diff --git "a/assets/output-B3Y5HpO5.js" "b/assets/output-B3Y5HpO5.js"
new file mode 100644--- /dev/null
+++ "b/assets/output-B3Y5HpO5.js"
@@ -0,0 +1 @@
+import{o as e}from"./chunk-B78Zgmat.js";import{t}from"./__vite-browser-external-BaycPy5b.js";function n(e){if(!e)throw Error(`Assertion failed.`)}const r=e=>e&&e[e.length-1];var i=class e{constructor(e){this.bytes=e,this.pos=0}seekToByte(e){this.pos=8*e}readBit(){let e=Math.floor(this.pos/8),t=this.bytes[e]??0,n=7-(this.pos&7),r=(t&1<<n)>>n;return this.pos++,r}readBits(e){if(e===1)return this.readBit();let t=0;for(let n=0;n<e;n++)t<<=1,t|=this.readBit();return t}writeBits(e,t){let n=this.pos+e;for(let e=this.pos;e<n;e++){let r=Math.floor(e/8),i=this.bytes[r],a=7-(e&7);i&=~(1<<a),i|=(t&1<<n-e-1)>>n-e-1<<a,this.bytes[r]=i}this.pos=n}readAlignedByte(){if(this.pos%8!=0)throw Error(`Bitstream is not byte-aligned.`);let e=this.pos/8,t=this.bytes[e]??0;return this.pos+=8,t}skipBits(e){this.pos+=e}getBitsLeft(){return this.bytes.length*8-this.pos}clone(){let t=new e(this.bytes);return t.pos=this.pos,t}};const a=e=>e.constructor===Uint8Array?e:ArrayBuffer.isView(e)?new Uint8Array(e.buffer,e.byteOffset,e.byteLength):new Uint8Array(e),o=e=>e.constructor===DataView?e:ArrayBuffer.isView(e)?new DataView(e.buffer,e.byteOffset,e.byteLength):new DataView(e),s=new TextEncoder,c=e=>{for(let t=0;t<e.length;t++)if(e.charCodeAt(t)>255)return!1;return!0},l=e=>e instanceof ArrayBuffer||typeof SharedArrayBuffer<`u`&&e instanceof SharedArrayBuffer||ArrayBuffer.isView(e);var u=class{constructor(){this.currentPromise=Promise.resolve()}async acquire(){let e,t=new Promise(t=>{e=t}),n=this.currentPromise;return this.currentPromise=t,await n,e}};const d=()=>{let e,t;return{promise:new Promise((n,r)=>{e=n,t=r}),resolve:e,reject:t}},f=e=>{throw Error(`Unexpected value: 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0&&(!Number.isInteger(e.trackNumber)||e.trackNumber<=0))throw TypeError(`tags.trackNumber, when provided, must be a positive integer.`);if(e.tracksTotal!==void 0&&(!Number.isInteger(e.tracksTotal)||e.tracksTotal<=0))throw TypeError(`tags.tracksTotal, when provided, must be a positive integer.`);if(e.discNumber!==void 0&&(!Number.isInteger(e.discNumber)||e.discNumber<=0))throw TypeError(`tags.discNumber, when provided, must be a positive integer.`);if(e.discsTotal!==void 0&&(!Number.isInteger(e.discsTotal)||e.discsTotal<=0))throw TypeError(`tags.discsTotal, when provided, must be a positive integer.`);if(e.genre!==void 0&&typeof e.genre!=`string`)throw TypeError(`tags.genre, when provided, must be a string.`);if(e.date!==void 0&&(!(e.date instanceof Date)||Number.isNaN(e.date.getTime())))throw TypeError(`tags.date, when provided, must be a valid Date.`);if(e.lyrics!==void 0&&typeof e.lyrics!=`string`)throw TypeError(`tags.lyrics, when provided, must be a string.`);if(e.images!==void 0){if(!Array.isArray(e.images))throw TypeError(`tags.images, when provided, must be an array.`);for(let t of e.images){if(!t||typeof t!=`object`)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(typeof t.mimeType!=`string`)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(e.comment!==void 0&&typeof e.comment!=`string`)throw TypeError(`tags.comment, when provided, must be a string.`);if(e.raw!==void 0){if(!e.raw||typeof e.raw!=`object`)throw TypeError(`tags.raw, when provided, must be an object.`);for(let t of Object.values(e.raw))if(t!==null&&typeof t!=`string`&&!(t instanceof Uint8Array)&&!(t instanceof ne)&&!(t instanceof re))throw TypeError(`Each value in tags.raw must be a string, Uint8Array, RichImageData, AttachedFile, or null.`)}},x=e=>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===void 0&&(!e.images||e.images.length===0)&&e.comment===void 0&&(e.raw===void 0||Object.keys(e.raw).length===0),S=e=>{if(!e||typeof e!=`object`)throw TypeError(`disposition must be an object.`);if(e.default!==void 0&&typeof e.default!=`boolean`)throw TypeError(`disposition.default must be a boolean.`);if(e.forced!==void 0&&typeof e.forced!=`boolean`)throw TypeError(`disposition.forced must be a boolean.`);if(e.original!==void 0&&typeof e.original!=`boolean`)throw TypeError(`disposition.original must be a boolean.`);if(e.commentary!==void 0&&typeof e.commentary!=`boolean`)throw TypeError(`disposition.commentary must be a boolean.`);if(e.hearingImpaired!==void 0&&typeof e.hearingImpaired!=`boolean`)throw TypeError(`disposition.hearingImpaired must be a boolean.`);if(e.visuallyImpaired!==void 0&&typeof e.visuallyImpaired!=`boolean`)throw TypeError(`disposition.visuallyImpaired must be a boolean.`)},C=[`avc`,`hevc`,`vp9`,`av1`,`vp8`],w=[`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`],T=[...[`aac`,`opus`,`mp3`,`vorbis`,`flac`],...w],E=[`webvtt`],ie=(e,t,n)=>{if(e===`aac`)return t>=2&&n<=24e3?`mp4a.40.29`:n<=24e3?`mp4a.40.5`:`mp4a.40.2`;if(e===`mp3`)return`mp3`;if(e===`opus`)return`opus`;if(e===`vorbis`)return`vorbis`;if(e===`flac`)return`flac`;if(w.includes(e))return e;throw TypeError(`Unhandled codec '${e}'.`)},D=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350],O=[-1,1,2,3,4,5,6,8],k=e=>{if(!e||e.byteLength<2)throw TypeError(`AAC description must be at least 2 bytes long.`);let t=new i(e),n=t.readBits(5);n===31&&(n=32+t.readBits(6));let r=t.readBits(4),a=null;r===15?a=t.readBits(24):r<D.length&&(a=D[r]);let o=t.readBits(4),s=null;return o>=1&&o<=7&&(s=O[o]),{objectType:n,frequencyIndex:r,sampleRate:a,channelConfiguration:o,numberOfChannels:s}},A=e=>{let t=D.indexOf(e.sampleRate),n=null;t===-1&&(t=15,n=e.sampleRate);let r=O.indexOf(e.numberOfChannels);if(r===-1)throw TypeError(`Unsupported number of channels: ${e.numberOfChannels}`);let a=13;e.objectType>=32&&(a+=6),t===15&&(a+=24);let o=Math.ceil(a/8),s=new Uint8Array(o),c=new i(s);return e.objectType<32?c.writeBits(5,e.objectType):(c.writeBits(5,31),c.writeBits(6,e.objectType-32)),c.writeBits(4,t),t===15&&c.writeBits(24,n),c.writeBits(4,r),s};var j=/^pcm-([usf])(\d+)+(be)?$/;const M=e=>{if(n(w.includes(e)),e===`ulaw`)return{dataType:`ulaw`,sampleSize:1,littleEndian:!0,silentValue:255};if(e===`alaw`)return{dataType:`alaw`,sampleSize:1,littleEndian:!0,silentValue:213};let t=j.exec(e);n(t);let r;r=t[1]===`u`?