ArtPlayer/docs/compiled/artplayer-proxy-mediabunny.mjs

/*!
 * artplayer-proxy-mediabunny.js v1.0.0
 * Github: https://github.com/zhw2590582/ArtPlayer
 * (c) 2017-2026 Harvey Zhao
 * Released under the MIT License.
 */
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i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"default",()=>o);var s=e("./VideoShim.js"),n=i.interopDefault(s);function o(e={}){return t=>{let{constructor:r}=t,{createElement:a}=r.utils,i=a("canvas"),s=i.getContext("2d"),o=new(0,n.default)({art:t,canvas:i,ctx:s,option:e}),l={};for(let e in i)"function"==typeof i[e]&&(l[e]=i[e].bind(i));for(let e of new Set([...Object.getOwnPropertyNames(o),...Object.getOwnPropertyNames(Object.getPrototypeOf(o))]))"constructor"!==e&&(e in i||Object.defineProperty(i,e,{get(){let t=o[e];return"function"==typeof t?t.bind(o):t},set(t){o[e]=t},configurable:!0,enumerable:!0}));for(let e in l)i[e]=(...t)=>l[e](...t);function c(){t.template?.$player&&!t.option.autoSize&&Object.assign(i.style,{width:"100%",height:"100%",objectFit:"contain"})}return t.on("resize",c),t.on("video:loadedmetadata",c),t.on("destroy",()=>{o.destroy()}),i}}"u">typeof window&&(window.artplayerProxyMediabunny=o)},{"./VideoShim.js":"kzYuW","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],kzYuW:[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r);var s=e("./EventTarget.js"),n=i.interopDefault(s),o=e("./MediaBunnyEngine.js"),l=i.interopDefault(o);r.default=class{constructor({art:e,canvas:t,ctx:r,option:a}){this.art=e,this.canvas=t,this.option=a,this.events=new(0,n.default),this.engine=new(0,l.default)({canvas:t,ctx:r,events:this.events,option:a}),this._src=null,this._volume=a.volume??.7,this._muted=!!a.muted,this._playbackRate=1,this.engine.setVolume(this._volume,this._muted),this.setupEventForwarding(),a.source?this.src=a.source:e.option?.url&&(this.src=e.option.url)}setupEventForwarding(){let{events:e}=this.art.constructor.config;e.forEach(e=>{this.events.addEventListener(e,e=>{this.art.emit(`video:${e.type}`,e)})})}addEventListener(e,t){this.events.addEventListener(e,t)}removeEventListener(e,t){this.events.removeEventListener(e,t)}get src(){return this._src}set src(e){this._src=e,e&&this.engine.load(e)}get currentSrc(){return this._src}get currentTime(){return this.engine.currentTime}set 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this.video.height}}},{"./AudioEngine.js":"4pDqb","./VideoEngine.js":"5CrUd","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],"4pDqb":[function(e,t,r,a){e("@parcel/transformer-js/src/esmodule-helpers.js").defineInteropFlag(r);var i=e("mediabunny");r.default=class{constructor(e){this.events=e,this.input=null,this.audioSink=null,this.audioIterator=null,this.audioContext=null,this.gainNode=null,this.audioContextStartTime=0,this.playbackTimeAtStart=0,this.latestScheduledEndTime=0,this.duration=NaN,this.paused=!0,this.volume=.7,this.muted=!1,this.playbackRate=1,this.asyncId=0,this.queuedNodes=new Set}get currentTime(){return this.paused?this.playbackTimeAtStart:(this.audioContext.currentTime-this.audioContextStartTime)*this.playbackRate+this.playbackTimeAtStart}normalizeSource(e){return"string"==typeof e?new(0,i.UrlSource)(e):e instanceof Blob?new(0,i.BlobSource)(e):"u">typeof ReadableStream&&e instanceof ReadableStream?new(0,i.ReadableStreamSource)(e):e}ensureAudioContext(e){if(this.audioContext)return;let t=window.AudioContext||window.webkitAudioContext;try{this.audioContext=new t({sampleRate:e})}catch{this.audioContext=new t}this.gainNode=this.audioContext.createGain(),this.gainNode.connect(this.audioContext.destination),this.updateGain()}updateGain(){if(!this.gainNode)return;let e=this.muted?0:this.volume;this.gainNode.gain.value=e*e}stopQueuedNodes(){this.queuedNodes.forEach(e=>e.stop()),this.queuedNodes.clear()}async stopIterator(){await this.audioIterator?.return(),this.audioIterator=null}async load(e,t){let r=++this.asyncId;await this.stopIterator(),this.stopQueuedNodes(),this.paused=!0,this.playbackTimeAtStart=0,this.audioContextStartTime=0;let a=this.normalizeSource(e);if(!a||(this.input=new(0,i.Input)({source:a,formats:i.ALL_FORMATS}),this.duration=await this.input.computeDuration(),r!==this.asyncId))return;let s=await this.input.getPrimaryAudioTrack();if(!s||null===s.codec||!await s.canDecode()){this.audioSink=null,this.ensureAudioContext(),t?.();return}this.ensureAudioContext(s.sampleRate),this.audioSink=new(0,i.AudioBufferSink)(s),t?.()}async runIterator(e){if(this.audioSink)for(await this.stopIterator(),this.audioIterator=this.audioSink.buffers(this.currentTime);;){let t;if(e!==this.asyncId||this.paused)return;let r=this.audioIterator.next(),a=setInterval(()=>{e!==this.asyncId||this.paused?clearInterval(a):"running"===this.audioContext.state&&this.audioContext.currentTime>=this.latestScheduledEndTime-.2&&(this.audioContext.suspend(),this.events.emit("waiting"))},50);try{t=await r}catch(e){console.error("Audio iterator error:",e);break}finally{clearInterval(a)}if(e!==this.asyncId||this.paused)return;if("suspended"===this.audioContext.state&&(await this.audioContext.resume(),this.events.emit("canplay"),this.events.emit("playing")),t.done)break;let{buffer:i,timestamp:s}=t.value,n=this.audioContext.createBufferSource();n.buffer=i,n.connect(this.gainNode),n.playbackRate.value=this.playbackRate;let o=this.audioContextStartTime+(s-this.playbackTimeAtStart)/this.playbackRate,l=o+i.duration/this.playbackRate;l>this.latestScheduledEndTime&&(this.latestScheduledEndTime=l),o>=this.audioContext.currentTime?n.start(o):n.start(this.audioContext.currentTime,(this.audioContext.currentTime-o)*this.playbackRate),this.queuedNodes.add(n),n.onended=()=>this.queuedNodes.delete(n)}}async play(){if(!this.paused)return;this.audioContext||this.ensureAudioContext(),"suspended"===this.audioContext.state&&await this.audioContext.resume(),this.audioContextStartTime=this.audioContext.currentTime,this.latestScheduledEndTime=this.audioContextStartTime,this.paused=!1;let e=++this.asyncId;this.runIterator(e)}pause(){this.paused||(this.playbackTimeAtStart=this.currentTime,this.paused=!0,this.stopIterator(),this.stopQueuedNodes())}async seek(e){this.playbackTimeAtStart=Math.max(0,e),this.audioContextStartTime=this.audioContext.currentTime,this.latestScheduledEndTime=this.audioContextStartTime;let t=++this.asyncId;this.paused||this.runIterator(t)}setVolume(e,t){this.volume=e,this.muted=t,this.updateGain()}setPlaybackRate(e){if(e!==this.playbackRate&&(this.paused||(this.playbackTimeAtStart=this.currentTime,this.audioContextStartTime=this.audioContext.currentTime),this.playbackRate=e,!this.paused)){let e=++this.asyncId;this.runIterator(e)}}destroy(){this.asyncId++,this.pause(),this.audioContext?.close(),this.audioContext=null,this.input=null,this.audioSink=null}}},{mediabunny:[["ALL_FORMATS","gFGfd"],["AudioBufferSink","6e2oW"],["BlobSource","108pa"],["ReadableStreamSource","108pa"],["UrlSource","108pa"],["Input","6K6yf"]],"@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],gFGfd:[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"InputFormat",()=>S),i.export(r,"IsobmffInputFormat",()=>T),i.export(r,"Mp4InputFormat",()=>I),i.export(r,"QuickTimeInputFormat",()=>w),i.export(r,"MatroskaInputFormat",()=>x),i.export(r,"WebMInputFormat",()=>E),i.export(r,"Mp3InputFormat",()=>P),i.export(r,"WaveInputFormat",()=>v),i.export(r,"OggInputFormat",()=>C),i.export(r,"FlacInputFormat",()=>A),i.export(r,"AdtsInputFormat",()=>B),i.export(r,"MpegTsInputFormat",()=>_),i.export(r,"MP4",()=>D),i.export(r,"QTFF",()=>M),i.export(r,"MATROSKA",()=>F),i.export(r,"WEBM",()=>R),i.export(r,"MP3",()=>U),i.export(r,"WAVE",()=>L),i.export(r,"OGG",()=>N),i.export(r,"ADTS",()=>O),i.export(r,"FLAC",()=>j),i.export(r,"MPEG_TS",()=>z),i.export(r,"ALL_FORMATS",()=>V);var s=e("./isobmff/isobmff-demuxer.js"),n=e("./matroska/ebml.js"),o=e("./matroska/matroska-demuxer.js"),l=e("./mp3/mp3-demuxer.js"),c=e("../shared/mp3-misc.js"),d=e("./id3.js"),u=e("./mp3/mp3-reader.js"),h=e("./ogg/ogg-demuxer.js"),m=e("./wave/wave-demuxer.js"),p=e("./adts/adts-reader.js"),f=e("./adts/adts-demuxer.js"),g=e("./reader.js"),k=e("./flac/flac-demuxer.js"),b=e("./mpeg-ts/mpeg-ts-demuxer.js"),y=e("./mpeg-ts/mpeg-ts-misc.js");class S{}class T extends S{async _getMajorBrand(e){let t=e._reader.requestSlice(0,12);return(t instanceof Promise&&(t=await t),t)?(t.skip(4),"ftyp"!==(0,g.readAscii)(t,4))?null:(0,g.readAscii)(t,4):null}_createDemuxer(e){return new(0,s.IsobmffDemuxer)(e)}}class I extends T{async _canReadInput(e){let t=await this._getMajorBrand(e);return!!t&&"qt "!==t}get name(){return"MP4"}get mimeType(){return"video/mp4"}}class w extends T{async _canReadInput(e){return"qt "===await this._getMajorBrand(e)}get name(){return"QuickTime File Format"}get mimeType(){return"video/quicktime"}}class x extends S{async isSupportedEBMLOfDocType(e,t){let r=e._reader.requestSlice(0,n.MAX_HEADER_SIZE);if(r instanceof Promise&&(r=await r),!r)return!1;let a=(0,n.readVarIntSize)(r);if(null===a||a<1||a>8||(0,n.readUnsignedInt)(r,a)!==n.EBMLId.EBML)return!1;let i=(0,n.readElementSize)(r);if("number"!=typeof i)return!1;let s=e._reader.requestSlice(r.filePos,i);if(s instanceof Promise&&(s=await s),!s)return!1;let o=r.filePos;for(;s.filePos<=o+i-n.MIN_HEADER_SIZE;){let e=(0,n.readElementHeader)(s);if(!e)break;let{id:r,size:a}=e,i=s.filePos;if(void 0===a)return!1;switch(r){case n.EBMLId.EBMLVersion:case n.EBMLId.EBMLReadVersion:if(1!==(0,n.readUnsignedInt)(s,a))return!1;break;case n.EBMLId.DocType:if((0,n.readAsciiString)(s,a)!==t)return!1;break;case n.EBMLId.DocTypeVersion:if((0,n.readUnsignedInt)(s,a)>4)return!1}s.filePos=i+a}return!0}_canReadInput(e){return this.isSupportedEBMLOfDocType(e,"matroska")}_createDemuxer(e){return new(0,o.MatroskaDemuxer)(e)}get name(){return"Matroska"}get mimeType(){return"video/x-matroska"}}class E extends x{_canReadInput(e){return this.isSupportedEBMLOfDocType(e,"webm")}get name(){return"WebM"}get mimeType(){return"video/webm"}}class P extends S{async _canReadInput(e){let t=0;for(;;){let r=e._reader.requestSlice(t,d.ID3_V2_HEADER_SIZE);if(r instanceof Promise&&(r=await r),!r)break;let a=(0,d.readId3V2Header)(r);if(!a)break;t=r.filePos+a.size}let r=await (0,u.readNextMp3FrameHeader)(e._reader,t,t+4096);if(!r)return!1;let a=r.header,i=(0,c.getXingOffset)(a.mpegVersionId,a.channel),s=e._reader.requestSlice(r.startPos+i,4);if(s instanceof Promise&&(s=await s),!s)return!1;let n=(0,g.readU32Be)(s);if(n===c.XING||n===c.INFO)return!0;t=r.startPos+r.header.totalSize;let o=await (0,u.readNextMp3FrameHeader)(e._reader,t,t+c.FRAME_HEADER_SIZE);if(!o)return!1;let l=o.header;return a.channel===l.channel&&a.sampleRate===l.sampleRate}_createDemuxer(e){return new(0,l.Mp3Demuxer)(e)}get name(){return"MP3"}get mimeType(){return"audio/mpeg"}}class v extends S{async _canReadInput(e){let t=e._reader.requestSlice(0,12);if(t instanceof Promise&&(t=await t),!t)return!1;let r=(0,g.readAscii)(t,4);return("RIFF"===r||"RIFX"===r||"RF64"===r)&&(t.skip(4),"WAVE"===(0,g.readAscii)(t,4))}_createDemuxer(e){return new(0,m.WaveDemuxer)(e)}get name(){return"WAVE"}get mimeType(){return"audio/wav"}}class C extends S{async _canReadInput(e){let t=e._reader.requestSlice(0,4);return t instanceof Promise&&(t=await t),!!t&&"OggS"===(0,g.readAscii)(t,4)}_createDemuxer(e){return new(0,h.OggDemuxer)(e)}get name(){return"Ogg"}get mimeType(){return"application/ogg"}}class A extends S{async _canReadInput(e){let t=e._reader.requestSlice(0,4);return t instanceof Promise&&(t=await t),!!t&&"fLaC"===(0,g.readAscii)(t,4)}get name(){return"FLAC"}get mimeType(){return"audio/flac"}_createDemuxer(e){return new(0,k.FlacDemuxer)(e)}}class B extends S{async _canReadInput(e){let t=0;for(;;){let r=e._reader.requestSlice(t,d.ID3_V2_HEADER_SIZE);if(r instanceof Promise&&(r=await r),!r)break;let a=(0,d.readId3V2Header)(r);if(!a)break;t=r.filePos+a.size}let r=e._reader.requestSliceRange(t,p.MIN_ADTS_FRAME_HEADER_SIZE,p.MAX_ADTS_FRAME_HEADER_SIZE);if(r instanceof Promise&&(r=await r),!r)return!1;let a=(0,p.readAdtsFrameHeader)(r);if(!a||(t+=a.frameLength,(r=e._reader.requestSliceRange(t,p.MIN_ADTS_FRAME_HEADER_SIZE,p.MAX_ADTS_FRAME_HEADER_SIZE))instanceof Promise&&(r=await r),!r))return!1;let i=(0,p.readAdtsFrameHeader)(r);return!!i&&a.objectType===i.objectType&&a.samplingFrequencyIndex===i.samplingFrequencyIndex&&a.channelConfiguration===i.channelConfiguration}_createDemuxer(e){return new(0,f.AdtsDemuxer)(e)}get name(){return"ADTS"}get mimeType(){return"audio/aac"}}class _ extends S{async _canReadInput(e){let t=y.TS_PACKET_SIZE+16+1,r=e._reader.requestSlice(0,t);if(r instanceof Promise&&(r=await r),!r)return!1;let a=(0,g.readBytes)(r,t);return 71===a[0]&&71===a[y.TS_PACKET_SIZE]||71===a[0]&&71===a[y.TS_PACKET_SIZE+16]||71===a[4]&&71===a[4+y.TS_PACKET_SIZE]||!1}_createDemuxer(e){return new(0,b.MpegTsDemuxer)(e)}get name(){return"MPEG Transport Stream"}get mimeType(){return"video/MP2T"}}let D=new I,M=new w,F=new x,R=new E,U=new P,L=new v,N=new C,O=new B,j=new A,z=new _,V=[D,M,F,R,L,N,j,U,O,z]},{"./isobmff/isobmff-demuxer.js":"kdFjc","./matroska/ebml.js":"4qt3Y","./matroska/matroska-demuxer.js":"fO0Ln","./mp3/mp3-demuxer.js":"1xfyp","../shared/mp3-misc.js":"jGy7Y","./id3.js":"8coNE","./mp3/mp3-reader.js":"ixvHZ","./ogg/ogg-demuxer.js":"lRP3H","./wave/wave-demuxer.js":"lP1MW","./adts/adts-reader.js":"iNEYI","./adts/adts-demuxer.js":"b3bBY","./reader.js":"6AkKg","./flac/flac-demuxer.js":"4fsLo","./mpeg-ts/mpeg-ts-demuxer.js":"hFAEl","./mpeg-ts/mpeg-ts-misc.js":"bkuJB","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],kdFjc:[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"IsobmffDemuxer",()=>f);var s=e("../codec.js"),n=e("../codec-data.js"),o=e("../demuxer.js"),l=e("../input-track.js"),c=e("../misc.js"),d=e("../packet.js"),u=e("./isobmff-misc.js"),h=e("./isobmff-reader.js"),m=e("../reader.js"),p=e("../metadata.js");class f extends o.Demuxer{constructor(e){super(e),this.moovSlice=null,this.currentTrack=null,this.tracks=[],this.metadataPromise=null,this.movieTimescale=-1,this.movieDurationInTimescale=-1,this.isQuickTime=!1,this.metadataTags={},this.currentMetadataKeys=null,this.isFragmented=!1,this.fragmentTrackDefaults=[],this.currentFragment=null,this.lastReadFragment=null,this.reader=e._reader}async computeDuration(){let e=await this.getTracks();return Math.max(0,...await Promise.all(e.map(e=>e.computeDuration())))}async getTracks(){return await this.readMetadata(),this.tracks.map(e=>e.inputTrack)}async getMimeType(){await this.readMetadata();let e=await Promise.all(this.tracks.map(e=>e.inputTrack.getCodecParameterString()));return(0,u.buildIsobmffMimeType)({isQuickTime:this.isQuickTime,hasVideo:this.tracks.some(e=>e.info?.type==="video"),hasAudio:this.tracks.some(e=>e.info?.type==="audio"),codecStrings:e.filter(Boolean)})}async getMetadataTags(){return await this.readMetadata(),this.metadataTags}readMetadata(){return this.metadataPromise??=(async()=>{let e=0;for(;;){let t=this.reader.requestSliceRange(e,h.MIN_BOX_HEADER_SIZE,h.MAX_BOX_HEADER_SIZE);if(t instanceof Promise&&(t=await t),!t)break;let r=e,a=(0,h.readBoxHeader)(t);if(!a)break;if("ftyp"===a.name){let e=(0,m.readAscii)(t,4);this.isQuickTime="qt "===e}else if("moov"===a.name){let e=this.reader.requestSlice(t.filePos,a.contentSize);if(e instanceof Promise&&(e=await e),!e)break;for(let t of(this.moovSlice=e,this.readContiguousBoxes(this.moovSlice),this.tracks.sort((e,t)=>Number(t.disposition.default)-Number(e.disposition.default)),this.tracks)){let e=t.editListPreviousSegmentDurations/this.movieTimescale;t.editListOffset-=Math.round(e*t.timescale)}break}e=r+a.totalSize}if(this.isFragmented&&null!==this.reader.fileSize){let e=this.reader.requestSlice(this.reader.fileSize-4,4);e instanceof Promise&&(e=await e),(0,c.assert)(e);let t=(0,m.readU32Be)(e),r=this.reader.fileSize-t;if(r>=0&&r<=this.reader.fileSize-h.MAX_BOX_HEADER_SIZE){let e=this.reader.requestSliceRange(r,h.MIN_BOX_HEADER_SIZE,h.MAX_BOX_HEADER_SIZE);if(e instanceof Promise&&(e=await e),e){let t=(0,h.readBoxHeader)(e);if(t&&"mfra"===t.name){let r=this.reader.requestSlice(e.filePos,t.contentSize);r instanceof Promise&&(r=await r),r&&this.readContiguousBoxes(r)}}}}})()}getSampleTableForTrack(e){if(e.sampleTable)return e.sampleTable;let t={sampleTimingEntries:[],sampleCompositionTimeOffsets:[],sampleSizes:[],keySampleIndices:null,chunkOffsets:[],sampleToChunk:[],presentationTimestamps:null,presentationTimestampIndexMap:null};e.sampleTable=t,(0,c.assert)(this.moovSlice);let r=this.moovSlice.slice(e.sampleTableByteOffset);if(this.currentTrack=e,this.traverseBox(r),this.currentTrack=null,e.info?.type==="audio"&&e.info.codec&&s.PCM_AUDIO_CODECS.includes(e.info.codec)&&0===t.sampleCompositionTimeOffsets.length){(0,c.assert)(e.info?.type==="audio");let r=(0,s.parsePcmCodec)(e.info.codec),a=[],i=[];for(let s=0;s<t.sampleToChunk.length;s++){let n=t.sampleToChunk[s],o=t.sampleToChunk[s+1],l=(o?o.startChunkIndex:t.chunkOffsets.length)-n.startChunkIndex;for(let s=0;s<l;s++){let o=n.startSampleIndex+s*n.samplesPerChunk,l=o+n.samplesPerChunk,d=(0,c.binarySearchLessOrEqual)(t.sampleTimingEntries,o,e=>e.startIndex),u=t.sampleTimingEntries[d],h=(0,c.binarySearchLessOrEqual)(t.sampleTimingEntries,l,e=>e.startIndex),m=t.sampleTimingEntries[h],p=u.startDecodeTimestamp+(o-u.startIndex)*u.delta,f=m.startDecodeTimestamp+(l-m.startIndex)*m.delta-p,g=(0,c.last)(a);g&&g.delta===f?g.count++:a.push({startIndex:n.startChunkIndex+s,startDecodeTimestamp:p,count:1,delta:f});let k=n.samplesPerChunk*r.sampleSize*e.info.numberOfChannels;i.push(k)}n.startSampleIndex=n.startChunkIndex,n.samplesPerChunk=1}t.sampleTimingEntries=a,t.sampleSizes=i}if(t.sampleCompositionTimeOffsets.length>0){for(let e of(t.presentationTimestamps=[],t.sampleTimingEntries))for(let r=0;r<e.count;r++)t.presentationTimestamps.push({presentationTimestamp:e.startDecodeTimestamp+r*e.delta,sampleIndex:e.startIndex+r});for(let e of t.sampleCompositionTimeOffsets)for(let r=0;r<e.count;r++){let a=e.startIndex+r,i=t.presentationTimestamps[a];i&&(i.presentationTimestamp+=e.offset)}t.presentationTimestamps.sort((e,t)=>e.presentationTimestamp-t.presentationTimestamp),t.presentationTimestampIndexMap=Array(t.presentationTimestamps.length).fill(-1);for(let e=0;e<t.presentationTimestamps.length;e++)t.presentationTimestampIndexMap[t.presentationTimestamps[e].sampleIndex]=e}return t}async readFragment(e){if(this.lastReadFragment?.moofOffset===e)return this.lastReadFragment;let t=this.reader.requestSliceRange(e,h.MIN_BOX_HEADER_SIZE,h.MAX_BOX_HEADER_SIZE);t instanceof Promise&&(t=await t),(0,c.assert)(t);let r=(0,h.readBoxHeader)(t);(0,c.assert)(r?.name==="moof");let a=this.reader.requestSlice(e,r.totalSize);a instanceof Promise&&(a=await a),(0,c.assert)(a),this.traverseBox(a);let i=this.lastReadFragment;for(let[,t]of((0,c.assert)(i&&i.moofOffset===e),i.trackData)){let e=t.track,{fragmentPositionCache:r}=e;if(!t.startTimestampIsFinal){let a=e.fragmentLookupTable.find(e=>e.moofOffset===i.moofOffset);if(a)w(t,a.timestamp);else{let e=(0,c.binarySearchLessOrEqual)(r,i.moofOffset-1,e=>e.moofOffset);-1!==e&&w(t,r[e].endTimestamp)}t.startTimestampIsFinal=!0}let a=(0,c.binarySearchLessOrEqual)(r,t.startTimestamp,e=>e.startTimestamp);(-1===a||r[a].moofOffset!==i.moofOffset)&&r.splice(a+1,0,{moofOffset:i.moofOffset,startTimestamp:t.startTimestamp,endTimestamp:t.endTimestamp})}return i}readContiguousBoxes(e){let t=e.filePos;for(;e.filePos-t<=e.length-h.MIN_BOX_HEADER_SIZE&&this.traverseBox(e););}*iterateContiguousBoxes(e){let t=e.filePos;for(;e.filePos-t<=e.length-h.MIN_BOX_HEADER_SIZE;){let t=e.filePos,r=(0,h.readBoxHeader)(e);if(!r)break;yield{boxInfo:r,slice:e},e.filePos=t+r.totalSize}}traverseBox(e){let t=e.filePos,r=(0,h.readBoxHeader)(e);if(!r)return!1;let a=e.filePos,i=t+r.totalSize;switch(r.name){case"mdia":case"minf":case"dinf":case"mfra":case"edts":case"wave":this.readContiguousBoxes(e.slice(a,r.contentSize));break;case"mvhd":{let t=(0,m.readU8)(e);e.skip(3),1===t?(e.skip(16),this.movieTimescale=(0,m.readU32Be)(e),this.movieDurationInTimescale=(0,m.readU64Be)(e)):(e.skip(8),this.movieTimescale=(0,m.readU32Be)(e),this.movieDurationInTimescale=(0,m.readU32Be)(e))}break;case"trak":{let t={id:-1,demuxer:this,inputTrack:null,disposition:{...p.DEFAULT_TRACK_DISPOSITION},info:null,timescale:-1,durationInMovieTimescale:-1,durationInMediaTimescale:-1,rotation:0,internalCodecId:null,name:null,languageCode:c.UNDETERMINED_LANGUAGE,sampleTableByteOffset:-1,sampleTable:null,fragmentLookupTable:[],currentFragmentState:null,fragmentPositionCache:[],editListPreviousSegmentDurations:0,editListOffset:0};this.currentTrack=t,this.readContiguousBoxes(e.slice(a,r.contentSize)),-1!==t.id&&-1!==t.timescale&&null!==t.info&&("video"===t.info.type&&-1!==t.info.width?(t.inputTrack=new(0,l.InputVideoTrack)(this.input,new k(t)),this.tracks.push(t)):"audio"===t.info.type&&-1!==t.info.numberOfChannels&&(t.inputTrack=new(0,l.InputAudioTrack)(this.input,new b(t)),this.tracks.push(t))),this.currentTrack=null}break;case"tkhd":{let t=this.currentTrack;if(!t)break;let r=(0,m.readU8)(e),a=(0,m.readU24Be)(e);if(t.disposition.default=!!(1&a),0===r)e.skip(8),t.id=(0,m.readU32Be)(e),e.skip(4),t.durationInMovieTimescale=(0,m.readU32Be)(e);else if(1===r)e.skip(16),t.id=(0,m.readU32Be)(e),e.skip(4),t.durationInMovieTimescale=(0,m.readU64Be)(e);else throw Error(`Incorrect track header version ${r}.`);e.skip(16);let i=[(0,h.readFixed_16_16)(e),(0,h.readFixed_16_16)(e),(0,h.readFixed_2_30)(e),(0,h.readFixed_16_16)(e),(0,h.readFixed_16_16)(e),(0,h.readFixed_2_30)(e),(0,h.readFixed_16_16)(e),(0,h.readFixed_16_16)(e),(0,h.readFixed_2_30)(e)],s=(0,c.normalizeRotation)((0,c.roundToMultiple)(x(i),90));(0,c.assert)(0===s||90===s||180===s||270===s),t.rotation=s}break;case"elst":{let t=this.currentTrack;if(!t)break;let r=(0,m.readU8)(e);e.skip(3);let a=!1,i=0,s=(0,m.readU32Be)(e);for(let n=0;n<s;n++){let s=1===r?(0,m.readU64Be)(e):(0,m.readU32Be)(e),n=1===r?(0,m.readI64Be)(e):(0,m.readI32Be)(e),o=(0,h.readFixed_16_16)(e);if(0!==s){if(a){console.warn("Unsupported edit list: multiple edits are not currently supported. Only using first edit.");break}if(-1===n){i+=s;continue}if(1!==o){console.warn("Unsupported edit list entry: media rate must be 1.");break}t.editListPreviousSegmentDurations=i,t.editListOffset=n,a=!0}}}break;case"mdhd":{let t=this.currentTrack;if(!t)break;let r=(0,m.readU8)(e);e.skip(3),0===r?(e.skip(8),t.timescale=(0,m.readU32Be)(e),t.durationInMediaTimescale=(0,m.readU32Be)(e)):1===r&&(e.skip(16),t.timescale=(0,m.readU32Be)(e),t.durationInMediaTimescale=(0,m.readU64Be)(e));let a=(0,m.readU16Be)(e);if(a>0){t.languageCode="";for(let e=0;e<3;e++)t.languageCode=String.fromCharCode(96+(31&a))+t.languageCode,a>>=5;(0,c.isIso639Dash2LanguageCode)(t.languageCode)||(t.languageCode=c.UNDETERMINED_LANGUAGE)}}break;case"hdlr":{let t=this.currentTrack;if(!t)break;e.skip(8);let r=(0,m.readAscii)(e,4);"vide"===r?t.info={type:"video",width:-1,height:-1,codec:null,codecDescription:null,colorSpace:null,avcType:null,avcCodecInfo:null,hevcCodecInfo:null,vp9CodecInfo:null,av1CodecInfo:null}:"soun"===r&&(t.info={type:"audio",numberOfChannels:-1,sampleRate:-1,codec:null,codecDescription:null,aacCodecInfo:null})}break;case"stbl":{let i=this.currentTrack;if(!i)break;i.sampleTableByteOffset=t,this.readContiguousBoxes(e.slice(a,r.contentSize))}break;case"stsd":{let t=this.currentTrack;if(!t||null===t.info||t.sampleTable)break;let r=(0,m.readU8)(e);e.skip(3);let a=(0,m.readU32Be)(e);for(let i=0;i<a;i++){let a=e.filePos,i=(0,h.readBoxHeader)(e);if(!i)break;t.internalCodecId=i.name;let n=i.name.toLowerCase();if("video"===t.info.type)"avc1"===n||"avc3"===n?(t.info.codec="avc",t.info.avcType="avc1"===n?1:3):"hvc1"===n||"hev1"===n?t.info.codec="hevc":"vp08"===n?t.info.codec="vp8":"vp09"===n?t.info.codec="vp9":"av01"===n?t.info.codec="av1":console.warn(`Unsupported video codec (sample entry type '${i.name}').`),e.skip(24),t.info.width=(0,m.readU16Be)(e),t.info.height=(0,m.readU16Be)(e),e.skip(50),this.readContiguousBoxes(e.slice(e.filePos,a+i.totalSize-e.filePos));else{"mp4a"===n||("opus"===n?t.info.codec="opus":"flac"===n?t.info.codec="flac":"twos"===n||"sowt"===n||"raw "===n||"in24"===n||"in32"===n||"fl32"===n||"fl64"===n||"lpcm"===n||"ipcm"===n||"fpcm"===n||("ulaw"===n?t.info.codec="ulaw":"alaw"===n?t.info.codec="alaw":console.warn(`Unsupported audio codec (sample entry type '${i.name}').`))),e.skip(8);let o=(0,m.readU16Be)(e);e.skip(6);let l=(0,m.readU16Be)(e),c=(0,m.readU16Be)(e);e.skip(4);let d=(0,m.readU32Be)(e)/65536;if(0===r&&o>0){if(1===o)e.skip(4),c=8*(0,m.readU32Be)(e),e.skip(8);else if(2===o){e.skip(4),d=(0,m.readF64Be)(e),l=(0,m.readU32Be)(e),e.skip(4),c=(0,m.readU32Be)(e);let r=(0,m.readU32Be)(e);if(e.skip(8),"lpcm"===n){let e=c+7>>3,a=!!(1&r),i=!!(2&r),s=4&r?-1:0;c>0&&c<=64&&(a?32===c&&(t.info.codec=i?"pcm-f32be":"pcm-f32"):s&1<<e-1?1===e?t.info.codec="pcm-s8":2===e?t.info.codec=i?"pcm-s16be":"pcm-s16":3===e?t.info.codec=i?"pcm-s24be":"pcm-s24":4===e&&(t.info.codec=i?"pcm-s32be":"pcm-s32"):1===e&&(t.info.codec="pcm-u8")),null===t.info.codec&&console.warn("Unsupported PCM format.")}}}"opus"===t.info.codec&&(d=s.OPUS_SAMPLE_RATE),t.info.numberOfChannels=l,t.info.sampleRate=d,"twos"===n?8===c?t.info.codec="pcm-s8":16===c?t.info.codec="pcm-s16be":(console.warn(`Unsupported sample size ${c} for codec 'twos'.`),t.info.codec=null):"sowt"===n?8===c?t.info.codec="pcm-s8":16===c?t.info.codec="pcm-s16":(console.warn(`Unsupported sample size ${c} for codec 'sowt'.`),t.info.codec=null):"raw "===n?t.info.codec="pcm-u8":"in24"===n?t.info.codec="pcm-s24be":"in32"===n?t.info.codec="pcm-s32be":"fl32"===n?t.info.codec="pcm-f32be":"fl64"===n?t.info.codec="pcm-f64be":"ipcm"===n?t.info.codec="pcm-s16be":"fpcm"===n&&(t.info.codec="pcm-f32be"),this.readContiguousBoxes(e.slice(e.filePos,a+i.totalSize-e.filePos))}}}break;case"avcC":{let t=this.currentTrack;if(!t)break;(0,c.assert)(t.info),t.info.codecDescription=(0,m.readBytes)(e,r.contentSize)}break;case"hvcC":{let t=this.currentTrack;if(!t)break;(0,c.assert)(t.info),t.info.codecDescription=(0,m.readBytes)(e,r.contentSize)}break;case"vpcC":{let t=this.currentTrack;if(!t)break;(0,c.assert)(t.info?.type==="video"),e.skip(4);let r=(0,m.readU8)(e),a=(0,m.readU8)(e),i=(0,m.readU8)(e),s=(0,m.readU8)(e),n=(0,m.readU8)(e),o=(0,m.readU8)(e);t.info.vp9CodecInfo={profile:r,level:a,bitDepth:i>>4,chromaSubsampling:i>>1&7,videoFullRangeFlag:1&i,colourPrimaries:s,transferCharacteristics:n,matrixCoefficients:o}}break;case"av1C":{let t=this.currentTrack;if(!t)break;(0,c.assert)(t.info?.type==="video"),e.skip(1);let r=(0,m.readU8)(e),a=r>>5,i=(0,m.readU8)(e),s=i>>6&1;t.info.av1CodecInfo={profile:a,level:31&r,tier:i>>7,bitDepth:2===a&&s?i>>5&1?12:10:s?10:8,monochrome:i>>4&1,chromaSubsamplingX:i>>3&1,chromaSubsamplingY:i>>2&1,chromaSamplePosition:3&i}}break;case"colr":{let t=this.currentTrack;if(!t||((0,c.assert)(t.info?.type==="video"),"nclx"!==(0,m.readAscii)(e,4)))break;let r=(0,m.readU16Be)(e),a=(0,m.readU16Be)(e),i=(0,m.readU16Be)(e),s=!!(128&(0,m.readU8)(e));t.info.colorSpace={primaries:c.COLOR_PRIMARIES_MAP_INVERSE[r],transfer:c.TRANSFER_CHARACTERISTICS_MAP_INVERSE[a],matrix:c.MATRIX_COEFFICIENTS_MAP_INVERSE[i],fullRange:s}}break;case"esds":{let t=this.currentTrack;if(!t)break;(0,c.assert)(t.info?.type==="audio"),e.skip(4);let r=(0,m.readU8)(e);(0,c.assert)(3===r),(0,h.readIsomVariableInteger)(e),e.skip(2);let a=(0,m.readU8)(e);if((128&a)!=0&&e.skip(2),(64&a)!=0){let t=(0,m.readU8)(e);e.skip(t)}(32&a)!=0&&e.skip(2);let i=(0,m.readU8)(e);(0,c.assert)(4===i);let n=(0,h.readIsomVariableInteger)(e),o=e.filePos,l=(0,m.readU8)(e);if(64===l||103===l?(t.info.codec="aac",t.info.aacCodecInfo={isMpeg2:103===l,objectType:null}):105===l||107===l?t.info.codec="mp3":221===l?t.info.codec="vorbis":console.warn(`Unsupported audio codec (objectTypeIndication ${l}) - discarding track.`),e.skip(12),n>e.filePos-o){let r=(0,m.readU8)(e);(0,c.assert)(5===r);let a=(0,h.readIsomVariableInteger)(e);if(t.info.codecDescription=(0,m.readBytes)(e,a),"aac"===t.info.codec){let e=(0,s.parseAacAudioSpecificConfig)(t.info.codecDescription);null!==e.numberOfChannels&&(t.info.numberOfChannels=e.numberOfChannels),null!==e.sampleRate&&(t.info.sampleRate=e.sampleRate)}}}break;case"enda":{let t=this.currentTrack;if(!t)break;(0,c.assert)(t.info?.type==="audio"),255&(0,m.readU16Be)(e)&&("pcm-s16be"===t.info.codec?t.info.codec="pcm-s16":"pcm-s24be"===t.info.codec?t.info.codec="pcm-s24":"pcm-s32be"===t.info.codec?t.info.codec="pcm-s32":"pcm-f32be"===t.info.codec?t.info.codec="pcm-f32":"pcm-f64be"===t.info.codec&&(t.info.codec="pcm-f64"))}break;case"pcmC":{let t=this.currentTrack;if(!t)break;(0,c.assert)(t.info?.type==="audio"),e.skip(4);let r=!!(1&(0,m.readU8)(e)),a=(0,m.readU8)(e);"pcm-s16be"===t.info.codec?r?16===a?t.info.codec="pcm-s16":24===a?t.info.codec="pcm-s24":32===a?t.info.codec="pcm-s32":(console.warn(`Invalid ipcm sample size ${a}.`),t.info.codec=null):16===a?t.info.codec="pcm-s16be":24===a?t.info.codec="pcm-s24be":32===a?t.info.codec="pcm-s32be":(console.warn(`Invalid ipcm sample size ${a}.`),t.info.codec=null):"pcm-f32be"===t.info.codec&&(r?32===a?t.info.codec="pcm-f32":64===a?t.info.codec="pcm-f64":(console.warn(`Invalid fpcm sample size ${a}.`),t.info.codec=null):32===a?t.info.codec="pcm-f32be":64===a?t.info.codec="pcm-f64be":(console.warn(`Invalid fpcm sample size ${a}.`),t.info.codec=null));break}case"dOps":{let t,r=this.currentTrack;if(!r)break;(0,c.assert)(r.info?.type==="audio"),e.skip(1);let a=(0,m.readU8)(e),i=(0,m.readU16Be)(e),s=(0,m.readU32Be)(e),n=(0,m.readI16Be)(e),o=(0,m.readU8)(e);t=0!==o?(0,m.readBytes)(e,2+a):new Uint8Array(0);let l=new Uint8Array(19+t.byteLength),d=new DataView(l.buffer);d.setUint32(0,0x4f707573,!1),d.setUint32(4,0x48656164,!1),d.setUint8(8,1),d.setUint8(9,a),d.setUint16(10,i,!0),d.setUint32(12,s,!0),d.setInt16(16,n,!0),d.setUint8(18,o),l.set(t,19),r.info.codecDescription=l,r.info.numberOfChannels=a}break;case"dfLa":{let t=this.currentTrack;if(!t)break;(0,c.assert)(t.info?.type==="audio"),e.skip(4);let r=e.filePos;for(;e.filePos<i;){let r=(0,m.readU8)(e),a=(0,m.readU24Be)(e);if((127&r)===n.FlacBlockType.STREAMINFO){e.skip(10);let r=(0,m.readU32Be)(e),a=r>>>12,i=(r>>9&7)+1;t.info.sampleRate=a,t.info.numberOfChannels=i,e.skip(20)}else e.skip(a);if(128&r)break}let a=e.filePos;e.filePos=r;let s=(0,m.readBytes)(e,a-r),o=new Uint8Array(4+s.byteLength);new DataView(o.buffer).setUint32(0,0x664c6143,!1),o.set(s,4),t.info.codecDescription=o}break;case"stts":{let t=this.currentTrack;if(!t||!t.sampleTable)break;e.skip(4);let r=(0,m.readU32Be)(e),a=0,i=0;for(let s=0;s<r;s++){let r=(0,m.readU32Be)(e),s=(0,m.readU32Be)(e);t.sampleTable.sampleTimingEntries.push({startIndex:a,startDecodeTimestamp:i,count:r,delta:s}),a+=r,i+=r*s}}break;case"ctts":{let t=this.currentTrack;if(!t||!t.sampleTable)break;e.skip(4);let r=(0,m.readU32Be)(e),a=0;for(let i=0;i<r;i++){let r=(0,m.readU32Be)(e),i=(0,m.readI32Be)(e);t.sampleTable.sampleCompositionTimeOffsets.push({startIndex:a,count:r,offset:i}),a+=r}}break;case"stsz":{let t=this.currentTrack;if(!t||!t.sampleTable)break;e.skip(4);let r=(0,m.readU32Be)(e),a=(0,m.readU32Be)(e);if(0===r)for(let r=0;r<a;r++){let r=(0,m.readU32Be)(e);t.sampleTable.sampleSizes.push(r)}else t.sampleTable.sampleSizes.push(r)}break;case"stz2":{let t=this.currentTrack;if(!t||!t.sampleTable)break;e.skip(4),e.skip(3);let r=(0,m.readU8)(e),a=(0,m.readU32Be)(e),i=(0,m.readBytes)(e,Math.ceil(a*r/8)),s=new(0,c.Bitstream)(i);for(let e=0;e<a;e++){let e=s.readBits(r);t.sampleTable.sampleSizes.push(e)}}break;case"stss":{let t=this.currentTrack;if(!t||!t.sampleTable)break;e.skip(4),t.sampleTable.keySampleIndices=[];let r=(0,m.readU32Be)(e);for(let a=0;a<r;a++){let r=(0,m.readU32Be)(e)-1;t.sampleTable.keySampleIndices.push(r)}0!==t.sampleTable.keySampleIndices[0]&&t.sampleTable.keySampleIndices.unshift(0)}break;case"stsc":{let t=this.currentTrack;if(!t||!t.sampleTable)break;e.skip(4);let r=(0,m.readU32Be)(e);for(let a=0;a<r;a++){let r=(0,m.readU32Be)(e)-1,a=(0,m.readU32Be)(e),i=(0,m.readU32Be)(e);t.sampleTable.sampleToChunk.push({startSampleIndex:-1,startChunkIndex:r,samplesPerChunk:a,sampleDescriptionIndex:i})}let a=0;for(let e=0;e<t.sampleTable.sampleToChunk.length;e++)t.sampleTable.sampleToChunk[e].startSampleIndex=a,e<t.sampleTable.sampleToChunk.length-1&&(a+=(t.sampleTable.sampleToChunk[e+1].startChunkIndex-t.sampleTable.sampleToChunk[e].startChunkIndex)*t.sampleTable.sampleToChunk[e].samplesPerChunk)}break;case"stco":{let t=this.currentTrack;if(!t||!t.sampleTable)break;e.skip(4);let r=(0,m.readU32Be)(e);for(let a=0;a<r;a++){let r=(0,m.readU32Be)(e);t.sampleTable.chunkOffsets.push(r)}}break;case"co64":{let t=this.currentTrack;if(!t||!t.sampleTable)break;e.skip(4);let r=(0,m.readU32Be)(e);for(let a=0;a<r;a++){let r=(0,m.readU64Be)(e);t.sampleTable.chunkOffsets.push(r)}}break;case"mvex":this.isFragmented=!0,this.readContiguousBoxes(e.slice(a,r.contentSize));break;case"mehd":{let t=(0,m.readU8)(e);e.skip(3);let r=1===t?(0,m.readU64Be)(e):(0,m.readU32Be)(e);this.movieDurationInTimescale=r}break;case"trex":{e.skip(4);let t=(0,m.readU32Be)(e),r=(0,m.readU32Be)(e),a=(0,m.readU32Be)(e),i=(0,m.readU32Be)(e),s=(0,m.readU32Be)(e);this.fragmentTrackDefaults.push({trackId:t,defaultSampleDescriptionIndex:r,defaultSampleDuration:a,defaultSampleSize:i,defaultSampleFlags:s})}break;case"tfra":{let t=(0,m.readU8)(e);e.skip(3);let r=(0,m.readU32Be)(e),a=this.tracks.find(e=>e.id===r);if(!a)break;let i=(0,m.readU32Be)(e),s=[m.readU8,m.readU16Be,m.readU24Be,m.readU32Be],n=s[(48&i)>>4],o=s[(12&i)>>2],l=s[3&i],c=(0,m.readU32Be)(e);for(let r=0;r<c;r++){let r=1===t?(0,m.readU64Be)(e):(0,m.readU32Be)(e),i=1===t?(0,m.readU64Be)(e):(0,m.readU32Be)(e);n(e),o(e),l(e),a.fragmentLookupTable.push({timestamp:r,moofOffset:i})}a.fragmentLookupTable.sort((e,t)=>e.timestamp-t.timestamp);for(let e=0;e<a.fragmentLookupTable.length-1;e++){let t=a.fragmentLookupTable[e],r=a.fragmentLookupTable[e+1];t.timestamp===r.timestamp&&(a.fragmentLookupTable.splice(e+1,1),e--)}}break;case"moof":this.currentFragment={moofOffset:t,moofSize:r.totalSize,implicitBaseDataOffset:t,trackData:new Map},this.readContiguousBoxes(e.slice(a,r.contentSize)),this.lastReadFragment=this.currentFragment,this.currentFragment=null;break;case"traf":if((0,c.assert)(this.currentFragment),this.readContiguousBoxes(e.slice(a,r.contentSize)),this.currentTrack){let e=this.currentFragment.trackData.get(this.currentTrack.id);if(e){let{currentFragmentState:t}=this.currentTrack;(0,c.assert)(t),null!==t.startTimestamp&&(w(e,t.startTimestamp),e.startTimestampIsFinal=!0)}this.currentTrack.currentFragmentState=null,this.currentTrack=null}break;case"tfhd":{(0,c.assert)(this.currentFragment),e.skip(1);let t=(0,m.readU24Be)(e),r=(0,m.readU32Be)(e),a=this.tracks.find(e=>e.id===r);if(!a)break;let i=this.fragmentTrackDefaults.find(e=>e.trackId===r);this.currentTrack=a,a.currentFragmentState={baseDataOffset:this.currentFragment.implicitBaseDataOffset,sampleDescriptionIndex:i?.defaultSampleDescriptionIndex??null,defaultSampleDuration:i?.defaultSampleDuration??null,defaultSampleSize:i?.defaultSampleSize??null,defaultSampleFlags:i?.defaultSampleFlags??null,startTimestamp:null},1&t?a.currentFragmentState.baseDataOffset=(0,m.readU64Be)(e):131072&t&&(a.currentFragmentState.baseDataOffset=this.currentFragment.moofOffset),2&t&&(a.currentFragmentState.sampleDescriptionIndex=(0,m.readU32Be)(e)),8&t&&(a.currentFragmentState.defaultSampleDuration=(0,m.readU32Be)(e)),16&t&&(a.currentFragmentState.defaultSampleSize=(0,m.readU32Be)(e)),32&t&&(a.currentFragmentState.defaultSampleFlags=(0,m.readU32Be)(e)),65536&t&&(a.currentFragmentState.defaultSampleDuration=0)}break;case"tfdt":{let t=this.currentTrack;if(!t)break;(0,c.assert)(t.currentFragmentState);let r=(0,m.readU8)(e);e.skip(3);let a=0===r?(0,m.readU32Be)(e):(0,m.readU64Be)(e);t.currentFragmentState.startTimestamp=a}break;case"trun":{let t=this.currentTrack;if(!t)break;if((0,c.assert)(this.currentFragment),(0,c.assert)(t.currentFragmentState),this.currentFragment.trackData.has(t.id)){console.warn("Can't have two trun boxes for the same track in one fragment. Ignoring...");break}let r=(0,m.readU8)(e),a=(0,m.readU24Be)(e),i=!!(256&a),s=!!(512&a),n=!!(1024&a),o=!!(2048&a),l=(0,m.readU32Be)(e),d=t.currentFragmentState.baseDataOffset;1&a&&(d+=(0,m.readI32Be)(e));let u=null;4&a&&(u=(0,m.readU32Be)(e));let h=d;if(0===l){this.currentFragment.implicitBaseDataOffset=h;break}let p=0,f={track:t,startTimestamp:0,endTimestamp:0,firstKeyFrameTimestamp:null,samples:[],presentationTimestamps:[],startTimestampIsFinal:!1};this.currentFragment.trackData.set(t.id,f);for(let a=0;a<l;a++){let l,d,g;i?l=(0,m.readU32Be)(e):((0,c.assert)(null!==t.currentFragmentState.defaultSampleDuration),l=t.currentFragmentState.defaultSampleDuration),s?d=(0,m.readU32Be)(e):((0,c.assert)(null!==t.currentFragmentState.defaultSampleSize),d=t.currentFragmentState.defaultSampleSize),n?g=(0,m.readU32Be)(e):((0,c.assert)(null!==t.currentFragmentState.defaultSampleFlags),g=t.currentFragmentState.defaultSampleFlags),0===a&&null!==u&&(g=u);let k=0;o&&(k=0===r?(0,m.readU32Be)(e):(0,m.readI32Be)(e));let b=!(65536&g);f.samples.push({presentationTimestamp:p+k,duration:l,byteOffset:h,byteSize:d,isKeyFrame:b}),h+=d,p+=l}f.presentationTimestamps=f.samples.map((e,t)=>({presentationTimestamp:e.presentationTimestamp,sampleIndex:t})).sort((e,t)=>e.presentationTimestamp-t.presentationTimestamp);for(let e=0;e<f.presentationTimestamps.length;e++){let t=f.presentationTimestamps[e],r=f.samples[t.sampleIndex];null===f.firstKeyFrameTimestamp&&r.isKeyFrame&&(f.firstKeyFrameTimestamp=r.presentationTimestamp),e<f.presentationTimestamps.length-1&&(r.duration=f.presentationTimestamps[e+1].presentationTimestamp-t.presentationTimestamp)}let g=f.samples[f.presentationTimestamps[0].sampleIndex],k=f.samples[(0,c.last)(f.presentationTimestamps).sampleIndex];f.startTimestamp=g.presentationTimestamp,f.endTimestamp=k.presentationTimestamp+k.duration,this.currentFragment.implicitBaseDataOffset=h}break;case"udta":for(let{boxInfo:t,slice:i}of this.iterateContiguousBoxes(e.slice(a,r.contentSize))){if("meta"!==t.name&&!this.currentTrack){let e=i.filePos;this.metadataTags.raw??={},"©"===t.name[0]?this.metadataTags.raw[t.name]??=(0,h.readMetadataStringShort)(i):this.metadataTags.raw[t.name]??