244.1774aa2e7bcb7144d884.js

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e.fileInfo,n=_.getParserIdForMimeType(r)||_.getParserIdForExtension(a)||_.getParserIdForExtension(i);return n||k("No parser found for MIME-type / extension: "+r),this.parse(e,n,t)}static async parse(e,t,r){if(!t){k("Guess parser on content...");const r=a.alloc(4100);if(await e.peekBuffer(r,{mayBeLess:!0}),e.fileInfo.path&&(t=this.getParserIdForExtension(e.fileInfo.path)),!t){const e=await i.fromBuffer(r);if(!e)throw new Error("Failed to determine audio format");if(k(`Guessed file type is mime=${e.mime}, extension=${e.ext}`),!(t=_.getParserIdForMimeType(e.mime)))throw new Error("Guessed MIME-type not supported: "+e.mime)}}return async function(e,t,r={}){const a=await _.loadParser(t),i=new c.MetadataCollector(r);return await a.init(i,e,r).parse(),i.toCommonMetadata()}(e,t,r)}static getParserIdForExtension(e){if(e)switch(this.getExtension(e).toLocaleLowerCase()||e){case".mp2":case".mp3":case".m2a":case".aac":return"mpeg";case".ape":return"apev2";case".mp4":case".m4a":case".m4b":case".m4pa":case".m4v":case".m4r":case".3gp":return"mp4";case".wma":case".wmv":case".asf":return"asf";case".flac":return"flac";case".ogg":case".ogv":case".oga":case".ogm":case".ogx":case".opus":case".spx":return"ogg";case".aif":case".aiff":case".aifc":return"aiff";case".wav":case".bwf":return"riff";case".wv":case".wvp":return"wavpack";case".mpc":return"musepack";case".dsf":return"dsf";case".dff":return"dsdiff";case".mka":case".mkv":case".mk3d":case".mks":case".webm":return"matroska"}}static async loadParser(e){switch(e){case"aiff":return new u.AIFFParser;case"adts":case"mpeg":return new m.MpegParser;case"apev2":return new l.APEv2Parser;case"asf":return new d.AsfParser;case"dsf":return new T.DsfParser;case"dsdiff":return new w.DsdiffParser;case"flac":return new f.FlacParser;case"mp4":return new p.MP4Parser;case"musepack":return new h.default;case"ogg":return new g.OggParser;case"riff":return new y.WaveParser;case"wavpack":return new b.WavPackParser;case"matroska":return new v.MatroskaParser;default:throw new Error(`Unknown parser type: ${e}`)}}static getExtension(e){const t=e.lastIndexOf(".");return-1===t?"":e.slice(t)}static getParserIdForMimeType(e){let t;try{t=I(e)}catch(t){return void k(`Invalid HTTP Content-Type header value: ${e}`)}const r=0===t.subtype.indexOf("x-")?t.subtype.substring(2):t.subtype;switch(t.type){case"audio":switch(r){case"mp3":case"mpeg":return"mpeg";case"aac":case"aacp":return"adts";case"flac":return"flac";case"ape":case"monkeys-audio":return"apev2";case"mp4":case"m4a":return"mp4";case"ogg":case"opus":case"speex":return"ogg";case"ms-wma":case"ms-wmv":case"ms-asf":return"asf";case"aiff":case"aif":case"aifc":return"aiff";case"vnd.wave":case"wav":case"wave":return"riff";case"wavpack":return"wavpack";case"musepack":return"musepack";case"matroska":case"webm":return"matroska";case"dsf":return"dsf"}break;case"video":switch(r){case"ms-asf":case"ms-wmv":return"asf";case"m4v":case"mp4":return"mp4";case"ogg":return"ogg";case"matroska":case"webm":return"matroska"}break;case"application":switch(r){case"vnd.ms-asf":return"asf";case"ogg":return"ogg"}}}}t.ParserFactory=_},5410:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.AIFFParser=void 0;const a=r(3416),i=r(1227),n=r(5849),s=r(8928),o=r(8049),c=r(7805),u=r(1162),l=r(4633),d=(0,i.default)("music-metadata:parser:aiff");class f extends c.BasicParser{async parse(){if("FORM"!==(await this.tokenizer.readToken(l.Header)).chunkID)throw new Error("Invalid Chunk-ID, expected 'FORM'");const e=await this.tokenizer.readToken(o.FourCcToken);switch(e){case"AIFF":this.metadata.setFormat("container",e),this.isCompressed=!1;break;case"AIFC":this.metadata.setFormat("container","AIFF-C"),this.isCompressed=!0;break;default:throw Error("Unsupported AIFF type: "+e)}this.metadata.setFormat("lossless",!this.isCompressed);try{for(;!this.tokenizer.fileInfo.size||this.tokenizer.fileInfo.size-this.tokenizer.position>=l.Header.len;){d("Reading AIFF chunk at offset="+this.tokenizer.position);const e=await this.tokenizer.readToken(l.Header);d(`Chunk id=${e.chunkID}`);const t=2*Math.round(e.chunkSize/2),r=await this.readData(e);await this.tokenizer.ignore(t-r)}}catch(e){if(!(e instanceof n.EndOfStreamError))throw e;d("End-of-stream")}}async readData(e){switch(e.chunkID){case"COMM":const t=await this.tokenizer.readToken(new u.Common(e,this.isCompressed));return this.metadata.setFormat("bitsPerSample",t.sampleSize),this.metadata.setFormat("sampleRate",t.sampleRate),this.metadata.setFormat("numberOfChannels",t.numChannels),this.metadata.setFormat("numberOfSamples",t.numSampleFrames),this.metadata.setFormat("duration",t.numSampleFrames/t.sampleRate),this.metadata.setFormat("codec",t.compressionName),e.chunkSize;case"ID3 ":const r=await this.tokenizer.readToken(new a.Uint8ArrayType(e.chunkSize)),i=n.fromBuffer(r);return await(new s.ID3v2Parser).parse(this.metadata,i,this.options),e.chunkSize;case"SSND":return this.metadata.format.duration&&this.metadata.setFormat("bitrate",8*e.chunkSize/this.metadata.format.duration),0;default:return 0}}}t.AIFFParser=f},1162:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.Common=void 0;const 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tryParseApeHeader(e,t,r){const a=new p;return a.init(e,t,r),a.tryParseApeHeader()}static calculateDuration(e){let t=e.totalFrames>1?e.blocksPerFrame*(e.totalFrames-1):0;return t+=e.finalFrameBlocks,t/e.sampleRate}static async findApeFooterOffset(e,t){const r=a.alloc(u.TagFooter.len);await e.randomRead(r,0,u.TagFooter.len,t-u.TagFooter.len);const i=u.TagFooter.get(r,0);if("APETAGEX"===i.ID)return l(`APE footer header at offset=${t}`),{footer:i,offset:t-i.size}}static parseTagFooter(e,t,r){const a=u.TagFooter.get(t,t.length-u.TagFooter.len);if(a.ID!==f)throw new Error("Unexpected APEv2 Footer ID preamble value.");n.fromBuffer(t);const i=new p;return i.init(e,n.fromBuffer(t),r),i.parseTags(a)}async tryParseApeHeader(){if(this.tokenizer.fileInfo.size&&this.tokenizer.fileInfo.size-this.tokenizer.position<u.TagFooter.len)return void l("No APEv2 header found, end-of-file reached");const e=await this.tokenizer.peekToken(u.TagFooter);if(e.ID===f)return await this.tokenizer.ignore(u.TagFooter.len),this.parseTags(e);if(l(`APEv2 header not found at offset=${this.tokenizer.position}`),this.tokenizer.fileInfo.size){const e=this.tokenizer.fileInfo.size-this.tokenizer.position,t=a.alloc(e);return await this.tokenizer.readBuffer(t),p.parseTagFooter(this.metadata,t,this.options)}}async parse(){const e=await this.tokenizer.readToken(u.DescriptorParser);if("MAC "!==e.ID)throw new Error("Unexpected descriptor ID");this.ape.descriptor=e;const t=e.descriptorBytes-u.DescriptorParser.len,r=await(t>0?this.parseDescriptorExpansion(t):this.parseHeader());return await this.tokenizer.ignore(r.forwardBytes),this.tryParseApeHeader()}async parseTags(e){const t=a.alloc(256);let r=e.size-u.TagFooter.len;l(`Parse APE tags at offset=${this.tokenizer.position}, size=${r}`);for(let i=0;i<e.fields;i++){if(r<u.TagItemHeader.len){this.metadata.addWarning(`APEv2 Tag-header: ${e.fields-i} items remaining, but no more tag data to read.`);break}const n=await this.tokenizer.readToken(u.TagItemHeader);r-=u.TagItemHeader.len+n.size,await this.tokenizer.peekBuffer(t,{length:Math.min(t.length,r)});let c=o.findZero(t,0,t.length);const f=await this.tokenizer.readToken(new s.StringType(c,"ascii"));switch(await this.tokenizer.ignore(1),r-=f.length+1,n.flags.dataType){case u.DataType.text_utf8:{const e=(await this.tokenizer.readToken(new s.StringType(n.size,"utf8"))).split(/\x00/g);for(const t of e)this.metadata.addTag(d,f,t);break}case u.DataType.binary:if(this.options.skipCovers)await this.tokenizer.ignore(n.size);else{const e=a.alloc(n.size);await this.tokenizer.readBuffer(e),c=o.findZero(e,0,e.length);const t=e.toString("utf8",0,c),r=a.from(e.slice(c+1));this.metadata.addTag(d,f,{description:t,data:r})}break;case u.DataType.external_info:l(`Ignore external info ${f}`),await this.tokenizer.ignore(n.size);break;case u.DataType.reserved:l(`Ignore external info ${f}`),this.metadata.addWarning(`APEv2 header declares a reserved datatype for "${f}"`),await this.tokenizer.ignore(n.size)}}}async parseDescriptorExpansion(e){return await this.tokenizer.ignore(e),this.parseHeader()}async parseHeader(){const e=await this.tokenizer.readToken(u.Header);return this.metadata.setFormat("lossless",!0),this.metadata.setFormat("container","Monkey's Audio"),this.metadata.setFormat("bitsPerSample",e.bitsPerSample),this.metadata.setFormat("sampleRate",e.sampleRate),this.metadata.setFormat("numberOfChannels",e.channel),this.metadata.setFormat("duration",p.calculateDuration(e)),{forwardBytes:this.ape.descriptor.seekTableBytes+this.ape.descriptor.headerDataBytes+this.ape.descriptor.apeFrameDataBytes+this.ape.descriptor.terminatingDataBytes}}}t.APEv2Parser=p},8414:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.APEv2TagMapper=void 0;const a=r(4132),i={Title:"title",Artist:"artist",Artists:"artists","Album Artist":"albumartist",Album:"album",Year:"date",Originalyear:"originalyear",Originaldate:"originaldate",Comment:"comment",Track:"track",Disc:"disk",DISCNUMBER:"disk",Genre:"genre","Cover Art (Front)":"picture","Cover Art (Back)":"picture",Composer:"composer",Lyrics:"lyrics",ALBUMSORT:"albumsort",TITLESORT:"titlesort",WORK:"work",ARTISTSORT:"artistsort",ALBUMARTISTSORT:"albumartistsort",COMPOSERSORT:"composersort",Lyricist:"lyricist",Writer:"writer",Conductor:"conductor",MixArtist:"remixer",Arranger:"arranger",Engineer:"engineer",Producer:"producer",DJMixer:"djmixer",Mixer:"mixer",Label:"label",Grouping:"grouping",Subtitle:"subtitle",DiscSubtitle:"discsubtitle",Compilation:"compilation",BPM:"bpm",Mood:"mood",Media:"media",CatalogNumber:"catalognumber",MUSICBRAINZ_ALBUMSTATUS:"releasestatus",MUSICBRAINZ_ALBUMTYPE:"releasetype",RELEASECOUNTRY:"releasecountry",Script:"script",Language:"language",Copyright:"copyright",LICENSE:"license",EncodedBy:"encodedby",EncoderSettings:"encodersettings",Barcode:"barcode",ISRC:"isrc",ASIN:"asin",musicbrainz_trackid:"musicbrainz_recordingid",musicbrainz_releasetrackid:"musicbrainz_trackid",MUSICBRAINZ_ALBUMID:"musicbrainz_albumid",MUSICBRAINZ_ARTISTID:"musicbrainz_artistid",MUSICBRAINZ_ALBUMARTISTID:"musicbrainz_albumartistid",MUSICBRAINZ_RELEASEGROUPID:"musicbrainz_releasegroupid",MUSICBRAINZ_WORKID:"musicbrainz_workid",MUSICBRAINZ_TRMID:"musicbrainz_trmid",MUSICBRAINZ_DISCID:"musicbrainz_discid",Acoustid_Id:"acoustid_id",ACOUSTID_FINGERPRINT:"acoustid_fingerprint",MUSICIP_PUID:"musicip_puid",Weblink:"website",REPLAYGAIN_TRACK_GAIN:"replaygain_track_gain",REPLAYGAIN_TRACK_PEAK:"replaygain_track_peak",MP3GAIN_MINMAX:"replaygain_track_minmax",MP3GAIN_UNDO:"replaygain_undo"};class n extends a.CaseInsensitiveTagMap{constructor(){super(["APEv2"],i)}}t.APEv2TagMapper=n},876:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.isBitSet=t.parseTagFlags=t.TagField=t.TagItemHeader=t.TagFooter=t.Header=t.DescriptorParser=t.DataType=void 0;const a=r(3416),i=r(8049);function n(e){return{containsHeader:s(e,31),containsFooter:s(e,30),isHeader:s(e,31),readOnly:s(e,0),dataType:(6&e)>>1}}function s(e,t){return!!