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t=e.target;if(2===t.readyState){if(null!=t.responseURL){var i=this._seekHandler.removeURLParameters(t.responseURL);t.responseURL!==this._currentRequestURL&&i!==this._currentRedirectedURL&&(this._currentRedirectedURL=i,this._onURLRedirect&&this._onURLRedirect(i))}if(t.status>=200&&t.status<=299){if(this._waitForTotalLength)return;this._status=b.kBuffering}else{if(this._status=b.kError,!this._onError)throw new E("RangeLoader: Http code invalid, "+t.status+" "+t.statusText);this._onError(R.HTTP_STATUS_CODE_INVALID,{code:t.status,msg:t.statusText})}}}},{key:"_onProgress",value:function(e){if(this._status!==b.kError){if(null===this._contentLength){var t=!1;if(this._waitForTotalLength){this._waitForTotalLength=!1,this._totalLengthReceived=!0,t=!0;var i=e.total;this._internalAbort(),null!=i&0!==i&&(this._totalLength=i)}if(-1===this._range.to?this._contentLength=this._totalLength-this._range.from:this._contentLength=this._range.to-this._range.from+1,t)return void 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s=!1;null!=this._contentLength&&this._receivedLength<this._contentLength?this._openSubRange():s=!0,this._onDataArrival&&this._onDataArrival(n,r,this._receivedLength),s&&(this._status=b.kComplete,this._onComplete&&this._onComplete(this._range.from,this._range.from+this._receivedLength-1))}}},{key:"_onXhrError",value:function(e){this._status=b.kError;var t=0,i=null;if(this._contentLength&&this._receivedLength>0&&this._receivedLength<this._contentLength?(t=R.EARLY_EOF,i={code:-1,msg:"RangeLoader meet Early-Eof"}):(t=R.EXCEPTION,i={code:-1,msg:e.constructor.name+" "+e.type}),!this._onError)throw new E(i.msg);this._onError(t,i)}}],[{key:"isSupported",value:function(){try{var e=new XMLHttpRequest;return e.open("GET","https://example.com",!0),e.responseType="arraybuffer","arraybuffer"===e.responseType}catch(e){return f.w("RangeLoader",e.message),!1}}}]),i}(L),U=function(e){p()(i,e);var t=y()(i);function i(){var e;return a()(this,i),(e=t.call(this,"websocket-loader")).TAG="WebSocketLoader",e._needStash=!0,e._ws=null,e._requestAbort=!1,e._receivedLength=0,e}return h()(i,[{key:"destroy",value:function(){this._ws&&this.abort(),T()(I()(i.prototype),"destroy",this).call(this)}},{key:"open",value:function(e){try{var t=this._ws=new self.WebSocket(e.url);t.binaryType="arraybuffer",t.onopen=this._onWebSocketOpen.bind(this),t.onclose=this._onWebSocketClose.bind(this),t.onmessage=this._onWebSocketMessage.bind(this),t.onerror=this._onWebSocketError.bind(this),this._status=b.kConnecting}catch(e){this._status=b.kError;var i={code:e.code,msg:e.message};if(!this._onError)throw new E(i.msg);this._onError(R.EXCEPTION,i)}}},{key:"abort",value:function(){var e=this._ws;!e||0!==e.readyState&&1!==e.readyState||(this._requestAbort=!0,e.close()),this._ws=null,this._status=b.kComplete}},{key:"_onWebSocketOpen",value:function(e){this._status=b.kBuffering}},{key:"_onWebSocketClose",value:function(e){!0!==this._requestAbort?(this._status=b.kComplete,this._onComplete&&this._onComplete(0,this._receivedLength-1)):this._requestAbort=!1}},{key:"_onWebSocketMessage",value:function(e){var t=this;if(e.data instanceof ArrayBuffer)this._dispatchArrayBuffer(e.data);else if(e.data instanceof Blob){var i=new FileReader;i.onload=function(){t._dispatchArrayBuffer(i.result)},i.readAsArrayBuffer(e.data)}else{this._status=b.kError;var n={code:-1,msg:"Unsupported WebSocket message type: "+e.data.constructor.name};if(!this._onError)throw new E(n.msg);this._onError(R.EXCEPTION,n)}}},{key:"_dispatchArrayBuffer",value:function(e){var t=e,i=this._receivedLength;this._receivedLength+=t.byteLength,this._onDataArrival&&this._onDataArrival(t,i,this._receivedLength)}},{key:"_onWebSocketError",value:function(e){this._status=b.kError;var t={code:e.code,msg:e.message};if(!this._onError)throw new E(t.msg);this._onError(R.EXCEPTION,t)}}],[{key:"isSupported",value:function(){try{return void 0!==self.WebSocket}catch(e){return!1}}}]),i}(L),N=function(){function e(t){a()(this,e),this._zeroStart=t||!1}return h()(e,[{key:"getConfig",value:function(e,t){var i,n={};0!==t.from||-1!==t.to?(i=-1!==t.to?"bytes=".concat(t.from.toString(),"-").concat(t.to.toString()):"bytes=".concat(t.from.toString(),"-"),n.Range=i):this._zeroStart&&(n.Range="bytes=0-");return{url:e,headers:n}}},{key:"removeURLParameters",value:function(e){return e}}]),e}(),P=function(){function e(t,i){a()(this,e),this._startName=t,this._endName=i}return h()(e,[{key:"getConfig",value:function(e,t){var i=e;if(0!==t.from||-1!==t.to){var n=!0;-1===i.indexOf("?")&&(i+="?",n=!1),n&&(i+="&"),i+="".concat(this._startName,"=").concat(t.from.toString()),-1!==t.to&&(i+="&".concat(this._endName,"=").concat(t.to.toString()))}return{url:i,headers:{}}}},{key:"removeURLParameters",value:function(e){var t=e.split("?")[0],i=void 0,n=e.indexOf("?");-1!==n&&(i=e.substring(n+1));var r="";if(null!=i&&i.length>0)for(var s=i.split("&"),a=0;a<s.length;a++){var o=s[a].split("="),h=a>0;o[0]!==this._startName&&o[0]!==this._endName&&(h&&(r+="&"),r+=s[a])}return 0===r.length?t:t+"?"+r}}]),e}(),F=function(){function e(t,i,n){a()(this,e),this.TAG="IOController",this._config=i,this._extraData=n,this._stashInitialSize=393216,null!=i.stashInitialSize&&i.stashInitialSize>0&&(this._stashInitialSize=i.stashInitialSize),this._stashUsed=0,this._stashSize=this._stashInitialSize,this._bufferSize=3145728,this._stashBuffer=new ArrayBuffer(this._bufferSize),this._stashByteStart=0,this._enableStash=!0,!1===i.enableStashBuffer&&(this._enableStash=!1),this._loader=null,this._loaderClass=null,this._seekHandler=null,this._dataSource=t,this._isWebSocketURL=/wss?:\/\/(.+?)/.test(t.url),this._refTotalLength=t.filesize?t.filesize:null,this._totalLength=this._refTotalLength,this._fullRequestFlag=!1,this._currentRange=null,this._redirectedURL=null,this._speedNormalized=0,this._speedSampler=new m,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()}return h()(e,[{key:"destroy",value:function(){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}},{key:"isWorking",value:function(){return this._loader&&this._loader.isWorking()&&!this._paused}},{key:"isPaused",value:function(){return this._paused}},{key:"status",get:function(){return this._loader.status}},{key:"extraData",get:function(){return this._extraData},set:function(e){this._extraData=e}},{key:"onDataArrival",get:function(){return this._onDataArrival},set:function(e){this._onDataArrival=e}},{key:"onSeeked",get:function(){return this._onSeeked},set:function(e){this._onSeeked=e}},{key:"onError",get:function(){return this._onError},set:function(e){this._onError=e}},{key:"onComplete",get:function(){return this._onComplete},set:function(e){this._onComplete=e}},{key:"onRedirect",get:function(){return this._onRedirect},set:function(e){this._onRedirect=e}},{key:"onRecoveredEarlyEof",get:function(){return this._onRecoveredEarlyEof},set:function(e){this._onRecoveredEarlyEof=e}},{key:"currentURL",get:function(){return this._dataSource.url}},{key:"hasRedirect",get:function(){return null!=this._redirectedURL||null!=this._dataSource.redirectedURL}},{key:"currentRedirectedURL",get:function(){return this._redirectedURL||this._dataSource.redirectedURL}},{key:"currentSpeed",get:function(){return this._loaderClass===x?this._loader.currentSpeed:this._speedSampler.lastSecondKBps}},{key:"loaderType",get:function(){return this._loader.type}},{key:"_selectSeekHandler",value:function(){var e=this._config;if("range"===e.seekType)this._seekHandler=new N(this._config.rangeLoadZeroStart);else if("param"===e.seekType){var t=e.seekParamStart||"bstart",i=e.seekParamEnd||"bend";this._seekHandler=new P(t,i)}else{if("custom"!==e.seekType)throw new k("Invalid seekType in config: ".concat(e.seekType));if("function"!=typeof e.customSeekHandler)throw new k("Custom seekType specified in config but invalid customSeekHandler!");this._seekHandler=new e.customSeekHandler}}},{key:"_selectLoader",value:function(){if(null!=this._config.customLoader)this._loaderClass=this._config.customLoader;else if(this._isWebSocketURL)this._loaderClass=U;else if(M.isSupported())this._loaderClass=M;else if(B.isSupported())this._loaderClass=B;else{if(!x.isSupported())throw new E("Your browser doesn't support xhr with arraybuffer responseType!");this._loaderClass=x}}},{key:"_createLoader",value:function(){this._loader=new this._loaderClass(this._seekHandler,this._config),!1===this._loader.needStashBuffer&&(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)}},{key:"open",value:function(e){this._currentRange={from:0,to:-1},e&&(this._currentRange.from=e),this._speedSampler.reset(),e||(this._fullRequestFlag=!0),this._loader.open(this._dataSource,Object.assign({},this._currentRange))}},{key:"abort",value:function(){this._loader.abort(),this._paused&&(this._paused=!1,this._resumeFrom=0)}},{key:"pause",value:function(){this.isWorking()&&(this._loader.abort(),0!==this._stashUsed?(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)}},{key:"resume",value:function(){if(this._paused){this._paused=!1;var e=this._resumeFrom;this._resumeFrom=0,this._internalSeek(e,!0)}}},{key:"seek",value:function(e){this._paused=!1,this._stashUsed=0,this._stashByteStart=0,this._internalSeek(e,!0)}},{key:"_internalSeek",value:function(e,t){this._loader.isWorking()&&this._loader.abort(),this._flushStashBuffer(t),this._loader.destroy(),this._loader=null;var i={from:e,to:-1};this._currentRange={from:i.from,to:-1},this._speedSampler.reset(),this._stashSize=this._stashInitialSize,this._createLoader(),this._loader.open(this._dataSource,i),this._onSeeked&&this._onSeeked()}},{key:"updateUrl",value:function(e){if(!e||"string"!=typeof e||0===e.length)throw new k("Url must be a non-empty string!");this._dataSource.url=e}},{key:"_expandBuffer",value:function(e){for(var t=this._stashSize;t+1048576<e;)t*=2;if((t+=1048576)!==this._bufferSize){var i=new ArrayBuffer(t);if(this._stashUsed>0){var n=new Uint8Array(this._stashBuffer,0,this._stashUsed);new Uint8Array(i,0,t).set(n,0)}this._stashBuffer=i,this._bufferSize=t}}},{key:"_normalizeSpeed",value:function(e){var t=this._speedNormalizeList,i=t.length-1,n=0,r=0,s=i;if(e<t[0])return t[0];for(;r<=s;){if((n=r+Math.floor((s-r)/2))===i||e>=t[n]&&e<t[n+1])return t[n];t[n]<e?r=n+1:s=n-1}}},{key:"_adjustStashSize",value:function(e){var t=0;(t=this._config.isLive||e<512?e:e>=512&&e<=1024?Math.floor(1.5*e):2*e)>8192&&(t=8192);var i=1024*t+1048576;this._bufferSize<i&&this._expandBuffer(i),this._stashSize=1024*t}},{key:"_dispatchChunks",value:function(e,t){return this._currentRange.to=t+e.byteLength-1,this._onDataArrival(e,t)}},{key:"_onURLRedirect",value:function(e){this._redirectedURL=e,this._onRedirect&&this._onRedirect(e)}},{key:"_onContentLengthKnown",value:function(e){e&&this._fullRequestFlag&&(this._totalLength=e,this._fullRequestFlag=!1)}},{key:"_onLoaderChunkArrival",value:function(e,t,i){if(!this._onDataArrival)throw new S("IOController: No existing consumer (onDataArrival) callback!");if(!this._paused){this._isEarlyEofReconnecting&&(this._isEarlyEofReconnecting=!1,this._onRecoveredEarlyEof&&this._onRecoveredEarlyEof()),this._speedSampler.addBytes(e.byteLength);var n=this._speedSampler.lastSecondKBps;if(0!==n){var r=this._normalizeSpeed(n);this._speedNormalized!==r&&(this._speedNormalized=r,this._adjustStashSize(r))}if(this._enableStash)if(0===this._stashUsed&&0===this._stashByteStart&&(this._stashByteStart=t),this._stashUsed+e.byteLength<=this._stashSize){new Uint8Array(this._stashBuffer,0,this._stashSize).set(new Uint8Array(e),this._stashUsed),this._stashUsed+=e.byteLength}else{var s=new Uint8Array(this._stashBuffer,0,this._bufferSize);if(this._stashUsed>0){var a=this._stashBuffer.slice(0,this._stashUsed),o=this._dispatchChunks(a,this._stashByteStart);if(o<a.byteLength){if(o>0){var h=new Uint8Array(a,o);s.set(h,0),this._stashUsed=h.byteLength,this._stashByteStart+=o}}else this._stashUsed=0,this._stashByteStart+=o;this._stashUsed+e.byteLength>this._bufferSize&&(this._expandBuffer(this._stashUsed+e.byteLength),s=new Uint8Array(this._stashBuffer,0,this._bufferSize)),s.set(new Uint8Array(e),this._stashUsed),this._stashUsed+=e.byteLength}else{var u=this._dispatchChunks(e,t);if(u<e.byteLength){var l=e.byteLength-u;l>this._bufferSize&&(this._expandBuffer(l),s=new Uint8Array(this._stashBuffer,0,this._bufferSize)),s.set(new Uint8Array(e,u),0),this._stashUsed+=l,this._stashByteStart=t+u}}}else if(0===this._stashUsed){var d=this._dispatchChunks(e,t);if(d<e.byteLength){var c=e.byteLength-d;c>this._bufferSize&&this._expandBuffer(c),new Uint8Array(this._stashBuffer,0,this._bufferSize).set(new Uint8Array(e,d),0),this._stashUsed+=c,this._stashByteStart=t+d}}else{this._stashUsed+e.byteLength>this._bufferSize&&this._expandBuffer(this._stashUsed+e.byteLength);var _=new Uint8Array(this._stashBuffer,0,this._bufferSize);_.set(new Uint8Array(e),this._stashUsed),this._stashUsed+=e.byteLength;var f=this._dispatchChunks(this._stashBuffer.slice(0,this._stashUsed),this._stashByteStart);if(f<this._stashUsed&&f>0){var m=new Uint8Array(this._stashBuffer,f);_.set(m,0)}this._stashUsed-=f,this._stashByteStart+=f}}}},{key:"_flushStashBuffer",value:function(e){if(this._stashUsed>0){var t=this._stashBuffer.slice(0,this._stashUsed),i=this._dispatchChunks(t,this._stashByteStart),n=t.byteLength-i;if(i<t.byteLength){if(!e){if(i>0){var r=new Uint8Array(this._stashBuffer,0,this._bufferSize),s=new Uint8Array(t,i);r.set(s,0),this._stashUsed=s.byteLength,this._stashByteStart+=i}return 0}f.w(this.TAG,"".concat(n," bytes unconsumed data remain when flush buffer, dropped"))}return this._stashUsed=0,this._stashByteStart=0,n}return 0}},{key:"_onLoaderComplete",value:function(e,t){this._flushStashBuffer(!0),this._onComplete&&this._onComplete(this._extraData)}},{key:"_onLoaderError",value:function(e,t){if(f.e(this.TAG,"Loader error, code = ".concat(t.code,", msg = ").concat(t.msg)),this._flushStashBuffer(!1),this._isEarlyEofReconnecting&&(this._isEarlyEofReconnecting=!1,e=R.UNRECOVERABLE_EARLY_EOF),e===R.EARLY_EOF){if(!this._config.isLive&&this._totalLength){var i=this._currentRange.to+1;return void(i<this._totalLength&&(f.w(this.TAG,"Connection lost, trying reconnect..."),this._isEarlyEofReconnecting=!0,this._internalSeek(i,!1)))}e=R.UNRECOVERABLE_EARLY_EOF}if(!this._onError)throw new E("IOException: "+t.msg);this._onError(e,t)}}]),e}(),G={enableWorker:!1,enableStashBuffer:!0,stashInitialSize:void 0,isLive:!1,lazyLoad:!0,lazyLoadMaxDuration:180,lazyLoadRecoverDuration:30,deferLoadAfterSourceOpen:!0,autoCleanupMaxBackwardDuration:180,autoCleanupMinBackwardDuration:120,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 V(){return Object.assign({},G)}var z=function(){function e(){a()(this,e)}return h()(e,null,[{key:"supportMSEH264Playback",value:function(){return window.MediaSource&&window.MediaSource.isTypeSupported('video/mp4; codecs="avc1.42E01E,mp4a.40.2"')}},{key:"supportNetworkStreamIO",value:function(){var e=new F({},V()),t=e.loaderType;return e.destroy(),"fetch-stream-loader"==t||"xhr-moz-chunked-loader"==t}},{key:"getNetworkLoaderTypeName",value:function(){var e=new F({},V()),t=e.loaderType;return e.destroy(),t}},{key:"supportNativeMediaPlayback",value:function(t){null==e.videoElement&&(e.videoElement=window.document.createElement("video"));var i=e.videoElement.canPlayType(t);return"probably"===i||"maybe"==i}},{key:"getFeatureList",value:function(){var t={mseFlvPlayback:!1,mseLiveFlvPlayback:!1,networkStreamIO:!1,networkLoaderName:"",nativeMP4H264Playback:!1,nativeWebmVP8Playback:!1,nativeWebmVP9Playback:!1};return t.mseFlvPlayback=e.supportMSEH264Playback(),t.networkStreamIO=e.supportNetworkStreamIO(),t.networkLoaderName=e.getNetworkLoaderTypeName(),t.mseLiveFlvPlayback=t.mseFlvPlayback&&t.networkStreamIO,t.nativeMP4H264Playback=e.supportNativeMediaPlayback('video/mp4; codecs="avc1.42001E, mp4a.40.2"'),t.nativeWebmVP8Playback=e.supportNativeMediaPlayback('video/webm; codecs="vp8.0, vorbis"'),t.nativeWebmVP9Playback=e.supportNativeMediaPlayback('video/webm; codecs="vp9"'),t}}]),e}(),j=z,K={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"},H=function(){function e(){a()(this,e)}return h()(e,null,[{key:"forceGlobalTag",get:function(){return f.FORCE_GLOBAL_TAG},set:function(t){f.FORCE_GLOBAL_TAG=t,e._notifyChange()}},{key:"globalTag",get:function(){return f.GLOBAL_TAG},set:function(t){f.GLOBAL_TAG=t,e._notifyChange()}},{key:"enableAll",get:function(){return f.ENABLE_VERBOSE&&f.ENABLE_DEBUG&&f.ENABLE_INFO&&f.ENABLE_WARN&&f.ENABLE_ERROR},set:function(t){f.ENABLE_VERBOSE=t,f.ENABLE_DEBUG=t,f.ENABLE_INFO=t,f.ENABLE_WARN=t,f.ENABLE_ERROR=t,e._notifyChange()}},{key:"enableDebug",get:function(){return f.ENABLE_DEBUG},set:function(t){f.ENABLE_DEBUG=t,e._notifyChange()}},{key:"enableVerbose",get:function(){return f.ENABLE_VERBOSE},set:function(t){f.ENABLE_VERBOSE=t,e._notifyChange()}},{key:"enableInfo",get:function(){return f.ENABLE_INFO},set:function(t){f.ENABLE_INFO=t,e._notifyChange()}},{key:"enableWarn",get:function(){return f.ENABLE_WARN},set:function(t){f.ENABLE_WARN=t,e._notifyChange()}},{key:"enableError",get:function(){return f.ENABLE_ERROR},set:function(t){f.ENABLE_ERROR=t,e._notifyChange()}},{key:"getConfig",value:function(){return{globalTag:f.GLOBAL_TAG,forceGlobalTag:f.FORCE_GLOBAL_TAG,enableVerbose:f.ENABLE_VERBOSE,enableDebug:f.ENABLE_DEBUG,enableInfo:f.ENABLE_INFO,enableWarn:f.ENABLE_WARN,enableError:f.ENABLE_ERROR,enableCallback:f.ENABLE_CALLBACK}}},{key:"applyConfig",value:function(e){f.GLOBAL_TAG=e.globalTag,f.FORCE_GLOBAL_TAG=e.forceGlobalTag,f.ENABLE_VERBOSE=e.enableVerbose,f.ENABLE_DEBUG=e.enableDebug,f.ENABLE_INFO=e.enableInfo,f.ENABLE_WARN=e.enableWarn,f.ENABLE_ERROR=e.enableError,f.ENABLE_CALLBACK=e.enableCallback}},{key:"_notifyChange",value:function(){var t=e.emitter;if(t.listenerCount("change")>0){var i=e.getConfig();t.emit("change",i)}}},{key:"registerListener",value:function(t){e.emitter.addListener("change",t)}},{key:"removeListener",value:function(t){e.emitter.removeListener("change",t)}},{key:"addLogListener",value:function(t){f.emitter.addListener("log",t),f.emitter.listenerCount("log")>0&&(f.ENABLE_CALLBACK=!0,e._notifyChange())}},{key:"removeLogListener",value:function(t){f.emitter.removeListener("log",t),0===f.emitter.listenerCount("log")&&(f.ENABLE_CALLBACK=!1,e._notifyChange())}}]),e}();H.emitter=new(c());var q=H,W=function(){function e(){a()(this,e),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}return h()(e,[{key:"isComplete",value:function(){var e=!1===this.hasAudio||!0===this.hasAudio&&null!=this.audioCodec&&null!=this.audioSampleRate&&null!=this.audioChannelCount,t=!1===this.hasVideo||!0===this.hasVideo&&null!=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;return null!=this.mimeType&&null!=this.duration&&null!=this.metadata&&null!=this.hasKeyframesIndex&&e&&t}},{key:"isSeekable",value:function(){return!0===this.hasKeyframesIndex}},{key:"getNearestKeyframe",value:function(e){if(null==this.keyframesIndex)return null;var t=this.keyframesIndex,i=this._search(t.times,e);return{index:i,milliseconds:t.times[i],fileposition:t.filepositions[i]}}},{key:"_search",value:function(e,t){var i=0,n=e.length-1,r=0,s=0,a=n;for(t<e[0]&&(i=0,s=a+1);s<=a;){if((r=s+Math.floor((a-s)/2))===n||t>=e[r]&&t<e[r+1]){i=r;break}e[r]<t?s=r+1:a=r-1}return i}}]),e}();function X(e,t,i){var n=e;if(t+i<n.length){for(;i--;)if(128!=(192&n[++t]))return!1;return!0}return!1}var Y,Z=function(e){for(var t=[],i=e,n=0,r=e.length;n<r;)if(i[n]<128)t.push(String.fromCharCode(i[n])),++n;else{if(i[n]<192);else if(i[n]<224){if(X(i,n,1)){var s=(31&i[n])<<6|63&i[n+1];if(s>=128){t.push(String.fromCharCode(65535&s)),n+=2;continue}}}else if(i[n]<240){if(X(i,n,2)){var a=(15&i[n])<<12|(63&i[n+1])<<6|63&i[n+2];if(a>=2048&&55296!=(63488&a)){t.push(String.fromCharCode(65535&a)),n+=3;continue}}}else if(i[n]<248&&X(i,n,3)){var o=(7&i[n])<<18|(63&i[n+1])<<12|(63&i[n+2])<<6|63&i[n+3];if(o>65536&&o<1114112){o-=65536,t.push(String.fromCharCode(o>>>10|55296)),t.push(String.fromCharCode(1023&o|56320)),n+=4;continue}}t.push(String.fromCharCode(65533)),++n}return t.join("")},Q=(Y=new ArrayBuffer(2),new DataView(Y).setInt16(0,256,!0),256===new Int16Array(Y)[0]),J=function(){function e(){a()(this,e)}return h()(e,null,[{key:"parseScriptData",value:function(t,i,n){var r={};try{var s=e.parseValue(t,i,n),a=e.parseValue(t,i+s.size,n-s.size);r[s.data]=a.data}catch(e){f.e("AMF",e.toString())}return r}},{key:"parseObject",value:function(t,i,n){if(n<3)throw new S("Data not enough when parse ScriptDataObject");var r=e.parseString(t,i,n),s=e.parseValue(t,i+r.size,n-r.size),a=s.objectEnd;return{data:{name:r.data,value:s.data},size:r.size+s.size,objectEnd:a}}},{key:"parseVariable",value:function(t,i,n){return e.parseObject(t,i,n)}},{key:"parseString",value:function(e,t,i){if(i<2)throw new S("Data not enough when parse String");var n=new DataView(e,t,i).getUint16(0,!Q);return{data:n>0?Z(new Uint8Array(e,t+2,n)):"",size:2+n}}},{key:"parseLongString",value:function(e,t,i){if(i<4)throw new S("Data not enough when parse LongString");var n=new DataView(e,t,i).getUint32(0,!Q);return{data:n>0?Z(new Uint8Array(e,t+4,n)):"",size:4+n}}},{key:"parseDate",value:function(e,t,i){if(i<10)throw new S("Data size invalid when parse Date");var n=new DataView(e,t,i),r=n.getFloat64(0,!Q),s=n.getInt16(8,!Q);return{data:new Date(r+=60*s*1e3),size:10}}},{key:"parseValue",value:function(t,i,n){if(n<1)throw new S("Data not enough when parse Value");var r,s=new DataView(t,i,n),a=1,o=s.getUint8(0),h=!1;try{switch(o){case 0:r=s.getFloat64(1,!Q),a+=8;break;case 1:r=!!s.getUint8(1),a+=1;break;case 2:var u=e.parseString(t,i+1,n-1);r=u.data,a+=u.size;break;case 3:r={};var l=0;for(9==(16777215&s.getUint32(n-4,!Q))&&(l=3);a<n-4;){var d=e.parseObject(t,i+a,n-a-l);if(d.objectEnd)break;r[d.data.name]=d.data.value,a+=d.size}if(a<=n-3)9===(16777215&s.getUint32(a-1,!Q))&&(a+=3);break;case 8:r={},a+=4;var c=0;for(9==(16777215&s.getUint32(n-4,!Q))&&(c=3);a<n-8;){var _=e.parseVariable(t,i+a,n-a-c);if(_.objectEnd)break;r[_.data.name]=_.data.value,a+=_.size}if(a<=n-3)9===(16777215&s.getUint32(a-1,!Q))&&(a+=3);break;case 9:r=void 0,a=1,h=!0;break;case 10:r=[];var m=s.getUint32(1,!Q);a+=4;for(var v=0;v<m;v++){var p=e.parseValue(t,i+a,n-a);r.push(p.data),a+=p.size}break;case 11:var g=e.parseDate(t,i+1,n-1);r=g.data,a+=g.size;break;case 12:var y=e.parseString(t,i+1,n-1);r=y.data,a+=y.size;break;default:a=n,f.w("AMF","Unsupported AMF value type "+o)}}catch(e){f.e("AMF",e.toString())}return{data:r,size:a,objectEnd:h}}}]),e}(),$=function(){function e(t){a()(this,e),this.TAG="ExpGolomb",this._buffer=t,this._buffer_index=0,this._total_bytes=t.byteLength,this._total_bits=8*t.byteLength,this._current_word=0,this._current_word_bits_left=0}return h()(e,[{key:"destroy",value:function(){this._buffer=null}},{key:"_fillCurrentWord",value:function(){var e=this._total_bytes-this._buffer_index;if(e<=0)throw new S("ExpGolomb: _fillCurrentWord() but no bytes available");var t=Math.min(4,e),i=new Uint8Array(4);i.set(this._buffer.subarray(this._buffer_index,this._buffer_index+t)),this._current_word=new DataView(i.buffer).getUint32(0,!1),this._buffer_index+=t,this._current_word_bits_left=8*t}},{key:"readBits",value:function(e){if(e>32)throw new k("ExpGolomb: readBits() bits exceeded max 32bits!");if(e<=this._current_word_bits_left){var t=this._current_word>>>32-e;return this._current_word<<=e,this._current_word_bits_left-=e,t}var i=this._current_word_bits_left?this._current_word:0;i>>>=32-this._current_word_bits_left;var n=e-this._current_word_bits_left;this._fillCurrentWord();var r=Math.min(n,this._current_word_bits_left),s=this._current_word>>>32-r;return this._current_word<<=r,this._current_word_bits_left-=r,i=i<<r|s}},{key:"readBool",value:function(){return 1===this.readBits(1)}},{key:"readByte",value:function(){return this.readBits(8)}},{key:"_skipLeadingZero",value:function(){var e;for(e=0;e<this._current_word_bits_left;e++)if(0!