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42 lines
755 KiB
42 lines
755 KiB
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T=this._totalRange.from+this._receivedLength;this._receivedLength+=y.byteLength,this._onDataArrival&&this._onDataArrival(y,T,this._receivedLength),p.byteLength>=this._bufferLimit&&(Log.v(this.TAG,`MSStream buffer exceeded max size near ${T+y.byteLength}, reconnecting...`),this._doReconnectIfNeeded())}_doReconnectIfNeeded(){if(this._contentLength==null||this._receivedLength<this._contentLength){this._isReconnecting=!0,this._lastTimeBufferSize=0,this._internalAbort();let c={from:this._totalRange.from+this._receivedLength,to:-1};this._internalOpen(this._dataSource,c,!0)}}_msrOnLoad(c){this._status=LoaderStatus.kComplete,this._onComplete&&this._onComplete(this._totalRange.from,this._totalRange.from+this._receivedLength-1)}_msrOnError(c){this._status=LoaderStatus.kError;let f=0,p=null;if(this._contentLength&&this._receivedLength<this._contentLength?(f=LoaderErrors.EARLY_EOF,p={code:-1,msg:"MSStream meet Early-Eof"}):(f=LoaderErrors.EARLY_EOF,p={code:-1,msg:c.constructor.name+" "+c.type}),this._onError)this._onError(f,p);else throw new RuntimeException(p.msg)}}var He=null;class Y extends ei{static isSupported(){try{let c=new XMLHttpRequest;return c.open("GET","https://example.com",!0),c.responseType="arraybuffer",c.responseType==="arraybuffer"}catch(c){return g.w("RangeLoader",c.message),!1}}constructor(c,f){super("xhr-range-loader"),this.TAG="RangeLoader",this._seekHandler=c,this._config=f,this._needStash=!1,this._chunkSizeKBList=[128,256,384,512,768,1024,1536,2048,3072,4096,5120,6144,7168,8192],this._currentChunkSizeKB=384,this._currentSpeedNormalized=0,this._zeroSpeedChunkCount=0,this._xhr=null,this._speedSampler=new oe,this._requestAbort=!1,this._waitForTotalLength=!1,this._totalLengthReceived=!1,this._currentRequestURL=null,this._currentRedirectedURL=null,this._currentRequestRange=null,this._totalLength=null,this._contentLength=null,this._receivedLength=0,this._lastTimeLoaded=0}destroy(){this.isWorking()&&this.abort(),this._xhr&&(this._xhr.onreadystatechange=null,this._xhr.onprogress=null,this._xhr.onload=null,this._xhr.onerror=null,this._xhr=null),super.destroy()}get currentSpeed(){return this._speedSampler.lastSecondKBps}open(c,f){this._dataSource=c,this._range=f,this._status=D.kConnecting;let p=!1;this._dataSource.filesize!=null&&this._dataSource.filesize!==0&&(p=!0,this._totalLength=this._dataSource.filesize),!this._totalLengthReceived&&!p?(this._waitForTotalLength=!0,this._internalOpen(this._dataSource,{from:0,to:-1})):this._openSubRange()}_openSubRange(){let c=this._currentChunkSizeKB*1024,f=this._range.from+this._receivedLength,p=f+c;this._contentLength!=null&&p-this._range.from>=this._contentLength&&(p=this._range.from+this._contentLength-1),this._currentRequestRange={from:f,to:p},this._internalOpen(this._dataSource,this._currentRequestRange)}_internalOpen(c,f){this._lastTimeLoaded=0;let p=c.url;this._config.reuseRedirectedURL&&(this._currentRedirectedURL!=null?p=this._currentRedirectedURL:c.redirectedURL!=null&&(p=c.redirectedURL));let y=this._seekHandler.getConfig(p,f);this._currentRequestURL=y.url;let T=this._xhr=new XMLHttpRequest;if(T.open("GET",y.url,!0),T.responseType="arraybuffer",T.onreadystatechange=this._onReadyStateChange.bind(this),T.onprogress=this._onProgress.bind(this),T.onload=this._onLoad.bind(this),T.onerror=this._onXhrError.bind(this),c.withCredentials&&(T.withCredentials=!0),typeof y.headers=="object"){let I=y.headers;for(let P in I)I.hasOwnProperty(P)&&T.setRequestHeader(P,I[P])}if(typeof this._config.headers=="object"){let I=this._config.headers;for(let P in I)I.hasOwnProperty(P)&&T.setRequestHeader(P,I[P])}T.send()}abort(){this._requestAbort=!0,this._internalAbort(),this._status=D.kComplete}_internalAbort(){this._xhr&&(this._xhr.onreadystatechange=null,this._xhr.onprogress=null,this._xhr.onload=null,this._xhr.onerror=null,this._xhr.abort(),this._xhr=null)}_onReadyStateChange(c){let f=c.target;if(f.readyState===2){if(f.responseURL!=null){let p=this._seekHandler.removeURLParameters(f.responseURL);f.responseURL!==this._currentRequestURL&&p!==this._currentRedirectedURL&&(this._currentRedirectedURL=p,this._onURLRedirect&&this._onURLRedirect(p))}if(f.status>=200&&f.status<=299){if(this._waitForTotalLength)return;this._status=D.kBuffering}else if(this._status=D.kError,this._onError)this._onError(j.HTTP_STATUS_CODE_INVALID,{code:f.status,msg:f.statusText});else throw new he("RangeLoader: Http code invalid, "+f.status+" "+f.statusText)}}_onProgress(c){if(this._status===D.kError)return;if(this._contentLength===null){let p=!1;if(this._waitForTotalLength){this._waitForTotalLength=!1,this._totalLengthReceived=!0,p=!0;let y=c.total;this._internalAbort(),y!=null&y!==0&&(this._totalLength=y)}if(this._range.to===-1?this._contentLength=this._totalLength-this._range.from:this._contentLength=this._range.to-this._range.from+1,p){this._openSubRange();return}this._onContentLengthKnown&&this._onContentLengthKnown(this._contentLength)}let f=c.loaded-this._lastTimeLoaded;this._lastTimeLoaded=c.loaded,this._speedSampler.addBytes(f)}_normalizeSpeed(c){let f=this._chunkSizeKBList,p=f.length-1,y=0,T=0,I=p;if(c<f[0])return f[0];for(;T<=I;){if(y=T+Math.floor((I-T)/2),y===p||c>=f[y]&&c<f[y+1])return f[y];f[y]<c?T=y+1:I=y-1}}_onLoad(c){if(this._status===D.kError)return;if(this._waitForTotalLength){this._waitForTotalLength=!1;return}this._lastTimeLoaded=0;let f=this._speedSampler.lastSecondKBps;if(f===0&&(this._zeroSpeedChunkCount++,this._zeroSpeedChunkCount>=3&&(f=this._speedSampler.currentKBps)),f!==0){let I=this._normalizeSpeed(f);this._currentSpeedNormalized!==I&&(this._currentSpeedNormalized=I,this._currentChunkSizeKB=I)}let p=c.target.response,y=this._range.from+this._receivedLength;this._receivedLength+=p.byteLength;let T=!1;this._contentLength!=null&&this._receivedLength<this._contentLength?this._openSubRange():T=!0,this._onDataArrival&&this._onDataArrival(p,y,this._receivedLength),T&&(this._status=D.kComplete,this._onComplete&&this._onComplete(this._range.from,this._range.from+this._receivedLength-1))}_onXhrError(c){this._status=D.kError;let f=0,p=null;if(this._contentLength&&this._receivedLength>0&&this._receivedLength<this._contentLength?(f=j.EARLY_EOF,p={code:-1,msg:"RangeLoader meet Early-Eof"}):(f=j.EXCEPTION,p={code:-1,msg:c.constructor.name+" "+c.type}),this._onError)this._onError(f,p);else throw new he(p.msg)}}var ut=Y;class yt extends ei{static isSupported(){try{return typeof self.WebSocket!="undefined"}catch(c){return!1}}constructor(){super("websocket-loader"),this.TAG="WebSocketLoader",this._needStash=!0,this._ws=null,this._requestAbort=!1,this._receivedLength=0}destroy(){this._ws&&this.abort(),super.destroy()}open(c){try{let f=this._ws=new self.WebSocket(c.url);f.binaryType="arraybuffer",f.onopen=this._onWebSocketOpen.bind(this),f.onclose=this._onWebSocketClose.bind(this),f.onmessage=this._onWebSocketMessage.bind(this),f.onerror=this._onWebSocketError.bind(this),this._status=D.kConnecting}catch(f){this._status=D.kError;let p={code:f.code,msg:f.message};if(this._onError)this._onError(j.EXCEPTION,p);else throw new he(p.msg)}}abort(){let c=this._ws;c&&(c.readyState===0||c.readyState===1)&&(this._requestAbort=!0,c.close()),this._ws=null,this._status=D.kComplete}_onWebSocketOpen(c){this._status=D.kBuffering}_onWebSocketClose(c){if(this._requestAbort===!0){this._requestAbort=!1;return}this._status=D.kComplete,this._onComplete&&this._onComplete(0,this._receivedLength-1)}_onWebSocketMessage(c){if(c.data instanceof ArrayBuffer)this._dispatchArrayBuffer(c.data);else if(c.data instanceof Blob){let f=new FileReader;f.onload=()=>{this._dispatchArrayBuffer(f.result)},f.readAsArrayBuffer(c.data)}else{this._status=D.kError;let f={code:-1,msg:"Unsupported WebSocket message type: "+c.data.constructor.name};if(this._onError)this._onError(j.EXCEPTION,f);else throw new he(f.msg)}}_dispatchArrayBuffer(c){let f=c,p=this._receivedLength;this._receivedLength+=f.byteLength,this._onDataArrival&&this._onDataArrival(f,p,this._receivedLength)}_onWebSocketError(c){this._status=D.kError;let f={code:c.code,msg:c.message};if(this._onError)this._onError(j.EXCEPTION,f);else throw new he(f.msg)}}var kt=yt;class xt{constructor(c){this._zeroStart=c||!1}getConfig(c,f){let p={};if(f.from!==0||f.to!==-1){let y;f.to!==-1?y=`bytes=${f.from.toString()}-${f.to.toString()}`:y=`bytes=${f.from.toString()}-`,p.Range=y}else this._zeroStart&&(p.Range="bytes=0-");return{url:c,headers:p}}removeURLParameters(c){return c}}var ne=xt;class X{constructor(c,f){this._startName=c,this._endName=f}getConfig(c,f){let p=c;if(f.from!==0||f.to!==-1){let y=!0;p.indexOf("?")===-1&&(p+="?",y=!1),y&&(p+="&"),p+=`${this._startName}=${f.from.toString()}`,f.to!==-1&&(p+=`&${this._endName}=${f.to.toString()}`)}return{url:p,headers:{}}}removeURLParameters(c){let f=c.split("?")[0],p,y=c.indexOf("?");y!==-1&&(p=c.substring(y+1));let T="";if(p!=null&&p.length>0){let I=p.split("&");for(let P=0;P<I.length;P++){let Re=I[P].split("="),Se=P>0;Re[0]!==this._startName&&Re[0]!==this._endName&&(Se&&(T+="&"),T+=I[P])}}return T.length===0?f:f+"?"+T}}var ie=X;class O{constructor(c,f,p){this.TAG="IOController",this._config=f,this._extraData=p,this._stashInitialSize=1024*384,f.stashInitialSize!=null&&f.stashInitialSize>0&&(this._stashInitialSize=f.stashInitialSize),this._stashUsed=0,this._stashSize=this._stashInitialSize,this._bufferSize=1024*1024*3,this._stashBuffer=new ArrayBuffer(this._bufferSize),this._stashByteStart=0,this._enableStash=!0,f.enableStashBuffer===!1&&(this._enableStash=!1),this._loader=null,this._loaderClass=null,this._seekHandler=null,this._dataSource=c,this._isWebSocketURL=/wss?:\/\/(.+?)/.test(c.url),this._refTotalLength=c.filesize?c.filesize:null,this._totalLength=this._refTotalLength,this._fullRequestFlag=!1,this._currentRange=null,this._redirectedURL=null,this._speedNormalized=0,this._speedSampler=new oe,this._speedNormalizeList=[64,128,256,384,512,768,1024,1536,2048,3072,4096],this._isEarlyEofReconnecting=!1,this._paused=!1,this._resumeFrom=0,this._onDataArrival=null,this._onSeeked=null,this._onError=null,this._onComplete=null,this._onRedirect=null,this._onRecoveredEarlyEof=null,this._selectSeekHandler(),this._selectLoader(),this._createLoader()}destroy(){this._loader.isWorking()&&this._loader.abort(),this._loader.destroy(),this._loader=null,this._loaderClass=null,this._dataSource=null,this._stashBuffer=null,this._stashUsed=this._stashSize=this._bufferSize=this._stashByteStart=0,this._currentRange=null,this._speedSampler=null,this._isEarlyEofReconnecting=!1,this._onDataArrival=null,this._onSeeked=null,this._onError=null,this._onComplete=null,this._onRedirect=null,this._onRecoveredEarlyEof=null,this._extraData=null}isWorking(){return this._loader&&this._loader.isWorking()&&!this._paused}isPaused(){return this._paused}get status(){return this._loader.status}get extraData(){return this._extraData}set extraData(c){this._extraData=c}get onDataArrival(){return this._onDataArrival}set onDataArrival(c){this._onDataArrival=c}get onSeeked(){return this._onSeeked}set onSeeked(c){this._onSeeked=c}get onError(){return this._onError}set onError(c){this._onError=c}get onComplete(){return this._onComplete}set onComplete(c){this._onComplete=c}get onRedirect(){return this._onRedirect}set onRedirect(c){this._onRedirect=c}get onRecoveredEarlyEof(){return this._onRecoveredEarlyEof}set onRecoveredEarlyEof(c){this._onRecoveredEarlyEof=c}get currentURL(){return this._dataSource.url}get hasRedirect(){return this._redirectedURL!=null||this._dataSource.redirectedURL!=null}get currentRedirectedURL(){return this._redirectedURL||this._dataSource.redirectedURL}get currentSpeed(){return this._loaderClass===ut?this._loader.currentSpeed:this._speedSampler.lastSecondKBps}get loaderType(){return this._loader.type}_selectSeekHandler(){let c=this._config;if(c.seekType==="range")this._seekHandler=new ne(this._config.rangeLoadZeroStart);else if(c.seekType==="param"){let f=c.seekParamStart||"bstart",p=c.seekParamEnd||"bend";this._seekHandler=new ie(f,p)}else if(c.seekType==="custom"){if(typeof c.customSeekHandler!="function")throw new at("Custom seekType specified in config but invalid customSeekHandler!");this._seekHandler=new c.customSeekHandler}else throw new at(`Invalid seekType in config: ${c.seekType}`)}_selectLoader(){if(this._config.customLoader!=null)this._loaderClass=this._config.customLoader;else if(this._isWebSocketURL)this._loaderClass=kt;else if(C.isSupported())this._loaderClass=C;else if(se.isSupported())this._loaderClass=se;else if(ut.isSupported())this._loaderClass=ut;else throw new he("Your browser doesn't support xhr with arraybuffer responseType!")}_createLoader(){this._loader=new this._loaderClass(this._seekHandler,this._config),this._loader.needStashBuffer===!1&&(this._enableStash=!1),this._loader.onContentLengthKnown=this._onContentLengthKnown.bind(this),this._loader.onURLRedirect=this._onURLRedirect.bind(this),this._loader.onDataArrival=this._onLoaderChunkArrival.bind(this),this._loader.onComplete=this._onLoaderComplete.bind(this),this._loader.onError=this._onLoaderError.bind(this)}open(c){this._currentRange={from:0,to:-1},c&&(this._currentRange.from=c),this._speedSampler.reset(),c||(this._fullRequestFlag=!0),this._loader.open(this._dataSource,Object.assign({},this._currentRange))}abort(){this._loader.abort(),this._paused&&(this._paused=!1,this._resumeFrom=0)}pause(){this.isWorking()&&(this._loader.abort(),this._stashUsed!==0?(this._resumeFrom=this._stashByteStart,this._currentRange.to=this._stashByteStart-1):this._resumeFrom=this._currentRange.to+1,this._stashUsed=0,this._stashByteStart=0,this._paused=!0)}resume(){if(this._paused){this._paused=!1;let c=this._resumeFrom;this._resumeFrom=0,this._internalSeek(c,!0)}}seek(c){this._paused=!1,this._stashUsed=0,this._stashByteStart=0,this._internalSeek(c,!0)}_internalSeek(c,f){this._loader.isWorking()&&this._loader.abort(),this._flushStashBuffer(f),this._loader.destroy(),this._loader=null;let p={from:c,to:-1};this._currentRange={from:p.from,to:-1},this._speedSampler.reset(),this._stashSize=this._stashInitialSize,this._createLoader(),this._loader.open(this._dataSource,p),this._onSeeked&&this._onSeeked()}updateUrl(c){if(!c||typeof c!="string"||c.length===0)throw new at("Url must be a non-empty string!");this._dataSource.url=c}_expandBuffer(c){let f=this._stashSize;for(;f+1024*1024*1<c;)f*=2;if(f+=1024*1024*1,f===this._bufferSize)return;let p=new ArrayBuffer(f);if(this._stashUsed>0){let y=new Uint8Array(this._stashBuffer,0,this._stashUsed);new Uint8Array(p,0,f).set(y,0)}this._stashBuffer=p,this._bufferSize=f}_normalizeSpeed(c){let f=this._speedNormalizeList,p=f.length-1,y=0,T=0,I=p;if(c<f[0])return f[0];for(;T<=I;){if(y=T+Math.floor((I-T)/2),y===p||c>=f[y]&&c<f[y+1])return f[y];f[y]<c?T=y+1:I=y-1}}_adjustStashSize(c){let f=0;this._config.isLive||c<512?f=c:c>=512&&c<=1024?f=Math.floor(c*1.5):f=c*2,f>8192&&(f=8192);let p=f*1024+1024*1024*1;this._bufferSize<p&&this._expandBuffer(p),this._stashSize=f*1024}_dispatchChunks(c,f){return this._currentRange.to=f+c.byteLength-1,this._onDataArrival(c,f)}_onURLRedirect(c){this._redirectedURL=c,this._onRedirect&&this._onRedirect(c)}_onContentLengthKnown(c){c&&this._fullRequestFlag&&(this._totalLength=c,this._fullRequestFlag=!1)}_onLoaderChunkArrival(c,f,p){if(!this._onDataArrival)throw new nt("IOController: No existing consumer (onDataArrival) callback!");if(this._paused)return;this._isEarlyEofReconnecting&&(this._isEarlyEofReconnecting=!1,this._onRecoveredEarlyEof&&this._onRecoveredEarlyEof()),this._speedSampler.addBytes(c.byteLength);let y=this._speedSampler.lastSecondKBps;if(y!==0){let T=this._normalizeSpeed(y);this._speedNormalized!==T&&(this._speedNormalized=T,this._adjustStashSize(T))}if(this._enableStash)if(this._stashUsed===0&&this._stashByteStart===0&&(this._stashByteStart=f),this._stashUsed+c.byteLength<=this._stashSize)new Uint8Array(this._stashBuffer,0,this._stashSize).set(new Uint8Array(c),this._stashUsed),this._stashUsed+=c.byteLength;else{let T=new Uint8Array(this._stashBuffer,0,this._bufferSize);if(this._stashUsed>0){let I=this._stashBuffer.slice(0,this._stashUsed),P=this._dispatchChunks(I,this._stashByteStart);if(P<I.byteLength){if(P>0){let Re=new Uint8Array(I,P);T.set(Re,0),this._stashUsed=Re.byteLength,this._stashByteStart+=P}}else this._stashUsed=0,this._stashByteStart+=P;this._stashUsed+c.byteLength>this._bufferSize&&(this._expandBuffer(this._stashUsed+c.byteLength),T=new Uint8Array(this._stashBuffer,0,this._bufferSize)),T.set(new Uint8Array(c),this._stashUsed),this._stashUsed+=c.byteLength}else{let I=this._dispatchChunks(c,f);if(I<c.byteLength){let P=c.byteLength-I;P>this._bufferSize&&(this._expandBuffer(P),T=new Uint8Array(this._stashBuffer,0,this._bufferSize)),T.set(new Uint8Array(c,I),0),this._stashUsed+=P,this._stashByteStart=f+I}}}else if(this._stashUsed===0){let T=this._dispatchChunks(c,f);if(T<c.byteLength){let I=c.byteLength-T;I>this._bufferSize&&this._expandBuffer(I),new Uint8Array(this._stashBuffer,0,this._bufferSize).set(new Uint8Array(c,T),0),this._stashUsed+=I,this._stashByteStart=f+T}}else{this._stashUsed+c.byteLength>this._bufferSize&&this._expandBuffer(this._stashUsed+c.byteLength);let T=new Uint8Array(this._stashBuffer,0,this._bufferSize);T.set(new Uint8Array(c),this._stashUsed),this._stashUsed+=c.byteLength;let I=this._dispatchChunks(this._stashBuffer.slice(0,this._stashUsed),this._stashByteStart);if(I<this._stashUsed&&I>0){let P=new Uint8Array(this._stashBuffer,I);T.set(P,0)}this._stashUsed-=I,this._stashByteStart+=I}}_flushStashBuffer(c){if(this._stashUsed>0){let f=this._stashBuffer.slice(0,this._stashUsed),p=this._dispatchChunks(f,this._stashByteStart),y=f.byteLength-p;if(p<f.byteLength)if(c)g.w(this.TAG,`${y} bytes unconsumed data remain when flush buffer, dropped`);else{if(p>0){let T=new Uint8Array(this._stashBuffer,0,this._bufferSize),I=new Uint8Array(f,p);T.set(I,0),this._stashUsed=I.byteLength,this._stashByteStart+=p}return 0}return this._stashUsed=0,this._stashByteStart=0,y}return 0}_onLoaderComplete(c,f){this._flushStashBuffer(!0),this._onComplete&&this._onComplete(this._extraData)}_onLoaderError(c,f){switch(g.e(this.TAG,`Loader error, code = ${f.code}, msg = ${f.msg}`),this._flushStashBuffer(!1),this._isEarlyEofReconnecting&&(this._isEarlyEofReconnecting=!1,c=j.UNRECOVERABLE_EARLY_EOF),c){case j.EARLY_EOF:{if(!this._config.isLive&&this._totalLength){let p=this._currentRange.to+1;p<this._totalLength&&(g.w(this.TAG,"Connection lost, trying reconnect..."),this._isEarlyEofReconnecting=!0,this._internalSeek(p,!1));return}c=j.UNRECOVERABLE_EARLY_EOF;break}case j.UNRECOVERABLE_EARLY_EOF:case j.CONNECTING_TIMEOUT:case j.HTTP_STATUS_CODE_INVALID:case j.EXCEPTION:break}if(this._onError)this._onError(c,f);else throw new he("IOException: "+f.msg)}}var Me=O;const it={enableWorker:!1,enableStashBuffer:!0,stashInitialSize:void 0,isLive:!1,lazyLoad:!0,lazyLoadMaxDuration:3*60,lazyLoadRecoverDuration:30,deferLoadAfterSourceOpen:!0,autoCleanupMaxBackwardDuration:3*60,autoCleanupMinBackwardDuration:2*60,statisticsInfoReportInterval:600,fixAudioTimestampGap:!0,accurateSeek:!1,seekType:"range",seekParamStart:"bstart",seekParamEnd:"bend",rangeLoadZeroStart:!1,customSeekHandler:void 0,reuseRedirectedURL:!1,headers:void 0,customLoader:void 0};function fe(){return Object.assign({},it)}class ye{static supportMSEH264Playback(){return window.MediaSource&&window.MediaSource.isTypeSupported('video/mp4; codecs="avc1.42E01E,mp4a.40.2"')}static supportNetworkStreamIO(){let c=new Me({},fe()),f=c.loaderType;return c.destroy(),f=="fetch-stream-loader"||f=="xhr-moz-chunked-loader"}static getNetworkLoaderTypeName(){let c=new Me({},fe()),f=c.loaderType;return c.destroy(),f}static supportNativeMediaPlayback(c){ye.videoElement==null&&(ye.videoElement=window.document.createElement("video"));let f=ye.videoElement.canPlayType(c);return f==="probably"||f=="maybe"}static getFeatureList(){let c={mseFlvPlayback:!1,mseLiveFlvPlayback:!1,networkStreamIO:!1,networkLoaderName:"",nativeMP4H264Playback:!1,nativeWebmVP8Playback:!1,nativeWebmVP9Playback:!1};return c.mseFlvPlayback=ye.supportMSEH264Playback(),c.networkStreamIO=ye.supportNetworkStreamIO(),c.networkLoaderName=ye.getNetworkLoaderTypeName(),c.mseLiveFlvPlayback=c.mseFlvPlayback&&c.networkStreamIO,c.nativeMP4H264Playback=ye.supportNativeMediaPlayback('video/mp4; codecs="avc1.42001E, mp4a.40.2"'),c.nativeWebmVP8Playback=ye.supportNativeMediaPlayback('video/webm; codecs="vp8.0, vorbis"'),c.nativeWebmVP9Playback=ye.supportNativeMediaPlayback('video/webm; codecs="vp9"'),c}}var Ve=ye,Xe={ERROR:"error",LOADING_COMPLETE:"loading_complete",RECOVERED_EARLY_EOF:"recovered_early_eof",MEDIA_INFO:"media_info",METADATA_ARRIVED:"metadata_arrived",SCRIPTDATA_ARRIVED:"scriptdata_arrived",STATISTICS_INFO:"statistics_info"};class st{static get forceGlobalTag(){return g.FORCE_GLOBAL_TAG}static set forceGlobalTag(c){g.FORCE_GLOBAL_TAG=c,st._notifyChange()}static get globalTag(){return g.GLOBAL_TAG}static set globalTag(c){g.GLOBAL_TAG=c,st._notifyChange()}static get enableAll(){return g.ENABLE_VERBOSE&&g.ENABLE_DEBUG&&g.ENABLE_INFO&&g.ENABLE_WARN&&g.ENABLE_ERROR}static set enableAll(c){g.ENABLE_VERBOSE=c,g.ENABLE_DEBUG=c,g.ENABLE_INFO=c,g.ENABLE_WARN=c,g.ENABLE_ERROR=c,st._notifyChange()}static get enableDebug(){return g.ENABLE_DEBUG}static set enableDebug(c){g.ENABLE_DEBUG=c,st._notifyChange()}static get enableVerbose(){return g.ENABLE_VERBOSE}static set enableVerbose(c){g.ENABLE_VERBOSE=c,st._notifyChange()}static get enableInfo(){return g.ENABLE_INFO}static set enableInfo(c){g.ENABLE_INFO=c,st._notifyChange()}static get enableWarn(){return g.ENABLE_WARN}static set enableWarn(c){g.ENABLE_WARN=c,st._notifyChange()}static get enableError(){return g.ENABLE_ERROR}static set enableError(c){g.ENABLE_ERROR=c,st._notifyChange()}static getConfig(){return{globalTag:g.GLOBAL_TAG,forceGlobalTag:g.FORCE_GLOBAL_TAG,enableVerbose:g.ENABLE_VERBOSE,enableDebug:g.ENABLE_DEBUG,enableInfo:g.ENABLE_INFO,enableWarn:g.ENABLE_WARN,enableError:g.ENABLE_ERROR,enableCallback:g.ENABLE_CALLBACK}}static applyConfig(c){g.GLOBAL_TAG=c.globalTag,g.FORCE_GLOBAL_TAG=c.forceGlobalTag,g.ENABLE_VERBOSE=c.enableVerbose,g.ENABLE_DEBUG=c.enableDebug,g.ENABLE_INFO=c.enableInfo,g.ENABLE_WARN=c.enableWarn,g.ENABLE_ERROR=c.enableError,g.ENABLE_CALLBACK=c.enableCallback}static _notifyChange(){let c=st.emitter;if(c.listenerCount("change")>0){let f=st.getConfig();c.emit("change",f)}}static registerListener(c){st.emitter.addListener("change",c)}static removeListener(c){st.emitter.removeListener("change",c)}static addLogListener(c){g.emitter.addListener("log",c),g.emitter.listenerCount("log")>0&&(g.ENABLE_CALLBACK=!0,st._notifyChange())}static removeLogListener(c){g.emitter.removeListener("log",c),g.emitter.listenerCount("log")===0&&(g.ENABLE_CALLBACK=!1,st._notifyChange())}}st.emitter=new(Z());var vt=st;class ii{constructor(){this.mimeType=null,this.duration=null,this.hasAudio=null,this.hasVideo=null,this.audioCodec=null,this.videoCodec=null,this.audioDataRate=null,this.videoDataRate=null,this.audioSampleRate=null,this.audioChannelCount=null,this.width=null,this.height=null,this.fps=null,this.profile=null,this.level=null,this.refFrames=null,this.chromaFormat=null,this.sarNum=null,this.sarDen=null,this.metadata=null,this.segments=null,this.segmentCount=null,this.hasKeyframesIndex=null,this.keyframesIndex=null}isComplete(){let c=this.hasAudio===!1||this.hasAudio===!0&&this.audioCodec!=null&&this.audioSampleRate!=null&&this.audioChannelCount!=null,f=this.hasVideo===!1||this.hasVideo===!0&&this.videoCodec!=null&&this.width!=null&&this.height!=null&&this.fps!=null&&this.profile!=null&&this.level!=null&&this.refFrames!=null&&this.chromaFormat!=null&&this.sarNum!=null&&this.sarDen!=null;return this.mimeType!=null&&this.duration!=null&&this.metadata!=null&&this.hasKeyframesIndex!=null&&c&&f}isSeekable(){return this.hasKeyframesIndex===!0}getNearestKeyframe(c){if(this.keyframesIndex==null)return null;let f=this.keyframesIndex,p=this._search(f.times,c);return{index:p,milliseconds:f.times[p],fileposition:f.filepositions[p]}}_search(c,f){let p=0,y=c.length-1,T=0,I=0,P=y;for(f<c[0]&&(p=0,I=P+1);I<=P;)if(T=I+Math.floor((P-I)/2),T===y||f>=c[T]&&f<c[T+1]){p=T;break}else c[T]<f?I=T+1:P=T-1;return p}}var zt=ii;function mi(Ee,c,f){let p=Ee;if(c+f<p.length){for(;f--;)if((p[++c]&192)!==128)return!1;return!0}else return!1}function xi(Ee){let c=[],f=Ee,p=0,y=Ee.length;for(;p<y;){if(f[p]<128){c.push(String.fromCharCode(f[p])),++p;continue}else if(!(f[p]<192)){if(f[p]<224){if(mi(f,p,1)){let T=(f[p]&31)<<6|f[p+1]&63;if(T>=128){c.push(String.fromCharCode(T&65535)),p+=2;continue}}}else if(f[p]<240){if(mi(f,p,2)){let T=(f[p]&15)<<12|(f[p+1]&63)<<6|f[p+2]&63;if(T>=2048&&(T&63488)!==55296){c.push(String.fromCharCode(T&65535)),p+=3;continue}}}else if(f[p]<248&&mi(f,p,3)){let T=(f[p]&7)<<18|(f[p+1]&63)<<12|(f[p+2]&63)<<6|f[p+3]&63;if(T>65536&&T<1114112){T-=65536,c.push(String.fromCharCode(T>>>10|55296)),c.push(String.fromCharCode(T&1023|56320)),p+=4;continue}}}c.push("\uFFFD"),++p}return c.join("")}var Ct=xi;let Yt=function(){let Ee=new ArrayBuffer(2);return new DataView(Ee).setInt16(0,256,!0),new Int16Array(Ee)[0]===256}();class Ce{static parseScriptData(c,f,p){let y={};try{let T=Ce.parseValue(c,f,p),I=Ce.parseValue(c,f+T.size,p-T.size);y[T.data]=I.data}catch(T){g.e("AMF",T.toString())}return y}static parseObject(c,f,p){if(p<3)throw new nt("Data not enough when parse ScriptDataObject");let y=Ce.parseString(c,f,p),T=Ce.parseValue(c,f+y.size,p-y.size),I=T.objectEnd;return{data:{name:y.data,value:T.data},size:y.size+T.size,objectEnd:I}}static parseVariable(c,f,p){return Ce.parseObject(c,f,p)}static parseString(c,f,p){if(p<2)throw new nt("Data not enough when parse String");let T=new DataView(c,f,p).getUint16(0,!Yt),I;return T>0?I=Ct(new Uint8Array(c,f+2,T)):I="",{data:I,size:2+T}}static parseLongString(c,f,p){if(p<4)throw new nt("Data not enough when parse LongString");let T=new DataView(c,f,p).getUint32(0,!Yt),I;return T>0?I=Ct(new Uint8Array(c,f+4,T)):I="",{data:I,size:4+T}}static parseDate(c,f,p){if(p<10)throw new nt("Data size invalid when parse Date");let y=new DataView(c,f,p),T=y.getFloat64(0,!Yt),I=y.getInt16(8,!Yt);return T+=I*60*1e3,{data:new Date(T),size:10}}static parseValue(c,f,p){if(p<1)throw new nt("Data not enough when parse Value");let y=new DataView(c,f,p),T=1,I=y.getUint8(0),P,Re=!1;try{switch(I){case 0:P=y.getFloat64(1,!Yt),T+=8;break;case 1:{P=!!y.getUint8(1),T+=1;break}case 2:{let Se=Ce.parseString(c,f+1,p-1);P=Se.data,T+=Se.size;break}case 3:{P={};let Se=0;for((y.getUint32(p-4,!Yt)&16777215)===9&&(Se=3);T<p-4;){let Be=Ce.parseObject(c,f+T,p-T-Se);if(Be.objectEnd)break;P[Be.data.name]=Be.data.value,T+=Be.size}T<=p-3&&(y.getUint32(T-1,!Yt)&16777215)===9&&(T+=3);break}case 8:{P={},T+=4;let Se=0;for((y.getUint32(p-4,!Yt)&16777215)===9&&(Se=3);T<p-8;){let Be=Ce.parseVariable(c,f+T,p-T-Se);if(Be.objectEnd)break;P[Be.data.name]=Be.data.value,T+=Be.size}T<=p-3&&(y.getUint32(T-1,!Yt)&16777215)===9&&(T+=3);break}case 9:P=void 0,T=1,Re=!0;break;case 10:{P=[];let Se=y.getUint32(1,!Yt);T+=4;for(let Be=0;Be<Se;Be++){let ft=Ce.parseValue(c,f+T,p-T);P.push(ft.data),T+=ft.size}break}case 11:{let Se=Ce.parseDate(c,f+1,p-1);P=Se.data,T+=Se.size;break}case 12:{let Se=Ce.parseString(c,f+1,p-1);P=Se.data,T+=Se.size;break}default:T=p,g.w("AMF","Unsupported AMF value type "+I)}}catch(Se){g.e("AMF",Se.toString())}return{data:P,size:T,objectEnd:Re}}}var pi=Ce;class Oi{constructor(c){this.TAG="ExpGolomb",this._buffer=c,this._buffer_index=0,this._total_bytes=c.byteLength,this._total_bits=c.byteLength*8,this._current_word=0,this._current_word_bits_left=0}destroy(){this._buffer=null}_fillCurrentWord(){let c=this._total_bytes-this._buffer_index;if(c<=0)throw new nt("ExpGolomb: _fillCurrentWord() but no bytes available");let f=Math.min(4,c),p=new Uint8Array(4);p.set(this._buffer.subarray(this._buffer_index,this._buffer_index+f)),this._current_word=new DataView(p.buffer).getUint32(0,!1),this._buffer_index+=f,this._current_word_bits_left=f*8}readBits(c){if(c>32)throw new at("ExpGolomb: readBits() bits exceeded max 32bits!");if(c<=this._current_word_bits_left){let I=this._current_word>>>32-c;return this._current_word<<=c,this._current_word_bits_left-=c,I}let f=this._current_word_bits_left?this._current_word:0;f=f>>>32-this._current_word_bits_left;let p=c-this._current_word_bits_left;this._fillCurrentWord();let y=Math.min(p,this._current_word_bits_left),T=this._current_word>>>32-y;return this._current_word<<=y,this._current_word_bits_left-=y,f=f<<y|T,f}readBool(){return this.readBits(1)===1}readByte(){return this.readBits(8)}_skipLeadingZero(){let c;for(c=0;c<this._current_word_bits_left;c++)if(this._current_word&2147483648>>>c)return this._current_word<<=c,this._current_word_bits_left-=c,c;return this._fillCurrentWord(),c+this._skipLeadingZero()}readUEG(){let c=this._skipLeadingZero();return this.readBits(c+1)-1}readSEG(){let c=this.readUEG();return c&1?c+1>>>1:-1*(c>>>1)}}var q=Oi;class _e{static _ebsp2rbsp(c){let f=c,p=f.byteLength,y=new Uint8Array(p),T=0;for(let I=0;I<p;I++)I>=2&&f[I]===3&&f[I-1]===0&&f[I-2]===0||(y[T]=f[I],T++);return new Uint8Array(y.buffer,0,T)}static parseSPS(c){let f=_e._ebsp2rbsp(c),p=new q(f);p.readByte();let y=p.readByte();p.readByte();let T=p.readByte();p.readUEG();let I=_e.getProfileString(y),P=_e.getLevelString(T),Re=1,Se=420,Be=[0,420,422,444],ft=8;if((y===100||y===110||y===122||y===244||y===44||y===83||y===86||y===118||y===128||y===138||y===144)&&(Re=p.readUEG(),Re===3&&p.readBits(1),Re<=3&&(Se=Be[Re]),ft=p.readUEG()+8,p.readUEG(),p.readBits(1),p.readBool())){let tt=Re!==3?8:12;for(let At=0;At<tt;At++)p.readBool()&&(At<6?_e._skipScalingList(p,16):_e._skipScalingList(p,64))}p.readUEG();let mt=p.readUEG();if(mt===0)p.readUEG();else if(mt===1){p.readBits(1),p.readSEG(),p.readSEG();let tt=p.readUEG();for(let At=0;At<tt;At++)p.readSEG()}let we=p.readUEG();p.readBits(1);let ot=p.readUEG(),Ye=p.readUEG(),ue=p.readBits(1);ue===0&&p.readBits(1),p.readBits(1);let ke=0,Qe=0,Ze=0,Kt=0;p.readBool()&&(ke=p.readUEG(),Qe=p.readUEG(),Ze=p.readUEG(),Kt=p.readUEG());let bi=1,qe=1,$e=0,ct=!0,w=0,H=0;if(p.readBool()){if(p.readBool()){let tt=p.readByte(),At=[1,12,10,16,40,24,20,32,80,18,15,64,160,4,3,2],gt=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1];tt>0&&tt<16?(bi=At[tt-1],qe=gt[tt-1]):tt===255&&(bi=p.readByte()<<8|p.readByte(),qe=p.readByte()<<8|p.readByte())}if(p.readBool()&&p.readBool(),p.readBool()&&(p.readBits(4),p.readBool()&&p.readBits(24)),p.readBool()&&(p.readUEG(),p.readUEG()),p.readBool()){let tt=p.readBits(32),At=p.readBits(32);ct=p.readBool(),w=At,H=tt*2,$e=w/H}}let ee=1;(bi!==1||qe!==1)&&(ee=bi/qe);let de=0,me=0;if(Re===0)de=1,me=2-ue;else{let tt=Re===3?1:2,At=Re===1?2:1;de=tt,me=At*(2-ue)}let Ie=(ot+1)*16,je=(2-ue)*((Ye+1)*16);Ie-=(ke+Qe)*de,je-=(Ze+Kt)*me;let Mt=Math.ceil(Ie*ee);return p.destroy(),p=null,{profile_string:I,level_string:P,bit_depth:ft,ref_frames:we,chroma_format:Se,chroma_format_string:_e.getChromaFormatString(Se),frame_rate:{fixed:ct,fps:$e,fps_den:H,fps_num:w},sar_ratio:{width:bi,height:qe},codec_size:{width:Ie,height:je},present_size:{width:Mt,height:je}}}static _skipScalingList(c,f){let p=8,y=8,T=0;for(let I=0;I<f;I++)y!==0&&(T=c.readSEG(),y=(p+T+256)%256),p=y===0?p:y}static getProfileString(c){switch(c){case 66:return"Baseline";case 77:return"Main";case 88:return"Extended";case 100:return"High";case 110:return"High10";case 122:return"High422";case 244:return"High444";default:return"Unknown"}}static getLevelString(c){return(c/10).toFixed(1)}static getChromaFormatString(c){switch(c){case 420:return"4:2:0";case 422:return"4:2:2";case 444:return"4:4:4";default:return"Unknown"}}}var M=_e,Oe={OK:"OK",FORMAT_ERROR:"FormatError",FORMAT_UNSUPPORTED:"FormatUnsupported",CODEC_UNSUPPORTED:"CodecUnsupported"};function Ke(Ee){return Ee>>>8&255|(Ee&255)<<8}function dt(Ee){return(Ee&4278190080)>>>24|(Ee&16711680)>>>8|(Ee&65280)<<8|(Ee&255)<<24}function $(Ee,c){return Ee[c]<<24|Ee[c+1]<<16|Ee[c+2]<<8|Ee[c+3]}class Q{constructor(c,f){this.TAG="FLVDemuxer",this._config=f,this._onError=null,this._onMediaInfo=null,this._onMetaDataArrived=null,this._onScriptDataArrived=null,this._onTrackMetadata=null,this._onDataAvailable=null,this._dataOffset=c.dataOffset,this._firstParse=!0,this._dispatch=!1,this._hasAudio=c.hasAudioTrack,this._hasVideo=c.hasVideoTrack,this._hasAudioFlagOverrided=!1,this._hasVideoFlagOverrided=!1,this._audioInitialMetadataDispatched=!1,this._videoInitialMetadataDispatched=!1,this._mediaInfo=new zt,this._mediaInfo.hasAudio=this._hasAudio,this._mediaInfo.hasVideo=this._hasVideo,this._metadata=null,this._audioMetadata=null,this._videoMetadata=null,this._naluLengthSize=4,this._timestampBase=0,this._timescale=1e3,this._duration=0,this._durationOverrided=!1,this._referenceFrameRate={fixed:!0,fps:23.976,fps_num:23976,fps_den:1e3},this._flvSoundRateTable=[5500,11025,22050,44100,48e3],this._mpegSamplingRates=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350],this._mpegAudioV10SampleRateTable=[44100,48e3,32e3,0],this._mpegAudioV20SampleRateTable=[22050,24e3,16e3,0],this._mpegAudioV25SampleRateTable=[11025,12e3,8e3,0],this._mpegAudioL1BitRateTable=[0,32,64,96,128,160,192,224,256,288,320,352,384,416,448,-1],this._mpegAudioL2BitRateTable=[0,32,48,56,64,80,96,112,128,160,192,224,256,320,384,-1],this._mpegAudioL3BitRateTable=[0,32,40,48,56,64,80,96,112,128,160,192,224,256,320,-1],this._videoTrack={type:"video",id:1,sequenceNumber:0,samples:[],length:0},this._audioTrack={type:"audio",id:2,sequenceNumber:0,samples:[],length:0},this._littleEndian=function(){let p=new ArrayBuffer(2);return new DataView(p).setInt16(0,256,!0),new Int16Array(p)[0]===256}()}destroy(){this._mediaInfo=null,this._metadata=null,this._audioMetadata=null,this._videoMetadata=null,this._videoTrack=null,this._audioTrack=null,this._onError=null,this._onMediaInfo=null,this._onMetaDataArrived=null,this._onScriptDataArrived=null,this._onTrackMetadata=null,this._onDataAvailable=null}static probe(c){let f=new Uint8Array(c),p={match:!1};if(f[0]!==70||f[1]!==76||f[2]!==86||f[3]!==1)return p;let y=(f[4]&4)>>>2!==0,T=(f[4]&1)!==0,I=$(f,5);return I<9?p:{match:!0,consumed:I,dataOffset:I,hasAudioTrack:y,hasVideoTrack:T}}bindDataSource(c){return c.onDataArrival=this.parseChunks.bind(this),this}get onTrackMetadata(){return this._onTrackMetadata}set onTrackMetadata(c){this._onTrackMetadata=c}get onMediaInfo(){return this._onMediaInfo}set onMediaInfo(c){this._onMediaInfo=c}get onMetaDataArrived(){return this._onMetaDataArrived}set onMetaDataArrived(c){this._onMetaDataArrived=c}get onScriptDataArrived(){return this._onScriptDataArrived}set onScriptDataArrived(c){this._onScriptDataArrived=c}get onError(){return this._onError}set onError(c){this._onError=c}get onDataAvailable(){return this._onDataAvailable}set onDataAvailable(c){this._onDataAvailable=c}get timestampBase(){return this._timestampBase}set timestampBase(c){this._timestampBase=c}get overridedDuration(){return this._duration}set overridedDuration(c){this._durationOverrided=!0,this._duration=c,this._mediaInfo.duration=c}set overridedHasAudio(c){this._hasAudioFlagOverrided=!0,this._hasAudio=c,this._mediaInfo.hasAudio=c}set overridedHasVideo(c){this._hasVideoFlagOverrided=!0,this._hasVideo=c,this._mediaInfo.hasVideo=c}resetMediaInfo(){this._mediaInfo=new zt}_isInitialMetadataDispatched(){return this._hasAudio&&this._hasVideo?this._audioInitialMetadataDispatched&&this._videoInitialMetadataDispatched:this._hasAudio&&!this._hasVideo?this._audioInitialMetadataDispatched:!this._hasAudio&&this._hasVideo?this._videoInitialMetadataDispatched:!1}parseChunks(c,f){if(!this._onError||!this._onMediaInfo||!this._onTrackMetadata||!this._onDataAvailable)throw new nt("Flv: onError & onMediaInfo & onTrackMetadata & onDataAvailable callback must be specified");let p=0,y=this._littleEndian;if(f===0)if(c.byteLength>13)p=Q.probe(c).dataOffset;else return 0;for(this._firstParse&&(this._firstParse=!1,f+p!==this._dataOffset&&g.w(this.TAG,"First time parsing but chunk byteStart invalid!"),new DataView(c,p).getUint32(0,!y)!==0&&g.w(this.TAG,"PrevTagSize0 !== 0 !!!"),p+=4);p<c.byteLength;){this._dispatch=!0;let T=new DataView(c,p);if(p+11+4>c.byteLength)break;let I=T.getUint8(0),P=T.getUint32(0,!y)&16777215;if(p+11+P+4>c.byteLength)break;if(I!==8&&I!==9&&I!==18){g.w(this.TAG,`Unsupported tag type ${I}, skipped`),p+=11+P+4;continue}let Re=T.getUint8(4),Se=T.getUint8(5),Be=T.getUint8(6),ft=T.getUint8(7),mt=Be|Se<<8|Re<<16|ft<<24;(T.getUint32(7,!y)&16777215)!==0&&g.w(this.TAG,"Meet tag which has StreamID != 0!");let ot=p+11;switch(I){case 8:this._parseAudioData(c,ot,P,mt);break;case 9:this._parseVideoData(c,ot,P,mt,f+p);break;case 18:this._parseScriptData(c,ot,P);break}let Ye=T.getUint32(11+P,!y);Ye!==11+P&&g.w(this.TAG,`Invalid PrevTagSize ${Ye}`),p+=11+P+4}return this._isInitialMetadataDispatched()&&this._dispatch&&(this._audioTrack.length||this._videoTrack.length)&&this._onDataAvailable(this._audioTrack,this._videoTrack),p}_parseScriptData(c,f,p){let y=pi.parseScriptData(c,f,p);if(y.hasOwnProperty("onMetaData")){if(y.onMetaData==null||typeof y.onMetaData!="object"){g.w(this.TAG,"Invalid onMetaData structure!");return}this._metadata&&g.w(this.TAG,"Found another onMetaData tag!"),this._metadata=y;let T=this._metadata.onMetaData;if(this._onMetaDataArrived&&this._onMetaDataArrived(Object.assign({},T)),typeof T.hasAudio=="boolean"&&this._hasAudioFlagOverrided===!1&&(this._hasAudio=T.hasAudio,this._mediaInfo.hasAudio=this._hasAudio),typeof T.hasVideo=="boolean"&&this._hasVideoFlagOverrided===!1&&(this._hasVideo=T.hasVideo,this._mediaInfo.hasVideo=this._hasVideo),typeof T.audiodatarate=="number"&&(this._mediaInfo.audioDataRate=T.audiodatarate),typeof T.videodatarate=="number"&&(this._mediaInfo.videoDataRate=T.videodatarate),typeof T.width=="number"&&(this._mediaInfo.width=T.width),typeof T.height=="number"&&(this._mediaInfo.height=T.height),typeof T.duration=="number"){if(!this._durationOverrided){let I=Math.floor(T.duration*this._timescale);this._duration=I,this._mediaInfo.duration=I}}else this._mediaInfo.duration=0;if(typeof T.framerate=="number"){let I=Math.floor(T.framerate*1e3);if(I>0){let P=I/1e3;this._referenceFrameRate.fixed=!0,this._referenceFrameRate.fps=P,this._referenceFrameRate.fps_num=I,this._referenceFrameRate.fps_den=1e3,this._mediaInfo.fps=P}}if(typeof T.keyframes=="object"){this._mediaInfo.hasKeyframesIndex=!0;let I=T.keyframes;this._mediaInfo.keyframesIndex=this._parseKeyframesIndex(I),T.keyframes=null}else this._mediaInfo.hasKeyframesIndex=!1;this._dispatch=!1,this._mediaInfo.metadata=T,g.v(this.TAG,"Parsed onMetaData"),this._mediaInfo.isComplete()&&this._onMediaInfo(this._mediaInfo)}Object.keys(y).length>0&&this._onScriptDataArrived&&this._onScriptDataArrived(Object.assign({},y))}_parseKeyframesIndex(c){let f=[],p=[];for(let y=1;y<c.times.length;y++){let T=this._timestampBase+Math.floor(c.times[y]*1e3);f.push(T),p.push(c.filepositions[y])}return{times:f,filepositions:p}}_parseAudioData(c,f,p,y){if(p<=1){g.w(this.TAG,"Flv: Invalid audio packet, missing SoundData payload!");return}if(this._hasAudioFlagOverrided===!0&&this._hasAudio===!1)return;let T=this._littleEndian,P=new DataView(c,f,p).getUint8(0),Re=P>>>4;if(Re!==2&&Re!==10){this._onError(Oe.CODEC_UNSUPPORTED,"Flv: Unsupported audio codec idx: "+Re);return}let Se=0,Be=(P&12)>>>2;if(Be>=0&&Be<=4)Se=this._flvSoundRateTable[Be];else{this._onError(Oe.FORMAT_ERROR,"Flv: Invalid audio sample rate idx: "+Be);return}let ft=(P&2)>>>1,mt=P&1,we=this._audioMetadata,ot=this._audioTrack;if(we||(this._hasAudio===!1&&this._hasAudioFlagOverrided===!1&&(this._hasAudio=!0,this._mediaInfo.hasAudio=!0),we=this._audioMetadata={},we.type="audio",we.id=ot.id,we.timescale=this._timescale,we.duration=this._duration,we.audioSampleRate=Se,we.channelCount=mt===0?1:2),Re===10){let Ye=this._parseAACAudioData(c,f+1,p-1);if(Ye==null)return;if(Ye.packetType===0){we.config&&g.w(this.TAG,"Found another AudioSpecificConfig!");let ue=Ye.data;we.audioSampleRate=ue.samplingRate,we.channelCount=ue.channelCount,we.codec=ue.codec,we.originalCodec=ue.originalCodec,we.config=ue.config,we.refSampleDuration=1024/we.audioSampleRate*we.timescale,g.v(this.TAG,"Parsed AudioSpecificConfig"),this._isInitialMetadataDispatched()?this._dispatch&&(this._audioTrack.length||this._videoTrack.length)&&this._onDataAvailable(this._audioTrack,this._videoTrack):this._audioInitialMetadataDispatched=!0,this._dispatch=!1,this._onTrackMetadata("audio",we);let ke=this._mediaInfo;ke.audioCodec=we.originalCodec,ke.audioSampleRate=we.audioSampleRate,ke.audioChannelCount=we.channelCount,ke.hasVideo?ke.videoCodec!=null&&(ke.mimeType='video/x-flv; codecs="'+ke.videoCodec+","+ke.audioCodec+'"'):ke.mimeType='video/x-flv; codecs="'+ke.audioCodec+'"',ke.isComplete()&&this._onMediaInfo(ke)}else if(Ye.packetType===1){let ue=this._timestampBase+y,ke={unit:Ye.data,length:Ye.data.byteLength,dts:ue,pts:ue};ot.samples.push(ke),ot.length+=Ye.data.length}else g.e(this.TAG,`Flv: Unsupported AAC data type ${Ye.packetType}`)}else if(Re===2){if(!we.codec){let Qe=this._parseMP3AudioData(c,f+1,p-1,!0);if(Qe==null)return;we.audioSampleRate=Qe.samplingRate,we.channelCount=Qe.channelCount,we.codec=Qe.codec,we.originalCodec=Qe.originalCodec,we.refSampleDuration=1152/we.audioSampleRate*we.timescale,g.v(this.TAG,"Parsed MPEG Audio Frame Header"),this._audioInitialMetadataDispatched=!0,this._onTrackMetadata("audio",we);let Ze=this._mediaInfo;Ze.audioCodec=we.codec,Ze.audioSampleRate=we.audioSampleRate,Ze.audioChannelCount=we.channelCount,Ze.audioDataRate=Qe.bitRate,Ze.hasVideo?Ze.videoCodec!=null&&(Ze.mimeType='video/x-flv; codecs="'+Ze.videoCodec+","+Ze.audioCodec+'"'):Ze.mimeType='video/x-flv; codecs="'+Ze.audioCodec+'"',Ze.isComplete()&&this._onMediaInfo(Ze)}let Ye=this._parseMP3AudioData(c,f+1,p-1,!1);if(Ye==null)return;let ue=this._timestampBase+y,ke={unit:Ye,length:Ye.byteLength,dts:ue,pts:ue};ot.samples.push(ke),ot.length+=Ye.length}}_parseAACAudioData(c,f,p){if(p<=1){g.w(this.TAG,"Flv: Invalid AAC packet, missing AACPacketType or/and Data!");return}let y={},T=new Uint8Array(c,f,p);return y.packetType=T[0],T[0]===0?y.data=this._parseAACAudioSpecificConfig(c,f+1,p-1):y.data=T.subarray(1),y}_parseAACAudioSpecificConfig(c,f,p){let y=new Uint8Array(c,f,p),T=null,I=0,P=0,Re=null,Se=0,Be=null;if(I=P=y[0]>>>3,Se=(y[0]&7)<<1|y[1]>>>7,Se<0||Se>=this._mpegSamplingRates.length){this._onError(Oe.FORMAT_ERROR,"Flv: AAC invalid sampling frequency index!");return}let ft=this._mpegSamplingRates[Se],mt=(y[1]&120)>>>3;if(mt<0||mt>=8){this._onError(Oe.FORMAT_ERROR,"Flv: AAC invalid channel configuration");return}I===5&&(Be=(y[1]&7)<<1|y[2]>>>7,Re=(y[2]&124)>>>2);let we=self.navigator.userAgent.toLowerCase();return we.indexOf("firefox")!==-1?Se>=6?(I=5,T=new Array(4),Be=Se-3):(I=2,T=new Array(2),Be=Se):we.indexOf("android")!==-1?(I=2,T=new Array(2),Be=Se):(I=5,Be=Se,T=new Array(4),Se>=6?Be=Se-3:mt===1&&(I=2,T=new Array(2),Be=Se)),T[0]=I<<3,T[0]|=(Se&15)>>>1,T[1]=(Se&15)<<7,T[1]|=(mt&15)<<3,I===5&&(T[1]|=(Be&15)>>>1,T[2]=(Be&1)<<7,T[2]|=8,T[3]=0),{config:T,samplingRate:ft,channelCount:mt,codec:"mp4a.40."+I,originalCodec:"mp4a.40."+P}}_parseMP3AudioData(c,f,p,y){if(p<4){g.w(this.TAG,"Flv: Invalid MP3 packet, header missing!");return}let T=this._littleEndian,I=new Uint8Array(c,f,p),P=null;if(y){if(I[0]!==255)return;let Re=I[1]>>>3&3,Se=(I[1]&6)>>1,Be=(I[2]&240)>>>4,ft=(I[2]&12)>>>2,we=(I[3]>>>6&3)!==3?2:1,ot=0,Ye=0,ue=34,ke="mp3";switch(Re){case 0:ot=this._mpegAudioV25SampleRateTable[ft];break;case 2:ot=this._mpegAudioV20SampleRateTable[ft];break;case 3:ot=this._mpegAudioV10SampleRateTable[ft];break}switch(Se){case 1:ue=34,Be<this._mpegAudioL3BitRateTable.length&&(Ye=this._mpegAudioL3BitRateTable[Be]);break;case 2:ue=33,Be<this._mpegAudioL2BitRateTable.length&&(Ye=this._mpegAudioL2BitRateTable[Be]);break;case 3:ue=32,Be<this._mpegAudioL1BitRateTable.length&&(Ye=this._mpegAudioL1BitRateTable[Be]);break}P={bitRate:Ye,samplingRate:ot,channelCount:we,codec:ke,originalCodec:ke}}else P=I;return P}_parseVideoData(c,f,p,y,T){if(p<=1){g.w(this.TAG,"Flv: Invalid video packet, missing VideoData payload!");return}if(this._hasVideoFlagOverrided===!0&&this._hasVideo===!1)return;let I=new Uint8Array(c,f,p)[0],P=(I&240)>>>4,Re=I&15;if(Re!==7){this._onError(Oe.CODEC_UNSUPPORTED,`Flv: Unsupported codec in video frame: ${Re}`);return}this._parseAVCVideoPacket(c,f+1,p-1,y,T,P)}_parseAVCVideoPacket(c,f,p,y,T,I){if(p<4){g.w(this.TAG,"Flv: Invalid AVC packet, missing AVCPacketType or/and CompositionTime");return}let P=this._littleEndian,Re=new DataView(c,f,p),Se=Re.getUint8(0),ft=(Re.getUint32(0,!P)&16777215)<<8>>8;if(Se===0)this._parseAVCDecoderConfigurationRecord(c,f+4,p-4);else if(Se===1)this._parseAVCVideoData(c,f+4,p-4,y,T,I,ft);else if(Se!==2){this._onError(Oe.FORMAT_ERROR,`Flv: Invalid video packet type ${Se}`);return}}_parseAVCDecoderConfigurationRecord(c,f,p){if(p<7){g.w(this.TAG,"Flv: Invalid AVCDecoderConfigurationRecord, lack of data!");return}let y=this._videoMetadata,T=this._videoTrack,I=this._littleEndian,P=new DataView(c,f,p);y?typeof y.avcc!="undefined"&&g.w(this.TAG,"Found another AVCDecoderConfigurationRecord!"):(this._hasVideo===!1&&this._hasVideoFlagOverrided===!1&&(this._hasVideo=!0,this._mediaInfo.hasVideo=!0),y=this._videoMetadata={},y.type="video",y.id=T.id,y.timescale=this._timescale,y.duration=this._duration);let Re=P.getUint8(0),Se=P.getUint8(1),Be=P.getUint8(2),ft=P.getUint8(3);if(Re!==1||Se===0){this._onError(Oe.FORMAT_ERROR,"Flv: Invalid AVCDecoderConfigurationRecord");return}if(this._naluLengthSize=(P.getUint8(4)&3)+1,this._naluLengthSize!==3&&this._naluLengthSize!==4){this._onError(Oe.FORMAT_ERROR,`Flv: Strange NaluLengthSizeMinusOne: ${this._naluLengthSize-1}`);return}let mt=P.getUint8(5)&31;if(mt===0){this._onError(Oe.FORMAT_ERROR,"Flv: Invalid AVCDecoderConfigurationRecord: No SPS");return}else mt>1&&g.w(this.TAG,`Flv: Strange AVCDecoderConfigurationRecord: SPS Count = ${mt}`);let we=6;for(let Ye=0;Ye<mt;Ye++){let ue=P.getUint16(we,!I);if(we+=2,ue===0)continue;let ke=new Uint8Array(c,f+we,ue);we+=ue;let Qe=M.parseSPS(ke);if(Ye!==0)continue;y.codecWidth=Qe.codec_size.width,y.codecHeight=Qe.codec_size.height,y.presentWidth=Qe.present_size.width,y.presentHeight=Qe.present_size.height,y.profile=Qe.profile_string,y.level=Qe.level_string,y.bitDepth=Qe.bit_depth,y.chromaFormat=Qe.chroma_format,y.sarRatio=Qe.sar_ratio,y.frameRate=Qe.frame_rate,(Qe.frame_rate.fixed===!1||Qe.frame_rate.fps_num===0||Qe.frame_rate.fps_den===0)&&(y.frameRate=this._referenceFrameRate);let Ze=y.frameRate.fps_den,Kt=y.frameRate.fps_num;y.refSampleDuration=y.timescale*(Ze/Kt);let Et=ke.subarray(1,4),bi="avc1.";for(let $e=0;$e<3;$e++){let ct=Et[$e].toString(16);ct.length<2&&(ct="0"+ct),bi+=ct}y.codec=bi;let qe=this._mediaInfo;qe.width=y.codecWidth,qe.height=y.codecHeight,qe.fps=y.frameRate.fps,qe.profile=y.profile,qe.level=y.level,qe.refFrames=Qe.ref_frames,qe.chromaFormat=Qe.chroma_format_string,qe.sarNum=y.sarRatio.width,qe.sarDen=y.sarRatio.height,qe.videoCodec=bi,qe.hasAudio?qe.audioCodec!=null&&(qe.mimeType='video/x-flv; codecs="'+qe.videoCodec+","+qe.audioCodec+'"'):qe.mimeType='video/x-flv; codecs="'+qe.videoCodec+'"',qe.isComplete()&&this._onMediaInfo(qe)}let ot=P.getUint8(we);if(ot===0){this._onError(Oe.FORMAT_ERROR,"Flv: Invalid AVCDecoderConfigurationRecord: No PPS");return}else ot>1&&g.w(this.TAG,`Flv: Strange AVCDecoderConfigurationRecord: PPS Count = ${ot}`);we++;for(let Ye=0;Ye<ot;Ye++){let ue=P.getUint16(we,!I);we+=2,ue!==0&&(we+=ue)}y.avcc=new Uint8Array(p),y.avcc.set(new Uint8Array(c,f,p),0),g.v(this.TAG,"Parsed AVCDecoderConfigurationRecord"),this._isInitialMetadataDispatched()?this._dispatch&&(this._audioTrack.length||this._videoTrack.length)&&this._onDataAvailable(this._audioTrack,this._videoTrack):this._videoInitialMetadataDispatched=!0,this._dispatch=!1,this._onTrackMetadata("video",y)}_parseAVCVideoData(c,f,p,y,T,I,P){let Re=this._littleEndian,Se=new DataView(c,f,p),Be=[],ft=0,mt=0;const we=this._naluLengthSize;let ot=this._timestampBase+y,Ye=I===1;for(;mt<p;){if(mt+4>=p){g.w(this.TAG,`Malformed Nalu near timestamp ${ot}, offset = ${mt}, dataSize = ${p}`);break}let ue=Se.getUint32(mt,!Re);if(we===3&&(ue>>>=8),ue>p-we){g.w(this.TAG,`Malformed Nalus near timestamp ${ot}, NaluSize > DataSize!`);return}let ke=Se.getUint8(mt+we)&31;ke===5&&(Ye=!0);let Qe=new Uint8Array(c,f+mt,we+ue),Ze={type:ke,data:Qe};Be.push(Ze),ft+=Qe.byteLength,mt+=we+ue}if(Be.length){let ue=this._videoTrack,ke={units:Be,length:ft,isKeyframe:Ye,dts:ot,cts:P,pts:ot+P};Ye&&(ke.fileposition=T),ue.samples.push(ke),ue.length+=ft}}}var J=Q;class k{static init(){k.types={avc1:[],avcC:[],btrt:[],dinf:[],dref:[],esds:[],ftyp:[],hdlr:[],mdat:[],mdhd:[],mdia:[],mfhd:[],minf:[],moof:[],moov:[],mp4a:[],mvex:[],mvhd:[],sdtp:[],stbl:[],stco:[],stsc:[],stsd:[],stsz:[],stts:[],tfdt:[],tfhd:[],traf:[],trak:[],trun:[],trex:[],tkhd:[],vmhd:[],smhd:[],".mp3":[]};for(let f in k.types)k.types.hasOwnProperty(f)&&(k.types[f]=[f.charCodeAt(0),f.charCodeAt(1),f.charCodeAt(2),f.charCodeAt(3)]);let c=k.constants={};c.FTYP=new Uint8Array([105,115,111,109,0,0,0,1,105,115,111,109,97,118,99,49]),c.STSD_PREFIX=new Uint8Array([0,0,0,0,0,0,0,1]),c.STTS=new Uint8Array([0,0,0,0,0,0,0,0]),c.STSC=c.STCO=c.STTS,c.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),c.HDLR_VIDEO=new Uint8Array([0,0,0,0,0,0,0,0,118,105,100,101,0,0,0,0,0,0,0,0,0,0,0,0,86,105,100,101,111,72,97,110,100,108,101,114,0]),c.HDLR_AUDIO=new Uint8Array([0,0,0,0,0,0,0,0,115,111,117,110,0,0,0,0,0,0,0,0,0,0,0,0,83,111,117,110,100,72,97,110,100,108,101,114,0]),c.DREF=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),c.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),c.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0])}static box(c){let f=8,p=null,y=Array.prototype.slice.call(arguments,1),T=y.length;for(let P=0;P<T;P++)f+=y[P].byteLength;p=new Uint8Array(f),p[0]=f>>>24&255,p[1]=f>>>16&255,p[2]=f>>>8&255,p[3]=f&255,p.set(c,4);let I=8;for(let P=0;P<T;P++)p.set(y[P],I),I+=y[P].byteLength;return p}static generateInitSegment(c){let f=k.box(k.types.ftyp,k.constants.FTYP),p=k.moov(c),y=new Uint8Array(f.byteLength+p.byteLength);return y.set(f,0),y.set(p,f.byteLength),y}static moov(c){let f=k.mvhd(c.timescale,c.duration),p=k.trak(c),y=k.mvex(c);return k.box(k.types.moov,f,p,y)}static mvhd(c,f){return k.box(k.types.mvhd,new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0,c>>>24&255,c>>>16&255,c>>>8&255,c&255,f>>>24&255,f>>>16&255,f>>>8&255,f&255,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]))}static trak(c){return k.box(k.types.trak,k.tkhd(c),k.mdia(c))}static tkhd(c){let f=c.id,p=c.duration,y=c.presentWidth,T=c.presentHeight;return k.box(k.types.tkhd,new Uint8Array([0,0,0,7,0,0,0,0,0,0,0,0,f>>>24&255,f>>>16&255,f>>>8&255,f&255,0,0,0,0,p>>>24&255,p>>>16&255,p>>>8&255,p&255,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,y>>>8&255,y&255,0,0,T>>>8&255,T&255,0,0]))}static mdia(c){return k.box(k.types.mdia,k.mdhd(c),k.hdlr(c),k.minf(c))}static mdhd(c){let f=c.timescale,p=c.duration;return k.box(k.types.mdhd,new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0,f>>>24&255,f>>>16&255,f>>>8&255,f&255,p>>>24&255,p>>>16&255,p>>>8&255,p&255,85,196,0,0]))}static hdlr(c){let f=null;return c.type==="audio"?f=k.constants.HDLR_AUDIO:f=k.constants.HDLR_VIDEO,k.box(k.types.hdlr,f)}static minf(c){let f=null;return c.type==="audio"?f=k.box(k.types.smhd,k.constants.SMHD):f=k.box(k.types.vmhd,k.constants.VMHD),k.box(k.types.minf,f,k.dinf(),k.stbl(c))}static dinf(){return k.box(k.types.dinf,k.box(k.types.dref,k.constants.DREF))}static stbl(c){return k.box(k.types.stbl,k.stsd(c),k.box(k.types.stts,k.constants.STTS),k.box(k.types.stsc,k.constants.STSC),k.box(k.types.stsz,k.constants.STSZ),k.box(k.types.stco,k.constants.STCO))}static stsd(c){return c.type==="audio"?c.codec==="mp3"?k.box(k.types.stsd,k.constants.STSD_PREFIX,k.mp3(c)):k.box(k.types.stsd,k.constants.STSD_PREFIX,k.mp4a(c)):k.box(k.types.stsd,k.constants.STSD_PREFIX,k.avc1(c))}static mp3(c){let f=c.channelCount,p=c.audioSampleRate,y=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,f,0,16,0,0,0,0,p>>>8&255,p&255,0,0]);return k.box(k.types[".mp3"],y)}static mp4a(c){let f=c.channelCount,p=c.audioSampleRate,y=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,f,0,16,0,0,0,0,p>>>8&255,p&255,0,0]);return k.box(k.types.mp4a,y,k.esds(c))}static esds(c){let f=c.config||[],p=f.length,y=new Uint8Array([0,0,0,0,3,23+p,0,1,0,4,15+p,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([p]).concat(f).concat([6,1,2]));return k.box(k.types.esds,y)}static avc1(c){let f=c.avcc,p=c.codecWidth,y=c.codecHeight,T=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,p>>>8&255,p&255,y>>>8&255,y&255,0,72,0,0,0,72,0,0,0,0,0,0,0,1,10,120,113,113,47,102,108,118,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,255,255]);return k.box(k.types.avc1,T,k.box(k.types.avcC,f))}static mvex(c){return k.box(k.types.mvex,k.trex(c))}static trex(c){let f=c.id,p=new Uint8Array([0,0,0,0,f>>>24&255,f>>>16&255,f>>>8&255,f&255,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]);return k.box(k.types.trex,p)}static moof(c,f){return k.box(k.types.moof,k.mfhd(c.sequenceNumber),k.traf(c,f))}static mfhd(c){let f=new Uint8Array([0,0,0,0,c>>>24&255,c>>>16&255,c>>>8&255,c&255]);return k.box(k.types.mfhd,f)}static traf(c,f){let p=c.id,y=k.box(k.types.tfhd,new Uint8Array([0,0,0,0,p>>>24&255,p>>>16&255,p>>>8&255,p&255])),T=k.box(k.types.tfdt,new Uint8Array([0,0,0,0,f>>>24&255,f>>>16&255,f>>>8&255,f&255])),I=k.sdtp(c),P=k.trun(c,I.byteLength+16+16+8+16+8+8);return k.box(k.types.traf,y,T,P,I)}static sdtp(c){let f=c.samples||[],p=f.length,y=new Uint8Array(4+p);for(let T=0;T<p;T++){let I=f[T].flags;y[T+4]=I.isLeading<<6|I.dependsOn<<4|I.isDependedOn<<2|I.hasRedundancy}return k.box(k.types.sdtp,y)}static trun(c,f){let p=c.samples||[],y=p.length,T=12+16*y,I=new Uint8Array(T);f+=8+T,I.set([0,0,15,1,y>>>24&255,y>>>16&255,y>>>8&255,y&255,f>>>24&255,f>>>16&255,f>>>8&255,f&255],0);for(let P=0;P<y;P++){let Re=p[P].duration,Se=p[P].size,Be=p[P].flags,ft=p[P].cts;I.set([Re>>>24&255,Re>>>16&255,Re>>>8&255,Re&255,Se>>>24&255,Se>>>16&255,Se>>>8&255,Se&255,Be.isLeading<<2|Be.dependsOn,Be.isDependedOn<<6|Be.hasRedundancy<<4|Be.isNonSync,0,0,ft>>>24&255,ft>>>16&255,ft>>>8&255,ft&255],12+16*P)}return k.box(k.types.trun,I)}static mdat(c){return k.box(k.types.mdat,c)}}k.init();var Te=k;class ze{static getSilentFrame(c,f){if(c==="mp4a.40.2"){if(f===1)return new Uint8Array([0,200,0,128,35,128]);if(f===2)return new Uint8Array([33,0,73,144,2,25,0,35,128]);if(f===3)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,142]);if(f===4)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,128,44,128,8,2,56]);if(f===5)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(f===6)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(f===1)return new Uint8Array([1,64,34,128,163,78,230,128,186,8,0,0,0,28,6,241,193,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(f===2)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(f===3)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94])}return null}}var Ge=ze;class Gt{constructor(c,f,p,y,T){this.dts=c,this.pts=f,this.duration=p,this.originalDts=y,this.isSyncPoint=T,this.fileposition=null}}class ui{constructor(){this.beginDts=0,this.endDts=0,this.beginPts=0,this.endPts=0,this.originalBeginDts=0,this.originalEndDts=0,this.syncPoints=[],this.firstSample=null,this.lastSample=null}appendSyncPoint(c){c.isSyncPoint=!0,this.syncPoints.push(c)}}class Lt{constructor(){this._list=[]}clear(){this._list=[]}appendArray(c){let f=this._list;c.length!==0&&(f.length>0&&c[0].originalDts<f[f.length-1].originalDts&&this.clear(),Array.prototype.push.apply(f,c))}getLastSyncPointBeforeDts(c){if(this._list.length==0)return null;let f=this._list,p=0,y=f.length-1,T=0,I=0,P=y;for(c<f[0].dts&&(p=0,I=P+1);I<=P;)if(T=I+Math.floor((P-I)/2),T===y||c>=f[T].dts&&c<f[T+1].dts){p=T;break}else f[T].dts<c?I=T+1:P=T-1;return this._list[p]}}class Dt{constructor(c){this._type=c,this._list=[],this._lastAppendLocation=-1}get type(){return this._type}get length(){return this._list.length}isEmpty(){return this._list.length===0}clear(){this._list=[],this._lastAppendLocation=-1}_searchNearestSegmentBefore(c){let f=this._list;if(f.length===0)return-2;let p=f.length-1,y=0,T=0,I=p,P=0;if(c<f[0].originalBeginDts)return P=-1,P;for(;T<=I;)if(y=T+Math.floor((I-T)/2),y===p||c>f[y].lastSample.originalDts&&c<f[y+1].originalBeginDts){P=y;break}else f[y].originalBeginDts<c?T=y+1:I=y-1;return P}_searchNearestSegmentAfter(c){return this._searchNearestSegmentBefore(c)+1}append(c){let f=this._list,p=c,y=this._lastAppendLocation,T=0;y!==-1&&y<f.length&&p.originalBeginDts>=f[y].lastSample.originalDts&&(y===f.length-1||y<f.length-1&&p.originalBeginDts<f[y+1].originalBeginDts)?T=y+1:f.length>0&&(T=this._searchNearestSegmentBefore(p.originalBeginDts)+1),this._lastAppendLocation=T,this._list.splice(T,0,p)}getLastSegmentBefore(c){let f=this._searchNearestSegmentBefore(c);return f>=0?this._list[f]:null}getLastSampleBefore(c){let f=this.getLastSegmentBefore(c);return f!=null?f.lastSample:null}getLastSyncPointBefore(c){let f=this._searchNearestSegmentBefore(c),p=this._list[f].syncPoints;for(;p.length===0&&f>0;)f--,p=this._list[f].syncPoints;return p.length>0?p[p.length-1]:null}}class Wt{constructor(c){this.TAG="MP4Remuxer",this._config=c,this._isLive=c.isLive===!0,this._dtsBase=-1,this._dtsBaseInited=!1,this._audioDtsBase=1/0,this._videoDtsBase=1/0,this._audioNextDts=void 0,this._videoNextDts=void 0,this._audioStashedLastSample=null,this._videoStashedLastSample=null,this._audioMeta=null,this._videoMeta=null,this._audioSegmentInfoList=new Dt("audio"),this._videoSegmentInfoList=new Dt("video"),this._onInitSegment=null,this._onMediaSegment=null,this._forceFirstIDR=!!(ge.chrome&&(ge.version.major<50||ge.version.major===50&&ge.version.build<2661)),this._fillSilentAfterSeek=ge.msedge||ge.msie,this._mp3UseMpegAudio=!ge.firefox,this._fillAudioTimestampGap=this._config.fixAudioTimestampGap}destroy(){this._dtsBase=-1,this._dtsBaseInited=!1,this._audioMeta=null,this._videoMeta=null,this._audioSegmentInfoList.clear(),this._audioSegmentInfoList=null,this._videoSegmentInfoList.clear(),this._videoSegmentInfoList=null,this._onInitSegment=null,this._onMediaSegment=null}bindDataSource(c){return c.onDataAvailable=this.remux.bind(this),c.onTrackMetadata=this._onTrackMetadataReceived.bind(this),this}get onInitSegment(){return this._onInitSegment}set onInitSegment(c){this._onInitSegment=c}get onMediaSegment(){return this._onMediaSegment}set onMediaSegment(c){this._onMediaSegment=c}insertDiscontinuity(){this._audioNextDts=this._videoNextDts=void 0}seek(c){this._audioStashedLastSample=null,this._videoStashedLastSample=null,this._videoSegmentInfoList.clear(),this._audioSegmentInfoList.clear()}remux(c,f){if(!this._onMediaSegment)throw new nt("MP4Remuxer: onMediaSegment callback must be specificed!");this._dtsBaseInited||this._calculateDtsBase(c,f),this._remuxVideo(f),this._remuxAudio(c)}_onTrackMetadataReceived(c,f){let p=null,y="mp4",T=f.codec;if(c==="audio")this._audioMeta=f,f.codec==="mp3"&&this._mp3UseMpegAudio?(y="mpeg",T="",p=new Uint8Array):p=Te.generateInitSegment(f);else if(c==="video")this._videoMeta=f,p=Te.generateInitSegment(f);else return;if(!this._onInitSegment)throw new nt("MP4Remuxer: onInitSegment callback must be specified!");this._onInitSegment(c,{type:c,data:p.buffer,codec:T,container:`${c}/${y}`,mediaDuration:f.duration})}_calculateDtsBase(c,f){this._dtsBaseInited||(c.samples&&c.samples.length&&(this._audioDtsBase=c.samples[0].dts),f.samples&&f.samples.length&&(this._videoDtsBase=f.samples[0].dts),this._dtsBase=Math.min(this._audioDtsBase,this._videoDtsBase),this._dtsBaseInited=!0)}flushStashedSamples(){let c=this._videoStashedLastSample,f=this._audioStashedLastSample,p={type:"video",id:1,sequenceNumber:0,samples:[],length:0};c!=null&&(p.samples.push(c),p.length=c.length);let y={type:"audio",id:2,sequenceNumber:0,samples:[],length:0};f!=null&&(y.samples.push(f),y.length=f.length),this._videoStashedLastSample=null,this._audioStashedLastSample=null,this._remuxVideo(p,!0),this._remuxAudio(y,!0)}_remuxAudio(c,f){if(this._audioMeta==null)return;let p=c,y=p.samples,T,I=-1,P=-1,Re=-1,Se=this._audioMeta.refSampleDuration,Be=this._audioMeta.codec==="mp3"&&this._mp3UseMpegAudio,ft=this._dtsBaseInited&&this._audioNextDts===void 0,mt=!1;if(!y||y.length===0||y.length===1&&!f)return;let we=0,ot=null,Ye=0;Be?(we=0,Ye=p.length):(we=8,Ye=8+p.length);let ue=null;if(y.length>1&&(ue=y.pop(),Ye-=ue.length),this._audioStashedLastSample!=null){let qe=this._audioStashedLastSample;this._audioStashedLastSample=null,y.unshift(qe),Ye+=qe.length}ue!=null&&(this._audioStashedLastSample=ue);let ke=y[0].dts-this._dtsBase;if(this._audioNextDts)T=ke-this._audioNextDts;else if(this._audioSegmentInfoList.isEmpty())T=0,this._fillSilentAfterSeek&&!this._videoSegmentInfoList.isEmpty()&&this._audioMeta.originalCodec!=="mp3"&&(mt=!0);else{let qe=this._audioSegmentInfoList.getLastSampleBefore(ke);if(qe!=null){let $e=ke-(qe.originalDts+qe.duration);$e<=3&&($e=0);let ct=qe.dts+qe.duration+$e;T=ke-ct}else T=0}if(mt){let qe=ke-T,$e=this._videoSegmentInfoList.getLastSegmentBefore(ke);if($e!=null&&$e.beginDts<qe){let ct=Ge.getSilentFrame(this._audioMeta.originalCodec,this._audioMeta.channelCount);if(ct){let w=$e.beginDts,H=qe-$e.beginDts;g.v(this.TAG,`InsertPrefixSilentAudio: dts: ${w}, duration: ${H}`),y.unshift({unit:ct,dts:w,pts:w}),Ye+=ct.byteLength}}else mt=!1}let Qe=[];for(let qe=0;qe<y.length;qe++){let $e=y[qe],ct=$e.unit,w=$e.dts-this._dtsBase,H=w-T;I===-1&&(I=H);let ae=0;qe!==y.length-1?ae=y[qe+1].dts-this._dtsBase-T-H:ue!=null?ae=ue.dts-this._dtsBase-T-H:Qe.length>=1?ae=Qe[Qe.length-1].duration:ae=Math.floor(Se);let ee=!1,de=null;if(ae>Se*1.5&&this._audioMeta.codec!=="mp3"&&this._fillAudioTimestampGap&&!ge.safari){ee=!0;let me=Math.abs(ae-Se),Ie=Math.ceil(me/Se),je=H+Se;g.w(this.TAG,`Large audio timestamp gap detected, may cause AV sync to drift. Silent frames will be generated to avoid unsync.
