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chunk-771262e0.2e05ffbc.js

chunk-771262e0.2e05ffbc.js 376 KB
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    21. 

  21. /*! exports provided: default */function(t,e,r){"use strict";r.r(e);var i=r(/*! ./src/polyfills/number */"./src/polyfills/number.ts"),n=r(/*! ../utils/ewma-bandwidth-estimator */"./src/utils/ewma-bandwidth-estimator.ts"),s=r(/*! ../events */"./src/events.ts"),a=r(/*! ../utils/buffer-helper */"./src/utils/buffer-helper.ts"),o=r(/*! ../errors */"./src/errors.ts"),l=r(/*! ../types/loader */"./src/types/loader.ts"),u=r(/*! ../utils/logger */"./src/utils/logger.ts");function c(t,e){for(var r=0;r<e.length;r++){var i=e[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}function d(t,e,r){return e&&c(t.prototype,e),r&&c(t,r),t}var h=function(){function t(t){this.hls=void 0,this.lastLoadedFragLevel=0,this._nextAutoLevel=-1,this.timer=void 0,this.onCheck=this._abandonRulesCheck.bind(this),this.fragCurrent=null,this.partCurrent=null,this.bitrateTestDelay=0,this.bwEstimator=void 0,this.hls=t;var e=t.config;this.bwEstimator=new n["default"](e.abrEwmaSlowVoD,e.abrEwmaFastVoD,e.abrEwmaDefaultEstimate),this.registerListeners()}var e=t.prototype;return e.registerListeners=function(){var t=this.hls;t.on(s["Events"].FRAG_LOADING,this.onFragLoading,this),t.on(s["Events"].FRAG_LOADED,this.onFragLoaded,this),t.on(s["Events"].FRAG_BUFFERED,this.onFragBuffered,this),t.on(s["Events"].LEVEL_LOADED,this.onLevelLoaded,this),t.on(s["Events"].ERROR,this.onError,this)},e.unregisterListeners=function(){var t=this.hls;t.off(s["Events"].FRAG_LOADING,this.onFragLoading,this),t.off(s["Events"].FRAG_LOADED,this.onFragLoaded,this),t.off(s["Events"].FRAG_BUFFERED,this.onFragBuffered,this),t.off(s["Events"].LEVEL_LOADED,this.onLevelLoaded,this),t.off(s["Events"].ERROR,this.onError,this)},e.destroy=function(){this.unregisterListeners(),this.clearTimer(),this.hls=this.onCheck=null,this.fragCurrent=this.partCurrent=null},e.onFragLoading=function(t,e){var r,i=e.frag;i.type===l["PlaylistLevelType"].MAIN&&(this.timer||(this.fragCurrent=i,this.partCurrent=null!=(r=e.part)?r:null,this.timer=self.setInterval(this.onCheck,100)))},e.onLevelLoaded=function(t,e){var r=this.hls.config;e.details.live?this.bwEstimator.update(r.abrEwmaSlowLive,r.abrEwmaFastLive):this.bwEstimator.update(r.abrEwmaSlowVoD,r.abrEwmaFastVoD)},e._abandonRulesCheck=function(){var t=this.fragCurrent,e=this.partCurrent,r=this.hls,n=r.autoLevelEnabled,o=r.config,l=r.media;if(t&&l){var c=e?e.stats:t.stats,d=e?e.duration:t.duration;if(c.aborted)return u["logger"].warn("frag loader destroy or aborted, disarm abandonRules"),this.clearTimer(),void(this._nextAutoLevel=-1);if(n&&!l.paused&&l.playbackRate&&l.readyState){var h=performance.now()-c.loading.start,f=Math.abs(l.playbackRate);if(!(h<=500*d/f)){var g=r.levels,v=r.minAutoLevel,p=g[t.level],m=c.total||Math.max(c.loaded,Math.round(d*p.maxBitrate/8)),y=Math.max(1,c.bwEstimate?c.bwEstimate/8:1e3*c.loaded/h),E=(m-c.loaded)/y,T=l.currentTime,S=(a["BufferHelper"].bufferInfo(l,T,o.maxBufferHole).end-T)/f;if(!(S>=2*d/f||E<=S)){var b,L=Number.POSITIVE_INFINITY;for(b=t.level-1;b>v;b--){var A=g[b].maxBitrate;if(L=d*A/(6.4*y),L<S)break}if(!(L>=E)){var D=this.bwEstimator.getEstimate();u["logger"].warn("Fragment "+t.sn+(e?" part "+e.index:"")+" of level "+t.level+" is loading too slowly and will cause an underbuffer; aborting and switching to level "+b+"\n      Current BW estimate: "+(Object(i["isFiniteNumber"])(D)?(D/1024).toFixed(3):"Unknown")+" Kb/s\n      Estimated load time for current fragment: "+E.toFixed(3)+" s\n      Estimated load time for the next fragment: "+L.toFixed(3)+" s\n      Time to underbuffer: "+S.toFixed(3)+" s"),r.nextLoadLevel=b,this.bwEstimator.sample(h,c.loaded),this.clearTimer(),t.loader&&(this.fragCurrent=this.partCurrent=null,t.loader.abort()),r.trigger(s["Events"].FRAG_LOAD_EMERGENCY_ABORTED,{frag:t,part:e,stats:c})}}}}}},e.onFragLoaded=function(t,e){var r=e.frag,n=e.part;if(r.type===l["PlaylistLevelType"].MAIN&&Object(i["isFiniteNumber"])(r.sn)){var a=n?n.stats:r.stats,o=n?n.duration:r.duration;if(this.clearTimer(),this.lastLoadedFragLevel=r.level,this._nextAutoLevel=-1,this.hls.config.abrMaxWithRealBitrate){var u=this.hls.levels[r.level],c=(u.loaded?u.loaded.bytes:0)+a.loaded,d=(u.loaded?u.loaded.duration:0)+o;u.loaded={bytes:c,duration:d},u.realBitrate=Math.round(8*c/d)}if(r.bitrateTest){var h={stats:a,frag:r,part:n,id:r.type};this.onFragBuffered(s["Events"].FRAG_BUFFERED,h),r.bitrateTest=!1}}},e.onFragBuffered=function(t,e){var r=e.frag,i=e.part,n=i?i.stats:r.stats;if(!n.aborted&&r.type===l["PlaylistLevelType"].MAIN&&"initSegment"!==r.sn){var s=n.parsing.end-n.loading.start;this.bwEstimator.sample(s,n.loaded),n.bwEstimate=this.bwEstimator.getEstimate(),r.bitrateTest?this.bitrateTestDelay=s/1e3:this.bitrateTestDelay=0}},e.onError=function(t,e){switch(e.details){case o["ErrorDetails"].FRAG_LOAD_ERROR:case o["ErrorDetails"].FRAG_LOAD_TIMEOUT:this.clearTimer();break;default:break}},e.clearTimer=function(){self.clearInterval(this.timer),this.timer=void 0},e.getNextABRAutoLevel=function(){var t=this.fragCurrent,e=this.partCurrent,r=this.hls,i=r.maxAutoLevel,n=r.config,s=r.minAutoLevel,o=r.media,l=e?e.duration:t?t.duration:0,c=o?o.currentTime:0,d=o&&0!==o.playbackRate?Math.abs(o.playbackRate):1,h=this.bwEstimator?this.bwEstimator.getEstimate():n.abrEwmaDefaultEstimate,f=(a["BufferHelper"].bufferInfo(o,c,n.maxBufferHole).end-c)/d,g=this.findBestLevel(h,s,i,f,n.abrBandWidthFactor,n.abrBandWidthUpFactor);if(g>=0)return g;u["logger"].trace((f?"rebuffering expected":"buffer is empty")+", finding optimal quality level");var v=l?Math.min(l,n.maxStarvationDelay):n.maxStarvationDelay,p=n.abrBandWidthFactor,m=n.abrBandWidthUpFactor;if(!f){var y=this.bitrateTestDelay;if(y){var E=l?Math.min(l,n.maxLoadingDelay):n.maxLoadingDelay;v=E-y,u["logger"].trace("bitrate test took "+Math.round(1e3*y)+"ms, set first fragment max fetchDuration to "+Math.round(1e3*v)+" ms"),p=m=1}}return g=this.findBestLevel(h,s,i,f+v,p,m),Math.max(g,0)},e.findBestLevel=function(t,e,r,i,n,s){for(var a,o=this.fragCurrent,l=this.partCurrent,c=this.lastLoadedFragLevel,d=this.hls.levels,h=d[c],f=!(null===h||void 0===h||null===(a=h.details)||void 0===a||!a.live),g=null===h||void 0===h?void 0:h.codecSet,v=l?l.duration:o?o.duration:0,p=r;p>=e;p--){var m=d[p];if(m&&(!g||m.codecSet===g)){var y=m.details,E=(l?null===y||void 0===y?void 0:y.partTarget:null===y||void 0===y?void 0:y.averagetargetduration)||v,T=void 0;T=p<=c?n*t:s*t;var S=d[p].maxBitrate,b=S*E/T;if(u["logger"].trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: "+p+"/"+Math.round(T)+"/"+S+"/"+E+"/"+i+"/"+b),T>S&&(!b||f&&!this.bitrateTestDelay||b<i))return p}}return-1},d(t,[{key:"nextAutoLevel",get:function(){var t=this._nextAutoLevel,e=this.bwEstimator;if(-1!==t&&(!e||!e.canEstimate()))return t;var r=this.getNextABRAutoLevel();return-1!==t&&(r=Math.min(t,r)),r},set:function(t){this._nextAutoLevel=t}}]),t}();e["default"]=h},"./src/controller/audio-stream-controller.ts":
    22. 

  22. /*!***************************************************!*\
    23. 

  23.   !*** ./src/controller/audio-stream-controller.ts ***!
    24. 

  24.   \***************************************************/
    25. 

  25. /*! exports provided: default */function(t,e,r){"use strict";r.r(e);var i=r(/*! ./src/polyfills/number */"./src/polyfills/number.ts"),n=r(/*! ./base-stream-controller */"./src/controller/base-stream-controller.ts"),s=r(/*! ../events */"./src/events.ts"),a=r(/*! ../utils/buffer-helper */"./src/utils/buffer-helper.ts"),o=r(/*! ./fragment-tracker */"./src/controller/fragment-tracker.ts"),l=r(/*! ../types/level */"./src/types/level.ts"),u=r(/*! ../types/loader */"./src/types/loader.ts"),c=r(/*! ../loader/fragment */"./src/loader/fragment.ts"),d=r(/*! ../demux/chunk-cache */"./src/demux/chunk-cache.ts"),h=r(/*! ../demux/transmuxer-interface */"./src/demux/transmuxer-interface.ts"),f=r(/*! ../types/transmuxer */"./src/types/transmuxer.ts"),g=r(/*! ./fragment-finders */"./src/controller/fragment-finders.ts"),v=r(/*! ../utils/discontinuities */"./src/utils/discontinuities.ts"),p=r(/*! ../errors */"./src/errors.ts"),m=r(/*! ../utils/logger */"./src/utils/logger.ts");function y(){return y=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var r=arguments[e];for(var i in r)Object.prototype.hasOwnProperty.call(r,i)&&(t[i]=r[i])}return t},y.apply(this,arguments)}function E(t,e){t.prototype=Object.create(e.prototype),t.prototype.constructor=t,T(t,e)}function T(t,e){return T=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t},T(t,e)}var S=100,b=function(t){function e(e,r){var i;return i=t.call(this,e,r,"[audio-stream-controller]")||this,i.videoBuffer=null,i.videoTrackCC=-1,i.waitingVideoCC=-1,i.audioSwitch=!1,i.trackId=-1,i.waitingData=null,i.mainDetails=null,i.bufferFlushed=!1,i._registerListeners(),i}E(e,t);var r=e.prototype;return r.onHandlerDestroying=function(){this._unregisterListeners(),this.mainDetails=null},r._registerListeners=function(){var t=this.hls;t.on(s["Events"].MEDIA_ATTACHED,this.onMediaAttached,this),t.on(s["Events"].MEDIA_DETACHING,this.onMediaDetaching,this),t.on(s["Events"].MANIFEST_LOADING,this.onManifestLoading,this),t.on(s["Events"].LEVEL_LOADED,this.onLevelLoaded,this),t.on(s["Events"].AUDIO_TRACKS_UPDATED,this.onAudioTracksUpdated,this),t.on(s["Events"].AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),t.on(s["Events"].AUDIO_TRACK_LOADED,this.onAudioTrackLoaded,this),t.on(s["Events"].ERROR,this.onError,this),t.on(s["Events"].BUFFER_RESET,this.onBufferReset,this),t.on(s["Events"].BUFFER_CREATED,this.onBufferCreated,this),t.on(s["Events"].BUFFER_FLUSHED,this.onBufferFlushed,this),t.on(s["Events"].INIT_PTS_FOUND,this.onInitPtsFound,this),t.on(s["Events"].FRAG_BUFFERED,this.onFragBuffered,this)},r._unregisterListeners=function(){var t=this.hls;t.off(s["Events"].MEDIA_ATTACHED,this.onMediaAttached,this),t.off(s["Events"].MEDIA_DETACHING,this.onMediaDetaching,this),t.off(s["Events"].MANIFEST_LOADING,this.onManifestLoading,this),t.off(s["Events"].LEVEL_LOADED,this.onLevelLoaded,this),t.off(s["Events"].AUDIO_TRACKS_UPDATED,this.onAudioTracksUpdated,this),t.off(s["Events"].AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),t.off(s["Events"].AUDIO_TRACK_LOADED,this.onAudioTrackLoaded,this),t.off(s["Events"].ERROR,this.onError,this),t.off(s["Events"].BUFFER_RESET,this.onBufferReset,this),t.off(s["Events"].BUFFER_CREATED,this.onBufferCreated,this),t.off(s["Events"].BUFFER_FLUSHED,this.onBufferFlushed,this),t.off(s["Events"].INIT_PTS_FOUND,this.onInitPtsFound,this),t.off(s["Events"].FRAG_BUFFERED,this.onFragBuffered,this)},r.onInitPtsFound=function(t,e){var r=e.frag,i=e.id,s=e.initPTS;if("main"===i){var a=r.cc;this.initPTS[r.cc]=s,this.log("InitPTS for cc: "+a+" found from main: "+s),this.videoTrackCC=a,this.state===n["State"].WAITING_INIT_PTS&&this.tick()}},r.startLoad=function(t){if(!this.levels)return this.startPosition=t,void(this.state=n["State"].STOPPED);var e=this.lastCurrentTime;this.stopLoad(),this.setInterval(S),this.fragLoadError=0,e>0&&-1===t?(this.log("Override startPosition with lastCurrentTime @"+e.toFixed(3)),this.state=n["State"].IDLE):(this.loadedmetadata=!1,this.state=n["State"].WAITING_TRACK),this.nextLoadPosition=this.startPosition=this.lastCurrentTime=t,this.tick()},r.doTick=function(){switch(this.state){case n["State"].IDLE:this.doTickIdle();break;case n["State"].WAITING_TRACK:var e,r=this.levels,i=this.trackId,s=null===r||void 0===r||null===(e=r[i])||void 0===e?void 0:e.details;if(s){if(this.waitForCdnTuneIn(s))break;this.state=n["State"].WAITING_INIT_PTS}break;case n["State"].FRAG_LOADING_WAITING_RETRY:var o,l=performance.now(),u=this.retryDate;(!u||l>=u||null!==(o=this.media)&&void 0!==o&&o.seeking)&&(this.log("RetryDate reached, switch back to IDLE state"),this.state=n["State"].IDLE);break;case n["State"].WAITING_INIT_PTS:var c=this.waitingData;if(c){var d=c.frag,h=c.part,f=c.cache,v=c.complete;if(void 0!==this.initPTS[d.cc]){this.waitingData=null,this.waitingVideoCC=-1,this.state=n["State"].FRAG_LOADING;var p=f.flush(),y={frag:d,part:h,payload:p,networkDetails:null};this._handleFragmentLoadProgress(y),v&&t.prototype._handleFragmentLoadComplete.call(this,y)}else if(this.videoTrackCC!==this.waitingVideoCC)m["logger"].log("Waiting fragment cc ("+d.cc+") cancelled because video is at cc "+this.videoTrackCC),this.clearWaitingFragment();else{var E=this.getLoadPosition(),T=a["BufferHelper"].bufferInfo(this.mediaBuffer,E,this.config.maxBufferHole),S=Object(g["fragmentWithinToleranceTest"])(T.end,this.config.maxFragLookUpTolerance,d);S<0&&(m["logger"].log("Waiting fragment cc ("+d.cc+") @ "+d.start+" cancelled because another fragment at "+T.end+" is needed"),this.clearWaitingFragment())}}else this.state=n["State"].IDLE}this.onTickEnd()},r.clearWaitingFragment=function(){var t=this.waitingData;t&&(this.fragmentTracker.removeFragment(t.frag),this.waitingData=null,this.waitingVideoCC=-1,this.state=n["State"].IDLE)},r.onTickEnd=function(){var t=this.media;if(t&&t.readyState){var e=this.mediaBuffer?this.mediaBuffer:t,r=e.buffered;!this.loadedmetadata&&r.length&&(this.loadedmetadata=!0),this.lastCurrentTime=t.currentTime}},r.doTickIdle=function(){var t,e,r=this.hls,i=this.levels,a=this.media,o=this.trackId,l=r.config;if(i&&i[o]&&(a||!this.startFragRequested&&l.startFragPrefetch)){var d=i[o],h=d.details;if(!h||h.live&&this.levelLastLoaded!==o||this.waitForCdnTuneIn(h))this.state=n["State"].WAITING_TRACK;else{this.bufferFlushed&&(this.bufferFlushed=!1,this.afterBufferFlushed(this.mediaBuffer?this.mediaBuffer:this.media,c["ElementaryStreamTypes"].AUDIO,u["PlaylistLevelType"].AUDIO));var f=this.getFwdBufferInfo(this.mediaBuffer?this.mediaBuffer:this.media,u["PlaylistLevelType"].AUDIO);if(null!==f){var g=f.len,v=this.getMaxBufferLength(),p=this.audioSwitch;if(!(g>=v)||p){if(!p&&this._streamEnded(f,h))return r.trigger(s["Events"].BUFFER_EOS,{type:"audio"}),void(this.state=n["State"].ENDED);var m=h.fragments,y=m[0].start,E=f.end;if(p){var T=this.getLoadPosition();E=T,h.PTSKnown&&T<y&&(f.end>y||f.nextStart)&&(this.log("Alt audio track ahead of main track, seek to start of alt audio track"),a.currentTime=y+.05)}var S=this.getNextFragment(E,h);S?"identity"!==(null===(t=S.decryptdata)||void 0===t?void 0:t.keyFormat)||null!==(e=S.decryptdata)&&void 0!==e&&e.key?this.loadFragment(S,h,E):this.loadKey(S,h):this.bufferFlushed=!0}}}}},r.getMaxBufferLength=function(){var e=t.prototype.getMaxBufferLength.call(this),r=this.getFwdBufferInfo(this.videoBuffer?this.videoBuffer:this.media,u["PlaylistLevelType"].MAIN);return null===r?e:Math.max(e,r.len)},r.onMediaDetaching=function(){this.videoBuffer=null,t.prototype.onMediaDetaching.call(this)},r.onAudioTracksUpdated=function(t,e){var r=e.audioTracks;this.resetTransmuxer(),this.levels=r.map((function(t){return new l["Level"](t)}))},r.onAudioTrackSwitching=function(t,e){var r=!!e.url;this.trackId=e.id;var i=this.fragCurrent;null!==i&&void 0!==i&&i.loader&&i.loader.abort(),this.fragCurrent=null,this.clearWaitingFragment(),r?this.setInterval(S):this.resetTransmuxer(),r?(this.audioSwitch=!0,this.state=n["State"].IDLE):this.state=n["State"].STOPPED,this.tick()},r.onManifestLoading=function(){this.mainDetails=null,this.fragmentTracker.removeAllFragments(),this.startPosition=this.lastCurrentTime=0,this.bufferFlushed=!1},r.onLevelLoaded=function(t,e){this.mainDetails=e.details},r.onAudioTrackLoaded=function(t,e){var r,i=this.levels,s=e.details,a=e.id;if(i){this.log("Track "+a+" loaded ["+s.startSN+","+s.endSN+"],duration:"+s.totalduration);var o=i[a],l=0;if(s.live||null!==(r=o.details)&&void 0!==r&&r.live){var u=this.mainDetails;if(s.fragments[0]||(s.deltaUpdateFailed=!0),s.deltaUpdateFailed||!u)return;!o.details&&s.hasProgramDateTime&&u.hasProgramDateTime?(Object(v["alignMediaPlaylistByPDT"])(s,u),l=s.fragments[0].start):l=this.alignPlaylists(s,o.details)}o.details=s,this.levelLastLoaded=a,this.startFragRequested||!this.mainDetails&&s.live||this.setStartPosition(o.details,l),this.state!==n["State"].WAITING_TRACK||this.waitForCdnTuneIn(s)||(this.state=n["State"].IDLE),this.tick()}else this.warn("Audio tracks were reset while loading level "+a)},r._handleFragmentLoadProgress=function(t){var e,r=t.frag,i=t.part,s=t.payload,a=this.config,o=this.trackId,l=this.levels;if(l){var c=l[o];console.assert(c,"Audio track is defined on fragment load progress");var g=c.details;console.assert(g,"Audio track details are defined on fragment load progress");var v=a.defaultAudioCodec||c.audioCodec||"mp4a.40.2",p=this.transmuxer;p||(p=this.transmuxer=new h["default"](this.hls,u["PlaylistLevelType"].AUDIO,this._handleTransmuxComplete.bind(this),this._handleTransmuxerFlush.bind(this)));var y=this.initPTS[r.cc],E=null===(e=r.initSegment)||void 0===e?void 0:e.data;if(void 0!==y){var T=!1,S=i?i.index:-1,b=-1!==S,L=new f["ChunkMetadata"](r.level,r.sn,r.stats.chunkCount,s.byteLength,S,b);p.push(s,E,v,"",r,i,g.totalduration,T,L,y)}else{m["logger"].log("Unknown video PTS for cc "+r.cc+", waiting for video PTS before demuxing audio frag "+r.sn+" of ["+g.startSN+" ,"+g.endSN+"],track "+o);var A=this.waitingData=this.waitingData||{frag:r,part:i,cache:new d["default"],complete:!1},D=A.cache;D.push(new Uint8Array(s)),this.waitingVideoCC=this.videoTrackCC,this.state=n["State"].WAITING_INIT_PTS}}else this.warn("Audio tracks were reset while fragment load was in progress. Fragment "+r.sn+" of level "+r.level+" will not be buffered")},r._handleFragmentLoadComplete=function(e){this.waitingData?this.waitingData.complete=!0:t.prototype._handleFragmentLoadComplete.call(this,e)},r.onBufferReset=function(){this.mediaBuffer=this.videoBuffer=null,this.loadedmetadata=!1},r.onBufferCreated=function(t,e){var r=e.tracks.audio;r&&(this.mediaBuffer=r.buffer),e.tracks.video&&(this.videoBuffer=e.tracks.video.buffer)},r.onFragBuffered=function(t,e){var r=e.frag,i=e.part;r.type===u["PlaylistLevelType"].AUDIO&&(this.fragContextChanged(r)?this.warn("Fragment "+r.sn+(i?" p: "+i.index:"")+" of level "+r.level+" finished buffering, but was aborted. state: "+this.state+", audioSwitch: "+this.audioSwitch):("initSegment"!==r.sn&&(this.fragPrevious=r,this.audioSwitch&&(this.audioSwitch=!1,this.hls.trigger(s["Events"].AUDIO_TRACK_SWITCHED,{id:this.trackId}))),this.fragBufferedComplete(r,i)))},r.onError=function(e,r){switch(r.details){case p["ErrorDetails"].FRAG_LOAD_ERROR:case p["ErrorDetails"].FRAG_LOAD_TIMEOUT:case p["ErrorDetails"].KEY_LOAD_ERROR:case p["ErrorDetails"].KEY_LOAD_TIMEOUT:this.onFragmentOrKeyLoadError(u["PlaylistLevelType"].AUDIO,r);break;case p["ErrorDetails"].AUDIO_TRACK_LOAD_ERROR:case p["ErrorDetails"].AUDIO_TRACK_LOAD_TIMEOUT:this.state!==n["State"].ERROR&&this.state!==n["State"].STOPPED&&(this.state=r.fatal?n["State"].ERROR:n["State"].IDLE,this.warn(r.details+" while loading frag, switching to "+this.state+" state"));break;case p["ErrorDetails"].BUFFER_FULL_ERROR:if("audio"===r.parent&&(this.state===n["State"].PARSING||this.state===n["State"].PARSED)){var i=!0,s=this.getFwdBufferInfo(this.mediaBuffer,u["PlaylistLevelType"].AUDIO);s&&s.len>.5&&(i=!this.reduceMaxBufferLength(s.len)),i&&(this.warn("Buffer full error also media.currentTime is not buffered, flush audio buffer"),this.fragCurrent=null,t.prototype.flushMainBuffer.call(this,0,Number.POSITIVE_INFINITY,"audio")),this.resetLoadingState()}break;default:break}},r.onBufferFlushed=function(t,e){var r=e.type;r===c["ElementaryStreamTypes"].AUDIO&&(this.bufferFlushed=!0)},r._handleTransmuxComplete=function(t){var e,r="audio",i=this.hls,a=t.remuxResult,o=t.chunkMeta,l=this.getCurrentContext(o);if(!l)return this.warn("The loading context changed while buffering fragment "+o.sn+" of level "+o.level+". This chunk will not be buffered."),void this.resetLiveStartWhenNotLoaded(o.level);var u=l.frag,d=l.part,h=a.audio,f=a.text,g=a.id3,v=a.initSegment;if(!this.fragContextChanged(u)){if(this.state=n["State"].PARSING,this.audioSwitch&&h&&this.completeAudioSwitch(),null!==v&&void 0!==v&&v.tracks&&(this._bufferInitSegment(v.tracks,u,o),i.trigger(s["Events"].FRAG_PARSING_INIT_SEGMENT,{frag:u,id:r,tracks:v.tracks})),h){var p=h.startPTS,m=h.endPTS,E=h.startDTS,T=h.endDTS;d&&(d.elementaryStreams[c["ElementaryStreamTypes"].AUDIO]={startPTS:p,endPTS:m,startDTS:E,endDTS:T}),u.setElementaryStreamInfo(c["ElementaryStreamTypes"].AUDIO,p,m,E,T),this.bufferFragmentData(h,u,d,o)}if(null!==g&&void 0!==g&&null!==(e=g.samples)&&void 0!==e&&e.length){var S=y({frag:u,id:r},g);i.trigger(s["Events"].FRAG_PARSING_METADATA,S)}if(f){var b=y({frag:u,id:r},f);i.trigger(s["Events"].FRAG_PARSING_USERDATA,b)}}},r._bufferInitSegment=function(t,e,r){if(this.state===n["State"].PARSING){t.video&&delete t.video;var i=t.audio;if(i){i.levelCodec=i.codec,i.id="audio",this.log("Init audio buffer, container:"+i.container+", codecs[parsed]=["+i.codec+"]"),this.hls.trigger(s["Events"].BUFFER_CODECS,t);var a=i.initSegment;if(null!==a&&void 0!==a&&a.byteLength){var o={type:"audio",frag:e,part:null,chunkMeta:r,parent:e.type,data:a};this.hls.trigger(s["Events"].BUFFER_APPENDING,o)}this.tick()}}},r.loadFragment=function(e,r,s){var a=this.fragmentTracker.getState(e);this.fragCurrent=e,(this.audioSwitch||a===o["FragmentState"].NOT_LOADED||a===o["FragmentState"].PARTIAL)&&("initSegment"===e.sn?this._loadInitSegment(e):r.live&&!Object(i["isFiniteNumber"])(this.initPTS[e.cc])?(this.log("Waiting for video PTS in continuity counter "+e.cc+" of live stream before loading audio fragment "+e.sn+" of level "+this.trackId),this.state=n["State"].WAITING_INIT_PTS):(this.startFragRequested=!0,t.prototype.loadFragment.call(this,e,r,s)))},r.completeAudioSwitch=function(){var e=this.hls,r=this.media,i=this.trackId;r&&(this.log("Switching audio track : flushing all audio"),t.prototype.flushMainBuffer.call(this,0,Number.POSITIVE_INFINITY,"audio")),this.audioSwitch=!1,e.trigger(s["Events"].AUDIO_TRACK_SWITCHED,{id:i})},e}(n["default"]);e["default"]=b},"./src/controller/audio-track-controller.ts":
    26. 

  26. /*!**************************************************!*\
    27. 

  27.   !*** ./src/controller/audio-track-controller.ts ***!
    28. 

  28.   \**************************************************/
    29. 

  29. /*! exports provided: default */function(t,e,r){"use strict";r.r(e);var i=r(/*! ../events */"./src/events.ts"),n=r(/*! ../errors */"./src/errors.ts"),s=r(/*! ./base-playlist-controller */"./src/controller/base-playlist-controller.ts"),a=r(/*! ../types/loader */"./src/types/loader.ts");function o(t,e){for(var r=0;r<e.length;r++){var i=e[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}function l(t,e,r){return e&&o(t.prototype,e),r&&o(t,r),t}function u(t,e){t.prototype=Object.create(e.prototype),t.prototype.constructor=t,c(t,e)}function c(t,e){return c=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t},c(t,e)}var d=function(t){function e(e){var r;return r=t.call(this,e,"[audio-track-controller]")||this,r.tracks=[],r.groupId=null,r.tracksInGroup=[],r.trackId=-1,r.trackName="",r.selectDefaultTrack=!0,r.registerListeners(),r}u(e,t);var r=e.prototype;return r.registerListeners=function(){var t=this.hls;t.on(i["Events"].MANIFEST_LOADING,this.onManifestLoading,this),t.on(i["Events"].MANIFEST_PARSED,this.onManifestParsed,this),t.on(i["Events"].LEVEL_LOADING,this.onLevelLoading,this),t.on(i["Events"].LEVEL_SWITCHING,this.onLevelSwitching,this),t.on(i["Events"].AUDIO_TRACK_LOADED,this.onAudioTrackLoaded,this),t.on(i["Events"].ERROR,this.onError,this)},r.unregisterListeners=function(){var t=this.hls;t.off(i["Events"].MANIFEST_LOADING,this.onManifestLoading,this),t.off(i["Events"].MANIFEST_PARSED,this.onManifestParsed,this),t.off(i["Events"].LEVEL_LOADING,this.onLevelLoading,this),t.off(i["Events"].LEVEL_SWITCHING,this.onLevelSwitching,this),t.off(i["Events"].AUDIO_TRACK_LOADED,this.onAudioTrackLoaded,this),t.off(i["Events"].ERROR,this.onError,this)},r.destroy=function(){this.unregisterListeners(),this.tracks.length=0,this.tracksInGroup.length=0,t.prototype.destroy.call(this)},r.onManifestLoading=function(){this.tracks=[],this.groupId=null,this.tracksInGroup=[],this.trackId=-1,this.trackName="",this.selectDefaultTrack=!0},r.onManifestParsed=function(t,e){this.tracks=e.audioTracks||[]},r.onAudioTrackLoaded=function(t,e){var r=e.id,i=e.details,n=this.tracksInGroup[r];if(n){var s=n.details;n.details=e.details,this.log("audioTrack "+r+" loaded ["+i.startSN+"-"+i.endSN+"]"),r===this.trackId&&(this.retryCount=0,this.playlistLoaded(r,e,s))}else this.warn("Invalid audio track id "+r)},r.onLevelLoading=function(t,e){this.switchLevel(e.level)},r.onLevelSwitching=function(t,e){this.switchLevel(e.level)},r.switchLevel=function(t){var e=this.hls.levels[t];if(null!==e&&void 0!==e&&e.audioGroupIds){var r=e.audioGroupIds[e.urlId];if(this.groupId!==r){this.groupId=r;var n=this.tracks.filter((function(t){return!r||t.groupId===r}));this.selectDefaultTrack&&!n.some((function(t){return t.default}))&&(this.selectDefaultTrack=!1),this.tracksInGroup=n;var s={audioTracks:n};this.log("Updating audio tracks, "+n.length+' track(s) found in "'+r+'" group-id'),this.hls.trigger(i["Events"].AUDIO_TRACKS_UPDATED,s),this.selectInitialTrack()}}},r.onError=function(e,r){t.prototype.onError.call(this,e,r),!r.fatal&&r.context&&r.context.type===a["PlaylistContextType"].AUDIO_TRACK&&r.context.id===this.trackId&&r.context.groupId===this.groupId&&this.retryLoadingOrFail(r)},r.setAudioTrack=function(t){var e=this.tracksInGroup;if(t<0||t>=e.length)this.warn("Invalid id passed to audio-track controller");else{this.clearTimer();var r=e[this.trackId];this.log("Now switching to audio-track index "+t);var n=e[t],s=n.id,a=n.groupId,o=void 0===a?"":a,l=n.name,u=n.type,c=n.url;if(this.trackId=t,this.trackName=l,this.selectDefaultTrack=!1,this.hls.trigger(i["Events"].AUDIO_TRACK_SWITCHING,{id:s,groupId:o,name:l,type:u,url:c}),!n.details||n.details.live){var d=this.switchParams(n.url,null===r||void 0===r?void 0:r.details);this.loadPlaylist(d)}}},r.selectInitialTrack=function(){var t=this.tracksInGroup;console.assert(t.length,"Initial audio track should be selected when tracks are known");var e=this.trackName,r=this.findTrackId(e)||this.findTrackId();-1!==r?this.setAudioTrack(r):(this.warn("No track found for running audio group-ID: "+this.groupId),this.hls.trigger(i["Events"].ERROR,{type:n["ErrorTypes"].MEDIA_ERROR,details:n["ErrorDetails"].AUDIO_TRACK_LOAD_ERROR,fatal:!0}))},r.findTrackId=function(t){for(var e=this.tracksInGroup,r=0;r<e.length;r++){var i=e[r];if((!this.selectDefaultTrack||i.default)&&(!t||t===i.name))return i.id}return-1},r.loadPlaylist=function(t){var e=this.tracksInGroup[this.trackId];if(this.shouldLoadTrack(e)){var r=e.id,n=e.groupId,s=e.url;if(t)try{s=t.addDirectives(s)}catch(a){this.warn("Could not construct new URL with HLS Delivery Directives: "+a)}this.log("loading audio-track playlist for id: "+r),this.clearTimer(),this.hls.trigger(i["Events"].AUDIO_TRACK_LOADING,{url:s,id:r,groupId:n,deliveryDirectives:t||null})}},l(e,[{key:"audioTracks",get:function(){return this.tracksInGroup}},{key:"audioTrack",get:function(){return this.trackId},set:function(t){this.selectDefaultTrack=!1,this.setAudioTrack(t)}}]),e}(s["default"]);e["default"]=d},"./src/controller/base-playlist-controller.ts":
    30. 

  30. /*!****************************************************!*\
    31. 

  31.   !*** ./src/controller/base-playlist-controller.ts ***!
    32. 

  32.   \****************************************************/
    33. 

  33. /*! exports provided: default */function(t,e,r){"use strict";r.r(e),r.d(e,"default",(function(){return l}));var i=r(/*! ./src/polyfills/number */"./src/polyfills/number.ts"),n=r(/*! ../types/level */"./src/types/level.ts"),s=r(/*! ./level-helper */"./src/controller/level-helper.ts"),a=r(/*! ../utils/logger */"./src/utils/logger.ts"),o=r(/*! ../errors */"./src/errors.ts"),l=function(){function t(t,e){this.hls=void 0,this.timer=-1,this.canLoad=!1,this.retryCount=0,this.log=void 0,this.warn=void 0,this.log=a["logger"].log.bind(a["logger"],e+":"),this.warn=a["logger"].warn.bind(a["logger"],e+":"),this.hls=t}var e=t.prototype;return e.destroy=function(){this.clearTimer(),this.hls=this.log=this.warn=null},e.onError=function(t,e){e.fatal&&e.type===o["ErrorTypes"].NETWORK_ERROR&&this.clearTimer()},e.clearTimer=function(){clearTimeout(this.timer),this.timer=-1},e.startLoad=function(){this.canLoad=!0,this.retryCount=0,this.loadPlaylist()},e.stopLoad=function(){this.canLoad=!1,this.clearTimer()},e.switchParams=function(t,e){var r=null===e||void 0===e?void 0:e.renditionReports;if(r)for(var s=0;s<r.length;s++){var a=r[s],o=""+a.URI;if(o===t.substr(-o.length)){var l=parseInt(a["LAST-MSN"]),u=parseInt(a["LAST-PART"]);if(e&&this.hls.config.lowLatencyMode){var c=Math.min(e.age-e.partTarget,e.targetduration);void 0!==u&&c>e.partTarget&&(u+=1)}if(Object(i["isFiniteNumber"])(l))return new n["HlsUrlParameters"](l,Object(i["isFiniteNumber"])(u)?u:void 0,n["HlsSkip"].No)}}},e.loadPlaylist=function(t){},e.shouldLoadTrack=function(t){return this.canLoad&&t&&!!t.url&&(!t.details||t.details.live)},e.playlistLoaded=function(t,e,r){var i=this,n=e.details,a=e.stats,o=a.loading.end?Math.max(0,self.performance.now()-a.loading.end):0;if(n.advancedDateTime=Date.now()-o,n.live||null!==r&&void 0!==r&&r.live){if(n.reloaded(r),r&&this.log("live playlist "+t+" "+(n.advanced?"REFRESHED "+n.lastPartSn+"-"+n.lastPartIndex:"MISSED")),r&&n.fragments.length>0&&Object(s["mergeDetails"])(r,n),!this.canLoad||!n.live)return;var l,u=void 0,c=void 0;if(n.canBlockReload&&n.endSN&&n.advanced){var d=this.hls.config.lowLatencyMode,h=n.lastPartSn,f=n.endSN,g=n.lastPartIndex,v=-1!==g,p=h===f,m=d?0:g;v?(u=p?f+1:h,c=p?m:g+1):u=f+1;var y=n.age,E=y+n.ageHeader,T=Math.min(E-n.partTarget,1.5*n.targetduration);if(T>0){if(r&&T>r.tuneInGoal)this.warn("CDN Tune-in goal increased from: "+r.tuneInGoal+" to: "+T+" with playlist age: "+n.age),T=0;else{var S=Math.floor(T/n.targetduration);if(u+=S,void 0!==c){var b=Math.round(T%n.targetduration/n.partTarget);c+=b}this.log("CDN Tune-in age: "+n.ageHeader+"s last advanced "+y.toFixed(2)+"s goal: "+T+" skip sn "+S+" to part "+c)}n.tuneInGoal=T}if(l=this.getDeliveryDirectives(n,e.deliveryDirectives,u,c),d||!p)return void this.loadPlaylist(l)}else l=this.getDeliveryDirectives(n,e.deliveryDirectives,u,c);var L=Object(s["computeReloadInterval"])(n,a);void 0!==u&&n.canBlockReload&&(L-=n.partTarget||1),this.log("reload live playlist "+t+" in "+Math.round(L)+" ms"),this.timer=self.setTimeout((function(){return i.loadPlaylist(l)}),L)}else this.clearTimer()},e.getDeliveryDirectives=function(t,e,r,i){var s=Object(n["getSkipValue"])(t,r);return null!==e&&void 0!==e&&e.skip&&t.deltaUpdateFailed&&(r=e.msn,i=e.part,s=n["HlsSkip"].No),new n["HlsUrlParameters"](r,i,s)},e.retryLoadingOrFail=function(t){var e,r=this,i=this.hls.config,n=this.retryCount<i.levelLoadingMaxRetry;if(n)if(this.retryCount++,t.details.indexOf("LoadTimeOut")>-1&&null!==(e=t.context)&&void 0!==e&&e.deliveryDirectives)this.warn("retry playlist loading #"+this.retryCount+' after "'+t.details+'"'),this.loadPlaylist();else{var s=Math.min(Math.pow(2,this.retryCount)*i.levelLoadingRetryDelay,i.levelLoadingMaxRetryTimeout);this.timer=self.setTimeout((function(){return r.loadPlaylist()}),s),this.warn("retry playlist loading #"+this.retryCount+" in "+s+' ms after "'+t.details+'"')}else this.warn('cannot recover from error "'+t.details+'"'),this.clearTimer(),t.fatal=!0;return n},t}()},"./src/controller/base-stream-controller.ts":
    34. 

  34. /*!**************************************************!*\
    35. 

  35.   !*** ./src/controller/base-stream-controller.ts ***!
    36. 

  36.   \**************************************************/
    37. 

  37. /*! exports provided: State, default */function(t,e,r){"use strict";r.r(e),r.d(e,"State",(function(){return A})),r.d(e,"default",(function(){return D}));var i=r(/*! ./src/polyfills/number */"./src/polyfills/number.ts"),n=r(/*! ../task-loop */"./src/task-loop.ts"),s=r(/*! ./fragment-tracker */"./src/controller/fragment-tracker.ts"),a=r(/*! ../utils/buffer-helper */"./src/utils/buffer-helper.ts"),o=r(/*! ../utils/logger */"./src/utils/logger.ts"),l=r(/*! ../events */"./src/events.ts"),u=r(/*! ../errors */"./src/errors.ts"),c=r(/*! ../types/transmuxer */"./src/types/transmuxer.ts"),d=r(/*! ../utils/mp4-tools */"./src/utils/mp4-tools.ts"),h=r(/*! ../utils/discontinuities */"./src/utils/discontinuities.ts"),f=r(/*! ./fragment-finders */"./src/controller/fragment-finders.ts"),g=r(/*! ./level-helper */"./src/controller/level-helper.ts"),v=r(/*! ../loader/fragment-loader */"./src/loader/fragment-loader.ts"),p=r(/*! ../crypt/decrypter */"./src/crypt/decrypter.ts"),m=r(/*! ../utils/time-ranges */"./src/utils/time-ranges.ts"),y=r(/*! ../types/loader */"./src/types/loader.ts");function E(t,e){for(var r=0;r<e.length;r++){var i=e[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}function T(t,e,r){return e&&E(t.prototype,e),r&&E(t,r),t}function S(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}function b(t,e){t.prototype=Object.create(e.prototype),t.prototype.constructor=t,L(t,e)}function L(t,e){return L=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t},L(t,e)}var A={STOPPED:"STOPPED",IDLE:"IDLE",KEY_LOADING:"KEY_LOADING",FRAG_LOADING:"FRAG_LOADING",FRAG_LOADING_WAITING_RETRY:"FRAG_LOADING_WAITING_RETRY",WAITING_TRACK:"WAITING_TRACK",PARSING:"PARSING",PARSED:"PARSED",BACKTRACKING:"BACKTRACKING",ENDED:"ENDED",ERROR:"ERROR",WAITING_INIT_PTS:"WAITING_INIT_PTS",WAITING_LEVEL:"WAITING_LEVEL"},D=function(t){function e(e,r,i){var n;return n=t.call(this)||this,n.hls=void 0,n.fragPrevious=null,n.fragCurrent=null,n.fragmentTracker=void 0,n.transmuxer=null,n._state=A.STOPPED,n.media=void 0,n.mediaBuffer=void 0,n.config=void 0,n.bitrateTest=!1,n.lastCurrentTime=0,n.nextLoadPosition=0,n.startPosition=0,n.loadedmetadata=!1,n.fragLoadError=0,n.retryDate=0,n.levels=null,n.fragmentLoader=void 0,n.levelLastLoaded=null,n.startFragRequested=!1,n.decrypter=void 0,n.initPTS=[],n.onvseeking=null,n.onvended=null,n.logPrefix="",n.log=void 0,n.warn=void 0,n.logPrefix=i,n.log=o["logger"].log.bind(o["logger"],i+":"),n.warn=o["logger"].warn.bind(o["logger"],i+":"),n.hls=e,n.fragmentLoader=new v["default"](e.config),n.fragmentTracker=r,n.config=e.config,n.decrypter=new p["default"](e,e.config),e.on(l["Events"].KEY_LOADED,n.onKeyLoaded,S(n)),n}b(e,t);var r=e.prototype;return r.doTick=function(){this.onTickEnd()},r.onTickEnd=function(){},r.startLoad=function(t){},r.stopLoad=function(){this.fragmentLoader.abort();var t=this.fragCurrent;t&&this.fragmentTracker.removeFragment(t),this.resetTransmuxer(),this.fragCurrent=null,this.fragPrevious=null,this.clearInterval(),this.clearNextTick(),this.state=A.STOPPED},r._streamEnded=function(t,e){var r=this.fragCurrent,i=this.fragmentTracker;if(!e.live&&r&&r.sn===e.endSN&&!t.nextStart){var n=i.getState(r);return n===s["FragmentState"].PARTIAL||n===s["FragmentState"].OK}return!1},r.onMediaAttached=function(t,e){var r=this.media=this.mediaBuffer=e.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvended=this.onMediaEnded.bind(this),r.addEventListener("seeking",this.onvseeking),r.addEventListener("ended",this.onvended);var i=this.config;this.levels&&i.autoStartLoad&&this.state===A.STOPPED&&this.startLoad(i.startPosition)},r.onMediaDetaching=function(){var t=this.media;null!==t&&void 0!==t&&t.ended&&(this.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0),t&&(t.removeEventListener("seeking",this.onvseeking),t.removeEventListener("ended",this.onvended),this.onvseeking=this.onvended=null),this.media=this.mediaBuffer=null,this.loadedmetadata=!1,this.fragmentTracker.removeAllFragments(),this.stopLoad()},r.onMediaSeeking=function(){var t=this.config,e=this.fragCurrent,r=this.media,n=this.mediaBuffer,s=this.state,o=r?r.currentTime:0,l=a["BufferHelper"].bufferInfo(n||r,o,t.maxBufferHole);if(this.log("media seeking to "+(Object(i["isFiniteNumber"])(o)?o.toFixed(3):o)+", state: "+s),s===A.ENDED)this.resetLoadingState();else if(e&&!l.len){var u=t.maxFragLookUpTolerance,c=e.start-u,d=e.start+e.duration+u,h=o>d;(o<c||h)&&(h&&e.loader&&(this.log("seeking outside of buffer while fragment load in progress, cancel fragment load"),e.loader.abort()),this.resetLoadingState())}r&&(this.lastCurrentTime=o),this.loadedmetadata||l.len||(this.nextLoadPosition=this.startPosition=o),this.tickImmediate()},r.onMediaEnded=function(){this.startPosition=this.lastCurrentTime=0},r.onKeyLoaded=function(t,e){if(this.state===A.KEY_LOADING&&e.frag===this.fragCurrent&&this.levels){this.state=A.IDLE;var r=this.levels[e.frag.level].details;r&&this.loadFragment(e.frag,r,e.frag.start)}},r.onHandlerDestroying=function(){this.stopLoad(),t.prototype.onHandlerDestroying.call(this)},r.onHandlerDestroyed=function(){this.state=A.STOPPED,this.hls.off(l["Events"].KEY_LOADED,this.onKeyLoaded,this),this.fragmentLoader&&this.fragmentLoader.destroy(),this.decrypter&&this.decrypter.destroy(),this.hls=this.log=this.warn=this.decrypter=this.fragmentLoader=this.fragmentTracker=null,t.prototype.onHandlerDestroyed.call(this)},r.loadKey=function(t,e){this.log("Loading key for "+t.sn+" of ["+e.startSN+"-"+e.endSN+"], "+("[stream-controller]"===this.logPrefix?"level":"track")+" "+t.level),this.state=A.KEY_LOADING,this.fragCurrent=t,this.hls.trigger(l["Events"].KEY_LOADING,{frag:t})},r.loadFragment=function(t,e,r){this._loadFragForPlayback(t,e,r)},r._loadFragForPlayback=function(t,e,r){var i=this,n=function(e){if(i.fragContextChanged(t))return i.warn("Fragment "+t.sn+(e.part?" p: "+e.part.index:"")+" of level "+t.level+" was dropped during download."),void i.fragmentTracker.removeFragment(t);t.stats.chunkCount++,i._handleFragmentLoadProgress(e)};this._doFragLoad(t,e,r,n).then((function(e){if(e){i.fragLoadError=0;var r=i.state;if(!i.fragContextChanged(t))return"payload"in e&&(i.log("Loaded fragment "+t.sn+" of level "+t.level),i.hls.trigger(l["Events"].FRAG_LOADED,e),i.state===A.BACKTRACKING)?(i.fragmentTracker.backtrack(t,e),void i.resetFragmentLoading(t)):void i._handleFragmentLoadComplete(e);(r===A.FRAG_LOADING||r===A.BACKTRACKING||!i.fragCurrent&&r===A.PARSING)&&(i.fragmentTracker.removeFragment(t),i.state=A.IDLE)}})).catch((function(e){i.warn(e),i.resetFragmentLoading(t)}))},r.flushMainBuffer=function(t,e,r){if(void 0===r&&(r=null),t-e){var i={startOffset:t,endOffset:e,type:r};this.fragLoadError=0,this.hls.trigger(l["Events"].BUFFER_FLUSHING,i)}},r._loadInitSegment=function(t){var e=this;this._doFragLoad(t).then((function(r){if(!r||e.fragContextChanged(t)||!e.levels)throw new Error("init load aborted");return r})).then((function(r){var i=e.hls,n=r.payload,s=t.decryptdata;if(n&&n.byteLength>0&&s&&s.key&&s.iv&&"AES-128"===s.method){var a=self.performance.now();return e.decrypter.webCryptoDecrypt(new Uint8Array(n),s.key.buffer,s.iv.buffer).then((function(e){var n=self.performance.now();return i.trigger(l["Events"].FRAG_DECRYPTED,{frag:t,payload:e,stats:{tstart:a,tdecrypt:n}}),r.payload=e,r}))}return r})).then((function(r){var i=e.fragCurrent,n=e.hls,s=e.levels;if(!s)throw new Error("init load aborted, missing levels");var a=s[t.level].details;console.assert(a,"Level details are defined when init segment is loaded");var o=t.stats;e.state=A.IDLE,e.fragLoadError=0,t.data=new Uint8Array(r.payload),o.parsing.start=o.buffering.start=self.performance.now(),o.parsing.end=o.buffering.end=self.performance.now(),r.frag===i&&n.trigger(l["Events"].FRAG_BUFFERED,{stats:o,frag:i,part:null,id:t.type}),e.tick()})).catch((function(r){e.warn(r),e.resetFragmentLoading(t)}))},r.fragContextChanged=function(t){var e=this.fragCurrent;return!t||!e||t.level!==e.level||t.sn!==e.sn||t.urlId!==e.urlId},r.fragBufferedComplete=function(t,e){var r=this.mediaBuffer?this.mediaBuffer:this.media;this.log("Buffered "+t.type+" sn: "+t.sn+(e?" part: "+e.index:"")+" of "+("[stream-controller]"===this.logPrefix?"level":"track")+" "+t.level+" "+m["default"].toString(a["BufferHelper"].getBuffered(r))),this.state=A.IDLE,this.tick()},r._handleFragmentLoadComplete=function(t){var e=this.transmuxer;if(e){var r=t.frag,i=t.part,n=t.partsLoaded,s=!n||0===n.length||n.some((function(t){return!t})),a=new c["ChunkMetadata"](r.level,r.sn,r.stats.chunkCount+1,0,i?i.index:-1,!s);e.flush(a)}},r._handleFragmentLoadProgress=function(t){},r._doFragLoad=function(t,e,r,n){var s=this;if(void 0===r&&(r=null),!this.levels)throw new Error("frag load aborted, missing levels");if(r=Math.max(t.start,r||0),this.config.lowLatencyMode&&e){var a=e.partList;if(a&&n){r>t.end&&e.fragmentHint&&(t=e.fragmentHint);var o=this.getNextPart(a,t,r);if(o>-1){var u=a[o];return this.log("Loading part sn: "+t.sn+" p: "+u.index+" cc: "+t.cc+" of playlist ["+e.startSN+"-"+e.endSN+"] parts [0-"+o+"-"+(a.length-1)+"] "+("[stream-controller]"===this.logPrefix?"level":"track")+": "+t.level+", target: "+parseFloat(r.toFixed(3))),this.nextLoadPosition=u.start+u.duration,this.state=A.FRAG_LOADING,this.hls.trigger(l["Events"].FRAG_LOADING,{frag:t,part:a[o],targetBufferTime:r}),this.doFragPartsLoad(t,a,o,n).catch((function(t){return s.handleFragLoadError(t)}))}if(!t.url||this.loadedEndOfParts(a,r))return Promise.resolve(null)}}return this.log("Loading fragment "+t.sn+" cc: "+t.cc+" "+(e?"of ["+e.startSN+"-"+e.endSN+"] ":"")+("[stream-controller]"===this.logPrefix?"level":"track")+": "+t.level+", target: "+parseFloat(r.toFixed(3))),Object(i["isFiniteNumber"])(t.sn)&&!this.bitrateTest&&(this.nextLoadPosition=t.start+t.duration),this.state=A.FRAG_LOADING,this.hls.trigger(l["Events"].FRAG_LOADING,{frag:t,targetBufferTime:r}),this.fragmentLoader.load(t,n).catch((function(t){return s.handleFragLoadError(t)}))},r.doFragPartsLoad=function(t,e,r,i){var n=this;return new Promise((function(s,a){var o=[],u=function r(u){var c=e[u];n.fragmentLoader.loadPart(t,c,i).then((function(i){o[c.index]=i;var a=i.part;n.hls.trigger(l["Events"].FRAG_LOADED,i);var d=e[u+1];if(!d||d.fragment!==t)return s({frag:t,part:a,partsLoaded:o});r(u+1)})).catch(a)};u(r)}))},r.handleFragLoadError=function(t){var e=t.data;return e&&e.details===u["ErrorDetails"].INTERNAL_ABORTED?this.handleFragLoadAborted(e.frag,e.part):this.hls.trigger(l["Events"].ERROR,e),null},r._handleTransmuxerFlush=function(t){var e=this.getCurrentContext(t);if(e&&this.state===A.PARSING){var r=e.frag,i=e.part,n=e.level,s=self.performance.now();r.stats.parsing.end=s,i&&(i.stats.parsing.end=s),this.updateLevelTiming(r,i,n,t.partial)}else this.fragCurrent||(this.state=A.IDLE)},r.getCurrentContext=function(t){var e=this.levels,r=t.level,i=t.sn,n=t.part;if(!e||!e[r])return this.warn("Levels object was unset while buffering fragment "+i+" of level "+r+". The current chunk will not be buffered."),null;var s=e[r],a=n>-1?Object(g["getPartWith"])(s,i,n):null,o=a?a.fragment:Object(g["getFragmentWithSN"])(s,i,this.fragCurrent);return o?{frag:o,part:a,level:s}:null},r.bufferFragmentData=function(t,e,r,i){if(t&&this.state===A.PARSING){var n=t.data1,s=t.data2,a=n;if(n&&s&&(a=Object(d["appendUint8Array"])(n,s)),a&&a.length){var o={type:t.type,frag:e,part:r,chunkMeta:i,parent:e.type,data:a};this.hls.trigger(l["Events"].BUFFER_APPENDING,o),t.dropped&&t.independent&&!r&&this.flushBufferGap(e)}}},r.flushBufferGap=function(t){var e=this.media;if(e)if(a["BufferHelper"].isBuffered(e,e.currentTime)){var r=e.currentTime,i=a["BufferHelper"].bufferInfo(e,r,0),n=t.duration,s=Math.min(2*this.config.maxFragLookUpTolerance,.25*n),o=Math.max(Math.min(t.start-s,i.end-s),r+s);t.start-o>s&&this.flushMainBuffer(o,t.start)}else this.flushMainBuffer(0,t.start)},r.getFwdBufferInfo=function(t,e){var r=this.config,n=this.getLoadPosition();if(!Object(i["isFiniteNumber"])(n))return null;var s=a["BufferHelper"].bufferInfo(t,n,r.maxBufferHole);if(0===s.len&&void 0!==s.nextStart){var o=this.fragmentTracker.getBufferedFrag(n,e);if(o&&s.nextStart<o.end)return a["BufferHelper"].bufferInfo(t,n,Math.max(s.nextStart,r.maxBufferHole))}return s},r.getMaxBufferLength=function(t){var e,r=this.config;return e=t?Math.max(8*r.maxBufferSize/t,r.maxBufferLength):r.maxBufferLength,Math.min(e,r.maxMaxBufferLength)},r.reduceMaxBufferLength=function(t){var e=this.config,r=t||e.maxBufferLength;return e.maxMaxBufferLength>=r&&(e.maxMaxBufferLength/=2,this.warn("Reduce max buffer length to "+e.maxMaxBufferLength+"s"),!0)},r.getNextFragment=function(t,e){var r,i,n=e.fragments,s=n.length;if(!s)return null;var a,o=this.config,l=n[0].start;if(e.live){var u=o.initialLiveManifestSize;if(s<u)return this.warn("Not enough fragments to start playback (have: "+s+", need: "+u+")"),null;e.PTSKnown||this.startFragRequested||-1!==this.startPosition||(a=this.getInitialLiveFragment(e,n),this.startPosition=a?this.hls.liveSyncPosition||a.start:t)}else t<=l&&(a=n[0]);if(!a){var c=o.lowLatencyMode?e.partEnd:e.fragmentEnd;a=this.getFragmentAtPosition(t,c,e)}return null===(r=a)||void 0===r||!r.initSegment||null!==(i=a)&&void 0!==i&&i.initSegment.data||this.bitrateTest||(a=a.initSegment),a},r.getNextPart=function(t,e,r){for(var i=-1,n=!1,s=!0,a=0,o=t.length;a<o;a++){var l=t[a];if(s=s&&!l.independent,i>-1&&r<l.start)break;var u=l.loaded;!u&&(n||l.independent||s)&&l.fragment===e&&(i=a),n=u}return i},r.loadedEndOfParts=function(t,e){var r=t[t.length-1];return r&&e>r.start&&r.loaded},r.getInitialLiveFragment=function(t,e){var r=this.fragPrevious,i=null;if(r){if(t.hasProgramDateTime&&(this.log("Live playlist, switching playlist, load frag with same PDT: "+r.programDateTime),i=Object(f["findFragmentByPDT"])(e,r.endProgramDateTime,this.config.maxFragLookUpTolerance)),!i){var n=r.sn+1;if(n>=t.startSN&&n<=t.endSN){var s=e[n-t.startSN];r.cc===s.cc&&(i=s,this.log("Live playlist, switching playlist, load frag with next SN: "+i.sn))}i||(i=Object(f["findFragWithCC"])(e,r.cc),i&&this.log("Live playlist, switching playlist, load frag with same CC: "+i.sn))}}else{var a=this.hls.liveSyncPosition;null!==a&&(i=this.getFragmentAtPosition(a,this.bitrateTest?t.fragmentEnd:t.edge,t))}return i},r.getFragmentAtPosition=function(t,e,r){var i,n=this.config,a=this.fragPrevious,o=r.fragments,l=r.endSN,u=r.fragmentHint,c=n.maxFragLookUpTolerance,d=!!(n.lowLatencyMode&&r.partList&&u);if(d&&u&&!this.bitrateTest&&(o=o.concat(u),l=u.sn),t<e){var h=t>e-c?0:c;i=Object(f["findFragmentByPTS"])(a,o,t,h)}else i=o[o.length-1];if(i){var g=i.sn-r.startSN,v=a&&i.level===a.level,p=o[g+1],m=this.fragmentTracker.getState(i);if(m===s["FragmentState"].BACKTRACKED){i=null;var y=g;while(o[y]&&this.fragmentTracker.getState(o[y])===s["FragmentState"].BACKTRACKED)i=a?o[y--]:o[--y];i||(i=p)}else a&&i.sn===a.sn&&!d&&v&&(i.sn<l&&this.fragmentTracker.getState(p)!==s["FragmentState"].OK?(this.log("SN "+i.sn+" just loaded, load next one: "+p.sn),i=p):i=null)}return i},r.synchronizeToLiveEdge=function(t){var e=this.config,r=this.media;if(r){var i=this.hls.liveSyncPosition,n=r.currentTime,s=t.fragments[0].start,a=t.edge,o=n>=s-e.maxFragLookUpTolerance&&n<=a;if(null!==i&&r.duration>i&&(n<i||!o)){var l=void 0!==e.liveMaxLatencyDuration?e.liveMaxLatencyDuration:e.liveMaxLatencyDurationCount*t.targetduration;(!o&&r.readyState<4||n<a-l)&&(this.loadedmetadata||(this.nextLoadPosition=i),r.readyState&&(this.warn("Playback: "+n.toFixed(3)+" is located too far from the end of live sliding playlist: "+a+", reset currentTime to : "+i.toFixed(3)),r.currentTime=i))}}},r.alignPlaylists=function(t,e){var r=this.levels,n=this.levelLastLoaded,s=this.fragPrevious,a=null!==n?r[n]:null,o=t.fragments.length;if(!o)return this.warn("No fragments in live playlist"),0;var l=t.fragments[0].start,u=!e,c=t.alignedSliding&&Object(i["isFiniteNumber"])(l);if(u||!c&&!l){Object(h["alignStream"])(s,a,t);var d=t.fragments[0].start;return this.log("Live playlist sliding: "+d.toFixed(2)+" start-sn: "+(e?e.startSN:"na")+"->"+t.startSN+" prev-sn: "+(s?s.sn:"na")+" fragments: "+o),d}return l},r.waitForCdnTuneIn=function(t){var e=3;return t.live&&t.canBlockReload&&t.tuneInGoal>Math.max(t.partHoldBack,t.partTarget*e)},r.setStartPosition=function(t,e){var r=this.startPosition;if(r<e&&(r=-1),-1===r||-1===this.lastCurrentTime){var n=t.startTimeOffset;Object(i["isFiniteNumber"])(n)?(r=e+n,n<0&&(r+=t.totalduration),r=Math.min(Math.max(e,r),e+t.totalduration),this.log("Start time offset "+n+" found in playlist, adjust startPosition to "+r),this.startPosition=r):t.live?r=this.hls.liveSyncPosition||e:this.startPosition=r=0,this.lastCurrentTime=r}this.nextLoadPosition=r},r.getLoadPosition=function(){var t=this.media,e=0;return this.loadedmetadata&&t?e=t.currentTime:this.nextLoadPosition&&(e=this.nextLoadPosition),e},r.handleFragLoadAborted=function(t,e){this.transmuxer&&"initSegment"!==t.sn&&t.stats.aborted&&(this.warn("Fragment "+t.sn+(e?" part"+e.index:"")+" of level "+t.level+" was aborted"),this.resetFragmentLoading(t))},r.resetFragmentLoading=function(t){this.fragCurrent&&this.fragContextChanged(t)||(this.state=A.IDLE)},r.onFragmentOrKeyLoadError=function(t,e){if(!e.fatal){var r=e.frag;if(r&&r.type===t){var i=this.fragCurrent;console.assert(i&&r.sn===i.sn&&r.level===i.level&&r.urlId===i.urlId,"Frag load error must match current frag to retry");var n=this.config;if(this.fragLoadError+1<=n.fragLoadingMaxRetry){if(this.resetLiveStartWhenNotLoaded(r.level))return;var s=Math.min(Math.pow(2,this.fragLoadError)*n.fragLoadingRetryDelay,n.fragLoadingMaxRetryTimeout);this.warn("Fragment "+r.sn+" of "+t+" "+r.level+" failed to load, retrying in "+s+"ms"),this.retryDate=self.performance.now()+s,this.fragLoadError++,this.state=A.FRAG_LOADING_WAITING_RETRY}else e.levelRetry?(t===y["PlaylistLevelType"].AUDIO&&(this.fragCurrent=null),this.fragLoadError=0,this.state=A.IDLE):(o["logger"].error(e.details+" reaches max retry, redispatch as fatal ..."),e.fatal=!0,this.hls.stopLoad(),this.state=A.ERROR)}}},r.afterBufferFlushed=function(t,e,r){if(t){var i=a["BufferHelper"].getBuffered(t);this.fragmentTracker.detectEvictedFragments(e,i,r),this.state===A.ENDED&&this.resetLoadingState()}},r.resetLoadingState=function(){this.fragCurrent=null,this.fragPrevious=null,this.state=A.IDLE},r.resetLiveStartWhenNotLoaded=function(t){if(!this.loadedmetadata){this.startFragRequested=!1;var e=this.levels?this.levels[t].details:null;if(null!==e&&void 0!==e&&e.live)return this.startPosition=-1,this.setStartPosition(e,0),this.resetLoadingState(),!0;this.nextLoadPosition=this.startPosition}return!1},r.updateLevelTiming=function(t,e,r,i){var n=this,s=r.details;console.assert(!!s,"level.details must be defined");var a=Object.keys(t.elementaryStreams).reduce((function(e,a){var o=t.elementaryStreams[a];if(o){var u=o.endPTS-o.startPTS;if(u<=0)return n.warn("Could not parse fragment "+t.sn+" "+a+" duration reliably ("+u+") resetting transmuxer to fallback to playlist timing"),n.resetTransmuxer(),e||!1;var c=i?0:Object(g["updateFragPTSDTS"])(s,t,o.startPTS,o.endPTS,o.startDTS,o.endDTS);return n.hls.trigger(l["Events"].LEVEL_PTS_UPDATED,{details:s,level:r,drift:c,type:a,frag:t,start:o.startPTS,end:o.endPTS}),!0}return e}),!1);a?(this.state=A.PARSED,this.hls.trigger(l["Events"].FRAG_PARSED,{frag:t,part:e})):this.resetLoadingState()},r.resetTransmuxer=function(){this.transmuxer&&(this.transmuxer.destroy(),this.transmuxer=null)},T(e,[{key:"state",get:function(){return this._state},set:function(t){var e=this._state;e!==t&&(this._state=t,this.log(e+"->"+t))}}]),e}(n["default"])},"./src/controller/buffer-controller.ts":
    38. 

