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r._enableThreading=!!e.threading,r._enableSIMD=!!e.simd,r._state=C,r._seekState=P,r._detectedType=null,r._canvas=document.createElement("canvas"),r._frameSink=null,r.className=r._instanceId,(0,m.default)((0,a.default)(r),N),r._view=r._canvas,r._view.style.position="absolute",r._view.style.top="0",r._view.style.left="0",r._view.style.width="100%",r._view.style.height="100%",r._view.style.objectFit="contain",r.appendChild(r._view),r._startTime=y(),r._codec=null,r._audioInfo=null,r._videoInfo=null,r._actionQueue=[],r._audioFeeder=null,r._muted=!1,r._initialPlaybackPosition=0,r._initialPlaybackOffset=0,r._prebufferingAudio=!1,r._initialSeekTime=0,r._currentSrc="",r._crossOrigin=null,r._streamEnded=!1,r._mediaError=null,r._dataEnded=!1,r._byteLength=0,r._duration=null,r._lastSeenTimestamp=null,r._nextProcessingTimer,r._nextFrameTimer=null,r._loading=!1,r._started=!1,r._paused=!0,r._ended=!1,r._startedPlaybackInDocument=!1,r._stream=void 0,r._framesProcessed=0,r._targetPerFrameTime=1e3/60,r._actualPerFrameTime=0,r._totalFrameTime=0,r._totalFrameCount=0,r._playTime=0,r._bufferTime=0,r._drawingTime=0,r._proxyTime=0,r._totalJitter=0,r._droppedAudio=0,r._delayedAudio=0,r._lateFrames=0,r._poster="",r._thumbnail=null,r._frameEndTimestamp=0,r._audioEndTimestamp=0,r._decodedFrames=[],r._pendingFrames=[],r._lastFrameDecodeTime=0,r._lastFrameVideoCpuTime=0,r._lastFrameAudioCpuTime=0,r._lastFrameDemuxerCpuTime=0,r._lastFrameDrawingTime=0,r._lastFrameBufferTime=0,r._lastFrameProxyTime=0,r._lastVideoCpuTime=0,r._lastAudioCpuTime=0,r._lastDemuxerCpuTime=0,r._lastBufferTime=0,r._lastProxyTime=0,r._lastDrawingTime=0,r._lastFrameTimestamp=0,r._currentVideoCpuTime=0,r._lastTimeUpdate=0,r._timeUpdateInterval=250,r._seekTargetTime=0,r._bisectTargetTime=0,r._seekMode=null,r._lastSeekPosition=null,r._seekBisector=null,r._didSeek=null,r._depth=0,r._needProcessing=!1,r._pendingFrame=0,r._pendingAudio=0,r._framePipelineDepth=8,r._frameParallelism=r._enableThreading?Math.min(16,navigator.hardwareConcurrency)||1:0,r._audioPipelineDepth=12,r._videoInfo=null,r._audioInfo=null,r._width=0,r._height=0,r._volume=1,r._playbackRate=1,Object.defineProperties((0,a.default)(r),{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 A.default(e)}},seekable:{get:function(){return new A.default(this.duration<1/0&&this._stream&&this._stream.seekable&&this._codec&&this._codec.seekable?[[0,this._duration]]:[])}},currentTime:{get:function(){return this._state==w?this._seekTargetTime:this._codec?this._state!=L||this._paused?this._initialPlaybackOffset:this._getPlaybackTime():this._initialSeekTime},set:function(e){this._seek(e,G)}},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==w}},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===M?this._mediaError?this._mediaError:new E.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*y()/1e3),this._playbackRate=t,this._fireEventAsync("ratechange")}},played:{get:function(){return new A.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")}}}),r.onframecallback=null,r.onloadstate=null,r.onprogress=null,r.onsuspend=null,r.onabort=null,r.onemptied=null,r.onstalled=null,r.onloadedmetadata=null,r.onloadeddata=null,r.oncanplay=null,r.oncanplaythrough=null,r.onplaying=null,r.onwaiting=null,r.onseeking=null,r.onseeked=null,r.onended=null,r.ondurationchange=null,r.ontimeupdate=null,r.onplay=null,r.onpause=null,r.onratechange=null,r.onresize=null,r.onvolumechange=null,r.onaudiofeedercreated=null,r}return(0,s.default)(n,[{key:"_time",value:function(e){var t=y();e();var n=y()-t;return this._lastFrameDecodeTime+=n,n}},{key:"_log",value:function(e){var