diff --git a/dashboard-ui/bower_components/emby-webcomponents/.bower.json b/dashboard-ui/bower_components/emby-webcomponents/.bower.json index 04d273769d..3dd26b7f76 100644 --- a/dashboard-ui/bower_components/emby-webcomponents/.bower.json +++ b/dashboard-ui/bower_components/emby-webcomponents/.bower.json @@ -15,12 +15,12 @@ }, "devDependencies": {}, "ignore": [], - "version": "1.4.54", - "_release": "1.4.54", + "version": "1.4.56", + "_release": "1.4.56", "_resolution": { "type": "version", - "tag": "1.4.54", - "commit": "e54c908295025a828f897937f4e41d3ec9f122ba" + "tag": "1.4.56", + "commit": "2e223ca2b059e6af4bbf718d3bce601c714d608e" }, "_source": "https://github.com/MediaBrowser/emby-webcomponents.git", "_target": "^1.2.0", diff --git a/dashboard-ui/bower_components/emby-webcomponents/backdrop/backdrop.js b/dashboard-ui/bower_components/emby-webcomponents/backdrop/backdrop.js index 5b48e8a52a..17168c8f93 100644 --- a/dashboard-ui/bower_components/emby-webcomponents/backdrop/backdrop.js +++ b/dashboard-ui/bower_components/emby-webcomponents/backdrop/backdrop.js @@ -3,13 +3,21 @@ function enableAnimation(elem) { if (browser.mobile) { - i return false; } return elem.animate; } + function enableRotation() { + + if (browser.tv) { + return false; + } + + return true; + } + function backdrop() { var self = this; @@ -270,7 +278,7 @@ currentRotatingImages = images; currentRotationIndex = -1; - if (images.length > 1) { + if (images.length > 1 && enableRotation()) { rotationInterval = setInterval(onRotationInterval, 20000); } onRotationInterval(); diff --git a/dashboard-ui/bower_components/emby-webcomponents/browserdeviceprofile.js b/dashboard-ui/bower_components/emby-webcomponents/browserdeviceprofile.js index 39050760ee..4d564b3666 100644 --- a/dashboard-ui/bower_components/emby-webcomponents/browserdeviceprofile.js +++ b/dashboard-ui/bower_components/emby-webcomponents/browserdeviceprofile.js @@ -216,7 +216,7 @@ define(['browser'], function (browser) { var mp3Added = false; if (canPlayMkv || canPlayTs) { - if (supportsMp3VideoAudio) { + if (supportsMp3VideoAudio && !browser.tizen) { mp3Added = true; videoAudioCodecs.push('mp3'); hlsVideoAudioCodecs.push('mp3'); @@ -314,7 +314,7 @@ define(['browser'], function (browser) { }); } - if (canPlayTs) { + if (canPlayTs && options.supportsCustomSeeking) { profile.TranscodingProfiles.push({ Container: 'ts', Type: 'Video', diff --git a/dashboard-ui/bower_components/hls.js/.bower.json b/dashboard-ui/bower_components/hls.js/.bower.json index 4b91d17174..a504fa9f3b 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": "0.5.39", + "version": "0.5.40", "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": "0.5.39", + "_release": "0.5.40", "_resolution": { "type": "version", - "tag": "v0.5.39", - "commit": "4a4a95907809da3c7391740000804a9b95355dce" + "tag": "v0.5.40", + "commit": "878b91d51073a6f4d7b6528c204208c3e2a4cf48" }, "_source": "git://github.com/dailymotion/hls.js.git", "_target": "~0.5.7", diff --git a/dashboard-ui/bower_components/hls.js/API.md b/dashboard-ui/bower_components/hls.js/API.md index 92b0d02d72..c8811218f7 100644 --- a/dashboard-ui/bower_components/hls.js/API.md +++ b/dashboard-ui/bower_components/hls.js/API.md @@ -474,19 +474,38 @@ whether or not to enable CEA-708 captions parameter should be a boolean -#### ```abrEwmaFast``` -(default : 0.0) +#### ```abrEwmaFastLive``` +(default : 5.0) -Fast bitrate Exponential moving average half-life , used to compute average bitrate -Half of the estimate is based on the last abrEwmaFast seconds of sample history. +Fast bitrate Exponential moving average half-life , used to compute average bitrate for Live streams +Half of the estimate is based on the last abrEwmaFastLive seconds of sample history. +Each of the sample is weighted by the fragment loading duration. parameter should be a float greater than 0 -#### ```abrEwmaSlow``` -(default : 0.0) +#### ```abrEwmaSlowLive``` +(default : 9.0) -Slow bitrate Exponential moving average half-life , used to compute average bitrate -Half of the estimate is based on the last abrEwmaFast seconds of sample history. -parameter should be a float greater than abrEwmaFast +Slow bitrate Exponential moving average half-life , used to compute average bitrate for Live streams +Half of the estimate is based on the last abrEwmaSlowLive seconds of sample history. +Each of the sample is weighted by the fragment loading duration. +parameter should be a float greater than abrEwmaFastLive + + +#### ```abrEwmaFastVoD``` +(default : 4.0) + +Fast bitrate Exponential moving average half-life , used to compute average bitrate for VoD streams +Half of the estimate is based on the last abrEwmaFastVoD seconds of sample history. +Each of the sample is weighted by the fragment loading duration. +parameter should be a float greater than 0 + +#### ```abrEwmaSlowVoD``` +(default : 15.0) + +Slow bitrate Exponential moving average half-life , used to compute average bitrate for VoD streams +Half of the estimate is based on the last abrEwmaSlowVoD seconds of sample history. +Each of the sample is weighted by the fragment loading duration. +parameter should be a float greater than abrEwmaFastVoD #### ```abrBandWidthFactor``` diff --git a/dashboard-ui/bower_components/hls.js/bower.json b/dashboard-ui/bower_components/hls.js/bower.json index 3a3ffb484b..74828a1024 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": "0.5.39", + "version": "0.5.40", "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/design.md b/dashboard-ui/bower_components/hls.js/design.md index 9188f96c2e..eb9e6abb15 100644 --- a/dashboard-ui/bower_components/hls.js/design.md +++ b/dashboard-ui/bower_components/hls.js/design.md @@ -22,10 +22,6 @@ design idea is pretty simple : - if there are holes in video.buffered, smaller than config.maxBufferHole, they will be ignored. - retrieve URL of fragment matching with this media position, and appropriate quality level - trigger FRAG_LOADING event - - **monitor fragment loading speed** (by monitoring data received from FRAG_LOAD_PROGRESS event) - - "expected time of fragment load completion" is computed using "fragment loading instant bandwidth". - - this time is compared to the "expected time of buffer starvation". - - if we have less than 2 fragments buffered and if "expected time of fragment load completion" is bigger than "expected time of buffer starvation" and also bigger than duration needed to load fragment at next quality level (determined by auto quality switch algorithm), current fragment loading is aborted, stream-controller will **trigger an emergency switch down**. - **trigger fragment demuxing** on FRAG_LOADED - trigger BUFFER_RESET on MANIFEST_PARSED or startLoad() - trigger BUFFER_CODECS on FRAG_PARSING_INIT_SEGMENT @@ -52,7 +48,11 @@ design idea is pretty simple : - [src/controller/abr-controller.js][] - in charge of determining auto quality level. - - auto quality switch algorithm is pretty naive and simple ATM and similar to the one that could be found in google [StageFright](https://android.googlesource.com/platform/frameworks/av/+/master/media/libstagefright/httplive/LiveSession.cpp) + - auto quality switch algorithm is bitrate based : fragment loading bitrate is monitored and smoothed using 2 exponential weighted moving average (a fast one, to adapt quickly on bandwidth drop and a slow one, to avoid ramping up to quickly on bandwidth increase) + - in charge of **monitoring fragment loading speed** (by monitoring data received from FRAG_LOAD_PROGRESS event) + - "expected time of fragment load completion" is computed using "fragment loading instant bandwidth". + - this time is compared to the "expected time of buffer starvation". + - if we have less than 2 fragments buffered and if "expected time of fragment load completion" is bigger than "expected time of buffer starvation" and also bigger than duration needed to load fragment at next quality level (determined by auto quality switch algorithm), current fragment loading is aborted, stream-controller will **trigger an emergency switch down**. - [src/controller/cap-level-controller.js][] - in charge of determining best quality level to actual size (dimensions: width and height) of the player - [src/crypt/aes.js][] diff --git a/dashboard-ui/bower_components/hls.js/dist/hls.js b/dashboard-ui/bower_components/hls.js/dist/hls.js index 72cf84a5e8..ad394a9849 100644 --- a/dashboard-ui/bower_components/hls.js/dist/hls.js +++ b/dashboard-ui/bower_components/hls.js/dist/hls.js @@ -418,7 +418,6 @@ var AbrController = function (_EventHandler) { _this._autoLevelCapping = -1; _this._nextAutoLevel = -1; _this.hls = hls; - _this.bwEstimator = new _ewmaBandwidthEstimator2.default(hls); _this.onCheck = _this.abandonRulesCheck.bind(_this); return _this; } @@ -435,6 +434,27 @@ var AbrController = function (_EventHandler) { if (!this.timer) { this.timer = setInterval(this.onCheck, 100); } + + // lazy init of bw Estimator, rationale is that we use different params for Live/VoD + // so we need to wait for stream manifest / playlist type to instantiate it. + if (!this.bwEstimator) { + var hls = this.hls, + level = data.frag.level, + isLive = hls.levels[level].details.live, + config = hls.config, + ewmaFast = void 0, + ewmaSlow = void 0; + + if (isLive) { + ewmaFast = config.abrEwmaFastLive; + ewmaSlow = config.abrEwmaSlowLive; + } else { + ewmaFast = config.abrEwmaFastVoD; + ewmaSlow = config.abrEwmaSlowVoD; + } + this.bwEstimator = new _ewmaBandwidthEstimator2.default(hls, ewmaSlow, ewmaFast); + } + var frag = data.frag; frag.trequest = performance.now(); this.fragCurrent = frag; @@ -993,9 +1013,10 @@ var BufferController = function (_EventHandler) { } else { // QuotaExceededError: http://www.w3.org/TR/html5/infrastructure.html#quotaexceedederror // let's stop appending any segments, and report BUFFER_FULL_ERROR error - segments = []; + this.segments = []; event.details = _errors.ErrorDetails.BUFFER_FULL_ERROR; hls.trigger(_events2.default.ERROR, event); + return; } } } @@ -1230,33 +1251,28 @@ function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { de function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } var EwmaBandWidthEstimator = function () { - function EwmaBandWidthEstimator(hls) { + function EwmaBandWidthEstimator(hls, slow, fast) { _classCallCheck(this, EwmaBandWidthEstimator); this.hls = hls; this.defaultEstimate_ = 5e5; // 500kbps this.minWeight_ = 0.001; this.minDelayMs_ = 50; + this.slow_ = new _ewma2.default(slow); + this.fast_ = new _ewma2.default(fast); } _createClass(EwmaBandWidthEstimator, [{ key: 'sample', value: function sample(durationMs, numBytes) { durationMs = Math.max(durationMs, this.minDelayMs_); - var bandwidth = 8000 * numBytes / durationMs; + var bandwidth = 8000 * numBytes / durationMs, + //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); + weight = durationMs / 1000; + this.fast_.sample(weight, bandwidth); + this.slow_.sample(weight, bandwidth); } }, { key: 'getEstimate', @@ -1959,8 +1975,21 @@ var StreamController = function (_EventHandler) { //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); + var deltaPTS = fragPrevious.deltaPTS, + curSNIdx = frag.sn - levelDetails.startSN; + // if there is a significant delta between audio and video, larger than max allowed hole, + // it might be because video fragment does not start with a keyframe. + // let's try to load previous fragment again to get last keyframe + // then we will reload again current fragment (that way we should be able to fill the buffer hole ...) + if (deltaPTS && deltaPTS > config.maxBufferHole) { + frag = fragments[curSNIdx - 1]; + _logger.logger.warn('SN just loaded, with large PTS gap between audio and video, maybe frag is not starting with a keyframe ? load previous one to try to overcome this'); + // decrement previous frag load counter to avoid frag loop loading error when next fragment will get reloaded + fragPrevious.loadCounter--; + } else { + frag = fragments[curSNIdx + 1]; + _logger.logger.log('SN just loaded, load next one: ' + frag.sn); + } } else { // have we reached end of VOD playlist ? if (!levelDetails.live) { @@ -1973,7 +2002,7 @@ var StreamController = function (_EventHandler) { this.state = State.ENDED; } } - return; + break; } } //logger.log(' loading frag ' + i +',pos/bufEnd:' + pos.toFixed(3) + '/' + bufferEnd.toFixed(3)); @@ -2654,11 +2683,15 @@ var StreamController = function (_EventHandler) { } break; case _errors.ErrorDetails.BUFFER_FULL_ERROR: - // trigger a smooth level switch to empty buffers - // also reduce max buffer length as it might be too high. we do this to avoid loop flushing ... - this.config.maxMaxBufferLength /= 2; - _logger.logger.warn('reduce max buffer length to ' + this.config.maxMaxBufferLength + 's and trigger a nextLevelSwitch to flush old buffer and fix QuotaExceededError'); - this.nextLevelSwitch(); + // only reduce max buf len if in appending state + if (this.state === State.PARSING || this.state === State.PARSED) { + // reduce max buffer length as it might be too high. we do this to avoid loop flushing ... + this.config.maxMaxBufferLength /= 2; + _logger.logger.warn('reduce max buffer length to ' + this.config.maxMaxBufferLength + 's and switch to IDLE state'); + // increase fragment load Index to avoid frag loop loading error after buffer flush + this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold; + this.state = State.IDLE; + } break; default: break; @@ -5765,6 +5798,13 @@ var LevelHelper = function () { fragments = details.fragments; frag = fragments[fragIdx]; if (!isNaN(frag.startPTS)) { + // delta PTS between audio and video + var deltaPTS = Math.abs(frag.startPTS - startPTS); + if (isNaN(frag.deltaPTS)) { + frag.deltaPTS = deltaPTS; + } else { + frag.deltaPTS = Math.max(deltaPTS, frag.deltaPTS); + } startPTS = Math.min(startPTS, frag.startPTS); endPTS = Math.max(endPTS, frag.endPTS); startDTS = Math.min(startDTS, frag.startDTS); @@ -5966,8 +6006,10 @@ var Hls = function () { timelineController: _timelineController2.default, enableCEA708Captions: true, enableMP2TPassThrough: false, - abrEwmaFast: 0, - abrEwmaSlow: 0, + abrEwmaFastLive: 5, + abrEwmaSlowLive: 9, + abrEwmaFastVoD: 4, + abrEwmaSlowVoD: 15, abrBandWidthFactor: 0.8, abrBandWidthUpFactor: 0.7 }; @@ -7509,6 +7551,14 @@ var MP4Remuxer = function () { dtsnorm, flags, samples = []; + + // handle broken streams with PTS < DTS, tolerance up 200ms (18000 in 90kHz timescale) + var PTSDTSshift = track.samples.reduce(function (prev, curr) { + return Math.max(Math.min(prev, curr.pts - curr.dts), -18000); + }, 0); + if (PTSDTSshift < 0) { + _logger.logger.warn('PTS < DTS detected in video samples, shifting DTS by ' + Math.round(PTSDTSshift / 90) + ' ms to overcome this issue'); + } /* concatenate the video data and construct the mdat in place (need 8 more bytes to fill length and mpdat type) */ mdat = new Uint8Array(track.len + 4 * track.nbNalu + 8); @@ -7528,10 +7578,11 @@ var MP4Remuxer = function () { mp4SampleLength += 4 + unit.data.byteLength; } pts = avcSample.pts - this._initDTS; - dts = avcSample.dts - this._initDTS; - // ensure DTS is not bigger than PTS + // shift dts by PTSDTSshift, to ensure that PTS >= DTS + dts = avcSample.dts - this._initDTS + PTSDTSshift; + // ensure DTS is not bigger than PTS // strap belt !!! dts = Math.min(pts, dts); - //logger.log(`Video/PTS/DTS:${Math.round(pts/90)}/${Math.round(dts/90)}`); + //logger.log(`Video/PTS/DTS/ptsnorm/DTSnorm:${Math.round(avcSample.pts/90)}/${Math.round(avcSample.dts/90)}/${Math.round(pts/90)}/${Math.round(dts/90)}`); // if not first AVC sample of video track, normalize PTS/DTS with previous sample value // and ensure that sample duration is positive if (lastDTS !== undefined) { @@ -7574,7 +7625,7 @@ var MP4Remuxer = function () { firstPTS = Math.max(0, ptsnorm); firstDTS = Math.max(0, dtsnorm); } - //console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${avcSample.pts}/${avcSample.dts}/${this._initDTS}/${ptsnorm}/${dtsnorm}/${(avcSample.pts/4294967296).toFixed(3)}'); + //console.log(`PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${avcSample.pts}/${avcSample.dts}/${this._initDTS}/${ptsnorm}/${dtsnorm}/${(avcSample.pts/4294967296).toFixed(3)}); mp4Sample = { size: mp4SampleLength, duration: 0, 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 45b18b1252..419d2a7461 100644 --- a/dashboard-ui/bower_components/hls.js/dist/hls.js.map +++ b/dashboard-ui/bower_components/hls.js/dist/hls.js.map @@ -44,19 +44,19 @@ "src/utils/xhr-loader.js" ], "names": [], - "mappings": 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"file": "generated.js", "sourceRoot": "", "sourcesContent": [ "(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 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 let frag = data.frag;\n frag.trequest = performance.now();\n this.fragCurrent = 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 levels = hls.levels,\n loadRate = Math.max(1,frag.loaded * 1000 / requestDelay), // byte/s; at least 1 byte/s to avoid division by zero\n // compute expected fragment length using frag duration and level bitrate. also ensure that expected len is gte than already loaded size\n expectedLen = Math.max(frag.loaded, Math.round(frag.duration * levels[frag.level].bitrate / 8));\n\n let pos = v.currentTime;\n let fragLoadedDelay = (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 * 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 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 * 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.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\n // lazy init of bw Estimator, rationale is that we use different params for Live/VoD\n // so we need to wait for stream manifest / playlist type to instantiate it.\n if (!this.bwEstimator) {\n let hls = this.hls,\n level = data.frag.level,\n isLive = hls.levels[level].details.live,\n config = hls.config,\n ewmaFast, ewmaSlow;\n\n if (isLive) {\n ewmaFast = config.abrEwmaFastLive;\n ewmaSlow = config.abrEwmaSlowLive;\n } else {\n ewmaFast = config.abrEwmaFastVoD;\n ewmaSlow = config.abrEwmaSlowVoD;\n }\n this.bwEstimator = new EwmaBandWidthEstimator(hls,ewmaSlow,ewmaFast);\n }\n\n let frag = data.frag;\n frag.trequest = performance.now();\n this.fragCurrent = 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 levels = hls.levels,\n loadRate = Math.max(1,frag.loaded * 1000 / requestDelay), // byte/s; at least 1 byte/s to avoid division by zero\n // compute expected fragment length using frag duration and level bitrate. also ensure that expected len is gte than already loaded size\n expectedLen = Math.max(frag.loaded, Math.round(frag.duration * levels[frag.level].bitrate / 8));\n\n let pos = v.currentTime;\n let fragLoadedDelay = (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 * 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 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 this.segments = [];\n event.details = ErrorDetails.BUFFER_FULL_ERROR;\n hls.trigger(Event.ERROR,event);\n return;\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 }\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_ || 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,slow,fast) {\n this.hls = hls;\n this.defaultEstimate_ = 5e5; // 500kbps\n this.minWeight_ = 0.001;\n this.minDelayMs_ = 50;\n this.slow_ = new EWMA(slow);\n this.fast_ = new EWMA(fast);\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 weight = durationMs / 1000;\n this.fast_.sample(weight,bandwidth);\n this.slow_.sample(weight,bandwidth);\n }\n\n\n getEstimate() {\n if (!this.fast_ || 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, 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 let liveSyncPosition = start + Math.max(0, levelDetails.totalduration - targetLatency);\n logger.log(`buffer end: ${bufferEnd} is located too far from the end of live sliding playlist, reset currentTime to : ${liveSyncPosition.toFixed(3)}`);\n bufferEnd = liveSyncPosition;\n if (media && media.readyState && media.duration > liveSyncPosition) {\n media.currentTime = liveSyncPosition;\n }\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 // 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 frag.autoLevel = hls.autoLevelEnabled;\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 ${this.config.maxMaxBufferLength}s and trigger a nextLevelSwitch to flush old buffer and fix QuotaExceededError`);\n this.nextLevelSwitch();\n break;\n default:\n break;\n }\n }\n\n_checkBuffer() {\n var media = this.media;\n // if ready state different from HAVE_NOTHING (numeric value 0), we are allowed to seek\n if(media && media.readyState) {\n let currentTime = media.currentTime,\n buffered = media.buffered;\n // adjust currentTime to start position on loaded metadata\n if(!this.loadedmetadata && buffered.length) {\n this.loadedmetadata = true;\n // only adjust currentTime if startPosition not equal to 0\n let startPosition = this.startPosition;\n // if currentTime === 0 AND not matching with expected startPosition\n if (!currentTime && currentTime !