=(0,m.readBytes)(i,t.contentSize),i.filePos=e}switch(t.name){case"meta":i.skip(-t.headerSize),this.traverseBox(i);break;case"©nam":case"name":this.currentTrack?this.currentTrack.name=c.textDecoder.decode((0,m.readBytes)(i,t.contentSize)):this.metadataTags.title??=(0,h.readMetadataStringShort)(i);break;case"©des":this.currentTrack||(this.metadataTags.description??=(0,h.readMetadataStringShort)(i));break;case"©ART":this.currentTrack||(this.metadataTags.artist??=(0,h.readMetadataStringShort)(i));break;case"©alb":this.currentTrack||(this.metadataTags.album??=(0,h.readMetadataStringShort)(i));break;case"albr":this.currentTrack||(this.metadataTags.albumArtist??=(0,h.readMetadataStringShort)(i));break;case"©gen":this.currentTrack||(this.metadataTags.genre??=(0,h.readMetadataStringShort)(i));break;case"©day":if(!this.currentTrack){let e=new Date((0,h.readMetadataStringShort)(i));Number.isNaN(e.getTime())||(this.metadataTags.date??=e)}break;case"©cmt":this.currentTrack||(this.metadataTags.comment??=(0,h.readMetadataStringShort)(i));break;case"©lyr":this.currentTrack||(this.metadataTags.lyrics??=(0,h.readMetadataStringShort)(i))}}break;case"meta":{if(this.currentTrack)break;let t=(0,m.readU32Be)(e);this.currentMetadataKeys=new Map,0!==t?this.readContiguousBoxes(e.slice(a,r.contentSize)):this.readContiguousBoxes(e.slice(a+4,r.contentSize-4)),this.currentMetadataKeys=null}break;case"keys":{if(!this.currentMetadataKeys)break;e.skip(4);let t=(0,m.readU32Be)(e);for(let r=0;r<t;r++){let t=(0,m.readU32Be)(e);e.skip(4);let a=c.textDecoder.decode((0,m.readBytes)(e,t-8));this.currentMetadataKeys.set(r+1,a)}}break;case"ilst":if(!this.currentMetadataKeys)break;for(let{boxInfo:t,slice:i}of this.iterateContiguousBoxes(e.slice(a,r.contentSize))){let e=t.name,r=(e.charCodeAt(0)<<24)+(e.charCodeAt(1)<<16)+(e.charCodeAt(2)<<8)+e.charCodeAt(3);this.currentMetadataKeys.has(r)&&(e=this.currentMetadataKeys.get(r));let a=(0,h.readDataBox)(i);switch(this.metadataTags.raw??={},this.metadataTags.raw[e]??=a,e){case"©nam":case"titl":case"com.apple.quicktime.title":case"title":"string"==typeof a&&(this.metadataTags.title??=a);break;case"©des":case"desc":case"dscp":case"com.apple.quicktime.description":case"description":"string"==typeof a&&(this.metadataTags.description??=a);break;case"©ART":case"com.apple.quicktime.artist":case"artist":"string"==typeof a&&(this.metadataTags.artist??=a);break;case"©alb":case"albm":case"com.apple.quicktime.album":case"album":"string"==typeof a&&(this.metadataTags.album??=a);break;case"aART":case"album_artist":"string"==typeof a&&(this.metadataTags.albumArtist??=a);break;case"©cmt":case"com.apple.quicktime.comment":case"comment":"string"==typeof a&&(this.metadataTags.comment??=a);break;case"©gen":case"gnre":case"com.apple.quicktime.genre":case"genre":"string"==typeof a&&(this.metadataTags.genre??=a);break;case"©lyr":case"lyrics":"string"==typeof a&&(this.metadataTags.lyrics??=a);break;case"©day":case"rldt":case"com.apple.quicktime.creationdate":case"date":if("string"==typeof a){let e=new Date(a);Number.isNaN(e.getTime())||(this.metadataTags.date??=e)}break;case"covr":case"com.apple.quicktime.artwork":a instanceof p.RichImageData?(this.metadataTags.images??=[],this.metadataTags.images.push({data:a.data,kind:"coverFront",mimeType:a.mimeType})):a instanceof Uint8Array&&(this.metadataTags.images??=[],this.metadataTags.images.push({data:a,kind:"coverFront",mimeType:"image/*"}));break;case"track":if("string"==typeof a){let e=a.split("/"),t=Number.parseInt(e[0],10),r=e[1]&&Number.parseInt(e[1],10);Number.isInteger(t)&&t>0&&(this.metadataTags.trackNumber??=t),r&&Number.isInteger(r)&&r>0&&(this.metadataTags.tracksTotal??=r)}break;case"trkn":if(a instanceof Uint8Array&&a.length>=6){let e=(0,c.toDataView)(a),t=e.getUint16(2,!1),r=e.getUint16(4,!1);t>0&&(this.metadataTags.trackNumber??=t),r>0&&(this.metadataTags.tracksTotal??=r)}break;case"disc":case"disk":if(a instanceof Uint8Array&&a.length>=6){let e=(0,c.toDataView)(a),t=e.getUint16(2,!1),r=e.getUint16(4,!1);t>0&&(this.metadataTags.discNumber??=t),r>0&&(this.metadataTags.discsTotal??=r)}}}}return e.filePos=i,!0}}class g{constructor(e){this.internalTrack=e,this.packetToSampleIndex=new WeakMap,this.packetToFragmentLocation=new WeakMap}getId(){return this.internalTrack.id}getNumber(){let e=this.internalTrack.demuxer,t=this.internalTrack.inputTrack.type,r=0;for(let a of e.tracks)if(a.inputTrack.type===t&&r++,a===this.internalTrack)break;return r}getCodec(){throw Error("Not implemented on base class.")}getInternalCodecId(){return this.internalTrack.internalCodecId}getName(){return this.internalTrack.name}getLanguageCode(){return this.internalTrack.languageCode}getTimeResolution(){return this.internalTrack.timescale}getDisposition(){return this.internalTrack.disposition}async computeDuration(){let e=await this.getPacket(1/0,{metadataOnly:!0});return(e?.timestamp??0)+(e?.duration??0)}async getFirstTimestamp(){let e=await this.getFirstPacket({metadataOnly:!0});return e?.timestamp??0}async getFirstPacket(e){let t=await this.fetchPacketForSampleIndex(0,e);return t||!this.internalTrack.demuxer.isFragmented?t:this.performFragmentedLookup(null,e=>e.trackData.get(this.internalTrack.id)?{sampleIndex:0,correctSampleFound:!0}:{sampleIndex:-1,correctSampleFound:!1},-1/0,1/0,e)}mapTimestampIntoTimescale(e){return(0,c.roundIfAlmostInteger)(e*this.internalTrack.timescale)+this.internalTrack.editListOffset}async getPacket(e,t){let r=this.mapTimestampIntoTimescale(e),a=this.internalTrack.demuxer.getSampleTableForTrack(this.internalTrack),i=y(a,r),s=await this.fetchPacketForSampleIndex(i,t);return E(a)&&this.internalTrack.demuxer.isFragmented?this.performFragmentedLookup(null,e=>{let t=e.trackData.get(this.internalTrack.id);if(!t)return{sampleIndex:-1,correctSampleFound:!1};let a=(0,c.binarySearchLessOrEqual)(t.presentationTimestamps,r,e=>e.presentationTimestamp);return{sampleIndex:-1!==a?t.presentationTimestamps[a].sampleIndex:-1,correctSampleFound:-1!==a&&r<t.endTimestamp}},r,r,t):s}async getNextPacket(e,t){let r=this.packetToSampleIndex.get(e);if(void 0!==r)return this.fetchPacketForSampleIndex(r+1,t);let a=this.packetToFragmentLocation.get(e);if(void 0===a)throw Error("Packet was not created from this track.");return this.performFragmentedLookup(a.fragment,e=>{if(e===a.fragment){let t=e.trackData.get(this.internalTrack.id);if(a.sampleIndex+1<t.samples.length)return{sampleIndex:a.sampleIndex+1,correctSampleFound:!0}}else if(e.trackData.get(this.internalTrack.id))return{sampleIndex:0,correctSampleFound:!0};return{sampleIndex:-1,correctSampleFound:!1}},-1/0,1/0,t)}async getKeyPacket(e,t){let r=this.mapTimestampIntoTimescale(e),a=this.internalTrack.demuxer.getSampleTableForTrack(this.internalTrack),i=S(a,r),s=await this.fetchPacketForSampleIndex(i,t);return E(a)&&this.internalTrack.demuxer.isFragmented?this.performFragmentedLookup(null,e=>{let t=e.trackData.get(this.internalTrack.id);if(!t)return{sampleIndex:-1,correctSampleFound:!1};let a=(0,c.findLastIndex)(t.presentationTimestamps,e=>t.samples[e.sampleIndex].isKeyFrame&&e.presentationTimestamp<=r);return{sampleIndex:-1!==a?t.presentationTimestamps[a].sampleIndex:-1,correctSampleFound:-1!==a&&r<t.endTimestamp}},r,r,t):s}async getNextKeyPacket(e,t){let r=this.packetToSampleIndex.get(e);if(void 0!==r){let e=I(this.internalTrack.demuxer.getSampleTableForTrack(this.internalTrack),r);return this.fetchPacketForSampleIndex(e,t)}let a=this.packetToFragmentLocation.get(e);if(void 0===a)throw Error("Packet was not created from this track.");return this.performFragmentedLookup(a.fragment,e=>{if(e===a.fragment){let t=e.trackData.get(this.internalTrack.id).samples.findIndex((e,t)=>e.isKeyFrame&&t>a.sampleIndex);if(-1!==t)return{sampleIndex:t,correctSampleFound:!0}}else{let t=e.trackData.get(this.internalTrack.id);if(t&&null!==t.firstKeyFrameTimestamp){let e=t.samples.findIndex(e=>e.isKeyFrame);return(0,c.assert)(-1!==e),{sampleIndex:e,correctSampleFound:!0}}}return{sampleIndex:-1,correctSampleFound:!1}},-1/0,1/0,t)}async fetchPacketForSampleIndex(e,t){let r;if(-1===e)return null;let a=T(this.internalTrack.demuxer.getSampleTableForTrack(this.internalTrack),e);if(!a)return null;if(t.metadataOnly)r=d.PLACEHOLDER_DATA;else{let e=this.internalTrack.demuxer.reader.requestSlice(a.sampleOffset,a.sampleSize);e instanceof Promise&&(e=await e),(0,c.assert)(e),r=(0,m.readBytes)(e,a.sampleSize)}let i=(a.presentationTimestamp-this.internalTrack.editListOffset)/this.internalTrack.timescale,s=a.duration/this.internalTrack.timescale,n=new(0,d.EncodedPacket)(r,a.isKeyFrame?"key":"delta",i,s,e,a.sampleSize);return this.packetToSampleIndex.set(n,e),n}async fetchPacketInFragment(e,t,r){let a;if(-1===t)return null;let i=e.trackData.get(this.internalTrack.id).samples[t];if((0,c.assert)(i),r.metadataOnly)a=d.PLACEHOLDER_DATA;else{let e=this.internalTrack.demuxer.reader.requestSlice(i.byteOffset,i.byteSize);e instanceof Promise&&(e=await e),(0,c.assert)(e),a=(0,m.readBytes)(e,i.byteSize)}let s=(i.presentationTimestamp-this.internalTrack.editListOffset)/this.internalTrack.timescale,n=i.duration/this.internalTrack.timescale,o=new(0,d.EncodedPacket)(a,i.isKeyFrame?"key":"delta",s,n,e.moofOffset+t,i.byteSize);return this.packetToFragmentLocation.set(o,{fragment:e,sampleIndex:t}),o}async performFragmentedLookup(e,t,r,a,i){let s,n=this.internalTrack.demuxer,o=null,l=null,d=-1;if(e){let{sampleIndex:r,correctSampleFound:a}=t(e);if(a)return this.fetchPacketInFragment(e,r,i);-1!==r&&(l=e,d=r)}let u=(0,c.binarySearchLessOrEqual)(this.internalTrack.fragmentLookupTable,r,e=>e.timestamp),m=-1!==u?this.internalTrack.fragmentLookupTable[u]:null,p=(0,c.binarySearchLessOrEqual)(this.internalTrack.fragmentPositionCache,r,e=>e.startTimestamp),f=-1!==p?this.internalTrack.fragmentPositionCache[p]:null,g=Math.max(m?.moofOffset??0,f?.moofOffset??0)||null;for(e?null===g||e.moofOffset>=g?(s=e.moofOffset+e.moofSize,o=e):s=g:s=g??0;;){if(o){let e=o.trackData.get(this.internalTrack.id);if(e&&e.startTimestamp>a)break}let e=n.reader.requestSliceRange(s,h.MIN_BOX_HEADER_SIZE,h.MAX_BOX_HEADER_SIZE);if(e instanceof Promise&&(e=await e),!e)break;let r=s,c=(0,h.readBoxHeader)(e);if(!c)break;if("moof"===c.name){let{sampleIndex:e,correctSampleFound:a}=t(o=await n.readFragment(r));if(a)return this.fetchPacketInFragment(o,e,i);-1!==e&&(l=o,d=e)}s=r+c.totalSize}if(m&&(!l||l.moofOffset<m.moofOffset)){let e=this.internalTrack.fragmentLookupTable[u-1];(0,c.assert)(!e||e.timestamp<m.timestamp);let r=e?.timestamp??-1/0;return this.performFragmentedLookup(null,t,r,a,i)}return l?this.fetchPacketInFragment(l,d,i):null}}class k extends g{constructor(e){super(e),this.decoderConfigPromise=null,this.internalTrack=e}getCodec(){return this.internalTrack.info.codec}getCodedWidth(){return this.internalTrack.info.width}getCodedHeight(){return this.internalTrack.info.height}getRotation(){return this.internalTrack.rotation}async getColorSpace(){return{primaries:this.internalTrack.info.colorSpace?.primaries,transfer:this.internalTrack.info.colorSpace?.transfer,matrix:this.internalTrack.info.colorSpace?.matrix,fullRange:this.internalTrack.info.colorSpace?.fullRange}}async canBeTransparent(){return!1}async getDecoderConfig(){return this.internalTrack.info.codec?this.decoderConfigPromise??=(async()=>{if("vp9"!==this.internalTrack.info.codec||this.internalTrack.info.vp9CodecInfo){if("av1"===this.internalTrack.info.codec&&!this.internalTrack.info.av1CodecInfo){let e=await this.getFirstPacket({});this.internalTrack.info.av1CodecInfo=e&&(0,n.extractAv1CodecInfoFromPacket)(e.data)}}else{let e=await this.getFirstPacket({});this.internalTrack.info.vp9CodecInfo=e&&(0,n.extractVp9CodecInfoFromPacket)(e.data)}return{codec:(0,s.extractVideoCodecString)(this.internalTrack.info),codedWidth:this.internalTrack.info.width,codedHeight:this.internalTrack.info.height,description:this.internalTrack.info.codecDescription??void 0,colorSpace:this.internalTrack.info.colorSpace??void 0}})():null}}class b extends g{constructor(e){super(e),this.decoderConfig=null,this.internalTrack=e}getCodec(){return this.internalTrack.info.codec}getNumberOfChannels(){return this.internalTrack.info.numberOfChannels}getSampleRate(){return this.internalTrack.info.sampleRate}async getDecoderConfig(){return this.internalTrack.info.codec?this.decoderConfig??={codec:(0,s.extractAudioCodecString)(this.internalTrack.info),numberOfChannels:this.internalTrack.info.numberOfChannels,sampleRate:this.internalTrack.info.sampleRate,description:this.internalTrack.info.codecDescription??void 0}:null}}let y=(e,t)=>{if(e.presentationTimestamps){let r=(0,c.binarySearchLessOrEqual)(e.presentationTimestamps,t,e=>e.presentationTimestamp);return -1===r?-1:e.presentationTimestamps[r].sampleIndex}{let r=(0,c.binarySearchLessOrEqual)(e.sampleTimingEntries,t,e=>e.startDecodeTimestamp);if(-1===r)return -1;let a=e.sampleTimingEntries[r];return a.startIndex+Math.min(Math.floor((t-a.startDecodeTimestamp)/a.delta),a.count-1)}},S=(e,t)=>{if(!e.keySampleIndices)return y(e,t);if(e.presentationTimestamps){let r=(0,c.binarySearchLessOrEqual)(e.presentationTimestamps,t,e=>e.presentationTimestamp);if(-1===r)return -1;for(let t=r;t>=0;t--){let r=e.presentationTimestamps[t].sampleIndex;if(-1!==(0,c.binarySearchExact)(e.keySampleIndices,r,e=>e))return r}return -1}{let r=y(e,t),a=(0,c.binarySearchLessOrEqual)(e.keySampleIndices,r,e=>e);return e.keySampleIndices[a]??-1}},T=(e,t)=>{let r=(0,c.binarySearchLessOrEqual)(e.sampleTimingEntries,t,e=>e.startIndex),a=e.sampleTimingEntries[r];if(!a||a.startIndex+a.count<=t)return null;let i=a.startDecodeTimestamp+(t-a.startIndex)*a.delta,s=(0,c.binarySearchLessOrEqual)(e.sampleCompositionTimeOffsets,t,e=>e.startIndex),n=e.sampleCompositionTimeOffsets[s];n&&t-n.startIndex<n.count&&(i+=n.offset);let o=e.sampleSizes[Math.min(t,e.sampleSizes.length-1)],l=(0,c.binarySearchLessOrEqual)(e.sampleToChunk,t,e=>e.startSampleIndex),d=e.sampleToChunk[l];(0,c.assert)(d);let u=d.startChunkIndex+Math.floor((t-d.startSampleIndex)/d.samplesPerChunk),h=e.chunkOffsets[u],m=d.startSampleIndex+(u-d.startChunkIndex)*d.samplesPerChunk,p=0,f=h;if(1===e.sampleSizes.length)f+=o*(t-m),p+=o*d.samplesPerChunk;else for(let r=m;r<m+d.samplesPerChunk;r++){let a=e.sampleSizes[r];r<t&&(f+=a),p+=a}let g=a.delta;if(e.presentationTimestamps){let r=e.presentationTimestampIndexMap[t];(0,c.assert)(void 0!==r),r<e.presentationTimestamps.length-1&&(g=e.presentationTimestamps[r+1].presentationTimestamp-i)}return{presentationTimestamp:i,duration:g,sampleOffset:f,sampleSize:o,chunkOffset:h,chunkSize:p,isKeyFrame:!e.keySampleIndices||-1!==(0,c.binarySearchExact)(e.keySampleIndices,t,e=>e)}},I=(e,t)=>{if(!e.keySampleIndices)return t+1;let r=(0,c.binarySearchLessOrEqual)(e.keySampleIndices,t,e=>e);return e.keySampleIndices[r+1]??-1},w=(e,t)=>{for(let r of(e.startTimestamp+=t,e.endTimestamp+=t,e.samples))r.presentationTimestamp+=t;for(let r of e.presentationTimestamps)r.presentationTimestamp+=t},x=e=>{let[t,,,r]=e,a=Math.hypot(t,r),i=-(180/Math.PI*Math.atan2(r/a,t/a));return Number.isFinite(i)?i:0},E=e=>0===e.sampleSizes.length},{"../codec.js":"4GUiq","../codec-data.js":"zx4dz","../demuxer.js":"73Qqp","../input-track.js":"aU0uf","../misc.js":"jrq2g","../packet.js":"8dQhf","./isobmff-misc.js":"fHhRy","./isobmff-reader.js":"8zjcB","../reader.js":"6AkKg","../metadata.js":"1RzS5","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],"4GUiq":[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"VIDEO_CODECS",()=>n),i.export(r,"PCM_AUDIO_CODECS",()=>o),i.export(r,"NON_PCM_AUDIO_CODECS",()=>l),i.export(r,"AUDIO_CODECS",()=>c),i.export(r,"SUBTITLE_CODECS",()=>d),i.export(r,"AVC_LEVEL_TABLE",()=>u),i.export(r,"VP9_LEVEL_TABLE",()=>m),i.export(r,"buildVideoCodecString",()=>k),i.export(r,"generateVp9CodecConfigurationFromCodecString",()=>b),i.export(r,"generateAv1CodecConfigurationFromCodecString",()=>y),i.export(r,"extractVideoCodecString",()=>S),i.export(r,"buildAudioCodecString",()=>T),i.export(r,"extractAudioCodecString",()=>I),i.export(r,"aacFrequencyTable",()=>w),i.export(r,"aacChannelMap",()=>x),i.export(r,"parseAacAudioSpecificConfig",()=>E),i.export(r,"buildAacAudioSpecificConfig",()=>P),i.export(r,"OPUS_SAMPLE_RATE",()=>v),i.export(r,"parsePcmCodec",()=>A),i.export(r,"inferCodecFromCodecString",()=>B),i.export(r,"getVideoEncoderConfigExtension",()=>_),i.export(r,"getAudioEncoderConfigExtension",()=>D),i.export(r,"validateVideoChunkMetadata",()=>N),i.export(r,"validateAudioChunkMetadata",()=>j),i.export(r,"validateSubtitleMetadata",()=>z);var s=e("./misc.js");let n=["avc","hevc","vp9","av1","vp8"],o=["pcm-s16","pcm-s16be","pcm-s24","pcm-s24be","pcm-s32","pcm-s32be","pcm-f32","pcm-f32be","pcm-f64","pcm-f64be","pcm-u8","pcm-s8","ulaw","alaw"],l=["aac","opus","mp3","vorbis","flac"],c=[...l,...o],d=["webvtt"],u=[{maxMacroblocks:99,maxBitrate:64e3,maxDpbMbs:396,level:10},{maxMacroblocks:396,maxBitrate:192e3,maxDpbMbs:900,level:11},{maxMacroblocks:396,maxBitrate:384e3,maxDpbMbs:2376,level:12},{maxMacroblocks:396,maxBitrate:768e3,maxDpbMbs:2376,level:13},{maxMacroblocks:396,maxBitrate:2e6,maxDpbMbs:2376,level:20},{maxMacroblocks:792,maxBitrate:4e6,maxDpbMbs:4752,level:21},{maxMacroblocks:1620,maxBitrate:4e6,maxDpbMbs:8100,level:22},{maxMacroblocks:1620,maxBitrate:1e7,maxDpbMbs:8100,level:30},{maxMacroblocks:3600,maxBitrate:14e6,maxDpbMbs:18e3,level:31},{maxMacroblocks:5120,maxBitrate:2e7,maxDpbMbs:20480,level:32},{maxMacroblocks:8192,maxBitrate:2e7,maxDpbMbs:32768,level:40},{maxMacroblocks:8192,maxBitrate:5e7,maxDpbMbs:32768,level:41},{maxMacroblocks:8704,maxBitrate:5e7,maxDpbMbs:34816,level:42},{maxMacroblocks:22080,maxBitrate:135e6,maxDpbMbs:110400,level:50},{maxMacroblocks:36864,maxBitrate:24e7,maxDpbMbs:184320,level:51},{maxMacroblocks:36864,maxBitrate:24e7,maxDpbMbs:184320,level:52},{maxMacroblocks:139264,maxBitrate:24e7,maxDpbMbs:696320,level:60},{maxMacroblocks:139264,maxBitrate:48e7,maxDpbMbs:696320,level:61},{maxMacroblocks:139264,maxBitrate:8e8,maxDpbMbs:696320,level:62}],h=[{maxPictureSize:36864,maxBitrate:128e3,tier:"L",level:30},{maxPictureSize:122880,maxBitrate:15e5,tier:"L",level:60},{maxPictureSize:245760,maxBitrate:3e6,tier:"L",level:63},{maxPictureSize:552960,maxBitrate:6e6,tier:"L",level:90},{maxPictureSize:983040,maxBitrate:1e7,tier:"L",level:93},{maxPictureSize:2228224,maxBitrate:12e6,tier:"L",level:120},{maxPictureSize:2228224,maxBitrate:3e7,tier:"H",level:120},{maxPictureSize:2228224,maxBitrate:2e7,tier:"L",level:123},{maxPictureSize:2228224,maxBitrate:5e7,tier:"H",level:123},{maxPictureSize:8912896,maxBitrate:25e6,tier:"L",level:150},{maxPictureSize:8912896,maxBitrate:1e8,tier:"H",level:150},{maxPictureSize:8912896,maxBitrate:4e7,tier:"L",level:153},{maxPictureSize:8912896,maxBitrate:16e7,tier:"H",level:153},{maxPictureSize:8912896,maxBitrate:6e7,tier:"L",level:156},{maxPictureSize:8912896,maxBitrate:24e7,tier:"H",level:156},{maxPictureSize:0x2200000,maxBitrate:6e7,tier:"L",level:180},{maxPictureSize:0x2200000,maxBitrate:24e7,tier:"H",level:180},{maxPictureSize:0x2200000,maxBitrate:12e7,tier:"L",level:183},{maxPictureSize:0x2200000,maxBitrate:48e7,tier:"H",level:183},{maxPictureSize:0x2200000,maxBitrate:24e7,tier:"L",level:186},{maxPictureSize:0x2200000,maxBitrate:8e8,tier:"H",level:186}],m=[{maxPictureSize:36864,maxBitrate:2e5,level:10},{maxPictureSize:73728,maxBitrate:8e5,level:11},{maxPictureSize:122880,maxBitrate:18e5,level:20},{maxPictureSize:245760,maxBitrate:36e5,level:21},{maxPictureSize:552960,maxBitrate:72e5,level:30},{maxPictureSize:983040,maxBitrate:12e6,level:31},{maxPictureSize:2228224,maxBitrate:18e6,level:40},{maxPictureSize:2228224,maxBitrate:3e7,level:41},{maxPictureSize:8912896,maxBitrate:6e7,level:50},{maxPictureSize:8912896,maxBitrate:12e7,level:51},{maxPictureSize:8912896,maxBitrate:18e7,level:52},{maxPictureSize:0x2200000,maxBitrate:18e7,level:60},{maxPictureSize:0x2200000,maxBitrate:24e7,level:61},{maxPictureSize:0x2200000,maxBitrate:48e7,level:62}],p=[{maxPictureSize:147456,maxBitrate:15e5,tier:"M",level:0},{maxPictureSize:278784,maxBitrate:3e6,tier:"M",level:1},{maxPictureSize:665856,maxBitrate:6e6,tier:"M",level:4},{maxPictureSize:1065024,maxBitrate:1e7,tier:"M",level:5},{maxPictureSize:2359296,maxBitrate:12e6,tier:"M",level:8},{maxPictureSize:2359296,maxBitrate:3e7,tier:"H",level:8},{maxPictureSize:2359296,maxBitrate:2e7,tier:"M",level:9},{maxPictureSize:2359296,maxBitrate:5e7,tier:"H",level:9},{maxPictureSize:8912896,maxBitrate:3e7,tier:"M",level:12},{maxPictureSize:8912896,maxBitrate:1e8,tier:"H",level:12},{maxPictureSize:8912896,maxBitrate:4e7,tier:"M",level:13},{maxPictureSize:8912896,maxBitrate:16e7,tier:"H",level:13},{maxPictureSize:8912896,maxBitrate:6e7,tier:"M",level:14},{maxPictureSize:8912896,maxBitrate:24e7,tier:"H",level:14},{maxPictureSize:0x2200000,maxBitrate:6e7,tier:"M",level:15},{maxPictureSize:0x2200000,maxBitrate:24e7,tier:"H",level:15},{maxPictureSize:0x2200000,maxBitrate:6e7,tier:"M",level:16},{maxPictureSize:0x2200000,maxBitrate:24e7,tier:"H",level:16},{maxPictureSize:0x2200000,maxBitrate:1e8,tier:"M",level:17},{maxPictureSize:0x2200000,maxBitrate:48e7,tier:"H",level:17},{maxPictureSize:0x2200000,maxBitrate:16e7,tier:"M",level:18},{maxPictureSize:0x2200000,maxBitrate:8e8,tier:"H",level:18},{maxPictureSize:0x2200000,maxBitrate:16e7,tier:"M",level:19},{maxPictureSize:0x2200000,maxBitrate:8e8,tier:"H",level:19}],f=".01.01.01.01.00",g=".0.110.01.01.01.0",k=(e,t,r,a)=>{if("avc"===e){let e=Math.ceil(t/16)*Math.ceil(r/16),i=u.find(t=>e<=t.maxMacroblocks&&a<=t.maxBitrate)??(0,s.last)(u),n=i?i.level:0,o="64".padStart(2,"0"),l=n.toString(16).padStart(2,"0");return`avc1.${o}00${l}`}if("hevc"===e){let e=t*r,i=h.find(t=>e<=t.maxPictureSize&&a<=t.maxBitrate)??(0,s.last)(h);return`hev1.1.6.${i.tier}${i.level}.B0`}if("vp8"===e)return"vp8";if("vp9"===e){let e=t*r,i=m.find(t=>e<=t.maxPictureSize&&a<=t.maxBitrate)??(0,s.last)(m);return`vp09.00.${i.level.toString().padStart(2,"0")}.08`}if("av1"===e){let e=t*r,i=p.find(t=>e<=t.maxPictureSize&&a<=t.maxBitrate)??(0,s.last)(p),n=i.level.toString().padStart(2,"0");return`av01.0.${n}${i.tier}.08`}throw TypeError(`Unhandled codec '${e}'.`)},b=e=>{let t=e.split(".");return[1,1,Number(t[1]),2,1,Number(t[2]),3,1,Number(t[3]),4,1,t[4]?Number(t[4]):1]},y=e=>{let t=e.split("."),r=Number(t[1]),a=t[2];return[129,(r<<5)+Number(a.slice(0,-1)),(("H"===a.slice(-1))<<7)+((8!==Number(t[3]))<<6)+0+((t[4]?Number(t[4]):0)<<4)+((t[5]?Number(t[5][0]):1)<<3)+((t[5]?Number(t[5][1]):1)<<2)+(t[5]?Number(t[5][2]):0),0]},S=e=>{let{codec:t,codecDescription:r,colorSpace:a,avcCodecInfo:i,hevcCodecInfo:n,vp9CodecInfo:o,av1CodecInfo:l}=e;if("avc"===t){if((0,s.assert)(null!==e.avcType),i){let t=new Uint8Array([i.avcProfileIndication,i.profileCompatibility,i.avcLevelIndication]);return`avc${e.avcType}.${(0,s.bytesToHexString)(t)}`}if(!r||r.byteLength<4)throw TypeError("AVC decoder description is not provided or is not at least 4 bytes long.");return`avc${e.avcType}.${(0,s.bytesToHexString)(r.subarray(1,4))}`}if("hevc"===t){let e,t,a,i,o,l;if(n)e=n.generalProfileSpace,t=n.generalProfileIdc,a=(0,s.reverseBitsU32)(n.generalProfileCompatibilityFlags),i=n.generalTierFlag,o=n.generalLevelIdc,l=[...n.generalConstraintIndicatorFlags];else{if(!r||r.byteLength<23)throw TypeError("HEVC decoder description is not provided or is not at least 23 bytes long.");let n=(0,s.toDataView)(r),c=n.getUint8(1);e=c>>6&3,t=31&c,a=(0,s.reverseBitsU32)(n.getUint32(2)),i=c>>5&1,o=n.getUint8(12),l=[];for(let e=0;e<6;e++)l.push(n.getUint8(6+e))}let c="hev1.";for(c+=["","A","B","C"][e]+t,c+=".",c+=a.toString(16).toUpperCase(),c+=".",c+=0===i?"L":"H",c+=o;l.length>0&&0===l[l.length-1];)l.pop();return l.length>0&&(c+=".",c+=l.map(e=>e.toString(16).toUpperCase()).join(".")),c}if("vp8"===t)return"vp8";if("vp9"===t){if(!o){let t=e.width*e.height,r=(0,s.last)(m).level;for(let e of m)if(t<=e.maxPictureSize){r=e.level;break}return`vp09.00.${r.toString().padStart(2,"0")}.08`}let 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o=[...t.length?[{arrayCompleteness:1,nalUnitType:l.VPS_NUT,nalUnits:t}]:[],...r.length?[{arrayCompleteness:1,nalUnitType:l.SPS_NUT,nalUnits:r}]:[],...a.length?[{arrayCompleteness:1,nalUnitType:l.PPS_NUT,nalUnits:a}]:[],...i.length?[{arrayCompleteness:1,nalUnitType:C(i[0][0]),nalUnits:i}]:[]];return{configurationVersion:1,generalProfileSpace:s.generalProfileSpace,generalTierFlag:s.generalTierFlag,generalProfileIdc:s.generalProfileIdc,generalProfileCompatibilityFlags:s.generalProfileCompatibilityFlags,generalConstraintIndicatorFlags:s.generalConstraintIndicatorFlags,generalLevelIdc:s.generalLevelIdc,minSpatialSegmentationIdc:s.minSpatialSegmentationIdc,parallelismType:n,chromaFormatIdc:s.chromaFormatIdc,bitDepthLumaMinus8:s.bitDepthLumaMinus8,bitDepthChromaMinus8:s.bitDepthChromaMinus8,avgFrameRate:0,constantFrameRate:0,numTemporalLayers:s.spsMaxSubLayersMinus1+1,temporalIdNested:s.spsTemporalIdNestingFlag,lengthSizeMinusOne:3,arrays:o}}catch(e){return console.error("Error building HEVC 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a=t.getUint16(r,!1);r+=2,o.push(e.subarray(r,r+a)),r+=a}k.push({arrayCompleteness:i,nalUnitType:s,nalUnits:o})}return{configurationVersion:a,generalProfileSpace:i>>6&3,generalTierFlag:i>>5&1,generalProfileIdc:31&i,generalProfileCompatibilityFlags:s,generalConstraintIndicatorFlags:n,generalLevelIdc:o,minSpatialSegmentationIdc:l,parallelismType:c,chromaFormatIdc:d,bitDepthLumaMinus8:u,bitDepthChromaMinus8:m,avgFrameRate:p,constantFrameRate:f>>6&3,numTemporalLayers:f>>3&7,temporalIdNested:f>>2&1,lengthSizeMinusOne:3&f,arrays:k}}catch(e){return console.error("Error deserializing HEVC Decoder Configuration Record:",e),null}},j=e=>{let t=new(0,h.Bitstream)(e);if(2!==t.readBits(2))return null;let r=t.readBits(1),a=(t.readBits(1)<<1)+r;if(3===a&&t.skipBits(1),1===t.readBits(1)||0!==t.readBits(1)||(t.skipBits(2),4817730!==t.readBits(24)))return null;let i=8;a>=2&&(i=t.readBits(1)?12:10);let s=t.readBits(3),n=0,o=0;if(7!==s)if(o=t.readBits(1),1===a||3===a){let e=t.readBits(1),r=t.readBits(1);n=e||r?e&&!r?2:1:3,t.skipBits(1)}else n=1;else n=3,o=1;let l=(t.readBits(16)+1)*(t.readBits(16)+1),c=(0,h.last)(u.VP9_LEVEL_TABLE).level;for(let e of u.VP9_LEVEL_TABLE)if(l<=e.maxPictureSize){c=e.level;break}return{profile:a,level:c,bitDepth:i,chromaSubsampling:n,videoFullRangeFlag:o,colourPrimaries:2===s?1:1===s?6:2,transferCharacteristics:2===s?1:1===s?6:2,matrixCoefficients:7===s?0:2===s?1:1===s?6:2}},z=function*(e){let t=new(0,h.Bitstream)(e),r=()=>{let e=0;for(let r=0;r<8;r++){let a=t.readAlignedByte();if(e|=(127&a)<<7*r,!(128&a))break;if(7===r&&128&a)return null}return e>=0x100000000-1?null:e};for(;t.getBitsLeft()>=8;){let a;t.skipBits(1);let i=t.readBits(4),s=t.readBits(1),n=t.readBits(1);if(t.skipBits(1),s&&t.skipBits(8),n){let e=r();if(null===e)return;a=e}else a=Math.floor(t.getBitsLeft()/8);(0,h.assert)(t.pos%8==0),yield{type:i,data:e.subarray(t.pos/8,t.pos/8+a)},t.skipBits(8*a)}},V=e=>{for(let{type:t,data:r}of z(e)){if(1!==t)continue;let e=new(0,h.Bitstream)(r),a=e.readBits(3);e.readBits(1);let i=e.readBits(1),s=0,n=0,o=0;if(i)s=e.readBits(5);else{if(e.readBits(1)&&(e.skipBits(32),e.skipBits(32),e.readBits(1)))return null;let t=e.readBits(1);t&&(o=e.readBits(5),e.skipBits(32),e.skipBits(5),e.skipBits(5));let r=e.readBits(5);for(let a=0;a<=r;a++){e.skipBits(12);let r=e.readBits(5);if(0===a&&(s=r),r>7){let t=e.readBits(1);0===a&&(n=t)}if(t&&e.readBits(1)){let t=o+1;e.skipBits(t),e.skipBits(t),e.skipBits(1)}e.readBits(1)&&e.skipBits(4)}}let l=e.readBits(4),c=e.readBits(4),d=l+1;e.skipBits(d);let u=c+1;e.skipBits(u);if((i?0:e.readBits(1))&&(e.skipBits(4),e.skipBits(3)),e.skipBits(1),e.skipBits(1),e.skipBits(1),!i){e.skipBits(1),e.skipBits(1),e.skipBits(1),e.skipBits(1);let t=e.readBits(1);t&&(e.skipBits(1),e.skipBits(1));let r=e.readBits(1);(r?2:e.readBits(1))>0&&(e.readBits(1)||e.skipBits(1)),t&&e.skipBits(3)}e.skipBits(1),e.skipBits(1),e.skipBits(1);let 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null}default:(0,h.assertNever)(e),(0,h.assert)(!1)}};(n=c||(c={}))[n.STREAMINFO=0]="STREAMINFO",n[n.VORBIS_COMMENT=4]="VORBIS_COMMENT",n[n.PICTURE=6]="PICTURE";let X=(e,t)=>{let r=(0,h.toDataView)(e),a=0,i=r.getUint32(a,!0);a+=4;let s=h.textDecoder.decode(e.subarray(a,a+i));a+=i,i>0&&(t.raw??={},t.raw.vendor??=s);let n=r.getUint32(a,!0);a+=4;for(let i=0;i<n;i++){let i=r.getUint32(a,!0);a+=4;let s=h.textDecoder.decode(e.subarray(a,a+i));a+=i;let n=s.indexOf("=");if(-1===n)continue;let o=s.slice(0,n).toUpperCase(),l=s.slice(n+1);switch(t.raw??={},t.raw[o]??=l,o){case"TITLE":t.title??=l;break;case"DESCRIPTION":t.description??=l;break;case"ARTIST":t.artist??=l;break;case"ALBUM":t.album??=l;break;case"ALBUMARTIST":t.albumArtist??=l;break;case"COMMENT":t.comment??=l;break;case"LYRICS":t.lyrics??=l;break;case"TRACKNUMBER":{let e=l.split("/"),r=Number.parseInt(e[0],10),a=e[1]&&Number.parseInt(e[1],10);Number.isInteger(r)&&r>0&&(t.trackNumber??=r),a&&Number.isInteger(a)&&a>0&&(t.tracksTotal??=a)}break;case"TRACKTOTAL":{let e=Number.parseInt(l,10);Number.isInteger(e)&&e>0&&(t.tracksTotal??=e)}break;case"DISCNUMBER":{let e=l.split("/"),r=Number.parseInt(e[0],10),a=e[1]&&Number.parseInt(e[1],10);Number.isInteger(r)&&r>0&&(t.discNumber??=r),a&&Number.isInteger(a)&&a>0&&(t.discsTotal??=a)}break;case"DISCTOTAL":{let e=Number.parseInt(l,10);Number.isInteger(e)&&e>0&&(t.discsTotal??=e)}break;case"DATE":{let e=new Date(l);Number.isNaN(e.getTime())||(t.date??=e)}break;case"GENRE":t.genre??=l;break;case"METADATA_BLOCK_PICTURE":{let e=(0,h.base64ToBytes)(l),r=(0,h.toDataView)(e),a=r.getUint32(0,!1),i=r.getUint32(4,!1),s=String.fromCharCode(...e.subarray(8,8+i)),n=r.getUint32(8+i,!1),o=h.textDecoder.decode(e.subarray(12+i,12+i+n)),c=r.getUint32(i+n+28),d=e.subarray(i+n+32,i+n+32+c);t.images??=[],t.images.push({data:d,mimeType:s,kind:3===a?"coverFront":4===a?"coverBack":"unknown",name:void 0,description:o||void 0})}}}},$=(e,t,r)=>{let a=[e],i=h.textEncoder.encode("Mediabunny"),s=new Uint8Array(4+i.length),n=new DataView(s.buffer);n.setUint32(0,i.length,!0),s.set(i,4),a.push(s);let o=new Set,l=(e,t)=>{let r=`${e}=${t}`,i=h.textEncoder.encode(r);(n=new DataView((s=new Uint8Array(4+i.length)).buffer)).setUint32(0,i.length,!0),s.set(i,4),a.push(s),o.add(e)};for(let{key:e,value:a}of(0,h.keyValueIterator)(t))switch(e){case"title":l("TITLE",a);break;case"description":l("DESCRIPTION",a);break;case"artist":l("ARTIST",a);break;case"album":l("ALBUM",a);break;case"albumArtist":l("ALBUMARTIST",a);break;case"genre":l("GENRE",a);break;case"date":{let e=t.raw?.DATE??t.raw?.date;l("DATE",e&&"string"==typeof e?e:a.toISOString().slice(0,10))}break;case"comment":l("COMMENT",a);break;case"lyrics":l("LYRICS",a);break;case"trackNumber":l("TRACKNUMBER",a.toString());break;case"tracksTotal":l("TRACKTOTAL",a.toString());break;case"discNumber":l("DISCNUMBER",a.toString());break;case"discsTotal":l("DISCTOTAL",a.toString());break;case"images":if(!r)break;for(let e of a){let t="coverFront"===e.kind?3:4*("coverBack"===e.kind),r=new Uint8Array(e.mimeType.length);for(let t=0;t<e.mimeType.length;t++)r[t]=e.mimeType.charCodeAt(t);let a=h.textEncoder.encode(e.description??""),i=new Uint8Array(8+r.length+4+a.length+16+4+e.data.length),s=(0,h.toDataView)(i);s.setUint32(0,t,!1),s.setUint32(4,r.length,!1),i.set(r,8),s.setUint32(8+r.length,a.length,!1),i.set(a,12+r.length),s.setUint32(28+r.length+a.length,e.data.length,!1),i.set(e.data,32+r.length+a.length),l("METADATA_BLOCK_PICTURE",(0,h.bytesToBase64)(i))}break;case"raw":break;default:(0,h.assertNever)(e)}if(t.raw)for(let e in t.raw){let r=t.raw[e]??t.raw[e.toLowerCase()];"vendor"===e||null==r||o.has(e)||"string"==typeof r&&l(e,r)}let c=new Uint8Array(4);(0,h.toDataView)(c).setUint32(0,o.size,!0),a.splice(2,0,c);let d=new Uint8Array(a.reduce((e,t)=>e+t.length,0)),u=0;for(let e of a)d.set(e,u),u+=e.length;return d}},{"./codec.js":"4GUiq","./misc.js":"jrq2g","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],"73Qqp":[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"Demuxer",()=>s);class s{constructor(e){this.input=e}}},{"@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],aU0uf:[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"InputTrack",()=>d),i.export(r,"InputVideoTrack",()=>u),i.export(r,"InputAudioTrack",()=>h);var s=e("./codec-data.js"),n=e("./custom-coder.js"),o=e("./media-sink.js"),l=e("./misc.js"),c=e("./packet.js");class d{constructor(e,t){this.input=e,this._backing=t}isVideoTrack(){return this instanceof u}isAudioTrack(){return this instanceof h}get id(){return this._backing.getId()}get number(){return this._backing.getNumber()}get internalCodecId(){return this._backing.getInternalCodecId()}get languageCode(){return this._backing.getLanguageCode()}get name(){return this._backing.getName()}get timeResolution(){return this._backing.getTimeResolution()}get disposition(){return this._backing.getDisposition()}getFirstTimestamp(){return this._backing.getFirstTimestamp()}computeDuration(){return this._backing.computeDuration()}async computePacketStats(e=1/0){let t=new(0,o.EncodedPacketSink)(this),r=1/0,a=-1/0,i=0,s=0;for await(let n of t.packets(void 0,void 0,{metadataOnly:!0})){if(i>=e&&n.timestamp>=a)break;r=Math.min(r,n.timestamp),a=Math.max(a,n.timestamp+n.duration),i++,s+=n.byteLength}return{packetCount:i,averagePacketRate:i?Number((i/(a-r)).toPrecision(16)):0,averageBitrate:i?Number((8*s/(a-r)).toPrecision(16)):0}}}class u extends d{constructor(e,t){super(e,t),this._backing=t}get type(){return"video"}get codec(){return this._backing.getCodec()}get codedWidth(){return this._backing.getCodedWidth()}get codedHeight(){return this._backing.getCodedHeight()}get rotation(){return this._backing.getRotation()}get displayWidth(){return this._backing.getRotation()%180==0?this._backing.getCodedWidth():this._backing.getCodedHeight()}get displayHeight(){return this._backing.getRotation()%180==0?this._backing.getCodedHeight():this._backing.getCodedWidth()}getColorSpace(){return this._backing.getColorSpace()}async hasHighDynamicRange(){let e=await this._backing.getColorSpace();return"bt2020"===e.primaries||"smpte432"===e.primaries||"pg"===e.transfer||"hlg"===e.transfer||"bt2020-ncl"===e.matrix}canBeTransparent(){return this._backing.canBeTransparent()}getDecoderConfig(){return this._backing.getDecoderConfig()}async getCodecParameterString(){let e=await this._backing.getDecoderConfig();return e?.codec??null}async canDecode(){try{let e=await this._backing.getDecoderConfig();if(!e)return!1;let t=this._backing.getCodec();if((0,l.assert)(null!==t),n.customVideoDecoders.some(r=>r.supports(t,e)))return!0;if("u"<typeof VideoDecoder)return!1;let r=await VideoDecoder.isConfigSupported(e);return!0===r.supported}catch(e){return console.error("Error during decodability check:",e),!1}}async determinePacketType(e){if(!(e instanceof c.EncodedPacket))throw TypeError("packet must be an EncodedPacket.");if(e.isMetadataOnly)throw TypeError("packet must not be metadata-only to determine its type.");if(null===this.codec)return null;let t=await this.getDecoderConfig();return(0,l.assert)(t),(0,s.determineVideoPacketType)(this.codec,t,e.data)}}class h extends d{constructor(e,t){super(e,t),this._backing=t}get type(){return"audio"}get codec(){return this._backing.getCodec()}get numberOfChannels(){return this._backing.getNumberOfChannels()}get sampleRate(){return this._backing.getSampleRate()}getDecoderConfig(){return this._backing.getDecoderConfig()}async getCodecParameterString(){let e=await this._backing.getDecoderConfig();return e?.codec??null}async canDecode(){try{let e=await this._backing.getDecoderConfig();if(!e)return!1;let t=this._backing.getCodec();if((0,l.assert)(null!==t),n.customAudioDecoders.some(r=>r.supports(t,e))||e.codec.startsWith("pcm-"))return!0;{if("u"<typeof AudioDecoder)return!1;let t=await AudioDecoder.isConfigSupported(e);return!0===t.supported}}catch(e){return console.error("Error during decodability check:",e),!1}}async determinePacketType(e){if(!(e instanceof c.EncodedPacket))throw TypeError("packet must be an EncodedPacket.");return null===this.codec?null:"key"}}},{"./codec-data.js":"zx4dz","./custom-coder.js":"57K5K","./media-sink.js":"6e2oW","./misc.js":"jrq2g","./packet.js":"8dQhf","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],"57K5K":[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"CustomVideoDecoder",()=>s),i.export(r,"CustomAudioDecoder",()=>n),i.export(r,"CustomVideoEncoder",()=>o),i.export(r,"CustomAudioEncoder",()=>l),i.export(r,"customVideoDecoders",()=>c),i.export(r,"customAudioDecoders",()=>d),i.export(r,"customVideoEncoders",()=>u),i.export(r,"customAudioEncoders",()=>h),i.export(r,"registerDecoder",()=>m),i.export(r,"registerEncoder",()=>p);class s{static supports(e,t){return!1}}class n{static supports(e,t){return!1}}class o{static supports(e,t){return!1}}class l{static supports(e,t){return!1}}let c=[],d=[],u=[],h=[],m=e=>{if(e.prototype instanceof s){if(c.includes(e))return void console.warn("Video decoder already registered.");c.push(e)}else if(e.prototype instanceof n){if(d.includes(e))return void console.warn("Audio decoder already registered.");d.push(e)}else throw TypeError("Decoder must be a CustomVideoDecoder or CustomAudioDecoder.")},p=e=>{if(e.prototype instanceof o){if(u.includes(e))return void console.warn("Video encoder already registered.");u.push(e)}else if(e.prototype instanceof l){if(h.includes(e))return void console.warn("Audio encoder already registered.");h.push(e)}else throw TypeError("Encoder must be a CustomVideoEncoder or CustomAudioEncoder.")}},{"@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],"6e2oW":[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"EncodedPacketSink",()=>k),i.export(r,"BaseMediaSampleSink",()=>y),i.export(r,"VideoSampleSink",()=>w),i.export(r,"CanvasSink",()=>x),i.export(r,"AudioSampleSink",()=>v),i.export(r,"AudioBufferSink",()=>C);var s=e("./codec.js"),n=e("./codec-data.js"),o=e("./custom-coder.js"),l=e("./input.js"),c=e("./input-track.js"),d=e("./misc.js"),u=e("./packet.js"),h=e("./pcm.js"),m=e("./sample.js");let p=e=>{if(!e||"object"!=typeof e)throw TypeError("options must be an object.");if(void 0!==e.metadataOnly&&"boolean"!=typeof e.metadataOnly)throw TypeError("options.metadataOnly, when defined, must be a boolean.");if(void 0!