  38. /*!*********************************************!*\
    39. 

  39.   !*** ./src/controller/buffer-controller.ts ***!
    40. 

  40.   \*********************************************/
    41. 

  41. /*! exports provided: default */function(t,e,r){"use strict";r.r(e),r.d(e,"default",(function(){return f}));var i=r(/*! ./src/polyfills/number */"./src/polyfills/number.ts"),n=r(/*! ../events */"./src/events.ts"),s=r(/*! ../utils/logger */"./src/utils/logger.ts"),a=r(/*! ../errors */"./src/errors.ts"),o=r(/*! ../utils/buffer-helper */"./src/utils/buffer-helper.ts"),l=r(/*! ../utils/mediasource-helper */"./src/utils/mediasource-helper.ts"),u=r(/*! ../loader/fragment */"./src/loader/fragment.ts"),c=r(/*! ./buffer-operation-queue */"./src/controller/buffer-operation-queue.ts"),d=Object(l["getMediaSource"])(),h=/([ha]vc.)(?:\.[^.,]+)+/,f=function(){function t(t){var e=this;this.details=null,this._objectUrl=null,this.operationQueue=void 0,this.listeners=void 0,this.hls=void 0,this.bufferCodecEventsExpected=0,this._bufferCodecEventsTotal=0,this.media=null,this.mediaSource=null,this.appendError=0,this.tracks={},this.pendingTracks={},this.sourceBuffer=void 0,this._onMediaSourceOpen=function(){var t=e.hls,r=e.media,i=e.mediaSource;s["logger"].log("[buffer-controller]: Media source opened"),r&&(e.updateMediaElementDuration(),t.trigger(n["Events"].MEDIA_ATTACHED,{media:r})),i&&i.removeEventListener("sourceopen",e._onMediaSourceOpen),e.checkPendingTracks()},this._onMediaSourceClose=function(){s["logger"].log("[buffer-controller]: Media source closed")},this._onMediaSourceEnded=function(){s["logger"].log("[buffer-controller]: Media source ended")},this.hls=t,this._initSourceBuffer(),this.registerListeners()}var e=t.prototype;return e.hasSourceTypes=function(){return this.getSourceBufferTypes().length>0||Object.keys(this.pendingTracks).length>0},e.destroy=function(){this.unregisterListeners(),this.details=null},e.registerListeners=function(){var t=this.hls;t.on(n["Events"].MEDIA_ATTACHING,this.onMediaAttaching,this),t.on(n["Events"].MEDIA_DETACHING,this.onMediaDetaching,this),t.on(n["Events"].MANIFEST_PARSED,this.onManifestParsed,this),t.on(n["Events"].BUFFER_RESET,this.onBufferReset,this),t.on(n["Events"].BUFFER_APPENDING,this.onBufferAppending,this),t.on(n["Events"].BUFFER_CODECS,this.onBufferCodecs,this),t.on(n["Events"].BUFFER_EOS,this.onBufferEos,this),t.on(n["Events"].BUFFER_FLUSHING,this.onBufferFlushing,this),t.on(n["Events"].LEVEL_UPDATED,this.onLevelUpdated,this),t.on(n["Events"].FRAG_PARSED,this.onFragParsed,this),t.on(n["Events"].FRAG_CHANGED,this.onFragChanged,this)},e.unregisterListeners=function(){var t=this.hls;t.off(n["Events"].MEDIA_ATTACHING,this.onMediaAttaching,this),t.off(n["Events"].MEDIA_DETACHING,this.onMediaDetaching,this),t.off(n["Events"].MANIFEST_PARSED,this.onManifestParsed,this),t.off(n["Events"].BUFFER_RESET,this.onBufferReset,this),t.off(n["Events"].BUFFER_APPENDING,this.onBufferAppending,this),t.off(n["Events"].BUFFER_CODECS,this.onBufferCodecs,this),t.off(n["Events"].BUFFER_EOS,this.onBufferEos,this),t.off(n["Events"].BUFFER_FLUSHING,this.onBufferFlushing,this),t.off(n["Events"].LEVEL_UPDATED,this.onLevelUpdated,this),t.off(n["Events"].FRAG_PARSED,this.onFragParsed,this),t.off(n["Events"].FRAG_CHANGED,this.onFragChanged,this)},e._initSourceBuffer=function(){this.sourceBuffer={},this.operationQueue=new c["default"](this.sourceBuffer),this.listeners={audio:[],video:[],audiovideo:[]}},e.onManifestParsed=function(t,e){var r=2;(e.audio&&!e.video||!e.altAudio)&&(r=1),this.bufferCodecEventsExpected=this._bufferCodecEventsTotal=r,this.details=null,s["logger"].log(this.bufferCodecEventsExpected+" bufferCodec event(s) expected")},e.onMediaAttaching=function(t,e){var r=this.media=e.media;if(r&&d){var i=this.mediaSource=new d;i.addEventListener("sourceopen",this._onMediaSourceOpen),i.addEventListener("sourceended",this._onMediaSourceEnded),i.addEventListener("sourceclose",this._onMediaSourceClose),r.src=self.URL.createObjectURL(i),this._objectUrl=r.src}},e.onMediaDetaching=function(){var t=this.media,e=this.mediaSource,r=this._objectUrl;if(e){if(s["logger"].log("[buffer-controller]: media source detaching"),"open"===e.readyState)try{e.endOfStream()}catch(i){s["logger"].warn("[buffer-controller]: onMediaDetaching: "+i.message+" while calling endOfStream")}this.onBufferReset(),e.removeEventListener("sourceopen",this._onMediaSourceOpen),e.removeEventListener("sourceended",this._onMediaSourceEnded),e.removeEventListener("sourceclose",this._onMediaSourceClose),t&&(r&&self.URL.revokeObjectURL(r),t.src===r?(t.removeAttribute("src"),t.load()):s["logger"].warn("[buffer-controller]: media.src was changed by a third party - skip cleanup")),this.mediaSource=null,this.media=null,this._objectUrl=null,this.bufferCodecEventsExpected=this._bufferCodecEventsTotal,this.pendingTracks={},this.tracks={}}this.hls.trigger(n["Events"].MEDIA_DETACHED,void 0)},e.onBufferReset=function(){var t=this;this.getSourceBufferTypes().forEach((function(e){var r=t.sourceBuffer[e];try{r&&(t.removeBufferListeners(e),t.mediaSource&&t.mediaSource.removeSourceBuffer(r),t.sourceBuffer[e]=void 0)}catch(i){s["logger"].warn("[buffer-controller]: Failed to reset the "+e+" buffer",i)}})),this._initSourceBuffer()},e.onBufferCodecs=function(t,e){var r=this,i=this.getSourceBufferTypes().length;Object.keys(e).forEach((function(t){if(i){var n=r.tracks[t];if(n&&"function"===typeof n.buffer.changeType){var s=e[t],a=s.codec,o=s.levelCodec,l=s.container,u=(n.levelCodec||n.codec).replace(h,"$1"),c=(o||a).replace(h,"$1");if(u!==c){var d=l+";codecs="+(o||a);r.appendChangeType(t,d)}}}else r.pendingTracks[t]=e[t]})),i||(this.bufferCodecEventsExpected=Math.max(this.bufferCodecEventsExpected-1,0),this.mediaSource&&"open"===this.mediaSource.readyState&&this.checkPendingTracks())},e.appendChangeType=function(t,e){var r=this,i=this.operationQueue,n={execute:function(){var n=r.sourceBuffer[t];n&&(s["logger"].log("[buffer-controller]: changing "+t+" sourceBuffer type to "+e),n.changeType(e)),i.shiftAndExecuteNext(t)},onStart:function(){},onComplete:function(){},onError:function(e){s["logger"].warn("[buffer-controller]: Failed to change "+t+" SourceBuffer type",e)}};i.append(n,t)},e.onBufferAppending=function(t,e){var r=this,i=this.hls,l=this.operationQueue,u=this.tracks,c=e.data,d=e.type,h=e.frag,f=e.part,g=e.chunkMeta,v=g.buffering[d],p=self.performance.now();v.start=p;var m=h.stats.buffering,y=f?f.stats.buffering:null;0===m.start&&(m.start=p),y&&0===y.start&&(y.start=p);var E=u.audio,T="audio"===d&&1===g.id&&"audio/mpeg"===(null===E||void 0===E?void 0:E.container),S={execute:function(){if(v.executeStart=self.performance.now(),T){var t=r.sourceBuffer[d];if(t){var e=h.start-t.timestampOffset;Math.abs(e)>=.1&&(s["logger"].log("[buffer-controller]: Updating audio SourceBuffer timestampOffset to "+h.start+" (delta: "+e+") sn: "+h.sn+")"),t.timestampOffset=h.start)}}r.appendExecutor(c,d)},onStart:function(){},onComplete:function(){var t=self.performance.now();v.executeEnd=v.end=t,0===m.first&&(m.first=t),y&&0===y.first&&(y.first=t);var e=r.sourceBuffer,i={};for(var s in e)i[s]=o["BufferHelper"].getBuffered(e[s]);r.appendError=0,r.hls.trigger(n["Events"].BUFFER_APPENDED,{type:d,frag:h,part:f,chunkMeta:g,parent:h.type,timeRanges:i})},onError:function(t){s["logger"].error("[buffer-controller]: Error encountered while trying to append to the "+d+" SourceBuffer",t);var e={type:a["ErrorTypes"].MEDIA_ERROR,parent:h.type,details:a["ErrorDetails"].BUFFER_APPEND_ERROR,err:t,fatal:!1};t.code===DOMException.QUOTA_EXCEEDED_ERR?e.details=a["ErrorDetails"].BUFFER_FULL_ERROR:(r.appendError++,e.details=a["ErrorDetails"].BUFFER_APPEND_ERROR,r.appendError>i.config.appendErrorMaxRetry&&(s["logger"].error("[buffer-controller]: Failed "+i.config.appendErrorMaxRetry+" times to append segment in sourceBuffer"),e.fatal=!0)),i.trigger(n["Events"].ERROR,e)}};l.append(S,d)},e.onBufferFlushing=function(t,e){var r=this,i=this.operationQueue,a=function(t){return{execute:r.removeExecutor.bind(r,t,e.startOffset,e.endOffset),onStart:function(){},onComplete:function(){r.hls.trigger(n["Events"].BUFFER_FLUSHED,{type:t})},onError:function(e){s["logger"].warn("[buffer-controller]: Failed to remove from "+t+" SourceBuffer",e)}}};e.type?i.append(a(e.type),e.type):this.getSourceBufferTypes().forEach((function(t){i.append(a(t),t)}))},e.onFragParsed=function(t,e){var r=this,i=e.frag,a=e.part,o=[],l=a?a.elementaryStreams:i.elementaryStreams;l[u["ElementaryStreamTypes"].AUDIOVIDEO]?o.push("audiovideo"):(l[u["ElementaryStreamTypes"].AUDIO]&&o.push("audio"),l[u["ElementaryStreamTypes"].VIDEO]&&o.push("video"));var c=function(){var t=self.performance.now();i.stats.buffering.end=t,a&&(a.stats.buffering.end=t);var e=a?a.stats:i.stats;r.hls.trigger(n["Events"].FRAG_BUFFERED,{frag:i,part:a,stats:e,id:i.type})};0===o.length&&s["logger"].warn("Fragments must have at least one ElementaryStreamType set. type: "+i.type+" level: "+i.level+" sn: "+i.sn),this.blockBuffers(c,o)},e.onFragChanged=function(t,e){this.flushBackBuffer()},e.onBufferEos=function(t,e){var r=this,i=this.getSourceBufferTypes().reduce((function(t,i){var n=r.sourceBuffer[i];return e.type&&e.type!==i||n&&!n.ended&&(n.ended=!0,s["logger"].log("[buffer-controller]: "+i+" sourceBuffer now EOS")),t&&!(n&&!n.ended)}),!0);i&&this.blockBuffers((function(){var t=r.mediaSource;t&&"open"===t.readyState&&t.endOfStream()}))},e.onLevelUpdated=function(t,e){var r=e.details;r.fragments.length&&(this.details=r,this.getSourceBufferTypes().length?this.blockBuffers(this.updateMediaElementDuration.bind(this)):this.updateMediaElementDuration())},e.flushBackBuffer=function(){var t=this.hls,e=this.details,r=this.media,s=this.sourceBuffer;if(r&&null!==e){var a=this.getSourceBufferTypes();if(a.length){var l=e.live&&null!==t.config.liveBackBufferLength?t.config.liveBackBufferLength:t.config.backBufferLength;if(Object(i["isFiniteNumber"])(l)&&!(l<0)){var u=r.currentTime,c=e.levelTargetDuration,d=Math.max(l,c),h=Math.floor(u/c)*c-d;a.forEach((function(r){var i=s[r];if(i){var a=o["BufferHelper"].getBuffered(i);a.length>0&&h>a.start(0)&&(t.trigger(n["Events"].BACK_BUFFER_REACHED,{bufferEnd:h}),e.live&&t.trigger(n["Events"].LIVE_BACK_BUFFER_REACHED,{bufferEnd:h}),t.trigger(n["Events"].BUFFER_FLUSHING,{startOffset:0,endOffset:h,type:r}))}}))}}}},e.updateMediaElementDuration=function(){if(this.details&&this.media&&this.mediaSource&&"open"===this.mediaSource.readyState){var t=this.details,e=this.hls,r=this.media,n=this.mediaSource,a=t.fragments[0].start+t.totalduration,o=r.duration,l=Object(i["isFiniteNumber"])(n.duration)?n.duration:0;t.live&&e.config.liveDurationInfinity?(s["logger"].log("[buffer-controller]: Media Source duration is set to Infinity"),n.duration=1/0,this.updateSeekableRange(t)):(a>l&&a>o||!Object(i["isFiniteNumber"])(o))&&(s["logger"].log("[buffer-controller]: Updating Media Source duration to "+a.toFixed(3)),n.duration=a)}},e.updateSeekableRange=function(t){var e=this.mediaSource,r=t.fragments,i=r.length;if(i&&t.live&&null!==e&&void 0!==e&&e.setLiveSeekableRange){var n=Math.max(0,r[0].start),s=Math.max(n,n+t.totalduration);e.setLiveSeekableRange(n,s)}},e.checkPendingTracks=function(){var t=this.bufferCodecEventsExpected,e=this.operationQueue,r=this.pendingTracks,i=Object.keys(r).length;if(i&&!t||2===i){this.createSourceBuffers(r),this.pendingTracks={};var s=this.getSourceBufferTypes();if(0===s.length)return void this.hls.trigger(n["Events"].ERROR,{type:a["ErrorTypes"].MEDIA_ERROR,details:a["ErrorDetails"].BUFFER_INCOMPATIBLE_CODECS_ERROR,fatal:!0,reason:"could not create source buffer for media codec(s)"});s.forEach((function(t){e.executeNext(t)}))}},e.createSourceBuffers=function(t){var e=this.sourceBuffer,r=this.mediaSource;if(!r)throw Error("createSourceBuffers called when mediaSource was null");var i=0;for(var o in t)if(!e[o]){var l=t[o];if(!l)throw Error("source buffer exists for track "+o+", however track does not");var u=l.levelCodec||l.codec,c=l.container+";codecs="+u;s["logger"].log("[buffer-controller]: creating sourceBuffer("+c+")");try{var d=e[o]=r.addSourceBuffer(c),h=o;this.addBufferListener(h,"updatestart",this._onSBUpdateStart),this.addBufferListener(h,"updateend",this._onSBUpdateEnd),this.addBufferListener(h,"error",this._onSBUpdateError),this.tracks[o]={buffer:d,codec:u,container:l.container,levelCodec:l.levelCodec,id:l.id},i++}catch(f){s["logger"].error("[buffer-controller]: error while trying to add sourceBuffer: "+f.message),this.hls.trigger(n["Events"].ERROR,{type:a["ErrorTypes"].MEDIA_ERROR,details:a["ErrorDetails"].BUFFER_ADD_CODEC_ERROR,fatal:!1,error:f,mimeType:c})}}i&&this.hls.trigger(n["Events"].BUFFER_CREATED,{tracks:this.tracks})},e._onSBUpdateStart=function(t){var e=this.operationQueue,r=e.current(t);r.onStart()},e._onSBUpdateEnd=function(t){var e=this.operationQueue,r=e.current(t);r.onComplete(),e.shiftAndExecuteNext(t)},e._onSBUpdateError=function(t,e){s["logger"].error("[buffer-controller]: "+t+" SourceBuffer error",e),this.hls.trigger(n["Events"].ERROR,{type:a["ErrorTypes"].MEDIA_ERROR,details:a["ErrorDetails"].BUFFER_APPENDING_ERROR,fatal:!1});var r=this.operationQueue.current(t);r&&r.onError(e)},e.removeExecutor=function(t,e,r){var n=this.media,a=this.mediaSource,o=this.operationQueue,l=this.sourceBuffer,u=l[t];if(!n||!a||!u)return s["logger"].warn("[buffer-controller]: Attempting to remove from the "+t+" SourceBuffer, but it does not exist"),void o.shiftAndExecuteNext(t);var c=Object(i["isFiniteNumber"])(n.duration)?n.duration:1/0,d=Object(i["isFiniteNumber"])(a.duration)?a.duration:1/0,h=Math.max(0,e),f=Math.min(r,c,d);f>h?(s["logger"].log("[buffer-controller]: Removing ["+h+","+f+"] from the "+t+" SourceBuffer"),console.assert(!u.updating,t+" sourceBuffer must not be updating"),u.remove(h,f)):o.shiftAndExecuteNext(t)},e.appendExecutor=function(t,e){var r=this.operationQueue,i=this.sourceBuffer,n=i[e];if(!n)return s["logger"].warn("[buffer-controller]: Attempting to append to the "+e+" SourceBuffer, but it does not exist"),void r.shiftAndExecuteNext(e);n.ended=!1,console.assert(!n.updating,e+" sourceBuffer must not be updating"),n.appendBuffer(t)},e.blockBuffers=function(t,e){var r=this;if(void 0===e&&(e=this.getSourceBufferTypes()),!e.length)return s["logger"].log("[buffer-controller]: Blocking operation requested, but no SourceBuffers exist"),void Promise.resolve(t);var i=this.operationQueue,n=e.map((function(t){return i.appendBlocker(t)}));Promise.all(n).then((function(){t(),e.forEach((function(t){var e=r.sourceBuffer[t];e&&e.updating||i.shiftAndExecuteNext(t)}))}))},e.getSourceBufferTypes=function(){return Object.keys(this.sourceBuffer)},e.addBufferListener=function(t,e,r){var i=this.sourceBuffer[t];if(i){var n=r.bind(this,t);this.listeners[t].push({event:e,listener:n}),i.addEventListener(e,n)}},e.removeBufferListeners=function(t){var e=this.sourceBuffer[t];e&&this.listeners[t].forEach((function(t){e.removeEventListener(t.event,t.listener)}))},t}()},"./src/controller/buffer-operation-queue.ts":
    42. 

  42. /*!**************************************************!*\
    43. 

  43.   !*** ./src/controller/buffer-operation-queue.ts ***!
    44. 

  44.   \**************************************************/
    45. 

  45. /*! exports provided: default */function(t,e,r){"use strict";r.r(e),r.d(e,"default",(function(){return n}));var i=r(/*! ../utils/logger */"./src/utils/logger.ts"),n=function(){function t(t){this.buffers=void 0,this.queues={video:[],audio:[],audiovideo:[]},this.buffers=t}var e=t.prototype;return e.append=function(t,e){var r=this.queues[e];r.push(t),1===r.length&&this.buffers[e]&&this.executeNext(e)},e.insertAbort=function(t,e){var r=this.queues[e];r.unshift(t),this.executeNext(e)},e.appendBlocker=function(t){var e,r=new Promise((function(t){e=t})),i={execute:e,onStart:function(){},onComplete:function(){},onError:function(){}};return this.append(i,t),r},e.executeNext=function(t){var e=this.buffers,r=this.queues,n=e[t],s=r[t];if(s.length){var a=s[0];try{a.execute()}catch(o){i["logger"].warn("[buffer-operation-queue]: Unhandled exception executing the current operation"),a.onError(o),n&&n.updating||(s.shift(),this.executeNext(t))}}},e.shiftAndExecuteNext=function(t){this.queues[t].shift(),this.executeNext(t)},e.current=function(t){return this.queues[t][0]},t}()},"./src/controller/cap-level-controller.ts":
    46. 

  46. /*!************************************************!*\
    47. 

  47.   !*** ./src/controller/cap-level-controller.ts ***!
    48. 

  48.   \************************************************/
    49. 

  49. /*! exports provided: default */function(t,e,r){"use strict";r.r(e);var i=r(/*! ../events */"./src/events.ts");function n(t,e){for(var r=0;r<e.length;r++){var i=e[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}function s(t,e,r){return e&&n(t.prototype,e),r&&n(t,r),t}var a=function(){function t(t){this.autoLevelCapping=void 0,this.firstLevel=void 0,this.media=void 0,this.restrictedLevels=void 0,this.timer=void 0,this.hls=void 0,this.streamController=void 0,this.clientRect=void 0,this.hls=t,this.autoLevelCapping=Number.POSITIVE_INFINITY,this.firstLevel=-1,this.media=null,this.restrictedLevels=[],this.timer=void 0,this.clientRect=null,this.registerListeners()}var e=t.prototype;return e.setStreamController=function(t){this.streamController=t},e.destroy=function(){this.unregisterListener(),this.hls.config.capLevelToPlayerSize&&this.stopCapping(),this.media=null,this.clientRect=null,this.hls=this.streamController=null},e.registerListeners=function(){var t=this.hls;t.on(i["Events"].FPS_DROP_LEVEL_CAPPING,this.onFpsDropLevelCapping,this),t.on(i["Events"].MEDIA_ATTACHING,this.onMediaAttaching,this),t.on(i["Events"].MANIFEST_PARSED,this.onManifestParsed,this),t.on(i["Events"].BUFFER_CODECS,this.onBufferCodecs,this),t.on(i["Events"].MEDIA_DETACHING,this.onMediaDetaching,this)},e.unregisterListener=function(){var t=this.hls;t.off(i["Events"].FPS_DROP_LEVEL_CAPPING,this.onFpsDropLevelCapping,this),t.off(i["Events"].MEDIA_ATTACHING,this.onMediaAttaching,this),t.off(i["Events"].MANIFEST_PARSED,this.onManifestParsed,this),t.off(i["Events"].BUFFER_CODECS,this.onBufferCodecs,this),t.off(i["Events"].MEDIA_DETACHING,this.onMediaDetaching,this)},e.onFpsDropLevelCapping=function(e,r){t.isLevelAllowed(r.droppedLevel,this.restrictedLevels)&&this.restrictedLevels.push(r.droppedLevel)},e.onMediaAttaching=function(t,e){this.media=e.media instanceof HTMLVideoElement?e.media:null},e.onManifestParsed=function(t,e){var r=this.hls;this.restrictedLevels=[],this.firstLevel=e.firstLevel,r.config.capLevelToPlayerSize&&e.video&&this.startCapping()},e.onBufferCodecs=function(t,e){var r=this.hls;r.config.capLevelToPlayerSize&&e.video&&this.startCapping()},e.onMediaDetaching=function(){this.stopCapping()},e.detectPlayerSize=function(){if(this.media&&this.mediaHeight>0&&this.mediaWidth>0){var t=this.hls.levels;if(t.length){var e=this.hls;e.autoLevelCapping=this.getMaxLevel(t.length-1),e.autoLevelCapping>this.autoLevelCapping&&this.streamController&&this.streamController.nextLevelSwitch(),this.autoLevelCapping=e.autoLevelCapping}}},e.getMaxLevel=function(e){var r=this,i=this.hls.levels;if(!i.length)return-1;var n=i.filter((function(i,n){return t.isLevelAllowed(n,r.restrictedLevels)&&n<=e}));return this.clientRect=null,t.getMaxLevelByMediaSize(n,this.mediaWidth,this.mediaHeight)},e.startCapping=function(){this.timer||(this.autoLevelCapping=Number.POSITIVE_INFINITY,this.hls.firstLevel=this.getMaxLevel(this.firstLevel),self.clearInterval(this.timer),this.timer=self.setInterval(this.detectPlayerSize.bind(this),1e3),this.detectPlayerSize())},e.stopCapping=function(){this.restrictedLevels=[],this.firstLevel=-1,this.autoLevelCapping=Number.POSITIVE_INFINITY,this.timer&&(self.clearInterval(this.timer),this.timer=void 0)},e.getDimensions=function(){if(this.clientRect)return this.clientRect;var t=this.media,e={width:0,height:0};if(t){var r=t.getBoundingClientRect();e.width=r.width,e.height=r.height,e.width||e.height||(e.width=r.right-r.left||t.width||0,e.height=r.bottom-r.top||t.height||0)}return this.clientRect=e,e},t.isLevelAllowed=function(t,e){return void 0===e&&(e=[]),-1===e.indexOf(t)},t.getMaxLevelByMediaSize=function(t,e,r){if(!t||!t.length)return-1;for(var i=function(t,e){return!e||(t.width!==e.width||t.height!==e.height)},n=t.length-1,s=0;s<t.length;s+=1){var a=t[s];if((a.width>=e||a.height>=r)&&i(a,t[s+1])){n=s;break}}return n},s(t,[{key:"mediaWidth",get:function(){return this.getDimensions().width*t.contentScaleFactor}},{key:"mediaHeight",get:function(){return this.getDimensions().height*t.contentScaleFactor}}],[{key:"contentScaleFactor",get:function(){var t=1;try{t=self.devicePixelRatio}catch(e){}return t}}]),t}();e["default"]=a},"./src/controller/cmcd-controller.ts":
    50. 

  50. /*!*******************************************!*\
    51. 

  51.   !*** ./src/controller/cmcd-controller.ts ***!
    52. 

  52.   \*******************************************/
    53. 

  53. /*! exports provided: default */function(t,e,r){"use strict";r.r(e),r.d(e,"default",(function(){return f}));var i=r(/*! ../events */"./src/events.ts"),n=r(/*! ../types/cmcd */"./src/types/cmcd.ts"),s=r(/*! ../utils/buffer-helper */"./src/utils/buffer-helper.ts"),a=r(/*! ../utils/logger */"./src/utils/logger.ts");function o(t,e){for(var r=0;r<e.length;r++){var i=e[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}function l(t,e,r){return e&&o(t.prototype,e),r&&o(t,r),t}function u(t,e){var r="undefined"!==typeof Symbol&&t[Symbol.iterator]||t["@@iterator"];if(r)return(r=r.call(t)).next.bind(r);if(Array.isArray(t)||(r=c(t))||e&&t&&"number"===typeof t.length){r&&(t=r);var i=0;return function(){return i>=t.length?{done:!0}:{done:!1,value:t[i++]}}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}function c(t,e){if(t){if("string"===typeof t)return d(t,e);var r=Object.prototype.toString.call(t).slice(8,-1);return"Object"===r&&t.constructor&&(r=t.constructor.name),"Map"===r||"Set"===r?Array.from(t):"Arguments"===r||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(r)?d(t,e):void 0}}function d(t,e){(null==e||e>t.length)&&(e=t.length);for(var r=0,i=new Array(e);r<e;r++)i[r]=t[r];return i}function h(){return h=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var r=arguments[e];for(var i in r)Object.prototype.hasOwnProperty.call(r,i)&&(t[i]=r[i])}return t},h.apply(this,arguments)}var f=function(){function t(e){var r=this;this.hls=void 0,this.config=void 0,this.media=void 0,this.sid=void 0,this.cid=void 0,this.useHeaders=!1,this.initialized=!1,this.starved=!1,this.buffering=!0,this.audioBuffer=void 0,this.videoBuffer=void 0,this.onWaiting=function(){r.initialized&&(r.starved=!0),r.buffering=!0},this.onPlaying=function(){r.initialized||(r.initialized=!0),r.buffering=!1},this.applyPlaylistData=function(t){try{r.apply(t,{ot:n["CMCDObjectType"].MANIFEST,su:!r.initialized})}catch(e){a["logger"].warn("Could not generate manifest CMCD data.",e)}},this.applyFragmentData=function(t){try{var e=t.frag,i=r.hls.levels[e.level],s=r.getObjectType(e),o={d:1e3*e.duration,ot:s};s!==n["CMCDObjectType"].VIDEO&&s!==n["CMCDObjectType"].AUDIO&&s!=n["CMCDObjectType"].MUXED||(o.br=i.bitrate/1e3,o.tb=r.getTopBandwidth(s)/1e3,o.bl=r.getBufferLength(s)),r.apply(t,o)}catch(l){a["logger"].warn("Could not generate segment CMCD data.",l)}},this.hls=e;var i=this.config=e.config,s=i.cmcd;null!=s&&(i.pLoader=this.createPlaylistLoader(),i.fLoader=this.createFragmentLoader(),this.sid=s.sessionId||t.uuid(),this.cid=s.contentId,this.useHeaders=!0===s.useHeaders,this.registerListeners())}var e=t.prototype;return e.registerListeners=function(){var t=this.hls;t.on(i["Events"].MEDIA_ATTACHED,this.onMediaAttached,this),t.on(i["Events"].MEDIA_DETACHED,this.onMediaDetached,this),t.on(i["Events"].BUFFER_CREATED,this.onBufferCreated,this)},e.unregisterListeners=function(){var t=this.hls;t.off(i["Events"].MEDIA_ATTACHED,this.onMediaAttached,this),t.off(i["Events"].MEDIA_DETACHED,this.onMediaDetached,this),t.off(i["Events"].BUFFER_CREATED,this.onBufferCreated,this),this.onMediaDetached()},e.destroy=function(){this.unregisterListeners(),this.hls=this.config=this.audioBuffer=this.videoBuffer=null},e.onMediaAttached=function(t,e){this.media=e.media,this.media.addEventListener("waiting",this.onWaiting),this.media.addEventListener("playing",this.onPlaying)},e.onMediaDetached=function(){this.media&&(this.media.removeEventListener("waiting",this.onWaiting),this.media.removeEventListener("playing",this.onPlaying),this.media=null)},e.onBufferCreated=function(t,e){var r,i;this.audioBuffer=null===(r=e.tracks.audio)||void 0===r?void 0:r.buffer,this.videoBuffer=null===(i=e.tracks.video)||void 0===i?void 0:i.buffer},e.createData=function(){var t;return{v:n["CMCDVersion"],sf:n["CMCDStreamingFormat"].HLS,sid:this.sid,cid:this.cid,pr:null===(t=this.media)||void 0===t?void 0:t.playbackRate,mtp:this.hls.bandwidthEstimate/1e3}},e.apply=function(e,r){void 0===r&&(r={}),h(r,this.createData());var i=r.ot===n["CMCDObjectType"].INIT||r.ot===n["CMCDObjectType"].VIDEO||r.ot===n["CMCDObjectType"].MUXED;if(this.starved&&i&&(r.bs=!0,r.su=!0,this.starved=!1),null==r.su&&(r.su=this.buffering),this.useHeaders){var s=t.toHeaders(r);if(!Object.keys(s).length)return;e.headers||(e.headers={}),h(e.headers,s)}else{var a=t.toQuery(r);if(!a)return;e.url=t.appendQueryToUri(e.url,a)}},e.getObjectType=function(t){var e=t.type;return"subtitle"===e?n["CMCDObjectType"].TIMED_TEXT:"initSegment"===t.sn?n["CMCDObjectType"].INIT:"audio"===e?n["CMCDObjectType"].AUDIO:"main"===e?this.hls.audioTracks.length?n["CMCDObjectType"].VIDEO:n["CMCDObjectType"].MUXED:void 0},e.getTopBandwidth=function(t){var e,r=0,i=this.hls;if(t===n["CMCDObjectType"].AUDIO)e=i.audioTracks;else{var s=i.maxAutoLevel,a=s>-1?s+1:i.levels.length;e=i.levels.slice(0,a)}for(var o,l=u(e);!(o=l()).done;){var c=o.value;c.bitrate>r&&(r=c.bitrate)}return r>0?r:NaN},e.getBufferLength=function(t){var e=this.hls.media,r=t===n["CMCDObjectType"].AUDIO?this.audioBuffer:this.videoBuffer;if(!r||!e)return NaN;var i=s["BufferHelper"].bufferInfo(r,e.currentTime,this.config.maxBufferHole);return 1e3*i.len},e.createPlaylistLoader=function(){var t=this.config.pLoader,e=this.applyPlaylistData,r=t||this.config.loader;return function(){function t(t){this.loader=void 0,this.loader=new r(t)}var i=t.prototype;return i.destroy=function(){this.loader.destroy()},i.abort=function(){this.loader.abort()},i.load=function(t,r,i){e(t),this.loader.load(t,r,i)},l(t,[{key:"stats",get:function(){return this.loader.stats}},{key:"context",get:function(){return this.loader.context}}]),t}()},e.createFragmentLoader=function(){var t=this.config.fLoader,e=this.applyFragmentData,r=t||this.config.loader;return function(){function t(t){this.loader=void 0,this.loader=new r(t)}var i=t.prototype;return i.destroy=function(){this.loader.destroy()},i.abort=function(){this.loader.abort()},i.load=function(t,r,i){e(t),this.loader.load(t,r,i)},l(t,[{key:"stats",get:function(){return this.loader.stats}},{key:"context",get:function(){return this.loader.context}}]),t}()},t.uuid=function(){var t=URL.createObjectURL(new Blob),e=t.toString();return URL.revokeObjectURL(t),e.substr(e.lastIndexOf("/")+1)},t.serialize=function(t){for(var e,r=[],i=function(t){return!Number.isNaN(t)&&null!=t&&""!==t&&!1!==t},n=function(t){return Math.round(t)},s=function(t){return 100*n(t/100)},a=function(t){return encodeURIComponent(t)},o={br:n,d:n,bl:s,dl:s,mtp:s,nor:a,rtp:s,tb:n},l=Object.keys(t||{}).sort(),c=u(l);!(e=c()).done;){var d=e.value,h=t[d];if(i(h)&&(("v"!==d||1!==h)&&("pr"!=d||1!==h))){var f=o[d];f&&(h=f(h));var g=typeof h,v=void 0;v="ot"===d||"sf"===d||"st"===d?d+"="+h:"boolean"===g?d:"number"===g?d+"="+h:d+"="+JSON.stringify(h),r.push(v)}}return r.join(",")},t.toHeaders=function(e){for(var r=Object.keys(e),i={},n=["Object","Request","Session","Status"],s=[{},{},{},{}],a={br:0,d:0,ot:0,tb:0,bl:1,dl:1,mtp:1,nor:1,nrr:1,su:1,cid:2,pr:2,sf:2,sid:2,st:2,v:2,bs:3,rtp:3},o=0,l=r;o<l.length;o++){var u=l[o],c=null!=a[u]?a[u]:1;s[c][u]=e[u]}for(var d=0;d<s.length;d++){var h=t.serialize(s[d]);h&&(i["CMCD-"+n[d]]=h)}return i},t.toQuery=function(e){return"CMCD="+encodeURIComponent(t.serialize(e))},t.appendQueryToUri=function(t,e){if(!e)return t;var r=t.includes("?")?"&":"?";return""+t+r+e},t}()},"./src/controller/eme-controller.ts":
    54. 

  54. /*!******************************************!*\
    55. 

  55.   !*** ./src/controller/eme-controller.ts ***!
    56. 

  56.   \******************************************/
    57. 

  57. /*! exports provided: default */function(t,e,r){"use strict";r.r(e);var i=r(/*! ../events */"./src/events.ts"),n=r(/*! ../errors */"./src/errors.ts"),s=r(/*! ../utils/logger */"./src/utils/logger.ts"),a=r(/*! ../utils/mediakeys-helper */"./src/utils/mediakeys-helper.ts");function o(t,e){for(var r=0;r<e.length;r++){var i=e[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}function l(t,e,r){return e&&o(t.prototype,e),r&&o(t,r),t}var u=3,c=function(t,e,r){var i={audioCapabilities:[],videoCapabilities:[]};return t.forEach((function(t){i.audioCapabilities.push({contentType:'audio/mp4; codecs="'+t+'"',robustness:r.audioRobustness||""})})),e.forEach((function(t){i.videoCapabilities.push({contentType:'video/mp4; codecs="'+t+'"',robustness:r.videoRobustness||""})})),[i]},d=function(t,e,r,i){switch(t){case a["KeySystems"].WIDEVINE:return c(e,r,i);default:throw new Error("Unknown key-system: "+t)}},h=function(){function t(t){this.hls=void 0,this._widevineLicenseUrl=void 0,this._licenseXhrSetup=void 0,this._licenseResponseCallback=void 0,this._emeEnabled=void 0,this._requestMediaKeySystemAccess=void 0,this._drmSystemOptions=void 0,this._config=void 0,this._mediaKeysList=[],this._media=null,this._hasSetMediaKeys=!1,this._requestLicenseFailureCount=0,this.mediaKeysPromise=null,this._onMediaEncrypted=this.onMediaEncrypted.bind(this),this.hls=t,this._config=t.config,this._widevineLicenseUrl=this._config.widevineLicenseUrl,this._licenseXhrSetup=this._config.licenseXhrSetup,this._licenseResponseCallback=this._config.licenseResponseCallback,this._emeEnabled=this._config.emeEnabled,this._requestMediaKeySystemAccess=this._config.requestMediaKeySystemAccessFunc,this._drmSystemOptions=this._config.drmSystemOptions,this._registerListeners()}var e=t.prototype;return e.destroy=function(){this._unregisterListeners(),this.hls=this._onMediaEncrypted=null,this._requestMediaKeySystemAccess=null},e._registerListeners=function(){this.hls.on(i["Events"].MEDIA_ATTACHED,this.onMediaAttached,this),this.hls.on(i["Events"].MEDIA_DETACHED,this.onMediaDetached,this),this.hls.on(i["Events"].MANIFEST_PARSED,this.onManifestParsed,this)},e._unregisterListeners=function(){this.hls.off(i["Events"].MEDIA_ATTACHED,this.onMediaAttached,this),this.hls.off(i["Events"].MEDIA_DETACHED,this.onMediaDetached,this),this.hls.off(i["Events"].MANIFEST_PARSED,this.onManifestParsed,this)},e.getLicenseServerUrl=function(t){switch(t){case a["KeySystems"].WIDEVINE:if(!this._widevineLicenseUrl)break;return this._widevineLicenseUrl}throw new Error('no license server URL configured for key-system "'+t+'"')},e._attemptKeySystemAccess=function(t,e,r){var i=this,n=d(t,e,r,this._drmSystemOptions);s["logger"].log("Requesting encrypted media key-system access");var a=this.requestMediaKeySystemAccess(t,n);this.mediaKeysPromise=a.then((function(e){return i._onMediaKeySystemAccessObtained(t,e)})),a.catch((function(e){s["logger"].error('Failed to obtain key-system "'+t+'" access:',e)}))},e._onMediaKeySystemAccessObtained=function(t,e){var r=this;s["logger"].log('Access for key-system "'+t+'" obtained');var i={mediaKeysSessionInitialized:!1,mediaKeySystemAccess:e,mediaKeySystemDomain:t};this._mediaKeysList.push(i);var n=Promise.resolve().then((function(){return e.createMediaKeys()})).then((function(e){return i.mediaKeys=e,s["logger"].log('Media-keys created for key-system "'+t+'"'),r._onMediaKeysCreated(),e}));return n.catch((function(t){s["logger"].error("Failed to create media-keys:",t)})),n},e._onMediaKeysCreated=function(){var t=this;this._mediaKeysList.forEach((function(e){e.mediaKeysSession||(e.mediaKeysSession=e.mediaKeys.createSession(),t._onNewMediaKeySession(e.mediaKeysSession))}))},e._onNewMediaKeySession=function(t){var e=this;s["logger"].log("New key-system session "+t.sessionId),t.addEventListener("message",(function(r){e._onKeySessionMessage(t,r.message)}),!1)},e._onKeySessionMessage=function(t,e){s["logger"].log("Got EME message event, creating license request"),this._requestLicense(e,(function(e){s["logger"].log("Received license data (length: "+(e?e.byteLength:e)+"), updating key-session"),t.update(e)}))},e.onMediaEncrypted=function(t){var e=this;if(s["logger"].log('Media is encrypted using "'+t.initDataType+'" init data type'),!this.mediaKeysPromise)return s["logger"].error("Fatal: Media is encrypted but no CDM access or no keys have been requested"),void this.hls.trigger(i["Events"].ERROR,{type:n["ErrorTypes"].KEY_SYSTEM_ERROR,details:n["ErrorDetails"].KEY_SYSTEM_NO_KEYS,fatal:!0});var r=function(r){e._media&&(e._attemptSetMediaKeys(r),e._generateRequestWithPreferredKeySession(t.initDataType,t.initData))};this.mediaKeysPromise.then(r).catch(r)},e._attemptSetMediaKeys=function(t){if(!this._media)throw new Error("Attempted to set mediaKeys without first attaching a media element");if(!this._hasSetMediaKeys){var e=this._mediaKeysList[0];if(!e||!e.mediaKeys)return s["logger"].error("Fatal: Media is encrypted but no CDM access or no keys have been obtained yet"),void this.hls.trigger(i["Events"].ERROR,{type:n["ErrorTypes"].KEY_SYSTEM_ERROR,details:n["ErrorDetails"].KEY_SYSTEM_NO_KEYS,fatal:!0});s["logger"].log("Setting keys for encrypted media"),this._media.setMediaKeys(e.mediaKeys),this._hasSetMediaKeys=!0}},e._generateRequestWithPreferredKeySession=function(t,e){var r=this,a=this._mediaKeysList[0];if(!a)return s["logger"].error("Fatal: Media is encrypted but not any key-system access has been obtained yet"),void this.hls.trigger(i["Events"].ERROR,{type:n["ErrorTypes"].KEY_SYSTEM_ERROR,details:n["ErrorDetails"].KEY_SYSTEM_NO_ACCESS,fatal:!0});if(a.mediaKeysSessionInitialized)s["logger"].warn("Key-Session already initialized but requested again");else{var o=a.mediaKeysSession;if(!o)return s["logger"].error("Fatal: Media is encrypted but no key-session existing"),void this.hls.trigger(i["Events"].ERROR,{type:n["ErrorTypes"].KEY_SYSTEM_ERROR,details:n["ErrorDetails"].KEY_SYSTEM_NO_SESSION,fatal:!0});if(!e)return s["logger"].warn("Fatal: initData required for generating a key session is null"),void this.hls.trigger(i["Events"].ERROR,{type:n["ErrorTypes"].KEY_SYSTEM_ERROR,details:n["ErrorDetails"].KEY_SYSTEM_NO_INIT_DATA,fatal:!0});s["logger"].log('Generating key-session request for "'+t+'" init data type'),a.mediaKeysSessionInitialized=!0,o.generateRequest(t,e).then((function(){s["logger"].debug("Key-session generation succeeded")})).catch((function(t){s["logger"].error("Error generating key-session request:",t),r.hls.trigger(i["Events"].ERROR,{type:n["ErrorTypes"].KEY_SYSTEM_ERROR,details:n["ErrorDetails"].KEY_SYSTEM_NO_SESSION,fatal:!1})}))}},e._createLicenseXhr=function(t,e,r){var i=new XMLHttpRequest;i.responseType="arraybuffer",i.onreadystatechange=this._onLicenseRequestReadyStageChange.bind(this,i,t,e,r);var n=this._licenseXhrSetup;if(n)try{n.call(this.hls,i,t),n=void 0}catch(a){s["logger"].error(a)}try{i.readyState||i.open("POST",t,!0),n&&n.call(this.hls,i,t)}catch(a){throw new Error("issue setting up KeySystem license XHR "+a)}return i},e._onLicenseRequestReadyStageChange=function(t,e,r,a){switch(t.readyState){case 4:if(200===t.status){this._requestLicenseFailureCount=0,s["logger"].log("License request succeeded");var o=t.response,l=this._licenseResponseCallback;if(l)try{o=l.call(this.hls,t,e)}catch(d){s["logger"].error(d)}a(o)}else{if(s["logger"].error("License Request XHR failed ("+e+"). Status: "+t.status+" ("+t.statusText+")"),this._requestLicenseFailureCount++,this._requestLicenseFailureCount>u)return void this.hls.trigger(i["Events"].ERROR,{type:n["ErrorTypes"].KEY_SYSTEM_ERROR,details:n["ErrorDetails"].KEY_SYSTEM_LICENSE_REQUEST_FAILED,fatal:!0});var c=u-this._requestLicenseFailureCount+1;s["logger"].warn("Retrying license request, "+c+" attempts left"),this._requestLicense(r,a)}break}},e._generateLicenseRequestChallenge=function(t,e){switch(t.mediaKeySystemDomain){case a["KeySystems"].WIDEVINE:return e}throw new Error("unsupported key-system: "+t.mediaKeySystemDomain)},e._requestLicense=function(t,e){s["logger"].log("Requesting content license for key-system");var r=this._mediaKeysList[0];if(!r)return s["logger"].error("Fatal error: Media is encrypted but no key-system access has been obtained yet"),void this.hls.trigger(i["Events"].ERROR,{type:n["ErrorTypes"].KEY_SYSTEM_ERROR,details:n["ErrorDetails"].KEY_SYSTEM_NO_ACCESS,fatal:!0});try{var a=this.getLicenseServerUrl(r.mediaKeySystemDomain),o=this._createLicenseXhr(a,t,e);s["logger"].log("Sending license request to URL: "+a);var l=this._generateLicenseRequestChallenge(r,t);o.send(l)}catch(u){s["logger"].error("Failure requesting DRM license: "+u),this.hls.trigger(i["Events"].ERROR,{type:n["ErrorTypes"].KEY_SYSTEM_ERROR,details:n["ErrorDetails"].KEY_SYSTEM_LICENSE_REQUEST_FAILED,fatal:!0})}},e.onMediaAttached=function(t,e){if(this._emeEnabled){var r=e.media;this._media=r,r.addEventListener("encrypted",this._onMediaEncrypted)}},e.onMediaDetached=function(){var t=this._media,e=this._mediaKeysList;t&&(t.removeEventListener("encrypted",this._onMediaEncrypted),this._media=null,this._mediaKeysList=[],Promise.all(e.map((function(t){if(t.mediaKeysSession)return t.mediaKeysSession.close().catch((function(){}))}))).then((function(){return t.setMediaKeys(null)})).catch((function(){})))},e.onManifestParsed=function(t,e){if(this._emeEnabled){var r=e.levels.map((function(t){return t.audioCodec})).filter((function(t){return!!t})),i=e.levels.map((function(t){return t.videoCodec})).filter((function(t){return!!t}));this._attemptKeySystemAccess(a["KeySystems"].WIDEVINE,r,i)}},l(t,[{key:"requestMediaKeySystemAccess",get:function(){if(!this._requestMediaKeySystemAccess)throw new Error("No requestMediaKeySystemAccess function configured");return this._requestMediaKeySystemAccess}}]),t}();e["default"]=h},"./src/controller/fps-controller.ts":
    58. 

  58. /*!******************************************!*\
    59. 

  59.   !*** ./src/controller/fps-controller.ts ***!
    60. 

  60.   \******************************************/
    61. 

  61. /*! exports provided: default */function(t,e,r){"use strict";r.r(e);var i=r(/*! ../events */"./src/events.ts"),n=r(/*! ../utils/logger */"./src/utils/logger.ts"),s=function(){function t(t){this.hls=void 0,this.isVideoPlaybackQualityAvailable=!1,this.timer=void 0,this.media=null,this.lastTime=void 0,this.lastDroppedFrames=0,this.lastDecodedFrames=0,this.streamController=void 0,this.hls=t,this.registerListeners()}var e=t.prototype;return e.setStreamController=function(t){this.streamController=t},e.registerListeners=function(){this.hls.on(i["Events"].MEDIA_ATTACHING,this.onMediaAttaching,this)},e.unregisterListeners=function(){this.hls.off(i["Events"].MEDIA_ATTACHING,this.onMediaAttaching)},e.destroy=function(){this.timer&&clearInterval(this.timer),this.unregisterListeners(),this.isVideoPlaybackQualityAvailable=!1,this.media=null},e.onMediaAttaching=function(t,e){var r=this.hls.config;if(r.capLevelOnFPSDrop){var i=e.media instanceof self.HTMLVideoElement?e.media:null;this.media=i,i&&"function"===typeof i.getVideoPlaybackQuality&&(this.isVideoPlaybackQualityAvailable=!0),self.clearInterval(this.timer),this.timer=self.setInterval(this.checkFPSInterval.bind(this),r.fpsDroppedMonitoringPeriod)}},e.checkFPS=function(t,e,r){var s=performance.now();if(e){if(this.lastTime){var a=s-this.lastTime,o=r-this.lastDroppedFrames,l=e-this.lastDecodedFrames,u=1e3*o/a,c=this.hls;if(c.trigger(i["Events"].FPS_DROP,{currentDropped:o,currentDecoded:l,totalDroppedFrames:r}),u>0&&o>c.config.fpsDroppedMonitoringThreshold*l){var d=c.currentLevel;n["logger"].warn("drop FPS ratio greater than max allowed value for currentLevel: "+d),d>0&&(-1===c.autoLevelCapping||c.autoLevelCapping>=d)&&(d-=1,c.trigger(i["Events"].FPS_DROP_LEVEL_CAPPING,{level:d,droppedLevel:c.currentLevel}),c.autoLevelCapping=d,this.streamController.nextLevelSwitch())}}this.lastTime=s,this.lastDroppedFrames=r,this.lastDecodedFrames=e}},e.checkFPSInterval=function(){var t=this.media;if(t)if(this.isVideoPlaybackQualityAvailable){var e=t.getVideoPlaybackQuality();this.checkFPS(t,e.totalVideoFrames,e.droppedVideoFrames)}else this.checkFPS(t,t.webkitDecodedFrameCount,t.webkitDroppedFrameCount)},t}();e["default"]=s},"./src/controller/fragment-finders.ts":
    62. 