|
|
dts: ${H+ae} ms, expected: ${H+Math.round(Se)} ms, delta: ${Math.round(me)} ms, generate: ${Ie} frames`);let Mt=Ge.getSilentFrame(this._audioMeta.originalCodec,this._audioMeta.channelCount);Mt==null&&(g.w(this.TAG,`Unable to generate silent frame for ${this._audioMeta.originalCodec} with ${this._audioMeta.channelCount} channels, repeat last frame`),Mt=ct),de=[];for(let At=0;At<Ie;At++){let gt=Math.round(je);if(de.length>0){let Ut=de[de.length-1];Ut.duration=gt-Ut.dts}let Bt={dts:gt,pts:gt,cts:0,unit:Mt,size:Mt.byteLength,duration:0,originalDts:w,flags:{isLeading:0,dependsOn:1,isDependedOn:0,hasRedundancy:0}};de.push(Bt),Ye+=Bt.size,je+=Se}let tt=de[de.length-1];tt.duration=H+ae-tt.dts,ae=Math.round(Se)}Qe.push({dts:H,pts:H,cts:0,unit:$e.unit,size:$e.unit.byteLength,duration:ae,originalDts:w,flags:{isLeading:0,dependsOn:1,isDependedOn:0,hasRedundancy:0}}),ee&&Qe.push.apply(Qe,de)}Be?ot=new Uint8Array(Ye):(ot=new Uint8Array(Ye),ot[0]=Ye>>>24&255,ot[1]=Ye>>>16&255,ot[2]=Ye>>>8&255,ot[3]=Ye&255,ot.set(Te.types.mdat,4));for(let qe=0;qe<Qe.length;qe++){let $e=Qe[qe].unit;ot.set($e,we),we+=$e.byteLength}let Ze=Qe[Qe.length-1];P=Ze.dts+Ze.duration,this._audioNextDts=P;let Kt=new ui;Kt.beginDts=I,Kt.endDts=P,Kt.beginPts=I,Kt.endPts=P,Kt.originalBeginDts=Qe[0].originalDts,Kt.originalEndDts=Ze.originalDts+Ze.duration,Kt.firstSample=new Gt(Qe[0].dts,Qe[0].pts,Qe[0].duration,Qe[0].originalDts,!1),Kt.lastSample=new Gt(Ze.dts,Ze.pts,Ze.duration,Ze.originalDts,!1),this._isLive||this._audioSegmentInfoList.append(Kt),p.samples=Qe,p.sequenceNumber++;let Et=null;Be?Et=new Uint8Array:Et=Te.moof(p,I),p.samples=[],p.length=0;let bi={type:"audio",data:this._mergeBoxes(Et,ot).buffer,sampleCount:Qe.length,info:Kt};Be&&ft&&(bi.timestampOffset=I),this._onMediaSegment("audio",bi)}_remuxVideo(c,f){if(this._videoMeta==null)return;let p=c,y=p.samples,T,I=-1,P=-1,Re=-1,Se=-1;if(!y||y.length===0||y.length===1&&!f)return;let Be=8,ft=null,mt=8+c.length,we=null;if(y.length>1&&(we=y.pop(),mt-=we.length),this._videoStashedLastSample!=null){let Ze=this._videoStashedLastSample;this._videoStashedLastSample=null,y.unshift(Ze),mt+=Ze.length}we!=null&&(this._videoStashedLastSample=we);let ot=y[0].dts-this._dtsBase;if(this._videoNextDts)T=ot-this._videoNextDts;else if(this._videoSegmentInfoList.isEmpty())T=0;else{let Ze=this._videoSegmentInfoList.getLastSampleBefore(ot);if(Ze!=null){let Kt=ot-(Ze.originalDts+Ze.duration);Kt<=3&&(Kt=0);let Et=Ze.dts+Ze.duration+Kt;T=ot-Et}else T=0}let Ye=new ui,ue=[];for(let Ze=0;Ze<y.length;Ze++){let Kt=y[Ze],Et=Kt.dts-this._dtsBase,bi=Kt.isKeyframe,qe=Et-T,$e=Kt.cts,ct=qe+$e;I===-1&&(I=qe,Re=ct);let w=0;if(Ze!==y.length-1?w=y[Ze+1].dts-this._dtsBase-T-qe:we!=null?w=we.dts-this._dtsBase-T-qe:ue.length>=1?w=ue[ue.length-1].duration:w=Math.floor(this._videoMeta.refSampleDuration),bi){let H=new Gt(qe,ct,w,Kt.dts,!0);H.fileposition=Kt.fileposition,Ye.appendSyncPoint(H)}ue.push({dts:qe,pts:ct,cts:$e,units:Kt.units,size:Kt.length,isKeyframe:bi,duration:w,originalDts:Et,flags:{isLeading:0,dependsOn:bi?2:1,isDependedOn:bi?1:0,hasRedundancy:0,isNonSync:bi?0:1}})}ft=new Uint8Array(mt),ft[0]=mt>>>24&255,ft[1]=mt>>>16&255,ft[2]=mt>>>8&255,ft[3]=mt&255,ft.set(Te.types.mdat,4);for(let Ze=0;Ze<ue.length;Ze++){let Kt=ue[Ze].units;for(;Kt.length;){let bi=Kt.shift().data;ft.set(bi,Be),Be+=bi.byteLength}}let ke=ue[ue.length-1];if(P=ke.dts+ke.duration,Se=ke.pts+ke.duration,this._videoNextDts=P,Ye.beginDts=I,Ye.endDts=P,Ye.beginPts=Re,Ye.endPts=Se,Ye.originalBeginDts=ue[0].originalDts,Ye.originalEndDts=ke.originalDts+ke.duration,Ye.firstSample=new Gt(ue[0].dts,ue[0].pts,ue[0].duration,ue[0].originalDts,ue[0].isKeyframe),Ye.lastSample=new Gt(ke.dts,ke.pts,ke.duration,ke.originalDts,ke.isKeyframe),this._isLive||this._videoSegmentInfoList.append(Ye),p.samples=ue,p.sequenceNumber++,this._forceFirstIDR){let Ze=ue[0].flags;Ze.dependsOn=2,Ze.isNonSync=0}let Qe=Te.moof(p,I);p.samples=[],p.length=0,this._onMediaSegment("video",{type:"video",data:this._mergeBoxes(Qe,ft).buffer,sampleCount:ue.length,info:Ye})}_mergeBoxes(c,f){let p=new Uint8Array(c.byteLength+f.byteLength);return p.set(c,0),p.set(f,c.byteLength),p}}var Zt=Wt,ve={IO_ERROR:"io_error",DEMUX_ERROR:"demux_error",INIT_SEGMENT:"init_segment",MEDIA_SEGMENT:"media_segment",LOADING_COMPLETE:"loading_complete",RECOVERED_EARLY_EOF:"recovered_early_eof",MEDIA_INFO:"media_info",METADATA_ARRIVED:"metadata_arrived",SCRIPTDATA_ARRIVED:"scriptdata_arrived",STATISTICS_INFO:"statistics_info",RECOMMEND_SEEKPOINT:"recommend_seekpoint"};class Ft{constructor(c,f){this.TAG="TransmuxingController",this._emitter=new(Z()),this._config=f,c.segments||(c.segments=[{duration:c.duration,filesize:c.filesize,url:c.url}]),typeof c.cors!="boolean"&&(c.cors=!0),typeof c.withCredentials!="boolean"&&(c.withCredentials=!1),this._mediaDataSource=c,this._currentSegmentIndex=0;let p=0;this._mediaDataSource.segments.forEach(y=>{y.timestampBase=p,p+=y.duration,y.cors=c.cors,y.withCredentials=c.withCredentials,f.referrerPolicy&&(y.referrerPolicy=f.referrerPolicy)}),!isNaN(p)&&this._mediaDataSource.duration!==p&&(this._mediaDataSource.duration=p),this._mediaInfo=null,this._demuxer=null,this._remuxer=null,this._ioctl=null,this._pendingSeekTime=null,this._pendingResolveSeekPoint=null,this._statisticsReporter=null}destroy(){this._mediaInfo=null,this._mediaDataSource=null,this._statisticsReporter&&this._disableStatisticsReporter(),this._ioctl&&(this._ioctl.destroy(),this._ioctl=null),this._demuxer&&(this._demuxer.destroy(),this._demuxer=null),this._remuxer&&(this._remuxer.destroy(),this._remuxer=null),this._emitter.removeAllListeners(),this._emitter=null}on(c,f){this._emitter.addListener(c,f)}off(c,f){this._emitter.removeListener(c,f)}start(){this._loadSegment(0),this._enableStatisticsReporter()}_loadSegment(c,f){this._currentSegmentIndex=c;let p=this._mediaDataSource.segments[c],y=this._ioctl=new Me(p,this._config,c);y.onError=this._onIOException.bind(this),y.onSeeked=this._onIOSeeked.bind(this),y.onComplete=this._onIOComplete.bind(this),y.onRedirect=this._onIORedirect.bind(this),y.onRecoveredEarlyEof=this._onIORecoveredEarlyEof.bind(this),f?this._demuxer.bindDataSource(this._ioctl):y.onDataArrival=this._onInitChunkArrival.bind(this),y.open(f)}stop(){this._internalAbort(),this._disableStatisticsReporter()}_internalAbort(){this._ioctl&&(this._ioctl.destroy(),this._ioctl=null)}pause(){this._ioctl&&this._ioctl.isWorking()&&(this._ioctl.pause(),this._disableStatisticsReporter())}resume(){this._ioctl&&this._ioctl.isPaused()&&(this._ioctl.resume(),this._enableStatisticsReporter())}seek(c){if(this._mediaInfo==null||!this._mediaInfo.isSeekable())return;let f=this._searchSegmentIndexContains(c);if(f===this._currentSegmentIndex){let p=this._mediaInfo.segments[f];if(p==null)this._pendingSeekTime=c;else{let y=p.getNearestKeyframe(c);this._remuxer.seek(y.milliseconds),this._ioctl.seek(y.fileposition),this._pendingResolveSeekPoint=y.milliseconds}}else{let p=this._mediaInfo.segments[f];if(p==null)this._pendingSeekTime=c,this._internalAbort(),this._remuxer.seek(),this._remuxer.insertDiscontinuity(),this._loadSegment(f);else{let y=p.getNearestKeyframe(c);this._internalAbort(),this._remuxer.seek(c),this._remuxer.insertDiscontinuity(),this._demuxer.resetMediaInfo(),this._demuxer.timestampBase=this._mediaDataSource.segments[f].timestampBase,this._loadSegment(f,y.fileposition),this._pendingResolveSeekPoint=y.milliseconds,this._reportSegmentMediaInfo(f)}}this._enableStatisticsReporter()}_searchSegmentIndexContains(c){let f=this._mediaDataSource.segments,p=f.length-1;for(let y=0;y<f.length;y++)if(c<f[y].timestampBase){p=y-1;break}return p}_onInitChunkArrival(c,f){let p=null,y=0;if(f>0)this._demuxer.bindDataSource(this._ioctl),this._demuxer.timestampBase=this._mediaDataSource.segments[this._currentSegmentIndex].timestampBase,y=this._demuxer.parseChunks(c,f);else if((p=J.probe(c)).match){this._demuxer=new J(p,this._config),this._remuxer||(this._remuxer=new Zt(this._config));let T=this._mediaDataSource;T.duration!=null&&!isNaN(T.duration)&&(this._demuxer.overridedDuration=T.duration),typeof T.hasAudio=="boolean"&&(this._demuxer.overridedHasAudio=T.hasAudio),typeof T.hasVideo=="boolean"&&(this._demuxer.overridedHasVideo=T.hasVideo),this._demuxer.timestampBase=T.segments[this._currentSegmentIndex].timestampBase,this._demuxer.onError=this._onDemuxException.bind(this),this._demuxer.onMediaInfo=this._onMediaInfo.bind(this),this._demuxer.onMetaDataArrived=this._onMetaDataArrived.bind(this),this._demuxer.onScriptDataArrived=this._onScriptDataArrived.bind(this),this._remuxer.bindDataSource(this._demuxer.bindDataSource(this._ioctl)),this._remuxer.onInitSegment=this._onRemuxerInitSegmentArrival.bind(this),this._remuxer.onMediaSegment=this._onRemuxerMediaSegmentArrival.bind(this),y=this._demuxer.parseChunks(c,f)}else p=null,g.e(this.TAG,"Non-FLV, Unsupported media type!"),Promise.resolve().then(()=>{this._internalAbort()}),this._emitter.emit(ve.DEMUX_ERROR,Oe.FORMAT_UNSUPPORTED,"Non-FLV, Unsupported media type"),y=0;return y}_onMediaInfo(c){this._mediaInfo==null&&(this._mediaInfo=Object.assign({},c),this._mediaInfo.keyframesIndex=null,this._mediaInfo.segments=[],this._mediaInfo.segmentCount=this._mediaDataSource.segments.length,Object.setPrototypeOf(this._mediaInfo,zt.prototype));let f=Object.assign({},c);Object.setPrototypeOf(f,zt.prototype),this._mediaInfo.segments[this._currentSegmentIndex]=f,this._reportSegmentMediaInfo(this._currentSegmentIndex),this._pendingSeekTime!=null&&Promise.resolve().then(()=>{let p=this._pendingSeekTime;this._pendingSeekTime=null,this.seek(p)})}_onMetaDataArrived(c){this._emitter.emit(ve.METADATA_ARRIVED,c)}_onScriptDataArrived(c){this._emitter.emit(ve.SCRIPTDATA_ARRIVED,c)}_onIOSeeked(){this._remuxer.insertDiscontinuity()}_onIOComplete(c){let p=c+1;p<this._mediaDataSource.segments.length?(this._internalAbort(),this._remuxer.flushStashedSamples(),this._loadSegment(p)):(this._remuxer.flushStashedSamples(),this._emitter.emit(ve.LOADING_COMPLETE),this._disableStatisticsReporter())}_onIORedirect(c){let f=this._ioctl.extraData;this._mediaDataSource.segments[f].redirectedURL=c}_onIORecoveredEarlyEof(){this._emitter.emit(ve.RECOVERED_EARLY_EOF)}_onIOException(c,f){g.e(this.TAG,`IOException: type = ${c}, code = ${f.code}, msg = ${f.msg}`),this._emitter.emit(ve.IO_ERROR,c,f),this._disableStatisticsReporter()}_onDemuxException(c,f){g.e(this.TAG,`DemuxException: type = ${c}, info = ${f}`),this._emitter.emit(ve.DEMUX_ERROR,c,f)}_onRemuxerInitSegmentArrival(c,f){this._emitter.emit(ve.INIT_SEGMENT,c,f)}_onRemuxerMediaSegmentArrival(c,f){if(this._pendingSeekTime==null&&(this._emitter.emit(ve.MEDIA_SEGMENT,c,f),this._pendingResolveSeekPoint!=null&&c==="video")){let p=f.info.syncPoints,y=this._pendingResolveSeekPoint;this._pendingResolveSeekPoint=null,ge.safari&&p.length>0&&p[0].originalDts===y&&(y=p[0].pts),this._emitter.emit(ve.RECOMMEND_SEEKPOINT,y)}}_enableStatisticsReporter(){this._statisticsReporter==null&&(this._statisticsReporter=self.setInterval(this._reportStatisticsInfo.bind(this),this._config.statisticsInfoReportInterval))}_disableStatisticsReporter(){this._statisticsReporter&&(self.clearInterval(this._statisticsReporter),this._statisticsReporter=null)}_reportSegmentMediaInfo(c){let f=this._mediaInfo.segments[c],p=Object.assign({},f);p.duration=this._mediaInfo.duration,p.segmentCount=this._mediaInfo.segmentCount,delete p.segments,delete p.keyframesIndex,this._emitter.emit(ve.MEDIA_INFO,p)}_reportStatisticsInfo(){let c={};c.url=this._ioctl.currentURL,c.hasRedirect=this._ioctl.hasRedirect,c.hasRedirect&&(c.redirectedURL=this._ioctl.currentRedirectedURL),c.speed=this._ioctl.currentSpeed,c.loaderType=this._ioctl.loaderType,c.currentSegmentIndex=this._currentSegmentIndex,c.totalSegmentCount=this._mediaDataSource.segments.length,this._emitter.emit(ve.STATISTICS_INFO,c)}}var Hi=Ft,Wi=function(Ee){let c="TransmuxingWorker",f=null,p=Ye.bind(this);ce.install(),Ee.addEventListener("message",function(ue){switch(ue.data.cmd){case"init":f=new Hi(ue.data.param[0],ue.data.param[1]),f.on(ve.IO_ERROR,mt.bind(this)),f.on(ve.DEMUX_ERROR,we.bind(this)),f.on(ve.INIT_SEGMENT,y.bind(this)),f.on(ve.MEDIA_SEGMENT,T.bind(this)),f.on(ve.LOADING_COMPLETE,I.bind(this)),f.on(ve.RECOVERED_EARLY_EOF,P.bind(this)),f.on(ve.MEDIA_INFO,Re.bind(this)),f.on(ve.METADATA_ARRIVED,Se.bind(this)),f.on(ve.SCRIPTDATA_ARRIVED,Be.bind(this)),f.on(ve.STATISTICS_INFO,ft.bind(this)),f.on(ve.RECOMMEND_SEEKPOINT,ot.bind(this));break;case"destroy":f&&(f.destroy(),f=null),Ee.postMessage({msg:"destroyed"});break;case"start":f.start();break;case"stop":f.stop();break;case"seek":f.seek(ue.data.param);break;case"pause":f.pause();break;case"resume":f.resume();break;case"logging_config":{let ke=ue.data.param;vt.applyConfig(ke),ke.enableCallback===!0?vt.addLogListener(p):vt.removeLogListener(p);break}}});function y(ue,ke){let Qe={msg:ve.INIT_SEGMENT,data:{type:ue,data:ke}};Ee.postMessage(Qe,[ke.data])}function T(ue,ke){let Qe={msg:ve.MEDIA_SEGMENT,data:{type:ue,data:ke}};Ee.postMessage(Qe,[ke.data])}function I(){let ue={msg:ve.LOADING_COMPLETE};Ee.postMessage(ue)}function P(){let ue={msg:ve.RECOVERED_EARLY_EOF};Ee.postMessage(ue)}function Re(ue){let ke={msg:ve.MEDIA_INFO,data:ue};Ee.postMessage(ke)}function Se(ue){let ke={msg:ve.METADATA_ARRIVED,data:ue};Ee.postMessage(ke)}function Be(ue){let ke={msg:ve.SCRIPTDATA_ARRIVED,data:ue};Ee.postMessage(ke)}function ft(ue){let ke={msg:ve.STATISTICS_INFO,data:ue};Ee.postMessage(ke)}function mt(ue,ke){Ee.postMessage({msg:ve.IO_ERROR,data:{type:ue,info:ke}})}function we(ue,ke){Ee.postMessage({msg:ve.DEMUX_ERROR,data:{type:ue,info:ke}})}function ot(ue){Ee.postMessage({msg:ve.RECOMMEND_SEEKPOINT,data:ue})}function Ye(ue,ke){Ee.postMessage({msg:"logcat_callback",data:{type:ue,logcat:ke}})}};class rs{constructor(c,f){if(this.TAG="Transmuxer",this._emitter=new(Z()),f.enableWorker&&typeof Worker!="undefined")try{let p=G(82059);this._worker=p(Wi),this._workerDestroying=!1,this._worker.addEventListener("message",this._onWorkerMessage.bind(this)),this._worker.postMessage({cmd:"init",param:[c,f]}),this.e={onLoggingConfigChanged:this._onLoggingConfigChanged.bind(this)},vt.registerListener(this.e.onLoggingConfigChanged),this._worker.postMessage({cmd:"logging_config",param:vt.getConfig()})}catch(p){g.e(this.TAG,"Error while initialize transmuxing worker, fallback to inline transmuxing"),this._worker=null,this._controller=new Hi(c,f)}else this._controller=new Hi(c,f);if(this._controller){let p=this._controller;p.on(ve.IO_ERROR,this._onIOError.bind(this)),p.on(ve.DEMUX_ERROR,this._onDemuxError.bind(this)),p.on(ve.INIT_SEGMENT,this._onInitSegment.bind(this)),p.on(ve.MEDIA_SEGMENT,this._onMediaSegment.bind(this)),p.on(ve.LOADING_COMPLETE,this._onLoadingComplete.bind(this)),p.on(ve.RECOVERED_EARLY_EOF,this._onRecoveredEarlyEof.bind(this)),p.on(ve.MEDIA_INFO,this._onMediaInfo.bind(this)),p.on(ve.METADATA_ARRIVED,this._onMetaDataArrived.bind(this)),p.on(ve.SCRIPTDATA_ARRIVED,this._onScriptDataArrived.bind(this)),p.on(ve.STATISTICS_INFO,this._onStatisticsInfo.bind(this)),p.on(ve.RECOMMEND_SEEKPOINT,this._onRecommendSeekpoint.bind(this))}}destroy(){this._worker?this._workerDestroying||(this._workerDestroying=!0,this._worker.postMessage({cmd:"destroy"}),vt.removeListener(this.e.onLoggingConfigChanged),this.e=null):(this._controller.destroy(),this._controller=null),this._emitter.removeAllListeners(),this._emitter=null}on(c,f){this._emitter.addListener(c,f)}off(c,f){this._emitter.removeListener(c,f)}hasWorker(){return this._worker!=null}open(){this._worker?this._worker.postMessage({cmd:"start"}):this._controller.start()}close(){this._worker?this._worker.postMessage({cmd:"stop"}):this._controller.stop()}seek(c){this._worker?this._worker.postMessage({cmd:"seek",param:c}):this._controller.seek(c)}pause(){this._worker?this._worker.postMessage({cmd:"pause"}):this._controller.pause()}resume(){this._worker?this._worker.postMessage({cmd:"resume"}):this._controller.resume()}_onInitSegment(c,f){Promise.resolve().then(()=>{this._emitter.emit(ve.INIT_SEGMENT,c,f)})}_onMediaSegment(c,f){Promise.resolve().then(()=>{this._emitter.emit(ve.MEDIA_SEGMENT,c,f)})}_onLoadingComplete(){Promise.resolve().then(()=>{this._emitter.emit(ve.LOADING_COMPLETE)})}_onRecoveredEarlyEof(){Promise.resolve().then(()=>{this._emitter.emit(ve.RECOVERED_EARLY_EOF)})}_onMediaInfo(c){Promise.resolve().then(()=>{this._emitter.emit(ve.MEDIA_INFO,c)})}_onMetaDataArrived(c){Promise.resolve().then(()=>{this._emitter.emit(ve.METADATA_ARRIVED,c)})}_onScriptDataArrived(c){Promise.resolve().then(()=>{this._emitter.emit(ve.SCRIPTDATA_ARRIVED,c)})}_onStatisticsInfo(c){Promise.resolve().then(()=>{this._emitter.emit(ve.STATISTICS_INFO,c)})}_onIOError(c,f){Promise.resolve().then(()=>{this._emitter.emit(ve.IO_ERROR,c,f)})}_onDemuxError(c,f){Promise.resolve().then(()=>{this._emitter.emit(ve.DEMUX_ERROR,c,f)})}_onRecommendSeekpoint(c){Promise.resolve().then(()=>{this._emitter.emit(ve.RECOMMEND_SEEKPOINT,c)})}_onLoggingConfigChanged(c){this._worker&&this._worker.postMessage({cmd:"logging_config",param:c})}_onWorkerMessage(c){let f=c.data,p=f.data;if(f.msg==="destroyed"||this._workerDestroying){this._workerDestroying=!1,this._worker.terminate(),this._worker=null;return}switch(f.msg){case ve.INIT_SEGMENT:case ve.MEDIA_SEGMENT:this._emitter.emit(f.msg,p.type,p.data);break;case ve.LOADING_COMPLETE:case ve.RECOVERED_EARLY_EOF:this._emitter.emit(f.msg);break;case ve.MEDIA_INFO:Object.setPrototypeOf(p,zt.prototype),this._emitter.emit(f.msg,p);break;case ve.METADATA_ARRIVED:case ve.SCRIPTDATA_ARRIVED:case ve.STATISTICS_INFO:this._emitter.emit(f.msg,p);break;case ve.IO_ERROR:case ve.DEMUX_ERROR:this._emitter.emit(f.msg,p.type,p.info);break;case ve.RECOMMEND_SEEKPOINT:this._emitter.emit(f.msg,p);break;case"logcat_callback":g.emitter.emit("log",p.type,p.logcat);break;default:break}}}var os=rs,vi={ERROR:"error",SOURCE_OPEN:"source_open",UPDATE_END:"update_end",BUFFER_FULL:"buffer_full"};class qi{constructor(c){this.TAG="MSEController",this._config=c,this._emitter=new(Z()),this._config.isLive&&this._config.autoCleanupSourceBuffer==null&&(this._config.autoCleanupSourceBuffer=!0),this.e={onSourceOpen:this._onSourceOpen.bind(this),onSourceEnded:this._onSourceEnded.bind(this),onSourceClose:this._onSourceClose.bind(this),onSourceBufferError:this._onSourceBufferError.bind(this),onSourceBufferUpdateEnd:this._onSourceBufferUpdateEnd.bind(this)},this._mediaSource=null,this._mediaSourceObjectURL=null,this._mediaElement=null,this._isBufferFull=!1,this._hasPendingEos=!1,this._requireSetMediaDuration=!1,this._pendingMediaDuration=0,this._pendingSourceBufferInit=[],this._mimeTypes={video:null,audio:null},this._sourceBuffers={video:null,audio:null},this._lastInitSegments={video:null,audio:null},this._pendingSegments={video:[],audio:[]},this._pendingRemoveRanges={video:[],audio:[]},this._idrList=new Lt}destroy(){(this._mediaElement||this._mediaSource)&&this.detachMediaElement(),this.e=null,this._emitter.removeAllListeners(),this._emitter=null}on(c,f){this._emitter.addListener(c,f)}off(c,f){this._emitter.removeListener(c,f)}attachMediaElement(c){if(this._mediaSource)throw new nt("MediaSource has been attached to an HTMLMediaElement!");let f=this._mediaSource=new window.MediaSource;f.addEventListener("sourceopen",this.e.onSourceOpen),f.addEventListener("sourceended",this.e.onSourceEnded),f.addEventListener("sourceclose",this.e.onSourceClose),this._mediaElement=c,this._mediaSourceObjectURL=window.URL.createObjectURL(this._mediaSource),c.src=this._mediaSourceObjectURL}detachMediaElement(){if(this._mediaSource){let c=this._mediaSource;for(let f in this._sourceBuffers){let p=this._pendingSegments[f];p.splice(0,p.length),this._pendingSegments[f]=null,this._pendingRemoveRanges[f]=null,this._lastInitSegments[f]=null;let y=this._sourceBuffers[f];if(y){if(c.readyState!=="closed"){try{c.removeSourceBuffer(y)}catch(T){g.e(this.TAG,T.message)}y.removeEventListener("error",this.e.onSourceBufferError),y.removeEventListener("updateend",this.e.onSourceBufferUpdateEnd)}this._mimeTypes[f]=null,this._sourceBuffers[f]=null}}if(c.readyState==="open")try{c.endOfStream()}catch(f){g.e(this.TAG,f.message)}c.removeEventListener("sourceopen",this.e.onSourceOpen),c.removeEventListener("sourceended",this.e.onSourceEnded),c.removeEventListener("sourceclose",this.e.onSourceClose),this._pendingSourceBufferInit=[],this._isBufferFull=!1,this._idrList.clear(),this._mediaSource=null}this._mediaElement&&(this._mediaElement.src="",this._mediaElement.removeAttribute("src"),this._mediaElement=null),this._mediaSourceObjectURL&&(window.URL.revokeObjectURL(this._mediaSourceObjectURL),this._mediaSourceObjectURL=null)}appendInitSegment(c,f){if(!this._mediaSource||this._mediaSource.readyState!=="open"){this._pendingSourceBufferInit.push(c),this._pendingSegments[c.type].push(c);return}let p=c,y=`${p.container}`;p.codec&&p.codec.length>0&&(y+=`;codecs=${p.codec}`);let T=!1;if(g.v(this.TAG,"Received Initialization Segment, mimeType: "+y),this._lastInitSegments[p.type]=p,y!==this._mimeTypes[p.type]){if(this._mimeTypes[p.type])g.v(this.TAG,`Notice: ${p.type} mimeType changed, origin: ${this._mimeTypes[p.type]}, target: ${y}`);else{T=!0;try{let I=this._sourceBuffers[p.type]=this._mediaSource.addSourceBuffer(y);I.addEventListener("error",this.e.onSourceBufferError),I.addEventListener("updateend",this.e.onSourceBufferUpdateEnd)}catch(I){g.e(this.TAG,I.message),this._emitter.emit(vi.ERROR,{code:I.code,msg:I.message});return}}this._mimeTypes[p.type]=y}f||this._pendingSegments[p.type].push(p),T||this._sourceBuffers[p.type]&&!this._sourceBuffers[p.type].updating&&this._doAppendSegments(),ge.safari&&p.container==="audio/mpeg"&&p.mediaDuration>0&&(this._requireSetMediaDuration=!0,this._pendingMediaDuration=p.mediaDuration/1e3,this._updateMediaSourceDuration())}appendMediaSegment(c){let f=c;this._pendingSegments[f.type].push(f),this._config.autoCleanupSourceBuffer&&this._needCleanupSourceBuffer()&&this._doCleanupSourceBuffer();let p=this._sourceBuffers[f.type];p&&!p.updating&&!this._hasPendingRemoveRanges()&&this._doAppendSegments()}seek(c){for(let f in this._sourceBuffers){if(!this._sourceBuffers[f])continue;let p=this._sourceBuffers[f];if(this._mediaSource.readyState==="open")try{p.abort()}catch(T){g.e(this.TAG,T.message)}this._idrList.clear();let y=this._pendingSegments[f];if(y.splice(0,y.length),this._mediaSource.readyState!=="closed"){for(let T=0;T<p.buffered.length;T++){let I=p.buffered.start(T),P=p.buffered.end(T);this._pendingRemoveRanges[f].push({start:I,end:P})}if(p.updating||this._doRemoveRanges(),ge.safari){let T=this._lastInitSegments[f];T&&(this._pendingSegments[f].push(T),p.updating||this._doAppendSegments())}}}}endOfStream(){let c=this._mediaSource,f=this._sourceBuffers;if(!c||c.readyState!=="open"){c&&c.readyState==="closed"&&this._hasPendingSegments()&&(this._hasPendingEos=!0);return}f.video&&f.video.updating||f.audio&&f.audio.updating?this._hasPendingEos=!0:(this._hasPendingEos=!1,c.endOfStream())}getNearestKeyframe(c){return this._idrList.getLastSyncPointBeforeDts(c)}_needCleanupSourceBuffer(){if(!this._config.autoCleanupSourceBuffer)return!1;let c=this._mediaElement.currentTime;for(let f in this._sourceBuffers){let p=this._sourceBuffers[f];if(p){let y=p.buffered;if(y.length>=1&&c-y.start(0)>=this._config.autoCleanupMaxBackwardDuration)return!0}}return!1}_doCleanupSourceBuffer(){let c=this._mediaElement.currentTime;for(let f in this._sourceBuffers){let p=this._sourceBuffers[f];if(p){let y=p.buffered,T=!1;for(let I=0;I<y.length;I++){let P=y.start(I),Re=y.end(I);if(P<=c&&c<Re+3){if(c-P>=this._config.autoCleanupMaxBackwardDuration){T=!0;let Se=c-this._config.autoCleanupMinBackwardDuration;this._pendingRemoveRanges[f].push({start:P,end:Se})}}else Re<c&&(T=!0,this._pendingRemoveRanges[f].push({start:P,end:Re}))}T&&!p.updating&&this._doRemoveRanges()}}}_updateMediaSourceDuration(){let c=this._sourceBuffers;if(this._mediaElement.readyState===0||this._mediaSource.readyState!=="open"||c.video&&c.video.updating||c.audio&&c.audio.updating)return;let f=this._mediaSource.duration,p=this._pendingMediaDuration;p>0&&(isNaN(f)||p>f)&&(g.v(this.TAG,`Update MediaSource duration from ${f} to ${p}`),this._mediaSource.duration=p),this._requireSetMediaDuration=!1,this._pendingMediaDuration=0}_doRemoveRanges(){for(let c in this._pendingRemoveRanges){if(!this._sourceBuffers[c]||this._sourceBuffers[c].updating)continue;let f=this._sourceBuffers[c],p=this._pendingRemoveRanges[c];for(;p.length&&!f.updating;){let y=p.shift();f.remove(y.start,y.end)}}}_doAppendSegments(){let c=this._pendingSegments;for(let f in c)if(!(!this._sourceBuffers[f]||this._sourceBuffers[f].updating)&&c[f].length>0){let p=c[f].shift();if(p.timestampOffset){let y=this._sourceBuffers[f].timestampOffset,T=p.timestampOffset/1e3;Math.abs(y-T)>.1&&(g.v(this.TAG,`Update MPEG audio timestampOffset from ${y} to ${T}`),this._sourceBuffers[f].timestampOffset=T),delete p.timestampOffset}if(!p.data||p.data.byteLength===0)continue;try{this._sourceBuffers[f].appendBuffer(p.data),this._isBufferFull=!1,f==="video"&&p.hasOwnProperty("info")&&this._idrList.appendArray(p.info.syncPoints)}catch(y){this._pendingSegments[f].unshift(p),y.code===22?(this._isBufferFull||this._emitter.emit(vi.BUFFER_FULL),this._isBufferFull=!0):(g.e(this.TAG,y.message),this._emitter.emit(vi.ERROR,{code:y.code,msg:y.message}))}}}_onSourceOpen(){if(g.v(this.TAG,"MediaSource onSourceOpen"),this._mediaSource.removeEventListener("sourceopen",this.e.onSourceOpen),this._pendingSourceBufferInit.length>0){let c=this._pendingSourceBufferInit;for(;c.length;){let f=c.shift();this.appendInitSegment(f,!0)}}this._hasPendingSegments()&&this._doAppendSegments(),this._emitter.emit(vi.SOURCE_OPEN)}_onSourceEnded(){g.v(this.TAG,"MediaSource onSourceEnded")}_onSourceClose(){g.v(this.TAG,"MediaSource onSourceClose"),this._mediaSource&&this.e!=null&&(this._mediaSource.removeEventListener("sourceopen",this.e.onSourceOpen),this._mediaSource.removeEventListener("sourceended",this.e.onSourceEnded),this._mediaSource.removeEventListener("sourceclose",this.e.onSourceClose))}_hasPendingSegments(){let c=this._pendingSegments;return c.video.length>0||c.audio.length>0}_hasPendingRemoveRanges(){let c=this._pendingRemoveRanges;return c.video.length>0||c.audio.length>0}_onSourceBufferUpdateEnd(){this._requireSetMediaDuration?this._updateMediaSourceDuration():this._hasPendingRemoveRanges()?this._doRemoveRanges():this._hasPendingSegments()?this._doAppendSegments():this._hasPendingEos&&this.endOfStream(),this._emitter.emit(vi.UPDATE_END)}_onSourceBufferError(c){g.e(this.TAG,`SourceBuffer Error: ${c}`)}}var zi=qi;const et={NETWORK_ERROR:"NetworkError",MEDIA_ERROR:"MediaError",OTHER_ERROR:"OtherError"},Vt={NETWORK_EXCEPTION:j.EXCEPTION,NETWORK_STATUS_CODE_INVALID:j.HTTP_STATUS_CODE_INVALID,NETWORK_TIMEOUT:j.CONNECTING_TIMEOUT,NETWORK_UNRECOVERABLE_EARLY_EOF:j.UNRECOVERABLE_EARLY_EOF,MEDIA_MSE_ERROR:"MediaMSEError",MEDIA_FORMAT_ERROR:Oe.FORMAT_ERROR,MEDIA_FORMAT_UNSUPPORTED:Oe.FORMAT_UNSUPPORTED,MEDIA_CODEC_UNSUPPORTED:Oe.CODEC_UNSUPPORTED};class oi{constructor(c,f){if(this.TAG="FlvPlayer",this._type="FlvPlayer",this._emitter=new(Z()),this._config=fe(),typeof f=="object"&&Object.assign(this._config,f),c.type.toLowerCase()!=="flv")throw new at("FlvPlayer requires an flv MediaDataSource input!");c.isLive===!0&&(this._config.isLive=!0),this.e={onvLoadedMetadata:this._onvLoadedMetadata.bind(this),onvSeeking:this._onvSeeking.bind(this),onvCanPlay:this._onvCanPlay.bind(this),onvStalled:this._onvStalled.bind(this),onvProgress:this._onvProgress.bind(this)},self.performance&&self.performance.now?this._now=self.performance.now.bind(self.performance):this._now=Date.now,this._pendingSeekTime=null,this._requestSetTime=!1,this._seekpointRecord=null,this._progressChecker=null,this._mediaDataSource=c,this._mediaElement=null,this._msectl=null,this._transmuxer=null,this._mseSourceOpened=!1,this._hasPendingLoad=!1,this._receivedCanPlay=!1,this._mediaInfo=null,this._statisticsInfo=null;let p=ge.chrome&&(ge.version.major<50||ge.version.major===50&&ge.version.build<2661);this._alwaysSeekKeyframe=!!(p||ge.msedge||ge.msie),this._alwaysSeekKeyframe&&(this._config.accurateSeek=!1)}destroy(){this._progressChecker!=null&&(window.clearInterval(this._progressChecker),this._progressChecker=null),this._transmuxer&&this.unload(),this._mediaElement&&this.detachMediaElement(),this.e=null,this._mediaDataSource=null,this._emitter.removeAllListeners(),this._emitter=null}on(c,f){c===Xe.MEDIA_INFO?this._mediaInfo!=null&&Promise.resolve().then(()=>{this._emitter.emit(Xe.MEDIA_INFO,this.mediaInfo)}):c===Xe.STATISTICS_INFO&&this._statisticsInfo!=null&&Promise.resolve().then(()=>{this._emitter.emit(Xe.STATISTICS_INFO,this.statisticsInfo)}),this._emitter.addListener(c,f)}off(c,f){this._emitter.removeListener(c,f)}attachMediaElement(c){if(this._mediaElement=c,c.addEventListener("loadedmetadata",this.e.onvLoadedMetadata),c.addEventListener("seeking",this.e.onvSeeking),c.addEventListener("canplay",this.e.onvCanPlay),c.addEventListener("stalled",this.e.onvStalled),c.addEventListener("progress",this.e.onvProgress),this._msectl=new zi(this._config),this._msectl.on(vi.UPDATE_END,this._onmseUpdateEnd.bind(this)),this._msectl.on(vi.BUFFER_FULL,this._onmseBufferFull.bind(this)),this._msectl.on(vi.SOURCE_OPEN,()=>{this._mseSourceOpened=!0,this._hasPendingLoad&&(this._hasPendingLoad=!1,this.load())}),this._msectl.on(vi.ERROR,f=>{this._emitter.emit(Xe.ERROR,et.MEDIA_ERROR,Vt.MEDIA_MSE_ERROR,f)}),this._msectl.attachMediaElement(c),this._pendingSeekTime!=null)try{c.currentTime=this._pendingSeekTime,this._pendingSeekTime=null}catch(f){}}detachMediaElement(){this._mediaElement&&(this._msectl.detachMediaElement(),this._mediaElement.removeEventListener("loadedmetadata",this.e.onvLoadedMetadata),this._mediaElement.removeEventListener("seeking",this.e.onvSeeking),this._mediaElement.removeEventListener("canplay",this.e.onvCanPlay),this._mediaElement.removeEventListener("stalled",this.e.onvStalled),this._mediaElement.removeEventListener("progress",this.e.onvProgress),this._mediaElement=null),this._msectl&&(this._msectl.destroy(),this._msectl=null)}load(){if(!this._mediaElement)throw new nt("HTMLMediaElement must be attached before load()!");if(this._transmuxer)throw new nt("FlvPlayer.load() has been called, please call unload() first!");if(!this._hasPendingLoad){if(this._config.deferLoadAfterSourceOpen&&this._mseSourceOpened===!1){this._hasPendingLoad=!0;return}this._mediaElement.readyState>0&&(this._requestSetTime=!0,this._mediaElement.currentTime=0),this._transmuxer=new os(this._mediaDataSource,this._config),this._transmuxer.on(ve.INIT_SEGMENT,(c,f)=>{this._msectl.appendInitSegment(f)}),this._transmuxer.on(ve.MEDIA_SEGMENT,(c,f)=>{if(this._msectl.appendMediaSegment(f),this._config.lazyLoad&&!this._config.isLive){let p=this._mediaElement.currentTime;f.info.endDts>=(p+this._config.lazyLoadMaxDuration)*1e3&&this._progressChecker==null&&(g.v(this.TAG,"Maximum buffering duration exceeded, suspend transmuxing task"),this._suspendTransmuxer())}}),this._transmuxer.on(ve.LOADING_COMPLETE,()=>{this._msectl.endOfStream(),this._emitter.emit(Xe.LOADING_COMPLETE)}),this._transmuxer.on(ve.RECOVERED_EARLY_EOF,()=>{this._emitter.emit(Xe.RECOVERED_EARLY_EOF)}),this._transmuxer.on(ve.IO_ERROR,(c,f)=>{this._emitter.emit(Xe.ERROR,et.NETWORK_ERROR,c,f)}),this._transmuxer.on(ve.DEMUX_ERROR,(c,f)=>{this._emitter.emit(Xe.ERROR,et.MEDIA_ERROR,c,{code:-1,msg:f})}),this._transmuxer.on(ve.MEDIA_INFO,c=>{this._mediaInfo=c,this._emitter.emit(Xe.MEDIA_INFO,Object.assign({},c))}),this._transmuxer.on(ve.METADATA_ARRIVED,c=>{this._emitter.emit(Xe.METADATA_ARRIVED,c)}),this._transmuxer.on(ve.SCRIPTDATA_ARRIVED,c=>{this._emitter.emit(Xe.SCRIPTDATA_ARRIVED,c)}),this._transmuxer.on(ve.STATISTICS_INFO,c=>{this._statisticsInfo=this._fillStatisticsInfo(c),this._emitter.emit(Xe.STATISTICS_INFO,Object.assign({},this._statisticsInfo))}),this._transmuxer.on(ve.RECOMMEND_SEEKPOINT,c=>{this._mediaElement&&!this._config.accurateSeek&&(this._requestSetTime=!0,this._mediaElement.currentTime=c/1e3)}),this._transmuxer.open()}}unload(){this._mediaElement&&this._mediaElement.pause(),this._msectl&&this._msectl.seek(0),this._transmuxer&&(this._transmuxer.close(),this._transmuxer.destroy(),this._transmuxer=null)}play(){return this._mediaElement.play()}pause(){this._mediaElement.pause()}get type(){return this._type}get buffered(){return this._mediaElement.buffered}get duration(){return this._mediaElement.duration}get volume(){return this._mediaElement.volume}set volume(c){this._mediaElement.volume=c}get muted(){return this._mediaElement.muted}set muted(c){this._mediaElement.muted=c}get currentTime(){return this._mediaElement?this._mediaElement.currentTime:0}set currentTime(c){this._mediaElement?this._internalSeek(c):this._pendingSeekTime=c}get mediaInfo(){return Object.assign({},this._mediaInfo)}get statisticsInfo(){return this._statisticsInfo==null&&(this._statisticsInfo={}),this._statisticsInfo=this._fillStatisticsInfo(this._statisticsInfo),Object.assign({},this._statisticsInfo)}_fillStatisticsInfo(c){if(c.playerType=this._type,!(this._mediaElement instanceof HTMLVideoElement))return c;let f=!0,p=0,y=0;if(this._mediaElement.getVideoPlaybackQuality){let T=this._mediaElement.getVideoPlaybackQuality();p=T.totalVideoFrames,y=T.droppedVideoFrames}else this._mediaElement.webkitDecodedFrameCount!=null?(p=this._mediaElement.webkitDecodedFrameCount,y=this._mediaElement.webkitDroppedFrameCount):f=!1;return f&&(c.decodedFrames=p,c.droppedFrames=y),c}_onmseUpdateEnd(){if(!this._config.lazyLoad||this._config.isLive)return;let c=this._mediaElement.buffered,f=this._mediaElement.currentTime,p=0,y=0;for(let T=0;T<c.length;T++){let I=c.start(T),P=c.end(T);if(I<=f&&f<P){p=I,y=P;break}}y>=f+this._config.lazyLoadMaxDuration&&this._progressChecker==null&&(g.v(this.TAG,"Maximum buffering duration exceeded, suspend transmuxing task"),this._suspendTransmuxer())}_onmseBufferFull(){g.v(this.TAG,"MSE SourceBuffer is full, suspend transmuxing task"),this._progressChecker==null&&this._suspendTransmuxer()}_suspendTransmuxer(){this._transmuxer&&(this._transmuxer.pause(),this._progressChecker==null&&(this._progressChecker=window.setInterval(this._checkProgressAndResume.bind(this),1e3)))}_checkProgressAndResume(){let c=this._mediaElement.currentTime,f=this._mediaElement.buffered,p=!1;for(let y=0;y<f.length;y++){let T=f.start(y),I=f.end(y);if(c>=T&&c<I){c>=I-this._config.lazyLoadRecoverDuration&&(p=!0);break}}p&&(window.clearInterval(this._progressChecker),this._progressChecker=null,p&&(g.v(this.TAG,"Continue loading from paused position"),this._transmuxer.resume()))}_isTimepointBuffered(c){let f=this._mediaElement.buffered;for(let p=0;p<f.length;p++){let y=f.start(p),T=f.end(p);if(c>=y&&c<T)return!0}return!1}_internalSeek(c){let f=this._isTimepointBuffered(c),p=!1,y=0;if(c<1&&this._mediaElement.buffered.length>0){let T=this._mediaElement.buffered.start(0);(T<1&&c<T||ge.safari)&&(p=!0,y=ge.safari?.1:T)}if(p)this._requestSetTime=!0,this._mediaElement.currentTime=y;else if(f){if(!this._alwaysSeekKeyframe)this._requestSetTime=!0,this._mediaElement.currentTime=c;else{let T=this._msectl.getNearestKeyframe(Math.floor(c*1e3));this._requestSetTime=!0,T!=null?this._mediaElement.currentTime=T.dts/1e3:this._mediaElement.currentTime=c}this._progressChecker!=null&&this._checkProgressAndResume()}else this._progressChecker!=null&&(window.clearInterval(this._progressChecker),this._progressChecker=null),this._msectl.seek(c),this._transmuxer.seek(Math.floor(c*1e3)),this._config.accurateSeek&&(this._requestSetTime=!0,this._mediaElement.currentTime=c)}_checkAndApplyUnbufferedSeekpoint(){if(this._seekpointRecord)if(this._seekpointRecord.recordTime<=this._now()-100){let c=this._mediaElement.currentTime;this._seekpointRecord=null,this._isTimepointBuffered(c)||(this._progressChecker!=null&&(window.clearTimeout(this._progressChecker),this._progressChecker=null),this._msectl.seek(c),this._transmuxer.seek(Math.floor(c*1e3)),this._config.accurateSeek&&(this._requestSetTime=!0,this._mediaElement.currentTime=c))}else window.setTimeout(this._checkAndApplyUnbufferedSeekpoint.bind(this),50)}_checkAndResumeStuckPlayback(c){let f=this._mediaElement;if(c||!this._receivedCanPlay||f.readyState<2){let p=f.buffered;p.length>0&&f.currentTime<p.start(0)&&(g.w(this.TAG,`Playback seems stuck at ${f.currentTime}, seek to ${p.start(0)}`),this._requestSetTime=!0,this._mediaElement.currentTime=p.start(0),this._mediaElement.removeEventListener("progress",this.e.onvProgress))}else this._mediaElement.removeEventListener("progress",this.e.onvProgress)}_onvLoadedMetadata(c){this._pendingSeekTime!=null&&(this._mediaElement.currentTime=this._pendingSeekTime,this._pendingSeekTime=null)}_onvSeeking(c){let f=this._mediaElement.currentTime,p=this._mediaElement.buffered;if(this._requestSetTime){this._requestSetTime=!1;return}if(f<1&&p.length>0){let y=p.start(0);if(y<1&&f<y||ge.safari){this._requestSetTime=!0,this._mediaElement.currentTime=ge.safari?.1:y;return}}if(this._isTimepointBuffered(f)){if(this._alwaysSeekKeyframe){let y=this._msectl.getNearestKeyframe(Math.floor(f*1e3));y!=null&&(this._requestSetTime=!0,this._mediaElement.currentTime=y.dts/1e3)}this._progressChecker!=null&&this._checkProgressAndResume();return}this._seekpointRecord={seekPoint:f,recordTime:this._now()},window.setTimeout(this._checkAndApplyUnbufferedSeekpoint.bind(this),50)}_onvCanPlay(c){this._receivedCanPlay=!0,this._mediaElement.removeEventListener("canplay",this.e.onvCanPlay)}_onvStalled(c){this._checkAndResumeStuckPlayback(!0)}_onvProgress(c){this._checkAndResumeStuckPlayback()}}var si=oi;class Pt{constructor(c,f){if(this.TAG="NativePlayer",this._type="NativePlayer",this._emitter=new(Z()),this._config=fe(),typeof f=="object"&&Object.assign(this._config,f),c.type.toLowerCase()==="flv")throw new at("NativePlayer does't support flv MediaDataSource input!");if(c.hasOwnProperty("segments"))throw new at(`NativePlayer(${c.type}) doesn't support multipart playback!`);this.e={onvLoadedMetadata:this._onvLoadedMetadata.bind(this)},this._pendingSeekTime=null,this._statisticsReporter=null,this._mediaDataSource=c,this._mediaElement=null}destroy(){this._mediaElement&&(this.unload(),this.detachMediaElement()),this.e=null,this._mediaDataSource=null,this._emitter.removeAllListeners(),this._emitter=null}on(c,f){c===Xe.MEDIA_INFO?this._mediaElement!=null&&this._mediaElement.readyState!==0&&Promise.resolve().then(()=>{this._emitter.emit(Xe.MEDIA_INFO,this.mediaInfo)}):c===Xe.STATISTICS_INFO&&this._mediaElement!=null&&this._mediaElement.readyState!==0&&Promise.resolve().then(()=>{this._emitter.emit(Xe.STATISTICS_INFO,this.statisticsInfo)}),this._emitter.addListener(c,f)}off(c,f){this._emitter.removeListener(c,f)}attachMediaElement(c){if(this._mediaElement=c,c.addEventListener("loadedmetadata",this.e.onvLoadedMetadata),this._pendingSeekTime!=null)try{c.currentTime=this._pendingSeekTime,this._pendingSeekTime=null}catch(f){}}detachMediaElement(){this._mediaElement&&(this._mediaElement.src="",this._mediaElement.removeAttribute("src"),this._mediaElement.removeEventListener("loadedmetadata",this.e.onvLoadedMetadata),this._mediaElement=null),this._statisticsReporter!=null&&(window.clearInterval(this._statisticsReporter),this._statisticsReporter=null)}load(){if(!this._mediaElement)throw new nt("HTMLMediaElement must be attached before load()!");this._mediaElement.src=this._mediaDataSource.url,this._mediaElement.readyState>0&&(this._mediaElement.currentTime=0),this._mediaElement.preload="auto",this._mediaElement.load(),this._statisticsReporter=window.setInterval(this._reportStatisticsInfo.bind(this),this._config.statisticsInfoReportInterval)}unload(){this._mediaElement&&(this._mediaElement.src="",this._mediaElement.removeAttribute("src")),this._statisticsReporter!=null&&(window.clearInterval(this._statisticsReporter),this._statisticsReporter=null)}play(){return this._mediaElement.play()}pause(){this._mediaElement.pause()}get type(){return this._type}get buffered(){return this._mediaElement.buffered}get duration(){return this._mediaElement.duration}get volume(){return this._mediaElement.volume}set volume(c){this._mediaElement.volume=c}get muted(){return this._mediaElement.muted}set muted(c){this._mediaElement.muted=c}get currentTime(){return 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d=4;if(l[d++]!==3)break;d=$(l,d),d+=2;const h=l[d++];if(h&128&&(d+=2),h&64&&(d+=l[d++]),l[d++]!==4)break;d=$(l,d);const m=l[d++];if(m===64)s+="."+Q(m);else break;if(d+=12,l[d++]!==5)break;d=$(l,d);const v=l[d++];let E=(v&248)>>3;E===31&&(E+=1+((v&7)<<3)+((l[d]&224)>>5)),s+="."+E}break}case"hvc1":case"hev1":{const u=M(t,["hvcC"])[0];if(u&&u.length>12){const l=u[1],d=["","A","B","C"][l>>6],h=l&31,m=Ce(u,2),v=(l&32)>>5?"H":"L",E=u[12],S=u.subarray(6,12);s+="."+d+h,s+="."+m.toString(16).toUpperCase(),s+="."+v+E;let _="";for(let x=S.length;x--;){const R=S[x];(R||_)&&(_="."+R.toString(16).toUpperCase()+_)}s+=_}n=dt(o=="hev1"?"dvhe":"dvh1",t);break}case"dvh1":case"dvhe":case"dvav":case"dva1":case"dav1":{s=dt(s,t)||s;break}case"vp09":{const u=M(t,["vpcC"])[0];if(u&&u.length>6){const l=u[4],d=u[5],h=u[6]>>4&15;s+="."+J(l)+"."+J(d)+"."+J(h)}break}case"av01":{const u=M(t,["av1C"])[0];if(u&&u.length>2){const 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Uint8Array(r,t+12,16)),u=a.getUint32(28);let l=null,d=null;if(n===0){if(e-32<u||u<22)return{offset:t,size:e};d=new Uint8Array(r,t+32,u)}else if(n===1){if(!u||i<t+32+u*16+16)return{offset:t,size:e};l=[];for(let h=0;h<u;h++)l.push(new Uint8Array(r,t+32+h*16,16))}return{version:n,systemId:o,kids:l,data:d,offset:t,size:e}}const ji=()=>/\(Windows.+Firefox\//i.test(navigator.userAgent),vi={audio:{a3ds:1,"ac-3":.95,"ac-4":1,alac:.9,alaw:1,dra1:1,"dts+":1,"dts-":1,dtsc:1,dtse:1,dtsh:1,"ec-3":.9,enca:1,fLaC:.9,flac:.9,FLAC:.9,g719:1,g726:1,m4ae:1,mha1:1,mha2:1,mhm1:1,mhm2:1,mlpa:1,mp4a:1,"raw ":1,Opus:1,opus:1,samr:1,sawb:1,sawp:1,sevc:1,sqcp:1,ssmv:1,twos:1,ulaw:1},video:{avc1:1,avc2:1,avc3:1,avc4:1,avcp:1,av01:.8,dav1:.8,drac:1,dva1:1,dvav:1,dvh1:.7,dvhe:.7,encv:1,hev1:.75,hvc1:.75,mjp2:1,mp4v:1,mvc1:1,mvc2:1,mvc3:1,mvc4:1,resv:1,rv60:1,s263:1,svc1:1,svc2:1,"vc-1":1,vp08:1,vp09:.9},text:{stpp:1,wvtt:1}};function qi(a,e){const t=vi[e];return!!t&&!!t[a.slice(0,4)]}function zi(a,e,t=!0){return!a.split(",").some(i=>!et(i,e,t))}function et(a,e,t=!0){var i;const s=ut(t);return(i=s==null?void 0:s.isTypeSupported(Vt(a,e)))!=null?i:!1}function Vt(a,e){return`${e}/mp4;codecs=${a}`}function oi(a){if(a){const e=a.substring(0,4);return vi.video[e]}return 2}function si(a){const e=ji();return a.split(",").reduce((t,i)=>{const n=e&&Zt(i)?9:vi.video[i];return n?(n*2+t)/(t?3:2):(vi.audio[i]+t)/(t?2:1)},0)}const Pt={};function Ki(a,e=!0){if(Pt[a])return Pt[a];const t={flac:["flac","fLaC","FLAC"],opus:["opus","Opus"],"mp4a.40.34":["mp3"]}[a];for(let s=0;s<t.length;s++){var i;if(et(t[s],"audio",e))return Pt[a]=t[s],t[s];if(t[s]==="mp3"&&(i=ut(e))!=null&&i.isTypeSupported("audio/mpeg"))return""}return a}const hi=/flac|opus|mp4a\.40\.34/i;function ci(a,e=!0){return a.replace(hi,t=>Ki(t.toLowerCase(),e))}function ht(a,e){const t=[];if(a){const i=a.split(",");for(let s=0;s<i.length;s++)qi(i[s],"video")||t.push(i[s])}return e&&t.push(e),t.join(",")}function ti(a,e){if(a&&(a.length>4||["ac-3","ec-3","alac","fLaC","Opus"].indexOf(a)!==-1))return a;if(e){const t=e.split(",");if(t.length>1){if(a){for(let i=t.length;i--;)if(t[i].substring(0,4)===a.substring(0,4))return t[i]}return t[0]}}return e||a}function ls(a){const e=a.split(",");for(let t=0;t<e.length;t++){const i=e[t].split(".");if(i.length>2){let s=i.shift()+".";s+=parseInt(i.shift()).toString(16),s+=("000"+parseInt(i.shift()).toString(16)).slice(-4),e[t]=s}}return e.join(",")}function Ee(a){if(a.startsWith("av01.")){const e=a.split("."),t=["0","111","01","01","01","0"];for(let i=e.length;i>4&&i<10;i++)e[i]=t[i-4];return e.join(".")}return a}function c(a){const e=ut(a)||{isTypeSupported:()=>!1};return{mpeg:e.isTypeSupported("audio/mpeg"),mp3:e.isTypeSupported('audio/mp4; codecs="mp3"'),ac3:e.isTypeSupported('audio/mp4; codecs="ac-3"')}}function f(a){return a.replace(/^.+codecs=["']?([^"']+).*$/,"$1")}const p={supported:!0,configurations:[],decodingInfoResults:[{supported:!0,powerEfficient:!0,smooth:!0}]};function y(a,e){return{supported:!1,configurations:e,decodingInfoResults:[{supported:!1,smooth:!1,powerEfficient:!1}],error:a}}const T={};function I(a,e,t,i,s,n){const r=a.audioCodec?a.audioGroups:null,o=n==null?void 0:n.audioCodec,u=n==null?void 0:n.channels,l=u?parseInt(u):o?1/0:2;let d=null;if(r!=null&&r.length)try{r.length===1&&r[0]?d=e.groups[r[0]].channels:d=r.reduce((h,m)=>{if(m){const v=e.groups[m];if(!v)throw new Error(`Audio track group ${m} not found`);Object.keys(v.channels).forEach(E=>{h[E]=(h[E]||0)+v.channels[E]})}return h},{2:0})}catch(h){return!0}return a.videoCodec!==void 0&&(a.width>1920&&a.height>1088||a.height>1920&&a.width>1088||a.frameRate>Math.max(i,30)||a.videoRange!=="SDR"&&a.videoRange!==t||a.bitrate>Math.max(s,8e6))||!!d&&b(l)&&Object.keys(d).some(h=>parseInt(h)>l)}function P(a,e,t){const i=a.videoCodec,s=a.audioCodec;if(!i&&!s||!t)return Promise.resolve(p);const n=[];if(i){const r={width:a.width,height:a.height,bitrate:Math.ceil(Math.max(a.bitrate*.9,a.averageBitrate)),framerate:a.frameRate||30},o=a.videoRange;o!=="SDR"&&(r.transferFunction=o.toLowerCase());const u=i.split(","),l=navigator.userAgent;if(u.some(d=>Zt(d))&&ji())return Promise.resolve(y(new Error(`Overriding Windows Firefox HEVC MediaCapabilities result based on user-agent sting: (${l})`),n));n.push.apply(n,u.map(d=>({type:"media-source",video:j(j({},r),{},{contentType:Vt(Ee(d),"video")})})))}return s&&a.audioGroups&&a.audioGroups.forEach(r=>{var o;r&&((o=e.groups[r])==null||o.tracks.forEach(u=>{if(u.groupId===r){const l=u.channels||"",d=parseFloat(l);b(d)&&d>2&&n.push.apply(n,s.split(",").map(h=>({type:"media-source",audio:{contentType:Vt(h,"audio"),channels:""+d}})))}}))}),Promise.all(n.map(r=>{const o=Re(r);return T[o]||(T[o]=t.decodingInfo(r))})).then(r=>({supported:!r.some(o=>!o.supported),configurations:n,decodingInfoResults:r})).catch(r=>({supported:!1,configurations:n,decodingInfoResults:[],error:r}))}function Re(a){const{audio:e,video:t}=a,i=t||e;if(i){const s=f(i.contentType);if(t)return`r${t.height}x${t.width}f${Math.ceil(t.framerate)}${t.transferFunction||"sd"}_${s}_${Math.ceil(t.bitrate/1e5)}`;if(e)return`c${e.channels}${e.spatialRendering?"s":"n"}_${s}`}return""}const Se=["NONE","TYPE-0","TYPE-1",null];function Be(a){return Se.indexOf(a)>-1}const ft=["SDR","PQ","HLG"];function mt(a){return!!a&&ft.indexOf(a)>-1}var we={No:"",Yes:"YES",v2:"v2"};function ot(a){const{canSkipUntil:e,canSkipDateRanges:t,age:i}=a,s=i<e/2;return e&&s?t?we.v2:we.Yes:we.No}class Ye{constructor(e,t,i){this.msn=void 0,this.part=void 0,this.skip=void 0,this.msn=e,this.part=t,this.skip=i}addDirectives(e){const t=new self.URL(e);return this.msn!==void 0&&t.searchParams.set("_HLS_msn",this.msn.toString()),this.part!==void 0&&t.searchParams.set("_HLS_part",this.part.toString()),this.skip&&t.searchParams.set("_HLS_skip",this.skip),t.href}}class ue{constructor(e){if(this._attrs=void 0,this.audioCodec=void 0,this.bitrate=void 0,this.codecSet=void 0,this.url=void 0,this.frameRate=void 0,this.height=void 0,this.id=void 0,this.name=void 0,this.supplemental=void 0,this.videoCodec=void 0,this.width=void 0,this.details=void 0,this.fragmentError=0,this.loadError=0,this.loaded=void 0,this.realBitrate=0,this.supportedPromise=void 0,this.supportedResult=void 0,this._avgBitrate=0,this._audioGroups=void 0,this._subtitleGroups=void 0,this._urlId=0,this.url=[e.url],this._attrs=[e.attrs],this.bitrate=e.bitrate,e.details&&(this.details=e.details),this.id=e.id||0,this.name=e.name,this.width=e.width||0,this.height=e.height||0,this.frameRate=e.attrs.optionalFloat("FRAME-RATE",0),this._avgBitrate=e.attrs.decimalInteger("AVERAGE-BANDWIDTH"),this.audioCodec=e.audioCodec,this.videoCodec=e.videoCodec,this.codecSet=[e.videoCodec,e.audioCodec].filter(i=>!!i).map(i=>i.substring(0,4)).join(","),"supplemental"in e){var t;this.supplemental=e.supplemental;const i=(t=e.supplemental)==null?void 0:t.videoCodec;i&&i!==e.videoCodec&&(this.codecSet+=`,${i.substring(0,4)}`)}this.addGroupId("audio",e.attrs.AUDIO),this.addGroupId("text",e.attrs.SUBTITLES)}get maxBitrate(){return Math.max(this.realBitrate,this.bitrate)}get averageBitrate(){return this._avgBitrate||this.realBitrate||this.bitrate}get attrs(){return this._attrs[0]}get codecs(){return this.attrs.CODECS||""}get pathwayId(){return this.attrs["PATHWAY-ID"]||"."}get videoRange(){return this.attrs["VIDEO-RANGE"]||"SDR"}get score(){return this.attrs.optionalFloat("SCORE",0)}get uri(){return this.url[0]||""}hasAudioGroup(e){return ke(this._audioGroups,e)}hasSubtitleGroup(e){return ke(this._subtitleGroups,e)}get audioGroups(){return this._audioGroups}get subtitleGroups(){return this._subtitleGroups}addGroupId(e,t){if(t){if(e==="audio"){let i=this._audioGroups;i||(i=this._audioGroups=[]),i.indexOf(t)===-1&&i.push(t)}else if(e==="text"){let i=this._subtitleGroups;i||(i=this._subtitleGroups=[]),i.indexOf(t)===-1&&i.push(t)}}}get urlId(){return 0}set urlId(e){}get audioGroupIds(){return this.audioGroups?[this.audioGroupId]:void 0}get textGroupIds(){return this.subtitleGroups?[this.textGroupId]:void 0}get audioGroupId(){var e;return(e=this.audioGroups)==null?void 0:e[0]}get textGroupId(){var e;return(e=this.subtitleGroups)==null?void 0:e[0]}addFallback(){}}function ke(a,e){return!e||!a?!1:a.indexOf(e)!==-1}function Qe(){if(typeof matchMedia=="function"){const a=matchMedia("(dynamic-range: high)"),e=matchMedia("bad query");if(a.media!==e.media)return a.matches===!0}return!1}function Ze(a,e){let t=!1,i=[];if(a&&(t=a!=="SDR",i=[a]),e){i=e.allowedVideoRanges||ft.slice(0);const s=i.join("")!=="SDR"&&!e.videoCodec;t=e.preferHDR!==void 0?e.preferHDR:s&&Qe(),t||(i=["SDR"])}return{preferHDR:t,allowedVideoRanges:i}}const Kt=a=>{const e=new WeakSet;return(t,i)=>{if(a&&(i=a(t,i)),typeof i=="object"&&i!==null){if(e.has(i))return;e.add(i)}return i}},Et=(a,e)=>JSON.stringify(a,Kt(e));function bi(a,e,t,i,s){const n=Object.keys(a),r=i==null?void 0:i.channels,o=i==null?void 0:i.audioCodec,u=s==null?void 0:s.videoCodec,l=r&&parseInt(r)===2;let d=!1,h=!1,m=1/0,v=1/0,E=1/0,S=1/0,_=0,x=[];const{preferHDR:R,allowedVideoRanges:L}=Ze(e,s);for(let z=n.length;z--;){const le=a[n[z]];d||(d=le.channels[2]>0),m=Math.min(m,le.minHeight),v=Math.min(v,le.minFramerate),E=Math.min(E,le.minBitrate),L.filter(Ae=>le.videoRanges[Ae]>0).length>0&&(h=!0)}m=b(m)?m:0,v=b(v)?v:0;const B=Math.max(1080,m),N=Math.max(30,v);E=b(E)?E:t,t=Math.max(E,t),h||(e=void 0);const te=n.length>1;return{codecSet:n.reduce((z,le)=>{const V=a[le];if(le===z)return z;if(x=h?L.filter(Ae=>V.videoRanges[Ae]>0):[],te){if(V.minBitrate>t)return qe(le,`min bitrate of ${V.minBitrate} > current estimate of ${t}`),z;if(!V.hasDefaultAudio)return qe(le,"no renditions with default or auto-select sound found"),z;if(o&&le.indexOf(o.substring(0,4))%5!==0)return qe(le,`audio codec preference "${o}" not found`),z;if(r&&!l){if(!V.channels[r])return qe(le,`no renditions with ${r} channel sound found (channels options: ${Object.keys(V.channels)})`),z}else if((!o||l)&&d&&V.channels[2]===0)return qe(le,"no renditions with stereo sound found"),z;if(V.minHeight>B)return qe(le,`min resolution of ${V.minHeight} > maximum of ${B}`),z;if(V.minFramerate>N)return qe(le,`min framerate of ${V.minFramerate} > maximum of ${N}`),z;if(!x.some(Ae=>V.videoRanges[Ae]>0))return qe(le,`no variants with VIDEO-RANGE of ${Et(x)} found`),z;if(u&&le.indexOf(u.substring(0,4))%5!==0)return qe(le,`video codec preference "${u}" not found`),z;if(V.maxScore<_)return qe(le,`max score of ${V.maxScore} < selected max of ${_}`),z}return z&&(si(le)>=si(z)||V.fragmentError>a[z].fragmentError)?z:(S=V.minIndex,_=V.maxScore,le)},void 0),videoRanges:x,preferHDR:R,minFramerate:v,minBitrate:E,minIndex:S}}function qe(a,e){Y.log(`[abr] start candidates with "${a}" ignored because ${e}`)}function $e(a){return a.reduce((e,t)=>{let i=e.groups[t.groupId];i||(i=e.groups[t.groupId]={tracks:[],channels:{2:0},hasDefault:!1,hasAutoSelect:!1}),i.tracks.push(t);const s=t.channels||"2";return i.channels[s]=(i.channels[s]||0)+1,i.hasDefault=i.hasDefault||t.default,i.hasAutoSelect=i.hasAutoSelect||t.autoselect,i.hasDefault&&(e.hasDefaultAudio=!0),i.hasAutoSelect&&(e.hasAutoSelectAudio=!0),e},{hasDefaultAudio:!1,hasAutoSelectAudio:!1,groups:{}})}function ct(a,e,t,i){return a.slice(t,i+1).reduce((s,n,r)=>{if(!n.codecSet)return s;const o=n.audioGroups;let u=s[n.codecSet];u||(s[n.codecSet]=u={minBitrate:1/0,minHeight:1/0,minFramerate:1/0,minIndex:r,maxScore:0,videoRanges:{SDR:0},channels:{2:0},hasDefaultAudio:!o,fragmentError:0}),u.minBitrate=Math.min(u.minBitrate,n.bitrate);const l=Math.min(n.height,n.width);return u.minHeight=Math.min(u.minHeight,l),u.minFramerate=Math.min(u.minFramerate,n.frameRate),u.minIndex=Math.min(u.minIndex,r),u.maxScore=Math.max(u.maxScore,n.score),u.fragmentError+=n.fragmentError,u.videoRanges[n.videoRange]=(u.videoRanges[n.videoRange]||0)+1,o&&o.forEach(d=>{if(!d)return;const h=e.groups[d];h&&(u.hasDefaultAudio=u.hasDefaultAudio||e.hasDefaultAudio?h.hasDefault:h.hasAutoSelect||!e.hasDefaultAudio&&!e.hasAutoSelectAudio,Object.keys(h.channels).forEach(m=>{u.channels[m]=(u.channels[m]||0)+h.channels[m]}))}),s},{})}function w(a){if(!a)return a;const{lang:e,assocLang:t,characteristics:i,channels:s,audioCodec:n}=a;return{lang:e,assocLang:t,characteristics:i,channels:s,audioCodec:n}}function H(a,e,t){if("attrs"in a){const i=e.indexOf(a);if(i!==-1)return i}for(let i=0;i<e.length;i++){const s=e[i];if(ae(a,s,t))return i}return-1}function ae(a,e,t){const{groupId:i,name:s,lang:n,assocLang:r,default:o}=a,u=a.forced;return(i===void 0||e.groupId===i)&&(s===void 0||e.name===s)&&(n===void 0||ee(n,e.lang))&&(n===void 0||e.assocLang===r)&&(o===void 0||e.default===o)&&(u===void 0||e.forced===u)&&(!("characteristics"in a)||de(a.characteristics||"",e.characteristics))&&(t===void 0||t(a,e))}function ee(a,e="--"){return a.length===e.length?a===e:a.startsWith(e)||e.startsWith(a)}function de(a,e=""){const t=a.split(","),i=e.split(",");return t.length===i.length&&!t.some(s=>i.indexOf(s)===-1)}function me(a,e){const{audioCodec:t,channels:i}=a;return(t===void 0||(e.audioCodec||"").substring(0,4)===t.substring(0,4))&&(i===void 0||i===(e.channels||"2"))}function Ie(a,e,t,i,s){const n=e[i],o=e.reduce((m,v,E)=>{const S=v.uri;return(m[S]||(m[S]=[])).push(E),m},{})[n.uri];o.length>1&&(i=Math.max.apply(Math,o));const u=n.videoRange,l=n.frameRate,d=n.codecSet.substring(0,4),h=je(e,i,m=>{if(m.videoRange!==u||m.frameRate!==l||m.codecSet.substring(0,4)!==d)return!1;const v=m.audioGroups,E=t.filter(S=>!v||v.indexOf(S.groupId)!==-1);return H(a,E,s)>-1});return h>-1?h:je(e,i,m=>{const v=m.audioGroups,E=t.filter(S=>!v||v.indexOf(S.groupId)!==-1);return H(a,E,s)>-1})}function je(a,e,t){for(let i=e;i>-1;i--)if(t(a[i]))return i;for(let i=e+1;i<a.length;i++)if(t(a[i]))return i;return-1}function Mt(a,e){var t;return!!a&&a!==((t=e.loadLevelObj)==null?void 0:t.uri)}class tt extends Fe{constructor(e){super("abr",e.logger),this.hls=void 0,this.lastLevelLoadSec=0,this.lastLoadedFragLevel=-1,this.firstSelection=-1,this._nextAutoLevel=-1,this.nextAutoLevelKey="",this.audioTracksByGroup=null,this.codecTiers=null,this.timer=-1,this.fragCurrent=null,this.partCurrent=null,this.bitrateTestDelay=0,this.rebufferNotice=-1,this.bwEstimator=void 0,this._abandonRulesCheck=t=>{var i;const{fragCurrent:s,partCurrent:n,hls:r}=this,{autoLevelEnabled:o,media:u}=r;if(!s||!u)return;const l=performance.now(),d=n?n.stats:s.stats,h=n?n.duration:s.duration,m=l-d.loading.start,v=r.minAutoLevel,E=s.level,S=this._nextAutoLevel;if(d.aborted||d.loaded&&d.loaded===d.total||E<=v){this.clearTimer(),this._nextAutoLevel=-1;return}if(!o)return;const _=S>-1&&S!==E,x=!!t||_;if(!x&&(u.paused||!u.playbackRate||!u.readyState))return;const R=r.mainForwardBufferInfo;if(!x&&R===null)return;const L=this.bwEstimator.getEstimateTTFB(),B=Math.abs(u.playbackRate);if(m<=Math.max(L,1e3*(h/(B*2))))return;const N=R?R.len/B:0,te=d.loading.first?d.loading.first-d.loading.start:-1,U=d.loaded&&te>-1,z=this.getBwEstimate(),le=r.levels,V=le[E],Ae=Math.max(d.loaded,Math.round(h*(s.bitrate||V.averageBitrate)/8));let Ue=U?m-te:m;Ue<1&&U&&(Ue=Math.min(m,d.loaded*8/z));const li=U?d.loaded*1e3/Ue:0,Ot=L/1e3,_t=li?(Ae-d.loaded)/li:Ae*8/z+Ot;if(_t<=N)return;const rt=li?li*8:z,St=((i=(t==null?void 0:t.details)||this.hls.latestLevelDetails)==null?void 0:i.live)===!0,pt=this.hls.config.abrBandWidthUpFactor;let be=Number.POSITIVE_INFINITY,De;for(De=E-1;De>v;De--){const Ti=le[De].maxBitrate,Ci=!le[De].details||St;if(be=this.getTimeToLoadFrag(Ot,rt,h*Ti,Ci),be<Math.min(N,h+Ot))break}if(be>=_t||be>h*10)return;U?this.bwEstimator.sample(m-Math.min(L,te),d.loaded):this.bwEstimator.sampleTTFB(m);const Ht=le[De].maxBitrate;this.getBwEstimate()*pt>Ht&&this.resetEstimator(Ht);const Nt=this.findBestLevel(Ht,v,De,0,N,1,1);Nt>-1&&(De=Nt),this.warn(`Fragment ${s.sn}${n?" part "+n.index:""} of level ${E} is loading too slowly;
|
|
Fragment duration: ${s.duration.toFixed(3)}
|
|
Time to underbuffer: ${N.toFixed(3)} s
|
|
Estimated load time for current fragment: ${_t.toFixed(3)} s
|
|
Estimated load time for down switch fragment: ${be.toFixed(3)} s
|
|
TTFB estimate: ${te|0} ms
|
|
Current BW estimate: ${b(z)?z|0:"Unknown"} bps
|
|
New BW estimate: ${this.getBwEstimate()|0} bps
|
|
Switching to level ${De} @ ${Ht|0} bps`),r.nextLoadLevel=r.nextAutoLevel=De,this.clearTimer();const ai=()=>{if(this.clearTimer(),this.fragCurrent===s&&this.hls.loadLevel===De&&De>0){const Ti=this.getStarvationDelay();if(this.warn(`Aborting inflight request ${De>0?"and switching down":""}
|
|
Fragment duration: ${s.duration.toFixed(3)} s
|
|
Time to underbuffer: ${Ti.toFixed(3)} s`),s.abortRequests(),this.fragCurrent=this.partCurrent=null,De>v){let Ci=this.findBestLevel(this.hls.levels[v].bitrate,v,De,0,Ti,1,1);Ci===-1&&(Ci=v),this.hls.nextLoadLevel=this.hls.nextAutoLevel=Ci,this.resetEstimator(this.hls.levels[Ci].bitrate)}}};_||_t>be*2?ai():this.timer=self.setInterval(ai,be*1e3),r.trigger(g.FRAG_LOAD_EMERGENCY_ABORTED,{frag:s,part:n,stats:d})},this.hls=e,this.bwEstimator=this.initEstimator(),this.registerListeners()}resetEstimator(e){e&&(this.log(`setting initial bwe to ${e}`),this.hls.config.abrEwmaDefaultEstimate=e),this.firstSelection=-1,this.bwEstimator=this.initEstimator()}initEstimator(){const e=this.hls.config;return new nt(e.abrEwmaSlowVoD,e.abrEwmaFastVoD,e.abrEwmaDefaultEstimate)}registerListeners(){const{hls:e}=this;e.on(g.MANIFEST_LOADING,this.onManifestLoading,this),e.on(g.FRAG_LOADING,this.onFragLoading,this),e.on(g.FRAG_LOADED,this.onFragLoaded,this),e.on(g.FRAG_BUFFERED,this.onFragBuffered,this),e.on(g.LEVEL_SWITCHING,this.onLevelSwitching,this),e.on(g.LEVEL_LOADED,this.onLevelLoaded,this),e.on(g.LEVELS_UPDATED,this.onLevelsUpdated,this),e.on(g.MAX_AUTO_LEVEL_UPDATED,this.onMaxAutoLevelUpdated,this),e.on(g.ERROR,this.onError,this)}unregisterListeners(){const{hls:e}=this;e&&(e.off(g.MANIFEST_LOADING,this.onManifestLoading,this),e.off(g.FRAG_LOADING,this.onFragLoading,this),e.off(g.FRAG_LOADED,this.onFragLoaded,this),e.off(g.FRAG_BUFFERED,this.onFragBuffered,this),e.off(g.LEVEL_SWITCHING,this.onLevelSwitching,this),e.off(g.LEVEL_LOADED,this.onLevelLoaded,this),e.off(g.LEVELS_UPDATED,this.onLevelsUpdated,this),e.off(g.MAX_AUTO_LEVEL_UPDATED,this.onMaxAutoLevelUpdated,this),e.off(g.ERROR,this.onError,this))}destroy(){this.unregisterListeners(),this.clearTimer(),this.hls=this._abandonRulesCheck=null,this.fragCurrent=this.partCurrent=null}onManifestLoading(e,t){this.lastLoadedFragLevel=-1,this.firstSelection=-1,this.lastLevelLoadSec=0,this.fragCurrent=this.partCurrent=null,this.onLevelsUpdated(),this.clearTimer()}onLevelsUpdated(){this.lastLoadedFragLevel>-1&&this.fragCurrent&&(this.lastLoadedFragLevel=this.fragCurrent.level),this._nextAutoLevel=-1,this.onMaxAutoLevelUpdated(),this.codecTiers=null,this.audioTracksByGroup=null}onMaxAutoLevelUpdated(){this.firstSelection=-1,this.nextAutoLevelKey=""}onFragLoading(e,t){const i=t.frag;if(!this.ignoreFragment(i)){if(!i.bitrateTest){var s;this.fragCurrent=i,this.partCurrent=(s=t.part)!=null?s:null}this.clearTimer(),this.timer=self.setInterval(this._abandonRulesCheck,100)}}onLevelSwitching(e,t){this.clearTimer()}onError(e,t){if(!t.fatal)switch(t.details){case A.BUFFER_ADD_CODEC_ERROR:case A.BUFFER_APPEND_ERROR:this.lastLoadedFragLevel=-1,this.firstSelection=-1;break;case A.FRAG_LOAD_TIMEOUT:{const i=t.frag,{fragCurrent:s,partCurrent:n}=this;if(i&&s&&i.sn===s.sn&&i.level===s.level){const r=performance.now(),o=n?n.stats:i.stats,u=r-o.loading.start,l=o.loading.first?o.loading.first-o.loading.start:-1;if(o.loaded&&l>-1){const h=this.bwEstimator.getEstimateTTFB();this.bwEstimator.sample(u-Math.min(h,l),o.loaded)}else this.bwEstimator.sampleTTFB(u)}break}}}getTimeToLoadFrag(e,t,i,s){const n=e+i/t,r=s?e+this.lastLevelLoadSec:0;return n+r}onLevelLoaded(e,t){const i=this.hls.config,{loading:s}=t.stats,n=s.end-s.first;b(n)&&(this.lastLevelLoadSec=n/1e3),t.details.live?this.bwEstimator.update(i.abrEwmaSlowLive,i.abrEwmaFastLive):this.bwEstimator.update(i.abrEwmaSlowVoD,i.abrEwmaFastVoD),this.timer>-1&&this._abandonRulesCheck(t.levelInfo)}onFragLoaded(e,{frag:t,part:i}){const s=i?i.stats:t.stats;if(t.type===oe.MAIN&&this.bwEstimator.sampleTTFB(s.loading.first-s.loading.start),!this.ignoreFragment(t)){if(this.clearTimer(),t.level===this._nextAutoLevel&&(this._nextAutoLevel=-1),this.firstSelection=-1,this.hls.config.abrMaxWithRealBitrate){const n=i?i.duration:t.duration,r=this.hls.levels[t.level],o=(r.loaded?r.loaded.bytes:0)+s.loaded,u=(r.loaded?r.loaded.duration:0)+n;r.loaded={bytes:o,duration:u},r.realBitrate=Math.round(8*o/u)}if(t.bitrateTest){const n={stats:s,frag:t,part:i,id:t.type};this.onFragBuffered(g.FRAG_BUFFERED,n),t.bitrateTest=!1}else this.lastLoadedFragLevel=t.level}}onFragBuffered(e,t){const{frag:i,part:s}=t,n=s!=null&&s.stats.loaded?s.stats:i.stats;if(n.aborted||this.ignoreFragment(i))return;const r=n.parsing.end-n.loading.start-Math.min(n.loading.first-n.loading.start,this.bwEstimator.getEstimateTTFB());this.bwEstimator.sample(r,n.loaded),n.bwEstimate=this.getBwEstimate(),i.bitrateTest?this.bitrateTestDelay=r/1e3:this.bitrateTestDelay=0}ignoreFragment(e){return e.type!==oe.MAIN||e.sn==="initSegment"}clearTimer(){this.timer>-1&&(self.clearInterval(this.timer),this.timer=-1)}get firstAutoLevel(){const{maxAutoLevel:e,minAutoLevel:t}=this.hls,i=this.getBwEstimate(),s=this.hls.config.maxStarvationDelay,n=this.findBestLevel(i,t,e,0,s,1,1);if(n>-1)return n;const r=this.hls.firstLevel,o=Math.min(Math.max(r,t),e);return this.warn(`Could not find best starting auto level. Defaulting to first in playlist ${r} clamped to ${o}`),o}get forcedAutoLevel(){return this.nextAutoLevelKey?-1:this._nextAutoLevel}get nextAutoLevel(){const e=this.forcedAutoLevel,i=this.bwEstimator.canEstimate(),s=this.lastLoadedFragLevel>-1;if(e!==-1&&(!i||!s||this.nextAutoLevelKey===this.getAutoLevelKey()))return e;const n=i&&s?this.getNextABRAutoLevel():this.firstAutoLevel;if(e!==-1){const r=this.hls.levels;if(r.length>Math.max(e,n)&&r[e].loadError<=r[n].loadError)return e}return this._nextAutoLevel=n,this.nextAutoLevelKey=this.getAutoLevelKey(),n}getAutoLevelKey(){return`${this.getBwEstimate()}_${this.getStarvationDelay().toFixed(2)}`}getNextABRAutoLevel(){const{fragCurrent:e,partCurrent:t,hls:i}=this;if(i.levels.length<=1)return i.loadLevel;const{maxAutoLevel:s,config:n,minAutoLevel:r}=i,o=t?t.duration:e?e.duration:0,u=this.getBwEstimate(),l=this.getStarvationDelay();let d=n.abrBandWidthFactor,h=n.abrBandWidthUpFactor;if(l){const _=this.findBestLevel(u,r,s,l,0,d,h);if(_>=0)return this.rebufferNotice=-1,_}let m=o?Math.min(o,n.maxStarvationDelay):n.maxStarvationDelay;if(!l){const _=this.bitrateTestDelay;_&&(m=(o?Math.min(o,n.maxLoadingDelay):n.maxLoadingDelay)-_,this.info(`bitrate test took ${Math.round(1e3*_)}ms, set first fragment max fetchDuration to ${Math.round(1e3*m)} ms`),d=h=1)}const v=this.findBestLevel(u,r,s,l,m,d,h);if(this.rebufferNotice!==v&&(this.rebufferNotice=v,this.info(`${l?"rebuffering expected":"buffer is empty"}, optimal quality level ${v}`)),v>-1)return v;const E=i.levels[r],S=i.loadLevelObj;return S&&(E==null?void 0:E.bitrate)<S.bitrate?r:i.loadLevel}getStarvationDelay(){const e=this.hls,t=e.media;if(!t)return 1/0;const i=t&&t.playbackRate!==0?Math.abs(t.playbackRate):1,s=e.mainForwardBufferInfo;return(s?s.len:0)/i}getBwEstimate(){return this.bwEstimator.canEstimate()?this.bwEstimator.getEstimate():this.hls.config.abrEwmaDefaultEstimate}findBestLevel(e,t,i,s,n,r,o){var u;const l=s+n,d=this.lastLoadedFragLevel,h=d===-1?this.hls.firstLevel:d,{fragCurrent:m,partCurrent:v}=this,{levels:E,allAudioTracks:S,loadLevel:_,config:x}=this.hls;if(E.length===1)return 0;const R=E[h],L=!!((u=this.hls.latestLevelDetails)!=null&&u.live),B=_===-1||d===-1;let N,te="SDR",U=(R==null?void 0:R.frameRate)||0;const{audioPreference:z,videoPreference:le}=x,V=this.audioTracksByGroup||(this.audioTracksByGroup=$e(S));let Ae=-1;if(B){if(this.firstSelection!==-1)return this.firstSelection;const rt=this.codecTiers||(this.codecTiers=ct(E,V,t,i)),St=bi(rt,te,e,z,le),{codecSet:pt,videoRanges:be,minFramerate:De,minBitrate:Ht,minIndex:Nt,preferHDR:ai}=St;Ae=Nt,N=pt,te=ai?be[be.length-1]:be[0],U=De,e=Math.max(e,Ht),this.log(`picked start tier ${Et(St)}`)}else N=R==null?void 0:R.codecSet,te=R==null?void 0:R.videoRange;const Ue=v?v.duration:m?m.duration:0,li=this.bwEstimator.getEstimateTTFB()/1e3,Ot=[];for(let rt=i;rt>=t;rt--){var _t;const St=E[rt],pt=rt>h;if(!St)continue;if(x.useMediaCapabilities&&!St.supportedResult&&!St.supportedPromise){const Ci=navigator.mediaCapabilities;typeof(Ci==null?void 0:Ci.decodingInfo)=="function"&&(I(St,V,te,U,e,z)||Zt(St.videoCodec))?(St.supportedPromise=P(St,V,Ci),St.supportedPromise.then(Mi=>{if(!this.hls)return;St.supportedResult=Mi;const Rs=this.hls.levels,Ds=Rs.indexOf(St);Mi.error?this.warn(`MediaCapabilities decodingInfo error: "${Mi.error}" for level ${Ds} ${Et(Mi)}`):Mi.supported||(this.warn(`Unsupported MediaCapabilities decodingInfo result for level ${Ds} ${Et(Mi)}`),Ds>-1&&Rs.length>1&&(this.log(`Removing unsupported level ${Ds}`),this.hls.removeLevel(Ds),this.hls.loadLevel===-1&&(this.hls.nextLoadLevel=0)))})):St.supportedResult=p}if((N&&St.codecSet!==N||te&&St.videoRange!==te||pt&&U>St.frameRate||!pt&&U>0&&U<St.frameRate||St.supportedResult&&!((_t=St.supportedResult.decodingInfoResults)!=null&&_t[0].smooth))&&(!B||rt!==Ae)){Ot.push(rt);continue}const be=St.details,De=(v?be==null?void 0:be.partTarget:be==null?void 0:be.averagetargetduration)||Ue;let Ht;pt?Ht=o*e:Ht=r*e;const Nt=Ue&&s>=Ue*2&&n===0?St.averageBitrate:St.maxBitrate,ai=this.getTimeToLoadFrag(li,Ht,Nt*De,be===void 0);if(Ht>=Nt&&(rt===d||St.loadError===0&&St.fragmentError===0)&&(ai<=li||!b(ai)||L&&!this.bitrateTestDelay||ai<l)){const Ci=this.forcedAutoLevel;return rt!==_&&(Ci===-1||Ci!==_)&&(Ot.length&&this.trace(`Skipped level(s) ${Ot.join(",")} of ${i} max with CODECS and VIDEO-RANGE:"${E[Ot[0]].codecs}" ${E[Ot[0]].videoRange}; not compatible with "${N}" ${te}`),this.info(`switch candidate:${h}->${rt} adjustedbw(${Math.round(Ht)})-bitrate=${Math.round(Ht-Nt)} ttfb:${li.toFixed(1)} avgDuration:${De.toFixed(1)} maxFetchDuration:${l.toFixed(1)} fetchDuration:${ai.toFixed(1)} firstSelection:${B} codecSet:${St.codecSet} videoRange:${St.videoRange} hls.loadLevel:${_}`)),B&&(this.firstSelection=rt),rt}}return-1}set nextAutoLevel(e){const t=this.deriveNextAutoLevel(e);this._nextAutoLevel!==t&&(this.nextAutoLevelKey="",this._nextAutoLevel=t)}deriveNextAutoLevel(e){const{maxAutoLevel:t,minAutoLevel:i}=this.hls;return Math.min(Math.max(e,i),t)}}const At={search:function(a,e){let t=0,i=a.length-1,s=null,n=null;for(;t<=i;){s=(t+i)/2|0,n=a[s];const r=e(n);if(r>0)t=s+1;else if(r<0)i=s-1;else return n}return null}};function gt(a,e,t){if(e===null||!Array.isArray(a)||!a.length||!b(e))return null;const i=a[0].programDateTime;if(e<(i||0))return null;const s=a[a.length-1].endProgramDateTime;if(e>=(s||0))return null;t=t||0;for(let n=0;n<a.length;++n){const r=a[n];if(wt(e,t,r))return r}return null}function Bt(a,e,t=0,i=0,s=.005){let n=null;if(a){n=e[1+a.sn-e[0].sn]||null;const o=a.endDTS-t;o>0&&o<15e-7&&(t+=15e-7),n&&a.level!==n.level&&n.end<=a.end&&(n=e[2+a.sn-e[0].sn]||null)}else t===0&&e[0].start===0&&(n=e[0]);if(n&&((!a||a.level===n.level)&&qt(t,i,n)===0||Ut(n,a,Math.min(s,i))))return n;const r=At.search(e,qt.bind(null,t,i));return r&&(r!==a||!n)?r:n}function Ut(a,e,t){if(e&&e.start===0&&e.level<a.level&&(e.endPTS||0)>0){const i=e.tagList.reduce((s,n)=>(n[0]==="INF"&&(s+=parseFloat(n[1])),s),t);return a.start<=i}return!1}function qt(a=0,e=0,t){if(t.start<=a&&t.start+t.duration>a)return 0;const i=Math.min(e,t.duration+(t.deltaPTS?t.deltaPTS:0));return t.start+t.duration-i<=a?1:t.start-i>a&&t.start?-1:0}function wt(a,e,t){const i=Math.min(e,t.duration+(t.deltaPTS?t.deltaPTS:0))*1e3;return(t.endProgramDateTime||0)-i>a}function Tt(a,e){return At.search(a,t=>t.cc<e?1:t.cc>e?-1:0)}function ni(a,e,t){if(a&&a.startCC<=e&&a.endCC>=e){const i=t.start,s=t.end;let n=a.fragments;if(!t.relurl){const{fragmentHint:r}=a;r&&(n=n.concat(r))}return At.search(n,r=>r.cc<e||r.end<=i?1:r.cc>e||r.start>=s?-1:0)}return null}function Ei(a){switch(a.details){case A.FRAG_LOAD_TIMEOUT:case A.KEY_LOAD_TIMEOUT:case A.LEVEL_LOAD_TIMEOUT:case A.MANIFEST_LOAD_TIMEOUT:return!0}return!1}function Jt(a,e){const t=Ei(e);return a.default[`${t?"timeout":"error"}Retry`]}function $t(a,e){const t=a.backoff==="linear"?1:Math.pow(2,e);return Math.min(t*a.retryDelayMs,a.maxRetryDelayMs)}function yi(a){return j(j({},a),{errorRetry:null,timeoutRetry:null})}function Xt(a,e,t,i){if(!a)return!1;const s=i==null?void 0:i.code,n=e<a.maxNumRetry&&(gi(s)||!!t);return a.shouldRetry?a.shouldRetry(a,e,t,i,n):n}function gi(a){return a===0&&navigator.onLine===!1||!!a&&(a<400||a>499)}var di={DoNothing:0,SendEndCallback:1,SendAlternateToPenaltyBox:2,RemoveAlternatePermanently:3,InsertDiscontinuity:4,RetryRequest:5},ri={None:0,MoveAllAlternatesMatchingHost:1,MoveAllAlternatesMatchingHDCP:2,SwitchToSDR:4};class es extends Fe{constructor(e){super("error-controller",e.logger),this.hls=void 0,this.playlistError=0,this.penalizedRenditions={},this.hls=e,this.registerListeners()}registerListeners(){const e=this.hls;e.on(g.ERROR,this.onError,this),e.on(g.MANIFEST_LOADING,this.onManifestLoading,this),e.on(g.LEVEL_UPDATED,this.onLevelUpdated,this)}unregisterListeners(){const e=this.hls;e&&(e.off(g.ERROR,this.onError,this),e.off(g.ERROR,this.onErrorOut,this),e.off(g.MANIFEST_LOADING,this.onManifestLoading,this),e.off(g.LEVEL_UPDATED,this.onLevelUpdated,this))}destroy(){this.unregisterListeners(),this.hls=null,this.penalizedRenditions={}}startLoad(e){}stopLoad(){this.playlistError=0}getVariantLevelIndex(e){return(e==null?void 0:e.type)===oe.MAIN?e.level:this.hls.loadLevel}onManifestLoading(){this.playlistError=0,this.penalizedRenditions={}}onLevelUpdated(){this.playlistError=0}onError(e,t){var i;if(t.fatal)return;const s=this.hls,n=t.context;switch(t.details){case A.FRAG_LOAD_ERROR:case A.FRAG_LOAD_TIMEOUT:case A.KEY_LOAD_ERROR:case A.KEY_LOAD_TIMEOUT:t.errorAction=this.getFragRetryOrSwitchAction(t);return;case A.FRAG_PARSING_ERROR:if((i=t.frag)!