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0,xhrSetup:void 0,licenseXhrSetup:void 0,licenseResponseCallback:void 0,abrController:i.default,bufferController:l.default,capLevelController:u.default,fpsController:c.default,stretchShortVideoTrack:!1,maxAudioFramesDrift:1,forceKeyFrameOnDiscontinuity:!0,abrEwmaFastLive:3,abrEwmaSlowLive:9,abrEwmaFastVoD:3,abrEwmaSlowVoD:9,abrEwmaDefaultEstimate:5e5,abrBandWidthFactor:.95,abrBandWidthUpFactor:.7,abrMaxWithRealBitrate:!1,maxStarvationDelay:4,maxLoadingDelay:4,minAutoBitrate:0,emeEnabled:!1,widevineLicenseUrl:void 0,drmSystemOptions:{},requestMediaKeySystemAccessFunc:m.requestMediaKeySystemAccess,testBandwidth:!0,progressive:!1,lowLatencyMode:!0,cmcd:void 0},{cueHandler:v.default,enableCEA708Captions:!0,enableWebVTT:!0,enableIMSC1:!0,captionsTextTrack1Label:"English",captionsTextTrack1LanguageCode:"en",captionsTextTrack2Label:"Spanish",captionsTextTrack2LanguageCode:"es",captionsTextTrack3Label:"Unknown CC",captionsTextTrack3LanguageCode:"",captionsTextTrack4Label:"Unknown CC",captionsTextTrack4LanguageCode:"",renderTextTracksNatively:!0}),{},{subtitleStreamController:a.SubtitleStreamController,subtitleTrackController:o.default,timelineController:h.TimelineController,audioStreamController:s.default,audioTrackController:n.default,emeController:d.default,cmcdController:f.default});function L(e,t){if((t.liveSyncDurationCount||t.liveMaxLatencyDurationCount)&&(t.liveSyncDuration||t.liveMaxLatencyDuration))throw new Error("Illegal hls.js config: don't mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration");if(void 0!==t.liveMaxLatencyDurationCount&&(void 0===t.liveSyncDurationCount||t.liveMaxLatencyDurationCount<=t.liveSyncDurationCount))throw new Error('Illegal hls.js config: "liveMaxLatencyDurationCount" must be greater than "liveSyncDurationCount"');if(void 0!==t.liveMaxLatencyDuration&&(void 0===t.liveSyncDuration||t.liveMaxLatencyDuration<=t.liveSyncDuration))throw new Error('Illegal hls.js config: "liveMaxLatencyDuration" must be greater than "liveSyncDuration"');return E({},e,t)}function A(e){var t=e.loader;t!==p.default&&t!==g.default?(y.logger.log("[config]: Custom loader detected, cannot enable progressive streaming"),e.progressive=!1):Object(p.fetchSupported)()&&(e.loader=p.default,e.progressive=!0,e.enableSoftwareAES=!0,y.logger.log("[config]: Progressive streaming enabled, using FetchLoader"))}},"./src/controller/abr-controller.ts":function(e,t,r){"use strict";r.r(t);var i=r("./src/polyfills/number.ts"),s=r("./src/utils/ewma-bandwidth-estimator.ts"),n=r("./src/events.ts"),a=r("./src/utils/buffer-helper.ts"),o=r("./src/errors.ts"),l=r("./src/types/loader.ts"),h=r("./src/utils/logger.ts");function u(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var c=function(){function e(e){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=e;var t=e.config;this.bwEstimator=new s.default(t.abrEwmaSlowVoD,t.abrEwmaFastVoD,t.abrEwmaDefaultEstimate),this.registerListeners()}var t,r,c,d=e.prototype;return d.registerListeners=function(){var e=this.hls;e.on(n.Events.FRAG_LOADING,this.onFragLoading,this),e.on(n.Events.FRAG_LOADED,this.onFragLoaded,this),e.on(n.Events.FRAG_BUFFERED,this.onFragBuffered,this),e.on(n.Events.LEVEL_LOADED,this.onLevelLoaded,this),e.on(n.Events.ERROR,this.onError,this)},d.unregisterListeners=function(){var e=this.hls;e.off(n.Events.FRAG_LOADING,this.onFragLoading,this),e.off(n.Events.FRAG_LOADED,this.onFragLoaded,this),e.off(n.Events.FRAG_BUFFERED,this.onFragBuffered,this),e.off(n.Events.LEVEL_LOADED,this.onLevelLoaded,this),e.off(n.Events.ERROR,this.onError,this)},d.destroy=function(){this.unregisterListeners(),this.clearTimer(),this.hls=this.onCheck=null,this.fragCurrent=this.partCurrent=null},d.onFragLoading=function(e,t){var r,i=t.frag;i.type===l.PlaylistLevelType.MAIN&&(this.timer||(this.fragCurrent=i,this.partCurrent=null!=(r=t.part)?r:null,this.timer=self.setInterval(this.onCheck,100)))},d.onLevelLoaded=function(e,t){var r=this.hls.config;t.details.live?this.bwEstimator.update(r.abrEwmaSlowLive,r.abrEwmaFastLive):this.bwEstimator.update(r.abrEwmaSlowVoD,r.abrEwmaFastVoD)},d._abandonRulesCheck=function(){var e=this.fragCurrent,t=this.partCurrent,r=this.hls,s=r.autoLevelEnabled,o=r.config,l=r.media;if(e&&l){var u=t?t.stats:e.stats,c=t?t.duration:e.duration;if(u.aborted)return h.logger.warn("frag loader destroy or aborted, disarm abandonRules"),this.clearTimer(),void(this._nextAutoLevel=-1);if(s&&!l.paused&&l.playbackRate&&l.readyState){var d=performance.now()-u.loading.start,f=Math.abs(l.playbackRate);if(!(d<=500*c/f)){var g=r.levels,p=r.minAutoLevel,v=g[e.level],m=u.total||Math.max(u.loaded,Math.round(c*v.maxBitrate/8)),y=Math.max(1,u.bwEstimate?u.bwEstimate/8:1e3*u.loaded/d),E=(m-u.loaded)/y,S=l.currentTime,T=(a.BufferHelper.bufferInfo(l,S,o.maxBufferHole).end-S)/f;if(!(T>=2*c/f||E<=T)){var b,_=Number.POSITIVE_INFINITY;for(b=e.level-1;b>p&&!((_=c*g[b].maxBitrate/(6.4*y))<T);b--);if(!(_>=E)){var L=this.bwEstimator.getEstimate();h.logger.warn("Fragment "+e.sn+(t?" part "+t.index:"")+" of level "+e.level+" is loading too slowly and will cause an underbuffer; aborting and switching to level "+b+"\n      Current BW estimate: "+(Object(i.isFiniteNumber)(L)?(L/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: "+_.toFixed(3)+" s\n      Time to underbuffer: "+T.toFixed(3)+" s"),r.nextLoadLevel=b,this.bwEstimator.sample(d,u.loaded),this.clearTimer(),e.loader&&(this.fragCurrent=this.partCurrent=null,e.loader.abort()),r.trigger(n.Events.FRAG_LOAD_EMERGENCY_ABORTED,{frag:e,part:t,stats:u})}}}}}},d.onFragLoaded=function(e,t){var r=t.frag,s=t.part;if(r.type===l.PlaylistLevelType.MAIN&&Object(i.isFiniteNumber)(r.sn)){var a=s?s.stats:r.stats,o=s?s.duration:r.duration;if(this.clearTimer(),this.lastLoadedFragLevel=r.level,this._nextAutoLevel=-1,this.hls.config.abrMaxWithRealBitrate){var h=this.hls.levels[r.level],u=(h.loaded?h.loaded.bytes:0)+a.loaded,c=(h.loaded?h.loaded.duration:0)+o;h.loaded={bytes:u,duration:c},h.realBitrate=Math.round(8*u/c)}if(r.bitrateTest){var d={stats:a,frag:r,part:s,id:r.type};this.onFragBuffered(n.Events.FRAG_BUFFERED,d),r.bitrateTest=!1}}},d.onFragBuffered=function(e,t){var r=t.frag,i=t.part,s=i?i.stats:r.stats;if(!s.aborted&&r.type===l.PlaylistLevelType.MAIN&&"initSegment"!==r.sn){var n=s.parsing.end-s.loading.start;this.bwEstimator.sample(n,s.loaded),s.bwEstimate=this.bwEstimator.getEstimate(),r.bitrateTest?this.bitrateTestDelay=n/1e3:this.bitrateTestDelay=0}},d.onError=function(e,t){switch(t.details){case o.ErrorDetails.FRAG_LOAD_ERROR:case o.ErrorDetails.FRAG_LOAD_TIMEOUT:this.clearTimer()}},d.clearTimer=function(){self.clearInterval(this.timer),this.timer=void 0},d.getNextABRAutoLevel=function(){var e=this.fragCurrent,t=this.partCurrent,r=this.hls,i=r.maxAutoLevel,s=r.config,n=r.minAutoLevel,o=r.media,l=t?t.duration:e?e.duration:0,u=o?o.currentTime:0,c=o&&0!==o.playbackRate?Math.abs(o.playbackRate):1,d=this.bwEstimator?this.bwEstimator.getEstimate():s.abrEwmaDefaultEstimate,f=(a.BufferHelper.bufferInfo(o,u,s.maxBufferHole).end-u)/c,g=this.findBestLevel(d,n,i,f,s.abrBandWidthFactor,s.abrBandWidthUpFactor);if(g>=0)return g;h.logger.trace((f?"rebuffering expected":"buffer is empty")+", finding optimal quality level");var p=l?Math.min(l,s.maxStarvationDelay):s.maxStarvationDelay,v=s.abrBandWidthFactor,m=s.abrBandWidthUpFactor;if(!f){var y=this.bitrateTestDelay;y&&(p=(l?Math.min(l,s.maxLoadingDelay):s.maxLoadingDelay)-y,h.logger.trace("bitrate test took "+Math.round(1e3*y)+"ms, set first fragment max fetchDuration to "+Math.round(1e3*p)+" ms"),v=m=1)}return g=this.findBestLevel(d,n,i,f+p,v,m),Math.max(g,0)},d.findBestLevel=function(e,t,r,i,s,n){for(var a,o=this.fragCurrent,l=this.partCurrent,u=this.lastLoadedFragLevel,c=this.hls.levels,d=c[u],f=!(null==d||null===(a=d.details)||void 0===a||!a.live),g=null==d?void 0:d.codecSet,p=l?l.duration:o?o.duration:0,v=r;v>=t;v--){var m=c[v];if(m&&(!g||m.codecSet===g)){var y=m.details,E=(l?null==y?void 0:y.partTarget:null==y?void 0:y.averagetargetduration)||p,S=void 0;S=v<=u?s*e:n*e;var T=c[v].maxBitrate,b=T*E/S;if(h.logger.trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: "+v+"/"+Math.round(S)+"/"+T+"/"+E+"/"+i+"/"+b),S>T&&(!b||f&&!this.bitrateTestDelay||b<i))return v}}return-1},t=e,(r=[{key:"nextAutoLevel",get:function(){var e=this._nextAutoLevel,t=this.bwEstimator;if(!(-1===e||t&&t.canEstimate()))return e;var r=this.getNextABRAutoLevel();return-1!==e&&(r=Math.min(e,r)),r},set:function(e){this._nextAutoLevel=e}}])&&u(t.prototype,r),c&&u(t,c),e}();t.default=c},"./src/controller/audio-stream-controller.ts":function(e,t,r){"use strict";r.r(t);var i=r("./src/polyfills/number.ts"),s=r("./src/controller/base-stream-controller.ts"),n=r("./src/events.ts"),a=r("./src/utils/buffer-helper.ts"),o=r("./src/controller/fragment-tracker.ts"),l=r("./src/types/level.ts"),h=r("./src/types/loader.ts"),u=r("./src/loader/fragment.ts"),c=r("./src/demux/chunk-cache.ts"),d=r("./src/demux/transmuxer-interface.ts"),f=r("./src/types/transmuxer.ts"),g=r("./src/controller/fragment-finders.ts"),p=r("./src/utils/discontinuities.ts"),v=r("./src/errors.ts"),m=r("./src/utils/logger.ts");function y(){return y=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var i in r)Object.prototype.hasOwnProperty.call(r,i)&&(e[i]=r[i])}return e},y.apply(this,arguments)}function E(e,t){return E=Object.setPrototypeOf||function(e,t){return e.__proto__=t,e},E(e,t)}var S=function(e){var t,r;function S(t,r){var i;return(i=e.call(this,t,r,"[audio-stream-controller]")||this).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}r=e,(t=S).prototype=Object.create(r.prototype),t.prototype.constructor=t,E(t,r);var T=S.prototype;return T.onHandlerDestroying=function(){this._unregisterListeners(),this.mainDetails=null},T._registerListeners=function(){var e=this.hls;e.on(n.Events.MEDIA_ATTACHED,this.onMediaAttached,this),e.on(n.Events.MEDIA_DETACHING,this.onMediaDetaching,this),e.on(n.Events.MANIFEST_LOADING,this.onManifestLoading,this),e.on(n.Events.LEVEL_LOADED,this.onLevelLoaded,this),e.on(n.Events.AUDIO_TRACKS_UPDATED,this.onAudioTracksUpdated,this),e.on(n.Events.AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),e.on(n.Events.AUDIO_TRACK_LOADED,this.onAudioTrackLoaded,this),e.on(n.Events.ERROR,this.onError,this),e.on(n.Events.BUFFER_RESET,this.onBufferReset,this),e.on(n.Events.BUFFER_CREATED,this.onBufferCreated,this),e.on(n.Events.BUFFER_FLUSHED,this.onBufferFlushed,this),e.on(n.Events.INIT_PTS_FOUND,this.onInitPtsFound,this),e.on(n.Events.FRAG_BUFFERED,this.onFragBuffered,this)},T._unregisterListeners=function(){var e=this.hls;e.off(n.Events.MEDIA_ATTACHED,this.onMediaAttached,this),e.off(n.Events.MEDIA_DETACHING,this.onMediaDetaching,this),e.off(n.Events.MANIFEST_LOADING,this.onManifestLoading,this),e.off(n.Events.LEVEL_LOADED,this.onLevelLoaded,this),e.off(n.Events.AUDIO_TRACKS_UPDATED,this.onAudioTracksUpdated,this),e.off(n.Events.AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),e.off(n.Events.AUDIO_TRACK_LOADED,this.onAudioTrackLoaded,this),e.off(n.Events.ERROR,this.onError,this),e.off(n.Events.BUFFER_RESET,this.onBufferReset,this),e.off(n.Events.BUFFER_CREATED,this.onBufferCreated,this),e.off(n.Events.BUFFER_FLUSHED,this.onBufferFlushed,this),e.off(n.Events.INIT_PTS_FOUND,this.onInitPtsFound,this),e.off(n.Events.FRAG_BUFFERED,this.onFragBuffered,this)},T.onInitPtsFound=function(e,t){var r=t.frag,i=t.id,n=t.initPTS;if("main"===i){var a=r.cc;this.initPTS[r.cc]=n,this.log("InitPTS for cc: "+a+" found from main: "+n),this.videoTrackCC=a,this.state===s.State.WAITING_INIT_PTS&&this.tick()}},T.startLoad=function(e){if(!this.levels)return this.startPosition=e,void(this.state=s.State.STOPPED);var t=this.lastCurrentTime;this.stopLoad(),this.setInterval(100),this.fragLoadError=0,t>0&&-1===e?(this.log("Override startPosition with lastCurrentTime @"+t.toFixed(3)),this.state=s.State.IDLE):(this.loadedmetadata=!1,this.state=s.State.WAITING_TRACK),this.nextLoadPosition=this.startPosition=this.lastCurrentTime=e,this.tick()},T.doTick=function(){switch(this.state){case s.State.IDLE:this.doTickIdle();break;case s.State.WAITING_TRACK:var t,r=this.levels,i=this.trackId,n=null==r||null===(t=r[i])||void 0===t?void 0:t.details;if(n){if(this.waitForCdnTuneIn(n))break;this.state=s.State.WAITING_INIT_PTS}break;case s.State.FRAG_LOADING_WAITING_RETRY:var o,l=performance.now(),h=this.retryDate;(!h||l>=h||null!==(o=this.media)&&void 0!==o&&o.seeking)&&(this.log("RetryDate reached, switch back to IDLE state"),this.state=s.State.IDLE);break;case s.State.WAITING_INIT_PTS:var u=this.waitingData;if(u){var c=u.frag,d=u.part,f=u.cache,p=u.complete;if(void 0!==this.initPTS[c.cc]){this.waitingData=null,this.waitingVideoCC=-1,this.state=s.State.FRAG_LOADING;var v={frag:c,part:d,payload:f.flush(),networkDetails:null};this._handleFragmentLoadProgress(v),p&&e.prototype._handleFragmentLoadComplete.call(this,v)}else if(this.videoTrackCC!==this.waitingVideoCC)m.logger.log("Waiting fragment cc ("+c.cc+") cancelled because video is at cc "+this.videoTrackCC),this.clearWaitingFragment();else{var y=this.getLoadPosition(),E=a.BufferHelper.bufferInfo(this.mediaBuffer,y,this.config.maxBufferHole);Object(g.fragmentWithinToleranceTest)(E.end,this.config.maxFragLookUpTolerance,c)<0&&(m.logger.log("Waiting fragment cc ("+c.cc+") @ "+c.start+" cancelled because another fragment at "+E.end+" is needed"),this.clearWaitingFragment())}}else this.state=s.State.IDLE}this.onTickEnd()},T.clearWaitingFragment=function(){var e=this.waitingData;e&&(this.fragmentTracker.removeFragment(e.frag),this.waitingData=null,this.waitingVideoCC=-1,this.state=s.State.IDLE)},T.onTickEnd=function(){var e=this.media;if(e&&e.readyState){var t=(this.mediaBuffer?this.mediaBuffer:e).buffered;!this.loadedmetadata&&t.length&&(this.loadedmetadata=!0),this.lastCurrentTime=e.currentTime}},T.doTickIdle=function(){var e,t,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 c=i[o].details;if(!c||c.live&&this.levelLastLoaded!==o||this.waitForCdnTuneIn(c))this.state=s.State.WAITING_TRACK;else{this.bufferFlushed&&(this.bufferFlushed=!1,this.afterBufferFlushed(this.mediaBuffer?this.mediaBuffer:this.media,u.ElementaryStreamTypes.AUDIO,h.PlaylistLevelType.AUDIO));var d=this.getFwdBufferInfo(this.mediaBuffer?this.mediaBuffer:this.media,h.PlaylistLevelType.AUDIO);if(null!==d){var f=d.len,g=this.getMaxBufferLength(),p=this.audioSwitch;if(!(f>=g)||p){if(!p&&this._streamEnded(d,c))return r.trigger(n.Events.BUFFER_EOS,{type:"audio"}),void(this.state=s.State.ENDED);var v=c.fragments[0].start,m=d.end;if(p){var y=this.getLoadPosition();m=y,c.PTSKnown&&y<v&&(d.end>v||d.nextStart)&&(this.log("Alt audio track ahead of main track, seek to start of alt audio track"),a.currentTime=v+.05)}var E=this.getNextFragment(m,c);E?"identity"!==(null===(e=E.decryptdata)||void 0===e?void 0:e.keyFormat)||null!==(t=E.decryptdata)&&void 0!==t&&t.key?this.loadFragment(E,c,m):this.loadKey(E,c):this.bufferFlushed=!0}}}}},T.getMaxBufferLength=function(){var t=e.prototype.getMaxBufferLength.call(this),r=this.getFwdBufferInfo(this.videoBuffer?this.videoBuffer:this.media,h.PlaylistLevelType.MAIN);return null===r?t:Math.max(t,r.len)},T.onMediaDetaching=function(){this.videoBuffer=null,e.prototype.onMediaDetaching.call(this)},T.onAudioTracksUpdated=function(e,t){var r=t.audioTracks;this.resetTransmuxer(),this.levels=r.map((function(e){return new l.Level(e)}))},T.onAudioTrackSwitching=function(e,t){var r=!!t.url;this.trackId=t.id;var i=this.fragCurrent;null!=i&&i.loader&&i.loader.abort(),this.fragCurrent=null,this.clearWaitingFragment(),r?this.setInterval(100):this.resetTransmuxer(),r?(this.audioSwitch=!0,this.state=s.State.IDLE):this.state=s.State.STOPPED,this.tick()},T.onManifestLoading=function(){this.mainDetails=null,this.fragmentTracker.removeAllFragments(),this.startPosition=this.lastCurrentTime=0,this.bufferFlushed=!1},T.onLevelLoaded=function(e,t){this.mainDetails=t.details},T.onAudioTrackLoaded=function(e,t){var r,i=this.levels,n=t.details,a=t.id;if(i){this.log("Track "+a+" loaded ["+n.startSN+","+n.endSN+"],duration:"+n.totalduration);var o=i[a],l=0;if(n.live||null!==(r=o.details)&&void 0!==r&&r.live){var h=this.mainDetails;if(n.fragments[0]||(n.deltaUpdateFailed=!0),n.deltaUpdateFailed||!h)return;!o.details&&n.hasProgramDateTime&&h.hasProgramDateTime?(Object(p.alignMediaPlaylistByPDT)(n,h),l=n.fragments[0].start):l=this.alignPlaylists(n,o.details)}o.details=n,this.levelLastLoaded=a,this.startFragRequested||!this.mainDetails&&n.live||this.setStartPosition(o.details,l),this.state!==s.State.WAITING_TRACK||this.waitForCdnTuneIn(n)||(this.state=s.State.IDLE),this.tick()}else this.warn("Audio tracks were reset while loading level "+a)},T._handleFragmentLoadProgress=function(e){var t,r=e.frag,i=e.part,n=e.payload,a=this.config,o=this.trackId,l=this.levels;if(l){var u=l[o];console.assert(u,"Audio track is defined on fragment load progress");var g=u.details;console.assert(g,"Audio track details are defined on fragment load progress");var p=a.defaultAudioCodec||u.audioCodec||"mp4a.40.2",v=this.transmuxer;v||(v=this.transmuxer=new d.default(this.hls,h.PlaylistLevelType.AUDIO,this._handleTransmuxComplete.bind(this),this._handleTransmuxerFlush.bind(this)));var y=this.initPTS[r.cc],E=null===(t=r.initSegment)||void 0===t?void 0:t.data;if(void 0!==y){var S=i?i.index:-1,T=-1!==S,b=new f.ChunkMetadata(r.level,r.sn,r.stats.chunkCount,n.byteLength,S,T);v.push(n,E,p,"",r,i,g.totalduration,!1,b,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),(this.waitingData=this.waitingData||{frag:r,part:i,cache:new c.default,complete:!1}).cache.push(new Uint8Array(n)),this.waitingVideoCC=this.videoTrackCC,this.state=s.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")},T._handleFragmentLoadComplete=function(t){this.waitingData?this.waitingData.complete=!0:e.prototype._handleFragmentLoadComplete.call(this,t)},T.onBufferReset=function(){this.mediaBuffer=this.videoBuffer=null,this.loadedmetadata=!1},T.onBufferCreated=function(e,t){var r=t.tracks.audio;r&&(this.mediaBuffer=r.buffer),t.tracks.video&&(this.videoBuffer=t.tracks.video.buffer)},T.onFragBuffered=function(e,t){var r=t.frag,i=t.part;r.type===h.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(n.Events.AUDIO_TRACK_SWITCHED,{id:this.trackId}))),this.fragBufferedComplete(r,i)))},T.onError=function(t,r){switch(r.details){case v.ErrorDetails.FRAG_LOAD_ERROR:case v.ErrorDetails.FRAG_LOAD_TIMEOUT:case v.ErrorDetails.KEY_LOAD_ERROR:case v.ErrorDetails.KEY_LOAD_TIMEOUT:this.onFragmentOrKeyLoadError(h.PlaylistLevelType.AUDIO,r);break;case v.ErrorDetails.AUDIO_TRACK_LOAD_ERROR:case v.ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT:this.state!==s.State.ERROR&&this.state!==s.State.STOPPED&&(this.state=r.fatal?s.State.ERROR:s.State.IDLE,this.warn(r.details+" while loading frag, switching to "+this.state+" state"));break;case v.ErrorDetails.BUFFER_FULL_ERROR:if("audio"===r.parent&&(this.state===s.State.PARSING||this.state===s.State.PARSED)){var i=!0,n=this.getFwdBufferInfo(this.mediaBuffer,h.PlaylistLevelType.AUDIO);n&&n.len>.5&&(i=!this.reduceMaxBufferLength(n.len)),i&&(this.warn("Buffer full error also media.currentTime is not buffered, flush audio buffer"),this.fragCurrent=null,e.prototype.flushMainBuffer.call(this,0,Number.POSITIVE_INFINITY,"audio")),this.resetLoadingState()}}},T.onBufferFlushed=function(e,t){t.type===u.ElementaryStreamTypes.AUDIO&&(this.bufferFlushed=!0)},T._handleTransmuxComplete=function(e){var t,r="audio",i=this.hls,a=e.remuxResult,o=e.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 h=l.frag,c=l.part,d=a.audio,f=a.text,g=a.id3,p=a.initSegment;if(!this.fragContextChanged(h)){if(this.state=s.State.PARSING,this.audioSwitch&&d&&this.completeAudioSwitch(),null!=p&&p.tracks&&(this._bufferInitSegment(p.tracks,h,o),i.trigger(n.Events.FRAG_PARSING_INIT_SEGMENT,{frag:h,id:r,tracks:p.tracks})),d){var v=d.startPTS,m=d.endPTS,E=d.startDTS,S=d.endDTS;c&&(c.elementaryStreams[u.ElementaryStreamTypes.AUDIO]={startPTS:v,endPTS:m,startDTS:E,endDTS:S}),h.setElementaryStreamInfo(u.ElementaryStreamTypes.AUDIO,v,m,E,S),this.bufferFragmentData(d,h,c,o)}if(null!=g&&null!==(t=g.samples)&&void 0!==t&&t.length){var T=y({frag:h,id:r},g);i.trigger(n.Events.FRAG_PARSING_METADATA,T)}if(f){var b=y({frag:h,id:r},f);i.trigger(n.Events.FRAG_PARSING_USERDATA,b)}}},T._bufferInitSegment=function(e,t,r){if(this.state===s.State.PARSING){e.video&&delete e.video;var i=e.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(n.Events.BUFFER_CODECS,e);var a=i.initSegment;if(null!=a&&a.byteLength){var o={type:"audio",frag:t,part:null,chunkMeta:r,parent:t.type,data:a};this.hls.trigger(n.Events.BUFFER_APPENDING,o)}this.tick()}}},T.loadFragment=function(t,r,n){var a=this.fragmentTracker.getState(t);this.fragCurrent=t,(this.audioSwitch||a===o.FragmentState.NOT_LOADED||a===o.FragmentState.PARTIAL)&&("initSegment"===t.sn?this._loadInitSegment(t):r.live&&!Object(i.isFiniteNumber)(this.initPTS[t.cc])?(this.log("Waiting for video PTS in continuity counter "+t.cc+" of live stream before loading audio fragment "+t.sn+" of level "+this.trackId),this.state=s.State.WAITING_INIT_PTS):(this.startFragRequested=!0,e.prototype.loadFragment.call(this,t,r,n)))},T.completeAudioSwitch=function(){var t=this.hls,r=this.media,i=this.trackId;r&&(this.log("Switching audio track : flushing all audio"),e.prototype.flushMainBuffer.call(this,0,Number.POSITIVE_INFINITY,"audio")),this.audioSwitch=!1,t.trigger(n.Events.AUDIO_TRACK_SWITCHED,{id:i})},S}(s.default);t.default=S},"./src/controller/audio-track-controller.ts":function(e,t,r){"use strict";r.r(t);var i=r("./src/events.ts"),s=r("./src/errors.ts"),n=r("./src/controller/base-playlist-controller.ts"),a=r("./src/types/loader.ts");function o(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}function l(e,t){return l=Object.setPrototypeOf||function(e,t){return e.__proto__=t,e},l(e,t)}var h=function(e){var t,r;function n(t){var r;return(r=e.call(this,t,"[audio-track-controller]")||this).tracks=[],r.groupId=null,r.tracksInGroup=[],r.trackId=-1,r.trackName="",r.selectDefaultTrack=!0,r.registerListeners(),r}r=e,(t=n).prototype=Object.create(r.prototype),t.prototype.constructor=t,l(t,r);var h,u,c,d=n.prototype;return d.registerListeners=function(){var e=this.hls;e.on(i.Events.MANIFEST_LOADING,this.onManifestLoading,this),e.on(i.Events.MANIFEST_PARSED,this.onManifestParsed,this),e.on(i.Events.LEVEL_LOADING,this.onLevelLoading,this),e.on(i.Events.LEVEL_SWITCHING,this.onLevelSwitching,this),e.on(i.Events.AUDIO_TRACK_LOADED,this.onAudioTrackLoaded,this),e.on(i.Events.ERROR,this.onError,this)},d.unregisterListeners=function(){var e=this.hls;e.off(i.Events.MANIFEST_LOADING,this.onManifestLoading,this),e.off(i.Events.MANIFEST_PARSED,this.onManifestParsed,this),e.off(i.Events.LEVEL_LOADING,this.onLevelLoading,this),e.off(i.Events.LEVEL_SWITCHING,this.onLevelSwitching,this),e.off(i.Events.AUDIO_TRACK_LOADED,this.onAudioTrackLoaded,this),e.off(i.Events.ERROR,this.onError,this)},d.destroy=function(){this.unregisterListeners(),this.tracks.length=0,this.tracksInGroup.length=0,e.prototype.destroy.call(this)},d.onManifestLoading=function(){this.tracks=[],this.groupId=null,this.tracksInGroup=[],this.trackId=-1,this.trackName="",this.selectDefaultTrack=!0},d.onManifestParsed=function(e,t){this.tracks=t.audioTracks||[]},d.onAudioTrackLoaded=function(e,t){var r=t.id,i=t.details,s=this.tracksInGroup[r];if(s){var n=s.details;s.details=t.details,this.log("audioTrack "+r+" loaded ["+i.startSN+"-"+i.endSN+"]"),r===this.trackId&&(this.retryCount=0,this.playlistLoaded(r,t,n))}else this.warn("Invalid audio track id "+r)},d.onLevelLoading=function(e,t){this.switchLevel(t.level)},d.onLevelSwitching=function(e,t){this.switchLevel(t.level)},d.switchLevel=function(e){var t=this.hls.levels[e];if(null!=t&&t.audioGroupIds){var r=t.audioGroupIds[t.urlId];if(this.groupId!==r){this.groupId=r;var s=this.tracks.filter((function(e){return!r||e.groupId===r}));this.selectDefaultTrack&&!s.some((function(e){return e.default}))&&(this.selectDefaultTrack=!1),this.tracksInGroup=s;var n={audioTracks:s};this.log("Updating audio tracks, "+s.length+' track(s) found in "'+r+'" group-id'),this.hls.trigger(i.Events.AUDIO_TRACKS_UPDATED,n),this.selectInitialTrack()}}},d.onError=function(t,r){e.prototype.onError.call(this,t,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)},d.setAudioTrack=function(e){var t=this.tracksInGroup;if(e<0||e>=t.length)this.warn("Invalid id passed to audio-track controller");else{this.clearTimer();var r=t[this.trackId];this.log("Now switching to audio-track index "+e);var s=t[e],n=s.id,a=s.groupId,o=void 0===a?"":a,l=s.name,h=s.type,u=s.url;if(this.trackId=e,this.trackName=l,this.selectDefaultTrack=!1,this.hls.trigger(i.Events.AUDIO_TRACK_SWITCHING,{id:n,groupId:o,name:l,type:h,url:u}),!s.details||s.details.live){var c=this.switchParams(s.url,null==r?void 0:r.details);this.loadPlaylist(c)}}},d.selectInitialTrack=function(){var e=this.tracksInGroup;console.assert(e.length,"Initial audio track should be selected when tracks are known");var t=this.trackName,r=this.findTrackId(t)||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:s.ErrorTypes.MEDIA_ERROR,details:s.ErrorDetails.AUDIO_TRACK_LOAD_ERROR,fatal:!0}))},d.findTrackId=function(e){for(var t=this.tracksInGroup,r=0;r<t.length;r++){var i=t[r];if((!this.selectDefaultTrack||i.default)&&(!e||e===i.name))return i.id}return-1},d.loadPlaylist=function(e){var t=this.tracksInGroup[this.trackId];if(this.shouldLoadTrack(t)){var r=t.id,s=t.groupId,n=t.url;if(e)try{n=e.addDirectives(n)}catch(e){this.warn("Could not construct new URL with HLS Delivery Directives: "+e)}this.log("loading audio-track playlist for id: "+r),this.clearTimer(),this.hls.trigger(i.Events.AUDIO_TRACK_LOADING,{url:n,id:r,groupId:s,deliveryDirectives:e||null})}},h=n,(u=[{key:"audioTracks",get:function(){return this.tracksInGroup}},{key:"audioTrack",get:function(){return this.trackId},set:function(e){this.selectDefaultTrack=!1,this.setAudioTrack(e)}}])&&o(h.prototype,u),c&&o(h,c),n}(n.default);t.default=h},"./src/controller/base-playlist-controller.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"default",(function(){return l}));var i=r("./src/polyfills/number.ts"),s=r("./src/types/level.ts"),n=r("./src/controller/level-helper.ts"),a=r("./src/utils/logger.ts"),o=r("./src/errors.ts"),l=function(){function e(e,t){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,t+":"),this.warn=a.logger.warn.bind(a.logger,t+":"),this.hls=e}var t=e.prototype;return t.destroy=function(){this.clearTimer(),this.hls=this.log=this.warn=null},t.onError=function(e,t){t.fatal&&t.type===o.ErrorTypes.NETWORK_ERROR&&this.clearTimer()},t.clearTimer=function(){clearTimeout(this.timer),this.timer=-1},t.startLoad=function(){this.canLoad=!0,this.retryCount=0,this.loadPlaylist()},t.stopLoad=function(){this.canLoad=!1,this.clearTimer()},t.switchParams=function(e,t){var r=null==t?void 0:t.renditionReports;if(r)for(var n=0;n<r.length;n++){var a=r[n],o=""+a.URI;if(o===e.substr(-o.length)){var l=parseInt(a["LAST-MSN"]),h=parseInt(a["LAST-PART"]);if(t&&this.hls.config.lowLatencyMode){var u=Math.min(t.age-t.partTarget,t.targetduration);void 0!==h&&u>t.partTarget&&(h+=1)}if(Object(i.isFiniteNumber)(l))return new s.HlsUrlParameters(l,Object(i.isFiniteNumber)(h)?h:void 0,s.HlsSkip.No)}}},t.loadPlaylist=function(e){},t.shouldLoadTrack=function(e){return this.canLoad&&e&&!!e.url&&(!e.details||e.details.live)},t.playlistLoaded=function(e,t,r){var i=this,s=t.details,a=t.stats,o=a.loading.end?Math.max(0,self.performance.now()-a.loading.end):0;if(s.advancedDateTime=Date.now()-o,s.live||null!=r&&r.live){if(s.reloaded(r),r&&this.log("live playlist "+e+" "+(s.advanced?"REFRESHED "+s.lastPartSn+"-"+s.lastPartIndex:"MISSED")),r&&s.fragments.length>0&&Object(n.mergeDetails)(r,s),!this.canLoad||!s.live)return;var l,h=void 0,u=void 0;if(s.canBlockReload&&s.endSN&&s.advanced){var c=this.hls.config.lowLatencyMode,d=s.lastPartSn,f=s.endSN,g=s.lastPartIndex,p=d===f;-1!==g?(h=p?f+1:d,u=p?c?0:g:g+1):h=f+1;var v=s.age,m=v+s.ageHeader,y=Math.min(m-s.partTarget,1.5*s.targetduration);if(y>0){if(r&&y>r.tuneInGoal)this.warn("CDN Tune-in goal increased from: "+r.tuneInGoal+" to: "+y+" with playlist age: "+s.age),y=0;else{var E=Math.floor(y/s.targetduration);h+=E,void 0!==u&&(u+=Math.round(y%s.targetduration/s.partTarget)),this.log("CDN Tune-in age: "+s.ageHeader+"s last advanced "+v.toFixed(2)+"s goal: "+y+" skip sn "+E+" to part "+u)}s.tuneInGoal=y}if(l=this.getDeliveryDirectives(s,t.deliveryDirectives,h,u),c||!p)return void this.loadPlaylist(l)}else l=this.getDeliveryDirectives(s,t.deliveryDirectives,h,u);var S=Object(n.computeReloadInterval)(s,a);void 0!==h&&s.canBlockReload&&(S-=s.partTarget||1),this.log("reload live playlist "+e+" in "+Math.round(S)+" ms"),this.timer=self.setTimeout((function(){return i.loadPlaylist(l)}),S)}else this.clearTimer()},t.getDeliveryDirectives=function(e,t,r,i){var n=Object(s.getSkipValue)(e,r);return null!=t&&t.skip&&e.deltaUpdateFailed&&(r=t.msn,i=t.part,n=s.HlsSkip.No),new s.HlsUrlParameters(r,i,n)},t.retryLoadingOrFail=function(e){var t,r=this,i=this.hls.config,s=this.retryCount<i.levelLoadingMaxRetry;if(s)if(this.retryCount++,e.details.indexOf("LoadTimeOut")>-1&&null!==(t=e.context)&&void 0!==t&&t.deliveryDirectives)this.warn("retry playlist loading #"+this.retryCount+' after "'+e.details+'"'),this.loadPlaylist();else{var n=Math.min(Math.pow(2,this.retryCount)*i.levelLoadingRetryDelay,i.levelLoadingMaxRetryTimeout);this.timer=self.setTimeout((function(){return r.loadPlaylist()}),n),this.warn("retry playlist loading #"+this.retryCount+" in "+n+' ms after "'+e.details+'"')}else this.warn('cannot recover from error "'+e.details+'"'),this.clearTimer(),e.fatal=!0;return s},e}()},"./src/controller/base-stream-controller.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"State",(function(){return T})),r.d(t,"default",(function(){return b}));var i=r("./src/polyfills/number.ts"),s=r("./src/task-loop.ts"),n=r("./src/controller/fragment-tracker.ts"),a=r("./src/utils/buffer-helper.ts"),o=r("./src/utils/logger.ts"),l=r("./src/events.ts"),h=r("./src/errors.ts"),u=r("./src/types/transmuxer.ts"),c=r("./src/utils/mp4-tools.ts"),d=r("./src/utils/discontinuities.ts"),f=r("./src/controller/fragment-finders.ts"),g=r("./src/controller/level-helper.ts"),p=r("./src/loader/fragment-loader.ts"),v=r("./src/crypt/decrypter.ts"),m=r("./src/utils/time-ranges.ts"),y=r("./src/types/loader.ts");function E(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}function S(e,t){return S=Object.setPrototypeOf||function(e,t){return e.__proto__=t,e},S(e,t)}var T={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"},b=function(e){var t,r;function s(t,r,i){var s;return(s=e.call(this)||this).hls=void 0,s.fragPrevious=null,s.fragCurrent=null,s.fragmentTracker=void 0,s.transmuxer=null,s._state=T.STOPPED,s.media=void 0,s.mediaBuffer=void 0,s.config=void 0,s.bitrateTest=!1,s.lastCurrentTime=0,s.nextLoadPosition=0,s.startPosition=0,s.loadedmetadata=!1,s.fragLoadError=0,s.retryDate=0,s.levels=null,s.fragmentLoader=void 0,s.levelLastLoaded=null,s.startFragRequested=!1,s.decrypter=void 0,s.initPTS=[],s.onvseeking=null,s.onvended=null,s.logPrefix="",s.log=void 0,s.warn=void 0,s.logPrefix=i,s.log=o.logger.log.bind(o.logger,i+":"),s.warn=o.logger.warn.bind(o.logger,i+":"),s.hls=t,s.fragmentLoader=new p.default(t.config),s.fragmentTracker=r,s.config=t.config,s.decrypter=new v.default(t,t.config),t.on(l.Events.KEY_LOADED,s.onKeyLoaded,function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(s)),s}r=e,(t=s).prototype=Object.create(r.prototype),t.prototype.constructor=t,S(t,r);var b,_,L,A=s.prototype;return A.doTick=function(){this.onTickEnd()},A.onTickEnd=function(){},A.startLoad=function(e){},A.stopLoad=function(){this.fragmentLoader.abort();var e=this.fragCurrent;e&&this.fragmentTracker.removeFragment(e),this.resetTransmuxer(),this.fragCurrent=null,this.fragPrevious=null,this.clearInterval(),this.clearNextTick(),this.state=T.STOPPED},A._streamEnded=function(e,t){var r=this.fragCurrent,i=this.fragmentTracker;if(!t.live&&r&&r.sn>=t.endSN&&!e.nextStart){var s=t.partList;if(null!=s&&s.length){var o=s[s.length-1];return a.BufferHelper.isBuffered(this.media,o.start+o.duration/2)}var l=i.getState(r);return l===n.FragmentState.PARTIAL||l===n.FragmentState.OK}return!1},A.onMediaAttached=function(e,t){var r=this.media=this.mediaBuffer=t.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===T.STOPPED&&this.startLoad(i.startPosition)},A.onMediaDetaching=function(){var e=this.media;null!=e&&e.ended&&(this.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0),e&&(e.removeEventListener("seeking",this.onvseeking),e.removeEventListener("ended",this.onvended),this.onvseeking=this.onvended=null),this.media=this.mediaBuffer=null,this.loadedmetadata=!1,this.fragmentTracker.removeAllFragments(),this.stopLoad()},A.onMediaSeeking=function(){var e=this.config,t=this.fragCurrent,r=this.media,s=this.mediaBuffer,n=this.state,o=r?r.currentTime:0,l=a.BufferHelper.bufferInfo(s||r,o,e.maxBufferHole);if(this.log("media seeking to "+(Object(i.isFiniteNumber)(o)?o.toFixed(3):o)+", state: "+n),n===T.ENDED)this.resetLoadingState();else if(t&&!l.len){var h=e.maxFragLookUpTolerance,u=t.start-h,c=o>t.start+t.duration+h;(o<u||c)&&(c&&t.loader&&(this.log("seeking outside of buffer while fragment load in progress, cancel fragment load"),t.loader.abort()),this.resetLoadingState())}r&&(this.lastCurrentTime=o),this.loadedmetadata||l.len||(this.nextLoadPosition=this.startPosition=o),this.tickImmediate()},A.onMediaEnded=function(){this.startPosition=this.lastCurrentTime=0},A.onKeyLoaded=function(e,t){if(this.state===T.KEY_LOADING&&t.frag===this.fragCurrent&&this.levels){this.state=T.IDLE;var r=this.levels[t.frag.level].details;r&&this.loadFragment(t.frag,r,t.frag.start)}},A.onHandlerDestroying=function(){this.stopLoad(),e.prototype.onHandlerDestroying.call(this)},A.onHandlerDestroyed=function(){this.state=T.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,e.prototype.onHandlerDestroyed.call(this)},A.loadKey=function(e,t){this.log("Loading key for "+e.sn+" of ["+t.startSN+"-"+t.endSN+"], "+("[stream-controller]"===this.logPrefix?"level":"track")+" "+e.level),this.state=T.KEY_LOADING,this.fragCurrent=e,this.hls.trigger(l.Events.KEY_LOADING,{frag:e})},A.loadFragment=function(e,t,r){this._loadFragForPlayback(e,t,r)},A._loadFragForPlayback=function(e,t,r){var i=this;this._doFragLoad(e,t,r,(function(t){if(i.fragContextChanged(e))return i.warn("Fragment "+e.sn+(t.part?" p: "+t.part.index:"")+" of level "+e.level+" was dropped during download."),void i.fragmentTracker.removeFragment(e);e.stats.chunkCount++,i._handleFragmentLoadProgress(t)})).then((function(t){if(t){i.fragLoadError=0;var r=i.state;if(!i.fragContextChanged(e))return"payload"in t&&(i.log("Loaded fragment "+e.sn+" of level "+e.level),i.hls.trigger(l.Events.FRAG_LOADED,t),i.state===T.BACKTRACKING)?(i.fragmentTracker.backtrack(e,t),void i.resetFragmentLoading(e)):void i._handleFragmentLoadComplete(t);(r===T.FRAG_LOADING||r===T.BACKTRACKING||!i.fragCurrent&&r===T.PARSING)&&(i.fragmentTracker.removeFragment(e),i.state=T.IDLE)}})).catch((function(t){i.warn(t),i.resetFragmentLoading(e)}))},A.flushMainBuffer=function(e,t,r){if(void 0===r&&(r=null),e-t){var i={startOffset:e,endOffset:t,type:r};this.fragLoadError=0,this.hls.trigger(l.Events.BUFFER_FLUSHING,i)}},A._loadInitSegment=function(e){var t=this;this._doFragLoad(e).then((function(r){if(!r||t.fragContextChanged(e)||!t.levels)throw new Error("init load aborted");return r})).then((function(r){var i=t.hls,s=r.payload,n=e.decryptdata;if(s&&s.byteLength>0&&n&&n.key&&n.iv&&"AES-128"===n.method){var a=self.performance.now();return t.decrypter.webCryptoDecrypt(new Uint8Array(s),n.key.buffer,n.iv.buffer).then((function(t){var s=self.performance.now();return i.trigger(l.Events.FRAG_DECRYPTED,{frag:e,payload:t,stats:{tstart:a,tdecrypt:s}}),r.payload=t,r}))}return r})).then((function(r){var i=t.fragCurrent,s=t.hls,n=t.levels;if(!n)throw new Error("init load aborted, missing levels");var a=n[e.level].details;console.assert(a,"Level details are defined when init segment is loaded");var o=e.stats;t.state=T.IDLE,t.fragLoadError=0,e.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&&s.trigger(l.Events.FRAG_BUFFERED,{stats:o,frag:i,part:null,id:e.type}),t.tick()})).catch((function(r){t.warn(r),t.resetFragmentLoading(e)}))},A.fragContextChanged=function(e){var t=this.fragCurrent;return!e||!t||e.level!==t.level||e.sn!==t.sn||e.urlId!==t.urlId},A.fragBufferedComplete=function(e,t){var r=this.mediaBuffer?this.mediaBuffer:this.media;this.log("Buffered "+e.type+" sn: "+e.sn+(t?" part: "+t.index:"")+" of "+("[stream-controller]"===this.logPrefix?"level":"track")+" "+e.level+" "+m.default.toString(a.BufferHelper.getBuffered(r))),this.state=T.IDLE,this.tick()},A._handleFragmentLoadComplete=function(e){var t=this.transmuxer;if(t){var r=e.frag,i=e.part,s=e.partsLoaded,n=!s||0===s.length||s.some((function(e){return!e})),a=new u.ChunkMetadata(r.level,r.sn,r.stats.chunkCount+1,0,i?i.index:-1,!n);t.flush(a)}},A._handleFragmentLoadProgress=function(e){},A._doFragLoad=function(e,t,r,s){var n=this;if(void 0===r&&(r=null),!this.levels)throw new Error("frag load aborted, missing levels");if(r=Math.max(e.start,r||0),this.config.lowLatencyMode&&t){var a=t.partList;if(a&&s){r>e.end&&t.fragmentHint&&(e=t.fragmentHint);var o=this.getNextPart(a,e,r);if(o>-1){var h=a[o];return this.log("Loading part sn: "+e.sn+" p: "+h.index+" cc: "+e.cc+" of playlist ["+t.startSN+"-"+t.endSN+"] parts [0-"+o+"-"+(a.length-1)+"] "+("[stream-controller]"===this.logPrefix?"level":"track")+": "+e.level+", target: "+parseFloat(r.toFixed(3))),this.nextLoadPosition=h.start+h.duration,this.state=T.FRAG_LOADING,this.hls.trigger(l.Events.FRAG_LOADING,{frag:e,part:a[o],targetBufferTime:r}),this.doFragPartsLoad(e,a,o,s).catch((function(e){return n.handleFragLoadError(e)}))}if(!e.url||this.loadedEndOfParts(a,r))return Promise.resolve(null)}}return this.log("Loading fragment "+e.sn+" cc: "+e.cc+" "+(t?"of ["+t.startSN+"-"+t.endSN+"] ":"")+("[stream-controller]"===this.logPrefix?"level":"track")+": "+e.level+", target: "+parseFloat(r.toFixed(3))),Object(i.isFiniteNumber)(e.sn)&&!this.bitrateTest&&(this.nextLoadPosition=e.start+e.duration),this.state=T.FRAG_LOADING,this.hls.trigger(l.Events.FRAG_LOADING,{frag:e,targetBufferTime:r}),this.fragmentLoader.load(e,s).catch((function(e){return n.handleFragLoadError(e)}))},A.doFragPartsLoad=function(e,t,r,i){var s=this;return new Promise((function(n,a){var o=[];!function r(h){var u=t[h];s.fragmentLoader.loadPart(e,u,i).then((function(i){o[u.index]=i;var a=i.part;s.hls.trigger(l.Events.FRAG_LOADED,i);var c=t[h+1];if(!c||c.fragment!==e)return n({frag:e,part:a,partsLoaded:o});r(h+1)})).catch(a)}(r)}))},A.handleFragLoadError=function(e){var t=e.data;return t&&t.details===h.ErrorDetails.INTERNAL_ABORTED?this.handleFragLoadAborted(t.frag,t.part):this.hls.trigger(l.Events.ERROR,t),null},A._handleTransmuxerFlush=function(e){var t=this.getCurrentContext(e);if(t&&this.state===T.PARSING){var r=t.frag,i=t.part,s=t.level,n=self.performance.now();r.stats.parsing.end=n,i&&(i.stats.parsing.end=n),this.updateLevelTiming(r,i,s,e.partial)}else this.fragCurrent||(this.state=T.IDLE)},A.getCurrentContext=function(e){var t=this.levels,r=e.level,i=e.sn,s=e.part;if(!t||!t[r])return this.warn("Levels object was unset while buffering fragment "+i+" of level "+r+". The current chunk will not be buffered."),null;var n=t[r],a=s>-1?Object(g.getPartWith)(n,i,s):null,o=a?a.fragment:Object(g.getFragmentWithSN)(n,i,this.fragCurrent);return o?{frag:o,part:a,level:n}:null},A.bufferFragmentData=function(e,t,r,i){if(e&&this.state===T.PARSING){var s=e.data1,n=e.data2,a=s;if(s&&n&&(a=Object(c.appendUint8Array)(s,n)),a&&a.length){var o={type:e.type,frag:t,part:r,chunkMeta:i,parent:t.type,data:a};this.hls.trigger(l.Events.BUFFER_APPENDING,o),e.dropped&&e.independent&&!r&&this.flushBufferGap(t)}}},A.flushBufferGap=function(e){var t=this.media;if(t)if(a.BufferHelper.isBuffered(t,t.currentTime)){var r=t.currentTime,i=a.BufferHelper.bufferInfo(t,r,0),s=e.duration,n=Math.min(2*this.config.maxFragLookUpTolerance,.25*s),o=Math.max(Math.min(e.start-n,i.end-n),r+n);e.start-o>n&&this.flushMainBuffer(o,e.start)}else this.flushMainBuffer(0,e.start)},A.getFwdBufferInfo=function(e,t){var r=this.config,s=this.getLoadPosition();if(!Object(i.isFiniteNumber)(s))return null;var n=a.BufferHelper.bufferInfo(e,s,r.maxBufferHole);if(0===n.len&&void 0!==n.nextStart){var o=this.fragmentTracker.getBufferedFrag(s,t);if(o&&n.nextStart<o.end)return a.BufferHelper.bufferInfo(e,s,Math.max(n.nextStart,r.maxBufferHole))}return n},A.getMaxBufferLength=function(e){var t,r=this.config;return t=e?Math.max(8*r.maxBufferSize/e,r.maxBufferLength):r.maxBufferLength,Math.min(t,r.maxMaxBufferLength)},A.reduceMaxBufferLength=function(e){var t=this.config,r=e||t.maxBufferLength;return t.maxMaxBufferLength>=r&&(t.maxMaxBufferLength/=2,this.warn("Reduce max buffer length to "+t.maxMaxBufferLength+"s"),!0)},A.getNextFragment=function(e,t){var r,i,s=t.fragments,n=s.length;if(!n)return null;var a,o=this.config,l=s[0].start;if(t.live){var h=o.initialLiveManifestSize;if(n<h)return this.warn("Not enough fragments to start playback (have: "+n+", need: "+h+")"),null;t.PTSKnown||this.startFragRequested||-1!==this.startPosition||(a=this.getInitialLiveFragment(t,s),this.startPosition=a?this.hls.liveSyncPosition||a.start:e)}else e<=l&&(a=s[0]);if(!a){var u=o.lowLatencyMode?t.partEnd:t.fragmentEnd;a=this.getFragmentAtPosition(e,u,t)}return null===(r=a)||void 0===r||!r.initSegment||null!==(i=a)&&void 0!==i&&i.initSegment.data||this.bitrateTest||(a=a.initSegment),a},A.getNextPart=function(e,t,r){for(var i=-1,s=!1,n=!0,a=0,o=e.length;a<o;a++){var l=e[a];if(n=n&&!l.independent,i>-1&&r<l.start)break;var h=l.loaded;!h&&(s||l.independent||n)&&l.fragment===t&&(i=a),s=h}return i},A.loadedEndOfParts=function(e,t){var r=e[e.length-1];return r&&t>r.start&&r.loaded},A.getInitialLiveFragment=function(e,t){var r=this.fragPrevious,i=null;if(r){if(e.hasProgramDateTime&&(this.log("Live playlist, switching playlist, load frag with same PDT: "+r.programDateTime),i=Object(f.findFragmentByPDT)(t,r.endProgramDateTime,this.config.maxFragLookUpTolerance)),!i){var s=r.sn+1;if(s>=e.startSN&&s<=e.endSN){var n=t[s-e.startSN];r.cc===n.cc&&(i=n,this.log("Live playlist, switching playlist, load frag with next SN: "+i.sn))}i||(i=Object(f.findFragWithCC)(t,r.cc))&&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?e.fragmentEnd:e.edge,e))}return i},A.getFragmentAtPosition=function(e,t,r){var i,s=this.config,a=this.fragPrevious,o=r.fragments,l=r.endSN,h=r.fragmentHint,u=s.maxFragLookUpTolerance,c=!!(s.lowLatencyMode&&r.partList&&h);if(c&&h&&!this.bitrateTest&&(o=o.concat(h),l=h.sn),e<t){var d=e>t-u?0:u;i=Object(f.findFragmentByPTS)(a,o,e,d)}else i=o[o.length-1];if(i){var g=i.sn-r.startSN,p=a&&i.level===a.level,v=o[g+1];if(this.fragmentTracker.getState(i)===n.FragmentState.BACKTRACKED){i=null;for(var m=g;o[m]&&this.fragmentTracker.getState(o[m])===n.FragmentState.BACKTRACKED;)i=a?o[m--]:o[--m];i||(i=v)}else a&&i.sn===a.sn&&!c&&p&&(i.sn<l&&this.fragmentTracker.getState(v)!==n.FragmentState.OK?(this.log("SN "+i.sn+" just loaded, load next one: "+v.sn),i=v):i=null)}return i},A.synchronizeToLiveEdge=function(e){var t=this.config,r=this.media;if(r){var i=this.hls.liveSyncPosition,s=r.currentTime,n=e.fragments[0].start,a=e.edge,o=s>=n-t.maxFragLookUpTolerance&&s<=a;if(null!==i&&r.duration>i&&(s<i||!o)){var l=void 0!==t.liveMaxLatencyDuration?t.liveMaxLatencyDuration:t.liveMaxLatencyDurationCount*e.targetduration;(!o&&r.readyState<4||s<a-l)&&(this.loadedmetadata||(this.nextLoadPosition=i),r.readyState&&(this.warn("Playback: "+s.toFixed(3)+" is located too far from the end of live sliding playlist: "+a+", reset currentTime to : "+i.toFixed(3)),r.currentTime=i))}}},A.alignPlaylists=function(e,t){var r=this.levels,s=this.levelLastLoaded,n=this.fragPrevious,a=null!==s?r[s]:null,o=e.fragments.length;if(!o)return this.warn("No fragments in live playlist"),0;var l=e.fragments[0].start,h=!t,u=e.alignedSliding&&Object(i.isFiniteNumber)(l);if(h||!u&&!l){Object(d.alignStream)(n,a,e);var c=e.fragments[0].start;return this.log("Live playlist sliding: "+c.toFixed(2)+" start-sn: "+(t?t.startSN:"na")+"->"+e.startSN+" prev-sn: "+(n?n.sn:"na")+" fragments: "+o),c}return l},A.waitForCdnTuneIn=function(e){return e.live&&e.canBlockReload&&e.tuneInGoal>Math.max(e.partHoldBack,3*e.partTarget)},A.setStartPosition=function(e,t){var r=this.startPosition;if(r<t&&(r=-1),-1===r||-1===this.lastCurrentTime){var s=e.startTimeOffset;Object(i.isFiniteNumber)(s)?(r=t+s,s<0&&(r+=e.totalduration),r=Math.min(Math.max(t,r),t+e.totalduration),this.log("Start time offset "+s+" found in playlist, adjust startPosition to "+r),this.startPosition=r):e.live?r=this.hls.liveSyncPosition||t:this.startPosition=r=0,this.lastCurrentTime=r}this.nextLoadPosition=r},A.getLoadPosition=function(){var e=this.media,t=0;return this.loadedmetadata&&e?t=e.currentTime:this.nextLoadPosition&&(t=this.nextLoadPosition),t},A.handleFragLoadAborted=function(e,t){this.transmuxer&&"initSegment"!==e.sn&&e.stats.aborted&&(this.warn("Fragment "+e.sn+(t?" part"+t.index:"")+" of level "+e.level+" was aborted"),this.resetFragmentLoading(e))},A.resetFragmentLoading=function(e){this.fragCurrent&&this.fragContextChanged(e)||(this.state=T.IDLE)},A.onFragmentOrKeyLoadError=function(e,t){if(!t.fatal){var r=t.frag;if(r&&r.type===e){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 s=this.config;if(this.fragLoadError+1<=s.fragLoadingMaxRetry){if(this.resetLiveStartWhenNotLoaded(r.level))return;var n=Math.min(Math.pow(2,this.fragLoadError)*s.fragLoadingRetryDelay,s.fragLoadingMaxRetryTimeout);this.warn("Fragment "+r.sn+" of "+e+" "+r.level+" failed to load, retrying in "+n+"ms"),this.retryDate=self.performance.now()+n,this.fragLoadError++,this.state=T.FRAG_LOADING_WAITING_RETRY}else t.levelRetry?(e===y.PlaylistLevelType.AUDIO&&(this.fragCurrent=null),this.fragLoadError=0,this.state=T.IDLE):(o.logger.error(t.details+" reaches max retry, redispatch as fatal ..."),t.fatal=!0,this.hls.stopLoad(),this.state=T.ERROR)}}},A.afterBufferFlushed=function(e,t,r){if(e){var i=a.BufferHelper.getBuffered(e);this.fragmentTracker.detectEvictedFragments(t,i,r),this.state===T.ENDED&&this.resetLoadingState()}},A.resetLoadingState=function(){this.fragCurrent=null,this.fragPrevious=null,this.state=T.IDLE},A.resetLiveStartWhenNotLoaded=function(e){if(!this.loadedmetadata){this.startFragRequested=!1;var t=this.levels?this.levels[e].details:null;if(null!=t&&t.live)return this.startPosition=-1,this.setStartPosition(t,0),this.resetLoadingState(),!0;this.nextLoadPosition=this.startPosition}return!1},A.updateLevelTiming=function(e,t,r,i){var s=this,n=r.details;console.assert(!!n,"level.details must be defined"),Object.keys(e.elementaryStreams).reduce((function(t,a){var o=e.elementaryStreams[a];if(o){var h=o.endPTS-o.startPTS;if(h<=0)return s.warn("Could not parse fragment "+e.sn+" "+a+" duration reliably ("+h+") resetting transmuxer to fallback to playlist timing"),s.resetTransmuxer(),t||!1;var u=i?0:Object(g.updateFragPTSDTS)(n,e,o.startPTS,o.endPTS,o.startDTS,o.endDTS);return s.hls.trigger(l.Events.LEVEL_PTS_UPDATED,{details:n,level:r,drift:u,type:a,frag:e,start:o.startPTS,end:o.endPTS}),!0}return t}),!1)?(this.state=T.PARSED,this.hls.trigger(l.Events.FRAG_PARSED,{frag:e,part:t})):this.resetLoadingState()},A.resetTransmuxer=function(){this.transmuxer&&(this.transmuxer.destroy(),this.transmuxer=null)},b=s,(_=[{key:"state",get:function(){return this._state},set:function(e){var t=this._state;t!==e&&(this._state=e,this.log(t+"->"+e))}}])&&E(b.prototype,_),L&&E(b,L),s}(s.default)},"./src/controller/buffer-controller.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"default",(function(){return f}));var i=r("./src/polyfills/number.ts"),s=r("./src/events.ts"),n=r("./src/utils/logger.ts"),a=r("./src/errors.ts"),o=r("./src/utils/buffer-helper.ts"),l=r("./src/utils/mediasource-helper.ts"),h=r("./src/loader/fragment.ts"),u=r("./src/controller/buffer-operation-queue.ts"),c=Object(l.getMediaSource)(),d=/([ha]vc.)(?:\.