.stalled = false;\n }\n\n onManifestParsed(data) {\n var aac = false, heaac = false, codec;\n data.levels.forEach(level => {\n // detect if we have different kind of audio codecs used amongst playlists\n codec = level.audioCodec;\n if (codec) {\n if (codec.indexOf('mp4a.40.2') !== -1) {\n aac = true;\n }\n if (codec.indexOf('mp4a.40.5') !== -1) {\n heaac = true;\n }\n }\n });\n this.audioCodecSwitch = (aac && heaac);\n if (this.audioCodecSwitch) {\n logger.log('both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC');\n }\n this.levels = data.levels;\n this.startLevelLoaded = false;\n this.startFragRequested = false;\n if (this.config.autoStartLoad) {\n this.hls.startLoad();\n }\n }\n\n onLevelLoaded(data) {\n var newDetails = data.details,\n newLevelId = data.level,\n curLevel = this.levels[newLevelId],\n duration = newDetails.totalduration,\n sliding = 0;\n\n logger.log(`level ${newLevelId} loaded [${newDetails.startSN},${newDetails.endSN}],duration:${duration}`);\n this.levelLastLoaded = newLevelId;\n\n if (newDetails.live) {\n var curDetails = curLevel.details;\n if (curDetails) {\n // we already have details for that level, merge them\n LevelHelper.mergeDetails(curDetails,newDetails);\n sliding = newDetails.fragments[0].start;\n if (newDetails.PTSKnown) {\n logger.log(`live playlist sliding:${sliding.toFixed(3)}`);\n } else {\n logger.log('live playlist - outdated PTS, unknown sliding');\n }\n } else {\n newDetails.PTSKnown = false;\n logger.log('live playlist - first load, unknown sliding');\n }\n } else {\n newDetails.PTSKnown = false;\n }\n // override level info\n curLevel.details = newDetails;\n this.hls.trigger(Event.LEVEL_UPDATED, { details: newDetails, level: newLevelId });\n\n // compute start position\n if (this.startFragRequested === false) {\n // if live playlist, set start position to be fragment N-this.config.liveSyncDurationCount (usually 3)\n if (newDetails.live) {\n let targetLatency = this.config.liveSyncDuration !== undefined ? this.config.liveSyncDuration : this.config.liveSyncDurationCount * newDetails.targetduration;\n this.startPosition = Math.max(0, sliding + duration - targetLatency);\n }\n this.nextLoadPosition = this.startPosition;\n }\n // only switch batck to IDLE state if we were waiting for level to start downloading a new fragment\n if (this.state === State.WAITING_LEVEL) {\n this.state = State.IDLE;\n }\n //trigger handler right now\n this.tick();\n }\n\n onKeyLoaded() {\n if (this.state === State.KEY_LOADING) {\n this.state = State.IDLE;\n this.tick();\n }\n }\n\n onFragLoaded(data) {\n var fragCurrent = this.fragCurrent;\n if (this.state === State.FRAG_LOADING &&\n fragCurrent &&\n data.frag.level === fragCurrent.level &&\n data.frag.sn === fragCurrent.sn) {\n\n logger.log(`Loaded ${fragCurrent.sn} of level ${fragCurrent.level}`);\n if (this.fragBitrateTest === true) {\n // switch back to IDLE state ... we just loaded a fragment to determine adequate start bitrate and initialize autoswitch algo\n this.state = State.IDLE;\n this.fragBitrateTest = false;\n this.startFragRequested = false;\n data.stats.tparsed = data.stats.tbuffered = performance.now();\n this.hls.trigger(Event.FRAG_BUFFERED, {stats: data.stats, frag: fragCurrent});\n } else {\n this.state = State.PARSING;\n // transmux the MPEG-TS data to ISO-BMFF segments\n this.stats = data.stats;\n var currentLevel = this.levels[this.level],\n details = currentLevel.details,\n duration = details.totalduration,\n start = fragCurrent.startDTS !== undefined ? fragCurrent.startDTS : fragCurrent.start,\n level = fragCurrent.level,\n sn = fragCurrent.sn,\n audioCodec = currentLevel.audioCodec || this.config.defaultAudioCodec;\n if(this.audioCodecSwap) {\n logger.log('swapping playlist audio codec');\n if(audioCodec === undefined) {\n audioCodec = this.lastAudioCodec;\n }\n if(audioCodec) {\n if(audioCodec.indexOf('mp4a.40.5') !==-1) {\n audioCodec = 'mp4a.40.2';\n } else {\n audioCodec = 'mp4a.40.5';\n }\n }\n }\n this.pendingAppending = 0;\n logger.log(`Demuxing ${sn} of [${details.startSN} ,${details.endSN}],level ${level}`);\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.push(data.payload, audioCodec, currentLevel.videoCodec, start, fragCurrent.cc, level, sn, duration, fragCurrent.decryptdata);\n }\n }\n }\n this.fragLoadError = 0;\n }\n\n onFragParsingInitSegment(data) {\n if (this.state === State.PARSING) {\n var tracks = data.tracks, trackName, track;\n\n // include levelCodec in audio and video tracks\n track = tracks.audio;\n if(track) {\n var audioCodec = this.levels[this.level].audioCodec,\n ua = navigator.userAgent.toLowerCase();\n if(audioCodec && this.audioCodecSwap) {\n logger.log('swapping playlist audio codec');\n if(audioCodec.indexOf('mp4a.40.5') !==-1) {\n audioCodec = 'mp4a.40.2';\n } else {\n audioCodec = 'mp4a.40.5';\n }\n }\n // in case AAC and HE-AAC audio codecs are signalled in manifest\n // force HE-AAC , as it seems that most browsers prefers that way,\n // except for mono streams OR on FF\n // these conditions might need to be reviewed ...\n if (this.audioCodecSwitch) {\n // don't force HE-AAC if mono stream\n if(track.metadata.channelCount !== 1 &&\n // don't force HE-AAC if firefox\n ua.indexOf('firefox') === -1) {\n audioCodec = 'mp4a.40.5';\n }\n }\n // HE-AAC is broken on Android, always signal audio codec as AAC even if variant manifest states otherwise\n if(ua.indexOf('android') !== -1) {\n audioCodec = 'mp4a.40.2';\n logger.log(`Android: force audio codec to` + audioCodec);\n }\n track.levelCodec = audioCodec;\n }\n track = tracks.video;\n if(track) {\n track.levelCodec = this.levels[this.level].videoCodec;\n }\n\n // if remuxer specify that a unique track needs to generated,\n // let's merge all tracks together\n if (data.unique) {\n var mergedTrack = {\n codec : '',\n levelCodec : ''\n };\n for (trackName in data.tracks) {\n track = tracks[trackName];\n mergedTrack.container = track.container;\n if (mergedTrack.codec) {\n mergedTrack.codec += ',';\n mergedTrack.levelCodec += ',';\n }\n if(track.codec) {\n mergedTrack.codec += track.codec;\n }\n if (track.levelCodec) {\n mergedTrack.levelCodec += track.levelCodec;\n }\n }\n tracks = { audiovideo : mergedTrack };\n }\n this.hls.trigger(Event.BUFFER_CODECS,tracks);\n // loop through tracks that are going to be provided to bufferController\n for (trackName in tracks) {\n track = tracks[trackName];\n logger.log(`track:${trackName},container:${track.container},codecs[level/parsed]=[${track.levelCodec}/${track.codec}]`);\n var initSegment = track.initSegment;\n if (initSegment) {\n this.pendingAppending++;\n this.hls.trigger(Event.BUFFER_APPENDING, {type: trackName, data: initSegment});\n }\n }\n //trigger handler right now\n this.tick();\n }\n }\n\n onFragParsingData(data) {\n if (this.state === State.PARSING) {\n this.tparse2 = Date.now();\n var level = this.levels[this.level],\n frag = this.fragCurrent;\n\n 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}`);\n\n var drift = LevelHelper.updateFragPTSDTS(level.details,frag.sn,data.startPTS,data.endPTS,data.startDTS,data.endDTS),\n hls = this.hls;\n hls.trigger(Event.LEVEL_PTS_UPDATED, {details: level.details, level: this.level, drift: drift});\n\n [data.data1, data.data2].forEach(buffer => {\n if (buffer) {\n this.pendingAppending++;\n hls.trigger(Event.BUFFER_APPENDING, {type: data.type, data: buffer});\n }\n });\n\n this.nextLoadPosition = data.endPTS;\n this.bufferRange.push({type: data.type, start: data.startPTS, end: data.endPTS, frag: frag});\n\n //trigger handler right now\n this.tick();\n } else {\n logger.warn(`not in PARSING state but ${this.state}, ignoring FRAG_PARSING_DATA event`);\n }\n }\n\n onFragParsed() {\n if (this.state === State.PARSING) {\n this.stats.tparsed = performance.now();\n this.state = State.PARSED;\n this._checkAppendedParsed();\n }\n }\n\n onBufferAppended() {\n switch (this.state) {\n case State.PARSING:\n case State.PARSED:\n this.pendingAppending--;\n this._checkAppendedParsed();\n break;\n default:\n break;\n }\n }\n\n _checkAppendedParsed() {\n //trigger handler right now\n if (this.state === State.PARSED && this.pendingAppending === 0) {\n var frag = this.fragCurrent, stats = this.stats;\n if (frag) {\n this.fragPrevious = frag;\n stats.tbuffered = performance.now();\n this.fragLastKbps = Math.round(8 * stats.length / (stats.tbuffered - stats.tfirst));\n this.hls.trigger(Event.FRAG_BUFFERED, {stats: stats, frag: frag});\n logger.log(`media buffered : ${this.timeRangesToString(this.media.buffered)}`);\n this.state = State.IDLE;\n }\n this.tick();\n }\n }\n\n onError(data) {\n switch(data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n if(!data.fatal) {\n var loadError = this.fragLoadError;\n if(loadError) {\n loadError++;\n } else {\n loadError=1;\n }\n if (loadError <= this.config.fragLoadingMaxRetry) {\n this.fragLoadError = loadError;\n // reset load counter to avoid frag loop loading error\n data.frag.loadCounter = 0;\n // exponential backoff capped to 64s\n var delay = Math.min(Math.pow(2,loadError-1)*this.config.fragLoadingRetryDelay,64000);\n logger.warn(`mediaController: frag loading failed, retry in ${delay} ms`);\n this.retryDate = performance.now() + delay;\n // retry loading state\n this.state = State.FRAG_LOADING_WAITING_RETRY;\n } else {\n logger.error(`mediaController: ${data.details} reaches max retry, redispatch as fatal ...`);\n // redispatch same error but with fatal set to true\n data.fatal = true;\n this.hls.trigger(Event.ERROR, data);\n this.state = State.ERROR;\n }\n }\n break;\n case ErrorDetails.FRAG_LOOP_LOADING_ERROR:\n case ErrorDetails.LEVEL_LOAD_ERROR:\n case ErrorDetails.LEVEL_LOAD_TIMEOUT:\n case ErrorDetails.KEY_LOAD_ERROR:\n case ErrorDetails.KEY_LOAD_TIMEOUT:\n // when in ERROR state, don't switch back to IDLE state in case a non-fatal error is received\n if(this.state !== State.ERROR) {\n // if fatal error, stop processing, otherwise move to IDLE to retry loading\n this.state = data.fatal ? State.ERROR : State.IDLE;\n logger.warn(`mediaController: ${data.details} while loading frag,switch to ${this.state} state ...`);\n }\n break;\n case ErrorDetails.BUFFER_FULL_ERROR:\n // trigger a smooth level switch to empty buffers\n // also reduce max buffer length as it might be too high. we do this to avoid loop flushing ...\n this.config.maxMaxBufferLength/=2;\n logger.warn(`reduce max buffer length to ${this.config.maxMaxBufferLength}s and trigger a nextLevelSwitch to flush old buffer and fix QuotaExceededError`);\n this.nextLevelSwitch();\n break;\n default:\n break;\n }\n }\n\n_checkBuffer() {\n var media = this.media;\n if(media) {\n // compare readyState\n var readyState = media.readyState;\n // if ready state different from HAVE_NOTHING (numeric value 0), we are allowed to seek\n if(readyState) {\n var targetSeekPosition, currentTime;\n // if seek after buffered defined, let's seek if within acceptable range\n var seekAfterBuffered = this.seekAfterBuffered;\n if(seekAfterBuffered) {\n if(media.duration >= seekAfterBuffered) {\n targetSeekPosition = seekAfterBuffered;\n this.seekAfterBuffered = undefined;\n }\n } else {\n currentTime = media.currentTime;\n var loadedmetadata = this.loadedmetadata;\n\n // adjust currentTime to start position on loaded metadata\n if(!loadedmetadata && media.buffered.length) {\n this.loadedmetadata = true;\n // only adjust currentTime if not equal to 0\n if (!currentTime && currentTime !== this.startPosition) {\n targetSeekPosition = this.startPosition;\n }\n }\n }\n if (targetSeekPosition) {\n currentTime = targetSeekPosition;\n logger.log(`target seek position:${targetSeekPosition}`);\n }\n var bufferInfo = BufferHelper.bufferInfo(media,currentTime,0),\n expectedPlaying = !(media.paused || // not playing when media is paused\n media.ended || // not playing when media is ended\n media.buffered.length === 0), // not playing if nothing buffered\n jumpThreshold = 0.4, // tolerance needed as some browsers stalls playback before reaching buffered range end\n playheadMoving = currentTime > media.playbackRate*this.lastCurrentTime;\n\n if (this.stalled && playheadMoving) {\n this.stalled = false;\n logger.log(`playback not stuck anymore @${currentTime}`);\n }\n // check buffer upfront\n // if less than jumpThreshold second is buffered, and media is expected to play but playhead is not moving,\n // and we have a new buffer range available upfront, let's seek to that one\n if(expectedPlaying && bufferInfo.len <= jumpThreshold) {\n if(playheadMoving) {\n // playhead moving\n jumpThreshold = 0;\n this.seekHoleNudgeDuration = 0;\n } else {\n // playhead not moving AND media expected to play\n if(!this.stalled) {\n this.seekHoleNudgeDuration = 0;\n logger.log(`playback seems stuck @${currentTime}`);\n this.hls.trigger(Event.ERROR, {type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_STALLED_ERROR, fatal: false});\n this.stalled = true;\n } else {\n this.seekHoleNudgeDuration += this.config.seekHoleNudgeDuration;\n }\n }\n // if we are below threshold, try to jump if next buffer range is close\n if(bufferInfo.len <= jumpThreshold) {\n // no buffer available @ currentTime, check if next buffer is close (within a config.maxSeekHole second range)\n var nextBufferStart = bufferInfo.nextStart, delta = nextBufferStart-currentTime;\n if(nextBufferStart &&\n (delta < this.config.maxSeekHole) &&\n (delta > 0)) {\n // next buffer is close ! adjust currentTime to nextBufferStart\n // this will ensure effective video decoding\n logger.log(`adjust currentTime from ${media.currentTime} to next buffered @ ${nextBufferStart} + nudge ${this.seekHoleNudgeDuration}`);\n let hole = nextBufferStart + this.seekHoleNudgeDuration - media.currentTime;\n media.currentTime = nextBufferStart + this.seekHoleNudgeDuration;\n this.hls.trigger(Event.ERROR, {type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_SEEK_OVER_HOLE, fatal: false, hole : hole});\n }\n }\n } else {\n let currentTime = media.currentTime;\n if (targetSeekPosition && currentTime !== targetSeekPosition) {\n if(bufferInfo.len === 0) {\n let nextStart = bufferInfo.nextStart;\n if (nextStart !== undefined &&\n (nextStart - targetSeekPosition) < this.config.maxSeekHole) {\n targetSeekPosition = nextStart;\n logger.log(`target seek position not buffered, seek to next buffered ${targetSeekPosition}`);\n }\n }\n logger.log(`adjust currentTime from ${currentTime} to ${targetSeekPosition}`);\n media.currentTime = targetSeekPosition;\n }\n }\n }\n }\n }\n\n onFragLoadEmergencyAborted() {\n this.state = State.IDLE;\n this.tick();\n }\n\n onBufferFlushed() {\n /* after successful buffer flushing, rebuild buffer Range array\n loop through existing buffer range and check if\n corresponding range is still buffered. only push to new array already buffered range\n */\n var newRange = [],range,i;\n for (i = 0; i < this.bufferRange.length; i++) {\n range = this.bufferRange[i];\n if (this.isBuffered((range.start + range.end) / 2)) {\n newRange.push(range);\n }\n }\n this.bufferRange = newRange;\n\n // handle end of immediate switching if needed\n if (this.immediateSwitch) {\n this.immediateLevelSwitchEnd();\n }\n // move to IDLE once flush complete. this should trigger new fragment loading\n this.state = State.IDLE;\n // reset reference to frag\n this.fragPrevious = null;\n }\n\n swapAudioCodec() {\n this.audioCodecSwap = !this.audioCodecSwap;\n }\n\n timeRangesToString(r) {\n var log = '', len = r.length;\n for (var i=0; i OR CONTRIBUTORS BE\n * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN\n * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n *\n * The views and conclusions contained in the software and documentation\n * are those of the authors and should not be interpreted as representing\n * official policies, either expressed or implied, of the authors.\n */\nclass AES {\n\n /**\n * Schedule out an AES key for both encryption and decryption. This\n * is a low-level class. Use a cipher mode to do bulk encryption.\n *\n * @constructor\n * @param key {Array} The key as an array of 4, 6 or 8 words.\n */\n constructor(key) {\n /**\n * The expanded S-box and inverse S-box tables. These will be computed\n * on the client so that we don't have to send them down the wire.\n *\n * There are two tables, _tables[0] is for encryption and\n * _tables[1] is for decryption.\n *\n * The first 4 sub-tables are the expanded S-box with MixColumns. The\n * last (_tables[01][4]) is the S-box itself.\n *\n * @private\n */\n this._tables = [[[],[],[],[],[]],[[],[],[],[],[]]];\n\n this._precompute();\n\n var i, j, tmp,\n encKey, decKey,\n sbox = this._tables[0][4], decTable = this._tables[1],\n keyLen = key.length, rcon = 1;\n\n if (keyLen !== 4 && keyLen !== 6 && keyLen !== 8) {\n throw new Error('Invalid aes key size=' + keyLen);\n }\n\n encKey = key.slice(0);\n decKey = [];\n this._key = [encKey, decKey];\n\n // schedule encryption keys\n for (i = keyLen; i < 4 * keyLen + 28; i++) {\n tmp = encKey[i-1];\n\n // apply sbox\n if (i%keyLen === 0 || (keyLen === 8 && i%keyLen === 4)) {\n tmp = sbox[tmp>>>24]<<24 ^ sbox[tmp>>16&255]<<16 ^ sbox[tmp>>8&255]<<8 ^ sbox[tmp&255];\n\n // shift rows and add rcon\n if (i%keyLen === 0) {\n tmp = tmp<<8 ^ tmp>>>24 ^ rcon<<24;\n rcon = rcon<<1 ^ (rcon>>7)*283;\n }\n }\n\n encKey[i] = encKey[i-keyLen] ^ tmp;\n }\n\n // schedule decryption keys\n for (j = 0; i; j++, i--) {\n tmp = encKey[j&3 ? i : i - 4];\n if (i<=4 || j<4) {\n decKey[j] = tmp;\n } else {\n decKey[j] = decTable[0][sbox[tmp>>>24 ]] ^\n decTable[1][sbox[tmp>>16 & 255]] ^\n decTable[2][sbox[tmp>>8 & 255]] ^\n decTable[3][sbox[tmp & 255]];\n }\n }\n }\n\n /**\n * Expand the S-box tables.\n *\n * @private\n */\n _precompute() {\n var encTable = this._tables[0], decTable = this._tables[1],\n sbox = encTable[4], sboxInv = decTable[4],\n i, x, xInv, d=[], th=[], x2, x4, x8, s, tEnc, tDec;\n\n // Compute double and third tables\n for (i = 0; i < 256; i++) {\n th[( d[i] = i<<1 ^ (i>>7)*283 )^i]=i;\n }\n\n for (x = xInv = 0; !sbox[x]; x ^= x2 || 1, xInv = th[xInv] || 1) {\n // Compute sbox\n s = xInv ^ xInv<<1 ^ xInv<<2 ^ xInv<<3 ^ xInv<<4;\n s = s>>8 ^ s&255 ^ 99;\n sbox[x] = s;\n sboxInv[s] = x;\n\n // Compute MixColumns\n x8 = d[x4 = d[x2 = d[x]]];\n tDec = x8*0x1010101 ^ x4*0x10001 ^ x2*0x101 ^ x*0x1010100;\n tEnc = d[s]*0x101 ^ s*0x1010100;\n\n for (i = 0; i < 4; i++) {\n encTable[i][x] = tEnc = tEnc<<24 ^ tEnc>>>8;\n decTable[i][s] = tDec = tDec<<24 ^ tDec>>>8;\n }\n }\n\n // Compactify. Considerable speedup on Firefox.\n for (i = 0; i < 5; i++) {\n encTable[i] = encTable[i].slice(0);\n decTable[i] = decTable[i].slice(0);\n }\n }\n\n /**\n * Decrypt 16 bytes, specified as four 32-bit words.\n * @param encrypted0 {number} the first word to decrypt\n * @param encrypted1 {number} the second word to decrypt\n * @param encrypted2 {number} the third word to decrypt\n * @param encrypted3 {number} the fourth word to decrypt\n * @param out {Int32Array} the array to write the decrypted words\n * into\n * @param offset {number} the offset into the output array to start\n * writing results\n * @return {Array} The plaintext.\n */\n decrypt(encrypted0, encrypted1, encrypted2, encrypted3, out, offset) {\n var key = this._key[1],\n // state variables a,b,c,d are loaded with pre-whitened data\n a = encrypted0 ^ key[0],\n b = encrypted3 ^ key[1],\n c = encrypted2 ^ key[2],\n d = encrypted1 ^ key[3],\n a2, b2, c2,\n\n nInnerRounds = key.length / 4 - 2, // key.length === 2 ?\n i,\n kIndex = 4,\n table = this._tables[1],\n\n // load up the tables\n table0 = table[0],\n table1 = table[1],\n table2 = table[2],\n table3 = table[3],\n sbox = table[4];\n\n // Inner rounds. Cribbed from OpenSSL.\n for (i = 0; i < nInnerRounds; i++) {\n a2 = table0[a>>>24] ^ table1[b>>16 & 255] ^ table2[c>>8 & 255] ^ table3[d & 255] ^ key[kIndex];\n b2 = table0[b>>>24] ^ table1[c>>16 & 255] ^ table2[d>>8 & 255] ^ table3[a & 255] ^ key[kIndex + 1];\n c2 = table0[c>>>24] ^ table1[d>>16 & 255] ^ table2[a>>8 & 255] ^ table3[b & 255] ^ key[kIndex + 2];\n d = table0[d>>>24] ^ table1[a>>16 & 255] ^ table2[b>>8 & 255] ^ table3[c & 255] ^ key[kIndex + 3];\n kIndex += 4;\n a=a2; b=b2; c=c2;\n }\n\n // Last round.\n for (i = 0; i < 4; i++) {\n out[(3 & -i) + offset] =\n sbox[a>>>24 ]<<24 ^\n sbox[b>>16 & 255]<<16 ^\n sbox[c>>8 & 255]<<8 ^\n sbox[d & 255] ^\n key[kIndex++];\n a2=a; a=b; b=c; c=d; d=a2;\n }\n }\n}\n\nexport default AES;\n",