`unsigned`:t[1]===`s`?`signed`:`float`;let i=Number(t[2])/8,a=t[3]!==`be`;return{dataType:r,sampleSize:i,littleEndian:a,silentValue:e===`pcm-u8`?2**7:0}},ae=e=>e.startsWith(`avc1`)||e.startsWith(`avc3`)?`avc`:e.startsWith(`hev1`)||e.startsWith(`hvc1`)?`hevc`:e===`vp8`?`vp8`:e.startsWith(`vp09`)?`vp9`:e.startsWith(`av01`)?`av1`:e.startsWith(`mp4a.40`)||e===`mp4a.67`?`aac`:e===`mp3`||e===`mp4a.69`||e===`mp4a.6B`||e===`mp4a.6b`?`mp3`:e===`opus`?`opus`:e===`vorbis`?`vorbis`:e===`flac`?`flac`:e===`ulaw`?`ulaw`:e===`alaw`?`alaw`:j.test(e)?e:e===`webvtt`?`webvtt`:null,oe=e=>e===`aac`?{aac:{format:`aac`}}:e===`opus`?{opus:{format:`opus`}}:{};var se=[`mp4a`,`mp3`,`opus`,`vorbis`,`flac`,`ulaw`,`alaw`,`pcm`];const ce=e=>{if(!e)throw TypeError(`Audio chunk metadata must be provided.`);if(typeof e!=`object`)throw TypeError(`Audio chunk metadata must be an object.`);if(!e.decoderConfig)throw TypeError(`Audio chunk metadata must include a decoder configuration.`);if(typeof e.decoderConfig!=`object`)throw TypeError(`Audio chunk metadata 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or "mp4a.6B".`)}else if(e.decoderConfig.codec.startsWith(`opus`)){if(e.decoderConfig.codec!==`opus`)throw TypeError(`Audio chunk metadata decoder configuration codec string for Opus must be "opus".`);if(e.decoderConfig.description&&e.decoderConfig.description.byteLength<18)throw TypeError(`Audio chunk metadata decoder configuration description, when specified, is expected to be an Identification Header as specified in Section 5.1 of RFC 7845.`)}else if(e.decoderConfig.codec.startsWith(`vorbis`)){if(e.decoderConfig.codec!==`vorbis`)throw TypeError(`Audio chunk metadata decoder configuration codec string for Vorbis must be "vorbis".`);if(!e.decoderConfig.description)throw TypeError(`Audio chunk metadata decoder configuration for Vorbis must include a description, which is expected to adhere to the format described in https://www.w3.org/TR/webcodecs-vorbis-codec-registration/.`)}else if(e.decoderConfig.codec.startsWith(`flac`)){if(e.decoderConfig.codec!==`flac`)throw TypeError(`Audio 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For proper resource management, make sure to call close() on all your VideoSamples as soon as you're done using them.`),F=t),typeof VideoFrame<`u`&&e.data instanceof VideoFrame&&e.data.close()):(t-I>=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.`),I=t),typeof AudioData<`u`&&e.data instanceof AudioData&&e.data.close())})),Symbol.dispose;var R=new Set([`f32`,`f32-planar`,`s16`,`s16-planar`,`s32`,`s32-planar`,`u8`,`u8-planar`]),z=class e{get microsecondTimestamp(){return Math.trunc(v*this.timestamp)}get microsecondDuration(){return Math.trunc(v*this.duration)}constructor(e){if(this._closed=!1,H(e)){if(e.format===null)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{if(!e||typeof e!=`object`)throw TypeError(`Invalid AudioDataInit: must be an object.`);if(!R.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)||e.numberOfChannels===0)throw TypeError(`Invalid AudioDataInit: numberOfChannels must be an integer > 0.`);if(!Number.isFinite(e?.timestamp))throw TypeError(`init.timestamp must be a number.`);let t=e.data.byteLength/(B(e.format)*e.numberOfChannels);if(!Number.isInteger(t))throw TypeError(`Invalid AudioDataInit: data size is not a multiple of frame size.`);this.format=e.format,this.sampleRate=e.sampleRate,this.numberOfFrames=t,this.numberOfChannels=e.numberOfChannels,this.timestamp=e.timestamp,this.duration=t/e.sampleRate;let n;if(e.data instanceof ArrayBuffer)n=new Uint8Array(e.data);else if(ArrayBuffer.isView(e.data))n=new Uint8Array(e.data.buffer,e.data.byteOffset,e.data.byteLength);else throw TypeError(`Invalid AudioDataInit: data is not a BufferSource.`);let r=this.numberOfFrames*this.numberOfChannels*B(this.format);if(n.byteLength<r)throw TypeError(`Invalid AudioDataInit: insufficient data size.`);this._data=n}L?.register(this,{type:`audio`,data:this._data},this)}allocationSize(e){if(!e||typeof e!=`object`)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(e.format!==void 0&&!R.has(e.format))throw TypeError(`Invalid format.`);if(e.frameOffset!==void 0&&(!Number.isInteger(e.frameOffset)||e.frameOffset<0))throw TypeError(`frameOffset must be a non-negative integer.`);if(e.frameCount!==void 0&&(!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,n=e.frameOffset??0;if(n>=this.numberOfFrames)throw RangeError(`frameOffset out of range`);let r=e.frameCount===void 0?this.numberOfFrames-n:e.frameCount;if(r>this.numberOfFrames-n)throw RangeError(`frameCount out of range`);let i=B(t),a=V(t);if(a&&e.planeIndex>=this.numberOfChannels||!a&&e.planeIndex!==0)throw RangeError(`planeIndex out of range`);return(a?r:r*this.numberOfChannels)*i}copyTo(e,t){if(!l(e))throw TypeError(`destination must be an ArrayBuffer or an ArrayBuffer view.`);if(!t||typeof t!=`object`)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(t.format!==void 0&&!R.has(t.format))throw TypeError(`Invalid format.`);if(t.frameOffset!==void 0&&(!Number.isInteger(t.frameOffset)||t.frameOffset<0))throw TypeError(`frameOffset must be a non-negative integer.`);if(t.frameCount!==void 0&&(!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:n,format:r,frameCount:i,frameOffset:a}=t,s=r??this.format;if(!s)throw Error(`Destination format not determined`);let c=this.numberOfFrames,u=this.numberOfChannels,d=a??0;if(d>=c)throw RangeError(`frameOffset out of range`);let f=i===void 0?c-d:i;if(f>c-d)throw RangeError(`frameCount out of range`);let p=B(s),m=V(s);if(m&&n>=u||!m&&n!==0)throw RangeError(`planeIndex out of range`);let h=(m?f:f*u)*p;if(e.byteLength<h)throw RangeError(`Destination buffer is too small`);let g=o(e),_=me(s);if(H(this._data))if(m)if(s===`f32-planar`)this._data.copyTo(e,{planeIndex:n,frameOffset:d,frameCount:f,format:`f32-planar`});else{let e=new ArrayBuffer(f*4),t=new Float32Array(e);this._data.copyTo(t,{planeIndex:n,frameOffset:d,frameCount:f,format:`f32-planar`});let r=new DataView(e);for(let e=0;e<f;e++)_(g,e*p,r.getFloat32(e*4,!0))}else{let e=u,t=new Float32Array(f);for(let n=0;n<e;n++){this._data.copyTo(t,{planeIndex:n,frameOffset:d,frameCount:f,format:`f32-planar`});for(let r=0;r<f;r++)_(g,(r*e+n)*p,t[r])}}else{let e=this._data,t=o(e),r=this.format,i=pe(r),a=B(r),s=V(r);for(let e=0;e<f;e++)if(m){let r=e*p,o;o=s?