[^.,]+)+/,f=function(){function e(e){var t=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 e=t.hls,r=t.media,i=t.mediaSource;n.logger.log("[buffer-controller]: Media source opened"),r&&(t.updateMediaElementDuration(),e.trigger(s.Events.MEDIA_ATTACHED,{media:r})),i&&i.removeEventListener("sourceopen",t._onMediaSourceOpen),t.checkPendingTracks()},this._onMediaSourceClose=function(){n.logger.log("[buffer-controller]: Media source closed")},this._onMediaSourceEnded=function(){n.logger.log("[buffer-controller]: Media source ended")},this.hls=e,this._initSourceBuffer(),this.registerListeners()}var t=e.prototype;return t.hasSourceTypes=function(){return this.getSourceBufferTypes().length>0||Object.keys(this.pendingTracks).length>0},t.destroy=function(){this.unregisterListeners(),this.details=null},t.registerListeners=function(){var e=this.hls;e.on(s.Events.MEDIA_ATTACHING,this.onMediaAttaching,this),e.on(s.Events.MEDIA_DETACHING,this.onMediaDetaching,this),e.on(s.Events.MANIFEST_PARSED,this.onManifestParsed,this),e.on(s.Events.BUFFER_RESET,this.onBufferReset,this),e.on(s.Events.BUFFER_APPENDING,this.onBufferAppending,this),e.on(s.Events.BUFFER_CODECS,this.onBufferCodecs,this),e.on(s.Events.BUFFER_EOS,this.onBufferEos,this),e.on(s.Events.BUFFER_FLUSHING,this.onBufferFlushing,this),e.on(s.Events.LEVEL_UPDATED,this.onLevelUpdated,this),e.on(s.Events.FRAG_PARSED,this.onFragParsed,this),e.on(s.Events.FRAG_CHANGED,this.onFragChanged,this)},t.unregisterListeners=function(){var e=this.hls;e.off(s.Events.MEDIA_ATTACHING,this.onMediaAttaching,this),e.off(s.Events.MEDIA_DETACHING,this.onMediaDetaching,this),e.off(s.Events.MANIFEST_PARSED,this.onManifestParsed,this),e.off(s.Events.BUFFER_RESET,this.onBufferReset,this),e.off(s.Events.BUFFER_APPENDING,this.onBufferAppending,this),e.off(s.Events.BUFFER_CODECS,this.onBufferCodecs,this),e.off(s.Events.BUFFER_EOS,this.onBufferEos,this),e.off(s.Events.BUFFER_FLUSHING,this.onBufferFlushing,this),e.off(s.Events.LEVEL_UPDATED,this.onLevelUpdated,this),e.off(s.Events.FRAG_PARSED,this.onFragParsed,this),e.off(s.Events.FRAG_CHANGED,this.onFragChanged,this)},t._initSourceBuffer=function(){this.sourceBuffer={},this.operationQueue=new u.default(this.sourceBuffer),this.listeners={audio:[],video:[],audiovideo:[]}},t.onManifestParsed=function(e,t){var r=2;(t.audio&&!t.video||!t.altAudio)&&(r=1),this.bufferCodecEventsExpected=this._bufferCodecEventsTotal=r,this.details=null,n.logger.log(this.bufferCodecEventsExpected+" bufferCodec event(s) expected")},t.onMediaAttaching=function(e,t){var r=this.media=t.media;if(r&&c){var i=this.mediaSource=new c;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}},t.onMediaDetaching=function(){var e=this.media,t=this.mediaSource,r=this._objectUrl;if(t){if(n.logger.log("[buffer-controller]: media source detaching"),"open"===t.readyState)try{t.endOfStream()}catch(e){n.logger.warn("[buffer-controller]: onMediaDetaching: "+e.message+" while calling endOfStream")}this.onBufferReset(),t.removeEventListener("sourceopen",this._onMediaSourceOpen),t.removeEventListener("sourceended",this._onMediaSourceEnded),t.removeEventListener("sourceclose",this._onMediaSourceClose),e&&(r&&self.URL.revokeObjectURL(r),e.src===r?(e.removeAttribute("src"),e.load()):n.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(s.Events.MEDIA_DETACHED,void 0)},t.onBufferReset=function(){var e=this;this.getSourceBufferTypes().forEach((function(t){var r=e.sourceBuffer[t];try{r&&(e.removeBufferListeners(t),e.mediaSource&&e.mediaSource.removeSourceBuffer(r),e.sourceBuffer[t]=void 0)}catch(e){n.logger.warn("[buffer-controller]: Failed to reset the "+t+" buffer",e)}})),this._initSourceBuffer()},t.onBufferCodecs=function(e,t){var r=this,i=this.getSourceBufferTypes().length;Object.keys(t).forEach((function(e){if(i){var s=r.tracks[e];if(s&&"function"==typeof s.buffer.changeType){var n=t[e],a=n.codec,o=n.levelCodec,l=n.container;if((s.levelCodec||s.codec).replace(d,"$1")!==(o||a).replace(d,"$1")){var h=l+";codecs="+(o||a);r.appendChangeType(e,h)}}}else r.pendingTracks[e]=t[e]})),i||(this.bufferCodecEventsExpected=Math.max(this.bufferCodecEventsExpected-1,0),this.mediaSource&&"open"===this.mediaSource.readyState&&this.checkPendingTracks())},t.appendChangeType=function(e,t){var r=this,i=this.operationQueue,s={execute:function(){var s=r.sourceBuffer[e];s&&(n.logger.log("[buffer-controller]: changing "+e+" sourceBuffer type to "+t),s.changeType(t)),i.shiftAndExecuteNext(e)},onStart:function(){},onComplete:function(){},onError:function(t){n.logger.warn("[buffer-controller]: Failed to change "+e+" SourceBuffer type",t)}};i.append(s,e)},t.onBufferAppending=function(e,t){var r=this,i=this.hls,l=this.operationQueue,h=this.tracks,u=t.data,c=t.type,d=t.frag,f=t.part,g=t.chunkMeta,p=g.buffering[c],v=self.performance.now();p.start=v;var m=d.stats.buffering,y=f?f.stats.buffering:null;0===m.start&&(m.start=v),y&&0===y.start&&(y.start=v);var E=h.audio,S="audio"===c&&1===g.id&&"audio/mpeg"===(null==E?void 0:E.container),T={execute:function(){if(p.executeStart=self.performance.now(),S){var e=r.sourceBuffer[c];if(e){var t=d.start-e.timestampOffset;Math.abs(t)>=.1&&(n.logger.log("[buffer-controller]: Updating audio SourceBuffer timestampOffset to "+d.start+" (delta: "+t+") sn: "+d.sn+")"),e.timestampOffset=d.start)}}r.appendExecutor(u,c)},onStart:function(){},onComplete:function(){var e=self.performance.now();p.executeEnd=p.end=e,0===m.first&&(m.first=e),y&&0===y.first&&(y.first=e);var t=r.sourceBuffer,i={};for(var n in t)i[n]=o.BufferHelper.getBuffered(t[n]);r.appendError=0,r.hls.trigger(s.Events.BUFFER_APPENDED,{type:c,frag:d,part:f,chunkMeta:g,parent:d.type,timeRanges:i})},onError:function(e){n.logger.error("[buffer-controller]: Error encountered while trying to append to the "+c+" SourceBuffer",e);var t={type:a.ErrorTypes.MEDIA_ERROR,parent:d.type,details:a.ErrorDetails.BUFFER_APPEND_ERROR,err:e,fatal:!1};e.code===DOMException.QUOTA_EXCEEDED_ERR?t.details=a.ErrorDetails.BUFFER_FULL_ERROR:(r.appendError++,t.details=a.ErrorDetails.BUFFER_APPEND_ERROR,r.appendError>i.config.appendErrorMaxRetry&&(n.logger.error("[buffer-controller]: Failed "+i.config.appendErrorMaxRetry+" times to append segment in sourceBuffer"),t.fatal=!0)),i.trigger(s.Events.ERROR,t)}};l.append(T,c)},t.onBufferFlushing=function(e,t){var r=this,i=this.operationQueue,a=function(e){return{execute:r.removeExecutor.bind(r,e,t.startOffset,t.endOffset),onStart:function(){},onComplete:function(){r.hls.trigger(s.Events.BUFFER_FLUSHED,{type:e})},onError:function(t){n.logger.warn("[buffer-controller]: Failed to remove from "+e+" SourceBuffer",t)}}};t.type?i.append(a(t.type),t.type):this.getSourceBufferTypes().forEach((function(e){i.append(a(e),e)}))},t.onFragParsed=function(e,t){var r=this,i=t.frag,a=t.part,o=[],l=a?a.elementaryStreams:i.elementaryStreams;l[h.ElementaryStreamTypes.AUDIOVIDEO]?o.push("audiovideo"):(l[h.ElementaryStreamTypes.AUDIO]&&o.push("audio"),l[h.ElementaryStreamTypes.VIDEO]&&o.push("video")),0===o.length&&n.logger.warn("Fragments must have at least one ElementaryStreamType set. type: "+i.type+" level: "+i.level+" sn: "+i.sn),this.blockBuffers((function(){var e=self.performance.now();i.stats.buffering.end=e,a&&(a.stats.buffering.end=e);var t=a?a.stats:i.stats;r.hls.trigger(s.Events.FRAG_BUFFERED,{frag:i,part:a,stats:t,id:i.type})}),o)},t.onFragChanged=function(e,t){this.flushBackBuffer()},t.onBufferEos=function(e,t){var r=this;this.getSourceBufferTypes().reduce((function(e,i){var s=r.sourceBuffer[i];return t.type&&t.type!==i||s&&!s.ended&&(s.ended=!0,n.logger.log("[buffer-controller]: "+i+" sourceBuffer now EOS")),e&&!(s&&!s.ended)}),!0)&&this.blockBuffers((function(){var e=r.mediaSource;e&&"open"===e.readyState&&e.endOfStream()}))},t.onLevelUpdated=function(e,t){var r=t.details;r.fragments.length&&(this.details=r,this.getSourceBufferTypes().length?this.blockBuffers(this.updateMediaElementDuration.bind(this)):this.updateMediaElementDuration())},t.flushBackBuffer=function(){var e=this.hls,t=this.details,r=this.media,n=this.sourceBuffer;if(r&&null!==t){var a=this.getSourceBufferTypes();if(a.length){var l=t.live&&null!==e.config.liveBackBufferLength?e.config.liveBackBufferLength:e.config.backBufferLength;if(Object(i.isFiniteNumber)(l)&&!(l<0)){var h=r.currentTime,u=t.levelTargetDuration,c=Math.max(l,u),d=Math.floor(h/u)*u-c;a.forEach((function(r){var i=n[r];if(i){var a=o.BufferHelper.getBuffered(i);a.length>0&&d>a.start(0)&&(e.trigger(s.Events.BACK_BUFFER_REACHED,{bufferEnd:d}),t.live&&e.trigger(s.Events.LIVE_BACK_BUFFER_REACHED,{bufferEnd:d}),e.trigger(s.Events.BUFFER_FLUSHING,{startOffset:0,endOffset:d,type:r}))}}))}}}},t.updateMediaElementDuration=function(){if(this.details&&this.media&&this.mediaSource&&"open"===this.mediaSource.readyState){var e=this.details,t=this.hls,r=this.media,s=this.mediaSource,a=e.fragments[0].start+e.totalduration,o=r.duration,l=Object(i.isFiniteNumber)(s.duration)?s.duration:0;e.live&&t.config.liveDurationInfinity?(n.logger.log("[buffer-controller]: Media Source duration is set to Infinity"),s.duration=1/0,this.updateSeekableRange(e)):(a>l&&a>o||!Object(i.isFiniteNumber)(o))&&(n.logger.log("[buffer-controller]: Updating Media Source duration to "+a.toFixed(3)),s.duration=a)}},t.updateSeekableRange=function(e){var t=this.mediaSource,r=e.fragments;if(r.length&&e.live&&null!=t&&t.setLiveSeekableRange){var i=Math.max(0,r[0].start),s=Math.max(i,i+e.totalduration);t.setLiveSeekableRange(i,s)}},t.checkPendingTracks=function(){var e=this.bufferCodecEventsExpected,t=this.operationQueue,r=this.pendingTracks,i=Object.keys(r).length;if(i&&!e||2===i){this.createSourceBuffers(r),this.pendingTracks={};var n=this.getSourceBufferTypes();if(0===n.length)return void this.hls.trigger(s.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)"});n.forEach((function(e){t.executeNext(e)}))}},t.createSourceBuffers=function(e){var t=this.sourceBuffer,r=this.mediaSource;if(!r)throw Error("createSourceBuffers called when mediaSource was null");var i=0;for(var o in e)if(!t[o]){var l=e[o];if(!l)throw Error("source buffer exists for track "+o+", however track does not");var h=l.levelCodec||l.codec,u=l.container+";codecs="+h;n.logger.log("[buffer-controller]: creating sourceBuffer("+u+")");try{var c=t[o]=r.addSourceBuffer(u),d=o;this.addBufferListener(d,"updatestart",this._onSBUpdateStart),this.addBufferListener(d,"updateend",this._onSBUpdateEnd),this.addBufferListener(d,"error",this._onSBUpdateError),this.tracks[o]={buffer:c,codec:h,container:l.container,levelCodec:l.levelCodec,id:l.id},i++}catch(e){n.logger.error("[buffer-controller]: error while trying to add sourceBuffer: "+e.message),this.hls.trigger(s.Events.ERROR,{type:a.ErrorTypes.MEDIA_ERROR,details:a.ErrorDetails.BUFFER_ADD_CODEC_ERROR,fatal:!1,error:e,mimeType:u})}}i&&this.hls.trigger(s.Events.BUFFER_CREATED,{tracks:this.tracks})},t._onSBUpdateStart=function(e){this.operationQueue.current(e).onStart()},t._onSBUpdateEnd=function(e){var t=this.operationQueue;t.current(e).onComplete(),t.shiftAndExecuteNext(e)},t._onSBUpdateError=function(e,t){n.logger.error("[buffer-controller]: "+e+" SourceBuffer error",t),this.hls.trigger(s.Events.ERROR,{type:a.ErrorTypes.MEDIA_ERROR,details:a.ErrorDetails.BUFFER_APPENDING_ERROR,fatal:!1});var r=this.operationQueue.current(e);r&&r.onError(t)},t.removeExecutor=function(e,t,r){var s=this.media,a=this.mediaSource,o=this.operationQueue,l=this.sourceBuffer[e];if(!s||!a||!l)return n.logger.warn("[buffer-controller]: Attempting to remove from the "+e+" SourceBuffer, but it does not exist"),void o.shiftAndExecuteNext(e);var h=Object(i.isFiniteNumber)(s.duration)?s.duration:1/0,u=Object(i.isFiniteNumber)(a.duration)?a.duration:1/0,c=Math.max(0,t),d=Math.min(r,h,u);d>c?(n.logger.log("[buffer-controller]: Removing ["+c+","+d+"] from the "+e+" SourceBuffer"),console.assert(!l.updating,e+" sourceBuffer must not be updating"),l.remove(c,d)):o.shiftAndExecuteNext(e)},t.appendExecutor=function(e,t){var r=this.operationQueue,i=this.sourceBuffer[t];if(!i)return n.logger.warn("[buffer-controller]: Attempting to append to the "+t+" SourceBuffer, but it does not exist"),void r.shiftAndExecuteNext(t);i.ended=!1,console.assert(!i.updating,t+" sourceBuffer must not be updating"),i.appendBuffer(e)},t.blockBuffers=function(e,t){var r=this;if(void 0===t&&(t=this.getSourceBufferTypes()),!t.length)return n.logger.log("[buffer-controller]: Blocking operation requested, but no SourceBuffers exist"),void Promise.resolve(e);var i=this.operationQueue,s=t.map((function(e){return i.appendBlocker(e)}));Promise.all(s).then((function(){e(),t.forEach((function(e){var t=r.sourceBuffer[e];t&&t.updating||i.shiftAndExecuteNext(e)}))}))},t.getSourceBufferTypes=function(){return Object.keys(this.sourceBuffer)},t.addBufferListener=function(e,t,r){var i=this.sourceBuffer[e];if(i){var s=r.bind(this,e);this.listeners[e].push({event:t,listener:s}),i.addEventListener(t,s)}},t.removeBufferListeners=function(e){var t=this.sourceBuffer[e];t&&this.listeners[e].forEach((function(e){t.removeEventListener(e.event,e.listener)}))},e}()},"./src/controller/buffer-operation-queue.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"default",(function(){return s}));var i=r("./src/utils/logger.ts"),s=function(){function e(e){this.buffers=void 0,this.queues={video:[],audio:[],audiovideo:[]},this.buffers=e}var t=e.prototype;return t.append=function(e,t){var r=this.queues[t];r.push(e),1===r.length&&this.buffers[t]&&this.executeNext(t)},t.insertAbort=function(e,t){this.queues[t].unshift(e),this.executeNext(t)},t.appendBlocker=function(e){var t,r=new Promise((function(e){t=e})),i={execute:t,onStart:function(){},onComplete:function(){},onError:function(){}};return this.append(i,e),r},t.executeNext=function(e){var t=this.buffers,r=this.queues,s=t[e],n=r[e];if(n.length){var a=n[0];try{a.execute()}catch(t){i.logger.warn("[buffer-operation-queue]: Unhandled exception executing the current operation"),a.onError(t),s&&s.updating||(n.shift(),this.executeNext(e))}}},t.shiftAndExecuteNext=function(e){this.queues[e].shift(),this.executeNext(e)},t.current=function(e){return this.queues[e][0]},e}()},"./src/controller/cap-level-controller.ts":function(e,t,r){"use strict";r.r(t);var i=r("./src/events.ts");function s(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var n=function(){function e(e){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=e,this.autoLevelCapping=Number.POSITIVE_INFINITY,this.firstLevel=-1,this.media=null,this.restrictedLevels=[],this.timer=void 0,this.clientRect=null,this.registerListeners()}var t,r,n,a=e.prototype;return a.setStreamController=function(e){this.streamController=e},a.destroy=function(){this.unregisterListener(),this.hls.config.capLevelToPlayerSize&&this.stopCapping(),this.media=null,this.clientRect=null,this.hls=this.streamController=null},a.registerListeners=function(){var e=this.hls;e.on(i.Events.FPS_DROP_LEVEL_CAPPING,this.onFpsDropLevelCapping,this),e.on(i.Events.MEDIA_ATTACHING,this.onMediaAttaching,this),e.on(i.Events.MANIFEST_PARSED,this.onManifestParsed,this),e.on(i.Events.BUFFER_CODECS,this.onBufferCodecs,this),e.on(i.Events.MEDIA_DETACHING,this.onMediaDetaching,this)},a.unregisterListener=function(){var e=this.hls;e.off(i.Events.FPS_DROP_LEVEL_CAPPING,this.onFpsDropLevelCapping,this),e.off(i.Events.MEDIA_ATTACHING,this.onMediaAttaching,this),e.off(i.Events.MANIFEST_PARSED,this.onManifestParsed,this),e.off(i.Events.BUFFER_CODECS,this.onBufferCodecs,this),e.off(i.Events.MEDIA_DETACHING,this.onMediaDetaching,this)},a.onFpsDropLevelCapping=function(t,r){e.isLevelAllowed(r.droppedLevel,this.restrictedLevels)&&this.restrictedLevels.push(r.droppedLevel)},a.onMediaAttaching=function(e,t){this.media=t.media instanceof HTMLVideoElement?t.media:null},a.onManifestParsed=function(e,t){var r=this.hls;this.restrictedLevels=[],this.firstLevel=t.firstLevel,r.config.capLevelToPlayerSize&&t.video&&this.startCapping()},a.onBufferCodecs=function(e,t){this.hls.config.capLevelToPlayerSize&&t.video&&this.startCapping()},a.onMediaDetaching=function(){this.stopCapping()},a.detectPlayerSize=function(){if(this.media&&this.mediaHeight>0&&this.mediaWidth>0){var e=this.hls.levels;if(e.length){var t=this.hls;t.autoLevelCapping=this.getMaxLevel(e.length-1),t.autoLevelCapping>this.autoLevelCapping&&this.streamController&&this.streamController.nextLevelSwitch(),this.autoLevelCapping=t.autoLevelCapping}}},a.getMaxLevel=function(t){var r=this,i=this.hls.levels;if(!i.length)return-1;var s=i.filter((function(i,s){return e.isLevelAllowed(s,r.restrictedLevels)&&s<=t}));return this.clientRect=null,e.getMaxLevelByMediaSize(s,this.mediaWidth,this.mediaHeight)},a.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())},a.stopCapping=function(){this.restrictedLevels=[],this.firstLevel=-1,this.autoLevelCapping=Number.POSITIVE_INFINITY,this.timer&&(self.clearInterval(this.timer),this.timer=void 0)},a.getDimensions=function(){if(this.clientRect)return this.clientRect;var e=this.media,t={width:0,height:0};if(e){var r=e.getBoundingClientRect();t.width=r.width,t.height=r.height,t.width||t.height||(t.width=r.right-r.left||e.width||0,t.height=r.bottom-r.top||e.height||0)}return this.clientRect=t,t},e.isLevelAllowed=function(e,t){return void 0===t&&(t=[]),-1===t.indexOf(e)},e.getMaxLevelByMediaSize=function(e,t,r){if(!e||!e.length)return-1;for(var i,s,n=e.length-1,a=0;a<e.length;a+=1){var o=e[a];if((o.width>=t||o.height>=r)&&(i=o,!(s=e[a+1])||i.width!==s.width||i.height!==s.height)){n=a;break}}return n},t=e,n=[{key:"contentScaleFactor",get:function(){var e=1;try{e=self.devicePixelRatio}catch(e){}return e}}],(r=[{key:"mediaWidth",get:function(){return this.getDimensions().width*e.contentScaleFactor}},{key:"mediaHeight",get:function(){return this.getDimensions().height*e.contentScaleFactor}}])&&s(t.prototype,r),n&&s(t,n),e}();t.default=n},"./src/controller/cmcd-controller.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"default",(function(){return d}));var i=r("./src/events.ts"),s=r("./src/types/cmcd.ts"),n=r("./src/utils/buffer-helper.ts"),a=r("./src/utils/logger.ts");function o(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}function l(e,t,r){return t&&o(e.prototype,t),r&&o(e,r),e}function h(e,t){var r="undefined"!=typeof Symbol&&e[Symbol.iterator]||e["@@iterator"];if(r)return(r=r.call(e)).next.bind(r);if(Array.isArray(e)||(r=function(e,t){if(e){if("string"==typeof e)return u(e,t);var r=Object.prototype.toString.call(e).slice(8,-1);return"Object"===r&&e.constructor&&(r=e.constructor.name),"Map"===r||"Set"===r?Array.from(e):"Arguments"===r||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(r)?u(e,t):void 0}}(e))||t&&e&&"number"==typeof e.length){r&&(e=r);var i=0;return function(){return i>=e.length?{done:!0}:{done:!1,value:e[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 u(e,t){(null==t||t>e.length)&&(t=e.length);for(var r=0,i=new Array(t);r<t;r++)i[r]=e[r];return i}function c(){return c=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var i in r)Object.prototype.hasOwnProperty.call(r,i)&&(e[i]=r[i])}return e},c.apply(this,arguments)}var d=function(){function e(t){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(e){try{r.apply(e,{ot:s.CMCDObjectType.MANIFEST,su:!r.initialized})}catch(e){a.logger.warn("Could not generate manifest CMCD data.",e)}},this.applyFragmentData=function(e){try{var t=e.frag,i=r.hls.levels[t.level],n=r.getObjectType(t),o={d:1e3*t.duration,ot:n};n!==s.CMCDObjectType.VIDEO&&n!==s.CMCDObjectType.AUDIO&&n!=s.CMCDObjectType.MUXED||(o.br=i.bitrate/1e3,o.tb=r.getTopBandwidth(n)/1e3,o.bl=r.getBufferLength(n)),r.apply(e,o)}catch(e){a.logger.warn("Could not generate segment CMCD data.",e)}},this.hls=t;var i=this.config=t.config,n=i.cmcd;null!=n&&(i.pLoader=this.createPlaylistLoader(),i.fLoader=this.createFragmentLoader(),this.sid=n.sessionId||e.uuid(),this.cid=n.contentId,this.useHeaders=!0===n.useHeaders,this.registerListeners())}var t=e.prototype;return t.registerListeners=function(){var e=this.hls;e.on(i.Events.MEDIA_ATTACHED,this.onMediaAttached,this),e.on(i.Events.MEDIA_DETACHED,this.onMediaDetached,this),e.on(i.Events.BUFFER_CREATED,this.onBufferCreated,this)},t.unregisterListeners=function(){var e=this.hls;e.off(i.Events.MEDIA_ATTACHED,this.onMediaAttached,this),e.off(i.Events.MEDIA_DETACHED,this.onMediaDetached,this),e.off(i.Events.BUFFER_CREATED,this.onBufferCreated,this),this.onMediaDetached()},t.destroy=function(){this.unregisterListeners(),this.hls=this.config=this.audioBuffer=this.videoBuffer=null},t.onMediaAttached=function(e,t){this.media=t.media,this.media.addEventListener("waiting",this.onWaiting),this.media.addEventListener("playing",this.onPlaying)},t.onMediaDetached=function(){this.media&&(this.media.removeEventListener("waiting",this.onWaiting),this.media.removeEventListener("playing",this.onPlaying),this.media=null)},t.onBufferCreated=function(e,t){var r,i;this.audioBuffer=null===(r=t.tracks.audio)||void 0===r?void 0:r.buffer,this.videoBuffer=null===(i=t.tracks.video)||void 0===i?void 0:i.buffer},t.createData=function(){var e;return{v:s.CMCDVersion,sf:s.CMCDStreamingFormat.HLS,sid:this.sid,cid:this.cid,pr:null===(e=this.media)||void 0===e?void 0:e.playbackRate,mtp:this.hls.bandwidthEstimate/1e3}},t.apply=function(t,r){void 0===r&&(r={}),c(r,this.createData());var i=r.ot===s.CMCDObjectType.INIT||r.ot===s.CMCDObjectType.VIDEO||r.ot===s.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 n=e.toHeaders(r);if(!Object.keys(n).length)return;t.headers||(t.headers={}),c(t.headers,n)}else{var a=e.toQuery(r);if(!a)return;t.url=e.appendQueryToUri(t.url,a)}},t.getObjectType=function(e){var t=e.type;return"subtitle"===t?s.CMCDObjectType.TIMED_TEXT:"initSegment"===e.sn?s.CMCDObjectType.INIT:"audio"===t?s.CMCDObjectType.AUDIO:"main"===t?this.hls.audioTracks.length?s.CMCDObjectType.VIDEO:s.CMCDObjectType.MUXED:void 0},t.getTopBandwidth=function(e){var t,r=0,i=this.hls;if(e===s.CMCDObjectType.AUDIO)t=i.audioTracks;else{var n=i.maxAutoLevel,a=n>-1?n+1:i.levels.length;t=i.levels.slice(0,a)}for(var o,l=h(t);!(o=l()).done;){var u=o.value;u.bitrate>r&&(r=u.bitrate)}return r>0?r:NaN},t.getBufferLength=function(e){var t=this.hls.media,r=e===s.CMCDObjectType.AUDIO?this.audioBuffer:this.videoBuffer;return r&&t?1e3*n.BufferHelper.bufferInfo(r,t.currentTime,this.config.maxBufferHole).len:NaN},t.createPlaylistLoader=function(){var e=this.config.pLoader,t=this.applyPlaylistData,r=e||this.config.loader;return function(){function e(e){this.loader=void 0,this.loader=new r(e)}var i=e.prototype;return i.destroy=function(){this.loader.destroy()},i.abort=function(){this.loader.abort()},i.load=function(e,r,i){t(e),this.loader.load(e,r,i)},l(e,[{key:"stats",get:function(){return this.loader.stats}},{key:"context",get:function(){return this.loader.context}}]),e}()},t.createFragmentLoader=function(){var e=this.config.fLoader,t=this.applyFragmentData,r=e||this.config.loader;return function(){function e(e){this.loader=void 0,this.loader=new r(e)}var i=e.prototype;return i.destroy=function(){this.loader.destroy()},i.abort=function(){this.loader.abort()},i.load=function(e,r,i){t(e),this.loader.load(e,r,i)},l(e,[{key:"stats",get:function(){return this.loader.stats}},{key:"context",get:function(){return this.loader.context}}]),e}()},e.uuid=function(){var e=URL.createObjectURL(new Blob),t=e.toString();return URL.revokeObjectURL(e),t.substr(t.lastIndexOf("/")+1)},e.serialize=function(e){for(var t,r=[],i=function(e){return!Number.isNaN(e)&&null!=e&&""!==e&&!1!==e},s=function(e){return Math.round(e)},n=function(e){return 100*s(e/100)},a={br:s,d:s,bl:n,dl:n,mtp:n,nor:function(e){return encodeURIComponent(e)},rtp:n,tb:s},o=h(Object.keys(e||{}).sort());!(t=o()).done;){var l=t.value,u=e[l];if(i(u)&&!("v"===l&&1===u||"pr"==l&&1===u)){var c=a[l];c&&(u=c(u));var d=typeof u,f=void 0;f="ot"===l||"sf"===l||"st"===l?l+"="+u:"boolean"===d?l:"number"===d?l+"="+u:l+"="+JSON.stringify(u),r.push(f)}}return r.join(",")},e.toHeaders=function(t){for(var r={},i=["Object","Request","Session","Status"],s=[{},{},{},{}],n={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},a=0,o=Object.keys(t);a<o.length;a++){var l=o[a];s[null!=n[l]?n[l]:1][l]=t[l]}for(var h=0;h<s.length;h++){var u=e.serialize(s[h]);u&&(r["CMCD-"+i[h]]=u)}return r},e.toQuery=function(t){return"CMCD="+encodeURIComponent(e.serialize(t))},e.appendQueryToUri=function(e,t){if(!t)return e;var r=e.includes("?")?"&":"?";return""+e+r+t},e}()},"./src/controller/eme-controller.ts":function(e,t,r){"use strict";r.r(t);var i=r("./src/events.ts"),s=r("./src/errors.ts"),n=r("./src/utils/logger.ts"),a=r("./src/utils/mediakeys-helper.ts");function o(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var l=function(){function e(e){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=e,this._config=e.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 t,r,l,h=e.prototype;return h.destroy=function(){this._unregisterListeners(),this.hls=this._onMediaEncrypted=null,this._requestMediaKeySystemAccess=null},h._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)},h._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)},h.getLicenseServerUrl=function(e){switch(e){case a.KeySystems.WIDEVINE:if(!this._widevineLicenseUrl)break;return this._widevineLicenseUrl}throw new Error('no license server URL configured for key-system "'+e+'"')},h._attemptKeySystemAccess=function(e,t,r){var i=this,s=function(e,t,r,i){if(e===a.KeySystems.WIDEVINE)return function(e,t,r){var i={audioCapabilities:[],videoCapabilities:[]};return e.forEach((function(e){i.audioCapabilities.push({contentType:'audio/mp4; codecs="'+e+'"',robustness:r.audioRobustness||""})})),t.forEach((function(e){i.videoCapabilities.push({contentType:'video/mp4; codecs="'+e+'"',robustness:r.videoRobustness||""})})),[i]}(t,r,i);throw new Error("Unknown key-system: "+e)}(e,t,r,this._drmSystemOptions);n.logger.log("Requesting encrypted media key-system access");var o=this.requestMediaKeySystemAccess(e,s);this.mediaKeysPromise=o.then((function(t){return i._onMediaKeySystemAccessObtained(e,t)})),o.catch((function(t){n.logger.error('Failed to obtain key-system "'+e+'" access:',t)}))},h._onMediaKeySystemAccessObtained=function(e,t){var r=this;n.logger.log('Access for key-system "'+e+'" obtained');var i={mediaKeysSessionInitialized:!1,mediaKeySystemAccess:t,mediaKeySystemDomain:e};this._mediaKeysList.push(i);var s=Promise.resolve().then((function(){return t.createMediaKeys()})).then((function(t){return i.mediaKeys=t,n.logger.log('Media-keys created for key-system "'+e+'"'),r._onMediaKeysCreated(),t}));return s.catch((function(e){n.logger.error("Failed to create media-keys:",e)})),s},h._onMediaKeysCreated=function(){var e=this;this._mediaKeysList.forEach((function(t){t.mediaKeysSession||(t.mediaKeysSession=t.mediaKeys.createSession(),e._onNewMediaKeySession(t.mediaKeysSession))}))},h._onNewMediaKeySession=function(e){var t=this;n.logger.log("New key-system session "+e.sessionId),e.addEventListener("message",(function(r){t._onKeySessionMessage(e,r.message)}),!1)},h._onKeySessionMessage=function(e,t){n.logger.log("Got EME message event, creating license request"),this._requestLicense(t,(function(t){n.logger.log("Received license data (length: "+(t?t.byteLength:t)+"), updating key-session"),e.update(t)}))},h.onMediaEncrypted=function(e){var t=this;if(n.logger.log('Media is encrypted using "'+e.initDataType+'" init data type'),!this.mediaKeysPromise)return n.logger.error("Fatal: Media is encrypted but no CDM access or no keys have been requested"),void this.hls.trigger(i.Events.ERROR,{type:s.ErrorTypes.KEY_SYSTEM_ERROR,details:s.ErrorDetails.KEY_SYSTEM_NO_KEYS,fatal:!0});var r=function(r){t._media&&(t._attemptSetMediaKeys(r),t._generateRequestWithPreferredKeySession(e.initDataType,e.initData))};this.mediaKeysPromise.then(r).catch(r)},h._attemptSetMediaKeys=function(e){if(!this._media)throw new Error("Attempted to set mediaKeys without first attaching a media element");if(!this._hasSetMediaKeys){var t=this._mediaKeysList[0];if(!t||!t.mediaKeys)return n.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:s.ErrorTypes.KEY_SYSTEM_ERROR,details:s.ErrorDetails.KEY_SYSTEM_NO_KEYS,fatal:!0});n.logger.log("Setting keys for encrypted media"),this._media.setMediaKeys(t.mediaKeys),this._hasSetMediaKeys=!0}},h._generateRequestWithPreferredKeySession=function(e,t){var r=this,a=this._mediaKeysList[0];if(!a)return n.logger.error("Fatal: Media is encrypted but not any key-system access has been obtained yet"),void this.hls.trigger(i.Events.ERROR,{type:s.ErrorTypes.KEY_SYSTEM_ERROR,details:s.ErrorDetails.KEY_SYSTEM_NO_ACCESS,fatal:!0});if(a.mediaKeysSessionInitialized)n.logger.warn("Key-Session already initialized but requested again");else{var o=a.mediaKeysSession;if(!o)return n.logger.error("Fatal: Media is encrypted but no key-session existing"),void this.hls.trigger(i.Events.ERROR,{type:s.ErrorTypes.KEY_SYSTEM_ERROR,details:s.ErrorDetails.KEY_SYSTEM_NO_SESSION,fatal:!0});if(!t)return n.logger.warn("Fatal: initData required for generating a key session is null"),void this.hls.trigger(i.Events.ERROR,{type:s.ErrorTypes.KEY_SYSTEM_ERROR,details:s.ErrorDetails.KEY_SYSTEM_NO_INIT_DATA,fatal:!0});n.logger.log('Generating key-session request for "'+e+'" init data type'),a.mediaKeysSessionInitialized=!0,o.generateRequest(e,t).then((function(){n.logger.debug("Key-session generation succeeded")})).catch((function(e){n.logger.error("Error generating key-session request:",e),r.hls.trigger(i.Events.ERROR,{type:s.ErrorTypes.KEY_SYSTEM_ERROR,details:s.ErrorDetails.KEY_SYSTEM_NO_SESSION,fatal:!1})}))}},h._createLicenseXhr=function(e,t,r){var i=new XMLHttpRequest;i.responseType="arraybuffer",i.onreadystatechange=this._onLicenseRequestReadyStageChange.bind(this,i,e,t,r);var s=this._licenseXhrSetup;if(s)try{s.call(this.hls,i,e),s=void 0}catch(e){n.logger.error(e)}try{i.readyState||i.open("POST",e,!0),s&&s.call(this.hls,i,e)}catch(e){throw new Error("issue setting up KeySystem license XHR "+e)}return i},h._onLicenseRequestReadyStageChange=function(e,t,r,a){if(4===e.readyState)if(200===e.status){this._requestLicenseFailureCount=0,n.logger.log("License request succeeded");var o=e.response,l=this._licenseResponseCallback;if(l)try{o=l.call(this.hls,e,t)}catch(e){n.logger.error(e)}a(o)}else{if(n.logger.error("License Request XHR failed ("+t+"). Status: "+e.status+" ("+e.statusText+")"),this._requestLicenseFailureCount++,this._requestLicenseFailureCount>3)return void this.hls.trigger(i.Events.ERROR,{type:s.ErrorTypes.KEY_SYSTEM_ERROR,details:s.ErrorDetails.KEY_SYSTEM_LICENSE_REQUEST_FAILED,fatal:!0});var h=3-this._requestLicenseFailureCount+1;n.logger.warn("Retrying license request, "+h+" attempts left"),this._requestLicense(r,a)}},h._generateLicenseRequestChallenge=function(e,t){if(e.mediaKeySystemDomain===a.KeySystems.WIDEVINE)return t;throw new Error("unsupported key-system: "+e.mediaKeySystemDomain)},h._requestLicense=function(e,t){n.logger.log("Requesting content license for key-system");var r=this._mediaKeysList[0];if(!r)return n.logger.error("Fatal error: Media is encrypted but no key-system access has been obtained yet"),void this.hls.trigger(i.Events.ERROR,{type:s.ErrorTypes.KEY_SYSTEM_ERROR,details:s.ErrorDetails.KEY_SYSTEM_NO_ACCESS,fatal:!0});try{var a=this.getLicenseServerUrl(r.mediaKeySystemDomain),o=this._createLicenseXhr(a,e,t);n.logger.log("Sending license request to URL: "+a);var l=this._generateLicenseRequestChallenge(r,e);o.send(l)}catch(e){n.logger.error("Failure requesting DRM license: "+e),this.hls.trigger(i.Events.ERROR,{type:s.ErrorTypes.KEY_SYSTEM_ERROR,details:s.ErrorDetails.KEY_SYSTEM_LICENSE_REQUEST_FAILED,fatal:!0})}},h.onMediaAttached=function(e,t){if(this._emeEnabled){var r=t.media;this._media=r,r.addEventListener("encrypted",this._onMediaEncrypted)}},h.onMediaDetached=function(){var e=this._media,t=this._mediaKeysList;e&&(e.removeEventListener("encrypted",this._onMediaEncrypted),this._media=null,this._mediaKeysList=[],Promise.all(t.map((function(e){if(e.mediaKeysSession)return e.mediaKeysSession.close().catch((function(){}))}))).then((function(){return e.setMediaKeys(null)})).catch((function(){})))},h.onManifestParsed=function(e,t){if(this._emeEnabled){var r=t.levels.map((function(e){return e.audioCodec})).filter((function(e){return!!e})),i=t.levels.map((function(e){return e.videoCodec})).filter((function(e){return!!e}));this._attemptKeySystemAccess(a.KeySystems.WIDEVINE,r,i)}},t=e,(r=[{key:"requestMediaKeySystemAccess",get:function(){if(!this._requestMediaKeySystemAccess)throw new Error("No requestMediaKeySystemAccess function configured");return this._requestMediaKeySystemAccess}}])&&o(t.prototype,r),l&&o(t,l),e}();t.default=l},"./src/controller/fps-controller.ts":function(e,t,r){"use strict";r.r(t);var i=r("./src/events.ts"),s=r("./src/utils/logger.ts"),n=function(){function e(e){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=e,this.registerListeners()}var t=e.prototype;return t.setStreamController=function(e){this.streamController=e},t.registerListeners=function(){this.hls.on(i.Events.MEDIA_ATTACHING,this.onMediaAttaching,this)},t.unregisterListeners=function(){this.hls.off(i.Events.MEDIA_ATTACHING,this.onMediaAttaching)},t.destroy=function(){this.timer&&clearInterval(this.timer),this.unregisterListeners(),this.isVideoPlaybackQualityAvailable=!1,this.media=null},t.onMediaAttaching=function(e,t){var r=this.hls.config;if(r.capLevelOnFPSDrop){var i=t.media instanceof self.HTMLVideoElement?t.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)}},t.checkFPS=function(e,t,r){var n=performance.now();if(t){if(this.lastTime){var a=n-this.lastTime,o=r-this.lastDroppedFrames,l=t-this.lastDecodedFrames,h=1e3*o/a,u=this.hls;if(u.trigger(i.Events.FPS_DROP,{currentDropped:o,currentDecoded:l,totalDroppedFrames:r}),h>0&&o>u.config.fpsDroppedMonitoringThreshold*l){var c=u.currentLevel;s.logger.warn("drop FPS ratio greater than max allowed value for currentLevel: "+c),c>0&&(-1===u.autoLevelCapping||u.autoLevelCapping>=c)&&(c-=1,u.trigger(i.Events.FPS_DROP_LEVEL_CAPPING,{level:c,droppedLevel:u.currentLevel}),u.autoLevelCapping=c,this.streamController.nextLevelSwitch())}}this.lastTime=n,this.lastDroppedFrames=r,this.lastDecodedFrames=t}},t.checkFPSInterval=function(){var e=this.media;if(e)if(this.isVideoPlaybackQualityAvailable){var t=e.getVideoPlaybackQuality();this.checkFPS(e,t.totalVideoFrames,t.droppedVideoFrames)}else this.checkFPS(e,e.webkitDecodedFrameCount,e.webkitDroppedFrameCount)},e}();t.default=n},"./src/controller/fragment-finders.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"findFragmentByPDT",(function(){return n})),r.d(t,"findFragmentByPTS",(function(){return a})),r.d(t,"fragmentWithinToleranceTest",(function(){return o})),r.d(t,"pdtWithinToleranceTest",(function(){return l})),r.d(t,"findFragWithCC",(function(){return h}));var i=r("./src/polyfills/number.ts"),s=r("./src/utils/binary-search.ts");function n(e,t,r){if(null===t||!Array.isArray(e)||!e.length||!Object(i.isFiniteNumber)(t))return null;if(t<(e[0].programDateTime||0))return null;if(t>=(e[e.length-1].endProgramDateTime||0))return null;r=r||0;for(var s=0;s<e.length;++s){var n=e[s];if(l(t,r,n))return n}return null}function a(e,t,r,i){void 0===r&&(r=0),void 0===i&&(i=0);var n=null;if(e?n=t[e.sn-t[0].sn+1]||null:0===r&&0===t[0].start&&(n=t[0]),n&&0===o(r,i,n))return n;var a=s.default.search(t,o.bind(null,r,i));return a||n}function o(e,t,r){void 0===e&&(e=0),void 0===t&&(t=0);var i=Math.min(t,r.duration+(r.deltaPTS?r.deltaPTS:0));return r.start+r.duration-i<=e?1:r.start-i>e&&r.start?-1:0}function l(e,t,r){var i=1e3*Math.min(t,r.duration+(r.deltaPTS?r.deltaPTS:0));return(r.endProgramDateTime||0)-i>e}function h(e,t){return s.default.search(e,(function(e){return e.cc<t?1:e.cc>t?-1:0}))}},"./src/controller/fragment-tracker.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"FragmentState",(function(){return i})),r.d(t,"FragmentTracker",(function(){return a}));var i,s=r("./src/events.ts"),n=r("./src/types/loader.ts");!function(e){e.NOT_LOADED="NOT_LOADED",e.BACKTRACKED="BACKTRACKED",e.APPENDING="APPENDING",e.PARTIAL="PARTIAL",e.OK="OK"}(i||(i={}));var a=function(){function e(e){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=e,this._registerListeners()}var t=e.prototype;return t._registerListeners=function(){var e=this.hls;e.on(s.Events.BUFFER_APPENDED,this.onBufferAppended,this),e.on(s.Events.FRAG_BUFFERED,this.onFragBuffered,this),e.on(s.Events.FRAG_LOADED,this.onFragLoaded,this)},t._unregisterListeners=function(){var e=this.hls;e.off(s.Events.BUFFER_APPENDED,this.onBufferAppended,this),e.off(s.Events.FRAG_BUFFERED,this.onFragBuffered,this),e.off(s.Events.FRAG_LOADED,this.onFragLoaded,this)},t.destroy=function(){this._unregisterListeners(),this.fragments=this.timeRanges=null},t.getAppendedFrag=function(e,t){if(t===n.PlaylistLevelType.MAIN){var r=this.activeFragment,i=this.activeParts;if(!r)return null;if(i)for(var s=i.length;s--;){var a=i[s],o=a?a.end:r.appendedPTS;if(a.start<=e&&void 0!==o&&e<=o)return s>9&&(this.activeParts=i.slice(s-9)),a}else if(r.start<=e&&void 0!==r.appendedPTS&&e<=r.appendedPTS)return r}return this.getBufferedFrag(e,t)},t.getBufferedFrag=function(e,t){for(var r=this.fragments,i=Object.keys(r),s=i.length;s--;){var n=r[i[s]];if((null==n?void 0:n.body.type)===t&&n.buffered){var a=n.body;if(a.start<=e&&e<=a.end)return a}}return null},t.detectEvictedFragments=function(e,t,r){var i=this;Object.keys(this.fragments).forEach((function(s){var n=i.fragments[s];if(n)if(n.buffered){var a=n.range[e];a&&a.time.some((function(e){var r=!i.isTimeBuffered(e.startPTS,e.endPTS,t);return r&&i.removeFragment(n.body),r}))}else n.body.type===r&&i.removeFragment(n.body)}))},t.detectPartialFragments=function(e){var t=this,r=this.timeRanges,i=e.frag,s=e.part;if(r&&"initSegment"!==i.sn){var n=l(i),a=this.fragments[n];a&&(Object.keys(r).forEach((function(e){var n=i.elementaryStreams[e];if(n){var o=r[e],l=null!==s||!0===n.partial;a.range[e]=t.getBufferedTimes(i,s,l,o)}})),a.backtrack=a.loaded=null,Object.keys(a.range).length?a.buffered=!0:this.removeFragment(a.body))}},t.fragBuffered=function(e){var t=l(e),r=this.fragments[t];r&&(r.backtrack=r.loaded=null,r.buffered=!0)},t.getBufferedTimes=function(e,t,r,i){for(var s={time:[],partial:r},n=t?t.start:e.start,a=t?t.end:e.end,o=e.minEndPTS||a,l=e.maxStartPTS||n,h=0;h<i.length;h++){var u=i.start(h)-this.bufferPadding,c=i.end(h)+this.bufferPadding;if(l>=u&&o<=c){s.time.push({startPTS:Math.max(n,i.start(h)),endPTS:Math.min(a,i.end(h))});break}if(n<c&&a>u)s.partial=!0,s.time.push({startPTS:Math.max(n,i.start(h)),endPTS:Math.min(a,i.end(h))});else if(a<=u)break}return s},t.getPartialFragment=function(e){var t,r,i,s=null,n=0,a=this.bufferPadding,l=this.fragments;return Object.keys(l).forEach((function(h){var u=l[h];u&&o(u)&&(r=u.body.start-a,i=u.body.end+a,e>=r&&e<=i&&(t=Math.min(e-r,i-e),n<=t&&(s=u.body,n=t)))})),s},t.getState=function(e){var t=l(e),r=this.fragments[t];return r?r.buffered?o(r)?i.PARTIAL:i.OK:r.backtrack?i.BACKTRACKED:i.APPENDING:i.NOT_LOADED},t.backtrack=function(e,t){var r=l(e),i=this.fragments[r];if(!i||i.backtrack)return null;var s=i.backtrack=t||i.loaded;return i.loaded=null,s},t.getBacktrackData=function(e){var t=l(e),r=this.fragments[t];if(r){var i,s=r.backtrack;if(null!=s&&null!==(i=s.payload)&&void 0!==i&&i.byteLength)return s;this.removeFragment(e)}return null},t.isTimeBuffered=function(e,t,r){for(var i,s,n=0;n<r.length;n++){if(i=r.start(n)-this.bufferPadding,s=r.end(n)+this.bufferPadding,e>=i&&t<=s)return!0;if(t<=i)return!1}return!1},t.onFragLoaded=function(e,t){var r=t.frag,i=t.part;if("initSegment"!==r.sn&&!r.bitrateTest&&!i){var s=l(r);this.fragments[s]={body:r,loaded:t,backtrack:null,buffered:!1,range:Object.create(null)}}},t.onBufferAppended=function(e,t){var r=this,i=t.frag,s=t.part,a=t.timeRanges;if(i.type===n.PlaylistLevelType.MAIN)if(this.activeFragment=i,s){var o=this.activeParts;o||(this.activeParts=o=[]),o.push(s)}else this.activeParts=null;this.timeRanges=a,Object.keys(a).forEach((function(e){var t=a[e];if(r.detectEvictedFragments(e,t),!s)for(var n=0;n<t.length;n++)i.appendedPTS=Math.max(t.end(n),i.appendedPTS||0)}))},t.onFragBuffered=function(e,t){this.detectPartialFragments(t)},t.hasFragment=function(e){var t=l(e);return!!this.fragments[t]},t.removeFragmentsInRange=function(e,t,r){var i=this;Object.keys(this.fragments).forEach((function(s){var n=i.fragments[s];if(n&&n.buffered){var a=n.body;a.type===r&&a.start<t&&a.end>e&&i.removeFragment(a)}}))},t.removeFragment=function(e){var t=l(e);e.stats.loaded=0,e.clearElementaryStreamInfo(),delete this.fragments[t]},t.removeAllFragments=function(){this.fragments=Object.create(null),this.activeFragment=null,this.activeParts=null},e}();function o(e){var t,r;return e.buffered&&((null===(t=e.range.video)||void 0===t?void 0:t.partial)||(null===(r=e.range.audio)||void 0===r?void 0:r.partial))}function l(e){return e.type+"_"+e.level+"_"+e.urlId+"_"+e.sn}},"./src/controller/gap-controller.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"STALL_MINIMUM_DURATION_MS",(function(){return o})),r.d(t,"MAX_START_GAP_JUMP",(function(){return l})),r.d(t,"SKIP_BUFFER_HOLE_STEP_SECONDS",(function(){return h})),r.d(t,"SKIP_BUFFER_RANGE_START",(function(){return u})),r.d(t,"default",(function(){return c}));var i=r("./src/utils/buffer-helper.ts"),s=r("./src/errors.ts"),n=r("./src/events.ts"),a=r("./src/utils/logger.ts"),o=250,l=2,h=.1,u=.05,c=function(){function e(e,t,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=e,this.media=t,this.fragmentTracker=r,this.hls=i}var t=e.prototype;return t.destroy=function(){this.hls=this.fragmentTracker=this.media=null},t.poll=function(e){var t=this.config,r=this.media,s=this.stalled,n=r.currentTime,h=r.seeking,u=this.seeking&&!h,c=!this.seeking&&h;if(this.seeking=h,n===e){if((c||u)&&(this.stalled=null),!r.paused&&!r.ended&&0!==r.playbackRate&&i.BufferHelper.getBuffered(r).length){var d=i.BufferHelper.bufferInfo(r,n,0),f=d.len>0,g=d.nextStart||0;if(f||g){if(h){var p=d.len>l,v=!g||g-n>l&&!this.fragmentTracker.getPartialFragment(n);if(p||v)return;this.moved=!1}if(!this.moved&&null!==this.stalled){var m,y=Math.max(g,d.start||0)-n,E=this.hls.levels?this.hls.levels[this.hls.currentLevel]:null,S=(null==E||null===(m=E.details)||void 0===m?void 0:m.live)?2*E.details.targetduration:l;if(y>0&&y<=S)return void this._trySkipBufferHole(null)}var T=self.performance.now();if(null!==s){var b=T-s;!h&&b>=o&&this._reportStall(d.len);var _=i.BufferHelper.bufferInfo(r,n,t.maxBufferHole);this._tryFixBufferStall(_,b)}else this.stalled=T}}}else if(this.moved=!0,null!==s){if(this.stallReported){var L=self.performance.now()-s;a.logger.warn("playback not stuck anymore @"+n+", after "+Math.round(L)+"ms"),this.stallReported=!1}this.stalled=null,this.nudgeRetry=0}},t._tryFixBufferStall=function(e,t){var r=this.config,i=this.fragmentTracker,s=this.media.currentTime,n=i.getPartialFragment(s);n&&this._trySkipBufferHole(n)||e.len>r.maxBufferHole&&t>1e3*r.highBufferWatchdogPeriod&&(a.logger.warn("Trying to nudge playhead over buffer-hole"),this.stalled=null,this._tryNudgeBuffer())},t._reportStall=function(e){var t=this.hls,r=this.media;this.stallReported||(this.stallReported=!0,a.logger.warn("Playback stalling at @"+r.currentTime+" due to low buffer (buffer="+e+")"),t.trigger(n.Events.ERROR,{type:s.ErrorTypes.MEDIA_ERROR,details:s.ErrorDetails.BUFFER_STALLED_ERROR,fatal:!1,buffer:e}))},t._trySkipBufferHole=function(e){for(var t=this.config,r=this.hls,o=this.media,l=o.currentTime,c=0,d=i.BufferHelper.getBuffered(o),f=0;f<d.length;f++){var g=d.start(f);if(l+t.maxBufferHole>=c&&l<g){var p=Math.max(g+u,o.currentTime+h);return a.logger.warn("skipping hole, adjusting currentTime from "+l+" to "+p),this.moved=!0,this.stalled=null,o.currentTime=p,e&&r.trigger(n.Events.ERROR,{type:s.ErrorTypes.MEDIA_ERROR,details:s.ErrorDetails.BUFFER_SEEK_OVER_HOLE,fatal:!1,reason:"fragment loaded with buffer holes, seeking from "+l+" to "+p,frag:e}),p}c=d.end(f)}return 0},t._tryNudgeBuffer=function(){var e=this.config,t=this.hls,r=this.media,i=r.currentTime,o=(this.nudgeRetry||0)+1;if(this.nudgeRetry=o,o<e.nudgeMaxRetry){var l=i+o*e.nudgeOffset;a.logger.warn("Nudging 'currentTime' from "+i+" to "+l),r.currentTime=l,t.trigger(n.Events.ERROR,{type:s.ErrorTypes.MEDIA_ERROR,details:s.ErrorDetails.BUFFER_NUDGE_ON_STALL,fatal:!1})}else a.logger.error("Playhead still not moving while enough data buffered @"+i+" after "+e.nudgeMaxRetry+" nudges"),t.trigger(n.Events.ERROR,{type:s.ErrorTypes.MEDIA_ERROR,details:s.ErrorDetails.BUFFER_STALLED_ERROR,fatal:!0})},e}()},"./src/controller/id3-track-controller.ts":function(e,t,r){"use strict";r.r(t);var i=r("./src/events.ts"),s=r("./src/utils/texttrack-utils.ts"),n=r("./src/demux/id3.ts"),a=function(){function e(e){this.hls=void 0,this.id3Track=null,this.media=null,this.hls=e,this._registerListeners()}var t=e.prototype;return t.destroy=function(){this._unregisterListeners()},t._registerListeners=function(){var e=this.hls;e.on(i.Events.MEDIA_ATTACHED,this.onMediaAttached,this),e.on(i.Events.MEDIA_DETACHING,this.onMediaDetaching,this),e.on(i.Events.FRAG_PARSING_METADATA,this.onFragParsingMetadata,this),e.on(i.Events.BUFFER_FLUSHING,this.onBufferFlushing,this)},t._unregisterListeners=function(){var e=this.hls;e.off(i.Events.MEDIA_ATTACHED,this.onMediaAttached,this),e.off(i.Events.MEDIA_DETACHING,this.onMediaDetaching,this),e.off(i.Events.FRAG_PARSING_METADATA,this.onFragParsingMetadata,this),e.off(i.Events.BUFFER_FLUSHING,this.onBufferFlushing,this)},t.onMediaAttached=function(e,t){this.media=t.media},t.onMediaDetaching=function(){this.id3Track&&(Object(s.clearCurrentCues)(this.id3Track),this.id3Track=null,this.media=null)},t.getID3Track=function(e){if(this.media){for(var t=0;t<e.length;t++){var r=e[t];if("metadata"===r.kind&&"id3"===r.label)return Object(s.sendAddTrackEvent)(r,this.media),r}return this.media.addTextTrack("metadata","id3")}},t.onFragParsingMetadata=function(e,t){if(this.media){var r=t.frag,i=t.samples;this.id3Track||(this.id3Track=this.getID3Track(this.media.textTracks),this.id3Track.mode="hidden");for(var s=self.WebKitDataCue||self.VTTCue||self.TextTrackCue,a=0;a<i.length;a++){var o=n.getID3Frames(i[a].data);if(o){var l=i[a].pts,h=a<i.length-1?i[a+1].pts:r.end;h-l<=0&&(h=l+.25);for(var u=0;u<o.length;u++){var c=o[u];if(!n.isTimeStampFrame(c)){var d=new s(l,h,"");d.value=c,this.id3Track.addCue(d)}}}}}},t.onBufferFlushing=function(e,t){var r=t.startOffset,i=t.endOffset,n=t.type;if(!n||"audio"===n){var a=this.id3Track;a&&Object(s.removeCuesInRange)(a,r,i)}},e}();t.default=a},"./src/controller/latency-controller.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"default",(function(){return o}));var i=r("./src/errors.ts"),s=r("./src/events.ts"),n=r("./src/utils/logger.ts");function a(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var o=function(){function e(e){var t=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 t.timeupdate()},this.hls=e,this.config=e.config,this.registerListeners()}var t,r,o,l=e.prototype;return l.destroy=function(){this.unregisterListeners(),this.onMediaDetaching(),this.levelDetails=null,this.hls=this.timeupdateHandler=null},l.registerListeners=function(){this.hls.on(s.Events.MEDIA_ATTACHED,this.onMediaAttached,this),this.hls.on(s.Events.MEDIA_DETACHING,this.onMediaDetaching,this),this.hls.on(s.Events.MANIFEST_LOADING,this.onManifestLoading,this),this.hls.on(s.Events.LEVEL_UPDATED,this.onLevelUpdated,this),this.hls.on(s.Events.ERROR,this.onError,this)},l.unregisterListeners=function(){this.hls.off(s.Events.MEDIA_ATTACHED,this.onMediaAttached),this.hls.off(s.Events.MEDIA_DETACHING,this.onMediaDetaching),this.hls.off(s.Events.MANIFEST_LOADING,this.onManifestLoading),this.hls.off(s.Events.LEVEL_UPDATED,this.onLevelUpdated),this.hls.off(s.Events.ERROR,this.onError)},l.onMediaAttached=function(e,t){this.media=t.media,this.media.addEventListener("timeupdate",this.timeupdateHandler)},l.onMediaDetaching=function(){this.media&&(this.media.removeEventListener("timeupdate",this.timeupdateHandler),this.media=null)},l.onManifestLoading=function(){this.levelDetails=null,this._latency=null,this.stallCount=0},l.onLevelUpdated=function(e,t){var r=t.details;this.levelDetails=r,r.advanced&&this.timeupdate(),!r.live&&this.media&&this.media.removeEventListener("timeupdate",this.timeupdateHandler)},l.onError=function(e,t){t.details===i.ErrorDetails.BUFFER_STALLED_ERROR&&(this.stallCount++,n.logger.warn("[playback-rate-controller]: Stall detected, adjusting target latency"))},l.timeupdate=function(){var e=this.media,t=this.levelDetails;if(e&&t){this.currentTime=e.currentTime;var r=this.computeLatency();if(null!==r){this._latency=r;var i=this.config,s=i.lowLatencyMode,n=i.maxLiveSyncPlaybackRate;if(s&&1!==n){var a=this.targetLatency;if(null!==a){var o=r-a,l=o<Math.min(this.maxLatency,a+t.targetduration);if(t.live&&l&&o>.05&&this.forwardBufferLength>1){var h=Math.min(2,Math.max(1,n)),u=Math.round(2/(1+Math.exp(-.75*o-this.edgeStalled))*20)/20;e.playbackRate=Math.min(h,Math.max(1,u))}else 1!==e.playbackRate&&0!==e.playbackRate&&(e.playbackRate=1)}}}}},l.estimateLiveEdge=function(){var e=this.levelDetails;return null===e?null:e.edge+e.age},l.computeLatency=function(){var e=this.estimateLiveEdge();return null===e?null:e-this.currentTime},t=e,(r=[{key:"latency",get:function(){return this._latency||0}},{key:"maxLatency",get:function(){var e=this.config,t=this.levelDetails;return void 0!==e.liveMaxLatencyDuration?e.liveMaxLatencyDuration:t?e.liveMaxLatencyDurationCount*t.targetduration:0}},{key:"targetLatency",get:function(){var e=this.levelDetails;if(null===e)return null;var t=e.holdBack,r=e.partHoldBack,i=e.targetduration,s=this.config,n=s.liveSyncDuration,a=s.liveSyncDurationCount,o=s.lowLatencyMode,l=this.hls.userConfig,h=o&&r||t;(l.liveSyncDuration||l.liveSyncDurationCount||0===h)&&(h=void 0!