t=this._options;if(t.debug){var n=y()-this._startTime;t.debugFilter&&!e.match(t.debugFilter)||console.log("["+Math.round(10*n)/10+"ms] "+e)}}},{key:"_fireEvent",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};this._log("fireEvent "+e);var n,r="function"==typeof Event;for(var i in r?n=new CustomEvent(e):(n=document.createEvent("Event")).initEvent(e,!1,!1),t)t.hasOwnProperty(i)&&(n[i]=t[i]);var s=this.dispatchEvent(n);!r&&"resize"===e&&this.onresize&&s&&this.onresize.call(this,n)}},{key:"_fireEventAsync",value:function(e){var t=this,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};this._log("fireEventAsync "+e),v(function(){t._fireEvent(e,n)})}},{key:"_initAudioFeeder",value:function(){var e=this,t=this._options,n={bufferSize:8192};t.audioContext&&(n.audioContext=t.audioContext),t.audioDestination&&(n.output=t.audioDestination),t.audioBackendFactory&&(n.backendFactory=t.audioBackendFactory);var r=this._audioFeeder=new f.default(n);r.init(this._audioInfo.channels,this._audioInfo.rate),this.onaudiofeedercreated&&this.onaudiofeedercreated(this._audioFeeder),r.bufferThreshold=1,r.volume=this.volume,r.muted=this.muted,r.tempo=this.playbackRate,r.onbufferlow=function(){e._log("onbufferlow"),e._stream&&(e._stream.buffering||e._stream.seeking)||e._pendingAudio||e._pingProcessing()},r.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*y()/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*y()/1e3)-this._initialPlaybackPosition+this._initialPlaybackOffset}},{key:"_stopVideo",value:function(){this._log("STOPPING"),this._state=C,this._seekState=P,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)&&v(function(){e.stop()});var n=y(),r=n-this._lastFrameTimestamp,i=this._actualPerFrameTime-this._targetPerFrameTime;this._totalJitter+=Math.abs(i),this._playTime+=r;var s={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 a(e){return Math.round(10*e)/10}this._codec&&(s.demuxerTime=this._codec.demuxerCpuTime-this._lastFrameDemuxerCpuTime,s.videoTime+=this._currentVideoCpuTime-this._lastFrameVideoCpuTime,s.audioTime+=this._codec.audioCpuTime-this._lastFrameAudioCpuTime),s.cpuTime+=s.demuxerTime,this._lastFrameDecodeTime=0,this._lastFrameTimestamp=n,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 "+a(r)+" (jitter "+a(i)+") cpu: "+a(s.cpuTime)+" (mux: "+a(s.demuxerTime)+" buf: "+a(s.bufferTime)+" draw: "+a(s.drawingTime)+" proxy: "+a(s.proxyTime)+") vid: "+a(s.videoTime)+" aud: "+a(s.audioTime)),this._fireEventAsync("framecallback",s),(!this._lastTimeUpdate||n-this._lastTimeUpdate>=this._timeUpdateInterval)&&(this._lastTimeUpdate=n,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 E.default(E.default.MEDIA_ERR_NETWORK,String(e)),this._state=M,this._stopPlayback())}},{key:"_seek",value:function(e,t){var n=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 r=function(r){n._stream&&n._stream.buffering&&n._stream.abort(),n._stream&&n._stream.seeking&&n._stream.abort(),n._actionQueue.splice(0,n._actionQueue.length),n._stopPlayback(),n._prebufferingAudio=!1,n._audioFeeder&&n._audioFeeder.flush(),n._state=w,n._seekTargetTime=e,n._seekMode=t,n._codec?n._codec.flush(r):r()};r(function(){n._isProcessing()||n._pingProcessing(0)}),this._actionQueue.push(function(){r(function(){n._doSeek(e)})})}},{key:"_doSeek",value:function(e){var t=this;this._streamEnded=!1,this._dataEnded=!1,this._ended=!1,this._state=w,this._seekTargetTime=e,this._lastSeekPosition=-1,this._decodedFrames=[],this._pendingFrames=[],this._pendingFrame=0,this._pendingAudio=0,this._didSeek=!1,this._codec.seekToKeypoint(e,function(n){n?(t._seekState=U,t._fireEventAsync("seeking"),t._didSeek||t._pingProcessing()):t._codec.getKeypointOffset(e,function(e){e>0?