== startPosition) {\n if (startPosition) {\n logger.log(`target start position:${startPosition}`);\n // at that stage, there should be only one buffered range, as we reach that code after first fragment has been\n let bufferStart = buffered.start(0),\n bufferEnd = buffered.end(0);\n // if startPosition not buffered, let's seek to buffered.start(0)\n if(startPosition < bufferStart || startPosition > bufferEnd) {\n startPosition = bufferStart;\n logger.log(`target start position not buffered, seek to buffered.start(0) ${bufferStart}`);\n }\n logger.log(`adjust currentTime from ${currentTime} to ${startPosition}`);\n media.currentTime = startPosition;\n }\n }\n } else {\n let bufferInfo = BufferHelper.bufferInfo(media,currentTime,0),\n expectedPlaying = !(media.paused || // not playing when media is paused\n media.ended || // not playing when media is ended\n media.buffered.length === 0), // not playing if nothing buffered\n jumpThreshold = 0.4, // tolerance needed as some browsers stalls playback before reaching buffered range end\n playheadMoving = currentTime > media.playbackRate*this.lastCurrentTime;\n\n if (this.stalled && playheadMoving) {\n this.stalled = false;\n logger.log(`playback not stuck anymore @${currentTime}`);\n }\n // check buffer upfront\n // if less than jumpThreshold second is buffered, let's check in more details\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 to start of next buffer range if 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 }\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 let liveSyncPosition = start + Math.max(0, levelDetails.totalduration - targetLatency);\n logger.log(`buffer end: ${bufferEnd} is located too far from the end of live sliding playlist, reset currentTime to : ${liveSyncPosition.toFixed(3)}`);\n bufferEnd = liveSyncPosition;\n if (media && media.readyState && media.duration > liveSyncPosition) {\n media.currentTime = liveSyncPosition;\n }\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 let deltaPTS = fragPrevious.deltaPTS,\n curSNIdx = frag.sn - levelDetails.startSN;\n // if there is a significant delta between audio and video, larger than max allowed hole,\n // it might be because video fragment does not start with a keyframe.\n // let's try to load previous fragment again to get last keyframe\n // then we will reload again current fragment (that way we should be able to fill the buffer hole ...)\n if (deltaPTS && deltaPTS > config.maxBufferHole) {\n frag = fragments[curSNIdx-1];\n logger.warn(`SN just loaded, with large PTS gap between audio and video, maybe frag is not starting with a keyframe ? load previous one to try to overcome this`);\n // decrement previous frag load counter to avoid frag loop loading error when next fragment will get reloaded\n fragPrevious.loadCounter--;\n } else {\n frag = fragments[curSNIdx+1];\n logger.log(`SN just loaded, load next one: ${frag.sn}`);\n }\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 break;\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 // 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 frag.autoLevel = hls.autoLevelEnabled;\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 // only reduce max buf len if in appending state\n if (this.state === State.PARSING || this.state === State.PARSED) {\n // 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 ${this.config.maxMaxBufferLength}s and switch to IDLE state`);\n // increase fragment load Index to avoid frag loop loading error after buffer flush\n this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold;\n this.state = State.IDLE;\n }\n break;\n default:\n break;\n }\n }\n\n_checkBuffer() {\n var media = this.media;\n // if ready state different from HAVE_NOTHING (numeric value 0), we are allowed to seek\n if(media && media.readyState) {\n let currentTime = media.currentTime,\n buffered = media.buffered;\n // adjust currentTime to start position on loaded metadata\n if(!this.loadedmetadata && buffered.length) {\n this.loadedmetadata = true;\n // only adjust currentTime if startPosition not equal to 0\n let startPosition = this.startPosition;\n // if currentTime === 0 AND not matching with expected startPosition\n if (!currentTime && currentTime !== startPosition) {\n if (startPosition) {\n logger.log(`target start position:${startPosition}`);\n // at that stage, there should be only one buffered range, as we reach that code after first fragment has been\n let bufferStart = buffered.start(0),\n bufferEnd = buffered.end(0);\n // if startPosition not buffered, let's seek to buffered.start(0)\n if(startPosition < bufferStart || startPosition > bufferEnd) {\n startPosition = bufferStart;\n logger.log(`target start position not buffered, seek to buffered.start(0) ${bufferStart}`);\n }\n logger.log(`adjust currentTime from ${currentTime} to ${startPosition}`);\n media.currentTime = startPosition;\n }\n }\n } else {\n let bufferInfo = BufferHelper.bufferInfo(media,currentTime,0),\n expectedPlaying = !(media.paused || // not playing when media is paused\n media.ended || // not playing when media is ended\n media.buffered.length === 0), // not playing if nothing buffered\n jumpThreshold = 0.4, // tolerance needed as some browsers stalls playback before reaching buffered range end\n playheadMoving = currentTime > media.playbackRate*this.lastCurrentTime;\n\n if (this.stalled && playheadMoving) {\n this.stalled = false;\n logger.log(`playback not stuck anymore @${currentTime}`);\n }\n // check buffer upfront\n // if less than jumpThreshold second is buffered, let's check in more details\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 to start of next buffer range if 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 }\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", @@ -73,14 +73,14 @@ "/*\n*\n* All objects in the event handling chain should inherit from this class\n*\n*/\n\nimport {logger} from './utils/logger';\nimport {ErrorTypes, ErrorDetails} from './errors';\nimport Event from './events';\n\nclass EventHandler {\n\n constructor(hls, ...events) {\n this.hls = hls;\n this.onEvent = this.onEvent.bind(this);\n this.handledEvents = events;\n this.useGenericHandler = true;\n\n this.registerListeners();\n }\n\n destroy() {\n this.unregisterListeners();\n }\n\n isEventHandler() {\n return typeof this.handledEvents === 'object' && this.handledEvents.length && typeof this.onEvent === 'function';\n }\n\n registerListeners() {\n if (this.isEventHandler()) {\n this.handledEvents.forEach(function(event) {\n if (event === 'hlsEventGeneric') {\n throw new Error('Forbidden event name: ' + event);\n }\n this.hls.on(event, this.onEvent);\n }.bind(this));\n }\n }\n\n unregisterListeners() {\n if (this.isEventHandler()) {\n this.handledEvents.forEach(function(event) {\n this.hls.off(event, this.onEvent);\n }.bind(this));\n }\n }\n\n /*\n * arguments: event (string), data (any)\n */\n onEvent(event, data) {\n this.onEventGeneric(event, data);\n }\n\n onEventGeneric(event, data) {\n var eventToFunction = function(event, data) {\n var funcName = 'on' + event.replace('hls', '');\n if (typeof this[funcName] !== 'function') {\n throw new Error(`Event ${event} has no generic handler in this ${this.constructor.name} class (tried ${funcName})`);\n }\n return this[funcName].bind(this, data);\n };\n try {\n eventToFunction.call(this, event, data).call();\n } catch (err) {\n logger.error(`internal error happened while processing ${event}:${err.message}`);\n this.hls.trigger(Event.ERROR, {type: ErrorTypes.OTHER_ERROR, details: ErrorDetails.INTERNAL_EXCEPTION, fatal: false, event : event, err : err});\n }\n }\n}\n\nexport default EventHandler;\n", "module.exports = {\n // fired before MediaSource is attaching to media element - data: { media }\n MEDIA_ATTACHING: 'hlsMediaAttaching',\n // fired when MediaSource has been succesfully attached to media element - data: { }\n MEDIA_ATTACHED: 'hlsMediaAttached',\n // fired before detaching MediaSource from media element - data: { }\n MEDIA_DETACHING: 'hlsMediaDetaching',\n // fired when MediaSource has been detached from media element - data: { }\n MEDIA_DETACHED: 'hlsMediaDetached',\n // fired when we buffer is going to be resetted\n BUFFER_RESET: 'hlsBufferReset',\n // fired when we know about the codecs that we need buffers for to push into - data: {tracks : { container, codec, levelCodec, initSegment, metadata }}\n BUFFER_CODECS: 'hlsBufferCodecs',\n // fired when we append a segment to the buffer - data: { segment: segment object }\n BUFFER_APPENDING: 'hlsBufferAppending',\n // fired when we are done with appending a media segment to the buffer\n BUFFER_APPENDED: 'hlsBufferAppended',\n // fired when the stream is finished and we want to notify the media buffer that there will be no more data\n BUFFER_EOS: 'hlsBufferEos',\n // fired when the media buffer should be flushed - data {startOffset, endOffset}\n BUFFER_FLUSHING: 'hlsBufferFlushing',\n // fired when the media has been flushed\n BUFFER_FLUSHED: 'hlsBufferFlushed',\n // fired to signal that a manifest loading starts - data: { url : manifestURL}\n MANIFEST_LOADING: 'hlsManifestLoading',\n // fired after manifest has been loaded - data: { levels : [available quality levels] , url : manifestURL, stats : { trequest, tfirst, tload, mtime}}\n MANIFEST_LOADED: 'hlsManifestLoaded',\n // fired after manifest has been parsed - data: { levels : [available quality levels] , firstLevel : index of first quality level appearing in Manifest}\n MANIFEST_PARSED: 'hlsManifestParsed',\n // fired when a level playlist loading starts - data: { url : level URL level : id of level being loaded}\n LEVEL_LOADING: 'hlsLevelLoading',\n // fired when a level playlist loading finishes - data: { details : levelDetails object, level : id of loaded level, stats : { trequest, tfirst, tload, mtime} }\n LEVEL_LOADED: 'hlsLevelLoaded',\n // fired when a level's details have been updated based on previous details, after it has been loaded. - data: { details : levelDetails object, level : id of updated level }\n LEVEL_UPDATED: 'hlsLevelUpdated',\n // fired when a level's PTS information has been updated after parsing a fragment - data: { details : levelDetails object, level : id of updated level, drift: PTS drift observed when parsing last fragment }\n LEVEL_PTS_UPDATED: 'hlsLevelPtsUpdated',\n // fired when a level switch is requested - data: { level : id of new level }\n LEVEL_SWITCH: 'hlsLevelSwitch',\n // fired when a fragment loading starts - data: { frag : fragment object}\n FRAG_LOADING: 'hlsFragLoading',\n // fired when a fragment loading is progressing - data: { frag : fragment object, { trequest, tfirst, loaded}}\n FRAG_LOAD_PROGRESS: 'hlsFragLoadProgress',\n // Identifier for fragment load aborting for emergency switch down - data: {frag : fragment object}\n FRAG_LOAD_EMERGENCY_ABORTED: 'hlsFragLoadEmergencyAborted',\n // fired when a fragment loading is completed - data: { frag : fragment object, payload : fragment payload, stats : { trequest, tfirst, tload, length}}\n FRAG_LOADED: 'hlsFragLoaded',\n // fired when Init Segment has been extracted from fragment - data: { moov : moov MP4 box, codecs : codecs found while parsing fragment}\n FRAG_PARSING_INIT_SEGMENT: 'hlsFragParsingInitSegment',\n // fired when parsing sei text is completed - data: { samples : [ sei samples pes ] }\n FRAG_PARSING_USERDATA: 'hlsFragParsingUserdata',\n // fired when parsing id3 is completed - data: { samples : [ id3 samples pes ] }\n FRAG_PARSING_METADATA: 'hlsFragParsingMetadata',\n // fired when data have been extracted from fragment - data: { data1 : moof MP4 box or TS fragments, data2 : mdat MP4 box or null}\n FRAG_PARSING_DATA: 'hlsFragParsingData',\n // fired when fragment parsing is completed - data: undefined\n FRAG_PARSED: 'hlsFragParsed',\n // fired when fragment remuxed MP4 boxes have all been appended into SourceBuffer - data: { frag : fragment object, stats : { trequest, tfirst, tload, tparsed, tbuffered, length} }\n FRAG_BUFFERED: 'hlsFragBuffered',\n // fired when fragment matching with current media position is changing - data : { frag : fragment object }\n FRAG_CHANGED: 'hlsFragChanged',\n // Identifier for a FPS drop event - data: {curentDropped, currentDecoded, totalDroppedFrames}\n FPS_DROP: 'hlsFpsDrop',\n // Identifier for an error event - data: { type : error type, details : error details, fatal : if true, hls.js cannot/will not try to recover, if false, hls.js will try to recover,other error specific data}\n ERROR: 'hlsError',\n // fired when hls.js instance starts destroying. Different from MEDIA_DETACHED as one could want to detach and reattach a media to the instance of hls.js to handle mid-rolls for example\n DESTROYING: 'hlsDestroying',\n // fired when a decrypt key loading starts - data: { frag : fragment object}\n KEY_LOADING: 'hlsKeyLoading',\n // fired when a decrypt key loading is completed - data: { frag : fragment object, payload : key payload, stats : { trequest, tfirst, tload, length}}\n KEY_LOADED: 'hlsKeyLoaded',\n};\n", "/**\n * Buffer Helper class, providing methods dealing buffer length retrieval\n*/\n\n\nclass BufferHelper {\n\n static bufferInfo(media, pos,maxHoleDuration) {\n if (media) {\n var vbuffered = media.buffered, buffered = [],i;\n for (i = 0; i < vbuffered.length; i++) {\n buffered.push({start: vbuffered.start(i), end: vbuffered.end(i)});\n }\n return this.bufferedInfo(buffered,pos,maxHoleDuration);\n } else {\n return {len: 0, start: 0, end: 0, nextStart : undefined} ;\n }\n }\n\n static bufferedInfo(buffered,pos,maxHoleDuration) {\n var buffered2 = [],\n // bufferStart and bufferEnd are buffer boundaries around current video position\n bufferLen,bufferStart, bufferEnd,bufferStartNext,i;\n // sort on buffer.start/smaller end (IE does not always return sorted buffered range)\n buffered.sort(function (a, b) {\n var diff = a.start - b.start;\n if (diff) {\n return diff;\n } else {\n return b.end - a.end;\n }\n });\n // there might be some small holes between buffer time range\n // consider that holes smaller than maxHoleDuration are irrelevant and build another\n // buffer time range representations that discards those holes\n for (i = 0; i < buffered.length; i++) {\n var buf2len = buffered2.length;\n if(buf2len) {\n var buf2end = buffered2[buf2len - 1].end;\n // if small hole (value between 0 or maxHoleDuration ) or overlapping (negative)\n if((buffered[i].start - buf2end) < maxHoleDuration) {\n // merge overlapping time ranges\n // update lastRange.end only if smaller than item.end\n // e.g. [ 1, 15] with [ 2,8] => [ 1,15] (no need to modify lastRange.end)\n // whereas [ 1, 8] with [ 2,15] => [ 1,15] ( lastRange should switch from [1,8] to [1,15])\n if(buffered[i].end > buf2end) {\n buffered2[buf2len - 1].end = buffered[i].end;\n }\n } else {\n // big hole\n buffered2.push(buffered[i]);\n }\n } else {\n // first value\n buffered2.push(buffered[i]);\n }\n }\n for (i = 0, bufferLen = 0, bufferStart = bufferEnd = pos; i < buffered2.length; i++) {\n var start = buffered2[i].start,\n end = buffered2[i].end;\n //logger.log('buf start/end:' + buffered.start(i) + '/' + buffered.end(i));\n if ((pos + maxHoleDuration) >= start && pos < end) {\n // play position is inside this buffer TimeRange, retrieve end of buffer position and buffer length\n bufferStart = start;\n bufferEnd = end;\n bufferLen = bufferEnd - pos;\n } else if ((pos + maxHoleDuration) < start) {\n bufferStartNext = start;\n break;\n }\n }\n return {len: bufferLen, start: bufferStart, end: bufferEnd, nextStart : bufferStartNext};\n }\n\n}\n\nexport default BufferHelper;\n", - "/**\n * Level Helper class, providing methods dealing with playlist sliding and drift\n*/\n\nimport {logger} from '../utils/logger';\n\nclass LevelHelper {\n\n static mergeDetails(oldDetails,newDetails) {\n var start = Math.max(oldDetails.startSN,newDetails.startSN)-newDetails.startSN,\n end = Math.min(oldDetails.endSN,newDetails.endSN)-newDetails.startSN,\n delta = newDetails.startSN - oldDetails.startSN,\n oldfragments = oldDetails.fragments,\n newfragments = newDetails.fragments,\n ccOffset =0,\n PTSFrag;\n\n // check if old/new playlists have fragments in common\n if ( end < start) {\n newDetails.PTSKnown = false;\n return;\n }\n // loop through overlapping SN and update startPTS , cc, and duration if any found\n for(var i = start ; i <= end ; i++) {\n var oldFrag = oldfragments[delta+i],\n newFrag = newfragments[i];\n ccOffset = oldFrag.cc - newFrag.cc;\n if (!isNaN(oldFrag.startPTS)) {\n newFrag.start = newFrag.startPTS = oldFrag.startPTS;\n newFrag.endPTS = oldFrag.endPTS;\n newFrag.duration = oldFrag.duration;\n PTSFrag = newFrag;\n }\n }\n\n if(ccOffset) {\n logger.log(`discontinuity sliding from playlist, take drift into account`);\n for(i = 0 ; i < newfragments.length ; i++) {\n newfragments[i].cc += ccOffset;\n }\n }\n\n // if at least one fragment contains PTS info, recompute PTS information for all fragments\n if(PTSFrag) {\n LevelHelper.updateFragPTSDTS(newDetails,PTSFrag.sn,PTSFrag.startPTS,PTSFrag.endPTS,PTSFrag.startDTS,PTSFrag.endDTS);\n } else {\n // ensure that delta is within oldfragments range\n // also adjust sliding in case delta is 0 (we could have old=[50-60] and new=old=[50-61])\n // in that case we also need to adjust start offset of all fragments\n if (delta >= 0 && delta < oldfragments.length) {\n // adjust start by sliding offset\n var sliding = oldfragments[delta].start;\n for(i = 0 ; i < newfragments.length ; i++) {\n newfragments[i].start += sliding;\n }\n }\n }\n // if we are here, it means we have fragments overlapping between\n // old and new level. reliable PTS info is thus relying on old level\n newDetails.PTSKnown = oldDetails.PTSKnown;\n return;\n }\n\n static updateFragPTSDTS(details,sn,startPTS,endPTS,startDTS,endDTS) {\n var fragIdx, fragments, frag, i;\n // exit if sn out of range\n if (sn < details.startSN || sn > details.endSN) {\n return 0;\n }\n fragIdx = sn - details.startSN;\n fragments = details.fragments;\n frag = fragments[fragIdx];\n if(!isNaN(frag.startPTS)) {\n startPTS = Math.min(startPTS,frag.startPTS);\n endPTS = Math.max(endPTS, frag.endPTS);\n startDTS = Math.min(startDTS,frag.startDTS);\n endDTS = Math.max(endDTS, frag.endDTS);\n }\n\n var drift = startPTS - frag.start;\n\n frag.start = frag.startPTS = startPTS;\n frag.endPTS = endPTS;\n frag.startDTS = startDTS;\n frag.endDTS = endDTS;\n frag.duration = endPTS - startPTS;\n // adjust fragment PTS/duration from seqnum-1 to frag 0\n for(i = fragIdx ; i > 0 ; i--) {\n LevelHelper.updatePTS(fragments,i,i-1);\n }\n\n // adjust fragment PTS/duration from seqnum to last frag\n for(i = fragIdx ; i < fragments.length - 1 ; i++) {\n LevelHelper.updatePTS(fragments,i,i+1);\n }\n details.PTSKnown = true;\n //logger.log(` frag start/end:${startPTS.toFixed(3)}/${endPTS.toFixed(3)}`);\n\n return drift;\n }\n\n static updatePTS(fragments,fromIdx, toIdx) {\n var fragFrom = fragments[fromIdx],fragTo = fragments[toIdx], fragToPTS = fragTo.startPTS;\n // if we know startPTS[toIdx]\n if(!isNaN(fragToPTS)) {\n // update fragment duration.\n // it helps to fix drifts between playlist reported duration and fragment real duration\n if (toIdx > fromIdx) {\n fragFrom.duration = fragToPTS-fragFrom.start;\n if(fragFrom.duration < 0) {\n logger.error(`negative duration computed for frag ${fragFrom.sn},level ${fragFrom.level}, there should be some duration drift between playlist and fragment!`);\n }\n } else {\n fragTo.duration = fragFrom.start - fragToPTS;\n if(fragTo.duration < 0) {\n logger.error(`negative duration computed for frag ${fragTo.sn},level ${fragTo.level}, there should be some duration drift between playlist and fragment!