==n?n:a*i);var u=i;return h+Math.min(1*this.stallCount,u)}},{key:"liveSyncPosition",get:function(){var e=this.estimateLiveEdge(),t=this.targetLatency,r=this.levelDetails;if(null===e||null===t||null===r)return null;var i=r.edge,s=e-t-this.edgeStalled,n=i-r.totalduration,a=i-(this.config.lowLatencyMode&&r.partTarget||r.targetduration);return Math.min(Math.max(n,s),a)}},{key:"drift",get:function(){var e=this.levelDetails;return null===e?1:e.drift}},{key:"edgeStalled",get:function(){var e=this.levelDetails;if(null===e)return 0;var t=3*(this.config.lowLatencyMode&&e.partTarget||e.targetduration);return Math.max(e.age-t,0)}},{key:"forwardBufferLength",get:function(){var e=this.media,t=this.levelDetails;if(!e||!t)return 0;var r=e.buffered.length;return r?e.buffered.end(r-1):t.edge-this.currentTime}}])&&a(t.prototype,r),o&&a(t,o),e}()},"./src/controller/level-controller.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"default",(function(){return g}));var i=r("./src/types/level.ts"),s=r("./src/events.ts"),n=r("./src/errors.ts"),a=r("./src/utils/codecs.ts"),o=r("./src/controller/level-helper.ts"),l=r("./src/controller/base-playlist-controller.ts"),h=r("./src/types/loader.ts");function u(){return u=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var i in r)Object.prototype.hasOwnProperty.call(r,i)&&(e[i]=r[i])}return e},u.apply(this,arguments)}function c(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}function d(e,t){return d=Object.setPrototypeOf||function(e,t){return e.__proto__=t,e},d(e,t)}var f=/chrome|firefox/.test(navigator.userAgent.toLowerCase()),g=function(e){var t,r;function l(t){var r;return(r=e.call(this,t,"[level-controller]")||this)._levels=[],r._firstLevel=-1,r._startLevel=void 0,r.currentLevelIndex=-1,r.manualLevelIndex=-1,r.onParsedComplete=void 0,r._registerListeners(),r}r=e,(t=l).prototype=Object.create(r.prototype),t.prototype.constructor=t,d(t,r);var g,p,v,m=l.prototype;return m._registerListeners=function(){var e=this.hls;e.on(s.Events.MANIFEST_LOADED,this.onManifestLoaded,this),e.on(s.Events.LEVEL_LOADED,this.onLevelLoaded,this),e.on(s.Events.AUDIO_TRACK_SWITCHED,this.onAudioTrackSwitched,this),e.on(s.Events.FRAG_LOADED,this.onFragLoaded,this),e.on(s.Events.ERROR,this.onError,this)},m._unregisterListeners=function(){var e=this.hls;e.off(s.Events.MANIFEST_LOADED,this.onManifestLoaded,this),e.off(s.Events.LEVEL_LOADED,this.onLevelLoaded,this),e.off(s.Events.AUDIO_TRACK_SWITCHED,this.onAudioTrackSwitched,this),e.off(s.Events.FRAG_LOADED,this.onFragLoaded,this),e.off(s.Events.ERROR,this.onError,this)},m.destroy=function(){this._unregisterListeners(),this.manualLevelIndex=-1,this._levels.length=0,e.prototype.destroy.call(this)},m.startLoad=function(){this._levels.forEach((function(e){e.loadError=0})),e.prototype.startLoad.call(this)},m.onManifestLoaded=function(e,t){var r,l,h=[],u=[],c=[],d={},g=!1,p=!1,v=!1;if(t.levels.forEach((function(e){var t=e.attrs;g=g||!(!e.width||!e.height),p=p||!!e.videoCodec,v=v||!!e.audioCodec,f&&e.audioCodec&&-1!==e.audioCodec.indexOf("mp4a.40.34")&&(e.audioCodec=void 0);var r=e.bitrate+"-"+e.attrs.RESOLUTION+"-"+e.attrs.CODECS;(l=d[r])?l.url.push(e.url):(l=new i.Level(e),d[r]=l,h.push(l)),t&&(t.AUDIO&&Object(o.addGroupId)(l,"audio",t.AUDIO),t.SUBTITLES&&Object(o.addGroupId)(l,"text",t.SUBTITLES))})),(g||p)&&v&&(h=h.filter((function(e){var t=e.videoCodec,r=e.width,i=e.height;return!!t||!(!r||!i)}))),h=h.filter((function(e){var t=e.audioCodec,r=e.videoCodec;return(!t||Object(a.isCodecSupportedInMp4)(t,"audio"))&&(!r||Object(a.isCodecSupportedInMp4)(r,"video"))})),t.audioTracks&&(u=t.audioTracks.filter((function(e){return!e.audioCodec||Object(a.isCodecSupportedInMp4)(e.audioCodec,"audio")})),Object(o.assignTrackIdsByGroup)(u)),t.subtitles&&(c=t.subtitles,Object(o.assignTrackIdsByGroup)(c)),h.length>0){r=h[0].bitrate,h.sort((function(e,t){return e.bitrate-t.bitrate})),this._levels=h;for(var m=0;m<h.length;m++)if(h[m].bitrate===r){this._firstLevel=m,this.log("manifest loaded, "+h.length+" level(s) found, first bitrate: "+r);break}var y=v&&!p,E={levels:h,audioTracks:u,subtitleTracks:c,firstLevel:this._firstLevel,stats:t.stats,audio:v,video:p,altAudio:!y&&u.some((function(e){return!!e.url}))};this.hls.trigger(s.Events.MANIFEST_PARSED,E),(this.hls.config.autoStartLoad||this.hls.forceStartLoad)&&this.hls.startLoad(this.hls.config.startPosition)}else this.hls.trigger(s.Events.ERROR,{type:n.ErrorTypes.MEDIA_ERROR,details:n.ErrorDetails.MANIFEST_INCOMPATIBLE_CODECS_ERROR,fatal:!0,url:t.url,reason:"no level with compatible codecs found in manifest"})},m.onError=function(t,r){if(e.prototype.onError.call(this,t,r),!r.fatal){var i=r.context,s=this._levels[this.currentLevelIndex];if(i&&(i.type===h.PlaylistContextType.AUDIO_TRACK&&s.audioGroupIds&&i.groupId===s.audioGroupIds[s.urlId]||i.type===h.PlaylistContextType.SUBTITLE_TRACK&&s.textGroupIds&&i.groupId===s.textGroupIds[s.urlId]))this.redundantFailover(this.currentLevelIndex);else{var a,o=!1,l=!0;switch(r.details){case n.ErrorDetails.FRAG_LOAD_ERROR:case n.ErrorDetails.FRAG_LOAD_TIMEOUT:case n.ErrorDetails.KEY_LOAD_ERROR:case n.ErrorDetails.KEY_LOAD_TIMEOUT:if(r.frag){var u=this._levels[r.frag.level];u?(u.fragmentError++,u.fragmentError>this.hls.config.fragLoadingMaxRetry&&(a=r.frag.level)):a=r.frag.level}break;case n.ErrorDetails.LEVEL_LOAD_ERROR:case n.ErrorDetails.LEVEL_LOAD_TIMEOUT:i&&(i.deliveryDirectives&&(l=!1),a=i.level),o=!0;break;case n.ErrorDetails.REMUX_ALLOC_ERROR:a=r.level,o=!0}void 0!==a&&this.recoverLevel(r,a,o,l)}}},m.recoverLevel=function(e,t,r,i){var s=e.details,n=this._levels[t];if(n.loadError++,r){if(!this.retryLoadingOrFail(e))return void(this.currentLevelIndex=-1);e.levelRetry=!0}if(i){var a=n.url.length;if(a>1&&n.loadError<a)e.levelRetry=!0,this.redundantFailover(t);else if(-1===this.manualLevelIndex){var o=0===t?this._levels.length-1:t-1;this.currentLevelIndex!==o&&0===this._levels[o].loadError&&(this.warn(s+": switch to "+o),e.levelRetry=!0,this.hls.nextAutoLevel=o)}}},m.redundantFailover=function(e){var t=this._levels[e],r=t.url.length;if(r>1){var i=(t.urlId+1)%r;this.warn("Switching to redundant URL-id "+i),this._levels.forEach((function(e){e.urlId=i})),this.level=e}},m.onFragLoaded=function(e,t){var r=t.frag;if(void 0!==r&&r.type===h.PlaylistLevelType.MAIN){var i=this._levels[r.level];void 0!==i&&(i.fragmentError=0,i.loadError=0)}},m.onLevelLoaded=function(e,t){var r,i,s=t.level,n=t.details,a=this._levels[s];if(!a)return this.warn("Invalid level index "+s),void(null!==(i=t.deliveryDirectives)&&void 0!==i&&i.skip&&(n.deltaUpdateFailed=!0));s===this.currentLevelIndex?(0===a.fragmentError&&(a.loadError=0,this.retryCount=0),this.playlistLoaded(s,t,a.details)):null!==(r=t.deliveryDirectives)&&void 0!==r&&r.skip&&(n.deltaUpdateFailed=!0)},m.onAudioTrackSwitched=function(e,t){var r=this.hls.levels[this.currentLevelIndex];if(r&&r.audioGroupIds){for(var i=-1,s=this.hls.audioTracks[t.id].groupId,n=0;n<r.audioGroupIds.length;n++)if(r.audioGroupIds[n]===s){i=n;break}i!==r.urlId&&(r.urlId=i,this.startLoad())}},m.loadPlaylist=function(e){var t=this.currentLevelIndex,r=this._levels[t];if(this.canLoad&&r&&r.url.length>0){var i=r.urlId,n=r.url[i];if(e)try{n=e.addDirectives(n)}catch(e){this.warn("Could not construct new URL with HLS Delivery Directives: "+e)}this.log("Attempt loading level index "+t+(e?" at sn "+e.msn+" part "+e.part:"")+" with URL-id "+i+" "+n),this.clearTimer(),this.hls.trigger(s.Events.LEVEL_LOADING,{url:n,level:t,id:i,deliveryDirectives:e||null})}},m.removeLevel=function(e,t){var r=function(e,r){return r!==t},i=this._levels.filter((function(i,s){return s!==e||i.url.length>1&&void 0!==t&&(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(e,t){var r=e.details;return null!=r&&r.fragments&&r.fragments.forEach((function(e){e.level=t})),e}));this._levels=i,this.hls.trigger(s.Events.LEVELS_UPDATED,{levels:i})},g=l,(p=[{key:"levels",get:function(){return 0===this._levels.length?null:this._levels}},{key:"level",get:function(){return this.currentLevelIndex},set:function(e){var t,r=this._levels;if(0!==r.length&&(this.currentLevelIndex!==e||null===(t=r[e])||void 0===t||!t.details)){if(e<0||e>=r.length){var i=e<0;if(this.hls.trigger(s.Events.ERROR,{type:n.ErrorTypes.OTHER_ERROR,details:n.ErrorDetails.LEVEL_SWITCH_ERROR,level:e,fatal:i,reason:"invalid level idx"}),i)return;e=Math.min(e,r.length-1)}this.clearTimer();var a=this.currentLevelIndex,o=r[a],l=r[e];this.log("switching to level "+e+" from "+a),this.currentLevelIndex=e;var h=u({},l,{level:e,maxBitrate:l.maxBitrate,uri:l.uri,urlId:l.urlId});delete h._urlId,this.hls.trigger(s.Events.LEVEL_SWITCHING,h);var c=l.details;if(!c||c.live){var d=this.switchParams(l.uri,null==o?void 0:o.details);this.loadPlaylist(d)}}}},{key:"manualLevel",get:function(){return this.manualLevelIndex},set:function(e){this.manualLevelIndex=e,void 0===this._startLevel&&(this._startLevel=e),-1!==e&&(this.level=e)}},{key:"firstLevel",get:function(){return this._firstLevel},set:function(e){this._firstLevel=e}},{key:"startLevel",get:function(){if(void 0===this._startLevel){var e=this.hls.config.startLevel;return void 0!==e?e:this._firstLevel}return this._startLevel},set:function(e){this._startLevel=e}},{key:"nextLoadLevel",get:function(){return-1!==this.manualLevelIndex?this.manualLevelIndex:this.hls.nextAutoLevel},set:function(e){this.level=e,-1===this.manualLevelIndex&&(this.hls.nextAutoLevel=e)}}])&&c(g.prototype,p),v&&c(g,v),l}(l.default)},"./src/controller/level-helper.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"addGroupId",(function(){return n})),r.d(t,"assignTrackIdsByGroup",(function(){return a})),r.d(t,"updatePTS",(function(){return o})),r.d(t,"updateFragPTSDTS",(function(){return h})),r.d(t,"mergeDetails",(function(){return u})),r.d(t,"mapPartIntersection",(function(){return c})),r.d(t,"mapFragmentIntersection",(function(){return d})),r.d(t,"adjustSliding",(function(){return f})),r.d(t,"addSliding",(function(){return g})),r.d(t,"computeReloadInterval",(function(){return p})),r.d(t,"getFragmentWithSN",(function(){return v})),r.d(t,"getPartWith",(function(){return m}));var i=r("./src/polyfills/number.ts"),s=r("./src/utils/logger.ts");function n(e,t,r){switch(t){case"audio":e.audioGroupIds||(e.audioGroupIds=[]),e.audioGroupIds.push(r);break;case"text":e.textGroupIds||(e.textGroupIds=[]),e.textGroupIds.push(r)}}function a(e){var t={};e.forEach((function(e){var r=e.groupId||"";e.id=t[r]=t[r]||0,t[r]++}))}function o(e,t,r){l(e[t],e[r])}function l(e,t){var r=t.startPTS;if(Object(i.isFiniteNumber)(r)){var s,n=0;t.sn>e.sn?(n=r-e.start,s=e):(n=e.start-r,s=t),s.duration!==n&&(s.duration=n)}else t.sn>e.sn?e.cc===t.cc&&e.minEndPTS?t.start=e.start+(e.minEndPTS-e.start):t.start=e.start+e.duration:t.start=Math.max(e.start-t.duration,0)}function h(e,t,r,n,a,o){n-r<=0&&(s.logger.warn("Fragment should have a positive duration",t),n=r+t.duration,o=a+t.duration);var h=r,u=n,c=t.startPTS,d=t.endPTS;if(Object(i.isFiniteNumber)(c)){var f=Math.abs(c-r);Object(i.isFiniteNumber)(t.deltaPTS)?t.deltaPTS=Math.max(f,t.deltaPTS):t.deltaPTS=f,h=Math.max(r,c),r=Math.min(r,c),a=Math.min(a,t.startDTS),u=Math.min(n,d),n=Math.max(n,d),o=Math.max(o,t.endDTS)}t.duration=n-r;var g=r-t.start;t.appendedPTS=n,t.start=t.startPTS=r,t.maxStartPTS=h,t.startDTS=a,t.endPTS=n,t.minEndPTS=u,t.endDTS=o;var p,v=t.sn;if(!e||v<e.startSN||v>e.endSN)return 0;var m=v-e.startSN,y=e.fragments;for(y[m]=t,p=m;p>0;p--)l(y[p],y[p-1]);for(p=m;p<y.length-1;p++)l(y[p],y[p+1]);return e.fragmentHint&&l(y[y.length-1],e.fragmentHint),e.PTSKnown=e.alignedSliding=!0,g}function u(e,t){for(var r=null,n=e.fragments,a=n.length-1;a>=0;a--){var o=n[a].initSegment;if(o){r=o;break}}e.fragmentHint&&delete e.fragmentHint.endPTS;var l,u=0;if(d(e,t,(function(e,s){e.relurl&&(u=e.cc-s.cc),Object(i.isFiniteNumber)(e.startPTS)&&Object(i.isFiniteNumber)(e.endPTS)&&(s.start=s.startPTS=e.startPTS,s.startDTS=e.startDTS,s.appendedPTS=e.appendedPTS,s.maxStartPTS=e.maxStartPTS,s.endPTS=e.endPTS,s.endDTS=e.endDTS,s.minEndPTS=e.minEndPTS,s.duration=e.endPTS-e.startPTS,s.duration&&(l=s),t.PTSKnown=t.alignedSliding=!0),s.elementaryStreams=e.elementaryStreams,s.loader=e.loader,s.stats=e.stats,s.urlId=e.urlId,e.initSegment&&(s.initSegment=e.initSegment,r=e.initSegment)})),r&&(t.fragmentHint?t.fragments.concat(t.fragmentHint):t.fragments).forEach((function(e){var t;e.initSegment&&e.initSegment.relurl!==(null===(t=r)||void 0===t?void 0:t.relurl)||(e.initSegment=r)})),t.skippedSegments&&(t.deltaUpdateFailed=t.fragments.some((function(e){return!e})),t.deltaUpdateFailed)){s.logger.warn("[level-helper] Previous playlist missing segments skipped in delta playlist");for(var g=t.skippedSegments;g--;)t.fragments.shift();t.startSN=t.fragments[0].sn,t.startCC=t.fragments[0].cc}var p=t.fragments;if(u){s.logger.warn("discontinuity sliding from playlist, take drift into account");for(var v=0;v<p.length;v++)p[v].cc+=u}t.skippedSegments&&(t.startCC=t.fragments[0].cc),c(e.partList,t.partList,(function(e,t){t.elementaryStreams=e.elementaryStreams,t.stats=e.stats})),l?h(t,l,l.startPTS,l.endPTS,l.startDTS,l.endDTS):f(e,t),p.length&&(t.totalduration=t.edge-p[0].start),t.driftStartTime=e.driftStartTime,t.driftStart=e.driftStart;var m=t.advancedDateTime;if(t.advanced&&m){var y=t.edge;t.driftStart||(t.driftStartTime=m,t.driftStart=y),t.driftEndTime=m,t.driftEnd=y}else t.driftEndTime=e.driftEndTime,t.driftEnd=e.driftEnd,t.advancedDateTime=e.advancedDateTime}function c(e,t,r){if(e&&t)for(var i=0,s=0,n=e.length;s<=n;s++){var a=e[s],o=t[s+i];a&&o&&a.index===o.index&&a.fragment.sn===o.fragment.sn?r(a,o):i--}}function d(e,t,r){for(var i=t.skippedSegments,s=Math.max(e.startSN,t.startSN)-t.startSN,n=(e.fragmentHint?1:0)+(i?t.endSN:Math.min(e.endSN,t.endSN))-t.startSN,a=t.startSN-e.startSN,o=t.fragmentHint?t.fragments.concat(t.fragmentHint):t.fragments,l=e.fragmentHint?e.fragments.concat(e.fragmentHint):e.fragments,h=s;h<=n;h++){var u=l[a+h],c=o[h];i&&!c&&h<i&&(c=t.fragments[h]=u),u&&c&&r(u,c)}}function f(e,t){var r=t.startSN+t.skippedSegments-e.startSN,i=e.fragments;r<0||r>=i.length||g(t,i[r].start)}function g(e,t){if(t){for(var r=e.fragments,i=e.skippedSegments;i<r.length;i++)r[i].start+=t;e.fragmentHint&&(e.fragmentHint.start+=t)}}function p(e,t){var r,i=1e3*e.levelTargetDuration,s=i/2,n=e.age,a=n>0&&n<3*i,o=t.loading.end-t.loading.start,l=e.availabilityDelay;if(!1===e.updated)if(a){var h=333*e.misses;r=Math.max(Math.min(s,2*o),h),e.availabilityDelay=(e.availabilityDelay||0)+r}else r=s;else a?(l=Math.min(l||i/2,n),e.availabilityDelay=l,r=l+i-n):r=i-o;return Math.round(r)}function v(e,t,r){if(!e||!e.details)return null;var i=e.details,s=i.fragments[t-i.startSN];return s||((s=i.fragmentHint)&&s.sn===t?s:t<i.startSN&&r&&r.sn===t?r:null)}function m(e,t,r){if(!e||!e.details)return null;var i=e.details.partList;if(i)for(var s=i.length;s--;){var n=i[s];if(n.index===r&&n.fragment.sn===t)return n}return null}},"./src/controller/stream-controller.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"default",(function(){return y}));var i=r("./src/polyfills/number.ts"),s=r("./src/controller/base-stream-controller.ts"),n=r("./src/is-supported.ts"),a=r("./src/events.ts"),o=r("./src/utils/buffer-helper.ts"),l=r("./src/controller/fragment-tracker.ts"),h=r("./src/types/loader.ts"),u=r("./src/loader/fragment.ts"),c=r("./src/demux/transmuxer-interface.ts"),d=r("./src/types/transmuxer.ts"),f=r("./src/controller/gap-controller.ts"),g=r("./src/errors.ts"),p=r("./src/utils/logger.ts");function v(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}function m(e,t){return m=Object.setPrototypeOf||function(e,t){return e.__proto__=t,e},m(e,t)}var y=function(e){var t,r;function y(t,r){var i;return(i=e.call(this,t,r,"[stream-controller]")||this).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}r=e,(t=y).prototype=Object.create(r.prototype),t.prototype.constructor=t,m(t,r);var E,S,T,b=y.prototype;return b._registerListeners=function(){var e=this.hls;e.on(a.Events.MEDIA_ATTACHED,this.onMediaAttached,this),e.on(a.Events.MEDIA_DETACHING,this.onMediaDetaching,this),e.on(a.Events.MANIFEST_LOADING,this.onManifestLoading,this),e.on(a.Events.MANIFEST_PARSED,this.onManifestParsed,this),e.on(a.Events.LEVEL_LOADING,this.onLevelLoading,this),e.on(a.Events.LEVEL_LOADED,this.onLevelLoaded,this),e.on(a.Events.FRAG_LOAD_EMERGENCY_ABORTED,this.onFragLoadEmergencyAborted,this),e.on(a.Events.ERROR,this.onError,this),e.on(a.Events.AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),e.on(a.Events.AUDIO_TRACK_SWITCHED,this.onAudioTrackSwitched,this),e.on(a.Events.BUFFER_CREATED,this.onBufferCreated,this),e.on(a.Events.BUFFER_FLUSHED,this.onBufferFlushed,this),e.on(a.Events.LEVELS_UPDATED,this.onLevelsUpdated,this),e.on(a.Events.FRAG_BUFFERED,this.onFragBuffered,this)},b._unregisterListeners=function(){var e=this.hls;e.off(a.Events.MEDIA_ATTACHED,this.onMediaAttached,this),e.off(a.Events.MEDIA_DETACHING,this.onMediaDetaching,this),e.off(a.Events.MANIFEST_LOADING,this.onManifestLoading,this),e.off(a.Events.MANIFEST_PARSED,this.onManifestParsed,this),e.off(a.Events.LEVEL_LOADED,this.onLevelLoaded,this),e.off(a.Events.FRAG_LOAD_EMERGENCY_ABORTED,this.onFragLoadEmergencyAborted,this),e.off(a.Events.ERROR,this.onError,this),e.off(a.Events.AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),e.off(a.Events.AUDIO_TRACK_SWITCHED,this.onAudioTrackSwitched,this),e.off(a.Events.BUFFER_CREATED,this.onBufferCreated,this),e.off(a.Events.BUFFER_FLUSHED,this.onBufferFlushed,this),e.off(a.Events.LEVELS_UPDATED,this.onLevelsUpdated,this),e.off(a.Events.FRAG_BUFFERED,this.onFragBuffered,this)},b.onHandlerDestroying=function(){this._unregisterListeners(),this.onMediaDetaching()},b.startLoad=function(e){if(this.levels){var t=this.lastCurrentTime,r=this.hls;if(this.stopLoad(),this.setInterval(100),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}t>0&&-1===e&&(this.log("Override startPosition with lastCurrentTime @"+t.toFixed(3)),e=t),this.state=s.State.IDLE,this.nextLoadPosition=this.startPosition=this.lastCurrentTime=e,this.tick()}else this._forceStartLoad=!0,this.state=s.State.STOPPED},b.stopLoad=function(){this._forceStartLoad=!1,e.prototype.stopLoad.call(this)},b.doTick=function(){switch(this.state){case s.State.IDLE:this.doTickIdle();break;case s.State.WAITING_LEVEL:var e,t=this.levels,r=this.level,i=null==t||null===(e=t[r])||void 0===e?void 0:e.details;if(i&&(!i.live||this.levelLastLoaded===this.level)){if(this.waitForCdnTuneIn(i))break;this.state=s.State.IDLE;break}break;case s.State.FRAG_LOADING_WAITING_RETRY:var n,a=self.performance.now(),o=this.retryDate;(!o||a>=o||null!==(n=this.media)&&void 0!==n&&n.seeking)&&(this.log("retryDate reached, switch back to IDLE state"),this.state=s.State.IDLE)}this.onTickEnd()},b.onTickEnd=function(){e.prototype.onTickEnd.call(this),this.checkBuffer(),this.checkFragmentChanged()},b.doTickIdle=function(){var e,t,r=this.hls,i=this.levelLastLoaded,n=this.levels,o=this.media,c=r.config,d=r.nextLoadLevel;if(null!==i&&(o||!this.startFragRequested&&c.startFragPrefetch)&&(!this.altAudio||!this.audioOnly)&&n&&n[d]){var f=n[d];this.level=r.nextLoadLevel=d;var g=f.details;if(!g||this.state===s.State.WAITING_LEVEL||g.live&&this.levelLastLoaded!==d)this.state=s.State.WAITING_LEVEL;else{var p=this.getFwdBufferInfo(this.mediaBuffer?this.mediaBuffer:o,h.PlaylistLevelType.MAIN);if(null!==p&&!(p.len>=this.getMaxBufferLength(f.maxBitrate))){if(this._streamEnded(p,g)){var v={};return this.altAudio&&(v.type="video"),this.hls.trigger(a.Events.BUFFER_EOS,v),void(this.state=s.State.ENDED)}var m=p.end,y=this.getNextFragment(m,g);if(this.couldBacktrack&&!this.fragPrevious&&y&&"initSegment"!==y.sn){var E=y.sn-g.startSN;E>1&&(y=g.fragments[E-1],this.fragmentTracker.removeFragment(y))}if(y&&this.fragmentTracker.getState(y)===l.FragmentState.OK&&this.nextLoadPosition>m){var S=this.audioOnly&&!this.altAudio?u.ElementaryStreamTypes.AUDIO:u.ElementaryStreamTypes.VIDEO;this.afterBufferFlushed(o,S,h.PlaylistLevelType.MAIN),y=this.getNextFragment(this.nextLoadPosition,g)}y&&(!y.initSegment||y.initSegment.data||this.bitrateTest||(y=y.initSegment),"identity"!==(null===(e=y.decryptdata)||void 0===e?void 0:e.keyFormat)||null!==(t=y.decryptdata)&&void 0!==t&&t.key?this.loadFragment(y,g,m):this.loadKey(y,g))}}}},b.loadFragment=function(t,r,i){var s,n=this.fragmentTracker.getState(t);if(this.fragCurrent=t,n===l.FragmentState.BACKTRACKED){var a=this.fragmentTracker.getBacktrackData(t);if(a)return this._handleFragmentLoadProgress(a),void this._handleFragmentLoadComplete(a);n=l.FragmentState.NOT_LOADED}n===l.FragmentState.NOT_LOADED||n===l.FragmentState.PARTIAL?"initSegment"===t.sn?this._loadInitSegment(t):this.bitrateTest?(t.bitrateTest=!0,this.log("Fragment "+t.sn+" of level "+t.level+" is being downloaded to test bitrate and will not be buffered"),this._loadBitrateTestFrag(t)):(this.startFragRequested=!0,e.prototype.loadFragment.call(this,t,r,i)):n===l.FragmentState.APPENDING?this.reduceMaxBufferLength(t.duration)&&this.fragmentTracker.removeFragment(t):0===(null===(s=this.media)||void 0===s?void 0:s.buffered.length)&&this.fragmentTracker.removeAllFragments()},b.getAppendedFrag=function(e){var t=this.fragmentTracker.getAppendedFrag(e,h.PlaylistLevelType.MAIN);return t&&"fragment"in t?t.fragment:t},b.getBufferedFrag=function(e){return this.fragmentTracker.getBufferedFrag(e,h.PlaylistLevelType.MAIN)},b.followingBufferedFrag=function(e){return e?this.getBufferedFrag(e.end+.5):null},b.immediateLevelSwitch=function(){this.abortCurrentFrag(),this.flushMainBuffer(0,Number.POSITIVE_INFINITY)},b.nextLevelSwitch=function(){var e=this.levels,t=this.media;if(null!=t&&t.readyState){var r,i=this.getAppendedFrag(t.currentTime);if(i&&i.start>1&&this.flushMainBuffer(0,i.start-1),!t.paused&&e){var s=e[this.hls.nextLoadLevel],n=this.fragLastKbps;r=n&&this.fragCurrent?this.fragCurrent.duration*s.maxBitrate/(1e3*n)+1:0}else r=0;var a=this.getBufferedFrag(t.currentTime+r);if(a){var o=this.followingBufferedFrag(a);if(o){this.abortCurrentFrag();var l=o.maxStartPTS?o.maxStartPTS:o.start,h=o.duration,u=Math.max(a.end,l+Math.min(Math.max(h-this.config.maxFragLookUpTolerance,.5*h),.75*h));this.flushMainBuffer(u,Number.POSITIVE_INFINITY)}}}},b.abortCurrentFrag=function(){var e=this.fragCurrent;this.fragCurrent=null,null!=e&&e.loader&&e.loader.abort(),this.state===s.State.KEY_LOADING&&(this.state=s.State.IDLE),this.nextLoadPosition=this.getLoadPosition()},b.flushMainBuffer=function(t,r){e.prototype.flushMainBuffer.call(this,t,r,this.altAudio?"video":null)},b.onMediaAttached=function(t,r){e.prototype.onMediaAttached.call(this,t,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)},b.onMediaDetaching=function(){var t=this.media;t&&(t.removeEventListener("playing",this.onvplaying),t.removeEventListener("seeked",this.onvseeked),this.onvplaying=this.onvseeked=null,this.videoBuffer=null),this.fragPlaying=null,this.gapController&&(this.gapController.destroy(),this.gapController=null),e.prototype.onMediaDetaching.call(this)},b.onMediaPlaying=function(){this.tick()},b.onMediaSeeked=function(){var e=this.media,t=e?e.currentTime:null;Object(i.isFiniteNumber)(t)&&this.log("Media seeked to "+t.toFixed(3)),this.tick()},b.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},b.onManifestParsed=function(e,t){var r,i=!1,s=!1;t.levels.forEach((function(e){(r=e.audioCodec)&&(-1!==r.indexOf("mp4a.40.2")&&(i=!0),-1!==r.indexOf("mp4a.40.5")&&(s=!0))})),this.audioCodecSwitch=i&&s&&!Object(n.changeTypeSupported)(),this.audioCodecSwitch&&this.log("Both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC"),this.levels=t.levels,this.startFragRequested=!1},b.onLevelLoading=function(e,t){var r=this.levels;if(r&&this.state===s.State.IDLE){var i=r[t.level];(!i.details||i.details.live&&this.levelLastLoaded!==t.level||this.waitForCdnTuneIn(i.details))&&(this.state=s.State.WAITING_LEVEL)}},b.onLevelLoaded=function(e,t){var r,i=this.levels,n=t.level,o=t.details,l=o.totalduration;if(i){this.log("Level "+n+" loaded ["+o.startSN+","+o.endSN+"], cc ["+o.startCC+", "+o.endCC+"] duration:"+l);var h=this.fragCurrent;!h||this.state!==s.State.FRAG_LOADING&&this.state!==s.State.FRAG_LOADING_WAITING_RETRY||h.level!==t.level&&h.loader&&(this.state=s.State.IDLE,h.loader.abort());var u=i[n],c=0;if(o.live||null!==(r=u.details)&&void 0!==r&&r.live){if(o.fragments[0]||(o.deltaUpdateFailed=!0),o.deltaUpdateFailed)return;c=this.alignPlaylists(o,u.details)}if(u.details=o,this.levelLastLoaded=n,this.hls.trigger(a.Events.LEVEL_UPDATED,{details:o,level:n}),this.state===s.State.WAITING_LEVEL){if(this.waitForCdnTuneIn(o))return;this.state=s.State.IDLE}this.startFragRequested?o.live&&this.synchronizeToLiveEdge(o):this.setStartPosition(o,c),this.tick()}else this.warn("Levels were reset while loading level "+n)},b._handleFragmentLoadProgress=function(e){var t,r=e.frag,i=e.part,s=e.payload,n=this.levels;if(n){var a=n[r.level],o=a.details;if(o){var l=a.videoCodec,u=o.PTSKnown||!o.live,f=null===(t=r.initSegment)||void 0===t?void 0:t.data,g=this._getAudioCodec(a),p=this.transmuxer=this.transmuxer||new c.default(this.hls,h.PlaylistLevelType.MAIN,this._handleTransmuxComplete.bind(this),this._handleTransmuxerFlush.bind(this)),v=i?i.index:-1,m=-1!==v,y=new d.ChunkMetadata(r.level,r.sn,r.stats.chunkCount,s.byteLength,v,m),E=this.initPTS[r.cc];p.push(s,f,g,l,r,i,o.totalduration,u,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")},b.onAudioTrackSwitching=function(e,t){var r=this.altAudio,i=!!t.url,s=t.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 n=this.fragCurrent;null!=n&&n.loader&&(this.log("Switching to main audio track, cancel main fragment load"),n.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:s})}},b.onAudioTrackSwitched=function(e,t){var r=t.id,i=!!this.hls.audioTracks[r].url;if(i){var s=this.videoBuffer;s&&this.mediaBuffer!==s&&(this.log("Switching on alternate audio, use video.buffered to schedule main fragment loading"),this.mediaBuffer=s)}this.altAudio=i,this.tick()},b.onBufferCreated=function(e,t){var r,i,s=t.tracks,n=!1;for(var a in s){var o=s[a];if("main"===o.id){if(i=a,r=o,"video"===a){var l=s[a];l&&(this.videoBuffer=l.buffer)}}else n=!0}n&&r?(this.log("Alternate track found, use "+i+".buffered to schedule main fragment loading"),this.mediaBuffer=r.buffer):this.mediaBuffer=this.media},b.onFragBuffered=function(e,t){var r=t.frag,i=t.part;if(!r||r.type===h.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===s.State.PARSED&&(this.state=s.State.IDLE));var n=i?i.stats:r.stats;this.fragLastKbps=Math.round(8*n.total/(n.buffering.end-n.loading.first)),"initSegment"!==r.sn&&(this.fragPrevious=r),this.fragBufferedComplete(r,i)}},b.onError=function(e,t){switch(t.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(h.PlaylistLevelType.MAIN,t);break;case g.ErrorDetails.LEVEL_LOAD_ERROR:case g.ErrorDetails.LEVEL_LOAD_TIMEOUT:this.state!==s.State.ERROR&&(t.fatal?(this.warn(""+t.details),this.state=s.State.ERROR):t.levelRetry||this.state!==s.State.WAITING_LEVEL||(this.state=s.State.IDLE));break;case g.ErrorDetails.BUFFER_FULL_ERROR:if("main"===t.parent&&(this.state===s.State.PARSING||this.state===s.State.PARSED)){var r=!0,i=this.getFwdBufferInfo(this.media,h.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()}}},b.checkBuffer=function(){var e=this.media,t=this.gapController;if(e&&t&&e.readyState){var r=o.BufferHelper.getBuffered(e);!this.loadedmetadata&&r.length?(this.loadedmetadata=!0,this.seekToStartPos()):t.poll(this.lastCurrentTime),this.lastCurrentTime=e.currentTime}},b.onFragLoadEmergencyAborted=function(){this.state=s.State.IDLE,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.tickImmediate()},b.onBufferFlushed=function(e,t){var r=t.type;if(r!==u.ElementaryStreamTypes.AUDIO||this.audioOnly&&!this.altAudio){var i=(r===u.ElementaryStreamTypes.VIDEO?this.videoBuffer:this.mediaBuffer)||this.media;this.afterBufferFlushed(i,r,h.PlaylistLevelType.MAIN)}},b.onLevelsUpdated=function(e,t){this.levels=t.levels},b.swapAudioCodec=function(){this.audioCodecSwap=!this.audioCodecSwap},b.seekToStartPos=function(){var e=this.media,t=e.currentTime,r=this.startPosition;if(r>=0&&t<r){if(e.seeking)return void p.logger.log("could not seek to "+r+", already seeking at "+t);var i=o.BufferHelper.getBuffered(e),s=(i.length?i.start(0):0)-r;s>0&&(s<this.config.maxBufferHole||s<this.config.maxFragLookUpTolerance)&&(p.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 "+t),e.currentTime=r}},b._getAudioCodec=function(e){var t=this.config.defaultAudioCodec||e.audioCodec;return this.audioCodecSwap&&t&&(this.log("Swapping audio codec"),t=-1!==t.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5"),t},b._loadBitrateTestFrag=function(e){var t=this;this._doFragLoad(e).then((function(r){var i=t.hls;if(r&&!i.nextLoadLevel&&!t.fragContextChanged(e)){t.fragLoadError=0,t.state=s.State.IDLE,t.startFragRequested=!1,t.bitrateTest=!1;var n=e.stats;n.parsing.start=n.parsing.end=n.buffering.start=n.buffering.end=self.performance.now(),i.trigger(a.Events.FRAG_LOADED,r)}}))},b._handleTransmuxComplete=function(e){var t,r="main",n=this.hls,o=e.remuxResult,l=e.chunkMeta,h=this.getCurrentContext(l);if(!h)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 c=h.frag,d=h.part,f=h.level,g=o.video,p=o.text,v=o.id3,m=o.initSegment,y=this.altAudio?void 0:o.audio;if(!this.fragContextChanged(c)){if(this.state=s.State.PARSING,m){m.tracks&&(this._bufferInitSegment(f,m.tracks,c,l),n.trigger(a.Events.FRAG_PARSING_INIT_SEGMENT,{frag:c,id:r,tracks:m.tracks}));var E=m.initPTS,S=m.timescale;Object(i.isFiniteNumber)(E)&&(this.initPTS[c.cc]=E,n.trigger(a.Events.INIT_PTS_FOUND,{frag:c,id:r,initPTS:E,timescale:S}))}if(g&&!1!==o.independent){if(f.details){var T=g.startPTS,b=g.endPTS,_=g.startDTS,L=g.endDTS;if(d)d.elementaryStreams[g.type]={startPTS:T,endPTS:b,startDTS:_,endDTS:L};else if(g.firstKeyFrame&&g.independent&&(this.couldBacktrack=!0),g.dropped&&g.independent){if(this.getLoadPosition()+this.config.maxBufferHole<T)return void this.backtrack(c);c.setElementaryStreamInfo(g.type,c.start,b,c.start,L,!0)}c.setElementaryStreamInfo(g.type,T,b,_,L),this.bufferFragmentData(g,c,d,l)}}else if(!1===o.independent)return void this.backtrack(c);if(y){var A=y.startPTS,D=y.endPTS,w=y.startDTS,I=y.endDTS;d&&(d.elementaryStreams[u.ElementaryStreamTypes.AUDIO]={startPTS:A,endPTS:D,startDTS:w,endDTS:I}),c.setElementaryStreamInfo(u.ElementaryStreamTypes.AUDIO,A,D,w,I),this.bufferFragmentData(y,c,d,l)}if(null!=v&&null!==(t=v.samples)&&void 0!==t&&t.length){var P={frag:c,id:r,samples:v.samples};n.trigger(a.Events.FRAG_PARSING_METADATA,P)}if(p){var R={frag:c,id:r,samples:p.samples};n.trigger(a.Events.FRAG_PARSING_USERDATA,R)}}},b._bufferInitSegment=function(e,t,r,i){var n=this;if(this.state===s.State.PARSING){this.audioOnly=!!t.audio&&!t.video,this.altAudio&&!this.audioOnly&&delete t.audio;var o=t.audio,l=t.video,h=t.audiovideo;if(o){var u=e.audioCodec,c=navigator.userAgent.toLowerCase();this.audioCodecSwitch&&(u&&(u=-1!==u.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5"),1!==o.metadata.channelCount&&-1===c.indexOf("firefox")&&(u="mp4a.40.5")),-1!==c.indexOf("android")&&"audio/mpeg"!==o.container&&(u="mp4a.40.2",this.log("Android: force audio codec to "+u)),e.audioCodec&&e.audioCodec!==u&&this.log('Swapping manifest audio codec "'+e.audioCodec+'" for "'+u+'"'),o.levelCodec=u,o.id="main",this.log("Init audio buffer, container:"+o.container+", codecs[selected/level/parsed]=["+(u||"")+"/"+(e.audioCodec||"")+"/"+o.codec+"]")}l&&(l.levelCodec=e.videoCodec,l.id="main",this.log("Init video buffer, container:"+l.container+", codecs[level/parsed]=["+(e.videoCodec||"")+"/"+l.codec+"]")),h&&this.log("Init audiovideo buffer, container:"+h.container+", codecs[level/parsed]=["+(e.attrs.CODECS||"")+"/"+h.codec+"]"),this.hls.trigger(a.Events.BUFFER_CODECS,t),Object.keys(t).forEach((function(e){var s=t[e].initSegment;null!=s&&s.byteLength&&n.hls.trigger(a.Events.BUFFER_APPENDING,{type:e,data:s,frag:r,part:null,chunkMeta:i,parent:r.type})})),this.tick()}},b.backtrack=function(e){this.couldBacktrack=!0,this.resetTransmuxer(),this.flushBufferGap(e);var t=this.fragmentTracker.backtrack(e);this.fragPrevious=null,this.nextLoadPosition=e.start,t?this.resetFragmentLoading(e):this.state=s.State.BACKTRACKING},b.checkFragmentChanged=function(){var e=this.media,t=null;if(e&&e.readyState>1&&!1===e.seeking){var r=e.currentTime;if(o.BufferHelper.isBuffered(e,r)?t=this.getAppendedFrag(r):o.BufferHelper.isBuffered(e,r+.1)&&(t=this.getAppendedFrag(r+.1)),t){var i=this.fragPlaying,s=t.level;i&&t.sn===i.sn&&i.level===s&&t.urlId===i.urlId||(this.hls.trigger(a.Events.FRAG_CHANGED,{frag:t}),i&&i.level===s||this.hls.trigger(a.Events.LEVEL_SWITCHED,{level:s}),this.fragPlaying=t)}}},E=y,(S=[{key:"nextLevel",get:function(){var e=this.nextBufferedFrag;return e?e.level:-1}},{key:"currentLevel",get:function(){var e=this.media;if(e){var t=this.getAppendedFrag(e.currentTime);if(t)return t.level}return-1}},{key:"nextBufferedFrag",get:function(){var e=this.media;if(e){var t=this.getAppendedFrag(e.currentTime);return this.followingBufferedFrag(t)}return null}},{key:"forceStartLoad",get:function(){return this._forceStartLoad}}])&&v(E.prototype,S),T&&v(E,T),y}(s.default)},"./src/controller/subtitle-stream-controller.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"SubtitleStreamController",(function(){return g}));var i=r("./src/events.ts"),s=r("./src/utils/buffer-helper.ts"),n=r("./src/controller/fragment-finders.ts"),a=r("./src/utils/discontinuities.ts"),o=r("./src/controller/level-helper.ts"),l=r("./src/controller/fragment-tracker.ts"),h=r("./src/controller/base-stream-controller.ts"),u=r("./src/types/loader.ts"),c=r("./src/types/level.ts");function d(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}function f(e,t){return f=Object.setPrototypeOf||function(e,t){return e.__proto__=t,e},f(e,t)}var g=function(e){var t,r;function g(t,r){var i;return(i=e.call(this,t,r,"[subtitle-stream-controller]")||this).levels=[],i.currentTrackId=-1,i.tracksBuffered=[],i.mainDetails=null,i._registerListeners(),i}r=e,(t=g).prototype=Object.create(r.prototype),t.prototype.constructor=t,f(t,r);var p,v,m,y=g.prototype;return y.onHandlerDestroying=function(){this._unregisterListeners(),this.mainDetails=null},y._registerListeners=function(){var e=this.hls;e.on(i.Events.MEDIA_ATTACHED,this.onMediaAttached,this),e.on(i.Events.MEDIA_DETACHING,this.onMediaDetaching,this),e.on(i.Events.MANIFEST_LOADING,this.onManifestLoading,this),e.on(i.Events.LEVEL_LOADED,this.onLevelLoaded,this),e.on(i.Events.ERROR,this.onError,this),e.on(i.Events.SUBTITLE_TRACKS_UPDATED,this.onSubtitleTracksUpdated,this),e.on(i.Events.SUBTITLE_TRACK_SWITCH,this.onSubtitleTrackSwitch,this),e.on(i.Events.SUBTITLE_TRACK_LOADED,this.onSubtitleTrackLoaded,this),e.on(i.Events.SUBTITLE_FRAG_PROCESSED,this.onSubtitleFragProcessed,this),e.on(i.Events.BUFFER_FLUSHING,this.onBufferFlushing,this)},y._unregisterListeners=function(){var e=this.hls;e.off(i.Events.MEDIA_ATTACHED,this.onMediaAttached,this),e.off(i.Events.MEDIA_DETACHING,this.onMediaDetaching,this),e.off(i.Events.MANIFEST_LOADING,this.onManifestLoading,this),e.off(i.Events.LEVEL_LOADED,this.onLevelLoaded,this),e.off(i.Events.ERROR,this.onError,this),e.off(i.Events.SUBTITLE_TRACKS_UPDATED,this.onSubtitleTracksUpdated,this),e.off(i.Events.SUBTITLE_TRACK_SWITCH,this.onSubtitleTrackSwitch,this),e.off(i.Events.SUBTITLE_TRACK_LOADED,this.onSubtitleTrackLoaded,this),e.off(i.Events.SUBTITLE_FRAG_PROCESSED,this.onSubtitleFragProcessed,this),e.off(i.Events.BUFFER_FLUSHING,this.onBufferFlushing,this)},y.startLoad=function(){this.stopLoad(),this.state=h.State.IDLE,this.setInterval(500),this.tick()},y.onManifestLoading=function(){this.mainDetails=null,this.fragmentTracker.removeAllFragments()},y.onLevelLoaded=function(e,t){this.mainDetails=t.details},y.onSubtitleFragProcessed=function(e,t){var r=t.frag,i=t.success;if(this.fragPrevious=r,this.state=h.State.IDLE,i){var s=this.tracksBuffered[this.currentTrackId];if(s){for(var n,a=r.start,o=0;o<s.length;o++)if(a>=s[o].start&&a<=s[o].end){n=s[o];break}var l=r.start+r.duration;n?n.end=l:(n={start:a,end:l},s.push(n)),this.fragmentTracker.fragBuffered(r)}}},y.onBufferFlushing=function(e,t){var r=t.startOffset,i=t.endOffset;if(0===r&&i!==Number.POSITIVE_INFINITY){var s=this.currentTrackId,n=this.levels;if(!n.length||!n[s]||!n[s].details)return;var a=i-n[s].details.targetduration;if(a<=0)return;t.endOffsetSubtitles=Math.max(0,a),this.tracksBuffered.forEach((function(e){for(var t=0;t<e.length;)if(e[t].end<=a)e.shift();else{if(!(e[t].start<a))break;e[t].start=a,t++}})),this.fragmentTracker.removeFragmentsInRange(r,a,u.PlaylistLevelType.SUBTITLE)}},y.onError=function(e,t){var r,i=t.frag;i&&i.type===u.PlaylistLevelType.SUBTITLE&&(null!==(r=this.fragCurrent)&&void 0!==r&&r.loader&&this.fragCurrent.loader.abort(),this.state=h.State.IDLE)},y.onSubtitleTracksUpdated=function(e,t){var r=this,i=t.subtitleTracks;this.tracksBuffered=[],this.levels=i.map((function(e){return new c.Level(e)})),this.fragmentTracker.removeAllFragments(),this.fragPrevious=null,this.levels.forEach((function(e){r.tracksBuffered[e.id]=[]})),this.mediaBuffer=null},y.onSubtitleTrackSwitch=function(e,t){if(this.currentTrackId=t.id,this.levels.length&&-1!==this.currentTrackId){var r=this.levels[this.currentTrackId];null!=r&&r.details?this.mediaBuffer=this.mediaBufferTimeRanges:this.mediaBuffer=null,r&&this.setInterval(500)}else this.clearInterval()},y.onSubtitleTrackLoaded=function(e,t){var r,i=t.details,s=t.id,l=this.currentTrackId,u=this.levels;if(u.length){var c=u[l];if(!(s>=u.length||s!==l)&&c){if(this.mediaBuffer=this.mediaBufferTimeRanges,i.live||null!==(r=c.details)&&void 0!==r&&r.live){var d=this.mainDetails;if(i.deltaUpdateFailed||!d)return;var f=d.fragments[0];c.details?0===this.alignPlaylists(i,c.details)&&f&&Object(o.addSliding)(i,f.start):i.hasProgramDateTime&&d.hasProgramDateTime?Object(a.alignMediaPlaylistByPDT)(i,d):f&&Object(o.addSliding)(i,f.start)}c.details=i,this.levelLastLoaded=s,this.tick(),i.live&&!this.fragCurrent&&this.media&&this.state===h.State.IDLE&&(Object(n.findFragmentByPTS)(null,i.fragments,this.media.currentTime,0)||(this.warn("Subtitle playlist not aligned with playback"),c.details=void 0))}}},y._handleFragmentLoadComplete=function(e){var t=e.frag,r=e.payload,s=t.decryptdata,n=this.hls;if(!this.fragContextChanged(t)&&r&&r.byteLength>0&&s&&s.key&&s.iv&&"AES-128"===s.method){var a=performance.now();this.decrypter.webCryptoDecrypt(new Uint8Array(r),s.key.buffer,s.iv.buffer).then((function(e){var r=performance.now();n.trigger(i.Events.FRAG_DECRYPTED,{frag:t,payload:e,stats:{tstart:a,tdecrypt:r}})}))}},y.doTick=function(){if(this.media){if(this.state===h.State.IDLE){var e,t=this.currentTrackId,r=this.levels;if(!r.length||!r[t]||!r[t].details)return;var i=r[t].details,a=i.targetduration,o=this.config,u=this.media,c=s.BufferHelper.bufferedInfo(this.mediaBufferTimeRanges,u.currentTime-a,o.maxBufferHole),d=c.end;if(c.len>this.getMaxBufferLength()+a)return;console.assert(i,"Subtitle track details are defined on idle subtitle stream controller tick");var f,g=i.fragments,p=g.length,v=i.edge,m=this.fragPrevious;if(d<v){var y=o.maxFragLookUpTolerance;!(f=Object(n.findFragmentByPTS)(m,g,d,y))&&m&&m.start<g[0].start&&(f=g[0])}else f=g[p-1];null!==(e=f)&&void 0!==e&&e.encrypted?this.loadKey(f,i):f&&this.fragmentTracker.getState(f)===l.FragmentState.NOT_LOADED&&this.loadFragment(f,i,d)}}else this.state=h.State.IDLE},y.loadFragment=function(t,r,i){this.fragCurrent=t,e.prototype.loadFragment.call(this,t,r,i)},p=g,(v=[{key:"mediaBufferTimeRanges",get:function(){return this.tracksBuffered[this.currentTrackId]||[]}}])&&d(p.prototype,v),m&&d(p,m),g}(h.default)},"./src/controller/subtitle-track-controller.ts":function(e,t,r){"use strict";r.r(t);var i=r("./src/events.ts"),s=r("./src/utils/texttrack-utils.ts"),n=r("./src/controller/base-playlist-controller.ts"),a=r("./src/types/loader.ts");function o(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}function l(e,t){return l=Object.setPrototypeOf||function(e,t){return e.__proto__=t,e},l(e,t)}var h=function(e){var t,r;function n(t){var r;return(r=e.call(this,t,"[subtitle-track-controller]")||this).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}r=e,(t=n).prototype=Object.create(r.prototype),t.prototype.constructor=t,l(t,r);var h,c,d,f=n.prototype;return f.destroy=function(){this.unregisterListeners(),this.tracks.length=0,this.tracksInGroup.length=0,this.trackChangeListener=this.asyncPollTrackChange=null,e.prototype.destroy.call(this)},f.registerListeners=function(){var e=this.hls;e.on(i.Events.MEDIA_ATTACHED,this.onMediaAttached,this),e.on(i.Events.MEDIA_DETACHING,this.onMediaDetaching,this),e.on(i.Events.MANIFEST_LOADING,this.onManifestLoading,this),e.on(i.Events.MANIFEST_PARSED,this.onManifestParsed,this),e.on(i.Events.LEVEL_LOADING,this.onLevelLoading,this),e.on(i.Events.LEVEL_SWITCHING,this.onLevelSwitching,this),e.on(i.Events.SUBTITLE_TRACK_LOADED,this.onSubtitleTrackLoaded,this),e.on(i.Events.ERROR,this.onError,this)},f.unregisterListeners=function(){var e=this.hls;e.off(i.Events.MEDIA_ATTACHED,this.onMediaAttached,this),e.off(i.Events.MEDIA_DETACHING,this.onMediaDetaching,this),e.off(i.Events.MANIFEST_LOADING,this.onManifestLoading,this),e.off(i.Events.MANIFEST_PARSED,this.onManifestParsed,this),e.off(i.Events.LEVEL_LOADING,this.onLevelLoading,this),e.off(i.Events.LEVEL_SWITCHING,this.onLevelSwitching,this),e.off(i.Events.SUBTITLE_TRACK_LOADED,this.onSubtitleTrackLoaded,this),e.off(i.Events.ERROR,this.onError,this)},f.onMediaAttached=function(e,t){this.media=t.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))},f.pollTrackChange=function(e){self.clearInterval(this.subtitlePollingInterval),this.subtitlePollingInterval=self.setInterval(this.trackChangeListener,e)},f.onMediaDetaching=function(){this.media&&(self.clearInterval(this.subtitlePollingInterval),this.useTextTrackPolling||this.media.textTracks.removeEventListener("change",this.asyncPollTrackChange),this.trackId>-1&&(this.queuedDefaultTrack=this.trackId),u(this.media.textTracks).forEach((function(e){Object(s.clearCurrentCues)(e)})),this.subtitleTrack=-1,this.media=null)},f.onManifestLoading=function(){this.tracks=[],this.groupId=null,this.tracksInGroup=[],this.trackId=-1,this.selectDefaultTrack=!0},f.onManifestParsed=function(e,t){this.tracks=t.subtitleTracks},f.onSubtitleTrackLoaded=function(e,t){var r=t.id,i=t.details,s=this.trackId,n=this.tracksInGroup[s];if(n){var a=n.details;n.details=t.details,this.log("subtitle track "+r+" loaded ["+i.startSN+"-"+i.endSN+"]"),r===this.trackId&&(this.retryCount=0,this.playlistLoaded(r,t,a))}else this.warn("Invalid subtitle track id "+r)},f.onLevelLoading=function(e,t){this.switchLevel(t.level)},f.onLevelSwitching=function(e,t){this.switchLevel(t.level)},f.switchLevel=function(e){var t=this.hls.levels[e];if(null!=t&&t.textGroupIds){var r=t.textGroupIds[t.urlId];if(this.groupId!==r){var s=this.tracksInGroup?this.tracksInGroup[this.trackId]:void 0,n=this.tracks.filter((function(e){return!r||e.groupId===r}));this.tracksInGroup=n;var a=this.findTrackId(null==s?void 0:s.name)||this.findTrackId();this.groupId=r;var o={subtitleTracks:n};this.log("Updating subtitle tracks, "+n.length+' track(s) found in "'+r+'" group-id'),this.hls.trigger(i.Events.SUBTITLE_TRACKS_UPDATED,o),-1!==a&&this.setSubtitleTrack(a,s)}}},f.findTrackId=function(e){for(var t=this.tracksInGroup,r=0;r<t.length;r++){var i=t[r];if((!this.selectDefaultTrack||i.default)&&(!e||e===i.name))return i.id}return-1},f.onError=function(t,r){e.prototype.onError.call(this,t,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)},f.loadPlaylist=function(e){var t=this.tracksInGroup[this.trackId];if(this.shouldLoadTrack(t)){var r=t.id,s=t.groupId,n=t.url;if(e)try{n=e.addDirectives(n)}catch(e){this.warn("Could not construct new URL with HLS Delivery Directives: "+e)}this.log("Loading subtitle playlist for id "+r),this.hls.trigger(i.Events.SUBTITLE_TRACK_LOADING,{url:n,id:r,groupId:s,deliveryDirectives:e||null})}},f.toggleTrackModes=function(e){var t=this,r=this.media,i=this.subtitleDisplay,s=this.trackId;if(r){var n=u(r.textTracks),a=n.filter((function(e){return e.groupId===t.groupId}));if(-1===e)[].slice.call(n).forEach((function(e){e.mode="disabled"}));else{var o=a[s];o&&(o.mode="disabled")}var l=a[e];l&&(l.mode=i?"showing":"hidden")}},f.setSubtitleTrack=function(e,t){var r,s=this.tracksInGroup;if(this.media){if(this.trackId!==e&&this.toggleTrackModes(e),!(this.trackId===e&&(-1===e||null!==(r=s[e])&&void 0!==r&&r.details)||e<-1||e>=s.length)){this.clearTimer();var n=s[e];if(this.log("Switching to subtitle track "+e),this.trackId=e,n){var a=n.id,o=n.groupId,l=void 0===o?"":o,h=n.name,u=n.type,c=n.url;this.hls.trigger(i.Events.SUBTITLE_TRACK_SWITCH,{id:a,groupId:l,name:h,type:u,url:c});var d=this.switchParams(n.url,null==t?void 0:t.details);this.loadPlaylist(d)}else this.hls.trigger(i.Events.SUBTITLE_TRACK_SWITCH,{id:e})}}else this.queuedDefaultTrack=e},f.onTextTracksChanged=function(){if(this.useTextTrackPolling||self.clearInterval(this.subtitlePollingInterval),this.media&&this.hls.config.renderTextTracksNatively){for(var e=-1,t=u(this.media.textTracks),r=0;r<t.length;r++)if("hidden"===t[r].mode)e=r;else if("showing"===t[r].mode){e=r;break}this.subtitleTrack!==e&&(this.subtitleTrack=e)}},h=n,(c=[{key:"subtitleTracks",get:function(){return this.tracksInGroup}},{key:"subtitleTrack",get:function(){return this.trackId},set:function(e){this.selectDefaultTrack=!1;var t=this.tracksInGroup?this.tracksInGroup[this.trackId]:void 0;this.setSubtitleTrack(e,t)}}])&&o(h.prototype,c),d&&o(h,d),n}(n.default);function u(e){for(var t=[],r=0;r<e.length;r++){var i=e[r];"subtitles"===i.kind&&i.label&&t.push(e[r])}return t}t.default=h},"./src/controller/timeline-controller.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"TimelineController",(function(){return d}));var i=r("./src/polyfills/number.ts"),s=r("./src/events.ts"),n=r("./src/utils/cea-608-parser.ts"),a=r("./src/utils/output-filter.ts"),o=r("./src/utils/webvtt-parser.ts"),l=r("./src/utils/texttrack-utils.ts"),h=r("./src/utils/imsc1-ttml-parser.ts"),u=r("./src/types/loader.ts"),c=r("./src/utils/logger.ts"),d=function(){function e(e){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={ccOffset:0,presentationOffset:0,0:{start:0,prevCC:-1,new:!1}},this.captionsProperties=void 0,this.hls=e,this.config=e.config,this.Cues=e.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 t=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 n.default(1,t,r),this.cea608Parser2=new n.default(3,i,o)}e.on(s.Events.MEDIA_ATTACHING,this.onMediaAttaching,this),e.on(s.Events.MEDIA_DETACHING,this.onMediaDetaching,this),e.on(s.Events.MANIFEST_LOADING,this.onManifestLoading,this),e.on(s.Events.MANIFEST_LOADED,this.onManifestLoaded,this),e.on(s.Events.SUBTITLE_TRACKS_UPDATED,this.onSubtitleTracksUpdated,this),e.on(s.Events.FRAG_LOADING,this.onFragLoading,this),e.on(s.Events.FRAG_LOADED,this.onFragLoaded,this),e.on(s.Events.FRAG_PARSING_USERDATA,this.onFragParsingUserdata,this),e.on(s.Events.FRAG_DECRYPTED,this.onFragDecrypted,this),e.on(s.Events.INIT_PTS_FOUND,this.onInitPtsFound,this),e.on(s.Events.SUBTITLE_TRACKS_CLEARED,this.onSubtitleTracksCleared,this),e.on(s.Events.BUFFER_FLUSHING,this.onBufferFlushing,this)}var t=e.prototype;return t.destroy=function(){var e=this.hls;e.off(s.Events.MEDIA_ATTACHING,this.onMediaAttaching,this),e.off(s.Events.MEDIA_DETACHING,this.onMediaDetaching,this),e.off(s.Events.MANIFEST_LOADING,this.onManifestLoading,this),e.off(s.Events.MANIFEST_LOADED,this.onManifestLoaded,this),e.off(s.Events.SUBTITLE_TRACKS_UPDATED,this.onSubtitleTracksUpdated,this),e.off(s.Events.FRAG_LOADING,this.onFragLoading,this),e.off(s.Events.FRAG_LOADED,this.onFragLoaded,this),e.off(s.Events.FRAG_PARSING_USERDATA,this.onFragParsingUserdata,this),e.off(s.Events.FRAG_DECRYPTED,this.onFragDecrypted,this),e.off(s.Events.INIT_PTS_FOUND,this.onInitPtsFound,this),e.off(s.Events.SUBTITLE_TRACKS_CLEARED,this.onSubtitleTracksCleared,this),e.off(s.Events.BUFFER_FLUSHING,this.onBufferFlushing,this),this.hls=this.config=this.cea608Parser1=this.cea608Parser2=null},t.addCues=function(e,t,r,i,n){for(var a,o,l,h,u=!1,c=n.length;c--;){var d=n[c],f=(a=d[0],o=d[1],l=t,h=r,Math.min(o,h)-Math.max(a,l));if(f>=0&&(d[0]=Math.min(d[0],t),d[1]=Math.max(d[1],r),u=!0,f/(r-t)>.5))return}if(u||n.push([t,r]),this.config.renderTextTracksNatively){var g=this.captionsTracks[e];this.Cues.newCue(g,t,r,i)}else{var p=this.Cues.newCue(null,t,r,i);this.hls.trigger(s.Events.CUES_PARSED,{type:"captions",cues:p,track:e})}},t.onInitPtsFound=function(e,t){var r=this,i=t.frag,n=t.id,a=t.initPTS,o=t.timescale,l=this.unparsedVttFrags;"main"===n&&(this.initPTS[i.cc]=a,this.timescale[i.cc]=o),l.length&&(this.unparsedVttFrags=[],l.forEach((function(e){r.onFragLoaded(s.Events.FRAG_LOADED,e)})))},t.getExistingTrack=function(e){var t=this.media;if(t)for(var r=0;r<t.textTracks.length;r++){var i=t.textTracks[r];if(i[e])return i}return null},t.createCaptionsTrack=function(e){this.config.renderTextTracksNatively?this.createNativeTrack(e):this.createNonNativeTrack(e)},t.createNativeTrack=function(e){if(!this.captionsTracks[e]){var t=this.captionsProperties,r=this.captionsTracks,i=this.media,s=t[e],n=s.label,a=s.languageCode,o=this.getExistingTrack(e);if(o)r[e]=o,Object(l.clearCurrentCues)(r[e]),Object(l.sendAddTrackEvent)(r[e],i);else{var h=this.createTextTrack("captions",n,a);h&&(h[e]=!0,r[e]=h)}}},t.createNonNativeTrack=function(e){if(!this.nonNativeCaptionsTracks[e]){var t=this.captionsProperties[e];if(t){var r={_id:e,label:t.label,kind:"captions",default:!!t.media&&!!t.media.default,closedCaptions:t.media};this.nonNativeCaptionsTracks[e]=r,this.hls.trigger(s.Events.NON_NATIVE_TEXT_TRACKS_FOUND,{tracks:[r]})}}},t.createTextTrack=function(e,t,r){var i=this.media;if(i)return i.addTextTrack(e,t,r)},t.onMediaAttaching=function(e,t){this.media=t.media,this._cleanTracks()},t.onMediaDetaching=function(){var e=this.captionsTracks;Object.keys(e).forEach((function(t){Object(l.clearCurrentCues)(e[t]),delete e[t]})),this.nonNativeCaptionsTracks={}},t.onManifestLoading=function(){this.lastSn=-1,this.lastPartIndex=-1,this.prevCC=-1,this.vttCCs={ccOffset:0,presentationOffset:0,0:{start:0,prevCC:-1,new:!1}},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())},t._cleanTracks=function(){var e=this.media;if(e){var t=e.textTracks;if(t)for(var r=0;r<t.length;r++)Object(l.clearCurrentCues)(t[r])}},t.onSubtitleTracksUpdated=function(e,t){var r=this;this.textTracks=[];var i=t.subtitleTracks||[],n=i.some((function(e){return e.textCodec===h.IMSC1_CODEC}));if(this.config.enableWebVTT||n&&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(e,t){var i;if(t<o.length){for(var s=null,n=0;n<o.length;n++)if(f(o[n],e)){s=o[n];break}s&&(i=s)}i?Object(l.clearCurrentCues)(i):(i=r.createTextTrack("subtitles",e.name,e.lang))&&(i.mode="disabled"),i&&(i.groupId=e.groupId,r.textTracks.push(i))}))}else if(!a&&this.tracks&&this.tracks.length){var u=this.tracks.map((function(e){return{label:e.name,kind:e.type.toLowerCase(),default:e.default,subtitleTrack:e}}));this.hls.trigger(s.Events.NON_NATIVE_TEXT_TRACKS_FOUND,{tracks:u})}}},t.onManifestLoaded=function(e,t){var r=this;this.config.enableCEA708Captions&&t.captions&&t.captions.forEach((function(e){var t=/(?:CC|SERVICE)([1-4])/.exec(e.instreamId);if(t){var i="textTrack"+t[1],s=r.captionsProperties[i];s&&(s.label=e.name,e.lang&&(s.languageCode=e.lang),s.media=e)}}))},t.onFragLoading=function(e,t){var r=this.cea608Parser1,i=this.cea608Parser2,s=this.lastSn,n=this.lastPartIndex;if(this.enabled&&r&&i&&t.frag.type===u.PlaylistLevelType.MAIN){var a,o,l=t.frag.sn,h=null!