(e&1<<t)}var o;(o=t.DataType||(t.DataType={}))[o.text_utf8=0]="text_utf8",o[o.binary=1]="binary",o[o.external_info=2]="external_info",o[o.reserved=3]="reserved",t.DescriptorParser={len:52,get:(e,t)=>({ID:i.FourCcToken.get(e,t),version:a.UINT32_LE.get(e,t+4)/1e3,descriptorBytes:a.UINT32_LE.get(e,t+8),headerBytes:a.UINT32_LE.get(e,t+12),seekTableBytes:a.UINT32_LE.get(e,t+16),headerDataBytes:a.UINT32_LE.get(e,t+20),apeFrameDataBytes:a.UINT32_LE.get(e,t+24),apeFrameDataBytesHigh:a.UINT32_LE.get(e,t+28),terminatingDataBytes:a.UINT32_LE.get(e,t+32),fileMD5:new a.Uint8ArrayType(16).get(e,t+36)})},t.Header={len:24,get:(e,t)=>({compressionLevel:a.UINT16_LE.get(e,t),formatFlags:a.UINT16_LE.get(e,t+2),blocksPerFrame:a.UINT32_LE.get(e,t+4),finalFrameBlocks:a.UINT32_LE.get(e,t+8),totalFrames:a.UINT32_LE.get(e,t+12),bitsPerSample:a.UINT16_LE.get(e,t+16),channel:a.UINT16_LE.get(e,t+18),sampleRate:a.UINT32_LE.get(e,t+20)})},t.TagFooter={len:32,get:(e,t)=>({ID:new a.StringType(8,"ascii").get(e,t),version:a.UINT32_LE.get(e,t+8),size:a.UINT32_LE.get(e,t+12),fields:a.UINT32_LE.get(e,t+16),flags:n(a.UINT32_LE.get(e,t+20))})},t.TagItemHeader={len:8,get:(e,t)=>({size:a.UINT32_LE.get(e,t),flags:n(a.UINT32_LE.get(e,t+4))})},t.TagField=e=>new a.Uint8ArrayType(e.size-t.TagFooter.len),t.parseTagFlags=n,t.isBitSet=s},5174:(e,t,r)=>{"use strict";var a=r(8764).Buffer;Object.defineProperty(t,"__esModule",{value:!0}),t.WmPictureToken=t.MetadataLibraryObjectState=t.MetadataObjectState=t.ExtendedStreamPropertiesObjectState=t.ExtendedContentDescriptionObjectState=t.ContentDescriptionObjectState=t.readCodecEntries=t.HeaderExtensionObject=t.StreamPropertiesObject=t.FilePropertiesObject=t.IgnoreObjectState=t.State=t.HeaderObjectToken=t.TopLevelHeaderObjectToken=t.DataType=void 0;const i=r(3769),n=r(3416),s=r(8054),o=r(2252),c=r(8281);var u;(u=t.DataType||(t.DataType={}))[u.UnicodeString=0]="UnicodeString",u[u.ByteArray=1]="ByteArray",u[u.Bool=2]="Bool",u[u.DWord=3]="DWord",u[u.QWord=4]="QWord",u[u.Word=5]="Word",t.TopLevelHeaderObjectToken={len:30,get:(e,t)=>({objectId:s.default.fromBin(new n.BufferType(16).get(e,t)),objectSize:Number(n.UINT64_LE.get(e,t+16)),numberOfHeaderObjects:n.UINT32_LE.get(e,t+24)})},t.HeaderObjectToken={len:24,get:(e,t)=>({objectId:s.default.fromBin(new n.BufferType(16).get(e,t)),objectSize:Number(n.UINT64_LE.get(e,t+16))})};class l{constructor(e){this.len=Number(e.objectSize)-t.HeaderObjectToken.len}postProcessTag(e,t,r,a){if("WM/Picture"===t)e.push({id:t,value:I.fromBuffer(a)});else{const i=o.AsfUtil.getParserForAttr(r);if(!i)throw new Error("unexpected value headerType: "+r);e.push({id:t,value:i(a)})}}}t.State=l,t.IgnoreObjectState=class extends l{constructor(e){super(e)}get(e,t){return null}};class d extends l{constructor(e){super(e)}get(e,t){return{fileId:s.default.fromBin(e,t),fileSize:n.UINT64_LE.get(e,t+16),creationDate:n.UINT64_LE.get(e,t+24),dataPacketsCount:n.UINT64_LE.get(e,t+32),playDuration:n.UINT64_LE.get(e,t+40),sendDuration:n.UINT64_LE.get(e,t+48),preroll:n.UINT64_LE.get(e,t+56),flags:{broadcast:i.getBit(e,t+64,24),seekable:i.getBit(e,t+64,25)},minimumDataPacketSize:n.UINT32_LE.get(e,t+68),maximumDataPacketSize:n.UINT32_LE.get(e,t+72),maximumBitrate:n.UINT32_LE.get(e,t+76)}}}t.FilePropertiesObject=d,d.guid=s.default.FilePropertiesObject;class f extends l{constructor(e){super(e)}get(e,t){return{streamType:s.default.decodeMediaType(s.default.fromBin(e,t)),errorCorrectionType:s.default.fromBin(e,t+8)}}}t.StreamPropertiesObject=f,f.guid=s.default.StreamPropertiesObject;class p{constructor(){this.len=22}get(e,t){return{reserved1:s.default.fromBin(e,t),reserved2:e.readUInt16LE(t+16),extensionDataSize:e.readUInt32LE(t+18)}}}t.HeaderExtensionObject=p,p.guid=s.default.HeaderExtensionObject;const m={len:20,get:(e,t)=>({entryCount:e.readUInt16LE(t+16)})};async function h(e){const t=await e.readNumber(n.UINT16_LE);return(await e.readToken(new n.StringType(2*t,"utf16le"))).replace("\0","")}async function g(e){const t=await e.readNumber(n.UINT16_LE),r=a.alloc(t);return await e.readBuffer(r),r}async function y(e){const t=await e.readNumber(n.UINT16_LE);return{type:{videoCodec:!(1&~t),audioCodec:!(2&~t)},codecName:await h(e),description:await h(e),information:await g(e)}}t.readCodecEntries=async function(e){const t=await e.readToken(m),r=[];for(let a=0;a<t.entryCount;++a)r.push(await y(e));return r};class b extends l{constructor(e){super(e)}get(e,t){const r=[];let a=t+10;for(let i=0;i<b.contentDescTags.length;++i){const n=e.readUInt16LE(t+2*i);if(n>0){const t=b.contentDescTags[i],s=a+n;r.push({id:t,value:o.AsfUtil.parseUnicodeAttr(e.slice(a,s))}),a=s}}return r}}t.ContentDescriptionObjectState=b,b.guid=s.default.ContentDescriptionObject,b.contentDescTags=["Title","Author","Copyright","Description","Rating"];class T extends l{constructor(e){super(e)}get(e,t){const r=[],a=e.readUInt16LE(t);let i=t+2;for(let t=0;t<a;t+=1){const t=e.readUInt16LE(i);i+=2;const a=o.AsfUtil.parseUnicodeAttr(e.slice(i,i+t));i+=t;const n=e.readUInt16LE(i);i+=2;const s=e.readUInt16LE(i);i+=2;const c=e.slice(i,i+s);i+=s,this.postProcessTag(r,a,n,c)}return r}}t.ExtendedContentDescriptionObjectState=T,T.guid=s.default.ExtendedContentDescriptionObject;class w extends l{constructor(e){super(e)}get(e,t){return{startTime:n.UINT64_LE.get(e,t),endTime:n.UINT64_LE.get(e,t+8),dataBitrate:e.readInt32LE(t+12),bufferSize:e.readInt32LE(t+16),initialBufferFullness:e.readInt32LE(t+20),alternateDataBitrate:e.readInt32LE(t+24),alternateBufferSize:e.readInt32LE(t+28),alternateInitialBufferFullness:e.readInt32LE(t+32),maximumObjectSize:e.readInt32LE(t+36),flags:{reliableFlag:i.getBit(e,t+40,0),seekableFlag:i.getBit(e,t+40,1),resendLiveCleanpointsFlag:i.getBit(e,t+40,2)},streamNumber:e.readInt16LE(t+42),streamLanguageId:e.readInt16LE(t+44),averageTimePerFrame:e.readInt32LE(t+52),streamNameCount:e.readInt32LE(t+54),payloadExtensionSystems:e.readInt32LE(t+56),streamNames:[],streamPropertiesObject:null}}}t.ExtendedStreamPropertiesObjectState=w,w.guid=s.default.ExtendedStreamPropertiesObject;class v extends l{constructor(e){super(e)}get(e,t){const r=[],i=a.from(e),n=i.readUInt16LE(t);let s=t+2;for(let e=0;e<n;e+=1){s+=4;const e=i.readUInt16LE(s);s+=2;const t=i.readUInt16LE(s);s+=2;const a=i.readUInt32LE(s);s+=4;const n=o.AsfUtil.parseUnicodeAttr(i.slice(s,s+e));s+=e;const c=i.slice(s,s+a);s+=a,this.postProcessTag(r,n,t,c)}return r}}t.MetadataObjectState=v,v.guid=s.default.MetadataObject;class k extends v{constructor(e){super(e)}}t.MetadataLibraryObjectState=k,k.guid=s.default.MetadataLibraryObject;class I{constructor(e){this.len=e}static fromBase64(e){return this.fromBuffer(a.from(e,"base64"))}static fromBuffer(e){return new I(e.length).get(e,0)}get(e,t){const r=e.readUInt8(t++),a=e.readInt32LE(t);let i=5;for(;0!==e.readUInt16BE(i);)i+=2;const n=e.slice(5,i).toString("utf16le");for(;0!==e.readUInt16BE(i);)i+=2;const s=e.slice(5,i).toString("utf16le");return{type:c.AttachedPictureType[r],format:n,description:s,size:a,data:e.slice(i+4)}}}t.WmPictureToken=I},1004:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.AsfParser=void 0;const a=r(1227),i=r(6032),n=r(8054),s=r(5174),o=r(7805),c=(0,a.default)("music-metadata:parser:ASF");class u extends o.BasicParser{async parse(){const e=await this.tokenizer.readToken(s.TopLevelHeaderObjectToken);if(!e.objectId.equals(n.default.HeaderObject))throw new Error("expected asf header; but was not found; got: "+e.objectId.str);try{await this.parseObjectHeader(e.numberOfHeaderObjects)}catch(e){c("Error while parsing ASF: %s",e)}}async parseObjectHeader(e){let t;do{const e=await this.tokenizer.readToken(s.HeaderObjectToken);switch(c("header GUID=%s",e.objectId.str),e.objectId.str){case s.FilePropertiesObject.guid.str:const r=await this.tokenizer.readToken(new s.FilePropertiesObject(e));this.metadata.setFormat("duration",Number(r.playDuration/BigInt(1e3))/1e4-Number(r.preroll)/1e3),this.metadata.setFormat("bitrate",r.maximumBitrate);break;case s.StreamPropertiesObject.guid.str:const a=await this.tokenizer.readToken(new s.StreamPropertiesObject(e));this.metadata.setFormat("container","ASF/"+a.streamType);break;case s.HeaderExtensionObject.guid.str:const o=await this.tokenizer.readToken(new s.HeaderExtensionObject);await this.parseExtensionObject(o.extensionDataSize);break;case s.ContentDescriptionObjectState.guid.str:t=await this.tokenizer.readToken(new s.ContentDescriptionObjectState(e)),this.addTags(t);break;case s.ExtendedContentDescriptionObjectState.guid.str:t=await this.tokenizer.readToken(new s.ExtendedContentDescriptionObjectState(e)),this.addTags(t);break;case n.default.CodecListObject.str:const u=await s.readCodecEntries(this.tokenizer);u.forEach((e=>{this.metadata.addStreamInfo({type:e.type.videoCodec?i.TrackType.video:i.TrackType.audio,codecName:e.codecName})}));const l=u.filter((e=>e.type.audioCodec)).map((e=>e.codecName)).join("/");this.metadata.setFormat("codec",l);break;case n.default.StreamBitratePropertiesObject.str:await this.tokenizer.ignore(e.objectSize-s.HeaderObjectToken.len);break;case n.default.PaddingObject.str:c("Padding: %s bytes",e.objectSize-s.HeaderObjectToken.len),await this.tokenizer.ignore(e.objectSize-s.HeaderObjectToken.len);break;default:this.metadata.addWarning("Ignore ASF-Object-GUID: "+e.objectId.str),c("Ignore ASF-Object-GUID: %s",e.objectId.str),await this.tokenizer.readToken(new s.IgnoreObjectState(e))}}while(--e)}addTags(e){e.forEach((e=>{this.metadata.addTag("asf",e.id,e.value)}))}async parseExtensionObject(e){do{const t=await this.tokenizer.readToken(s.HeaderObjectToken),r=t.objectSize-s.HeaderObjectToken.len;switch(t.objectId.str){case s.ExtendedStreamPropertiesObjectState.guid.str:await