`);\n }\n }\n } else {\n // we dont know startPTS[toIdx]\n if (toIdx > fromIdx) {\n fragTo.start = fragFrom.start + fragFrom.duration;\n } else {\n fragTo.start = fragFrom.start - fragTo.duration;\n }\n }\n }\n}\n\nexport default LevelHelper;\n", - "/**\n * HLS interface\n */\n'use strict';\n\nimport Event from './events';\nimport {ErrorTypes, ErrorDetails} from './errors';\nimport PlaylistLoader from './loader/playlist-loader';\nimport FragmentLoader from './loader/fragment-loader';\nimport AbrController from './controller/abr-controller';\nimport BufferController from './controller/buffer-controller';\nimport CapLevelController from './controller/cap-level-controller';\nimport StreamController from './controller/stream-controller';\nimport LevelController from './controller/level-controller';\nimport TimelineController from './controller/timeline-controller';\n//import FPSController from './controller/fps-controller';\nimport {logger, enableLogs} from './utils/logger';\nimport XhrLoader from './utils/xhr-loader';\nimport EventEmitter from 'events';\nimport KeyLoader from './loader/key-loader';\n\nclass Hls {\n\n static isSupported() {\n return (window.MediaSource &&\n typeof window.MediaSource.isTypeSupported === 'function' &&\n window.MediaSource.isTypeSupported('video/mp4; codecs=\"avc1.42E01E,mp4a.40.2\"'));\n }\n\n static get Events() {\n return Event;\n }\n\n static get ErrorTypes() {\n return ErrorTypes;\n }\n\n static get ErrorDetails() {\n return ErrorDetails;\n }\n\n static get DefaultConfig() {\n if(!Hls.defaultConfig) {\n Hls.defaultConfig = {\n autoStartLoad: true,\n debug: false,\n capLevelToPlayerSize: false,\n maxBufferLength: 30,\n maxBufferSize: 60 * 1000 * 1000,\n maxBufferHole: 0.5,\n maxSeekHole: 2,\n seekHoleNudgeDuration : 0.01,\n stalledInBufferedNudgeThreshold: 10,\n maxFragLookUpTolerance : 0.2,\n liveSyncDurationCount:3,\n liveMaxLatencyDurationCount: Infinity,\n liveSyncDuration: undefined,\n liveMaxLatencyDuration: undefined,\n maxMaxBufferLength: 600,\n enableWorker: true,\n enableSoftwareAES: true,\n manifestLoadingTimeOut: 10000,\n manifestLoadingMaxRetry: 1,\n manifestLoadingRetryDelay: 1000,\n levelLoadingTimeOut: 10000,\n levelLoadingMaxRetry: 4,\n levelLoadingRetryDelay: 1000,\n fragLoadingTimeOut: 20000,\n fragLoadingMaxRetry: 6,\n fragLoadingRetryDelay: 1000,\n fragLoadingLoopThreshold: 3,\n startFragPrefetch : false,\n // fpsDroppedMonitoringPeriod: 5000,\n // fpsDroppedMonitoringThreshold: 0.2,\n appendErrorMaxRetry: 3,\n loader: XhrLoader,\n fLoader: undefined,\n pLoader: undefined,\n abrController : AbrController,\n bufferController : BufferController,\n capLevelController : CapLevelController,\n streamController: StreamController,\n timelineController: TimelineController,\n enableCEA708Captions: true,\n enableMP2TPassThrough : false,\n abrEwmaFast: 0,\n abrEwmaSlow: 0,\n abrBandWidthFactor : 0.8,\n abrBandWidthUpFactor : 0.7\n };\n }\n return Hls.defaultConfig;\n }\n\n static set DefaultConfig(defaultConfig) {\n Hls.defaultConfig = defaultConfig;\n }\n\n constructor(config = {}) {\n var defaultConfig = Hls.DefaultConfig;\n\n if ((config.liveSyncDurationCount || config.liveMaxLatencyDurationCount) && (config.liveSyncDuration || config.liveMaxLatencyDuration)) {\n throw new Error('Illegal hls.js config: don\\'t mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration');\n }\n\n for (var prop in defaultConfig) {\n if (prop in config) { continue; }\n config[prop] = defaultConfig[prop];\n }\n\n if (config.liveMaxLatencyDurationCount !== undefined && config.liveMaxLatencyDurationCount <= config.liveSyncDurationCount) {\n throw new Error('Illegal hls.js config: \"liveMaxLatencyDurationCount\" must be gt \"liveSyncDurationCount\"');\n }\n\n if (config.liveMaxLatencyDuration !== undefined && (config.liveMaxLatencyDuration <= config.liveSyncDuration || config.liveSyncDuration === undefined)) {\n throw new Error('Illegal hls.js config: \"liveMaxLatencyDuration\" must be gt \"liveSyncDuration\"');\n }\n\n enableLogs(config.debug);\n this.config = config;\n // observer setup\n var observer = this.observer = new EventEmitter();\n observer.trigger = function trigger (event, ...data) {\n observer.emit(event, event, ...data);\n };\n\n observer.off = function off (event, ...data) {\n observer.removeListener(event, ...data);\n };\n this.on = observer.on.bind(observer);\n this.off = observer.off.bind(observer);\n this.trigger = observer.trigger.bind(observer);\n this.playlistLoader = new PlaylistLoader(this);\n this.fragmentLoader = new FragmentLoader(this);\n this.levelController = new LevelController(this);\n this.abrController = new config.abrController(this);\n this.bufferController = new config.bufferController(this);\n this.capLevelController = new config.capLevelController(this);\n this.streamController = new config.streamController(this);\n this.timelineController = new config.timelineController(this);\n this.keyLoader = new KeyLoader(this);\n //this.fpsController = new FPSController(this);\n }\n\n destroy() {\n logger.log('destroy');\n this.trigger(Event.DESTROYING);\n this.detachMedia();\n this.playlistLoader.destroy();\n this.fragmentLoader.destroy();\n this.levelController.destroy();\n this.abrController.destroy();\n this.bufferController.destroy();\n this.capLevelController.destroy();\n this.streamController.destroy();\n this.timelineController.destroy();\n this.keyLoader.destroy();\n //this.fpsController.destroy();\n this.url = null;\n this.observer.removeAllListeners();\n }\n\n attachMedia(media) {\n logger.log('attachMedia');\n this.media = media;\n this.trigger(Event.MEDIA_ATTACHING, {media: media});\n }\n\n detachMedia() {\n logger.log('detachMedia');\n this.trigger(Event.MEDIA_DETACHING);\n this.media = null;\n }\n\n loadSource(url) {\n logger.log(`loadSource:${url}`);\n this.url = url;\n // when attaching to a source URL, trigger a playlist load\n this.trigger(Event.MANIFEST_LOADING, {url: url});\n }\n\n startLoad(startPosition=0) {\n logger.log('startLoad');\n this.levelController.startLoad();\n this.streamController.startLoad(startPosition);\n }\n\n stopLoad() {\n logger.log('stopLoad');\n this.levelController.stopLoad();\n this.streamController.stopLoad();\n }\n\n swapAudioCodec() {\n logger.log('swapAudioCodec');\n this.streamController.swapAudioCodec();\n }\n\n recoverMediaError() {\n logger.log('recoverMediaError');\n var media = this.media;\n this.detachMedia();\n this.attachMedia(media);\n }\n\n /** Return all quality levels **/\n get levels() {\n return this.levelController.levels;\n }\n\n /** Return current playback quality level **/\n get currentLevel() {\n return this.streamController.currentLevel;\n }\n\n /* set quality level immediately (-1 for automatic level selection) */\n set currentLevel(newLevel) {\n logger.log(`set currentLevel:${newLevel}`);\n this.loadLevel = newLevel;\n this.streamController.immediateLevelSwitch();\n }\n\n /** Return next playback quality level (quality level of next fragment) **/\n get nextLevel() {\n return this.streamController.nextLevel;\n }\n\n /* set quality level for next fragment (-1 for automatic level selection) */\n set nextLevel(newLevel) {\n logger.log(`set nextLevel:${newLevel}`);\n this.levelController.manualLevel = newLevel;\n this.streamController.nextLevelSwitch();\n }\n\n /** Return the quality level of current/last loaded fragment **/\n get loadLevel() {\n return this.levelController.level;\n }\n\n /* set quality level for current/next loaded fragment (-1 for automatic level selection) */\n set loadLevel(newLevel) {\n logger.log(`set loadLevel:${newLevel}`);\n this.levelController.manualLevel = newLevel;\n }\n\n /** Return the quality level of next loaded fragment **/\n get nextLoadLevel() {\n return this.levelController.nextLoadLevel;\n }\n\n /** set quality level of next loaded fragment **/\n set nextLoadLevel(level) {\n this.levelController.nextLoadLevel = level;\n }\n\n /** Return first level (index of first level referenced in manifest)\n **/\n get firstLevel() {\n return this.levelController.firstLevel;\n }\n\n /** set first level (index of first level referenced in manifest)\n **/\n set firstLevel(newLevel) {\n logger.log(`set firstLevel:${newLevel}`);\n this.levelController.firstLevel = newLevel;\n }\n\n /** Return start level (level of first fragment that will be played back)\n if not overrided by user, first level appearing in manifest will be used as start level\n if -1 : automatic start level selection, playback will start from level matching download bandwidth (determined from download of first segment)\n **/\n get startLevel() {\n return this.levelController.startLevel;\n }\n\n /** set start level (level of first fragment that will be played back)\n if not overrided by user, first level appearing in manifest will be used as start level\n if -1 : automatic start level selection, playback will start from level matching download bandwidth (determined from download of first segment)\n **/\n set startLevel(newLevel) {\n logger.log(`set startLevel:${newLevel}`);\n this.levelController.startLevel = newLevel;\n }\n\n /** Return the capping/max level value that could be used by automatic level selection algorithm **/\n get autoLevelCapping() {\n return this.abrController.autoLevelCapping;\n }\n\n /** set the capping/max level value that could be used by automatic level selection algorithm **/\n set autoLevelCapping(newLevel) {\n logger.log(`set autoLevelCapping:${newLevel}`);\n this.abrController.autoLevelCapping = newLevel;\n }\n\n /* check if we are in automatic level selection mode */\n get autoLevelEnabled() {\n return (this.levelController.manualLevel === -1);\n }\n\n /* return manual level */\n get manualLevel() {\n return this.levelController.manualLevel;\n }\n}\n\nexport default Hls;\n", + "/**\n * Level Helper class, providing methods dealing with playlist sliding and drift\n*/\n\nimport {logger} from '../utils/logger';\n\nclass LevelHelper {\n\n static mergeDetails(oldDetails,newDetails) {\n var start = Math.max(oldDetails.startSN,newDetails.startSN)-newDetails.startSN,\n end = Math.min(oldDetails.endSN,newDetails.endSN)-newDetails.startSN,\n delta = newDetails.startSN - oldDetails.startSN,\n oldfragments = oldDetails.fragments,\n newfragments = newDetails.fragments,\n ccOffset =0,\n PTSFrag;\n\n // check if old/new playlists have fragments in common\n if ( end < start) {\n newDetails.PTSKnown = false;\n return;\n }\n // loop through overlapping SN and update startPTS , cc, and duration if any found\n for(var i = start ; i <= end ; i++) {\n var oldFrag = oldfragments[delta+i],\n newFrag = newfragments[i];\n ccOffset = oldFrag.cc - newFrag.cc;\n if (!isNaN(oldFrag.startPTS)) {\n newFrag.start = newFrag.startPTS = oldFrag.startPTS;\n newFrag.endPTS = oldFrag.endPTS;\n newFrag.duration = oldFrag.duration;\n PTSFrag = newFrag;\n }\n }\n\n if(ccOffset) {\n logger.log(`discontinuity sliding from playlist, take drift into account`);\n for(i = 0 ; i < newfragments.length ; i++) {\n newfragments[i].cc += ccOffset;\n }\n }\n\n // if at least one fragment contains PTS info, recompute PTS information for all fragments\n if(PTSFrag) {\n LevelHelper.updateFragPTSDTS(newDetails,PTSFrag.sn,PTSFrag.startPTS,PTSFrag.endPTS,PTSFrag.startDTS,PTSFrag.endDTS);\n } else {\n // ensure that delta is within oldfragments range\n // also adjust sliding in case delta is 0 (we could have old=[50-60] and new=old=[50-61])\n // in that case we also need to adjust start offset of all fragments\n if (delta >= 0 && delta < oldfragments.length) {\n // adjust start by sliding offset\n var sliding = oldfragments[delta].start;\n for(i = 0 ; i < newfragments.length ; i++) {\n newfragments[i].start += sliding;\n }\n }\n }\n // if we are here, it means we have fragments overlapping between\n // old and new level. reliable PTS info is thus relying on old level\n newDetails.PTSKnown = oldDetails.PTSKnown;\n return;\n }\n\n static updateFragPTSDTS(details,sn,startPTS,endPTS,startDTS,endDTS) {\n var fragIdx, fragments, frag, i;\n // exit if sn out of range\n if (sn < details.startSN || sn > details.endSN) {\n return 0;\n }\n fragIdx = sn - details.startSN;\n fragments = details.fragments;\n frag = fragments[fragIdx];\n if(!isNaN(frag.startPTS)) {\n // delta PTS between audio and video\n let deltaPTS = Math.abs(frag.startPTS-startPTS);\n if (isNaN(frag.deltaPTS)) {\n frag.deltaPTS = deltaPTS;\n } else {\n frag.deltaPTS = Math.max(deltaPTS,frag.deltaPTS);\n }\n startPTS = Math.min(startPTS,frag.startPTS);\n endPTS = Math.max(endPTS, frag.endPTS);\n startDTS = Math.min(startDTS,frag.startDTS);\n endDTS = Math.max(endDTS, frag.endDTS);\n }\n\n var drift = startPTS - frag.start;\n\n frag.start = frag.startPTS = startPTS;\n frag.endPTS = endPTS;\n frag.startDTS = startDTS;\n frag.endDTS = endDTS;\n frag.duration = endPTS - startPTS;\n // adjust fragment PTS/duration from seqnum-1 to frag 0\n for(i = fragIdx ; i > 0 ; i--) {\n LevelHelper.updatePTS(fragments,i,i-1);\n }\n\n // adjust fragment PTS/duration from seqnum to last frag\n for(i = fragIdx ; i < fragments.length - 1 ; i++) {\n LevelHelper.updatePTS(fragments,i,i+1);\n }\n details.PTSKnown = true;\n //logger.log(` frag start/end:${startPTS.toFixed(3)}/${endPTS.toFixed(3)}`);\n\n return drift;\n }\n\n static updatePTS(fragments,fromIdx, toIdx) {\n var fragFrom = fragments[fromIdx],fragTo = fragments[toIdx], fragToPTS = fragTo.startPTS;\n // if we know startPTS[toIdx]\n if(!isNaN(fragToPTS)) {\n // update fragment duration.\n // it helps to fix drifts between playlist reported duration and fragment real duration\n if (toIdx > fromIdx) {\n fragFrom.duration = fragToPTS-fragFrom.start;\n if(fragFrom.duration < 0) {\n logger.error(`negative duration computed for frag ${fragFrom.sn},level ${fragFrom.level}, there should be some duration drift between playlist and fragment!`);\n }\n } else {\n fragTo.duration = fragFrom.start - fragToPTS;\n if(fragTo.duration < 0) {\n logger.error(`negative duration computed for frag ${fragTo.sn},level ${fragTo.level}, there should be some duration drift between playlist and fragment!`);\n }\n }\n } else {\n // we dont know startPTS[toIdx]\n if (toIdx > fromIdx) {\n fragTo.start = fragFrom.start + fragFrom.duration;\n } else {\n fragTo.start = fragFrom.start - fragTo.duration;\n }\n }\n }\n}\n\nexport default LevelHelper;\n", + "/**\n * HLS interface\n */\n'use strict';\n\nimport Event from './events';\nimport {ErrorTypes, ErrorDetails} from './errors';\nimport PlaylistLoader from './loader/playlist-loader';\nimport FragmentLoader from './loader/fragment-loader';\nimport AbrController from './controller/abr-controller';\nimport BufferController from './controller/buffer-controller';\nimport CapLevelController from './controller/cap-level-controller';\nimport StreamController from './controller/stream-controller';\nimport LevelController from './controller/level-controller';\nimport TimelineController from './controller/timeline-controller';\n//import FPSController from './controller/fps-controller';\nimport {logger, enableLogs} from './utils/logger';\nimport XhrLoader from './utils/xhr-loader';\nimport EventEmitter from 'events';\nimport KeyLoader from './loader/key-loader';\n\nclass Hls {\n\n static isSupported() {\n return (window.MediaSource &&\n typeof window.MediaSource.isTypeSupported === 'function' &&\n window.MediaSource.isTypeSupported('video/mp4; codecs=\"avc1.42E01E,mp4a.40.2\"'));\n }\n\n static get Events() {\n return Event;\n }\n\n static get ErrorTypes() {\n return ErrorTypes;\n }\n\n static get ErrorDetails() {\n return ErrorDetails;\n }\n\n static get DefaultConfig() {\n if(!Hls.defaultConfig) {\n Hls.defaultConfig = {\n autoStartLoad: true,\n debug: false,\n capLevelToPlayerSize: false,\n maxBufferLength: 30,\n maxBufferSize: 60 * 1000 * 1000,\n maxBufferHole: 0.5,\n maxSeekHole: 2,\n seekHoleNudgeDuration : 0.01,\n stalledInBufferedNudgeThreshold: 10,\n maxFragLookUpTolerance : 0.2,\n liveSyncDurationCount:3,\n liveMaxLatencyDurationCount: Infinity,\n liveSyncDuration: undefined,\n liveMaxLatencyDuration: undefined,\n maxMaxBufferLength: 600,\n enableWorker: true,\n enableSoftwareAES: true,\n manifestLoadingTimeOut: 10000,\n manifestLoadingMaxRetry: 1,\n manifestLoadingRetryDelay: 1000,\n levelLoadingTimeOut: 10000,\n levelLoadingMaxRetry: 4,\n levelLoadingRetryDelay: 1000,\n fragLoadingTimeOut: 20000,\n fragLoadingMaxRetry: 6,\n fragLoadingRetryDelay: 1000,\n fragLoadingLoopThreshold: 3,\n startFragPrefetch : false,\n // fpsDroppedMonitoringPeriod: 5000,\n // fpsDroppedMonitoringThreshold: 0.2,\n appendErrorMaxRetry: 3,\n loader: XhrLoader,\n fLoader: undefined,\n pLoader: undefined,\n abrController : AbrController,\n bufferController : BufferController,\n capLevelController : CapLevelController,\n streamController: StreamController,\n timelineController: TimelineController,\n enableCEA708Captions: true,\n enableMP2TPassThrough : false,\n abrEwmaFastLive: 5,\n abrEwmaSlowLive: 9,\n abrEwmaFastVoD: 4,\n abrEwmaSlowVoD: 15,\n abrBandWidthFactor : 0.8,\n abrBandWidthUpFactor : 0.7\n };\n }\n return Hls.defaultConfig;\n }\n\n static set DefaultConfig(defaultConfig) {\n Hls.defaultConfig = defaultConfig;\n }\n\n constructor(config = {}) {\n var defaultConfig = Hls.DefaultConfig;\n\n if ((config.liveSyncDurationCount || config.liveMaxLatencyDurationCount) && (config.liveSyncDuration || config.liveMaxLatencyDuration)) {\n throw new Error('Illegal hls.js config: don\\'t mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration');\n }\n\n for (var prop in defaultConfig) {\n if (prop in config) { continue; }\n config[prop] = defaultConfig[prop];\n }\n\n if (config.liveMaxLatencyDurationCount !== undefined && config.liveMaxLatencyDurationCount <= config.liveSyncDurationCount) {\n throw new Error('Illegal hls.js config: \"liveMaxLatencyDurationCount\" must be gt \"liveSyncDurationCount\"');\n }\n\n if (config.liveMaxLatencyDuration !== undefined && (config.liveMaxLatencyDuration <= config.liveSyncDuration || config.liveSyncDuration === undefined)) {\n throw new Error('Illegal hls.js config: \"liveMaxLatencyDuration\" must be gt \"liveSyncDuration\"');\n }\n\n enableLogs(config.debug);\n this.config = config;\n // observer setup\n var observer = this.observer = new EventEmitter();\n observer.trigger = function trigger (event, ...data) {\n observer.emit(event, event, ...data);\n };\n\n observer.off = function off (event, ...data) {\n observer.removeListener(event, ...data);\n };\n this.on = observer.on.bind(observer);\n this.off = observer.off.bind(observer);\n this.trigger = observer.trigger.bind(observer);\n this.playlistLoader = new PlaylistLoader(this);\n this.fragmentLoader = new FragmentLoader(this);\n this.levelController = new LevelController(this);\n this.abrController = new config.abrController(this);\n this.bufferController = new config.bufferController(this);\n this.capLevelController = new config.capLevelController(this);\n this.streamController = new config.streamController(this);\n this.timelineController = new config.timelineController(this);\n this.keyLoader = new KeyLoader(this);\n //this.fpsController = new FPSController(this);\n }\n\n destroy() {\n logger.log('destroy');\n this.trigger(Event.DESTROYING);\n this.detachMedia();\n this.playlistLoader.destroy();\n this.fragmentLoader.destroy();\n this.levelController.destroy();\n this.abrController.destroy();\n this.bufferController.destroy();\n this.capLevelController.destroy();\n this.streamController.destroy();\n this.timelineController.destroy();\n this.keyLoader.destroy();\n //this.fpsController.destroy();\n this.url = null;\n this.observer.removeAllListeners();\n }\n\n attachMedia(media) {\n logger.log('attachMedia');\n this.media = media;\n this.trigger(Event.MEDIA_ATTACHING, {media: media});\n }\n\n detachMedia() {\n logger.log('detachMedia');\n this.trigger(Event.MEDIA_DETACHING);\n this.media = null;\n }\n\n loadSource(url) {\n logger.log(`loadSource:${url}`);\n this.url = url;\n // when attaching to a source URL, trigger a playlist load\n this.trigger(Event.MANIFEST_LOADING, {url: url});\n }\n\n startLoad(startPosition=0) {\n logger.log('startLoad');\n this.levelController.startLoad();\n this.streamController.startLoad(startPosition);\n }\n\n stopLoad() {\n logger.log('stopLoad');\n this.levelController.stopLoad();\n this.streamController.stopLoad();\n }\n\n swapAudioCodec() {\n logger.log('swapAudioCodec');\n this.streamController.swapAudioCodec();\n }\n\n recoverMediaError() {\n logger.log('recoverMediaError');\n var media = this.media;\n this.detachMedia();\n this.attachMedia(media);\n }\n\n /** Return all quality levels **/\n get levels() {\n return this.levelController.levels;\n }\n\n /** Return current playback quality level **/\n get currentLevel() {\n return this.streamController.currentLevel;\n }\n\n /* set quality level immediately (-1 for automatic level selection) */\n set currentLevel(newLevel) {\n logger.log(`set currentLevel:${newLevel}`);\n this.loadLevel = newLevel;\n this.streamController.immediateLevelSwitch();\n }\n\n /** Return next playback quality level (quality level of next fragment) **/\n get nextLevel() {\n return this.streamController.nextLevel;\n }\n\n /* set quality level for next fragment (-1 for automatic level selection) */\n set nextLevel(newLevel) {\n logger.log(`set nextLevel:${newLevel}`);\n this.levelController.manualLevel = newLevel;\n this.streamController.nextLevelSwitch();\n }\n\n /** Return the quality level of current/last loaded fragment **/\n get loadLevel() {\n return this.levelController.level;\n }\n\n /* set quality level for current/next loaded fragment (-1 for automatic level selection) */\n set loadLevel(newLevel) {\n logger.log(`set loadLevel:${newLevel}`);\n this.levelController.manualLevel = newLevel;\n }\n\n /** Return the quality level of next loaded fragment **/\n get nextLoadLevel() {\n return this.levelController.nextLoadLevel;\n }\n\n /** set quality level of next loaded fragment **/\n set nextLoadLevel(level) {\n this.levelController.nextLoadLevel = level;\n }\n\n /** Return first level (index of first level referenced in manifest)\n **/\n get firstLevel() {\n return this.levelController.firstLevel;\n }\n\n /** set first level (index of first level referenced in manifest)\n **/\n set firstLevel(newLevel) {\n logger.log(`set firstLevel:${newLevel}`);\n this.levelController.firstLevel = newLevel;\n }\n\n /** Return start level (level of first fragment that will be played back)\n if not overrided by user, first level appearing in manifest will be used as start level\n if -1 : automatic start level selection, playback will start from level matching download bandwidth (determined from download of first segment)\n **/\n get startLevel() {\n return this.levelController.startLevel;\n }\n\n /** set start level (level of first fragment that will be played back)\n if not overrided by user, first level appearing in manifest will be used as start level\n if -1 : automatic start level selection, playback will start from level matching download bandwidth (determined from download of first segment)\n **/\n set startLevel(newLevel) {\n logger.log(`set startLevel:${newLevel}`);\n this.levelController.startLevel = newLevel;\n }\n\n /** Return the capping/max level value that could be used by automatic level selection algorithm **/\n get autoLevelCapping() {\n return this.abrController.autoLevelCapping;\n }\n\n /** set the capping/max level value that could be used by automatic level selection algorithm **/\n set autoLevelCapping(newLevel) {\n logger.log(`set autoLevelCapping:${newLevel}`);\n this.abrController.autoLevelCapping = newLevel;\n }\n\n /* check if we are in automatic level selection mode */\n get autoLevelEnabled() {\n return (this.levelController.manualLevel === -1);\n }\n\n /* return manual level */\n get manualLevel() {\n return this.levelController.manualLevel;\n }\n}\n\nexport default Hls;\n", "// This is mostly for support of the es6 module export\n// syntax with the babel compiler, it looks like it doesnt support\n// function exports like we are used to in node/commonjs\nmodule.exports = require('./hls.js').default;\n", "/*\n * Fragment Loader\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport {ErrorTypes, ErrorDetails} from '../errors';\n\nclass FragmentLoader extends EventHandler {\n\n constructor(hls) {\n super(hls, Event.FRAG_LOADING);\n }\n\n destroy() {\n if (this.loader) {\n this.loader.destroy();\n this.loader = null;\n }\n EventHandler.prototype.destroy.call(this);\n }\n\n onFragLoading(data) {\n var frag = data.frag;\n this.frag = frag;\n this.frag.loaded = 0;\n var config = this.hls.config;\n frag.loader = this.loader = typeof(config.fLoader) !