=(a=null==t||null===(o=t.part)||void 0===o?void 0:o.index)?a:-1;l===s+1||l===s&&h===n+1||(r.reset(),i.reset()),this.lastSn=l,this.lastPartIndex=h}},t.onFragLoaded=function(e,t){var r=t.frag,n=t.payload,a=this.initPTS,o=this.unparsedVttFrags;if(r.type===u.PlaylistLevelType.SUBTITLE)if(n.byteLength){if(!Object(i.isFiniteNumber)(a[r.cc]))return o.push(t),void(a.length&&this.hls.trigger(s.Events.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:r,error:new Error("Missing initial subtitle PTS")}));var l=r.decryptdata,c="stats"in t;if(null==l||null==l.key||"AES-128"!==l.method||c){var d=this.tracks[r.level],f=this.vttCCs;f[r.cc]||(f[r.cc]={start:r.start,prevCC:this.prevCC,new:!0},this.prevCC=r.cc),d&&d.textCodec===h.IMSC1_CODEC?this._parseIMSC1(r,n):this._parseVTTs(r,n,f)}}else this.hls.trigger(s.Events.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:r,error:new Error("Empty subtitle payload")})},t._parseIMSC1=function(e,t){var r=this,i=this.hls;Object(h.parseIMSC1)(t,this.initPTS[e.cc],this.timescale[e.cc],(function(t){r._appendCues(t,e.level),i.trigger(s.Events.SUBTITLE_FRAG_PROCESSED,{success:!0,frag:e})}),(function(t){c.logger.log("Failed to parse IMSC1: "+t),i.trigger(s.Events.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:e,error:t})}))},t._parseVTTs=function(e,t,r){var i=this,n=this.hls;Object(o.parseWebVTT)(t,this.initPTS[e.cc],this.timescale[e.cc],r,e.cc,e.start,(function(t){i._appendCues(t,e.level),n.trigger(s.Events.SUBTITLE_FRAG_PROCESSED,{success:!0,frag:e})}),(function(r){i._fallbackToIMSC1(e,t),c.logger.log("Failed to parse VTT cue: "+r),n.trigger(s.Events.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:e,error:r})}))},t._fallbackToIMSC1=function(e,t){var r=this,i=this.tracks[e.level];i.textCodec||Object(h.parseIMSC1)(t,this.initPTS[e.cc],this.timescale[e.cc],(function(){i.textCodec=h.IMSC1_CODEC,r._parseIMSC1(e,t)}),(function(){i.textCodec="wvtt"}))},t._appendCues=function(e,t){var r=this.hls;if(this.config.renderTextTracksNatively){var i=this.textTracks[t];if("disabled"===i.mode)return;e.forEach((function(e){return Object(l.addCueToTrack)(i,e)}))}else{var n=this.tracks[t].default?"default":"subtitles"+t;r.trigger(s.Events.CUES_PARSED,{type:"subtitles",cues:e,track:n})}},t.onFragDecrypted=function(e,t){var r=t.frag;if(r.type===u.PlaylistLevelType.SUBTITLE){if(!Object(i.isFiniteNumber)(this.initPTS[r.cc]))return void this.unparsedVttFrags.push(t);this.onFragLoaded(s.Events.FRAG_LOADED,t)}},t.onSubtitleTracksCleared=function(){this.tracks=[],this.captionsTracks={}},t.onFragParsingUserdata=function(e,t){var r=this.cea608Parser1,i=this.cea608Parser2;if(this.enabled&&r&&i)for(var s=0;s<t.samples.length;s++){var n=t.samples[s].bytes;if(n){var a=this.extractCea608Data(n);r.addData(t.samples[s].pts,a[0]),i.addData(t.samples[s].pts,a[1])}}},t.onBufferFlushing=function(e,t){var r=t.startOffset,i=t.endOffset,s=t.endOffsetSubtitles,n=t.type,a=this.media;if(a&&!(a.currentTime<i)){if(!n||"video"===n){var o=this.captionsTracks;Object.keys(o).forEach((function(e){return Object(l.removeCuesInRange)(o[e],r,i)}))}if(this.config.renderTextTracksNatively&&0===r&&void 0!==s){var h=this.textTracks;Object.keys(h).forEach((function(e){return Object(l.removeCuesInRange)(h[e],r,s)}))}}},t.extractCea608Data=function(e){for(var t=31&e[0],r=2,i=[[],[]],s=0;s<t;s++){var n=e[r++],a=127&e[r++],o=127&e[r++],l=3&n;0===a&&0===o||0!=(4&n)&&(0!==l&&1!==l||(i[l].push(a),i[l].push(o)))}return i},e}();function f(e,t){return e&&e.label===t.name&&!(e.textTrack1||e.textTrack2)}},"./src/crypt/aes-crypto.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"default",(function(){return i}));var i=function(){function e(e,t){this.subtle=void 0,this.aesIV=void 0,this.subtle=e,this.aesIV=t}return e.prototype.decrypt=function(e,t){return this.subtle.decrypt({name:"AES-CBC",iv:this.aesIV},t,e)},e}()},"./src/crypt/aes-decryptor.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"removePadding",(function(){return s})),r.d(t,"default",(function(){return n}));var i=r("./src/utils/typed-array.ts");function s(e){var t=e.byteLength,r=t&&new DataView(e.buffer).getUint8(t-1);return r?Object(i.sliceUint8)(e,0,t-r):e}var n=function(){function e(){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 t=e.prototype;return t.uint8ArrayToUint32Array_=function(e){for(var t=new DataView(e),r=new Uint32Array(4),i=0;i<4;i++)r[i]=t.getUint32(4*i);return r},t.initTable=function(){var e=this.sBox,t=this.invSBox,r=this.subMix,i=r[0],s=r[1],n=r[2],a=r[3],o=this.invSubMix,l=o[0],h=o[1],u=o[2],c=o[3],d=new Uint32Array(256),f=0,g=0,p=0;for(p=0;p<256;p++)d[p]=p<128?p<<1:p<<1^283;for(p=0;p<256;p++){var v=g^g<<1^g<<2^g<<3^g<<4;v=v>>>8^255&v^99,e[f]=v,t[v]=f;var m=d[f],y=d[m],E=d[y],S=257*d[v]^16843008*v;i[f]=S<<24|S>>>8,s[f]=S<<16|S>>>16,n[f]=S<<8|S>>>24,a[f]=S,S=16843009*E^65537*y^257*m^16843008*f,l[v]=S<<24|S>>>8,h[v]=S<<16|S>>>16,u[v]=S<<8|S>>>24,c[v]=S,f?(f=m^d[d[d[E^m]]],g^=d[d[g]]):f=g=1}},t.expandKey=function(e){for(var t=this.uint8ArrayToUint32Array_(e),r=!0,i=0;i<t.length&&r;)r=t[i]===this.key[i],i++;if(!r){this.key=t;var s=this.keySize=t.length;if(4!==s&&6!==s&&8!==s)throw new Error("Invalid aes key size="+s);var n,a,o,l,h=this.ksRows=4*(s+6+1),u=this.keySchedule=new Uint32Array(h),c=this.invKeySchedule=new Uint32Array(h),d=this.sBox,f=this.rcon,g=this.invSubMix,p=g[0],v=g[1],m=g[2],y=g[3];for(n=0;n<h;n++)n<s?o=u[n]=t[n]:(l=o,n%s==0?(l=d[(l=l<<8|l>>>24)>>>24]<<24|d[l>>>16&255]<<16|d[l>>>8&255]<<8|d[255&l],l^=f[n/s|0]<<24):s>6&&n%s==4&&(l=d[l>>>24]<<24|d[l>>>16&255]<<16|d[l>>>8&255]<<8|d[255&l]),u[n]=o=(u[n-s]^l)>>>0);for(a=0;a<h;a++)n=h-a,l=3&a?u[n]:u[n-4],c[a]=a<4||n<=4?l:p[d[l>>>24]]^v[d[l>>>16&255]]^m[d[l>>>8&255]]^y[d[255&l]],c[a]=c[a]>>>0}},t.networkToHostOrderSwap=function(e){return e<<24|(65280&e)<<8|(16711680&e)>>8|e>>>24},t.decrypt=function(e,t,r){for(var i,s,n,a,o,l,h,u,c,d,f,g,p,v,m=this.keySize+6,y=this.invKeySchedule,E=this.invSBox,S=this.invSubMix,T=S[0],b=S[1],_=S[2],L=S[3],A=this.uint8ArrayToUint32Array_(r),D=A[0],w=A[1],I=A[2],P=A[3],R=new Int32Array(e),C=new Int32Array(R.length),k=this.networkToHostOrderSwap;t<R.length;){for(c=k(R[t]),d=k(R[t+1]),f=k(R[t+2]),g=k(R[t+3]),o=c^y[0],l=g^y[1],h=f^y[2],u=d^y[3],p=4,v=1;v<m;v++)i=T[o>>>24]^b[l>>16&255]^_[h>>8&255]^L[255&u]^y[p],s=T[l>>>24]^b[h>>16&255]^_[u>>8&255]^L[255&o]^y[p+1],n=T[h>>>24]^b[u>>16&255]^_[o>>8&255]^L[255&l]^y[p+2],a=T[u>>>24]^b[o>>16&255]^_[l>>8&255]^L[255&h]^y[p+3],o=i,l=s,h=n,u=a,p+=4;i=E[o>>>24]<<24^E[l>>16&255]<<16^E[h>>8&255]<<8^E[255&u]^y[p],s=E[l>>>24]<<24^E[h>>16&255]<<16^E[u>>8&255]<<8^E[255&o]^y[p+1],n=E[h>>>24]<<24^E[u>>16&255]<<16^E[o>>8&255]<<8^E[255&l]^y[p+2],a=E[u>>>24]<<24^E[o>>16&255]<<16^E[l>>8&255]<<8^E[255&h]^y[p+3],C[t]=k(i^D),C[t+1]=k(a^w),C[t+2]=k(n^I),C[t+3]=k(s^P),D=c,w=d,I=f,P=g,t+=4}return C.buffer},e}()},"./src/crypt/decrypter.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"default",(function(){return h}));var i=r("./src/crypt/aes-crypto.ts"),s=r("./src/crypt/fast-aes-key.ts"),n=r("./src/crypt/aes-decryptor.ts"),a=r("./src/utils/logger.ts"),o=r("./src/utils/mp4-tools.ts"),l=r("./src/utils/typed-array.ts"),h=function(){function e(e,t,r){var i=(void 0===r?{}:r).removePKCS7Padding,s=void 0===i||i;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=e,this.config=t,this.removePKCS7Padding=s,s)try{var n=self.crypto;n&&(this.subtle=n.subtle||n.webkitSubtle)}catch(e){}null===this.subtle&&(this.config.enableSoftwareAES=!0)}var t=e.prototype;return t.destroy=function(){this.observer=null},t.isSync=function(){return this.config.enableSoftwareAES},t.flush=function(){var e=this.currentResult;if(e){var t=new Uint8Array(e);return 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this.subtle.importKey("raw",this.key,{name:"AES-CBC"},!1,["encrypt","decrypt"])},e}()},"./src/demux/aacdemuxer.ts":function(e,t,r){"use strict";r.r(t);var i=r("./src/demux/base-audio-demuxer.ts"),s=r("./src/demux/adts.ts"),n=r("./src/utils/logger.ts"),a=r("./src/demux/id3.ts");function o(e,t){return o=Object.setPrototypeOf||function(e,t){return e.__proto__=t,e},o(e,t)}var l=function(e){var t,r;function i(t,r){var i;return(i=e.call(this)||this).observer=void 0,i.config=void 0,i.observer=t,i.config=r,i}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,o(t,r);var l=i.prototype;return l.resetInitSegment=function(t,r,i){e.prototype.resetInitSegment.call(this,t,r,i),this._audioTrack={container:"audio/adts",type:"audio",id:2,pid:-1,sequenceNumber:0,isAAC:!0,samples:[],manifestCodec:t,duration:i,inputTimeScale:9e4,dropped:0}},i.probe=function(e){if(!e)return!1;for(var t=(a.getID3Data(e,0)||[]).length,r=e.length;t<r;t++)if(s.probe(e,t))return n.logger.log("ADTS sync word 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r,i,l=s.getID3Data(e,0),u=l?l.length:0,c=this._audioTrack,d=this._id3Track,f=l?s.getTimeStamp(l):void 0,g=e.length;for(0!==this.frameIndex&&null!==this.initPTS||(this.initPTS=h(f,t)),l&&l.length>0&&d.samples.push({pts:this.initPTS,dts:this.initPTS,data:l}),i=this.initPTS;u<g;){if(this.canParse(e,u)){var p=this.appendFrame(c,e,u);p?(this.frameIndex++,i=p.sample.pts,r=u+=p.length):u=g}else s.canParse(e,u)?(l=s.getID3Data(e,u),d.samples.push({pts:i,dts:i,data:l}),r=u+=l.length):u++;if(u===g&&r!==g){var v=Object(o.sliceUint8)(e,r);this.cachedData?this.cachedData=Object(a.appendUint8Array)(this.cachedData,v):this.cachedData=v}}return{audioTrack:c,avcTrack:Object(n.dummyTrack)(),id3Track:d,textTrack:Object(n.dummyTrack)()}},t.demuxSampleAes=function(e,t,r){return Promise.reject(new Error("["+this+"] This demuxer does not support Sample-AES decryption"))},t.flush=function(e){var t=this.cachedData;return t&&(this.cachedData=null,this.demux(t,0)),this.frameIndex=0,{audioTrack:this._audioTrack,avcTrack:Object(n.dummyTrack)(),id3Track:this._id3Track,textTrack:Object(n.dummyTrack)()}},t.destroy=function(){},e}(),h=function(e,t){return Object(i.isFiniteNumber)(e)?90*e:9e4*t};t.default=l},"./src/demux/chunk-cache.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"default",(function(){return i}));var i=function(){function e(){this.chunks=[],this.dataLength=0}var t=e.prototype;return t.push=function(e){this.chunks.push(e),this.dataLength+=e.length},t.flush=function(){var e,t=this.chunks,r=this.dataLength;return t.length?(e=1===t.length?t[0]:function(e,t){for(var r=new Uint8Array(t),i=0,s=0;s<e.length;s++){var n=e[s];r.set(n,i),i+=n.length}return r}(t,r),this.reset(),e):new Uint8Array(0)},t.reset=function(){this.chunks.length=0,this.dataLength=0},e}()},"./src/demux/dummy-demuxed-track.ts":function(e,t,r){"use strict";function i(){return{type:"",id:-1,pid:-1,inputTimeScale:9e4,sequenceNumber:-1,samples:[],dropped:0}}r.r(t),r.d(t,"dummyTrack",(function(){return i}))},"./src/demux/exp-golomb.ts":function(e,t,r){"use strict";r.r(t);var i=r("./src/utils/logger.ts"),s=function(){function e(e){this.data=void 0,this.bytesAvailable=void 0,this.word=void 0,this.bitsAvailable=void 0,this.data=e,this.bytesAvailable=e.byteLength,this.word=0,this.bitsAvailable=0}var t=e.prototype;return t.loadWord=function(){var e=this.data,t=this.bytesAvailable,r=e.byteLength-t,i=new Uint8Array(4),s=Math.min(4,t);if(0===s)throw new Error("no bytes available");i.set(e.subarray(r,r+s)),this.word=new DataView(i.buffer).getUint32(0),this.bitsAvailable=8*s,this.bytesAvailable-=s},t.skipBits=function(e){var t;this.bitsAvailable>e?(this.word<<=e,this.bitsAvailable-=e):(e-=this.bitsAvailable,e-=(t=e>>3)>>3,this.bytesAvailable-=t,this.loadWord(),this.word<<=e,this.bitsAvailable-=e)},t.readBits=function(e){var t=Math.min(this.bitsAvailable,e),r=this.word>>>32-t;return e>32&&i.logger.error("Cannot read more than 32 bits at a time"),this.bitsAvailable-=t,this.bitsAvailable>0?this.word<<=t:this.bytesAvailable>0&&this.loadWord(),(t=e-t)>0&&this.bitsAvailable?r<<t|this.readBits(t):r},t.skipLZ=function(){var e;for(e=0;e<this.bitsAvailable;++e)if(0!=(this.word&2147483648>>>e))return this.word<<=e,this.bitsAvailable-=e,e;return this.loadWord(),e+this.skipLZ()},t.skipUEG=function(){this.skipBits(1+this.skipLZ())},t.skipEG=function(){this.skipBits(1+this.skipLZ())},t.readUEG=function(){var e=this.skipLZ();return this.readBits(e+1)-1},t.readEG=function(){var e=this.readUEG();return 1&e?1+e>>>1:-1*(e>>>1)},t.readBoolean=function(){return 1===this.readBits(1)},t.readUByte=function(){return this.readBits(8)},t.readUShort=function(){return this.readBits(16)},t.readUInt=function(){return this.readBits(32)},t.skipScalingList=function(e){for(var 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n,a,o,l=e.length,h="",u=0;u<l;){if(0===(n=e[u++])&&t)return h;if(0!==n&&3!==n)switch(n>>4){case 0:case 1:case 2:case 3:case 4:case 5:case 6:case 7:h+=String.fromCharCode(n);break;case 12:case 13:a=e[u++],h+=String.fromCharCode((31&n)<<6|63&a);break;case 14:a=e[u++],o=e[u++],h+=String.fromCharCode((15&n)<<12|(63&a)<<6|(63&o)<<0)}}return h},E={decodeTextFrame:p};function S(){return i||void 0===self.TextDecoder||(i=new self.TextDecoder("utf-8")),i}},"./src/demux/mp3demuxer.ts":function(e,t,r){"use strict";r.r(t);var i=r("./src/demux/base-audio-demuxer.ts"),s=r("./src/demux/id3.ts"),n=r("./src/utils/logger.ts"),a=r("./src/demux/mpegaudio.ts");function o(e,t){return o=Object.setPrototypeOf||function(e,t){return e.__proto__=t,e},o(e,t)}var l=function(e){var t,r;function i(){return e.apply(this,arguments)||this}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,o(t,r);var l=i.prototype;return 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Object(i.findBox)({data:e,start:0,end:Math.min(e.length,16384)},["moof"]).length>0},t.demux=function(e){var t=e,r=Object(s.dummyTrack)();if(this.config.progressive){this.remainderData&&(t=Object(i.appendUint8Array)(this.remainderData,e));var n=Object(i.segmentValidRange)(t);this.remainderData=n.remainder,r.samples=n.valid||new Uint8Array}else r.samples=t;return{audioTrack:Object(s.dummyTrack)(),avcTrack:r,id3Track:Object(s.dummyTrack)(),textTrack:Object(s.dummyTrack)()}},t.flush=function(){var e=Object(s.dummyTrack)();return e.samples=this.remainderData||new Uint8Array,this.remainderData=null,{audioTrack:Object(s.dummyTrack)(),avcTrack:e,id3Track:Object(s.dummyTrack)(),textTrack:Object(s.dummyTrack)()}},t.demuxSampleAes=function(e,t,r){return Promise.reject(new Error("The MP4 demuxer does not support SAMPLE-AES decryption"))},t.destroy=function(){},e}();n.minProbeByteLength=1024,t.default=n},"./src/demux/mpegaudio.ts":function(e,t,r){"use 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o=Object(s.discardEPB)(n.data),l=this.getAvcEncryptedData(o),h=this;this.decryptBuffer(l.buffer,(function(s){n.data=h.getAvcDecryptedUnit(o,s),a||h.decryptAvcSamples(e,t,r+1,i)}))},t.decryptAvcSamples=function(e,t,r,i){if(e instanceof Uint8Array)throw new Error("Cannot decrypt samples of type Uint8Array");for(;;t++,r=0){if(t>=e.length)return void i();for(var s=e[t].units;!(r>=s.length);r++){var n=s[r];if(!(n.data.length<=48||1!==n.type&&5!==n.type)){var a=this.decrypter.isSync();if(this.decryptAvcSample(e,t,r,i,n,a),!a)return}}}},e}();t.default=n},"./src/demux/transmuxer-interface.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"default",(function(){return c}));var i=r("./node_modules/webworkify-webpack/index.js"),s=r("./src/events.ts"),n=r("./src/demux/transmuxer.ts"),a=r("./src/utils/logger.ts"),o=r("./src/errors.ts"),l=r("./src/utils/mediasource-helper.ts"),h=r("./node_modules/eventemitter3/index.js"),u=Object(l.getMediaSource)()||{isTypeSupported:function(){return!1}},c=function(){function e(e,t,r,l){var c=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=e,this.id=t,this.onTransmuxComplete=r,this.onFlush=l;var d=e.config,f=function(t,r){(r=r||{}).frag=c.frag,r.id=c.id,e.trigger(t,r)};this.observer=new h.EventEmitter,this.observer.on(s.Events.FRAG_DECRYPTED,f),this.observer.on(s.Events.ERROR,f);var g={mp4:u.isTypeSupported("video/mp4"),mpeg:u.isTypeSupported("audio/mpeg"),mp3:u.isTypeSupported('audio/mp4; codecs="mp3"')},p=navigator.vendor;if(d.enableWorker&&"undefined"!=typeof Worker){var v;a.logger.log("demuxing in webworker");try{v=this.worker=i("./src/demux/transmuxer-worker.ts"),this.onwmsg=this.onWorkerMessage.bind(this),v.addEventListener("message",this.onwmsg),v.onerror=function(t){e.trigger(s.Events.ERROR,{type:o.ErrorTypes.OTHER_ERROR,details:o.ErrorDetails.INTERNAL_EXCEPTION,fatal:!0,event:"demuxerWorker",error:new Error(t.message+"  ("+t.filename+":"+t.lineno+")")})},v.postMessage({cmd:"init",typeSupported:g,vendor:p,id:t,config:JSON.stringify(d)})}catch(e){a.logger.warn("Error in worker:",e),a.logger.error("Error while initializing DemuxerWorker, fallback to inline"),v&&self.URL.revokeObjectURL(v.objectURL),this.transmuxer=new n.default(this.observer,g,d,p,t),this.worker=null}}else this.transmuxer=new n.default(this.observer,g,d,p,t)}var t=e.prototype;return t.destroy=function(){var e=this.worker;if(e)e.removeEventListener("message",this.onwmsg),e.terminate(),this.worker=null;else{var t=this.transmuxer;t&&(t.destroy(),this.transmuxer=null)}var r=this.observer;r&&r.removeAllListeners(),this.observer=null},t.push=function(e,t,r,i,s,o,l,h,u,c){var d,f,g=this;u.transmuxing.start=self.performance.now();var p=this.transmuxer,v=this.worker,m=o?o.start:s.start,y=s.decryptdata,E=this.frag,S=!(E&&s.cc===E.cc),T=!(E&&u.level===E.level),b=E?u.sn-E.sn:-1,_=this.part?u.part-this.part.index:1,L=!T&&(1===b||0===b&&1===_),A=self.performance.now();(T||b||0===s.stats.parsing.start)&&(s.stats.parsing.start=A),!o||!_&&L||(o.stats.parsing.start=A);var D=!(E&&(null===(d=s.initSegment)||void 0===d?void 0:d.url)===(null===(f=E.initSegment)||void 0===f?void 0:f.url)),w=new n.TransmuxState(S,L,h,T,m,D);if(!L||S||D){a.logger.log("[transmuxer-interface, "+s.type+"]: Starting new transmux session for sn: "+u.sn+" p: "+u.part+" level: "+u.level+" id: "+u.id+"\n        discontinuity: "+S+"\n        trackSwitch: "+T+"\n        contiguous: "+L+"\n        accurateTimeOffset: "+h+"\n        timeOffset: "+m+"\n        initSegmentChange: "+D);var I=new 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t=e.data,r=this.hls;switch(t.event){case"init":self.URL.revokeObjectURL(this.worker.objectURL);break;case"transmuxComplete":this.handleTransmuxComplete(t.data);break;case"flush":this.onFlush(t.data);break;default:t.data=t.data||{},t.data.frag=this.frag,t.data.id=this.id,r.trigger(t.event,t.data)}},t.configureTransmuxer=function(e){var t=this.worker,r=this.transmuxer;t?t.postMessage({cmd:"configure",config:e}):r&&r.configure(e)},t.handleTransmuxComplete=function(e){e.chunkMeta.transmuxing.end=self.performance.now(),this.onTransmuxComplete(e)},e}()},"./src/demux/transmuxer-worker.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"default",(function(){return o}));var i=r("./src/demux/transmuxer.ts"),s=r("./src/events.ts"),n=r("./src/utils/logger.ts"),a=r("./node_modules/eventemitter3/index.js");function o(e){var t=new a.EventEmitter,r=function(t,r){e.postMessage({event:t,data:r})};t.on(s.Events.FRAG_DECRYPTED,r),t.on(s.Events.ERROR,r),e.addEventListener("message",(function(s){var a=s.data;switch(a.cmd){case"init":var o=JSON.parse(a.config);e.transmuxer=new i.default(t,a.typeSupported,o,a.vendor,a.id),Object(n.enableLogs)(o.debug),r("init",null);break;case"configure":e.transmuxer.configure(a.config);break;case"demux":var h=e.transmuxer.push(a.data,a.decryptdata,a.chunkMeta,a.state);Object(i.isPromise)(h)?h.then((function(t){l(e,t)})):l(e,h);break;case"flush":var c=a.chunkMeta,d=e.transmuxer.flush(c);Object(i.isPromise)(d)?d.then((function(t){u(e,t,c)})):u(e,d,c)}}))}function l(e,t){if((r=t.remuxResult).audio||r.video||r.text||r.id3||r.initSegment){var r,i=[],s=t.remuxResult,n=s.audio,a=s.video;n&&h(i,n),a&&h(i,a),e.postMessage({event:"transmuxComplete",data:t},i)}}function h(e,t){t.data1&&e.push(t.data1.buffer),t.data2&&e.push(t.data2.buffer)}function u(e,t,r){t.forEach((function(t){l(e,t)})),e.postMessage({event:"flush",data:r})}},"./src/demux/transmuxer.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"default",(function(){return y})),r.d(t,"isPromise",(function(){return S})),r.d(t,"TransmuxConfig",(function(){return T})),r.d(t,"TransmuxState",(function(){return b}));var i,s=r("./src/events.ts"),n=r("./src/errors.ts"),a=r("./src/crypt/decrypter.ts"),o=r("./src/demux/aacdemuxer.ts"),l=r("./src/demux/mp4demuxer.ts"),h=r("./src/demux/tsdemuxer.ts"),u=r("./src/demux/mp3demuxer.ts"),c=r("./src/remux/mp4-remuxer.ts"),d=r("./src/remux/passthrough-remuxer.ts"),f=r("./src/demux/chunk-cache.ts"),g=r("./src/utils/mp4-tools.ts"),p=r("./src/utils/logger.ts");try{i=self.performance.now.bind(self.performance)}catch(e){p.logger.debug("Unable to use Performance API on this environment"),i=self.Date.now}var v=[{demux:h.default,remux:c.default},{demux:l.default,remux:d.default},{demux:o.default,remux:c.default},{demux:u.default,remux:c.default}],m=1024;v.forEach((function(e){var t=e.demux;m=Math.max(m,t.minProbeByteLength)}));var y=function(){function e(e,t,r,i,s){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=e,this.typeSupported=t,this.config=r,this.vendor=i,this.id=s}var t=e.prototype;return t.configure=function(e){this.transmuxConfig=e,this.decrypter&&this.decrypter.reset()},t.push=function(e,t,r,s){var n=this,a=r.transmuxing;a.executeStart=i();var o=new Uint8Array(e),l=this.cache,h=this.config,u=this.currentTransmuxState,c=this.transmuxConfig;s&&(this.currentTransmuxState=s);var d=function(e,t){var r=null;return e.byteLength>0&&null!=t&&null!=t.key&&null!==t.iv&&null!=t.method&&(r=t),r}(o,t);if(d&&"AES-128"===d.method){var f=this.getDecrypter();if(!h.enableSoftwareAES)return this.decryptionPromise=f.webCryptoDecrypt(o,d.key.buffer,d.iv.buffer).then((function(e){var t=n.push(e,null,r);return n.decryptionPromise=null,t})),this.decryptionPromise;var p=f.softwareDecrypt(o,d.key.buffer,d.iv.buffer);if(!p)return a.executeEnd=i(),E(r);o=new Uint8Array(p)}var v=s||u,m=v.contiguous,y=v.discontinuity,S=v.trackSwitch,T=v.accurateTimeOffset,b=v.timeOffset,_=v.initSegmentChange,L=c.audioCodec,A=c.videoCodec,D=c.defaultInitPts,w=c.duration,I=c.initSegmentData;if((y||S||_)&&this.resetInitSegment(I,L,A,w),(y||_)&&this.resetInitialTimestamp(D),m||this.resetContiguity(),this.needsProbing(o,y,S)){if(l.dataLength){var P=l.flush();o=Object(g.appendUint8Array)(P,o)}this.configureTransmuxer(o,c)}var R=this.transmux(o,d,b,T,r),C=this.currentTransmuxState;return C.contiguous=!0,C.discontinuity=!1,C.trackSwitch=!1,a.executeEnd=i(),R},t.flush=function(e){var t=this,r=e.transmuxing;r.executeStart=i();var a=this.decrypter,o=this.cache,l=this.currentTransmuxState,h=this.decryptionPromise;if(h)return h.then((function(){return t.flush(e)}));var u=[],c=l.timeOffset;if(a){var d=a.flush();d&&u.push(this.push(d,null,e))}var f=o.dataLength;o.reset();var g=this.demuxer,p=this.remuxer;if(!g||!p)return f>=m&&this.observer.emit(s.Events.ERROR,s.Events.ERROR,{type:n.ErrorTypes.MEDIA_ERROR,details:n.ErrorDetails.FRAG_PARSING_ERROR,fatal:!0,reason:"no demux matching with content found"}),r.executeEnd=i(),[E(e)];var v=g.flush(c);return S(v)?v.then((function(r){return t.flushRemux(u,r,e),u})):(this.flushRemux(u,v,e),u)},t.flushRemux=function(e,t,r){var s=t.audioTrack,n=t.avcTrack,a=t.id3Track,o=t.textTrack,l=this.currentTransmuxState,h=l.accurateTimeOffset,u=l.timeOffset;p.logger.log("[transmuxer.ts]: Flushed fragment "+r.sn+(r.part>-1?" p: "+r.part:"")+" of level "+r.level);var c=this.remuxer.remux(s,n,a,o,u,h,!0,this.id);e.push({remuxResult:c,chunkMeta:r}),r.transmuxing.executeEnd=i()},t.resetInitialTimestamp=function(e){var t=this.demuxer,r=this.remuxer;t&&r&&(t.resetTimeStamp(e),r.resetTimeStamp(e))},t.resetContiguity=function(){var e=this.demuxer,t=this.remuxer;e&&t&&(e.resetContiguity(),t.resetNextTimestamp())},t.resetInitSegment=function(e,t,r,i){var s=this.demuxer,n=this.remuxer;s&&n&&(s.resetInitSegment(t,r,i),n.resetInitSegment(e,t,r))},t.destroy=function(){this.demuxer&&(this.demuxer.destroy(),this.demuxer=void 0),this.remuxer&&(this.remuxer.destroy(),this.remuxer=void 0)},t.transmux=function(e,t,r,i,s){return t&&"SAMPLE-AES"===t.method?this.transmuxSampleAes(e,t,r,i,s):this.transmuxUnencrypted(e,r,i,s)},t.transmuxUnencrypted=function(e,t,r,i){var s=this.demuxer.demux(e,t,!1,!this.config.progressive),n=s.audioTrack,a=s.avcTrack,o=s.id3Track,l=s.textTrack;return{remuxResult:this.remuxer.remux(n,a,o,l,t,r,!1,this.id),chunkMeta:i}},t.transmuxSampleAes=function(e,t,r,i,s){var n=this;return this.demuxer.demuxSampleAes(e,t,r).then((function(e){return{remuxResult:n.remuxer.remux(e.audioTrack,e.avcTrack,e.id3Track,e.textTrack,r,i,!1,n.id),chunkMeta:s}}))},t.configureTransmuxer=function(e,t){for(var r,i=this.config,s=this.observer,n=this.typeSupported,a=this.vendor,o=t.audioCodec,h=t.defaultInitPts,u=t.duration,c=t.initSegmentData,f=t.videoCodec,g=0,m=v.length;g<m;g++)if(v[g].demux.probe(e)){r=v[g];break}r||(p.logger.warn("Failed to find demuxer by probing frag, treating as mp4 passthrough"),r={demux:l.default,remux:d.default});var y=this.demuxer,E=this.remuxer,S=r.remux,T=r.demux;E&&E instanceof S||(this.remuxer=new S(s,i,n,a)),y&&y instanceof T||(this.demuxer=new T(s,i,n),this.probe=T.probe),this.resetInitSegment(c,o,f,u),this.resetInitialTimestamp(h)},t.needsProbing=function(e,t,r){return!this.demuxer||!this.remuxer||t||r},t.getDecrypter=function(){var e=this.decrypter;return e||(e=this.decrypter=new a.default(this.observer,this.config)),e},e}(),E=function(e){return{remuxResult:{},chunkMeta:e}};function S(e){return"then"in e&&e.then instanceof Function}var T=function(e,t,r,i,s){this.audioCodec=void 0,this.videoCodec=void 0,this.initSegmentData=void 0,this.duration=void 0,this.defaultInitPts=void 0,this.audioCodec=e,this.videoCodec=t,this.initSegmentData=r,this.duration=i,this.defaultInitPts=s},b=function(e,t,r,i,s,n){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=e,this.contiguous=t,this.accurateTimeOffset=r,this.trackSwitch=i,this.timeOffset=s,this.initSegmentChange=n}},"./src/demux/tsdemuxer.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"discardEPB",(function(){return S}));var i=r("./src/demux/adts.ts"),s=r("./src/demux/mpegaudio.ts"),n=r("./src/demux/exp-golomb.ts"),a=r("./src/demux/id3.ts"),o=r("./src/demux/sample-aes.ts"),l=r("./src/events.ts"),h=r("./src/utils/mp4-tools.ts"),u=r("./src/utils/logger.ts"),c=r("./src/errors.ts"),d={video:1,audio:2,id3:3,text:4},f=function(){function e(e,t,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=e,this.config=t,this.typeSupported=r}e.probe=function(t){var r=e.syncOffset(t);return!(r<0||(r&&u.logger.warn("MPEG2-TS detected but first sync word found @ offset "+r+", junk ahead ?"),0))},e.syncOffset=function(e){for(var t=Math.min(1e3,e.length-564),r=0;r<t;){if(71===e[r]&&71===e[r+188]&&71===e[r+376])return r;r++}return-1},e.createTrack=function(e,t){return{container:"video"===e||"audio"===e?"video/mp2t":void 0,type:e,id:d[e],pid:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],dropped:0,duration:"audio"===e?t:void 0}};var t=e.prototype;return t.resetInitSegment=function(t,r,i){this.pmtParsed=!1,this._pmtId=-1,this._avcTrack=e.createTrack("video",i),this._audioTrack=e.createTrack("audio",i),this._id3Track=e.createTrack("id3",i),this._txtTrack=e.createTrack("text",i),this._audioTrack.isAAC=!0,this.aacOverFlow=null,this.aacLastPTS=null,this.avcSample=null,this.audioCodec=t,this.videoCodec=r,this._duration=i},t.resetTimeStamp=function(){},t.resetContiguity=function(){var e=this._audioTrack,t=this._avcTrack,r=this._id3Track;e&&(e.pesData=null),t&&(t.pesData=null),r&&(r.pesData=null),this.aacOverFlow=null,this.aacLastPTS=null},t.demux=function(t,r,i,s){var n;void 0===i&&(i=!1),void 0===s&&(s=!1),i||(this.sampleAes=null);var a=this._avcTrack,o=this._audioTrack,d=this._id3Track,f=a.pid,g=a.pesData,y=o.pid,E=d.pid,S=o.pesData,T=d.pesData,b=!1,_=this.pmtParsed,L=this._pmtId,A=t.length;if(this.remainderData&&(A=(t=Object(h.appendUint8Array)(this.remainderData,t)).length,this.remainderData=null),A<188&&!s)return this.remainderData=t,{audioTrack:o,avcTrack:a,id3Track:d,textTrack:this._txtTrack};var D=Math.max(0,e.syncOffset(t));(A-=(A+D)%188)<t.byteLength&&!s&&(this.remainderData=new Uint8Array(t.buffer,A,t.buffer.byteLength-A));for(var w=0,I=D;I<A;I+=188)if(71===t[I]){var P=!!(64&t[I+1]),R=((31&t[I+1])<<8)+t[I+2],C=void 0;if((48&t[I+3])>>4>1){if((C=I+5+t[I+4])===I+188)continue}else C=I+4;switch(R){case f:P&&(g&&(n=m(g))&&this.parseAVCPES(n,!1),g={data:[],size:0}),g&&(g.data.push(t.subarray(C,I+188)),g.size+=I+188-C);break;case y:P&&(S&&(n=m(S))&&(o.isAAC?this.parseAACPES(n):this.parseMPEGPES(n)),S={data:[],size:0}),S&&(S.data.push(t.subarray(C,I+188)),S.size+=I+188-C);break;case E:P&&(T&&(n=m(T))&&this.parseID3PES(n),T={data:[],size:0}),T&&(T.data.push(t.subarray(C,I+188)),T.size+=I+188-C);break;case 0:P&&(C+=t[C]+1),L=this._pmtId=p(t,C);break;case L:P&&(C+=t[C]+1);var k=v(t,C,!0===this.typeSupported.mpeg||!0===this.typeSupported.mp3,i);(f=k.avc)>0&&(a.pid=f),(y=k.audio)>0&&(o.pid=y,o.isAAC=k.isAAC),(E=k.id3)>0&&(d.pid=E),b&&!_&&(u.logger.log("reparse from beginning"),b=!1,I=D-188),_=this.pmtParsed=!0;break;case 17:case 8191:break;default:b=!0}}else w++;w>0&&this.observer.emit(l.Events.ERROR,l.Events.ERROR,{type:c.ErrorTypes.MEDIA_ERROR,details:c.ErrorDetails.FRAG_PARSING_ERROR,fatal:!1,reason:"Found "+w+" TS packet/s that do not start with 0x47"}),a.pesData=g,o.pesData=S,d.pesData=T;var O={audioTrack:o,avcTrack:a,id3Track:d,textTrack:this._txtTrack};return s&&this.extractRemainingSamples(O),O},t.flush=function(){var e,t=this.remainderData;return this.remainderData=null,e=t?this.demux(t,-1,!1,!0):{audioTrack:this._audioTrack,avcTrack:this._avcTrack,textTrack:this._txtTrack,id3Track:this._id3Track},this.extractRemainingSamples(e),this.sampleAes?this.decrypt(e,this.sampleAes):e},t.extractRemainingSamples=function(e){var t,r=e.audioTrack,i=e.avcTrack,s=e.id3Track,n=i.pesData,a=r.pesData,o=s.pesData;n&&(t=m(n))?(this.parseAVCPES(t,!0),i.pesData=null):i.pesData=n,a&&(t=m(a))?(r.isAAC?this.parseAACPES(t):this.parseMPEGPES(t),r.pesData=null):(null!=a&&a.size&&u.logger.log("last AAC PES packet truncated,might overlap between fragments"),r.pesData=a),o&&(t=m(o))?(this.parseID3PES(t),s.pesData=null):s.pesData=o},t.demuxSampleAes=function(e,t,r){var i=this.demux(e,r,!0,!this.config.progressive),s=this.sampleAes=new o.default(this.observer,this.config,t);return this.decrypt(i,s)},t.decrypt=function(e,t){return new Promise((function(r){var i=e.audioTrack,s=e.avcTrack;i.samples&&i.isAAC?t.decryptAacSamples(i.samples,0,(function(){s.samples?t.decryptAvcSamples(s.samples,0,0,(function(){r(e)})):r(e)})):s.samples&&t.decryptAvcSamples(s.samples,0,0,(function(){r(e)}))}))},t.destroy=function(){this._initPTS=this._initDTS=null,this._duration=0},t.parseAVCPES=function(e,t){var r,i=this,s=this._avcTrack,o=this.parseAVCNALu(e.data),l=this.avcSample,h=!1;e.data=null,l&&o.length&&!s.audFound&&(y(l,s),l=this.avcSample=g(!1,e.pts,e.dts,"")),o.forEach((function(t){switch(t.type){case 1:r=!0,l||(l=i.avcSample=g(!0,e.pts,e.dts,"")),l.frame=!0;var o=t.data;if(h&&o.length>4){var u=new n.default(o).readSliceType();2!==u&&4!==u&&7!==u&&9!==u||(l.key=!0)}break;case 5:r=!0,l||(l=i.avcSample=g(!0,e.pts,e.dts,"")),l.key=!0,l.frame=!0;break;case 6:r=!0;var c=new n.default(S(t.data));c.readUByte();for(var d=0,f=0,p=!1,v=0;!p&&c.bytesAvailable>1;){d=0;do{d+=v=c.readUByte()}while(255===v);f=0;do{f+=v=c.readUByte()}while(255===v);if(4===d&&0!==c.bytesAvailable){if(p=!0,181===c.readUByte()&&49===c.readUShort()&&1195456820===c.readUInt()&&3===c.readUByte()){for(var m=c.readUByte(),T=31&m,b=[m,c.readUByte()],_=0;_<T;_++)b.push(c.readUByte()),b.push(c.readUByte()),b.push(c.readUByte());E(i._txtTrack.samples,{type:3,pts:e.pts,bytes:b})}}else if(5===d&&0!==c.bytesAvailable){if(p=!0,f>16){for(var L=[],A=0;A<16;A++)L.push(c.readUByte().toString(16)),3!==A&&5!==A&&7!==A&&9!==A||L.push("-");for(var D=f-16,w=new Uint8Array(D),I=0;I<D;I++)w[I]=c.readUByte();E(i._txtTrack.samples,{pts:e.pts,payloadType:d,uuid:L.join(""),userData:Object(a.utf8ArrayToStr)(w),userDataBytes:w})}}else if(f<c.bytesAvailable)for(var P=0;P<f;P++)c.readUByte()}break;case 7:if(r=!0,h=!0,!s.sps){var R=new n.default(t.data).readSPS();s.width=R.width,s.height=R.height,s.pixelRatio=R.pixelRatio,s.sps=[t.data],s.duration=i._duration;for(var C=t.data.subarray(1,4),k="avc1.",O=0;O<3;O++){var M=C[O].toString(16);M.length<2&&(M="0"+M),k+=M}s.codec=k}break;case 8:r=!0,s.pps||(s.pps=[t.data]);break;case 9:r=!1,s.audFound=!0,l&&y(l,s),l=i.avcSample=g(!1,e.pts,e.dts,"");break;case 12:r=!1;break;default:r=!1,l&&(l.debug+="unknown NAL "+t.type+" ")}l&&r&&l.units.push(t)})),t&&l&&(y(l,s),this.avcSample=null)},t.getLastNalUnit=function(){var e,t,r=this.avcSample;if(!r||0===r.units.length){var i=this._avcTrack.samples;r=i[i.length-1]}if(null!==(e=r)&&void 0!==e&&e.units){var s=r.units;t=s[s.length-1]}return t},t.parseAVCNALu=function(e){var t,r,i=e.byteLength,s=this._avcTrack,n=s.naluState||0,a=n,o=[],l=0,h=-1,u=0;for(-1===n&&(h=0,u=31&e[0],n=0,l=1);l<i;)if(t=e[l++],n)if(1!==n)if(t)if(1===t){if(h>=0){var c={data:e.subarray(h,l-n-1),type:u};o.push(c)}else{var d=this.getLastNalUnit();if(d&&(a&&l<=4-a&&d.state&&(d.data=d.data.subarray(0,d.data.byteLength-a)),(r=l-n-1)>0)){var f=new Uint8Array(d.data.byteLength+r);f.set(d.data,0),f.set(e.subarray(0,r),d.data.byteLength),d.data=f,d.state=0}}l<i?(h=l,u=31&e[l],n=0):n=-1}else n=0;else n=3;else n=t?0:2;else n=t?0:1;if(h>=0&&n>=0){var g={data:e.subarray(h,i),type:u,state:n};o.push(g)}if(0===o.length){var p=this.getLastNalUnit();if(p){var v=new Uint8Array(p.data.byteLength+e.byteLength);v.set(p.data,0),v.set(e,p.data.byteLength),p.data=v}}return s.naluState=n,o},t.parseAACPES=function(e){var t,r,s,n,a,o=0,h=this._audioTrack,d=this.aacOverFlow,f=e.data;if(d){this.aacOverFlow=null;var g=d.sample.unit.byteLength,p=Math.min(d.missing,g),v=g-p;d.sample.unit.set(f.subarray(0,p),v),h.samples.push(d.sample),o=d.missing}for(t=o,r=f.length;t<r-1&&!i.isHeader(f,t);t++);if(t===o||(t<r-1?(s="AAC PES did not start with ADTS header,offset:"+t,n=!1):(s="no ADTS header found in AAC PES",n=!0),u.logger.warn("parsing error:"+s),this.observer.emit(l.Events.ERROR,l.Events.ERROR,{type:c.ErrorTypes.MEDIA_ERROR,details:c.ErrorDetails.FRAG_PARSING_ERROR,fatal:n,reason:s}),!n)){if(i.initTrackConfig(h,this.observer,f,t,this.audioCodec),void 0!==e.pts)a=e.pts;else{if(!d)return void u.logger.warn("[tsdemuxer]: AAC PES unknown PTS");var m=i.getFrameDuration(h.samplerate);a=d.sample.pts+m}for(var y=0;t<r;){if(i.isHeader(f,t)){if(t+5<r){var E=i.appendFrame(h,f,t,a,y);if(E){if(!E.missing){t+=E.length,y++;continue}this.aacOverFlow=E}}break}t++}}},t.parseMPEGPES=function(e){var t=e.data,r=t.length,i=0,n=0,a=e.pts;if(void 0!==a)for(;n<r;)if(s.isHeader(t,n)){var o=s.appendFrame(this._audioTrack,t,n,a,i);if(!o)break;n+=o.length,i++}else n++;else u.logger.warn("[tsdemuxer]: MPEG PES unknown PTS")},t.parseID3PES=function(e){void 0!==e.pts?this._id3Track.samples.push(e):u.logger.warn("[tsdemuxer]: ID3 PES unknown PTS")},e}();function g(e,t,r,i){return{key:e,frame:!1,pts:t,dts:r,units:[],debug:i,length:0}}function p(e,t){return(31&e[t+10])<<8|e[t+11]}function v(e,t,r,i){var s={audio:-1,avc:-1,id3:-1,isAAC:!0},n=t+3+((15&e[t+1])<<8|e[t+2])-4;for(t+=12+((15&e[t+10])<<8|e[t+11]);t<n;){var a=(31&e[t+1])<<8|e[t+2];switch(e[t]){case 207:if(!i){u.logger.log("ADTS AAC with AES-128-CBC frame encryption found in unencrypted stream");break}case 15:-1===s.audio&&(s.audio=a);break;case 21:-1===s.id3&&(s.id3=a);break;case 219:if(!i){u.logger.log("H.264 with AES-128-CBC slice encryption found in unencrypted stream");break}case 27:-1===s.avc&&(s.avc=a);break;case 3:case 4:r?-1===s.audio&&(s.audio=a,s.isAAC=!1):u.logger.log("MPEG audio found, not supported in this browser");break;case 36:u.logger.warn("Unsupported HEVC stream type found")}t+=5+((15&e[t+3])<<8|e[t+4])}return s}function m(e){var t,r,i,s,n,a=0,o=e.data;if(!e||0===e.size)return null;for(;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)}if(1===((t=o[0])[0]<<16)+(t[1]<<8)+t[2]){if((r=(t[4]<<8)+t[5])&&r>e.size-6)return null;var h=t[7];192&h&&(s=536870912*(14&t[9])+4194304*(255&t[10])+16384*(254&t[11])+128*(255&t[12])+(254&t[13])/2,64&h?s-(n=536870912*(14&t[14])+4194304*(255&t[15])+16384*(254&t[16])+128*(255&t[17])+(254&t[18])/2)>54e5&&(u.logger.warn(Math.round((s-n)/9e4)+"s delta between PTS and DTS, align them"),s=n):n=s);var c=(i=t[8])+9;if(e.size<=c)return null;e.size-=c;for(var d=new Uint8Array(e.size),f=0,g=o.length;f<g;f++){var p=(t=o[f]).byteLength;if(c){if(c>p){c-=p;continue}t=t.subarray(c),p-=c,c=0}d.set(t,a),a+=p}return r&&(r-=i+3),{data:d,pts:s,dts:n,len:r}}return null}function y(e,t){if(e.units.length&&e.frame){if(void 0===e.pts){var r=t.samples,i=r.length;if(!i)return void t.dropped++;var s=r[i-1];e.pts=s.pts,e.dts=s.dts}t.samples.push(e)}e.debug.length&&u.logger.log(e.pts+"/"+e.dts+":"+e.debug)}function E(e,t){var r=e.length;if(r>0){if(t.pts>=e[r-1].pts)e.push(t);else for(var i=r-1;i>=0;i--)if(t.pts<e[i].pts){e.splice(i,0,t);break}}else e.push(t)}function S(e){for(var t=e.byteLength,r=[],i=1;i<t-2;)0===e[i]&&0===e[i+1]&&3===e[i+2]?(r.push(i+2),i+=2):i++;if(0===r.length)return e;var s=t-r.length,n=new Uint8Array(s),a=0;for(i=0;i<s;a++,i++)a===r[0]&&(a++,r.shift()),n[i]=e[a];return n}f.minProbeByteLength=188,t.default=f},"./src/errors.ts":function(e,t,r){"use strict";var i,s;r.r(t),r.d(t,"ErrorTypes",(function(){return i})),r.d(t,"ErrorDetails",(function(){return s})),function(e){e.NETWORK_ERROR="networkError",e.MEDIA_ERROR="mediaError",e.KEY_SYSTEM_ERROR="keySystemError",e.MUX_ERROR="muxError",e.OTHER_ERROR="otherError"}(i||(i={})),function(e){e.KEY_SYSTEM_NO_KEYS="keySystemNoKeys",e.KEY_SYSTEM_NO_ACCESS="keySystemNoAccess",e.KEY_SYSTEM_NO_SESSION="keySystemNoSession",e.KEY_SYSTEM_LICENSE_REQUEST_FAILED="keySystemLicenseRequestFailed",e.KEY_SYSTEM_NO_INIT_DATA="keySystemNoInitData",e.MANIFEST_LOAD_ERROR="manifestLoadError",e.MANIFEST_LOAD_TIMEOUT="manifestLoadTimeOut",e.MANIFEST_PARSING_ERROR="manifestParsingError",e.MANIFEST_INCOMPATIBLE_CODECS_ERROR="manifestIncompatibleCodecsError",e.LEVEL_EMPTY_ERROR="levelEmptyError",e.LEVEL_LOAD_ERROR="levelLoadError",e.LEVEL_LOAD_TIMEOUT="levelLoadTimeOut",e.LEVEL_SWITCH_ERROR="levelSwitchError",e.AUDIO_TRACK_LOAD_ERROR="audioTrackLoadError",e.AUDIO_TRACK_LOAD_TIMEOUT="audioTrackLoadTimeOut",e.SUBTITLE_LOAD_ERROR="subtitleTrackLoadError",e.SUBTITLE_TRACK_LOAD_TIMEOUT="subtitleTrackLoadTimeOut",e.FRAG_LOAD_ERROR="fragLoadError",e.FRAG_LOAD_TIMEOUT="fragLoadTimeOut",e.FRAG_DECRYPT_ERROR="fragDecryptError",e.FRAG_PARSING_ERROR="fragParsingError",e.REMUX_ALLOC_ERROR="remuxAllocError",e.KEY_LOAD_ERROR="keyLoadError",e.KEY_LOAD_TIMEOUT="keyLoadTimeOut",e.BUFFER_ADD_CODEC_ERROR="bufferAddCodecError",e.BUFFER_INCOMPATIBLE_CODECS_ERROR="bufferIncompatibleCodecsError",e.BUFFER_APPEND_ERROR="bufferAppendError",e.BUFFER_APPENDING_ERROR="bufferAppendingError",e.BUFFER_STALLED_ERROR="bufferStalledError",e.BUFFER_FULL_ERROR="bufferFullError",e.BUFFER_SEEK_OVER_HOLE="bufferSeekOverHole",e.BUFFER_NUDGE_ON_STALL="bufferNudgeOnStall",e.INTERNAL_EXCEPTION="internalException",e.INTERNAL_ABORTED="aborted",e.UNKNOWN="unknown"}(s||(s={}))},"./src/events.ts":function(e,t,r){"use strict";var i;r.r(t),r.d(t,"Events",(function(){return i})),function(e){e.MEDIA_ATTACHING="hlsMediaAttaching",e.MEDIA_ATTACHED="hlsMediaAttached",e.MEDIA_DETACHING="hlsMediaDetaching",e.MEDIA_DETACHED="hlsMediaDetached",e.BUFFER_RESET="hlsBufferReset",e.BUFFER_CODECS="hlsBufferCodecs",e.BUFFER_CREATED="hlsBufferCreated",e.BUFFER_APPENDING="hlsBufferAppending",e.BUFFER_APPENDED="hlsBufferAppended",e.BUFFER_EOS="hlsBufferEos",e.BUFFER_FLUSHING="hlsBufferFlushing",e.BUFFER_FLUSHED="hlsBufferFlushed",e.MANIFEST_LOADING="hlsManifestLoading",e.MANIFEST_LOADED="hlsManifestLoaded",e.MANIFEST_PARSED="hlsManifestParsed",e.LEVEL_SWITCHING="hlsLevelSwitching",e.LEVEL_SWITCHED="hlsLevelSwitched",e.LEVEL_LOADING="hlsLevelLoading",e.LEVEL_LOADED="hlsLevelLoaded",e.LEVEL_UPDATED="hlsLevelUpdated",e.LEVEL_PTS_UPDATED="hlsLevelPtsUpdated",e.LEVELS_UPDATED="hlsLevelsUpdated",e.AUDIO_TRACKS_UPDATED="hlsAudioTracksUpdated",e.AUDIO_TRACK_SWITCHING="hlsAudioTrackSwitching",e.AUDIO_TRACK_SWITCHED="hlsAudioTrackSwitched",e.AUDIO_TRACK_LOADING="hlsAudioTrackLoading",e.AUDIO_TRACK_LOADED="hlsAudioTrackLoaded",e.SUBTITLE_TRACKS_UPDATED="hlsSubtitleTracksUpdated",e.SUBTITLE_TRACKS_CLEARED="hlsSubtitleTracksCleared",e.SUBTITLE_TRACK_SWITCH="hlsSubtitleTrackSwitch",e.SUBTITLE_TRACK_LOADING="hlsSubtitleTrackLoading",e.SUBTITLE_TRACK_LOADED="hlsSubtitleTrackLoaded",e.SUBTITLE_FRAG_PROCESSED="hlsSubtitleFragProcessed",e.CUES_PARSED="hlsCuesParsed",e.NON_NATIVE_TEXT_TRACKS_FOUND="hlsNonNativeTextTracksFound",e.INIT_PTS_FOUND="hlsInitPtsFound",e.FRAG_LOADING="hlsFragLoading",e.FRAG_LOAD_EMERGENCY_ABORTED="hlsFragLoadEmergencyAborted",e.FRAG_LOADED="hlsFragLoaded",e.FRAG_DECRYPTED="hlsFragDecrypted",e.FRAG_PARSING_INIT_SEGMENT="hlsFragParsingInitSegment",e.FRAG_PARSING_USERDATA="hlsFragParsingUserdata",e.FRAG_PARSING_METADATA="hlsFragParsingMetadata",e.FRAG_PARSED="hlsFragParsed",e.FRAG_BUFFERED="hlsFragBuffered",e.FRAG_CHANGED="hlsFragChanged",e.FPS_DROP="hlsFpsDrop",e.FPS_DROP_LEVEL_CAPPING="hlsFpsDropLevelCapping",e.ERROR="hlsError",e.DESTROYING="hlsDestroying",e.KEY_LOADING="hlsKeyLoading",e.KEY_LOADED="hlsKeyLoaded",e.LIVE_BACK_BUFFER_REACHED="hlsLiveBackBufferReached",e.BACK_BUFFER_REACHED="hlsBackBufferReached"}(i||(i={}))},"./src/hls.ts":function(e,t,r){"use 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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)(e.DefaultConfig,t);this.userConfig=t,Object(d.enableLogs)(r.debug),this._autoLevelCapping=-1,r.progressive&&Object(f.enableStreamingMode)(r);var i=r.abrController,c=r.bufferController,p=r.capLevelController,v=r.fpsController,m=this.abrController=new i(this),y=this.bufferController=new c(this),E=this.capLevelController=new p(this),S=new v(this),T=new s.default(this),b=new n.default(this),_=new a.default(this),L=this.levelController=new l.default(this),A=new h.FragmentTracker(this),D=this.streamController=new u.default(this,A);E.setStreamController(D),S.setStreamController(D);var w=[L,D];this.networkControllers=w;var I=[T,b,m,y,E,S,_,A];this.audioTrackController=this.createController(r.audioTrackController,null,w),this.createController(r.audioStreamController,A,w),this.subtitleTrackController=this.createController(r.subtitleTrackController,null,w),this.createController(r.subtitleStreamController,A,w),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}e.isSupported=function(){return Object(c.isSupported)()};var t,r,y,E=e.prototype;return E.createController=function(e,t,r){if(e){var i=t?new e(this,t):new e(this);return r&&r.push(i),i}return null},E.on=function(e,t,r){void 0===r&&(r=this),this._emitter.on(e,t,r)},E.once=function(e,t,r){void 0===r&&(r=this),this._emitter.once(e,t,r)},E.removeAllListeners=function(e){this._emitter.removeAllListeners(e)},E.off=function(e,t,r,i){void 0===r&&(r=this),this._emitter.off(e,t,r,i)},E.listeners=function(e){return this._emitter.listeners(e)},E.emit=function(e,t,r){return this._emitter.emit(e,t,r)},E.trigger=function(e,t){if(this.config.debug)return this.emit(e,e,t);try{return this.emit(e,e,t)}catch(t){d.logger.error("An internal error happened while handling event "+e+'. Error message: "'+t.message+'". Here is a stacktrace:',t),this.trigger(p.Events.ERROR,{type:v.ErrorTypes.OTHER_ERROR,details:v.ErrorDetails.INTERNAL_EXCEPTION,fatal:!1,event:e,error:t})}return!1},E.listenerCount=function(e){return this._emitter.listenerCount(e)},E.destroy=function(){d.logger.log("destroy"),this.trigger(p.Events.DESTROYING,void 0),this.detachMedia(),this.removeAllListeners(),this._autoLevelCapping=-1,this.url=null,this.networkControllers.forEach((function(e){return e.destroy()})),this.networkControllers.length=0,this.coreComponents.forEach((function(e){return e.destroy()})),this.coreComponents.length=0},E.attachMedia=function(e){d.logger.log("attachMedia"),this._media=e,this.trigger(p.Events.MEDIA_ATTACHING,{media:e})},E.detachMedia=function(){d.logger.log("detachMedia"),this.trigger(p.Events.MEDIA_DETACHING,void 0),this._media=null},E.loadSource=function(e){this.stopLoad();var t=this.media,r=this.url,s=this.url=i.buildAbsoluteURL(self.location.href,e,{alwaysNormalize:!0});d.logger.log("loadSource:"+s),t&&r&&r!==s&&this.bufferController.hasSourceTypes()&&(this.detachMedia(),this.attachMedia(t)),this.trigger(p.Events.MANIFEST_LOADING,{url:e})},E.startLoad=function(e){void 0===e&&(e=-1),d.logger.log("startLoad("+e+")"),this.networkControllers.forEach((function(t){t.startLoad(e)}))},E.stopLoad=function(){d.logger.log("stopLoad"),this.networkControllers.forEach((function(e){e.stopLoad()}))},E.swapAudioCodec=function(){d.logger.log("swapAudioCodec"),this.streamController.swapAudioCodec()},E.recoverMediaError=function(){d.logger.log("recoverMediaError");var e=this._media;this.detachMedia(),e&&this.attachMedia(e)},E.removeLevel=function(e,t){void 0===t&&(t=0),this.levelController.removeLevel(e,t)},t=e,y=[{key:"version",get:function(){return"1.1.5"}},{key:"Events",get:function(){return p.Events}},{key:"ErrorTypes",get:function(){return v.ErrorTypes}},{key:"ErrorDetails",get:function(){return v.ErrorDetails}},{key:"DefaultConfig",get:function(){return e.defaultConfig?e.defaultConfig:f.hlsDefaultConfig},set:function(t){e.defaultConfig=t}}],(r=[{key:"levels",get:function(){var e=this.levelController.levels;return e||[]}},{key:"currentLevel",get:function(){return this.streamController.currentLevel},set:function(e){d.logger.log("set currentLevel:"+e),this.loadLevel=e,this.abrController.clearTimer(),this.streamController.immediateLevelSwitch()}},{key:"nextLevel",get:function(){return this.streamController.nextLevel},set:function(e){d.logger.log("set nextLevel:"+e),this.levelController.manualLevel=e,this.streamController.nextLevelSwitch()}},{key:"loadLevel",get:function(){return this.levelController.level},set:function(e){d.logger.log("set loadLevel:"+e),this.levelController.manualLevel=e}},{key:"nextLoadLevel",get:function(){return this.levelController.nextLoadLevel},set:function(e){this.levelController.nextLoadLevel=e}},{key:"firstLevel",get:function(){return Math.max(this.levelController.firstLevel,this.minAutoLevel)},set:function(e){d.logger.log("set firstLevel:"+e),this.levelController.firstLevel=e}},{key:"startLevel",get:function(){return this.levelController.startLevel},set:function(e){d.logger.log("set startLevel:"+e),-1!==e&&(e=Math.max(e,this.minAutoLevel)),this.levelController.startLevel=e}},{key:"capLevelToPlayerSize",get:function(){return this.config.capLevelToPlayerSize},set:function(e){var t=!!e;t!==this.config.capLevelToPlayerSize&&(t?this.capLevelController.startCapping():(this.capLevelController.stopCapping(),this.autoLevelCapping=-1,this.streamController.nextLevelSwitch()),this.config.capLevelToPlayerSize=t)}},{key:"autoLevelCapping",get:function(){return this._autoLevelCapping},set:function(e){this._autoLevelCapping!==e&&(d.logger.log("set 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e?e.audioTrack:-1},set:function(e){var t=this.audioTrackController;t&&(t.audioTrack=e)}},{key:"subtitleTracks",get:function(){var e=this.subtitleTrackController;return e?e.subtitleTracks:[]}},{key:"subtitleTrack",get:function(){var e=this.subtitleTrackController;return e?e.subtitleTrack:-1},set:function(e){var t=this.subtitleTrackController;t&&(t.subtitleTrack=e)}},{key:"media",get:function(){return this._media}},{key:"subtitleDisplay",get:function(){var e=this.subtitleTrackController;return!!e&&e.subtitleDisplay},set:function(e){var t=this.subtitleTrackController;t&&(t.subtitleDisplay=e)}},{key:"lowLatencyMode",get:function(){return this.config.lowLatencyMode},set:function(e){this.config.lowLatencyMode=e}},{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 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c=i.loader=e.loader=a?new a(n):new o(n),g=d(e,t),p={timeout:n.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:n.fragLoadingMaxRetryTimeout,highWaterMark:u};t.stats=c.stats,c.load(g,p,{onSuccess:function(s,n,a,o){i.resetLoader(e,c),i.updateStatsFromPart(e,t);var h={frag:e,part:t,payload:s.data,networkDetails:o};r(h),l(h)},onError:function(r,n,a){i.resetLoader(e,c),h(new f({type:s.ErrorTypes.NETWORK_ERROR,details:s.ErrorDetails.FRAG_LOAD_ERROR,fatal:!1,frag:e,part:t,response:r,networkDetails:a}))},onAbort:function(r,n,a){e.stats.aborted=t.stats.aborted,i.resetLoader(e,c),h(new f({type:s.ErrorTypes.NETWORK_ERROR,details:s.ErrorDetails.INTERNAL_ABORTED,fatal:!1,frag:e,part:t,networkDetails:a}))},onTimeout:function(r,n,a){i.resetLoader(e,c),h(new f({type:s.ErrorTypes.NETWORK_ERROR,details:s.ErrorDetails.FRAG_LOAD_TIMEOUT,fatal:!1,frag:e,part:t,networkDetails:a}))}})}))},t.updateStatsFromPart=function(e,t){var r=e.stats,i=t.stats,s=i.total;if(r.loaded+=i.loaded,s){var 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i;return(i=e.call(this,r)||this)._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=t,i}h(t,e);var r=t.prototype;return r.createInitializationVector=function(e){for(var t=new Uint8Array(16),r=12;r<16;r++)t[r]=e>>8*(15-r)&255;return t},r.setDecryptDataFromLevelKey=function(e,t){var r=e;return"AES-128"===(null==e?void 0:e.method)&&e.uri&&!e.iv&&((r=o.LevelKey.fromURI(e.uri)).method=e.method,r.iv=this.createInitializationVector(t),r.keyFormat="identity"),r},r.setElementaryStreamInfo=function(e,t,r,i,s,n){void 0===n&&(n=!1);var a=this.elementaryStreams,o=a[e];o?(o.startPTS=Math.min(o.startPTS,t),o.endPTS=Math.max(o.endPTS,r),o.startDTS=Math.min(o.startDTS,i),o.endDTS=Math.max(o.endDTS,s)):a[e]={startPTS:t,endPTS:r,startDTS:i,endDTS:s,partial:n}},r.clearElementaryStreamInfo=function(){var e=this.elementaryStreams;e[i.AUDIO]=null,e[i.VIDEO]=null,e[i.AUDIOVIDEO]=null},d(t,[{key:"decryptdata",get:function(){if(!this.levelkey&&!this._decryptdata)return null;if(!this._decryptdata&&this.levelkey){var e=this.sn;"number"!=typeof e&&(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'),e=0),this._decryptdata=this.setDecryptDataFromLevelKey(this.levelkey,e)}return this._decryptdata}},{key:"end",get:function(){return this.start+this.duration}},{key:"endProgramDateTime",get:function(){if(null===this.programDateTime)return null;if(!Object(s.isFiniteNumber)(this.programDateTime))return null;var 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e=this.elementaryStreams;return!!(e.audio||e.video||e.audiovideo)}}]),t}(f)},"./src/loader/key-loader.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"default",(function(){return a}));var i=r("./src/events.ts"),s=r("./src/errors.ts"),n=r("./src/utils/logger.ts"),a=function(){function e(e){this.hls=void 0,this.loaders={},this.decryptkey=null,this.decrypturl=null,this.hls=e,this._registerListeners()}var t=e.prototype;return t._registerListeners=function(){this.hls.on(i.Events.KEY_LOADING,this.onKeyLoading,this)},t._unregisterListeners=function(){this.hls.off(i.Events.KEY_LOADING,this.onKeyLoading)},t.destroy=function(){for(var e in this._unregisterListeners(),this.loaders){var t=this.loaders[e];t&&t.destroy()}this.loaders={}},t.onKeyLoading=function(e,t){var r=t.frag,s=r.type,a=this.loaders[s];if(r.decryptdata){var o=r.decryptdata.uri;if(o!==this.decrypturl||null===this.decryptkey){var l=this.hls.config;if(a&&(n.logger.warn("abort previous key loader for type:"+s),a.abort()),!o)return void 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this.loaders[r.type],this.hls.trigger(i.Events.ERROR,{type:s.ErrorTypes.NETWORK_ERROR,details:s.ErrorDetails.KEY_LOAD_ERROR,fatal:!1,frag:r,response:e})},t.loadtimeout=function(e,t){var r=t.frag,n=r.loader;n&&n.abort(),delete this.loaders[r.type],this.hls.trigger(i.Events.ERROR,{type:s.ErrorTypes.NETWORK_ERROR,details:s.ErrorDetails.KEY_LOAD_TIMEOUT,fatal:!1,frag:r})},e}()},"./src/loader/level-details.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"LevelDetails",(function(){return n}));var i=r("./src/polyfills/number.ts");function s(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var n=function(){function e(e){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=e}var t,r,n;return e.prototype.reloaded=function(e){if(!e)return this.advanced=!0,void(this.updated=!0);var t=this.lastPartSn-e.lastPartSn,r=this.lastPartIndex-e.lastPartIndex;this.updated=this.endSN!==e.endSN||!!r||!!t,this.advanced=this.endSN>e.endSN||t>0||0===t&&r>0,this.updated||this.advanced?this.misses=Math.floor(.6*e.misses):this.misses=e.misses+1,this.availabilityDelay=e.availabilityDelay},t=e,(r=[{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||10}},{key:"drift",get:function(){var e=this.driftEndTime-this.driftStartTime;return e>0?1e3*(this.driftEnd-this.driftStart)/e:1}},{key:"edge",get:function(){return this.partEnd||this.fragmentEnd}},{key:"partEnd",get:function(){var e;return null!==(e=this.partList)&&void 0!==e&&e.length?this.partList[this.partList.length-1].end:this.fragmentEnd}},{key:"fragmentEnd",get:function(){var e;return null!==(e=this.fragments)&&void 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i=r("./src/polyfills/number.ts"),s=r("./node_modules/url-toolkit/src/url-toolkit.js"),n=r("./src/loader/fragment.ts"),a=r("./src/loader/level-details.ts"),o=r("./src/loader/level-key.ts"),l=r("./src/utils/attr-list.ts"),h=r("./src/utils/logger.ts"),u=r("./src/utils/codecs.ts"),c=/#EXT-X-STREAM-INF:([^\r\n]*)(?:[\r\n](?:#[^\r\n]*)?)*([^\r\n]+)|#EXT-X-SESSION-DATA:([^\r\n]*)[\r\n]+/g,d=/#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("|")),p=/\.(mp4|m4s|m4v|m4a)$/i,v=function(){function e(){}return e.findGroup=function(e,t){for(var r=0;r<e.length;r++){var i=e[r];if(i.id===t)return i}},e.convertAVC1ToAVCOTI=function(e){var t=e.split(".");if(t.length>2){var r=t.shift()+".";return r+=parseInt(t.shift()).toString(16),r+=("000"+parseInt(t.shift()).toString(16)).substr(-4)}return e},e.resolve=function(e,t){return s.buildAbsoluteURL(t,e,{alwaysNormalize:!0})},e.parseMasterPlaylist=function(t,r){var i,s=[],n={},a=!1;for(c.lastIndex=0;null!=(i=c.exec(t));)if(i[1]){var o=new l.AttrList(i[1]),h={attrs:o,bitrate:o.decimalInteger("AVERAGE-BANDWIDTH")||o.decimalInteger("BANDWIDTH"),name:o.NAME,url:e.resolve(i[2],r)},u=o.decimalResolution("RESOLUTION");u&&(h.width=u.width,h.height=u.height),m((o.CODECS||"").split(/[ ,]+/).filter((function(e){return e})),h),h.videoCodec&&-1!==h.videoCodec.indexOf("avc1")&&(h.videoCodec=e.convertAVC1ToAVCOTI(h.videoCodec)),s.push(h)}else if(i[3]){var d=new l.AttrList(i[3]);d["DATA-ID"]&&(a=!0,n[d["DATA-ID"]]=d)}return{levels:s,sessionData:a?n:null}},e.parseMasterPlaylistMedia=function(t,r,i,s){var n;void 0===s&&(s=[]);var a=[],o=0;for(d.lastIndex=0;null!==(n=d.exec(t));){var h=new l.AttrList(n[1]);if(h.TYPE===i){var u={attrs:h,bitrate:0,id:o++,groupId:h["GROUP-ID"],instreamId:h["INSTREAM-ID"],name:h.NAME||h.LANGUAGE||"",type:i,default:h.bool("DEFAULT"),autoselect:h.bool("AUTOSELECT"),forced:h.bool("FORCED"),lang:h.LANGUAGE,url:h.URI?e.resolve(h.URI,r):""};if(s.length){var c=e.findGroup(s,u.groupId)||s[0];y(u,c,"audioCodec"),y(u,c,"textCodec")}a.push(u)}}return a},e.parseLevelPlaylist=function(e,t,r,u,c){var d,v,m,y=new a.LevelDetails(t),S=y.fragments,T=null,b=0,_=0,L=0,A=0,D=null,w=new n.Fragment(u,t),I=-1,P=!1;for(f.lastIndex=0,y.m3u8=e;null!==(d=f.exec(e));){P&&(P=!1,(w=new n.Fragment(u,t)).start=L,w.sn=b,w.cc=A,w.level=r,T&&(w.initSegment=T,w.rawProgramDateTime=T.rawProgramDateTime));var R=d[1];if(R){w.duration=parseFloat(R);var C=(" "+d[2]).slice(1);w.title=C||null,w.tagList.push(C?["INF",R,C]:["INF",R])}else if(d[3])Object(i.isFiniteNumber)(w.duration)&&(w.start=L,m&&(w.levelkey=m),w.sn=b,w.level=r,w.cc=A,w.urlId=c,S.push(w),w.relurl=(" "+d[3]).slice(1),E(w,D),D=w,L+=w.duration,b++,_=0,P=!0);else if(d[4]){var k=(" "+d[4]).slice(1);D?w.setByteRange(k,D):w.setByteRange(k)}else if(d[5])w.rawProgramDateTime=(" "+d[5]).slice(1),w.tagList.push(["PROGRAM-DATE-TIME",w.rawProgramDateTime]),-1===I&&(I=S.length);else{if(!(d=d[0].match(g))){h.logger.warn("No matches on slow regex match for level playlist!");continue}for(v=1;v<d.length&&void 0===d[v];v++);var O=(" "+d[v]).slice(1),M=(" "+d[v+1]).slice(1),x=d[v+2]?(" "+d[v+2]).slice(1):"";switch(O){case"PLAYLIST-TYPE":y.type=M.toUpperCase();break;case"MEDIA-SEQUENCE":b=y.startSN=parseInt(M);break;case"SKIP":var F=new l.AttrList(M),N=F.decimalInteger("SKIPPED-SEGMENTS");if(Object(i.isFiniteNumber)(N)){y.skippedSegments=N;for(var B=N;B--;)S.unshift(null);b+=N}var U=F.enumeratedString("RECENTLY-REMOVED-DATERANGES");U&&(y.recentlyRemovedDateranges=U.split("\t"));break;case"TARGETDURATION":y.targetduration=parseFloat(M);break;case"VERSION":y.version=parseInt(M);break;case"EXTM3U":break;case"ENDLIST":y.live=!1;break;case"#":(M||x)&&w.tagList.push(x?[M,x]:[M]);break;case"DIS":A++;case"GAP":w.tagList.push([O]);break;case"BITRATE":w.tagList.push([O,M]);break;case"DISCONTINUITY-SEQ":A=parseInt(M);break;case"KEY":var G,j=new l.AttrList(M),H=j.enumeratedString("METHOD"),$=j.URI,W=j.hexadecimalInteger("IV"),K=j.enumeratedString("KEYFORMATVERSIONS"),q=j.enumeratedString("KEYID"),V=null!=(G=j.enumeratedString("KEYFORMAT"))?G:"identity";if(["com.apple.streamingkeydelivery","com.microsoft.playready","urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed","com.widevine"].indexOf(V)>-1){h.logger.warn("Keyformat "+V+" is not supported from the manifest");continue}if("identity"!==V)continue;H&&(m=o.LevelKey.fromURL(t,$),$&&["AES-128","SAMPLE-AES","SAMPLE-AES-CENC"].indexOf(H)>=0&&(m.method=H,m.keyFormat=V,q&&(m.keyID=q),K&&(m.keyFormatVersions=K),m.iv=W));break;case"START":var z=new l.AttrList(M).decimalFloatingPoint("TIME-OFFSET");Object(i.isFiniteNumber)(z)&&(y.startTimeOffset=z);break;case"MAP":var Y=new l.AttrList(M);w.relurl=Y.URI,Y.BYTERANGE&&w.setByteRange(Y.BYTERANGE),w.level=r,w.sn="initSegment",m&&(w.levelkey=m),w.initSegment=null,T=w,P=!0;break;case"SERVER-CONTROL":var X=new l.AttrList(M);y.canBlockReload=X.bool("CAN-BLOCK-RELOAD"),y.canSkipUntil=X.optionalFloat("CAN-SKIP-UNTIL",0),y.canSkipDateRanges=y.canSkipUntil>0&&X.bool("CAN-SKIP-DATERANGES"),y.partHoldBack=X.optionalFloat("PART-HOLD-BACK",0),y.holdBack=X.optionalFloat("HOLD-BACK",0);break;case"PART-INF":var Q=new l.AttrList(M);y.partTarget=Q.decimalFloatingPoint("PART-TARGET");break;case"PART":var J=y.partList;J||(J=y.partList=[]);var Z=_>0?J[J.length-1]:void 0,ee=_++,te=new n.Part(new l.AttrList(M),w,t,ee,Z);J.push(te),w.duration+=te.duration;break;case"PRELOAD-HINT":var re=new l.AttrList(M);y.preloadHint=re;break;case"RENDITION-REPORT":var ie=new l.AttrList(M);y.renditionReports=y.renditionReports||[],y.renditionReports.push(ie);break;default:h.logger.warn("line parsed but not handled: "+d)}}}D&&!D.relurl?(S.pop(),L-=D.duration,y.partList&&(y.fragmentHint=D)):y.partList&&(E(w,D),w.cc=A,y.fragmentHint=w);var se=S.length,ne=S[0],ae=S[se-1];if((L+=y.skippedSegments*y.targetduration)>0&&se&&ae){y.averagetargetduration=L/se;var oe=ae.sn;y.endSN="initSegment"!==oe?oe:0,ne&&(y.startCC=ne.cc,ne.initSegment||y.fragments.every((function(e){return e.relurl&&(t=e.relurl,p.test(null!=(r=null===(i=s.parseURL(t))||void 0===i?void 0:i.path)?r:""));var t,r,i}))&&(h.logger.warn("MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX"),(w=new n.Fragment(u,t)).relurl=ae.relurl,w.level=r,w.sn="initSegment",ne.initSegment=w,y.needSidxRanges=!0))}else y.endSN=0,y.startCC=0;return y.fragmentHint&&(L+=y.fragmentHint.duration),y.totalduration=L,y.endCC=A,I>0&&function(e,t){for(var r=e[t],i=t;i--;){var s=e[i];if(!s)return;s.programDateTime=r.programDateTime-1e3*s.duration,r=s}}(S,I),y},e}();function m(e,t){["video","audio","text"].forEach((function(r){var i=e.filter((function(e){return Object(u.isCodecType)(e,r)}));if(i.length){var s=i.filter((function(e){return 0===e.lastIndexOf("avc1",0)||0===e.lastIndexOf("mp4a",0)}));t[r+"Codec"]=s.length>0?s[0]:i[0],e=e.filter((function(e){return-1===i.indexOf(e)}))}})),t.unknownCodecs=e}function y(e,t,r){var i=t[r];i&&(e[r]=i)}function E(e,t){e.rawProgramDateTime?e.programDateTime=Date.parse(e.rawProgramDateTime):null!=t&&t.programDateTime&&(e.programDateTime=t.endProgramDateTime),Object(i.isFiniteNumber)(e.programDateTime)||(e.programDateTime=null,e.rawProgramDateTime=null)}},"./src/loader/playlist-loader.ts":function(e,t,r){"use strict";r.r(t);var i=r("./src/polyfills/number.ts"),s=r("./src/events.ts"),n=r("./src/errors.ts"),a=r("./src/utils/logger.ts"),o=r("./src/utils/mp4-tools.ts"),l=r("./src/loader/m3u8-parser.ts"),h=r("./src/types/loader.ts"),u=r("./src/utils/attr-list.ts");function c(e,t){var r=e.url;return void 0!==r&&0!==r.indexOf("data:")||(r=t.url),r}var d=function(){function e(e){this.hls=void 0,this.loaders=Object.create(null),this.hls=e,this.registerListeners()}var t=e.prototype;return t.registerListeners=function(){var e=this.hls;e.on(s.Events.MANIFEST_LOADING,this.onManifestLoading,this),e.on(s.Events.LEVEL_LOADING,this.onLevelLoading,this),e.on(s.Events.AUDIO_TRACK_LOADING,this.onAudioTrackLoading,this),e.on(s.Events.SUBTITLE_TRACK_LOADING,this.onSubtitleTrackLoading,this)},t.unregisterListeners=function(){var e=this.hls;e.off(s.Events.MANIFEST_LOADING,this.onManifestLoading,this),e.off(s.Events.LEVEL_LOADING,this.onLevelLoading,this),e.off(s.Events.AUDIO_TRACK_LOADING,this.onAudioTrackLoading,this),e.off(s.Events.SUBTITLE_TRACK_LOADING,this.onSubtitleTrackLoading,this)},t.createInternalLoader=function(e){var t=this.hls.config,r=t.pLoader,i=t.loader,s=new(r||i)(t);return e.loader=s,this.loaders[e.type]=s,s},t.getInternalLoader=function(e){return this.loaders[e.type]},t.resetInternalLoader=function(e){this.loaders[e]&&delete this.loaders[e]},t.destroyInternalLoaders=function(){for(var e in this.loaders){var t=this.loaders[e];t&&t.destroy(),this.resetInternalLoader(e)}},t.destroy=function(){this.unregisterListeners(),this.destroyInternalLoaders()},t.onManifestLoading=function(e,t){var r=t.url;this.load({id:null,groupId:null,level:0,responseType:"text",type:h.PlaylistContextType.MANIFEST,url:r,deliveryDirectives:null})},t.onLevelLoading=function(e,t){var r=t.id,i=t.level,s=t.url,n=t.deliveryDirectives;this.load({id:r,groupId:null,level:i,responseType:"text",type:h.PlaylistContextType.LEVEL,url:s,deliveryDirectives:n})},t.onAudioTrackLoading=function(e,t){var r=t.id,i=t.groupId,s=t.url,n=t.deliveryDirectives;this.load({id:r,groupId:i,level:null,responseType:"text",type:h.PlaylistContextType.AUDIO_TRACK,url:s,deliveryDirectives:n})},t.onSubtitleTrackLoading=function(e,t){var r=t.id,i=t.groupId,s=t.url,n=t.deliveryDirectives;this.load({id:r,groupId:i,level:null,responseType:"text",type:h.PlaylistContextType.SUBTITLE_TRACK,url:s,deliveryDirectives:n})},t.load=function(e){var t,r,i,s,n,o,l=this.hls.config,u=this.getInternalLoader(e);if(u){var c=u.context;if(c&&c.url===e.url)return void a.logger.trace("[playlist-loader]: playlist request ongoing");a.logger.log("[playlist-loader]: aborting previous loader for type: "+e.type),u.abort()}switch(e.type){case h.PlaylistContextType.MANIFEST:r=l.manifestLoadingMaxRetry,i=l.manifestLoadingTimeOut,s=l.manifestLoadingRetryDelay,n=l.manifestLoadingMaxRetryTimeout;break;case h.PlaylistContextType.LEVEL:case h.PlaylistContextType.AUDIO_TRACK:case h.PlaylistContextType.SUBTITLE_TRACK:r=0,i=l.levelLoadingTimeOut;break;default:r=l.levelLoadingMaxRetry,i=l.levelLoadingTimeOut,s=l.levelLoadingRetryDelay,n=l.levelLoadingMaxRetryTimeout}if(u=this.createInternalLoader(e),null!==(t=e.deliveryDirectives)&&void 0!==t&&t.part&&(e.type===h.PlaylistContextType.LEVEL&&null!==e.level?o=this.hls.levels[e.level].details:e.type===h.PlaylistContextType.AUDIO_TRACK&&null!==e.id?o=this.hls.audioTracks[e.id].details:e.type===h.PlaylistContextType.SUBTITLE_TRACK&&null!==e.id&&(o=this.hls.subtitleTracks[e.id].details),o)){var d=o.partTarget,f=o.targetduration;d&&f&&(i=Math.min(1e3*Math.max(3*d,.8*f),i))}var g={timeout:i,maxRetry:r,retryDelay:s,maxRetryDelay:n,highWaterMark:0},p={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};u.load(e,g,p)},t.loadsuccess=function(e,t,r,i){if(void 0===i&&(i=null),r.isSidxRequest)return this.handleSidxRequest(e,r),void this.handlePlaylistLoaded(e,t,r,i);this.resetInternalLoader(r.type);var s=e.data;0===s.indexOf("#EXTM3U")?(t.parsing.start=performance.now(),s.indexOf("#EXTINF:")>0||s.indexOf("#EXT-X-TARGETDURATION:")>0?this.handleTrackOrLevelPlaylist(e,t,r,i):this.handleMasterPlaylist(e,t,r,i)):this.handleManifestParsingError(e,r,"no EXTM3U delimiter",i)},t.loaderror=function(e,t,r){void 0===r&&(r=null),this.handleNetworkError(t,r,!1,e)},t.loadtimeout=function(e,t,r){void 0===r&&(r=null),this.handleNetworkError(t,r,!0)},t.handleMasterPlaylist=function(e,t,r,i){var n=this.hls,o=e.data,h=c(e,r),d=l.default.parseMasterPlaylist(o,h),f=d.levels,g=d.sessionData;if(f.length){var p=f.map((function(e){return{id:e.attrs.AUDIO,audioCodec:e.audioCodec}})),v=f.map((function(e){return{id:e.attrs.SUBTITLES,textCodec:e.textCodec}})),m=l.default.parseMasterPlaylistMedia(o,h,"AUDIO",p),y=l.default.parseMasterPlaylistMedia(o,h,"SUBTITLES",v),E=l.default.parseMasterPlaylistMedia(o,h,"CLOSED-CAPTIONS");m.length&&(m.some((function(e){return!e.url}))||!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 u.AttrList({}),bitrate:0,url:""}))),n.trigger(s.Events.MANIFEST_LOADED,{levels:f,audioTracks:m,subtitles:y,captions:E,url:h,stats:t,networkDetails:i,sessionData:g})}else this.handleManifestParsingError(e,r,"no level found in manifest",i)},t.handleTrackOrLevelPlaylist=function(e,t,r,a){var o=this.hls,d=r.id,f=r.level,g=r.type,p=c(e,r),v=Object(i.isFiniteNumber)(d)?d:0,m=Object(i.isFiniteNumber)(f)?f:v,y=function(e){switch(e.type){case h.PlaylistContextType.AUDIO_TRACK:return h.PlaylistLevelType.AUDIO;case h.PlaylistContextType.SUBTITLE_TRACK:return h.PlaylistLevelType.SUBTITLE;default:return h.PlaylistLevelType.MAIN}}(r),E=l.default.parseLevelPlaylist(e.data,p,m,y,v);if(E.fragments.length){if(g===h.PlaylistContextType.MANIFEST){var S={attrs:new u.AttrList({}),bitrate:0,details:E,name:"",url:p};o.trigger(s.Events.MANIFEST_LOADED,{levels:[S],audioTracks:[],url:p,stats:t,networkDetails:a,sessionData:null})}if(t.parsing.end=performance.now(),E.needSidxRanges){var T,b=null===(T=E.fragments[0].initSegment)||void 0===T?void 0:T.url;this.load({url:b,isSidxRequest:!0,type:g,level:f,levelDetails:E,id:d,groupId:null,rangeStart:0,rangeEnd:2048,responseType:"arraybuffer",deliveryDirectives:null})}else r.levelDetails=E,this.handlePlaylistLoaded(e,t,r,a)}else o.trigger(s.Events.ERROR,{type:n.ErrorTypes.NETWORK_ERROR,details:n.ErrorDetails.LEVEL_EMPTY_ERROR,fatal:!1,url:p,reason:"no fragments found in level",level:"number"==typeof r.level?r.level:void 0})},t.handleSidxRequest=function(e,t){var r=Object(o.parseSegmentIndex)(new Uint8Array(e.data));if(r){var i=r.references,s=t.levelDetails;i.forEach((function(e,t){var i=e.info,n=s.fragments[t];0===n.byteRange.length&&n.setByteRange(String(1+i.end-i.start)+"@"+String(i.start)),n.initSegment&&n.initSegment.setByteRange(String(r.moovEndOffset)+"@0")}))}},t.handleManifestParsingError=function(e,t,r,i){this.hls.trigger(s.Events.ERROR,{type:n.ErrorTypes.NETWORK_ERROR,details:n.ErrorDetails.MANIFEST_PARSING_ERROR,fatal:t.type===h.PlaylistContextType.MANIFEST,url:e.url,reason:r,response:e,context:t,networkDetails:i})},t.handleNetworkError=function(e,t,r,i){void 0===r&&(r=!1),a.logger.warn("[playlist-loader]: A network "+(r?"timeout":"error")+" occurred while loading "+e.type+" level: "+e.level+" id: "+e.id+' group-id: "'+e.groupId+'"');var o=n.ErrorDetails.UNKNOWN,l=!1,u=this.getInternalLoader(e);switch(e.type){case h.PlaylistContextType.MANIFEST:o=r?n.ErrorDetails.MANIFEST_LOAD_TIMEOUT:n.ErrorDetails.MANIFEST_LOAD_ERROR,l=!0;break;case h.PlaylistContextType.LEVEL:o=r?n.ErrorDetails.LEVEL_LOAD_TIMEOUT:n.ErrorDetails.LEVEL_LOAD_ERROR,l=!1;break;case h.PlaylistContextType.AUDIO_TRACK:o=r?n.ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT:n.ErrorDetails.AUDIO_TRACK_LOAD_ERROR,l=!1;break;case h.PlaylistContextType.SUBTITLE_TRACK:o=r?n.ErrorDetails.SUBTITLE_TRACK_LOAD_TIMEOUT:n.ErrorDetails.SUBTITLE_LOAD_ERROR,l=!1}u&&this.resetInternalLoader(e.type);var c={type:n.ErrorTypes.NETWORK_ERROR,details:o,fatal:l,url:e.url,loader:u,context:e,networkDetails:t};i&&(c.response=i),this.hls.trigger(s.Events.ERROR,c)},t.handlePlaylistLoaded=function(e,t,r,i){var n=r.type,a=r.level,o=r.id,l=r.groupId,u=r.loader,c=r.levelDetails,d=r.deliveryDirectives;if(null!=c&&c.targetduration){if(u)switch(c.live&&(u.getCacheAge&&(c.ageHeader=u.getCacheAge()||0),u.getCacheAge&&!isNaN(c.ageHeader)||(c.ageHeader=0)),n){case h.PlaylistContextType.MANIFEST:case h.PlaylistContextType.LEVEL:this.hls.trigger(s.Events.LEVEL_LOADED,{details:c,level:a||0,id:o||0,stats:t,networkDetails:i,deliveryDirectives:d});break;case h.PlaylistContextType.AUDIO_TRACK:this.hls.trigger(s.Events.AUDIO_TRACK_LOADED,{details:c,id:o||0,groupId:l||"",stats:t,networkDetails:i,deliveryDirectives:d});break;case h.PlaylistContextType.SUBTITLE_TRACK:this.hls.trigger(s.Events.SUBTITLE_TRACK_LOADED,{details:c,id:o||0,groupId:l||"",stats:t,networkDetails:i,deliveryDirectives:d})}}else this.handleManifestParsingError(e,r,"invalid target duration",i)},e}();t.default=d},"./src/polyfills/number.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"isFiniteNumber",(function(){return i})),r.d(t,"MAX_SAFE_INTEGER",(function(){return s}));var i=Number.isFinite||function(e){return"number"==typeof e&&isFinite(e)},s=Number.MAX_SAFE_INTEGER||9007199254740991},"./src/remux/aac-helper.ts":function(e,t,r){"use strict";r.r(t);var i=function(){function e(){}return e.getSilentFrame=function(e,t){if("mp4a.40.2"===e){if(1===t)return new Uint8Array([0,200,0,128,35,128]);if(2===t)return new Uint8Array([33,0,73,144,2,25,0,35,128]);if(3===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,142]);if(4===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,128,44,128,8,2,56]);if(5===t)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===t)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])}else{if(1===t)return new 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e.box(e.types.mdia,e.mdhd(t.timescale,t.duration),e.hdlr(t.type),e.minf(t))},e.mfhd=function(t){return e.box(e.types.mfhd,new Uint8Array([0,0,0,0,t>>24,t>>16&255,t>>8&255,255&t]))},e.minf=function(t){return"audio"===t.type?e.box(e.types.minf,e.box(e.types.smhd,e.SMHD),e.DINF,e.stbl(t)):e.box(e.types.minf,e.box(e.types.vmhd,e.VMHD),e.DINF,e.stbl(t))},e.moof=function(t,r,i){return e.box(e.types.moof,e.mfhd(t),e.traf(i,r))},e.moov=function(t){for(var r=t.length,i=[];r--;)i[r]=e.trak(t[r]);return e.box.apply(null,[e.types.moov,e.mvhd(t[0].timescale,t[0].duration)].concat(i).concat(e.mvex(t)))},e.mvex=function(t){for(var r=t.length,i=[];r--;)i[r]=e.trex(t[r]);return e.box.apply(null,[e.types.mvex].concat(i))},e.mvhd=function(t,r){r*=t;var s=Math.floor(r/(i+1)),n=Math.floor(r%(i+1)),a=new 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r,i,s,n=[],a=[];for(r=0;r<t.sps.length;r++)s=(i=t.sps[r]).byteLength,n.push(s>>>8&255),n.push(255&s),n=n.concat(Array.prototype.slice.call(i));for(r=0;r<t.pps.length;r++)s=(i=t.pps[r]).byteLength,a.push(s>>>8&255),a.push(255&s),a=a.concat(Array.prototype.slice.call(i));var o=e.box(e.types.avcC,new Uint8Array([1,n[3],n[4],n[5],255,224|t.sps.length].concat(n).concat([t.pps.length]).concat(a))),l=t.width,h=t.height,u=t.pixelRatio[0],c=t.pixelRatio[1];return e.box(e.types.avc1,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,l>>8&255,255&l,h>>8&255,255&h,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,e.box(e.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])),e.box(e.types.pasp,new Uint8Array([u>>24,u>>16&255,u>>8&255,255&u,c>>24,c>>16&255,c>>8&255,255&c])))},e.esds=function(e){var t=e.config.length;return new Uint8Array([0,0,0,0,3,23+t,0,1,0,4,15+t,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([t]).concat(e.config).concat([6,1,2]))},e.mp4a=function(t){var r=t.samplerate;return e.box(e.types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]),e.box(e.types.esds,e.esds(t)))},e.mp3=function(t){var r=t.samplerate;return e.box(e.types[".mp3"],new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]))},e.stsd=function(t){return"audio"===t.type?t.isAAC||"mp3"!==t.codec?e.box(e.types.stsd,e.STSD,e.mp4a(t)):e.box(e.types.stsd,e.STSD,e.mp3(t)):e.box(e.types.stsd,e.STSD,e.avc1(t))},e.tkhd=function(t){var r=t.id,s=t.duration*t.timescale,n=t.width,a=t.height,o=Math.floor(s/(i+1)),l=Math.floor(s%(i+1));return e.box(e.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,n>>8&255,255&n,0,0,a>>8&255,255&a,0,0]))},e.traf=function(t,r){var s=e.sdtp(t),n=t.id,a=Math.floor(r/(i+1)),o=Math.floor(r%(i+1));return e.box(e.types.traf,e.box(e.types.tfhd,new Uint8Array([0,0,0,0,n>>24,n>>16&255,n>>8&255,255&n])),e.box(e.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])),e.trun(t,s.length+16+20+8+16+8+8),s)},e.trak=function(t){return t.duration=t.duration||4294967295,e.box(e.types.trak,e.tkhd(t),e.mdia(t))},e.trex=function(t){var r=t.id;return e.box(e.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]))},e.trun=function(t,r){var i,s,n,a,o,l,h=t.samples||[],u=h.length,c=12+16*u,d=new Uint8Array(c);for(r+=8+c,d.set([0,0,15,1,u>>>24&255,u>>>16&255,u>>>8&255,255&u,r>>>24&255,r>>>16&255,r>>>8&255,255&r],0),i=0;i<u;i++)n=(s=h[i]).duration,a=s.size,o=s.flags,l=s.cts,d.set([n>>>24&255,n>>>16&255,n>>>8&255,255&n,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 e.box(e.types.trun,d)},e.initSegment=function(t){e.types||e.init();var r=e.moov(t),i=new Uint8Array(e.FTYP.byteLength+r.byteLength);return i.set(e.FTYP),i.set(r,e.FTYP.byteLength),i},e}();s.types=void 0,s.HDLR_TYPES=void 0,s.STTS=void 0,s.STSC=void 0,s.STCO=void 0,s.STSZ=void 0,s.VMHD=void 0,s.SMHD=void 0,s.STSD=void 0,s.FTYP=void 0,s.DINF=void 0,t.default=s},"./src/remux/mp4-remuxer.ts":function(e,t,r){"use strict";r.r(t),r.d(t,"default",(function(){return p})),r.d(t,"normalizePts",(function(){return v}));var i=r("./src/polyfills/number.ts"),s=r("./src/remux/aac-helper.ts"),n=r("./src/remux/mp4-generator.ts"),a=r("./src/events.ts"),o=r("./src/errors.ts"),l=r("./src/utils/logger.ts"),h=r("./src/types/loader.ts"),u=r("./src/utils/timescale-conversion.ts");function c(){return c=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var i in r)Object.prototype.hasOwnProperty.call(r,i)&&(e[i]=r[i])}return e},c.apply(this,arguments)}var d=null,f=null,g=!1,p=function(){function e(e,t,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=e,this.config=t,this.typeSupported=r,this.ISGenerated=!1,null===d){var s=(navigator.userAgent||"").match(/Chrome\/(\d+)/i);d=s?parseInt(s[1]):0}if(null===f){var n=navigator.userAgent.match(/Safari\/(\d+)/i);f=n?parseInt(n[1]):0}g=!!d&&d<75||!!f&&f<600}var t=e.prototype;return t.destroy=function(){},t.resetTimeStamp=function(e){l.logger.log("[mp4-remuxer]: initPTS & initDTS reset"),this._initPTS=this._initDTS=e},t.resetNextTimestamp=function(){l.logger.log("[mp4-remuxer]: reset next timestamp"),this.isVideoContiguous=!1,this.isAudioContiguous=!1},t.resetInitSegment=function(){l.logger.log("[mp4-remuxer]: ISGenerated flag reset"),this.ISGenerated=!1},t.getVideoStartPts=function(e){var t=!1,r=e.reduce((function(e,r){var i=r.pts-e;return i<-4294967296?(t=!0,v(e,r.pts)):i>0?e:r.pts}),e[0].pts);return t&&l.logger.debug("PTS rollover detected"),r},t.remux=function(e,t,r,i,s,n,a,o){var u,c,d,f,g,p,m=s,y=s,E=e.pid>-1,S=t.pid>-1,T=t.samples.length,b=e.samples.length>0,_=T>1;if((!E||b)&&(!S||_)||this.ISGenerated||a){this.ISGenerated||(d=this.generateIS(e,t,s));var L=this.isVideoContiguous,A=-1;if(_&&(A=function(e){for(var t=0;t<e.length;t++)if(e[t].key)return t;return-1}(t.samples),!L&&this.config.forceKeyFrameOnDiscontinuity))if(p=!0,A>0){l.logger.warn("[mp4-remuxer]: Dropped "+A+" out of "+T+" video samples due to a missing keyframe");var D=this.getVideoStartPts(t.samples);t.samples=t.samples.slice(A),t.dropped+=A,y+=(t.samples[0].pts-D)/(t.timescale||9e4)}else-1===A&&(l.logger.warn("[mp4-remuxer]: No keyframe found out of "+T+" video samples"),p=!1);if(this.ISGenerated){if(b&&_){var w=this.getVideoStartPts(t.samples),I=(v(e.samples[0].pts,w)-w)/t.inputTimeScale;m+=Math.max(0,I),y+=Math.max(0,-I)}if(b){if(e.samplerate||(l.logger.warn("[mp4-remuxer]: regenerate InitSegment as audio detected"),d=this.generateIS(e,t,s)),c=this.remuxAudio(e,m,this.isAudioContiguous,n,S||_||o===h.PlaylistLevelType.AUDIO?y:void 0),_){var P=c?c.endPTS-c.startPTS:0;t.inputTimeScale||(l.logger.warn("[mp4-remuxer]: regenerate InitSegment as video detected"),d=this.generateIS(e,t,s)),u=this.remuxVideo(t,y,L,P)}}else _&&(u=this.remuxVideo(t,y,L,0));u&&(u.firstKeyFrame=A,u.independent=-1!==A)}}return this.ISGenerated&&(r.samples.length&&(g=this.remuxID3(r,s)),i.samples.length&&(f=this.remuxText(i,s))),{audio:c,video:u,initSegment:d,independent:p,text:f,id3:g}},t.generateIS=function(e,t,r){var s,a,o,l=e.samples,h=t.samples,u=this.typeSupported,c={},d=!Object(i.isFiniteNumber)(this._initPTS),f="audio/mp4";if(d&&(s=a=1/0),e.config&&l.length&&(e.timescale=e.samplerate,e.isAAC||(u.mpeg?(f="audio/mpeg",e.codec=""):u.mp3&&(e.codec="mp3")),c.audio={id:"audio",container:f,codec:e.codec,initSegment:!e.isAAC&&u.mpeg?new Uint8Array(0):n.default.initSegment([e]),metadata:{channelCount:e.channelCount}},d&&(o=e.inputTimeScale,s=a=l[0].pts-Math.round(o*r))),t.sps&&t.pps&&h.length&&(t.timescale=t.inputTimeScale,c.video={id:"main",container:"video/mp4",codec:t.codec,initSegment:n.default.initSegment([t]),metadata:{width:t.width,height:t.height}},d)){o=t.inputTimeScale;var g=this.getVideoStartPts(h),p=Math.round(o*r);a=Math.min(a,v(h[0].dts,g)-p),s=Math.min(s,g-p)}if(Object.keys(c).length)return this.ISGenerated=!0,d&&(this._initPTS=s,this._initDTS=a),{tracks:c,initPTS:s,timescale:o}},t.remuxVideo=function(e,t,r,i){var s,h,f,p=e.inputTimeScale,y=e.samples,E=[],S=y.length,T=this._initPTS,b=this.nextAvcDts,_=8,L=Number.POSITIVE_INFINITY,A=Number.NEGATIVE_INFINITY,D=0,w=!1;r&&null!==b||(b=t*p-(y[0].pts-v(y[0].dts,y[0].pts)));for(var I=0;I<S;I++){var P=y[I];P.pts=v(P.pts-T,b),P.dts=v(P.dts-T,b),P.dts>P.pts&&(D=Math.max(Math.min(D,P.pts-P.dts),-18e3)),P.dts<y[I>0?I-1:I].dts&&(w=!0)}w&&y.sort((function(e,t){var r=e.dts-t.dts,i=e.pts-t.pts;return r||i})),h=y[0].dts,f=y[y.length-1].dts;var R=Math.round((f-h)/(S-1));if(D<0){if(D<-2*R){l.logger.warn("PTS < DTS detected in video samples, offsetting DTS from PTS by "+Object(u.toMsFromMpegTsClock)(-R,!0)+" ms");for(var C=D,k=0;k<S;k++)y[k].dts=C=Math.max(C,y[k].pts-R),y[k].pts=Math.max(C,y[k].pts)}else{l.logger.warn("PTS < DTS detected in video samples, shifting DTS by "+Object(u.toMsFromMpegTsClock)(D,!0)+" ms to overcome this issue");for(var O=0;O<S;O++)y[O].dts=y[O].dts+D}h=y[0].dts}if(r){var M=h-b,x=M>R;if(x||M<-1){x?l.logger.warn("AVC: "+Object(u.toMsFromMpegTsClock)(M,!0)+" ms ("+M+"dts) hole between fragments detected, filling it"):l.logger.warn("AVC: "+Object(u.toMsFromMpegTsClock)(-M,!0)+" ms ("+M+"dts) overlapping between fragments detected"),h=b;var F=y[0].pts-M;y[0].dts=h,y[0].pts=F,l.logger.log("Video: First PTS/DTS adjusted: "+Object(u.toMsFromMpegTsClock)(F,!0)+"/"+Object(u.toMsFromMpegTsClock)(h,!0)+", delta: "+Object(u.toMsFromMpegTsClock)(M,!0)+" ms")}}g&&(h=Math.max(0,h));for(var N=0,B=0,U=0;U<S;U++){for(var G=y[U],j=G.units,H=j.length,$=0,W=0;W<H;W++)$+=j[W].data.length;B+=$,N+=H,G.length=$,G.dts=Math.max(G.dts,h),G.pts=Math.max(G.pts,G.dts,0),L=Math.min(G.pts,L),A=Math.max(G.pts,A)}f=y[S-1].dts;var K,q=B+4*N+8;try{K=new Uint8Array(q)}catch(e){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 V=new DataView(K.buffer);V.setUint32(0,q),K.set(n.default.types.mdat,4);for(var z=0;z<S;z++){for(var Y=y[z],X=Y.units,Q=0,J=0,Z=X.length;J<Z;J++){var ee=X[J],te=ee.data,re=ee.data.byteLength;V.setUint32(_,re),_+=4,K.set(te,_),_+=re,Q+=4+re}if(z<S-1)s=y[z+1].dts-Y.dts;else{var ie=this.config,se=Y.dts-y[z>0?z-1:z].dts;if(ie.stretchShortVideoTrack&&null!==this.nextAudioPts){var ne=Math.floor(ie.maxBufferHole*p),ae=(i?L+i*p:this.nextAudioPts)-Y.pts;ae>ne?((s=ae-se)<0&&(s=se),l.logger.log("[mp4-remuxer]: It is approximately "+ae/90+" ms to the next segment; using 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u=e.inputTimeScale,d=u/(e.samplerate?e.samplerate:u),f=e.isAAC?1024:1152,g=f*d,p=this._initPTS,y=!e.isAAC&&this.typeSupported.mpeg,E=[],S=e.samples,T=y?0:8,b=this.nextAudioPts||-1,_=t*u;if(this.isAudioContiguous=r=r||S.length&&b>0&&(i&&Math.abs(_-b)<9e3||Math.abs(v(S[0].pts-p,_)-b)<20*g),S.forEach((function(e){e.pts=v(e.pts-p,_)})),!r||b<0){if(S=S.filter((function(e){return e.pts>=0})),!S.length)return;b=0===h?0:i?Math.max(0,_):S[0].pts}if(e.isAAC)for(var L=void 0!==h,A=this.config.maxAudioFramesDrift,D=0,w=b;D<S.length;D++){var I=S[D],P=I.pts,R=P-w,C=Math.abs(1e3*R/u);if(R<=-A*g&&L)0===D&&(l.logger.warn("Audio frame @ "+(P/u).toFixed(3)+"s overlaps nextAudioPts by "+Math.round(1e3*R/u)+" ms."),this.nextAudioPts=b=w=P);else if(R>=A*g&&C<1e4&&L){var k=Math.round(R/g);(w=P-k*g)<0&&(k--,w+=g),0===D&&(this.nextAudioPts=b=w),l.logger.warn("[mp4-remuxer]: Injecting "+k+" audio frame @ "+(w/u).toFixed(3)+"s due to "+Math.round(1e3*R/u)+" ms gap.");for(var O=0;O<k;O++){var M=Math.max(w,0),x=s.default.getSilentFrame(e.manifestCodec||e.codec,e.channelCount);x||(l.logger.log("[mp4-remuxer]: Unable to get silent frame for given audio codec; duplicating last frame instead."),x=I.unit.subarray()),S.splice(D,0,{unit:x,pts:M}),w+=g,D++}}I.pts=w,w+=g}for(var F,N=null,B=null,U=0,G=S.length;G--;)U+=S[G].unit.byteLength;for(var j=0,H=S.length;j<H;j++){var $=S[j],W=$.unit,K=$.pts;if(null!==B)E[j-1].duration=Math.round((K-B)/d);else{if(r&&e.isAAC&&(K=b),N=K,!(U>0))return;U+=T;try{F=new Uint8Array(U)}catch(e){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:U,reason:"fail allocating audio mdat "+U})}y||(new DataView(F.buffer).setUint32(0,U),F.set(n.default.types.mdat,4))}F.set(W,T);var q=W.byteLength;T+=q,E.push(new m(!0,f,q,0)),B=K}var V=E.length;if(V){var z=E[E.length-1];this.nextAudioPts=b=B+d*z.duration;var Y=y?new 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o=e.samples[a];o.pts=v(o.pts-s,t*i)/i,o.dts=v(o.dts-n,t*i)/i}var l=e.samples;return e.samples=[],{samples:l}}},t.remuxText=function(e,t){var r=e.samples.length;if(r){for(var i=e.inputTimeScale,s=this._initPTS,n=0;n<r;n++){var a=e.samples[n];a.pts=v(a.pts-s,t*i)/i}e.samples.sort((function(e,t){return e.pts-t.pts}));var o=e.samples;return e.samples=[],{samples:o}}},e}();function v(e,t){var r;if(null===t)return e;for(r=t<e?-8589934592:8589934592;Math.abs(e-t)>4294967296;)e+=r;return e}var m=function(e,t,r,i){this.size=void 0,this.duration=void 0,this.cts=void 0,this.flags=void 0,this.duration=t,this.size=r,this.cts=i,this.flags=new y(e)},y=function(e){this.isLeading=0,this.isDependedOn=0,this.hasRedundancy=0,this.degradPrio=0,this.dependsOn=1,this.isNonSync=1,this.dependsOn=e?2:1,this.isNonSync=e?0:1}},"./src/remux/passthrough-remuxer.ts":function(e,t,r){"use strict";r.r(t);var i=r("./src/polyfills/number.ts"),s=r("./src/utils/mp4-tools.ts"),n=r("./src/loader/fragment.ts"),a=r("./src/utils/logger.ts"),o=function(){function e(){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 t=e.prototype;return t.destroy=function(){},t.resetTimeStamp=function(e){this.initPTS=e,this.lastEndDTS=null},t.resetNextTimestamp=function(){this.lastEndDTS=null},t.resetInitSegment=function(e,t,r){this.audioCodec=t,this.videoCodec=r,this.generateInitSegment(e),this.emitInitSegment=!0},t.generateInitSegment=function(e){var t=this.audioCodec,r=this.videoCodec;if(!e||!e.byteLength)return this.initTracks=void 0,void(this.initData=void 0);var i=this.initData=Object(s.parseInitSegment)(e);t||(t=h(i.audio,n.ElementaryStreamTypes.AUDIO)),r||(r=h(i.video,n.ElementaryStreamTypes.VIDEO));var o={};i.audio&&i.video?o.audiovideo={container:"video/mp4",codec:t+","+r,initSegment:e,id:"main"}:i.audio?o.audio={container:"audio/mp4",codec:t,initSegment:e,id:"audio"}:i.video?o.video={container:"video/mp4",codec:r,initSegment:e,id:"main"}:a.logger.warn("[passthrough-remuxer.ts]: initSegment does not contain moov or trak boxes."),this.initTracks=o},t.remux=function(e,t,r,n,o){var h=this.initPTS,u=this.lastEndDTS,c={audio:void 0,video:void 0,text:n,id3:r,initSegment:void 0};Object(i.isFiniteNumber)(u)||(u=this.lastEndDTS=o||0);var d=t.samples;if(!d||!d.length)return c;var f={initPTS:void 0,timescale:1},g=this.initData;if(g&&g.length||(this.generateInitSegment(d),g=this.initData),!g||!g.length)return a.logger.warn("[passthrough-remuxer.ts]: Failed to generate initSegment."),c;this.emitInitSegment&&(f.tracks=this.initTracks,this.emitInitSegment=!1),Object(i.isFiniteNumber)(h)||(this.initPTS=f.initPTS=h=l(g,d,u));var 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i,s=r("./src/utils/logger.ts"),n={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(e){var t=e;return n.hasOwnProperty(e)&&(t=n[e]),String.fromCharCode(t)},o=15,l=100,h={17:1,18:3,21:5,22:7,23:9,16:11,19:12,20:14},u={17:2,18:4,21:6,22:8,23:10,19:13,20:15},c={25:1,26:3,29:5,30:7,31:9,24:11,27:12,28:14},d={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(e){e[e.ERROR=0]="ERROR",e[e.TEXT=1]="TEXT",e[e.WARNING=2]="WARNING",e[e.INFO=2]="INFO",e[e.DEBUG=3]="DEBUG",e[e.DATA=3]="DATA"}(i||(i={}));var g=function(){function e(){this.time=null,this.verboseLevel=i.ERROR}return e.prototype.log=function(e,t){this.verboseLevel>=e&&s.logger.log(this.time+" ["+e+"] "+t)},e}(),p=function(e){for(var t=[],r=0;r<e.length;r++)t.push(e[r].toString(16));return t},v=function(){function e(e,t,r,i,s){this.foreground=void 0,this.underline=void 0,this.italics=void 0,this.background=void 0,this.flash=void 0,this.foreground=e||"white",this.underline=t||!1,this.italics=r||!1,this.background=i||"black",this.flash=s||!1}var t=e.prototype;return t.reset=function(){this.foreground="white",this.underline=!1,this.italics=!1,this.background="black",this.flash=!1},t.setStyles=function(e){for(var t=["foreground","underline","italics","background","flash"],r=0;r<t.length;r++){var i=t[r];e.hasOwnProperty(i)&&(this[i]=e[i])}},t.isDefault=function(){return"white"===this.foreground&&!this.underline&&!this.italics&&"black"===this.background&&!this.flash},t.equals=function(e){return this.foreground===e.foreground&&this.underline===e.underline&&this.italics===e.italics&&this.background===e.background&&this.flash===e.flash},t.copy=function(e){this.foreground=e.foreground,this.underline=e.underline,this.italics=e.italics,this.background=e.background,this.flash=e.flash},t.toString=function(){return"color="+this.foreground+", underline="+this.underline+", italics="+this.italics+", background="+this.background+", flash="+this.flash},e}(),m=function(){function e(e,t,r,i,s,n){this.uchar=void 0,this.penState=void 0,this.uchar=e||" ",this.penState=new v(t,r,i,s,n)}var t=e.prototype;return t.reset=function(){this.uchar=" ",this.penState.reset()},t.setChar=function(e,t){this.uchar=e,this.penState.copy(t)},t.setPenState=function(e){this.penState.copy(e)},t.equals=function(e){return this.uchar===e.uchar&&this.penState.equals(e.penState)},t.copy=function(e){this.uchar=e.uchar,this.penState.copy(e.penState)},t.isEmpty=function(){return" "===this.uchar&&this.penState.isDefault()},e}(),y=function(){function e(e){this.chars=void 0,this.pos=void 0,this.currPenState=void 0,this.cueStartTime=void 0,this.logger=void 0,this.chars=[];for(var t=0;t<l;t++)this.chars.push(new m);this.logger=e,this.pos=0,this.currPenState=new v}var t=e.prototype;return t.equals=function(e){for(var t=!0,r=0;r<l;r++)if(!this.chars[r].equals(e.chars[r])){t=!1;break}return t},t.copy=function(e){for(var t=0;t<l;t++)this.chars[t].copy(e.chars[t])},t.isEmpty=function(){for(var e=!0,t=0;t<l;t++)if(!this.chars[t].isEmpty()){e=!1;break}return e},t.setCursor=function(e){this.pos!==e&&(this.pos=e),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)},t.moveCursor=function(e){var t=this.pos+e;if(e>1)for(var r=this.pos+1;r<t+1;r++)this.chars[r].setPenState(this.currPenState);this.setCursor(t)},t.backSpace=function(){this.moveCursor(-1),this.chars[this.pos].setChar(" ",this.currPenState)},t.insertChar=function(e){e>=144&&this.backSpace();var t=a(e);this.pos>=l?this.logger.log(i.ERROR,"Cannot insert "+e.toString(16)+" ("+t+") at position "+this.pos+". Skipping it!"):(this.chars[this.pos].setChar(t,this.currPenState),this.moveCursor(1))},t.clearFromPos=function(e){var t;for(t=e;t<l;t++)this.chars[t].reset()},t.clear=function(){this.clearFromPos(0),this.pos=0,this.currPenState.reset()},t.clearToEndOfRow=function(){this.clearFromPos(this.pos)},t.getTextString=function(){for(var e=[],t=!0,r=0;r<l;r++){var i=this.chars[r].uchar;" "!==i&&(t=!1),e.push(i)}return t?"":e.join("")},t.setPenStyles=function(e){this.currPenState.setStyles(e),this.chars[this.pos].setPenState(this.currPenState)},e}(),E=function(){function e(e){this.rows=void 0,this.currRow=void 0,this.nrRollUpRows=void 0,this.lastOutputScreen=void 0,this.logger=void 0,this.rows=[];for(var t=0;t<o;t++)this.rows.push(new y(e));this.logger=e,this.currRow=14,this.nrRollUpRows=null,this.lastOutputScreen=null,this.reset()}var t=e.prototype;return t.reset=function(){for(var e=0;e<o;e++)this.rows[e].clear();this.currRow=14},t.equals=function(e){for(var t=!0,r=0;r<o;r++)if(!this.rows[r].equals(e.rows[r])){t=!1;break}return t},t.copy=function(e){for(var t=0;t<o;t++)this.rows[t].copy(e.rows[t])},t.isEmpty=function(){for(var e=!0,t=0;t<o;t++)if(!this.rows[t].isEmpty()){e=!1;break}return e},t.backSpace=function(){this.rows[this.currRow].backSpace()},t.clearToEndOfRow=function(){this.rows[this.currRow].clearToEndOfRow()},t.insertChar=function(e){this.rows[this.currRow].insertChar(e)},t.setPen=function(e){this.rows[this.currRow].setPenStyles(e)},t.moveCursor=function(e){this.rows[this.currRow].moveCursor(e)},t.setCursor=function(e){this.logger.log(i.INFO,"setCursor: "+e),this.rows[this.currRow].setCursor(e)},t.setPAC=function(e){this.logger.log(i.INFO,"pacData = "+JSON.stringify(e));var t=e.row-1;if(this.nrRollUpRows&&t<this.nrRollUpRows-1&&(t=this.nrRollUpRows-1),this.nrRollUpRows&&this.currRow!==t){for(var r=0;r<o;r++)this.rows[r].clear();var s=this.currRow+1-this.nrRollUpRows,n=this.lastOutputScreen;if(n){var a=n.rows[s].cueStartTime,l=this.logger.time;if(a&&null!==l&&a<l)for(var h=0;h<this.nrRollUpRows;h++)this.rows[t-this.nrRollUpRows+h+1].copy(n.rows[s+h])}}this.currRow=t;var u=this.rows[this.currRow];if(null!==e.indent){var c=e.indent,d=Math.max(c-1,0);u.setCursor(e.indent),e.color=u.chars[d].penState.foreground}var f={foreground:e.color,underline:e.underline,italics:e.italics,background:"black",flash:!1};this.setPen(f)},t.setBkgData=function(e){this.logger.log(i.INFO,"bkgData = "+JSON.stringify(e)),this.backSpace(),this.setPen(e),this.insertChar(32)},t.setRollUpRows=function(e){this.nrRollUpRows=e},t.rollUp=function(){if(null!==this.nrRollUpRows){this.logger.log(i.TEXT,this.getDisplayText());var e=this.currRow+1-this.nrRollUpRows,t=this.rows.splice(e,1)[0];t.clear(),this.rows.splice(this.currRow,0,t),this.logger.log(i.INFO,"Rolling up")}else this.logger.log(i.DEBUG,"roll_up but nrRollUpRows not set yet")},t.getDisplayText=function(e){e=e||!1;for(var t=[],r="",i=-1,s=0;s<o;s++){var n=this.rows[s].getTextString();n&&(i=s+1,e?t.push("Row "+i+": '"+n+"'"):t.push(n.trim()))}return t.length>0&&(r=e?"["+t.join(" | ")+"]":t.join("\n")),r},t.getTextAndFormat=function(){return this.rows},e}(),S=function(){function e(e,t,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=e,this.outputFilter=t,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[14],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null,this.logger=r}var t=e.prototype;return t.reset=function(){this.mode=null,this.displayedMemory.reset(),this.nonDisplayedMemory.reset(),this.lastOutputScreen.reset(),this.outputFilter.reset(),this.currRollUpRow=this.displayedMemory.rows[14],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null},t.getHandler=function(){return this.outputFilter},t.setHandler=function(e){this.outputFilter=e},t.setPAC=function(e){this.writeScreen.setPAC(e)},t.setBkgData=function(e){this.writeScreen.setBkgData(e)},t.setMode=function(e){e!==this.mode&&(this.mode=e,this.logger.log(i.INFO,"MODE="+e),"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=e)},t.insertChars=function(e){for(var t=0;t<e.length;t++)this.writeScreen.insertChar(e[t]);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())},t.ccRCL=function(){this.logger.log(i.INFO,"RCL - Resume Caption Loading"),this.setMode("MODE_POP-ON")},t.ccBS=function(){this.logger.log(i.INFO,"BS - BackSpace"),"MODE_TEXT"!==this.mode&&(this.writeScreen.backSpace(),this.writeScreen===this.displayedMemory&&this.outputDataUpdate())},t.ccAOF=function(){},t.ccAON=function(){},t.ccDER=function(){this.logger.log(i.INFO,"DER- Delete to End of Row"),this.writeScreen.clearToEndOfRow(),this.outputDataUpdate()},t.ccRU=function(e){this.logger.log(i.INFO,"RU("+e+") - Roll Up"),this.writeScreen=this.displayedMemory,this.setMode("MODE_ROLL-UP"),this.writeScreen.setRollUpRows(e)},t.ccFON=function(){this.logger.log(i.INFO,"FON - Flash On"),this.writeScreen.setPen({flash:!0})},t.ccRDC=function(){this.logger.log(i.INFO,"RDC - Resume Direct Captioning"),this.setMode("MODE_PAINT-ON")},t.ccTR=function(){this.logger.log(i.INFO,"TR"),this.setMode("MODE_TEXT")},t.ccRTD=function(){this.logger.log(i.INFO,"RTD"),this.setMode("MODE_TEXT")},t.ccEDM=function(){this.logger.log(i.INFO,"EDM - Erase Displayed Memory"),this.displayedMemory.reset(),this.outputDataUpdate(!0)},t.ccCR=function(){this.logger.log(i.INFO,"CR - Carriage Return"),this.writeScreen.rollUp(),this.outputDataUpdate(!0)},t.ccENM=function(){this.logger.log(i.INFO,"ENM - Erase Non-displayed Memory"),this.nonDisplayedMemory.reset()},t.ccEOC=function(){if(this.logger.log(i.INFO,"EOC - End Of Caption"),"MODE_POP-ON"===this.mode){var e=this.displayedMemory;this.displayedMemory=this.nonDisplayedMemory,this.nonDisplayedMemory=e,this.writeScreen=this.nonDisplayedMemory,this.logger.log(i.TEXT,"DISP: "+this.displayedMemory.getDisplayText())}this.outputDataUpdate(!0)},t.ccTO=function(e){this.logger.log(i.INFO,"TO("+e+") - Tab Offset"),this.writeScreen.moveCursor(e)},t.ccMIDROW=function(e){var t={flash:!1};if(t.underline=e%2==1,t.italics=e>=46,t.italics)t.foreground="white";else{var r=Math.floor(e/2)-16;t.foreground=["white","green","blue","cyan","red","yellow","magenta"][r]}this.logger.log(i.INFO,"MIDROW: "+JSON.stringify(t)),this.writeScreen.setPen(t)},t.outputDataUpdate=function(e){void 0===e&&(e=!1);var t=this.logger.time;null!==t&&this.outputFilter&&(null!==this.cueStartTime||this.displayedMemory.isEmpty()?this.displayedMemory.equals(this.lastOutputScreen)||(this.outputFilter.newCue(this.cueStartTime,t,this.lastOutputScreen),e&&this.outputFilter.dispatchCue&&this.outputFilter.dispatchCue(),this.cueStartTime=this.displayedMemory.isEmpty()?null:t):this.cueStartTime=t,this.lastOutputScreen.copy(this.displayedMemory))},t.cueSplitAtTime=function(e){this.outputFilter&&(this.displayedMemory.isEmpty()||(this.outputFilter.newCue&&this.outputFilter.newCue(this.cueStartTime,e,this.displayedMemory),this.cueStartTime=e))},e}(),T=function(){function e(e,t,r){this.channels=void 0,this.currentChannel=0,this.cmdHistory=void 0,this.logger=void 0;var i=new g;this.channels=[null,new S(e,t,i),new S(e+1,r,i)],this.cmdHistory={a:null,b:null},this.logger=i}var t=e.prototype;return t.getHandler=function(e){return this.channels[e].getHandler()},t.setHandler=function(e,t){this.channels[e].setHandler(t)},t.addData=function(e,t){var r,s,n,a=!1;this.logger.time=e;for(var o=0;o<t.length;o+=2)if(s=127&t[o],n=127&t[o+1],0!==s||0!==n){if(this.logger.log(i.DATA,"["+p([t[o],t[o+1]])+"] -> ("+p([s,n])+")"),(r=this.parseCmd(s,n))||(r=this.parseMidrow(s,n)),r||(r=this.parsePAC(s,n)),r||(r=this.parseBackgroundAttributes(s,n)),!r&&(a=this.parseChars(s,n))){var l=this.currentChannel;l&&l>0?this.channels[l].insertChars(a):this.logger.log(i.WARNING,"No channel found yet. TEXT-MODE?")}r||a||this.logger.log(i.WARNING,"Couldn't parse cleaned data "+p([s,n])+" orig: "+p([t[o],t[o+1]]))}},t.parseCmd=function(e,t){var r=this.cmdHistory;if(!((20===e||28===e||21===e||29===e)&&t>=32&&t<=47||(23===e||31===e)&&t>=33&&t<=35))return!1;if(_(e,t,r))return b(null,null,r),this.logger.log(i.DEBUG,"Repeated command ("+p([e,t])+") is dropped"),!0;var s=20===e||21===e||23===e?1:2,n=this.channels[s];return 20===e||21===e||28===e||29===e?32===t?n.ccRCL():33===t?n.ccBS():34===t?n.ccAOF():35===t?n.ccAON():36===t?n.ccDER():37===t?n.ccRU(2):38===t?n.ccRU(3):39===t?n.ccRU(4):40===t?n.ccFON():41===t?n.ccRDC():42===t?n.ccTR():43===t?n.ccRTD():44===t?n.ccEDM():45===t?n.ccCR():46===t?n.ccENM():47===t&&n.ccEOC():n.ccTO(t-32),b(e,t,r),this.currentChannel=s,!0},t.parseMidrow=function(e,t){var r=0;if((17===e||25===e)&&t>=32&&t<=47){if((r=17===e?1:2)!==this.currentChannel)return this.logger.log(i.ERROR,"Mismatch channel in midrow parsing"),!1;var s=this.channels[r];return!!s&&(s.ccMIDROW(t),this.logger.log(i.DEBUG,"MIDROW ("+p([e,t])+")"),!0)}return!1},t.parsePAC=function(e,t){var r,i=this.cmdHistory;if(!((e>=17&&e<=23||e>=25&&e<=31)&&t>=64&&t<=127||(16===e||24===e)&&t>=64&&t<=95))return!1;if(_(e,t,i))return b(null,null,i),!0;var s=e<=23?1:2;r=t>=64&&t<=95?1===s?h[e]:c[e]:1===s?u[e]:d[e];var n=this.channels[s];return!!n&&(n.setPAC(this.interpretPAC(r,t)),b(e,t,i),this.currentChannel=s,!0)},t.interpretPAC=function(e,t){var r,i={color:null,italics:!1,indent:null,underline:!1,row:e};return r=t>95?t-96:t-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},t.parseChars=function(e,t){var r,s,n=null,o=null;if(e>=25?(r=2,o=e-8):(r=1,o=e),o>=17&&o<=19?(s=17===o?t+80:18===o?t+112:t+144,this.logger.log(i.INFO,"Special char '"+a(s)+"' in channel "+r),n=[s]):e>=32&&e<=127&&(n=0===t?[e]:[e,t]),n){var 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this._chunk=e,this._cb=t}_startIceCompleteTimeout(){this.destroyed||this._iceCompleteTimer||(this._iceCompleteTimer=setTimeout((()=>{this._iceComplete||(this._iceComplete=!0,this.emit("iceTimeout"),this.emit("_iceComplete"))}),this.iceCompleteTimeout))}_createOffer(){this.destroyed||this._pc.createOffer(this.offerOptions).then((e=>{if(this.destroyed)return;this.trickle||this.allowHalfTrickle||(e.sdp=D(e.sdp)),e.sdp=this.sdpTransform(e.sdp);const t=()=>{if(this.destroyed)return;const t=this._pc.localDescription||e;this.emit("signal",{type:t.type,sdp:t.sdp})};this._pc.setLocalDescription(e).then((()=>{this.destroyed||(this.trickle||this._iceComplete?t():this.once("_iceComplete",t))})).catch((e=>{this.destroy(e)}))})).catch((e=>{this.destroy(e)}))}_createAnswer(){this.destroyed||this._pc.createAnswer(this.answerOptions).then((e=>{if(this.destroyed)return;this.trickle||this.allowHalfTrickle||(e.sdp=D(e.sdp)),e.sdp=this.sdpTransform(e.sdp);const t=()=>{if(this.destroyed)return;const t=this._pc.localDescription||e;this.emit("signal",{type:t.type,sdp:t.sdp})};this._pc.setLocalDescription(e).then((()=>{this.destroyed||(this.trickle||this._iceComplete?t():this.once("_iceComplete",t))})).catch((e=>{this.destroy(e)}))})).catch((e=>{this.destroy(e)}))}_onConnectionStateChange(){this.destroyed||"failed"===this._pc.connectionState&&this.destroy(new Error("Connection failed."))}_onIceStateChange(){if(this.destroyed)return;const e=this._pc.iceConnectionState,t=this._pc.iceGatheringState;this.emit("iceStateChange",e,t),"connected"!==e&&"completed"!==e||(this._pcReady=!0,this._maybeReady()),"failed"===e&&this.destroy(new Error("Ice connection failed.")),"closed"===e&&this.destroy(new Error("Ice connection closed."))}getStats(e){const t=e=>("[object Array]"===Object.prototype.toString.call(e.values)&&e.values.forEach((t=>{Object.assign(e,t)})),e);0===this._pc.getStats.length?this._pc.getStats().then((r=>{const i=[];r.forEach((e=>{i.push(t(e))})),e(null,i)}),(t=>e(t))):this._pc.getStats.length>0?this._pc.getStats((r=>{if(this.destroyed)return;const i=[];r.result().forEach((e=>{const r={};e.names().forEach((t=>{r[t]=e.stat(t)})),r.id=e.id,r.type=e.type,r.timestamp=e.timestamp,i.push(t(r))})),e(null,i)}),(t=>e(t))):e(null,[])}_maybeReady(){if(this._connected||this._connecting||!this._pcReady||!this._channelReady)return;this._connecting=!0;const e=()=>{this.destroyed||this.getStats(((t,r)=>{if(this.destroyed)return;t&&(r=[]);const i={},s={},n={};let a=!1;r.forEach((e=>{"remotecandidate"!==e.type&&"remote-candidate"!==e.type||(i[e.id]=e),"localcandidate"!==e.type&&"local-candidate"!==e.type||(s[e.id]=e),"candidatepair"!==e.type&&"candidate-pair"!==e.type||(n[e.id]=e)}));const o=e=>{a=!0;let t=s[e.localCandidateId];t&&(t.ip||t.address)?(this.localAddress=t.ip||t.address,this.localPort=Number(t.port)):t&&t.ipAddress?(this.localAddress=t.ipAddress,this.localPort=Number(t.portNumber)):"string"==typeof e.googLocalAddress&&(t=e.googLocalAddress.split(":"),this.localAddress=t[0],this.localPort=Number(t[1])),this.localAddress&&(this.localFamily=this.localAddress.includes(":")?"IPv6":"IPv4");let r=i[e.remoteCandidateId];r&&(r.ip||r.address)?(this.remoteAddress=r.ip||r.address,this.remotePort=Number(r.port)):r&&r.ipAddress?(this.remoteAddress=r.ipAddress,this.remotePort=Number(r.portNumber)):"string"==typeof e.googRemoteAddress&&(r=e.googRemoteAddress.split(":"),this.remoteAddress=r[0],this.remotePort=Number(r[1])),this.remoteAddress&&(this.remoteFamily=this.remoteAddress.includes(":")?"IPv6":"IPv4")};if(r.forEach((e=>{"transport"===e.type&&e.selectedCandidatePairId&&o(n[e.selectedCandidatePairId]),("googCandidatePair"===e.type&&"true"===e.googActiveConnection||("candidatepair"===e.type||"candidate-pair"===e.type)&&e.selected)&&o(e)})),a||Object.keys(n).length&&!Object.keys(s).length){if(this._connecting=!1,this._connected=!0,this._chunk){try{this.send(this._chunk)}catch(t){return this.destroy(t)}this._chunk=null;const e=this._cb;this._cb=null,e(null)}"number"!=typeof this._channel.bufferedAmountLowThreshold&&(this._interval=setInterval((()=>this._onInterval()),150),this._interval.unref&&this._interval.unref()),this.emit("connect")}else setTimeout(e,100)}))};e()}_onInterval(){!this._cb||!this._channel||this._channel.bufferedAmount>A||this._onChannelBufferedAmountLow()}_onSignalingStateChange(){this.destroyed||("stable"===this._pc.signalingState&&(this._isNegotiating=!1,this._sendersAwaitingStable.forEach((e=>{this._pc.removeTrack(e),this._queuedNegotiation=!0})),this._sendersAwaitingStable=[],this._queuedNegotiation?(this._queuedNegotiation=!1,this._needsNegotiation()):this.emit("negotiated")),this.emit("signalingStateChange",this._pc.signalingState))}_onIceCandidate(e){this.destroyed||(e.candidate&&this.trickle?this.emit("signal",{type:"candidate",candidate:{candidate:e.candidate.candidate,sdpMLineIndex:e.candidate.sdpMLineIndex,sdpMid:e.candidate.sdpMid}}):e.candidate||this._iceComplete||(this._iceComplete=!0,this.emit("_iceComplete")),e.candidate&&this._startIceCompleteTimeout())}_onChannelMessage(e){if(this.destroyed)return;let t=e.data;t instanceof ArrayBuffer&&(t=a.l.from(t)),this.emit("data",t)}_onChannelBufferedAmountLow(){if(this.destroyed||!this._cb)return;const e=this._cb;this._cb=null,e(null)}_onChannelOpen(){this._connected||this.destroyed||(this._channelReady=!0,this._maybeReady())}_onChannelClose(){this.destroyed||this.destroy()}}w.config={iceServers:[{urls:["stun:stun.l.google.com:19302","stun:global.stun.twilio.com:3478"]}],sdpSemantics:"unified-plan"},w.channelConfig={};const I=w;class P{constructor(e,t,r,i,s=0){this.sn=e,this.segId=t,this.data=r,this.fromPeerId=i,this.level=s||0}static fromSegment(e){return new P(e.sn,e.segId,e.data,e.fromPeerId,e.level)}get size(){return this.data.byteLength}get isSequential(){return this.sn>=0}}var R=r(422),C=r.n(R);class k extends(n()){static get defaultPacketSize(){return o}static get VERSION(){return"8"}constructor(e,t,r,i,s,n={}){super(),this.channel=e.fetcher.channelId,this.logger=e.logger,this.config=s,this.isInitiator=i,this.options=n,this.intermediator=n.intermediator||null,this.signalMsgs=[],this.assignPeerId(t,r),this.platform="unknown",this.super=!1,this.mobile=!1,this.mobileWeb=!1,this.mobileNet=!1,this.connected=!1,this.msgQueue=[],this.miss=0,this.notifySet=new Set,this.bufArr=[],this.packetSize=o,this.sendReqQueue=[],this.downloading=!1,this.uploading=!1,this.choked=!1,this.streamListeners=[],this.pieceMsg={},this.uploadInterrupter={targetSegId:void 0,currentSegId:void 0,canceled:!1},this.datasToSend=[],this.bytesUploaded=0,this.dataWriting=!1,this.timeSendRequest=0,this.timeReceivePiece=0,this.timeSendPiece=0,this.weight=0,this.peersConnected=1,this.uploadSpeed=0,this.gotPeers=!1,this.currentLevel=0,this.currentPos=0,this.useBackupSignal=!1,this.webRTCConfig={};const{stuns:a}=this.options;if(a&&a.length>0){const e=[];a.forEach((t=>{this.logger.info(`use stun ${t}`),e.push({urls:t})})),this.webRTCConfig.iceServers=e}this.config.webRTCConfig&&(this.webRTCConfig={...this.config.webRTCConfig,...this.webRTCConfig}),this.playlistMap=new Map,this._initPeerChannel(),this.notFatalClosed=!1,this.startSN=Number.MAX_SAFE_INTEGER,this.endSN=-1,this._loadedBytes=0}assignPeerId(t,r){this.remotePeerId=r,this.channelId=this.isInitiator?`${t}-${r}`:`${r}-${t}`,r&&(this.timeJoin=u(),this.dataExchangeTs=this.timeJoin,this.gotStatsTs=this.timeJoin,this._startTimer()),setTimeout((()=>{for(let t of this.signalMsgs)this.emit(e.DC_SIGNAL,t,!0)}),0)}_startTimer(){this.connTimeout=setTimeout((()=>{this.logger.warn(`dc ${this.channelId} connection timeout`),this.emit(e.DC_TIMEOUT)}),25e3)}get isAvailable(){return this.downloadNum<2&&!this.choked}get isAvailableUrgently(){return!this.downloading&&!this.choked}cancelDownload(t,r,i){if(i&&this.downloading&&!(this.streamListeners.length>0||this.remainAttachments<=2))return this.logger.info(`cancel download ${i} remain packets ${this.remainAttachments}`),this.timeReceivePiece=0,this.sendJson({event:e.DC_PIECE_CANCEL,sn:t,level:r,seg_id:i})}addStreamListener(e,t,r){this.streamListeners.push({handler:r,peerId:t})}removeStreamListener(e){this.streamListeners=this.streamListeners.filter((t=>t.peerId!==e||(t.handler(void 0,void 0,!0,"aborted by cancel"),!1)))}_initPeerChannel(){const t=new I({initiator:this.isInitiator,trickle:this.options.trickle||!1,config:this.webRTCConfig});this._datachannel=t,t.on("error",(t=>{let r=!0;"Ice connection failed."===t.message&&this.notFatalClosed&&(r=!1),this.emit(e.DC_ERROR,r)})),t.on("signal",(t=>{this.signalMsgs.push(t),this.emit(e.DC_SIGNAL,t)}));t.on("connect",(()=>{for(this.logger.info(`datachannel CONNECTED to ${this.remotePeerId} from ${this.intermediator?"peer":"server"}`),this.connected=!0,clearTimeout(this.connTimeout),this.signalMsgs=[],this.emit(e.DC_OPEN);this.msgQueue.length>0;){let e=this.msgQueue.shift();this.emit(e.event,e)}})),t.on("data",(t=>{const{logger:r}=this;if("string"==typeof t){let i=JSON.parse(t);if(!this.connected)return void this.msgQueue.push(i);let s,n=i.event;switch(s=n!==e.DC_PLAYLIST&&n!==e.DC_PEER_SIGNAL?`string: ${t}`:`event: ${n}`,r.debug(`datachannel receive ${s} from ${this.remotePeerId}`),n){case e.DC_HAVE:if(this.emit(i.event,i),!i.sn)return;this.config.live||(i.sn<this.startSN&&(this.startSN=i.sn),i.sn>this.endSN&&(this.endSN=i.sn));break;case e.DC_PIECE:this.downloading=!0,this.dataExchangeTs=u(),this.timeReceivePiece=performance.now(),this.pieceMsg=i,this._prepareForBinary(i.attachments,i.seg_id,i.sn,i.size),this.emit(i.event,i);break;case e.DC_PIECE_CANCEL:this.uploadInterrupter.targetSegId=i.seg_id,this.emit(i.event,i);break;case e.DC_PIECE_NOT_FOUND:this._sendNextReq()||(this.downloading=!1),this.emit(i.event,i);break;case e.DC_REQUEST:this._handleRequestMsg(i);break;case e.DC_PIECE_ACK:this.uploadInterrupter.canceled||(this._handlePieceAck(i.size,i.miss),this.emit(i.event,i));break;case e.DC_STATS:this._handleStats(i);break;case e.DC_PLAYLIST:this.config.sharePlaylist&&this._handlePlaylist(i);break;case e.DC_METADATA:this._handleMetadata(i);break;case e.DC_PIECE_ABORT:this.downloading&&(this._notifyDownloadListenersAbort("aborted by upstream peer"),this.emit(e.DC_PIECE_ABORT,i));break;case e.DC_CHOKE:r.info(`choke peer ${this.remotePeerId}`),this.choked=!0;break;case e.DC_UNCHOKE:r.info(`unchoke peer ${this.remotePeerId}`),this.choked=!1;break;case e.DC_CLOSE:this.emit(i.event,i.fatal||!1);break;default:this.emit(i.event,i)}}else{if(!this.downloading)return void r.warn(`peer not downloading, data size ${t.byteLength} pieceMsg ${JSON.stringify(this.pieceMsg)}`);this._handleBinaryMsg(t)}})),t.once("close",(()=>{this.emit(e.DC_CLOSE,!1)})),t.on("iceStateChange",((e,t)=>{"disconnected"===e&&(this.logger.warn(`${this.remotePeerId} disconnected`),this.connected=!1)}))}sendJson(t){t.event!==e.DC_PLAYLIST&&t.event!==e.DC_PEER_SIGNAL?this.logger.debug(`dc bufferSize ${this._datachannel.bufferSize} send ${JSON.stringify(t)} to ${this.remotePeerId}`):this.logger.debug(`dc send event ${t.event} to ${this.remotePeerId}`);const r=JSON.stringify(t);return r.length>o?(this.logger.error("string to send is too large"),!1):this.send(r,!1)}send(e,t=!0){return t?(this.datasToSend.push(e),this.dataWriting||this._sendDataSync(),!0):this.sendImmediately(e)}_checkIfNeedInterrupt(){const{targetSegId:t,currentSegId:r,canceled:i}=this.uploadInterrupter;return!!i||!(!t||t!==r)&&(this.logger.info("cancel send data"),this.sendMsgPieceAbort(`${r} transfer canceled`),this.datasToSend=[],this.uploadInterrupter.canceled=!0,this._handlePieceAck(this.bytesUploaded,0),this.emit(e.DC_PIECE_ACK,{seg_id:r,size:this.bytesUploaded,canceled:!0}),!0)}_sendDataSync(){if(this._checkIfNeedInterrupt()||0===this.datasToSend.length)return void(this.dataWriting=!1);this.dataWriting=!0;const t=this.datasToSend.shift();this.bytesUploaded+=t.byteLength,this._datachannel.write(t,(t=>{if(t)return this.dataWriting=!1,this.logger.warn(t.message),void this.emit(e.DC_ERROR,!1);this._sendDataSync()}))}sendImmediately(t){if(this._datachannel.connected)try{return this._datachannel.send(t),!0}catch(t){this.logger.warn(`datachannel ${this.channelId} send data failed, close it`),this.emit(e.DC_ERROR,!1)}return!1}sendMsgHave(t,r,i={}){const s=i.reverse||void 0;delete i.reverse,this.sendJson({event:s?e.DC_HAVE_REVERSE:e.DC_HAVE,sn:t,seg_id:r,...i})}sendPieceNotFound(t,r,i={}){this.uploading=!1,this.sendJson({event:e.DC_PIECE_NOT_FOUND,seg_id:r,sn:t,...i})}sendPeers(t){this.sendJson({event:e.DC_PEERS,peers:t})}sendPeersRequest(){this.sendJson({event:e.DC_GET_PEERS})}sendMsgStats(t,r={}){const i={event:e.DC_STATS,total_conns:t,...r};this.sendJson(i)}sendMsgPlaylist(t,r,i){const s=this.playlistMap.get(t);if(s&&s.seq>=i)return;const n={event:e.DC_PLAYLIST,url:t,data:r,seq:i};this.playlistMap.set(t,{data:r,seq:i}),this.sendJson(n)}sendMsgSignal(t,r,i){return this.sendJson({event:e.DC_PEER_SIGNAL,action:"signal",to_peer_id:t,from_peer_id:r,data:i})}sendMsgSignalReject(t,r,i,s=!1){return this.sendJson({event:e.DC_PEER_SIGNAL,action:"reject",to_peer_id:t,from_peer_id:r,reason:i,fatal:s})}sendMetaData(t,r,i,s=!1){this.isInitiator&&(this.timeSendRequest=performance.now()),this.sendJson({event:e.DC_METADATA,field:t,platform:e.DC_PLAT_WEB,mobile:!!C().isMobile(),mobile_net:s,channel:this.channel,version:"2.7.4",sequential:r,peers:i})}sendPartialBuffer(e,t,r={}){this.sendMsgPiece(e,r);for(let e=0;e<t.length;e++)this.send(t[e])}sendMsgPiece(e,t={}){const{targetSegId:r}=this.uploadInterrupter;if(r&&r===e.seg_id)return this.logger.info("cancel send piece msg"),this.sendMsgPieceAbort(`${r} piece canceled`),void(this.uploadInterrupter.canceled=!0);this.uploadInterrupter={currentSegId:e.seg_id,targetSegId:void 0,canceled:!1},this.datasToSend=[],this.bytesUploaded=0,e.ext||(e.ext={}),e.ext.from&&t.from&&(t.from=`${e.ext.from}->${t.from}`),t.incompletes&&e.ext.incompletes&&(t.incompletes+=e.ext.incompletes),t=Object.assign({},e.ext,t);const i={...e,ext:t};this.sendJson(i)}sendBuffer(t,r,i,s={}){const n=s.reverse||void 0;delete s.reverse;let a=i.byteLength,o=0,l=0;a%this.packetSize==0?l=a/this.packetSize:(l=Math.floor(a/this.packetSize)+1,o=a%this.packetSize);let h={event:e.DC_PIECE,attachments:l,seg_id:r,sn:t,level:s.level,size:a,reverse:n};delete s.level,this.sendMsgPiece(h,s);const u=function(e,t,r,i){let s=[];if(i){let n;for(let i=0;i<r-1;i++)n=e.slice(i*t,(i+1)*t),s.push(n);n=e.slice(e.byteLength-i,e.byteLength),s.push(n)}else{let i;for(let n=0;n<r;n++)i=e.slice(n*t,(n+1)*t),s.push(i)}return s}(i,this.packetSize,l,o);this._sendBufferArray(u,n),this.uploading=!1,this.timeSendPiece=performance.now()}get downloadNum(){return this.downloading?this.sendReqQueue.length+1:0}requestDataById(t,r,i=!1,s={}){const n={event:e.DC_REQUEST,seg_id:t,sn:r,...s,urgent:i};this.downloading?(this.logger.info(`${this.remotePeerId} add req ${t} in queue`),i?this.sendReqQueue.unshift(n):this.sendReqQueue.push(n)):this._realRequestData(n)}requestDataBySN(t,r=!1,i={}){const s={event:e.DC_REQUEST,sn:t,...i,urgent:r};this.downloading?(this.logger.info(`add req ${t} in queue`),r?this.sendReqQueue.unshift(s):this.sendReqQueue.push(s)):this._realRequestData(s)}_sendBufferArray(e,t=!1){const r=t?e.reverse():e;for(let e=0;e<r.length;e++)this.send(r[e])}_realRequestData(t){this.sendJson(t),this.timeSendRequest=performance.now(),this.downloading=!0,this.emit(e.DC_SEND_REQUEST)}shouldWaitForRemain(e){return 0!==this.bufArrSize&&(0!==this.timeReceivePiece&&this.currentLoadSpeed()>=this.minRequiredSpeed(e))}close(t){t||(this.notFatalClosed=!0),this.emit(e.DC_CLOSE,t)}receiveSignal(e){e&&this._datachannel.signal(e)}_notifyDownloadListenersAbort(e){for(let t of this.streamListeners){const{handler:r}=t;r(void 0,void 0,!0,e)}this.streamListeners=[]}destroy(t=!0){this.logger.info(`destroy datachannel ${this.channelId}`),this.chokeTimer&&clearTimeout(this.chokeTimer),this.connTimeout&&clearTimeout(this.connTimeout),this.uploading&&this.sendMsgPieceAbort("peer is closing"),this._notifyDownloadListenersAbort("upstream peer is closed");let r={event:e.DC_CLOSE,fatal:t};this.sendJson(r),this._datachannel.removeAllListeners(),this.removeAllListeners(),this._datachannel.destroy()}_handleBinaryMsg(t){const{attachments:r,level:i,reverse:s}=this.pieceMsg;this.listenerCount(e.DC_RESPONSE)>0&&this.bufArr.push(t),this._loadedBytes+=t.byteLength,this.remainAttachments--;let n=s?this.remainAttachments+1:r-this.remainAttachments;const a=0===this.remainAttachments;if(this.emit(e.DC_PIECE_DATA,this.bufSN,this.segId,t,n,a,this.pieceMsg),this.streamListeners.length>0)for(let e of this.streamListeners){const{handler:r}=e;r(this.bufSN,this.segId,!1,t,a)}if(a){if(this.streamListeners=[],this.timeSendRequest>0)if(this.super)this.weight=1;else{const e=this.expectedSize/(performance.now()-this.timeSendRequest);this.weight=this.weight>0?.6*this.weight+.4*e:e}this.sendJson({event:e.DC_PIECE_ACK,sn:this.bufSN,seg_id:this.segId,level:i,size:this.expectedSize,miss:this.miss||void 0}),this.timeSendRequest=0,this.timeReceivePiece=0,this._sendNextReq()||(this.downloading=!1),this._handleBinaryData(s)}}_sendNextReq(){if(this.sendReqQueue.length>0){const e=this.sendReqQueue.shift();return this.logger.info(`get msg from sendReqQueue ${JSON.stringify(e)}`),this._realRequestData(e),!0}return!1}_handlePlaylist(e){const{url:t,data:r,seq:i}=e;this.playlistMap.set(t,{data:r,seq:i})}getLatestPlaylist(e,t){if(!this.playlistMap.has(e))return null;const r=this.playlistMap.get(e);return r.seq<=t||r.seq>t+2?null:r}_handleMetadata(t){const{logger:r}=this;if(this.isInitiator){const e=performance.now()-this.timeSendRequest;e>0&&(this.weight=1e5/e,r.info(`handle Metadata from ${this.remotePeerId} initial weight ${this.weight}`)),this.timeSendRequest=0}const i=t.channel;if(this.channel!==i)return r.error(`peer channel ${i} not matched!`),void this.emit(e.DC_ERROR,!0);t.super&&(r.info(`got super peer ${this.remotePeerId}`),this.super=!0);switch(t.platform){case e.DC_PLAT_ANDROID:this.platform=e.DC_PLAT_ANDROID;break;case e.DC_PLAT_IOS:this.platform=e.DC_PLAT_IOS;break;case e.DC_PLAT_WEB:this.platform=e.DC_PLAT_WEB}if(this.mobile=t.mobile||!1,this.mobileNet=t.mobile_net||!1,this.mobileWeb=this.mobile&&this.platform===e.DC_PLAT_WEB||!1,this.sequential=t.sequential,r.info(`${this.remotePeerId} platform ${this.platform} sequential ${this.sequential}`),t.peers&&(this.peersConnected+=t.peers,r.info(`${this.remotePeerId} now has ${this.peersConnected} peers`)),this.emit(e.DC_METADATA,t),t.field&&!this.config.live&&t.sequential){const{field:e}=t;if(Array.isArray(e))this._handleField(e);else for(let t in e)this._handleField(e[t])}}_handleField(e){e.forEach((e=>{e>=0&&(e<this.startSN&&(this.startSN=e),e>this.endSN&&(this.endSN=e))}))}_handleStats(e){this.gotStatsTs=u();const t=e.total_conns;t>0&&this.peersConnected!==t&&(this.peersConnected=t,this.logger.info(`${this.remotePeerId} now has ${this.peersConnected} peers`)),e.level&&(this.currentLevel=e.level),e.pos&&(this.currentPos=e.pos)}_handleRequestMsg(t){if(this.dataExchangeTs=u(),this.uploading)return this.logger.warn(`${this.remotePeerId} is uploading when receive request`),void this.sendPieceNotFound(t.sn,t.seg_id,{level:t.level});this.uploading=!0,this.emit(e.DC_REQUEST,t)}_handlePieceAck(e,t){0!==this.timeSendPiece&&(this.uploadSpeed=Math.round(e/(performance.now()-this.timeSendPiece)*2),this.timeSendPiece=0,this.logger.info(`${this.remotePeerId} uploadSpeed is ${this.uploadSpeed}`)),t>0&&this.logger.warn(`peer ${this.remotePeerId} miss ${t}`)}_prepareForBinary(e,t,r,i){this.bufArr=[],this.remainAttachments=e,this.segId=t,this.bufSN=r,this.expectedSize=i}_handleBinaryData(t=!1){if(this.listenerCount(e.DC_RESPONSE)>0){t&&this.bufArr.reverse();let r=a.l.concat(this.bufArr);const i=r.byteLength;if(i===this.expectedSize){let t=r.buffer;const i=new P(this.bufSN,this.segId,t,this.remotePeerId,this.pieceMsg.level);this.emit(e.DC_RESPONSE,i,this.weight)}else this.logger.error(`${this.segId} expectedSize ${this.expectedSize} != byteLength ${i}`)}this.segId="",this.bufArr=[],this._loadedBytes=0}checkIfNeedChoke(e=!1){const{logger:t}=this,r=performance.now()-this.timeSendRequest;if(!e&&r<1500)t.info(`duration ${r} no need choke`);else if(this.miss++,t.info(`${this.remotePeerId} miss ${this.miss}`),this.miss>2&&!this.choked){this.choked=!0;const e=30*this.miss;e<=150?(t.warn(`datachannel ${this.channelId} is choked`),this.chokeTimer=setTimeout((()=>{this.choked=!1,t.warn(`datachannel ${this.channelId} is unchoked`)}),1e3*e)):t.warn(`datachannel ${this.channelId} is choked permanently`)}}get bufArrSize(){return this.downloading?this.pieceMsg.attachments-this.remainAttachments:0}loadtimeout(){const{logger:e,pieceMsg:t}=this;return e.warn(`timeout while downloading from ${this.remotePeerId}, ${this.bufArrSize} of ${t.attachments} packets loaded`),this.checkIfNeedChoke(),!0}sendMsgPieceAbort(t){(this.uploading||0!==this.datasToSend.length)&&(this.uploading=!1,this.sendJson({event:e.DC_PIECE_ABORT,reason:t}))}loadedBytes(){return this._loadedBytes}currentLoadSpeed(){return 0===this.timeReceivePiece?0:this.loadedBytes()/(performance.now()-this.timeReceivePiece)}minRequiredSpeed(e){return(this.pieceMsg.size-this.loadedBytes())/e}}const O=k,M={DPlayer:"dplayer",CBPlayer:"cbplayer",jwplayer:"jwplayer",videojs:"videojs",Clappr:"clappr",ckplayer:"ckplayer",MediaElementPlayer:"mediaelement",MediaElement:"mediaelement",TcPlayer:"tcplayer",flowplayer:"flowplayer",Chimee:"chimee",ChimeePlayer:"chimee",HlsJsPlayer:"xgplayer",fluidPlayer:"fluidplayer",OpenPlayer:"openplayer",Plyr:"plyr",Playerjs:"playerjs",Aliplayer:"aliplayer",shaka:"shakaplayer"};function x(){let e;for(let t in M)if(window[t]){e=M[t];break}return e}const F="nllL",N="d3NzJ",B="==",U="TNBLy9z",G="aWduY",j="mNvbQ",H="WwuY2RuY";class $ extends(n()){constructor(e={}){if(super(),this.p2pEnabled=!(!1===e.p2pEnabled||"0"===h("_p2p")),e.tag&&e.tag.length>20)throw new Error("Tag is too long");if(e.appName&&e.appName.length>30)throw new Error("appName is too long");if(e.appId&&e.appId.length>30)throw new Error("appId is too long");if(e.token&&e.token.length>20)throw new Error("Token is too long")}initLogger(){const{config:e}=this;e.showSlogan&&"en"==("zh-CN"===(navigator.language||navigator.userLanguage)?"cn":"en")&&console.log(`%cLet the browsers become your unlimitedly scalable CDN!\n%c${window.atob("aHR0cHM6Ly9zd2FybWNsb3VkLm5ldC9lbi8=")}`,"color: dodgerblue; padding:20px 0; font-size: x-large","font-size: medium; padding-bottom:15px");const t=new S(e.logLevel);return e.logger=this.logger=t,t}getExtraForStats(){return{}}getExtraForPeersRequest(){const e={};return e.num_want=this._getNumWant(),e}_getNumWant(){const{tracker:e}=this,t=e.scheduler.peersNum;if(t>0&&e.maxConnsActive-t>0)return e.maxConnsActive-t}makeChannelId(e,t){if(!e||"string"!=typeof e){const e="token is required while using customized channelId!";throw console.error(e),new Error(e)}return"function"==typeof t?(r,i)=>`${e}-${t(r,i)}`:()=>`${e}-${t}`}makeSignalId(){let e="";const{config:t}=this,r=decodeURIComponent(window.atob(N+U+G+H+F+j+B)),{wsSignalerAddr:i}=t;if(i){let s;"object"==typeof i?(i.main||(i.main=r),s=i.main):"string"==typeof i&&(s=i,t.wsSignalerAddr={main:s}),s===r&&(s=void 0),s&&!t.wsSignalerAddr.backup&&(e=b().parseURL(s).netLoc.substr(2))}else t.wsSignalerAddr={main:r,default:!0};return e}get commonBrowserInfo(){const e=C().getPlatform(),t=C().getNetType()||"wifi";return this.netType=t,{device:e,netType:t,player:x()||void 0}}get isMobileNet(){return"wifi"!==this.netType&&"ethernet"!==this.netType}setupWindowListeners(e){const t=["iPad","iPhone"].indexOf(navigator.platform)>=0?"pagehide":"beforeunload",r=()=>{this.fetcher&&this.fetcher.postStatsWithBeacon(),this.p2pEnabled&&this.disableP2P(),window.removeEventListener(t,r)};e?window.removeEventListener(t,r):window.addEventListener(t,r)}destroy(){this.disableP2P(!0),this.removeAllListeners(),this.setupWindowListeners(!0)}enableP2P(){return this.p2pEnabled?null:(this.logger&&this.logger.info("enable P2P"),this.config.p2pEnabled=this.p2pEnabled=!0,this.browserInfo?(this._init(this.channel,this.browserInfo),this):null)}get version(){return $.version}static isSupported(){const e=f();return!(!e||void 0===e.RTCPeerConnection.prototype.createDataChannel)}static get TrackerZone(){return{CN:"cn",EU:"eu",HK:"hk",USA:"us"}}}$.version="2.7.4",$.protocolVersion=O.VERSION;const W=$;function K(e,t){let r;if(e&&("string"==typeof e?r=document.querySelector(e):e instanceof HTMLMediaElement&&(r=e)),!r){const e=[...document.getElementsByTagName("video"),...document.getElementsByTagName("audio")];1===e.length?r=e[0]:(t&&(r=e.find((e=>e.src===t))),r||(r=e.find((e=>e.currentTime>0))))}return r}let q={wsMaxRetries:10,p2pEnabled:!0,wifiOnly:!1,memoryCacheLimit:{pc:629145600,mobile:314572800},dcDownloadTimeout:25,logLevel:"error",tag:"",webRTCConfig:{},token:void 0,appName:void 0,appId:void 0,prefetchNum:5,showSlogan:!1,trickleICE:!0,announceLocation:"cn",trackerZone:void 0,geoIpPreflight:!0,getStats:function(e,t,r){},getPeerId:function(e){},getPeersInfo:function(e){}};const V={...q,httpLoadTime:3,sharePlaylist:!1,useHttpRange:!0,hlsjsInstance:null,proxyOnly:!1,p2pBlackList:["aac","mp3","vtt","webvtt","key"],live:!0,swFile:"./sw.js",swScope:"./",swAutoRegister:!0,mediaElem:void 0,httpStreamEnabled:!0,swStreamEnabled:!0,diskCacheLimit:{pc:262144e4,mobile:1572864e3},useDiskCache:!0,waitForPeer:!1,waitForPeerTimeout:4,strictSegmentId:!1},z="store not init";function Y(e){return new Promise(((t,r)=>{e.oncomplete=e.onsuccess=()=>t(e.result),e.onabort=e.onerror=()=>r(e.error)}))}function X(e,t){return t?t("readonly",(t=>Y(t.get(e)))):Promise.reject(z)}function Q(e,t,r){return r?r("readwrite",(r=>(r.put(t,e),Y(r.transaction)))):Promise.reject(z)}function J(e,t){return t?t("readwrite",(t=>(t.delete(e),Y(t.transaction)))):Promise.reject(z)}function Z(e,t){return e.openCursor().onsuccess=function(){this.result&&(t(this.result),this.result.continue())},Y(e.transaction)}const ee="size";class te extends(n()){constructor(e,t){super(),this.name="SegmentStore",this.logger=t.logger,this.logger.info("use SegmentStore"),this.channel=e.channel;const r=e.browserInfo.device;this.isPC=r===C().device.PC_WEB||r===C().device.PC_NATIVE,this.maxBufSize=this.isPC?t.diskCacheLimit.pc:t.diskCacheLimit.mobile,this.overflowed=!1,this.loadingSN=0}async setupStore(){if(navigator.storage&&navigator.storage.estimate){const e=await navigator.storage.estimate(),t=Math.floor(e.quota-e.usage);t<this.maxBufSize&&(this.maxBufSize=t-104857600)}return new Promise((async(e,t)=>{if(this.isPC&&this.maxBufSize<629145600||!this.isPC&&this.maxBufSize<367001600)return void t("disk storage not enough");let r=function(e,t){const r=indexedDB.open(e);r.onupgradeneeded=()=>{const e=r.result;t.forEach((t=>{e.createObjectStore(t)}))};const i=Y(r);return t.map((e=>(t,r)=>i.then((i=>r(i.transaction(e,t).objectStore(e))))))}(this.channel,["segments","id2Sn","metadata"]);this.segmentsStore=r[0],this.id2SnStore=r[1],this.metaStore=r[2];const i=setTimeout((()=>{t("setupStore timeout")}),500);this._initMetaStore().then((()=>{clearTimeout(i),e()})).catch((e=>{t(e)}))}))}_initMetaStore(){return new Promise(((e,t)=>{X(ee,this.metaStore).then((t=>{t||(this.logger.info("init MetaStore size"),Q(ee,0,this.metaStore)),e()})).catch((e=>{t()}))}))}currBufSize(){return X(ee,this.metaStore)}async hasSegOfId(e){if(!e)return Promise.resolve(!1);const t=await X(e,this.id2SnStore);return new Promise(((r,i)=>{void 0!==t?X(t,this.segmentsStore).then((t=>{t&&t.length>0&&t.some((t=>t.segId===e))?r(!0):r(!1)})).catch((e=>{this.logger.error(e),r(!1)})):r(!1)}))}async getSegById(e){if(!e)return null;const t=await X(e,this.id2SnStore);return new Promise(((e,r)=>{void 0!==t?X(t,this.segmentsStore).then((t=>{if(t&&t.length>0){const r=t[0];if(!y(r.data))return this.logger.error(`getSegById ${r.sn} is not buffer`),void e(null);e(P.fromSegment(r))}else e(null)})).catch((t=>{this.logger.error(t),e(null)})):e(null)}))}getSegIdBySN(e){return new Promise(((t,r)=>{X(e,this.segmentsStore).then((e=>{e&&e.length>0?t(e[0].segId):t(null)})).catch((e=>{this.logger.error(e),t(null)}))}))}putSeg(t){const{logger:r}=this;y(t.data)?this._addSeg(t).then((t=>{this.emit(`${e.BM_ADDED_SN_}${t.sn}`,t),this.emit(e.BM_SEG_ADDED,t)})).catch((e=>{r.error(e),("QuotaExceededError"===e.name||e.inner&&"QuotaExceededError"===e.inner.name)&&this._trimDisk(!0)})):r.error(`putSeg ${t.sn} is not buffer`)}_addSeg(e){const{segId:t,sn:r}=e;return Q(t,r,this.id2SnStore),new Promise(((i,s)=>{X(r,this.segmentsStore).then((n=>{n?0===n.filter((e=>e.segId===t)).length&&(n.push(this._segmentToCache(e)),Q(r,n,this.segmentsStore).then((()=>{this._increaseBufSize(e.data.byteLength),i(e)})).catch((e=>{s(e)}))):Q(r,[this._segmentToCache(e)],this.segmentsStore).then((()=>{this._increaseBufSize(e.data.byteLength),i(e)})).catch((e=>{s(e)}))})).catch((e=>{s(e)}))}))}async _trimDisk(t=!1){let r=this.maxBufSize;const{logger:i}=this;let s=await this.currBufSize();var n;(t&&(r=s-52428800,r<0&&(r=0)),s<r)||(n=this.segmentsStore,n?n("readonly",(e=>{if(e.getAllKeys)return Y(e.getAllKeys());const t=[];return Z(e,(e=>t.push(e.key))).then((()=>t))})):Promise.reject(z)).then((async t=>{const n=t.sort(((e,t)=>e-t));let a=0;do{if(a++>10){console.error("too much loops in SegmentStore");break}const t=n.shift();if(void 0===t){i.error("lastSN not found");continue}if(t>=this.loadingSN){i.warn(`trimDisk failed, loadingSN ${this.loadingSN}`);break}const r=n[0],o=await X(t,this.segmentsStore);if(!o){i.warn("lastSeg not found");continue}let l=0;o.forEach((e=>{l+=e.data.byteLength})),J(t,this.segmentsStore).then((()=>{this._decreaseBufSize(parseInt(l))})),o.forEach((s=>{J(s.segId,this.id2SnStore),i.info(`pop seg ${s.segId} size ${s.data.byteLength}`),this.emit(e.BM_LOST,{sn:t,segId:s.segId,next:r,level:s.level})})),s-=l,i.info(`pop sn ${t} size ${l} currBufSize ${s}`),this.overflowed||(this.overflowed=!0)}while(s>=r)}))}_decreaseBufSize(e){X(ee,this.metaStore).then((t=>{t&&Q(ee,t-e,this.metaStore)})).catch((e=>{this.logger.error(e)}))}_increaseBufSize(e){X(ee,this.metaStore).then((t=>{Q(ee,t+e,this.metaStore),this._trimDisk()})).catch((e=>{this.logger.error(e)}))}_segmentToCache(e){return{data:e.data,level:e.level,segId:e.segId,sn:e.sn}}clear(){this.logger.warn("clear segment store");try{this._clearDisk()}catch(e){}}_clearDisk(e){return function(e){return new Promise(((t,r)=>{indexedDB.databases().then((i=>{const s=i.filter((t=>t.name!==e)).map((e=>new Promise(((t,r)=>{const i=indexedDB.deleteDatabase(e.name);i.onsuccess=t,i.onerror=r,i.onblocked=r}))));Promise.all(s).then(t).catch(r)})).catch(r)})).catch((e=>{}))}(e)}destroy(){this.clear(),this.removeAllListeners()}}const re=te;class ie extends(n()){constructor(e,t){super(),this.name="SegmentCache",this.logger=t.logger,this.logger.info("use SegmentCache");const r=e.browserInfo.device;if(this.maxBufSize=r===C().device.PC_WEB||r===C().device.PC_NATIVE?t.memoryCacheLimit.pc:t.memoryCacheLimit.mobile,t.live)this.maxBufSize=31457280;else{const e=function(){const{memory:e}=performance;return e?e.jsHeapSizeLimit-e.usedJSHeapSize:-1}();e>=0&&e<this.maxBufSize&&(this.maxBufSize=e-31457280)}this._segPool=new Map,this._currBufSize=0,this.id2Sn=new Map,this.overflowed=!1,this.loadingSN=0}get currBufSize(){return this._currBufSize}hasSegOfId(e){return new Promise(((t,r)=>{const i=this.id2Sn.get(e);this._segPool.has(i)?t(this._segPool.get(i).some((t=>t.segId===e))):t(!1)}))}getSegById(e){const t=this.id2Sn.get(e);return new Promise(((r,i)=>{if(!this._segPool.has(t))return void r(null);const s=this._segPool.get(t);for(let t of s)if(t.segId===e)return void r(t);r(null)}))}getSegIdBySN(e){return new Promise(((t,r)=>{if(this._segPool.has(e)){t(this._segPool.get(e)[0].segId)}else t(null)}))}_calSegPoolSize(){let e=0;return this._segPool.forEach((t=>{t.forEach((t=>{e+=t.size}))})),e}putSeg(e){this._currBufSize>=1.5*this.maxBufSize&&(this._currBufSize=this._calSegPoolSize(),this._currBufSize>=1.5*this.maxBufSize&&(this.clear(),this.overflowed=!1)),y(e.data)?this._addSeg(e):this.logger.error(`putSeg ${e.sn} is not buffer`)}_addSeg(t){const{logger:r}=this,{segId:i,sn:s,size:n}=t;if(this.id2Sn.set(i,s),this._segPool.has(s)){this._segPool.get(s).push(t)}else this._segPool.set(s,[t]);this._currBufSize+=parseInt(n);const a=this._segPool.size;if(this.emit(`${e.BM_ADDED_SN_}${t.sn}`,t),this.emit(e.BM_SEG_ADDED,t),this._currBufSize<this.maxBufSize||a<=5)return;const o=Array.from(this._segPool.keys()).sort(((e,t)=>e-t));let l=0;do{if(l++>10){console.error("too much loops in SegmentCache");break}const t=o.shift();if(void 0===t){r.error("lastSN not found");continue}const i=o[0],s=this._segPool.get(t);if(!s){r.error("lastSeg not found");continue}let n=0;s.forEach((e=>{n+=e.size})),this._currBufSize-=parseInt(n),this._segPool.delete(t),s.forEach((r=>{this.id2Sn.delete(r.segId),this.emit(e.BM_LOST,{sn:t,segId:r.segId,next:i,level:r.level})})),r.info(`pop sn ${t} size ${n} currBufSize ${this._currBufSize}`),this.overflowed||(this.overflowed=!0)}while(this._currBufSize>=this.maxBufSize&&this._segPool.size>5)}clear(){this.logger.warn("clear segment cache"),this._segPool.clear(),this.id2Sn.clear(),this._currBufSize=0}destroy(){this.clear(),this.removeAllListeners()}}const se=ie;class ne extends W{constructor(e={}){super(e),e.validateSegment||(e.validateSegment=function(e,t){return!0}),this.config=Object.assign({},V,e),this.rangeTested=!1,this.lastLevel=0,this.multiBitrate=!1}setup(){let{token:e,channelId:t,segmentId:r,strictSegmentId:i}=this.config,s=e=>{const t=b().parseURL(e);return`${t.netLoc.substr(2)+t.path.substring(0,t.path.lastIndexOf("."))}`},n=i?(e,t,r,i)=>{let s=r.split("?")[0];return s.startsWith("http")&&(s=s.split("://")[1]),i?`${s}|${i}`:`${s}`}:(e,t)=>`${e}-${t}`;t&&(s=this.makeChannelId(e,t)),r||(this.config.segmentId=n);return{channelIdMaker:s,signalId:this.makeSignalId(),browserInfo:{...this.commonBrowserInfo,tag:this.config.tag||void 0}}}setupElectron(){this.browserInfo.device===R.device.PC_NATIVE&&(this.browserInfo={...this.browserInfo,app:this.config.appName,bundle:this.config.appId})}getExtraForStats(){const e=super.getExtraForStats();return!this.config.live&&this.media&&(e.pos=Math.round(this.media.currentTime)),this.multiBitrate&&this.currentLevel!==this.lastLevel&&(e.level=this.currentLevel+"",this.lastLevel=this.currentLevel),e}getExtraForPeersRequest(){const e=super.getExtraForPeersRequest();return this.multiBitrate&&(e.level=this.currentLevel+""),e}destroy(){super.destroy()}async initSegmentManager(){const{logger:e,config:t}=this;if(window.indexedDB&&t.useDiskCache&&!t.live){const r=new re(this,t);try{await r.setupStore(),this.bufMgr=r}catch(r){e.warn(r),this.bufMgr=new se(this,t)}}else this.bufMgr=new se(this,t);if(this.bufMgr.maxBufSize<=0)throw new Error("bufMgr state is invalid")}getTagForVod(){const e=`${(0,R.getBrowser)()}${p()?"s":""}`;return this.bufMgr?`${e}_${"SegmentStore"===this.bufMgr.name?"d":"m"}`:e}}class ae{constructor(){this.method=null,this.key=null,this.iv=null,this._uri=null}get uri(){return!this._uri&&this.reluri&&(this._uri=T.buildAbsoluteURL(this.baseuri,this.reluri,{alwaysNormalize:!0})),this._uri}}class oe{constructor(){this._url=null,this._byteRange=null,this._decryptdata=null,this.tagList=[],this.programDateTime=null,this.rawProgramDateTime=null,this._elementaryStreams={[oe.ElementaryStreamTypes.AUDIO]:!1,[oe.ElementaryStreamTypes.VIDEO]:!1}}static get ElementaryStreamTypes(){return{AUDIO:"audio",VIDEO:"video"}}get url(){return!this._url&&this.relurl&&(this._url=T.buildAbsoluteURL(this.baseurl,this.relurl,{alwaysNormalize:!0})),this._url}set url(e){this._url=e}get byteRange(){if(!this._byteRange&&!this.rawByteRange)return[];if(this._byteRange)return this._byteRange;let e=[];if(this.rawByteRange){const t=this.rawByteRange.split("@",2);if(1===t.length){const t=this.lastByteRangeEndOffset;e[0]=t||0}else e[0]=parseInt(t[1]);e[1]=parseInt(t[0])+e[0],this._byteRange=e}return e}get byteRangeStartOffset(){return this.byteRange[0]}get byteRangeEndOffset(){return this.byteRange[1]}get decryptdata(){return this._decryptdata||(this._decryptdata=this.fragmentDecryptdataFromLevelkey(this.levelkey,this.sn)),this._decryptdata}get endProgramDateTime(){if(!Number.isFinite(this.programDateTime))return null;let e=Number.isFinite(this.duration)?this.duration:0;return this.programDateTime+1e3*e}get encrypted(){return!(!this.decryptdata||null===this.decryptdata.uri||null!==this.decryptdata.key)}addElementaryStream(e){this._elementaryStreams[e]=!0}hasElementaryStream(e){return!0===this._elementaryStreams[e]}createInitializationVector(e){let t=new Uint8Array(16);for(let r=12;r<16;r++)t[r]=e>>8*(15-r)&255;return t}fragmentDecryptdataFromLevelkey(e,t){let r=e;return e&&e.method&&e.uri&&!e.iv&&(r=new ae,r.method=e.method,r.baseuri=e.baseuri,r.reluri=e.reluri,r.iv=this.createInitializationVector(t)),r}}class le{constructor(e){this.endCC=0,this.endSN=0,this.fragments=[],this.initSegment=null,this.live=!0,this.needSidxRanges=!1,this.startCC=0,this.startSN=0,this.startTimeOffset=null,this.targetduration=0,this.totalduration=0,this.type=null,this.url=e,this.version=null}get hasProgramDateTime(){return!(!this.fragments[0]||!Number.isFinite(this.fragments[0].programDateTime))}}const he=/^(\d+)x(\d+)$/,ue=/\s*(.+?)\s*=((?:\".*?\")|.*?)(?:,|$)/g;class ce{constructor(e){"string"==typeof e&&(e=ce.parseAttrList(e));for(let t in e)e.hasOwnProperty(t)&&(this[t]=e[t])}decimalInteger(e){const t=parseInt(this[e],10);return t>Number.MAX_SAFE_INTEGER?1/0:t}hexadecimalInteger(e){if(this[e]){let t=(this[e]||"0x").slice(2);t=(1&t.length?"0":"")+t;const r=new Uint8Array(t.length/2);for(let e=0;e<t.length/2;e++)r[e]=parseInt(t.slice(2*e,2*e+2),16);return r}return null}hexadecimalIntegerAsNumber(e){const t=parseInt(this[e],16);return t>Number.MAX_SAFE_INTEGER?1/0:t}decimalFloatingPoint(e){return parseFloat(this[e])}enumeratedString(e){return this[e]}decimalResolution(e){const t=he.exec(this[e]);if(null!==t)return{width:parseInt(t[1],10),height:parseInt(t[2],10)}}static parseAttrList(e){let t,r={};for(ue.lastIndex=0;null!==(t=ue.exec(e));){let e=t[2],i='"';0===e.indexOf(i)&&e.lastIndexOf(i)===e.length-1&&(e=e.slice(1,-1)),r[t[1]]=e}return r}}const de=ce,fe={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,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}};const ge=/#EXT-X-STREAM-INF:([^\n\r]*)[\r\n]+([^\r\n]+)/g,pe=/#EXT-X-MEDIA:(.*)/g,ve=new RegExp([/#EXTINF:\s*(\d*(?:\.\d+)?)(?:,(.*)\s+)?/.source,/|(?!#)([\S+ ?]+)/.source,/|#EXT-X-BYTERANGE:*(.+)/.source,/|#EXT-X-PROGRAM-DATE-TIME:(.+)/.source,/|#.*/.source].join(""),"g"),me=/(?:(?:#(EXTM3U))|(?:#EXT-X-(PLAYLIST-TYPE):(.+))|(?:#EXT-X-(MEDIA-SEQUENCE): *(\d+))|(?:#EXT-X-(TARGETDURATION): *(\d+))|(?:#EXT-X-(KEY):(.+))|(?:#EXT-X-(START):(.+))|(?:#EXT-X-(ENDLIST))|(?:#EXT-X-(DISCONTINUITY-SEQ)UENCE:(\d+))|(?:#EXT-X-(DIS)CONTINUITY))|(?:#EXT-X-(VERSION):(\d+))|(?:#EXT-X-(MAP):(.+))|(?:(#)([^:]*):(.*))|(?:(#)(.*))(?:.*)\r?\n?/,ye=/\.(mp4|m4s|m4v|m4a)$/i;class Ee{static findGroup(e,t){if(!e)return null;let r=null;for(let i=0;i<e.length;i++){const s=e[i];s.id===t&&(r=s)}return r}static convertAVC1ToAVCOTI(e){let t,r=e.split(".");return r.length>2?(t=r.shift()+".",t+=parseInt(r.shift()).toString(16),t+=("000"+parseInt(r.shift()).toString(16)).substr(-4)):t=e,t}static resolve(e,t){return T.buildAbsoluteURL(t,e,{alwaysNormalize:!0})}static parseMasterPlaylist(e,t){let r,i=[];function s(e,t){["video","audio"].forEach((r=>{const i=e.filter((e=>function(e,t){const r=fe[t];return!!r&&!0===r[e.slice(0,4)]}(e,r)));if(i.length){const s=i.filter((e=>0===e.lastIndexOf("avc1",0)||0===e.lastIndexOf("mp4a",0)));t[`${r}Codec`]=s.length>0?s[0]:i[0],e=e.filter((e=>-1===i.indexOf(e)))}})),t.unknownCodecs=e}for(ge.lastIndex=0;null!=(r=ge.exec(e));){const e={},n=e.attrs=new de(r[1]);e.url=Ee.resolve(r[2],t);const a=n.decimalResolution("RESOLUTION");a&&(e.width=a.width,e.height=a.height),e.bitrate=n.decimalInteger("AVERAGE-BANDWIDTH")||n.decimalInteger("BANDWIDTH"),e.name=n.NAME,s([].concat((n.CODECS||"").split(/[ ,]+/)),e),e.videoCodec&&-1!==e.videoCodec.indexOf("avc1")&&(e.videoCodec=Ee.convertAVC1ToAVCOTI(e.videoCodec)),i.push(e)}return i}static parseMasterPlaylistMedia(e,t,r,i=[]){let s,n=[],a=0;for(pe.lastIndex=0;null!==(s=pe.exec(e));){const e={},o=new de(s[1]);if(o.TYPE===r){if(e.groupId=o["GROUP-ID"],e.name=o.NAME,e.type=r,e.default="YES"===o.DEFAULT,e.autoselect="YES"===o.AUTOSELECT,e.forced="YES"===o.FORCED,o.URI&&(e.url=Ee.resolve(o.URI,t)),e.lang=o.LANGUAGE,e.name||(e.name=e.lang),i.length){const t=Ee.findGroup(i,e.groupId);e.audioCodec=t?t.codec:i[0].codec}e.id=a++,n.push(e)}}return n}static parseLevelPlaylist(e,t){let r,i,s=0,n=0,a=new le(t),o=new ae,l=0,h=null,u=new oe,c=null;for(ve.lastIndex=0;null!==(r=ve.exec(e));){const e=r[1];if(e){u.duration=parseFloat(e);const t=(" "+r[2]).slice(1);u.title=t||null,u.tagList.push(t?["INF",e,t]:["INF",e])}else if(r[3]){if(Number.isFinite(u.duration)){const e=s++;u.start=n,u.levelkey=o,u.sn=e,u.cc=l,u.baseurl=t,u.relurl=(" "+r[3]).slice(1),Se(u,h),a.fragments.push(u),h=u,n+=u.duration,u=new oe}}else if(r[4]){if(u.rawByteRange=(" "+r[4]).slice(1),h){const e=h.byteRangeEndOffset;e&&(u.lastByteRangeEndOffset=e)}}else if(r[5])u.rawProgramDateTime=(" "+r[5]).slice(1),u.tagList.push(["PROGRAM-DATE-TIME",u.rawProgramDateTime]),null===c&&(c=a.fragments.length);else{for(r=r[0].match(me),i=1;i<r.length&&void 0===r[i];i++);const e=(" "+r[i+1]).slice(1),n=(" "+r[i+2]).slice(1);switch(r[i]){case"#":u.tagList.push(n?[e,n]:[e]);break;case"PLAYLIST-TYPE":a.type=e.toUpperCase();break;case"MEDIA-SEQUENCE":s=a.startSN=parseInt(e);break;case"TARGETDURATION":a.targetduration=parseFloat(e);break;case"VERSION":a.version=parseInt(e);break;case"EXTM3U":break;case"ENDLIST":a.live=!1;break;case"DIS":l++,u.tagList.push(["DIS"]);break;case"DISCONTINUITY-SEQ":l=parseInt(e);break;case"KEY":var d=new de(e),f=d.enumeratedString("METHOD"),g=d.URI,p=d.hexadecimalInteger("IV");f&&(o=new ae,g&&["AES-128","SAMPLE-AES","SAMPLE-AES-CENC"].indexOf(f)>=0&&(o.method=f,o.baseuri=t,o.reluri=g,o.key=null,o.iv=p));break;case"START":let i=new de(e).decimalFloatingPoint("TIME-OFFSET");Number.isFinite(i)&&(a.startTimeOffset=i);break;case"MAP":let h=new de(e);u.relurl=h.URI,u.rawByteRange=h.BYTERANGE,u.baseurl=t,u.sn="initSegment",a.initSegment=u,u=new oe,u.rawProgramDateTime=a.initSegment.rawProgramDateTime;break;default:console.warn(`line parsed but not handled: ${r}`)}}}return u=h,u&&!u.relurl&&(a.fragments.pop(),n-=u.duration),a.totalduration=n,a.averagetargetduration=n/a.fragments.length,a.endSN=s-1,a.startCC=a.fragments[0]?a.fragments[0].cc:0,a.endCC=l,!a.initSegment&&a.fragments.length&&a.fragments.every((e=>ye.test(e.relurl)))&&(console.warn("MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX"),u=new oe,u.relurl=a.fragments[0].relurl,u.baseurl=t,u.level=id,u.sn="initSegment",a.initSegment=u,a.needSidxRanges=!0),c&&function(e,t){let r=e[t];for(let i=t-1;i>=0;i--){const t=e[i];t.programDateTime=r.programDateTime-1e3*t.duration,r=t}}(a.fragments,c),a}}function Se(e,t){e.rawProgramDateTime?e.programDateTime=Date.parse(e.rawProgramDateTime):t&&t.programDateTime&&(e.programDateTime=t.endProgramDateTime),Number.isFinite(e.programDateTime)||(e.programDateTime=null,e.rawProgramDateTime=null)}var Te=r(485),be=r.n(Te),_e=r(934),Le=r.n(_e);const Ae=e=>{const t=localStorage.getItem(e);try{const e=JSON.parse(t);return e.value?e.value:e}catch(e){return t}},De=(e,t,r)=>{((e,t)=>{"object"==typeof t&&(t=JSON.stringify(t)),localStorage.setItem(e,t)})(e,{value:t,duration:r,startTime:(new Date).getTime()})};class we{constructor(){this.p2p=0,this.share=0,this.http=0}recordP2p(e){this.p2p+=e}recordShare(e){this.share+=e}recordHttp(e){this.http+=e}resetTraffic(){this.p2p=0,this.share=0,this.http=0}get healthRatio(){if(0===this.http)return 1e3;let e=Math.round((this.p2p+this.share)/this.http*100);return e<=0&&(e=1),e}}const Ie="SW_GEOIP_KEY",Pe="TRACKER_EXPT",Re="IPAPI_ERROR",Ce="Y24u",ke="Y2Ru",Oe="Nvb",Me="YnllLm",xe="Q==",Fe="aGsuc3d",Ne="hcm1j",Be="bG91ZC",Ue="5uZXQ=",Ge=Symbol("httpDownloaded"),je=Symbol("p2pDownloaded"),He=Symbol("p2pUploaded");class $e extends(n()){constructor(e,t,r,i,s){let n;super(),this.config=e.config;let a=this.config.announceLocation;switch(this.config.trackerZone&&(a=this.config.trackerZone),a){case"cn":case"eu":n=Ce+ke+Me+Oe+xe;break;case"hk":n=Fe+Ne+Be+Ue;break;case"us":n="dXMuaGR0dmNsb3VkLmNvbQ=="}this.engine=e,this.key=t||void 0,this.baseUrl=i||`https://${window.atob(n)}/v1`,this.channelId=window.btoa(r),this.timestamp=u(),this.health=new we;const o=b().parseURL(this.baseUrl).netLoc;this.announce=o.replace(/\/\//,"");const l=function(e,t,r,i,s,n){let a=location.hostname;"localhost"===a&&n&&(a=`${n}.${a}`);function o(e,t,r,i,s,n){return be()(e+t+r+i+s,n)}const l=o(a,t,r,i,s,e);return l.substr(0,8)}(this.timestamp,"2.7.4",this.announce,this.channelId,s.type,this.key);this.native=!!s.bundle,this.announceInfo={...s,channel:this.channelId,ts:this.timestamp,version:"2.7.4",v:l,announce:this.announce,token:this.key},this.announceURL=`${this.baseUrl}/channel`,this.reportFails=0,this.statsRequesting=!1,this.forbidden=!1,this.failConns=0,this.totalHTTPDownloaded=0,this.totalP2PDownloaded=0,this.totalP2PUploaded=0,this[Ge]=0,this[je]=0,this[He]=0,this.speed=0,this.offline=!1,this.errsBufStalled=0,this.mediaRequests=0,this.errsInternalExpt=0}geoipRequest(){const{logger:e}=this.engine;return new Promise(((t,r)=>{if((e=>{const t=localStorage.getItem(e);try{const e=JSON.parse(t);return!(!e.duration||!e.startTime)&&(new Date).getTime()-e.startTime<e.duration}catch(e){return!1}})(Ie)){const r=Ae(Ie);e.info("found local geo data"),t(r)}else fetch("//pro.ip-api.com/json?fields=2181826&key=XOpiansRgYxGTho").then((e=>e.json())).then((e=>{if("success"===e.status){const r=e.mobile?432e5:2592e5;De(Ie,e,r),t(e)}else{const t=new Error(`preflight status ${e.status}`);r(Le()(t,Re))}})).catch((e=>{r(e)}))}))}btAnnouncePreflight(){const{logger:e}=this.engine;return this.announceInfo.asn?this.btAnnounce():(e.info("preflight ip-api"),Promise.race([this.geoipRequest(),new Promise(((e,t)=>{setTimeout((()=>{t(Le()(new Error("request timeout"),Re))}),600)}))]).then((e=>(this._parseGeoResponse(e),this.btAnnounce()))).catch((t=>{if(t.code!==Pe){const t=Ae(Ie);return t&&(e.info("use expired ipData"),this._parseGeoResponse(t)),this.btAnnounce()}throw t})))}_parseGeoResponse(e){const{lat:t,lon:r,isp:i,as:s,mobile:n,countryCode:a,continentCode:o}=e;n&&(this.announceInfo.netType="cellular");const l=s.split(" ")[0].substr(2);this.announceInfo.tag||(this.announceInfo.tag=`${o||""}-${(0,R.getBrowser)()}${p()?"s":""}`),this.announceInfo={...this.announceInfo,lat:t,lon:r,isp:i,asn:l,country:a}}btAnnounce(){const{logger:e}=this.engine;return this.announceInfo.tag||(this.announceInfo.tag=`${(0,R.getBrowser)()}${p()?"s":""}`),new Promise(((t,r)=>{fetch(this.announceURL,{headers:this._requestHeader,method:"POST",body:JSON.stringify(this.announceInfo)}).then((e=>{if(!e.ok){const t=e.status>=500&&e.status<600;r(Le()(new Error(`server response code is ${e.status}`),Pe,{retry:t}))}return e.json()})).then((e=>{this.engine||r(Le()(new Error("runtime error"),Pe,{retry:!1}));const i=e.data;if(i.f&&(this.forbidden=!0),-1===e.ret){const{code:t,msg:i}=e.data;r(Le()(new Error(i),Pe,{retry:t>=5e3}))}else i.info&&console.info(`${i.info}`),i.warn&&console.warn(`${i.warn}`),i.min_conns||(i.min_conns=8),(!i.rejected||i.rejected&&i.share_only)&&i.id&&i.report_interval&&i.peers?