(n*c+(e+d))*a:((e+d)*u+n)*a,_(g,r,i(t,o))}else for(let n=0;n<u;n++){let r=(e*u+n)*p,o;o=s?(n*c+(e+d))*a:((e+d)*u+n)*a,_(g,r,i(t,o))}}}clone(){if(this._closed)throw Error(`AudioSample is closed.`);if(H(this._data)){let t=new e(this._data.clone());return t.setTimestamp(this.timestamp),t}else return new e({format:this.format,sampleRate:this.sampleRate,numberOfFrames:this.numberOfFrames,numberOfChannels:this.numberOfChannels,timestamp:this.timestamp,data:this._data})}close(){this._closed||=(L?.unregister(this),H(this._data)?this._data.close():this._data=new Uint8Array,!0)}toAudioData(){if(this._closed)throw Error(`AudioSample is closed.`);if(H(this._data)){if(this._data.timestamp===this.microsecondTimestamp)return this._data.clone();if(V(this.format)){let e=this.allocationSize({planeIndex:0,format:this.format}),t=new ArrayBuffer(e*this.numberOfChannels);for(let n=0;n<this.numberOfChannels;n++)this.copyTo(new Uint8Array(t,n*e,e),{planeIndex:n,format:this.format});return new AudioData({format:this.format,sampleRate:this.sampleRate,numberOfFrames:this.numberOfFrames,numberOfChannels:this.numberOfChannels,timestamp:this.microsecondTimestamp,data:t})}else{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})}}else 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()})}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 n=0;n<this.numberOfChannels;n++)this.copyTo(t,{planeIndex:n,format:`f32-planar`}),e.copyToChannel(t,n);return e}setTimestamp(e){if(!Number.isFinite(e))throw TypeError(`newTimestamp must be a number.`);this.timestamp=e}[Symbol.dispose](){this.close()}static*_fromAudioBuffer(t,n){if(!(t instanceof AudioBuffer))throw TypeError(`audioBuffer must be an AudioBuffer.`);let r=t.numberOfChannels,i=t.sampleRate,a=t.length,o=Math.floor(24e4/r),s=0,c=a;for(;c>0;){let a=Math.min(o,c),l=new Float32Array(r*a);for(let e=0;e<r;e++)t.copyFromChannel(l.subarray(e*a,(e+1)*a),e,s);yield new e({format:`f32-planar`,sampleRate:i,numberOfFrames:a,numberOfChannels:r,timestamp:n+s/i,data:l}),s+=a,c-=a}}static fromAudioBuffer(t,n){if(!(t instanceof AudioBuffer))throw TypeError(`audioBuffer must be an AudioBuffer.`);let r=t.numberOfChannels,i=t.sampleRate,a=t.length,o=Math.floor(24e4/r),s=0,c=a,l=[];for(;c>0;){let a=Math.min(o,c),u=new Float32Array(r*a);for(let e=0;e<r;e++)t.copyFromChannel(u.subarray(e*a,(e+1)*a),e,s);let d=new e({format:`f32-planar`,sampleRate:i,numberOfFrames:a,numberOfChannels:r,timestamp:n+s/i,data:u});l.push(d),s+=a,c-=a}return l}},B=e=>{switch(e){case`u8`:case`u8-planar`:return 1;case`s16`:case`s16-planar`:return 2;case`s32`:case`s32-planar`:return 4;case`f32`:case`f32-planar`:return 4;default:throw Error(`Unknown AudioSampleFormat`)}},V=e=>{switch(e){case`u8-planar`:case`s16-planar`:case`s32-planar`:case`f32-planar`:return!0;default:return!1}},pe=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)/2147483648;case`f32`:case`f32-planar`:return(e,t)=>e.getFloat32(t,!0)}},me=e=>{switch(e){case`u8`:case`u8-planar`:return(e,t,n)=>e.setUint8(t,h((n+1)*127.5,0,255));case`s16`:case`s16-planar`:return(e,t,n)=>e.setInt16(t,h(Math.round(n*32767),-32768,32767),!0);case`s32`:case`s32-planar`:return(e,t,n)=>e.setInt32(t,h(Math.round(n*2147483647),-2147483648,2147483647),!0);case`f32`:case`f32-planar`:return(e,t,n)=>e.setFloat32(t,n,!0)}},H=e=>typeof AudioData<`u`&&e instanceof AudioData;const he=e=>{let t=127,n=0,r=e;for(;t^2147483647;)n=r&~t,n<<=1,n|=r&t,t=(t+1<<8)-1,r=n;return n};var ge;(function(e){e[e.Unsynchronisation=128]=`Unsynchronisation`,e[e.ExtendedHeader=64]=`ExtendedHeader`,e[e.ExperimentalIndicator=32]=`ExperimentalIndicator`,e[e.Footer=16]=`Footer`})(ge||={});var U;(function(e){e[e.ISO_8859_1=0]=`ISO_8859_1`,e[e.UTF_16_WITH_BOM=1]=`UTF_16_WITH_BOM`,e[e.UTF_16_BE_NO_BOM=2]=`UTF_16_BE_NO_BOM`,e[e.UTF_8=3]=`UTF_8`})(U||={});var _e=class{constructor(e){this.helper=new Uint8Array(8),this.helperView=o(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 n=this.writer.getPos(),r=new Set;for(let{key:t,value:n}of y(e))switch(t){case`title`:this.writeId3V2TextFrame(`TIT2`,n),r.add(`TIT2`);break;case`description`:this.writeId3V2TextFrame(`TIT3`,n),r.add(`TIT3`);break;case`artist`:this.writeId3V2TextFrame(`TPE1`,n),r.add(`TPE1`);break;case`album`:this.writeId3V2TextFrame(`TALB`,n),r.add(`TALB`);break;case`albumArtist`:this.writeId3V2TextFrame(`TPE2`,n),r.add(`TPE2`);break;case`trackNumber`:{let t=e.tracksTotal===void 0?n.toString():`${n}/${e.tracksTotal}`;this.writeId3V2TextFrame(`TRCK`,t),r.add(`TRCK`)}break;case`discNumber`:{let t=e.discsTotal===void 0?n.toString():`${n}/${e.discsTotal}`;this.writeId3V2TextFrame(`TPOS`,t),r.add(`TPOS`)}break;case`genre`:this.writeId3V2TextFrame(`TCON`,n),r.add(`TCON`);break;case`date`:this.writeId3V2TextFrame(`TDRC`,n.toISOString().slice(0,10)),r.add(`TDRC`);break;case`lyrics`:this.writeId3V2LyricsFrame(n),r.add(`USLT`);break;case`comment`:this.writeId3V2CommentFrame(n),r.add(`COMM`);break;case`images`:{let e={coverFront:3,coverBack:4,unknown:0};for(let t of n){let n=e[t.kind]??0,r=t.description??``;this.writeId3V2ApicFrame(t.mimeType,n,r,t.data)}}break;case`tracksTotal`:case`discsTotal`:break;case`raw`:break;default:f(t)}if(e.raw)for(let t in e.raw){let n=e.raw[t];if(n==null||t.length!==4||r.has(t))continue;let i;if(typeof n==`string`){let e=s.encode(n);i=new Uint8Array(e.byteLength+2),i[0]=U.UTF_8,i.set(e,1)}else if(n instanceof Uint8Array)i=n;else continue;this.writeAscii(t),this.writeSynchsafeU32(i.byteLength),this.writeU16(0),this.writer.write(i)}let i=this.writer.getPos(),a=i-n;return this.writer.seek(t+6),this.writeSynchsafeU32(a),this.writer.seek(i),a+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(he(e))}writeIsoString(e){let t=new Uint8Array(e.length+1);for(let n=0;n<e.length;n++)t[n]=e.charCodeAt(n);t[e.length]=0,this.writer.write(t)}writeUtf8String(e){let t=s.encode(e);this.writer.write(t),this.writeU8(0)}writeId3V2TextFrame(e,t){let n=c(t),r=1+(n?t.length:s.encode(t).byteLength)+1;this.writeAscii(e),this.writeSynchsafeU32(r),this.writeU16(0),this.writeU8(n?U.ISO_8859_1:U.UTF_8),n?this.writeIsoString(t):this.writeUtf8String(t)}writeId3V2LyricsFrame(e){let t=c(e),n=5+e.length+1;this.writeAscii(`USLT`),this.writeSynchsafeU32(n),this.writeU16(0),this.writeU8(t?U.ISO_8859_1:U.UTF_8),this.writeAscii(`und`),t?(this.writeIsoString(``),this.writeIsoString(e)):(this.writeUtf8String(``),this.writeUtf8String(e))}writeId3V2CommentFrame(e){let t=c(e),n=5+(t?e.length:s.encode(e).byteLength)+1;this.writeAscii(`COMM`),this.writeSynchsafeU32(n),this.writeU16(0),this.writeU8(t?U.ISO_8859_1:U.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,n,r){let i=c(e)&&c(n),a=i?n.length:s.encode(n).byteLength,o=1+e.length+1+1+a+1+r.byteLength;this.writeAscii(`APIC`),this.writeSynchsafeU32(o),this.writeU16(0),this.writeU8(i?U.ISO_8859_1:U.UTF_8),i?this.writeIsoString(e):this.writeUtf8String(e),this.writeU8(t),i?this.writeIsoString(n):this.writeUtf8String(n),this.writer.write(r)}},W;(function(e){e[e.PCM=1]=`PCM`,e[e.IEEE_FLOAT=3]=`IEEE_FLOAT`,e[e.ALAW=6]=`ALAW`,e[e.MULAW=7]=`MULAW`,e[e.EXTENSIBLE=65534]=`EXTENSIBLE`})(W||={});var ve=class{constructor(){this.ensureMonotonicity=!1,this.trackedWrites=null,this.trackedStart=-1,this.trackedEnd=-1}start(){}maybeTrackWrites(e){if(!this.trackedWrites)return;let t=this.getPos();if(t<this.trackedStart){if(t+e.byteLength<=this.trackedStart)return;e=e.subarray(this.trackedStart-t),t=0}let n=t+e.byteLength-this.trackedStart,r=this.trackedWrites.byteLength;for(;r<n;)r*=2;if(r!==this.trackedWrites.byteLength){let e=new Uint8Array(r);e.set(this.trackedWrites,0),this.trackedWrites=e}this.trackedWrites.set(e,t-this.trackedStart),this.trackedEnd=Math.max(this.trackedEnd,t+e.byteLength)}startTrackingWrites(){this.trackedWrites=new Uint8Array(2**10),this.trackedStart=this.getPos(),this.trackedEnd=this.trackedStart}stopTrackingWrites(){if(!this.trackedWrites)throw Error(`Internal error: Can't get tracked writes since nothing was tracked.`);let e={data:this.trackedWrites.subarray(0,this.trackedEnd-this.trackedStart),start:this.trackedStart,end:this.trackedEnd};return this.trackedWrites=null,e}},G=2**16,K=2**32,ye=class extends ve{constructor(e){if(super(),this.pos=0,this.maxPos=0,this.target=e,this.supportsResize=`resize`in new ArrayBuffer(0),this.supportsResize)try{this.buffer=new ArrayBuffer(G,{maxByteLength:K})}catch{this.buffer=new ArrayBuffer(G),this.supportsResize=!1}else this.buffer=new ArrayBuffer(G);this.bytes=new Uint8Array(this.buffer)}ensureSize(e){let t=this.buffer.byteLength;for(;t<e;)t*=2;if(t!==this.buffer.byteLength){if(t>K)throw Error(`ArrayBuffer exceeded maximum size of ${K} bytes. Please consider using another target.`);if(this.supportsResize)this.buffer.resize(t);else{let e=new ArrayBuffer(t),n=new Uint8Array(e);n.set(this.bytes,0),this.buffer=e,this.bytes=n}}}write(e){this.maybeTrackWrites(e),this.ensureSize(this.pos+e.byteLength),this.bytes.set(e,this.pos),this.target.onwrite?.(this.pos,this.pos+e.byteLength),this.pos+=e.byteLength,this.maxPos=Math.max(this.maxPos,this.pos)}seek(e){this.pos=e}getPos(){return this.pos}async flush(){}async finalize(){this.ensureSize(this.pos),this.target.buffer=this.buffer.slice(0,Math.max(this.maxPos,this.pos))}async close(){}getSlice(e,t){return this.bytes.slice(e,t)}};t();var q=class{constructor(){this._output=null,this.onwrite=null}},be=class extends q{constructor(){super(...arguments),this.buffer=null}_createWriter(){return new ye(this)}},xe=class{constructor(e){this.writer=e,this.helper=new Uint8Array(8),this.helperView=new DataView(this.helper.buffer)}writeU16(e){this.helperView.setUint16(0,e,!0),this.writer.write(this.helper.subarray(0,2))}writeU32(e){this.helperView.setUint32(0,e,!0),this.writer.write(this.helper.subarray(0,4))}writeU64(e){this.helperView.setUint32(0,e,!0),this.helperView.setUint32(4,Math.floor(e/2**32),!0),this.writer.write(this.helper)}writeAscii(e){this.writer.write(new TextEncoder().encode(e))}},Se=class extends le{constructor(e,t){super(e),this.headerWritten=!1,this.dataSize=0,this.sampleRate=null,this.sampleCount=0,this.riffSizePos=null,this.dataSizePos=null,this.ds64RiffSizePos=null,this.ds64DataSizePos=null,this.ds64SampleCountPos=null,this.format=t,this.writer=e._writer,this.riffWriter=new xe(e._writer),this.isRf64=!!t._options.large}async start(){}async getMimeType(){return`audio/wav`}async addEncodedVideoPacket(){throw Error(`WAVE does not support video.`)}async addEncodedAudioPacket(e,t,r){let i=await this.mutex.acquire();try{if(this.headerWritten||=(ce(r),n(r),n(r.decoderConfig),this.writeHeader(e,r.decoderConfig),this.sampleRate=r.decoderConfig.sampleRate,!0),this.validateAndNormalizeTimestamp(e,t.timestamp,t.type===`key`),!this.isRf64&&this.writer.getPos()+t.data.byteLength>=2**32)throw Error("Adding more audio data would exceed the maximum RIFF size of 4 GiB. To write larger files, use RF64 by setting `large: true` in the WavOutputFormatOptions.");this.writer.write(t.data),this.dataSize+=t.data.byteLength,this.sampleCount+=Math.round(t.duration*this.sampleRate),await this.writer.flush()}finally{i()}}async addSubtitleCue(){throw Error(`WAVE does not support subtitles.`)}writeHeader(e,t){this.format._options.onHeader&&this.writer.startTrackingWrites();let n,r=e.source._codec,i=M(r);n=i.dataType===`ulaw`?W.MULAW:i.dataType===`alaw`?W.ALAW:i.dataType===`float`?W.IEEE_FLOAT:W.PCM;let a=t.numberOfChannels,o=t.sampleRate,s=i.sampleSize*a;if(this.riffWriter.writeAscii(this.isRf64?`RF64`:`RIFF`),this.isRf64?this.riffWriter.writeU32(4294967295):(this.riffSizePos=this.writer.getPos(),this.riffWriter.writeU32(0)),this.riffWriter.writeAscii(`WAVE`),this.isRf64&&(this.riffWriter.writeAscii(`ds64`),this.riffWriter.writeU32(28),this.ds64RiffSizePos=this.writer.getPos(),this.riffWriter.writeU64(0),this.ds64DataSizePos=this.writer.getPos(),this.riffWriter.writeU64(0),this.ds64SampleCountPos=this.writer.getPos(),this.riffWriter.writeU64(0),this.riffWriter.writeU32(0)),this.riffWriter.writeAscii(`fmt `),this.riffWriter.writeU32(16),this.riffWriter.writeU16(n),this.riffWriter.writeU16(a),this.riffWriter.writeU32(o),this.riffWriter.writeU32(o*s),this.riffWriter.writeU16(s),this.riffWriter.writeU16(8*i.sampleSize),!x(this.output._metadataTags)){let e=this.format._options.metadataFormat??`info`;e===`info`?this.writeInfoChunk(this.output._metadataTags):e===`id3`?this.writeId3Chunk(this.output._metadataTags):f(e)}if(this.riffWriter.writeAscii(`data`),this.isRf64?this.riffWriter.writeU32(4294967295):(this.dataSizePos=this.writer.getPos(),this.riffWriter.writeU32(0)),this.format._options.onHeader){let{data:e,start:t}=this.writer.stopTrackingWrites();this.format._options.onHeader(e,t)}}writeInfoChunk(e){let t=this.writer.getPos();this.riffWriter.writeAscii(`LIST`),this.riffWriter.writeU32(0),this.riffWriter.writeAscii(`INFO`);let n=new Set,r=(e,t)=>{if(!c(t)){console.warn(`Didn't write tag '${e}' because '${t}' is not ISO 8859-1-compatible.`);return}let r=t.length+1,i=new Uint8Array(r);for(let e=0;e<t.length;e++)i[e]=t.charCodeAt(e);this.riffWriter.writeAscii(e),this.riffWriter.writeU32(r),this.writer.write(i),r&1&&this.writer.write(new Uint8Array(1)),n.add(e)};for(let{key:t,value:i}of y(e))switch(t){case`title`:r(`INAM`,i),n.add(`INAM`);break;case`artist`:r(`IART`,i),n.add(`IART`);break;case`album`:r(`IPRD`,i),n.add(`IPRD`);break;case`trackNumber`:r(`ITRK`,e.tracksTotal===void 0?i.toString():`${i}/${e.tracksTotal}`),n.add(`ITRK`);break;case`genre`:r(`IGNR`,i),n.add(`IGNR`);break;case`date`:r(`ICRD`,i.toISOString().slice(0,10)),n.add(`ICRD`);break;case`comment`:r(`ICMT`,i),n.add(`ICMT`);break;case`albumArtist`:case`discNumber`:case`tracksTotal`:case`discsTotal`:case`description`:case`lyrics`:case`images`:break;case`raw`:break;default:f(t)}if(e.raw)for(let t in e.raw){let i=e.raw[t];i==null||t.length!==4||n.has(t)||typeof i==`string`&&r(t,i)}let i=this.writer.getPos(),a=i-t-8;this.writer.seek(t+4),this.riffWriter.writeU32(a),this.writer.seek(i),a&1&&this.writer.write(new Uint8Array(1))}writeId3Chunk(e){let t=this.writer.getPos();this.riffWriter.writeAscii(`ID3 `),this.riffWriter.writeU32(0);let n=new _e(this.writer).writeId3V2Tag(e),r=this.writer.getPos();this.writer.seek(t+4),this.riffWriter.writeU32(n),this.writer.seek(r),n&1&&this.writer.write(new Uint8Array(1))}async finalize(){let e=await this.mutex.acquire(),t=this.writer.getPos();this.isRf64?(n(this.ds64RiffSizePos!==null),this.writer.seek(this.ds64RiffSizePos),this.riffWriter.writeU64(t-8),n(this.ds64DataSizePos!==null),this.writer.seek(this.ds64DataSizePos),this.riffWriter.writeU64(this.dataSize),n(this.ds64SampleCountPos!==null),this.writer.seek(this.ds64SampleCountPos),this.riffWriter.writeU64(this.sampleCount)):(n(this.riffSizePos!==null),this.writer.seek(this.riffSizePos),this.riffWriter.writeU32(t-8),n(this.dataSizePos!==null),this.writer.seek(this.dataSizePos),this.riffWriter.writeU32(this.dataSize)),this.writer.seek(t),e()}},J=class{getSupportedVideoCodecs(){return this.getSupportedCodecs().filter(e=>C.includes(e))}getSupportedAudioCodecs(){return this.getSupportedCodecs().filter(e=>T.includes(e))}getSupportedSubtitleCodecs(){return this.getSupportedCodecs().filter(e=>E.includes(e))}_codecUnsupportedHint(e){return``}},Ce=class extends J{constructor(e={}){if(!e||typeof e!=`object`)throw TypeError(`options must be an object.`);if(e.large!==void 0&&typeof e.large!=`boolean`)throw TypeError(`options.large, when provided, must be a boolean.`);if(e.metadataFormat!==void 0&&![`info`,`id3`].includes(e.metadataFormat))throw TypeError(`options.metadataFormat, when provided, must be either 'info' or 'id3'.`);if(e.onHeader!==void 0&&typeof e.onHeader!=`function`)throw TypeError(`options.onHeader, when provided, must be a function.`);super(),this._options=e}_createMuxer(e){return new Se(e,this)}get _name(){return`WAVE`}getSupportedTrackCounts(){return{video:{min:0,max:0},audio:{min:1,max:1},subtitle:{min:0,max:0},total:{min:1,max:1}}}get fileExtension(){return`.wav`}get mimeType(){return`audio/wav`}getSupportedCodecs(){return[...w.filter(e=>[`pcm-s16`,`pcm-s24`,`pcm-s32`,`pcm-f32`,`pcm-u8`,`ulaw`,`alaw`].includes(e))]}get supportsVideoRotationMetadata(){return!1}};const we=e=>{if(!e||typeof e!=`object`)throw TypeError(`Encoding config must be an object.`);if(!T.includes(e.codec))throw TypeError(`Invalid audio codec '${e.codec}'. Must be one of: ${T.join(`, `)}.`);if(e.bitrate===void 0&&(!w.includes(e.codec)||e.codec===`flac`))throw TypeError(`config.bitrate must be provided for compressed audio codecs.`);if(e.bitrate!==void 0&&!(e.bitrate instanceof X)&&(!Number.isInteger(e.bitrate)||e.bitrate<=0))throw TypeError(`config.bitrate, when provided, must be a positive integer or a quality.`);if(e.onEncodedPacket!==void 0&&typeof e.onEncodedPacket!=`function`)throw TypeError(`config.onEncodedChunk, when provided, must be a function.`);if(e.onEncoderConfig!==void 0&&typeof e.onEncoderConfig!=`function`)throw TypeError(`config.onEncoderConfig, when provided, must be a function.`);Y(e.codec,e)},Y=(e,t)=>{if(!t||typeof t!=`object`)throw TypeError(`Encoding options must be an object.`);if(t.bitrateMode!==void 0&&![`constant`,`variable`].includes(t.bitrateMode))throw TypeError(`bitrateMode, when provided, must be 'constant' or 'variable'.`);if(t.fullCodecString!==void 0&&typeof t.fullCodecString!=`string`)throw TypeError(`fullCodecString, when provided, must be a string.`);if(t.fullCodecString!==void 0&&ae(t.fullCodecString)!==e)throw TypeError(`fullCodecString, when provided, must be a string that matches the specified codec (${e}).`)},Te=e=>{let t=e.bitrate instanceof X?e.bitrate._toAudioBitrate(e.codec):e.bitrate;return{codec:e.fullCodecString??ie(e.codec,e.numberOfChannels,e.sampleRate),numberOfChannels:e.numberOfChannels,sampleRate:e.sampleRate,bitrate:t,bitrateMode:e.bitrateMode,...oe(e.codec)}};var X=class{constructor(e){this._factor=e}_toVideoBitrate(e,t,n){let r=3e6*(t*n/(1920*1080))**.95*{avc:1,hevc:.6,vp9:.6,av1:.4,vp8:1.2}[e]*this._factor;return Math.ceil(r/1e3)*1e3}_toAudioBitrate(e){if(w.includes(e)||e===`flac`)return;let t={aac:128e3,opus:64e3,mp3:16e4,vorbis:64e3}[e];if(!t)throw Error(`Unhandled codec: ${e}`);let n=t*this._factor;return e===`aac`?n=[96e3,128e3,16e4,192e3].reduce((e,t)=>Math.abs(t-n)<Math.abs(e-n)?t:e):e===`opus`||e===`vorbis`?n=Math.max(6e3,n):e===`mp3`&&(n=[8e3,16e3,24e3,32e3,4e4,48e3,64e3,8e4,96e3,112e3,128e3,16e4,192e3,224e3,256e3,32e4].reduce((e,t)=>Math.abs(t-n)<Math.abs(e-n)?t:e)),Math.round(n/1e3)*1e3}};const Ee=new X(1);var Z=class{constructor(){this._connectedTrack=null,this._closingPromise=null,this._closed=!1,this._timestampOffset=0}_ensureValidAdd(){if(!this._connectedTrack)throw Error(`Source is not connected to an output track.`);if(this._connectedTrack.output.state===`canceled`)throw Error(`Output has been canceled.`);if(this._connectedTrack.output.state===`finalizing`||this._connectedTrack.output.state===`finalized`)throw Error(`Output has been finalized.`);if(this._connectedTrack.output.state===`pending`)throw Error(`Output has not started.`);if(this._closed)throw Error(`Source is closed.`)}async _start(){}async _flushAndClose(e){}close(){if(this._closingPromise)return;let e=this._connectedTrack;if(!e)throw Error(`Cannot call close without connecting the source to an output track.`);if(e.output.state===`pending`)throw Error(`Cannot call close before output has been started.`);this._closingPromise=(async()=>{await this._flushAndClose(!1),this._closed=!0,!(e.output.state===`finalizing`||e.output.state===`finalized`)&&e.output._muxer.onTrackClose(e)})()}async _flushOrWaitForOngoingClose(e){return this._closingPromise?this._closingPromise:this._flushAndClose(e)}},De=class extends Z{constructor(e){if(super(),this._connectedTrack=null,!C.includes(e))throw TypeError(`Invalid video codec '${e}'. Must be one of: ${C.join(`, `)}.`);this._codec=e}},Q=class extends Z{constructor(e){if(super(),this._connectedTrack=null,!T.includes(e))throw TypeError(`Invalid audio codec '${e}'. Must be one of: ${T.join(`, `)}.`);this._codec=e}},Oe=class{constructor(e,t){this.source=e,this.encodingConfig=t,this.ensureEncoderPromise=null,this.encoderInitialized=!1,this.encoder=null,this.muxer=null,this.lastNumberOfChannels=null,this.lastSampleRate=null,this.isPcmEncoder=!1,this.outputSampleSize=null,this.writeOutputValue=null,this.customEncoder=null,this.customEncoderCallSerializer=new ee,this.customEncoderQueueSize=0,this.lastEndSampleIndex=null,this.error=null,this.errorNeedsNewStack=!0}async add(e,t){try{if(this.checkForEncoderError(),this.source._ensureValidAdd(),this.lastNumberOfChannels!==null&&this.lastSampleRate!==null){if(e.numberOfChannels!==this.lastNumberOfChannels||e.sampleRate!==this.lastSampleRate)throw Error(`Audio parameters must remain constant. Expected ${this.lastNumberOfChannels} channels at ${this.lastSampleRate} Hz, got ${e.numberOfChannels} channels at ${e.sampleRate} Hz.`)}else this.lastNumberOfChannels=e.numberOfChannels,this.lastSampleRate=e.sampleRate;this.encoderInitialized||(this.ensureEncoderPromise||this.ensureEncoder(e),this.encoderInitialized||await this.ensureEncoderPromise),n(this.encoderInitialized);{let t=Math.round(e.timestamp*e.sampleRate),n=Math.round((e.timestamp+e.duration)*e.sampleRate);if(this.lastEndSampleIndex===null)this.lastEndSampleIndex=n;else{let n=t-this.lastEndSampleIndex;if(n>=64){let t=new z({data:new Float32Array(n*e.numberOfChannels),format:`f32-planar`,sampleRate:e.sampleRate,numberOfChannels:e.numberOfChannels,numberOfFrames:n,timestamp:this.lastEndSampleIndex/e.sampleRate});await this.add(t,!0)}this.lastEndSampleIndex+=e.numberOfFrames}}if(this.customEncoder){this.customEncoderQueueSize++;let t=e.clone(),n=this.customEncoderCallSerializer.call(()=>this.customEncoder.encode(t)).then(()=>this.customEncoderQueueSize--).catch(e=>this.error??=e).finally(()=>{t.close()});this.customEncoderQueueSize>=4&&await n,await this.muxer.mutex.currentPromise}else if(this.isPcmEncoder)await this.doPcmEncoding(e,t);else{n(this.encoder);let r=e.toAudioData();this.encoder.encode(r),r.close(),t&&e.close(),this.encoder.encodeQueueSize>=4&&await new Promise(e=>this.encoder.addEventListener(`dequeue`,e,{once:!0})),await this.muxer.mutex.currentPromise}}finally{t&&e.close()}}async doPcmEncoding(e,t){n(this.outputSampleSize),n(this.writeOutputValue);let{numberOfChannels:r,numberOfFrames:i,sampleRate:a,timestamp:o}=e,s=2048,c=[];for(let t=0;t<i;t+=s){let n=Math.min(s,e.numberOfFrames-t),i=n*r*this.outputSampleSize,a=new ArrayBuffer(i),o=new DataView(a);c.push({frameCount:n,view:o})}let l=e.allocationSize({planeIndex:0,format:`f32-planar`}),u=new Float32Array(l/Float32Array.BYTES_PER_ELEMENT);for(let t=0;t<r;t++){e.copyTo(u,{planeIndex:t,format:`f32-planar`});for(let e=0;e<c.length;e++){let{frameCount:n,view:i}=c[e];for(let a=0;a<n;a++)this.writeOutputValue(i,(a*r+t)*this.outputSampleSize,u[e*s+a])}}t&&e.close();let d={decoderConfig:{codec:this.encodingConfig.codec,numberOfChannels:r,sampleRate:a}};for(let e=0;e<c.length;e++){let{frameCount:t,view:n}=c[e],r=n.buffer,i=e*s,l=new P(new Uint8Array(r),`key`,o+i/a,t/a);this.encodingConfig.onEncodedPacket?.(l,d),await this.muxer.addEncodedAudioPacket(this.source._connectedTrack,l,d)}}ensureEncoder(e){let t=Error();this.ensureEncoderPromise=(async()=>{let{numberOfChannels:i,sampleRate:o}=e,s=Te({numberOfChannels:i,sampleRate:o,...this.encodingConfig});this.encodingConfig.onEncoderConfig?.(s);let c=ue.find(e=>e.supports(this.encodingConfig.codec,s));if(c)this.customEncoder=new c,this.customEncoder.codec=this.encodingConfig.codec,this.customEncoder.config=s,this.customEncoder.onPacket=(e,t)=>{if(!(e instanceof P))throw TypeError(`The first argument passed to onPacket must be an EncodedPacket.`);if(t!==void 0&&(!t||typeof t!=`object`))throw TypeError(`The second argument passed to onPacket must be an object or undefined.`);this.encodingConfig.onEncodedPacket?.(e,t),this.muxer.addEncodedAudioPacket(this.source._connectedTrack,e,t).catch(e=>{this.error??=e,this.errorNeedsNewStack=!1})},await this.customEncoder.init();else if(w.includes(this.encodingConfig.codec))this.initPcmEncoder();else{if(typeof AudioEncoder>`u`)throw Error(`AudioEncoder is not supported by this browser.`);if(!(await AudioEncoder.isConfigSupported(s)).supported)throw Error(`This specific encoder configuration (${s.codec}, ${s.bitrate} bps, ${s.numberOfChannels} channels, ${s.sampleRate} Hz) is not supported by this browser. Consider using another codec or changing your audio parameters.`);this.encoder=new AudioEncoder({output:(e,t)=>{if(this.encodingConfig.codec===`aac`&&t?.decoderConfig){let e=!1;if(e=!t.decoderConfig.description||t.decoderConfig.description.byteLength<2?!0:k(a(t.decoderConfig.description)).objectType===0,e){let e=Number(r(s.codec.split(`.`)));t.decoderConfig.description=A({objectType:e,numberOfChannels:t.decoderConfig.numberOfChannels,sampleRate:t.decoderConfig.sampleRate})}}let n=P.fromEncodedChunk(e);this.encodingConfig.onEncodedPacket?.(n,t),this.muxer.addEncodedAudioPacket(this.source._connectedTrack,n,t).catch(e=>{this.error??=e,this.errorNeedsNewStack=!1})},error:e=>{e.stack=t.stack,this.error??=e}}),this.encoder.configure(s)}n(this.source._connectedTrack),this.muxer=this.source._connectedTrack.output._muxer,this.encoderInitialized=!0})()}initPcmEncoder(){this.isPcmEncoder=!0;let e=this.encodingConfig.codec,{dataType:t,sampleSize:r,littleEndian:i}=M(e);switch(this.outputSampleSize=r,r){case 1:t===`unsigned`?this.writeOutputValue=(e,t,n)=>e.setUint8(t,h((n+1)*127.5,0,255)):t===`signed`?this.writeOutputValue=(e,t,n)=>{e.setInt8(t,h(Math.round(n*128),-128,127))}:t===`ulaw`?this.writeOutputValue=(e,t,n)=>{let r=h(Math.floor(n*32767),-32768,32767);e.setUint8(t,de(r))}:t===`alaw`?this.writeOutputValue=(e,t,n)=>{let r=h(Math.floor(n*32767),-32768,32767);e.setUint8(t,fe(r))}:n(!1);break;case 2:t===`unsigned`?this.writeOutputValue=(e,t,n)=>e.setUint16(t,h((n+1)*32767.5,0,65535),i):t===`signed`?this.writeOutputValue=(e,t,n)=>e.setInt16(t,h(Math.round(n*32767),-32768,32767),i):n(!1);break;case 3:t===`unsigned`?this.writeOutputValue=(e,t,n)=>p(e,t,h((n+1)*8388607.5,0,16777215),i):t===`signed`?this.writeOutputValue=(e,t,n)=>m(e,t,h(Math.round(n*8388607),-8388608,8388607),i):n(!1);break;case 4:t===`unsigned`?this.writeOutputValue=(e,t,n)=>e.setUint32(t,h((n+1)*2147483647.5,0,4294967295),i):t===`signed`?this.writeOutputValue=(e,t,n)=>e.setInt32(t,h(Math.round(n*2147483647),-2147483648,2147483647),i):t===`float`?this.writeOutputValue=(e,t,n)=>e.setFloat32(t,n,i):n(!1);break;case 8:t===`float`?this.writeOutputValue=(e,t,n)=>e.setFloat64(t,n,i):n(!1);break;default:f(r),n(!1)}}async flushAndClose(e){e||this.checkForEncoderError(),this.customEncoder?(e||this.customEncoderCallSerializer.call(()=>this.customEncoder.flush()),await this.customEncoderCallSerializer.call(()=>this.customEncoder.close())):this.encoder&&(e||await this.encoder.flush(),this.encoder.state!==`closed`&&this.encoder.close()),e||this.checkForEncoderError()}getQueueSize(){return this.customEncoder?this.customEncoderQueueSize:this.isPcmEncoder?0:this.encoder?.encodeQueueSize??0}checkForEncoderError(){if(this.error)throw this.errorNeedsNewStack&&(this.error.stack=Error().stack),this.error}},ke=class extends Q{get errorPromise(){return this._errorPromiseAccessed=!0,this._promiseWithResolvers.promise}get paused(){return this._paused}constructor(e,t){if(!(e instanceof MediaStreamTrack)||e.kind!==`audio`)throw TypeError(`track must be an audio MediaStreamTrack.`);we(t),super(t.codec),this._abortController=null,this._audioContext=null,this._scriptProcessorNode=null,this._promiseWithResolvers=d(),this._errorPromiseAccessed=!1,this._paused=!1,this._lastSampleTimestamp=null,this._pauseOffset=0,this._encoder=new Oe(this,t),this._track=e}async _start(){this._errorPromiseAccessed||console.warn("Make sure not to ignore the `errorPromise` field on MediaStreamVideoTrackSource, so that any internal errors get bubbled up properly."),this._abortController=new AbortController;let e=null,t=!1,n=n=>{if(t){n.close();return}let r=n.timestamp;if(this._paused){if(e!==null){if(this._lastSampleTimestamp!==null){let e=r-this._lastSampleTimestamp;this._pauseOffset-=e}this._lastSampleTimestamp=r}n.close();return}if(e===null){e=n.timestamp;let t=this._connectedTrack.output._muxer;t.firstMediaStreamTimestamp===null?(t.firstMediaStreamTimestamp=performance.now()/1e3,this._timestampOffset=-e):this._timestampOffset=performance.now()/1e3-t.firstMediaStreamTimestamp-e}if(this._lastSampleTimestamp=r,this._encoder.getQueueSize()>=4){n.close();return}n.setTimestamp(r+this._pauseOffset),this._encoder.add(n,!0).catch(e=>{t=!0,this._abortController?.abort(),this._promiseWithResolvers.reject(e),this._audioContext?.suspend()})};if(typeof MediaStreamTrackProcessor<`u`){let e=new MediaStreamTrackProcessor({track:this._track}),t=new WritableStream({write:e=>n(new z(e))});e.readable.pipeTo(t,{signal:this._abortController.signal}).catch(e=>{e instanceof DOMException&&e.name===`AbortError`||this._promiseWithResolvers.reject(e)})}else{this._audioContext=new(window.AudioContext||window.webkitAudioContext)({sampleRate:this._track.getSettings().sampleRate});let e=this._audioContext.createMediaStreamSource(new MediaStream([this._track]));this._scriptProcessorNode=this._audioContext.createScriptProcessor(4096),this._audioContext.state===`suspended`&&await this._audioContext.resume(),e.connect(this._scriptProcessorNode),this._scriptProcessorNode.connect(this._audioContext.destination);let t=0;this._scriptProcessorNode.onaudioprocess=e=>{let r=z._fromAudioBuffer(e.inputBuffer,t);t+=e.inputBuffer.duration;for(let e of r)n(e)}}}pause(){this._paused=!0}resume(){this._paused=!1}async _flushAndClose(e){this._abortController&&=(this._abortController.abort(),null),this._audioContext&&(n(this._scriptProcessorNode),this._scriptProcessorNode.disconnect(),await this._audioContext.suspend()),await this._encoder.flushAndClose(e)}},Ae=class extends Z{constructor(e){if(super(),this._connectedTrack=null,!E.includes(e))throw TypeError(`Invalid subtitle codec '${e}'. Must be one of: ${E.join(`, `)}.`);this._codec=e}};const je=[`video`,`audio`,`subtitle`];var $=e=>{if(!e||typeof e!=`object`)throw TypeError(`metadata must be an object.`);if(e.languageCode!==void 0&&!_(e.languageCode))throw TypeError(`metadata.languageCode, when provided, must be a three-letter, ISO 639-2/T language code.