==e.verifyKeyPackets&&"boolean"!=typeof e.verifyKeyPackets)throw TypeError("options.verifyKeyPackets, when defined, must be a boolean.");if(e.verifyKeyPackets&&e.metadataOnly)throw TypeError("options.verifyKeyPackets and options.metadataOnly cannot be enabled together.")},f=e=>{if(!(0,d.isNumber)(e))throw TypeError("timestamp must be a number.")},g=(e,t,r)=>r.verifyKeyPackets?t.then(async t=>{if(!t||"delta"===t.type)return t;let r=await e.determinePacketType(t);return r&&(t.type=r),t}):t;class k{constructor(e){if(!(e instanceof c.InputTrack))throw TypeError("track must be an InputTrack.");this._track=e}getFirstPacket(e={}){if(p(e),this._track.input._disposed)throw new(0,l.InputDisposedError);return g(this._track,this._track._backing.getFirstPacket(e),e)}getPacket(e,t={}){if(f(e),p(t),this._track.input._disposed)throw new(0,l.InputDisposedError);return g(this._track,this._track._backing.getPacket(e,t),t)}getNextPacket(e,t={}){if(!(e instanceof u.EncodedPacket))throw TypeError("packet must be an EncodedPacket.");if(p(t),this._track.input._disposed)throw new(0,l.InputDisposedError);return g(this._track,this._track._backing.getNextPacket(e,t),t)}async getKeyPacket(e,t={}){if(f(e),p(t),this._track.input._disposed)throw new(0,l.InputDisposedError);if(!t.verifyKeyPackets)return this._track._backing.getKeyPacket(e,t);let r=await this._track._backing.getKeyPacket(e,t);return r&&((0,d.assert)("key"===r.type),"delta"===await this._track.determinePacketType(r))?this.getKeyPacket(r.timestamp-1/this._track.timeResolution,t):r}async getNextKeyPacket(e,t={}){if(!(e instanceof u.EncodedPacket))throw TypeError("packet must be an EncodedPacket.");if(p(t),this._track.input._disposed)throw new(0,l.InputDisposedError);if(!t.verifyKeyPackets)return this._track._backing.getNextKeyPacket(e,t);let r=await this._track._backing.getNextKeyPacket(e,t);return r&&((0,d.assert)("key"===r.type),"delta"===await this._track.determinePacketType(r))?this.getNextKeyPacket(r,t):r}packets(e,t,r={}){if(void 0!==e&&!(e instanceof u.EncodedPacket))throw TypeError("startPacket must be an EncodedPacket.");if(void 0!==e&&e.isMetadataOnly&&!r?.metadataOnly)throw TypeError("startPacket can only be metadata-only if options.metadataOnly is enabled.");if(void 0!==t&&!(t instanceof u.EncodedPacket))throw TypeError("endPacket must be an EncodedPacket.");if(p(r),this._track.input._disposed)throw new(0,l.InputDisposedError);let a=[],{promise:i,resolve:s}=(0,d.promiseWithResolvers)(),{promise:n,resolve:o}=(0,d.promiseWithResolvers)(),c=!1,h=!1,m=null,f=[],g=()=>Math.max(2,f.length);(async()=>{let l=e??await this.getFirstPacket(r);for(;l&&!h&&!this._track.input._disposed&&!(t&&l.sequenceNumber>=t?.sequenceNumber);){if(a.length>g()){({promise:n,resolve:o}=(0,d.promiseWithResolvers)()),await n;continue}a.push(l),s(),({promise:i,resolve:s}=(0,d.promiseWithResolvers)()),l=await this.getNextPacket(l,r)}c=!0,s()})().catch(e=>{m||(m=e,s())});let k=this._track;return{async next(){for(;;)if(k.input._disposed)throw new(0,l.InputDisposedError);else if(h)return{value:void 0,done:!0};else if(m)throw m;else if(a.length>0){let e=a.shift(),t=performance.now();for(f.push(t);f.length>0&&t-f[0]>=1e3;)f.shift();return o(),{value:e,done:!1}}else{if(c)return{value:void 0,done:!0};await i}},return:async()=>(h=!0,o(),s(),{value:void 0,done:!0}),async throw(e){throw e},[Symbol.asyncIterator](){return this}}}}class b{constructor(e,t){this.onSample=e,this.onError=t}}class y{mediaSamplesInRange(e=0,t=1/0){f(e),f(t);let r=[],a=!1,i=null,{promise:s,resolve:n}=(0,d.promiseWithResolvers)(),{promise:o,resolve:c}=(0,d.promiseWithResolvers)(),u=!1,h=!1,m=!1,p=null;(async()=>{let l=await this._createDecoder(o=>{(c(),o.timestamp>=t&&(h=!0),h)?o.close():(i&&(o.timestamp>e?(r.push(i),a=!0):i.close()),o.timestamp>=e&&(r.push(o),a=!0),i=a?null:o,r.length>0&&(n(),{promise:s,resolve:n}=(0,d.promiseWithResolvers)()))},e=>{p||(p=e,n())}),f=this._createPacketSink(),g=await f.getKeyPacket(e,{verifyKeyPackets:!0})??await f.getFirstPacket(),k=g,b=f.packets(g??void 0,void 0);for(await b.next();k&&!h&&!this._track.input._disposed;){let e=S(r.length);if(r.length+l.getDecodeQueueSize()>e){({promise:o,resolve:c}=(0,d.promiseWithResolvers)()),await o;continue}l.decode(k);let t=await b.next();if(t.done)break;k=t.value}await b.return(),m||this._track.input._disposed||await l.flush(),l.close(),!a&&i&&r.push(i),u=!0,n()})().catch(e=>{p||(p=e,n())});let g=this._track,k=()=>{for(let e of(i?.close(),r))e.close()};return{async next(){for(;;)if(g.input._disposed)throw k(),new(0,l.InputDisposedError);else if(m)return{value:void 0,done:!0};else if(p)throw k(),p;else if(r.length>0){let e=r.shift();return c(),{value:e,done:!1}}else{if(u)return{value:void 0,done:!0};await s}},return:async()=>(m=!0,h=!0,c(),n(),k(),{value:void 0,done:!0}),async throw(e){throw e},[Symbol.asyncIterator](){return this}}}mediaSamplesAtTimestamps(e){(0,d.validateAnyIterable)(e);let t=(0,d.toAsyncIterator)(e),r=[],a=[],{promise:i,resolve:s}=(0,d.promiseWithResolvers)(),{promise:n,resolve:o}=(0,d.promiseWithResolvers)(),c=!1,u=!1,h=null,m=e=>{a.push(e),s(),{promise:i,resolve:s}=(0,d.promiseWithResolvers)()};(async()=>{let e=await this._createDecoder(e=>{if(o(),u)return void e.close();let t=0;for(;r.length>0&&e.timestamp-r[0]>-1e-10;)t++,r.shift();if(t>0)for(let r=0;r<t;r++)m(r<t-1?e.clone():e);else e.close()},e=>{h||(h=e,s())}),i=this._createPacketSink(),l=null,p=null,g=-1,k=async()=>{(0,d.assert)(p);let t=p;for(e.decode(t);t.sequenceNumber<g;){let r=S(a.length);for(;a.length+e.getDecodeQueueSize()>r&&!u;)({promise:n,resolve:o}=(0,d.promiseWithResolvers)()),await n;if(u)break;let s=await i.getNextPacket(t);(0,d.assert)(s),e.decode(s),t=s}g=-1},b=async()=>{await e.flush();for(let e=0;e<r.length;e++)m(null);r.length=0};for await(let e of t){if(f(e),u||this._track.input._disposed)break;let t=await i.getPacket(e),a=t&&await i.getKeyPacket(e,{verifyKeyPackets:!0});if(!a){-1!==g&&(await k(),await b()),m(null),l=null;continue}l&&(a.sequenceNumber!==p.sequenceNumber||t.timestamp<l.timestamp)&&(await k(),await b()),r.push(t.timestamp),g=Math.max(t.sequenceNumber,g),l=t,p=a}u||this._track.input._disposed||(-1!==g&&await k(),await b()),e.close(),c=!0,s()})().catch(e=>{h||(h=e,s())});let p=this._track,g=()=>{for(let e of a)e?.close()};return{async next(){for(;;)if(p.input._disposed)throw g(),new(0,l.InputDisposedError);else if(u)return{value:void 0,done:!0};else if(h)throw g(),h;else if(a.length>0){let e=a.shift();return(0,d.assert)(void 0!==e),o(),{value:e,done:!1}}else{if(c)return{value:void 0,done:!0};await i}},return:async()=>(u=!0,o(),s(),g(),{value:void 0,done:!0}),async throw(e){throw e},[Symbol.asyncIterator](){return this}}}}let S=e=>0===e?40:8;class T extends b{constructor(e,t,r,a,i,s){super(e,t),this.codec=r,this.decoderConfig=a,this.rotation=i,this.timeResolution=s,this.decoder=null,this.customDecoder=null,this.customDecoderCallSerializer=new(0,d.CallSerializer),this.customDecoderQueueSize=0,this.inputTimestamps=[],this.sampleQueue=[],this.currentPacketIndex=0,this.raslSkipped=!1,this.alphaDecoder=null,this.alphaHadKeyframe=!1,this.colorQueue=[],this.alphaQueue=[],this.merger=null,this.mergerCreationFailed=!1,this.decodedAlphaChunkCount=0,this.alphaDecoderQueueSize=0,this.nullAlphaFrameQueue=[],this.currentAlphaPacketIndex=0,this.alphaRaslSkipped=!1;let l=o.customVideoDecoders.find(e=>e.supports(r,a));if(l)this.customDecoder=new l,this.customDecoder.codec=r,this.customDecoder.config=a,this.customDecoder.onSample=e=>{if(!(e instanceof m.VideoSample))throw TypeError("The argument passed to onSample must be a VideoSample.");this.finalizeAndEmitSample(e)},this.customDecoderCallSerializer.call(()=>this.customDecoder.init());else{let e=e=>{if(this.alphaQueue.length>0){let t=this.alphaQueue.shift();(0,d.assert)(void 0!==t),this.mergeAlpha(e,t)}else this.colorQueue.push(e)};if("avc"===r&&this.decoderConfig.description&&(0,d.isChromium)()){let e=(0,n.deserializeAvcDecoderConfigurationRecord)((0,d.toUint8Array)(this.decoderConfig.description));if(e&&e.sequenceParameterSets.length>0){let t=(0,n.parseAvcSps)(e.sequenceParameterSets[0]);t&&0===t.frameMbsOnlyFlag&&(this.decoderConfig={...this.decoderConfig,hardwareAcceleration:"prefer-software"})}}let t=Error("Decoding error").stack;this.decoder=new VideoDecoder({output:t=>{try{e(t)}catch(e){this.onError(e)}},error:e=>{e.stack=t,this.onError(e)}}),this.decoder.configure(this.decoderConfig)}}getDecodeQueueSize(){return this.customDecoder?this.customDecoderQueueSize:((0,d.assert)(this.decoder),Math.max(this.decoder.decodeQueueSize,this.alphaDecoder?.decodeQueueSize??0))}decode(e){if("hevc"===this.codec&&this.currentPacketIndex>0&&!this.raslSkipped){if(this.hasHevcRaslPicture(e.data))return;this.raslSkipped=!0}if(this.customDecoder)this.customDecoderQueueSize++,this.customDecoderCallSerializer.call(()=>this.customDecoder.decode(e)).then(()=>this.customDecoderQueueSize--);else{if((0,d.assert)(this.decoder),(0,d.isWebKit)()||(0,d.insertSorted)(this.inputTimestamps,e.timestamp,e=>e),(0,d.isChromium)()&&0===this.currentPacketIndex&&"avc"===this.codec){let t=[];for(let r of(0,n.iterateAvcNalUnits)(e.data,this.decoderConfig)){let a=(0,n.extractNalUnitTypeForAvc)(e.data[r.offset]);a>=20&&a<=31||t.push(e.data.subarray(r.offset,r.offset+r.length))}let r=(0,n.concatAvcNalUnits)(t,this.decoderConfig);e=new(0,u.EncodedPacket)(r,e.type,e.timestamp,e.duration)}this.decoder.decode(e.toEncodedVideoChunk()),this.decodeAlphaData(e)}this.currentPacketIndex++}decodeAlphaData(e){if(!e.sideData.alpha||this.mergerCreationFailed)return void this.pushNullAlphaFrame();if(!this.merger)try{this.merger=new I}catch(t){console.error("Due to an error, only color data will be decoded.",t),this.mergerCreationFailed=!0,this.decodeAlphaData(e);return}if(!this.alphaDecoder){let e=e=>{if(this.alphaDecoderQueueSize--,this.colorQueue.length>0){let t=this.colorQueue.shift();(0,d.assert)(void 0!==t),this.mergeAlpha(t,e)}else this.alphaQueue.push(e);for(this.decodedAlphaChunkCount++;this.nullAlphaFrameQueue.length>0&&this.nullAlphaFrameQueue[0]===this.decodedAlphaChunkCount;)if(this.nullAlphaFrameQueue.shift(),this.colorQueue.length>0){let e=this.colorQueue.shift();(0,d.assert)(void 0!==e),this.mergeAlpha(e,null)}else this.alphaQueue.push(null)},t=Error("Decoding error").stack;this.alphaDecoder=new VideoDecoder({output:t=>{try{e(t)}catch(e){this.onError(e)}},error:e=>{e.stack=t,this.onError(e)}}),this.alphaDecoder.configure(this.decoderConfig)}let t=(0,n.determineVideoPacketType)(this.codec,this.decoderConfig,e.sideData.alpha);if(this.alphaHadKeyframe||(this.alphaHadKeyframe="key"===t),this.alphaHadKeyframe){if("hevc"===this.codec&&this.currentAlphaPacketIndex>0&&!this.alphaRaslSkipped){if(this.hasHevcRaslPicture(e.sideData.alpha))return void this.pushNullAlphaFrame();this.alphaRaslSkipped=!0}this.currentAlphaPacketIndex++,this.alphaDecoder.decode(e.alphaToEncodedVideoChunk(t??e.type)),this.alphaDecoderQueueSize++}else this.pushNullAlphaFrame()}pushNullAlphaFrame(){0===this.alphaDecoderQueueSize?this.alphaQueue.push(null):this.nullAlphaFrameQueue.push(this.decodedAlphaChunkCount+this.alphaDecoderQueueSize)}hasHevcRaslPicture(e){for(let t of(0,n.iterateHevcNalUnits)(e,this.decoderConfig)){let r=(0,n.extractNalUnitTypeForHevc)(e[t.offset]);if(r===n.HevcNalUnitType.RASL_N||r===n.HevcNalUnitType.RASL_R)return!0}return!1}sampleHandler(e){if((0,d.isWebKit)()){if(this.sampleQueue.length>0&&e.timestamp>=(0,d.last)(this.sampleQueue).timestamp){for(let e of this.sampleQueue)this.finalizeAndEmitSample(e);this.sampleQueue.length=0}(0,d.insertSorted)(this.sampleQueue,e,e=>e.timestamp)}else{let t=this.inputTimestamps.shift();(0,d.assert)(void 0!==t),e.setTimestamp(t),this.finalizeAndEmitSample(e)}}finalizeAndEmitSample(e){e.setTimestamp(Math.round(e.timestamp*this.timeResolution)/this.timeResolution),e.setDuration(Math.round(e.duration*this.timeResolution)/this.timeResolution),e.setRotation(this.rotation),this.onSample(e)}mergeAlpha(e,t){if(!t){let t=new(0,m.VideoSample)(e);this.sampleHandler(t);return}(0,d.assert)(this.merger),this.merger.update(e,t),e.close(),t.close();let r=new VideoFrame(this.merger.canvas,{timestamp:e.timestamp,duration:e.duration??void 0}),a=new(0,m.VideoSample)(r);this.sampleHandler(a)}async flush(){if(this.customDecoder?await this.customDecoderCallSerializer.call(()=>this.customDecoder.flush()):((0,d.assert)(this.decoder),await Promise.all([this.decoder.flush(),this.alphaDecoder?.flush()]),this.colorQueue.forEach(e=>e.close()),this.colorQueue.length=0,this.alphaQueue.forEach(e=>e?.close()),this.alphaQueue.length=0,this.alphaHadKeyframe=!1,this.decodedAlphaChunkCount=0,this.alphaDecoderQueueSize=0,this.nullAlphaFrameQueue.length=0,this.currentAlphaPacketIndex=0,this.alphaRaslSkipped=!1),(0,d.isWebKit)()){for(let e of this.sampleQueue)this.finalizeAndEmitSample(e);this.sampleQueue.length=0}this.currentPacketIndex=0,this.raslSkipped=!1}close(){for(let e of(this.customDecoder?this.customDecoderCallSerializer.call(()=>this.customDecoder.close()):((0,d.assert)(this.decoder),this.decoder.close(),this.alphaDecoder?.close(),this.colorQueue.forEach(e=>e.close()),this.colorQueue.length=0,this.alphaQueue.forEach(e=>e?.close()),this.alphaQueue.length=0,this.merger?.close()),this.sampleQueue))e.close();this.sampleQueue.length=0}}class I{constructor(){"u">typeof OffscreenCanvas?this.canvas=new OffscreenCanvas(300,150):this.canvas=document.createElement("canvas");let e=this.canvas.getContext("webgl2",{premultipliedAlpha:!1});if(!e)throw Error("Couldn't acquire WebGL 2 context.");this.gl=e,this.program=this.createProgram(),this.vao=this.createVAO(),this.colorTexture=this.createTexture(),this.alphaTexture=this.createTexture(),this.gl.useProgram(this.program),this.gl.uniform1i(this.gl.getUniformLocation(this.program,"u_colorTexture"),0),this.gl.uniform1i(this.gl.getUniformLocation(this.program,"u_alphaTexture"),1)}createProgram(){let e=this.createShader(this.gl.VERTEX_SHADER,`#version 300 es in vec2 a_position; in vec2 a_texCoord; out vec2 v_texCoord; void main() { gl_Position = vec4(a_position, 0.0, 1.0); v_texCoord = a_texCoord; } `),t=this.createShader(this.gl.FRAGMENT_SHADER,`#version 300 es precision highp float; uniform sampler2D u_colorTexture; uniform sampler2D u_alphaTexture; in vec2 v_texCoord; out vec4 fragColor; void main() { vec3 color = texture(u_colorTexture, v_texCoord).rgb; float alpha = texture(u_alphaTexture, v_texCoord).r; fragColor = vec4(color, alpha); } `),r=this.gl.createProgram();return this.gl.attachShader(r,e),this.gl.attachShader(r,t),this.gl.linkProgram(r),r}createShader(e,t){let r=this.gl.createShader(e);return this.gl.shaderSource(r,t),this.gl.compileShader(r),r}createVAO(){let e=this.gl.createVertexArray();this.gl.bindVertexArray(e);let t=new Float32Array([-1,-1,0,1,1,-1,1,1,-1,1,0,0,1,1,1,0]),r=this.gl.createBuffer();this.gl.bindBuffer(this.gl.ARRAY_BUFFER,r),this.gl.bufferData(this.gl.ARRAY_BUFFER,t,this.gl.STATIC_DRAW);let a=this.gl.getAttribLocation(this.program,"a_position"),i=this.gl.getAttribLocation(this.program,"a_texCoord");return this.gl.enableVertexAttribArray(a),this.gl.vertexAttribPointer(a,2,this.gl.FLOAT,!1,16,0),this.gl.enableVertexAttribArray(i),this.gl.vertexAttribPointer(i,2,this.gl.FLOAT,!1,16,8),e}createTexture(){let e=this.gl.createTexture();return this.gl.bindTexture(this.gl.TEXTURE_2D,e),this.gl.texParameteri(this.gl.TEXTURE_2D,this.gl.TEXTURE_WRAP_S,this.gl.CLAMP_TO_EDGE),this.gl.texParameteri(this.gl.TEXTURE_2D,this.gl.TEXTURE_WRAP_T,this.gl.CLAMP_TO_EDGE),this.gl.texParameteri(this.gl.TEXTURE_2D,this.gl.TEXTURE_MIN_FILTER,this.gl.LINEAR),this.gl.texParameteri(this.gl.TEXTURE_2D,this.gl.TEXTURE_MAG_FILTER,this.gl.LINEAR),e}update(e,t){(e.displayWidth!==this.canvas.width||e.displayHeight!==this.canvas.height)&&(this.canvas.width=e.displayWidth,this.canvas.height=e.displayHeight),this.gl.activeTexture(this.gl.TEXTURE0),this.gl.bindTexture(this.gl.TEXTURE_2D,this.colorTexture),this.gl.texImage2D(this.gl.TEXTURE_2D,0,this.gl.RGBA,this.gl.RGBA,this.gl.UNSIGNED_BYTE,e),this.gl.activeTexture(this.gl.TEXTURE1),this.gl.bindTexture(this.gl.TEXTURE_2D,this.alphaTexture),this.gl.texImage2D(this.gl.TEXTURE_2D,0,this.gl.RGBA,this.gl.RGBA,this.gl.UNSIGNED_BYTE,t),this.gl.viewport(0,0,this.canvas.width,this.canvas.height),this.gl.clear(this.gl.COLOR_BUFFER_BIT),this.gl.bindVertexArray(this.vao),this.gl.drawArrays(this.gl.TRIANGLE_STRIP,0,4)}close(){this.gl.getExtension("WEBGL_lose_context")?.loseContext(),this.gl=null}}class w extends y{constructor(e){if(!(e instanceof c.InputVideoTrack))throw TypeError("videoTrack must be an InputVideoTrack.");super(),this._track=e}async _createDecoder(e,t){if(!await this._track.canDecode())throw Error("This video track cannot be decoded by this browser. Make sure to check decodability before using a track.");let r=this._track.codec,a=this._track.rotation,i=await this._track.getDecoderConfig(),s=this._track.timeResolution;return(0,d.assert)(r&&i),new T(e,t,r,i,a,s)}_createPacketSink(){return new k(this._track)}async getSample(e){for await(let t of(f(e),this.mediaSamplesAtTimestamps([e])))return t;throw Error("Internal error: Iterator returned nothing.")}samples(e=0,t=1/0){return this.mediaSamplesInRange(e,t)}samplesAtTimestamps(e){return this.mediaSamplesAtTimestamps(e)}}class x{constructor(e,t={}){if(this._nextCanvasIndex=0,!(e instanceof c.InputVideoTrack))throw TypeError("videoTrack must be an InputVideoTrack.");if(t&&"object"!=typeof t)throw TypeError("options must be an object.");if(void 0!==t.alpha&&"boolean"!=typeof t.alpha)throw TypeError("options.alpha, when provided, must be a boolean.");if(void 0!==t.width&&(!Number.isInteger(t.width)||t.width<=0))throw TypeError("options.width, when defined, must be a positive integer.");if(void 0!==t.height&&(!Number.isInteger(t.height)||t.height<=0))throw TypeError("options.height, when defined, must be a positive integer.");if(void 0!==t.fit&&!["fill","contain","cover"].includes(t.fit))throw TypeError('options.fit, when provided, must be one of "fill", "contain", or "cover".');if(void 0!==t.width&&void 0!==t.height&&void 0===t.fit)throw TypeError("When both options.width and options.height are provided, options.fit must also be provided.");if(void 0!==t.rotation&&![0,90,180,270].includes(t.rotation))throw TypeError("options.rotation, when provided, must be 0, 90, 180 or 270.");if(void 0!==t.crop&&(0,m.validateCropRectangle)(t.crop,"options."),void 0!==t.poolSize&&("number"!=typeof t.poolSize||!Number.isInteger(t.poolSize)||t.poolSize<0))throw TypeError("poolSize must be a non-negative integer.");let r=t.rotation??e.rotation,[a,i]=r%180==0?[e.codedWidth,e.codedHeight]:[e.codedHeight,e.codedWidth],s=t.crop;s&&(0,m.clampCropRectangle)(s,a,i);let[n,o]=s?[s.width,s.height]:[a,i],l=n/o;void 0!==t.width&&void 0===t.height?o=Math.round((n=t.width)/l):void 0===t.width&&void 0!==t.height?n=Math.round((o=t.height)*l):void 0!==t.width&&void 0!==t.height&&(n=t.width,o=t.height),this._videoTrack=e,this._alpha=t.alpha??!1,this._width=n,this._height=o,this._rotation=r,this._crop=s,this._fit=t.fit??"fill",this._videoSampleSink=new w(e),this._canvasPool=Array.from({length:t.poolSize??0},()=>null)}_videoSampleToWrappedCanvas(e){let t=this._canvasPool[this._nextCanvasIndex],r=!1;t||("u">typeof document?((t=document.createElement("canvas")).width=this._width,t.height=this._height):t=new OffscreenCanvas(this._width,this._height),this._canvasPool.length>0&&(this._canvasPool[this._nextCanvasIndex]=t),r=!0),this._canvasPool.length>0&&(this._nextCanvasIndex=(this._nextCanvasIndex+1)%this._canvasPool.length);let a=t.getContext("2d",{alpha:this._alpha||(0,d.isFirefox)()});(0,d.assert)(a),a.resetTransform(),r||(!this._alpha&&(0,d.isFirefox)()?(a.fillStyle="black",a.fillRect(0,0,this._width,this._height)):a.clearRect(0,0,this._width,this._height)),e.drawWithFit(a,{fit:this._fit,rotation:this._rotation,crop:this._crop});let i={canvas:t,timestamp:e.timestamp,duration:e.duration};return e.close(),i}async getCanvas(e){f(e);let t=await this._videoSampleSink.getSample(e);return t&&this._videoSampleToWrappedCanvas(t)}canvases(e=0,t=1/0){return(0,d.mapAsyncGenerator)(this._videoSampleSink.samples(e,t),e=>this._videoSampleToWrappedCanvas(e))}canvasesAtTimestamps(e){return(0,d.mapAsyncGenerator)(this._videoSampleSink.samplesAtTimestamps(e),e=>e&&this._videoSampleToWrappedCanvas(e))}}class E extends b{constructor(e,t,r,a){super(e,t),this.decoder=null,this.customDecoder=null,this.customDecoderCallSerializer=new(0,d.CallSerializer),this.customDecoderQueueSize=0,this.currentTimestamp=null;let i=t=>{(null===this.currentTimestamp||Math.abs(t.timestamp-this.currentTimestamp)>=t.duration)&&(this.currentTimestamp=t.timestamp);let r=this.currentTimestamp;if(this.currentTimestamp+=t.duration,0===t.numberOfFrames)return void t.close();let i=a.sampleRate;t.setTimestamp(Math.round(r*i)/i),e(t)},s=o.customAudioDecoders.find(e=>e.supports(r,a));if(s)this.customDecoder=new s,this.customDecoder.codec=r,this.customDecoder.config=a,this.customDecoder.onSample=e=>{if(!(e instanceof m.AudioSample))throw TypeError("The argument passed to onSample must be an AudioSample.");i(e)},this.customDecoderCallSerializer.call(()=>this.customDecoder.init());else{let e=Error("Decoding error").stack;this.decoder=new AudioDecoder({output:e=>{try{i(new(0,m.AudioSample)(e))}catch(e){this.onError(e)}},error:t=>{t.stack=e,this.onError(t)}}),this.decoder.configure(a)}}getDecodeQueueSize(){return this.customDecoder?this.customDecoderQueueSize:((0,d.assert)(this.decoder),this.decoder.decodeQueueSize)}decode(e){this.customDecoder?(this.customDecoderQueueSize++,this.customDecoderCallSerializer.call(()=>this.customDecoder.decode(e)).then(()=>this.customDecoderQueueSize--)):((0,d.assert)(this.decoder),this.decoder.decode(e.toEncodedAudioChunk()))}flush(){return this.customDecoder?this.customDecoderCallSerializer.call(()=>this.customDecoder.flush()):((0,d.assert)(this.decoder),this.decoder.flush())}close(){this.customDecoder?this.customDecoderCallSerializer.call(()=>this.customDecoder.close()):((0,d.assert)(this.decoder),this.decoder.close())}}class P extends b{constructor(e,t,r){super(e,t),this.decoderConfig=r,this.currentTimestamp=null,(0,d.assert)(s.PCM_AUDIO_CODECS.includes(r.codec)),this.codec=r.codec;let{dataType:a,sampleSize:i,littleEndian:n}=(0,s.parsePcmCodec)(this.codec);switch(this.inputSampleSize=i,i){case 1:"unsigned"===a?this.readInputValue=(e,t)=>e.getUint8(t)-128:"signed"===a?this.readInputValue=(e,t)=>e.getInt8(t):"ulaw"===a?this.readInputValue=(e,t)=>(0,h.fromUlaw)(e.getUint8(t)):"alaw"===a?this.readInputValue=(e,t)=>(0,h.fromAlaw)(e.getUint8(t)):(0,d.assert)(!1);break;case 2:"unsigned"===a?this.readInputValue=(e,t)=>e.getUint16(t,n)-32768:"signed"===a?this.readInputValue=(e,t)=>e.getInt16(t,n):(0,d.assert)(!1);break;case 3:"unsigned"===a?this.readInputValue=(e,t)=>(0,d.getUint24)(e,t,n)-8388608:"signed"===a?this.readInputValue=(e,t)=>(0,d.getInt24)(e,t,n):(0,d.assert)(!1);break;case 4:"unsigned"===a?this.readInputValue=(e,t)=>e.getUint32(t,n)-0x80000000:"signed"===a?this.readInputValue=(e,t)=>e.getInt32(t,n):"float"===a?this.readInputValue=(e,t)=>e.getFloat32(t,n):(0,d.assert)(!1);break;case 8:"float"===a?this.readInputValue=(e,t)=>e.getFloat64(t,n):(0,d.assert)(!1);break;default:(0,d.assertNever)(i),(0,d.assert)(!1)}switch(i){case 1:"ulaw"===a||"alaw"===a?(this.outputSampleSize=2,this.outputFormat="s16",this.writeOutputValue=(e,t,r)=>e.setInt16(t,r,!0)):(this.outputSampleSize=1,this.outputFormat="u8",this.writeOutputValue=(e,t,r)=>e.setUint8(t,r+128));break;case 2:this.outputSampleSize=2,this.outputFormat="s16",this.writeOutputValue=(e,t,r)=>e.setInt16(t,r,!0);break;case 3:this.outputSampleSize=4,this.outputFormat="s32",this.writeOutputValue=(e,t,r)=>e.setInt32(t,r<<8,!0);break;case 4:this.outputSampleSize=4,"float"===a?(this.outputFormat="f32",this.writeOutputValue=(e,t,r)=>e.setFloat32(t,r,!0)):(this.outputFormat="s32",this.writeOutputValue=(e,t,r)=>e.setInt32(t,r,!0));break;case 8:this.outputSampleSize=4,this.outputFormat="f32",this.writeOutputValue=(e,t,r)=>e.setFloat32(t,r,!0);break;default:(0,d.assertNever)(i),(0,d.assert)(!1)}}getDecodeQueueSize(){return 0}decode(e){let t=(0,d.toDataView)(e.data),r=e.byteLength/this.decoderConfig.numberOfChannels/this.inputSampleSize,a=new ArrayBuffer(r*this.decoderConfig.numberOfChannels*this.outputSampleSize),i=new DataView(a);for(let e=0;e<r*this.decoderConfig.numberOfChannels;e++){let r=e*this.inputSampleSize,a=e*this.outputSampleSize,s=this.readInputValue(t,r);this.writeOutputValue(i,a,s)}let s=r/this.decoderConfig.sampleRate;(null===this.currentTimestamp||Math.abs(e.timestamp-this.currentTimestamp)>=s)&&(this.currentTimestamp=e.timestamp);let n=this.currentTimestamp;this.currentTimestamp+=s;let o=new(0,m.AudioSample)({format:this.outputFormat,data:a,numberOfChannels:this.decoderConfig.numberOfChannels,sampleRate:this.decoderConfig.sampleRate,numberOfFrames:r,timestamp:n});this.onSample(o)}async flush(){}close(){}}class v extends y{constructor(e){if(!(e instanceof c.InputAudioTrack))throw TypeError("audioTrack must be an InputAudioTrack.");super(),this._track=e}async _createDecoder(e,t){if(!await this._track.canDecode())throw Error("This audio track cannot be decoded by this browser. Make sure to check decodability before using a track.");let r=this._track.codec,a=await this._track.getDecoderConfig();return((0,d.assert)(r&&a),s.PCM_AUDIO_CODECS.includes(a.codec))?new P(e,t,a):new E(e,t,r,a)}_createPacketSink(){return new k(this._track)}async getSample(e){for await(let t of(f(e),this.mediaSamplesAtTimestamps([e])))return t;throw Error("Internal error: Iterator returned nothing.")}samples(e=0,t=1/0){return this.mediaSamplesInRange(e,t)}samplesAtTimestamps(e){return this.mediaSamplesAtTimestamps(e)}}class C{constructor(e){if(!(e instanceof c.InputAudioTrack))throw TypeError("audioTrack must be an InputAudioTrack.");this._audioSampleSink=new v(e)}_audioSampleToWrappedArrayBuffer(e){let t={buffer:e.toAudioBuffer(),timestamp:e.timestamp,duration:e.duration};return e.close(),t}async getBuffer(e){f(e);let t=await this._audioSampleSink.getSample(e);return t&&this._audioSampleToWrappedArrayBuffer(t)}buffers(e=0,t=1/0){return(0,d.mapAsyncGenerator)(this._audioSampleSink.samples(e,t),e=>this._audioSampleToWrappedArrayBuffer(e))}buffersAtTimestamps(e){return(0,d.mapAsyncGenerator)(this._audioSampleSink.samplesAtTimestamps(e),e=>e&&this._audioSampleToWrappedArrayBuffer(e))}}},{"./codec.js":"4GUiq","./codec-data.js":"zx4dz","./custom-coder.js":"57K5K","./input.js":"6K6yf","./input-track.js":"aU0uf","./misc.js":"jrq2g","./packet.js":"8dQhf","./pcm.js":"3X3Vq","./sample.js":"1yEK7","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],"6K6yf":[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"Input",()=>c),i.export(r,"InputDisposedError",()=>d);var s=e("./input-format.js"),n=e("./misc.js"),o=e("./reader.js"),l=e("./source.js");(0,n.polyfillSymbolDispose)();class c{get disposed(){return this._disposed}constructor(e){if(this._demuxerPromise=null,this._format=null,this._disposed=!1,!e||"object"!=typeof e)throw TypeError("options must be an object.");if(!Array.isArray(e.formats)||e.formats.some(e=>!(e instanceof s.InputFormat)))throw TypeError("options.formats must be an array of InputFormat.");if(!(e.source instanceof l.Source))throw TypeError("options.source must be a Source.");if(e.source._disposed)throw Error("options.source must not be disposed.");this._formats=e.formats,this._source=e.source,this._reader=new(0,o.Reader)(e.source)}_getDemuxer(){return this._demuxerPromise??=(async()=>{for(let e of(this._reader.fileSize=await this._source.getSizeOrNull(),this._formats))if(await e._canReadInput(this))return this._format=e,e._createDemuxer(this);throw Error("Input has an unsupported or unrecognizable format.")})()}get source(){return this._source}async getFormat(){return await this._getDemuxer(),(0,n.assert)(this._format),this._format}async computeDuration(){return(await this._getDemuxer()).computeDuration()}async getFirstTimestamp(){let e=await this.getTracks();return 0===e.length?0:Math.min(...await Promise.all(e.map(e=>e.getFirstTimestamp())))}async getTracks(){return(await this._getDemuxer()).getTracks()}async getVideoTracks(){return(await this.getTracks()).filter(e=>e.isVideoTrack())}async getAudioTracks(){return(await this.getTracks()).filter(e=>e.isAudioTrack())}async getPrimaryVideoTrack(){return(await this.getTracks()).find(e=>e.isVideoTrack())??null}async getPrimaryAudioTrack(){return(await this.getTracks()).find(e=>e.isAudioTrack())??null}async getMimeType(){return(await this._getDemuxer()).getMimeType()}async getMetadataTags(){return(await this._getDemuxer()).getMetadataTags()}dispose(){this._disposed||(this._disposed=!0,this._source._disposed=!0,this._source._dispose())}[Symbol.dispose](){this.dispose()}}class d extends Error{constructor(e="Input has been disposed."){super(e),this.name="InputDisposedError"}}},{"./input-format.js":"gFGfd","./misc.js":"jrq2g","./reader.js":"6AkKg","./source.js":"108pa","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],"6AkKg":[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"Reader",()=>o),i.export(r,"FileSlice",()=>l),i.export(r,"readBytes",()=>d),i.export(r,"readU8",()=>u),i.export(r,"readU16",()=>h),i.export(r,"readU16Be",()=>m),i.export(r,"readU24Be",()=>p),i.export(r,"readI16Be",()=>f),i.export(r,"readU32",()=>g),i.export(r,"readU32Be",()=>k),i.export(r,"readU32Le",()=>b),i.export(r,"readI32Be",()=>y),i.export(r,"readI32Le",()=>S),i.export(r,"readU64",()=>T),i.export(r,"readU64Be",()=>I),i.export(r,"readI64Be",()=>w),i.export(r,"readI64Le",()=>x),i.export(r,"readF32Be",()=>E),i.export(r,"readF64Be",()=>P),i.export(r,"readAscii",()=>v);var s=e("./input.js"),n=e("./misc.js");class o{constructor(e){this.source=e}requestSlice(e,t){if(this.source._disposed)throw new(0,s.InputDisposedError);if(e<0||null!==this.fileSize&&e+t>this.fileSize)return null;let r=e+t,a=this.source._read(e,r);return a instanceof Promise?a.then(t=>t?new l(t.bytes,t.view,t.offset,e,r):null):a?new l(a.bytes,a.view,a.offset,e,r):null}requestSliceRange(e,t,r){if(this.source._disposed)throw new(0,s.InputDisposedError);if(e<0)return null;if(null!==this.fileSize)return this.requestSlice(e,(0,n.clamp)(this.fileSize-e,t,r));{let a=this.requestSlice(e,r),i=a=>{if(a)return a;let i=a=>((0,n.assert)(null!==a),this.requestSlice(e,(0,n.clamp)(a-e,t,r))),s=this.source._retrieveSize();return s instanceof Promise?s.then(i):i(s)};return a instanceof Promise?a.then(i):i(a)}}}class l{constructor(e,t,r,a,i){this.bytes=e,this.view=t,this.offset=r,this.start=a,this.end=i,this.bufferPos=a-r}static tempFromBytes(e){return new l(e,(0,n.toDataView)(e),0,0,e.length)}get length(){return this.end-this.start}get filePos(){return this.offset+this.bufferPos}set filePos(e){this.bufferPos=e-this.offset}get remainingLength(){return Math.max(this.end-this.filePos,0)}skip(e){this.bufferPos+=e}slice(e,t=this.end-e){if(e<this.start||e+t>this.end)throw RangeError("Slicing outside of original slice.");return new l(this.bytes,this.view,this.offset,e,e+t)}}let c=(e,t)=>{if(e.filePos<e.start||e.filePos+t>e.end)throw RangeError(`Tried reading [${e.filePos}, ${e.filePos+t}), but slice is [${e.start}, ${e.end}). This is likely an internal error, please report it alongside the file that caused it.`)},d=(e,t)=>{c(e,t);let r=e.bytes.subarray(e.bufferPos,e.bufferPos+t);return e.bufferPos+=t,r},u=e=>(c(e,1),e.view.getUint8(e.bufferPos++)),h=(e,t)=>{c(e,2);let r=e.view.getUint16(e.bufferPos,t);return e.bufferPos+=2,r},m=e=>{c(e,2);let t=e.view.getUint16(e.bufferPos,!1);return e.bufferPos+=2,t},p=e=>{c(e,3);let t=(0,n.getUint24)(e.view,e.bufferPos,!1);return e.bufferPos+=3,t},f=e=>{c(e,2);let t=e.view.getInt16(e.bufferPos,!1);return e.bufferPos+=2,t},g=(e,t)=>{c(e,4);let r=e.view.getUint32(e.bufferPos,t);return e.bufferPos+=4,r},k=e=>{c(e,4);let t=e.view.getUint32(e.bufferPos,!1);return e.bufferPos+=4,t},b=e=>{c(e,4);let t=e.view.getUint32(e.bufferPos,!0);return e.bufferPos+=4,t},y=e=>{c(e,4);let t=e.view.getInt32(e.bufferPos,!1);return e.bufferPos+=4,t},S=e=>{c(e,4);let t=e.view.getInt32(e.bufferPos,!0);return e.bufferPos+=4,t},T=(e,t)=>{let r,a;return t?(r=g(e,!0),a=g(e,!0)):(a=g(e,!1),r=g(e,!1)),0x100000000*a+r},I=e=>0x100000000*k(e)+k(e),w=e=>0x100000000*y(e)+k(e),x=e=>{let t=b(e);return 0x100000000*S(e)+t},E=e=>{c(e,4);let t=e.view.getFloat32(e.bufferPos,!1);return e.bufferPos+=4,t},P=e=>{c(e,8);let t=e.view.getFloat64(e.bufferPos,!1);return e.bufferPos+=8,t},v=(e,t)=>{c(e,t);let r="";for(let a=0;a<t;a++)r+=String.fromCharCode(e.bytes[e.bufferPos++]);return r}},{"./input.js":"6K6yf","./misc.js":"jrq2g","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],"108pa":[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"Source",()=>c),i.export(r,"BufferSource",()=>d),i.export(r,"BlobSource",()=>u),i.export(r,"UrlSource",()=>m),i.export(r,"FilePathSource",()=>p),i.export(r,"StreamSource",()=>f),i.export(r,"ReadableStreamSource",()=>g);var s=e("./misc.js"),n=e("./node.js"),o=e("./input.js");let l=void 0!==n?n:void 0;class c{constructor(){this._disposed=!1,this._sizePromise=null,this.onread=null}async getSizeOrNull(){if(this._disposed)throw new(0,o.InputDisposedError);return this._sizePromise??=Promise.resolve(this._retrieveSize())}async getSize(){if(this._disposed)throw new(0,o.InputDisposedError);let e=await this.getSizeOrNull();if(null===e)throw Error("Cannot determine the size of an unsized source.");return e}}class d extends c{constructor(e){if(!(e instanceof ArrayBuffer)&&!("u">typeof SharedArrayBuffer&&e instanceof SharedArrayBuffer)&&!ArrayBuffer.isView(e))throw TypeError("buffer must be an ArrayBuffer, SharedArrayBuffer, or ArrayBufferView.");super(),this._onreadCalled=!1,this._bytes=(0,s.toUint8Array)(e),this._view=(0,s.toDataView)(e)}_retrieveSize(){return this._bytes.byteLength}_read(){return this._onreadCalled||(this.onread?.(0,this._bytes.byteLength),this._onreadCalled=!0),{bytes:this._bytes,view:this._view,offset:0}}_dispose(){}}class u extends c{constructor(e,t={}){if(!(e instanceof Blob))throw TypeError("blob must be a Blob.");if(!t||"object"!=typeof t)throw TypeError("options must be an object.");if(void 0!==t.maxCacheSize&&(!(0,s.isNumber)(t.maxCacheSize)||t.maxCacheSize<0))throw TypeError("options.maxCacheSize, when provided, must be a non-negative number.");super(),this._readers=new WeakMap,this._blob=e,this._orchestrator=new b({maxCacheSize:t.maxCacheSize??8388608,maxWorkerCount:4,runWorker:this._runWorker.bind(this),prefetchProfile:k.fileSystem})}_retrieveSize(){let e=this._blob.size;return this._orchestrator.fileSize=e,e}_read(e,t){return this._orchestrator.read(e,t)}async _runWorker(e){let t=this._readers.get(e);for(void 0===t&&(t=("stream"in this._blob)&&!(0,s.isWebKit)()?this._blob.slice(e.currentPos).stream().getReader():null,this._readers.set(e,t));e.currentPos<e.targetPos&&!e.aborted;)if(t){let{done:r,value:a}=await t.read();if(r)throw this._orchestrator.forgetWorker(e),Error("Blob reader stopped unexpectedly before all requested data was read.");if(e.aborted)break;this.onread?.(e.currentPos,e.currentPos+a.length),this._orchestrator.supplyWorkerData(e,a)}else{let t=await this._blob.slice(e.currentPos,e.targetPos).arrayBuffer();if(e.aborted)break;this.onread?.(e.currentPos,e.currentPos+t.byteLength),this._orchestrator.supplyWorkerData(e,new Uint8Array(t))}e.running=!1,e.aborted&&await t?.cancel()}_dispose(){this._orchestrator.dispose()}}let h=(e,t,r)=>{if(t instanceof Error&&(t.message.includes("Failed to fetch")||t.message.includes("Load failed")||t.message.includes("NetworkError when attempting to fetch resource"))){let e=null;try{"u">typeof window&&void 0!==window.location&&(e=new URL(r instanceof Request?r.url:r,window.location.href).origin)}catch{}if(("u"<typeof navigator||"boolean"!=typeof navigator.onLine||navigator.onLine)&&null!==e&&e!==window.location.origin)return console.warn("Request will not be retried because a CORS error was suspected due to different origins. You can modify this behavior by providing your own function for the 'getRetryDelay' option."),null}return Math.min(2**(e-2),16)};class m extends c{constructor(e,t={}){if("string"!=typeof e&&!(e instanceof URL)&&!("u">typeof Request&&e instanceof Request))throw TypeError("url must be a string, URL or Request.");if(!t||"object"!=typeof t)throw TypeError("options must be an object.");if(void 0!==t.requestInit&&(!t.requestInit||"object"!=typeof t.requestInit))throw TypeError("options.requestInit, when provided, must be an object.");if(void 0!==t.getRetryDelay&&"function"!=typeof t.getRetryDelay)throw TypeError("options.getRetryDelay, when provided, must be a function.");if(void 0!==t.maxCacheSize&&(!(0,s.isNumber)(t.maxCacheSize)||t.maxCacheSize<0))throw TypeError("options.maxCacheSize, when provided, must be a non-negative number.");if(void 0!==t.parallelism&&(!Number.isInteger(t.parallelism)||t.parallelism<1))throw TypeError("options.parallelism, when provided, must be a positive number.");if(void 0!==t.fetchFn&&"function"!=typeof t.fetchFn)throw TypeError("options.fetchFn, when provided, must be a function.");super(),this._existingResponses=new WeakMap,this._url=e,this._options=t,this._getRetryDelay=t.getRetryDelay??h,this._orchestrator=new b({maxCacheSize:t.maxCacheSize??0x4000000,maxWorkerCount:t.parallelism??2,runWorker:this._runWorker.bind(this),prefetchProfile:k.network})}async _retrieveSize(){let e,t,r=new AbortController,a=await (0,s.retriedFetch)(this._options.fetchFn??fetch,this._url,(0,s.mergeRequestInit)(this._options.requestInit??{},{headers:{Range:"bytes=0-"},signal:r.signal}),this._getRetryDelay,()=>this._disposed);if(!a.ok)throw Error(`Error fetching ${String(this._url)}: ${a.status} ${a.statusText}`);if(206===a.status)t=this._getTotalLengthFromRangeResponse(a),e=this._orchestrator.createWorker(0,Math.min(t,524288));else{let r=a.headers.get("Content-Length");if(r)t=Number(r),e=this._orchestrator.createWorker(0,t),this._orchestrator.options.maxCacheSize=1/0,console.warn("HTTP server did not respond with 206 Partial Content, meaning the entire remote resource now has to be downloaded. For efficient media file streaming across a network, please make sure your server supports range requests.");else throw Error(`HTTP response (status ${a.status}) must surface Content-Length header.`)}return this._orchestrator.fileSize=t,this._existingResponses.set(e,{response:a,abortController:r}),this._orchestrator.runWorker(e),t}_read(e,t){return this._orchestrator.read(e,t)}async _runWorker(e){for(;;){let t=this._existingResponses.get(e);this._existingResponses.delete(e);let r=t?.abortController,a=t?.response;if(r||(r=new AbortController,a=await (0,s.retriedFetch)(this._options.fetchFn??fetch,this._url,(0,s.mergeRequestInit)(this._options.requestInit??{},{headers:{Range:`bytes=${e.currentPos}-`},signal:r.signal}),this._getRetryDelay,()=>this._disposed)),(0,s.assert)(a),!a.ok)throw Error(`Error fetching ${String(this._url)}: ${a.status} ${a.statusText}`);if(e.currentPos>0&&206!==a.status)throw Error("HTTP server did not respond with 206 Partial Content to a range request. To enable efficient media file streaming across a network, please make sure your server supports range requests.");if(!a.body)throw Error("Missing HTTP response body stream. The used fetch function must provide the response body as a ReadableStream.");let i=a.body.getReader();for(;;){let t;if(e.currentPos>=e.targetPos||e.aborted){r.abort(),e.running=!1;return}try{t=await i.read()}catch(t){if(this._disposed)throw t;let e=this._getRetryDelay(1,t,this._url);if(null!==e){console.error("Error while reading response stream. Attempting to resume.",t),await new Promise(t=>setTimeout(t,1e3*e));break}throw t}if(e.aborted)continue;let{done:a,value:s}=t;if(a){if(e.currentPos>=e.targetPos){this._orchestrator.forgetWorker(e),e.running=!1;return}break}this.onread?.(e.currentPos,e.currentPos+s.length),this._orchestrator.supplyWorkerData(e,s)}}}_getTotalLengthFromRangeResponse(e){let t=e.headers.get("Content-Range");if(t){let e=/\/(\d+)/.exec(t);if(e)return Number(e[1])}let r=e.headers.get("Content-Length");if(r)return Number(r);throw Error("Partial HTTP response (status 206) must surface either Content-Range or Content-Length header.")}_dispose(){this._orchestrator.dispose()}}class p extends c{constructor(e,t={}){if("string"!=typeof e)throw TypeError("filePath must be a string.");if(!t||"object"!=typeof t)throw TypeError("options must be an object.");if(void 0!==t.maxCacheSize&&(!(0,s.isNumber)(t.maxCacheSize)||t.maxCacheSize<0))throw TypeError("options.maxCacheSize, when provided, must be a non-negative number.");super(),this._fileHandle=null,this._streamSource=new f({getSize:async()=>(this._fileHandle=await l.fs.open(e,"r"),(await this._fileHandle.stat()).size),read:async(e,t)=>{(0,s.assert)(this._fileHandle);let r=new Uint8Array(t-e);return await this._fileHandle.read(r,0,t-e,e),r},maxCacheSize:t.maxCacheSize,prefetchProfile:"fileSystem"})}_read(e,t){return this._streamSource._read(e,t)}_retrieveSize(){return this._streamSource._retrieveSize()}_dispose(){this._streamSource._dispose(),this._fileHandle?.close(),this._fileHandle=null}}class f extends c{constructor(e){if(!e||"object"!=typeof e)throw TypeError("options must be an object.");if("function"!=typeof e.getSize)throw TypeError("options.getSize must be a function.");if("function"!=typeof e.read)throw TypeError("options.read must be a function.");if(void 0!==e.dispose&&"function"!=typeof e.dispose)throw TypeError("options.dispose, when provided, must be a function.");if(void 0!==e.maxCacheSize&&(!(0,s.isNumber)(e.maxCacheSize)||e.maxCacheSize<0))throw TypeError("options.maxCacheSize, when provided, must be a non-negative number.");if(e.prefetchProfile&&!["none","fileSystem","network"].includes(e.prefetchProfile))throw TypeError("options.prefetchProfile, when provided, must be one of 'none', 'fileSystem' or 'network'.");super(),this._options=e,this._orchestrator=new b({maxCacheSize:e.maxCacheSize??8388608,maxWorkerCount:2,prefetchProfile:k[e.prefetchProfile??"none"],runWorker:this._runWorker.bind(this)})}_retrieveSize(){let e=this._options.getSize();if(e instanceof Promise)return e.then(e=>{if(!Number.isInteger(e)||e<0)throw TypeError("options.getSize must return or resolve to a non-negative integer.");return this._orchestrator.fileSize=e,e});if(!Number.isInteger(e)||e<0)throw TypeError("options.getSize must return or resolve to a non-negative integer.");return this._orchestrator.fileSize=e,e}_read(e,t){return this._orchestrator.read(e,t)}async _runWorker(e){for(;e.currentPos<e.targetPos&&!e.aborted;){let t=e.currentPos,r=e.targetPos,a=this._options.read(e.currentPos,r);if(a instanceof Promise&&(a=await a),e.aborted)break;if(a instanceof Uint8Array){if((a=(0,s.toUint8Array)(a)).length!==r-e.currentPos)throw Error(`options.read returned a Uint8Array with unexpected length: Requested ${r-e.currentPos} bytes, but got ${a.length}.`);this.onread?.(e.currentPos,e.currentPos+a.length),this._orchestrator.supplyWorkerData(e,a)}else if(a instanceof ReadableStream){let i=a.getReader();for(;e.currentPos<r&&!e.aborted;){let{done:a,value:n}=await i.read();if(a){if(e.currentPos<r)throw Error(`ReadableStream returned by options.read ended before supplying enough data. Requested ${r-t} bytes, but got ${e.currentPos-t}`);break}if(!(n instanceof Uint8Array))throw TypeError("ReadableStream returned by options.read must yield Uint8Array chunks.");if(e.aborted)break;let o=(0,s.toUint8Array)(n);this.onread?.(e.currentPos,e.currentPos+o.length),this._orchestrator.supplyWorkerData(e,o)}}else throw TypeError("options.read must return or resolve to a Uint8Array or a ReadableStream.")}e.running=!1}_dispose(){this._orchestrator.dispose(),this._options.dispose?.()}}class g extends c{constructor(e,t={}){if(!(e instanceof ReadableStream))throw TypeError("stream must be a ReadableStream.");if(!t||"object"!=typeof t)throw TypeError("options must be an object.");if(void 0!==t.maxCacheSize&&(!(0,s.isNumber)(t.maxCacheSize)||t.maxCacheSize<0))throw TypeError("options.maxCacheSize, when provided, must be a non-negative number.");super(),this._reader=null,this._cache=[],this._pendingSlices=[],this._currentIndex=0,this._targetIndex=0,this._maxRequestedIndex=0,this._endIndex=null,this._pulling=!1,this._stream=e,this._maxCacheSize=t.maxCacheSize??0x1000000}_retrieveSize(){return this._endIndex}_read(e,t){if(null!==this._endIndex&&t>this._endIndex)return null;this._maxRequestedIndex=Math.max(this._maxRequestedIndex,t);let r=(0,s.binarySearchLessOrEqual)(this._cache,e,e=>e.start),a=-1!==r?this._cache[r]:null;if(a&&a.start<=e&&t<=a.end)return{bytes:a.bytes,view:a.view,offset:a.start};let i=e,n=new Uint8Array(t-e);if(-1!==r)for(let a=r;a<this._cache.length;a++){let r=this._cache[a];if(r.start>=t)break;let s=Math.max(e,r.start);s>i&&this._throwDueToCacheMiss();let o=Math.min(t,r.end);s<o&&(n.set(r.bytes.subarray(s-r.start,o-r.start),s-e),i=o)}if(i===t)return{bytes:n,view:(0,s.toDataView)(n),offset:e};this._currentIndex>i&&this._throwDueToCacheMiss();let{promise:o,resolve:l,reject:c}=(0,s.promiseWithResolvers)();return this._pendingSlices.push({start:e,end:t,bytes:n,resolve:l,reject:c}),this._targetIndex=Math.max(this._targetIndex,t),this._pulling||(this._pulling=!0,this._pull().catch(e=>{if(this._pulling=!1,this._pendingSlices.length>0)this._pendingSlices.forEach(t=>t.reject(e)),this._pendingSlices.length=0;else throw e})),o}_throwDueToCacheMiss(){throw Error("Read is before the cached region. With ReadableStreamSource, you must access the data more sequentially or increase the size of its cache.")}async _pull(){for(this._reader??=this._stream.getReader();this._currentIndex<this._targetIndex&&!this._disposed;){let{done:e,value:t}=await this._reader.read();if(e){for(let e of this._pendingSlices)e.resolve(null);this._pendingSlices.length=0,this._endIndex=this._currentIndex;break}let r=this._currentIndex,a=this._currentIndex+t.byteLength;for(let e=0;e<this._pendingSlices.length;e++){let i=this._pendingSlices[e],n=Math.max(r,i.start),o=Math.min(a,i.end);n<o&&(i.bytes.set(t.subarray(n-r,o-r),n-i.start),o===i.end&&(i.resolve({bytes:i.bytes,view:(0,s.toDataView)(i.bytes),offset:i.start}),this._pendingSlices.splice(e,1),e--))}for(this._cache.push({start:r,end:a,bytes:t,view:(0,s.toDataView)(t),age:0});this._cache.length>0;){let e=this._cache[0];if(this._maxRequestedIndex-e.end<=this._maxCacheSize)break;this._cache.shift()}this._currentIndex+=t.byteLength}this._pulling=!1}_dispose(){this._pendingSlices.length=0,this._cache.length=0}}let k={none:(e,t)=>({start:e,end:t}),fileSystem:(e,t)=>({start:e=65536*Math.floor((e-65536)/65536),end:t=65536*Math.ceil((t+65536)/65536)}),network:(e,t,r)=>{for(let a of(e=Math.max(0,65536*Math.floor((e-65536)/65536)),r)){let r=Math.max((a.startPos+a.targetPos)/2,a.targetPos-8388608);if((0,s.closedIntervalsOverlap)(e,t,r,a.targetPos)){let e=a.targetPos-a.startPos,r=8388608*Math.ceil((e+1)/8388608),i=Math.min(2**Math.ceil(Math.log2(e+1)),r);t=Math.max(t,a.startPos+i)}}return t=Math.max(t,e+524288),{start:e,end:t}}};class b{constructor(e){this.options=e,this.fileSize=null,this.nextAge=0,this.workers=[],this.cache=[],this.currentCacheSize=0,this.disposed=!1}read(e,t){(0,s.assert)(null!==this.fileSize);let r=this.options.prefetchProfile(e,t,this.workers),a=Math.max(r.start,0),i=Math.min(r.end,this.fileSize);(0,s.assert)(a<=e&&t<=i);let n=null,o=(0,s.binarySearchLessOrEqual)(this.cache,e,e=>e.start),l=-1!==o?this.cache[o]:null;l&&l.start<=e&&t<=l.end&&(l.age=this.nextAge++,n={bytes:l.bytes,view:l.view,offset:l.start});let c=(0,s.binarySearchLessOrEqual)(this.cache,a,e=>e.start),d=n?null:new Uint8Array(t-e),u=0,h=a,m=[];if(-1!==c){for(let r=c;r<this.cache.length;r++){let n=this.cache[r];if(n.start>=i)break;if(n.end<=a)continue;let o=Math.max(a,n.start),l=Math.min(i,n.end);if((0,s.assert)(o<=l),h<o&&m.push({start:h,end:o}),h=l,d){let r=Math.max(e,n.start),a=Math.min(t,n.end);if(r<a){let t=r-e;d.set(n.bytes.subarray(r-n.start,a-n.start),t),t===u&&(u=a-e)}}n.age=this.nextAge++}h<i&&m.push({start:h,end:i})}else m.push({start:a,end:i});if(d&&u>=d.length&&(n={bytes:d,view:(0,s.toDataView)(d),offset:e}),0===m.length)return(0,s.assert)(n),n;let{promise:p,resolve:f,reject:g}=(0,s.promiseWithResolvers)(),k=[];for(let r of m){let a=Math.max(e,r.start),i=Math.min(t,r.end);a===r.start&&i===r.end?k.push(r):a<i&&k.push({start:a,end:i})}for(let t of m){let r=d&&{start:e,bytes:d,holes:k,resolve:f,reject:g},a=!1;for(let e of this.workers)if((0,s.closedIntervalsOverlap)(t.start-131072,t.start,e.currentPos,e.targetPos)){e.targetPos=Math.max(e.targetPos,t.end),a=!0,r&&!e.pendingSlices.includes(r)&&e.pendingSlices.push(r),e.running||this.runWorker(e);break}if(!a){let e=this.createWorker(t.start,t.end);r&&(e.pendingSlices=[r]),this.runWorker(e)}}return n||((0,s.assert)(d),n=p.then(t=>({bytes:t,view:(0,s.toDataView)(t),offset:e}))),n}createWorker(e,t){let r={startPos:e,currentPos:e,targetPos:t,running:!1,aborted:this.disposed,pendingSlices:[],age:this.nextAge++};for(this.workers.push(r);this.workers.length>this.options.maxWorkerCount;){let e=0,t=this.workers[0];for(let r=1;r<this.workers.length;r++){let a=this.workers[r];a.age<t.age&&(e=r,t=a)}if(t.running&&t.pendingSlices.length>0)break;t.aborted=!0,this.workers.splice(e,1)}return r}runWorker(e){(0,s.assert)(!e.running),(0,s.assert)(e.currentPos<e.targetPos),e.running=!0,e.age=this.nextAge++,this.options.runWorker(e).catch(t=>{if(e.running=!1,e.pendingSlices.length>0)e.pendingSlices.forEach(e=>e.reject(t)),e.pendingSlices.length=0;else throw t})}supplyWorkerData(e,t){(0,s.assert)(!e.aborted);let r=e.currentPos,a=r+t.length;this.insertIntoCache({start:r,end:a,bytes:t,view:(0,s.toDataView)(t),age:this.nextAge++}),e.currentPos+=t.length,e.targetPos=Math.max(e.targetPos,e.currentPos);for(let i=0;i<e.pendingSlices.length;i++){let s=e.pendingSlices[i],n=Math.max(r,s.start),o=Math.min(a,s.start+s.bytes.length);n<o&&s.bytes.set(t.subarray(n-r,o-r),n-s.start);for(let e=0;e<s.holes.length;e++){let t=s.holes[e];r<=t.start&&a>t.start&&(t.start=a),t.end<=t.start&&(s.holes.splice(e,1),e--)}0===s.holes.length&&(s.resolve(s.bytes),e.pendingSlices.splice(i,1),i--)}for(let t=0;t<this.workers.length;t++){let i=this.workers[t];e!==i&&!i.running&&(0,s.closedIntervalsOverlap)(r,a,i.currentPos,i.targetPos)&&(this.workers.splice(t,1),t--)}}forgetWorker(e){let t=this.workers.indexOf(e);(0,s.assert)(-1!==t),this.workers.splice(t,1)}insertIntoCache(e){if(0===this.options.maxCacheSize)return;let t=(0,s.binarySearchLessOrEqual)(this.cache,e.start,e=>e.start)+1;if(t>0){let r=this.cache[t-1];if(r.end>=e.end)return;if(r.end>e.start){let a=new Uint8Array(e.end-r.start);a.set(r.bytes,0),a.set(e.bytes,e.start-r.start),this.currentCacheSize+=e.end-r.end,r.bytes=a,r.view=(0,s.toDataView)(a),r.end=e.end,t--,e=r}else this.cache.splice(t,0,e),this.currentCacheSize+=e.bytes.length}else this.cache.splice(t,0,e),this.currentCacheSize+=e.bytes.length;for(let r=t+1;r<this.cache.length;r++){let t=this.cache[r];if(e.end<=t.start)break;if(e.end>=t.end){this.cache.splice(r,1),this.currentCacheSize-=t.bytes.length,r--;continue}let a=new Uint8Array(t.end-e.start);a.set(e.bytes,0),a.set(t.bytes,t.start-e.start),this.currentCacheSize-=e.end-t.start,e.bytes=a,e.view=(0,s.toDataView)(a),e.end=t.end,this.cache.splice(r,1);break}for(;this.currentCacheSize>this.options.maxCacheSize;){let e=0,t=this.cache[0];for(let r=1;r<this.cache.length;r++){let a=this.cache[r];a.age<t.age&&(e=r,t=a)}if(this.currentCacheSize-t.bytes.length<=this.options.maxCacheSize)break;this.cache.splice(e,1),this.currentCacheSize-=t.bytes.length}}dispose(){for(let e of this.workers)e.aborted=!0;this.workers.length=0,this.cache.length=0,this.disposed=!0}}},{"./misc.js":"jrq2g","./node.js":"1arHq","./input.js":"6K6yf","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],"1arHq":[function(e,t,r,a){},{}],"8dQhf":[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"PLACEHOLDER_DATA",()=>n),i.export(r,"EncodedPacket",()=>o);var s=e("./misc.js");let n=new Uint8Array(0);class o{constructor(e,t,r,a,i=-1,s,o){if(this.data=e,this.type=t,this.timestamp=r,this.duration=a,this.sequenceNumber=i,e===n&&void 0===s)throw Error("Internal error: byteLength must be explicitly provided when constructing metadata-only packets.");if(void 0===s&&(s=e.byteLength),!(e instanceof Uint8Array))throw TypeError("data must be a Uint8Array.");if("key"!==t&&"delta"!==t)throw TypeError('type must be either "key" or "delta".');if(!Number.isFinite(r))throw TypeError("timestamp must be a number.");if(!Number.isFinite(a)||a<0)throw TypeError("duration must be a non-negative number.");if(!Number.isFinite(i))throw TypeError("sequenceNumber must be a number.");if(!Number.isInteger(s)||s<0)throw TypeError("byteLength must be a non-negative integer.");if(void 0!==o&&("object"!=typeof o||!o))throw TypeError("sideData, when provided, must be an object.");if(o?.alpha!==void 0&&!(o.alpha instanceof Uint8Array))throw TypeError("sideData.alpha, when provided, must be a Uint8Array.");if(o?.alphaByteLength!==void 0&&(!Number.isInteger(o.alphaByteLength)||o.alphaByteLength<0))throw TypeError("sideData.alphaByteLength, when provided, must be a non-negative integer.");this.byteLength=s,this.sideData=o??{},this.sideData.alpha&&void 0===this.sideData.alphaByteLength&&(this.sideData.alphaByteLength=this.sideData.alpha.byteLength)}get isMetadataOnly(){return this.data===n}get microsecondTimestamp(){return Math.trunc(s.SECOND_TO_MICROSECOND_FACTOR*this.timestamp)}get microsecondDuration(){return Math.trunc(s.SECOND_TO_MICROSECOND_FACTOR*this.duration)}toEncodedVideoChunk(){if(this.isMetadataOnly)throw TypeError("Metadata-only packets cannot be converted to a video chunk.");if("u"<typeof EncodedVideoChunk)throw Error("Your browser does not support EncodedVideoChunk.");return new EncodedVideoChunk({data:this.data,type:this.type,timestamp:this.microsecondTimestamp,duration:this.microsecondDuration})}alphaToEncodedVideoChunk(e=this.type){if(!this.sideData.alpha)throw TypeError("This packet does not contain alpha side data.");if(this.isMetadataOnly)throw TypeError("Metadata-only packets cannot be converted to a video chunk.");if("u"<typeof EncodedVideoChunk)throw Error("Your browser does not support EncodedVideoChunk.");return new EncodedVideoChunk({data:this.sideData.alpha,type:e,timestamp:this.microsecondTimestamp,duration:this.microsecondDuration})}toEncodedAudioChunk(){if(this.isMetadataOnly)throw TypeError("Metadata-only packets cannot be converted to an audio chunk.");if("u"<typeof EncodedAudioChunk)throw Error("Your browser does not support EncodedAudioChunk.");return new EncodedAudioChunk({data:this.data,type:this.type,timestamp:this.microsecondTimestamp,duration:this.microsecondDuration})}static fromEncodedChunk(e,t){if(!(e instanceof EncodedVideoChunk||e instanceof EncodedAudioChunk))throw TypeError("chunk must be an EncodedVideoChunk or EncodedAudioChunk.");let r=new Uint8Array(e.byteLength);return e.copyTo(r),new o(r,e.type,e.timestamp/1e6,(e.duration??0)/1e6,void 0,void 0,t)}clone(e){if(void 0!==e&&("object"!=typeof e||null===e))throw TypeError("options, when provided, must be an object.");if(e?.data!==void 0&&!(e.data instanceof Uint8Array))throw TypeError("options.data, when provided, must be a Uint8Array.");if(e?.type!==void 0&&"key"!==e.type&&"delta"!==e.type)throw TypeError('options.type, when provided, must be either "key" or "delta".');if(e?.timestamp!==void 0&&!Number.isFinite(e.timestamp))throw TypeError("options.timestamp, when provided, must be a number.");if(e?.duration!==void 0&&!Number.isFinite(e.duration))throw TypeError("options.duration, when provided, must be a number.");if(e?.sequenceNumber!==void 0&&!Number.isFinite(e.sequenceNumber))throw TypeError("options.sequenceNumber, when provided, must be a number.");if(e?.sideData!==void 0&&("object"!=typeof e.sideData||null===e.sideData))throw TypeError("options.sideData, when provided, must be an object.");return new o(e?.data??this.data,e?.type??this.type,e?.timestamp??this.timestamp,e?.duration??this.duration,e?.sequenceNumber??this.sequenceNumber,this.byteLength,e?.sideData??this.sideData)}}},{"./misc.js":"jrq2g","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],"3X3Vq":[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"toUlaw",()=>s),i.export(r,"fromUlaw",()=>n),i.export(r,"toAlaw",()=>o),i.export(r,"fromAlaw",()=>l);let s=e=>{let t=e,r=4096,a=0,i=12,s=0;for(t<0&&(t=-t,a=128),(t+=33)>8191&&(t=8191);(t&r)!==r&&i>=5;)r>>=1,i--;return s=t>>i-4&15,255&~(a|i-5<<4|s)},n=e=>{let t=0,r=0,a=~e;128&a&&(a&=-129,t=-1);let i=(1<<(r=((240&a)>>4)+5)|(15&a)<<r-4|1<<r-5)-33;return 0===t?i:-i},o=e=>{let t=2048,r=0,a=11,i=0,s=e;for(s<0&&(s=-s,r=128),s>4095&&(s=4095);(s&t)!==t&&a>=5;)t>>=1,a--;return i=s>>(4===a?1:a-4)&15,(r|a-4<<4|i)^85},l=e=>{let t=0,r=0,a=85^e;128&a&&(a&=-129,t=-1);let i=0;return i=4!=(r=((240&a)>>4)+4)?1<<r|(15&a)<<r-4|1<<r-5:a<<1|1,0===t?i:-i}},{"@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],"1yEK7":[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"VIDEO_SAMPLE_PIXEL_FORMATS",()=>c),i.export(r,"VideoSample",()=>u),i.export(r,"VideoSampleColorSpace",()=>h),i.export(r,"clampCropRectangle",()=>p),i.export(r,"validateCropRectangle",()=>f),i.export(r,"AudioSample",()=>S);var s=e("./misc.js");(0,s.polyfillSymbolDispose)();let n=-1/0,o=-1/0,l=null;"u">typeof FinalizationRegistry&&(l=new FinalizationRegistry(e=>{let t=Date.now();"video"===e.type?(t-n>=1e3&&(console.error("A VideoSample was garbage collected without first being closed. For proper resource management, make sure to call close() on all your VideoSamples as soon as you're done using them."),n=t),"u">typeof VideoFrame&&e.data instanceof VideoFrame&&e.data.close()):(t-o>=1e3&&(console.error("An AudioSample was garbage collected without first being closed. For proper resource management, make sure to call close() on all your AudioSamples as soon as you're done using them."),o=t),"u">typeof AudioData&&e.data instanceof AudioData&&e.data.close())}));let c=["I420","I420P10","I420P12","I420A","I420AP10","I420AP12","I422","I422P10","I422P12","I422A","I422AP10","I422AP12","I444","I444P10","I444P12","I444A","I444AP10","I444AP12","NV12","RGBA","RGBX","BGRA","BGRX"],d=new Set(c);class u{get displayWidth(){return this.rotation%180==0?this.codedWidth:this.codedHeight}get displayHeight(){return this.rotation%180==0?this.codedHeight:this.codedWidth}get microsecondTimestamp(){return Math.trunc(s.SECOND_TO_MICROSECOND_FACTOR*this.timestamp)}get microsecondDuration(){return Math.trunc(s.SECOND_TO_MICROSECOND_FACTOR*this.duration)}get hasAlpha(){return this.format&&this.format.includes("A")}constructor(e,t){if(this._closed=!1,e instanceof ArrayBuffer||"u">typeof SharedArrayBuffer&&e instanceof SharedArrayBuffer||ArrayBuffer.isView(e)){if(!t||"object"!=typeof t)throw TypeError("init must be an object.");if(void 0===t.format||!d.has(t.format))throw TypeError("init.format must be one of: "+c.join(", "));if(!Number.isInteger(t.codedWidth)||t.codedWidth<=0)throw TypeError("init.codedWidth must be a positive integer.");if(!Number.isInteger(t.codedHeight)||t.codedHeight<=0)throw TypeError("init.codedHeight must be a positive integer.");if(void 0!==t.rotation&&![0,90,180,270].includes(t.rotation))throw TypeError("init.rotation, when provided, must be 0, 90, 180, or 270.");if(!Number.isFinite(t.timestamp))throw TypeError("init.timestamp must be a number.");if(void 0!==t.duration&&(!Number.isFinite(t.duration)||t.duration<0))throw TypeError("init.duration, when provided, must be a non-negative number.");this._data=(0,s.toUint8Array)(e).slice(),this._layout=t.layout??k(t.format,t.codedWidth,t.codedHeight),this.format=t.format,this.codedWidth=t.codedWidth,this.codedHeight=t.codedHeight,this.rotation=t.rotation??0,this.timestamp=t.timestamp,this.duration=t.duration??0,this.colorSpace=new h(t.colorSpace)}else if("u">typeof VideoFrame&&e instanceof VideoFrame){if(t?.rotation!==void 0&&![0,90,180,270].includes(t.rotation))throw TypeError("init.rotation, when provided, must be 0, 90, 180, or 270.");if(t?.timestamp!==void 0&&!Number.isFinite(t?.timestamp))throw TypeError("init.timestamp, when provided, must be a number.");if(t?.duration!==void 0&&(!Number.isFinite(t.duration)||t.duration<0))throw TypeError("init.duration, when provided, must be a non-negative number.");this._data=e,this._layout=null,this.format=e.format,this.codedWidth=e.displayWidth,this.codedHeight=e.displayHeight,this.rotation=t?.rotation??0,this.timestamp=t?.timestamp??e.timestamp/1e6,this.duration=t?.duration??(e.duration??0)/1e6,this.colorSpace=new h(e.colorSpace)}else if("u">typeof HTMLImageElement&&e instanceof HTMLImageElement||"u">typeof SVGImageElement&&e instanceof SVGImageElement||"u">typeof ImageBitmap&&e instanceof ImageBitmap||"u">typeof HTMLVideoElement&&e instanceof HTMLVideoElement||"u">typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"u">typeof OffscreenCanvas&&e instanceof OffscreenCanvas){if(!t||"object"!=typeof t)throw TypeError("init must be an object.");if(void 0!==t.rotation&&![0,90,180,270].includes(t.rotation))throw TypeError("init.rotation, when provided, must be 0, 90, 180, or 270.");if(!Number.isFinite(t.timestamp))throw TypeError("init.timestamp must be a number.");if(void 0!==t.duration&&(!Number.isFinite(t.duration)||t.duration<0))throw TypeError("init.duration, when provided, must be a non-negative number.");if("u">typeof VideoFrame)return new u(new VideoFrame(e,{timestamp:Math.trunc(t.timestamp*s.SECOND_TO_MICROSECOND_FACTOR),duration:Math.trunc((t.duration??0)*s.SECOND_TO_MICROSECOND_FACTOR)||void 0}),t);let r=0,a=0;if("naturalWidth"in e?(r=e.naturalWidth,a=e.naturalHeight):"videoWidth"in e?(r=e.videoWidth,a=e.videoHeight):"width"in e&&(r=Number(e.width),a=Number(e.height)),!r||!a)throw TypeError("Could not determine dimensions.");let i=new OffscreenCanvas(r,a),n=i.getContext("2d",{alpha:(0,s.isFirefox)(),willReadFrequently:!0});(0,s.assert)(n),n.drawImage(e,0,0),this._data=i,this._layout=null,this.format="RGBX",this.codedWidth=r,this.codedHeight=a,this.rotation=t.rotation??0,this.timestamp=t.timestamp,this.duration=t.duration??0,this.colorSpace=new h({matrix:"rgb",primaries:"bt709",transfer:"iec61966-2-1",fullRange:!0})}else throw TypeError("Invalid data type: Must be a BufferSource or CanvasImageSource.");l?.register(this,{type:"video",data:this._data},this)}clone(){if(this._closed)throw Error("VideoSample is closed.");return((0,s.assert)(null!==this._data),m(this._data))?new u(this._data.clone(),{timestamp:this.timestamp,duration:this.duration,rotation:this.rotation}):this._data instanceof Uint8Array?((0,s.assert)(this._layout),new u(this._data,{format:this.format,layout:this._layout,codedWidth:this.codedWidth,codedHeight:this.codedHeight,timestamp:this.timestamp,duration:this.duration,colorSpace:this.colorSpace,rotation:this.rotation})):new u(this._data,{format:this.format,codedWidth:this.codedWidth,codedHeight:this.codedHeight,timestamp:this.timestamp,duration:this.duration,colorSpace:this.colorSpace,rotation:this.rotation})}close(){this._closed||(l?.unregister(this),m(this._data)?this._data.close():this._data=null,this._closed=!0)}allocationSize(e={}){if(g(e),this._closed)throw Error("VideoSample is closed.");if(null===this.format)throw Error("Cannot get allocation size when format is null. Sorry!");if((0,s.assert)(null!==this._data),!m(this._data)&&(e.colorSpace||e.format&&e.format!==this.format||e.layout||e.rect)){let t=this.toVideoFrame(),r=t.allocationSize(e);return t.close(),r}return m(this._data)?this._data.allocationSize(e):this._data instanceof Uint8Array?this._data.byteLength:this.codedWidth*this.codedHeight*4}async copyTo(e,t={}){if(!(0,s.isAllowSharedBufferSource)(e))throw TypeError("destination must be an ArrayBuffer or an ArrayBuffer view.");if(g(t),this._closed)throw Error("VideoSample is closed.");if(null===this.format)throw Error("Cannot copy video sample data when format is null. Sorry!");if((0,s.assert)(null!==this._data),!m(this._data)&&(t.colorSpace||t.format&&t.format!==this.format||t.layout||t.rect)){let r=this.toVideoFrame(),a=await r.copyTo(e,t);return r.close(),a}if(m(this._data))return this._data.copyTo(e,t);if(this._data instanceof Uint8Array)return(0,s.assert)(this._layout),(0,s.toUint8Array)(e).set(this._data),this._layout;{let t=this._data.getContext("2d");(0,s.assert)(t);let r=t.getImageData(0,0,this.codedWidth,this.codedHeight);return(0,s.toUint8Array)(e).set(r.data),[{offset:0,stride:4*this.codedWidth}]}}toVideoFrame(){if(this._closed)throw Error("VideoSample is closed.");return((0,s.assert)(null!==this._data),m(this._data))?new VideoFrame(this._data,{timestamp:this.microsecondTimestamp,duration:this.microsecondDuration||void 0}):this._data instanceof Uint8Array?new VideoFrame(this._data,{format:this.format,codedWidth:this.codedWidth,codedHeight:this.codedHeight,timestamp:this.microsecondTimestamp,duration:this.microsecondDuration||void 0,colorSpace:this.colorSpace}):new VideoFrame(this._data,{timestamp:this.microsecondTimestamp,duration:this.microsecondDuration||void 0})}draw(e,t,r,a,i,s,n,o,l){let c=0,d=0,u=this.displayWidth,h=this.displayHeight,m=0,p=0,f=this.displayWidth,g=this.displayHeight;if(void 0!==s?(c=t,d=r,u=a,h=i,m=s,p=n,void 0!==o?(f=o,g=l):(f=u,g=h)):(m=t,p=r,void 0!==a&&(f=a,g=i)),!("u">typeof CanvasRenderingContext2D&&e instanceof CanvasRenderingContext2D||"u">typeof OffscreenCanvasRenderingContext2D&&e instanceof OffscreenCanvasRenderingContext2D))throw TypeError("context must be a CanvasRenderingContext2D or OffscreenCanvasRenderingContext2D.");if(!Number.isFinite(c))throw TypeError("sx must be a number.");if(!Number.isFinite(d))throw TypeError("sy must be a number.");if(!Number.isFinite(u)||u<0)throw TypeError("sWidth must be a non-negative number.");if(!Number.isFinite(h)||h<0)throw TypeError("sHeight must be a non-negative number.");if(!Number.isFinite(m))throw TypeError("dx must be a number.");if(!Number.isFinite(p))throw TypeError("dy must be a number.");if(!Number.isFinite(f)||f<0)throw TypeError("dWidth must be a non-negative number.");if(!Number.isFinite(g)||g<0)throw TypeError("dHeight must be a non-negative number.");if(this._closed)throw Error("VideoSample is closed.");({sx:c,sy:d,sWidth:u,sHeight:h}=this._rotateSourceRegion(c,d,u,h,this.rotation));let k=this.toCanvasImageSource();e.save();let b=m+f/2,y=p+g/2;e.translate(b,y),e.rotate(this.rotation*Math.PI/180);let S=this.rotation%180==0?1:f/g;e.scale(1/S,S),e.drawImage(k,c,d,u,h,-f/2,-g/2,f,g),e.restore()}drawWithFit(e,t){let r,a,i,s;if(!("u">typeof CanvasRenderingContext2D&&e instanceof CanvasRenderingContext2D||"u">typeof OffscreenCanvasRenderingContext2D&&e instanceof OffscreenCanvasRenderingContext2D))throw TypeError("context must be a CanvasRenderingContext2D or OffscreenCanvasRenderingContext2D.");if(!t||"object"!=typeof t)throw TypeError("options must be an object.");if(!["fill","contain","cover"].includes(t.fit))throw TypeError("options.fit must be 'fill', 'contain', or 'cover'.");if(void 0!==t.rotation&&![0,90,180,270].includes(t.rotation))throw TypeError("options.rotation, when provided, must be 0, 90, 180, or 270.");void 0!==t.crop&&f(t.crop,"options.");let n=e.canvas.width,o=e.canvas.height,l=t.rotation??this.rotation,[c,d]=l%180==0?[this.codedWidth,this.codedHeight]:[this.codedHeight,this.codedWidth];t.crop&&p(t.crop,c,d);let{sx:u,sy:h,sWidth:m,sHeight:g}=this._rotateSourceRegion(t.crop?.left??0,t.crop?.top??0,t.crop?.width??c,t.crop?.height??d,l);if("fill"===t.fit)r=0,a=0,i=n,s=o;else{let[e,l]=t.crop?[t.crop.width,t.crop.height]:[c,d],u="contain"===t.fit?Math.min(n/e,o/l):Math.max(n/e,o/l);i=e*u,s=l*u,r=(n-i)/2,a=(o-s)/2}e.save();let k=l%180==0?1:i/s;e.translate(n/2,o/2),e.rotate(l*Math.PI/180),e.scale(1/k,k),e.translate(-n/2,-o/2),e.drawImage(this.toCanvasImageSource(),u,h,m,g,r,a,i,s),e.restore()}_rotateSourceRegion(e,t,r,a,i){return 90===i?[e,t,r,a]=[t,this.codedHeight-e-r,a,r]:180===i?[e,t]=[this.codedWidth-e-r,this.codedHeight-t-a]:270===i&&([e,t,r,a]=[this.codedWidth-t-a,e,a,r]),{sx:e,sy:t,sWidth:r,sHeight:a}}toCanvasImageSource(){if(this._closed)throw Error("VideoSample is closed.");if((0,s.assert)(null!==this._data),!(this._data instanceof Uint8Array))return this._data;{let e=this.toVideoFrame();return queueMicrotask(()=>e.close()),e}}setRotation(e){if(![0,90,180,270].includes(e))throw TypeError("newRotation must be 0, 90, 180, or 270.");this.rotation=e}setTimestamp(e){if(!Number.isFinite(e))throw TypeError("newTimestamp must be a number.");this.timestamp=e}setDuration(e){if(!Number.isFinite(e)||e<0)throw TypeError("newDuration must be a non-negative number.");this.duration=e}[Symbol.dispose](){this.close()}}class h{constructor(e){this.primaries=e?.primaries??null,this.transfer=e?.transfer??null,this.matrix=e?.matrix??null,this.fullRange=e?.fullRange??null}toJSON(){return{primaries:this.primaries,transfer:this.transfer,matrix:this.matrix,fullRange:this.fullRange}}}let m=e=>"u">typeof VideoFrame&&e instanceof VideoFrame,p=(e,t,r)=>{e.left=Math.min(e.left,t),e.top=Math.min(e.top,r),e.width=Math.min(e.width,t-e.left),e.height=Math.min(e.height,r-e.top),(0,s.assert)(e.width>=0),(0,s.assert)(e.height>=0)},f=(e,t)=>{if(!e||"object"!=typeof e)throw TypeError(t+"crop, when provided, must be an object.");if(!Number.isInteger(e.left)||e.left<0)throw TypeError(t+"crop.left must be a non-negative integer.");if(!Number.isInteger(e.top)||e.top<0)throw TypeError(t+"crop.top must be a non-negative integer.");if(!Number.isInteger(e.width)||e.width<0)throw TypeError(t+"crop.width must be a non-negative integer.");if(!Number.isInteger(e.height)||e.height<0)throw TypeError(t+"crop.height must be a non-negative integer.")},g=e=>{if(!e||"object"!=typeof e)throw TypeError("options must be an object.");if(void 0!==e.colorSpace&&!["display-p3","srgb"].includes(e.colorSpace))throw TypeError("options.colorSpace, when provided, must be 'display-p3' or 'srgb'.");if(void 0!==e.format&&"string"!=typeof e.format)throw TypeError("options.format, when provided, must be a string.");if(void 0!==e.layout){if(!Array.isArray(e.layout))throw TypeError("options.layout, when provided, must be an array.");for(let t of e.layout){if(!t||"object"!=typeof t)throw TypeError("Each entry in options.layout must be an object.");if(!Number.isInteger(t.offset)||t.offset<0)throw TypeError("plane.offset must be a non-negative integer.");if(!Number.isInteger(t.stride)||t.stride<0)throw TypeError("plane.stride must be a non-negative integer.")}}if(void 0!==e.rect){if(!e.rect||"object"!=typeof e.rect)throw TypeError("options.rect, when provided, must be an object.");if(void 0!==e.rect.x&&(!Number.isInteger(e.rect.x)||e.rect.x<0))throw TypeError("options.rect.x, when provided, must be a non-negative integer.");if(void 0!==e.rect.y&&(!Number.isInteger(e.rect.y)||e.rect.y<0))throw TypeError("options.rect.y, when provided, must be a non-negative integer.");if(void 0!==e.rect.width&&(!Number.isInteger(e.rect.width)||e.rect.width<0))throw TypeError("options.rect.width, when provided, must be a non-negative integer.");if(void 0!==e.rect.height&&(!Number.isInteger(e.rect.height)||e.rect.height<0))throw TypeError("options.rect.height, when provided, must be a non-negative integer.")}},k=(e,t,r)=>{let a=b(e),i=[],s=0;for(let e of a){let a=Math.ceil(t/e.widthDivisor),n=Math.ceil(r/e.heightDivisor),o=a*e.sampleBytes,l=o*n;i.push({offset:s,stride:o}),s+=l}return i},b=e=>{let t=(e,t,r,a,i)=>{let s=[{sampleBytes:e,widthDivisor:1,heightDivisor:1},{sampleBytes:t,widthDivisor:r,heightDivisor:a},{sampleBytes:t,widthDivisor:r,heightDivisor:a}];return i&&s.push({sampleBytes:e,widthDivisor:1,heightDivisor:1}),s};switch(e){case"I420":return t(1,1,2,2,!1);case"I420P10":case"I420P12":return t(2,2,2,2,!1);case"I420A":return t(1,1,2,2,!0);case"I420AP10":case"I420AP12":return t(2,2,2,2,!0);case"I422":return t(1,1,2,1,!1);case"I422P10":case"I422P12":return t(2,2,2,1,!1);case"I422A":return t(1,1,2,1,!0);case"I422AP10":case"I422AP12":return t(2,2,2,1,!0);case"I444":return t(1,1,1,1,!1);case"I444P10":case"I444P12":return t(2,2,1,1,!1);case"I444A":return t(1,1,1,1,!0);case"I444AP10":case"I444AP12":return t(2,2,1,1,!0);case"NV12":return[{sampleBytes:1,widthDivisor:1,heightDivisor:1},{sampleBytes:2,widthDivisor:2,heightDivisor:2}];case"RGBA":case"RGBX":case"BGRA":case"BGRX":return[{sampleBytes:4,widthDivisor:1,heightDivisor:1}];default:(0,s.assertNever)(e),(0,s.assert)(!1)}},y=new Set(["f32","f32-planar","s16","s16-planar","s32","s32-planar","u8","u8-planar"]);class S{get microsecondTimestamp(){return Math.trunc(s.SECOND_TO_MICROSECOND_FACTOR*this.timestamp)}get microsecondDuration(){return Math.trunc(s.SECOND_TO_MICROSECOND_FACTOR*this.duration)}constructor(e){if(this._closed=!1,E(e)){if(null===e.format)throw TypeError("AudioData with null format is not supported.");this._data=e,this.format=e.format,this.sampleRate=e.sampleRate,this.numberOfFrames=e.numberOfFrames,this.numberOfChannels=e.numberOfChannels,this.timestamp=e.timestamp/1e6,this.duration=e.numberOfFrames/e.sampleRate}else{let t;if(!e||"object"!=typeof e)throw TypeError("Invalid AudioDataInit: must be an object.");if(!y.has(e.format))throw TypeError("Invalid AudioDataInit: invalid format.");if(!Number.isFinite(e.sampleRate)||e.sampleRate<=0)throw TypeError("Invalid AudioDataInit: sampleRate must be >0.");if(!Number.isInteger(e.numberOfChannels)||0===e.numberOfChannels)throw TypeError("Invalid AudioDataInit: numberOfChannels must be an integer > 0.");if(!Number.isFinite(e?.timestamp))throw TypeError("init.timestamp must be a number.");let r=e.data.byteLength/(T(e.format)*e.numberOfChannels);if(!Number.isInteger(r))throw TypeError("Invalid AudioDataInit: data size is not a multiple of frame size.");if(this.format=e.format,this.sampleRate=e.sampleRate,this.numberOfFrames=r,this.numberOfChannels=e.numberOfChannels,this.timestamp=e.timestamp,this.duration=r/e.sampleRate,e.data instanceof ArrayBuffer)t=new Uint8Array(e.data);else if(ArrayBuffer.isView(e.data))t=new Uint8Array(e.data.buffer,e.data.byteOffset,e.data.byteLength);else throw TypeError("Invalid AudioDataInit: data is not a BufferSource.");let a=this.numberOfFrames*this.numberOfChannels*T(this.format);if(t.byteLength<a)throw TypeError("Invalid AudioDataInit: insufficient data size.");this._data=t}l?.register(this,{type:"audio",data:this._data},this)}allocationSize(e){if(!e||"object"!=typeof e)throw TypeError("options must be an object.");if(!Number.isInteger(e.planeIndex)||e.planeIndex<0)throw TypeError("planeIndex must be a non-negative integer.");if(void 0!==e.format&&!y.has(e.format))throw TypeError("Invalid format.");if(void 0!==e.frameOffset&&(!Number.isInteger(e.frameOffset)||e.frameOffset<0))throw TypeError("frameOffset must be a non-negative integer.");if(void 0!==e.frameCount&&(!Number.isInteger(e.frameCount)||e.frameCount<0))throw TypeError("frameCount must be a non-negative integer.");if(this._closed)throw Error("AudioSample is closed.");let t=e.format??this.format,r=e.frameOffset??0;if(r>=this.numberOfFrames)throw RangeError("frameOffset out of range");let a=void 0!==e.frameCount?e.frameCount:this.numberOfFrames-r;if(a>this.numberOfFrames-r)throw RangeError("frameCount out of range");let i=T(t),s=I(t);if(s&&e.planeIndex>=this.numberOfChannels||!s&&0!==e.planeIndex)throw RangeError("planeIndex out of range");return(s?a:a*this.numberOfChannels)*i}copyTo(e,t){if(!(0,s.isAllowSharedBufferSource)(e))throw TypeError("destination must be an ArrayBuffer or an ArrayBuffer view.");if(!t||"object"!=typeof t)throw TypeError("options must be an object.");if(!Number.isInteger(t.planeIndex)||t.planeIndex<0)throw TypeError("planeIndex must be a non-negative integer.");if(void 0!==t.format&&!y.has(t.format))throw TypeError("Invalid format.");if(void 0!==t.frameOffset&&(!Number.isInteger(t.frameOffset)||t.frameOffset<0))throw TypeError("frameOffset must be a non-negative integer.");if(void 0!==t.frameCount&&(!Number.isInteger(t.frameCount)||t.frameCount<0))throw TypeError("frameCount must be a non-negative integer.");if(this._closed)throw Error("AudioSample is closed.");let{planeIndex:r,format:a,frameCount:i,frameOffset:n}=t,o=this.format,l=a??this.format;if(!l)throw Error("Destination format not determined");let c=this.numberOfFrames,d=this.numberOfChannels,u=n??0;if(u>=c)throw RangeError("frameOffset out of range");let h=void 0!==i?i:c-u;if(h>c-u)throw RangeError("frameCount out of range");let m=T(l),p=I(l);if(p&&r>=d||!p&&0!