"/*\n *\n * This file contains an adaptation of the AES decryption algorithm\n * from the Standford Javascript Cryptography Library. That work is\n * covered by the following copyright and permissions notice:\n *\n * Copyright 2009-2010 Emily Stark, Mike Hamburg, Dan Boneh.\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without\n * modification, are permitted provided that the following conditions are\n * met:\n *\n * 1. Redistributions of source code must retain the above copyright\n * notice, this list of conditions and the following disclaimer.\n *\n * 2. Redistributions in binary form must reproduce the above\n * copyright notice, this list of conditions and the following\n * disclaimer in the documentation and/or other materials provided\n * with the distribution.\n *\n * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR\n * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n * DISCLAIMED. IN NO EVENT SHALL OR CONTRIBUTORS BE\n * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN\n * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n *\n * The views and conclusions contained in the software and documentation\n * are those of the authors and should not be interpreted as representing\n * official policies, either expressed or implied, of the authors.\n */\n\nimport AES from './aes';\n\nclass AES128Decrypter {\n\n constructor(key, initVector) {\n this.key = key;\n this.iv = initVector;\n }\n\n /**\n * Convert network-order (big-endian) bytes into their little-endian\n * representation.\n */\n ntoh(word) {\n return (word << 24) |\n ((word & 0xff00) << 8) |\n ((word & 0xff0000) >> 8) |\n (word >>> 24);\n }\n\n\n /**\n * Decrypt bytes using AES-128 with CBC and PKCS#7 padding.\n * @param encrypted {Uint8Array} the encrypted bytes\n * @param key {Uint32Array} the bytes of the decryption key\n * @param initVector {Uint32Array} the initialization vector (IV) to\n * use for the first round of CBC.\n * @return {Uint8Array} the decrypted bytes\n *\n * @see http://en.wikipedia.org/wiki/Advanced_Encryption_Standard\n * @see http://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Cipher_Block_Chaining_.28CBC.29\n * @see https://tools.ietf.org/html/rfc2315\n */\n doDecrypt(encrypted, key, initVector) {\n var\n // word-level access to the encrypted bytes\n encrypted32 = new Int32Array(encrypted.buffer, encrypted.byteOffset, encrypted.byteLength >> 2),\n\n decipher = new AES(Array.prototype.slice.call(key)),\n\n // byte and word-level access for the decrypted output\n decrypted = new Uint8Array(encrypted.byteLength),\n decrypted32 = new Int32Array(decrypted.buffer),\n\n // temporary variables for working with the IV, encrypted, and\n // decrypted data\n init0, init1, init2, init3,\n encrypted0, encrypted1, encrypted2, encrypted3,\n\n // iteration variable\n wordIx;\n\n // pull out the words of the IV to ensure we don't modify the\n // passed-in reference and easier access\n init0 = ~~initVector[0];\n init1 = ~~initVector[1];\n init2 = ~~initVector[2];\n init3 = ~~initVector[3];\n\n // decrypt four word sequences, applying cipher-block chaining (CBC)\n // to each decrypted block\n for (wordIx = 0; wordIx < encrypted32.length; wordIx += 4) {\n // convert big-endian (network order) words into little-endian\n // (javascript order)\n encrypted0 = ~~this.ntoh(encrypted32[wordIx]);\n encrypted1 = ~~this.ntoh(encrypted32[wordIx + 1]);\n encrypted2 = ~~this.ntoh(encrypted32[wordIx + 2]);\n encrypted3 = ~~this.ntoh(encrypted32[wordIx + 3]);\n\n // decrypt the block\n decipher.decrypt(encrypted0,\n encrypted1,\n encrypted2,\n encrypted3,\n decrypted32,\n wordIx);\n\n // XOR with the IV, and restore network byte-order to obtain the\n // plaintext\n decrypted32[wordIx] = this.ntoh(decrypted32[wordIx] ^ init0);\n decrypted32[wordIx + 1] = this.ntoh(decrypted32[wordIx + 1] ^ init1);\n decrypted32[wordIx + 2] = this.ntoh(decrypted32[wordIx + 2] ^ init2);\n decrypted32[wordIx + 3] = this.ntoh(decrypted32[wordIx + 3] ^ init3);\n\n // setup the IV for the next round\n init0 = encrypted0;\n init1 = encrypted1;\n init2 = encrypted2;\n init3 = encrypted3;\n }\n\n return decrypted;\n }\n\n localDecrypt(encrypted, key, initVector, decrypted) {\n var bytes = this.doDecrypt(encrypted,\n key,\n initVector);\n decrypted.set(bytes, encrypted.byteOffset);\n }\n\n decrypt(encrypted) {\n var\n step = 4 * 8000,\n //encrypted32 = new Int32Array(encrypted.buffer),\n encrypted32 = new Int32Array(encrypted),\n decrypted = new Uint8Array(encrypted.byteLength),\n i = 0;\n\n // split up the encryption job and do the individual chunks asynchronously\n var key = this.key;\n var initVector = this.iv;\n this.localDecrypt(encrypted32.subarray(i, i + step), key, initVector, decrypted);\n\n for (i = step; i < encrypted32.length; i += step) {\n initVector = new Uint32Array([\n this.ntoh(encrypted32[i - 4]),\n this.ntoh(encrypted32[i - 3]),\n this.ntoh(encrypted32[i - 2]),\n this.ntoh(encrypted32[i - 1])\n ]);\n this.localDecrypt(encrypted32.subarray(i, i + step), key, initVector, decrypted);\n }\n\n return decrypted;\n }\n}\n\nexport default AES128Decrypter;\n",
diff --git a/dashboard-ui/bower_components/hls.js/dist/hls.min.js b/dashboard-ui/bower_components/hls.js/dist/hls.min.js
index 5a21f584b7..86075a44a9 100644
--- a/dashboard-ui/bower_components/hls.js/dist/hls.min.js
+++ b/dashboard-ui/bower_components/hls.js/dist/hls.min.js
@@ -1,5 +1,5 @@
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e&&"function"!=typeof e?t:e}function g(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}Object.defineProperty(n,"__esModule",{value:!0});var l=function(){function e(i,r){for(var t=0;t500*e.duration){var f=Math.max(1,1e3*e.loaded/u);e.expectedLens){var l=void 0,r=void 0;for(r=e.level-1;r>=0&&(l=e.duration*a.levels[r].bitrate/(6.4*f),i.logger.log("fragLoadedDelay/bufferStarvationDelay/fragLevelNextLoadedDelay["+r+"] :"+d.toFixed(1)+"/"+s.toFixed(1)+"/"+l.toFixed(1)),!(s>l));r--);d>l&&(r=Math.max(0,r),a.nextLoadLevel=r,this.bwEstimator.sample(u,e.loaded),i.logger.warn("loading too slow, abort fragment loading and switch to level "+r),e.loader.abort(),this.clearTimer(),a.trigger(t.default.FRAG_LOAD_EMERGENCY_ABORTED,{frag:e}))}}}}},{key:"onFragLoaded",value:function(e){var t=e.stats;void 0===t.aborted&&1===e.frag.loadCounter&&this.bwEstimator.sample(performance.now()-t.trequest,t.loaded),this.clearTimer(),this.lastLoadedFragLevel=e.frag.level,this._nextAutoLevel=-1}},{key:"onError",value:function(e){switch(e.details){case s.ErrorDetails.FRAG_LOAD_ERROR:case s.ErrorDetails.FRAG_LOAD_TIMEOUT:this.clearTimer()}}},{key:"clearTimer",value:function(){this.timer&&(clearInterval(this.timer),this.timer=null)}},{key:"autoLevelCapping",get:function(){return this._autoLevelCapping},set:function(e){this._autoLevelCapping=e}},{key:"nextAutoLevel",get:function(){var e,r,i=this.hls,t=i.levels,a=i.config;if(r=-1===this._autoLevelCapping&&t&&t.length?t.length-1:this._autoLevelCapping,-1!==this._nextAutoLevel)return Math.min(this._nextAutoLevel,r);var n=this.bwEstimator.getEstimate(),s=void 0;for(e=0;r>=e;e++)if(s=e<=this.lastLoadedFragLevel?a.abrBandWidthFactor*n:a.abrBandWidthUpFactor*n,sn.config.appendErrorMaxRetry)return t.logger.log("fail "+n.config.appendErrorMaxRetry+" times to append segment in sourceBuffer"),a=[],i.fatal=!0,void n.trigger(e.default.ERROR,i);i.fatal=!1,n.trigger(e.default.ERROR,i)}else a=[],i.details=r.ErrorDetails.BUFFER_FULL_ERROR,n.trigger(e.default.ERROR,i)}}}}},{key:"flushBuffer",value:function(l,s){var e,r,o,n,i,a;if(this.flushBufferCounter.5)return this.flushBufferCounter++,t.logger.log("flush "+u+" ["+i+","+a+"], of ["+o+","+n+"], pos:"+this.media.currentTime),e.remove(i,a),!1}else t.logger.warn("abort flushing too many retries");return t.logger.log("buffer flushed"),!0}}]),i}(s.default);a.default=o},{"../errors":21,"../event-handler":22,"../events":23,"../utils/logger":38}],5:[function(e,h,t){"use strict";function r(e){return e&&e.__esModule?e:{default:e}}function a(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function n(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function f(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}Object.defineProperty(t,"__esModule",{value:!0});var o=function(){function e(i,r){for(var t=0;tthis.autoLevelCapping&&this.hls.streamController.nextLevelSwitch(),this.autoLevelCapping=this.hls.autoLevelCapping)}}},{key:"getMaxLevel",value:function(n){var r=void 0,e=void 0,t=void 0,s=this.mediaWidth,o=this.mediaHeight,i=0,a=0;for(e=0;n>=e&&(t=this.levels[e],r=e,i=t.width,a=t.height,!(i>=s||a>=o));e++);return r}},{key:"contentScaleFactor",get:function(){var e=1;try{e=window.devicePixelRatio}catch(e){}return e}},{key:"mediaWidth",get:function(){var e=void 0;return this.media&&(e=this.media.width||this.media.clientWidth||this.media.offsetWidth,e*=this.contentScaleFactor),e}},{key:"mediaHeight",get:function(){var e=void 0;return this.media&&(e=this.media.height||this.media.clientHeight||this.media.offsetHeight,e*=this.contentScaleFactor),e}}]),e}(s.default);t.default=u},{"../event-handler":22,"../events":23}],6:[function(r,l,e){"use strict";function i(e){return e&&e.__esModule?e:{default:e}}function a(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(e,"__esModule",{value:!0});var n=function(){function e(i,r){for(var t=0;t=0&&ie&&(this._level===e&&void 0!==t[e].details||this.setLevelInternal(e))}},{key:"manualLevel",get:function(){return this._manualLevel},set:function(e){this._manualLevel=e,void 0===this._startLevel&&(this._startLevel=e),-1!==e&&(this.level=e)}},{key:"firstLevel",get:function(){return this._firstLevel},set:function(e){this._firstLevel=e}},{key:"startLevel",get:function(){return void 0===this._startLevel?this._firstLevel:this._startLevel},set:function(e){this._startLevel=e}},{key:"nextLoadLevel",get:function(){return-1!==this._manualLevel?this._manualLevel:this.hls.abrController.nextAutoLevel},set:function(e){this.level=e,-1===this._manualLevel&&(this.hls.abrController.nextAutoLevel=e)}}]),i}(f.default);a.default=o},{"../errors":21,"../event-handler":22,"../events":23,"../utils/logger":38}],8:[function(a,A,o){"use strict";function n(e){return e&&e.__esModule?e:{default:e}}function h(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function c(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function g(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}Object.defineProperty(o,"__esModule",{value:!0});var m=function(){function e(i,r){for(var t=0;t1&&setTimeout(this.tick,1),this.ticks=0)}},{key:"doTick",value:function(){var _,l,n,E=this,f=this.hls,o=f.config;switch(this.state){case e.ERROR:case e.PAUSED:break;case e.STARTING:var b=f.startLevel;-1===b&&(b=0,this.fragBitrateTest=!0),this.level=f.nextLoadLevel=b,this.state=e.WAITING_LEVEL,this.loadedmetadata=!1;break;case e.IDLE:if(!this.media&&(this.startFragRequested||!o.startFragPrefetch))break;_=this.loadedmetadata?this.media.currentTime:this.nextLoadPosition,l=f.nextLoadLevel;var h,R=s.default.bufferInfo(this.media,_,o.maxBufferHole),T=R.len,u=R.end,c=this.fragPrevious;if(this.levels[l].hasOwnProperty("bitrate")?(h=Math.max(8*o.maxBufferSize/this.levels[l].bitrate,o.maxBufferLength),h=Math.min(h,o.maxMaxBufferLength)):h=o.maxBufferLength,h>T){if(f.nextLoadLevel=l,this.level=l,n=this.levels[l].details,"undefined"==typeof n||n.live&&this.levelLastLoaded!==l){this.state=e.WAITING_LEVEL;break}var d=n.fragments,g=d.length,v=d[0].start,y=d[g-1].start+d[g-1].duration,a=void 0;if(n.live){var S=void 0!==o.liveMaxLatencyDuration?o.liveMaxLatencyDuration:o.liveMaxLatencyDurationCount*n.targetduration;if(uy)break;if(this.startFragRequested&&!n.PTSKnown){if(c){var m=c.sn+1;m>=n.startSN&&m<=n.endSN&&(a=d[m-n.startSN],t.logger.log("live playlist, switching playlist, load frag with next SN: "+a.sn))}a||(a=d[Math.min(g-1,Math.round(g/2))],t.logger.log("live playlist, switching playlist, unknown, load middle frag : "+a.sn))}}else v>u&&(a=d[0]);if(a||!function(){var i=void 0,s=o.maxFragLookUpTolerance;y>u?(u>y-s&&(s=0),i=p.default.search(d,function(e){return e.start+e.duration-s<=u?1:e.start-s>u?-1:0})):i=d[g-1],i&&(a=i,v=i.start,c&&a.level===c.level&&a.sn===c.sn&&(a.sn1&&(a.expectedLen=Math.round(a.duration*this.levels[l].bitrate/8),a.trequest=performance.now()),void 0!==this.fragLoadIdx?this.fragLoadIdx++:this.fragLoadIdx=0,a.loadCounter){a.loadCounter++;var A=o.fragLoadingLoopThreshold;if(a.loadCounter>A&&Math.abs(this.fragLoadIdx-a.loadIdx)=L||O)&&(t.logger.log("mediaController: retryDate reached, switch back to IDLE state"),this.state=e.IDLE);break;case e.STOPPED:case e.FRAG_LOADING:case e.PARSING:case e.PARSED:case e.ENDED:}this._checkBuffer(),this._checkFragmentChanged()}},{key:"getBufferRange",value:function(i){var e,t,r=this.bufferRange;if(r)for(e=r.length-1;e>=0;e--)if(t=r[e],i>=t.start&&i<=t.end)return t;return null}},{key:"followingBufferRange",value:function(e){return e?this.getBufferRange(e.end+.5):null}},{key:"isBuffered",value:function(r){var i=this.media;if(i)for(var t=i.buffered,e=0;e=t.start(e)&&r<=t.end(e))return!0;return!1}},{key:"_checkFragmentChanged",value:function(){var t,e,i=this.media;if(i&&i.seeking===!1&&(e=i.currentTime,e>i.playbackRate*this.lastCurrentTime&&(this.lastCurrentTime=e),this.isBuffered(e)?t=this.getBufferRange(e):this.isBuffered(e+.1)&&(t=this.getBufferRange(e+.1)),t)){var a=t.frag;a!==this.fragPlaying&&(this.fragPlaying=a,this.hls.trigger(r.default.FRAG_CHANGED,{frag:a}))}}},{key:"immediateLevelSwitch",value:function(){t.logger.log("immediateLevelSwitch"),this.immediateSwitch||(this.immediateSwitch=!0,this.previouslyPaused=this.media.paused,this.media.pause());var i=this.fragCurrent;i&&i.loader&&i.loader.abort(),this.fragCurrent=null,this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold,this.state=e.PAUSED,this.hls.trigger(r.default.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY})}},{key:"immediateLevelSwitchEnd",value:function(){this.immediateSwitch=!1;var e=this.media;e&&e.readyState&&(e.currentTime-=1e-4,this.previouslyPaused||e.play())}},{key:"nextLevelSwitch",value:function(){var t=this.media;if(t&&t.readyState){var n=void 0,a=void 0,i=void 0;if(this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold,a=this.getBufferRange(t.currentTime),a&&a.start>1&&(this.state=e.PAUSED,this.hls.trigger(r.default.BUFFER_FLUSHING,{startOffset:0,endOffset:a.start-1})),t.paused)n=0;else{var l=this.hls.nextLoadLevel,u=this.levels[l],o=this.fragLastKbps;n=o&&this.fragCurrent?this.fragCurrent.duration*u.bitrate/(1e3*o)+1:0}if(i=this.getBufferRange(t.currentTime+n),i&&(i=this.followingBufferRange(i))){var s=this.fragCurrent;s&&s.loader&&s.loader.abort(),this.fragCurrent=null,this.state=e.PAUSED,this.hls.trigger(r.default.BUFFER_FLUSHING,{startOffset:i.start,endOffset:Number.POSITIVE_INFINITY})}}}},{key:"onMediaAttached",value:function(t){var e=this.media=t.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvseeked=this.onMediaSeeked.bind(this),this.onvended=this.onMediaEnded.bind(this),e.addEventListener("seeking",this.onvseeking),e.addEventListener("seeked",this.onvseeked),e.addEventListener("ended",this.onvended),this.levels&&this.config.autoStartLoad&&this.hls.startLoad()}},{key:"onMediaDetaching",value:function(){var e=this.media;e&&e.ended&&(t.logger.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0);var r=this.levels;r&&r.forEach(function(e){e.details&&e.details.fragments.forEach(function(e){e.loadCounter=void 0})}),e&&(e.removeEventListener("seeking",this.onvseeking),e.removeEventListener("seeked",this.onvseeked),e.removeEventListener("ended",this.onvended),this.onvseeking=this.onvseeked=this.onvended=null),this.media=null,this.loadedmetadata=!1,this.stopLoad()}},{key:"onMediaSeeking",value:function(){if(this.state===e.FRAG_LOADING){if(0===s.default.bufferInfo(this.media,this.media.currentTime,this.config.maxBufferHole).len){t.logger.log("seeking outside of buffer while fragment load in progress, cancel fragment load");var r=this.fragCurrent;r&&(r.loader&&r.loader.abort(),this.fragCurrent=null),this.fragPrevious=null,this.state=e.IDLE}}else this.state===e.ENDED&&(this.state=e.IDLE);this.media&&(this.lastCurrentTime=this.media.currentTime),void 0!==this.fragLoadIdx&&(this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold),this.tick()}},{key:"onMediaSeeked",value:function(){this.tick()}},{key:"onMediaEnded",value:function(){t.logger.log("media ended"),this.startPosition=this.lastCurrentTime=0}},{key:"onManifestLoading",value:function(){t.logger.log("trigger BUFFER_RESET"),this.hls.trigger(r.default.BUFFER_RESET),this.bufferRange=[],this.stalled=!1}},{key:"onManifestParsed",value:function(r){var e,i=!1,a=!1;r.levels.forEach(function(t){e=t.audioCodec,e&&(-1!==e.indexOf("mp4a.40.2")&&(i=!0),-1!==e.indexOf("mp4a.40.5")&&(a=!0))}),this.audioCodecSwitch=i&&a,this.audioCodecSwitch&&t.logger.log("both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC"),this.levels=r.levels,this.startLevelLoaded=!1,this.startFragRequested=!1,this.config.autoStartLoad&&this.hls.startLoad()}},{key:"onLevelLoaded",value:function(s){var i=s.details,a=s.level,o=this.levels[a],l=i.totalduration,n=0;if(t.logger.log("level "+a+" loaded ["+i.startSN+","+i.endSN+"],duration:"+l),this.levelLastLoaded=a,i.live){var d=o.details;d?(u.default.mergeDetails(d,i),n=i.fragments[0].start,i.PTSKnown?t.logger.log("live playlist sliding:"+n.toFixed(3)):t.logger.log("live playlist - outdated PTS, unknown sliding")):(i.PTSKnown=!1,t.logger.log("live playlist - first load, unknown sliding"))}else i.PTSKnown=!1;if(o.details=i,this.hls.trigger(r.default.LEVEL_UPDATED,{details:i,level:a}),this.startFragRequested===!1){if(i.live){var f=void 0!==this.config.liveSyncDuration?this.config.liveSyncDuration:this.config.liveSyncDurationCount*i.targetduration;this.startPosition=Math.max(0,n+l-f)}this.nextLoadPosition=this.startPosition}this.state===e.WAITING_LEVEL&&(this.state=e.IDLE),this.tick()}},{key:"onKeyLoaded",value:function(){this.state===e.KEY_LOADING&&(this.state=e.IDLE,this.tick())}},{key:"onFragLoaded",value:function(a){var i=this.fragCurrent;if(this.state===e.FRAG_LOADING&&i&&a.frag.level===i.level&&a.frag.sn===i.sn)if(t.logger.log("Loaded "+i.sn+" of level "+i.level),this.fragBitrateTest===!0)this.state=e.IDLE,this.fragBitrateTest=!1,this.startFragRequested=!1,a.stats.tparsed=a.stats.tbuffered=performance.now(),this.hls.trigger(r.default.FRAG_BUFFERED,{stats:a.stats,frag:i});else{this.state=e.PARSING,this.stats=a.stats;var s=this.levels[this.level],o=s.details,f=o.totalduration,h=void 0!==i.startDTS?i.startDTS:i.start,l=i.level,u=i.sn,n=s.audioCodec||this.config.defaultAudioCodec;this.audioCodecSwap&&(t.logger.log("swapping playlist audio codec"),void 0===n&&(n=this.lastAudioCodec),n&&(n=-1!==n.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5")),this.pendingAppending=0,t.logger.log("Demuxing "+u+" of ["+o.startSN+" ,"+o.endSN+"],level "+l);var d=this.demuxer;d&&d.push(a.payload,n,s.videoCodec,h,i.cc,l,u,f,i.decryptdata)}this.fragLoadError=0}},{key:"onFragParsingInitSegment",value:function(l){if(this.state===e.PARSING){var o,i,a=l.tracks;if(i=a.audio){var n=this.levels[this.level].audioCodec,u=navigator.userAgent.toLowerCase();n&&this.audioCodecSwap&&(t.logger.log("swapping playlist audio codec"),n=-1!==n.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5"),this.audioCodecSwitch&&1!==i.metadata.channelCount&&-1===u.indexOf("firefox")&&(n="mp4a.40.5"),-1!==u.indexOf("android")&&(n="mp4a.40.2",t.logger.log("Android: force audio codec to"+n)),i.levelCodec=n}if(i=a.video,i&&(i.levelCodec=this.levels[this.level].videoCodec),l.unique){var s={codec:"",levelCodec:""};for(o in l.tracks)i=a[o],s.container=i.container,s.codec&&(s.codec+=",",s.levelCodec+=","),i.codec&&(s.codec+=i.codec),i.levelCodec&&(s.levelCodec+=i.levelCodec);a={audiovideo:s}}this.hls.trigger(r.default.BUFFER_CODECS,a);for(o in a){i=a[o],t.logger.log("track:"+o+",container:"+i.container+",codecs[level/parsed]=["+i.levelCodec+"/"+i.codec+"]");var d=i.initSegment;d&&(this.pendingAppending++,this.hls.trigger(r.default.BUFFER_APPENDING,{type:o,data:d}))}this.tick()}}},{key:"onFragParsingData",value:function(i){var o=this;if(this.state===e.PARSING){this.tparse2=Date.now();var a=this.levels[this.level],n=this.fragCurrent;t.logger.log("parsed "+i.type+",PTS:["+i.startPTS.toFixed(3)+","+i.endPTS.toFixed(3)+"],DTS:["+i.startDTS.toFixed(3)+"/"+i.endDTS.toFixed(3)+"],nb:"+i.nb);var l=u.default.updateFragPTSDTS(a.details,n.sn,i.startPTS,i.endPTS,i.startDTS,i.endDTS),s=this.hls;s.trigger(r.default.LEVEL_PTS_UPDATED,{details:a.details,level:this.level,drift:l}),[i.data1,i.data2].forEach(function(e){e&&(o.pendingAppending++,s.trigger(r.default.BUFFER_APPENDING,{type:i.type,data:e}))}),this.nextLoadPosition=i.endPTS,this.bufferRange.push({type:i.type,start:i.startPTS,end:i.endPTS,frag:n}),this.tick()}else t.logger.warn("not in PARSING state but "+this.state+", ignoring FRAG_PARSING_DATA event")}},{key:"onFragParsed",value:function(){this.state===e.PARSING&&(this.stats.tparsed=performance.now(),this.state=e.PARSED,this._checkAppendedParsed())}},{key:"onBufferAppended",value:function(){switch(this.state){case e.PARSING:case e.PARSED:this.pendingAppending--,this._checkAppendedParsed()}}},{key:"_checkAppendedParsed",value:function(){if(this.state===e.PARSED&&0===this.pendingAppending){var a=this.fragCurrent,i=this.stats;a&&(this.fragPrevious=a,i.tbuffered=performance.now(),this.fragLastKbps=Math.round(8*i.length/(i.tbuffered-i.tfirst)),this.hls.trigger(r.default.FRAG_BUFFERED,{stats:i,frag:a}),t.logger.log("media buffered : "+this.timeRangesToString(this.media.buffered)),this.state=e.IDLE),this.tick()}}},{key:"onError",value:function(a){switch(a.details){case i.ErrorDetails.FRAG_LOAD_ERROR:case i.ErrorDetails.FRAG_LOAD_TIMEOUT:if(!a.fatal){var n=this.fragLoadError;if(n?n++:n=1,n<=this.config.fragLoadingMaxRetry){this.fragLoadError=n,a.frag.loadCounter=0;var s=Math.min(Math.pow(2,n-1)*this.config.fragLoadingRetryDelay,64e3);t.logger.warn("mediaController: frag loading failed, retry in "+s+" ms"),this.retryDate=performance.now()+s,this.state=e.FRAG_LOADING_WAITING_RETRY}else t.logger.error("mediaController: "+a.details+" reaches max retry, redispatch as fatal ..."),a.fatal=!0,this.hls.trigger(r.default.ERROR,a),this.state=e.ERROR}break;case i.ErrorDetails.FRAG_LOOP_LOADING_ERROR:case i.ErrorDetails.LEVEL_LOAD_ERROR:case i.ErrorDetails.LEVEL_LOAD_TIMEOUT:case i.ErrorDetails.KEY_LOAD_ERROR:case i.ErrorDetails.KEY_LOAD_TIMEOUT:this.state!