  62. /*!********************************************!*\
    63. 

  63.   !*** ./src/controller/fragment-finders.ts ***!
    64. 

  64.   \********************************************/
    65. 

  65. /*! exports provided: findFragmentByPDT, findFragmentByPTS, fragmentWithinToleranceTest, pdtWithinToleranceTest, findFragWithCC */function(t,e,r){"use strict";r.r(e),r.d(e,"findFragmentByPDT",(function(){return s})),r.d(e,"findFragmentByPTS",(function(){return a})),r.d(e,"fragmentWithinToleranceTest",(function(){return o})),r.d(e,"pdtWithinToleranceTest",(function(){return l})),r.d(e,"findFragWithCC",(function(){return u}));var i=r(/*! ./src/polyfills/number */"./src/polyfills/number.ts"),n=r(/*! ../utils/binary-search */"./src/utils/binary-search.ts");function s(t,e,r){if(null===e||!Array.isArray(t)||!t.length||!Object(i["isFiniteNumber"])(e))return null;var n=t[0].programDateTime;if(e<(n||0))return null;var s=t[t.length-1].endProgramDateTime;if(e>=(s||0))return null;r=r||0;for(var a=0;a<t.length;++a){var o=t[a];if(l(e,r,o))return o}return null}function a(t,e,r,i){void 0===r&&(r=0),void 0===i&&(i=0);var s=null;if(t?s=e[t.sn-e[0].sn+1]||null:0===r&&0===e[0].start&&(s=e[0]),s&&0===o(r,i,s))return s;var a=n["default"].search(e,o.bind(null,r,i));return a||s}function o(t,e,r){void 0===t&&(t=0),void 0===e&&(e=0);var i=Math.min(e,r.duration+(r.deltaPTS?r.deltaPTS:0));return r.start+r.duration-i<=t?1:r.start-i>t&&r.start?-1:0}function l(t,e,r){var i=1e3*Math.min(e,r.duration+(r.deltaPTS?r.deltaPTS:0)),n=r.endProgramDateTime||0;return n-i>t}function u(t,e){return n["default"].search(t,(function(t){return t.cc<e?1:t.cc>e?-1:0}))}},"./src/controller/fragment-tracker.ts":
    66. 

  66. /*!********************************************!*\
    67. 

  67.   !*** ./src/controller/fragment-tracker.ts ***!
    68. 

  68.   \********************************************/
    69. 

  69. /*! exports provided: FragmentState, FragmentTracker */function(t,e,r){"use strict";r.r(e),r.d(e,"FragmentState",(function(){return i})),r.d(e,"FragmentTracker",(function(){return a}));var i,n=r(/*! ../events */"./src/events.ts"),s=r(/*! ../types/loader */"./src/types/loader.ts");(function(t){t["NOT_LOADED"]="NOT_LOADED",t["BACKTRACKED"]="BACKTRACKED",t["APPENDING"]="APPENDING",t["PARTIAL"]="PARTIAL",t["OK"]="OK"})(i||(i={}));var a=function(){function t(t){this.activeFragment=null,this.activeParts=null,this.fragments=Object.create(null),this.timeRanges=Object.create(null),this.bufferPadding=.2,this.hls=void 0,this.hls=t,this._registerListeners()}var e=t.prototype;return e._registerListeners=function(){var t=this.hls;t.on(n["Events"].BUFFER_APPENDED,this.onBufferAppended,this),t.on(n["Events"].FRAG_BUFFERED,this.onFragBuffered,this),t.on(n["Events"].FRAG_LOADED,this.onFragLoaded,this)},e._unregisterListeners=function(){var t=this.hls;t.off(n["Events"].BUFFER_APPENDED,this.onBufferAppended,this),t.off(n["Events"].FRAG_BUFFERED,this.onFragBuffered,this),t.off(n["Events"].FRAG_LOADED,this.onFragLoaded,this)},e.destroy=function(){this._unregisterListeners(),this.fragments=this.timeRanges=null},e.getAppendedFrag=function(t,e){if(e===s["PlaylistLevelType"].MAIN){var r=this.activeFragment,i=this.activeParts;if(!r)return null;if(i)for(var n=i.length;n--;){var a=i[n],o=a?a.end:r.appendedPTS;if(a.start<=t&&void 0!==o&&t<=o)return n>9&&(this.activeParts=i.slice(n-9)),a}else if(r.start<=t&&void 0!==r.appendedPTS&&t<=r.appendedPTS)return r}return this.getBufferedFrag(t,e)},e.getBufferedFrag=function(t,e){for(var r=this.fragments,i=Object.keys(r),n=i.length;n--;){var s=r[i[n]];if((null===s||void 0===s?void 0:s.body.type)===e&&s.buffered){var a=s.body;if(a.start<=t&&t<=a.end)return a}}return null},e.detectEvictedFragments=function(t,e,r){var i=this;Object.keys(this.fragments).forEach((function(n){var s=i.fragments[n];if(s)if(s.buffered){var a=s.range[t];a&&a.time.some((function(t){var r=!i.isTimeBuffered(t.startPTS,t.endPTS,e);return r&&i.removeFragment(s.body),r}))}else s.body.type===r&&i.removeFragment(s.body)}))},e.detectPartialFragments=function(t){var e=this,r=this.timeRanges,i=t.frag,n=t.part;if(r&&"initSegment"!==i.sn){var s=l(i),a=this.fragments[s];a&&(Object.keys(r).forEach((function(t){var s=i.elementaryStreams[t];if(s){var o=r[t],l=null!==n||!0===s.partial;a.range[t]=e.getBufferedTimes(i,n,l,o)}})),a.backtrack=a.loaded=null,Object.keys(a.range).length?a.buffered=!0:this.removeFragment(a.body))}},e.fragBuffered=function(t){var e=l(t),r=this.fragments[e];r&&(r.backtrack=r.loaded=null,r.buffered=!0)},e.getBufferedTimes=function(t,e,r,i){for(var n={time:[],partial:r},s=e?e.start:t.start,a=e?e.end:t.end,o=t.minEndPTS||a,l=t.maxStartPTS||s,u=0;u<i.length;u++){var c=i.start(u)-this.bufferPadding,d=i.end(u)+this.bufferPadding;if(l>=c&&o<=d){n.time.push({startPTS:Math.max(s,i.start(u)),endPTS:Math.min(a,i.end(u))});break}if(s<d&&a>c)n.partial=!0,n.time.push({startPTS:Math.max(s,i.start(u)),endPTS:Math.min(a,i.end(u))});else if(a<=c)break}return n},e.getPartialFragment=function(t){var e,r,i,n=null,s=0,a=this.bufferPadding,l=this.fragments;return Object.keys(l).forEach((function(u){var c=l[u];c&&o(c)&&(r=c.body.start-a,i=c.body.end+a,t>=r&&t<=i&&(e=Math.min(t-r,i-t),s<=e&&(n=c.body,s=e)))})),n},e.getState=function(t){var e=l(t),r=this.fragments[e];return r?r.buffered?o(r)?i.PARTIAL:i.OK:r.backtrack?i.BACKTRACKED:i.APPENDING:i.NOT_LOADED},e.backtrack=function(t,e){var r=l(t),i=this.fragments[r];if(!i||i.backtrack)return null;var n=i.backtrack=e||i.loaded;return i.loaded=null,n},e.getBacktrackData=function(t){var e=l(t),r=this.fragments[e];if(r){var i,n=r.backtrack;if(null!==n&&void 0!==n&&null!==(i=n.payload)&&void 0!==i&&i.byteLength)return n;this.removeFragment(t)}return null},e.isTimeBuffered=function(t,e,r){for(var i,n,s=0;s<r.length;s++){if(i=r.start(s)-this.bufferPadding,n=r.end(s)+this.bufferPadding,t>=i&&e<=n)return!0;if(e<=i)return!1}return!1},e.onFragLoaded=function(t,e){var r=e.frag,i=e.part;if("initSegment"!==r.sn&&!r.bitrateTest&&!i){var n=l(r);this.fragments[n]={body:r,loaded:e,backtrack:null,buffered:!1,range:Object.create(null)}}},e.onBufferAppended=function(t,e){var r=this,i=e.frag,n=e.part,a=e.timeRanges;if(i.type===s["PlaylistLevelType"].MAIN)if(this.activeFragment=i,n){var o=this.activeParts;o||(this.activeParts=o=[]),o.push(n)}else this.activeParts=null;this.timeRanges=a,Object.keys(a).forEach((function(t){var e=a[t];if(r.detectEvictedFragments(t,e),!n)for(var s=0;s<e.length;s++)i.appendedPTS=Math.max(e.end(s),i.appendedPTS||0)}))},e.onFragBuffered=function(t,e){this.detectPartialFragments(e)},e.hasFragment=function(t){var e=l(t);return!!this.fragments[e]},e.removeFragmentsInRange=function(t,e,r){var i=this;Object.keys(this.fragments).forEach((function(n){var s=i.fragments[n];if(s&&s.buffered){var a=s.body;a.type===r&&a.start<e&&a.end>t&&i.removeFragment(a)}}))},e.removeFragment=function(t){var e=l(t);t.stats.loaded=0,t.clearElementaryStreamInfo(),delete this.fragments[e]},e.removeAllFragments=function(){this.fragments=Object.create(null),this.activeFragment=null,this.activeParts=null},t}();function o(t){var e,r;return t.buffered&&((null===(e=t.range.video)||void 0===e?void 0:e.partial)||(null===(r=t.range.audio)||void 0===r?void 0:r.partial))}function l(t){return t.type+"_"+t.level+"_"+t.urlId+"_"+t.sn}},"./src/controller/gap-controller.ts":
    70. 

  70. /*!******************************************!*\
    71. 

  71.   !*** ./src/controller/gap-controller.ts ***!
    72. 

  72.   \******************************************/
    73. 

  73. /*! exports provided: STALL_MINIMUM_DURATION_MS, MAX_START_GAP_JUMP, SKIP_BUFFER_HOLE_STEP_SECONDS, SKIP_BUFFER_RANGE_START, default */function(t,e,r){"use strict";r.r(e),r.d(e,"STALL_MINIMUM_DURATION_MS",(function(){return o})),r.d(e,"MAX_START_GAP_JUMP",(function(){return l})),r.d(e,"SKIP_BUFFER_HOLE_STEP_SECONDS",(function(){return u})),r.d(e,"SKIP_BUFFER_RANGE_START",(function(){return c})),r.d(e,"default",(function(){return d}));var i=r(/*! ../utils/buffer-helper */"./src/utils/buffer-helper.ts"),n=r(/*! ../errors */"./src/errors.ts"),s=r(/*! ../events */"./src/events.ts"),a=r(/*! ../utils/logger */"./src/utils/logger.ts"),o=250,l=2,u=.1,c=.05,d=function(){function t(t,e,r,i){this.config=void 0,this.media=void 0,this.fragmentTracker=void 0,this.hls=void 0,this.nudgeRetry=0,this.stallReported=!1,this.stalled=null,this.moved=!1,this.seeking=!1,this.config=t,this.media=e,this.fragmentTracker=r,this.hls=i}var e=t.prototype;return e.destroy=function(){this.hls=this.fragmentTracker=this.media=null},e.poll=function(t){var e=this.config,r=this.media,n=this.stalled,s=r.currentTime,u=r.seeking,c=this.seeking&&!u,d=!this.seeking&&u;if(this.seeking=u,s===t){if((d||c)&&(this.stalled=null),!r.paused&&!r.ended&&0!==r.playbackRate&&i["BufferHelper"].getBuffered(r).length){var h=i["BufferHelper"].bufferInfo(r,s,0),f=h.len>0,g=h.nextStart||0;if(f||g){if(u){var v=h.len>l,p=!g||g-s>l&&!this.fragmentTracker.getPartialFragment(s);if(v||p)return;this.moved=!1}if(!this.moved&&null!==this.stalled){var m,y=Math.max(g,h.start||0)-s,E=this.hls.levels?this.hls.levels[this.hls.currentLevel]:null,T=null===E||void 0===E||null===(m=E.details)||void 0===m?void 0:m.live,S=T?2*E.details.targetduration:l;if(y>0&&y<=S)return void this._trySkipBufferHole(null)}var b=self.performance.now();if(null!==n){var L=b-n;!u&&L>=o&&this._reportStall(h.len);var A=i["BufferHelper"].bufferInfo(r,s,e.maxBufferHole);this._tryFixBufferStall(A,L)}else this.stalled=b}}}else if(this.moved=!0,null!==n){if(this.stallReported){var D=self.performance.now()-n;a["logger"].warn("playback not stuck anymore @"+s+", after "+Math.round(D)+"ms"),this.stallReported=!1}this.stalled=null,this.nudgeRetry=0}},e._tryFixBufferStall=function(t,e){var r=this.config,i=this.fragmentTracker,n=this.media,s=n.currentTime,o=i.getPartialFragment(s);if(o){var l=this._trySkipBufferHole(o);if(l)return}t.len>r.maxBufferHole&&e>1e3*r.highBufferWatchdogPeriod&&(a["logger"].warn("Trying to nudge playhead over buffer-hole"),this.stalled=null,this._tryNudgeBuffer())},e._reportStall=function(t){var e=this.hls,r=this.media,i=this.stallReported;i||(this.stallReported=!0,a["logger"].warn("Playback stalling at @"+r.currentTime+" due to low buffer (buffer="+t+")"),e.trigger(s["Events"].ERROR,{type:n["ErrorTypes"].MEDIA_ERROR,details:n["ErrorDetails"].BUFFER_STALLED_ERROR,fatal:!1,buffer:t}))},e._trySkipBufferHole=function(t){for(var e=this.config,r=this.hls,o=this.media,l=o.currentTime,d=0,h=i["BufferHelper"].getBuffered(o),f=0;f<h.length;f++){var g=h.start(f);if(l+e.maxBufferHole>=d&&l<g){var v=Math.max(g+c,o.currentTime+u);return a["logger"].warn("skipping hole, adjusting currentTime from "+l+" to "+v),this.moved=!0,this.stalled=null,o.currentTime=v,t&&r.trigger(s["Events"].ERROR,{type:n["ErrorTypes"].MEDIA_ERROR,details:n["ErrorDetails"].BUFFER_SEEK_OVER_HOLE,fatal:!1,reason:"fragment loaded with buffer holes, seeking from "+l+" to "+v,frag:t}),v}d=h.end(f)}return 0},e._tryNudgeBuffer=function(){var t=this.config,e=this.hls,r=this.media,i=r.currentTime,o=(this.nudgeRetry||0)+1;if(this.nudgeRetry=o,o<t.nudgeMaxRetry){var l=i+o*t.nudgeOffset;a["logger"].warn("Nudging 'currentTime' from "+i+" to "+l),r.currentTime=l,e.trigger(s["Events"].ERROR,{type:n["ErrorTypes"].MEDIA_ERROR,details:n["ErrorDetails"].BUFFER_NUDGE_ON_STALL,fatal:!1})}else a["logger"].error("Playhead still not moving while enough data buffered @"+i+" after "+t.nudgeMaxRetry+" nudges"),e.trigger(s["Events"].ERROR,{type:n["ErrorTypes"].MEDIA_ERROR,details:n["ErrorDetails"].BUFFER_STALLED_ERROR,fatal:!0})},t}()},"./src/controller/id3-track-controller.ts":
    74. 

  74. /*!************************************************!*\
    75. 

  75.   !*** ./src/controller/id3-track-controller.ts ***!
    76. 

  76.   \************************************************/
    77. 

  77. /*! exports provided: default */function(t,e,r){"use strict";r.r(e);var i=r(/*! ../events */"./src/events.ts"),n=r(/*! ../utils/texttrack-utils */"./src/utils/texttrack-utils.ts"),s=r(/*! ../demux/id3 */"./src/demux/id3.ts"),a=.25,o=function(){function t(t){this.hls=void 0,this.id3Track=null,this.media=null,this.hls=t,this._registerListeners()}var e=t.prototype;return e.destroy=function(){this._unregisterListeners()},e._registerListeners=function(){var t=this.hls;t.on(i["Events"].MEDIA_ATTACHED,this.onMediaAttached,this),t.on(i["Events"].MEDIA_DETACHING,this.onMediaDetaching,this),t.on(i["Events"].FRAG_PARSING_METADATA,this.onFragParsingMetadata,this),t.on(i["Events"].BUFFER_FLUSHING,this.onBufferFlushing,this)},e._unregisterListeners=function(){var t=this.hls;t.off(i["Events"].MEDIA_ATTACHED,this.onMediaAttached,this),t.off(i["Events"].MEDIA_DETACHING,this.onMediaDetaching,this),t.off(i["Events"].FRAG_PARSING_METADATA,this.onFragParsingMetadata,this),t.off(i["Events"].BUFFER_FLUSHING,this.onBufferFlushing,this)},e.onMediaAttached=function(t,e){this.media=e.media},e.onMediaDetaching=function(){this.id3Track&&(Object(n["clearCurrentCues"])(this.id3Track),this.id3Track=null,this.media=null)},e.getID3Track=function(t){if(this.media){for(var e=0;e<t.length;e++){var r=t[e];if("metadata"===r.kind&&"id3"===r.label)return Object(n["sendAddTrackEvent"])(r,this.media),r}return this.media.addTextTrack("metadata","id3")}},e.onFragParsingMetadata=function(t,e){if(this.media){var r=e.frag,i=e.samples;this.id3Track||(this.id3Track=this.getID3Track(this.media.textTracks),this.id3Track.mode="hidden");for(var n=self.WebKitDataCue||self.VTTCue||self.TextTrackCue,o=0;o<i.length;o++){var l=s["getID3Frames"](i[o].data);if(l){var u=i[o].pts,c=o<i.length-1?i[o+1].pts:r.end,d=c-u;d<=0&&(c=u+a);for(var h=0;h<l.length;h++){var f=l[h];if(!s["isTimeStampFrame"](f)){var g=new n(u,c,"");g.value=f,this.id3Track.addCue(g)}}}}}},e.onBufferFlushing=function(t,e){var r=e.startOffset,i=e.endOffset,s=e.type;if(!s||"audio"===s){var a=this.id3Track;a&&Object(n["removeCuesInRange"])(a,r,i)}},t}();e["default"]=o},"./src/controller/latency-controller.ts":
    78. 

  78. /*!**********************************************!*\
    79. 

  79.   !*** ./src/controller/latency-controller.ts ***!
    80. 

  80.   \**********************************************/
    81. 

  81. /*! exports provided: default */function(t,e,r){"use strict";r.r(e),r.d(e,"default",(function(){return l}));var i=r(/*! ../errors */"./src/errors.ts"),n=r(/*! ../events */"./src/events.ts"),s=r(/*! ../utils/logger */"./src/utils/logger.ts");function a(t,e){for(var r=0;r<e.length;r++){var i=e[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}function o(t,e,r){return e&&a(t.prototype,e),r&&a(t,r),t}var l=function(){function t(t){var e=this;this.hls=void 0,this.config=void 0,this.media=null,this.levelDetails=null,this.currentTime=0,this.stallCount=0,this._latency=null,this.timeupdateHandler=function(){return e.timeupdate()},this.hls=t,this.config=t.config,this.registerListeners()}var e=t.prototype;return e.destroy=function(){this.unregisterListeners(),this.onMediaDetaching(),this.levelDetails=null,this.hls=this.timeupdateHandler=null},e.registerListeners=function(){this.hls.on(n["Events"].MEDIA_ATTACHED,this.onMediaAttached,this),this.hls.on(n["Events"].MEDIA_DETACHING,this.onMediaDetaching,this),this.hls.on(n["Events"].MANIFEST_LOADING,this.onManifestLoading,this),this.hls.on(n["Events"].LEVEL_UPDATED,this.onLevelUpdated,this),this.hls.on(n["Events"].ERROR,this.onError,this)},e.unregisterListeners=function(){this.hls.off(n["Events"].MEDIA_ATTACHED,this.onMediaAttached),this.hls.off(n["Events"].MEDIA_DETACHING,this.onMediaDetaching),this.hls.off(n["Events"].MANIFEST_LOADING,this.onManifestLoading),this.hls.off(n["Events"].LEVEL_UPDATED,this.onLevelUpdated),this.hls.off(n["Events"].ERROR,this.onError)},e.onMediaAttached=function(t,e){this.media=e.media,this.media.addEventListener("timeupdate",this.timeupdateHandler)},e.onMediaDetaching=function(){this.media&&(this.media.removeEventListener("timeupdate",this.timeupdateHandler),this.media=null)},e.onManifestLoading=function(){this.levelDetails=null,this._latency=null,this.stallCount=0},e.onLevelUpdated=function(t,e){var r=e.details;this.levelDetails=r,r.advanced&&this.timeupdate(),!r.live&&this.media&&this.media.removeEventListener("timeupdate",this.timeupdateHandler)},e.onError=function(t,e){e.details===i["ErrorDetails"].BUFFER_STALLED_ERROR&&(this.stallCount++,s["logger"].warn("[playback-rate-controller]: Stall detected, adjusting target latency"))},e.timeupdate=function(){var t=this.media,e=this.levelDetails;if(t&&e){this.currentTime=t.currentTime;var r=this.computeLatency();if(null!==r){this._latency=r;var i=this.config,n=i.lowLatencyMode,s=i.maxLiveSyncPlaybackRate;if(n&&1!==s){var a=this.targetLatency;if(null!==a){var o=r-a,l=Math.min(this.maxLatency,a+e.targetduration),u=o<l;if(e.live&&u&&o>.05&&this.forwardBufferLength>1){var c=Math.min(2,Math.max(1,s)),d=Math.round(2/(1+Math.exp(-.75*o-this.edgeStalled))*20)/20;t.playbackRate=Math.min(c,Math.max(1,d))}else 1!==t.playbackRate&&0!==t.playbackRate&&(t.playbackRate=1)}}}}},e.estimateLiveEdge=function(){var t=this.levelDetails;return null===t?null:t.edge+t.age},e.computeLatency=function(){var t=this.estimateLiveEdge();return null===t?null:t-this.currentTime},o(t,[{key:"latency",get:function(){return this._latency||0}},{key:"maxLatency",get:function(){var t=this.config,e=this.levelDetails;return void 0!==t.liveMaxLatencyDuration?t.liveMaxLatencyDuration:e?t.liveMaxLatencyDurationCount*e.targetduration:0}},{key:"targetLatency",get:function(){var t=this.levelDetails;if(null===t)return null;var e=t.holdBack,r=t.partHoldBack,i=t.targetduration,n=this.config,s=n.liveSyncDuration,a=n.liveSyncDurationCount,o=n.lowLatencyMode,l=this.hls.userConfig,u=o&&r||e;(l.liveSyncDuration||l.liveSyncDurationCount||0===u)&&(u=void 0!==s?s:a*i);var c=i,d=1;return u+Math.min(this.stallCount*d,c)}},{key:"liveSyncPosition",get:function(){var t=this.estimateLiveEdge(),e=this.targetLatency,r=this.levelDetails;if(null===t||null===e||null===r)return null;var i=r.edge,n=t-e-this.edgeStalled,s=i-r.totalduration,a=i-(this.config.lowLatencyMode&&r.partTarget||r.targetduration);return Math.min(Math.max(s,n),a)}},{key:"drift",get:function(){var t=this.levelDetails;return null===t?1:t.drift}},{key:"edgeStalled",get:function(){var t=this.levelDetails;if(null===t)return 0;var e=3*(this.config.lowLatencyMode&&t.partTarget||t.targetduration);return Math.max(t.age-e,0)}},{key:"forwardBufferLength",get:function(){var t=this.media,e=this.levelDetails;if(!t||!e)return 0;var r=t.buffered.length;return r?t.buffered.end(r-1):e.edge-this.currentTime}}]),t}()},"./src/controller/level-controller.ts":
    82. 

  82. /*!********************************************!*\
    83. 

  83.   !*** ./src/controller/level-controller.ts ***!
    84. 

  84.   \********************************************/
    85. 

  85. /*! exports provided: default */function(t,e,r){"use strict";r.r(e),r.d(e,"default",(function(){return p}));var i=r(/*! ../types/level */"./src/types/level.ts"),n=r(/*! ../events */"./src/events.ts"),s=r(/*! ../errors */"./src/errors.ts"),a=r(/*! ../utils/codecs */"./src/utils/codecs.ts"),o=r(/*! ./level-helper */"./src/controller/level-helper.ts"),l=r(/*! ./base-playlist-controller */"./src/controller/base-playlist-controller.ts"),u=r(/*! ../types/loader */"./src/types/loader.ts");function c(){return c=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var r=arguments[e];for(var i in r)Object.prototype.hasOwnProperty.call(r,i)&&(t[i]=r[i])}return t},c.apply(this,arguments)}function d(t,e){for(var r=0;r<e.length;r++){var i=e[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}function h(t,e,r){return e&&d(t.prototype,e),r&&d(t,r),t}function f(t,e){t.prototype=Object.create(e.prototype),t.prototype.constructor=t,g(t,e)}function g(t,e){return g=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t},g(t,e)}var v=/chrome|firefox/.test(navigator.userAgent.toLowerCase()),p=function(t){function e(e){var r;return r=t.call(this,e,"[level-controller]")||this,r._levels=[],r._firstLevel=-1,r._startLevel=void 0,r.currentLevelIndex=-1,r.manualLevelIndex=-1,r.onParsedComplete=void 0,r._registerListeners(),r}f(e,t);var r=e.prototype;return r._registerListeners=function(){var t=this.hls;t.on(n["Events"].MANIFEST_LOADED,this.onManifestLoaded,this),t.on(n["Events"].LEVEL_LOADED,this.onLevelLoaded,this),t.on(n["Events"].AUDIO_TRACK_SWITCHED,this.onAudioTrackSwitched,this),t.on(n["Events"].FRAG_LOADED,this.onFragLoaded,this),t.on(n["Events"].ERROR,this.onError,this)},r._unregisterListeners=function(){var t=this.hls;t.off(n["Events"].MANIFEST_LOADED,this.onManifestLoaded,this),t.off(n["Events"].LEVEL_LOADED,this.onLevelLoaded,this),t.off(n["Events"].AUDIO_TRACK_SWITCHED,this.onAudioTrackSwitched,this),t.off(n["Events"].FRAG_LOADED,this.onFragLoaded,this),t.off(n["Events"].ERROR,this.onError,this)},r.destroy=function(){this._unregisterListeners(),this.manualLevelIndex=-1,this._levels.length=0,t.prototype.destroy.call(this)},r.startLoad=function(){var e=this._levels;e.forEach((function(t){t.loadError=0})),t.prototype.startLoad.call(this)},r.onManifestLoaded=function(t,e){var r,l,u=[],c=[],d=[],h={},f=!1,g=!1,p=!1;if(e.levels.forEach((function(t){var e=t.attrs;f=f||!(!t.width||!t.height),g=g||!!t.videoCodec,p=p||!!t.audioCodec,v&&t.audioCodec&&-1!==t.audioCodec.indexOf("mp4a.40.34")&&(t.audioCodec=void 0);var r=t.bitrate+"-"+t.attrs.RESOLUTION+"-"+t.attrs.CODECS;l=h[r],l?l.url.push(t.url):(l=new i["Level"](t),h[r]=l,u.push(l)),e&&(e.AUDIO&&Object(o["addGroupId"])(l,"audio",e.AUDIO),e.SUBTITLES&&Object(o["addGroupId"])(l,"text",e.SUBTITLES))})),(f||g)&&p&&(u=u.filter((function(t){var e=t.videoCodec,r=t.width,i=t.height;return!!e||!(!r||!i)}))),u=u.filter((function(t){var e=t.audioCodec,r=t.videoCodec;return(!e||Object(a["isCodecSupportedInMp4"])(e,"audio"))&&(!r||Object(a["isCodecSupportedInMp4"])(r,"video"))})),e.audioTracks&&(c=e.audioTracks.filter((function(t){return!t.audioCodec||Object(a["isCodecSupportedInMp4"])(t.audioCodec,"audio")})),Object(o["assignTrackIdsByGroup"])(c)),e.subtitles&&(d=e.subtitles,Object(o["assignTrackIdsByGroup"])(d)),u.length>0){r=u[0].bitrate,u.sort((function(t,e){return t.bitrate-e.bitrate})),this._levels=u;for(var m=0;m<u.length;m++)if(u[m].bitrate===r){this._firstLevel=m,this.log("manifest loaded, "+u.length+" level(s) found, first bitrate: "+r);break}var y=p&&!g,E={levels:u,audioTracks:c,subtitleTracks:d,firstLevel:this._firstLevel,stats:e.stats,audio:p,video:g,altAudio:!y&&c.some((function(t){return!!t.url}))};this.hls.trigger(n["Events"].MANIFEST_PARSED,E),(this.hls.config.autoStartLoad||this.hls.forceStartLoad)&&this.hls.startLoad(this.hls.config.startPosition)}else this.hls.trigger(n["Events"].ERROR,{type:s["ErrorTypes"].MEDIA_ERROR,details:s["ErrorDetails"].MANIFEST_INCOMPATIBLE_CODECS_ERROR,fatal:!0,url:e.url,reason:"no level with compatible codecs found in manifest"})},r.onError=function(e,r){if(t.prototype.onError.call(this,e,r),!r.fatal){var i=r.context,n=this._levels[this.currentLevelIndex];if(i&&(i.type===u["PlaylistContextType"].AUDIO_TRACK&&n.audioGroupIds&&i.groupId===n.audioGroupIds[n.urlId]||i.type===u["PlaylistContextType"].SUBTITLE_TRACK&&n.textGroupIds&&i.groupId===n.textGroupIds[n.urlId]))this.redundantFailover(this.currentLevelIndex);else{var a,o=!1,l=!0;switch(r.details){case s["ErrorDetails"].FRAG_LOAD_ERROR:case s["ErrorDetails"].FRAG_LOAD_TIMEOUT:case s["ErrorDetails"].KEY_LOAD_ERROR:case s["ErrorDetails"].KEY_LOAD_TIMEOUT:if(r.frag){var c=this._levels[r.frag.level];c?(c.fragmentError++,c.fragmentError>this.hls.config.fragLoadingMaxRetry&&(a=r.frag.level)):a=r.frag.level}break;case s["ErrorDetails"].LEVEL_LOAD_ERROR:case s["ErrorDetails"].LEVEL_LOAD_TIMEOUT:i&&(i.deliveryDirectives&&(l=!1),a=i.level),o=!0;break;case s["ErrorDetails"].REMUX_ALLOC_ERROR:a=r.level,o=!0;break}void 0!==a&&this.recoverLevel(r,a,o,l)}}},r.recoverLevel=function(t,e,r,i){var n=t.details,s=this._levels[e];if(s.loadError++,r){var a=this.retryLoadingOrFail(t);if(!a)return void(this.currentLevelIndex=-1);t.levelRetry=!0}if(i){var o=s.url.length;if(o>1&&s.loadError<o)t.levelRetry=!0,this.redundantFailover(e);else if(-1===this.manualLevelIndex){var l=0===e?this._levels.length-1:e-1;this.currentLevelIndex!==l&&0===this._levels[l].loadError&&(this.warn(n+": switch to "+l),t.levelRetry=!0,this.hls.nextAutoLevel=l)}}},r.redundantFailover=function(t){var e=this._levels[t],r=e.url.length;if(r>1){var i=(e.urlId+1)%r;this.warn("Switching to redundant URL-id "+i),this._levels.forEach((function(t){t.urlId=i})),this.level=t}},r.onFragLoaded=function(t,e){var r=e.frag;if(void 0!==r&&r.type===u["PlaylistLevelType"].MAIN){var i=this._levels[r.level];void 0!==i&&(i.fragmentError=0,i.loadError=0)}},r.onLevelLoaded=function(t,e){var r,i,n=e.level,s=e.details,a=this._levels[n];if(!a)return this.warn("Invalid level index "+n),void(null!==(i=e.deliveryDirectives)&&void 0!==i&&i.skip&&(s.deltaUpdateFailed=!0));n===this.currentLevelIndex?(0===a.fragmentError&&(a.loadError=0,this.retryCount=0),this.playlistLoaded(n,e,a.details)):null!==(r=e.deliveryDirectives)&&void 0!==r&&r.skip&&(s.deltaUpdateFailed=!0)},r.onAudioTrackSwitched=function(t,e){var r=this.hls.levels[this.currentLevelIndex];if(r&&r.audioGroupIds){for(var i=-1,n=this.hls.audioTracks[e.id].groupId,s=0;s<r.audioGroupIds.length;s++)if(r.audioGroupIds[s]===n){i=s;break}i!==r.urlId&&(r.urlId=i,this.startLoad())}},r.loadPlaylist=function(t){var e=this.currentLevelIndex,r=this._levels[e];if(this.canLoad&&r&&r.url.length>0){var i=r.urlId,s=r.url[i];if(t)try{s=t.addDirectives(s)}catch(a){this.warn("Could not construct new URL with HLS Delivery Directives: "+a)}this.log("Attempt loading level index "+e+(t?" at sn "+t.msn+" part "+t.part:"")+" with URL-id "+i+" "+s),this.clearTimer(),this.hls.trigger(n["Events"].LEVEL_LOADING,{url:s,level:e,id:i,deliveryDirectives:t||null})}},r.removeLevel=function(t,e){var r=function(t,r){return r!==e},i=this._levels.filter((function(i,n){return n!==t||i.url.length>1&&void 0!==e&&(i.url=i.url.filter(r),i.audioGroupIds&&(i.audioGroupIds=i.audioGroupIds.filter(r)),i.textGroupIds&&(i.textGroupIds=i.textGroupIds.filter(r)),i.urlId=0,!0)})).map((function(t,e){var r=t.details;return null!==r&&void 0!==r&&r.fragments&&r.fragments.forEach((function(t){t.level=e})),t}));this._levels=i,this.hls.trigger(n["Events"].LEVELS_UPDATED,{levels:i})},h(e,[{key:"levels",get:function(){return 0===this._levels.length?null:this._levels}},{key:"level",get:function(){return this.currentLevelIndex},set:function(t){var e,r=this._levels;if(0!==r.length&&(this.currentLevelIndex!==t||null===(e=r[t])||void 0===e||!e.details)){if(t<0||t>=r.length){var i=t<0;if(this.hls.trigger(n["Events"].ERROR,{type:s["ErrorTypes"].OTHER_ERROR,details:s["ErrorDetails"].LEVEL_SWITCH_ERROR,level:t,fatal:i,reason:"invalid level idx"}),i)return;t=Math.min(t,r.length-1)}this.clearTimer();var a=this.currentLevelIndex,o=r[a],l=r[t];this.log("switching to level "+t+" from "+a),this.currentLevelIndex=t;var u=c({},l,{level:t,maxBitrate:l.maxBitrate,uri:l.uri,urlId:l.urlId});delete u._urlId,this.hls.trigger(n["Events"].LEVEL_SWITCHING,u);var d=l.details;if(!d||d.live){var h=this.switchParams(l.uri,null===o||void 0===o?void 0:o.details);this.loadPlaylist(h)}}}},{key:"manualLevel",get:function(){return this.manualLevelIndex},set:function(t){this.manualLevelIndex=t,void 0===this._startLevel&&(this._startLevel=t),-1!==t&&(this.level=t)}},{key:"firstLevel",get:function(){return this._firstLevel},set:function(t){this._firstLevel=t}},{key:"startLevel",get:function(){if(void 0===this._startLevel){var t=this.hls.config.startLevel;return void 0!==t?t:this._firstLevel}return this._startLevel},set:function(t){this._startLevel=t}},{key:"nextLoadLevel",get:function(){return-1!==this.manualLevelIndex?this.manualLevelIndex:this.hls.nextAutoLevel},set:function(t){this.level=t,-1===this.manualLevelIndex&&(this.hls.nextAutoLevel=t)}}]),e}(l["default"])},"./src/controller/level-helper.ts":
    86. 

  86. /*!****************************************!*\
    87. 

  87.   !*** ./src/controller/level-helper.ts ***!
    88. 

  88.   \****************************************/
    89. 

  89. /*! exports provided: addGroupId, assignTrackIdsByGroup, updatePTS, updateFragPTSDTS, mergeDetails, mapPartIntersection, mapFragmentIntersection, adjustSliding, addSliding, computeReloadInterval, getFragmentWithSN, getPartWith */function(t,e,r){"use strict";r.r(e),r.d(e,"addGroupId",(function(){return s})),r.d(e,"assignTrackIdsByGroup",(function(){return a})),r.d(e,"updatePTS",(function(){return o})),r.d(e,"updateFragPTSDTS",(function(){return u})),r.d(e,"mergeDetails",(function(){return c})),r.d(e,"mapPartIntersection",(function(){return d})),r.d(e,"mapFragmentIntersection",(function(){return h})),r.d(e,"adjustSliding",(function(){return f})),r.d(e,"addSliding",(function(){return g})),r.d(e,"computeReloadInterval",(function(){return v})),r.d(e,"getFragmentWithSN",(function(){return p})),r.d(e,"getPartWith",(function(){return m}));var i=r(/*! ./src/polyfills/number */"./src/polyfills/number.ts"),n=r(/*! ../utils/logger */"./src/utils/logger.ts");function s(t,e,r){switch(e){case"audio":t.audioGroupIds||(t.audioGroupIds=[]),t.audioGroupIds.push(r);break;case"text":t.textGroupIds||(t.textGroupIds=[]),t.textGroupIds.push(r);break}}function a(t){var e={};t.forEach((function(t){var r=t.groupId||"";t.id=e[r]=e[r]||0,e[r]++}))}function o(t,e,r){var i=t[e],n=t[r];l(i,n)}function l(t,e){var r=e.startPTS;if(Object(i["isFiniteNumber"])(r)){var n,s=0;e.sn>t.sn?(s=r-t.start,n=t):(s=t.start-r,n=e),n.duration!==s&&(n.duration=s)}else if(e.sn>t.sn){var a=t.cc===e.cc;a&&t.minEndPTS?e.start=t.start+(t.minEndPTS-t.start):e.start=t.start+t.duration}else e.start=Math.max(t.start-e.duration,0)}function u(t,e,r,s,a,o){var u=s-r;u<=0&&(n["logger"].warn("Fragment should have a positive duration",e),s=r+e.duration,o=a+e.duration);var c=r,d=s,h=e.startPTS,f=e.endPTS;if(Object(i["isFiniteNumber"])(h)){var g=Math.abs(h-r);Object(i["isFiniteNumber"])(e.deltaPTS)?e.deltaPTS=Math.max(g,e.deltaPTS):e.deltaPTS=g,c=Math.max(r,h),r=Math.min(r,h),a=Math.min(a,e.startDTS),d=Math.min(s,f),s=Math.max(s,f),o=Math.max(o,e.endDTS)}e.duration=s-r;var v=r-e.start;e.appendedPTS=s,e.start=e.startPTS=r,e.maxStartPTS=c,e.startDTS=a,e.endPTS=s,e.minEndPTS=d,e.endDTS=o;var p,m=e.sn;if(!t||m<t.startSN||m>t.endSN)return 0;var y=m-t.startSN,E=t.fragments;for(E[y]=e,p=y;p>0;p--)l(E[p],E[p-1]);for(p=y;p<E.length-1;p++)l(E[p],E[p+1]);return t.fragmentHint&&l(E[E.length-1],t.fragmentHint),t.PTSKnown=t.alignedSliding=!0,v}function c(t,e){for(var r=null,s=t.fragments,a=s.length-1;a>=0;a--){var o=s[a].initSegment;if(o){r=o;break}}t.fragmentHint&&delete t.fragmentHint.endPTS;var l,c=0;if(h(t,e,(function(t,n){t.relurl&&(c=t.cc-n.cc),Object(i["isFiniteNumber"])(t.startPTS)&&Object(i["isFiniteNumber"])(t.endPTS)&&(n.start=n.startPTS=t.startPTS,n.startDTS=t.startDTS,n.appendedPTS=t.appendedPTS,n.maxStartPTS=t.maxStartPTS,n.endPTS=t.endPTS,n.endDTS=t.endDTS,n.minEndPTS=t.minEndPTS,n.duration=t.endPTS-t.startPTS,n.duration&&(l=n),e.PTSKnown=e.alignedSliding=!0),n.elementaryStreams=t.elementaryStreams,n.loader=t.loader,n.stats=t.stats,n.urlId=t.urlId,t.initSegment&&(n.initSegment=t.initSegment,r=t.initSegment)})),r){var g=e.fragmentHint?e.fragments.concat(e.fragmentHint):e.fragments;g.forEach((function(t){var e;t.initSegment&&t.initSegment.relurl!==(null===(e=r)||void 0===e?void 0:e.relurl)||(t.initSegment=r)}))}if(e.skippedSegments&&(e.deltaUpdateFailed=e.fragments.some((function(t){return!t})),e.deltaUpdateFailed)){n["logger"].warn("[level-helper] Previous playlist missing segments skipped in delta playlist");for(var v=e.skippedSegments;v--;)e.fragments.shift();e.startSN=e.fragments[0].sn,e.startCC=e.fragments[0].cc}var p=e.fragments;if(c){n["logger"].warn("discontinuity sliding from playlist, take drift into account");for(var m=0;m<p.length;m++)p[m].cc+=c}e.skippedSegments&&(e.startCC=e.fragments[0].cc),d(t.partList,e.partList,(function(t,e){e.elementaryStreams=t.elementaryStreams,e.stats=t.stats})),l?u(e,l,l.startPTS,l.endPTS,l.startDTS,l.endDTS):f(t,e),p.length&&(e.totalduration=e.edge-p[0].start),e.driftStartTime=t.driftStartTime,e.driftStart=t.driftStart;var y=e.advancedDateTime;if(e.advanced&&y){var E=e.edge;e.driftStart||(e.driftStartTime=y,e.driftStart=E),e.driftEndTime=y,e.driftEnd=E}else e.driftEndTime=t.driftEndTime,e.driftEnd=t.driftEnd,e.advancedDateTime=t.advancedDateTime}function d(t,e,r){if(t&&e)for(var i=0,n=0,s=t.length;n<=s;n++){var a=t[n],o=e[n+i];a&&o&&a.index===o.index&&a.fragment.sn===o.fragment.sn?r(a,o):i--}}function h(t,e,r){for(var i=e.skippedSegments,n=Math.max(t.startSN,e.startSN)-e.startSN,s=(t.fragmentHint?1:0)+(i?e.endSN:Math.min(t.endSN,e.endSN))-e.startSN,a=e.startSN-t.startSN,o=e.fragmentHint?e.fragments.concat(e.fragmentHint):e.fragments,l=t.fragmentHint?t.fragments.concat(t.fragmentHint):t.fragments,u=n;u<=s;u++){var c=l[a+u],d=o[u];i&&!d&&u<i&&(d=e.fragments[u]=c),c&&d&&r(c,d)}}function f(t,e){var r=e.startSN+e.skippedSegments-t.startSN,i=t.fragments;r<0||r>=i.length||g(e,i[r].start)}function g(t,e){if(e){for(var r=t.fragments,i=t.skippedSegments;i<r.length;i++)r[i].start+=e;t.fragmentHint&&(t.fragmentHint.start+=e)}}function v(t,e){var r,i=1e3*t.levelTargetDuration,n=i/2,s=t.age,a=s>0&&s<3*i,o=e.loading.end-e.loading.start,l=t.availabilityDelay;if(!1===t.updated)if(a){var u=333*t.misses;r=Math.max(Math.min(n,2*o),u),t.availabilityDelay=(t.availabilityDelay||0)+r}else r=n;else a?(l=Math.min(l||i/2,s),t.availabilityDelay=l,r=l+i-s):r=i-o;return Math.round(r)}function p(t,e,r){if(!t||!t.details)return null;var i=t.details,n=i.fragments[e-i.startSN];return n||(n=i.fragmentHint,n&&n.sn===e?n:e<i.startSN&&r&&r.sn===e?r:null)}function m(t,e,r){if(!t||!t.details)return null;var i=t.details.partList;if(i)for(var n=i.length;n--;){var s=i[n];if(s.index===r&&s.fragment.sn===e)return s}return null}},"./src/controller/stream-controller.ts":
    90. 

  90. /*!*********************************************!*\
    91. 

  91.   !*** ./src/controller/stream-controller.ts ***!
    92. 

  92.   \*********************************************/
    93. 

  93. /*! exports provided: default */function(t,e,r){"use strict";r.r(e),r.d(e,"default",(function(){return S}));var i=r(/*! ./src/polyfills/number */"./src/polyfills/number.ts"),n=r(/*! ./base-stream-controller */"./src/controller/base-stream-controller.ts"),s=r(/*! ../is-supported */"./src/is-supported.ts"),a=r(/*! ../events */"./src/events.ts"),o=r(/*! ../utils/buffer-helper */"./src/utils/buffer-helper.ts"),l=r(/*! ./fragment-tracker */"./src/controller/fragment-tracker.ts"),u=r(/*! ../types/loader */"./src/types/loader.ts"),c=r(/*! ../loader/fragment */"./src/loader/fragment.ts"),d=r(/*! ../demux/transmuxer-interface */"./src/demux/transmuxer-interface.ts"),h=r(/*! ../types/transmuxer */"./src/types/transmuxer.ts"),f=r(/*! ./gap-controller */"./src/controller/gap-controller.ts"),g=r(/*! ../errors */"./src/errors.ts"),v=r(/*! ../utils/logger */"./src/utils/logger.ts");function p(t,e){for(var r=0;r<e.length;r++){var i=e[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}function m(t,e,r){return e&&p(t.prototype,e),r&&p(t,r),t}function y(t,e){t.prototype=Object.create(e.prototype),t.prototype.constructor=t,E(t,e)}function E(t,e){return E=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t},E(t,e)}var T=100,S=function(t){function e(e,r){var i;return i=t.call(this,e,r,"[stream-controller]")||this,i.audioCodecSwap=!1,i.gapController=null,i.level=-1,i._forceStartLoad=!1,i.altAudio=!1,i.audioOnly=!1,i.fragPlaying=null,i.onvplaying=null,i.onvseeked=null,i.fragLastKbps=0,i.stalled=!1,i.couldBacktrack=!1,i.audioCodecSwitch=!1,i.videoBuffer=null,i._registerListeners(),i}y(e,t);var r=e.prototype;return r._registerListeners=function(){var t=this.hls;t.on(a["Events"].MEDIA_ATTACHED,this.onMediaAttached,this),t.on(a["Events"].MEDIA_DETACHING,this.onMediaDetaching,this),t.on(a["Events"].MANIFEST_LOADING,this.onManifestLoading,this),t.on(a["Events"].MANIFEST_PARSED,this.onManifestParsed,this),t.on(a["Events"].LEVEL_LOADING,this.onLevelLoading,this),t.on(a["Events"].LEVEL_LOADED,this.onLevelLoaded,this),t.on(a["Events"].FRAG_LOAD_EMERGENCY_ABORTED,this.onFragLoadEmergencyAborted,this),t.on(a["Events"].ERROR,this.onError,this),t.on(a["Events"].AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),t.on(a["Events"].AUDIO_TRACK_SWITCHED,this.onAudioTrackSwitched,this),t.on(a["Events"].BUFFER_CREATED,this.onBufferCreated,this),t.on(a["Events"].BUFFER_FLUSHED,this.onBufferFlushed,this),t.on(a["Events"].LEVELS_UPDATED,this.onLevelsUpdated,this),t.on(a["Events"].FRAG_BUFFERED,this.onFragBuffered,this)},r._unregisterListeners=function(){var t=this.hls;t.off(a["Events"].MEDIA_ATTACHED,this.onMediaAttached,this),t.off(a["Events"].MEDIA_DETACHING,this.onMediaDetaching,this),t.off(a["Events"].MANIFEST_LOADING,this.onManifestLoading,this),t.off(a["Events"].MANIFEST_PARSED,this.onManifestParsed,this),t.off(a["Events"].LEVEL_LOADED,this.onLevelLoaded,this),t.off(a["Events"].FRAG_LOAD_EMERGENCY_ABORTED,this.onFragLoadEmergencyAborted,this),t.off(a["Events"].ERROR,this.onError,this),t.off(a["Events"].AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),t.off(a["Events"].AUDIO_TRACK_SWITCHED,this.onAudioTrackSwitched,this),t.off(a["Events"].BUFFER_CREATED,this.onBufferCreated,this),t.off(a["Events"].BUFFER_FLUSHED,this.onBufferFlushed,this),t.off(a["Events"].LEVELS_UPDATED,this.onLevelsUpdated,this),t.off(a["Events"].FRAG_BUFFERED,this.onFragBuffered,this)},r.onHandlerDestroying=function(){this._unregisterListeners(),this.onMediaDetaching()},r.startLoad=function(t){if(this.levels){var e=this.lastCurrentTime,r=this.hls;if(this.stopLoad(),this.setInterval(T),this.level=-1,this.fragLoadError=0,!this.startFragRequested){var i=r.startLevel;-1===i&&(r.config.testBandwidth?(i=0,this.bitrateTest=!0):i=r.nextAutoLevel),this.level=r.nextLoadLevel=i,this.loadedmetadata=!1}e>0&&-1===t&&(this.log("Override startPosition with lastCurrentTime @"+e.toFixed(3)),t=e),this.state=n["State"].IDLE,this.nextLoadPosition=this.startPosition=this.lastCurrentTime=t,this.tick()}else this._forceStartLoad=!0,this.state=n["State"].STOPPED},r.stopLoad=function(){this._forceStartLoad=!1,t.prototype.stopLoad.call(this)},r.doTick=function(){switch(this.state){case n["State"].IDLE:this.doTickIdle();break;case n["State"].WAITING_LEVEL:var t,e=this.levels,r=this.level,i=null===e||void 0===e||null===(t=e[r])||void 0===t?void 0:t.details;if(i&&(!i.live||this.levelLastLoaded===this.level)){if(this.waitForCdnTuneIn(i))break;this.state=n["State"].IDLE;break}break;case n["State"].FRAG_LOADING_WAITING_RETRY:var s,a=self.performance.now(),o=this.retryDate;(!o||a>=o||null!==(s=this.media)&&void 0!==s&&s.seeking)&&(this.log("retryDate reached, switch back to IDLE state"),this.state=n["State"].IDLE);break;default:break}this.onTickEnd()},r.onTickEnd=function(){t.prototype.onTickEnd.call(this),this.checkBuffer(),this.checkFragmentChanged()},r.doTickIdle=function(){var t,e,r=this.hls,i=this.levelLastLoaded,s=this.levels,o=this.media,d=r.config,h=r.nextLoadLevel;if(null!==i&&(o||!this.startFragRequested&&d.startFragPrefetch)&&(!this.altAudio||!this.audioOnly)&&s&&s[h]){var f=s[h];this.level=r.nextLoadLevel=h;var g=f.details;if(!g||this.state===n["State"].WAITING_LEVEL||g.live&&this.levelLastLoaded!==h)this.state=n["State"].WAITING_LEVEL;else{var v=this.getFwdBufferInfo(this.mediaBuffer?this.mediaBuffer:o,u["PlaylistLevelType"].MAIN);if(null!==v){var p=v.len,m=this.getMaxBufferLength(f.maxBitrate);if(!(p>=m)){if(this._streamEnded(v,g)){var y={};return this.altAudio&&(y.type="video"),this.hls.trigger(a["Events"].BUFFER_EOS,y),void(this.state=n["State"].ENDED)}var E=v.end,T=this.getNextFragment(E,g);if(this.couldBacktrack&&!this.fragPrevious&&T&&"initSegment"!==T.sn){var S=T.sn-g.startSN;S>1&&(T=g.fragments[S-1],this.fragmentTracker.removeFragment(T))}if(T&&this.fragmentTracker.getState(T)===l["FragmentState"].OK&&this.nextLoadPosition>E){var b=this.audioOnly&&!this.altAudio?c["ElementaryStreamTypes"].AUDIO:c["ElementaryStreamTypes"].VIDEO;this.afterBufferFlushed(o,b,u["PlaylistLevelType"].MAIN),T=this.getNextFragment(this.nextLoadPosition,g)}T&&(!T.initSegment||T.initSegment.data||this.bitrateTest||(T=T.initSegment),"identity"!==(null===(t=T.decryptdata)||void 0===t?void 0:t.keyFormat)||null!==(e=T.decryptdata)&&void 0!==e&&e.key?this.loadFragment(T,g,E):this.loadKey(T,g))}}}}},r.loadFragment=function(e,r,i){var n,s=this.fragmentTracker.getState(e);if(this.fragCurrent=e,s===l["FragmentState"].BACKTRACKED){var a=this.fragmentTracker.getBacktrackData(e);if(a)return this._handleFragmentLoadProgress(a),void this._handleFragmentLoadComplete(a);s=l["FragmentState"].NOT_LOADED}s===l["FragmentState"].NOT_LOADED||s===l["FragmentState"].PARTIAL?"initSegment"===e.sn?this._loadInitSegment(e):this.bitrateTest?(e.bitrateTest=!0,this.log("Fragment "+e.sn+" of level "+e.level+" is being downloaded to test bitrate and will not be buffered"),this._loadBitrateTestFrag(e)):(this.startFragRequested=!0,t.prototype.loadFragment.call(this,e,r,i)):s===l["FragmentState"].APPENDING?this.reduceMaxBufferLength(e.duration)&&this.fragmentTracker.removeFragment(e):0===(null===(n=this.media)||void 0===n?void 0:n.buffered.length)&&this.fragmentTracker.removeAllFragments()},r.getAppendedFrag=function(t){var e=this.fragmentTracker.getAppendedFrag(t,u["PlaylistLevelType"].MAIN);return e&&"fragment"in e?e.fragment:e},r.getBufferedFrag=function(t){return this.fragmentTracker.getBufferedFrag(t,u["PlaylistLevelType"].MAIN)},r.followingBufferedFrag=function(t){return t?this.getBufferedFrag(t.end+.5):null},r.immediateLevelSwitch=function(){this.abortCurrentFrag(),this.flushMainBuffer(0,Number.POSITIVE_INFINITY)},r.nextLevelSwitch=function(){var t=this.levels,e=this.media;if(null!==e&&void 0!==e&&e.readyState){var r,i=this.getAppendedFrag(e.currentTime);if(i&&i.start>1&&this.flushMainBuffer(0,i.start-1),!e.paused&&t){var n=this.hls.nextLoadLevel,s=t[n],a=this.fragLastKbps;r=a&&this.fragCurrent?this.fragCurrent.duration*s.maxBitrate/(1e3*a)+1:0}else r=0;var o=this.getBufferedFrag(e.currentTime+r);if(o){var l=this.followingBufferedFrag(o);if(l){this.abortCurrentFrag();var u=l.maxStartPTS?l.maxStartPTS:l.start,c=l.duration,d=Math.max(o.end,u+Math.min(Math.max(c-this.config.maxFragLookUpTolerance,.5*c),.75*c));this.flushMainBuffer(d,Number.POSITIVE_INFINITY)}}}},r.abortCurrentFrag=function(){var t=this.fragCurrent;this.fragCurrent=null,null!==t&&void 0!==t&&t.loader&&t.loader.abort(),this.state===n["State"].KEY_LOADING&&(this.state=n["State"].IDLE),this.nextLoadPosition=this.getLoadPosition()},r.flushMainBuffer=function(e,r){t.prototype.flushMainBuffer.call(this,e,r,this.altAudio?"video":null)},r.onMediaAttached=function(e,r){t.prototype.onMediaAttached.call(this,e,r);var i=r.media;this.onvplaying=this.onMediaPlaying.bind(this),this.onvseeked=this.onMediaSeeked.bind(this),i.addEventListener("playing",this.onvplaying),i.addEventListener("seeked",this.onvseeked),this.gapController=new f["default"](this.config,i,this.fragmentTracker,this.hls)},r.onMediaDetaching=function(){var e=this.media;e&&(e.removeEventListener("playing",this.onvplaying),e.removeEventListener("seeked",this.onvseeked),this.onvplaying=this.onvseeked=null,this.videoBuffer=null),this.fragPlaying=null,this.gapController&&(this.gapController.destroy(),this.gapController=null),t.prototype.onMediaDetaching.call(this)},r.onMediaPlaying=function(){this.tick()},r.onMediaSeeked=function(){var t=this.media,e=t?t.currentTime:null;Object(i["isFiniteNumber"])(e)&&this.log("Media seeked to "+e.toFixed(3)),this.tick()},r.onManifestLoading=function(){this.log("Trigger BUFFER_RESET"),this.hls.trigger(a["Events"].BUFFER_RESET,void 0),this.fragmentTracker.removeAllFragments(),this.couldBacktrack=this.stalled=!1,this.startPosition=this.lastCurrentTime=0,this.fragPlaying=null},r.onManifestParsed=function(t,e){var r,i=!1,n=!1;e.levels.forEach((function(t){r=t.audioCodec,r&&(-1!==r.indexOf("mp4a.40.2")&&(i=!0),-1!==r.indexOf("mp4a.40.5")&&(n=!0))})),this.audioCodecSwitch=i&&n&&!Object(s["changeTypeSupported"])(),this.audioCodecSwitch&&this.log("Both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC"),this.levels=e.levels,this.startFragRequested=!1},r.onLevelLoading=function(t,e){var r=this.levels;if(r&&this.state===n["State"].IDLE){var i=r[e.level];(!i.details||i.details.live&&this.levelLastLoaded!==e.level||this.waitForCdnTuneIn(i.details))&&(this.state=n["State"].WAITING_LEVEL)}},r.onLevelLoaded=function(t,e){var r,i=this.levels,s=e.level,o=e.details,l=o.totalduration;if(i){this.log("Level "+s+" loaded ["+o.startSN+","+o.endSN+"], cc ["+o.startCC+", "+o.endCC+"] duration:"+l);var u=this.fragCurrent;!u||this.state!==n["State"].FRAG_LOADING&&this.state!==n["State"].FRAG_LOADING_WAITING_RETRY||u.level!==e.level&&u.loader&&(this.state=n["State"].IDLE,u.loader.abort());var c=i[s],d=0;if(o.live||null!==(r=c.details)&&void 0!==r&&r.live){if(o.fragments[0]||(o.deltaUpdateFailed=!0),o.deltaUpdateFailed)return;d=this.alignPlaylists(o,c.details)}if(c.details=o,this.levelLastLoaded=s,this.hls.trigger(a["Events"].LEVEL_UPDATED,{details:o,level:s}),this.state===n["State"].WAITING_LEVEL){if(this.waitForCdnTuneIn(o))return;this.state=n["State"].IDLE}this.startFragRequested?o.live&&this.synchronizeToLiveEdge(o):this.setStartPosition(o,d),this.tick()}else this.warn("Levels were reset while loading level "+s)},r._handleFragmentLoadProgress=function(t){var e,r=t.frag,i=t.part,n=t.payload,s=this.levels;if(s){var a=s[r.level],o=a.details;if(o){var l=a.videoCodec,c=o.PTSKnown||!o.live,f=null===(e=r.initSegment)||void 0===e?void 0:e.data,g=this._getAudioCodec(a),v=this.transmuxer=this.transmuxer||new d["default"](this.hls,u["PlaylistLevelType"].MAIN,this._handleTransmuxComplete.bind(this),this._handleTransmuxerFlush.bind(this)),p=i?i.index:-1,m=-1!==p,y=new h["ChunkMetadata"](r.level,r.sn,r.stats.chunkCount,n.byteLength,p,m),E=this.initPTS[r.cc];v.push(n,f,g,l,r,i,o.totalduration,c,y,E)}else this.warn("Dropping fragment "+r.sn+" of level "+r.level+" after level details were reset")}else this.warn("Levels were reset while fragment load was in progress. Fragment "+r.sn+" of level "+r.level+" will not be buffered")},r.onAudioTrackSwitching=function(t,e){var r=this.altAudio,i=!!e.url,n=e.id;if(!i){if(this.mediaBuffer!==this.media){this.log("Switching on main audio, use media.buffered to schedule main fragment loading"),this.mediaBuffer=this.media;var s=this.fragCurrent;null!==s&&void 0!==s&&s.loader&&(this.log("Switching to main audio track, cancel main fragment load"),s.loader.abort()),this.resetTransmuxer(),this.resetLoadingState()}else this.audioOnly&&this.resetTransmuxer();var o=this.hls;r&&o.trigger(a["Events"].BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),o.trigger(a["Events"].AUDIO_TRACK_SWITCHED,{id:n})}},r.onAudioTrackSwitched=function(t,e){var r=e.id,i=!!this.hls.audioTracks[r].url;if(i){var n=this.videoBuffer;n&&this.mediaBuffer!==n&&(this.log("Switching on alternate audio, use video.buffered to schedule main fragment loading"),this.mediaBuffer=n)}this.altAudio=i,this.tick()},r.onBufferCreated=function(t,e){var r,i,n=e.tracks,s=!1;for(var a in n){var o=n[a];if("main"===o.id){if(i=a,r=o,"video"===a){var l=n[a];l&&(this.videoBuffer=l.buffer)}}else s=!0}s&&r?(this.log("Alternate track found, use "+i+".buffered to schedule main fragment loading"),this.mediaBuffer=r.buffer):this.mediaBuffer=this.media},r.onFragBuffered=function(t,e){var r=e.frag,i=e.part;if(!r||r.type===u["PlaylistLevelType"].MAIN){if(this.fragContextChanged(r))return this.warn("Fragment "+r.sn+(i?" p: "+i.index:"")+" of level "+r.level+" finished buffering, but was aborted. state: "+this.state),void(this.state===n["State"].PARSED&&(this.state=n["State"].IDLE));var s=i?i.stats:r.stats;this.fragLastKbps=Math.round(8*s.total/(s.buffering.end-s.loading.first)),"initSegment"!==r.sn&&(this.fragPrevious=r),this.fragBufferedComplete(r,i)}},r.onError=function(t,e){switch(e.details){case g["ErrorDetails"].FRAG_LOAD_ERROR:case g["ErrorDetails"].FRAG_LOAD_TIMEOUT:case g["ErrorDetails"].KEY_LOAD_ERROR:case g["ErrorDetails"].KEY_LOAD_TIMEOUT:this.onFragmentOrKeyLoadError(u["PlaylistLevelType"].MAIN,e);break;case g["ErrorDetails"].LEVEL_LOAD_ERROR:case g["ErrorDetails"].LEVEL_LOAD_TIMEOUT:this.state!==n["State"].ERROR&&(e.fatal?(this.warn(""+e.details),this.state=n["State"].ERROR):e.levelRetry||this.state!==n["State"].WAITING_LEVEL||(this.state=n["State"].IDLE));break;case g["ErrorDetails"].BUFFER_FULL_ERROR:if("main"===e.parent&&(this.state===n["State"].PARSING||this.state===n["State"].PARSED)){var r=!0,i=this.getFwdBufferInfo(this.media,u["PlaylistLevelType"].MAIN);i&&i.len>.5&&(r=!this.reduceMaxBufferLength(i.len)),r&&(this.warn("buffer full error also media.currentTime is not buffered, flush main"),this.immediateLevelSwitch()),this.resetLoadingState()}break;default:break}},r.checkBuffer=function(){var t=this.media,e=this.gapController;if(t&&e&&t.readyState){var r=o["BufferHelper"].getBuffered(t);!this.loadedmetadata&&r.length?(this.loadedmetadata=!0,this.seekToStartPos()):e.poll(this.lastCurrentTime),this.lastCurrentTime=t.currentTime}},r.onFragLoadEmergencyAborted=function(){this.state=n["State"].IDLE,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.tickImmediate()},r.onBufferFlushed=function(t,e){var r=e.type;if(r!==c["ElementaryStreamTypes"].AUDIO||this.audioOnly&&!this.altAudio){var i=(r===c["ElementaryStreamTypes"].VIDEO?this.videoBuffer:this.mediaBuffer)||this.media;this.afterBufferFlushed(i,r,u["PlaylistLevelType"].MAIN)}},r.onLevelsUpdated=function(t,e){this.levels=e.levels},r.swapAudioCodec=function(){this.audioCodecSwap=!this.audioCodecSwap},r.seekToStartPos=function(){var t=this.media,e=t.currentTime,r=this.startPosition;if(r>=0&&e<r){if(t.seeking)return void v["logger"].log("could not seek to "+r+", already seeking at "+e);var i=o["BufferHelper"].getBuffered(t),n=i.length?i.start(0):0,s=n-r;s>0&&(s<this.config.maxBufferHole||s<this.config.maxFragLookUpTolerance)&&(v["logger"].log("adjusting start position by "+s+" to match buffer start"),r+=s,this.startPosition=r),this.log("seek to target start position "+r+" from current time "+e),t.currentTime=r}},r._getAudioCodec=function(t){var e=this.config.defaultAudioCodec||t.audioCodec;return this.audioCodecSwap&&e&&(this.log("Swapping audio codec"),e=-1!==e.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5"),e},r._loadBitrateTestFrag=function(t){var e=this;this._doFragLoad(t).then((function(r){var i=e.hls;if(r&&!i.nextLoadLevel&&!e.fragContextChanged(t)){e.fragLoadError=0,e.state=n["State"].IDLE,e.startFragRequested=!1,e.bitrateTest=!1;var s=t.stats;s.parsing.start=s.parsing.end=s.buffering.start=s.buffering.end=self.performance.now(),i.trigger(a["Events"].FRAG_LOADED,r)}}))},r._handleTransmuxComplete=function(t){var e,r="main",s=this.hls,o=t.remuxResult,l=t.chunkMeta,u=this.getCurrentContext(l);if(!u)return this.warn("The loading context changed while buffering fragment "+l.sn+" of level "+l.level+". This chunk will not be buffered."),void this.resetLiveStartWhenNotLoaded(l.level);var d=u.frag,h=u.part,f=u.level,g=o.video,v=o.text,p=o.id3,m=o.initSegment,y=this.altAudio?void 0:o.audio;if(!this.fragContextChanged(d)){if(this.state=n["State"].PARSING,m){m.tracks&&(this._bufferInitSegment(f,m.tracks,d,l),s.trigger(a["Events"].FRAG_PARSING_INIT_SEGMENT,{frag:d,id:r,tracks:m.tracks}));var E=m.initPTS,T=m.timescale;Object(i["isFiniteNumber"])(E)&&(this.initPTS[d.cc]=E,s.trigger(a["Events"].INIT_PTS_FOUND,{frag:d,id:r,initPTS:E,timescale:T}))}if(g&&!1!==o.independent){if(f.details){var S=g.startPTS,b=g.endPTS,L=g.startDTS,A=g.endDTS;if(h)h.elementaryStreams[g.type]={startPTS:S,endPTS:b,startDTS:L,endDTS:A};else if(g.firstKeyFrame&&g.independent&&(this.couldBacktrack=!0),g.dropped&&g.independent){var D=this.getLoadPosition()+this.config.maxBufferHole;if(D<S)return void this.backtrack(d);d.setElementaryStreamInfo(g.type,d.start,b,d.start,A,!0)}d.setElementaryStreamInfo(g.type,S,b,L,A),this.bufferFragmentData(g,d,h,l)}}else if(!1===o.independent)return void this.backtrack(d);if(y){var k=y.startPTS,R=y.endPTS,I=y.startDTS,_=y.endDTS;h&&(h.elementaryStreams[c["ElementaryStreamTypes"].AUDIO]={startPTS:k,endPTS:R,startDTS:I,endDTS:_}),d.setElementaryStreamInfo(c["ElementaryStreamTypes"].AUDIO,k,R,I,_),this.bufferFragmentData(y,d,h,l)}if(null!==p&&void 0!==p&&null!==(e=p.samples)&&void 0!==e&&e.length){var C={frag:d,id:r,samples:p.samples};s.trigger(a["Events"].FRAG_PARSING_METADATA,C)}if(v){var O={frag:d,id:r,samples:v.samples};s.trigger(a["Events"].FRAG_PARSING_USERDATA,O)}}},r._bufferInitSegment=function(t,e,r,i){var s=this;if(this.state===n["State"].PARSING){this.audioOnly=!!e.audio&&!e.video,this.altAudio&&!this.audioOnly&&delete e.audio;var o=e.audio,l=e.video,u=e.audiovideo;if(o){var c=t.audioCodec,d=navigator.userAgent.toLowerCase();this.audioCodecSwitch&&(c&&(c=-1!==c.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5"),1!==o.metadata.channelCount&&-1===d.indexOf("firefox")&&(c="mp4a.40.5")),-1!==d.indexOf("android")&&"audio/mpeg"!==o.container&&(c="mp4a.40.2",this.log("Android: force audio codec to "+c)),t.audioCodec&&t.audioCodec!==c&&this.log('Swapping manifest audio codec "'+t.audioCodec+'" for "'+c+'"'),o.levelCodec=c,o.id="main",this.log("Init audio buffer, container:"+o.container+", codecs[selected/level/parsed]=["+(c||"")+"/"+(t.audioCodec||"")+"/"+o.codec+"]")}l&&(l.levelCodec=t.videoCodec,l.id="main",this.log("Init video buffer, container:"+l.container+", codecs[level/parsed]=["+(t.videoCodec||"")+"/"+l.codec+"]")),u&&this.log("Init audiovideo buffer, container:"+u.container+", codecs[level/parsed]=["+(t.attrs.CODECS||"")+"/"+u.codec+"]"),this.hls.trigger(a["Events"].BUFFER_CODECS,e),Object.keys(e).forEach((function(t){var n=e[t],o=n.initSegment;null!==o&&void 0!==o&&o.byteLength&&s.hls.trigger(a["Events"].BUFFER_APPENDING,{type:t,data:o,frag:r,part:null,chunkMeta:i,parent:r.type})})),this.tick()}},r.backtrack=function(t){this.couldBacktrack=!0,this.resetTransmuxer(),this.flushBufferGap(t);var e=this.fragmentTracker.backtrack(t);this.fragPrevious=null,this.nextLoadPosition=t.start,e?this.resetFragmentLoading(t):this.state=n["State"].BACKTRACKING},r.checkFragmentChanged=function(){var t=this.media,e=null;if(t&&t.readyState>1&&!1===t.seeking){var r=t.currentTime;if(o["BufferHelper"].isBuffered(t,r)?e=this.getAppendedFrag(r):o["BufferHelper"].isBuffered(t,r+.1)&&(e=this.getAppendedFrag(r+.1)),e){var i=this.fragPlaying,n=e.level;i&&e.sn===i.sn&&i.level===n&&e.urlId===i.urlId||(this.hls.trigger(a["Events"].FRAG_CHANGED,{frag:e}),i&&i.level===n||this.hls.trigger(a["Events"].LEVEL_SWITCHED,{level:n}),this.fragPlaying=e)}}},m(e,[{key:"nextLevel",get:function(){var t=this.nextBufferedFrag;return t?t.level:-1}},{key:"currentLevel",get:function(){var t=this.media;if(t){var e=this.getAppendedFrag(t.currentTime);if(e)return e.level}return-1}},{key:"nextBufferedFrag",get:function(){var t=this.media;if(t){var e=this.getAppendedFrag(t.currentTime);return this.followingBufferedFrag(e)}return null}},{key:"forceStartLoad",get:function(){return this._forceStartLoad}}]),e}(n["default"])},"./src/controller/subtitle-stream-controller.ts":
    94. 

  94. /*!******************************************************!*\
    95. 

  95.   !*** ./src/controller/subtitle-stream-controller.ts ***!
    96. 

  96.   \******************************************************/
    97. 

  97. /*! exports provided: SubtitleStreamController */function(t,e,r){"use strict";r.r(e),r.d(e,"SubtitleStreamController",(function(){return y}));var i=r(/*! ../events */"./src/events.ts"),n=r(/*! ../utils/logger */"./src/utils/logger.ts"),s=r(/*! ../utils/buffer-helper */"./src/utils/buffer-helper.ts"),a=r(/*! ./fragment-finders */"./src/controller/fragment-finders.ts"),o=r(/*! ../utils/discontinuities */"./src/utils/discontinuities.ts"),l=r(/*! ./level-helper */"./src/controller/level-helper.ts"),u=r(/*! ./fragment-tracker */"./src/controller/fragment-tracker.ts"),c=r(/*! ./base-stream-controller */"./src/controller/base-stream-controller.ts"),d=r(/*! ../types/loader */"./src/types/loader.ts"),h=r(/*! ../types/level */"./src/types/level.ts");function f(t,e){for(var r=0;r<e.length;r++){var i=e[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}function g(t,e,r){return e&&f(t.prototype,e),r&&f(t,r),t}function v(t,e){t.prototype=Object.create(e.prototype),t.prototype.constructor=t,p(t,e)}function p(t,e){return p=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t},p(t,e)}var m=500,y=function(t){function e(e,r){var i;return i=t.call(this,e,r,"[subtitle-stream-controller]")||this,i.levels=[],i.currentTrackId=-1,i.tracksBuffered=[],i.mainDetails=null,i._registerListeners(),i}v(e,t);var r=e.prototype;return r.onHandlerDestroying=function(){this._unregisterListeners(),this.mainDetails=null},r._registerListeners=function(){var t=this.hls;t.on(i["Events"].MEDIA_ATTACHED,this.onMediaAttached,this),t.on(i["Events"].MEDIA_DETACHING,this.onMediaDetaching,this),t.on(i["Events"].MANIFEST_LOADING,this.onManifestLoading,this),t.on(i["Events"].LEVEL_LOADED,this.onLevelLoaded,this),t.on(i["Events"].ERROR,this.onError,this),t.on(i["Events"].SUBTITLE_TRACKS_UPDATED,this.onSubtitleTracksUpdated,this),t.on(i["Events"].SUBTITLE_TRACK_SWITCH,this.onSubtitleTrackSwitch,this),t.on(i["Events"].SUBTITLE_TRACK_LOADED,this.onSubtitleTrackLoaded,this),t.on(i["Events"].SUBTITLE_FRAG_PROCESSED,this.onSubtitleFragProcessed,this),t.on(i["Events"].BUFFER_FLUSHING,this.onBufferFlushing,this)},r._unregisterListeners=function(){var t=this.hls;t.off(i["Events"].MEDIA_ATTACHED,this.onMediaAttached,this),t.off(i["Events"].MEDIA_DETACHING,this.onMediaDetaching,this),t.off(i["Events"].MANIFEST_LOADING,this.onManifestLoading,this),t.off(i["Events"].LEVEL_LOADED,this.onLevelLoaded,this),t.off(i["Events"].ERROR,this.onError,this),t.off(i["Events"].SUBTITLE_TRACKS_UPDATED,this.onSubtitleTracksUpdated,this),t.off(i["Events"].SUBTITLE_TRACK_SWITCH,this.onSubtitleTrackSwitch,this),t.off(i["Events"].SUBTITLE_TRACK_LOADED,this.onSubtitleTrackLoaded,this),t.off(i["Events"].SUBTITLE_FRAG_PROCESSED,this.onSubtitleFragProcessed,this),t.off(i["Events"].BUFFER_FLUSHING,this.onBufferFlushing,this)},r.startLoad=function(){this.stopLoad(),this.state=c["State"].IDLE,this.setInterval(m),this.tick()},r.onManifestLoading=function(){this.mainDetails=null,this.fragmentTracker.removeAllFragments()},r.onLevelLoaded=function(t,e){this.mainDetails=e.details},r.onSubtitleFragProcessed=function(t,e){var r=e.frag,i=e.success;if(this.fragPrevious=r,this.state=c["State"].IDLE,i){var n=this.tracksBuffered[this.currentTrackId];if(n){for(var s,a=r.start,o=0;o<n.length;o++)if(a>=n[o].start&&a<=n[o].end){s=n[o];break}var l=r.start+r.duration;s?s.end=l:(s={start:a,end:l},n.push(s)),this.fragmentTracker.fragBuffered(r)}}},r.onBufferFlushing=function(t,e){var r=e.startOffset,i=e.endOffset;if(0===r&&i!==Number.POSITIVE_INFINITY){var n=this.currentTrackId,s=this.levels;if(!s.length||!s[n]||!s[n].details)return;var a=s[n].details,o=a.targetduration,l=i-o;if(l<=0)return;e.endOffsetSubtitles=Math.max(0,l),this.tracksBuffered.forEach((function(t){for(var e=0;e<t.length;)if(t[e].end<=l)t.shift();else{if(!(t[e].start<l))break;t[e].start=l,e++}})),this.fragmentTracker.removeFragmentsInRange(r,l,d["PlaylistLevelType"].SUBTITLE)}},r.onError=function(t,e){var r,i=e.frag;i&&i.type===d["PlaylistLevelType"].SUBTITLE&&(null!==(r=this.fragCurrent)&&void 0!==r&&r.loader&&this.fragCurrent.loader.abort(),this.state=c["State"].IDLE)},r.onSubtitleTracksUpdated=function(t,e){var r=this,i=e.subtitleTracks;this.tracksBuffered=[],this.levels=i.map((function(t){return new h["Level"](t)})),this.fragmentTracker.removeAllFragments(),this.fragPrevious=null,this.levels.forEach((function(t){r.tracksBuffered[t.id]=[]})),this.mediaBuffer=null},r.onSubtitleTrackSwitch=function(t,e){if(this.currentTrackId=e.id,this.levels.length&&-1!==this.currentTrackId){var r=this.levels[this.currentTrackId];null!==r&&void 0!==r&&r.details?this.mediaBuffer=this.mediaBufferTimeRanges:this.mediaBuffer=null,r&&this.setInterval(m)}else this.clearInterval()},r.onSubtitleTrackLoaded=function(t,e){var r,i=e.details,n=e.id,s=this.currentTrackId,u=this.levels;if(u.length){var d=u[s];if(!(n>=u.length||n!==s)&&d){if(this.mediaBuffer=this.mediaBufferTimeRanges,i.live||null!==(r=d.details)&&void 0!==r&&r.live){var h=this.mainDetails;if(i.deltaUpdateFailed||!h)return;var f=h.fragments[0];if(d.details){var g=this.alignPlaylists(i,d.details);0===g&&f&&Object(l["addSliding"])(i,f.start)}else i.hasProgramDateTime&&h.hasProgramDateTime?Object(o["alignMediaPlaylistByPDT"])(i,h):f&&Object(l["addSliding"])(i,f.start)}if(d.details=i,this.levelLastLoaded=n,this.tick(),i.live&&!this.fragCurrent&&this.media&&this.state===c["State"].IDLE){var v=Object(a["findFragmentByPTS"])(null,i.fragments,this.media.currentTime,0);v||(this.warn("Subtitle playlist not aligned with playback"),d.details=void 0)}}}},r._handleFragmentLoadComplete=function(t){var e=t.frag,r=t.payload,n=e.decryptdata,s=this.hls;if(!this.fragContextChanged(e)&&r&&r.byteLength>0&&n&&n.key&&n.iv&&"AES-128"===n.method){var a=performance.now();this.decrypter.webCryptoDecrypt(new Uint8Array(r),n.key.buffer,n.iv.buffer).then((function(t){var r=performance.now();s.trigger(i["Events"].FRAG_DECRYPTED,{frag:e,payload:t,stats:{tstart:a,tdecrypt:r}})}))}},r.doTick=function(){if(this.media){if(this.state===c["State"].IDLE){var t,e=this.currentTrackId,r=this.levels;if(!r.length||!r[e]||!r[e].details)return;var o=r[e].details,l=o.targetduration,d=this.config,h=this.media,f=s["BufferHelper"].bufferedInfo(this.mediaBufferTimeRanges,h.currentTime-l,d.maxBufferHole),g=f.end,v=f.len,p=this.getMaxBufferLength()+l;if(v>p)return;console.assert(o,"Subtitle track details are defined on idle subtitle stream controller tick");var m,y=o.fragments,E=y.length,T=o.edge,S=this.fragPrevious;if(g<T){var b=d.maxFragLookUpTolerance;m=Object(a["findFragmentByPTS"])(S,y,g,b),!m&&S&&S.start<y[0].start&&(m=y[0])}else m=y[E-1];null!==(t=m)&&void 0!==t&&t.encrypted?(n["logger"].log("Loading key for "+m.sn),this.state=c["State"].KEY_LOADING,this.hls.trigger(i["Events"].KEY_LOADING,{frag:m})):m&&this.fragmentTracker.getState(m)===u["FragmentState"].NOT_LOADED&&this.loadFragment(m,o,g)}}else this.state=c["State"].IDLE},r.loadFragment=function(e,r,i){this.fragCurrent=e,t.prototype.loadFragment.call(this,e,r,i)},g(e,[{key:"mediaBufferTimeRanges",get:function(){return this.tracksBuffered[this.currentTrackId]||[]}}]),e}(c["default"])},"./src/controller/subtitle-track-controller.ts":
    98. 

  98. /*!*****************************************************!*\
    99. 

  99.   !*** ./src/controller/subtitle-track-controller.ts ***!
    100. 

  100.   \*****************************************************/
    101. 

  101. /*! exports provided: default */function(t,e,r){"use strict";r.r(e);var i=r(/*! ../events */"./src/events.ts"),n=r(/*! ../utils/texttrack-utils */"./src/utils/texttrack-utils.ts"),s=r(/*! ./base-playlist-controller */"./src/controller/base-playlist-controller.ts"),a=r(/*! ../types/loader */"./src/types/loader.ts");function o(t,e){for(var r=0;r<e.length;r++){var i=e[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}function l(t,e,r){return e&&o(t.prototype,e),r&&o(t,r),t}function u(t,e){t.prototype=Object.create(e.prototype),t.prototype.constructor=t,c(t,e)}function c(t,e){return c=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t},c(t,e)}var d=function(t){function e(e){var r;return r=t.call(this,e,"[subtitle-track-controller]")||this,r.media=null,r.tracks=[],r.groupId=null,r.tracksInGroup=[],r.trackId=-1,r.selectDefaultTrack=!0,r.queuedDefaultTrack=-1,r.trackChangeListener=function(){return r.onTextTracksChanged()},r.asyncPollTrackChange=function(){return r.pollTrackChange(0)},r.useTextTrackPolling=!1,r.subtitlePollingInterval=-1,r.subtitleDisplay=!0,r.registerListeners(),r}u(e,t);var r=e.prototype;return r.destroy=function(){this.unregisterListeners(),this.tracks.length=0,this.tracksInGroup.length=0,this.trackChangeListener=this.asyncPollTrackChange=null,t.prototype.destroy.call(this)},r.registerListeners=function(){var t=this.hls;t.on(i["Events"].MEDIA_ATTACHED,this.onMediaAttached,this),t.on(i["Events"].MEDIA_DETACHING,this.onMediaDetaching,this),t.on(i["Events"].MANIFEST_LOADING,this.onManifestLoading,this),t.on(i["Events"].MANIFEST_PARSED,this.onManifestParsed,this),t.on(i["Events"].LEVEL_LOADING,this.onLevelLoading,this),t.on(i["Events"].LEVEL_SWITCHING,this.onLevelSwitching,this),t.on(i["Events"].SUBTITLE_TRACK_LOADED,this.onSubtitleTrackLoaded,this),t.on(i["Events"].ERROR,this.onError,this)},r.unregisterListeners=function(){var t=this.hls;t.off(i["Events"].MEDIA_ATTACHED,this.onMediaAttached,this),t.off(i["Events"].MEDIA_DETACHING,this.onMediaDetaching,this),t.off(i["Events"].MANIFEST_LOADING,this.onManifestLoading,this),t.off(i["Events"].MANIFEST_PARSED,this.onManifestParsed,this),t.off(i["Events"].LEVEL_LOADING,this.onLevelLoading,this),t.off(i["Events"].LEVEL_SWITCHING,this.onLevelSwitching,this),t.off(i["Events"].SUBTITLE_TRACK_LOADED,this.onSubtitleTrackLoaded,this),t.off(i["Events"].ERROR,this.onError,this)},r.onMediaAttached=function(t,e){this.media=e.media,this.media&&(this.queuedDefaultTrack>-1&&(this.subtitleTrack=this.queuedDefaultTrack,this.queuedDefaultTrack=-1),this.useTextTrackPolling=!(this.media.textTracks&&"onchange"in this.media.textTracks),this.useTextTrackPolling?this.pollTrackChange(500):this.media.textTracks.addEventListener("change",this.asyncPollTrackChange))},r.pollTrackChange=function(t){self.clearInterval(this.subtitlePollingInterval),this.subtitlePollingInterval=self.setInterval(this.trackChangeListener,t)},r.onMediaDetaching=function(){if(this.media){self.clearInterval(this.subtitlePollingInterval),this.useTextTrackPolling||this.media.textTracks.removeEventListener("change",this.asyncPollTrackChange),this.trackId>-1&&(this.queuedDefaultTrack=this.trackId);var t=h(this.media.textTracks);t.forEach((function(t){Object(n["clearCurrentCues"])(t)})),this.subtitleTrack=-1,this.media=null}},r.onManifestLoading=function(){this.tracks=[],this.groupId=null,this.tracksInGroup=[],this.trackId=-1,this.selectDefaultTrack=!0},r.onManifestParsed=function(t,e){this.tracks=e.subtitleTracks},r.onSubtitleTrackLoaded=function(t,e){var r=e.id,i=e.details,n=this.trackId,s=this.tracksInGroup[n];if(s){var a=s.details;s.details=e.details,this.log("subtitle track "+r+" loaded ["+i.startSN+"-"+i.endSN+"]"),r===this.trackId&&(this.retryCount=0,this.playlistLoaded(r,e,a))}else this.warn("Invalid subtitle track id "+r)},r.onLevelLoading=function(t,e){this.switchLevel(e.level)},r.onLevelSwitching=function(t,e){this.switchLevel(e.level)},r.switchLevel=function(t){var e=this.hls.levels[t];if(null!==e&&void 0!==e&&e.textGroupIds){var r=e.textGroupIds[e.urlId];if(this.groupId!==r){var n=this.tracksInGroup?this.tracksInGroup[this.trackId]:void 0,s=this.tracks.filter((function(t){return!r||t.groupId===r}));this.tracksInGroup=s;var a=this.findTrackId(null===n||void 0===n?void 0:n.name)||this.findTrackId();this.groupId=r;var o={subtitleTracks:s};this.log("Updating subtitle tracks, "+s.length+' track(s) found in "'+r+'" group-id'),this.hls.trigger(i["Events"].SUBTITLE_TRACKS_UPDATED,o),-1!==a&&this.setSubtitleTrack(a,n)}}},r.findTrackId=function(t){for(var e=this.tracksInGroup,r=0;r<e.length;r++){var i=e[r];if((!this.selectDefaultTrack||i.default)&&(!t||t===i.name))return i.id}return-1},r.onError=function(e,r){t.prototype.onError.call(this,e,r),!r.fatal&&r.context&&r.context.type===a["PlaylistContextType"].SUBTITLE_TRACK&&r.context.id===this.trackId&&r.context.groupId===this.groupId&&this.retryLoadingOrFail(r)},r.loadPlaylist=function(t){var e=this.tracksInGroup[this.trackId];if(this.shouldLoadTrack(e)){var r=e.id,n=e.groupId,s=e.url;if(t)try{s=t.addDirectives(s)}catch(a){this.warn("Could not construct new URL with HLS Delivery Directives: "+a)}this.log("Loading subtitle playlist for id "+r),this.hls.trigger(i["Events"].SUBTITLE_TRACK_LOADING,{url:s,id:r,groupId:n,deliveryDirectives:t||null})}},r.toggleTrackModes=function(t){var e=this,r=this.media,i=this.subtitleDisplay,n=this.trackId;if(r){var s=h(r.textTracks),a=s.filter((function(t){return t.groupId===e.groupId}));if(-1===t)[].slice.call(s).forEach((function(t){t.mode="disabled"}));else{var o=a[n];o&&(o.mode="disabled")}var l=a[t];l&&(l.mode=i?"showing":"hidden")}},r.setSubtitleTrack=function(t,e){var r,n=this.tracksInGroup;if(this.media){if(this.trackId!==t&&this.toggleTrackModes(t),!(this.trackId===t&&(-1===t||null!==(r=n[t])&&void 0!==r&&r.details)||t<-1||t>=n.length)){this.clearTimer();var s=n[t];if(this.log("Switching to subtitle track "+t),this.trackId=t,s){var a=s.id,o=s.groupId,l=void 0===o?"":o,u=s.name,c=s.type,d=s.url;this.hls.trigger(i["Events"].SUBTITLE_TRACK_SWITCH,{id:a,groupId:l,name:u,type:c,url:d});var h=this.switchParams(s.url,null===e||void 0===e?void 0:e.details);this.loadPlaylist(h)}else this.hls.trigger(i["Events"].SUBTITLE_TRACK_SWITCH,{id:t})}}else this.queuedDefaultTrack=t},r.onTextTracksChanged=function(){if(this.useTextTrackPolling||self.clearInterval(this.subtitlePollingInterval),this.media&&this.hls.config.renderTextTracksNatively){for(var t=-1,e=h(this.media.textTracks),r=0;r<e.length;r++)if("hidden"===e[r].mode)t=r;else if("showing"===e[r].mode){t=r;break}this.subtitleTrack!==t&&(this.subtitleTrack=t)}},l(e,[{key:"subtitleTracks",get:function(){return this.tracksInGroup}},{key:"subtitleTrack",get:function(){return this.trackId},set:function(t){this.selectDefaultTrack=!1;var e=this.tracksInGroup?this.tracksInGroup[this.trackId]:void 0;this.setSubtitleTrack(t,e)}}]),e}(s["default"]);function h(t){for(var e=[],r=0;r<t.length;r++){var i=t[r];"subtitles"===i.kind&&i.label&&e.push(t[r])}return e}e["default"]=d},"./src/controller/timeline-controller.ts":
    102. 

  102. /*!***********************************************!*\
    103. 

  103.   !*** ./src/controller/timeline-controller.ts ***!
    104. 

  104.   \***********************************************/
    105. 

  105. /*! exports provided: TimelineController */function(t,e,r){"use strict";r.r(e),r.d(e,"TimelineController",(function(){return h}));var i=r(/*! ./src/polyfills/number */"./src/polyfills/number.ts"),n=r(/*! ../events */"./src/events.ts"),s=r(/*! ../utils/cea-608-parser */"./src/utils/cea-608-parser.ts"),a=r(/*! ../utils/output-filter */"./src/utils/output-filter.ts"),o=r(/*! ../utils/webvtt-parser */"./src/utils/webvtt-parser.ts"),l=r(/*! ../utils/texttrack-utils */"./src/utils/texttrack-utils.ts"),u=r(/*! ../utils/imsc1-ttml-parser */"./src/utils/imsc1-ttml-parser.ts"),c=r(/*! ../types/loader */"./src/types/loader.ts"),d=r(/*! ../utils/logger */"./src/utils/logger.ts"),h=function(){function t(t){if(this.hls=void 0,this.media=null,this.config=void 0,this.enabled=!0,this.Cues=void 0,this.textTracks=[],this.tracks=[],this.initPTS=[],this.timescale=[],this.unparsedVttFrags=[],this.captionsTracks={},this.nonNativeCaptionsTracks={},this.cea608Parser1=void 0,this.cea608Parser2=void 0,this.lastSn=-1,this.lastPartIndex=-1,this.prevCC=-1,this.vttCCs=v(),this.captionsProperties=void 0,this.hls=t,this.config=t.config,this.Cues=t.config.cueHandler,this.captionsProperties={textTrack1:{label:this.config.captionsTextTrack1Label,languageCode:this.config.captionsTextTrack1LanguageCode},textTrack2:{label:this.config.captionsTextTrack2Label,languageCode:this.config.captionsTextTrack2LanguageCode},textTrack3:{label:this.config.captionsTextTrack3Label,languageCode:this.config.captionsTextTrack3LanguageCode},textTrack4:{label:this.config.captionsTextTrack4Label,languageCode:this.config.captionsTextTrack4LanguageCode}},this.config.enableCEA708Captions){var e=new a["default"](this,"textTrack1"),r=new a["default"](this,"textTrack2"),i=new a["default"](this,"textTrack3"),o=new a["default"](this,"textTrack4");this.cea608Parser1=new s["default"](1,e,r),this.cea608Parser2=new s["default"](3,i,o)}t.on(n["Events"].MEDIA_ATTACHING,this.onMediaAttaching,this),t.on(n["Events"].MEDIA_DETACHING,this.onMediaDetaching,this),t.on(n["Events"].MANIFEST_LOADING,this.onManifestLoading,this),t.on(n["Events"].MANIFEST_LOADED,this.onManifestLoaded,this),t.on(n["Events"].SUBTITLE_TRACKS_UPDATED,this.onSubtitleTracksUpdated,this),t.on(n["Events"].FRAG_LOADING,this.onFragLoading,this),t.on(n["Events"].FRAG_LOADED,this.onFragLoaded,this),t.on(n["Events"].FRAG_PARSING_USERDATA,this.onFragParsingUserdata,this),t.on(n["Events"].FRAG_DECRYPTED,this.onFragDecrypted,this),t.on(n["Events"].INIT_PTS_FOUND,this.onInitPtsFound,this),t.on(n["Events"].SUBTITLE_TRACKS_CLEARED,this.onSubtitleTracksCleared,this),t.on(n["Events"].BUFFER_FLUSHING,this.onBufferFlushing,this)}var e=t.prototype;return e.destroy=function(){var t=this.hls;t.off(n["Events"].MEDIA_ATTACHING,this.onMediaAttaching,this),t.off(n["Events"].MEDIA_DETACHING,this.onMediaDetaching,this),t.off(n["Events"].MANIFEST_LOADING,this.onManifestLoading,this),t.off(n["Events"].MANIFEST_LOADED,this.onManifestLoaded,this),t.off(n["Events"].SUBTITLE_TRACKS_UPDATED,this.onSubtitleTracksUpdated,this),t.off(n["Events"].FRAG_LOADING,this.onFragLoading,this),t.off(n["Events"].FRAG_LOADED,this.onFragLoaded,this),t.off(n["Events"].FRAG_PARSING_USERDATA,this.onFragParsingUserdata,this),t.off(n["Events"].FRAG_DECRYPTED,this.onFragDecrypted,this),t.off(n["Events"].INIT_PTS_FOUND,this.onInitPtsFound,this),t.off(n["Events"].SUBTITLE_TRACKS_CLEARED,this.onSubtitleTracksCleared,this),t.off(n["Events"].BUFFER_FLUSHING,this.onBufferFlushing,this),this.hls=this.config=this.cea608Parser1=this.cea608Parser2=null},e.addCues=function(t,e,r,i,s){for(var a=!1,o=s.length;o--;){var l=s[o],u=g(l[0],l[1],e,r);if(u>=0&&(l[0]=Math.min(l[0],e),l[1]=Math.max(l[1],r),a=!0,u/(r-e)>.5))return}if(a||s.push([e,r]),this.config.renderTextTracksNatively){var c=this.captionsTracks[t];this.Cues.newCue(c,e,r,i)}else{var d=this.Cues.newCue(null,e,r,i);this.hls.trigger(n["Events"].CUES_PARSED,{type:"captions",cues:d,track:t})}},e.onInitPtsFound=function(t,e){var r=this,i=e.frag,s=e.id,a=e.initPTS,o=e.timescale,l=this.unparsedVttFrags;"main"===s&&(this.initPTS[i.cc]=a,this.timescale[i.cc]=o),l.length&&(this.unparsedVttFrags=[],l.forEach((function(t){r.onFragLoaded(n["Events"].FRAG_LOADED,t)})))},e.getExistingTrack=function(t){var e=this.media;if(e)for(var r=0;r<e.textTracks.length;r++){var i=e.textTracks[r];if(i[t])return i}return null},e.createCaptionsTrack=function(t){this.config.renderTextTracksNatively?this.createNativeTrack(t):this.createNonNativeTrack(t)},e.createNativeTrack=function(t){if(!this.captionsTracks[t]){var e=this.captionsProperties,r=this.captionsTracks,i=this.media,n=e[t],s=n.label,a=n.languageCode,o=this.getExistingTrack(t);if(o)r[t]=o,Object(l["clearCurrentCues"])(r[t]),Object(l["sendAddTrackEvent"])(r[t],i);else{var u=this.createTextTrack("captions",s,a);u&&(u[t]=!0,r[t]=u)}}},e.createNonNativeTrack=function(t){if(!this.nonNativeCaptionsTracks[t]){var e=this.captionsProperties[t];if(e){var r=e.label,i={_id:t,label:r,kind:"captions",default:!!e.media&&!!e.media.default,closedCaptions:e.media};this.nonNativeCaptionsTracks[t]=i,this.hls.trigger(n["Events"].NON_NATIVE_TEXT_TRACKS_FOUND,{tracks:[i]})}}},e.createTextTrack=function(t,e,r){var i=this.media;if(i)return i.addTextTrack(t,e,r)},e.onMediaAttaching=function(t,e){this.media=e.media,this._cleanTracks()},e.onMediaDetaching=function(){var t=this.captionsTracks;Object.keys(t).forEach((function(e){Object(l["clearCurrentCues"])(t[e]),delete t[e]})),this.nonNativeCaptionsTracks={}},e.onManifestLoading=function(){this.lastSn=-1,this.lastPartIndex=-1,this.prevCC=-1,this.vttCCs=v(),this._cleanTracks(),this.tracks=[],this.captionsTracks={},this.nonNativeCaptionsTracks={},this.textTracks=[],this.unparsedVttFrags=this.unparsedVttFrags||[],this.initPTS=[],this.timescale=[],this.cea608Parser1&&this.cea608Parser2&&(this.cea608Parser1.reset(),this.cea608Parser2.reset())},e._cleanTracks=function(){var t=this.media;if(t){var e=t.textTracks;if(e)for(var r=0;r<e.length;r++)Object(l["clearCurrentCues"])(e[r])}},e.onSubtitleTracksUpdated=function(t,e){var r=this;this.textTracks=[];var i=e.subtitleTracks||[],s=i.some((function(t){return t.textCodec===u["IMSC1_CODEC"]}));if(this.config.enableWebVTT||s&&this.config.enableIMSC1){var a=this.tracks&&i&&this.tracks.length===i.length;if(this.tracks=i||[],this.config.renderTextTracksNatively){var o=this.media?this.media.textTracks:[];this.tracks.forEach((function(t,e){var i;if(e<o.length){for(var n=null,s=0;s<o.length;s++)if(f(o[s],t)){n=o[s];break}n&&(i=n)}i?Object(l["clearCurrentCues"])(i):(i=r.createTextTrack("subtitles",t.name,t.lang),i&&(i.mode="disabled")),i&&(i.groupId=t.groupId,r.textTracks.push(i))}))}else if(!a&&this.tracks&&this.tracks.length){var c=this.tracks.map((function(t){return{label:t.name,kind:t.type.toLowerCase(),default:t.default,subtitleTrack:t}}));this.hls.trigger(n["Events"].NON_NATIVE_TEXT_TRACKS_FOUND,{tracks:c})}}},e.onManifestLoaded=function(t,e){var r=this;this.config.enableCEA708Captions&&e.captions&&e.captions.forEach((function(t){var e=/(?:CC|SERVICE)([1-4])/.exec(t.instreamId);if(e){var i="textTrack"+e[1],n=r.captionsProperties[i];n&&(n.label=t.name,t.lang&&(n.languageCode=t.lang),n.media=t)}}))},e.onFragLoading=function(t,e){var r=this.cea608Parser1,i=this.cea608Parser2,n=this.lastSn,s=this.lastPartIndex;if(this.enabled&&r&&i&&e.frag.type===c["PlaylistLevelType"].MAIN){var a,o,l=e.frag.sn,u=null!=(a=null===e||void 0===e||null===(o=e.part)||void 0===o?void 0:o.index)?a:-1;l===n+1||l===n&&u===s+1||(r.reset(),i.reset()),this.lastSn=l,this.lastPartIndex=u}},e.onFragLoaded=function(t,e){var r=e.frag,s=e.payload,a=this.initPTS,o=this.unparsedVttFrags;if(r.type===c["PlaylistLevelType"].SUBTITLE)if(s.byteLength){if(!Object(i["isFiniteNumber"])(a[r.cc]))return o.push(e),void(a.length&&this.hls.trigger(n["Events"].SUBTITLE_FRAG_PROCESSED,{success:!1,frag:r,error:new Error("Missing initial subtitle PTS")}));var l=r.decryptdata;if(null==l||null==l.key||"AES-128"!==l.method){var d=this.tracks[r.level],h=this.vttCCs;h[r.cc]||(h[r.cc]={start:r.start,prevCC:this.prevCC,new:!0},this.prevCC=r.cc),d&&d.textCodec===u["IMSC1_CODEC"]?this._parseIMSC1(r,s):this._parseVTTs(r,s,h)}}else this.hls.trigger(n["Events"].SUBTITLE_FRAG_PROCESSED,{success:!1,frag:r,error:new Error("Empty subtitle payload")})},e._parseIMSC1=function(t,e){var r=this,i=this.hls;Object(u["parseIMSC1"])(e,this.initPTS[t.cc],this.timescale[t.cc],(function(e){r._appendCues(e,t.level),i.trigger(n["Events"].SUBTITLE_FRAG_PROCESSED,{success:!0,frag:t})}),(function(e){d["logger"].log("Failed to parse IMSC1: "+e),i.trigger(n["Events"].SUBTITLE_FRAG_PROCESSED,{success:!1,frag:t,error:e})}))},e._parseVTTs=function(t,e,r){var i=this,s=this.hls;Object(o["parseWebVTT"])(e,this.initPTS[t.cc],this.timescale[t.cc],r,t.cc,t.start,(function(e){i._appendCues(e,t.level),s.trigger(n["Events"].SUBTITLE_FRAG_PROCESSED,{success:!0,frag:t})}),(function(r){i._fallbackToIMSC1(t,e),d["logger"].log("Failed to parse VTT cue: "+r),s.trigger(n["Events"].SUBTITLE_FRAG_PROCESSED,{success:!1,frag:t,error:r})}))},e._fallbackToIMSC1=function(t,e){var r=this,i=this.tracks[t.level];i.textCodec||Object(u["parseIMSC1"])(e,this.initPTS[t.cc],this.timescale[t.cc],(function(){i.textCodec=u["IMSC1_CODEC"],r._parseIMSC1(t,e)}),(function(){i.textCodec="wvtt"}))},e._appendCues=function(t,e){var r=this.hls;if(this.config.renderTextTracksNatively){var i=this.textTracks[e];if("disabled"===i.mode)return;t.forEach((function(t){return Object(l["addCueToTrack"])(i,t)}))}else{var s=this.tracks[e],a=s.default?"default":"subtitles"+e;r.trigger(n["Events"].CUES_PARSED,{type:"subtitles",cues:t,track:a})}},e.onFragDecrypted=function(t,e){var r=e.frag;if(r.type===c["PlaylistLevelType"].SUBTITLE){if(!Object(i["isFiniteNumber"])(this.initPTS[r.cc]))return void this.unparsedVttFrags.push(e);this.onFragLoaded(n["Events"].FRAG_LOADED,e)}},e.onSubtitleTracksCleared=function(){this.tracks=[],this.captionsTracks={}},e.onFragParsingUserdata=function(t,e){var r=this.cea608Parser1,i=this.cea608Parser2;if(this.enabled&&r&&i)for(var n=0;n<e.samples.length;n++){var s=e.samples[n].bytes;if(s){var a=this.extractCea608Data(s);r.addData(e.samples[n].pts,a[0]),i.addData(e.samples[n].pts,a[1])}}},e.onBufferFlushing=function(t,e){var r=e.startOffset,i=e.endOffset,n=e.endOffsetSubtitles,s=e.type,a=this.media;if(a&&!(a.currentTime<i)){if(!s||"video"===s){var o=this.captionsTracks;Object.keys(o).forEach((function(t){return Object(l["removeCuesInRange"])(o[t],r,i)}))}if(this.config.renderTextTracksNatively&&0===r&&void 0!==n){var u=this.textTracks;Object.keys(u).forEach((function(t){return Object(l["removeCuesInRange"])(u[t],r,n)}))}}},e.extractCea608Data=function(t){for(var e=31&t[0],r=2,i=[[],[]],n=0;n<e;n++){var s=t[r++],a=127&t[r++],o=127&t[r++],l=0!==(4&s),u=3&s;0===a&&0===o||l&&(0!==u&&1!==u||(i[u].push(a),i[u].push(o)))}return i},t}();function f(t,e){return t&&t.label===e.name&&!(t.textTrack1||t.textTrack2)}function g(t,e,r,i){return Math.min(e,i)-Math.max(t,r)}function v(){return{ccOffset:0,presentationOffset:0,0:{start:0,prevCC:-1,new:!1}}}},"./src/crypt/aes-crypto.ts":
    106. 

  106. /*!*********************************!*\
    107. 

  107.   !*** ./src/crypt/aes-crypto.ts ***!
    108. 

  108.   \*********************************/
    109. 

  109. /*! exports provided: default */function(t,e,r){"use strict";r.r(e),r.d(e,"default",(function(){return i}));var i=function(){function t(t,e){this.subtle=void 0,this.aesIV=void 0,this.subtle=t,this.aesIV=e}var e=t.prototype;return e.decrypt=function(t,e){return this.subtle.decrypt({name:"AES-CBC",iv:this.aesIV},e,t)},t}()},"./src/crypt/aes-decryptor.ts":
    110. 

  110. /*!************************************!*\
    111. 

  111.   !*** ./src/crypt/aes-decryptor.ts ***!
    112. 

  112.   \************************************/
    113. 

  113. /*! exports provided: removePadding, default */function(t,e,r){"use strict";r.r(e),r.d(e,"removePadding",(function(){return n})),r.d(e,"default",(function(){return s}));var i=r(/*! ../utils/typed-array */"./src/utils/typed-array.ts");function n(t){var e=t.byteLength,r=e&&new DataView(t.buffer).getUint8(e-1);return r?Object(i["sliceUint8"])(t,0,e-r):t}var s=function(){function t(){this.rcon=[0,1,2,4,8,16,32,64,128,27,54],this.subMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.invSubMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.sBox=new Uint32Array(256),this.invSBox=new Uint32Array(256),this.key=new Uint32Array(0),this.ksRows=0,this.keySize=0,this.keySchedule=void 0,this.invKeySchedule=void 0,this.initTable()}var e=t.prototype;return e.uint8ArrayToUint32Array_=function(t){for(var e=new DataView(t),r=new Uint32Array(4),i=0;i<4;i++)r[i]=e.getUint32(4*i);return r},e.initTable=function(){var t=this.sBox,e=this.invSBox,r=this.subMix,i=r[0],n=r[1],s=r[2],a=r[3],o=this.invSubMix,l=o[0],u=o[1],c=o[2],d=o[3],h=new Uint32Array(256),f=0,g=0,v=0;for(v=0;v<256;v++)h[v]=v<128?v<<1:v<<1^283;for(v=0;v<256;v++){var p=g^g<<1^g<<2^g<<3^g<<4;p=p>>>8^255&p^99,t[f]=p,e[p]=f;var m=h[f],y=h[m],E=h[y],T=257*h[p]^16843008*p;i[f]=T<<24|T>>>8,n[f]=T<<16|T>>>16,s[f]=T<<8|T>>>24,a[f]=T,T=16843009*E^65537*y^257*m^16843008*f,l[p]=T<<24|T>>>8,u[p]=T<<16|T>>>16,c[p]=T<<8|T>>>24,d[p]=T,f?(f=m^h[h[h[E^m]]],g^=h[h[g]]):f=g=1}},e.expandKey=function(t){var e=this.uint8ArrayToUint32Array_(t),r=!0,i=0;while(i<e.length&&r)r=e[i]===this.key[i],i++;if(!r){this.key=e;var n=this.keySize=e.length;if(4!==n&&6!==n&&8!==n)throw new Error("Invalid aes key size="+n);var s,a,o,l,u=this.ksRows=4*(n+6+1),c=this.keySchedule=new Uint32Array(u),d=this.invKeySchedule=new Uint32Array(u),h=this.sBox,f=this.rcon,g=this.invSubMix,v=g[0],p=g[1],m=g[2],y=g[3];for(s=0;s<u;s++)s<n?o=c[s]=e[s]:(l=o,s%n===0?(l=l<<8|l>>>24,l=h[l>>>24]<<24|h[l>>>16&255]<<16|h[l>>>8&255]<<8|h[255&l],l^=f[s/n|0]<<24):n>6&&s%n===4&&(l=h[l>>>24]<<24|h[l>>>16&255]<<16|h[l>>>8&255]<<8|h[255&l]),c[s]=o=(c[s-n]^l)>>>0);for(a=0;a<u;a++)s=u-a,l=3&a?c[s]:c[s-4],d[a]=a<4||s<=4?l:v[h[l>>>24]]^p[h[l>>>16&255]]^m[h[l>>>8&255]]^y[h[255&l]],d[a]=d[a]>>>0}},e.networkToHostOrderSwap=function(t){return t<<24|(65280&t)<<8|(16711680&t)>>8|t>>>24},e.decrypt=function(t,e,r){var i,n,s,a,o,l,u,c,d,h,f,g,v,p,m=this.keySize+6,y=this.invKeySchedule,E=this.invSBox,T=this.invSubMix,S=T[0],b=T[1],L=T[2],A=T[3],D=this.uint8ArrayToUint32Array_(r),k=D[0],R=D[1],I=D[2],_=D[3],C=new Int32Array(t),O=new Int32Array(C.length),w=this.networkToHostOrderSwap;while(e<C.length){for(d=w(C[e]),h=w(C[e+1]),f=w(C[e+2]),g=w(C[e+3]),o=d^y[0],l=g^y[1],u=f^y[2],c=h^y[3],v=4,p=1;p<m;p++)i=S[o>>>24]^b[l>>16&255]^L[u>>8&255]^A[255&c]^y[v],n=S[l>>>24]^b[u>>16&255]^L[c>>8&255]^A[255&o]^y[v+1],s=S[u>>>24]^b[c>>16&255]^L[o>>8&255]^A[255&l]^y[v+2],a=S[c>>>24]^b[o>>16&255]^L[l>>8&255]^A[255&u]^y[v+3],o=i,l=n,u=s,c=a,v+=4;i=E[o>>>24]<<24^E[l>>16&255]<<16^E[u>>8&255]<<8^E[255&c]^y[v],n=E[l>>>24]<<24^E[u>>16&255]<<16^E[c>>8&255]<<8^E[255&o]^y[v+1],s=E[u>>>24]<<24^E[c>>16&255]<<16^E[o>>8&255]<<8^E[255&l]^y[v+2],a=E[c>>>24]<<24^E[o>>16&255]<<16^E[l>>8&255]<<8^E[255&u]^y[v+3],O[e]=w(i^k),O[e+1]=w(a^R),O[e+2]=w(s^I),O[e+3]=w(n^_),k=d,R=h,I=f,_=g,e+=4}return O.buffer},t}()},"./src/crypt/decrypter.ts":
    114. 

  114. /*!********************************!*\
    115. 

  115.   !*** ./src/crypt/decrypter.ts ***!
    116. 

  116.   \********************************/
    117. 

  117. /*! exports provided: default */function(t,e,r){"use strict";r.r(e),r.d(e,"default",(function(){return c}));var i=r(/*! ./aes-crypto */"./src/crypt/aes-crypto.ts"),n=r(/*! ./fast-aes-key */"./src/crypt/fast-aes-key.ts"),s=r(/*! ./aes-decryptor */"./src/crypt/aes-decryptor.ts"),a=r(/*! ../utils/logger */"./src/utils/logger.ts"),o=r(/*! ../utils/mp4-tools */"./src/utils/mp4-tools.ts"),l=r(/*! ../utils/typed-array */"./src/utils/typed-array.ts"),u=16,c=function(){function t(t,e,r){var i=void 0===r?{}:r,n=i.removePKCS7Padding,s=void 0===n||n;if(this.logEnabled=!0,this.observer=void 0,this.config=void 0,this.removePKCS7Padding=void 0,this.subtle=null,this.softwareDecrypter=null,this.key=null,this.fastAesKey=null,this.remainderData=null,this.currentIV=null,this.currentResult=null,this.observer=t,this.config=e,this.removePKCS7Padding=s,s)try{var a=self.crypto;a&&(this.subtle=a.subtle||a.webkitSubtle)}catch(o){}null===this.subtle&&(this.config.enableSoftwareAES=!0)}var e=t.prototype;return e.destroy=function(){this.observer=null},e.isSync=function(){return this.config.enableSoftwareAES},e.flush=function(){var t=this.currentResult;if(t){var e=new Uint8Array(t);return this.reset(),this.removePKCS7Padding?Object(s["removePadding"])(e):e}this.reset()},e.reset=function(){this.currentResult=null,this.currentIV=null,this.remainderData=null,this.softwareDecrypter&&(this.softwareDecrypter=null)},e.decrypt=function(t,e,r,i){if(this.config.enableSoftwareAES){this.softwareDecrypt(new Uint8Array(t),e,r);var n=this.flush();n&&i(n.buffer)}else this.webCryptoDecrypt(new Uint8Array(t),e,r).then(i)},e.softwareDecrypt=function(t,e,r){var i=this.currentIV,n=this.currentResult,a=this.remainderData;this.logOnce("JS AES decrypt"),a&&(t=Object(o["appendUint8Array"])(a,t),this.remainderData=null);var u=this.getValidChunk(t);if(!u.length)return null;i&&(r=i);var c=this.softwareDecrypter;c||(c=this.softwareDecrypter=new s["default"]),c.expandKey(e);var d=n;return this.currentResult=c.decrypt(u.buffer,0,r),this.currentIV=Object(l["sliceUint8"])(u,-16).buffer,d||null},e.webCryptoDecrypt=function(t,e,r){var s=this,a=this.subtle;return this.key===e&&this.fastAesKey||(this.key=e,this.fastAesKey=new n["default"](a,e)),this.fastAesKey.expandKey().then((function(e){if(!a)return Promise.reject(new Error("web crypto not initialized"));var n=new i["default"](a,r);return n.decrypt(t.buffer,e)})).catch((function(i){return s.onWebCryptoError(i,t,e,r)}))},e.onWebCryptoError=function(t,e,r,i){return a["logger"].warn("[decrypter.ts]: WebCrypto Error, disable WebCrypto API:",t),this.config.enableSoftwareAES=!0,this.logEnabled=!0,this.softwareDecrypt(e,r,i)},e.getValidChunk=function(t){var e=t,r=t.length-t.length%u;return r!==t.length&&(e=Object(l["sliceUint8"])(t,0,r),this.remainderData=Object(l["sliceUint8"])(t,r)),e},e.logOnce=function(t){this.logEnabled&&(a["logger"].log("[decrypter.ts]: "+t),this.logEnabled=!1)},t}()},"./src/crypt/fast-aes-key.ts":
    118. 

  118. /*!***********************************!*\
    119. 

  119.   !*** ./src/crypt/fast-aes-key.ts ***!
    120. 

  120.   \***********************************/
    121. 

  121. /*! exports provided: default */function(t,e,r){"use strict";r.r(e),r.d(e,"default",(function(){return i}));var i=function(){function t(t,e){this.subtle=void 0,this.key=void 0,this.subtle=t,this.key=e}var e=t.prototype;return e.expandKey=function(){return this.subtle.importKey("raw",this.key,{name:"AES-CBC"},!1,["encrypt","decrypt"])},t}()},"./src/demux/aacdemuxer.ts":
    122. 

  122. /*!*********************************!*\
    123. 

  123.   !*** ./src/demux/aacdemuxer.ts ***!
    124. 

  124.   \*********************************/
    125. 

  125. /*! exports provided: default */function(t,e,r){"use strict";r.r(e);var i=r(/*! ./base-audio-demuxer */"./src/demux/base-audio-demuxer.ts"),n=r(/*! ./adts */"./src/demux/adts.ts"),s=r(/*! ../utils/logger */"./src/utils/logger.ts"),a=r(/*! ../demux/id3 */"./src/demux/id3.ts");function o(t,e){t.prototype=Object.create(e.prototype),t.prototype.constructor=t,l(t,e)}function l(t,e){return l=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t},l(t,e)}var u=function(t){function e(e,r){var i;return i=t.call(this)||this,i.observer=void 0,i.config=void 0,i.observer=e,i.config=r,i}o(e,t);var r=e.prototype;return r.resetInitSegment=function(e,r,i){t.prototype.resetInitSegment.call(this,e,r,i),this._audioTrack={container:"audio/adts",type:"audio",id:2,pid:-1,sequenceNumber:0,isAAC:!0,samples:[],manifestCodec:e,duration:i,inputTimeScale:9e4,dropped:0}},e.probe=function(t){if(!t)return!1;for(var e=a["getID3Data"](t,0)||[],r=e.length,i=t.length;r<i;r++)if(n["probe"](t,r))return s["logger"].log("ADTS sync word found !"),!0;return!1},r.canParse=function(t,e){return n["canParse"](t,e)},r.appendFrame=function(t,e,r){n["initTrackConfig"](t,this.observer,e,r,t.manifestCodec);var i=n["appendFrame"](t,e,r,this.initPTS,this.frameIndex);if(i&&0===i.missing)return i},e}(i["default"]);u.minProbeByteLength=9,e["default"]=u},"./src/demux/adts.ts":
    126. 

  126. /*!***************************!*\
    127. 

  127.   !*** ./src/demux/adts.ts ***!
    128. 

  128.   \***************************/
    129. 

  129. /*! exports provided: getAudioConfig, isHeaderPattern, getHeaderLength, getFullFrameLength, canGetFrameLength, isHeader, canParse, probe, initTrackConfig, getFrameDuration, parseFrameHeader, appendFrame */function(t,e,r){"use strict";r.r(e),r.d(e,"getAudioConfig",(function(){return a})),r.d(e,"isHeaderPattern",(function(){return o})),r.d(e,"getHeaderLength",(function(){return l})),r.d(e,"getFullFrameLength",(function(){return u})),r.d(e,"canGetFrameLength",(function(){return c})),r.d(e,"isHeader",(function(){return d})),r.d(e,"canParse",(function(){return h})),r.d(e,"probe",(function(){return f})),r.d(e,"initTrackConfig",(function(){return g})),r.d(e,"getFrameDuration",(function(){return v})),r.d(e,"parseFrameHeader",(function(){return p})),r.d(e,"appendFrame",(function(){return m}));var i=r(/*! ../utils/logger */"./src/utils/logger.ts"),n=r(/*! ../errors */"./src/errors.ts"),s=r(/*! ../events */"./src/events.ts");function a(t,e,r,a){var o,l,u,c,d=navigator.userAgent.toLowerCase(),h=a,f=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350];o=1+((192&e[r+2])>>>6);var g=(60&e[r+2])>>>2;if(!(g>f.length-1))return u=(1&e[r+2])<<2,u|=(192&e[r+3])>>>6,i["logger"].log("manifest codec:"+a+", ADTS type:"+o+", samplingIndex:"+g),/firefox/i.test(d)?g>=6?(o=5,c=new Array(4),l=g-3):(o=2,c=new Array(2),l=g):-1!==d.indexOf("android")?(o=2,c=new Array(2),l=g):(o=5,c=new Array(4),a&&(-1!==a.indexOf("mp4a.40.29")||-1!==a.indexOf("mp4a.40.5"))||!a&&g>=6?l=g-3:((a&&-1!==a.indexOf("mp4a.40.2")&&(g>=6&&1===u||/vivaldi/i.test(d))||!a&&1===u)&&(o=2,c=new Array(2)),l=g)),c[0]=o<<3,c[0]|=(14&g)>>1,c[1]|=(1&g)<<7,c[1]|=u<<3,5===o&&(c[1]|=(14&l)>>1,c[2]=(1&l)<<7,c[2]|=8,c[3]=0),{config:c,samplerate:f[g],channelCount:u,codec:"mp4a.40."+o,manifestCodec:h};t.trigger(s["Events"].ERROR,{type:n["ErrorTypes"].MEDIA_ERROR,details:n["ErrorDetails"].FRAG_PARSING_ERROR,fatal:!0,reason:"invalid ADTS sampling index:"+g})}function o(t,e){return 255===t[e]&&240===(246&t[e+1])}function l(t,e){return 1&t[e+1]?7:9}function u(t,e){return(3&t[e+3])<<11|t[e+4]<<3|(224&t[e+5])>>>5}function c(t,e){return e+5<t.length}function d(t,e){return e+1<t.length&&o(t,e)}function h(t,e){return c(t,e)&&o(t,e)&&u(t,e)<=t.length-e}function f(t,e){if(d(t,e)){var r=l(t,e);if(e+r>=t.length)return!1;var i=u(t,e);if(i<=r)return!1;var n=e+i;return n===t.length||d(t,n)}return!1}function g(t,e,r,n,s){if(!t.samplerate){var o=a(e,r,n,s);if(!o)return;t.config=o.config,t.samplerate=o.samplerate,t.channelCount=o.channelCount,t.codec=o.codec,t.manifestCodec=o.manifestCodec,i["logger"].log("parsed codec:"+t.codec+", rate:"+o.samplerate+", channels:"+o.channelCount)}}function v(t){return 9216e4/t}function p(t,e,r,i,n){var s=l(t,e),a=u(t,e);if(a-=s,a>0){var o=r+i*n;return{headerLength:s,frameLength:a,stamp:o}}}function m(t,e,r,i,n){var s=v(t.samplerate),a=p(e,r,i,n,s);if(a){var o,l=a.frameLength,u=a.headerLength,c=a.stamp,d=u+l,h=Math.max(0,r+d-e.length);h?(o=new Uint8Array(d-u),o.set(e.subarray(r+u,e.length),0)):o=e.subarray(r+u,r+d);var f={unit:o,pts:c};return h||t.samples.push(f),{sample:f,length:d,missing:h}}}},"./src/demux/base-audio-demuxer.ts":
    130. 

  130. /*!*****************************************!*\
    131. 

  131.   !*** ./src/demux/base-audio-demuxer.ts ***!
    132. 

  132.   \*****************************************/
    133. 

  133. /*! exports provided: initPTSFn, default */function(t,e,r){"use strict";r.r(e),r.d(e,"initPTSFn",(function(){return u}));var i=r(/*! ./src/polyfills/number */"./src/polyfills/number.ts"),n=r(/*! ../demux/id3 */"./src/demux/id3.ts"),s=r(/*! ./dummy-demuxed-track */"./src/demux/dummy-demuxed-track.ts"),a=r(/*! ../utils/mp4-tools */"./src/utils/mp4-tools.ts"),o=r(/*! ../utils/typed-array */"./src/utils/typed-array.ts"),l=function(){function t(){this._audioTrack=void 0,this._id3Track=void 0,this.frameIndex=0,this.cachedData=null,this.initPTS=null}var e=t.prototype;return e.resetInitSegment=function(t,e,r){this._id3Track={type:"id3",id:3,pid:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],dropped:0}},e.resetTimeStamp=function(){},e.resetContiguity=function(){},e.canParse=function(t,e){return!1},e.appendFrame=function(t,e,r){},e.demux=function(t,e){this.cachedData&&(t=Object(a["appendUint8Array"])(this.cachedData,t),this.cachedData=null);var r,i,l=n["getID3Data"](t,0),c=l?l.length:0,d=this._audioTrack,h=this._id3Track,f=l?n["getTimeStamp"](l):void 0,g=t.length;0!==this.frameIndex&&null!==this.initPTS||(this.initPTS=u(f,e)),l&&l.length>0&&h.samples.push({pts:this.initPTS,dts:this.initPTS,data:l}),i=this.initPTS;while(c<g){if(this.canParse(t,c)){var v=this.appendFrame(d,t,c);v?(this.frameIndex++,i=v.sample.pts,c+=v.length,r=c):c=g}else n["canParse"](t,c)?(l=n["getID3Data"](t,c),h.samples.push({pts:i,dts:i,data:l}),c+=l.length,r=c):c++;if(c===g&&r!==g){var p=Object(o["sliceUint8"])(t,r);this.cachedData?this.cachedData=Object(a["appendUint8Array"])(this.cachedData,p):this.cachedData=p}}return{audioTrack:d,avcTrack:Object(s["dummyTrack"])(),id3Track:h,textTrack:Object(s["dummyTrack"])()}},e.demuxSampleAes=function(t,e,r){return Promise.reject(new Error("["+this+"] This demuxer does not support Sample-AES decryption"))},e.flush=function(t){var e=this.cachedData;return e&&(this.cachedData=null,this.demux(e,0)),this.frameIndex=0,{audioTrack:this._audioTrack,avcTrack:Object(s["dummyTrack"])(),id3Track:this._id3Track,textTrack:Object(s["dummyTrack"])()}},e.destroy=function(){},t}(),u=function(t,e){return Object(i["isFiniteNumber"])(t)?90*t:9e4*e};e["default"]=l},"./src/demux/chunk-cache.ts":
    134. 

  134. /*!**********************************!*\
    135. 

  135.   !*** ./src/demux/chunk-cache.ts ***!
    136. 

  136.   \**********************************/
    137. 

  137. /*! exports provided: default */function(t,e,r){"use strict";r.r(e),r.d(e,"default",(function(){return i}));var i=function(){function t(){this.chunks=[],this.dataLength=0}var e=t.prototype;return e.push=function(t){this.chunks.push(t),this.dataLength+=t.length},e.flush=function(){var t,e=this.chunks,r=this.dataLength;return e.length?(t=1===e.length?e[0]:n(e,r),this.reset(),t):new Uint8Array(0)},e.reset=function(){this.chunks.length=0,this.dataLength=0},t}();function n(t,e){for(var r=new Uint8Array(e),i=0,n=0;n<t.length;n++){var s=t[n];r.set(s,i),i+=s.length}return r}},"./src/demux/dummy-demuxed-track.ts":
    138. 

  138. /*!******************************************!*\
    139. 

  139.   !*** ./src/demux/dummy-demuxed-track.ts ***!
    140. 

  140.   \******************************************/
    141. 

  141. /*! exports provided: dummyTrack */function(t,e,r){"use strict";function i(){return{type:"",id:-1,pid:-1,inputTimeScale:9e4,sequenceNumber:-1,samples:[],dropped:0}}r.r(e),r.d(e,"dummyTrack",(function(){return i}))},"./src/demux/exp-golomb.ts":
    142. 

  142. /*!*********************************!*\
    143. 

  143.   !*** ./src/demux/exp-golomb.ts ***!
    144. 

  144.   \*********************************/
    145. 

  145. /*! exports provided: default */function(t,e,r){"use strict";r.r(e);var i=r(/*! ../utils/logger */"./src/utils/logger.ts"),n=function(){function t(t){this.data=void 0,this.bytesAvailable=void 0,this.word=void 0,this.bitsAvailable=void 0,this.data=t,this.bytesAvailable=t.byteLength,this.word=0,this.bitsAvailable=0}var e=t.prototype;return e.loadWord=function(){var t=this.data,e=this.bytesAvailable,r=t.byteLength-e,i=new Uint8Array(4),n=Math.min(4,e);if(0===n)throw new Error("no bytes available");i.set(t.subarray(r,r+n)),this.word=new DataView(i.buffer).getUint32(0),this.bitsAvailable=8*n,this.bytesAvailable-=n},e.skipBits=function(t){var e;this.bitsAvailable>t?(this.word<<=t,this.bitsAvailable-=t):(t-=this.bitsAvailable,e=t>>3,t-=e>>3,this.bytesAvailable-=e,this.loadWord(),this.word<<=t,this.bitsAvailable-=t)},e.readBits=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&&this.bitsAvailable?r<<e|this.readBits(e):r},e.skipLZ=function(){var t;for(t=0;t<this.bitsAvailable;++t)if(0!==(this.word&2147483648>>>t))return this.word<<=t,this.bitsAvailable-=t,t;return this.loadWord(),t+this.skipLZ()},e.skipUEG=function(){this.skipBits(1+this.skipLZ())},e.skipEG=function(){this.skipBits(1+this.skipLZ())},e.readUEG=function(){var t=this.skipLZ();return this.readBits(t+1)-1},e.readEG=function(){var t=this.readUEG();return 1&t?1+t>>>1:-1*(t>>>1)},e.readBoolean=function(){return 1===this.readBits(1)},e.readUByte=function(){return this.readBits(8)},e.readUShort=function(){return this.readBits(16)},e.readUInt=function(){return this.readBits(32)},e.skipScalingList=function(t){for(var e,r=8,i=8,n=0;n<t;n++)0!==i&&(e=this.readEG(),i=(r+e+256)%256),r=0===i?r:i},e.readSPS=function(){var t,e,r,i=0,n=0,s=0,a=0,o=this.readUByte.bind(this),l=this.readBits.bind(this),u=this.readUEG.bind(this),c=this.readBoolean.bind(this),d=this.skipBits.bind(this),h=this.skipEG.bind(this),f=this.skipUEG.bind(this),g=this.skipScalingList.bind(this);o();var v=o();if(l(5),d(3),o(),f(),100===v||110===v||122===v||244===v||44===v||83===v||86===v||118===v||128===v){var p=u();if(3===p&&d(1),f(),f(),d(1),c())for(e=3!==p?8:12,r=0;r<e;r++)c()&&g(r<6?16:64)}f();var m=u();if(0===m)u();else if(1===m)for(d(1),h(),h(),t=u(),r=0;r<t;r++)h();f(),d(1);var y=u(),E=u(),T=l(1);0===T&&d(1),d(1),c()&&(i=u(),n=u(),s=u(),a=u());var S=[1,1];if(c()&&c()){var b=o();switch(b){case 1:S=[1,1];break;case 2:S=[12,11];break;case 3:S=[10,11];break;case 4:S=[16,11];break;case 5:S=[40,33];break;case 6:S=[24,11];break;case 7:S=[20,11];break;case 8:S=[32,11];break;case 9:S=[80,33];break;case 10:S=[18,11];break;case 11:S=[15,11];break;case 12:S=[64,33];break;case 13:S=[160,99];break;case 14:S=[4,3];break;case 15:S=[3,2];break;case 16:S=[2,1];break;case 255:S=[o()<<8|o(),o()<<8|o()];break}}return{width:Math.ceil(16*(y+1)-2*i-2*n),height:(2-T)*(E+1)*16-(T?2:4)*(s+a),pixelRatio:S}},e.readSliceType=function(){return this.readUByte(),this.readUEG(),this.readUEG()},t}();e["default"]=n},"./src/demux/id3.ts":
    146. 

  146. /*!**************************!*\
    147. 

  147.   !*** ./src/demux/id3.ts ***!
    148. 

  148.   \**************************/
    149. 

  149. /*! exports provided: isHeader, isFooter, getID3Data, canParse, getTimeStamp, isTimeStampFrame, getID3Frames, decodeFrame, utf8ArrayToStr, testables */function(t,e,r){"use strict";r.r(e),r.d(e,"isHeader",(function(){return n})),r.d(e,"isFooter",(function(){return s})),r.d(e,"getID3Data",(function(){return a})),r.d(e,"canParse",(function(){return l})),r.d(e,"getTimeStamp",(function(){return u})),r.d(e,"isTimeStampFrame",(function(){return c})),r.d(e,"getID3Frames",(function(){return h})),r.d(e,"decodeFrame",(function(){return f})),r.d(e,"utf8ArrayToStr",(function(){return y})),r.d(e,"testables",(function(){return E}));var i,n=function(t,e){return e+10<=t.length&&73===t[e]&&68===t[e+1]&&51===t[e+2]&&t[e+3]<255&&t[e+4]<255&&t[e+6]<128&&t[e+7]<128&&t[e+8]<128&&t[e+9]<128},s=function(t,e){return e+10<=t.length&&51===t[e]&&68===t[e+1]&&73===t[e+2]&&t[e+3]<255&&t[e+4]<255&&t[e+6]<128&&t[e+7]<128&&t[e+8]<128&&t[e+9]<128},a=function(t,e){var r=e,i=0;while(n(t,e)){i+=10;var a=o(t,e+6);i+=a,s(t,e+10)&&(i+=10),e+=i}if(i>0)return t.subarray(r,r+i)},o=function(t,e){var r=0;return r=(127&t[e])<<21,r|=(127&t[e+1])<<14,r|=(127&t[e+2])<<7,r|=127&t[e+3],r},l=function(t,e){return n(t,e)&&o(t,e+6)+10<=t.length-e},u=function(t){for(var e=h(t),r=0;r<e.length;r++){var i=e[r];if(c(i))return m(i)}},c=function(t){return t&&"PRIV"===t.key&&"com.apple.streaming.transportStreamTimestamp"===t.info},d=function(t){var e=String.fromCharCode(t[0],t[1],t[2],t[3]),r=o(t,4),i=10;return{type:e,size:r,data:t.subarray(i,i+r)}},h=function(t){var e=0,r=[];while(n(t,e)){var i=o(t,e+6);e+=10;var a=e+i;while(e+8<a){var l=d(t.subarray(e)),u=f(l);u&&r.push(u),e+=l.size+10}s(t,e)&&(e+=10)}return r},f=function(t){return"PRIV"===t.type?g(t):"W"===t.type[0]?p(t):v(t)},g=function(t){if(!(t.size<2)){var e=y(t.data,!0),r=new Uint8Array(t.data.subarray(e.length+1));return{key:t.type,info:e,data:r.buffer}}},v=function(t){if(!(t.size<2)){if("TXXX"===t.type){var e=1,r=y(t.data.subarray(e),!0);e+=r.length+1;var i=y(t.data.subarray(e));return{key:t.type,info:r,data:i}}var n=y(t.data.subarray(1));return{key:t.type,data:n}}},p=function(t){if("WXXX"===t.type){if(t.size<2)return;var e=1,r=y(t.data.subarray(e),!0);e+=r.length+1;var i=y(t.data.subarray(e));return{key:t.type,info:r,data:i}}var n=y(t.data);return{key:t.type,data:n}},m=function(t){if(8===t.data.byteLength){var e=new Uint8Array(t.data),r=1&e[3],i=(e[4]<<23)+(e[5]<<15)+(e[6]<<7)+e[7];return i/=45,r&&(i+=47721858.84),Math.round(i)}},y=function(t,e){void 0===e&&(e=!1);var r=T();if(r){var i=r.decode(t);if(e){var n=i.indexOf("\0");return-1!==n?i.substring(0,n):i}return i.replace(/\0/g,"")}var s,a,o,l=t.length,u="",c=0;while(c<l){if(s=t[c++],0===s&&e)return u;if(0!==s&&3!==s)switch(s>>4){case 0:case 1:case 2:case 3:case 4:case 5:case 6:case 7:u+=String.fromCharCode(s);break;case 12:case 13:a=t[c++],u+=String.fromCharCode((31&s)<<6|63&a);break;case 14:a=t[c++],o=t[c++],u+=String.fromCharCode((15&s)<<12|(63&a)<<6|(63&o)<<0);break;default:}}return u},E={decodeTextFrame:v};function T(){return i||"undefined"===typeof self.TextDecoder||(i=new self.TextDecoder("utf-8")),i}},"./src/demux/mp3demuxer.ts":
    150. 

  150. /*!*********************************!*\
    151. 

  151.   !*** ./src/demux/mp3demuxer.ts ***!
    152. 

  152.   \*********************************/
    153. 

  153. /*! exports provided: default */function(t,e,r){"use strict";r.r(e);var i=r(/*! ./base-audio-demuxer */"./src/demux/base-audio-demuxer.ts"),n=r(/*! ../demux/id3 */"./src/demux/id3.ts"),s=r(/*! ../utils/logger */"./src/utils/logger.ts"),a=r(/*! ./mpegaudio */"./src/demux/mpegaudio.ts");function o(t,e){t.prototype=Object.create(e.prototype),t.prototype.constructor=t,l(t,e)}function l(t,e){return l=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t},l(t,e)}var u=function(t){function e(){return t.apply(this,arguments)||this}o(e,t);var r=e.prototype;return r.resetInitSegment=function(e,r,i){t.prototype.resetInitSegment.call(this,e,r,i),this._audioTrack={container:"audio/mpeg",type:"audio",id:2,pid:-1,sequenceNumber:0,isAAC:!1,samples:[],manifestCodec:e,duration:i,inputTimeScale:9e4,dropped:0}},e.probe=function(t){if(!t)return!1;for(var e=n["getID3Data"](t,0)||[],r=e.length,i=t.length;r<i;r++)if(a["probe"](t,r))return s["logger"].log("MPEG Audio sync word found !"),!0;return!1},r.canParse=function(t,e){return a["canParse"](t,e)},r.appendFrame=function(t,e,r){if(null!==this.initPTS)return a["appendFrame"](t,e,r,this.initPTS,this.frameIndex)},e}(i["default"]);u.minProbeByteLength=4,e["default"]=u},"./src/demux/mp4demuxer.ts":
    154. 

  154. /*!*********************************!*\
    155. 

  155.   !*** ./src/demux/mp4demuxer.ts ***!
    156. 

  156.   \*********************************/
    157. 

  157. /*! exports provided: default */function(t,e,r){"use strict";r.r(e);var i=r(/*! ../utils/mp4-tools */"./src/utils/mp4-tools.ts"),n=r(/*! ./dummy-demuxed-track */"./src/demux/dummy-demuxed-track.ts"),s=function(){function t(t,e){this.remainderData=null,this.config=void 0,this.config=e}var e=t.prototype;return e.resetTimeStamp=function(){},e.resetInitSegment=function(){},e.resetContiguity=function(){},t.probe=function(t){return Object(i["findBox"])({data:t,start:0,end:Math.min(t.length,16384)},["moof"]).length>0},e.demux=function(t){var e=t,r=Object(n["dummyTrack"])();if(this.config.progressive){this.remainderData&&(e=Object(i["appendUint8Array"])(this.remainderData,t));var s=Object(i["segmentValidRange"])(e);this.remainderData=s.remainder,r.samples=s.valid||new Uint8Array}else r.samples=e;return{audioTrack:Object(n["dummyTrack"])(),avcTrack:r,id3Track:Object(n["dummyTrack"])(),textTrack:Object(n["dummyTrack"])()}},e.flush=function(){var t=Object(n["dummyTrack"])();return t.samples=this.remainderData||new Uint8Array,this.remainderData=null,{audioTrack:Object(n["dummyTrack"])(),avcTrack:t,id3Track:Object(n["dummyTrack"])(),textTrack:Object(n["dummyTrack"])()}},e.demuxSampleAes=function(t,e,r){return Promise.reject(new Error("The MP4 demuxer does not support SAMPLE-AES decryption"))},e.destroy=function(){},t}();s.minProbeByteLength=1024,e["default"]=s},"./src/demux/mpegaudio.ts":
    158. 

  158. /*!********************************!*\
    159. 

  159.   !*** ./src/demux/mpegaudio.ts ***!
    160. 

  160.   \********************************/
    161. 

  161. /*! exports provided: appendFrame, parseHeader, isHeaderPattern, isHeader, canParse, probe */function(t,e,r){"use strict";r.r(e),r.d(e,"appendFrame",(function(){return l})),r.d(e,"parseHeader",(function(){return u})),r.d(e,"isHeaderPattern",(function(){return c})),r.d(e,"isHeader",(function(){return d})),r.d(e,"canParse",(function(){return h})),r.d(e,"probe",(function(){return f}));var i=null,n=[32,64,96,128,160,192,224,256,288,320,352,384,416,448,32,48,56,64,80,96,112,128,160,192,224,256,320,384,32,40,48,56,64,80,96,112,128,160,192,224,256,320,32,48,56,64,80,96,112,128,144,160,176,192,224,256,8,16,24,32,40,48,56,64,80,96,112,128,144,160],s=[44100,48e3,32e3,22050,24e3,16e3,11025,12e3,8e3],a=[[0,72,144,12],[0,0,0,0],[0,72,144,12],[0,144,144,12]],o=[0,1,1,4];function l(t,e,r,i,n){if(!(r+24>e.length)){var s=u(e,r);if(s&&r+s.frameLength<=e.length){var a=9e4*s.samplesPerFrame/s.sampleRate,o=i+n*a,l={unit:e.subarray(r,r+s.frameLength),pts:o,dts:o};return t.config=[],t.channelCount=s.channelCount,t.samplerate=s.sampleRate,t.samples.push(l),{sample:l,length:s.frameLength,missing:0}}}}function u(t,e){var r=t[e+1]>>3&3,l=t[e+1]>>1&3,u=t[e+2]>>4&15,c=t[e+2]>>2&3;if(1!==r&&0!==u&&15!==u&&3!==c){var d=t[e+2]>>1&1,h=t[e+3]>>6,f=3===r?3-l:3===l?3:4,g=1e3*n[14*f+u-1],v=3===r?0:2===r?1:2,p=s[3*v+c],m=3===h?1:2,y=a[r][l],E=o[l],T=8*y*E,S=Math.floor(y*g/p+d)*E;if(null===i){var b=navigator.userAgent||"",L=b.match(/Chrome\/(\d+)/i);i=L?parseInt(L[1]):0}var A=!!i&&i<=87;return A&&2===l&&g>=224e3&&0===h&&(t[e+3]=128|t[e+3]),{sampleRate:p,channelCount:m,frameLength:S,samplesPerFrame:T}}}function c(t,e){return 255===t[e]&&224===(224&t[e+1])&&0!==(6&t[e+1])}function d(t,e){return e+1<t.length&&c(t,e)}function h(t,e){var r=4;return c(t,e)&&r<=t.length-e}function f(t,e){if(e+1<t.length&&c(t,e)){var r=4,i=u(t,e),n=r;null!==i&&void 0!==i&&i.frameLength&&(n=i.frameLength);var s=e+n;return s===t.length||d(t,s)}return!1}},"./src/demux/sample-aes.ts":
    162. 

  162. /*!*********************************!*\
    163. 

  163.   !*** ./src/demux/sample-aes.ts ***!
    164. 

  164.   \*********************************/
    165. 

  165. /*! exports provided: default */function(t,e,r){"use strict";r.r(e);var i=r(/*! ../crypt/decrypter */"./src/crypt/decrypter.ts"),n=r(/*! ./tsdemuxer */"./src/demux/tsdemuxer.ts"),s=function(){function t(t,e,r){this.keyData=void 0,this.decrypter=void 0,this.keyData=r,this.decrypter=new i["default"](t,e,{removePKCS7Padding:!1})}var e=t.prototype;return e.decryptBuffer=function(t,e){this.decrypter.decrypt(t,this.keyData.key.buffer,this.keyData.iv.buffer,e)},e.decryptAacSample=function(t,e,r,i){var n=t[e].unit,s=n.subarray(16,n.length-n.length%16),a=s.buffer.slice(s.byteOffset,s.byteOffset+s.length),o=this;this.decryptBuffer(a,(function(s){var a=new Uint8Array(s);n.set(a,16),i||o.decryptAacSamples(t,e+1,r)}))},e.decryptAacSamples=function(t,e,r){for(;;e++){if(e>=t.length)return void r();if(!(t[e].unit.length<32)){var i=this.decrypter.isSync();if(this.decryptAacSample(t,e,r,i),!i)return}}},e.getAvcEncryptedData=function(t){for(var e=16*Math.floor((t.length-48)/160)+16,r=new Int8Array(e),i=0,n=32;n<t.length-16;n+=160,i+=16)r.set(t.subarray(n,n+16),i);return r},e.getAvcDecryptedUnit=function(t,e){for(var r=new Uint8Array(e),i=0,n=32;n<t.length-16;n+=160,i+=16)t.set(r.subarray(i,i+16),n);return t},e.decryptAvcSample=function(t,e,r,i,s,a){var o=Object(n["discardEPB"])(s.data),l=this.getAvcEncryptedData(o),u=this;this.decryptBuffer(l.buffer,(function(n){s.data=u.getAvcDecryptedUnit(o,n),a||u.decryptAvcSamples(t,e,r+1,i)}))},e.decryptAvcSamples=function(t,e,r,i){if(t instanceof Uint8Array)throw new Error("Cannot decrypt samples of type Uint8Array");for(;;e++,r=0){if(e>=t.length)return void i();for(var n=t[e].units;;r++){if(r>=n.length)break;var s=n[r];if(!(s.data.length<=48||1!==s.type&&5!==s.type)){var a=this.decrypter.isSync();if(this.decryptAvcSample(t,e,r,i,s,a),!a)return}}}},t}();e["default"]=s},"./src/demux/transmuxer-interface.ts":
    166. 

  166. /*!*******************************************!*\
    167. 

  167.   !*** ./src/demux/transmuxer-interface.ts ***!
    168. 

  168.   \*******************************************/
    169. 

  169. /*! exports provided: default */function(t,e,r){"use strict";r.r(e),r.d(e,"default",(function(){return d}));var i=r(/*! webworkify-webpack */"./node_modules/webworkify-webpack/index.js"),n=r(/*! ../events */"./src/events.ts"),s=r(/*! ../demux/transmuxer */"./src/demux/transmuxer.ts"),a=r(/*! ../utils/logger */"./src/utils/logger.ts"),o=r(/*! ../errors */"./src/errors.ts"),l=r(/*! ../utils/mediasource-helper */"./src/utils/mediasource-helper.ts"),u=r(/*! eventemitter3 */"./node_modules/eventemitter3/index.js"),c=Object(l["getMediaSource"])()||{isTypeSupported:function(){return!1}},d=function(){function t(t,e,r,l){var d=this;this.hls=void 0,this.id=void 0,this.observer=void 0,this.frag=null,this.part=null,this.worker=void 0,this.onwmsg=void 0,this.transmuxer=null,this.onTransmuxComplete=void 0,this.onFlush=void 0,this.hls=t,this.id=e,this.onTransmuxComplete=r,this.onFlush=l;var h=t.config,f=function(e,r){r=r||{},r.frag=d.frag,r.id=d.id,t.trigger(e,r)};this.observer=new u["EventEmitter"],this.observer.on(n["Events"].FRAG_DECRYPTED,f),this.observer.on(n["Events"].ERROR,f);var g={mp4:c.isTypeSupported("video/mp4"),mpeg:c.isTypeSupported("audio/mpeg"),mp3:c.isTypeSupported('audio/mp4; codecs="mp3"')},v=navigator.vendor;if(h.enableWorker&&"undefined"!==typeof Worker){var p;a["logger"].log("demuxing in webworker");try{p=this.worker=i(/*! ../demux/transmuxer-worker.ts */"./src/demux/transmuxer-worker.ts"),this.onwmsg=this.onWorkerMessage.bind(this),p.addEventListener("message",this.onwmsg),p.onerror=function(e){t.trigger(n["Events"].ERROR,{type:o["ErrorTypes"].OTHER_ERROR,details:o["ErrorDetails"].INTERNAL_EXCEPTION,fatal:!0,event:"demuxerWorker",error:new Error(e.message+"  ("+e.filename+":"+e.lineno+")")})},p.postMessage({cmd:"init",typeSupported:g,vendor:v,id:e,config:JSON.stringify(h)})}catch(m){a["logger"].warn("Error in worker:",m),a["logger"].error("Error while initializing DemuxerWorker, fallback to inline"),p&&self.URL.revokeObjectURL(p.objectURL),this.transmuxer=new s["default"](this.observer,g,h,v,e),this.worker=null}}else this.transmuxer=new s["default"](this.observer,g,h,v,e)}var e=t.prototype;return e.destroy=function(){var t=this.worker;if(t)t.removeEventListener("message",this.onwmsg),t.terminate(),this.worker=null;else{var e=this.transmuxer;e&&(e.destroy(),this.transmuxer=null)}var r=this.observer;r&&r.removeAllListeners(),this.observer=null},e.push=function(t,e,r,i,n,o,l,u,c,d){var h,f,g=this;c.transmuxing.start=self.performance.now();var v=this.transmuxer,p=this.worker,m=o?o.start:n.start,y=n.decryptdata,E=this.frag,T=!(E&&n.cc===E.cc),S=!(E&&c.level===E.level),b=E?c.sn-E.sn:-1,L=this.part?c.part-this.part.index:1,A=!S&&(1===b||0===b&&1===L),D=self.performance.now();(S||b||0===n.stats.parsing.start)&&(n.stats.parsing.start=D),!o||!L&&A||(o.stats.parsing.start=D);var k=!(E&&(null===(h=n.initSegment)||void 0===h?void 0:h.url)===(null===(f=E.initSegment)||void 0===f?void 0:f.url)),R=new s["TransmuxState"](T,A,u,S,m,k);if(!A||T||k){a["logger"].log("[transmuxer-interface, "+n.type+"]: Starting new transmux session for sn: "+c.sn+" p: "+c.part+" level: "+c.level+" id: "+c.id+"\n        discontinuity: "+T+"\n        trackSwitch: "+S+"\n        contiguous: "+A+"\n        accurateTimeOffset: "+u+"\n        timeOffset: "+m+"\n        initSegmentChange: "+k);var I=new s["TransmuxConfig"](r,i,e,l,d);this.configureTransmuxer(I)}if(this.frag=n,this.part=o,p)p.postMessage({cmd:"demux",data:t,decryptdata:y,chunkMeta:c,state:R},t instanceof ArrayBuffer?[t]:[]);else if(v){var _=v.push(t,y,c,R);Object(s["isPromise"])(_)?_.then((function(t){g.handleTransmuxComplete(t)})):this.handleTransmuxComplete(_)}},e.flush=function(t){var e=this;t.transmuxing.start=self.performance.now();var r=this.transmuxer,i=this.worker;if(i)i.postMessage({cmd:"flush",chunkMeta:t});else if(r){var n=r.flush(t);Object(s["isPromise"])(n)?n.then((function(r){e.handleFlushResult(r,t)})):this.handleFlushResult(n,t)}},e.handleFlushResult=function(t,e){var r=this;t.forEach((function(t){r.handleTransmuxComplete(t)})),this.onFlush(e)},e.onWorkerMessage=function(t){var e=t.data,r=this.hls;switch(e.event){case"init":self.URL.revokeObjectURL(this.worker.objectURL);break;case"transmuxComplete":this.handleTransmuxComplete(e.data);break;case"flush":this.onFlush(e.data);break;default:e.data=e.data||{},e.data.frag=this.frag,e.data.id=this.id,r.trigger(e.event,e.data);break}},e.configureTransmuxer=function(t){var e=this.worker,r=this.transmuxer;e?e.postMessage({cmd:"configure",config:t}):r&&r.configure(t)},e.handleTransmuxComplete=function(t){t.chunkMeta.transmuxing.end=self.performance.now(),this.onTransmuxComplete(t)},t}()},"./src/demux/transmuxer-worker.ts":
    170. 

  170. /*!****************************************!*\
    171. 

  171.   !*** ./src/demux/transmuxer-worker.ts ***!
    172. 

  172.   \****************************************/
    173. 

  173. /*! exports provided: default */function(t,e,r){"use strict";r.r(e),r.d(e,"default",(function(){return o}));var i=r(/*! ../demux/transmuxer */"./src/demux/transmuxer.ts"),n=r(/*! ../events */"./src/events.ts"),s=r(/*! ../utils/logger */"./src/utils/logger.ts"),a=r(/*! eventemitter3 */"./node_modules/eventemitter3/index.js");function o(t){var e=new a["EventEmitter"],r=function(e,r){t.postMessage({event:e,data:r})};e.on(n["Events"].FRAG_DECRYPTED,r),e.on(n["Events"].ERROR,r),t.addEventListener("message",(function(n){var a=n.data;switch(a.cmd){case"init":var o=JSON.parse(a.config);t.transmuxer=new i["default"](e,a.typeSupported,o,a.vendor,a.id),Object(s["enableLogs"])(o.debug),r("init",null);break;case"configure":t.transmuxer.configure(a.config);break;case"demux":var u=t.transmuxer.push(a.data,a.decryptdata,a.chunkMeta,a.state);Object(i["isPromise"])(u)?u.then((function(e){l(t,e)})):l(t,u);break;case"flush":var d=a.chunkMeta,h=t.transmuxer.flush(d);Object(i["isPromise"])(h)?h.then((function(e){c(t,e,d)})):c(t,h,d);break;default:break}}))}function l(t,e){if(!d(e.remuxResult)){var r=[],i=e.remuxResult,n=i.audio,s=i.video;n&&u(r,n),s&&u(r,s),t.postMessage({event:"transmuxComplete",data:e},r)}}function u(t,e){e.data1&&t.push(e.data1.buffer),e.data2&&t.push(e.data2.buffer)}function c(t,e,r){e.forEach((function(e){l(t,e)})),t.postMessage({event:"flush",data:r})}function d(t){return!t.audio&&!t.video&&!t.text&&!t.id3&&!t.initSegment}},"./src/demux/transmuxer.ts":
    174. 

  174. /*!*********************************!*\
    175. 

  175.   !*** ./src/demux/transmuxer.ts ***!
    176. 

  176.   \*********************************/
    177. 

  177. /*! exports provided: default, isPromise, TransmuxConfig, TransmuxState */function(t,e,r){"use strict";r.r(e),r.d(e,"default",(function(){return y})),r.d(e,"isPromise",(function(){return S})),r.d(e,"TransmuxConfig",(function(){return b})),r.d(e,"TransmuxState",(function(){return L}));var i,n=r(/*! ../events */"./src/events.ts"),s=r(/*! ../errors */"./src/errors.ts"),a=r(/*! ../crypt/decrypter */"./src/crypt/decrypter.ts"),o=r(/*! ../demux/aacdemuxer */"./src/demux/aacdemuxer.ts"),l=r(/*! ../demux/mp4demuxer */"./src/demux/mp4demuxer.ts"),u=r(/*! ../demux/tsdemuxer */"./src/demux/tsdemuxer.ts"),c=r(/*! ../demux/mp3demuxer */"./src/demux/mp3demuxer.ts"),d=r(/*! ../remux/mp4-remuxer */"./src/remux/mp4-remuxer.ts"),h=r(/*! ../remux/passthrough-remuxer */"./src/remux/passthrough-remuxer.ts"),f=r(/*! ./chunk-cache */"./src/demux/chunk-cache.ts"),g=r(/*! ../utils/mp4-tools */"./src/utils/mp4-tools.ts"),v=r(/*! ../utils/logger */"./src/utils/logger.ts");try{i=self.performance.now.bind(self.performance)}catch(A){v["logger"].debug("Unable to use Performance API on this environment"),i=self.Date.now}var p=[{demux:u["default"],remux:d["default"]},{demux:l["default"],remux:h["default"]},{demux:o["default"],remux:d["default"]},{demux:c["default"],remux:d["default"]}],m=1024;p.forEach((function(t){var e=t.demux;m=Math.max(m,e.minProbeByteLength)}));var y=function(){function t(t,e,r,i,n){this.observer=void 0,this.typeSupported=void 0,this.config=void 0,this.vendor=void 0,this.id=void 0,this.demuxer=void 0,this.remuxer=void 0,this.decrypter=void 0,this.probe=void 0,this.decryptionPromise=null,this.transmuxConfig=void 0,this.currentTransmuxState=void 0,this.cache=new f["default"],this.observer=t,this.typeSupported=e,this.config=r,this.vendor=i,this.id=n}var e=t.prototype;return e.configure=function(t){this.transmuxConfig=t,this.decrypter&&this.decrypter.reset()},e.push=function(t,e,r,n){var s=this,a=r.transmuxing;a.executeStart=i();var o=new Uint8Array(t),l=this.cache,u=this.config,c=this.currentTransmuxState,d=this.transmuxConfig;n&&(this.currentTransmuxState=n);var h=E(o,e);if(h&&"AES-128"===h.method){var f=this.getDecrypter();if(!u.enableSoftwareAES)return this.decryptionPromise=f.webCryptoDecrypt(o,h.key.buffer,h.iv.buffer).then((function(t){var e=s.push(t,null,r);return s.decryptionPromise=null,e})),this.decryptionPromise;var v=f.softwareDecrypt(o,h.key.buffer,h.iv.buffer);if(!v)return a.executeEnd=i(),T(r);o=new Uint8Array(v)}var p=n||c,m=p.contiguous,y=p.discontinuity,S=p.trackSwitch,b=p.accurateTimeOffset,L=p.timeOffset,A=p.initSegmentChange,D=d.audioCodec,k=d.videoCodec,R=d.defaultInitPts,I=d.duration,_=d.initSegmentData;if((y||S||A)&&this.resetInitSegment(_,D,k,I),(y||A)&&this.resetInitialTimestamp(R),m||this.resetContiguity(),this.needsProbing(o,y,S)){if(l.dataLength){var C=l.flush();o=Object(g["appendUint8Array"])(C,o)}this.configureTransmuxer(o,d)}var O=this.transmux(o,h,L,b,r),w=this.currentTransmuxState;return w.contiguous=!0,w.discontinuity=!1,w.trackSwitch=!1,a.executeEnd=i(),O},e.flush=function(t){var e=this,r=t.transmuxing;r.executeStart=i();var a=this.decrypter,o=this.cache,l=this.currentTransmuxState,u=this.decryptionPromise;if(u)return u.then((function(){return e.flush(t)}));var c=[],d=l.timeOffset;if(a){var h=a.flush();h&&c.push(this.push(h,null,t))}var f=o.dataLength;o.reset();var g=this.demuxer,v=this.remuxer;if(!g||!v)return f>=m&&this.observer.emit(n["Events"].ERROR,n["Events"].ERROR,{type:s["ErrorTypes"].MEDIA_ERROR,details:s["ErrorDetails"].FRAG_PARSING_ERROR,fatal:!0,reason:"no demux matching with content found"}),r.executeEnd=i(),[T(t)];var p=g.flush(d);return S(p)?p.then((function(r){return e.flushRemux(c,r,t),c})):(this.flushRemux(c,p,t),c)},e.flushRemux=function(t,e,r){var n=e.audioTrack,s=e.avcTrack,a=e.id3Track,o=e.textTrack,l=this.currentTransmuxState,u=l.accurateTimeOffset,c=l.timeOffset;v["logger"].log("[transmuxer.ts]: Flushed fragment "+r.sn+(r.part>-1?" p: "+r.part:"")+" of level "+r.level);var d=this.remuxer.remux(n,s,a,o,c,u,!0,this.id);t.push({remuxResult:d,chunkMeta:r}),r.transmuxing.executeEnd=i()},e.resetInitialTimestamp=function(t){var e=this.demuxer,r=this.remuxer;e&&r&&(e.resetTimeStamp(t),r.resetTimeStamp(t))},e.resetContiguity=function(){var t=this.demuxer,e=this.remuxer;t&&e&&(t.resetContiguity(),e.resetNextTimestamp())},e.resetInitSegment=function(t,e,r,i){var n=this.demuxer,s=this.remuxer;n&&s&&(n.resetInitSegment(e,r,i),s.resetInitSegment(t,e,r))},e.destroy=function(){this.demuxer&&(this.demuxer.destroy(),this.demuxer=void 0),this.remuxer&&(this.remuxer.destroy(),this.remuxer=void 0)},e.transmux=function(t,e,r,i,n){var s;return s=e&&"SAMPLE-AES"===e.method?this.transmuxSampleAes(t,e,r,i,n):this.transmuxUnencrypted(t,r,i,n),s},e.transmuxUnencrypted=function(t,e,r,i){var n=this.demuxer.demux(t,e,!1,!this.config.progressive),s=n.audioTrack,a=n.avcTrack,o=n.id3Track,l=n.textTrack,u=this.remuxer.remux(s,a,o,l,e,r,!1,this.id);return{remuxResult:u,chunkMeta:i}},e.transmuxSampleAes=function(t,e,r,i,n){var s=this;return this.demuxer.demuxSampleAes(t,e,r).then((function(t){var e=s.remuxer.remux(t.audioTrack,t.avcTrack,t.id3Track,t.textTrack,r,i,!1,s.id);return{remuxResult:e,chunkMeta:n}}))},e.configureTransmuxer=function(t,e){for(var r,i=this.config,n=this.observer,s=this.typeSupported,a=this.vendor,o=e.audioCodec,u=e.defaultInitPts,c=e.duration,d=e.initSegmentData,f=e.videoCodec,g=0,m=p.length;g<m;g++)if(p[g].demux.probe(t)){r=p[g];break}r||(v["logger"].warn("Failed to find demuxer by probing frag, treating as mp4 passthrough"),r={demux:l["default"],remux:h["default"]});var y=this.demuxer,E=this.remuxer,T=r.remux,S=r.demux;E&&E instanceof T||(this.remuxer=new T(n,i,s,a)),y&&y instanceof S||(this.demuxer=new S(n,i,s),this.probe=S.probe),this.resetInitSegment(d,o,f,c),this.resetInitialTimestamp(u)},e.needsProbing=function(t,e,r){return!this.demuxer||!this.remuxer||e||r},e.getDecrypter=function(){var t=this.decrypter;return t||(t=this.decrypter=new a["default"](this.observer,this.config)),t},t}();function E(t,e){var r=null;return t.byteLength>0&&null!=e&&null!=e.key&&null!==e.iv&&null!=e.method&&(r=e),r}var T=function(t){return{remuxResult:{},chunkMeta:t}};function S(t){return"then"in t&&t.then instanceof Function}var b=function(t,e,r,i,n){this.audioCodec=void 0,this.videoCodec=void 0,this.initSegmentData=void 0,this.duration=void 0,this.defaultInitPts=void 0,this.audioCodec=t,this.videoCodec=e,this.initSegmentData=r,this.duration=i,this.defaultInitPts=n},L=function(t,e,r,i,n,s){this.discontinuity=void 0,this.contiguous=void 0,this.accurateTimeOffset=void 0,this.trackSwitch=void 0,this.timeOffset=void 0,this.initSegmentChange=void 0,this.discontinuity=t,this.contiguous=e,this.accurateTimeOffset=r,this.trackSwitch=i,this.timeOffset=n,this.initSegmentChange=s}},"./src/demux/tsdemuxer.ts":
    178. 

  178. /*!********************************!*\
    179. 

  179.   !*** ./src/demux/tsdemuxer.ts ***!
    180. 

  180.   \********************************/
    181. 

  181. /*! exports provided: discardEPB, default */function(t,e,r){"use strict";r.r(e),r.d(e,"discardEPB",(function(){return T}));var i=r(/*! ./adts */"./src/demux/adts.ts"),n=r(/*! ./mpegaudio */"./src/demux/mpegaudio.ts"),s=r(/*! ./exp-golomb */"./src/demux/exp-golomb.ts"),a=r(/*! ./id3 */"./src/demux/id3.ts"),o=r(/*! ./sample-aes */"./src/demux/sample-aes.ts"),l=r(/*! ../events */"./src/events.ts"),u=r(/*! ../utils/mp4-tools */"./src/utils/mp4-tools.ts"),c=r(/*! ../utils/logger */"./src/utils/logger.ts"),d=r(/*! ../errors */"./src/errors.ts"),h={video:1,audio:2,id3:3,text:4},f=function(){function t(t,e,r){this.observer=void 0,this.config=void 0,this.typeSupported=void 0,this.sampleAes=null,this.pmtParsed=!1,this.audioCodec=void 0,this.videoCodec=void 0,this._duration=0,this.aacLastPTS=null,this._initPTS=null,this._initDTS=null,this._pmtId=-1,this._avcTrack=void 0,this._audioTrack=void 0,this._id3Track=void 0,this._txtTrack=void 0,this.aacOverFlow=null,this.avcSample=null,this.remainderData=null,this.observer=t,this.config=e,this.typeSupported=r}t.probe=function(e){var r=t.syncOffset(e);return!(r<0)&&(r&&c["logger"].warn("MPEG2-TS detected but first sync word found @ offset "+r+", junk ahead ?"),!0)},t.syncOffset=function(t){var e=Math.min(1e3,t.length-564),r=0;while(r<e){if(71===t[r]&&71===t[r+188]&&71===t[r+376])return r;r++}return-1},t.createTrack=function(t,e){return{container:"video"===t||"audio"===t?"video/mp2t":void 0,type:t,id:h[t],pid:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],dropped:0,duration:"audio"===t?e:void 0}};var e=t.prototype;return e.resetInitSegment=function(e,r,i){this.pmtParsed=!1,this._pmtId=-1,this._avcTrack=t.createTrack("video",i),this._audioTrack=t.createTrack("audio",i),this._id3Track=t.createTrack("id3",i),this._txtTrack=t.createTrack("text",i),this._audioTrack.isAAC=!0,this.aacOverFlow=null,this.aacLastPTS=null,this.avcSample=null,this.audioCodec=e,this.videoCodec=r,this._duration=i},e.resetTimeStamp=function(){},e.resetContiguity=function(){var t=this._audioTrack,e=this._avcTrack,r=this._id3Track;t&&(t.pesData=null),e&&(e.pesData=null),r&&(r.pesData=null),this.aacOverFlow=null,this.aacLastPTS=null},e.demux=function(e,r,i,n){var s;void 0===i&&(i=!1),void 0===n&&(n=!1),i||(this.sampleAes=null);var a=this._avcTrack,o=this._audioTrack,h=this._id3Track,f=a.pid,g=a.pesData,y=o.pid,E=h.pid,T=o.pesData,S=h.pesData,b=!1,L=this.pmtParsed,A=this._pmtId,D=e.length;if(this.remainderData&&(e=Object(u["appendUint8Array"])(this.remainderData,e),D=e.length,this.remainderData=null),D<188&&!n)return this.remainderData=e,{audioTrack:o,avcTrack:a,id3Track:h,textTrack:this._txtTrack};var k=Math.max(0,t.syncOffset(e));D-=(D+k)%188,D<e.byteLength&&!n&&(this.remainderData=new Uint8Array(e.buffer,D,e.buffer.byteLength-D));for(var R=0,I=k;I<D;I+=188)if(71===e[I]){var _=!!(64&e[I+1]),C=((31&e[I+1])<<8)+e[I+2],O=(48&e[I+3])>>4,w=void 0;if(O>1){if(w=I+5+e[I+4],w===I+188)continue}else w=I+4;switch(C){case f:_&&(g&&(s=m(g))&&this.parseAVCPES(s,!1),g={data:[],size:0}),g&&(g.data.push(e.subarray(w,I+188)),g.size+=I+188-w);break;case y:_&&(T&&(s=m(T))&&(o.isAAC?this.parseAACPES(s):this.parseMPEGPES(s)),T={data:[],size:0}),T&&(T.data.push(e.subarray(w,I+188)),T.size+=I+188-w);break;case E:_&&(S&&(s=m(S))&&this.parseID3PES(s),S={data:[],size:0}),S&&(S.data.push(e.subarray(w,I+188)),S.size+=I+188-w);break;case 0:_&&(w+=e[w]+1),A=this._pmtId=v(e,w);break;case A:_&&(w+=e[w]+1);var x=p(e,w,!0===this.typeSupported.mpeg||!0===this.typeSupported.mp3,i);f=x.avc,f>0&&(a.pid=f),y=x.audio,y>0&&(o.pid=y,o.isAAC=x.isAAC),E=x.id3,E>0&&(h.pid=E),b&&!L&&(c["logger"].log("reparse from beginning"),b=!1,I=k-188),L=this.pmtParsed=!0;break;case 17:case 8191:break;default:b=!0;break}}else R++;R>0&&this.observer.emit(l["Events"].ERROR,l["Events"].ERROR,{type:d["ErrorTypes"].MEDIA_ERROR,details:d["ErrorDetails"].FRAG_PARSING_ERROR,fatal:!1,reason:"Found "+R+" TS packet/s that do not start with 0x47"}),a.pesData=g,o.pesData=T,h.pesData=S;var P={audioTrack:o,avcTrack:a,id3Track:h,textTrack:this._txtTrack};return n&&this.extractRemainingSamples(P),P},e.flush=function(){var t,e=this.remainderData;return this.remainderData=null,t=e?this.demux(e,-1,!1,!0):{audioTrack:this._audioTrack,avcTrack:this._avcTrack,textTrack:this._txtTrack,id3Track:this._id3Track},this.extractRemainingSamples(t),this.sampleAes?this.decrypt(t,this.sampleAes):t},e.extractRemainingSamples=function(t){var e,r=t.audioTrack,i=t.avcTrack,n=t.id3Track,s=i.pesData,a=r.pesData,o=n.pesData;s&&(e=m(s))?(this.parseAVCPES(e,!0),i.pesData=null):i.pesData=s,a&&(e=m(a))?(r.isAAC?this.parseAACPES(e):this.parseMPEGPES(e),r.pesData=null):(null!==a&&void 0!==a&&a.size&&c["logger"].log("last AAC PES packet truncated,might overlap between fragments"),r.pesData=a),o&&(e=m(o))?(this.parseID3PES(e),n.pesData=null):n.pesData=o},e.demuxSampleAes=function(t,e,r){var i=this.demux(t,r,!0,!this.config.progressive),n=this.sampleAes=new o["default"](this.observer,this.config,e);return this.decrypt(i,n)},e.decrypt=function(t,e){return new Promise((function(r){var i=t.audioTrack,n=t.avcTrack;i.samples&&i.isAAC?e.decryptAacSamples(i.samples,0,(function(){n.samples?e.decryptAvcSamples(n.samples,0,0,(function(){r(t)})):r(t)})):n.samples&&e.decryptAvcSamples(n.samples,0,0,(function(){r(t)}))}))},e.destroy=function(){this._initPTS=this._initDTS=null,this._duration=0},e.parseAVCPES=function(t,e){var r,i=this,n=this._avcTrack,o=this.parseAVCNALu(t.data),l=!1,u=this.avcSample,c=!1;t.data=null,u&&o.length&&!n.audFound&&(y(u,n),u=this.avcSample=g(!1,t.pts,t.dts,"")),o.forEach((function(e){switch(e.type){case 1:r=!0,u||(u=i.avcSample=g(!0,t.pts,t.dts,"")),l&&(u.debug+="NDR "),u.frame=!0;var o=e.data;if(c&&o.length>4){var d=new s["default"](o).readSliceType();2!==d&&4!==d&&7!==d&&9!==d||(u.key=!0)}break;case 5:r=!0,u||(u=i.avcSample=g(!0,t.pts,t.dts,"")),l&&(u.debug+="IDR "),u.key=!0,u.frame=!0;break;case 6:r=!0,l&&u&&(u.debug+="SEI ");var h=new s["default"](T(e.data));h.readUByte();var f=0,v=0,p=!1,m=0;while(!p&&h.bytesAvailable>1){f=0;do{m=h.readUByte(),f+=m}while(255===m);v=0;do{m=h.readUByte(),v+=m}while(255===m);if(4===f&&0!==h.bytesAvailable){p=!0;var S=h.readUByte();if(181===S){var b=h.readUShort();if(49===b){var L=h.readUInt();if(1195456820===L){var A=h.readUByte();if(3===A){for(var D=h.readUByte(),k=h.readUByte(),R=31&D,I=[D,k],_=0;_<R;_++)I.push(h.readUByte()),I.push(h.readUByte()),I.push(h.readUByte());E(i._txtTrack.samples,{type:3,pts:t.pts,bytes:I})}}}}}else if(5===f&&0!==h.bytesAvailable){if(p=!0,v>16){for(var C=[],O=0;O<16;O++)C.push(h.readUByte().toString(16)),3!==O&&5!==O&&7!==O&&9!==O||C.push("-");for(var w=v-16,x=new Uint8Array(w),P=0;P<w;P++)x[P]=h.readUByte();E(i._txtTrack.samples,{pts:t.pts,payloadType:f,uuid:C.join(""),userData:Object(a["utf8ArrayToStr"])(x),userDataBytes:x})}}else if(v<h.bytesAvailable)for(var F=0;F<v;F++)h.readUByte()}break;case 7:if(r=!0,c=!0,l&&u&&(u.debug+="SPS "),!n.sps){var M=new s["default"](e.data),N=M.readSPS();n.width=N.width,n.height=N.height,n.pixelRatio=N.pixelRatio,n.sps=[e.data],n.duration=i._duration;for(var U=e.data.subarray(1,4),B="avc1.",G=0;G<3;G++){var j=U[G].toString(16);j.length<2&&(j="0"+j),B+=j}n.codec=B}break;case 8:r=!0,l&&u&&(u.debug+="PPS "),n.pps||(n.pps=[e.data]);break;case 9:r=!1,n.audFound=!0,u&&y(u,n),u=i.avcSample=g(!1,t.pts,t.dts,l?"AUD ":"");break;case 12:r=!1;break;default:r=!1,u&&(u.debug+="unknown NAL "+e.type+" ");break}if(u&&r){var K=u.units;K.push(e)}})),e&&u&&(y(u,n),this.avcSample=null)},e.getLastNalUnit=function(){var t,e,r=this.avcSample;if(!r||0===r.units.length){var i=this._avcTrack.samples;r=i[i.length-1]}if(null!==(t=r)&&void 0!==t&&t.units){var n=r.units;e=n[n.length-1]}return e},e.parseAVCNALu=function(t){var e,r,i,n=t.byteLength,s=this._avcTrack,a=s.naluState||0,o=a,l=[],u=0,c=-1,d=0;-1===a&&(c=0,d=31&t[0],a=0,u=1);while(u<n)if(e=t[u++],a)if(1!==a)if(e)if(1===e){if(c>=0){var h={data:t.subarray(c,u-a-1),type:d};l.push(h)}else{var f=this.getLastNalUnit();if(f&&(o&&u<=4-o&&f.state&&(f.data=f.data.subarray(0,f.data.byteLength-o)),r=u-a-1,r>0)){var g=new Uint8Array(f.data.byteLength+r);g.set(f.data,0),g.set(t.subarray(0,r),f.data.byteLength),f.data=g,f.state=0}}u<n?(i=31&t[u],c=u,d=i,a=0):a=-1}else a=0;else a=3;else a=e?0:2;else a=e?0:1;if(c>=0&&a>=0){var v={data:t.subarray(c,n),type:d,state:a};l.push(v)}if(0===l.length){var p=this.getLastNalUnit();if(p){var m=new Uint8Array(p.data.byteLength+t.byteLength);m.set(p.data,0),m.set(t,p.data.byteLength),p.data=m}}return s.naluState=a,l},e.parseAACPES=function(t){var e,r,n,s,a,o=0,u=this._audioTrack,h=this.aacOverFlow,f=t.data;if(h){this.aacOverFlow=null;var g=h.sample.unit.byteLength,v=Math.min(h.missing,g),p=g-v;h.sample.unit.set(f.subarray(0,v),p),u.samples.push(h.sample),o=h.missing}for(e=o,r=f.length;e<r-1;e++)if(i["isHeader"](f,e))break;if(e!==o&&(e<r-1?(n="AAC PES did not start with ADTS header,offset:"+e,s=!1):(n="no ADTS header found in AAC PES",s=!0),c["logger"].warn("parsing error:"+n),this.observer.emit(l["Events"].ERROR,l["Events"].ERROR,{type:d["ErrorTypes"].MEDIA_ERROR,details:d["ErrorDetails"].FRAG_PARSING_ERROR,fatal:s,reason:n}),s))return;if(i["initTrackConfig"](u,this.observer,f,e,this.audioCodec),void 0!==t.pts)a=t.pts;else{if(!h)return void c["logger"].warn("[tsdemuxer]: AAC PES unknown PTS");var m=i["getFrameDuration"](u.samplerate);a=h.sample.pts+m}var y=0;while(e<r){if(i["isHeader"](f,e)){if(e+5<r){var E=i["appendFrame"](u,f,e,a,y);if(E){if(!E.missing){e+=E.length,y++;continue}this.aacOverFlow=E}}break}e++}},e.parseMPEGPES=function(t){var e=t.data,r=e.length,i=0,s=0,a=t.pts;if(void 0!==a)while(s<r)if(n["isHeader"](e,s)){var o=n["appendFrame"](this._audioTrack,e,s,a,i);if(!o)break;s+=o.length,i++}else s++;else c["logger"].warn("[tsdemuxer]: MPEG PES unknown PTS")},e.parseID3PES=function(t){void 0!==t.pts?this._id3Track.samples.push(t):c["logger"].warn("[tsdemuxer]: ID3 PES unknown PTS")},t}();function g(t,e,r,i){return{key:t,frame:!1,pts:e,dts:r,units:[],debug:i,length:0}}function v(t,e){return(31&t[e+10])<<8|t[e+11]}function p(t,e,r,i){var n={audio:-1,avc:-1,id3:-1,isAAC:!0},s=(15&t[e+1])<<8|t[e+2],a=e+3+s-4,o=(15&t[e+10])<<8|t[e+11];e+=12+o;while(e<a){var l=(31&t[e+1])<<8|t[e+2];switch(t[e]){case 207:if(!i){c["logger"].log("ADTS AAC with AES-128-CBC frame encryption found in unencrypted stream");break}case 15:-1===n.audio&&(n.audio=l);break;case 21:-1===n.id3&&(n.id3=l);break;case 219:if(!i){c["logger"].log("H.264 with AES-128-CBC slice encryption found in unencrypted stream");break}case 27:-1===n.avc&&(n.avc=l);break;case 3:case 4:r?-1===n.audio&&(n.audio=l,n.isAAC=!1):c["logger"].log("MPEG audio found, not supported in this browser");break;case 36:c["logger"].warn("Unsupported HEVC stream type found");break;default:break}e+=5+((15&t[e+3])<<8|t[e+4])}return n}function m(t){var e,r,i,n,s,a=0,o=t.data;if(!t||0===t.size)return null;while(o[0].length<19&&o.length>1){var l=new Uint8Array(o[0].length+o[1].length);l.set(o[0]),l.set(o[1],o[0].length),o[0]=l,o.splice(1,1)}e=o[0];var u=(e[0]<<16)+(e[1]<<8)+e[2];if(1===u){if(r=(e[4]<<8)+e[5],r&&r>t.size-6)return null;var d=e[7];192&d&&(n=536870912*(14&e[9])+4194304*(255&e[10])+16384*(254&e[11])+128*(255&e[12])+(254&e[13])/2,64&d?(s=536870912*(14&e[14])+4194304*(255&e[15])+16384*(254&e[16])+128*(255&e[17])+(254&e[18])/2,n-s>54e5&&(c["logger"].warn(Math.round((n-s)/9e4)+"s delta between PTS and DTS, align them"),n=s)):s=n),i=e[8];var h=i+9;if(t.size<=h)return null;t.size-=h;for(var f=new Uint8Array(t.size),g=0,v=o.length;g<v;g++){e=o[g];var p=e.byteLength;if(h){if(h>p){h-=p;continue}e=e.subarray(h),p-=h,h=0}f.set(e,a),a+=p}return r&&(r-=i+3),{data:f,pts:n,dts:s,len:r}}return null}function y(t,e){if(t.units.length&&t.frame){if(void 0===t.pts){var r=e.samples,i=r.length;if(!i)return void e.dropped++;var n=r[i-1];t.pts=n.pts,t.dts=n.dts}e.samples.push(t)}t.debug.length&&c["logger"].log(t.pts+"/"+t.dts+":"+t.debug)}function E(t,e){var r=t.length;if(r>0){if(e.pts>=t[r-1].pts)t.push(e);else for(var i=r-1;i>=0;i--)if(e.pts<t[i].pts){t.splice(i,0,e);break}}else t.push(e)}function T(t){var e=t.byteLength,r=[],i=1;while(i<e-2)0===t[i]&&0===t[i+1]&&3===t[i+2]?(r.push(i+2),i+=2):i++;if(0===r.length)return t;var n=e-r.length,s=new Uint8Array(n),a=0;for(i=0;i<n;a++,i++)a===r[0]&&(a++,r.shift()),s[i]=t[a];return s}f.minProbeByteLength=188,e["default"]=f},"./src/errors.ts":
    182. 

  182. /*!***********************!*\
    183. 

  183.   !*** ./src/errors.ts ***!
    184. 

  184.   \***********************/
    185. 

  185. /*! exports provided: ErrorTypes, ErrorDetails */function(t,e,r){"use strict";var i,n;r.r(e),r.d(e,"ErrorTypes",(function(){return i})),r.d(e,"ErrorDetails",(function(){return n})),function(t){t["NETWORK_ERROR"]="networkError",t["MEDIA_ERROR"]="mediaError",t["KEY_SYSTEM_ERROR"]="keySystemError",t["MUX_ERROR"]="muxError",t["OTHER_ERROR"]="otherError"}(i||(i={})),function(t){t["KEY_SYSTEM_NO_KEYS"]="keySystemNoKeys",t["KEY_SYSTEM_NO_ACCESS"]="keySystemNoAccess",t["KEY_SYSTEM_NO_SESSION"]="keySystemNoSession",t["KEY_SYSTEM_LICENSE_REQUEST_FAILED"]="keySystemLicenseRequestFailed",t["KEY_SYSTEM_NO_INIT_DATA"]="keySystemNoInitData",t["MANIFEST_LOAD_ERROR"]="manifestLoadError",t["MANIFEST_LOAD_TIMEOUT"]="manifestLoadTimeOut",t["MANIFEST_PARSING_ERROR"]="manifestParsingError",t["MANIFEST_INCOMPATIBLE_CODECS_ERROR"]="manifestIncompatibleCodecsError",t["LEVEL_EMPTY_ERROR"]="levelEmptyError",t["LEVEL_LOAD_ERROR"]="levelLoadError",t["LEVEL_LOAD_TIMEOUT"]="levelLoadTimeOut",t["LEVEL_SWITCH_ERROR"]="levelSwitchError",t["AUDIO_TRACK_LOAD_ERROR"]="audioTrackLoadError",t["AUDIO_TRACK_LOAD_TIMEOUT"]="audioTrackLoadTimeOut",t["SUBTITLE_LOAD_ERROR"]="subtitleTrackLoadError",t["SUBTITLE_TRACK_LOAD_TIMEOUT"]="subtitleTrackLoadTimeOut",t["FRAG_LOAD_ERROR"]="fragLoadError",t["FRAG_LOAD_TIMEOUT"]="fragLoadTimeOut",t["FRAG_DECRYPT_ERROR"]="fragDecryptError",t["FRAG_PARSING_ERROR"]="fragParsingError",t["REMUX_ALLOC_ERROR"]="remuxAllocError",t["KEY_LOAD_ERROR"]="keyLoadError",t["KEY_LOAD_TIMEOUT"]="keyLoadTimeOut",t["BUFFER_ADD_CODEC_ERROR"]="bufferAddCodecError",t["BUFFER_INCOMPATIBLE_CODECS_ERROR"]="bufferIncompatibleCodecsError",t["BUFFER_APPEND_ERROR"]="bufferAppendError",t["BUFFER_APPENDING_ERROR"]="bufferAppendingError",t["BUFFER_STALLED_ERROR"]="bufferStalledError",t["BUFFER_FULL_ERROR"]="bufferFullError",t["BUFFER_SEEK_OVER_HOLE"]="bufferSeekOverHole",t["BUFFER_NUDGE_ON_STALL"]="bufferNudgeOnStall",t["INTERNAL_EXCEPTION"]="internalException",t["INTERNAL_ABORTED"]="aborted",t["UNKNOWN"]="unknown"}(n||(n={}))},"./src/events.ts":
    186. 

  186. /*!***********************!*\
    187. 

  187.   !*** ./src/events.ts ***!
    188. 

  188.   \***********************/
    189. 

  189. /*! exports provided: Events */function(t,e,r){"use strict";var i;r.r(e),r.d(e,"Events",(function(){return i})),function(t){t["MEDIA_ATTACHING"]="hlsMediaAttaching",t["MEDIA_ATTACHED"]="hlsMediaAttached",t["MEDIA_DETACHING"]="hlsMediaDetaching",t["MEDIA_DETACHED"]="hlsMediaDetached",t["BUFFER_RESET"]="hlsBufferReset",t["BUFFER_CODECS"]="hlsBufferCodecs",t["BUFFER_CREATED"]="hlsBufferCreated",t["BUFFER_APPENDING"]="hlsBufferAppending",t["BUFFER_APPENDED"]="hlsBufferAppended",t["BUFFER_EOS"]="hlsBufferEos",t["BUFFER_FLUSHING"]="hlsBufferFlushing",t["BUFFER_FLUSHED"]="hlsBufferFlushed",t["MANIFEST_LOADING"]="hlsManifestLoading",t["MANIFEST_LOADED"]="hlsManifestLoaded",t["MANIFEST_PARSED"]="hlsManifestParsed",t["LEVEL_SWITCHING"]="hlsLevelSwitching",t["LEVEL_SWITCHED"]="hlsLevelSwitched",t["LEVEL_LOADING"]="hlsLevelLoading",t["LEVEL_LOADED"]="hlsLevelLoaded",t["LEVEL_UPDATED"]="hlsLevelUpdated",t["LEVEL_PTS_UPDATED"]="hlsLevelPtsUpdated",t["LEVELS_UPDATED"]="hlsLevelsUpdated",t["AUDIO_TRACKS_UPDATED"]="hlsAudioTracksUpdated",t["AUDIO_TRACK_SWITCHING"]="hlsAudioTrackSwitching",t["AUDIO_TRACK_SWITCHED"]="hlsAudioTrackSwitched",t["AUDIO_TRACK_LOADING"]="hlsAudioTrackLoading",t["AUDIO_TRACK_LOADED"]="hlsAudioTrackLoaded",t["SUBTITLE_TRACKS_UPDATED"]="hlsSubtitleTracksUpdated",t["SUBTITLE_TRACKS_CLEARED"]="hlsSubtitleTracksCleared",t["SUBTITLE_TRACK_SWITCH"]="hlsSubtitleTrackSwitch",t["SUBTITLE_TRACK_LOADING"]="hlsSubtitleTrackLoading",t["SUBTITLE_TRACK_LOADED"]="hlsSubtitleTrackLoaded",t["SUBTITLE_FRAG_PROCESSED"]="hlsSubtitleFragProcessed",t["CUES_PARSED"]="hlsCuesParsed",t["NON_NATIVE_TEXT_TRACKS_FOUND"]="hlsNonNativeTextTracksFound",t["INIT_PTS_FOUND"]="hlsInitPtsFound",t["FRAG_LOADING"]="hlsFragLoading",t["FRAG_LOAD_EMERGENCY_ABORTED"]="hlsFragLoadEmergencyAborted",t["FRAG_LOADED"]="hlsFragLoaded",t["FRAG_DECRYPTED"]="hlsFragDecrypted",t["FRAG_PARSING_INIT_SEGMENT"]="hlsFragParsingInitSegment",t["FRAG_PARSING_USERDATA"]="hlsFragParsingUserdata",t["FRAG_PARSING_METADATA"]="hlsFragParsingMetadata",t["FRAG_PARSED"]="hlsFragParsed",t["FRAG_BUFFERED"]="hlsFragBuffered",t["FRAG_CHANGED"]="hlsFragChanged",t["FPS_DROP"]="hlsFpsDrop",t["FPS_DROP_LEVEL_CAPPING"]="hlsFpsDropLevelCapping",t["ERROR"]="hlsError",t["DESTROYING"]="hlsDestroying",t["KEY_LOADING"]="hlsKeyLoading",t["KEY_LOADED"]="hlsKeyLoaded",t["LIVE_BACK_BUFFER_REACHED"]="hlsLiveBackBufferReached",t["BACK_BUFFER_REACHED"]="hlsBackBufferReached"}(i||(i={}))},"./src/hls.ts":
    190. 

  190. /*!********************!*\
    191. 

  191.   !*** ./src/hls.ts ***!
    192. 

  192.   \********************/
    193. 

  193. /*! exports provided: default */function(t,e,r){"use strict";r.r(e),r.d(e,"default",(function(){return E}));var i=r(/*! url-toolkit */"./node_modules/url-toolkit/src/url-toolkit.js"),n=r(/*! ./loader/playlist-loader */"./src/loader/playlist-loader.ts"),s=r(/*! ./loader/key-loader */"./src/loader/key-loader.ts"),a=r(/*! ./controller/id3-track-controller */"./src/controller/id3-track-controller.ts"),o=r(/*! ./controller/latency-controller */"./src/controller/latency-controller.ts"),l=r(/*! ./controller/level-controller */"./src/controller/level-controller.ts"),u=r(/*! ./controller/fragment-tracker */"./src/controller/fragment-tracker.ts"),c=r(/*! ./controller/stream-controller */"./src/controller/stream-controller.ts"),d=r(/*! ./is-supported */"./src/is-supported.ts"),h=r(/*! ./utils/logger */"./src/utils/logger.ts"),f=r(/*! ./config */"./src/config.ts"),g=r(/*! eventemitter3 */"./node_modules/eventemitter3/index.js"),v=r(/*! ./events */"./src/events.ts"),p=r(/*! ./errors */"./src/errors.ts");function m(t,e){for(var r=0;r<e.length;r++){var i=e[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}function y(t,e,r){return e&&m(t.prototype,e),r&&m(t,r),t}var E=function(){function t(e){void 0===e&&(e={}),this.config=void 0,this.userConfig=void 0,this.coreComponents=void 0,this.networkControllers=void 0,this._emitter=new g["EventEmitter"],this._autoLevelCapping=void 0,this.abrController=void 0,this.bufferController=void 0,this.capLevelController=void 0,this.latencyController=void 0,this.levelController=void 0,this.streamController=void 0,this.audioTrackController=void 0,this.subtitleTrackController=void 0,this.emeController=void 0,this.cmcdController=void 0,this._media=null,this.url=null;var r=this.config=Object(f["mergeConfig"])(t.DefaultConfig,e);this.userConfig=e,Object(h["enableLogs"])(r.debug),this._autoLevelCapping=-1,r.progressive&&Object(f["enableStreamingMode"])(r);var i=r.abrController,d=r.bufferController,v=r.capLevelController,p=r.fpsController,m=this.abrController=new i(this),y=this.bufferController=new d(this),E=this.capLevelController=new v(this),T=new p(this),S=new n["default"](this),b=new s["default"](this),L=new a["default"](this),A=this.levelController=new l["default"](this),D=new u["FragmentTracker"](this),k=this.streamController=new c["default"](this,D);E.setStreamController(k),T.setStreamController(k);var R=[A,k];this.networkControllers=R;var I=[S,b,m,y,E,T,L,D];this.audioTrackController=this.createController(r.audioTrackController,null,R),this.createController(r.audioStreamController,D,R),this.subtitleTrackController=this.createController(r.subtitleTrackController,null,R),this.createController(r.subtitleStreamController,D,R),this.createController(r.timelineController,null,I),this.emeController=this.createController(r.emeController,null,I),this.cmcdController=this.createController(r.cmcdController,null,I),this.latencyController=this.createController(o["default"],null,I),this.coreComponents=I}t.isSupported=function(){return Object(d["isSupported"])()};var e=t.prototype;return e.createController=function(t,e,r){if(t){var i=e?new t(this,e):new t(this);return r&&r.push(i),i}return null},e.on=function(t,e,r){void 0===r&&(r=this),this._emitter.on(t,e,r)},e.once=function(t,e,r){void 0===r&&(r=this),this._emitter.once(t,e,r)},e.removeAllListeners=function(t){this._emitter.removeAllListeners(t)},e.off=function(t,e,r,i){void 0===r&&(r=this),this._emitter.off(t,e,r,i)},e.listeners=function(t){return this._emitter.listeners(t)},e.emit=function(t,e,r){return this._emitter.emit(t,e,r)},e.trigger=function(t,e){if(this.config.debug)return this.emit(t,t,e);try{return this.emit(t,t,e)}catch(r){h["logger"].error("An internal error happened while handling event "+t+'. Error message: "'+r.message+'". Here is a stacktrace:',r),this.trigger(v["Events"].ERROR,{type:p["ErrorTypes"].OTHER_ERROR,details:p["ErrorDetails"].INTERNAL_EXCEPTION,fatal:!1,event:t,error:r})}return!1},e.listenerCount=function(t){return this._emitter.listenerCount(t)},e.destroy=function(){h["logger"].log("destroy"),this.trigger(v["Events"].DESTROYING,void 0),this.detachMedia(),this.removeAllListeners(),this._autoLevelCapping=-1,this.url=null,this.networkControllers.forEach((function(t){return t.destroy()})),this.networkControllers.length=0,this.coreComponents.forEach((function(t){return t.destroy()})),this.coreComponents.length=0},e.attachMedia=function(t){h["logger"].log("attachMedia"),this._media=t,this.trigger(v["Events"].MEDIA_ATTACHING,{media:t})},e.detachMedia=function(){h["logger"].log("detachMedia"),this.trigger(v["Events"].MEDIA_DETACHING,void 0),this._media=null},e.loadSource=function(t){this.stopLoad();var e=this.media,r=this.url,n=this.url=i["buildAbsoluteURL"](self.location.href,t,{alwaysNormalize:!0});h["logger"].log("loadSource:"+n),e&&r&&r!==n&&this.bufferController.hasSourceTypes()&&(this.detachMedia(),this.attachMedia(e)),this.trigger(v["Events"].MANIFEST_LOADING,{url:t})},e.startLoad=function(t){void 0===t&&(t=-1),h["logger"].log("startLoad("+t+")"),this.networkControllers.forEach((function(e){e.startLoad(t)}))},e.stopLoad=function(){h["logger"].log("stopLoad"),this.networkControllers.forEach((function(t){t.stopLoad()}))},e.swapAudioCodec=function(){h["logger"].log("swapAudioCodec"),this.streamController.swapAudioCodec()},e.recoverMediaError=function(){h["logger"].log("recoverMediaError");var t=this._media;this.detachMedia(),t&&this.attachMedia(t)},e.removeLevel=function(t,e){void 0===e&&(e=0),this.levelController.removeLevel(t,e)},y(t,[{key:"levels",get:function(){var t=this.levelController.levels;return t||[]}},{key:"currentLevel",get:function(){return this.streamController.currentLevel},set:function(t){h["logger"].log("set currentLevel:"+t),this.loadLevel=t,this.abrController.clearTimer(),this.streamController.immediateLevelSwitch()}},{key:"nextLevel",get:function(){return this.streamController.nextLevel},set:function(t){h["logger"].log("set nextLevel:"+t),this.levelController.manualLevel=t,this.streamController.nextLevelSwitch()}},{key:"loadLevel",get:function(){return this.levelController.level},set:function(t){h["logger"].log("set loadLevel:"+t),this.levelController.manualLevel=t}},{key:"nextLoadLevel",get:function(){return this.levelController.nextLoadLevel},set:function(t){this.levelController.nextLoadLevel=t}},{key:"firstLevel",get:function(){return Math.max(this.levelController.firstLevel,this.minAutoLevel)},set:function(t){h["logger"].log("set firstLevel:"+t),this.levelController.firstLevel=t}},{key:"startLevel",get:function(){return this.levelController.startLevel},set:function(t){h["logger"].log("set startLevel:"+t),-1!==t&&(t=Math.max(t,this.minAutoLevel)),this.levelController.startLevel=t}},{key:"capLevelToPlayerSize",get:function(){return this.config.capLevelToPlayerSize},set:function(t){var e=!!t;e!==this.config.capLevelToPlayerSize&&(e?this.capLevelController.startCapping():(this.capLevelController.stopCapping(),this.autoLevelCapping=-1,this.streamController.nextLevelSwitch()),this.config.capLevelToPlayerSize=e)}},{key:"autoLevelCapping",get:function(){return this._autoLevelCapping},set:function(t){this._autoLevelCapping!==t&&(h["logger"].log("set autoLevelCapping:"+t),this._autoLevelCapping=t)}},{key:"bandwidthEstimate",get:function(){var t=this.abrController.bwEstimator;return t?t.getEstimate():NaN}},{key:"autoLevelEnabled",get:function(){return-1===this.levelController.manualLevel}},{key:"manualLevel",get:function(){return this.levelController.manualLevel}},{key:"minAutoLevel",get:function(){var t=this.levels,e=this.config.minAutoBitrate;if(!t)return 0;for(var r=t.length,i=0;i<r;i++)if(t[i].maxBitrate>e)return i;return 0}},{key:"maxAutoLevel",get:function(){var t,e=this.levels,r=this.autoLevelCapping;return t=-1===r&&e&&e.length?e.length-1:r,t}},{key:"nextAutoLevel",get:function(){return Math.min(Math.max(this.abrController.nextAutoLevel,this.minAutoLevel),this.maxAutoLevel)},set:function(t){this.abrController.nextAutoLevel=Math.max(this.minAutoLevel,t)}},{key:"audioTracks",get:function(){var t=this.audioTrackController;return t?t.audioTracks:[]}},{key:"audioTrack",get:function(){var t=this.audioTrackController;return t?t.audioTrack:-1},set:function(t){var e=this.audioTrackController;e&&(e.audioTrack=t)}},{key:"subtitleTracks",get:function(){var t=this.subtitleTrackController;return t?t.subtitleTracks:[]}},{key:"subtitleTrack",get:function(){var t=this.subtitleTrackController;return t?t.subtitleTrack:-1},set:function(t){var e=this.subtitleTrackController;e&&(e.subtitleTrack=t)}},{key:"media",get:function(){return this._media}},{key:"subtitleDisplay",get:function(){var t=this.subtitleTrackController;return!!t&&t.subtitleDisplay},set:function(t){var e=this.subtitleTrackController;e&&(e.subtitleDisplay=t)}},{key:"lowLatencyMode",get:function(){return this.config.lowLatencyMode},set:function(t){this.config.lowLatencyMode=t}},{key:"liveSyncPosition",get:function(){return this.latencyController.liveSyncPosition}},{key:"latency",get:function(){return this.latencyController.latency}},{key:"maxLatency",get:function(){return this.latencyController.maxLatency}},{key:"targetLatency",get:function(){return this.latencyController.targetLatency}},{key:"drift",get:function(){return this.latencyController.drift}},{key:"forceStartLoad",get:function(){return this.streamController.forceStartLoad}}],[{key:"version",get:function(){return"1.1.3"}},{key:"Events",get:function(){return v["Events"]}},{key:"ErrorTypes",get:function(){return p["ErrorTypes"]}},{key:"ErrorDetails",get:function(){return p["ErrorDetails"]}},{key:"DefaultConfig",get:function(){return t.defaultConfig?t.defaultConfig:f["hlsDefaultConfig"]},set:function(e){t.defaultConfig=e}}]),t}();E.defaultConfig=void 0},"./src/is-supported.ts":
    194. 

  194. /*!*****************************!*\
    195. 

  195.   !*** ./src/is-supported.ts ***!
    196. 

  196.   \*****************************/
    197. 

  197. /*! exports provided: isSupported, changeTypeSupported */function(t,e,r){"use strict";r.r(e),r.d(e,"isSupported",(function(){return s})),r.d(e,"changeTypeSupported",(function(){return a}));var i=r(/*! ./utils/mediasource-helper */"./src/utils/mediasource-helper.ts");function n(){return self.SourceBuffer||self.WebKitSourceBuffer}function s(){var t=Object(i["getMediaSource"])();if(!t)return!1;var e=n(),r=t&&"function"===typeof t.isTypeSupported&&t.isTypeSupported('video/mp4; codecs="avc1.42E01E,mp4a.40.2"'),s=!e||e.prototype&&"function"===typeof e.prototype.appendBuffer&&"function"===typeof e.prototype.remove;return!!r&&!!s}function a(){var t,e=n();return"function"===typeof(null===e||void 0===e||null===(t=e.prototype)||void 0===t?void 0:t.changeType)}},"./src/loader/fragment-loader.ts":
    198. 

  198. /*!***************************************!*\
    199. 

  199.   !*** ./src/loader/fragment-loader.ts ***!
    200. 

  200.   \***************************************/
    201. 

  201. /*! exports provided: default, LoadError */function(t,e,r){"use strict";r.r(e),r.d(e,"default",(function(){return f})),r.d(e,"LoadError",(function(){return v}));var i=r(/*! ./src/polyfills/number */"./src/polyfills/number.ts"),n=r(/*! ../errors */"./src/errors.ts");function s(t,e){t.prototype=Object.create(e.prototype),t.prototype.constructor=t,c(t,e)}function a(t){var e="function"===typeof Map?new Map:void 0;return a=function(t){if(null===t||!u(t))return t;if("function"!==typeof t)throw new TypeError("Super expression must either be null or a function");if("undefined"!==typeof e){if(e.has(t))return e.get(t);e.set(t,r)}function r(){return o(t,arguments,d(this).constructor)}return r.prototype=Object.create(t.prototype,{constructor:{value:r,enumerable:!1,writable:!0,configurable:!0}}),c(r,t)},a(t)}function o(t,e,r){return o=l()?Reflect.construct:function(t,e,r){var i=[null];i.push.apply(i,e);var n=Function.bind.apply(t,i),s=new n;return r&&c(s,r.prototype),s},o.apply(null,arguments)}function l(){if("undefined"===typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"===typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){}))),!0}catch(t){return!1}}function u(t){return-1!==Function.toString.call(t).indexOf("[native code]")}function c(t,e){return c=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t},c(t,e)}function d(t){return d=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)},d(t)}var h=Math.pow(2,17),f=function(){function t(t){this.config=void 0,this.loader=null,this.partLoadTimeout=-1,this.config=t}var e=t.prototype;return e.destroy=function(){this.loader&&(this.loader.destroy(),this.loader=null)},e.abort=function(){this.loader&&this.loader.abort()},e.load=function(t,e){var r=this,i=t.url;if(!i)return Promise.reject(new v({type:n["ErrorTypes"].NETWORK_ERROR,details:n["ErrorDetails"].FRAG_LOAD_ERROR,fatal:!1,frag:t,networkDetails:null},"Fragment does not have a "+(i?"part list":"url")));this.abort();var s=this.config,a=s.fLoader,o=s.loader;return new Promise((function(i,l){r.loader&&r.loader.destroy();var u=r.loader=t.loader=a?new a(s):new o(s),c=g(t),d={timeout:s.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:s.fragLoadingMaxRetryTimeout,highWaterMark:h};t.stats=u.stats,u.load(c,d,{onSuccess:function(e,n,s,a){r.resetLoader(t,u),i({frag:t,part:null,payload:e.data,networkDetails:a})},onError:function(e,i,s){r.resetLoader(t,u),l(new v({type:n["ErrorTypes"].NETWORK_ERROR,details:n["ErrorDetails"].FRAG_LOAD_ERROR,fatal:!1,frag:t,response:e,networkDetails:s}))},onAbort:function(e,i,s){r.resetLoader(t,u),l(new v({type:n["ErrorTypes"].NETWORK_ERROR,details:n["ErrorDetails"].INTERNAL_ABORTED,fatal:!1,frag:t,networkDetails:s}))},onTimeout:function(e,i,s){r.resetLoader(t,u),l(new v({type:n["ErrorTypes"].NETWORK_ERROR,details:n["ErrorDetails"].FRAG_LOAD_TIMEOUT,fatal:!1,frag:t,networkDetails:s}))},onProgress:function(r,i,n,s){e&&e({frag:t,part:null,payload:n,networkDetails:s})}})}))},e.loadPart=function(t,e,r){var i=this;this.abort();var s=this.config,a=s.fLoader,o=s.loader;return new Promise((function(l,u){i.loader&&i.loader.destroy();var c=i.loader=t.loader=a?new a(s):new o(s),d=g(t,e),f={timeout:s.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:s.fragLoadingMaxRetryTimeout,highWaterMark:h};e.stats=c.stats,c.load(d,f,{onSuccess:function(n,s,a,o){i.resetLoader(t,c),i.updateStatsFromPart(t,e);var u={frag:t,part:e,payload:n.data,networkDetails:o};r(u),l(u)},onError:function(r,s,a){i.resetLoader(t,c),u(new v({type:n["ErrorTypes"].NETWORK_ERROR,details:n["ErrorDetails"].FRAG_LOAD_ERROR,fatal:!1,frag:t,part:e,response:r,networkDetails:a}))},onAbort:function(r,s,a){t.stats.aborted=e.stats.aborted,i.resetLoader(t,c),u(new v({type:n["ErrorTypes"].NETWORK_ERROR,details:n["ErrorDetails"].INTERNAL_ABORTED,fatal:!1,frag:t,part:e,networkDetails:a}))},onTimeout:function(r,s,a){i.resetLoader(t,c),u(new v({type:n["ErrorTypes"].NETWORK_ERROR,details:n["ErrorDetails"].FRAG_LOAD_TIMEOUT,fatal:!1,frag:t,part:e,networkDetails:a}))}})}))},e.updateStatsFromPart=function(t,e){var r=t.stats,i=e.stats,n=i.total;if(r.loaded+=i.loaded,n){var s=Math.round(t.duration/e.duration),a=Math.min(Math.round(r.loaded/n),s),o=s-a,l=o*Math.round(r.loaded/a);r.total=r.loaded+l}else r.total=Math.max(r.loaded,r.total);var u=r.loading,c=i.loading;u.start?u.first+=c.first-c.start:(u.start=c.start,u.first=c.first),u.end=c.end},e.resetLoader=function(t,e){t.loader=null,this.loader===e&&(self.clearTimeout(this.partLoadTimeout),this.loader=null),e.destroy()},t}();function g(t,e){void 0===e&&(e=null);var r=e||t,n={frag:t,part:e,responseType:"arraybuffer",url:r.url,headers:{},rangeStart:0,rangeEnd:0},s=r.byteRangeStartOffset,a=r.byteRangeEndOffset;return Object(i["isFiniteNumber"])(s)&&Object(i["isFiniteNumber"])(a)&&(n.rangeStart=s,n.rangeEnd=a),n}var v=function(t){function e(e){for(var r,i=arguments.length,n=new Array(i>1?i-1:0),s=1;s<i;s++)n[s-1]=arguments[s];return r=t.call.apply(t,[this].concat(n))||this,r.data=void 0,r.data=e,r}return s(e,t),e}(a(Error))},"./src/loader/fragment.ts":
    202. 

  202. /*!********************************!*\
    203. 

  203.   !*** ./src/loader/fragment.ts ***!
    204. 

  204.   \********************************/
    205. 

  205. /*! exports provided: ElementaryStreamTypes, BaseSegment, Fragment, Part */function(t,e,r){"use strict";r.r(e),r.d(e,"ElementaryStreamTypes",(function(){return i})),r.d(e,"BaseSegment",(function(){return f})),r.d(e,"Fragment",(function(){return g})),r.d(e,"Part",(function(){return v}));var i,n=r(/*! ./src/polyfills/number */"./src/polyfills/number.ts"),s=r(/*! url-toolkit */"./node_modules/url-toolkit/src/url-toolkit.js"),a=r(/*! ../utils/logger */"./src/utils/logger.ts"),o=r(/*! ./level-key */"./src/loader/level-key.ts"),l=r(/*! ./load-stats */"./src/loader/load-stats.ts");function u(t,e){t.prototype=Object.create(e.prototype),t.prototype.constructor=t,c(t,e)}function c(t,e){return c=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t},c(t,e)}function d(t,e){for(var r=0;r<e.length;r++){var i=e[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}function h(t,e,r){return e&&d(t.prototype,e),r&&d(t,r),t}(function(t){t["AUDIO"]="audio",t["VIDEO"]="video",t["AUDIOVIDEO"]="audiovideo"})(i||(i={}));var f=function(){function t(t){var e;this._byteRange=null,this._url=null,this.baseurl=void 0,this.relurl=void 0,this.elementaryStreams=(e={},e[i.AUDIO]=null,e[i.VIDEO]=null,e[i.AUDIOVIDEO]=null,e),this.baseurl=t}var e=t.prototype;return e.setByteRange=function(t,e){var r=t.split("@",2),i=[];1===r.length?i[0]=e?e.byteRangeEndOffset:0:i[0]=parseInt(r[1]),i[1]=parseInt(r[0])+i[0],this._byteRange=i},h(t,[{key:"byteRange",get:function(){return this._byteRange?this._byteRange:[]}},{key:"byteRangeStartOffset",get:function(){return this.byteRange[0]}},{key:"byteRangeEndOffset",get:function(){return this.byteRange[1]}},{key:"url",get:function(){return!this._url&&this.baseurl&&this.relurl&&(this._url=Object(s["buildAbsoluteURL"])(this.baseurl,this.relurl,{alwaysNormalize:!0})),this._url||""},set:function(t){this._url=t}}]),t}(),g=function(t){function e(e,r){var i;return i=t.call(this,r)||this,i._decryptdata=null,i.rawProgramDateTime=null,i.programDateTime=null,i.tagList=[],i.duration=0,i.sn=0,i.levelkey=void 0,i.type=void 0,i.loader=null,i.level=-1,i.cc=0,i.startPTS=void 0,i.endPTS=void 0,i.appendedPTS=void 0,i.startDTS=void 0,i.endDTS=void 0,i.start=0,i.deltaPTS=void 0,i.maxStartPTS=void 0,i.minEndPTS=void 0,i.stats=new l["LoadStats"],i.urlId=0,i.data=void 0,i.bitrateTest=!1,i.title=null,i.initSegment=null,i.type=e,i}u(e,t);var r=e.prototype;return r.createInitializationVector=function(t){for(var e=new Uint8Array(16),r=12;r<16;r++)e[r]=t>>8*(15-r)&255;return e},r.setDecryptDataFromLevelKey=function(t,e){var r=t;return"AES-128"===(null===t||void 0===t?void 0:t.method)&&t.uri&&!t.iv&&(r=o["LevelKey"].fromURI(t.uri),r.method=t.method,r.iv=this.createInitializationVector(e),r.keyFormat="identity"),r},r.setElementaryStreamInfo=function(t,e,r,i,n,s){void 0===s&&(s=!1);var a=this.elementaryStreams,o=a[t];o?(o.startPTS=Math.min(o.startPTS,e),o.endPTS=Math.max(o.endPTS,r),o.startDTS=Math.min(o.startDTS,i),o.endDTS=Math.max(o.endDTS,n)):a[t]={startPTS:e,endPTS:r,startDTS:i,endDTS:n,partial:s}},r.clearElementaryStreamInfo=function(){var t=this.elementaryStreams;t[i.AUDIO]=null,t[i.VIDEO]=null,t[i.AUDIOVIDEO]=null},h(e,[{key:"decryptdata",get:function(){if(!this.levelkey&&!this._decryptdata)return null;if(!this._decryptdata&&this.levelkey){var t=this.sn;"number"!==typeof t&&(this.levelkey&&"AES-128"===this.levelkey.method&&!this.levelkey.iv&&a["logger"].warn('missing IV for initialization segment with method="'+this.levelkey.method+'" - compliance issue'),t=0),this._decryptdata=this.setDecryptDataFromLevelKey(this.levelkey,t)}return this._decryptdata}},{key:"end",get:function(){return this.start+this.duration}},{key:"endProgramDateTime",get:function(){if(null===this.programDateTime)return null;if(!Object(n["isFiniteNumber"])(this.programDateTime))return null;var t=Object(n["isFiniteNumber"])(this.duration)?this.duration:0;return this.programDateTime+1e3*t}},{key:"encrypted",get:function(){var t;return!(null===(t=this.decryptdata)||void 0===t||!t.keyFormat||!this.decryptdata.uri)}}]),e}(f),v=function(t){function e(e,r,i,n,s){var a;a=t.call(this,i)||this,a.fragOffset=0,a.duration=0,a.gap=!1,a.independent=!1,a.relurl=void 0,a.fragment=void 0,a.index=void 0,a.stats=new l["LoadStats"],a.duration=e.decimalFloatingPoint("DURATION"),a.gap=e.bool("GAP"),a.independent=e.bool("INDEPENDENT"),a.relurl=e.enumeratedString("URI"),a.fragment=r,a.index=n;var o=e.enumeratedString("BYTERANGE");return o&&a.setByteRange(o,s),s&&(a.fragOffset=s.fragOffset+s.duration),a}return u(e,t),h(e,[{key:"start",get:function(){return this.fragment.start+this.fragOffset}},{key:"end",get:function(){return this.start+this.duration}},{key:"loaded",get:function(){var t=this.elementaryStreams;return!!(t.audio||t.video||t.audiovideo)}}]),e}(f)},"./src/loader/key-loader.ts":
    206. 

  206. /*!**********************************!*\
    207. 

  207.   !*** ./src/loader/key-loader.ts ***!
    208. 

  208.   \**********************************/
    209. 

  209. /*! exports provided: default */function(t,e,r){"use strict";r.r(e),r.d(e,"default",(function(){return a}));var i=r(/*! ../events */"./src/events.ts"),n=r(/*! ../errors */"./src/errors.ts"),s=r(/*! ../utils/logger */"./src/utils/logger.ts"),a=function(){function t(t){this.hls=void 0,this.loaders={},this.decryptkey=null,this.decrypturl=null,this.hls=t,this._registerListeners()}var e=t.prototype;return e._registerListeners=function(){this.hls.on(i["Events"].KEY_LOADING,this.onKeyLoading,this)},e._unregisterListeners=function(){this.hls.off(i["Events"].KEY_LOADING,this.onKeyLoading)},e.destroy=function(){for(var t in this._unregisterListeners(),this.loaders){var e=this.loaders[t];e&&e.destroy()}this.loaders={}},e.onKeyLoading=function(t,e){var r=e.frag,n=r.type,a=this.loaders[n];if(r.decryptdata){var o=r.decryptdata.uri;if(o!==this.decrypturl||null===this.decryptkey){var l=this.hls.config;if(a&&(s["logger"].warn("abort previous key loader for type:"+n),a.abort()),!o)return void s["logger"].warn("key uri is falsy");var u=l.loader,c=r.loader=this.loaders[n]=new u(l);this.decrypturl=o,this.decryptkey=null;var d={url:o,frag:r,responseType:"arraybuffer"},h={timeout:l.fragLoadingTimeOut,maxRetry:0,retryDelay:l.fragLoadingRetryDelay,maxRetryDelay:l.fragLoadingMaxRetryTimeout,highWaterMark:0},f={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};c.load(d,h,f)}else this.decryptkey&&(r.decryptdata.key=this.decryptkey,this.hls.trigger(i["Events"].KEY_LOADED,{frag:r}))}else s["logger"].warn("Missing decryption data on fragment in onKeyLoading")},e.loadsuccess=function(t,e,r){var n=r.frag;n.decryptdata?(this.decryptkey=n.decryptdata.key=new Uint8Array(t.data),n.loader=null,delete this.loaders[n.type],this.hls.trigger(i["Events"].KEY_LOADED,{frag:n})):s["logger"].error("after key load, decryptdata unset")},e.loaderror=function(t,e){var r=e.frag,s=r.loader;s&&s.abort(),delete this.loaders[r.type],this.hls.trigger(i["Events"].ERROR,{type:n["ErrorTypes"].NETWORK_ERROR,details:n["ErrorDetails"].KEY_LOAD_ERROR,fatal:!1,frag:r,response:t})},e.loadtimeout=function(t,e){var r=e.frag,s=r.loader;s&&s.abort(),delete this.loaders[r.type],this.hls.trigger(i["Events"].ERROR,{type:n["ErrorTypes"].NETWORK_ERROR,details:n["ErrorDetails"].KEY_LOAD_TIMEOUT,fatal:!1,frag:r})},t}()},"./src/loader/level-details.ts":
    210. 

  210. /*!*************************************!*\
    211. 

  211.   !*** ./src/loader/level-details.ts ***!
    212. 

  212.   \*************************************/
    213. 

  213. /*! exports provided: LevelDetails */function(t,e,r){"use strict";r.r(e),r.d(e,"LevelDetails",(function(){return o}));var i=r(/*! ./src/polyfills/number */"./src/polyfills/number.ts");function n(t,e){for(var r=0;r<e.length;r++){var i=e[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}function s(t,e,r){return e&&n(t.prototype,e),r&&n(t,r),t}var a=10,o=function(){function t(t){this.PTSKnown=!1,this.alignedSliding=!1,this.averagetargetduration=void 0,this.endCC=0,this.endSN=0,this.fragments=void 0,this.fragmentHint=void 0,this.partList=null,this.live=!0,this.ageHeader=0,this.advancedDateTime=void 0,this.updated=!0,this.advanced=!0,this.availabilityDelay=void 0,this.misses=0,this.needSidxRanges=!1,this.startCC=0,this.startSN=0,this.startTimeOffset=null,this.targetduration=0,this.totalduration=0,this.type=null,this.url=void 0,this.m3u8="",this.version=null,this.canBlockReload=!1,this.canSkipUntil=0,this.canSkipDateRanges=!1,this.skippedSegments=0,this.recentlyRemovedDateranges=void 0,this.partHoldBack=0,this.holdBack=0,this.partTarget=0,this.preloadHint=void 0,this.renditionReports=void 0,this.tuneInGoal=0,this.deltaUpdateFailed=void 0,this.driftStartTime=0,this.driftEndTime=0,this.driftStart=0,this.driftEnd=0,this.fragments=[],this.url=t}var e=t.prototype;return e.reloaded=function(t){if(!t)return this.advanced=!0,void(this.updated=!0);var e=this.lastPartSn-t.lastPartSn,r=this.lastPartIndex-t.lastPartIndex;this.updated=this.endSN!==t.endSN||!!r||!!e,this.advanced=this.endSN>t.endSN||e>0||0===e&&r>0,this.updated||this.advanced?this.misses=Math.floor(.6*t.misses):this.misses=t.misses+1,this.availabilityDelay=t.availabilityDelay},s(t,[{key:"hasProgramDateTime",get:function(){return!!this.fragments.length&&Object(i["isFiniteNumber"])(this.fragments[this.fragments.length-1].programDateTime)}},{key:"levelTargetDuration",get:function(){return this.averagetargetduration||this.targetduration||a}},{key:"drift",get:function(){var t=this.driftEndTime-this.driftStartTime;if(t>0){var e=this.driftEnd-this.driftStart;return 1e3*e/t}return 1}},{key:"edge",get:function(){return this.partEnd||this.fragmentEnd}},{key:"partEnd",get:function(){var t;return null!==(t=this.partList)&&void 0!==t&&t.length?this.partList[this.partList.length-1].end:this.fragmentEnd}},{key:"fragmentEnd",get:function(){var t;return null!==(t=this.fragments)&&void 0!==t&&t.length?this.fragments[this.fragments.length-1].end:0}},{key:"age",get:function(){return this.advancedDateTime?Math.max(Date.now()-this.advancedDateTime,0)/1e3:0}},{key:"lastPartIndex",get:function(){var t;return null!==(t=this.partList)&&void 0!==t&&t.length?this.partList[this.partList.length-1].index:-1}},{key:"lastPartSn",get:function(){var t;return null!==(t=this.partList)&&void 0!==t&&t.length?this.partList[this.partList.length-1].fragment.sn:this.endSN}}]),t}()},"./src/loader/level-key.ts":
    214. 

  214. /*!*********************************!*\
    215. 

  215.   !*** ./src/loader/level-key.ts ***!
    216. 

  216.   \*********************************/
    217. 

  217. /*! exports provided: LevelKey */function(t,e,r){"use strict";r.r(e),r.d(e,"LevelKey",(function(){return a}));var i=r(/*! url-toolkit */"./node_modules/url-toolkit/src/url-toolkit.js");function n(t,e){for(var r=0;r<e.length;r++){var i=e[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}function s(t,e,r){return e&&n(t.prototype,e),r&&n(t,r),t}var a=function(){function t(t,e){this._uri=null,this.method=null,this.keyFormat=null,this.keyFormatVersions=null,this.keyID=null,this.key=null,this.iv=null,this._uri=e?Object(i["buildAbsoluteURL"])(t,e,{alwaysNormalize:!0}):t}return t.fromURL=function(e,r){return new t(e,r)},t.fromURI=function(e){return new t(e)},s(t,[{key:"uri",get:function(){return this._uri}}]),t}()},"./src/loader/load-stats.ts":
    218. 

  218. /*!**********************************!*\
    219. 

  219.   !*** ./src/loader/load-stats.ts ***!
    220. 

  220.   \**********************************/
    221. 

  221. /*! exports provided: LoadStats */function(t,e,r){"use strict";r.r(e),r.d(e,"LoadStats",(function(){return i}));var i=function(){this.aborted=!1,this.loaded=0,this.retry=0,this.total=0,this.chunkCount=0,this.bwEstimate=0,this.loading={start:0,first:0,end:0},this.parsing={start:0,end:0},this.buffering={start:0,first:0,end:0}}},"./src/loader/m3u8-parser.ts":
    222. 

  222. /*!***********************************!*\
    223. 

  223.   !*** ./src/loader/m3u8-parser.ts ***!
    224. 

  224.   \***********************************/
    225. 

  225. /*! exports provided: default */function(t,e,r){"use strict";r.r(e),r.d(e,"default",(function(){return m}));var i=r(/*! ./src/polyfills/number */"./src/polyfills/number.ts"),n=r(/*! url-toolkit */"./node_modules/url-toolkit/src/url-toolkit.js"),s=r(/*! ./fragment */"./src/loader/fragment.ts"),a=r(/*! ./level-details */"./src/loader/level-details.ts"),o=r(/*! ./level-key */"./src/loader/level-key.ts"),l=r(/*! ../utils/attr-list */"./src/utils/attr-list.ts"),u=r(/*! ../utils/logger */"./src/utils/logger.ts"),c=r(/*! ../utils/codecs */"./src/utils/codecs.ts"),d=/#EXT-X-STREAM-INF:([^\r\n]*)(?:[\r\n](?:#[^\r\n]*)?)*([^\r\n]+)|#EXT-X-SESSION-DATA:([^\r\n]*)[\r\n]+/g,h=/#EXT-X-MEDIA:(.*)/g,f=new RegExp([/#EXTINF:\s*(\d*(?:\.\d+)?)(?:,(.*)\s+)?/.source,/(?!#) *(\S[\S ]*)/.source,/#EXT-X-BYTERANGE:*(.+)/.source,/#EXT-X-PROGRAM-DATE-TIME:(.+)/.source,/#.*/.source].join("|"),"g"),g=new RegExp([/#(EXTM3U)/.source,/#EXT-X-(PLAYLIST-TYPE):(.+)/.source,/#EXT-X-(MEDIA-SEQUENCE): *(\d+)/.source,/#EXT-X-(SKIP):(.+)/.source,/#EXT-X-(TARGETDURATION): *(\d+)/.source,/#EXT-X-(KEY):(.+)/.source,/#EXT-X-(START):(.+)/.source,/#EXT-X-(ENDLIST)/.source,/#EXT-X-(DISCONTINUITY-SEQ)UENCE: *(\d+)/.source,/#EXT-X-(DIS)CONTINUITY/.source,/#EXT-X-(VERSION):(\d+)/.source,/#EXT-X-(MAP):(.+)/.source,/#EXT-X-(SERVER-CONTROL):(.+)/.source,/#EXT-X-(PART-INF):(.+)/.source,/#EXT-X-(GAP)/.source,/#EXT-X-(BITRATE):\s*(\d+)/.source,/#EXT-X-(PART):(.+)/.source,/#EXT-X-(PRELOAD-HINT):(.+)/.source,/#EXT-X-(RENDITION-REPORT):(.+)/.source,/(#)([^:]*):(.*)/.source,/(#)(.*)(?:.*)\r?\n?/.source].join("|")),v=/\.(mp4|m4s|m4v|m4a)$/i;function p(t){var e,r;return v.test(null!=(e=null===(r=n["parseURL"](t))||void 0===r?void 0:r.path)?e:"")}var m=function(){function t(){}return t.findGroup=function(t,e){for(var r=0;r<t.length;r++){var i=t[r];if(i.id===e)return i}},t.convertAVC1ToAVCOTI=function(t){var e=t.split(".");if(e.length>2){var r=e.shift()+".";return r+=parseInt(e.shift()).toString(16),r+=("000"+parseInt(e.shift()).toString(16)).substr(-4),r}return t},t.resolve=function(t,e){return n["buildAbsoluteURL"](e,t,{alwaysNormalize:!0})},t.parseMasterPlaylist=function(e,r){var i,n=[],s={},a=!1;d.lastIndex=0;while(null!=(i=d.exec(e)))if(i[1]){var o=new l["AttrList"](i[1]),u={attrs:o,bitrate:o.decimalInteger("AVERAGE-BANDWIDTH")||o.decimalInteger("BANDWIDTH"),name:o.NAME,url:t.resolve(i[2],r)},c=o.decimalResolution("RESOLUTION");c&&(u.width=c.width,u.height=c.height),y((o.CODECS||"").split(/[ ,]+/).filter((function(t){return t})),u),u.videoCodec&&-1!==u.videoCodec.indexOf("avc1")&&(u.videoCodec=t.convertAVC1ToAVCOTI(u.videoCodec)),n.push(u)}else if(i[3]){var h=new l["AttrList"](i[3]);h["DATA-ID"]&&(a=!0,s[h["DATA-ID"]]=h)}return{levels:n,sessionData:a?s:null}},t.parseMasterPlaylistMedia=function(e,r,i,n){var s;void 0===n&&(n=[]);var a=[],o=0;h.lastIndex=0;while(null!==(s=h.exec(e))){var u=new l["AttrList"](s[1]);if(u.TYPE===i){var c={attrs:u,bitrate:0,id:o++,groupId:u["GROUP-ID"],instreamId:u["INSTREAM-ID"],name:u.NAME||u.LANGUAGE||"",type:i,default:u.bool("DEFAULT"),autoselect:u.bool("AUTOSELECT"),forced:u.bool("FORCED"),lang:u.LANGUAGE,url:u.URI?t.resolve(u.URI,r):""};if(n.length){var d=t.findGroup(n,c.groupId)||n[0];E(c,d,"audioCodec"),E(c,d,"textCodec")}a.push(c)}}return a},t.parseLevelPlaylist=function(t,e,r,n,c){var d,h,v,m=new a["LevelDetails"](e),y=m.fragments,E=null,b=0,L=0,A=0,D=0,k=null,R=new s["Fragment"](n,e),I=-1,_=!1;f.lastIndex=0,m.m3u8=t;while(null!==(d=f.exec(t))){_&&(_=!1,R=new s["Fragment"](n,e),R.start=A,R.sn=b,R.cc=D,R.level=r,E&&(R.initSegment=E,R.rawProgramDateTime=E.rawProgramDateTime));var C=d[1];if(C){R.duration=parseFloat(C);var O=(" "+d[2]).slice(1);R.title=O||null,R.tagList.push(O?["INF",C,O]:["INF",C])}else if(d[3])Object(i["isFiniteNumber"])(R.duration)&&(R.start=A,v&&(R.levelkey=v),R.sn=b,R.level=r,R.cc=D,R.urlId=c,y.push(R),R.relurl=(" "+d[3]).slice(1),S(R,k),k=R,A+=R.duration,b++,L=0,_=!0);else if(d[4]){var w=(" "+d[4]).slice(1);k?R.setByteRange(w,k):R.setByteRange(w)}else if(d[5])R.rawProgramDateTime=(" "+d[5]).slice(1),R.tagList.push(["PROGRAM-DATE-TIME",R.rawProgramDateTime]),-1===I&&(I=y.length);else{if(d=d[0].match(g),!d){u["logger"].warn("No matches on slow regex match for level playlist!");continue}for(h=1;h<d.length;h++)if("undefined"!==typeof d[h])break;var x=(" "+d[h]).slice(1),P=(" "+d[h+1]).slice(1),F=d[h+2]?(" "+d[h+2]).slice(1):"";switch(x){case"PLAYLIST-TYPE":m.type=P.toUpperCase();break;case"MEDIA-SEQUENCE":b=m.startSN=parseInt(P);break;case"SKIP":var M=new l["AttrList"](P),N=M.decimalInteger("SKIPPED-SEGMENTS");if(Object(i["isFiniteNumber"])(N)){m.skippedSegments=N;for(var U=N;U--;)y.unshift(null);b+=N}var B=M.enumeratedString("RECENTLY-REMOVED-DATERANGES");B&&(m.recentlyRemovedDateranges=B.split("\t"));break;case"TARGETDURATION":m.targetduration=parseFloat(P);break;case"VERSION":m.version=parseInt(P);break;case"EXTM3U":break;case"ENDLIST":m.live=!1;break;case"#":(P||F)&&R.tagList.push(F?[P,F]:[P]);break;case"DIS":D++;case"GAP":R.tagList.push([x]);break;case"BITRATE":R.tagList.push([x,P]);break;case"DISCONTINUITY-SEQ":D=parseInt(P);break;case"KEY":var G,j=new l["AttrList"](P),K=j.enumeratedString("METHOD"),H=j.URI,V=j.hexadecimalInteger("IV"),W=j.enumeratedString("KEYFORMATVERSIONS"),Y=j.enumeratedString("KEYID"),q=null!=(G=j.enumeratedString("KEYFORMAT"))?G:"identity",X=["com.apple.streamingkeydelivery","com.microsoft.playready","urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed","com.widevine"];if(X.indexOf(q)>-1){u["logger"].warn("Keyformat "+q+" is not supported from the manifest");continue}if("identity"!==q)continue;K&&(v=o["LevelKey"].fromURL(e,H),H&&["AES-128","SAMPLE-AES","SAMPLE-AES-CENC"].indexOf(K)>=0&&(v.method=K,v.keyFormat=q,Y&&(v.keyID=Y),W&&(v.keyFormatVersions=W),v.iv=V));break;case"START":var z=new l["AttrList"](P),Q=z.decimalFloatingPoint("TIME-OFFSET");Object(i["isFiniteNumber"])(Q)&&(m.startTimeOffset=Q);break;case"MAP":var $=new l["AttrList"](P);R.relurl=$.URI,$.BYTERANGE&&R.setByteRange($.BYTERANGE),R.level=r,R.sn="initSegment",v&&(R.levelkey=v),R.initSegment=null,E=R,_=!0;break;case"SERVER-CONTROL":var J=new l["AttrList"](P);m.canBlockReload=J.bool("CAN-BLOCK-RELOAD"),m.canSkipUntil=J.optionalFloat("CAN-SKIP-UNTIL",0),m.canSkipDateRanges=m.canSkipUntil>0&&J.bool("CAN-SKIP-DATERANGES"),m.partHoldBack=J.optionalFloat("PART-HOLD-BACK",0),m.holdBack=J.optionalFloat("HOLD-BACK",0);break;case"PART-INF":var Z=new l["AttrList"](P);m.partTarget=Z.decimalFloatingPoint("PART-TARGET");break;case"PART":var tt=m.partList;tt||(tt=m.partList=[]);var et=L>0?tt[tt.length-1]:void 0,rt=L++,it=new s["Part"](new l["AttrList"](P),R,e,rt,et);tt.push(it),R.duration+=it.duration;break;case"PRELOAD-HINT":var nt=new l["AttrList"](P);m.preloadHint=nt;break;case"RENDITION-REPORT":var st=new l["AttrList"](P);m.renditionReports=m.renditionReports||[],m.renditionReports.push(st);break;default:u["logger"].warn("line parsed but not handled: "+d);break}}}k&&!k.relurl?(y.pop(),A-=k.duration,m.partList&&(m.fragmentHint=k)):m.partList&&(S(R,k),R.cc=D,m.fragmentHint=R);var at=y.length,ot=y[0],lt=y[at-1];if(A+=m.skippedSegments*m.targetduration,A>0&&at&&lt){m.averagetargetduration=A/at;var ut=lt.sn;m.endSN="initSegment"!==ut?ut:0,ot&&(m.startCC=ot.cc,ot.initSegment||m.fragments.every((function(t){return t.relurl&&p(t.relurl)}))&&(u["logger"].warn("MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX"),R=new s["Fragment"](n,e),R.relurl=lt.relurl,R.level=r,R.sn="initSegment",ot.initSegment=R,m.needSidxRanges=!0))}else m.endSN=0,m.startCC=0;return m.fragmentHint&&(A+=m.fragmentHint.duration),m.totalduration=A,m.endCC=D,I>0&&T(y,I),m},t}();function y(t,e){["video","audio","text"].forEach((function(r){var i=t.filter((function(t){return Object(c["isCodecType"])(t,r)}));if(i.length){var n=i.filter((function(t){return 0===t.lastIndexOf("avc1",0)||0===t.lastIndexOf("mp4a",0)}));e[r+"Codec"]=n.length>0?n[0]:i[0],t=t.filter((function(t){return-1===i.indexOf(t)}))}})),e.unknownCodecs=t}function E(t,e,r){var i=e[r];i&&(t[r]=i)}function T(t,e){for(var r=t[e],i=e;i--;){var n=t[i];if(!n)return;n.programDateTime=r.programDateTime-1e3*n.duration,r=n}}function S(t,e){t.rawProgramDateTime?t.programDateTime=Date.parse(t.rawProgramDateTime):null!==e&&void 0!==e&&e.programDateTime&&(t.programDateTime=e.endProgramDateTime),Object(i["isFiniteNumber"])(t.programDateTime)||(t.programDateTime=null,t.rawProgramDateTime=null)}},"./src/loader/playlist-loader.ts":
    226. 

  226. /*!***************************************!*\
    227. 

  227.   !*** ./src/loader/playlist-loader.ts ***!
    228. 

  228.   \***************************************/
    229. 

  229. /*! exports provided: default */function(t,e,r){"use strict";r.r(e);var i=r(/*! ./src/polyfills/number */"./src/polyfills/number.ts"),n=r(/*! ../events */"./src/events.ts"),s=r(/*! ../errors */"./src/errors.ts"),a=r(/*! ../utils/logger */"./src/utils/logger.ts"),o=r(/*! ../utils/mp4-tools */"./src/utils/mp4-tools.ts"),l=r(/*! ./m3u8-parser */"./src/loader/m3u8-parser.ts"),u=r(/*! ../types/loader */"./src/types/loader.ts"),c=r(/*! ../utils/attr-list */"./src/utils/attr-list.ts");function d(t){var e=t.type;switch(e){case u["PlaylistContextType"].AUDIO_TRACK:return u["PlaylistLevelType"].AUDIO;case u["PlaylistContextType"].SUBTITLE_TRACK:return u["PlaylistLevelType"].SUBTITLE;default:return u["PlaylistLevelType"].MAIN}}function h(t,e){var r=t.url;return void 0!==r&&0!==r.indexOf("data:")||(r=e.url),r}var f=function(){function t(t){this.hls=void 0,this.loaders=Object.create(null),this.hls=t,this.registerListeners()}var e=t.prototype;return e.registerListeners=function(){var t=this.hls;t.on(n["Events"].MANIFEST_LOADING,this.onManifestLoading,this),t.on(n["Events"].LEVEL_LOADING,this.onLevelLoading,this),t.on(n["Events"].AUDIO_TRACK_LOADING,this.onAudioTrackLoading,this),t.on(n["Events"].SUBTITLE_TRACK_LOADING,this.onSubtitleTrackLoading,this)},e.unregisterListeners=function(){var t=this.hls;t.off(n["Events"].MANIFEST_LOADING,this.onManifestLoading,this),t.off(n["Events"].LEVEL_LOADING,this.onLevelLoading,this),t.off(n["Events"].AUDIO_TRACK_LOADING,this.onAudioTrackLoading,this),t.off(n["Events"].SUBTITLE_TRACK_LOADING,this.onSubtitleTrackLoading,this)},e.createInternalLoader=function(t){var e=this.hls.config,r=e.pLoader,i=e.loader,n=r||i,s=new n(e);return t.loader=s,this.loaders[t.type]=s,s},e.getInternalLoader=function(t){return this.loaders[t.type]},e.resetInternalLoader=function(t){this.loaders[t]&&delete this.loaders[t]},e.destroyInternalLoaders=function(){for(var t in this.loaders){var e=this.loaders[t];e&&e.destroy(),this.resetInternalLoader(t)}},e.destroy=function(){this.unregisterListeners(),this.destroyInternalLoaders()},e.onManifestLoading=function(t,e){var r=e.url;this.load({id:null,groupId:null,level:0,responseType:"text",type:u["PlaylistContextType"].MANIFEST,url:r,deliveryDirectives:null})},e.onLevelLoading=function(t,e){var r=e.id,i=e.level,n=e.url,s=e.deliveryDirectives;this.load({id:r,groupId:null,level:i,responseType:"text",type:u["PlaylistContextType"].LEVEL,url:n,deliveryDirectives:s})},e.onAudioTrackLoading=function(t,e){var r=e.id,i=e.groupId,n=e.url,s=e.deliveryDirectives;this.load({id:r,groupId:i,level:null,responseType:"text",type:u["PlaylistContextType"].AUDIO_TRACK,url:n,deliveryDirectives:s})},e.onSubtitleTrackLoading=function(t,e){var r=e.id,i=e.groupId,n=e.url,s=e.deliveryDirectives;this.load({id:r,groupId:i,level:null,responseType:"text",type:u["PlaylistContextType"].SUBTITLE_TRACK,url:n,deliveryDirectives:s})},e.load=function(t){var e,r,i,n,s,o,l=this.hls.config,c=this.getInternalLoader(t);if(c){var d=c.context;if(d&&d.url===t.url)return void a["logger"].trace("[playlist-loader]: playlist request ongoing");a["logger"].log("[playlist-loader]: aborting previous loader for type: "+t.type),c.abort()}switch(t.type){case u["PlaylistContextType"].MANIFEST:r=l.manifestLoadingMaxRetry,i=l.manifestLoadingTimeOut,n=l.manifestLoadingRetryDelay,s=l.manifestLoadingMaxRetryTimeout;break;case u["PlaylistContextType"].LEVEL:case u["PlaylistContextType"].AUDIO_TRACK:case u["PlaylistContextType"].SUBTITLE_TRACK:r=0,i=l.levelLoadingTimeOut;break;default:r=l.levelLoadingMaxRetry,i=l.levelLoadingTimeOut,n=l.levelLoadingRetryDelay,s=l.levelLoadingMaxRetryTimeout;break}if((c=this.createInternalLoader(t),null!==(e=t.deliveryDirectives)&&void 0!==e&&e.part)&&(t.type===u["PlaylistContextType"].LEVEL&&null!==t.level?o=this.hls.levels[t.level].details:t.type===u["PlaylistContextType"].AUDIO_TRACK&&null!==t.id?o=this.hls.audioTracks[t.id].details:t.type===u["PlaylistContextType"].SUBTITLE_TRACK&&null!==t.id&&(o=this.hls.subtitleTracks[t.id].details),o)){var h=o.partTarget,f=o.targetduration;h&&f&&(i=Math.min(1e3*Math.max(3*h,.8*f),i))}var g={timeout:i,maxRetry:r,retryDelay:n,maxRetryDelay:s,highWaterMark:0},v={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};c.load(t,g,v)},e.loadsuccess=function(t,e,r,i){if(void 0===i&&(i=null),r.isSidxRequest)return this.handleSidxRequest(t,r),void this.handlePlaylistLoaded(t,e,r,i);this.resetInternalLoader(r.type);var n=t.data;0===n.indexOf("#EXTM3U")?(e.parsing.start=performance.now(),n.indexOf("#EXTINF:")>0||n.indexOf("#EXT-X-TARGETDURATION:")>0?this.handleTrackOrLevelPlaylist(t,e,r,i):this.handleMasterPlaylist(t,e,r,i)):this.handleManifestParsingError(t,r,"no EXTM3U delimiter",i)},e.loaderror=function(t,e,r){void 0===r&&(r=null),this.handleNetworkError(e,r,!1,t)},e.loadtimeout=function(t,e,r){void 0===r&&(r=null),this.handleNetworkError(e,r,!0)},e.handleMasterPlaylist=function(t,e,r,i){var s=this.hls,o=t.data,u=h(t,r),d=l["default"].parseMasterPlaylist(o,u),f=d.levels,g=d.sessionData;if(f.length){var v=f.map((function(t){return{id:t.attrs.AUDIO,audioCodec:t.audioCodec}})),p=f.map((function(t){return{id:t.attrs.SUBTITLES,textCodec:t.textCodec}})),m=l["default"].parseMasterPlaylistMedia(o,u,"AUDIO",v),y=l["default"].parseMasterPlaylistMedia(o,u,"SUBTITLES",p),E=l["default"].parseMasterPlaylistMedia(o,u,"CLOSED-CAPTIONS");if(m.length){var T=m.some((function(t){return!t.url}));T||!f[0].audioCodec||f[0].attrs.AUDIO||(a["logger"].log("[playlist-loader]: audio codec signaled in quality level, but no embedded audio track signaled, create one"),m.unshift({type:"main",name:"main",default:!1,autoselect:!1,forced:!1,id:-1,attrs:new c["AttrList"]({}),bitrate:0,url:""}))}s.trigger(n["Events"].MANIFEST_LOADED,{levels:f,audioTracks:m,subtitles:y,captions:E,url:u,stats:e,networkDetails:i,sessionData:g})}else this.handleManifestParsingError(t,r,"no level found in manifest",i)},e.handleTrackOrLevelPlaylist=function(t,e,r,a){var o=this.hls,f=r.id,g=r.level,v=r.type,p=h(t,r),m=Object(i["isFiniteNumber"])(f)?f:0,y=Object(i["isFiniteNumber"])(g)?g:m,E=d(r),T=l["default"].parseLevelPlaylist(t.data,p,y,E,m);if(T.fragments.length){if(v===u["PlaylistContextType"].MANIFEST){var S={attrs:new c["AttrList"]({}),bitrate:0,details:T,name:"",url:p};o.trigger(n["Events"].MANIFEST_LOADED,{levels:[S],audioTracks:[],url:p,stats:e,networkDetails:a,sessionData:null})}if(e.parsing.end=performance.now(),T.needSidxRanges){var b,L=null===(b=T.fragments[0].initSegment)||void 0===b?void 0:b.url;this.load({url:L,isSidxRequest:!0,type:v,level:g,levelDetails:T,id:f,groupId:null,rangeStart:0,rangeEnd:2048,responseType:"arraybuffer",deliveryDirectives:null})}else r.levelDetails=T,this.handlePlaylistLoaded(t,e,r,a)}else o.trigger(n["Events"].ERROR,{type:s["ErrorTypes"].NETWORK_ERROR,details:s["ErrorDetails"].LEVEL_EMPTY_ERROR,fatal:!1,url:p,reason:"no fragments found in level",level:"number"===typeof r.level?r.level:void 0})},e.handleSidxRequest=function(t,e){var r=Object(o["parseSegmentIndex"])(new Uint8Array(t.data));if(r){var i=r.references,n=e.levelDetails;i.forEach((function(t,e){var i=t.info,s=n.fragments[e];0===s.byteRange.length&&s.setByteRange(String(1+i.end-i.start)+"@"+String(i.start)),s.initSegment&&s.initSegment.setByteRange(String(r.moovEndOffset)+"@0")}))}},e.handleManifestParsingError=function(t,e,r,i){this.hls.trigger(n["Events"].ERROR,{type:s["ErrorTypes"].NETWORK_ERROR,details:s["ErrorDetails"].MANIFEST_PARSING_ERROR,fatal:e.type===u["PlaylistContextType"].MANIFEST,url:t.url,reason:r,response:t,context:e,networkDetails:i})},e.handleNetworkError=function(t,e,r,i){void 0===r&&(r=!1),a["logger"].warn("[playlist-loader]: A network "+(r?"timeout":"error")+" occurred while loading "+t.type+" level: "+t.level+" id: "+t.id+' group-id: "'+t.groupId+'"');var o=s["ErrorDetails"].UNKNOWN,l=!1,c=this.getInternalLoader(t);switch(t.type){case u["PlaylistContextType"].MANIFEST:o=r?s["ErrorDetails"].MANIFEST_LOAD_TIMEOUT:s["ErrorDetails"].MANIFEST_LOAD_ERROR,l=!0;break;case u["PlaylistContextType"].LEVEL:o=r?s["ErrorDetails"].LEVEL_LOAD_TIMEOUT:s["ErrorDetails"].LEVEL_LOAD_ERROR,l=!1;break;case u["PlaylistContextType"].AUDIO_TRACK:o=r?s["ErrorDetails"].AUDIO_TRACK_LOAD_TIMEOUT:s["ErrorDetails"].AUDIO_TRACK_LOAD_ERROR,l=!1;break;case u["PlaylistContextType"].SUBTITLE_TRACK:o=r?s["ErrorDetails"].SUBTITLE_TRACK_LOAD_TIMEOUT:s["ErrorDetails"].SUBTITLE_LOAD_ERROR,l=!1;break}c&&this.resetInternalLoader(t.type);var d={type:s["ErrorTypes"].NETWORK_ERROR,details:o,fatal:l,url:t.url,loader:c,context:t,networkDetails:e};i&&(d.response=i),this.hls.trigger(n["Events"].ERROR,d)},e.handlePlaylistLoaded=function(t,e,r,i){var s=r.type,a=r.level,o=r.id,l=r.groupId,c=r.loader,d=r.levelDetails,h=r.deliveryDirectives;if(null!==d&&void 0!==d&&d.targetduration){if(c)switch(d.live&&(c.getCacheAge&&(d.ageHeader=c.getCacheAge()||0),c.getCacheAge&&!isNaN(d.ageHeader)||(d.ageHeader=0)),s){case u["PlaylistContextType"].MANIFEST:case u["PlaylistContextType"].LEVEL:this.hls.trigger(n["Events"].LEVEL_LOADED,{details:d,level:a||0,id:o||0,stats:e,networkDetails:i,deliveryDirectives:h});break;case u["PlaylistContextType"].AUDIO_TRACK:this.hls.trigger(n["Events"].AUDIO_TRACK_LOADED,{details:d,id:o||0,groupId:l||"",stats:e,networkDetails:i,deliveryDirectives:h});break;case u["PlaylistContextType"].SUBTITLE_TRACK:this.hls.trigger(n["Events"].SUBTITLE_TRACK_LOADED,{details:d,id:o||0,groupId:l||"",stats:e,networkDetails:i,deliveryDirectives:h});break}}else this.handleManifestParsingError(t,r,"invalid target duration",i)},t}();e["default"]=f},"./src/polyfills/number.ts":
    230. 

  230. /*!*********************************!*\
    231. 

  231.   !*** ./src/polyfills/number.ts ***!
    232. 

  232.   \*********************************/
    233. 

  233. /*! exports provided: isFiniteNumber, MAX_SAFE_INTEGER */function(t,e,r){"use strict";r.r(e),r.d(e,"isFiniteNumber",(function(){return i})),r.d(e,"MAX_SAFE_INTEGER",(function(){return n}));var i=Number.isFinite||function(t){return"number"===typeof t&&isFinite(t)},n=Number.MAX_SAFE_INTEGER||9007199254740991},"./src/remux/aac-helper.ts":
    234. 

  234. /*!*********************************!*\
    235. 

  235.   !*** ./src/remux/aac-helper.ts ***!
    236. 

  236.   \*********************************/
    237. 

  237. /*! exports provided: default */function(t,e,r){"use strict";r.r(e);var i=function(){function t(){}return t.getSilentFrame=function(t,e){switch(t){case"mp4a.40.2":if(1===e)return new Uint8Array([0,200,0,128,35,128]);if(2===e)return new Uint8Array([33,0,73,144,2,25,0,35,128]);if(3===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,142]);if(4===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,128,44,128,8,2,56]);if(5===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,56]);if(6===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,0,178,0,32,8,224]);break;default:if(1===e)return new Uint8Array([1,64,34,128,163,78,230,128,186,8,0,0,0,28,6,241,193,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(2===e)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(3===e)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);break}},t}();e["default"]=i},"./src/remux/mp4-generator.ts":
    238. 

  238. /*!************************************!*\
    239. 

  239.   !*** ./src/remux/mp4-generator.ts ***!
    240. 

  240.   \************************************/
    241. 

  241. /*! exports provided: default */function(t,e,r){"use strict";r.r(e);var i=Math.pow(2,32)-1,n=function(){function t(){}return t.init=function(){var e;for(e in t.types={avc1:[],avcC:[],btrt:[],dinf:[],dref:[],esds:[],ftyp:[],hdlr:[],mdat:[],mdhd:[],mdia:[],mfhd:[],minf:[],moof:[],moov:[],mp4a:[],".mp3":[],mvex:[],mvhd:[],pasp:[],sdtp:[],stbl:[],stco:[],stsc:[],stsd:[],stsz:[],stts:[],tfdt:[],tfhd:[],traf:[],trak:[],trun:[],trex:[],tkhd:[],vmhd:[],smhd:[]},t.types)t.types.hasOwnProperty(e)&&(t.types[e]=[e.charCodeAt(0),e.charCodeAt(1),e.charCodeAt(2),e.charCodeAt(3)]);var r=new Uint8Array([0,0,0,0,0,0,0,0,118,105,100,101,0,0,0,0,0,0,0,0,0,0,0,0,86,105,100,101,111,72,97,110,100,108,101,114,0]),i=new Uint8Array([0,0,0,0,0,0,0,0,115,111,117,110,0,0,0,0,0,0,0,0,0,0,0,0,83,111,117,110,100,72,97,110,100,108,101,114,0]);t.HDLR_TYPES={video:r,audio:i};var n=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),s=new Uint8Array([0,0,0,0,0,0,0,0]);t.STTS=t.STSC=t.STCO=s,t.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),t.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0]),t.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),t.STSD=new Uint8Array([0,0,0,0,0,0,0,1]);var a=new Uint8Array([105,115,111,109]),o=new Uint8Array([97,118,99,49]),l=new Uint8Array([0,0,0,1]);t.FTYP=t.box(t.types.ftyp,a,l,a,o),t.DINF=t.box(t.types.dinf,t.box(t.types.dref,n))},t.box=function(t){for(var e=8,r=arguments.length,i=new Array(r>1?r-1:0),n=1;n<r;n++)i[n-1]=arguments[n];var s=i.length,a=s;while(s--)e+=i[s].byteLength;var o=new Uint8Array(e);for(o[0]=e>>24&255,o[1]=e>>16&255,o[2]=e>>8&255,o[3]=255&e,o.set(t,4),s=0,e=8;s<a;s++)o.set(i[s],e),e+=i[s].byteLength;return o},t.hdlr=function(e){return t.box(t.types.hdlr,t.HDLR_TYPES[e])},t.mdat=function(e){return t.box(t.types.mdat,e)},t.mdhd=function(e,r){r*=e;var n=Math.floor(r/(i+1)),s=Math.floor(r%(i+1));return t.box(t.types.mdhd,new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,e>>24&255,e>>16&255,e>>8&255,255&e,n>>24,n>>16&255,n>>8&255,255&n,s>>24,s>>16&255,s>>8&255,255&s,85,196,0,0]))},t.mdia=function(e){return t.box(t.types.mdia,t.mdhd(e.timescale,e.duration),t.hdlr(e.type),t.minf(e))},t.mfhd=function(e){return t.box(t.types.mfhd,new Uint8Array([0,0,0,0,e>>24,e>>16&255,e>>8&255,255&e]))},t.minf=function(e){return"audio"===e.type?t.box(t.types.minf,t.box(t.types.smhd,t.SMHD),t.DINF,t.stbl(e)):t.box(t.types.minf,t.box(t.types.vmhd,t.VMHD),t.DINF,t.stbl(e))},t.moof=function(e,r,i){return t.box(t.types.moof,t.mfhd(e),t.traf(i,r))},t.moov=function(e){var r=e.length,i=[];while(r--)i[r]=t.trak(e[r]);return t.box.apply(null,[t.types.moov,t.mvhd(e[0].timescale,e[0].duration)].concat(i).concat(t.mvex(e)))},t.mvex=function(e){var r=e.length,i=[];while(r--)i[r]=t.trex(e[r]);return t.box.apply(null,[t.types.mvex].concat(i))},t.mvhd=function(e,r){r*=e;var n=Math.floor(r/(i+1)),s=Math.floor(r%(i+1)),a=new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,e>>24&255,e>>16&255,e>>8&255,255&e,n>>24,n>>16&255,n>>8&255,255&n,s>>24,s>>16&255,s>>8&255,255&s,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 t.box(t.types.mvhd,a)},t.sdtp=function(e){var r,i,n=e.samples||[],s=new Uint8Array(4+n.length);for(r=0;r<n.length;r++)i=n[r].flags,s[r+4]=i.dependsOn<<4|i.isDependedOn<<2|i.hasRedundancy;return t.box(t.types.sdtp,s)},t.stbl=function(e){return t.box(t.types.stbl,t.stsd(e),t.box(t.types.stts,t.STTS),t.box(t.types.stsc,t.STSC),t.box(t.types.stsz,t.STSZ),t.box(t.types.stco,t.STCO))},t.avc1=function(e){var r,i,n,s=[],a=[];for(r=0;r<e.sps.length;r++)i=e.sps[r],n=i.byteLength,s.push(n>>>8&255),s.push(255&n),s=s.concat(Array.prototype.slice.call(i));for(r=0;r<e.pps.length;r++)i=e.pps[r],n=i.byteLength,a.push(n>>>8&255),a.push(255&n),a=a.concat(Array.prototype.slice.call(i));var o=t.box(t.types.avcC,new Uint8Array([1,s[3],s[4],s[5],255,224|e.sps.length].concat(s).concat([e.pps.length]).concat(a))),l=e.width,u=e.height,c=e.pixelRatio[0],d=e.pixelRatio[1];return t.box(t.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,l>>8&255,255&l,u>>8&255,255&u,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]),o,t.box(t.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])),t.box(t.types.pasp,new Uint8Array([c>>24,c>>16&255,c>>8&255,255&c,d>>24,d>>16&255,d>>8&255,255&d])))},t.esds=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]))},t.mp4a=function(e){var r=e.samplerate;return t.box(t.types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]),t.box(t.types.esds,t.esds(e)))},t.mp3=function(e){var r=e.samplerate;return t.box(t.types[".mp3"],new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]))},t.stsd=function(e){return"audio"===e.type?e.isAAC||"mp3"!==e.codec?t.box(t.types.stsd,t.STSD,t.mp4a(e)):t.box(t.types.stsd,t.STSD,t.mp3(e)):t.box(t.types.stsd,t.STSD,t.avc1(e))},t.tkhd=function(e){var r=e.id,n=e.duration*e.timescale,s=e.width,a=e.height,o=Math.floor(n/(i+1)),l=Math.floor(n%(i+1));return t.box(t.types.tkhd,new Uint8Array([1,0,0,7,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,r>>24&255,r>>16&255,r>>8&255,255&r,0,0,0,0,o>>24,o>>16&255,o>>8&255,255&o,l>>24,l>>16&255,l>>8&255,255&l,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,s>>8&255,255&s,0,0,a>>8&255,255&a,0,0]))},t.traf=function(e,r){var n=t.sdtp(e),s=e.id,a=Math.floor(r/(i+1)),o=Math.floor(r%(i+1));return t.box(t.types.traf,t.box(t.types.tfhd,new Uint8Array([0,0,0,0,s>>24,s>>16&255,s>>8&255,255&s])),t.box(t.types.tfdt,new Uint8Array([1,0,0,0,a>>24,a>>16&255,a>>8&255,255&a,o>>24,o>>16&255,o>>8&255,255&o])),t.trun(e,n.length+16+20+8+16+8+8),n)},t.trak=function(e){return e.duration=e.duration||4294967295,t.box(t.types.trak,t.tkhd(e),t.mdia(e))},t.trex=function(e){var r=e.id;return t.box(t.types.trex,new Uint8Array([0,0,0,0,r>>24,r>>16&255,r>>8&255,255&r,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]))},t.trun=function(e,r){var i,n,s,a,o,l,u=e.samples||[],c=u.length,d=12+16*c,h=new Uint8Array(d);for(r+=8+d,h.set([0,0,15,1,c>>>24&255,c>>>16&255,c>>>8&255,255&c,r>>>24&255,r>>>16&255,r>>>8&255,255&r],0),i=0;i<c;i++)n=u[i],s=n.duration,a=n.size,o=n.flags,l=n.cts,h.set([s>>>24&255,s>>>16&255,s>>>8&255,255&s,a>>>24&255,a>>>16&255,a>>>8&255,255&a,o.isLeading<<2|o.dependsOn,o.isDependedOn<<6|o.hasRedundancy<<4|o.paddingValue<<1|o.isNonSync,61440&o.degradPrio,15&o.degradPrio,l>>>24&255,l>>>16&255,l>>>8&255,255&l],12+16*i);return t.box(t.types.trun,h)},t.initSegment=function(e){t.types||t.init();var r=t.moov(e),i=new Uint8Array(t.FTYP.byteLength+r.byteLength);return i.set(t.FTYP),i.set(r,t.FTYP.byteLength),i},t}();n.types=void 0,n.HDLR_TYPES=void 0,n.STTS=void 0,n.STSC=void 0,n.STCO=void 0,n.STSZ=void 0,n.VMHD=void 0,n.SMHD=void 0,n.STSD=void 0,n.FTYP=void 0,n.DINF=void 0,e["default"]=n},"./src/remux/mp4-remuxer.ts":
    242. 

  242. /*!**********************************!*\
    243. 

  243.   !*** ./src/remux/mp4-remuxer.ts ***!
    244. 

  244.   \**********************************/
    245. 

  245. /*! exports provided: default, normalizePts */function(t,e,r){"use strict";r.r(e),r.d(e,"default",(function(){return y})),r.d(e,"normalizePts",(function(){return E}));var i=r(/*! ./src/polyfills/number */"./src/polyfills/number.ts"),n=r(/*! ./aac-helper */"./src/remux/aac-helper.ts"),s=r(/*! ./mp4-generator */"./src/remux/mp4-generator.ts"),a=r(/*! ../events */"./src/events.ts"),o=r(/*! ../errors */"./src/errors.ts"),l=r(/*! ../utils/logger */"./src/utils/logger.ts"),u=r(/*! ../types/loader */"./src/types/loader.ts"),c=r(/*! ../utils/timescale-conversion */"./src/utils/timescale-conversion.ts");function d(){return d=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var r=arguments[e];for(var i in r)Object.prototype.hasOwnProperty.call(r,i)&&(t[i]=r[i])}return t},d.apply(this,arguments)}var h=1e4,f=1024,g=1152,v=null,p=null,m=!1,y=function(){function t(t,e,r,i){if(void 0===i&&(i=""),this.observer=void 0,this.config=void 0,this.typeSupported=void 0,this.ISGenerated=!1,this._initPTS=void 0,this._initDTS=void 0,this.nextAvcDts=null,this.nextAudioPts=null,this.isAudioContiguous=!1,this.isVideoContiguous=!1,this.observer=t,this.config=e,this.typeSupported=r,this.ISGenerated=!1,null===v){var n=navigator.userAgent||"",s=n.match(/Chrome\/(\d+)/i);v=s?parseInt(s[1]):0}if(null===p){var a=navigator.userAgent.match(/Safari\/(\d+)/i);p=a?parseInt(a[1]):0}m=!!v&&v<75||!!p&&p<600}var e=t.prototype;return e.destroy=function(){},e.resetTimeStamp=function(t){l["logger"].log("[mp4-remuxer]: initPTS & initDTS reset"),this._initPTS=this._initDTS=t},e.resetNextTimestamp=function(){l["logger"].log("[mp4-remuxer]: reset next timestamp"),this.isVideoContiguous=!1,this.isAudioContiguous=!1},e.resetInitSegment=function(){l["logger"].log("[mp4-remuxer]: ISGenerated flag reset"),this.ISGenerated=!1},e.getVideoStartPts=function(t){var e=!1,r=t.reduce((function(t,r){var i=r.pts-t;return i<-4294967296?(e=!0,E(t,r.pts)):i>0?t:r.pts}),t[0].pts);return e&&l["logger"].debug("PTS rollover detected"),r},e.remux=function(t,e,r,i,n,s,a,o){var c,d,h,f,g,v,p=n,m=n,y=t.pid>-1,S=e.pid>-1,b=e.samples.length,L=t.samples.length>0,A=b>1,D=(!y||L)&&(!S||A)||this.ISGenerated||a;if(D){this.ISGenerated||(h=this.generateIS(t,e,n));var k=this.isVideoContiguous,R=-1;if(A&&(R=T(e.samples),!k&&this.config.forceKeyFrameOnDiscontinuity))if(v=!0,R>0){l["logger"].warn("[mp4-remuxer]: Dropped "+R+" out of "+b+" video samples due to a missing keyframe");var I=this.getVideoStartPts(e.samples);e.samples=e.samples.slice(R),e.dropped+=R,m+=(e.samples[0].pts-I)/(e.timescale||9e4)}else-1===R&&(l["logger"].warn("[mp4-remuxer]: No keyframe found out of "+b+" video samples"),v=!1);if(this.ISGenerated){if(L&&A){var _=this.getVideoStartPts(e.samples),C=E(t.samples[0].pts,_)-_,O=C/e.inputTimeScale;p+=Math.max(0,O),m+=Math.max(0,-O)}if(L){if(t.samplerate||(l["logger"].warn("[mp4-remuxer]: regenerate InitSegment as audio detected"),h=this.generateIS(t,e,n)),d=this.remuxAudio(t,p,this.isAudioContiguous,s,S||A||o===u["PlaylistLevelType"].AUDIO?m:void 0),A){var w=d?d.endPTS-d.startPTS:0;e.inputTimeScale||(l["logger"].warn("[mp4-remuxer]: regenerate InitSegment as video detected"),h=this.generateIS(t,e,n)),c=this.remuxVideo(e,m,k,w)}}else A&&(c=this.remuxVideo(e,m,k,0));c&&(c.firstKeyFrame=R,c.independent=-1!==R)}}return this.ISGenerated&&(r.samples.length&&(g=this.remuxID3(r,n)),i.samples.length&&(f=this.remuxText(i,n))),{audio:d,video:c,initSegment:h,independent:v,text:f,id3:g}},e.generateIS=function(t,e,r){var n,a,o,l=t.samples,u=e.samples,c=this.typeSupported,d={},h=!Object(i["isFiniteNumber"])(this._initPTS),f="audio/mp4";if(h&&(n=a=1/0),t.config&&l.length&&(t.timescale=t.samplerate,t.isAAC||(c.mpeg?(f="audio/mpeg",t.codec=""):c.mp3&&(t.codec="mp3")),d.audio={id:"audio",container:f,codec:t.codec,initSegment:!t.isAAC&&c.mpeg?new Uint8Array(0):s["default"].initSegment([t]),metadata:{channelCount:t.channelCount}},h&&(o=t.inputTimeScale,n=a=l[0].pts-Math.round(o*r))),e.sps&&e.pps&&u.length&&(e.timescale=e.inputTimeScale,d.video={id:"main",container:"video/mp4",codec:e.codec,initSegment:s["default"].initSegment([e]),metadata:{width:e.width,height:e.height}},h)){o=e.inputTimeScale;var g=this.getVideoStartPts(u),v=Math.round(o*r);a=Math.min(a,E(u[0].dts,g)-v),n=Math.min(n,g-v)}if(Object.keys(d).length)return this.ISGenerated=!0,h&&(this._initPTS=n,this._initDTS=a),{tracks:d,initPTS:n,timescale:o}},e.remuxVideo=function(t,e,r,i){var n,u,h,f=t.inputTimeScale,g=t.samples,p=[],y=g.length,T=this._initPTS,b=this.nextAvcDts,L=8,A=Number.POSITIVE_INFINITY,D=Number.NEGATIVE_INFINITY,k=0,R=!1;if(!r||null===b){var I=e*f,_=g[0].pts-E(g[0].dts,g[0].pts);b=I-_}for(var C=0;C<y;C++){var O=g[C];if(O.pts=E(O.pts-T,b),O.dts=E(O.dts-T,b),O.dts>O.pts){var w=18e3;k=Math.max(Math.min(k,O.pts-O.dts),-1*w)}O.dts<g[C>0?C-1:C].dts&&(R=!0)}R&&g.sort((function(t,e){var r=t.dts-e.dts,i=t.pts-e.pts;return r||i})),u=g[0].dts,h=g[g.length-1].dts;var x=Math.round((h-u)/(y-1));if(k<0){if(k<-2*x){l["logger"].warn("PTS < DTS detected in video samples, offsetting DTS from PTS by "+Object(c["toMsFromMpegTsClock"])(-x,!0)+" ms");for(var P=k,F=0;F<y;F++)g[F].dts=P=Math.max(P,g[F].pts-x),g[F].pts=Math.max(P,g[F].pts)}else{l["logger"].warn("PTS < DTS detected in video samples, shifting DTS by "+Object(c["toMsFromMpegTsClock"])(k,!0)+" ms to overcome this issue");for(var M=0;M<y;M++)g[M].dts=g[M].dts+k}u=g[0].dts}if(r){var N=u-b,U=N>x,B=N<-1;if(U||B){U?l["logger"].warn("AVC: "+Object(c["toMsFromMpegTsClock"])(N,!0)+" ms ("+N+"dts) hole between fragments detected, filling it"):l["logger"].warn("AVC: "+Object(c["toMsFromMpegTsClock"])(-N,!0)+" ms ("+N+"dts) overlapping between fragments detected"),u=b;var G=g[0].pts-N;g[0].dts=u,g[0].pts=G,l["logger"].log("Video: First PTS/DTS adjusted: "+Object(c["toMsFromMpegTsClock"])(G,!0)+"/"+Object(c["toMsFromMpegTsClock"])(u,!0)+", delta: "+Object(c["toMsFromMpegTsClock"])(N,!0)+" ms")}}m&&(u=Math.max(0,u));for(var j=0,K=0,H=0;H<y;H++){for(var V=g[H],W=V.units,Y=W.length,q=0,X=0;X<Y;X++)q+=W[X].data.length;K+=q,j+=Y,V.length=q,V.dts=Math.max(V.dts,u),V.pts=Math.max(V.pts,V.dts,0),A=Math.min(V.pts,A),D=Math.max(V.pts,D)}h=g[y-1].dts;var z,Q=K+4*j+8;try{z=new Uint8Array(Q)}catch(pt){return void this.observer.emit(a["Events"].ERROR,a["Events"].ERROR,{type:o["ErrorTypes"].MUX_ERROR,details:o["ErrorDetails"].REMUX_ALLOC_ERROR,fatal:!1,bytes:Q,reason:"fail allocating video mdat "+Q})}var $=new DataView(z.buffer);$.setUint32(0,Q),z.set(s["default"].types.mdat,4);for(var J=0;J<y;J++){for(var Z=g[J],tt=Z.units,et=0,rt=0,it=tt.length;rt<it;rt++){var nt=tt[rt],st=nt.data,at=nt.data.byteLength;$.setUint32(L,at),L+=4,z.set(st,L),L+=at,et+=4+at}if(J<y-1)n=g[J+1].dts-Z.dts;else{var ot=this.config,lt=Z.dts-g[J>0?J-1:J].dts;if(ot.stretchShortVideoTrack&&null!==this.nextAudioPts){var ut=Math.floor(ot.maxBufferHole*f),ct=(i?A+i*f:this.nextAudioPts)-Z.pts;ct>ut?(n=ct-lt,n<0&&(n=lt),l["logger"].log("[mp4-remuxer]: It is approximately "+ct/90+" ms to the next segment; using duration "+n/90+" ms for the last video frame.")):n=lt}else n=lt}var dt=Math.round(Z.pts-Z.dts);p.push(new S(Z.key,n,et,dt))}if(p.length&&v&&v<70){var ht=p[0].flags;ht.dependsOn=2,ht.isNonSync=0}console.assert(void 0!==n,"mp4SampleDuration must be computed"),this.nextAvcDts=b=h+n,this.isVideoContiguous=!0;var ft=s["default"].moof(t.sequenceNumber++,u,d({},t,{samples:p})),gt="video",vt={data1:ft,data2:z,startPTS:A/f,endPTS:(D+n)/f,startDTS:u/f,endDTS:b/f,type:gt,hasAudio:!1,hasVideo:!0,nb:p.length,dropped:t.dropped};return t.samples=[],t.dropped=0,console.assert(z.length,"MDAT length must not be zero"),vt},e.remuxAudio=function(t,e,r,i,u){var c=t.inputTimeScale,v=t.samplerate?t.samplerate:c,p=c/v,m=t.isAAC?f:g,y=m*p,T=this._initPTS,b=!t.isAAC&&this.typeSupported.mpeg,L=[],A=t.samples,D=b?0:8,k=this.nextAudioPts||-1,R=e*c;if(this.isAudioContiguous=r=r||A.length&&k>0&&(i&&Math.abs(R-k)<9e3||Math.abs(E(A[0].pts-T,R)-k)<20*y),A.forEach((function(t){t.pts=E(t.pts-T,R)})),!r||k<0){if(A=A.filter((function(t){return t.pts>=0})),!A.length)return;k=0===u?0:i?Math.max(0,R):A[0].pts}if(t.isAAC)for(var I=void 0!==u,_=this.config.maxAudioFramesDrift,C=0,O=k;C<A.length;C++){var w=A[C],x=w.pts,P=x-O,F=Math.abs(1e3*P/c);if(P<=-_*y&&I)0===C&&(l["logger"].warn("Audio frame @ "+(x/c).toFixed(3)+"s overlaps nextAudioPts by "+Math.round(1e3*P/c)+" ms."),this.nextAudioPts=k=O=x);else if(P>=_*y&&F<h&&I){var M=Math.round(P/y);O=x-M*y,O<0&&(M--,O+=y),0===C&&(this.nextAudioPts=k=O),l["logger"].warn("[mp4-remuxer]: Injecting "+M+" audio frame @ "+(O/c).toFixed(3)+"s due to "+Math.round(1e3*P/c)+" ms gap.");for(var N=0;N<M;N++){var U=Math.max(O,0),B=n["default"].getSilentFrame(t.manifestCodec||t.codec,t.channelCount);B||(l["logger"].log("[mp4-remuxer]: Unable to get silent frame for given audio codec; duplicating last frame instead."),B=w.unit.subarray()),A.splice(C,0,{unit:B,pts:U}),O+=y,C++}}w.pts=O,O+=y}var G,j=null,K=null,H=0,V=A.length;while(V--)H+=A[V].unit.byteLength;for(var W=0,Y=A.length;W<Y;W++){var q=A[W],X=q.unit,z=q.pts;if(null!==K){var Q=L[W-1];Q.duration=Math.round((z-K)/p)}else{if(r&&t.isAAC&&(z=k),j=z,!(H>0))return;H+=D;try{G=new Uint8Array(H)}catch(at){return void this.observer.emit(a["Events"].ERROR,a["Events"].ERROR,{type:o["ErrorTypes"].MUX_ERROR,details:o["ErrorDetails"].REMUX_ALLOC_ERROR,fatal:!1,bytes:H,reason:"fail allocating audio mdat "+H})}if(!b){var $=new DataView(G.buffer);$.setUint32(0,H),G.set(s["default"].types.mdat,4)}}G.set(X,D);var J=X.byteLength;D+=J,L.push(new S(!0,m,J,0)),K=z}var Z=L.length;if(Z){var tt=L[L.length-1];this.nextAudioPts=k=K+p*tt.duration;var et=b?new Uint8Array(0):s["default"].moof(t.sequenceNumber++,j/p,d({},t,{samples:L}));t.samples=[];var rt=j/c,it=k/c,nt="audio",st={data1:et,data2:G,startPTS:rt,endPTS:it,startDTS:rt,endDTS:it,type:nt,hasAudio:!0,hasVideo:!1,nb:Z};return this.isAudioContiguous=!0,console.assert(G.length,"MDAT length must not be zero"),st}},e.remuxEmptyAudio=function(t,e,r,i){var s=t.inputTimeScale,a=t.samplerate?t.samplerate:s,o=s/a,u=this.nextAudioPts,c=(null!==u?u:i.startDTS*s)+this._initDTS,d=i.endDTS*s+this._initDTS,h=o*f,g=Math.ceil((d-c)/h),v=n["default"].getSilentFrame(t.manifestCodec||t.codec,t.channelCount);if(l["logger"].warn("[mp4-remuxer]: remux empty Audio"),v){for(var p=[],m=0;m<g;m++){var y=c+m*h;p.push({unit:v,pts:y,dts:y})}return t.samples=p,this.remuxAudio(t,e,r,!1)}l["logger"].trace("[mp4-remuxer]: Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec")},e.remuxID3=function(t,e){var r=t.samples.length;if(r){for(var i=t.inputTimeScale,n=this._initPTS,s=this._initDTS,a=0;a<r;a++){var o=t.samples[a];o.pts=E(o.pts-n,e*i)/i,o.dts=E(o.dts-s,e*i)/i}var l=t.samples;return t.samples=[],{samples:l}}},e.remuxText=function(t,e){var r=t.samples.length;if(r){for(var i=t.inputTimeScale,n=this._initPTS,s=0;s<r;s++){var a=t.samples[s];a.pts=E(a.pts-n,e*i)/i}t.samples.sort((function(t,e){return t.pts-e.pts}));var o=t.samples;return t.samples=[],{samples:o}}},t}();function E(t,e){var r;if(null===e)return t;r=e<t?-8589934592:8589934592;while(Math.abs(t-e)>4294967296)t+=r;return t}function T(t){for(var e=0;e<t.length;e++)if(t[e].key)return e;return-1}var S=function(t,e,r,i){this.size=void 0,this.duration=void 0,this.cts=void 0,this.flags=void 0,this.duration=e,this.size=r,this.cts=i,this.flags=new b(t)},b=function(t){this.isLeading=0,this.isDependedOn=0,this.hasRedundancy=0,this.degradPrio=0,this.dependsOn=1,this.isNonSync=1,this.dependsOn=t?2:1,this.isNonSync=t?0:1}},"./src/remux/passthrough-remuxer.ts":
    246. 

  246. /*!******************************************!*\
    247. 

  247.   !*** ./src/remux/passthrough-remuxer.ts ***!
    248. 

  248.   \******************************************/
    249. 

  249. /*! exports provided: default */function(t,e,r){"use strict";r.r(e);var i=r(/*! ./src/polyfills/number */"./src/polyfills/number.ts"),n=r(/*! ../utils/mp4-tools */"./src/utils/mp4-tools.ts"),s=r(/*! ../loader/fragment */"./src/loader/fragment.ts"),a=r(/*! ../utils/logger */"./src/utils/logger.ts"),o=function(){function t(){this.emitInitSegment=!1,this.audioCodec=void 0,this.videoCodec=void 0,this.initData=void 0,this.initPTS=void 0,this.initTracks=void 0,this.lastEndDTS=null}var e=t.prototype;return e.destroy=function(){},e.resetTimeStamp=function(t){this.initPTS=t,this.lastEndDTS=null},e.resetNextTimestamp=function(){this.lastEndDTS=null},e.resetInitSegment=function(t,e,r){this.audioCodec=e,this.videoCodec=r,this.generateInitSegment(t),this.emitInitSegment=!0},e.generateInitSegment=function(t){var e=this.audioCodec,r=this.videoCodec;if(!t||!t.byteLength)return this.initTracks=void 0,void(this.initData=void 0);var i=this.initData=Object(n["parseInitSegment"])(t);e||(e=u(i.audio,s["ElementaryStreamTypes"].AUDIO)),r||(r=u(i.video,s["ElementaryStreamTypes"].VIDEO));var o={};i.audio&&i.video?o.audiovideo={container:"video/mp4",codec:e+","+r,initSegment:t,id:"main"}:i.audio?o.audio={container:"audio/mp4",codec:e,initSegment:t,id:"audio"}:i.video?o.video={container:"video/mp4",codec:r,initSegment:t,id:"main"}:a["logger"].warn("[passthrough-remuxer.ts]: initSegment does not contain moov or trak boxes."),this.initTracks=o},e.remux=function(t,e,r,s,o){var u=this.initPTS,c=this.lastEndDTS,d={audio:void 0,video:void 0,text:s,id3:r,initSegment:void 0};Object(i["isFiniteNumber"])(c)||(c=this.lastEndDTS=o||0);var h=e.samples;if(!h||!h.length)return d;var f={initPTS:void 0,timescale:1},g=this.initData;if(g&&g.length||(this.generateInitSegment(h),g=this.initData),!g||!g.length)return a["logger"].warn("[passthrough-remuxer.ts]: Failed to generate initSegment."),d;this.emitInitSegment&&(f.tracks=this.initTracks,this.emitInitSegment=!1),Object(i["isFiniteNumber"])(u)||(this.initPTS=f.initPTS=u=l(g,h,c));var v=Object(n["getDuration"])(h,g),p=c,m=v+p;Object(n["offsetStartDTS"])(g,h,u),v>0?this.lastEndDTS=m:(a["logger"].warn("Duration parsed from mp4 should be greater than zero"),this.resetNextTimestamp());var y=!!g.audio,E=!!g.video,T="";y&&(T+="audio"),E&&(T+="video");var S={data1:h,startPTS:p,startDTS:p,endPTS:m,endDTS:m,type:T,hasAudio:y,hasVideo:E,nb:1,dropped:0};return d.audio="audio"===S.type?S:void 0,d.video="audio"!==S.type?S:void 0,d.text=s,d.id3=r,d.initSegment=f,d},t}(),l=function(t,e,r){return Object(n["getStartDTS"])(t,e)-r};function u(t,e){var r=null===t||void 0===t?void 0:t.codec;return r&&r.length>4?r:"hvc1"===r?"hvc1.1.c.L120.90":"av01"===r?"av01.0.04M.08":"avc1"===r||e===s["ElementaryStreamTypes"].VIDEO?"avc1.42e01e":"mp4a.40.5"}e["default"]=o},"./src/task-loop.ts":
    250. 

  250. /*!**************************!*\
    251. 

  251.   !*** ./src/task-loop.ts ***!
    252. 

  252.   \**************************/
    253. 

  253. /*! exports provided: default */function(t,e,r){"use strict";r.r(e),r.d(e,"default",(function(){return i}));var i=function(){function t(){this._boundTick=void 0,this._tickTimer=null,this._tickInterval=null,this._tickCallCount=0,this._boundTick=this.tick.bind(this)}var e=t.prototype;return e.destroy=function(){this.onHandlerDestroying(),this.onHandlerDestroyed()},e.onHandlerDestroying=function(){this.clearNextTick(),this.clearInterval()},e.onHandlerDestroyed=function(){},e.hasInterval=function(){return!!this._tickInterval},e.hasNextTick=function(){return!!this._tickTimer},e.setInterval=function(t){return!this._tickInterval&&(this._tickInterval=self.setInterval(this._boundTick,t),!0)},e.clearInterval=function(){return!!this._tickInterval&&(self.clearInterval(this._tickInterval),this._tickInterval=null,!0)},e.clearNextTick=function(){return!!this._tickTimer&&(self.clearTimeout(this._tickTimer),this._tickTimer=null,!0)},e.tick=function(){this._tickCallCount++,1===this._tickCallCount&&(this.doTick(),this._tickCallCount>1&&this.tickImmediate(),this._tickCallCount=0)},e.tickImmediate=function(){this.clearNextTick(),this._tickTimer=self.setTimeout(this._boundTick,0)},e.doTick=function(){},t}()},"./src/types/cmcd.ts":
    254. 

  254. /*!***************************!*\
    255. 

  255.   !*** ./src/types/cmcd.ts ***!
    256. 

  256.   \***************************/
    257. 

  257. /*! exports provided: CMCDVersion, CMCDObjectType, CMCDStreamingFormat, CMCDStreamType */function(t,e,r){"use strict";r.r(e),r.d(e,"CMCDVersion",(function(){return a})),r.d(e,"CMCDObjectType",(function(){return i})),r.d(e,"CMCDStreamingFormat",(function(){return n})),r.d(e,"CMCDStreamType",(function(){return s}));var i,n,s,a=1;(function(t){t["MANIFEST"]="m",t["AUDIO"]="a",t["VIDEO"]="v",t["MUXED"]="av",t["INIT"]="i",t["CAPTION"]="c",t["TIMED_TEXT"]="tt",t["KEY"]="k",t["OTHER"]="o"})(i||(i={})),function(t){t["DASH"]="d",t["HLS"]="h",t["SMOOTH"]="s",t["OTHER"]="o"}(n||(n={})),function(t){t["VOD"]="v",t["LIVE"]="l"}(s||(s={}))},"./src/types/level.ts":
    258. 

  258. /*!****************************!*\
    259. 

  259.   !*** ./src/types/level.ts ***!
    260. 

  260.   \****************************/
    261. 

  261. /*! exports provided: HlsSkip, getSkipValue, HlsUrlParameters, Level */function(t,e,r){"use strict";function i(t,e){for(var r=0;r<e.length;r++){var i=e[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}function n(t,e,r){return e&&i(t.prototype,e),r&&i(t,r),t}var s;function a(t,e){var r=t.canSkipUntil,i=t.canSkipDateRanges,n=t.endSN,a=void 0!==e?e-n:0;return r&&a<r?i?s.v2:s.Yes:s.No}r.r(e),r.d(e,"HlsSkip",(function(){return s})),r.d(e,"getSkipValue",(function(){return a})),r.d(e,"HlsUrlParameters",(function(){return o})),r.d(e,"Level",(function(){return l})),function(t){t["No"]="",t["Yes"]="YES",t["v2"]="v2"}(s||(s={}));var o=function(){function t(t,e,r){this.msn=void 0,this.part=void 0,this.skip=void 0,this.msn=t,this.part=e,this.skip=r}var e=t.prototype;return e.addDirectives=function(t){var e=new self.URL(t);return void 0!==this.msn&&e.searchParams.set("_HLS_msn",this.msn.toString()),void 0!==this.part&&e.searchParams.set("_HLS_part",this.part.toString()),this.skip&&e.searchParams.set("_HLS_skip",this.skip),e.toString()},t}(),l=function(){function t(t){this.attrs=void 0,this.audioCodec=void 0,this.bitrate=void 0,this.codecSet=void 0,this.height=void 0,this.id=void 0,this.name=void 0,this.videoCodec=void 0,this.width=void 0,this.unknownCodecs=void 0,this.audioGroupIds=void 0,this.details=void 0,this.fragmentError=0,this.loadError=0,this.loaded=void 0,this.realBitrate=0,this.textGroupIds=void 0,this.url=void 0,this._urlId=0,this.url=[t.url],this.attrs=t.attrs,this.bitrate=t.bitrate,t.details&&(this.details=t.details),this.id=t.id||0,this.name=t.name,this.width=t.width||0,this.height=t.height||0,this.audioCodec=t.audioCodec,this.videoCodec=t.videoCodec,this.unknownCodecs=t.unknownCodecs,this.codecSet=[t.videoCodec,t.audioCodec].filter((function(t){return t})).join(",").replace(/\.[^.,]+/g,"")}return n(t,[{key:"maxBitrate",get:function(){return Math.max(this.realBitrate,this.bitrate)}},{key:"uri",get:function(){return this.url[this._urlId]||""}},{key:"urlId",get:function(){return this._urlId},set:function(t){var e=t%this.url.length;this._urlId!==e&&(this.details=void 0,this._urlId=e)}}]),t}()},"./src/types/loader.ts":
    262. 

  262. /*!*****************************!*\
    263. 

  263.   !*** ./src/types/loader.ts ***!
    264. 

  264.   \*****************************/
    265. 

  265. /*! exports provided: PlaylistContextType, PlaylistLevelType */function(t,e,r){"use strict";var i,n;r.r(e),r.d(e,"PlaylistContextType",(function(){return i})),r.d(e,"PlaylistLevelType",(function(){return n})),function(t){t["MANIFEST"]="manifest",t["LEVEL"]="level",t["AUDIO_TRACK"]="audioTrack",t["SUBTITLE_TRACK"]="subtitleTrack"}(i||(i={})),function(t){t["MAIN"]="main",t["AUDIO"]="audio",t["SUBTITLE"]="subtitle"}(n||(n={}))},"./src/types/transmuxer.ts":
    266. 

  266. /*!*********************************!*\
    267. 

  267.   !*** ./src/types/transmuxer.ts ***!
    268. 

  268.   \*********************************/
    269. 

  269. /*! exports provided: ChunkMetadata */function(t,e,r){"use strict";r.r(e),r.d(e,"ChunkMetadata",(function(){return i}));var i=function(t,e,r,i,s,a){void 0===i&&(i=0),void 0===s&&(s=-1),void 0===a&&(a=!1),this.level=void 0,this.sn=void 0,this.part=void 0,this.id=void 0,this.size=void 0,this.partial=void 0,this.transmuxing=n(),this.buffering={audio:n(),video:n(),audiovideo:n()},this.level=t,this.sn=e,this.id=r,this.size=i,this.part=s,this.partial=a};function n(){return{start:0,executeStart:0,executeEnd:0,end:0}}},"./src/utils/attr-list.ts":
    270. 

  270. /*!********************************!*\
    271. 

  271.   !*** ./src/utils/attr-list.ts ***!
    272. 

  272.   \********************************/
    273. 

  273. /*! exports provided: AttrList */function(t,e,r){"use strict";r.r(e),r.d(e,"AttrList",(function(){return s}));var i=/^(\d+)x(\d+)$/,n=/\s*(.+?)\s*=((?:\".*?\")|.*?)(?:,|$)/g,s=function(){function t(e){for(var r in"string"===typeof e&&(e=t.parseAttrList(e)),e)e.hasOwnProperty(r)&&(this[r]=e[r])}var e=t.prototype;return e.decimalInteger=function(t){var e=parseInt(this[t],10);return e>Number.MAX_SAFE_INTEGER?1/0:e},e.hexadecimalInteger=function(t){if(this[t]){var e=(this[t]||"0x").slice(2);e=(1&e.length?"0":"")+e;for(var r=new Uint8Array(e.length/2),i=0;i<e.length/2;i++)r[i]=parseInt(e.slice(2*i,2*i+2),16);return r}return null},e.hexadecimalIntegerAsNumber=function(t){var e=parseInt(this[t],16);return e>Number.MAX_SAFE_INTEGER?1/0:e},e.decimalFloatingPoint=function(t){return parseFloat(this[t])},e.optionalFloat=function(t,e){var r=this[t];return r?parseFloat(r):e},e.enumeratedString=function(t){return this[t]},e.bool=function(t){return"YES"===this[t]},e.decimalResolution=function(t){var e=i.exec(this[t]);if(null!==e)return{width:parseInt(e[1],10),height:parseInt(e[2],10)}},t.parseAttrList=function(t){var e,r={},i='"';n.lastIndex=0;while(null!==(e=n.exec(t))){var s=e[2];0===s.indexOf(i)&&s.lastIndexOf(i)===s.length-1&&(s=s.slice(1,-1)),r[e[1]]=s}return r},t}()},"./src/utils/binary-search.ts":
    274. 

  274. /*!************************************!*\
    275. 

  275.   !*** ./src/utils/binary-search.ts ***!
    276. 

  276.   \************************************/
    277. 

  277. /*! exports provided: default */function(t,e,r){"use strict";r.r(e);var i={search:function(t,e){var r=0,i=t.length-1,n=null,s=null;while(r<=i){n=(r+i)/2|0,s=t[n];var a=e(s);if(a>0)r=n+1;else{if(!(a<0))return s;i=n-1}}return null}};e["default"]=i},"./src/utils/buffer-helper.ts":
    278. 

  278. /*!************************************!*\
    279. 

  279.   !*** ./src/utils/buffer-helper.ts ***!
    280. 

  280.   \************************************/
    281. 

  281. /*! exports provided: BufferHelper */function(t,e,r){"use strict";r.r(e),r.d(e,"BufferHelper",(function(){return s}));var i=r(/*! ./logger */"./src/utils/logger.ts"),n={length:0,start:function(){return 0},end:function(){return 0}},s=function(){function t(){}return t.isBuffered=function(e,r){try{if(e)for(var i=t.getBuffered(e),n=0;n<i.length;n++)if(r>=i.start(n)&&r<=i.end(n))return!0}catch(s){}return!1},t.bufferInfo=function(e,r,i){try{if(e){var n,s=t.getBuffered(e),a=[];for(n=0;n<s.length;n++)a.push({start:s.start(n),end:s.end(n)});return this.bufferedInfo(a,r,i)}}catch(o){}return{len:0,start:r,end:r,nextStart:void 0}},t.bufferedInfo=function(t,e,r){e=Math.max(0,e),t.sort((function(t,e){var r=t.start-e.start;return r||e.end-t.end}));var i=[];if(r)for(var n=0;n<t.length;n++){var s=i.length;if(s){var a=i[s-1].end;t[n].start-a<r?t[n].end>a&&(i[s-1].end=t[n].end):i.push(t[n])}else i.push(t[n])}else i=t;for(var o,l=0,u=e,c=e,d=0;d<i.length;d++){var h=i[d].start,f=i[d].end;if(e+r>=h&&e<f)u=h,c=f,l=c-e;else if(e+r<h){o=h;break}}return{len:l,start:u||0,end:c||0,nextStart:o}},t.getBuffered=function(t){try{return t.buffered}catch(e){return i["logger"].log("failed to get media.buffered",e),n}},t}()},"./src/utils/cea-608-parser.ts":
    282. 