== 'undefined' ? new config.fLoader(config) : new config.loader(config);\n this.loader.load(frag.url, 'arraybuffer', this.loadsuccess.bind(this), this.loaderror.bind(this), this.loadtimeout.bind(this), config.fragLoadingTimeOut, 1, 0, this.loadprogress.bind(this), frag);\n }\n\n loadsuccess(event, stats) {\n var payload = event.currentTarget.response;\n stats.length = payload.byteLength;\n // detach fragment loader on load success\n this.frag.loader = undefined;\n this.hls.trigger(Event.FRAG_LOADED, {payload: payload, frag: this.frag, stats: stats});\n }\n\n loaderror(event) {\n if (this.loader) {\n this.loader.abort();\n }\n this.hls.trigger(Event.ERROR, {type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.FRAG_LOAD_ERROR, fatal: false, frag: this.frag, response: event});\n }\n\n loadtimeout() {\n if (this.loader) {\n this.loader.abort();\n }\n this.hls.trigger(Event.ERROR, {type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.FRAG_LOAD_TIMEOUT, fatal: false, frag: this.frag});\n }\n\n loadprogress(event, stats) {\n this.frag.loaded = stats.loaded;\n this.hls.trigger(Event.FRAG_LOAD_PROGRESS, {frag: this.frag, stats: stats});\n }\n}\n\nexport default FragmentLoader;\n", "/*\n * Decrypt key Loader\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport {ErrorTypes, ErrorDetails} from '../errors';\n\nclass KeyLoader extends EventHandler {\n\n constructor(hls) {\n super(hls, Event.KEY_LOADING);\n this.decryptkey = null;\n this.decrypturl = null;\n }\n\n destroy() {\n if (this.loader) {\n this.loader.destroy();\n this.loader = null;\n }\n EventHandler.prototype.destroy.call(this);\n }\n\n onKeyLoading(data) {\n var frag = this.frag = data.frag,\n decryptdata = frag.decryptdata,\n uri = decryptdata.uri;\n // if uri is different from previous one or if decrypt key not retrieved yet\n if (uri !== this.decrypturl || this.decryptkey === null) {\n var config = this.hls.config;\n frag.loader = this.loader = new config.loader(config);\n this.decrypturl = uri;\n this.decryptkey = null;\n frag.loader.load(uri, 'arraybuffer', this.loadsuccess.bind(this), this.loaderror.bind(this), this.loadtimeout.bind(this), config.fragLoadingTimeOut, config.fragLoadingMaxRetry, config.fragLoadingRetryDelay, this.loadprogress.bind(this), frag);\n } else if (this.decryptkey) {\n // we already loaded this key, return it\n decryptdata.key = this.decryptkey;\n this.hls.trigger(Event.KEY_LOADED, {frag: frag});\n }\n }\n\n loadsuccess(event) {\n var frag = this.frag;\n this.decryptkey = frag.decryptdata.key = new Uint8Array(event.currentTarget.response);\n // detach fragment loader on load success\n frag.loader = undefined;\n this.hls.trigger(Event.KEY_LOADED, {frag: frag});\n }\n\n loaderror(event) {\n if (this.loader) {\n this.loader.abort();\n }\n this.hls.trigger(Event.ERROR, {type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.KEY_LOAD_ERROR, fatal: false, frag: this.frag, response: event});\n }\n\n loadtimeout() {\n if (this.loader) {\n this.loader.abort();\n }\n this.hls.trigger(Event.ERROR, {type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.KEY_LOAD_TIMEOUT, fatal: false, frag: this.frag});\n }\n\n loadprogress() {\n\n }\n}\n\nexport default KeyLoader;\n", "/**\n * Playlist Loader\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport {ErrorTypes, ErrorDetails} from '../errors';\nimport URLHelper from '../utils/url';\nimport AttrList from '../utils/attr-list';\n//import {logger} from '../utils/logger';\n\nclass PlaylistLoader extends EventHandler {\n\n constructor(hls) {\n super(hls,\n Event.MANIFEST_LOADING,\n Event.LEVEL_LOADING);\n }\n\n destroy() {\n if (this.loader) {\n this.loader.destroy();\n this.loader = null;\n }\n this.url = this.id = null;\n EventHandler.prototype.destroy.call(this);\n }\n\n onManifestLoading(data) {\n this.load(data.url, null);\n }\n\n onLevelLoading(data) {\n this.load(data.url, data.level, data.id);\n }\n\n load(url, id1, id2) {\n var config = this.hls.config,\n retry,\n timeout,\n retryDelay;\n\n if (this.loading && this.loader) {\n if (this.url === url && this.id === id1 && this.id2 === id2) {\n // same request than last pending one, don't do anything\n return;\n } else {\n // one playlist load request is pending, but with different params, abort it before loading new playlist\n this.loader.abort();\n }\n }\n\n this.url = url;\n this.id = id1;\n this.id2 = id2;\n if(this.id === null) {\n retry = config.manifestLoadingMaxRetry;\n timeout = config.manifestLoadingTimeOut;\n retryDelay = config.manifestLoadingRetryDelay;\n } else {\n retry = config.levelLoadingMaxRetry;\n timeout = config.levelLoadingTimeOut;\n retryDelay = config.levelLoadingRetryDelay;\n }\n this.loader = typeof(config.pLoader) !== 'undefined' ? new config.pLoader(config) : new config.loader(config);\n this.loading = true;\n this.loader.load(url, '', this.loadsuccess.bind(this), this.loaderror.bind(this), this.loadtimeout.bind(this), timeout, retry, retryDelay);\n }\n\n resolve(url, baseUrl) {\n return URLHelper.buildAbsoluteURL(baseUrl, url);\n }\n\n parseMasterPlaylist(string, baseurl) {\n let levels = [], result;\n\n // https://regex101.com is your friend\n const re = /#EXT-X-STREAM-INF:([^\\n\\r]*)[\\r\\n]+([^\\r\\n]+)/g;\n while ((result = re.exec(string)) != null){\n const level = {};\n\n var attrs = level.attrs = new AttrList(result[1]);\n level.url = this.resolve(result[2], baseurl);\n\n var resolution = attrs.decimalResolution('RESOLUTION');\n if(resolution) {\n level.width = resolution.width;\n level.height = resolution.height;\n }\n level.bitrate = attrs.decimalInteger('AVERAGE-BANDWIDTH') || attrs.decimalInteger('BANDWIDTH');\n level.name = attrs.NAME;\n\n var codecs = attrs.CODECS;\n if(codecs) {\n codecs = codecs.split(',');\n for (let i = 0; i < codecs.length; i++) {\n const codec = codecs[i];\n if (codec.indexOf('avc1') !== -1) {\n level.videoCodec = this.avc1toavcoti(codec);\n } else {\n level.audioCodec = codec;\n }\n }\n }\n\n levels.push(level);\n }\n return levels;\n }\n\n avc1toavcoti(codec) {\n var result, avcdata = codec.split('.');\n if (avcdata.length > 2) {\n result = avcdata.shift() + '.';\n result += parseInt(avcdata.shift()).toString(16);\n result += ('000' + parseInt(avcdata.shift()).toString(16)).substr(-4);\n } else {\n result = codec;\n }\n return result;\n }\n\n cloneObj(obj) {\n return JSON.parse(JSON.stringify(obj));\n }\n\n parseLevelPlaylist(string, baseurl, id) {\n var currentSN = 0,\n totalduration = 0,\n level = {url: baseurl, fragments: [], live: true, startSN: 0},\n levelkey = {method : null, key : null, iv : null, uri : null},\n cc = 0,\n programDateTime = null,\n frag = null,\n result,\n regexp,\n byteRangeEndOffset,\n byteRangeStartOffset;\n\n regexp = /(?:#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;\n while ((result = regexp.exec(string)) !== null) {\n result.shift();\n result = result.filter(function(n) { return (n !== undefined); });\n switch (result[0]) {\n case 'MEDIA-SEQUENCE':\n currentSN = level.startSN = parseInt(result[1]);\n break;\n case 'TARGETDURATION':\n level.targetduration = parseFloat(result[1]);\n break;\n case 'ENDLIST':\n level.live = false;\n break;\n case 'DIS':\n cc++;\n break;\n case 'BYTERANGE':\n var params = result[1].split('@');\n if (params.length === 1) {\n byteRangeStartOffset = byteRangeEndOffset;\n } else {\n byteRangeStartOffset = parseInt(params[1]);\n }\n byteRangeEndOffset = parseInt(params[0]) + byteRangeStartOffset;\n if (frag && !frag.url) {\n frag.byteRangeStartOffset = byteRangeStartOffset;\n frag.byteRangeEndOffset = byteRangeEndOffset;\n frag.url = this.resolve(result[2], baseurl);\n }\n break;\n case 'INF':\n var duration = parseFloat(result[1]);\n if (!isNaN(duration)) {\n var fragdecryptdata,\n sn = currentSN++;\n if (levelkey.method && levelkey.uri && !levelkey.iv) {\n fragdecryptdata = this.cloneObj(levelkey);\n var uint8View = new Uint8Array(16);\n for (var i = 12; i < 16; i++) {\n uint8View[i] = (sn >> 8*(15-i)) & 0xff;\n }\n fragdecryptdata.iv = uint8View;\n } else {\n fragdecryptdata = levelkey;\n }\n var url = result[2] ? this.resolve(result[2], baseurl) : null;\n frag = {url: url, duration: duration, start: totalduration, sn: sn, level: id, cc: cc, byteRangeStartOffset: byteRangeStartOffset, byteRangeEndOffset: byteRangeEndOffset, decryptdata : fragdecryptdata, programDateTime: programDateTime};\n level.fragments.push(frag);\n totalduration += duration;\n byteRangeStartOffset = null;\n programDateTime = null;\n }\n break;\n case 'KEY':\n // https://tools.ietf.org/html/draft-pantos-http-live-streaming-08#section-3.4.4\n var decryptparams = result[1];\n var keyAttrs = new AttrList(decryptparams);\n var decryptmethod = keyAttrs.enumeratedString('METHOD'),\n decrypturi = keyAttrs.URI,\n decryptiv = keyAttrs.hexadecimalInteger('IV');\n if (decryptmethod) {\n levelkey = { method: null, key: null, iv: null, uri: null };\n if ((decrypturi) && (decryptmethod === 'AES-128')) {\n levelkey.method = decryptmethod;\n // URI to get the key\n levelkey.uri = this.resolve(decrypturi, baseurl);\n levelkey.key = null;\n // Initialization Vector (IV)\n levelkey.iv = decryptiv;\n }\n }\n break;\n case 'PROGRAM-DATE-TIME':\n programDateTime = new Date(Date.parse(result[1]));\n if (frag && !frag.url && result.length >= 3) {\n frag.url = this.resolve(result[2], baseurl);\n frag.programDateTime = programDateTime;\n }\n break;\n default:\n break;\n }\n }\n //logger.log('found ' + level.fragments.length + ' fragments');\n if(frag && !frag.url) {\n level.fragments.pop();\n totalduration-=frag.duration;\n }\n level.totalduration = totalduration;\n level.endSN = currentSN - 1;\n return level;\n }\n\n loadsuccess(event, stats) {\n var target = event.currentTarget,\n string = target.responseText,\n url = target.responseURL,\n id = this.id,\n id2 = this.id2,\n hls = this.hls,\n levels;\n\n this.loading = false;\n // responseURL not supported on some browsers (it is used to detect URL redirection)\n if (url === undefined) {\n // fallback to initial URL\n url = this.url;\n }\n stats.tload = performance.now();\n stats.mtime = new Date(target.getResponseHeader('Last-Modified'));\n if (string.indexOf('#EXTM3U') === 0) {\n if (string.indexOf('#EXTINF:') > 0) {\n // 1 level playlist\n // if first request, fire manifest loaded event, level will be reloaded afterwards\n // (this is to have a uniform logic for 1 level/multilevel playlists)\n if (this.id === null) {\n hls.trigger(Event.MANIFEST_LOADED, {levels: [{url: url}], url: url, stats: stats});\n } else {\n var levelDetails = this.parseLevelPlaylist(string, url, id);\n stats.tparsed = performance.now();\n hls.trigger(Event.LEVEL_LOADED, {details: levelDetails, level: id, id: id2, stats: stats});\n }\n } else {\n levels = this.parseMasterPlaylist(string, url);\n // multi level playlist, parse level info\n if (levels.length) {\n hls.trigger(Event.MANIFEST_LOADED, {levels: levels, url: url, stats: stats});\n } else {\n hls.trigger(Event.ERROR, {type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.MANIFEST_PARSING_ERROR, fatal: true, url: url, reason: 'no level found in manifest'});\n }\n }\n } else {\n hls.trigger(Event.ERROR, {type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.MANIFEST_PARSING_ERROR, fatal: true, url: url, reason: 'no EXTM3U delimiter'});\n }\n }\n\n loaderror(event) {\n var details, fatal;\n if (this.id === null) {\n details = ErrorDetails.MANIFEST_LOAD_ERROR;\n fatal = true;\n } else {\n details = ErrorDetails.LEVEL_LOAD_ERROR;\n fatal = false;\n }\n if (this.loader) {\n this.loader.abort();\n }\n this.loading = false;\n this.hls.trigger(Event.ERROR, {type: ErrorTypes.NETWORK_ERROR, details: details, fatal: fatal, url: this.url, loader: this.loader, response: event.currentTarget, level: this.id, id: this.id2});\n }\n\n loadtimeout() {\n var details, fatal;\n if (this.id === null) {\n details = ErrorDetails.MANIFEST_LOAD_TIMEOUT;\n fatal = true;\n } else {\n details = ErrorDetails.LEVEL_LOAD_TIMEOUT;\n fatal = false;\n }\n if (this.loader) {\n this.loader.abort();\n }\n this.loading = false;\n this.hls.trigger(Event.ERROR, {type: ErrorTypes.NETWORK_ERROR, details: details, fatal: fatal, url: this.url, loader: this.loader, level: this.id, id: this.id2});\n }\n}\n\nexport default PlaylistLoader;\n", "/**\n * Generate MP4 Box\n*/\n\n//import Hex from '../utils/hex';\nclass MP4 {\n static init() {\n MP4.types = {\n avc1: [], // codingname\n avcC: [],\n btrt: [],\n dinf: [],\n dref: [],\n esds: [],\n ftyp: [],\n hdlr: [],\n mdat: [],\n mdhd: [],\n mdia: [],\n mfhd: [],\n minf: [],\n moof: [],\n moov: [],\n mp4a: [],\n mvex: [],\n mvhd: [],\n sdtp: [],\n stbl: [],\n stco: [],\n stsc: [],\n stsd: [],\n stsz: [],\n stts: [],\n tfdt: [],\n tfhd: [],\n traf: [],\n trak: [],\n trun: [],\n trex: [],\n tkhd: [],\n vmhd: [],\n smhd: []\n };\n\n var i;\n for (i in MP4.types) {\n if (MP4.types.hasOwnProperty(i)) {\n MP4.types[i] = [\n i.charCodeAt(0),\n i.charCodeAt(1),\n i.charCodeAt(2),\n i.charCodeAt(3)\n ];\n }\n }\n\n var videoHdlr = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0x76, 0x69, 0x64, 0x65, // handler_type: 'vide'\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x56, 0x69, 0x64, 0x65,\n 0x6f, 0x48, 0x61, 0x6e,\n 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'VideoHandler'\n ]);\n\n var audioHdlr = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0x73, 0x6f, 0x75, 0x6e, // handler_type: 'soun'\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x53, 0x6f, 0x75, 0x6e,\n 0x64, 0x48, 0x61, 0x6e,\n 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'SoundHandler'\n ]);\n\n MP4.HDLR_TYPES = {\n 'video': videoHdlr,\n 'audio': audioHdlr\n };\n\n var dref = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x01, // entry_count\n 0x00, 0x00, 0x00, 0x0c, // entry_size\n 0x75, 0x72, 0x6c, 0x20, // 'url' type\n 0x00, // version 0\n 0x00, 0x00, 0x01 // entry_flags\n ]);\n\n var stco = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00 // entry_count\n ]);\n\n MP4.STTS = MP4.STSC = MP4.STCO = stco;\n\n MP4.STSZ = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // sample_size\n 0x00, 0x00, 0x00, 0x00, // sample_count\n ]);\n MP4.VMHD = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x01, // flags\n 0x00, 0x00, // graphicsmode\n 0x00, 0x00,\n 0x00, 0x00,\n 0x00, 0x00 // opcolor\n ]);\n MP4.SMHD = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, // balance\n 0x00, 0x00 // reserved\n ]);\n\n MP4.STSD = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x01]);// entry_count\n\n var majorBrand = new Uint8Array([105,115,111,109]); // isom\n var avc1Brand = new Uint8Array([97,118,99,49]); // avc1\n var minorVersion = new Uint8Array([0, 0, 0, 1]);\n\n MP4.FTYP = MP4.box(MP4.types.ftyp, majorBrand, minorVersion, majorBrand, avc1Brand);\n MP4.DINF = MP4.box(MP4.types.dinf, MP4.box(MP4.types.dref, dref));\n }\n\n static box(type) {\n var\n payload = Array.prototype.slice.call(arguments, 1),\n size = 8,\n i = payload.length,\n len = i,\n result;\n // calculate the total size we need to allocate\n while (i--) {\n size += payload[i].byteLength;\n }\n result = new Uint8Array(size);\n result[0] = (size >> 24) & 0xff;\n result[1] = (size >> 16) & 0xff;\n result[2] = (size >> 8) & 0xff;\n result[3] = size & 0xff;\n result.set(type, 4);\n // copy the payload into the result\n for (i = 0, size = 8; i < len; i++) {\n // copy payload[i] array @ offset size\n result.set(payload[i], size);\n size += payload[i].byteLength;\n }\n return result;\n }\n\n static hdlr(type) {\n return MP4.box(MP4.types.hdlr, MP4.HDLR_TYPES[type]);\n }\n\n static mdat(data) {\n return MP4.box(MP4.types.mdat, data);\n }\n\n static mdhd(timescale, duration) {\n duration *= timescale;\n return MP4.box(MP4.types.mdhd, new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x03, // modification_time\n (timescale >> 24) & 0xFF,\n (timescale >> 16) & 0xFF,\n (timescale >> 8) & 0xFF,\n timescale & 0xFF, // timescale\n (duration >> 24),\n (duration >> 16) & 0xFF,\n (duration >> 8) & 0xFF,\n duration & 0xFF, // duration\n 0x55, 0xc4, // 'und' language (undetermined)\n 0x00, 0x00\n ]));\n }\n\n static mdia(track) {\n return MP4.box(MP4.types.mdia, MP4.mdhd(track.timescale, track.duration), MP4.hdlr(track.type), MP4.minf(track));\n }\n\n static mfhd(sequenceNumber) {\n return MP4.box(MP4.types.mfhd, new Uint8Array([\n 0x00,\n 0x00, 0x00, 0x00, // flags\n (sequenceNumber >> 24),\n (sequenceNumber >> 16) & 0xFF,\n (sequenceNumber >> 8) & 0xFF,\n sequenceNumber & 0xFF, // sequence_number\n ]));\n }\n\n static minf(track) {\n if (track.type === 'audio') {\n return MP4.box(MP4.types.minf, MP4.box(MP4.types.smhd, MP4.SMHD), MP4.DINF, MP4.stbl(track));\n } else {\n return MP4.box(MP4.types.minf, MP4.box(MP4.types.vmhd, MP4.VMHD), MP4.DINF, MP4.stbl(track));\n }\n }\n\n static moof(sn, baseMediaDecodeTime, track) {\n return MP4.box(MP4.types.moof, MP4.mfhd(sn), MP4.traf(track,baseMediaDecodeTime));\n }\n/**\n * @param tracks... (optional) {array} the tracks associated with this movie\n */\n static moov(tracks) {\n var\n i = tracks.length,\n boxes = [];\n\n while (i--) {\n boxes[i] = MP4.trak(tracks[i]);\n }\n\n return MP4.box.apply(null, [MP4.types.moov, MP4.mvhd(tracks[0].timescale, tracks[0].duration)].concat(boxes).concat(MP4.mvex(tracks)));\n }\n\n static mvex(tracks) {\n var\n i = tracks.length,\n boxes = [];\n\n while (i--) {\n boxes[i] = MP4.trex(tracks[i]);\n }\n return MP4.box.apply(null, [MP4.types.mvex].concat(boxes));\n }\n\n static mvhd(timescale,duration) {\n duration*=timescale;\n var\n bytes = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x01, // creation_time\n 0x00, 0x00, 0x00, 0x02, // modification_time\n (timescale >> 24) & 0xFF,\n (timescale >> 16) & 0xFF,\n (timescale >> 8) & 0xFF,\n timescale & 0xFF, // timescale\n (duration >> 24) & 0xFF,\n (duration >> 16) & 0xFF,\n (duration >> 8) & 0xFF,\n duration & 0xFF, // duration\n 0x00, 0x01, 0x00, 0x00, // 1.0 rate\n 0x01, 0x00, // 1.0 volume\n 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0xff, 