==e.ERROR&&(this.state=a.fatal?e.ERROR:e.IDLE,t.logger.warn("mediaController: "+a.details+" while loading frag,switch to "+this.state+" state ..."));break;case i.ErrorDetails.BUFFER_FULL_ERROR:this.config.maxMaxBufferLength/=2,t.logger.warn("reduce max buffer length to "+this.config.maxMaxBufferLength+"s and trigger a nextLevelSwitch to flush old buffer and fix QuotaExceededError"),this.nextLevelSwitch()}}},{key:"_checkBuffer",value:function(){var e=this.media;if(e){var v=e.readyState;if(v){var a,n,d=this.seekAfterBuffered;if(d)e.duration>=d&&(a=d,this.seekAfterBuffered=void 0);else{n=e.currentTime;var p=this.loadedmetadata;!p&&e.buffered.length&&(this.loadedmetadata=!0,n||n===this.startPosition||(a=this.startPosition))}a&&(n=a,t.logger.log("target seek position:"+a));var l=s.default.bufferInfo(e,n,0),m=!(e.paused||e.ended||e.seeking||0===e.buffered.length),f=.4,h=n>e.playbackRate*this.lastCurrentTime;if(this.stalled&&h&&(this.stalled=!1,t.logger.log("playback not stuck anymore @"+n)),m&&l.len<=f){if(h?(f=0,this.seekHoleNudgeDuration=0):this.stalled?this.seekHoleNudgeDuration+=this.config.seekHoleNudgeDuration:(this.seekHoleNudgeDuration=0,t.logger.log("playback seems stuck @"+n),this.hls.trigger(r.default.ERROR,{type:i.ErrorTypes.MEDIA_ERROR,details:i.ErrorDetails.BUFFER_STALLED_ERROR,fatal:!1}),this.stalled=!0),l.len<=f){var o=l.nextStart,c=o-n;if(o&&c0&&!e.seeking){t.logger.log("adjust currentTime from "+e.currentTime+" to next buffered @ "+o+" + nudge "+this.seekHoleNudgeDuration);var y=o+this.seekHoleNudgeDuration-e.currentTime;e.currentTime=o+this.seekHoleNudgeDuration,this.hls.trigger(r.default.ERROR,{type:i.ErrorTypes.MEDIA_ERROR,details:i.ErrorDetails.BUFFER_SEEK_OVER_HOLE,fatal:!1,hole:y})}}}else{var g=e.currentTime;if(a&&g!==a){if(0===l.len){var u=l.nextStart;void 0!==u&&u-ae;e++)r+="["+t.start(e)+","+t.end(e)+"]";return r}},{key:"currentLevel",get:function(){if(this.media){var e=this.getBufferRange(this.media.currentTime);if(e)return e.frag.level}return-1}},{key:"nextBufferRange",get:function(){return this.media?this.followingBufferRange(this.getBufferRange(this.media.currentTime)):null}},{key:"nextLevel",get:function(){var e=this.nextBufferRange;return e?e.frag.level:-1}}]),a}(l.default);o.default=f},{"../demux/demuxer":17,"../errors":21,"../event-handler":22,"../events":23,"../helper/buffer-helper":24,"../helper/level-helper":25,"../utils/binary-search":35,"../utils/logger":38}],9:[function(t,g,i){"use strict";function r(e){return e&&e.__esModule?e:{default:e}}function f(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function n(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function s(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}Object.defineProperty(i,"__esModule",{value:!0});var c=function(){function e(i,r){for(var t=0;te;e++)c[(a[e]=e<<1^283*(e>>7))^e]=e;for(i=r=0;!h[i];i^=u||1,r=c[r]||1)for(t=r^r<<1^r<<2^r<<3^r<<4,t=t>>8^255&t^99,h[i]=t,g[t]=i,d=a[f=a[u=a[i]]],l=16843009*d^65537*f^257*u^16843008*i,s=257*a[t]^16843008*t,e=0;4>e;e++)n[e][i]=s=s<<24^s>>>8,o[e][t]=l=l<<24^l>>>8;for(e=0;5>e;e++)n[e]=n[e].slice(0),o[e]=o[e].slice(0)}},{key:"decrypt",value:function(R,p,_,b,E,m){var h,v,g,n,e=this._key[1],t=R^e[0],i=b^e[1],a=_^e[2],r=p^e[3],y=e.length/4-2,s=4,o=this._tables[1],f=o[0],d=o[1],u=o[2],l=o[3],c=o[4];for(n=0;y>n;n++)h=f[t>>>24]^d[i>>16&255]^u[a>>8&255]^l[255&r]^e[s],v=f[i>>>24]^d[a>>16&255]^u[r>>8&255]^l[255&t]^e[s+1],g=f[a>>>24]^d[r>>16&255]^u[t>>8&255]^l[255&i]^e[s+2],r=f[r>>>24]^d[t>>16&255]^u[i>>8&255]^l[255&a]^e[s+3],s+=4,t=h,i=v,a=g;for(n=0;4>n;n++)E[(3&-n)+m]=c[t>>>24]<<24^c[i>>16&255]<<16^c[a>>8&255]<<8^c[255&r]^e[s++],h=t,t=i,i=a,a=r,r=h}}]),e}();e.default=i},{}],11:[function(t,l,e){"use strict";function r(e){return e&&e.__esModule?e:{default:e}}function i(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(e,"__esModule",{value:!0});var a=function(){function e(i,r){for(var t=0;t>8|e>>>24}},{key:"doDecrypt",value:function(i,v,a){var u,h,o,f,l,c,d,n,e,r=new Int32Array(i.buffer,i.byteOffset,i.byteLength>>2),p=new s.default(Array.prototype.slice.call(v)),g=new Uint8Array(i.byteLength),t=new Int32Array(g.buffer);for(u=~~a[0],h=~~a[1],o=~~a[2],f=~~a[3],e=0;ee&&(255!==t[e]||240!==(240&t[e+1]));e++);for(r.audiosamplerate||(a=o.default.getAudioConfig(this.observer,t,e,p),r.config=a.config,r.audiosamplerate=a.samplerate,r.channelCount=a.channelCount,r.codec=a.codec,r.duration=y,l.logger.log("parsed codec:"+r.codec+",rate:"+a.samplerate+",nb channel:"+a.channelCount)),c=0,v=9216e4/r.audiosamplerate;u>e+5&&(s=1&t[e+1]?7:9,n=(3&t[e+3])<<11|t[e+4]<<3|(224&t[e+5])>>>5,n-=s,n>0&&u>=e+s+n);)for(f=h+c*v,g={unit:t.subarray(e+s,e+s+n),pts:f,dts:f},r.samples.push(g),r.len+=n,e+=n+s,c++;u-1>e&&(255!==t[e]||240!==(240&t[e+1]));e++);this.remuxer.remux(this._aacTrack,{samples:[]},{samples:[{pts:h,dts:h,unit:d.payload}]},{samples:[]},m)}},{key:"destroy",value:function(){}}],[{key:"probe",value:function(t){var e,r,a=new i.default(t);if(a.hasTimeStamp)for(e=a.length,r=t.length;r-1>e;e++)if(255===t[e]&&240===(240&t[e+1]))return!0;return!1}}]),e}();t.default=s},{"../demux/id3":19,"../utils/logger":38,"./adts":14}],14:[function(e,o,t){"use strict";function i(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(t,"__esModule",{value:!0});var a=function(){function e(i,r){for(var t=0;t>>6)+1,e=(60&u[l+2])>>>2,e>d.length-1?void h.trigger(Event.ERROR,{type:r.ErrorTypes.MEDIA_ERROR,details:r.ErrorDetails.FRAG_PARSING_ERROR,fatal:!0,reason:"invalid ADTS sampling index:"+e}):(o=(1&u[l+2])<<2,o|=(192&u[l+3])>>>6,n.logger.log("manifest codec:"+a+",ADTS data:type:"+i+",sampleingIndex:"+e+"["+d[e]+"Hz],channelConfig:"+o),-1!==f.indexOf("firefox")?e>=6?(i=5,t=new Array(4),s=e-3):(i=2,t=new Array(2),s=e):-1!==f.indexOf("android")?(i=2,t=new Array(2),s=e):(i=5,t=new Array(4),a&&(-1!==a.indexOf("mp4a.40.29")||-1!==a.indexOf("mp4a.40.5"))||!a&&e>=6?s=e-3:((a&&-1!==a.indexOf("mp4a.40.2")&&e>=6&&1===o||!a&&1===o)&&(i=2,t=new Array(2)),s=e)),t[0]=i<<3,t[0]|=(14&e)>>1,t[1]|=(1&e)<<7,t[1]|=o<<3,5===i&&(t[1]|=(14&s)>>1,t[2]=(1&s)<<7,t[2]|=8,t[3]=0),{config:t,samplerate:d[e],channelCount:o,codec:"mp4a.40."+i})}}]),e}();t.default=s},{"../errors":21,"../utils/logger":38}],15:[function(e,y,i){"use strict";function t(e){return e&&e.__esModule?e:{default:e}}function d(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var h=function(){function e(i,r){for(var t=0;t1?r-1:0),e=1;r>e;e++)a[e-1]=arguments[e];t.emit.apply(t,[i,i].concat(a))},t.off=function(a){for(var r=arguments.length,i=Array(r>1?r-1:0),e=1;r>e;e++)i[e-1]=arguments[e];t.removeListener.apply(t,[a].concat(i))},r.addEventListener("message",function(i){var e=i.data;switch(e.cmd){case"init":r.demuxer=new u.default(t,e.typeSupported);break;case"demux":r.demuxer.push(new Uint8Array(e.data),e.audioCodec,e.videoCodec,e.timeOffset,e.cc,e.level,e.sn,e.duration)}}),t.on(e.default.FRAG_PARSING_INIT_SEGMENT,function(t,e){r.postMessage({event:t,tracks:e.tracks,unique:e.unique})}),t.on(e.default.FRAG_PARSING_DATA,function(i,e){var t={event:i,type:e.type,startPTS:e.startPTS,endPTS:e.endPTS,startDTS:e.startDTS,endDTS:e.endDTS,data1:e.data1.buffer,data2:e.data2.buffer,nb:e.nb};r.postMessage(t,[t.data1,t.data2])}),t.on(e.default.FRAG_PARSED,function(e){r.postMessage({event:e})}),t.on(e.default.ERROR,function(e,t){r.postMessage({event:e,data:t})}),t.on(e.default.FRAG_PARSING_METADATA,function(e,t){var i={event:e,samples:t.samples};r.postMessage(i)}),t.on(e.default.FRAG_PARSING_USERDATA,function(e,t){var i={event:e,samples:t.samples};r.postMessage(i)})};i.default=o},{"../demux/demuxer-inline":15,"../events":23,events:1}],17:[function(t,v,i){"use strict";function r(e){return e&&e.__esModule?e:{default:e}}function u(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var h=function(){function e(i,r){for(var t=0;t0&&null!=e&&null!=e.key&&"AES-128"===e.method){null==this.decrypter&&(this.decrypter=new l.default(this.hls));var d=this;this.decrypter.decrypt(t,e.key,e.iv,function(e){d.pushDecrypted(e,r,i,a,n,s,o,u)})}else this.pushDecrypted(t,r,i,a,n,s,o,u)}},{key:"onWorkerMessage",value:function(i){var t=i.data;switch(t.event){case e.default.FRAG_PARSING_INIT_SEGMENT:var r={};r.tracks=t.tracks,r.unique=t.unique,this.hls.trigger(e.default.FRAG_PARSING_INIT_SEGMENT,r);break;case e.default.FRAG_PARSING_DATA:this.hls.trigger(e.default.FRAG_PARSING_DATA,{data1:new Uint8Array(t.data1),data2:new Uint8Array(t.data2),startPTS:t.startPTS,endPTS:t.endPTS,startDTS:t.startDTS,endDTS:t.endDTS,type:t.type,nb:t.nb});break;case e.default.FRAG_PARSING_METADATA:this.hls.trigger(e.default.FRAG_PARSING_METADATA,{samples:t.samples});break;case e.default.FRAG_PARSING_USERDATA:this.hls.trigger(e.default.FRAG_PARSING_USERDATA,{samples:t.samples});break;default:this.hls.trigger(t.event,t.data)}}}]),r}();i.default=o},{"../crypt/decrypter":12,"../demux/demuxer-inline":15,"../demux/demuxer-worker":16,"../events":23,"../utils/logger":38,webworkify:2}],18:[function(t,s,e){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(e,"__esModule",{value:!0});var i=function(){function e(i,r){for(var t=0;te?(this.word<<=e,this.bitsAvailable-=e):(e-=this.bitsAvailable,t=e>>3,e-=t>>3,this.bytesAvailable-=t,this.loadWord(),this.word<<=e,this.bitsAvailable-=e)}},{key:"readBits",value:function(t){var e=Math.min(this.bitsAvailable,t),r=this.word>>>32-e;return t>32&&a.logger.error("Cannot read more than 32 bits at a time"),
-this.bitsAvailable-=e,this.bitsAvailable>0?this.word<<=e:this.bytesAvailable>0&&this.loadWord(),e=t-e,e>0?r<>>e))return this.word<<=e,this.bitsAvailable-=e,e;return this.loadWord(),e+this.skipLZ()}},{key:"skipUEG",value:function(){this.skipBits(1+this.skipLZ())}},{key:"skipEG",value:function(){this.skipBits(1+this.skipLZ())}},{key:"readUEG",value:function(){var e=this.skipLZ();return this.readBits(e+1)-1}},{key:"readEG",value:function(){var e=this.readUEG();return 1&e?1+e>>>1:-1*(e>>>1)}},{key:"readBoolean",value:function(){return 1===this.readBits(1)}},{key:"readUByte",value:function(){return this.readBits(8)}},{key:"readUShort",value:function(){return this.readBits(16)}},{key:"readUInt",value:function(){return this.readBits(32)}},{key:"skipScalingList",value:function(a){var t,i,r=8,e=8;for(t=0;a>t;t++)0!==e&&(i=this.readEG(),e=(r+i+256)%256),r=0===e?r:e}},{key:"readSPS",value:function(){var t,v,p,l,a,n,i,o,r,s=0,d=0,f=0,h=0,c=1;if(this.readUByte(),t=this.readUByte(),v=this.readBits(5),this.skipBits(3),p=this.readUByte(),this.skipUEG(),100===t||110===t||122===t||244===t||44===t||83===t||86===t||118===t||128===t){var g=this.readUEG();if(3===g&&this.skipBits(1),this.skipUEG(),this.skipUEG(),this.skipBits(1),this.readBoolean())for(o=3!==g?8:12,r=0;o>r;r++)this.readBoolean()&&(6>r?this.skipScalingList(16):this.skipScalingList(64))}this.skipUEG();var u=this.readUEG();if(0===u)this.readUEG();else if(1===u)for(this.skipBits(1),this.skipEG(),this.skipEG(),l=this.readUEG(),r=0;l>r;r++)this.skipEG();if(this.skipUEG(),this.skipBits(1),a=this.readUEG(),n=this.readUEG(),i=this.readBits(1),0===i&&this.skipBits(1),this.skipBits(1),this.readBoolean()&&(s=this.readUEG(),d=this.readUEG(),f=this.readUEG(),h=this.readUEG()),this.readBoolean()&&this.readBoolean()){var e=void 0,y=this.readUByte();switch(y){case 1:e=[1,1];break;case 2:e=[12,11];break;case 3:e=[10,11];break;case 4:e=[16,11];break;case 5:e=[40,33];break;case 6:e=[24,11];break;case 7:e=[20,11];break;case 8:e=[32,11];break;case 9:e=[80,33];break;case 10:e=[18,11];break;case 11:e=[15,11];break;case 12:e=[64,33];break;case 13:e=[160,99];break;case 14:e=[4,3];break;case 15:e=[3,2];break;case 16:e=[2,1];break;case 255:e=[this.readUByte()<<8|this.readUByte(),this.readUByte()<<8|this.readUByte()]}e&&(c=e[0]/e[1])}return{width:Math.ceil((16*(a+1)-2*s-2*d)*c),height:(2-i)*(n+1)*16-(i?2:4)*(f+h)}}},{key:"readSliceType",value:function(){return this.readUByte(),this.readUEG(),this.readUEG()}}]),e}();e.default=n},{"../utils/logger":38}],19:[function(r,s,t){"use strict";function i(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(t,"__esModule",{value:!0});var a=function(){function e(i,r){for(var t=0;tr);return t}},{key:"_parseID3Frames",value:function(r,t,n){for(var a,s,o,l,i;n>=t+8;)switch(a=this.readUTF(r,t,4),t+=4,s=r[t++]<<24+r[t++]<<16+r[t++]<<8+r[t++],l=r[t++]<<8+r[t++],o=t,a){case"PRIV":if("com.apple.streaming.transportStreamTimestamp"===this.readUTF(r,t,44)){t+=44,t+=4;var u=1&r[t++];this._hasTimeStamp=!0,i=((r[t++]<<23)+(r[t++]<<15)+(r[t++]<<7)+r[t++])/45,u&&(i+=47721858.84),i=Math.round(i),e.logger.trace("ID3 timestamp found: "+i),this._timeStamp=i}}}},{key:"hasTimeStamp",get:function(){return this._hasTimeStamp}},{key:"timeStamp",get:function(){return this._timeStamp}},{key:"length",get:function(){return this._length}},{key:"payload",get:function(){return this._payload}}]),t}();t.default=n},{"../utils/logger":38}],20:[function(t,g,a){"use strict";function i(e){return e&&e.__esModule?e:{default:e}}function u(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(a,"__esModule",{value:!0});var f=function(){function e(i,r){for(var t=0;tt;t+=188)if(71===i[t]){if(d=!!(64&i[t+1]),u=((31&i[t+1])<<8)+i[t+2],y=(48&i[t+3])>>4,y>1){if(a=t+5+i[t+4],a===t+188)continue}else a=t+4;if(v)if(u===h){if(d){if(s&&(this._parseAVCPES(this._parsePES(s)),b&&this._avcTrack.codec&&(-1===f||this._aacTrack.codec)))return void this.remux(i);s={data:[],size:0}}s&&(s.data.push(i.subarray(a,t+188)),s.size+=t+188-a)}else if(u===f){if(d){if(o&&(this._parseAACPES(this._parsePES(o)),b&&this._aacTrack.codec&&(-1===h||this._avcTrack.codec)))return void this.remux(i);o={data:[],size:0}}o&&(o.data.push(i.subarray(a,t+188)),o.size+=t+188-a)}else u===_&&(d&&(l&&this._parseID3PES(this._parsePES(l)),l={data:[],size:0}),l&&(l.data.push(i.subarray(a,t+188)),l.size+=t+188-a));else d&&(a+=i[a]+1),0===u?this._parsePAT(i,a):u===this._pmtId?(this._parsePMT(i,a),v=this.pmtParsed=!0,h=this._avcTrack.id,f=this._aacTrack.id,_=this._id3Track.id,g&&(e.logger.log("reparse from beginning"),g=!1,t=-188)):(e.logger.log("unknown PID found before PAT/PMT"),g=!0)}else this.observer.trigger(n.default.ERROR,{type:r.ErrorTypes.MEDIA_ERROR,details:r.ErrorDetails.FRAG_PARSING_ERROR,fatal:!1,reason:"TS packet did not start with 0x47"});s&&this._parseAVCPES(this._parsePES(s)),o&&this._parseAACPES(this._parsePES(o)),l&&this._parseID3PES(this._parsePES(l)),this.remux(null)}},{key:"remux",value:function(e){this.remuxer.remux(this._aacTrack,this._avcTrack,this._id3Track,this._txtTrack,this.timeOffset,this.contiguous,e)}},{key:"destroy",value:function(){this.switchLevel(),this._initPTS=this._initDTS=void 0,this._duration=0}},{key:"_parsePAT",value:function(e,t){this._pmtId=(31&e[t+10])<<8|e[t+11]}},{key:"_parsePMT",value:function(r,t){var a,n,s,i;for(a=(15&r[t+1])<<8|r[t+2],n=t+3+a-4,s=(15&r[t+10])<<8|r[t+11],t+=12+s;n>t;){switch(i=(31&r[t+1])<<8|r[t+2],r[t]){case 15:this._aacTrack.id=i;break;case 21:this._id3Track.id=i;break;case 27:this._avcTrack.id=i;break;default:e.logger.log("unkown stream type:"+r[t])}t+=((15&r[t+3])<<8|r[t+4])+5}}},{key:"_parsePES",value:function(o){var e,n,h,d,u,l,i,r,t,f=0,s=o.data;if(e=s[0],h=(e[0]<<16)+(e[1]<<8)+e[2],1===h){for(d=(e[4]<<8)+e[5],n=e[7],192&n&&(i=536870912*(14&e[9])+4194304*(255&e[10])+16384*(254&e[11])+128*(255&e[12])+(254&e[13])/2,i>4294967295&&(i-=8589934592),64&n?(r=536870912*(14&e[14])+4194304*(255&e[15])+16384*(254&e[16])+128*(255&e[17])+(254&e[18])/2,r>4294967295&&(r-=8589934592)):r=i),u=e[8],t=u+9,o.size-=t,l=new Uint8Array(o.size);s.length;){e=s.shift();var a=e.byteLength;if(t){if(t>a){t-=a;continue}e=e.subarray(t),a-=t,t=0}l.set(e,f),f+=a}return{data:l,pts:i,dts:r,len:d}}return null}},{key:"_parseAVCPES",value:function(i){var t,m,n,o,y=this,r=this._avcTrack,u=r.samples,p=this._parseAVCNALu(i.data),d=[],l=!1,c=!1,f=0;if(0===p.length&&u.length>0){var g=u[u.length-1],h=g.units.units[g.units.units.length-1],v=new Uint8Array(h.data.byteLength+i.data.byteLength);v.set(h.data,0),v.set(i.data,h.data.byteLength),h.data=v,g.units.length+=i.data.byteLength,r.len+=i.data.byteLength}i.data=null;var a="",E=function(){d.length&&((c===!0||r.sps&&(u.length||this.contiguous))&&(m={units:{units:d,length:f},pts:i.pts,dts:i.dts,key:c},u.push(m),r.len+=f,r.nbNalu+=d.length),d=[],f=0)}.bind(this);p.forEach(function(e){switch(e.type){case 1:n=!0,l&&(a+="NDR ");break;case 5:n=!0,l&&(a+="IDR "),c=!0;break;case 6:n=!0,l&&(a+="SEI "),t=new s.default(e.data),t.readUByte();var b=t.readUByte();if(4===b){var v=0;do v=t.readUByte();while(255===v);var A=t.readUByte();if(181===A){var R=t.readUShort();if(49===R){var L=t.readUInt();if(1195456820===L){var T=t.readUByte();if(3===T){var g=t.readUByte(),_=t.readUByte(),S=31&g,h=[g,_];for(o=0;S>o;o++)h.push(t.readUByte()),h.push(t.readUByte()),h.push(t.readUByte());y._txtTrack.samples.push({type:3,pts:i.pts,bytes:h})}}}}}break;case 7:if(n=!0,l&&(a+="SPS "),!r.sps){t=new s.default(e.data);var p=t.readSPS();r.width=p.width,r.height=p.height,r.sps=[e.data],r.duration=y._duration;var k=e.data.subarray(1,4),m="avc1.";for(o=0;3>o;o++){var u=k[o].toString(16);u.length<2&&(u="0"+u),m+=u}r.codec=m}break;case 8:n=!0,l&&(a+="PPS "),r.pps||(r.pps=[e.data]);break;case 9:n=!1,l&&(a+="AUD "),E();break;default:n=!1,a+="unknown NAL "+e.type+" "}n&&(d.push(e),f+=e.data.byteLength)}),(l||a.length)&&e.logger.log(a),E()}},{key:"_parseAVCNALu",value:function(r){for(var s,i,l,_,n,d,t=0,v=r.byteLength,e=this.avcNaluState,g=[];v>t;)switch(s=r[t++],e){case 0:0===s&&(e=1);break;case 1:e=0===s?2:0;break;case 2:case 3:if(0===s)e=3;else if(1===s&&v>t){if(_=31&r[t],n)l={data:r.subarray(n,t-e-1),type:d},g.push(l);else{var a=this.avcNaluState;if(a&&4-a>=t){var m=this._avcTrack,c=m.samples;if(c.length){var p=c[c.length-1],R=p.units.units,u=R[R.length-1];u.state&&(u.data=u.data.subarray(0,u.data.byteLength-a),p.units.length-=a,m.len-=a)}}if(i=t-e-1,i>0){var y=this._avcTrack,h=y.samples;if(h.length){var E=h[h.length-1],b=E.units.units,o=b[b.length-1],f=new Uint8Array(o.data.byteLength+i);f.set(o.data,0),f.set(r.subarray(0,i),o.data.byteLength),o.data=f,E.units.length+=i,y.len+=i}}}n=t,d=_,e=0}else e=0}return n&&(l={data:r.subarray(n,v),type:d,state:e},g.push(l),this.avcNaluState=e),g}},{key:"_parseAACPES",value:function(R){var l,o,p,E,t,d,f,s,_,a=this._aacTrack,i=R.data,g=R.pts,k=0,L=this._duration,A=this.audioCodec,u=this.aacOverFlow,b=this.aacLastPTS;if(u){var m=new Uint8Array(u.byteLength+i.byteLength);m.set(u,0),m.set(i,u.byteLength),i=m}for(t=k,s=i.length;s-1>t&&(255!==i[t]||240!==(240&i[t+1]));t++);if(t){var y,h;if(s-1>t?(y="AAC PES did not start with ADTS header,offset:"+t,h=!1):(y="no ADTS header found in AAC PES",h=!0),this.observer.trigger(n.default.ERROR,{type:r.ErrorTypes.MEDIA_ERROR,details:r.ErrorDetails.FRAG_PARSING_ERROR,fatal:h,reason:y}),h)return}if(a.audiosamplerate||(l=c.default.getAudioConfig(this.observer,i,t,A),a.config=l.config,a.audiosamplerate=l.samplerate,a.channelCount=l.channelCount,a.codec=l.codec,a.duration=L,e.logger.log("parsed codec:"+a.codec+",rate:"+l.samplerate+",nb channel:"+l.channelCount)),E=0,p=9216e4/a.audiosamplerate,u&&b){var v=b+p;Math.abs(v-g)>1&&(e.logger.log("AAC: align PTS for overlapping frames by "+Math.round((v-g)/90)),g=v)}for(;s>t+5&&(d=1&i[t+1]?7:9,o=(3&i[t+3])<<11|i[t+4]<<3|(224&i[t+5])>>>5,o-=d,o>0&&s>=t+d+o);)for(f=g+E*p,_={unit:i.subarray(t+d,t+d+o),pts:f,dts:f},a.samples.push(_),a.len+=o,t+=o+d,E++;s-1>t&&(255!==i[t]||240!==(240&i[t+1]));t++);u=s>t?i.subarray(t,s):null,this.aacOverFlow=u,this.aacLastPTS=f}},{key:"_parseID3PES",value:function(e){this._id3Track.samples.push(e)}}],[{key:"probe",value:function(e){return e.length>=564&&71===e[0]&&71===e[188]&&71===e[376]}}]),t}();a.default=o},{"../errors":21,"../events":23,"../utils/logger":38,"./adts":14,"./exp-golomb":18}],21:[function(t,r,e){"use strict";Object.defineProperty(e,"__esModule",{value:!0});e.ErrorTypes={NETWORK_ERROR:"networkError",MEDIA_ERROR:"mediaError",OTHER_ERROR:"otherError"},e.ErrorDetails={MANIFEST_LOAD_ERROR:"manifestLoadError",MANIFEST_LOAD_TIMEOUT:"manifestLoadTimeOut",MANIFEST_PARSING_ERROR:"manifestParsingError",MANIFEST_INCOMPATIBLE_CODECS_ERROR:"manifestIncompatibleCodecsError",LEVEL_LOAD_ERROR:"levelLoadError",LEVEL_LOAD_TIMEOUT:"levelLoadTimeOut",LEVEL_SWITCH_ERROR:"levelSwitchError",FRAG_LOAD_ERROR:"fragLoadError",FRAG_LOOP_LOADING_ERROR:"fragLoopLoadingError",FRAG_LOAD_TIMEOUT:"fragLoadTimeOut",FRAG_DECRYPT_ERROR:"fragDecryptError",FRAG_PARSING_ERROR:"fragParsingError",KEY_LOAD_ERROR:"keyLoadError",KEY_LOAD_TIMEOUT:"keyLoadTimeOut",BUFFER_APPEND_ERROR:"bufferAppendError",BUFFER_APPENDING_ERROR:"bufferAppendingError",BUFFER_STALLED_ERROR:"bufferStalledError",BUFFER_FULL_ERROR:"bufferFullError",BUFFER_SEEK_OVER_HOLE:"bufferSeekOverHole",INTERNAL_EXCEPTION:"internalException"}},{}],22:[function(e,f,t){"use strict";function i(e){return e&&e.