this.tokenizer.readToken(new s.ExtendedStreamPropertiesObjectState(t));break;case s.MetadataObjectState.guid.str:const e=await this.tokenizer.readToken(new s.MetadataObjectState(t));this.addTags(e);break;case s.MetadataLibraryObjectState.guid.str:const a=await this.tokenizer.readToken(new s.MetadataLibraryObjectState(t));this.addTags(a);break;case n.default.PaddingObject.str:await this.tokenizer.ignore(r);break;case n.default.CompatibilityObject.str:this.tokenizer.ignore(r);break;case n.default.ASF_Index_Placeholder_Object.str:await this.tokenizer.ignore(r);break;default:this.metadata.addWarning("Ignore ASF-Object-GUID: "+t.objectId.str),await this.tokenizer.readToken(new s.IgnoreObjectState(t))}e-=t.objectSize}while(e>0)}}t.AsfParser=u},9004:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.AsfTagMapper=void 0;const a=r(9918),i={Title:"title",Author:"artist","WM/AlbumArtist":"albumartist","WM/AlbumTitle":"album","WM/Year":"date","WM/OriginalReleaseTime":"originaldate","WM/OriginalReleaseYear":"originalyear",Description:"comment","WM/TrackNumber":"track","WM/PartOfSet":"disk","WM/Genre":"genre","WM/Composer":"composer","WM/Lyrics":"lyrics","WM/AlbumSortOrder":"albumsort","WM/TitleSortOrder":"titlesort","WM/ArtistSortOrder":"artistsort","WM/AlbumArtistSortOrder":"albumartistsort","WM/ComposerSortOrder":"composersort","WM/Writer":"lyricist","WM/Conductor":"conductor","WM/ModifiedBy":"remixer","WM/Engineer":"engineer","WM/Producer":"producer","WM/DJMixer":"djmixer","WM/Mixer":"mixer","WM/Publisher":"label","WM/ContentGroupDescription":"grouping","WM/SubTitle":"subtitle","WM/SetSubTitle":"discsubtitle","WM/IsCompilation":"compilation","WM/SharedUserRating":"rating","WM/BeatsPerMinute":"bpm","WM/Mood":"mood","WM/Media":"media","WM/CatalogNo":"catalognumber","MusicBrainz/Album Status":"releasestatus","MusicBrainz/Album Type":"releasetype","MusicBrainz/Album Release Country":"releasecountry","WM/Script":"script","WM/Language":"language",Copyright:"copyright",LICENSE:"license","WM/EncodedBy":"encodedby","WM/EncodingSettings":"encodersettings","WM/Barcode":"barcode","WM/ISRC":"isrc","MusicBrainz/Track Id":"musicbrainz_recordingid","MusicBrainz/Release Track Id":"musicbrainz_trackid","MusicBrainz/Album Id":"musicbrainz_albumid","MusicBrainz/Artist Id":"musicbrainz_artistid","MusicBrainz/Album Artist Id":"musicbrainz_albumartistid","MusicBrainz/Release Group Id":"musicbrainz_releasegroupid","MusicBrainz/Work Id":"musicbrainz_workid","MusicBrainz/TRM Id":"musicbrainz_trmid","MusicBrainz/Disc Id":"musicbrainz_discid","Acoustid/Id":"acoustid_id","Acoustid/Fingerprint":"acoustid_fingerprint","MusicIP/PUID":"musicip_puid","WM/ARTISTS":"artists","WM/InitialKey":"key",ASIN:"asin","WM/Work":"work","WM/AuthorURL":"website","WM/Picture":"picture"};class n extends a.CommonTagMapper{static toRating(e){return{rating:parseFloat(e+1)/5}}constructor(){super(["asf"],i)}postMap(e){if("WM/SharedUserRating"===e.id){const t=e.id.split(":");e.value=n.toRating(e.value),e.id=t[0]}}}t.AsfTagMapper=n},2252:(e,t,r)=>{"use strict";var a=r(8764).Buffer;Object.defineProperty(t,"__esModule",{value:!0}),t.AsfUtil=void 0;const i=r(3416),n=r(3769);class s{static getParserForAttr(e){return s.attributeParsers[e]}static parseUnicodeAttr(e){return n.stripNulls(n.decodeString(e,"utf16le"))}static parseByteArrayAttr(e){return a.from(e)}static parseBoolAttr(e,t=0){return 1===s.parseWordAttr(e,t)}static parseDWordAttr(e,t=0){return e.readUInt32LE(t)}static parseQWordAttr(e,t=0){return i.UINT64_LE.get(e,t)}static parseWordAttr(e,t=0){return e.readUInt16LE(t)}}t.AsfUtil=s,s.attributeParsers=[s.parseUnicodeAttr,s.parseByteArrayAttr,s.parseBoolAttr,s.parseDWordAttr,s.parseQWordAttr,s.parseWordAttr,s.parseByteArrayAttr]},8054:(e,t,r)=>{"use strict";var a=r(8764).Buffer;Object.defineProperty(t,"__esModule",{value:!0});class i{constructor(e){this.str=e}static fromBin(e,t=0){return new i(this.decode(e,t))}static decode(e,t=0){return(e.readUInt32LE(t).toString(16)+"-"+e.readUInt16LE(t+4).toString(16)+"-"+e.readUInt16LE(t+6).toString(16)+"-"+e.readUInt16BE(t+8).toString(16)+"-"+e.slice(t+10,t+16).toString("hex")).toUpperCase()}static decodeMediaType(e){switch(e.str){case i.AudioMedia.str:return"audio";case i.VideoMedia.str:return"video";case i.CommandMedia.str:return"command";case i.Degradable_JPEG_Media.str:return"degradable-jpeg";case i.FileTransferMedia.str:return"file-transfer";case i.BinaryMedia.str:return"binary"}}static encode(e){const t=a.alloc(16);return t.writeUInt32LE(parseInt(e.slice(0,8),16),0),t.writeUInt16LE(parseInt(e.slice(9,13),16),4),t.writeUInt16LE(parseInt(e.slice(14,18),16),6),a.from(e.slice(19,23),"hex").copy(t,8),a.from(e.slice(24),"hex").copy(t,10),t}equals(e){return this.str===e.str}toBin(){return i.encode(this.str)}}t.default=i,i.HeaderObject=new i("75B22630-668E-11CF-A6D9-00AA0062CE6C"),i.DataObject=new i("75B22636-668E-11CF-A6D9-00AA0062CE6C"),i.SimpleIndexObject=new i("33000890-E5B1-11CF-89F4-00A0C90349CB"),i.IndexObject=new i("D6E229D3-35DA-11D1-9034-00A0C90349BE"),i.MediaObjectIndexObject=new i("FEB103F8-12AD-4C64-840F-2A1D2F7AD48C"),i.TimecodeIndexObject=new i("3CB73FD0-0C4A-4803-953D-EDF7B6228F0C"),i.FilePropertiesObject=new i("8CABDCA1-A947-11CF-8EE4-00C00C205365"),i.StreamPropertiesObject=new i("B7DC0791-A9B7-11CF-8EE6-00C00C205365"),i.HeaderExtensionObject=new i("5FBF03B5-A92E-11CF-8EE3-00C00C205365"),i.CodecListObject=new i("86D15240-311D-11D0-A3A4-00A0C90348F6"),i.ScriptCommandObject=new i("1EFB1A30-0B62-11D0-A39B-00A0C90348F6"),i.MarkerObject=new i("F487CD01-A951-11CF-8EE6-00C00C205365"),i.BitrateMutualExclusionObject=new i("D6E229DC-35DA-11D1-9034-00A0C90349BE"),i.ErrorCorrectionObject=new i("75B22635-668E-11CF-A6D9-00AA0062CE6C"),i.ContentDescriptionObject=new i("75B22633-668E-11CF-A6D9-00AA0062CE6C"),i.ExtendedContentDescriptionObject=new i("D2D0A440-E307-11D2-97F0-00A0C95EA850"),i.ContentBrandingObject=new i("2211B3FA-BD23-11D2-B4B7-00A0C955FC6E"),i.StreamBitratePropertiesObject=new i("7BF875CE-468D-11D1-8D82-006097C9A2B2"),i.ContentEncryptionObject=new i("2211B3FB-BD23-11D2-B4B7-00A0C955FC6E"),i.ExtendedContentEncryptionObject=new i("298AE614-2622-4C17-B935-DAE07EE9289C"),i.DigitalSignatureObject=new i("2211B3FC-BD23-11D2-B4B7-00A0C955FC6E"),i.PaddingObject=new i("1806D474-CADF-4509-A4BA-9AABCB96AAE8"),i.ExtendedStreamPropertiesObject=new i("14E6A5CB-C672-4332-8399-A96952065B5A"),i.AdvancedMutualExclusionObject=new i("A08649CF-4775-4670-8A16-6E35357566CD"),i.GroupMutualExclusionObject=new i("D1465A40-5A79-4338-B71B-E36B8FD6C249"),i.StreamPrioritizationObject=new i("D4FED15B-88D3-454F-81F0-ED5C45999E24"),i.BandwidthSharingObject=new i("A69609E6-517B-11D2-B6AF-00C04FD908E9"),i.LanguageListObject=new i("7C4346A9-EFE0-4BFC-B229-393EDE415C85"),i.MetadataObject=new i("C5F8CBEA-5BAF-4877-8467-AA8C44FA4CCA"),i.MetadataLibraryObject=new i("44231C94-9498-49D1-A141-1D134E457054"),i.IndexParametersObject=new i("D6E229DF-35DA-11D1-9034-00A0C90349BE"),i.MediaObjectIndexParametersObject=new i("6B203BAD-3F11-48E4-ACA8-D7613DE2CFA7"),i.TimecodeIndexParametersObject=new i("F55E496D-9797-4B5D-8C8B-604DFE9BFB24"),i.CompatibilityObject=new i("26F18B5D-4584-47EC-9F5F-0E651F0452C9"),i.AdvancedContentEncryptionObject=new i("43058533-6981-49E6-9B74-AD12CB86D58C"),i.AudioMedia=new i("F8699E40-5B4D-11CF-A8FD-00805F5C442B"),i.VideoMedia=new i("BC19EFC0-5B4D-11CF-A8FD-00805F5C442B"),i.CommandMedia=new i("59DACFC0-59E6-11D0-A3AC-00A0C90348F6"),i.JFIF_Media=new i("B61BE100-5B4E-11CF-A8FD-00805F5C442B"),i.Degradable_JPEG_Media=new i("35907DE0-E415-11CF-A917-00805F5C442B"),i.FileTransferMedia=new i("91BD222C-F21C-497A-8B6D-5AA86BFC0185"),i.BinaryMedia=new 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e={id:"artist",value:f((this.common.artists||[]).concat([t.value]))};this.setGenericTag("artificial",e)}break;case"picture":return void this.postFixPicture(t.value).then((r=>{null!==r&&(t.value=r,this.setGenericTag(e,t))}));case"totaltracks":return void(this.common.track.of=o.CommonTagMapper.toIntOrNull(t.value));case"totaldiscs":return void(this.common.disk.of=o.CommonTagMapper.toIntOrNull(t.value));case"movementTotal":return void(this.common.movementIndex.of=o.CommonTagMapper.toIntOrNull(t.value));case"track":case"disk":case"movementIndex":const r=this.common[t.id].of;return this.common[t.id]=o.CommonTagMapper.normalizeTrack(t.value),void(this.common[t.id].of=null!=r?r:this.common[t.id].of);case"bpm":case"year":case"originalyear":t.value=parseInt(t.value,10);break;case"date":const a=parseInt(t.value.substr(0,4),10);isNaN(a)||(this.common.year=a);break;case"discogs_label_id":case"discogs_release_id":case"discogs_master_release_id":case"discogs_artist_id":case"discogs_votes":t.value="string"==typeof t.value?parseInt(t.value,10):t.value;break;case"replaygain_track_gain":case"replaygain_track_peak":case"replaygain_album_gain":case"replaygain_album_peak":t.value=(0,c.toRatio)(t.value);break;case"replaygain_track_minmax":t.value=t.value.split(",").map((e=>parseInt(e,10)));break;case"replaygain_undo":const i=t.value.split(",").map((e=>parseInt(e,10)));t.value={leftChannel:i[0],rightChannel:i[1]};break;case"gapless":case"compilation":case"podcast":case"showMovement":t.value="1"===t.value||1===t.value;break;case"isrc":if(this.common[t.id]&&-1!==this.common[t.id].indexOf(t.value))return}null!==t.value&&this.setGenericTag(e,t)}toCommonMetadata(){return{format:this.format,native:this.native,quality:this.quality,common:this.common}}async postFixPicture(e){if(e.data&&e.data.length>0){if(!e.format){const t=await u.fromBuffer(e.data);if(!t)return null;e.format=t.mime}return e.format=e.format.toLocaleLowerCase(),"image/jpg"===e.format&&(e.format="image/jpeg"),e}return this.addWarning("Empty picture tag found"),null}toCommon(e,t,r){const a={id:t,value:r},i=this.tagMapper.mapTag(e,a,this);i&&this.postMap(e,i)}setGenericTag(e,t){l(`common.${t.id} = ${t.value}`);const r=this.commonOrigin[t.id]||1e3,a=this.originPriority[e];if((0,n.isSingleton)(t.id)){if(!(a<=r))return l(`Ignore native tag (singleton): ${e}.${t.id} = ${t.value}`);this.common[t.id]=t.value,this.commonOrigin[t.id]=a}else if(a===r)(0,n.isUnique)(t.id)&&-1!==this.common[t.id].indexOf(t.value)?l(`Ignore duplicate value: ${e}.${t.id} = ${t.value}`):this.common[t.id].push(t.value);else{if(!(a<r))return l(`Ignore native tag (list): ${e}.