0xff, 0xff, 0xff // next_track_ID\n ]);\n return MP4.box(MP4.types.mvhd, bytes);\n }\n\n static sdtp(track) {\n var\n samples = track.samples || [],\n bytes = new Uint8Array(4 + samples.length),\n flags,\n i;\n // leave the full box header (4 bytes) all zero\n // write the sample table\n for (i = 0; i < samples.length; i++) {\n flags = samples[i].flags;\n bytes[i + 4] = (flags.dependsOn << 4) |\n (flags.isDependedOn << 2) |\n (flags.hasRedundancy);\n }\n\n return MP4.box(MP4.types.sdtp, bytes);\n }\n\n static stbl(track) {\n return MP4.box(MP4.types.stbl, MP4.stsd(track), MP4.box(MP4.types.stts, MP4.STTS), MP4.box(MP4.types.stsc, MP4.STSC), MP4.box(MP4.types.stsz, MP4.STSZ), MP4.box(MP4.types.stco, MP4.STCO));\n }\n\n static avc1(track) {\n var sps = [], pps = [], i, data, len;\n // assemble the SPSs\n\n for (i = 0; i < track.sps.length; i++) {\n data = track.sps[i];\n len = data.byteLength;\n sps.push((len >>> 8) & 0xFF);\n sps.push((len & 0xFF));\n sps = sps.concat(Array.prototype.slice.call(data)); // SPS\n }\n\n // assemble the PPSs\n for (i = 0; i < track.pps.length; i++) {\n data = track.pps[i];\n len = data.byteLength;\n pps.push((len >>> 8) & 0xFF);\n pps.push((len & 0xFF));\n pps = pps.concat(Array.prototype.slice.call(data));\n }\n\n var avcc = MP4.box(MP4.types.avcC, new Uint8Array([\n 0x01, // version\n sps[3], // profile\n sps[4], // profile compat\n sps[5], // level\n 0xfc | 3, // lengthSizeMinusOne, hard-coded to 4 bytes\n 0xE0 | track.sps.length // 3bit reserved (111) + numOfSequenceParameterSets\n ].concat(sps).concat([\n track.pps.length // numOfPictureParameterSets\n ]).concat(pps))), // \"PPS\"\n width = track.width,\n height = track.height;\n //console.log('avcc:' + Hex.hexDump(avcc));\n return MP4.box(MP4.types.avc1, new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, // pre_defined\n 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n (width >> 8) & 0xFF,\n width & 0xff, // width\n (height >> 8) & 0xFF,\n height & 0xff, // height\n 0x00, 0x48, 0x00, 0x00, // horizresolution\n 0x00, 0x48, 0x00, 0x00, // vertresolution\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // frame_count\n 0x12,\n 0x64, 0x61, 0x69, 0x6C, //dailymotion/hls.js\n 0x79, 0x6D, 0x6F, 0x74,\n 0x69, 0x6F, 0x6E, 0x2F,\n 0x68, 0x6C, 0x73, 0x2E,\n 0x6A, 0x73, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, // compressorname\n 0x00, 0x18, // depth = 24\n 0x11, 0x11]), // pre_defined = -1\n avcc,\n MP4.box(MP4.types.btrt, new Uint8Array([\n 0x00, 0x1c, 0x9c, 0x80, // bufferSizeDB\n 0x00, 0x2d, 0xc6, 0xc0, // maxBitrate\n 0x00, 0x2d, 0xc6, 0xc0])) // avgBitrate\n );\n }\n\n static esds(track) {\n var configlen = track.config.length;\n return new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n\n 0x03, // descriptor_type\n 0x17+configlen, // length\n 0x00, 0x01, //es_id\n 0x00, // stream_priority\n\n 0x04, // descriptor_type\n 0x0f+configlen, // length\n 0x40, //codec : mpeg4_audio\n 0x15, // stream_type\n 0x00, 0x00, 0x00, // buffer_size\n 0x00, 0x00, 0x00, 0x00, // maxBitrate\n 0x00, 0x00, 0x00, 0x00, // avgBitrate\n\n 0x05 // descriptor_type\n ].concat([configlen]).concat(track.config).concat([0x06, 0x01, 0x02])); // GASpecificConfig)); // length + audio config descriptor\n }\n\n static mp4a(track) {\n var audiosamplerate = track.audiosamplerate;\n return MP4.box(MP4.types.mp4a, new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, track.channelCount, // channelcount\n 0x00, 0x10, // sampleSize:16bits\n 0x00, 0x00, 0x00, 0x00, // reserved2\n (audiosamplerate >> 8) & 0xFF,\n audiosamplerate & 0xff, //\n 0x00, 0x00]),\n MP4.box(MP4.types.esds, MP4.esds(track)));\n }\n\n static stsd(track) {\n if (track.type === 'audio') {\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp4a(track));\n } else {\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.avc1(track));\n }\n }\n\n static tkhd(track) {\n var id = track.id,\n duration = track.duration*track.timescale,\n width = track.width,\n height = track.height;\n return MP4.box(MP4.types.tkhd, new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x07, // flags\n 0x00, 0x00, 0x00, 0x00, // creation_time\n 0x00, 0x00, 0x00, 0x00, // modification_time\n (id >> 24) & 0xFF,\n (id >> 16) & 0xFF,\n (id >> 8) & 0xFF,\n id & 0xFF, // track_ID\n 0x00, 0x00, 0x00, 0x00, // reserved\n (duration >> 24),\n (duration >> 16) & 0xFF,\n (duration >> 8) & 0xFF,\n duration & 0xFF, // duration\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, // layer\n 0x00, 0x00, // alternate_group\n 0x00, 0x00, // non-audio track volume\n 0x00, 0x00, // reserved\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n (width >> 8) & 0xFF,\n width & 0xFF,\n 0x00, 0x00, // width\n (height >> 8) & 0xFF,\n height & 0xFF,\n 0x00, 0x00 // height\n ]));\n }\n\n static traf(track,baseMediaDecodeTime) {\n var sampleDependencyTable = MP4.sdtp(track),\n id = track.id;\n return MP4.box(MP4.types.traf,\n MP4.box(MP4.types.tfhd, new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n (id >> 24),\n (id >> 16) & 0XFF,\n (id >> 8) & 0XFF,\n (id & 0xFF) // track_ID\n ])),\n MP4.box(MP4.types.tfdt, new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n (baseMediaDecodeTime >>24),\n (baseMediaDecodeTime >> 16) & 0XFF,\n (baseMediaDecodeTime >> 8) & 0XFF,\n (baseMediaDecodeTime & 0xFF) // baseMediaDecodeTime\n ])),\n MP4.trun(track,\n sampleDependencyTable.length +\n 16 + // tfhd\n 16 + // tfdt\n 8 + // traf header\n 16 + // mfhd\n 8 + // moof header\n 8), // mdat header\n sampleDependencyTable);\n }\n\n /**\n * Generate a track box.\n * @param track {object} a track definition\n * @return {Uint8Array} the track box\n */\n static trak(track) {\n track.duration = track.duration || 0xffffffff;\n return MP4.box(MP4.types.trak, MP4.tkhd(track), MP4.mdia(track));\n }\n\n static trex(track) {\n var id = track.id;\n return MP4.box(MP4.types.trex, new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n (id >> 24),\n (id >> 16) & 0XFF,\n (id >> 8) & 0XFF,\n (id & 0xFF), // track_ID\n 0x00, 0x00, 0x00, 0x01, // default_sample_description_index\n 0x00, 0x00, 0x00, 0x00, // default_sample_duration\n 0x00, 0x00, 0x00, 0x00, // default_sample_size\n 0x00, 0x01, 0x00, 0x01 // default_sample_flags\n ]));\n }\n\n static trun(track, offset) {\n var samples= track.samples || [],\n len = samples.length,\n arraylen = 12 + (16 * len),\n array = new Uint8Array(arraylen),\n i,sample,duration,size,flags,cts;\n offset += 8 + arraylen;\n array.set([\n 0x00, // version 0\n 0x00, 0x0f, 0x01, // flags\n (len >>> 24) & 0xFF,\n (len >>> 16) & 0xFF,\n (len >>> 8) & 0xFF,\n len & 0xFF, // sample_count\n (offset >>> 24) & 0xFF,\n (offset >>> 16) & 0xFF,\n (offset >>> 8) & 0xFF,\n offset & 0xFF // data_offset\n ],0);\n for (i = 0; i < len; i++) {\n sample = samples[i];\n duration = sample.duration;\n size = sample.size;\n flags = sample.flags;\n cts = sample.cts;\n array.set([\n (duration >>> 24) & 0xFF,\n (duration >>> 16) & 0xFF,\n (duration >>> 8) & 0xFF,\n duration & 0xFF, // sample_duration\n (size >>> 24) & 0xFF,\n (size >>> 16) & 0xFF,\n (size >>> 8) & 0xFF,\n size & 0xFF, // sample_size\n (flags.isLeading << 2) | flags.dependsOn,\n (flags.isDependedOn << 6) |\n (flags.hasRedundancy << 4) |\n (flags.paddingValue << 1) |\n flags.isNonSync,\n flags.degradPrio & 0xF0 << 8,\n flags.degradPrio & 0x0F, // sample_flags\n (cts >>> 24) & 0xFF,\n (cts >>> 16) & 0xFF,\n (cts >>> 8) & 0xFF,\n cts & 0xFF // sample_composition_time_offset\n ],12+16*i);\n }\n return MP4.box(MP4.types.trun, array);\n }\n\n static initSegment(tracks) {\n if (!MP4.types) {\n MP4.init();\n }\n var movie = MP4.moov(tracks), result;\n result = new Uint8Array(MP4.FTYP.byteLength + movie.byteLength);\n result.set(MP4.FTYP);\n result.set(movie, MP4.FTYP.byteLength);\n return result;\n }\n}\n\nexport default MP4;\n", - "/**\n * fMP4 remuxer\n*/\n\n\nimport Event from '../events';\nimport {logger} from '../utils/logger';\nimport MP4 from '../remux/mp4-generator';\nimport {ErrorTypes, ErrorDetails} from '../errors';\n\nclass MP4Remuxer {\n constructor(observer) {\n this.observer = observer;\n this.ISGenerated = false;\n this.PES2MP4SCALEFACTOR = 4;\n this.PES_TIMESCALE = 90000;\n this.MP4_TIMESCALE = this.PES_TIMESCALE / this.PES2MP4SCALEFACTOR;\n }\n\n get passthrough() {\n return false;\n }\n\n destroy() {\n }\n\n insertDiscontinuity() {\n this._initPTS = this._initDTS = undefined;\n }\n\n switchLevel() {\n this.ISGenerated = false;\n }\n\n remux(audioTrack,videoTrack,id3Track,textTrack,timeOffset, contiguous) {\n // generate Init Segment if needed\n if (!this.ISGenerated) {\n this.generateIS(audioTrack,videoTrack,timeOffset);\n }\n if (this.ISGenerated) {\n //logger.log('nb AVC samples:' + videoTrack.samples.length);\n if (videoTrack.samples.length) {\n this.remuxVideo(videoTrack,timeOffset,contiguous);\n }\n //logger.log('nb AAC samples:' + audioTrack.samples.length);\n if (audioTrack.samples.length) {\n this.remuxAudio(audioTrack,timeOffset,contiguous);\n }\n }\n //logger.log('nb ID3 samples:' + audioTrack.samples.length);\n if (id3Track.samples.length) {\n this.remuxID3(id3Track,timeOffset);\n }\n //logger.log('nb ID3 samples:' + audioTrack.samples.length);\n if (textTrack.samples.length) {\n this.remuxText(textTrack,timeOffset);\n }\n //notify end of parsing\n this.observer.trigger(Event.FRAG_PARSED);\n }\n\n generateIS(audioTrack,videoTrack,timeOffset) {\n var observer = this.observer,\n audioSamples = audioTrack.samples,\n videoSamples = videoTrack.samples,\n pesTimeScale = this.PES_TIMESCALE,\n tracks = {},\n data = { tracks : tracks, unique : false },\n computePTSDTS = (this._initPTS === undefined),\n initPTS, initDTS;\n\n if (computePTSDTS) {\n initPTS = initDTS = Infinity;\n }\n if (audioTrack.config && audioSamples.length) {\n audioTrack.timescale = audioTrack.audiosamplerate;\n // MP4 duration (track duration in seconds multiplied by timescale) is coded on 32 bits\n // we know that each AAC sample contains 1024 frames....\n // in order to avoid overflowing the 32 bit counter for large duration, we use smaller timescale (timescale/gcd)\n // we just need to ensure that AAC sample duration will still be an integer (will be 1024/gcd)\n if (audioTrack.timescale * audioTrack.duration > Math.pow(2, 32)) {\n let greatestCommonDivisor = function(a, b) {\n if ( ! b) {\n return a;\n }\n return greatestCommonDivisor(b, a % b);\n };\n audioTrack.timescale = audioTrack.audiosamplerate / greatestCommonDivisor(audioTrack.audiosamplerate,1024);\n }\n logger.log ('audio mp4 timescale :'+ audioTrack.timescale);\n tracks.audio = {\n container : 'audio/mp4',\n codec : audioTrack.codec,\n initSegment : MP4.initSegment([audioTrack]),\n metadata : {\n channelCount : audioTrack.channelCount\n }\n };\n if (computePTSDTS) {\n // remember first PTS of this demuxing context. for audio, PTS + DTS ...\n initPTS = initDTS = audioSamples[0].pts - pesTimeScale * timeOffset;\n }\n }\n\n if (videoTrack.sps && videoTrack.pps && videoSamples.length) {\n videoTrack.timescale = this.MP4_TIMESCALE;\n tracks.video = {\n container : 'video/mp4',\n codec : videoTrack.codec,\n initSegment : MP4.initSegment([videoTrack]),\n metadata : {\n width : videoTrack.width,\n height : videoTrack.height\n }\n };\n if (computePTSDTS) {\n initPTS = Math.min(initPTS,videoSamples[0].pts - pesTimeScale * timeOffset);\n initDTS = Math.min(initDTS,videoSamples[0].dts - pesTimeScale * timeOffset);\n }\n }\n\n if(Object.keys(tracks).length) {\n observer.trigger(Event.FRAG_PARSING_INIT_SEGMENT,data);\n this.ISGenerated = true;\n if (computePTSDTS) {\n this._initPTS = initPTS;\n this._initDTS = initDTS;\n }\n } else {\n observer.trigger(Event.ERROR, {type : ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: false, reason: 'no audio/video samples found'});\n }\n }\n\n remuxVideo(track, timeOffset, contiguous) {\n var view,\n offset = 8,\n pesTimeScale = this.PES_TIMESCALE,\n pes2mp4ScaleFactor = this.PES2MP4SCALEFACTOR,\n avcSample,\n mp4Sample,\n mp4SampleLength,\n unit,\n mdat, moof,\n firstPTS, firstDTS, lastDTS,\n pts, dts, ptsnorm, dtsnorm,\n flags,\n samples = [];\n /* concatenate the video data and construct the mdat in place\n (need 8 more bytes to fill length and mpdat type) */\n mdat = new Uint8Array(track.len + (4 * track.nbNalu) + 8);\n view = new DataView(mdat.buffer);\n view.setUint32(0, mdat.byteLength);\n mdat.set(MP4.types.mdat, 4);\n while (track.samples.length) {\n avcSample = track.samples.shift();\n mp4SampleLength = 0;\n // convert NALU bitstream to MP4 format (prepend NALU with size field)\n while (avcSample.units.units.length) {\n unit = avcSample.units.units.shift();\n view.setUint32(offset, unit.data.byteLength);\n offset += 4;\n mdat.set(unit.data, offset);\n offset += unit.data.byteLength;\n mp4SampleLength += 4 + unit.data.byteLength;\n }\n pts = avcSample.pts - this._initDTS;\n dts = avcSample.dts - this._initDTS;\n // ensure DTS is not bigger than PTS\n dts = Math.min(pts,dts);\n //logger.log(`Video/PTS/DTS:${Math.round(pts/90)}/${Math.round(dts/90)}`);\n // if not first AVC sample of video track, normalize PTS/DTS with previous sample value\n // and ensure that sample duration is positive\n if (lastDTS !== undefined) {\n ptsnorm = this._PTSNormalize(pts, lastDTS);\n dtsnorm = this._PTSNormalize(dts, lastDTS);\n var sampleDuration = (dtsnorm - lastDTS) / pes2mp4ScaleFactor;\n if (sampleDuration <= 0) {\n logger.log(`invalid sample duration at PTS/DTS: ${avcSample.pts}/${avcSample.dts}:${sampleDuration}`);\n sampleDuration = 1;\n }\n mp4Sample.duration = sampleDuration;\n } else {\n let nextAvcDts, delta;\n if (contiguous) {\n nextAvcDts = this.nextAvcDts;\n } else {\n nextAvcDts = timeOffset*pesTimeScale;\n }\n // first AVC sample of video track, normalize PTS/DTS\n ptsnorm = this._PTSNormalize(pts, nextAvcDts);\n dtsnorm = this._PTSNormalize(dts, nextAvcDts);\n delta = Math.round((dtsnorm - nextAvcDts) / 90);\n // if fragment are contiguous, detect hole/overlapping between fragments\n if (contiguous) {\n if (delta) {\n if (delta > 1) {\n logger.log(`AVC:${delta} ms hole between fragments detected,filling it`);\n } else if (delta < -1) {\n logger.log(`AVC:${(-delta)} ms overlapping between fragments detected`);\n }\n // set DTS to next DTS\n dtsnorm = nextAvcDts;\n // offset PTS as well, ensure that PTS is smaller or equal than new DTS\n ptsnorm = Math.max(ptsnorm - delta, dtsnorm);\n logger.log(`Video/PTS/DTS adjusted: ${ptsnorm}/${dtsnorm},delta:${delta}`);\n }\n }\n // remember first PTS of our avcSamples, ensure value is positive\n firstPTS = Math.max(0, ptsnorm);\n firstDTS = Math.max(0, dtsnorm);\n }\n //console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${avcSample.pts}/${avcSample.dts}/${this._initDTS}/${ptsnorm}/${dtsnorm}/${(avcSample.pts/4294967296).toFixed(3)}');\n mp4Sample = {\n size: mp4SampleLength,\n duration: 0,\n cts: (ptsnorm - dtsnorm) / pes2mp4ScaleFactor,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0\n }\n };\n flags = mp4Sample.flags;\n if (avcSample.key === true) {\n // the current sample is a key frame\n flags.dependsOn = 2;\n flags.isNonSync = 0;\n } else {\n flags.dependsOn = 1;\n flags.isNonSync = 1;\n }\n samples.push(mp4Sample);\n lastDTS = dtsnorm;\n }\n var lastSampleDuration = 0;\n if (samples.length >= 2) {\n lastSampleDuration = samples[samples.length - 2].duration;\n mp4Sample.duration = lastSampleDuration;\n }\n // next AVC sample DTS should be equal to last sample DTS + last sample duration\n this.nextAvcDts = dtsnorm + lastSampleDuration * pes2mp4ScaleFactor;\n track.len = 0;\n track.nbNalu = 0;\n if(samples.length && navigator.userAgent.toLowerCase().indexOf('chrome') > -1) {\n flags = samples[0].flags;\n // chrome workaround, mark first sample as being a Random Access Point to avoid sourcebuffer append issue\n // https://code.google.com/p/chromium/issues/detail?id=229412\n flags.dependsOn = 2;\n flags.isNonSync = 0;\n }\n track.samples = samples;\n moof = MP4.moof(track.sequenceNumber++, firstDTS / pes2mp4ScaleFactor, track);\n track.samples = [];\n this.observer.trigger(Event.FRAG_PARSING_DATA, {\n data1: moof,\n data2: mdat,\n startPTS: firstPTS / pesTimeScale,\n endPTS: (ptsnorm + pes2mp4ScaleFactor * lastSampleDuration) / pesTimeScale,\n startDTS: firstDTS / pesTimeScale,\n endDTS: this.nextAvcDts / pesTimeScale,\n type: 'video',\n nb: samples.length\n });\n }\n\n remuxAudio(track,timeOffset, contiguous) {\n var view,\n offset = 8,\n pesTimeScale = this.PES_TIMESCALE,\n mp4timeScale = track.timescale,\n pes2mp4ScaleFactor = pesTimeScale/mp4timeScale,\n expectedSampleDuration = track.timescale * 1024 / track.audiosamplerate,\n aacSample, mp4Sample,\n unit,\n mdat, moof,\n firstPTS, firstDTS, lastDTS,\n pts, dts, ptsnorm, dtsnorm,\n samples = [],\n samples0 = [];\n\n track.samples.sort(function(a, b) {\n return (a.pts-b.pts);\n });\n samples0 = track.samples;\n\n while (samples0.length) {\n aacSample = samples0.shift();\n unit = aacSample.unit;\n pts = aacSample.pts - this._initDTS;\n dts = aacSample.dts - this._initDTS;\n //logger.log(`Audio/PTS:${Math.round(pts/90)}`);\n // if not first sample\n if (lastDTS !== undefined) {\n ptsnorm = this._PTSNormalize(pts, lastDTS);\n dtsnorm = this._PTSNormalize(dts, lastDTS);\n // let's compute sample duration.\n // sample Duration should be close to expectedSampleDuration\n mp4Sample.duration = (dtsnorm - lastDTS) / pes2mp4ScaleFactor;\n if(Math.abs(mp4Sample.duration - expectedSampleDuration) > expectedSampleDuration/10) {\n // more than 10% diff between sample duration and expectedSampleDuration .... lets log that\n logger.log(`invalid AAC sample duration at PTS ${Math.round(pts/90)},should be 1024,found :${Math.round(mp4Sample.duration*track.audiosamplerate/track.timescale)}`);\n }\n // always adjust sample duration to avoid av sync issue\n mp4Sample.duration = expectedSampleDuration;\n ptsnorm = dtsnorm = expectedSampleDuration * pes2mp4ScaleFactor + lastDTS;\n } else {\n let nextAacPts, delta;\n if (contiguous) {\n nextAacPts = this.nextAacPts;\n } else {\n nextAacPts = timeOffset*pesTimeScale;\n }\n ptsnorm = this._PTSNormalize(pts, nextAacPts);\n dtsnorm = this._PTSNormalize(dts, nextAacPts);\n delta = Math.round(1000 * (ptsnorm - nextAacPts) / pesTimeScale);\n // if fragment are contiguous, detect hole/overlapping between fragments\n if (contiguous) {\n // log delta\n if (delta) {\n if (delta > 0) {\n logger.log(`${delta} ms hole between AAC samples detected,filling it`);\n // if we have frame overlap, overlapping for more than half a frame duration\n } else if (delta < -12) {\n // drop overlapping audio frames... browser will deal with it\n logger.log(`${(-delta)} ms overlapping between AAC samples detected, drop frame`);\n track.len -= unit.byteLength;\n continue;\n }\n // set PTS/DTS to next PTS/DTS\n ptsnorm = dtsnorm = nextAacPts;\n }\n }\n // remember first PTS of our aacSamples, ensure value is positive\n firstPTS = Math.max(0, ptsnorm);\n firstDTS = Math.max(0, dtsnorm);\n if(track.len > 0) {\n /* concatenate the audio data and construct the mdat in place\n (need 8 more bytes to fill length and mdat type) */\n mdat = new Uint8Array(track.len + 8);\n view = new DataView(mdat.buffer);\n view.setUint32(0, mdat.byteLength);\n mdat.set(MP4.types.mdat, 4);\n } else {\n // no audio samples\n return;\n }\n }\n mdat.set(unit, offset);\n offset += unit.byteLength;\n //console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${aacSample.pts}/${aacSample.dts}/${this._initDTS}/${ptsnorm}/${dtsnorm}/${(aacSample.pts/4294967296).toFixed(3)}');\n mp4Sample = {\n size: unit.byteLength,\n cts: 0,\n duration:0,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: 1,\n }\n };\n samples.push(mp4Sample);\n lastDTS = dtsnorm;\n }\n var lastSampleDuration = 0;\n var nbSamples = samples.length;\n //set last sample duration as being identical to previous sample\n if (nbSamples >= 2) {\n lastSampleDuration = samples[nbSamples - 2].duration;\n mp4Sample.duration = lastSampleDuration;\n }\n if (nbSamples) {\n // next aac sample PTS should be equal to last sample PTS + duration\n this.nextAacPts = ptsnorm + pes2mp4ScaleFactor * lastSampleDuration;\n //logger.log('Audio/PTS/PTSend:' + aacSample.pts.toFixed(0) + '/' + this.nextAacDts.toFixed(0));\n track.len = 0;\n track.samples = samples;\n moof = MP4.moof(track.sequenceNumber++, firstDTS / pes2mp4ScaleFactor, track);\n track.samples = [];\n this.observer.trigger(Event.FRAG_PARSING_DATA, {\n data1: moof,\n data2: mdat,\n startPTS: firstPTS / pesTimeScale,\n endPTS: this.nextAacPts / pesTimeScale,\n startDTS: firstDTS / pesTimeScale,\n endDTS: (dtsnorm + pes2mp4ScaleFactor * lastSampleDuration) / pesTimeScale,\n type: 'audio',\n nb: nbSamples\n });\n }\n }\n\n remuxID3(track,timeOffset) {\n var length = track.samples.length, sample;\n // consume samples\n if(length) {\n for(var index = 0; index < length; index++) {\n sample = track.samples[index];\n // setting id3 pts, dts to relative time\n // using this._initPTS and this._initDTS to calculate relative time\n sample.pts = ((sample.pts - this._initPTS) / this.PES_TIMESCALE);\n sample.dts = ((sample.dts - this._initDTS) / this.PES_TIMESCALE);\n }\n this.observer.trigger(Event.FRAG_PARSING_METADATA, {\n samples:track.samples\n });\n }\n\n track.samples = [];\n timeOffset = timeOffset;\n }\n\n remuxText(track,timeOffset) {\n track.samples.sort(function(a, b) {\n return (a.pts-b.pts);\n });\n\n var length = track.samples.length, sample;\n // consume samples\n if(length) {\n for(var index = 0; index < length; index++) {\n sample = track.samples[index];\n // setting text pts, dts to relative time\n // using this._initPTS and this._initDTS to calculate relative time\n sample.pts = ((sample.pts - this._initPTS) / this.PES_TIMESCALE);\n }\n this.observer.trigger(Event.FRAG_PARSING_USERDATA, {\n samples:track.samples\n });\n }\n\n track.samples = [];\n timeOffset = timeOffset;\n }\n\n _PTSNormalize(value, reference) {\n var offset;\n if (reference === undefined) {\n return value;\n }\n if (reference < value) {\n // - 2^33\n offset = -8589934592;\n } else {\n // + 2^33\n offset = 8589934592;\n }\n /* PTS is 33bit (from 0 to 2^33 -1)\n if diff between value and reference is bigger than half of the amplitude (2^32) then it means that\n PTS looping occured. fill the gap */\n while (Math.abs(value - reference) > 4294967296) {\n value += offset;\n }\n return value;\n }\n\n}\n\nexport default MP4Remuxer;\n", + "/**\n * fMP4 remuxer\n*/\n\n\nimport Event from '../events';\nimport {logger} from '../utils/logger';\nimport MP4 from '../remux/mp4-generator';\nimport {ErrorTypes, ErrorDetails} from '../errors';\n\nclass MP4Remuxer {\n constructor(observer) {\n this.observer = observer;\n this.ISGenerated = false;\n this.PES2MP4SCALEFACTOR = 4;\n this.PES_TIMESCALE = 90000;\n this.MP4_TIMESCALE = this.PES_TIMESCALE / this.PES2MP4SCALEFACTOR;\n }\n\n get passthrough() {\n return false;\n }\n\n destroy() {\n }\n\n insertDiscontinuity() {\n this._initPTS = this._initDTS = undefined;\n }\n\n switchLevel() {\n this.ISGenerated = false;\n }\n\n remux(audioTrack,videoTrack,id3Track,textTrack,timeOffset, contiguous) {\n // generate Init Segment if needed\n if (!this.ISGenerated) {\n this.generateIS(audioTrack,videoTrack,timeOffset);\n }\n if (this.ISGenerated) {\n //logger.log('nb AVC samples:' + videoTrack.samples.length);\n if (videoTrack.samples.length) {\n this.remuxVideo(videoTrack,timeOffset,contiguous);\n }\n //logger.log('nb AAC samples:' + audioTrack.samples.length);\n if (audioTrack.samples.length) {\n this.remuxAudio(audioTrack,timeOffset,contiguous);\n }\n }\n //logger.log('nb ID3 samples:' + audioTrack.samples.length);\n if (id3Track.samples.length) {\n this.remuxID3(id3Track,timeOffset);\n }\n //logger.log('nb ID3 samples:' + audioTrack.samples.length);\n if (textTrack.samples.length) {\n this.remuxText(textTrack,timeOffset);\n }\n //notify end of parsing\n this.observer.trigger(Event.FRAG_PARSED);\n }\n\n generateIS(audioTrack,videoTrack,timeOffset) {\n var observer = this.observer,\n audioSamples = audioTrack.samples,\n videoSamples = videoTrack.samples,\n pesTimeScale = this.PES_TIMESCALE,\n tracks = {},\n data = { tracks : tracks, unique : false },\n computePTSDTS = (this._initPTS === undefined),\n initPTS, initDTS;\n\n if (computePTSDTS) {\n initPTS = initDTS = Infinity;\n }\n if (audioTrack.config && audioSamples.length) {\n audioTrack.timescale = audioTrack.audiosamplerate;\n // MP4 duration (track duration in seconds multiplied by timescale) is coded on 32 bits\n // we know that each AAC sample contains 1024 frames....\n // in order to avoid overflowing the 32 bit counter for large duration, we use smaller timescale (timescale/gcd)\n // we just need to ensure that AAC sample duration will still be an integer (will be 1024/gcd)\n if (audioTrack.timescale * audioTrack.duration > Math.pow(2, 32)) {\n let greatestCommonDivisor = function(a, b) {\n if ( ! b) {\n return a;\n }\n return greatestCommonDivisor(b, a % b);\n };\n audioTrack.timescale = audioTrack.audiosamplerate / greatestCommonDivisor(audioTrack.audiosamplerate,1024);\n }\n logger.log ('audio mp4 timescale :'+ audioTrack.timescale);\n tracks.audio = {\n container : 'audio/mp4',\n codec : audioTrack.codec,\n initSegment : MP4.initSegment([audioTrack]),\n metadata : {\n channelCount : audioTrack.channelCount\n }\n };\n if (computePTSDTS) {\n // remember first PTS of this demuxing context. for audio, PTS + DTS ...\n initPTS = initDTS = audioSamples[0].pts - pesTimeScale * timeOffset;\n }\n }\n\n if (videoTrack.sps && videoTrack.pps && videoSamples.length) {\n videoTrack.timescale = this.MP4_TIMESCALE;\n tracks.video = {\n container : 'video/mp4',\n codec : videoTrack.codec,\n initSegment : MP4.initSegment([videoTrack]),\n metadata : {\n width : videoTrack.width,\n height : videoTrack.height\n }\n };\n if (computePTSDTS) {\n initPTS = Math.min(initPTS,videoSamples[0].pts - pesTimeScale * timeOffset);\n initDTS = Math.min(initDTS,videoSamples[0].dts - pesTimeScale * timeOffset);\n }\n }\n\n if(Object.keys(tracks).length) {\n observer.trigger(Event.FRAG_PARSING_INIT_SEGMENT,data);\n this.ISGenerated = true;\n if (computePTSDTS) {\n this._initPTS = initPTS;\n this._initDTS = initDTS;\n }\n } else {\n observer.trigger(Event.ERROR, {type : ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: false, reason: 'no audio/video samples found'});\n }\n }\n\n remuxVideo(track, timeOffset, contiguous) {\n var view,\n offset = 8,\n pesTimeScale = this.PES_TIMESCALE,\n pes2mp4ScaleFactor = this.PES2MP4SCALEFACTOR,\n avcSample,\n mp4Sample,\n mp4SampleLength,\n unit,\n mdat, moof,\n firstPTS, firstDTS, lastDTS,\n pts, dts, ptsnorm, dtsnorm,\n flags,\n samples = [];\n\n // handle broken streams with PTS < DTS, tolerance up 200ms (18000 in 90kHz timescale)\n let PTSDTSshift = track.samples.reduce( (prev, curr) => Math.max(Math.min(prev,curr.pts-curr.dts),-18000),0);\n if (PTSDTSshift < 0) {\n logger.warn(`PTS < DTS detected in video samples, shifting DTS by ${Math.round(PTSDTSshift/90)} ms to overcome this issue`);\n }\n /* concatenate the video data and construct the mdat in place\n (need 8 more bytes to fill length and mpdat type) */\n mdat = new Uint8Array(track.len + (4 * track.nbNalu) + 8);\n view = new DataView(mdat.buffer);\n view.setUint32(0, mdat.byteLength);\n mdat.set(MP4.types.mdat, 4);\n while (track.samples.length) {\n avcSample = track.samples.shift();\n mp4SampleLength = 0;\n // convert NALU bitstream to MP4 format (prepend NALU with size field)\n while (avcSample.units.units.length) {\n unit = avcSample.units.units.shift();\n view.setUint32(offset, unit.data.byteLength);\n offset += 4;\n mdat.set(unit.data, offset);\n offset += unit.data.byteLength;\n mp4SampleLength += 4 + unit.data.byteLength;\n }\n pts = avcSample.pts - this._initDTS;\n // shift dts by PTSDTSshift, to ensure that PTS >= DTS\n dts = avcSample.dts - this._initDTS + PTSDTSshift;\n // ensure DTS is not bigger than PTS // strap belt !!!\n dts = Math.min(pts,dts);\n //logger.log(`Video/PTS/DTS/ptsnorm/DTSnorm:${Math.round(avcSample.pts/90)}/${Math.round(avcSample.dts/90)}/${Math.round(pts/90)}/${Math.round(dts/90)}`);\n // if not first AVC sample of video track, normalize PTS/DTS with previous sample value\n // and ensure that sample duration is positive\n if (lastDTS !== undefined) {\n ptsnorm = this._PTSNormalize(pts, lastDTS);\n dtsnorm = this._PTSNormalize(dts, lastDTS);\n var sampleDuration = (dtsnorm - lastDTS) / pes2mp4ScaleFactor;\n if (sampleDuration <= 0) {\n logger.log(`invalid sample duration at PTS/DTS: ${avcSample.pts}/${avcSample.dts}:${sampleDuration}`);\n sampleDuration = 1;\n }\n mp4Sample.duration = sampleDuration;\n } else {\n let nextAvcDts, delta;\n if (contiguous) {\n nextAvcDts = this.nextAvcDts;\n } else {\n nextAvcDts = timeOffset*pesTimeScale;\n }\n // first AVC sample of video track, normalize PTS/DTS\n ptsnorm = this._PTSNormalize(pts, nextAvcDts);\n dtsnorm = this._PTSNormalize(dts, nextAvcDts);\n delta = Math.round((dtsnorm - nextAvcDts) / 90);\n // if fragment are contiguous, detect hole/overlapping between fragments\n if (contiguous) {\n if (delta) {\n if (delta > 1) {\n logger.log(`AVC:${delta} ms hole between fragments detected,filling it`);\n } else if (delta < -1) {\n logger.log(`AVC:${(-delta)} ms overlapping between fragments detected`);\n }\n // set DTS to next DTS\n dtsnorm = nextAvcDts;\n // offset PTS as well, ensure that PTS is smaller or equal than new DTS\n ptsnorm = Math.max(ptsnorm - delta, dtsnorm);\n logger.log(`Video/PTS/DTS adjusted: ${ptsnorm}/${dtsnorm},delta:${delta}`);\n }\n }\n // remember first PTS of our avcSamples, ensure value is positive\n firstPTS = Math.max(0, ptsnorm);\n firstDTS = Math.max(0, dtsnorm);\n }\n //console.log(`PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${avcSample.pts}/${avcSample.dts}/${this._initDTS}/${ptsnorm}/${dtsnorm}/${(avcSample.pts/4294967296).toFixed(3)});\n mp4Sample = {\n size: mp4SampleLength,\n duration: 0,\n cts: (ptsnorm - dtsnorm) / pes2mp4ScaleFactor,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0\n }\n };\n flags = mp4Sample.flags;\n if (avcSample.key === true) {\n // the current sample is a key frame\n flags.dependsOn = 2;\n flags.isNonSync = 0;\n } else {\n flags.dependsOn = 1;\n flags.isNonSync = 1;\n }\n samples.push(mp4Sample);\n lastDTS = dtsnorm;\n }\n var lastSampleDuration = 0;\n if (samples.length >= 2) {\n lastSampleDuration = samples[samples.length - 2].duration;\n mp4Sample.duration = lastSampleDuration;\n }\n // next AVC sample DTS should be equal to last sample DTS + last sample duration\n this.nextAvcDts = dtsnorm + lastSampleDuration * pes2mp4ScaleFactor;\n track.len = 0;\n track.nbNalu = 0;\n if(samples.length && navigator.userAgent.toLowerCase().indexOf('chrome') > -1) {\n flags = samples[0].flags;\n // chrome workaround, mark first sample as being a Random Access Point to avoid sourcebuffer append issue\n // https://code.google.com/p/chromium/issues/detail?id=229412\n flags.dependsOn = 2;\n flags.isNonSync = 0;\n }\n track.samples = samples;\n moof = MP4.moof(track.sequenceNumber++, firstDTS / pes2mp4ScaleFactor, track);\n track.samples = [];\n this.observer.trigger(Event.FRAG_PARSING_DATA, {\n data1: moof,\n data2: mdat,\n startPTS: firstPTS / pesTimeScale,\n endPTS: (ptsnorm + pes2mp4ScaleFactor * lastSampleDuration) / pesTimeScale,\n startDTS: firstDTS / pesTimeScale,\n endDTS: this.nextAvcDts / pesTimeScale,\n type: 'video',\n nb: samples.length\n });\n }\n\n remuxAudio(track,timeOffset, contiguous) {\n var view,\n offset = 8,\n pesTimeScale = this.PES_TIMESCALE,\n mp4timeScale = track.timescale,\n pes2mp4ScaleFactor = pesTimeScale/mp4timeScale,\n expectedSampleDuration = track.timescale * 1024 / track.audiosamplerate,\n aacSample, mp4Sample,\n unit,\n mdat, moof,\n firstPTS, firstDTS, lastDTS,\n pts, dts, ptsnorm, dtsnorm,\n samples = [],\n samples0 = [];\n\n track.samples.sort(function(a, b) {\n return (a.pts-b.pts);\n });\n samples0 = track.samples;\n\n while (samples0.length) {\n aacSample = samples0.shift();\n unit = aacSample.unit;\n pts = aacSample.pts - this._initDTS;\n dts = aacSample.dts - this._initDTS;\n //logger.log(`Audio/PTS:${Math.round(pts/90)}`);\n // if not first sample\n if (lastDTS !== undefined) {\n ptsnorm = this._PTSNormalize(pts, lastDTS);\n dtsnorm = this._PTSNormalize(dts, lastDTS);\n // let's compute sample duration.\n // sample Duration should be close to expectedSampleDuration\n mp4Sample.duration = (dtsnorm - lastDTS) / pes2mp4ScaleFactor;\n if(Math.abs(mp4Sample.duration - expectedSampleDuration) > expectedSampleDuration/10) {\n // more than 10% diff between sample duration and expectedSampleDuration .... lets log that\n logger.log(`invalid AAC sample duration at PTS ${Math.round(pts/90)},should be 1024,found :${Math.round(mp4Sample.duration*track.audiosamplerate/track.timescale)}`);\n }\n // always adjust sample duration to avoid av sync issue\n mp4Sample.duration = expectedSampleDuration;\n ptsnorm = dtsnorm = expectedSampleDuration * pes2mp4ScaleFactor + lastDTS;\n } else {\n let nextAacPts, delta;\n if (contiguous) {\n nextAacPts = this.nextAacPts;\n } else {\n nextAacPts = timeOffset*pesTimeScale;\n }\n ptsnorm = this._PTSNormalize(pts, nextAacPts);\n dtsnorm = this._PTSNormalize(dts, nextAacPts);\n delta = Math.round(1000 * (ptsnorm - nextAacPts) / pesTimeScale);\n // if fragment are contiguous, detect hole/overlapping between fragments\n if (contiguous) {\n // log delta\n if (delta) {\n if (delta > 0) {\n logger.log(`${delta} ms hole between AAC samples detected,filling it`);\n // if we have frame overlap, overlapping for more than half a frame duration\n } else if (delta < -12) {\n // drop overlapping audio frames... browser will deal with it\n logger.log(`${(-delta)} ms overlapping between AAC samples detected, drop frame`);\n track.len -= unit.byteLength;\n continue;\n }\n // set PTS/DTS to next PTS/DTS\n ptsnorm = dtsnorm = nextAacPts;\n }\n }\n // remember first PTS of our aacSamples, ensure value is positive\n firstPTS = Math.max(0, ptsnorm);\n firstDTS = Math.max(0, dtsnorm);\n if(track.len > 0) {\n /* concatenate the audio data and construct the mdat in place\n (need 8 more bytes to fill length and mdat type) */\n mdat = new Uint8Array(track.len + 8);\n view = new DataView(mdat.buffer);\n view.setUint32(0, mdat.byteLength);\n mdat.set(MP4.types.mdat, 4);\n } else {\n // no audio samples\n return;\n }\n }\n mdat.set(unit, offset);\n offset += unit.byteLength;\n //console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${aacSample.pts}/${aacSample.dts}/${this._initDTS}/${ptsnorm}/${dtsnorm}/${(aacSample.pts/4294967296).toFixed(3)}');\n mp4Sample = {\n size: unit.byteLength,\n cts: 0,\n duration:0,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: 1,\n }\n };\n samples.push(mp4Sample);\n lastDTS = dtsnorm;\n }\n var lastSampleDuration = 0;\n var nbSamples = samples.length;\n //set last sample duration as being identical to previous sample\n if (nbSamples >= 2) {\n lastSampleDuration = samples[nbSamples - 2].duration;\n mp4Sample.duration = lastSampleDuration;\n }\n if (nbSamples) {\n // next aac sample PTS should be equal to last sample PTS + duration\n this.nextAacPts = ptsnorm + pes2mp4ScaleFactor * lastSampleDuration;\n //logger.log('Audio/PTS/PTSend:' + aacSample.pts.toFixed(0) + '/' + this.nextAacDts.toFixed(0));\n track.len = 0;\n track.samples = samples;\n moof = MP4.moof(track.sequenceNumber++, firstDTS / pes2mp4ScaleFactor, track);\n track.samples = [];\n this.observer.trigger(Event.FRAG_PARSING_DATA, {\n data1: moof,\n data2: mdat,\n startPTS: firstPTS / pesTimeScale,\n endPTS: this.nextAacPts / pesTimeScale,\n startDTS: firstDTS / pesTimeScale,\n endDTS: (dtsnorm + pes2mp4ScaleFactor * lastSampleDuration) / pesTimeScale,\n type: 'audio',\n nb: nbSamples\n });\n }\n }\n\n remuxID3(track,timeOffset) {\n var length = track.samples.length, sample;\n // consume samples\n if(length) {\n for(var index = 0; index < length; index++) {\n sample = track.samples[index];\n // setting id3 pts, dts to relative time\n // using this._initPTS and this._initDTS to calculate relative time\n sample.pts = ((sample.pts - this._initPTS) / this.PES_TIMESCALE);\n sample.dts = ((sample.dts - this._initDTS) / this.PES_TIMESCALE);\n }\n this.observer.trigger(Event.FRAG_PARSING_METADATA, {\n samples:track.samples\n });\n }\n\n track.samples = [];\n timeOffset = timeOffset;\n }\n\n remuxText(track,timeOffset) {\n track.samples.sort(function(a, b) {\n return (a.pts-b.pts);\n });\n\n var length = track.samples.length, sample;\n // consume samples\n if(length) {\n for(var index = 0; index < length; index++) {\n sample = track.samples[index];\n // setting text pts, dts to relative time\n // using this._initPTS and this._initDTS to calculate relative time\n sample.pts = ((sample.pts - this._initPTS) / this.PES_TIMESCALE);\n }\n this.observer.trigger(Event.FRAG_PARSING_USERDATA, {\n samples:track.samples\n });\n }\n\n track.samples = [];\n timeOffset = timeOffset;\n }\n\n _PTSNormalize(value, reference) {\n var offset;\n if (reference === undefined) {\n return value;\n }\n if (reference < value) {\n // - 2^33\n offset = -8589934592;\n } else {\n // + 2^33\n offset = 8589934592;\n }\n /* PTS is 33bit (from 0 to 2^33 -1)\n if diff between value and reference is bigger than half of the amplitude (2^32) then it means that\n PTS looping occured. fill the gap */\n while (Math.abs(value - reference) > 4294967296) {\n value += offset;\n }\n return value;\n }\n\n}\n\nexport default MP4Remuxer;\n", "/**\n * passthrough remuxer\n*/\nimport Event from '../events';\n\nclass PassThroughRemuxer {\n constructor(observer) {\n this.observer = observer;\n this.ISGenerated = false;\n }\n\n get passthrough() {\n return true;\n }\n\n destroy() {\n }\n\n insertDiscontinuity() {\n }\n\n switchLevel() {\n this.ISGenerated = false;\n }\n\n remux(audioTrack,videoTrack,id3Track,textTrack,timeOffset,rawData) {\n var observer = this.observer;\n // generate Init Segment if needed\n if (!this.ISGenerated) {\n var tracks = {},\n data = { tracks : tracks, unique : true },\n track = videoTrack,\n codec = track.codec;\n\n if (codec) {\n data.tracks.video = {\n container : track.container,\n codec : codec,\n metadata : {\n width : track.width,\n height : track.height\n }\n };\n }\n\n track = audioTrack;\n codec = track.codec;\n if (codec) {\n data.tracks.audio = {\n container : track.container,\n codec : codec,\n metadata : {\n channelCount : track.channelCount\n }\n };\n }\n this.ISGenerated = true;\n observer.trigger(Event.FRAG_PARSING_INIT_SEGMENT,data);\n }\n observer.trigger(Event.FRAG_PARSING_DATA, {\n data1: rawData,\n startPTS: timeOffset,\n startDTS: timeOffset,\n type: 'audiovideo',\n nb: 1\n });\n }\n}\n\nexport default PassThroughRemuxer;\n", "\n// adapted from https://github.com/kanongil/node-m3u8parse/blob/master/attrlist.js\nclass AttrList {\n\n constructor(attrs) {\n if (typeof attrs === 'string') {\n attrs = AttrList.parseAttrList(attrs);\n }\n for(var attr in attrs){\n if(attrs.hasOwnProperty(attr)) {\n this[attr] = attrs[attr];\n }\n }\n }\n\n decimalInteger(attrName) {\n const intValue = parseInt(this[attrName], 10);\n if (intValue > Number.MAX_SAFE_INTEGER) {\n return Infinity;\n }\n return intValue;\n }\n\n hexadecimalInteger(attrName) {\n if(this[attrName]) {\n let stringValue = (this[attrName] || '0x').slice(2);\n stringValue = ((stringValue.length & 1) ? '0' : '') + stringValue;\n\n const value = new Uint8Array(stringValue.length / 2);\n for (let i = 0; i < stringValue.length / 2; i++) {\n value[i] = parseInt(stringValue.slice(i * 2, i * 2 + 2), 16);\n }\n return value;\n } else {\n return null;\n }\n }\n\n hexadecimalIntegerAsNumber(attrName) {\n const intValue = parseInt(this[attrName], 16);\n if (intValue > Number.MAX_SAFE_INTEGER) {\n return Infinity;\n }\n return intValue;\n }\n\n decimalFloatingPoint(attrName) {\n return parseFloat(this[attrName]);\n }\n\n enumeratedString(attrName) {\n return this[attrName];\n }\n\n decimalResolution(attrName) {\n const res = /^(\\d+)x(\\d+)$/.exec(this[attrName]);\n if (res === null) {\n return undefined;\n }\n return {\n width: parseInt(res[1], 10),\n height: parseInt(res[2], 10)\n };\n }\n\n static parseAttrList(input) {\n const re = /\\s*(.+?)\\s*=((?:\\\".*?\\\")|.*?)(?:,|$)/g;\n var match, attrs = {};\n while ((match = re.exec(input)) !== null) {\n var value = match[2], quote = '\"';\n\n if (value.indexOf(quote) === 0 &&\n value.lastIndexOf(quote) === (value.length-1)) {\n value = value.slice(1, -1);\n }\n attrs[match[1]] = value;\n }\n return attrs;\n }\n\n}\n\nexport default AttrList;\n", "var BinarySearch = {\n /**\n * Searches for an item in an array which matches a certain condition.\n * This requires the condition to only match one item in the array,\n * and for the array to be ordered.\n *\n * @param {Array} list The array to search.\n * @param {Function} comparisonFunction\n * Called and provided a candidate item as the first argument.\n * Should return:\n * > -1 if the item should be located at a lower index than the provided item.\n * > 1 if the item should be located at a higher index than the provided item.\n * > 0 if the item is the item you're looking for.\n *\n * @return {*} The object if it is found or null otherwise.