(t._seekState=U,t._seekStream(e)):(t._seekState=x,t._startBisection(t._seekTargetTime)),t._fireEventAsync("seeking")})})}},{key:"_startBisection",value:function(e){var t=this,n=Math.max(0,this._stream.length-65536);this._bisectTargetTime=e,this._seekBisector=new h.default({start:0,end:n,process:function(e,n,r){return r!=t._lastSeekPosition&&(t._lastSeekPosition=r,t._codec.flush(function(){t._seekStream(r)}),!0)}}),this._seekBisector.start()}},{key:"_continueSeekedPlayback",value:function(){var e=this;this._seekState=P,this._state=D,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 n=this._decodedFrames.shift();this._drawFrame(n.yCbCrBuffer),t()}else{if(this._codec.hasVideo&&this._codec.frameReady)return this._codec.decodeFrame(function(n){n&&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===F&&this._codec.keyframeTimestamp==this._codec.frameTimestamp)return void this._continueSeekedPlayback();if(this._codec.frameTimestamp<=this._seekTargetTime){var n=this._codec.frameTimestamp;return this._pendingFrame++,this._pendingFrames.push({frameEndTimestamp:n}),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:n}),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,n=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)n._pingProcessing();else if(n._streamEnded){if(n._log("stream ended during bisection seek"),!n._seekBisector.right())throw n._log("failed going back"),Error("not sure what to do")}else n._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=U,this._pingProcessing()):this._seekState==x&&this._codec.hasVideo&&this._codec.keyframeTimestamp<this._codec.frameTimestamp?(this._log("finding the keypoint now"),this._seekState=k,this._startBisection(this._codec.keyframeTimestamp)):(this._log("straight seeking now"),this._seekState=U,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==C)this._doProcessInitial();else if(this._state==R)this._doProcessSeekingEnd();else if(this._state==O)this._doProcessLoaded();else if(this._state==b)this._doProcessPreload();else if(this._state==D)this._doProcessReady();else if(this._state==w)this._doProcessSeeking();else if(this._state==L)this._doProcessPlay();else{if(this._state!=M)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=R,this._lastSeenTimestamp=-1,this._codec.flush(function(){e._seekStream(Math.max(0,e._stream.length-131072))})):(this._state=O,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=O,e._codec.flush(function(){e._streamEnded=!1,e._dataEnded=!1,e._seekStream(0)})):e._readBytesAndWait()})}},{key:"_doProcessLoaded",value:function(){this._state=b,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=D,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 n=function(){e._log("finishStartPlaying"),e._state=L,e._lastFrameTimestamp=y(),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?n():(this._initAudioFeeder(),this._audioFeeder.waitUntilReady(n))}}},{key:"_doProcessSeeking",value:function(){if(this._seekState==P)throw Error("seeking in invalid state (not seeking?)");if(this._seekState==x)this._doProcessBisectionSeek();else if(this._seekState==k)this._doProcessBisectionSeek();else{if(this._seekState!=U)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 n,r,i,s=null,a=0,o=!1,l=0;if(t.hasAudio&&this._audioFeeder?(s=this._audioFeeder.getPlaybackState(),a=this._getPlaybackTime(s),o=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),s.dropped!=this._droppedAudio&&this._log("dropped "+(s.dropped-this._droppedAudio)),s.delayed!