=null&&i.gap){t.errorAction=wi();return}case A.FRAG_GAP:case A.FRAG_DECRYPT_ERROR:{t.errorAction=this.getFragRetryOrSwitchAction(t),t.errorAction.action=di.SendAlternateToPenaltyBox;return}case A.LEVEL_EMPTY_ERROR:case A.LEVEL_PARSING_ERROR:{var r,o;const l=t.parent===oe.MAIN?t.level:s.loadLevel;t.details===A.LEVEL_EMPTY_ERROR&&((r=t.context)!=null&&(o=r.levelDetails)!=null&&o.live)?t.errorAction=this.getPlaylistRetryOrSwitchAction(t,l):(t.levelRetry=!1,t.errorAction=this.getLevelSwitchAction(t,l))}return;case A.LEVEL_LOAD_ERROR:case A.LEVEL_LOAD_TIMEOUT:typeof(n==null?void 0:n.level)=="number"&&(t.errorAction=this.getPlaylistRetryOrSwitchAction(t,n.level));return;case A.AUDIO_TRACK_LOAD_ERROR:case A.AUDIO_TRACK_LOAD_TIMEOUT:case A.SUBTITLE_LOAD_ERROR:case A.SUBTITLE_TRACK_LOAD_TIMEOUT:if(n){const l=s.loadLevelObj;if(l&&(n.type===xe.AUDIO_TRACK&&l.hasAudioGroup(n.groupId)||n.type===xe.SUBTITLE_TRACK&&l.hasSubtitleGroup(n.groupId))){t.errorAction=this.getPlaylistRetryOrSwitchAction(t,s.loadLevel),t.errorAction.action=di.SendAlternateToPenaltyBox,t.errorAction.flags=ri.MoveAllAlternatesMatchingHost;return}}return;case A.KEY_SYSTEM_STATUS_OUTPUT_RESTRICTED:{const l=s.loadLevelObj,d=l==null?void 0:l.attrs["HDCP-LEVEL"];d?t.errorAction={action:di.SendAlternateToPenaltyBox,flags:ri.MoveAllAlternatesMatchingHDCP,hdcpLevel:d}:this.keySystemError(t)}return;case A.BUFFER_ADD_CODEC_ERROR:case A.REMUX_ALLOC_ERROR:case A.BUFFER_APPEND_ERROR:if(!t.errorAction){var u;t.errorAction=this.getLevelSwitchAction(t,(u=t.level)!=null?u:s.loadLevel)}return;case A.INTERNAL_EXCEPTION:case A.BUFFER_APPENDING_ERROR:case A.BUFFER_FULL_ERROR:case A.LEVEL_SWITCH_ERROR:case A.BUFFER_STALLED_ERROR:case A.BUFFER_SEEK_OVER_HOLE:case A.BUFFER_NUDGE_ON_STALL:t.errorAction=wi();return}t.type===Z.KEY_SYSTEM_ERROR&&this.keySystemError(t)}keySystemError(e){const t=this.getVariantLevelIndex(e.frag);e.levelRetry=!1,e.errorAction=this.getLevelSwitchAction(e,t)}getPlaylistRetryOrSwitchAction(e,t){const i=this.hls,s=Jt(i.config.playlistLoadPolicy,e),n=this.playlistError++;if(Xt(s,n,Ei(e),e.response))return{action:di.RetryRequest,flags:ri.None,retryConfig:s,retryCount:n};const o=this.getLevelSwitchAction(e,t);return s&&(o.retryConfig=s,o.retryCount=n),o}getFragRetryOrSwitchAction(e){const t=this.hls,i=this.getVariantLevelIndex(e.frag),s=t.levels[i],{fragLoadPolicy:n,keyLoadPolicy:r}=t.config,o=Jt(e.details.startsWith("key")?r:n,e),u=t.levels.reduce((d,h)=>d+h.fragmentError,0);if(s&&(e.details!==A.FRAG_GAP&&s.fragmentError++,Xt(o,u,Ei(e),e.response)))return{action:di.RetryRequest,flags:ri.None,retryConfig:o,retryCount:u};const l=this.getLevelSwitchAction(e,i);return o&&(l.retryConfig=o,l.retryCount=u),l}getLevelSwitchAction(e,t){const i=this.hls;t==null&&(t=i.loadLevel);const s=this.hls.levels[t];if(s){var n,r;const l=e.details;s.loadError++,l===A.BUFFER_APPEND_ERROR&&s.fragmentError++;let d=-1;const{levels:h,loadLevel:m,minAutoLevel:v,maxAutoLevel:E}=i;i.autoLevelEnabled||(i.loadLevel=-1);const S=(n=e.frag)==null?void 0:n.type,x=(S===oe.AUDIO&&l===A.FRAG_PARSING_ERROR||e.sourceBufferName==="audio"&&(l===A.BUFFER_ADD_CODEC_ERROR||l===A.BUFFER_APPEND_ERROR))&&h.some(({audioCodec:te})=>s.audioCodec!==te),L=e.sourceBufferName==="video"&&(l===A.BUFFER_ADD_CODEC_ERROR||l===A.BUFFER_APPEND_ERROR)&&h.some(({codecSet:te,audioCodec:U})=>s.codecSet!==te&&s.audioCodec===U),{type:B,groupId:N}=(r=e.context)!=null?r:{};for(let te=h.length;te--;){const U=(te+m)%h.length;if(U!==m&&U>=v&&U<=E&&h[U].loadError===0){var o,u;const z=h[U];if(l===A.FRAG_GAP&&S===oe.MAIN&&e.frag){const le=h[U].details;if(le){const V=Bt(e.frag,le.fragments,e.frag.start);if(V!=null&&V.gap)continue}}else{if(B===xe.AUDIO_TRACK&&z.hasAudioGroup(N)||B===xe.SUBTITLE_TRACK&&z.hasSubtitleGroup(N))continue;if(S===oe.AUDIO&&(o=s.audioGroups)!=null&&o.some(le=>z.hasAudioGroup(le))||S===oe.SUBTITLE&&(u=s.subtitleGroups)!=null&&u.some(le=>z.hasSubtitleGroup(le))||x&&s.audioCodec===z.audioCodec||!x&&s.audioCodec!==z.audioCodec||L&&s.codecSet===z.codecSet)continue}d=U;break}}if(d>-1&&i.loadLevel!==d)return e.levelRetry=!0,this.playlistError=0,{action:di.SendAlternateToPenaltyBox,flags:ri.None,nextAutoLevel:d}}return{action:di.SendAlternateToPenaltyBox,flags:ri.MoveAllAlternatesMatchingHost}}onErrorOut(e,t){var i;switch((i=t.errorAction)==null?void 0:i.action){case di.DoNothing:break;case di.SendAlternateToPenaltyBox:this.sendAlternateToPenaltyBox(t),!t.errorAction.resolved&&t.details!==A.FRAG_GAP?t.fatal=!0:/MediaSource readyState: ended/.test(t.error.message)&&(this.warn(`MediaSource ended after "${t.sourceBufferName}" sourceBuffer append error. Attempting to recover from media error.`),this.hls.recoverMediaError());break;case di.RetryRequest:break}if(t.fatal){this.hls.stopLoad();return}}sendAlternateToPenaltyBox(e){const t=this.hls,i=e.errorAction;if(!i)return;const{flags:s,hdcpLevel:n,nextAutoLevel:r}=i;switch(s){case ri.None:this.switchLevel(e,r);break;case ri.MoveAllAlternatesMatchingHDCP:n&&(t.maxHdcpLevel=Se[Se.indexOf(n)-1],i.resolved=!0),this.warn(`Restricting playback to HDCP-LEVEL of "${t.maxHdcpLevel}" or lower`);break}i.resolved||this.switchLevel(e,r)}switchLevel(e,t){if(t!==void 0&&e.errorAction&&(this.warn(`switching to level ${t} after ${e.details}`),this.hls.nextAutoLevel=t,e.errorAction.resolved=!0,this.hls.nextLoadLevel=this.hls.nextAutoLevel,e.details===A.BUFFER_ADD_CODEC_ERROR&&e.mimeType&&e.sourceBufferName!=="audiovideo")){const i=f(e.mimeType),s=this.hls.levels;for(let n=s.length;n--;)s[n][`${e.sourceBufferName}Codec`]===i&&this.hls.removeLevel(n)}}}function wi(a){const e={action:di.DoNothing,flags:ri.None};return a&&(e.resolved=!0),e}var Qt={NOT_LOADED:"NOT_LOADED",APPENDING:"APPENDING",PARTIAL:"PARTIAL",OK:"OK"};class Yi{constructor(e){this.activePartLists=Object.create(null),this.endListFragments=Object.create(null),this.fragments=Object.create(null),this.timeRanges=Object.create(null),this.bufferPadding=.2,this.hls=void 0,this.hasGaps=!1,this.hls=e,this._registerListeners()}_registerListeners(){const{hls:e}=this;e.on(g.MANIFEST_LOADING,this.onManifestLoading,this),e.on(g.BUFFER_APPENDED,this.onBufferAppended,this),e.on(g.FRAG_BUFFERED,this.onFragBuffered,this),e.on(g.FRAG_LOADED,this.onFragLoaded,this)}_unregisterListeners(){const{hls:e}=this;e.off(g.MANIFEST_LOADING,this.onManifestLoading,this),e.off(g.BUFFER_APPENDED,this.onBufferAppended,this),e.off(g.FRAG_BUFFERED,this.onFragBuffered,this),e.off(g.FRAG_LOADED,this.onFragLoaded,this)}destroy(){this._unregisterListeners(),this.fragments=this.activePartLists=this.endListFragments=this.timeRanges=null}getAppendedFrag(e,t){const i=this.activePartLists[t];if(i)for(let s=i.length;s--;){const n=i[s];if(!n)break;const r=n.end;if(n.start<=e&&r!==null&&e<=r)return n}return this.getBufferedFrag(e,t)}getBufferedFrag(e,t){return this.getFragAtPos(e,t,!0)}getFragAtPos(e,t,i){const{fragments:s}=this,n=Object.keys(s);for(let r=n.length;r--;){const o=s[n[r]];if((o==null?void 0:o.body.type)===t&&(!i||o.buffered)){const u=o.body;if(u.start<=e&&e<=u.end)return u}}return null}detectEvictedFragments(e,t,i,s,n){this.timeRanges&&(this.timeRanges[e]=t);const r=(s==null?void 0:s.fragment.sn)||-1;Object.keys(this.fragments).forEach(o=>{const u=this.fragments[o];if(!u||r>=u.body.sn)return;if(!u.buffered&&(!u.loaded||n)){u.body.type===i&&this.removeFragment(u.body);return}const l=u.range[e];if(l){if(l.time.length===0){this.removeFragment(u.body);return}l.time.some(d=>{const h=!this.isTimeBuffered(d.startPTS,d.endPTS,t);return h&&this.removeFragment(u.body),h})}})}detectPartialFragments(e){const t=this.timeRanges;if(!t||e.frag.sn==="initSegment")return;const i=e.frag,s=ki(i),n=this.fragments[s];if(!n||n.buffered&&i.gap)return;const r=!i.relurl;Object.keys(t).forEach(o=>{const u=i.elementaryStreams[o];if(!u)return;const l=t[o],d=r||u.partial===!0;n.range[o]=this.getBufferedTimes(i,e.part,d,l)}),n.loaded=null,Object.keys(n.range).length?(n.buffered=!0,(n.body.endList=i.endList||n.body.endList)&&(this.endListFragments[n.body.type]=n),$i(n)||this.removeParts(i.sn-1,i.type)):this.removeFragment(n.body)}removeParts(e,t){const i=this.activePartLists[t];i&&(this.activePartLists[t]=is(i,s=>s.fragment.sn>=e))}fragBuffered(e,t){const i=ki(e);let s=this.fragments[i];!s&&t&&(s=this.fragments[i]={body:e,appendedPTS:null,loaded:null,buffered:!1,range:Object.create(null)},e.gap&&(this.hasGaps=!0)),s&&(s.loaded=null,s.buffered=!0)}getBufferedTimes(e,t,i,s){const n={time:[],partial:i},r=e.start,o=e.end,u=e.minEndPTS||o,l=e.maxStartPTS||r;for(let d=0;d<s.length;d++){const h=s.start(d)-this.bufferPadding,m=s.end(d)+this.bufferPadding;if(l>=h&&u<=m){n.time.push({startPTS:Math.max(r,s.start(d)),endPTS:Math.min(o,s.end(d))});break}else if(r<m&&o>h){const v=Math.max(r,s.start(d)),E=Math.min(o,s.end(d));E>v&&(n.partial=!0,n.time.push({startPTS:v,endPTS:E}))}else if(o<=h)break}return n}getPartialFragment(e){let t=null,i,s,n,r=0;const{bufferPadding:o,fragments:u}=this;return Object.keys(u).forEach(l=>{const d=u[l];d&&$i(d)&&(s=d.body.start-o,n=d.body.end+o,e>=s&&e<=n&&(i=Math.min(e-s,n-e),r<=i&&(t=d.body,r=i)))}),t}isEndListAppended(e){const t=this.endListFragments[e];return t!==void 0&&(t.buffered||$i(t))}getState(e){const t=ki(e),i=this.fragments[t];return i?i.buffered?$i(i)?Qt.PARTIAL:Qt.OK:Qt.APPENDING:Qt.NOT_LOADED}isTimeBuffered(e,t,i){let s,n;for(let r=0;r<i.length;r++){if(s=i.start(r)-this.bufferPadding,n=i.end(r)+this.bufferPadding,e>=s&&t<=n)return!0;if(t<=s)return!1}return!1}onManifestLoading(){this.removeAllFragments()}onFragLoaded(e,t){if(t.frag.sn==="initSegment"||t.frag.bitrateTest)return;const i=t.frag,s=t.part?null:t,n=ki(i);this.fragments[n]={body:i,appendedPTS:null,loaded:s,buffered:!1,range:Object.create(null)}}onBufferAppended(e,t){const{frag:i,part:s,timeRanges:n,type:r}=t;if(i.sn==="initSegment")return;const o=i.type;if(s){let l=this.activePartLists[o];l||(this.activePartLists[o]=l=[]),l.push(s)}this.timeRanges=n;const u=n[r];this.detectEvictedFragments(r,u,o,s)}onFragBuffered(e,t){this.detectPartialFragments(t)}hasFragment(e){const t=ki(e);return!!this.fragments[t]}hasFragments(e){const{fragments:t}=this,i=Object.keys(t);if(!e)return i.length>0;for(let s=i.length;s--;){const n=t[i[s]];if((n==null?void 0:n.body.type)===e)return!0}return!1}hasParts(e){var t;return!!((t=this.activePartLists[e])!=null&&t.length)}removeFragmentsInRange(e,t,i,s,n){s&&!this.hasGaps||Object.keys(this.fragments).forEach(r=>{const o=this.fragments[r];if(!o)return;const u=o.body;u.type!==i||s&&!u.gap||u.start<t&&u.end>e&&(o.buffered||n)&&this.removeFragment(u)})}removeFragment(e){const t=ki(e);e.clearElementaryStreamInfo();const i=this.activePartLists[e.type];if(i){const s=e.sn;this.activePartLists[e.type]=is(i,n=>n.fragment.sn!==s)}delete this.fragments[t],e.endList&&delete this.endListFragments[e.type]}removeAllFragments(){var e,t;this.fragments=Object.create(null),this.endListFragments=Object.create(null),this.activePartLists=Object.create(null),this.hasGaps=!1;const i=(e=this.hls)==null||(t=e.latestLevelDetails)==null?void 0:t.partList;i&&i.forEach(s=>s.clearElementaryStreamInfo())}}function $i(a){var e,t,i;return a.buffered&&(a.body.gap||((e=a.range.video)==null?void 0:e.partial)||((t=a.range.audio)==null?void 0:t.partial)||((i=a.range.audiovideo)==null?void 0:i.partial))}function ki(a){return`${a.type}_${a.level}_${a.sn}`}function is(a,e){return a.filter(t=>{const i=e(t);return i||t.clearElementaryStreamInfo(),i})}var Ii={cbc:0,ctr:1};class us{constructor(e,t,i){this.subtle=void 0,this.aesIV=void 0,this.aesMode=void 0,this.subtle=e,this.aesIV=t,this.aesMode=i}decrypt(e,t){switch(this.aesMode){case Ii.cbc:return this.subtle.decrypt({name:"AES-CBC",iv:this.aesIV},t,e);case Ii.ctr:return this.subtle.decrypt({name:"AES-CTR",counter:this.aesIV,length:64},t,e);default:throw new Error(`[AESCrypto] invalid aes mode ${this.aesMode}`)}}}function _i(a){const e=a.byteLength,t=e&&new DataView(a.buffer).getUint8(e-1);return t?a.slice(0,e-t):a}class ms{constructor(){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()}uint8ArrayToUint32Array_(e){const t=new DataView(e),i=new Uint32Array(4);for(let s=0;s<4;s++)i[s]=t.getUint32(s*4);return i}initTable(){const e=this.sBox,t=this.invSBox,i=this.subMix,s=i[0],n=i[1],r=i[2],o=i[3],u=this.invSubMix,l=u[0],d=u[1],h=u[2],m=u[3],v=new Uint32Array(256);let E=0,S=0,_=0;for(_=0;_<256;_++)_<128?v[_]=_<<1:v[_]=_<<1^283;for(_=0;_<256;_++){let x=S^S<<1^S<<2^S<<3^S<<4;x=x>>>8^x&255^99,e[E]=x,t[x]=E;const R=v[E],L=v[R],B=v[L];let N=v[x]*257^x*16843008;s[E]=N<<24|N>>>8,n[E]=N<<16|N>>>16,r[E]=N<<8|N>>>24,o[E]=N,N=B*16843009^L*65537^R*257^E*16843008,l[x]=N<<24|N>>>8,d[x]=N<<16|N>>>16,h[x]=N<<8|N>>>24,m[x]=N,E?(E=R^v[v[v[B^R]]],S^=v[v[S]]):E=S=1}}expandKey(e){const t=this.uint8ArrayToUint32Array_(e);let i=!0,s=0;for(;s<t.length&&i;)i=t[s]===this.key[s],s++;if(i)return;this.key=t;const n=this.keySize=t.length;if(n!==4&&n!==6&&n!==8)throw new Error("Invalid aes key size="+n);const r=this.ksRows=(n+6+1)*4;let o,u;const l=this.keySchedule=new Uint32Array(r),d=this.invKeySchedule=new Uint32Array(r),h=this.sBox,m=this.rcon,v=this.invSubMix,E=v[0],S=v[1],_=v[2],x=v[3];let R,L;for(o=0;o<r;o++){if(o<n){R=l[o]=t[o];continue}L=R,o%n===0?(L=L<<8|L>>>24,L=h[L>>>24]<<24|h[L>>>16&255]<<16|h[L>>>8&255]<<8|h[L&255],L^=m[o/n|0]<<24):n>6&&o%n===4&&(L=h[L>>>24]<<24|h[L>>>16&255]<<16|h[L>>>8&255]<<8|h[L&255]),l[o]=R=(l[o-n]^L)>>>0}for(u=0;u<r;u++)o=r-u,u&3?L=l[o]:L=l[o-4],u<4||o<=4?d[u]=L:d[u]=E[h[L>>>24]]^S[h[L>>>16&255]]^_[h[L>>>8&255]]^x[h[L&255]],d[u]=d[u]>>>0}networkToHostOrderSwap(e){return e<<24|(e&65280)<<8|(e&16711680)>>8|e>>>24}decrypt(e,t,i){const s=this.keySize+6,n=this.invKeySchedule,r=this.invSBox,o=this.invSubMix,u=o[0],l=o[1],d=o[2],h=o[3],m=this.uint8ArrayToUint32Array_(i);let v=m[0],E=m[1],S=m[2],_=m[3];const x=new Int32Array(e),R=new Int32Array(x.length);let L,B,N,te,U,z,le,V,Ae,Ue,li,Ot,_t,rt;const St=this.networkToHostOrderSwap;for(;t<x.length;){for(Ae=St(x[t]),Ue=St(x[t+1]),li=St(x[t+2]),Ot=St(x[t+3]),U=Ae^n[0],z=Ot^n[1],le=li^n[2],V=Ue^n[3],_t=4,rt=1;rt<s;rt++)L=u[U>>>24]^l[z>>16&255]^d[le>>8&255]^h[V&255]^n[_t],B=u[z>>>24]^l[le>>16&255]^d[V>>8&255]^h[U&255]^n[_t+1],N=u[le>>>24]^l[V>>16&255]^d[U>>8&255]^h[z&255]^n[_t+2],te=u[V>>>24]^l[U>>16&255]^d[z>>8&255]^h[le&255]^n[_t+3],U=L,z=B,le=N,V=te,_t=_t+4;L=r[U>>>24]<<24^r[z>>16&255]<<16^r[le>>8&255]<<8^r[V&255]^n[_t],B=r[z>>>24]<<24^r[le>>16&255]<<16^r[V>>8&255]<<8^r[U&255]^n[_t+1],N=r[le>>>24]<<24^r[V>>16&255]<<16^r[U>>8&255]<<8^r[z&255]^n[_t+2],te=r[V>>>24]<<24^r[U>>16&255]<<16^r[z>>8&255]<<8^r[le&255]^n[_t+3],R[t]=St(L^v),R[t+1]=St(te^E),R[t+2]=St(N^S),R[t+3]=St(B^_),v=Ae,E=Ue,S=li,_=Ot,t=t+4}return R.buffer}}class ws{constructor(e,t,i){this.subtle=void 0,this.key=void 0,this.aesMode=void 0,this.subtle=e,this.key=t,this.aesMode=i}expandKey(){const e=cs(this.aesMode);return this.subtle.importKey("raw",this.key,{name:e},!1,["encrypt","decrypt"])}}function cs(a){switch(a){case Ii.cbc:return"AES-CBC";case Ii.ctr:return"AES-CTR";default:throw new Error(`[FastAESKey] invalid aes mode ${a}`)}}const Is=16;class As{constructor(e,{removePKCS7Padding:t=!0}={}){if(this.logEnabled=!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.useSoftware=void 0,this.enableSoftwareAES=void 0,this.enableSoftwareAES=e.enableSoftwareAES,this.removePKCS7Padding=t,t)try{const i=self.crypto;i&&(this.subtle=i.subtle||i.webkitSubtle)}catch(i){}this.useSoftware=!this.subtle}destroy(){this.subtle=null,this.softwareDecrypter=null,this.key=null,this.fastAesKey=null,this.remainderData=null,this.currentIV=null,this.currentResult=null}isSync(){return this.useSoftware}flush(){const{currentResult:e,remainderData:t}=this;if(!e||t)return this.reset(),null;const i=new Uint8Array(e);return this.reset(),this.removePKCS7Padding?_i(i):i}reset(){this.currentResult=null,this.currentIV=null,this.remainderData=null,this.softwareDecrypter&&(this.softwareDecrypter=null)}decrypt(e,t,i,s){return this.useSoftware?new Promise((n,r)=>{const o=ArrayBuffer.isView(e)?e:new Uint8Array(e);this.softwareDecrypt(o,t,i,s);const u=this.flush();u?n(u.buffer):r(new Error("[softwareDecrypt] Failed to decrypt data"))}):this.webCryptoDecrypt(new Uint8Array(e),t,i,s)}softwareDecrypt(e,t,i,s){const{currentIV:n,currentResult:r,remainderData:o}=this;if(s!==Ii.cbc||t.byteLength!==16)return Y.warn("SoftwareDecrypt: can only handle AES-128-CBC"),null;this.logOnce("JS AES decrypt"),o&&(e=Dt(o,e),this.remainderData=null);const u=this.getValidChunk(e);if(!u.length)return null;n&&(i=n);let l=this.softwareDecrypter;l||(l=this.softwareDecrypter=new ms),l.expandKey(t);const d=r;return this.currentResult=l.decrypt(u.buffer,0,i),this.currentIV=u.slice(-16).buffer,d||null}webCryptoDecrypt(e,t,i,s){if(this.key!==t||!this.fastAesKey){if(!this.subtle)return Promise.resolve(this.onWebCryptoError(e,t,i,s));this.key=t,this.fastAesKey=new ws(this.subtle,t,s)}return this.fastAesKey.expandKey().then(n=>this.subtle?(this.logOnce("WebCrypto AES decrypt"),new us(this.subtle,new Uint8Array(i),s).decrypt(e.buffer,n)):Promise.reject(new Error("web crypto not initialized"))).catch(n=>(Y.warn(`[decrypter]: WebCrypto Error, disable WebCrypto API, ${n.name}: ${n.message}`),this.onWebCryptoError(e,t,i,s)))}onWebCryptoError(e,t,i,s){const n=this.enableSoftwareAES;if(n){this.useSoftware=!0,this.logEnabled=!0,this.softwareDecrypt(e,t,i,s);const r=this.flush();if(r)return r.buffer}throw new Error("WebCrypto"+(n?" and softwareDecrypt":"")+": failed to decrypt data")}getValidChunk(e){let t=e;const i=e.length-e.length%Is;return i!==e.length&&(t=e.slice(0,i),this.remainderData=e.slice(i)),t}logOnce(e){this.logEnabled&&(Y.log(`[decrypter]: ${e}`),this.logEnabled=!1)}}const Zi=Math.pow(2,17);class as{constructor(e){this.config=void 0,this.loader=null,this.partLoadTimeout=-1,this.config=e}destroy(){this.loader&&(this.loader.destroy(),this.loader=null)}abort(){this.loader&&this.loader.abort()}load(e,t){const i=e.url;if(!i)return Promise.reject(new fi({type:Z.NETWORK_ERROR,details:A.FRAG_LOAD_ERROR,fatal:!1,frag:e,error:new Error(`Fragment does not have a ${i?"part list":"url"}`),networkDetails:null}));this.abort();const s=this.config,n=s.fLoader,r=s.loader;return new Promise((o,u)=>{if(this.loader&&this.loader.destroy(),e.gap)if(e.tagList.some(E=>E[0]==="GAP")){u(bs(e));return}else e.gap=!1;const l=this.loader=n?new n(s):new r(s),d=gs(e);e.loader=l;const h=yi(s.fragLoadPolicy.default),m={loadPolicy:h,timeout:h.maxLoadTimeMs,maxRetry:0,retryDelay:0,maxRetryDelay:0,highWaterMark:e.sn==="initSegment"?1/0:Zi};e.stats=l.stats;const v={onSuccess:(E,S,_,x)=>{this.resetLoader(e,l);let R=E.data;_.resetIV&&e.decryptdata&&(e.decryptdata.iv=new Uint8Array(R.slice(0,16)),R=R.slice(16)),o({frag:e,part:null,payload:R,networkDetails:x})},onError:(E,S,_,x)=>{this.resetLoader(e,l),u(new fi({type:Z.NETWORK_ERROR,details:A.FRAG_LOAD_ERROR,fatal:!1,frag:e,response:j({url:i,data:void 0},E),error:new Error(`HTTP Error ${E.code} ${E.text}`),networkDetails:_,stats:x}))},onAbort:(E,S,_)=>{this.resetLoader(e,l),u(new fi({type:Z.NETWORK_ERROR,details:A.INTERNAL_ABORTED,fatal:!1,frag:e,error:new Error("Aborted"),networkDetails:_,stats:E}))},onTimeout:(E,S,_)=>{this.resetLoader(e,l),u(new fi({type:Z.NETWORK_ERROR,details:A.FRAG_LOAD_TIMEOUT,fatal:!1,frag:e,error:new Error(`Timeout after ${m.timeout}ms`),networkDetails:_,stats:E}))}};t&&(v.onProgress=(E,S,_,x)=>t({frag:e,part:null,payload:_,networkDetails:x})),l.load(d,m,v)})}loadPart(e,t,i){this.abort();const s=this.config,n=s.fLoader,r=s.loader;return new Promise((o,u)=>{if(this.loader&&this.loader.destroy(),e.gap||t.gap){u(bs(e,t));return}const l=this.loader=n?new n(s):new r(s),d=gs(e,t);e.loader=l;const h=yi(s.fragLoadPolicy.default),m={loadPolicy:h,timeout:h.maxLoadTimeMs,maxRetry:0,retryDelay:0,maxRetryDelay:0,highWaterMark:Zi};t.stats=l.stats,l.load(d,m,{onSuccess:(v,E,S,_)=>{this.resetLoader(e,l),this.updateStatsFromPart(e,t);const x={frag:e,part:t,payload:v.data,networkDetails:_};i(x),o(x)},onError:(v,E,S,_)=>{this.resetLoader(e,l),u(new fi({type:Z.NETWORK_ERROR,details:A.FRAG_LOAD_ERROR,fatal:!1,frag:e,part:t,response:j({url:d.url,data:void 0},v),error:new Error(`HTTP Error ${v.code} ${v.text}`),networkDetails:S,stats:_}))},onAbort:(v,E,S)=>{e.stats.aborted=t.stats.aborted,this.resetLoader(e,l),u(new fi({type:Z.NETWORK_ERROR,details:A.INTERNAL_ABORTED,fatal:!1,frag:e,part:t,error:new Error("Aborted"),networkDetails:S,stats:v}))},onTimeout:(v,E,S)=>{this.resetLoader(e,l),u(new fi({type:Z.NETWORK_ERROR,details:A.FRAG_LOAD_TIMEOUT,fatal:!1,frag:e,part:t,error:new Error(`Timeout after ${m.timeout}ms`),networkDetails:S,stats:v}))}})})}updateStatsFromPart(e,t){const i=e.stats,s=t.stats,n=s.total;if(i.loaded+=s.loaded,n){const u=Math.round(e.duration/t.duration),l=Math.min(Math.round(i.loaded/n),u),h=(u-l)*Math.round(i.loaded/l);i.total=i.loaded+h}else i.total=Math.max(i.loaded,i.total);const r=i.loading,o=s.loading;r.start?r.first+=o.first-o.start:(r.start=o.start,r.first=o.first),r.end=o.end}resetLoader(e,t){e.loader=null,this.loader===t&&(self.clearTimeout(this.partLoadTimeout),this.loader=null),t.destroy()}}function gs(a,e=null){const t=e||a,i={frag:a,part:e,responseType:"arraybuffer",url:t.url,headers:{},rangeStart:0,rangeEnd:0},s=t.byteRangeStartOffset,n=t.byteRangeEndOffset;if(b(s)&&b(n)){var r;let o=s,u=n;if(a.sn==="initSegment"&&Es((r=a.decryptdata)==null?void 0:r.method)){const l=n-s;l%16&&(u=n+(16-l%16)),s!==0&&(i.resetIV=!0,o=s-16)}i.rangeStart=o,i.rangeEnd=u}return i}function bs(a,e){const t=new Error(`GAP ${a.gap?"tag":"attribute"} found`),i={type:Z.MEDIA_ERROR,details:A.FRAG_GAP,fatal:!1,frag:a,error:t,networkDetails:null};return e&&(i.part=e),(e||a).stats.aborted=!0,new fi(i)}function Es(a){return a==="AES-128"||a==="AES-256"}class fi extends Error{constructor(e){super(e.error.message),this.data=void 0,this.data=e}}class ds extends Fe{constructor(e,t){super(e,t),this._boundTick=void 0,this._tickTimer=null,this._tickInterval=null,this._tickCallCount=0,this._boundTick=this.tick.bind(this)}destroy(){this.onHandlerDestroying(),this.onHandlerDestroyed()}onHandlerDestroying(){this.clearNextTick(),this.clearInterval()}onHandlerDestroyed(){}hasInterval(){return!!this._tickInterval}hasNextTick(){return!!this._tickTimer}setInterval(e){return this._tickInterval?!1:(this._tickCallCount=0,this._tickInterval=self.setInterval(this._boundTick,e),!0)}clearInterval(){return this._tickInterval?(self.clearInterval(this._tickInterval),this._tickInterval=null,!0):!1}clearNextTick(){return this._tickTimer?(self.clearTimeout(this._tickTimer),this._tickTimer=null,!0):!1}tick(){this._tickCallCount++,this._tickCallCount===1&&(this.doTick(),this._tickCallCount>1&&this.tickImmediate(),this._tickCallCount=0)}tickImmediate(){this.clearNextTick(),this._tickTimer=self.setTimeout(this._boundTick,0)}doTick(){}}class hs{constructor(e,t,i,s=0,n=-1,r=!1){this.level=void 0,this.sn=void 0,this.part=void 0,this.id=void 0,this.size=void 0,this.partial=void 0,this.transmuxing=ss(),this.buffering={audio:ss(),video:ss(),audiovideo:ss()},this.level=e,this.sn=t,this.id=i,this.size=s,this.part=n,this.partial=r}}function ss(){return{start:0,executeStart:0,executeEnd:0,end:0}}const ts={length:0,start:()=>0,end:()=>0};class bt{static isBuffered(e,t){if(e){const i=bt.getBuffered(e);for(let s=i.length;s--;)if(t>=i.start(s)&&t<=i.end(s))return!0}return!1}static bufferedRanges(e){if(e){const t=bt.getBuffered(e);return bt.timeRangesToArray(t)}return[]}static timeRangesToArray(e){const t=[];for(let i=0;i<e.length;i++)t.push({start:e.start(i),end:e.end(i)});return t}static bufferInfo(e,t,i){if(e){const s=bt.bufferedRanges(e);if(s.length)return bt.bufferedInfo(s,t,i)}return{len:0,start:t,end:t,bufferedIndex:-1}}static bufferedInfo(e,t,i){t=Math.max(0,t),e.length>1&&e.sort((d,h)=>d.start-h.start||h.end-d.end);let s=-1,n=[];if(i)for(let d=0;d<e.length;d++){t>=e[d].start&&t<=e[d].end&&(s=d);const h=n.length;if(h){const m=n[h-1].end;e[d].start-m<i?e[d].end>m&&(n[h-1].end=e[d].end):n.push(e[d])}else n.push(e[d])}else n=e;let r=0,o,u=t,l=t;for(let d=0;d<n.length;d++){const h=n[d].start,m=n[d].end;if(s===-1&&t>=h&&t<=m&&(s=d),t+i>=h&&t<m)u=h,l=m,r=l-t;else if(t+i<h){o=h;break}}return{len:r,start:u||0,end:l||0,nextStart:o,buffered:e,bufferedIndex:s}}static getBuffered(e){try{return e.buffered||ts}catch(t){return Y.log("failed to get media.buffered",t),ts}}}const ks=/\{\$([a-zA-Z0-9-_]+)\}/g;function ys(a){return ks.test(a)}function Gs(a,e){if(a.variableList!==null||a.hasVariableRefs){const t=a.variableList;return e.replace(ks,i=>{const s=i.substring(2,i.length-1),n=t==null?void 0:t[s];return n===void 0?(a.playlistParsingError||(a.playlistParsingError=new Error(`Missing preceding EXT-X-DEFINE tag for Variable Reference: "${s}"`)),i):n})}return e}function Ps(a,e,t){let i=a.variableList;i||(a.variableList=i={});let s,n;if("QUERYPARAM"in e){s=e.QUERYPARAM;try{const r=new self.URL(t).searchParams;if(r.has(s))n=r.get(s);else throw new Error(`"${s}" does not match any query parameter in URI: "${t}"`)}catch(r){a.playlistParsingError||(a.playlistParsingError=new Error(`EXT-X-DEFINE QUERYPARAM: ${r.message}`))}}else s=e.NAME,n=e.VALUE;s in i?a.playlistParsingError||(a.playlistParsingError=new Error(`EXT-X-DEFINE duplicate Variable Name declarations: "${s}"`)):i[s]=n||""}function qs(a,e,t){const i=e.IMPORT;if(t&&i in t){let s=a.variableList;s||(a.variableList=s={}),s[i]=t[i]}else a.playlistParsingError||(a.playlistParsingError=new Error(`EXT-X-DEFINE IMPORT attribute not found in Multivariant Playlist: "${i}"`))}const Os=/^(\d+)x(\d+)$/,Xs=/(.+?)=(".*?"|.*?)(?:,|$)/g;class Li{constructor(e,t){typeof e=="string"&&(e=Li.parseAttrList(e,t)),Le(this,e)}get clientAttrs(){return Object.keys(this).filter(e=>e.substring(0,2)==="X-")}decimalInteger(e){const t=parseInt(this[e],10);return t>Number.MAX_SAFE_INTEGER?1/0:t}hexadecimalInteger(e){if(this[e]){let t=(this[e]||"0x").slice(2);t=(t.length&1?"0":"")+t;const i=new Uint8Array(t.length/2);for(let s=0;s<t.length/2;s++)i[s]=parseInt(t.slice(s*2,s*2+2),16);return i}return null}hexadecimalIntegerAsNumber(e){const t=parseInt(this[e],16);return t>Number.MAX_SAFE_INTEGER?1/0:t}decimalFloatingPoint(e){return parseFloat(this[e])}optionalFloat(e,t){const i=this[e];return i?parseFloat(i):t}enumeratedString(e){return this[e]}enumeratedStringList(e,t){const i=this[e];return(i?i.split(/[ ,]+/):[]).reduce((s,n)=>(s[n.toLowerCase()]=!0,s),t)}bool(e){return this[e]==="YES"}decimalResolution(e){const t=Os.exec(this[e]);if(t!==null)return{width:parseInt(t[1],10),height:parseInt(t[2],10)}}static parseAttrList(e,t){let i;const s={},n='"';for(Xs.lastIndex=0;(i=Xs.exec(e))!==null;){const r=i[1].trim();let o=i[2];const u=o.indexOf(n)===0&&o.lastIndexOf(n)===o.length-1;let l=!1;if(u)o=o.slice(1,-1);else switch(r){case"IV":case"SCTE35-CMD":case"SCTE35-IN":case"SCTE35-OUT":l=!0}if(t&&(u||l))o=Gs(t,o);else if(!l&&!u)switch(r){case"CLOSED-CAPTIONS":if(o==="NONE")break;case"ALLOWED-CPC":case"CLASS":case"ASSOC-LANGUAGE":case"AUDIO":case"BYTERANGE":case"CHANNELS":case"CHARACTERISTICS":case"CODECS":case"DATA-ID":case"END-DATE":case"GROUP-ID":case"ID":case"IMPORT":case"INSTREAM-ID":case"KEYFORMAT":case"KEYFORMATVERSIONS":case"LANGUAGE":case"NAME":case"PATHWAY-ID":case"QUERYPARAM":case"RECENTLY-REMOVED-DATERANGES":case"SERVER-URI":case"STABLE-RENDITION-ID":case"STABLE-VARIANT-ID":case"START-DATE":case"SUBTITLES":case"SUPPLEMENTAL-CODECS":case"URI":case"VALUE":case"VIDEO":case"X-ASSET-LIST":case"X-ASSET-URI":Y.warn(`${e}: attribute ${r} is missing quotes`)}s[r]=o}return s}}const Vs="com.apple.hls.interstitial";function _s(a){return a!=="ID"&&a!=="CLASS"&&a!=="CUE"&&a!=="START-DATE"&&a!=="DURATION"&&a!=="END-DATE"&&a!=="END-ON-NEXT"}function an(a){return a==="SCTE35-OUT"||a==="SCTE35-IN"||a==="SCTE35-CMD"}class Qs{constructor(e,t,i=0){var s;if(this.attr=void 0,this.tagAnchor=void 0,this.tagOrder=void 0,this._startDate=void 0,this._endDate=void 0,this._dateAtEnd=void 0,this._cue=void 0,this._badValueForSameId=void 0,this.tagAnchor=(t==null?void 0:t.tagAnchor)||null,this.tagOrder=(s=t==null?void 0:t.tagOrder)!=null?s:i,t){const n=t.attr;for(const r in n)if(Object.prototype.hasOwnProperty.call(e,r)&&e[r]!==n[r]){Y.warn(`DATERANGE tag attribute: "${r}" does not match for tags with ID: "${e.ID}"`),this._badValueForSameId=r;break}e=Le(new Li({}),n,e)}if(this.attr=e,t?(this._startDate=t._startDate,this._cue=t._cue,this._endDate=t._endDate,this._dateAtEnd=t._dateAtEnd):this._startDate=new Date(e["START-DATE"]),"END-DATE"in this.attr){const n=(t==null?void 0:t.endDate)||new Date(this.attr["END-DATE"]);b(n.getTime())&&(this._endDate=n)}}get id(){return this.attr.ID}get class(){return this.attr.CLASS}get cue(){const e=this._cue;return e===void 0?this._cue=this.attr.enumeratedStringList(this.attr.CUE?"CUE":"X-CUE",{pre:!1,post:!1,once:!1}):e}get startTime(){const{tagAnchor:e}=this;return e===null||e.programDateTime===null?(Y.warn(`Expected tagAnchor Fragment with PDT set for DateRange "${this.id}": ${e}`),NaN):e.start+(this.startDate.getTime()-e.programDateTime)/1e3}get startDate(){return this._startDate}get endDate(){const e=this._endDate||this._dateAtEnd;if(e)return e;const t=this.duration;return t!==null?this._dateAtEnd=new Date(this._startDate.getTime()+t*1e3):null}get duration(){if("DURATION"in this.attr){const e=this.attr.decimalFloatingPoint("DURATION");if(b(e))return e}else if(this._endDate)return(this._endDate.getTime()-this._startDate.getTime())/1e3;return null}get plannedDuration(){return"PLANNED-DURATION"in this.attr?this.attr.decimalFloatingPoint("PLANNED-DURATION"):null}get endOnNext(){return this.attr.bool("END-ON-NEXT")}get isInterstitial(){return this.class===Vs}get isValid(){return!!this.id&&!this._badValueForSameId&&b(this.startDate.getTime())&&(this.duration===null||this.duration>=0)&&(!this.endOnNext||!!this.class)&&(!this.attr.CUE||!this.cue.pre&&!this.cue.post||this.cue.pre!==this.cue.post)&&(!this.isInterstitial||"X-ASSET-URI"in this.attr||"X-ASSET-LIST"in this.attr)}}const Ks=10;class Js{constructor(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.dateRanges=void 0,this.dateRangeTagCount=0,this.live=!0,this.requestScheduled=-1,this.ageHeader=0,this.advancedDateTime=void 0,this.updated=!0,this.advanced=!0,this.misses=0,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.encryptedFragments=void 0,this.playlistParsingError=null,this.variableList=null,this.hasVariableRefs=!1,this.appliedTimelineOffset=void 0,this.fragments=[],this.encryptedFragments=[],this.dateRanges={},this.url=e}reloaded(e){if(!e){this.advanced=!0,this.updated=!0;return}const t=this.lastPartSn-e.lastPartSn,i=this.lastPartIndex-e.lastPartIndex;this.updated=this.endSN!==e.endSN||!!i||!!t||!this.live,this.advanced=this.endSN>e.endSN||t>0||t===0&&i>0,this.updated||this.advanced?this.misses=Math.floor(e.misses*.6):this.misses=e.misses+1}get hasProgramDateTime(){return this.fragments.length?b(this.fragments[this.fragments.length-1].programDateTime):!1}get levelTargetDuration(){return this.averagetargetduration||this.targetduration||Ks}get drift(){const e=this.driftEndTime-this.driftStartTime;return e>0?(this.driftEnd-this.driftStart)*1e3/e:1}get edge(){return this.partEnd||this.fragmentEnd}get partEnd(){var e;return(e=this.partList)!=null&&e.length?this.partList[this.partList.length-1].end:this.fragmentEnd}get fragmentEnd(){var e;return(e=this.fragments)!=null&&e.length?this.fragments[this.fragments.length-1].end:0}get fragmentStart(){var e;return(e=this.fragments)!=null&&e.length?this.fragments[0].start:0}get age(){return this.advancedDateTime?Math.max(Date.now()-this.advancedDateTime,0)/1e3:0}get lastPartIndex(){var e;return(e=this.partList)!=null&&e.length?this.partList[this.partList.length-1].index:-1}get maxPartIndex(){const e=this.partList;if(e){const t=this.lastPartIndex;if(t!==-1){for(let i=e.length;i--;)if(e[i].index>t)return e[i].index;return t}}return 0}get lastPartSn(){var e;return(e=this.partList)!=null&&e.length?this.partList[this.partList.length-1].fragment.sn:this.endSN}get expired(){if(this.live&&this.age&&this.misses<3){const e=this.partEnd-this.fragmentStart;return this.age>Math.max(e,this.totalduration)+this.levelTargetDuration}return!1}}function Ss(a){return a==="AES-128"||a==="AES-256"||a==="AES-256-CTR"}function Ts(a){switch(a){case"AES-128":case"AES-256":return Ii.cbc;case"AES-256-CTR":return Ii.ctr;default:throw new Error(`invalid full segment method ${a}`)}}function Xi(a){return Uint8Array.from(atob(a),e=>e.charCodeAt(0))}function Ls(a){return Uint8Array.from(unescape(encodeURIComponent(a)),e=>e.charCodeAt(0))}function ns(a){const e=Ls(a).subarray(0,16),t=new Uint8Array(16);return t.set(e,16-e.length),t}function Fs(a){const e=function(i,s,n){const r=i[s];i[s]=i[n],i[n]=r};e(a,0,3),e(a,1,2),e(a,4,5),e(a,6,7)}function Bi(a){const e=a.split(":");let t=null;if(e[0]==="data"&&e.length===2){const i=e[1].split(";"),s=i[i.length-1].split(",");if(s.length===2){const n=s[0]==="base64",r=s[1];n?(i.splice(-1,1),t=Xi(r)):t=ns(r)}}return t}const Ni=typeof self!="undefined"?self:void 0;var jt={CLEARKEY:"org.w3.clearkey",FAIRPLAY:"com.apple.fps",PLAYREADY:"com.microsoft.playready",WIDEVINE:"com.widevine.alpha"},Qi={CLEARKEY:"org.w3.clearkey",FAIRPLAY:"com.apple.streamingkeydelivery",PLAYREADY:"com.microsoft.playready",WIDEVINE:"urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed"};function Hs(a){switch(a){case Qi.FAIRPLAY:return jt.FAIRPLAY;case Qi.PLAYREADY:return jt.PLAYREADY;case Qi.WIDEVINE:return jt.WIDEVINE;case Qi.CLEARKEY:return jt.CLEARKEY}}var en={CENC:"1077efecc0b24d02ace33c1e52e2fb4b",CLEARKEY:"e2719d58a985b3c9781ab030af78d30e",PLAYREADY:"9a04f07998404286ab92e65be0885f95",WIDEVINE:"edef8ba979d64acea3c827dcd51d21ed"};function on(a){if(a===en.WIDEVINE)return jt.WIDEVINE;if(a===en.PLAYREADY)return jt.PLAYREADY;if(a===en.CENC||a===en.CLEARKEY)return jt.CLEARKEY}function Ws(a){switch(a){case jt.FAIRPLAY:return Qi.FAIRPLAY;case jt.PLAYREADY:return Qi.PLAYREADY;case jt.WIDEVINE:return Qi.WIDEVINE;case jt.CLEARKEY:return Qi.CLEARKEY}}function Je(a){const{drmSystems:e,widevineLicenseUrl:t}=a,i=e?[jt.FAIRPLAY,jt.WIDEVINE,jt.PLAYREADY,jt.CLEARKEY].filter(s=>!!e[s]):[];return!i[jt.WIDEVINE]&&t&&i.push(jt.WIDEVINE),i}const Rt=function(a){return Ni!=null&&(a=Ni.navigator)!=null&&a.requestMediaKeySystemAccess?self.navigator.requestMediaKeySystemAccess.bind(self.navigator):null}();function Ri(a,e,t,i){let s;switch(a){case jt.FAIRPLAY:s=["cenc","sinf"];break;case jt.WIDEVINE:case jt.PLAYREADY:s=["cenc"];break;case jt.CLEARKEY:s=["cenc","keyids"];break;default:throw new Error(`Unknown key-system: ${a}`)}return Gi(s,e,t,i)}function Gi(a,e,t,i){return[{initDataTypes:a,persistentState:i.persistentState||"optional",distinctiveIdentifier:i.distinctiveIdentifier||"optional",sessionTypes:i.sessionTypes||[i.sessionType||"temporary"],audioCapabilities:e.map(n=>({contentType:`audio/mp4; codecs=${n}`,robustness:i.audioRobustness||"",encryptionScheme:i.audioEncryptionScheme||null})),videoCapabilities:t.map(n=>({contentType:`video/mp4; codecs=${n}`,robustness:i.videoRobustness||"",encryptionScheme:i.videoEncryptionScheme||null}))}]}function Fi(a){var e;return a.sessionType==="persistent-license"||!!((e=a.sessionTypes)!=null&&e.some(t=>t==="persistent-license"))}function ln(a){const e=new Uint16Array(a.buffer,a.byteOffset,a.byteLength/2),t=String.fromCharCode.apply(null,Array.from(e)),i=t.substring(t.indexOf("<"),t.length),r=new DOMParser().parseFromString(i,"text/xml").getElementsByTagName("KID")[0];if(r){const o=r.childNodes[0]?r.childNodes[0].nodeValue:r.getAttribute("VALUE");if(o){const u=Xi(o).subarray(0,16);return Fs(u),u}}return null}let js={};class ps{static clearKeyUriToKeyIdMap(){js={}}constructor(e,t,i,s=[1],n=null){this.uri=void 0,this.method=void 0,this.keyFormat=void 0,this.keyFormatVersions=void 0,this.encrypted=void 0,this.isCommonEncryption=void 0,this.iv=null,this.key=null,this.keyId=null,this.pssh=null,this.method=e,this.uri=t,this.keyFormat=i,this.keyFormatVersions=s,this.iv=n,this.encrypted=e?e!=="NONE":!1,this.isCommonEncryption=this.encrypted&&!Ss(e)}isSupported(){if(this.method){if(Ss(this.method)||this.method==="NONE")return!0;if(this.keyFormat==="identity")return this.method==="SAMPLE-AES";switch(this.keyFormat){case Qi.FAIRPLAY:case Qi.WIDEVINE:case Qi.PLAYREADY:case Qi.CLEARKEY:return["ISO-23001-7","SAMPLE-AES","SAMPLE-AES-CENC","SAMPLE-AES-CTR"].indexOf(this.method)!==-1}}return!1}getDecryptData(e){if(!this.encrypted||!this.uri)return null;if(Ss(this.method)&&this.uri&&!this.iv){typeof e!="number"&&(Y.warn(`missing IV for initialization segment with method="${this.method}" - compliance issue`),e=0);const i=hn(e);return new ps(this.method,this.uri,"identity",this.keyFormatVersions,i)}const t=Bi(this.uri);if(t)switch(this.keyFormat){case Qi.WIDEVINE:this.pssh=t,t.length>=22&&(this.keyId=t.subarray(t.length-22,t.length-6));break;case Qi.PLAYREADY:{const i=new Uint8Array([154,4,240,121,152,64,66,134,171,146,230,91,224,136,95,149]);this.pssh=Wi(i,null,t),this.keyId=ln(t);break}default:{let i=t.subarray(0,16);if(i.length!==16){const s=new Uint8Array(16);s.set(i,16-i.length),i=s}this.keyId=i;break}}if(!this.keyId||this.keyId.byteLength!==16){let i=js[this.uri];if(!i){const s=Object.keys(js).length%Number.MAX_SAFE_INTEGER;i=new Uint8Array(16),new DataView(i.buffer,12,4).setUint32(0,s),js[this.uri]=i}this.keyId=i}return this}}function hn(a){const e=new Uint8Array(16);for(let t=12;t<16;t++)e[t]=a>>8*(15-t)&255;return e}const or=/#EXT-X-STREAM-INF:([^\r\n]*)(?:[\r\n](?:#[^\r\n]*)?)*([^\r\n]+)|#EXT-X-(SESSION-DATA|SESSION-KEY|DEFINE|CONTENT-STEERING|START):([^\r\n]*)[\r\n]+/g,$n=/#EXT-X-MEDIA:(.*)/g,Fr=/^#EXT(?:INF|-X-TARGETDURATION):/m,Gn=new RegExp([/#EXTINF:\s*(\d*(?:\.\d+)?)(?:,(.*)\s+)?/.source,/(?!#) *(\S[^\r\n]*)/.source,/#.*/.source].join("|"),"g"),Mr=new RegExp([/#EXT-X-(PROGRAM-DATE-TIME|BYTERANGE|DATERANGE|DEFINE|KEY|MAP|PART|PART-INF|PLAYLIST-TYPE|PRELOAD-HINT|RENDITION-REPORT|SERVER-CONTROL|SKIP|START):(.+)/.source,/#EXT-X-(BITRATE|DISCONTINUITY-SEQUENCE|MEDIA-SEQUENCE|TARGETDURATION|VERSION): *(\d+)/.source,/#EXT-X-(DISCONTINUITY|ENDLIST|GAP|INDEPENDENT-SEGMENTS)/.source,/(#)([^:]*):(.*)/.source,/(#)(.*)(?:.*)\r?\n?/.source].join("|"));class Ms{static findGroup(e,t){for(let i=0;i<e.length;i++){const s=e[i];if(s.id===t)return s}}static resolve(e,t){return it.buildAbsoluteURL(t,e,{alwaysNormalize:!0})}static isMediaPlaylist(e){return Fr.test(e)}static parseMasterPlaylist(e,t){const i=ys(e),s={contentSteering:null,levels:[],playlistParsingError:null,sessionData:null,sessionKeys:null,startTimeOffset:null,variableList:null,hasVariableRefs:i},n=[];or.lastIndex=0;let r;for(;(r=or.exec(e))!=null;)if(r[1]){var o;const l=new Li(r[1],s),d=Gs(s,r[2]),h={attrs:l,bitrate:l.decimalInteger("BANDWIDTH")||l.decimalInteger("AVERAGE-BANDWIDTH"),name:l.NAME,url:Ms.resolve(d,t)},m=l.decimalResolution("RESOLUTION");m&&(h.width=m.width,h.height=m.height),Vn(l.CODECS,h);const v=l["SUPPLEMENTAL-CODECS"];v&&(h.supplemental={},Vn(v,h.supplemental)),(o=h.unknownCodecs)!=null&&o.length||n.push(h),s.levels.push(h)}else if(r[3]){const l=r[3],d=r[4];switch(l){case"SESSION-DATA":{const h=new Li(d,s),m=h["DATA-ID"];m&&(s.sessionData===null&&(s.sessionData={}),s.sessionData[m]=h);break}case"SESSION-KEY":{const h=Rn(d,t,s);h.encrypted&&h.isSupported()?(s.sessionKeys===null&&(s.sessionKeys=[]),s.sessionKeys.push(h)):Y.warn(`[Keys] Ignoring invalid EXT-X-SESSION-KEY tag: "${d}"`);break}case"DEFINE":{{const h=new Li(d,s);Ps(s,h,t)}break}case"CONTENT-STEERING":{const h=new Li(d,s);s.contentSteering={uri:Ms.resolve(h["SERVER-URI"],t),pathwayId:h["PATHWAY-ID"]||"."};break}case"START":{s.startTimeOffset=tn(d);break}}}const u=n.length>0&&n.length<s.levels.length;return s.levels=u?n:s.levels,s.levels.length===0&&(s.playlistParsingError=new Error("no levels found in manifest")),s}static parseMasterPlaylistMedia(e,t,i){let s;const n={},r=i.levels,o={AUDIO:r.map(l=>({id:l.attrs.AUDIO,audioCodec:l.audioCodec})),SUBTITLES:r.map(l=>({id:l.attrs.SUBTITLES,textCodec:l.textCodec})),"CLOSED-CAPTIONS":[]};let u=0;for($n.lastIndex=0;(s=$n.exec(e))!==null;){const l=new Li(s[1],i),d=l.TYPE;if(d){const h=o[d],m=n[d]||[];n[d]=m;const v=l.LANGUAGE,E=l["ASSOC-LANGUAGE"],S=l.CHANNELS,_=l.CHARACTERISTICS,x=l["INSTREAM-ID"],R={attrs:l,bitrate:0,id:u++,groupId:l["GROUP-ID"]||"",name:l.NAME||v||"",type:d,default:l.bool("DEFAULT"),autoselect:l.bool("AUTOSELECT"),forced:l.bool("FORCED"),lang:v,url:l.URI?Ms.resolve(l.URI,t):""};if(E&&(R.assocLang=E),S&&(R.channels=S),_&&(R.characteristics=_),x&&(R.instreamId=x),h!=null&&h.length){const L=Ms.findGroup(h,R.groupId)||h[0];Kn(R,L,"audioCodec"),Kn(R,L,"textCodec")}m.push(R)}}return n}static parseLevelPlaylist(e,t,i,s,n,r){var o;const u={url:t},l=new Js(t),d=l.fragments,h=[];let m=null,v=0,E=0,S=0,_=0,x=0,R=null,L=new Xe(s,u),B,N,te,U=-1,z=!1,le=null,V;if(Gn.lastIndex=0,l.m3u8=e,l.hasVariableRefs=ys(e),((o=Gn.exec(e))==null?void 0:o[0])!=="#EXTM3U")return l.playlistParsingError=new Error("Missing format identifier #EXTM3U"),l;for(;(B=Gn.exec(e))!==null;){z&&(z=!1,L=new Xe(s,u),L.playlistOffset=S,L.start=S,L.sn=v,L.cc=_,x&&(L.bitrate=x),L.level=i,m&&(L.initSegment=m,m.rawProgramDateTime&&(L.rawProgramDateTime=m.rawProgramDateTime,m.rawProgramDateTime=null),le&&(L.setByteRange(le),le=null)));const Ot=B[1];if(Ot){L.duration=parseFloat(Ot);const _t=(" "+B[2]).slice(1);L.title=_t||null,L.tagList.push(_t?["INF",Ot,_t]:["INF",Ot])}else if(B[3]){if(b(L.duration)){L.playlistOffset=S,L.start=S,te&&Hn(L,te,l),L.sn=v,L.level=i,L.cc=_,d.push(L);const _t=(" "+B[3]).slice(1);L.relurl=Gs(l,_t),In(L,R,h),R=L,S+=L.duration,v++,E=0,z=!0}}else{if(B=B[0].match(Mr),!B){Y.warn("No matches on slow regex match for level playlist!");continue}for(N=1;N<B.length&&B[N]===void 0;N++);const _t=(" "+B[N]).slice(1),rt=(" "+B[N+1]).slice(1),St=B[N+2]?(" "+B[N+2]).slice(1):null;switch(_t){case"BYTERANGE":R?L.setByteRange(rt,R):L.setByteRange(rt);break;case"PROGRAM-DATE-TIME":L.rawProgramDateTime=rt,L.tagList.push(["PROGRAM-DATE-TIME",rt]),U===-1&&(U=d.length);break;case"PLAYLIST-TYPE":l.type&&zs(l,_t,B),l.type=rt.toUpperCase();break;case"MEDIA-SEQUENCE":l.startSN!==0?zs(l,_t,B):d.length>0&&ur(l,_t,B),v=l.startSN=parseInt(rt);break;case"SKIP":{l.skippedSegments&&zs(l,_t,B);const pt=new Li(rt,l),be=pt.decimalInteger("SKIPPED-SEGMENTS");if(b(be)){l.skippedSegments+=be;for(let Ht=be;Ht--;)d.push(null);v+=be}const De=pt.enumeratedString("RECENTLY-REMOVED-DATERANGES");De&&(l.recentlyRemovedDateranges=(l.recentlyRemovedDateranges||[]).concat(De.split(" ")));break}case"TARGETDURATION":l.targetduration!==0&&zs(l,_t,B),l.targetduration=Math.max(parseInt(rt),1);break;case"VERSION":l.version!==null&&zs(l,_t,B),l.version=parseInt(rt);break;case"INDEPENDENT-SEGMENTS":break;case"ENDLIST":l.live||zs(l,_t,B),l.live=!1;break;case"#":(rt||St)&&L.tagList.push(St?[rt,St]:[rt]);break;case"DISCONTINUITY":_++,L.tagList.push(["DIS"]);break;case"GAP":L.gap=!0,L.tagList.push([_t]);break;case"BITRATE":L.tagList.push([_t,rt]),x=parseInt(rt)*1e3,b(x)?L.bitrate=x:x=0;break;case"DATERANGE":{const pt=new Li(rt,l),be=new Qs(pt,l.dateRanges[pt.ID],l.dateRangeTagCount);l.dateRangeTagCount++,be.isValid||l.skippedSegments?l.dateRanges[be.id]=be:Y.warn(`Ignoring invalid DATERANGE tag: "${rt}"`),L.tagList.push(["EXT-X-DATERANGE",rt]);break}case"DEFINE":{{const pt=new Li(rt,l);"IMPORT"in pt?qs(l,pt,r):Ps(l,pt,t)}break}case"DISCONTINUITY-SEQUENCE":l.startCC!==0?zs(l,_t,B):d.length>0&&ur(l,_t,B),l.startCC=_=parseInt(rt);break;case"KEY":{const pt=Rn(rt,t,l);if(pt.isSupported()){if(pt.method==="NONE"){te=void 0;break}te||(te={}),te[pt.keyFormat]&&(te=Le({},te)),te[pt.keyFormat]=pt}else Y.warn(`[Keys] Ignoring invalid EXT-X-KEY tag: "${rt}"`);break}case"START":l.startTimeOffset=tn(rt);break;case"MAP":{const pt=new Li(rt,l);if(L.duration){const be=new Xe(s,u);lr(be,pt,i,te),m=be,L.initSegment=m,m.rawProgramDateTime&&!L.rawProgramDateTime&&(L.rawProgramDateTime=m.rawProgramDateTime)}else{const be=L.byteRangeEndOffset;if(be){const De=L.byteRangeStartOffset;le=`${be-De}@${De}`}else le=null;lr(L,pt,i,te),m=L,z=!0}m.cc=_;break}case"SERVER-CONTROL":{V&&zs(l,_t,B),V=new Li(rt),l.canBlockReload=V.bool("CAN-BLOCK-RELOAD"),l.canSkipUntil=V.optionalFloat("CAN-SKIP-UNTIL",0),l.canSkipDateRanges=l.canSkipUntil>0&&V.bool("CAN-SKIP-DATERANGES"),l.partHoldBack=V.optionalFloat("PART-HOLD-BACK",0),l.holdBack=V.optionalFloat("HOLD-BACK",0);break}case"PART-INF":{l.partTarget&&zs(l,_t,B);const pt=new Li(rt);l.partTarget=pt.decimalFloatingPoint("PART-TARGET");break}case"PART":{let pt=l.partList;pt||(pt=l.partList=[]);const be=E>0?pt[pt.length-1]:void 0,De=E++,Ht=new Li(rt,l),Nt=new st(Ht,L,u,De,be);pt.push(Nt),L.duration+=Nt.duration;break}case"PRELOAD-HINT":{const pt=new Li(rt,l);l.preloadHint=pt;break}case"RENDITION-REPORT":{const pt=new Li(rt,l);l.renditionReports=l.renditionReports||[],l.renditionReports.push(pt);break}default:Y.warn(`line parsed but not handled: ${B}`);break}}}R&&!R.relurl?(d.pop(),S-=R.duration,l.partList&&(l.fragmentHint=R)):l.partList&&(In(L,R,h),L.cc=_,l.fragmentHint=L,te&&Hn(L,te,l)),l.targetduration||(l.playlistParsingError=new Error("#EXT-X-TARGETDURATION is required"));const Ae=d.length,Ue=d[0],li=d[Ae-1];if(S+=l.skippedSegments*l.targetduration,S>0&&Ae&&li){l.averagetargetduration=S/Ae;const Ot=li.sn;l.endSN=Ot!=="initSegment"?Ot:0,l.live||(li.endList=!0),Ue&&l.startCC===void 0&&(l.startCC=Ue.cc),U>0&&(Nr(d,U),Ue&&h.unshift(Ue))}else l.endSN=0,l.startCC=0;return l.fragmentHint&&(S+=l.fragmentHint.duration),l.totalduration=S,h.length&&l.dateRangeTagCount&&Ue&&En(h,l),l.endCC=_,l}}function En(a,e){const t=a.length,i=a[t-1],s=e.live?1/0:e.totalduration,n=Object.keys(e.dateRanges);for(let r=n.length;r--;){const o=e.dateRanges[n[r]],u=o.startDate.getTime();o.tagAnchor=i.ref;for(let l=t;l--;){const d=Br(e,u,a,l,s);if(d!==-1){o.tagAnchor=e.fragments[d].ref;break}}}}function Br(a,e,t,i,s){const n=t[i];if(n){const o=n.programDateTime;if(e>=o||i===0){var r;const u=(((r=t[i+1])==null?void 0:r.start)||s)-n.start;if(e<=o+u*1e3){const l=t[i].sn-a.startSN,d=a.fragments;if(d.length>t.length){const m=(t[i+1]||d[d.length-1]).sn-a.startSN;for(let v=m;v>l;v--){const E=d[v].programDateTime;if(e>=E&&e<E+d[v].duration*1e3)return v}}return l}}}return-1}function Rn(a,e,t){var i,s;const n=new Li(a,t),r=(i=n.METHOD)!=null?i:"",o=n.URI,u=n.hexadecimalInteger("IV"),l=n.KEYFORMATVERSIONS,d=(s=n.KEYFORMAT)!=null?s:"identity";o&&n.IV&&!u&&Y.error(`Invalid IV: ${n.IV}`);const h=o?Ms.resolve(o,e):"",m=(l||"1").split("/").map(Number).filter(Number.isFinite);return new ps(r,h,d,m,u)}function tn(a){const t=new Li(a).decimalFloatingPoint("TIME-OFFSET");return b(t)?t:null}function Vn(a,e){let t=(a||"").split(/[ ,]+/).filter(i=>i);["video","audio","text"].forEach(i=>{const s=t.filter(n=>qi(n,i));s.length&&(e[`${i}Codec`]=s.map(n=>n.split("/")[0]).join(","),t=t.filter(n=>s.indexOf(n)===-1))}),e.unknownCodecs=t}function Kn(a,e,t){const i=e[t];i&&(a[t]=i)}function Nr(a,e){let t=a[e];for(let i=e;i--;){const s=a[i];if(!s)return;s.programDateTime=t.programDateTime-s.duration*1e3,t=s}}function In(a,e,t){a.rawProgramDateTime?t.push(a):e!=null&&e.programDateTime&&(a.programDateTime=e.endProgramDateTime)}function lr(a,e,t,i){a.relurl=e.URI,e.BYTERANGE&&a.setByteRange(e.BYTERANGE),a.level=t,a.sn="initSegment",i&&(a.levelkeys=i),a.initSegment=null}function Hn(a,e,t){a.levelkeys=e;const{encryptedFragments:i}=t;(!i.length||i[i.length-1].levelkeys!==e)&&Object.keys(e).some(s=>e[s].isCommonEncryption)&&i.push(a)}function zs(a,e,t){a.playlistParsingError=new Error(`#EXT-X-${e} must not appear more than once (${t[0]})`)}function ur(a,e,t){a.playlistParsingError=new Error(`#EXT-X-${e} must appear before the first Media Segment (${t[0]})`)}function Wn(a,e){const t=e.startPTS;if(b(t)){let i=0,s;e.sn>a.sn?(i=t-a.start,s=a):(i=a.start-t,s=e),s.duration!==i&&s.setDuration(i)}else e.sn>a.sn?a.cc===e.cc&&a.minEndPTS?e.setStart(a.start+(a.minEndPTS-a.start)):e.setStart(a.start+a.duration):e.setStart(Math.max(a.start-e.duration,0))}function cr(a,e,t,i,s,n){i-t<=0&&(Y.warn("Fragment should have a positive duration",e),i=t+e.duration,n=s+e.duration);let o=t,u=i;const l=e.startPTS,d=e.endPTS;if(b(l)){const _=Math.abs(l-t);b(e.deltaPTS)?e.deltaPTS=Math.max(_,e.deltaPTS):e.deltaPTS=_,o=Math.max(t,l),t=Math.min(t,l),s=Math.min(s,e.startDTS),u=Math.min(i,d),i=Math.max(i,d),n=Math.max(n,e.endDTS)}const h=t-e.start;e.start!==0&&e.setStart(t),e.setDuration(i-e.start),e.startPTS=t,e.maxStartPTS=o,e.startDTS=s,e.endPTS=i,e.minEndPTS=u,e.endDTS=n;const m=e.sn;if(!a||m<a.startSN||m>a.endSN)return 0;let v;const E=m-a.startSN,S=a.fragments;for(S[E]=e,v=E;v>0;v--)Wn(S[v],S[v-1]);for(v=E;v<S.length-1;v++)Wn(S[v],S[v+1]);return a.fragmentHint&&Wn(S[S.length-1],a.fragmentHint),a.PTSKnown=a.alignedSliding=!0,h}function dr(a,e){if(a===e)return;let t=null;const i=a.fragments;for(let u=i.length-1;u>=0;u--){const l=i[u].initSegment;if(l){t=l;break}}a.fragmentHint&&delete a.fragmentHint.endPTS;let s;Ur(a,e,(u,l,d,h)=>{if(!e.startCC&&l.cc!==u.cc){var m,v;const E=u.cc-l.cc;for(let S=d;S<h.length;S++)h[S].cc+=E;e.startCC=(m=(v=mr(a,e.startSN-1))==null?void 0:v.cc)!=null?m:h[0].cc,e.endCC=h[h.length-1].cc}b(u.startPTS)&&b(u.endPTS)&&(l.setStart(l.startPTS=u.startPTS),l.startDTS=u.startDTS,l.maxStartPTS=u.maxStartPTS,l.endPTS=u.endPTS,l.endDTS=u.endDTS,l.minEndPTS=u.minEndPTS,l.setDuration(u.endPTS-u.startPTS),l.duration&&(s=l),e.PTSKnown=e.alignedSliding=!0),u.hasStreams&&(l.elementaryStreams=u.elementaryStreams),l.loader=u.loader,u.hasStats&&(l.stats=u.stats),u.initSegment&&(l.initSegment=u.initSegment,t=u.initSegment)});const n=e.fragments,r=e.fragmentHint?n.concat(e.fragmentHint):n;if(t&&r.forEach(u=>{var l;u&&(!u.initSegment||u.initSegment.relurl===((l=t)==null?void 0:l.relurl))&&(u.initSegment=t)}),e.skippedSegments)if(e.deltaUpdateFailed=n.some(u=>!u),e.deltaUpdateFailed){Y.warn("[level-helper] Previous playlist missing segments skipped in delta playlist");for(let u=e.skippedSegments;u--;)n.shift();e.startSN=n[0].sn}else{e.endCC=n[n.length-1].cc,e.canSkipDateRanges&&(e.dateRanges=yn(a.dateRanges,e));const u=a.fragments.filter(l=>l.rawProgramDateTime);if(a.hasProgramDateTime&&!e.hasProgramDateTime)for(let l=1;l<r.length;l++)r[l].programDateTime===null&&In(r[l],r[l-1],u);En(u,e)}jn(a.partList,e.partList,(u,l)=>{l.elementaryStreams=u.elementaryStreams,l.stats=u.stats}),s?cr(e,s,s.startPTS,s.endPTS,s.startDTS,s.endDTS):fr(a,e),n.length&&(e.totalduration=e.edge-n[0].start),e.driftStartTime=a.driftStartTime,e.driftStart=a.driftStart;const o=e.advancedDateTime;if(e.advanced&&o){const u=e.edge;e.driftStart||(e.driftStartTime=o,e.driftStart=u),e.driftEndTime=o,e.driftEnd=u}else e.driftEndTime=a.driftEndTime,e.driftEnd=a.driftEnd,e.advancedDateTime=a.advancedDateTime;e.requestScheduled===-1&&(e.requestScheduled=a.requestScheduled)}function yn(a,e){const{dateRanges:t,recentlyRemovedDateranges:i}=e,s=Le({},a);i&&i.forEach(o=>{delete s[o]});const r=Object.keys(s).length;return r&&Object.keys(t).forEach(o=>{const u=s[o],l=new Qs(t[o].attr,u);l.isValid?(s[o]=l,u||(l.tagOrder+=r)):Y.warn(`Ignoring invalid Playlist Delta Update DATERANGE tag: "${Et(t[o].attr)}"`)}),s}function jn(a,e,t){if(a&&e){let i=0;for(let s=0,n=a.length;s<=n;s++){const r=a[s],o=e[s+i];r&&o&&r.index===o.index&&r.fragment.sn===o.fragment.sn?t(r,o):i--}}}function Ur(a,e,t){const i=e.skippedSegments,s=Math.max(a.startSN,e.startSN)-e.startSN,n=(a.fragmentHint?1:0)+(i?e.endSN:Math.min(a.endSN,e.endSN))-e.startSN,r=e.startSN-a.startSN,o=e.fragmentHint?e.fragments.concat(e.fragmentHint):e.fragments,u=a.fragmentHint?a.fragments.concat(a.fragmentHint):a.fragments;for(let l=s;l<=n;l++){const d=u[r+l];let h=o[l];if(i&&!h&&d&&(h=e.fragments[l]=d),d&&h){if(t(d,h,l,o),d.url&&d.url!==h.url){e.playlistParsingError=hr(`media sequence mismatch ${h.sn}:`,a,e,d,h);return}else if(d.cc!==h.cc){e.playlistParsingError=hr(`discontinuity sequence mismatch (${d.cc}!=${h.cc})`,a,e,d,h);return}}}}function hr(a,e,t,i,s){return new Error(`${a} ${s.url}
|
|
Playlist starting @${e.startSN}
|
|
${e.m3u8}
|
|
|
|
Playlist starting @${t.startSN}
|
|
${t.m3u8}`)}function fr(a,e,t=!0){const i=e.startSN+e.skippedSegments-a.startSN,s=a.fragments,n=i>=0;let r=0;if(n&&i<s.length)r=s[i].start;else if(n&&e.startSN===a.endSN+1)r=a.fragmentEnd;else if(n&&t)r=a.fragmentStart+i*e.levelTargetDuration;else if(!e.skippedSegments&&e.fragmentStart===0)r=a.fragmentStart;else return;Cn(e,r)}function Cn(a,e){if(e){const t=a.fragments;for(let i=a.skippedSegments;i<t.length;i++)t[i].addStart(e);a.fragmentHint&&a.fragmentHint.addStart(e)}}function _n(a,e=1/0){let t=1e3*a.targetduration;if(a.updated){const i=a.fragments;if(i.length&&t*4>e){const n=i[i.length-1].duration*1e3;n<t&&(t=n)}}else t/=2;return Math.round(t)}function mr(a,e,t){if(!a)return null;let i=a.fragments[e-a.startSN];return i||(i=a.fragmentHint,i&&i.sn===e)?i:e<a.startSN&&t&&t.sn===e?t:null}function gr(a,e,t){return a?pr(a.partList,e,t):null}function pr(a,e,t){if(a)for(let i=a.length;i--;){const s=a[i];if(s.index===t&&s.fragment.sn===e)return s}return null}function zn(a){a.forEach((e,t)=>{var i;(i=e.details)==null||i.fragments.forEach(s=>{s.level=t,s.initSegment&&(s.initSegment.level=t)})})}function Sn(a,e){for(let i=0,s=a.length;i<s;i++){var t;if(((t=a[i])==null?void 0:t.cc)===e)return a[i]}return null}function $r(a,e){return!!(a&&e.startCC<a.endCC&&e.endCC>a.startCC)}function vr(a,e){if(a){const t=a.start+e;a.start=a.startPTS=t,a.endPTS=t+a.duration}}function Er(a,e){const t=e.fragments;for(let i=0,s=t.length;i<s;i++)vr(t[i],a);e.fragmentHint&&vr(e.fragmentHint,a),e.alignedSliding=!0}function Gr(a,e){a&&(Vi(e,a),!e.alignedSliding&&a&&Si(e,a),!e.alignedSliding&&a&&!e.skippedSegments&&fr(a,e,!1))}function Vi(a,e){if(!$r(e,a))return;const t=Math.min(e.endCC,a.endCC),i=Sn(e.fragments,t),s=Sn(a.fragments,t);if(!i||!s)return;Y.log(`Aligning playlist at start of dicontinuity sequence ${t}`);const n=i.start-s.start;Er(n,a)}function Si(a,e){if(!a.hasProgramDateTime||!e.hasProgramDateTime)return;const t=a.fragments,i=e.fragments;if(!t.length||!i.length)return;let s,n;const r=Math.min(e.endCC,a.endCC);e.startCC<r&&a.startCC<r&&(s=Sn(i,r),n=Sn(t,r)),(!s||!n)&&(s=i[Math.floor(i.length/2)],n=Sn(t,s.cc)||t[Math.floor(t.length/2)]);const o=s.programDateTime,u=n.programDateTime;if(!o||!u)return;const l=(u-o)/1e3-(n.start-s.start);Er(l,a)}const Ui={toString:function(a){let e="";const t=a.length;for(let i=0;i<t;i++)e+=`[${a.start(i).toFixed(3)}-${a.end(i).toFixed(3)}]`;return e}},re={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",ENDED:"ENDED",ERROR:"ERROR",WAITING_INIT_PTS:"WAITING_INIT_PTS",WAITING_LEVEL:"WAITING_LEVEL"};class vs extends ds{constructor(e,t,i,s,n){super(s,e.logger),this.hls=void 0,this.fragPrevious=null,this.fragCurrent=null,this.fragmentTracker=void 0,this.transmuxer=null,this._state=re.STOPPED,this.playlistType=void 0,this.media=null,this.mediaBuffer=null,this.config=void 0,this.bitrateTest=!1,this.lastCurrentTime=0,this.nextLoadPosition=0,this.startPosition=0,this.startTimeOffset=null,this.retryDate=0,this.levels=null,this.fragmentLoader=void 0,this.keyLoader=void 0,this.levelLastLoaded=null,this.startFragRequested=!1,this.decrypter=void 0,this.initPTS=[],this.buffering=!0,this.loadingParts=!1,this.loopSn=void 0,this.onMediaSeeking=()=>{const{config:r,fragCurrent:o,media:u,mediaBuffer:l,state:d}=this,h=u?u.currentTime:0,m=bt.bufferInfo(l||u,h,r.maxBufferHole);if(this.log(`media seeking to ${b(h)?h.toFixed(3):h}, state: ${d}`),this.state===re.ENDED)this.resetLoadingState();else if(o){const v=r.maxFragLookUpTolerance,E=o.start-v,S=o.start+o.duration+v;if(!m.len||S<m.start||E>m.end){const _=h>S;(h<E||_)&&(_&&o.loader&&(this.log("seeking outside of buffer while fragment load in progress, cancel fragment load"),o.abortRequests(),this.resetLoadingState()),this.fragPrevious=null)}}if(u){this.fragmentTracker.removeFragmentsInRange(h,1/0,this.playlistType,!0);const v=this.lastCurrentTime;if(h>v&&(this.lastCurrentTime=h),!this.loadingParts){const E=Math.max(m.end,h),S=this.shouldLoadParts(this.getLevelDetails(),E);S&&(this.log(`LL-Part loading ON after seeking to ${h.toFixed(2)} with buffer @${E.toFixed(2)}`),this.loadingParts=S)}}!this.hls.hasEnoughToStart&&!m.len&&(this.log(`setting startPosition to ${h} because of seek before start`),this.nextLoadPosition=this.startPosition=h),this.tickImmediate()},this.onMediaEnded=()=>{this.log("setting startPosition to 0 because media ended"),this.startPosition=this.lastCurrentTime=0},this.playlistType=n,this.hls=e,this.fragmentLoader=new as(e.config),this.keyLoader=i,this.fragmentTracker=t,this.config=e.config,this.decrypter=new As(e.config)}registerListeners(){const{hls:e}=this;e.on(g.MEDIA_ATTACHED,this.onMediaAttached,this),e.on(g.MEDIA_DETACHING,this.onMediaDetaching,this),e.on(g.MANIFEST_LOADING,this.onManifestLoading,this),e.on(g.MANIFEST_LOADED,this.onManifestLoaded,this),e.on(g.ERROR,this.onError,this)}unregisterListeners(){const{hls:e}=this;e.off(g.MEDIA_ATTACHED,this.onMediaAttached,this),e.off(g.MEDIA_DETACHING,this.onMediaDetaching,this),e.off(g.MANIFEST_LOADING,this.onManifestLoading,this),e.off(g.MANIFEST_LOADED,this.onManifestLoaded,this),e.off(g.ERROR,this.onError,this)}doTick(){this.onTickEnd()}onTickEnd(){}startLoad(e){}stopLoad(){if(this.state===re.STOPPED)return;this.fragmentLoader.abort(),this.keyLoader.abort(this.playlistType);const e=this.fragCurrent;e!=null&&e.loader&&(e.abortRequests(),this.fragmentTracker.removeFragment(e)),this.resetTransmuxer(),this.fragCurrent=null,this.fragPrevious=null,this.clearInterval(),this.clearNextTick(),this.state=re.STOPPED}get startPositionValue(){const{nextLoadPosition:e,startPosition:t}=this;return t===-1&&e?e:t}get bufferingEnabled(){return this.buffering}pauseBuffering(){this.buffering=!1}resumeBuffering(){this.buffering=!0}get inFlightFrag(){return{frag:this.fragCurrent,state:this.state}}_streamEnded(e,t){if(t.live||!this.media)return!1;const i=e.end||0,s=this.config.timelineOffset||0;if(i<=s)return!1;const n=e.nextStart;if(n&&n>s&&n<t.edge||this.media.currentTime<e.start)return!1;const o=t.partList;if(o!=null&&o.length){const l=o[o.length-1];return bt.isBuffered(this.media,l.start+l.duration/2)}const u=t.fragments[t.fragments.length-1].type;return this.fragmentTracker.isEndListAppended(u)}getLevelDetails(){if(this.levels&&this.levelLastLoaded!==null){var e;return(e=this.levelLastLoaded)==null?void 0:e.details}}get timelineOffset(){const e=this.config.timelineOffset;if(e){var t;return((t=this.getLevelDetails())==null?void 0:t.appliedTimelineOffset)||e}return 0}onMediaAttached(e,t){const i=this.media=this.mediaBuffer=t.media;i.removeEventListener("seeking",this.onMediaSeeking),i.removeEventListener("ended",this.onMediaEnded),i.addEventListener("seeking",this.onMediaSeeking),i.addEventListener("ended",this.onMediaEnded);const s=this.config;this.levels&&s.autoStartLoad&&this.state===re.STOPPED&&this.startLoad(s.startPosition)}onMediaDetaching(e,t){const i=!!t.transferMedia,s=this.media;if(s!==null){if(s.ended&&(this.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0),s.removeEventListener("seeking",this.onMediaSeeking),s.removeEventListener("ended",this.onMediaEnded),this.keyLoader&&!i&&this.keyLoader.detach(),this.media=this.mediaBuffer=null,this.loopSn=void 0,i){this.resetLoadingState(),this.resetTransmuxer();return}this.loadingParts=!1,this.fragmentTracker.removeAllFragments(),this.stopLoad()}}onManifestLoading(){this.initPTS=[],this.levels=this.levelLastLoaded=this.fragCurrent=null,this.lastCurrentTime=this.startPosition=0,this.startFragRequested=!1}onError(e,t){}onManifestLoaded(e,t){this.startTimeOffset=t.startTimeOffset}onHandlerDestroying(){this.stopLoad(),this.transmuxer&&(this.transmuxer.destroy(),this.transmuxer=null),super.onHandlerDestroying(),this.hls=this.onMediaSeeking=this.onMediaEnded=null}onHandlerDestroyed(){this.state=re.STOPPED,this.fragmentLoader&&this.fragmentLoader.destroy(),this.keyLoader&&this.keyLoader.destroy(),this.decrypter&&this.decrypter.destroy(),this.hls=this.log=this.warn=this.decrypter=this.keyLoader=this.fragmentLoader=this.fragmentTracker=null,super.onHandlerDestroyed()}loadFragment(e,t,i){this.startFragRequested=!0,this._loadFragForPlayback(e,t,i)}_loadFragForPlayback(e,t,i){const s=n=>{const r=n.frag;if(this.fragContextChanged(r)){this.warn(`${r.type} sn: ${r.sn}${n.part?" part: "+n.part.index:""} of ${this.fragInfo(r,!1,n.part)}) was dropped during download.`),this.fragmentTracker.removeFragment(r);return}r.stats.chunkCount++,this._handleFragmentLoadProgress(n)};this._doFragLoad(e,t,i,s).then(n=>{if(!n)return;const r=this.state,o=n.frag;if(this.fragContextChanged(o)){(r===re.FRAG_LOADING||!this.fragCurrent&&r===re.PARSING)&&(this.fragmentTracker.removeFragment(o),this.state=re.IDLE);return}"payload"in n&&(this.log(`Loaded ${o.type} sn: ${o.sn} of ${this.playlistLabel()} ${o.level}`),this.hls.trigger(g.FRAG_LOADED,n)),this._handleFragmentLoadComplete(n)}).catch(n=>{this.state===re.STOPPED||this.state===re.ERROR||(this.warn(`Frag error: ${(n==null?void 0:n.message)||n}`),this.resetFragmentLoading(e))})}clearTrackerIfNeeded(e){var t;const{fragmentTracker:i}=this;if(i.getState(e)===Qt.APPENDING){const n=e.type,r=this.getFwdBufferInfo(this.mediaBuffer,n),o=Math.max(e.duration,r?r.len:this.config.maxBufferLength),u=this.backtrackFragment;((u?e.sn-u.sn:0)===1||this.reduceMaxBufferLength(o,e.duration))&&i.removeFragment(e)}else((t=this.mediaBuffer)==null?void 0:t.buffered.length)===0?i.removeAllFragments():i.hasParts(e.type)&&(i.detectPartialFragments({frag:e,part:null,stats:e.stats,id:e.type}),i.getState(e)===Qt.PARTIAL&&i.removeFragment(e))}checkLiveUpdate(e){if(e.updated&&!e.live){const t=e.fragments[e.fragments.length-1];this.fragmentTracker.detectPartialFragments({frag:t,part:null,stats:t.stats,id:t.type})}e.fragments[0]||(e.deltaUpdateFailed=!0)}waitForLive(e){const t=e.details;return(t==null?void 0:t.live)&&t.type!=="EVENT"&&(this.levelLastLoaded!==e||t.expired)}flushMainBuffer(e,t,i=null){if(!(e-t))return;const s={startOffset:e,endOffset:t,type:i};this.hls.trigger(g.BUFFER_FLUSHING,s)}_loadInitSegment(e,t){this._doFragLoad(e,t).then(i=>{const s=i==null?void 0:i.frag;if(!s||this.fragContextChanged(s)||!this.levels)throw new Error("init load aborted");return i}).then(i=>{const{hls:s}=this,{frag:n,payload:r}=i,o=n.decryptdata;if(r&&r.byteLength>0&&o!=null&&o.key&&o.iv&&Ss(o.method)){const u=self.performance.now();return this.decrypter.decrypt(new Uint8Array(r),o.key.buffer,o.iv.buffer,Ts(o.method)).catch(l=>{throw s.trigger(g.ERROR,{type:Z.MEDIA_ERROR,details:A.FRAG_DECRYPT_ERROR,fatal:!1,error:l,reason:l.message,frag:n}),l}).then(l=>{const d=self.performance.now();return s.trigger(g.FRAG_DECRYPTED,{frag:n,payload:l,stats:{tstart:u,tdecrypt:d}}),i.payload=l,this.completeInitSegmentLoad(i)})}return this.completeInitSegmentLoad(i)}).catch(i=>{this.state===re.STOPPED||this.state===re.ERROR||(this.warn(i),this.resetFragmentLoading(e))})}completeInitSegmentLoad(e){const{levels:t}=this;if(!t)throw new Error("init load aborted, missing levels");const i=e.frag.stats;this.state!==re.STOPPED&&(this.state=re.IDLE),e.frag.data=new Uint8Array(e.payload),i.parsing.start=i.buffering.start=self.performance.now(),i.parsing.end=i.buffering.end=self.performance.now(),this.tick()}fragContextChanged(e){const{fragCurrent:t}=this;return!e||!t||e.sn!==t.sn||e.level!==t.level}fragBufferedComplete(e,t){const i=this.mediaBuffer?this.mediaBuffer:this.media;if(this.log(`Buffered ${e.type} sn: ${e.sn}${t?" part: "+t.index:""} of ${this.fragInfo(e,!1,t)} > buffer:${i?Ui.toString(bt.getBuffered(i)):"(detached)"})`),We(e)){var s;if(e.type!==oe.SUBTITLE){const r=e.elementaryStreams;if(!Object.keys(r).some(o=>!!r[o])){this.state=re.IDLE;return}}const n=(s=this.levels)==null?void 0:s[e.level];n!=null&&n.fragmentError&&(this.log(`Resetting level fragment error count of ${n.fragmentError} on frag buffered`),n.fragmentError=0)}this.state=re.IDLE}_handleFragmentLoadComplete(e){const{transmuxer:t}=this;if(!t)return;const{frag:i,part:s,partsLoaded:n}=e,r=!n||n.length===0||n.some(u=>!u),o=new hs(i.level,i.sn,i.stats.chunkCount+1,0,s?s.index:-1,!r);t.flush(o)}_handleFragmentLoadProgress(e){}_doFragLoad(e,t,i=null,s){var n;this.fragCurrent=e;const r=t==null?void 0:t.details;if(!this.levels||!r)throw new Error(`frag load aborted, missing level${r?"":" detail"}s`);let o=null;e.encrypted&&!((n=e.decryptdata)!=null&&n.key)?(this.log(`Loading key for ${e.sn} of [${r.startSN}-${r.endSN}], ${this.playlistLabel()} ${e.level}`),this.state=re.KEY_LOADING,this.fragCurrent=e,o=this.keyLoader.load(e).then(h=>{if(!this.fragContextChanged(h.frag))return this.hls.trigger(g.KEY_LOADED,h),this.state===re.KEY_LOADING&&(this.state=re.IDLE),h}),this.hls.trigger(g.KEY_LOADING,{frag:e}),this.fragCurrent===null&&(o=Promise.reject(new Error("frag load aborted, context changed in KEY_LOADING")))):!e.encrypted&&r.encryptedFragments.length&&this.keyLoader.loadClear(e,r.encryptedFragments);const u=this.fragPrevious;if(We(e)&&(!u||e.sn!==u.sn)){const h=this.shouldLoadParts(t.details,e.end);h!==this.loadingParts&&(this.log(`LL-Part loading ${h?"ON":"OFF"} loading sn ${u==null?void 0:u.sn}->${e.sn}`),this.loadingParts=h)}if(i=Math.max(e.start,i||0),this.loadingParts&&We(e)){const h=r.partList;if(h&&s){i>e.end&&r.fragmentHint&&(e=r.fragmentHint);const m=this.getNextPart(h,e,i);if(m>-1){const v=h[m];e=this.fragCurrent=v.fragment,this.log(`Loading ${e.type} sn: ${e.sn} part: ${v.index} (${m}/${h.length-1}) of ${this.fragInfo(e,!1,v)}) cc: ${e.cc} [${r.startSN}-${r.endSN}], target: ${parseFloat(i.toFixed(3))}`),this.nextLoadPosition=v.start+v.duration,this.state=re.FRAG_LOADING;let E;return o?E=o.then(S=>!S||this.fragContextChanged(S.frag)?null:this.doFragPartsLoad(e,v,t,s)).catch(S=>this.handleFragLoadError(S)):E=this.doFragPartsLoad(e,v,t,s).catch(S=>this.handleFragLoadError(S)),this.hls.trigger(g.FRAG_LOADING,{frag:e,part:v,targetBufferTime:i}),this.fragCurrent===null?Promise.reject(new Error("frag load aborted, context changed in FRAG_LOADING parts")):E}else if(!e.url||this.loadedEndOfParts(h,i))return Promise.resolve(null)}}if(We(e)&&this.loadingParts)this.log(`LL-Part loading OFF after next part miss @${i.toFixed(2)}`),this.loadingParts=!1;else if(!e.url)return Promise.resolve(null);this.log(`Loading ${e.type} sn: ${e.sn} of ${this.fragInfo(e,!1)}) cc: ${e.cc} ${r?"["+r.startSN+"-"+r.endSN+"]":""}, target: ${parseFloat(i.toFixed(3))}`),b(e.sn)&&!this.bitrateTest&&(this.nextLoadPosition=e.start+e.duration),this.state=re.FRAG_LOADING;const l=this.config.progressive;let d;return l&&o?d=o.then(h=>!h||this.fragContextChanged(h==null?void 0:h.frag)?null:this.fragmentLoader.load(e,s)).catch(h=>this.handleFragLoadError(h)):d=Promise.all([this.fragmentLoader.load(e,l?s:void 0),o]).then(([h])=>(!l&&h&&s&&s(h),h)).catch(h=>this.handleFragLoadError(h)),this.hls.trigger(g.FRAG_LOADING,{frag:e,targetBufferTime:i}),this.fragCurrent===null?Promise.reject(new Error("frag load aborted, context changed in FRAG_LOADING")):d}doFragPartsLoad(e,t,i,s){return new Promise((n,r)=>{var o;const u=[],l=(o=i.details)==null?void 0:o.partList,d=h=>{this.fragmentLoader.loadPart(e,h,s).then(m=>{u[h.index]=m;const v=m.part;this.hls.trigger(g.FRAG_LOADED,m);const E=gr(i.details,e.sn,h.index+1)||pr(l,e.sn,h.index+1);if(E)d(E);else return n({frag:e,part:v,partsLoaded:u})}).catch(r)};d(t)})}handleFragLoadError(e){if("data"in e){const t=e.data;e.data&&t.details===A.INTERNAL_ABORTED?this.handleFragLoadAborted(t.frag,t.part):this.hls.trigger(g.ERROR,t)}else this.hls.trigger(g.ERROR,{type:Z.OTHER_ERROR,details:A.INTERNAL_EXCEPTION,err:e,error:e,fatal:!0});return null}_handleTransmuxerFlush(e){const t=this.getCurrentContext(e);if(!t||this.state!==re.PARSING){!this.fragCurrent&&this.state!==re.STOPPED&&this.state!==re.ERROR&&(this.state=re.IDLE);return}const{frag:i,part:s,level:n}=t,r=self.performance.now();i.stats.parsing.end=r,s&&(s.stats.parsing.end=r);const o=this.getLevelDetails(),l=o&&i.sn>o.endSN||this.shouldLoadParts(o,i.end);l!==this.loadingParts&&(this.log(`LL-Part loading ${l?"ON":"OFF"} after parsing segment ending @${i.end.toFixed(2)}`),this.loadingParts=l),this.updateLevelTiming(i,s,n,e.partial)}shouldLoadParts(e,t){if(this.config.lowLatencyMode){if(!e)return this.loadingParts;if(e!=null&&e.partList){var i;const n=e.partList[0],r=n.end+(((i=e.fragmentHint)==null?void 0:i.duration)||0);if(t>=r){var s;if((this.hls.hasEnoughToStart?((s=this.media)==null?void 0:s.currentTime)||this.lastCurrentTime:this.getLoadPosition())>n.start-n.fragment.duration)return!0}}}return!1}getCurrentContext(e){const{levels:t,fragCurrent:i}=this,{level:s,sn:n,part:r}=e;if(!(t!=null&&t[s]))return this.warn(`Levels object was unset while buffering fragment ${n} of ${this.playlistLabel()} ${s}. The current chunk will not be buffered.`),null;const o=t[s],u=o.details,l=r>-1?gr(u,n,r):null,d=l?l.fragment:mr(u,n,i);return d?(i&&i!==d&&(d.stats=i.stats),{frag:d,part:l,level:o}):null}bufferFragmentData(e,t,i,s,n){var r;if(!e||this.state!==re.PARSING)return;const{data1:o,data2:u}=e;let l=o;if(o&&u&&(l=Dt(o,u)),!((r=l)!=null&&r.length))return;const d={type:e.type,frag:t,part:i,chunkMeta:s,parent:t.type,data:l};if(this.hls.trigger(g.BUFFER_APPENDING,d),e.dropped&&e.independent&&!i){if(n)return;this.flushBufferGap(t)}}flushBufferGap(e){const t=this.media;if(!t)return;if(!bt.isBuffered(t,t.currentTime)){this.flushMainBuffer(0,e.start);return}const i=t.currentTime,s=bt.bufferInfo(t,i,0),n=e.duration,r=Math.min(this.config.maxFragLookUpTolerance*2,n*.25),o=Math.max(Math.min(e.start-r,s.end-r),i+r);e.start-o>r&&this.flushMainBuffer(o,e.start)}getFwdBufferInfo(e,t){var i;const s=this.getLoadPosition();if(!b(s))return null;const r=this.lastCurrentTime>s||(i=this.media)!=null&&i.paused?0:this.config.maxBufferHole;return this.getFwdBufferInfoAtPos(e,s,t,r)}getFwdBufferInfoAtPos(e,t,i,s){const n=bt.bufferInfo(e,t,s);if(n.len===0&&n.nextStart!==void 0){const r=this.fragmentTracker.getBufferedFrag(t,i);if(r&&(n.nextStart<=r.end||r.gap)){const o=Math.max(Math.min(n.nextStart,r.end)-t,s);return bt.bufferInfo(e,t,o)}}return n}getMaxBufferLength(e){const{config:t}=this;let i;return e?i=Math.max(8*t.maxBufferSize/e,t.maxBufferLength):i=t.maxBufferLength,Math.min(i,t.maxMaxBufferLength)}reduceMaxBufferLength(e,t){const i=this.config,s=Math.max(Math.min(e-t,i.maxBufferLength),t),n=Math.max(e-t*3,i.maxMaxBufferLength/2,s);return n>=s?(i.maxMaxBufferLength=n,this.warn(`Reduce max buffer length to ${n}s`),!0):!1}getAppendedFrag(e,t=oe.MAIN){var i;const s=(i=this.fragmentTracker)==null?void 0:i.getAppendedFrag(e,t);return s&&"fragment"in s?s.fragment:s}getNextFragment(e,t){const i=t.fragments,s=i.length;if(!s)return null;const{config:n}=this,r=i[0].start,o=n.lowLatencyMode&&!!t.partList;let u=null;if(t.live){const h=n.initialLiveManifestSize;if(s<h)return this.warn(`Not enough fragments to start playback (have: ${s}, need: ${h})`),null;if(!t.PTSKnown&&!this.startFragRequested&&this.startPosition===-1||e<r){var l;o&&!this.loadingParts&&(this.log("LL-Part loading ON for initial live fragment"),this.loadingParts=!0),u=this.getInitialLiveFragment(t,i);const m=this.hls.startPosition,v=this.hls.liveSyncPosition,E=u?(m!==-1&&m>=r?m:v)||u.start:e;this.log(`Setting startPosition to ${E} to match start frag at live edge. mainStart: ${m} liveSyncPosition: ${v} frag.start: ${(l=u)==null?void 0:l.start}`),this.startPosition=this.nextLoadPosition=E}}else e<=r&&(u=i[0]);if(!u){const h=this.loadingParts?t.partEnd:t.fragmentEnd;u=this.getFragmentAtPosition(e,h,t)}let d=this.filterReplacedPrimary(u,t);if(!d&&u){const h=u.sn-t.startSN;d=this.filterReplacedPrimary(i[h+1]||null,t)}return this.mapToInitFragWhenRequired(d)}isLoopLoading(e,t){const i=this.fragmentTracker.getState(e);return(i===Qt.OK||i===Qt.PARTIAL&&!!e.gap)&&this.nextLoadPosition>t}getNextFragmentLoopLoading(e,t,i,s,n){let r=null;if(e.gap&&(r=this.getNextFragment(this.nextLoadPosition,t),r&&!r.gap&&i.nextStart)){const o=this.getFwdBufferInfoAtPos(this.mediaBuffer?this.mediaBuffer:this.media,i.nextStart,s,0);if(o!==null&&i.len+o.len>=n){const u=r.sn;return this.loopSn!==u&&(this.log(`buffer full after gaps in "${s}" playlist starting at sn: ${u}`),this.loopSn=u),null}}return this.loopSn=void 0,r}get primaryPrefetch(){if(Tn(this.hls.config)){var e,t;if((e=this.hls.interstitialsManager)==null||(t=e.playingItem)==null?void 0:t.event)return!0}return!1}filterReplacedPrimary(e,t){if(!e)return e;if(Tn(this.hls.config)&&e.type!==oe.SUBTITLE){const i=this.hls.interstitialsManager,s=i==null?void 0:i.bufferingItem;if(s){const r=s.event;if(r){if(r.appendInPlace||Math.abs(e.start-s.start)>1||s.start===0)return null}else if(e.end<=s.start&&(t==null?void 0:t.live)===!1||e.start>s.end&&s.nextEvent&&(s.nextEvent.appendInPlace||e.start-s.end>1))return null}const n=i==null?void 0:i.playerQueue;if(n)for(let r=n.length;r--;){const o=n[r].interstitial;if(o.appendInPlace&&e.start>=o.startTime&&e.end<=o.resumeTime)return null}}return e}mapToInitFragWhenRequired(e){return e!=null&&e.initSegment&&!(e!=null&&e.initSegment.data)&&!this.bitrateTest?e.initSegment:e}getNextPart(e,t,i){let s=-1,n=!1,r=!0;for(let o=0,u=e.length;o<u;o++){const l=e[o];if(r=r&&!l.independent,s>-1&&i<l.start)break;const d=l.loaded;d?s=-1:(n||l.independent||r)&&l.fragment===t&&(s=o),n=d}return s}loadedEndOfParts(e,t){const i=e[e.length-1];return i&&t>i.start&&i.loaded}getInitialLiveFragment(e,t){const i=this.fragPrevious;let s=null;if(i){if(e.hasProgramDateTime&&(this.log(`Live playlist, switching playlist, load frag with same PDT: ${i.programDateTime}`),s=gt(t,i.endProgramDateTime,this.config.maxFragLookUpTolerance)),!s){const n=i.sn+1;if(n>=e.startSN&&n<=e.endSN){const r=t[n-e.startSN];i.cc===r.cc&&(s=r,this.log(`Live playlist, switching playlist, load frag with next SN: ${s.sn}`))}s||(s=Tt(t,i.cc),s&&this.log(`Live playlist, switching playlist, load frag with same CC: ${s.sn}`))}}else{const n=this.hls.liveSyncPosition;n!==null&&(s=this.getFragmentAtPosition(n,this.bitrateTest?e.fragmentEnd:e.edge,e))}return s}getFragmentAtPosition(e,t,i){const{config:s}=this;let{fragPrevious:n}=this,{fragments:r,endSN:o}=i;const{fragmentHint:u}=i,{maxFragLookUpTolerance:l}=s,d=i.partList,h=!!(this.loadingParts&&d!=null&&d.length&&u);h&&u&&!this.bitrateTest&&d[d.length-1].fragment.sn===u.sn&&(r=r.concat(u),o=u.sn);let m;if(e<t){var v;const S=e<this.lastCurrentTime||e>t-l||(v=this.media)!=null&&v.paused||!this.startFragRequested?0:l;m=Bt(n,r,e,S)}else m=r[r.length-1];if(m){const E=m.sn-i.startSN,S=this.fragmentTracker.getState(m);if((S===Qt.OK||S===Qt.PARTIAL&&m.gap)&&(n=m),n&&m.sn===n.sn&&(!h||d[0].fragment.sn>m.sn||!i.live&&!h)&&n&&m.level===n.level){const x=r[E+1];m.sn<o&&this.fragmentTracker.getState(x)!==Qt.OK?m=x:m=null}}return m}alignPlaylists(e,t,i){const s=e.fragments.length;if(!s)return this.warn("No fragments in live playlist"),0;const n=e.fragmentStart,r=!t,o=e.alignedSliding&&b(n);if(r||!o&&!n){Gr(i,e);const u=e.fragmentStart;return this.log(`Live playlist sliding: ${u.toFixed(2)} start-sn: ${t?t.startSN:"na"}->${e.startSN} fragments: ${s}`),u}return n}waitForCdnTuneIn(e){return e.live&&e.canBlockReload&&e.partTarget&&e.tuneInGoal>Math.max(e.partHoldBack,e.partTarget*3)}setStartPosition(e,t){let i=this.startPosition;i<t&&(i=-1);const s=this.timelineOffset;if(i===-1){const n=this.startTimeOffset!==null,r=n?this.startTimeOffset:e.startTimeOffset;r!==null&&b(r)?(i=t+r,r<0&&(i+=e.edge),i=Math.min(Math.max(t,i),t+e.totalduration),this.log(`Setting startPosition to ${i} for start time offset ${r} found in ${n?"multivariant":"media"} playlist`),this.startPosition=i):e.live?(i=this.hls.liveSyncPosition||t,this.log(`Setting startPosition to -1 to start at live edge ${i}`),this.startPosition=-1):(this.log("setting startPosition to 0 by default"),this.startPosition=i=0),this.lastCurrentTime=i+s}this.nextLoadPosition=i+s}getLoadPosition(){var e;const{media:t}=this;let i=0;return(e=this.hls)!=null&&e.hasEnoughToStart&&t?i=t.currentTime:this.nextLoadPosition>=0&&(i=this.nextLoadPosition),i}handleFragLoadAborted(e,t){this.transmuxer&&e.type===this.playlistType&&We(e)&&e.stats.aborted&&(this.warn(`Fragment ${e.sn}${t?" part "+t.index:""} of ${this.playlistLabel()} ${e.level} was aborted`),this.resetFragmentLoading(e))}resetFragmentLoading(e){(!this.fragCurrent||!this.fragContextChanged(e)&&this.state!==re.FRAG_LOADING_WAITING_RETRY)&&(this.state=re.IDLE)}onFragmentOrKeyLoadError(e,t){if(t.chunkMeta&&!t.frag){const E=this.getCurrentContext(t.chunkMeta);E&&(t.frag=E.frag)}const i=t.frag;if(!i||i.type!==e||!this.levels)return;if(this.fragContextChanged(i)){var s;this.warn(`Frag load error must match current frag to retry ${i.url} > ${(s=this.fragCurrent)==null?void 0:s.url}`);return}const n=t.details===A.FRAG_GAP;n&&this.fragmentTracker.fragBuffered(i,!0);const r=t.errorAction,{action:o,flags:u,retryCount:l=0,retryConfig:d}=r||{},h=!!r&&!!d,m=h&&o===di.RetryRequest,v=h&&!r.resolved&&u===ri.MoveAllAlternatesMatchingHost;if(!m&&v&&We(i)&&!i.endList)this.resetFragmentErrors(e),this.treatAsGap(i),r.resolved=!0;else if((m||v)&&l<d.maxNumRetry){this.resetStartWhenNotLoaded(this.levelLastLoaded);const E=$t(d,l);this.warn(`Fragment ${i.sn} of ${e} ${i.level} errored with ${t.details}, retrying loading ${l+1}/${d.maxNumRetry} in ${E}ms`),r.resolved=!0,this.retryDate=self.performance.now()+E,this.state=re.FRAG_LOADING_WAITING_RETRY}else if(d&&r)if(this.resetFragmentErrors(e),l<d.maxNumRetry)!n&&o!==di.RemoveAlternatePermanently&&(r.resolved=!0);else{this.warn(`${t.details} reached or exceeded max retry (${l})`);return}else o===di.SendAlternateToPenaltyBox?this.state=re.WAITING_LEVEL:this.state=re.ERROR;this.tickImmediate()}reduceLengthAndFlushBuffer(e){if(this.state===re.PARSING||this.state===re.PARSED){const t=e.frag,i=e.parent,s=this.getFwdBufferInfo(this.mediaBuffer,i),n=s&&s.len>.5;n&&this.reduceMaxBufferLength(s.len,(t==null?void 0:t.duration)||10);const r=!n;return r&&this.warn(`Buffer full error while media.currentTime is not buffered, flush ${i} buffer`),t&&(this.fragmentTracker.removeFragment(t),this.nextLoadPosition=t.start),this.resetLoadingState(),r}return!1}resetFragmentErrors(e){e===oe.AUDIO&&(this.fragCurrent=null),this.hls.hasEnoughToStart||(this.startFragRequested=!1),this.state!==re.STOPPED&&(this.state=re.IDLE)}afterBufferFlushed(e,t,i){if(!e)return;const s=bt.getBuffered(e);this.fragmentTracker.detectEvictedFragments(t,s,i),this.state===re.ENDED&&this.resetLoadingState()}resetLoadingState(){this.log("Reset loading state"),this.fragCurrent=null,this.fragPrevious=null,this.state!==re.STOPPED&&(this.state=re.IDLE)}resetStartWhenNotLoaded(e){if(!this.hls.hasEnoughToStart){this.startFragRequested=!1;const t=e?e.details:null;t!=null&&t.live?(this.log("resetting startPosition for live start"),this.startPosition=-1,this.setStartPosition(t,t.fragmentStart),this.resetLoadingState()):this.nextLoadPosition=this.startPosition}}resetWhenMissingContext(e){this.warn(`The loading context changed while buffering fragment ${e.sn} of ${this.playlistLabel()} ${e.level}. This chunk will not be buffered.`),this.removeUnbufferedFrags(),this.resetStartWhenNotLoaded(this.levelLastLoaded),this.resetLoadingState()}removeUnbufferedFrags(e=0){this.fragmentTracker.removeFragmentsInRange(e,1/0,this.playlistType,!1,!0)}updateLevelTiming(e,t,i,s){const n=i.details;if(!n){this.warn("level.details undefined");return}if(!Object.keys(e.elementaryStreams).reduce((u,l)=>{const d=e.elementaryStreams[l];if(d){const h=d.endPTS-d.startPTS;if(h<=0)return this.warn(`Could not parse fragment ${e.sn} ${l} duration reliably (${h})`),u||!1;const m=s?0:cr(n,e,d.startPTS,d.endPTS,d.startDTS,d.endDTS);return this.hls.trigger(g.LEVEL_PTS_UPDATED,{details:n,level:i,drift:m,type:l,frag:e,start:d.startPTS,end:d.endPTS}),!0}return u},!1)){var o;if(i.fragmentError===0&&this.treatAsGap(e,i),((o=this.transmuxer)==null?void 0:o.error)===null){const u=new Error(`Found no media in fragment ${e.sn} of ${this.playlistLabel()} ${e.level} resetting transmuxer to fallback to playlist timing`);if(this.warn(u.message),this.hls.trigger(g.ERROR,{type:Z.MEDIA_ERROR,details:A.FRAG_PARSING_ERROR,fatal:!1,error:u,frag:e,reason:`Found no media in msn ${e.sn} of ${this.playlistLabel()} "${i.url}"`}),!this.hls)return;this.resetTransmuxer()}}this.state=re.PARSED,this.log(`Parsed ${e.type} sn: ${e.sn}${t?" part: "+t.index:""} of ${this.fragInfo(e,!1,t)})`),this.hls.trigger(g.FRAG_PARSED,{frag:e,part:t})}playlistLabel(){return this.playlistType===oe.MAIN?"level":"track"}fragInfo(e,t=!0,i){var s,n;return`${this.playlistLabel()} ${e.level} (${i?"part":"frag"}:[${((s=t&&!i?e.startPTS:(i||e).start)!=null?s:NaN).toFixed(3)}-${((n=t&&!i?e.endPTS:(i||e).end)!=null?n:NaN).toFixed(3)}]${i&&e.type==="main"?"INDEPENDENT="+(i.independent?"YES":"NO"):""}`}treatAsGap(e,t){t&&t.fragmentError++,e.gap=!0,this.fragmentTracker.removeFragment(e),this.fragmentTracker.fragBuffered(e,!0)}resetTransmuxer(){var e;(e=this.transmuxer)==null||e.reset()}recoverWorkerError(e){e.event==="demuxerWorker"&&(this.fragmentTracker.removeAllFragments(),this.transmuxer&&(this.transmuxer.destroy(),this.transmuxer=null),this.resetStartWhenNotLoaded(this.levelLastLoaded),this.resetLoadingState())}set state(e){const t=this._state;t!==e&&(this._state=e,this.log(`${t}->${e}`))}get state(){return this._state}}function Tn(a){return!!a.interstitialsController&&a.enableInterstitialPlayback!==!1}class Dn{constructor(){this.chunks=[],this.dataLength=0}push(e){this.chunks.push(e),this.dataLength+=e.length}flush(){const{chunks:e,dataLength:t}=this;let i;if(e.length)e.length===1?i=e[0]:i=Vr(e,t);else return new Uint8Array(0);return this.reset(),i}reset(){this.chunks.length=0,this.dataLength=0}}function Vr(a,e){const t=new Uint8Array(e);let i=0;for(let s=0;s<a.length;s++){const n=a[s];t.set(n,i),i+=n.length}return t}var wn={exports:{}},Yn;function xn(){return Yn||(Yn=1,function(a){var 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t=(a[e]&127)<<21,t|=(a[e+1]&127)<<14,t|=(a[e+2]&127)<<7,t|=a[e+3]&127,t}function Qn(a,e){const t=e;let i=0;for(;Kr(a,e);){i+=10;const s=yr(a,e+6);i+=s,ba(a,e+10)&&(i+=10),e+=i}if(i>0)return a.subarray(t,t+i)}function tl(a,e,t,i){const s=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350],n=e[t+2],r=n>>2&15;if(r>12){const v=new Error(`invalid ADTS sampling index:${r}`);a.emit(g.ERROR,g.ERROR,{type:Z.MEDIA_ERROR,details:A.FRAG_PARSING_ERROR,fatal:!0,error:v,reason:v.message});return}const o=(n>>6&3)+1,u=e[t+3]>>6&3|(n&1)<<2,l="mp4a.40."+o,d=s[r];let h=r;(o===5||o===29)&&(h-=3);const m=[o<<3|(h&14)>>1,(h&1)<<7|u<<3];return Y.log(`manifest codec:${i}, parsed codec:${l}, channels:${u}, rate:${d} (ADTS object type:${o} sampling index:${r})`),{config:m,samplerate:d,channelCount:u,codec:l,parsedCodec:l,manifestCodec:i}}function La(a,e){return a[e]===255&&(a[e+1]&246)===240}function Ra(a,e){return a[e+1]&1?7:9}function 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Uint8Array(l),u.set(e.subarray(t,e.length),0),{sample:{unit:u,pts:r},length:l,missing:-1}}function al(a,e){return Kr(a,e)&&yr(a,e+6)+10<=a.length-e}function ol(a){if(a.size<2)return;const e=xt(a.data,!0),t=new Uint8Array(a.data.subarray(e.length+1));return{key:a.type,info:e,data:t.buffer}}function ll(a){if(a.size<2)return;if(a.type==="TXXX"){let t=1;const i=xt(a.data.subarray(t),!0);t+=i.length+1;const s=xt(a.data.subarray(t));return{key:a.type,info:i,data:s}}const e=xt(a.data.subarray(1));return{key:a.type,info:"",data:e}}function ul(a){if(a.type==="WXXX"){if(a.size<2)return;let t=1;const i=xt(a.data.subarray(t),!0);t+=i.length+1;const s=xt(a.data.subarray(t));return{key:a.type,info:i,data:s}}const e=xt(a.data);return{key:a.type,info:"",data:e}}function cl(a){return btoa(String.fromCharCode(...a))}function wa(a,e){if(a<0)return-wa(-a,e);const t=Math.pow(10,e);if(Math.abs(a*t%1-.5)<Number.EPSILON){const s=Math.floor(a*t);return(s%2===0?s:s+1)/t}else return Math.round(a*t)/t}function dl(a,e){const t=new URL(a),i=new URL(e);if(t.origin!==i.origin)return a;const s=t.pathname.split("/").slice(1),n=i.pathname.split("/").slice(1,-1);for(;s[0]===n[0];)s.shift(),n.shift();for(;n.length;)n.shift(),s.unshift("..");return s.join("/")}function hl(){try{return crypto.randomUUID()}catch(a){try{const e=URL.createObjectURL(new Blob),t=e.toString();return URL.revokeObjectURL(e),t.slice(t.lastIndexOf("/")+1)}catch(e){let t=new Date().getTime();return"xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g,s=>{const n=(t+Math.random()*16)%16|0;return t=Math.floor(t/16),(s=="x"?n:n&3|8).toString(16)})}}}function fl(a){return a instanceof ArrayBuffer?a:a.byteOffset==0&&a.byteLength==a.buffer.byteLength?a.buffer:new Uint8Array(a).buffer}function Wr(a,e=0,t=1/0){return ml(a,e,t,Uint8Array)}function ml(a,e,t,i){const s=gl(a);let n=1;"BYTES_PER_ELEMENT"in i&&(n=i.BYTES_PER_ELEMENT);const r=pl(a)?a.byteOffset:0,o=(r+a.byteLength)/n,u=(r+e)/n,l=Math.floor(Math.max(0,Math.min(u,o))),d=Math.floor(Math.min(l+Math.max(t,0),o));return new i(s,l,d-l)}function gl(a){return a instanceof ArrayBuffer?a:a.buffer}function pl(a){return a&&a.buffer instanceof ArrayBuffer&&a.byteLength!==void 0&&a.byteOffset!==void 0}function vl(a){const e={key:a.type,description:"",data:"",mimeType:null,pictureType:null},t=3;if(a.size<2)return;if(a.data[0]!==t){console.log("Ignore frame with unrecognized character encoding");return}const i=a.data.subarray(1).indexOf(0);if(i===-1)return;const s=xt(Wr(a.data,1,i)),n=a.data[2+i],r=a.data.subarray(3+i).indexOf(0);if(r===-1)return;const o=xt(Wr(a.data,3+i,r));let u;return s==="-->"?u=xt(Wr(a.data,4+i+r)):u=fl(a.data.subarray(4+i+r)),e.mimeType=s,e.pictureType=n,e.description=o,e.data=u,e}function El(a){return a.type==="PRIV"?ol(a):a.type[0]==="W"?ul(a):a.type==="APIC"?vl(a):ll(a)}function yl(a){const e=String.fromCharCode(a[0],a[1],a[2],a[3]),t=yr(a,4),i=10;return{type:e,size:t,data:a.subarray(i,i+t)}}const Sr=10,_l=10;function ka(a){let e=0;const t=[];for(;Kr(a,e);){const i=yr(a,e+6);a[e+5]>>6&1&&(e+=Sr),e+=Sr;const s=e+i;for(;e+_l<s;){const n=yl(a.subarray(e)),r=El(n);r&&t.push(r),e+=n.size+Sr}ba(a,e)&&(e+=Sr)}return t}function Pa(a){return a&&a.key==="PRIV"&&a.info==="com.apple.streaming.transportStreamTimestamp"}function Sl(a){if(a.data.byteLength===8){const e=new Uint8Array(a.data),t=e[3]&1;let i=(e[4]<<23)+(e[5]<<15)+(e[6]<<7)+e[7];return i/=45,t&&(i+=4772185884e-2),Math.round(i)}}function jr(a){const e=ka(a);for(let t=0;t<e.length;t++){const i=e[t];if(Pa(i))return Sl(i)}}let Bs=function(a){return a.audioId3="org.id3",a.dateRange="com.apple.quicktime.HLS",a.emsg="https://aomedia.org/emsg/ID3",a.misbklv="urn:misb:KLV:bin:1910.1",a}({});function sn(a="",e=9e4){return{type:a,id:-1,pid:-1,inputTimeScale:e,sequenceNumber:-1,samples:[],dropped:0}}class zr{constructor(){this._audioTrack=void 0,this._id3Track=void 0,this.frameIndex=0,this.cachedData=null,this.basePTS=null,this.initPTS=null,this.lastPTS=null}resetInitSegment(e,t,i,s){this._id3Track={type:"id3",id:3,pid:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],dropped:0}}resetTimeStamp(e){this.initPTS=e,this.resetContiguity()}resetContiguity(){this.basePTS=null,this.lastPTS=null,this.frameIndex=0}canParse(e,t){return!1}appendFrame(e,t,i){}demux(e,t){this.cachedData&&(e=Dt(this.cachedData,e),this.cachedData=null);let i=Qn(e,0),s=i?i.length:0,n;const r=this._audioTrack,o=this._id3Track,u=i?jr(i):void 0,l=e.length;for((this.basePTS===null||this.frameIndex===0&&b(u))&&(this.basePTS=Tl(u,t,this.initPTS),this.lastPTS=this.basePTS),this.lastPTS===null&&(this.lastPTS=this.basePTS),i&&i.length>0&&o.samples.push({pts:this.lastPTS,dts:this.lastPTS,data:i,type:Bs.audioId3,duration:Number.POSITIVE_INFINITY});s<l;){if(this.canParse(e,s)){const d=this.appendFrame(r,e,s);d?(this.frameIndex++,this.lastPTS=d.sample.pts,s+=d.length,n=s):s=l}else al(e,s)?(i=Qn(e,s),o.samples.push({pts:this.lastPTS,dts:this.lastPTS,data:i,type:Bs.audioId3,duration:Number.POSITIVE_INFINITY}),s+=i.length,n=s):s++;if(s===l&&n!==l){const d=e.slice(n);this.cachedData?this.cachedData=Dt(this.cachedData,d):this.cachedData=d}}return{audioTrack:r,videoTrack:sn(),id3Track:o,textTrack:sn()}}demuxSampleAes(e,t,i){return Promise.reject(new Error(`[${this}] This demuxer does not support Sample-AES decryption`))}flush(e){const t=this.cachedData;return t&&(this.cachedData=null,this.demux(t,0)),{audioTrack:this._audioTrack,videoTrack:sn(),id3Track:this._id3Track,textTrack:sn()}}destroy(){this.cachedData=null,this._audioTrack=this._id3Track=void 0}}const Tl=(a,e,t)=>{if(b(a))return a*90;const i=t?t.baseTime*9e4/t.timescale:0;return e*9e4+i};let Tr=null;const xl=[32,64,96,128,160,192,224,256,288,320,352,384,416,448,32,48,56,64,80,96,112,128,160,192,224,256,320,384,32,40,48,56,64,80,96,112,128,160,192,224,256,320,32,48,56,64,80,96,112,128,144,160,176,192,224,256,8,16,24,32,40,48,56,64,80,96,112,128,144,160],Al=[44100,48e3,32e3,22050,24e3,16e3,11025,12e3,8e3],bl=[[0,72,144,12],[0,0,0,0],[0,72,144,12],[0,144,144,12]],Ll=[0,1,1,4];function Oa(a,e,t,i,s){if(t+24>e.length)return;const n=Fa(e,t);if(n&&t+n.frameLength<=e.length){const r=n.samplesPerFrame*9e4/n.sampleRate,o=i+s*r,u={unit:e.subarray(t,t+n.frameLength),pts:o,dts:o};return a.config=[],a.channelCount=n.channelCount,a.samplerate=n.sampleRate,a.samples.push(u),{sample:u,length:n.frameLength,missing:0}}}function Fa(a,e){const t=a[e+1]>>3&3,i=a[e+1]>>1&3,s=a[e+2]>>4&15,n=a[e+2]>>2&3;if(t!==1&&s!==0&&s!==15&&n!==3){const r=a[e+2]>>1&1,o=a[e+3]>>6,u=t===3?3-i:i===3?3:4,l=xl[u*14+s-1]*1e3,h=Al[(t===3?0:t===2?1:2)*3+n],m=o===3?1:2,v=bl[t][i],E=Ll[i],S=v*8*E,_=Math.floor(v*l/h+r)*E;if(Tr===null){const L=(navigator.userAgent||"").match(/Chrome\/(\d+)/i);Tr=L?parseInt(L[1]):0}return!!Tr&&Tr<=87&&i===2&&l>=224e3&&o===0&&(a[e+3]=a[e+3]|128),{sampleRate:h,channelCount:m,frameLength:_,samplesPerFrame:S}}}function Yr(a,e){return a[e]===255&&(a[e+1]&224)===224&&(a[e+1]&6)!==0}function Ma(a,e){return e+1<a.length&&Yr(a,e)}function Rl(a,e){return Yr(a,e)&&4<=a.length-e}function Ba(a,e){if(e+1<a.length&&Yr(a,e)){const i=Fa(a,e);let s=4;i!=null&&i.frameLength&&(s=i.frameLength);const n=e+s;return n===a.length||Ma(a,n)}return!1}class Il extends zr{constructor(e,t){super(),this.observer=void 0,this.config=void 0,this.observer=e,this.config=t}resetInitSegment(e,t,i,s){super.resetInitSegment(e,t,i,s),this._audioTrack={container:"audio/adts",type:"audio",id:2,pid:-1,sequenceNumber:0,segmentCodec:"aac",samples:[],manifestCodec:t,duration:s,inputTimeScale:9e4,dropped:0}}static probe(e,t){if(!e)return!1;const i=Qn(e,0);let s=(i==null?void 0:i.length)||0;if(Ba(e,s))return!1;for(let n=e.length;s<n;s++)if(nl(e,s))return t.log("ADTS sync word found !"),!0;return!1}canParse(e,t){return sl(e,t)}appendFrame(e,t,i){Ia(e,this.observer,t,i,e.manifestCodec);const s=Da(e,t,i,this.basePTS,this.frameIndex);if(s&&s.missing===0)return s}}const Na=(a,e)=>{let t=0,i=5;e+=i;const s=new Uint32Array(1),n=new Uint32Array(1),r=new Uint8Array(1);for(;i>0;){r[0]=a[e];const o=Math.min(i,8),u=8-o;n[0]=4278190080>>>24+u<<u,s[0]=(r[0]&n[0])>>u,t=t?t<<o|s[0]:s[0],e+=1,i-=o}return t};class Cl extends zr{constructor(e){super(),this.observer=void 0,this.observer=e}resetInitSegment(e,t,i,s){super.resetInitSegment(e,t,i,s),this._audioTrack={container:"audio/ac-3",type:"audio",id:2,pid:-1,sequenceNumber:0,segmentCodec:"ac3",samples:[],manifestCodec:t,duration:s,inputTimeScale:9e4,dropped:0}}canParse(e,t){return t+64<e.length}appendFrame(e,t,i){const s=Ua(e,t,i,this.basePTS,this.frameIndex);if(s!==-1)return{sample:e.samples[e.samples.length-1],length:s,missing:0}}static probe(e){if(!e)return!1;const t=Qn(e,0);if(!t)return!1;const i=t.length;return e[i]===11&&e[i+1]===119&&jr(t)!==void 0&&Na(e,i)<16}}function Ua(a,e,t,i,s){if(t+8>e.length||e[t]!==11||e[t+1]!==119)return-1;const n=e[t+4]>>6;if(n>=3)return-1;const o=[48e3,44100,32e3][n],u=e[t+4]&63,d=[64,69,96,64,70,96,80,87,120,80,88,120,96,104,144,96,105,144,112,121,168,112,122,168,128,139,192,128,140,192,160,174,240,160,175,240,192,208,288,192,209,288,224,243,336,224,244,336,256,278,384,256,279,384,320,348,480,320,349,480,384,417,576,384,418,576,448,487,672,448,488,672,512,557,768,512,558,768,640,696,960,640,697,960,768,835,1152,768,836,1152,896,975,1344,896,976,1344,1024,1114,1536,1024,1115,1536,1152,1253,1728,1152,1254,1728,1280,1393,1920,1280,1394,1920][u*3+n]*2;if(t+d>e.length)return-1;const h=e[t+6]>>5;let m=0;h===2?m+=2:(h&1&&h!==1&&(m+=2),h&4&&(m+=2));const v=(e[t+6]<<8|e[t+7])>>12-m&1,S=[2,1,2,3,3,4,4,5][h]+v,_=e[t+5]>>3,x=e[t+5]&7,R=new Uint8Array([n<<6|_<<1|x>>2,(x&3)<<6|h<<3|v<<2|u>>4,u<<4&224]),L=1536/o*9e4,B=i+s*L,N=e.subarray(t,t+d);return a.config=R,a.channelCount=S,a.samplerate=o,a.samples.push({unit:N,pts:B}),d}class Dl extends zr{resetInitSegment(e,t,i,s){super.resetInitSegment(e,t,i,s),this._audioTrack={container:"audio/mpeg",type:"audio",id:2,pid:-1,sequenceNumber:0,segmentCodec:"mp3",samples:[],manifestCodec:t,duration:s,inputTimeScale:9e4,dropped:0}}static probe(e){if(!e)return!1;const t=Qn(e,0);let i=(t==null?void 0:t.length)||0;if(t&&e[i]===11&&e[i+1]===119&&jr(t)!==void 0&&Na(e,i)<=16)return!1;for(let s=e.length;i<s;i++)if(Ba(e,i))return Y.log("MPEG Audio sync word found !"),!0;return!1}canParse(e,t){return Rl(e,t)}appendFrame(e,t,i){if(this.basePTS!==null)return Oa(e,t,i,this.basePTS,this.frameIndex)}}const wl=/\/emsg[-/]ID3/i;class kl{constructor(e,t){this.remainderData=null,this.timeOffset=0,this.config=void 0,this.videoTrack=void 0,this.audioTrack=void 0,this.id3Track=void 0,this.txtTrack=void 0,this.config=t}resetTimeStamp(){}resetInitSegment(e,t,i,s){const n=this.videoTrack=sn("video",1),r=this.audioTrack=sn("audio",1),o=this.txtTrack=sn("text",1);if(this.id3Track=sn("id3",1),this.timeOffset=0,!(e!=null&&e.byteLength))return;const u=Oe(e);if(u.video){const{id:l,timescale:d,codec:h,supplemental:m}=u.video;n.id=l,n.timescale=o.timescale=d,n.codec=h,n.supplemental=m}if(u.audio){const{id:l,timescale:d,codec:h}=u.audio;r.id=l,r.timescale=d,r.codec=h}o.id=xi.text,n.sampleDuration=0,n.duration=r.duration=s}resetContiguity(){this.remainderData=null}static probe(e){return _e(e)}demux(e,t){this.timeOffset=t;let i=e;const s=this.videoTrack,n=this.txtTrack;if(this.config.progressive){this.remainderData&&(i=Dt(this.remainderData,e));const o=Lt(i);this.remainderData=o.remainder,s.samples=o.valid||new Uint8Array}else s.samples=i;const r=this.extractID3Track(s,t);return n.samples=Wt(t,s),{videoTrack:s,audioTrack:this.audioTrack,id3Track:r,textTrack:this.txtTrack}}flush(){const e=this.timeOffset,t=this.videoTrack,i=this.txtTrack;t.samples=this.remainderData||new Uint8Array,this.remainderData=null;const s=this.extractID3Track(t,this.timeOffset);return i.samples=Wt(e,t),{videoTrack:t,audioTrack:sn(),id3Track:s,textTrack:sn()}}extractID3Track(e,t){const i=this.id3Track;if(e.samples.length){const s=M(e.samples,["emsg"]);s&&s.forEach(n=>{const r=Hi(n);if(wl.test(r.schemeIdUri)){const o=$a(r,t);let u=r.eventDuration===4294967295?Number.POSITIVE_INFINITY:r.eventDuration/r.timeScale;u<=.001&&(u=Number.POSITIVE_INFINITY);const l=r.payload;i.samples.push({data:l,len:l.byteLength,dts:o,pts:o,type:Bs.emsg,duration:u})}else if(this.config.enableEmsgKLVMetadata&&r.schemeIdUri.startsWith("urn:misb:KLV:bin:1910.1")){const o=$a(r,t);i.samples.push({data:r.payload,len:r.payload.byteLength,dts:o,pts:o,type:Bs.misbklv,duration:Number.POSITIVE_INFINITY})}})}return i}demuxSampleAes(e,t,i){return Promise.reject(new Error("The MP4 demuxer does not support SAMPLE-AES decryption"))}destroy(){this.config=null,this.remainderData=null,this.videoTrack=this.audioTrack=this.id3Track=this.txtTrack=void 0}}function $a(a,e){return b(a.presentationTime)?a.presentationTime/a.timeScale:e+a.presentationTimeDelta/a.timeScale}class Pl{constructor(e,t,i){this.keyData=void 0,this.decrypter=void 0,this.keyData=i,this.decrypter=new As(t,{removePKCS7Padding:!1})}decryptBuffer(e){return this.decrypter.decrypt(e,this.keyData.key.buffer,this.keyData.iv.buffer,Ii.cbc)}decryptAacSample(e,t,i){const s=e[t].unit;if(s.length<=16)return;const n=s.subarray(16,s.length-s.length%16),r=n.buffer.slice(n.byteOffset,n.byteOffset+n.length);this.decryptBuffer(r).then(o=>{const u=new Uint8Array(o);s.set(u,16),this.decrypter.isSync()||this.decryptAacSamples(e,t+1,i)})}decryptAacSamples(e,t,i){for(;;t++){if(t>=e.length){i();return}if(!(e[t].unit.length<32)&&(this.decryptAacSample(e,t,i),!this.decrypter.isSync()))return}}getAvcEncryptedData(e){const t=Math.floor((e.length-48)/160)*16+16,i=new Int8Array(t);let s=0;for(let n=32;n<e.length-16;n+=160,s+=16)i.set(e.subarray(n,n+16),s);return i}getAvcDecryptedUnit(e,t){const i=new Uint8Array(t);let s=0;for(let n=32;n<e.length-16;n+=160,s+=16)e.set(i.subarray(s,s+16),n);return e}decryptAvcSample(e,t,i,s,n){const r=Ft(n.data),o=this.getAvcEncryptedData(r);this.decryptBuffer(o.buffer).then(u=>{n.data=this.getAvcDecryptedUnit(r,u),this.decrypter.isSync()||this.decryptAvcSamples(e,t,i+1,s)})}decryptAvcSamples(e,t,i,s){if(e instanceof Uint8Array)throw new Error("Cannot decrypt samples of type Uint8Array");for(;;t++,i=0){if(t>=e.length){s();return}const n=e[t].units;for(;!(i>=n.length);i++){const r=n[i];if(!(r.data.length<=48||r.type!==1&&r.type!==5)&&(this.decryptAvcSample(e,t,i,s,r),!this.decrypter.isSync()))return}}}}class Ga{constructor(){this.VideoSample=null}createVideoSample(e,t,i){return{key:e,frame:!1,pts:t,dts:i,units:[],length:0}}getLastNalUnit(e){var t;let i=this.VideoSample,s;if((!i||i.units.length===0)&&(i=e[e.length-1]),(t=i)!=null&&t.units){const n=i.units;s=n[n.length-1]}return s}pushAccessUnit(e,t){if(e.units.length&&e.frame){if(e.pts===void 0){const i=t.samples,s=i.length;if(s){const n=i[s-1];e.pts=n.pts,e.dts=n.dts}else{t.dropped++;return}}t.samples.push(e)}}parseNALu(e,t,i){const s=t.byteLength;let n=e.naluState||0;const r=n,o=[];let u=0,l,d,h,m=-1,v=0;for(n===-1&&(m=0,v=this.getNALuType(t,0),n=0,u=1);u<s;){if(l=t[u++],!n){n=l?0:1;continue}if(n===1){n=l?0:2;continue}if(!l)n=3;else if(l===1){if(d=u-n-1,m>=0){const E={data:t.subarray(m,d),type:v};o.push(E)}else{const E=this.getLastNalUnit(e.samples);E&&(r&&u<=4-r&&E.state&&(E.data=E.data.subarray(0,E.data.byteLength-r)),d>0&&(E.data=Dt(E.data,t.subarray(0,d)),E.state=0))}u<s?(h=this.getNALuType(t,u),m=u,v=h,n=0):n=-1}else n=0}if(m>=0&&n>=0){const E={data:t.subarray(m,s),type:v,state:n};o.push(E)}if(o.length===0){const E=this.getLastNalUnit(e.samples);E&&(E.data=Dt(E.data,t))}return e.naluState=n,o}}class Jn{constructor(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}loadWord(){const e=this.data,t=this.bytesAvailable,i=e.byteLength-t,s=new Uint8Array(4),n=Math.min(4,t);if(n===0)throw new Error("no bytes available");s.set(e.subarray(i,i+n)),this.word=new DataView(s.buffer).getUint32(0),this.bitsAvailable=n*8,this.bytesAvailable-=n}skipBits(e){let t;e=Math.min(e,this.bytesAvailable*8+this.bitsAvailable),this.bitsAvailable>e?(this.word<<=e,this.bitsAvailable-=e):(e-=this.bitsAvailable,t=e>>3,e-=t<<3,this.bytesAvailable-=t,this.loadWord(),this.word<<=e,this.bitsAvailable-=e)}readBits(e){let t=Math.min(this.bitsAvailable,e);const i=this.word>>>32-t;if(e>32&&Y.error("Cannot read more than 32 bits at a time"),this.bitsAvailable-=t,this.bitsAvailable>0)this.word<<=t;else if(this.bytesAvailable>0)this.loadWord();else throw new Error("no bits available");return t=e-t,t>0&&this.bitsAvailable?i<<t|this.readBits(t):i}skipLZ(){let e;for(e=0;e<this.bitsAvailable;++e)if(this.word&2147483648>>>e)return this.word<<=e,this.bitsAvailable-=e,e;return this.loadWord(),e+this.skipLZ()}skipUEG(){this.skipBits(1+this.skipLZ())}skipEG(){this.skipBits(1+this.skipLZ())}readUEG(){const e=this.skipLZ();return this.readBits(e+1)-1}readEG(){const e=this.readUEG();return 1&e?1+e>>>1:-1*(e>>>1)}readBoolean(){return this.readBits(1)===1}readUByte(){return this.readBits(8)}readUShort(){return this.readBits(16)}readUInt(){return this.readBits(32)}}class Va extends Ga{parsePES(e,t,i,s){const n=this.parseNALu(e,i.data,s);let r=this.VideoSample,o,u=!1;i.data=null,r&&n.length&&!e.audFound&&(this.pushAccessUnit(r,e),r=this.VideoSample=this.createVideoSample(!1,i.pts,i.dts)),n.forEach(l=>{var d,h;switch(l.type){case 1:{let S=!1;o=!0;const _=l.data;if(u&&_.length>4){const x=this.readSliceType(_);(x===2||x===4||x===7||x===9)&&(S=!0)}if(S){var m;(m=r)!=null&&m.frame&&!r.key&&(this.pushAccessUnit(r,e),r=this.VideoSample=null)}r||(r=this.VideoSample=this.createVideoSample(!0,i.pts,i.dts)),r.frame=!0,r.key=S;break}case 5:o=!0,(d=r)!=null&&d.frame&&!r.key&&(this.pushAccessUnit(r,e),r=this.VideoSample=null),r||(r=this.VideoSample=this.createVideoSample(!0,i.pts,i.dts)),r.key=!0,r.frame=!0;break;case 6:{o=!0,ve(l.data,1,i.pts,t.samples);break}case 7:{var v,E;o=!0,u=!0;const S=l.data,_=this.readSPS(S);if(!e.sps||e.width!==_.width||e.height!==_.height||((v=e.pixelRatio)==null?void 0:v[0])!==_.pixelRatio[0]||((E=e.pixelRatio)==null?void 0:E[1])!==_.pixelRatio[1]){e.width=_.width,e.height=_.height,e.pixelRatio=_.pixelRatio,e.sps=[S];const x=S.subarray(1,4);let R="avc1.";for(let L=0;L<3;L++){let B=x[L].toString(16);B.length<2&&(B="0"+B),R+=B}e.codec=R}break}case 8:o=!0,e.pps=[l.data];break;case 9:o=!0,e.audFound=!0,(h=r)!=null&&h.frame&&(this.pushAccessUnit(r,e),r=null),r||(r=this.VideoSample=this.createVideoSample(!1,i.pts,i.dts));break;case 12:o=!0;break;default:o=!1;break}r&&o&&r.units.push(l)}),s&&r&&(this.pushAccessUnit(r,e),this.VideoSample=null)}getNALuType(e,t){return e[t]&31}readSliceType(e){const t=new Jn(e);return t.readUByte(),t.readUEG(),t.readUEG()}skipScalingList(e,t){let i=8,s=8,n;for(let r=0;r<e;r++)s!==0&&(n=t.readEG(),s=(i+n+256)%256),i=s===0?i:s}readSPS(e){const t=new Jn(e);let i=0,s=0,n=0,r=0,o,u,l;const d=t.readUByte.bind(t),h=t.readBits.bind(t),m=t.readUEG.bind(t),v=t.readBoolean.bind(t),E=t.skipBits.bind(t),S=t.skipEG.bind(t),_=t.skipUEG.bind(t),x=this.skipScalingList.bind(this);d();const R=d();if(h(5),E(3),d(),_(),R===100||R===110||R===122||R===244||R===44||R===83||R===86||R===118||R===128){const z=m();if(z===3&&E(1),_(),_(),E(1),v())for(u=z!==3?8:12,l=0;l<u;l++)v()&&(l<6?x(16,t):x(64,t))}_();const L=m();if(L===0)m();else if(L===1)for(E(1),S(),S(),o=m(),l=0;l<o;l++)S();_(),E(1);const B=m(),N=m(),te=h(1);te===0&&E(1),E(1),v()&&(i=m(),s=m(),n=m(),r=m());let U=[1,1];if(v()&&v())switch(d()){case 1:U=[1,1];break;case 2:U=[12,11];break;case 3:U=[10,11];break;case 4:U=[16,11];break;case 5:U=[40,33];break;case 6:U=[24,11];break;case 7:U=[20,11];break;case 8:U=[32,11];break;case 9:U=[80,33];break;case 10:U=[18,11];break;case 11:U=[15,11];break;case 12:U=[64,33];break;case 13:U=[160,99];break;case 14:U=[4,3];break;case 15:U=[3,2];break;case 16:U=[2,1];break;case 255:{U=[d()<<8|d(),d()<<8|d()];break}}return{width:Math.ceil((B+1)*16-i*2-s*2),height:(2-te)*(N+1)*16-(te?2:4)*(n+r),pixelRatio:U}}}class Ka extends Ga{constructor(...e){super(...e),this.initVPS=null}parsePES(e,t,i,s){const n=this.parseNALu(e,i.data,s);let r=this.VideoSample,o,u=!1;i.data=null,r&&n.length&&!e.audFound&&(this.pushAccessUnit(r,e),r=this.VideoSample=this.createVideoSample(!1,i.pts,i.dts)),n.forEach(l=>{var d,h;switch(l.type){case 0:case 1:case 2:case 3:case 4:case 5:case 6:case 7:case 8:case 9:r||(r=this.VideoSample=this.createVideoSample(!1,i.pts,i.dts)),r.frame=!0,o=!0;break;case 16:case 17:case 18:case 21:if(o=!0,u){var m;(m=r)!=null&&m.frame&&!r.key&&(this.pushAccessUnit(r,e),r=this.VideoSample=null)}r||(r=this.VideoSample=this.createVideoSample(!0,i.pts,i.dts)),r.key=!0,r.frame=!0;break;case 19:case 20:o=!0,(d=r)!=null&&d.frame&&!r.key&&(this.pushAccessUnit(r,e),r=this.VideoSample=null),r||(r=this.VideoSample=this.createVideoSample(!0,i.pts,i.dts)),r.key=!0,r.frame=!0;break;case 39:o=!0,ve(l.data,2,i.pts,t.samples);break;case 32:o=!0,e.vps||(typeof e.params!="object"&&(e.params={}),e.params=Le(e.params,this.readVPS(l.data)),this.initVPS=l.data),e.vps=[l.data];break;case 33:if(o=!0,u=!0,e.vps!==void 0&&e.vps[0]!==this.initVPS&&e.sps!==void 0&&!this.matchSPS(e.sps[0],l.data)&&(this.initVPS=e.vps[0],e.sps=e.pps=void 0),!e.sps){const v=this.readSPS(l.data);e.width=v.width,e.height=v.height,e.pixelRatio=v.pixelRatio,e.codec=v.codecString,e.sps=[],typeof e.params!="object"&&(e.params={});for(const E in v.params)e.params[E]=v.params[E]}this.pushParameterSet(e.sps,l.data,e.vps),r||(r=this.VideoSample=this.createVideoSample(!0,i.pts,i.dts)),r.key=!0;break;case 34:if(o=!0,typeof e.params=="object"){if(!e.pps){e.pps=[];const v=this.readPPS(l.data);for(const E in v)e.params[E]=v[E]}this.pushParameterSet(e.pps,l.data,e.vps)}break;case 35:o=!0,e.audFound=!0,(h=r)!=null&&h.frame&&(this.pushAccessUnit(r,e),r=null),r||(r=this.VideoSample=this.createVideoSample(!1,i.pts,i.dts));break;default:o=!1;break}r&&o&&r.units.push(l)}),s&&r&&(this.pushAccessUnit(r,e),this.VideoSample=null)}pushParameterSet(e,t,i){(i&&i[0]===this.initVPS||!i&&!e.length)&&e.push(t)}getNALuType(e,t){return(e[t]&126)>>>1}ebsp2rbsp(e){const t=new Uint8Array(e.byteLength);let i=0;for(let s=0;s<e.byteLength;s++)s>=2&&e[s]===3&&e[s-1]===0&&e[s-2]===0||(t[i]=e[s],i++);return new Uint8Array(t.buffer,0,i)}pushAccessUnit(e,t){super.pushAccessUnit(e,t),this.initVPS&&(this.initVPS=null)}readVPS(e){const t=new Jn(e);t.readUByte(),t.readUByte(),t.readBits(4),t.skipBits(2),t.readBits(6);const i=t.readBits(3),s=t.readBoolean();return{numTemporalLayers:i+1,temporalIdNested:s}}readSPS(e){const t=new Jn(this.ebsp2rbsp(e));t.readUByte(),t.readUByte(),t.readBits(4);const i=t.readBits(3);t.readBoolean();const s=t.readBits(2),n=t.readBoolean(),r=t.readBits(5),o=t.readUByte(),u=t.readUByte(),l=t.readUByte(),d=t.readUByte(),h=t.readUByte(),m=t.readUByte(),v=t.readUByte(),E=t.readUByte(),S=t.readUByte(),_=t.readUByte(),x=t.readUByte(),R=[],L=[];for(let Ai=0;Ai<i;Ai++)R.push(t.readBoolean()),L.push(t.readBoolean());if(i>0)for(let Ai=i;Ai<8;Ai++)t.readBits(2);for(let Ai=0;Ai<i;Ai++)R[Ai]&&(t.readUByte(),t.readUByte(),t.readUByte(),t.readUByte(),t.readUByte(),t.readUByte(),t.readUByte(),t.readUByte(),t.readUByte(),t.readUByte(),t.readUByte()),L[Ai]&&t.readUByte();t.readUEG();const B=t.readUEG();B==3&&t.skipBits(1);const N=t.readUEG(),te=t.readUEG(),U=t.readBoolean();let z=0,le=0,V=0,Ae=0;U&&(z+=t.readUEG(),le+=t.readUEG(),V+=t.readUEG(),Ae+=t.readUEG());const Ue=t.readUEG(),li=t.readUEG(),Ot=t.readUEG(),_t=t.readBoolean();for(let Ai=_t?0:i;Ai<=i;Ai++)t.skipUEG(),t.skipUEG(),t.skipUEG();if(t.skipUEG(),t.skipUEG(),t.skipUEG(),t.skipUEG(),t.skipUEG(),t.skipUEG(),t.readBoolean()&&t.readBoolean())for(let xs=0;xs<4;xs++)for(let $s=0;$s<(xs===3?2:6);$s++)if(!t.readBoolean())t.readUEG();else{const Zs=Math.min(64,1<<4+(xs<<1));xs>1&&t.readEG();for(let Un=0;Un<Zs;Un++)t.readEG()}t.readBoolean(),t.readBoolean(),t.readBoolean()&&(t.readUByte(),t.skipUEG(),t.skipUEG(),t.readBoolean());const pt=t.readUEG();let be=0;for(let Ai=0;Ai<pt;Ai++){let xs=!1;if(Ai!==0&&(xs=t.readBoolean()),xs){Ai===pt&&t.readUEG(),t.readBoolean(),t.readUEG();let $s=0;for(let bn=0;bn<=be;bn++){const Zs=t.readBoolean();let Un=!1;Zs||(Un=t.readBoolean()),(Zs||Un)&&$s++}be=$s}else{const $s=t.readUEG(),bn=t.readUEG();be=$s+bn;for(let Zs=0;Zs<$s;Zs++)t.readUEG(),t.readBoolean();for(let Zs=0;Zs<bn;Zs++)t.readUEG(),t.readBoolean()}}if(t.readBoolean()){const Ai=t.readUEG();for(let xs=0;xs<Ai;xs++){for(let $s=0;$s<Ot+4;$s++)t.readBits(1);t.readBits(1)}}let Ht=0,Nt=1,ai=1,Ti=!0,Ci=1,Mi=0;t.readBoolean(),t.readBoolean();let Rs=!1;if(t.readBoolean()){if(t.readBoolean()){const Ln=t.readUByte(),Wo=[1,12,10,16,40,24,20,32,80,18,15,64,160,4,3,2],Or=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1];Ln>0&&Ln<16?(Nt=Wo[Ln-1],ai=Or[Ln-1]):Ln===255&&(Nt=t.readBits(16),ai=t.readBits(16))}if(t.readBoolean()&&t.readBoolean(),t.readBoolean()&&(t.readBits(3),t.readBoolean(),t.readBoolean()&&(t.readUByte(),t.readUByte(),t.readUByte())),t.readBoolean()&&(t.readUEG(),t.readUEG()),t.readBoolean(),t.readBoolean(),t.readBoolean(),Rs=t.readBoolean(),Rs&&(z+=t.readUEG(),le+=t.readUEG(),V+=t.readUEG(),Ae+=t.readUEG()),t.readBoolean()&&(Ci=t.readBits(32),Mi=t.readBits(32),t.readBoolean()&&t.readUEG(),t.readBoolean())){const Or=t.readBoolean(),jo=t.readBoolean();let rr=!1;(Or||jo)&&(rr=t.readBoolean(),rr&&(t.readUByte(),t.readBits(5),t.readBoolean(),t.readBits(5)),t.readBits(4),t.readBits(4),rr&&t.readBits(4),t.readBits(5),t.readBits(5),t.readBits(5));for(let zo=0;zo<=i;zo++){Ti=t.readBoolean();const ed=Ti||t.readBoolean();let Yo=!1;ed?t.readEG():Yo=t.readBoolean();const Zo=Yo?1:t.readUEG()+1;if(Or)for(let ar=0;ar<Zo;ar++)t.readUEG(),t.readUEG(),rr&&(t.readUEG(),t.readUEG()),t.skipBits(1);if(jo)for(let ar=0;ar<Zo;ar++)t.readUEG(),t.readUEG(),rr&&(t.readUEG(),t.readUEG()),t.skipBits(1)}}t.readBoolean()&&(t.readBoolean(),t.readBoolean(),t.readBoolean(),Ht=t.readUEG())}let vn=N,Ho=te;if(U||Rs){let Ai=1,xs=1;B===1?Ai=xs=2:B==2&&(Ai=2),vn=N-Ai*le-Ai*z,Ho=te-xs*Ae-xs*V}const Qc=s?["A","B","C"][s]:"",Jc=o<<24|u<<16|l<<8|d;let xa=0;for(let Ai=0;Ai<32;Ai++)xa=(xa|(Jc>>Ai&1)<<31-Ai)>>>0;let Aa=xa.toString(16);return r===1&&Aa==="2"&&(Aa="6"),{codecString:`hvc1.${Qc}${r}.${Aa}.${n?"H":"L"}${x}.B0`,params:{general_tier_flag:n,general_profile_idc:r,general_profile_space:s,general_profile_compatibility_flags:[o,u,l,d],general_constraint_indicator_flags:[h,m,v,E,S,_],general_level_idc:x,bit_depth:Ue+8,bit_depth_luma_minus8:Ue,bit_depth_chroma_minus8:li,min_spatial_segmentation_idc:Ht,chroma_format_idc:B,frame_rate:{fixed:Ti,fps:Mi/Ci}},width:vn,height:Ho,pixelRatio:[Nt,ai]}}readPPS(e){const t=new Jn(this.ebsp2rbsp(e));t.readUByte(),t.readUByte(),t.skipUEG(),t.skipUEG(),t.skipBits(2),t.skipBits(3),t.skipBits(2),t.skipUEG(),t.skipUEG(),t.skipEG(),t.skipBits(2),t.readBoolean()&&t.skipUEG(),t.skipEG(),t.skipEG(),t.skipBits(4);const s=t.readBoolean(),n=t.readBoolean();let r=1;return n&&s?r=0:n?r=3:s&&(r=2),{parallelismType:r}}matchSPS(e,t){return String.fromCharCode.apply(null,e).substr(3)===String.fromCharCode.apply(null,t).substr(3)}}const fs=188;class fn{constructor(e,t,i,s){this.logger=void 0,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._pmtId=-1,this._videoTrack=void 0,this._audioTrack=void 0,this._id3Track=void 0,this._txtTrack=void 0,this.aacOverFlow=null,this.remainderData=null,this.videoParser=void 0,this.observer=e,this.config=t,this.typeSupported=i,this.logger=s,this.videoParser=null}static probe(e,t){const i=fn.syncOffset(e);return i>0&&t.warn(`MPEG2-TS detected but first sync word found @ offset ${i}`),i!==-1}static syncOffset(e){const t=e.length;let i=Math.min(fs*5,t-fs)+1,s=0;for(;s<i;){let n=!1,r=-1,o=0;for(let u=s;u<t;u+=fs)if(e[u]===71&&(t-u===fs||e[u+fs]===71)){if(o++,r===-1&&(r=u,r!==0&&(i=Math.min(r+fs*99,e.length-fs)+1)),n||(n=Zr(e,u)===0),n&&o>1&&(r===0&&o>2||u+fs>i))return r}else{if(o)return-1;break}s++}return-1}static createTrack(e,t){return{container:e==="video"||e==="audio"?"video/mp2t":void 0,type:e,id:xi[e],pid:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],dropped:0,duration:e==="audio"?t:void 0}}resetInitSegment(e,t,i,s){this.pmtParsed=!1,this._pmtId=-1,this._videoTrack=fn.createTrack("video"),this._videoTrack.duration=s,this._audioTrack=fn.createTrack("audio",s),this._id3Track=fn.createTrack("id3"),this._txtTrack=fn.createTrack("text"),this._audioTrack.segmentCodec="aac",this.aacOverFlow=null,this.remainderData=null,this.audioCodec=t,this.videoCodec=i}resetTimeStamp(){}resetContiguity(){const{_audioTrack:e,_videoTrack:t,_id3Track:i}=this;e&&(e.pesData=null),t&&(t.pesData=null),i&&(i.pesData=null),this.aacOverFlow=null,this.remainderData=null}demux(e,t,i=!1,s=!1){i||(this.sampleAes=null);let n;const r=this._videoTrack,o=this._audioTrack,u=this._id3Track,l=this._txtTrack;let d=r.pid,h=r.pesData,m=o.pid,v=u.pid,E=o.pesData,S=u.pesData,_=null,x=this.pmtParsed,R=this._pmtId,L=e.length;if(this.remainderData&&(e=Dt(this.remainderData,e),L=e.length,this.remainderData=null),L<fs&&!s)return this.remainderData=e,{audioTrack:o,videoTrack:r,id3Track:u,textTrack:l};const B=Math.max(0,fn.syncOffset(e));L-=(L-B)%fs,L<e.byteLength&&!s&&(this.remainderData=new Uint8Array(e.buffer,L,e.buffer.byteLength-L));let N=0;for(let U=B;U<L;U+=fs)if(e[U]===71){const z=!!(e[U+1]&64),le=Zr(e,U),V=(e[U+3]&48)>>4;let Ae;if(V>1){if(Ae=U+5+e[U+4],Ae===U+fs)continue}else Ae=U+4;switch(le){case d:if(z){if(h&&(n=Pn(h,this.logger))){if(this.videoParser===null)switch(r.segmentCodec){case"avc":this.videoParser=new Va;break;case"hevc":this.videoParser=new Ka;break}this.videoParser!==null&&this.videoParser.parsePES(r,l,n,!1)}h={data:[],size:0}}h&&(h.data.push(e.subarray(Ae,U+fs)),h.size+=U+fs-Ae);break;case m:if(z){if(E&&(n=Pn(E,this.logger)))switch(o.segmentCodec){case"aac":this.parseAACPES(o,n);break;case"mp3":this.parseMPEGPES(o,n);break;case"ac3":this.parseAC3PES(o,n);break}E={data:[],size:0}}E&&(E.data.push(e.subarray(Ae,U+fs)),E.size+=U+fs-Ae);break;case v:z&&(S&&(n=Pn(S,this.logger))&&this.parseID3PES(u,n),S={data:[],size:0}),S&&(S.data.push(e.subarray(Ae,U+fs)),S.size+=U+fs-Ae);break;case 0:z&&(Ae+=e[Ae]+1),R=this._pmtId=Ol(e,Ae);break;case R:{z&&(Ae+=e[Ae]+1);const Ue=Fl(e,Ae,this.typeSupported,i,this.observer,this.logger);d=Ue.videoPid,d>0&&(r.pid=d,r.segmentCodec=Ue.segmentVideoCodec),m=Ue.audioPid,m>0&&(o.pid=m,o.segmentCodec=Ue.segmentAudioCodec),v=Ue.id3Pid,v>0&&(u.pid=v),_!==null&&!x&&(this.logger.warn(`MPEG-TS PMT found at ${U} after unknown PID '${_}'. Backtracking to sync byte @${B} to parse all TS packets.`),_=null,U=B-188),x=this.pmtParsed=!0;break}case 17:case 8191:break;default:_=le;break}}else N++;N>0&&qr(this.observer,new Error(`Found ${N} TS packet/s that do not start with 0x47`),void 0,this.logger),r.pesData=h,o.pesData=E,u.pesData=S;const te={audioTrack:o,videoTrack:r,id3Track:u,textTrack:l};return s&&this.extractRemainingSamples(te),te}flush(){const{remainderData:e}=this;this.remainderData=null;let t;return e?t=this.demux(e,-1,!1,!0):t={videoTrack:this._videoTrack,audioTrack:this._audioTrack,id3Track:this._id3Track,textTrack:this._txtTrack},this.extractRemainingSamples(t),this.sampleAes?this.decrypt(t,this.sampleAes):t}extractRemainingSamples(e){const{audioTrack:t,videoTrack:i,id3Track:s,textTrack:n}=e,r=i.pesData,o=t.pesData,u=s.pesData;let l;if(r&&(l=Pn(r,this.logger))){if(this.videoParser===null)switch(i.segmentCodec){case"avc":this.videoParser=new Va;break;case"hevc":this.videoParser=new Ka;break}this.videoParser!==null&&(this.videoParser.parsePES(i,n,l,!0),i.pesData=null)}else i.pesData=r;if(o&&(l=Pn(o,this.logger))){switch(t.segmentCodec){case"aac":this.parseAACPES(t,l);break;case"mp3":this.parseMPEGPES(t,l);break;case"ac3":this.parseAC3PES(t,l);break}t.pesData=null}else o!=null&&o.size&&this.logger.log("last AAC PES packet truncated,might overlap between fragments"),t.pesData=o;u&&(l=Pn(u,this.logger))?(this.parseID3PES(s,l),s.pesData=null):s.pesData=u}demuxSampleAes(e,t,i){const s=this.demux(e,i,!0,!this.config.progressive),n=this.sampleAes=new Pl(this.observer,this.config,t);return this.decrypt(s,n)}decrypt(e,t){return new Promise(i=>{const{audioTrack:s,videoTrack:n}=e;s.samples&&s.segmentCodec==="aac"?t.decryptAacSamples(s.samples,0,()=>{n.samples?t.decryptAvcSamples(n.samples,0,0,()=>{i(e)}):i(e)}):n.samples&&t.decryptAvcSamples(n.samples,0,0,()=>{i(e)})})}destroy(){this.observer&&this.observer.removeAllListeners(),this.config=this.logger=this.observer=null,this.aacOverFlow=this.videoParser=this.remainderData=this.sampleAes=null,this._videoTrack=this._audioTrack=this._id3Track=this._txtTrack=void 0}parseAACPES(e,t){let i=0;const s=this.aacOverFlow;let n=t.data;if(s){this.aacOverFlow=null;const h=s.missing,m=s.sample.unit.byteLength;if(h===-1)n=Dt(s.sample.unit,n);else{const v=m-h;s.sample.unit.set(n.subarray(0,h),v),e.samples.push(s.sample),i=s.missing}}let r,o;for(r=i,o=n.length;r<o-1&&!_r(n,r);r++);if(r!==i){let h;const m=r<o-1;if(m?h=`AAC PES did not start with ADTS header,offset:${r}`:h="No ADTS header found in AAC PES",qr(this.observer,new Error(h),m,this.logger),!m)return}Ia(e,this.observer,n,r,this.audioCodec);let u;if(t.pts!==void 0)u=t.pts;else if(s){const h=Ca(e.samplerate);u=s.sample.pts+h}else{this.logger.warn("[tsdemuxer]: AAC PES unknown PTS");return}let l=0,d;for(;r<o;)if(d=Da(e,n,r,u,l),r+=d.length,d.missing){this.aacOverFlow=d;break}else for(l++;r<o-1&&!_r(n,r);r++);}parseMPEGPES(e,t){const i=t.data,s=i.length;let n=0,r=0;const o=t.pts;if(o===void 0){this.logger.warn("[tsdemuxer]: MPEG PES unknown PTS");return}for(;r<s;)if(Ma(i,r)){const u=Oa(e,i,r,o,n);if(u)r+=u.length,n++;else break}else r++}parseAC3PES(e,t){{const i=t.data,s=t.pts;if(s===void 0){this.logger.warn("[tsdemuxer]: AC3 PES unknown PTS");return}const n=i.length;let r=0,o=0,u;for(;o<n&&(u=Ua(e,i,o,s,r++))>0;)o+=u}}parseID3PES(e,t){if(t.pts===void 0){this.logger.warn("[tsdemuxer]: ID3 PES unknown PTS");return}const i=Le({},t,{type:this._videoTrack?Bs.emsg:Bs.audioId3,duration:Number.POSITIVE_INFINITY});e.samples.push(i)}}function Zr(a,e){return((a[e+1]&31)<<8)+a[e+2]}function Ol(a,e){return(a[e+10]&31)<<8|a[e+11]}function Fl(a,e,t,i,s,n){const r={audioPid:-1,videoPid:-1,id3Pid:-1,segmentVideoCodec:"avc",segmentAudioCodec:"aac"},o=(a[e+1]&15)<<8|a[e+2],u=e+3+o-4,l=(a[e+10]&15)<<8|a[e+11];for(e+=12+l;e<u;){const d=Zr(a,e),h=(a[e+3]&15)<<8|a[e+4];switch(a[e]){case 207:if(!i){Xr("ADTS AAC",n);break}case 15:r.audioPid===-1&&(r.audioPid=d);break;case 21:r.id3Pid===-1&&(r.id3Pid=d);break;case 219:if(!i){Xr("H.264",n);break}case 27:r.videoPid===-1&&(r.videoPid=d);break;case 3:case 4:!t.mpeg&&!t.mp3?n.log("MPEG audio found, not supported in this browser"):r.audioPid===-1&&(r.audioPid=d,r.segmentAudioCodec="mp3");break;case 193:if(!i){Xr("AC-3",n);break}case 129:t.ac3?r.audioPid===-1&&(r.audioPid=d,r.segmentAudioCodec="ac3"):n.log("AC-3 audio found, not supported in this browser");break;case 6:if(r.audioPid===-1&&h>0){let m=e+5,v=h;for(;v>2;){switch(a[m]){case 106:t.ac3!==!0?n.log("AC-3 audio found, not supported in this browser for now"):(r.audioPid=d,r.segmentAudioCodec="ac3");break}const S=a[m+1]+2;m+=S,v-=S}}break;case 194:case 135:return qr(s,new Error("Unsupported EC-3 in M2TS found"),void 0,n),r;case 36:r.videoPid===-1&&(r.videoPid=d,r.segmentVideoCodec="hevc",n.log("HEVC in M2TS found"));break}e+=h+5}return r}function qr(a,e,t,i){i.warn(`parsing error: ${e.message}`),a.emit(g.ERROR,g.ERROR,{type:Z.MEDIA_ERROR,details:A.FRAG_PARSING_ERROR,fatal:!1,levelRetry:t,error:e,reason:e.message})}function Xr(a,e){e.log(`${a} with AES-128-CBC encryption found in unencrypted stream`)}function Pn(a,e){let t=0,i,s,n,r,o;const u=a.data;if(!a||a.size===0)return null;for(;u[0].length<19&&u.length>1;)u[0]=Dt(u[0],u[1]),u.splice(1,1);if(i=u[0],(i[0]<<16)+(i[1]<<8)+i[2]===1){if(s=(i[4]<<8)+i[5],s&&s>a.size-6)return null;const d=i[7];d&192&&(r=(i[9]&14)*536870912+(i[10]&255)*4194304+(i[11]&254)*16384+(i[12]&255)*128+(i[13]&254)/2,d&64?(o=(i[14]&14)*536870912+(i[15]&255)*4194304+(i[16]&254)*16384+(i[17]&255)*128+(i[18]&254)/2,r-o>60*9e4&&(e.warn(`${Math.round((r-o)/9e4)}s delta between PTS and DTS, align them`),r=o)):o=r),n=i[8];let h=n+9;if(a.size<=h)return null;a.size-=h;const m=new Uint8Array(a.size);for(let v=0,E=u.length;v<E;v++){i=u[v];let S=i.byteLength;if(h)if(h>S){h-=S;continue}else i=i.subarray(h),S-=h,h=0;m.set(i,t),t+=S}return s&&(s-=n+3),{data:m,pts:r,dts:o,len:s}}return null}class Ml{static getSilentFrame(e,t){switch(e){case"mp4a.40.2":if(t===1)return new Uint8Array([0,200,0,128,35,128]);if(t===2)return new Uint8Array([33,0,73,144,2,25,0,35,128]);if(t===3)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,142]);if(t===4)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,128,44,128,8,2,56]);if(t===5)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(t===6)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,0,178,0,32,8,224]);break;default:if(t===1)return new Uint8Array([1,64,34,128,163,78,230,128,186,8,0,0,0,28,6,241,193,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(t===2)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(t===3)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);break}}}const mn=Math.pow(2,32)-1;class K{static init(){K.types={avc1:[],avcC:[],hvc1:[],hvcC:[],btrt:[],dinf:[],dref:[],esds:[],ftyp:[],hdlr:[],mdat:[],mdhd:[],mdia:[],mfhd:[],minf:[],moof:[],moov:[],mp4a:[],".mp3":[],dac3:[],"ac-3":[],mvex:[],mvhd:[],pasp:[],sdtp:[],stbl:[],stco:[],stsc:[],stsd:[],stsz:[],stts:[],tfdt:[],tfhd:[],traf:[],trak:[],trun:[],trex:[],tkhd:[],vmhd:[],smhd:[]};let e;for(e in K.types)K.types.hasOwnProperty(e)&&(K.types[e]=[e.charCodeAt(0),e.charCodeAt(1),e.charCodeAt(2),e.charCodeAt(3)]);const t=new Uint8Array([0,0,0,0,0,0,0,0,118,105,100,101,0,0,0,0,0,0,0,0,0,0,0,0,86,105,100,101,111,72,97,110,100,108,101,114,0]),i=new Uint8Array([0,0,0,0,0,0,0,0,115,111,117,110,0,0,0,0,0,0,0,0,0,0,0,0,83,111,117,110,100,72,97,110,100,108,101,114,0]);K.HDLR_TYPES={video:t,audio:i};const s=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),n=new Uint8Array([0,0,0,0,0,0,0,0]);K.STTS=K.STSC=K.STCO=n,K.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),K.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0]),K.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),K.STSD=new Uint8Array([0,0,0,0,0,0,0,1]);const r=new Uint8Array([105,115,111,109]),o=new Uint8Array([97,118,99,49]),u=new Uint8Array([0,0,0,1]);K.FTYP=K.box(K.types.ftyp,r,u,r,o),K.DINF=K.box(K.types.dinf,K.box(K.types.dref,s))}static box(e,...t){let i=8,s=t.length;const n=s;for(;s--;)i+=t[s].byteLength;const r=new Uint8Array(i);for(r[0]=i>>24&255,r[1]=i>>16&255,r[2]=i>>8&255,r[3]=i&255,r.set(e,4),s=0,i=8;s<n;s++)r.set(t[s],i),i+=t[s].byteLength;return r}static hdlr(e){return K.box(K.types.hdlr,K.HDLR_TYPES[e])}static mdat(e){return K.box(K.types.mdat,e)}static mdhd(e,t){t*=e;const i=Math.floor(t/(mn+1)),s=Math.floor(t%(mn+1));return K.box(K.types.mdhd,new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,e>>24&255,e>>16&255,e>>8&255,e&255,i>>24,i>>16&255,i>>8&255,i&255,s>>24,s>>16&255,s>>8&255,s&255,85,196,0,0]))}static mdia(e){return K.box(K.types.mdia,K.mdhd(e.timescale||0,e.duration||0),K.hdlr(e.type),K.minf(e))}static mfhd(e){return K.box(K.types.mfhd,new Uint8Array([0,0,0,0,e>>24,e>>16&255,e>>8&255,e&255]))}static minf(e){return e.type==="audio"?K.box(K.types.minf,K.box(K.types.smhd,K.SMHD),K.DINF,K.stbl(e)):K.box(K.types.minf,K.box(K.types.vmhd,K.VMHD),K.DINF,K.stbl(e))}static moof(e,t,i){return K.box(K.types.moof,K.mfhd(e),K.traf(i,t))}static moov(e){let t=e.length;const i=[];for(;t--;)i[t]=K.trak(e[t]);return K.box.apply(null,[K.types.moov,K.mvhd(e[0].timescale||0,e[0].duration||0)].concat(i).concat(K.mvex(e)))}static mvex(e){let t=e.length;const i=[];for(;t--;)i[t]=K.trex(e[t]);return K.box.apply(null,[K.types.mvex,...i])}static mvhd(e,t){t*=e;const i=Math.floor(t/(mn+1)),s=Math.floor(t%(mn+1)),n=new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,e>>24&255,e>>16&255,e>>8&255,e&255,i>>24,i>>16&255,i>>8&255,i&255,s>>24,s>>16&255,s>>8&255,s&255,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]);return K.box(K.types.mvhd,n)}static sdtp(e){const t=e.samples||[],i=new Uint8Array(4+t.length);let s,n;for(s=0;s<t.length;s++)n=t[s].flags,i[s+4]=n.dependsOn<<4|n.isDependedOn<<2|n.hasRedundancy;return K.box(K.types.sdtp,i)}static stbl(e){return K.box(K.types.stbl,K.stsd(e),K.box(K.types.stts,K.STTS),K.box(K.types.stsc,K.STSC),K.box(K.types.stsz,K.STSZ),K.box(K.types.stco,K.STCO))}static avc1(e){let t=[],i=[],s,n,r;for(s=0;s<e.sps.length;s++)n=e.sps[s],r=n.byteLength,t.push(r>>>8&255),t.push(r&255),t=t.concat(Array.prototype.slice.call(n));for(s=0;s<e.pps.length;s++)n=e.pps[s],r=n.byteLength,i.push(r>>>8&255),i.push(r&255),i=i.concat(Array.prototype.slice.call(n));const o=K.box(K.types.avcC,new Uint8Array([1,t[3],t[4],t[5],255,224|e.sps.length].concat(t).concat([e.pps.length]).concat(i))),u=e.width,l=e.height,d=e.pixelRatio[0],h=e.pixelRatio[1];return K.box(K.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,u>>8&255,u&255,l>>8&255,l&255,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,100,97,105,108,121,109,111,116,105,111,110,47,104,108,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),o,K.box(K.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])),K.box(K.types.pasp,new Uint8Array([d>>24,d>>16&255,d>>8&255,d&255,h>>24,h>>16&255,h>>8&255,h&255])))}static esds(e){const t=e.config;return new Uint8Array([0,0,0,0,3,25,0,1,0,4,17,64,21,0,0,0,0,0,0,0,0,0,0,0,5,2,...t,6,1,2])}static audioStsd(e){const t=e.samplerate||0;return new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount||0,0,16,0,0,0,0,t>>8&255,t&255,0,0])}static mp4a(e){return K.box(K.types.mp4a,K.audioStsd(e),K.box(K.types.esds,K.esds(e)))}static mp3(e){return K.box(K.types[".mp3"],K.audioStsd(e))}static ac3(e){return K.box(K.types["ac-3"],K.audioStsd(e),K.box(K.types.dac3,e.config))}static stsd(e){const{segmentCodec:t}=e;if(e.type==="audio"){if(t==="aac")return K.box(K.types.stsd,K.STSD,K.mp4a(e));if(t==="ac3"&&e.config)return K.box(K.types.stsd,K.STSD,K.ac3(e));if(t==="mp3"&&e.codec==="mp3")return K.box(K.types.stsd,K.STSD,K.mp3(e))}else if(e.pps&&e.sps){if(t==="avc")return K.box(K.types.stsd,K.STSD,K.avc1(e));if(t==="hevc"&&e.vps)return K.box(K.types.stsd,K.STSD,K.hvc1(e))}else throw new Error("video track missing pps or sps");throw new Error(`unsupported ${e.type} segment codec (${t}/${e.codec})`)}static tkhd(e){const t=e.id,i=(e.duration||0)*(e.timescale||0),s=e.width||0,n=e.height||0,r=Math.floor(i/(mn+1)),o=Math.floor(i%(mn+1));return K.box(K.types.tkhd,new Uint8Array([1,0,0,7,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,t>>24&255,t>>16&255,t>>8&255,t&255,0,0,0,0,r>>24,r>>16&255,r>>8&255,r&255,o>>24,o>>16&255,o>>8&255,o&255,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,s>>8&255,s&255,0,0,n>>8&255,n&255,0,0]))}static traf(e,t){const i=K.sdtp(e),s=e.id,n=Math.floor(t/(mn+1)),r=Math.floor(t%(mn+1));return K.box(K.types.traf,K.box(K.types.tfhd,new Uint8Array([0,0,0,0,s>>24,s>>16&255,s>>8&255,s&255])),K.box(K.types.tfdt,new Uint8Array([1,0,0,0,n>>24,n>>16&255,n>>8&255,n&255,r>>24,r>>16&255,r>>8&255,r&255])),K.trun(e,i.length+16+20+8+16+8+8),i)}static trak(e){return e.duration=e.duration||4294967295,K.box(K.types.trak,K.tkhd(e),K.mdia(e))}static trex(e){const t=e.id;return K.box(K.types.trex,new Uint8Array([0,0,0,0,t>>24,t>>16&255,t>>8&255,t&255,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]))}static trun(e,t){const i=e.samples||[],s=i.length,n=12+16*s,r=new Uint8Array(n);let o,u,l,d,h,m;for(t+=8+n,r.set([e.type==="video"?1:0,0,15,1,s>>>24&255,s>>>16&255,s>>>8&255,s&255,t>>>24&255,t>>>16&255,t>>>8&255,t&255],0),o=0;o<s;o++)u=i[o],l=u.duration,d=u.size,h=u.flags,m=u.cts,r.set([l>>>24&255,l>>>16&255,l>>>8&255,l&255,d>>>24&255,d>>>16&255,d>>>8&255,d&255,h.isLeading<<2|h.dependsOn,h.isDependedOn<<6|h.hasRedundancy<<4|h.paddingValue<<1|h.isNonSync,h.degradPrio&61440,h.degradPrio&15,m>>>24&255,m>>>16&255,m>>>8&255,m&255],12+16*o);return K.box(K.types.trun,r)}static initSegment(e){K.types||K.init();const t=K.moov(e);return Dt(K.FTYP,t)}static hvc1(e){const t=e.params,i=[e.vps,e.sps,e.pps],s=4,n=new Uint8Array([1,t.general_profile_space<<6|(t.general_tier_flag?32:0)|t.general_profile_idc,t.general_profile_compatibility_flags[0],t.general_profile_compatibility_flags[1],t.general_profile_compatibility_flags[2],t.general_profile_compatibility_flags[3],t.general_constraint_indicator_flags[0],t.general_constraint_indicator_flags[1],t.general_constraint_indicator_flags[2],t.general_constraint_indicator_flags[3],t.general_constraint_indicator_flags[4],t.general_constraint_indicator_flags[5],t.general_level_idc,240|t.min_spatial_segmentation_idc>>8,255&t.min_spatial_segmentation_idc,252|t.parallelismType,252|t.chroma_format_idc,248|t.bit_depth_luma_minus8,248|t.bit_depth_chroma_minus8,0,parseInt(t.frame_rate.fps),s-1|t.temporal_id_nested<<2|t.num_temporal_layers<<3|(t.frame_rate.fixed?64:0),i.length]);let r=n.length;for(let E=0;E<i.length;E+=1){r+=3;for(let S=0;S<i[E].length;S+=1)r+=2+i[E][S].length}const o=new Uint8Array(r);o.set(n,0),r=n.length;const u=i.length-1;for(let E=0;E<i.length;E+=1){o.set(new Uint8Array([32+E|(E===u?128:0),0,i[E].length]),r),r+=3;for(let S=0;S<i[E].length;S+=1)o.set(new Uint8Array([i[E][S].length>>8,i[E][S].length&255]),r),r+=2,o.set(i[E][S],r),r+=i[E][S].length}const l=K.box(K.types.hvcC,o),d=e.width,h=e.height,m=e.pixelRatio[0],v=e.pixelRatio[1];return K.box(K.types.hvc1,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,d>>8&255,d&255,h>>8&255,h&255,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,100,97,105,108,121,109,111,116,105,111,110,47,104,108,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),l,K.box(K.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])),K.box(K.types.pasp,new Uint8Array([m>>24,m>>16&255,m>>8&255,m&255,v>>24,v>>16&255,v>>8&255,v&255])))}}K.types=void 0,K.HDLR_TYPES=void 0,K.STTS=void 0,K.STSC=void 0,K.STCO=void 0,K.STSZ=void 0,K.VMHD=void 0,K.SMHD=void 0,K.STSD=void 0,K.FTYP=void 0,K.DINF=void 0;const Ha=9e4;function Qr(a,e,t=1,i=!1){const s=a*e*t;return i?Math.round(s):s}function Bl(a,e,t=1,i=!1){return Qr(a,e,1/t,i)}function er(a,e=!1){return Qr(a,1e3,1/Ha,e)}function Nl(a,e=1){return Qr(a,Ha,1/e)}const Ul=10*1e3,$l=1024,Gl=1152,Vl=1536;let On=null,Jr=null;function Wa(a,e,t,i){return{duration:e,size:t,cts:i,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:a?2:1,isNonSync:a?0:1}}}class xr{constructor(e,t,i,s){if(this.logger=void 0,this.observer=void 0,this.config=void 0,this.typeSupported=void 0,this.ISGenerated=!1,this._initPTS=null,this._initDTS=null,this.nextAvcDts=null,this.nextAudioPts=null,this.videoSampleDuration=null,this.isAudioContiguous=!1,this.isVideoContiguous=!1,this.videoTrackConfig=void 0,this.observer=e,this.config=t,this.typeSupported=i,this.logger=s,this.ISGenerated=!1,On===null){const r=(navigator.userAgent||"").match(/Chrome\/(\d+)/i);On=r?parseInt(r[1]):0}if(Jr===null){const n=navigator.userAgent.match(/Safari\/(\d+)/i);Jr=n?parseInt(n[1]):0}}destroy(){this.config=this.videoTrackConfig=this._initPTS=this._initDTS=null}resetTimeStamp(e){this.logger.log("[mp4-remuxer]: initPTS & initDTS reset"),this._initPTS=this._initDTS=e}resetNextTimestamp(){this.logger.log("[mp4-remuxer]: reset next timestamp"),this.isVideoContiguous=!1,this.isAudioContiguous=!1}resetInitSegment(){this.logger.log("[mp4-remuxer]: ISGenerated flag reset"),this.ISGenerated=!1,this.videoTrackConfig=void 0}getVideoStartPts(e){let t=!1;const i=e[0].pts,s=e.reduce((n,r)=>{let o=r.pts,u=o-n;return u<-4294967296&&(t=!0,o=Ns(o,i),u=o-n),u>0?n:o},i);return t&&this.logger.debug("PTS rollover detected"),s}remux(e,t,i,s,n,r,o,u){let l,d,h,m,v,E,S=n,_=n;const x=e.pid>-1,R=t.pid>-1,L=t.samples.length,B=e.samples.length>0,N=o&&L>0||L>1;if((!x||B)&&(!R||N)||this.ISGenerated||o){if(this.ISGenerated){var U,z,le,V;const Ot=this.videoTrackConfig;(Ot&&(t.width!==Ot.width||t.height!==Ot.height||((U=t.pixelRatio)==null?void 0:U[0])!==((z=Ot.pixelRatio)==null?void 0:z[0])||((le=t.pixelRatio)==null?void 0:le[1])!==((V=Ot.pixelRatio)==null?void 0:V[1]))||!Ot&&N||this.nextAudioPts===null&&B)&&this.resetInitSegment()}this.ISGenerated||(h=this.generateIS(e,t,n,r));const Ae=this.isVideoContiguous;let Ue=-1,li;if(N&&(Ue=Kl(t.samples),!Ae&&this.config.forceKeyFrameOnDiscontinuity))if(E=!0,Ue>0){this.logger.warn(`[mp4-remuxer]: Dropped ${Ue} out of ${L} video samples due to a missing keyframe`);const Ot=this.getVideoStartPts(t.samples);t.samples=t.samples.slice(Ue),t.dropped+=Ue,_+=(t.samples[0].pts-Ot)/t.inputTimeScale,li=_}else Ue===-1&&(this.logger.warn(`[mp4-remuxer]: No keyframe found out of ${L} video samples`),E=!1);if(this.ISGenerated){if(B&&N){const Ot=this.getVideoStartPts(t.samples),rt=(Ns(e.samples[0].pts,Ot)-Ot)/t.inputTimeScale;S+=Math.max(0,rt),_+=Math.max(0,-rt)}if(B){if(e.samplerate||(this.logger.warn("[mp4-remuxer]: regenerate InitSegment as audio detected"),h=this.generateIS(e,t,n,r)),d=this.remuxAudio(e,S,this.isAudioContiguous,r,R||N||u===oe.AUDIO?_:void 0),N){const Ot=d?d.endPTS-d.startPTS:0;t.inputTimeScale||(this.logger.warn("[mp4-remuxer]: regenerate InitSegment as video detected"),h=this.generateIS(e,t,n,r)),l=this.remuxVideo(t,_,Ae,Ot)}}else N&&(l=this.remuxVideo(t,_,Ae,0));l&&(l.firstKeyFrame=Ue,l.independent=Ue!==-1,l.firstKeyFramePTS=li)}}return this.ISGenerated&&this._initPTS&&this._initDTS&&(i.samples.length&&(v=ja(i,n,this._initPTS,this._initDTS)),s.samples.length&&(m=za(s,n,this._initPTS))),{audio:d,video:l,initSegment:h,independent:E,text:m,id3:v}}generateIS(e,t,i,s){const n=e.samples,r=t.samples,o=this.typeSupported,u={},l=this._initPTS;let d=!l||s,h="audio/mp4",m,v,E;if(d&&(m=v=1/0),e.config&&n.length){switch(e.timescale=e.samplerate,e.segmentCodec){case"mp3":o.mpeg?(h="audio/mpeg",e.codec=""):o.mp3&&(e.codec="mp3");break;case"ac3":e.codec="ac-3";break}u.audio={id:"audio",container:h,codec:e.codec,initSegment:e.segmentCodec==="mp3"&&o.mpeg?new Uint8Array(0):K.initSegment([e]),metadata:{channelCount:e.channelCount}},d&&(E=e.inputTimeScale,!l||E!==l.timescale?m=v=n[0].pts-Math.round(E*i):d=!1)}if(t.sps&&t.pps&&r.length){if(t.timescale=t.inputTimeScale,u.video={id:"main",container:"video/mp4",codec:t.codec,initSegment:K.initSegment([t]),metadata:{width:t.width,height:t.height}},d)if(E=t.inputTimeScale,!l||E!==l.timescale){const S=this.getVideoStartPts(r),_=Math.round(E*i);v=Math.min(v,Ns(r[0].dts,S)-_),m=Math.min(m,S-_)}else d=!1;this.videoTrackConfig={width:t.width,height:t.height,pixelRatio:t.pixelRatio}}if(Object.keys(u).length)return this.ISGenerated=!0,d?(this._initPTS={baseTime:m,timescale:E},this._initDTS={baseTime:v,timescale:E}):m=E=void 0,{tracks:u,initPTS:m,timescale:E}}remuxVideo(e,t,i,s){const n=e.inputTimeScale,r=e.samples,o=[],u=r.length,l=this._initPTS;let d=this.nextAvcDts,h=8,m=this.videoSampleDuration,v,E,S=Number.POSITIVE_INFINITY,_=Number.NEGATIVE_INFINITY,x=!1;if(!i||d===null){const be=t*n,De=r[0].pts-Ns(r[0].dts,r[0].pts);On&&d!==null&&Math.abs(be-De-d)<15e3?i=!0:d=be-De}const R=l.baseTime*n/l.timescale;for(let be=0;be<u;be++){const De=r[be];De.pts=Ns(De.pts-R,d),De.dts=Ns(De.dts-R,d),De.dts<r[be>0?be-1:be].dts&&(x=!0)}x&&r.sort(function(be,De){const Ht=be.dts-De.dts,Nt=be.pts-De.pts;return Ht||Nt}),v=r[0].dts,E=r[r.length-1].dts;const L=E-v,B=L?Math.round(L/(u-1)):m||e.inputTimeScale/30;if(i){const be=v-d,De=be>B,Ht=be<-1;if((De||Ht)&&(De?this.logger.warn(`${(e.segmentCodec||"").toUpperCase()}: ${er(be,!0)} ms (${be}dts) hole between fragments detected at ${t.toFixed(3)}`):this.logger.warn(`${(e.segmentCodec||"").toUpperCase()}: ${er(-be,!0)} ms (${be}dts) overlapping between fragments detected at ${t.toFixed(3)}`),!Ht||d>=r[0].pts||On)){v=d;const Nt=r[0].pts-be;if(De)r[0].dts=v,r[0].pts=Nt;else{let ai=!0;for(let Ti=0;Ti<r.length&&!(r[Ti].dts>Nt&&ai);Ti++){const Ci=r[Ti].pts;if(r[Ti].dts-=be,r[Ti].pts-=be,Ti<r.length-1){const Mi=r[Ti+1].pts,Rs=r[Ti].pts,Ds=Mi<=Rs,vn=Mi<=Ci;ai=Ds==vn}}}this.logger.log(`Video: Initial PTS/DTS adjusted: ${er(Nt,!0)}/${er(v,!0)}, delta: ${er(be,!0)} ms`)}}v=Math.max(0,v);let N=0,te=0,U=v;for(let be=0;be<u;be++){const De=r[be],Ht=De.units,Nt=Ht.length;let ai=0;for(let Ti=0;Ti<Nt;Ti++)ai+=Ht[Ti].data.length;te+=ai,N+=Nt,De.length=ai,De.dts<U?(De.dts=U,U+=B/4|0||1):U=De.dts,S=Math.min(De.pts,S),_=Math.max(De.pts,_)}E=r[u-1].dts;const z=te+4*N+8;let le;try{le=new Uint8Array(z)}catch(be){this.observer.emit(g.ERROR,g.ERROR,{type:Z.MUX_ERROR,details:A.REMUX_ALLOC_ERROR,fatal:!1,error:be,bytes:z,reason:`fail allocating video mdat ${z}`});return}const V=new DataView(le.buffer);V.setUint32(0,z),le.set(K.types.mdat,4);let Ae=!1,Ue=Number.POSITIVE_INFINITY,li=Number.POSITIVE_INFINITY,Ot=Number.NEGATIVE_INFINITY,_t=Number.NEGATIVE_INFINITY;for(let be=0;be<u;be++){const De=r[be],Ht=De.units;let Nt=0;for(let Ci=0,Mi=Ht.length;Ci<Mi;Ci++){const Rs=Ht[Ci],Ds=Rs.data,vn=Rs.data.byteLength;V.setUint32(h,vn),h+=4,le.set(Ds,h),h+=vn,Nt+=4+vn}let ai;if(be<u-1)m=r[be+1].dts-De.dts,ai=r[be+1].pts-De.pts;else{const Ci=this.config,Mi=be>0?De.dts-r[be-1].dts:B;if(ai=be>0?De.pts-r[be-1].pts:B,Ci.stretchShortVideoTrack&&this.nextAudioPts!==null){const Rs=Math.floor(Ci.maxBufferHole*n),Ds=(s?S+s*n:this.nextAudioPts)-De.pts;Ds>Rs?(m=Ds-Mi,m<0?m=Mi:Ae=!0,this.logger.log(`[mp4-remuxer]: It is approximately ${Ds/90} ms to the next segment; using duration ${m/90} ms for the last video frame.`)):m=Mi}else m=Mi}const Ti=Math.round(De.pts-De.dts);Ue=Math.min(Ue,m),Ot=Math.max(Ot,m),li=Math.min(li,ai),_t=Math.max(_t,ai),o.push(Wa(De.key,m,Nt,Ti))}if(o.length){if(On){if(On<70){const be=o[0].flags;be.dependsOn=2,be.isNonSync=0}}else if(Jr&&_t-li<Ot-Ue&&B/Ot<.025&&o[0].cts===0){this.logger.warn("Found irregular gaps in sample duration. Using PTS instead of DTS to determine MP4 sample duration.");let be=v;for(let De=0,Ht=o.length;De<Ht;De++){const Nt=be+o[De].duration,ai=be+o[De].cts;if(De<Ht-1){const Ti=Nt+o[De+1].cts;o[De].duration=Ti-ai}else o[De].duration=De?o[De-1].duration:B;o[De].cts=0,be=Nt}}}m=Ae||!m?B:m,this.nextAvcDts=d=E+m,this.videoSampleDuration=m,this.isVideoContiguous=!0;const pt={data1:K.moof(e.sequenceNumber++,v,Le(e,{samples:o})),data2:le,startPTS:S/n,endPTS:(_+m)/n,startDTS:v/n,endDTS:d/n,type:"video",hasAudio:!1,hasVideo:!0,nb:o.length,dropped:e.dropped};return e.samples=[],e.dropped=0,pt}getSamplesPerFrame(e){switch(e.segmentCodec){case"mp3":return Gl;case"ac3":return Vl;default:return $l}}remuxAudio(e,t,i,s,n){const r=e.inputTimeScale,o=e.samplerate?e.samplerate:r,u=r/o,l=this.getSamplesPerFrame(e),d=l*u,h=this._initPTS,m=e.segmentCodec==="mp3"&&this.typeSupported.mpeg,v=[],E=n!==void 0;let S=e.samples,_=m?0:8,x=this.nextAudioPts||-1;const R=t*r,L=h.baseTime*r/h.timescale;if(this.isAudioContiguous=i=i||S.length&&x>0&&(s&&Math.abs(R-x)<9e3||Math.abs(Ns(S[0].pts-L,R)-x)<20*d),S.forEach(function(rt){rt.pts=Ns(rt.pts-L,R)}),!i||x<0){if(S=S.filter(rt=>rt.pts>=0),!S.length)return;n===0?x=0:s&&!E?x=Math.max(0,R):x=S[0].pts}if(e.segmentCodec==="aac"){const rt=this.config.maxAudioFramesDrift;for(let St=0,pt=x;St<S.length;St++){const be=S[St],De=be.pts,Ht=De-pt,Nt=Math.abs(1e3*Ht/r);if(Ht<=-rt*d&&E)St===0&&(this.logger.warn(`Audio frame @ ${(De/r).toFixed(3)}s overlaps nextAudioPts by ${Math.round(1e3*Ht/r)} ms.`),this.nextAudioPts=x=pt=De);else if(Ht>=rt*d&&Nt<Ul&&E){let ai=Math.round(Ht/d);pt=De-ai*d,pt<0&&(ai--,pt+=d),St===0&&(this.nextAudioPts=x=pt),this.logger.warn(`[mp4-remuxer]: Injecting ${ai} audio frame @ ${(pt/r).toFixed(3)}s due to ${Math.round(1e3*Ht/r)} ms gap.`);for(let Ti=0;Ti<ai;Ti++){const Ci=Math.max(pt,0);let Mi=Ml.getSilentFrame(e.parsedCodec||e.manifestCodec||e.codec,e.channelCount);Mi||(this.logger.log("[mp4-remuxer]: Unable to get silent frame for given audio codec; duplicating last frame instead."),Mi=be.unit.subarray()),S.splice(St,0,{unit:Mi,pts:Ci}),pt+=d,St++}}be.pts=pt,pt+=d}}let B=null,N=null,te,U=0,z=S.length;for(;z--;)U+=S[z].unit.byteLength;for(let rt=0,St=S.length;rt<St;rt++){const pt=S[rt],be=pt.unit;let De=pt.pts;if(N!==null){const Nt=v[rt-1];Nt.duration=Math.round((De-N)/u)}else if(i&&e.segmentCodec==="aac"&&(De=x),B=De,U>0){U+=_;try{te=new Uint8Array(U)}catch(Nt){this.observer.emit(g.ERROR,g.ERROR,{type:Z.MUX_ERROR,details:A.REMUX_ALLOC_ERROR,fatal:!1,error:Nt,bytes:U,reason:`fail allocating audio mdat ${U}`});return}m||(new DataView(te.buffer).setUint32(0,U),te.set(K.types.mdat,4))}else return;te.set(be,_);const Ht=be.byteLength;_+=Ht,v.push(Wa(!0,l,Ht,0)),N=De}const le=v.length;if(!le)return;const V=v[v.length-1];this.nextAudioPts=x=N+u*V.duration;const Ae=m?new Uint8Array(0):K.moof(e.sequenceNumber++,B/u,Le({},e,{samples:v}));e.samples=[];const Ue=B/r,li=x/r,_t={data1:Ae,data2:te,startPTS:Ue,endPTS:li,startDTS:Ue,endDTS:li,type:"audio",hasAudio:!0,hasVideo:!1,nb:le};return this.isAudioContiguous=!0,_t}}function Ns(a,e){let t;if(e===null)return a;for(e<a?t=-8589934592:t=8589934592;Math.abs(a-e)>4294967296;)a+=t;return a}function Kl(a){for(let e=0;e<a.length;e++)if(a[e].key)return e;return-1}function ja(a,e,t,i){const s=a.samples.length;if(!s)return;const n=a.inputTimeScale;for(let o=0;o<s;o++){const u=a.samples[o];u.pts=Ns(u.pts-t.baseTime*n/t.timescale,e*n)/n,u.dts=Ns(u.dts-i.baseTime*n/i.timescale,e*n)/n}const r=a.samples;return a.samples=[],{samples:r}}function za(a,e,t){const i=a.samples.length;if(!i)return;const s=a.inputTimeScale;for(let r=0;r<i;r++){const o=a.samples[r];o.pts=Ns(o.pts-t.baseTime*s/t.timescale,e*s)/s}a.samples.sort((r,o)=>r.pts-o.pts);const n=a.samples;return a.samples=[],{samples:n}}class Hl{constructor(e,t,i,s){this.logger=void 0,this.emitInitSegment=!1,this.audioCodec=void 0,this.videoCodec=void 0,this.initData=void 0,this.initPTS=null,this.initTracks=void 0,this.lastEndTime=null,this.logger=s}destroy(){}resetTimeStamp(e){this.initPTS=e,this.lastEndTime=null}resetNextTimestamp(){this.lastEndTime=null}resetInitSegment(e,t,i,s){this.audioCodec=t,this.videoCodec=i,this.generateInitSegment(k(e,s)),this.emitInitSegment=!0}generateInitSegment(e){let{audioCodec:t,videoCodec:i}=this;if(!(e!=null&&e.byteLength)){this.initTracks=void 0,this.initData=void 0;return}const s=this.initData=Oe(e);s.audio&&(t=Ya(s.audio,ye.AUDIO)),s.video&&(i=Ya(s.video,ye.VIDEO));const n={};s.audio&&s.video?n.audiovideo={container:"video/mp4",codec:t+","+i,supplemental:s.video.supplemental,initSegment:e,id:"main"}:s.audio?n.audio={container:"audio/mp4",codec:t,initSegment:e,id:"audio"}:s.video?n.video={container:"video/mp4",codec:i,supplemental:s.video.supplemental,initSegment:e,id:"main"}:this.logger.warn("[passthrough-remuxer.ts]: initSegment does not contain moov or trak boxes."),this.initTracks=n}remux(e,t,i,s,n,r){var o,u;let{initPTS:l,lastEndTime:d}=this;const h={audio:void 0,video:void 0,text:s,id3:i,initSegment:void 0};b(d)||(d=this.lastEndTime=n||0);const m=t.samples;if(!(m!=null&&m.length))return h;const v={initPTS:void 0,timescale:1};let E=this.initData;if((o=E)!=null&&o.length||(this.generateInitSegment(m),E=this.initData),!((u=E)!=null&&u.length))return this.logger.warn("[passthrough-remuxer.ts]: Failed to generate initSegment."),h;this.emitInitSegment&&(v.tracks=this.initTracks,this.emitInitSegment=!1);const S=Ge(m,E),_=ze(E,m),x=_===null?n:_;(r||!l)&&(Wl(l,x,n,S)||v.timescale!==l.timescale)&&(v.initPTS=x-n,l&&l.timescale===1&&this.logger.warn(`Adjusting initPTS @${n} from ${l.baseTime/l.timescale} to ${v.initPTS}`),this.initPTS=l={baseTime:v.initPTS,timescale:1});const R=e?x-l.baseTime/l.timescale:d,L=R+S;ui(E,m,l.baseTime/l.timescale),S>0?this.lastEndTime=L:(this.logger.warn("Duration parsed from mp4 should be greater than zero"),this.resetNextTimestamp());const B=!!E.audio,N=!!E.video;let te="";B&&(te+="audio"),N&&(te+="video");const U={data1:m,startPTS:R,startDTS:R,endPTS:L,endDTS:L,type:te,hasAudio:B,hasVideo:N,nb:1,dropped:0};return h.audio=U.type==="audio"?U:void 0,h.video=U.type!=="audio"?U:void 0,h.initSegment=v,h.id3=ja(i,n,l,l),s.samples.length&&(h.text=za(s,n,l)),h}}function Wl(a,e,t,i){if(a===null)return!0;const s=Math.max(i,1),n=e-a.baseTime/a.timescale;return Math.abs(n-t)>s}function Ya(a,e){const t=a==null?void 0:a.codec;return t&&t.length>4?t:e===ye.AUDIO?t==="ec-3"||t==="ac-3"||t==="alac"?t:t==="fLaC"||t==="Opus"?ci(t,!1):(Y.warn(`Unhandled audio codec "${t}" in mp4 MAP`),t||"mp4a"):(Y.warn(`Unhandled video codec "${t}" in mp4 MAP`),t||"avc1")}let un;try{un=self.performance.now.bind(self.performance)}catch(a){un=Date.now}const Ar=[{demux:kl,remux:Hl},{demux:fn,remux:xr},{demux:Il,remux:xr},{demux:Dl,remux:xr}];Ar.splice(2,0,{demux:Cl,remux:xr});class Za{constructor(e,t,i,s,n,r){this.asyncResult=!1,this.logger=void 0,this.observer=void 0,this.typeSupported=void 0,this.config=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.observer=e,this.typeSupported=t,this.config=i,this.id=n,this.logger=r}configure(e){this.transmuxConfig=e,this.decrypter&&this.decrypter.reset()}push(e,t,i,s){const n=i.transmuxing;n.executeStart=un();let r=new Uint8Array(e);const{currentTransmuxState:o,transmuxConfig:u}=this;s&&(this.currentTransmuxState=s);const{contiguous:l,discontinuity:d,trackSwitch:h,accurateTimeOffset:m,timeOffset:v,initSegmentChange:E}=s||o,{audioCodec:S,videoCodec:_,defaultInitPts:x,duration:R,initSegmentData:L}=u,B=jl(r,t);if(B&&Ss(B.method)){const z=this.getDecrypter(),le=Ts(B.method);if(z.isSync()){let V=z.softwareDecrypt(r,B.key.buffer,B.iv.buffer,le);if(i.part>-1){const Ue=z.flush();V=Ue&&Ue.buffer}if(!V)return n.executeEnd=un(),ea(i);r=new Uint8Array(V)}else return this.asyncResult=!0,this.decryptionPromise=z.webCryptoDecrypt(r,B.key.buffer,B.iv.buffer,le).then(V=>{const Ae=this.push(V,null,i);return this.decryptionPromise=null,Ae}),this.decryptionPromise}const N=this.needsProbing(d,h);if(N){const z=this.configureTransmuxer(r);if(z)return this.logger.warn(`[transmuxer] ${z.message}`),this.observer.emit(g.ERROR,g.ERROR,{type:Z.MEDIA_ERROR,details:A.FRAG_PARSING_ERROR,fatal:!1,error:z,reason:z.message}),n.executeEnd=un(),ea(i)}(d||h||E||N)&&this.resetInitSegment(L,S,_,R,t),(d||E||N)&&this.resetInitialTimestamp(x),l||this.resetContiguity();const te=this.transmux(r,B,v,m,i);this.asyncResult=tr(te);const U=this.currentTransmuxState;return U.contiguous=!0,U.discontinuity=!1,U.trackSwitch=!1,n.executeEnd=un(),te}flush(e){const t=e.transmuxing;t.executeStart=un();const{decrypter:i,currentTransmuxState:s,decryptionPromise:n}=this;if(n)return this.asyncResult=!0,n.then(()=>this.flush(e));const r=[],{timeOffset:o}=s;if(i){const h=i.flush();h&&r.push(this.push(h.buffer,null,e))}const{demuxer:u,remuxer:l}=this;if(!u||!l){t.executeEnd=un();const h=[ea(e)];return this.asyncResult?Promise.resolve(h):h}const d=u.flush(o);return tr(d)?(this.asyncResult=!0,d.then(h=>(this.flushRemux(r,h,e),r))):(this.flushRemux(r,d,e),this.asyncResult?Promise.resolve(r):r)}flushRemux(e,t,i){const{audioTrack:s,videoTrack:n,id3Track:r,textTrack:o}=t,{accurateTimeOffset:u,timeOffset:l}=this.currentTransmuxState;this.logger.log(`[transmuxer.ts]: Flushed ${this.id} sn: ${i.sn}${i.part>-1?" part: "+i.part:""} of ${this.id===oe.MAIN?"level":"track"} ${i.level}`);const d=this.remuxer.remux(s,n,r,o,l,u,!0,this.id);e.push({remuxResult:d,chunkMeta:i}),i.transmuxing.executeEnd=un()}resetInitialTimestamp(e){const{demuxer:t,remuxer:i}=this;!t||!i||(t.resetTimeStamp(e),i.resetTimeStamp(e))}resetContiguity(){const{demuxer:e,remuxer:t}=this;!e||!t||(e.resetContiguity(),t.resetNextTimestamp())}resetInitSegment(e,t,i,s,n){const{demuxer:r,remuxer:o}=this;!r||!o||(r.resetInitSegment(e,t,i,s),o.resetInitSegment(e,t,i,n))}destroy(){this.demuxer&&(this.demuxer.destroy(),this.demuxer=void 0),this.remuxer&&(this.remuxer.destroy(),this.remuxer=void 0)}transmux(e,t,i,s,n){let r;return t&&t.method==="SAMPLE-AES"?r=this.transmuxSampleAes(e,t,i,s,n):r=this.transmuxUnencrypted(e,i,s,n),r}transmuxUnencrypted(e,t,i,s){const{audioTrack:n,videoTrack:r,id3Track:o,textTrack:u}=this.demuxer.demux(e,t,!1,!this.config.progressive);return{remuxResult:this.remuxer.remux(n,r,o,u,t,i,!1,this.id),chunkMeta:s}}transmuxSampleAes(e,t,i,s,n){return this.demuxer.demuxSampleAes(e,t,i).then(r=>({remuxResult:this.remuxer.remux(r.audioTrack,r.videoTrack,r.id3Track,r.textTrack,i,s,!1,this.id),chunkMeta:n}))}configureTransmuxer(e){const{config:t,observer:i,typeSupported:s}=this;let n;for(let h=0,m=Ar.length;h<m;h++){var r;if((r=Ar[h].demux)!=null&&r.probe(e,this.logger)){n=Ar[h];break}}if(!n)return new Error("Failed to find demuxer by probing fragment data");const o=this.demuxer,u=this.remuxer,l=n.remux,d=n.demux;(!u||!(u instanceof l))&&(this.remuxer=new l(i,t,s,this.logger)),(!o||!(o instanceof d))&&(this.demuxer=new d(i,t,s,this.logger),this.probe=d.probe)}needsProbing(e,t){return!this.demuxer||!this.remuxer||e||t}getDecrypter(){let e=this.decrypter;return e||(e=this.decrypter=new As(this.config)),e}}function jl(a,e){let t=null;return a.byteLength>0&&(e==null?void 0:e.key)!=null&&e.iv!==null&&e.method!=null&&(t=e),t}const ea=a=>({remuxResult:{},chunkMeta:a});function tr(a){return"then"in a&&a.then instanceof Function}class zl{constructor(e,t,i,s,n){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=i,this.duration=s,this.defaultInitPts=n||null}}class Yl{constructor(e,t,i,s,n,r){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=i,this.trackSwitch=s,this.timeOffset=n,this.initSegmentChange=r}}let qa=0;class Xa{constructor(e,t,i,s){this.error=null,this.hls=void 0,this.id=void 0,this.instanceNo=qa++,this.observer=void 0,this.frag=null,this.part=null,this.useWorker=void 0,this.workerContext=null,this.transmuxer=null,this.onTransmuxComplete=void 0,this.onFlush=void 0,this.onWorkerMessage=u=>{const l=u.data,d=this.hls;if(!(!d||!(l!=null&&l.event)||l.instanceNo!==this.instanceNo))switch(l.event){case"init":{var h;const m=(h=this.workerContext)==null?void 0:h.objectURL;m&&self.URL.revokeObjectURL(m);break}case"transmuxComplete":{this.handleTransmuxComplete(l.data);break}case"flush":{this.onFlush(l.data);break}case"workerLog":{d.logger[l.data.logType]&&d.logger[l.data.logType](l.data.message);break}default:{l.data=l.data||{},l.data.frag=this.frag,l.data.part=this.part,l.data.id=this.id,d.trigger(l.event,l.data);break}}},this.onWorkerError=u=>{if(!this.hls)return;const l=new Error(`${u.message} (${u.filename}:${u.lineno})`);this.hls.config.enableWorker=!1,this.hls.logger.warn(`Error in "${this.id}" Web Worker, fallback to inline`),this.hls.trigger(g.ERROR,{type:Z.OTHER_ERROR,details:A.INTERNAL_EXCEPTION,fatal:!1,event:"demuxerWorker",error:l})};const n=e.config;this.hls=e,this.id=t,this.useWorker=!!n.enableWorker,this.onTransmuxComplete=i,this.onFlush=s;const r=(u,l)=>{l=l||{},l.frag=this.frag||void 0,u===g.ERROR&&(l=l,l.parent=this.id,l.part=this.part,this.error=l.error),this.hls.trigger(u,l)};this.observer=new qn,this.observer.on(g.FRAG_DECRYPTED,r),this.observer.on(g.ERROR,r);const o=c(n.preferManagedMediaSource);if(this.useWorker&&typeof Worker!="undefined"){const u=this.hls.logger;if(n.workerPath||Xo()){try{n.workerPath?(u.log(`loading Web Worker ${n.workerPath} for "${t}"`),this.workerContext=Jo(n.workerPath)):(u.log(`injecting Web Worker for "${t}"`),this.workerContext=Qo());const{worker:d}=this.workerContext;d.addEventListener("message",this.onWorkerMessage),d.addEventListener("error",this.onWorkerError),d.postMessage({instanceNo:this.instanceNo,cmd:"init",typeSupported:o,id:t,config:Et(n)})}catch(d){u.warn(`Error setting up "${t}" Web Worker, fallback to inline`,d),this.terminateWorker(),this.error=null,this.transmuxer=new Za(this.observer,o,n,"",t,e.logger)}return}}this.transmuxer=new Za(this.observer,o,n,"",t,e.logger)}reset(){if(this.frag=null,this.part=null,this.workerContext){const e=this.instanceNo;this.instanceNo=qa++;const t=this.hls.config,i=c(t.preferManagedMediaSource);this.workerContext.worker.postMessage({instanceNo:this.instanceNo,cmd:"reset",resetNo:e,typeSupported:i,id:this.id,config:Et(t)})}}terminateWorker(){if(this.workerContext){const{worker:e}=this.workerContext;this.workerContext=null,e.removeEventListener("message",this.onWorkerMessage),e.removeEventListener("error",this.onWorkerError),el(this.hls.config.workerPath)}}destroy(){if(this.workerContext)this.terminateWorker(),this.onWorkerMessage=this.onWorkerError=null;else{const t=this.transmuxer;t&&(t.destroy(),this.transmuxer=null)}const e=this.observer;e&&e.removeAllListeners(),this.frag=null,this.part=null,this.observer=null,this.hls=null}push(e,t,i,s,n,r,o,u,l,d){var h,m;l.transmuxing.start=self.performance.now();const{instanceNo:v,transmuxer:E}=this,S=r?r.start:n.start,_=n.decryptdata,x=this.frag,R=!(x&&n.cc===x.cc),L=!(x&&l.level===x.level),B=x?l.sn-x.sn:-1,N=this.part?l.part-this.part.index:-1,te=B===0&&l.id>1&&l.id===(x==null?void 0:x.stats.chunkCount),U=!L&&(B===1||B===0&&(N===1||te&&N<=0)),z=self.performance.now();(L||B||n.stats.parsing.start===0)&&(n.stats.parsing.start=z),r&&(N||!U)&&(r.stats.parsing.start=z);const le=!(x&&((h=n.initSegment)==null?void 0:h.url)===((m=x.initSegment)==null?void 0:m.url)),V=new Yl(R,U,u,L,S,le);if(!U||R||le){this.hls.logger.log(`[transmuxer-interface]: Starting new transmux session for ${n.type} sn: ${l.sn}${l.part>-1?" part: "+l.part:""} ${this.id===oe.MAIN?"level":"track"}: ${l.level} id: ${l.id}
|
|
discontinuity: ${R}
|
|
trackSwitch: ${L}
|
|
contiguous: ${U}
|
|
accurateTimeOffset: ${u}
|
|
timeOffset: ${S}
|
|
initSegmentChange: ${le}`);const Ae=new zl(i,s,t,o,d);this.configureTransmuxer(Ae)}if(this.frag=n,this.part=r,this.workerContext)this.workerContext.worker.postMessage({instanceNo:v,cmd:"demux",data:e,decryptdata:_,chunkMeta:l,state:V},e instanceof ArrayBuffer?[e]:[]);else if(E){const Ae=E.push(e,_,l,V);tr(Ae)?Ae.then(Ue=>{this.handleTransmuxComplete(Ue)}).catch(Ue=>{this.transmuxerError(Ue,l,"transmuxer-interface push error")}):this.handleTransmuxComplete(Ae)}}flush(e){e.transmuxing.start=self.performance.now();const{instanceNo:t,transmuxer:i}=this;if(this.workerContext)this.workerContext.worker.postMessage({instanceNo:t,cmd:"flush",chunkMeta:e});else if(i){const s=i.flush(e);tr(s)?s.then(n=>{this.handleFlushResult(n,e)}).catch(n=>{this.transmuxerError(n,e,"transmuxer-interface flush error")}):this.handleFlushResult(s,e)}}transmuxerError(e,t,i){this.hls&&(this.error=e,this.hls.trigger(g.ERROR,{type:Z.MEDIA_ERROR,details:A.FRAG_PARSING_ERROR,chunkMeta:t,frag:this.frag||void 0,part:this.part||void 0,fatal:!1,error:e,err:e,reason:i}))}handleFlushResult(e,t){e.forEach(i=>{this.handleTransmuxComplete(i)}),this.onFlush(t)}configureTransmuxer(e){const{instanceNo:t,transmuxer:i}=this;this.workerContext?this.workerContext.worker.postMessage({instanceNo:t,cmd:"configure",config:e}):i&&i.configure(e)}handleTransmuxComplete(e){e.chunkMeta.transmuxing.end=self.performance.now(),this.onTransmuxComplete(e)}}const Qa=100;class Zl extends vs{constructor(e,t,i){super(e,t,i,"audio-stream-controller",oe.AUDIO),this.mainAnchor=null,this.mainFragLoading=null,this.audioOnly=!1,this.bufferedTrack=null,this.switchingTrack=null,this.trackId=-1,this.waitingData=null,this.mainDetails=null,this.flushing=!1,this.bufferFlushed=!1,this.cachedTrackLoadedData=null,this.registerListeners()}onHandlerDestroying(){this.unregisterListeners(),super.onHandlerDestroying(),this.resetItem()}resetItem(){this.mainDetails=this.mainAnchor=this.mainFragLoading=this.bufferedTrack=this.switchingTrack=this.waitingData=this.cachedTrackLoadedData=null}registerListeners(){super.registerListeners();const{hls:e}=this;e.on(g.LEVEL_LOADED,this.onLevelLoaded,this),e.on(g.AUDIO_TRACKS_UPDATED,this.onAudioTracksUpdated,this),e.on(g.AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),e.on(g.AUDIO_TRACK_LOADED,this.onAudioTrackLoaded,this),e.on(g.BUFFER_RESET,this.onBufferReset,this),e.on(g.BUFFER_CREATED,this.onBufferCreated,this),e.on(g.BUFFER_FLUSHING,this.onBufferFlushing,this),e.on(g.BUFFER_FLUSHED,this.onBufferFlushed,this),e.on(g.INIT_PTS_FOUND,this.onInitPtsFound,this),e.on(g.FRAG_LOADING,this.onFragLoading,this),e.on(g.FRAG_BUFFERED,this.onFragBuffered,this)}unregisterListeners(){const{hls:e}=this;e&&(super.unregisterListeners(),e.off(g.LEVEL_LOADED,this.onLevelLoaded,this),e.off(g.AUDIO_TRACKS_UPDATED,this.onAudioTracksUpdated,this),e.off(g.AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),e.off(g.AUDIO_TRACK_LOADED,this.onAudioTrackLoaded,this),e.off(g.BUFFER_RESET,this.onBufferReset,this),e.off(g.BUFFER_CREATED,this.onBufferCreated,this),e.off(g.BUFFER_FLUSHING,this.onBufferFlushing,this),e.off(g.BUFFER_FLUSHED,this.onBufferFlushed,this),e.off(g.INIT_PTS_FOUND,this.onInitPtsFound,this),e.off(g.FRAG_LOADING,this.onFragLoading,this),e.off(g.FRAG_BUFFERED,this.onFragBuffered,this))}onInitPtsFound(e,{frag:t,id:i,initPTS:s,timescale:n}){if(i===oe.MAIN){const r=t.cc,o=this.fragCurrent;if(this.initPTS[r]={baseTime:s,timescale:n},this.log(`InitPTS for cc: ${r} found from main: ${s}/${n}`),this.mainAnchor=t,this.state===re.WAITING_INIT_PTS){const u=this.waitingData;(!u&&!this.loadingParts||u&&u.frag.cc!==r)&&(this.nextLoadPosition=this.findSyncFrag(t).start),this.tick()}else!this.hls.hasEnoughToStart&&o&&o.cc!==r?(this.startFragRequested=!1,this.nextLoadPosition=this.findSyncFrag(t).start,o.abortRequests(),this.resetLoadingState()):this.state===re.IDLE&&this.tick()}}findSyncFrag(e){const t=this.getLevelDetails(),i=e.cc;return ni(t,i,e)||t&&Tt(t.fragments,i)||e}startLoad(e,t){if(!this.levels){this.startPosition=e,this.state=re.STOPPED;return}const i=this.lastCurrentTime;this.stopLoad(),this.setInterval(Qa),i>0&&e===-1?(this.log(`Override startPosition with lastCurrentTime @${i.toFixed(3)}`),e=i,this.state=re.IDLE):this.state=re.WAITING_TRACK,this.nextLoadPosition=this.lastCurrentTime=e+this.timelineOffset,this.startPosition=t?-1:e,this.tick()}doTick(){switch(this.state){case re.IDLE:this.doTickIdle();break;case re.WAITING_TRACK:{const{levels:t,trackId:i}=this,s=t==null?void 0:t[i],n=s==null?void 0:s.details;if(n&&!this.waitForLive(s)){if(this.waitForCdnTuneIn(n))break;this.state=re.WAITING_INIT_PTS}break}case re.FRAG_LOADING_WAITING_RETRY:{var e;const t=performance.now(),i=this.retryDate;if(!i||t>=i||(e=this.media)!=null&&e.seeking){const{levels:s,trackId:n}=this;this.log("RetryDate reached, switch back to IDLE state"),this.resetStartWhenNotLoaded((s==null?void 0:s[n])||null),this.state=re.IDLE}break}case re.WAITING_INIT_PTS:{const t=this.waitingData;if(t){const{frag:i,part:s,cache:n,complete:r}=t,o=this.mainAnchor;if(this.initPTS[i.cc]!==void 0){this.waitingData=null,this.state=re.FRAG_LOADING;const u=n.flush().buffer,l={frag:i,part:s,payload:u,networkDetails:null};this._handleFragmentLoadProgress(l),r&&super._handleFragmentLoadComplete(l)}else o&&o.cc!==t.frag.cc&&(this.log(`Waiting fragment cc (${i.cc}) cancelled because video is at cc ${o.cc}`),this.nextLoadPosition=this.findSyncFrag(o).start,this.clearWaitingFragment())}else this.state=re.IDLE}}this.onTickEnd()}clearWaitingFragment(){const e=this.waitingData;e&&(this.hls.hasEnoughToStart||(this.startFragRequested=!1),this.fragmentTracker.removeFragment(e.frag),this.waitingData=null,this.state!==re.STOPPED&&(this.state=re.IDLE))}resetLoadingState(){this.clearWaitingFragment(),super.resetLoadingState()}onTickEnd(){const{media:e}=this;e!=null&&e.readyState&&(this.lastCurrentTime=e.currentTime)}doTickIdle(){var e;const{hls:t,levels:i,media:s,trackId:n}=this,r=t.config;if(!this.buffering||!s&&!this.primaryPrefetch&&(this.startFragRequested||!r.startFragPrefetch)||!(i!=null&&i[n]))return;const o=i[n],u=o.details;if(!u||this.waitForLive(o)||this.waitForCdnTuneIn(u)){this.state=re.WAITING_TRACK,this.startFragRequested=!1;return}const l=this.mediaBuffer?this.mediaBuffer:this.media;this.bufferFlushed&&l&&(this.bufferFlushed=!1,this.afterBufferFlushed(l,ye.AUDIO,oe.AUDIO));const d=this.getFwdBufferInfo(l,oe.AUDIO);if(d===null)return;if(!this.switchingTrack&&this._streamEnded(d,u)){t.trigger(g.BUFFER_EOS,{type:"audio"}),this.state=re.ENDED;return}const h=d.len,m=t.maxBufferLength,v=u.fragments,E=v[0].start,S=this.getLoadPosition(),_=this.flushing?S:d.end;if(this.switchingTrack&&s){const L=S;u.PTSKnown&&L<E&&(d.end>E||d.nextStart)&&(this.log("Alt audio track ahead of main track, seek to start of alt audio track"),s.currentTime=E+.05)}if(h>=m&&!this.switchingTrack&&_<v[v.length-1].start)return;let x=this.getNextFragment(_,u);if(x&&this.isLoopLoading(x,_)&&(x=this.getNextFragmentLoopLoading(x,u,d,oe.MAIN,m)),!x){this.bufferFlushed=!0;return}let R=((e=this.mainFragLoading)==null?void 0:e.frag)||null;if(!this.audioOnly&&this.startFragRequested&&R&&We(x)&&!x.endList&&(!u.live||!this.loadingParts&&_<this.hls.liveSyncPosition)&&(this.fragmentTracker.getState(R)===Qt.OK&&(this.mainFragLoading=R=null),R&&We(R))){if(x.start>R.end){const B=this.fragmentTracker.getFragAtPos(_,oe.MAIN);B&&B.end>R.end&&(R=B,this.mainFragLoading={frag:B,targetBufferTime:null})}if(x.start>R.end)return}this.loadFragment(x,o,_)}onMediaDetaching(e,t){this.bufferFlushed=this.flushing=!1,super.onMediaDetaching(e,t)}onAudioTracksUpdated(e,{audioTracks:t}){this.resetTransmuxer(),this.levels=t.map(i=>new ue(i))}onAudioTrackSwitching(e,t){const i=!!t.url;this.trackId=t.id;const{fragCurrent:s}=this;s&&(s.abortRequests(),this.removeUnbufferedFrags(s.start)),this.resetLoadingState(),i?(this.switchingTrack=t,this.flushAudioIfNeeded(t),this.state!==re.STOPPED&&(this.setInterval(Qa),this.state=re.IDLE,this.tick())):(this.resetTransmuxer(),this.switchingTrack=null,this.bufferedTrack=t,this.clearInterval())}onManifestLoading(){super.onManifestLoading(),this.bufferFlushed=this.flushing=this.audioOnly=!1,this.resetItem(),this.trackId=-1}onLevelLoaded(e,t){this.mainDetails=t.details;const i=this.cachedTrackLoadedData;i&&(this.cachedTrackLoadedData=null,this.onAudioTrackLoaded(g.AUDIO_TRACK_LOADED,i))}onAudioTrackLoaded(e,t){var i;const{levels:s}=this,{details:n,id:r,groupId:o,track:u}=t;if(!s){this.warn(`Audio tracks reset while loading track ${r} "${u.name}" of "${o}"`);return}const l=this.mainDetails;if(!l||n.endCC>l.endCC||l.expired){this.cachedTrackLoadedData=t,this.state!==re.STOPPED&&(this.state=re.WAITING_TRACK);return}this.cachedTrackLoadedData=null,this.log(`Audio track ${r} "${u.name}" of "${o}" loaded [${n.startSN},${n.endSN}]${n.lastPartSn?`[part-${n.lastPartSn}-${n.lastPartIndex}]`:""},duration:${n.totalduration}`);const d=s[r];let h=0;if(n.live||(i=d.details)!=null&&i.live){if(this.checkLiveUpdate(n),n.deltaUpdateFailed)return;if(d.details){var m;h=this.alignPlaylists(n,d.details,(m=this.levelLastLoaded)==null?void 0:m.details)}n.alignedSliding||(Vi(n,l),n.alignedSliding||Si(n,l),h=n.fragmentStart)}d.details=n,this.levelLastLoaded=d,this.startFragRequested||this.setStartPosition(l,h),this.hls.trigger(g.AUDIO_TRACK_UPDATED,{details:n,id:r,groupId:t.groupId}),this.state===re.WAITING_TRACK&&!this.waitForCdnTuneIn(n)&&(this.state=re.IDLE),this.tick()}_handleFragmentLoadProgress(e){var t;const i=e.frag,{part:s,payload:n}=e,{config:r,trackId:o,levels:u}=this;if(!u){this.warn(`Audio tracks were reset while fragment load was in progress. Fragment ${i.sn} of level ${i.level} will not be buffered`);return}const l=u[o];if(!l){this.warn("Audio track is undefined on fragment load progress");return}const d=l.details;if(!d){this.warn("Audio track details undefined on fragment load progress"),this.removeUnbufferedFrags(i.start);return}const h=r.defaultAudioCodec||l.audioCodec||"mp4a.40.2";let m=this.transmuxer;m||(m=this.transmuxer=new Xa(this.hls,oe.AUDIO,this._handleTransmuxComplete.bind(this),this._handleTransmuxerFlush.bind(this)));const v=this.initPTS[i.cc],E=(t=i.initSegment)==null?void 0:t.data;if(v!==void 0){const _=s?s.index:-1,x=_!==-1,R=new hs(i.level,i.sn,i.stats.chunkCount,n.byteLength,_,x);m.push(n,E,h,"",i,s,d.totalduration,!1,R,v)}else{this.log(`Unknown video PTS for cc ${i.cc}, waiting for video PTS before demuxing audio frag ${i.sn} of [${d.startSN} ,${d.endSN}],track ${o}`);const{cache:S}=this.waitingData=this.waitingData||{frag:i,part:s,cache:new Dn,complete:!1};S.push(new Uint8Array(n)),this.state!==re.STOPPED&&(this.state=re.WAITING_INIT_PTS)}}_handleFragmentLoadComplete(e){if(this.waitingData){this.waitingData.complete=!0;return}super._handleFragmentLoadComplete(e)}onBufferReset(){this.mediaBuffer=null}onBufferCreated(e,t){this.bufferFlushed=this.flushing=!1;const i=t.tracks.audio;i&&(this.mediaBuffer=i.buffer||null)}onFragLoading(e,t){!this.audioOnly&&t.frag.type===oe.MAIN&&We(t.frag)&&(this.mainFragLoading=t,this.state===re.IDLE&&this.tick())}onFragBuffered(e,t){const{frag:i,part:s}=t;if(i.type!==oe.AUDIO){!this.audioOnly&&i.type===oe.MAIN&&!i.elementaryStreams.video&&!i.elementaryStreams.audiovideo&&(this.audioOnly=!0,this.mainFragLoading=null);return}if(this.fragContextChanged(i)){this.warn(`Fragment ${i.sn}${s?" p: "+s.index:""} of level ${i.level} finished buffering, but was aborted. state: ${this.state}, audioSwitch: ${this.switchingTrack?this.switchingTrack.name:"false"}`);return}if(We(i)){this.fragPrevious=i;const n=this.switchingTrack;n&&(this.bufferedTrack=n,this.switchingTrack=null,this.hls.trigger(g.AUDIO_TRACK_SWITCHED,j({},n)))}this.fragBufferedComplete(i,s),this.media&&this.tick()}onError(e,t){var i;if(t.fatal){this.state=re.ERROR;return}switch(t.details){case A.FRAG_GAP:case A.FRAG_PARSING_ERROR:case A.FRAG_DECRYPT_ERROR:case A.FRAG_LOAD_ERROR:case A.FRAG_LOAD_TIMEOUT:case A.KEY_LOAD_ERROR:case A.KEY_LOAD_TIMEOUT:this.onFragmentOrKeyLoadError(oe.AUDIO,t);break;case A.AUDIO_TRACK_LOAD_ERROR:case A.AUDIO_TRACK_LOAD_TIMEOUT:case A.LEVEL_PARSING_ERROR:!t.levelRetry&&this.state===re.WAITING_TRACK&&((i=t.context)==null?void 0:i.type)===xe.AUDIO_TRACK&&(this.state=re.IDLE);break;case A.BUFFER_ADD_CODEC_ERROR:case A.BUFFER_APPEND_ERROR:if(t.parent!=="audio")return;this.resetLoadingState();break;case A.BUFFER_FULL_ERROR:if(t.parent!=="audio")return;this.reduceLengthAndFlushBuffer(t)&&(this.bufferedTrack=null,super.flushMainBuffer(0,Number.POSITIVE_INFINITY,"audio"));break;case A.INTERNAL_EXCEPTION:this.recoverWorkerError(t);break}}onBufferFlushing(e,{type:t}){t!==ye.VIDEO&&(this.flushing=!0)}onBufferFlushed(e,{type:t}){if(t!==ye.VIDEO){this.flushing=!1,this.bufferFlushed=!0,this.state===re.ENDED&&(this.state=re.IDLE);const i=this.mediaBuffer||this.media;i&&(this.afterBufferFlushed(i,t,oe.AUDIO),this.tick())}}_handleTransmuxComplete(e){var t;const i="audio",{hls:s}=this,{remuxResult:n,chunkMeta:r}=e,o=this.getCurrentContext(r);if(!o){this.resetWhenMissingContext(r);return}const{frag:u,part:l,level:d}=o,{details:h}=d,{audio:m,text:v,id3:E,initSegment:S}=n;if(this.fragContextChanged(u)||!h){this.fragmentTracker.removeFragment(u);return}if(this.state=re.PARSING,this.switchingTrack&&m&&this.completeAudioSwitch(this.switchingTrack),S!=null&&S.tracks){const _=u.initSegment||u;this._bufferInitSegment(d,S.tracks,_,r),s.trigger(g.FRAG_PARSING_INIT_SEGMENT,{frag:_,id:i,tracks:S.tracks})}if(m){const{startPTS:_,endPTS:x,startDTS:R,endDTS:L}=m;l&&(l.elementaryStreams[ye.AUDIO]={startPTS:_,endPTS:x,startDTS:R,endDTS:L}),u.setElementaryStreamInfo(ye.AUDIO,_,x,R,L),this.bufferFragmentData(m,u,l,r)}if(E!=null&&(t=E.samples)!=null&&t.length){const _=Le({id:i,frag:u,details:h},E);s.trigger(g.FRAG_PARSING_METADATA,_)}if(v){const _=Le({id:i,frag:u,details:h},v);s.trigger(g.FRAG_PARSING_USERDATA,_)}}_bufferInitSegment(e,t,i,s){if(this.state!==re.PARSING||(t.video&&delete t.video,t.audiovideo&&delete t.audiovideo,!t.audio))return;const n=t.audio;n.id=oe.AUDIO;const r=e.audioCodec;this.log(`Init audio buffer, container:${n.container}, codecs[level/parsed]=[${r}/${n.codec}]`),r&&r.split(",").length===1&&(n.levelCodec=r),this.hls.trigger(g.BUFFER_CODECS,t);const o=n.initSegment;if(o!=null&&o.byteLength){const u={type:"audio",frag:i,part:null,chunkMeta:s,parent:i.type,data:o};this.hls.trigger(g.BUFFER_APPENDING,u)}this.tickImmediate()}loadFragment(e,t,i){const s=this.fragmentTracker.getState(e);if(this.switchingTrack||s===Qt.NOT_LOADED||s===Qt.PARTIAL){var n;if(!We(e))this._loadInitSegment(e,t);else if((n=t.details)!=null&&n.live&&!this.initPTS[e.cc]){this.log(`Waiting for video PTS in continuity counter ${e.cc} of live stream before loading audio fragment ${e.sn} of level ${this.trackId}`),this.state=re.WAITING_INIT_PTS;const r=this.mainDetails;r&&r.fragmentStart!==t.details.fragmentStart&&Si(t.details,r)}else super.loadFragment(e,t,i)}else this.clearTrackerIfNeeded(e)}flushAudioIfNeeded(e){if(this.media&&this.bufferedTrack){const{name:t,lang:i,assocLang:s,characteristics:n,audioCodec:r,channels:o}=this.bufferedTrack;ae({name:t,lang:i,assocLang:s,characteristics:n,audioCodec:r,channels:o},e,me)||(Mt(e.url,this.hls)?(this.log("Switching audio track : flushing all audio"),super.flushMainBuffer(0,Number.POSITIVE_INFINITY,"audio"),this.bufferedTrack=null):this.bufferedTrack=e)}}completeAudioSwitch(e){const{hls:t}=this;this.flushAudioIfNeeded(e),this.bufferedTrack=e,this.switchingTrack=null,t.trigger(g.AUDIO_TRACK_SWITCHED,j({},e))}}class ta extends Fe{constructor(e,t){super(t,e.logger),this.hls=void 0,this.canLoad=!1,this.timer=-1,this.hls=e}destroy(){this.clearTimer(),this.hls=this.log=this.warn=null}clearTimer(){this.timer!==-1&&(self.clearTimeout(this.timer),this.timer=-1)}startLoad(){this.canLoad=!0,this.loadPlaylist()}stopLoad(){this.canLoad=!1,this.clearTimer()}switchParams(e,t,i){const s=t==null?void 0:t.renditionReports;if(s){let n=-1;for(let r=0;r<s.length;r++){const o=s[r];let u;try{u=new self.URL(o.URI,t.url).href}catch(l){this.warn(`Could not construct new URL for Rendition Report: ${l}`),u=o.URI||""}if(u===e){n=r;break}else u===e.substring(0,u.length)&&(n=r)}if(n!==-1){const r=s[n],o=parseInt(r["LAST-MSN"])||(t==null?void 0:t.lastPartSn);let u=parseInt(r["LAST-PART"])||(t==null?void 0:t.lastPartIndex);if(this.hls.config.lowLatencyMode){const d=Math.min(t.age-t.partTarget,t.targetduration);u>=0&&d>t.partTarget&&(u+=1)}const l=i&&ot(i);return new Ye(o,u>=0?u:void 0,l)}}}loadPlaylist(e){this.clearTimer()}loadingPlaylist(e,t){this.clearTimer()}shouldLoadPlaylist(e){return this.canLoad&&!!e&&!!e.url&&(!e.details||e.details.live)}getUrlWithDirectives(e,t){if(t)try{return t.addDirectives(e)}catch(i){this.warn(`Could not construct new URL with HLS Delivery Directives: ${i}`)}return e}playlistLoaded(e,t,i){const{details:s,stats:n}=t,r=self.performance.now(),o=n.loading.first?Math.max(0,r-n.loading.first):0;s.advancedDateTime=Date.now()-o;const u=this.hls.config.timelineOffset;if(u!==s.appliedTimelineOffset){const d=Math.max(u||0,0);s.appliedTimelineOffset=d,s.fragments.forEach(h=>{h.start=h.playlistOffset+d})}if(s.live||i!=null&&i.live){const d="levelInfo"in t?t.levelInfo:t.track;if(s.reloaded(i),i&&s.fragments.length>0){dr(i,s);const R=s.playlistParsingError;if(R){this.warn(R);const L=this.hls;if(!L.config.ignorePlaylistParsingErrors){var l;const{networkDetails:B}=t;L.trigger(g.ERROR,{type:Z.NETWORK_ERROR,details:A.LEVEL_PARSING_ERROR,fatal:!1,url:s.url,error:R,reason:R.message,level:t.level||void 0,parent:(l=s.fragments[0])==null?void 0:l.type,networkDetails:B,stats:n});return}s.playlistParsingError=null}}s.requestScheduled===-1&&(s.requestScheduled=n.loading.start);const h=this.hls.mainForwardBufferInfo,m=h?h.end-h.len:0,v=(s.edge-m)*1e3,E=_n(s,v);if(s.requestScheduled+E<r?s.requestScheduled=r:s.requestScheduled+=E,this.log(`live playlist ${e} ${s.advanced?"REFRESHED "+s.lastPartSn+"-"+s.lastPartIndex:s.updated?"UPDATED":"MISSED"}`),!this.canLoad||!s.live)return;let S,_,x;if(s.canBlockReload&&s.endSN&&s.advanced){const R=this.hls.config.lowLatencyMode,L=s.lastPartSn,B=s.endSN,N=s.lastPartIndex,te=N!==-1,U=L===B;te?U?(_=B+1,x=R?0:N):(_=L,x=R?N+1:s.maxPartIndex):_=B+1;const z=s.age,le=z+s.ageHeader;let V=Math.min(le-s.partTarget,s.targetduration*1.5);if(V>0){if(le>s.targetduration*3)this.log(`Playlist last advanced ${z.toFixed(2)}s ago. Omitting segment and part directives.`),_=void 0,x=void 0;else if(i!=null&&i.tuneInGoal&&le-s.partTarget>i.tuneInGoal)this.warn(`CDN Tune-in goal increased from: ${i.tuneInGoal} to: ${V} with playlist age: ${s.age}`),V=0;else{const Ae=Math.floor(V/s.targetduration);if(_+=Ae,x!==void 0){const Ue=Math.round(V%s.targetduration/s.partTarget);x+=Ue}this.log(`CDN Tune-in age: ${s.ageHeader}s last advanced ${z.toFixed(2)}s goal: ${V} skip sn ${Ae} to part ${x}`)}s.tuneInGoal=V}if(S=this.getDeliveryDirectives(s,t.deliveryDirectives,_,x),R||!U){s.requestScheduled=r,this.loadingPlaylist(d,S);return}}else(s.canBlockReload||s.canSkipUntil)&&(S=this.getDeliveryDirectives(s,t.deliveryDirectives,_,x));S&&_!==void 0&&s.canBlockReload&&(s.requestScheduled=n.loading.first+Math.max(E-o*2,E/2)),this.scheduleLoading(d,S,s)}else this.clearTimer()}scheduleLoading(e,t,i){const s=i||e.details;if(!s){this.loadingPlaylist(e,t);return}const n=self.performance.now(),r=s.requestScheduled;if(n>=r){this.loadingPlaylist(e,t);return}const o=r-n;this.log(`reload live playlist ${e.name||e.bitrate+"bps"} in ${Math.round(o)} ms`),this.clearTimer(),this.timer=self.setTimeout(()=>this.loadingPlaylist(e,t),o)}getDeliveryDirectives(e,t,i,s){let n=ot(e);return t!=null&&t.skip&&e.deltaUpdateFailed&&(i=t.msn,s=t.part,n=we.No),new Ye(i,s,n)}checkRetry(e){const t=e.details,i=Ei(e),s=e.errorAction,{action:n,retryCount:r=0,retryConfig:o}=s||{},u=!!s&&!!o&&(n===di.RetryRequest||!s.resolved&&n===di.SendAlternateToPenaltyBox);if(u){var l;if(r>=o.maxNumRetry)return!1;if(i&&(l=e.context)!=null&&l.deliveryDirectives)this.warn(`Retrying playlist loading ${r+1}/${o.maxNumRetry} after "${t}" without delivery-directives`),this.loadPlaylist();else{const d=$t(o,r);this.clearTimer(),this.timer=self.setTimeout(()=>this.loadPlaylist(),d),this.warn(`Retrying playlist loading ${r+1}/${o.maxNumRetry} after "${t}" in ${d}ms`)}e.levelRetry=!0,s.resolved=!0}return u}}function Ja(a,e){if(a.length!==e.length)return!1;for(let t=0;t<a.length;t++)if(!ir(a[t].attrs,e[t].attrs))return!1;return!0}function ir(a,e,t){const i=a["STABLE-RENDITION-ID"];return i&&!t?i===e["STABLE-RENDITION-ID"]:!(t||["LANGUAGE","NAME","CHARACTERISTICS","AUTOSELECT","DEFAULT","FORCED","ASSOC-LANGUAGE"]).some(s=>a[s]!==e[s])}function ia(a,e){return e.label.toLowerCase()===a.name.toLowerCase()&&(!e.language||e.language.toLowerCase()===(a.lang||"").toLowerCase())}class ql extends ta{constructor(e){super(e,"audio-track-controller"),this.tracks=[],this.groupIds=null,this.tracksInGroup=[],this.trackId=-1,this.currentTrack=null,this.selectDefaultTrack=!0,this.registerListeners()}registerListeners(){const{hls:e}=this;e.on(g.MANIFEST_LOADING,this.onManifestLoading,this),e.on(g.MANIFEST_PARSED,this.onManifestParsed,this),e.on(g.LEVEL_LOADING,this.onLevelLoading,this),e.on(g.LEVEL_SWITCHING,this.onLevelSwitching,this),e.on(g.AUDIO_TRACK_LOADED,this.onAudioTrackLoaded,this),e.on(g.ERROR,this.onError,this)}unregisterListeners(){const{hls:e}=this;e.off(g.MANIFEST_LOADING,this.onManifestLoading,this),e.off(g.MANIFEST_PARSED,this.onManifestParsed,this),e.off(g.LEVEL_LOADING,this.onLevelLoading,this),e.off(g.LEVEL_SWITCHING,this.onLevelSwitching,this),e.off(g.AUDIO_TRACK_LOADED,this.onAudioTrackLoaded,this),e.off(g.ERROR,this.onError,this)}destroy(){this.unregisterListeners(),this.tracks.length=0,this.tracksInGroup.length=0,this.currentTrack=null,super.destroy()}onManifestLoading(){this.tracks=[],this.tracksInGroup=[],this.groupIds=null,this.currentTrack=null,this.trackId=-1,this.selectDefaultTrack=!0}onManifestParsed(e,t){this.tracks=t.audioTracks||[]}onAudioTrackLoaded(e,t){const{id:i,groupId:s,details:n}=t,r=this.tracksInGroup[i];if(!r||r.groupId!==s){this.warn(`Audio track with id:${i} and group:${s} not found in active group ${r==null?void 0:r.groupId}`);return}const o=r.details;r.details=t.details,this.log(`Audio track ${i} "${r.name}" lang:${r.lang} group:${s} loaded [${n.startSN}-${n.endSN}]`),i===this.trackId&&this.playlistLoaded(i,t,o)}onLevelLoading(e,t){this.switchLevel(t.level)}onLevelSwitching(e,t){this.switchLevel(t.level)}switchLevel(e){const t=this.hls.levels[e];if(!t)return;const i=t.audioGroups||null,s=this.groupIds;let n=this.currentTrack;if(!i||(s==null?void 0:s.length)!==(i==null?void 0:i.length)||i!=null&&i.some(o=>(s==null?void 0:s.indexOf(o))===-1)){this.groupIds=i,this.trackId=-1,this.currentTrack=null;const o=this.tracks.filter(m=>!i||i.indexOf(m.groupId)!==-1);if(o.length)this.selectDefaultTrack&&!o.some(m=>m.default)&&(this.selectDefaultTrack=!1),o.forEach((m,v)=>{m.id=v});else if(!n&&!this.tracksInGroup.length)return;this.tracksInGroup=o;const u=this.hls.config.audioPreference;if(!n&&u){const m=H(u,o,me);if(m>-1)n=o[m];else{const v=H(u,this.tracks);n=this.tracks[v]}}let l=this.findTrackId(n);l===-1&&n&&(l=this.findTrackId(null));const d={audioTracks:o};this.log(`Updating audio tracks, ${o.length} track(s) found in group(s): ${i==null?void 0:i.join(",")}`),this.hls.trigger(g.AUDIO_TRACKS_UPDATED,d);const h=this.trackId;if(l!==-1&&h===-1)this.setAudioTrack(l);else if(o.length&&h===-1){var r;const m=new Error(`No audio track selected for current audio group-ID(s): ${(r=this.groupIds)==null?void 0:r.join(",")} track count: ${o.length}`);this.warn(m.message),this.hls.trigger(g.ERROR,{type:Z.MEDIA_ERROR,details:A.AUDIO_TRACK_LOAD_ERROR,fatal:!0,error:m})}}}onError(e,t){t.fatal||!t.context||t.context.type===xe.AUDIO_TRACK&&t.context.id===this.trackId&&(!this.groupIds||this.groupIds.indexOf(t.context.groupId)!==-1)&&this.checkRetry(t)}get allAudioTracks(){return this.tracks}get audioTracks(){return this.tracksInGroup}get audioTrack(){return this.trackId}set audioTrack(e){this.selectDefaultTrack=!1,this.setAudioTrack(e)}setAudioOption(e){const t=this.hls;if(t.config.audioPreference=e,e){const i=this.allAudioTracks;if(this.selectDefaultTrack=!1,i.length){const s=this.currentTrack;if(s&&ae(e,s,me))return s;const n=H(e,this.tracksInGroup,me);if(n>-1){const r=this.tracksInGroup[n];return this.setAudioTrack(n),r}else if(s){let r=t.loadLevel;r===-1&&(r=t.firstAutoLevel);const o=Ie(e,t.levels,i,r,me);if(o===-1)return null;t.nextLoadLevel=o}if(e.channels||e.audioCodec){const r=H(e,i);if(r>-1)return i[r]}}}return null}setAudioTrack(e){const t=this.tracksInGroup;if(e<0||e>=t.length){this.warn(`Invalid audio track id: ${e}`);return}this.selectDefaultTrack=!1;const i=this.currentTrack,s=t[e],n=s.details&&!s.details.live;if(e===this.trackId&&s===i&&n||(this.log(`Switching to audio-track ${e} "${s.name}" lang:${s.lang} group:${s.groupId} channels:${s.channels}`),this.trackId=e,this.currentTrack=s,this.hls.trigger(g.AUDIO_TRACK_SWITCHING,j({},s)),n))return;const r=this.switchParams(s.url,i==null?void 0:i.details,s.details);this.loadPlaylist(r)}findTrackId(e){const t=this.tracksInGroup;for(let i=0;i<t.length;i++){const s=t[i];if(!(this.selectDefaultTrack&&!s.default)&&(!e||ae(e,s,me)))return i}if(e){const{name:i,lang:s,assocLang:n,characteristics:r,audioCodec:o,channels:u}=e;for(let l=0;l<t.length;l++){const d=t[l];if(ae({name:i,lang:s,assocLang:n,characteristics:r,audioCodec:o,channels:u},d,me))return l}for(let l=0;l<t.length;l++){const d=t[l];if(ir(e.attrs,d.attrs,["LANGUAGE","ASSOC-LANGUAGE","CHARACTERISTICS"]))return l}for(let l=0;l<t.length;l++){const d=t[l];if(ir(e.attrs,d.attrs,["LANGUAGE"]))return l}}return-1}loadPlaylist(e){super.loadPlaylist();const t=this.currentTrack;this.shouldLoadPlaylist(t)&&Mt(t.url,this.hls)&&this.scheduleLoading(t,e)}loadingPlaylist(e,t){super.loadingPlaylist(e,t);const i=e.id,s=e.groupId,n=this.getUrlWithDirectives(e.url,t),r=e.details,o=r==null?void 0:r.age;this.log(`Loading audio-track ${i} "${e.name}" lang:${e.lang} group:${s}${(t==null?void 0:t.msn)!==void 0?" at sn "+t.msn+" part "+t.part:""}${o&&r.live?" age "+o.toFixed(1)+(r.type?" "+r.type||0:""):""} ${n}`),this.hls.trigger(g.AUDIO_TRACK_LOADING,{url:n,id:i,groupId:s,deliveryDirectives:t||null,track:e})}}class Xl{constructor(e){this.tracks=void 0,this.queues={video:[],audio:[],audiovideo:[]},this.tracks=e}destroy(){this.tracks=this.queues=null}append(e,t,i){if(this.queues===null||this.tracks===null)return;const s=this.queues[t];s.push(e),s.length===1&&!i&&this.executeNext(t)}appendBlocker(e){return new Promise(t=>{const i={label:"async-blocker",execute:t,onStart:()=>{},onComplete:()=>{},onError:()=>{}};this.append(i,e)})}prependBlocker(e){return new Promise(t=>{if(this.queues){const i={label:"async-blocker-prepend",execute:t,onStart:()=>{},onComplete:()=>{},onError:()=>{}};this.queues[e].unshift(i)}})}removeBlockers(){this.queues!==null&&[this.queues.video,this.queues.audio,this.queues.audiovideo].forEach(e=>{var t;const i=(t=e[0])==null?void 0:t.label;(i==="async-blocker"||i==="async-blocker-prepend")&&(e[0].execute(),e.splice(0,1))})}unblockAudio(e){if(this.queues===null)return;this.queues.audio[0]===e&&this.shiftAndExecuteNext("audio")}executeNext(e){if(this.queues===null||this.tracks===null)return;const t=this.queues[e];if(t.length){const s=t[0];try{s.execute()}catch(n){var i;if(s.onError(n),this.queues===null||this.tracks===null)return;const r=(i=this.tracks[e])==null?void 0:i.buffer;r!=null&&r.updating||this.shiftAndExecuteNext(e)}}}shiftAndExecuteNext(e){this.queues!==null&&(this.queues[e].shift(),this.executeNext(e))}current(e){var t;return((t=this.queues)==null?void 0:t[e][0])||null}toString(){const{queues:e,tracks:t}=this;return e===null||t===null?"<destroyed>":`
|
|
${this.list("video")}
|
|
${this.list("audio")}
|
|
${this.list("audiovideo")}}`}list(e){var t,i;return(t=this.queues)!=null&&t[e]||(i=this.tracks)!=null&&i[e]?`${e}: (${this.listSbInfo(e)}) ${this.listOps(e)}`:""}listSbInfo(e){var t;const i=(t=this.tracks)==null?void 0:t[e],s=i==null?void 0:i.buffer;return s?`SourceBuffer${s.updating?" updating":""}${i.ended?" ended":""}${i.ending?" ending":""}`:"none"}listOps(e){var t;return((t=this.queues)==null?void 0:t[e].map(i=>i.label).join(", "))||""}}const eo=/(avc[1234]|hvc1|hev1|dvh[1e]|vp09|av01)(?:\.[^.,]+)+/,to="HlsJsTrackRemovedError";class Ql extends Error{constructor(e){super(e),this.name=to}}class Jl extends Fe{constructor(e,t){super("buffer-controller",e.logger),this.hls=void 0,this.fragmentTracker=void 0,this.details=null,this._objectUrl=null,this.operationQueue=null,this.bufferCodecEventsTotal=0,this.media=null,this.mediaSource=null,this.lastMpegAudioChunk=null,this.blockedAudioAppend=null,this.lastVideoAppendEnd=0,this.appendSource=void 0,this.transferData=void 0,this.overrides=void 0,this.appendErrors={audio:0,video:0,audiovideo:0},this.tracks={},this.sourceBuffers=[[null,null],[null,null]],this._onEndStreaming=i=>{var s;this.hls&&((s=this.mediaSource)==null?void 0:s.readyState)==="open"&&this.hls.pauseBuffering()},this._onStartStreaming=i=>{this.hls&&this.hls.resumeBuffering()},this._onMediaSourceOpen=i=>{const{media:s,mediaSource:n}=this;i&&this.log("Media source opened"),!(!s||!n)&&(n.removeEventListener("sourceopen",this._onMediaSourceOpen),s.removeEventListener("emptied",this._onMediaEmptied),this.updateDuration(),this.hls.trigger(g.MEDIA_ATTACHED,{media:s,mediaSource:n}),this.mediaSource!==null&&this.checkPendingTracks())},this._onMediaSourceClose=()=>{this.log("Media source closed")},this._onMediaSourceEnded=()=>{this.log("Media source ended")},this._onMediaEmptied=()=>{const{mediaSrc:i,_objectUrl:s}=this;i!==s&&this.error(`Media element src was set while attaching MediaSource (${s} > ${i})`)},this.hls=e,this.fragmentTracker=t,this.appendSource=yt(ut(e.config.preferManagedMediaSource)),this.initTracks(),this.registerListeners()}hasSourceTypes(){return Object.keys(this.tracks).length>0}destroy(){this.unregisterListeners(),this.details=null,this.lastMpegAudioChunk=this.blockedAudioAppend=null,this.transferData=this.overrides=void 0,this.operationQueue&&(this.operationQueue.destroy(),this.operationQueue=null),this.hls=this.fragmentTracker=null,this._onMediaSourceOpen=this._onMediaSourceClose=null,this._onMediaSourceEnded=null,this._onStartStreaming=this._onEndStreaming=null}registerListeners(){const{hls:e}=this;e.on(g.MEDIA_ATTACHING,this.onMediaAttaching,this),e.on(g.MEDIA_DETACHING,this.onMediaDetaching,this),e.on(g.MANIFEST_LOADING,this.onManifestLoading,this),e.on(g.MANIFEST_PARSED,this.onManifestParsed,this),e.on(g.BUFFER_RESET,this.onBufferReset,this),e.on(g.BUFFER_APPENDING,this.onBufferAppending,this),e.on(g.BUFFER_CODECS,this.onBufferCodecs,this),e.on(g.BUFFER_EOS,this.onBufferEos,this),e.on(g.BUFFER_FLUSHING,this.onBufferFlushing,this),e.on(g.LEVEL_UPDATED,this.onLevelUpdated,this),e.on(g.FRAG_PARSED,this.onFragParsed,this),e.on(g.FRAG_CHANGED,this.onFragChanged,this),e.on(g.ERROR,this.onError,this)}unregisterListeners(){const{hls:e}=this;e.off(g.MEDIA_ATTACHING,this.onMediaAttaching,this),e.off(g.MEDIA_DETACHING,this.onMediaDetaching,this),e.off(g.MANIFEST_LOADING,this.onManifestLoading,this),e.off(g.MANIFEST_PARSED,this.onManifestParsed,this),e.off(g.BUFFER_RESET,this.onBufferReset,this),e.off(g.BUFFER_APPENDING,this.onBufferAppending,this),e.off(g.BUFFER_CODECS,this.onBufferCodecs,this),e.off(g.BUFFER_EOS,this.onBufferEos,this),e.off(g.BUFFER_FLUSHING,this.onBufferFlushing,this),e.off(g.LEVEL_UPDATED,this.onLevelUpdated,this),e.off(g.FRAG_PARSED,this.onFragParsed,this),e.off(g.FRAG_CHANGED,this.onFragChanged,this),e.off(g.ERROR,this.onError,this)}transferMedia(){const{media:e,mediaSource:t}=this;if(!e)return null;const i={};if(this.operationQueue){const n=this.isUpdating();n||this.operationQueue.removeBlockers();const r=this.isQueued();(n||r)&&this.warn(`Transfering MediaSource with${r?" operations in queue":""}${n?" updating SourceBuffer(s)":""} ${this.operationQueue}`),this.operationQueue.destroy()}const s=this.transferData;return!this.sourceBufferCount&&s&&s.mediaSource===t?Le(i,s.tracks):this.sourceBuffers.forEach(n=>{const[r]=n;r&&(i[r]=Le({},this.tracks[r]),this.removeBuffer(r)),n[0]=n[1]=null}),{media:e,mediaSource:t,tracks:i}}initTracks(){const e={};this.sourceBuffers=[[null,null],[null,null]],this.tracks=e,this.resetQueue(),this.resetAppendErrors(),this.lastMpegAudioChunk=this.blockedAudioAppend=null,this.lastVideoAppendEnd=0}onManifestLoading(){this.bufferCodecEventsTotal=0,this.details=null}onManifestParsed(e,t){var i;let s=2;(t.audio&&!t.video||!t.altAudio)&&(s=1),this.bufferCodecEventsTotal=s,this.log(`${s} bufferCodec event(s) expected.`),(i=this.transferData)!=null&&i.mediaSource&&this.sourceBufferCount&&s&&this.bufferCreated()}onMediaAttaching(e,t){const i=this.media=t.media,s=ut(this.appendSource);if(this.transferData=this.overrides=void 0,i&&s){const n=!!t.mediaSource;(n||t.overrides)&&(this.transferData=t,this.overrides=t.overrides);const r=this.mediaSource=t.mediaSource||new s;if(this.assignMediaSource(r),n)this._objectUrl=i.src,this.attachTransferred();else{const o=this._objectUrl=self.URL.createObjectURL(r);if(this.appendSource)try{i.removeAttribute("src");const u=self.ManagedMediaSource;i.disableRemotePlayback=i.disableRemotePlayback||u&&r instanceof u,io(i),eu(i,o),i.load()}catch(u){i.src=o}else i.src=o}i.addEventListener("emptied",this._onMediaEmptied)}}assignMediaSource(e){var t,i;this.log(`${((t=this.transferData)==null?void 0:t.mediaSource)===e?"transferred":"created"} media source: ${(i=e.constructor)==null?void 0:i.name}`),e.addEventListener("sourceopen",this._onMediaSourceOpen),e.addEventListener("sourceended",this._onMediaSourceEnded),e.addEventListener("sourceclose",this._onMediaSourceClose),this.appendSource&&(e.addEventListener("startstreaming",this._onStartStreaming),e.addEventListener("endstreaming",this._onEndStreaming))}attachTransferred(){const e=this.media,t=this.transferData;if(!t||!e)return;const i=this.tracks,s=t.tracks,n=s?Object.keys(s):null,r=n?n.length:0,o=()=>{this.media&&this.mediaSourceOpenOrEnded&&this._onMediaSourceOpen()};if(s&&n&&r){if(!this.tracksReady){this.hls.config.startFragPrefetch=!0,this.log("attachTransferred: waiting for SourceBuffer track info");return}if(this.log(`attachTransferred: (bufferCodecEventsTotal ${this.bufferCodecEventsTotal})
|
|
required tracks: ${Et(i,(u,l)=>u==="initSegment"?void 0:l)};
|
|
transfer tracks: ${Et(s,(u,l)=>u==="initSegment"?void 0:l)}}`),!kt(s,i)){t.mediaSource=null,t.tracks=void 0;const u=e.currentTime,l=this.details,d=Math.max(u,(l==null?void 0:l.fragments[0].start)||0);if(d-u>1){this.log(`attachTransferred: waiting for playback to reach new tracks start time ${u} -> ${d}`);return}this.warn(`attachTransferred: resetting MediaSource for incompatible tracks ("${Object.keys(s)}"->"${Object.keys(i)}") start time: ${d} currentTime: ${u}`),this.onMediaDetaching(g.MEDIA_DETACHING,{}),this.onMediaAttaching(g.MEDIA_ATTACHING,t),e.currentTime=d;return}this.transferData=void 0,n.forEach(u=>{const l=u,d=s[l];if(d){const h=d.buffer;if(h){const m=this.fragmentTracker,v=d.id;if(m.hasFragments(v)||m.hasParts(v)){const _=bt.getBuffered(h);m.detectEvictedFragments(l,_,v,null,!0)}const E=sa(l),S=[l,h];this.sourceBuffers[E]=S,h.updating&&this.operationQueue&&this.operationQueue.prependBlocker(l),this.trackSourceBuffer(l,d)}}}),o(),this.bufferCreated()}else this.log("attachTransferred: MediaSource w/o SourceBuffers"),o()}get mediaSourceOpenOrEnded(){var e;const t=(e=this.mediaSource)==null?void 0:e.readyState;return t==="open"||t==="ended"}onMediaDetaching(e,t){const i=!!t.transferMedia;this.transferData=this.overrides=void 0;const{media:s,mediaSource:n,_objectUrl:r}=this;if(n){if(this.log(`media source ${i?"transferring":"detaching"}`),i)this.sourceBuffers.forEach(([o])=>{o&&this.removeBuffer(o)}),this.resetQueue();else{if(this.mediaSourceOpenOrEnded){const o=n.readyState==="open";try{const u=n.sourceBuffers;for(let l=u.length;l--;)o&&u[l].abort(),n.removeSourceBuffer(u[l]);o&&n.endOfStream()}catch(u){this.warn(`onMediaDetaching: ${u.message} while calling endOfStream`)}}this.sourceBufferCount&&this.onBufferReset()}n.removeEventListener("sourceopen",this._onMediaSourceOpen),n.removeEventListener("sourceended",this._onMediaSourceEnded),n.removeEventListener("sourceclose",this._onMediaSourceClose),this.appendSource&&(n.removeEventListener("startstreaming",this._onStartStreaming),n.removeEventListener("endstreaming",this._onEndStreaming)),this.mediaSource=null,this._objectUrl=null}s&&(s.removeEventListener("emptied",this._onMediaEmptied),i||(r&&self.URL.revokeObjectURL(r),this.mediaSrc===r?(s.removeAttribute("src"),this.appendSource&&io(s),s.load()):this.warn("media|source.src was changed by a third party - skip cleanup")),this.media=null),this.hls.trigger(g.MEDIA_DETACHED,t)}onBufferReset(){this.sourceBuffers.forEach(([e])=>{e&&this.resetBuffer(e)}),this.initTracks()}resetBuffer(e){var t;const i=(t=this.tracks[e])==null?void 0:t.buffer;if(this.removeBuffer(e),i)try{var s;(s=this.mediaSource)!=null&&s.sourceBuffers.length&&this.mediaSource.removeSourceBuffer(i)}catch(n){this.warn(`onBufferReset ${e}`,n)}delete this.tracks[e]}removeBuffer(e){this.removeBufferListeners(e),this.sourceBuffers[sa(e)]=[null,null];const t=this.tracks[e];t&&(t.buffer=void 0)}resetQueue(){this.operationQueue&&this.operationQueue.destroy(),this.operationQueue=new Xl(this.tracks)}onBufferCodecs(e,t){const i=this.tracks,s=Object.keys(t);this.log(`BUFFER_CODECS: "${s}" (current SB count ${this.sourceBufferCount})`);const n="audiovideo"in t&&(i.audio||i.video)||i.audiovideo&&("audio"in t||"video"in t),r=!n&&this.sourceBufferCount&&this.media&&s.some(o=>!i[o]);if(n||r){this.warn(`Unsupported transition between "${Object.keys(i)}" and "${s}" SourceBuffers`);return}s.forEach(o=>{var u,l,d;const h=t[o],{id:m,codec:v,levelCodec:E,container:S,metadata:_,supplemental:x}=h;let R=i[o];const L=(u=this.transferData)==null||(l=u.tracks)==null?void 0:l[o],B=L!=null&&L.buffer?L:R,N=(B==null?void 0:B.pendingCodec)||(B==null?void 0:B.codec),te=B==null?void 0:B.levelCodec;R||(R=i[o]={buffer:void 0,listeners:[],codec:v,supplemental:x,container:S,levelCodec:E,metadata:_,id:m});const U=ti(N,te),z=U==null?void 0:U.replace(eo,"$1");let le=ti(v,E);const V=(d=le)==null?void 0:d.replace(eo,"$1");le&&U&&z!==V&&(o.slice(0,5)==="audio"&&(le=ci(le,this.appendSource)),this.log(`switching codec ${N} to ${le}`),le!==(R.pendingCodec||R.codec)&&(R.pendingCodec=le),R.container=S,this.appendChangeType(o,S,le))}),(this.tracksReady||this.sourceBufferCount)&&(t.tracks=this.sourceBufferTracks),!this.sourceBufferCount&&this.mediaSourceOpenOrEnded&&this.checkPendingTracks()}get sourceBufferTracks(){return Object.keys(this.tracks).reduce((e,t)=>{const i=this.tracks[t];return e[t]={id:i.id,container:i.container,codec:i.codec,levelCodec:i.levelCodec},e},{})}appendChangeType(e,t,i){const s=`${t};codecs=${i}`,n={label:`change-type=${s}`,execute:()=>{const r=this.tracks[e];if(r){const o=r.buffer;o!=null&&o.changeType&&(this.log(`changing ${e} sourceBuffer type to ${s}`),o.changeType(s),r.codec=i,r.container=t)}this.shiftAndExecuteNext(e)},onStart:()=>{},onComplete:()=>{},onError:r=>{this.warn(`Failed to change ${e} SourceBuffer type`,r)}};this.append(n,e,this.isPending(this.tracks[e]))}blockAudio(e){var t;const i=e.start,s=i+e.duration*.05;if(((t=this.fragmentTracker.getAppendedFrag(i,oe.MAIN))==null?void 0:t.gap)===!0)return;const r={label:"block-audio",execute:()=>{var o;const u=this.tracks.video;(this.lastVideoAppendEnd>s||u!=null&&u.buffer&&bt.isBuffered(u.buffer,s)||((o=this.fragmentTracker.getAppendedFrag(s,oe.MAIN))==null?void 0:o.gap)===!0)&&(this.blockedAudioAppend=null,this.shiftAndExecuteNext("audio"))},onStart:()=>{},onComplete:()=>{},onError:o=>{this.warn("Error executing block-audio operation",o)}};this.blockedAudioAppend={op:r,frag:e},this.append(r,"audio",!0)}unblockAudio(){const{blockedAudioAppend:e,operationQueue:t}=this;e&&t&&(this.blockedAudioAppend=null,t.unblockAudio(e.op))}onBufferAppending(e,t){const{tracks:i}=this,{data:s,type:n,parent:r,frag:o,part:u,chunkMeta:l}=t,d=l.buffering[n],h=o.sn,m=self.performance.now();d.start=m;const v=o.stats.buffering,E=u?u.stats.buffering:null;v.start===0&&(v.start=m),E&&E.start===0&&(E.start=m);const S=i.audio;let _=!1;n==="audio"&&(S==null?void 0:S.container)==="audio/mpeg"&&(_=!this.lastMpegAudioChunk||l.id===1||this.lastMpegAudioChunk.sn!==l.sn,this.lastMpegAudioChunk=l);const x=this.tracks.video,R=x==null?void 0:x.buffer;if(R&&h!=="initSegment"){const N=u||o,te=this.blockedAudioAppend;if(n==="audio"&&r!=="main"&&!this.blockedAudioAppend){const z=N.start+N.duration*.05,le=R.buffered,V=this.currentOp("video");!le.length&&!V?this.blockAudio(N):!V&&!bt.isBuffered(R,z)&&this.lastVideoAppendEnd<z&&this.blockAudio(N)}else if(n==="video"){const U=N.end;if(te){const z=te.frag.start;(U>z||U<this.lastVideoAppendEnd||bt.isBuffered(R,z))&&this.unblockAudio()}this.lastVideoAppendEnd=U}}const L=(u||o).start,B={label:`append-${n}`,execute:()=>{if(d.executeStart=self.performance.now(),_){const N=this.tracks[n];if(N){const te=N.buffer;if(te){const U=L-te.timestampOffset;Math.abs(U)>=.1&&(this.log(`Updating audio SourceBuffer timestampOffset to ${L} (delta: ${U}) sn: ${h})`),te.timestampOffset=L)}}}this.appendExecutor(s,n)},onStart:()=>{},onComplete:()=>{const N=self.performance.now();d.executeEnd=d.end=N,v.first===0&&(v.first=N),E&&E.first===0&&(E.first=N);const te={};this.sourceBuffers.forEach(([U,z])=>{U&&(te[U]=bt.getBuffered(z))}),this.appendErrors[n]=0,n==="audio"||n==="video"?this.appendErrors.audiovideo=0:(this.appendErrors.audio=0,this.appendErrors.video=0),this.hls.trigger(g.BUFFER_APPENDED,{type:n,frag:o,part:u,chunkMeta:l,parent:o.type,timeRanges:te})},onError:N=>{var te;const U={type:Z.MEDIA_ERROR,parent:o.type,details:A.BUFFER_APPEND_ERROR,sourceBufferName:n,frag:o,part:u,chunkMeta:l,error:N,err:N,fatal:!1},z=(te=this.media)==null?void 0:te.error;if(N.code===DOMException.QUOTA_EXCEEDED_ERR)U.details=A.BUFFER_FULL_ERROR;else if(N.code===DOMException.INVALID_STATE_ERR&&this.mediaSourceOpenOrEnded&&!z)U.errorAction=wi(!0);else if(N.name===to&&this.sourceBufferCount===0)U.errorAction=wi(!0);else{const le=++this.appendErrors[n];this.warn(`Failed ${le}/${this.hls.config.appendErrorMaxRetry} times to append segment in "${n}" sourceBuffer (${z||"no media error"})`),(le>=this.hls.config.appendErrorMaxRetry||z)&&(U.fatal=!0)}this.hls.trigger(g.ERROR,U)}};this.append(B,n,this.isPending(this.tracks[n]))}getFlushOp(e,t,i){return this.log(`queuing "${e}" remove ${t}-${i}`),{label:"remove",execute:()=>{this.removeExecutor(e,t,i)},onStart:()=>{},onComplete:()=>{this.hls.trigger(g.BUFFER_FLUSHED,{type:e})},onError:s=>{this.warn(`Failed to remove ${t}-${i} from "${e}" SourceBuffer`,s)}}}onBufferFlushing(e,t){const{type:i,startOffset:s,endOffset:n}=t;i?this.append(this.getFlushOp(i,s,n),i):this.sourceBuffers.forEach(([r])=>{r&&this.append(this.getFlushOp(r,s,n),r)})}onFragParsed(e,t){const{frag:i,part:s}=t,n=[],r=s?s.elementaryStreams:i.elementaryStreams;r[ye.AUDIOVIDEO]?n.push("audiovideo"):(r[ye.AUDIO]&&n.push("audio"),r[ye.VIDEO]&&n.push("video"));const o=()=>{const u=self.performance.now();i.stats.buffering.end=u,s&&(s.stats.buffering.end=u);const l=s?s.stats:i.stats;this.hls.trigger(g.FRAG_BUFFERED,{frag:i,part:s,stats:l,id:i.type})};n.length===0&&this.warn(`Fragments must have at least one ElementaryStreamType set. type: ${i.type} level: ${i.level} sn: ${i.sn}`),this.blockBuffers(o,n).catch(u=>{this.warn(`Fragment buffered callback ${u}`),this.stepOperationQueue(this.sourceBufferTypes)})}onFragChanged(e,t){this.trimBuffers()}get bufferedToEnd(){return this.sourceBufferCount>0&&!this.sourceBuffers.some(([e])=>{var t,i;return e&&(!((t=this.tracks[e])!=null&&t.ended)||((i=this.tracks[e])==null?void 0:i.ending))})}onBufferEos(e,t){var i;this.sourceBuffers.forEach(([r])=>{if(r){const o=this.tracks[r];(!t.type||t.type===r)&&(o.ending=!0,o.ended||(o.ended=!0,this.log(`${r} buffer reached EOS`)))}});const s=((i=this.overrides)==null?void 0:i.endOfStream)!==!1;this.sourceBufferCount>0&&!this.sourceBuffers.some(([r])=>{var o;return r&&!((o=this.tracks[r])!=null&&o.ended)})&&(s?(this.log("Queueing EOS"),this.blockUntilOpen(()=>{this.tracksEnded();const{mediaSource:r}=this;if(!r||r.readyState!=="open"){r&&this.log(`Could not call mediaSource.endOfStream(). mediaSource.readyState: ${r.readyState}`);return}this.log("Calling mediaSource.endOfStream()"),r.endOfStream(),this.hls.trigger(g.BUFFERED_TO_END,void 0)})):(this.tracksEnded(),this.hls.trigger(g.BUFFERED_TO_END,void 0)))}tracksEnded(){this.sourceBuffers.forEach(([e])=>{if(e!==null){const t=this.tracks[e];t&&(t.ending=!1)}})}onLevelUpdated(e,{details:t}){t.fragments.length&&(this.details=t,this.updateDuration())}updateDuration(){const e=this.getDurationAndRange();e&&this.blockUntilOpen(()=>this.updateMediaSource(e))}onError(e,t){if(t.details===A.BUFFER_APPEND_ERROR&&t.frag){var i;const s=(i=t.errorAction)==null?void 0:i.nextAutoLevel;b(s)&&s!==t.frag.level&&this.resetAppendErrors()}}resetAppendErrors(){this.appendErrors={audio:0,video:0,audiovideo:0}}trimBuffers(){const{hls:e,details:t,media:i}=this;if(!i||t===null||!this.sourceBufferCount)return;const s=e.config,n=i.currentTime,r=t.levelTargetDuration,o=t.live&&s.liveBackBufferLength!==null?s.liveBackBufferLength:s.backBufferLength;if(b(o)&&o>=0){const u=Math.max(o,r),l=Math.floor(n/r)*r-u;this.flushBackBuffer(n,r,l)}if(b(s.frontBufferFlushThreshold)&&s.frontBufferFlushThreshold>0){const u=Math.max(s.maxBufferLength,s.frontBufferFlushThreshold),l=Math.max(u,r),d=Math.floor(n/r)*r+l;this.flushFrontBuffer(n,r,d)}}flushBackBuffer(e,t,i){this.sourceBuffers.forEach(([s,n])=>{if(n){const o=bt.getBuffered(n);if(o.length>0&&i>o.start(0)){var r;this.hls.trigger(g.BACK_BUFFER_REACHED,{bufferEnd:i});const u=this.tracks[s];if((r=this.details)!=null&&r.live)this.hls.trigger(g.LIVE_BACK_BUFFER_REACHED,{bufferEnd:i});else if(u!=null&&u.ended){this.log(`Cannot flush ${s} back buffer while SourceBuffer is in ended state`);return}this.hls.trigger(g.BUFFER_FLUSHING,{startOffset:0,endOffset:i,type:s})}}})}flushFrontBuffer(e,t,i){this.sourceBuffers.forEach(([s,n])=>{if(n){const r=bt.getBuffered(n),o=r.length;if(o<2)return;const u=r.start(o-1),l=r.end(o-1);if(i>u||e>=u&&e<=l)return;this.hls.trigger(g.BUFFER_FLUSHING,{startOffset:u,endOffset:1/0,type:s})}})}getDurationAndRange(){var e;const{details:t,mediaSource:i}=this;if(!t||!this.media||(i==null?void 0:i.readyState)!=="open")return null;const s=t.edge;if(t.live&&this.hls.config.liveDurationInfinity){if(t.fragments.length&&t.live&&i.setLiveSeekableRange){const l=Math.max(0,t.fragmentStart),d=Math.max(l,s);return{duration:1/0,start:l,end:d}}return{duration:1/0}}const n=(e=this.overrides)==null?void 0:e.duration;if(n)return b(n)?{duration:n}:null;const r=this.media.duration,o=b(i.duration)?i.duration:0;return s>o&&s>r||!b(r)?{duration:s}:null}updateMediaSource({duration:e,start:t,end:i}){const s=this.mediaSource;!this.media||!s||s.readyState!=="open"||(s.duration!==e&&(b(e)&&this.log(`Updating MediaSource duration to ${e.toFixed(3)}`),s.duration=e),t!==void 0&&i!==void 0&&(this.log(`MediaSource duration is set to ${s.duration}. Setting seekable range to ${t}-${i}.`),s.setLiveSeekableRange(t,i)))}get tracksReady(){const e=this.pendingTrackCount;return e>0&&(e>=this.bufferCodecEventsTotal||this.isPending(this.tracks.audiovideo))}checkPendingTracks(){const{bufferCodecEventsTotal:e,pendingTrackCount:t,tracks:i}=this;if(this.log(`checkPendingTracks (pending: ${t} codec events expected: ${e}) ${Et(i)}`),this.tracksReady){var s;const n=(s=this.transferData)==null?void 0:s.tracks;n&&Object.keys(n).length?this.attachTransferred():this.createSourceBuffers()}}bufferCreated(){if(this.sourceBufferCount){const e={};this.sourceBuffers.forEach(([t,i])=>{if(t){const s=this.tracks[t];e[t]={buffer:i,container:s.container,codec:s.codec,supplemental:s.supplemental,levelCodec:s.levelCodec,id:s.id,metadata:s.metadata}}}),this.hls.trigger(g.BUFFER_CREATED,{tracks:e}),this.log(`SourceBuffers created. Running queue: ${this.operationQueue}`),this.sourceBuffers.forEach(([t])=>{this.executeNext(t)})}else{const e=new Error("could not create source buffer for media codec(s)");this.hls.trigger(g.ERROR,{type:Z.MEDIA_ERROR,details:A.BUFFER_INCOMPATIBLE_CODECS_ERROR,fatal:!0,error:e,reason:e.message})}}createSourceBuffers(){const{tracks:e,sourceBuffers:t,mediaSource:i}=this;if(!i)throw new Error("createSourceBuffers called when mediaSource was null");for(const n in e){const r=n,o=e[r];if(this.isPending(o)){const u=this.getTrackCodec(o,r),l=`${o.container};codecs=${u}`;o.codec=u,this.log(`creating sourceBuffer(${l})${this.currentOp(r)?" Queued":""} ${Et(o)}`);try{const d=i.addSourceBuffer(l),h=sa(r),m=[r,d];t[h]=m,o.buffer=d}catch(d){var s;this.error(`error while trying to add sourceBuffer: ${d.message}`),this.shiftAndExecuteNext(r),(s=this.operationQueue)==null||s.removeBlockers(),delete this.tracks[r],this.hls.trigger(g.ERROR,{type:Z.MEDIA_ERROR,details:A.BUFFER_ADD_CODEC_ERROR,fatal:!1,error:d,sourceBufferName:r,mimeType:l,parent:o.id});return}this.trackSourceBuffer(r,o)}}this.bufferCreated()}getTrackCodec(e,t){const i=e.supplemental;let s=e.codec;i&&(t==="video"||t==="audiovideo")&&zi(i,"video")&&(s=ht(s,i));const n=ti(s,e.levelCodec);return n?t.slice(0,5)==="audio"?ci(n,this.appendSource):n:""}trackSourceBuffer(e,t){const i=t.buffer;if(!i)return;const s=this.getTrackCodec(t,e);this.tracks[e]={buffer:i,codec:s,container:t.container,levelCodec:t.levelCodec,supplemental:t.supplemental,metadata:t.metadata,id:t.id,listeners:[]},this.removeBufferListeners(e),this.addBufferListener(e,"updatestart",this.onSBUpdateStart),this.addBufferListener(e,"updateend",this.onSBUpdateEnd),this.addBufferListener(e,"error",this.onSBUpdateError),this.appendSource&&this.addBufferListener(e,"bufferedchange",(n,r)=>{const o=r.removedRanges;o!=null&&o.length&&this.hls.trigger(g.BUFFER_FLUSHED,{type:n})})}get mediaSrc(){var e,t;const i=((e=this.media)==null||(t=e.querySelector)==null?void 0:t.call(e,"source"))||this.media;return i==null?void 0:i.src}onSBUpdateStart(e){const t=this.currentOp(e);t&&t.onStart()}onSBUpdateEnd(e){var t;if(((t=this.mediaSource)==null?void 0:t.readyState)==="closed"){this.resetBuffer(e);return}const i=this.currentOp(e);i&&(i.onComplete(),this.shiftAndExecuteNext(e))}onSBUpdateError(e,t){var i;const s=new Error(`${e} SourceBuffer error. MediaSource readyState: ${(i=this.mediaSource)==null?void 0:i.readyState}`);this.error(`${s}`,t),this.hls.trigger(g.ERROR,{type:Z.MEDIA_ERROR,details:A.BUFFER_APPENDING_ERROR,sourceBufferName:e,error:s,fatal:!1});const n=this.currentOp(e);n&&n.onError(s)}removeExecutor(e,t,i){const{media:s,mediaSource:n}=this,r=this.tracks[e],o=r==null?void 0:r.buffer;if(!s||!n||!o){this.warn(`Attempting to remove from the ${e} SourceBuffer, but it does not exist`),this.shiftAndExecuteNext(e);return}const u=b(s.duration)?s.duration:1/0,l=b(n.duration)?n.duration:1/0,d=Math.max(0,t),h=Math.min(i,u,l);h>d&&(!r.ending||r.ended)?(r.ended=!1,this.log(`Removing [${d},${h}] from the ${e} SourceBuffer`),o.remove(d,h)):this.shiftAndExecuteNext(e)}appendExecutor(e,t){const i=this.tracks[t],s=i==null?void 0:i.buffer;if(!s)throw new Ql(`Attempting to append to the ${t} SourceBuffer, but it does not exist`);i.ending=!1,i.ended=!1,s.appendBuffer(e)}blockUntilOpen(e){if(this.isUpdating()||this.isQueued())this.blockBuffers(e).catch(t=>{this.warn(`SourceBuffer blocked callback ${t}`),this.stepOperationQueue(this.sourceBufferTypes)});else try{e()}catch(t){this.warn(`Callback run without blocking ${this.operationQueue} ${t}`)}}isUpdating(){return this.sourceBuffers.some(([e,t])=>e&&t.updating)}isQueued(){return this.sourceBuffers.some(([e])=>e&&!!this.currentOp(e))}isPending(e){return!!e&&!e.buffer}blockBuffers(e,t=this.sourceBufferTypes){if(!t.length)return this.log("Blocking operation requested, but no SourceBuffers exist"),Promise.resolve().then(e);const{operationQueue:i}=this,s=t.map(r=>this.appendBlocker(r));return t.length>1&&!!this.blockedAudioAppend&&this.unblockAudio(),Promise.all(s).then(r=>{i===this.operationQueue&&(e(),this.stepOperationQueue(this.sourceBufferTypes))})}stepOperationQueue(e){e.forEach(t=>{var i;const s=(i=this.tracks[t])==null?void 0:i.buffer;!s||s.updating||this.shiftAndExecuteNext(t)})}append(e,t,i){this.operationQueue&&this.operationQueue.append(e,t,i)}appendBlocker(e){if(this.operationQueue)return this.operationQueue.appendBlocker(e)}currentOp(e){return this.operationQueue?this.operationQueue.current(e):null}executeNext(e){e&&this.operationQueue&&this.operationQueue.executeNext(e)}shiftAndExecuteNext(e){this.operationQueue&&this.operationQueue.shiftAndExecuteNext(e)}get pendingTrackCount(){return Object.keys(this.tracks).reduce((e,t)=>e+(this.isPending(this.tracks[t])?1:0),0)}get sourceBufferCount(){return this.sourceBuffers.reduce((e,[t])=>e+(t?1:0),0)}get sourceBufferTypes(){return this.sourceBuffers.map(([e])=>e).filter(e=>!!e)}addBufferListener(e,t,i){const s=this.tracks[e];if(!s)return;const n=s.buffer;if(!n)return;const r=i.bind(this,e);s.listeners.push({event:t,listener:r}),n.addEventListener(t,r)}removeBufferListeners(e){const t=this.tracks[e];if(!t)return;const i=t.buffer;i&&(t.listeners.forEach(s=>{i.removeEventListener(s.event,s.listener)}),t.listeners.length=0)}}function io(a){const e=a.querySelectorAll("source");[].slice.call(e).forEach(t=>{a.removeChild(t)})}function eu(a,e){const t=self.document.createElement("source");t.type="video/mp4",t.src=e,a.appendChild(t)}function sa(a){return a==="audio"?1:0}class na{constructor(e){this.hls=void 0,this.autoLevelCapping=void 0,this.firstLevel=void 0,this.media=void 0,this.restrictedLevels=void 0,this.timer=void 0,this.clientRect=void 0,this.streamController=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()}setStreamController(e){this.streamController=e}destroy(){this.hls&&this.unregisterListener(),this.timer&&this.stopCapping(),this.media=null,this.clientRect=null,this.hls=this.streamController=null}registerListeners(){const{hls:e}=this;e.on(g.FPS_DROP_LEVEL_CAPPING,this.onFpsDropLevelCapping,this),e.on(g.MEDIA_ATTACHING,this.onMediaAttaching,this),e.on(g.MANIFEST_PARSED,this.onManifestParsed,this),e.on(g.LEVELS_UPDATED,this.onLevelsUpdated,this),e.on(g.BUFFER_CODECS,this.onBufferCodecs,this),e.on(g.MEDIA_DETACHING,this.onMediaDetaching,this)}unregisterListener(){const{hls:e}=this;e.off(g.FPS_DROP_LEVEL_CAPPING,this.onFpsDropLevelCapping,this),e.off(g.MEDIA_ATTACHING,this.onMediaAttaching,this),e.off(g.MANIFEST_PARSED,this.onManifestParsed,this),e.off(g.LEVELS_UPDATED,this.onLevelsUpdated,this),e.off(g.BUFFER_CODECS,this.onBufferCodecs,this),e.off(g.MEDIA_DETACHING,this.onMediaDetaching,this)}onFpsDropLevelCapping(e,t){const i=this.hls.levels[t.droppedLevel];this.isLevelAllowed(i)&&this.restrictedLevels.push({bitrate:i.bitrate,height:i.height,width:i.width})}onMediaAttaching(e,t){this.media=t.media instanceof HTMLVideoElement?t.media:null,this.clientRect=null,this.timer&&this.hls.levels.length&&this.detectPlayerSize()}onManifestParsed(e,t){const i=this.hls;this.restrictedLevels=[],this.firstLevel=t.firstLevel,i.config.capLevelToPlayerSize&&t.video&&this.startCapping()}onLevelsUpdated(e,t){this.timer&&b(this.autoLevelCapping)&&this.detectPlayerSize()}onBufferCodecs(e,t){this.hls.config.capLevelToPlayerSize&&t.video&&this.startCapping()}onMediaDetaching(){this.stopCapping(),this.media=null}detectPlayerSize(){if(this.media){if(this.mediaHeight<=0||this.mediaWidth<=0){this.clientRect=null;return}const e=this.hls.levels;if(e.length){const t=this.hls,i=this.getMaxLevel(e.length-1);i!==this.autoLevelCapping&&t.logger.log(`Setting autoLevelCapping to ${i}: ${e[i].height}p@${e[i].bitrate} for media ${this.mediaWidth}x${this.mediaHeight}`),t.autoLevelCapping=i,t.autoLevelEnabled&&t.autoLevelCapping>this.autoLevelCapping&&this.streamController&&this.streamController.nextLevelSwitch(),this.autoLevelCapping=t.autoLevelCapping}}}getMaxLevel(e){const t=this.hls.levels;if(!t.length)return-1;const i=t.filter((s,n)=>this.isLevelAllowed(s)&&n<=e);return this.clientRect=null,na.getMaxLevelByMediaSize(i,this.mediaWidth,this.mediaHeight)}startCapping(){this.timer||(this.autoLevelCapping=Number.POSITIVE_INFINITY,self.clearInterval(this.timer),this.timer=self.setInterval(this.detectPlayerSize.bind(this),1e3),this.detectPlayerSize())}stopCapping(){this.restrictedLevels=[],this.firstLevel=-1,this.autoLevelCapping=Number.POSITIVE_INFINITY,this.timer&&(self.clearInterval(this.timer),this.timer=void 0)}getDimensions(){if(this.clientRect)return this.clientRect;const e=this.media,t={width:0,height:0};if(e){const i=e.getBoundingClientRect();t.width=i.width,t.height=i.height,!t.width&&!t.height&&(t.width=i.right-i.left||e.width||0,t.height=i.bottom-i.top||e.height||0)}return this.clientRect=t,t}get mediaWidth(){return this.getDimensions().width*this.contentScaleFactor}get mediaHeight(){return this.getDimensions().height*this.contentScaleFactor}get contentScaleFactor(){let e=1;if(!this.hls.config.ignoreDevicePixelRatio)try{e=self.devicePixelRatio}catch(t){}return Math.min(e,this.hls.config.maxDevicePixelRatio)}isLevelAllowed(e){return!this.restrictedLevels.some(i=>e.bitrate===i.bitrate&&e.width===i.width&&e.height===i.height)}static getMaxLevelByMediaSize(e,t,i){if(!(e!=null&&e.length))return-1;const s=(o,u)=>u?o.width!==u.width||o.height!==u.height:!0;let n=e.length-1;const r=Math.max(t,i);for(let o=0;o<e.length;o+=1){const u=e[o];if((u.width>=r||u.height>=r)&&s(u,e[o+1])){n=o;break}}return n}}const Cs={MANIFEST:"m",AUDIO:"a",VIDEO:"v",MUXED:"av",INIT:"i",CAPTION:"c",TIMED_TEXT:"tt",KEY:"k",OTHER:"o"},tu={HLS:"h"},sr={OBJECT:"CMCD-Object",REQUEST:"CMCD-Request",SESSION:"CMCD-Session",STATUS:"CMCD-Status"},iu={[sr.OBJECT]:["br","d","ot","tb"],[sr.REQUEST]:["bl","dl","mtp","nor","nrr","su"],[sr.SESSION]:["cid","pr","sf","sid","st","v"],[sr.STATUS]:["bs","rtp"]};class Fn{constructor(e,t){Array.isArray(e)&&(e=e.map(i=>i instanceof Fn?i:new Fn(i))),this.value=e,this.params=t}}const su="Dict";function nu(a){return Array.isArray(a)?JSON.stringify(a):a instanceof Map?"Map{}":a instanceof Set?"Set{}":typeof a=="object"?JSON.stringify(a):String(a)}function ru(a,e,t,i){return new Error(`failed to ${a} "${nu(e)}" as ${t}`,{cause:i})}function nn(a,e,t){return ru("serialize",a,e,t)}class so{constructor(e){this.description=e}}const no="Bare Item",au="Boolean";function ou(a){if(typeof a!="boolean")throw nn(a,au);return a?"?1":"?0"}const lu="Byte Sequence";function uu(a){if(ArrayBuffer.isView(a)===!1)throw nn(a,lu);return`:${cl(a)}:`}const cu="Integer";function du(a){return a<-999999999999999||999999999999999<a}function ro(a){if(du(a))throw nn(a,cu);return a.toString()}function hu(a){return`@${ro(a.getTime()/1e3)}`}const fu="Decimal";function mu(a){const e=wa(a,3);if(Math.floor(Math.abs(e)).toString().length>12)throw nn(a,fu);const t=e.toString();return t.includes(".")?t:`${t}.0`}const gu="String",pu=/[\x00-\x1f\x7f]+/;function vu(a){if(pu.test(a))throw nn(a,gu);return`"${a.replace(/\\/g,"\\\\").replace(/"/g,'\\"')}"`}function Eu(a){return a.description||a.toString().slice(7,-1)}const yu="Token";function ao(a){const e=Eu(a);if(/^([a-zA-Z*])([!#$%&'*+\-.^_`|~\w:/]*)$/.test(e)===!1)throw nn(e,yu);return e}function ra(a){switch(typeof a){case"number":if(!b(a))throw nn(a,no);return Number.isInteger(a)?ro(a):mu(a);case"string":return vu(a);case"symbol":return ao(a);case"boolean":return ou(a);case"object":if(a instanceof Date)return hu(a);if(a instanceof Uint8Array)return uu(a);if(a instanceof so)return ao(a);default:throw nn(a,no)}}const _u="Key";function aa(a){if(/^[a-z*][a-z0-9\-_.*]*$/.test(a)===!1)throw nn(a,_u);return a}function oa(a){return a==null?"":Object.entries(a).map(([e,t])=>t===!0?`;${aa(e)}`:`;${aa(e)}=${ra(t)}`).join("")}function oo(a){return a instanceof Fn?`${ra(a.value)}${oa(a.params)}`:ra(a)}function Su(a){return`(${a.value.map(oo).join(" ")})${oa(a.params)}`}function Tu(a,e={whitespace:!0}){if(typeof a!="object")throw nn(a,su);const t=a instanceof Map?a.entries():Object.entries(a),i=e!=null&&e.whitespace?" ":"";return Array.from(t).map(([s,n])=>{n instanceof Fn||(n=new Fn(n));let r=aa(s);return n.value===!0?r+=oa(n.params):(r+="=",Array.isArray(n.value)?r+=Su(n):r+=oo(n)),r}).join(`,${i}`)}function xu(a,e){return Tu(a,e)}function Au(a){return a==="ot"||a==="sf"||a==="st"}function bu(a){return typeof a=="number"?b(a):a!=null&&a!==""&&a!==!1}const br=a=>Math.round(a),Lu=(a,e)=>(e!=null&&e.baseUrl&&(a=dl(a,e.baseUrl)),encodeURIComponent(a)),Lr=a=>br(a/100)*100,Ru={br,d:br,bl:Lr,dl:Lr,mtp:Lr,nor:Lu,rtp:Lr,tb:br};function Iu(a,e){const t={};if(a==null||typeof a!="object")return t;const i=Object.keys(a).sort(),s=Le({},Ru,e==null?void 0:e.formatters),n=e==null?void 0:e.filter;return i.forEach(r=>{if(n!=null&&n(r))return;let o=a[r];const u=s[r];u&&(o=u(o,e)),!(r==="v"&&o===1)&&(r=="pr"&&o===1||bu(o)&&(Au(r)&&typeof o=="string"&&(o=new so(o)),t[r]=o))}),t}function lo(a,e={}){return a?xu(Iu(a,e),Le({whitespace:!1},e)):""}function Cu(a,e={}){const t={};if(!a)return t;const i=Object.entries(a),s=Object.entries(iu).concat(Object.entries((e==null?void 0:e.customHeaderMap)||{})),n=i.reduce((r,o)=>{var u,l;const[d,h]=o,m=((u=s.find(v=>v[1].includes(d)))===null||u===void 0?void 0:u[0])||sr.REQUEST;return(l=r[m])!==null&&l!==void 0||(r[m]={}),r[m][d]=h,r},{});return Object.entries(n).reduce((r,[o,u])=>(r[o]=lo(u,e),r),t)}function Du(a,e,t){return Le(a,Cu(e,t))}const wu="CMCD";function ku(a,e={}){if(!a)return"";const t=lo(a,e);return`${wu}=${encodeURIComponent(t)}`}const uo=/CMCD=[^&#]+/;function Pu(a,e,t){const i=ku(e,t);if(!i)return a;if(uo.test(a))return a.replace(uo,i);const s=a.includes("?")?"&":"?";return`${a}${s}${i}`}class Ou{constructor(e){this.hls=void 0,this.config=void 0,this.media=void 0,this.sid=void 0,this.cid=void 0,this.useHeaders=!1,this.includeKeys=void 0,this.initialized=!1,this.starved=!1,this.buffering=!0,this.audioBuffer=void 0,this.videoBuffer=void 0,this.onWaiting=()=>{this.initialized&&(this.starved=!0),this.buffering=!0},this.onPlaying=()=>{this.initialized||(this.initialized=!0),this.buffering=!1},this.applyPlaylistData=s=>{try{this.apply(s,{ot:Cs.MANIFEST,su:!this.initialized})}catch(n){this.hls.logger.warn("Could not generate manifest CMCD data.",n)}},this.applyFragmentData=s=>{try{const{frag:n,part:r}=s,o=this.hls.levels[n.level],u=this.getObjectType(n),l={d:(r||n).duration*1e3,ot:u};(u===Cs.VIDEO||u===Cs.AUDIO||u==Cs.MUXED)&&(l.br=o.bitrate/1e3,l.tb=this.getTopBandwidth(u)/1e3,l.bl=this.getBufferLength(u));const d=r?this.getNextPart(r):this.getNextFrag(n);d!=null&&d.url&&d.url!==n.url&&(l.nor=d.url),this.apply(s,l)}catch(n){this.hls.logger.warn("Could not generate segment CMCD data.",n)}},this.hls=e;const t=this.config=e.config,{cmcd:i}=t;i!=null&&(t.pLoader=this.createPlaylistLoader(),t.fLoader=this.createFragmentLoader(),this.sid=i.sessionId||e.sessionId,this.cid=i.contentId,this.useHeaders=i.useHeaders===!0,this.includeKeys=i.includeKeys,this.registerListeners())}registerListeners(){const e=this.hls;e.on(g.MEDIA_ATTACHED,this.onMediaAttached,this),e.on(g.MEDIA_DETACHED,this.onMediaDetached,this),e.on(g.BUFFER_CREATED,this.onBufferCreated,this)}unregisterListeners(){const e=this.hls;e.off(g.MEDIA_ATTACHED,this.onMediaAttached,this),e.off(g.MEDIA_DETACHED,this.onMediaDetached,this),e.off(g.BUFFER_CREATED,this.onBufferCreated,this)}destroy(){this.unregisterListeners(),this.onMediaDetached(),this.hls=this.config=this.audioBuffer=this.videoBuffer=null,this.onWaiting=this.onPlaying=this.media=null}onMediaAttached(e,t){this.media=t.media,this.media.addEventListener("waiting",this.onWaiting),this.media.addEventListener("playing",this.onPlaying)}onMediaDetached(){this.media&&(this.media.removeEventListener("waiting",this.onWaiting),this.media.removeEventListener("playing",this.onPlaying),this.media=null)}onBufferCreated(e,t){var i,s;this.audioBuffer=(i=t.tracks.audio)==null?void 0:i.buffer,this.videoBuffer=(s=t.tracks.video)==null?void 0:s.buffer}createData(){var e;return{v:1,sf:tu.HLS,sid:this.sid,cid:this.cid,pr:(e=this.media)==null?void 0:e.playbackRate,mtp:this.hls.bandwidthEstimate/1e3}}apply(e,t={}){Le(t,this.createData());const i=t.ot===Cs.INIT||t.ot===Cs.VIDEO||t.ot===Cs.MUXED;this.starved&&i&&(t.bs=!0,t.su=!0,this.starved=!1),t.su==null&&(t.su=this.buffering);const{includeKeys:s}=this;s&&(t=Object.keys(t).reduce((r,o)=>(s.includes(o)&&(r[o]=t[o]),r),{}));const n={baseUrl:e.url};this.useHeaders?(e.headers||(e.headers={}),Du(e.headers,t,n)):e.url=Pu(e.url,t,n)}getNextFrag(e){var t;const i=(t=this.hls.levels[e.level])==null?void 0:t.details;if(i){const s=e.sn-i.startSN;return i.fragments[s+1]}}getNextPart(e){var t,i;const{index:s,fragment:n}=e,r=(t=this.hls.levels[n.level])==null||(i=t.details)==null?void 0:i.partList;if(r){const{sn:o}=n;for(let u=r.length-1;u>=0;u--){const l=r[u];if(l.index===s&&l.fragment.sn===o)return r[u+1]}}}getObjectType(e){const{type:t}=e;if(t==="subtitle")return Cs.TIMED_TEXT;if(e.sn==="initSegment")return Cs.INIT;if(t==="audio")return Cs.AUDIO;if(t==="main")return this.hls.audioTracks.length?Cs.VIDEO:Cs.MUXED}getTopBandwidth(e){let t=0,i;const s=this.hls;if(e===Cs.AUDIO)i=s.audioTracks;else{const n=s.maxAutoLevel,r=n>-1?n+1:s.levels.length;i=s.levels.slice(0,r)}for(const n of i)n.bitrate>t&&(t=n.bitrate);return t>0?t:NaN}getBufferLength(e){const t=this.media,i=e===Cs.AUDIO?this.audioBuffer:this.videoBuffer;return!i||!t?NaN:bt.bufferInfo(i,t.currentTime,this.config.maxBufferHole).len*1e3}createPlaylistLoader(){const{pLoader:e}=this.config,t=this.applyPlaylistData,i=e||this.config.loader;return class{constructor(n){this.loader=void 0,this.loader=new i(n)}get stats(){return this.loader.stats}get context(){return this.loader.context}destroy(){this.loader.destroy()}abort(){this.loader.abort()}load(n,r,o){t(n),this.loader.load(n,r,o)}}}createFragmentLoader(){const{fLoader:e}=this.config,t=this.applyFragmentData,i=e||this.config.loader;return class{constructor(n){this.loader=void 0,this.loader=new i(n)}get stats(){return this.loader.stats}get context(){return this.loader.context}destroy(){this.loader.destroy()}abort(){this.loader.abort()}load(n,r,o){t(n),this.loader.load(n,r,o)}}}}const Fu=3e5;class Mu extends Fe{constructor(e){super("content-steering",e.logger),this.hls=void 0,this.loader=null,this.uri=null,this.pathwayId=".",this._pathwayPriority=null,this.timeToLoad=300,this.reloadTimer=-1,this.updated=0,this.started=!1,this.enabled=!0,this.levels=null,this.audioTracks=null,this.subtitleTracks=null,this.penalizedPathways={},this.hls=e,this.registerListeners()}registerListeners(){const e=this.hls;e.on(g.MANIFEST_LOADING,this.onManifestLoading,this),e.on(g.MANIFEST_LOADED,this.onManifestLoaded,this),e.on(g.MANIFEST_PARSED,this.onManifestParsed,this),e.on(g.ERROR,this.onError,this)}unregisterListeners(){const e=this.hls;e&&(e.off(g.MANIFEST_LOADING,this.onManifestLoading,this),e.off(g.MANIFEST_LOADED,this.onManifestLoaded,this),e.off(g.MANIFEST_PARSED,this.onManifestParsed,this),e.off(g.ERROR,this.onError,this))}pathways(){return(this.levels||[]).reduce((e,t)=>(e.indexOf(t.pathwayId)===-1&&e.push(t.pathwayId),e),[])}get pathwayPriority(){return this._pathwayPriority}set pathwayPriority(e){this.updatePathwayPriority(e)}startLoad(){if(this.started=!0,this.clearTimeout(),this.enabled&&this.uri){if(this.updated){const e=this.timeToLoad*1e3-(performance.now()-this.updated);if(e>0){this.scheduleRefresh(this.uri,e);return}}this.loadSteeringManifest(this.uri)}}stopLoad(){this.started=!1,this.loader&&(this.loader.destroy(),this.loader=null),this.clearTimeout()}clearTimeout(){this.reloadTimer!==-1&&(self.clearTimeout(this.reloadTimer),this.reloadTimer=-1)}destroy(){this.unregisterListeners(),this.stopLoad(),this.hls=null,this.levels=this.audioTracks=this.subtitleTracks=null}removeLevel(e){const t=this.levels;t&&(this.levels=t.filter(i=>i!==e))}onManifestLoading(){this.stopLoad(),this.enabled=!0,this.timeToLoad=300,this.updated=0,this.uri=null,this.pathwayId=".",this.levels=this.audioTracks=this.subtitleTracks=null}onManifestLoaded(e,t){const{contentSteering:i}=t;i!==null&&(this.pathwayId=i.pathwayId,this.uri=i.uri,this.started&&this.startLoad())}onManifestParsed(e,t){this.audioTracks=t.audioTracks,this.subtitleTracks=t.subtitleTracks}onError(e,t){const{errorAction:i}=t;if((i==null?void 0:i.action)===di.SendAlternateToPenaltyBox&&i.flags===ri.MoveAllAlternatesMatchingHost){const s=this.levels;let n=this._pathwayPriority,r=this.pathwayId;if(t.context){const{groupId:o,pathwayId:u,type:l}=t.context;o&&s?r=this.getPathwayForGroupId(o,l,r):u&&(r=u)}r in this.penalizedPathways||(this.penalizedPathways[r]=performance.now()),!n&&s&&(n=this.pathways()),n&&n.length>1&&(this.updatePathwayPriority(n),i.resolved=this.pathwayId!==r),i.resolved||this.warn(`Could not resolve ${t.details} ("${t.error.message}") with content-steering for Pathway: ${r} levels: ${s&&s.length} priorities: ${Et(n)} penalized: ${Et(this.penalizedPathways)}`)}}filterParsedLevels(e){this.levels=e;let t=this.getLevelsForPathway(this.pathwayId);if(t.length===0){const i=e[0].pathwayId;this.log(`No levels found in Pathway ${this.pathwayId}. Setting initial Pathway to "${i}"`),t=this.getLevelsForPathway(i),this.pathwayId=i}return t.length!==e.length&&this.log(`Found ${t.length}/${e.length} levels in Pathway "${this.pathwayId}"`),t}getLevelsForPathway(e){return this.levels===null?[]:this.levels.filter(t=>e===t.pathwayId)}updatePathwayPriority(e){this._pathwayPriority=e;let t;const i=this.penalizedPathways,s=performance.now();Object.keys(i).forEach(n=>{s-i[n]>Fu&&delete i[n]});for(let n=0;n<e.length;n++){const r=e[n];if(r in i)continue;if(r===this.pathwayId)return;const o=this.hls.nextLoadLevel,u=this.hls.levels[o];if(t=this.getLevelsForPathway(r),t.length>0){this.log(`Setting Pathway to "${r}"`),this.pathwayId=r,zn(t),this.hls.trigger(g.LEVELS_UPDATED,{levels:t});const l=this.hls.levels[o];u&&l&&this.levels&&(l.attrs["STABLE-VARIANT-ID"]!==u.attrs["STABLE-VARIANT-ID"]&&l.bitrate!==u.bitrate&&this.log(`Unstable Pathways change from bitrate ${u.bitrate} to ${l.bitrate}`),this.hls.nextLoadLevel=o);break}}}getPathwayForGroupId(e,t,i){const s=this.getLevelsForPathway(i).concat(this.levels||[]);for(let n=0;n<s.length;n++)if(t===xe.AUDIO_TRACK&&s[n].hasAudioGroup(e)||t===xe.SUBTITLE_TRACK&&s[n].hasSubtitleGroup(e))return s[n].pathwayId;return i}clonePathways(e){const t=this.levels;if(!t)return;const i={},s={};e.forEach(n=>{const{ID:r,"BASE-ID":o,"URI-REPLACEMENT":u}=n;if(t.some(d=>d.pathwayId===r))return;const l=this.getLevelsForPathway(o).map(d=>{const h=new Li(d.attrs);h["PATHWAY-ID"]=r;const m=h.AUDIO&&`${h.AUDIO}_clone_${r}`,v=h.SUBTITLES&&`${h.SUBTITLES}_clone_${r}`;m&&(i[h.AUDIO]=m,h.AUDIO=m),v&&(s[h.SUBTITLES]=v,h.SUBTITLES=v);const E=ho(d.uri,h["STABLE-VARIANT-ID"],"PER-VARIANT-URIS",u),S=new ue({attrs:h,audioCodec:d.audioCodec,bitrate:d.bitrate,height:d.height,name:d.name,url:E,videoCodec:d.videoCodec,width:d.width});if(d.audioGroups)for(let _=1;_<d.audioGroups.length;_++)S.addGroupId("audio",`${d.audioGroups[_]}_clone_${r}`);if(d.subtitleGroups)for(let _=1;_<d.subtitleGroups.length;_++)S.addGroupId("text",`${d.subtitleGroups[_]}_clone_${r}`);return S});t.push(...l),co(this.audioTracks,i,u,r),co(this.subtitleTracks,s,u,r)})}loadSteeringManifest(e){const t=this.hls.config,i=t.loader;this.loader&&this.loader.destroy(),this.loader=new i(t);let s;try{s=new self.URL(e)}catch(d){this.enabled=!1,this.log(`Failed to parse Steering Manifest URI: ${e}`);return}if(s.protocol!=="data:"){const d=(this.hls.bandwidthEstimate||t.abrEwmaDefaultEstimate)|0;s.searchParams.set("_HLS_pathway",this.pathwayId),s.searchParams.set("_HLS_throughput",""+d)}const n={responseType:"json",url:s.href},r=t.steeringManifestLoadPolicy.default,o=r.errorRetry||r.timeoutRetry||{},u={loadPolicy:r,timeout:r.maxLoadTimeMs,maxRetry:o.maxNumRetry||0,retryDelay:o.retryDelayMs||0,maxRetryDelay:o.maxRetryDelayMs||0},l={onSuccess:(d,h,m,v)=>{this.log(`Loaded steering manifest: "${s}"`);const E=d.data;if((E==null?void 0:E.VERSION)!==1){this.log(`Steering VERSION ${E.VERSION} not supported!`);return}this.updated=performance.now(),this.timeToLoad=E.TTL;const{"RELOAD-URI":S,"PATHWAY-CLONES":_,"PATHWAY-PRIORITY":x}=E;if(S)try{this.uri=new self.URL(S,s).href}catch(L){this.enabled=!1,this.log(`Failed to parse Steering Manifest RELOAD-URI: ${S}`);return}this.scheduleRefresh(this.uri||m.url),_&&this.clonePathways(_);const R={steeringManifest:E,url:s.toString()};this.hls.trigger(g.STEERING_MANIFEST_LOADED,R),x&&this.updatePathwayPriority(x)},onError:(d,h,m,v)=>{if(this.log(`Error loading steering manifest: ${d.code} ${d.text} (${h.url})`),this.stopLoad(),d.code===410){this.enabled=!1,this.log(`Steering manifest ${h.url} no longer available`);return}let E=this.timeToLoad*1e3;if(d.code===429){const S=this.loader;if(typeof(S==null?void 0:S.getResponseHeader)=="function"){const _=S.getResponseHeader("Retry-After");_&&(E=parseFloat(_)*1e3)}this.log(`Steering manifest ${h.url} rate limited`);return}this.scheduleRefresh(this.uri||h.url,E)},onTimeout:(d,h,m)=>{this.log(`Timeout loading steering manifest (${h.url})`),this.scheduleRefresh(this.uri||h.url)}};this.log(`Requesting steering manifest: ${s}`),this.loader.load(n,u,l)}scheduleRefresh(e,t=this.timeToLoad*1e3){this.clearTimeout(),this.reloadTimer=self.setTimeout(()=>{var i;const s=(i=this.hls)==null?void 0:i.media;if(s&&!s.ended){this.loadSteeringManifest(e);return}this.scheduleRefresh(e,this.timeToLoad*1e3)},t)}}function co(a,e,t,i){a&&Object.keys(e).forEach(s=>{const n=a.filter(r=>r.groupId===s).map(r=>{const o=Le({},r);return o.details=void 0,o.attrs=new Li(o.attrs),o.url=o.attrs.URI=ho(r.url,r.attrs["STABLE-RENDITION-ID"],"PER-RENDITION-URIS",t),o.groupId=o.attrs["GROUP-ID"]=e[s],o.attrs["PATHWAY-ID"]=i,o});a.push(...n)})}function ho(a,e,t,i){const{HOST:s,PARAMS:n,[t]:r}=i;let o;e&&(o=r==null?void 0:r[e],o&&(a=o));const u=new self.URL(a);return s&&!o&&(u.host=s),n&&Object.keys(n).sort().forEach(l=>{l&&u.searchParams.set(l,n[l])}),u.href}class Mn extends Fe{constructor(e){super("eme",e.logger),this.hls=void 0,this.config=void 0,this.media=null,this.keyFormatPromise=null,this.keySystemAccessPromises={},this._requestLicenseFailureCount=0,this.mediaKeySessions=[],this.keyIdToKeySessionPromise={},this.setMediaKeysQueue=Mn.CDMCleanupPromise?[Mn.CDMCleanupPromise]:[],this.onMediaEncrypted=t=>{const{initDataType:i,initData:s}=t,n=`"${t.type}" event: init data type: "${i}"`;if(this.debug(n),s!==null){if(!this.keyFormatPromise){let r=Object.keys(this.keySystemAccessPromises);r.length||(r=Je(this.config));const o=r.map(Ws).filter(u=>!!u);this.keyFormatPromise=this.getKeyFormatPromise(o)}this.keyFormatPromise.then(r=>{const o=Hs(r);let u,l;if(i==="sinf"){if(o!==jt.FAIRPLAY){this.warn(`Ignoring unexpected "${t.type}" event with init data type: "${i}" for selected key-system ${o}`);return}const E=Ct(new Uint8Array(s));try{const S=Xi(JSON.parse(E).sinf),_=Te(S);if(!_)throw new Error("'schm' box missing or not cbcs/cenc with schi > tenc");u=new Uint8Array(_.subarray(8,24)),l=jt.FAIRPLAY}catch(S){this.warn(`${n} Failed to parse sinf: ${S}`);return}}else{if(o!==jt.WIDEVINE&&o!==jt.PLAYREADY){this.warn(`Ignoring unexpected "${t.type}" event with init data type: "${i}" for selected key-system ${o}`);return}const E=rs(s),S=E.filter(x=>!!x.systemId&&on(x.systemId)===o);S.length>1&&this.warn(`${n} Using first of ${S.length} pssh found for selected key-system ${o}`);const _=S[0];if(!_){E.length===0||E.some(x=>!x.systemId)?this.warn(`${n} contains incomplete or invalid pssh data`):this.log(`ignoring ${n} for ${E.map(x=>on(x.systemId)).join(",")} pssh data in favor of playlist keys`);return}if(l=on(_.systemId),_.version===0&&_.data)if(l===jt.WIDEVINE){const x=_.data.length-22;u=new Uint8Array(_.data.subarray(x,x+16))}else l===jt.PLAYREADY&&(u=ln(_.data))}if(!l||!u)return;const d=ne.hexDump(u),{keyIdToKeySessionPromise:h,mediaKeySessions:m}=this;let v=h[d];for(let E=0;E<m.length;E++){const S=m[E],_=S.decryptdata;if(!_.keyId)continue;const x=ne.hexDump(_.keyId);if(d===x||_.uri.replace(/-/g,"").indexOf(d)!==-1){if(v=h[x],_.pssh)break;delete h[x],_.pssh=new Uint8Array(s),_.keyId=u,v=h[d]=v.then(()=>this.generateRequestWithPreferredKeySession(S,i,s,"encrypted-event-key-match")),v.catch(R=>this.handleError(R));break}}if(!v){if(l!==o){this.log(`Ignoring "${t.type}" event with ${l} init data for selected key-system ${o}`);return}v=h[d]=this.getKeySystemSelectionPromise([l]).then(({keySystem:E,mediaKeys:S})=>{var _;this.throwIfDestroyed();const x=new ps("ISO-23001-7",d,(_=Ws(E))!=null?_:"");return x.pssh=new Uint8Array(s),x.keyId=u,this.attemptSetMediaKeys(E,S).then(()=>{this.throwIfDestroyed();const R=this.createMediaKeySessionContext({decryptdata:x,keySystem:E,mediaKeys:S});return this.generateRequestWithPreferredKeySession(R,i,s,"encrypted-event-no-match")})}),v.catch(E=>this.handleError(E))}})}},this.onWaitingForKey=t=>{this.log(`"${t.type}" event`)},this.hls=e,this.config=e.config,this.registerListeners()}destroy(){const e=this.media;this.unregisterListeners(),this.onMediaDetached(),this._clear(e);const t=this.config;t.requestMediaKeySystemAccessFunc=null,t.licenseXhrSetup=t.licenseResponseCallback=void 0,t.drmSystems=t.drmSystemOptions={},this.hls=this.config=this.keyIdToKeySessionPromise=null,this.onMediaEncrypted=this.onWaitingForKey=null}registerListeners(){this.hls.on(g.MEDIA_ATTACHED,this.onMediaAttached,this),this.hls.on(g.MEDIA_DETACHED,this.onMediaDetached,this),this.hls.on(g.MANIFEST_LOADING,this.onManifestLoading,this),this.hls.on(g.MANIFEST_LOADED,this.onManifestLoaded,this)}unregisterListeners(){this.hls.off(g.MEDIA_ATTACHED,this.onMediaAttached,this),this.hls.off(g.MEDIA_DETACHED,this.onMediaDetached,this),this.hls.off(g.MANIFEST_LOADING,this.onManifestLoading,this),this.hls.off(g.MANIFEST_LOADED,this.onManifestLoaded,this)}getLicenseServerUrl(e){const{drmSystems:t,widevineLicenseUrl:i}=this.config,s=t[e];if(s)return s.licenseUrl;if(e===jt.WIDEVINE&&i)return i}getLicenseServerUrlOrThrow(e){const t=this.getLicenseServerUrl(e);if(t===void 0)throw new Error(`no license server URL configured for key-system "${e}"`);return t}getServerCertificateUrl(e){const{drmSystems:t}=this.config,i=t[e];if(i)return i.serverCertificateUrl;this.log(`No Server Certificate in config.drmSystems["${e}"]`)}attemptKeySystemAccess(e){const t=this.hls.levels,i=(r,o,u)=>!!r&&u.indexOf(r)===o,s=t.map(r=>r.audioCodec).filter(i),n=t.map(r=>r.videoCodec).filter(i);return s.length+n.length===0&&n.push("avc1.42e01e"),new Promise((r,o)=>{const u=l=>{const d=l.shift();this.getMediaKeysPromise(d,s,n).then(h=>r({keySystem:d,mediaKeys:h})).catch(h=>{l.length?u(l):h instanceof Us?o(h):o(new Us({type:Z.KEY_SYSTEM_ERROR,details:A.KEY_SYSTEM_NO_ACCESS,error:h,fatal:!0},h.message))})};u(e)})}requestMediaKeySystemAccess(e,t){const{requestMediaKeySystemAccessFunc:i}=this.config;if(typeof i!="function"){let s=`Configured requestMediaKeySystemAccess is not a function ${i}`;return Rt===null&&self.location.protocol==="http:"&&(s=`navigator.requestMediaKeySystemAccess is not available over insecure protocol ${location.protocol}`),Promise.reject(new Error(s))}return i(e,t)}getMediaKeysPromise(e,t,i){const s=Ri(e,t,i,this.config.drmSystemOptions),n=this.keySystemAccessPromises[e];let r=n==null?void 0:n.keySystemAccess;if(!r){this.log(`Requesting encrypted media "${e}" key-system access with config: ${Et(s)}`),r=this.requestMediaKeySystemAccess(e,s);const o=this.keySystemAccessPromises[e]={keySystemAccess:r};return r.catch(u=>{this.log(`Failed to obtain access to key-system "${e}": ${u}`)}),r.then(u=>{this.log(`Access for key-system "${u.keySystem}" obtained`);const l=this.fetchServerCertificate(e);return this.log(`Create media-keys for "${e}"`),o.mediaKeys=u.createMediaKeys().then(d=>(this.log(`Media-keys created for "${e}"`),l.then(h=>h?this.setMediaKeysServerCertificate(d,e,h):d))),o.mediaKeys.catch(d=>{this.error(`Failed to create media-keys for "${e}"}: ${d}`)}),o.mediaKeys})}return r.then(()=>n.mediaKeys)}createMediaKeySessionContext({decryptdata:e,keySystem:t,mediaKeys:i}){this.log(`Creating key-system session "${t}" keyId: ${ne.hexDump(e.keyId||[])}`);const s=i.createSession(),n={decryptdata:e,keySystem:t,mediaKeys:i,mediaKeysSession:s,keyStatus:"status-pending"};return this.mediaKeySessions.push(n),n}renewKeySession(e){const t=e.decryptdata;if(t.pssh){const i=this.createMediaKeySessionContext(e),s=this.getKeyIdString(t),n="cenc";this.keyIdToKeySessionPromise[s]=this.generateRequestWithPreferredKeySession(i,n,t.pssh.buffer,"expired")}else this.warn("Could not renew expired session. Missing pssh initData.");this.removeSession(e)}getKeyIdString(e){if(!e)throw new Error("Could not read keyId of undefined decryptdata");if(e.keyId===null)throw new Error("keyId is null");return ne.hexDump(e.keyId)}updateKeySession(e,t){var i;const s=e.mediaKeysSession;return this.log(`Updating key-session "${s.sessionId}" for keyID ${ne.hexDump(((i=e.decryptdata)==null?void 0:i.keyId)||[])}
|
|
} (data length: ${t&&t.byteLength})`),s.update(t)}selectKeySystemFormat(e){const t=Object.keys(e.levelkeys||{});return this.keyFormatPromise||(this.log(`Selecting key-system from fragment (sn: ${e.sn} ${e.type}: ${e.level}) key formats ${t.join(", ")}`),this.keyFormatPromise=this.getKeyFormatPromise(t)),this.keyFormatPromise}getKeyFormatPromise(e){return new Promise((t,i)=>{const s=Je(this.config),n=e.map(Hs).filter(r=>!!r&&s.indexOf(r)!==-1);return this.getKeySystemSelectionPromise(n).then(({keySystem:r})=>{const o=Ws(r);o?t(o):i(new Error(`Unable to find format for key-system "${r}"`))}).catch(i)})}loadKey(e){const t=e.keyInfo.decryptdata,i=this.getKeyIdString(t),s=`(keyId: ${i} format: "${t.keyFormat}" method: ${t.method} uri: ${t.uri})`;this.log(`Starting session for key ${s}`);let n=this.keyIdToKeySessionPromise[i];return n||(n=this.getKeySystemForKeyPromise(t).then(({keySystem:o,mediaKeys:u})=>(this.throwIfDestroyed(),this.log(`Handle encrypted media sn: ${e.frag.sn} ${e.frag.type}: ${e.frag.level} using key ${s}`),this.attemptSetMediaKeys(o,u).then(()=>(this.throwIfDestroyed(),this.createMediaKeySessionContext({keySystem:o,mediaKeys:u,decryptdata:t}))))),(this.keyIdToKeySessionPromise[i]=n.then(o=>{const u="cenc",l=t.pssh?t.pssh.buffer:null;return this.generateRequestWithPreferredKeySession(o,u,l,"playlist-key")})).catch(o=>this.handleError(o))),n}throwIfDestroyed(e="Invalid state"){if(!this.hls)throw new Error("invalid state")}handleError(e){this.hls&&(this.error(e.message),e instanceof Us?this.hls.trigger(g.ERROR,e.data):this.hls.trigger(g.ERROR,{type:Z.KEY_SYSTEM_ERROR,details:A.KEY_SYSTEM_NO_KEYS,error:e,fatal:!0}))}getKeySystemForKeyPromise(e){const t=this.getKeyIdString(e),i=this.keyIdToKeySessionPromise[t];if(!i){const s=Hs(e.keyFormat),n=s?[s]:Je(this.config);return this.attemptKeySystemAccess(n)}return i}getKeySystemSelectionPromise(e){if(e.length||(e=Je(this.config)),e.length===0)throw new Us({type:Z.KEY_SYSTEM_ERROR,details:A.KEY_SYSTEM_NO_CONFIGURED_LICENSE,fatal:!0},`Missing key-system license configuration options ${Et({drmSystems:this.config.drmSystems})}`);return this.attemptKeySystemAccess(e)}attemptSetMediaKeys(e,t){const i=this.setMediaKeysQueue.slice();this.log(`Setting media-keys for "${e}"`);const s=Promise.all(i).then(()=>{if(!this.media)throw new Error("Attempted to set mediaKeys without media element attached");return this.media.setMediaKeys(t)});return this.setMediaKeysQueue.push(s),s.then(()=>{this.log(`Media-keys set for "${e}"`),i.push(s),this.setMediaKeysQueue=this.setMediaKeysQueue.filter(n=>i.indexOf(n)===-1)})}generateRequestWithPreferredKeySession(e,t,i,s){var n,r;const o=(n=this.config.drmSystems)==null||(r=n[e.keySystem])==null?void 0:r.generateRequest;if(o)try{const E=o.call(this.hls,t,i,e);if(!E)throw new Error("Invalid response from configured generateRequest filter");t=E.initDataType,i=E.initData?E.initData:null,e.decryptdata.pssh=i?new Uint8Array(i):null}catch(E){var u;if(this.warn(E.message),(u=this.hls)!=null&&u.config.debug)throw E}if(i===null)return this.log(`Skipping key-session request for "${s}" (no initData)`),Promise.resolve(e);const l=this.getKeyIdString(e.decryptdata);this.log(`Generating key-session request for "${s}": ${l} (init data type: ${t} length: ${i?i.byteLength:null})`);const d=new qn,h=e._onmessage=E=>{const S=e.mediaKeysSession;if(!S){d.emit("error",new Error("invalid state"));return}const{messageType:_,message:x}=E;this.log(`"${_}" message event for session "${S.sessionId}" message size: ${x.byteLength}`),_==="license-request"||_==="license-renewal"?this.renewLicense(e,x).catch(R=>{d.eventNames().length?d.emit("error",R):this.handleError(R)}):_==="license-release"?e.keySystem===jt.FAIRPLAY&&(this.updateKeySession(e,Ls("acknowledged")),this.removeSession(e)):this.warn(`unhandled media key message type "${_}"`)},m=e._onkeystatuseschange=E=>{if(!e.mediaKeysSession){d.emit("error",new Error("invalid state"));return}this.onKeyStatusChange(e);const _=e.keyStatus;d.emit("keyStatus",_),_==="expired"&&(this.warn(`${e.keySystem} expired for key ${l}`),this.renewKeySession(e))};e.mediaKeysSession.addEventListener("message",h),e.mediaKeysSession.addEventListener("keystatuseschange",m);const v=new Promise((E,S)=>{d.on("error",S),d.on("keyStatus",_=>{_.startsWith("usable")?E():_==="output-restricted"?S(new Us({type:Z.KEY_SYSTEM_ERROR,details:A.KEY_SYSTEM_STATUS_OUTPUT_RESTRICTED,fatal:!1},"HDCP level output restricted")):_==="internal-error"?S(new Us({type:Z.KEY_SYSTEM_ERROR,details:A.KEY_SYSTEM_STATUS_INTERNAL_ERROR,fatal:!0},`key status changed to "${_}"`)):_==="expired"?S(new Error("key expired while generating request")):this.warn(`unhandled key status change "${_}"`)})});return e.mediaKeysSession.generateRequest(t,i).then(()=>{var E;this.log(`Request generated for key-session "${(E=e.mediaKeysSession)==null?void 0:E.sessionId}" keyId: ${l}`)}).catch(E=>{throw new Us({type:Z.KEY_SYSTEM_ERROR,details:A.KEY_SYSTEM_NO_SESSION,error:E,fatal:!1},`Error generating key-session request: ${E}`)}).then(()=>v).catch(E=>{throw d.removeAllListeners(),this.removeSession(e),E}).then(()=>(d.removeAllListeners(),e))}onKeyStatusChange(e){e.mediaKeysSession.keyStatuses.forEach((t,i)=>{if(typeof i=="string"&&typeof t=="object"){const s=i;i=t,t=s}this.log(`key status change "${t}" for keyStatuses keyId: ${ne.hexDump("buffer"in i?new Uint8Array(i.buffer,i.byteOffset,i.byteLength):new Uint8Array(i))} session keyId: ${ne.hexDump(new Uint8Array(e.decryptdata.keyId||[]))} uri: ${e.decryptdata.uri}`),e.keyStatus=t})}fetchServerCertificate(e){const t=this.config,i=t.loader,s=new i(t),n=this.getServerCertificateUrl(e);return n?(this.log(`Fetching server certificate for "${e}"`),new Promise((r,o)=>{const u={responseType:"arraybuffer",url:n},l=t.certLoadPolicy.default,d={loadPolicy:l,timeout:l.maxLoadTimeMs,maxRetry:0,retryDelay:0,maxRetryDelay:0},h={onSuccess:(m,v,E,S)=>{r(m.data)},onError:(m,v,E,S)=>{o(new Us({type:Z.KEY_SYSTEM_ERROR,details:A.KEY_SYSTEM_SERVER_CERTIFICATE_REQUEST_FAILED,fatal:!0,networkDetails:E,response:j({url:u.url,data:void 0},m)},`"${e}" certificate request failed (${n}). Status: ${m.code} (${m.text})`))},onTimeout:(m,v,E)=>{o(new Us({type:Z.KEY_SYSTEM_ERROR,details:A.KEY_SYSTEM_SERVER_CERTIFICATE_REQUEST_FAILED,fatal:!0,networkDetails:E,response:{url:u.url,data:void 0}},`"${e}" certificate request timed out (${n})`))},onAbort:(m,v,E)=>{o(new Error("aborted"))}};s.load(u,d,h)})):Promise.resolve()}setMediaKeysServerCertificate(e,t,i){return new Promise((s,n)=>{e.setServerCertificate(i).then(r=>{this.log(`setServerCertificate ${r?"success":"not supported by CDM"} (${i==null?void 0:i.byteLength}) on "${t}"`),s(e)}).catch(r=>{n(new Us({type:Z.KEY_SYSTEM_ERROR,details:A.KEY_SYSTEM_SERVER_CERTIFICATE_UPDATE_FAILED,error:r,fatal:!0},r.message))})})}renewLicense(e,t){return this.requestLicense(e,new Uint8Array(t)).then(i=>this.updateKeySession(e,new Uint8Array(i)).catch(s=>{throw new Us({type:Z.KEY_SYSTEM_ERROR,details:A.KEY_SYSTEM_SESSION_UPDATE_FAILED,error:s,fatal:!0},s.message)}))}unpackPlayReadyKeyMessage(e,t){const i=String.fromCharCode.apply(null,new Uint16Array(t.buffer));if(!i.includes("PlayReadyKeyMessage"))return e.setRequestHeader("Content-Type","text/xml; charset=utf-8"),t;const s=new DOMParser().parseFromString(i,"application/xml"),n=s.querySelectorAll("HttpHeader");if(n.length>0){let d;for(let h=0,m=n.length;h<m;h++){var r,o;d=n[h];const v=(r=d.querySelector("name"))==null?void 0:r.textContent,E=(o=d.querySelector("value"))==null?void 0:o.textContent;v&&E&&e.setRequestHeader(v,E)}}const u=s.querySelector("Challenge"),l=u==null?void 0:u.textContent;if(!l)throw new Error("Cannot find <Challenge> in key message");return Ls(atob(l))}setupLicenseXHR(e,t,i,s){const n=this.config.licenseXhrSetup;return n?Promise.resolve().then(()=>{if(!i.decryptdata)throw new Error("Key removed");return n.call(this.hls,e,t,i,s)}).catch(r=>{if(!i.decryptdata)throw r;return e.open("POST",t,!0),n.call(this.hls,e,t,i,s)}).then(r=>(e.readyState||e.open("POST",t,!0),{xhr:e,licenseChallenge:r||s})):(e.open("POST",t,!0),Promise.resolve({xhr:e,licenseChallenge:s}))}requestLicense(e,t){const i=this.config.keyLoadPolicy.default;return new Promise((s,n)=>{const r=this.getLicenseServerUrlOrThrow(e.keySystem);this.log(`Sending license request to URL: ${r}`);const o=new XMLHttpRequest;o.responseType="arraybuffer",o.onreadystatechange=()=>{if(!this.hls||!e.mediaKeysSession)return n(new Error("invalid state"));if(o.readyState===4)if(o.status===200){this._requestLicenseFailureCount=0;let u=o.response;this.log(`License received ${u instanceof ArrayBuffer?u.byteLength:u}`);const l=this.config.licenseResponseCallback;if(l)try{u=l.call(this.hls,o,r,e)}catch(d){this.error(d)}s(u)}else{const u=i.errorRetry,l=u?u.maxNumRetry:0;if(this._requestLicenseFailureCount++,this._requestLicenseFailureCount>l||o.status>=400&&o.status<500)n(new Us({type:Z.KEY_SYSTEM_ERROR,details:A.KEY_SYSTEM_LICENSE_REQUEST_FAILED,fatal:!0,networkDetails:o,response:{url:r,data:void 0,code:o.status,text:o.statusText}},`License Request XHR failed (${r}). Status: ${o.status} (${o.statusText})`));else{const d=l-this._requestLicenseFailureCount+1;this.warn(`Retrying license request, ${d} attempts left`),this.requestLicense(e,t).then(s,n)}}},e.licenseXhr&&e.licenseXhr.readyState!==XMLHttpRequest.DONE&&e.licenseXhr.abort(),e.licenseXhr=o,this.setupLicenseXHR(o,r,e,t).then(({xhr:u,licenseChallenge:l})=>{e.keySystem==jt.PLAYREADY&&(l=this.unpackPlayReadyKeyMessage(u,l)),u.send(l)})})}onMediaAttached(e,t){if(!this.config.emeEnabled)return;const i=t.media;this.media=i,i.removeEventListener("encrypted",this.onMediaEncrypted),i.removeEventListener("waitingforkey",this.onWaitingForKey),i.addEventListener("encrypted",this.onMediaEncrypted),i.addEventListener("waitingforkey",this.onWaitingForKey)}onMediaDetached(){const e=this.media;e&&(e.removeEventListener("encrypted",this.onMediaEncrypted),e.removeEventListener("waitingforkey",this.onWaitingForKey),this.media=null)}_clear(e){var t;const i=this.mediaKeySessions;this._requestLicenseFailureCount=0,this.setMediaKeysQueue=[],this.mediaKeySessions=[],this.keyIdToKeySessionPromise={},ps.clearKeyUriToKeyIdMap();const s=i.length;Mn.CDMCleanupPromise=Promise.all(i.map(n=>this.removeSession(n)).concat(e==null||(t=e.setMediaKeys(null))==null?void 0:t.catch(n=>{var r;this.log(`Could not clear media keys: ${n}`),(r=this.hls)==null||r.trigger(g.ERROR,{type:Z.OTHER_ERROR,details:A.KEY_SYSTEM_DESTROY_MEDIA_KEYS_ERROR,fatal:!1,error:new Error(`Could not clear media keys: ${n}`)})}))).then(()=>{s&&(this.log("finished closing key sessions and clearing media keys"),i.length=0)}).catch(n=>{var r;this.log(`Could not close sessions and clear media keys: ${n}`),(r=this.hls)==null||r.trigger(g.ERROR,{type:Z.OTHER_ERROR,details:A.KEY_SYSTEM_DESTROY_CLOSE_SESSION_ERROR,fatal:!1,error:new Error(`Could not close sessions and clear media keys: ${n}`)})})}onManifestLoading(){this.keyFormatPromise=null}onManifestLoaded(e,{sessionKeys:t}){if(!(!t||!this.config.emeEnabled)&&!this.keyFormatPromise){const i=t.reduce((s,n)=>(s.indexOf(n.keyFormat)===-1&&s.push(n.keyFormat),s),[]);this.log(`Selecting key-system from session-keys ${i.join(", ")}`),this.keyFormatPromise=this.getKeyFormatPromise(i)}}removeSession(e){const{mediaKeysSession:t,licenseXhr:i}=e;if(t){this.log(`Remove licenses and keys and close session ${t.sessionId}`),e._onmessage&&(t.removeEventListener("message",e._onmessage),e._onmessage=void 0),e._onkeystatuseschange&&(t.removeEventListener("keystatuseschange",e._onkeystatuseschange),e._onkeystatuseschange=void 0),i&&i.readyState!==XMLHttpRequest.DONE&&i.abort(),e.mediaKeysSession=e.decryptdata=e.licenseXhr=void 0;const s=this.mediaKeySessions.indexOf(e);s>-1&&this.mediaKeySessions.splice(s,1);const{drmSystemOptions:n}=this.config;return(Fi(n)?new Promise((o,u)=>{self.setTimeout(()=>u(new Error("MediaKeySession.remove() timeout")),8e3),t.remove().then(o)}):Promise.resolve()).catch(o=>{var u;this.log(`Could not remove session: ${o}`),(u=this.hls)==null||u.trigger(g.ERROR,{type:Z.OTHER_ERROR,details:A.KEY_SYSTEM_DESTROY_REMOVE_SESSION_ERROR,fatal:!1,error:new Error(`Could not remove session: ${o}`)})}).then(()=>t.close()).catch(o=>{var u;this.log(`Could not close session: ${o}`),(u=this.hls)==null||u.trigger(g.ERROR,{type:Z.OTHER_ERROR,details:A.KEY_SYSTEM_DESTROY_CLOSE_SESSION_ERROR,fatal:!1,error:new Error(`Could not close session: ${o}`)})})}}}Mn.CDMCleanupPromise=void 0;class Us extends Error{constructor(e,t){super(t),this.data=void 0,e.error||(e.error=new Error(t)),this.data=e,e.err=e.error}}class Bu{constructor(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()}setStreamController(e){this.streamController=e}registerListeners(){this.hls.on(g.MEDIA_ATTACHING,this.onMediaAttaching,this),this.hls.on(g.MEDIA_DETACHING,this.onMediaDetaching,this)}unregisterListeners(){this.hls.off(g.MEDIA_ATTACHING,this.onMediaAttaching,this),this.hls.off(g.MEDIA_DETACHING,this.onMediaDetaching,this)}destroy(){this.timer&&clearInterval(this.timer),this.unregisterListeners(),this.isVideoPlaybackQualityAvailable=!1,this.media=null}onMediaAttaching(e,t){const i=this.hls.config;if(i.capLevelOnFPSDrop){const s=t.media instanceof self.HTMLVideoElement?t.media:null;this.media=s,s&&typeof s.getVideoPlaybackQuality=="function"&&(this.isVideoPlaybackQualityAvailable=!0),self.clearInterval(this.timer),this.timer=self.setInterval(this.checkFPSInterval.bind(this),i.fpsDroppedMonitoringPeriod)}}onMediaDetaching(){this.media=null}checkFPS(e,t,i){const s=performance.now();if(t){if(this.lastTime){const n=s-this.lastTime,r=i-this.lastDroppedFrames,o=t-this.lastDecodedFrames,u=1e3*r/n,l=this.hls;if(l.trigger(g.FPS_DROP,{currentDropped:r,currentDecoded:o,totalDroppedFrames:i}),u>0&&r>l.config.fpsDroppedMonitoringThreshold*o){let d=l.currentLevel;l.logger.warn("drop FPS ratio greater than max allowed value for currentLevel: "+d),d>0&&(l.autoLevelCapping===-1||l.autoLevelCapping>=d)&&(d=d-1,l.trigger(g.FPS_DROP_LEVEL_CAPPING,{level:d,droppedLevel:l.currentLevel}),l.autoLevelCapping=d,this.streamController.nextLevelSwitch())}}this.lastTime=s,this.lastDroppedFrames=i,this.lastDecodedFrames=t}}checkFPSInterval(){const e=this.media;if(e)if(this.isVideoPlaybackQualityAvailable){const t=e.getVideoPlaybackQuality();this.checkFPS(e,t.totalVideoFrames,t.droppedVideoFrames)}else this.checkFPS(e,e.webkitDecodedFrameCount,e.webkitDroppedFrameCount)}}function fo(a,e){let t;try{t=new Event("addtrack")}catch(i){t=document.createEvent("Event"),t.initEvent("addtrack",!1,!1)}t.track=a,e.dispatchEvent(t)}function mo(a,e){const t=a.mode;if(t==="disabled"&&(a.mode="hidden"),a.cues&&!a.cues.getCueById(e.id))try{if(a.addCue(e),!a.cues.getCueById(e.id))throw new Error(`addCue is failed for: ${e}`)}catch(i){Y.debug(`[texttrack-utils]: ${i}`);try{const s=new self.TextTrackCue(e.startTime,e.endTime,e.text);s.id=e.id,a.addCue(s)}catch(s){Y.debug(`[texttrack-utils]: Legacy TextTrackCue fallback failed: ${s}`)}}t==="disabled"&&(a.mode=t)}function Bn(a,e){const t=a.mode;if(t==="disabled"&&(a.mode="hidden"),a.cues)for(let i=a.cues.length;i--;)e&&a.cues[i].removeEventListener("enter",e),a.removeCue(a.cues[i]);t==="disabled"&&(a.mode=t)}function la(a,e,t,i){const s=a.mode;if(s==="disabled"&&(a.mode="hidden"),a.cues&&a.cues.length>0){const n=Uu(a.cues,e,t);for(let r=0;r<n.length;r++)(!i||i(n[r]))&&a.removeCue(n[r])}s==="disabled"&&(a.mode=s)}function Nu(a,e){if(e<=a[0].startTime)return 0;const t=a.length-1;if(e>a[t].endTime)return-1;let i=0,s=t,n;for(;i<=s;)if(n=Math.floor((s+i)/2),e<a[n].startTime)s=n-1;else if(e>a[n].startTime&&i<t)i=n+1;else return n;return a[i].startTime-e<e-a[s].startTime?i:s}function Uu(a,e,t){const i=[],s=Nu(a,e);if(s>-1)for(let n=s,r=a.length;n<r;n++){const o=a[n];if(o.startTime>=e&&o.endTime<=t)i.push(o);else if(o.startTime>t)return i}return i}function Rr(a){const e=[];for(let t=0;t<a.length;t++){const i=a[t];(i.kind==="subtitles"||i.kind==="captions")&&i.label&&e.push(a[t])}return e}class $u extends ta{constructor(e){super(e,"subtitle-track-controller"),this.media=null,this.tracks=[],this.groupIds=null,this.tracksInGroup=[],this.trackId=-1,this.currentTrack=null,this.selectDefaultTrack=!0,this.queuedDefaultTrack=-1,this.useTextTrackPolling=!1,this.subtitlePollingInterval=-1,this._subtitleDisplay=!0,this.asyncPollTrackChange=()=>this.pollTrackChange(0),this.onTextTracksChanged=()=>{if(this.useTextTrackPolling||self.clearInterval(this.subtitlePollingInterval),!this.media||!this.hls.config.renderTextTracksNatively)return;let t=null;const i=Rr(this.media.textTracks);for(let n=0;n<i.length;n++)if(i[n].mode==="hidden")t=i[n];else if(i[n].mode==="showing"){t=i[n];break}const s=this.findTrackForTextTrack(t);this.subtitleTrack!==s&&this.setSubtitleTrack(s)},this.registerListeners()}destroy(){this.unregisterListeners(),this.tracks.length=0,this.tracksInGroup.length=0,this.currentTrack=null,this.onTextTracksChanged=this.asyncPollTrackChange=null,super.destroy()}get subtitleDisplay(){return this._subtitleDisplay}set subtitleDisplay(e){this._subtitleDisplay=e,this.trackId>-1&&this.toggleTrackModes()}registerListeners(){const{hls:e}=this;e.on(g.MEDIA_ATTACHED,this.onMediaAttached,this),e.on(g.MEDIA_DETACHING,this.onMediaDetaching,this),e.on(g.MANIFEST_LOADING,this.onManifestLoading,this),e.on(g.MANIFEST_PARSED,this.onManifestParsed,this),e.on(g.LEVEL_LOADING,this.onLevelLoading,this),e.on(g.LEVEL_SWITCHING,this.onLevelSwitching,this),e.on(g.SUBTITLE_TRACK_LOADED,this.onSubtitleTrackLoaded,this),e.on(g.ERROR,this.onError,this)}unregisterListeners(){const{hls:e}=this;e.off(g.MEDIA_ATTACHED,this.onMediaAttached,this),e.off(g.MEDIA_DETACHING,this.onMediaDetaching,this),e.off(g.MANIFEST_LOADING,this.onManifestLoading,this),e.off(g.MANIFEST_PARSED,this.onManifestParsed,this),e.off(g.LEVEL_LOADING,this.onLevelLoading,this),e.off(g.LEVEL_SWITCHING,this.onLevelSwitching,this),e.off(g.SUBTITLE_TRACK_LOADED,this.onSubtitleTrackLoaded,this),e.off(g.ERROR,this.onError,this)}onMediaAttached(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))}pollTrackChange(e){self.clearInterval(this.subtitlePollingInterval),this.subtitlePollingInterval=self.setInterval(this.onTextTracksChanged,e)}onMediaDetaching(e,t){const i=this.media;if(!i)return;const s=!!t.transferMedia;if(self.clearInterval(this.subtitlePollingInterval),this.useTextTrackPolling||i.textTracks.removeEventListener("change",this.asyncPollTrackChange),this.trackId>-1&&(this.queuedDefaultTrack=this.trackId),this.subtitleTrack=-1,this.media=null,s)return;Rr(i.textTracks).forEach(r=>{Bn(r)})}onManifestLoading(){this.tracks=[],this.groupIds=null,this.tracksInGroup=[],this.trackId=-1,this.currentTrack=null,this.selectDefaultTrack=!0}onManifestParsed(e,t){this.tracks=t.subtitleTracks}onSubtitleTrackLoaded(e,t){const{id:i,groupId:s,details:n}=t,r=this.tracksInGroup[i];if(!r||r.groupId!==s){this.warn(`Subtitle track with id:${i} and group:${s} not found in active group ${r==null?void 0:r.groupId}`);return}const o=r.details;r.details=t.details,this.log(`Subtitle track ${i} "${r.name}" lang:${r.lang} group:${s} loaded [${n.startSN}-${n.endSN}]`),i===this.trackId&&this.playlistLoaded(i,t,o)}onLevelLoading(e,t){this.switchLevel(t.level)}onLevelSwitching(e,t){this.switchLevel(t.level)}switchLevel(e){const t=this.hls.levels[e];if(!t)return;const i=t.subtitleGroups||null,s=this.groupIds;let n=this.currentTrack;if(!i||(s==null?void 0:s.length)!==(i==null?void 0:i.length)||i!=null&&i.some(r=>(s==null?void 0:s.indexOf(r))===-1)){this.groupIds=i,this.trackId=-1,this.currentTrack=null;const r=this.tracks.filter(d=>!i||i.indexOf(d.groupId)!==-1);if(r.length)this.selectDefaultTrack&&!r.some(d=>d.default)&&(this.selectDefaultTrack=!1),r.forEach((d,h)=>{d.id=h});else if(!n&&!this.tracksInGroup.length)return;this.tracksInGroup=r;const o=this.hls.config.subtitlePreference;if(!n&&o){this.selectDefaultTrack=!1;const d=H(o,r);if(d>-1)n=r[d];else{const h=H(o,this.tracks);n=this.tracks[h]}}let u=this.findTrackId(n);u===-1&&n&&(u=this.findTrackId(null));const l={subtitleTracks:r};this.log(`Updating subtitle tracks, ${r.length} track(s) found in "${i==null?void 0:i.join(",")}" group-id`),this.hls.trigger(g.SUBTITLE_TRACKS_UPDATED,l),u!==-1&&this.trackId===-1&&this.setSubtitleTrack(u)}}findTrackId(e){const t=this.tracksInGroup,i=this.selectDefaultTrack;for(let s=0;s<t.length;s++){const n=t[s];if(!(i&&!n.default||!i&&!e)&&(!e||ae(n,e)))return s}if(e){for(let s=0;s<t.length;s++){const n=t[s];if(ir(e.attrs,n.attrs,["LANGUAGE","ASSOC-LANGUAGE","CHARACTERISTICS"]))return s}for(let s=0;s<t.length;s++){const n=t[s];if(ir(e.attrs,n.attrs,["LANGUAGE"]))return s}}return-1}findTrackForTextTrack(e){if(e){const t=this.tracksInGroup;for(let i=0;i<t.length;i++){const s=t[i];if(ia(s,e))return i}}return-1}onError(e,t){t.fatal||!t.context||t.context.type===xe.SUBTITLE_TRACK&&t.context.id===this.trackId&&(!this.groupIds||this.groupIds.indexOf(t.context.groupId)!==-1)&&this.checkRetry(t)}get allSubtitleTracks(){return this.tracks}get subtitleTracks(){return this.tracksInGroup}get subtitleTrack(){return this.trackId}set subtitleTrack(e){this.selectDefaultTrack=!1,this.setSubtitleTrack(e)}setSubtitleOption(e){if(this.hls.config.subtitlePreference=e,e){if(e.id===-1)return this.setSubtitleTrack(-1),null;const t=this.allSubtitleTracks;if(this.selectDefaultTrack=!1,t.length){const i=this.currentTrack;if(i&&ae(e,i))return i;const s=H(e,this.tracksInGroup);if(s>-1){const n=this.tracksInGroup[s];return this.setSubtitleTrack(s),n}else{if(i)return null;{const n=H(e,t);if(n>-1)return t[n]}}}}return null}loadPlaylist(e){super.loadPlaylist(),this.shouldLoadPlaylist(this.currentTrack)&&this.scheduleLoading(this.currentTrack,e)}loadingPlaylist(e,t){super.loadingPlaylist(e,t);const i=e.id,s=e.groupId,n=this.getUrlWithDirectives(e.url,t),r=e.details,o=r==null?void 0:r.age;this.log(`Loading subtitle ${i} "${e.name}" lang:${e.lang} group:${s}${(t==null?void 0:t.msn)!==void 0?" at sn "+t.msn+" part "+t.part:""}${o&&r.live?" age "+o.toFixed(1)+(r.type?" "+r.type||0:""):""} ${n}`),this.hls.trigger(g.SUBTITLE_TRACK_LOADING,{url:n,id:i,groupId:s,deliveryDirectives:t||null,track:e})}toggleTrackModes(){const{media:e}=this;if(!e)return;const t=Rr(e.textTracks),i=this.currentTrack;let s;if(i&&(s=t.filter(n=>ia(i,n))[0],s||this.warn(`Unable to find subtitle TextTrack with name "${i.name}" and language "${i.lang}"`)),[].slice.call(t).forEach(n=>{n.mode!=="disabled"&&n!==s&&(n.mode="disabled")}),s){const n=this.subtitleDisplay?"showing":"hidden";s.mode!==n&&(s.mode=n)}}setSubtitleTrack(e){const t=this.tracksInGroup;if(!this.media){this.queuedDefaultTrack=e;return}if(e<-1||e>=t.length||!b(e)){this.warn(`Invalid subtitle track id: ${e}`);return}this.selectDefaultTrack=!1;const i=this.currentTrack,s=t[e]||null;if(this.trackId=e,this.currentTrack=s,this.toggleTrackModes(),!s){this.hls.trigger(g.SUBTITLE_TRACK_SWITCH,{id:e});return}const n=!!s.details&&!s.details.live;if(e===this.trackId&&s===i&&n)return;this.log(`Switching to subtitle-track ${e}`+(s?` "${s.name}" lang:${s.lang} group:${s.groupId}`:""));const{id:r,groupId:o="",name:u,type:l,url:d}=s;this.hls.trigger(g.SUBTITLE_TRACK_SWITCH,{id:r,groupId:o,name:u,type:l,url:d});const h=this.switchParams(s.url,i==null?void 0:i.details,s.details);this.loadPlaylist(h)}}function nr(a){let e=5381,t=a.length;for(;t;)e=e*33^a.charCodeAt(--t);return(e>>>0).toString()}const Nn=.025;let Ir=function(a){return a[a.Point=0]="Point",a[a.Range=1]="Range",a}({});function Gu(a,e,t){return`${a.identifier}-${t+1}-${nr(e)}`}class Vu{constructor(e,t){this.base=void 0,this._duration=null,this._timelineStart=null,this.appendInPlaceDisabled=void 0,this.appendInPlaceStarted=void 0,this.dateRange=void 0,this.hasPlayed=!1,this.cumulativeDuration=0,this.resumeOffset=NaN,this.playoutLimit=NaN,this.restrictions={skip:!1,jump:!1},this.snapOptions={out:!1,in:!1},this.assetList=[],this.assetListLoader=void 0,this.assetListResponse=null,this.resumeAnchor=void 0,this.error=void 0,this.resetOnResume=void 0,this.base=t,this.dateRange=e,this.setDateRange(e)}setDateRange(e){this.dateRange=e,this.resumeOffset=e.attr.optionalFloat("X-RESUME-OFFSET",this.resumeOffset),this.playoutLimit=e.attr.optionalFloat("X-PLAYOUT-LIMIT",this.playoutLimit),this.restrictions=e.attr.enumeratedStringList("X-RESTRICT",this.restrictions),this.snapOptions=e.attr.enumeratedStringList("X-SNAP",this.snapOptions)}reset(){var e;this.appendInPlaceStarted=!1,(e=this.assetListLoader)==null||e.destroy(),this.assetListLoader=void 0,this.supplementsPrimary||(this.assetListResponse=null,this.assetList=[],this._duration=null)}isAssetPastPlayoutLimit(e){if(e>=this.assetList.length)return!0;const t=this.playoutLimit;return e<=0||isNaN(t)?!1:this.assetList[e].startOffset>t}findAssetIndex(e){return this.assetList.indexOf(e)}get identifier(){return this.dateRange.id}get startDate(){return this.dateRange.startDate}get startTime(){const e=this.dateRange.startTime;if(this.snapOptions.out){const t=this.dateRange.tagAnchor;if(t)return ua(e,t)}return e}get startOffset(){return this.cue.pre?0:this.startTime}get startIsAligned(){if(this.startTime===0||this.snapOptions.out)return!0;const e=this.dateRange.tagAnchor;if(e){const t=this.dateRange.startTime,i=ua(t,e);return t-i<.1}return!1}get resumptionOffset(){const e=this.resumeOffset,t=b(e)?e:this.duration;return this.cumulativeDuration+t}get resumeTime(){const e=this.startOffset+this.resumptionOffset;if(this.snapOptions.in){const t=this.resumeAnchor;if(t)return ua(e,t)}return e}get appendInPlace(){return this.appendInPlaceStarted?!0:this.appendInPlaceDisabled?!1:!!(!this.cue.once&&!this.cue.pre&&this.startIsAligned&&(isNaN(this.playoutLimit)&&isNaN(this.resumeOffset)||this.resumeOffset&&this.duration&&Math.abs(this.resumeOffset-this.duration)<Nn))}set appendInPlace(e){if(this.appendInPlaceStarted){this.resetOnResume=!e;return}this.appendInPlaceDisabled=!e}get timelineStart(){return this._timelineStart!==null?this._timelineStart:this.startTime}set timelineStart(e){this._timelineStart=e}get duration(){const e=this.playoutLimit;let t;return this._duration!==null?t=this._duration:this.dateRange.duration?t=this.dateRange.duration:t=this.dateRange.plannedDuration||0,!isNaN(e)&&e<t&&(t=e),t}set duration(e){this._duration=e}get cue(){return this.dateRange.cue}get timelineOccupancy(){return this.dateRange.attr["X-TIMELINE-OCCUPIES"]==="RANGE"?Ir.Range:Ir.Point}get supplementsPrimary(){return this.dateRange.attr["X-TIMELINE-STYLE"]==="PRIMARY"}get contentMayVary(){return this.dateRange.attr["X-CONTENT-MAY-VARY"]!=="NO"}get assetUrl(){return this.dateRange.attr["X-ASSET-URI"]}get assetListUrl(){return this.dateRange.attr["X-ASSET-LIST"]}get baseUrl(){return this.base.url}get assetListLoaded(){return this.assetList.length>0||this.assetListResponse!==null}toString(){return Ku(this)}}function ua(a,e){return a-e.start<e.duration/2&&!(Math.abs(a-(e.start+e.duration))<Nn)?e.start:e.start+e.duration}function go(a,e,t){const i=new self.URL(a,t);return i.protocol!=="data:"&&i.searchParams.set("_HLS_primary_id",e),i}function Ku(a){return`["${a.identifier}" ${a.cue.pre?"<pre>":a.cue.post?"<post>":""}${a.timelineStart.toFixed(2)}-${a.resumeTime.toFixed(2)}]`}function ca(a){const e=a.timelineStart,t=a.duration||0;return`["${a.identifier}" ${e.toFixed(2)}-${(e+t).toFixed(2)}]`}class Hu{constructor(e,t,i,s){this.hls=void 0,this.interstitial=void 0,this.assetItem=void 0,this.tracks=null,this.hasDetails=!1,this.mediaAttached=null,this._currentTime=void 0,this._bufferedEosTime=void 0,this.checkPlayout=()=>{const l=this.interstitial.playoutLimit,d=this.currentTime;this.startOffset+d>=l&&this.hls.trigger(g.PLAYOUT_LIMIT_REACHED,{})};const n=this.hls=new e(t);this.interstitial=i,this.assetItem=s;let r=s.uri;try{r=go(r,n.sessionId).href}catch(u){}n.loadSource(r);const o=()=>{this.hasDetails=!0};n.once(g.LEVEL_LOADED,o),n.once(g.AUDIO_TRACK_LOADED,o),n.once(g.SUBTITLE_TRACK_LOADED,o),n.on(g.MEDIA_ATTACHING,(u,{media:l})=>{this.removeMediaListeners(),this.mediaAttached=l,this.interstitial.playoutLimit&&l.addEventListener("timeupdate",this.checkPlayout)})}bufferedInPlaceToEnd(e){var t;if(!this.interstitial.appendInPlace)return!1;if((t=this.hls)!=null&&t.bufferedToEnd)return!0;if(!e||!this._bufferedEosTime)return!1;const i=this.timelineOffset,s=bt.bufferInfo(e,i,0);return this.getAssetTime(s.end)>=this._bufferedEosTime-.02}get destroyed(){var e;return!((e=this.hls)!=null&&e.userConfig)}get assetId(){return this.assetItem.identifier}get interstitialId(){return this.assetItem.parentIdentifier}get media(){var e;return((e=this.hls)==null?void 0:e.media)||null}get bufferedEnd(){const e=this.media||this.mediaAttached;if(!e)return this._bufferedEosTime?this._bufferedEosTime:this.currentTime;const t=bt.bufferInfo(e,e.currentTime,.001);return this.getAssetTime(t.end)}get currentTime(){const e=this.media||this.mediaAttached;return e?this.getAssetTime(e.currentTime):this._currentTime||0}get duration(){const e=this.assetItem.duration;return e||0}get remaining(){const e=this.duration;return e?Math.max(0,e-this.currentTime):0}get startOffset(){return this.assetItem.startOffset}get timelineOffset(){var e;return((e=this.hls)==null?void 0:e.config.timelineOffset)||0}set timelineOffset(e){const t=this.timelineOffset;if(e!==t){const i=e-t;if(Math.abs(i)>1/9e4){if(this.hasDetails)throw new Error("Cannot set timelineOffset after playlists are loaded");this.hls.config.timelineOffset=e}}}getAssetTime(e){const t=this.timelineOffset,i=this.duration;return Math.min(Math.max(0,e-t),i)}removeMediaListeners(){const e=this.mediaAttached;e&&(this._currentTime=e.currentTime,this.bufferSnapShot(),e.removeEventListener("timeupdate",this.checkPlayout))}bufferSnapShot(){if(this.mediaAttached){var e;(e=this.hls)!=null&&e.bufferedToEnd&&(this._bufferedEosTime=this.bufferedEnd)}}destroy(){this.removeMediaListeners(),this.hls.destroy(),this.hls=this.interstitial=null,this.tracks=this.mediaAttached=this.checkPlayout=null}attachMedia(e){this.hls.attachMedia(e)}detachMedia(){this.removeMediaListeners(),this.mediaAttached=null,this.hls.detachMedia()}resumeBuffering(){this.hls.resumeBuffering()}pauseBuffering(){this.hls.pauseBuffering()}transferMedia(){return this.bufferSnapShot(),this.hls.transferMedia()}on(e,t,i){this.hls.on(e,t)}once(e,t,i){this.hls.once(e,t)}off(e,t,i){this.hls.off(e,t)}toString(){var e,t;return`HlsAssetPlayer: ${ca(this.assetItem)} ${(e=this.hls)==null?void 0:e.sessionId} ${(t=this.interstitial)!=null&&t.appendInPlace?"append-in-place":""}`}}const po=.033;class Wu extends Fe{constructor(e,t){super("interstitials-sched",t),this.onScheduleUpdate=void 0,this.eventMap={},this.events=null,this.items=null,this.durations={primary:0,playout:0,integrated:0},this.onScheduleUpdate=e}destroy(){this.reset(),this.onScheduleUpdate=null}reset(){this.eventMap={},this.setDurations(0,0,0),this.events&&this.events.forEach(e=>e.reset()),this.events=this.items=null}resetErrorsInRange(e,t){return this.events?this.events.reduce((i,s)=>e<=s.startOffset&&t>s.startOffset?(delete s.error,i+1):i,0):0}get duration(){const e=this.items;return e?e[e.length-1].end:0}get length(){return this.items?this.items.length:0}getEvent(e){return e&&this.eventMap[e]||null}hasEvent(e){return e in this.eventMap}findItemIndex(e,t){if(e.event)return this.findEventIndex(e.event.identifier);let i=-1;e.nextEvent?i=this.findEventIndex(e.nextEvent.identifier)-1:e.previousEvent&&(i=this.findEventIndex(e.previousEvent.identifier)+1);const s=this.items;if(s)for(s[i]||(t===void 0&&(t=e.start),i=this.findItemIndexAtTime(t));i>=0&&(n=s[i])!=null&&n.event;){var n;i--}return i}findItemIndexAtTime(e,t){const i=this.items;if(i)for(let s=0;s<i.length;s++){let n=i[s];if(t&&t!=="primary"&&(n=n[t]),e===n.start||e>n.start&&e<n.end)return s}return-1}findJumpRestrictedIndex(e,t){const i=this.items;if(i)for(let s=e;s<=t&&i[s];s++){const n=i[s].event;if(n!=null&&n.restrictions.jump&&!n.appendInPlace)return s}return-1}findEventIndex(e){const t=this.items;if(t)for(let s=t.length;s--;){var i;if(((i=t[s].event)==null?void 0:i.identifier)===e)return s}return-1}findAssetIndex(e,t){const i=e.assetList,s=i.length;if(s>1)for(let n=0;n<s;n++){const r=i[n];if(!r.error){const o=r.timelineStart;if(t===o||t>o&&t<o+(r.duration||0))return n}}return 0}get assetIdAtEnd(){var e,t;const i=(e=this.items)==null||(t=e[this.length-1])==null?void 0:t.event;if(i){const s=i.assetList,n=s[s.length-1];if(n)return n.identifier}return null}parseInterstitialDateRanges(e,t){const i=e.main.details,{dateRanges:s}=i,n=this.events,r=this.parseDateRanges(s,{url:i.url},t),o=Object.keys(s),u=n?n.filter(l=>!o.includes(l.identifier)):[];r.length&&r.sort((l,d)=>{const h=l.cue.pre,m=l.cue.post,v=d.cue.pre,E=d.cue.post;if(h&&!v)return-1;if(v&&!h||m&&!E)return 1;if(E&&!m)return-1;if(!h&&!v&&!m&&!E){const S=l.startTime,_=d.startTime;if(S!==_)return S-_}return l.dateRange.tagOrder-d.dateRange.tagOrder}),this.events=r,u.forEach(l=>{this.removeEvent(l)}),this.updateSchedule(e,u)}updateSchedule(e,t=[]){const i=this.events||[];if(i.length||t.length||this.length<2){const s=this.items,n=this.parseSchedule(i,e);(t.length||(s==null?void 0:s.length)!==n.length||n.some((o,u)=>Math.abs(o.playout.start-s[u].playout.start)>.005||Math.abs(o.playout.end-s[u].playout.end)>.005))&&(this.items=n,this.onScheduleUpdate(t,s))}}parseDateRanges(e,t,i){const s=[],n=Object.keys(e);for(let r=0;r<n.length;r++){const o=n[r],u=e[o];if(u.isInterstitial){let l=this.eventMap[o];l?l.setDateRange(u):(l=new Vu(u,t),this.eventMap[o]=l,i===!1&&(l.appendInPlace=i)),s.push(l)}}return s}parseSchedule(e,t){const i=[],s=t.main.details,n=s.live?1/0:s.edge;let r=0;if(e=e.filter(u=>!u.error&&!(u.cue.once&&u.hasPlayed)),e.length){this.resolveOffsets(e,t);let u=0,l=0;if(e.forEach((d,h)=>{const m=d.cue.pre,v=d.cue.post,E=e[h-1]||null,S=d.appendInPlace,_=v?n:d.startOffset,x=d.duration,R=d.timelineOccupancy===Ir.Range?x:0,L=d.resumptionOffset,B=(E==null?void 0:E.startTime)===_,N=_+d.cumulativeDuration;let te=S?N+x:_+L;if(m||!v&&_<=0){const z=l;l+=R,d.timelineStart=N;const le=r;r+=x,i.push({event:d,start:N,end:te,playout:{start:le,end:r},integrated:{start:z,end:l}})}else if(_<=n){if(!B){const V=_-u;if(V>po){const Ae=u,Ue=l;l+=V;const li=r;r+=V;const Ot={previousEvent:e[h-1]||null,nextEvent:d,start:Ae,end:Ae+V,playout:{start:li,end:r},integrated:{start:Ue,end:l}};i.push(Ot)}else V>0&&E&&(E.cumulativeDuration+=V,i[i.length-1].end=_)}v&&(te=N),d.timelineStart=N;const z=l;l+=R;const le=r;r+=x,i.push({event:d,start:N,end:te,playout:{start:le,end:r},integrated:{start:z,end:l}})}else return;const U=d.resumeTime;v||U>n?u=n:u=U}),u<n){var o;const d=u,h=l,m=n-u;l+=m;const v=r;r+=m,i.push({previousEvent:((o=i[i.length-1])==null?void 0:o.event)||null,nextEvent:null,start:u,end:d+m,playout:{start:v,end:r},integrated:{start:h,end:l}})}this.setDurations(n,r,l)}else i.push({previousEvent:null,nextEvent:null,start:0,end:n,playout:{start:0,end:n},integrated:{start:0,end:n}}),this.setDurations(n,n,n);return i}setDurations(e,t,i){this.durations={primary:e,playout:t,integrated:i}}resolveOffsets(e,t){const i=t.main.details,s=i.live?1/0:i.edge;let n=0,r=-1;e.forEach((o,u)=>{const l=o.cue.pre,d=o.cue.post,h=l?0:d?s:o.startTime;this.updateAssetDurations(o),r===h?o.cumulativeDuration=n:(n=0,r=h),!d&&o.snapOptions.in&&(o.resumeAnchor=Bt(null,i.fragments,o.startOffset+o.resumptionOffset,0,0)||void 0),o.appendInPlace&&!o.appendInPlaceStarted&&(this.primaryCanResumeInPlaceAt(o,t)||(o.appendInPlace=!1)),!o.appendInPlace&&u+1<e.length&&e[u+1].startTime-e[u].resumeTime<po&&(e[u+1].appendInPlace=!1,e[u+1].appendInPlace&&this.warn(`Could not change append strategy for abutting event ${o}`));const v=b(o.resumeOffset)?o.resumeOffset:o.duration;n+=v})}primaryCanResumeInPlaceAt(e,t){const i=e.resumeTime,s=e.startTime+e.resumptionOffset;return Math.abs(i-s)>Nn?(this.log(`"${e.identifier}" resumption ${i} not aligned with estimated timeline end ${s}`),!1):t?!Object.keys(t).some(r=>{const o=t[r].details,u=o.edge;if(i>=u)return this.log(`"${e.identifier}" resumption ${i} past ${r} playlist end ${u}`),!1;const l=Bt(null,o.fragments,i);if(!l)return this.log(`"${e.identifier}" resumption ${i} does not align with any fragments in ${r} playlist (${o.fragStart}-${o.fragmentEnd})`),!0;const d=r==="audio"?.175:0;return Math.abs(l.start-i)<Nn+d||Math.abs(l.end-i)<Nn+d?!1:(this.log(`"${e.identifier}" resumption ${i} not aligned with ${r} fragment bounds (${l.start}-${l.end} sn: ${l.sn} cc: ${l.cc})`),!0)}):(this.log(`"${e.identifier}" resumption ${i} can not be aligned with media (none selected)`),!1)}updateAssetDurations(e){if(!e.assetListLoaded)return;const t=e.timelineStart;let i=0,s=!1,n=!1;e.assetList.forEach((r,o)=>{const u=t+i;r.startOffset=i,r.timelineStart=u,s||(s=r.duration===null),n||(n=!!r.error);const l=r.error?0:r.duration||0;i+=l}),s&&!n?e.duration=Math.max(i,e.duration):e.duration=i}removeEvent(e){e.reset(),delete this.eventMap[e.identifier]}}function gn(a){return`[${a.event?'"'+a.event.identifier+'"':"primary"}: ${a.start.toFixed(2)}-${a.end.toFixed(2)}]`}class ju{constructor(e){this.hls=void 0,this.hls=e}destroy(){this.hls=null}loadAssetList(e,t){const i=e.assetListUrl;let s;try{s=go(i,this.hls.sessionId,e.baseUrl)}catch(m){const v=this.assignAssetListError(e,A.ASSET_LIST_LOAD_ERROR,m,i);this.hls.trigger(g.ERROR,v);return}t&&s.protocol!=="data:"&&s.searchParams.set("_HLS_start_offset",""+t);const n=this.hls.config,r=n.loader,o=new r(n),u={responseType:"json",url:s.href},l=n.interstitialAssetListLoadPolicy.default,d={loadPolicy:l,timeout:l.maxLoadTimeMs,maxRetry:0,retryDelay:0,maxRetryDelay:0},h={onSuccess:(m,v,E,S)=>{const _=m.data,x=_==null?void 0:_.ASSETS;if(!Array.isArray(x)){const R=this.assignAssetListError(e,A.ASSET_LIST_PARSING_ERROR,new Error("Invalid interstitial asset list"),E.url,v,S);this.hls.trigger(g.ERROR,R);return}e.assetListResponse=_,this.hls.trigger(g.ASSET_LIST_LOADED,{event:e,assetListResponse:_,networkDetails:S})},onError:(m,v,E,S)=>{const _=this.assignAssetListError(e,A.ASSET_LIST_LOAD_ERROR,new Error(`Error loading X-ASSET-LIST: HTTP status ${m.code} ${m.text} (${v.url})`),v.url,S,E);this.hls.trigger(g.ERROR,_)},onTimeout:(m,v,E)=>{const S=this.assignAssetListError(e,A.ASSET_LIST_LOAD_TIMEOUT,new Error(`Timeout loading X-ASSET-LIST (${v.url})`),v.url,m,E);this.hls.trigger(g.ERROR,S)}};return o.load(u,d,h),this.hls.trigger(g.ASSET_LIST_LOADING,{event:e}),o}assignAssetListError(e,t,i,s,n,r){return e.error=i,{type:Z.NETWORK_ERROR,details:t,fatal:!1,interstitial:e,url:s,error:i,networkDetails:r,stats:n}}}function cn(a,e,t){rn(a,e,t),a.addEventListener(e,t)}function rn(a,e,t){a.removeEventListener(e,t)}function vo(a){a==null||a.play().catch(()=>{})}class zu extends Fe{constructor(e,t){super("interstitials",e.logger),this.HlsPlayerClass=void 0,this.hls=void 0,this.assetListLoader=void 0,this.mediaSelection=null,this.altSelection=null,this.media=null,this.detachedData=null,this.requiredTracks=null,this.manager=null,this.playerQueue=[],this.bufferedPos=-1,this.timelinePos=-1,this.schedule=void 0,this.playingItem=null,this.bufferingItem=null,this.waitingItem=null,this.endedItem=null,this.playingAsset=null,this.endedAsset=null,this.bufferingAsset=null,this.shouldPlay=!1,this.onPlay=()=>{this.shouldPlay=!0},this.onPause=()=>{this.shouldPlay=!1},this.onSeeking=()=>{const i=this.currentTime;if(i===void 0||this.playbackDisabled)return;const s=i-this.timelinePos;if(Math.abs(s)<1/7056e5)return;const r=s<=-.01;this.timelinePos=i,this.bufferedPos=i;const o=this.playingItem;if(!o){this.checkBuffer();return}if(r&&this.schedule.resetErrorsInRange(i,i-s)&&this.updateSchedule(),this.checkBuffer(),r&&i<o.start||i>=o.end){var u;const m=this.schedule.findItemIndexAtTime(this.timelinePos);if(!this.isInterstitial(o)&&(u=this.media)!=null&&u.paused&&(this.shouldPlay=!1),!r){const v=this.findItemIndex(o);if(m>v){const E=this.schedule.findJumpRestrictedIndex(v+1,m);if(E>v){this.setSchedulePosition(E);return}}}this.setSchedulePosition(m);return}const l=this.playingAsset;if(!l){if(this.playingLastItem&&this.isInterstitial(o)){const m=o.event.assetList[0];m&&(this.endedItem=this.playingItem,this.playingItem=null,this.setScheduleToAssetAtTime(i,m))}return}const d=l.timelineStart,h=l.duration||0;(r&&i<d||i>=d+h)&&this.setScheduleToAssetAtTime(i,l)},this.onTimeupdate=()=>{const i=this.currentTime;if(i===void 0||this.playbackDisabled)return;if(i>this.timelinePos)this.timelinePos=i,i>this.bufferedPos&&this.checkBuffer();else return;const s=this.playingItem;if(!s||this.playingLastItem)return;if(i>=s.end){this.timelinePos=s.end;const o=this.findItemIndex(s);this.setSchedulePosition(o+1)}const n=this.playingAsset;if(!n)return;const r=n.timelineStart+(n.duration||0);i>=r&&this.setScheduleToAssetAtTime(i,n)},this.onScheduleUpdate=(i,s)=>{const n=this.schedule,r=this.playingItem,o=n.events||[],u=n.items||[],l=n.durations,d=i.map(v=>v.identifier),h=!!(o.length||d.length);if(h&&this.log(`INTERSTITIALS_UPDATED (${o.length}): ${o}
|
|
Schedule: ${u.map(v=>gn(v))}`),d.length&&this.log(`Removed events ${d}`),this.playerQueue.forEach(v=>{if(v.interstitial.appendInPlace){const E=v.assetItem.timelineStart,S=v.timelineOffset-E;if(S)try{v.timelineOffset=E}catch(_){Math.abs(S)>Nn&&this.warn(`${_} ("${v.assetId}" ${v.timelineOffset}->${E})`)}}}),r){const v=this.updateItem(r,this.timelinePos);this.itemsMatch(r,v)&&(this.playingItem=v,this.waitingItem=this.endedItem=null)}else this.waitingItem=this.updateItem(this.waitingItem),this.endedItem=this.updateItem(this.endedItem);const m=this.bufferingItem;if(m){const v=this.updateItem(m,this.bufferedPos);this.itemsMatch(m,v)?this.bufferingItem=v:m.event&&(this.bufferingItem=this.playingItem,this.clearInterstitial(m.event,null))}if(i.forEach(v=>{v.assetList.forEach(E=>{this.clearAssetPlayer(E.identifier,null)})}),h||s){if(this.hls.trigger(g.INTERSTITIALS_UPDATED,{events:o.slice(0),schedule:u.slice(0),durations:l,removedIds:d}),this.isInterstitial(r)&&d.includes(r.event.identifier)){this.warn(`Interstitial "${r.event.identifier}" removed while playing`),this.primaryFallback(r.event);return}this.checkBuffer()}},this.hls=e,this.HlsPlayerClass=t,this.assetListLoader=new ju(e),this.schedule=new Wu(this.onScheduleUpdate,e.logger),this.registerListeners()}registerListeners(){const e=this.hls;e.on(g.MEDIA_ATTACHING,this.onMediaAttaching,this),e.on(g.MEDIA_ATTACHED,this.onMediaAttached,this),e.on(g.MEDIA_DETACHING,this.onMediaDetaching,this),e.on(g.MANIFEST_LOADING,this.onManifestLoading,this),e.on(g.LEVEL_UPDATED,this.onLevelUpdated,this),e.on(g.AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),e.on(g.AUDIO_TRACK_UPDATED,this.onAudioTrackUpdated,this),e.on(g.SUBTITLE_TRACK_SWITCH,this.onSubtitleTrackSwitch,this),e.on(g.SUBTITLE_TRACK_UPDATED,this.onSubtitleTrackUpdated,this),e.on(g.EVENT_CUE_ENTER,this.onInterstitialCueEnter,this),e.on(g.ASSET_LIST_LOADED,this.onAssetListLoaded,this),e.on(g.BUFFER_APPENDED,this.onBufferAppended,this),e.on(g.BUFFER_FLUSHED,this.onBufferFlushed,this),e.on(g.BUFFERED_TO_END,this.onBufferedToEnd,this),e.on(g.MEDIA_ENDED,this.onMediaEnded,this),e.on(g.ERROR,this.onError,this),e.on(g.DESTROYING,this.onDestroying,this)}unregisterListeners(){const e=this.hls;e&&(e.off(g.MEDIA_ATTACHING,this.onMediaAttaching,this),e.off(g.MEDIA_ATTACHED,this.onMediaAttached,this),e.off(g.MEDIA_DETACHING,this.onMediaDetaching,this),e.off(g.MANIFEST_LOADING,this.onManifestLoading,this),e.off(g.LEVEL_UPDATED,this.onLevelUpdated,this),e.off(g.AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),e.off(g.AUDIO_TRACK_UPDATED,this.onAudioTrackUpdated,this),e.off(g.SUBTITLE_TRACK_SWITCH,this.onSubtitleTrackSwitch,this),e.off(g.SUBTITLE_TRACK_UPDATED,this.onSubtitleTrackUpdated,this),e.off(g.EVENT_CUE_ENTER,this.onInterstitialCueEnter,this),e.off(g.ASSET_LIST_LOADED,this.onAssetListLoaded,this),e.off(g.BUFFER_CODECS,this.onBufferCodecs,this),e.off(g.BUFFER_APPENDED,this.onBufferAppended,this),e.off(g.BUFFER_FLUSHED,this.onBufferFlushed,this),e.off(g.BUFFERED_TO_END,this.onBufferedToEnd,this),e.off(g.MEDIA_ENDED,this.onMediaEnded,this),e.off(g.ERROR,this.onError,this),e.off(g.DESTROYING,this.onDestroying,this))}startLoad(){this.resumeBuffering()}stopLoad(){this.pauseBuffering()}resumeBuffering(){var e;(e=this.getBufferingPlayer())==null||e.resumeBuffering()}pauseBuffering(){var e;(e=this.getBufferingPlayer())==null||e.pauseBuffering()}destroy(){this.unregisterListeners(),this.stopLoad(),this.assetListLoader&&this.assetListLoader.destroy(),this.emptyPlayerQueue(),this.clearScheduleState(),this.schedule&&this.schedule.destroy(),this.media=this.detachedData=this.mediaSelection=this.requiredTracks=this.altSelection=this.manager=null,this.hls=this.HlsPlayerClass=this.schedule=this.log=null,this.assetListLoader=null,this.onPlay=this.onPause=this.onSeeking=this.onTimeupdate=null,this.onScheduleUpdate=null}onDestroying(){const e=this.primaryMedia||this.media;e&&this.removeMediaListeners(e)}removeMediaListeners(e){rn(e,"play",this.onPlay),rn(e,"pause",this.onPause),rn(e,"seeking",this.onSeeking),rn(e,"timeupdate",this.onTimeupdate)}onMediaAttaching(e,t){const i=this.media=t.media;cn(i,"seeking",this.onSeeking),cn(i,"timeupdate",this.onTimeupdate),cn(i,"play",this.onPlay),cn(i,"pause",this.onPause)}onMediaAttached(e,t){const i=this.effectivePlayingItem,s=this.detachedData;if(this.detachedData=null,i===null)this.checkStart();else if(!s){this.clearScheduleState();const n=this.findItemIndex(i);this.setSchedulePosition(n)}}clearScheduleState(){this.playingItem=this.bufferingItem=this.waitingItem=this.endedItem=this.playingAsset=this.endedAsset=this.bufferingAsset=null}onMediaDetaching(e,t){const i=!!t.transferMedia,s=this.media;if(this.media=null,!i&&(s&&this.removeMediaListeners(s),this.detachedData)){const n=this.getBufferingPlayer();n&&(this.playingAsset=this.endedAsset=this.bufferingAsset=this.bufferingItem=this.waitingItem=this.detachedData=null,n.detachMedia()),this.shouldPlay=!1}}get interstitialsManager(){if(!this.manager){if(!this.hls)return null;const e=this,t=()=>e.bufferingItem||e.waitingItem,i=h=>h&&e.getAssetPlayer(h.identifier),s=(h,m,v,E,S)=>{if(h){let _=h[m].start;const x=h.event;if(x){if(m==="playout"||x.timelineOccupancy!==Ir.Point){const R=i(v);(R==null?void 0:R.interstitial)===x&&(_+=R.assetItem.startOffset+R[S])}}else{const R=E==="bufferedPos"?r():e[E];_+=R-h.start}return _}return 0},n=(h,m)=>{if(h!==0&&m!=="primary"&&e.schedule.length){var v;const E=e.schedule.findItemIndexAtTime(h),S=(v=e.schedule.items)==null?void 0:v[E];if(S){const _=S[m].start-S.start;return h+_}}return h},r=()=>{const h=e.bufferedPos;return h===Number.MAX_VALUE?o("primary"):Math.max(h,0)},o=h=>{var m;return(m=e.primaryDetails)!=null&&m.live?e.primaryDetails.edge:e.schedule.durations[h]},u=(h,m)=>{var v,E;const S=e.effectivePlayingItem;if(S!=null&&(v=S.event)!=null&&v.restrictions.skip)return;e.log(`seek to ${h} "${m}"`);const _=e.effectivePlayingItem,x=e.schedule.findItemIndexAtTime(h,m),R=(E=e.schedule.items)==null?void 0:E[x],L=e.getBufferingPlayer(),B=L==null?void 0:L.interstitial,N=B==null?void 0:B.appendInPlace,te=_&&e.itemsMatch(_,R);if(_&&(N||te)){const z=i(e.playingAsset),le=(z==null?void 0:z.media)||e.primaryMedia;if(le){const V=m==="primary"?le.currentTime:s(_,m,e.playingAsset,"timelinePos","currentTime"),Ae=h-V,Ue=(N?V:le.currentTime)+Ae;if(Ue>=0&&(!z||N||Ue<=z.duration)){le.currentTime=Ue;return}}}if(R){let z=h;if(m!=="primary"){const V=R[m].start,Ae=h-V;z=R.start+Ae}const le=!e.isInterstitial(R);if((!e.isInterstitial(_)||_.event.appendInPlace)&&(le||R.event.appendInPlace)){const V=e.media||(N?L==null?void 0:L.media:null);V&&(V.currentTime=z)}else if(_){const V=e.findItemIndex(_);if(x>V){const Ue=e.schedule.findJumpRestrictedIndex(V+1,x);if(Ue>V){e.setSchedulePosition(Ue);return}}let Ae=0;if(le)e.timelinePos=z,e.checkBuffer();else{var U;const Ue=R==null||(U=R.event)==null?void 0:U.assetList;if(Ue){const li=h-(R[m]||R).start;for(let Ot=Ue.length;Ot--;){const _t=Ue[Ot];if(_t.duration&&li>=_t.startOffset&&li<_t.startOffset+_t.duration){Ae=Ot;break}}}}e.setSchedulePosition(x,Ae)}}},l=()=>{const h=e.effectivePlayingItem;if(e.isInterstitial(h))return h;const m=t();return e.isInterstitial(m)?m:null},d={get currentTime(){const h=l(),m=e.effectivePlayingItem;return m&&m===h?s(m,"playout",e.effectivePlayingAsset,"timelinePos","currentTime")-m.playout.start:0},set currentTime(h){const m=l(),v=e.effectivePlayingItem;v&&v===m&&u(h+v.playout.start,"playout")},get duration(){const h=l();return h?h.playout.end-h.playout.start:0},get assetPlayers(){var h;const m=(h=l())==null?void 0:h.event.assetList;return m?m.map(v=>e.getAssetPlayer(v.identifier)):[]},get playingIndex(){var h;const m=(h=l())==null?void 0:h.event;return m&&e.effectivePlayingAsset?m.findAssetIndex(e.effectivePlayingAsset):-1},get scheduleItem(){return l()}};this.manager={get events(){var h,m;return((h=e.schedule)==null||(m=h.events)==null?void 0:m.slice(0))||[]},get schedule(){var h,m;return((h=e.schedule)==null||(m=h.items)==null?void 0:m.slice(0))||[]},get interstitialPlayer(){return l()?d:null},get playerQueue(){return e.playerQueue.slice(0)},get bufferingAsset(){return e.bufferingAsset},get bufferingItem(){return t()},get bufferingIndex(){const h=t();return e.findItemIndex(h)},get playingAsset(){return e.effectivePlayingAsset},get playingItem(){return e.effectivePlayingItem},get playingIndex(){const h=e.effectivePlayingItem;return e.findItemIndex(h)},primary:{get bufferedEnd(){return r()},get currentTime(){const h=e.timelinePos;return h>0?h:0},set currentTime(h){u(h,"primary")},get duration(){return o("primary")},get seekableStart(){var h;return((h=e.primaryDetails)==null?void 0:h.fragmentStart)||0}},integrated:{get bufferedEnd(){return s(t(),"integrated",e.bufferingAsset,"bufferedPos","bufferedEnd")},get currentTime(){return s(e.effectivePlayingItem,"integrated",e.effectivePlayingAsset,"timelinePos","currentTime")},set currentTime(h){u(h,"integrated")},get duration(){return o("integrated")},get seekableStart(){var h;return n(((h=e.primaryDetails)==null?void 0:h.fragmentStart)||0,"integrated")}},skip:()=>{const h=e.effectivePlayingItem,m=h==null?void 0:h.event;if(m&&!m.restrictions.skip){const v=e.findItemIndex(h);if(m.appendInPlace){const E=h.playout.start+h.event.duration;u(E+.001,"playout")}else e.advanceAfterAssetEnded(m,v,1/0)}}}}return this.manager}get effectivePlayingItem(){return this.waitingItem||this.playingItem||this.endedItem}get effectivePlayingAsset(){return this.playingAsset||this.endedAsset}get playingLastItem(){var e;const t=this.playingItem,i=(e=this.schedule)==null?void 0:e.items;return!this.playbackStarted||!t||!i?!1:this.findItemIndex(t)===i.length-1}get playbackStarted(){return this.effectivePlayingItem!==null}get currentTime(){var e,t,i;if(this.mediaSelection===null)return;const s=this.waitingItem||this.playingItem;if(this.isInterstitial(s)&&!s.event.appendInPlace)return;let n=this.media;!n&&(e=this.bufferingItem)!=null&&(t=e.event)!=null&&t.appendInPlace&&(n=this.primaryMedia);const r=(i=n)==null?void 0:i.currentTime;if(!(r===void 0||!b(r)))return r}get primaryMedia(){var e;return this.media||((e=this.detachedData)==null?void 0:e.media)||null}isInterstitial(e){return!!(e!=null&&e.event)}retreiveMediaSource(e,t){const i=this.getAssetPlayer(e);i&&this.transferMediaFromPlayer(i,t)}transferMediaFromPlayer(e,t){const i=e.interstitial.appendInPlace,s=e.media;if(i&&s===this.primaryMedia){if(this.bufferingAsset=null,(!t||this.isInterstitial(t)&&!t.event.appendInPlace)&&t&&s){this.detachedData={media:s};return}const n=e.transferMedia();this.log(`transfer MediaSource from ${e} ${Et(n)}`),this.detachedData=n}else t&&s&&(this.shouldPlay||(this.shouldPlay=!s.paused))}transferMediaTo(e,t){var i,s;if(e.media===t)return;let n=null;const r=this.hls,o=e!==r,u=o&&e.interstitial.appendInPlace,l=(i=this.detachedData)==null?void 0:i.mediaSource;let d;if(r.media)u&&(n=r.transferMedia(),this.detachedData=n),d="Primary";else if(l){const v=this.getBufferingPlayer();v?(n=v.transferMedia(),d=`${v}`):d="detached MediaSource"}else d="detached media";if(!n){if(l)n=this.detachedData,this.log(`using detachedData: MediaSource ${Et(n)}`);else if(!this.detachedData||r.media===t){const v=this.playerQueue;v.length>1&&v.forEach(E=>{if(o&&E.interstitial.appendInPlace!==u){const S=E.interstitial;this.clearInterstitial(E.interstitial,null),S.appendInPlace=!1,S.appendInPlace&&this.warn(`Could not change append strategy for queued assets ${S}`)}}),this.hls.detachMedia(),this.detachedData={media:t}}}const h=n&&"mediaSource"in n&&((s=n.mediaSource)==null?void 0:s.readyState)!=="closed",m=h&&n?n:t;if(this.log(`${h?"transfering MediaSource":"attaching media"} to ${o?e:"Primary"} from ${d}`),m===n){const v=o&&e.assetId===this.schedule.assetIdAtEnd;m.overrides={duration:this.schedule.duration,endOfStream:!o||v,cueRemoval:!o}}e.attachMedia(m)}onInterstitialCueEnter(){this.onTimeupdate()}checkStart(){const e=this.schedule,t=e.events;if(!t||this.playbackDisabled||!this.media)return;this.bufferedPos===-1&&(this.bufferedPos=0);const i=this.timelinePos,s=this.effectivePlayingItem;if(i===-1){const n=this.hls.startPosition;if(this.timelinePos=n,t.length&&t[0].cue.pre){const r=e.findEventIndex(t[0].identifier);this.setSchedulePosition(r)}else if(n>=0||!this.primaryLive){const r=this.timelinePos=n>0?n:0,o=e.findItemIndexAtTime(r);this.setSchedulePosition(o)}}else if(s&&!this.playingItem){const n=e.findItemIndex(s);this.setSchedulePosition(n)}}advanceAfterAssetEnded(e,t,i){const s=i+1;if(!e.isAssetPastPlayoutLimit(s)&&!e.assetList[s].error)this.setSchedulePosition(t,s);else{const n=this.schedule.items;if(n){const r=t+1,o=n.length;if(r>=o){this.setSchedulePosition(-1);return}const u=e.resumeTime;this.timelinePos<u&&(this.timelinePos=u,this.checkBuffer()),this.setSchedulePosition(r)}}}setScheduleToAssetAtTime(e,t){const i=this.schedule,s=t.parentIdentifier,n=i.getEvent(s);if(n){const r=i.findEventIndex(s),o=i.findAssetIndex(n,e);this.setSchedulePosition(r,o)}}setSchedulePosition(e,t){const i=this.schedule.items;if(!i||this.playbackDisabled)return;this.log(`setSchedulePosition ${e}, ${t}`);const s=e>=0?i[e]:null,n=this.playingItem,r=this.playingLastItem;if(this.isInterstitial(n)){var o;const l=n.event,d=this.playingAsset,h=d==null?void 0:d.identifier,m=h?this.getAssetPlayer(h):null;if(m&&h&&(!this.eventItemsMatch(n,s)||t!==void 0&&h!==((o=l.assetList)==null?void 0:o[t].identifier))){var u;const v=l.findAssetIndex(d);this.log(`INTERSTITIAL_ASSET_ENDED ${v+1}/${l.assetList.length} ${ca(d)}`),this.endedAsset=d,this.playingAsset=null,this.hls.trigger(g.INTERSTITIAL_ASSET_ENDED,{asset:d,assetListIndex:v,event:l,schedule:i.slice(0),scheduleIndex:e,player:m}),this.retreiveMediaSource(h,s),m.media&&!((u=this.detachedData)!=null&&u.mediaSource)&&m.detachMedia()}if(!this.eventItemsMatch(n,s)&&(this.endedItem=n,this.playingItem=null,this.log(`INTERSTITIAL_ENDED ${l} ${gn(n)}`),l.hasPlayed=!0,this.hls.trigger(g.INTERSTITIAL_ENDED,{event:l,schedule:i.slice(0),scheduleIndex:e}),l.cue.once)){this.updateSchedule();const v=this.schedule.items;if(s&&v){const E=this.schedule.findItemIndex(s);this.advanceSchedule(E,v,t,n,r)}return}}this.advanceSchedule(e,i,t,n,r)}advanceSchedule(e,t,i,s,n){const r=e>=0?t[e]:null,o=this.primaryMedia,u=this.playerQueue;if(u.length&&u.forEach(l=>{const d=l.interstitial,h=this.schedule.findEventIndex(d.identifier);(h<e||h>e+1)&&this.clearInterstitial(d,r)}),this.isInterstitial(r)){this.timelinePos=Math.min(Math.max(this.timelinePos,r.start),r.end);const l=r.event;i===void 0&&(i=this.schedule.findAssetIndex(l,this.timelinePos));const d=this.waitingItem;this.assetsBuffered(r,o)||this.setBufferingItem(r);let h=this.preloadAssets(l,i);if(this.eventItemsMatch(r,d||s)||(this.waitingItem=r,this.log(`INTERSTITIAL_STARTED ${gn(r)} ${l.appendInPlace?"append in place":""}`),this.hls.trigger(g.INTERSTITIAL_STARTED,{event:l,schedule:t.slice(0),scheduleIndex:e})),!l.assetListLoaded){this.log(`Waiting for ASSET-LIST to complete loading ${l}`);return}if(l.assetListLoader&&(l.assetListLoader.destroy(),l.assetListLoader=void 0),!o){this.log(`Waiting for attachMedia to start Interstitial ${l}`);return}this.waitingItem=this.endedItem=null,this.playingItem=r;const m=l.assetList[i];if(!m){const v=t[e+1],E=this.media;v&&E&&!this.isInterstitial(v)&&E.currentTime<v.start&&(E.currentTime=this.timelinePos=v.start),this.advanceAfterAssetEnded(l,e,i||0);return}if(h||(h=this.getAssetPlayer(m.identifier)),h===null||h.destroyed){const v=l.assetList.length;this.warn(`asset ${i+1}/${v} player destroyed ${l}`),h=this.createAssetPlayer(l,m,i)}if(!this.eventItemsMatch(r,this.bufferingItem)&&l.appendInPlace&&this.isAssetBuffered(m))return;this.startAssetPlayer(h,i,t,e,o),this.shouldPlay&&vo(h.media)}else r!==null?(this.resumePrimary(r,e,s),this.shouldPlay&&vo(this.hls.media)):n&&this.isInterstitial(s)&&(this.endedItem=null,this.playingItem=s,s.event.appendInPlace||this.attachPrimary(this.schedule.durations.primary,null))}get playbackDisabled(){return this.hls.config.enableInterstitialPlayback===!1}get primaryDetails(){var e,t;return(e=this.mediaSelection)==null||(t=e.main)==null?void 0:t.details}get primaryLive(){var e;return!!((e=this.primaryDetails)!=null&&e.live)}resumePrimary(e,t,i){var s;if(this.playingItem=e,this.playingAsset=this.endedAsset=null,this.waitingItem=this.endedItem=null,this.bufferedToItem(e),this.log(`resuming ${gn(e)}`),!((s=this.detachedData)!=null&&s.mediaSource)){let r=this.timelinePos;(r<e.start||r>=e.end)&&(r=this.getPrimaryResumption(e,t),this.timelinePos=r),this.attachPrimary(r,e)}if(!i)return;const n=this.schedule.items;n&&(this.log(`resumed ${gn(e)}`),this.hls.trigger(g.INTERSTITIALS_PRIMARY_RESUMED,{schedule:n.slice(0),scheduleIndex:t}),this.checkBuffer())}getPrimaryResumption(e,t){const i=e.start;if(this.primaryLive){const s=this.primaryDetails;if(t===0)return this.hls.startPosition;if(s&&(i<s.fragmentStart||i>s.edge))return this.hls.liveSyncPosition||-1}return i}isAssetBuffered(e){const t=this.getAssetPlayer(e.identifier);return t!=null&&t.hls?t.hls.bufferedToEnd:bt.bufferInfo(this.primaryMedia,this.timelinePos,0).end+1>=e.timelineStart+(e.duration||0)}attachPrimary(e,t,i){t?this.setBufferingItem(t):this.bufferingItem=this.playingItem,this.bufferingAsset=null;const s=this.primaryMedia;if(!s)return;const n=this.hls;n.media?this.checkBuffer():(this.transferMediaTo(n,s),i&&this.startLoadingPrimaryAt(e,i)),i||(this.timelinePos=e,this.startLoadingPrimaryAt(e,i))}startLoadingPrimaryAt(e,t){var i;const s=this.hls;!s.loadingEnabled||!s.media||Math.abs((((i=s.mainForwardBufferInfo)==null?void 0:i.start)||s.media.currentTime)-e)>.5?s.startLoad(e,t):s.bufferingEnabled||s.resumeBuffering()}onManifestLoading(){this.stopLoad(),this.schedule.reset(),this.emptyPlayerQueue(),this.clearScheduleState(),this.shouldPlay=!1,this.bufferedPos=this.timelinePos=-1,this.mediaSelection=this.altSelection=this.manager=this.requiredTracks=null,this.hls.off(g.BUFFER_CODECS,this.onBufferCodecs,this),this.hls.on(g.BUFFER_CODECS,this.onBufferCodecs,this)}onLevelUpdated(e,t){if(t.level===-1)return;const i=this.hls.levels[t.level],s=j(j({},this.mediaSelection||this.altSelection),{},{main:i});this.mediaSelection=s,this.schedule.parseInterstitialDateRanges(s,this.hls.config.interstitialAppendInPlace),!this.effectivePlayingItem&&this.schedule.items&&this.checkStart()}onAudioTrackUpdated(e,t){const i=this.hls.audioTracks[t.id],s=this.mediaSelection;if(!s){this.altSelection=j(j({},this.altSelection),{},{audio:i});return}const n=j(j({},s),{},{audio:i});this.mediaSelection=n}onSubtitleTrackUpdated(e,t){const i=this.hls.subtitleTracks[t.id],s=this.mediaSelection;if(!s){this.altSelection=j(j({},this.altSelection),{},{subtitles:i});return}const n=j(j({},s),{},{subtitles:i});this.mediaSelection=n}onAudioTrackSwitching(e,t){const i=w(t);this.playerQueue.forEach(s=>s.hls.setAudioOption(t)||s.hls.setAudioOption(i))}onSubtitleTrackSwitch(e,t){const i=w(t);this.playerQueue.forEach(s=>s.hls.setSubtitleOption(t)||t.id!==-1&&s.hls.setSubtitleOption(i))}onBufferCodecs(e,t){const i=t.tracks;i&&(this.requiredTracks=i)}onBufferAppended(e,t){this.checkBuffer()}onBufferFlushed(e,t){const i=this.playingItem;if(i&&!this.itemsMatch(i,this.bufferingItem)&&!this.isInterstitial(i)){const s=this.timelinePos;this.bufferedPos=s,this.checkBuffer()}}onBufferedToEnd(e){const t=this.schedule.events;if(this.bufferedPos<Number.MAX_VALUE&&t){for(let s=0;s<t.length;s++){const n=t[s];if(n.cue.post){var i;const r=this.schedule.findEventIndex(n.identifier),o=(i=this.schedule.items)==null?void 0:i[r];this.isInterstitial(o)&&this.eventItemsMatch(o,this.bufferingItem)&&this.bufferedToItem(o,0);break}}this.bufferedPos=Number.MAX_VALUE}}onMediaEnded(e){const t=this.playingItem;if(!this.playingLastItem&&t){const i=this.findItemIndex(t);this.setSchedulePosition(i+1)}else this.shouldPlay=!1}updateItem(e,t){const i=this.schedule.items;if(e&&i){const s=this.findItemIndex(e,t);return i[s]||null}return null}itemsMatch(e,t){return!!t&&(e===t||e.event&&t.event&&this.eventItemsMatch(e,t)||!e.event&&!t.event&&this.findItemIndex(e)===this.findItemIndex(t))}eventItemsMatch(e,t){var i;return!!t&&(e===t||e.event.identifier===((i=t.event)==null?void 0:i.identifier))}findItemIndex(e,t){return e?this.schedule.findItemIndex(e,t):-1}updateSchedule(){const e=this.mediaSelection;e&&this.schedule.updateSchedule(e,[])}checkBuffer(e){const t=this.schedule.items;if(!t)return;const i=bt.bufferInfo(this.primaryMedia,this.timelinePos,0);e&&(this.bufferedPos=this.timelinePos),e||(e=i.len<1),this.updateBufferedPos(i.end,t,e)}updateBufferedPos(e,t,i){const s=this.schedule,n=this.bufferingItem;if(this.bufferedPos>e)return;if(t.length===1&&this.itemsMatch(t[0],n)){this.bufferedPos=e;return}const r=this.playingItem,o=this.findItemIndex(r);let u=s.findItemIndexAtTime(e);if(this.bufferedPos<e){var l,d;const h=this.findItemIndex(n),m=Math.min(h+1,t.length-1),v=t[m];if((u===-1&&n&&e>=n.end||(l=v.event)!=null&&l.appendInPlace&&e+.01>=v.start)&&(u=m),m-o>1&&(n==null||(d=n.event)==null?void 0:d.appendInPlace)===!1)return;if(this.bufferedPos=e,u>h&&u>o)this.bufferedToItem(v);else{const E=this.primaryDetails;this.primaryLive&&E&&e>E.edge-E.targetduration&&v.start<E.edge+this.hls.config.interstitialLiveLookAhead&&this.isInterstitial(v)&&this.preloadAssets(v.event,0)}}else i&&r&&!this.itemsMatch(r,n)&&(u===o?this.bufferedToItem(r):u===o+1&&this.bufferedToItem(t[u]))}assetsBuffered(e,t){return e.event.assetList.length===0?!1:!e.event.assetList.some(s=>{const n=this.getAssetPlayer(s.identifier);return!(n!=null&&n.bufferedInPlaceToEnd(t))})}setBufferingItem(e){const t=this.bufferingItem,i=this.schedule;if(this.itemsMatch(e,t))this.bufferingItem!==e&&(this.bufferingItem=e);else{const{items:s,events:n}=i;if(!s||!n)return t;const r=this.isInterstitial(e),o=this.getBufferingPlayer();if(this.bufferingItem=e,this.bufferedPos=Math.max(e.start,Math.min(e.end,this.timelinePos)),!this.playbackDisabled){const u=o?o.remaining:t?t.end-this.timelinePos:0;this.log(`buffered to boundary ${gn(e)}`+(t?` (${u.toFixed(2)} remaining)`:"")),r?e.event.assetList.forEach(l=>{const d=this.getAssetPlayer(l.identifier);d&&d.resumeBuffering()}):(this.hls.resumeBuffering(),this.playerQueue.forEach(l=>l.pauseBuffering()))}this.hls.trigger(g.INTERSTITIALS_BUFFERED_TO_BOUNDARY,{events:n.slice(0),schedule:s.slice(0),bufferingIndex:this.findItemIndex(e),playingIndex:this.findItemIndex(this.playingItem)})}return t}bufferedToItem(e,t=0){const i=this.setBufferingItem(e);if(!this.playbackDisabled){if(this.isInterstitial(e))this.bufferedToEvent(e,t);else if(i!==null){this.bufferingAsset=null;const s=this.detachedData;s?s.mediaSource?this.attachPrimary(e.start,e,!0):this.preloadPrimary(e):this.preloadPrimary(e)}}}preloadPrimary(e){const t=this.findItemIndex(e),i=this.getPrimaryResumption(e,t);this.startLoadingPrimaryAt(i)}bufferedToEvent(e,t){const i=e.event,s=i.assetList.length===0&&!i.assetListLoader,n=i.cue.once;if(s||!n){const r=this.preloadAssets(i,t);if(r!=null&&r.interstitial.appendInPlace){const o=i.assetList[t],u=this.primaryMedia;o&&u&&this.bufferAssetPlayer(r,u)}}}preloadAssets(e,t){const i=e.assetUrl,s=e.assetList.length,n=s===0&&!e.assetListLoader,r=e.cue.once;if(n){const u=e.timelineStart;if(e.appendInPlace){var o;const m=this.playingItem;!this.isInterstitial(m)&&(m==null||(o=m.nextEvent)==null?void 0:o.identifier)===e.identifier&&this.flushFrontBuffer(u+.25)}let l,d=0;if(!this.playingItem&&this.primaryLive&&(d=this.hls.startPosition,d===-1&&(d=this.hls.liveSyncPosition||0)),d&&!(e.cue.pre||e.cue.post)){const m=d-u;m>0&&(l=Math.round(m*1e3)/1e3)}if(this.log(`Load interstitial asset ${t+1}/${i?1:s} ${e}${l?` live-start: ${d} start-offset: ${l}`:""}`),i)return this.createAsset(e,0,0,u,e.duration,i);const h=this.assetListLoader.loadAssetList(e,l);h&&(e.assetListLoader=h)}else if(!r&&s){for(let u=t;u<s;u++){const l=e.assetList[u],d=this.getAssetPlayerQueueIndex(l.identifier);(d===-1||this.playerQueue[d].destroyed)&&!l.error&&this.createAssetPlayer(e,l,u)}return this.getAssetPlayer(e.assetList[t].identifier)}return null}flushFrontBuffer(e){const t=this.requiredTracks;if(!t)return;this.log(`Removing front buffer starting at ${e}`),Object.keys(t).forEach(s=>{this.hls.trigger(g.BUFFER_FLUSHING,{startOffset:e,endOffset:1/0,type:s})})}getAssetPlayerQueueIndex(e){const t=this.playerQueue;for(let i=0;i<t.length;i++)if(e===t[i].assetId)return i;return-1}getAssetPlayer(e){const t=this.getAssetPlayerQueueIndex(e);return this.playerQueue[t]||null}getBufferingPlayer(){const{playerQueue:e,primaryMedia:t}=this;if(t){for(let i=0;i<e.length;i++)if(e[i].media===t)return e[i]}return null}createAsset(e,t,i,s,n,r){const o={parentIdentifier:e.identifier,identifier:Gu(e,r,t),duration:n,startOffset:i,timelineStart:s,uri:r};return this.createAssetPlayer(e,o,t)}createAssetPlayer(e,t,i){this.log(`create HLSAssetPlayer for ${ca(t)}`);const s=this.hls,n=s.userConfig;let r=n.videoPreference;const o=s.loadLevelObj||s.levels[s.currentLevel];(r||o)&&(r=Le({},r),o.videoCodec&&(r.videoCodec=o.videoCodec),o.videoRange&&(r.allowedVideoRanges=[o.videoRange]));const u=s.audioTracks[s.audioTrack],l=s.subtitleTracks[s.subtitleTrack];let d=0;if(this.primaryLive||e.appendInPlace){const L=this.timelinePos-t.timelineStart;if(L>1){const B=t.duration;B&&L<B&&(d=L)}}const h=t.identifier,m=j(j({},n),{},{autoStartLoad:!0,startFragPrefetch:!0,primarySessionId:s.sessionId,assetPlayerId:h,abrEwmaDefaultEstimate:s.bandwidthEstimate,interstitialsController:void 0,startPosition:d,liveDurationInfinity:!1,testBandwidth:!1,videoPreference:r,audioPreference:u||n.audioPreference,subtitlePreference:l||n.subtitlePreference});e.appendInPlace&&(e.appendInPlaceStarted=!0,t.timelineStart&&(m.timelineOffset=t.timelineStart));const v=m.cmcd;v!=null&&v.sessionId&&v.contentId&&(m.cmcd=Le({},v,{contentId:nr(t.uri)})),this.getAssetPlayer(h)&&this.warn(`Duplicate date range identifier ${e} and asset ${h}`);const E=new Hu(this.HlsPlayerClass,m,e,t);this.playerQueue.push(E),e.assetList[i]=t;const S=L=>{if(L.live){const te=new Error(`Interstitials MUST be VOD assets ${e}`),U={fatal:!0,type:Z.OTHER_ERROR,details:A.INTERSTITIAL_ASSET_ITEM_ERROR,error:te};this.handleAssetItemError(U,e,this.schedule.findEventIndex(e.identifier),i,te.message);return}const B=L.edge-L.fragmentStart,N=t.duration;(N===null||B>N)&&(this.log(`Interstitial asset "${h}" duration change ${N} > ${B}`),t.duration=B,this.updateSchedule())};E.on(g.LEVEL_UPDATED,(L,{details:B})=>S(B)),E.on(g.LEVEL_PTS_UPDATED,(L,{details:B})=>S(B));const _=(L,B)=>{const N=this.getAssetPlayer(h);if(N&&B.tracks){N.off(g.BUFFER_CODECS,_),N.tracks=B.tracks;const te=this.primaryMedia;this.bufferingAsset===N.assetItem&&te&&!N.media&&this.bufferAssetPlayer(N,te)}};E.on(g.BUFFER_CODECS,_);const x=()=>{var L;const B=this.getAssetPlayer(h);if(this.log(`buffered to end of asset ${B}`),!B)return;const N=this.schedule.findEventIndex(e.identifier),te=e.findAssetIndex(t),U=te+1,z=(L=this.schedule.items)==null?void 0:L[N];if(this.isInterstitial(z))if(te!==-1&&!e.isAssetPastPlayoutLimit(U)&&!e.assetList[U].error)this.bufferedToItem(z,U);else{var le;const V=(le=this.schedule.items)==null?void 0:le[N+1];V&&this.bufferedToItem(V)}};E.on(g.BUFFERED_TO_END,x);const R=L=>()=>{if(!this.getAssetPlayer(h))return;this.shouldPlay=!0;const N=this.schedule.findEventIndex(e.identifier);this.advanceAfterAssetEnded(e,N,L)};return E.once(g.MEDIA_ENDED,R(i)),E.once(g.PLAYOUT_LIMIT_REACHED,R(1/0)),E.on(g.ERROR,(L,B)=>{const N=this.getAssetPlayer(h);if(B.details===A.BUFFER_STALLED_ERROR){if(N!=null&&N.media){const te=N.currentTime,U=N.duration-te;te&&e.appendInPlace&&U/N.media.playbackRate<.5?(this.log(`Advancing buffer past end of asset ${h} ${e} at ${N.media.currentTime}`),x()):(this.warn(`Stalled at ${te} of ${te+U} in asset ${h} ${e}`),this.onTimeupdate(),this.checkBuffer(!0))}return}this.handleAssetItemError(B,e,this.schedule.findEventIndex(e.identifier),i,`Asset player error ${B.error} ${e}`)}),E.on(g.DESTROYING,()=>{if(!this.getAssetPlayer(h))return;const B=new Error(`Asset player destroyed unexpectedly ${h}`),N={fatal:!0,type:Z.OTHER_ERROR,details:A.INTERSTITIAL_ASSET_ITEM_ERROR,error:B};this.handleAssetItemError(N,e,this.schedule.findEventIndex(e.identifier),i,B.message)}),this.hls.trigger(g.INTERSTITIAL_ASSET_PLAYER_CREATED,{asset:t,assetListIndex:i,event:e,player:E}),E}clearInterstitial(e,t){e.assetList.forEach(i=>{this.clearAssetPlayer(i.identifier,t)}),e.reset()}clearAssetPlayer(e,t){const i=this.getAssetPlayerQueueIndex(e);if(i!==-1){this.log(`clearAssetPlayer "${e}" toSegment: ${t&&gn(t)}`);const s=this.playerQueue[i];this.transferMediaFromPlayer(s,t),this.playerQueue.splice(i,1),s.destroy()}}emptyPlayerQueue(){let e;for(;e=this.playerQueue.pop();)e.destroy();this.playerQueue=[]}startAssetPlayer(e,t,i,s,n){const{interstitial:r,assetItem:o,assetId:u}=e,l=r.assetList.length,d=this.playingAsset;this.endedAsset=null,this.playingAsset=o,(!d||d.identifier!==u)&&(d&&(this.clearAssetPlayer(d.identifier,i[s]),delete d.error),this.log(`INTERSTITIAL_ASSET_STARTED ${t+1}/${l} ${e}`),this.hls.trigger(g.INTERSTITIAL_ASSET_STARTED,{asset:o,assetListIndex:t,event:r,schedule:i.slice(0),scheduleIndex:s,player:e})),this.bufferAssetPlayer(e,n)}bufferAssetPlayer(e,t){var i,s;const{interstitial:n,assetItem:r,assetId:o}=e,u=this.schedule.findEventIndex(n.identifier),l=(i=this.schedule.items)==null?void 0:i[u];if(!l)return;this.setBufferingItem(l),this.bufferingAsset=r;const d=this.getBufferingPlayer();if(d===e)return;const h=n.appendInPlace;if(h&&(d==null?void 0:d.interstitial.appendInPlace)===!1)return;const m=(d==null?void 0:d.tracks)||((s=this.detachedData)==null?void 0:s.tracks)||this.requiredTracks;if(h&&r!==this.playingAsset){if(!e.tracks)return;if(m&&!kt(m,e.tracks)){const v=new Error(`Asset "${o}" SourceBuffer tracks ('${Object.keys(e.tracks)}') are not compatible with primary content tracks ('${Object.keys(m)}')`),E={fatal:!0,type:Z.OTHER_ERROR,details:A.INTERSTITIAL_ASSET_ITEM_ERROR,error:v},S=n.findAssetIndex(r);this.handleAssetItemError(E,n,u,S,v.message);return}}this.transferMediaTo(e,t)}handleAssetItemError(e,t,i,s,n){if(e.details===A.BUFFER_STALLED_ERROR)return;const r=t.assetList[s]||null;let o=null;if(r){const h=this.getAssetPlayerQueueIndex(r.identifier);o=this.playerQueue[h]||null}const u=this.schedule.items,l=Le({},e,{fatal:!1,errorAction:wi(!0),asset:r,assetListIndex:s,event:t,schedule:u,scheduleIndex:i,player:o});if(this.warn(`Asset item error: ${e.error}`),this.hls.trigger(g.INTERSTITIAL_ASSET_ERROR,l),!e.fatal)return;const d=new Error(n);r&&(this.playingAsset!==r&&this.clearAssetPlayer(r.identifier,null),r.error=d),t.assetList.some(h=>!h.error)?t.appendInPlace&&(t.error=d):t.error=d,this.primaryFallback(t)}primaryFallback(e){const t=e.timelineStart,i=this.effectivePlayingItem;if(this.updateSchedule(),i){this.log(`Fallback to primary from event "${e.identifier}" start: ${t} pos: ${this.timelinePos} playing: ${i?gn(i):"<none>"} error: ${e.error}`),e.appendInPlace&&(this.attachPrimary(t,null),this.flushFrontBuffer(t));let s=this.timelinePos;s===-1&&(s=this.hls.startPosition);const n=this.updateItem(i,s);if(this.itemsMatch(i,n))this.clearInterstitial(e,null);else{const r=this.schedule.findItemIndexAtTime(s);this.setSchedulePosition(r)}}else this.checkStart()}onAssetListLoaded(e,t){var i;const s=t.event,n=s.identifier,r=t.assetListResponse.ASSETS;if(!this.schedule.hasEvent(n))return;const o=s.timelineStart,u=s.duration;let l=0;r.forEach((E,S)=>{const _=parseFloat(E.DURATION);this.createAsset(s,S,l,o+l,_,E.URI),l+=_}),s.duration=l,this.log(`Loaded asset-list with duration: ${l} (was: ${u}) ${s}`);const d=this.waitingItem,h=(d==null?void 0:d.event.identifier)===n;this.updateSchedule();const m=(i=this.bufferingItem)==null?void 0:i.event;if(h){var v;const E=this.schedule.findEventIndex(n),S=(v=this.schedule.items)==null?void 0:v[E];if(S){if(!this.playingItem&&this.timelinePos>S.end&&this.schedule.findItemIndexAtTime(this.timelinePos)!==E){s.error=new Error(`Interstitial no longer within playback range ${this.timelinePos} ${s}`),this.primaryFallback(s);return}this.setBufferingItem(S)}this.setSchedulePosition(E)}else if((m==null?void 0:m.identifier)===n&&m.appendInPlace){const E=s.assetList[0],S=this.getAssetPlayer(E.identifier),_=this.primaryMedia;E&&S&&_&&this.bufferAssetPlayer(S,_)}}onError(e,t){switch(t.details){case A.ASSET_LIST_PARSING_ERROR:case A.ASSET_LIST_LOAD_ERROR:case A.ASSET_LIST_LOAD_TIMEOUT:{const i=t.interstitial;i&&this.primaryFallback(i);break}case A.BUFFER_STALLED_ERROR:{this.onTimeupdate(),this.checkBuffer(!0);break}}}}const Eo=500;class Yu extends vs{constructor(e,t,i){super(e,t,i,"subtitle-stream-controller",oe.SUBTITLE),this.currentTrackId=-1,this.tracksBuffered=[],this.mainDetails=null,this.registerListeners()}onHandlerDestroying(){this.unregisterListeners(),super.onHandlerDestroying(),this.mainDetails=null}registerListeners(){super.registerListeners();const{hls:e}=this;e.on(g.LEVEL_LOADED,this.onLevelLoaded,this),e.on(g.SUBTITLE_TRACKS_UPDATED,this.onSubtitleTracksUpdated,this),e.on(g.SUBTITLE_TRACK_SWITCH,this.onSubtitleTrackSwitch,this),e.on(g.SUBTITLE_TRACK_LOADED,this.onSubtitleTrackLoaded,this),e.on(g.SUBTITLE_FRAG_PROCESSED,this.onSubtitleFragProcessed,this),e.on(g.BUFFER_FLUSHING,this.onBufferFlushing,this)}unregisterListeners(){super.unregisterListeners();const{hls:e}=this;e.off(g.LEVEL_LOADED,this.onLevelLoaded,this),e.off(g.SUBTITLE_TRACKS_UPDATED,this.onSubtitleTracksUpdated,this),e.off(g.SUBTITLE_TRACK_SWITCH,this.onSubtitleTrackSwitch,this),e.off(g.SUBTITLE_TRACK_LOADED,this.onSubtitleTrackLoaded,this),e.off(g.SUBTITLE_FRAG_PROCESSED,this.onSubtitleFragProcessed,this),e.off(g.BUFFER_FLUSHING,this.onBufferFlushing,this)}startLoad(e,t){this.stopLoad(),this.state=re.IDLE,this.setInterval(Eo),this.nextLoadPosition=this.lastCurrentTime=e+this.timelineOffset,this.startPosition=t?-1:e,this.tick()}onManifestLoading(){super.onManifestLoading(),this.mainDetails=null}onMediaDetaching(e,t){this.tracksBuffered=[],super.onMediaDetaching(e,t)}onLevelLoaded(e,t){this.mainDetails=t.details}onSubtitleFragProcessed(e,t){const{frag:i,success:s}=t;if(We(i)&&(this.fragPrevious=i),this.state=re.IDLE,!s)return;const n=this.tracksBuffered[this.currentTrackId];if(!n)return;let r;const o=i.start;for(let l=0;l<n.length;l++)if(o>=n[l].start&&o<=n[l].end){r=n[l];break}const u=i.start+i.duration;r?r.end=u:(r={start:o,end:u},n.push(r)),this.fragmentTracker.fragBuffered(i),this.fragBufferedComplete(i,null),this.media&&this.tick()}onBufferFlushing(e,t){const{startOffset:i,endOffset:s}=t;if(i===0&&s!==Number.POSITIVE_INFINITY){const n=s-1;if(n<=0)return;t.endOffsetSubtitles=Math.max(0,n),this.tracksBuffered.forEach(r=>{for(let o=0;o<r.length;){if(r[o].end<=n){r.shift();continue}else if(r[o].start<n)r[o].start=n;else break;o++}}),this.fragmentTracker.removeFragmentsInRange(i,n,oe.SUBTITLE)}}onError(e,t){const i=t.frag;(i==null?void 0:i.type)===oe.SUBTITLE&&(t.details===A.FRAG_GAP&&this.fragmentTracker.fragBuffered(i,!0),this.fragCurrent&&this.fragCurrent.abortRequests(),this.state!==re.STOPPED&&(this.state=re.IDLE))}onSubtitleTracksUpdated(e,{subtitleTracks:t}){if(this.levels&&Ja(this.levels,t)){this.levels=t.map(i=>new ue(i));return}this.tracksBuffered=[],this.levels=t.map(i=>{const s=new ue(i);return this.tracksBuffered[s.id]=[],s}),this.fragmentTracker.removeFragmentsInRange(0,Number.POSITIVE_INFINITY,oe.SUBTITLE),this.fragPrevious=null,this.mediaBuffer=null}onSubtitleTrackSwitch(e,t){var i;if(this.currentTrackId=t.id,!((i=this.levels)!=null&&i.length)||this.currentTrackId===-1){this.clearInterval();return}const s=this.levels[this.currentTrackId];s!=null&&s.details?this.mediaBuffer=this.mediaBufferTimeRanges:this.mediaBuffer=null,s&&this.state!==re.STOPPED&&this.setInterval(Eo)}onSubtitleTrackLoaded(e,t){var i;const{currentTrackId:s,levels:n}=this,{details:r,id:o}=t;if(!n){this.warn(`Subtitle tracks were reset while loading level ${o}`);return}const u=n[o];if(o>=n.length||!u)return;this.log(`Subtitle track ${o} loaded [${r.startSN},${r.endSN}]${r.lastPartSn?`[part-${r.lastPartSn}-${r.lastPartIndex}]`:""},duration:${r.totalduration}`),this.mediaBuffer=this.mediaBufferTimeRanges;let l=0;if(r.live||(i=u.details)!=null&&i.live){const h=this.mainDetails;if(r.deltaUpdateFailed||!h)return;const m=h.fragments[0];if(!u.details)r.hasProgramDateTime&&h.hasProgramDateTime?(Si(r,h),l=r.fragmentStart):m&&(l=m.start,Cn(r,l));else{var d;l=this.alignPlaylists(r,u.details,(d=this.levelLastLoaded)==null?void 0:d.details),l===0&&m&&(l=m.start,Cn(r,l))}}u.details=r,this.levelLastLoaded=u,o===s&&(this.hls.trigger(g.SUBTITLE_TRACK_UPDATED,{details:r,id:o,groupId:t.groupId}),this.tick(),r.live&&!this.fragCurrent&&this.media&&this.state===re.IDLE&&(Bt(null,r.fragments,this.media.currentTime,0)||(this.warn("Subtitle playlist not aligned with playback"),u.details=void 0)))}_handleFragmentLoadComplete(e){const{frag:t,payload:i}=e,s=t.decryptdata,n=this.hls;if(!this.fragContextChanged(t)&&i&&i.byteLength>0&&s!=null&&s.key&&s.iv&&Ss(s.method)){const r=performance.now();this.decrypter.decrypt(new Uint8Array(i),s.key.buffer,s.iv.buffer,Ts(s.method)).catch(o=>{throw n.trigger(g.ERROR,{type:Z.MEDIA_ERROR,details:A.FRAG_DECRYPT_ERROR,fatal:!1,error:o,reason:o.message,frag:t}),o}).then(o=>{const u=performance.now();n.trigger(g.FRAG_DECRYPTED,{frag:t,payload:o,stats:{tstart:r,tdecrypt:u}})}).catch(o=>{this.warn(`${o.name}: ${o.message}`),this.state=re.IDLE})}}doTick(){if(!this.media){this.state=re.IDLE;return}if(this.state===re.IDLE){const{currentTrackId:e,levels:t}=this,i=t==null?void 0:t[e];if(!i||!t.length||!i.details||this.waitForLive(i))return;const{config:s}=this,n=this.getLoadPosition(),r=bt.bufferedInfo(this.tracksBuffered[this.currentTrackId]||[],n,s.maxBufferHole),{end:o,len:u}=r,l=i.details,d=this.hls.maxBufferLength+l.levelTargetDuration;if(u>d)return;const h=l.fragments,m=h.length,v=l.edge;let E=null;const S=this.fragPrevious;if(o<v){const R=s.maxFragLookUpTolerance,L=o>v-R?0:R;E=Bt(S,h,Math.max(h[0].start,o),L),!E&&S&&S.start<h[0].start&&(E=h[0])}else E=h[m-1];if(E=this.filterReplacedPrimary(E,i.details),!E)return;const _=E.sn-l.startSN,x=h[_-1];if(x&&x.cc===E.cc&&this.fragmentTracker.getState(x)===Qt.NOT_LOADED&&(E=x),this.fragmentTracker.getState(E)===Qt.NOT_LOADED){const R=this.mapToInitFragWhenRequired(E);R&&this.loadFragment(R,i,o)}}}loadFragment(e,t,i){We(e)?super.loadFragment(e,t,i):this._loadInitSegment(e,t)}get mediaBufferTimeRanges(){return new Zu(this.tracksBuffered[this.currentTrackId]||[])}}class Zu{constructor(e){this.buffered=void 0;const t=(i,s,n)=>{if(s=s>>>0,s>n-1)throw new DOMException(`Failed to execute '${i}' on 'TimeRanges': The index provided (${s}) is greater than the maximum bound (${n})`);return e[s][i]};this.buffered={get length(){return e.length},end(i){return t("end",i,e.length)},start(i){return t("start",i,e.length)}}}}const qu={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},yo=a=>String.fromCharCode(qu[a]||a),Ys=15,dn=100,Xu={17:1,18:3,21:5,22:7,23:9,16:11,19:12,20:14},Qu={17:2,18:4,21:6,22:8,23:10,19:13,20:15},Ju={25:1,26:3,29:5,30:7,31:9,24:11,27:12,28:14},ec={25:2,26:4,29:6,30:8,31:10,27:13,28:15},tc=["white","green","blue","cyan","red","yellow","magenta","black","transparent"];class ic{constructor(){this.time=null,this.verboseLevel=0}log(e,t){if(this.verboseLevel>=e){const i=typeof t=="function"?t():t;Y.log(`${this.time} [${e}] ${i}`)}}}const An=function(e){const t=[];for(let i=0;i<e.length;i++)t.push(e[i].toString(16));return t};class _o{constructor(){this.foreground="white",this.underline=!1,this.italics=!1,this.background="black",this.flash=!1}reset(){this.foreground="white",this.underline=!1,this.italics=!1,this.background="black",this.flash=!1}setStyles(e){const t=["foreground","underline","italics","background","flash"];for(let i=0;i<t.length;i++){const s=t[i];e.hasOwnProperty(s)&&(this[s]=e[s])}}isDefault(){return this.foreground==="white"&&!this.underline&&!this.italics&&this.background==="black"&&!this.flash}equals(e){return this.foreground===e.foreground&&this.underline===e.underline&&this.italics===e.italics&&this.background===e.background&&this.flash===e.flash}copy(e){this.foreground=e.foreground,this.underline=e.underline,this.italics=e.italics,this.background=e.background,this.flash=e.flash}toString(){return"color="+this.foreground+", underline="+this.underline+", italics="+this.italics+", background="+this.background+", flash="+this.flash}}class sc{constructor(){this.uchar=" ",this.penState=new _o}reset(){this.uchar=" ",this.penState.reset()}setChar(e,t){this.uchar=e,this.penState.copy(t)}setPenState(e){this.penState.copy(e)}equals(e){return this.uchar===e.uchar&&this.penState.equals(e.penState)}copy(e){this.uchar=e.uchar,this.penState.copy(e.penState)}isEmpty(){return this.uchar===" "&&this.penState.isDefault()}}class nc{constructor(e){this.chars=[],this.pos=0,this.currPenState=new _o,this.cueStartTime=null,this.logger=void 0;for(let t=0;t<dn;t++)this.chars.push(new sc);this.logger=e}equals(e){for(let t=0;t<dn;t++)if(!this.chars[t].equals(e.chars[t]))return!1;return!0}copy(e){for(let t=0;t<dn;t++)this.chars[t].copy(e.chars[t])}isEmpty(){let e=!0;for(let t=0;t<dn;t++)if(!this.chars[t].isEmpty()){e=!1;break}return e}setCursor(e){this.pos!==e&&(this.pos=e),this.pos<0?(this.logger.log(3,"Negative cursor position "+this.pos),this.pos=0):this.pos>dn&&(this.logger.log(3,"Too large cursor position "+this.pos),this.pos=dn)}moveCursor(e){const t=this.pos+e;if(e>1)for(let i=this.pos+1;i<t+1;i++)this.chars[i].setPenState(this.currPenState);this.setCursor(t)}backSpace(){this.moveCursor(-1),this.chars[this.pos].setChar(" ",this.currPenState)}insertChar(e){e>=144&&this.backSpace();const t=yo(e);if(this.pos>=dn){this.logger.log(0,()=>"Cannot insert "+e.toString(16)+" ("+t+") at position "+this.pos+". Skipping it!");return}this.chars[this.pos].setChar(t,this.currPenState),this.moveCursor(1)}clearFromPos(e){let t;for(t=e;t<dn;t++)this.chars[t].reset()}clear(){this.clearFromPos(0),this.pos=0,this.currPenState.reset()}clearToEndOfRow(){this.clearFromPos(this.pos)}getTextString(){const e=[];let t=!0;for(let i=0;i<dn;i++){const s=this.chars[i].uchar;s!==" "&&(t=!1),e.push(s)}return t?"":e.join("")}setPenStyles(e){this.currPenState.setStyles(e),this.chars[this.pos].setPenState(this.currPenState)}}class da{constructor(e){this.rows=[],this.currRow=Ys-1,this.nrRollUpRows=null,this.lastOutputScreen=null,this.logger=void 0;for(let t=0;t<Ys;t++)this.rows.push(new nc(e));this.logger=e}reset(){for(let e=0;e<Ys;e++)this.rows[e].clear();this.currRow=Ys-1}equals(e){let t=!0;for(let i=0;i<Ys;i++)if(!this.rows[i].equals(e.rows[i])){t=!1;break}return t}copy(e){for(let t=0;t<Ys;t++)this.rows[t].copy(e.rows[t])}isEmpty(){let e=!0;for(let t=0;t<Ys;t++)if(!this.rows[t].isEmpty()){e=!1;break}return e}backSpace(){this.rows[this.currRow].backSpace()}clearToEndOfRow(){this.rows[this.currRow].clearToEndOfRow()}insertChar(e){this.rows[this.currRow].insertChar(e)}setPen(e){this.rows[this.currRow].setPenStyles(e)}moveCursor(e){this.rows[this.currRow].moveCursor(e)}setCursor(e){this.logger.log(2,"setCursor: "+e),this.rows[this.currRow].setCursor(e)}setPAC(e){this.logger.log(2,()=>"pacData = "+Et(e));let t=e.row-1;if(this.nrRollUpRows&&t<this.nrRollUpRows-1&&(t=this.nrRollUpRows-1),this.nrRollUpRows&&this.currRow!==t){for(let o=0;o<Ys;o++)this.rows[o].clear();const n=this.currRow+1-this.nrRollUpRows,r=this.lastOutputScreen;if(r){const o=r.rows[n].cueStartTime,u=this.logger.time;if(o!==null&&u!==null&&o<u)for(let l=0;l<this.nrRollUpRows;l++)this.rows[t-this.nrRollUpRows+l+1].copy(r.rows[n+l])}}this.currRow=t;const i=this.rows[this.currRow];if(e.indent!==null){const n=e.indent,r=Math.max(n-1,0);i.setCursor(e.indent),e.color=i.chars[r].penState.foreground}const s={foreground:e.color,underline:e.underline,italics:e.italics,background:"black",flash:!1};this.setPen(s)}setBkgData(e){this.logger.log(2,()=>"bkgData = "+Et(e)),this.backSpace(),this.setPen(e),this.insertChar(32)}setRollUpRows(e){this.nrRollUpRows=e}rollUp(){if(this.nrRollUpRows===null){this.logger.log(3,"roll_up but nrRollUpRows not set yet");return}this.logger.log(1,()=>this.getDisplayText());const 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(2,"Rolling up")}getDisplayText(e){e=e||!1;const t=[];let i="",s=-1;for(let n=0;n<Ys;n++){const r=this.rows[n].getTextString();r&&(s=n+1,e?t.push("Row "+s+": '"+r+"'"):t.push(r.trim()))}return t.length>0&&(e?i="["+t.join(" | ")+"]":i=t.join(`
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|
`)),i}getTextAndFormat(){return this.rows}}class So{constructor(e,t,i){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 da(i),this.nonDisplayedMemory=new da(i),this.lastOutputScreen=new da(i),this.currRollUpRow=this.displayedMemory.rows[Ys-1],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null,this.logger=i}reset(){this.mode=null,this.displayedMemory.reset(),this.nonDisplayedMemory.reset(),this.lastOutputScreen.reset(),this.outputFilter.reset(),this.currRollUpRow=this.displayedMemory.rows[Ys-1],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null}getHandler(){return this.outputFilter}setHandler(e){this.outputFilter=e}setPAC(e){this.writeScreen.setPAC(e)}setBkgData(e){this.writeScreen.setBkgData(e)}setMode(e){e!==this.mode&&(this.mode=e,this.logger.log(2,()=>"MODE="+e),this.mode==="MODE_POP-ON"?this.writeScreen=this.nonDisplayedMemory:(this.writeScreen=this.displayedMemory,this.writeScreen.reset()),this.mode!=="MODE_ROLL-UP"&&(this.displayedMemory.nrRollUpRows=null,this.nonDisplayedMemory.nrRollUpRows=null),this.mode=e)}insertChars(e){for(let i=0;i<e.length;i++)this.writeScreen.insertChar(e[i]);const t=this.writeScreen===this.displayedMemory?"DISP":"NON_DISP";this.logger.log(2,()=>t+": "+this.writeScreen.getDisplayText(!0)),(this.mode==="MODE_PAINT-ON"||this.mode==="MODE_ROLL-UP")&&(this.logger.log(1,()=>"DISPLAYED: "+this.displayedMemory.getDisplayText(!0)),this.outputDataUpdate())}ccRCL(){this.logger.log(2,"RCL - Resume Caption Loading"),this.setMode("MODE_POP-ON")}ccBS(){this.logger.log(2,"BS - BackSpace"),this.mode!=="MODE_TEXT"&&(this.writeScreen.backSpace(),this.writeScreen===this.displayedMemory&&this.outputDataUpdate())}ccAOF(){}ccAON(){}ccDER(){this.logger.log(2,"DER- Delete to End of Row"),this.writeScreen.clearToEndOfRow(),this.outputDataUpdate()}ccRU(e){this.logger.log(2,"RU("+e+") - Roll Up"),this.writeScreen=this.displayedMemory,this.setMode("MODE_ROLL-UP"),this.writeScreen.setRollUpRows(e)}ccFON(){this.logger.log(2,"FON - Flash On"),this.writeScreen.setPen({flash:!0})}ccRDC(){this.logger.log(2,"RDC - Resume Direct Captioning"),this.setMode("MODE_PAINT-ON")}ccTR(){this.logger.log(2,"TR"),this.setMode("MODE_TEXT")}ccRTD(){this.logger.log(2,"RTD"),this.setMode("MODE_TEXT")}ccEDM(){this.logger.log(2,"EDM - Erase Displayed Memory"),this.displayedMemory.reset(),this.outputDataUpdate(!0)}ccCR(){this.logger.log(2,"CR - Carriage Return"),this.writeScreen.rollUp(),this.outputDataUpdate(!0)}ccENM(){this.logger.log(2,"ENM - Erase Non-displayed Memory"),this.nonDisplayedMemory.reset()}ccEOC(){if(this.logger.log(2,"EOC - End Of Caption"),this.mode==="MODE_POP-ON"){const e=this.displayedMemory;this.displayedMemory=this.nonDisplayedMemory,this.nonDisplayedMemory=e,this.writeScreen=this.nonDisplayedMemory,this.logger.log(1,()=>"DISP: "+this.displayedMemory.getDisplayText())}this.outputDataUpdate(!0)}ccTO(e){this.logger.log(2,"TO("+e+") - Tab Offset"),this.writeScreen.moveCursor(e)}ccMIDROW(e){const t={flash:!1};if(t.underline=e%2===1,t.italics=e>=46,t.italics)t.foreground="white";else{const i=Math.floor(e/2)-16,s=["white","green","blue","cyan","red","yellow","magenta"];t.foreground=s[i]}this.logger.log(2,"MIDROW: "+Et(t)),this.writeScreen.setPen(t)}outputDataUpdate(e=!1){const t=this.logger.time;t!==null&&this.outputFilter&&(this.cueStartTime===null&&!this.displayedMemory.isEmpty()?this.cueStartTime=t: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.lastOutputScreen.copy(this.displayedMemory))}cueSplitAtTime(e){this.outputFilter&&(this.displayedMemory.isEmpty()||(this.outputFilter.newCue&&this.outputFilter.newCue(this.cueStartTime,e,this.displayedMemory),this.cueStartTime=e))}}class To{constructor(e,t,i){this.channels=void 0,this.currentChannel=0,this.cmdHistory=ac(),this.logger=void 0;const s=this.logger=new ic;this.channels=[null,new So(e,t,s),new So(e+1,i,s)]}getHandler(e){return this.channels[e].getHandler()}setHandler(e,t){this.channels[e].setHandler(t)}addData(e,t){this.logger.time=e;for(let i=0;i<t.length;i+=2){const s=t[i]&127,n=t[i+1]&127;let r=!1,o=null;if(s===0&&n===0)continue;this.logger.log(3,()=>"["+An([t[i],t[i+1]])+"] -> ("+An([s,n])+")");const u=this.cmdHistory;if(s>=16&&s<=31){if(rc(s,n,u)){Cr(null,null,u),this.logger.log(3,()=>"Repeated command ("+An([s,n])+") is dropped");continue}Cr(s,n,this.cmdHistory),r=this.parseCmd(s,n),r||(r=this.parseMidrow(s,n)),r||(r=this.parsePAC(s,n)),r||(r=this.parseBackgroundAttributes(s,n))}else Cr(null,null,u);if(!r&&(o=this.parseChars(s,n),o)){const d=this.currentChannel;d&&d>0?this.channels[d].insertChars(o):this.logger.log(2,"No channel found yet. TEXT-MODE?")}!r&&!o&&this.logger.log(2,()=>"Couldn't parse cleaned data "+An([s,n])+" orig: "+An([t[i],t[i+1]]))}}parseCmd(e,t){const i=(e===20||e===28||e===21||e===29)&&t>=32&&t<=47,s=(e===23||e===31)&&t>=33&&t<=35;if(!(i||s))return!1;const n=e===20||e===21||e===23?1:2,r=this.channels[n];return e===20||e===21||e===28||e===29?t===32?r.ccRCL():t===33?r.ccBS():t===34?r.ccAOF():t===35?r.ccAON():t===36?r.ccDER():t===37?r.ccRU(2):t===38?r.ccRU(3):t===39?r.ccRU(4):t===40?r.ccFON():t===41?r.ccRDC():t===42?r.ccTR():t===43?r.ccRTD():t===44?r.ccEDM():t===45?r.ccCR():t===46?r.ccENM():t===47&&r.ccEOC():r.ccTO(t-32),this.currentChannel=n,!0}parseMidrow(e,t){let i=0;if((e===17||e===25)&&t>=32&&t<=47){if(e===17?i=1:i=2,i!==this.currentChannel)return this.logger.log(0,"Mismatch channel in midrow parsing"),!1;const s=this.channels[i];return s?(s.ccMIDROW(t),this.logger.log(3,()=>"MIDROW ("+An([e,t])+")"),!0):!1}return!1}parsePAC(e,t){let i;const s=(e>=17&&e<=23||e>=25&&e<=31)&&t>=64&&t<=127,n=(e===16||e===24)&&t>=64&&t<=95;if(!(s||n))return!1;const r=e<=23?1:2;t>=64&&t<=95?i=r===1?Xu[e]:Ju[e]:i=r===1?Qu[e]:ec[e];const o=this.channels[r];return o?(o.setPAC(this.interpretPAC(i,t)),this.currentChannel=r,!0):!1}interpretPAC(e,t){let i;const s={color:null,italics:!1,indent:null,underline:!1,row:e};return t>95?i=t-96:i=t-64,s.underline=(i&1)===1,i<=13?s.color=["white","green","blue","cyan","red","yellow","magenta","white"][Math.floor(i/2)]:i<=15?(s.italics=!0,s.color="white"):s.indent=Math.floor((i-16)/2)*4,s}parseChars(e,t){let i,s=null,n=null;if(e>=25?(i=2,n=e-8):(i=1,n=e),n>=17&&n<=19){let r;n===17?r=t+80:n===18?r=t+112:r=t+144,this.logger.log(2,()=>"Special char '"+yo(r)+"' in channel "+i),s=[r]}else e>=32&&e<=127&&(s=t===0?[e]:[e,t]);return s&&this.logger.log(3,()=>"Char codes = "+An(s).join(",")),s}parseBackgroundAttributes(e,t){const i=(e===16||e===24)&&t>=32&&t<=47,s=(e===23||e===31)&&t>=45&&t<=47;if(!(i||s))return!1;let n;const r={};e===16||e===24?(n=Math.floor((t-32)/2),r.background=tc[n],t%2===1&&(r.background=r.background+"_semi")):t===45?r.background="transparent":(r.foreground="black",t===47&&(r.underline=!0));const o=e<=23?1:2;return this.channels[o].setBkgData(r),!0}reset(){for(let e=0;e<Object.keys(this.channels).length;e++){const t=this.channels[e];t&&t.reset()}Cr(null,null,this.cmdHistory)}cueSplitAtTime(e){for(let t=0;t<this.channels.length;t++){const i=this.channels[t];i&&i.cueSplitAtTime(e)}}}function Cr(a,e,t){t.a=a,t.b=e}function rc(a,e,t){return t.a===a&&t.b===e}function ac(){return{a:null,b:null}}var ha=function(){if(Ni!=null&&Ni.VTTCue)return self.VTTCue;const a=["","lr","rl"],e=["start","middle","end","left","right"];function t(o,u){if(typeof u!="string"||!Array.isArray(o))return!1;const l=u.toLowerCase();return~o.indexOf(l)?l:!1}function i(o){return t(a,o)}function s(o){return t(e,o)}function n(o,...u){let l=1;for(;l<arguments.length;l++){const d=arguments[l];for(const h in d)o[h]=d[h]}return o}function r(o,u,l){const d=this,h={enumerable:!0};d.hasBeenReset=!1;let m="",v=!1,E=o,S=u,_=l,x=null,R="",L=!0,B="auto",N="start",te=50,U="middle",z=50,le="middle";Object.defineProperty(d,"id",n({},h,{get:function(){return m},set:function(V){m=""+V}})),Object.defineProperty(d,"pauseOnExit",n({},h,{get:function(){return v},set:function(V){v=!!V}})),Object.defineProperty(d,"startTime",n({},h,{get:function(){return E},set:function(V){if(typeof V!="number")throw new TypeError("Start time must be set to a number.");E=V,this.hasBeenReset=!0}})),Object.defineProperty(d,"endTime",n({},h,{get:function(){return S},set:function(V){if(typeof V!="number")throw new TypeError("End time must be set to a number.");S=V,this.hasBeenReset=!0}})),Object.defineProperty(d,"text",n({},h,{get:function(){return _},set:function(V){_=""+V,this.hasBeenReset=!0}})),Object.defineProperty(d,"region",n({},h,{get:function(){return x},set:function(V){x=V,this.hasBeenReset=!0}})),Object.defineProperty(d,"vertical",n({},h,{get:function(){return R},set:function(V){const Ae=i(V);if(Ae===!1)throw new SyntaxError("An invalid or illegal string was specified.");R=Ae,this.hasBeenReset=!0}})),Object.defineProperty(d,"snapToLines",n({},h,{get:function(){return L},set:function(V){L=!!V,this.hasBeenReset=!0}})),Object.defineProperty(d,"line",n({},h,{get:function(){return B},set:function(V){if(typeof V!="number"&&V!=="auto")throw new SyntaxError("An invalid number or illegal string was specified.");B=V,this.hasBeenReset=!0}})),Object.defineProperty(d,"lineAlign",n({},h,{get:function(){return N},set:function(V){const Ae=s(V);if(!Ae)throw new SyntaxError("An invalid or illegal string was specified.");N=Ae,this.hasBeenReset=!0}})),Object.defineProperty(d,"position",n({},h,{get:function(){return te},set:function(V){if(V<0||V>100)throw new Error("Position must be between 0 and 100.");te=V,this.hasBeenReset=!0}})),Object.defineProperty(d,"positionAlign",n({},h,{get:function(){return U},set:function(V){const Ae=s(V);if(!Ae)throw new SyntaxError("An invalid or illegal string was specified.");U=Ae,this.hasBeenReset=!0}})),Object.defineProperty(d,"size",n({},h,{get:function(){return z},set:function(V){if(V<0||V>100)throw new Error("Size must be between 0 and 100.");z=V,this.hasBeenReset=!0}})),Object.defineProperty(d,"align",n({},h,{get:function(){return le},set:function(V){const Ae=s(V);if(!Ae)throw new SyntaxError("An invalid or illegal string was specified.");le=Ae,this.hasBeenReset=!0}})),d.displayState=void 0}return r.prototype.getCueAsHTML=function(){return self.WebVTT.convertCueToDOMTree(self,this.text)},r}();class oc{decode(e,t){if(!e)return"";if(typeof e!="string")throw new Error("Error - expected string data.");return decodeURIComponent(encodeURIComponent(e))}}function xo(a){function e(i,s,n,r){return(i|0)*3600+(s|0)*60+(n|0)+parseFloat(r||0)}const t=a.match(/^(?:(\d+):)?(\d{2}):(\d{2})(\.\d+)?/);return t?parseFloat(t[2])>59?e(t[2],t[3],0,t[4]):e(t[1],t[2],t[3],t[4]):null}class lc{constructor(){this.values=Object.create(null)}set(e,t){!this.get(e)&&t!==""&&(this.values[e]=t)}get(e,t,i){return i?this.has(e)?this.values[e]:t[i]:this.has(e)?this.values[e]:t}has(e){return e in this.values}alt(e,t,i){for(let s=0;s<i.length;++s)if(t===i[s]){this.set(e,t);break}}integer(e,t){/^-?\d+$/.test(t)&&this.set(e,parseInt(t,10))}percent(e,t){if(/^([\d]{1,3})(\.[\d]*)?%$/.test(t)){const i=parseFloat(t);if(i>=0&&i<=100)return this.set(e,i),!0}return!1}}function Ao(a,e,t,i){const s=i?a.split(i):[a];for(const n in s){if(typeof s[n]!="string")continue;const r=s[n].split(t);if(r.length!==2)continue;const o=r[0],u=r[1];e(o,u)}}const fa=new ha(0,0,""),Dr=fa.align==="middle"?"middle":"center";function uc(a,e,t){const i=a;function s(){const o=xo(a);if(o===null)throw new Error("Malformed timestamp: "+i);return a=a.replace(/^[^\sa-zA-Z-]+/,""),o}function n(o,u){const l=new lc;Ao(o,function(m,v){let E;switch(m){case"region":for(let S=t.length-1;S>=0;S--)if(t[S].id===v){l.set(m,t[S].region);break}break;case"vertical":l.alt(m,v,["rl","lr"]);break;case"line":E=v.split(","),l.integer(m,E[0]),l.percent(m,E[0])&&l.set("snapToLines",!1),l.alt(m,E[0],["auto"]),E.length===2&&l.alt("lineAlign",E[1],["start",Dr,"end"]);break;case"position":E=v.split(","),l.percent(m,E[0]),E.length===2&&l.alt("positionAlign",E[1],["start",Dr,"end","line-left","line-right","auto"]);break;case"size":l.percent(m,v);break;case"align":l.alt(m,v,["start",Dr,"end","left","right"]);break}},/:/,/\s/),u.region=l.get("region",null),u.vertical=l.get("vertical","");let d=l.get("line","auto");d==="auto"&&fa.line===-1&&(d=-1),u.line=d,u.lineAlign=l.get("lineAlign","start"),u.snapToLines=l.get("snapToLines",!0),u.size=l.get("size",100),u.align=l.get("align",Dr);let h=l.get("position","auto");h==="auto"&&fa.position===50&&(h=u.align==="start"||u.align==="left"?0:u.align==="end"||u.align==="right"?100:50),u.position=h}function r(){a=a.replace(/^\s+/,"")}if(r(),e.startTime=s(),r(),a.slice(0,3)!=="-->")throw new Error("Malformed time stamp (time stamps must be separated by '-->'): "+i);a=a.slice(3),r(),e.endTime=s(),r(),n(a,e)}function bo(a){return a.replace(/<br(?: \/)?>/gi,`
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`)}class cc{constructor(){this.state="INITIAL",this.buffer="",this.decoder=new oc,this.regionList=[],this.cue=null,this.oncue=void 0,this.onparsingerror=void 0,this.onflush=void 0}parse(e){const t=this;e&&(t.buffer+=t.decoder.decode(e,{stream:!0}));function i(){let n=t.buffer,r=0;for(n=bo(n);r<n.length&&n[r]!=="\r"&&n[r]!==`
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|
`;)++r;const o=n.slice(0,r);return n[r]==="\r"&&++r,n[r]===`
|
|
`&&++r,t.buffer=n.slice(r),o}function s(n){Ao(n,function(r,o){},/:/)}try{let n="";if(t.state==="INITIAL"){if(!/\r\n|\n/.test(t.buffer))return this;n=i();const o=n.match(/^()?WEBVTT([ \t].*)?$/);if(!(o!=null&&o[0]))throw new Error("Malformed WebVTT signature.");t.state="HEADER"}let r=!1;for(;t.buffer;){if(!/\r\n|\n/.test(t.buffer))return this;switch(r?r=!1:n=i(),t.state){case"HEADER":/:/.test(n)?s(n):n||(t.state="ID");continue;case"NOTE":n||(t.state="ID");continue;case"ID":if(/^NOTE($|[ \t])/.test(n)){t.state="NOTE";break}if(!n)continue;if(t.cue=new ha(0,0,""),t.state="CUE",n.indexOf("-->")===-1){t.cue.id=n;continue}case"CUE":if(!t.cue){t.state="BADCUE";continue}try{uc(n,t.cue,t.regionList)}catch(o){t.cue=null,t.state="BADCUE";continue}t.state="CUETEXT";continue;case"CUETEXT":{const o=n.indexOf("-->")!==-1;if(!n||o&&(r=!0)){t.oncue&&t.cue&&t.oncue(t.cue),t.cue=null,t.state="ID";continue}if(t.cue===null)continue;t.cue.text&&(t.cue.text+=`
|
|
`),t.cue.text+=n}continue;case"BADCUE":n||(t.state="ID")}}}catch(n){t.state==="CUETEXT"&&t.cue&&t.oncue&&t.oncue(t.cue),t.cue=null,t.state=t.state==="INITIAL"?"BADWEBVTT":"BADCUE"}return this}flush(){const e=this;try{if((e.cue||e.state==="HEADER")&&(e.buffer+=`
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|
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`),l=[],d=e?Nl(e.baseTime,e.timescale):0;let h="00:00.000",m=0,v=0,E,S=!0;o.oncue=function(_){const x=t[i];let R=t.ccOffset;const L=(m-d)/9e4;if(x!=null&&x.new&&(v!==void 0?R=t.ccOffset=x.start:fc(t,i,L)),L){if(!e){E=new Error("Missing initPTS for VTT MPEGTS");return}R=L-t.presentationOffset}const B=_.endTime-_.startTime,N=Ns((_.startTime+R-v)*9e4,s*9e4)/9e4;_.startTime=Math.max(N,0),_.endTime=Math.max(N+B,0);const te=_.text.trim();_.text=decodeURIComponent(encodeURIComponent(te)),_.id||(_.id=ga(_.startTime,_.endTime,te)),_.endTime>0&&l.push(_)},o.onparsingerror=function(_){E=_},o.onflush=function(){if(E){r(E);return}n(l)},u.forEach(_=>{if(S)if(ma(_,"X-TIMESTAMP-MAP=")){S=!1,_.slice(16).split(",").forEach(x=>{ma(x,"LOCAL:")?h=x.slice(6):ma(x,"MPEGTS:")&&(m=parseInt(x.slice(7)))});try{v=hc(h)/1e3}catch(x){E=x}return}else _===""&&(S=!1);o.parse(_+`
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`)}),o.flush()}const pa="stpp.ttml.im1t",Lo=/^(\d{2,}):(\d{2}):(\d{2}):(\d{2})\.?(\d+)?$/,Ro=/^(\d*(?:\.\d*)?)(h|m|s|ms|f|t)$/,gc={left:"start",center:"center",right:"end",start:"start",end:"end"};function Io(a,e,t,i){const s=M(new Uint8Array(a),["mdat"]);if(s.length===0){i(new Error("Could not parse IMSC1 mdat"));return}const n=s.map(o=>xt(o)),r=Bl(e.baseTime,1,e.timescale);try{n.forEach(o=>t(pc(o,r)))}catch(o){i(o)}}function pc(a,e){const s=new DOMParser().parseFromString(a,"text/xml").getElementsByTagName("tt")[0];if(!s)throw new Error("Invalid ttml");const n={frameRate:30,subFrameRate:1,frameRateMultiplier:0,tickRate:0},r=Object.keys(n).reduce((h,m)=>(h[m]=s.getAttribute(`ttp:${m}`)||n[m],h),{}),o=s.getAttribute("xml:space")!=="preserve",u=Co(va(s,"styling","style")),l=Co(va(s,"layout","region")),d=va(s,"body","[begin]");return[].map.call(d,h=>{const m=Do(h,o);if(!m||!h.hasAttribute("begin"))return null;const v=ya(h.getAttribute("begin"),r),E=ya(h.getAttribute("dur"),r);let S=ya(h.getAttribute("end"),r);if(v===null)throw wo(h);if(S===null){if(E===null)throw wo(h);S=v+E}const _=new ha(v-e,S-e,m);_.id=ga(_.startTime,_.endTime,_.text);const x=l[h.getAttribute("region")],R=u[h.getAttribute("style")],L=vc(x,R,u),{textAlign:B}=L;if(B){const N=gc[B];N&&(_.lineAlign=N),_.align=B}return Le(_,L),_}).filter(h=>h!==null)}function va(a,e,t){const i=a.getElementsByTagName(e)[0];return i?[].slice.call(i.querySelectorAll(t)):[]}function Co(a){return a.reduce((e,t)=>{const i=t.getAttribute("xml:id");return i&&(e[i]=t),e},{})}function Do(a,e){return[].slice.call(a.childNodes).reduce((t,i,s)=>{var n;return i.nodeName==="br"&&s?t+`
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i/e.frameRate;case"t":return i/e.tickRate}return i}class wr{constructor(e,t){this.timelineController=void 0,this.cueRanges=[],this.trackName=void 0,this.startTime=null,this.endTime=null,this.screen=null,this.timelineController=e,this.trackName=t}dispatchCue(){this.startTime!==null&&(this.timelineController.addCues(this.trackName,this.startTime,this.endTime,this.screen,this.cueRanges),this.startTime=null)}newCue(e,t,i){(this.startTime===null||this.startTime>e)&&(this.startTime=e),this.endTime=t,this.screen=i,this.timelineController.createCaptionsTrack(this.trackName)}reset(){this.cueRanges=[],this.startTime=null}}class _c{constructor(e){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.unparsedVttFrags=[],this.captionsTracks={},this.nonNativeCaptionsTracks={},this.cea608Parser1=void 0,this.cea608Parser2=void 0,this.lastCc=-1,this.lastSn=-1,this.lastPartIndex=-1,this.prevCC=-1,this.vttCCs=Oo(),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}},e.on(g.MEDIA_ATTACHING,this.onMediaAttaching,this),e.on(g.MEDIA_DETACHING,this.onMediaDetaching,this),e.on(g.MANIFEST_LOADING,this.onManifestLoading,this),e.on(g.MANIFEST_LOADED,this.onManifestLoaded,this),e.on(g.SUBTITLE_TRACKS_UPDATED,this.onSubtitleTracksUpdated,this),e.on(g.FRAG_LOADING,this.onFragLoading,this),e.on(g.FRAG_LOADED,this.onFragLoaded,this),e.on(g.FRAG_PARSING_USERDATA,this.onFragParsingUserdata,this),e.on(g.FRAG_DECRYPTED,this.onFragDecrypted,this),e.on(g.INIT_PTS_FOUND,this.onInitPtsFound,this),e.on(g.SUBTITLE_TRACKS_CLEARED,this.onSubtitleTracksCleared,this),e.on(g.BUFFER_FLUSHING,this.onBufferFlushing,this)}destroy(){const{hls:e}=this;e.off(g.MEDIA_ATTACHING,this.onMediaAttaching,this),e.off(g.MEDIA_DETACHING,this.onMediaDetaching,this),e.off(g.MANIFEST_LOADING,this.onManifestLoading,this),e.off(g.MANIFEST_LOADED,this.onManifestLoaded,this),e.off(g.SUBTITLE_TRACKS_UPDATED,this.onSubtitleTracksUpdated,this),e.off(g.FRAG_LOADING,this.onFragLoading,this),e.off(g.FRAG_LOADED,this.onFragLoaded,this),e.off(g.FRAG_PARSING_USERDATA,this.onFragParsingUserdata,this),e.off(g.FRAG_DECRYPTED,this.onFragDecrypted,this),e.off(g.INIT_PTS_FOUND,this.onInitPtsFound,this),e.off(g.SUBTITLE_TRACKS_CLEARED,this.onSubtitleTracksCleared,this),e.off(g.BUFFER_FLUSHING,this.onBufferFlushing,this),this.hls=this.config=this.media=null,this.cea608Parser1=this.cea608Parser2=void 0}initCea608Parsers(){const e=new wr(this,"textTrack1"),t=new wr(this,"textTrack2"),i=new wr(this,"textTrack3"),s=new wr(this,"textTrack4");this.cea608Parser1=new To(1,e,t),this.cea608Parser2=new To(3,i,s)}addCues(e,t,i,s,n){let r=!1;for(let o=n.length;o--;){const u=n[o],l=Sc(u[0],u[1],t,i);if(l>=0&&(u[0]=Math.min(u[0],t),u[1]=Math.max(u[1],i),r=!0,l/(i-t)>.5))return}if(r||n.push([t,i]),this.config.renderTextTracksNatively){const o=this.captionsTracks[e];this.Cues.newCue(o,t,i,s)}else{const o=this.Cues.newCue(null,t,i,s);this.hls.trigger(g.CUES_PARSED,{type:"captions",cues:o,track:e})}}onInitPtsFound(e,{frag:t,id:i,initPTS:s,timescale:n}){const{unparsedVttFrags:r}=this;i===oe.MAIN&&(this.initPTS[t.cc]={baseTime:s,timescale:n}),r.length&&(this.unparsedVttFrags=[],r.forEach(o=>{this.onFragLoaded(g.FRAG_LOADED,o)}))}getExistingTrack(e,t){const{media:i}=this;if(i)for(let s=0;s<i.textTracks.length;s++){const n=i.textTracks[s];if(Po(n,{name:e,lang:t,characteristics:"transcribes-spoken-dialog,describes-music-and-sound"}))return n}return null}createCaptionsTrack(e){this.config.renderTextTracksNatively?this.createNativeTrack(e):this.createNonNativeTrack(e)}createNativeTrack(e){if(this.captionsTracks[e])return;const{captionsProperties:t,captionsTracks:i,media:s}=this,{label:n,languageCode:r}=t[e],o=this.getExistingTrack(n,r);if(o)i[e]=o,Bn(i[e]),fo(i[e],s);else{const u=this.createTextTrack("captions",n,r);u&&(u[e]=!0,i[e]=u)}}createNonNativeTrack(e){if(this.nonNativeCaptionsTracks[e])return;const t=this.captionsProperties[e];if(!t)return;const i=t.label,s={_id:e,label:i,kind:"captions",default:t.media?!!t.media.default:!1,closedCaptions:t.media};this.nonNativeCaptionsTracks[e]=s,this.hls.trigger(g.NON_NATIVE_TEXT_TRACKS_FOUND,{tracks:[s]})}createTextTrack(e,t,i){const s=this.media;if(s)return s.addTextTrack(e,t,i)}onMediaAttaching(e,t){this.media=t.media,t.mediaSource||this._cleanTracks()}onMediaDetaching(e,t){const i=!!t.transferMedia;if(this.media=null,i)return;const{captionsTracks:s}=this;Object.keys(s).forEach(n=>{Bn(s[n]),delete s[n]}),this.nonNativeCaptionsTracks={}}onManifestLoading(){this.lastCc=-1,this.lastSn=-1,this.lastPartIndex=-1,this.prevCC=-1,this.vttCCs=Oo(),this._cleanTracks(),this.tracks=[],this.captionsTracks={},this.nonNativeCaptionsTracks={},this.textTracks=[],this.unparsedVttFrags=[],this.initPTS=[],this.cea608Parser1&&this.cea608Parser2&&(this.cea608Parser1.reset(),this.cea608Parser2.reset())}_cleanTracks(){const{media:e}=this;if(!e)return;const t=e.textTracks;if(t)for(let i=0;i<t.length;i++)Bn(t[i])}onSubtitleTracksUpdated(e,t){const i=t.subtitleTracks||[],s=i.some(n=>n.textCodec===pa);if(this.config.enableWebVTT||s&&this.config.enableIMSC1){if(Ja(this.tracks,i)){this.tracks=i;return}if(this.textTracks=[],this.tracks=i,this.config.renderTextTracksNatively){const r=this.media,o=r?Rr(r.textTracks):null;if(this.tracks.forEach((u,l)=>{let d;if(o){let h=null;for(let m=0;m<o.length;m++)if(o[m]&&Po(o[m],u)){h=o[m],o[m]=null;break}h&&(d=h)}if(d)Bn(d);else{const h=ko(u);d=this.createTextTrack(h,u.name,u.lang),d&&(d.mode="disabled")}d&&this.textTracks.push(d)}),o!=null&&o.length){const u=o.filter(l=>l!==null).map(l=>l.label);u.length&&this.hls.logger.warn(`Media element contains unused subtitle tracks: ${u.join(", ")}. Replace media element for each source to clear TextTracks and captions menu.`)}}else if(this.tracks.length){const r=this.tracks.map(o=>({label:o.name,kind:o.type.toLowerCase(),default:o.default,subtitleTrack:o}));this.hls.trigger(g.NON_NATIVE_TEXT_TRACKS_FOUND,{tracks:r})}}}onManifestLoaded(e,t){this.config.enableCEA708Captions&&t.captions&&t.captions.forEach(i=>{const s=/(?:CC|SERVICE)([1-4])/.exec(i.instreamId);if(!s)return;const n=`textTrack${s[1]}`,r=this.captionsProperties[n];r&&(r.label=i.name,i.lang&&(r.languageCode=i.lang),r.media=i)})}closedCaptionsForLevel(e){const t=this.hls.levels[e.level];return t==null?void 0:t.attrs["CLOSED-CAPTIONS"]}onFragLoading(e,t){if(this.enabled&&t.frag.type===oe.MAIN){var i,s;const{cea608Parser1:n,cea608Parser2:r,lastSn:o}=this,{cc:u,sn:l}=t.frag,d=(i=(s=t.part)==null?void 0:s.index)!=null?i:-1;n&&r&&(l!==o+1||l===o&&d!==this.lastPartIndex+1||u!==this.lastCc)&&(n.reset(),r.reset()),this.lastCc=u,this.lastSn=l,this.lastPartIndex=d}}onFragLoaded(e,t){const{frag:i,payload:s}=t;if(i.type===oe.SUBTITLE)if(s.byteLength){const n=i.decryptdata,r="stats"in t;if(n==null||!n.encrypted||r){const o=this.tracks[i.level],u=this.vttCCs;u[i.cc]||(u[i.cc]={start:i.start,prevCC:this.prevCC,new:!0},this.prevCC=i.cc),o&&o.textCodec===pa?this._parseIMSC1(i,s):this._parseVTTs(t)}}else this.hls.trigger(g.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:i,error:new Error("Empty subtitle payload")})}_parseIMSC1(e,t){const i=this.hls;Io(t,this.initPTS[e.cc],s=>{this._appendCues(s,e.level),i.trigger(g.SUBTITLE_FRAG_PROCESSED,{success:!0,frag:e})},s=>{i.logger.log(`Failed to parse IMSC1: ${s}`),i.trigger(g.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:e,error:s})})}_parseVTTs(e){var t;const{frag:i,payload:s}=e,{initPTS:n,unparsedVttFrags:r}=this,o=n.length-1;if(!n[i.cc]&&o===-1){r.push(e);return}const u=this.hls,l=(t=i.initSegment)!=null&&t.data?Dt(i.initSegment.data,new Uint8Array(s)).buffer:s;mc(l,this.initPTS[i.cc],this.vttCCs,i.cc,i.start,d=>{this._appendCues(d,i.level),u.trigger(g.SUBTITLE_FRAG_PROCESSED,{success:!0,frag:i})},d=>{const h=d.message==="Missing initPTS for VTT MPEGTS";h?r.push(e):this._fallbackToIMSC1(i,s),u.logger.log(`Failed to parse VTT cue: ${d}`),!(h&&o>i.cc)&&u.trigger(g.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:i,error:d})})}_fallbackToIMSC1(e,t){const i=this.tracks[e.level];i.textCodec||Io(t,this.initPTS[e.cc],()=>{i.textCodec=pa,this._parseIMSC1(e,t)},()=>{i.textCodec="wvtt"})}_appendCues(e,t){const i=this.hls;if(this.config.renderTextTracksNatively){const s=this.textTracks[t];if(!s||s.mode==="disabled")return;e.forEach(n=>mo(s,n))}else{const s=this.tracks[t];if(!s)return;const n=s.default?"default":"subtitles"+t;i.trigger(g.CUES_PARSED,{type:"subtitles",cues:e,track:n})}}onFragDecrypted(e,t){const{frag:i}=t;i.type===oe.SUBTITLE&&this.onFragLoaded(g.FRAG_LOADED,t)}onSubtitleTracksCleared(){this.tracks=[],this.captionsTracks={}}onFragParsingUserdata(e,t){if(!this.enabled||!this.config.enableCEA708Captions)return;const{frag:i,samples:s}=t;if(!(i.type===oe.MAIN&&this.closedCaptionsForLevel(i)==="NONE"))for(let n=0;n<s.length;n++){const r=s[n].bytes;if(r){this.cea608Parser1||this.initCea608Parsers();const o=this.extractCea608Data(r);this.cea608Parser1.addData(s[n].pts,o[0]),this.cea608Parser2.addData(s[n].pts,o[1])}}}onBufferFlushing(e,{startOffset:t,endOffset:i,endOffsetSubtitles:s,type:n}){const{media:r}=this;if(!(!r||r.currentTime<i)){if(!n||n==="video"){const{captionsTracks:o}=this;Object.keys(o).forEach(u=>la(o[u],t,i))}if(this.config.renderTextTracksNatively&&t===0&&s!==void 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Mo{constructor(e){this.xhrSetup=void 0,this.requestTimeout=void 0,this.retryTimeout=void 0,this.retryDelay=void 0,this.config=null,this.callbacks=null,this.context=null,this.loader=null,this.stats=void 0,this.xhrSetup=e&&e.xhrSetup||null,this.stats=new fe,this.retryDelay=0}destroy(){this.callbacks=null,this.abortInternal(),this.loader=null,this.config=null,this.context=null,this.xhrSetup=null}abortInternal(){const e=this.loader;self.clearTimeout(this.requestTimeout),self.clearTimeout(this.retryTimeout),e&&(e.onreadystatechange=null,e.onprogress=null,e.readyState!==4&&(this.stats.aborted=!0,e.abort()))}abort(){var e;this.abortInternal(),(e=this.callbacks)!=null&&e.onAbort&&this.callbacks.onAbort(this.stats,this.context,this.loader)}load(e,t,i){if(this.stats.loading.start)throw new Error("Loader can only be used 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l=t.status,d=t.responseType==="text"?t.responseText:null;if(l>=200&&l<300){const E=d!=null?d:t.response;if(E!=null){var r,o;i.loading.end=Math.max(self.performance.now(),i.loading.first);const S=t.responseType==="arraybuffer"?E.byteLength:E.length;i.loaded=i.total=S,i.bwEstimate=i.total*8e3/(i.loading.end-i.loading.first);const _=(r=this.callbacks)==null?void 0:r.onProgress;_&&_(i,e,E,t);const x={url:t.responseURL,data:E,code:l};(o=this.callbacks)==null||o.onSuccess(x,i,e,t);return}}const h=n.loadPolicy.errorRetry,m=i.retry,v={url:e.url,data:void 0,code:l};if(Xt(h,m,!1,v))this.retry(h);else{var u;Y.error(`${l} while loading ${e.url}`),(u=this.callbacks)==null||u.onError({code:l,text:t.statusText},e,t,i)}}}loadtimeout(){if(!this.config)return;const e=this.config.loadPolicy.timeoutRetry,t=this.stats.retry;if(Xt(e,t,!0))this.retry(e);else{var i;Y.warn(`timeout while loading ${(i=this.context)==null?void 0:i.url}`);const s=this.callbacks;s&&(this.abortInternal(),s.onTimeout(this.stats,this.context,this.loader))}}retry(e){const{context:t,stats:i}=this;this.retryDelay=$t(e,i.retry),i.retry++,Y.warn(`${status?"HTTP Status "+status:"Timeout"} while loading ${t==null?void 0:t.url}, retrying ${i.retry}/${e.maxNumRetry} in ${this.retryDelay}ms`),this.abortInternal(),this.loader=null,self.clearTimeout(this.retryTimeout),this.retryTimeout=self.setTimeout(this.loadInternal.bind(this),this.retryDelay)}loadprogress(e){const t=this.stats;t.loaded=e.loaded,e.lengthComputable&&(t.total=e.total)}getCacheAge(){let e=null;if(this.loader&&wc.test(this.loader.getAllResponseHeaders())){const t=this.loader.getResponseHeader("age");e=t?parseFloat(t):null}return e}getResponseHeader(e){return this.loader&&new RegExp(`^${e}:\\s*[\\d.]+\\s*$`,"im").test(this.loader.getAllResponseHeaders())?this.loader.getResponseHeader(e):null}}const kc={maxTimeToFirstByteMs:8e3,maxLoadTimeMs:2e4,timeoutRetry:null,errorRetry:null},Pc=j(j({autoStartLoad:!0,startPosition:-1,defaultAudioCodec:void 0,debug:!1,capLevelOnFPSDrop:!1,capLevelToPlayerSize:!1,ignoreDevicePixelRatio:!1,maxDevicePixelRatio:Number.POSITIVE_INFINITY,preferManagedMediaSource:!0,initialLiveManifestSize:1,maxBufferLength:30,backBufferLength:1/0,frontBufferFlushThreshold:1/0,maxBufferSize:60*1e3*1e3,maxFragLookUpTolerance:.25,maxBufferHole:.1,detectStallWithCurrentTimeMs:1250,highBufferWatchdogPeriod:2,nudgeOffset:.1,nudgeMaxRetry:3,nudgeOnVideoHole:!0,liveSyncDurationCount:3,liveSyncOnStallIncrease:1,liveMaxLatencyDurationCount:1/0,liveSyncDuration:void 0,liveMaxLatencyDuration:void 0,maxLiveSyncPlaybackRate:1,liveDurationInfinity:!1,liveBackBufferLength:null,maxMaxBufferLength:600,enableWorker:!0,workerPath:null,enableSoftwareAES:!0,startLevel:void 0,startFragPrefetch:!1,fpsDroppedMonitoringPeriod:5e3,fpsDroppedMonitoringThreshold:.2,appendErrorMaxRetry:3,ignorePlaylistParsingErrors:!1,loader:Mo,fLoader:void 0,pLoader:void 0,xhrSetup:void 0,licenseXhrSetup:void 0,licenseResponseCallback:void 0,abrController:tt,bufferController:Jl,capLevelController:na,errorController:es,fpsController:Bu,stretchShortVideoTrack:!1,maxAudioFramesDrift:1,forceKeyFrameOnDiscontinuity:!0,abrEwmaFastLive:3,abrEwmaSlowLive:9,abrEwmaFastVoD:3,abrEwmaSlowVoD:9,abrEwmaDefaultEstimate:5e5,abrEwmaDefaultEstimateMax:5e6,abrBandWidthFactor:.95,abrBandWidthUpFactor:.7,abrMaxWithRealBitrate:!1,maxStarvationDelay:4,maxLoadingDelay:4,minAutoBitrate:0,emeEnabled:!1,widevineLicenseUrl:void 0,drmSystems:{},drmSystemOptions:{},requestMediaKeySystemAccessFunc:Rt,testBandwidth:!0,progressive:!1,lowLatencyMode:!0,cmcd:void 0,enableDateRangeMetadataCues:!0,enableEmsgMetadataCues:!0,enableEmsgKLVMetadata:!1,enableID3MetadataCues:!0,enableInterstitialPlayback:!0,interstitialAppendInPlace:!0,interstitialLiveLookAhead:10,useMediaCapabilities:!0,certLoadPolicy:{default:kc},keyLoadPolicy:{default:{maxTimeToFirstByteMs:8e3,maxLoadTimeMs:2e4,timeoutRetry:{maxNumRetry:1,retryDelayMs:1e3,maxRetryDelayMs:2e4,backoff:"linear"},errorRetry:{maxNumRetry:8,retryDelayMs:1e3,maxRetryDelayMs:2e4,backoff:"linear"}}},manifestLoadPolicy:{default:{maxTimeToFirstByteMs:1/0,maxLoadTimeMs:2e4,timeoutRetry:{maxNumRetry:2,retryDelayMs:0,maxRetryDelayMs:0},errorRetry:{maxNumRetry:1,retryDelayMs:1e3,maxRetryDelayMs:8e3}}},playlistLoadPolicy:{default:{maxTimeToFirstByteMs:1e4,maxLoadTimeMs:2e4,timeoutRetry:{maxNumRetry:2,retryDelayMs:0,maxRetryDelayMs:0},errorRetry:{maxNumRetry:2,retryDelayMs:1e3,maxRetryDelayMs:8e3}}},fragLoadPolicy:{default:{maxTimeToFirstByteMs:1e4,maxLoadTimeMs:12e4,timeoutRetry:{maxNumRetry:4,retryDelayMs:0,maxRetryDelayMs:0},errorRetry:{maxNumRetry:6,retryDelayMs:1e3,maxRetryDelayMs:8e3}}},steeringManifestLoadPolicy:{default:{maxTimeToFirstByteMs:1e4,maxLoadTimeMs:2e4,timeoutRetry:{maxNumRetry:2,retryDelayMs:0,maxRetryDelayMs:0},errorRetry:{maxNumRetry:1,retryDelayMs:1e3,maxRetryDelayMs:8e3}}},interstitialAssetListLoadPolicy:{default:{maxTimeToFirstByteMs:1e4,maxLoadTimeMs:3e4,timeoutRetry:{maxNumRetry:0,retryDelayMs:0,maxRetryDelayMs:0},errorRetry:{maxNumRetry:0,retryDelayMs:1e3,maxRetryDelayMs:8e3}}},manifestLoadingTimeOut:1e4,manifestLoadingMaxRetry:1,manifestLoadingRetryDelay:1e3,manifestLoadingMaxRetryTimeout:64e3,levelLoadingTimeOut:1e4,levelLoadingMaxRetry:4,levelLoadingRetryDelay:1e3,levelLoadingMaxRetryTimeout:64e3,fragLoadingTimeOut:2e4,fragLoadingMaxRetry:6,fragLoadingRetryDelay:1e3,fragLoadingMaxRetryTimeout:64e3},Oc()),{},{subtitleStreamController:Yu,subtitleTrackController:$u,timelineController:_c,audioStreamController:Zl,audioTrackController:ql,emeController:Mn,cmcdController:Ou,contentSteeringController:Mu,interstitialsController:zu});function Oc(){return{cueHandler:xc,enableWebVTT:!0,enableIMSC1:!0,enableCEA708Captions:!0,captionsTextTrack1Label:"English",captionsTextTrack1LanguageCode:"en",captionsTextTrack2Label:"Spanish",captionsTextTrack2LanguageCode:"es",captionsTextTrack3Label:"Unknown CC",captionsTextTrack3LanguageCode:"",captionsTextTrack4Label:"Unknown CC",captionsTextTrack4LanguageCode:"",renderTextTracksNatively:!0}}function Fc(a,e,t){if((e.liveSyncDurationCount||e.liveMaxLatencyDurationCount)&&(e.liveSyncDuration||e.liveMaxLatencyDuration))throw new Error("Illegal hls.js config: don't mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration");if(e.liveMaxLatencyDurationCount!==void 0&&(e.liveSyncDurationCount===void 0||e.liveMaxLatencyDurationCount<=e.liveSyncDurationCount))throw new Error('Illegal hls.js config: "liveMaxLatencyDurationCount" must be greater than "liveSyncDurationCount"');if(e.liveMaxLatencyDuration!==void 0&&(e.liveSyncDuration===void 0||e.liveMaxLatencyDuration<=e.liveSyncDuration))throw new Error('Illegal hls.js config: "liveMaxLatencyDuration" must be greater than "liveSyncDuration"');const i=_a(a),s=["manifest","level","frag"],n=["TimeOut","MaxRetry","RetryDelay","MaxRetryTimeout"];return s.forEach(r=>{const o=`${r==="level"?"playlist":r}LoadPolicy`,u=e[o]===void 0,l=[];n.forEach(d=>{const h=`${r}Loading${d}`,m=e[h];if(m!==void 0&&u){l.push(h);const v=i[o].default;switch(e[o]={default:v},d){case"TimeOut":v.maxLoadTimeMs=m,v.maxTimeToFirstByteMs=m;break;case"MaxRetry":v.errorRetry.maxNumRetry=m,v.timeoutRetry.maxNumRetry=m;break;case"RetryDelay":v.errorRetry.retryDelayMs=m,v.timeoutRetry.retryDelayMs=m;break;case"MaxRetryTimeout":v.errorRetry.maxRetryDelayMs=m,v.timeoutRetry.maxRetryDelayMs=m;break}}}),l.length&&t.warn(`hls.js config: "${l.join('", "')}" setting(s) are deprecated, use "${o}": ${Et(e[o])}`)}),j(j({},i),e)}function _a(a){return a&&typeof a=="object"?Array.isArray(a)?a.map(_a):Object.keys(a).reduce((e,t)=>(e[t]=_a(a[t]),e),{}):a}function Mc(a,e){const t=a.loader;t!==Fo&&t!==Mo?(e.log("[config]: Custom loader detected, cannot enable progressive streaming"),a.progressive=!1):Ac()&&(a.loader=Fo,a.progressive=!0,a.enableSoftwareAES=!0,e.log("[config]: Progressive streaming enabled, using FetchLoader"))}const kr=2,Bc=.1,Nc=.05,Uc=100;class $c extends ds{constructor(e,t){super("gap-controller",e.logger),this.hls=null,this.fragmentTracker=null,this.media=null,this.mediaSource=void 0,this.nudgeRetry=0,this.stallReported=!1,this.stalled=null,this.moved=!1,this.seeking=!1,this.buffered={},this.lastCurrentTime=0,this.ended=0,this.waiting=0,this.onMediaPlaying=()=>{this.ended=0,this.waiting=0},this.onMediaWaiting=()=>{var i;(i=this.media)!=null&&i.seeking||(this.waiting=self.performance.now(),this.tick())},this.onMediaEnded=()=>{if(this.hls){var i;this.ended=((i=this.media)==null?void 0:i.currentTime)||1,this.hls.trigger(g.MEDIA_ENDED,{stalled:!1})}},this.hls=e,this.fragmentTracker=t,this.registerListeners()}registerListeners(){const{hls:e}=this;e&&(e.on(g.MEDIA_ATTACHED,this.onMediaAttached,this),e.on(g.MEDIA_DETACHING,this.onMediaDetaching,this),e.on(g.BUFFER_APPENDED,this.onBufferAppended,this))}unregisterListeners(){const{hls:e}=this;e&&(e.off(g.MEDIA_ATTACHED,this.onMediaAttached,this),e.off(g.MEDIA_DETACHING,this.onMediaDetaching,this),e.off(g.BUFFER_APPENDED,this.onBufferAppended,this))}destroy(){super.destroy(),this.unregisterListeners(),this.media=this.hls=this.fragmentTracker=null,this.mediaSource=void 0}onMediaAttached(e,t){this.setInterval(Uc),this.mediaSource=t.mediaSource;const i=this.media=t.media;cn(i,"playing",this.onMediaPlaying),cn(i,"waiting",this.onMediaWaiting),cn(i,"ended",this.onMediaEnded)}onMediaDetaching(e,t){this.clearInterval();const{media:i}=this;i&&(rn(i,"playing",this.onMediaPlaying),rn(i,"waiting",this.onMediaWaiting),rn(i,"ended",this.onMediaEnded),this.media=null),this.mediaSource=void 0}onBufferAppended(e,t){this.buffered=t.timeRanges}get hasBuffered(){return Object.keys(this.buffered).length>0}tick(){var e;if(!((e=this.media)!=null&&e.readyState)||!this.hasBuffered)return;const t=this.media.currentTime;this.poll(t,this.lastCurrentTime),this.lastCurrentTime=t}poll(e,t){var i,s;const n=(i=this.hls)==null?void 0:i.config;if(!n)return;const{media:r,stalled:o}=this;if(!r)return;const{seeking:u}=r,l=this.seeking&&!u,d=!this.seeking&&u,h=r.paused&&!u||r.ended||r.playbackRate===0;if(this.seeking=u,e!