${t.id} = 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size=${e.chunkSize}]`);break;case"DSD":this.metadata.setFormat("numberOfSamples",Number(e.chunkSize*BigInt(8)/BigInt(this.metadata.format.numberOfChannels))),this.metadata.setFormat("duration",this.metadata.format.numberOfSamples/this.metadata.format.sampleRate)}const r=e.chunkSize-BigInt(this.tokenizer.position-t);r>0&&(l(`After Parsing chunk, remaining ${r} bytes`),await this.tokenizer.ignore(Number(r)))}async handleSoundPropertyChunks(e){for(l(`Parsing sound-property-chunks, remainingSize=${e}`);e>0;){const t=await this.tokenizer.readToken(u.ChunkHeader64);l(`Sound-property-chunk[ID=${t.chunkID}, size=${t.chunkSize}]`);const r=this.tokenizer.position;switch(t.chunkID.trim()){case"FS":const e=await this.tokenizer.readToken(a.UINT32_BE);this.metadata.setFormat("sampleRate",e);break;case"CHNL":const r=await this.tokenizer.readToken(a.UINT16_BE);this.metadata.setFormat("numberOfChannels",r),await this.handleChannelChunks(t.chunkSize-BigInt(a.UINT16_BE.len));break;case"CMPR":const i=(await this.tokenizer.readToken(s.FourCcToken)).trim(),n=await this.tokenizer.readToken(a.UINT8),o=await this.tokenizer.readToken(new a.StringType(n,"ascii"));"DSD"===i&&(this.metadata.setFormat("lossless",!0),this.metadata.setFormat("bitsPerSample",1)),this.metadata.setFormat("codec",`${i} (${o})`);break;case"ABSS":const c=await this.tokenizer.readToken(a.UINT16_BE),u=await this.tokenizer.readToken(a.UINT8),d=await this.tokenizer.readToken(a.UINT8),f=await this.tokenizer.readToken(a.UINT32_BE);l(`ABSS ${c}:${u}:${d}.${f}`);break;case"LSCO":const p=await this.tokenizer.readToken(a.UINT16_BE);l(`LSCO lsConfig=${p}`);break;default:l(`Unknown sound-property-chunk[ID=${t.chunkID}, size=${t.chunkSize}]`),await this.tokenizer.ignore(Number(t.chunkSize))}const i=t.chunkSize-BigInt(this.tokenizer.position-r);i>0&&(l(`After Parsing sound-property-chunk ${t.chunkSize}, remaining ${i} bytes`),await this.tokenizer.ignore(Number(i))),e-=BigInt(u.ChunkHeader64.len)+t.chunkSize,l(`Parsing sound-property-chunks, remainingSize=${e}`)}if(this.metadata.format.lossless&&this.metadata.format.sampleRate&&this.metadata.format.numberOfChannels&&this.metadata.format.bitsPerSample){const e=this.metadata.format.sampleRate*this.metadata.format.numberOfChannels*this.metadata.format.bitsPerSample;this.metadata.setFormat("bitrate",e)}}async handleChannelChunks(e){l(`Parsing channel-chunks, remainingSize=${e}`);const t=[];for(;e>=s.FourCcToken.len;){const r=await this.tokenizer.readToken(s.FourCcToken);l(`Channel[ID=${r}]`),t.push(r),e-=BigInt(s.FourCcToken.len)}return l(`Channels: ${t.join(", ")}`),t}}t.DsdiffParser=d},9187:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.ChunkHeader64=void 0;const a=r(3416),i=r(8049);t.ChunkHeader64={len:12,get:(e,t)=>({chunkID:i.FourCcToken.get(e,t),chunkSize:a.INT64_BE.get(e,t+4)})}},4101:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.FormatChunk=t.ChannelType=t.DsdChunk=t.ChunkHeader=void 0;const a=r(3416),i=r(8049);var n;t.ChunkHeader={len:12,get:(e,t)=>({id:i.FourCcToken.get(e,t),size:a.UINT64_LE.get(e,t+4)})},t.DsdChunk={len:16,get:(e,t)=>({fileSize:a.INT64_LE.get(e,t),metadataPointer:a.INT64_LE.get(e,t+8)})},(n=t.ChannelType||(t.ChannelType={}))[n.mono=1]="mono",n[n.stereo=2]="stereo",n[n.channels=3]="channels",n[n.quad=4]="quad",n[n["4 channels"]=5]="4 channels",n[n["5 channels"]=6]="5 channels",n[n["5.1 channels"]=7]="5.1 channels",t.FormatChunk={len:40,get:(e,t)=>({formatVersion:a.INT32_LE.get(e,t),formatID:a.INT32_LE.get(e,t+4),channelType:a.INT32_LE.get(e,t+8),channelNum:a.INT32_LE.get(e,t+12),samplingFrequency:a.INT32_LE.get(e,t+16),bitsPerSample:a.INT32_LE.get(e,t+20),sampleCount:a.INT64_LE.get(e,t+24),blockSizePerChannel:a.INT32_LE.get(e,t+32)})}},1533:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.DsfParser=void 0;const a=r(1227),i=r(5159),n=r(4101),s=r(8928),o=(0,a.default)("music-metadata:parser:DSF");class c extends i.AbstractID3Parser{async postId3v2Parse(){const e=this.tokenizer.position,t=await this.tokenizer.readToken(n.ChunkHeader);if("DSD "!==t.id)throw new Error("Invalid chunk signature");this.metadata.setFormat("container","DSF"),this.metadata.setFormat("lossless",!0);const r=await this.tokenizer.readToken(n.DsdChunk);if(r.metadataPointer!==BigInt(0))return o(`expect ID3v2 at offset=${r.metadataPointer}`),await this.parseChunks(r.fileSize-t.size),await this.tokenizer.ignore(Number(r.metadataPointer)-this.tokenizer.position-e),(new s.ID3v2Parser).parse(this.metadata,this.tokenizer,this.options);o("No ID3v2 tag present")}async parseChunks(e){for(;e>=n.ChunkHeader.len;){const t=await this.tokenizer.readToken(n.ChunkHeader);if(o(`Parsing chunk name=${t.id} size=${t.size}`),"fmt "===t.id){const e=await this.tokenizer.readToken(n.FormatChunk);this.metadata.setFormat("numberOfChannels",e.channelNum),this.metadata.setFormat("sampleRate",e.samplingFrequency),this.metadata.setFormat("bitsPerSample",e.bitsPerSample),this.metadata.setFormat("numberOfSamples",e.sampleCount),this.metadata.setFormat("duration",Number(e.sampleCount)/e.samplingFrequency);const t=e.bitsPerSample*e.samplingFrequency*e.channelNum;return void this.metadata.setFormat("bitrate",t)}this.tokenizer.ignore(Number(t.size)-n.ChunkHeader.len),e-=t.size}}}t.DsfParser=c},498:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.FlacParser=void 0;const a=r(3416),i=r(1227),n=r(3769),s=r(2127),o=r(5159),c=r(8049),u=r(4210),l=r(441),d=(0,i.default)("music-metadata:parser:FLAC");var f;!function(e){e[e.STREAMINFO=0]="STREAMINFO",e[e.PADDING=1]="PADDING",e[e.APPLICATION=2]="APPLICATION",e[e.SEEKTABLE=3]="SEEKTABLE",e[e.VORBIS_COMMENT=4]="VORBIS_COMMENT",e[e.CUESHEET=5]="CUESHEET",e[e.PICTURE=6]="PICTURE"}(f||(f={}));class p extends o.AbstractID3Parser{constructor(){super(...arguments),this.padding=0}init(e,t,r){return super.init(e,t,r),this.vorbisParser=new u.VorbisParser(e,r),this}async postId3v2Parse(){if("fLaC"!==(await this.tokenizer.readToken(c.FourCcToken)).toString())throw new Error("Invalid FLAC preamble");let e;do{e=await this.tokenizer.readToken(m.BlockHeader),await this.parseDataBlock(e)}while(!e.lastBlock);if(this.tokenizer.fileInfo.size&&this.metadata.format.duration){const e=this.tokenizer.fileInfo.size-this.tokenizer.position;this.metadata.setFormat("bitrate",8*e/this.metadata.format.duration)}}parseDataBlock(e){switch(d(`blockHeader type=${e.type}, length=${e.length}`),e.type){case f.STREAMINFO:return this.parseBlockStreamInfo(e.length);case f.PADDING:this.padding+=e.length;break;case f.APPLICATION:case f.SEEKTABLE:break;case f.VORBIS_COMMENT:return this.parseComment(e.length);case f.CUESHEET:break;case f.PICTURE:return this.parsePicture(e.length).then();default:this.metadata.addWarning("Unknown block type: "+e.type)}return this.tokenizer.ignore(e.length).then()}async parseBlockStreamInfo(e){if(e!==m.BlockStreamInfo.len)throw new Error("Unexpected block-stream-info length");const t=await this.tokenizer.readToken(m.BlockStreamInfo);this.metadata.setFormat("container","FLAC"),this.metadata.setFormat("codec","FLAC"),this.metadata.setFormat("lossless",!0),this.metadata.setFormat("numberOfChannels",t.channels),this.metadata.setFormat("bitsPerSample",t.bitsPerSample),this.metadata.setFormat("sampleRate",t.sampleRate),t.totalSamples>0&&this.metadata.setFormat("duration",t.totalSamples/t.sampleRate)}async parseComment(e){const t=await this.tokenizer.readToken(new a.Uint8ArrayType(e)),r=new l.VorbisDecoder(t,0);r.readStringUtf8();const i=r.readInt32();for(let e=0;e<i;e++){const e=r.parseUserComment();this.vorbisParser.addTag(e.key,e.value)}}async parsePicture(e){if(this.options.skipCovers)return this.tokenizer.ignore(e);{const t=await this.tokenizer.readToken(new s.VorbisPictureToken(e));this.vorbisParser.addTag("METADATA_BLOCK_PICTURE",t)}}}t.FlacParser=p;class m{}m.BlockHeader={len:4,get:(e,t)=>({lastBlock:n.getBit(e,t,7),type:n.getBitAllignedNumber(e,t,1,7),length:a.UINT24_BE.get(e,t+1)})},m.BlockStreamInfo={len:34,get:(e,t)=>({minimumBlockSize:a.UINT16_BE.get(e,t),maximumBlockSize:a.UINT16_BE.get(e,t+2)/1e3,minimumFrameSize:a.UINT24_BE.get(e,t+4),maximumFrameSize:a.UINT24_BE.get(e,t+7),sampleRate:a.UINT24_BE.get(e,t+10)>>4,channels:n.getBitAllignedNumber(e,t+12,4,3)+1,bitsPerSample:n.getBitAllignedNumber(e,t+12,7,5)+1,totalSamples:n.getBitAllignedNumber(e,t+13,4,36),fileMD5:new a.Uint8ArrayType(16).get(e,t+18)})}},2282:(e,t,r)=>{"use strict";var a=r(8764).Buffer;Object.defineProperty(t,"__esModule",{value:!0}),t.hasID3v1Header=t.ID3v1Parser=t.Genres=void 0;const i=r(1227),n=r(3416),s=r(3769),o=r(7805),c=r(6742),u=(0,i.default)("music-metadata:parser:ID3v1");t.Genres=["Blues","Classic Rock","Country","Dance","Disco","Funk","Grunge","Hip-Hop","Jazz","Metal","New Age","Oldies","Other","Pop","R&B","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","Alt. 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 Rap","Top 40","Christian Rap","Pop/Funk","Jungle","Native American","Cabaret","New Wave","Psychedelic","Rave","Showtunes","Trailer","Lo-Fi","Tribal","Acid Punk","Acid Jazz","Polka","Retro","Musical","Rock & Roll","Hard Rock","Folk","Folk/Rock","National Folk","Swing","Fast-Fusion","Bebob","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","Drum & Bass","Club-House","Hardcore","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","Abstract","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"];const l={len:128,get:(e,t)=>{const r=new d(3).get(e,t);return"TAG"===r?{header:r,title:new d(30).get(e,t+3),artist:new d(30).get(e,t+33),album:new d(30).get(e,t+63),year:new d(4).get(e,t+93),comment:new d(28).get(e,t+97),zeroByte:n.UINT8.get(e,t+127),track:n.UINT8.get(e,t+126),genre:n.UINT8.get(e,t+127)}:null}};class d extends n.StringType{constructor(e){super(e,"binary")}get(e,t){let r=super.get(e,t);return r=s.trimRightNull(r),r=r.trim(),r.length>0?r:void 0}}class f extends o.BasicParser{static getGenre(e){if(e<t.Genres.length)return t.Genres[e]}async parse(){if(!this.tokenizer.fileInfo.size)return void u("Skip checking for ID3v1 because the file-size is unknown");if(this.options.apeHeader){this.tokenizer.ignore(this.options.apeHeader.offset-this.tokenizer.position);const e=new c.APEv2Parser;e.init(this.metadata,this.tokenizer,this.options),await e.parseTags(this.options.apeHeader.footer)}const e=this.tokenizer.fileInfo.size-l.len;if(this.tokenizer.position>e)return void u("Already consumed the last 128 bytes");const t=await this.tokenizer.readToken(l,e);if(t){u("ID3v1 header found at: pos=%s",this.tokenizer.fileInfo.size-l.len);for(const e of["title","artist","album","comment","track","year"])t[e]&&""!