=this._delayedAudio&&this._log("delayed "+(s.delayed-this._delayedAudio)),this._droppedAudio=s.dropped,this._delayedAudio=s.delayed,(n=this._audioFeeder.durationBuffered<=2*this._audioFeeder.bufferThreshold)&&(this._codec.audioReady?this._pendingAudio>=this._audioPipelineDepth&&(this._log("audio decode disabled: "+this._pendingAudio+" packets in flight"),n=!1):n=!1)):(a=this._getPlaybackTime(),n=this._codec.audioReady&&this._audioEndTimestamp<a),this._codec.hasVideo){r=this._decodedFrames.length>0,i=this._pendingFrame+this._decodedFrames.length<this._framePipelineDepth+this._frameParallelism&&this._codec.frameReady,r&&(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"),r=!1;else if(r&&this._dataEnded&&o)this._log("audio timeline ended? ready to draw frame");else if(r&&-l>=u){for(var c=-1,d=0;d<this._decodedFrames.length-1;d++)this._decodedFrames[d].frameEndTimestamp<a&&(c=d-1);if(c>=0)for(;c-- >=0;){this._lateFrames++;var _=this._decodedFrames.shift();this._log("skipping already-decoded late frame at "+_.frameEndTimestamp),l=1e3*(_.frameEndTimestamp-a),this._frameEndTimestamp=_.frameEndTimestamp,this._actualPerFrameTime=this._targetPerFrameTime-l,this._framesProcessed++,_.dropped=!0,this._doFrameComplete(_)}var f=this._codec.nextKeyframeTimestamp,p=f-this._targetPerFrameTime/1e3*(this._framePipelineDepth+this._pendingFrame);if(f>=0&&f!=this._codec.frameTimestamp&&a>=p){this._log("skipping late frame at "+this._decodedFrames[0].frameEndTimestamp+" vs "+a+", expect to see keyframe at "+f);for(var h=0;h<this._decodedFrames.length;h++){var m=this._decodedFrames[h];this._lateFrames++,this._framesProcessed++,this._frameEndTimestamp=m.frameEndTimestamp,l=1e3*(m.frameEndTimestamp-a),this._actualPerFrameTime=this._targetPerFrameTime-l,m.dropped=!0,this._doFrameComplete(m)}this._decodedFrames=[];for(var E=0;E<this._pendingFrames.length;E++){var g=this._pendingFrames[E];this._lateFrames++,this._framesProcessed++,this._frameEndTimestamp=g.frameEndTimestamp,l=1e3*(g.frameEndTimestamp-a),this._actualPerFrameTime=this._targetPerFrameTime-l,g.dropped=!0,this._doFrameComplete(g)}for(this._pendingFrames=[],this._pendingFrame=0;this._codec.frameReady&&this._codec.frameTimestamp<f;){var A={frameEndTimestamp:this._codec.frameTimestamp,dropped:!0};l=1e3*(A.frameEndTimestamp-a),this._actualPerFrameTime=this._targetPerFrameTime-l,this._lateFrames++,this._codec.discardFrame(function(){}),this._framesProcessed++,this._doFrameComplete(A)}return void(this._isProcessing()||this._pingProcessing())}}else r&&l<=4||(r=!1)}if(i){this._log("play loop: ready to decode frame; thread depth: "+this._pendingFrame+", have buffered: "+this._decodedFrames.length),0==this._videoInfo.fps&&this._codec.frameTimestamp-this._frameEndTimestamp>0&&(this._targetPerFrameTime=1e3*(this._codec.frameTimestamp-this._frameEndTimestamp)),this._totalFrameTime+=this._targetPerFrameTime,this._totalFrameCount++;var I=this._frameEndTimestamp=this._codec.frameTimestamp;this._pendingFrame++,this._pendingFrames.push({frameEndTimestamp:I});var T=this._pendingFrames,S=!1,y=this._time(function(){e._codec.decodeFrame(function(t){T===e._pendingFrames?(e._log("play loop callback: decoded frame"),e._pendingFrame--,e._pendingFrames.shift(),t?e._decodedFrames.push({yCbCrBuffer:e._codec.frameBuffer,videoCpuTime:e._codec.videoCpuTime,frameEndTimestamp:I}):e._log("Bad video packet or something"),e._codec.process(function(){e._isProcessing()||e._pingProcessing(S?void 0:0)})):e._log("play loop callback after flush, discarding")})});this._pendingFrame&&(S=!0,this._proxyTime+=y,this._pingProcessing(),this._dataEnded&&this._codec.sync())}else if(n){this._log("play loop: ready for audio; depth: "+this._pendingAudio),this._pendingAudio++;var v=this._codec.audioTimestamp,N=this._time(function(){e._codec.decodeAudio(function(t){if(e._pendingAudio--,e._log("play loop callback: decoded