(this.peerId=this.id=i.id,i.report_interval<20&&(i.report_interval=20),this.btStats(i.report_interval),this.getPeersURL=`${this.baseUrl}/channel/${this.channelId}/node/${this.peerId}/peers`,this.statsURL=`${this.baseUrl}/channel/${this.channelId}/node/${this.peerId}/stats`,t(i)):(this.engine&&(this.engine.p2pEnabled=!1),r(Le()(new Error("msg not valid"),Pe,{retry:!1})))})).catch((t=>{e.error(`btAnnounce error ${t}`),r(Le()(t,Pe,{retry:!0}))}))}))}btStats(e=10){this.heartbeater=setInterval((()=>{this.postStats()}),1e3*e)}postStatsWithBeacon(){if(this.offline)return;this.offline=!0;let e={off:!0};this.statsRequesting||(e={...e,...this._makeStatsBody()}),navigator.sendBeacon(this.statsURL,JSON.stringify(e))}postStats(){const{logger:t}=this.engine;this.statsRequesting=!0,fetch(this.statsURL,{method:"POST",body:JSON.stringify(this._makeStatsBody())}).then((e=>(this.statsRequesting=!1,this.reportFails=0,e.text()))).then((r=>{let i;if(i=r?JSON.parse(r):{ret:0,data:{}},-1===i.ret)clearInterval(this.heartbeater),t.error(`${i.data.msg} code ${i.data.code}`),this.engine.emit(e.RESTART_P2P);else{const{http:e=0,p2p:t=0,share:r=0,failConns:i=0,rebuffers:s=0,requests:n=0,errsInternalExpt:a=0}=this.lastStats||{};this[Ge]>=e&&(this[Ge]-=e),this[je]>=t&&(this[je]-=t),this[He]>=r&&(this[He]-=r),this.failConns>=i&&(this.failConns-=i),this.errsBufStalled>=s&&(this.errsBufStalled-=s),this.mediaRequests>=n&&(this.mediaRequests-=n),this.errsInternalExpt>=a&&(this.errsInternalExpt-=a),this.exptMsg&&(this.exptMsg=void 0)}})).catch((e=>{t.error(`btStats error ${e}`),this.statsRequesting=!1,this.reportFails++,this.reportFails>=3&&clearInterval(this.heartbeater)}))}btGetPeers(e,t=!1){const{logger:r}=this.engine,{asn:i,country:s}=this.announceInfo;let n={exclusions:e,asn:i,country:s,ratio:this.health.healthRatio,urgent:t||void 0},a={};return this.engine.getExtraForPeersRequest&&(a=this.engine.getExtraForPeersRequest()),n=Object.assign({},n,a),new Promise(((e,t)=>{fetch(this.getPeersURL,{headers:this._requestHeader,method:"POST",body:JSON.stringify(n)}).then((e=>e.json())).then((r=>{-1===r.ret?t(new Error(r.data.msg)):e(r.data)})).catch((e=>{r.error(`btGetPeers error ${e}`),t(e)})).finally((()=>{this.health.resetTraffic()}))}))}increFailConns(){this.failConns++}increRebuffers(){this.errsBufStalled++}increMediaRequests(){this.mediaRequests++}reportFlow(e){const t=Math.round(e/1024);this[Ge]+=t,this.totalHTTPDownloaded+=t,this.health.recordHttp(t),this._emitStats()}reportDCTraffic(e,t){const r=Math.round(e/1024);this[je]+=r,this.totalP2PDownloaded+=r,this.health.recordP2p(r),this.speed=Math.round(t),this._emitStats()}reportUploaded(e=0){const t=Math.round(e/1024);this.totalP2PUploaded+=t,this.health.recordShare(t),this[He]+=t,this._emitStats()}destroy(){const{logger:e}=this.engine;e.warn("destroy fetcher"),this.removeAllListeners(),clearInterval(this.heartbeater)}_emitStats(){this.engine.emit("stats",{totalHTTPDownloaded:this.totalHTTPDownloaded,totalP2PDownloaded:this.totalP2PDownloaded,totalP2PUploaded:this.totalP2PUploaded,p2pDownloadSpeed:this.speed});const e=this.config.getStats;e&&"function"==typeof e&&e(this.totalP2PDownloaded,this.totalP2PUploaded,this.totalHTTPDownloaded,this.speed)}_makeStatsBody(){const{asn:e,country:t}=this.announceInfo;let r={totalConns:this.engine.tracker.totalConns,failConns:this.failConns,rebuffers:this.errsBufStalled||void 0,requests:this.mediaRequests||void 0,errsInternalExpt:this.errsInternalExpt,http:Math.round(this[Ge])||0,p2p:Math.round(this[je])||0,share:Math.round(this[He])||0,asn:e,country:t},i={};return this.engine.getExtraForStats&&(i=this.engine.getExtraForStats()),r=Object.assign({},r,i),this.lastStats=JSON.parse(JSON.stringify(r)),Object.keys(r).forEach((e=>{0===r[e]&&delete r[e]})),this.exptMsg&&(r.exptMsg="2.7.4 "+this.exptMsg),r}get _requestHeader(){let e={};return this.native&&(e={...e,token:this.key,"User-Agent":"electron",appid:this.announceInfo.bundle}),e}}const We=$e;const Ke=0,qe=1,Ve=2,ze=3,Ye=(e,t,r,i,s)=>e.filter((e=>e.bitset.hasWithId(r,i,s,t)));class Xe{constructor(e=!1,t){this.isLive=e,this.levelMap=new Map;for(let e in t){const r=Number(e);if(r<0)continue;const i=new Map;if(t[e])for(let r of t[e])i.set(r,{state:qe,segId:void 0});this.levelMap.set(r,i)}}totalLevels(){return this.levelMap.size}hasWithId(e,t,r,i=Ke){if(t<0)return!1;const s=this._createOrGetSet(t).get(e);return!!s&&((!r||!s.segId||s.segId===r)&&(i===Ke||s.state===i))}has(e,t,r=Ke){return this.hasWithId(e,t,void 0,r)}hasCompleteOr(e,t,r=qe){const i=this._createOrGetSet(t).get(e);return!!i&&(i.state===qe||i.state===r)}getObj(e,t){let r=this._createOrGetSet(t).get(e);return r||(r={}),r}getSegId(e,t){return this.getObj(e,t).segId}getState(e,t){return this.getObj(e,t).state}delete(e,t){const r=this._createOrGetSet(t);return-1===t?(this.levelMap.forEach((t=>{t.delete(e)})),!0):r.delete(e)}add(e,t,r,i){if("number"!=typeof(s=e)||s%1!=0)return;var s;this._createOrGetSet(t).set(e,{state:i,segId:r}),this.isLive&&this._trimBitset(e)}array(e){const t=this._createOrGetSet(e);return this._keysForStateComplete(t)}allArray(){let e={};return this.levelMap.forEach(((t,r)=>{e[r]=this._keysForStateComplete(t)})),e}clear(){this.levelMap.forEach((e=>{e.clear()}))}size(e){return this._createOrGetSet(e).size}_createOrGetSet(e){"number"!=typeof e&&(e=Number(e));let t=this.levelMap.get(e);return t||(t=new Map,this.levelMap.set(e,t)),t}_trimBitset(e){const t=e-20;t>0&&this.levelMap.forEach((e=>{e.delete(t)}))}_keysForStateComplete(e){const t=[];for(let[r,i]of e)i.state===qe&&t.push(r);return t}}class Qe{constructor(){this.levelMap=new Map}totalLevels(){return this.levelMap.size}has(e,t){return this._createOrGetMap(t).has(e)}delete(e,t){return this._createOrGetMap(t).delete(e)}decre(e,t){const r=this._createOrGetMap(t);if(r.has(e)){let t=r.get(e);1===t?r.delete(e):r.set(e,t-1)}}incre(e,t){const r=this._createOrGetMap(t);if(r.has(e)){let t=r.get(e);r.set(e,t+1)}else r.set(e,1)}clear(){this.levelMap.forEach((e=>{e.clear()}))}size(e){return this._createOrGetMap(e).size}_createOrGetMap(e){"number"!=typeof e&&(e=Number(e));let t=this.levelMap.get(e);return t||(t=new Map,this.levelMap.set(e,t)),t}}const Je=class{constructor(){this.peerMap=new Map}isEmpty(){return 0===this.peerMap.size}size(){return this.peerMap.size}clear(){this.peerMap.clear()}getPeers(){return[...this.peerMap.values()]}getPeerValues(){return this.peerMap.values()}hasPeer(e){return this.peerMap.has(e)}addPeer(e,t){this.peerMap.set(e,t)}getPeerIds(){return[...this.peerMap.keys()]}removePeer(e){this.peerMap.delete(e)}getPeersOrderByWeight(){const e=this.getAvailablePeers();return e.sort(((e,t)=>0===t.weight?1:0===e.weight?-1:t.weight-e.weight)),e}getPeer(e){return this.peerMap.get(e)}getAvailablePeers(){return this.getPeers().filter((e=>e.isAvailableUrgently))}},Ze=1,et=2,tt=3,rt=4;class it{constructor(e){this.generator=e,this.status=Ze,this.next=this.next.bind(this)}next(e){if(this.status===rt)return console.warn("status is canceled");if(this.status===et)return console.warn("status is waiting");const t=this.execute.bind(this,this.cb);this.nextInfo=this.generator(t),this.status=et,this.nextInfo.execute(e)}execute(e,t){this.status=tt,e.apply(t,[this.next])}cancel(){this.status=rt,this.nextInfo&&"function"==typeof this.nextInfo.cancel&&this.nextInfo.cancel()}start(e,t){if("function"!=typeof e)throw new SyntaxError("param cb must be a function");this.cb=e,this.next(t)}continue(e){this.status=Ze,this.next(e)}}const st=Symbol("shareOnly");class nt extends(n()){constructor(e,t){super(),this.engine=e,this.config=t,this.logger=e.logger,this.bufMgr=null,this.peerManager=new Je,this._setupEngine&&this._setupEngine(),this.startCheckConnsTimer(),this.dcDownloadTimeout=t.dcDownloadTimeout,this[st]=!1,this.downloadOnly=!1,this.loadedPeerNum=0}get isMobileNet(){return this.engine.isMobileNet}startCheckConnsTimer(){this.checkConnsTimer=setInterval((()=>{this.logger.info("start check conns");const e=this.getStatsForPeer();let t=this.peersNum;const r=u();this.getPeers().forEach((i=>{t>4&&(r-i.dataExchangeTs>150||r-i.gotStatsTs>=83)?(this.logger.warn(`close dead or different level peer ${i.remotePeerId} level ${i.currentLevel}`),i.close(!1),t--):i.connected&&i.sendMsgStats(t,e)}))}),4e4)}getStatsForPeer(){return{}}getNonactivePeers(){const e=u();return this.getPeers().filter((t=>e-t.dataExchangeTs>150)).sort(((e,t)=>e.dataExchangeTs-t.dataExchangeTs))}requestPeers(){this.logger.info("request peers from peer");const t={event:e.DC_GET_PEERS};for(let e of this.getPeers())e.mobileNet||e.super||e.sendJson(t)}chokePeerRequest(t){const r={event:e.DC_CHOKE};t?t.sendJson(r):this._broadcastToPeers(r)}unchokePeerRequest(t){const r={event:e.DC_UNCHOKE};t?t.sendJson(r):this._broadcastToPeers(r)}stopRequestFromPeers(){for(let e of this.getPeers())e.choked=!0}resumeRequestFromPeers(){for(let e of this.getPeers())e.choked=!1}setShareOnly(){this[st]=!0}deletePeer(e){this.peerManager.hasPeer(e.remotePeerId)&&this.peerManager.removePeer(e.remotePeerId),this._peersStats(this.peerManager.getPeerIds())}getPeers(){return[...this.peerManager.getPeerValues()]}addPeer(e){const{logger:t}=this;this.peerManager.addPeer(e.remotePeerId,e),this[st]&&(e.choked=!0);const r=this.peerManager.getPeerIds();this._peersStats(r),t.info(`add peer ${e.remotePeerId}, now has ${r.length} peers`),!e.mobileNet&&!this.waitForPeer&&e.isInitiator&&this.peersNum<=5&&e.peersConnected>1&&e.sendPeersRequest()}get hasPeers(){return this.peersNum>0}get peersNum(){return this.peerManager.size()}get hasIdlePeers(){const{logger:e}=this,t=this.getIdlePeer().length;if(e.info(`peers: ${this.peersNum} idle peers: ${t}`),t<this.peersNum){const t=this.peerManager.getPeers(),r=t.filter((e=>e.downloading));e.warn(`downloading: ${r.length} choked: ${t.filter((e=>e.choked)).length}`);for(let t of r)e.warn(`${t.remotePeerId} loading ${t.segId} packets ${t.bufArr.length} total ${t.pieceMsg.attachments}`)}return t>0}getIdlePeer(){return this.peerManager.getAvailablePeers()}set bufferManager(t){this.bufMgr=t,t.on(e.BM_LOST,(({sn:t,segId:r,next:i,level:s})=>{this.config.live||this._broadcastToPeers({event:e.DC_LOST,sn:t,seg_id:r,level:s||void 0}),this.onBufferManagerLost(t,r,i,s)})).on(e.BM_SEG_ADDED,(e=>{this.onBufferManagerSegAdded(e)}))}onBufferManagerSegAdded(e){}destroy(){const{logger:e}=this;this.peersNum>0&&this.peerManager.clear(),this.removeAllListeners(),clearInterval(this.checkConnsTimer),this.checkTimer&&this.checkTimer.cancel(),e.warn("destroy BtScheduler")}notifyPeersLoaded(e){}_setupDC(t){const{logger:r}=this;t.on(e.DC_PIECE_ACK,(e=>{e.size&&(this.engine.fetcher.reportUploaded(e.size),r.info(`uploaded ${e.seg_id} size ${e.size} to ${t.remotePeerId}, canceled ${e.canceled||!1}`))})).on(e.DC_PIECE_ABORT,(e=>{r.warn(`peer ${t.remotePeerId} download aborted, reason ${e.reason}`),t.downloading&&this._handlePieceAborted&&this._handlePieceAborted(t.remotePeerId),t.downloading=!1})).on(e.DC_REQUEST,(()=>{})).on(e.DC_SEND_REQUEST,(()=>{}))}_broadcastToPeers(e){for(let t of this.getPeers())t.sendJson(e)}_peersStats(e){this.engine.emit("peers",e);const t=this.engine.config.getPeersInfo;t&&"function"==typeof t&&t(e)}startCheckPeersTimer(e=3e3){this.checkTimer=new it((function(e){let t;return{execute:function(r=1e3){t=setTimeout(e,r)},cancel:function(){clearTimeout(t)}}})),this.checkTimer.start((e=>{this.checkPeers();const t=1e3*(0===(r=this.loadedPeerNum)?3:.5*r+1.67);var r;this.logger.info(`loaded peers ${this.loadedPeerNum} nextDelay ${t}`),this.loadedPeerNum=0,e(t)}),e)}}const at=nt;class ot extends(n()){constructor(e){super(),this.internalMap=new Map,this.eventName=e}has(e,t){return this.internalMap.has(this._generateId(e,t))}set(e,t,r){const i=this._generateId(e,t);this.internalMap.set(i,r),this.emit(`${this.eventName}${e}-${t}`,r)}get(e,t){return this.internalMap.get(this._generateId(e,t))}delete(e,t){const r=this._generateId(e,t),i=this.internalMap.get(r);return!!i&&(i.destroy(),this.internalMap.delete(r),!0)}clear(){this.internalMap.clear(),this.removeAllListeners()}_generateId(e,t){return"number"!=typeof t&&(t=Number(t)),`${t}-${e}`}}const lt=0,ht=1,ut=2,ct=3;class dt extends(n()){constructor(e,r,i,s,n,a=!1,o){super(),this.coordinator=e,this.logger=r,this.rangeSupported=a,this.rangeStart=0,this.rangeEnd=0,this.httpLoadTime=2e3,this.allowLoadPartial=!1,this.pieceMsg={event:t.DC_PIECE,sn:i,level:s,seg_id:n},o&&this.setExtra(o),this.forwardPeer=null,this.reversePeer=null,this.bufArr=[],this.forwardBufList=[],this.reverseBufList=[],this.forwardOffset=-1,this.reverseOffset=1e4,this.timeStart=0,this.timeReceivePiece=0,this.timer=void 0,this.destroyed=!1,this.forwardStreamListeners=[],this.reverseStreamListeners=[],this.rangeRequesting=!1,this.waitingRemain=!1,this.httpLoaded=0,this.p2pLoaded=0,this.deadline=0,this.p2pCanceled=!1}get segId(){return this.pieceMsg.seg_id}isDownloading(){return this.timeReceivePiece>0}isAlmostDeadline(){return!!this.rangeRequesting||this.deadline>0&&this.deadline-performance.now()<400}hasPeer(e){return!!e&&(e===this.forwardPeer||e===this.reversePeer)}_notifyStreamListeners(e,t,r){const{sn:i,seg_id:s,attachments:n}=this.pieceMsg,a=e&&0===r||!e&&r===n-1,o=e?this.reverseStreamListeners:this.forwardStreamListeners;e?this.reverseBufList.push(t):this.forwardBufList.push(t),a&&(this.forwardBufList.push([...this.reverseBufList].reverse()),this.reverseBufList.push([...this.forwardBufList].reverse()));for(let e of o){const{handler:r}=e;r(i,s,!1,t,a)}a&&(o.length=0)}_notifyStreamListenersAbort(){const e=[...this.reverseStreamListeners,...this.forwardStreamListeners];for(let t of e){const{handler:e}=t;e(void 0,void 0,!0,"aborted by synthesizer")}e.length=0}_notifyStreamListenersRemain(){if(this.forwardStreamListeners.length>0){for(let e=this.forwardOffset+1;e<this.bufArr.length;e++)this._notifyStreamListeners(!1,this.bufArr[e],e);this.forwardStreamListeners=[]}if(this.reverseStreamListeners.length>0){for(let e=this.reverseOffset-1;e>=0;e--)this._notifyStreamListeners(!0,this.bufArr[e],e);this.reverseStreamListeners=[]}}addStreamListener(e,t,r){(e?this.reverseStreamListeners:this.forwardStreamListeners).push({handler:r,peerId:t})}removeStreamListener(e){const t=t=>t.filter((t=>t.peerId!==e||(t.handler(void 0,void 0,!0,"aborted by cancel"),!1)));this.forwardStreamListeners=t(this.forwardStreamListeners),this.reverseStreamListeners=t(this.reverseStreamListeners)}setTimeout(e=0){e<=0?setTimeout((()=>{this._handleTimeout(!1,!1)}),0):(this.deadline=performance.now()+e,this._startTimer(e))}setExtra(e={}){e.url&&(this.url=e.url),e.rangeStart&&(this.rangeStart=e.rangeStart),e.rangeEnd&&(this.rangeEnd=e.rangeEnd),e.httpLoadTime&&(this.httpLoadTime=e.httpLoadTime),e.allowLoadPartial&&(this.allowLoadPartial=!0),e.xhrSetup&&(this.xhrSetup=e.xhrSetup),e.headers&&(this.headers=e.headers),e.segId&&!this.pieceMsg.seg_id&&(this.pieceMsg.seg_id=e.segId)}hasForwardPeer(){return!!this.forwardPeer}hasReversePeer(){return!!this.reversePeer}hasPeerId(e){return this.forwardPeer&&this.forwardPeer.remotePeerId===e||this.reversePeer&&this.reversePeer.remotePeerId===e}isEmpty(){return null===this.forwardPeer&&null===this.reversePeer}isFull(){return this.forwardPeer&&this.reversePeer}setForwardPeer(e){this.forwardPeer=e,this.reversePeer&&this._print(),this._setupPeer(e,!1)}setReversePeer(e){this.reversePeer=e,this.forwardPeer&&this._print(),this._setupPeer(e,!0)}deletePeer(e,t=!1){const r=e===this.reversePeer;this._detachPeer(e),r?(this.reversePeer=null,t&&(this.reverseOffset=this.pieceMsg.attachments||1e4)):(this.forwardPeer=null,t&&(this.forwardOffset=-1)),this.isEmpty()&&this._handleTimeout(!1,!1)}terminate(){this._handleTimeout(!1,!1)}_emitPartialOrError(e){if(this.allowLoadPartial&&this.hasPartialBuffer()){const[e,r]=this.getPartialBuffer();this.emit(t.SYN_PARTIAL,this.pieceMsg,e,r)}else this.emit(t.SYN_ERROR,this.pieceMsg,e)}hasPartialBuffer(){return this.hasForwardBuffer()||this.hasReverseBuffer()}hasForwardBuffer(){return this.forwardOffset>=0}hasReverseBuffer(){return this.pieceMsg&&this.reverseOffset<this.pieceMsg.attachments}getPartialBuffer(){return[this.forwardOffset>=0?a.l.concat(this.bufArr.slice(0,this.forwardOffset+1)):null,this.pieceMsg&&this.reverseOffset<this.pieceMsg.attachments?a.l.concat(this.bufArr.slice(this.reverseOffset)):null]}_cancelP2p(){if(this.p2pCanceled)return;this.p2pCanceled=!0;const{seg_id:e,sn:t,level:r}=this.pieceMsg;[this.forwardPeer,this.reversePeer].filter((e=>!!e)).forEach((i=>{i.cancelDownload(t,r,e)}))}destroy(){this.logger.info("destroy syn"),clearTimeout(this.timer),this._notifyStreamListenersAbort(),this._cancelP2p(),this.removeAllListeners(),this.destroyed=!0,this._detachPeer(this.forwardPeer),this.forwardPeer=null,this.forwardOffset=-1,this._detachPeer(this.reversePeer),this.reversePeer=null,this.reverseOffset=1e4,this.bufArr=[],this.forwardStreamListeners=[],this.reverseStreamListeners=[]}_detachPeer(e){if(!e)return;const r=e===this.reversePeer?this.reverseEvents:this.forwardEvents;e.off(t.DC_PIECE_DATA,r.onPieceData).off(t.DC_PIECE,r.onPiece).off(t.DC_PIECE_NOT_FOUND,r.onPieceNotFound).off(t.DC_PIECE_ABORT,r.onPieceAbort)}_receivePacket(e,r,i,s=!0){const{seg_id:n,sn:o,level:l,size:h}=this.pieceMsg,u=r-1;if(this.bufArr[u])return this.logger.warn(`syn bufArr ${this.pieceMsg.sn} already has ${u} size ${i.byteLength}`),!1;if(s?this.p2pLoaded+=i.byteLength:this.httpLoaded+=i.byteLength,this.bufArr[u]=i,e?this.reverseOffset=u:this.forwardOffset=u,this._notifyStreamListeners(e,i,u),this.forwardOffset!==this.reverseOffset-1)return!0;this.forwardPeer&&(this.forwardPeer.miss=0),this.reversePeer&&(this.reversePeer.miss=0),clearTimeout(this.timer),this._notifyStreamListenersRemain();const c=h/(performance.now()-this.timeStart);let d=a.l.concat(this.bufArr);const f=d.byteLength;if(f===h){let e=d.buffer;const r=new P(o,n,e,this.getFromPeerId(),l);this.emit(t.SYN_OUTPUT,r,{speed:c,p2p:this.p2pLoaded,http:this.httpLoaded})}else{this.logger.error(`${l}-${o} expectedSize ${h} != byteLength ${f} forward ${this.forwardOffset} reverse ${this.reverseOffset}`);for(let e=0;e<this.bufArr.length;e++)this.logger.error(`piece ${e} size ${this.bufArr[e].byteLength}`);this.emit(t.SYN_ERROR,this.pieceMsg,lt)}}_setupPeer(e,r){0===this.timeStart&&(this.timeStart=performance.now());const i=(t,r,i,s,n,a)=>{if(this.destroyed)return;if(!this._validateMsg(t,a.level,r))return void this.logger.warn(`onPieceData ${a.level}-${t} not match ${JSON.stringify(this.pieceMsg)} from ${e.remotePeerId}`);const{reverse:o}=a;this._receivePacket(o,s,i)&&!this.waitingRemain&&!this.rangeRequesting&&this.deadline>0&&this._shouldSwitch()&&(this.logger.warn("should switch to http"),clearTimeout(this.timer),this._handleTimeout(!1,!1))},s=r=>{if(this.destroyed)return;const{attachments:i,size:s,sn:n,level:a,seg_id:o}=r;return s&&this._validateMsg(n,a,o)?this.pieceMsg.size&&s!==this.pieceMsg.size?(this.logger.warn(`onPiece ${r.level}-${r.sn} size not match`),void this.emit(t.SYN_ERROR,this.pieceMsg,lt)):void(0===this.bufArr.length&&(this.pieceMsg={...this.pieceMsg,seg_id:o,size:s,attachments:i},this.reverseOffset=i,this.bufArr=new Array(i),this.timeReceivePiece=performance.now())):(this.logger.warn(`onPiece ${JSON.stringify(r)} not match ${JSON.stringify(this.pieceMsg)}`),void this.deletePeer(e))},n=t=>{this.destroyed||this.deletePeer(e)},a=()=>{this.destroyed||this.deletePeer(e)},o={onPieceData:i,onPiece:s,onPieceNotFound:n,onPieceAbort:a};r?this.reverseEvents=o:this.forwardEvents=o,e.on(t.DC_PIECE_DATA,i).once(t.DC_PIECE,s).once(t.DC_PIECE_NOT_FOUND,n).once(t.DC_PIECE_ABORT,a)}_validateMsg(e,t,r){return(!this.pieceMsg.seg_id||r===this.pieceMsg.seg_id)&&(e===this.pieceMsg.sn&&t===this.pieceMsg.level)}_shouldSwitch(){const e=this.pieceMsg.size-64e3*this.loadedPackets();return this.coordinator.shouldSwitchToHttp(e,this.deadline,this.p2pSpeed,64e3,this.httpLoadTime)}_startTimer(e,t=!0){this.timer=setTimeout(this._handleTimeout.bind(this,t),e)}loadedPackets(){return this.pieceMsg.attachments-(this.reverseOffset-this.forwardOffset-1)}_handleTimeout(e=!1,r=!0){if(this.destroyed)return;const{level:i,sn:s,size:n,attachments:a}=this.pieceMsg;if(!n||0===this.timeReceivePiece)return this.logger.warn(`syn load timeout ${i}-${s} url ${this.url}`),void this.emit(t.SYN_ERROR,this.pieceMsg,lt);if(e&&this.timeReceivePiece>0&&(this.logger.warn(`syn ${this.loadedPackets()} of ${a} packets loaded`),this.shouldWaitForRemain(this.httpLoadTime))){const e=this.httpLoadTime;return this.waitingRemain=!0,this.logger.info(`syn wait for remain ${e}`),void this._startTimer(e,!1)}if(r){const e=[this.forwardPeer,this.reversePeer].filter((e=>!!e)).sort(((e,t)=>e.currentLoadSpeed()-t.currentLoadSpeed())).shift();e&&e.loadtimeout()}if(this._cancelP2p(),this.rangeSupported&&this.url)return this._loadRemainBufferByHttp();this._notifyStreamListenersAbort(),this._emitPartialOrError(ct)}shouldWaitForRemain(e){if(e<=0||this.isEmpty())return!1;const t=performance.now()-this.timeStart;return t<500||t<1e3&&this.timeReceivePiece>0&&e>3e3||this.shouldWaitForRemainUrgent(e)}shouldWaitForRemainUrgent(e){if(0===this.timeReceivePiece||e<=0)return!1;const t=this.p2pSpeed;let r=0;[this.forwardPeer,this.reversePeer].forEach((e=>{e&&(r+=e.loadedBytes())}));const i=(this.pieceMsg.size-r)/e;return this.logger.info(`syn remainTime ${e} speed ${t} required ${i}`),t>=i}get p2pSpeed(){let e=0;return[this.forwardPeer,this.reversePeer].forEach((t=>{t&&(e+=t.currentLoadSpeed())})),e}getFromPeerId(){const{forwardPeer:e,reversePeer:t}=this;return this.isFull()&&e!==t?`${e.remotePeerId}:${t.remotePeerId}`:e?`${e.remotePeerId}`:t?`${t.remotePeerId}`:""}_loadRemainBufferByHttp(){if(this.rangeRequesting)return;const{size:e,sn:r,level:i}=this.pieceMsg,s=this.rangeEnd>0?this.rangeEnd-1:0,n=this.forwardOffset,l=function(e,t,r,i=0,s=0){const n=o;let a="bytes=",l=i,h=s||r-1;const u=Math.floor(r/n),c=r%n>0?u+1:u;e>=0&&(l+=(e+1)*n),a=`${a}${l}-`,t>=0&&t<c?(h-=r%n+(c-t-1)*n,a=`${a}${h}`):0!==s&&(a=`${a}${h}`);return a}(n,this.reverseOffset,e,this.rangeStart,s),h=performance.now();let u=this.deadline+this.httpLoadTime-h+1e3;u<2e3?u=2e3:u>6e3&&(u=6e3),this.logger.info(`continue download ${i}-${r} from ${this.url} range: ${l} timeout ${u}`),this.rangeRequesting=!0,this.headers&&(this.xhrSetup=e=>{for(const t of Object.keys(this.headers))e.setRequestHeader(t,this.headers[t])}),d(this.url,l,this.xhrSetup,u).then((e=>{if(this.destroyed)return;if(this.rangeRequesting=!1,!e)return void this.emit(t.SYN_ERROR,this.pieceMsg,ht);let i=a.l.from(e);const s=i.byteLength/(performance.now()-h);this.coordinator.addHttpSpeed(s),i.byteLength===this.pieceMsg.size&&this.logger.warn(`syn range request ${r} resp whole ts`);const o=v(i,0);let l=n+1;for(let e=0;e<o.length;e++)this.bufArr[l]||this._receivePacket(!1,l+1,o[e],!1),l++})).catch((e=>{if(this.destroyed)return;this.rangeRequesting=!1,this.logger.error(`http partial download ${r} error ${e}`);const i="timeout"===e?ut:ht;this.emit(t.SYN_ERROR,this.pieceMsg,i)}))}_print(){const{level:e,sn:t}=this.pieceMsg;this.logger.info(`syn parallel loading ${e}-${t}`)}}class ft{constructor(){this.meanHttpSpeed=0}addHttpSpeed(e){this.meanHttpSpeed=.4*this.meanHttpSpeed+.6*e}shouldSwitchToHttp(e,t,r,i,s){if(this.meanHttpSpeed<=0)return!1;if(r>=this.meanHttpSpeed)return!1;if(this.meanHttpSpeed*s>=e)return!1;return((s+t-performance.now())*this.meanHttpSpeed-e)/(this.meanHttpSpeed-r)*r<i}}class gt extends at{constructor(e,r){super(e,r),this.bitset=new Xe(r.live||!1),this.bitCounts=new Qe,this.requestingMap=new ot(t.REQUESTING_MAP_HAVE),this.segmentBuilderMap=new ot(t.BUILDER_MAP_HAVE),this.allowP2pLimit=r.httpLoadTime+1.5,this.playlistInfo=new Map,this.isUploader=!1,this.isReceiver=!1,this.targetPeers={},this.mBufferedDuration=0,this.sequential=!0,this.httpTimeouts=0,this.httpRangeErrs=0,this.coordinator=new ft,this.loadingSegId="",this.loadingSN=0,this.currPlaySN=0,this.currLostSN=-1,this.nextLostSN=-1,this.config.live?this.maxPrefetchCount=10:(this.maxPrefetchCount=150,this.startCheckPeersTimer())}get httpRangeSupported(){return this.config.httpRangeSupported}handshakePeer(e){this._setupDC(e),e.sendMetaData(this.bitset.allArray(),!0,this.peersNum,this.isMobileNet)}_receiveDCHave(e,r,i){this.bitset.has(e,r)||this.bitCounts.incre(e,r),this.emit(t.SCH_DCHAVE,i)}_setupDC(e){super._setupDC(e),e.on(t.DC_HAVE,(t=>{if(e.bitset&&t.sn>=0){const{sn:r,level:i,complete:s,seg_id:n}=t;this._receiveDCHave(r,i,n);const a=s?qe:Ve;e.bitset.add(r,i,n,a),e.isAvailableUrgently&&this._handleDCHave(e,r,i,n,a)}})).on(t.DC_HAVE_REVERSE,(t=>{if(e.bitset&&t.sn>=0){const{sn:r,level:i,seg_id:s}=t;this._receiveDCHave(r,i,s),e.bitset.hasCompleteOr(r,i,ze)||e.bitset.add(r,i,s,ze),e.isAvailableUrgently&&this._handleDCHave(e,r,i,s,ze)}})).on(t.DC_LOST,(t=>{if(!e.bitset)return;const{sn:r,level:i}=t;e.bitset.has(r,i)&&(e.bitset.delete(r,i),this.bitCounts.decre(r,i))})).on(t.DC_PIECE,(e=>{e.ext&&e.ext.incompletes>=7||this.notifyAllPeers(e.sn,e.level,e.seg_id,e.reverse?ze:Ve)})).on(t.DC_PIECE_CANCEL,(t=>{const{sn:r,level:i}=t,s=this.requestingMap.get(r,i);if(s)return void s.removeStreamListener(e.remotePeerId);const n=this.segmentBuilderMap.get(r,i);n&&n.removeStreamListener(e.remotePeerId)})).on(t.DC_PIECE_NOT_FOUND,(t=>{const{sn:r,level:i}=t;e.bitset.delete(r,i),this.bitCounts.decre(r,i),e.checkIfNeedChoke(!0)})).on(t.DC_REQUEST,(async r=>{const{logger:i}=this,{sn:s,level:n,reverse:a}=r;this.isUploader=!0;let o=r.seg_id;o||(o=await this.bufMgr.getSegIdBySN(s));const l=this.requestingMap.get(s,n);let h=!1;l&&l.isDownloading()&&(h=!0);const u=await this.bufMgr.getSegById(o);if(u)i.info("found seg from bufMgr"),u.level===n?e.sendBuffer(u.sn,u.segId,u.data,{from:this.engine.swVersion?"SWCache":"Cache",level:u.level,reverse:a}):e.sendPieceNotFound(s,o,{level:n});else if(h){i.info(`syn had ${l.loadedPackets()} packets, wait remain from upstream ${l.getFromPeerId()}`);const t={...l.pieceMsg,reverse:a},r=a?l.reverseBufList:l.forwardBufList;e.sendPartialBuffer(t,r,{from:l.isFull()?"WaitPartialDouble":"WaitPartialSingle",incompletes:1}),r.length<t.attachments?d(l,e,a):e.uploading=!1}else if(a)e.sendPieceNotFound(s,o,{level:n});else{const r=this.segmentBuilderMap.get(s,n);if(r)i.info(`peer request ${s} wait from builder, sent ${r.bufferList.length}`),c(r,e);else if(s>=this.loadingSN){let r;const l=l=>{this.segmentBuilderMap.off(`${t.BUILDER_MAP_HAVE}${s}-${n}`,r),l&&l.level===n?(i.info(`peer request notify seg ${l.sn}`),e.sendBuffer(l.sn,l.segId,l.data,{from:"NotifySegment",level:l.level,reverse:a})):e.sendPieceNotFound(s,o,{level:n})};r=r=>{this.bufMgr.off(`${t.BM_ADDED_SN_}${s}`,l),c(r,e)},i.info(`peer request ${s} wait from fragLoader`),this.segmentBuilderMap.once(`${t.BUILDER_MAP_HAVE}${s}-${n}`,r),this.bufMgr.once(`${t.BM_ADDED_SN_}${s}`,l)}else e.sendPieceNotFound(s,o,{level:n})}function c(e,t){t.sendPartialBuffer(e.pieceMsg,e.bufferList,{from:e.source,incompletes:1}),e.bufferList.length<e.pieceMsg.attachments?d(e,t,!1):t.uploading=!1}function d(e,t,r){e.addStreamListener(r,t.remotePeerId,((e,r,i,s,n)=>{i?t.sendMsgPieceAbort(s):t.send(s),n&&(t.uploading=!1)}))}}))}handleMetaData(e,t){if(t.field){e.bitset=new Xe(this.config.live,t.field);for(let e in t.field){const r=Number(e);if(r<0)continue;t.field[r].forEach((e=>{this.bitset.has(e,r)||this.bitCounts.incre(e,r)}))}this.addPeer(e),this.downloadOnly&&this.chokePeerRequest(e)}}peersHas(e,t){return this.bitCounts.has(e,t)}deletePeer(e){if(this.peerManager.hasPeer(e.remotePeerId)&&e.bitset){const t=e.bitset.allArray();for(let e in t){const r=Number(e),i=t[r];i&&i.forEach((e=>{this.bitCounts.decre(e,r)}))}}this.cleanRequestingMap(e.remotePeerId),super.deletePeer(e)}hasAndSetTargetPeer(e,t,r,i){const{logger:s,config:n}=this;this.waitForPeer&&(this.mBufferedDuration=i=n.waitForPeerTimeout+n.httpLoadTime);let a=1e3*(i-n.httpLoadTime);const o=n.httpLoadTime+1.5;if(s.info(`bufferedDuration ${i} remainLoadTime ${a}`),i<=o)return!1;if(this.requestingMap.has(e,t)){const l=this.requestingMap.get(e,t);if(!l)return this._searchAvailablePeers(e,t,r);const h=l.segId;if(h&&h!==r)return s.warn(`syn segId ${h} not match ${r}`),this.requestingMap.delete(e,t),this._searchAvailablePeers(e,t,r);if(!l.shouldWaitForRemain(a)){if(s.warn(`syn prefetch timeout at ${e}`),l.isFull())return!1;const a=this.peerManager.getPeersOrderByWeight(),h=Ye(a,qe,e,t,r);let u=Ye(a,Ve,e,t,r),c=Ye(a,ze,e,t,r);if(l.hasReversePeer()){if(u=h.concat(u),u.length>0)return this.targetPeers.forwardPeer=u[0],!0}else if(l.hasForwardPeer()){if(c=h.concat(c),c.length>0)return this.targetPeers.reversePeer=c[0],!0}else{if(h.length>0)return l.hasForwardBuffer()?this.targetPeers.reversePeer=h[0]:this.targetPeers.forwardPeer=h[0],!0;{let e=!1;if(u.length>0&&(this.targetPeers.forwardPeer=u[0],e=!0),c.length>0&&(this.targetPeers.reversePeer=c[0],e=!0),e)return!0}}return!l.isEmpty()&&n.httpRangeSupported&&i>o+1}return s.info(`prefetch ${e} wait for remain`),!0}return this._searchAvailablePeers(e,t,r)}_searchAvailablePeers(e,t,r){if(!this.hasIdlePeers||!this.peersHas(e,t))return!1;const i=this.peerManager.getPeersOrderByWeight(),[s,n]=((e,t,r,i)=>{const s=Ye(e,qe,t,r,i);if(s.length>=2)return[s[0],s[1]];if(1===s.length){const n=Ye(e,Ve,t,r,i);if(n.length>=1)return[n[0],s[0]];const a=Ye(e,ze,t,r,i);return a.length>=1?[s[0],a[0]]:0===c(0,1)?[null,s[0]]:[s[0],null]}const n=Ye(e,Ve,t,r,i);if(n.length>=1)return[n[0],null];const a=Ye(e,ze,t,r,i);return a.length>=1?[null,a[0]]:[null,null]})(i,e,t,r);return this.targetPeers={forwardPeer:s,reversePeer:n},[s,n].some((e=>!!e))}reportTraffic(e,t,r){const{fetcher:i}=this.engine;i?(e>0&&i.reportFlow(e),t>0&&i.reportDCTraffic(t,r)):this.logger.error("DC report failed")}notifyAllPeers(e,t,r,i=qe){if(!r)return void this.logger.error("segId is required");if(this.downloadOnly)return;const{live:s}=this.config;if(this.bitset.has(e,t,i))return;const n=((e,t,r)=>`${e}-${t}-${r}`)(e,t,i);let a;i!==ze&&(a=i===qe);const o=this.requestingMap.get(e,t);for(let l of this.getPeers())o&&o.hasPeer(l)||l.notifySet.has(n)||l.bitset.hasCompleteOr(e,t,i)||l.uploading||(l.sendMsgHave(e,r,{level:t,reverse:i===ze,complete:a}),l.notifySet.add(n),s&&m(l.notifySet,20))}checkPeers(){if(!this.hasPeers)return;const{logger:e,config:t,engine:r}=this,i=t.live,{currentLevel:s}=r;if(e.info(`currentLevel ${s}`),0===this.bitCounts.size(s))return;if(!i&&this.nextLostSN>=0&&this.nextLostSN>=this.currPlaySN-10)return;if(this.mBufferedDuration<this.allowP2pLimit&&(0!==this.mBufferedDuration||this.isHlsjs))return void e.info(`low buffer time ${this.mBufferedDuration}, skip prefetch`);const n=this.peerManager.getPeersOrderByWeight();if(0===n.length)return;const a=[];let{prefetchNum:o,endSN:l,startSN:h}=t;i&&(o=1);let u=0,d=this.loadingSN+1;if(!i)if(this.loadingSN>=l&&!this.bufMgr.overflowed)d=h;else{const e=Math.min(...n.filter((e=>e.endSN>=d)).map((e=>e?e.startSN:1/0)));if(!isFinite(e))return;d<e&&(d=e)}for(;a.length<o&&a.length<n.length&&u<this.maxPrefetchCount;){if(!i&&d>l)return;if(i&&d>this.loadingSN+2)return;if(this.bitset.has(d,s))d++;else{if(d!==this.loadingSN&&this.bitCounts.has(d,s)&&!this.requestingMap.has(d,s))for(let r of n)if(!a.includes(r)&&r.bitset.has(d,s)){const i=r.bitset.getState(d,s);let n;n=i===qe?0===c(0,1):i===ze,a.push(r);const o=r.bitset.getSegId(d,s),l=new dt(this.coordinator,this.logger,d,s,o,t.httpRangeSupported);this._setupSynthesizer(l),n?l.setReversePeer(r):l.setForwardPeer(r),this.requestingMap.set(d,s,l),r.requestDataBySN(d,!1,{level:s,reverse:n}),e.info(`request prefetch ${d} level ${s} from peer ${r.remotePeerId} downloadNum ${r.downloadNum} reverse ${n}`);break}u++,d++}}this.loadedPeerNum=a.length}onBufferManagerLost(e,t,r,i){this.currLostSN=e,r&&(this.nextLostSN=r),this.bitset.delete(e,i),this.bitCounts.delete(e,i)}cleanRequestingMap(e){const t=this.peerManager.getPeer(e);if(t)for(let[r,i]of this.requestingMap.internalMap){const s=r.split("-"),n=Number(s[1]),a=Number(s[0]);i.hasPeerId(e)&&(this.logger.info(`delete ${e} in synthesizer`),i.deletePeer(t),this.bitCounts.decre(n,a),t.bitset.delete(n,a))}}shouldWaitForNextSeg(){let e;return e=!this.isUploader&&(!!this.isReceiver||c(0,100)>20),this.isReceiver=this.isUploader=!1,e}updateLoaded(e,t,r){this.bitset.hasCompleteOr(e,t)||(this.bitset.add(e,t,r,qe),this.bitCounts.delete(e,t))}broadcastPlaylist(e,t){if(!this.config.live)return;const r=function(e){const t=e.split("\n");let r=0,i=0;for(let e of t){const t=/^#EXT-X-MEDIA-SEQUENCE:?(\-?[0-9.]*)?/.exec(e);if(t&&t[1]){r=parseInt(t[1],10);break}}for(let e of t)e.startsWith("#EXTINF")&&i++;return r+i-1}(t);if(!this.isMobileNet){let i=0;for(let s of this.getPeers())if(i++,s.sendMsgPlaylist(e,t,r),i>=5)break}this.playlistInfo.set(e,{seq:r})}getPlaylistFromPeer(e){if(!this.config.live)return null;const{seq:t}=this.playlistInfo.get(e);for(let r of this.getPeers()){const i=r.getLatestPlaylist(e,t);if(i)return i}return null}getBufferedDuration(){let{media:e,currentSrc:t}=this.engine;if(!e||e.src!==t&&0===e.currentTime){if(this.logger.info("try get video element"),e=K(this.config.mediaElem,t),!e)return 5;this.engine.media=e}let r=0,i=e.currentTime,s=e.buffered;for(let e=s.length-1;e>=0;e--)if(i>=s.start(e)&&i<=s.end(e)){r=s.end(e)-i;break}return this.mBufferedDuration=r,r>0?r:0}destroy(){super.destroy(),this.requestingMap.clear(),this.segmentBuilderMap.clear()}_notifySynthesizer(e,t,r,i,s,n=!0){const{logger:a}=this,o=this.requestingMap.get(r,i);if(!o)return;const l=o.segId;function h(s,n){n?e.requestDataById(t,r,!0,{level:i,reverse:s}):(a.info(`notify syn prefetch ${r}`),e.requestDataBySN(r,!1,{level:i,reverse:s}))}function u(){return s===Ve||s===qe}function c(){return s===ze||s===qe}t&&l&&t!==l?a.warn(`notifySynthesizer segId ${t} not match ${l}`):o.isFull()||(o.isAlmostDeadline()?a.info("almost deadline, ignored"):o.isEmpty()?o.hasForwardBuffer()&&c()?(o.setReversePeer(e),h(!0,n)):o.hasReverseBuffer()&&u()&&(o.setForwardPeer(e),h(!1,n)):!o.hasForwardPeer()&&u()?(o.setForwardPeer(e),h(!1,n)):!o.hasReversePeer()&&c()&&(o.setReversePeer(e),h(!0,n)))}_setupEngine(){}getStatsForPeer(){const{currentLevel:e,media:t}=this.engine,r={level:e};if(t&&!this.config.live){const{currentTime:e}=t;r.pos=Math.round(e)}return r}_handleSynError(e){switch(e){case ht:this.logger.warn("ERROR_SYN_RANGE_REQUEST"),this.httpRangeErrs++;break;case ut:this.logger.warn("ERROR_SYN_HTTP_TIMEOUT"),this.httpTimeouts+=3}this.httpRangeErrs>=5&&(this.config.httpLoadTime<=4.5&&(this.config.httpLoadTime+=.5),this.httpRangeErrs=0)}}class pt{constructor(t,r,i,s){this.bufferList=[],this.streamListeners=[],this.finished=!1,this.packetSize=o,this.attachments=s%this.packetSize==0?s/this.packetSize:Math.floor(s/this.packetSize)+1,this.pieceMsg={event:e.DC_PIECE,attachments:this.attachments,seg_id:i,sn:t,level:r,size:s,reverse:!1},this.sink=(0,a.l)(0),this.source="HttpStream"}receiveBytes(e,t){e.byteLength&&(this.sink=a.l.concat([this.sink,e]),this.bufferList.push(e),t&&(this.finished=!0),this._notifyStreamListeners(e))}getCompleteBuffer(){return this.sink.buffer}destroy(){this.finished||this._notifyStreamListenersAbort()}addStreamListener(e,t,r){this.streamListeners.push({handler:r,peerId:t})}removeStreamListener(e){this.streamListeners=this.streamListeners.filter((t=>t.peerId!==e||(t.handler(void 0,void 0,!0,"aborted by cancel"),!1)))}_notifyStreamListenersAbort(){for(let e of this.streamListeners){const{handler:t}=e;t(void 0,void 0,!0,"aborted by httpLoader")}this.streamListeners.length=0}_notifyStreamListeners(e){const{sn:t,seg_id:r}=this.pieceMsg;for(let i of this.streamListeners){const{handler:s}=i;s(t,r,!1,e,this.finished)}this.finished&&(this.streamListeners.length=0)}}const vt=class extends gt{constructor(e,t){super(e,t),this.server=t.fetcher,this.p2pEnabled=e.p2pEnabled,this.resolveMap=new Map,this.dcDownloadTimeout=t.live?5:9,this.segmentId=t.segmentId,this.segmentBypass="function"==typeof t.segmentBypass?t.segmentBypass:()=>!1}async handleGetMediaData(e,r){const{logger:i,engine:s}=this;let{url:n,range:a}=e;const o=this._getFrag(n,a);if(!o)return i.warn(`cannot get frag ${n}`),r.postMessage({action:t.SW_GET_MEDIA});if(this.segmentBypass(n,o.tagList))return i.info(`bypass frag ${n}`),r.postMessage({action:t.SW_GET_MEDIA});s.currentLevelIndex=o.level;const{sn:l,level:h}=o,u=this.segmentId(String(h),l,n,a),c=u===this.loadingSegId;c&&i.warn(`duplicate request ${u}`),this.loadingSN=l,s.bufMgr&&(s.bufMgr.loadingSN=l),this.loadingSegId=u;const d=await this.bufMgr.getSegById(u);if(d)return i.info(`bufMgr found seg sn ${l} segId ${u}`),o.loaded=d.data.byteLength,o.fromPeerId=d.fromPeerId,s.emit(t.FRAG_LOADED,{url:n,sn:l,level:h,segId:u,loaded:o.loaded,duration:o.duration,byP2p:!0,fromPeerId:d.fromPeerId}),this._onFragLoaded(n,o),r.postMessage({action:t.SW_GET_MEDIA,data:{url:n,buffer:d.data,incomplete:!1}});const f=this.getBufferedDuration();if(i.info(`handleGetMediaData sn ${l} bufferedDuration ${f}`),this.resolveMap.has(l)||c){let e=this.requestingMap.get(l,h);if(e||c){e&&(i.warn(`${l} is requesting, terminate syn wait for seg`),e.terminate());let s=1e3*(f-this.config.httpLoadTime)+1e3;s<0&&(s=0);let a=setTimeout((()=>{i.info(`notify seg ${l} timeout`),a=-1,r.postMessage({action:t.SW_GET_MEDIA})}),s);this.bufMgr.once(`${t.BM_ADDED_SN_}${l}`,(e=>{a<0||e&&e.level===h&&(clearTimeout(a),i.info(`notify seg ${e.sn}`),r.postMessage({action:t.SW_GET_MEDIA,data:{url:n,buffer:e.data,incomplete:!1}}))}))}else i.warn(`${l} is requesting, fallback`),r.postMessage({action:t.SW_GET_MEDIA})}else if(this.hasAndSetTargetPeer(l,h,u,f)){await this._loadFragByP2p(o,r,l,u,n,h)||r.postMessage({action:t.SW_GET_MEDIA})}else{const e=this.requestingMap.get(l,h);if(this.httpRangeSupported&&e&&e.segId===u&&e.hasPartialBuffer()){i.warn(`syn has partial buffer for ${u}`);const[s,a]=e.getPartialBuffer();r.postMessage({action:t.SW_GET_MEDIA,data:{url:n,bufferLeft:s,bufferRight:a,incomplete:!0,size:e.pieceMsg.size}},[s,a].filter((e=>!!e)).map((e=>e.buffer)))}else r.postMessage({action:t.SW_GET_MEDIA})}}async _loadFragByP2p(e,r,i,s,n,a){const{logger:o}=this;o.info(`p2p load sn ${i} segId ${s} level ${a}`);const l=await this.load(i,s,a);if(l&&(l.data||l.incomplete)){const{data:h,incomplete:u,fromPeerId:c,bufferLeft:d,bufferRight:f,size:g}=l;if(u)o.info(`p2p loaded partial segId ${s} level ${a} size ${g}`),e.loaded=(d?d.byteLength:0)+(f?f.byteLength:0);else{if(o.info(`p2p loaded segId ${s} level ${a} size ${h.byteLength} incomplete ${u}`),!await this.bufMgr.hasSegOfId(s)){const e=new P(i,s,h,c,a);o.info(`bufMgr putSeg ${i} level ${a}`),this.bufMgr.putSeg(e)}e.loaded=h.byteLength}return e.fromPeerId=c,this.engine.emit(t.FRAG_LOADED,{url:n,sn:i,level:a,segId:s,loaded:e.loaded,duration:e.duration,byP2p:!0,fromPeerId:c}),this._onFragLoaded(n,e),r.postMessage({action:t.SW_GET_MEDIA,data:{url:n,buffer:h,bufferLeft:d,bufferRight:f,incomplete:u,size:g}},[d,f].filter((e=>!!e)).map((e=>e.buffer))),!0}o.warn(`P2P timeout load segId ${s}`);const h=await this.bufMgr.getSegById(s);return!!h&&(o.info(`already loaded seg sn ${i} segId ${s}`),r.postMessage({action:t.SW_GET_MEDIA,data:{url:n,buffer:h.data,incomplete:!1}}),!0)}_processStream(e,t,r,i,s){const n=o,{segmentBuilderMap:l}=this,h=new pt(r,i,s,t);h.source="SWHttpStream",l.has(r,i)||l.set(r,i,h);const u=e.getReader();let c=0,d=0,f=(0,a.l)(0);return new Promise(((e,t)=>{const r=()=>{u.read().then((({value:t,done:i})=>{if(t&&(c+=t.length),i){if(f.byteLength>0)if(c<=n){const e=(0,a.l)(c);f.copy(e,0,d*n,f.byteLength),h.receiveBytes(e,!0)}else{const e=v(f,d*n);for(let t=0;t<e.length;t++)h.receiveBytes(e[t],t===e.length-1)}const t=f.buffer;return e(t)}if(f=a.l.concat([f,t]),c>=n){c-=n;const e=(0,a.l)(n);f.copy(e,0,d*n,(d+1)*n),d++,h.receiveBytes(e,!1)}r()})).catch((e=>{t(e)}))};r()}))}async handleMediaData(e,r){r.postMessage({action:t.SW_MEDIA});const{logger:i,engine:s}=this;let{url:n,buffer:a,stream:o,range:l,p2p:h,httpSpeed:u,size:c}=e;if(s.rangeTestUrl===n)return void(s.rangeTestUrl="");i.info(`SW_MEDIA url ${n} size ${c} range ${l} speed ${u}`),u&&this.coordinator.addHttpSpeed(u);const d=this._getFrag(n,l);if(!d)return;if(this.segmentBypass(n,d.tagList))return;const{sn:f,level:g}=d,p=this.segmentId(String(g),f,n,l);if(o){i.info(`got stream ${f}`),this.isMobileNet||this.notifyAllPeers(f,g,p,Ve);try{a=await this._processStream(o,c,f,g,p)}catch(e){return void i.warn(e)}finally{this.segmentBuilderMap.delete(f,g)}}this._handleMediaData(f,g,p,n,d,h,a)}async _handleMediaData(e,r,i,s,n,a,o){if(this.notifyAllPeers(e,r,i),n.segId=i,n.loaded=o.byteLength,this.engine.emit(t.FRAG_LOADED,{url:s,sn:e,level:r,segId:i,loaded:n.loaded,duration:n.duration,byP2p:!1}),this._onFragLoaded(s,n),!await this.bufMgr.hasSegOfId(i)){const t=new P(e,i,o,"",r);this.bufMgr.putSeg(t),this.logger.info(`bufMgr putSeg ${i} level ${r}`);const s=a&&a>0?a:0,n=o.byteLength-s;this.reportTraffic(n,s,0)}}notifySWMessage(e,r,i){switch(e){case t.SW_MEDIA:this.handleMediaData(r,i);break;case t.SW_PRE_MEDIA:this.handlePreMedia(r,i);break;case t.SW_GET_MEDIA:this.server.increMediaRequests(),this.handleGetMediaData(r,i);break;case t.SW_STREAM:this.handleStream(r);break;default:this.logger.warn(`unknown action ${e}`)}}handlePreMedia(e,r){r.postMessage({action:t.SW_PRE_MEDIA})}_getFrag(e,t){return t&&(e=`${e}|${t}`),this.fragMap.get(e)}handleStream(e){const{logger:t,segmentBuilderMap:r}=this;let{url:i,range:s,begin:n,size:a,buffer:o,done:l,aborted:h}=e;const u=this._getFrag(i,s);if(!u)return void t.warn(`handleStream cannot get frag ${i} range ${s}`);const{sn:c,level:d}=u,f=this.segmentId(String(d),c,i,s);if(n){t.info(`got stream ${c}`),this.isMobileNet||this.notifyAllPeers(c,d,f,Ve);const e=new pt(c,d,f,a);e.source="SWStream",r.has(c,d)||r.set(c,d,e)}else{if(h)return void r.delete(c,d);const e=r.get(c,d);if(!e)return;if(e.receiveBytes(o,l),l){const t=e.getCompleteBuffer();this._handleMediaData(c,d,f,i,u,0,t)}}}destroy(){super.destroy(),this.logger.warn("destroy HlsSwScheduler")}_onFragLoaded(e,t){if(this.updateLoaded(t.sn,t.level,t.segId),!this.engine)return;const{media:r,targetDuration:i}=this.engine;!this.config.live&&r&&i&&(this.currPlaySN=Math.ceil(r.currentTime/i))}load(e,t,r){const{logger:i,config:s}=this;this.isReceiver=!0;let n=this.mBufferedDuration-this.config.httpLoadTime;n>this.dcDownloadTimeout&&(n=this.dcDownloadTimeout);const{forwardPeer:a,reversePeer:o}=this.targetPeers;a||o||(n-=1);let l=this.requestingMap.get(e,r),h={allowLoadPartial:this.httpRangeSupported,segId:t};l?l.setExtra(h):(l=new dt(this.coordinator,this.logger,e,r,t,this.httpRangeSupported,h),this._setupSynthesizer(l),this.requestingMap.set(e,r,l)),a&&(l.setForwardPeer(a),a.requestDataById(t,e,!0,{level:r})),o&&(l.setReversePeer(o),o.requestDataById(t,e,!0,{level:r,reverse:!0})),l.isEmpty()&&(n=0),i.info(`syn setTimeout ${n}`),l.setTimeout(1e3*n);const u=new Promise((i=>{const s={resolve:i,sn:e,level:r,segId:t,incomplete:!1};this.resolveMap.set(e,s)}));return this.targetPeers={},u}_setupSynthesizer(e){e.on(t.SYN_OUTPUT,((t,r)=>{const{config:i,logger:s}=this,{segId:n,sn:a,data:o,level:l}=t,{speed:h,http:u,p2p:c}=r;this.httpTimeouts>0&&this.httpTimeouts--;const d=this.resolveMap.has(a);if(i.validateSegment(n,new Uint8Array(o))){this.notifyAllPeers(a,l,n),this.bitset.has(a,l)||this.reportTraffic(u,c,h);const r=e.getFromPeerId();if(d){s.info(`receive criticalSeg seg_id ${n}`);const e=this.resolveMap.get(a);this.resolveMap.delete(a),e.resolve({data:o,fromPeerId:r})}else this.bitset.has(a,l)||(this.bufMgr.putSeg(t),this.updateLoaded(a,l,n))}else if(s.error(`segment ${n} validate failed`),d){const e=this.resolveMap.get(a);this.resolveMap.delete(a),e.resolve()}this.requestingMap.delete(a,l)})).on(t.SYN_PARTIAL,((t,r,i)=>{const{sn:s,level:n,size:a}=t;if(this.httpTimeouts++,this.resolveMap.has(s)){this.resolveMap.get(s).resolve({bufferLeft:r,bufferRight:i,fromPeerId:e.getFromPeerId(),incomplete:!0,size:a}),this.resolveMap.delete(s)}this.requestingMap.delete(s,n)})).on(t.SYN_ERROR,((t,r)=>{const{logger:i}=this,{sn:s,level:n}=t;if(this.resolveMap.has(s)){const e=this.resolveMap.get(s);this.resolveMap.delete(s),e.resolve()}r===ct&&e.hasPartialBuffer()?i.warn("syn abort with partial buffer"):this.requestingMap.delete(s,n)}))}_handleDCHave(e,t,r,i,s){const n=0!==this.resolveMap.size;this._notifySynthesizer(e,i,t,r,s),this.config.live&&!n&&L()((()=>{this.checkPeers()}))}};var mt=function(e,t){return mt=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])},mt(e,t)};function yt(e,t){function r(){this.constructor=e}mt(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)}function Et(e,t){var r="function"==typeof Symbol&&e[Symbol.iterator];if(!r)return e;var i,s,n=r.call(e),a=[];try{for(;(void 0===t||t-- >0)&&!(i=n.next()).done;)a.push(i.value)}catch(e){s={error:e}}finally{try{i&&!i.done&&(r=n.return)&&r.call(n)}finally{if(s)throw s.error}}return a}function St(){for(var e=[],t=0;t<arguments.length;t++)e=e.concat(Et(arguments[t]));return e}var Tt=function(e,t){this.target=t,this.type=e},bt=function(e){function t(t,r){var i=e.call(this,"error",r)||this;return i.message=t.message,i.error=t,i}return yt(t,e),t}(Tt),_t=function(e){function t(t,r,i){void 0===t&&(t=1e3),void 0===r&&(r="");var s=e.call(this,"close",i)||this;return s.wasClean=!0,s.code=t,s.reason=r,s}return yt(t,e),t}(Tt),Lt=function(){if("undefined"!=typeof WebSocket)return WebSocket},At={maxReconnectionDelay:1e4,minReconnectionDelay:1e3+4e3*Math.random(),minUptime:5e3,reconnectionDelayGrowFactor:1.3,connectionTimeout:4e3,maxRetries:1/0,maxEnqueuedMessages:1/0,startClosed:!1,debug:!1};const Dt=function(){function e(e,t,r){var i=this;void 0===r&&(r={}),this._listeners={error:[],message:[],open:[],close:[]},this._retryCount=-1,this._shouldReconnect=!0,this._connectLock=!1,this._binaryType="blob",this._closeCalled=!1,this._messageQueue=[],this.onclose=null,this.onerror=null,this.onmessage=null,this.onopen=null,this._handleOpen=function(e){i._debug("open event");var t=i._options.minUptime,r=void 0===t?At.minUptime:t;clearTimeout(i._connectTimeout),i._uptimeTimeout=setTimeout((function(){return i._acceptOpen()}),r),i._ws.binaryType=i._binaryType,i._messageQueue.forEach((function(e){return i._ws.send(e)})),i._messageQueue=[],i.onopen&&i.onopen(e),i._listeners.open.forEach((function(t){return i._callEventListener(e,t)}))},this._handleMessage=function(e){i._debug("message event"),i.onmessage&&i.onmessage(e),i._listeners.message.forEach((function(t){return i._callEventListener(e,t)}))},this._handleError=function(e){i._debug("error event",e.message),i._disconnect(void 0,"TIMEOUT"===e.message?"timeout":void 0),i.onerror&&i.onerror(e),i._debug("exec error listeners"),i._listeners.error.forEach((function(t){return i._callEventListener(e,t)})),i._connect()},this._handleClose=function(e){i._debug("close event"),i._clearTimeouts(),i._shouldReconnect&&i._connect(),i.onclose&&i.onclose(e),i._listeners.close.forEach((function(t){return i._callEventListener(e,t)}))},this._url=e,this._protocols=t,this._options=r,this._options.startClosed&&(this._shouldReconnect=!1),this._connect()}return Object.defineProperty(e,"CONNECTING",{get:function(){return 0},enumerable:!0,configurable:!0}),Object.defineProperty(e,"OPEN",{get:function(){return 1},enumerable:!0,configurable:!0}),Object.defineProperty(e,"CLOSING",{get:function(){return 2},enumerable:!0,configurable:!0}),Object.defineProperty(e,"CLOSED",{get:function(){return 3},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"CONNECTING",{get:function(){return e.CONNECTING},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"OPEN",{get:function(){return e.OPEN},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"CLOSING",{get:function(){return e.CLOSING},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"CLOSED",{get:function(){return e.CLOSED},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"binaryType",{get:function(){return this._ws?this._ws.binaryType:this._binaryType},set:function(e){this._binaryType=e,this._ws&&(this._ws.binaryType=e)},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"retryCount",{get:function(){return Math.max(this._retryCount,0)},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"bufferedAmount",{get:function(){return this._messageQueue.reduce((function(e,t){return"string"==typeof t?e+=t.length:t instanceof Blob?e+=t.size:e+=t.byteLength,e}),0)+(this._ws?this._ws.bufferedAmount:0)},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"extensions",{get:function(){return this._ws?this._ws.extensions:""},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"protocol",{get:function(){return this._ws?this._ws.protocol:""},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"readyState",{get:function(){return this._ws?this._ws.readyState:this._options.startClosed?e.CLOSED:e.CONNECTING},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"url",{get:function(){return this._ws?this._ws.url:""},enumerable:!0,configurable:!0}),e.prototype.close=function(e,t){void 0===e&&(e=1e3),this._closeCalled=!0,this._shouldReconnect=!1,this._clearTimeouts(),this._ws?this._ws.readyState!==this.CLOSED?this._ws.close(e,t):this._debug("close: already closed"):this._debug("close enqueued: no ws instance")},e.prototype.reconnect=function(e,t){this._shouldReconnect=!0,this._closeCalled=!1,this._retryCount=-1,this._ws&&this._ws.readyState!