\n */\n search: function(list, comparisonFunction) {\n var minIndex = 0;\n var maxIndex = list.length - 1;\n var currentIndex = null;\n var currentElement = null;\n \n while (minIndex <= maxIndex) {\n currentIndex = (minIndex + maxIndex) / 2 | 0;\n currentElement = list[currentIndex];\n \n var comparisonResult = comparisonFunction(currentElement);\n if (comparisonResult > 0) {\n minIndex = currentIndex + 1;\n }\n else if (comparisonResult < 0) {\n maxIndex = currentIndex - 1;\n }\n else {\n return currentElement;\n }\n }\n \n return null;\n }\n};\n\nmodule.exports = BinarySearch;\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 a3ccc67961..d3b9430c6a 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 @@ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof 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0;for(e=0;r>=e;e++)if(s=e<=this.lastLoadedFragLevel?a.abrBandWidthFactor*n:a.abrBandWidthUpFactor*n,sthis._msDuration&&(t.logger.log("Updating mediasource duration to "+this._levelDuration),e.duration=this._levelDuration,this._msDuration=this._levelDuration)}}}},{key:"doFlush",value:function(){for(;this.flushRange.length;){var r=this.flushRange[0];if(!this.flushBuffer(r.start,r.end))return void(this._needsFlush=!0);this.flushRange.shift(),this.flushBufferCounter=0}if(0===this.flushRange.length){this._needsFlush=!1;var i=0,t=this.sourceBuffer;if(t)for(var a in t)i+=t[a].buffered.length;this.appended=i,this.hls.trigger(e.default.BUFFER_FLUSHED)}}},{key:"doAppending",value:function(){var n=this.hls,s=this.sourceBuffer,a=this.segments;if(s){if(this.media.error)return a=[],void t.logger.error("trying to append although a media error occured, flush segment and abort");for(var l in s)if(s[l].updating)return;if(a.length){var 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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 R,l,n,h=this.hls,o=h.config,f=this.media,b=f&&f.seeking;switch(this.state){case e.ERROR:case e.PAUSED:break;case e.STARTING:var _=h.startLevel;-1===_&&(_=0,this.fragBitrateTest=!0),this.level=h.nextLoadLevel=_,this.state=e.WAITING_LEVEL,this.loadedmetadata=!1;break;case e.IDLE:if(!f&&(this.startFragRequested||!o.startFragPrefetch))break;R=this.loadedmetadata?f.currentTime:this.nextLoadPosition,l=h.nextLoadLevel;var c,L=s.default.bufferInfo(f,R,o.maxBufferHole),D=L.len,d=L.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>D){if(h.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 u=n.fragments,g=u.length,m=u[0].start,E=u[g-1].start+u[g-1].duration,a=void 0;if(n.live){var S=void 0!==o.liveMaxLatencyDuration?o.liveMaxLatencyDuration:o.liveMaxLatencyDurationCount*n.targetduration;if(dy&&(f.currentTime=y)}if(n.PTSKnown&&d>E)break;if(this.startFragRequested&&!n.PTSKnown){if(v){var A=v.sn+1;A>=n.startSN&&A<=n.endSN&&(a=u[A-n.startSN],t.logger.log("live playlist, switching playlist, load frag with next SN: "+a.sn))}a||(a=u[Math.min(g-1,Math.round(g/2))],t.logger.log("live playlist, switching playlist, unknown, load middle frag : "+a.sn))}}else m>d&&(a=u[0]);if(a||!function(){var e=o.maxFragLookUpTolerance;E>d?((d>E-e||b)&&(e=0),a=p.default.search(u,function(t){return t.start+t.duration-e<=d?1:t.start-e>d?-1:0})):a=u[g-1]}(),a){if(m=a.start,v&&a.level===v.level&&a.sn===v.sn){if(!(a.snk&&Math.abs(this.fragLoadIdx-a.loadIdx)=T||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&&e.readyState){var n=e.currentTime,u=e.buffered;if(!this.loadedmetadata&&u.length){this.loadedmetadata=!0;var a=this.startPosition;if(!n&&n!==a&&a){t.logger.log("target start position:"+a);var l=u.start(0),v=u.end(0);(l>a||a>v)&&(a=l,t.logger.log("target start position not buffered, seek to buffered.start(0) "+l)),t.logger.log("adjust currentTime from "+n+" to "+a),e.currentTime=a}}else{var d=s.default.bufferInfo(e,n,0),g=!(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)),g&&d.len<=f&&(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),d.len<=f)){var o=d.nextStart,c=o-n;if(o&&c0){t.logger.log("adjust currentTime from "+e.currentTime+" to next buffered @ "+o+" + nudge "+this.seekHoleNudgeDuration);var p=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:p})}}}}}},{key:"onFragLoadEmergencyAborted",value:function(){this.state=e.IDLE,this.tick()}},{key:"onBufferFlushed",value:function(){var t,r,i=[];for(r=0;re;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&&"function"==typeof window.MediaSource.isTypeSupported&&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 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,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 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],v=new a.default(R),p=v.enumeratedString("METHOD"),_=v.URI,T=v.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=g-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 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t(r)+":["+e[r][0]+","+t(e[r][1])+"]"}).join(",")+"},{},["+t(h)+"])",g=window.URL||window.webkitURL||window.mozURL||window.msURL;return new Worker(g.createObjectURL(new Blob([v],{type:"text/javascript"})))}},{}],3:[function(e,m,n){"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 g(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 v(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(a,r){for(var t=0;t500*e.duration){var 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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,a=this.hls,t=a.levels,i=a.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?i.abrBandWidthFactor*n:i.abrBandWidthUpFactor*n,sthis._msDuration&&(t.logger.log("Updating mediasource duration to "+this._levelDuration),e.duration=this._levelDuration,this._msDuration=this._levelDuration)}}}},{key:"doFlush",value:function(){for(;this.flushRange.length;){var r=this.flushRange[0];if(!this.flushBuffer(r.start,r.end))return void(this._needsFlush=!0);this.flushRange.shift(),this.flushBufferCounter=0}if(0===this.flushRange.length){this._needsFlush=!1;var a=0,t=this.sourceBuffer;if(t)for(var i in t)a+=t[i].buffered.length;this.appended=a,this.hls.trigger(e.default.BUFFER_FLUSHED)}}},{key:"doAppending",value:function(){var i=this.hls,s=this.sourceBuffer,n=this.segments;if(s){if(this.media.error)return n=[],void t.logger.error("trying to append although a media error occured, flush segment and abort");for(var l in s)if(s[l].updating)return;if(n.length){var o=n.shift();try{s[o.type].appendBuffer(o.data),this.appendError=0,this.appended++}catch(s){t.logger.error("error while trying to append buffer:"+s.message),n.unshift(o);var a={type:r.ErrorTypes.MEDIA_ERROR};if(22===s.code)return this.segments=[],a.details=r.ErrorDetails.BUFFER_FULL_ERROR,void i.trigger(e.default.ERROR,a);if(this.appendError?this.appendError++:this.appendError=1,a.details=r.ErrorDetails.BUFFER_APPEND_ERROR,a.frag=this.fragCurrent,this.appendError>i.config.appendErrorMaxRetry)return t.logger.log("fail "+i.config.appendErrorMaxRetry+" times to append segment in sourceBuffer"),n=[],a.fatal=!0,void i.trigger(e.default.ERROR,a);a.fatal=!1,i.trigger(e.default.ERROR,a)}}}}},{key:"flushBuffer",value:function(l,s){var e,r,o,n,a,i;if(this.flushBufferCounter.5)return this.flushBufferCounter++,t.logger.log("flush "+u+" ["+a+","+i+"], of ["+o+","+n+"], pos:"+this.media.currentTime),e.remove(a,i),!1}else t.logger.warn("abort flushing too many retries");return t.logger.log("buffer flushed"),!0}}]),a}(s.default);i.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 i(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a 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v,L=s.default.bufferInfo(f,R,o.maxBufferHole),P=L.len,d=L.end,c=this.fragPrevious;if(this.levels[l].hasOwnProperty("bitrate")?(v=Math.max(8*o.maxBufferSize/this.levels[l].bitrate,o.maxBufferLength),v=Math.min(v,o.maxMaxBufferLength)):v=o.maxBufferLength,v>P){if(h.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 u=n.fragments,g=u.length,m=u[0].start,E=u[g-1].start+u[g-1].duration,i=void 0;if(n.live){var D=void 0!==o.liveMaxLatencyDuration?o.liveMaxLatencyDuration:o.liveMaxLatencyDurationCount*n.targetduration;if(dy&&(f.currentTime=y)}if(n.PTSKnown&&d>E)break;if(this.startFragRequested&&!n.PTSKnown){if(c){var A=c.sn+1;A>=n.startSN&&A<=n.endSN&&(i=u[A-n.startSN],t.logger.log("live playlist, switching playlist, load frag with next SN: "+i.sn))}i||(i=u[Math.min(g-1,Math.round(g/2))],t.logger.log("live playlist, switching playlist, unknown, load middle frag : "+i.sn))}}else m>d&&(i=u[0]);if(i||!function(){var e=o.maxFragLookUpTolerance;E>d?((d>E-e||b)&&(e=0),i=p.default.search(u,function(t){return t.start+t.duration-e<=d?1:t.start-e>d?-1:0})):i=u[g-1]}(),i){if(m=i.start,c&&i.level===c.level&&i.sn===c.sn){if(!(i.sno.maxBufferHole?(i=u[k-1],t.logger.warn("SN just loaded, with large PTS gap between audio and video, maybe frag is not starting with a keyframe ? load previous one to try to overcome this"), +c.loadCounter--):(i=u[k+1],t.logger.log("SN just loaded, load next one: "+i.sn))}if(null!=i.decryptdata.uri&&null==i.decryptdata.key)t.logger.log("Loading key for "+i.sn+" of ["+n.startSN+" ,"+n.endSN+"],level "+l),this.state=e.KEY_LOADING,h.trigger(r.default.KEY_LOADING,{frag:i});else{if(t.logger.log("Loading "+i.sn+" of ["+n.startSN+" ,"+n.endSN+"],level "+l+", currentTime:"+R+",bufferEnd:"+d.toFixed(3)),void 0!==this.fragLoadIdx?this.fragLoadIdx++:this.fragLoadIdx=0,i.loadCounter){i.loadCounter++;var S=o.fragLoadingLoopThreshold;if(i.loadCounter>S&&Math.abs(this.fragLoadIdx-i.loadIdx)=w||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(a){var e,t,r=this.bufferRange;if(r)for(e=r.length-1;e>=0;e--)if(t=r[e],a>=t.start&&a<=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 a=this.media;if(a)for(var t=a.buffered,e=0;e=t.start(e)&&r<=t.end(e))return!0;return!1}},{key:"_checkFragmentChanged",value:function(){var t,e,a=this.media;if(a&&a.seeking===!1&&(e=a.currentTime,e>a.playbackRate*this.lastCurrentTime&&(this.lastCurrentTime=e),this.isBuffered(e)?t=this.getBufferRange(e):this.isBuffered(e+.1)&&(t=this.getBufferRange(e+.1)),t)){var i=t.frag;i!==this.fragPlaying&&(this.fragPlaying=i,this.hls.trigger(r.default.FRAG_CHANGED,{frag:i}))}}},{key:"immediateLevelSwitch",value:function(){t.logger.log("immediateLevelSwitch"),this.immediateSwitch||(this.immediateSwitch=!0,this.previouslyPaused=this.media.paused,this.media.pause());var a=this.fragCurrent;a&&a.loader&&a.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,i=void 0,a=void 0;if(this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold,i=this.getBufferRange(t.currentTime),i&&i.start>1&&(this.state=e.PAUSED,this.hls.trigger(r.default.BUFFER_FLUSHING,{startOffset:0,endOffset:i.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(a=this.getBufferRange(t.currentTime+n),a&&(a=this.followingBufferRange(a))){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:a.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,a=!1,i=!1;r.levels.forEach(function(t){e=t.audioCodec,e&&(-1!==e.indexOf("mp4a.40.2")&&(a=!0),-1!==e.indexOf("mp4a.40.5")&&(i=!0))}),this.audioCodecSwitch=a&&i,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 a=s.details,i=s.level,o=this.levels[i],l=a.totalduration,n=0;if(t.logger.log("level "+i+" loaded ["+a.startSN+","+a.endSN+"],duration:"+l),this.levelLastLoaded=i,a.live){var d=o.details;d?(u.default.mergeDetails(d,a),n=a.fragments[0].start,a.PTSKnown?t.logger.log("live playlist sliding:"+n.toFixed(3)):t.logger.log("live playlist - outdated PTS, unknown sliding")):(a.PTSKnown=!1,t.logger.log("live playlist - first load, unknown sliding"))}else a.PTSKnown=!1;if(o.details=a,this.hls.trigger(r.default.LEVEL_UPDATED,{details:a,level:i}),this.startFragRequested===!1){if(a.live){var f=void 0!==this.config.liveSyncDuration?this.config.liveSyncDuration:this.config.liveSyncDurationCount*a.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(i){var a=this.fragCurrent;if(this.state===e.FRAG_LOADING&&a&&i.frag.level===a.level&&i.frag.sn===a.sn)if(t.logger.log("Loaded "+a.sn+" of level "+a.level),this.fragBitrateTest===!0)this.state=e.IDLE,this.fragBitrateTest=!1,this.startFragRequested=!1,i.stats.tparsed=i.stats.tbuffered=performance.now(),this.hls.trigger(r.default.FRAG_BUFFERED,{stats:i.stats,frag:a});else{this.state=e.PARSING,this.stats=i.stats;var s=this.levels[this.level],o=s.details,f=o.totalduration,h=void 0!==a.startDTS?a.startDTS:a.start,l=a.level,u=a.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(i.payload,n,s.videoCodec,h,a.cc,l,u,f,a.decryptdata)}this.fragLoadError=0}},{key:"onFragParsingInitSegment",value:function(l){if(this.state===e.PARSING){var o,a,i=l.tracks;if(a=i.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!==a.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)),a.levelCodec=n}if(a=i.video,a&&(a.levelCodec=this.levels[this.level].videoCodec),l.unique){var s={codec:"",levelCodec:""};for(o in l.tracks)a=i[o],s.container=a.container,s.codec&&(s.codec+=",",s.levelCodec+=","),a.codec&&(s.codec+=a.codec),a.levelCodec&&(s.levelCodec+=a.levelCodec);i={audiovideo:s}}this.hls.trigger(r.default.BUFFER_CODECS,i);for(o in i){a=i[o],t.logger.log("track:"+o+",container:"+a.container+",codecs[level/parsed]=["+a.levelCodec+"/"+a.codec+"]");var d=a.initSegment;d&&(this.pendingAppending++,this.hls.trigger(r.default.BUFFER_APPENDING,{type:o,data:d}))}this.tick()}}},{key:"onFragParsingData",value:function(a){var o=this;if(this.state===e.PARSING){this.tparse2=Date.now();var i=this.levels[this.level],n=this.fragCurrent;t.logger.log("parsed "+a.type+",PTS:["+a.startPTS.toFixed(3)+","+a.endPTS.toFixed(3)+"],DTS:["+a.startDTS.toFixed(3)+"/"+a.endDTS.toFixed(3)+"],nb:"+a.nb);var l=u.default.updateFragPTSDTS(i.details,n.sn,a.startPTS,a.endPTS,a.startDTS,a.endDTS),s=this.hls;s.trigger(r.default.LEVEL_PTS_UPDATED,{details:i.details,level:this.level,drift:l}),[a.data1,a.data2].forEach(function(e){e&&(o.pendingAppending++,s.trigger(r.default.BUFFER_APPENDING,{type:a.type,data:e}))}),this.nextLoadPosition=a.endPTS,this.bufferRange.push({type:a.type,start:a.startPTS,end:a.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 i=this.fragCurrent,a=this.stats;i&&(this.fragPrevious=i,a.tbuffered=performance.now(),this.fragLastKbps=Math.round(8*a.length/(a.tbuffered-a.tfirst)),this.hls.trigger(r.default.FRAG_BUFFERED,{stats:a,frag:i}),t.logger.log("media buffered : "+this.timeRangesToString(this.media.buffered)),this.state=e.IDLE),this.tick()}}},{key:"onError",value:function(i){switch(i.details){case a.ErrorDetails.FRAG_LOAD_ERROR:case a.ErrorDetails.FRAG_LOAD_TIMEOUT:if(!i.fatal){var n=this.fragLoadError;if(n?n++:n=1,n<=this.config.fragLoadingMaxRetry){this.fragLoadError=n,i.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: "+i.details+" reaches max retry, redispatch as fatal ..."),i.fatal=!0,this.hls.trigger(r.default.ERROR,i),this.state=e.ERROR}break;case a.ErrorDetails.FRAG_LOOP_LOADING_ERROR:case a.ErrorDetails.LEVEL_LOAD_ERROR:case a.ErrorDetails.LEVEL_LOAD_TIMEOUT:case a.ErrorDetails.KEY_LOAD_ERROR:case a.ErrorDetails.KEY_LOAD_TIMEOUT:this.state!==e.ERROR&&(this.state=i.fatal?e.ERROR:e.IDLE,t.logger.warn("mediaController: "+i.details+" while loading frag,switch to "+this.state+" state ..."));break;case a.ErrorDetails.BUFFER_FULL_ERROR:this.state!==e.PARSING&&this.state!==e.PARSED||(this.config.maxMaxBufferLength/=2,t.logger.warn("reduce max buffer length to "+this.config.maxMaxBufferLength+"s and switch to IDLE state"),this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold,this.state=e.IDLE)}}},{key:"_checkBuffer",value:function(){var e=this.media;if(e&&e.readyState){var n=e.currentTime,u=e.buffered;if(!this.loadedmetadata&&u.length){this.loadedmetadata=!0;var i=this.startPosition;if(!n&&n!==i&&i){t.logger.log("target start position:"+i);var l=u.start(0),g=u.end(0);(l>i||i>g)&&(i=l,t.logger.log("target start position not buffered, seek to buffered.start(0) "+l)),t.logger.log("adjust currentTime from "+n+" to "+i),e.currentTime=i}}else{var d=s.default.bufferInfo(e,n,0),v=!(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)),v&&d.len<=f&&(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:a.ErrorTypes.MEDIA_ERROR,details:a.ErrorDetails.BUFFER_STALLED_ERROR,fatal:!1}),this.stalled=!0),d.len<=f)){var o=d.nextStart,c=o-n;if(o&&c0){t.logger.log("adjust currentTime from "+e.currentTime+" to next buffered @ "+o+" + nudge "+this.seekHoleNudgeDuration);var p=o+this.seekHoleNudgeDuration-e.currentTime;e.currentTime=o+this.seekHoleNudgeDuration,this.hls.trigger(r.default.ERROR,{type:a.ErrorTypes.MEDIA_ERROR,details:a.ErrorDetails.BUFFER_SEEK_OVER_HOLE,fatal:!1,hole:p})}}}}}},{key:"onFragLoadEmergencyAborted",value:function(){this.state=e.IDLE,this.tick()}},{key:"onBufferFlushed",value:function(){var t,r,a=[];for(r=0;re;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}}]),i}(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,a){"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(a,"__esModule",{value:!0});var c=function(){function e(a,r){for(var t=0;te;e++)c[(i[e]=e<<1^283*(e>>7))^e]=e;for(a=r=0;!h[a];a^=u||1,r=c[r]||1)for(t=r^r<<1^r<<2^r<<3^r<<4,t=t>>8^255&t^99,h[a]=t,v[t]=a,d=i[f=i[u=i[a]]],l=16843009*d^65537*f^257*u^16843008*a,s=257*i[t]^16843008*t,e=0;4>e;e++)n[e][a]=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],a=b^e[1],i=_^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[a>>16&255]^u[i>>8&255]^l[255&r]^e[s],g=f[a>>>24]^d[i>>16&255]^u[r>>8&255]^l[255&t]^e[s+1],v=f[i>>>24]^d[r>>16&255]^u[t>>8&255]^l[255&a]^e[s+2],r=f[r>>>24]^d[t>>16&255]^u[a>>8&255]^l[255&i]^e[s+3],s+=4,t=h,a=g,i=v;for(n=0;4>n;n++)E[(3&-n)+m]=c[t>>>24]<<24^c[a>>16&255]<<16^c[i>>8&255]<<8^c[255&r]^e[s++],h=t,t=a,a=i,i=r,r=h}}]),e}();e.default=a},{}],11:[function(t,l,e){"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")}Object.defineProperty(e,"__esModule",{value:!0});var i=function(){function e(a,r){for(var t=0;t>8|e>>>24}},{key:"doDecrypt",value:function(a,g,i){var u,h,o,f,l,c,d,n,e,r=new Int32Array(a.buffer,a.byteOffset,a.byteLength>>2),p=new s.default(Array.prototype.slice.call(g)),v=new Uint8Array(a.byteLength),t=new Int32Array(v.buffer);for(u=~~i[0],h=~~i[1],o=~~i[2],f=~~i[3],e=0;ee&&(255!==t[e]||240!==(240&t[e+1]));e++);for(r.audiosamplerate||(i=o.default.getAudioConfig(this.observer,t,e,p),r.config=i.config,r.audiosamplerate=i.samplerate,r.channelCount=i.channelCount,r.codec=i.codec,r.duration=y,l.logger.log("parsed codec:"+r.codec+",rate:"+i.samplerate+",nb channel:"+i.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,i=new a.default(t);if(i.hasTimeStamp)for(e=i.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 a(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(t,"__esModule",{value:!0});var i=function(){function e(a,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:"+i+",ADTS data:type:"+a+",sampleingIndex:"+e+"["+d[e]+"Hz],channelConfig:"+o),-1!==f.indexOf("firefox")?e>=6?(a=5,t=new Array(4),s=e-3):(a=2,t=new Array(2),s=e):-1!==f.indexOf("android")?(a=2,t=new Array(2),s=e):(a=5,t=new Array(4),i&&(-1!==i.indexOf("mp4a.40.29")||-1!==i.indexOf("mp4a.40.5"))||!i&&e>=6?s=e-3:((i&&-1!==i.indexOf("mp4a.40.2")&&e>=6&&1===o||!i&&1===o)&&(a=2,t=new Array(2)),s=e)),t[0]=a<<3,t[0]|=(14&e)>>1,t[1]|=(1&e)<<7,t[1]|=o<<3,5===a&&(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."+a})}}]),e}();t.default=s},{"../errors":21,"../utils/logger":38}],15:[function(e,y,a){"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(a,"__esModule",{value:!0});var h=function(){function e(a,r){for(var t=0;t1?r-1:0),e=1;r>e;e++)i[e-1]=arguments[e];t.emit.apply(t,[a,a].concat(i))},t.off=function(i){for(var r=arguments.length,a=Array(r>1?r-1:0),e=1;r>e;e++)a[e-1]=arguments[e];t.removeListener.apply(t,[i].concat(a))},r.addEventListener("message",function(a){var e=a.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(a,e){var t={event:a,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 a={event:e,samples:t.samples};r.postMessage(a)}),t.on(e.default.FRAG_PARSING_USERDATA,function(e,t){var a={event:e,samples:t.samples};r.postMessage(a)})};a.default=o},{"../demux/demuxer-inline":15,"../events":23,events:1}],17:[function(t,g,a){"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(a,"__esModule",{value:!0});var h=function(){function e(a,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,a,i,n,s,o,u)})}else this.pushDecrypted(t,r,a,i,n,s,o,u)}},{key:"onWorkerMessage",value:function(a){var t=a.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}();a.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 a=function(){function e(a,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&&i.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(i){var t,a,r=8,e=8;for(t=0;i>t;t++)0!==e&&(a=this.readEG(),e=(r+a+256)%256),r=0===e?r:e}},{key:"readSPS",value:function(){var t,g,p,l,i,n,a,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),i=this.readUEG(),n=this.readUEG(),a=this.readBits(1),0===a&&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*(i+1)-2*s-2*d)*c),height:(2-a)*(n+1)*16-(a?