audio"),e._audioEndTimestamp=v,t){var n=e._codec.audioBuffer;if(n&&(e._bufferTime+=e._time(function(){e._audioFeeder&&e._audioFeeder.bufferData(n)}),!e._codec.hasVideo)){e._framesProcessed++;var r={frameEndTimestamp:e._audioEndTimestamp};e._doFrameComplete(r)}}e._isProcessing()||e._pingProcessing()})});this._pendingAudio&&(this._proxyTime+=N,this._codec.audioReady?this._pingProcessing():this._doProcessPlayDemux())}else if(r){this._log("play loop: ready to draw frame"),this._nextFrameTimer&&(clearTimeout(this._nextFrameTimer),this._nextFrameTimer=null),this._thumbnail&&(this.removeChild(this._thumbnail),this._thumbnail=null);var C=this._decodedFrames.shift();this._currentVideoCpuTime=C.videoCpuTime,this._drawingTime+=this._time(function(){e._drawFrame(C.yCbCrBuffer)}),this._framesProcessed++,this._doFrameComplete(C),this._pingProcessing()}else if(!this._decodedFrames.length||this._nextFrameTimer||this._prebufferingAudio)if(this._dataEnded&&!(this._pendingAudio||this._pendingFrame||this._decodedFrames.length)){this._log("play loop: playback reached end of data "+[this._pendingAudio,this._pendingFrame,this._decodedFrames.length]);var R=0;this._codec.hasAudio&&this._audioFeeder&&(R=1e3*this._audioFeeder.durationBuffered),R>0?(this._log("play loop: ending pending "+R+" ms"),this._pingProcessing(Math.max(0,R))):(this._log("play loop: ENDING NOW: playback time "+this._getPlaybackTime()+"; frameEndTimestamp: 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0!==arguments[0]?arguments[0]:-1;this._stream&&this._stream.waiting?this._log("waiting on input"):(this._nextProcessingTimer&&(this._log("canceling old processing timer"),clearTimeout(this._nextProcessingTimer),this._nextProcessingTimer=null),t>-1/256?this._nextProcessingTimer=setTimeout(function(){e._pingProcessing()},t):this._depth?this._needProcessing=!0:this._doProcessing())}},{key:"_startProcessingVideo",value:function(e){var t=this;if(!this._started&&!this._codec){this._framesProcessed=0,this._bufferTime=0,this._drawingTime=0,this._proxyTime=0,this._started=!0,this._ended=!1;var n={base:this._options.base,worker:this._enableWorker,threading:this._enableThreading,simd:this._enableSIMD};this._detectedType&&(n.type=this._detectedType),this._codec=new 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t=this;this._stopVideo(),this._currentSrc="",this._loading=!0,this._actionQueue.push(function(){e&&"none"===t.preload?t._loading=!1:function(){t._options.stream?t._stream=t._options.stream:t._stream=new _.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 g.default(e);function n(e){if(t.codecs){var n=0,r=0;return 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l,u=o.cropWidth!=o.displayWidth||o.cropHeight!=o.displayHeight;u?(s||function(e,t){(s=document.createElement("canvas")).width=e,s.height=t,a=s.getContext("2d")}(o.cropWidth,o.cropHeight),l=a):l=n,l.putImageData(i,-o.cropLeft,-o.cropTop,o.cropLeft,o.cropTop,o.cropWidth,o.cropHeight),u&&n.drawImage(s,0,0,o.displayWidth,o.displayHeight)},t.clear=function(){n.clearRect(0,0,e.width,e.height)},t}i.prototype=Object.create(t.prototype),e.exports=i}()},895:(e,t,n)=>{!function(){"use strict";var t=n(487),r=n(826);function i(e){var t,n,s=this,a=i.contextForCanvas(e);if(null===a)throw Error("WebGL unavailable");function o(e,t){var n=a.createShader(e);if(a.shaderSource(n,t),a.compileShader(n),!a.getShaderParameter(n,a.COMPILE_STATUS)){var r=a.getShaderInfoLog(n);throw a.deleteShader(n),Error("GL shader compilation for "+e+" failed: "+r)}return n}var l,u,c,d,_,f,p,h,m,E,g=new Float32Array([-1,-1,1,-1,-1,1,-1,1,1,-1,1,1]),A={},I={},T={};function S(e,t){return 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