==t[e]&&this.addTag(e,t[e]);const e=f.getGenre(t.genre);e&&this.addTag("genre",e)}else u("ID3v1 header not found at: pos=%s",this.tokenizer.fileInfo.size-l.len)}addTag(e,t){this.metadata.addTag("ID3v1",e,t)}}t.ID3v1Parser=f,t.hasID3v1Header=async function(e){if(e.fileSize>=128){const t=a.alloc(3);return await e.randomRead(t,0,t.length,e.fileSize-128),"TAG"===t.toString("binary")}return!1}},2939:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.ID3v1TagMapper=void 0;const a=r(9918),i={title:"title",artist:"artist",album:"album",year:"year",comment:"comment",track:"track",genre:"genre"};class n extends a.CommonTagMapper{constructor(){super(["ID3v1"],i)}}t.ID3v1TagMapper=n},5159:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.AbstractID3Parser=void 0;const a=r(5849),i=r(1227),n=r(8281),s=r(8928),o=r(2282),c=r(7805),u=(0,i.default)("music-metadata:parser:ID3");class l extends c.BasicParser{constructor(){super(...arguments),this.id3parser=new s.ID3v2Parser}static async startsWithID3v2Header(e){return"ID3"===(await e.peekToken(n.ID3v2Header)).fileIdentifier}async parse(){try{await this.parseID3v2()}catch(e){if(!(e instanceof a.EndOfStreamError))throw e;u("End-of-stream")}}finalize(){}async parseID3v2(){if(await this.tryReadId3v2Headers(),u("End of ID3v2 header, go to MPEG-parser: pos=%s",this.tokenizer.position),await this.postId3v2Parse(),this.options.skipPostHeaders&&this.metadata.hasAny())this.finalize();else{const e=new o.ID3v1Parser;await e.init(this.metadata,this.tokenizer,this.options).parse(),this.finalize()}}async tryReadId3v2Headers(){if("ID3"===(await this.tokenizer.peekToken(n.ID3v2Header)).fileIdentifier)return u("Found ID3v2 header, pos=%s",this.tokenizer.position),await this.id3parser.parse(this.metadata,this.tokenizer,this.options),this.tryReadId3v2Headers()}}t.AbstractID3Parser=l},907:(e,t,r)=>{"use strict";var a=r(8764).Buffer;Object.defineProperty(t,"__esModule",{value:!0}),t.FrameParser=t.parseGenre=void 0;const i=r(1227),n=r(3416),s=r(3769),o=r(8281),c=r(2282),u=(0,i.default)("music-metadata:id3v2:frame-parser"),l="latin1";function d(e){const t=[];let r,a="";for(const i of e)if("string"==typeof r)if("("===i&&""===r)a+="(",r=void 0;else if(")"===i){""!==a&&(t.push(a),a="");const e=f(r);e&&t.push(e),r=void 0}else r+=i;else"("===i?r="":a+=i;return a&&(0===t.length&&a.match(/^\d*$/)&&(a=c.Genres[a]),t.push(a)),t}function f(e){return"RX"===e?"Remix":"CR"===e?"Cover":e.match(/^\d*$/)?c.Genres[e]:void 0}t.parseGenre=d;class p{constructor(e,t){this.major=e,this.warningCollector=t}readData(e,t,r){if(0===e.length)return void this.warningCollector.addWarning(`id3v2.${this.major} header has empty tag type=${t}`);const{encoding:i,bom:c}=o.TextEncodingToken.get(e,0),f=e.length;let m=0,h=[];const g=p.getNullTerminatorLength(i);let y;const b={};switch(u(`Parsing tag type=${t}, encoding=${i}, bom=${c}`),"TXXX"!==t&&"T"===t[0]?"T*":t){case"T*":case"IPLS":case"MVIN":case"MVNM":case"PCS":case"PCST":let c;try{c=s.decodeString(e.slice(1),i).replace(/\x00+$/,"")}catch(e){this.warningCollector.addWarning(`id3v2.${this.major} type=${t} header has invalid string value: ${e.message}`)}switch(t){case"TMCL":case"TIPL":case"IPLS":h=this.splitValue(t,c),h=p.functionList(h);break;case"TRK":case"TRCK":case"TPOS":h=c;break;case"TCOM":case"TEXT":case"TOLY":case"TOPE":case"TPE1":case"TSRC":h=this.splitValue(t,c);break;case"TCO":case"TCON":h=this.splitValue(t,c).map((e=>d(e))).reduce(((e,t)=>e.concat(t)),[]);break;case"PCS":case"PCST":h=this.major>=4?this.splitValue(t,c):[c],h=Array.isArray(h)&&""===h[0]?1:0;break;default:h=this.major>=4?this.splitValue(t,c):[c]}break;case"TXXX":h=p.readIdentifierAndData(e,m+1,f,i),h={description:h.id,text:this.splitValue(t,s.decodeString(h.data,i).replace(/\x00+$/,""))};break;case"PIC":case"APIC":if(r){const t={};switch(m+=1,this.major){case 2:t.format=s.decodeString(e.slice(m,m+3),"latin1"),m+=3;break;case 3:case 4:y=s.findZero(e,m,f,l),t.format=s.decodeString(e.slice(m,y),l),m=y+1;break;default:throw new Error("Warning: unexpected major versionIndex: "+this.major)}t.format=p.fixPictureMimeType(t.format),t.type=o.AttachedPictureType[e[m]],m+=1,y=s.findZero(e,m,f,i),t.description=s.decodeString(e.slice(m,y),i),m=y+g,t.data=a.from(e.slice(m,f)),h=t}break;case"CNT":case"PCNT":h=n.UINT32_BE.get(e,0);break;case"SYLT":for(m+=7,h=[];m<f;){const t=e.slice(m,m=s.findZero(e,m,f,i));m+=5,h.push(s.decodeString(t,i))}break;case"ULT":case"USLT":case"COM":case"COMM":m+=1,b.language=s.decodeString(e.slice(m,m+3),l),m+=3,y=s.findZero(e,m,f,i),b.description=s.decodeString(e.slice(m,y),i),m=y+g,b.text=s.decodeString(e.slice(m,f),i).replace(/\x00+$/,""),h=[b];break;case"UFID":h=p.readIdentifierAndData(e,m,f,l),h={owner_identifier:h.id,identifier:h.data};break;case"PRIV":h=p.readIdentifierAndData(e,m,f,l),h={owner_identifier:h.id,data:h.data};break;case"POPM":y=s.findZero(e,m,f,l);const T=s.decodeString(e.slice(m,y),l);m=y+1;const w=f-m;h={email:T,rating:n.UINT8.get(e,m),counter:w>=5?n.UINT32_BE.get(e,m+1):void 0};break;case"GEOB":{y=s.findZero(e,m+1,f,i);const t=s.decodeString(e.slice(m+1,y),l);m=y+1,y=s.findZero(e,m,f-m,i);const r=s.decodeString(e.slice(m,y),l);m=y+1,y=s.findZero(e,m,f-m,i),h={type:t,filename:r,description:s.decodeString(e.slice(m,y),l),data:e.slice(m+1,f)};break}case"WCOM":case"WCOP":case"WOAF":case"WOAR":case"WOAS":case"WORS":case"WPAY":case"WPUB":h=s.decodeString(e.slice(m,y),l);break;case"WXXX":{y=s.findZero(e,m+1,f,i);const t=s.decodeString(e.slice(m+1,y),i);m=y+("utf16le"===i?2:1),h={description:t,url:s.decodeString(e.slice(m,f),l)};break}case"WFD":case"WFED":h=s.decodeString(e.slice(m+1,s.findZero(e,m+1,f,i)),i);break;case"MCDI":h=e.slice(0,f);break;default:u("Warning: unsupported id3v2-tag-type: "+t)}return h}static fixPictureMimeType(e){switch(e=e.toLocaleLowerCase()){case"jpg":return"image/jpeg";case"png":return"image/png"}return e}static functionList(e){const t={};for(let r=0;r+1<e.length;r+=2){const a=e[r+1].split(",");t[e[r]]=t.hasOwnProperty(e[r])?t[e[r]].concat(a):a}return t}splitValue(e,t){let r;return this.major<4?(r=t.split(/\x00/g),r.length>1?this.warningCollector.addWarning(`ID3v2.${this.major} ${e} uses non standard null-separator.`):r=t.split(/\//g)):r=t.split(/\x00/g),p.trimArray(r)}static trimArray(e){return e.map((e=>e.replace(/\x00+$/,"").trim()))}static readIdentifierAndData(e,t,r,a){const i=s.findZero(e,t,r,a),n=s.decodeString(e.slice(t,i),a);return t=i+p.getNullTerminatorLength(a),{id:n,data:e.slice(t,r)}}static getNullTerminatorLength(e){return"utf16le"===e?2:1}}t.FrameParser=p},7183:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.ID3v22TagMapper=t.id3v22TagMap=void 0;const a=r(4132);t.id3v22TagMap={TT2:"title",TP1:"artist",TP2:"albumartist",TAL:"album",TYE:"year",COM:"comment",TRK:"track",TPA:"disk",TCO:"genre",PIC:"picture",TCM:"composer",TOR:"originaldate",TOT:"originalalbum",TXT:"lyricist",TP3:"conductor",TPB:"label",TT1:"grouping",TT3:"subtitle",TLA:"language",TCR:"copyright",WCP:"license",TEN:"encodedby",TSS:"encodersettings",WAR:"website","COM:iTunPGAP":"gapless",PCS:"podcast",TCP:"compilation",TDR:"date",TS2:"albumartistsort",TSA:"albumsort",TSC:"composersort",TSP:"artistsort",TST:"titlesort",WFD:"podcasturl",TBP:"bpm"};class i extends a.CaseInsensitiveTagMap{constructor(){super(["ID3v2.2"],t.id3v22TagMap)}}t.ID3v22TagMapper=i},4005:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.ID3v24TagMapper=void 0;const a=r(9918),i=r(4132),n=r(3769),s={TIT2:"title",TPE1:"artist","TXXX:Artists":"artists",TPE2:"albumartist",TALB:"album",TDRV:"date",TORY:"originalyear",TPOS:"disk",TCON:"genre",APIC:"picture",TCOM:"composer","USLT:description":"lyrics",TSOA:"albumsort",TSOT:"titlesort",TOAL:"originalalbum",TSOP:"artistsort",TSO2:"albumartistsort",TSOC:"composersort",TEXT:"lyricist","TXXX:Writer":"writer",TPE3:"conductor",TPE4:"remixer","IPLS:arranger":"arranger","IPLS:engineer":"engineer","IPLS:producer":"producer","IPLS:DJ-mix":"djmixer","IPLS:mix":"mixer",TPUB:"label",TIT1:"grouping",TIT3:"subtitle",TRCK:"track",TCMP:"compilation",POPM:"rating",TBPM:"bpm",TMED:"media","TXXX:CATALOGNUMBER":"catalognumber","TXXX:MusicBrainz Album Status":"releasestatus","TXXX:MusicBrainz Album Type":"releasetype","TXXX:MusicBrainz Album Release Country":"releasecountry","TXXX:RELEASECOUNTRY":"releasecountry","TXXX:SCRIPT":"script",TLAN:"language",TCOP:"copyright",WCOP:"license",TENC:"encodedby",TSSE:"encodersettings","TXXX:BARCODE":"barcode","TXXX:ISRC":"isrc",TSRC:"isrc","TXXX:ASIN":"asin","TXXX:originalyear":"originalyear","UFID:http://musicbrainz.org":"musicbrainz_recordingid","TXXX:MusicBrainz Release Track Id":"musicbrainz_trackid","TXXX:MusicBrainz Album Id":"musicbrainz_albumid","TXXX:MusicBrainz Artist Id":"musicbrainz_artistid","TXXX:MusicBrainz Album Artist Id":"musicbrainz_albumartistid","TXXX:MusicBrainz Release Group Id":"musicbrainz_releasegroupid","TXXX:MusicBrainz Work Id":"musicbrainz_workid","TXXX:MusicBrainz TRM Id":"musicbrainz_trmid","TXXX:MusicBrainz Disc Id":"musicbrainz_discid","TXXX:ACOUSTID_ID":"acoustid_id","TXXX:Acoustid Id":"acoustid_id","TXXX:Acoustid Fingerprint":"acoustid_fingerprint","TXXX:MusicIP PUID":"musicip_puid","TXXX:MusicMagic Fingerprint":"musicip_fingerprint",WOAR:"website",TDRC:"date",TYER:"year",TDOR:"originaldate","TIPL:arranger":"arranger","TIPL:engineer":"engineer","TIPL:producer":"producer","TIPL:DJ-mix":"djmixer","TIPL:mix":"mixer",TMOO:"mood",SYLT:"lyrics",TSST:"discsubtitle",TKEY:"key",COMM:"comment",TOPE:"originalartist","PRIV:AverageLevel":"averageLevel","PRIV:PeakLevel":"peakLevel","TXXX:DISCOGS_ARTIST_ID":"discogs_artist_id","TXXX:DISCOGS_ARTISTS":"artists","TXXX:DISCOGS_ARTIST_NAME":"artists","TXXX:DISCOGS_ALBUM_ARTISTS":"albumartist","TXXX:DISCOGS_CATALOG":"catalognumber","TXXX:DISCOGS_COUNTRY":"releasecountry","TXXX:DISCOGS_DATE":"originaldate","TXXX:DISCOGS_LABEL":"label","TXXX:DISCOGS_LABEL_ID":"discogs_label_id","TXXX:DISCOGS_MASTER_RELEASE_ID":"discogs_master_release_id","TXXX:DISCOGS_RATING":"discogs_rating","TXXX:DISCOGS_RELEASED":"date","TXXX:DISCOGS_RELEASE_ID":"discogs_release_id","TXXX:DISCOGS_VOTES":"discogs_votes","TXXX:CATALOGID":"catalognumber","TXXX:STYLE":"genre","TXXX:REPLAYGAIN_TRACK_PEAK":"replaygain_track_peak","TXXX:REPLAYGAIN_TRACK_GAIN":"replaygain_track_gain","TXXX:REPLAYGAIN_ALBUM_PEAK":"replaygain_album_peak","TXXX:REPLAYGAIN_ALBUM_GAIN":"replaygain_album_gain","TXXX:MP3GAIN_MINMAX":"replaygain_track_minmax","TXXX:MP3GAIN_ALBUM_MINMAX":"replaygain_album_minmax","TXXX:MP3GAIN_UNDO":"replaygain_undo",MVNM:"movement",MVIN:"movementIndex",PCST:"podcast",TCAT:"category",TDES:"description",TDRL:"date",TGID:"podcastId",TKWD:"keywords",WFED:"podcasturl"};class o extends i.CaseInsensitiveTagMap{static toRating(e){return{source:e.email,rating:e.rating>0?