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 a(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(t,"__esModule",{value:!0});var i=function(){function e(a,r){for(var t=0;tr);return t}},{key:"_parseID3Frames",value:function(r,t,n){for(var i,s,o,l,a;n>=t+8;)switch(i=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,i){case"PRIV":if("com.apple.streaming.transportStreamTimestamp"===this.readUTF(r,t,44)){t+=44,t+=4;var u=1&r[t++];this._hasTimeStamp=!0,a=((r[t++]<<23)+(r[t++]<<15)+(r[t++]<<7)+r[t++])/45,u&&(a+=47721858.84),a=Math.round(a),e.logger.trace("ID3 timestamp found: "+a),this._timeStamp=a}}}},{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,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")}Object.defineProperty(i,"__esModule",{value:!0});var f=function(){function e(a,r){for(var t=0;tt;t+=188)if(71===a[t]){if(d=!!(64&a[t+1]),u=((31&a[t+1])<<8)+a[t+2],y=(48&a[t+3])>>4,y>1){if(i=t+5+a[t+4],i===t+188)continue}else i=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(a);s={data:[],size:0}}s&&(s.data.push(a.subarray(i,t+188)),s.size+=t+188-i)}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(a);o={data:[],size:0}}o&&(o.data.push(a.subarray(i,t+188)),o.size+=t+188-i)}else u===_&&(d&&(l&&this._parseID3PES(this._parsePES(l)),l={data:[],size:0}),l&&(l.data.push(a.subarray(i,t+188)),l.size+=t+188-i));else d&&(i+=a[i]+1),0===u?this._parsePAT(a,i):u===this._pmtId?(this._parsePMT(a,i),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 i,n,s,a;for(i=(15&r[t+1])<<8|r[t+2],n=t+3+i-4,s=(15&r[t+10])<<8|r[t+11],t+=12+s;n>t;){switch(a=(31&r[t+1])<<8|r[t+2],r[t]){case 15:this._aacTrack.id=a;break;case 21:this._id3Track.id=a;break;case 27:this._avcTrack.id=a;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,a,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&&(a=536870912*(14&e[9])+4194304*(255&e[10])+16384*(254&e[11])+128*(255&e[12])+(254&e[13])/2,a>4294967295&&(a-=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=a),u=e[8],t=u+9,o.size-=t,l=new Uint8Array(o.size);s.length;){e=s.shift();var i=e.byteLength;if(t){if(t>i){t-=i;continue}e=e.subarray(t),i-=t,t=0}l.set(e,f),f+=i}return{data:l,pts:a,dts:r,len:d}}return null}},{key:"_parseAVCPES",value:function(a){var t,m,n,o,y=this,r=this._avcTrack,u=r.samples,p=this._parseAVCNALu(a.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+a.data.byteLength);g.set(h.data,0),g.set(a.data,h.data.byteLength),h.data=g,v.units.length+=a.data.byteLength,r.len+=a.data.byteLength}a.data=null;var i="",E=function(){d.length&&((c===!0||r.sps&&(u.length||this.contiguous))&&(m={units:{units:d,length:f},pts:a.pts,dts:a.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&&(i+="NDR ");break;case 5:n=!0,l&&(i+="IDR "),c=!0;break;case 6:n=!0,l&&(i+="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 k=t.readUByte();if(3===k){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:a.pts,bytes:h})}}}}}break;case 7:if(n=!0,l&&(i+="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 T=e.data.subarray(1,4),m="avc1.";for(o=0;3>o;o++){var u=T[o].toString(16);u.length<2&&(u="0"+u),m+=u}r.codec=m}break;case 8:n=!0,l&&(i+="PPS "),r.pps||(r.pps=[e.data]);break;case 9:n=!1,l&&(i+="AUD "),E();break;default:n=!1,i+="unknown NAL "+e.type+" "}n&&(d.push(e),f+=e.data.byteLength)}),(l||i.length)&&e.logger.log(i),E()}},{key:"_parseAVCNALu",value:function(r){for(var s,a,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 i=this.avcNaluState;if(i&&4-i>=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-i),p.units.length-=i,m.len-=i)}}if(a=t-e-1,a>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+a);f.set(o.data,0),f.set(r.subarray(0,a),o.data.byteLength),o.data=f,E.units.length+=a,y.len+=a}}}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,_,i=this._aacTrack,a=R.data,v=R.pts,T=0,L=this._duration,A=this.audioCodec,u=this.aacOverFlow,b=this.aacLastPTS;if(u){var m=new Uint8Array(u.byteLength+a.byteLength);m.set(u,0),m.set(a,u.byteLength),a=m}for(t=T,s=a.length;s-1>t&&(255!==a[t]||240!==(240&a[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(i.audiosamplerate||(l=c.default.getAudioConfig(this.observer,a,t,A),i.config=l.config,i.audiosamplerate=l.samplerate,i.channelCount=l.channelCount,i.codec=l.codec,i.duration=L,e.logger.log("parsed codec:"+i.codec+",rate:"+l.samplerate+",nb channel:"+l.channelCount)),E=0,p=9216e4/i.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&a[t+1]?7:9,o=(3&a[t+3])<<11|a[t+4]<<3|(224&a[t+5])>>>5,o-=d,o>0&&s>=t+d+o);)for(f=v+E*p,_={unit:a.subarray(t+d,t+d+o),pts:f,dts:f},i.samples.push(_),i.len+=o,t+=o+d,E++;s-1>t&&(255!==a[t]||240!==(240&a[t+1]));t++);u=s>t?a.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}();i.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 a(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(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(a,r){for(var t=0;t1?r-1:0),t=1;r>t;t++)a[t-1]=arguments[t];this.handledEvents=a,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 a=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{a.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(i,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(a,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=i=a;e=n&&f>a)l=n,i=f,o=i-a;else if(n>a+s){h=n;break}}return{len:o,start:l,end:i,nextStart:h}}}]),e}();e.default=a},{}],25:[function(r,s,t){"use strict";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 i=function(){function e(a,r){for(var t=0;th)return void(a.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,i=n)}if(d)for(e.logger.log("discontinuity sliding from playlist, take drift into account"),r=0;r=0&&ui.endSN)return 0;if(o=l-i.startSN,n=i.fragments,e=n[o],!isNaN(e.startPTS)){var f=Math.abs(e.startPTS-a);isNaN(e.deltaPTS)?e.deltaPTS=f:e.deltaPTS=Math.max(f,e.deltaPTS),a=Math.min(a,e.startPTS),s=Math.max(s,e.endPTS),d=Math.min(d,e.startDTS),u=Math.max(u,e.endDTS)}var h=a-e.start;for(e.start=e.startPTS=a,e.endPTS=s,e.startDTS=d,e.endDTS=u,e.duration=s-a,r=o;r>0;r--)t.updatePTS(n,r,r-1);for(r=o;ra?r.start=t.start+t.duration:r.start=t.start-r.duration:i>a?(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,i){"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(i,"__esModule",{value:!0});var n=function(){function e(a,r){for(var t=0;t1?t-1:0),e=1;t>e;e++)i[e-1]=arguments[e];a.emit.apply(a,[r,r].concat(i))},a.off=function(i){for(var t=arguments.length,r=Array(t>1?t-1:0),e=1;t>e;e++)r[e-1]=arguments[e];a.removeListener.apply(a,[i].concat(r))},this.on=a.on.bind(a),this.off=a.off.bind(a),this.trigger=a.trigger.bind(a),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&&"function"==typeof window.MediaSource.isTypeSupported&&window.MediaSource.isTypeSupported('video/mp4; codecs="avc1.42E01E,mp4a.40.2"')}},{key:"Events",get:function(){return a.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,abrEwmaFastLive:5,abrEwmaSlowLive:9,abrEwmaFastVoD:4,abrEwmaSlowVoD:15,abrBandWidthFactor:.8,abrBandWidthUpFactor:.7}),t.defaultConfig},set:function(e){t.defaultConfig=e}}]),n(t,[{key:"destroy",value:function(){e.logger.log("destroy"),this.trigger(a.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(a.default.MEDIA_ATTACHING,{media:t})}},{key:"detachMedia",value:function(){e.logger.log("detachMedia"),this.trigger(a.default.MEDIA_DETACHING),this.media=null}},{key:"loadSource",value:function(t){e.logger.log("loadSource:"+t),this.url=t,this.trigger(a.default.MANIFEST_LOADING,{url:t})}},{key:"startLoad",value:function(){var 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r,a;null===this.id?(r=e.ErrorDetails.MANIFEST_LOAD_ERROR,a=!0):(r=e.ErrorDetails.LEVEL_LOAD_ERROR,a=!1),this.loader&&this.loader.abort(),this.loading=!1,this.hls.trigger(t.default.ERROR,{type:e.ErrorTypes.NETWORK_ERROR,details:r,fatal:a,url:this.url,loader:this.loader,response:i.currentTarget,level:this.id,id:this.id2})}},{key:"loadtimeout",value:function(){var r,a;null===this.id?(r=e.ErrorDetails.MANIFEST_LOAD_TIMEOUT,a=!0):(r=e.ErrorDetails.LEVEL_LOAD_TIMEOUT,a=!1),this.loader&&this.loader.abort(),this.loading=!1,this.hls.trigger(t.default.ERROR,{type:e.ErrorTypes.NETWORK_ERROR,details:r,fatal:a,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(i,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 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r=t.length,a=[];r--;)a[r]=e.trak(t[r]);return e.box.apply(null,[e.types.moov,e.mvhd(t[0].timescale,t[0].duration)].concat(a).concat(e.mvex(t)))}},{key:"mvex",value:function(r){for(var t=r.length,a=[];t--;)a[t]=e.trex(r[t]);return e.box.apply(null,[e.types.mvex].concat(a))}},{key:"mvhd",value:function(t,r){r*=t;var a=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,a)}},{key:"sdtp",value:function(n){var r,t,a=n.samples||[],i=new Uint8Array(4+a.length);for(t=0;t>>8&255),a.push(255&n),a=a.concat(Array.prototype.slice.call(i));for(r=0;r>>8&255),s.push(255&n),s=s.concat(Array.prototype.slice.call(i));var u=e.box(e.types.avcC,new 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instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(t,"__esModule",{value:!0});var i=function(){function e(a,r){for(var t=0;t=200&&300>r?(window.clearTimeout(this.timeoutHandle),t.tload=Math.max(t.tfirst,performance.now()),this.onSuccess(a,t)):t.retry config.maxBufferHole) { + frag = fragments[curSNIdx-1]; + logger.warn(`SN just loaded, with large PTS gap between audio and video, maybe frag is not starting with a keyframe ? load previous one to try to overcome this`); + // decrement previous frag load counter to avoid frag loop loading error when next fragment will get reloaded + fragPrevious.loadCounter--; + } else { + frag = fragments[curSNIdx+1]; + logger.log(`SN just loaded, load next one: ${frag.sn}`); + } } else { // have we reached end of VOD playlist ? if (!levelDetails.live) { @@ -299,7 +312,7 @@ class StreamController extends EventHandler { this.state = State.ENDED; } } - return; + break; } } //logger.log(' loading frag ' + i +',pos/bufEnd:' + pos.toFixed(3) + '/' + bufferEnd.toFixed(3)); @@ -974,11 +987,15 @@ class StreamController extends EventHandler { } break; case ErrorDetails.BUFFER_FULL_ERROR: - // trigger a smooth level switch to empty buffers - // also reduce max buffer length as it might be too high. we do this to avoid loop flushing ... - this.config.maxMaxBufferLength/=2; - logger.warn(`reduce max buffer length to ${this.config.maxMaxBufferLength}s and trigger a nextLevelSwitch to flush old buffer and fix QuotaExceededError`); - this.nextLevelSwitch(); + // only reduce max buf len if in appending state + if (this.state === State.PARSING || this.state === State.PARSED) { + // reduce max buffer length as it might be too high. we do this to avoid loop flushing ... + this.config.maxMaxBufferLength/=2; + logger.warn(`reduce max buffer length to ${this.config.maxMaxBufferLength}s and switch to IDLE state`); + // increase fragment load Index to avoid frag loop loading error after buffer flush + this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold; + this.state = State.IDLE; + } break; default: break; diff --git a/dashboard-ui/bower_components/hls.js/src/helper/level-helper.js b/dashboard-ui/bower_components/hls.js/src/helper/level-helper.js index f0c3deddbe..f611b19277 100644 --- a/dashboard-ui/bower_components/hls.js/src/helper/level-helper.js +++ b/dashboard-ui/bower_components/hls.js/src/helper/level-helper.js @@ -71,6 +71,13 @@ class LevelHelper { fragments = details.fragments; frag = fragments[fragIdx]; if(!isNaN(frag.startPTS)) { + // delta PTS between audio and video + let deltaPTS = Math.abs(frag.startPTS-startPTS); + if (isNaN(frag.deltaPTS)) { + frag.deltaPTS = deltaPTS; + } else { + frag.deltaPTS = Math.max(deltaPTS,frag.deltaPTS); + } startPTS = Math.min(startPTS,frag.startPTS); endPTS = Math.max(endPTS, frag.endPTS); startDTS = Math.min(startDTS,frag.startDTS); diff --git a/dashboard-ui/bower_components/hls.js/src/hls.js b/dashboard-ui/bower_components/hls.js/src/hls.js index c7e0f92367..511be70450 100644 --- a/dashboard-ui/bower_components/hls.js/src/hls.js +++ b/dashboard-ui/bower_components/hls.js/src/hls.js @@ -83,8 +83,10 @@ class Hls { timelineController: TimelineController, enableCEA708Captions: true, enableMP2TPassThrough : false, - abrEwmaFast: 0, - abrEwmaSlow: 0, + abrEwmaFastLive: 5, + abrEwmaSlowLive: 9, + abrEwmaFastVoD: 4, + abrEwmaSlowVoD: 15, abrBandWidthFactor : 0.8, abrBandWidthUpFactor : 0.7 }; diff --git a/dashboard-ui/bower_components/hls.js/src/remux/mp4-remuxer.js b/dashboard-ui/bower_components/hls.js/src/remux/mp4-remuxer.js index b117ec9fa3..5e0de73afb 100644 --- a/dashboard-ui/bower_components/hls.js/src/remux/mp4-remuxer.js +++ b/dashboard-ui/bower_components/hls.js/src/remux/mp4-remuxer.js @@ -145,6 +145,12 @@ class MP4Remuxer { pts, dts, ptsnorm, dtsnorm, flags, samples = []; + + // handle broken streams with PTS < DTS, tolerance up 200ms (18000 in 90kHz timescale) + let PTSDTSshift = track.samples.reduce( (prev, curr) => Math.max(Math.min(prev,curr.pts-curr.dts),-18000),0); + if (PTSDTSshift < 0) { + logger.warn(`PTS < DTS detected in video samples, shifting DTS by ${Math.round(PTSDTSshift/90)} ms to overcome this issue`); + } /* concatenate the video data and construct the mdat in place (need 8 more bytes to fill length and mpdat type) */ mdat = new Uint8Array(track.len + (4 * track.nbNalu) + 8); @@ -164,10 +170,11 @@ class MP4Remuxer { mp4SampleLength += 4 + unit.data.byteLength; } pts = avcSample.pts - this._initDTS; - dts = avcSample.dts - this._initDTS; - // ensure DTS is not bigger than PTS + // shift dts by PTSDTSshift, to ensure that PTS >= DTS + dts = avcSample.dts - this._initDTS + PTSDTSshift; + // ensure DTS is not bigger than PTS // strap belt !!! dts = Math.min(pts,dts); - //logger.log(`Video/PTS/DTS:${Math.round(pts/90)}/${Math.round(dts/90)}`); + //logger.log(`Video/PTS/DTS/ptsnorm/DTSnorm:${Math.round(avcSample.pts/90)}/${Math.round(avcSample.dts/90)}/${Math.round(pts/90)}/${Math.round(dts/90)}`); // if not first AVC sample of video track, normalize PTS/DTS with previous sample value // and ensure that sample duration is positive if (lastDTS !== undefined) { @@ -209,7 +216,7 @@ class MP4Remuxer { firstPTS = Math.max(0, ptsnorm); firstDTS = Math.max(0, dtsnorm); } - //console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${avcSample.pts}/${avcSample.dts}/${this._initDTS}/${ptsnorm}/${dtsnorm}/${(avcSample.pts/4294967296).toFixed(3)}'); + //console.log(`PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${avcSample.pts}/${avcSample.dts}/${this._initDTS}/${ptsnorm}/${dtsnorm}/${(avcSample.pts/4294967296).toFixed(3)}); mp4Sample = { size: mp4SampleLength, duration: 0, diff --git a/dashboard-ui/bower_components/iron-a11y-keys-behavior/.bower.json b/dashboard-ui/bower_components/iron-a11y-keys-behavior/.bower.json index 2c5b6ec298..5ed3843498 100644 --- a/dashboard-ui/bower_components/iron-a11y-keys-behavior/.bower.json +++ b/dashboard-ui/bower_components/iron-a11y-keys-behavior/.bower.json @@ -1,6 +1,6 @@ { "name": "iron-a11y-keys-behavior", - "version": "1.1.4", + "version": "1.1.5", "description": "A behavior that enables keybindings for greater a11y.", "keywords": [ "web-components", @@ -30,14 +30,14 @@ "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0" }, "ignore": [], - "homepage": "https://github.com/polymerelements/iron-a11y-keys-behavior", - "_release": "1.1.4", + "homepage": "https://github.com/PolymerElements/iron-a11y-keys-behavior", + "_release": "1.1.5", "_resolution": { "type": "version", - "tag": "v1.1.4", - "commit": "36362671d1cee654758d0e2167548f9fdcff2805" + "tag": "v1.1.5", + "commit": "b6f935cf203b328651f96ac3d21979cac7c9c241" }, - "_source": "git://github.com/polymerelements/iron-a11y-keys-behavior.git", + "_source": "git://github.com/PolymerElements/iron-a11y-keys-behavior.git", "_target": "^1.0.0", - "_originalSource": "polymerelements/iron-a11y-keys-behavior" + "_originalSource": "PolymerElements/iron-a11y-keys-behavior" } \ No newline at end of file diff --git a/dashboard-ui/bower_components/iron-a11y-keys-behavior/bower.json b/dashboard-ui/bower_components/iron-a11y-keys-behavior/bower.json index dfa3912382..17aa01368a 100644 --- a/dashboard-ui/bower_components/iron-a11y-keys-behavior/bower.json +++ b/dashboard-ui/bower_components/iron-a11y-keys-behavior/bower.json @@ -1,6 +1,6 @@ { "name": "iron-a11y-keys-behavior", - "version": "1.1.4", + "version": "1.1.5", "description": "A behavior that enables keybindings for greater a11y.", "keywords": [ "web-components", diff --git a/dashboard-ui/bower_components/iron-a11y-keys-behavior/iron-a11y-keys-behavior.html b/dashboard-ui/bower_components/iron-a11y-keys-behavior/iron-a11y-keys-behavior.html index 27590b1763..0e7d7ec324 100644 --- a/dashboard-ui/bower_components/iron-a11y-keys-behavior/iron-a11y-keys-behavior.html +++ b/dashboard-ui/bower_components/iron-a11y-keys-behavior/iron-a11y-keys-behavior.html @@ -391,24 +391,23 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN _resetKeyEventListeners: function() { this._unlistenKeyEventListeners(); - if (this.isAttached && this.keyEventTarget) { + if (this.isAttached) { this._listenKeyEventListeners(); } }, - _listenKeyEventListeners: function () { + _listenKeyEventListeners: function() { + if (!this.keyEventTarget) { + return; + } + Object.keys(this._keyBindings).forEach(function(eventName) { + var keyBindings = this._keyBindings[eventName]; + var boundKeyHandler = this._onKeyBindingEvent.bind(this, keyBindings); - if (this.keyEventTarget) { - Object.keys(this._keyBindings).forEach(function (eventName) { - var keyBindings = this._keyBindings[eventName]; - var boundKeyHandler = this._onKeyBindingEvent.bind(this, keyBindings); + this._boundKeyHandlers.push([this.keyEventTarget, eventName, boundKeyHandler]); - this._boundKeyHandlers.push([this.keyEventTarget, eventName, boundKeyHandler]); - - this.keyEventTarget.addEventListener(eventName, boundKeyHandler); - }, this); - } - + this.keyEventTarget.addEventListener(eventName, boundKeyHandler); + }, this); }, _unlistenKeyEventListeners: function() { diff --git a/dashboard-ui/bower_components/iron-a11y-keys-behavior/test/basic-test.html b/dashboard-ui/bower_components/iron-a11y-keys-behavior/test/basic-test.html index 3253e2314c..d0c2dc35f9 100644 --- a/dashboard-ui/bower_components/iron-a11y-keys-behavior/test/basic-test.html +++ b/dashboard-ui/bower_components/iron-a11y-keys-behavior/test/basic-test.html @@ -431,6 +431,15 @@ suite('Polymer.IronA11yKeysBehavior', function() { }); }); + suite('remove key behavior with null target', function () { + test('add and remove a iron-a11y-keys-behavior', function () { + var element = document.createElement('x-a11y-basic-keys'); + element.keyEventTarget = null; + document.body.appendChild(element); + document.body.removeChild(element); + }); + }); + }); diff --git a/dashboard-ui/bower_components/paper-input/.bower.json b/dashboard-ui/bower_components/paper-input/.bower.json index c4f1e3adac..d779261ab8 100644 --- a/dashboard-ui/bower_components/paper-input/.bower.json +++ b/dashboard-ui/bower_components/paper-input/.bower.json @@ -1,6 +1,6 @@ { "name": "paper-input", - "version": "1.1.12", + "version": "1.1.13", "description": "Material design text fields", "authors": [ "The Polymer Authors" @@ -48,11 +48,11 @@ "web-component-tester": "^4.0.0", "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0" }, - "_release": "1.1.12", + "_release": "1.1.13", "_resolution": { "type": "version", - "tag": "v1.1.12", - "commit": "5dd3174ecee88ea280e960c6b6fbd04ce5c3da0e" + "tag": "v1.1.13", + "commit": "ce90cc77b23b8d0047715651940c48450f4d8d7b" }, "_source": "git://github.com/PolymerElements/paper-input.git", "_target": "^1.1.11", diff --git a/dashboard-ui/bower_components/paper-input/bower.json b/dashboard-ui/bower_components/paper-input/bower.json index 457eb171d9..f9de64410b 100644 --- a/dashboard-ui/bower_components/paper-input/bower.json +++ b/dashboard-ui/bower_components/paper-input/bower.json @@ -1,6 +1,6 @@ { "name": "paper-input", - "version": "1.1.12", + "version": "1.1.13", "description": "Material design text fields", "authors": [ "The Polymer Authors" diff --git a/dashboard-ui/bower_components/paper-input/paper-input-char-counter.html b/dashboard-ui/bower_components/paper-input/paper-input-char-counter.html index f856308d86..1a09a06d0e 100644 --- a/dashboard-ui/bower_components/paper-input/paper-input-char-counter.html +++ b/dashboard-ui/bower_components/paper-input/paper-input-char-counter.html @@ -87,7 +87,7 @@ Custom property | Description | Default state.value = state.value || ''; - var counter = state.value.length.toString(); + var counter = state.value.toString().length.toString(); if (state.inputElement.hasAttribute('maxlength')) { counter += '/' + state.inputElement.getAttribute('maxlength'); diff --git a/dashboard-ui/bower_components/paper-input/test/paper-input.html b/dashboard-ui/bower_components/paper-input/test/paper-input.html index 05c1e80b9a..2ed20b372b 100644 --- a/dashboard-ui/bower_components/paper-input/test/paper-input.html +++ b/dashboard-ui/bower_components/paper-input/test/paper-input.html @@ -83,6 +83,12 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN + + + +