amis/sdk/thirds/hls.js/hls.js

一种MIS页面生成工具

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r.lastLoadedFragLevel=0,r._nextAutoLevel=-1,r.hls=e,r.timer=null,r._bwEstimator=null,r.onCheck=r._abandonRulesCheck.bind(r),r}return a(r,t),r.prototype.destroy=function(){this.clearTimer(),s.default.prototype.destroy.call(this)},r.prototype.onFragLoading=function(e){var t=e.frag;if("main"===t.type&&(this.timer||(this.fragCurrent=t,this.timer=setInterval(this.onCheck,100)),!this._bwEstimator)){var r=this.hls,i=r.config,a=t.level,n=void 0,s=void 0;r.levels[a].details.live?(n=i.abrEwmaFastLive,s=i.abrEwmaSlowLive):(n=i.abrEwmaFastVoD,s=i.abrEwmaSlowVoD),this._bwEstimator=new d.default(r,s,n,i.abrEwmaDefaultEstimate)}},r.prototype._abandonRulesCheck=function(){var e=this.hls,t=e.media,r=this.fragCurrent;if(r){var i=r.loader,a=e.minAutoLevel;if(!i||i.stats&&i.stats.aborted)return u.logger.warn("frag loader destroy or aborted, disarm abandonRules"),this.clearTimer(),void(this._nextAutoLevel=-1);var s=i.stats;if(t&&s&&(!t.paused&&0!==t.playbackRate||!t.readyState)&&r.autoLevel&&r.level){var l=c.now()-s.trequest,d=Math.abs(t.playbackRate);if(l>500*r.duration/d){var f=e.levels,h=Math.max(1,s.bw?s.bw/8:1e3*s.loaded/l),p=f[r.level],g=p.realBitrate?Math.max(p.realBitrate,p.bitrate):p.bitrate,v=s.total?s.total:Math.max(s.loaded,Math.round(r.duration*g/8)),m=t.currentTime,y=(v-s.loaded)/h,E=(o.BufferHelper.bufferInfo(t,m,e.config.maxBufferHole).end-m)/d;if(E<2*r.duration/d&&y>E){var _=void 0,T=void 0;for(T=r.level-1;T>a;T--){var S=f[T].realBitrate?Math.max(f[T].realBitrate,f[T].bitrate):f[T].bitrate;if((_=r.duration*S/(6.4*h))<E)break}_<y&&(u.logger.warn("loading too slow, abort fragment loading and switch to level "+T+":fragLoadedDelay["+T+"]<fragLoadedDelay["+(r.level-1)+"];bufferStarvationDelay:"+_.toFixed(1)+"<"+y.toFixed(1)+":"+E.toFixed(1)),e.nextLoadLevel=T,this._bwEstimator.sample(l,s.loaded),i.abort(),this.clearTimer(),e.trigger(n.default.FRAG_LOAD_EMERGENCY_ABORTED,{frag:r,stats:s}))}}}}},r.prototype.onFragLoaded=function(t){var r=t.frag;if("main"===r.type&&e.isFinite(r.sn)){if(this.clearTimer(),this.lastLoadedFragLevel=r.level,this._nextAutoLevel=-1,this.hls.config.abrMaxWithRealBitrate){var i=this.hls.levels[r.level],a=(i.loaded?i.loaded.bytes:0)+t.stats.loaded,n=(i.loaded?i.loaded.duration:0)+t.frag.duration;i.loaded={bytes:a,duration:n},i.realBitrate=Math.round(8*a/n)}if(t.frag.bitrateTest){var s=t.stats;s.tparsed=s.tbuffered=s.tload,this.onFragBuffered(t)}}},r.prototype.onFragBuffered=function(t){var r=t.stats,i=t.frag;if(!0!==r.aborted&&"main"===i.type&&e.isFinite(i.sn)&&(!i.bitrateTest||r.tload===r.tbuffered)){var a=r.tparsed-r.trequest;u.logger.log("latency/loading/parsing/append/kbps:"+Math.round(r.tfirst-r.trequest)+"/"+Math.round(r.tload-r.tfirst)+"/"+Math.round(r.tparsed-r.tload)+"/"+Math.round(r.tbuffered-r.tparsed)+"/"+Math.round(8*r.loaded/(r.tbuffered-r.trequest))),this._bwEstimator.sample(a,r.loaded),r.bwEstimate=this._bwEstimator.getEstimate(),i.bitrateTest?this.bitrateTestDelay=a/1e3:this.bitrateTestDelay=0}},r.prototype.onError=function(e){switch(e.details){case l.ErrorDetails.FRAG_LOAD_ERROR:case l.ErrorDetails.FRAG_LOAD_TIMEOUT:this.clearTimer()}},r.prototype.clearTimer=function(){clearInterval(this.timer),this.timer=null},Object.defineProperty(r.prototype,"nextAutoLevel",{get:function(){var e=this._nextAutoLevel,t=this._bwEstimator;if(!(-1===e||t&&t.canEstimate()))return e;var r=this._nextABRAutoLevel;return-1!==e&&(r=Math.min(e,r)),r},set:function(e){this._nextAutoLevel=e},enumerable:!0,configurable:!0}),Object.defineProperty(r.prototype,"_nextABRAutoLevel",{get:function(){var e=this.hls,t=e.maxAutoLevel,r=e.levels,i=e.config,a=e.minAutoLevel,n=e.media,s=this.lastLoadedFragLevel,l=this.fragCurrent?this.fragCurrent.duration:0,d=n?n.currentTime:0,c=n&&0!==n.playbackRate?Math.abs(n.playbackRate):1,f=this._bwEstimator?this._bwEstimator.getEstimate():i.abrEwmaDefaultEstimate,h=(o.BufferHelper.bufferInfo(n,d,i.maxBufferHole).end-d)/c,p=this._findBestLevel(s,l,f,a,t,h,i.abrBandWidthFactor,i.abrBandWidthUpFactor,r);if(p>=0)return p;u.logger.trace("rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering");var g=l?Math.min(l,i.maxStarvationDelay):i.maxStarvationDelay,v=i.abrBandWidthFactor,m=i.abrBandWidthUpFactor;if(0===h){var y=this.bitrateTestDelay;y&&(g=(l?Math.min(l,i.maxLoadingDelay):i.maxLoadingDelay)-y,u.logger.trace("bitrate test took "+Math.round(1e3*y)+"ms, set first fragment max fetchDuration to "+Math.round(1e3*g)+" ms"),v=m=1)}return p=this._findBestLevel(s,l,f,a,t,h+g,v,m,r),Math.max(p,0)},enumerable:!0,configurable:!0}),r.prototype._findBestLevel=function(e,t,r,i,a,n,s,o,l){for(var d=a;d>=i;d--){var c=l[d];if(c){var f=c.details,h=f?f.totalduration/f.fragments.length:t,p=!!f&&f.live,g=void 0;g=d<=e?s*r:o*r;var v=l[d].realBitrate?Math.max(l[d].realBitrate,l[d].bitrate):l[d].bitrate,m=v*h/g;if(u.logger.trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: "+d+"/"+Math.round(g)+"/"+v+"/"+h+"/"+n+"/"+m),g>v&&(!m||p&&!this.bitrateTestDelay||m<n))return d}}return-1},r}(s.default);t.default=f}).call(this,r(/*! ./src/polyfills/number */"./src/polyfills/number.js").Number)},"./src/controller/audio-stream-controller.js":
/*!***************************************************!*\
    !*** ./src/controller/audio-stream-controller.js ***!
    \***************************************************/
/*! no static exports found */
/*! ModuleConcatenation bailout: Module is not an ECMAScript module */function(e,t,r){"use strict";(function(e){var i,a=this&&this.__extends||(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)});Object.defineProperty(t,"__esModule",{value:!0});var n=r(/*! ../utils/binary-search */"./src/utils/binary-search.js"),s=r(/*! ../utils/buffer-helper */"./src/utils/buffer-helper.js"),o=r(/*! ../demux/demuxer */"./src/demux/demuxer.js"),l=r(/*! ../events */"./src/events.js"),u=r(/*! ./level-helper */"./src/controller/level-helper.js"),d=r(/*! ../utils/time-ranges */"./src/utils/time-ranges.js"),c=r(/*! ../errors */"./src/errors.js"),f=r(/*! ../utils/logger */"./src/utils/logger.js"),h=r(/*! ../utils/discontinuities */"./src/utils/discontinuities.js"),p=r(/*! ./fragment-tracker */"./src/controller/fragment-tracker.js"),g=r(/*! ../loader/fragment */"./src/loader/fragment.js"),v=r(/*! ./base-stream-controller */"./src/controller/base-stream-controller.js"),m=window.performance,y=function(t){function r(e,r){var i=t.call(this,e,l.default.MEDIA_ATTACHED,l.default.MEDIA_DETACHING,l.default.AUDIO_TRACKS_UPDATED,l.default.AUDIO_TRACK_SWITCHING,l.default.AUDIO_TRACK_LOADED,l.default.KEY_LOADED,l.default.FRAG_LOADED,l.default.FRAG_PARSING_INIT_SEGMENT,l.default.FRAG_PARSING_DATA,l.default.FRAG_PARSED,l.default.ERROR,l.default.BUFFER_RESET,l.default.BUFFER_CREATED,l.default.BUFFER_APPENDED,l.default.BUFFER_FLUSHED,l.default.INIT_PTS_FOUND)||this;return i.fragmentTracker=r,i.config=e.config,i.audioCodecSwap=!1,i._state=v.State.STOPPED,i.initPTS=[],i.waitingFragment=null,i.videoTrackCC=null,i}return a(r,t),r.prototype.onHandlerDestroying=function(){this.stopLoad(),t.prototype.onHandlerDestroying.call(this)},r.prototype.onHandlerDestroyed=function(){this.state=v.State.STOPPED,this.fragmentTracker=null,t.prototype.onHandlerDestroyed.call(this)},r.prototype.onInitPtsFound=function(e){var t=e.id,r=e.frag.cc,i=e.initPTS;"main"===t&&(this.initPTS[r]=i,this.videoTrackCC=r,f.logger.log("InitPTS for cc: "+r+" found from video track: "+i),this.state===v.State.WAITING_INIT_PTS&&this.tick())},r.prototype.startLoad=function(e){if(this.tracks){var t=this.lastCurrentTime;this.stopLoad(),this.setInterval(100),this.fragLoadError=0,t>0&&-1===e?(f.logger.log("audio:override startPosition with lastCurrentTime @"+t.toFixed(3)),this.state=v.State.IDLE):(this.lastCurrentTime=this.startPosition?this.startPosition:e,this.state=v.State.STARTING),this.nextLoadPosition=this.startPosition=this.lastCurrentTime,this.tick()}else this.startPosition=e,this.state=v.State.STOPPED},r.prototype.stopLoad=function(){var e=this.fragCurrent;e&&(e.loader&&e.loader.abort(),this.fragmentTracker.removeFragment(e),this.fragCurrent=null),this.fragPrevious=null,this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.state=v.State.STOPPED},Object.defineProperty(r.prototype,"state",{get:function(){return this._state},set:function(e){if(this.state!==e){var t=this.state;this._state=e,f.logger.log("audio stream:"+t+"->"+e)}},enumerable:!0,configurable:!0}),r.prototype.doTick=function(){var t,r,i,a=this.hls,o=a.config;switch(this.state){case v.State.ERROR:case v.State.PAUSED:case v.State.BUFFER_FLUSHING:break;case v.State.STARTING:this.state=v.State.WAITING_TRACK,this.loadedmetadata=!1;break;case v.State.IDLE:var u=this.tracks;if(!u)break;if(!this.media&&(this.startFragRequested||!o.startFragPrefetch))break;if(this.loadedmetadata)t=this.media.currentTime;else if(void 0===(t=this.nextLoadPosition))break;var d=this.mediaBuffer?this.mediaBuffer:this.media,c=this.videoBuffer?this.videoBuffer:this.media,g=s.BufferHelper.bufferInfo(d,t,o.maxBufferHole),y=s.BufferHelper.bufferInfo(c,t,o.maxBufferHole),E=g.len,_=g.end,T=this.fragPrevious,S=Math.min(o.maxBufferLength,o.maxMaxBufferLength),b=Math.max(S,y.len),A=this.audioSwitch,R=this.trackId;if((E<b||A)&&R<u.length){if(void 0===(i=u[R].details)){this.state=v.State.WAITING_TRACK;break}if(!A&&this._streamEnded(g,i))return this.hls.trigger(l.default.BUFFER_EOS,{type:"audio"}),void(this.state=v.State.ENDED);var D=i.fragments,L=D.length,w=D[0].start,O=D[L-1].start+D[L-1].duration,I=void 0;if(A)if(i.live&&!i.PTSKnown)f.logger.log("switching audiotrack, live stream, unknown PTS,load first fragment"),_=0;else if(_=t,i.PTSKnown&&t<w){if(!(g.end>w||g.nextStart))return;f.logger.log("alt audio track ahead of main track, seek to start of alt audio track"),this.media.currentTime=w+.05}if(i.initSegment&&!i.initSegment.data)I=i.initSegment;else if(_<=w){if(I=D[0],null!==this.videoTrackCC&&I.cc!==this.videoTrackCC&&(I=h.findFragWithCC(D,this.videoTrackCC)),i.live&&I.loadIdx&&I.loadIdx===this.fragLoadIdx){var k=g.nextStart?g.nextStart:w;return f.logger.log("no alt audio available @currentTime:"+this.media.currentTime+", seeking @"+(k+.05)),void(this.media.currentTime=k+.05)}}else{var P=void 0,C=o.maxFragLookUpTolerance,x=T?D[T.sn-D[0].sn+1]:void 0,F=function(e){var t=Math.min(C,e.duration);return e.start+e.duration-t<=_?1:e.start-t>_&&e.start?-1:0};_<O?(_>O-C&&(C=0),P=x&&!F(x)?x:n.default.search(D,F)):P=D[L-1],P&&(I=P,w=P.start,T&&I.level===T.level&&I.sn===T.sn&&(I.sn<i.endSN?(I=D[I.sn+1-i.startSN],f.logger.log("SN just loaded, load next one: "+I.sn)):I=null))}I&&(I.encrypted?(f.logger.log("Loading key for "+I.sn+" of ["+i.startSN+" ,"+i.endSN+"],track "+R),this.state=v.State.KEY_LOADING,a.trigger(l.default.KEY_LOADING,{frag:I})):(f.logger.log("Loading "+I.sn+", cc: "+I.cc+" of ["+i.startSN+" ,"+i.endSN+"],track "+R+", currentTime:"+t+",bufferEnd:"+_.toFixed(3)),this.fragCurrent=I,(A||this.fragmentTracker.getState(I)===p.FragmentState.NOT_LOADED)&&(this.startFragRequested=!0,e.isFinite(I.sn)&&(this.nextLoadPosition=I.start+I.duration),a.trigger(l.default.FRAG_LOADING,{frag:I}),this.state=v.State.FRAG_LOADING)))}break;case v.State.WAITING_TRACK:(r=this.tracks[this.trackId])&&r.details&&(this.state=v.State.IDLE);break;case v.State.FRAG_LOADING_WAITING_RETRY:var M=m.now(),N=this.retryDate,j=(d=this.media)&&d.seeking;(!N||M>=N||j)&&(f.logger.log("audioStreamController: retryDate reached, switch back to IDLE state"),this.state=v.State.IDLE);break;case v.State.WAITING_INIT_PTS:var U=this.videoTrackCC;if(void 0===this.initPTS[U])break;var B=this.waitingFragment;if(B){var G=B.frag.cc;U!==G?(r=this.tracks[this.trackId]).details&&r.details.live&&(f.logger.warn("Waiting fragment CC ("+G+") does not match video track CC ("+U+")"),this.waitingFragment=null,this.state=v.State.IDLE):(this.state=v.State.FRAG_LOADING,this.onFragLoaded(this.waitingFragment),this.waitingFragment=null)}else this.state=v.State.IDLE;break;case v.State.STOPPED:case v.State.FRAG_LOADING:case v.State.PARSING:case v.State.PARSED:case v.State.ENDED:}},r.prototype.onMediaAttached=function(e){var t=this.media=this.mediaBuffer=e.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvended=this.onMediaEnded.bind(this),t.addEventListener("seeking",this.onvseeking),t.addEventListener("ended",this.onvended);var r=this.config;this.tracks&&r.autoStartLoad&&this.startLoad(r.startPosition)},r.prototype.onMediaDetaching=function(){var e=this.media;e&&e.ended&&(f.logger.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0),e&&(e.removeEventListener("seeking",this.onvseeking),e.removeEventListener("ended",this.onvended),this.onvseeking=this.onvseeked=this.onvended=null),this.media=this.mediaBuffer=this.videoBuffer=null,this.loadedmetadata=!1,this.stopLoad()},r.prototype.onAudioTracksUpdated=function(e){f.logger.log("audio tracks updated"),this.tracks=e.audioTracks},r.prototype.onAudioTrackSwitching=function(e){var t=!!e.url;this.trackId=e.id,this.fragCurrent=null,this.state=v.State.PAUSED,this.waitingFragment=null,t?this.setInterval(100):this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),t&&(this.audioSwitch=!0,this.state=v.State.IDLE),this.tick()},r.prototype.onAudioTrackLoaded=function(t){var r=t.details,i=t.id,a=this.tracks[i],n=r.totalduration,s=0;if(f.logger.log("track "+i+" loaded ["+r.startSN+","+r.endSN+"],duration:"+n),r.live){var o=a.details;o&&r.fragments.length>0?(u.mergeDetails(o,r),s=r.fragments[0].start,r.PTSKnown?f.logger.log("live audio playlist sliding:"+s.toFixed(3)):f.logger.log("live audio playlist - outdated PTS, unknown sliding")):(r.PTSKnown=!1,f.logger.log("live audio playlist - first load, unknown sliding"))}else r.PTSKnown=!1;if(a.details=r,!this.startFragRequested){if(-1===this.startPosition){var l=r.startTimeOffset;e.isFinite(l)?(f.logger.log("start time offset found in playlist, adjust startPosition to "+l),this.startPosition=l):this.startPosition=0}this.nextLoadPosition=this.startPosition}this.state===v.State.WAITING_TRACK&&(this.state=v.State.IDLE),this.tick()},r.prototype.onKeyLoaded=function(){this.state===v.State.KEY_LOADING&&(this.state=v.State.IDLE,this.tick())},r.prototype.onFragLoaded=function(e){var t=this.fragCurrent,r=e.frag;if(this.state===v.State.FRAG_LOADING&&t&&"audio"===r.type&&r.level===t.level&&r.sn===t.sn){var i=this.tracks[this.trackId],a=i.details,n=a.totalduration,s=t.level,u=t.sn,d=t.cc,c=this.config.defaultAudioCodec||i.audioCodec||"mp4a.40.2",h=this.stats=e.stats;if("initSegment"===u)this.state=v.State.IDLE,h.tparsed=h.tbuffered=m.now(),a.initSegment.data=e.payload,this.hls.trigger(l.default.FRAG_BUFFERED,{stats:h,frag:t,id:"audio"}),this.tick();else{this.state=v.State.PARSING,this.appended=!1,this.demuxer||(this.demuxer=new o.default(this.hls,"audio"));var p=this.initPTS[d],g=a.initSegment?a.initSegment.data:[];a.initSegment||void 0!==p?(this.pendingBuffering=!0,f.logger.log("Demuxing "+u+" of ["+a.startSN+" ,"+a.endSN+"],track "+s),this.demuxer.push(e.payload,g,c,null,t,n,!1,p)):(f.logger.log("unknown video PTS for continuity counter "+d+", waiting for video PTS before demuxing audio frag "+u+" of ["+a.startSN+" ,"+a.endSN+"],track "+s),this.waitingFragment=e,this.state=v.State.WAITING_INIT_PTS)}}this.fragLoadError=0},r.prototype.onFragParsingInitSegment=function(e){var t=this.fragCurrent,r=e.frag;if(t&&"audio"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===v.State.PARSING){var i=e.tracks,a=void 0;if(i.video&&delete i.video,a=i.audio){a.levelCodec=a.codec,a.id=e.id,this.hls.trigger(l.default.BUFFER_CODECS,i),f.logger.log("audio track:audio,container:"+a.container+",codecs[level/parsed]=["+a.levelCodec+"/"+a.codec+"]");var n=a.initSegment;if(n){var s={type:"audio",data:n,parent:"audio",content:"initSegment"};this.audioSwitch?this.pendingData=[s]:(this.appended=!0,this.pendingBuffering=!0,this.hls.trigger(l.default.BUFFER_APPENDING,s))}this.tick()}}},r.prototype.onFragParsingData=function(t){var r=this,i=this.fragCurrent,a=t.frag;if(i&&"audio"===t.id&&"audio"===t.type&&a.sn===i.sn&&a.level===i.level&&this.state===v.State.PARSING){var n=this.trackId,s=this.tracks[n],o=this.hls;e.isFinite(t.endPTS)||(t.endPTS=t.startPTS+i.duration,t.endDTS=t.startDTS+i.duration),i.addElementaryStream(g.default.ElementaryStreamTypes.AUDIO),f.logger.log("parsed "+t.type+",PTS:["+t.startPTS.toFixed(3)+","+t.endPTS.toFixed(3)+"],DTS:["+t.startDTS.toFixed(3)+"/"+t.endDTS.toFixed(3)+"],nb:"+t.nb),u.updateFragPTSDTS(s.details,i,t.startPTS,t.endPTS);var d=this.audioSwitch,h=this.media,p=!1;if(d&&h)if(h.readyState){var m=h.currentTime;f.logger.log("switching audio track : currentTime:"+m),m>=t.startPTS&&(f.logger.log("switching audio track : flushing all audio"),this.state=v.State.BUFFER_FLUSHING,o.trigger(l.default.BUFFER_FLUSHING,{startOffset:0,endOffset:e.POSITIVE_INFINITY,type:"audio"}),p=!0,this.audioSwitch=!1,o.trigger(l.default.AUDIO_TRACK_SWITCHED,{id:n}))}else this.audioSwitch=!1,o.trigger(l.default.AUDIO_TRACK_SWITCHED,{id:n});var y=this.pendingData;if(!y)return f.logger.warn("Apparently attempt to enqueue media payload without codec initialization data upfront"),void o.trigger(l.default.ERROR,{type:c.ErrorTypes.MEDIA_ERROR,details:null,fatal:!0});this.audioSwitch||([t.data1,t.data2].forEach((function(e){e&&e.length&&y.push({type:t.type,data:e,parent:"audio",content:"data"})})),!p&&y.length&&(y.forEach((function(e){r.state===v.State.PARSING&&(r.pendingBuffering=!0,r.hls.trigger(l.default.BUFFER_APPENDING,e))})),this.pendingData=[],this.appended=!0)),this.tick()}},r.prototype.onFragParsed=function(e){var t=this.fragCurrent,r=e.frag;t&&"audio"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===v.State.PARSING&&(this.stats.tparsed=m.now(),this.state=v.State.PARSED,this._checkAppendedParsed())},r.prototype.onBufferReset=function(){this.mediaBuffer=this.videoBuffer=null,this.loadedmetadata=!1},r.prototype.onBufferCreated=function(e){var t=e.tracks.audio;t&&(this.mediaBuffer=t.buffer,this.loadedmetadata=!0),e.tracks.video&&(this.videoBuffer=e.tracks.video.buffer)},r.prototype.onBufferAppended=function(e){if("audio"===e.parent){var t=this.state;t!==v.State.PARSING&&t!==v.State.PARSED||(this.pendingBuffering=e.pending>0,this._checkAppendedParsed())}},r.prototype._checkAppendedParsed=function(){if(!(this.state!==v.State.PARSED||this.appended&&this.pendingBuffering)){var e=this.fragCurrent,t=this.stats,r=this.hls;if(e){this.fragPrevious=e,t.tbuffered=m.now(),r.trigger(l.default.FRAG_BUFFERED,{stats:t,frag:e,id:"audio"});var i=this.mediaBuffer?this.mediaBuffer:this.media;f.logger.log("audio buffered : "+d.default.toString(i.buffered)),this.audioSwitch&&this.appended&&(this.audioSwitch=!1,r.trigger(l.default.AUDIO_TRACK_SWITCHED,{id:this.trackId})),this.state=v.State.IDLE}this.tick()}},r.prototype.onError=function(t){var r=t.frag;if(!r||"audio"===r.type)switch(t.details){case c.ErrorDetails.FRAG_LOAD_ERROR:case c.ErrorDetails.FRAG_LOAD_TIMEOUT:var i=t.frag;if(i&&"audio"!==i.type)break;if(!t.fatal){var a=this.fragLoadError;if(a?a++:a=1,a<=(o=this.config).fragLoadingMaxRetry){this.fragLoadError=a;var n=Math.min(Math.pow(2,a-1)*o.fragLoadingRetryDelay,o.fragLoadingMaxRetryTimeout);f.logger.warn("AudioStreamController: frag loading failed, retry in "+n+" ms"),this.retryDate=m.now()+n,this.state=v.State.FRAG_LOADING_WAITING_RETRY}else f.logger.error("AudioStreamController: "+t.details+" reaches max retry, redispatch as fatal ..."),t.fatal=!0,this.state=v.State.ERROR}break;case c.ErrorDetails.AUDIO_TRACK_LOAD_ERROR:case c.ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT:case c.ErrorDetails.KEY_LOAD_ERROR:case c.ErrorDetails.KEY_LOAD_TIMEOUT:this.state!==v.State.ERROR&&(this.state=t.fatal?v.State.ERROR:v.State.IDLE,f.logger.warn("AudioStreamController: "+t.details+" while loading frag, now switching to "+this.state+" state ..."));break;case c.ErrorDetails.BUFFER_FULL_ERROR:if("audio"===t.parent&&(this.state===v.State.PARSING||this.state===v.State.PARSED)){var o,u=this.mediaBuffer,d=this.media.currentTime;u&&s.BufferHelper.isBuffered(u,d)&&s.BufferHelper.isBuffered(u,d+.5)?((o=this.config).maxMaxBufferLength>=o.maxBufferLength&&(o.maxMaxBufferLength/=2,f.logger.warn("AudioStreamController: reduce max buffer length to "+o.maxMaxBufferLength+"s")),this.state=v.State.IDLE):(f.logger.warn("AudioStreamController: buffer full error also media.currentTime is not buffered, flush audio buffer"),this.fragCurrent=null,this.state=v.State.BUFFER_FLUSHING,this.hls.trigger(l.default.BUFFER_FLUSHING,{startOffset:0,endOffset:e.POSITIVE_INFINITY,type:"audio"}))}}},r.prototype.onBufferFlushed=function(){var e=this,t=this.pendingData;t&&t.length?(f.logger.log("AudioStreamController: appending pending audio data after buffer flushed"),t.forEach((function(t){e.hls.trigger(l.default.BUFFER_APPENDING,t)})),this.appended=!0,this.pendingData=[],this.state=v.State.PARSED):(this.state=v.State.IDLE,this.fragPrevious=null,this.tick())},r}(v.default);t.default=y}).call(this,r(/*! ./src/polyfills/number */"./src/polyfills/number.js").Number)},"./src/controller/audio-track-controller.js":
/*!**************************************************!*\
    !*** ./src/controller/audio-track-controller.js ***!
    \**************************************************/
/*! no static exports found */
/*! ModuleConcatenation bailout: Module is not an ECMAScript module */function(e,t,r){"use strict";var i,a=this&&this.__extends||(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)});Object.defineProperty(t,"__esModule",{value:!0});var n=r(/*! ../events */"./src/events.js"),s=r(/*! ../task-loop */"./src/task-loop.js"),o=r(/*! ../utils/logger */"./src/utils/logger.js"),l=r(/*! ../errors */"./src/errors.js"),u=function(e){function t(t){var r=e.call(this,t,n.default.MANIFEST_LOADING,n.default.MANIFEST_PARSED,n.default.AUDIO_TRACK_LOADED,n.default.AUDIO_TRACK_SWITCHED,n.default.LEVEL_LOADED,n.default.ERROR)||this;return r._trackId=-1,r._selectDefaultTrack=!0,r.tracks=[],r.trackIdBlacklist=Object.create(null),r.audioGroupId=null,r}return a(t,e),t.prototype.onManifestLoading=function(){this.tracks=[],this._trackId=-1,this._selectDefaultTrack=!0},t.prototype.onManifestParsed=function(e){var t=this.tracks=e.audioTracks||[];this.hls.trigger(n.default.AUDIO_TRACKS_UPDATED,{audioTracks:t})},t.prototype.onAudioTrackLoaded=function(e){if(e.id>=this.tracks.length)o.logger.warn("Invalid audio track id:",e.id);else{if(o.logger.log("audioTrack "+e.id+" loaded"),this.tracks[e.id].details=e.details,e.details.live&&!this.hasInterval()){var t=1e3*e.details.targetduration;this.setInterval(t)}!e.details.live&&this.hasInterval()&&this.clearInterval()}},t.prototype.onAudioTrackSwitched=function(e){var t=this.tracks[e.id].groupId;t&&this.audioGroupId!==t&&(this.audioGroupId=t)},t.prototype.onLevelLoaded=function(e){var t=this.hls.levels[e.level];if(t.audioGroupIds){var r=t.audioGroupIds[t.urlId];this.audioGroupId!==r&&(this.audioGroupId=r,this._selectInitialAudioTrack())}},t.prototype.onError=function(e){e.type===l.ErrorTypes.NETWORK_ERROR&&(e.fatal&&this.clearInterval(),e.details===l.ErrorDetails.AUDIO_TRACK_LOAD_ERROR&&(o.logger.warn("Network failure on audio-track id:",e.context.id),this._handleLoadError()))},Object.defineProperty(t.prototype,"audioTracks",{get:function(){return this.tracks},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"audioTrack",{get:function(){return this._trackId},set:function(e){this._setAudioTrack(e),this._selectDefaultTrack=!1},enumerable:!0,configurable:!0}),t.prototype._setAudioTrack=function(e){if(this._trackId===e&&this.tracks[this._trackId].details)o.logger.debug("Same id as current audio-track passed, and track details available -> no-op");else if(e<0||e>=this.tracks.length)o.logger.warn("Invalid id passed to audio-track controller");else{var t=this.tracks[e];o.logger.log("Now switching to audio-track index "+e),this.clearInterval(),this._trackId=e;var r=t.url,i=t.type,a=t.id;this.hls.trigger(n.default.AUDIO_TRACK_SWITCHING,{id:a,type:i,url:r}),this._loadTrackDetailsIfNeeded(t)}},t.prototype.doTick=function(){this._updateTrack(this._trackId)},t.prototype._selectInitialAudioTrack=function(){var e=this,t=this.tracks;if(t.length){var r=this.tracks[this._trackId],i=null;if(r&&(i=r.name),this._selectDefaultTrack){var a=t.filter((function(e){return e.default}));a.length?t=a:o.logger.warn("No default audio tracks defined")}var s=!1,u=function(){t.forEach((function(t){s||e.audioGroupId&&t.groupId!==e.audioGroupId||i&&i!==t.name||(e._setAudioTrack(t.id),s=!0)}))};u(),s||(i=null,u()),s||(o.logger.error("No track found for running audio group-ID: "+this.audioGroupId),this.hls.trigger(n.default.ERROR,{type:l.ErrorTypes.MEDIA_ERROR,details:l.ErrorDetails.AUDIO_TRACK_LOAD_ERROR,fatal:!0}))}},t.prototype._needsTrackLoading=function(e){var t=e.details,r=e.url;return!(t&&!t.live||!r)},t.prototype._loadTrackDetailsIfNeeded=function(e){if(this._needsTrackLoading(e)){var t=e.url,r=e.id;o.logger.log("loading audio-track playlist for id: "+r),this.hls.trigger(n.default.AUDIO_TRACK_LOADING,{url:t,id:r})}},t.prototype._updateTrack=function(e){if(!(e<0||e>=this.tracks.length)){this.clearInterval(),this._trackId=e,o.logger.log("trying to update audio-track "+e);var t=this.tracks[e];this._loadTrackDetailsIfNeeded(t)}},t.prototype._handleLoadError=function(){this.trackIdBlacklist[this._trackId]=!0;var e=this._trackId,t=this.tracks[e],r=t.name,i=t.language,a=t.groupId;o.logger.warn("Loading failed on audio track id: "+e+", group-id: "+a+', name/language: "'+r+'" / "'+i+'"');for(var n=e,s=0;s<this.tracks.length;s++)if(!this.trackIdBlacklist[s]&&this.tracks[s].name===r){n=s;break}n!==e?(o.logger.log("Attempting audio-track fallback id:",n,"group-id:",this.tracks[n].groupId),this._setAudioTrack(n)):o.logger.warn('No fallback audio-track found for name/language: "'+r+'" / "'+i+'"')},t}(s.default);t.default=u},"./src/controller/base-stream-controller.js":
/*!**************************************************!*\
    !*** ./src/controller/base-stream-controller.js ***!
    \**************************************************/
/*! no static exports found */
/*! ModuleConcatenation bailout: Module is not an ECMAScript module */function(e,t,r){"use strict";(function(e){var i,a=this&&this.__extends||(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)});Object.defineProperty(t,"__esModule",{value:!0});var n=r(/*! ../task-loop */"./src/task-loop.js"),s=r(/*! ./fragment-tracker */"./src/controller/fragment-tracker.js"),o=r(/*! ../utils/buffer-helper */"./src/utils/buffer-helper.js"),l=r(/*! ../utils/logger */"./src/utils/logger.js");t.State={STOPPED:"STOPPED",STARTING:"STARTING",IDLE:"IDLE",PAUSED:"PAUSED",KEY_LOADING:"KEY_LOADING",FRAG_LOADING:"FRAG_LOADING",FRAG_LOADING_WAITING_RETRY:"FRAG_LOADING_WAITING_RETRY",WAITING_TRACK:"WAITING_TRACK",PARSING:"PARSING",PARSED:"PARSED",BUFFER_FLUSHING:"BUFFER_FLUSHING",ENDED:"ENDED",ERROR:"ERROR",WAITING_INIT_PTS:"WAITING_INIT_PTS",WAITING_LEVEL:"WAITING_LEVEL"};var u=function(r){function i(){return null!==r&&r.apply(this,arguments)||this}return a(i,r),i.prototype.doTick=function(){},i.prototype._streamEnded=function(e,t){var r=this.fragCurrent,i=this.fragmentTracker;if(!t.live&&r&&!r.backtracked&&r.sn===t.endSN&&!e.nextStart){var a=i.getState(r);return a===s.FragmentState.PARTIAL||a===s.FragmentState.OK}return!1},i.prototype.onMediaSeeking=function(){var r=this,i=r.config,a=r.media,n=r.mediaBuffer,s=r.state,u=a?a.currentTime:null,d=o.BufferHelper.bufferInfo(n||a,u,this.config.maxBufferHole);if(e.isFinite(u)&&l.logger.log("media seeking to "+u.toFixed(3)),s===t.State.FRAG_LOADING){var c=this.fragCurrent;if(0===d.len&&c){var f=i.maxFragLookUpTolerance,h=c.start-f,p=c.start+c.duration+f;u<h||u>p?(c.loader&&(l.logger.log("seeking outside of buffer while fragment load in progress, cancel fragment load"),c.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.state=t.State.IDLE):l.logger.log("seeking outside of buffer but within currently loaded fragment range")}}else s===t.State.ENDED&&(0===d.len&&(this.fragPrevious=null,this.fragCurrent=null),this.state=t.State.IDLE);a&&(this.lastCurrentTime=u),this.loadedmetadata||(this.nextLoadPosition=this.startPosition=u),this.tick()},i.prototype.onMediaEnded=function(){this.startPosition=this.lastCurrentTime=0},i}(n.default);t.default=u}).call(this,r(/*! ./src/polyfills/number */"./src/polyfills/number.js").Number)},"./src/controller/buffer-controller.js":
/*!*********************************************!*\
    !*** ./src/controller/buffer-controller.js ***!
    \*********************************************/
/*! no static exports found */
/*! ModuleConcatenation bailout: Module is not an ECMAScript module */function(e,t,r){"use strict";(function(e){var i,a=this&&this.__extends||(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)});Object.defineProperty(t,"__esModule",{value:!0});var n=r(/*! ../events */"./src/events.js"),s=r(/*! ../event-handler */"./src/event-handler.js"),o=r(/*! ../utils/logger */"./src/utils/logger.js"),l=r(/*! ../errors */"./src/errors.js"),u=r(/*! ../utils/mediasource-helper */"./src/utils/mediasource-helper.js").getMediaSource(),d=function(t){function r(e){var r=t.call(this,e,n.default.MEDIA_ATTACHING,n.default.MEDIA_DETACHING,n.default.MANIFEST_PARSED,n.default.BUFFER_RESET,n.default.BUFFER_APPENDING,n.default.BUFFER_CODECS,n.default.BUFFER_EOS,n.default.BUFFER_FLUSHING,n.default.LEVEL_PTS_UPDATED,n.default.LEVEL_UPDATED)||this;return r._msDuration=null,r._levelDuration=null,r._levelTargetDuration=10,r._live=null,r._objectUrl=null,r.bufferCodecEventsExpected=0,r.onsbue=r.onSBUpdateEnd.bind(r),r.onsbe=r.onSBUpdateError.bind(r),r.pendingTracks={},r.tracks={},r}return a(r,t),r.prototype.destroy=function(){s.default.prototype.destroy.call(this)},r.prototype.onLevelPtsUpdated=function(e){var t=e.type,r=this.tracks.audio;if("audio"===t&&r&&"audio/mpeg"===r.container){var i=this.sourceBuffer.audio;if(Math.abs(i.timestampOffset-e.start)>.1){var a=i.updating;try{i.abort()}catch(e){o.logger.warn("can not abort audio buffer: "+e)}a?this.audioTimestampOffset=e.start:(o.logger.warn("change mpeg audio timestamp offset from "+i.timestampOffset+" to "+e.start),i.timestampOffset=e.start)}}},r.prototype.onManifestParsed=function(e){this.bufferCodecEventsExpected=e.altAudio?2:1,o.logger.log(this.bufferCodecEventsExpected+" bufferCodec event(s) expected")},r.prototype.onMediaAttaching=function(e){var t=this.media=e.media;if(t){var r=this.mediaSource=new u;this.onmso=this.onMediaSourceOpen.bind(this),this.onmse=this.onMediaSourceEnded.bind(this),this.onmsc=this.onMediaSourceClose.bind(this),r.addEventListener("sourceopen",this.onmso),r.addEventListener("sourceended",this.onmse),r.addEventListener("sourceclose",this.onmsc),t.src=window.URL.createObjectURL(r),this._objectUrl=t.src}},r.prototype.onMediaDetaching=function(){o.logger.log("media source detaching");var e=this.mediaSource;if(e){if("open"===e.readyState)try{e.endOfStream()}catch(e){o.logger.warn("onMediaDetaching:"+e.message+" while calling endOfStream")}e.removeEventListener("sourceopen",this.onmso),e.removeEventListener("sourceended",this.onmse),e.removeEventListener("sourceclose",this.onmsc),this.media&&(window.URL.revokeObjectURL(this._objectUrl),this.media.src===this._objectUrl?(this.media.removeAttribute("src"),this.media.load()):o.logger.warn("m