Module 108110

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0,t._framesProcessed=0,t._targetPerFrameTime=1e3/60,t._actualPerFrameTime=0,t._totalFrameTime=0,t._totalFrameCount=0,t._playTime=0,t._bufferTime=0,t._drawingTime=0,t._proxyTime=0,t._totalJitter=0,t._droppedAudio=0,t._delayedAudio=0,t._lateFrames=0,t._poster="",t._thumbnail=null,t._frameEndTimestamp=0,t._audioEndTimestamp=0,t._decodedFrames=[],t._pendingFrames=[],t._lastFrameDecodeTime=0,t._lastFrameVideoCpuTime=0,t._lastFrameAudioCpuTime=0,t._lastFrameDemuxerCpuTime=0,t._lastFrameDrawingTime=0,t._lastFrameBufferTime=0,t._lastFrameProxyTime=0,t._lastVideoCpuTime=0,t._lastAudioCpuTime=0,t._lastDemuxerCpuTime=0,t._lastBufferTime=0,t._lastProxyTime=0,t._lastDrawingTime=0,t._lastFrameTimestamp=0,t._currentVideoCpuTime=0,t._lastTimeUpdate=0,t._timeUpdateInterval=250,t._seekTargetTime=0,t._bisectTargetTime=0,t._seekMode=null,t._lastSeekPosition=null,t._seekBisector=null,t._didSeek=null,t._depth=0,t._needProcessing=!1,t._pendingFrame=0,t._pendingAudio=0,t._framePipelineDepth=8,t._frameParallelism=t._enableThreading?Math.min(16,navigator.hardwareConcurrency)||1:0,t._audioPipelineDepth=12,t._videoInfo=null,t._audioInfo=null,t._width=0,t._height=0,t._volume=1,t._playbackRate=1,Object.defineProperties((0,s.default)(t),{src:{get:function(){return this.getAttribute("src")||""},set:function(e){this.setAttribute("src",e),this._loading=!1,this._prepForLoad("interactive")}},buffered:{get:function(){var e,t=this;return e=this._stream&&this._byteLength&&this._duration?this._stream.getBufferedRanges().map(function(e){return e.map(function(e){return e/t._stream.length*t._duration})}):[[0,0]],new w.default(e)}},seekable:{get:function(){return new w.default(this.duration<1/0&&this._stream&&this._stream.seekable&&this._codec&&this._codec.seekable?[[0,this._duration]]:[])}},currentTime:{get:function(){return this._state==M?this._seekTargetTime:this._codec?this._state!=O||this._paused?this._initialPlaybackOffset:this._getPlaybackTime():this._initialSeekTime},set:function(e){this._seek(e,"exact")}},duration:{get:function(){return this._codec&&this._codec.loadedMetadata?null!==this._duration?this._duration:1/0:NaN}},paused:{get:function(){return this._paused}},ended:{get:function(){return this._ended}},seeking:{get:function(){return this._state==M}},muted:{get:function(){return this._muted},set:function(e){this._muted=e,this._audioFeeder?this._audioFeeder.muted=this._muted:this._started&&!this._muted&&this._codec&&this._codec.hasAudio&&(this._log("unmuting: switching from timer to audio clock"),this._initAudioFeeder(),this._startPlayback(this._audioEndTimestamp)),this._fireEventAsync("volumechange")}},poster:{get:function(){return this._poster},set:function(e){var t=this;if(this._poster=e,!this._started){this._thumbnail&&this.removeChild(this._thumbnail);var r=new Image;r.crossOrigin=this.crossOrigin,r.src=this._poster,r.className="ogvjs-poster",r.style.position="absolute",r.style.top="0",r.style.left="0",r.style.width="100%",r.style.height="100%",r.style.objectFit="contain",r.style.visibility="hidden",r.addEventListener("load",function(){t._thumbnail===r&&(n.styleManager.appendRule("."+t._instanceId,{width:r.naturalWidth+"px",height:r.naturalHeight+"px"}),r.style.visibility="visible")}),this._thumbnail=r,this.appendChild(r)}}},videoWidth:{get:function(){return this._videoInfo?this._videoInfo.displayWidth:0}},videoHeight:{get:function(){return this._videoInfo?this._videoInfo.displayHeight:0}},ogvjsVideoFrameRate:{get:function(){return this._videoInfo?0==this._videoInfo.fps?this._totalFrameCount/(this._totalFrameTime/1e3):this._videoInfo.fps:0}},ogvjsAudioChannels:{get:function(){return this._audioInfo?this._audioInfo.channels:0}},ogvjsAudioSampleRate:{get:function(){return this._audioInfo?this._audioInfo.rate:0}},width:{get:function(){return this._width},set:function(e){this._width=parseInt(e,10),this.style.width=this._width+"px"}},height:{get:function(){return this._height},set:function(e){this._height=parseInt(e,10),this.style.height=this._height+"px"}},autoplay:{get:function(){return!1},set:function(e){}},controls:{get:function(){return!1},set:function(e){}},loop:{get:function(){return!1},set:function(e){}},crossOrigin:{get:function(){return this._crossOrigin},set:function(e){switch(e){case null:this._crossOrigin=e,this.removeAttribute("crossorigin");break;default:e="anonymous";case"":case"anonymous":case"use-credentials":this._crossOrigin=e,this.setAttribute("crossorigin",e)}this._thumbnail&&(this._thumbnail.crossOrigin=e)}},currentSrc:{get:function(){return this._currentSrc}},defaultMuted:{get:function(){return!1}},defaultPlaybackRate:{get:function(){return 1}},error:{get:function(){return this._state===I?this._mediaError?this._mediaError:new y.default("unknown error occurred in media procesing"):null}},preload:{get:function(){return this.getAttribute("preload")||""},set:function(e){this.setAttribute("preload",e)}},readyState:{get:function(){return this._stream&&this._codec&&this._codec.loadedMetadata?n.HAVE_ENOUGH_DATA:n.HAVE_NOTHING}},networkState:{get:function(){return this._stream?this._stream.waiting?n.NETWORK_LOADING:n.NETWORK_IDLE:this.readyState==n.HAVE_NOTHING?n.NETWORK_EMPTY:n.NETWORK_NO_SOURCE}},playbackRate:{get:function(){return this._playbackRate},set:function(e){var t=Number(e)||1;this._audioFeeder?this._audioFeeder.tempo=t:this._paused||(this._initialPlaybackOffset=this._getPlaybackTime(),this._initialPlaybackPosition=t*i()/1e3),this._playbackRate=t,this._fireEventAsync("ratechange")}},played:{get:function(){return new w.default([[0,this.currentTime]])}},volume:{get:function(){return this._volume},set:function(e){this._volume=+e,this._audioFeeder&&(this._audioFeeder.volume=this._volume),this._fireEventAsync("volumechange")}}}),t.onframecallback=null,t.onloadstate=null,t.onprogress=null,t.onsuspend=null,t.onabort=null,t.onemptied=null,t.onstalled=null,t.onloadedmetadata=null,t.onloadeddata=null,t.oncanplay=null,t.oncanplaythrough=null,t.onplaying=null,t.onwaiting=null,t.onseeking=null,t.onseeked=null,t.onended=null,t.ondurationchange=null,t.ontimeupdate=null,t.onplay=null,t.onpause=null,t.onratechange=null,t.onresize=null,t.onvolumechange=null,t.onaudiofeedercreated=null,t}return(0,a.default)(n,[{key:"_time",value:function(e){var t=i();e();var r=i()-t;return this._lastFrameDecodeTime+=r,r}},{key:"_log",value:function(e){var t=this._options;if(t.debug){var r=i()-this._startTime;t.debugFilter&&!e.match(t.debugFilter)||console.log("["+Math.round(10*r)/10+"ms] "+e)}}},{key:"_fireEvent",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};this._log("fireEvent "+e);var r,n="function"==typeof Event;for(var i in n?r=new CustomEvent(e):(r=document.createEvent("Event")).initEvent(e,!1,!1),t)t.hasOwnProperty(i)&&(r[i]=t[i]);var o=this.dispatchEvent(r);!n&&"resize"===e&&this.onresize&&o&&this.onresize.call(this,r)}},{key:"_fireEventAsync",value:function(e){var t=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};this._log("fireEventAsync "+e),E(function(){t._fireEvent(e,r)})}},{key:"_initAudioFeeder",value:function(){var e=this,t=this._options,r={bufferSize:8192};t.audioContext&&(r.audioContext=t.audioContext),t.audioDestination&&(r.output=t.audioDestination),t.audioBackendFactory&&(r.backendFactory=t.audioBackendFactory);var n=this._audioFeeder=new h.default(r);n.init(this._audioInfo.channels,this._audioInfo.rate),this.onaudiofeedercreated&&this.onaudiofeedercreated(this._audioFeeder),n.bufferThreshold=1,n.volume=this.volume,n.muted=this.muted,n.tempo=this.playbackRate,n.onbufferlow=function(){e._log("onbufferlow"),e._stream&&(e._stream.buffering||e._stream.seeking)||e._pendingAudio||e._pingProcessing()},n.onstarved=function(){e._dataEnded?e._log("onstarved: appear to have reached end of audio"):(e._log("onstarved: halting audio due to starvation"),e._stopPlayback(),e._prebufferingAudio=!0),e._isProcessing()||e._pingProcessing(0)}}},{key:"_startPlayback",value:function(e){if(this._audioFeeder){this._audioFeeder.start();var t=this._audioFeeder.getPlaybackState();this._initialPlaybackPosition=t.playbackPosition}else this._initialPlaybackPosition=this._playbackRate*i()/1e3;void 0!==e&&(this._initialPlaybackOffset=e),this._prebufferingAudio=!1,this._log("continuing at "+this._initialPlaybackPosition+", "+this._initialPlaybackOffset)}},{key:"_stopPlayback",value:function(){this._initialPlaybackOffset=this._getPlaybackTime(),this._log("pausing at "+this._initialPlaybackOffset),this._audioFeeder&&this._audioFeeder.stop()}},{key:"_getPlaybackTime",value:function(e){return this._prebufferingAudio||this._paused?this._initialPlaybackOffset:(this._audioFeeder?(e=e||this._audioFeeder.getPlaybackState()).playbackPosition:this._playbackRate*i()/1e3)-this._initialPlaybackPosition+this._initialPlaybackOffset}},{key:"_stopVideo",value:function(){this._log("STOPPING"),this._state=k,this._seekState=R,this._started=!1,this._ended=!1,this._frameEndTimestamp=0,this._audioEndTimestamp=0,this._lastFrameDecodeTime=0,this._prebufferingAudio=!1,this._actionQueue.splice(0,this._actionQueue.length),this._stream&&(this._stream.abort(),this._stream=null,this._streamEnded=!1),this._codec&&(this._codec.close(),this._codec=null,this._pendingFrame=0,this._pendingAudio=0,this._dataEnded=!1),this._videoInfo=null,this._audioInfo=null,this._audioFeeder&&(this._audioFeeder.close(),this._audioFeeder=null),this._nextProcessingTimer&&(clearTimeout(this._nextProcessingTimer),this._nextProcessingTimer=null),this._nextFrameTimer&&(clearTimeout(this._nextFrameTimer),this._nextFrameTimer=null),this._frameSink&&(this._frameSink.clear(),this._frameSink=null),this._decodedFrames&&(this._decodedFrames=[]),this._pendingFrames&&(this._pendingFrames=[]),this._initialSeekTime=0,this._initialPlaybackPosition=0,this._initialPlaybackOffset=0,this._duration=null}},{key:"_doFrameComplete",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this._startedPlaybackInDocument&&!document.body.contains(this)&&E(function(){e.stop()});var r=i(),n=r-this._lastFrameTimestamp,o=this._actualPerFrameTime-this._targetPerFrameTime;this._totalJitter+=Math.abs(o),this._playTime+=n;var a={cpuTime:this._lastFrameDecodeTime,drawingTime:this._drawingTime-this._lastFrameDrawingTime,bufferTime:this._bufferTime-this._lastFrameBufferTime,proxyTime:this._proxyTime-this._lastFrameProxyTime,demuxerTime:0,videoTime:0,audioTime:0,clockTime:this._actualPerFrameTime,late:t.dropped,dropped:t.dropped};function s(e){return Math.round(10*e)/10}this._codec&&(a.demuxerTime=this._codec.demuxerCpuTime-this._lastFrameDemuxerCpuTime,a.videoTime+=this._currentVideoCpuTime-this._lastFrameVideoCpuTime,a.audioTime+=this._codec.audioCpuTime-this._lastFrameAudioCpuTime),a.cpuTime+=a.demuxerTime,this._lastFrameDecodeTime=0,this._lastFrameTimestamp=r,this._codec?(this._lastFrameVideoCpuTime=this._currentVideoCpuTime,this._lastFrameAudioCpuTime=this._codec.audioCpuTime,this._lastFrameDemuxerCpuTime=this._codec.demuxerCpuTime):(this._lastFrameVideoCpuTime=0,this._lastFrameAudioCpuTime=0,this._lastFrameDemuxerCpuTime=0),this._lastFrameDrawingTime=this._drawingTime,this._lastFrameBufferTime=this._bufferTime,this._lastFrameProxyTime=this._proxyTime,this._log("drew frame "+t.frameEndTimestamp+": clock time "+s(n)+" (jitter "+s(o)+") cpu: "+s(a.cpuTime)+" (mux: "+s(a.demuxerTime)+" buf: "+s(a.bufferTime)+" draw: "+s(a.drawingTime)+" proxy: "+s(a.proxyTime)+") vid: "+s(a.videoTime)+" aud: "+s(a.audioTime)),this._fireEventAsync("framecallback",a),(!this._lastTimeUpdate||r-this._lastTimeUpdate>=this._timeUpdateInterval)&&(this._lastTimeUpdate=r,this._fireEventAsync("timeupdate")),this._codec&&t.yCbCrBuffer&&this._codec.recycleFrame(t.yCbCrBuffer)}},{key:"_seekStream",value:function(e){var t=this;this._stream.seeking&&this._stream.abort(),this._stream.buffering&&this._stream.abort(),this._streamEnded=!1,this._dataEnded=!1,this._ended=!1,this._stream.seek(e).then(function(){t._readBytesAndWait()}).catch(function(e){t._onStreamError(e)})}},{key:"_onStreamError",value:function(e){"AbortError"===e.name?this._log("i/o promise canceled; ignoring"):(this._log("i/o error: "+e),this._mediaError=new y.default(y.default.MEDIA_ERR_NETWORK,String(e)),this._state=I,this._stopPlayback())}},{key:"_seek",value:function(e,t){var r=this;if(this._log("requested seek to "+e+", mode "+t),this.readyState==this.HAVE_NOTHING)return this._log("not yet loaded; saving seek position for later"),void(this._initialSeekTime=e);if(this._stream&&!this._stream.seekable)throw Error("Cannot seek a non-seekable stream");if(this._codec&&!this._codec.seekable)throw Error("Cannot seek in a non-seekable file");var n=function(n){r._stream&&r._stream.buffering&&r._stream.abort(),r._stream&&r._stream.seeking&&r._stream.abort(),r._actionQueue.splice(0,r._actionQueue.length),r._stopPlayback(),r._prebufferingAudio=!1,r._audioFeeder&&r._audioFeeder.flush(),r._state=M,r._seekTargetTime=e,r._seekMode=t,r._codec?r._codec.flush(n):n()};n(function(){r._isProcessing()||r._pingProcessing(0)}),this._actionQueue.push(function(){n(function(){r._doSeek(e)})})}},{key:"_doSeek",value:function(e){var t=this;this._streamEnded=!1,this._dataEnded=!1,this._ended=!1,this._state=M,this._seekTargetTime=e,this._lastSeekPosition=-1,this._decodedFrames=[],this._pendingFrames=[],this._pendingFrame=0,this._pendingAudio=0,this._didSeek=!1,this._codec.seekToKeypoint(e,function(r){r?(t._seekState=F,t._fireEventAsync("seeking"),t._didSeek||t._pingProcessing()):t._codec.getKeypointOffset(e,function(e){e>0?(t._seekState=F,t._seekStream(e)):(t._seekState=D,t._startBisection(t._seekTargetTime)),t._fireEventAsync("seeking")})})}},{key:"_startBisection",value:function(e){var t=this,r=Math.max(0,this._stream.length-65536);this._bisectTargetTime=e,this._seekBisector=new g.default({start:0,end:r,process:function(e,r,n){return n!=t._lastSeekPosition&&(t._lastSeekPosition=n,t._codec.flush(function(){t._seekStream(n)}),!0)}}),this._seekBisector.start()}},{key:"_continueSeekedPlayback",value:function(){var e=this;this._seekState=R,this._state=A,this._frameEndTimestamp=this._codec.frameTimestamp,this._audioEndTimestamp=this._codec.audioTimestamp,this._codec.hasAudio?this._seekTargetTime=this._codec.audioTimestamp:this._seekTargetTime=this._codec.frameTimestamp,this._initialPlaybackOffset=this._seekTargetTime;var t=function(){e._lastTimeUpdate=e._seekTargetTime,e._fireEventAsync("timeupdate"),e._fireEventAsync("seeked"),e._isProcessing()||e._pingProcessing()};if(this._codec.hasVideo&&this._decodedFrames.length){var r=this._decodedFrames.shift();this._drawFrame(r.yCbCrBuffer),t()}else{if(this._codec.hasVideo&&this._codec.frameReady)return this._codec.decodeFrame(function(r){r&&e._drawFrame(e._codec.frameBuffer),t()}),void this._codec.sync();t()}}},{key:"_drawFrame",value:function(e){this._thumbnail&&(this.removeChild(this._thumbnail),this._thumbnail=null),this._frameSink.drawFrame(e)}},{key:"_doProcessLinearSeeking",value:function(){var e,t=this;if(e=this._codec.hasVideo?this._targetPerFrameTime/1e3:1/256,this._codec.hasVideo){if(this._pendingFrame)return;if(!this._codec.frameReady)return void this._codec.process(function(e){e?t._pingProcessing():t._streamEnded?(t._log("stream ended during linear seeking on video"),t._dataEnded=!0,t._continueSeekedPlayback()):t._readBytesAndWait()});if(this._seekMode===N&&this._codec.keyframeTimestamp==this._codec.frameTimestamp)return void this._continueSeekedPlayback();if(this._codec.frameTimestamp<=this._seekTargetTime){var r=this._codec.frameTimestamp;return this._pendingFrame++,this._pendingFrames.push({frameEndTimestamp:r}),this._decodedFrames.splice(0,this._decodedFrames.length),this._codec.decodeFrame(function(e){t._pendingFrame--,t._pendingFrames.shift(),t._decodedFrames.push({yCbCrBuffer:t._codec.frameBuffer,videoCpuTime:t._codec.videoCpuTime,frameEndTimestamp:r}),t._pingProcessing()}),void this._codec.sync()}if(!this._codec.hasAudio)return void this._continueSeekedPlayback()}if(this._codec.hasAudio){if(this._pendingAudio)return;return this._codec.audioReady?this._codec.audioTimestamp+e<this._seekTargetTime?void this._codec.decodeAudio(function(){t._pingProcessing()}):void this._continueSeekedPlayback():void this._codec.process(function(e){e?t._pingProcessing():t._streamEnded?(t._log("stream ended during linear seeking on audio"),t._dataEnded=!0,t._continueSeekedPlayback()):t._readBytesAndWait()})}}},{key:"_doProcessBisectionSeek",value:function(){var e,t,r=this;if(this._codec.hasVideo)t=this._codec.frameTimestamp,e=this._targetPerFrameTime/1e3;else{if(!this._codec.hasAudio)throw Error("Invalid seek state; no audio or video track available");t=this._codec.audioTimestamp,e=1/256}t<0?this._codec.process(function(e){if(e)r._pingProcessing();else if(r._streamEnded){if(r._log("stream ended during bisection seek"),!r._seekBisector.right())throw r._log("failed going back"),Error("not sure what to do")}else r._readBytesAndWait()}):t-e/2>this._bisectTargetTime?this._seekBisector.left()||(this._log("close enough (left)"),this._seekTargetTime=t,this._continueSeekedPlayback()):t+e/2<this._bisectTargetTime?this._seekBisector.right()||(this._log("close enough (right)"),this._seekState=F,this._pingProcessing()):this._seekState==D&&this._codec.hasVideo&&this._codec.keyframeTimestamp<this._codec.frameTimestamp?(this._log("finding the keypoint now"),this._seekState=L,this._startBisection(this._codec.keyframeTimestamp)):(this._log("straight seeking now"),this._seekState=F,this._pingProcessing())}},{key:"_setupVideo",value:function(){this._videoInfo.fps>0?this._targetPerFrameTime=1e3/this._videoInfo.fps:this._targetPerFrameTime=16.667,this._canvas.width=this._videoInfo.displayWidth,this._canvas.height=this._videoInfo.displayHeight,n.styleManager.appendRule("."+this._instanceId,{width:this._videoInfo.displayWidth+"px",height:this._videoInfo.displayHeight+"px"});var e={};void 0!==this._options.webGL&&(e.webGL=this._options.webGL),this._options.forceWebGL&&(e.webGL="required"),this._frameSink=d.default.attach(this._canvas,e)}},{key:"_doProcessing",value:function(){if(this._didSeek&&(this._didSeek=!1),this._nextProcessingTimer=null,this._isProcessing(),this._depth>0)throw Error("REENTRANCY FAIL: doProcessing recursing unexpectedly");var e=0;do{if(this._needProcessing=!1,this._depth++,this._doProcessingLoop(),this._depth--,this._needProcessing&&this._isProcessing())throw Error("REENTRANCY FAIL: waiting on input or codec but asked to keep processing");++e>500&&(this._log("stuck in processing loop; breaking with timer"),this._needProcessing=0,this._pingProcessing(0))}while(this._needProcessing)}},{key:"_doProcessingLoop",value:function(){if(this._actionQueue.length)this._actionQueue.shift()();else if(this._state==k)this._doProcessInitial();else if(this._state==T)this._doProcessSeekingEnd();else if(this._state==C)this._doProcessLoaded();else if(this._state==P)this._doProcessPreload();else if(this._state==A)this._doProcessReady();else if(this._state==M)this._doProcessSeeking();else if(this._state==O)this._doProcessPlay();else{if(this._state!=I)throw Error("Unexpected OGVPlayer state "+this._state);this._doProcessError()}}},{key:"_doProcessInitial",value:function(){var e=this;if(this._codec.loadedMetadata){if(!this._codec.hasVideo&&!this._codec.hasAudio)throw Error("No audio or video found, something is wrong");this._codec.hasAudio&&(this._audioInfo=this._codec.audioFormat),this._codec.hasVideo&&(this._videoInfo=this._codec.videoFormat,this._setupVideo()),isNaN(this._codec.duration)||(this._duration=this._codec.duration),null===this._duration&&this._stream.seekable&&"video/ogg"==this._detectedType?(this._state=T,this._lastSeenTimestamp=-1,this._codec.flush(function(){e._seekStream(Math.max(0,e._stream.length-131072))})):(this._state=C,this._pingProcessing())}else this._codec.process(function(t){if(t)e._pingProcessing();else{if(e._streamEnded)throw Error("end of file before headers found");e._log("reading more cause we are out of data"),e._readBytesAndWait()}})}},{key:"_doProcessSeekingEnd",value:function(){var e=this;this._codec.frameReady?(this._log("saw frame with "+this._codec.frameTimestamp),this._lastSeenTimestamp=Math.max(this._lastSeenTimestamp,this._codec.frameTimestamp),this._codec.discardFrame(function(){e._pingProcessing()})):this._codec.audioReady?(this._log("saw audio with "+this._codec.audioTimestamp),this._lastSeenTimestamp=Math.max(this._lastSeenTimestamp,this._codec.audioTimestamp),this._codec.discardAudio(function(){e._pingProcessing()})):this._codec.process(function(t){t?e._pingProcessing():e._stream.eof?(e._log("seek-duration: we are at the end: "+e._lastSeenTimestamp),e._lastSeenTimestamp>0&&(e._duration=e._lastSeenTimestamp),e._state=C,e._codec.flush(function(){e._streamEnded=!1,e._dataEnded=!1,e._seekStream(0)})):e._readBytesAndWait()})}},{key:"_doProcessLoaded",value:function(){this._state=P,this._fireEventAsync("loadedmetadata"),this._fireEventAsync("durationchange"),this._codec.hasVideo&&this._fireEventAsync("resize"),this._pingProcessing(0)}},{key:"_doProcessPreload",value:function(){var e=this;!this._codec.frameReady&&this._codec.hasVideo||!this._codec.audioReady&&this._codec.hasAudio?this._codec.process(function(t){t?e._pingProcessing():e._streamEnded?e._ended=!0:e._readBytesAndWait()}):(this._state=A,this._fireEventAsync("loadeddata"),this._pingProcessing())}},{key:"_doProcessReady",value:function(){var e=this;if(this._log("initial seek to "+this._initialSeekTime),this._initialSeekTime>0){var t=this._initialSeekTime;this._initialSeekTime=0,this._log("initial seek to "+t),this._doSeek(t)}else if(this._paused)this._log("paused while in ready");else{var r=function(){e._log("finishStartPlaying"),e._state=O,e._lastFrameTimestamp=i(),e._codec.hasAudio&&e._audioFeeder?e._prebufferingAudio=!0:e._startPlayback(),e._pingProcessing(0),e._fireEventAsync("play"),e._fireEventAsync("playing")};!this._codec.hasAudio||this._audioFeeder||this._muted?r():(this._initAudioFeeder(),this._audioFeeder.waitUntilReady(r))}}},{key:"_doProcessSeeking",value:function(){if(this._seekState==R)throw Error("seeking in invalid state (not seeking?)");if(this._seekState==D)this._doProcessBisectionSeek();else if(this._seekState==L)this._doProcessBisectionSeek();else{if(this._seekState!=F)throw Error("Invalid seek state "+this._seekState);this._doProcessLinearSeeking()}}},{key:"_doProcessPlay",value:function(){var e=this,t=this._codec;if(this._paused)this._log("paused during playback; stopping loop");else if((!t.hasAudio||t.audioReady||this._pendingAudio||this._dataEnded)&&(!t.hasVideo||t.frameReady||this._pendingFrame||this._decodedFrames.length||this._dataEnded)){var r,n,i,o=null,a=0,s=!1,l=0;if(t.hasAudio&&this._audioFeeder?(o=this._audioFeeder.getPlaybackState(),a=this._getPlaybackTime(o),s=this._dataEnded&&0==this._audioFeeder.durationBuffered,this._prebufferingAudio&&(this._audioFeeder.durationBuffered>=2*this._audioFeeder.bufferThreshold&&(!t.hasVideo||this._decodedFrames.length>=this._framePipelineDepth)||this._dataEnded)&&(this._log("prebuffering audio done; buffered to "+this._audioFeeder.durationBuffered),this._startPlayback(a),this._prebufferingAudio=!1),o.dropped!=this._droppedAudio&&this._log("dropped "+(o.dropped-this._droppedAudio)),o.delayed!=this._delayedAudio&&this._log("delayed "+(o.delayed-this._delayedAudio)),this._droppedAudio=o.dropped,this._delayedAudio=o.delayed,(r=this._audioFeeder.durationBuffered<=2*this._audioFeeder.bufferThreshold)&&(this._codec.audioReady?this._pendingAudio>=this._audioPipelineDepth&&(this._log("audio decode disabled: "+this._pendingAudio+" packets in flight"),r=!1):r=!1)):(a=this._getPlaybackTime(),r=this._codec.audioReady&&this._audioEndTimestamp<a),this._codec.hasVideo){n=this._decodedFrames.length>0,i=this._pendingFrame+this._decodedFrames.length<this._framePipelineDepth+this._frameParallelism&&this._codec.frameReady,n&&(l=1e3*(this._decodedFrames[0].frameEndTimestamp-a),this._actualPerFrameTime=this._targetPerFrameTime-l);var u=this._targetPerFrameTime;if(this._prebufferingAudio)i&&this._log("decoding a frame during prebuffering"),n=!1;else if(n&&this._dataEnded&&s)this._log("audio timeline ended? ready to draw frame");else if(n&&-l>=u){for(var c=-1,f=0;f<this._decodedFrames.length-1;f++)this._decodedFrames[f].frameEndTimestamp<a&&(c=f-1);if(c>=0)for(;c-- >=0;){this._lateFrames++;var d=this._decodedFrames.shift();this._log("skipping already-decoded late frame at "+d.frameEndTimestamp),l=1e3*(d.frameEndTimestamp-a),this._frameEndTimestamp=d.frameEndTimestamp,this._actualPerFrameTime=this._targetPerFrameTime-l,this._framesProcessed++,d.dropped=!0,this._doFrameComplete(d)}var p=this._codec.nextKeyframeTimestamp,h=p-this._targetPerFrameTime/1e3*(this._framePipelineDepth+this._pendingFrame);if(p>=0&&p!=this._codec.frameTimestamp&&a>=h){this._log("skipping late frame at "+this._decodedFrames[0].frameEndTimestamp+" vs "+a+", expect to see keyframe at "+p);for(var m=0;m<this._decodedFrames.length;m++){var g=this._decodedFrames[m];this._lateFrames++,this._framesProcessed++,this._frameEndTimestamp=g.frameEndTimestamp,l=1e3*(g.frameEndTimestamp-a),this._actualPerFrameTime=this._targetPerFrameTime-l,g.dropped=!0,this._doFrameComplete(g)}this._decodedFrames=[];for(var v=0;v<this._pendingFrames.length;v++){var y=this._pendingFrames[v];this._lateFrames++,this._framesProcessed++,this._frameEndTimestamp=y.frameEndTimestamp,l=1e3*(y.frameEndTimestamp-a),this._actualPerFrameTime=this._targetPerFrameTime-l,y.dropped=!0,this._doFrameComplete(y)}for(this._pendingFrames=[],this._pendingFrame=0;this._codec.frameReady&&this._codec.frameTimestamp<p;){var b={frameEndTimestamp:this._codec.frameTimestamp,dropped:!0};l=1e3*(b.frameEndTimestamp-a),this._actualPerFrameTime=this._targetPerFrameTime-l,this._lateFrames++,this._codec.discardFrame(function(){}),this._framesProcessed++,this._doFrameComplete(b)}return void(this._isProcessing()||this._pingProcessing())}}else n&&l<=4||(n=!1)}if(i){this._log("play loop: 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t=this;this._stopVideo(),this._currentSrc="",this._loading=!0,this._actionQueue.push(function(){e&&"none"===t.preload?t._loading=!1:(t._options.stream?t._stream=t._options.stream:t._stream=new p.default({url:t.src,cacheSize:0x1000000,progressive:!1}),t._stream.load().then(function(){t._loading=!1,t._currentSrc=t.src,t._byteLength=t._stream.seekable?t._stream.length:0;var e=t._stream.headers["x-content-duration"];"string"==typeof e&&(t._duration=parseFloat(e)),t._loadCodec(function(e){t._startProcessingVideo(e)})}).catch(function(e){t._onStreamError(e)}))}),this._pingProcessing(0)}},{key:"load",value:function(){this._prepForLoad()}},{key:"canPlayType",value:function(e){var t=new b.default(e);function r(e){if(t.codecs){var r=0,n=0;return 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this._frameSink}},{key:"getCanvas",value:function(){return this._canvas}},{key:"getVideo",value:function(){return null}},{key:"pause",value:function(){this._paused||(this._nextProcessingTimer&&(clearTimeout(this._nextProcessingTimer),this._nextProcessingTimer=null),this._stopPlayback(),this._prebufferingAudio=!1,this._paused=!0,this._fireEvent("pause"))}},{key:"stop",value:function(){this._stopVideo(),this._paused=!0}},{key:"fastSeek",value:function(e){this._seek(+e,N)}}],[{key:"initSharedAudioContext",value:function(){var e=document.createElement("audio");e.src=x.default,e.play(),h.default.initSharedAudioContext()}}]),n}(j);(0,v.default)(V,S),V.instanceCount=0,V.styleManager=new function(){var e=document.createElement("style");e.type="text/css",e.textContent="ogvjs { display: inline-block; position: relative; -webkit-user-select: none; -webkit-tap-highlight-color: rgba(0,0,0,0); ",document.head.appendChild(e);var t=e.sheet;this.appendRule=function(e,r){var n=[];for(var i in 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n=0;n<t.length;n++){var i=t[n];if(e<=this.cacheSize)break;this.remove(i),e-=i.length}}}},{key:"remove",value:function(e){var t=new i({start:e.start,end:e.end});this.splice(e,e,t,t),(e=t).prev&&e.prev.empty&&(e=this.consolidate(e.prev)),e.next&&e.next.empty&&!e.next.eof&&(e=this.consolidate(e)),0===e.start&&(this.head=e)}},{key:"consolidate",value:function(e){var t=e.last(function(e){return e.empty&&!e.eof}),r=new i({start:e.start,end:t.end});return this.splice(e,t,r,r),r}},{key:"splice",value:function(e,t,r,n){var i=this;if(e.start!==r.start)throw Error("invalid splice head");if(!(t.end===n.end||t.eof&&n.eof))throw Error("invalid splice tail");var o=e.prev,a=t.next;e.prev=null,t.next=null,o&&(o.next=r,r.prev=o),a&&(a.prev=n,n.next=a),e===this.head&&(this.head=r),t===this.tail&&(this.tail=n),this.readCursor=this.head.first(function(e){return e.contains(i.readOffset)}),this.writeCursor=this.head.first(function(e){return e.contains(i.writeOffset)})}},{key:"eof",get:function(){return 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r&&e(t.prototype,r),n&&e(t,n),t}}();r(566);var i=r(814),o=r(761);e.exports=function(){function e(t){var r=t.url,n=t.chunkSize,o=t.cacheSize,a=t.progressive;!function(e,t){if(!(e instanceof t))throw TypeError("Cannot call a class as a function")}(this,e),this.length=-1,this.loaded=!1,this.loading=!1,this.seekable=!1,this.buffering=!1,this.seeking=!1,this.progressive=void 0===a||a,Object.defineProperties(this,{offset:{get:function(){return this._cache.readOffset}},eof:{get:function(){return this.length===this._cache.readOffset}}}),this.url=void 0===r?"":r,this.headers={},this._cache=new i({cacheSize:void 0===o?0:o}),this._backend=null,this._cachever=0,this._chunkSize=void 0===n?1048576:n}return n(e,[{key:"load",value:function(){var e=this;return new Promise(function(t,r){if(e.loading)throw Error("cannot load when loading");if(e.loaded)throw Error("cannot load when loaded");e.loading=!0,e._openBackend().then(function(r){e.seekable=r.seekable,e.headers=r.headers,e.length=r.length,e.loaded=!0,e.loading=!1,t()}).catch(function(t){"AbortError"!==t.name&&(e.loading=!1),r(t)})})}},{key:"_openBackend",value:function(){var e=this;return new Promise(function(t,r){if(e._backend)t(e._backend);else if(e.eof)r(Error("cannot open at end of file"));else{var n=e._cache,i=e._chunkSize,a=n.bytesReadable(i),s=n.readOffset+a;if(n.seekWrite(s),e.length>=0&&s>=e.length)return void t(null);var l=e._clampToLength(n.writeOffset+n.bytesWritable(i))-n.writeOffset;if(0===l)t(null);else{var u=e._backend=new o({url:e.url,offset:e._cache.writeOffset,length:l,cachever:e._cachever,progressive:e.progressive}),c=null,f=function(){u!==e._backend?(c(),r(Error("invalid state"))):(u.on("buffer",function(t){u===e._backend&&e._cache.write(t)}),u.on("done",function(){u===e._backend&&(-1===e.length&&(e.length=e._backend.offset+e._backend.bytesRead),e._backend=null)}),t(u))},d=function(t){u!==e._backend?r(Error("invalid state")):(e._backend=null,r(t))};c=function(){u.off("open",f),u.off("error",d)},u.on("open",f),u.on("error",d),u.on("cachever",function(){e._cachever++}),u.load()}}})}},{key:"_readAhead",value:function(){var e=this;return new Promise(function(t,r){e._backend||e.eof?t():e._openBackend().then(function(){t()}).catch(function(e){r(e)})})}},{key:"seek",value:function(e){var t=this;return new Promise(function(r,n){if(!t.loaded||t.buffering||t.seeking)throw Error("invalid state");if(e!==(0|e)||e<0)throw Error("invalid input");if(t.length>=0&&e>t.length)throw Error("seek past end of file");if(!t.seekable)throw Error("seek on non-seekable stream");t._backend&&t.abort(),t._cache.seekRead(e),t._cache.seekWrite(e),t._readAhead().then(r).catch(n)})}},{key:"read",value:function(e){var t=this;return this.buffer(e).then(function(e){return t.readSync(e)})}},{key:"readSync",value:function(e){var t=this.bytesAvailable(e),r=new Uint8Array(t);if(this.readBytes(r)!==t)throw Error("failed to read expected data");return r.buffer}},{key:"readBytes",value:function(e){if(!this.loaded||this.buffering||this.seeking)throw Error("invalid state");if(!(e instanceof Uint8Array))throw Error("invalid input");var t=this._cache.readBytes(e);return this._readAhead(),t}},{key:"buffer",value:function(e){var t=this;return new Promise(function(r,n){if(!t.loaded||t.buffering||t.seeking)throw Error("invalid state");if(e!==(0|e)||e<0)throw Error("invalid input");var i=t._clampToLength(t.offset+e),o=i-t.offset,a=t.bytesAvailable(o);a>=o?r(a):(t.buffering=!0,t._openBackend().then(function(r){return r?r.bufferToOffset(i).then(function(){return t.buffering=!1,t.buffer(e)}):Promise.resolve(a)}).then(function(e){t.buffering=!1,r(e)}).catch(function(e){"AbortError"!==e.name&&(t.buffering=!1),n(e)}))})}},{key:"bytesAvailable",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:1/0;return this._cache.bytesReadable(e)}},{key:"abort",value:function(){this.loading&&(this.loading=!1),this.buffering&&(this.buffering=!1),this.seeking&&(this.seeking=!1),this._backend&&(this._backend.abort(),this._backend=null)}},{key:"getBufferedRanges",value:function(){return this._cache.ranges()}},{key:"_clampToLength",value:function(e){return this.length<0?e:Math.min(this.length,e)}}]),e}()},302:(e,t,r)=>{"use strict";r.r(t),r.d(t,{default:()=>n});let n="data:audio/mpeg;base64,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"},826:e=>{e.exports={vertex:"precision mediump float;\n\nattribute vec2 aPosition;\nattribute vec2 aLumaPosition;\nattribute vec2 aChromaPosition;\nvarying vec2 vLumaPosition;\nvarying vec2 vChromaPosition;\nvoid main() {\n    gl_Position = vec4(aPosition, 0, 1);\n    vLumaPosition = aLumaPosition;\n    vChromaPosition = aChromaPosition;\n}\n",fragment:"// inspired by https://github.com/mbebenita/Broadway/blob/master/Player/canvas.js\n\nprecision mediump float;\n\nuniform sampler2D uTextureY;\nuniform sampler2D uTextureCb;\nuniform sampler2D uTextureCr;\nvarying vec2 vLumaPosition;\nvarying vec2 vChromaPosition;\nvoid main() {\n   // Y, Cb, and Cr planes are uploaded as ALPHA textures.\n   float fY = texture2D(uTextureY, vLumaPosition).w;\n   float fCb = texture2D(uTextureCb, vChromaPosition).w;\n   float fCr = texture2D(uTextureCr, vChromaPosition).w;\n\n   // Premultipy the Y...\n   float fYmul = fY * 1.1643828125;\n\n   // And convert that to RGB!\n   gl_FragColor = vec4(\n     fYmul + 1.59602734375 * fCr - 0.87078515625,\n     fYmul - 0.39176171875 * fCb - 0.81296875 * fCr + 0.52959375,\n     fYmul + 2.017234375   * fCb - 1.081390625,\n     1\n   );\n}\n",vertexStripe:"precision mediump float;\n\nattribute vec2 aPosition;\nattribute vec2 aTexturePosition;\nvarying vec2 vTexturePosition;\n\nvoid main() {\n    gl_Position = vec4(aPosition, 0, 1);\n    vTexturePosition = aTexturePosition;\n}\n",fragmentStripe:"// extra 'stripe' texture fiddling to work around IE 11's poor performance on gl.LUMINANCE and gl.ALPHA textures\n\nprecision mediump float;\n\nuniform sampler2D uStripe;\nuniform sampler2D uTexture;\nvarying vec2 vTexturePosition;\nvoid main() {\n   // Y, Cb, and Cr planes are mapped into a pseudo-RGBA texture\n   // so we can upload them without expanding the bytes on IE 11\n   // which doesn't allow LUMINANCE or ALPHA textures\n   // The stripe textures mark which channel to keep for each pixel.\n   // Each texture extraction will contain the relevant value in one\n   // channel 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c,f=u.cropWidth!=u.displayWidth||u.cropHeight!=u.displayHeight;f?(i||(s=u.cropWidth,l=u.cropHeight,(i=document.createElement("canvas")).width=s,i.height=l,o=i.getContext("2d")),c=o):c=t,c.putImageData(r,-u.cropLeft,-u.cropTop,u.cropLeft,u.cropTop,u.cropWidth,u.cropHeight),f&&t.drawImage(i,0,0,u.displayWidth,u.displayHeight)},this.clear=function(){t.clearRect(0,0,e.width,e.height)},this}i.prototype=Object.create(t.prototype),e.exports=i}()},895:(e,t,r)=>{!function(){"use strict";var t=r(487),n=r(826);function i(e){var t,r,o=this,a=i.contextForCanvas(e);if(null===a)throw Error("WebGL unavailable");function s(e,t){var r=a.createShader(e);if(a.shaderSource(r,t),a.compileShader(r),!a.getShaderParameter(r,a.COMPILE_STATUS)){var n=a.getShaderInfoLog(r);throw a.deleteShader(r),Error("GL shader compilation for "+e+" failed: "+n)}return r}var l,u,c,f,d,p,h,m,g,v,y=new Float32Array([-1,-1,1,-1,-1,1,-1,1,1,-1,1,1]),b={},w={},_={};function x(e,t){return b[e]&&!t||(b[e]=a.createTexture()),b[e]}function E(e,t,r,n,o){var s=!b[e]||t,l=x(e,t);if(a.activeTexture(a.TEXTURE0),i.stripe){var u=!b[e+"_temp"]||t,c=x(e+"_temp",t);a.bindTexture(a.TEXTURE_2D,c),u?(a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_S,a.CLAMP_TO_EDGE),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_T,a.CLAMP_TO_EDGE),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MIN_FILTER,a.NEAREST),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MAG_FILTER,a.NEAREST),a.texImage2D(a.TEXTURE_2D,0,a.RGBA,r/4,n,0,a.RGBA,a.UNSIGNED_BYTE,o)):a.texSubImage2D(a.TEXTURE_2D,0,0,0,r/4,n,a.RGBA,a.UNSIGNED_BYTE,o);var f=b[e+"_stripe"],d=!f||t;d&&(f=x(e+"_stripe",t)),a.bindTexture(a.TEXTURE_2D,f),d&&(a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_S,a.CLAMP_TO_EDGE),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_T,a.CLAMP_TO_EDGE),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MIN_FILTER,a.NEAREST),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MAG_FILTER,a.NEAREST),a.texImage2D(a.TEXTURE_2D,0,a.RGBA,r,1,0,a.RGBA,a.UNSIGNED_BYTE,function(e){if(_[e])return _[e];for(var t=new Uint32Array(e),r=0;r<e;r+=4)t[r]=255,t[r+1]=65280,t[r+2]=0xff0000,t[r+3]=0xff000000;return _[e]=new Uint8Array(t.buffer)}(r)))}else a.bindTexture(a.TEXTURE_2D,l),s?(a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_S,a.CLAMP_TO_EDGE),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_T,a.CLAMP_TO_EDGE),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MIN_FILTER,a.LINEAR),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MAG_FILTER,a.LINEAR),a.texImage2D(a.TEXTURE_2D,0,a.ALPHA,r,n,0,a.ALPHA,a.UNSIGNED_BYTE,o)):a.texSubImage2D(a.TEXTURE_2D,0,0,0,r,n,a.ALPHA,a.UNSIGNED_BYTE,o)}function 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m=b[e+"_stripe"];a.activeTexture(a.TEXTURE2),a.bindTexture(a.TEXTURE_2D,m),a.uniform1i(d,2),a.bindBuffer(a.ARRAY_BUFFER,l),a.enableVertexAttribArray(u),a.vertexAttribPointer(u,2,a.FLOAT,!1,0,0),a.bindBuffer(a.ARRAY_BUFFER,c),a.enableVertexAttribArray(f),a.vertexAttribPointer(f,2,a.FLOAT,!1,0,0),a.viewport(0,0,n,i),a.drawArrays(a.TRIANGLES,0,y.length/2),a.bindFramebuffer(a.FRAMEBUFFER,null)}function k(e,r,n){a.activeTexture(r),a.bindTexture(a.TEXTURE_2D,b[e]),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_S,a.CLAMP_TO_EDGE),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_T,a.CLAMP_TO_EDGE),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MIN_FILTER,a.LINEAR),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MAG_FILTER,a.LINEAR),a.uniform1i(a.getUniformLocation(t,e),n)}function T(e,t){var r=s(a.VERTEX_SHADER,e),n=s(a.FRAGMENT_SHADER,t),i=a.createProgram();if(a.attachShader(i,r),a.attachShader(i,n),a.linkProgram(i),!a.getProgramParameter(i,a.LINK_STATUS)){var o=a.getProgramInfoLog(i);throw a.deleteProgram(i),Error("GL program linking failed: "+o)}return i}return o.drawFrame=function(s){var b=s.format,w=!t||e.width!==b.displayWidth||e.height!==b.displayHeight;if(w&&(e.width=b.displayWidth,e.height=b.displayHeight,o.clear()),t||function(){if(i.stripe){r=T(n.vertexStripe,n.fragmentStripe),a.getAttribLocation(r,"aPosition"),c=a.createBuffer();var e=new Float32Array([0,0,1,0,0,1,0,1,1,0,1,1]);a.bindBuffer(a.ARRAY_BUFFER,c),a.bufferData(a.ARRAY_BUFFER,e,a.STATIC_DRAW),f=a.getAttribLocation(r,"aTexturePosition"),d=a.getUniformLocation(r,"uStripe"),p=a.getUniformLocation(r,"uTexture")}t=T(n.vertex,n.fragment),l=a.createBuffer(),a.bindBuffer(a.ARRAY_BUFFER,l),a.bufferData(a.ARRAY_BUFFER,y,a.STATIC_DRAW),u=a.getAttribLocation(t,"aPosition"),h=a.createBuffer(),m=a.getAttribLocation(t,"aLumaPosition"),g=a.createBuffer(),v=a.getAttribLocation(t,"aChromaPosition")}(),w){var _=function(e,t,r){var n=b.cropLeft/r,i=(b.cropLeft+b.cropWidth)/r,o=(b.cropTop+b.cropHeight)/b.height,s=b.cropTop/b.height,l=new 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t={preferLowPowerToHighPerformance:!0,powerPreference:"low-power",failIfMajorPerformanceCaveat:!0,preserveDrawingBuffer:!0};return e.getContext("webgl",t)||e.getContext("experimental-webgl",t)},i.isAvailable=function(){var e,t=document.createElement("canvas");t.width=1,t.height=1;try{e=i.contextForCanvas(t)}catch(e){return!1}if(e){var r=e.TEXTURE0,n=e.createTexture(),o=new Uint8Array(16),a=i.stripe?1:4,s=i.stripe?e.RGBA:e.ALPHA,l=i.stripe?e.NEAREST:e.LINEAR;return e.activeTexture(r),e.bindTexture(e.TEXTURE_2D,n),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,l),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,l),e.texImage2D(e.TEXTURE_2D,0,s,a,4,0,s,e.UNSIGNED_BYTE,o),!e.getError()}return!1},i.prototype=Object.create(t.prototype),e.exports=i}()},627:(e,t,r)=>{!function(){"use strict";var t=r(877);e.exports={convertYCbCr:function(e,r){var 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