__esModule?e:{default:e}}function a(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(t,"__esModule",{value:!0});var n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol?"symbol":typeof e},d=function(){function e(i,r){for(var t=0;t1?r-1:0),t=1;r>t;t++)i[t-1]=arguments[t];this.handledEvents=i,this.useGenericHandler=!0,this.registerListeners()}return d(e,[{key:"destroy",value:function(){this.unregisterListeners()}},{key:"isEventHandler",value:function(){return"object"===n(this.handledEvents)&&this.handledEvents.length&&"function"==typeof this.onEvent}},{key:"registerListeners",value:function(){this.isEventHandler()&&this.handledEvents.forEach(function(e){if("hlsEventGeneric"===e)throw new Error("Forbidden event name: "+e);this.hls.on(e,this.onEvent)}.bind(this))}},{key:"unregisterListeners",value:function(){this.isEventHandler()&&this.handledEvents.forEach(function(e){this.hls.off(e,this.onEvent)}.bind(this))}},{key:"onEvent",value:function(e,t){this.onEventGeneric(e,t)}},{key:"onEventGeneric",value:function(e,t){var i=function(t,r){var e="on"+t.replace("hls","");if("function"!=typeof this[e])throw new Error("Event "+t+" has no generic handler in this "+this.constructor.name+" class (tried "+e+")");return this[e].bind(this,r)};try{i.call(this,e,t).call()}catch(t){o.logger.error("internal error happened while processing "+e+":"+t.message),this.hls.trigger(s.default.ERROR,{type:r.ErrorTypes.OTHER_ERROR,details:r.ErrorDetails.INTERNAL_EXCEPTION,fatal:!1,event:e,err:t})}}}]),e}();t.default=l},{"./errors":21,"./events":23,"./utils/logger":38}],23:[function(t,e,r){"use strict";e.exports={MEDIA_ATTACHING:"hlsMediaAttaching",MEDIA_ATTACHED:"hlsMediaAttached",MEDIA_DETACHING:"hlsMediaDetaching",MEDIA_DETACHED:"hlsMediaDetached",BUFFER_RESET:"hlsBufferReset",BUFFER_CODECS:"hlsBufferCodecs",BUFFER_APPENDING:"hlsBufferAppending",BUFFER_APPENDED:"hlsBufferAppended",BUFFER_EOS:"hlsBufferEos",BUFFER_FLUSHING:"hlsBufferFlushing",BUFFER_FLUSHED:"hlsBufferFlushed",MANIFEST_LOADING:"hlsManifestLoading",MANIFEST_LOADED:"hlsManifestLoaded",MANIFEST_PARSED:"hlsManifestParsed",LEVEL_LOADING:"hlsLevelLoading",LEVEL_LOADED:"hlsLevelLoaded",LEVEL_UPDATED:"hlsLevelUpdated",LEVEL_PTS_UPDATED:"hlsLevelPtsUpdated",LEVEL_SWITCH:"hlsLevelSwitch",FRAG_LOADING:"hlsFragLoading",FRAG_LOAD_PROGRESS:"hlsFragLoadProgress",FRAG_LOAD_EMERGENCY_ABORTED:"hlsFragLoadEmergencyAborted",FRAG_LOADED:"hlsFragLoaded",FRAG_PARSING_INIT_SEGMENT:"hlsFragParsingInitSegment",FRAG_PARSING_USERDATA:"hlsFragParsingUserdata",FRAG_PARSING_METADATA:"hlsFragParsingMetadata",FRAG_PARSING_DATA:"hlsFragParsingData",FRAG_PARSED:"hlsFragParsed",FRAG_BUFFERED:"hlsFragBuffered",FRAG_CHANGED:"hlsFragChanged",FPS_DROP:"hlsFpsDrop",ERROR:"hlsError",DESTROYING:"hlsDestroying",KEY_LOADING:"hlsKeyLoading",KEY_LOADED:"hlsKeyLoaded"}},{}],24:[function(a,n,e){"use strict";function t(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(e,"__esModule",{value:!0});var r=function(){function e(i,r){for(var t=0;td&&(t[u-1].end=r[e].end):t.push(r[e])}else t.push(r[e])}for(e=0,o=0,l=a=i;e=n&&f>i)l=n,a=f,o=a-i;else if(n>i+s){h=n;break}}return{len:o,start:l,end:a,nextStart:h}}}]),e}();e.default=i},{}],25:[function(r,s,t){"use strict";function i(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(t,"__esModule",{value:!0});var a=function(){function e(i,r){for(var t=0;th)return void(i.PTSKnown=!1);for(var r=c;h>=r;r++){var o=f[u+r],n=l[r];d=o.cc-n.cc,isNaN(o.startPTS)||(n.start=n.startPTS=o.startPTS,n.endPTS=o.endPTS,n.duration=o.duration,a=n)}if(d)for(e.logger.log("discontinuity sliding from playlist, take drift into account"),r=0;r=0&&ui.endSN)return 0;o=u-i.startSN,n=i.fragments,e=n[o],isNaN(e.startPTS)||(a=Math.min(a,e.startPTS),s=Math.max(s,e.endPTS),l=Math.min(l,e.startDTS),d=Math.max(d,e.endDTS));var f=a-e.start;for(e.start=e.startPTS=a,e.endPTS=s,e.startDTS=l,e.endDTS=d,e.duration=s-a,r=o;r>0;r--)t.updatePTS(n,r,r-1);for(r=o;ri?r.start=t.start+t.duration:r.start=t.start-r.duration:a>i?(t.duration=n-t.start,t.duration<0&&e.logger.error("negative duration computed for frag "+t.sn+",level "+t.level+", there should be some duration drift between playlist and fragment!")):(r.duration=t.start-n,r.duration<0&&e.logger.error("negative duration computed for frag "+r.sn+",level "+r.level+", there should be some duration drift between playlist and fragment!"))}}]),t}();t.default=n},{"../utils/logger":38}],26:[function(t,I,a){"use strict";function r(e){return e&&e.__esModule?e:{default:e}}function o(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(a,"__esModule",{value:!0});var n=function(){function e(i,r){for(var t=0;t1?t-1:0),e=1;t>e;e++)a[e-1]=arguments[e];i.emit.apply(i,[r,r].concat(a))},i.off=function(a){for(var t=arguments.length,r=Array(t>1?t-1:0),e=1;t>e;e++)r[e-1]=arguments[e];i.removeListener.apply(i,[a].concat(r))},this.on=i.on.bind(i),this.off=i.off.bind(i),this.trigger=i.trigger.bind(i),this.playlistLoader=new d.default(this),this.fragmentLoader=new h.default(this),this.levelController=new R.default(this),this.abrController=new r.abrController(this),this.bufferController=new r.bufferController(this),this.capLevelController=new r.capLevelController(this),this.streamController=new r.streamController(this),this.timelineController=new r.timelineController(this),this.keyLoader=new p.default(this)}return n(t,null,[{key:"isSupported",value:function(){return window.MediaSource&&window.MediaSource.isTypeSupported('video/mp4; codecs="avc1.42E01E,mp4a.40.2"')}},{key:"Events",get:function(){return i.default}},{key:"ErrorTypes",get:function(){return s.ErrorTypes}},{key:"ErrorDetails",get:function(){return s.ErrorDetails}},{key:"DefaultConfig",get:function(){return t.defaultConfig||(t.defaultConfig={autoStartLoad:!0,debug:!1,capLevelToPlayerSize:!1,maxBufferLength:30,maxBufferSize:6e7,maxBufferHole:.5,maxSeekHole:2,seekHoleNudgeDuration:.01,stalledInBufferedNudgeThreshold:10,maxFragLookUpTolerance:.2,liveSyncDurationCount:3,liveMaxLatencyDurationCount:1/0,liveSyncDuration:void 0,liveMaxLatencyDuration:void 0,maxMaxBufferLength:600,enableWorker:!0,enableSoftwareAES:!0,manifestLoadingTimeOut:1e4,manifestLoadingMaxRetry:1,manifestLoadingRetryDelay:1e3,levelLoadingTimeOut:1e4,levelLoadingMaxRetry:4,levelLoadingRetryDelay:1e3,fragLoadingTimeOut:2e4,fragLoadingMaxRetry:6,fragLoadingRetryDelay:1e3,fragLoadingLoopThreshold:3,startFragPrefetch:!1,appendErrorMaxRetry:3,loader:S.default,fLoader:void 0,pLoader:void 0,abrController:g.default,bufferController:P.default,capLevelController:m.default,streamController:b.default,timelineController:L.default,enableCEA708Captions:!0,enableMP2TPassThrough:!1,abrEwmaFast:0,abrEwmaSlow:0,abrBandWidthFactor:.8,abrBandWidthUpFactor:.7}),t.defaultConfig},set:function(e){t.defaultConfig=e}}]),n(t,[{key:"destroy",value:function(){e.logger.log("destroy"),this.trigger(i.default.DESTROYING),this.detachMedia(),this.playlistLoader.destroy(),this.fragmentLoader.destroy(),this.levelController.destroy(),this.abrController.destroy(),this.bufferController.destroy(),this.capLevelController.destroy(),this.streamController.destroy(),this.timelineController.destroy(),this.keyLoader.destroy(),this.url=null,this.observer.removeAllListeners()}},{key:"attachMedia",value:function(t){e.logger.log("attachMedia"),this.media=t,this.trigger(i.default.MEDIA_ATTACHING,{media:t})}},{key:"detachMedia",value:function(){e.logger.log("detachMedia"),this.trigger(i.default.MEDIA_DETACHING),this.media=null}},{key:"loadSource",value:function(t){e.logger.log("loadSource:"+t),this.url=t,this.trigger(i.default.MANIFEST_LOADING,{url:t})}},{key:"startLoad",value:function(){var t=arguments.length<=0||void 0===arguments[0]?0:arguments[0];e.logger.log("startLoad"),this.levelController.startLoad(),this.streamController.startLoad(t)}},{key:"stopLoad",value:function(){e.logger.log("stopLoad"),this.levelController.stopLoad(),this.streamController.stopLoad()}},{key:"swapAudioCodec",value:function(){e.logger.log("swapAudioCodec"),this.streamController.swapAudioCodec()}},{key:"recoverMediaError",value:function(){e.logger.log("recoverMediaError");var t=this.media;this.detachMedia(),this.attachMedia(t)}},{key:"levels",get:function(){return this.levelController.levels}},{key:"currentLevel",get:function(){return this.streamController.currentLevel},set:function(t){e.logger.log("set currentLevel:"+t),this.loadLevel=t,this.streamController.immediateLevelSwitch()}},{key:"nextLevel",get:function(){return this.streamController.nextLevel},set:function(t){e.logger.log("set nextLevel:"+t),this.levelController.manualLevel=t,this.streamController.nextLevelSwitch()}},{key:"loadLevel",get:function(){return this.levelController.level},set:function(t){e.logger.log("set loadLevel:"+t),this.levelController.manualLevel=t}},{key:"nextLoadLevel",get:function(){return this.levelController.nextLoadLevel},set:function(e){this.levelController.nextLoadLevel=e}},{key:"firstLevel",get:function(){return this.levelController.firstLevel},set:function(t){e.logger.log("set firstLevel:"+t),this.levelController.firstLevel=t}},{key:"startLevel",get:function(){return this.levelController.startLevel},set:function(t){e.logger.log("set startLevel:"+t),this.levelController.startLevel=t}},{key:"autoLevelCapping",get:function(){return this.abrController.autoLevelCapping},set:function(t){e.logger.log("set autoLevelCapping:"+t),this.abrController.autoLevelCapping=t}},{key:"autoLevelEnabled",get:function(){return-1===this.levelController.manualLevel}},{key:"manualLevel",get:function(){return this.levelController.manualLevel}}]),t}();a.default=l},{"./controller/abr-controller":3,"./controller/buffer-controller":4,"./controller/cap-level-controller":5,"./controller/level-controller":7,"./controller/stream-controller":8,"./controller/timeline-controller":9,"./errors":21,"./events":23,"./loader/fragment-loader":28,"./loader/key-loader":29,"./loader/playlist-loader":30,"./utils/logger":38,"./utils/xhr-loader":40,events:1}],27:[function(e,t,r){"use strict";t.exports=e("./hls.js").default},{"./hls.js":26}],28:[function(r,c,i){"use strict";function a(e){return e&&e.__esModule?e:{default:e}}function u(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function f(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been 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e,b,u,n,g=0,o=0,i={url:s,fragments:[],live:!0,startSN:0},r={method:null,key:null,iv:null,uri:null},y=0,d=null,t=null;for(b=/(?:#EXT-X-(MEDIA-SEQUENCE):(\d+))|(?:#EXT-X-(TARGETDURATION):(\d+))|(?:#EXT-X-(KEY):(.*))|(?:#EXT(INF):([\d\.]+)[^\r\n]*([\r\n]+[^#|\r\n]+)?)|(?:#EXT-X-(BYTERANGE):([\d]+[@[\d]*)]*[\r\n]+([^#|\r\n]+)?|(?:#EXT-X-(ENDLIST))|(?:#EXT-X-(DIS)CONTINUITY))|(?:#EXT-X-(PROGRAM-DATE-TIME):(.*)[\r\n]+([^#|\r\n]+)?)/g;null!==(e=b.exec(L));)switch(e.shift(),e=e.filter(function(e){return void 0!==e}),e[0]){case"MEDIA-SEQUENCE":g=i.startSN=parseInt(e[1]);break;case"TARGETDURATION":i.targetduration=parseFloat(e[1]);break;case"ENDLIST":i.live=!1;break;case"DIS":y++;break;case"BYTERANGE":var h=e[1].split("@");n=1===h.length?u:parseInt(h[1]),u=parseInt(h[0])+n,t&&!t.url&&(t.byteRangeStartOffset=n,t.byteRangeEndOffset=u,t.url=this.resolve(e[2],s));break;case"INF":var c=parseFloat(e[1]);if(!isNaN(c)){var f,m=g++;if(r.method&&r.uri&&!r.iv){f=this.cloneObj(r);for(var E=new 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c,A=s.default.bufferInfo(h,R,o.maxBufferHole),T=A.len,u=A.end,v=this.fragPrevious;if(this.levels[l].hasOwnProperty("bitrate")?(c=Math.max(8*o.maxBufferSize/this.levels[l].bitrate,o.maxBufferLength),c=Math.min(c,o.maxMaxBufferLength)):c=o.maxBufferLength,c>T){if(f.nextLoadLevel=l,this.level=l,n=this.levels[l].details,"undefined"==typeof n||n.live&&this.levelLastLoaded!==l){this.state=e.WAITING_LEVEL;break}var d=n.fragments,g=d.length,y=d[0].start,m=d[g-1].start+d[g-1].duration,a=void 0;if(n.live){var S=void 0!==o.liveMaxLatencyDuration?o.liveMaxLatencyDuration:o.liveMaxLatencyDurationCount*n.targetduration;if(um)break;if(this.startFragRequested&&!n.PTSKnown){if(v){var E=v.sn+1;E>=n.startSN&&E<=n.endSN&&(a=d[E-n.startSN],t.logger.log("live playlist, switching playlist, load frag with next SN: "+a.sn))}a||(a=d[Math.min(g-1,Math.round(g/2))],t.logger.log("live playlist, switching playlist, unknown, load middle frag : "+a.sn))}}else y>u&&(a=d[0]);if(a||!function(){var e=o.maxFragLookUpTolerance;m>u?((u>m-e||b)&&(e=0),a=p.default.search(d,function(t){return t.start+t.duration-e<=u?1:t.start-e>u?-1:0})):a=d[g-1]}(),a){if(y=a.start,v&&a.level===v.level&&a.sn===v.sn){if(!(a.sn1&&(a.expectedLen=Math.round(a.duration*this.levels[l].bitrate/8),a.trequest=performance.now()),void 0!==this.fragLoadIdx?this.fragLoadIdx++:this.fragLoadIdx=0,a.loadCounter){a.loadCounter++;var L=o.fragLoadingLoopThreshold;if(a.loadCounter>L&&Math.abs(this.fragLoadIdx-a.loadIdx)=k||b)&&(t.logger.log("mediaController: retryDate reached, switch back to IDLE state"),this.state=e.IDLE);break;case e.STOPPED:case e.FRAG_LOADING:case e.PARSING:case e.PARSED:case e.ENDED:}this._checkBuffer(),this._checkFragmentChanged()}},{key:"getBufferRange",value:function(i){var e,t,r=this.bufferRange;if(r)for(e=r.length-1;e>=0;e--)if(t=r[e],i>=t.start&&i<=t.end)return t;return null}},{key:"followingBufferRange",value:function(e){return e?this.getBufferRange(e.end+.5):null}},{key:"isBuffered",value:function(r){var i=this.media;if(i)for(var t=i.buffered,e=0;e=t.start(e)&&r<=t.end(e))return!0;return!1}},{key:"_checkFragmentChanged",value:function(){var t,e,i=this.media;if(i&&i.seeking===!1&&(e=i.currentTime,e>i.playbackRate*this.lastCurrentTime&&(this.lastCurrentTime=e),this.isBuffered(e)?t=this.getBufferRange(e):this.isBuffered(e+.1)&&(t=this.getBufferRange(e+.1)),t)){var a=t.frag;a!==this.fragPlaying&&(this.fragPlaying=a,this.hls.trigger(r.default.FRAG_CHANGED,{frag:a}))}}},{key:"immediateLevelSwitch",value:function(){t.logger.log("immediateLevelSwitch"),this.immediateSwitch||(this.immediateSwitch=!0,this.previouslyPaused=this.media.paused,this.media.pause());var i=this.fragCurrent;i&&i.loader&&i.loader.abort(),this.fragCurrent=null,this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold,this.state=e.PAUSED,this.hls.trigger(r.default.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY})}},{key:"immediateLevelSwitchEnd",value:function(){this.immediateSwitch=!1;var e=this.media;e&&e.readyState&&(e.currentTime-=1e-4,this.previouslyPaused||e.play())}},{key:"nextLevelSwitch",value:function(){var t=this.media;if(t&&t.readyState){var n=void 0,a=void 0,i=void 0;if(this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold,a=this.getBufferRange(t.currentTime),a&&a.start>1&&(this.state=e.PAUSED,this.hls.trigger(r.default.BUFFER_FLUSHING,{startOffset:0,endOffset:a.start-1})),t.paused)n=0;else{var l=this.hls.nextLoadLevel,u=this.levels[l],o=this.fragLastKbps;n=o&&this.fragCurrent?this.fragCurrent.duration*u.bitrate/(1e3*o)+1:0}if(i=this.getBufferRange(t.currentTime+n),i&&(i=this.followingBufferRange(i))){var s=this.fragCurrent;s&&s.loader&&s.loader.abort(),this.fragCurrent=null,this.state=e.PAUSED,this.hls.trigger(r.default.BUFFER_FLUSHING,{startOffset:i.start,endOffset:Number.POSITIVE_INFINITY})}}}},{key:"onMediaAttached",value:function(t){var e=this.media=t.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvseeked=this.onMediaSeeked.bind(this),this.onvended=this.onMediaEnded.bind(this),e.addEventListener("seeking",this.onvseeking),e.addEventListener("seeked",this.onvseeked),e.addEventListener("ended",this.onvended),this.levels&&this.config.autoStartLoad&&this.hls.startLoad()}},{key:"onMediaDetaching",value:function(){var e=this.media;e&&e.ended&&(t.logger.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0);var r=this.levels;r&&r.forEach(function(e){e.details&&e.details.fragments.forEach(function(e){e.loadCounter=void 0})}),e&&(e.removeEventListener("seeking",this.onvseeking),e.removeEventListener("seeked",this.onvseeked),e.removeEventListener("ended",this.onvended),this.onvseeking=this.onvseeked=this.onvended=null),this.media=null,this.loadedmetadata=!1,this.stopLoad()}},{key:"onMediaSeeking",value:function(){if(this.state===e.FRAG_LOADING){if(0===s.default.bufferInfo(this.media,this.media.currentTime,this.config.maxBufferHole).len){t.logger.log("seeking outside of buffer while fragment load in progress, cancel fragment load");var r=this.fragCurrent;r&&(r.loader&&r.loader.abort(),this.fragCurrent=null),this.fragPrevious=null,this.state=e.IDLE}}else this.state===e.ENDED&&(this.state=e.IDLE);this.media&&(this.lastCurrentTime=this.media.currentTime),void 0!==this.fragLoadIdx&&(this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold),this.tick()}},{key:"onMediaSeeked",value:function(){this.tick()}},{key:"onMediaEnded",value:function(){t.logger.log("media ended"),this.startPosition=this.lastCurrentTime=0}},{key:"onManifestLoading",value:function(){t.logger.log("trigger BUFFER_RESET"),this.hls.trigger(r.default.BUFFER_RESET),this.bufferRange=[],this.stalled=!1}},{key:"onManifestParsed",value:function(r){var e,i=!1,a=!1;r.levels.forEach(function(t){e=t.audioCodec,e&&(-1!==e.indexOf("mp4a.40.2")&&(i=!0),-1!==e.indexOf("mp4a.40.5")&&(a=!0))}),this.audioCodecSwitch=i&&a,this.audioCodecSwitch&&t.logger.log("both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC"),this.levels=r.levels,this.startLevelLoaded=!1,this.startFragRequested=!1,this.config.autoStartLoad&&this.hls.startLoad()}},{key:"onLevelLoaded",value:function(s){var i=s.details,a=s.level,o=this.levels[a],l=i.totalduration,n=0;if(t.logger.log("level "+a+" loaded ["+i.startSN+","+i.endSN+"],duration:"+l),this.levelLastLoaded=a,i.live){var d=o.details;d?(u.default.mergeDetails(d,i),n=i.fragments[0].start,i.PTSKnown?t.logger.log("live playlist sliding:"+n.toFixed(3)):t.logger.log("live playlist - outdated PTS, unknown sliding")):(i.PTSKnown=!1,t.logger.log("live playlist - first load, unknown sliding"))}else i.PTSKnown=!1;if(o.details=i,this.hls.trigger(r.default.LEVEL_UPDATED,{details:i,level:a}),this.startFragRequested===!1){if(i.live){var f=void 0!==this.config.liveSyncDuration?this.config.liveSyncDuration:this.config.liveSyncDurationCount*i.targetduration;this.startPosition=Math.max(0,n+l-f)}this.nextLoadPosition=this.startPosition}this.state===e.WAITING_LEVEL&&(this.state=e.IDLE),this.tick()}},{key:"onKeyLoaded",value:function(){this.state===e.KEY_LOADING&&(this.state=e.IDLE,this.tick())}},{key:"onFragLoaded",value:function(a){var i=this.fragCurrent;if(this.state===e.FRAG_LOADING&&i&&a.frag.level===i.level&&a.frag.sn===i.sn)if(t.logger.log("Loaded "+i.sn+" of level "+i.level),this.fragBitrateTest===!0)this.state=e.IDLE,this.fragBitrateTest=!1,this.startFragRequested=!1,a.stats.tparsed=a.stats.tbuffered=performance.now(),this.hls.trigger(r.default.FRAG_BUFFERED,{stats:a.stats,frag:i});else{this.state=e.PARSING,this.stats=a.stats;var s=this.levels[this.level],o=s.details,f=o.totalduration,h=void 0!==i.startDTS?i.startDTS:i.start,l=i.level,u=i.sn,n=s.audioCodec||this.config.defaultAudioCodec;this.audioCodecSwap&&(t.logger.log("swapping playlist audio codec"),void 0===n&&(n=this.lastAudioCodec),n&&(n=-1!==n.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5")),this.pendingAppending=0,t.logger.log("Demuxing "+u+" of ["+o.startSN+" ,"+o.endSN+"],level "+l);var d=this.demuxer;d&&d.push(a.payload,n,s.videoCodec,h,i.cc,l,u,f,i.decryptdata)}this.fragLoadError=0}},{key:"onFragParsingInitSegment",value:function(l){if(this.state===e.PARSING){var o,i,a=l.tracks;if(i=a.audio){var n=this.levels[this.level].audioCodec,u=navigator.userAgent.toLowerCase();n&&this.audioCodecSwap&&(t.logger.log("swapping playlist audio codec"),n=-1!==n.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5"),this.audioCodecSwitch&&1!==i.metadata.channelCount&&-1===u.indexOf("firefox")&&(n="mp4a.40.5"),-1!==u.indexOf("android")&&(n="mp4a.40.2",t.logger.log("Android: force audio codec to"+n)),i.levelCodec=n}if(i=a.video,i&&(i.levelCodec=this.levels[this.level].videoCodec),l.unique){var s={codec:"",levelCodec:""};for(o in l.tracks)i=a[o],s.container=i.container,s.codec&&(s.codec+=",",s.levelCodec+=","),i.codec&&(s.codec+=i.codec),i.levelCodec&&(s.levelCodec+=i.levelCodec);a={audiovideo:s}}this.hls.trigger(r.default.BUFFER_CODECS,a);for(o in a){i=a[o],t.logger.log("track:"+o+",container:"+i.container+",codecs[level/parsed]=["+i.levelCodec+"/"+i.codec+"]");var d=i.initSegment;d&&(this.pendingAppending++,this.hls.trigger(r.default.BUFFER_APPENDING,{type:o,data:d}))}this.tick()}}},{key:"onFragParsingData",value:function(i){var o=this;if(this.state===e.PARSING){this.tparse2=Date.now();var a=this.levels[this.level],n=this.fragCurrent;t.logger.log("parsed "+i.type+",PTS:["+i.startPTS.toFixed(3)+","+i.endPTS.toFixed(3)+"],DTS:["+i.startDTS.toFixed(3)+"/"+i.endDTS.toFixed(3)+"],nb:"+i.nb);var l=u.default.updateFragPTSDTS(a.details,n.sn,i.startPTS,i.endPTS,i.startDTS,i.endDTS),s=this.hls;s.trigger(r.default.LEVEL_PTS_UPDATED,{details:a.details,level:this.level,drift:l}),[i.data1,i.data2].forEach(function(e){e&&(o.pendingAppending++,s.trigger(r.default.BUFFER_APPENDING,{type:i.type,data:e}))}),this.nextLoadPosition=i.endPTS,this.bufferRange.push({type:i.type,start:i.startPTS,end:i.endPTS,frag:n}),this.tick()}else t.logger.warn("not in PARSING state but "+this.state+", ignoring FRAG_PARSING_DATA event")}},{key:"onFragParsed",value:function(){this.state===e.PARSING&&(this.stats.tparsed=performance.now(),this.state=e.PARSED,this._checkAppendedParsed())}},{key:"onBufferAppended",value:function(){switch(this.state){case e.PARSING:case e.PARSED:this.pendingAppending--,this._checkAppendedParsed()}}},{key:"_checkAppendedParsed",value:function(){if(this.state===e.PARSED&&0===this.pendingAppending){var a=this.fragCurrent,i=this.stats;a&&(this.fragPrevious=a,i.tbuffered=performance.now(),this.fragLastKbps=Math.round(8*i.length/(i.tbuffered-i.tfirst)),this.hls.trigger(r.default.FRAG_BUFFERED,{stats:i,frag:a}),t.logger.log("media buffered : "+this.timeRangesToString(this.media.buffered)),this.state=e.IDLE),this.tick()}}},{key:"onError",value:function(a){switch(a.details){case i.ErrorDetails.FRAG_LOAD_ERROR:case i.ErrorDetails.FRAG_LOAD_TIMEOUT:if(!a.fatal){var n=this.fragLoadError;if(n?n++:n=1,n<=this.config.fragLoadingMaxRetry){this.fragLoadError=n,a.frag.loadCounter=0;var s=Math.min(Math.pow(2,n-1)*this.config.fragLoadingRetryDelay,64e3);t.logger.warn("mediaController: frag loading failed, retry in "+s+" ms"),this.retryDate=performance.now()+s,this.state=e.FRAG_LOADING_WAITING_RETRY}else t.logger.error("mediaController: "+a.details+" reaches max retry, redispatch as fatal ..."),a.fatal=!0,this.hls.trigger(r.default.ERROR,a),this.state=e.ERROR}break;case i.ErrorDetails.FRAG_LOOP_LOADING_ERROR:case i.ErrorDetails.LEVEL_LOAD_ERROR:case i.ErrorDetails.LEVEL_LOAD_TIMEOUT:case i.ErrorDetails.KEY_LOAD_ERROR:case i.ErrorDetails.KEY_LOAD_TIMEOUT:this.state!==e.ERROR&&(this.state=a.fatal?e.ERROR:e.IDLE,t.logger.warn("mediaController: "+a.details+" while loading frag,switch to "+this.state+" state ..."));break;case i.ErrorDetails.BUFFER_FULL_ERROR:this.config.maxMaxBufferLength/=2,t.logger.warn("reduce max buffer length to "+this.config.maxMaxBufferLength+"s and trigger a nextLevelSwitch to flush old buffer and fix QuotaExceededError"),this.nextLevelSwitch()}}},{key:"_checkBuffer",value:function(){var e=this.media;if(e){var g=e.readyState;if(g){var a,n,d=this.seekAfterBuffered;if(d)e.duration>=d&&(a=d,this.seekAfterBuffered=void 0);else{n=e.currentTime;var p=this.loadedmetadata;!p&&e.buffered.length&&(this.loadedmetadata=!0,n||n===this.startPosition||(a=this.startPosition))}a&&(n=a,t.logger.log("target seek position:"+a));var l=s.default.bufferInfo(e,n,0),m=!(e.paused||e.ended||0===e.buffered.length),f=.4,h=n>e.playbackRate*this.lastCurrentTime;if(this.stalled&&h&&(this.stalled=!1,t.logger.log("playback not stuck anymore @"+n)),m&&l.len<=f){if(h?(f=0,this.seekHoleNudgeDuration=0):this.stalled?this.seekHoleNudgeDuration+=this.config.seekHoleNudgeDuration:(this.seekHoleNudgeDuration=0,t.logger.log("playback seems stuck @"+n),this.hls.trigger(r.default.ERROR,{type:i.ErrorTypes.MEDIA_ERROR,details:i.ErrorDetails.BUFFER_STALLED_ERROR,fatal:!1}),this.stalled=!0),l.len<=f){var o=l.nextStart,c=o-n;if(o&&c0){t.logger.log("adjust currentTime from "+e.currentTime+" to next buffered @ "+o+" + nudge "+this.seekHoleNudgeDuration);var y=o+this.seekHoleNudgeDuration-e.currentTime;e.currentTime=o+this.seekHoleNudgeDuration,this.hls.trigger(r.default.ERROR,{type:i.ErrorTypes.MEDIA_ERROR,details:i.ErrorDetails.BUFFER_SEEK_OVER_HOLE,fatal:!1,hole:y})}}}else{var v=e.currentTime;if(a&&v!==a){if(0===l.len){var u=l.nextStart;void 0!==u&&u-ae;e++)r+="["+t.start(e)+","+t.end(e)+"]";return r}},{key:"currentLevel",get:function(){if(this.media){var e=this.getBufferRange(this.media.currentTime);if(e)return e.frag.level}return-1}},{key:"nextBufferRange",get:function(){return this.media?this.followingBufferRange(this.getBufferRange(this.media.currentTime)):null}},{key:"nextLevel",get:function(){var e=this.nextBufferRange;return e?e.frag.level:-1}}]),a}(l.default);o.default=f},{"../demux/demuxer":17,"../errors":21,"../event-handler":22,"../events":23,"../helper/buffer-helper":24,"../helper/level-helper":25,"../utils/binary-search":35,"../utils/logger":38}],9:[function(t,v,i){"use strict";function r(e){return e&&e.__esModule?e:{default:e}}function f(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function n(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function s(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}Object.defineProperty(i,"__esModule",{value:!0});var c=function(){function e(i,r){for(var t=0;te;e++)c[(a[e]=e<<1^283*(e>>7))^e]=e;for(i=r=0;!h[i];i^=u||1,r=c[r]||1)for(t=r^r<<1^r<<2^r<<3^r<<4,t=t>>8^255&t^99,h[i]=t,v[t]=i,d=a[f=a[u=a[i]]],l=16843009*d^65537*f^257*u^16843008*i,s=257*a[t]^16843008*t,e=0;4>e;e++)n[e][i]=s=s<<24^s>>>8,o[e][t]=l=l<<24^l>>>8;for(e=0;5>e;e++)n[e]=n[e].slice(0),o[e]=o[e].slice(0)}},{key:"decrypt",value:function(R,p,_,b,E,m){var h,g,v,n,e=this._key[1],t=R^e[0],i=b^e[1],a=_^e[2],r=p^e[3],y=e.length/4-2,s=4,o=this._tables[1],f=o[0],d=o[1],u=o[2],l=o[3],c=o[4];for(n=0;y>n;n++)h=f[t>>>24]^d[i>>16&255]^u[a>>8&255]^l[255&r]^e[s],g=f[i>>>24]^d[a>>16&255]^u[r>>8&255]^l[255&t]^e[s+1],v=f[a>>>24]^d[r>>16&255]^u[t>>8&255]^l[255&i]^e[s+2],r=f[r>>>24]^d[t>>16&255]^u[i>>8&255]^l[255&a]^e[s+3],s+=4,t=h,i=g,a=v;for(n=0;4>n;n++)E[(3&-n)+m]=c[t>>>24]<<24^c[i>>16&255]<<16^c[a>>8&255]<<8^c[255&r]^e[s++],h=t,t=i,i=a,a=r,r=h}}]),e}();e.default=i},{}],11:[function(t,l,e){"use strict";function r(e){return e&&e.__esModule?e:{default:e}}function i(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(e,"__esModule",{value:!0});var a=function(){function e(i,r){for(var t=0;t>8|e>>>24}},{key:"doDecrypt",value:function(i,g,a){var u,h,o,f,l,c,d,n,e,r=new Int32Array(i.buffer,i.byteOffset,i.byteLength>>2),p=new s.default(Array.prototype.slice.call(g)),v=new Uint8Array(i.byteLength),t=new Int32Array(v.buffer);for(u=~~a[0],h=~~a[1],o=~~a[2],f=~~a[3],e=0;ee&&(255!==t[e]||240!==(240&t[e+1]));e++);for(r.audiosamplerate||(a=o.default.getAudioConfig(this.observer,t,e,p),r.config=a.config,r.audiosamplerate=a.samplerate,r.channelCount=a.channelCount,r.codec=a.codec,r.duration=y,l.logger.log("parsed codec:"+r.codec+",rate:"+a.samplerate+",nb channel:"+a.channelCount)),c=0,g=9216e4/r.audiosamplerate;u>e+5&&(s=1&t[e+1]?7:9,n=(3&t[e+3])<<11|t[e+4]<<3|(224&t[e+5])>>>5,n-=s,n>0&&u>=e+s+n);)for(f=h+c*g,v={unit:t.subarray(e+s,e+s+n),pts:f,dts:f},r.samples.push(v),r.len+=n,e+=n+s,c++;u-1>e&&(255!==t[e]||240!==(240&t[e+1]));e++);this.remuxer.remux(this._aacTrack,{samples:[]},{samples:[{pts:h,dts:h,unit:d.payload}]},{samples:[]},m)}},{key:"destroy",value:function(){}}],[{key:"probe",value:function(t){var e,r,a=new i.default(t);if(a.hasTimeStamp)for(e=a.length,r=t.length;r-1>e;e++)if(255===t[e]&&240===(240&t[e+1]))return!0;return!1}}]),e}();t.default=s},{"../demux/id3":19,"../utils/logger":38,"./adts":14}],14:[function(e,o,t){"use strict";function i(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(t,"__esModule",{value:!0});var a=function(){function e(i,r){for(var t=0;t>>6)+1,e=(60&u[l+2])>>>2,e>d.length-1?void h.trigger(Event.ERROR,{type:r.ErrorTypes.MEDIA_ERROR,details:r.ErrorDetails.FRAG_PARSING_ERROR,fatal:!0,reason:"invalid ADTS sampling index:"+e}):(o=(1&u[l+2])<<2,o|=(192&u[l+3])>>>6,n.logger.log("manifest codec:"+a+",ADTS data:type:"+i+",sampleingIndex:"+e+"["+d[e]+"Hz],channelConfig:"+o),-1!==f.indexOf("firefox")?e>=6?(i=5,t=new Array(4),s=e-3):(i=2,t=new Array(2),s=e):-1!==f.indexOf("android")?(i=2,t=new Array(2),s=e):(i=5,t=new Array(4),a&&(-1!==a.indexOf("mp4a.40.29")||-1!==a.indexOf("mp4a.40.5"))||!a&&e>=6?s=e-3:((a&&-1!==a.indexOf("mp4a.40.2")&&e>=6&&1===o||!a&&1===o)&&(i=2,t=new Array(2)),s=e)),t[0]=i<<3,t[0]|=(14&e)>>1,t[1]|=(1&e)<<7,t[1]|=o<<3,5===i&&(t[1]|=(14&s)>>1,t[2]=(1&s)<<7,t[2]|=8,t[3]=0),{config:t,samplerate:d[e],channelCount:o,codec:"mp4a.40."+i})}}]),e}();t.default=s},{"../errors":21,"../utils/logger":38}],15:[function(e,y,i){"use strict";function t(e){return e&&e.__esModule?e:{default:e}}function d(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var h=function(){function e(i,r){for(var t=0;t1?r-1:0),e=1;r>e;e++)a[e-1]=arguments[e];t.emit.apply(t,[i,i].concat(a))},t.off=function(a){for(var r=arguments.length,i=Array(r>1?r-1:0),e=1;r>e;e++)i[e-1]=arguments[e];t.removeListener.apply(t,[a].concat(i))},r.addEventListener("message",function(i){var e=i.data;switch(e.cmd){case"init":r.demuxer=new u.default(t,e.typeSupported);break;case"demux":r.demuxer.push(new Uint8Array(e.data),e.audioCodec,e.videoCodec,e.timeOffset,e.cc,e.level,e.sn,e.duration)}}),t.on(e.default.FRAG_PARSING_INIT_SEGMENT,function(t,e){r.postMessage({event:t,tracks:e.tracks,unique:e.unique})}),t.on(e.default.FRAG_PARSING_DATA,function(i,e){var t={event:i,type:e.type,startPTS:e.startPTS,endPTS:e.endPTS,startDTS:e.startDTS,endDTS:e.endDTS,data1:e.data1.buffer,data2:e.data2.buffer,nb:e.nb};r.postMessage(t,[t.data1,t.data2])}),t.on(e.default.FRAG_PARSED,function(e){r.postMessage({event:e})}),t.on(e.default.ERROR,function(e,t){r.postMessage({event:e,data:t})}),t.on(e.default.FRAG_PARSING_METADATA,function(e,t){var i={event:e,samples:t.samples};r.postMessage(i)}),t.on(e.default.FRAG_PARSING_USERDATA,function(e,t){var i={event:e,samples:t.samples};r.postMessage(i)})};i.default=o},{"../demux/demuxer-inline":15,"../events":23,events:1}],17:[function(t,g,i){"use strict";function r(e){return e&&e.__esModule?e:{default:e}}function u(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var h=function(){function e(i,r){for(var t=0;t0&&null!=e&&null!=e.key&&"AES-128"===e.method){null==this.decrypter&&(this.decrypter=new l.default(this.hls));var d=this;this.decrypter.decrypt(t,e.key,e.iv,function(e){d.pushDecrypted(e,r,i,a,n,s,o,u)})}else this.pushDecrypted(t,r,i,a,n,s,o,u)}},{key:"onWorkerMessage",value:function(i){var t=i.data;switch(t.event){case e.default.FRAG_PARSING_INIT_SEGMENT:var r={};r.tracks=t.tracks,r.unique=t.unique,this.hls.trigger(e.default.FRAG_PARSING_INIT_SEGMENT,r);break;case e.default.FRAG_PARSING_DATA:this.hls.trigger(e.default.FRAG_PARSING_DATA,{data1:new Uint8Array(t.data1),data2:new Uint8Array(t.data2),startPTS:t.startPTS,endPTS:t.endPTS,startDTS:t.startDTS,endDTS:t.endDTS,type:t.type,nb:t.nb});break;case e.default.FRAG_PARSING_METADATA:this.hls.trigger(e.default.FRAG_PARSING_METADATA,{samples:t.samples});break;case e.default.FRAG_PARSING_USERDATA:this.hls.trigger(e.default.FRAG_PARSING_USERDATA,{samples:t.samples});break;default:this.hls.trigger(t.event,t.data)}}}]),r}();i.default=o},{"../crypt/decrypter":12,"../demux/demuxer-inline":15,"../demux/demuxer-worker":16,"../events":23,"../utils/logger":38,webworkify:2}],18:[function(t,s,e){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(e,"__esModule",{value:!0});var i=function(){function e(i,r){for(var t=0;te?(this.word<<=e,this.bitsAvailable-=e):(e-=this.bitsAvailable,t=e>>3,e-=t>>3,this.bytesAvailable-=t,this.loadWord(),this.word<<=e,this.bitsAvailable-=e)}},{key:"readBits",value:function(t){var e=Math.min(this.bitsAvailable,t),r=this.word>>>32-e;return t>32&&a.logger.error("Cannot read more than 32 bits at a time"),this.bitsAvailable-=e,this.bitsAvailable>0?this.word<<=e:this.bytesAvailable>0&&this.loadWord(),e=t-e,e>0?r<>>e))return this.word<<=e,this.bitsAvailable-=e,e;return this.loadWord(),e+this.skipLZ()}},{key:"skipUEG",value:function(){this.skipBits(1+this.skipLZ())}},{key:"skipEG",value:function(){this.skipBits(1+this.skipLZ())}},{key:"readUEG",value:function(){var e=this.skipLZ();return this.readBits(e+1)-1}},{key:"readEG",value:function(){var e=this.readUEG();return 1&e?1+e>>>1:-1*(e>>>1)}},{key:"readBoolean",value:function(){return 1===this.readBits(1)}},{key:"readUByte",value:function(){return this.readBits(8)}},{key:"readUShort",value:function(){return this.readBits(16)}},{key:"readUInt",value:function(){return this.readBits(32)}},{key:"skipScalingList",value:function(a){var t,i,r=8,e=8;for(t=0;a>t;t++)0!==e&&(i=this.readEG(),e=(r+i+256)%256),r=0===e?r:e}},{key:"readSPS",value:function(){var t,g,p,l,a,n,i,o,r,s=0,d=0,f=0,h=0,c=1;if(this.readUByte(),t=this.readUByte(),g=this.readBits(5),this.skipBits(3),p=this.readUByte(),this.skipUEG(),100===t||110===t||122===t||244===t||44===t||83===t||86===t||118===t||128===t){var v=this.readUEG();if(3===v&&this.skipBits(1),this.skipUEG(),this.skipUEG(),this.skipBits(1),this.readBoolean())for(o=3!==v?8:12,r=0;o>r;r++)this.readBoolean()&&(6>r?this.skipScalingList(16):this.skipScalingList(64))}this.skipUEG();var u=this.readUEG();if(0===u)this.readUEG();else if(1===u)for(this.skipBits(1),this.skipEG(),this.skipEG(),l=this.readUEG(),r=0;l>r;r++)this.skipEG();if(this.skipUEG(),this.skipBits(1),a=this.readUEG(),n=this.readUEG(),i=this.readBits(1),0===i&&this.skipBits(1),this.skipBits(1),this.readBoolean()&&(s=this.readUEG(),d=this.readUEG(),f=this.readUEG(),h=this.readUEG()),this.readBoolean()&&this.readBoolean()){var e=void 0,y=this.readUByte();switch(y){case 1:e=[1,1];break;case 2:e=[12,11];break;case 3:e=[10,11];break;case 4:e=[16,11];break;case 5:e=[40,33];break;case 6:e=[24,11];break;case 7:e=[20,11];break;case 8:e=[32,11];break;case 9:e=[80,33];break;case 10:e=[18,11];break;case 11:e=[15,11];break;case 12:e=[64,33];break;case 13:e=[160,99];break;case 14:e=[4,3];break;case 15:e=[3,2];break;case 16:e=[2,1];break;case 255:e=[this.readUByte()<<8|this.readUByte(),this.readUByte()<<8|this.readUByte()]}e&&(c=e[0]/e[1])}return{width:Math.ceil((16*(a+1)-2*s-2*d)*c),height:(2-i)*(n+1)*16-(i?2:4)*(f+h)}}},{key:"readSliceType",value:function(){return this.readUByte(),this.readUEG(),this.readUEG()}}]),e}();e.default=n},{"../utils/logger":38}],19:[function(r,s,t){"use strict";function i(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(t,"__esModule",{value:!0});var a=function(){function e(i,r){for(var t=0;tr);return t}},{key:"_parseID3Frames",value:function(r,t,n){for(var a,s,o,l,i;n>=t+8;)switch(a=this.readUTF(r,t,4),t+=4,s=r[t++]<<24+r[t++]<<16+r[t++]<<8+r[t++],l=r[t++]<<8+r[t++],o=t,a){case"PRIV":if("com.apple.streaming.transportStreamTimestamp"===this.readUTF(r,t,44)){t+=44,t+=4;var u=1&r[t++];this._hasTimeStamp=!0,i=((r[t++]<<23)+(r[t++]<<15)+(r[t++]<<7)+r[t++])/45,u&&(i+=47721858.84),i=Math.round(i),e.logger.trace("ID3 timestamp found: "+i),this._timeStamp=i}}}},{key:"hasTimeStamp",get:function(){return this._hasTimeStamp}},{key:"timeStamp",get:function(){return this._timeStamp}},{key:"length",get:function(){return this._length}},{key:"payload",get:function(){return this._payload}}]),t}();t.default=n},{"../utils/logger":38}],20:[function(t,v,a){"use strict";function i(e){return e&&e.__esModule?e:{default:e}}function u(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(a,"__esModule",{value:!0});var f=function(){function e(i,r){for(var t=0;tt;t+=188)if(71===i[t]){if(d=!!(64&i[t+1]),u=((31&i[t+1])<<8)+i[t+2],y=(48&i[t+3])>>4,y>1){if(a=t+5+i[t+4],a===t+188)continue}else a=t+4;if(g)if(u===h){if(d){if(s&&(this._parseAVCPES(this._parsePES(s)),b&&this._avcTrack.codec&&(-1===f||this._aacTrack.codec)))return void this.remux(i);s={data:[],size:0}}s&&(s.data.push(i.subarray(a,t+188)),s.size+=t+188-a)}else if(u===f){if(d){if(o&&(this._parseAACPES(this._parsePES(o)),b&&this._aacTrack.codec&&(-1===h||this._avcTrack.codec)))return void this.remux(i);o={data:[],size:0}}o&&(o.data.push(i.subarray(a,t+188)),o.size+=t+188-a)}else u===_&&(d&&(l&&this._parseID3PES(this._parsePES(l)),l={data:[],size:0}),l&&(l.data.push(i.subarray(a,t+188)),l.size+=t+188-a));else d&&(a+=i[a]+1),0===u?this._parsePAT(i,a):u===this._pmtId?(this._parsePMT(i,a),g=this.pmtParsed=!0,h=this._avcTrack.id,f=this._aacTrack.id,_=this._id3Track.id,v&&(e.logger.log("reparse from beginning"),v=!1,t=-188)):(e.logger.log("unknown PID found before PAT/PMT"),v=!0)}else this.observer.trigger(n.default.ERROR,{type:r.ErrorTypes.MEDIA_ERROR,details:r.ErrorDetails.FRAG_PARSING_ERROR,fatal:!1,reason:"TS packet did not start with 0x47"});s&&this._parseAVCPES(this._parsePES(s)),o&&this._parseAACPES(this._parsePES(o)),l&&this._parseID3PES(this._parsePES(l)),this.remux(null)}},{key:"remux",value:function(e){this.remuxer.remux(this._aacTrack,this._avcTrack,this._id3Track,this._txtTrack,this.timeOffset,this.contiguous,e)}},{key:"destroy",value:function(){this.switchLevel(),this._initPTS=this._initDTS=void 0,this._duration=0}},{key:"_parsePAT",value:function(e,t){this._pmtId=(31&e[t+10])<<8|e[t+11]}},{key:"_parsePMT",value:function(r,t){var a,n,s,i;for(a=(15&r[t+1])<<8|r[t+2],n=t+3+a-4,s=(15&r[t+10])<<8|r[t+11],t+=12+s;n>t;){switch(i=(31&r[t+1])<<8|r[t+2],r[t]){case 15:this._aacTrack.id=i;break;case 21:this._id3Track.id=i;break;case 27:this._avcTrack.id=i;break;default:e.logger.log("unkown stream type:"+r[t])}t+=((15&r[t+3])<<8|r[t+4])+5}}},{key:"_parsePES",value:function(o){var e,n,h,d,u,l,i,r,t,f=0,s=o.data;if(e=s[0],h=(e[0]<<16)+(e[1]<<8)+e[2],1===h){for(d=(e[4]<<8)+e[5],n=e[7],192&n&&(i=536870912*(14&e[9])+4194304*(255&e[10])+16384*(254&e[11])+128*(255&e[12])+(254&e[13])/2,i>4294967295&&(i-=8589934592),64&n?(r=536870912*(14&e[14])+4194304*(255&e[15])+16384*(254&e[16])+128*(255&e[17])+(254&e[18])/2,r>4294967295&&(r-=8589934592)):r=i),u=e[8],t=u+9,o.size-=t,l=new Uint8Array(o.size);s.length;){e=s.shift();var a=e.byteLength;if(t){if(t>a){t-=a;continue}e=e.subarray(t),a-=t,t=0}l.set(e,f),f+=a}return{data:l,pts:i,dts:r,len:d}}return null}},{key:"_parseAVCPES",value:function(i){var t,m,n,o,y=this,r=this._avcTrack,u=r.samples,p=this._parseAVCNALu(i.data),d=[],l=!1,c=!1,f=0;if(0===p.length&&u.length>0){var v=u[u.length-1],h=v.units.units[v.units.units.length-1],g=new Uint8Array(h.data.byteLength+i.data.byteLength);g.set(h.data,0),g.set(i.data,h.data.byteLength),h.data=g,v.units.length+=i.data.byteLength,r.len+=i.data.byteLength}i.data=null;var a="",E=function(){d.length&&((c===!0||r.sps&&(u.length||this.contiguous))&&(m={units:{units:d,length:f},pts:i.pts,dts:i.dts,key:c},u.push(m),r.len+=f,r.nbNalu+=d.length),d=[],f=0)}.bind(this);p.forEach(function(e){switch(e.type){case 1:n=!0,l&&(a+="NDR ");break;case 5:n=!0,l&&(a+="IDR "),c=!0;break;case 6:n=!0,l&&(a+="SEI "),t=new s.default(e.data),t.readUByte();var b=t.readUByte();if(4===b){var g=0;do g=t.readUByte();while(255===g);var A=t.readUByte();if(181===A){var R=t.readUShort();if(49===R){var L=t.readUInt();if(1195456820===L){var T=t.readUByte();if(3===T){var v=t.readUByte(),_=t.readUByte(),S=31&v,h=[v,_];for(o=0;S>o;o++)h.push(t.readUByte()),h.push(t.readUByte()),h.push(t.readUByte());y._txtTrack.samples.push({type:3,pts:i.pts,bytes:h})}}}}}break;case 7:if(n=!0,l&&(a+="SPS "),!r.sps){t=new s.default(e.data);var p=t.readSPS();r.width=p.width,r.height=p.height,r.sps=[e.data],r.duration=y._duration;var k=e.data.subarray(1,4),m="avc1.";for(o=0;3>o;o++){var u=k[o].toString(16);u.length<2&&(u="0"+u),m+=u}r.codec=m}break;case 8:n=!0,l&&(a+="PPS "),r.pps||(r.pps=[e.data]);break;case 9:n=!1,l&&(a+="AUD "),E();break;default:n=!1,a+="unknown NAL "+e.type+" "}n&&(d.push(e),f+=e.data.byteLength)}),(l||a.length)&&e.logger.log(a),E()}},{key:"_parseAVCNALu",value:function(r){for(var s,i,l,_,n,d,t=0,g=r.byteLength,e=this.avcNaluState,v=[];g>t;)switch(s=r[t++],e){case 0:0===s&&(e=1);break;case 1:e=0===s?2:0;break;case 2:case 3:if(0===s)e=3;else if(1===s&&g>t){if(_=31&r[t],n)l={data:r.subarray(n,t-e-1),type:d},v.push(l);else{var a=this.avcNaluState;if(a&&4-a>=t){var m=this._avcTrack,c=m.samples;if(c.length){var p=c[c.length-1],R=p.units.units,u=R[R.length-1];u.state&&(u.data=u.data.subarray(0,u.data.byteLength-a),p.units.length-=a,m.len-=a)}}if(i=t-e-1,i>0){var y=this._avcTrack,h=y.samples;if(h.length){var E=h[h.length-1],b=E.units.units,o=b[b.length-1],f=new Uint8Array(o.data.byteLength+i);f.set(o.data,0),f.set(r.subarray(0,i),o.data.byteLength),o.data=f,E.units.length+=i,y.len+=i}}}n=t,d=_,e=0}else e=0}return n&&(l={data:r.subarray(n,g),type:d,state:e},v.push(l),this.avcNaluState=e),v}},{key:"_parseAACPES",value:function(R){var l,o,p,E,t,d,f,s,_,a=this._aacTrack,i=R.data,v=R.pts,k=0,L=this._duration,A=this.audioCodec,u=this.aacOverFlow,b=this.aacLastPTS;if(u){var m=new Uint8Array(u.byteLength+i.byteLength);m.set(u,0),m.set(i,u.byteLength),i=m}for(t=k,s=i.length;s-1>t&&(255!==i[t]||240!==(240&i[t+1]));t++);if(t){var y,h;if(s-1>t?(y="AAC PES did not start with ADTS header,offset:"+t,h=!1):(y="no ADTS header found in AAC PES",h=!0),this.observer.trigger(n.default.ERROR,{type:r.ErrorTypes.MEDIA_ERROR,details:r.ErrorDetails.FRAG_PARSING_ERROR,fatal:h,reason:y}),h)return}if(a.audiosamplerate||(l=c.default.getAudioConfig(this.observer,i,t,A),a.config=l.config,a.audiosamplerate=l.samplerate,a.channelCount=l.channelCount,a.codec=l.codec,a.duration=L,e.logger.log("parsed codec:"+a.codec+",rate:"+l.samplerate+",nb channel:"+l.channelCount)),E=0,p=9216e4/a.audiosamplerate,u&&b){var g=b+p;Math.abs(g-v)>1&&(e.logger.log("AAC: align PTS for overlapping frames by "+Math.round((g-v)/90)),v=g)}for(;s>t+5&&(d=1&i[t+1]?7:9,o=(3&i[t+3])<<11|i[t+4]<<3|(224&i[t+5])>>>5,o-=d,o>0&&s>=t+d+o);)for(f=v+E*p,_={unit:i.subarray(t+d,t+d+o),pts:f,dts:f},a.samples.push(_),a.len+=o,t+=o+d,E++;s-1>t&&(255!==i[t]||240!==(240&i[t+1]));t++);u=s>t?i.subarray(t,s):null,this.aacOverFlow=u,this.aacLastPTS=f}},{key:"_parseID3PES",value:function(e){this._id3Track.samples.push(e)}}],[{key:"probe",value:function(e){return e.length>=564&&71===e[0]&&71===e[188]&&71===e[376]}}]),t}();a.default=o},{"../errors":21,"../events":23,"../utils/logger":38,"./adts":14,"./exp-golomb":18}],21:[function(t,r,e){"use strict";Object.defineProperty(e,"__esModule",{value:!0});e.ErrorTypes={NETWORK_ERROR:"networkError",MEDIA_ERROR:"mediaError",OTHER_ERROR:"otherError"},e.ErrorDetails={MANIFEST_LOAD_ERROR:"manifestLoadError",MANIFEST_LOAD_TIMEOUT:"manifestLoadTimeOut",MANIFEST_PARSING_ERROR:"manifestParsingError",MANIFEST_INCOMPATIBLE_CODECS_ERROR:"manifestIncompatibleCodecsError",LEVEL_LOAD_ERROR:"levelLoadError",LEVEL_LOAD_TIMEOUT:"levelLoadTimeOut",LEVEL_SWITCH_ERROR:"levelSwitchError",FRAG_LOAD_ERROR:"fragLoadError",FRAG_LOOP_LOADING_ERROR:"fragLoopLoadingError",FRAG_LOAD_TIMEOUT:"fragLoadTimeOut",FRAG_DECRYPT_ERROR:"fragDecryptError",FRAG_PARSING_ERROR:"fragParsingError",KEY_LOAD_ERROR:"keyLoadError",KEY_LOAD_TIMEOUT:"keyLoadTimeOut",BUFFER_APPEND_ERROR:"bufferAppendError",BUFFER_APPENDING_ERROR:"bufferAppendingError",BUFFER_STALLED_ERROR:"bufferStalledError",BUFFER_FULL_ERROR:"bufferFullError",BUFFER_SEEK_OVER_HOLE:"bufferSeekOverHole",INTERNAL_EXCEPTION:"internalException"}},{}],22:[function(e,f,t){"use strict";function i(e){return e&&e.__esModule?e:{default:e}}function a(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(t,"__esModule",{value:!0});var n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol?"symbol":typeof e},d=function(){function e(i,r){for(var t=0;t1?r-1:0),t=1;r>t;t++)i[t-1]=arguments[t];this.handledEvents=i,this.useGenericHandler=!0,this.registerListeners()}return d(e,[{key:"destroy",value:function(){this.unregisterListeners()}},{key:"isEventHandler",value:function(){return"object"===n(this.handledEvents)&&this.handledEvents.length&&"function"==typeof this.onEvent}},{key:"registerListeners",value:function(){this.isEventHandler()&&this.handledEvents.forEach(function(e){if("hlsEventGeneric"===e)throw new Error("Forbidden event name: "+e);this.hls.on(e,this.onEvent)}.bind(this))}},{key:"unregisterListeners",value:function(){this.isEventHandler()&&this.handledEvents.forEach(function(e){this.hls.off(e,this.onEvent)}.bind(this))}},{key:"onEvent",value:function(e,t){this.onEventGeneric(e,t)}},{key:"onEventGeneric",value:function(e,t){var i=function(t,r){var e="on"+t.replace("hls","");if("function"!=typeof this[e])throw new Error("Event "+t+" has no generic handler in this "+this.constructor.name+" class (tried "+e+")");return this[e].bind(this,r)};try{i.call(this,e,t).call()}catch(t){o.logger.error("internal error happened while processing "+e+":"+t.message),this.hls.trigger(s.default.ERROR,{type:r.ErrorTypes.OTHER_ERROR,details:r.ErrorDetails.INTERNAL_EXCEPTION,fatal:!1,event:e,err:t})}}}]),e}();t.default=l},{"./errors":21,"./events":23,"./utils/logger":38}],23:[function(t,e,r){"use strict";e.exports={MEDIA_ATTACHING:"hlsMediaAttaching",MEDIA_ATTACHED:"hlsMediaAttached",MEDIA_DETACHING:"hlsMediaDetaching",MEDIA_DETACHED:"hlsMediaDetached",BUFFER_RESET:"hlsBufferReset",BUFFER_CODECS:"hlsBufferCodecs",BUFFER_APPENDING:"hlsBufferAppending",BUFFER_APPENDED:"hlsBufferAppended",BUFFER_EOS:"hlsBufferEos",BUFFER_FLUSHING:"hlsBufferFlushing",BUFFER_FLUSHED:"hlsBufferFlushed",MANIFEST_LOADING:"hlsManifestLoading",MANIFEST_LOADED:"hlsManifestLoaded",MANIFEST_PARSED:"hlsManifestParsed",LEVEL_LOADING:"hlsLevelLoading",LEVEL_LOADED:"hlsLevelLoaded",LEVEL_UPDATED:"hlsLevelUpdated",LEVEL_PTS_UPDATED:"hlsLevelPtsUpdated",LEVEL_SWITCH:"hlsLevelSwitch",FRAG_LOADING:"hlsFragLoading",FRAG_LOAD_PROGRESS:"hlsFragLoadProgress",FRAG_LOAD_EMERGENCY_ABORTED:"hlsFragLoadEmergencyAborted",FRAG_LOADED:"hlsFragLoaded",FRAG_PARSING_INIT_SEGMENT:"hlsFragParsingInitSegment",FRAG_PARSING_USERDATA:"hlsFragParsingUserdata",FRAG_PARSING_METADATA:"hlsFragParsingMetadata",FRAG_PARSING_DATA:"hlsFragParsingData",FRAG_PARSED:"hlsFragParsed",FRAG_BUFFERED:"hlsFragBuffered",FRAG_CHANGED:"hlsFragChanged",FPS_DROP:"hlsFpsDrop",ERROR:"hlsError",DESTROYING:"hlsDestroying",KEY_LOADING:"hlsKeyLoading",KEY_LOADED:"hlsKeyLoaded"}},{}],24:[function(a,n,e){"use strict";function t(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(e,"__esModule",{value:!0});var r=function(){function e(i,r){for(var t=0;td&&(t[u-1].end=r[e].end):t.push(r[e])}else t.push(r[e])}for(e=0,o=0,l=a=i;e=n&&f>i)l=n,a=f,o=a-i;else if(n>i+s){h=n;break}}return{len:o,start:l,end:a,nextStart:h}}}]),e}();e.default=i},{}],25:[function(r,s,t){"use strict";function i(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(t,"__esModule",{value:!0});var a=function(){function e(i,r){for(var t=0;th)return void(i.PTSKnown=!1);for(var r=c;h>=r;r++){var o=f[u+r],n=l[r];d=o.cc-n.cc,isNaN(o.startPTS)||(n.start=n.startPTS=o.startPTS,n.endPTS=o.endPTS,n.duration=o.duration,a=n)}if(d)for(e.logger.log("discontinuity sliding from playlist, take drift into account"),r=0;r=0&&ui.endSN)return 0;o=u-i.startSN,n=i.fragments,e=n[o],isNaN(e.startPTS)||(a=Math.min(a,e.startPTS),s=Math.max(s,e.endPTS),l=Math.min(l,e.startDTS),d=Math.max(d,e.endDTS));var f=a-e.start;for(e.start=e.startPTS=a,e.endPTS=s,e.startDTS=l,e.endDTS=d,e.duration=s-a,r=o;r>0;r--)t.updatePTS(n,r,r-1);for(r=o;ri?r.start=t.start+t.duration:r.start=t.start-r.duration:a>i?(t.duration=n-t.start,t.duration<0&&e.logger.error("negative duration computed for frag "+t.sn+",level "+t.level+", there should be some duration drift between playlist and fragment!")):(r.duration=t.start-n,r.duration<0&&e.logger.error("negative duration computed for frag "+r.sn+",level "+r.level+", there should be some duration drift between playlist and fragment!"))}}]),t}();t.default=n},{"../utils/logger":38}],26:[function(t,I,a){"use strict";function r(e){return e&&e.__esModule?e:{default:e}}function o(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(a,"__esModule",{value:!0});var n=function(){function e(i,r){for(var t=0;t1?t-1:0),e=1;t>e;e++)a[e-1]=arguments[e];i.emit.apply(i,[r,r].concat(a))},i.off=function(a){for(var t=arguments.length,r=Array(t>1?t-1:0),e=1;t>e;e++)r[e-1]=arguments[e];i.removeListener.apply(i,[a].concat(r))},this.on=i.on.bind(i),this.off=i.off.bind(i),this.trigger=i.trigger.bind(i),this.playlistLoader=new d.default(this),this.fragmentLoader=new h.default(this),this.levelController=new R.default(this),this.abrController=new r.abrController(this),this.bufferController=new r.bufferController(this),this.capLevelController=new r.capLevelController(this),this.streamController=new r.streamController(this),this.timelineController=new r.timelineController(this),this.keyLoader=new p.default(this)}return n(t,null,[{key:"isSupported",value:function(){return window.MediaSource&&window.MediaSource.isTypeSupported('video/mp4; codecs="avc1.42E01E,mp4a.40.2"')}},{key:"Events",get:function(){return i.default}},{key:"ErrorTypes",get:function(){return s.ErrorTypes}},{key:"ErrorDetails",get:function(){return s.ErrorDetails}},{key:"DefaultConfig",get:function(){return t.defaultConfig||(t.defaultConfig={autoStartLoad:!0,debug:!1,capLevelToPlayerSize:!1,maxBufferLength:30,maxBufferSize:6e7,maxBufferHole:.5,maxSeekHole:2,seekHoleNudgeDuration:.01,stalledInBufferedNudgeThreshold:10,maxFragLookUpTolerance:.2,liveSyncDurationCount:3,liveMaxLatencyDurationCount:1/0,liveSyncDuration:void 0,liveMaxLatencyDuration:void 0,maxMaxBufferLength:600,enableWorker:!0,enableSoftwareAES:!0,manifestLoadingTimeOut:1e4,manifestLoadingMaxRetry:1,manifestLoadingRetryDelay:1e3,levelLoadingTimeOut:1e4,levelLoadingMaxRetry:4,levelLoadingRetryDelay:1e3,fragLoadingTimeOut:2e4,fragLoadingMaxRetry:6,fragLoadingRetryDelay:1e3,fragLoadingLoopThreshold:3,startFragPrefetch:!1,appendErrorMaxRetry:3,loader:S.default,fLoader:void 0,pLoader:void 0,abrController:v.default,bufferController:P.default,capLevelController:m.default,streamController:b.default,timelineController:L.default,enableCEA708Captions:!0,enableMP2TPassThrough:!1,abrEwmaFast:0,abrEwmaSlow:0,abrBandWidthFactor:.8,abrBandWidthUpFactor:.7}),t.defaultConfig},set:function(e){t.defaultConfig=e}}]),n(t,[{key:"destroy",value:function(){e.logger.log("destroy"),this.trigger(i.default.DESTROYING),this.detachMedia(),this.playlistLoader.destroy(),this.fragmentLoader.destroy(),this.levelController.destroy(),this.abrController.destroy(),this.bufferController.destroy(),this.capLevelController.destroy(),this.streamController.destroy(),this.timelineController.destroy(),this.keyLoader.destroy(),this.url=null,this.observer.removeAllListeners()}},{key:"attachMedia",value:function(t){e.logger.log("attachMedia"),this.media=t,this.trigger(i.default.MEDIA_ATTACHING,{media:t})}},{key:"detachMedia",value:function(){e.logger.log("detachMedia"),this.trigger(i.default.MEDIA_DETACHING),this.media=null}},{key:"loadSource",value:function(t){e.logger.log("loadSource:"+t),this.url=t,this.trigger(i.default.MANIFEST_LOADING,{url:t})}},{key:"startLoad",value:function(){var t=arguments.length<=0||void 0===arguments[0]?0:arguments[0];e.logger.log("startLoad"),this.levelController.startLoad(),this.streamController.startLoad(t)}},{key:"stopLoad",value:function(){e.logger.log("stopLoad"),this.levelController.stopLoad(),this.streamController.stopLoad()}},{key:"swapAudioCodec",value:function(){e.logger.log("swapAudioCodec"),this.streamController.swapAudioCodec()}},{key:"recoverMediaError",value:function(){e.logger.log("recoverMediaError");var t=this.media;this.detachMedia(),this.attachMedia(t)}},{key:"levels",get:function(){return this.levelController.levels}},{key:"currentLevel",get:function(){return this.streamController.currentLevel},set:function(t){e.logger.log("set currentLevel:"+t),this.loadLevel=t,this.streamController.immediateLevelSwitch()}},{key:"nextLevel",get:function(){return this.streamController.nextLevel},set:function(t){e.logger.log("set nextLevel:"+t),this.levelController.manualLevel=t,this.streamController.nextLevelSwitch()}},{key:"loadLevel",get:function(){return this.levelController.level},set:function(t){e.logger.log("set loadLevel:"+t),this.levelController.manualLevel=t}},{key:"nextLoadLevel",get:function(){return this.levelController.nextLoadLevel},set:function(e){this.levelController.nextLoadLevel=e}},{key:"firstLevel",get:function(){return this.levelController.firstLevel},set:function(t){e.logger.log("set firstLevel:"+t),this.levelController.firstLevel=t}},{key:"startLevel",get:function(){return this.levelController.startLevel},set:function(t){e.logger.log("set startLevel:"+t),this.levelController.startLevel=t}},{key:"autoLevelCapping",get:function(){return this.abrController.autoLevelCapping},set:function(t){e.logger.log("set autoLevelCapping:"+t),this.abrController.autoLevelCapping=t}},{key:"autoLevelEnabled",get:function(){return-1===this.levelController.manualLevel}},{key:"manualLevel",get:function(){return this.levelController.manualLevel}}]),t}();a.default=l},{"./controller/abr-controller":3,"./controller/buffer-controller":4,"./controller/cap-level-controller":5,"./controller/level-controller":7,"./controller/stream-controller":8,"./controller/timeline-controller":9,"./errors":21,"./events":23,"./loader/fragment-loader":28,"./loader/key-loader":29,"./loader/playlist-loader":30,"./utils/logger":38,"./utils/xhr-loader":40,events:1}],27:[function(e,t,r){"use strict";t.exports=e("./hls.js").default},{"./hls.js":26}],28:[function(r,c,i){"use strict";function a(e){return e&&e.__esModule?e:{default:e}}function u(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function f(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function s(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}Object.defineProperty(i,"__esModule",{value:!0});var h=function(){function e(i,r){for(var t=0;t2?(e=t.shift()+".",e+=parseInt(t.shift()).toString(16),e+=("000"+parseInt(t.shift()).toString(16)).substr(-4)):e=r,e}},{key:"cloneObj",value:function(e){return JSON.parse(JSON.stringify(e))}},{key:"parseLevelPlaylist",value:function(L,s,A){var e,b,u,n,v=0,o=0,i={url:s,fragments:[],live:!0,startSN:0},r={method:null,key:null,iv:null,uri:null},y=0,d=null,t=null;for(b=/(?:#EXT-X-(MEDIA-SEQUENCE):(\d+))|(?:#EXT-X-(TARGETDURATION):(\d+))|(?:#EXT-X-(KEY):(.*))|(?:#EXT(INF):([\d\.]+)[^\r\n]*([\r\n]+[^#|\r\n]+)?)|(?:#EXT-X-(BYTERANGE):([\d]+[@[\d]*)]*[\r\n]+([^#|\r\n]+)?|(?:#EXT-X-(ENDLIST))|(?:#EXT-X-(DIS)CONTINUITY))|(?:#EXT-X-(PROGRAM-DATE-TIME):(.*)[\r\n]+([^#|\r\n]+)?)/g;null!==(e=b.exec(L));)switch(e.shift(),e=e.filter(function(e){return void 0!==e}),e[0]){case"MEDIA-SEQUENCE":v=i.startSN=parseInt(e[1]);break;case"TARGETDURATION":i.targetduration=parseFloat(e[1]);break;case"ENDLIST":i.live=!1;break;case"DIS":y++;break;case"BYTERANGE":var h=e[1].split("@");n=1===h.length?u:parseInt(h[1]),u=parseInt(h[0])+n,t&&!t.url&&(t.byteRangeStartOffset=n,t.byteRangeEndOffset=u,t.url=this.resolve(e[2],s));break;case"INF":var c=parseFloat(e[1]);if(!isNaN(c)){var f,m=v++;if(r.method&&r.uri&&!r.iv){f=this.cloneObj(r);for(var E=new Uint8Array(16),l=12;16>l;l++)E[l]=m>>8*(15-l)&255;f.iv=E}else f=r;var k=e[2]?this.resolve(e[2],s):null;t={url:k,duration:c,start:o,sn:m,level:A,cc:y,byteRangeStartOffset:n,byteRangeEndOffset:u,decryptdata:f,programDateTime:d},i.fragments.push(t),o+=c,n=null,d=null}break;case"KEY":var R=e[1],g=new a.default(R),p=g.enumeratedString("METHOD"),_=g.URI,T=g.hexadecimalInteger("IV");p&&(r={method:null,key:null,iv:null,uri:null},_&&"AES-128"===p&&(r.method=p,r.uri=this.resolve(_,s),r.key=null,r.iv=T));break;case"PROGRAM-DATE-TIME":d=new Date(Date.parse(e[1])),t&&!t.url&&e.length>=3&&(t.url=this.resolve(e[2],s),t.programDateTime=d)}return t&&!t.url&&(i.fragments.pop(),o-=t.duration),i.totalduration=o,i.endSN=v-1,i}},{key:"loadsuccess",value:function(u,i){var s,o=u.currentTarget,n=o.responseText,r=o.responseURL,l=this.id,d=this.id2,a=this.hls;if(this.loading=!1,void 0===r&&(r=this.url),i.tload=performance.now(),i.mtime=new Date(o.getResponseHeader("Last-Modified")),0===n.indexOf("#EXTM3U"))if(n.indexOf("#EXTINF:")>0)if(null===this.id)a.trigger(t.default.MANIFEST_LOADED,{levels:[{url:r}],url:r,stats:i});else{var f=this.parseLevelPlaylist(n,r,l);i.tparsed=performance.now(),a.trigger(t.default.LEVEL_LOADED,{details:f,level:l,id:d,stats:i})}else s=this.parseMasterPlaylist(n,r),s.length?a.trigger(t.default.MANIFEST_LOADED,{levels:s,url:r,stats:i}):a.trigger(t.default.ERROR,{type:e.ErrorTypes.NETWORK_ERROR,details:e.ErrorDetails.MANIFEST_PARSING_ERROR,fatal:!0,url:r,reason:"no level found in manifest"});else a.trigger(t.default.ERROR,{type:e.ErrorTypes.NETWORK_ERROR,details:e.ErrorDetails.MANIFEST_PARSING_ERROR,fatal:!0,url:r,reason:"no EXTM3U delimiter"})}},{key:"loaderror",value:function(a){var r,i;null===this.id?(r=e.ErrorDetails.MANIFEST_LOAD_ERROR,i=!0):(r=e.ErrorDetails.LEVEL_LOAD_ERROR,i=!1),this.loader&&this.loader.abort(),this.loading=!1,this.hls.trigger(t.default.ERROR,{type:e.ErrorTypes.NETWORK_ERROR,details:r,fatal:i,url:this.url,loader:this.loader,response:a.currentTarget,level:this.id,id:this.id2})}},{key:"loadtimeout",value:function(){var r,i;null===this.id?(r=e.ErrorDetails.MANIFEST_LOAD_TIMEOUT,i=!0):(r=e.ErrorDetails.LEVEL_LOAD_TIMEOUT,i=!1),this.loader&&this.loader.abort(),this.loading=!1,this.hls.trigger(t.default.ERROR,{type:e.ErrorTypes.NETWORK_ERROR,details:r,fatal:i,url:this.url,loader:this.loader,level:this.id,id:this.id2})}}]),r}(n.default);s.default=u},{"../errors":21,"../event-handler":22,"../events":23,"../utils/attr-list":34,"../utils/url":39}],31:[function(a,n,e){"use strict";function t(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(e,"__esModule",{value:!0});var r=function(){function e(i,r){for(var t=0;t>24&255,t[1]=e>>16&255,t[2]=e>>8&255,t[3]=255&e,t.set(a,4),r=0,e=8;n>r;r++)t.set(i[r],e),e+=i[r].byteLength;return t}},{key:"hdlr",value:function(t){return e.box(e.types.hdlr,e.HDLR_TYPES[t])}},{key:"mdat",value:function(t){return e.box(e.types.mdat,t)}},{key:"mdhd",value:function(t,r){return r*=t,e.box(e.types.mdhd,new Uint8Array([0,0,0,0,0,0,0,2,0,0,0,3,t>>24&255,t>>16&255,t>>8&255,255&t,r>>24,r>>16&255,r>>8&255,255&r,85,196,0,0]))}},{key:"mdia",value:function(t){return e.box(e.types.mdia,e.mdhd(t.timescale,t.duration),e.hdlr(t.type),e.minf(t))}},{key:"mfhd",value:function(t){return e.box(e.types.mfhd,new Uint8Array([0,0,0,0,t>>24,t>>16&255,t>>8&255,255&t]))}},{key:"minf",value:function(t){return"audio"===t.type?e.box(e.types.minf,e.box(e.types.smhd,e.SMHD),e.DINF,e.stbl(t)):e.box(e.types.minf,e.box(e.types.vmhd,e.VMHD),e.DINF,e.stbl(t))}},{key:"moof",value:function(t,r,i){return e.box(e.types.moof,e.mfhd(t),e.traf(i,r))}},{key:"moov",value:function(t){for(var r=t.length,i=[];r--;)i[r]=e.trak(t[r]);return e.box.apply(null,[e.types.moov,e.mvhd(t[0].timescale,t[0].duration)].concat(i).concat(e.mvex(t)))}},{key:"mvex",value:function(r){for(var t=r.length,i=[];t--;)i[t]=e.trex(r[t]);return e.box.apply(null,[e.types.mvex].concat(i))}},{key:"mvhd",value:function(t,r){r*=t;var i=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,2,t>>24&255,t>>16&255,t>>8&255,255&t,r>>24&255,r>>16&255,r>>8&255,255&r,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]);return e.box(e.types.mvhd,i)}},{key:"sdtp",value:function(n){var r,t,i=n.samples||[],a=new Uint8Array(4+i.length);for(t=0;t>>8&255),i.push(255&n),i=i.concat(Array.prototype.slice.call(a));for(r=0;r>>8&255),s.push(255&n),s=s.concat(Array.prototype.slice.call(a));var u=e.box(e.types.avcC,new Uint8Array([1,i[3],i[4],i[5],255,224|t.sps.length].concat(i).concat([t.pps.length]).concat(s))),o=t.width,l=t.height;return e.box(e.types.avc1,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,o>>8&255,255&o,l>>8&255,255&l,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,100,97,105,108,121,109,111,116,105,111,110,47,104,108,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),u,e.box(e.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])))}},{key:"esds",value:function(t){var e=t.config.length;return new Uint8Array([0,0,0,0,3,23+e,0,1,0,4,15+e,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([e]).concat(t.config).concat([6,1,2]))}},{key:"mp4a",value:function(t){var r=t.audiosamplerate;return e.box(e.types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]),e.box(e.types.esds,e.esds(t)))}},{key:"stsd",value:function(t){return"audio"===t.type?e.box(e.types.stsd,e.STSD,e.mp4a(t)):e.box(e.types.stsd,e.STSD,e.avc1(t))}},{key:"tkhd",value:function(t){var r=t.id,i=t.duration*t.timescale,a=t.width,n=t.height;return e.box(e.types.tkhd,new Uint8Array([0,0,0,7,0,0,0,0,0,0,0,0,r>>24&255,r>>16&255,r>>8&255,255&r,0,0,0,0,i>>24,i>>16&255,i>>8&255,255&i,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,a>>8&255,255&a,0,0,n>>8&255,255&n,0,0]))}},{key:"traf",value:function(i,t){var a=e.sdtp(i),r=i.id;return e.box(e.types.traf,e.box(e.types.tfhd,new Uint8Array([0,0,0,0,r>>24,r>>16&255,r>>8&255,255&r])),e.box(e.types.tfdt,new Uint8Array([0,0,0,0,t>>24,t>>16&255,t>>8&255,255&t])),e.trun(i,a.length+16+16+8+16+8+8),a)}},{key:"trak",value:function(t){return t.duration=t.duration||4294967295,e.box(e.types.trak,e.tkhd(t),e.mdia(t))}},{key:"trex",value:function(r){var t=r.id;return e.box(e.types.trex,new Uint8Array([0,0,0,0,t>>24,t>>16&255,t>>8&255,255&t,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]))}},{key:"trun",value:function(h,o){var i,a,n,s,t,l,d=h.samples||[],r=d.length,f=12+16*r,u=new Uint8Array(f);for(o+=8+f,u.set([0,0,15,1,r>>>24&255,r>>>16&255,r>>>8&255,255&r,o>>>24&255,o>>>16&255,o>>>8&255,255&o],0),i=0;r>i;i++)a=d[i],n=a.duration,s=a.size,t=a.flags,l=a.cts,u.set([n>>>24&255,n>>>16&255,n>>>8&255,255&n,s>>>24&255,s>>>16&255,s>>>8&255,255&s,t.isLeading<<2|t.dependsOn,t.isDependedOn<<6|t.hasRedundancy<<4|t.paddingValue<<1|t.isNonSync,61440&t.degradPrio,15&t.degradPrio,l>>>24&255,l>>>16&255,l>>>8&255,255&l],12+16*i);return e.box(e.types.trun,u)}},{key:"initSegment",value:function(i){e.types||e.init();var t,r=e.moov(i);return t=new 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:"+i.timescale),l.audio={container:"audio/mp4",codec:i.codec,initSegment:r.default.initSegment([i]),metadata:{channelCount:i.channelCount}},u&&(n=o=v[0].pts-f*h)),a.sps&&a.pps&&d.length&&(a.timescale=this.MP4_TIMESCALE,l.video={container:"video/mp4",codec:a.codec,initSegment:r.default.initSegment([a]),metadata:{width:a.width,height:a.height}},u&&(n=Math.min(n,d[0].pts-f*h),o=Math.min(o,d[0].dts-f*h))),Object.keys(l).length?(c.trigger(t.default.FRAG_PARSING_INIT_SEGMENT,g),this.ISGenerated=!0,u&&(this._initPTS=n,this._initDTS=o)):c.trigger(t.default.ERROR,{type:s.ErrorTypes.MEDIA_ERROR,details:s.ErrorDetails.FRAG_PARSING_ERROR,fatal:!1,reason:"no audio/video samples found"})}},{key:"remuxVideo",value:function(a,w,S){var L,s,p,A,f,d,T,k,R,v,_,g,o,i,n,E=8,c=this.PES_TIMESCALE,h=this.PES2MP4SCALEFACTOR,u=[];for(d=new Uint8Array(a.len+4*a.nbNalu+8),L=new 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"+o+"/"+i+",delta:"+l)),k=Math.max(0,o),R=Math.max(0,i)}p={size:A,duration:0,cts:(o-i)/h,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0}},n=p.flags,s.key===!0?(n.dependsOn=2,n.isNonSync=0):(n.dependsOn=1,n.isNonSync=1),u.push(p),v=i}var b=0;u.length>=2&&(b=u[u.length-2].duration,p.duration=b),this.nextAvcDts=i+b*h,a.len=0,a.nbNalu=0,u.length&&navigator.userAgent.toLowerCase().indexOf("chrome")>-1&&(n=u[0].flags,n.dependsOn=2,n.isNonSync=0),a.samples=u,T=r.default.moof(a.sequenceNumber++,R/h,a),a.samples=[],this.observer.trigger(t.default.FRAG_PARSING_DATA,{data1:T,data2:d,startPTS:k/c,endPTS:(o+h*b)/c,startDTS:R/c,endDTS:this.nextAvcDts/c,type:"video",nb:u.length})}},{key:"remuxAudio",value:function(i,D,S){var T,p,n,h,d,k,L,b,u,g,R,o,a,A=8,s=this.PES_TIMESCALE,w=i.timescale,f=s/w,E=1024*i.timescale/i.audiosamplerate,m=[],_=[];for(i.samples.sort(function(e,t){return e.pts-t.pts}),_=i.samples;_.length;){if(p=_.shift(),h=p.unit,g=p.pts-this._initDTS,R=p.dts-this._initDTS,void 0!==u)o=this._PTSNormalize(g,u),a=this._PTSNormalize(R,u),n.duration=(a-u)/f,Math.abs(n.duration-E)>E/10&&e.logger.log("invalid AAC sample duration at PTS "+Math.round(g/90)+",should be 1024,found :"+Math.round(n.duration*i.audiosamplerate/i.timescale)),n.duration=E,o=a=E*f+u;else{var c=void 0,l=void 0;if(c=S?this.nextAacPts:D*s,o=this._PTSNormalize(g,c),a=this._PTSNormalize(R,c),l=Math.round(1e3*(o-c)/s),S&&l){if(l>0)e.logger.log(l+" ms hole between AAC samples detected,filling it");else if(-12>l){e.logger.log(-l+" ms overlapping between AAC samples detected, drop frame"),i.len-=h.byteLength;continue}o=a=c}if(L=Math.max(0,o),b=Math.max(0,a),!(i.len>0))return;d=new Uint8Array(i.len+8),T=new DataView(d.buffer),T.setUint32(0,d.byteLength),d.set(r.default.types.mdat,4)}d.set(h,A),A+=h.byteLength,n={size:h.byteLength,cts:0,duration:0,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},m.push(n),u=a}var y=0,v=m.length;v>=2&&(y=m[v-2].duration,n.duration=y),v&&(this.nextAacPts=o+f*y,i.len=0,i.samples=m,k=r.default.moof(i.sequenceNumber++,b/f,i),i.samples=[],this.observer.trigger(t.default.FRAG_PARSING_DATA,{data1:k,data2:d,startPTS:L/s,endPTS:this.nextAacPts/s,startDTS:b/s,endDTS:(a+f*y)/s,type:"audio",nb:v}))}},{key:"remuxID3",value:function(r,a){var e,n=r.samples.length;if(n){for(var i=0;n>i;i++)e=r.samples[i],e.pts=(e.pts-this._initPTS)/this.PES_TIMESCALE,e.dts=(e.dts-this._initDTS)/this.PES_TIMESCALE;this.observer.trigger(t.default.FRAG_PARSING_METADATA,{samples:r.samples})}r.samples=[],a=a}},{key:"remuxText",value:function(e,a){e.samples.sort(function(e,t){return e.pts-t.pts});var r,n=e.samples.length;if(n){for(var i=0;n>i;i++)r=e.samples[i],r.pts=(r.pts-this._initPTS)/this.PES_TIMESCALE;this.observer.trigger(t.default.FRAG_PARSING_USERDATA,{samples:e.samples})}e.samples=[],a=a}},{key:"_PTSNormalize",value:function(e,t){var r;if(void 0===t)return e;for(r=e>t?-8589934592:8589934592;Math.abs(e-t)>4294967296;)e+=r;return e}},{key:"passthrough",get:function(){return!1}}]),i}();a.default=d},{"../errors":21,"../events":23,"../remux/mp4-generator":31,"../utils/logger":38}],33:[function(r,l,e){"use strict";function i(e){return e&&e.__esModule?e:{default:e}}function a(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(e,"__esModule",{value:!0});var n=function(){function e(i,r){for(var t=0;tNumber.MAX_SAFE_INTEGER?1/0:e}},{key:"hexadecimalInteger",value:function(r){if(this[r]){var e=(this[r]||"0x").slice(2);e=(1&e.length?"0":"")+e;for(var i=new Uint8Array(e.length/2),t=0;tNumber.MAX_SAFE_INTEGER?1/0:e}},{key:"decimalFloatingPoint",value:function(e){return parseFloat(this[e])}},{key:"enumeratedString",value:function(e){return this[e]}},{key:"decimalResolution",value:function(t){var e=/^(\d+)x(\d+)$/.exec(this[t]);if(null!==e)return{width:parseInt(e[1],10),height:parseInt(e[2],10)}}}],[{key:"parseAttrList",value:function(a){for(var t,n=/\s*(.+?)\s*=((?:\".*?\")|.*?)(?:,|$)/g,r={};null!==(t=n.exec(a));){var e=t[2],i='"';0===e.indexOf(i)&&e.lastIndexOf(i)===e.length-1&&(e=e.slice(1,-1)),r[t[1]]=e}return r}}]),e}();e.default=i},{}],35:[function(r,e,i){"use strict";var t={search:function(a,s){for(var t=0,r=a.length-1,e=null,i=null;r>=t;){e=(t+r)/2|0,i=a[e];var n=s(i);if(n>0)t=e+1;else{if(!(0>n))return i;r=e-1}}return null}};e.exports=t},{}],36:[function(a,n,e){"use strict";function t(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(e,"__esModule",{value:!0});var r=function(){function e(i,r){for(var t=0;t0;)e.removeCue(e.cues[0])}},{key:"push",value:function(r,i){this.cue||this._createCue();for(var a,t,e,s,o,u=31&i[0],n=2,l=0;u>l;l++)if(a=i[n++],t=127&i[n++],e=127&i[n++],s=0!==(4&a),o=3&a,(0!==t||0!==e)&&s&&0===o){if(32&t||64&t)this.cue.text+=this._fromCharCode(t)+this._fromCharCode(e);else if((17===t||25===t)&&e>=48&&63>=e)switch(e){case 48:this.cue.text+="®";break;case 49:this.cue.text+="°";break;case 50:this.cue.text+="½";break;case 51:this.cue.text+="¿";break;case 52:this.cue.text+="™";break;case 53:this.cue.text+="¢";break;case 54:this.cue.text+="";break;case 55:this.cue.text+="£";break;case 56:this.cue.text+="♪";break;case 57:this.cue.text+=" ";break;case 58:this.cue.text+="è";break;case 59:this.cue.text+="â";break;case 60:this.cue.text+="ê";break;case 61:this.cue.text+="î";break;case 62:this.cue.text+="ô";break;case 63:this.cue.text+="û"}if((17===t||25===t)&&e>=32&&47>=e)switch(e){case 32:break;case 33:break;case 34:break;case 35:break;case 36:break;case 37:break;case 38:break;case 39:break;case 40:break;case 41:break;case 42:break;case 43:break;case 44:break;case 45:break;case 46:break;case 47:}if((20===t||28===t)&&e>=32&&47>=e)switch(e){case 32:this._clearActiveCues(r);break;case 33:this.cue.text=this.cue.text.substr(0,this.cue.text.length-1);break;case 34:break;case 35:break;case 36:break;case 37:break;case 38:break;case 39:break;case 40:break;case 41:this._clearActiveCues(r);break;case 42:break;case 43:break;case 44:this._clearActiveCues(r);break;case 45:break;case 46:this._text="";break;case 47:this._flipMemory(r)}if((23===t||31===t)&&e>=33&&35>=e)switch(e){case 33:break;case 34:break;case 35:}}}},{key:"_fromCharCode",value:function(e){switch(e){case 42:return"á";case 2:return"á";case 2:return"é";case 4:return"í";case 5:return"ó";case 6:return"ú";case 3:return"ç";case 4:return"÷";case 5:return"Ñ";case 6:return"ñ";case 7:return"█";default:return String.fromCharCode(e)}}},{key:"_flipMemory",value:function(e){this._clearActiveCues(e),this._flushCaptions(e)}},{key:"_flushCaptions",value:function(s){this._has708||(this._textTrack=this.media.addTextTrack("captions","English","en"),this._has708=!0);var e=!0,i=!1,a=void 0;try{for(var n,t=this.memory[Symbol.iterator]();!(e=(n=t.next()).done);e=!0){var r=n.value;r.startTime=s,this._textTrack.addCue(r),this.display.push(r)}}catch(e){i=!0,a=e}finally{try{!e&&t.return&&t.return()}finally{if(i)throw a}}this.memory=[],this.cue=null}},{key:"_clearActiveCues",value:function(n){var e=!0,r=!1,i=void 0;try{for(var a,t=this.display[Symbol.iterator]();!(e=(a=t.next()).done);e=!0){var s=a.value;s.endTime=n}}catch(e){r=!0,i=e}finally{try{!e&&t.return&&t.return()}finally{if(r)throw i}}this.display=[]}},{key:"_clearBufferedCues",value:function(){}}]),e}();e.default=i},{}],37:[function(a,n,e){"use strict";function t(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a 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e={buildAbsoluteURL:function(r,t){if(t=t.trim(),/^[a-z]+:/i.test(t))return t;var l=null,o=null,n=/^([^#]*)(.*)$/.exec(t);n&&(o=n[2],t=n[1]);var s=/^([^\?]*)(.*)$/.exec(t);s&&(l=s[2],t=s[1]);var f=/^([^#]*)(.*)$/.exec(r);f&&(r=f[1]);var u=/^([^\?]*)(.*)$/.exec(r);u&&(r=u[1]);var i=/^(([a-z]+:)?\/\/[a-z0-9\.\-_~]+(:[0-9]+)?)?(\/.*)$/i.exec(r);if(!i)throw new Error("Error trying to parse base URL.");var h=i[2]||"",d=i[1]||"",c=i[4],a=null;return a=/^\/\//.test(t)?h+"//"+e.buildAbsolutePath("",t.substring(2)):/^\//.test(t)?d+"/"+e.buildAbsolutePath("",t.substring(1)):e.buildAbsolutePath(d+c,t),l&&(a+=l),o&&(a+=o),a},buildAbsolutePath:function(n,s){for(var i,e,o=s,a="",t=n.replace(/[^\/]*$/,o.replace(/(\/|^)(?:\.?\/+)+/g,"$1")),r=0;e=t.indexOf("/../",r),e>-1;r=e+i)i=/^\/(?:\.\.\/)*/.exec(t.slice(e))[0].length,a=(a+t.substring(r,e)).replace(new RegExp("(?:\\/+[^\\/]*){0,"+(i-1)/3+"}$"),"/");return a+t.substr(r)}};t.exports=e},{}],40:[function(r,s,t){"use strict";function i(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(t,"__esModule",{value:!0});var a=function(){function e(i,r){for(var t=0;t=200&&300>r?(window.clearTimeout(this.timeoutHandle),t.tload=performance.now(),this.onSuccess(i,t)):t.retry this._msDuration) {
+ logger.log(`Updating mediasource duration to ${this._levelDuration}`);
+ mediaSource.duration = this._levelDuration;
+ this._msDuration = this._levelDuration;
+ }
+ }
+
doFlush() {
// loop through all buffer ranges to flush
while(this.flushRange.length) {
diff --git a/dashboard-ui/bower_components/hls.js/src/controller/ewma-bandwidth-estimator.js b/dashboard-ui/bower_components/hls.js/src/controller/ewma-bandwidth-estimator.js
index 2b4bfee19c..463b2bd804 100644
--- a/dashboard-ui/bower_components/hls.js/src/controller/ewma-bandwidth-estimator.js
+++ b/dashboard-ui/bower_components/hls.js/src/controller/ewma-bandwidth-estimator.js
@@ -16,8 +16,6 @@ class EwmaBandWidthEstimator {
this.defaultEstimate_ = 5e5; // 500kbps
this.minWeight_ = 0.001;
this.minDelayMs_ = 50;
- this.fast_ = new EWMA(hls.config.abrEwmaFast);
- this.slow_ = new EWMA(hls.config.abrEwmaSlow);
}
sample(durationMs,numBytes) {
@@ -26,6 +24,14 @@ class EwmaBandWidthEstimator {
//console.log('instant bw:'+ Math.round(bandwidth));
// we weight sample using loading duration....
var weigth = durationMs / 1000;
+
+ // lazy initialization. this allows to take into account config param changes that could happen after Hls instantiation,
+ // but before first fragment loading. this is useful to A/B tests those params
+ if(!this.fast_) {
+ let config = this.hls.config;
+ this.fast_ = new EWMA(config.abrEwmaFast);
+ this.slow_ = new EWMA(config.abrEwmaSlow);
+ }
this.fast_.sample(weigth,bandwidth);
this.slow_.sample(weigth,bandwidth);
}
diff --git a/dashboard-ui/bower_components/hls.js/src/controller/stream-controller.js b/dashboard-ui/bower_components/hls.js/src/controller/stream-controller.js
index 1bffcefe0d..32b11a7ac6 100644
--- a/dashboard-ui/bower_components/hls.js/src/controller/stream-controller.js
+++ b/dashboard-ui/bower_components/hls.js/src/controller/stream-controller.js
@@ -118,7 +118,7 @@ class StreamController extends EventHandler {
}
doTick() {
- var pos, level, levelDetails, hls = this.hls, config = hls.config;
+ var pos, level, levelDetails, hls = this.hls, config = hls.config, media = this.media, isSeeking = media && media.seeking;
//logger.log(this.state);
switch(this.state) {
case State.ERROR:
@@ -145,7 +145,7 @@ class StreamController extends EventHandler {
// 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 &&
+ if (!media &&
(this.startFragRequested || !config.startFragPrefetch)) {
break;
}
@@ -154,12 +154,12 @@ class StreamController extends EventHandler {
// ensure 60s of buffer upfront
// if we have not yet loaded any fragment, start loading from start position
if (this.loadedmetadata) {
- pos = this.media.currentTime;
+ pos = media.currentTime;
} else {
pos = this.nextLoadPosition;
}
level = hls.nextLoadLevel;
- var bufferInfo = BufferHelper.bufferInfo(this.media,pos,config.maxBufferHole),
+ var bufferInfo = BufferHelper.bufferInfo(media,pos,config.maxBufferHole),
bufferLen = bufferInfo.len,
bufferEnd = bufferInfo.end,
fragPrevious = this.fragPrevious,
@@ -194,7 +194,7 @@ class StreamController extends EventHandler {
// in case of live playlist we need to ensure that requested position is not located before playlist start
if (levelDetails.live) {
// check if requested position is within seekable boundaries :
- //logger.log(`start/pos/bufEnd/seeking:${start.toFixed(3)}/${pos.toFixed(3)}/${bufferEnd.toFixed(3)}/${this.media.seeking}`);
+ //logger.log(`start/pos/bufEnd/seeking:${start.toFixed(3)}/${pos.toFixed(3)}/${bufferEnd.toFixed(3)}/${media.seeking}`);
let maxLatency = config.liveMaxLatencyDuration !== undefined ? config.liveMaxLatencyDuration : config.liveMaxLatencyDurationCount*levelDetails.targetduration;
if (bufferEnd < Math.max(start, end - maxLatency)) {
@@ -244,13 +244,13 @@ class StreamController extends EventHandler {
}
}
if (!frag) {
- let foundFrag;
let maxFragLookUpTolerance = config.maxFragLookUpTolerance;
if (bufferEnd < end) {
- if (bufferEnd > end - maxFragLookUpTolerance) {
+ // no frag look up tolerance in case bufferEnd close to end, or media seeking
+ if (bufferEnd > end - maxFragLookUpTolerance || isSeeking) {
maxFragLookUpTolerance = 0;
}
- foundFrag = BinarySearch.search(fragments, (candidate) => {
+ frag = BinarySearch.search(fragments, (candidate) => {
// offset should be within fragment boundary - config.maxFragLookUpTolerance
// this is to cope with situations like
// bufferEnd = 9.991
@@ -274,34 +274,31 @@ class StreamController extends EventHandler {
});
} 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 < levelDetails.endSN) {
- frag = fragments[frag.sn + 1 - levelDetails.startSN];
- logger.log(`SN just loaded, load next one: ${frag.sn}`);
- } else {
- // have we reached end of VOD playlist ?
- if (!levelDetails.live) {
- // Finalize the media stream
- this.hls.trigger(Event.BUFFER_EOS);
- // We might be loading the last fragment but actually the media
- // is currently processing a seek command and waiting for new data to resume at another point.
- // Going to ended state while media is seeking can spawn an infinite buffering broken state.
- if (!this.media.seeking) {
- this.state = State.ENDED;
- }
- }
- frag = null;
- }
- }
+ frag = fragments[fragLen-1];
}
}
if(frag) {
+ start = frag.start;
+ //logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn);
+ if (fragPrevious && frag.level === fragPrevious.level && frag.sn === fragPrevious.sn) {
+ if (frag.sn < levelDetails.endSN) {
+ frag = fragments[frag.sn + 1 - levelDetails.startSN];
+ logger.log(`SN just loaded, load next one: ${frag.sn}`);
+ } else {
+ // have we reached end of VOD playlist ?
+ if (!levelDetails.live) {
+ // Finalize the media stream
+ this.hls.trigger(Event.BUFFER_EOS);
+ // We might be loading the last fragment but actually the media
+ // is currently processing a seek command and waiting for new data to resume at another point.
+ // Going to ended state while media is seeking can spawn an infinite buffering broken state.
+ if (!isSeeking) {
+ this.state = State.ENDED;
+ }
+ }
+ return;
+ }
+ }
//logger.log(' loading frag ' + i +',pos/bufEnd:' + pos.toFixed(3) + '/' + bufferEnd.toFixed(3));
if ((frag.decryptdata.uri != null) && (frag.decryptdata.key == null)) {
logger.log(`Loading key for ${frag.sn} of [${levelDetails.startSN} ,${levelDetails.endSN}],level ${level}`);
@@ -350,8 +347,6 @@ class StreamController extends EventHandler {
case State.FRAG_LOADING_WAITING_RETRY:
var now = performance.now();
var retryDate = this.retryDate;
- var media = this.media;
- var isSeeking = media && media.seeking;
// if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading
if(!retryDate || (now >= retryDate) || isSeeking) {
logger.log(`mediaController: retryDate reached, switch back to IDLE state`);
@@ -1024,7 +1019,9 @@ _checkBuffer() {
logger.log(`target seek position:${targetSeekPosition}`);
}
var bufferInfo = BufferHelper.bufferInfo(media,currentTime,0),
- expectedPlaying = !(media.paused || media.ended || media.seeking || media.buffered.length === 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 = 0.4, // tolerance needed as some browsers stalls playback before reaching buffered range end
playheadMoving = currentTime > media.playbackRate*this.lastCurrentTime;
@@ -1057,8 +1054,7 @@ _checkBuffer() {
var nextBufferStart = bufferInfo.nextStart, delta = nextBufferStart-currentTime;
if(nextBufferStart &&
(delta < this.config.maxSeekHole) &&
- (delta > 0) &&
- !media.seeking) {
+ (delta > 0)) {
// next buffer is close ! adjust currentTime to nextBufferStart
// this will ensure effective video decoding
logger.log(`adjust currentTime from ${media.currentTime} to next buffered @ ${nextBufferStart} + nudge ${this.seekHoleNudgeDuration}`);
diff --git a/dashboard-ui/bower_components/iron-resizable-behavior/.bower.json b/dashboard-ui/bower_components/iron-resizable-behavior/.bower.json
index 2e765b9324..cca11d8994 100644
--- a/dashboard-ui/bower_components/iron-resizable-behavior/.bower.json
+++ b/dashboard-ui/bower_components/iron-resizable-behavior/.bower.json
@@ -28,14 +28,14 @@
"webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
},
"ignore": [],
- "homepage": "https://github.com/PolymerElements/iron-resizable-behavior",
+ "homepage": "https://github.com/polymerelements/iron-resizable-behavior",
"_release": "1.0.3",
"_resolution": {
"type": "version",
"tag": "v1.0.3",
"commit": "dda1df6aaf452aedf3e52ff0cf69e72439452216"
},
- "_source": "git://github.com/PolymerElements/iron-resizable-behavior.git",
+ "_source": "git://github.com/polymerelements/iron-resizable-behavior.git",
"_target": "^1.0.0",
- "_originalSource": "PolymerElements/iron-resizable-behavior"
+ "_originalSource": "polymerelements/iron-resizable-behavior"
}
\ No newline at end of file
diff --git a/dashboard-ui/bower_components/jquery/.bower.json b/dashboard-ui/bower_components/jquery/.bower.json
index 2d5006c0db..0cbc3b4e02 100644
--- a/dashboard-ui/bower_components/jquery/.bower.json
+++ b/dashboard-ui/bower_components/jquery/.bower.json
@@ -12,14 +12,14 @@
"library"
],
"homepage": "https://github.com/jquery/jquery-dist",
- "version": "2.2.3",
- "_release": "2.2.3",
+ "version": "3.0.0",
+ "_release": "3.0.0",
"_resolution": {
"type": "version",
- "tag": "2.2.3",
- "commit": "af22a351b2ea5801ffb1695abb3bb34d5bed9198"
+ "tag": "3.0.0",
+ "commit": "0078f86be166a8747819d5d1516776a662cb69df"
},
- "_source": "git://github.com/jquery/jquery-dist.git",
+ "_source": "https://github.com/jquery/jquery-dist.git",
"_target": ">=1.9.1",
"_originalSource": "jquery"
}
\ No newline at end of file
diff --git a/dashboard-ui/bower_components/jquery/AUTHORS.txt b/dashboard-ui/bower_components/jquery/AUTHORS.txt
index dde64cac7a..0e22886ad3 100644
--- a/dashboard-ui/bower_components/jquery/AUTHORS.txt
+++ b/dashboard-ui/bower_components/jquery/AUTHORS.txt
@@ -272,7 +272,24 @@ Christian Grete
Liza Ramo
Julian Alexander Murillo
Joelle Fleurantin
+Jae Sung Park
Jun Sun
+Josh Soref
+Henry Wong
+Jon Dufresne
+Martijn W. van der Lee
Devin Wilson
-Todor Prikumov
+Steve Mao
Zack Hall
+Bernhard M. Wiedemann
+Todor Prikumov
+Jha Naman
+William Robinet
+Alexander Lisianoi
+Vitaliy Terziev
+Joe Trumbull
+Alexander K
+Damian Senn
+Ralin Chimev
+Felipe Sateler
+Christophe Tafani-Dereeper
diff --git a/dashboard-ui/bower_components/jquery/dist/core.js b/dashboard-ui/bower_components/jquery/dist/core.js
new file mode 100644
index 0000000000..ddc00a9bd2
--- /dev/null
+++ b/dashboard-ui/bower_components/jquery/dist/core.js
@@ -0,0 +1,479 @@
+define( [
+ "./var/arr",
+ "./var/document",
+ "./var/getProto",
+ "./var/slice",
+ "./var/concat",
+ "./var/push",
+ "./var/indexOf",
+ "./var/class2type",
+ "./var/toString",
+ "./var/hasOwn",
+ "./var/fnToString",
+ "./var/ObjectFunctionString",
+ "./var/support",
+ "./core/DOMEval"
+], function( arr, document, getProto, slice, concat, push, indexOf,
+ class2type, toString, hasOwn, fnToString, ObjectFunctionString,
+ support, DOMEval ) {
+
+"use strict";
+
+var
+ version = "3.0.0",
+
+ // Define a local copy of jQuery
+ jQuery = function( selector, context ) {
+
+ // The jQuery object is actually just the init constructor 'enhanced'
+ // Need init if jQuery is called (just allow error to be thrown if not included)
+ return new jQuery.fn.init( selector, context );
+ },
+
+ // Support: Android <=4.0 only
+ // Make sure we trim BOM and NBSP
+ rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
+
+ // Matches dashed string for camelizing
+ rmsPrefix = /^-ms-/,
+ rdashAlpha = /-([a-z])/g,
+
+ // Used by jQuery.camelCase as callback to replace()
+ fcamelCase = function( all, letter ) {
+ return letter.toUpperCase();
+ };
+
+jQuery.fn = jQuery.prototype = {
+
+ // The current version of jQuery being used
+ jquery: version,
+
+ constructor: jQuery,
+
+ // The default length of a jQuery object is 0
+ length: 0,
+
+ toArray: function() {
+ return slice.call( this );
+ },
+
+ // Get the Nth element in the matched element set OR
+ // Get the whole matched element set as a clean array
+ get: function( num ) {
+ return num != null ?
+
+ // Return just the one element from the set
+ ( num < 0 ? this[ num + this.length ] : this[ num ] ) :
+
+ // Return all the elements in a clean array
+ slice.call( this );
+ },
+
+ // Take an array of elements and push it onto the stack
+ // (returning the new matched element set)
+ pushStack: function( elems ) {
+
+ // Build a new jQuery matched element set
+ var ret = jQuery.merge( this.constructor(), elems );
+
+ // Add the old object onto the stack (as a reference)
+ ret.prevObject = this;
+
+ // Return the newly-formed element set
+ return ret;
+ },
+
+ // Execute a callback for every element in the matched set.
+ each: function( callback ) {
+ return jQuery.each( this, callback );
+ },
+
+ map: function( callback ) {
+ return this.pushStack( jQuery.map( this, function( elem, i ) {
+ return callback.call( elem, i, elem );
+ } ) );
+ },
+
+ slice: function() {
+ return this.pushStack( slice.apply( this, arguments ) );
+ },
+
+ first: function() {
+ return this.eq( 0 );
+ },
+
+ last: function() {
+ return this.eq( -1 );
+ },
+
+ eq: function( i ) {
+ var len = this.length,
+ j = +i + ( i < 0 ? len : 0 );
+ return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
+ },
+
+ end: function() {
+ return this.prevObject || this.constructor();
+ },
+
+ // For internal use only.
+ // Behaves like an Array's method, not like a jQuery method.
+ push: push,
+ sort: arr.sort,
+ splice: arr.splice
+};
+
+jQuery.extend = jQuery.fn.extend = function() {
+ var options, name, src, copy, copyIsArray, clone,
+ target = arguments[ 0 ] || {},
+ i = 1,
+ length = arguments.length,
+ deep = false;
+
+ // Handle a deep copy situation
+ if ( typeof target === "boolean" ) {
+ deep = target;
+
+ // Skip the boolean and the target
+ target = arguments[ i ] || {};
+ i++;
+ }
+
+ // Handle case when target is a string or something (possible in deep copy)
+ if ( typeof target !== "object" && !jQuery.isFunction( target ) ) {
+ target = {};
+ }
+
+ // Extend jQuery itself if only one argument is passed
+ if ( i === length ) {
+ target = this;
+ i--;
+ }
+
+ for ( ; i < length; i++ ) {
+
+ // Only deal with non-null/undefined values
+ if ( ( options = arguments[ i ] ) != null ) {
+
+ // Extend the base object
+ for ( name in options ) {
+ src = target[ name ];
+ copy = options[ name ];
+
+ // Prevent never-ending loop
+ if ( target === copy ) {
+ continue;
+ }
+
+ // Recurse if we're merging plain objects or arrays
+ if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
+ ( copyIsArray = jQuery.isArray( copy ) ) ) ) {
+
+ if ( copyIsArray ) {
+ copyIsArray = false;
+ clone = src && jQuery.isArray( src ) ? src : [];
+
+ } else {
+ clone = src && jQuery.isPlainObject( src ) ? src : {};
+ }
+
+ // Never move original objects, clone them
+ target[ name ] = jQuery.extend( deep, clone, copy );
+
+ // Don't bring in undefined values
+ } else if ( copy !== undefined ) {
+ target[ name ] = copy;
+ }
+ }
+ }
+ }
+
+ // Return the modified object
+ return target;
+};
+
+jQuery.extend( {
+
+ // Unique for each copy of jQuery on the page
+ expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
+
+ // Assume jQuery is ready without the ready module
+ isReady: true,
+
+ error: function( msg ) {
+ throw new Error( msg );
+ },
+
+ noop: function() {},
+
+ isFunction: function( obj ) {
+ return jQuery.type( obj ) === "function";
+ },
+
+ isArray: Array.isArray,
+
+ isWindow: function( obj ) {
+ return obj != null && obj === obj.window;
+ },
+
+ isNumeric: function( obj ) {
+
+ // As of jQuery 3.0, isNumeric is limited to
+ // strings and numbers (primitives or objects)
+ // that can be coerced to finite numbers (gh-2662)
+ var type = jQuery.type( obj );
+ return ( type === "number" || type === "string" ) &&
+
+ // parseFloat NaNs numeric-cast false positives ("")
+ // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
+ // subtraction forces infinities to NaN
+ !isNaN( obj - parseFloat( obj ) );
+ },
+
+ isPlainObject: function( obj ) {
+ var proto, Ctor;
+
+ // Detect obvious negatives
+ // Use toString instead of jQuery.type to catch host objects
+ if ( !obj || toString.call( obj ) !== "[object Object]" ) {
+ return false;
+ }
+
+ proto = getProto( obj );
+
+ // Objects with no prototype (e.g., `Object.create( null )`) are plain
+ if ( !proto ) {
+ return true;
+ }
+
+ // Objects with prototype are plain iff they were constructed by a global Object function
+ Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
+ return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
+ },
+
+ isEmptyObject: function( obj ) {
+ var name;
+ for ( name in obj ) {
+ return false;
+ }
+ return true;
+ },
+
+ type: function( obj ) {
+ if ( obj == null ) {
+ return obj + "";
+ }
+
+ // Support: Android <=2.3 only (functionish RegExp)
+ return typeof obj === "object" || typeof obj === "function" ?
+ class2type[ toString.call( obj ) ] || "object" :
+ typeof obj;
+ },
+
+ // Evaluates a script in a global context
+ globalEval: function( code ) {
+ DOMEval( code );
+ },
+
+ // Convert dashed to camelCase; used by the css and data modules
+ // Support: IE <=9 - 11, Edge 12 - 13
+ // Microsoft forgot to hump their vendor prefix (#9572)
+ camelCase: function( string ) {
+ return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
+ },
+
+ nodeName: function( elem, name ) {
+ return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
+ },
+
+ each: function( obj, callback ) {
+ var length, i = 0;
+
+ if ( isArrayLike( obj ) ) {
+ length = obj.length;
+ for ( ; i < length; i++ ) {
+ if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
+ break;
+ }
+ }
+ } else {
+ for ( i in obj ) {
+ if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
+ break;
+ }
+ }
+ }
+
+ return obj;
+ },
+
+ // Support: Android <=4.0 only
+ trim: function( text ) {
+ return text == null ?
+ "" :
+ ( text + "" ).replace( rtrim, "" );
+ },
+
+ // results is for internal usage only
+ makeArray: function( arr, results ) {
+ var ret = results || [];
+
+ if ( arr != null ) {
+ if ( isArrayLike( Object( arr ) ) ) {
+ jQuery.merge( ret,
+ typeof arr === "string" ?
+ [ arr ] : arr
+ );
+ } else {
+ push.call( ret, arr );
+ }
+ }
+
+ return ret;
+ },
+
+ inArray: function( elem, arr, i ) {
+ return arr == null ? -1 : indexOf.call( arr, elem, i );
+ },
+
+ // Support: Android <=4.0 only, PhantomJS 1 only
+ // push.apply(_, arraylike) throws on ancient WebKit
+ merge: function( first, second ) {
+ var len = +second.length,
+ j = 0,
+ i = first.length;
+
+ for ( ; j < len; j++ ) {
+ first[ i++ ] = second[ j ];
+ }
+
+ first.length = i;
+
+ return first;
+ },
+
+ grep: function( elems, callback, invert ) {
+ var callbackInverse,
+ matches = [],
+ i = 0,
+ length = elems.length,
+ callbackExpect = !invert;
+
+ // Go through the array, only saving the items
+ // that pass the validator function
+ for ( ; i < length; i++ ) {
+ callbackInverse = !callback( elems[ i ], i );
+ if ( callbackInverse !== callbackExpect ) {
+ matches.push( elems[ i ] );
+ }
+ }
+
+ return matches;
+ },
+
+ // arg is for internal usage only
+ map: function( elems, callback, arg ) {
+ var length, value,
+ i = 0,
+ ret = [];
+
+ // Go through the array, translating each of the items to their new values
+ if ( isArrayLike( elems ) ) {
+ length = elems.length;
+ for ( ; i < length; i++ ) {
+ value = callback( elems[ i ], i, arg );
+
+ if ( value != null ) {
+ ret.push( value );
+ }
+ }
+
+ // Go through every key on the object,
+ } else {
+ for ( i in elems ) {
+ value = callback( elems[ i ], i, arg );
+
+ if ( value != null ) {
+ ret.push( value );
+ }
+ }
+ }
+
+ // Flatten any nested arrays
+ return concat.apply( [], ret );
+ },
+
+ // A global GUID counter for objects
+ guid: 1,
+
+ // Bind a function to a context, optionally partially applying any
+ // arguments.
+ proxy: function( fn, context ) {
+ var tmp, args, proxy;
+
+ if ( typeof context === "string" ) {
+ tmp = fn[ context ];
+ context = fn;
+ fn = tmp;
+ }
+
+ // Quick check to determine if target is callable, in the spec
+ // this throws a TypeError, but we will just return undefined.
+ if ( !jQuery.isFunction( fn ) ) {
+ return undefined;
+ }
+
+ // Simulated bind
+ args = slice.call( arguments, 2 );
+ proxy = function() {
+ return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
+ };
+
+ // Set the guid of unique handler to the same of original handler, so it can be removed
+ proxy.guid = fn.guid = fn.guid || jQuery.guid++;
+
+ return proxy;
+ },
+
+ now: Date.now,
+
+ // jQuery.support is not used in Core but other projects attach their
+ // properties to it so it needs to exist.
+ support: support
+} );
+
+// JSHint would error on this code due to the Symbol not being defined in ES5.
+// Defining this global in .jshintrc would create a danger of using the global
+// unguarded in another place, it seems safer to just disable JSHint for these
+// three lines.
+/* jshint ignore: start */
+if ( typeof Symbol === "function" ) {
+ jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
+}
+/* jshint ignore: end */
+
+// Populate the class2type map
+jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
+function( i, name ) {
+ class2type[ "[object " + name + "]" ] = name.toLowerCase();
+} );
+
+function isArrayLike( obj ) {
+
+ // Support: real iOS 8.2 only (not reproducible in simulator)
+ // `in` check used to prevent JIT error (gh-2145)
+ // hasOwn isn't used here due to false negatives
+ // regarding Nodelist length in IE
+ var length = !!obj && "length" in obj && obj.length,
+ type = jQuery.type( obj );
+
+ if ( type === "function" || jQuery.isWindow( obj ) ) {
+ return false;
+ }
+
+ return type === "array" || length === 0 ||
+ typeof length === "number" && length > 0 && ( length - 1 ) in obj;
+}
+
+return jQuery;
+} );
diff --git a/dashboard-ui/bower_components/jquery/dist/jquery.js b/dashboard-ui/bower_components/jquery/dist/jquery.js
index 385474756f..aad916a311 100644
--- a/dashboard-ui/bower_components/jquery/dist/jquery.js
+++ b/dashboard-ui/bower_components/jquery/dist/jquery.js
@@ -1,20 +1,22 @@
/*!
- * jQuery JavaScript Library v2.2.3
- * http://jquery.com/
+ * jQuery JavaScript Library v3.0.0
+ * https://jquery.com/
*
* Includes Sizzle.js
- * http://sizzlejs.com/
+ * https://sizzlejs.com/
*
* Copyright jQuery Foundation and other contributors
* Released under the MIT license
- * http://jquery.org/license
+ * https://jquery.org/license
*
- * Date: 2016-04-05T19:26Z
+ * Date: 2016-06-09T18:02Z
*/
+( function( global, factory ) {
-(function( global, factory ) {
+ "use strict";
if ( typeof module === "object" && typeof module.exports === "object" ) {
+
// For CommonJS and CommonJS-like environments where a proper `window`
// is present, execute the factory and get jQuery.
// For environments that do not have a `window` with a `document`
@@ -35,17 +37,20 @@
}
// Pass this if window is not defined yet
-}(typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
+}( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
+
+// Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
+// throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
+// arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
+// enough that all such attempts are guarded in a try block.
+"use strict";
-// Support: Firefox 18+
-// Can't be in strict mode, several libs including ASP.NET trace
-// the stack via arguments.caller.callee and Firefox dies if
-// you try to trace through "use strict" call chains. (#13335)
-//"use strict";
var arr = [];
var document = window.document;
+var getProto = Object.getPrototypeOf;
+
var slice = arr.slice;
var concat = arr.concat;
@@ -60,12 +65,26 @@ var toString = class2type.toString;
var hasOwn = class2type.hasOwnProperty;
+var fnToString = hasOwn.toString;
+
+var ObjectFunctionString = fnToString.call( Object );
+
var support = {};
+ function DOMEval( code, doc ) {
+ doc = doc || document;
+
+ var script = doc.createElement( "script" );
+
+ script.text = code;
+ doc.head.appendChild( script ).parentNode.removeChild( script );
+ }
+
+
var
- version = "2.2.3",
+ version = "3.0.0",
// Define a local copy of jQuery
jQuery = function( selector, context ) {
@@ -75,13 +94,13 @@ var
return new jQuery.fn.init( selector, context );
},
- // Support: Android<4.1
+ // Support: Android <=4.0 only
// Make sure we trim BOM and NBSP
rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
// Matches dashed string for camelizing
rmsPrefix = /^-ms-/,
- rdashAlpha = /-([\da-z])/gi,
+ rdashAlpha = /-([a-z])/g,
// Used by jQuery.camelCase as callback to replace()
fcamelCase = function( all, letter ) {
@@ -95,9 +114,6 @@ jQuery.fn = jQuery.prototype = {
constructor: jQuery,
- // Start with an empty selector
- selector: "",
-
// The default length of a jQuery object is 0
length: 0,
@@ -126,7 +142,6 @@ jQuery.fn = jQuery.prototype = {
// Add the old object onto the stack (as a reference)
ret.prevObject = this;
- ret.context = this.context;
// Return the newly-formed element set
return ret;
@@ -267,37 +282,37 @@ jQuery.extend( {
isNumeric: function( obj ) {
- // parseFloat NaNs numeric-cast false positives (null|true|false|"")
- // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
- // subtraction forces infinities to NaN
- // adding 1 corrects loss of precision from parseFloat (#15100)
- var realStringObj = obj && obj.toString();
- return !jQuery.isArray( obj ) && ( realStringObj - parseFloat( realStringObj ) + 1 ) >= 0;
+ // As of jQuery 3.0, isNumeric is limited to
+ // strings and numbers (primitives or objects)
+ // that can be coerced to finite numbers (gh-2662)
+ var type = jQuery.type( obj );
+ return ( type === "number" || type === "string" ) &&
+
+ // parseFloat NaNs numeric-cast false positives ("")
+ // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
+ // subtraction forces infinities to NaN
+ !isNaN( obj - parseFloat( obj ) );
},
isPlainObject: function( obj ) {
- var key;
+ var proto, Ctor;
- // Not plain objects:
- // - Any object or value whose internal [[Class]] property is not "[object Object]"
- // - DOM nodes
- // - window
- if ( jQuery.type( obj ) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
+ // Detect obvious negatives
+ // Use toString instead of jQuery.type to catch host objects
+ if ( !obj || toString.call( obj ) !== "[object Object]" ) {
return false;
}
- // Not own constructor property must be Object
- if ( obj.constructor &&
- !hasOwn.call( obj, "constructor" ) &&
- !hasOwn.call( obj.constructor.prototype || {}, "isPrototypeOf" ) ) {
- return false;
+ proto = getProto( obj );
+
+ // Objects with no prototype (e.g., `Object.create( null )`) are plain
+ if ( !proto ) {
+ return true;
}
- // Own properties are enumerated firstly, so to speed up,
- // if last one is own, then all properties are own
- for ( key in obj ) {}
-
- return key === undefined || hasOwn.call( obj, key );
+ // Objects with prototype are plain iff they were constructed by a global Object function
+ Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
+ return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
},
isEmptyObject: function( obj ) {
@@ -313,7 +328,7 @@ jQuery.extend( {
return obj + "";
}
- // Support: Android<4.0, iOS<6 (functionish RegExp)
+ // Support: Android <=2.3 only (functionish RegExp)
return typeof obj === "object" || typeof obj === "function" ?
class2type[ toString.call( obj ) ] || "object" :
typeof obj;
@@ -321,32 +336,11 @@ jQuery.extend( {
// Evaluates a script in a global context
globalEval: function( code ) {
- var script,
- indirect = eval;
-
- code = jQuery.trim( code );
-
- if ( code ) {
-
- // If the code includes a valid, prologue position
- // strict mode pragma, execute code by injecting a
- // script tag into the document.
- if ( code.indexOf( "use strict" ) === 1 ) {
- script = document.createElement( "script" );
- script.text = code;
- document.head.appendChild( script ).parentNode.removeChild( script );
- } else {
-
- // Otherwise, avoid the DOM node creation, insertion
- // and removal by using an indirect global eval
-
- indirect( code );
- }
- }
+ DOMEval( code );
},
// Convert dashed to camelCase; used by the css and data modules
- // Support: IE9-11+
+ // Support: IE <=9 - 11, Edge 12 - 13
// Microsoft forgot to hump their vendor prefix (#9572)
camelCase: function( string ) {
return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
@@ -377,7 +371,7 @@ jQuery.extend( {
return obj;
},
- // Support: Android<4.1
+ // Support: Android <=4.0 only
trim: function( text ) {
return text == null ?
"" :
@@ -406,6 +400,8 @@ jQuery.extend( {
return arr == null ? -1 : indexOf.call( arr, elem, i );
},
+ // Support: Android <=4.0 only, PhantomJS 1 only
+ // push.apply(_, arraylike) throws on ancient WebKit
merge: function( first, second ) {
var len = +second.length,
j = 0,
@@ -528,7 +524,7 @@ function( i, name ) {
function isArrayLike( obj ) {
- // Support: iOS 8.2 (not reproducible in simulator)
+ // Support: real iOS 8.2 only (not reproducible in simulator)
// `in` check used to prevent JIT error (gh-2145)
// hasOwn isn't used here due to false negatives
// regarding Nodelist length in IE
@@ -544,14 +540,14 @@ function isArrayLike( obj ) {
}
var Sizzle =
/*!
- * Sizzle CSS Selector Engine v2.2.1
- * http://sizzlejs.com/
+ * Sizzle CSS Selector Engine v2.3.0
+ * https://sizzlejs.com/
*
* Copyright jQuery Foundation and other contributors
* Released under the MIT license
* http://jquery.org/license
*
- * Date: 2015-10-17
+ * Date: 2016-01-04
*/
(function( window ) {
@@ -592,9 +588,6 @@ var i,
return 0;
},
- // General-purpose constants
- MAX_NEGATIVE = 1 << 31,
-
// Instance methods
hasOwn = ({}).hasOwnProperty,
arr = [],
@@ -603,7 +596,7 @@ var i,
push = arr.push,
slice = arr.slice,
// Use a stripped-down indexOf as it's faster than native
- // http://jsperf.com/thor-indexof-vs-for/5
+ // https://jsperf.com/thor-indexof-vs-for/5
indexOf = function( list, elem ) {
var i = 0,
len = list.length;
@@ -623,7 +616,7 @@ var i,
whitespace = "[\\x20\\t\\r\\n\\f]",
// http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
- identifier = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",
+ identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",
// Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
@@ -680,9 +673,9 @@ var i,
rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
rsibling = /[+~]/,
- rescape = /'|\\/g,
- // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
+ // CSS escapes
+ // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
funescape = function( _, escaped, escapedWhitespace ) {
var high = "0x" + escaped - 0x10000;
@@ -698,13 +691,39 @@ var i,
String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
},
+ // CSS string/identifier serialization
+ // https://drafts.csswg.org/cssom/#common-serializing-idioms
+ rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\x80-\uFFFF\w-]/g,
+ fcssescape = function( ch, asCodePoint ) {
+ if ( asCodePoint ) {
+
+ // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
+ if ( ch === "\0" ) {
+ return "\uFFFD";
+ }
+
+ // Control characters and (dependent upon position) numbers get escaped as code points
+ return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
+ }
+
+ // Other potentially-special ASCII characters get backslash-escaped
+ return "\\" + ch;
+ },
+
// Used for iframes
// See setDocument()
// Removing the function wrapper causes a "Permission Denied"
// error in IE
unloadHandler = function() {
setDocument();
- };
+ },
+
+ disabledAncestor = addCombinator(
+ function( elem ) {
+ return elem.disabled === true;
+ },
+ { dir: "parentNode", next: "legend" }
+ );
// Optimize for push.apply( _, NodeList )
try {
@@ -736,7 +755,7 @@ try {
}
function Sizzle( selector, context, results, seed ) {
- var m, i, elem, nid, nidselect, match, groups, newSelector,
+ var m, i, elem, nid, match, groups, newSelector,
newContext = context && context.ownerDocument,
// nodeType defaults to 9, since context defaults to document
@@ -829,7 +848,7 @@ function Sizzle( selector, context, results, seed ) {
// Capture the context ID, setting it first if necessary
if ( (nid = context.getAttribute( "id" )) ) {
- nid = nid.replace( rescape, "\\$&" );
+ nid = nid.replace( rcssescape, fcssescape );
} else {
context.setAttribute( "id", (nid = expando) );
}
@@ -837,9 +856,8 @@ function Sizzle( selector, context, results, seed ) {
// Prefix every selector in the list
groups = tokenize( selector );
i = groups.length;
- nidselect = ridentifier.test( nid ) ? "#" + nid : "[id='" + nid + "']";
while ( i-- ) {
- groups[i] = nidselect + " " + toSelector( groups[i] );
+ groups[i] = "#" + nid + " " + toSelector( groups[i] );
}
newSelector = groups.join( "," );
@@ -900,22 +918,22 @@ function markFunction( fn ) {
/**
* Support testing using an element
- * @param {Function} fn Passed the created div and expects a boolean result
+ * @param {Function} fn Passed the created element and returns a boolean result
*/
function assert( fn ) {
- var div = document.createElement("div");
+ var el = document.createElement("fieldset");
try {
- return !!fn( div );
+ return !!fn( el );
} catch (e) {
return false;
} finally {
// Remove from its parent by default
- if ( div.parentNode ) {
- div.parentNode.removeChild( div );
+ if ( el.parentNode ) {
+ el.parentNode.removeChild( el );
}
// release memory in IE
- div = null;
+ el = null;
}
}
@@ -942,8 +960,7 @@ function addHandle( attrs, handler ) {
function siblingCheck( a, b ) {
var cur = b && a,
diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
- ( ~b.sourceIndex || MAX_NEGATIVE ) -
- ( ~a.sourceIndex || MAX_NEGATIVE );
+ a.sourceIndex - b.sourceIndex;
// Use IE sourceIndex if available on both nodes
if ( diff ) {
@@ -984,6 +1001,34 @@ function createButtonPseudo( type ) {
};
}
+/**
+ * Returns a function to use in pseudos for :enabled/:disabled
+ * @param {Boolean} disabled true for :disabled; false for :enabled
+ */
+function createDisabledPseudo( disabled ) {
+ // Known :disabled false positives:
+ // IE: *[disabled]:not(button, input, select, textarea, optgroup, option, menuitem, fieldset)
+ // not IE: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
+ return function( elem ) {
+
+ // Check form elements and option elements for explicit disabling
+ return "label" in elem && elem.disabled === disabled ||
+ "form" in elem && elem.disabled === disabled ||
+
+ // Check non-disabled form elements for fieldset[disabled] ancestors
+ "form" in elem && elem.disabled === false && (
+ // Support: IE6-11+
+ // Ancestry is covered for us
+ elem.isDisabled === disabled ||
+
+ // Otherwise, assume any non-