==r)throw RangeError("planeIndex out of range");let f=p?h:h*d;if(e.byteLength<f*m)throw RangeError("Destination buffer is too small");let g=(0,s.toDataView)(e),k=x(l);if(E(this._data))(0,s.isWebKit)()&&d>2&&l!==o?P(this._data,g,o,l,d,r,u,h):this._data.copyTo(e,{planeIndex:r,frameOffset:u,frameCount:h,format:l});else{let e=this._data,t=(0,s.toDataView)(e),a=w(o),i=T(o),n=I(o);for(let e=0;e<h;e++)if(p)k(g,e*m,a(t,n?(r*c+(e+u))*i:((e+u)*d+r)*i));else for(let r=0;r<d;r++)k(g,(e*d+r)*m,a(t,n?(r*c+(e+u))*i:((e+u)*d+r)*i))}}clone(){if(this._closed)throw Error("AudioSample is closed.");if(!E(this._data))return new S({format:this.format,sampleRate:this.sampleRate,numberOfFrames:this.numberOfFrames,numberOfChannels:this.numberOfChannels,timestamp:this.timestamp,data:this._data});{let e=new S(this._data.clone());return e.setTimestamp(this.timestamp),e}}close(){this._closed||(l?.unregister(this),E(this._data)?this._data.close():this._data=new Uint8Array(0),this._closed=!0)}toAudioData(){if(this._closed)throw Error("AudioSample is closed.");if(!E(this._data))return new AudioData({format:this.format,sampleRate:this.sampleRate,numberOfFrames:this.numberOfFrames,numberOfChannels:this.numberOfChannels,timestamp:this.microsecondTimestamp,data:this._data.buffer instanceof ArrayBuffer?this._data.buffer:this._data.slice()});if(this._data.timestamp===this.microsecondTimestamp)return this._data.clone();if(I(this.format)){let e=this.allocationSize({planeIndex:0,format:this.format}),t=new ArrayBuffer(e*this.numberOfChannels);for(let r=0;r<this.numberOfChannels;r++)this.copyTo(new Uint8Array(t,r*e,e),{planeIndex:r,format:this.format});return new AudioData({format:this.format,sampleRate:this.sampleRate,numberOfFrames:this.numberOfFrames,numberOfChannels:this.numberOfChannels,timestamp:this.microsecondTimestamp,data:t})}{let e=new ArrayBuffer(this.allocationSize({planeIndex:0,format:this.format}));return this.copyTo(e,{planeIndex:0,format:this.format}),new AudioData({format:this.format,sampleRate:this.sampleRate,numberOfFrames:this.numberOfFrames,numberOfChannels:this.numberOfChannels,timestamp:this.microsecondTimestamp,data:e})}}toAudioBuffer(){if(this._closed)throw Error("AudioSample is closed.");let e=new AudioBuffer({numberOfChannels:this.numberOfChannels,length:this.numberOfFrames,sampleRate:this.sampleRate}),t=new Float32Array(this.allocationSize({planeIndex:0,format:"f32-planar"})/4);for(let r=0;r<this.numberOfChannels;r++)this.copyTo(t,{planeIndex:r,format:"f32-planar"}),e.copyToChannel(t,r);return e}setTimestamp(e){if(!Number.isFinite(e))throw TypeError("newTimestamp must be a number.");this.timestamp=e}[Symbol.dispose](){this.close()}static*_fromAudioBuffer(e,t){if(!(e instanceof AudioBuffer))throw TypeError("audioBuffer must be an AudioBuffer.");let r=e.numberOfChannels,a=e.sampleRate,i=e.length,s=Math.floor(24e4/r),n=0,o=i;for(;o>0;){let i=Math.min(s,o),l=new Float32Array(r*i);for(let t=0;t<r;t++)e.copyFromChannel(l.subarray(t*i,(t+1)*i),t,n);yield new S({format:"f32-planar",sampleRate:a,numberOfFrames:i,numberOfChannels:r,timestamp:t+n/a,data:l}),n+=i,o-=i}}static fromAudioBuffer(e,t){if(!(e instanceof AudioBuffer))throw TypeError("audioBuffer must be an AudioBuffer.");let r=e.numberOfChannels,a=e.sampleRate,i=e.length,s=Math.floor(24e4/r),n=0,o=i,l=[];for(;o>0;){let i=Math.min(s,o),c=new Float32Array(r*i);for(let t=0;t<r;t++)e.copyFromChannel(c.subarray(t*i,(t+1)*i),t,n);let d=new S({format:"f32-planar",sampleRate:a,numberOfFrames:i,numberOfChannels:r,timestamp:t+n/a,data:c});l.push(d),n+=i,o-=i}return l}}let T=e=>{switch(e){case"u8":case"u8-planar":return 1;case"s16":case"s16-planar":return 2;case"s32":case"s32-planar":case"f32":case"f32-planar":return 4;default:throw Error("Unknown AudioSampleFormat")}},I=e=>{switch(e){case"u8-planar":case"s16-planar":case"s32-planar":case"f32-planar":return!0;default:return!1}},w=e=>{switch(e){case"u8":case"u8-planar":return(e,t)=>(e.getUint8(t)-128)/128;case"s16":case"s16-planar":return(e,t)=>e.getInt16(t,!0)/32768;case"s32":case"s32-planar":return(e,t)=>e.getInt32(t,!0)/0x80000000;case"f32":case"f32-planar":return(e,t)=>e.getFloat32(t,!0)}},x=e=>{switch(e){case"u8":case"u8-planar":return(e,t,r)=>e.setUint8(t,(0,s.clamp)((r+1)*127.5,0,255));case"s16":case"s16-planar":return(e,t,r)=>e.setInt16(t,(0,s.clamp)(Math.round(32767*r),-32768,32767),!0);case"s32":case"s32-planar":return(e,t,r)=>e.setInt32(t,(0,s.clamp)(Math.round(0x7fffffff*r),-0x80000000,0x7fffffff),!0);case"f32":case"f32-planar":return(e,t,r)=>e.setFloat32(t,r,!0)}},E=e=>"u">typeof AudioData&&e instanceof AudioData,P=(e,t,r,a,i,n,o,l)=>{let c=w(r),d=x(a),u=T(r),h=T(a),m=I(r);if(I(a))if(m){let a=new ArrayBuffer(l*u),i=(0,s.toDataView)(a);e.copyTo(a,{planeIndex:n,frameOffset:o,frameCount:l,format:r});for(let e=0;e<l;e++){let r=e*u;d(t,e*h,c(i,r))}}else{let a=new ArrayBuffer(l*i*u),m=(0,s.toDataView)(a);e.copyTo(a,{planeIndex:0,frameOffset:o,frameCount:l,format:r});for(let e=0;e<l;e++){let r=(e*i+n)*u;d(t,e*h,c(m,r))}}else if(m){let a=new ArrayBuffer(l*u),n=(0,s.toDataView)(a);for(let s=0;s<i;s++){e.copyTo(a,{planeIndex:s,frameOffset:o,frameCount:l,format:r});for(let e=0;e<l;e++){let r=e*u;d(t,(e*i+s)*h,c(n,r))}}}else{let a=new ArrayBuffer(l*i*u),n=(0,s.toDataView)(a);e.copyTo(a,{planeIndex:0,frameOffset:o,frameCount:l,format:r});for(let e=0;e<l;e++)for(let r=0;r<i;r++){let a=e*i+r,s=a*u;d(t,a*h,c(n,s))}}}},{"./misc.js":"jrq2g","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],fHhRy:[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"buildIsobmffMimeType",()=>s);let s=e=>{let t=(e.hasVideo?"video/":e.hasAudio?"audio/":"application/")+(e.isQuickTime?"quicktime":"mp4");if(e.codecStrings.length>0){let r=[...new Set(e.codecStrings)];t+=`; codecs="${r.join(", ")}"`}return t}},{"@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],"8zjcB":[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"MIN_BOX_HEADER_SIZE",()=>l),i.export(r,"MAX_BOX_HEADER_SIZE",()=>c),i.export(r,"readBoxHeader",()=>d),i.export(r,"readFixed_16_16",()=>u),i.export(r,"readFixed_2_30",()=>h),i.export(r,"readIsomVariableInteger",()=>m),i.export(r,"readMetadataStringShort",()=>p),i.export(r,"readDataBox",()=>f);var s=e("../metadata.js"),n=e("../misc.js"),o=e("../reader.js");let l=8,c=16,d=e=>{let t=(0,o.readU32Be)(e),r=(0,o.readAscii)(e,4),a=8;1===t&&(t=(0,o.readU64Be)(e),a=16);let i=t-a;return i<0?null:{name:r,totalSize:t,headerSize:a,contentSize:i}},u=e=>(0,o.readI32Be)(e)/65536,h=e=>(0,o.readI32Be)(e)/0x40000000,m=e=>{let t=0;for(let r=0;r<4;r++){t<<=7;let r=(0,o.readU8)(e);if(t|=127&r,(128&r)==0)break}return t},p=e=>{let t=(0,o.readU16Be)(e);return e.skip(2),t=Math.min(t,e.remainingLength),n.textDecoder.decode((0,o.readBytes)(e,t))},f=e=>{let t=d(e);if(!t||"data"!==t.name||e.remainingLength<8)return null;let r=(0,o.readU32Be)(e);e.skip(4);let a=(0,o.readBytes)(e,t.contentSize-8);switch(r){case 1:return n.textDecoder.decode(a);case 2:return new TextDecoder("utf-16be").decode(a);case 13:return new(0,s.RichImageData)(a,"image/jpeg");case 14:return new(0,s.RichImageData)(a,"image/png");case 27:return new(0,s.RichImageData)(a,"image/bmp");default:return a}}},{"../metadata.js":"1RzS5","../misc.js":"jrq2g","../reader.js":"6AkKg","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],"1RzS5":[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"RichImageData",()=>s),i.export(r,"AttachedFile",()=>n),i.export(r,"validateMetadataTags",()=>o),i.export(r,"metadataTagsAreEmpty",()=>l),i.export(r,"DEFAULT_TRACK_DISPOSITION",()=>c),i.export(r,"validateTrackDisposition",()=>d);class s{constructor(e,t){if(this.data=e,this.mimeType=t,!(e instanceof Uint8Array))throw TypeError("data must be a Uint8Array.");if("string"!=typeof t)throw TypeError("mimeType must be a string.")}}class n{constructor(e,t,r,a){if(this.data=e,this.mimeType=t,this.name=r,this.description=a,!(e instanceof Uint8Array))throw TypeError("data must be a Uint8Array.");if(void 0!==t&&"string"!=typeof t)throw TypeError("mimeType, when provided, must be a string.");if(void 0!==r&&"string"!=typeof r)throw TypeError("name, when provided, must be a string.");if(void 0!==a&&"string"!=typeof a)throw TypeError("description, when provided, must be a string.")}}let o=e=>{if(!e||"object"!=typeof e)throw TypeError("tags must be an object.");if(void 0!==e.title&&"string"!=typeof e.title)throw TypeError("tags.title, when provided, must be a string.");if(void 0!==e.description&&"string"!=typeof e.description)throw TypeError("tags.description, when provided, must be a string.");if(void 0!==e.artist&&"string"!=typeof e.artist)throw TypeError("tags.artist, when provided, must be a string.");if(void 0!==e.album&&"string"!=typeof e.album)throw TypeError("tags.album, when provided, must be a string.");if(void 0!==e.albumArtist&&"string"!=typeof e.albumArtist)throw TypeError("tags.albumArtist, when provided, must be a string.");if(void 0!==e.trackNumber&&(!Number.isInteger(e.trackNumber)||e.trackNumber<=0))throw TypeError("tags.trackNumber, when provided, must be a positive integer.");if(void 0!==e.tracksTotal&&(!Number.isInteger(e.tracksTotal)||e.tracksTotal<=0))throw TypeError("tags.tracksTotal, when provided, must be a positive integer.");if(void 0!==e.discNumber&&(!Number.isInteger(e.discNumber)||e.discNumber<=0))throw TypeError("tags.discNumber, when provided, must be a positive integer.");if(void 0!==e.discsTotal&&(!Number.isInteger(e.discsTotal)||e.discsTotal<=0))throw TypeError("tags.discsTotal, when provided, must be a positive integer.");if(void 0!==e.genre&&"string"!=typeof e.genre)throw TypeError("tags.genre, when provided, must be a string.");if(void 0!==e.date&&(!(e.date instanceof Date)||Number.isNaN(e.date.getTime())))throw TypeError("tags.date, when provided, must be a valid Date.");if(void 0!==e.lyrics&&"string"!=typeof e.lyrics)throw TypeError("tags.lyrics, when provided, must be a string.");if(void 0!==e.images){if(!Array.isArray(e.images))throw TypeError("tags.images, when provided, must be an array.");for(let t of e.images){if(!t||"object"!=typeof t)throw TypeError("Each image in tags.images must be an object.");if(!(t.data instanceof Uint8Array))throw TypeError("Each image.data must be a Uint8Array.");if("string"!=typeof t.mimeType)throw TypeError("Each image.mimeType must be a string.");if(!["coverFront","coverBack","unknown"].includes(t.kind))throw TypeError("Each image.kind must be 'coverFront', 'coverBack', or 'unknown'.")}}if(void 0!==e.comment&&"string"!=typeof e.comment)throw TypeError("tags.comment, when provided, must be a string.");if(void 0!==e.raw){if(!e.raw||"object"!=typeof e.raw)throw TypeError("tags.raw, when provided, must be an object.");for(let t of Object.values(e.raw))if(null!==t&&"string"!=typeof t&&!(t instanceof Uint8Array)&&!(t instanceof s)&&!(t instanceof n))throw TypeError("Each value in tags.raw must be a string, Uint8Array, RichImageData, AttachedFile, or null.")}},l=e=>void 0===e.title&&void 0===e.description&&void 0===e.artist&&void 0===e.album&&void 0===e.albumArtist&&void 0===e.trackNumber&&void 0===e.tracksTotal&&void 0===e.discNumber&&void 0===e.discsTotal&&void 0===e.genre&&void 0===e.date&&void 0===e.lyrics&&(!e.images||0===e.images.length)&&void 0===e.comment&&(void 0===e.raw||0===Object.keys(e.raw).length),c={default:!0,forced:!1,original:!1,commentary:!1,hearingImpaired:!1,visuallyImpaired:!1},d=e=>{if(!e||"object"!=typeof e)throw TypeError("disposition must be an object.");if(void 0!==e.default&&"boolean"!=typeof e.default)throw TypeError("disposition.default must be a boolean.");if(void 0!==e.forced&&"boolean"!=typeof e.forced)throw TypeError("disposition.forced must be a boolean.");if(void 0!==e.original&&"boolean"!=typeof e.original)throw TypeError("disposition.original must be a boolean.");if(void 0!==e.commentary&&"boolean"!=typeof e.commentary)throw TypeError("disposition.commentary must be a boolean.");if(void 0!==e.hearingImpaired&&"boolean"!=typeof e.hearingImpaired)throw TypeError("disposition.hearingImpaired must be a boolean.");if(void 0!==e.visuallyImpaired&&"boolean"!=typeof e.visuallyImpaired)throw TypeError("disposition.visuallyImpaired must be a boolean.")}},{"@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],"4qt3Y":[function(e,t,r,a){var i,s,n=e("@parcel/transformer-js/src/esmodule-helpers.js");n.defineInteropFlag(r),n.export(r,"EBMLFloat32",()=>c),n.export(r,"EBMLFloat64",()=>d),n.export(r,"EBMLSignedInt",()=>u),n.export(r,"EBMLUnicodeString",()=>h),n.export(r,"EBMLId",()=>s),n.export(r,"LEVEL_0_EBML_IDS",()=>m),n.export(r,"LEVEL_1_EBML_IDS",()=>p),n.export(r,"LEVEL_0_AND_1_EBML_IDS",()=>f),n.export(r,"measureUnsignedInt",()=>g),n.export(r,"measureUnsignedBigInt",()=>k),n.export(r,"measureSignedInt",()=>b),n.export(r,"measureVarInt",()=>y),n.export(r,"EBMLWriter",()=>S),n.export(r,"MAX_VAR_INT_SIZE",()=>T),n.export(r,"MIN_HEADER_SIZE",()=>I),n.export(r,"MAX_HEADER_SIZE",()=>w),n.export(r,"readVarIntSize",()=>x),n.export(r,"readVarInt",()=>E),n.export(r,"readUnsignedInt",()=>P),n.export(r,"readUnsignedBigInt",()=>v),n.export(r,"readSignedInt",()=>C),n.export(r,"readElementId",()=>A),n.export(r,"readElementSize",()=>B),n.export(r,"readElementHeader",()=>_),n.export(r,"readAsciiString",()=>D),n.export(r,"readUnicodeString",()=>M),n.export(r,"readFloat",()=>F),n.export(r,"searchForNextElementId",()=>R),n.export(r,"resync",()=>U),n.export(r,"CODEC_STRING_MAP",()=>L),n.export(r,"assertDefinedSize",()=>N);var o=e("../misc.js"),l=e("../reader.js");class c{constructor(e){this.value=e}}class d{constructor(e){this.value=e}}class u{constructor(e){this.value=e}}class h{constructor(e){this.value=e}}(i=s||(s={}))[i.EBML=0x1a45dfa3]="EBML",i[i.EBMLVersion=17030]="EBMLVersion",i[i.EBMLReadVersion=17143]="EBMLReadVersion",i[i.EBMLMaxIDLength=17138]="EBMLMaxIDLength",i[i.EBMLMaxSizeLength=17139]="EBMLMaxSizeLength",i[i.DocType=17026]="DocType",i[i.DocTypeVersion=17031]="DocTypeVersion",i[i.DocTypeReadVersion=17029]="DocTypeReadVersion",i[i.Void=236]="Void",i[i.Segment=0x18538067]="Segment",i[i.SeekHead=0x114d9b74]="SeekHead",i[i.Seek=19899]="Seek",i[i.SeekID=21419]="SeekID",i[i.SeekPosition=21420]="SeekPosition",i[i.Duration=17545]="Duration",i[i.Info=0x1549a966]="Info",i[i.TimestampScale=2807729]="TimestampScale",i[i.MuxingApp=19840]="MuxingApp",i[i.WritingApp=22337]="WritingApp",i[i.Tracks=0x1654ae6b]="Tracks",i[i.TrackEntry=174]="TrackEntry",i[i.TrackNumber=215]="TrackNumber",i[i.TrackUID=29637]="TrackUID",i[i.TrackType=131]="TrackType",i[i.FlagEnabled=185]="FlagEnabled",i[i.FlagDefault=136]="FlagDefault",i[i.FlagForced=21930]="FlagForced",i[i.FlagOriginal=21934]="FlagOriginal",i[i.FlagHearingImpaired=21931]="FlagHearingImpaired",i[i.FlagVisualImpaired=21932]="FlagVisualImpaired",i[i.FlagCommentary=21935]="FlagCommentary",i[i.FlagLacing=156]="FlagLacing",i[i.Name=21358]="Name",i[i.Language=2274716]="Language",i[i.LanguageBCP47=2274717]="LanguageBCP47",i[i.CodecID=134]="CodecID",i[i.CodecPrivate=25506]="CodecPrivate",i[i.CodecDelay=22186]="CodecDelay",i[i.SeekPreRoll=22203]="SeekPreRoll",i[i.DefaultDuration=2352003]="DefaultDuration",i[i.Video=224]="Video",i[i.PixelWidth=176]="PixelWidth",i[i.PixelHeight=186]="PixelHeight",i[i.AlphaMode=21440]="AlphaMode",i[i.Audio=225]="Audio",i[i.SamplingFrequency=181]="SamplingFrequency",i[i.Channels=159]="Channels",i[i.BitDepth=25188]="BitDepth",i[i.SimpleBlock=163]="SimpleBlock",i[i.BlockGroup=160]="BlockGroup",i[i.Block=161]="Block",i[i.BlockAdditions=30113]="BlockAdditions",i[i.BlockMore=166]="BlockMore",i[i.BlockAdditional=165]="BlockAdditional",i[i.BlockAddID=238]="BlockAddID",i[i.BlockDuration=155]="BlockDuration",i[i.ReferenceBlock=251]="ReferenceBlock",i[i.Cluster=0x1f43b675]="Cluster",i[i.Timestamp=231]="Timestamp",i[i.Cues=0x1c53bb6b]="Cues",i[i.CuePoint=187]="CuePoint",i[i.CueTime=179]="CueTime",i[i.CueTrackPositions=183]="CueTrackPositions",i[i.CueTrack=247]="CueTrack",i[i.CueClusterPosition=241]="CueClusterPosition",i[i.Colour=21936]="Colour",i[i.MatrixCoefficients=21937]="MatrixCoefficients",i[i.TransferCharacteristics=21946]="TransferCharacteristics",i[i.Primaries=21947]="Primaries",i[i.Range=21945]="Range",i[i.Projection=30320]="Projection",i[i.ProjectionType=30321]="ProjectionType",i[i.ProjectionPoseRoll=30325]="ProjectionPoseRoll",i[i.Attachments=0x1941a469]="Attachments",i[i.AttachedFile=24999]="AttachedFile",i[i.FileDescription=18046]="FileDescription",i[i.FileName=18030]="FileName",i[i.FileMediaType=18016]="FileMediaType",i[i.FileData=18012]="FileData",i[i.FileUID=18094]="FileUID",i[i.Chapters=0x1043a770]="Chapters",i[i.Tags=0x1254c367]="Tags",i[i.Tag=29555]="Tag",i[i.Targets=25536]="Targets",i[i.TargetTypeValue=26826]="TargetTypeValue",i[i.TargetType=25546]="TargetType",i[i.TagTrackUID=25541]="TagTrackUID",i[i.TagEditionUID=25545]="TagEditionUID",i[i.TagChapterUID=25540]="TagChapterUID",i[i.TagAttachmentUID=25542]="TagAttachmentUID",i[i.SimpleTag=26568]="SimpleTag",i[i.TagName=17827]="TagName",i[i.TagLanguage=17530]="TagLanguage",i[i.TagString=17543]="TagString",i[i.TagBinary=17541]="TagBinary",i[i.ContentEncodings=28032]="ContentEncodings",i[i.ContentEncoding=25152]="ContentEncoding",i[i.ContentEncodingOrder=20529]="ContentEncodingOrder",i[i.ContentEncodingScope=20530]="ContentEncodingScope",i[i.ContentCompression=20532]="ContentCompression",i[i.ContentCompAlgo=16980]="ContentCompAlgo",i[i.ContentCompSettings=16981]="ContentCompSettings",i[i.ContentEncryption=20533]="ContentEncryption";let m=[s.EBML,s.Segment],p=[s.SeekHead,s.Info,s.Cluster,s.Tracks,s.Cues,s.Attachments,s.Chapters,s.Tags],f=[...m,...p],g=e=>{if(e<256)return 1;if(e<65536)return 2;if(e<0x1000000)return 3;if(e<0x100000000)return 4;if(e<0x10000000000)return 5;else return 6},k=e=>{if(e<1n<<8n)return 1;if(e<1n<<16n)return 2;if(e<1n<<24n)return 3;if(e<1n<<32n)return 4;if(e<1n<<40n)return 5;else if(e<1n<<48n)return 6;else if(e<1n<<56n)return 7;else return 8},b=e=>{if(e>=-64&&e<64)return 1;if(e>=-8192&&e<8192)return 2;if(e>=-1048576&&e<1048576)return 3;if(e>=-0x8000000&&e<0x8000000)return 4;if(e>=-0x400000000&&e<0x400000000)return 5;else return 6},y=e=>{if(e<127)return 1;if(e<16383)return 2;if(e<2097151)return 3;if(e<0xfffffff)return 4;if(e<0x800000000-1)return 5;else if(e<0x40000000000-1)return 6;else throw Error("EBML varint size not supported "+e)};class S{constructor(e){this.writer=e,this.helper=new Uint8Array(8),this.helperView=new DataView(this.helper.buffer),this.offsets=new WeakMap,this.dataOffsets=new WeakMap}writeByte(e){this.helperView.setUint8(0,e),this.writer.write(this.helper.subarray(0,1))}writeFloat32(e){this.helperView.setFloat32(0,e,!1),this.writer.write(this.helper.subarray(0,4))}writeFloat64(e){this.helperView.setFloat64(0,e,!1),this.writer.write(this.helper)}writeUnsignedInt(e,t=g(e)){let r=0;switch(t){case 6:this.helperView.setUint8(r++,e/0x10000000000|0);case 5:this.helperView.setUint8(r++,e/0x100000000|0);case 4:this.helperView.setUint8(r++,e>>24);case 3:this.helperView.setUint8(r++,e>>16);case 2:this.helperView.setUint8(r++,e>>8);case 1:this.helperView.setUint8(r++,e);break;default:throw Error("Bad unsigned int size "+t)}this.writer.write(this.helper.subarray(0,r))}writeUnsignedBigInt(e,t=k(e)){let r=0;for(let a=t-1;a>=0;a--)this.helperView.setUint8(r++,Number(e>>BigInt(8*a)&255n));this.writer.write(this.helper.subarray(0,r))}writeSignedInt(e,t=b(e)){e<0&&(e+=2**(8*t)),this.writeUnsignedInt(e,t)}writeVarInt(e,t=y(e)){let r=0;switch(t){case 1:this.helperView.setUint8(r++,128|e);break;case 2:this.helperView.setUint8(r++,64|e>>8),this.helperView.setUint8(r++,e);break;case 3:this.helperView.setUint8(r++,32|e>>16),this.helperView.setUint8(r++,e>>8),this.helperView.setUint8(r++,e);break;case 4:this.helperView.setUint8(r++,16|e>>24),this.helperView.setUint8(r++,e>>16),this.helperView.setUint8(r++,e>>8),this.helperView.setUint8(r++,e);break;case 5:this.helperView.setUint8(r++,8|e/0x100000000&7),this.helperView.setUint8(r++,e>>24),this.helperView.setUint8(r++,e>>16),this.helperView.setUint8(r++,e>>8),this.helperView.setUint8(r++,e);break;case 6:this.helperView.setUint8(r++,4|e/0x10000000000&3),this.helperView.setUint8(r++,e/0x100000000|0),this.helperView.setUint8(r++,e>>24),this.helperView.setUint8(r++,e>>16),this.helperView.setUint8(r++,e>>8),this.helperView.setUint8(r++,e);break;default:throw Error("Bad EBML varint size "+t)}this.writer.write(this.helper.subarray(0,r))}writeAsciiString(e){this.writer.write(new Uint8Array(e.split("").map(e=>e.charCodeAt(0))))}writeEBML(e){if(null!==e)if(e instanceof Uint8Array)this.writer.write(e);else if(Array.isArray(e))for(let t of e)this.writeEBML(t);else if(this.offsets.set(e,this.writer.getPos()),this.writeUnsignedInt(e.id),Array.isArray(e.data)){let t=this.writer.getPos(),r=-1===e.size?1:e.size??4;-1===e.size?this.writeByte(255):this.writer.seek(this.writer.getPos()+r);let a=this.writer.getPos();if(this.dataOffsets.set(e,a),this.writeEBML(e.data),-1!==e.size){let e=this.writer.getPos()-a,i=this.writer.getPos();this.writer.seek(t),this.writeVarInt(e,r),this.writer.seek(i)}}else if("number"==typeof e.data){let t=e.size??g(e.data);this.writeVarInt(t),this.writeUnsignedInt(e.data,t)}else if("bigint"==typeof e.data){let t=e.size??k(e.data);this.writeVarInt(t),this.writeUnsignedBigInt(e.data,t)}else if("string"==typeof e.data)this.writeVarInt(e.data.length),this.writeAsciiString(e.data);else if(e.data instanceof Uint8Array)this.writeVarInt(e.data.byteLength,e.size),this.writer.write(e.data);else if(e.data instanceof c)this.writeVarInt(4),this.writeFloat32(e.data.value);else if(e.data instanceof d)this.writeVarInt(8),this.writeFloat64(e.data.value);else if(e.data instanceof u){let t=e.size??b(e.data.value);this.writeVarInt(t),this.writeSignedInt(e.data.value,t)}else if(e.data instanceof h){let t=o.textEncoder.encode(e.data.value);this.writeVarInt(t.length),this.writer.write(t)}else(0,o.assertNever)(e.data)}}let T=8,I=2,w=16,x=e=>{if(e.remainingLength<1)return null;let t=(0,l.readU8)(e);if(e.skip(-1),0===t)return null;let r=1,a=128;for(;(t&a)==0;)r++,a>>=1;return e.remainingLength<r?null:r},E=e=>{if(e.remainingLength<1)return null;let t=(0,l.readU8)(e);if(0===t)return null;let r=1,a=128;for(;(t&a)==0;)r++,a>>=1;if(e.remainingLength<r-1)return null;let i=t&a-1;for(let t=1;t<r;t++)i*=256,i+=(0,l.readU8)(e);return i},P=(e,t)=>{if(t<1||t>8)throw Error("Bad unsigned int size "+t);let r=0;for(let a=0;a<t;a++)r*=256,r+=(0,l.readU8)(e);return r},v=(e,t)=>{if(t<1)throw Error("Bad unsigned int size "+t);let r=0n;for(let a=0;a<t;a++)r<<=8n,r+=BigInt((0,l.readU8)(e));return r},C=(e,t)=>{let r=P(e,t);return r&1<<8*t-1&&(r-=2**(8*t)),r},A=e=>{let t=x(e);return null===t||e.remainingLength<t?null:P(e,t)},B=e=>{if(e.remainingLength<1)return null;if(255===(0,l.readU8)(e))return;e.skip(-1);let t=E(e);return null===t?null:0x100000000000000!==t?t:void 0},_=e=>{(0,o.assert)(e.remainingLength>=I);let t=A(e);if(null===t)return null;let r=B(e);return null===r?null:{id:t,size:r}},D=(e,t)=>{let r=(0,l.readBytes)(e,t),a=0;for(;a<t&&0!==r[a];)a+=1;return String.fromCharCode(...r.subarray(0,a))},M=(e,t)=>{let r=(0,l.readBytes)(e,t),a=0;for(;a<t&&0!==r[a];)a+=1;return o.textDecoder.decode(r.subarray(0,a))},F=(e,t)=>{if(0===t)return 0;if(4!==t&&8!==t)throw Error("Bad float size "+t);return 4===t?(0,l.readF32Be)(e):(0,l.readF64Be)(e)},R=async(e,t,r,a)=>{let i=new Set(r),s=t;for(;null===a||s<a;){let t=e.requestSliceRange(s,I,w);if(t instanceof Promise&&(t=await t),!t)break;let r=_(t);if(!r)break;if(i.has(r.id))return{pos:s,found:!0};N(r.size),s=t.filePos+r.size}return{pos:null!==a&&a>s?a:s,found:!1}},U=async(e,t,r,a)=>{let i=new Set(r),s=t;for(;s<a;){let t=e.requestSliceRange(s,0,Math.min(65536,a-s));if(t instanceof Promise&&(t=await t),!t||t.length<T)break;for(let e=0;e<t.length-T;e++){t.filePos=s;let e=A(t);if(null!==e&&i.has(e))return s;s++}}return null},L={avc:"V_MPEG4/ISO/AVC",hevc:"V_MPEGH/ISO/HEVC",vp8:"V_VP8",vp9:"V_VP9",av1:"V_AV1",aac:"A_AAC",mp3:"A_MPEG/L3",opus:"A_OPUS",vorbis:"A_VORBIS",flac:"A_FLAC","pcm-u8":"A_PCM/INT/LIT","pcm-s16":"A_PCM/INT/LIT","pcm-s16be":"A_PCM/INT/BIG","pcm-s24":"A_PCM/INT/LIT","pcm-s24be":"A_PCM/INT/BIG","pcm-s32":"A_PCM/INT/LIT","pcm-s32be":"A_PCM/INT/BIG","pcm-f32":"A_PCM/FLOAT/IEEE","pcm-f64":"A_PCM/FLOAT/IEEE",webvtt:"S_TEXT/WEBVTT"};function N(e){if(void 0===e)throw Error("Undefined element size is used in a place where it is not supported.")}},{"../misc.js":"jrq2g","../reader.js":"6AkKg","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],fO0Ln:[function(e,t,r,a){var i,s,n,o,l,c,d=e("@parcel/transformer-js/src/esmodule-helpers.js");d.defineInteropFlag(r),d.export(r,"MatroskaDemuxer",()=>I);var u=e("../codec-data.js"),h=e("../codec.js"),m=e("../demuxer.js"),p=e("../input-track.js"),f=e("../metadata.js"),g=e("../misc.js"),k=e("../packet.js"),b=e("./ebml.js"),y=e("./matroska-misc.js"),S=e("../reader.js");(i=o||(o={}))[i.None=0]="None",i[i.Xiph=1]="Xiph",i[i.FixedSize=2]="FixedSize",i[i.Ebml=3]="Ebml",(s=l||(l={}))[s.Block=1]="Block",s[s.Private=2]="Private",s[s.Next=4]="Next",(n=c||(c={}))[n.Zlib=0]="Zlib",n[n.Bzlib=1]="Bzlib",n[n.lzo1x=2]="lzo1x",n[n.HeaderStripping=3]="HeaderStripping";let T=[{id:b.EBMLId.SeekHead,flag:"seekHeadSeen"},{id:b.EBMLId.Info,flag:"infoSeen"},{id:b.EBMLId.Tracks,flag:"tracksSeen"},{id:b.EBMLId.Cues,flag:"cuesSeen"}];class I extends m.Demuxer{constructor(e){super(e),this.readMetadataPromise=null,this.segments=[],this.currentSegment=null,this.currentTrack=null,this.currentCluster=null,this.currentBlock=null,this.currentBlockAdditional=null,this.currentCueTime=null,this.currentDecodingInstruction=null,this.currentTagTargetIsMovie=!0,this.currentSimpleTagName=null,this.currentAttachedFile=null,this.isWebM=!1,this.reader=e._reader}async computeDuration(){let e=await this.getTracks();return Math.max(0,...await Promise.all(e.map(e=>e.computeDuration())))}async getTracks(){return await this.readMetadata(),this.segments.flatMap(e=>e.tracks.map(e=>e.inputTrack))}async getMimeType(){await this.readMetadata();let e=await this.getTracks(),t=await Promise.all(e.map(e=>e.getCodecParameterString()));return(0,y.buildMatroskaMimeType)({isWebM:this.isWebM,hasVideo:this.segments.some(e=>e.tracks.some(e=>e.info?.type==="video")),hasAudio:this.segments.some(e=>e.tracks.some(e=>e.info?.type==="audio")),codecStrings:t.filter(Boolean)})}async getMetadataTags(){for(let e of(await this.readMetadata(),this.segments))e.metadataTagsCollected||(null!==this.reader.fileSize&&await this.loadSegmentMetadata(e),e.metadataTagsCollected=!0);let e={};for(let t of this.segments)e={...e,...t.metadataTags};return e}readMetadata(){return this.readMetadataPromise??=(async()=>{let e=0;for(;;){let t=this.reader.requestSliceRange(e,b.MIN_HEADER_SIZE,b.MAX_HEADER_SIZE);if(t instanceof Promise&&(t=await t),!t)break;let r=(0,b.readElementHeader)(t);if(!r)break;let a=r.id,i=r.size,s=t.filePos;if(a===b.EBMLId.EBML){(0,b.assertDefinedSize)(i);let e=this.reader.requestSlice(s,i);if(e instanceof Promise&&(e=await e),!e)break;this.readContiguousElements(e)}else if(a===b.EBMLId.Segment){if(await this.readSegment(s,i),void 0===i||null===this.reader.fileSize)break}else if(a===b.EBMLId.Cluster){if(null===this.reader.fileSize)break;void 0===i&&(i=(await (0,b.searchForNextElementId)(this.reader,s,b.LEVEL_0_AND_1_EBML_IDS,this.reader.fileSize)).pos-s);let e=(0,g.last)(this.segments);e&&(e.elementEndPos=s+i)}(0,b.assertDefinedSize)(i),e=s+i}})()}async readSegment(e,t){this.currentSegment={seekHeadSeen:!1,infoSeen:!1,tracksSeen:!1,cuesSeen:!1,tagsSeen:!1,attachmentsSeen:!1,timestampScale:-1,timestampFactor:-1,duration:-1,seekEntries:[],tracks:[],cuePoints:[],dataStartPos:e,elementEndPos:void 0===t?null:e+t,clusterSeekStartPos:e,lastReadCluster:null,metadataTags:{},metadataTagsCollected:!1},this.segments.push(this.currentSegment);let r=e;for(;null===this.currentSegment.elementEndPos||r<this.currentSegment.elementEndPos;){let e=this.reader.requestSliceRange(r,b.MIN_HEADER_SIZE,b.MAX_HEADER_SIZE);if(e instanceof Promise&&(e=await e),!e)break;let t=r,a=(0,b.readElementHeader)(e);if(!a||!b.LEVEL_1_EBML_IDS.includes(a.id)&&a.id!==b.EBMLId.Void){let e=await (0,b.resync)(this.reader,t,b.LEVEL_1_EBML_IDS,Math.min(this.currentSegment.elementEndPos??1/0,t+0xa00000));if(e){r=e;continue}break}let{id:i,size:s}=a,n=e.filePos,o=T.findIndex(e=>e.id===i);if(-1!==o){let e=T[o].flag;this.currentSegment[e]=!0,(0,b.assertDefinedSize)(s);let t=this.reader.requestSlice(n,s);t instanceof Promise&&(t=await t),t&&this.readContiguousElements(t)}else if(i===b.EBMLId.Tags||i===b.EBMLId.Attachments){i===b.EBMLId.Tags?this.currentSegment.tagsSeen=!0:this.currentSegment.attachmentsSeen=!0,(0,b.assertDefinedSize)(s);let e=this.reader.requestSlice(n,s);e instanceof Promise&&(e=await e),e&&this.readContiguousElements(e)}else if(i===b.EBMLId.Cluster){this.currentSegment.clusterSeekStartPos=t;break}if(void 0===s)break;r=n+s}if(this.currentSegment.seekEntries.sort((e,t)=>e.segmentPosition-t.segmentPosition),null!==this.reader.fileSize)for(let t of this.currentSegment.seekEntries){let r=T.find(e=>e.id===t.id);if(!r||this.currentSegment[r.flag])continue;let a=this.reader.requestSliceRange(e+t.segmentPosition,b.MIN_HEADER_SIZE,b.MAX_HEADER_SIZE);if(a instanceof Promise&&(a=await a),!a)continue;let i=(0,b.readElementHeader)(a);if(!i)continue;let{id:s,size:n}=i;if(s!==r.id)continue;(0,b.assertDefinedSize)(n),this.currentSegment[r.flag]=!0;let o=this.reader.requestSlice(a.filePos,n);o instanceof Promise&&(o=await o),o&&this.readContiguousElements(o)}for(let e of(-1===this.currentSegment.timestampScale&&(this.currentSegment.timestampScale=1e6,this.currentSegment.timestampFactor=1e3),this.currentSegment.tracks))null!==e.defaultDurationNs&&(e.defaultDuration=this.currentSegment.timestampFactor*e.defaultDurationNs/1e9);this.currentSegment.tracks.sort((e,t)=>Number(t.disposition.default)-Number(e.disposition.default));let a=new Map(this.currentSegment.tracks.map(e=>[e.id,e]));for(let e of this.currentSegment.cuePoints){let t=a.get(e.trackId);t&&t.cuePoints.push(e)}for(let e of this.currentSegment.tracks){e.cuePoints.sort((e,t)=>e.time-t.time);for(let t=0;t<e.cuePoints.length-1;t++){let r=e.cuePoints[t],a=e.cuePoints[t+1];r.time===a.time&&(e.cuePoints.splice(t+1,1),t--)}}let i=null,s=-1/0;for(let e of this.currentSegment.tracks)e.cuePoints.length>s&&(s=e.cuePoints.length,i=e);for(let e of this.currentSegment.tracks)0===e.cuePoints.length&&(e.cuePoints=i.cuePoints);this.currentSegment=null}async readCluster(e,t){if(t.lastReadCluster?.elementStartPos===e)return t.lastReadCluster;let r=this.reader.requestSliceRange(e,b.MIN_HEADER_SIZE,b.MAX_HEADER_SIZE);r instanceof Promise&&(r=await r),(0,g.assert)(r);let a=(0,b.readElementHeader)(r);(0,g.assert)(a);let i=a.id;(0,g.assert)(i===b.EBMLId.Cluster);let s=a.size,n=r.filePos;void 0===s&&(s=(await (0,b.searchForNextElementId)(this.reader,n,b.LEVEL_0_AND_1_EBML_IDS,t.elementEndPos)).pos-n);let l=this.reader.requestSlice(n,s);l instanceof Promise&&(l=await l);let c={segment:t,elementStartPos:e,elementEndPos:n+s,dataStartPos:n,timestamp:-1,trackData:new Map};for(let[,t]of(this.currentCluster=c,l&&(c.elementEndPos=this.readContiguousElements(l,b.LEVEL_0_AND_1_EBML_IDS)),c.trackData)){let r=t.track;(0,g.assert)(t.blocks.length>0);let a=!1;for(let e=0;e<t.blocks.length;e++){let r=t.blocks[e];r.timestamp+=c.timestamp,a||=r.lacing!==o.None}t.presentationTimestamps=t.blocks.map((e,t)=>({timestamp:e.timestamp,blockIndex:t})).sort((e,t)=>e.timestamp-t.timestamp);for(let e=0;e<t.presentationTimestamps.length;e++){let a=t.presentationTimestamps[e],i=t.blocks[a.blockIndex];null===t.firstKeyFrameTimestamp&&i.isKeyFrame&&(t.firstKeyFrameTimestamp=i.timestamp),e<t.presentationTimestamps.length-1?i.duration=t.presentationTimestamps[e+1].timestamp-i.timestamp:0===i.duration&&null!=r.defaultDuration&&i.lacing===o.None&&(i.duration=r.defaultDuration)}a&&(this.expandLacedBlocks(t.blocks,r),t.presentationTimestamps=t.blocks.map((e,t)=>({timestamp:e.timestamp,blockIndex:t})).sort((e,t)=>e.timestamp-t.timestamp));let i=t.blocks[t.presentationTimestamps[0].blockIndex],s=t.blocks[(0,g.last)(t.presentationTimestamps).blockIndex];t.startTimestamp=i.timestamp,t.endTimestamp=s.timestamp+s.duration;let n=(0,g.binarySearchLessOrEqual)(r.clusterPositionCache,t.startTimestamp,e=>e.startTimestamp);(-1===n||r.clusterPositionCache[n].elementStartPos!==e)&&r.clusterPositionCache.splice(n+1,0,{elementStartPos:c.elementStartPos,startTimestamp:t.startTimestamp})}return t.lastReadCluster=c,c}getTrackDataInCluster(e,t){let r=e.trackData.get(t);if(!r){let a=e.segment.tracks.find(e=>e.id===t);if(!a)return null;r={track:a,startTimestamp:0,endTimestamp:0,firstKeyFrameTimestamp:null,blocks:[],presentationTimestamps:[]},e.trackData.set(t,r)}return r}expandLacedBlocks(e,t){for(let r=0;r<e.length;r++){let a=e[r];if(a.lacing===o.None)continue;a.decoded||(a.data=this.decodeBlockData(t,a.data),a.decoded=!0);let i=S.FileSlice.tempFromBytes(a.data),s=[],n=(0,S.readU8)(i)+1;switch(a.lacing){case o.Xiph:{let e=0;for(let t=0;t<n-1;t++){let t=0;for(;i.bufferPos<i.length;){let r=(0,S.readU8)(i);if(t+=r,r<255){s.push(t),e+=t;break}}}s.push(i.length-(i.bufferPos+e))}break;case o.FixedSize:{let e=Math.floor((i.length-1)/n);for(let t=0;t<n;t++)s.push(e)}break;case o.Ebml:{let e=(0,b.readVarInt)(i);(0,g.assert)(null!==e);let t=e;s.push(t);let r=t;for(let e=1;e<n-1;e++){let e=i.bufferPos,a=(0,b.readVarInt)(i);(0,g.assert)(null!==a),t+=a-((1<<7*(i.bufferPos-e)-1)-1),s.push(t),r+=t}s.push(i.length-(i.bufferPos+r))}break;default:(0,g.assert)(!1)}(0,g.assert)(s.length===n),e.splice(r,1);let l=a.duration||n*(t.defaultDuration??0);for(let t=0;t<n;t++){let c=s[t],d=(0,S.readBytes)(i,c),u=a.timestamp+l*t/n,h=l/n;e.splice(r+t,0,{timestamp:u,duration:h,isKeyFrame:a.isKeyFrame,data:d,lacing:o.None,decoded:!0,mainAdditional:a.mainAdditional})}r+=n,r--}}async loadSegmentMetadata(e){for(let t of e.seekEntries){if((t.id!==b.EBMLId.Tags||e.tagsSeen)&&(t.id!==b.EBMLId.Attachments||e.attachmentsSeen))continue;let r=this.reader.requestSliceRange(e.dataStartPos+t.segmentPosition,b.MIN_HEADER_SIZE,b.MAX_HEADER_SIZE);if(r instanceof Promise&&(r=await r),!r)continue;let a=(0,b.readElementHeader)(r);if(!a||a.id!==t.id)continue;let{size:i}=a;(0,b.assertDefinedSize)(i),(0,g.assert)(!this.currentSegment),this.currentSegment=e;let s=this.reader.requestSlice(r.filePos,i);s instanceof Promise&&(s=await s),s&&this.readContiguousElements(s),this.currentSegment=null,t.id===b.EBMLId.Tags?e.tagsSeen=!0:t.id===b.EBMLId.Attachments&&(e.attachmentsSeen=!0)}}readContiguousElements(e,t){for(;e.remainingLength>=b.MIN_HEADER_SIZE;){let r=e.filePos;if(!this.traverseElement(e,t))return r}return e.filePos}traverseElement(e,t){let r=(0,b.readElementHeader)(e);if(!r||t&&t.includes(r.id))return!1;let{id:a,size:i}=r,s=e.filePos;switch((0,b.assertDefinedSize)(i),a){case b.EBMLId.DocType:this.isWebM="webm"===(0,b.readAsciiString)(e,i);break;case b.EBMLId.Seek:{if(!this.currentSegment)break;let t={id:-1,segmentPosition:-1};this.currentSegment.seekEntries.push(t),this.readContiguousElements(e.slice(s,i)),(-1===t.id||-1===t.segmentPosition)&&this.currentSegment.seekEntries.pop()}break;case b.EBMLId.SeekID:{let t=this.currentSegment?.seekEntries[this.currentSegment.seekEntries.length-1];if(!t)break;t.id=(0,b.readUnsignedInt)(e,i)}break;case b.EBMLId.SeekPosition:{let t=this.currentSegment?.seekEntries[this.currentSegment.seekEntries.length-1];if(!t)break;t.segmentPosition=(0,b.readUnsignedInt)(e,i)}break;case b.EBMLId.TimestampScale:if(!this.currentSegment)break;this.currentSegment.timestampScale=(0,b.readUnsignedInt)(e,i),this.currentSegment.timestampFactor=1e9/this.currentSegment.timestampScale;break;case b.EBMLId.Duration:if(!this.currentSegment)break;this.currentSegment.duration=(0,b.readFloat)(e,i);break;case b.EBMLId.TrackEntry:if(!this.currentSegment||(this.currentTrack={id:-1,segment:this.currentSegment,demuxer:this,clusterPositionCache:[],cuePoints:[],disposition:{...f.DEFAULT_TRACK_DISPOSITION},inputTrack:null,codecId:null,codecPrivate:null,defaultDuration:null,defaultDurationNs:null,name:null,languageCode:g.UNDETERMINED_LANGUAGE,decodingInstructions:[],info:null},this.readContiguousElements(e.slice(s,i)),!this.currentTrack))break;if(this.currentTrack.decodingInstructions.some(e=>e.data?.type!=="decompress"||e.scope!==l.Block||e.data.algorithm!==c.HeaderStripping)&&(console.warn(`Track #${this.currentTrack.id} has an unsupported content encoding; dropping.`),this.currentTrack=null),this.currentTrack&&-1!==this.currentTrack.id&&this.currentTrack.codecId&&this.currentTrack.info){let e=this.currentTrack.codecId.indexOf("/"),t=-1===e?this.currentTrack.codecId:this.currentTrack.codecId.slice(0,e);if("video"===this.currentTrack.info.type&&-1!==this.currentTrack.info.width&&-1!==this.currentTrack.info.height){this.currentTrack.codecId===b.CODEC_STRING_MAP.avc?(this.currentTrack.info.codec="avc",this.currentTrack.info.codecDescription=this.currentTrack.codecPrivate):this.currentTrack.codecId===b.CODEC_STRING_MAP.hevc?(this.currentTrack.info.codec="hevc",this.currentTrack.info.codecDescription=this.currentTrack.codecPrivate):t===b.CODEC_STRING_MAP.vp8?this.currentTrack.info.codec="vp8":t===b.CODEC_STRING_MAP.vp9?this.currentTrack.info.codec="vp9":t===b.CODEC_STRING_MAP.av1&&(this.currentTrack.info.codec="av1");let e=this.currentTrack,r=new(0,p.InputVideoTrack)(this.input,new x(e));this.currentTrack.inputTrack=r,this.currentSegment.tracks.push(this.currentTrack)}else if("audio"===this.currentTrack.info.type&&-1!==this.currentTrack.info.numberOfChannels&&-1!==this.currentTrack.info.sampleRate){t===b.CODEC_STRING_MAP.aac?(this.currentTrack.info.codec="aac",this.currentTrack.info.aacCodecInfo={isMpeg2:this.currentTrack.codecId.includes("MPEG2"),objectType:null},this.currentTrack.info.codecDescription=this.currentTrack.codecPrivate):this.currentTrack.codecId===b.CODEC_STRING_MAP.mp3?this.currentTrack.info.codec="mp3":t===b.CODEC_STRING_MAP.opus?(this.currentTrack.info.codec="opus",this.currentTrack.info.codecDescription=this.currentTrack.codecPrivate,this.currentTrack.info.sampleRate=h.OPUS_SAMPLE_RATE):t===b.CODEC_STRING_MAP.vorbis?(this.currentTrack.info.codec="vorbis",this.currentTrack.info.codecDescription=this.currentTrack.codecPrivate):t===b.CODEC_STRING_MAP.flac?(this.currentTrack.info.codec="flac",this.currentTrack.info.codecDescription=this.currentTrack.codecPrivate):"A_PCM/INT/LIT"===this.currentTrack.codecId?8===this.currentTrack.info.bitDepth?this.currentTrack.info.codec="pcm-u8":16===this.currentTrack.info.bitDepth?this.currentTrack.info.codec="pcm-s16":24===this.currentTrack.info.bitDepth?this.currentTrack.info.codec="pcm-s24":32===this.currentTrack.info.bitDepth&&(this.currentTrack.info.codec="pcm-s32"):"A_PCM/INT/BIG"===this.currentTrack.codecId?8===this.currentTrack.info.bitDepth?this.currentTrack.info.codec="pcm-u8":16===this.currentTrack.info.bitDepth?this.currentTrack.info.codec="pcm-s16be":24===this.currentTrack.info.bitDepth?this.currentTrack.info.codec="pcm-s24be":32===this.currentTrack.info.bitDepth&&(this.currentTrack.info.codec="pcm-s32be"):"A_PCM/FLOAT/IEEE"===this.currentTrack.codecId&&(32===this.currentTrack.info.bitDepth?this.currentTrack.info.codec="pcm-f32":64===this.currentTrack.info.bitDepth&&(this.currentTrack.info.codec="pcm-f64"));let e=this.currentTrack,r=new(0,p.InputAudioTrack)(this.input,new E(e));this.currentTrack.inputTrack=r,this.currentSegment.tracks.push(this.currentTrack)}}this.currentTrack=null;break;case b.EBMLId.TrackNumber:if(!this.currentTrack)break;this.currentTrack.id=(0,b.readUnsignedInt)(e,i);break;case b.EBMLId.TrackType:{if(!this.currentTrack)break;let t=(0,b.readUnsignedInt)(e,i);1===t?this.currentTrack.info={type:"video",width:-1,height:-1,rotation:0,codec:null,codecDescription:null,colorSpace:null,alphaMode:!1}:2===t&&(this.currentTrack.info={type:"audio",numberOfChannels:-1,sampleRate:-1,bitDepth:-1,codec:null,codecDescription:null,aacCodecInfo:null})}break;case b.EBMLId.FlagEnabled:if(!this.currentTrack)break;(0,b.readUnsignedInt)(e,i)||(this.currentTrack=null);break;case b.EBMLId.FlagDefault:if(!this.currentTrack)break;this.currentTrack.disposition.default=!!(0,b.readUnsignedInt)(e,i);break;case b.EBMLId.FlagForced:if(!this.currentTrack)break;this.currentTrack.disposition.forced=!!(0,b.readUnsignedInt)(e,i);break;case b.EBMLId.FlagOriginal:if(!this.currentTrack)break;this.currentTrack.disposition.original=!!(0,b.readUnsignedInt)(e,i);break;case b.EBMLId.FlagHearingImpaired:if(!this.currentTrack)break;this.currentTrack.disposition.hearingImpaired=!!(0,b.readUnsignedInt)(e,i);break;case b.EBMLId.FlagVisualImpaired:if(!this.currentTrack)break;this.currentTrack.disposition.visuallyImpaired=!!(0,b.readUnsignedInt)(e,i);break;case b.EBMLId.FlagCommentary:if(!this.currentTrack)break;this.currentTrack.disposition.commentary=!!(0,b.readUnsignedInt)(e,i);break;case b.EBMLId.CodecID:if(!this.currentTrack)break;this.currentTrack.codecId=(0,b.readAsciiString)(e,i);break;case b.EBMLId.CodecPrivate:if(!this.currentTrack)break;this.currentTrack.codecPrivate=(0,S.readBytes)(e,i);break;case b.EBMLId.DefaultDuration:if(!this.currentTrack)break;this.currentTrack.defaultDurationNs=(0,b.readUnsignedInt)(e,i);break;case b.EBMLId.Name:if(!this.currentTrack)break;this.currentTrack.name=(0,b.readUnicodeString)(e,i);break;case b.EBMLId.Language:if(!this.currentTrack||this.currentTrack.languageCode!==g.UNDETERMINED_LANGUAGE)break;this.currentTrack.languageCode=(0,b.readAsciiString)(e,i),(0,g.isIso639Dash2LanguageCode)(this.currentTrack.languageCode)||(this.currentTrack.languageCode=g.UNDETERMINED_LANGUAGE);break;case b.EBMLId.LanguageBCP47:{if(!this.currentTrack)break;let t=(0,b.readAsciiString)(e,i).split("-")[0];t?this.currentTrack.languageCode=t:this.currentTrack.languageCode=g.UNDETERMINED_LANGUAGE}break;case b.EBMLId.Video:if(this.currentTrack?.info?.type!=="video")break;this.readContiguousElements(e.slice(s,i));break;case b.EBMLId.PixelWidth:if(this.currentTrack?.info?.type!=="video")break;this.currentTrack.info.width=(0,b.readUnsignedInt)(e,i);break;case b.EBMLId.PixelHeight:if(this.currentTrack?.info?.type!=="video")break;this.currentTrack.info.height=(0,b.readUnsignedInt)(e,i);break;case b.EBMLId.AlphaMode:if(this.currentTrack?.info?.type!=="video")break;this.currentTrack.info.alphaMode=1===(0,b.readUnsignedInt)(e,i);break;case b.EBMLId.Colour:if(this.currentTrack?.info?.type!=="video")break;this.currentTrack.info.colorSpace={},this.readContiguousElements(e.slice(s,i));break;case b.EBMLId.MatrixCoefficients:{if(this.currentTrack?.info?.type!=="video"||!this.currentTrack.info.colorSpace)break;let t=(0,b.readUnsignedInt)(e,i),r=g.MATRIX_COEFFICIENTS_MAP_INVERSE[t]??null;this.currentTrack.info.colorSpace.matrix=r}break;case b.EBMLId.Range:if(this.currentTrack?.info?.type!=="video"||!this.currentTrack.info.colorSpace)break;this.currentTrack.info.colorSpace.fullRange=2===(0,b.readUnsignedInt)(e,i);break;case b.EBMLId.TransferCharacteristics:{if(this.currentTrack?.info?.type!=="video"||!this.currentTrack.info.colorSpace)break;let t=(0,b.readUnsignedInt)(e,i),r=g.TRANSFER_CHARACTERISTICS_MAP_INVERSE[t]??null;this.currentTrack.info.colorSpace.transfer=r}break;case b.EBMLId.Primaries:{if(this.currentTrack?.info?.type!=="video"||!this.currentTrack.info.colorSpace)break;let t=(0,b.readUnsignedInt)(e,i),r=g.COLOR_PRIMARIES_MAP_INVERSE[t]??null;this.currentTrack.info.colorSpace.primaries=r}break;case b.EBMLId.Projection:if(this.currentTrack?.info?.type!=="video")break;this.readContiguousElements(e.slice(s,i));break;case b.EBMLId.ProjectionPoseRoll:{if(this.currentTrack?.info?.type!=="video")break;let t=(0,b.readFloat)(e,i);try{this.currentTrack.info.rotation=(0,g.normalizeRotation)(-t)}catch{}}break;case b.EBMLId.Audio:if(this.currentTrack?.info?.type!=="audio")break;this.readContiguousElements(e.slice(s,i));break;case b.EBMLId.SamplingFrequency:if(this.currentTrack?.info?.type!=="audio")break;this.currentTrack.info.sampleRate=(0,b.readFloat)(e,i);break;case b.EBMLId.Channels:if(this.currentTrack?.info?.type!=="audio")break;this.currentTrack.info.numberOfChannels=(0,b.readUnsignedInt)(e,i);break;case b.EBMLId.BitDepth:if(this.currentTrack?.info?.type!=="audio")break;this.currentTrack.info.bitDepth=(0,b.readUnsignedInt)(e,i);break;case b.EBMLId.CuePoint:if(!this.currentSegment)break;this.readContiguousElements(e.slice(s,i)),this.currentCueTime=null;break;case b.EBMLId.CueTime:this.currentCueTime=(0,b.readUnsignedInt)(e,i);break;case b.EBMLId.CueTrackPositions:{if(null===this.currentCueTime)break;(0,g.assert)(this.currentSegment);let t={time:this.currentCueTime,trackId:-1,clusterPosition:-1};this.currentSegment.cuePoints.push(t),this.readContiguousElements(e.slice(s,i)),(-1===t.trackId||-1===t.clusterPosition)&&this.currentSegment.cuePoints.pop()}break;case b.EBMLId.CueTrack:{let t=this.currentSegment?.cuePoints[this.currentSegment.cuePoints.length-1];if(!t)break;t.trackId=(0,b.readUnsignedInt)(e,i)}break;case b.EBMLId.CueClusterPosition:{let t=this.currentSegment?.cuePoints[this.currentSegment.cuePoints.length-1];if(!t)break;(0,g.assert)(this.currentSegment),t.clusterPosition=this.currentSegment.dataStartPos+(0,b.readUnsignedInt)(e,i)}break;case b.EBMLId.Timestamp:if(!this.currentCluster)break;this.currentCluster.timestamp=(0,b.readUnsignedInt)(e,i);break;case b.EBMLId.SimpleBlock:{if(!this.currentCluster)break;let t=(0,b.readVarInt)(e);if(null===t)break;let r=this.getTrackDataInCluster(this.currentCluster,t);if(!r)break;let a=(0,S.readI16Be)(e),n=(0,S.readU8)(e),o=!!(128&n);r.track.info?.type==="audio"&&r.track.info.codec&&(o=!0);let l=(0,S.readBytes)(e,i-(e.filePos-s)),c=r.track.decodingInstructions.length>0;r.blocks.push({timestamp:a,duration:0,isKeyFrame:o,data:l,lacing:n>>1&3,decoded:!c,mainAdditional:null})}break;case b.EBMLId.BlockGroup:if(!this.currentCluster)break;this.readContiguousElements(e.slice(s,i)),this.currentBlock=null;break;case b.EBMLId.Block:{if(!this.currentCluster)break;let t=(0,b.readVarInt)(e);if(null===t)break;let r=this.getTrackDataInCluster(this.currentCluster,t);if(!r)break;let a=(0,S.readI16Be)(e),n=(0,S.readU8)(e),o=(0,S.readBytes)(e,i-(e.filePos-s)),l=r.track.decodingInstructions.length>0;this.currentBlock={timestamp:a,duration:0,isKeyFrame:!0,data:o,lacing:n>>1&3,decoded:!l,mainAdditional:null},r.blocks.push(this.currentBlock)}break;case b.EBMLId.BlockAdditions:this.readContiguousElements(e.slice(s,i));break;case b.EBMLId.BlockMore:if(!this.currentBlock)break;this.currentBlockAdditional={addId:1,data:null},this.readContiguousElements(e.slice(s,i)),this.currentBlockAdditional.data&&1===this.currentBlockAdditional.addId&&(this.currentBlock.mainAdditional=this.currentBlockAdditional.data),this.currentBlockAdditional=null;break;case b.EBMLId.BlockAdditional:if(!this.currentBlockAdditional)break;this.currentBlockAdditional.data=(0,S.readBytes)(e,i);break;case b.EBMLId.BlockAddID:if(!this.currentBlockAdditional)break;this.currentBlockAdditional.addId=(0,b.readUnsignedInt)(e,i);break;case b.EBMLId.BlockDuration:if(!this.currentBlock)break;this.currentBlock.duration=(0,b.readUnsignedInt)(e,i);break;case b.EBMLId.ReferenceBlock:if(!this.currentBlock)break;this.currentBlock.isKeyFrame=!1;break;case b.EBMLId.Tag:this.currentTagTargetIsMovie=!0,this.readContiguousElements(e.slice(s,i));break;case b.EBMLId.Targets:this.readContiguousElements(e.slice(s,i));break;case b.EBMLId.TargetTypeValue:50!==(0,b.readUnsignedInt)(e,i)&&(this.currentTagTargetIsMovie=!1);break;case b.EBMLId.TagTrackUID:case b.EBMLId.TagEditionUID:case b.EBMLId.TagChapterUID:case b.EBMLId.TagAttachmentUID:this.currentTagTargetIsMovie=!1;break;case b.EBMLId.SimpleTag:if(!this.currentTagTargetIsMovie)break;this.currentSimpleTagName=null,this.readContiguousElements(e.slice(s,i));break;case b.EBMLId.TagName:this.currentSimpleTagName=(0,b.readUnicodeString)(e,i);break;case b.EBMLId.TagString:{if(!this.currentSimpleTagName)break;let t=(0,b.readUnicodeString)(e,i);this.processTagValue(this.currentSimpleTagName,t)}break;case b.EBMLId.TagBinary:{if(!this.currentSimpleTagName)break;let t=(0,S.readBytes)(e,i);this.processTagValue(this.currentSimpleTagName,t)}break;case b.EBMLId.AttachedFile:{if(!this.currentSegment)break;this.currentAttachedFile={fileUid:null,fileName:null,fileMediaType:null,fileData:null,fileDescription:null},this.readContiguousElements(e.slice(s,i));let t=this.currentSegment.metadataTags;if(this.currentAttachedFile.fileUid&&this.currentAttachedFile.fileData&&(t.raw??={},t.raw[this.currentAttachedFile.fileUid.toString()]=new(0,f.AttachedFile)(this.currentAttachedFile.fileData,this.currentAttachedFile.fileMediaType??void 0,this.currentAttachedFile.fileName??void 0,this.currentAttachedFile.fileDescription??void 0)),this.currentAttachedFile.fileMediaType?.startsWith("image/")&&this.currentAttachedFile.fileData){let e=this.currentAttachedFile.fileName,r="unknown";if(e){let t=e.toLowerCase();t.startsWith("cover.")?r="coverFront":t.startsWith("back.")&&(r="coverBack")}t.images??=[],t.images.push({data:this.currentAttachedFile.fileData,mimeType:this.currentAttachedFile.fileMediaType,kind:r,name:this.currentAttachedFile.fileName??void 0,description:this.currentAttachedFile.fileDescription??void 0})}this.currentAttachedFile=null}break;case b.EBMLId.FileUID:if(!this.currentAttachedFile)break;this.currentAttachedFile.fileUid=(0,b.readUnsignedBigInt)(e,i);break;case b.EBMLId.FileName:if(!this.currentAttachedFile)break;this.currentAttachedFile.fileName=(0,b.readUnicodeString)(e,i);break;case b.EBMLId.FileMediaType:if(!this.currentAttachedFile)break;this.currentAttachedFile.fileMediaType=(0,b.readAsciiString)(e,i);break;case b.EBMLId.FileData:if(!this.currentAttachedFile)break;this.currentAttachedFile.fileData=(0,S.readBytes)(e,i);break;case b.EBMLId.FileDescription:if(!this.currentAttachedFile)break;this.currentAttachedFile.fileDescription=(0,b.readUnicodeString)(e,i);break;case b.EBMLId.ContentEncodings:if(!this.currentTrack)break;this.readContiguousElements(e.slice(s,i)),this.currentTrack.decodingInstructions.sort((e,t)=>t.order-e.order);break;case b.EBMLId.ContentEncoding:this.currentDecodingInstruction={order:0,scope:l.Block,data:null},this.readContiguousElements(e.slice(s,i)),this.currentDecodingInstruction.data&&this.currentTrack.decodingInstructions.push(this.currentDecodingInstruction),this.currentDecodingInstruction=null;break;case b.EBMLId.ContentEncodingOrder:if(!this.currentDecodingInstruction)break;this.currentDecodingInstruction.order=(0,b.readUnsignedInt)(e,i);break;case b.EBMLId.ContentEncodingScope:if(!this.currentDecodingInstruction)break;this.currentDecodingInstruction.scope=(0,b.readUnsignedInt)(e,i);break;case b.EBMLId.ContentCompression:if(!this.currentDecodingInstruction)break;this.currentDecodingInstruction.data={type:"decompress",algorithm:c.Zlib,settings:null},this.readContiguousElements(e.slice(s,i));break;case b.EBMLId.ContentCompAlgo:if(this.currentDecodingInstruction?.data?.type!=="decompress")break;this.currentDecodingInstruction.data.algorithm=(0,b.readUnsignedInt)(e,i);break;case b.EBMLId.ContentCompSettings:if(this.currentDecodingInstruction?.data?.type!=="decompress")break;this.currentDecodingInstruction.data.settings=(0,S.readBytes)(e,i);break;case b.EBMLId.ContentEncryption:if(!this.currentDecodingInstruction)break;this.currentDecodingInstruction.data={type:"decrypt"}}return e.filePos=s+i,!0}decodeBlockData(e,t){(0,g.assert)(e.decodingInstructions.length>0);let r=t;for(let t of e.decodingInstructions)if((0,g.assert)(t.data),"decompress"===t.data.type&&t.data.algorithm===c.HeaderStripping&&t.data.settings&&t.data.settings.length>0){let e=t.data.settings,a=new Uint8Array(e.length+r.length);a.set(e,0),a.set(r,e.length),r=a}return r}processTagValue(e,t){if(!this.currentSegment?.metadataTags)return;let r=this.currentSegment.metadataTags;if(r.raw??={},r.raw[e]??=t,"string"==typeof t)switch(e.toLowerCase()){case"title":r.title??=t;break;case"description":r.description??=t;break;case"artist":r.artist??=t;break;case"album":r.album??=t;break;case"album_artist":r.albumArtist??=t;break;case"genre":r.genre??=t;break;case"comment":r.comment??=t;break;case"lyrics":r.lyrics??=t;break;case"date":{let e=new Date(t);Number.isNaN(e.getTime())||(r.date??=e)}break;case"track_number":case"part_number":{let e=t.split("/"),a=Number.parseInt(e[0],10),i=e[1]&&Number.parseInt(e[1],10);Number.isInteger(a)&&a>0&&(r.trackNumber??=a),i&&Number.isInteger(i)&&i>0&&(r.tracksTotal??=i)}break;case"disc_number":case"disc":{let e=t.split("/"),a=Number.parseInt(e[0],10),i=e[1]&&Number.parseInt(e[1],10);Number.isInteger(a)&&a>0&&(r.discNumber??=a),i&&Number.isInteger(i)&&i>0&&(r.discsTotal??=i)}}}}class w{constructor(e){this.internalTrack=e,this.packetToClusterLocation=new WeakMap}getId(){return this.internalTrack.id}getNumber(){let e=this.internalTrack.demuxer,t=this.internalTrack.inputTrack.type,r=0;for(let a of e.segments)for(let e of a.tracks)if(e.inputTrack.type===t&&r++,e===this.internalTrack)break;return r}getCodec(){throw Error("Not implemented on base class.")}getInternalCodecId(){return this.internalTrack.codecId}async computeDuration(){let e=await this.getPacket(1/0,{metadataOnly:!0});return(e?.timestamp??0)+(e?.duration??0)}getName(){return this.internalTrack.name}getLanguageCode(){return this.internalTrack.languageCode}async getFirstTimestamp(){let e=await this.getFirstPacket({metadataOnly:!0});return e?.timestamp??0}getTimeResolution(){return this.internalTrack.segment.timestampFactor}getDisposition(){return this.internalTrack.disposition}async getFirstPacket(e){return this.performClusterLookup(null,e=>e.trackData.get(this.internalTrack.id)?{blockIndex:0,correctBlockFound:!0}:{blockIndex:-1,correctBlockFound:!1},-1/0,1/0,e)}intoTimescale(e){return(0,g.roundIfAlmostInteger)(e*this.internalTrack.segment.timestampFactor)}async getPacket(e,t){let r=this.intoTimescale(e);return this.performClusterLookup(null,e=>{let t=e.trackData.get(this.internalTrack.id);if(!t)return{blockIndex:-1,correctBlockFound:!1};let a=(0,g.binarySearchLessOrEqual)(t.presentationTimestamps,r,e=>e.timestamp);return{blockIndex:-1!==a?t.presentationTimestamps[a].blockIndex:-1,correctBlockFound:-1!==a&&r<t.endTimestamp}},r,r,t)}async getNextPacket(e,t){let r=this.packetToClusterLocation.get(e);if(void 0===r)throw Error("Packet was not created from this track.");return this.performClusterLookup(r.cluster,e=>{if(e===r.cluster){let t=e.trackData.get(this.internalTrack.id);if(r.blockIndex+1<t.blocks.length)return{blockIndex:r.blockIndex+1,correctBlockFound:!0}}else if(e.trackData.get(this.internalTrack.id))return{blockIndex:0,correctBlockFound:!0};return{blockIndex:-1,correctBlockFound:!1}},-1/0,1/0,t)}async getKeyPacket(e,t){let r=this.intoTimescale(e);return this.performClusterLookup(null,e=>{let t=e.trackData.get(this.internalTrack.id);if(!t)return{blockIndex:-1,correctBlockFound:!1};let a=(0,g.findLastIndex)(t.presentationTimestamps,e=>t.blocks[e.blockIndex].isKeyFrame&&e.timestamp<=r);return{blockIndex:-1!==a?t.presentationTimestamps[a].blockIndex:-1,correctBlockFound:-1!==a&&r<t.endTimestamp}},r,r,t)}async getNextKeyPacket(e,t){let r=this.packetToClusterLocation.get(e);if(void 0===r)throw Error("Packet was not created from this track.");return this.performClusterLookup(r.cluster,e=>{if(e===r.cluster){let t=e.trackData.get(this.internalTrack.id).blocks.findIndex((e,t)=>e.isKeyFrame&&t>r.blockIndex);if(-1!==t)return{blockIndex:t,correctBlockFound:!0}}else{let t=e.trackData.get(this.internalTrack.id);if(t&&null!==t.firstKeyFrameTimestamp){let e=t.blocks.findIndex(e=>e.isKeyFrame);return(0,g.assert)(-1!==e),{blockIndex:e,correctBlockFound:!0}}}return{blockIndex:-1,correctBlockFound:!1}},-1/0,1/0,t)}async fetchPacketInCluster(e,t,r){if(-1===t)return null;let a=e.trackData.get(this.internalTrack.id).blocks[t];(0,g.assert)(a),a.decoded||(a.data=this.internalTrack.demuxer.decodeBlockData(this.internalTrack,a.data),a.decoded=!0);let i=r.metadataOnly?k.PLACEHOLDER_DATA:a.data,s=a.timestamp/this.internalTrack.segment.timestampFactor,n=a.duration/this.internalTrack.segment.timestampFactor,o={};a.mainAdditional&&this.internalTrack.info?.type==="video"&&this.internalTrack.info.alphaMode&&(o.alpha=r.metadataOnly?k.PLACEHOLDER_DATA:a.mainAdditional,o.alphaByteLength=a.mainAdditional.byteLength);let l=new(0,k.EncodedPacket)(i,a.isKeyFrame?"key":"delta",s,n,e.dataStartPos+t,a.data.byteLength,o);return this.packetToClusterLocation.set(l,{cluster:e,blockIndex:t}),l}async performClusterLookup(e,t,r,a,i){let s,{demuxer:n,segment:o}=this.internalTrack,l=null,c=null,d=-1;if(e){let{blockIndex:r,correctBlockFound:a}=t(e);if(a)return this.fetchPacketInCluster(e,r,i);-1!==r&&(c=e,d=r)}let u=(0,g.binarySearchLessOrEqual)(this.internalTrack.cuePoints,r,e=>e.time),h=-1!==u?this.internalTrack.cuePoints[u]:null,m=(0,g.binarySearchLessOrEqual)(this.internalTrack.clusterPositionCache,r,e=>e.startTimestamp),p=-1!==m?this.internalTrack.clusterPositionCache[m]:null,f=Math.max(h?.clusterPosition??0,p?.elementStartPos??0)||null;for(e?null===f||e.elementStartPos>=f?(s=e.elementEndPos,l=e):s=f:s=f??o.clusterSeekStartPos;null===o.elementEndPos||s<=o.elementEndPos-b.MIN_HEADER_SIZE;){if(l){let e=l.trackData.get(this.internalTrack.id);if(e&&e.startTimestamp>a)break}let e=n.reader.requestSliceRange(s,b.MIN_HEADER_SIZE,b.MAX_HEADER_SIZE);if(e instanceof Promise&&(e=await e),!e)break;let r=s,u=(0,b.readElementHeader)(e);if(!u||!b.LEVEL_1_EBML_IDS.includes(u.id)&&u.id!==b.EBMLId.Void){let e=await (0,b.resync)(n.reader,r,b.LEVEL_1_EBML_IDS,Math.min(o.elementEndPos??1/0,r+0xa00000));if(e){s=e;continue}break}let h=u.id,m=u.size,p=e.filePos;if(h===b.EBMLId.Cluster){m=(l=await n.readCluster(r,o)).elementEndPos-p;let{blockIndex:e,correctBlockFound:a}=t(l);if(a)return this.fetchPacketInCluster(l,e,i);-1!==e&&(c=l,d=e)}void 0===m&&((0,g.assert)(h!==b.EBMLId.Cluster),m=(await (0,b.searchForNextElementId)(n.reader,p,b.LEVEL_0_AND_1_EBML_IDS,o.elementEndPos)).pos-p);let f=p+m;if(null===o.elementEndPos){let e=n.reader.requestSliceRange(f,b.MIN_HEADER_SIZE,b.MAX_HEADER_SIZE);if(e instanceof Promise&&(e=await e),!e)break;if((0,b.readElementId)(e)===b.EBMLId.Segment){o.elementEndPos=f;break}}s=f}if(h&&(!c||c.elementStartPos<h.clusterPosition)){let e=this.internalTrack.cuePoints[u-1];(0,g.assert)(!e||e.time<h.time);let r=e?.time??-1/0;return this.performClusterLookup(null,t,r,a,i)}return c?this.fetchPacketInCluster(c,d,i):null}}class x extends w{constructor(e){super(e),this.decoderConfigPromise=null,this.internalTrack=e}getCodec(){return this.internalTrack.info.codec}getCodedWidth(){return this.internalTrack.info.width}getCodedHeight(){return this.internalTrack.info.height}getRotation(){return this.internalTrack.info.rotation}async getColorSpace(){return{primaries:this.internalTrack.info.colorSpace?.primaries,transfer:this.internalTrack.info.colorSpace?.transfer,matrix:this.internalTrack.info.colorSpace?.matrix,fullRange:this.internalTrack.info.colorSpace?.fullRange}}async canBeTransparent(){return this.internalTrack.info.alphaMode}async getDecoderConfig(){return this.internalTrack.info.codec?this.decoderConfigPromise??=(async()=>{let e=null;return"vp9"!==this.internalTrack.info.codec&&"av1"!==this.internalTrack.info.codec&&("avc"!==this.internalTrack.info.codec||this.internalTrack.info.codecDescription)&&("hevc"!==this.internalTrack.info.codec||this.internalTrack.info.codecDescription)||(e=await this.getFirstPacket({})),{codec:(0,h.extractVideoCodecString)({width:this.internalTrack.info.width,height:this.internalTrack.info.height,codec:this.internalTrack.info.codec,codecDescription:this.internalTrack.info.codecDescription,colorSpace:this.internalTrack.info.colorSpace,avcType:1,avcCodecInfo:"avc"===this.internalTrack.info.codec&&e?(0,u.extractAvcDecoderConfigurationRecord)(e.data):null,hevcCodecInfo:"hevc"===this.internalTrack.info.codec&&e?(0,u.extractHevcDecoderConfigurationRecord)(e.data):null,vp9CodecInfo:"vp9"===this.internalTrack.info.codec&&e?(0,u.extractVp9CodecInfoFromPacket)(e.data):null,av1CodecInfo:"av1"===this.internalTrack.info.codec&&e?(0,u.extractAv1CodecInfoFromPacket)(e.data):null}),codedWidth:this.internalTrack.info.width,codedHeight:this.internalTrack.info.height,description:this.internalTrack.info.codecDescription??void 0,colorSpace:this.internalTrack.info.colorSpace??void 0}})():null}}class E extends w{constructor(e){super(e),this.decoderConfig=null,this.internalTrack=e}getCodec(){return this.internalTrack.info.codec}getNumberOfChannels(){return this.internalTrack.info.numberOfChannels}getSampleRate(){return this.internalTrack.info.sampleRate}async getDecoderConfig(){return this.internalTrack.info.codec?this.decoderConfig??={codec:(0,h.extractAudioCodecString)({codec:this.internalTrack.info.codec,codecDescription:this.internalTrack.info.codecDescription,aacCodecInfo:this.internalTrack.info.aacCodecInfo}),numberOfChannels:this.internalTrack.info.numberOfChannels,sampleRate:this.internalTrack.info.sampleRate,description:this.internalTrack.info.codecDescription??void 0}:null}}},{"../codec-data.js":"zx4dz","../codec.js":"4GUiq","../demuxer.js":"73Qqp","../input-track.js":"aU0uf","../metadata.js":"1RzS5","../misc.js":"jrq2g","../packet.js":"8dQhf","./ebml.js":"4qt3Y","./matroska-misc.js":"civYS","../reader.js":"6AkKg","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],civYS:[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"buildMatroskaMimeType",()=>s);let s=e=>{let t=(e.hasVideo?"video/":e.hasAudio?"audio/":"application/")+(e.isWebM?"webm":"x-matroska");if(e.codecStrings.length>0){let r=[...new Set(e.codecStrings.filter(Boolean))];t+=`; codecs="${r.join(", ")}"`}return t}},{"@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],"1xfyp":[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"Mp3Demuxer",()=>p);var s=e("../demuxer.js"),n=e("../input-track.js"),o=e("../metadata.js"),l=e("../misc.js"),c=e("../packet.js"),d=e("../../shared/mp3-misc.js"),u=e("../id3.js"),h=e("./mp3-reader.js"),m=e("../reader.js");class p extends s.Demuxer{constructor(e){super(e),this.metadataPromise=null,this.firstFrameHeader=null,this.loadedSamples=[],this.metadataTags=null,this.tracks=[],this.readingMutex=new(0,l.AsyncMutex),this.lastSampleLoaded=!1,this.lastLoadedPos=0,this.nextTimestampInSamples=0,this.reader=e._reader}async readMetadata(){return this.metadataPromise??=(async()=>{for(;!this.firstFrameHeader&&!this.lastSampleLoaded;)await this.advanceReader();if(!this.firstFrameHeader)throw Error("No valid MP3 frame found.");this.tracks=[new(0,n.InputAudioTrack)(this.input,new f(this))]})()}async advanceReader(){if(0===this.lastLoadedPos)for(;;){let e=this.reader.requestSlice(this.lastLoadedPos,u.ID3_V2_HEADER_SIZE);if(e instanceof Promise&&(e=await e),!e){this.lastSampleLoaded=!0;return}let t=(0,u.readId3V2Header)(e);if(!t)break;this.lastLoadedPos=e.filePos+t.size}let e=await (0,h.readNextMp3FrameHeader)(this.reader,this.lastLoadedPos,this.reader.fileSize);if(!e){this.lastSampleLoaded=!0;return}let t=e.header;this.lastLoadedPos=e.startPos+t.totalSize-1;let r=(0,d.getXingOffset)(t.mpegVersionId,t.channel),a=this.reader.requestSlice(e.startPos+r,4);if(a instanceof Promise&&(a=await a),a){let e=(0,m.readU32Be)(a);if(e===d.XING||e===d.INFO)return}this.firstFrameHeader||(this.firstFrameHeader=t),t.sampleRate!==this.firstFrameHeader.sampleRate&&console.warn(`MP3 changed sample rate mid-file: ${this.firstFrameHeader.sampleRate} Hz to ${t.sampleRate} Hz. Might be a bug, so please report this file.`);let i=t.audioSamplesInFrame/this.firstFrameHeader.sampleRate,s={timestamp:this.nextTimestampInSamples/this.firstFrameHeader.sampleRate,duration:i,dataStart:e.startPos,dataSize:t.totalSize};this.loadedSamples.push(s),this.nextTimestampInSamples+=t.audioSamplesInFrame}async getMimeType(){return"audio/mpeg"}async getTracks(){return await this.readMetadata(),this.tracks}async computeDuration(){await this.readMetadata();let e=this.tracks[0];return(0,l.assert)(e),e.computeDuration()}async getMetadataTags(){let e=await this.readingMutex.acquire();try{if(await this.readMetadata(),this.metadataTags)return this.metadataTags;this.metadataTags={};let e=0,t=!1;for(;;){let r=this.reader.requestSlice(e,u.ID3_V2_HEADER_SIZE);if(r instanceof Promise&&(r=await r),!r)break;let a=(0,u.readId3V2Header)(r);if(!a)break;t=!0;let i=this.reader.requestSlice(r.filePos,a.size);if(i instanceof Promise&&(i=await i),!i)break;(0,u.parseId3V2Tag)(i,a,this.metadataTags),e=r.filePos+a.size}if(!t&&null!==this.reader.fileSize&&this.reader.fileSize>=u.ID3_V1_TAG_SIZE){let e=this.reader.requestSlice(this.reader.fileSize-u.ID3_V1_TAG_SIZE,u.ID3_V1_TAG_SIZE);e instanceof Promise&&(e=await e),(0,l.assert)(e);let t=(0,m.readAscii)(e,3);"TAG"===t&&(0,u.parseId3V1Tag)(e,this.metadataTags)}return this.metadataTags}finally{e()}}}class f{constructor(e){this.demuxer=e}getId(){return 1}getNumber(){return 1}async getFirstTimestamp(){return 0}getTimeResolution(){return(0,l.assert)(this.demuxer.firstFrameHeader),this.demuxer.firstFrameHeader.sampleRate/this.demuxer.firstFrameHeader.audioSamplesInFrame}async computeDuration(){let e=await this.getPacket(1/0,{metadataOnly:!0});return(e?.timestamp??0)+(e?.duration??0)}getName(){return null}getLanguageCode(){return l.UNDETERMINED_LANGUAGE}getCodec(){return"mp3"}getInternalCodecId(){return null}getNumberOfChannels(){return(0,l.assert)(this.demuxer.firstFrameHeader),3===this.demuxer.firstFrameHeader.channel?1:2}getSampleRate(){return(0,l.assert)(this.demuxer.firstFrameHeader),this.demuxer.firstFrameHeader.sampleRate}getDisposition(){return{...o.DEFAULT_TRACK_DISPOSITION}}async getDecoderConfig(){return(0,l.assert)(this.demuxer.firstFrameHeader),{codec:"mp3",numberOfChannels:3===this.demuxer.firstFrameHeader.channel?1:2,sampleRate:this.demuxer.firstFrameHeader.sampleRate}}async getPacketAtIndex(e,t){let r;if(-1===e)return null;let a=this.demuxer.loadedSamples[e];if(!a)return null;if(t.metadataOnly)r=c.PLACEHOLDER_DATA;else{let e=this.demuxer.reader.requestSlice(a.dataStart,a.dataSize);if(e instanceof Promise&&(e=await e),!e)return null;r=(0,m.readBytes)(e,a.dataSize)}return new(0,c.EncodedPacket)(r,"key",a.timestamp,a.duration,e,a.dataSize)}getFirstPacket(e){return this.getPacketAtIndex(0,e)}async getNextPacket(e,t){let r=await this.demuxer.readingMutex.acquire();try{let r=(0,l.binarySearchExact)(this.demuxer.loadedSamples,e.timestamp,e=>e.timestamp);if(-1===r)throw Error("Packet was not created from this track.");let a=r+1;for(;a>=this.demuxer.loadedSamples.length&&!this.demuxer.lastSampleLoaded;)await this.demuxer.advanceReader();return this.getPacketAtIndex(a,t)}finally{r()}}async getPacket(e,t){let r=await this.demuxer.readingMutex.acquire();try{for(;;){let r=(0,l.binarySearchLessOrEqual)(this.demuxer.loadedSamples,e,e=>e.timestamp);if(-1===r&&this.demuxer.loadedSamples.length>0)return null;if(this.demuxer.lastSampleLoaded||r>=0&&r+1<this.demuxer.loadedSamples.length)return this.getPacketAtIndex(r,t);await this.demuxer.advanceReader()}}finally{r()}}getKeyPacket(e,t){return this.getPacket(e,t)}getNextKeyPacket(e,t){return this.getNextPacket(e,t)}}},{"../demuxer.js":"73Qqp","../input-track.js":"aU0uf","../metadata.js":"1RzS5","../misc.js":"jrq2g","../packet.js":"8dQhf","../../shared/mp3-misc.js":"jGy7Y","../id3.js":"8coNE","./mp3-reader.js":"ixvHZ","../reader.js":"6AkKg","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],jGy7Y:[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"FRAME_HEADER_SIZE",()=>s),i.export(r,"SAMPLING_RATES",()=>n),i.export(r,"KILOBIT_RATES",()=>o),i.export(r,"XING",()=>l),i.export(r,"INFO",()=>c),i.export(r,"computeMp3FrameSize",()=>d),i.export(r,"getXingOffset",()=>u),i.export(r,"readMp3FrameHeader",()=>h),i.export(r,"encodeSynchsafe",()=>m),i.export(r,"decodeSynchsafe",()=>p);let s=4,n=[44100,48e3,32e3],o=[-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,32,40,48,56,64,80,96,112,128,160,192,224,256,320,-1,-1,32,48,56,64,80,96,112,128,160,192,224,256,320,384,-1,-1,32,64,96,128,160,192,224,256,288,320,352,384,416,448,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,8,16,24,32,40,48,56,64,80,96,112,128,144,160,-1,-1,8,16,24,32,40,48,56,64,80,96,112,128,144,160,-1,-1,32,48,56,64,80,96,112,128,144,160,176,192,224,256,-1],l=0x58696e67,c=0x496e666f,d=(e,t,r,a,i)=>0===t?0:1===t?Math.floor(144*r/(a<<e))+i:2===t?Math.floor(144*r/a)+i:(Math.floor(12*r/a)+i)*4,u=(e,t)=>3===e?3===t?21:36:3===t?13:21,h=(e,t)=>{let r,a=e>>>24,i=e>>>16&255,s=e>>>8&255,l=255&e;if(255!==a&&255!==i&&255!==s&&255!==l)return{header:null,bytesAdvanced:4};if(255!==a||(224&i)!=224)return{header:null,bytesAdvanced:1};let c=0,u=0;16&i?c=8&i?0:1:(c=1,u=1);let h=i>>3&3,m=i>>1&3,p=(s>>2&3)%3,f=o[64*c+16*m+(s>>4&15)];if(-1===f)return{header:null,bytesAdvanced:1};let g=1e3*f,k=n[p]>>c+u,b=d(c,m,g,k,s>>1&1);return null!==t&&t<b?{header:null,bytesAdvanced:1}:(r=3===h?3===m?384:1152:3===m?384:2===m?1152:576,{header:{totalSize:b,mpegVersionId:h,layer:m,bitrate:g,frequencyIndex:p,sampleRate:k,channel:l>>6&3,modeExtension:l>>4&3,copyright:l>>3&1,original:l>>2&1,emphasis:3&l,audioSamplesInFrame:r},bytesAdvanced:1})},m=e=>{let t=127,r=0,a=e;for(;(0x7fffffff^t)!=0;)r=(a&~t)<<1|a&t,t=(t+1<<8)-1,a=r;return r},p=e=>{let t=0x7f000000,r=0;for(;0!==t;)r>>=1,r|=e&t,t>>=8;return r}},{"@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],"8coNE":[function(e,t,r,a){var i,s,n,o,l=e("@parcel/transformer-js/src/esmodule-helpers.js");l.defineInteropFlag(r),l.export(r,"Id3V2HeaderFlags",()=>n),l.export(r,"Id3V2TextEncoding",()=>o),l.export(r,"ID3_V1_TAG_SIZE",()=>h),l.export(r,"ID3_V2_HEADER_SIZE",()=>m),l.export(r,"ID3_V1_GENRES",()=>p),l.export(r,"parseId3V1Tag",()=>f),l.export(r,"readId3V1String",()=>g),l.export(r,"readId3V2Header",()=>k),l.export(r,"parseId3V2Tag",()=>b),l.export(r,"Id3V2Reader",()=>y),l.export(r,"Id3V2Writer",()=>S);var c=e("../shared/mp3-misc.js"),d=e("./misc.js"),u=e("./reader.js");(i=n||(n={}))[i.Unsynchronisation=128]="Unsynchronisation",i[i.ExtendedHeader=64]="ExtendedHeader",i[i.ExperimentalIndicator=32]="ExperimentalIndicator",i[i.Footer=16]="Footer",(s=o||(o={}))[s.ISO_8859_1=0]="ISO_8859_1",s[s.UTF_16_WITH_BOM=1]="UTF_16_WITH_BOM",s[s.UTF_16_BE_NO_BOM=2]="UTF_16_BE_NO_BOM",s[s.UTF_8=3]="UTF_8";let h=128,m=10,p=["Blues","Classic rock","Country","Dance","Disco","Funk","Grunge","Hip-hop","Jazz","Metal","New age","Oldies","Other","Pop","Rhythm and blues","Rap","Reggae","Rock","Techno","Industrial","Alternative","Ska","Death metal","Pranks","Soundtrack","Euro-techno","Ambient","Trip-hop","Vocal","Jazz & funk","Fusion","Trance","Classical","Instrumental","Acid","House","Game","Sound clip","Gospel","Noise","Alternative rock","Bass","Soul","Punk","Space","Meditative","Instrumental pop","Instrumental rock","Ethnic","Gothic","Darkwave","Techno-industrial","Electronic","Pop-folk","Eurodance","Dream","Southern rock","Comedy","Cult","Gangsta","Top 40","Christian rap","Pop/funk","Jungle music","Native US","Cabaret","New wave","Psychedelic","Rave","Showtunes","Trailer","Lo-fi","Tribal","Acid punk","Acid jazz","Polka","Retro","Musical","Rock 'n' roll","Hard rock","Folk","Folk rock","National folk","Swing","Fast fusion","Bebop","Latin","Revival","Celtic","Bluegrass","Avantgarde","Gothic rock","Progressive rock","Psychedelic rock","Symphonic rock","Slow rock","Big band","Chorus","Easy listening","Acoustic","Humour","Speech","Chanson","Opera","Chamber music","Sonata","Symphony","Booty bass","Primus","Porn groove","Satire","Slow jam","Club","Tango","Samba","Folklore","Ballad","Power ballad","Rhythmic Soul","Freestyle","Duet","Punk rock","Drum solo","A cappella","Euro-house","Dance hall","Goa music","Drum & bass","Club-house","Hardcore techno","Terror","Indie","Britpop","Negerpunk","Polsk punk","Beat","Christian gangsta rap","Heavy metal","Black metal","Crossover","Contemporary Christian","Christian rock","Merengue","Salsa","Thrash metal","Anime","Jpop","Synthpop","Christmas","Art rock","Baroque","Bhangra","Big beat","Breakbeat","Chillout","Downtempo","Dub","EBM","Eclectic","Electro","Electroclash","Emo","Experimental","Garage","Global","IDM","Illbient","Industro-Goth","Jam Band","Krautrock","Leftfield","Lounge","Math rock","New romantic","Nu-breakz","Post-punk","Post-rock","Psytrance","Shoegaze","Space rock","Trop rock","World music","Neoclassical","Audiobook","Audio theatre","Neue Deutsche Welle","Podcast","Indie rock","G-Funk","Dubstep","Garage rock","Psybient"],f=(e,t)=>{let r,a=e.filePos;t.raw??={},t.raw.TAG??=(0,u.readBytes)(e,h-3),e.filePos=a;let i=g(e,30);i&&(t.title??=i);let s=g(e,30);s&&(t.artist??=s);let n=g(e,30);n&&(t.album??=n);let o=Number.parseInt(g(e,4),10);Number.isInteger(o)&&o>0&&(t.date??=new Date(o,0,1));let l=(0,u.readBytes)(e,30);if(0===l[28]&&0!==l[29]){let a=l[29];a>0&&(t.trackNumber??=a),e.skip(-30),r=g(e,28),e.skip(2)}else e.skip(-30),r=g(e,30);r&&(t.comment??=r);let c=(0,u.readU8)(e);c<p.length&&(t.genre??=p[c])},g=(e,t)=>{let r=(0,u.readBytes)(e,t),a=(0,d.coalesceIndex)(r.indexOf(0),r.length),i=r.subarray(0,a),s="";for(let e=0;e<i.length;e++)s+=String.fromCharCode(i[e]);return s.trimEnd()},k=e=>{let t=e.filePos,r=(0,u.readAscii)(e,3),a=(0,u.readU8)(e),i=(0,u.readU8)(e),s=(0,u.readU8)(e),n=(0,u.readU32Be)(e);return"ID3"!==r||255===a||255===i||(0x80808080&n)!=0?(e.filePos=t,null):{majorVersion:a,revision:i,flags:s,size:(0,c.decodeSynchsafe)(n)}},b=(e,t,r)=>{if(![2,3,4].includes(t.majorVersion))return void console.warn(`Unsupported ID3v2 major version: ${t.majorVersion}`);let a=(0,u.readBytes)(e,t.size),i=new y(t,a);if(t.flags&n.Footer&&i.removeFooter(),t.flags&n.Unsynchronisation&&3===t.majorVersion&&i.ununsynchronizeAll(),t.flags&n.ExtendedHeader){let e=i.readU32();3===t.majorVersion?i.pos+=e:i.pos+=e-4}for(;i.pos<=i.bytes.length-i.frameHeaderSize();){let e=i.readId3V2Frame();if(!e)break;let a=i.pos,s=i.pos+e.size,o=!1,l=!1,c=!1;if(3===t.majorVersion?(o=!!(64&e.flags),l=!!(128&e.flags)):4===t.majorVersion&&(o=!!(4&e.flags),l=!!(8&e.flags),c=!!(2&e.flags)||!!(t.flags&n.Unsynchronisation)),o){console.warn(`Skipping encrypted ID3v2 frame ${e.id}`),i.pos=s;continue}if(l){console.warn(`Skipping compressed ID3v2 frame ${e.id}`),i.pos=s;continue}switch(c&&i.ununsynchronizeRegion(i.pos,s),r.raw??={},"T"===e.id[0]?r.raw[e.id]??=i.readId3V2EncodingAndText(s):r.raw[e.id]??=i.readBytes(e.size),i.pos=a,e.id){case"TIT2":case"TT2":r.title??=i.readId3V2EncodingAndText(s);break;case"TIT3":case"TT3":r.description??=i.readId3V2EncodingAndText(s);break;case"TPE1":case"TP1":r.artist??=i.readId3V2EncodingAndText(s);break;case"TALB":case"TAL":r.album??=i.readId3V2EncodingAndText(s);break;case"TPE2":case"TP2":r.albumArtist??=i.readId3V2EncodingAndText(s);break;case"TRCK":case"TRK":{let e=i.readId3V2EncodingAndText(s).split("/"),t=Number.parseInt(e[0],10),a=e[1]&&Number.parseInt(e[1],10);Number.isInteger(t)&&t>0&&(r.trackNumber??=t),a&&Number.isInteger(a)&&a>0&&(r.tracksTotal??=a)}break;case"TPOS":case"TPA":{let e=i.readId3V2EncodingAndText(s).split("/"),t=Number.parseInt(e[0],10),a=e[1]&&Number.parseInt(e[1],10);Number.isInteger(t)&&t>0&&(r.discNumber??=t),a&&Number.isInteger(a)&&a>0&&(r.discsTotal??=a)}break;case"TCON":case"TCO":{let e=i.readId3V2EncodingAndText(s),t=/^\((\d+)\)/.exec(e);if(t){let e=Number.parseInt(t[1]);if(void 0!==p[e]){r.genre??=p[e];break}}if(t=/^\d+$/.exec(e)){let e=Number.parseInt(t[0]);if(void 0!==p[e]){r.genre??=p[e];break}}r.genre??=e}break;case"TDRC":case"TDAT":{let e=new Date(i.readId3V2EncodingAndText(s));Number.isNaN(e.getTime())||(r.date??=e)}break;case"TYER":case"TYE":{let e=Number.parseInt(i.readId3V2EncodingAndText(s),10);Number.isInteger(e)&&(r.date??=new Date(e,0,1))}break;case"USLT":case"ULT":{let e=i.readU8();i.pos+=3,i.readId3V2Text(e,s),r.lyrics??=i.readId3V2Text(e,s)}break;case"COMM":case"COM":{let e=i.readU8();i.pos+=3,i.readId3V2Text(e,s),r.comment??=i.readId3V2Text(e,s)}break;case"APIC":case"PIC":{let e,a=i.readId3V2TextEncoding();if(2===t.majorVersion){let t=i.readAscii(3);e="PNG"===t?"image/png":"JPG"===t?"image/jpeg":"image/*"}else e=i.readId3V2Text(a,s);let n=i.readU8(),o=i.readId3V2Text(a,s).trimEnd(),l=s-i.pos;if(l>=0){let t=i.readBytes(l);r.images||(r.images=[]),r.images.push({data:t,mimeType:e,kind:3===n?"coverFront":4===n?"coverBack":"unknown",description:o})}}break;default:i.pos+=e.size}i.pos=s}};class y{constructor(e,t){this.header=e,this.bytes=t,this.pos=0,this.view=new DataView(t.buffer,t.byteOffset,t.byteLength)}frameHeaderSize(){return 2===this.header.majorVersion?6:10}ununsynchronizeAll(){let e=[];for(let t=0;t<this.bytes.length;t++){let r=this.bytes[t];e.push(r),255===r&&t!