(e.rating-1)/254*a.CommonTagMapper.maxRatingScore:void 0}}constructor(){super(["ID3v2.3","ID3v2.4"],s)}postMap(e,t){switch(e.id){case"UFID":"http://musicbrainz.org"===e.value.owner_identifier&&(e.id+=":"+e.value.owner_identifier,e.value=n.decodeString(e.value.identifier,"latin1"));break;case"PRIV":switch(e.value.owner_identifier){case"AverageLevel":case"PeakValue":e.id+=":"+e.value.owner_identifier,e.value=4===e.value.data.length?e.value.data.readUInt32LE(0):null,null===e.value&&t.addWarning("Failed to parse PRIV:PeakValue");break;default:t.addWarning(`Unknown PRIV owner-identifier: ${e.value.owner_identifier}`)}break;case"COMM":e.value=e.value?e.value.text:null;break;case"POPM":e.value=o.toRating(e.value)}}}t.ID3v24TagMapper=o},8928:(e,t,r)=>{"use strict";var a=r(8764).Buffer;Object.defineProperty(t,"__esModule",{value:!0}),t.ID3v2Parser=void 0;const i=r(3416),n=r(3769),s=r(907),o=r(8281);class c{static removeUnsyncBytes(e){let t=0,r=0;for(;t<e.length-1;)t!==r&&(e[r]=e[t]),t+=255===e[t]&&0===e[t+1]?2:1,r++;return t<e.length&&(e[r++]=e[t]),e.slice(0,r)}static getFrameHeaderLength(e){switch(e){case 2:return 6;case 3:case 4:return 10;default:throw new Error("header versionIndex is incorrect")}}static readFrameFlags(e){return{status:{tag_alter_preservation:n.getBit(e,0,6),file_alter_preservation:n.getBit(e,0,5),read_only:n.getBit(e,0,4)},format:{grouping_identity:n.getBit(e,1,7),compression:n.getBit(e,1,3),encryption:n.getBit(e,1,2),unsynchronisation:n.getBit(e,1,1),data_length_indicator:n.getBit(e,1,0)}}}static readFrameData(e,t,r,a,i){const n=new s.FrameParser(r,i);switch(r){case 2:return n.readData(e,t.id,a);case 3:case 4:return t.flags.format.unsynchronisation&&(e=c.removeUnsyncBytes(e)),t.flags.format.data_length_indicator&&(e=e.slice(4,e.length)),n.readData(e,t.id,a);default:throw new Error("Unexpected majorVer: "+r)}}static makeDescriptionTagName(e,t){return e+(t?":"+t:"")}async parse(e,t,r){this.tokenizer=t,this.metadata=e,this.options=r;const a=await this.tokenizer.readToken(o.ID3v2Header);if("ID3"!==a.fileIdentifier)throw new Error("expected ID3-header file-identifier 'ID3' was not found");return this.id3Header=a,this.headerType="ID3v2."+a.version.major,a.flags.isExtendedHeader?this.parseExtendedHeader():this.parseId3Data(a.size)}async parseExtendedHeader(){const e=await this.tokenizer.readToken(o.ExtendedHeader),t=e.size-o.ExtendedHeader.len;return t>0?this.parseExtendedHeaderData(t,e.size):this.parseId3Data(this.id3Header.size-e.size)}async parseExtendedHeaderData(e,t){return await this.tokenizer.ignore(e),this.parseId3Data(this.id3Header.size-t)}async parseId3Data(e){const t=await this.tokenizer.readToken(new i.Uint8ArrayType(e));for(const e of this.parseMetadata(t))if("TXXX"===e.id){if(e.value)for(const t of e.value.text)this.addTag(c.makeDescriptionTagName(e.id,e.value.description),t)}else if("COM"===e.id)for(const t of e.value)this.addTag(c.makeDescriptionTagName(e.id,t.description),t.text);else if("COMM"===e.id)for(const t of e.value)this.addTag(c.makeDescriptionTagName(e.id,t.description),t);else if(Array.isArray(e.value))for(const t of e.value)this.addTag(e.id,t);else this.addTag(e.id,e.value)}addTag(e,t){this.metadata.addTag(this.headerType,e,t)}parseMetadata(e){let t=0;const r=[];for(;t!==e.length;){const a=c.getFrameHeaderLength(this.id3Header.version.major);if(t+a>e.length){this.metadata.addWarning("Illegal ID3v2 tag length");break}const i=e.slice(t,t+=a),n=this.readFrameHeader(i,this.id3Header.version.major),s=e.slice(t,t+=n.length),o=c.readFrameData(s,n,this.id3Header.version.major,!this.options.skipCovers,this.metadata);o&&r.push({id:n.id,value:o})}return r}readFrameHeader(e,t){let r;switch(t){case 2:r={id:a.from(e.slice(0,3)).toString("ascii"),length:i.UINT24_BE.get(e,3)},r.id.match(/[A-Z0-9]{3}/g)||this.metadata.addWarning(`Invalid ID3v2.${this.id3Header.version.major} frame-header-ID: ${r.id}`);break;case 3:case 4:r={id:a.from(e.slice(0,4)).toString("ascii"),length:(4===t?o.UINT32SYNCSAFE:i.UINT32_BE).get(e,4),flags:c.readFrameFlags(e.slice(8,10))},r.id.match(/[A-Z0-9]{4}/g)||this.metadata.addWarning(`Invalid ID3v2.${this.id3Header.version.major} frame-header-ID: ${r.id}`);break;default:throw new Error("Unexpected majorVer: "+t)}return r}}t.ID3v2Parser=c},8281:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.TextEncodingToken=t.ExtendedHeader=t.ID3v2Header=t.UINT32SYNCSAFE=t.AttachedPictureType=void 0;const a=r(3416),i=r(3769);var n;(n=t.AttachedPictureType||(t.AttachedPictureType={}))[n.Other=0]="Other",n[n["32x32 pixels 'file icon' (PNG only)"]=1]="32x32 pixels 'file icon' (PNG only)",n[n["Other file icon"]=2]="Other file icon",n[n["Cover (front)"]=3]="Cover (front)",n[n["Cover (back)"]=4]="Cover (back)",n[n["Leaflet page"]=5]="Leaflet page",n[n["Media (e.g. label side of CD)"]=6]="Media (e.g. label side of CD)",n[n["Lead artist/lead performer/soloist"]=7]="Lead artist/lead performer/soloist",n[n["Artist/performer"]=8]="Artist/performer",n[n.Conductor=9]="Conductor",n[n["Band/Orchestra"]=10]="Band/Orchestra",n[n.Composer=11]="Composer",n[n["Lyricist/text writer"]=12]="Lyricist/text writer",n[n["Recording Location"]=13]="Recording Location",n[n["During recording"]=14]="During recording",n[n["During performance"]=15]="During performance",n[n["Movie/video screen capture"]=16]="Movie/video screen capture",n[n["A bright coloured fish"]=17]="A bright coloured fish",n[n.Illustration=18]="Illustration",n[n["Band/artist logotype"]=19]="Band/artist logotype",n[n["Publisher/Studio logotype"]=20]="Publisher/Studio logotype",t.UINT32SYNCSAFE={get:(e,t)=>127&e[t+3]|e[t+2]<<7|e[t+1]<<14|e[t]<<21,len:4},t.ID3v2Header={len:10,get:(e,r)=>({fileIdentifier:new a.StringType(3,"ascii").get(e,r),version:{major:a.INT8.get(e,r+3),revision:a.INT8.get(e,r+4)},flags:{unsynchronisation:i.getBit(e,r+5,7),isExtendedHeader:i.getBit(e,r+5,6),expIndicator:i.getBit(e,r+5,5),footer:i.getBit(e,r+5,4)},size:t.UINT32SYNCSAFE.get(e,r+6)})},t.ExtendedHeader={len:10,get:(e,t)=>({size:a.UINT32_BE.get(e,t),extendedFlags:a.UINT16_BE.get(e,t+4),sizeOfPadding:a.UINT32_BE.get(e,t+6),crcDataPresent:i.getBit(e,t+4,31)})},t.TextEncodingToken={len:1,get:(e,t)=>{switch(e[t]){case 0:return{encoding:"latin1"};case 1:return{encoding:"utf16le",bom:!0};case 2:return{encoding:"utf16le",bom:!1};default:return{encoding:"utf8",bom:!1}}}}},4633:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.Header=void 0;const a=r(3416),i=r(8049);t.Header={len:8,get:(e,t)=>({chunkID:i.FourCcToken.get(e,t),chunkSize:Number(BigInt(a.UINT32_BE.get(e,t+4)))})}},9941:(e,t,r)=>{"use strict";var a=r(8764).Buffer;Object.defineProperty(t,"__esModule",{value:!0}),t.getLyricsHeaderLength=t.endTag2=void 0,t.endTag2="LYRICS200",t.getLyricsHeaderLength=async function(e){if(e.fileSize>=143){const r=a.alloc(15);await e.randomRead(r,0,r.length,e.fileSize-143);const i=r.toString("binary");if(i.substr(6)===t.endTag2)return parseInt(i.substr(0,6),10)+15}return 0}},3121:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.elements=void 0;const a=r(8591);t.elements={440786851:{name:"ebml",container:{17030:{name:"ebmlVersion",value:a.DataType.uint},17143:{name:"ebmlReadVersion",value:a.DataType.uint},17138:{name:"ebmlMaxIDWidth",value:a.DataType.uint},17139:{name:"ebmlMaxSizeWidth",value:a.DataType.uint},17026:{name:"docType",value:a.DataType.string},17031:{name:"docTypeVersion",value:a.DataType.uint},17029:{name:"docTypeReadVersion",value:a.DataType.uint}}},408125543:{name:"segment",container:{290298740:{name:"seekHead",container:{19899:{name:"seek",container:{21419:{name:"seekId",value:a.DataType.binary},21420:{name:"seekPosition",value:a.DataType.uint}}}}},357149030:{name:"info",container:{29604:{name:"uid",value:a.DataType.uid},29572:{name:"filename",value:a.DataType.string},3979555:{name:"prevUID",value:a.DataType.uid},3965867:{name:"prevFilename",value:a.DataType.string},4110627:{name:"nextUID",value:a.DataType.uid},4096955:{name:"nextFilename",value:a.DataType.string},2807729:{name:"timecodeScale",value:a.DataType.uint},17545:{name:"duration",value:a.DataType.float},17505:{name:"dateUTC",value:a.DataType.uint},31657:{name:"title",value:a.DataType.string},19840:{name:"muxingApp",value:a.DataType.string},22337:{name:"writingApp",value:a.DataType.string}}},524531317:{name:"cluster",multiple:!0,container:{231:{name:"timecode",value:a.DataType.uid},163:{name:"unknown",value:a.DataType.binary},167:{name:"position",value:a.DataType.uid},171:{name:"prevSize",value:a.DataType.uid}}},374648427:{name:"tracks",container:{174:{name:"entries",multiple:!0,container:{215:{name:"trackNumber",value:a.DataType.uint},29637:{name:"uid",value:a.DataType.uid},131:{name:"trackType",value:a.DataType.uint},185:{name:"flagEnabled",value:a.DataType.bool},136:{name:"flagDefault",value:a.DataType.bool},21930:{name:"flagForced",value:a.DataType.bool},156:{name:"flagLacing",value:a.DataType.bool},28135:{name:"minCache",value:a.DataType.uint},28136:{name:"maxCache",value:a.DataType.uint},2352003:{name:"defaultDuration",value:a.DataType.uint},2306383:{name:"timecodeScale",value:a.DataType.float},21358:{name:"name",value:a.DataType.string},2274716:{name:"language",value:a.DataType.string},134:{name:"codecID",value:a.DataType.string},25506:{name:"codecPrivate",value:a.DataType.binary},2459272:{name:"codecName",value:a.DataType.string},3839639:{name:"codecSettings",value:a.DataType.string},3883072:{name:"codecInfoUrl",value:a.DataType.string},2536e3:{name:"codecDownloadUrl",value:a.DataType.string},170:{name:"codecDecodeAll",value:a.DataType.bool},28587:{name:"trackOverlay",value:a.DataType.uint},224:{name:"video",container:{154:{name:"flagInterlaced",value:a.DataType.bool},21432:{name:"stereoMode",value:a.DataType.uint},176:{name:"pixelWidth",value:a.DataType.uint},186:{name:"pixelHeight",value:a.DataType.uint},21680:{name:"displayWidth",value:a.DataType.uint},21690:{name:"displayHeight",value:a.DataType.uint},21683:{name:"aspectRatioType",value:a.DataType.uint},3061028:{name:"colourSpace",value:a.DataType.uint},3126563:{name:"gammaValue",value:a.DataType.float}}},225:{name:"audio",container:{181:{name:"samplingFrequency",value:a.DataType.float},30901:{name:"outputSamplingFrequency",value:a.DataType.float},159:{name:"channels",value:a.DataType.uint},148:{name:"channels",value:a.DataType.uint},32123:{name:"channelPositions",value:a.DataType.binary},25188:{name:"bitDepth",value:a.DataType.uint}}},28032:{name:"contentEncodings",container:{25152:{name:"contentEncoding",container:{20529:{name:"order",value:a.DataType.uint},20530:{name:"scope",value:a.DataType.bool},20531:{name:"type",value:a.DataType.uint},20532:{name:"contentEncoding",container:{16980:{name:"contentCompAlgo",value:a.DataType.uint},16981:{name:"contentCompSettings",value:a.DataType.binary}}},20533:{name:"contentEncoding",container:{18401:{name:"contentEncAlgo",value:a.DataType.uint},18402:{name:"contentEncKeyID",value:a.DataType.binary},18403:{name:"contentSignature ",value:a.DataType.binary},18404:{name:"ContentSigKeyID  ",value:a.DataType.binary},18405:{name:"contentSigAlgo ",value:a.DataType.uint},18406:{name:"contentSigHashAlgo ",value:a.DataType.uint}}},25188:{name:"bitDepth",value:a.DataType.uint}}}}}}}}},475249515:{name:"cues",container:{187:{name:"cuePoint",container:{179:{name:"cueTime",value:a.DataType.uid},183:{name:"positions",container:{247:{name:"track",value:a.DataType.uint},241:{name:"clusterPosition",value:a.DataType.uint},21368:{name:"blockNumber",value:a.DataType.uint},234:{name:"codecState",value:a.DataType.uint},219:{name:"reference",container:{150:{name:"time",value:a.DataType.uint},151:{name:"cluster",value:a.DataType.uint},21343:{name:"number",value:a.DataType.uint},235:{name:"codecState",value:a.DataType.uint}}},240:{name:"relativePosition",value:a.DataType.uint}}}}}}},423732329:{name:"attachments",container:{24999:{name:"attachedFiles",multiple:!0,container:{18046:{name:"description",value:a.DataType.string},18030:{name:"name",value:a.DataType.string},18016:{name:"mimeType",value:a.DataType.string},18012:{name:"data",value:a.DataType.binary},18094:{name:"uid",value:a.DataType.uid}}}}},272869232:{name:"chapters",container:{17849:{name:"editionEntry",container:{182:{name:"chapterAtom",container:{29636:{name:"uid",value:a.DataType.uid},145:{name:"timeStart",value:a.DataType.uint},146:{name:"timeEnd",value:a.DataType.uid},152:{name:"hidden",value:a.DataType.bool},17816:{name:"enabled",value:a.DataType.uid},143:{name:"track",container:{137:{name:"trackNumber",value:a.DataType.uid},128:{name:"display",container:{133:{name:"string",value:a.DataType.string},17276:{name:"language ",value:a.DataType.string},17278:{name:"country ",value:a.DataType.string}}}}}}}}}}},307544935:{name:"tags",container:{29555:{name:"tag",multiple:!0,container:{25536:{name:"target",container:{25541:{name:"tagTrackUID",value:a.DataType.uid},25540:{name:"tagChapterUID",value:a.DataType.uint},25542:{name:"tagAttachmentUID",value:a.DataType.uid},25546:{name:"targetType",value:a.DataType.string},26826:{name:"targetTypeValue",value:a.DataType.uint},25545:{name:"tagEditionUID",value:a.DataType.uid}}},26568:{name:"simpleTags",multiple:!0,container:{17827:{name:"name",value:a.DataType.string},17543:{name:"string",value:a.DataType.string},17541:{name:"binary",value:a.DataType.binary},17530:{name:"language",value:a.DataType.string},17531:{name:"languageIETF",value:a.DataType.string},17540:{name:"default",value:a.DataType.bool}}}}}}}}}}},78:(e,t,r)=>{"use strict";var a=r(8764).Buffer;Object.defineProperty(t,"__esModule",{value:!0}),t.MatroskaParser=void 0;const i=r(3416),n=r(1227),s=r(7805),o=r(8591),c=r(3121),u=(0,n.default)("music-metadata:parser:matroska");class l extends s.BasicParser{constructor(){super(),this.padding=0,this.parserMap=new Map,this.ebmlMaxIDLength=4,this.ebmlMaxSizeLength=8,this.parserMap.set(o.DataType.uint,(e=>this.readUint(e))),this.parserMap.set(o.DataType.string,(e=>this.readString(e))),this.parserMap.set(o.DataType.binary,(e=>this.readBuffer(e))),this.parserMap.set(o.DataType.uid,(async e=>1===await this.readUint(e))),this.parserMap.set(o.DataType.bool,(e=>this.readFlag(e))),this.parserMap.set(o.DataType.float,(e=>this.readFloat(e)))}init(e,t,r){return super.init(e,t,r),this}async parse(){const e=await this.parseContainer(c.elements,this.tokenizer.fileInfo.size,[]);if(this.metadata.setFormat("container",`EBML/${e.ebml.docType}`),e.segment){const t=e.segment.info;if(t){const e=t.timecodeScale?t.timecodeScale:1e6,r=t.duration*e/1e9;this.addTag("segment:title",t.title),this.metadata.setFormat("duration",r)}const r=e.segment.tracks;if(r&&r.entries){r.entries.forEach((e=>{const t={codecName:e.codecID.replace("A_","").replace("V_",""),codecSettings:e.codecSettings,flagDefault:e.flagDefault,flagLacing:e.flagLacing,flagEnabled:e.flagEnabled,language:e.language,name:e.name,type:e.trackType,audio:e.audio,video:e.video};this.metadata.addStreamInfo(t)}));const t=r.entries.filter((e=>e.trackType===o.TrackType.audio.valueOf())).reduce(((e,t)=>e?!e.flagDefault&&t.flagDefault||t.trackNumber&&t.trackNumber<e.trackNumber?t:e:t),null);t&&(this.metadata.setFormat("codec",t.codecID.replace("A_","")),this.metadata.setFormat("sampleRate",t.audio.samplingFrequency),this.metadata.setFormat("numberOfChannels",t.audio.channels)),e.segment.tags&&e.segment.tags.tag.forEach((e=>{const t=e.target,r=(null==t?void 0:t.targetTypeValue)?o.TargetType[t.targetTypeValue]:(null==t?void 0:t.targetType)?t.targetType:"track";e.simpleTags.forEach((e=>{const t=e.string?e.string:e.binary;this.addTag(`${r}:${e.name}`,t)}))})),e.segment.attachments&&e.segment.attachments.attachedFiles.filter((e=>e.mimeType.startsWith("image/"))).map((e=>({data:e.data,format:e.mimeType,description:e.description,name:e.name}))).forEach((e=>{this.addTag("picture",e)}))}}}async parseContainer(e,t,r){const a={};for(;this.tokenizer.position<t;){let t;try{t=await this.readElement()}catch(e){if("End-Of-Stream"===e.message)break;throw e}const i=e[t.id];if(i)if(u(`Element: name=${i.name}, container=${!!i.container}`),i.container){const e=await this.parseContainer(i.container,t.len>=0?this.tokenizer.position+t.len:-1,r.concat([i.name]));i.multiple?(a[i.name]||(a[i.name]=[]),a[i.name].push(e)):a[i.name]=e}else a[i.name]=await this.parserMap.get(i.value)(t);else 236===t.id?(this.padding+=t.len,await this.tokenizer.ignore(t.len)):(u(`parseEbml: path=${r.join("/")}, unknown element: id=${t.id.toString(16)}`),this.padding+=t.len,await this.tokenizer.ignore(t.len))}return a}async readVintData(e){const t=await this.tokenizer.peekNumber(i.UINT8);let r=128,n=1;for(;!(t&r);){if(n>e)throw new Error("VINT value exceeding maximum size");++n,r>>=1}const s=a.alloc(n);return await this.tokenizer.readBuffer(s),s}async readElement(){const e=await this.readVintData(this.ebmlMaxIDLength),t=await this.readVintData(this.ebmlMaxSizeLength);t[0]^=128>>t.length-1;const r=Math.min(6,t.length);return{id:e.readUIntBE(0,e.length),len:t.readUIntBE(t.length-r,r)}}isMaxValue(e){if(e.length===this.ebmlMaxSizeLength){for(let t=1;t<this.ebmlMaxSizeLength;++t)if(255!==e[t])return!1;return!0}return!1}async readFloat(e){switch(e.len){case 0:return 0;case 4:return this.tokenizer.readNumber(i.Float32_BE);case 8:case 10:return this.tokenizer.readNumber(i.Float64_BE);default:throw new Error(`Invalid IEEE-754 float length: ${e.len}`)}}async readFlag(e){return 1===await this.readUint(e)}async readUint(e){const t=await this.readBuffer(e),r=Math.min(6,e.len);return t.readUIntBE(e.len-r,r)}async readString(e){return(await this.tokenizer.readToken(new i.StringType(e.len,"utf-8"))).replace(/\00.*$/g,"")}async readBuffer(e){const t=a.alloc(e.len);return await this.tokenizer.readBuffer(t),t}addTag(e,t){this.metadata.addTag("matroska",e,t)}}t.MatroskaParser=l},5481:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.MatroskaTagMapper=void 0;const a=r(4132),i={"segment:title":"title","album:ARTIST":"albumartist","album:ARTISTSORT":"albumartistsort","album:TITLE":"album","album:DATE_RECORDED":"originaldate","album:PART_NUMBER":"disk","album:TOTAL_PARTS":"totaltracks","track:ARTIST":"artist","track:ARTISTSORT":"artistsort","track:TITLE":"title","track:PART_NUMBER":"track","track:MUSICBRAINZ_TRACKID":"musicbrainz_recordingid","track:MUSICBRAINZ_ALBUMID":"musicbrainz_albumid","track:MUSICBRAINZ_ARTISTID":"musicbrainz_artistid","track:PUBLISHER":"label","track:GENRE":"genre","track:ENCODER":"encodedby","track:ENCODER_OPTIONS":"encodersettings","edition:TOTAL_PARTS":"totaldiscs",picture:"picture"};class n extends a.CaseInsensitiveTagMap{constructor(){super(["matroska"],i)}}t.MatroskaTagMapper=n},8591:(e,t)=>{"use strict";var r,a,i;Object.defineProperty(t,"__esModule",{value:!0}),t.TrackType=t.TargetType=t.DataType=void 0,(i=t.DataType||(t.DataType={}))[i.string=0]="string",i[i.uint=1]="uint",i[i.uid=2]="uid",i[i.bool=3]="bool",i[i.binary=4]="binary",i[i.float=5]="float",(a=t.TargetType||(t.TargetType={}))[a.shot=10]="shot",a[a.scene=20]="scene",a[a.track=30]="track",a[a.part=40]="part",a[a.album=50]="album",a[a.edition=60]="edition",a[a.collection=70]="collection",(r=t.TrackType||(t.TrackType={}))[r.video=1]="video",r[r.audio=2]="audio",r[r.complex=3]="complex",r[r.logo=4]="logo",r[r.subtitle=17]="subtitle",r[r.button=18]="button",r[r.control=32]="control"},9134:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.Atom=void 0;const a=r(1227),i=r(1060),n=(0,a.default)("music-metadata:parser:MP4:Atom");class s{constructor(e,t,r){this.header=e,this.extended=t,this.parent=r,this.children=[],this.atomPath=(this.parent?this.parent.atomPath+".":"")+this.header.name}static async readAtom(e,t,r,a){const o=e.position,c=await e.readToken(i.Header);c.length===BigInt(1)&&(c.length=await e.readToken(i.ExtendedSize));const u=new s(c,c.length===BigInt(1),r),l=u.getPayloadLength(a);return n(`parse atom name=${u.atomPath}, extended=${u.extended}, offset=${o}, len=${u.header.length}`),await u.readData(e,t,l),u}getHeaderLength(){return this.extended?16:8}getPayloadLength(e){return(this.header.length===BigInt(0)?e:Number(this.header.length))-this.getHeaderLength()}async readAtoms(e,t,r){for(;r>0;){const a=await s.readAtom(e,t,this,r);this.children.push(a),r-=a.header.length===BigInt(0)?r:Number(a.header.length)}}async readData(e,t,r){switch(this.header.name){case"moov":case"udta":case"trak":case"mdia":case"minf":case"stbl":case"<id>":case"ilst":case"tref":return this.readAtoms(e,t,this.getPayloadLength(r));case"meta":return await e.ignore(4),this.readAtoms(e,t,this.getPayloadLength(r)-4);default:return t(this,r)}}}t.Atom=s},1060:(e,t,r)=>{"use strict";var a=r(8764).Buffer;Object.defineProperty(t,"__esModule",{value:!0}),t.ChapterText=t.StcoAtom=t.StszAtom=t.StscAtom=t.SampleToChunkToken=t.SttsAtom=t.TimeToSampleToken=t.SoundSampleDescriptionV0=t.SoundSampleDescriptionVersion=t.StsdAtom=t.TrackHeaderAtom=t.NameAtom=t.DataAtom=t.MvhdAtom=t.MdhdAtom=t.FixedLengthAtom=t.mhdr=t.tkhd=t.ftyp=t.ExtendedSize=t.Header=void 0;const i=r(3416),n=r(1227),s=r(8049),o=(0,n.default)("music-metadata:parser:MP4:atom");t.Header={len:8,get:(e,t)=>{const r=i.UINT32_BE.get(e,t);if(r<0)throw new Error("Invalid atom header length");return{length:BigInt(r),name:new i.StringType(4,"binary").get(e,t+4)}},put:(e,t,r)=>(i.UINT32_BE.put(e,t,Number(r.length)),s.FourCcToken.put(e,t+4,r.name))},t.ExtendedSize=i.UINT64_BE,t.ftyp={len:4,get:(e,t)=>({type:new i.StringType(4,"ascii").get(e,t)})},t.tkhd={len:4,get:(e,t)=>({type:new i.StringType(4,"ascii").get(e,t)})},t.mhdr={len:8,get:(e,t)=>({version:i.UINT8.get(e,t),flags:i.UINT24_BE.get(e,t+1),nextItemID:i.UINT32_BE.get(e,t+4)})};class c{constructor(e,t,r){if(this.len=e,e<t)throw new Error(`Atom ${r} expected to be ${t}, but specifies ${e} bytes long.