=(this._current_word&2147483648>>>e))return this._current_word<<=e,this._current_word_bits_left-=e,e;return this._fillCurrentWord(),e+this._skipLeadingZero()}},{key:"readUEG",value:function(){var e=this._skipLeadingZero();return this.readBits(e+1)-1}},{key:"readSEG",value:function(){var e=this.readUEG();return 1&e?e+1>>>1:-1*(e>>>1)}}]),e}(),ee=function(){function e(){a()(this,e)}return h()(e,null,[{key:"_ebsp2rbsp",value:function(e){for(var t=e,i=t.byteLength,n=new Uint8Array(i),r=0,s=0;s<i;s++)s>=2&&3===t[s]&&0===t[s-1]&&0===t[s-2]||(n[r]=t[s],r++);return new Uint8Array(n.buffer,0,r)}},{key:"parseSPS",value:function(t){var i=e._ebsp2rbsp(t),n=new $(i);n.readByte();var r=n.readByte();n.readByte();var s=n.readByte();n.readUEG();var a=e.getProfileString(r),o=e.getLevelString(s),h=1,u=420,l=8;if((100===r||110===r||122===r||244===r||44===r||83===r||86===r||118===r||128===r||138===r||144===r)&&(3===(h=n.readUEG())&&n.readBits(1),h<=3&&(u=[0,420,422,444][h]),l=n.readUEG()+8,n.readUEG(),n.readBits(1),n.readBool()))for(var d=3!==h?8:12,c=0;c<d;c++)n.readBool()&&(c<6?e._skipScalingList(n,16):e._skipScalingList(n,64));n.readUEG();var _=n.readUEG();if(0===_)n.readUEG();else if(1===_){n.readBits(1),n.readSEG(),n.readSEG();for(var f=n.readUEG(),m=0;m<f;m++)n.readSEG()}var v=n.readUEG();n.readBits(1);var p=n.readUEG(),g=n.readUEG(),y=n.readBits(1);0===y&&n.readBits(1),n.readBits(1);var E=0,S=0,k=0,A=0;n.readBool()&&(E=n.readUEG(),S=n.readUEG(),k=n.readUEG(),A=n.readUEG());var b=1,R=1,L=0,w=!0,T=0,C=0;if(n.readBool()){if(n.readBool()){var I=n.readByte();I>0&&I<16?(b=[1,12,10,16,40,24,20,32,80,18,15,64,160,4,3,2][I-1],R=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1][I-1]):255===I&&(b=n.readByte()<<8|n.readByte(),R=n.readByte()<<8|n.readByte())}if(n.readBool()&&n.readBool(),n.readBool()&&(n.readBits(4),n.readBool()&&n.readBits(24)),n.readBool()&&(n.readUEG(),n.readUEG()),n.readBool()){var D=n.readBits(32),O=n.readBits(32);w=n.readBool(),L=(T=O)/(C=2*D)}}var M=1;1===b&&1===R||(M=b/R);var B=0,x=0;0===h?(B=1,x=2-y):(B=3===h?1:2,x=(1===h?2:1)*(2-y));var U=16*(p+1),N=16*(g+1)*(2-y);U-=(E+S)*B,N-=(k+A)*x;var P=Math.ceil(U*M);return n.destroy(),n=null,{profile_string:a,level_string:o,bit_depth:l,ref_frames:v,chroma_format:u,chroma_format_string:e.getChromaFormatString(u),frame_rate:{fixed:w,fps:L,fps_den:C,fps_num:T},sar_ratio:{width:b,height:R},codec_size:{width:U,height:N},present_size:{width:P,height:N}}}},{key:"_skipScalingList",value:function(e,t){for(var i=8,n=8,r=0;r<t;r++)0!==n&&(n=(i+e.readSEG()+256)%256),i=0===n?i:n}},{key:"getProfileString",value:function(e){switch(e){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"}}},{key:"getLevelString",value:function(e){return(e/10).toFixed(1)}},{key:"getChromaFormatString",value:function(e){switch(e){case 420:return"4:2:0";case 422:return"4:2:2";case 444:return"4:4:4";default:return"Unknown"}}}]),e}(),te={OK:"OK",FORMAT_ERROR:"FormatError",FORMAT_UNSUPPORTED:"FormatUnsupported",CODEC_UNSUPPORTED:"CodecUnsupported"};var ie=function(){function e(t,i){a()(this,e),this.TAG="FLVDemuxer",this._config=i,this._onError=null,this._onMediaInfo=null,this._onMetaDataArrived=null,this._onScriptDataArrived=null,this._onTrackMetadata=null,this._onDataAvailable=null,this._dataOffset=t.dataOffset,this._firstParse=!0,this._dispatch=!1,this._hasAudio=t.hasAudioTrack,this._hasVideo=t.hasVideoTrack,this._hasAudioFlagOverrided=!1,this._hasVideoFlagOverrided=!1,this._audioInitialMetadataDispatched=!1,this._videoInitialMetadataDispatched=!1,this._mediaInfo=new W,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(){var e=new ArrayBuffer(2);return new DataView(e).setInt16(0,256,!0),256===new Int16Array(e)[0]}()}return h()(e,[{key:"destroy",value:function(){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}},{key:"bindDataSource",value:function(e){return e.onDataArrival=this.parseChunks.bind(this),this}},{key:"onTrackMetadata",get:function(){return this._onTrackMetadata},set:function(e){this._onTrackMetadata=e}},{key:"onMediaInfo",get:function(){return this._onMediaInfo},set:function(e){this._onMediaInfo=e}},{key:"onMetaDataArrived",get:function(){return this._onMetaDataArrived},set:function(e){this._onMetaDataArrived=e}},{key:"onScriptDataArrived",get:function(){return this._onScriptDataArrived},set:function(e){this._onScriptDataArrived=e}},{key:"onError",get:function(){return this._onError},set:function(e){this._onError=e}},{key:"onDataAvailable",get:function(){return this._onDataAvailable},set:function(e){this._onDataAvailable=e}},{key:"timestampBase",get:function(){return this._timestampBase},set:function(e){this._timestampBase=e}},{key:"overridedDuration",get:function(){return this._duration},set:function(e){this._durationOverrided=!0,this._duration=e,this._mediaInfo.duration=e}},{key:"overridedHasAudio",set:function(e){this._hasAudioFlagOverrided=!0,this._hasAudio=e,this._mediaInfo.hasAudio=e}},{key:"overridedHasVideo",set:function(e){this._hasVideoFlagOverrided=!0,this._hasVideo=e,this._mediaInfo.hasVideo=e}},{key:"resetMediaInfo",value:function(){this._mediaInfo=new W}},{key:"_isInitialMetadataDispatched",value:function(){return this._hasAudio&&this._hasVideo?this._audioInitialMetadataDispatched&&this._videoInitialMetadataDispatched:this._hasAudio&&!this._hasVideo?this._audioInitialMetadataDispatched:!(this._hasAudio||!this._hasVideo)&&this._videoInitialMetadataDispatched}},{key:"parseChunks",value:function(t,i){if(!(this._onError&&this._onMediaInfo&&this._onTrackMetadata&&this._onDataAvailable))throw new S("Flv: onError & onMediaInfo & onTrackMetadata & onDataAvailable callback must be specified");var n=0,r=this._littleEndian;if(0===i){if(!(t.byteLength>13))return 0;n=e.probe(t).dataOffset}this._firstParse&&(this._firstParse=!1,i+n!==this._dataOffset&&f.w(this.TAG,"First time parsing but chunk byteStart invalid!"),0!==new DataView(t,n).getUint32(0,!r)&&f.w(this.TAG,"PrevTagSize0 !== 0 !!!"),n+=4);for(;n<t.byteLength;){this._dispatch=!0;var s=new DataView(t,n);if(n+11+4>t.byteLength)break;var a=s.getUint8(0),o=16777215&s.getUint32(0,!r);if(n+11+o+4>t.byteLength)break;if(8===a||9===a||18===a){var h=s.getUint8(4),u=s.getUint8(5),l=s.getUint8(6)|u<<8|h<<16|s.getUint8(7)<<24;0!==(16777215&s.getUint32(7,!r))&&f.w(this.TAG,"Meet tag which has StreamID != 0!");var d=n+11;switch(a){case 8:this._parseAudioData(t,d,o,l);break;case 9:this._parseVideoData(t,d,o,l,i+n);break;case 18:this._parseScriptData(t,d,o)}var c=s.getUint32(11+o,!r);c!==11+o&&f.w(this.TAG,"Invalid PrevTagSize ".concat(c)),n+=11+o+4}else f.w(this.TAG,"Unsupported tag type ".concat(a,", skipped")),n+=11+o+4}return this._isInitialMetadataDispatched()&&this._dispatch&&(this._audioTrack.length||this._videoTrack.length)&&this._onDataAvailable(this._audioTrack,this._videoTrack),n}},{key:"_parseScriptData",value:function(e,t,i){var n=J.parseScriptData(e,t,i);if(n.hasOwnProperty("onMetaData")){if(null==n.onMetaData||"object"!==r()(n.onMetaData))return void f.w(this.TAG,"Invalid onMetaData structure!");this._metadata&&f.w(this.TAG,"Found another onMetaData tag!"),this._metadata=n;var s=this._metadata.onMetaData;if(this._onMetaDataArrived&&this._onMetaDataArrived(Object.assign({},s)),"boolean"==typeof s.hasAudio&&!1===this._hasAudioFlagOverrided&&(this._hasAudio=s.hasAudio,this._mediaInfo.hasAudio=this._hasAudio),"boolean"==typeof s.hasVideo&&!1===this._hasVideoFlagOverrided&&(this._hasVideo=s.hasVideo,this._mediaInfo.hasVideo=this._hasVideo),"number"==typeof s.audiodatarate&&(this._mediaInfo.audioDataRate=s.audiodatarate),"number"==typeof s.videodatarate&&(this._mediaInfo.videoDataRate=s.videodatarate),"number"==typeof s.width&&(this._mediaInfo.width=s.width),"number"==typeof s.height&&(this._mediaInfo.height=s.height),"number"==typeof s.duration){if(!this._durationOverrided){var a=Math.floor(s.duration*this._timescale);this._duration=a,this._mediaInfo.duration=a}}else this._mediaInfo.duration=0;if("number"==typeof s.framerate){var o=Math.floor(1e3*s.framerate);if(o>0){var h=o/1e3;this._referenceFrameRate.fixed=!0,this._referenceFrameRate.fps=h,this._referenceFrameRate.fps_num=o,this._referenceFrameRate.fps_den=1e3,this._mediaInfo.fps=h}}if("object"===r()(s.keyframes)){this._mediaInfo.hasKeyframesIndex=!0;var u=s.keyframes;this._mediaInfo.keyframesIndex=this._parseKeyframesIndex(u),s.keyframes=null}else this._mediaInfo.hasKeyframesIndex=!1;this._dispatch=!1,this._mediaInfo.metadata=s,f.v(this.TAG,"Parsed onMetaData"),this._mediaInfo.isComplete()&&this._onMediaInfo(this._mediaInfo)}Object.keys(n).length>0&&this._onScriptDataArrived&&this._onScriptDataArrived(Object.assign({},n))}},{key:"_parseKeyframesIndex",value:function(e){for(var t=[],i=[],n=1;n<e.times.length;n++){var r=this._timestampBase+Math.floor(1e3*e.times[n]);t.push(r),i.push(e.filepositions[n])}return{times:t,filepositions:i}}},{key:"_parseAudioData",value:function(e,t,i,n){if(i<=1)f.w(this.TAG,"Flv: Invalid audio packet, missing SoundData payload!");else if(!0!==this._hasAudioFlagOverrided||!1!==this._hasAudio){this._littleEndian;var r=new DataView(e,t,i).getUint8(0),s=r>>>4;if(2===s||10===s){var a=0,o=(12&r)>>>2;if(o>=0&&o<=4){a=this._flvSoundRateTable[o];var h=1&r,u=this._audioMetadata,l=this._audioTrack;if(u||(!1===this._hasAudio&&!1===this._hasAudioFlagOverrided&&(this._hasAudio=!0,this._mediaInfo.hasAudio=!0),(u=this._audioMetadata={}).type="audio",u.id=l.id,u.timescale=this._timescale,u.duration=this._duration,u.audioSampleRate=a,u.channelCount=0===h?1:2),10===s){var d=this._parseAACAudioData(e,t+1,i-1);if(null==d)return;if(0===d.packetType){u.config&&f.w(this.TAG,"Found another AudioSpecificConfig!");var c=d.data;u.audioSampleRate=c.samplingRate,u.channelCount=c.channelCount,u.codec=c.codec,u.originalCodec=c.originalCodec,u.config=c.config,u.refSampleDuration=1024/u.audioSampleRate*u.timescale,f.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",u);var _=this._mediaInfo;_.audioCodec=u.originalCodec,_.audioSampleRate=u.audioSampleRate,_.audioChannelCount=u.channelCount,_.hasVideo?null!=_.videoCodec&&(_.mimeType='video/x-flv; codecs="'+_.videoCodec+","+_.audioCodec+'"'):_.mimeType='video/x-flv; codecs="'+_.audioCodec+'"',_.isComplete()&&this._onMediaInfo(_)}else if(1===d.packetType){var m=this._timestampBase+n,v={unit:d.data,length:d.data.byteLength,dts:m,pts:m};l.samples.push(v),l.length+=d.data.length}else f.e(this.TAG,"Flv: Unsupported AAC data type ".concat(d.packetType))}else if(2===s){if(!u.codec){var p=this._parseMP3AudioData(e,t+1,i-1,!0);if(null==p)return;u.audioSampleRate=p.samplingRate,u.channelCount=p.channelCount,u.codec=p.codec,u.originalCodec=p.originalCodec,u.refSampleDuration=1152/u.audioSampleRate*u.timescale,f.v(this.TAG,"Parsed MPEG Audio Frame Header"),this._audioInitialMetadataDispatched=!0,this._onTrackMetadata("audio",u);var g=this._mediaInfo;g.audioCodec=u.codec,g.audioSampleRate=u.audioSampleRate,g.audioChannelCount=u.channelCount,g.audioDataRate=p.bitRate,g.hasVideo?null!=g.videoCodec&&(g.mimeType='video/x-flv; codecs="'+g.videoCodec+","+g.audioCodec+'"'):g.mimeType='video/x-flv; codecs="'+g.audioCodec+'"',g.isComplete()&&this._onMediaInfo(g)}var y=this._parseMP3AudioData(e,t+1,i-1,!1);if(null==y)return;var E=this._timestampBase+n,S={unit:y,length:y.byteLength,dts:E,pts:E};l.samples.push(S),l.length+=y.length}}else this._onError(te.FORMAT_ERROR,"Flv: Invalid audio sample rate idx: "+o)}else this._onError(te.CODEC_UNSUPPORTED,"Flv: Unsupported audio codec idx: "+s)}}},{key:"_parseAACAudioData",value:function(e,t,i){if(!(i<=1)){var n={},r=new Uint8Array(e,t,i);return n.packetType=r[0],0===r[0]?n.data=this._parseAACAudioSpecificConfig(e,t+1,i-1):n.data=r.subarray(1),n}f.w(this.TAG,"Flv: Invalid AAC packet, missing AACPacketType or/and Data!")}},{key:"_parseAACAudioSpecificConfig",value:function(e,t,i){var n,r,s=new Uint8Array(e,t,i),a=null,o=0,h=null;if(o=n=s[0]>>>3,(r=(7&s[0])<<1|s[1]>>>7)<0||r>=this._mpegSamplingRates.length)this._onError(te.FORMAT_ERROR,"Flv: AAC invalid sampling frequency index!");else{var u=this._mpegSamplingRates[r],l=(120&s[1])>>>3;if(!(l<0||l>=8)){5===o&&(h=(7&s[1])<<1|s[2]>>>7,(124&s[2])>>>2);var d=self.navigator.userAgent.toLowerCase();return-1!==d.indexOf("firefox")?r>=6?(o=5,a=new Array(4),h=r-3):(o=2,a=new Array(2),h=r):-1!==d.indexOf("android")?