==this.CLOSED?(this._disconnect(e,t),this._connect()):this._connect()},e.prototype.send=function(e){if(this._ws&&this._ws.readyState===this.OPEN)this._debug("send",e),this._ws.send(e);else{var t=this._options.maxEnqueuedMessages,r=void 0===t?At.maxEnqueuedMessages:t;this._messageQueue.length<r&&(this._debug("enqueue",e),this._messageQueue.push(e))}},e.prototype.addEventListener=function(e,t){this._listeners[e]&&this._listeners[e].push(t)},e.prototype.dispatchEvent=function(e){var t,r,i=this._listeners[e.type];if(i)try{for(var s=function(e){var t="function"==typeof Symbol&&e[Symbol.iterator],r=0;return t?t.call(e):{next:function(){return e&&r>=e.length&&(e=void 0),{value:e&&e[r++],done:!e}}}}(i),n=s.next();!n.done;n=s.next()){var a=n.value;this._callEventListener(e,a)}}catch(e){t={error:e}}finally{try{n&&!n.done&&(r=s.return)&&r.call(s)}finally{if(t)throw t.error}}return!0},e.prototype.removeEventListener=function(e,t){this._listeners[e]&&(this._listeners[e]=this._listeners[e].filter((function(e){return e!==t})))},e.prototype._debug=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];this._options.debug&&console.log.apply(console,St(["RWS>"],e))},e.prototype._getNextDelay=function(){var e=this._options,t=e.reconnectionDelayGrowFactor,r=void 0===t?At.reconnectionDelayGrowFactor:t,i=e.minReconnectionDelay,s=void 0===i?At.minReconnectionDelay:i,n=e.maxReconnectionDelay,a=void 0===n?At.maxReconnectionDelay:n,o=0;return this._retryCount>0&&(o=s*Math.pow(r,this._retryCount-1))>a&&(o=a),this._debug("next delay",o),o},e.prototype._wait=function(){var e=this;return new Promise((function(t){setTimeout(t,e._getNextDelay())}))},e.prototype._getNextUrl=function(e){if("string"==typeof e)return Promise.resolve(e);if("function"==typeof e){var t=e();if("string"==typeof t)return Promise.resolve(t);if(t.then)return t}throw Error("Invalid URL")},e.prototype._connect=function(){var e=this;if(!this._connectLock&&this._shouldReconnect){this._connectLock=!0;var t=this._options,r=t.maxRetries,i=void 0===r?At.maxRetries:r,s=t.connectionTimeout,n=void 0===s?At.connectionTimeout:s,a=t.WebSocket,o=void 0===a?Lt():a;if(this._retryCount>=i)this._debug("max retries reached",this._retryCount,">=",i);else{if(this._retryCount++,this._debug("connect",this._retryCount),this._removeListeners(),void 0===(l=o)||!l||2!==l.CLOSING)throw Error("No valid WebSocket class provided");var l;this._wait().then((function(){return e._getNextUrl(e._url)})).then((function(t){e._closeCalled||(e._debug("connect",{url:t,protocols:e._protocols}),e._ws=e._protocols?new o(t,e._protocols):new o(t),e._ws.binaryType=e._binaryType,e._connectLock=!1,e._addListeners(),e._connectTimeout=setTimeout((function(){return e._handleTimeout()}),n))}))}}},e.prototype._handleTimeout=function(){this._debug("timeout event"),this._handleError(new bt(Error("TIMEOUT"),this))},e.prototype._disconnect=function(e,t){if(void 0===e&&(e=1e3),this._clearTimeouts(),this._ws){this._removeListeners();try{this._ws.close(e,t),this._handleClose(new _t(e,t,this))}catch(e){}}},e.prototype._acceptOpen=function(){this._debug("accept open"),this._retryCount=0},e.prototype._callEventListener=function(e,t){"handleEvent"in t?t.handleEvent(e):t(e)},e.prototype._removeListeners=function(){this._ws&&(this._debug("removeListeners"),this._ws.removeEventListener("open",this._handleOpen),this._ws.removeEventListener("close",this._handleClose),this._ws.removeEventListener("message",this._handleMessage),this._ws.removeEventListener("error",this._handleError))},e.prototype._addListeners=function(){this._ws&&(this._debug("addListeners"),this._ws.addEventListener("open",this._handleOpen),this._ws.addEventListener("close",this._handleClose),this._ws.addEventListener("message",this._handleMessage),this._ws.addEventListener("error",this._handleError))},e.prototype._clearTimeouts=function(){clearTimeout(this._connectTimeout),clearTimeout(this._uptimeTimeout)},e}();class wt extends(n()){constructor(e,t,r,i,s="main"){super(),this.logger=e,this.config=t,this.wsAddr=r,this.serverVersion=0,this.pingInterval=i||60,this._ws=this._init(),this.name=s}_init(){const e={maxRetries:this.config.wsMaxRetries,minReconnectionDelay:c(1e4,6e4),maxReconnectionDelay:6e5,maxEnqueuedMessages:20};let t=new Dt(this.wsAddr,void 0,e);return t.addEventListener("open",(()=>{this.logger.info(`signal ${this.name} ${this.wsAddr} connection opened`),this.onopen&&this.onopen(),this._startPing(this.pingInterval)})),t.push=t.send,t.send=e=>{let r=JSON.stringify(e);t.push(r)},t.addEventListener("message",(e=>{let t=e.data;const r=JSON.parse(t),i=r.action;if("pong"!==i){if("ver"!==i)return"close"===i?(this.logger.warn(`server close signal ${this.name} reason ${r.reason}`),void this.close()):void(this.onmessage&&this.onmessage(r,this.name));this.serverVersion=r.ver}else clearTimeout(this.pongTimer)})),t.addEventListener("close",(e=>{this.logger.warn(`signal ${this.name} ${this.wsAddr} closed ${e.code} ${e.reason}`),this.onclose&&this.onclose(),this._stopPing()})),t.addEventListener("error",(e=>{this.logger.error(`signal ${this.name} ${this.wsAddr} error`),this._stopPing(),this.onerror&&this.onerror(e)})),t}sendSignal(e,t){const r={action:"signal",to_peer_id:e,data:t};this._send(r)}sendReject(e,t,r){const i={action:"reject",to_peer_id:e,reason:t,fatal:r};this._send(i)}_send(e){this._ws&&this._ws.send(e)}_startPing(e=120){this.connected&&(this.pingTimer=setInterval((()=>{this._send({action:"ping"}),this.serverVersion>=22&&this._waitForPong()}),1e3*e))}_waitForPong(){this.pongTimer=setTimeout((()=>{this.logger.warn(`signal ${this.name} wait for pong timeout, reconnect`),this.close(),this.reconnect()}),15e3)}_resetPing(){this._stopPing(),this._startPing(this.pingInterval)}_stopPing(){clearInterval(this.pingTimer),clearTimeout(this.pongTimer),this.pingTimer=null,this.pongTimer=null}close(){this.logger.info(`close signal ${this.name}`),this._stopPing(),(()=>{this._ws&&this._ws.close(1e3,"normal close")})()}reconnect(){this._ws&&(this.logger.info(`reconnect signal ${this.name}`),this._ws.reconnect())}destroy(){this.close(),this._ws=null,this.removeAllListeners()}get connected(){return!!this._ws&&this._ws.readyState===Dt.OPEN}}const It=wt,Pt=class extends(n()){constructor(e,t,r,i){super(),this.logger=e,this.config=t,this.mainAddr=r,this.backupAddr=i,this.mainWS=this._init(r),this.backupTimer=setTimeout((()=>{this.destroyed||(this.backupWS=this._init(i,"backup"))}),900),this._connected=!1,this.destroyed=!1}_init(e,t){if(!e)return null;let r=new It(this.logger,this.config,e,270,t);return r.onopen=()=>{!this._connected&&this.onopen&&(this._connected=!0,this.onopen())},r.onmessage=e=>{this.onmessage&&this.onmessage(e,r.name)},r.onclose=()=>{this._connected&&!this.connected&&this.onclose&&(this._connected=!1,this.onclose())},r.onerror=e=>{this.onerror&&this.onerror(e)},r}sendSignal(e,t,r){if(r){const i=this._getWSByName(r);i&&i.sendSignal(e,t)}else this.mainConnected?this.mainWS.sendSignal(e,t):this.backupConnected?this.backupWS.sendSignal(e,t):this.logger.warn("no signal available")}sendReject(e,t,r,i){if(i){const s=this._getWSByName(i);if(s)return void s.sendReject(e,t,r)}this.mainConnected?this.mainWS.sendReject(e,t,r):this.backupConnected?this.backupWS.sendReject(e,t,r):this.logger.warn("no signal available, send reject failed")}close(){this.mainWS&&this.mainWS.close(),this.backupWS&&this.backupWS.close()}_getWSByName(e){return this.mainWS&&this.mainWS.name===e?this.mainWS:this.backupWS&&this.backupWS.name===e?this.backupWS:null}reconnect(){this.mainWS&&this.mainWS.reconnect(),this.backupWS&&this.backupWS.reconnect()}destroy(){this.close(),clearTimeout(this.backupTimer),this.mainWS=null,this.backupWS=null,this.removeAllListeners(),this.destroyed=!0}get connected(){return this.mainConnected||this.backupConnected}get mainConnected(){return this.mainWS&&this.mainWS.connected}get backupConnected(){return this.backupWS&&this.backupWS.connected}};const Rt=function(e,t,r=40){var i=null,s=!1,n=r;return function(r=!1){if(r)return clearTimeout(i),void(s=!1);s||(s=!0,i=setTimeout((function(){e.call(t,n),s=!1,i=null}),1e3*n),n*=1.1)}};class Ct{constructor(e,t,r=15){this.engine=e,this.config=t,this.trickle=t.waitForPeer,this.poolSize=r,this.pool=[];for(let e=0;e<r;e++)this.pool.push(this._createPeer());this.timer=setTimeout((()=>{this.destroy()}),2e4)}_createPeer(){return new O(this.engine,void 0,void 0,!0,this.config,{trickle:this.trickle})}get size(){return this.pool.length}getPeer(){return 0===this.size?this._createPeer():this.pool.shift()}destroy(){for(let e of this.pool)e.destroy(!0);this.pool=[],clearTimeout(this.timer)}}class kt extends(n()){constructor(e,t,r,i){super(),this.engine=e,this.logger=e.logger,this.config=i,this.connected=!1,this.scheduler=r,this.sequential=this.scheduler.sequential,this.DCMap=new Map,this.failedDCSet=new Set,this.notFoundDCSet=new Set;const s=C().isMobile();this.peerPool=new Ct(e,i,s?10:15),this.signalerWs=null,this.fetcher=t,this.peers=[],this.minConns=5,this.stuns=[],this.requestMorePeers=Rt(this._requestMorePeers,this),this.maxConns=s?13:22,this.maxConnsActive=s?8:12,this.peersIncrement=0,this.gotPeersFromTracker=!1,this.fuseRate=-1,this.overloaded=!1}get totalConns(){return this.scheduler.peersNum+1}resumeP2P(){if(!this.fetcher)return;const{engine:t,config:r,fetcher:i}=this,{btAnnounce:s,btAnnouncePreflight:n}=i,{wsSignalerAddr:a,wifiOnly:o,geoIpPreflight:l,getPeerId:h}=r;(l?n:s).call(i).then((e=>{if(!this.scheduler)return;t.peerId=this.peerId=e.id,this.minConns=e.min_conns;const r=e.peers;this.scheduler.notifyPeersLoaded(r.length),t.netType=i.announceInfo.netType,(e.wifi_only||o)&&t.isMobileNet&&(this.scheduler.downloadOnly=!0,this.logger.info("downloadOnly mode")),e.overload&&(this.overloaded=!0,this.logger.warn("server is overloaded, degrade"));const s=a.main;let n=a.backup;e.signal&&!e.signal2&&(n=void 0),this.signalerWs=this._initSignalerWs(e.signal||s,e.signal2||n,e.token,e.token2),0===r.length?this.requestMorePeers():this.peers=this._filterPeers(r),t.emit("peerId",this.peerId),h&&"function"==typeof h&&h(this.peerId),e.stun&&e.stun.length>0&&(this.stuns=e.stun),e.debug&&this.logger.enableDebug(),e.fuse_rate&&(this.fuseRate=e.fuse_rate),this.logger.info(`announce request response ${JSON.stringify(e,null,2)}`)})).catch((r=>{if("TRACKER_EXPT"===r.code&&t.emit(e.EXCEPTION,r),this.scheduler.notifyPeersLoaded(0),r.retry){const e=c(15e3,4e4);this.logger.warn(`announce retry after ${e}ms`),this.announceTimer=setTimeout((()=>{this.resumeP2P()}),e)}}))}stopP2P(){this.fetcher.postStatsWithBeacon(),this.fetcher.destroy(),this.fetcher=null,this.requestMorePeers(!0),this.scheduler.destroy(),this.scheduler=null,this.signalerWs&&(this.signalerWs.destroy(),this.signalerWs=null),this.peers=[];for(let e of this.DCMap.values())e.destroy(!0);this.DCMap.clear(),this.peerPool.destroy(),this.peerPool=null,this.failedDCSet.clear(),this.notFoundDCSet.clear(),this.logger.warn("tracker stop p2p")}destroy(){this.stopP2P(),this.removeAllListeners(),clearTimeout(this.announceTimer);const{config:e}=this;e.getStats=e.getPeerId=e.getPeersInfo=null,this.logger.warn("destroy tracker")}_filterPeers(e){const t=[],r=[...this.DCMap.keys(),...this.failedDCSet.keys(),this.peerId];return e.filter((e=>!r.includes(e.id))).forEach((e=>{t.push({id:e.id,intermediator:e.intermediator})})),t}_tryConnectToAllPeers(){if(0!==this.peers.length&&this.signalerWs.connected)for(this.logger.info(`try connect to ${this.peers.length} peers`);this.peers.length>0&&!(this.DCMap.size>=this.maxConnsActive);){let e=this.peers.shift();const t=e.intermediator;this.logger.debug(`new DataChannel ${e.id} intermediator ${t}`),this._createDatachannel(e.id,!0,t)}}_setupDC(t){t.on(e.DC_SIGNAL,((e,r)=>{const i=t.remotePeerId;if(t.intermediator){const r=this.DCMap.get(t.intermediator);if(r){if(r.sendMsgSignal(i,this.peerId,e))return;this.logger.warn(`intermediator ${t.intermediator} relay failed`)}}this.signalerWs.sendSignal(i,e,t.signalName)})).on(e.DC_PEER_SIGNAL,(e=>{const r=e.to_peer_id,i=e.from_peer_id,s=e.action;if(r&&i&&s)if(r!==this.peerId){this.logger.info(`relay signal for ${i}`);const n=this.DCMap.get(r);if(n){if("signal"!==s)return void n.sendMsgSignalReject(r,i,e.reason,e.fatal);if(n.sendMsgSignal(r,i,e.data))return}t.sendMsgSignal(i,r)}else"signal"===s?this._handleSignalMsg(i,e,t.remotePeerId):this._handSignalRejected(i,e)})).on(e.DC_GET_PEERS,(()=>{const e=u(),r=this.scheduler.getPeers().filter((e=>e.peersConnected<(e.mobileWeb?13:22)&&!e.super));if(r&&r.length>0){const i=[];r.forEach((r=>{if(r.remotePeerId===t.remotePeerId||r.remotePeerId===this.peerId)return;if(!this.config.live&&(r.currentPos-t.currentPos>600||r.currentPos<t.currentPos))return;e-r.timeJoin>50&&i.push({id:r.remotePeerId})})),this.logger.info(`send ${i.length} peers to ${t.remotePeerId}`),t.sendPeers(i)}})).on(e.DC_PEERS,(e=>{t.gotPeers=!0;const r=e.peers;if(r&&r.length>0&&this.scheduler.peersNum<10){const e=5;this.logger.info(`receive ${r.length} peers from ${t.remotePeerId}`),r.forEach((e=>{e.intermediator=t.remotePeerId})),this.peers=this._filterPeers(r).slice(0,e),this._tryConnectToAllPeers()}})).once(e.DC_ERROR,(e=>{this.logger.info(`datachannel ${t.channelId} failed fatal ${e}`),this.scheduler&&(this.scheduler.deletePeer(t),this._destroyAndDeletePeer(t.remotePeerId,e),this.requestMorePeers(),this.fetcher&&(t.connected||e&&this.fetcher.increFailConns(),e&&this.failedDCSet.add(t.remotePeerId),this._doSignalFusing(this.scheduler.peersNum),this._tryConnectToAllPeers()))})).once(e.DC_TIMEOUT,(()=>{this.notFoundDCSet.add(t.remotePeerId)})).once(e.DC_CLOSE,(e=>{this.logger.info(`datachannel ${t.channelId} closed fatal ${e}`),this.scheduler&&(this.scheduler.deletePeer(t),this._doSignalFusing(this.scheduler.peersNum)),this._destroyAndDeletePeer(t.remotePeerId,e),e&&this.failedDCSet.add(t.remotePeerId),this.requestMorePeers(),this._tryConnectToAllPeers()})).once(e.DC_OPEN,(()=>{t.isInitiator&&this.scheduler.handshakePeer(t)})).once(e.DC_METADATA,(e=>{const{scheduler:r}=this;t.isInitiator||r.handshakePeer(t),r.handleMetaData(t,e);const i=this.DCMap.size>=this.minConns+3;this.requestMorePeers(i),this.peersIncrement++,this._doSignalFusing(r.peersNum+1)}))}_doSignalFusing(e){if(this.fuseRate<=0)return;const t=this.signalerWs.connected;t&&e>=this.fuseRate+2?(this.logger.warn("reach fuseRate, report stats close signaler"),this.totalConns-1>0&&this.fetcher.postStats(),this.signalerWs.close()):!t&&e<this.fuseRate&&(this.logger.warn("low conns, reconnect signaler"),this.signalerWs.reconnect())}_initSignalerWs(t,r,i,s){const n=(e,t)=>{let r=`${e}?id=${this.peerId}&p=web&v=2.7.4`;return t&&(r=`${r}&token=${t}`),r};let a,o=n(t,i);if(!this.overloaded&&r&&r!==t){let e=n(r,s);a=new Pt(this.logger,this.config,o,e)}else a=new It(this.logger,this.config,o,270);return a.onopen=()=>{this.connected=!0,this.engine.emit("serverConnected",!0),this._tryConnectToAllPeers()},a.onmessage=(e,t)=>{let r=e.action;const i=e.from_peer_id;switch(r){case"signal":this._handleSignalMsg(i,e,null,t);break;case"reject":this._handSignalRejected(i,e);break;default:this.logger.warn(`Signal websocket unknown action ${r}`)}},a.onclose=()=>{this.connected=!1,this.engine.emit("serverConnected",!1)},a.onerror=t=>{t.message&&this.engine.emit(e.EXCEPTION,Le()(t,"SIGNAL_EXPT"))},a}_handSignalRejected(e,t){this.logger.warn(`signaling ${e} rejected, reason ${t.reason}`);const r=this.DCMap.get(e);r&&!r.connected&&(r.destroy(t.fatal),this.DCMap.delete(e)),this.requestMorePeers(),t.fatal&&this.failedDCSet.add(e),this._tryConnectToAllPeers()}_handleSignalMsg(e,t,r,i){if(!this.scheduler)return;const{logger:s}=this;if(t.data){if(this.failedDCSet.has(e))return void this._sendSignalReject(e,`peer ${e} in blocked list`,r,i,!0);this._handleSignal(e,t.data,r,i)}else{const t=this.DCMap.get(e);if(!t)return;if(this.signalerWs.backupConnected&&t&&t.signalMsgs.length>0&&"main"===i&&!t.useBackupSignal){t.useBackupSignal=!0,t.signalName="backup",s.warn(`${e} not found from main, try backup signal`);for(let r of t.signalMsgs)this.signalerWs.sendSignal(e,r,"backup");return}if(t.useBackupSignal)return;this._destroyAndDeletePeer(e),s.info(`signaling ${e} not found`);const{scheduler:n}=this;n.waitForPeer&&(n.waitingPeers--,0===n.waitingPeers&&n.notifyPeersLoaded(0)),this.requestMorePeers(),this._tryConnectToAllPeers(),r||this.notFoundDCSet.add(e)}}_handleSignal(e,t,r,i){const s=t.type,{logger:n}=this;let a=this.DCMap.get(e);if(a){if(a.connected)return void n.info("datachannel had connected, signal ignored");if("offer"===s){if(!(this.peerId>e))return void n.warn(`signal type wrong ${s}, ignored`);this._destroyAndDeletePeer(e,!1),n.warn(`signal type wrong ${s}, convert to non initiator`),a=this._createDatachannel(e,!1,r)}}else{if("answer"===s){const t=`signal type wrong ${s}`;return n.warn(t),this._sendSignalReject(e,t,r,i),void this._destroyAndDeletePeer(e,!1)}n.debug(`receive node ${e} connection request`);const t=this.scheduler.peersNum;if(t>=this.maxConns){const s=this.scheduler.getNonactivePeers();if(!(s.length>0)){const t=`peers reach limit ${this.maxConns}`;return n.warn(t),void this._sendSignalReject(e,t,r,i)}{let e=t-this.maxConns+2;for(s.length<e&&(e=s.length);e>0;){const t=s.shift();t&&(n.warn(`close inactive peer ${t.remotePeerId}`),t.close(!1)),e--}}}a=this._createDatachannel(e,!1,r)}i&&(a.signalName=i),a.receiveSignal(t)}_createDatachannel(e,t,r){let i;if(t&&this.peerPool.size>0)i=this.peerPool.getPeer(),this.logger.info(`get peer from pool, signal size ${i.signalMsgs.length}`),i.assignPeerId(this.peerId,e);else{let s=this.config.trickleICE;r||this.overloaded&&(s=!1),i=new O(this.engine,this.peerId,e,t,this.config,{stuns:this.stuns,intermediator:r,trickle:s})}return this.DCMap.set(e,i),this._setupDC(i),i}_sendSignalReject(e,t,r,i,s){if(r){const i=this.DCMap.get(r);if(i&&i.sendMsgSignalReject(e,this.peerId,t,s))return}this.signalerWs.sendReject(e,t,s,i)}_requestMorePeers(e){const{logger:t}=this;t.info(`requestMorePeers after delay ${e}`);const r=this.scheduler.peersNum,i=this.peersIncrement;this.peersIncrement=0,r>=this.minConns||(0===r||i<=3&&!this.gotPeersFromTracker&&!this.overloaded?(this.failedDCSet.size>50&&(this.failedDCSet=new Set([...this.failedDCSet].slice(-50))),this.notFoundDCSet.size>20&&(this.notFoundDCSet=new Set([...this.notFoundDCSet].slice(-20))),this.fetcher.btGetPeers([...this.DCMap.keys(),...this.failedDCSet.keys(),...this.notFoundDCSet.keys()],0===r).then((e=>{t.info(`requestMorePeers resp ${JSON.stringify(e,null,2)}`),this.peers=this._filterPeers(e.peers),this._tryConnectToAllPeers()})).catch((e=>{t.error(`requestMorePeers error ${e}`)})),this.gotPeersFromTracker=!0):r<this.maxConnsActive&&(this.scheduler.requestPeers(),this.gotPeersFromTracker=!1))}_destroyAndDeletePeer(e,t=!0){const r=this.DCMap.get(e);return!!r&&(r.destroy(t),this.DCMap.delete(e),!0)}}const Ot=kt;class Mt extends ne{static get name(){return"HlsSwP2pEngine"}static isServiceWorkerSupported(){return"serviceWorker"in navigator}constructor(e={}){super(e),this.swSupported=isSecureContext,this.levels=[],this.bypassLevels=[],this.currentLevelIndex=0,this.rangeTestUrl="",this.currentSrc="",this.swVersion="",this.media=K(this.config.mediaElem),this.fragMap=new Map,Mt.isServiceWorkerSupported()||(this.swSupported=!1,console.warn("service worker is not supported"));const{channelIdMaker:r,signalId:i,browserInfo:s}=this.setup();this.onLevelLoaded=e=>{const{config:n}=this,a=e.live;n.live=a,this.targetDuration=e.averagetargetduration,this.browserInfo={...s,live:a,abr:this.multiBitrate||void 0,type:"hls_sw"},this.channel=`${r(this.currentSrc)}|${i}[${O.VERSION}]`,this.setupElectron();const o=this.initLogger();o.info("use HlsSwP2pEngine"),o.info(`engine version: ${W.version} hls-proxy version: ${this.swVersion}`),o.info(`channel ${this.channel}`),a||(n.startSN=e.startSN,n.endSN=e.endSN,o.info(`startSN ${e.startSN} endSN ${e.endSN}`));const{controller:l}=navigator.serviceWorker;if(l){if(n.httpStreamEnabled)try{const e=new ReadableStream({start(e){e.enqueue({action:t.STREAM_DETECT})}});l.postMessage(e,[e])}catch(e){}else l.postMessage({action:t.STREAM_DISABLE});n.swStreamEnabled&&l.postMessage({action:t.SW_STREAM_ENABLE})}this._init(this.channel,this.browserInfo),this.off(t.LEVEL_LOADED,this.onLevelLoaded)},this.on(t.LEVEL_LOADED,this.onLevelLoaded),this.onManifestParsed=(e,r)=>{this.multiBitrate=e.length>1,this.currentSrc=r,this.off(t.MANIFEST_PARSED,this.onManifestParsed)},this.on(t.MANIFEST_PARSED,this.onManifestParsed),this.onFragLoaded=({url:e})=>{!this.rangeTested&&this.config.useHttpRange&&(this.rangeTestUrl=e,d(e).then((()=>{this.config.httpRangeSupported=!0,this.config.logger.info("http range is supported")})).catch((()=>{this.config.httpRangeSupported=!1,this.config.logger.warn("http range is not supported")})),this.rangeTested=!0),this.off(t.FRAG_LOADED,this.onFragLoaded)},this.once(t.FRAG_LOADED,this.onFragLoaded),this.swSupported&&(navigator.serviceWorker.onmessage=e=>{const{action:r,data:i}=e.data,s=e.ports[0];if(r!==t.SW_STREAM&&(this.logger&&this.logger.info(`engine onmessage action ${r}`),s.postMessage({action:r,pong:!0})),!this.p2pEnabled||!i)return s.postMessage({action:r});switch(r){case t.SW_PLAYLIST:this.handlePlaylist(i,s);break;case t.SW_GET_PLAYLIST:this.handleGetPlaylist(i,s);break;default:if(!this.config.scheduler)return s.postMessage({action:r});this.config.scheduler.notifySWMessage(r,i,s)}}),this.config.swAutoRegister&&this.registerServiceWorker().then((function(e){})).catch((e=>{console.warn("ServiceWorker registration failed ",e)}))}get currentLevel(){return this.currentLevelIndex}watchRebuffering(e){this.offEventRebuffer=function(e,t){let r=null;const i=()=>{r||(r=setTimeout((()=>{t()}),2500))},s=()=>{null!=r&&(clearTimeout(r),r=null)};return e.addEventListener("waiting",i),e.addEventListener("playing",s),()=>{e.removeEventListener("waiting",i),e.removeEventListener("playing",s)}}(e,(()=>{this.fetcher&&this.fetcher.increRebuffers()}))}handlePlaylist(e,r){const{config:i,logger:s}=this,{url:n,redirectedUrl:a,text:o,ver:l}=e;if(this.swVersion=l,0!==o.indexOf("#EXTM3U")||this.bypassLevels.indexOf(n)>=0)return console.warn("no EXTM3U delimiter or bypass audio track"),r.postMessage({action:t.SW_PLAYLIST});r.postMessage({action:t.SW_PLAYLIST,data:{active:!0,debug:s&&s.isDebugLevel,sharePlaylist:!!i.sharePlaylist}}),this._parsePlaylist(o,n.split("?")[0],a)}_parsePlaylist(e,r,i){const s=r;i&&(r=i);const{config:n,logger:a}=this;if(e.indexOf("#EXTINF:")>0||e.indexOf("#EXT-X-TARGETDURATION:")>0){let i=0;const a=Ee.parseLevelPlaylist(e,r);this.levels.length>1?(i=this.levels.indexOf(a.url),-1===i?(this.restartP2p(),this.currentSrc=s,i=0):this.currentLevelIndex=i):(""!==this.currentSrc&&s!==this.currentSrc&&this.restartP2p(),this.currentSrc=s,this.levels=[r]),this.emit(t.LEVEL_LOADED,a),n.live&&function(e,t){if(e.size<=t)return;const r=[...e.keys()];do{e.delete(r.shift())}while(e.size>t)}(this.fragMap,200),a.fragments.forEach((e=>{e.level=i;let t=b().buildAbsoluteURL(e.baseurl,e.relurl,{alwaysNormalize:!0});const r=e.byteRange;2===r.length&&(t=`${t}|bytes=${r[0]}-${r[1]-1}`),this.fragMap.set(t,e)})),n.sharePlaylist&&n.scheduler&&!n.scheduler.isMobileNet&&n.scheduler.broadcastPlaylist(r.split("?")[0],e)}else{const i=Ee.parseMasterPlaylist(e,r);if(""!==this.currentSrc&&this.restartP2p(),i.length>0){i.sort(((e,t)=>e.bitrate-t.bitrate)),this.levels=i.map((e=>e.url));const t=i.map((e=>({id:e.attrs.AUDIO,codec:e.audioCodec})));Ee.parseMasterPlaylistMedia(e,r,"AUDIO",t).forEach((e=>{e.url&&this.bypassLevels.push(e.url)}))}this.emit(t.MANIFEST_PARSED,i,s)}}handleGetPlaylist(e,r){const{config:i,logger:s}=this;if(!s)return r.postMessage({action:t.SW_GET_PLAYLIST});const{scheduler:n}=i;if(!n)return void s.warn("scheduler not found");const{url:a}=e,o=a.split("?")[0];if(n.playlistInfo.has(o)){const e=n.getPlaylistFromPeer(o);if(e&&e.data){const{data:i,seq:n}=e;return s.info(`got playlist from peer seq ${n}`),r.postMessage({action:t.SW_GET_PLAYLIST,data:{text:i}}),void this._parsePlaylist(i,a.split("?")[0])}}return r.postMessage({action:t.SW_GET_PLAYLIST})}async registerServiceWorker(){const{logger:e,config:t}=this;if(!this.swSupported){let e="sw is not supported";return p||(e="https is required when using ServiceWorker",console.warn(e)),Promise.reject(e)}this.media=K(t.mediaElem),this.media||e&&e.warn("no video element found");const{serviceWorker:r}=navigator;return r.getRegistration(t.swFile).then((e=>e||r.register(t.swFile,{scope:t.swScope}).then((e=>{const t=e.installing||e.waiting;return e.active?e:new Promise(((r,i)=>{const s=()=>{"activated"===t.state?(t.removeEventListener("statechange",s),r(e)):"redundant"===t.state&&i("sw is redundant")};t.addEventListener("statechange",s)}))}))))}unregisterServiceWorker(){const{config:e}=this,t="serviceWorker is not registered";return new Promise(((r,i)=>{const{serviceWorker:s}=navigator;s||i(t),s.getRegistration(e.swFile).then((e=>{e?e.unregister().then((()=>{r()})).catch((()=>{i(t)})):i(t)}))}))}async _init(e,t){if(!this.p2pEnabled)return;const{logger:r}=this;try{await this.initSegmentManager()}catch(e){return void(r&&r.error(e))}t.live||(t.tag=this.getTagForVod());let i=new We(this,this.config.token,encodeURIComponent(e),this.config.announce||"",t);this.fetcher=i,this.config.fetcher=i;const s=setInterval((()=>{this.media?(clearInterval(s),this.watchRebuffering(this.media)):this.media=K(this.config.mediaElem)}),3e3);let n=new vt(this,this.config);n.bufferManager=this.bufMgr,n.fragMap=this.fragMap,this.tracker=new Ot(this,i,n,this.config),this.config.scheduler=this.tracker.scheduler,this.p2pEnabled&&!this.tracker.connected&&this.tracker.resumeP2P(),this.setupWindowListeners()}restartP2p(){this.logger&&this.logger.warn("restart P2P"),this.disableP2P(),this.enableP2P(),this.on(t.LEVEL_LOADED,this.onLevelLoaded),this.on(t.MANIFEST_PARSED,this.onManifestParsed),this.on(t.FRAG_LOADED,this.onFragLoaded)}enableP2P(){return this.p2pEnabled?null:(this.logger&&this.logger.info("enable P2P"),this.config.p2pEnabled=this.p2pEnabled=!0,this)}disableP2P(){this.logger&&this.logger.warn("disable P2P"),this.offEventRebuffer&&this.offEventRebuffer(),this.p2pEnabled&&(this.config.p2pEnabled=this.p2pEnabled=!1,this.tracker&&this.tracker instanceof Ot&&(this.tracker.stopP2P(),this.tracker={},this.fetcher=null,this.bufMgr.destroy(),this.bufMgr=null)),this.levels=[],this.currentLevelIndex=0,this.lastLevel=0,this.multiBitrate=!1,this.rangeTested=!1,this.rangeTestUrl="",this.currentSrc="",this.media=void 0,this.config.live=!1,this.removeAllListeners(t.MANIFEST_PARSED),this.removeAllListeners(t.LEVEL_LOADED)}}const xt=Mt;function Ft(e,t,r="main"){const i=b().parseURL(e),s=i.path.substring(i.path.lastIndexOf(".")+1);return-1!==t.indexOf(s)||"main"!==r}function Nt(){const e=performance.now();return{trequest:e,tfirst:0,tload:0,aborted:!1,loaded:0,retry:0,total:0,chunkCount:0,bwEstimate:0,loading:{start:e,first:0,end:0},parsing:{start:0,end:0},buffering:{start:0,first:0,end:0}}}function Bt(e,t){let r,i,s,n,a;const o=performance.now();r=o-300,i=o-200,s=o,e.trequest=r,e.tfirst=i,e.tload=s,e.loading={first:r,start:i,end:s},n=a=t,e.loaded=n,e.total=a}class Ut extends(n()){constructor(){super(),this.UNSENT=0,this.OPENED=1,this.HEADERS_RECEIVED=2,this.LOADING=3,this.DONE=4,this.timeout=0,this.withCredentials=!1,this.status=0,this.readyState=this.UNSENT,this.headers=new Map,this.responseHeaders=null,this.on("load",(e=>{this.onload&&this.onload(e)})),this.on("abort",(e=>{this.onabort&&this.onabort(e)})),this.on("error",(e=>{this.onerror&&this.onerror(e)})),this.on("loadstart",(e=>{this.onloadstart&&this.onloadstart(e)})),this.on("progress",(e=>{this.onprogress&&this.onprogress(e)})),this.on("timeout",(e=>{this.ontimeout&&this.ontimeout(e)})),this.on("loadend",(e=>{this.onloadend&&this.onloadend(e)})),this.on("readystatechange",(()=>{this.onreadystatechange&&this.onreadystatechange()}))}setRequestHeader(e,t){this.headers.set(e,t)}addEventListener(e,t){this.addListener(e,t)}removeEventListener(e,t){this.removeListener(e,t)}overrideMimeType(){}getAllResponseHeaders(){if(!this.responseHeaders)return null;let e="";return this.responseHeaders.forEach(((t,r)=>{e+=`${r}: ${t}\n`})),e}getResponseHeader(e){return this.responseHeaders?this.responseHeaders.get(e):null}open(){this.readyState=this.OPENED,this.emit("loadstart")}abort(){this.readyState=this.DONE,this.status=0}send(){}_emitEvent(e){this.emit(e,new ProgressEvent(e))}}class Gt{constructor(e){this.fetchSetup=e.fetchSetup||jt,this.xhrSetup=e.xhrSetup,this.controller=new window.AbortController,this.stats=Nt(),this.packetSize=o,this.fakeXhr=new Ut}destroy(){this.loader=this.callbacks=null,this.abortInternal()}abortInternal(){const e=this.response;e&&e.ok||(this.stats.aborted=!0,this.callbacks&&this.callbacks.onUpdate&&this.callbacks.onUpdate(void 0,!1,!0),this.controller.abort())}abort(){this.abortInternal(),this.callbacks&&this.callbacks.onAbort&&this.callbacks.onAbort(this.stats,this.context,this.response)}load(e,t,r){const i=this.stats;i.trequest=i.loading.start=performance.now();let s=function(e,t){const r={method:"GET",mode:"cors",credentials:"same-origin",signal:t,headers:new window.Headers(Object.assign({},e.headers))};e.rangeEnd&&r.headers.set("Range","bytes="+e.rangeStart+"-"+String(e.rangeEnd-1));return r}(e,this.controller.signal);const n="arraybuffer"===e.responseType,a=n?"byteLength":"length",o=r.onUpdate,l=r.onBodyStart;this.context=e,this.config=t,this.callbacks=r,this.xhrSetup&&(this.xhrSetup(this.fakeXhr,e.url),s=function(e,t){e.withCredentials&&(t.credentials="include");for(let[r,i]of e.headers)t.headers.set(r,i);return t}(this.fakeXhr,s)),this.request=this.fetchSetup(e,s),clearTimeout(this.requestTimeout),this.requestTimeout=setTimeout((()=>{this.abortInternal(),this.fakeXhr._emitEvent("timeout"),this.fakeXhr._emitEvent("loadend"),r.onTimeout(i,e,this.response)}),this.fakeXhr.timeout||t.timeout);const{fakeXhr:h}=this;h.readyState=h.OPENED,h.emit("readystatechange"),h._emitEvent("loadstart"),fetch(this.request).then((t=>{if(this.response=this.loader=t,!t.ok){const{status:e,statusText:r}=t;throw o&&o(void 0,!1,!0),new Ht(r||"fetch, bad network response",e,t)}i.tfirst=i.loading.first=Math.max(performance.now(),i.loading.start),i.total=parseInt(t.headers.get("Content-Length")||"0");const{fakeXhr:r}=this;return r.readyState=r.HEADERS_RECEIVED,r.responseHeaders=t.headers,r.emit("readystatechange"),o&&"0"!==i.total?(l&&l(i.total),this.loadProgressively(t,i,e,o)):(r.emit("progress",new ProgressEvent("progress",{lengthComputable:!1})),n?t.arrayBuffer():t.text())})).then((t=>{const{response:s}=this;clearTimeout(this.requestTimeout),i.tload=i.loading.end=Math.max(performance.now(),i.loading.first),i.loaded=i.total=t[a];const n={url:s.url,data:t};r.onProgress(i,e,t,s),r.onSuccess(n,i,e,s)})).catch((t=>{if(clearTimeout(this.requestTimeout),i.aborted)return;o&&o(void 0,!1,!0);const s=t&&t.code||0,n=t?t.message:null;r.onError({code:s,text:n},e,t?t.details:null)}))}loadProgressively(e,t,r,i){const s=e.body.getReader();let n=0,o=0,l=(0,a.l)(0);const h=()=>s.read().then((({value:r,done:s})=>{const{fakeXhr:u}=this;if(u.readyState!==u.LOADING&&(u.readyState=u.LOADING,u.emit("readystatechange")),r&&(n+=r.length),s){if(l.byteLength>0)if(n<=this.packetSize){const e=(0,a.l)(n);l.copy(e,0,o*this.packetSize,l.byteLength),i(e,!0)}else{const e=v(l,o*this.packetSize);for(let t=0;t<e.length;t++)i(e[t],t===e.length-1)}const t=l.buffer,{fakeXhr:r}=this,{status:s,statusText:h,url:u}=e;return r.readyState=r.DONE,r.responseText=s,r.status=h,r.responseURL=u,r.responseType="arraybuffer",r.response=t,r.emit("readystatechange"),r._emitEvent("load"),r._emitEvent("loadend"),Promise.resolve(t)}if(t.loaded+=r.length,u.emit("progress",new ProgressEvent("progress",{lengthComputable:!0,loaded:t.loaded,total:t.total})),l=a.l.concat([l,r]),n>=this.packetSize){n-=this.packetSize;const e=(0,a.l)(this.packetSize);l.copy(e,0,o*this.packetSize,(o+1)*this.packetSize),o++,i(e,!1)}return h()})).catch((()=>(this.fakeXhr._emitEvent("abort"),this.fakeXhr._emitEvent("loadend"),Promise.reject())));return h()}}function jt(e,t){return new window.Request(e.url,t)}class Ht extends Error{constructor(e,t,r){super(e),this.code=t,this.details=r}}const $t=class extends gt{constructor(e,t){super(e,t),this.isHlsjs=!0,this.waitForPeer=t.waitForPeer||!1,this.waitForPeerTimeout=t.waitForPeerTimeout,this.waitingPeers=0,this.waitingSeg={}}startWaitPeerTimer(){this.waitForPeer&&(this.waitForPeerTimer=setTimeout((()=>{this.waitForPeer&&(this.waitForPeer=!1,this.emit(t.SCH_WAIT_PEER))}),1e3*(this.waitForPeerTimeout+0)))}updatePlaySN(e){this.currPlaySN=e}load(e,t,r){this.isReceiver=!0;const{logger:i,config:s}=this;this.context=e;const{rangeStart:n,rangeEnd:a,url:o}=e,l=e.frag,{segId:h,sn:u,level:c}=l;this.callbacks=r,this.stats=Nt(),this.criticalSeg={sn:u,level:c,segId:h};let d=this.mBufferedDuration-s.httpLoadTime;d>this.dcDownloadTimeout&&(d=this.dcDownloadTimeout);const{forwardPeer:f,reversePeer:g}=this.targetPeers;f||g||(d-=1);let p=this.requestingMap.get(u,c);const v={rangeStart:Number(n),rangeEnd:Number(a),url:o,httpLoadTime:1e3*s.httpLoadTime-500,xhrSetup:s.xhrSetup,segId:h};p?p.setExtra(v):(p=new dt(this.coordinator,this.logger,u,c,h,this.httpRangeSupported,v),this._setupSynthesizer(p),this.requestingMap.set(u,c,p)),f&&(p.setForwardPeer(f),f.requestDataById(h,u,!0,{level:c})),g&&(p.setReversePeer(g),g.requestDataById(h,u,!0,{level:c,reverse:!0})),p.isEmpty()&&(d=0),i.info(`syn setTimeout ${d}`),p.setTimeout(1e3*d),this.targetPeers={}}waitPeerNotifier(){return new Promise((e=>{this.waitForPeer||e(),setTimeout(e,1e3*this.waitForPeerTimeout),this.once(t.SCH_WAIT_PEER,e)}))}addPeer(e){if(super.addPeer(e),this.waitForPeer){const{level:r,sn:i}=this.waitingSeg,s=e.remotePeerId;e.bitset.has(i,r)?(this.logger.info(`found initial seg ${r}-${i} from peer ${s}`),this.emit(t.SCH_WAIT_PEER)):this.waitingPeers===this.peersNum&&this.emit(t.SCH_WAIT_PEER)}}notifyPeersLoaded(e){this.logger.info(`notifyPeersLoaded ${e}`),this.waitForPeer&&(0===e?(this.waitForPeer=!1,this.emit(t.SCH_WAIT_PEER)):this.waitingPeers=e)}destroy(){super.destroy(),this.logger.warn("destroy HlsjsScheduler"),clearTimeout(this.waitForPeerTimer)}_setupDC(e){super._setupDC(e)}_setupSynthesizer(e){e.on(t.SYN_OUTPUT,((t,r)=>{const{config:i,logger:s}=this,{segId:n,sn:a,data:o,level:l}=t,{speed:h,http:u,p2p:c}=r;u>0?this.httpTimeouts++:this.httpTimeouts>0&&this.httpTimeouts--;const d=this.criticalSeg&&this.criticalSeg.segId===n;if(i.validateSegment(n,new Uint8Array(o))){this.notifyAllPeers(a,l,n),this.bitset.has(a,l)||this.reportTraffic(u,c,h);const r=e.getFromPeerId();if(d){s.info(`receive criticalSeg seg_id ${n}`);let e=this.stats;e.tfirst=e.loading.first=Math.max(e.trequest,performance.now()),e.tload=e.loading.end=e.tfirst,e.loaded=e.total=o.byteLength,this.criticalSeg=null;const{frag:t}=this.context;t.fromPeerId=r,t.loadByP2P=!0,this.callbacks.onSuccess({data:o,url:this.context.url},e,this.context)}else this.bitset.has(a,l)||(this.bufMgr.putSeg(t),this.updateLoaded(a,l,n))}else s.error(`segment ${n} validate failed`),d&&this.callbacks.onTimeout(this.stats,this.context,null);this.requestingMap.delete(a,l),i.live&&!this.criticalSeg&&this.checkPeers()})).on(t.SYN_ERROR,((t,r)=>{const{logger:i}=this,{sn:s,level:n}=t;i.warn(`SYN_ERROR loading ${s} code ${r}`),this.criticalSeg&&this.criticalSeg.sn===s&&(this.criticalSeg=null,this.callbacks.onTimeout(this.stats,this.context,null)),r===ct&&e.hasPartialBuffer()?i.warn("syn abort with partial buffer"):(this.requestingMap.delete(s,n),this._handleSynError(r))}))}_setupEngine(){super._setupEngine(),this.engine.on(t.FRAG_LOADING,(({sn:e,segId:t,byHttp:r,level:i})=>{this.loadingSN=e,this.loadingSegId=t})).on(t.FRAG_LOADED,(({sn:e,segId:t,byP2p:r,level:i})=>{this.requestingMap.delete(e,i),this.updateLoaded(e,i,t)})).on(t.FRAG_CHANGED,(({sn:e})=>{this.updatePlaySN(e)}))}_handleDCHave(e,t,r,i,s){this._notifySynthesizer(e,i,t,r,s),this.config.live&&!this.criticalSeg&&L()((()=>{this.checkPeers()}))}};const Wt=class extends ne{static get name(){return"HlsjsP2pEngine"}constructor(e,t={}){if(super(t),!e)throw new TypeError("hlsjs instance is null");this.hlsjs=e,this.HLSEvents=e.constructor.Events,this.config.isHlsV0="0"===e.constructor.version.split(".")[0],this.config.xhrSetup=e.config.xhrSetup,!0===this.config.httpStreamEnabled&&(e.config.streamEnabled=function(){if(window.fetch&&window.AbortController&&window.ReadableStream&&window.Request)try{return new window.ReadableStream({}),!0}catch(e){}return!1}());const{channelIdMaker:r,signalId:i,browserInfo:s}=this.setup();e.config.segmentId=this.config.segmentId,this.config.waitForPeer&&this.config.sourceUrl?(this.config.trickleICE=!0,this.config.httpRangeSupported=!0,this._startEngine(this.config.sourceUrl,this.config.live,s,r,i)):this.config.waitForPeer=!1;const n=(t,a)=>{if(!a)return;const{config:o}=this,l=a.details,h=l.live;this.config.waitForPeer?this.tracker&&this.tracker.scheduler.startWaitPeerTimer():this._startEngine(this.hlsjs.url,h,s,r,i,l),o.waitForPeer&&this.logger.info("waitForPeer mode"),e.off(this.HLSEvents.LEVEL_LOADED,n)};e.on(this.HLSEvents.LEVEL_LOADED,n);const a=(t,r)=>{const i=r.levels.length;this.multiBitrate=i>1,e.off(this.HLSEvents.MANIFEST_PARSED,a)};e.on(this.HLSEvents.MANIFEST_PARSED,a),e.on(this.HLSEvents.DESTROYING,(()=>{this.destroy()}))}_startEngine(e,t,r,i,s,n={}){const{config:a}=this;a.live=this.hlsjs.config.live=t,this.browserInfo={...r,live:t,abr:this.multiBitrate||void 0,type:"hls"},this.channel=`${i(e)}|${s}[${O.VERSION}]`,this.setupElectron();const o=this.initLogger();o.info("use HlsjsP2pEngine"),this.logger=this.hlsjs.config.logger=o,o.info(`channel ${this.channel}`),t||(a.startSN=n.startSN,a.endSN=n.endSN,o.info(`startSN ${n.startSN} endSN ${n.endSN}`)),this.eventListened=!1,this._init(this.channel,this.browserInfo)}async _init(e,r){const{logger:i,config:s}=this;if(!this.p2pEnabled)return;this.hlsjs.config.p2pEnabled=this.p2pEnabled,this.hlsjs.config.sharePlaylist=s.sharePlaylist,r.live||(r.tag=this.getTagForVod()),this.media=this.hlsjs.media,this.media&&(this.currentSrc=this.media.src);let a=new We(this,s.token,encodeURIComponent(e),s.announce||"",r);this.fetcher=a;const o=new $t(this,s);this.tracker=new Ot(this,a,o,s);try{await this.initSegmentManager()}catch(e){return void i.error(e)}this.hlsjs.config.bufMgr=this.bufMgr,o.bufferManager=this.bufMgr,this.hlsjs.config.fLoader=function(e,r,i,s,a){return class extends(n()){constructor(t){super(),this.logger=t.logger,this.isHlsV0=s,this.bufMgr=t.bufMgr,this.streamEnabled=t.streamEnabled,this.httpLoader=this.streamEnabled?new Gt(t):new t.loader(t),this.p2pEnabled=t.p2pEnabled,this.isLive=t.live,this.scheduler=e,this.fetcher=r,this.segmentId=t.segmentId,this.blockTypes=i,this.forbidden=r.forbidden,this.stats=this.httpLoader.stats||Nt(),this.enableWorker=t.enableWorker,this.segmentBypass="function"==typeof a?a:()=>!1}destroy(){this.httpLoader.destroy()}abort(){this.httpLoader.abort()}async load(e,r,i){const{logger:s,scheduler:n}=this,a=e.frag;this.isHlsV0||(a.stats=this.stats);let o=e.frag.segId;if(!o){let t;e.rangeEnd&&(t="bytes="+e.rangeStart+"-"+(e.rangeEnd-1)),o=e.frag.segId=this.segmentId(String(a.level),a.sn,a.url,t)}if(!a.url||Ft(a.url,this.blockTypes,a.type)||this.segmentBypass(a.url,a.tagList))return s.info(`HTTP load blockType ${a.url}`),e.frag.loadByHTTP=!0,this.httpLoader.load(e,r,i);if(this.forbidden)return;this.fetcher.increMediaRequests(),r.maxRetry=2;const l=n.getBufferedDuration(),h=await this.bufMgr.getSegById(o);if(this.p2pEnabled&&h){s.info(`bufMgr found seg sn ${a.sn} segId ${o} level ${a.level}`);let t=g(h.data).buffer,r={url:e.url,data:t};return Bt(this.stats,h.size),a.loaded=h.size,a.loadByP2P=!0,e.frag.fromPeerId=h.fromPeerId,void L()((()=>{!this.isHlsV0&&i.onProgress&&i.onProgress(this.stats,e,r.data),i.onSuccess(r,this.stats,e)}))}if(this.p2pEnabled&&n.hasAndSetTargetPeer(a.sn,a.level,a.segId,l))this.loadFragByP2p(e,r,i,o);else if(n.waitForPeer&&(s.warn("waitPeerNotifier start"),n.waitingSeg={sn:a.sn,level:a.level},await n.waitPeerNotifier(),s.warn("waitPeerNotifier end"),this.p2pEnabled&&n.hasAndSetTargetPeer(a.sn,a.level,a.segId,l)))this.loadFragByP2p(e,r,i,o);else if(s.info(`fragLoader load ${o} at ${a.sn} level ${a.level} buffered ${1e3*l}`),this.isLive&&n.hasIdlePeers&&l>7&&n.shouldWaitForNextSeg()){let h=l-7;h>4.5&&(h=4.5);const u=s=>{s===o&&(n.off(t.SCH_DCHAVE,u),clearTimeout(this.waitTimer),n.hasAndSetTargetPeer(a.sn,a.level,a.segId,l)?this.loadFragByP2p(e,r,i,o):this.loadFragByHttp(e,r,i,o))};s.info(`wait peer have for ${h}s`),n.on(t.SCH_DCHAVE,u),this.waitTimer=setTimeout((()=>{this.loadFragByHttp(e,r,i,o),n.off(t.SCH_DCHAVE,u)}),1e3*h)}else{const t=n.requestingMap.get(a.sn,a.level);n.httpRangeSupported&&t&&t.segId===a.segId&&t.hasPartialBuffer()?(s.warn(`syn has partial buffer for ${a.segId}`),this.loadFragByP2p(e,r,i,o)):this.loadFragByHttp(e,r,i,o)}}loadFragByHttp(e,t,r,i){const{logger:s,scheduler:n}=this,{segmentBuilderMap:a}=n;n.isReceiver=!1;const o=e.frag,{sn:l,level:h}=o;if(this.streamEnabled){let e;n.isMobileNet||n.notifyAllPeers(l,h,i,Ve),r.onUpdate=(t,r,i)=>{i?a.delete(l,h):e&&e.receiveBytes(t,r)},r.onBodyStart=t=>{!e&&t>0&&(e=new pt(l,h,i,t),a.has(l,h)||a.set(l,h,e))}}const u=r.onSuccess;r.onSuccess=async(e,t,r)=>{if(!await this.bufMgr.hasSegOfId(i)){const t=g(e.data).buffer,r=new P(l,i,t,this.fetcher.peerId,h);this.bufMgr.putSeg(r)}a.delete(l,h),this.fetcher.reportFlow(t.total);let o=t.tload-t.trequest;s.info(`HTTP loaded ${i} time ${o}`),n.notifyAllPeers(l,h,i),u(e,t,r)};const c=r.onProgress;r.onProgress=(e,t,r)=>{o.loaded=e.total,c(e,t,r&&this.enableWorker?g(r).buffer:r)},e.frag.loadByHTTP=!0,this.httpLoader.load(e,t,r)}loadFragByP2p(e,t,r,i){const{logger:s}=this,n=e.frag;this.scheduler.load(e,t,r);const a=r.onSuccess,o=r.onTimeout;r.onTimeout=(e,l)=>{s.warn(`P2P timeout switched to HTTP load ${n.relurl} at ${n.sn}`),r.onSuccess=a,this.loadFragByHttp(l,t,r,i),r.onTimeout=o},r.onSuccess=async(e,t,o)=>{if(!await this.bufMgr.hasSegOfId(i)){const t=g(e.data).buffer,r=new P(n.sn,i,t,n.fromPeerId||this.fetcher.peerId,n.level);this.bufMgr.putSeg(r)}n.loadByP2P||this.fetcher.reportFlow(t.total),n.loaded=t.loaded,s.info(`${n.loadByP2P?"P2P":"HTTP"} loaded segment id ${i}`),!this.isHlsV0&&r.onProgress&&r.onProgress(t,o,e.data),a(e,t,o)}}}}(o,a,s.p2pBlackList,s.isHlsV0,s.segmentBypass),s.sharePlaylist&&(this.hlsjs.config.pLoader=function(e){return class extends(n()){constructor(t){super(),this.logger=t.logger,this.isHlsV0=t.isHlsV0,this.xhrLoader=new t.loader(t),this.p2pEnabled=t.p2pEnabled,this.scheduler=e,this.stats=this.xhrLoader.stats||Nt()}destroy(){this.xhrLoader.destroy()}abort(){this.xhrLoader.abort()}load(e,t,r){const{logger:i}=this,{url:s}=e,n=s.split("?")[0],a=r.onSuccess;if(r.onSuccess=(e,t,r)=>{this.scheduler&&this.scheduler.broadcastPlaylist(n,e.data),a(e,t,r)},this.scheduler&&this.scheduler.playlistInfo.has(n)){const t=this.scheduler.getPlaylistFromPeer(n);if(t&&t.data){const{data:n,seq:a}=t;i.info(`got playlist from peer seq ${a}`),Bt(this.stats,n.length);let o={url:s,data:n};return void L()((()=>{r.onSuccess(o,this.stats,e)}))}}this.xhrLoader.load(e,t,r)}}}(o)),this.trackerTried=!1,this.eventListened||(this.hlsjs.on(this.HLSEvents.FRAG_LOADING,this._onFragLoading.bind(this)),this.hlsjs.on(this.HLSEvents.FRAG_LOADED,this._onFragLoaded.bind(this)),this.hlsjs.on(this.HLSEvents.FRAG_CHANGED,this._onFragChanged.bind(this)),this.hlsjs.on(this.HLSEvents.ERROR,this._onHlsError.bind(this)),this.eventListened=!0),this.setupWindowListeners(),this.trackerTried||this.tracker.connected||!s.p2pEnabled||(this.tracker.resumeP2P(),this.trackerTried=!0)}_onFragLoading(e,r){const i=r.frag;let{sn:s,level:n,segId:a}=i;if(!Ft(i.url,this.config.p2pBlackList,i.type)){if(this.logger.debug("loading frag "+s),this.bufMgr&&(this.bufMgr.loadingSN=s),!a){let e;i._byteRange&&(e="bytes="+i._byteRange[0]+"-"+i._byteRange[1]);let t=i.url;a=i.segId=this.config.segmentId(String(n),i.sn,t,e)}this.emit(t.FRAG_LOADING,{sn:s,segId:a,byHttp:i.loadByHTTP,level:n})}}_onFragLoaded(e,r){const{frag:i}=r,{sn:s,segId:n,loaded:a,duration:o,level:l,fromPeerId:h,loadByP2P:u,url:c}=i,{config:f,logger:g}=this;Ft(i.url,f.p2pBlackList,i.type)||(this.emit(t.FRAG_LOADED,{url:c,sn:s,level:l,segId:n,loaded:a,duration:o,byP2p:!!u,fromPeerId:h}),!this.rangeTested&&f.useHttpRange&&(d(i.url,void 0,f.xhrSetup).then((()=>{f.httpRangeSupported=!0,g.info("http range is supported")})).catch((()=>{f.httpRangeSupported=!1,g.warn("http range is not supported")})),this.rangeTested=!0))}_onFragChanged(e,r){const{frag:i}=r;if(!Ft(i.url,this.config.p2pBlackList,i.type)){this.logger.debug("frag changed: "+i.sn);const{sn:e,duration:r}=i;this.emit(t.FRAG_CHANGED,{sn:e,duration:r})}}_onHlsError(e,r){if(!r)return;const{logger:i}=this,s=`${r.type} details ${r.details} reason ${r.reason}`;r.fatal?i.error(s):i.warn(s);const n=this.hlsjs.constructor.ErrorDetails;switch(r.details){case n.BUFFER_STALLED_ERROR:this.fetcher&&this.fetcher.increRebuffers();break;case n.INTERNAL_EXCEPTION:this.fetcher&&(this.fetcher.errsInternalExpt++,this.fetcher.exptMsg=`${r.err.message} event ${r.event} ua ${navigator.userAgent}`),i.error(`INTERNAL_EXCEPTION event ${r.event} err ${r.err.message}`),this.emit(t.EXCEPTION,Le()(r.err,"HLSJS_EXPT"))}}get currentLevel(){const{currentLevel:e}=this.hlsjs;return e>=0?e:0}disableP2P(){this.logger&&this.logger.warn("disable P2P"),this.p2pEnabled&&(this.p2pEnabled=!1,this.config.p2pEnabled=this.hlsjs.config.p2pEnabled=this.p2pEnabled,this.tracker&&(this.tracker.stopP2P(),this.tracker={},this.fetcher=null,this.bufMgr.destroy(),this.bufMgr=null,this.hlsjs.config.fLoader=this.hlsjs.config.pLoader=this.hlsjs.constructor.DefaultConfig.loader))}};function Kt(){const e=function(){if("undefined"!=typeof window)return window.MediaSource||window.WebKitMediaSource}(),t=window.SourceBuffer||window.WebKitSourceBuffer,r=e&&"function"==typeof e.isTypeSupported&&e.isTypeSupported('video/mp4; codecs="avc1.42E01E,mp4a.40.2"'),i=!t||t.prototype&&"function"==typeof t.prototype.appendBuffer&&"function"==typeof t.prototype.remove;return!!r&&!!i}class qt{static get Events(){return t}static get TrackerZone(){return W.TrackerZone}static isSupported(){return W.isSupported()&&(Kt()||xt.isServiceWorkerSupported())}static isServiceWorkerSupported(){return xt.isServiceWorkerSupported()}static isMSESupported(){return Kt()}static getBrowser(){return C().getBrowser()}static get ServiceWorkerEngine(){return xt}static get HlsjsEngine(){return Wt}constructor(e={}){const{hlsjsInstance:t}=e;delete e.hlsjsInstance,"1"!==h("_ios")&&!e.proxyOnly&&t&&Kt()?this._realEngine=new Wt(t,e):this._realEngine=new xt(e)}get realEngine(){return this._realEngine}get engineName(){return this._realEngine.constructor.name}once(e,t){return this._realEngine.once(e,t)}on(e,t){return this._realEngine.on(e,t)}off(e,t){return this._realEngine.off(e,t)}removeListener(e,t){return this._realEngine.removeListener(e,t)}removeAllListeners(e){return this._realEngine.removeAllListeners(e)}set p2pEnabled(e){this._realEngine.p2pEnabled=e}get p2pEnabled(){return this._realEngine.p2pEnabled}enableP2P(){this._realEngine.enableP2P()}disableP2P(){this._realEngine.disableP2P()}destroy(){this._realEngine.destroy()}registerServiceWorker(){return"function"==typeof this._realEngine.registerServiceWorker?this._realEngine.registerServiceWorker():Promise.reject("Not supported by this engine")}unregisterServiceWorker(){return"function"==typeof this._realEngine.unregisterServiceWorker?this._realEngine.unregisterServiceWorker():Promise.reject("Not supported by this engine")}get version(){return W.version}}qt.version=W.version,qt.protocolVersion=O.VERSION,window&&(window.P2PEngineHls=qt);const Vt=qt;var zt;zt=r(305);const Yt={maxBufferLength:12},Xt={maxBufferLength:40};class Qt extends zt{static get P2PEvents(){return Vt.Events}static get P2pEngine(){return Vt}constructor(e={}){let t=e.p2pConfig||{};const r=!1===t.live?Xt:Yt;let i=JSON.parse(JSON.stringify(r));i.liveSyncDurationCount=10,i.manifestLoadingMaxRetry=3,i.manifestLoadingRetryDelay=700,i.levelLoadingRetryDelay=700,i.maxBufferSize=0;for(let t in e)"p2pConfig"!==t&&(i[t]=e[t]);super(i),this._restartEvent=()=>{this.restartP2P()},Vt.isSupported()&&(this._p2pEngine=new Vt({...t,hlsjsInstance:this}),this._p2pEngine.on(Vt.Events.RESTART_P2P,this._restartEvent)),this.on(zt.Events.DESTROYING,(()=>{this._p2pEngine&&(this._p2pEngine.removeListener(Vt.Events.RESTART_P2P,this._restartEvent),this._p2pEngine.hlsjs=null,this._p2pEngine=null)}))}get p2pEngine(){return this._p2pEngine}enableP2P(){this._p2pEngine&&(this._p2pEngine=this._p2pEngine.enableP2P())}disableP2P(){this._p2pEngine&&this._p2pEngine.disableP2P()}restartP2P(){this._p2pEngine&&(this._p2pEngine.disableP2P(),setTimeout((()=>{this.enableP2P()}),2e3),this._p2pEngine.removeListener(Vt.Events.RESTART_P2P,this._restartEvent))}}Qt.engineVersion=Vt.version,Qt.protocolVersion=Vt.protocolVersion,Qt.WEBRTC_SUPPORT=Vt.isSupported();const Jt=Qt})(),i=i.default})()));