`);if(e.name!==void 0&&typeof e.name!=`string`)throw TypeError(`metadata.name, when provided, must be a string.`);if(e.disposition!==void 0&&S(e.disposition),e.maximumPacketCount!==void 0&&(!Number.isInteger(e.maximumPacketCount)||e.maximumPacketCount<0))throw TypeError(`metadata.maximumPacketCount, when provided, must be a non-negative integer.`)},Me=class{constructor(e){if(this.state=`pending`,this._tracks=[],this._startPromise=null,this._cancelPromise=null,this._finalizePromise=null,this._mutex=new u,this._metadataTags={},!e||typeof e!=`object`)throw TypeError(`options must be an object.`);if(!(e.format instanceof J))throw TypeError(`options.format must be an OutputFormat.`);if(!(e.target instanceof q))throw TypeError(`options.target must be a Target.`);if(e.target._output)throw Error(`Target is already used for another output.`);e.target._output=this,this.format=e.format,this.target=e.target,this._writer=e.target._createWriter(),this._muxer=e.format._createMuxer(this)}addVideoTrack(e,t={}){if(!(e instanceof De))throw TypeError(`source must be a VideoSource.`);if($(t),t.rotation!==void 0&&![0,90,180,270].includes(t.rotation))throw TypeError(`Invalid video rotation: ${t.rotation}. Has to be 0, 90, 180 or 270.`);if(!this.format.supportsVideoRotationMetadata&&t.rotation)throw Error(`${this.format._name} does not support video rotation metadata.`);if(t.frameRate!==void 0&&(!Number.isFinite(t.frameRate)||t.frameRate<=0))throw TypeError(`Invalid video frame rate: ${t.frameRate}. Must be a positive number.`);this._addTrack(`video`,e,t)}addAudioTrack(e,t={}){if(!(e instanceof Q))throw TypeError(`source must be an AudioSource.`);$(t),this._addTrack(`audio`,e,t)}addSubtitleTrack(e,t={}){if(!(e instanceof Ae))throw TypeError(`source must be a SubtitleSource.`);$(t),this._addTrack(`subtitle`,e,t)}setMetadataTags(e){if(b(e),this.state!==`pending`)throw Error(`Cannot set metadata tags after output has been started or canceled.`);this._metadataTags=e}_addTrack(e,t,n){if(this.state!==`pending`)throw Error(`Cannot add track after output has been started or canceled.`);if(t._connectedTrack)throw Error(`Source is already used for a track.`);let r=this.format.getSupportedTrackCounts(),i=this._tracks.reduce((t,n)=>t+(n.type===e?1:0),0),a=r[e].max;if(i===a)throw Error(a===0?`${this.format._name} does not support ${e} tracks.`:`${this.format._name} does not support more than ${a} ${e} track${a===1?``:`s`}.`);let o=r.total.max;if(this._tracks.length===o)throw Error(`${this.format._name} does not support more than ${o} tracks${o===1?``:`s`} in total.`);let s={id:this._tracks.length+1,output:this,type:e,source:t,metadata:n};if(s.type===`video`){let e=this.format.getSupportedVideoCodecs();if(e.length===0)throw Error(`${this.format._name} does not support video tracks.`+this.format._codecUnsupportedHint(s.source._codec));if(!e.includes(s.source._codec))throw Error(`Codec '${s.source._codec}' cannot be contained within ${this.format._name}. Supported video codecs are: ${e.map(e=>`'${e}'`).join(`, `)}.`+this.format._codecUnsupportedHint(s.source._codec))}else if(s.type===`audio`){let e=this.format.getSupportedAudioCodecs();if(e.length===0)throw Error(`${this.format._name} does not support audio tracks.`+this.format._codecUnsupportedHint(s.source._codec));if(!e.includes(s.source._codec))throw Error(`Codec '${s.source._codec}' cannot be contained within ${this.format._name}. Supported audio codecs are: ${e.map(e=>`'${e}'`).join(`, `)}.`+this.format._codecUnsupportedHint(s.source._codec))}else if(s.type===`subtitle`){let e=this.format.getSupportedSubtitleCodecs();if(e.length===0)throw Error(`${this.format._name} does not support subtitle tracks.`+this.format._codecUnsupportedHint(s.source._codec));if(!e.includes(s.source._codec))throw Error(`Codec '${s.source._codec}' cannot be contained within ${this.format._name}. Supported subtitle codecs are: ${e.map(e=>`'${e}'`).join(`, `)}.`+this.format._codecUnsupportedHint(s.source._codec))}this._tracks.push(s),t._connectedTrack=s}async start(){let e=this.format.getSupportedTrackCounts();for(let t of je){let n=this._tracks.reduce((e,n)=>e+(n.type===t?1:0),0),r=e[t].min;if(n<r)throw Error(r===e[t].max?`${this.format._name} requires exactly ${r} ${t} track${r===1?``:`s`}.`:`${this.format._name} requires at least ${r} ${t} track${r===1?``:`s`}.`)}let t=e.total.min;if(this._tracks.length<t)throw Error(t===e.total.max?`${this.format._name} requires exactly ${t} track${t===1?``:`s`}.`:`${this.format._name} requires at least ${t} track${t===1?``:`s`}.`);if(this.state===`canceled`)throw Error(`Output has been canceled.`);return this._startPromise?(console.warn(`Output has already been started.`),this._startPromise):this._startPromise=(async()=>{this.state=`started`,this._writer.start();let e=await this._mutex.acquire();await this._muxer.start();let t=this._tracks.map(e=>e.source._start());await Promise.all(t),e()})()}getMimeType(){return this._muxer.getMimeType()}async cancel(){if(this._cancelPromise)return console.warn(`Output has already been canceled.`),this._cancelPromise;if(this.state===`finalizing`||this.state===`finalized`){console.warn(`Output has already been finalized.`);return}return this._cancelPromise=(async()=>{this.state=`canceled`;let e=await this._mutex.acquire(),t=this._tracks.map(e=>e.source._flushOrWaitForOngoingClose(!0));await Promise.all(t),await this._writer.close(),e()})()}async finalize(){if(this.state===`pending`)throw Error(`Cannot finalize before starting.`);if(this.state===`canceled`)throw Error(`Cannot finalize after canceling.`);return this._finalizePromise?(console.warn(`Output has already been finalized.`),this._finalizePromise):this._finalizePromise=(async()=>{this.state=`finalizing`;let e=await this._mutex.acquire(),t=this._tracks.map(e=>e.source._flushOrWaitForOngoingClose(!1));await Promise.all(t),await this._muxer.finalize(),await this._writer.flush(),await this._writer.finalize(),this.state=`finalized`,e()})()}};export{be as a,Ce as i,ke as n,Ee as r,Me as t};
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