  282. /*!*************************************!*\
    283. 

  283.   !*** ./src/utils/cea-608-parser.ts ***!
    284. 

  284.   \*************************************/
    285. 

  285. /*! exports provided: Row, CaptionScreen, default */function(t,e,r){"use strict";r.r(e),r.d(e,"Row",(function(){return y})),r.d(e,"CaptionScreen",(function(){return E}));var i,n=r(/*! ../utils/logger */"./src/utils/logger.ts"),s={42:225,92:233,94:237,95:243,96:250,123:231,124:247,125:209,126:241,127:9608,128:174,129:176,130:189,131:191,132:8482,133:162,134:163,135:9834,136:224,137:32,138:232,139:226,140:234,141:238,142:244,143:251,144:193,145:201,146:211,147:218,148:220,149:252,150:8216,151:161,152:42,153:8217,154:9473,155:169,156:8480,157:8226,158:8220,159:8221,160:192,161:194,162:199,163:200,164:202,165:203,166:235,167:206,168:207,169:239,170:212,171:217,172:249,173:219,174:171,175:187,176:195,177:227,178:205,179:204,180:236,181:210,182:242,183:213,184:245,185:123,186:125,187:92,188:94,189:95,190:124,191:8764,192:196,193:228,194:214,195:246,196:223,197:165,198:164,199:9475,200:197,201:229,202:216,203:248,204:9487,205:9491,206:9495,207:9499},a=function(t){var e=t;return s.hasOwnProperty(t)&&(e=s[t]),String.fromCharCode(e)},o=15,l=100,u={17:1,18:3,21:5,22:7,23:9,16:11,19:12,20:14},c={17:2,18:4,21:6,22:8,23:10,19:13,20:15},d={25:1,26:3,29:5,30:7,31:9,24:11,27:12,28:14},h={25:2,26:4,29:6,30:8,31:10,27:13,28:15},f=["white","green","blue","cyan","red","yellow","magenta","black","transparent"];(function(t){t[t["ERROR"]=0]="ERROR",t[t["TEXT"]=1]="TEXT",t[t["WARNING"]=2]="WARNING",t[t["INFO"]=2]="INFO",t[t["DEBUG"]=3]="DEBUG",t[t["DATA"]=3]="DATA"})(i||(i={}));var g=function(){function t(){this.time=null,this.verboseLevel=i.ERROR}var e=t.prototype;return e.log=function(t,e){this.verboseLevel>=t&&n["logger"].log(this.time+" ["+t+"] "+e)},t}(),v=function(t){for(var e=[],r=0;r<t.length;r++)e.push(t[r].toString(16));return e},p=function(){function t(t,e,r,i,n){this.foreground=void 0,this.underline=void 0,this.italics=void 0,this.background=void 0,this.flash=void 0,this.foreground=t||"white",this.underline=e||!1,this.italics=r||!1,this.background=i||"black",this.flash=n||!1}var e=t.prototype;return e.reset=function(){this.foreground="white",this.underline=!1,this.italics=!1,this.background="black",this.flash=!1},e.setStyles=function(t){for(var e=["foreground","underline","italics","background","flash"],r=0;r<e.length;r++){var i=e[r];t.hasOwnProperty(i)&&(this[i]=t[i])}},e.isDefault=function(){return"white"===this.foreground&&!this.underline&&!this.italics&&"black"===this.background&&!this.flash},e.equals=function(t){return this.foreground===t.foreground&&this.underline===t.underline&&this.italics===t.italics&&this.background===t.background&&this.flash===t.flash},e.copy=function(t){this.foreground=t.foreground,this.underline=t.underline,this.italics=t.italics,this.background=t.background,this.flash=t.flash},e.toString=function(){return"color="+this.foreground+", underline="+this.underline+", italics="+this.italics+", background="+this.background+", flash="+this.flash},t}(),m=function(){function t(t,e,r,i,n,s){this.uchar=void 0,this.penState=void 0,this.uchar=t||" ",this.penState=new p(e,r,i,n,s)}var e=t.prototype;return e.reset=function(){this.uchar=" ",this.penState.reset()},e.setChar=function(t,e){this.uchar=t,this.penState.copy(e)},e.setPenState=function(t){this.penState.copy(t)},e.equals=function(t){return this.uchar===t.uchar&&this.penState.equals(t.penState)},e.copy=function(t){this.uchar=t.uchar,this.penState.copy(t.penState)},e.isEmpty=function(){return" "===this.uchar&&this.penState.isDefault()},t}(),y=function(){function t(t){this.chars=void 0,this.pos=void 0,this.currPenState=void 0,this.cueStartTime=void 0,this.logger=void 0,this.chars=[];for(var e=0;e<l;e++)this.chars.push(new m);this.logger=t,this.pos=0,this.currPenState=new p}var e=t.prototype;return e.equals=function(t){for(var e=!0,r=0;r<l;r++)if(!this.chars[r].equals(t.chars[r])){e=!1;break}return e},e.copy=function(t){for(var e=0;e<l;e++)this.chars[e].copy(t.chars[e])},e.isEmpty=function(){for(var t=!0,e=0;e<l;e++)if(!this.chars[e].isEmpty()){t=!1;break}return t},e.setCursor=function(t){this.pos!==t&&(this.pos=t),this.pos<0?(this.logger.log(i.DEBUG,"Negative cursor position "+this.pos),this.pos=0):this.pos>l&&(this.logger.log(i.DEBUG,"Too large cursor position "+this.pos),this.pos=l)},e.moveCursor=function(t){var e=this.pos+t;if(t>1)for(var r=this.pos+1;r<e+1;r++)this.chars[r].setPenState(this.currPenState);this.setCursor(e)},e.backSpace=function(){this.moveCursor(-1),this.chars[this.pos].setChar(" ",this.currPenState)},e.insertChar=function(t){t>=144&&this.backSpace();var e=a(t);this.pos>=l?this.logger.log(i.ERROR,"Cannot insert "+t.toString(16)+" ("+e+") at position "+this.pos+". Skipping it!"):(this.chars[this.pos].setChar(e,this.currPenState),this.moveCursor(1))},e.clearFromPos=function(t){var e;for(e=t;e<l;e++)this.chars[e].reset()},e.clear=function(){this.clearFromPos(0),this.pos=0,this.currPenState.reset()},e.clearToEndOfRow=function(){this.clearFromPos(this.pos)},e.getTextString=function(){for(var t=[],e=!0,r=0;r<l;r++){var i=this.chars[r].uchar;" "!==i&&(e=!1),t.push(i)}return e?"":t.join("")},e.setPenStyles=function(t){this.currPenState.setStyles(t);var e=this.chars[this.pos];e.setPenState(this.currPenState)},t}(),E=function(){function t(t){this.rows=void 0,this.currRow=void 0,this.nrRollUpRows=void 0,this.lastOutputScreen=void 0,this.logger=void 0,this.rows=[];for(var e=0;e<o;e++)this.rows.push(new y(t));this.logger=t,this.currRow=o-1,this.nrRollUpRows=null,this.lastOutputScreen=null,this.reset()}var e=t.prototype;return e.reset=function(){for(var t=0;t<o;t++)this.rows[t].clear();this.currRow=o-1},e.equals=function(t){for(var e=!0,r=0;r<o;r++)if(!this.rows[r].equals(t.rows[r])){e=!1;break}return e},e.copy=function(t){for(var e=0;e<o;e++)this.rows[e].copy(t.rows[e])},e.isEmpty=function(){for(var t=!0,e=0;e<o;e++)if(!this.rows[e].isEmpty()){t=!1;break}return t},e.backSpace=function(){var t=this.rows[this.currRow];t.backSpace()},e.clearToEndOfRow=function(){var t=this.rows[this.currRow];t.clearToEndOfRow()},e.insertChar=function(t){var e=this.rows[this.currRow];e.insertChar(t)},e.setPen=function(t){var e=this.rows[this.currRow];e.setPenStyles(t)},e.moveCursor=function(t){var e=this.rows[this.currRow];e.moveCursor(t)},e.setCursor=function(t){this.logger.log(i.INFO,"setCursor: "+t);var e=this.rows[this.currRow];e.setCursor(t)},e.setPAC=function(t){this.logger.log(i.INFO,"pacData = "+JSON.stringify(t));var e=t.row-1;if(this.nrRollUpRows&&e<this.nrRollUpRows-1&&(e=this.nrRollUpRows-1),this.nrRollUpRows&&this.currRow!==e){for(var r=0;r<o;r++)this.rows[r].clear();var n=this.currRow+1-this.nrRollUpRows,s=this.lastOutputScreen;if(s){var a=s.rows[n].cueStartTime,l=this.logger.time;if(a&&null!==l&&a<l)for(var u=0;u<this.nrRollUpRows;u++)this.rows[e-this.nrRollUpRows+u+1].copy(s.rows[n+u])}}this.currRow=e;var c=this.rows[this.currRow];if(null!==t.indent){var d=t.indent,h=Math.max(d-1,0);c.setCursor(t.indent),t.color=c.chars[h].penState.foreground}var f={foreground:t.color,underline:t.underline,italics:t.italics,background:"black",flash:!1};this.setPen(f)},e.setBkgData=function(t){this.logger.log(i.INFO,"bkgData = "+JSON.stringify(t)),this.backSpace(),this.setPen(t),this.insertChar(32)},e.setRollUpRows=function(t){this.nrRollUpRows=t},e.rollUp=function(){if(null!==this.nrRollUpRows){this.logger.log(i.TEXT,this.getDisplayText());var t=this.currRow+1-this.nrRollUpRows,e=this.rows.splice(t,1)[0];e.clear(),this.rows.splice(this.currRow,0,e),this.logger.log(i.INFO,"Rolling up")}else this.logger.log(i.DEBUG,"roll_up but nrRollUpRows not set yet")},e.getDisplayText=function(t){t=t||!1;for(var e=[],r="",i=-1,n=0;n<o;n++){var s=this.rows[n].getTextString();s&&(i=n+1,t?e.push("Row "+i+": '"+s+"'"):e.push(s.trim()))}return e.length>0&&(r=t?"["+e.join(" | ")+"]":e.join("\n")),r},e.getTextAndFormat=function(){return this.rows},t}(),T=function(){function t(t,e,r){this.chNr=void 0,this.outputFilter=void 0,this.mode=void 0,this.verbose=void 0,this.displayedMemory=void 0,this.nonDisplayedMemory=void 0,this.lastOutputScreen=void 0,this.currRollUpRow=void 0,this.writeScreen=void 0,this.cueStartTime=void 0,this.logger=void 0,this.chNr=t,this.outputFilter=e,this.mode=null,this.verbose=0,this.displayedMemory=new E(r),this.nonDisplayedMemory=new E(r),this.lastOutputScreen=new E(r),this.currRollUpRow=this.displayedMemory.rows[o-1],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null,this.logger=r}var e=t.prototype;return e.reset=function(){this.mode=null,this.displayedMemory.reset(),this.nonDisplayedMemory.reset(),this.lastOutputScreen.reset(),this.outputFilter.reset(),this.currRollUpRow=this.displayedMemory.rows[o-1],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null},e.getHandler=function(){return this.outputFilter},e.setHandler=function(t){this.outputFilter=t},e.setPAC=function(t){this.writeScreen.setPAC(t)},e.setBkgData=function(t){this.writeScreen.setBkgData(t)},e.setMode=function(t){t!==this.mode&&(this.mode=t,this.logger.log(i.INFO,"MODE="+t),"MODE_POP-ON"===this.mode?this.writeScreen=this.nonDisplayedMemory:(this.writeScreen=this.displayedMemory,this.writeScreen.reset()),"MODE_ROLL-UP"!==this.mode&&(this.displayedMemory.nrRollUpRows=null,this.nonDisplayedMemory.nrRollUpRows=null),this.mode=t)},e.insertChars=function(t){for(var e=0;e<t.length;e++)this.writeScreen.insertChar(t[e]);var r=this.writeScreen===this.displayedMemory?"DISP":"NON_DISP";this.logger.log(i.INFO,r+": "+this.writeScreen.getDisplayText(!0)),"MODE_PAINT-ON"!==this.mode&&"MODE_ROLL-UP"!==this.mode||(this.logger.log(i.TEXT,"DISPLAYED: "+this.displayedMemory.getDisplayText(!0)),this.outputDataUpdate())},e.ccRCL=function(){this.logger.log(i.INFO,"RCL - Resume Caption Loading"),this.setMode("MODE_POP-ON")},e.ccBS=function(){this.logger.log(i.INFO,"BS - BackSpace"),"MODE_TEXT"!==this.mode&&(this.writeScreen.backSpace(),this.writeScreen===this.displayedMemory&&this.outputDataUpdate())},e.ccAOF=function(){},e.ccAON=function(){},e.ccDER=function(){this.logger.log(i.INFO,"DER- Delete to End of Row"),this.writeScreen.clearToEndOfRow(),this.outputDataUpdate()},e.ccRU=function(t){this.logger.log(i.INFO,"RU("+t+") - Roll Up"),this.writeScreen=this.displayedMemory,this.setMode("MODE_ROLL-UP"),this.writeScreen.setRollUpRows(t)},e.ccFON=function(){this.logger.log(i.INFO,"FON - Flash On"),this.writeScreen.setPen({flash:!0})},e.ccRDC=function(){this.logger.log(i.INFO,"RDC - Resume Direct Captioning"),this.setMode("MODE_PAINT-ON")},e.ccTR=function(){this.logger.log(i.INFO,"TR"),this.setMode("MODE_TEXT")},e.ccRTD=function(){this.logger.log(i.INFO,"RTD"),this.setMode("MODE_TEXT")},e.ccEDM=function(){this.logger.log(i.INFO,"EDM - Erase Displayed Memory"),this.displayedMemory.reset(),this.outputDataUpdate(!0)},e.ccCR=function(){this.logger.log(i.INFO,"CR - Carriage Return"),this.writeScreen.rollUp(),this.outputDataUpdate(!0)},e.ccENM=function(){this.logger.log(i.INFO,"ENM - Erase Non-displayed Memory"),this.nonDisplayedMemory.reset()},e.ccEOC=function(){if(this.logger.log(i.INFO,"EOC - End Of Caption"),"MODE_POP-ON"===this.mode){var t=this.displayedMemory;this.displayedMemory=this.nonDisplayedMemory,this.nonDisplayedMemory=t,this.writeScreen=this.nonDisplayedMemory,this.logger.log(i.TEXT,"DISP: "+this.displayedMemory.getDisplayText())}this.outputDataUpdate(!0)},e.ccTO=function(t){this.logger.log(i.INFO,"TO("+t+") - Tab Offset"),this.writeScreen.moveCursor(t)},e.ccMIDROW=function(t){var e={flash:!1};if(e.underline=t%2===1,e.italics=t>=46,e.italics)e.foreground="white";else{var r=Math.floor(t/2)-16,n=["white","green","blue","cyan","red","yellow","magenta"];e.foreground=n[r]}this.logger.log(i.INFO,"MIDROW: "+JSON.stringify(e)),this.writeScreen.setPen(e)},e.outputDataUpdate=function(t){void 0===t&&(t=!1);var e=this.logger.time;null!==e&&this.outputFilter&&(null!==this.cueStartTime||this.displayedMemory.isEmpty()?this.displayedMemory.equals(this.lastOutputScreen)||(this.outputFilter.newCue(this.cueStartTime,e,this.lastOutputScreen),t&&this.outputFilter.dispatchCue&&this.outputFilter.dispatchCue(),this.cueStartTime=this.displayedMemory.isEmpty()?null:e):this.cueStartTime=e,this.lastOutputScreen.copy(this.displayedMemory))},e.cueSplitAtTime=function(t){this.outputFilter&&(this.displayedMemory.isEmpty()||(this.outputFilter.newCue&&this.outputFilter.newCue(this.cueStartTime,t,this.displayedMemory),this.cueStartTime=t))},t}(),S=function(){function t(t,e,r){this.channels=void 0,this.currentChannel=0,this.cmdHistory=void 0,this.logger=void 0;var i=new g;this.channels=[null,new T(t,e,i),new T(t+1,r,i)],this.cmdHistory=A(),this.logger=i}var e=t.prototype;return e.getHandler=function(t){return this.channels[t].getHandler()},e.setHandler=function(t,e){this.channels[t].setHandler(e)},e.addData=function(t,e){var r,n,s,a=!1;this.logger.time=t;for(var o=0;o<e.length;o+=2)if(n=127&e[o],s=127&e[o+1],0!==n||0!==s){if(this.logger.log(i.DATA,"["+v([e[o],e[o+1]])+"] -> ("+v([n,s])+")"),r=this.parseCmd(n,s),r||(r=this.parseMidrow(n,s)),r||(r=this.parsePAC(n,s)),r||(r=this.parseBackgroundAttributes(n,s)),!r&&(a=this.parseChars(n,s),a)){var l=this.currentChannel;if(l&&l>0){var u=this.channels[l];u.insertChars(a)}else this.logger.log(i.WARNING,"No channel found yet. TEXT-MODE?")}r||a||this.logger.log(i.WARNING,"Couldn't parse cleaned data "+v([n,s])+" orig: "+v([e[o],e[o+1]]))}},e.parseCmd=function(t,e){var r=this.cmdHistory,n=(20===t||28===t||21===t||29===t)&&e>=32&&e<=47,s=(23===t||31===t)&&e>=33&&e<=35;if(!n&&!s)return!1;if(L(t,e,r))return b(null,null,r),this.logger.log(i.DEBUG,"Repeated command ("+v([t,e])+") is dropped"),!0;var a=20===t||21===t||23===t?1:2,o=this.channels[a];return 20===t||21===t||28===t||29===t?32===e?o.ccRCL():33===e?o.ccBS():34===e?o.ccAOF():35===e?o.ccAON():36===e?o.ccDER():37===e?o.ccRU(2):38===e?o.ccRU(3):39===e?o.ccRU(4):40===e?o.ccFON():41===e?o.ccRDC():42===e?o.ccTR():43===e?o.ccRTD():44===e?o.ccEDM():45===e?o.ccCR():46===e?o.ccENM():47===e&&o.ccEOC():o.ccTO(e-32),b(t,e,r),this.currentChannel=a,!0},e.parseMidrow=function(t,e){var r=0;if((17===t||25===t)&&e>=32&&e<=47){if(r=17===t?1:2,r!==this.currentChannel)return this.logger.log(i.ERROR,"Mismatch channel in midrow parsing"),!1;var n=this.channels[r];return!!n&&(n.ccMIDROW(e),this.logger.log(i.DEBUG,"MIDROW ("+v([t,e])+")"),!0)}return!1},e.parsePAC=function(t,e){var r,i=this.cmdHistory,n=(t>=17&&t<=23||t>=25&&t<=31)&&e>=64&&e<=127,s=(16===t||24===t)&&e>=64&&e<=95;if(!n&&!s)return!1;if(L(t,e,i))return b(null,null,i),!0;var a=t<=23?1:2;r=e>=64&&e<=95?1===a?u[t]:d[t]:1===a?c[t]:h[t];var o=this.channels[a];return!!o&&(o.setPAC(this.interpretPAC(r,e)),b(t,e,i),this.currentChannel=a,!0)},e.interpretPAC=function(t,e){var r,i={color:null,italics:!1,indent:null,underline:!1,row:t};return r=e>95?e-96:e-64,i.underline=1===(1&r),r<=13?i.color=["white","green","blue","cyan","red","yellow","magenta","white"][Math.floor(r/2)]:r<=15?(i.italics=!0,i.color="white"):i.indent=4*Math.floor((r-16)/2),i},e.parseChars=function(t,e){var r,n,s=null,o=null;(t>=25?(r=2,o=t-8):(r=1,o=t),o>=17&&o<=19)?(n=17===o?e+80:18===o?e+112:e+144,this.logger.log(i.INFO,"Special char '"+a(n)+"' in channel "+r),s=[n]):t>=32&&t<=127&&(s=0===e?[t]:[t,e]);if(s){var l=v(s);this.logger.log(i.DEBUG,"Char codes =  "+l.join(",")),b(t,e,this.cmdHistory)}return s},e.parseBackgroundAttributes=function(t,e){var r,i=(16===t||24===t)&&e>=32&&e<=47,n=(23===t||31===t)&&e>=45&&e<=47;if(!i&&!n)return!1;var s={};16===t||24===t?(r=Math.floor((e-32)/2),s.background=f[r],e%2===1&&(s.background=s.background+"_semi")):45===e?s.background="transparent":(s.foreground="black",47===e&&(s.underline=!0));var a=t<=23?1:2,o=this.channels[a];return o.setBkgData(s),b(t,e,this.cmdHistory),!0},e.reset=function(){for(var t=0;t<Object.keys(this.channels).length;t++){var e=this.channels[t];e&&e.reset()}this.cmdHistory=A()},e.cueSplitAtTime=function(t){for(var e=0;e<this.channels.length;e++){var r=this.channels[e];r&&r.cueSplitAtTime(t)}},t}();function b(t,e,r){r.a=t,r.b=e}function L(t,e,r){return r.a===t&&r.b===e}function A(){return{a:null,b:null}}e["default"]=S},"./src/utils/codecs.ts":
    286. 

  286. /*!*****************************!*\
    287. 

  287.   !*** ./src/utils/codecs.ts ***!
    288. 

  288.   \*****************************/
    289. 

  289. /*! exports provided: isCodecType, isCodecSupportedInMp4 */function(t,e,r){"use strict";r.r(e),r.d(e,"isCodecType",(function(){return n})),r.d(e,"isCodecSupportedInMp4",(function(){return s}));var i={audio:{a3ds:!0,"ac-3":!0,"ac-4":!0,alac:!0,alaw:!0,dra1:!0,"dts+":!0,"dts-":!0,dtsc:!0,dtse:!0,dtsh:!0,"ec-3":!0,enca:!0,g719:!0,g726:!0,m4ae:!0,mha1:!0,mha2:!0,mhm1:!0,mhm2:!0,mlpa:!0,mp4a:!0,"raw ":!0,Opus:!0,samr:!0,sawb:!0,sawp:!0,sevc:!0,sqcp:!0,ssmv:!0,twos:!0,ulaw:!0},video:{avc1:!0,avc2:!0,avc3:!0,avc4:!0,avcp:!0,av01:!0,drac:!0,dvav:!0,dvhe:!0,encv:!0,hev1:!0,hvc1:!0,mjp2:!0,mp4v:!0,mvc1:!0,mvc2:!0,mvc3:!0,mvc4:!0,resv:!0,rv60:!0,s263:!0,svc1:!0,svc2:!0,"vc-1":!0,vp08:!0,vp09:!0},text:{stpp:!0,wvtt:!0}};function n(t,e){var r=i[e];return!!r&&!0===r[t.slice(0,4)]}function s(t,e){return MediaSource.isTypeSupported((e||"video")+'/mp4;codecs="'+t+'"')}},"./src/utils/cues.ts":
    290. 

  290. /*!***************************!*\
    291. 

  291.   !*** ./src/utils/cues.ts ***!
    292. 

  292.   \***************************/
    293. 

  293. /*! exports provided: default */function(t,e,r){"use strict";r.r(e);var i=r(/*! ./vttparser */"./src/utils/vttparser.ts"),n=r(/*! ./webvtt-parser */"./src/utils/webvtt-parser.ts"),s=r(/*! ./texttrack-utils */"./src/utils/texttrack-utils.ts"),a=/\s/,o={newCue:function(t,e,r,o){for(var l,u,c,d,h,f=[],g=self.VTTCue||self.TextTrackCue,v=0;v<o.rows.length;v++)if(l=o.rows[v],c=!0,d=0,h="",!l.isEmpty()){for(var p=0;p<l.chars.length;p++)a.test(l.chars[p].uchar)&&c?d++:(h+=l.chars[p].uchar,c=!1);l.cueStartTime=e,e===r&&(r+=1e-4),d>=16?d--:d++;var m=Object(i["fixLineBreaks"])(h.trim()),y=Object(n["generateCueId"])(e,r,m);t&&t.cues&&t.cues.getCueById(y)||(u=new g(e,r,m),u.id=y,u.line=v+1,u.align="left",u.position=10+Math.min(80,10*Math.floor(8*d/32)),f.push(u))}return t&&f.length&&(f.sort((function(t,e){return"auto"===t.line||"auto"===e.line?0:t.line>8&&e.line>8?e.line-t.line:t.line-e.line})),f.forEach((function(e){return Object(s["addCueToTrack"])(t,e)}))),f}};e["default"]=o},"./src/utils/discontinuities.ts":
    294. 

  294. /*!**************************************!*\
    295. 

  295.   !*** ./src/utils/discontinuities.ts ***!
    296. 

  296.   \**************************************/
    297. 

  297. /*! exports provided: findFirstFragWithCC, shouldAlignOnDiscontinuities, findDiscontinuousReferenceFrag, adjustSlidingStart, alignStream, alignPDT, alignFragmentByPDTDelta, alignMediaPlaylistByPDT */function(t,e,r){"use strict";r.r(e),r.d(e,"findFirstFragWithCC",(function(){return a})),r.d(e,"shouldAlignOnDiscontinuities",(function(){return o})),r.d(e,"findDiscontinuousReferenceFrag",(function(){return l})),r.d(e,"adjustSlidingStart",(function(){return c})),r.d(e,"alignStream",(function(){return d})),r.d(e,"alignPDT",(function(){return f})),r.d(e,"alignFragmentByPDTDelta",(function(){return g})),r.d(e,"alignMediaPlaylistByPDT",(function(){return v}));var i=r(/*! ./src/polyfills/number */"./src/polyfills/number.ts"),n=r(/*! ./logger */"./src/utils/logger.ts"),s=r(/*! ../controller/level-helper */"./src/controller/level-helper.ts");function a(t,e){for(var r=null,i=0,n=t.length;i<n;i++){var s=t[i];if(s&&s.cc===e){r=s;break}}return r}function o(t,e,r){return!(!e.details||!(r.endCC>r.startCC||t&&t.cc<r.startCC))}function l(t,e){var r=t.fragments,i=e.fragments;if(i.length&&r.length){var s=a(r,i[0].cc);if(s&&(!s||s.startPTS))return s;n["logger"].log("No frag in previous level to align on")}else n["logger"].log("No fragments to align")}function u(t,e){if(t){var r=t.start+e;t.start=t.startPTS=r,t.endPTS=r+t.duration}}function c(t,e){for(var r=e.fragments,i=0,n=r.length;i<n;i++)u(r[i],t);e.fragmentHint&&u(e.fragmentHint,t),e.alignedSliding=!0}function d(t,e,r){e&&(h(t,r,e),!r.alignedSliding&&e.details&&f(r,e.details),r.alignedSliding||!e.details||r.skippedSegments||Object(s["adjustSliding"])(e.details,r))}function h(t,e,r){if(o(t,r,e)){var s=l(r.details,e);s&&Object(i["isFiniteNumber"])(s.start)&&(n["logger"].log("Adjusting PTS using last level due to CC increase within current level "+e.url),c(s.start,e))}}function f(t,e){if(e.fragments.length&&t.hasProgramDateTime&&e.hasProgramDateTime){var r=e.fragments[0].programDateTime,s=t.fragments[0].programDateTime,a=(s-r)/1e3+e.fragments[0].start;a&&Object(i["isFiniteNumber"])(a)&&(n["logger"].log("Adjusting PTS using programDateTime delta "+(s-r)+"ms, sliding:"+a.toFixed(3)+" "+t.url+" "),c(a,t))}}function g(t,e){var r=t.programDateTime;if(r){var i=(r-e)/1e3;t.start=t.startPTS=i,t.endPTS=i+t.duration}}function v(t,e){if(e.fragments.length&&t.hasProgramDateTime&&e.hasProgramDateTime){var r=e.fragments[0].programDateTime,i=e.fragments[0].start,n=r-1e3*i;t.fragments.forEach((function(t){g(t,n)})),t.fragmentHint&&g(t.fragmentHint,n),t.alignedSliding=!0}}},"./src/utils/ewma-bandwidth-estimator.ts":
    298. 

  298. /*!***********************************************!*\
    299. 

  299.   !*** ./src/utils/ewma-bandwidth-estimator.ts ***!
    300. 

  300.   \***********************************************/
    301. 

  301. /*! exports provided: default */function(t,e,r){"use strict";r.r(e);var i=r(/*! ../utils/ewma */"./src/utils/ewma.ts"),n=function(){function t(t,e,r){this.defaultEstimate_=void 0,this.minWeight_=void 0,this.minDelayMs_=void 0,this.slow_=void 0,this.fast_=void 0,this.defaultEstimate_=r,this.minWeight_=.001,this.minDelayMs_=50,this.slow_=new i["default"](t),this.fast_=new i["default"](e)}var e=t.prototype;return e.update=function(t,e){var r=this.slow_,n=this.fast_;this.slow_.halfLife!==t&&(this.slow_=new i["default"](t,r.getEstimate(),r.getTotalWeight())),this.fast_.halfLife!==e&&(this.fast_=new i["default"](e,n.getEstimate(),n.getTotalWeight()))},e.sample=function(t,e){t=Math.max(t,this.minDelayMs_);var r=8*e,i=t/1e3,n=r/i;this.fast_.sample(i,n),this.slow_.sample(i,n)},e.canEstimate=function(){var t=this.fast_;return t&&t.getTotalWeight()>=this.minWeight_},e.getEstimate=function(){return this.canEstimate()?Math.min(this.fast_.getEstimate(),this.slow_.getEstimate()):this.defaultEstimate_},e.destroy=function(){},t}();e["default"]=n},"./src/utils/ewma.ts":
    302. 

  302. /*!***************************!*\
    303. 

  303.   !*** ./src/utils/ewma.ts ***!
    304. 

  304.   \***************************/
    305. 

  305. /*! exports provided: default */function(t,e,r){"use strict";r.r(e);var i=function(){function t(t,e,r){void 0===e&&(e=0),void 0===r&&(r=0),this.halfLife=void 0,this.alpha_=void 0,this.estimate_=void 0,this.totalWeight_=void 0,this.halfLife=t,this.alpha_=t?Math.exp(Math.log(.5)/t):0,this.estimate_=e,this.totalWeight_=r}var e=t.prototype;return e.sample=function(t,e){var r=Math.pow(this.alpha_,t);this.estimate_=e*(1-r)+r*this.estimate_,this.totalWeight_+=t},e.getTotalWeight=function(){return this.totalWeight_},e.getEstimate=function(){if(this.alpha_){var t=1-Math.pow(this.alpha_,this.totalWeight_);if(t)return this.estimate_/t}return this.estimate_},t}();e["default"]=i},"./src/utils/fetch-loader.ts":
    306. 

  306. /*!***********************************!*\
    307. 

  307.   !*** ./src/utils/fetch-loader.ts ***!
    308. 

  308.   \***********************************/
    309. 

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  310. /*!****************************************!*\
    311. 

  311.   !*** ./src/utils/imsc1-ttml-parser.ts ***!
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  312.   \****************************************/
    313. 

  313. /*! exports provided: IMSC1_CODEC, parseIMSC1 */function(t,e,r){"use strict";r.r(e),r.d(e,"IMSC1_CODEC",(function(){return c})),r.d(e,"parseIMSC1",(function(){return g}));var i=r(/*! ./mp4-tools */"./src/utils/mp4-tools.ts"),n=r(/*! ./vttparser */"./src/utils/vttparser.ts"),s=r(/*! ./vttcue */"./src/utils/vttcue.ts"),a=r(/*! ../demux/id3 */"./src/demux/id3.ts"),o=r(/*! ./timescale-conversion */"./src/utils/timescale-conversion.ts"),l=r(/*! ./webvtt-parser */"./src/utils/webvtt-parser.ts");function u(){return u=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var r=arguments[e];for(var i in r)Object.prototype.hasOwnProperty.call(r,i)&&(t[i]=r[i])}return t},u.apply(this,arguments)}var c="stpp.ttml.im1t",d=/^(\d{2,}):(\d{2}):(\d{2}):(\d{2})\.?(\d+)?$/,h=/^(\d*(?:\.\d*)?)(h|m|s|ms|f|t)$/,f={left:"start",center:"center",right:"end",start:"start",end:"end"};function g(t,e,r,n,s){var l=Object(i["findBox"])(new Uint8Array(t),["mdat"]);if(0!==l.length){var u=l[0],c=Object(a["utf8ArrayToStr"])(new Uint8Array(t,u.start,u.end-u.start)),d=Object(o["toTimescaleFromScale"])(e,1,r);try{n(v(c,d))}catch(h){s(h)}}else s(new Error("Could not parse IMSC1 mdat"))}function v(t,e){var r=new DOMParser,i=r.parseFromString(t,"text/xml"),n=i.getElementsByTagName("tt")[0];if(!n)throw new Error("Invalid ttml");var a={frameRate:30,subFrameRate:1,frameRateMultiplier:0,tickRate:0},o=Object.keys(a).reduce((function(t,e){return t[e]=n.getAttribute("ttp:"+e)||a[e],t}),{}),c="preserve"!==n.getAttribute("xml:space"),d=m(p(n,"styling","style")),h=m(p(n,"layout","region")),g=p(n,"body","[begin]");return[].map.call(g,(function(t){var r=y(t,c);if(!r||!t.hasAttribute("begin"))return null;var i=b(t.getAttribute("begin"),o),n=b(t.getAttribute("dur"),o),a=b(t.getAttribute("end"),o);if(null===i)throw S(t);if(null===a){if(null===n)throw S(t);a=i+n}var g=new s["default"](i-e,a-e,r);g.id=Object(l["generateCueId"])(g.startTime,g.endTime,g.text);var v=h[t.getAttribute("region")],p=d[t.getAttribute("style")];g.position=10,g.size=80;var m=E(v,p),T=m.textAlign;if(T){var L=f[T];L&&(g.lineAlign=L),g.align=T}return u(g,m),g})).filter((function(t){return null!==t}))}function p(t,e,r){var i=t.getElementsByTagName(e)[0];return i?[].slice.call(i.querySelectorAll(r)):[]}function m(t){return t.reduce((function(t,e){var r=e.getAttribute("xml:id");return r&&(t[r]=e),t}),{})}function y(t,e){return[].slice.call(t.childNodes).reduce((function(t,r,i){var n;return"br"===r.nodeName&&i?t+"\n":null!==(n=r.childNodes)&&void 0!==n&&n.length?y(r,e):e?t+r.textContent.trim().replace(/\s+/g," "):t+r.textContent}),"")}function E(t,e){var r="http://www.w3.org/ns/ttml#styling",i=["displayAlign","textAlign","color","backgroundColor","fontSize","fontFamily"];return i.reduce((function(i,n){var s=T(e,r,n)||T(t,r,n);return s&&(i[n]=s),i}),{})}function T(t,e,r){return t.hasAttributeNS(e,r)?t.getAttributeNS(e,r):null}function S(t){return new Error("Could not parse ttml timestamp "+t)}function b(t,e){if(!t)return null;var r=Object(n["parseTimeStamp"])(t);return null===r&&(d.test(t)?r=L(t,e):h.test(t)&&(r=A(t,e))),r}function L(t,e){var r=d.exec(t),i=(0|r[4])+(0|r[5])/e.subFrameRate;return 3600*(0|r[1])+60*(0|r[2])+(0|r[3])+i/e.frameRate}function A(t,e){var r=h.exec(t),i=Number(r[1]),n=r[2];switch(n){case"h":return 3600*i;case"m":return 60*i;case"ms":return 1e3*i;case"f":return i/e.frameRate;case"t":return i/e.tickRate}return i}},"./src/utils/logger.ts":
    314. 

  314. /*!*****************************!*\
    315. 

  315.   !*** ./src/utils/logger.ts ***!
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  316.   \*****************************/
    317. 

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    318. 

  318. /*!***************************************!*\
    319. 

  319.   !*** ./src/utils/mediakeys-helper.ts ***!
    320. 

  320.   \***************************************/
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    322. 

  322. /*!*****************************************!*\
    323. 

  323.   !*** ./src/utils/mediasource-helper.ts ***!
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  324.   \*****************************************/
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    326. 

  326. /*!********************************!*\
    327. 

  327.   !*** ./src/utils/mp4-tools.ts ***!
    328. 

  328.   \********************************/
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    330. 

  330. /*!************************************!*\
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  331.   !*** ./src/utils/output-filter.ts ***!
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  332.   \************************************/
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    334. 

  334. /*!**************************************!*\
    335. 

  335.   !*** ./src/utils/texttrack-utils.ts ***!
    336. 

  336.   \**************************************/
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    338. 

  338. /*!**********************************!*\
    339. 

  339.   !*** ./src/utils/time-ranges.ts ***!
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  340.   \**********************************/
    341. 

  341. /*! exports provided: default */function(t,e,r){"use strict";r.r(e);var i={toString:function(t){for(var e="",r=t.length,i=0;i<r;i++)e+="["+t.start(i).toFixed(3)+","+t.end(i).toFixed(3)+"]";return e}};e["default"]=i},"./src/utils/timescale-conversion.ts":
    342. 

  342. /*!*******************************************!*\
    343. 

  343.   !*** ./src/utils/timescale-conversion.ts ***!
    344. 

  344.   \*******************************************/
    345. 

  345. /*! exports provided: toTimescaleFromBase, toTimescaleFromScale, toMsFromMpegTsClock, toMpegTsClockFromTimescale */function(t,e,r){"use strict";r.r(e),r.d(e,"toTimescaleFromBase",(function(){return n})),r.d(e,"toTimescaleFromScale",(function(){return s})),r.d(e,"toMsFromMpegTsClock",(function(){return a})),r.d(e,"toMpegTsClockFromTimescale",(function(){return o}));var i=9e4;function n(t,e,r,i){void 0===r&&(r=1),void 0===i&&(i=!1);var n=t*e*r;return i?Math.round(n):n}function s(t,e,r,i){return void 0===r&&(r=1),void 0===i&&(i=!1),n(t,e,1/r,i)}function a(t,e){return void 0===e&&(e=!1),n(t,1e3,1/i,e)}function o(t,e){return void 0===e&&(e=1),n(t,i,1/e)}},"./src/utils/typed-array.ts":
    346. 

  346. /*!**********************************!*\
    347. 

  347.   !*** ./src/utils/typed-array.ts ***!
    348. 

  348.   \**********************************/
    349. 

  349. /*! exports provided: sliceUint8 */function(t,e,r){"use strict";function i(t,e,r){return Uint8Array.prototype.slice?t.slice(e,r):new Uint8Array(Array.prototype.slice.call(t,e,r))}r.r(e),r.d(e,"sliceUint8",(function(){return i}))},"./src/utils/vttcue.ts":
    350. 

  350. /*!*****************************!*\
    351. 

  351.   !*** ./src/utils/vttcue.ts ***!
    352. 

  352.   \*****************************/
    353. 

  353. /*! exports provided: default */function(t,e,r){"use strict";r.r(e),e["default"]=function(){if("undefined"!==typeof self&&self.VTTCue)return self.VTTCue;var t=["","lr","rl"],e=["start","middle","end","left","right"];function r(t,e){if("string"!==typeof e)return!1;if(!Array.isArray(t))return!1;var r=e.toLowerCase();return!!~t.indexOf(r)&&r}function i(e){return r(t,e)}function n(t){return r(e,t)}function s(t){for(var e=arguments.length,r=new Array(e>1?e-1:0),i=1;i<e;i++)r[i-1]=arguments[i];for(var n=1;n<arguments.length;n++){var s=arguments[n];for(var a in s)t[a]=s[a]}return t}function a(t,e,r){var a=this,o={enumerable:!0};a.hasBeenReset=!1;var l="",u=!1,c=t,d=e,h=r,f=null,g="",v=!0,p="auto",m="start",y=50,E="middle",T=50,S="middle";Object.defineProperty(a,"id",s({},o,{get:function(){return l},set:function(t){l=""+t}})),Object.defineProperty(a,"pauseOnExit",s({},o,{get:function(){return u},set:function(t){u=!!t}})),Object.defineProperty(a,"startTime",s({},o,{get:function(){return c},set:function(t){if("number"!==typeof t)throw new TypeError("Start time must be set to a number.");c=t,this.hasBeenReset=!0}})),Object.defineProperty(a,"endTime",s({},o,{get:function(){return d},set:function(t){if("number"!==typeof t)throw new TypeError("End time must be set to a number.");d=t,this.hasBeenReset=!0}})),Object.defineProperty(a,"text",s({},o,{get:function(){return h},set:function(t){h=""+t,this.hasBeenReset=!0}})),Object.defineProperty(a,"region",s({},o,{get:function(){return f},set:function(t){f=t,this.hasBeenReset=!0}})),Object.defineProperty(a,"vertical",s({},o,{get:function(){return g},set:function(t){var e=i(t);if(!1===e)throw new SyntaxError("An invalid or illegal string was specified.");g=e,this.hasBeenReset=!0}})),Object.defineProperty(a,"snapToLines",s({},o,{get:function(){return v},set:function(t){v=!!t,this.hasBeenReset=!0}})),Object.defineProperty(a,"line",s({},o,{get:function(){return p},set:function(t){if("number"!==typeof t&&"auto"!==t)throw new SyntaxError("An invalid number or illegal string was specified.");p=t,this.hasBeenReset=!0}})),Object.defineProperty(a,"lineAlign",s({},o,{get:function(){return m},set:function(t){var e=n(t);if(!e)throw new SyntaxError("An invalid or illegal string was specified.");m=e,this.hasBeenReset=!0}})),Object.defineProperty(a,"position",s({},o,{get:function(){return y},set:function(t){if(t<0||t>100)throw new Error("Position must be between 0 and 100.");y=t,this.hasBeenReset=!0}})),Object.defineProperty(a,"positionAlign",s({},o,{get:function(){return E},set:function(t){var e=n(t);if(!e)throw new SyntaxError("An invalid or illegal string was specified.");E=e,this.hasBeenReset=!0}})),Object.defineProperty(a,"size",s({},o,{get:function(){return T},set:function(t){if(t<0||t>100)throw new Error("Size must be between 0 and 100.");T=t,this.hasBeenReset=!0}})),Object.defineProperty(a,"align",s({},o,{get:function(){return S},set:function(t){var e=n(t);if(!e)throw new SyntaxError("An invalid or illegal string was specified.");S=e,this.hasBeenReset=!0}})),a.displayState=void 0}return a.prototype.getCueAsHTML=function(){var t=self.WebVTT;return t.convertCueToDOMTree(self,this.text)},a}()},"./src/utils/vttparser.ts":
    354. 

  354. /*!********************************!*\
    355. 

  355.   !*** ./src/utils/vttparser.ts ***!
    356. 

  356.   \********************************/
    357. 

  357. /*! exports provided: parseTimeStamp, fixLineBreaks, VTTParser */function(t,e,r){"use strict";r.r(e),r.d(e,"parseTimeStamp",(function(){return s})),r.d(e,"fixLineBreaks",(function(){return d})),r.d(e,"VTTParser",(function(){return h}));var i=r(/*! ./vttcue */"./src/utils/vttcue.ts"),n=function(){function t(){}var e=t.prototype;return e.decode=function(t,e){if(!t)return"";if("string"!==typeof t)throw new Error("Error - expected string data.");return decodeURIComponent(encodeURIComponent(t))},t}();function s(t){function e(t,e,r,i){return 3600*(0|t)+60*(0|e)+(0|r)+parseFloat(i||0)}var r=t.match(/^(?:(\d+):)?(\d{2}):(\d{2})(\.\d+)?/);return r?parseFloat(r[2])>59?e(r[2],r[3],0,r[4]):e(r[1],r[2],r[3],r[4]):null}var a=function(){function t(){this.values=Object.create(null)}var e=t.prototype;return e.set=function(t,e){this.get(t)||""===e||(this.values[t]=e)},e.get=function(t,e,r){return r?this.has(t)?this.values[t]:e[r]:this.has(t)?this.values[t]:e},e.has=function(t){return t in this.values},e.alt=function(t,e,r){for(var i=0;i<r.length;++i)if(e===r[i]){this.set(t,e);break}},e.integer=function(t,e){/^-?\d+$/.test(e)&&this.set(t,parseInt(e,10))},e.percent=function(t,e){if(/^([\d]{1,3})(\.[\d]*)?%$/.test(e)){var r=parseFloat(e);if(r>=0&&r<=100)return this.set(t,r),!0}return!1},t}();function o(t,e,r,i){var n=i?t.split(i):[t];for(var s in n)if("string"===typeof n[s]){var a=n[s].split(r);if(2===a.length){var o=a[0],l=a[1];e(o,l)}}}var l=new i["default"](0,0,""),u="middle"===l.align?"middle":"center";function c(t,e,r){var i=t;function n(){var e=s(t);if(null===e)throw new Error("Malformed timestamp: "+i);return t=t.replace(/^[^\sa-zA-Z-]+/,""),e}function c(t,e){var i=new a;o(t,(function(t,e){var n;switch(t){case"region":for(var s=r.length-1;s>=0;s--)if(r[s].id===e){i.set(t,r[s].region);break}break;case"vertical":i.alt(t,e,["rl","lr"]);break;case"line":n=e.split(","),i.integer(t,n[0]),i.percent(t,n[0])&&i.set("snapToLines",!1),i.alt(t,n[0],["auto"]),2===n.length&&i.alt("lineAlign",n[1],["start",u,"end"]);break;case"position":n=e.split(","),i.percent(t,n[0]),2===n.length&&i.alt("positionAlign",n[1],["start",u,"end","line-left","line-right","auto"]);break;case"size":i.percent(t,e);break;case"align":i.alt(t,e,["start",u,"end","left","right"]);break}}),/:/,/\s/),e.region=i.get("region",null),e.vertical=i.get("vertical","");var n=i.get("line","auto");"auto"===n&&-1===l.line&&(n=-1),e.line=n,e.lineAlign=i.get("lineAlign","start"),e.snapToLines=i.get("snapToLines",!0),e.size=i.get("size",100),e.align=i.get("align",u);var s=i.get("position","auto");"auto"===s&&50===l.position&&(s="start"===e.align||"left"===e.align?0:"end"===e.align||"right"===e.align?100:50),e.position=s}function d(){t=t.replace(/^\s+/,"")}if(d(),e.startTime=n(),d(),"--\x3e"!==t.substr(0,3))throw new Error("Malformed time stamp (time stamps must be separated by '--\x3e'): "+i);t=t.substr(3),d(),e.endTime=n(),d(),c(t,e)}function d(t){return t.replace(/<br(?: \/)?>/gi,"\n")}var h=function(){function t(){this.state="INITIAL",this.buffer="",this.decoder=new n,this.regionList=[],this.cue=null,this.oncue=void 0,this.onparsingerror=void 0,this.onflush=void 0}var e=t.prototype;return e.parse=function(t){var e=this;function r(){var t=e.buffer,r=0;t=d(t);while(r<t.length&&"\r"!==t[r]&&"\n"!==t[r])++r;var i=t.substr(0,r);return"\r"===t[r]&&++r,"\n"===t[r]&&++r,e.buffer=t.substr(r),i}function n(t){o(t,(function(t,e){}),/:/)}t&&(e.buffer+=e.decoder.decode(t,{stream:!0}));try{var s="";if("INITIAL"===e.state){if(!/\r\n|\n/.test(e.buffer))return this;s=r();var a=s.match(/^()?WEBVTT([ \t].*)?$/);if(!a||!a[0])throw new Error("Malformed WebVTT signature.");e.state="HEADER"}var l=!1;while(e.buffer){if(!/\r\n|\n/.test(e.buffer))return this;switch(l?l=!1:s=r(),e.state){case"HEADER":/:/.test(s)?n(s):s||(e.state="ID");continue;case"NOTE":s||(e.state="ID");continue;case"ID":if(/^NOTE($|[ \t])/.test(s)){e.state="NOTE";break}if(!s)continue;if(e.cue=new i["default"](0,0,""),e.state="CUE",-1===s.indexOf("--\x3e")){e.cue.id=s;continue}case"CUE":if(!e.cue){e.state="BADCUE";continue}try{c(s,e.cue,e.regionList)}catch(h){e.cue=null,e.state="BADCUE";continue}e.state="CUETEXT";continue;case"CUETEXT":var u=-1!==s.indexOf("--\x3e");if(!s||u&&(l=!0)){e.oncue&&e.cue&&e.oncue(e.cue),e.cue=null,e.state="ID";continue}if(null===e.cue)continue;e.cue.text&&(e.cue.text+="\n"),e.cue.text+=s;continue;case"BADCUE":s||(e.state="ID")}}}catch(h){"CUETEXT"===e.state&&e.cue&&e.oncue&&e.oncue(e.cue),e.cue=null,e.state="INITIAL"===e.state?"BADWEBVTT":"BADCUE"}return this},e.flush=function(){var t=this;try{if((t.cue||"HEADER"===t.state)&&(t.buffer+="\n\n",t.parse()),"INITIAL"===t.state||"BADWEBVTT"===t.state)throw new Error("Malformed WebVTT signature.")}catch(e){t.onparsingerror&&t.onparsingerror(e)}return t.onflush&&t.onflush(),this},t}()},"./src/utils/webvtt-parser.ts":
    358. 

  358. /*!************************************!*\
    359. 

  359.   !*** ./src/utils/webvtt-parser.ts ***!
    360. 

  360.   \************************************/
    361. 

  361. /*! exports provided: generateCueId, parseWebVTT */function(t,e,r){"use strict";r.r(e),r.d(e,"generateCueId",(function(){return h})),r.d(e,"parseWebVTT",(function(){return g}));var i=r(/*! ./src/polyfills/number */"./src/polyfills/number.ts"),n=r(/*! ./vttparser */"./src/utils/vttparser.ts"),s=r(/*! ../demux/id3 */"./src/demux/id3.ts"),a=r(/*! ./timescale-conversion */"./src/utils/timescale-conversion.ts"),o=r(/*! ../remux/mp4-remuxer */"./src/remux/mp4-remuxer.ts"),l=/\r\n|\n\r|\n|\r/g,u=function(t,e,r){return void 0===r&&(r=0),t.substr(r,e.length)===e},c=function(t){var e=parseInt(t.substr(-3)),r=parseInt(t.substr(-6,2)),n=parseInt(t.substr(-9,2)),s=t.length>9?parseInt(t.substr(0,t.indexOf(":"))):0;if(!Object(i["isFiniteNumber"])(e)||!Object(i["isFiniteNumber"])(r)||!Object(i["isFiniteNumber"])(n)||!Object(i["isFiniteNumber"])(s))throw Error("Malformed X-TIMESTAMP-MAP: Local:"+t);return e+=1e3*r,e+=6e4*n,e+=36e5*s,e},d=function(t){var e=5381,r=t.length;while(r)e=33*e^t.charCodeAt(--r);return(e>>>0).toString()};function h(t,e,r){return d(t.toString())+d(e.toString())+d(r)}var f=function(t,e,r){var i=t[e],n=t[i.prevCC];if(!n||!n.new&&i.new)return t.ccOffset=t.presentationOffset=i.start,void(i.new=!1);while(null!==(s=n)&&void 0!==s&&s.new){var s;t.ccOffset+=i.start-n.start,i.new=!1,i=n,n=t[i.prevCC]}t.presentationOffset=r};function g(t,e,r,i,d,g,v,p){var m,y=new n["VTTParser"],E=Object(s["utf8ArrayToStr"])(new Uint8Array(t)).trim().replace(l,"\n").split("\n"),T=[],S=Object(a["toMpegTsClockFromTimescale"])(e,r),b="00:00.000",L=0,A=0,D=!0,k=!1;y.oncue=function(t){var e=i[d],r=i.ccOffset,n=(L-S)/9e4;if(null!==e&&void 0!==e&&e.new&&(void 0!==A?r=i.ccOffset=e.start:f(i,d,n)),n&&(r=n-i.presentationOffset),k){var s=t.endTime-t.startTime,a=Object(o["normalizePts"])(9e4*(t.startTime+r-A),9e4*g)/9e4;t.startTime=a,t.endTime=a+s}var l=t.text.trim();t.text=decodeURIComponent(encodeURIComponent(l)),t.id||(t.id=h(t.startTime,t.endTime,l)),t.endTime>0&&T.push(t)},y.onparsingerror=function(t){m=t},y.onflush=function(){m?p(m):v(T)},E.forEach((function(t){if(D){if(u(t,"X-TIMESTAMP-MAP=")){D=!1,k=!0,t.substr(16).split(",").forEach((function(t){u(t,"LOCAL:")?b=t.substr(6):u(t,"MPEGTS:")&&(L=parseInt(t.substr(7)))}));try{A=c(b)/1e3}catch(e){k=!1,m=e}return}""===t&&(D=!1)}y.parse(t+"\n")})),y.flush()}},"./src/utils/xhr-loader.ts":
    362. 

  362. /*!*********************************!*\
    363. 

  363.   !*** ./src/utils/xhr-loader.ts ***!
    364. 

  364.   \*********************************/
    365. 

  365. /*! exports provided: default */function(t,e,r){"use strict";r.r(e);var i=r(/*! ../utils/logger */"./src/utils/logger.ts"),n=r(/*! ../loader/load-stats */"./src/loader/load-stats.ts"),s=/^age:\s*[\d.]+\s*$/m,a=function(){function t(t){this.xhrSetup=void 0,this.requestTimeout=void 0,this.retryTimeout=void 0,this.retryDelay=void 0,this.config=null,this.callbacks=null,this.context=void 0,this.loader=null,this.stats=void 0,this.xhrSetup=t?t.xhrSetup:null,this.stats=new n["LoadStats"],this.retryDelay=0}var e=t.prototype;return e.destroy=function(){this.callbacks=null,this.abortInternal(),this.loader=null,this.config=null},e.abortInternal=function(){var t=this.loader;self.clearTimeout(this.requestTimeout),self.clearTimeout(this.retryTimeout),t&&(t.onreadystatechange=null,t.onprogress=null,4!==t.readyState&&(this.stats.aborted=!0,t.abort()))},e.abort=function(){var t;this.abortInternal(),null!==(t=this.callbacks)&&void 0!==t&&t.onAbort&&this.callbacks.onAbort(this.stats,this.context,this.loader)},e.load=function(t,e,r){if(this.stats.loading.start)throw new Error("Loader can only be used once.");this.stats.loading.start=self.performance.now(),this.context=t,this.config=e,this.callbacks=r,this.retryDelay=e.retryDelay,this.loadInternal()},e.loadInternal=function(){var t=this.config,e=this.context;if(t){var r=this.loader=new self.XMLHttpRequest,i=this.stats;i.loading.first=0,i.loaded=0;var n=this.xhrSetup;try{if(n)try{n(r,e.url)}catch(o){r.open("GET",e.url,!0),n(r,e.url)}r.readyState||r.open("GET",e.url,!0);var s=this.context.headers;if(s)for(var a in s)r.setRequestHeader(a,s[a])}catch(o){return void this.callbacks.onError({code:r.status,text:o.message},e,r)}e.rangeEnd&&r.setRequestHeader("Range","bytes="+e.rangeStart+"-"+(e.rangeEnd-1)),r.onreadystatechange=this.readystatechange.bind(this),r.onprogress=this.loadprogress.bind(this),r.responseType=e.responseType,self.clearTimeout(this.requestTimeout),this.requestTimeout=self.setTimeout(this.loadtimeout.bind(this),t.timeout),r.send()}},e.readystatechange=function(){var t=this.context,e=this.loader,r=this.stats;if(t&&e){var n=e.readyState,s=this.config;if(!r.aborted&&n>=2)if(self.clearTimeout(this.requestTimeout),0===r.loading.first&&(r.loading.first=Math.max(self.performance.now(),r.loading.start)),4===n){e.onreadystatechange=null,e.onprogress=null;var a=e.status;if(a>=200&&a<300){var o,l;if(r.loading.end=Math.max(self.performance.now(),r.loading.first),"arraybuffer"===t.responseType?(o=e.response,l=o.byteLength):(o=e.responseText,l=o.length),r.loaded=r.total=l,!this.callbacks)return;var u=this.callbacks.onProgress;if(u&&u(r,t,o,e),!this.callbacks)return;var c={url:e.responseURL,data:o};this.callbacks.onSuccess(c,r,t,e)}else r.retry>=s.maxRetry||a>=400&&a<499?(i["logger"].error(a+" while loading "+t.url),this.callbacks.onError({code:a,text:e.statusText},t,e)):(i["logger"].warn(a+" while loading "+t.url+", retrying in "+this.retryDelay+"..."),this.abortInternal(),this.loader=null,self.clearTimeout(this.retryTimeout),this.retryTimeout=self.setTimeout(this.loadInternal.bind(this),this.retryDelay),this.retryDelay=Math.min(2*this.retryDelay,s.maxRetryDelay),r.retry++)}else self.clearTimeout(this.requestTimeout),this.requestTimeout=self.setTimeout(this.loadtimeout.bind(this),s.timeout)}},e.loadtimeout=function(){i["logger"].warn("timeout while loading "+this.context.url);var t=this.callbacks;t&&(this.abortInternal(),t.onTimeout(this.stats,this.context,this.loader))},e.loadprogress=function(t){var e=this.stats;e.loaded=t.loaded,t.lengthComputable&&(e.total=t.total)},e.getCacheAge=function(){var t=null;if(this.loader&&s.test(this.loader.getAllResponseHeaders())){var e=this.loader.getResponseHeader("age");t=e?parseFloat(e):null}return t},t}();e["default"]=a}})["default"]}))}}]);
    366.