==t){t&&(this.ended=0),this.moved=!0,u||(this.nudgeRetry=0,n.nudgeOnVideoHole&&!h&&e>t&&this.nudgeOnVideoHole(e,t)),this.waiting===0&&this.stallResolved(e);return}if(d||l){l&&this.stallResolved(e);return}if(h){this.nudgeRetry=0,this.stallResolved(e),!this.ended&&r.ended&&this.hls&&(this.ended=e||1,this.hls.trigger(g.MEDIA_ENDED,{stalled:!1}));return}if(!bt.getBuffered(r).length){this.nudgeRetry=0;return}const m=bt.bufferInfo(r,e,0),v=m.nextStart||0,E=this.fragmentTracker;if(u&&E&&this.hls){const te=Bo(this.hls.inFlightFragments,e),U=m.len>kr,z=!v||te||v-e>kr&&!E.getPartialFragment(e);if(U||z)return;this.moved=!1}const S=(s=this.hls)==null?void 0:s.latestLevelDetails;if(!this.moved&&this.stalled!==null&&E){if(!(m.len>0)&&!v)return;const U=Math.max(v,m.start||0)-e,le=!!(S!=null&&S.live)?S.targetduration*2:kr,V=E.getPartialFragment(e);if(U>0&&(U<=le||V)){r.paused||this._trySkipBufferHole(V);return}}const _=n.detectStallWithCurrentTimeMs,x=self.performance.now(),R=this.waiting;if(o===null){R>0&&x-R<_?this.stalled=R:this.stalled=x;return}const L=x-o;if(!u&&(L>=_||R)&&this.hls){var B;if(((B=this.mediaSource)==null?void 0:B.readyState)==="ended"&&!(S!=null&&S.live)&&Math.abs(e-((S==null?void 0:S.edge)||0))<1){if(this.ended)return;this.ended=e||1,this.hls.trigger(g.MEDIA_ENDED,{stalled:!0});return}if(this._reportStall(m),!this.media||!this.hls)return}const N=bt.bufferInfo(r,e,n.maxBufferHole);this._tryFixBufferStall(N,L)}stallResolved(e){const t=this.stalled;if(t&&this.hls&&(this.stalled=null,this.stallReported)){const i=self.performance.now()-t;this.log(`playback not stuck anymore @${e}, after ${Math.round(i)}ms`),this.stallReported=!1,this.waiting=0,this.hls.trigger(g.STALL_RESOLVED,{})}}nudgeOnVideoHole(e,t){var i;const s=this.buffered.video;if(this.hls&&this.media&&this.fragmentTracker&&(i=this.buffered.audio)!=null&&i.length&&s&&s.length>1&&e>s.end(0)){const n=bt.bufferedInfo(bt.timeRangesToArray(this.buffered.audio),e,0);if(n.len>1&&t>=n.start){const r=bt.timeRangesToArray(s),o=bt.bufferedInfo(r,t,0).bufferedIndex;if(o>-1&&o<r.length-1){const u=bt.bufferedInfo(r,e,0).bufferedIndex,l=r[o].end,d=r[o+1].start;if((u===-1||u>o)&&d-l<1&&e-l<2){const h=new Error(`nudging playhead to flush pipeline after video hole. currentTime: ${e} hole: ${l} -> ${d} buffered index: ${u}`);this.warn(h.message),this.media.currentTime+=1e-6;const m=this.fragmentTracker.getPartialFragment(e)||void 0,v=bt.bufferInfo(this.media,e,0);this.hls.trigger(g.ERROR,{type:Z.MEDIA_ERROR,details:A.BUFFER_SEEK_OVER_HOLE,fatal:!1,error:h,reason:h.message,frag:m,buffer:v.len,bufferInfo:v})}}}}}_tryFixBufferStall(e,t){var i,s;const{fragmentTracker:n,media:r}=this,o=(i=this.hls)==null?void 0:i.config;if(!r||!n||!o)return;const u=r.currentTime,l=(s=this.hls)==null?void 0:s.latestLevelDetails,d=n.getPartialFragment(u);if((d||l!=null&&l.live&&u<l.fragmentStart)&&(this._trySkipBufferHole(d)||!this.media))return;const h=e.buffered;(h&&h.length>1&&e.len>o.maxBufferHole||e.nextStart&&e.nextStart-u<o.maxBufferHole)&&(t>o.highBufferWatchdogPeriod*1e3||this.waiting)&&(this.warn("Trying to nudge playhead over buffer-hole"),this._tryNudgeBuffer(e))}_reportStall(e){const{hls:t,media:i,stallReported:s,stalled:n}=this;if(!s&&n!==null&&i&&t){this.stallReported=!0;const r=new Error(`Playback stalling at @${i.currentTime} due to low buffer (${Et(e)})`);this.warn(r.message),t.trigger(g.ERROR,{type:Z.MEDIA_ERROR,details:A.BUFFER_STALLED_ERROR,fatal:!1,error:r,buffer:e.len,bufferInfo:e,stalled:{start:n}})}}_trySkipBufferHole(e){var t;const{fragmentTracker:i,media:s}=this,n=(t=this.hls)==null?void 0:t.config;if(!s||!i||!n)return 0;const r=s.currentTime,o=bt.bufferInfo(s,r,0),u=r<o.start?o.start:o.nextStart;if(u&&this.hls){const d=o.len<=n.maxBufferHole,h=o.len>0&&o.len<1&&s.readyState<3,m=u-r;if(m>0&&(d||h)){if(m>n.maxBufferHole){let E=!1;if(r===0){const S=i.getAppendedFrag(0,oe.MAIN);S&&u<S.end&&(E=!0)}if(!E){const S=e||i.getAppendedFrag(r,oe.MAIN);if(S){var l;if(!((l=this.hls.loadLevelObj)!=null&&l.details)||Bo(this.hls.inFlightFragments,u))return 0;let x=!1,R=S.end;for(;R<u;){const L=i.getPartialFragment(R);if(L)R+=L.duration;else{x=!0;break}}if(x)return 0}}}const v=Math.max(u+Nc,r+Bc);if(this.warn(`skipping hole, adjusting currentTime from ${r} to ${v}`),this.moved=!0,s.currentTime=v,!(e!=null&&e.gap)){const E=new Error(`fragment loaded with buffer holes, seeking from ${r} to ${v}`);this.hls.trigger(g.ERROR,{type:Z.MEDIA_ERROR,details:A.BUFFER_SEEK_OVER_HOLE,fatal:!1,error:E,reason:E.message,frag:e||void 0,buffer:o.len,bufferInfo:o})}return v}}return 0}_tryNudgeBuffer(e){const{hls:t,media:i,nudgeRetry:s}=this,n=t==null?void 0:t.config;if(!i||!n)return 0;const r=i.currentTime;if(this.nudgeRetry++,s<n.nudgeMaxRetry){const o=r+(s+1)*n.nudgeOffset,u=new Error(`Nudging 'currentTime' from ${r} to ${o}`);this.warn(u.message),i.currentTime=o,t.trigger(g.ERROR,{type:Z.MEDIA_ERROR,details:A.BUFFER_NUDGE_ON_STALL,error:u,fatal:!1,buffer:e.len,bufferInfo:e})}else{const o=new Error(`Playhead still not moving while enough data buffered @${r} after ${n.nudgeMaxRetry} nudges`);this.error(o.message),t.trigger(g.ERROR,{type:Z.MEDIA_ERROR,details:A.BUFFER_STALLED_ERROR,error:o,fatal:!0,buffer:e.len,bufferInfo:e})}}}function Bo(a,e){const t=No(a.main);if(t&&t.start<=e)return t;const i=No(a.audio);return i&&i.start<=e?i:null}function No(a){if(!a)return null;switch(a.state){case re.IDLE:case re.STOPPED:case re.ENDED:case re.ERROR:return null}return a.frag}const Gc=.25;function Sa(){if(typeof self!="undefined")return self.VTTCue||self.TextTrackCue}function Uo(a,e,t,i,s){let n=new a(e,t,"");try{n.value=i,s&&(n.type=s)}catch(r){n=new a(e,t,Et(s?j({type:s},i):i))}return n}const Pr=(()=>{const a=Sa();try{a&&new a(0,Number.POSITIVE_INFINITY,"")}catch(e){return Number.MAX_VALUE}return Number.POSITIVE_INFINITY})();function Vc(a){return Uint8Array.from(a.replace(/^0x/,"").replace(/([\da-fA-F]{2}) ?/g,"0x$1 ").replace(/ +$/,"").split(" ")).buffer}class Kc{constructor(e){this.hls=void 0,this.id3Track=null,this.media=null,this.dateRangeCuesAppended={},this.removeCues=!0,this.onEventCueEnter=()=>{this.hls&&this.hls.trigger(g.EVENT_CUE_ENTER,{})},this.hls=e,this._registerListeners()}destroy(){this._unregisterListeners(),this.id3Track=null,this.media=null,this.dateRangeCuesAppended={},this.hls=this.onEventCueEnter=null}_registerListeners(){const{hls:e}=this;e.on(g.MEDIA_ATTACHING,this.onMediaAttaching,this),e.on(g.MEDIA_ATTACHED,this.onMediaAttached,this),e.on(g.MEDIA_DETACHING,this.onMediaDetaching,this),e.on(g.MANIFEST_LOADING,this.onManifestLoading,this),e.on(g.FRAG_PARSING_METADATA,this.onFragParsingMetadata,this),e.on(g.BUFFER_FLUSHING,this.onBufferFlushing,this),e.on(g.LEVEL_UPDATED,this.onLevelUpdated,this),e.on(g.LEVEL_PTS_UPDATED,this.onLevelPtsUpdated,this)}_unregisterListeners(){const{hls:e}=this;e.off(g.MEDIA_ATTACHING,this.onMediaAttaching,this),e.off(g.MEDIA_ATTACHED,this.onMediaAttached,this),e.off(g.MEDIA_DETACHING,this.onMediaDetaching,this),e.off(g.MANIFEST_LOADING,this.onManifestLoading,this),e.off(g.FRAG_PARSING_METADATA,this.onFragParsingMetadata,this),e.off(g.BUFFER_FLUSHING,this.onBufferFlushing,this),e.off(g.LEVEL_UPDATED,this.onLevelUpdated,this),e.off(g.LEVEL_PTS_UPDATED,this.onLevelPtsUpdated,this)}onMediaAttaching(e,t){var i;this.media=t.media,((i=t.overrides)==null?void 0:i.cueRemoval)===!1&&(this.removeCues=!1)}onMediaAttached(){const e=this.hls.latestLevelDetails;e&&this.updateDateRangeCues(e)}onMediaDetaching(e,t){this.media=null,!t.transferMedia&&(this.id3Track&&(this.removeCues&&Bn(this.id3Track,this.onEventCueEnter),this.id3Track=null),this.dateRangeCuesAppended={})}onManifestLoading(){this.dateRangeCuesAppended={}}createTrack(e){const t=this.getID3Track(e.textTracks);return t.mode="hidden",t}getID3Track(e){if(this.media){for(let t=0;t<e.length;t++){const i=e[t];if(i.kind==="metadata"&&i.label==="id3")return fo(i,this.media),i}return this.media.addTextTrack("metadata","id3")}}onFragParsingMetadata(e,t){if(!this.media)return;const{hls:{config:{enableEmsgMetadataCues:i,enableID3MetadataCues:s}}}=this;if(!i&&!s)return;const{samples:n}=t;this.id3Track||(this.id3Track=this.createTrack(this.media));const r=Sa();if(r)for(let o=0;o<n.length;o++){const u=n[o].type;if(u===Bs.emsg&&!i||!s)continue;const l=ka(n[o].data);if(l){const d=n[o].pts;let h=d+n[o].duration;h>Pr&&(h=Pr),h-d<=0&&(h=d+Gc);for(let v=0;v<l.length;v++){const E=l[v];if(!Pa(E)){this.updateId3CueEnds(d,u);const S=Uo(r,d,h,E,u);S&&this.id3Track.addCue(S)}}}}}updateId3CueEnds(e,t){var i;const s=(i=this.id3Track)==null?void 0:i.cues;if(s)for(let n=s.length;n--;){const r=s[n];r.type===t&&r.startTime<e&&r.endTime===Pr&&(r.endTime=e)}}onBufferFlushing(e,{startOffset:t,endOffset:i,type:s}){const{id3Track:n,hls:r}=this;if(!r)return;const{config:{enableEmsgMetadataCues:o,enableID3MetadataCues:u}}=r;if(n&&(o||u)){let l;s==="audio"?l=d=>d.type===Bs.audioId3&&u:s==="video"?l=d=>d.type===Bs.emsg&&o:l=d=>d.type===Bs.audioId3&&u||d.type===Bs.emsg&&o,la(n,t,i,l)}}onLevelUpdated(e,{details:t}){this.updateDateRangeCues(t,!0)}onLevelPtsUpdated(e,t){Math.abs(t.drift)>.01&&this.updateDateRangeCues(t.details)}updateDateRangeCues(e,t){if(!this.media||!e.hasProgramDateTime||!this.hls.config.enableDateRangeMetadataCues)return;const{id3Track:i}=this,{dateRanges:s}=e,n=Object.keys(s);let r=this.dateRangeCuesAppended;if(i&&t){var o;if((o=i.cues)!=null&&o.length){const d=Object.keys(r).filter(h=>!n.includes(h));for(let h=d.length;h--;){const m=d[h],v=r[m].cues;delete r[m],Object.keys(v).forEach(E=>{try{const S=v[E];S.removeEventListener("enter",this.onEventCueEnter),i.removeCue(S)}catch(S){}})}}else r=this.dateRangeCuesAppended={}}const u=e.fragments[e.fragments.length-1];if(n.length===0||!b(u==null?void 0:u.programDateTime))return;this.id3Track||(this.id3Track=this.createTrack(this.media));const l=Sa();for(let d=0;d<n.length;d++){const h=n[d],m=s[h],v=m.startTime,E=r[h],S=(E==null?void 0:E.cues)||{};let _=(E==null?void 0:E.durationKnown)||!1,x=Pr;const{duration:R,endDate:L}=m;if(L&&R!==null)x=v+R,_=!0;else if(m.endOnNext&&!_){const N=n.reduce((te,U)=>{if(U!==m.id){const z=s[U];if(z.class===m.class&&z.startDate>m.startDate&&(!te||m.startDate<te.startDate))return z}return te},null);N&&(x=N.startTime,_=!0)}const B=Object.keys(m.attr);for(let N=0;N<B.length;N++){const te=B[N];if(!_s(te))continue;const U=S[te];if(U)_&&!E.durationKnown?U.endTime=x:Math.abs(U.startTime-v)>.01&&(U.startTime=v,U.endTime=x);else if(l){let z=m.attr[te];an(te)&&(z=Vc(z));const V=Uo(l,v,x,{key:te,data:z},Bs.dateRange);V&&(V.id=h,this.id3Track.addCue(V),S[te]=V,this.hls.config.interstitialsController&&(te==="X-ASSET-LIST"||te==="X-ASSET-URL")&&V.addEventListener("enter",this.onEventCueEnter))}}r[h]={cues:S,dateRange:m,durationKnown:_}}}}class Hc{constructor(e){this.hls=void 0,this.config=void 0,this.media=null,this.currentTime=0,this.stallCount=0,this._latency=null,this._targetLatencyUpdated=!1,this.onTimeupdate=()=>{const{media:t}=this,i=this.levelDetails;if(!t||!i)return;this.currentTime=t.currentTime;const s=this.computeLatency();if(s===null)return;this._latency=s;const{lowLatencyMode:n,maxLiveSyncPlaybackRate:r}=this.config;if(!n||r===1||!i.live)return;const o=this.targetLatency;if(o===null)return;const u=s-o,l=Math.min(this.maxLatency,o+i.targetduration);if(u<l&&u>.05&&this.forwardBufferLength>1){const h=Math.min(2,Math.max(1,r)),m=Math.round(2/(1+Math.exp(-.75*u-this.edgeStalled))*20)/20,v=Math.min(h,Math.max(1,m));this.changeMediaPlaybackRate(t,v)}else t.playbackRate!==1&&t.playbackRate!==0&&this.changeMediaPlaybackRate(t,1)},this.hls=e,this.config=e.config,this.registerListeners()}get levelDetails(){var e;return((e=this.hls)==null?void 0:e.latestLevelDetails)||null}get latency(){return this._latency||0}get maxLatency(){const{config:e}=this;if(e.liveMaxLatencyDuration!==void 0)return e.liveMaxLatencyDuration;const t=this.levelDetails;return t?e.liveMaxLatencyDurationCount*t.targetduration:0}get targetLatency(){const e=this.levelDetails;if(e===null||this.hls===null)return null;const{holdBack:t,partHoldBack:i,targetduration:s}=e,{liveSyncDuration:n,liveSyncDurationCount:r,lowLatencyMode:o}=this.config,u=this.hls.userConfig;let l=o&&i||t;(this._targetLatencyUpdated||u.liveSyncDuration||u.liveSyncDurationCount||l===0)&&(l=n!==void 0?n:r*s);const d=s;return l+Math.min(this.stallCount*this.config.liveSyncOnStallIncrease,d)}set targetLatency(e){this.stallCount=0,this.config.liveSyncDuration=e,this._targetLatencyUpdated=!0}get liveSyncPosition(){const e=this.estimateLiveEdge(),t=this.targetLatency;if(e===null||t===null)return null;const i=this.levelDetails;if(i===null)return null;const s=i.edge,n=e-t-this.edgeStalled,r=s-i.totalduration,o=s-(this.config.lowLatencyMode&&i.partTarget||i.targetduration);return Math.min(Math.max(r,n),o)}get drift(){const e=this.levelDetails;return e===null?1:e.drift}get edgeStalled(){const e=this.levelDetails;if(e===null)return 0;const t=(this.config.lowLatencyMode&&e.partTarget||e.targetduration)*3;return Math.max(e.age-t,0)}get forwardBufferLength(){const{media:e}=this,t=this.levelDetails;if(!e||!t)return 0;const i=e.buffered.length;return(i?e.buffered.end(i-1):t.edge)-this.currentTime}destroy(){this.unregisterListeners(),this.onMediaDetaching(),this.hls=null}registerListeners(){const{hls:e}=this;e&&(e.on(g.MEDIA_ATTACHED,this.onMediaAttached,this),e.on(g.MEDIA_DETACHING,this.onMediaDetaching,this),e.on(g.MANIFEST_LOADING,this.onManifestLoading,this),e.on(g.LEVEL_UPDATED,this.onLevelUpdated,this),e.on(g.ERROR,this.onError,this))}unregisterListeners(){const{hls:e}=this;e&&(e.off(g.MEDIA_ATTACHED,this.onMediaAttached,this),e.off(g.MEDIA_DETACHING,this.onMediaDetaching,this),e.off(g.MANIFEST_LOADING,this.onManifestLoading,this),e.off(g.LEVEL_UPDATED,this.onLevelUpdated,this),e.off(g.ERROR,this.onError,this))}onMediaAttached(e,t){this.media=t.media,this.media.addEventListener("timeupdate",this.onTimeupdate)}onMediaDetaching(){this.media&&(this.media.removeEventListener("timeupdate",this.onTimeupdate),this.media=null)}onManifestLoading(){this._latency=null,this.stallCount=0}onLevelUpdated(e,{details:t}){t.advanced&&this.onTimeupdate(),!t.live&&this.media&&this.media.removeEventListener("timeupdate",this.onTimeupdate)}onError(e,t){var i;t.details===A.BUFFER_STALLED_ERROR&&(this.stallCount++,this.hls&&(i=this.levelDetails)!=null&&i.live&&this.hls.logger.warn("[latency-controller]: Stall detected, adjusting target latency"))}changeMediaPlaybackRate(e,t){var i,s;e.playbackRate!==t&&((i=this.hls)==null||i.logger.debug(`[latency-controller]: latency=${this.latency.toFixed(3)}, targetLatency=${(s=this.targetLatency)==null?void 0:s.toFixed(3)}, forwardBufferLength=${this.forwardBufferLength.toFixed(3)}: adjusting playback rate from ${e.playbackRate} to ${t}`),e.playbackRate=t)}estimateLiveEdge(){const e=this.levelDetails;return e===null?null:e.edge+e.age}computeLatency(){const e=this.estimateLiveEdge();return e===null?null:e-this.currentTime}}class Wc extends ta{constructor(e,t){super(e,"level-controller"),this._levels=[],this._firstLevel=-1,this._maxAutoLevel=-1,this._startLevel=void 0,this.currentLevel=null,this.currentLevelIndex=-1,this.manualLevelIndex=-1,this.steering=void 0,this.onParsedComplete=void 0,this.steering=t,this._registerListeners()}_registerListeners(){const{hls:e}=this;e.on(g.MANIFEST_LOADING,this.onManifestLoading,this),e.on(g.MANIFEST_LOADED,this.onManifestLoaded,this),e.on(g.LEVEL_LOADED,this.onLevelLoaded,this),e.on(g.LEVELS_UPDATED,this.onLevelsUpdated,this),e.on(g.FRAG_BUFFERED,this.onFragBuffered,this),e.on(g.ERROR,this.onError,this)}_unregisterListeners(){const{hls:e}=this;e.off(g.MANIFEST_LOADING,this.onManifestLoading,this),e.off(g.MANIFEST_LOADED,this.onManifestLoaded,this),e.off(g.LEVEL_LOADED,this.onLevelLoaded,this),e.off(g.LEVELS_UPDATED,this.onLevelsUpdated,this),e.off(g.FRAG_BUFFERED,this.onFragBuffered,this),e.off(g.ERROR,this.onError,this)}destroy(){this._unregisterListeners(),this.steering=null,this.resetLevels(),super.destroy()}stopLoad(){this._levels.forEach(t=>{t.loadError=0,t.fragmentError=0}),super.stopLoad()}resetLevels(){this._startLevel=void 0,this.manualLevelIndex=-1,this.currentLevelIndex=-1,this.currentLevel=null,this._levels=[],this._maxAutoLevel=-1}onManifestLoading(e,t){this.resetLevels()}onManifestLoaded(e,t){const i=this.hls.config.preferManagedMediaSource,s=[],n={},r={};let o=!1,u=!1,l=!1;t.levels.forEach(d=>{var h;const m=d.attrs;let{audioCodec:v,videoCodec:E}=d;v&&(d.audioCodec=v=ci(v,i)||void 0),((h=E)==null?void 0:h.indexOf("avc1"))===0&&(E=d.videoCodec=ls(E));const{width:S,height:_,unknownCodecs:x}=d;let R=x?x.length:0;if(x)for(let Ae=R;Ae--;){const Ue=x[Ae];this.isAudioSupported(Ue)?(d.audioCodec=v=v?`${v},${Ue}`:Ue,R--,vi.audio[v.substring(0,4)]=2):this.isVideoSupported(Ue)&&(d.videoCodec=E=E?`${E},${Ue}`:Ue,R--,vi.video[E.substring(0,4)]=2)}if(o||(o=!!(S&&_)),u||(u=!!E),l||(l=!!v),R||v&&!this.isAudioSupported(v)||E&&!this.isVideoSupported(E)){this.log(`Some or all CODECS not supported "${m.CODECS}"`);return}const{CODECS:L,"FRAME-RATE":B,"HDCP-LEVEL":N,"PATHWAY-ID":te,RESOLUTION:U,"VIDEO-RANGE":z}=m,V=`${`${te||"."}-`}${d.bitrate}-${U}-${B}-${L}-${z}-${N}`;if(n[V])if(n[V].uri!==d.url&&!d.attrs["PATHWAY-ID"]){const Ae=r[V]+=1;d.attrs["PATHWAY-ID"]=new Array(Ae+1).join(".");const Ue=this.createLevel(d);n[V]=Ue,s.push(Ue)}else n[V].addGroupId("audio",m.AUDIO),n[V].addGroupId("text",m.SUBTITLES);else{const Ae=this.createLevel(d);n[V]=Ae,r[V]=1,s.push(Ae)}}),this.filterAndSortMediaOptions(s,t,o,u,l)}createLevel(e){const t=new ue(e),i=e.supplemental;if(i!=null&&i.videoCodec&&!this.isVideoSupported(i.videoCodec)){const s=new Error(`SUPPLEMENTAL-CODECS not supported "${i.videoCodec}"`);this.log(s.message),t.supportedResult=y(s,[])}return t}isAudioSupported(e){return zi(e,"audio",this.hls.config.preferManagedMediaSource)}isVideoSupported(e){return zi(e,"video",this.hls.config.preferManagedMediaSource)}filterAndSortMediaOptions(e,t,i,s,n){let r=[],o=[],u=e;if((i||s)&&n&&(u=u.filter(({videoCodec:_,videoRange:x,width:R,height:L})=>(!!_||!!(R&&L))&&mt(x))),u.length===0){Promise.resolve().then(()=>{if(this.hls){let _="no level with compatible codecs found in manifest",x=_;t.levels.length&&(x=`one or more CODECS in variant not supported: ${Et(t.levels.map(L=>L.attrs.CODECS).filter((L,B,N)=>N.indexOf(L)===B))}`,this.warn(x),_+=` (${x})`);const R=new Error(_);this.hls.trigger(g.ERROR,{type:Z.MEDIA_ERROR,details:A.MANIFEST_INCOMPATIBLE_CODECS_ERROR,fatal:!0,url:t.url,error:R,reason:x})}});return}t.audioTracks&&(r=t.audioTracks.filter(_=>!_.audioCodec||this.isAudioSupported(_.audioCodec)),$o(r)),t.subtitles&&(o=t.subtitles,$o(o));const l=u.slice(0);u.sort((_,x)=>{if(_.attrs["HDCP-LEVEL"]!==x.attrs["HDCP-LEVEL"])return(_.attrs["HDCP-LEVEL"]||"")>(x.attrs["HDCP-LEVEL"]||"")?1:-1;if(i&&_.height!==x.height)return _.height-x.height;if(_.frameRate!==x.frameRate)return _.frameRate-x.frameRate;if(_.videoRange!==x.videoRange)return ft.indexOf(_.videoRange)-ft.indexOf(x.videoRange);if(_.videoCodec!==x.videoCodec){const R=oi(_.videoCodec),L=oi(x.videoCodec);if(R!==L)return L-R}if(_.uri===x.uri&&_.codecSet!==x.codecSet){const R=si(_.codecSet),L=si(x.codecSet);if(R!==L)return L-R}return _.averageBitrate!==x.averageBitrate?_.averageBitrate-x.averageBitrate:0});let d=l[0];if(this.steering&&(u=this.steering.filterParsedLevels(u),u.length!==l.length)){for(let _=0;_<l.length;_++)if(l[_].pathwayId===u[0].pathwayId){d=l[_];break}}this._levels=u;for(let _=0;_<u.length;_++)if(u[_]===d){var h;this._firstLevel=_;const x=d.bitrate,R=this.hls.bandwidthEstimate;if(this.log(`manifest loaded, ${u.length} level(s) found, first bitrate: ${x}`),((h=this.hls.userConfig)==null?void 0:h.abrEwmaDefaultEstimate)===void 0){const L=Math.min(x,this.hls.config.abrEwmaDefaultEstimateMax);L>R&&R===this.hls.abrEwmaDefaultEstimate&&(this.hls.bandwidthEstimate=L)}break}const m=n&&!s,v=this.hls.config,E=!!(v.audioStreamController&&v.audioTrackController),S={levels:u,audioTracks:r,subtitleTracks:o,sessionData:t.sessionData,sessionKeys:t.sessionKeys,firstLevel:this._firstLevel,stats:t.stats,audio:n,video:s,altAudio:E&&!m&&r.some(_=>!!_.url)};this.hls.trigger(g.MANIFEST_PARSED,S)}get levels(){return this._levels.length===0?null:this._levels}get loadLevelObj(){return this.currentLevel}get level(){return this.currentLevelIndex}set level(e){const t=this._levels;if(t.length===0)return;if(e<0||e>=t.length){const d=new Error("invalid level idx"),h=e<0;if(this.hls.trigger(g.ERROR,{type:Z.OTHER_ERROR,details:A.LEVEL_SWITCH_ERROR,level:e,fatal:h,error:d,reason:d.message}),h)return;e=Math.min(e,t.length-1)}const i=this.currentLevelIndex,s=this.currentLevel,n=s?s.attrs["PATHWAY-ID"]:void 0,r=t[e],o=r.attrs["PATHWAY-ID"];if(this.currentLevelIndex=e,this.currentLevel=r,i===e&&s&&n===o)return;this.log(`Switching to level ${e} (${r.height?r.height+"p ":""}${r.videoRange?r.videoRange+" ":""}${r.codecSet?r.codecSet+" ":""}@${r.bitrate})${o?" with Pathway "+o:""} from level ${i}${n?" with Pathway "+n:""}`);const u={level:e,attrs:r.attrs,details:r.details,bitrate:r.bitrate,averageBitrate:r.averageBitrate,maxBitrate:r.maxBitrate,realBitrate:r.realBitrate,width:r.width,height:r.height,codecSet:r.codecSet,audioCodec:r.audioCodec,videoCodec:r.videoCodec,audioGroups:r.audioGroups,subtitleGroups:r.subtitleGroups,loaded:r.loaded,loadError:r.loadError,fragmentError:r.fragmentError,name:r.name,id:r.id,uri:r.uri,url:r.url,urlId:0,audioGroupIds:r.audioGroupIds,textGroupIds:r.textGroupIds};this.hls.trigger(g.LEVEL_SWITCHING,u);const l=r.details;if(!l||l.live){const d=this.switchParams(r.uri,s==null?void 0:s.details,l);this.loadPlaylist(d)}}get manualLevel(){return this.manualLevelIndex}set manualLevel(e){this.manualLevelIndex=e,this._startLevel===void 0&&(this._startLevel=e),e!==-1&&(this.level=e)}get firstLevel(){return this._firstLevel}set firstLevel(e){this._firstLevel=e}get startLevel(){if(this._startLevel===void 0){const e=this.hls.config.startLevel;return e!==void 0?e:this.hls.firstAutoLevel}return this._startLevel}set startLevel(e){this._startLevel=e}get pathways(){return this.steering?this.steering.pathways():[]}get pathwayPriority(){return this.steering?this.steering.pathwayPriority:null}set pathwayPriority(e){if(this.steering){const t=this.steering.pathways(),i=e.filter(s=>t.indexOf(s)!==-1);if(e.length<1){this.warn(`pathwayPriority ${e} should contain at least one pathway from list: ${t}`);return}this.steering.pathwayPriority=i}}onError(e,t){t.fatal||!t.context||t.context.type===xe.LEVEL&&t.context.level===this.level&&this.checkRetry(t)}onFragBuffered(e,{frag:t}){if(t!==void 0&&t.type===oe.MAIN){const i=t.elementaryStreams;if(!Object.keys(i).some(n=>!!i[n]))return;const s=this._levels[t.level];s!=null&&s.loadError&&(this.log(`Resetting level error count of ${s.loadError} on frag buffered`),s.loadError=0)}}onLevelLoaded(e,t){var i;const{level:s,details:n}=t,r=t.levelInfo;if(!r){var o;this.warn(`Invalid level index ${s}`),(o=t.deliveryDirectives)!=null&&o.skip&&(n.deltaUpdateFailed=!0);return}if(r===this.currentLevel||t.withoutMultiVariant){r.fragmentError===0&&(r.loadError=0);let u=r.details;u===t.details&&u.advanced&&(u=void 0),this.playlistLoaded(s,t,u)}else(i=t.deliveryDirectives)!=null&&i.skip&&(n.deltaUpdateFailed=!0)}loadPlaylist(e){super.loadPlaylist(),this.shouldLoadPlaylist(this.currentLevel)&&this.scheduleLoading(this.currentLevel,e)}loadingPlaylist(e,t){super.loadingPlaylist(e,t);const i=this.getUrlWithDirectives(e.uri,t),s=this.currentLevelIndex,n=e.attrs["PATHWAY-ID"],r=e.details,o=r==null?void 0:r.age;this.log(`Loading level index ${s}${(t==null?void 0:t.msn)!==void 0?" at sn "+t.msn+" part "+t.part:""}${n?" Pathway "+n:""}${o&&r.live?" age "+o.toFixed(1)+(r.type?" "+r.type||0:""):""} ${i}`),this.hls.trigger(g.LEVEL_LOADING,{url:i,level:s,levelInfo:e,pathwayId:e.attrs["PATHWAY-ID"],id:0,deliveryDirectives:t||null})}get nextLoadLevel(){return this.manualLevelIndex!==-1?this.manualLevelIndex:this.hls.nextAutoLevel}set nextLoadLevel(e){this.level=e,this.manualLevelIndex===-1&&(this.hls.nextAutoLevel=e)}removeLevel(e){var t;if(this._levels.length===1)return;const i=this._levels.filter((n,r)=>r!==e?!0:(this.steering&&this.steering.removeLevel(n),n===this.currentLevel&&(this.currentLevel=null,this.currentLevelIndex=-1,n.details&&n.details.fragments.forEach(o=>o.level=-1)),!1));zn(i),this._levels=i,this.currentLevelIndex>-1&&(t=this.currentLevel)!=null&&t.details&&(this.currentLevelIndex=this.currentLevel.details.fragments[0].level),this.manualLevelIndex>-1&&(this.manualLevelIndex=this.currentLevelIndex);const s=i.length-1;this._firstLevel=Math.min(this._firstLevel,s),this._startLevel&&(this._startLevel=Math.min(this._startLevel,s)),this.hls.trigger(g.LEVELS_UPDATED,{levels:i})}onLevelsUpdated(e,{levels:t}){this._levels=t}checkMaxAutoUpdated(){const{autoLevelCapping:e,maxAutoLevel:t,maxHdcpLevel:i}=this.hls;this._maxAutoLevel!==t&&(this._maxAutoLevel=t,this.hls.trigger(g.MAX_AUTO_LEVEL_UPDATED,{autoLevelCapping:e,levels:this.levels,maxAutoLevel:t,minAutoLevel:this.hls.minAutoLevel,maxHdcpLevel:i}))}}function $o(a){const e={};a.forEach(t=>{const i=t.groupId||"";t.id=e[i]=e[i]||0,e[i]++})}function Go(){return self.SourceBuffer||self.WebKitSourceBuffer}function Vo(){if(!ut())return!1;const e=Go();return!e||e.prototype&&typeof e.prototype.appendBuffer=="function"&&typeof e.prototype.remove=="function"}function jc(){if(!Vo())return!1;const a=ut();return typeof(a==null?void 0:a.isTypeSupported)=="function"&&(["avc1.42E01E,mp4a.40.2","av01.0.01M.08","vp09.00.50.08"].some(e=>a.isTypeSupported(Vt(e,"video")))||["mp4a.40.2","fLaC"].some(e=>a.isTypeSupported(Vt(e,"audio"))))}function zc(){var a;const e=Go();return typeof(e==null||(a=e.prototype)==null?void 0:a.changeType)=="function"}const Yc=100;class Zc extends vs{constructor(e,t,i){super(e,t,i,"stream-controller",oe.MAIN),this.audioCodecSwap=!1,this.level=-1,this._forceStartLoad=!1,this._hasEnoughToStart=!1,this.altAudio=0,this.audioOnly=!1,this.fragPlaying=null,this.fragLastKbps=0,this.couldBacktrack=!1,this.backtrackFragment=null,this.audioCodecSwitch=!1,this.videoBuffer=null,this.onMediaPlaying=()=>{this.tick()},this.onMediaSeeked=()=>{const s=this.media,n=s?s.currentTime:null;if(n===null||!b(n)||(this.log(`Media seeked to ${n.toFixed(3)}`),!this.getBufferedFrag(n)))return;const r=this.getFwdBufferInfoAtPos(s,n,oe.MAIN,0);if(r===null||r.len===0){this.warn(`Main forward buffer length at ${n} on "seeked" event ${r?r.len:"empty"})`);return}this.tick()},this.registerListeners()}registerListeners(){super.registerListeners();const{hls:e}=this;e.on(g.MANIFEST_PARSED,this.onManifestParsed,this),e.on(g.LEVEL_LOADING,this.onLevelLoading,this),e.on(g.LEVEL_LOADED,this.onLevelLoaded,this),e.on(g.FRAG_LOAD_EMERGENCY_ABORTED,this.onFragLoadEmergencyAborted,this),e.on(g.AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),e.on(g.AUDIO_TRACK_SWITCHED,this.onAudioTrackSwitched,this),e.on(g.BUFFER_CREATED,this.onBufferCreated,this),e.on(g.BUFFER_FLUSHED,this.onBufferFlushed,this),e.on(g.LEVELS_UPDATED,this.onLevelsUpdated,this),e.on(g.FRAG_BUFFERED,this.onFragBuffered,this)}unregisterListeners(){super.unregisterListeners();const{hls:e}=this;e.off(g.MANIFEST_PARSED,this.onManifestParsed,this),e.off(g.LEVEL_LOADED,this.onLevelLoaded,this),e.off(g.FRAG_LOAD_EMERGENCY_ABORTED,this.onFragLoadEmergencyAborted,this),e.off(g.AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),e.off(g.AUDIO_TRACK_SWITCHED,this.onAudioTrackSwitched,this),e.off(g.BUFFER_CREATED,this.onBufferCreated,this),e.off(g.BUFFER_FLUSHED,this.onBufferFlushed,this),e.off(g.LEVELS_UPDATED,this.onLevelsUpdated,this),e.off(g.FRAG_BUFFERED,this.onFragBuffered,this)}onHandlerDestroying(){this.onMediaPlaying=this.onMediaSeeked=null,this.unregisterListeners(),super.onHandlerDestroying()}startLoad(e,t){if(this.levels){const{lastCurrentTime:i,hls:s}=this;if(this.stopLoad(),this.setInterval(Yc),this.level=-1,!this.startFragRequested){let n=s.startLevel;n===-1&&(s.config.testBandwidth&&this.levels.length>1?(n=0,this.bitrateTest=!0):n=s.firstAutoLevel),s.nextLoadLevel=n,this.level=s.loadLevel,this._hasEnoughToStart=!!t}i>0&&e===-1&&!t&&(this.log(`Override startPosition with lastCurrentTime @${i.toFixed(3)}`),e=i),this.state=re.IDLE,this.nextLoadPosition=this.lastCurrentTime=e+this.timelineOffset,this.startPosition=t?-1:e,this.tick()}else this._forceStartLoad=!0,this.state=re.STOPPED}stopLoad(){this._forceStartLoad=!1,super.stopLoad()}doTick(){switch(this.state){case re.WAITING_LEVEL:{const{levels:t,level:i}=this,s=t==null?void 0:t[i],n=s==null?void 0:s.details;if(n&&(!n.live||this.levelLastLoaded===s&&!this.waitForLive(s))){if(this.waitForCdnTuneIn(n))break;this.state=re.IDLE;break}else if(this.hls.nextLoadLevel!==this.level){this.state=re.IDLE;break}break}case re.FRAG_LOADING_WAITING_RETRY:{var e;const t=self.performance.now(),i=this.retryDate;if(!i||t>=i||(e=this.media)!=null&&e.seeking){const{levels:s,level:n}=this,r=s==null?void 0:s[n];this.resetStartWhenNotLoaded(r||null),this.state=re.IDLE}}break}this.state===re.IDLE&&this.doTickIdle(),this.onTickEnd()}onTickEnd(){var e;super.onTickEnd(),(e=this.media)!=null&&e.readyState&&this.media.seeking===!1&&(this.lastCurrentTime=this.media.currentTime),this.checkFragmentChanged()}doTickIdle(){const{hls:e,levelLastLoaded:t,levels:i,media:s}=this;if(t===null||!s&&!this.primaryPrefetch&&(this.startFragRequested||!e.config.startFragPrefetch)||this.altAudio&&this.audioOnly)return;const n=this.buffering?e.nextLoadLevel:e.loadLevel;if(!(i!=null&&i[n]))return;const r=i[n],o=this.getMainFwdBufferInfo();if(o===null)return;const u=this.getLevelDetails();if(u&&this._streamEnded(o,u)){const S={};this.altAudio===2&&(S.type="video"),this.hls.trigger(g.BUFFER_EOS,S),this.state=re.ENDED;return}if(!this.buffering)return;e.loadLevel!==n&&e.manualLevel===-1&&this.log(`Adapting to level ${n} from level ${this.level}`),this.level=e.nextLoadLevel=n;const l=r.details;if(!l||this.state===re.WAITING_LEVEL||this.waitForLive(r)){this.level=n,this.state=re.WAITING_LEVEL,this.startFragRequested=!1;return}const d=o.len,h=this.getMaxBufferLength(r.maxBitrate);if(d>=h)return;this.backtrackFragment&&this.backtrackFragment.start>o.end&&(this.backtrackFragment=null);const m=this.backtrackFragment?this.backtrackFragment.start:o.end;let v=this.getNextFragment(m,l);if(this.couldBacktrack&&!this.fragPrevious&&v&&We(v)&&this.fragmentTracker.getState(v)!==Qt.OK){var E;const _=((E=this.backtrackFragment)!=null?E:v).sn-l.startSN,x=l.fragments[_-1];x&&v.cc===x.cc&&(v=x,this.fragmentTracker.removeFragment(x))}else this.backtrackFragment&&o.len&&(this.backtrackFragment=null);if(v&&this.isLoopLoading(v,m)){if(!v.gap){const _=this.audioOnly&&!this.altAudio?ye.AUDIO:ye.VIDEO,x=(_===ye.VIDEO?this.videoBuffer:this.mediaBuffer)||this.media;x&&this.afterBufferFlushed(x,_,oe.MAIN)}v=this.getNextFragmentLoopLoading(v,l,o,oe.MAIN,h)}v&&(v.initSegment&&!v.initSegment.data&&!this.bitrateTest&&(v=v.initSegment),this.loadFragment(v,r,m))}loadFragment(e,t,i){const s=this.fragmentTracker.getState(e);s===Qt.NOT_LOADED||s===Qt.PARTIAL?We(e)?this.bitrateTest?(this.log(`Fragment ${e.sn} of level ${e.level} is being downloaded to test bitrate and will not be buffered`),this._loadBitrateTestFrag(e,t)):super.loadFragment(e,t,i):this._loadInitSegment(e,t):this.clearTrackerIfNeeded(e)}getBufferedFrag(e){return this.fragmentTracker.getBufferedFrag(e,oe.MAIN)}followingBufferedFrag(e){return e?this.getBufferedFrag(e.end+.5):null}immediateLevelSwitch(){this.abortCurrentFrag(),this.flushMainBuffer(0,Number.POSITIVE_INFINITY)}nextLevelSwitch(){const{levels:e,media:t}=this;if(t!=null&&t.readyState){let i;const s=this.getAppendedFrag(t.currentTime);s&&s.start>1&&this.flushMainBuffer(0,s.start-1);const n=this.getLevelDetails();if(n!=null&&n.live){const o=this.getMainFwdBufferInfo();if(!o||o.len<n.targetduration*2)return}if(!t.paused&&e){const o=this.hls.nextLoadLevel,u=e[o],l=this.fragLastKbps;l&&this.fragCurrent?i=this.fragCurrent.duration*u.maxBitrate/(1e3*l)+1:i=0}else i=0;const r=this.getBufferedFrag(t.currentTime+i);if(r){const o=this.followingBufferedFrag(r);if(o){this.abortCurrentFrag();const u=o.maxStartPTS?o.maxStartPTS:o.start,l=o.duration,d=Math.max(r.end,u+Math.min(Math.max(l-this.config.maxFragLookUpTolerance,l*(this.couldBacktrack?.5:.125)),l*(this.couldBacktrack?.75:.25)));this.flushMainBuffer(d,Number.POSITIVE_INFINITY)}}}}abortCurrentFrag(){const e=this.fragCurrent;switch(this.fragCurrent=null,this.backtrackFragment=null,e&&(e.abortRequests(),this.fragmentTracker.removeFragment(e)),this.state){case re.KEY_LOADING:case re.FRAG_LOADING:case re.FRAG_LOADING_WAITING_RETRY:case re.PARSING:case re.PARSED:this.state=re.IDLE;break}this.nextLoadPosition=this.getLoadPosition()}flushMainBuffer(e,t){super.flushMainBuffer(e,t,this.altAudio===2?"video":null)}onMediaAttached(e,t){super.onMediaAttached(e,t);const i=t.media;cn(i,"playing",this.onMediaPlaying),cn(i,"seeked",this.onMediaSeeked)}onMediaDetaching(e,t){const{media:i}=this;i&&(rn(i,"playing",this.onMediaPlaying),rn(i,"seeked",this.onMediaSeeked)),this.videoBuffer=null,this.fragPlaying=null,super.onMediaDetaching(e,t),!t.transferMedia&&(this._hasEnoughToStart=!1)}onManifestLoading(){super.onManifestLoading(),this.log("Trigger BUFFER_RESET"),this.hls.trigger(g.BUFFER_RESET,void 0),this.couldBacktrack=!1,this.fragLastKbps=0,this.fragPlaying=this.backtrackFragment=null,this.altAudio=0,this.audioOnly=!1}onManifestParsed(e,t){let i=!1,s=!1;t.levels.forEach(n=>{const r=n.audioCodec;r&&(i=i||r.indexOf("mp4a.40.2")!==-1,s=s||r.indexOf("mp4a.40.5")!==-1)}),this.audioCodecSwitch=i&&s&&!zc(),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}onLevelLoading(e,t){const{levels:i}=this;if(!i||this.state!==re.IDLE)return;const s=t.levelInfo;(!s.details||s.details.live&&(this.levelLastLoaded!==s||s.details.expired)||this.waitForCdnTuneIn(s.details))&&(this.state=re.WAITING_LEVEL)}onLevelLoaded(e,t){var i;const{levels:s,startFragRequested:n}=this,r=t.level,o=t.details,u=o.totalduration;if(!s){this.warn(`Levels were reset while loading level ${r}`);return}this.log(`Level ${r} loaded [${o.startSN},${o.endSN}]${o.lastPartSn?`[part-${o.lastPartSn}-${o.lastPartIndex}]`:""}, cc [${o.startCC}, ${o.endCC}] duration:${u}`);const l=t.levelInfo,d=this.fragCurrent;d&&(this.state===re.FRAG_LOADING||this.state===re.FRAG_LOADING_WAITING_RETRY)&&d.level!==t.level&&d.loader&&this.abortCurrentFrag();let h=0;if(o.live||(i=l.details)!=null&&i.live){var m;if(this.checkLiveUpdate(o),o.deltaUpdateFailed)return;h=this.alignPlaylists(o,l.details,(m=this.levelLastLoaded)==null?void 0:m.details)}if(l.details=o,this.levelLastLoaded=l,n||this.setStartPosition(o,h),this.hls.trigger(g.LEVEL_UPDATED,{details:o,level:r}),this.state===re.WAITING_LEVEL){if(this.waitForCdnTuneIn(o))return;this.state=re.IDLE}n&&o.live&&this.synchronizeToLiveEdge(o),this.tick()}synchronizeToLiveEdge(e){const{config:t,media:i}=this;if(!i)return;const s=this.hls.liveSyncPosition,n=this.getLoadPosition(),r=e.fragmentStart,o=e.edge,u=n>=r-t.maxFragLookUpTolerance&&n<=o;if(s!==null&&i.duration>s&&(n<s||!u)){const l=t.liveMaxLatencyDuration!==void 0?t.liveMaxLatencyDuration:t.liveMaxLatencyDurationCount*e.targetduration;(!u&&i.readyState<4||n<o-l)&&(this._hasEnoughToStart||(this.nextLoadPosition=s),i.readyState&&(this.warn(`Playback: ${n.toFixed(3)} is located too far from the end of live sliding playlist: ${o}, reset currentTime to : ${s.toFixed(3)}`),i.currentTime=s))}}_handleFragmentLoadProgress(e){var t;const i=e.frag,{part:s,payload:n}=e,{levels:r}=this;if(!r){this.warn(`Levels were reset while fragment load was in progress. Fragment ${i.sn} of level ${i.level} will not be buffered`);return}const o=r[i.level];if(!o){this.warn(`Level ${i.level} not found on progress`);return}const u=o.details;if(!u){this.warn(`Dropping fragment ${i.sn} of level ${i.level} after level details were reset`),this.fragmentTracker.removeFragment(i);return}const l=o.videoCodec,d=u.PTSKnown||!u.live,h=(t=i.initSegment)==null?void 0:t.data,m=this._getAudioCodec(o),v=this.transmuxer=this.transmuxer||new Xa(this.hls,oe.MAIN,this._handleTransmuxComplete.bind(this),this._handleTransmuxerFlush.bind(this)),E=s?s.index:-1,S=E!==-1,_=new hs(i.level,i.sn,i.stats.chunkCount,n.byteLength,E,S),x=this.initPTS[i.cc];v.push(n,h,m,l,i,s,u.totalduration,d,_,x)}onAudioTrackSwitching(e,t){const i=this.hls,s=this.altAudio===2;if(Mt(t.url,i))this.altAudio=1;else{if(this.mediaBuffer!==this.media){this.log("Switching on main audio, use media.buffered to schedule main fragment loading"),this.mediaBuffer=this.media;const r=this.fragCurrent;r&&(this.log("Switching to main audio track, cancel main fragment load"),r.abortRequests(),this.fragmentTracker.removeFragment(r)),this.resetTransmuxer(),this.resetLoadingState()}else this.audioOnly&&this.resetTransmuxer();if(s){this.fragmentTracker.removeAllFragments(),i.once(g.BUFFER_FLUSHED,()=>{var r;(r=this.hls)==null||r.trigger(g.AUDIO_TRACK_SWITCHED,t)}),i.trigger(g.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:null});return}i.trigger(g.AUDIO_TRACK_SWITCHED,t)}}onAudioTrackSwitched(e,t){const i=Mt(t.url,this.hls);if(i){const 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?2:0,this.tick()}onBufferCreated(e,t){const i=t.tracks;let s,n,r=!1;for(const o in i){const u=i[o];if(u.id==="main"){if(n=o,s=u,o==="video"){const l=i[o];l&&(this.videoBuffer=l.buffer)}}else r=!0}r&&s?(this.log(`Alternate track found, use ${n}.buffered to schedule main fragment loading`),this.mediaBuffer=s.buffer):this.mediaBuffer=this.media}onFragBuffered(e,t){const{frag:i,part:s}=t,n=i.type===oe.MAIN;if(n){if(this.fragContextChanged(i)){this.warn(`Fragment ${i.sn}${s?" p: "+s.index:""} of level ${i.level} finished buffering, but was aborted. state: ${this.state}`),this.state===re.PARSED&&(this.state=re.IDLE);return}const o=s?s.stats:i.stats;this.fragLastKbps=Math.round(8*o.total/(o.buffering.end-o.loading.first)),We(i)&&(this.fragPrevious=i),this.fragBufferedComplete(i,s)}const r=this.media;r&&(!this._hasEnoughToStart&&bt.getBuffered(r).length&&(this._hasEnoughToStart=!0,this.seekToStartPos()),n&&this.tick())}get hasEnoughToStart(){return this._hasEnoughToStart}onError(e,t){var i;if(t.fatal){this.state=re.ERROR;return}switch(t.details){case A.FRAG_GAP:case A.FRAG_PARSING_ERROR:case A.FRAG_DECRYPT_ERROR:case A.FRAG_LOAD_ERROR:case A.FRAG_LOAD_TIMEOUT:case A.KEY_LOAD_ERROR:case A.KEY_LOAD_TIMEOUT:this.onFragmentOrKeyLoadError(oe.MAIN,t);break;case A.LEVEL_LOAD_ERROR:case A.LEVEL_LOAD_TIMEOUT:case A.LEVEL_PARSING_ERROR:!t.levelRetry&&this.state===re.WAITING_LEVEL&&((i=t.context)==null?void 0:i.type)===xe.LEVEL&&(this.state=re.IDLE);break;case A.BUFFER_ADD_CODEC_ERROR:case A.BUFFER_APPEND_ERROR:if(t.parent!=="main")return;this.resetLoadingState();break;case A.BUFFER_FULL_ERROR:if(t.parent!=="main")return;this.reduceLengthAndFlushBuffer(t)&&this.flushMainBuffer(0,Number.POSITIVE_INFINITY);break;case A.INTERNAL_EXCEPTION:this.recoverWorkerError(t);break}}onFragLoadEmergencyAborted(){this.state=re.IDLE,this._hasEnoughToStart||(this.startFragRequested=!1,this.nextLoadPosition=this.lastCurrentTime),this.tickImmediate()}onBufferFlushed(e,{type:t}){if(t!==ye.AUDIO||!this.altAudio){const i=(t===ye.VIDEO?this.videoBuffer:this.mediaBuffer)||this.media;i&&(this.afterBufferFlushed(i,t,oe.MAIN),this.tick())}}onLevelsUpdated(e,t){this.level>-1&&this.fragCurrent&&(this.level=this.fragCurrent.level,this.level===-1&&this.resetWhenMissingContext(this.fragCurrent)),this.levels=t.levels}swapAudioCodec(){this.audioCodecSwap=!this.audioCodecSwap}seekToStartPos(){const{media:e}=this;if(!e)return;const t=e.currentTime;let i=this.startPosition;if(i>=0&&t<i){if(e.seeking){this.log(`could not seek to ${i}, already seeking at ${t}`);return}const s=this.timelineOffset;s&&i&&(i+=s);const n=this.getLevelDetails(),r=bt.getBuffered(e),o=r.length?r.start(0):0,u=o-i,l=Math.max(this.config.maxBufferHole,this.config.maxFragLookUpTolerance);u>0&&(u<l||this.loadingParts&&u<2*((n==null?void 0:n.partTarget)||0))&&(this.log(`adjusting start position by ${u} to match buffer start`),i+=u,this.startPosition=i),t<i&&(this.log(`seek to target start position ${i} from current time ${t} buffer start ${o}`),e.currentTime=i)}}_getAudioCodec(e){let t=this.config.defaultAudioCodec||e.audioCodec;return this.audioCodecSwap&&t&&(this.log("Swapping audio codec"),t.indexOf("mp4a.40.5")!==-1?t="mp4a.40.2":t="mp4a.40.5"),t}_loadBitrateTestFrag(e,t){e.bitrateTest=!0,this._doFragLoad(e,t).then(i=>{const{hls:s}=this,n=i==null?void 0:i.frag;if(!n||this.fragContextChanged(n))return;t.fragmentError=0,this.state=re.IDLE,this.startFragRequested=!1,this.bitrateTest=!1;const r=n.stats;r.parsing.start=r.parsing.end=r.buffering.start=r.buffering.end=self.performance.now(),s.trigger(g.FRAG_LOADED,i),n.bitrateTest=!1})}_handleTransmuxComplete(e){var t;const i=this.playlistType,{hls:s}=this,{remuxResult:n,chunkMeta:r}=e,o=this.getCurrentContext(r);if(!o){this.resetWhenMissingContext(r);return}const{frag:u,part:l,level:d}=o,{video:h,text:m,id3:v,initSegment:E}=n,{details:S}=d,_=this.altAudio?void 0:n.audio;if(this.fragContextChanged(u)){this.fragmentTracker.removeFragment(u);return}if(this.state=re.PARSING,E){if(E!=null&&E.tracks){const L=u.initSegment||u;this._bufferInitSegment(d,E.tracks,L,r),s.trigger(g.FRAG_PARSING_INIT_SEGMENT,{frag:L,id:i,tracks:E.tracks})}const x=E.initPTS,R=E.timescale;b(x)&&(this.initPTS[u.cc]={baseTime:x,timescale:R},s.trigger(g.INIT_PTS_FOUND,{frag:u,id:i,initPTS:x,timescale:R}))}if(h&&S){_&&h.type==="audiovideo"&&this.logMuxedErr(u);const x=S.fragments[u.sn-1-S.startSN],R=u.sn===S.startSN,L=!x||u.cc>x.cc;if(n.independent!==!1){const{startPTS:B,endPTS:N,startDTS:te,endDTS:U}=h;if(l)l.elementaryStreams[h.type]={startPTS:B,endPTS:N,startDTS:te,endDTS:U};else if(h.firstKeyFrame&&h.independent&&r.id===1&&!L&&(this.couldBacktrack=!0),h.dropped&&h.independent){const z=this.getMainFwdBufferInfo(),le=(z?z.end:this.getLoadPosition())+this.config.maxBufferHole,V=h.firstKeyFramePTS?h.firstKeyFramePTS:B;if(!R&&le<V-this.config.maxBufferHole&&!L){this.backtrack(u);return}else L&&(u.gap=!0);u.setElementaryStreamInfo(h.type,u.start,N,u.start,U,!0)}else R&&B-(S.appliedTimelineOffset||0)>kr&&(u.gap=!0);u.setElementaryStreamInfo(h.type,B,N,te,U),this.backtrackFragment&&(this.backtrackFragment=u),this.bufferFragmentData(h,u,l,r,R||L)}else if(R||L)u.gap=!0;else{this.backtrack(u);return}}if(_){const{startPTS:x,endPTS:R,startDTS:L,endDTS:B}=_;l&&(l.elementaryStreams[ye.AUDIO]={startPTS:x,endPTS:R,startDTS:L,endDTS:B}),u.setElementaryStreamInfo(ye.AUDIO,x,R,L,B),this.bufferFragmentData(_,u,l,r)}if(S&&v!=null&&(t=v.samples)!=null&&t.length){const x={id:i,frag:u,details:S,samples:v.samples};s.trigger(g.FRAG_PARSING_METADATA,x)}if(S&&m){const x={id:i,frag:u,details:S,samples:m.samples};s.trigger(g.FRAG_PARSING_USERDATA,x)}}logMuxedErr(e){this.warn(`${We(e)?"Media":"Init"} segment with muxed audiovideo where only video expected: ${e.url}`)}_bufferInitSegment(e,t,i,s){if(this.state!==re.PARSING)return;this.audioOnly=!!t.audio&&!t.video,this.altAudio&&!this.audioOnly&&(delete t.audio,t.audiovideo&&this.logMuxedErr(i));const{audio:n,video:r,audiovideo:o}=t;if(n){let l=ti(n.codec,e.audioCodec);l==="mp4a"&&(l="mp4a.40.5");const d=navigator.userAgent.toLowerCase();if(this.audioCodecSwitch){l&&(l.indexOf("mp4a.40.5")!==-1?l="mp4a.40.2":l="mp4a.40.5");const h=n.metadata;h&&"channelCount"in h&&(h.channelCount||1)!==1&&d.indexOf("firefox")===-1&&(l="mp4a.40.5")}l&&l.indexOf("mp4a.40.5")!==-1&&d.indexOf("android")!==-1&&n.container!=="audio/mpeg"&&(l="mp4a.40.2",this.log(`Android: force audio codec to ${l}`)),e.audioCodec&&e.audioCodec!==l&&this.log(`Swapping manifest audio codec "${e.audioCodec}" for "${l}"`),n.levelCodec=l,n.id=oe.MAIN,this.log(`Init audio buffer, container:${n.container}, codecs[selected/level/parsed]=[${l||""}/${e.audioCodec||""}/${n.codec}]`),delete t.audiovideo}if(r){r.levelCodec=e.videoCodec,r.id=oe.MAIN;const l=r.codec;if((l==null?void 0:l.length)===4)switch(l){case"hvc1":case"hev1":r.codec="hvc1.1.6.L120.90";break;case"av01":r.codec="av01.0.04M.08";break;case"avc1":r.codec="avc1.42e01e";break}this.log(`Init video buffer, container:${r.container}, codecs[level/parsed]=[${e.videoCodec||""}/${l}]${r.codec!==l?" parsed-corrected="+r.codec:""}${r.supplemental?" supplemental="+r.supplemental:""}`),delete t.audiovideo}o&&(this.log(`Init audiovideo buffer, container:${o.container}, codecs[level/parsed]=[${e.codecs}/${o.codec}]`),delete t.video,delete t.audio);const u=Object.keys(t);if(u.length){if(this.hls.trigger(g.BUFFER_CODECS,t),!this.hls)return;u.forEach(l=>{const h=t[l].initSegment;h!=null&&h.byteLength&&this.hls.trigger(g.BUFFER_APPENDING,{type:l,data:h,frag:i,part:null,chunkMeta:s,parent:i.type})})}this.tickImmediate()}getMainFwdBufferInfo(){const e=this.mediaBuffer&&this.altAudio===2?this.mediaBuffer:this.media;return this.getFwdBufferInfo(e,oe.MAIN)}get maxBufferLength(){const{levels:e,level:t}=this,i=e==null?void 0:e[t];return i?this.getMaxBufferLength(i.maxBitrate):this.config.maxBufferLength}backtrack(e){this.couldBacktrack=!0,this.backtrackFragment=e,this.resetTransmuxer(),this.flushBufferGap(e),this.fragmentTracker.removeFragment(e),this.fragPrevious=null,this.nextLoadPosition=e.start,this.state=re.IDLE}checkFragmentChanged(){const e=this.media;let t=null;if(e&&e.readyState>1&&e.seeking===!1){const i=e.currentTime;if(bt.isBuffered(e,i)?t=this.getAppendedFrag(i):bt.isBuffered(e,i+.1)&&(t=this.getAppendedFrag(i+.1)),t){this.backtrackFragment=null;const s=this.fragPlaying,n=t.level;(!s||t.sn!==s.sn||s.level!==n)&&(this.fragPlaying=t,this.hls.trigger(g.FRAG_CHANGED,{frag:t}),(!s||s.level!==n)&&this.hls.trigger(g.LEVEL_SWITCHED,{level:n}))}}}get nextLevel(){const e=this.nextBufferedFrag;return e?e.level:-1}get currentFrag(){var e;if(this.fragPlaying)return this.fragPlaying;const t=((e=this.media)==null?void 0:e.currentTime)||this.lastCurrentTime;return b(t)?this.getAppendedFrag(t):null}get currentProgramDateTime(){var e;const t=((e=this.media)==null?void 0:e.currentTime)||this.lastCurrentTime;if(b(t)){const i=this.getLevelDetails(),s=this.currentFrag||(i?Bt(null,i.fragments,t):null);if(s){const n=s.programDateTime;if(n!==null){const r=n+(t-s.start)*1e3;return new Date(r)}}}return null}get currentLevel(){const e=this.currentFrag;return e?e.level:-1}get nextBufferedFrag(){const e=this.currentFrag;return e?this.followingBufferedFrag(e):null}get forceStartLoad(){return this._forceStartLoad}}class qc{constructor(e){this.config=void 0,this.keyUriToKeyInfo={},this.emeController=null,this.config=e}abort(e){for(const i in this.keyUriToKeyInfo){const s=this.keyUriToKeyInfo[i].loader;if(s){var t;if(e&&e!==((t=s.context)==null?void 0:t.frag.type))return;s.abort()}}}detach(){for(const e in this.keyUriToKeyInfo){const t=this.keyUriToKeyInfo[e];(t.mediaKeySessionContext||t.decryptdata.isCommonEncryption)&&delete this.keyUriToKeyInfo[e]}}destroy(){this.detach();for(const e in this.keyUriToKeyInfo){const t=this.keyUriToKeyInfo[e].loader;t&&t.destroy()}this.keyUriToKeyInfo={}}createKeyLoadError(e,t=A.KEY_LOAD_ERROR,i,s,n){return new fi({type:Z.NETWORK_ERROR,details:t,fatal:!1,frag:e,response:n,error:i,networkDetails:s})}loadClear(e,t){if(this.emeController&&this.config.emeEnabled){const{sn:i,cc:s}=e;for(let n=0;n<t.length;n++){const r=t[n];if(s<=r.cc&&(i==="initSegment"||r.sn==="initSegment"||i<r.sn)){this.emeController.selectKeySystemFormat(r).then(o=>{r.setKeyFormat(o)});break}}}}load(e){return!e.decryptdata&&e.encrypted&&this.emeController&&this.config.emeEnabled?this.emeController.selectKeySystemFormat(e).then(t=>this.loadInternal(e,t)):this.loadInternal(e)}loadInternal(e,t){var i,s;t&&e.setKeyFormat(t);const n=e.decryptdata;if(!n){const l=new Error(t?`Expected frag.decryptdata to be defined after setting format ${t}`:"Missing decryption data on fragment in onKeyLoading");return Promise.reject(this.createKeyLoadError(e,A.KEY_LOAD_ERROR,l))}const r=n.uri;if(!r)return Promise.reject(this.createKeyLoadError(e,A.KEY_LOAD_ERROR,new Error(`Invalid key URI: "${r}"`)));let o=this.keyUriToKeyInfo[r];if((i=o)!=null&&i.decryptdata.key)return n.key=o.decryptdata.key,Promise.resolve({frag:e,keyInfo:o});if((s=o)!=null&&s.keyLoadPromise){var u;switch((u=o.mediaKeySessionContext)==null?void 0:u.keyStatus){case void 0:case"status-pending":case"usable":case"usable-in-future":return o.keyLoadPromise.then(l=>(n.key=l.keyInfo.decryptdata.key,{frag:e,keyInfo:o}))}}switch(o=this.keyUriToKeyInfo[r]={decryptdata:n,keyLoadPromise:null,loader:null,mediaKeySessionContext:null},n.method){case"ISO-23001-7":case"SAMPLE-AES":case"SAMPLE-AES-CENC":case"SAMPLE-AES-CTR":return n.keyFormat==="identity"?this.loadKeyHTTP(o,e):this.loadKeyEME(o,e);case"AES-128":case"AES-256":case"AES-256-CTR":return this.loadKeyHTTP(o,e);default:return Promise.reject(this.createKeyLoadError(e,A.KEY_LOAD_ERROR,new Error(`Key supplied with unsupported METHOD: "${n.method}"`)))}}loadKeyEME(e,t){const i={frag:t,keyInfo:e};if(this.emeController&&this.config.emeEnabled){const s=this.emeController.loadKey(i);if(s)return(e.keyLoadPromise=s.then(n=>(e.mediaKeySessionContext=n,i))).catch(n=>{throw e.keyLoadPromise=null,n})}return Promise.resolve(i)}loadKeyHTTP(e,t){const i=this.config,s=i.loader,n=new s(i);return t.keyLoader=e.loader=n,e.keyLoadPromise=new Promise((r,o)=>{const u={keyInfo:e,frag:t,responseType:"arraybuffer",url:e.decryptdata.uri},l=i.keyLoadPolicy.default,d={loadPolicy:l,timeout:l.maxLoadTimeMs,maxRetry:0,retryDelay:0,maxRetryDelay:0},h={onSuccess:(m,v,E,S)=>{const{frag:_,keyInfo:x,url:R}=E;if(!_.decryptdata||x!==this.keyUriToKeyInfo[R])return o(this.createKeyLoadError(_,A.KEY_LOAD_ERROR,new Error("after key load, decryptdata unset or changed"),S));x.decryptdata.key=_.decryptdata.key=new Uint8Array(m.data),_.keyLoader=null,x.loader=null,r({frag:_,keyInfo:x})},onError:(m,v,E,S)=>{this.resetLoader(v),o(this.createKeyLoadError(t,A.KEY_LOAD_ERROR,new Error(`HTTP Error ${m.code} loading key ${m.text}`),E,j({url:u.url,data:void 0},m)))},onTimeout:(m,v,E)=>{this.resetLoader(v),o(this.createKeyLoadError(t,A.KEY_LOAD_TIMEOUT,new Error("key loading timed out"),E))},onAbort:(m,v,E)=>{this.resetLoader(v),o(this.createKeyLoadError(t,A.INTERNAL_ABORTED,new Error("key loading aborted"),E))}};n.load(u,d,h)})}resetLoader(e){const{frag:t,keyInfo:i,url:s}=e,n=i.loader;t.keyLoader===n&&(t.keyLoader=null,i.loader=null),delete this.keyUriToKeyInfo[s],n&&n.destroy()}}function Ko(a){const{type:e}=a;switch(e){case xe.AUDIO_TRACK:return oe.AUDIO;case xe.SUBTITLE_TRACK:return oe.SUBTITLE;default:return oe.MAIN}}function Ta(a,e){let t=a.url;return(t===void 0||t.indexOf("data:")===0)&&(t=e.url),t}class Xc{constructor(e){this.hls=void 0,this.loaders=Object.create(null),this.variableList=null,this.onManifestLoaded=this.checkAutostartLoad,this.hls=e,this.registerListeners()}startLoad(e){}stopLoad(){this.destroyInternalLoaders()}registerListeners(){const{hls:e}=this;e.on(g.MANIFEST_LOADING,this.onManifestLoading,this),e.on(g.LEVEL_LOADING,this.onLevelLoading,this),e.on(g.AUDIO_TRACK_LOADING,this.onAudioTrackLoading,this),e.on(g.SUBTITLE_TRACK_LOADING,this.onSubtitleTrackLoading,this),e.on(g.LEVELS_UPDATED,this.onLevelsUpdated,this)}unregisterListeners(){const{hls:e}=this;e.off(g.MANIFEST_LOADING,this.onManifestLoading,this),e.off(g.LEVEL_LOADING,this.onLevelLoading,this),e.off(g.AUDIO_TRACK_LOADING,this.onAudioTrackLoading,this),e.off(g.SUBTITLE_TRACK_LOADING,this.onSubtitleTrackLoading,this),e.off(g.LEVELS_UPDATED,this.onLevelsUpdated,this)}createInternalLoader(e){const t=this.hls.config,i=t.pLoader,s=t.loader,n=i||s,r=new n(t);return this.loaders[e.type]=r,r}getInternalLoader(e){return this.loaders[e.type]}resetInternalLoader(e){this.loaders[e]&&delete this.loaders[e]}destroyInternalLoaders(){for(const e in this.loaders){const t=this.loaders[e];t&&t.destroy(),this.resetInternalLoader(e)}}destroy(){this.variableList=null,this.unregisterListeners(),this.destroyInternalLoaders()}onManifestLoading(e,t){const{url:i}=t;this.variableList=null,this.load({id:null,level:0,responseType:"text",type:xe.MANIFEST,url:i,deliveryDirectives:null,levelOrTrack:null})}onLevelLoading(e,t){const{id:i,level:s,pathwayId:n,url:r,deliveryDirectives:o,levelInfo:u}=t;this.load({id:i,level:s,pathwayId:n,responseType:"text",type:xe.LEVEL,url:r,deliveryDirectives:o,levelOrTrack:u})}onAudioTrackLoading(e,t){const{id:i,groupId:s,url:n,deliveryDirectives:r,track:o}=t;this.load({id:i,groupId:s,level:null,responseType:"text",type:xe.AUDIO_TRACK,url:n,deliveryDirectives:r,levelOrTrack:o})}onSubtitleTrackLoading(e,t){const{id:i,groupId:s,url:n,deliveryDirectives:r,track:o}=t;this.load({id:i,groupId:s,level:null,responseType:"text",type:xe.SUBTITLE_TRACK,url:n,deliveryDirectives:r,levelOrTrack:o})}onLevelsUpdated(e,t){const i=this.loaders[xe.LEVEL];if(i){const s=i.context;s&&!t.levels.some(n=>n===s.levelOrTrack)&&(i.abort(),delete this.loaders[xe.LEVEL])}}load(e){var t;const i=this.hls.config;let s=this.getInternalLoader(e);if(s){const l=this.hls.logger,d=s.context;if(d&&d.levelOrTrack===e.levelOrTrack&&(d.url===e.url||d.deliveryDirectives&&!e.deliveryDirectives)){d.url===e.url?l.log(`[playlist-loader]: ignore ${e.url} ongoing request`):l.log(`[playlist-loader]: ignore ${e.url} in favor of ${d.url}`);return}l.log(`[playlist-loader]: aborting previous loader for type: ${e.type}`),s.abort()}let n;if(e.type===xe.MANIFEST?n=i.manifestLoadPolicy.default:n=Le({},i.playlistLoadPolicy.default,{timeoutRetry:null,errorRetry:null}),s=this.createInternalLoader(e),b((t=e.deliveryDirectives)==null?void 0:t.part)){let l;if(e.type===xe.LEVEL&&e.level!==null?l=this.hls.levels[e.level].details:e.type===xe.AUDIO_TRACK&&e.id!==null?l=this.hls.audioTracks[e.id].details:e.type===xe.SUBTITLE_TRACK&&e.id!==null&&(l=this.hls.subtitleTracks[e.id].details),l){const d=l.partTarget,h=l.targetduration;if(d&&h){const m=Math.max(d*3,h*.8)*1e3;n=Le({},n,{maxTimeToFirstByteMs:Math.min(m,n.maxTimeToFirstByteMs),maxLoadTimeMs:Math.min(m,n.maxTimeToFirstByteMs)})}}}const r=n.errorRetry||n.timeoutRetry||{},o={loadPolicy:n,timeout:n.maxLoadTimeMs,maxRetry:r.maxNumRetry||0,retryDelay:r.retryDelayMs||0,maxRetryDelay:r.maxRetryDelayMs||0},u={onSuccess:(l,d,h,m)=>{const v=this.getInternalLoader(h);this.resetInternalLoader(h.type);const E=l.data;if(E.indexOf("#EXTM3U")!==0){this.handleManifestParsingError(l,h,new Error("no EXTM3U delimiter"),m||null,d);return}d.parsing.start=performance.now(),Ms.isMediaPlaylist(E)||h.type!==xe.MANIFEST?this.handleTrackOrLevelPlaylist(l,d,h,m||null,v):this.handleMasterPlaylist(l,d,h,m)},onError:(l,d,h,m)=>{this.handleNetworkError(d,h,!1,l,m)},onTimeout:(l,d,h)=>{this.handleNetworkError(d,h,!0,void 0,l)}};s.load(e,o,u)}checkAutostartLoad(){if(!this.hls)return;const{config:{autoStartLoad:e,startPosition:t},forceStartLoad:i}=this.hls;(e||i)&&(this.hls.logger.log(`${e?"auto":"force"} startLoad with configured startPosition ${t}`),this.hls.startLoad(t))}handleMasterPlaylist(e,t,i,s){const n=this.hls,r=e.data,o=Ta(e,i),u=Ms.parseMasterPlaylist(r,o);if(u.playlistParsingError){this.handleManifestParsingError(e,i,u.playlistParsingError,s,t);return}const{contentSteering:l,levels:d,sessionData:h,sessionKeys:m,startTimeOffset:v,variableList:E}=u;this.variableList=E;const{AUDIO:S=[],SUBTITLES:_,"CLOSED-CAPTIONS":x}=Ms.parseMasterPlaylistMedia(r,o,u);S.length&&!S.some(L=>!L.url)&&d[0].audioCodec&&!d[0].attrs.AUDIO&&(this.hls.logger.log("[playlist-loader]: audio codec signaled in quality level, but no embedded audio track signaled, create one"),S.unshift({type:"main",name:"main",groupId:"main",default:!1,autoselect:!1,forced:!1,id:-1,attrs:new Li({}),bitrate:0,url:""})),n.trigger(g.MANIFEST_LOADED,{levels:d,audioTracks:S,subtitles:_,captions:x,contentSteering:l,url:o,stats:t,networkDetails:s,sessionData:h,sessionKeys:m,startTimeOffset:v,variableList:E})}handleTrackOrLevelPlaylist(e,t,i,s,n){const r=this.hls,{id:o,level:u,type:l}=i,d=Ta(e,i),h=b(u)?u:b(o)?o:0,m=Ko(i),v=Ms.parseLevelPlaylist(e.data,d,h,m,0,this.variableList);if(l===xe.MANIFEST){const E={attrs:new Li({}),bitrate:0,details:v,name:"",url:d};v.requestScheduled=t.loading.start+_n(v,0),r.trigger(g.MANIFEST_LOADED,{levels:[E],audioTracks:[],url:d,stats:t,networkDetails:s,sessionData:null,sessionKeys:null,contentSteering:null,startTimeOffset:null,variableList:null})}t.parsing.end=performance.now(),i.levelDetails=v,this.handlePlaylistLoaded(v,e,t,i,s,n)}handleManifestParsingError(e,t,i,s,n){this.hls.trigger(g.ERROR,{type:Z.NETWORK_ERROR,details:A.MANIFEST_PARSING_ERROR,fatal:t.type===xe.MANIFEST,url:e.url,err:i,error:i,reason:i.message,response:e,context:t,networkDetails:s,stats:n})}handleNetworkError(e,t,i=!1,s,n){let r=`A network ${i?"timeout":"error"+(s?" (status "+s.code+")":"")} occurred while loading ${e.type}`;e.type===xe.LEVEL?r+=`: ${e.level} id: ${e.id}`:(e.type===xe.AUDIO_TRACK||e.type===xe.SUBTITLE_TRACK)&&(r+=` id: ${e.id} group-id: "${e.groupId}"`);const o=new Error(r);this.hls.logger.warn(`[playlist-loader]: ${r}`);let u=A.UNKNOWN,l=!1;const d=this.getInternalLoader(e);switch(e.type){case xe.MANIFEST:u=i?A.MANIFEST_LOAD_TIMEOUT:A.MANIFEST_LOAD_ERROR,l=!0;break;case xe.LEVEL:u=i?A.LEVEL_LOAD_TIMEOUT:A.LEVEL_LOAD_ERROR,l=!1;break;case xe.AUDIO_TRACK:u=i?A.AUDIO_TRACK_LOAD_TIMEOUT:A.AUDIO_TRACK_LOAD_ERROR,l=!1;break;case xe.SUBTITLE_TRACK:u=i?A.SUBTITLE_TRACK_LOAD_TIMEOUT:A.SUBTITLE_LOAD_ERROR,l=!1;break}d&&this.resetInternalLoader(e.type);const h={type:Z.NETWORK_ERROR,details:u,fatal:l,url:e.url,loader:d,context:e,error:o,networkDetails:t,stats:n};if(s){const m=(t==null?void 0:t.url)||e.url;h.response=j({url:m,data:void 0},s)}this.hls.trigger(g.ERROR,h)}handlePlaylistLoaded(e,t,i,s,n,r){const o=this.hls,{type:u,level:l,id:d,groupId:h,deliveryDirectives:m}=s,v=Ta(t,s),E=Ko(s),S=typeof s.level=="number"&&E===oe.MAIN?l:void 0;if(!e.fragments.length){const x=e.playlistParsingError=new Error("No Segments found in Playlist");o.trigger(g.ERROR,{type:Z.NETWORK_ERROR,details:A.LEVEL_EMPTY_ERROR,fatal:!1,url:v,error:x,reason:x.message,response:t,context:s,level:S,parent:E,networkDetails:n,stats:i});return}e.targetduration||(e.playlistParsingError=new Error("Missing Target Duration"));const _=e.playlistParsingError;if(_){if(this.hls.logger.warn(_),!o.config.ignorePlaylistParsingErrors){o.trigger(g.ERROR,{type:Z.NETWORK_ERROR,details:A.LEVEL_PARSING_ERROR,fatal:!1,url:v,error:_,reason:_.message,response:t,context:s,level:S,parent:E,networkDetails:n,stats:i});return}e.playlistParsingError=null}switch(e.live&&r&&(r.getCacheAge&&(e.ageHeader=r.getCacheAge()||0),(!r.getCacheAge||isNaN(e.ageHeader))&&(e.ageHeader=0)),u){case xe.MANIFEST:case xe.LEVEL:o.trigger(g.LEVEL_LOADED,{details:e,levelInfo:s.levelOrTrack||o.levels[0],level:S||0,id:d||0,stats:i,networkDetails:n,deliveryDirectives:m,withoutMultiVariant:u===xe.MANIFEST});break;case xe.AUDIO_TRACK:o.trigger(g.AUDIO_TRACK_LOADED,{details:e,track:s.levelOrTrack,id:d||0,groupId:h||"",stats:i,networkDetails:n,deliveryDirectives:m});break;case xe.SUBTITLE_TRACK:o.trigger(g.SUBTITLE_TRACK_LOADED,{details:e,track:s.levelOrTrack,id:d||0,groupId:h||"",stats:i,networkDetails:n,deliveryDirectives:m});break}}}class pn{static get version(){return Xn}static isMSESupported(){return Vo()}static isSupported(){return jc()}static getMediaSource(){return ut()}static get Events(){return g}static get MetadataSchema(){return Bs}static get ErrorTypes(){return Z}static get ErrorDetails(){return A}static get DefaultConfig(){return pn.defaultConfig?pn.defaultConfig:Pc}static set DefaultConfig(e){pn.defaultConfig=e}constructor(e={}){this.config=void 0,this.userConfig=void 0,this.logger=void 0,this.coreComponents=void 0,this.networkControllers=void 0,this._emitter=new qn,this._autoLevelCapping=-1,this._maxHdcpLevel=null,this.abrController=void 0,this.bufferController=void 0,this.capLevelController=void 0,this.latencyController=void 0,this.levelController=void 0,this.streamController=void 0,this.audioStreamController=void 0,this.subtititleStreamController=void 0,this.audioTrackController=void 0,this.subtitleTrackController=void 0,this.interstitialsController=void 0,this.gapController=void 0,this.emeController=void 0,this.cmcdController=void 0,this._media=null,this._url=null,this._sessionId=void 0,this.triggeringException=void 0,this.started=!1;const t=this.logger=He(e.debug||!1,"Hls instance",e.assetPlayerId),i=this.config=Fc(pn.DefaultConfig,e,t);this.userConfig=e,i.progressive&&Mc(i,t);const{abrController:s,bufferController:n,capLevelController:r,errorController:o,fpsController:u}=i,l=new o(this),d=this.abrController=new s(this),h=new Yi(this),m=i.interstitialsController,v=m?this.interstitialsController=new m(this,pn):null,E=this.bufferController=new n(this,h),S=this.capLevelController=new r(this),_=new u(this),x=new Xc(this),R=i.contentSteeringController,L=R?new R(this):null,B=this.levelController=new Wc(this,L),N=new Kc(this),te=new qc(this.config),U=this.streamController=new Zc(this,h,te),z=this.gapController=new $c(this,h);S.setStreamController(U),_.setStreamController(U);const le=[x,B,U];v&&le.splice(1,0,v),L&&le.splice(1,0,L),this.networkControllers=le;const V=[d,E,z,S,_,N,h];this.audioTrackController=this.createController(i.audioTrackController,le);const Ae=i.audioStreamController;Ae&&le.push(this.audioStreamController=new Ae(this,h,te)),this.subtitleTrackController=this.createController(i.subtitleTrackController,le);const Ue=i.subtitleStreamController;Ue&&le.push(this.subtititleStreamController=new Ue(this,h,te)),this.createController(i.timelineController,V),te.emeController=this.emeController=this.createController(i.emeController,V),this.cmcdController=this.createController(i.cmcdController,V),this.latencyController=this.createController(Hc,V),this.coreComponents=V,le.push(l);const li=l.onErrorOut;typeof li=="function"&&this.on(g.ERROR,li,l),this.on(g.MANIFEST_LOADED,x.onManifestLoaded,x)}createController(e,t){if(e){const i=new e(this);return t&&t.push(i),i}return null}on(e,t,i=this){this._emitter.on(e,t,i)}once(e,t,i=this){this._emitter.once(e,t,i)}removeAllListeners(e){this._emitter.removeAllListeners(e)}off(e,t,i=this,s){this._emitter.off(e,t,i,s)}listeners(e){return this._emitter.listeners(e)}emit(e,t,i){return this._emitter.emit(e,t,i)}trigger(e,t){if(this.config.debug)return this.emit(e,e,t);try{return this.emit(e,e,t)}catch(i){if(this.logger.error("An internal error happened while handling event "+e+'. Error message: "'+i.message+'". Here is a stacktrace:',i),!this.triggeringException){this.triggeringException=!0;const s=e===g.ERROR;this.trigger(g.ERROR,{type:Z.OTHER_ERROR,details:A.INTERNAL_EXCEPTION,fatal:s,event:e,error:i}),this.triggeringException=!1}}return!1}listenerCount(e){return this._emitter.listenerCount(e)}destroy(){this.logger.log("destroy"),this.trigger(g.DESTROYING,void 0),this.detachMedia(),this.removeAllListeners(),this._autoLevelCapping=-1,this._url=null,this.networkControllers.forEach(t=>t.destroy()),this.networkControllers.length=0,this.coreComponents.forEach(t=>t.destroy()),this.coreComponents.length=0;const e=this.config;e.xhrSetup=e.fetchSetup=void 0,this.userConfig=null}attachMedia(e){if(!e||"media"in e&&!e.media){const n=new Error(`attachMedia failed: invalid argument (${e})`);this.trigger(g.ERROR,{type:Z.OTHER_ERROR,details:A.ATTACH_MEDIA_ERROR,fatal:!0,error:n});return}this.logger.log("attachMedia"),this._media&&(this.logger.warn("media must be detached before attaching"),this.detachMedia());const t="media"in e,i=t?e.media:e,s=t?e:{media:i};this._media=i,this.trigger(g.MEDIA_ATTACHING,s)}detachMedia(){this.logger.log("detachMedia"),this.trigger(g.MEDIA_DETACHING,{}),this._media=null}transferMedia(){this._media=null;const e=this.bufferController.transferMedia();return this.trigger(g.MEDIA_DETACHING,{transferMedia:e}),e}loadSource(e){this.stopLoad();const t=this.media,i=this._url,s=this._url=it.buildAbsoluteURL(self.location.href,e,{alwaysNormalize:!0});this._autoLevelCapping=-1,this._maxHdcpLevel=null,this.logger.log(`loadSource:${s}`),t&&i&&(i!==s||this.bufferController.hasSourceTypes())&&(this.detachMedia(),this.attachMedia(t)),this.trigger(g.MANIFEST_LOADING,{url:e})}get url(){return this._url}get hasEnoughToStart(){return this.streamController.hasEnoughToStart}get startPosition(){return this.streamController.startPositionValue}startLoad(e=-1,t){this.logger.log(`startLoad(${e+(t?", <skip seek to start>":"")})`),this.started=!0,this.resumeBuffering();for(let i=0;i<this.networkControllers.length&&(this.networkControllers[i].startLoad(e,t),!(!this.started||!this.networkControllers));i++);}stopLoad(){this.logger.log("stopLoad"),this.started=!1;for(let e=0;e<this.networkControllers.length&&(this.networkControllers[e].stopLoad(),!(this.started||!this.networkControllers));e++);}get loadingEnabled(){return this.started}get bufferingEnabled(){return this.streamController.bufferingEnabled}resumeBuffering(){this.bufferingEnabled||(this.logger.log("resume buffering"),this.networkControllers.forEach(e=>{e.resumeBuffering&&e.resumeBuffering()}))}pauseBuffering(){this.bufferingEnabled&&(this.logger.log("pause buffering"),this.networkControllers.forEach(e=>{e.pauseBuffering&&e.pauseBuffering()}))}get inFlightFragments(){const e={[oe.MAIN]:this.streamController.inFlightFrag};return this.audioStreamController&&(e[oe.AUDIO]=this.audioStreamController.inFlightFrag),this.subtititleStreamController&&(e[oe.SUBTITLE]=this.subtititleStreamController.inFlightFrag),e}swapAudioCodec(){this.logger.log("swapAudioCodec"),this.streamController.swapAudioCodec()}recoverMediaError(){this.logger.log("recoverMediaError");const e=this._media,t=e==null?void 0:e.currentTime;this.detachMedia(),e&&(this.attachMedia(e),t&&this.startLoad(t))}removeLevel(e){this.levelController.removeLevel(e)}get sessionId(){let e=this._sessionId;return e||(e=this._sessionId=hl()),e}get levels(){const e=this.levelController.levels;return e||[]}get latestLevelDetails(){return this.streamController.getLevelDetails()||null}get loadLevelObj(){return this.levelController.loadLevelObj}get currentLevel(){return this.streamController.currentLevel}set currentLevel(e){this.logger.log(`set currentLevel:${e}`),this.levelController.manualLevel=e,this.streamController.immediateLevelSwitch()}get nextLevel(){return this.streamController.nextLevel}set nextLevel(e){this.logger.log(`set nextLevel:${e}`),this.levelController.manualLevel=e,this.streamController.nextLevelSwitch()}get loadLevel(){return this.levelController.level}set loadLevel(e){this.logger.log(`set loadLevel:${e}`),this.levelController.manualLevel=e}get nextLoadLevel(){return this.levelController.nextLoadLevel}set nextLoadLevel(e){this.levelController.nextLoadLevel=e}get firstLevel(){return Math.max(this.levelController.firstLevel,this.minAutoLevel)}set firstLevel(e){this.logger.log(`set firstLevel:${e}`),this.levelController.firstLevel=e}get startLevel(){const e=this.levelController.startLevel;return e===-1&&this.abrController.forcedAutoLevel>-1?this.abrController.forcedAutoLevel:e}set startLevel(e){this.logger.log(`set startLevel:${e}`),e!==-1&&(e=Math.max(e,this.minAutoLevel)),this.levelController.startLevel=e}get capLevelToPlayerSize(){return this.config.capLevelToPlayerSize}set capLevelToPlayerSize(e){const t=!!e;t!==this.config.capLevelToPlayerSize&&(t?this.capLevelController.startCapping():(this.capLevelController.stopCapping(),this.autoLevelCapping=-1,this.streamController.nextLevelSwitch()),this.config.capLevelToPlayerSize=t)}get autoLevelCapping(){return this._autoLevelCapping}get bandwidthEstimate(){const{bwEstimator:e}=this.abrController;return e?e.getEstimate():NaN}set bandwidthEstimate(e){this.abrController.resetEstimator(e)}get abrEwmaDefaultEstimate(){const{bwEstimator:e}=this.abrController;return e?e.defaultEstimate:NaN}get ttfbEstimate(){const{bwEstimator:e}=this.abrController;return e?e.getEstimateTTFB():NaN}set autoLevelCapping(e){this._autoLevelCapping!==e&&(this.logger.log(`set autoLevelCapping:${e}`),this._autoLevelCapping=e,this.levelController.checkMaxAutoUpdated())}get maxHdcpLevel(){return this._maxHdcpLevel}set maxHdcpLevel(e){Be(e)&&this._maxHdcpLevel!==e&&(this._maxHdcpLevel=e,this.levelController.checkMaxAutoUpdated())}get autoLevelEnabled(){return this.levelController.manualLevel===-1}get manualLevel(){return this.levelController.manualLevel}get minAutoLevel(){const{levels:e,config:{minAutoBitrate:t}}=this;if(!e)return 0;const i=e.length;for(let s=0;s<i;s++)if(e[s].maxBitrate>=t)return s;return 0}get maxAutoLevel(){const{levels:e,autoLevelCapping:t,maxHdcpLevel:i}=this;let s;if(t===-1&&e!=null&&e.length?s=e.length-1:s=t,i)for(let n=s;n--;){const r=e[n].attrs["HDCP-LEVEL"];if(r&&r<=i)return n}return s}get firstAutoLevel(){return this.abrController.firstAutoLevel}get nextAutoLevel(){return this.abrController.nextAutoLevel}set nextAutoLevel(e){this.abrController.nextAutoLevel=e}get playingDate(){return this.streamController.currentProgramDateTime}get mainForwardBufferInfo(){return this.streamController.getMainFwdBufferInfo()}get maxBufferLength(){return this.streamController.maxBufferLength}setAudioOption(e){var t;return((t=this.audioTrackController)==null?void 0:t.setAudioOption(e))||null}setSubtitleOption(e){var t;return((t=this.subtitleTrackController)==null?void 0:t.setSubtitleOption(e))||null}get allAudioTracks(){const e=this.audioTrackController;return e?e.allAudioTracks:[]}get audioTracks(){const e=this.audioTrackController;return e?e.audioTracks:[]}get audioTrack(){const e=this.audioTrackController;return e?e.audioTrack:-1}set audioTrack(e){const t=this.audioTrackController;t&&(t.audioTrack=e)}get allSubtitleTracks(){const e=this.subtitleTrackController;return e?e.allSubtitleTracks:[]}get subtitleTracks(){const e=this.subtitleTrackController;return e?e.subtitleTracks:[]}get subtitleTrack(){const e=this.subtitleTrackController;return e?e.subtitleTrack:-1}get media(){return this._media}set subtitleTrack(e){const t=this.subtitleTrackController;t&&(t.subtitleTrack=e)}get subtitleDisplay(){const e=this.subtitleTrackController;return e?e.subtitleDisplay:!1}set subtitleDisplay(e){const t=this.subtitleTrackController;t&&(t.subtitleDisplay=e)}get lowLatencyMode(){return this.config.lowLatencyMode}set lowLatencyMode(e){this.config.lowLatencyMode=e}get liveSyncPosition(){return this.latencyController.liveSyncPosition}get latency(){return this.latencyController.latency}get maxLatency(){return this.latencyController.maxLatency}get targetLatency(){return this.latencyController.targetLatency}set targetLatency(e){this.latencyController.targetLatency=e}get drift(){return this.latencyController.drift}get forceStartLoad(){return this.streamController.forceStartLoad}get pathways(){return this.levelController.pathways}get pathwayPriority(){return this.levelController.pathwayPriority}set pathwayPriority(e){this.levelController.pathwayPriority=e}get bufferedToEnd(){var e;return!!((e=this.bufferController)!=null&&e.bufferedToEnd)}get interstitialsManager(){var e;return((e=this.interstitialsController)==null?void 0:e.interstitialsManager)||null}getMediaDecodingInfo(e,t=this.allAudioTracks){const i=$e(t);return P(e,i,navigator.mediaCapabilities)}}pn.defaultConfig=void 0}}]);
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}()); |