==this.bytes.length-1&&0===this.bytes[t]&&t++}this.bytes=new Uint8Array(e),this.view=new DataView(this.bytes.buffer)}ununsynchronizeRegion(e,t){let r=[];for(let a=e;a<t;a++){let e=this.bytes[a];r.push(e),255===e&&a!==t-1&&0===this.bytes[a+1]&&a++}let a=this.bytes.subarray(0,e),i=this.bytes.subarray(t);this.bytes=new Uint8Array(a.length+r.length+i.length),this.bytes.set(a,0),this.bytes.set(r,a.length),this.bytes.set(i,a.length+r.length),this.view=new DataView(this.bytes.buffer)}removeFooter(){this.bytes=this.bytes.subarray(0,this.bytes.length-m),this.view=new DataView(this.bytes.buffer)}readBytes(e){let t=this.bytes.subarray(this.pos,this.pos+e);return this.pos+=e,t}readU8(){let e=this.view.getUint8(this.pos);return this.pos+=1,e}readU16(){let e=this.view.getUint16(this.pos,!1);return this.pos+=2,e}readU24(){let e=this.view.getUint16(this.pos,!1),t=this.view.getUint8(this.pos+1);return this.pos+=3,256*e+t}readU32(){let e=this.view.getUint32(this.pos,!1);return this.pos+=4,e}readAscii(e){let t="";for(let r=0;r<e;r++)t+=String.fromCharCode(this.view.getUint8(this.pos+r));return this.pos+=e,t}readId3V2Frame(){if(2===this.header.majorVersion){let e=this.readAscii(3);return"\0\0\0"===e?null:{id:e,size:this.readU24(),flags:0}}{let e=this.readAscii(4);if("\0\0\0\0"===e)return null;let t=this.readU32(),r=4===this.header.majorVersion?(0,c.decodeSynchsafe)(t):t,a=this.readU16(),i=this.pos,s=e=>{let t=this.pos+e;if(t>this.bytes.length)return!1;if(t<=this.bytes.length-this.frameHeaderSize()){this.pos+=e;let t=this.readAscii(4);if("\0\0\0\0"!==t&&!/[0-9A-Z]{4}/.test(t))return!1}return!0};if(!s(r)){let e=4===this.header.majorVersion?t:(0,c.decodeSynchsafe)(t);s(e)&&(r=e)}return this.pos=i,{id:e,size:r,flags:a}}}readId3V2TextEncoding(){let e=this.readU8();if(e>3)throw Error(`Unsupported text encoding: ${e}`);return e}readId3V2Text(e,t){let r=this.pos,a=this.readBytes(t-this.pos);switch(e){case o.ISO_8859_1:{let e="";for(let t=0;t<a.length;t++){let i=a[t];if(0===i){this.pos=r+t+1;break}e+=String.fromCharCode(i)}return e}case o.UTF_16_WITH_BOM:if(255===a[0]&&254===a[1]){let e=new TextDecoder("utf-16le"),t=(0,d.coalesceIndex)(a.findIndex((e,t)=>0===e&&0===a[t+1]&&t%2==0),a.length);return this.pos=r+Math.min(t+2,a.length),e.decode(a.subarray(2,t))}if(254===a[0]&&255===a[1]){let e=new TextDecoder("utf-16be"),t=(0,d.coalesceIndex)(a.findIndex((e,t)=>0===e&&0===a[t+1]&&t%2==0),a.length);return this.pos=r+Math.min(t+2,a.length),e.decode(a.subarray(2,t))}{let e=(0,d.coalesceIndex)(a.findIndex(e=>0===e),a.length);return this.pos=r+Math.min(e+1,a.length),d.textDecoder.decode(a.subarray(0,e))}case o.UTF_16_BE_NO_BOM:{let e=new TextDecoder("utf-16be"),t=(0,d.coalesceIndex)(a.findIndex((e,t)=>0===e&&0===a[t+1]&&t%2==0),a.length);return this.pos=r+Math.min(t+2,a.length),e.decode(a.subarray(0,t))}case o.UTF_8:{let e=(0,d.coalesceIndex)(a.findIndex(e=>0===e),a.length);return this.pos=r+Math.min(e+1,a.length),d.textDecoder.decode(a.subarray(0,e))}}}readId3V2EncodingAndText(e){if(this.pos>=e)return"";let t=this.readId3V2TextEncoding();return this.readId3V2Text(t,e)}}class S{constructor(e){this.helper=new Uint8Array(8),this.helperView=(0,d.toDataView)(this.helper),this.writer=e}writeId3V2Tag(e){let t=this.writer.getPos();this.writeAscii("ID3"),this.writeU8(4),this.writeU8(0),this.writeU8(0),this.writeSynchsafeU32(0);let r=this.writer.getPos(),a=new Set;for(let{key:t,value:r}of(0,d.keyValueIterator)(e))switch(t){case"title":this.writeId3V2TextFrame("TIT2",r),a.add("TIT2");break;case"description":this.writeId3V2TextFrame("TIT3",r),a.add("TIT3");break;case"artist":this.writeId3V2TextFrame("TPE1",r),a.add("TPE1");break;case"album":this.writeId3V2TextFrame("TALB",r),a.add("TALB");break;case"albumArtist":this.writeId3V2TextFrame("TPE2",r),a.add("TPE2");break;case"trackNumber":{let t=void 0!==e.tracksTotal?`${r}/${e.tracksTotal}`:r.toString();this.writeId3V2TextFrame("TRCK",t),a.add("TRCK")}break;case"discNumber":{let t=void 0!==e.discsTotal?`${r}/${e.discsTotal}`:r.toString();this.writeId3V2TextFrame("TPOS",t),a.add("TPOS")}break;case"genre":this.writeId3V2TextFrame("TCON",r),a.add("TCON");break;case"date":this.writeId3V2TextFrame("TDRC",r.toISOString().slice(0,10)),a.add("TDRC");break;case"lyrics":this.writeId3V2LyricsFrame(r),a.add("USLT");break;case"comment":this.writeId3V2CommentFrame(r),a.add("COMM");break;case"images":{let e={coverFront:3,coverBack:4,unknown:0};for(let t of r){let r=e[t.kind]??0,a=t.description??"";this.writeId3V2ApicFrame(t.mimeType,r,a,t.data)}}break;case"tracksTotal":case"discsTotal":case"raw":break;default:(0,d.assertNever)(t)}if(e.raw)for(let t in e.raw){let r,i=e.raw[t];if(!(null==i||4!==t.length||a.has(t))){if("string"==typeof i){let e=d.textEncoder.encode(i);(r=new Uint8Array(e.byteLength+2))[0]=o.UTF_8,r.set(e,1)}else{if(!(i instanceof Uint8Array))continue;r=i}this.writeAscii(t),this.writeSynchsafeU32(r.byteLength),this.writeU16(0),this.writer.write(r)}}let i=this.writer.getPos(),s=i-r;return this.writer.seek(t+6),this.writeSynchsafeU32(s),this.writer.seek(i),s+10}writeU8(e){this.helper[0]=e,this.writer.write(this.helper.subarray(0,1))}writeU16(e){this.helperView.setUint16(0,e,!1),this.writer.write(this.helper.subarray(0,2))}writeU32(e){this.helperView.setUint32(0,e,!1),this.writer.write(this.helper.subarray(0,4))}writeAscii(e){for(let t=0;t<e.length;t++)this.helper[t]=e.charCodeAt(t);this.writer.write(this.helper.subarray(0,e.length))}writeSynchsafeU32(e){this.writeU32((0,c.encodeSynchsafe)(e))}writeIsoString(e){let t=new Uint8Array(e.length+1);for(let r=0;r<e.length;r++)t[r]=e.charCodeAt(r);t[e.length]=0,this.writer.write(t)}writeUtf8String(e){let t=d.textEncoder.encode(e);this.writer.write(t),this.writeU8(0)}writeId3V2TextFrame(e,t){let r=(0,d.isIso88591Compatible)(t),a=r?t.length:d.textEncoder.encode(t).byteLength;this.writeAscii(e),this.writeSynchsafeU32(1+a+1),this.writeU16(0),this.writeU8(r?o.ISO_8859_1:o.UTF_8),r?this.writeIsoString(t):this.writeUtf8String(t)}writeId3V2LyricsFrame(e){let t=(0,d.isIso88591Compatible)(e),r=5+e.length+1;this.writeAscii("USLT"),this.writeSynchsafeU32(r),this.writeU16(0),this.writeU8(t?o.ISO_8859_1:o.UTF_8),this.writeAscii("und"),t?(this.writeIsoString(""),this.writeIsoString(e)):(this.writeUtf8String(""),this.writeUtf8String(e))}writeId3V2CommentFrame(e){let t=(0,d.isIso88591Compatible)(e),r=t?e.length:d.textEncoder.encode(e).byteLength;this.writeAscii("COMM"),this.writeSynchsafeU32(5+r+1),this.writeU16(0),this.writeU8(t?o.ISO_8859_1:o.UTF_8),this.writeU8(117),this.writeU8(110),this.writeU8(100),t?(this.writeIsoString(""),this.writeIsoString(e)):(this.writeUtf8String(""),this.writeUtf8String(e))}writeId3V2ApicFrame(e,t,r,a){let i=(0,d.isIso88591Compatible)(e)&&(0,d.isIso88591Compatible)(r),s=i?r.length:d.textEncoder.encode(r).byteLength,n=1+e.length+1+1+s+1+a.byteLength;this.writeAscii("APIC"),this.writeSynchsafeU32(n),this.writeU16(0),this.writeU8(i?o.ISO_8859_1:o.UTF_8),i?this.writeIsoString(e):this.writeUtf8String(e),this.writeU8(t),i?this.writeIsoString(r):this.writeUtf8String(r),this.writer.write(a)}}},{"../shared/mp3-misc.js":"jGy7Y","./misc.js":"jrq2g","./reader.js":"6AkKg","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],ixvHZ:[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"readNextMp3FrameHeader",()=>o);var s=e("../../shared/mp3-misc.js"),n=e("../reader.js");let o=async(e,t,r)=>{let a=t;for(;null===r||a<r;){let t=e.requestSlice(a,s.FRAME_HEADER_SIZE);if(t instanceof Promise&&(t=await t),!t)break;let r=(0,n.readU32Be)(t),i=(0,s.readMp3FrameHeader)(r,null!==e.fileSize?e.fileSize-a:null);if(i.header)return{header:i.header,startPos:a};a+=i.bytesAdvanced}return null}},{"../../shared/mp3-misc.js":"jGy7Y","../reader.js":"6AkKg","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],lRP3H:[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"OggDemuxer",()=>f);var s=e("../codec.js"),n=e("../codec-data.js"),o=e("../demuxer.js"),l=e("../input-track.js"),c=e("../metadata.js"),d=e("../misc.js"),u=e("../packet.js"),h=e("../reader.js"),m=e("./ogg-misc.js"),p=e("./ogg-reader.js");class f extends o.Demuxer{constructor(e){super(e),this.metadataPromise=null,this.bitstreams=[],this.tracks=[],this.metadataTags={},this.reader=e._reader}async readMetadata(){return this.metadataPromise??=(async()=>{let e=0;for(;;){let t=this.reader.requestSliceRange(e,p.MIN_PAGE_HEADER_SIZE,p.MAX_PAGE_HEADER_SIZE);if(t instanceof Promise&&(t=await t),!t)break;let r=(0,p.readPageHeader)(t);if(!r||!(2&r.headerType))break;this.bitstreams.push({serialNumber:r.serialNumber,bosPage:r,description:null,numberOfChannels:-1,sampleRate:-1,codecInfo:{codec:null,vorbisInfo:null,opusInfo:null},lastMetadataPacket:null}),e=r.headerStartPos+r.totalSize}for(let e of this.bitstreams){let t=await this.readPacket(e.bosPage,0);t&&(t.data.byteLength>=7&&1===t.data[0]&&118===t.data[1]&&111===t.data[2]&&114===t.data[3]&&98===t.data[4]&&105===t.data[5]&&115===t.data[6]?await this.readVorbisMetadata(t,e):t.data.byteLength>=8&&79===t.data[0]&&112===t.data[1]&&117===t.data[2]&&115===t.data[3]&&72===t.data[4]&&101===t.data[5]&&97===t.data[6]&&100===t.data[7]&&await this.readOpusMetadata(t,e),null!==e.codecInfo.codec&&this.tracks.push(new(0,l.InputAudioTrack)(this.input,new g(e,this))))}})()}async readVorbisMetadata(e,t){let r=await this.findNextPacketStart(e);if(!r)return;let a=await this.readPacket(r.startPage,r.startSegmentIndex);if(!a||!(r=await this.findNextPacketStart(a)))return;let i=await this.readPacket(r.startPage,r.startSegmentIndex);if(!i||3!==a.data[0]||5!==i.data[0])return;let s=[],o=e=>{for(;s.push(Math.min(255,e)),!(e<255);)e-=255};o(e.data.length),o(a.data.length);let l=new Uint8Array(1+s.length+e.data.length+a.data.length+i.data.length);l[0]=2,l.set(s,1),l.set(e.data,1+s.length),l.set(a.data,1+s.length+e.data.length),l.set(i.data,1+s.length+e.data.length+a.data.length),t.codecInfo.codec="vorbis",t.description=l,t.lastMetadataPacket=i;let c=(0,d.toDataView)(e.data);t.numberOfChannels=c.getUint8(11),t.sampleRate=c.getUint32(12,!0);let u=c.getUint8(28);t.codecInfo.vorbisInfo={blocksizes:[1<<(15&u),1<<(u>>4)],modeBlockflags:(0,n.parseModesFromVorbisSetupPacket)(i.data).modeBlockflags},(0,n.readVorbisComments)(a.data.subarray(7),this.metadataTags)}async readOpusMetadata(e,t){let r=await this.findNextPacketStart(e);if(!r)return;let a=await this.readPacket(r.startPage,r.startSegmentIndex);if(!a)return;t.codecInfo.codec="opus",t.description=e.data,t.lastMetadataPacket=a;let i=(0,n.parseOpusIdentificationHeader)(e.data);t.numberOfChannels=i.outputChannelCount,t.sampleRate=s.OPUS_SAMPLE_RATE,t.codecInfo.opusInfo={preSkip:i.preSkip},(0,n.readVorbisComments)(a.data.subarray(8),this.metadataTags)}async readPacket(e,t){(0,d.assert)(t<e.lacingValues.length);let r=0;for(let a=0;a<t;a++)r+=e.lacingValues[a];let a=e,i=r,s=t,n=[];e:for(;;){let t=this.reader.requestSlice(a.dataStartPos,a.dataSize);t instanceof Promise&&(t=await t),(0,d.assert)(t);let o=(0,h.readBytes)(t,a.dataSize);for(;;){if(s===a.lacingValues.length){n.push(o.subarray(r,i));break}let e=a.lacingValues[s];if(i+=e,e<255){n.push(o.subarray(r,i));break e}s++}let l=a.headerStartPos+a.totalSize;for(;;){let t=this.reader.requestSliceRange(l,p.MIN_PAGE_HEADER_SIZE,p.MAX_PAGE_HEADER_SIZE);if(t instanceof Promise&&(t=await t),!t)return null;let r=(0,p.readPageHeader)(t);if(!r)return null;if((a=r).serialNumber===e.serialNumber)break;l=a.headerStartPos+a.totalSize}r=0,i=0,s=0}let o=n.reduce((e,t)=>e+t.length,0);if(0===o)return null;let l=new Uint8Array(o),c=0;for(let e=0;e<n.length;e++){let t=n[e];l.set(t,c),c+=t.length}return{data:l,endPage:a,endSegmentIndex:s}}async findNextPacketStart(e){if(e.endSegmentIndex<e.endPage.lacingValues.length-1)return{startPage:e.endPage,startSegmentIndex:e.endSegmentIndex+1};if(4&e.endPage.headerType)return null;let t=e.endPage.headerStartPos+e.endPage.totalSize;for(;;){let r=this.reader.requestSliceRange(t,p.MIN_PAGE_HEADER_SIZE,p.MAX_PAGE_HEADER_SIZE);if(r instanceof Promise&&(r=await r),!r)return null;let a=(0,p.readPageHeader)(r);if(!a)return null;if(a.serialNumber===e.endPage.serialNumber)return{startPage:a,startSegmentIndex:0};t=a.headerStartPos+a.totalSize}}async getMimeType(){await this.readMetadata();let e=await Promise.all(this.tracks.map(e=>e.getCodecParameterString()));return(0,m.buildOggMimeType)({codecStrings:e.filter(Boolean)})}async getTracks(){return await this.readMetadata(),this.tracks}async computeDuration(){let e=await this.getTracks();return Math.max(0,...await Promise.all(e.map(e=>e.computeDuration())))}async getMetadataTags(){return await this.readMetadata(),this.metadataTags}}class g{constructor(e,t){this.bitstream=e,this.demuxer=t,this.encodedPacketToMetadata=new WeakMap,this.sequentialScanCache=[],this.sequentialScanMutex=new(0,d.AsyncMutex),this.internalSampleRate="opus"===e.codecInfo.codec?s.OPUS_SAMPLE_RATE:e.sampleRate}getId(){return this.bitstream.serialNumber}getNumber(){let e=this.demuxer.tracks.findIndex(e=>e._backing.bitstream===this.bitstream);return(0,d.assert)(-1!==e),e+1}getNumberOfChannels(){return this.bitstream.numberOfChannels}getSampleRate(){return this.bitstream.sampleRate}getTimeResolution(){return this.bitstream.sampleRate}getCodec(){return this.bitstream.codecInfo.codec}getInternalCodecId(){return null}async getDecoderConfig(){return(0,d.assert)(this.bitstream.codecInfo.codec),{codec:this.bitstream.codecInfo.codec,numberOfChannels:this.bitstream.numberOfChannels,sampleRate:this.bitstream.sampleRate,description:this.bitstream.description??void 0}}getName(){return null}getLanguageCode(){return d.UNDETERMINED_LANGUAGE}getDisposition(){return{...c.DEFAULT_TRACK_DISPOSITION}}async getFirstTimestamp(){return 0}async computeDuration(){let e=await this.getPacket(1/0,{metadataOnly:!0});return(e?.timestamp??0)+(e?.duration??0)}granulePositionToTimestampInSamples(e){return"opus"===this.bitstream.codecInfo.codec?((0,d.assert)(this.bitstream.codecInfo.opusInfo),e-this.bitstream.codecInfo.opusInfo.preSkip):e}createEncodedPacketFromOggPacket(e,t,r){if(!e)return null;let{durationInSamples:a,vorbisBlockSize:i}=(0,m.extractSampleMetadata)(e.data,this.bitstream.codecInfo,t.vorbisLastBlocksize),s=new(0,u.EncodedPacket)(r.metadataOnly?u.PLACEHOLDER_DATA:e.data,"key",Math.max(0,t.timestampInSamples)/this.internalSampleRate,a/this.internalSampleRate,e.endPage.headerStartPos+e.endSegmentIndex,e.data.byteLength);return this.encodedPacketToMetadata.set(s,{packet:e,timestampInSamples:t.timestampInSamples,durationInSamples:a,vorbisLastBlockSize:t.vorbisLastBlocksize,vorbisBlockSize:i}),s}async getFirstPacket(e){(0,d.assert)(this.bitstream.lastMetadataPacket);let t=await this.demuxer.findNextPacketStart(this.bitstream.lastMetadataPacket);if(!t)return null;let r=0;"opus"===this.bitstream.codecInfo.codec&&((0,d.assert)(this.bitstream.codecInfo.opusInfo),r-=this.bitstream.codecInfo.opusInfo.preSkip);let a=await this.demuxer.readPacket(t.startPage,t.startSegmentIndex);return this.createEncodedPacketFromOggPacket(a,{timestampInSamples:r,vorbisLastBlocksize:null},e)}async getNextPacket(e,t){let r=this.encodedPacketToMetadata.get(e);if(!r)throw Error("Packet was not created from this track.");let a=await this.demuxer.findNextPacketStart(r.packet);if(!a)return null;let i=r.timestampInSamples+r.durationInSamples,s=await this.demuxer.readPacket(a.startPage,a.startSegmentIndex);return this.createEncodedPacketFromOggPacket(s,{timestampInSamples:i,vorbisLastBlocksize:r.vorbisBlockSize},t)}async getPacket(e,t){let r,a;if(null===this.demuxer.reader.fileSize)return this.getPacketSequential(e,t);let i=(0,d.roundIfAlmostInteger)(e*this.internalSampleRate);if(0===i)return this.getFirstPacket(t);if(i<0)return null;(0,d.assert)(this.bitstream.lastMetadataPacket);let s=await this.demuxer.findNextPacketStart(this.bitstream.lastMetadataPacket);if(!s)return null;let n=s.startPage,o=this.demuxer.reader.fileSize,l=[n];e:for(;n.headerStartPos+n.totalSize<o;){let e=Math.floor((n.headerStartPos+o)/2),t=e;for(;;){let r=Math.min(t+p.MAX_PAGE_SIZE,o-p.MIN_PAGE_HEADER_SIZE),a=this.demuxer.reader.requestSlice(t,r-t);if(a instanceof Promise&&(a=await a),(0,d.assert)(a),!(0,p.findNextPageHeader)(a,r)){o=e+p.MIN_PAGE_HEADER_SIZE;continue e}let s=this.demuxer.reader.requestSliceRange(a.filePos,p.MIN_PAGE_HEADER_SIZE,p.MAX_PAGE_HEADER_SIZE);s instanceof Promise&&(s=await s),(0,d.assert)(s);let c=(0,p.readPageHeader)(s);(0,d.assert)(c);let u=!1;if(c.serialNumber===this.bitstream.serialNumber)u=!0;else{let e=this.demuxer.reader.requestSlice(c.headerStartPos,c.totalSize);e instanceof Promise&&(e=await e),(0,d.assert)(e);let t=(0,h.readBytes)(e,c.totalSize);u=(0,m.computeOggPageCrc)(t)===c.checksum}if(!u){t=c.headerStartPos+4;continue}if(u&&c.serialNumber!==this.bitstream.serialNumber||-1===c.granulePosition){t=c.headerStartPos+c.totalSize;continue}this.granulePositionToTimestampInSamples(c.granulePosition)>i?o=c.headerStartPos:(n=c,l.push(c));continue e}}let c=s.startPage;for(let e of l){if(e.granulePosition===n.granulePosition)break;(!c||e.headerStartPos>c.headerStartPos)&&(c=e)}let f=c,g=[f];for(;f.serialNumber!==this.bitstream.serialNumber||f.granulePosition!==n.granulePosition;){let e=f.headerStartPos+f.totalSize,t=this.demuxer.reader.requestSliceRange(e,p.MIN_PAGE_HEADER_SIZE,p.MAX_PAGE_HEADER_SIZE);t instanceof Promise&&(t=await t),(0,d.assert)(t);let r=(0,p.readPageHeader)(t);(0,d.assert)(r),(f=r).serialNumber===this.bitstream.serialNumber&&g.push(f)}(0,d.assert)(-1!==f.granulePosition);let y=null,S=f,T=0;if(f.headerStartPos===s.startPage.headerStartPos)r=this.granulePositionToTimestampInSamples(0),a=!0,y=0;else{r=0,a=!1;for(let e=f.lacingValues.length-1;e>=0;e--)if(f.lacingValues[e]<255){y=e+1;break}if(null===y)throw Error("Invalid page with granule position: no packets end on this page.");T=y-1;let e={data:u.PLACEHOLDER_DATA,endPage:S,endSegmentIndex:T};if(await this.demuxer.findNextPacketStart(e)){let e=b(g,f,y);(0,d.assert)(e);let t=k(g,e.page,e.segmentIndex);t&&(f=t.page,y=t.segmentIndex)}else for(;;){let e=b(g,f,y);if(!e)break;let t=k(g,e.page,e.segmentIndex);if(!t)break;if(f=t.page,y=t.segmentIndex,e.page.headerStartPos!==S.headerStartPos){S=e.page,T=e.segmentIndex;break}}}let I=null,w=null;for(;null!==f;){(0,d.assert)(null!==y);let e=await this.demuxer.readPacket(f,y);if(!e)break;if(!(f.headerStartPos===s.startPage.headerStartPos&&y<s.startSegmentIndex)){let s=this.createEncodedPacketFromOggPacket(e,{timestampInSamples:r,vorbisLastBlocksize:w?.vorbisBlockSize??null},t);(0,d.assert)(s);let n=this.encodedPacketToMetadata.get(s);if((0,d.assert)(n),a||e.endPage.headerStartPos!==S.headerStartPos||e.endSegmentIndex!==T?r+=n.durationInSamples:(r=this.granulePositionToTimestampInSamples(f.granulePosition),a=!0,s=this.createEncodedPacketFromOggPacket(e,{timestampInSamples:r-n.durationInSamples,vorbisLastBlocksize:w?.vorbisBlockSize??null},t),(0,d.assert)(s),n=this.encodedPacketToMetadata.get(s),(0,d.assert)(n)),I=s,w=n,a&&(Math.max(r,0)>i||Math.max(n.timestampInSamples,0)===i))break}let n=await this.demuxer.findNextPacketStart(e);if(!n)break;f=n.startPage,y=n.startSegmentIndex}return I}async getPacketSequential(e,t){let r=await this.sequentialScanMutex.acquire();try{let r,a=(0,d.roundIfAlmostInteger)(e*this.internalSampleRate);e=a/this.internalSampleRate;let i=(0,d.binarySearchLessOrEqual)(this.sequentialScanCache,a,e=>e.timestampInSamples);if(-1!==i){let e=this.sequentialScanCache[i];r=this.createEncodedPacketFromOggPacket(e.packet,{timestampInSamples:e.timestampInSamples,vorbisLastBlocksize:e.vorbisLastBlockSize},t)}else r=await this.getFirstPacket(t);let s=0;for(;r&&r.timestamp<e;){let a=await this.getNextPacket(r,t);if(!a||a.timestamp>e)break;if(r=a,s++,100===s){s=0;let e=this.encodedPacketToMetadata.get(r);(0,d.assert)(e),this.sequentialScanCache.length>0&&(0,d.assert)((0,d.last)(this.sequentialScanCache).timestampInSamples<=e.timestampInSamples),this.sequentialScanCache.push(e)}}return r}finally{r()}}getKeyPacket(e,t){return this.getPacket(e,t)}getNextKeyPacket(e,t){return this.getNextPacket(e,t)}}let k=(e,t,r)=>{let a=t,i=r;e:for(;;){for(i--;i>=0;i--)if(a.lacingValues[i]<255){i++;break e}if((0,d.assert)(-1===i),!(1&a.headerType)){i=0;break}let t=(0,d.findLast)(e,e=>e.headerStartPos<a.headerStartPos);if(!t)return null;i=(a=t).lacingValues.length}if((0,d.assert)(-1!==i),i===a.lacingValues.length){let t=e[e.indexOf(a)+1];(0,d.assert)(t),a=t,i=0}return{page:a,segmentIndex:i}},b=(e,t,r)=>{if(r>0)return{page:t,segmentIndex:r-1};let a=(0,d.findLast)(e,e=>e.headerStartPos<t.headerStartPos);return a?{page:a,segmentIndex:a.lacingValues.length-1}:null}},{"../codec.js":"4GUiq","../codec-data.js":"zx4dz","../demuxer.js":"73Qqp","../input-track.js":"aU0uf","../metadata.js":"1RzS5","../misc.js":"jrq2g","../packet.js":"8dQhf","../reader.js":"6AkKg","./ogg-misc.js":"lbYXN","./ogg-reader.js":"frvPd","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],lbYXN:[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"OGGS",()=>o),i.export(r,"computeOggPageCrc",()=>c),i.export(r,"extractSampleMetadata",()=>d),i.export(r,"buildOggMimeType",()=>u);var s=e("../codec-data.js"),n=e("../misc.js");let o=0x5367674f,l=new Uint32Array(256);for(let e=0;e<256;e++){let t=e<<24;for(let e=0;e<8;e++)t=0x80000000&t?t<<1^0x4c11db7:t<<1;l[e]=t>>>0}let c=e=>{let t=(0,n.toDataView)(e),r=t.getUint32(22,!0);t.setUint32(22,0,!0);let a=0;for(let t=0;t<e.length;t++)a=(a<<8^l[a>>>24^e[t]])>>>0;return t.setUint32(22,r,!0),a},d=(e,t,r)=>{let a=0,i=null;if(e.length>0)if("vorbis"===t.codec){(0,n.assert)(t.vorbisInfo);let s=t.vorbisInfo.modeBlockflags.length,o=(1<<(0,n.ilog)(s-1))-1<<1,l=(e[0]&o)>>1;if(l>=t.vorbisInfo.modeBlockflags.length)throw Error("Invalid mode number.");let c=r,d=t.vorbisInfo.modeBlockflags[l];if(i=t.vorbisInfo.blocksizes[d],1===d){let r=e[0]&(1|o)+1?1:0;c=t.vorbisInfo.blocksizes[r]}a=null!==c?c+i>>2:0}else"opus"===t.codec&&(a=(0,s.parseOpusTocByte)(e).durationInSamples);return{durationInSamples:a,vorbisBlockSize:i}},u=e=>{let t="audio/ogg";if(e.codecStrings){let r=[...new Set(e.codecStrings)];t+=`; codecs="${r.join(", ")}"`}return t}},{"../codec-data.js":"zx4dz","../misc.js":"jrq2g","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],frvPd:[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"MIN_PAGE_HEADER_SIZE",()=>o),i.export(r,"MAX_PAGE_HEADER_SIZE",()=>l),i.export(r,"MAX_PAGE_SIZE",()=>c),i.export(r,"readPageHeader",()=>d),i.export(r,"findNextPageHeader",()=>u);var s=e("../reader.js"),n=e("./ogg-misc.js");let o=27,l=282,c=65307,d=e=>{let t=e.filePos;if((0,s.readU32Le)(e)!==n.OGGS)return null;e.skip(1);let r=(0,s.readU8)(e),a=(0,s.readI64Le)(e),i=(0,s.readU32Le)(e),o=(0,s.readU32Le)(e),l=(0,s.readU32Le)(e),c=(0,s.readU8)(e),d=new Uint8Array(c);for(let t=0;t<c;t++)d[t]=(0,s.readU8)(e);let u=27+c,h=d.reduce((e,t)=>e+t,0);return{headerStartPos:t,totalSize:u+h,dataStartPos:t+u,dataSize:h,headerType:r,granulePosition:a,serialNumber:i,sequenceNumber:o,checksum:l,lacingValues:d}},u=(e,t)=>{for(;e.filePos<t-3;){let t=(0,s.readU32Le)(e),r=255&t,a=t>>>8&255,i=t>>>16&255,o=t>>>24&255;if(79===r||79===a||79===i||79===o){if(e.skip(-4),t===n.OGGS)return!0;e.skip(1)}}return!1}},{"../reader.js":"6AkKg","./ogg-misc.js":"lbYXN","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],lP1MW:[function(e,t,r,a){var i,s,n=e("@parcel/transformer-js/src/esmodule-helpers.js");n.defineInteropFlag(r),n.export(r,"WaveFormat",()=>s),n.export(r,"WaveDemuxer",()=>p);var o=e("../demuxer.js"),l=e("../input-track.js"),c=e("../metadata.js"),d=e("../misc.js"),u=e("../packet.js"),h=e("../reader.js"),m=e("../id3.js");(i=s||(s={}))[i.PCM=1]="PCM",i[i.IEEE_FLOAT=3]="IEEE_FLOAT",i[i.ALAW=6]="ALAW",i[i.MULAW=7]="MULAW",i[i.EXTENSIBLE=65534]="EXTENSIBLE";class p extends o.Demuxer{constructor(e){super(e),this.metadataPromise=null,this.dataStart=-1,this.dataSize=-1,this.audioInfo=null,this.tracks=[],this.lastKnownPacketIndex=0,this.metadataTags={},this.reader=e._reader}async readMetadata(){return this.metadataPromise??=(async()=>{let e=this.reader.requestSlice(0,12);e instanceof Promise&&(e=await e),(0,d.assert)(e);let t=(0,h.readAscii)(e,4),r="RIFX"!==t,a="RF64"===t,i=(0,h.readU32)(e,r),s=a?this.reader.fileSize:Math.min(i+8,this.reader.fileSize??1/0);if("WAVE"!==(0,h.readAscii)(e,4))throw Error("Invalid WAVE file - wrong format");let n=0,o=null,c=e.filePos;for(;null===s||c<s;){let e=this.reader.requestSlice(c,8);if(e instanceof Promise&&(e=await e),!e)break;let t=(0,h.readAscii)(e,4),i=(0,h.readU32)(e,r),l=e.filePos;if(a&&0===n&&"ds64"!==t)throw Error('Invalid RF64 file: First chunk must be "ds64".');if("fmt "===t)await this.parseFmtChunk(l,i,r);else if("data"===t){if(o??=i,this.dataStart=e.filePos,this.dataSize=Math.min(o,(s??1/0)-this.dataStart),null===this.reader.fileSize)break}else if("ds64"===t){let e=this.reader.requestSlice(l,i);if(e instanceof Promise&&(e=await e),!e)break;let t=(0,h.readU64)(e,r);o=(0,h.readU64)(e,r),s=Math.min(t+8,this.reader.fileSize??1/0)}else"LIST"===t?await this.parseListChunk(l,i,r):("ID3 "===t||"id3 "===t)&&await this.parseId3Chunk(l,i);c=l+i+(1&i),n++}if(!this.audioInfo)throw Error('Invalid WAVE file - missing "fmt " chunk');if(-1===this.dataStart)throw Error('Invalid WAVE file - missing "data" chunk');let u=this.audioInfo.blockSizeInBytes;this.dataSize=Math.floor(this.dataSize/u)*u,this.tracks.push(new(0,l.InputAudioTrack)(this.input,new f(this)))})()}async parseFmtChunk(e,t,r){let a,i=this.reader.requestSlice(e,t);if(i instanceof Promise&&(i=await i),!i)return;let n=(0,h.readU16)(i,r),o=(0,h.readU16)(i,r),l=(0,h.readU32)(i,r);i.skip(4);let c=(0,h.readU16)(i,r);if((a=14===t?8:(0,h.readU16)(i,r),t>=18&&357!==n)&&Math.min(t-18,(0,h.readU16)(i,r))>=22&&n===s.EXTENSIBLE){i.skip(6);let e=(0,h.readBytes)(i,16);n=e[0]|e[1]<<8}(n===s.MULAW||n===s.ALAW)&&(a=8),this.audioInfo={format:n,numberOfChannels:o,sampleRate:l,sampleSizeInBytes:Math.ceil(a/8),blockSizeInBytes:c}}async parseListChunk(e,t,r){let a=this.reader.requestSlice(e,t);if(a instanceof Promise&&(a=await a),!a)return;let i=(0,h.readAscii)(a,4);if("INFO"!==i&&"INF0"!==i)return;let s=a.filePos;for(;s<=e+t-8;){a.filePos=s;let e=(0,h.readAscii)(a,4),t=(0,h.readU32)(a,r),i=(0,h.readBytes)(a,t),n=0;for(let e=0;e<i.length&&0!==i[e];e++)n++;let o=String.fromCharCode(...i.subarray(0,n));switch(this.metadataTags.raw??={},this.metadataTags.raw[e]=o,e){case"INAM":case"TITL":this.metadataTags.title??=o;break;case"TIT3":this.metadataTags.description??=o;break;case"IART":this.metadataTags.artist??=o;break;case"IPRD":this.metadataTags.album??=o;break;case"IPRT":case"ITRK":case"TRCK":{let e=o.split("/"),t=Number.parseInt(e[0],10),r=e[1]&&Number.parseInt(e[1],10);Number.isInteger(t)&&t>0&&(this.metadataTags.trackNumber??=t),r&&Number.isInteger(r)&&r>0&&(this.metadataTags.tracksTotal??=r)}break;case"ICRD":case"IDIT":{let e=new Date(o);Number.isNaN(e.getTime())||(this.metadataTags.date??=e)}break;case"YEAR":{let e=Number.parseInt(o,10);Number.isInteger(e)&&e>0&&(this.metadataTags.date??=new Date(e,0,1))}break;case"IGNR":case"GENR":this.metadataTags.genre??=o;break;case"ICMT":case"CMNT":case"COMM":this.metadataTags.comment??=o}s+=8+t+(1&t)}}async parseId3Chunk(e,t){let r=this.reader.requestSlice(e,t);if(r instanceof Promise&&(r=await r),!r)return;let a=(0,m.readId3V2Header)(r);if(a){let t=r.slice(e+10,a.size);(0,m.parseId3V2Tag)(t,a,this.metadataTags)}}getCodec(){if((0,d.assert)(this.audioInfo),this.audioInfo.format===s.MULAW)return"ulaw";if(this.audioInfo.format===s.ALAW)return"alaw";if(this.audioInfo.format===s.PCM){if(1===this.audioInfo.sampleSizeInBytes)return"pcm-u8";else if(2===this.audioInfo.sampleSizeInBytes)return"pcm-s16";else if(3===this.audioInfo.sampleSizeInBytes)return"pcm-s24";else if(4===this.audioInfo.sampleSizeInBytes)return"pcm-s32"}return this.audioInfo.format===s.IEEE_FLOAT&&4===this.audioInfo.sampleSizeInBytes?"pcm-f32":null}async getMimeType(){return"audio/wav"}async computeDuration(){await this.readMetadata();let e=this.tracks[0];return(0,d.assert)(e),e.computeDuration()}async getTracks(){return await this.readMetadata(),this.tracks}async getMetadataTags(){return await this.readMetadata(),this.metadataTags}}class f{constructor(e){this.demuxer=e}getId(){return 1}getNumber(){return 1}getCodec(){return this.demuxer.getCodec()}getInternalCodecId(){return(0,d.assert)(this.demuxer.audioInfo),this.demuxer.audioInfo.format}async getDecoderConfig(){let e=this.demuxer.getCodec();return e?((0,d.assert)(this.demuxer.audioInfo),{codec:e,numberOfChannels:this.demuxer.audioInfo.numberOfChannels,sampleRate:this.demuxer.audioInfo.sampleRate}):null}async computeDuration(){let e=await this.getPacket(1/0,{metadataOnly:!0});return(e?.timestamp??0)+(e?.duration??0)}getNumberOfChannels(){return(0,d.assert)(this.demuxer.audioInfo),this.demuxer.audioInfo.numberOfChannels}getSampleRate(){return(0,d.assert)(this.demuxer.audioInfo),this.demuxer.audioInfo.sampleRate}getTimeResolution(){return(0,d.assert)(this.demuxer.audioInfo),this.demuxer.audioInfo.sampleRate}getName(){return null}getLanguageCode(){return d.UNDETERMINED_LANGUAGE}getDisposition(){return{...c.DEFAULT_TRACK_DISPOSITION}}async getFirstTimestamp(){return 0}async getPacketAtIndex(e,t){let r;(0,d.assert)(e>=0),(0,d.assert)(this.demuxer.audioInfo);let a=2048*e*this.demuxer.audioInfo.blockSizeInBytes;if(a>=this.demuxer.dataSize)return null;let i=Math.min(2048*this.demuxer.audioInfo.blockSizeInBytes,this.demuxer.dataSize-a);if(null===this.demuxer.reader.fileSize){let e=this.demuxer.reader.requestSlice(this.demuxer.dataStart+a,i);if(e instanceof Promise&&(e=await e),!e)return null}if(t.metadataOnly)r=u.PLACEHOLDER_DATA;else{let e=this.demuxer.reader.requestSlice(this.demuxer.dataStart+a,i);e instanceof Promise&&(e=await e),(0,d.assert)(e),r=(0,h.readBytes)(e,i)}let s=2048*e/this.demuxer.audioInfo.sampleRate,n=i/this.demuxer.audioInfo.blockSizeInBytes/this.demuxer.audioInfo.sampleRate;return this.demuxer.lastKnownPacketIndex=Math.max(e,this.demuxer.lastKnownPacketIndex),new(0,u.EncodedPacket)(r,"key",s,n,e,i)}getFirstPacket(e){return this.getPacketAtIndex(0,e)}async getPacket(e,t){(0,d.assert)(this.demuxer.audioInfo);let r=Math.floor(Math.min(e*this.demuxer.audioInfo.sampleRate/2048,(this.demuxer.dataSize-1)/(2048*this.demuxer.audioInfo.blockSizeInBytes)));if(r<0)return null;let a=await this.getPacketAtIndex(r,t);if(a)return a;if(0===r)return null;(0,d.assert)(null===this.demuxer.reader.fileSize);let i=await this.getPacketAtIndex(this.demuxer.lastKnownPacketIndex,t);for(;i;){let e=await this.getNextPacket(i,t);if(!e)break;i=e}return i}getNextPacket(e,t){(0,d.assert)(this.demuxer.audioInfo);let r=Math.round(e.timestamp*this.demuxer.audioInfo.sampleRate/2048);return this.getPacketAtIndex(r+1,t)}getKeyPacket(e,t){return this.getPacket(e,t)}getNextKeyPacket(e,t){return this.getNextPacket(e,t)}}},{"../demuxer.js":"73Qqp","../input-track.js":"aU0uf","../metadata.js":"1RzS5","../misc.js":"jrq2g","../packet.js":"8dQhf","../reader.js":"6AkKg","../id3.js":"8coNE","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],iNEYI:[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"MIN_ADTS_FRAME_HEADER_SIZE",()=>o),i.export(r,"MAX_ADTS_FRAME_HEADER_SIZE",()=>l),i.export(r,"readAdtsFrameHeader",()=>c);var s=e("../misc.js"),n=e("../reader.js");let o=7,l=9,c=e=>{let t=e.filePos,r=(0,n.readBytes)(e,9),a=new(0,s.Bitstream)(r);if(4095!==a.readBits(12)||(a.skipBits(1),0!==a.readBits(2)))return null;let i=a.readBits(1),o=a.readBits(2)+1,l=a.readBits(4);if(15===l)return null;a.skipBits(1);let c=a.readBits(3);if(0===c)throw Error("ADTS frames with channel configuration 0 are not supported.");a.skipBits(1),a.skipBits(1),a.skipBits(1),a.skipBits(1);let d=a.readBits(13);a.skipBits(11);let u=a.readBits(2)+1;if(1!==u)throw Error("ADTS frames with more than one AAC frame are not supported.");let h=null;return 1===i?e.filePos-=2:h=a.readBits(16),{objectType:o,samplingFrequencyIndex:l,channelConfiguration:c,frameLength:d,numberOfAacFrames:u,crcCheck:h,startPos:t}}},{"../misc.js":"jrq2g","../reader.js":"6AkKg","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],b3bBY:[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"SAMPLES_PER_AAC_FRAME",()=>p),i.export(r,"AdtsDemuxer",()=>f);var s=e("../codec.js"),n=e("../demuxer.js"),o=e("../id3.js"),l=e("../input-track.js"),c=e("../metadata.js"),d=e("../misc.js"),u=e("../packet.js"),h=e("../reader.js"),m=e("./adts-reader.js");let p=1024;class f extends n.Demuxer{constructor(e){super(e),this.metadataPromise=null,this.firstFrameHeader=null,this.loadedSamples=[],this.metadataTags=null,this.tracks=[],this.readingMutex=new(0,d.AsyncMutex),this.lastSampleLoaded=!1,this.lastLoadedPos=0,this.nextTimestampInSamples=0,this.reader=e._reader}async readMetadata(){return this.metadataPromise??=(async()=>{for(;!this.firstFrameHeader&&!this.lastSampleLoaded;)await this.advanceReader();(0,d.assert)(this.firstFrameHeader),this.tracks=[new(0,l.InputAudioTrack)(this.input,new g(this))]})()}async advanceReader(){if(0===this.lastLoadedPos)for(;;){let e=this.reader.requestSlice(this.lastLoadedPos,o.ID3_V2_HEADER_SIZE);if(e instanceof Promise&&(e=await e),!e){this.lastSampleLoaded=!0;return}let t=(0,o.readId3V2Header)(e);if(!t)break;this.lastLoadedPos=e.filePos+t.size}let e=this.reader.requestSliceRange(this.lastLoadedPos,m.MIN_ADTS_FRAME_HEADER_SIZE,m.MAX_ADTS_FRAME_HEADER_SIZE);if(e instanceof Promise&&(e=await e),!e){this.lastSampleLoaded=!0;return}let t=(0,m.readAdtsFrameHeader)(e);if(!t||null!==this.reader.fileSize&&t.startPos+t.frameLength>this.reader.fileSize){this.lastSampleLoaded=!0;return}this.firstFrameHeader||(this.firstFrameHeader=t);let r=s.aacFrequencyTable[t.samplingFrequencyIndex];(0,d.assert)(void 0!==r);let a={timestamp:this.nextTimestampInSamples/r,duration:p/r,dataStart:t.startPos,dataSize:t.frameLength};this.loadedSamples.push(a),this.nextTimestampInSamples+=p,this.lastLoadedPos=t.startPos+t.frameLength}async getMimeType(){return"audio/aac"}async getTracks(){return await this.readMetadata(),this.tracks}async computeDuration(){await this.readMetadata();let e=this.tracks[0];return(0,d.assert)(e),e.computeDuration()}async getMetadataTags(){let e=await this.readingMutex.acquire();try{if(await this.readMetadata(),this.metadataTags)return this.metadataTags;this.metadataTags={};let e=0;for(;;){let t=this.reader.requestSlice(e,o.ID3_V2_HEADER_SIZE);if(t instanceof Promise&&(t=await t),!t)break;let r=(0,o.readId3V2Header)(t);if(!r)break;let a=this.reader.requestSlice(t.filePos,r.size);if(a instanceof Promise&&(a=await a),!a)break;(0,o.parseId3V2Tag)(a,r,this.metadataTags),e=t.filePos+r.size}return this.metadataTags}finally{e()}}}class g{constructor(e){this.demuxer=e}getId(){return 1}getNumber(){return 1}async getFirstTimestamp(){return 0}getTimeResolution(){return this.getSampleRate()/p}async computeDuration(){let e=await this.getPacket(1/0,{metadataOnly:!0});return(e?.timestamp??0)+(e?.duration??0)}getName(){return null}getLanguageCode(){return d.UNDETERMINED_LANGUAGE}getCodec(){return"aac"}getInternalCodecId(){return(0,d.assert)(this.demuxer.firstFrameHeader),this.demuxer.firstFrameHeader.objectType}getNumberOfChannels(){(0,d.assert)(this.demuxer.firstFrameHeader);let e=s.aacChannelMap[this.demuxer.firstFrameHeader.channelConfiguration];return(0,d.assert)(void 0!==e),e}getSampleRate(){(0,d.assert)(this.demuxer.firstFrameHeader);let e=s.aacFrequencyTable[this.demuxer.firstFrameHeader.samplingFrequencyIndex];return(0,d.assert)(void 0!==e),e}getDisposition(){return{...c.DEFAULT_TRACK_DISPOSITION}}async getDecoderConfig(){return(0,d.assert)(this.demuxer.firstFrameHeader),{codec:`mp4a.40.${this.demuxer.firstFrameHeader.objectType}`,numberOfChannels:this.getNumberOfChannels(),sampleRate:this.getSampleRate()}}async getPacketAtIndex(e,t){let r;if(-1===e)return null;let a=this.demuxer.loadedSamples[e];if(!a)return null;if(t.metadataOnly)r=u.PLACEHOLDER_DATA;else{let e=this.demuxer.reader.requestSlice(a.dataStart,a.dataSize);if(e instanceof Promise&&(e=await e),!e)return null;r=(0,h.readBytes)(e,a.dataSize)}return new(0,u.EncodedPacket)(r,"key",a.timestamp,a.duration,e,a.dataSize)}getFirstPacket(e){return this.getPacketAtIndex(0,e)}async getNextPacket(e,t){let r=await this.demuxer.readingMutex.acquire();try{let r=(0,d.binarySearchExact)(this.demuxer.loadedSamples,e.timestamp,e=>e.timestamp);if(-1===r)throw Error("Packet was not created from this track.");let a=r+1;for(;a>=this.demuxer.loadedSamples.length&&!this.demuxer.lastSampleLoaded;)await this.demuxer.advanceReader();return this.getPacketAtIndex(a,t)}finally{r()}}async getPacket(e,t){let r=await this.demuxer.readingMutex.acquire();try{for(;;){let r=(0,d.binarySearchLessOrEqual)(this.demuxer.loadedSamples,e,e=>e.timestamp);if(-1===r&&this.demuxer.loadedSamples.length>0)return null;if(this.demuxer.lastSampleLoaded||r>=0&&r+1<this.demuxer.loadedSamples.length)return this.getPacketAtIndex(r,t);await this.demuxer.advanceReader()}}finally{r()}}getKeyPacket(e,t){return this.getPacket(e,t)}getNextKeyPacket(e,t){return this.getNextPacket(e,t)}}},{"../codec.js":"4GUiq","../demuxer.js":"73Qqp","../id3.js":"8coNE","../input-track.js":"aU0uf","../metadata.js":"1RzS5","../misc.js":"jrq2g","../packet.js":"8dQhf","../reader.js":"6AkKg","./adts-reader.js":"iNEYI","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],"4fsLo":[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"FlacDemuxer",()=>m);var s=e("../codec-data.js"),n=e("../demuxer.js"),o=e("../input-track.js"),l=e("../misc.js"),c=e("../packet.js"),d=e("../reader.js"),u=e("../metadata.js"),h=e("./flac-misc.js");class m extends n.Demuxer{constructor(e){super(e),this.loadedSamples=[],this.metadataPromise=null,this.track=null,this.metadataTags={},this.audioInfo=null,this.lastLoadedPos=null,this.blockingBit=null,this.readingMutex=new(0,l.AsyncMutex),this.lastSampleLoaded=!1,this.reader=e._reader}async computeDuration(){return await this.readMetadata(),(0,l.assert)(this.track),this.track.computeDuration()}async getMetadataTags(){return await this.readMetadata(),this.metadataTags}async getTracks(){return await this.readMetadata(),(0,l.assert)(this.track),[this.track]}async getMimeType(){return"audio/flac"}async readMetadata(){let e=4;return this.metadataPromise??=(async()=>{for(;null===this.reader.fileSize||e<this.reader.fileSize;){let t=this.reader.requestSlice(e,4);if(t instanceof Promise&&(t=await t),e+=4,null===t)throw Error(`Metadata block at position ${e} is too small! Corrupted file.`);(0,l.assert)(t);let r=(0,d.readU8)(t),a=(0,d.readU24Be)(t),i=(128&r)!=0;switch(127&r){case s.FlacBlockType.STREAMINFO:{let t=this.reader.requestSlice(e,a);if(t instanceof Promise&&(t=await t),(0,l.assert)(t),null===t)throw Error(`StreamInfo block at position ${e} is too small! Corrupted file.`);let r=(0,d.readBytes)(t,34),i=new(0,l.Bitstream)(r),s=i.readBits(16),n=i.readBits(16),c=i.readBits(24),u=i.readBits(24),h=i.readBits(20),m=i.readBits(3)+1;i.readBits(5);let f=i.readBits(36);i.skipBits(128);let g=new Uint8Array(42);g.set(new Uint8Array([102,76,97,67]),0),g.set(new Uint8Array([128,0,0,34]),4),g.set(r,8),this.audioInfo={numberOfChannels:m,sampleRate:h,totalSamples:f,minimumBlockSize:s,maximumBlockSize:n,minimumFrameSize:c,maximumFrameSize:u,description:g},this.track=new(0,o.InputAudioTrack)(this.input,new p(this));break}case s.FlacBlockType.VORBIS_COMMENT:{let t=this.reader.requestSlice(e,a);t instanceof Promise&&(t=await t),(0,l.assert)(t),(0,s.readVorbisComments)((0,d.readBytes)(t,a),this.metadataTags);break}case s.FlacBlockType.PICTURE:{let t=this.reader.requestSlice(e,a);t instanceof Promise&&(t=await t),(0,l.assert)(t);let r=(0,d.readU32Be)(t),i=(0,d.readU32Be)(t),s=l.textDecoder.decode((0,d.readBytes)(t,i)),n=(0,d.readU32Be)(t),o=l.textDecoder.decode((0,d.readBytes)(t,n));t.skip(16);let c=(0,d.readU32Be)(t),u=(0,d.readBytes)(t,c);this.metadataTags.images??=[],this.metadataTags.images.push({data:u,mimeType:s,kind:3===r?"coverFront":4===r?"coverBack":"unknown",description:o})}}if(e+=a,i){this.lastLoadedPos=e;break}}})()}async readNextFlacFrame({startPos:e,isFirstPacket:t}){(0,l.assert)(this.audioInfo);let r=this.audioInfo.maximumFrameSize+16,a=await this.reader.requestSliceRange(e,this.audioInfo.minimumFrameSize,r);if(!a)return null;let i=this.readFlacFrameHeader({slice:a,isFirstPacket:t});if(!i)return null;for(a.filePos=e+this.audioInfo.minimumFrameSize;;){if(a.filePos>a.end-6)return{num:i.num,blockSize:i.blockSize,sampleRate:i.sampleRate,size:a.end-e,isLastFrame:!0};if(255===(0,d.readU8)(a)){let t=a.filePos;if((0,d.readU8)(a)!==(1===this.blockingBit?249:248)){a.filePos=t;continue}a.skip(-2);let r=a.filePos-e,s=this.readFlacFrameHeader({slice:a,isFirstPacket:!1});if(!s){a.filePos=t;continue}if(0===this.blockingBit){if(s.num-i.num!=1){a.filePos=t;continue}}else if(s.num-i.num!==i.blockSize){a.filePos=t;continue}return{num:i.num,blockSize:i.blockSize,sampleRate:i.sampleRate,size:r,isLastFrame:!1}}}}readFlacFrameHeader({slice:e,isFirstPacket:t}){let r=e.filePos,a=(0,d.readBytes)(e,4),i=new(0,l.Bitstream)(a);if(32764!==i.readBits(15))return null;if(null===this.blockingBit){(0,l.assert)(t);let e=i.readBits(1);this.blockingBit=e}else if(1===this.blockingBit){if((0,l.assert)(!t),1!==i.readBits(1))return null}else if(0===this.blockingBit){if((0,l.assert)(!t),0!==i.readBits(1))return null}else throw Error("Invalid blocking bit");let s=(0,h.getBlockSizeOrUncommon)(i.readBits(4));if(!s)return null;(0,l.assert)(this.audioInfo);let n=(0,h.getSampleRateOrUncommon)(i.readBits(4),this.audioInfo.sampleRate);if(!n||(i.readBits(4),i.readBits(3),0!==i.readBits(1)))return null;let o=(0,h.readCodedNumber)(e),c=(0,h.readBlockSize)(e,s),u=(0,h.readSampleRate)(e,n);if(null===u||u!==this.audioInfo.sampleRate)return null;let m=e.filePos-r,p=(0,d.readU8)(e);return(e.skip(-m),e.skip(-1),p!==(0,h.calculateCrc8)((0,d.readBytes)(e,m)))?null:{num:o,blockSize:c,sampleRate:u}}async advanceReader(){await this.readMetadata(),(0,l.assert)(null!==this.lastLoadedPos),(0,l.assert)(this.audioInfo);let e=this.lastLoadedPos,t=await this.readNextFlacFrame({startPos:e,isFirstPacket:0===this.loadedSamples.length});if(!t){this.lastSampleLoaded=!0;return}let r=this.loadedSamples[this.loadedSamples.length-1],a={blockOffset:r?r.blockOffset+r.blockSize:0,blockSize:t.blockSize,byteOffset:e,byteSize:t.size};if(this.lastLoadedPos=this.lastLoadedPos+t.size,this.loadedSamples.push(a),t.isLastFrame){this.lastSampleLoaded=!0;return}}}class p{constructor(e){this.demuxer=e}getId(){return 1}getNumber(){return 1}getCodec(){return"flac"}getInternalCodecId(){return null}getNumberOfChannels(){return(0,l.assert)(this.demuxer.audioInfo),this.demuxer.audioInfo.numberOfChannels}async computeDuration(){let e=await this.getPacket(1/0,{metadataOnly:!0});return(e?.timestamp??0)+(e?.duration??0)}getSampleRate(){return(0,l.assert)(this.demuxer.audioInfo),this.demuxer.audioInfo.sampleRate}getName(){return null}getLanguageCode(){return l.UNDETERMINED_LANGUAGE}getTimeResolution(){return(0,l.assert)(this.demuxer.audioInfo),this.demuxer.audioInfo.sampleRate}getDisposition(){return{...u.DEFAULT_TRACK_DISPOSITION}}async getFirstTimestamp(){return 0}async getDecoderConfig(){return(0,l.assert)(this.demuxer.audioInfo),{codec:"flac",numberOfChannels:this.demuxer.audioInfo.numberOfChannels,sampleRate:this.demuxer.audioInfo.sampleRate,description:this.demuxer.audioInfo.description}}async getPacket(e,t){if((0,l.assert)(this.demuxer.audioInfo),e<0)throw Error("Timestamp cannot be negative");let r=await this.demuxer.readingMutex.acquire();try{for(;;){let r=(0,l.binarySearchLessOrEqual)(this.demuxer.loadedSamples,e,e=>e.blockOffset/this.demuxer.audioInfo.sampleRate);if(-1===r){await this.demuxer.advanceReader();continue}let a=this.demuxer.loadedSamples[r],i=a.blockOffset/this.demuxer.audioInfo.sampleRate,s=a.blockSize/this.demuxer.audioInfo.sampleRate;if(i+s<=e){if(this.demuxer.lastSampleLoaded)return this.getPacketAtIndex(this.demuxer.loadedSamples.length-1,t);await this.demuxer.advanceReader();continue}return this.getPacketAtIndex(r,t)}}finally{r()}}async getNextPacket(e,t){let r=await this.demuxer.readingMutex.acquire();try{let r=e.sequenceNumber+1;if(this.demuxer.lastSampleLoaded&&r>=this.demuxer.loadedSamples.length)return null;for(;r>=this.demuxer.loadedSamples.length&&!this.demuxer.lastSampleLoaded;)await this.demuxer.advanceReader();return this.getPacketAtIndex(r,t)}finally{r()}}getKeyPacket(e,t){return this.getPacket(e,t)}getNextKeyPacket(e,t){return this.getNextPacket(e,t)}async getPacketAtIndex(e,t){let r,a=this.demuxer.loadedSamples[e];if(!a)return null;if(t.metadataOnly)r=c.PLACEHOLDER_DATA;else{let e=this.demuxer.reader.requestSlice(a.byteOffset,a.byteSize);if(e instanceof Promise&&(e=await e),!e)return null;r=(0,d.readBytes)(e,a.byteSize)}(0,l.assert)(this.demuxer.audioInfo);let i=a.blockOffset/this.demuxer.audioInfo.sampleRate,s=a.blockSize/this.demuxer.audioInfo.sampleRate;return new(0,c.EncodedPacket)(r,"key",i,s,e,a.byteSize)}async getFirstPacket(e){for(;0===this.demuxer.loadedSamples.length&&!this.demuxer.lastSampleLoaded;)await this.demuxer.advanceReader();return this.getPacketAtIndex(0,e)}}},{"../codec-data.js":"zx4dz","../demuxer.js":"73Qqp","../input-track.js":"aU0uf","../misc.js":"jrq2g","../packet.js":"8dQhf","../reader.js":"6AkKg","../metadata.js":"1RzS5","./flac-misc.js":"G9NqQ","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],G9NqQ:[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"getBlockSizeOrUncommon",()=>o),i.export(r,"getSampleRateOrUncommon",()=>l),i.export(r,"readCodedNumber",()=>c),i.export(r,"readBlockSize",()=>d),i.export(r,"readSampleRate",()=>u),i.export(r,"calculateCrc8",()=>h);var s=e("../misc.js"),n=e("../reader.js");let o=e=>{if(0===e)return null;if(1===e)return 192;if(e>=2&&e<=5)return 144*2**e;if(6===e)return"uncommon-u8";if(7===e)return"uncommon-u16";else if(e>=8&&e<=15)return 2**e;else return null},l=(e,t)=>{switch(e){case 0:return t;case 1:return 88200;case 2:return 176400;case 3:return 192e3;case 4:return 8e3;case 5:return 16e3;case 6:return 22050;case 7:return 24e3;case 8:return 32e3;case 9:return 44100;case 10:return 48e3;case 11:return 96e3;case 12:return"uncommon-u8";case 13:return"uncommon-u16";case 14:return"uncommon-u16-10";default:return null}},c=e=>{let t=0,r=new(0,s.Bitstream)((0,n.readBytes)(e,1));for(;1===r.readBits(1);)t++;if(0===t)return r.readBits(7);let a=[],i=t-1,o=new(0,s.Bitstream)((0,n.readBytes)(e,i)),l=8-t-1;for(let e=0;e<l;e++)a.unshift(r.readBits(1));for(let e=0;e<i;e++)for(let e=0;e<8;e++){let t=o.readBits(1);e<2||a.unshift(t)}return a.reduce((e,t,r)=>e|t<<r,0)},d=(e,t)=>"uncommon-u16"===t?(0,n.readU16Be)(e)+1:"uncommon-u8"===t?(0,n.readU8)(e)+1:"number"==typeof t?t:void((0,s.assertNever)(t),(0,s.assert)(!1)),u=(e,t)=>"uncommon-u16"===t?(0,n.readU16Be)(e):"uncommon-u16-10"===t?10*(0,n.readU16Be)(e):"uncommon-u8"===t?(0,n.readU8)(e):"number"==typeof t?t:null,h=e=>{let t=0;for(let r of e){t^=r;for(let e=0;e<8;e++)(128&t)!=0?t=t<<1^7:t<<=1,t&=255}return t}},{"../misc.js":"jrq2g","../reader.js":"6AkKg","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],hFAEl:[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"MpegTsDemuxer",()=>k),i.export(r,"MpegTsTrackBacking",()=>S);var s=e("../adts/adts-demuxer.js"),n=e("../adts/adts-reader.js"),o=e("../codec.js"),l=e("../codec-data.js"),c=e("../demuxer.js"),d=e("../input-track.js"),u=e("../metadata.js"),h=e("../misc.js"),m=e("../../shared/mp3-misc.js"),p=e("../packet.js"),f=e("../reader.js"),g=e("./mpeg-ts-misc.js");class k extends c.Demuxer{constructor(e){super(e),this.metadataPromise=null,this.elementaryStreams=[],this.tracks=[],this.packetOffset=0,this.packetStride=-1,this.sectionEndPositions=[],this.seekChunkSize=5242880,this.minReferencePointByteDistance=-1,this.reader=e._reader}async readMetadata(){return this.metadataPromise??=(async()=>{let e=g.TS_PACKET_SIZE+16+1,t=this.reader.requestSlice(0,e);t instanceof Promise&&(t=await t),(0,h.assert)(t);let r=(0,f.readBytes)(t,e);if(71===r[0]&&71===r[g.TS_PACKET_SIZE])this.packetOffset=0,this.packetStride=g.TS_PACKET_SIZE;else if(71===r[0]&&71===r[g.TS_PACKET_SIZE+16])this.packetOffset=0,this.packetStride=g.TS_PACKET_SIZE+16;else if(71===r[4]&&71===r[4+g.TS_PACKET_SIZE])this.packetOffset=4,this.packetStride=g.TS_PACKET_SIZE;else throw Error("Unreachable.");this.minReferencePointByteDistance=256*this.packetStride;let a=this.packetOffset,i=null,s=!1,c=!1;for(;;){let e=await this.readPacketHeader(a);if(!e)break;if(0===e.payloadUnitStartIndicator){a+=this.packetStride;continue}let t=await this.readSection(a,!0,!c);if(!t)break;let r=!1;if(!c&&0!==t.pid&&(0!==t.payload[0]||0!==t.payload[1]||1!==t.payload[2])){let e=new(0,h.Bitstream)(t.payload),a=e.readAlignedByte();e.skipBits(8*a),r=2===e.readBits(8)}if(0!==t.pid||s)if((t.pid===i||r)&&!c){let e=new(0,h.Bitstream)(t.payload),r=e.readAlignedByte();e.skipBits(8*r),e.skipBits(12);let a=e.readBits(12);e.skipBits(43),e.readBits(13),e.skipBits(6);let i=e.readBits(10);for(e.skipBits(8*i);8*(a+3)-e.pos>32;){let t=e.readBits(8);e.skipBits(3);let r=e.readBits(13);e.skipBits(6);let a=e.readBits(10);e.skipBits(8*a);let i=null;switch(t){case 3:case 4:case 15:i={type:"audio",codec:15===t?"aac":"mp3",aacCodecInfo:null,numberOfChannels:-1,sampleRate:-1};break;case 27:case 36:i={type:"video",codec:27===t?"avc":"hevc",avcCodecInfo:null,hevcCodecInfo:null,colorSpace:{primaries:null,transfer:null,matrix:null,fullRange:null},width:-1,height:-1,reorderSize:-1};break;default:console.warn(`Unsupported stream_type 0x${t.toString(16)}; ignoring stream.`)}i&&this.elementaryStreams.push({demuxer:this,pid:r,streamType:t,initialized:!1,firstSection:null,info:i,referencePesPackets:[]})}c=!0}else{let e=this.elementaryStreams.find(e=>e.pid===t.pid);if(e&&!e.initialized){let r=y(t);if(!r)throw Error(`Couldn't read first PES packet for Elementary Stream with PID ${e.pid}`);if(e.firstSection=t,"video"===e.info.type)if("avc"===e.info.codec){if(e.info.avcCodecInfo=(0,l.extractAvcDecoderConfigurationRecord)(r.data),!e.info.avcCodecInfo)throw Error("Invalid AVC video stream; could not extract AVCDecoderConfigurationRecord from first packet.");let t=e.info.avcCodecInfo.sequenceParameterSets[0];(0,h.assert)(t);let a=(0,l.parseAvcSps)(t);e.info.width=a.displayWidth,e.info.height=a.displayHeight,e.info.colorSpace={primaries:h.COLOR_PRIMARIES_MAP_INVERSE[a.colourPrimaries],transfer:h.TRANSFER_CHARACTERISTICS_MAP_INVERSE[a.transferCharacteristics],matrix:h.MATRIX_COEFFICIENTS_MAP_INVERSE[a.matrixCoefficients],fullRange:!!a.fullRangeFlag},e.info.reorderSize=a.maxDecFrameBuffering,e.initialized=!0}else if("hevc"===e.info.codec){if(e.info.hevcCodecInfo=(0,l.extractHevcDecoderConfigurationRecord)(r.data),!e.info.hevcCodecInfo)throw Error("Invalid HEVC video stream; could not extract HVCDecoderConfigurationRecord from first packet.");let t=e.info.hevcCodecInfo.arrays.find(e=>e.nalUnitType===l.HevcNalUnitType.SPS_NUT).nalUnits[0];(0,h.assert)(t);let a=(0,l.parseHevcSps)(t);e.info.width=a.displayWidth,e.info.height=a.displayHeight,e.info.colorSpace={primaries:h.COLOR_PRIMARIES_MAP_INVERSE[a.colourPrimaries],transfer:h.TRANSFER_CHARACTERISTICS_MAP_INVERSE[a.transferCharacteristics],matrix:h.MATRIX_COEFFICIENTS_MAP_INVERSE[a.matrixCoefficients],fullRange:!!a.fullRangeFlag},e.info.reorderSize=a.maxDecFrameBuffering,e.initialized=!0}else throw Error("Unhandled.");else if("aac"===e.info.codec){let t=f.FileSlice.tempFromBytes(r.data),a=(0,n.readAdtsFrameHeader)(t);if(!a)throw Error("Invalid AAC audio stream; could not read ADTS frame header from first packet.");e.info.aacCodecInfo={isMpeg2:!1,objectType:a.objectType},e.info.numberOfChannels=o.aacChannelMap[a.channelConfiguration],e.info.sampleRate=o.aacFrequencyTable[a.samplingFrequencyIndex],e.initialized=!0}else if("mp3"===e.info.codec){let t=(0,f.readU32Be)(f.FileSlice.tempFromBytes(r.data)),a=(0,m.readMp3FrameHeader)(t,r.data.byteLength);if(!a.header)throw Error("Invalid MP3 audio stream; could not read frame header from first packet.");e.info.numberOfChannels=3===a.header.channel?1:2,e.info.sampleRate=a.header.sampleRate,e.initialized=!0}else throw Error("Unhandled.")}}else{let e=new(0,h.Bitstream)(t.payload),r=e.readAlignedByte();e.skipBits(8*r),e.skipBits(14);let a=e.readBits(10);for(e.skipBits(40);8*(a+3)-e.pos>32;){let t=e.readBits(16);if(e.skipBits(3),0!==t)if(null!==i)throw Error("Only files with a single program are supported.");else i=e.readBits(13)}if(null===i)throw Error("Program Association Table must link to a Program Map Table.");s=!0}if(c&&this.elementaryStreams.every(e=>e.initialized))break;a+=this.packetStride}if(!c){if(!s)throw Error("No Program Association Table found in the file.");throw Error("No Program Map Table found in the file.")}for(let e of this.elementaryStreams)"video"===e.info.type?this.tracks.push(new(0,d.InputVideoTrack)(this.input,new T(e))):this.tracks.push(new(0,d.InputAudioTrack)(this.input,new I(e)))})()}async getTracks(){return await this.readMetadata(),this.tracks}async getMetadataTags(){return{}}async computeDuration(){let e=await this.getTracks();return Math.max(0,...await Promise.all(e.map(e=>e.computeDuration())))}async getMimeType(){await this.readMetadata();let e=await this.getTracks(),t=await Promise.all(e.map(e=>e.getCodecParameterString()));return(0,g.buildMpegTsMimeType)(t)}async readSection(e,t,r=!1){let a,i=e,s=e,n=[],o=0,l=null,c=!0,d=0;for(;;){let e=await this.readPacket(s);if(s+=this.packetStride,!e)break;if(l){if(e.pid!==l.pid)if(!r)continue;else break;if(1===e.payloadUnitStartIndicator)break}else{if(0===e.payloadUnitStartIndicator)break;l=e}let a=!!(2&e.adaptationFieldControl),u=!!(1&e.adaptationFieldControl),m=0;if(a&&(m=1+e.body[0],e===l&&m>1&&(d=e.body[1]>>6&1)),u&&(0===m?(n.push(e.body),o+=e.body.byteLength):(n.push(e.body.subarray(m)),o+=e.body.byteLength-m)),i=s,!t&&o>=64||-1!==(0,h.binarySearchExact)(this.sectionEndPositions,i,e=>e)){c=!1;break}}if(c){let e=(0,h.binarySearchLessOrEqual)(this.sectionEndPositions,i,e=>e);this.sectionEndPositions.splice(e+1,0,i)}if(!l)return null;if(1===n.length)a=n[0];else{a=new Uint8Array(n.reduce((e,t)=>e+t.length,0));let e=0;for(let t of n)a.set(t,e),e+=t.length}return{startPos:e,endPos:t?i:null,pid:l.pid,payload:a,randomAccessIndicator:d}}async readPacketHeader(e){let t=this.reader.requestSlice(e,4);if(t instanceof Promise&&(t=await t),!t)return null;if(71!==(0,f.readU8)(t))throw Error("Invalid TS packet sync byte. Likely an internal bug, please report this file.");let r=(0,f.readU16Be)(t);return{payloadUnitStartIndicator:r>>14&1,pid:8191&r,adaptationFieldControl:(0,f.readU8)(t)>>4&3}}async readPacket(e){let t=this.reader.requestSlice(e,g.TS_PACKET_SIZE);if(t instanceof Promise&&(t=await t),!t)return null;let r=(0,f.readBytes)(t,g.TS_PACKET_SIZE);if(71!==r[0])throw Error("Invalid TS packet sync byte. Likely an internal bug, please report this file.");let a=(r[1]<<8)+r[2];return{payloadUnitStartIndicator:a>>14&1,pid:8191&a,adaptationFieldControl:r[3]>>4&3,body:r.subarray(4)}}}let b=e=>{if(e.payload.byteLength<3)return null;let t=new(0,h.Bitstream)(e.payload);if(1!==t.readBits(24))return null;let r=t.readBits(8);if(t.skipBits(16),188===r||190===r||191===r||240===r||241===r||255===r||242===r||248===r)return null;t.skipBits(8);let a=t.readBits(2);t.skipBits(14);let i=0;if(2===a||3===a)t.skipBits(4),i+=0x40000000*t.readBits(3),t.skipBits(1),i+=32768*t.readBits(15),t.skipBits(1),i+=t.readBits(15);else throw Error("PES packets without PTS are not currently supported. If you think this file should be supported, please report it.");return{sectionStartPos:e.startPos,sectionEndPos:e.endPos,pts:i,randomAccessIndicator:e.randomAccessIndicator}},y=e=>{(0,h.assert)(null!==e.endPos);let t=b(e);if(!t)return null;let r=new(0,h.Bitstream)(e.payload);r.skipBits(32);let a=r.readBits(16);r.skipBits(16);let i=r.readBits(8),s=r.pos+8*i;r.pos=s;let n=s/8;(0,h.assert)(Number.isInteger(n));let o=e.payload.subarray(n,a>0?6+a:e.payload.byteLength);return{...t,data:o}};class S{constructor(e){this.elementaryStream=e,this.packetBuffers=new WeakMap,this.packetSectionStarts=new WeakMap}getId(){return this.elementaryStream.pid}getNumber(){let e=this.elementaryStream.demuxer,t=this.elementaryStream.info.type,r=0;for(let a of e.tracks)if(a.type===t&&r++,(0,h.assert)(a._backing instanceof S),a._backing.elementaryStream===this.elementaryStream)break;return r}getCodec(){throw Error("Not implemented on base class.")}getInternalCodecId(){return this.elementaryStream.streamType}getName(){return null}getLanguageCode(){return h.UNDETERMINED_LANGUAGE}getDisposition(){return u.DEFAULT_TRACK_DISPOSITION}getTimeResolution(){return g.TIMESCALE}async computeDuration(){let e=await this.getPacket(1/0,{metadataOnly:!0});return(e?.timestamp??0)+(e?.duration??0)}async getFirstTimestamp(){let e=await this.getFirstPacket({metadataOnly:!0});return e?.timestamp??0}createEncodedPacket(e,t,r){let a;return a=this.allPacketsAreKeyPackets()||1===e.randomAccessIndicator?"key":"delta",new(0,p.EncodedPacket)(r.metadataOnly?p.PLACEHOLDER_DATA:e.data,a,e.pts/g.TIMESCALE,Math.max(t/g.TIMESCALE,0),e.sequenceNumber,e.data.byteLength)}async getFirstPacket(e){let t=this.elementaryStream.firstSection;(0,h.assert)(t);let r=y(t);(0,h.assert)(r);let a=new P(this,new E(this.elementaryStream,r)),i=await a.readNext();if(!i)return null;let s=this.createEncodedPacket(i.packet,i.duration,e);return this.packetBuffers.set(s,a),this.packetSectionStarts.set(s,i.packet.sectionStartPos),s}async getNextPacket(e,t){let r=this.packetBuffers.get(e);if(r){let a=await r.readNext();if(!a)return null;this.packetBuffers.delete(e);let i=this.createEncodedPacket(a.packet,a.duration,t);return this.packetBuffers.set(i,r),this.packetSectionStarts.set(i,a.packet.sectionStartPos),i}let a=this.packetSectionStarts.get(e);if(void 0===a)throw Error("Packet was not created from this track.");let i=this.elementaryStream.demuxer,s=await i.readSection(a,!0);(0,h.assert)(s);let n=y(s);(0,h.assert)(n),r=new P(this,new E(this.elementaryStream,n));let o=e.sequenceNumber;for(;;){let e=await r.readNext();if(!e)return null;if(e.packet.sequenceNumber>o){let a=this.createEncodedPacket(e.packet,e.duration,t);return this.packetBuffers.set(a,r),this.packetSectionStarts.set(a,e.packet.sectionStartPos),a}}}async getNextKeyPacket(e,t){let r=e;for(;;){if(!(r=await this.getNextPacket(r,t)))return null;if("key"===r.type)return r}}getPacket(e,t){return this.doPacketLookup(e,!1,t)}getKeyPacket(e,t){return this.doPacketLookup(e,!0,t)}async doPacketLookup(e,t,r){let a,i=(0,h.roundIfAlmostInteger)(e*g.TIMESCALE),s=this.elementaryStream.demuxer,{reader:n,seekChunkSize:o}=s,l=this.elementaryStream.pid,c=async(e,t)=>{let r=e;for(;r<t;){let e=await s.readPacketHeader(r);if(!e)break;if(e.pid===l&&1===e.payloadUnitStartIndicator){let e=await s.readSection(r,!1);if(!e)return null;let t=b(e);if(t)return t}r+=s.packetStride}return null},d=this.elementaryStream.firstSection;(0,h.assert)(d);let u=b(d);if((0,h.assert)(u),i<u.pts)return null;let m=this.elementaryStream.referencePesPackets,p=(0,h.binarySearchLessOrEqual)(m,i,e=>e.pts),f=-1!==p?m[p]:null;if(f&&i-f.pts<g.TIMESCALE/2)a=f.sectionStartPos;else{let e=0;if(null!==n.fileSize){let t=Math.ceil(n.fileSize/o);if(t>1){let r=0,a=t-1;for(e=0;r<=a;){let t=Math.floor((r+a)/2),n=(0,h.floorToMultiple)(t*o,s.packetStride)+u.sectionStartPos,l=n+o,d=await c(n,l);if(!d){a=t-1;continue}d.pts<=i?(e=t,r=t+1):a=t-1}}}a=(0,h.floorToMultiple)(e*o,s.packetStride)+u.sectionStartPos}let k=await c(a,n.fileSize??1/0);k||(k=u);let S=this.getReorderSize(),T=async(e,t)=>{let a=await s.readSection(e,!0);(0,h.assert)(a);let n=y(a);(0,h.assert)(n);let o=new P(this,new E(this.elementaryStream,n));for(;!(((0,h.last)(o.presentationOrderPackets)?.pts??-1/0)>=i)&&await o.readNextPacket(););let l=(0,h.findLastIndex)(o.presentationOrderPackets,t);if(-1===l)return null;let c=o.presentationOrderPackets[l],d=0===l?0:c.pts-o.presentationOrderPackets[l-1].pts;for(;o.decodeOrderPackets[0]!==c;)o.decodeOrderPackets.shift();o.lastDuration=d;let u=await o.readNext();(0,h.assert)(u);let m=this.createEncodedPacket(u.packet,u.duration,r);return this.packetBuffers.set(m,o),this.packetSectionStarts.set(m,u.packet.sectionStartPos),m};if(!t||this.allPacketsAreKeyPackets()){e:for(;;){let e=k.sectionStartPos+s.packetStride;for(;;){let t=await s.readPacketHeader(e);if(!t)break e;if(t.pid===l&&1===t.payloadUnitStartIndicator){let t=await s.readSection(e,!1);if(t){let e=b(t);if(e){if(e.pts>i)break e;k=e,w(this.elementaryStream,e);break}}}e+=s.packetStride}}e:for(let e=0;e<S;e++){let e=k.sectionStartPos-s.packetStride;for(;e>=s.packetOffset;){let t=await s.readPacketHeader(e);if(!t)break e;if(t.pid===l&&1===t.payloadUnitStartIndicator){let t=await s.readSection(e,!1);if(t){let e=b(t);if(e){k=e;break}}}e-=s.packetStride}}return T(k.sectionStartPos,e=>e.pts<=i)}{let e=a,t=null;for(;;){let r,a=null,d=e<=u.sectionStartPos;d?(r=u,a=u):r=await c(e,n.fileSize??1/0);let m=!1,p=0;e:for(;r&&(null===t||!(r.sectionStartPos>=t))&&(1===r.randomAccessIndicator&&r.pts<=i&&(a=r),r.pts>i&&(m=!0),!(m&&++p>=S));){;let e=r.sectionStartPos+s.packetStride;for(;;){let t=await s.readPacketHeader(e);if(!t)break e;if(t.pid===l&&1===t.payloadUnitStartIndicator){let t=await s.readSection(e,!1);if(t&&(r=b(t))){w(this.elementaryStream,r);break}}e+=s.packetStride}}if(a){let e=a;if(0===p)e:for(let t=0;t<S-1;t++){let t=e.sectionStartPos-s.packetStride;for(;t>=s.packetOffset;){let r=await s.readPacketHeader(t);if(!r)break e;if(r.pid===l&&1===r.payloadUnitStartIndicator){let r=await s.readSection(t,!1);if(r){let t=b(r);if(t){e=t;break}}}t-=s.packetStride}}let t=await T(e.sectionStartPos,e=>e.pts<=i&&1===e.randomAccessIndicator);return(0,h.assert)(t),t}(0,h.assert)(!d),t=e,e=Math.max((0,h.floorToMultiple)(e-u.sectionStartPos-o,s.packetStride)+u.sectionStartPos,u.sectionStartPos)}}}}class T extends S{constructor(e){super(e),this.elementaryStream=e,this.decoderConfig={codec:(0,o.extractVideoCodecString)({width:this.elementaryStream.info.width,height:this.elementaryStream.info.height,codec:this.elementaryStream.info.codec,codecDescription:null,colorSpace:this.elementaryStream.info.colorSpace,avcType:1,avcCodecInfo:this.elementaryStream.info.avcCodecInfo,hevcCodecInfo:this.elementaryStream.info.hevcCodecInfo,vp9CodecInfo:null,av1CodecInfo:null}),codedWidth:this.elementaryStream.info.width,codedHeight:this.elementaryStream.info.height,colorSpace:this.elementaryStream.info.colorSpace}}getCodec(){return this.elementaryStream.info.codec}getCodedWidth(){return this.elementaryStream.info.width}getCodedHeight(){return this.elementaryStream.info.height}getRotation(){return 0}async getColorSpace(){return this.elementaryStream.info.colorSpace}async canBeTransparent(){return!1}async getDecoderConfig(){return this.decoderConfig}allPacketsAreKeyPackets(){return!1}getReorderSize(){return this.elementaryStream.info.reorderSize}}class I extends S{constructor(e){super(e),this.elementaryStream=e}getCodec(){return this.elementaryStream.info.codec}getNumberOfChannels(){return this.elementaryStream.info.numberOfChannels}getSampleRate(){return this.elementaryStream.info.sampleRate}async getDecoderConfig(){return{codec:(0,o.extractAudioCodecString)({codec:this.elementaryStream.info.codec,codecDescription:null,aacCodecInfo:this.elementaryStream.info.aacCodecInfo}),numberOfChannels:this.elementaryStream.info.numberOfChannels,sampleRate:this.elementaryStream.info.sampleRate}}allPacketsAreKeyPackets(){return!0}getReorderSize(){return 1}}let w=(e,t)=>{let r=e.referencePesPackets,a=(0,h.binarySearchLessOrEqual)(r,t.sectionStartPos,e=>e.sectionStartPos);if(a>=0){let i=r[a];if(t.pts<=i.pts)return!1;let s=e.demuxer.minReferencePointByteDistance;if(t.sectionStartPos-i.sectionStartPos<s)return!1;if(a<r.length-1){let e=r[a+1];if(e.pts<t.pts||e.sectionStartPos-t.sectionStartPos<s)return!1}}return r.splice(a+1,0,t),!0},x=async e=>{(0,h.assert)(!e.suppliedPacket);let t=e.elementaryStream;if("video"===t.info.type){let r=t.info.codec;if("avc"!==r&&"hevc"!==r)throw Error("Unhandled.");let a=null;for(;;){let t=e.ensureBuffered(1024);if(t instanceof Promise&&(t=await t),0===t)break;let i=e.currentPos,s=e.readBytes(t),n=s.byteLength,o=0;for(;o<n;){let t=s.indexOf(0,o);if(-1===t||t>=n)break;let c=i+(o=t);if(o+4>=n){e.seekTo(c);break}let d=s[o+1],u=s[o+2],h=s[o+3],m=0,p=null;if(0===d&&0===u&&1===h?(m=4,p=s[o+4]):0===d&&1===u&&(m=3,p=h),0===m){o++;continue}if(null===a){a=c,o+=m;continue}if(null!==p){let t="avc"===r?(0,l.extractNalUnitTypeForAvc)(p):(0,l.extractNalUnitTypeForHevc)(p);if("avc"===r?t===l.AvcNalUnitType.AUD:t===l.HevcNalUnitType.AUD_NUT){let t=c-a;return e.seekTo(a),e.supplyPacket(t,0)}}o+=m}if(t<1024)break}if(null!==a){let t=e.endPos-a;return e.seekTo(a),e.supplyPacket(t,0)}}else{let r=t.info.codec;for(;;){let a=e.ensureBuffered(128);a instanceof Promise&&(a=await a);let i=e.currentPos;for(;e.currentPos-i<a;){let a=e.readU8();if("aac"===r){if(255!==a)continue;e.skip(-1);let r=e.currentPos,i=e.ensureBuffered(n.MAX_ADTS_FRAME_HEADER_SIZE);if(i instanceof Promise&&(i=await i),i<n.MAX_ADTS_FRAME_HEADER_SIZE)return;let o=e.readBytes(n.MAX_ADTS_FRAME_HEADER_SIZE),l=(0,n.readAdtsFrameHeader)(f.FileSlice.tempFromBytes(o));if(l){e.seekTo(r);let a=e.ensureBuffered(l.frameLength);return a instanceof Promise&&(a=await a),e.supplyPacket(a,Math.round(s.SAMPLES_PER_AAC_FRAME*g.TIMESCALE/t.info.sampleRate))}e.seekTo(r+1)}else if("mp3"===r){if(255!==a)continue;e.skip(-1);let r=e.currentPos,i=e.ensureBuffered(m.FRAME_HEADER_SIZE);if(i instanceof Promise&&(i=await i),i<m.FRAME_HEADER_SIZE)return;let s=e.readBytes(m.FRAME_HEADER_SIZE),n=(0,h.toDataView)(s).getUint32(0),o=(0,m.readMp3FrameHeader)(n,null);if(o.header){e.seekTo(r);let a=e.ensureBuffered(o.header.totalSize);a instanceof Promise&&(a=await a);let i=o.header.audioSamplesInFrame*g.TIMESCALE/t.info.sampleRate;return e.supplyPacket(a,Math.round(i))}e.seekTo(r+1)}else throw Error("Unhandled.")}if(a<128)break}}};class E{constructor(e,t){this.currentPos=0,this.pesPackets=[],this.currentPesPacketIndex=0,this.currentPesPacketPos=0,this.endPos=0,this.nextPts=0,this.suppliedPacket=null,this.elementaryStream=e,this.pid=e.pid,this.demuxer=e.demuxer,this.startingPesPacket=t}clone(){let e=new E(this.elementaryStream,this.startingPesPacket);return e.currentPos=this.currentPos,e.pesPackets=[...this.pesPackets],e.currentPesPacketIndex=this.currentPesPacketIndex,e.currentPesPacketPos=this.currentPesPacketPos,e.endPos=this.endPos,e.nextPts=this.nextPts,e}ensureBuffered(e){let t=this.endPos-this.currentPos;return t>=e?e:this.bufferData(e-t).then(()=>Math.min(this.endPos-this.currentPos,e))}getCurrentPesPacket(){let e=this.pesPackets[this.currentPesPacketIndex];return(0,h.assert)(e),e}async bufferData(e){let t=this.endPos+e;for(;this.endPos<t;){let e;if(0===this.pesPackets.length)e=this.startingPesPacket;else{let t=(0,h.last)(this.pesPackets).sectionEndPos;for((0,h.assert)(null!==t);;){let r=await this.demuxer.readPacketHeader(t);if(!r)return;if(r.pid===this.pid){let r=await this.demuxer.readSection(t,!0);if(!r)return;let a=y(r);if(a){e=a;break}}t+=this.demuxer.packetStride}}this.pesPackets.push(e),this.endPos+=e.data.byteLength,1===this.pesPackets.length&&(this.nextPts=e.pts)}}readBytes(e){let t=this.getCurrentPesPacket(),r=this.currentPos-this.currentPesPacketPos,a=r+e;if(this.currentPos+=e,a<=t.data.byteLength)return t.data.subarray(r,a);let i=new Uint8Array(e);i.set(t.data.subarray(r));let s=t.data.byteLength-r;for(;;){this.advanceCurrentPacket();let t=this.getCurrentPesPacket(),r=e-s;if(r<=t.data.byteLength){i.set(t.data.subarray(0,r),s);break}i.set(t.data,s),s+=t.data.byteLength}return i}readU8(){let e=this.getCurrentPesPacket(),t=this.currentPos-this.currentPesPacketPos;return(this.currentPos++,t<e.data.byteLength)?e.data[t]:(this.advanceCurrentPacket(),(e=this.getCurrentPesPacket()).data[0])}seekTo(e){if(e!==this.currentPos){if(e<this.currentPos)for(;e<this.currentPesPacketPos;){this.currentPesPacketIndex--;let e=this.getCurrentPesPacket();this.currentPesPacketPos-=e.data.byteLength,this.nextPts=e.pts}else for(;;){let t=this.getCurrentPesPacket();if(e<this.currentPesPacketPos+t.data.byteLength)break;this.currentPesPacketPos+=t.data.byteLength,this.currentPesPacketIndex++,this.nextPts=this.getCurrentPesPacket().pts}this.currentPos=e}}skip(e){this.seekTo(this.currentPos+e)}advanceCurrentPacket(){this.currentPesPacketPos+=this.getCurrentPesPacket().data.byteLength,this.currentPesPacketIndex++,this.nextPts=this.getCurrentPesPacket().pts}supplyPacket(e,t){let r=this.getCurrentPesPacket();w(this.elementaryStream,r);let a=this.nextPts;this.nextPts+=t;let i=r.sectionStartPos,s=i+(this.currentPos-this.currentPesPacketPos),n=this.readBytes(e),o=r.randomAccessIndicator;(0,h.assert)(this.elementaryStream.firstSection),r.sectionStartPos===this.elementaryStream.firstSection.startPos&&(o=1),this.suppliedPacket={pts:a,data:n,sequenceNumber:s,sectionStartPos:i,randomAccessIndicator:o},this.pesPackets.splice(0,this.currentPesPacketIndex),this.currentPesPacketIndex=0}}class P{constructor(e,t){this.decodeOrderPackets=[],this.reorderBuffer=[],this.presentationOrderPackets=[],this.reachedEnd=!1,this.lastDuration=0,this.backing=e,this.context=t,this.reorderSize=e.getReorderSize(),(0,h.assert)(this.reorderSize>=0)}async readNext(){let e;if(0===this.decodeOrderPackets.length&&!await this.readNextPacket())return null;await this.ensureCurrentPacketHasNext();let t=this.decodeOrderPackets[0],r=this.presentationOrderPackets.indexOf(t);for((0,h.assert)(-1!==r),r===this.presentationOrderPackets.length-1?e=this.lastDuration:(e=this.presentationOrderPackets[r+1].pts-t.pts,this.lastDuration=e),this.decodeOrderPackets.shift();this.presentationOrderPackets.length>0;){let e=this.presentationOrderPackets[0];if(this.decodeOrderPackets.includes(e))break;this.presentationOrderPackets.shift()}return{packet:t,duration:e}}async readNextPacket(){let e;return!this.reachedEnd&&((this.context.suppliedPacket||await x(this.context),e=this.context.suppliedPacket,this.context.suppliedPacket=null,e)?(this.decodeOrderPackets.push(e),this.processPacketThroughReorderBuffer(e),!0):(this.reachedEnd=!0,this.flushReorderBuffer(),!1))}async ensureCurrentPacketHasNext(){let e=this.decodeOrderPackets[0];for((0,h.assert)(e);;){let t=this.presentationOrderPackets.indexOf(e);if(-1!==t&&t<=this.presentationOrderPackets.length-2||!await this.readNextPacket())break}}processPacketThroughReorderBuffer(e){if(this.reorderBuffer.push(e),this.reorderBuffer.length>=this.reorderSize){let e=0;for(let t=1;t<this.reorderBuffer.length;t++)this.reorderBuffer[t].pts<this.reorderBuffer[e].pts&&(e=t);let t=this.reorderBuffer.splice(e,1)[0];this.presentationOrderPackets.push(t)}}flushReorderBuffer(){this.reorderBuffer.sort((e,t)=>e.pts-t.pts),this.presentationOrderPackets.push(...this.reorderBuffer),this.reorderBuffer.length=0}}},{"../adts/adts-demuxer.js":"b3bBY","../adts/adts-reader.js":"iNEYI","../codec.js":"4GUiq","../codec-data.js":"zx4dz","../demuxer.js":"73Qqp","../input-track.js":"aU0uf","../metadata.js":"1RzS5","../misc.js":"jrq2g","../../shared/mp3-misc.js":"jGy7Y","../packet.js":"8dQhf","../reader.js":"6AkKg","./mpeg-ts-misc.js":"bkuJB","@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],bkuJB:[function(e,t,r,a){var i=e("@parcel/transformer-js/src/esmodule-helpers.js");i.defineInteropFlag(r),i.export(r,"TIMESCALE",()=>s),i.export(r,"TS_PACKET_SIZE",()=>n),i.export(r,"buildMpegTsMimeType",()=>o);let s=9e4,n=188,o=e=>{let t="video/MP2T",r=[...new Set(e.filter(Boolean))];return r.length>0&&(t+=`; codecs="${r.join(", ")}"`),t}},{"@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}],"5CrUd":[function(e,t,r,a){e("@parcel/transformer-js/src/esmodule-helpers.js").defineInteropFlag(r);var i=e("mediabunny");r.default=class{constructor({canvas:e,ctx:t,events:r,timeupdateInterval:a=250,avSyncTolerance:i=.12,dropLateFrames:s=!1,poster:n="",preflightRange:o=!1}){this.canvas=e,this.ctx=t,this.events=r,this.timeupdateInterval=a,this.avSyncTolerance=i,this.dropLateFrames=s,this.poster=n,this.preflightRange=o,this.input=null,this.videoSink=null,this.videoIterator=null,this.nextFrame=null,this.rafId=0,this.asyncId=0,this.width=0,this.height=0,this.duration=NaN,this.audioClock=null,this.lastTimeUpdate=0,this.stalled=!1,this.playbackRate=1,this.posterDrawn=!1,this.isFetching=!1}normalizeSource(e){return"string"==typeof e?new(0,i.UrlSource)(e):e instanceof Blob?new(0,i.BlobSource)(e):"u">typeof ReadableStream&&e instanceof ReadableStream?new(0,i.ReadableStreamSource)(e):e}async preflight(e){if(!this.preflightRange||"string"!=typeof e)return!0;try{let t=(await fetch(e,{method:"HEAD"})).headers.get("accept-ranges");if(!t||"none"===t)return this.events.emit("error",new Event("RangeNotSupported")),!1;return!0}catch(e){return console.warn("Preflight check failed:",e),!0}}drawPoster(){if(!this.poster||this.posterDrawn)return;let e=new Image;e.onload=()=>{this.ctx.clearRect(0,0,this.canvas.width,this.canvas.height),this.canvas.width=e.naturalWidth||this.canvas.width,this.canvas.height=e.naturalHeight||this.canvas.height,this.ctx.drawImage(e,0,0,this.canvas.width,this.canvas.height),this.posterDrawn=!0},e.src=this.poster}async stopIterator(){await this.videoIterator?.return(),this.videoIterator=null}clear(){this.ctx.clearRect(0,0,this.canvas.width,this.canvas.height)}async load(e,t){let r=++this.asyncId;if(await this.stopIterator(),this.clear(),this.posterDrawn=!1,!await this.preflight(e))return;let a=this.normalizeSource(e);if(!a)return void this.drawPoster();if(this.input=new(0,i.Input)({source:a,formats:i.ALL_FORMATS}),this.duration=await this.input.computeDuration(),r!==this.asyncId)return;let s=await this.input.getPrimaryVideoTrack();if(!s||null===s.codec||!await s.canDecode()){this.handleNoVideoTrack(),t?.();return}let n=await s.canBeTransparent();this.videoSink=new(0,i.CanvasSink)(s,{poolSize:2,fit:"contain",alpha:n}),this.width=s.displayWidth,this.height=s.displayHeight,this.canvas.width=this.width,this.canvas.height=this.height,t?.(),await this.resetIterator(0)}handleNoVideoTrack(){this.videoSink=null,this.width=0,this.height=0,this.canvas.width=0,this.canvas.height=0,this.clear(),this.drawPoster()}async resetIterator(e){if(await this.stopIterator(),!this.videoSink)return;this.videoIterator=this.videoSink.canvases(e);let t=(await this.videoIterator.next()).value??null,r=(await this.videoIterator.next()).value??null;this.nextFrame=r,t?(this.ctx.drawImage(t.canvas,0,0),this.events.emit("loadeddata")):this.drawPoster()}async updateNextFrame(e){if(this.videoIterator&&!this.isFetching){this.isFetching=!0;try{for(;;){let t=(await this.videoIterator.next()).value??null;if(!t||e!==this.asyncId)return;let r=this.audioClock.currentTime,a=this.dropLateFrames?Math.max(.06,this.avSyncTolerance/Math.max(1,this.playbackRate)):0;if(!this.dropLateFrames||!(t.timestamp<r-a))if(t.timestamp<=r+a){if(this.ctx.clearRect(0,0,this.canvas.width,this.canvas.height),this.ctx.drawImage(t.canvas,0,0),!this.dropLateFrames&&t.timestamp>r){this.nextFrame=null;return}}else{this.nextFrame=t;return}}}finally{this.isFetching=!1}}}render(){if(!this.audioClock)return;let e=this.audioClock.currentTime,t=Date.now();if(t-this.lastTimeUpdate>=this.timeupdateInterval&&(this.events.emit("timeupdate"),this.lastTimeUpdate=t),Number.isFinite(this.duration)&&e>=this.duration){this.stop(),this.stalled=!1,this.events.emit("ended"),this.events.emit("pause"),this.events.emit("canplay");return}this.nextFrame&&this.nextFrame.timestamp<=e?(this.ctx.clearRect(0,0,this.canvas.width,this.canvas.height),this.ctx.drawImage(this.nextFrame.canvas,0,0),this.nextFrame=null,this.updateNextFrame(this.asyncId),this.stalled&&(this.events.emit("canplay"),this.events.emit("playing"),this.stalled=!1)):!this.nextFrame&&(this.updateNextFrame(this.asyncId),!this.nextFrame&&Number.isFinite(this.duration)&&e<this.duration&&!this.stalled&&(this.stalled=!0,this.events.emit("waiting"))),this.rafId=requestAnimationFrame(()=>this.render())}start(e){this.audioClock=e,this.asyncId++,this.stalled=!1,this.updateNextFrame(this.asyncId),this.rafId=requestAnimationFrame(()=>this.render())}stop(){cancelAnimationFrame(this.rafId)}async seek(e){this.asyncId++,await this.resetIterator(e)}setPlaybackRate(e){this.playbackRate=Math.max(.1,Number(e)||1)}destroy(){this.asyncId++,this.stop(),this.stopIterator(),this.posterDrawn=!1,this.input=null,this.videoSink=null}}},{mediabunny:[["ALL_FORMATS","gFGfd"],["BlobSource","108pa"],["ReadableStreamSource","108pa"],["UrlSource","108pa"],["CanvasSink","6e2oW"],["Input","6K6yf"]],"@parcel/transformer-js/src/esmodule-helpers.js":"loqXi"}]},["2x2Ir"],"2x2Ir","parcelRequire4dc0",{});let{default:e}=parcelRequire4dc0("2x2Ir");export{e as default};