(o=2,a=new Array(2),h=r):(o=5,h=r,a=new Array(4),r>=6?h=r-3:1===l&&(o=2,a=new Array(2),h=r)),a[0]=o<<3,a[0]|=(15&r)>>>1,a[1]=(15&r)<<7,a[1]|=(15&l)<<3,5===o&&(a[1]|=(15&h)>>>1,a[2]=(1&h)<<7,a[2]|=8,a[3]=0),{config:a,samplingRate:u,channelCount:l,codec:"mp4a.40."+o,originalCodec:"mp4a.40."+n}}this._onError(te.FORMAT_ERROR,"Flv: AAC invalid channel configuration")}}},{key:"_parseMP3AudioData",value:function(e,t,i,n){if(!(i<4)){this._littleEndian;var r=new Uint8Array(e,t,i),s=null;if(n){if(255!==r[0])return;var a=r[1]>>>3&3,o=(6&r[1])>>1,h=(240&r[2])>>>4,u=(12&r[2])>>>2,l=3!==(r[3]>>>6&3)?2:1,d=0,c=0;switch(a){case 0:d=this._mpegAudioV25SampleRateTable[u];break;case 2:d=this._mpegAudioV20SampleRateTable[u];break;case 3:d=this._mpegAudioV10SampleRateTable[u]}switch(o){case 1:34,h<this._mpegAudioL3BitRateTable.length&&(c=this._mpegAudioL3BitRateTable[h]);break;case 2:33,h<this._mpegAudioL2BitRateTable.length&&(c=this._mpegAudioL2BitRateTable[h]);break;case 3:32,h<this._mpegAudioL1BitRateTable.length&&(c=this._mpegAudioL1BitRateTable[h])}s={bitRate:c,samplingRate:d,channelCount:l,codec:"mp3",originalCodec:"mp3"}}else s=r;return s}f.w(this.TAG,"Flv: Invalid MP3 packet, header missing!")}},{key:"_parseVideoData",value:function(e,t,i,n,r){if(i<=1)f.w(this.TAG,"Flv: Invalid video packet, missing VideoData payload!");else if(!0!==this._hasVideoFlagOverrided||!1!==this._hasVideo){var s=new Uint8Array(e,t,i)[0],a=(240&s)>>>4,o=15&s;7===o?this._parseAVCVideoPacket(e,t+1,i-1,n,r,a):this._onError(te.CODEC_UNSUPPORTED,"Flv: Unsupported codec in video frame: ".concat(o))}}},{key:"_parseAVCVideoPacket",value:function(e,t,i,n,r,s){if(i<4)f.w(this.TAG,"Flv: Invalid AVC packet, missing AVCPacketType or/and CompositionTime");else{var a=this._littleEndian,o=new DataView(e,t,i),h=o.getUint8(0),u=(16777215&o.getUint32(0,!a))<<8>>8;if(0===h)this._parseAVCDecoderConfigurationRecord(e,t+4,i-4);else if(1===h)this._parseAVCVideoData(e,t+4,i-4,n,r,s,u);else if(2!==h)return void this._onError(te.FORMAT_ERROR,"Flv: Invalid video packet type ".concat(h))}}},{key:"_parseAVCDecoderConfigurationRecord",value:function(e,t,i){if(i<7)f.w(this.TAG,"Flv: Invalid AVCDecoderConfigurationRecord, lack of data!");else{var n=this._videoMetadata,r=this._videoTrack,s=this._littleEndian,a=new DataView(e,t,i);n?void 0!==n.avcc&&f.w(this.TAG,"Found another AVCDecoderConfigurationRecord!"):(!1===this._hasVideo&&!1===this._hasVideoFlagOverrided&&(this._hasVideo=!0,this._mediaInfo.hasVideo=!0),(n=this._videoMetadata={}).type="video",n.id=r.id,n.timescale=this._timescale,n.duration=this._duration);var o=a.getUint8(0),h=a.getUint8(1);a.getUint8(2),a.getUint8(3);if(1===o&&0!==h)if(this._naluLengthSize=1+(3&a.getUint8(4)),3===this._naluLengthSize||4===this._naluLengthSize){var u=31&a.getUint8(5);if(0!==u){u>1&&f.w(this.TAG,"Flv: Strange AVCDecoderConfigurationRecord: SPS Count = ".concat(u));for(var l=6,d=0;d<u;d++){var c=a.getUint16(l,!s);if(l+=2,0!==c){var _=new Uint8Array(e,t+l,c);l+=c;var m=ee.parseSPS(_);if(0===d){n.codecWidth=m.codec_size.width,n.codecHeight=m.codec_size.height,n.presentWidth=m.present_size.width,n.presentHeight=m.present_size.height,n.profile=m.profile_string,n.level=m.level_string,n.bitDepth=m.bit_depth,n.chromaFormat=m.chroma_format,n.sarRatio=m.sar_ratio,n.frameRate=m.frame_rate,!1!==m.frame_rate.fixed&&0!==m.frame_rate.fps_num&&0!==m.frame_rate.fps_den||(n.frameRate=this._referenceFrameRate);var v=n.frameRate.fps_den,p=n.frameRate.fps_num;n.refSampleDuration=n.timescale*(v/p);for(var g=_.subarray(1,4),y="avc1.",E=0;E<3;E++){var S=g[E].toString(16);S.length<2&&(S="0"+S),y+=S}n.codec=y;var k=this._mediaInfo;k.width=n.codecWidth,k.height=n.codecHeight,k.fps=n.frameRate.fps,k.profile=n.profile,k.level=n.level,k.refFrames=m.ref_frames,k.chromaFormat=m.chroma_format_string,k.sarNum=n.sarRatio.width,k.sarDen=n.sarRatio.height,k.videoCodec=y,k.hasAudio?null!=k.audioCodec&&(k.mimeType='video/x-flv; codecs="'+k.videoCodec+","+k.audioCodec+'"'):k.mimeType='video/x-flv; codecs="'+k.videoCodec+'"',k.isComplete()&&this._onMediaInfo(k)}}}var A=a.getUint8(l);if(0!==A){A>1&&f.w(this.TAG,"Flv: Strange AVCDecoderConfigurationRecord: PPS Count = ".concat(A)),l++;for(var b=0;b<A;b++){var R=a.getUint16(l,!s);l+=2,0!==R&&(l+=R)}n.avcc=new Uint8Array(i),n.avcc.set(new Uint8Array(e,t,i),0),f.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",n)}else this._onError(te.FORMAT_ERROR,"Flv: Invalid AVCDecoderConfigurationRecord: No PPS")}else this._onError(te.FORMAT_ERROR,"Flv: Invalid AVCDecoderConfigurationRecord: No SPS")}else this._onError(te.FORMAT_ERROR,"Flv: Strange NaluLengthSizeMinusOne: ".concat(this._naluLengthSize-1));else this._onError(te.FORMAT_ERROR,"Flv: Invalid AVCDecoderConfigurationRecord")}}},{key:"_parseAVCVideoData",value:function(e,t,i,n,r,s,a){for(var o=this._littleEndian,h=new DataView(e,t,i),u=[],l=0,d=0,c=this._naluLengthSize,_=this._timestampBase+n,m=1===s;d<i;){if(d+4>=i){f.w(this.TAG,"Malformed Nalu near timestamp ".concat(_,", offset = ").concat(d,", dataSize = ").concat(i));break}var v=h.getUint32(d,!o);if(3===c&&(v>>>=8),v>i-c)return void f.w(this.TAG,"Malformed Nalus near timestamp ".concat(_,", NaluSize > DataSize!"));var p=31&h.getUint8(d+c);5===p&&(m=!0);var g=new Uint8Array(e,t+d,c+v),y={type:p,data:g};u.push(y),l+=g.byteLength,d+=c+v}if(u.length){var E=this._videoTrack,S={units:u,length:l,isKeyframe:m,dts:_,cts:a,pts:_+a};m&&(S.fileposition=r),E.samples.push(S),E.length+=l}}}],[{key:"probe",value:function(e){var t=new Uint8Array(e),i={match:!1};if(70!==t[0]||76!==t[1]||86!==t[2]||1!==t[3])return i;var n,r,s=(4&t[4])>>>2!=0,a=0!=(1&t[4]),o=(n=t)[r=5]<<24|n[r+1]<<16|n[r+2]<<8|n[r+3];return o<9?i:{match:!0,consumed:o,dataOffset:o,hasAudioTrack:s,hasVideoTrack:a}}}]),e}(),ne=ie,re=function(){function e(){a()(this,e)}return h()(e,null,[{key:"init",value:function(){for(var t in e.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":[]},e.types)e.types.hasOwnProperty(t)&&(e.types[t]=[t.charCodeAt(0),t.charCodeAt(1),t.charCodeAt(2),t.charCodeAt(3)]);var i=e.constants={};i.FTYP=new Uint8Array([105,115,111,109,0,0,0,1,105,115,111,109,97,118,99,49]),i.STSD_PREFIX=new Uint8Array([0,0,0,0,0,0,0,1]),i.STTS=new Uint8Array([0,0,0,0,0,0,0,0]),i.STSC=i.STCO=i.STTS,i.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),i.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]),i.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]),i.DREF=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),i.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),i.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0])}},{key:"box",value:function(e){for(var t=8,i=null,n=Array.prototype.slice.call(arguments,1),r=n.length,s=0;s<r;s++)t+=n[s].byteLength;(i=new Uint8Array(t))[0]=t>>>24&255,i[1]=t>>>16&255,i[2]=t>>>8&255,i[3]=255&t,i.set(e,4);for(var a=8,o=0;o<r;o++)i.set(n[o],a),a+=n[o].byteLength;return i}},{key:"generateInitSegment",value:function(t){var i=e.box(e.types.ftyp,e.constants.FTYP),n=e.moov(t),r=new Uint8Array(i.byteLength+n.byteLength);return r.set(i,0),r.set(n,i.byteLength),r}},{key:"moov",value:function(t){var i=e.mvhd(t.timescale,t.duration),n=e.trak(t),r=e.mvex(t);return e.box(e.types.moov,i,n,r)}},{key:"mvhd",value:function(t,i){return e.box(e.types.mvhd,new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,255&t,i>>>24&255,i>>>16&255,i>>>8&255,255&i,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]))}},{key:"trak",value:function(t){return e.box(e.types.trak,e.tkhd(t),e.mdia(t))}},{key:"tkhd",value:function(t){var i=t.id,n=t.duration,r=t.presentWidth,s=t.presentHeight;return e.box(e.types.tkhd,new Uint8Array([0,0,0,7,0,0,0,0,0,0,0,0,i>>>24&255,i>>>16&255,i>>>8&255,255&i,0,0,0,0,n>>>24&255,n>>>16&255,n>>>8&255,255&n,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,r>>>8&255,255&r,0,0,s>>>8&255,255&s,0,0]))}},{key:"mdia",value:function(t){return e.box(e.types.mdia,e.mdhd(t),e.hdlr(t),e.minf(t))}},{key:"mdhd",value:function(t){var i=t.timescale,n=t.duration;return e.box(e.types.mdhd,new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0,i>>>24&255,i>>>16&255,i>>>8&255,255&i,n>>>24&255,n>>>16&255,n>>>8&255,255&n,85,196,0,0]))}},{key:"hdlr",value:function(t){var i=null;return i="audio"===t.type?e.constants.HDLR_AUDIO:e.constants.HDLR_VIDEO,e.box(e.types.hdlr,i)}},{key:"minf",value:function(t){var i=null;return i="audio"===t.type?e.box(e.types.smhd,e.constants.SMHD):e.box(e.types.vmhd,e.constants.VMHD),e.box(e.types.minf,i,e.dinf(),e.stbl(t))}},{key:"dinf",value:function(){return e.box(e.types.dinf,e.box(e.types.dref,e.constants.DREF))}},{key:"stbl",value:function(t){return e.box(e.types.stbl,e.stsd(t),e.box(e.types.stts,e.constants.STTS),e.box(e.types.stsc,e.constants.STSC),e.box(e.types.stsz,e.constants.STSZ),e.box(e.types.stco,e.constants.STCO))}},{key:"stsd",value:function(t){return"audio"===t.type?"mp3"===t.codec?e.box(e.types.stsd,e.constants.STSD_PREFIX,e.mp3(t)):e.box(e.types.stsd,e.constants.STSD_PREFIX,e.mp4a(t)):e.box(e.types.stsd,e.constants.STSD_PREFIX,e.avc1(t))}},{key:"mp3",value:function(t){var i=t.channelCount,n=t.audioSampleRate,r=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,i,0,16,0,0,0,0,n>>>8&255,255&n,0,0]);return e.box(e.types[".mp3"],r)}},{key:"mp4a",value:function(t){var i=t.channelCount,n=t.audioSampleRate,r=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,i,0,16,0,0,0,0,n>>>8&255,255&n,0,0]);return e.box(e.types.mp4a,r,e.esds(t))}},{key:"esds",value:function(t){var i=t.config||[],n=i.length,r=new Uint8Array([0,0,0,0,3,23+n,0,1,0,4,15+n,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([n]).concat(i).concat([6,1,2]));return e.box(e.types.esds,r)}},{key:"avc1",value:function(t){var i=t.avcc,n=t.codecWidth,r=t.codecHeight,s=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,n>>>8&255,255&n,r>>>8&255,255&r,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 e.box(e.types.avc1,s,e.box(e.types.avcC,i))}},{key:"mvex",value:function(t){return e.box(e.types.mvex,e.trex(t))}},{key:"trex",value:function(t){var i=t.id,n=new Uint8Array([0,0,0,0,i>>>24&255,i>>>16&255,i>>>8&255,255&i,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]);return e.box(e.types.trex,n)}},{key:"moof",value:function(t,i){return e.box(e.types.moof,e.mfhd(t.sequenceNumber),e.traf(t,i))}},{key:"mfhd",value:function(t){var i=new Uint8Array([0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,255&t]);return e.box(e.types.mfhd,i)}},{key:"traf",value:function(t,i){var n=t.id,r=e.box(e.types.tfhd,new Uint8Array([0,0,0,0,n>>>24&255,n>>>16&255,n>>>8&255,255&n])),s=e.box(e.types.tfdt,new Uint8Array([0,0,0,0,i>>>24&255,i>>>16&255,i>>>8&255,255&i])),a=e.sdtp(t),o=e.trun(t,a.byteLength+16+16+8+16+8+8);return e.box(e.types.traf,r,s,o,a)}},{key:"sdtp",value:function(t){for(var i=t.samples||[],n=i.length,r=new Uint8Array(4+n),s=0;s<n;s++){var a=i[s].flags;r[s+4]=a.isLeading<<6|a.dependsOn<<4|a.isDependedOn<<2|a.hasRedundancy}return e.box(e.types.sdtp,r)}},{key:"trun",value:function(t,i){var n=t.samples||[],r=n.length,s=12+16*r,a=new Uint8Array(s);i+=8+s,a.set([0,0,15,1,r>>>24&255,r>>>16&255,r>>>8&255,255&r,i>>>24&255,i>>>16&255,i>>>8&255,255&i],0);for(var o=0;o<r;o++){var h=n[o].duration,u=n[o].size,l=n[o].flags,d=n[o].cts;a.set([h>>>24&255,h>>>16&255,h>>>8&255,255&h,u>>>24&255,u>>>16&255,u>>>8&255,255&u,l.isLeading<<2|l.dependsOn,l.isDependedOn<<6|l.hasRedundancy<<4|l.isNonSync,0,0,d>>>24&255,d>>>16&255,d>>>8&255,255&d],12+16*o)}return e.box(e.types.trun,a)}},{key:"mdat",value:function(t){return e.box(e.types.mdat,t)}}]),e}();re.init();var se=re,ae=function(){function e(){a()(this,e)}return h()(e,null,[{key:"getSilentFrame",value:function(e,t){if("mp4a.40.2"===e){if(1===t)return new Uint8Array([0,200,0,128,35,128]);if(2===t)return new Uint8Array([33,0,73,144,2,25,0,35,128]);if(3===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,142]);if(4===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,128,44,128,8,2,56]);if(5===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,56]);if(6===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,0,178,0,32,8,224])}else{if(1===t)return new Uint8Array([1,64,34,128,163,78,230,128,186,8,0,0,0,28,6,241,193,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(2===t)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(3===t)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}}]),e}(),oe=h()((function e(t,i,n,r,s){a()(this,e),this.dts=t,this.pts=i,this.duration=n,this.originalDts=r,this.isSyncPoint=s,this.fileposition=null})),he=function(){function e(){a()(this,e),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}return h()(e,[{key:"appendSyncPoint",value:function(e){e.isSyncPoint=!0,this.syncPoints.push(e)}}]),e}(),ue=function(){function e(){a()(this,e),this._list=[]}return h()(e,[{key:"clear",value:function(){this._list=[]}},{key:"appendArray",value:function(e){var t=this._list;0!==e.length&&(t.length>0&&e[0].originalDts<t[t.length-1].originalDts&&this.clear(),Array.prototype.push.apply(t,e))}},{key:"getLastSyncPointBeforeDts",value:function(e){if(0==this._list.length)return null;var t=this._list,i=0,n=t.length-1,r=0,s=0,a=n;for(e<t[0].dts&&(i=0,s=a+1);s<=a;){if((r=s+Math.floor((a-s)/2))===n||e>=t[r].dts&&e<t[r+1].dts){i=r;break}t[r].dts<e?s=r+1:a=r-1}return this._list[i]}}]),e}(),le=function(){function e(t){a()(this,e),this._type=t,this._list=[],this._lastAppendLocation=-1}return h()(e,[{key:"type",get:function(){return this._type}},{key:"length",get:function(){return this._list.length}},{key:"isEmpty",value:function(){return 0===this._list.length}},{key:"clear",value:function(){this._list=[],this._lastAppendLocation=-1}},{key:"_searchNearestSegmentBefore",value:function(e){var t=this._list;if(0===t.length)return-2;var i=t.length-1,n=0,r=0,s=i,a=0;if(e<t[0].originalBeginDts)return a=-1;for(;r<=s;){if((n=r+Math.floor((s-r)/2))===i||e>t[n].lastSample.originalDts&&e<t[n+1].originalBeginDts){a=n;break}t[n].originalBeginDts<e?r=n+1:s=n-1}return a}},{key:"_searchNearestSegmentAfter",value:function(e){return this._searchNearestSegmentBefore(e)+1}},{key:"append",value:function(e){var t=this._list,i=e,n=this._lastAppendLocation,r=0;-1!==n&&n<t.length&&i.originalBeginDts>=t[n].lastSample.originalDts&&(n===t.length-1||n<t.length-1&&i.originalBeginDts<t[n+1].originalBeginDts)?r=n+1:t.length>0&&(r=this._searchNearestSegmentBefore(i.originalBeginDts)+1),this._lastAppendLocation=r,this._list.splice(r,0,i)}},{key:"getLastSegmentBefore",value:function(e){var t=this._searchNearestSegmentBefore(e);return t>=0?this._list[t]:null}},{key:"getLastSampleBefore",value:function(e){var t=this.getLastSegmentBefore(e);return null!=t?t.lastSample:null}},{key:"getLastSyncPointBefore",value:function(e){for(var t=this._searchNearestSegmentBefore(e),i=this._list[t].syncPoints;0===i.length&&t>0;)t--,i=this._list[t].syncPoints;return i.length>0?i[i.length-1]:null}}]),e}(),de=function(){function e(t){a()(this,e),this.TAG="MP4Remuxer",this._config=t,this._isLive=!0===t.isLive,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 le("audio"),this._videoSegmentInfoList=new le("video"),this._onInitSegment=null,this._onMediaSegment=null,this._forceFirstIDR=!(!O.chrome||!(O.version.major<50||50===O.version.major&&O.version.build<2661)),this._fillSilentAfterSeek=O.msedge||O.msie,this._mp3UseMpegAudio=!O.firefox,this._fillAudioTimestampGap=this._config.fixAudioTimestampGap}return h()(e,[{key:"destroy",value:function(){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}},{key:"bindDataSource",value:function(e){return e.onDataAvailable=this.remux.bind(this),e.onTrackMetadata=this._onTrackMetadataReceived.bind(this),this}},{key:"onInitSegment",get:function(){return this._onInitSegment},set:function(e){this._onInitSegment=e}},{key:"onMediaSegment",get:function(){return this._onMediaSegment},set:function(e){this._onMediaSegment=e}},{key:"insertDiscontinuity",value:function(){this._audioNextDts=this._videoNextDts=void 0}},{key:"seek",value:function(e){this._audioStashedLastSample=null,this._videoStashedLastSample=null,this._videoSegmentInfoList.clear(),this._audioSegmentInfoList.clear()}},{key:"remux",value:function(e,t){if(!this._onMediaSegment)throw new S("MP4Remuxer: onMediaSegment callback must be specificed!");this._dtsBaseInited||this._calculateDtsBase(e,t),this._remuxVideo(t),this._remuxAudio(e)}},{key:"_onTrackMetadataReceived",value:function(e,t){var i=null,n="mp4",r=t.codec;if("audio"===e)this._audioMeta=t,"mp3"===t.codec&&this._mp3UseMpegAudio?(n="mpeg",r="",i=new Uint8Array):i=se.generateInitSegment(t);else{if("video"!==e)return;this._videoMeta=t,i=se.generateInitSegment(t)}if(!this._onInitSegment)throw new S("MP4Remuxer: onInitSegment callback must be specified!");this._onInitSegment(e,{type:e,data:i.buffer,codec:r,container:"".concat(e,"/").concat(n),mediaDuration:t.duration})}},{key:"_calculateDtsBase",value:function(e,t){this._dtsBaseInited||(e.samples&&e.samples.length&&(this._audioDtsBase=e.samples[0].dts),t.samples&&t.samples.length&&(this._videoDtsBase=t.samples[0].dts),this._dtsBase=Math.min(this._audioDtsBase,this._videoDtsBase),this._dtsBaseInited=!0)}},{key:"flushStashedSamples",value:function(){var e=this._videoStashedLastSample,t=this._audioStashedLastSample,i={type:"video",id:1,sequenceNumber:0,samples:[],length:0};null!=e&&(i.samples.push(e),i.length=e.length);var n={type:"audio",id:2,sequenceNumber:0,samples:[],length:0};null!=t&&(n.samples.push(t),n.length=t.length),this._videoStashedLastSample=null,this._audioStashedLastSample=null,this._remuxVideo(i,!0),this._remuxAudio(n,!0)}},{key:"_remuxAudio",value:function(e,t){if(null!=this._audioMeta){var i,n=e,r=n.samples,s=void 0,a=-1,o=this._audioMeta.refSampleDuration,h="mp3"===this._audioMeta.codec&&this._mp3UseMpegAudio,u=this._dtsBaseInited&&void 0===this._audioNextDts,l=!1;if(r&&0!==r.length&&(1!==r.length||t)){var d=0,c=null,_=0;h?(d=0,_=n.length):(d=8,_=8+n.length);var m=null;if(r.length>1&&(_-=(m=r.pop()).length),null!=this._audioStashedLastSample){var v=this._audioStashedLastSample;this._audioStashedLastSample=null,r.unshift(v),_+=v.length}null!=m&&(this._audioStashedLastSample=m);var p=r[0].dts-this._dtsBase;if(this._audioNextDts)s=p-this._audioNextDts;else if(this._audioSegmentInfoList.isEmpty())s=0,this._fillSilentAfterSeek&&!this._videoSegmentInfoList.isEmpty()&&"mp3"!==this._audioMeta.originalCodec&&(l=!0);else{var g=this._audioSegmentInfoList.getLastSampleBefore(p);if(null!=g){var y=p-(g.originalDts+g.duration);y<=3&&(y=0),s=p-(g.dts+g.duration+y)}else s=0}if(l){var E=p-s,S=this._videoSegmentInfoList.getLastSegmentBefore(p);if(null!=S&&S.beginDts<E){var k=ae.getSilentFrame(this._audioMeta.originalCodec,this._audioMeta.channelCount);if(k){var A=S.beginDts,b=E-S.beginDts;f.v(this.TAG,"InsertPrefixSilentAudio: dts: ".concat(A,", duration: ").concat(b)),r.unshift({unit:k,dts:A,pts:A}),_+=k.byteLength}}else l=!1}for(var R=[],L=0;L<r.length;L++){var w=r[L],T=w.unit,C=w.dts-this._dtsBase,I=C-s;-1===a&&(a=I);var D=0;if(L!==r.length-1)D=r[L+1].dts-this._dtsBase-s-I;else if(null!=m)D=m.dts-this._dtsBase-s-I;else D=R.length>=1?R[R.length-1].duration:Math.floor(o);var M=!1,B=null;if(D>1.5*o&&"mp3"!==this._audioMeta.codec&&this._fillAudioTimestampGap&&!O.safari){M=!0;var x=Math.abs(D-o),U=Math.ceil(x/o),N=I+o;f.w(this.TAG,"Large audio timestamp gap detected, may cause AV sync to drift. Silent frames will be generated to avoid unsync.\n"+"dts: ".concat(I+D," ms, expected: ").concat(I+Math.round(o)," ms, ")+"delta: ".concat(Math.round(x)," ms, generate: ").concat(U," frames"));var P=ae.getSilentFrame(this._audioMeta.originalCodec,this._audioMeta.channelCount);null==P&&(f.w(this.TAG,"Unable to generate silent frame for "+"".concat(this._audioMeta.originalCodec," with ").concat(this._audioMeta.channelCount," channels, repeat last frame")),P=T),B=[];for(var F=0;F<U;F++){var G=Math.round(N);if(B.length>0){var V=B[B.length-1];V.duration=G-V.dts}var z={dts:G,pts:G,cts:0,unit:P,size:P.byteLength,duration:0,originalDts:C,flags:{isLeading:0,dependsOn:1,isDependedOn:0,hasRedundancy:0}};B.push(z),_+=z.size,N+=o}var j=B[B.length-1];j.duration=I+D-j.dts,D=Math.round(o)}R.push({dts:I,pts:I,cts:0,unit:w.unit,size:w.unit.byteLength,duration:D,originalDts:C,flags:{isLeading:0,dependsOn:1,isDependedOn:0,hasRedundancy:0}}),M&&R.push.apply(R,B)}h?c=new Uint8Array(_):((c=new Uint8Array(_))[0]=_>>>24&255,c[1]=_>>>16&255,c[2]=_>>>8&255,c[3]=255&_,c.set(se.types.mdat,4));for(var K=0;K<R.length;K++){var H=R[K].unit;c.set(H,d),d+=H.byteLength}var q=R[R.length-1];i=q.dts+q.duration,this._audioNextDts=i;var W=new he;W.beginDts=a,W.endDts=i,W.beginPts=a,W.endPts=i,W.originalBeginDts=R[0].originalDts,W.originalEndDts=q.originalDts+q.duration,W.firstSample=new oe(R[0].dts,R[0].pts,R[0].duration,R[0].originalDts,!1),W.lastSample=new oe(q.dts,q.pts,q.duration,q.originalDts,!1),this._isLive||this._audioSegmentInfoList.append(W),n.samples=R,n.sequenceNumber++;var X=null;X=h?new Uint8Array:se.moof(n,a),n.samples=[],n.length=0;var Y={type:"audio",data:this._mergeBoxes(X,c).buffer,sampleCount:R.length,info:W};h&&u&&(Y.timestampOffset=a),this._onMediaSegment("audio",Y)}}}},{key:"_remuxVideo",value:function(e,t){if(null!=this._videoMeta){var i,n,r=e,s=r.samples,a=void 0,o=-1,h=-1;if(s&&0!==s.length&&(1!==s.length||t)){var u=8,l=null,d=8+e.length,c=null;if(s.length>1&&(d-=(c=s.pop()).length),null!=this._videoStashedLastSample){var _=this._videoStashedLastSample;this._videoStashedLastSample=null,s.unshift(_),d+=_.length}null!=c&&(this._videoStashedLastSample=c);var f=s[0].dts-this._dtsBase;if(this._videoNextDts)a=f-this._videoNextDts;else if(this._videoSegmentInfoList.isEmpty())a=0;else{var m=this._videoSegmentInfoList.getLastSampleBefore(f);if(null!=m){var v=f-(m.originalDts+m.duration);v<=3&&(v=0),a=f-(m.dts+m.duration+v)}else a=0}for(var p=new he,g=[],y=0;y<s.length;y++){var E=s[y],S=E.dts-this._dtsBase,k=E.isKeyframe,A=S-a,b=E.cts,R=A+b;-1===o&&(o=A,h=R);var L=0;if(y!==s.length-1)L=s[y+1].dts-this._dtsBase-a-A;else if(null!=c)L=c.dts-this._dtsBase-a-A;else L=g.length>=1?g[g.length-1].duration:Math.floor(this._videoMeta.refSampleDuration);if(k){var w=new oe(A,R,L,E.dts,!0);w.fileposition=E.fileposition,p.appendSyncPoint(w)}g.push({dts:A,pts:R,cts:b,units:E.units,size:E.length,isKeyframe:k,duration:L,originalDts:S,flags:{isLeading:0,dependsOn:k?2:1,isDependedOn:k?1:0,hasRedundancy:0,isNonSync:k?0:1}})}(l=new Uint8Array(d))[0]=d>>>24&255,l[1]=d>>>16&255,l[2]=d>>>8&255,l[3]=255&d,l.set(se.types.mdat,4);for(var T=0;T<g.length;T++)for(var C=g[T].units;C.length;){var I=C.shift().data;l.set(I,u),u+=I.byteLength}var D=g[g.length-1];if(i=D.dts+D.duration,n=D.pts+D.duration,this._videoNextDts=i,p.beginDts=o,p.endDts=i,p.beginPts=h,p.endPts=n,p.originalBeginDts=g[0].originalDts,p.originalEndDts=D.originalDts+D.duration,p.firstSample=new oe(g[0].dts,g[0].pts,g[0].duration,g[0].originalDts,g[0].isKeyframe),p.lastSample=new oe(D.dts,D.pts,D.duration,D.originalDts,D.isKeyframe),this._isLive||this._videoSegmentInfoList.append(p),r.samples=g,r.sequenceNumber++,this._forceFirstIDR){var O=g[0].flags;O.dependsOn=2,O.isNonSync=0}var M=se.moof(r,o);r.samples=[],r.length=0,this._onMediaSegment("video",{type:"video",data:this._mergeBoxes(M,l).buffer,sampleCount:g.length,info:p})}}}},{key:"_mergeBoxes",value:function(e,t){var i=new Uint8Array(e.byteLength+t.byteLength);return i.set(e,0),i.set(t,e.byteLength),i}}]),e}(),ce={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"},_e=function(){function e(t,i){a()(this,e),this.TAG="TransmuxingController",this._emitter=new(c()),this._config=i,t.segments||(t.segments=[{duration:t.duration,filesize:t.filesize,url:t.url}]),"boolean"!=typeof t.cors&&(t.cors=!0),"boolean"!=typeof t.withCredentials&&(t.withCredentials=!1),this._mediaDataSource=t,this._currentSegmentIndex=0;var n=0;this._mediaDataSource.segments.forEach((function(e){e.timestampBase=n,n+=e.duration,e.cors=t.cors,e.withCredentials=t.withCredentials,i.referrerPolicy&&(e.referrerPolicy=i.referrerPolicy)})),isNaN(n)||this._mediaDataSource.duration===n||(this._mediaDataSource.duration=n),this._mediaInfo=null,this._demuxer=null,this._remuxer=null,this._ioctl=null,this._pendingSeekTime=null,this._pendingResolveSeekPoint=null,this._statisticsReporter=null}return h()(e,[{key:"destroy",value:function(){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}},{key:"on",value:function(e,t){this._emitter.addListener(e,t)}},{key:"off",value:function(e,t){this._emitter.removeListener(e,t)}},{key:"start",value:function(){this._loadSegment(0),this._enableStatisticsReporter()}},{key:"_loadSegment",value:function(e,t){this._currentSegmentIndex=e;var i=this._mediaDataSource.segments[e],n=this._ioctl=new F(i,this._config,e);n.onError=this._onIOException.bind(this),n.onSeeked=this._onIOSeeked.bind(this),n.onComplete=this._onIOComplete.bind(this),n.onRedirect=this._onIORedirect.bind(this),n.onRecoveredEarlyEof=this._onIORecoveredEarlyEof.bind(this),t?this._demuxer.bindDataSource(this._ioctl):n.onDataArrival=this._onInitChunkArrival.bind(this),n.open(t)}},{key:"stop",value:function(){this._internalAbort(),this._disableStatisticsReporter()}},{key:"_internalAbort",value:function(){this._ioctl&&(this._ioctl.destroy(),this._ioctl=null)}},{key:"pause",value:function(){this._ioctl&&this._ioctl.isWorking()&&(this._ioctl.pause(),this._disableStatisticsReporter())}},{key:"resume",value:function(){this._ioctl&&this._ioctl.isPaused()&&(this._ioctl.resume(),this._enableStatisticsReporter())}},{key:"seek",value:function(e){if(null!=this._mediaInfo&&this._mediaInfo.isSeekable()){var t=this._searchSegmentIndexContains(e);if(t===this._currentSegmentIndex){var i=this._mediaInfo.segments[t];if(null==i)this._pendingSeekTime=e;else{var n=i.getNearestKeyframe(e);this._remuxer.seek(n.milliseconds),this._ioctl.seek(n.fileposition),this._pendingResolveSeekPoint=n.milliseconds}}else{var r=this._mediaInfo.segments[t];if(null==r)this._pendingSeekTime=e,this._internalAbort(),this._remuxer.seek(),this._remuxer.insertDiscontinuity(),this._loadSegment(t);else{var s=r.getNearestKeyframe(e);this._internalAbort(),this._remuxer.seek(e),this._remuxer.insertDiscontinuity(),this._demuxer.resetMediaInfo(),this._demuxer.timestampBase=this._mediaDataSource.segments[t].timestampBase,this._loadSegment(t,s.fileposition),this._pendingResolveSeekPoint=s.milliseconds,this._reportSegmentMediaInfo(t)}}this._enableStatisticsReporter()}}},{key:"_searchSegmentIndexContains",value:function(e){for(var t=this._mediaDataSource.segments,i=t.length-1,n=0;n<t.length;n++)if(e<t[n].timestampBase){i=n-1;break}return i}},{key:"_onInitChunkArrival",value:function(e,t){var i=this,n=null,r=0;if(t>0)this._demuxer.bindDataSource(this._ioctl),this._demuxer.timestampBase=this._mediaDataSource.segments[this._currentSegmentIndex].timestampBase,r=this._demuxer.parseChunks(e,t);else if((n=ne.probe(e)).match){this._demuxer=new ne(n,this._config),this._remuxer||(this._remuxer=new de(this._config));var s=this._mediaDataSource;null==s.duration||isNaN(s.duration)||(this._demuxer.overridedDuration=s.duration),"boolean"==typeof s.hasAudio&&(this._demuxer.overridedHasAudio=s.hasAudio),"boolean"==typeof s.hasVideo&&(this._demuxer.overridedHasVideo=s.hasVideo),this._demuxer.timestampBase=s.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),r=this._demuxer.parseChunks(e,t)}else n=null,f.e(this.TAG,"Non-FLV, Unsupported media type!"),Promise.resolve().then((function(){i._internalAbort()})),this._emitter.emit(ce.DEMUX_ERROR,te.FORMAT_UNSUPPORTED,"Non-FLV, Unsupported media type"),r=0;return r}},{key:"_onMediaInfo",value:function(e){var t=this;null==this._mediaInfo&&(this._mediaInfo=Object.assign({},e),this._mediaInfo.keyframesIndex=null,this._mediaInfo.segments=[],this._mediaInfo.segmentCount=this._mediaDataSource.segments.length,Object.setPrototypeOf(this._mediaInfo,W.prototype));var i=Object.assign({},e);Object.setPrototypeOf(i,W.prototype),this._mediaInfo.segments[this._currentSegmentIndex]=i,this._reportSegmentMediaInfo(this._currentSegmentIndex),null!=this._pendingSeekTime&&Promise.resolve().then((function(){var e=t._pendingSeekTime;t._pendingSeekTime=null,t.seek(e)}))}},{key:"_onMetaDataArrived",value:function(e){this._emitter.emit(ce.METADATA_ARRIVED,e)}},{key:"_onScriptDataArrived",value:function(e){this._emitter.emit(ce.SCRIPTDATA_ARRIVED,e)}},{key:"_onIOSeeked",value:function(){this._remuxer.insertDiscontinuity()}},{key:"_onIOComplete",value:function(e){var t=e+1;t<this._mediaDataSource.segments.length?(this._internalAbort(),this._remuxer.flushStashedSamples(),this._loadSegment(t)):(this._remuxer.flushStashedSamples(),this._emitter.emit(ce.LOADING_COMPLETE),this._disableStatisticsReporter())}},{key:"_onIORedirect",value:function(e){var t=this._ioctl.extraData;this._mediaDataSource.segments[t].redirectedURL=e}},{key:"_onIORecoveredEarlyEof",value:function(){this._emitter.emit(ce.RECOVERED_EARLY_EOF)}},{key:"_onIOException",value:function(e,t){f.e(this.TAG,"IOException: type = ".concat(e,", code = ").concat(t.code,", msg = ").concat(t.msg)),this._emitter.emit(ce.IO_ERROR,e,t),this._disableStatisticsReporter()}},{key:"_onDemuxException",value:function(e,t){f.e(this.TAG,"DemuxException: type = ".concat(e,", info = ").concat(t)),this._emitter.emit(ce.DEMUX_ERROR,e,t)}},{key:"_onRemuxerInitSegmentArrival",value:function(e,t){this._emitter.emit(ce.INIT_SEGMENT,e,t)}},{key:"_onRemuxerMediaSegmentArrival",value:function(e,t){if(null==this._pendingSeekTime&&(this._emitter.emit(ce.MEDIA_SEGMENT,e,t),null!=this._pendingResolveSeekPoint&&"video"===e)){var i=t.info.syncPoints,n=this._pendingResolveSeekPoint;this._pendingResolveSeekPoint=null,O.safari&&i.length>0&&i[0].originalDts===n&&(n=i[0].pts),this._emitter.emit(ce.RECOMMEND_SEEKPOINT,n)}}},{key:"_enableStatisticsReporter",value:function(){null==this._statisticsReporter&&(this._statisticsReporter=self.setInterval(this._reportStatisticsInfo.bind(this),this._config.statisticsInfoReportInterval))}},{key:"_disableStatisticsReporter",value:function(){this._statisticsReporter&&(self.clearInterval(this._statisticsReporter),this._statisticsReporter=null)}},{key:"_reportSegmentMediaInfo",value:function(e){var t=this._mediaInfo.segments[e],i=Object.assign({},t);i.duration=this._mediaInfo.duration,i.segmentCount=this._mediaInfo.segmentCount,delete i.segments,delete i.keyframesIndex,this._emitter.emit(ce.MEDIA_INFO,i)}},{key:"_reportStatisticsInfo",value:function(){var e={};e.url=this._ioctl.currentURL,e.hasRedirect=this._ioctl.hasRedirect,e.hasRedirect&&(e.redirectedURL=this._ioctl.currentRedirectedURL),e.speed=this._ioctl.currentSpeed,e.loaderType=this._ioctl.loaderType,e.currentSegmentIndex=this._currentSegmentIndex,e.totalSegmentCount=this._mediaDataSource.segments.length,this._emitter.emit(ce.STATISTICS_INFO,e)}}]),e}(),fe=function(e){var t=null,i=function(t,i){e.postMessage({msg:"logcat_callback",data:{type:t,logcat:i}})}.bind(this);function n(t,i){var n={msg:ce.INIT_SEGMENT,data:{type:t,data:i}};e.postMessage(n,[i.data])}function r(t,i){var n={msg:ce.MEDIA_SEGMENT,data:{type:t,data:i}};e.postMessage(n,[i.data])}function s(){var t={msg:ce.LOADING_COMPLETE};e.postMessage(t)}function a(){var t={msg:ce.RECOVERED_EARLY_EOF};e.postMessage(t)}function o(t){var i={msg:ce.MEDIA_INFO,data:t};e.postMessage(i)}function h(t){var i={msg:ce.METADATA_ARRIVED,data:t};e.postMessage(i)}function u(t){var i={msg:ce.SCRIPTDATA_ARRIVED,data:t};e.postMessage(i)}function d(t){var i={msg:ce.STATISTICS_INFO,data:t};e.postMessage(i)}function c(t,i){e.postMessage({msg:ce.IO_ERROR,data:{type:t,info:i}})}function _(t,i){e.postMessage({msg:ce.DEMUX_ERROR,data:{type:t,info:i}})}function f(t){e.postMessage({msg:ce.RECOMMEND_SEEKPOINT,data:t})}l.install(),e.addEventListener("message",(function(l){switch(l.data.cmd){case"init":(t=new _e(l.data.param[0],l.data.param[1])).on(ce.IO_ERROR,c.bind(this)),t.on(ce.DEMUX_ERROR,_.bind(this)),t.on(ce.INIT_SEGMENT,n.bind(this)),t.on(ce.MEDIA_SEGMENT,r.bind(this)),t.on(ce.LOADING_COMPLETE,s.bind(this)),t.on(ce.RECOVERED_EARLY_EOF,a.bind(this)),t.on(ce.MEDIA_INFO,o.bind(this)),t.on(ce.METADATA_ARRIVED,h.bind(this)),t.on(ce.SCRIPTDATA_ARRIVED,u.bind(this)),t.on(ce.STATISTICS_INFO,d.bind(this)),t.on(ce.RECOMMEND_SEEKPOINT,f.bind(this));break;case"destroy":t&&(t.destroy(),t=null),e.postMessage({msg:"destroyed"});break;case"start":t.start();break;case"stop":t.stop();break;case"seek":t.seek(l.data.param);break;case"pause":t.pause();break;case"resume":t.resume();break;case"logging_config":var m=l.data.param;q.applyConfig(m),!0===m.enableCallback?q.addLogListener(i):q.removeLogListener(i)}}))},me=function(){function e(t,n){if(a()(this,e),this.TAG="Transmuxer",this._emitter=new(c()),n.enableWorker&&"undefined"!=typeof Worker)try{var r=i(82059);this._worker=r(fe),this._workerDestroying=!1,this._worker.addEventListener("message",this._onWorkerMessage.bind(this)),this._worker.postMessage({cmd:"init",param:[t,n]}),this.e={onLoggingConfigChanged:this._onLoggingConfigChanged.bind(this)},q.registerListener(this.e.onLoggingConfigChanged),this._worker.postMessage({cmd:"logging_config",param:q.getConfig()})}catch(e){f.e(this.TAG,"Error while initialize transmuxing worker, fallback to inline transmuxing"),this._worker=null,this._controller=new _e(t,n)}else this._controller=new _e(t,n);if(this._controller){var s=this._controller;s.on(ce.IO_ERROR,this._onIOError.bind(this)),s.on(ce.DEMUX_ERROR,this._onDemuxError.bind(this)),s.on(ce.INIT_SEGMENT,this._onInitSegment.bind(this)),s.on(ce.MEDIA_SEGMENT,this._onMediaSegment.bind(this)),s.on(ce.LOADING_COMPLETE,this._onLoadingComplete.bind(this)),s.on(ce.RECOVERED_EARLY_EOF,this._onRecoveredEarlyEof.bind(this)),s.on(ce.MEDIA_INFO,this._onMediaInfo.bind(this)),s.on(ce.METADATA_ARRIVED,this._onMetaDataArrived.bind(this)),s.on(ce.SCRIPTDATA_ARRIVED,this._onScriptDataArrived.bind(this)),s.on(ce.STATISTICS_INFO,this._onStatisticsInfo.bind(this)),s.on(ce.RECOMMEND_SEEKPOINT,this._onRecommendSeekpoint.bind(this))}}return h()(e,[{key:"destroy",value:function(){this._worker?this._workerDestroying||(this._workerDestroying=!0,this._worker.postMessage({cmd:"destroy"}),q.removeListener(this.e.onLoggingConfigChanged),this.e=null):(this._controller.destroy(),this._controller=null),this._emitter.removeAllListeners(),this._emitter=null}},{key:"on",value:function(e,t){this._emitter.addListener(e,t)}},{key:"off",value:function(e,t){this._emitter.removeListener(e,t)}},{key:"hasWorker",value:function(){return null!=this._worker}},{key:"open",value:function(){this._worker?this._worker.postMessage({cmd:"start"}):this._controller.start()}},{key:"close",value:function(){this._worker?this._worker.postMessage({cmd:"stop"}):this._controller.stop()}},{key:"seek",value:function(e){this._worker?this._worker.postMessage({cmd:"seek",param:e}):this._controller.seek(e)}},{key:"pause",value:function(){this._worker?this._worker.postMessage({cmd:"pause"}):this._controller.pause()}},{key:"resume",value:function(){this._worker?this._worker.postMessage({cmd:"resume"}):this._controller.resume()}},{key:"_onInitSegment",value:function(e,t){var i=this;Promise.resolve().then((function(){i._emitter.emit(ce.INIT_SEGMENT,e,t)}))}},{key:"_onMediaSegment",value:function(e,t){var i=this;Promise.resolve().then((function(){i._emitter.emit(ce.MEDIA_SEGMENT,e,t)}))}},{key:"_onLoadingComplete",value:function(){var e=this;Promise.resolve().then((function(){e._emitter.emit(ce.LOADING_COMPLETE)}))}},{key:"_onRecoveredEarlyEof",value:function(){var e=this;Promise.resolve().then((function(){e._emitter.emit(ce.RECOVERED_EARLY_EOF)}))}},{key:"_onMediaInfo",value:function(e){var t=this;Promise.resolve().then((function(){t._emitter.emit(ce.MEDIA_INFO,e)}))}},{key:"_onMetaDataArrived",value:function(e){var t=this;Promise.resolve().then((function(){t._emitter.emit(ce.METADATA_ARRIVED,e)}))}},{key:"_onScriptDataArrived",value:function(e){var t=this;Promise.resolve().then((function(){t._emitter.emit(ce.SCRIPTDATA_ARRIVED,e)}))}},{key:"_onStatisticsInfo",value:function(e){var t=this;Promise.resolve().then((function(){t._emitter.emit(ce.STATISTICS_INFO,e)}))}},{key:"_onIOError",value:function(e,t){var i=this;Promise.resolve().then((function(){i._emitter.emit(ce.IO_ERROR,e,t)}))}},{key:"_onDemuxError",value:function(e,t){var i=this;Promise.resolve().then((function(){i._emitter.emit(ce.DEMUX_ERROR,e,t)}))}},{key:"_onRecommendSeekpoint",value:function(e){var t=this;Promise.resolve().then((function(){t._emitter.emit(ce.RECOMMEND_SEEKPOINT,e)}))}},{key:"_onLoggingConfigChanged",value:function(e){this._worker&&this._worker.postMessage({cmd:"logging_config",param:e})}},{key:"_onWorkerMessage",value:function(e){var t=e.data,i=t.data;if("destroyed"===t.msg||this._workerDestroying)return this._workerDestroying=!1,this._worker.terminate(),void(this._worker=null);switch(t.msg){case ce.INIT_SEGMENT:case ce.MEDIA_SEGMENT:this._emitter.emit(t.msg,i.type,i.data);break;case ce.LOADING_COMPLETE:case ce.RECOVERED_EARLY_EOF:this._emitter.emit(t.msg);break;case ce.MEDIA_INFO:Object.setPrototypeOf(i,W.prototype),this._emitter.emit(t.msg,i);break;case ce.METADATA_ARRIVED:case ce.SCRIPTDATA_ARRIVED:case ce.STATISTICS_INFO:this._emitter.emit(t.msg,i);break;case ce.IO_ERROR:case ce.DEMUX_ERROR:this._emitter.emit(t.msg,i.type,i.info);break;case ce.RECOMMEND_SEEKPOINT:this._emitter.emit(t.msg,i);break;case"logcat_callback":f.emitter.emit("log",i.type,i.logcat)}}}]),e}(),ve={ERROR:"error",SOURCE_OPEN:"source_open",UPDATE_END:"update_end",BUFFER_FULL:"buffer_full"},pe=function(){function e(t){a()(this,e),this.TAG="MSEController",this._config=t,this._emitter=new(c()),this._config.isLive&&null==this._config.autoCleanupSourceBuffer&&(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 ue}return h()(e,[{key:"destroy",value:function(){(this._mediaElement||this._mediaSource)&&this.detachMediaElement(),this.e=null,this._emitter.removeAllListeners(),this._emitter=null}},{key:"on",value:function(e,t){this._emitter.addListener(e,t)}},{key:"off",value:function(e,t){this._emitter.removeListener(e,t)}},{key:"attachMediaElement",value:function(e){if(this._mediaSource)throw new S("MediaSource has been attached to an HTMLMediaElement!");var t=this._mediaSource=new window.MediaSource;t.addEventListener("sourceopen",this.e.onSourceOpen),t.addEventListener("sourceended",this.e.onSourceEnded),t.addEventListener("sourceclose",this.e.onSourceClose),this._mediaElement=e,this._mediaSourceObjectURL=window.URL.createObjectURL(this._mediaSource),e.src=this._mediaSourceObjectURL}},{key:"detachMediaElement",value:function(){if(this._mediaSource){var e=this._mediaSource;for(var t in this._sourceBuffers){var i=this._pendingSegments[t];i.splice(0,i.length),this._pendingSegments[t]=null,this._pendingRemoveRanges[t]=null,this._lastInitSegments[t]=null;var n=this._sourceBuffers[t];if(n){if("closed"!==e.readyState){try{e.removeSourceBuffer(n)}catch(e){f.e(this.TAG,e.message)}n.removeEventListener("error",this.e.onSourceBufferError),n.removeEventListener("updateend",this.e.onSourceBufferUpdateEnd)}this._mimeTypes[t]=null,this._sourceBuffers[t]=null}}if("open"===e.readyState)try{e.endOfStream()}catch(e){f.e(this.TAG,e.message)}e.removeEventListener("sourceopen",this.e.onSourceOpen),e.removeEventListener("sourceended",this.e.onSourceEnded),e.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)}},{key:"appendInitSegment",value:function(e,t){if(!this._mediaSource||"open"!==this._mediaSource.readyState)return this._pendingSourceBufferInit.push(e),void this._pendingSegments[e.type].push(e);var i=e,n="".concat(i.container);i.codec&&i.codec.length>0&&(n+=";codecs=".concat(i.codec));var r=!1;if(f.v(this.TAG,"Received Initialization Segment, mimeType: "+n),this._lastInitSegments[i.type]=i,n!==this._mimeTypes[i.type]){if(this._mimeTypes[i.type])f.v(this.TAG,"Notice: ".concat(i.type," mimeType changed, origin: ").concat(this._mimeTypes[i.type],", target: ").concat(n));else{r=!0;try{var s=this._sourceBuffers[i.type]=this._mediaSource.addSourceBuffer(n);s.addEventListener("error",this.e.onSourceBufferError),s.addEventListener("updateend",this.e.onSourceBufferUpdateEnd)}catch(e){return f.e(this.TAG,e.message),void this._emitter.emit(ve.ERROR,{code:e.code,msg:e.message})}}this._mimeTypes[i.type]=n}t||this._pendingSegments[i.type].push(i),r||this._sourceBuffers[i.type]&&!this._sourceBuffers[i.type].updating&&this._doAppendSegments(),O.safari&&"audio/mpeg"===i.container&&i.mediaDuration>0&&(this._requireSetMediaDuration=!0,this._pendingMediaDuration=i.mediaDuration/1e3,this._updateMediaSourceDuration())}},{key:"appendMediaSegment",value:function(e){var t=e;this._pendingSegments[t.type].push(t),this._config.autoCleanupSourceBuffer&&this._needCleanupSourceBuffer()&&this._doCleanupSourceBuffer();var i=this._sourceBuffers[t.type];!i||i.updating||this._hasPendingRemoveRanges()||this._doAppendSegments()}},{key:"seek",value:function(e){for(var t in this._sourceBuffers)if(this._sourceBuffers[t]){var i=this._sourceBuffers[t];if("open"===this._mediaSource.readyState)try{i.abort()}catch(e){f.e(this.TAG,e.message)}this._idrList.clear();var n=this._pendingSegments[t];if(n.splice(0,n.length),"closed"!==this._mediaSource.readyState){for(var r=0;r<i.buffered.length;r++){var s=i.buffered.start(r),a=i.buffered.end(r);this._pendingRemoveRanges[t].push({start:s,end:a})}if(i.updating||this._doRemoveRanges(),O.safari){var o=this._lastInitSegments[t];o&&(this._pendingSegments[t].push(o),i.updating||this._doAppendSegments())}}}}},{key:"endOfStream",value:function(){var e=this._mediaSource,t=this._sourceBuffers;e&&"open"===e.readyState?t.video&&t.video.updating||t.audio&&t.audio.updating?this._hasPendingEos=!0:(this._hasPendingEos=!1,e.endOfStream()):e&&"closed"===e.readyState&&this._hasPendingSegments()&&(this._hasPendingEos=!0)}},{key:"getNearestKeyframe",value:function(e){return this._idrList.getLastSyncPointBeforeDts(e)}},{key:"_needCleanupSourceBuffer",value:function(){if(!this._config.autoCleanupSourceBuffer)return!1;var e=this._mediaElement.currentTime;for(var t in this._sourceBuffers){var i=this._sourceBuffers[t];if(i){var n=i.buffered;if(n.length>=1&&e-n.start(0)>=this._config.autoCleanupMaxBackwardDuration)return!0}}return!1}},{key:"_doCleanupSourceBuffer",value:function(){var e=this._mediaElement.currentTime;for(var t in this._sourceBuffers){var i=this._sourceBuffers[t];if(i){for(var n=i.buffered,r=!1,s=0;s<n.length;s++){var a=n.start(s),o=n.end(s);if(a<=e&&e<o+3){if(e-a>=this._config.autoCleanupMaxBackwardDuration){r=!0;var h=e-this._config.autoCleanupMinBackwardDuration;this._pendingRemoveRanges[t].push({start:a,end:h})}}else o<e&&(r=!0,this._pendingRemoveRanges[t].push({start:a,end:o}))}r&&!i.updating&&this._doRemoveRanges()}}}},{key:"_updateMediaSourceDuration",value:function(){var e=this._sourceBuffers;if(0!==this._mediaElement.readyState&&"open"===this._mediaSource.readyState&&!(e.video&&e.video.updating||e.audio&&e.audio.updating)){var t=this._mediaSource.duration,i=this._pendingMediaDuration;i>0&&(isNaN(t)||i>t)&&(f.v(this.TAG,"Update MediaSource duration from ".concat(t," to ").concat(i)),this._mediaSource.duration=i),this._requireSetMediaDuration=!1,this._pendingMediaDuration=0}}},{key:"_doRemoveRanges",value:function(){for(var e in this._pendingRemoveRanges)if(this._sourceBuffers[e]&&!this._sourceBuffers[e].updating)for(var t=this._sourceBuffers[e],i=this._pendingRemoveRanges[e];i.length&&!t.updating;){var n=i.shift();t.remove(n.start,n.end)}}},{key:"_doAppendSegments",value:function(){var e=this._pendingSegments;for(var t in e)if(this._sourceBuffers[t]&&!this._sourceBuffers[t].updating&&e[t].length>0){var i=e[t].shift();if(i.timestampOffset){var n=this._sourceBuffers[t].timestampOffset,r=i.timestampOffset/1e3;Math.abs(n-r)>.1&&(f.v(this.TAG,"Update MPEG audio timestampOffset from ".concat(n," to ").concat(r)),this._sourceBuffers[t].timestampOffset=r),delete i.timestampOffset}if(!i.data||0===i.data.byteLength)continue;try{this._sourceBuffers[t].appendBuffer(i.data),this._isBufferFull=!1,"video"===t&&i.hasOwnProperty("info")&&this._idrList.appendArray(i.info.syncPoints)}catch(e){this._pendingSegments[t].unshift(i),22===e.code?(this._isBufferFull||this._emitter.emit(ve.BUFFER_FULL),this._isBufferFull=!0):(f.e(this.TAG,e.message),this._emitter.emit(ve.ERROR,{code:e.code,msg:e.message}))}}}},{key:"_onSourceOpen",value:function(){if(f.v(this.TAG,"MediaSource onSourceOpen"),this._mediaSource.removeEventListener("sourceopen",this.e.onSourceOpen),this._pendingSourceBufferInit.length>0)for(var e=this._pendingSourceBufferInit;e.length;){var t=e.shift();this.appendInitSegment(t,!0)}this._hasPendingSegments()&&this._doAppendSegments(),this._emitter.emit(ve.SOURCE_OPEN)}},{key:"_onSourceEnded",value:function(){f.v(this.TAG,"MediaSource onSourceEnded")}},{key:"_onSourceClose",value:function(){f.v(this.TAG,"MediaSource onSourceClose"),this._mediaSource&&null!=this.e&&(this._mediaSource.removeEventListener("sourceopen",this.e.onSourceOpen),this._mediaSource.removeEventListener("sourceended",this.e.onSourceEnded),this._mediaSource.removeEventListener("sourceclose",this.e.onSourceClose))}},{key:"_hasPendingSegments",value:function(){var e=this._pendingSegments;return e.video.length>0||e.audio.length>0}},{key:"_hasPendingRemoveRanges",value:function(){var e=this._pendingRemoveRanges;return e.video.length>0||e.audio.length>0}},{key:"_onSourceBufferUpdateEnd",value:function(){this._requireSetMediaDuration?this._updateMediaSourceDuration():this._hasPendingRemoveRanges()?this._doRemoveRanges():this._hasPendingSegments()?this._doAppendSegments():this._hasPendingEos&&this.endOfStream(),this._emitter.emit(ve.UPDATE_END)}},{key:"_onSourceBufferError",value:function(e){f.e(this.TAG,"SourceBuffer Error: ".concat(e))}}]),e}(),ge={NETWORK_ERROR:"NetworkError",MEDIA_ERROR:"MediaError",OTHER_ERROR:"OtherError"},ye={NETWORK_EXCEPTION:R.EXCEPTION,NETWORK_STATUS_CODE_INVALID:R.HTTP_STATUS_CODE_INVALID,NETWORK_TIMEOUT:R.CONNECTING_TIMEOUT,NETWORK_UNRECOVERABLE_EARLY_EOF:R.UNRECOVERABLE_EARLY_EOF,MEDIA_MSE_ERROR:"MediaMSEError",MEDIA_FORMAT_ERROR:te.FORMAT_ERROR,MEDIA_FORMAT_UNSUPPORTED:te.FORMAT_UNSUPPORTED,MEDIA_CODEC_UNSUPPORTED:te.CODEC_UNSUPPORTED},Ee=function(){function e(t,i){if(a()(this,e),this.TAG="FlvPlayer",this._type="FlvPlayer",this._emitter=new(c()),this._config=V(),"object"===r()(i)&&Object.assign(this._config,i),"flv"!==t.type.toLowerCase())throw new k("FlvPlayer requires an flv MediaDataSource input!");!0===t.isLive&&(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=t,this._mediaElement=null,this._msectl=null,this._transmuxer=null,this._mseSourceOpened=!1,this._hasPendingLoad=!1,this._receivedCanPlay=!1,this._mediaInfo=null,this._statisticsInfo=null;var n=O.chrome&&(O.version.major<50||50===O.version.major&&O.version.build<2661);this._alwaysSeekKeyframe=!!(n||O.msedge||O.msie),this._alwaysSeekKeyframe&&(this._config.accurateSeek=!1)}return h()(e,[{key:"destroy",value:function(){null!=this._progressChecker&&(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}},{key:"on",value:function(e,t){var i=this;e===K.MEDIA_INFO?null!=this._mediaInfo&&Promise.resolve().then((function(){i._emitter.emit(K.MEDIA_INFO,i.mediaInfo)})):e===K.STATISTICS_INFO&&null!=this._statisticsInfo&&Promise.resolve().then((function(){i._emitter.emit(K.STATISTICS_INFO,i.statisticsInfo)})),this._emitter.addListener(e,t)}},{key:"off",value:function(e,t){this._emitter.removeListener(e,t)}},{key:"attachMediaElement",value:function(e){var t=this;if(this._mediaElement=e,e.addEventListener("loadedmetadata",this.e.onvLoadedMetadata),e.addEventListener("seeking",this.e.onvSeeking),e.addEventListener("canplay",this.e.onvCanPlay),e.addEventListener("stalled",this.e.onvStalled),e.addEventListener("progress",this.e.onvProgress),this._msectl=new pe(this._config),this._msectl.on(ve.UPDATE_END,this._onmseUpdateEnd.bind(this)),this._msectl.on(ve.BUFFER_FULL,this._onmseBufferFull.bind(this)),this._msectl.on(ve.SOURCE_OPEN,(function(){t._mseSourceOpened=!0,t._hasPendingLoad&&(t._hasPendingLoad=!1,t.load())})),this._msectl.on(ve.ERROR,(function(e){t._emitter.emit(K.ERROR,ge.MEDIA_ERROR,ye.MEDIA_MSE_ERROR,e)})),this._msectl.attachMediaElement(e),null!=this._pendingSeekTime)try{e.currentTime=this._pendingSeekTime,this._pendingSeekTime=null}catch(e){}}},{key:"detachMediaElement",value:function(){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)}},{key:"load",value:function(){var e=this;if(!this._mediaElement)throw new S("HTMLMediaElement must be attached before load()!");if(this._transmuxer)throw new S("FlvPlayer.load() has been called, please call unload() first!");this._hasPendingLoad||(this._config.deferLoadAfterSourceOpen&&!1===this._mseSourceOpened?this._hasPendingLoad=!0:(this._mediaElement.readyState>0&&(this._requestSetTime=!0,this._mediaElement.currentTime=0),this._transmuxer=new me(this._mediaDataSource,this._config),this._transmuxer.on(ce.INIT_SEGMENT,(function(t,i){e._msectl.appendInitSegment(i)})),this._transmuxer.on(ce.MEDIA_SEGMENT,(function(t,i){if(e._msectl.appendMediaSegment(i),e._config.lazyLoad&&!e._config.isLive){var n=e._mediaElement.currentTime;i.info.endDts>=1e3*(n+e._config.lazyLoadMaxDuration)&&null==e._progressChecker&&(f.v(e.TAG,"Maximum buffering duration exceeded, suspend transmuxing task"),e._suspendTransmuxer())}})),this._transmuxer.on(ce.LOADING_COMPLETE,(function(){e._msectl.endOfStream(),e._emitter.emit(K.LOADING_COMPLETE)})),this._transmuxer.on(ce.RECOVERED_EARLY_EOF,(function(){e._emitter.emit(K.RECOVERED_EARLY_EOF)})),this._transmuxer.on(ce.IO_ERROR,(function(t,i){e._emitter.emit(K.ERROR,ge.NETWORK_ERROR,t,i)})),this._transmuxer.on(ce.DEMUX_ERROR,(function(t,i){e._emitter.emit(K.ERROR,ge.MEDIA_ERROR,t,{code:-1,msg:i})})),this._transmuxer.on(ce.MEDIA_INFO,(function(t){e._mediaInfo=t,e._emitter.emit(K.MEDIA_INFO,Object.assign({},t))})),this._transmuxer.on(ce.METADATA_ARRIVED,(function(t){e._emitter.emit(K.METADATA_ARRIVED,t)})),this._transmuxer.on(ce.SCRIPTDATA_ARRIVED,(function(t){e._emitter.emit(K.SCRIPTDATA_ARRIVED,t)})),this._transmuxer.on(ce.STATISTICS_INFO,(function(t){e._statisticsInfo=e._fillStatisticsInfo(t),e._emitter.emit(K.STATISTICS_INFO,Object.assign({},e._statisticsInfo))})),this._transmuxer.on(ce.RECOMMEND_SEEKPOINT,(function(t){e._mediaElement&&!e._config.accurateSeek&&(e._requestSetTime=!0,e._mediaElement.currentTime=t/1e3)})),this._transmuxer.open()))}},{key:"unload",value:function(){this._mediaElement&&this._mediaElement.pause(),this._msectl&&this._msectl.seek(0),this._transmuxer&&(this._transmuxer.close(),this._transmuxer.destroy(),this._transmuxer=null)}},{key:"play",value:function(){return this._mediaElement.play()}},{key:"pause",value:function(){this._mediaElement.pause()}},{key:"type",get:function(){return this._type}},{key:"buffered",get:function(){return this._mediaElement.buffered}},{key:"duration",get:function(){return this._mediaElement.duration}},{key:"volume",get:function(){return this._mediaElement.volume},set:function(e){this._mediaElement.volume=e}},{key:"muted",get:function(){return this._mediaElement.muted},set:function(e){this._mediaElement.muted=e}},{key:"currentTime",get:function(){return this._mediaElement?this._mediaElement.currentTime:0},set:function(e){this._mediaElement?this._internalSeek(e):this._pendingSeekTime=e}},{key:"mediaInfo",get:function(){return Object.assign({},this._mediaInfo)}},{key:"statisticsInfo",get:function(){return null==this._statisticsInfo&&(this._statisticsInfo={}),this._statisticsInfo=this._fillStatisticsInfo(this._statisticsInfo),Object.assign({},this._statisticsInfo)}},{key:"_fillStatisticsInfo",value:function(e){if(e.playerType=this._type,!(this._mediaElement instanceof HTMLVideoElement))return e;var t=!0,i=0,n=0;if(this._mediaElement.getVideoPlaybackQuality){var r=this._mediaElement.getVideoPlaybackQuality();i=r.totalVideoFrames,n=r.droppedVideoFrames}else null!=this._mediaElement.webkitDecodedFrameCount?(i=this._mediaElement.webkitDecodedFrameCount,n=this._mediaElement.webkitDroppedFrameCount):t=!1;return t&&(e.decodedFrames=i,e.droppedFrames=n),e}},{key:"_onmseUpdateEnd",value:function(){if(this._config.lazyLoad&&!this._config.isLive){for(var e=this._mediaElement.buffered,t=this._mediaElement.currentTime,i=0,n=0;n<e.length;n++){var r=e.start(n),s=e.end(n);if(r<=t&&t<s){r,i=s;break}}i>=t+this._config.lazyLoadMaxDuration&&null==this._progressChecker&&(f.v(this.TAG,"Maximum buffering duration exceeded, suspend transmuxing task"),this._suspendTransmuxer())}}},{key:"_onmseBufferFull",value:function(){f.v(this.TAG,"MSE SourceBuffer is full, suspend transmuxing task"),null==this._progressChecker&&this._suspendTransmuxer()}},{key:"_suspendTransmuxer",value:function(){this._transmuxer&&(this._transmuxer.pause(),null==this._progressChecker&&(this._progressChecker=window.setInterval(this._checkProgressAndResume.bind(this),1e3)))}},{key:"_checkProgressAndResume",value:function(){for(var e=this._mediaElement.currentTime,t=this._mediaElement.buffered,i=!1,n=0;n<t.length;n++){var r=t.start(n),s=t.end(n);if(e>=r&&e<s){e>=s-this._config.lazyLoadRecoverDuration&&(i=!0);break}}i&&(window.clearInterval(this._progressChecker),this._progressChecker=null,i&&(f.v(this.TAG,"Continue loading from paused position"),this._transmuxer.resume()))}},{key:"_isTimepointBuffered",value:function(e){for(var t=this._mediaElement.buffered,i=0;i<t.length;i++){var n=t.start(i),r=t.end(i);if(e>=n&&e<r)return!0}return!1}},{key:"_internalSeek",value:function(e){var t=this._isTimepointBuffered(e),i=!1,n=0;if(e<1&&this._mediaElement.buffered.length>0){var r=this._mediaElement.buffered.start(0);(r<1&&e<r||O.safari)&&(i=!0,n=O.safari?.1:r)}if(i)this._requestSetTime=!0,this._mediaElement.currentTime=n;else if(t){if(this._alwaysSeekKeyframe){var s=this._msectl.getNearestKeyframe(Math.floor(1e3*e));this._requestSetTime=!0,this._mediaElement.currentTime=null!=s?s.dts/1e3:e}else this._requestSetTime=!0,this._mediaElement.currentTime=e;null!=this._progressChecker&&this._checkProgressAndResume()}else null!=this._progressChecker&&(window.clearInterval(this._progressChecker),this._progressChecker=null),this._msectl.seek(e),this._transmuxer.seek(Math.floor(1e3*e)),this._config.accurateSeek&&(this._requestSetTime=!0,this._mediaElement.currentTime=e)}},{key:"_checkAndApplyUnbufferedSeekpoint",value:function(){if(this._seekpointRecord)if(this._seekpointRecord.recordTime<=this._now()-100){var e=this._mediaElement.currentTime;this._seekpointRecord=null,this._isTimepointBuffered(e)||(null!=this._progressChecker&&(window.clearTimeout(this._progressChecker),this._progressChecker=null),this._msectl.seek(e),this._transmuxer.seek(Math.floor(1e3*e)),this._config.accurateSeek&&(this._requestSetTime=!0,this._mediaElement.currentTime=e))}else window.setTimeout(this._checkAndApplyUnbufferedSeekpoint.bind(this),50)}},{key:"_checkAndResumeStuckPlayback",value:function(e){var t=this._mediaElement;if(e||!this._receivedCanPlay||t.readyState<2){var i=t.buffered;i.length>0&&t.currentTime<i.start(0)&&(f.w(this.TAG,"Playback seems stuck at ".concat(t.currentTime,", seek to ").concat(i.start(0))),this._requestSetTime=!0,this._mediaElement.currentTime=i.start(0),this._mediaElement.removeEventListener("progress",this.e.onvProgress))}else this._mediaElement.removeEventListener("progress",this.e.onvProgress)}},{key:"_onvLoadedMetadata",value:function(e){null!=this._pendingSeekTime&&(this._mediaElement.currentTime=this._pendingSeekTime,this._pendingSeekTime=null)}},{key:"_onvSeeking",value:function(e){var t=this._mediaElement.currentTime,i=this._mediaElement.buffered;if(this._requestSetTime)this._requestSetTime=!1;else{if(t<1&&i.length>0){var n=i.start(0);if(n<1&&t<n||O.safari)return this._requestSetTime=!0,void(this._mediaElement.currentTime=O.safari?.1:n)}if(this._isTimepointBuffered(t)){if(this._alwaysSeekKeyframe){var r=this._msectl.getNearestKeyframe(Math.floor(1e3*t));null!=r&&(this._requestSetTime=!0,this._mediaElement.currentTime=r.dts/1e3)}null!=this._progressChecker&&this._checkProgressAndResume()}else this._seekpointRecord={seekPoint:t,recordTime:this._now()},window.setTimeout(this._checkAndApplyUnbufferedSeekpoint.bind(this),50)}}},{key:"_onvCanPlay",value:function(e){this._receivedCanPlay=!0,this._mediaElement.removeEventListener("canplay",this.e.onvCanPlay)}},{key:"_onvStalled",value:function(e){this._checkAndResumeStuckPlayback(!0)}},{key:"_onvProgress",value:function(e){this._checkAndResumeStuckPlayback()}}]),e}(),Se=function(){function e(t,i){if(a()(this,e),this.TAG="NativePlayer",this._type="NativePlayer",this._emitter=new(c()),this._config=V(),"object"===r()(i)&&Object.assign(this._config,i),"flv"===t.type.toLowerCase())throw new k("NativePlayer does't support flv MediaDataSource input!");if(t.hasOwnProperty("segments"))throw new k("NativePlayer(".concat(t.type,") doesn't support 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i=this;e===K.MEDIA_INFO?null!=this._mediaElement&&0!==this._mediaElement.readyState&&Promise.resolve().then((function(){i._emitter.emit(K.MEDIA_INFO,i.mediaInfo)})):e===K.STATISTICS_INFO&&null!=this._mediaElement&&0!==this._mediaElement.readyState&&Promise.resolve().then((function(){i._emitter.emit(K.STATISTICS_INFO,i.statisticsInfo)})),this._emitter.addListener(e,t)}},{key:"off",value:function(e,t){this._emitter.removeListener(e,t)}},{key:"attachMediaElement",value:function(e){if(this._mediaElement=e,e.addEventListener("loadedmetadata",this.e.onvLoadedMetadata),null!=this._pendingSeekTime)try{e.currentTime=this._pendingSeekTime,this._pendingSeekTime=null}catch(e){}}},{key:"detachMediaElement",value:function(){this._mediaElement&&(this._mediaElement.src="",this._mediaElement.removeAttribute("src"),this._mediaElement.removeEventListener("loadedmetadata",this.e.onvLoadedMetadata),this._mediaElement=null),null!=this._statisticsReporter&&(window.clearInterval(this._statisticsReporter),this._statisticsReporter=null)}},{key:"load",value:function(){if(!this._mediaElement)throw new S("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)}},{key:"unload",value:function(){this._mediaElement&&(this._mediaElement.src="",this._mediaElement.removeAttribute("src")),null!=this._statisticsReporter&&(window.clearInterval(this._statisticsReporter),this._statisticsReporter=null)}},{key:"play",value:function(){return this._mediaElement.play()}},{key:"pause",value:function(){this._mediaElement.pause()}},{key:"type",get:function(){return this._type}},{key:"buffered",get:function(){return this._mediaElement.buffered}},{key:"duration",get:function(){return this._mediaElement.duration}},{key:"volume",get:function(){return this._mediaElement.volume},set:function(e){this._mediaElement.volume=e}},{key:"muted",get:function(){return this._mediaElement.muted},set:function(e){this._mediaElement.muted=e}},{key:"currentTime",get:function(){return this._mediaElement?this._mediaElement.currentTime:0},set:function(e){this._mediaElement?this._mediaElement.currentTime=e:this._pendingSeekTime=e}},{key:"mediaInfo",get:function(){var e={mimeType:(this._mediaElement instanceof HTMLAudioElement?"audio/":"video/")+this._mediaDataSource.type};return this._mediaElement&&(e.duration=Math.floor(1e3*this._mediaElement.duration),this._mediaElement instanceof HTMLVideoElement&&(e.width=this._mediaElement.videoWidth,e.height=this._mediaElement.videoHeight)),e}},{key:"statisticsInfo",get:function(){var e={playerType:this._type,url:this._mediaDataSource.url};if(!(this._mediaElement instanceof HTMLVideoElement))return e;var t=!0,i=0,n=0;if(this._mediaElement.getVideoPlaybackQuality){var r=this._mediaElement.getVideoPlaybackQuality();i=r.totalVideoFrames,n=r.droppedVideoFrames}else null!=this._mediaElement.webkitDecodedFrameCount?(i=this._mediaElement.webkitDecodedFrameCount,n=this._mediaElement.webkitDroppedFrameCount):t=!1;return t&&(e.decodedFrames=i,e.droppedFrames=n),e}},{key:"_onvLoadedMetadata",value:function(e){null!=this._pendingSeekTime&&(this._mediaElement.currentTime=this._pendingSeekTime,this._pendingSeekTime=null),this._emitter.emit(K.MEDIA_INFO,this.mediaInfo)}},{key:"_reportStatisticsInfo",value:function(){this._emitter.emit(K.STATISTICS_INFO,this.statisticsInfo)}}]),e}();l.install();var ke={createPlayer:function(e,t){var i=e;if(null==i||"object"!==r()(i))throw new k("MediaDataSource must be an javascript object!");if(!i.hasOwnProperty("type"))throw new k("MediaDataSource must has type field to indicate video file type!");return"flv"===i.type?new Ee(i,t):new Se(i,t)},isSupported:function(){return 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