`);e>t&&o(`Warning: atom ${r} expected to be ${t}, but was actually ${e} bytes long.`)}}t.FixedLengthAtom=c;const u=(e,t)=>{const r=i.UINT32_BE.get(e,t)-2082844800;return new Date(1e3*r)};t.MdhdAtom=class extends c{constructor(e){super(e,24,"mdhd"),this.len=e}get(e,t){return{version:i.UINT8.get(e,t+0),flags:i.UINT24_BE.get(e,t+1),creationTime:u(e,t+4),modificationTime:u(e,t+8),timeScale:i.UINT32_BE.get(e,t+12),duration:i.UINT32_BE.get(e,t+16),language:i.UINT16_BE.get(e,t+20),quality:i.UINT16_BE.get(e,t+22)}}},t.MvhdAtom=class extends c{constructor(e){super(e,100,"mvhd"),this.len=e}get(e,t){return{version:i.UINT8.get(e,t),flags:i.UINT24_BE.get(e,t+1),creationTime:u(e,t+4),modificationTime:u(e,t+8),timeScale:i.UINT32_BE.get(e,t+12),duration:i.UINT32_BE.get(e,t+16),preferredRate:i.UINT32_BE.get(e,t+20),preferredVolume:i.UINT16_BE.get(e,t+24),previewTime:i.UINT32_BE.get(e,t+72),previewDuration:i.UINT32_BE.get(e,t+76),posterTime:i.UINT32_BE.get(e,t+80),selectionTime:i.UINT32_BE.get(e,t+84),selectionDuration:i.UINT32_BE.get(e,t+88),currentTime:i.UINT32_BE.get(e,t+92),nextTrackID:i.UINT32_BE.get(e,t+96)}}},t.DataAtom=class{constructor(e){this.len=e}get(e,t){return{type:{set:i.UINT8.get(e,t+0),type:i.UINT24_BE.get(e,t+1)},locale:i.UINT24_BE.get(e,t+4),value:a.from(new i.Uint8ArrayType(this.len-8).get(e,t+8))}}},t.NameAtom=class{constructor(e){this.len=e}get(e,t){return{version:i.UINT8.get(e,t),flags:i.UINT24_BE.get(e,t+1),name:new i.StringType(this.len-4,"utf-8").get(e,t+4)}}},t.TrackHeaderAtom=class{constructor(e){this.len=e}get(e,t){return{version:i.UINT8.get(e,t),flags:i.UINT24_BE.get(e,t+1),creationTime:u(e,t+4),modificationTime:u(e,t+8),trackId:i.UINT32_BE.get(e,t+12),duration:i.UINT32_BE.get(e,t+20),layer:i.UINT16_BE.get(e,t+24),alternateGroup:i.UINT16_BE.get(e,t+26),volume:i.UINT16_BE.get(e,t+28)}}};class l{constructor(e){this.len=e}get(e,t){return{dataFormat:s.FourCcToken.get(e,t),dataReferenceIndex:i.UINT16_BE.get(e,t+10),description:new i.Uint8ArrayType(this.len-12).get(e,t+12)}}}t.StsdAtom=class{constructor(e){this.len=e}get(e,t){const r=((e,t)=>({version:i.UINT8.get(e,t),flags:i.UINT24_BE.get(e,t+1),numberOfEntries:i.UINT32_BE.get(e,t+4)}))(e,t);t+=8;const a=[];for(let n=0;n<r.numberOfEntries;++n){const r=i.UINT32_BE.get(e,t);t+=i.UINT32_BE.len,a.push(new l(r).get(e,t)),t+=r}return{header:r,table:a}}},t.SoundSampleDescriptionVersion={len:8,get:(e,t)=>({version:i.INT16_BE.get(e,t),revision:i.INT16_BE.get(e,t+2),vendor:i.INT32_BE.get(e,t+4)})},t.SoundSampleDescriptionV0={len:12,get:(e,t)=>({numAudioChannels:i.INT16_BE.get(e,t+0),sampleSize:i.INT16_BE.get(e,t+2),compressionId:i.INT16_BE.get(e,t+4),packetSize:i.INT16_BE.get(e,t+6),sampleRate:i.UINT16_BE.get(e,t+8)+i.UINT16_BE.get(e,t+10)/1e4})};class d{constructor(e,t){this.len=e,this.token=t}get(e,t){const r=i.INT32_BE.get(e,t+4);return{version:i.INT8.get(e,t+0),flags:i.INT24_BE.get(e,t+1),numberOfEntries:r,entries:f(e,this.token,t+8,this.len-8,r)}}}function f(e,t,r,a,i){if(o(`remainingLen=${a}, numberOfEntries=${i} * token-len=${t.len}`),0===a)return[];if(a!==i*t.len)throw new Error("mismatch number-of-entries with remaining atom-length");const n=[];for(let a=0;a<i;++a)n.push(t.get(e,r)),r+=t.len;return n}t.TimeToSampleToken={len:8,get:(e,t)=>({count:i.INT32_BE.get(e,t+0),duration:i.INT32_BE.get(e,t+4)})},t.SttsAtom=class extends d{constructor(e){super(e,t.TimeToSampleToken),this.len=e}},t.SampleToChunkToken={len:12,get:(e,t)=>({firstChunk:i.INT32_BE.get(e,t),samplesPerChunk:i.INT32_BE.get(e,t+4),sampleDescriptionId:i.INT32_BE.get(e,t+8)})},t.StscAtom=class extends d{constructor(e){super(e,t.SampleToChunkToken),this.len=e}},t.StszAtom=class{constructor(e){this.len=e}get(e,t){const r=i.INT32_BE.get(e,t+8);return{version:i.INT8.get(e,t),flags:i.INT24_BE.get(e,t+1),sampleSize:i.INT32_BE.get(e,t+4),numberOfEntries:r,entries:f(e,i.INT32_BE,t+12,this.len-12,r)}}},t.StcoAtom=class extends d{constructor(e){super(e,i.INT32_BE),this.len=e}},t.ChapterText=class{constructor(e){this.len=e}get(e,t){const r=i.INT16_BE.get(e,t+0);return new i.StringType(r,"utf-8").get(e,t+2)}}},8841:(e,t,r)=>{"use strict";var a=r(8764).Buffer;Object.defineProperty(t,"__esModule",{value:!0}),t.MP4Parser=void 0;const i=r(1227),n=r(3416),s=r(7805),o=r(2282),c=r(6032),u=r(9134),l=r(1060),d=(0,i.default)("music-metadata:parser:MP4"),f={raw:{lossy:!1,format:"raw"},MAC3:{lossy:!0,format:"MACE 3:1"},MAC6:{lossy:!0,format:"MACE 6:1"},ima4:{lossy:!0,format:"IMA 4:1"},ulaw:{lossy:!0,format:"uLaw 2:1"},alaw:{lossy:!0,format:"uLaw 2:1"},Qclp:{lossy:!0,format:"QUALCOMM PureVoice"},".mp3":{lossy:!0,format:"MPEG-1 layer 3"},alac:{lossy:!1,format:"ALAC"},"ac-3":{lossy:!0,format:"AC-3"},mp4a:{lossy:!0,format:"MPEG-4/AAC"},mp4s:{lossy:!0,format:"MP4S"},c608:{lossy:!0,format:"CEA-608"},c708:{lossy:!0,format:"CEA-708"}};function p(e,t,r){return r.indexOf(e)===t}class m extends s.BasicParser{constructor(){super(...arguments),this.atomParsers={mvhd:async e=>{const t=await this.tokenizer.readToken(new l.MvhdAtom(e));this.metadata.setFormat("creationTime",t.creationTime),this.metadata.setFormat("modificationTime",t.modificationTime)},mdhd:async e=>{const t=await this.tokenizer.readToken(new l.MdhdAtom(e)),r=this.getTrackDescription();r.creationTime=t.creationTime,r.modificationTime=t.modificationTime,r.timeScale=t.timeScale,r.duration=t.duration},chap:async e=>{const t=this.getTrackDescription(),r=[];for(;e>=n.UINT32_BE.len;)r.push(await this.tokenizer.readNumber(n.UINT32_BE)),e-=n.UINT32_BE.len;t.chapterList=r},tkhd:async e=>{const t=await this.tokenizer.readToken(new l.TrackHeaderAtom(e));this.tracks.push(t)},mdat:async e=>{if(this.audioLengthInBytes=e,this.calculateBitRate(),this.options.includeChapters){const t=this.tracks.filter((e=>e.chapterList));if(1===t.length){const r=t[0].chapterList,a=this.tracks.filter((e=>-1!==r.indexOf(e.trackId)));if(1===a.length)return this.parseChapterTrack(a[0],t[0],e)}}await this.tokenizer.ignore(e)},ftyp:async e=>{const t=[];for(;e>0;){const r=await this.tokenizer.readToken(l.ftyp);e-=l.ftyp.len;const a=r.type.replace(/\W/g,"");a.length>0&&t.push(a)}d(`ftyp: ${t.join("/")}`);const r=t.filter(p).join("/");this.metadata.setFormat("container",r)},stsd:async e=>{const t=await this.tokenizer.readToken(new l.StsdAtom(e));this.getTrackDescription().soundSampleDescription=t.table.map((e=>this.parseSoundSampleDescription(e)))},stsc:async e=>{const t=await this.tokenizer.readToken(new l.StscAtom(e));this.getTrackDescription().sampleToChunkTable=t.entries},stts:async e=>{const t=await this.tokenizer.readToken(new l.SttsAtom(e));this.getTrackDescription().timeToSampleTable=t.entries},stsz:async e=>{const t=await this.tokenizer.readToken(new l.StszAtom(e)),r=this.getTrackDescription();r.sampleSize=t.sampleSize,r.sampleSizeTable=t.entries},stco:async e=>{const t=await this.tokenizer.readToken(new l.StcoAtom(e));this.getTrackDescription().chunkOffsetTable=t.entries},date:async e=>{const t=await this.tokenizer.readToken(new n.StringType(e,"utf-8"));this.addTag("date",t)}}}static read_BE_Integer(e,t){const r=(t?"INT":"UINT")+8*e.length+(e.length>1?"_BE":""),a=n[r];if(!a)throw new Error('Token for integer type not found: "'+r+'"');return Number(a.get(e,0))}async parse(){this.tracks=[];let e=this.tokenizer.fileInfo.size;for(;!this.tokenizer.fileInfo.size||e>0;){try{if("\0\0\0\0"===(await this.tokenizer.peekToken(l.Header)).name){const e=`Error at offset=${this.tokenizer.position}: box.id=0`;d(e),this.addWarning(e);break}}catch(e){const t=`Error at offset=${this.tokenizer.position}: ${e.message}`;d(t),this.addWarning(t);break}const t=await u.Atom.readAtom(this.tokenizer,((e,t)=>this.handleAtom(e,t)),null,e);e-=t.header.length===BigInt(0)?e:Number(t.header.length)}const t=[];this.tracks.forEach((e=>{const r=[];e.soundSampleDescription.forEach((e=>{const t={},a=f[e.dataFormat];if(a?(r.push(a.format),t.codecName=a.format):t.codecName=`<${e.dataFormat}>`,e.description){const{description:r}=e;r.sampleRate>0&&(t.type=c.TrackType.audio,t.audio={samplingFrequency:r.sampleRate,bitDepth:r.sampleSize,channels:r.numAudioChannels})}this.metadata.addStreamInfo(t)})),r.length>=1&&t.push(r.join("/"))})),t.length>0&&this.metadata.setFormat("codec",t.filter(p).join("+"));const r=this.tracks.filter((e=>e.soundSampleDescription.length>=1&&e.soundSampleDescription[0].description&&e.soundSampleDescription[0].description.numAudioChannels>0));if(r.length>=1){const e=r[0],t=e.duration/e.timeScale;this.metadata.setFormat("duration",t);const a=e.soundSampleDescription[0];a.description&&(this.metadata.setFormat("sampleRate",a.description.sampleRate),this.metadata.setFormat("bitsPerSample",a.description.sampleSize),this.metadata.setFormat("numberOfChannels",a.description.numAudioChannels));const i=f[a.dataFormat];i&&this.metadata.setFormat("lossless",!i.lossy),this.calculateBitRate()}}async handleAtom(e,t){if(e.parent)switch(e.parent.header.name){case"ilst":case"<id>":return this.parseMetadataItemData(e)}if(this.atomParsers[e.header.name])return this.atomParsers[e.header.name](t);d(`No parser for atom path=${e.atomPath}, payload-len=${t}, ignoring atom`),await this.tokenizer.ignore(t)}getTrackDescription(){return this.tracks[this.tracks.length-1]}calculateBitRate(){this.audioLengthInBytes&&this.metadata.format.duration&&this.metadata.setFormat("bitrate",8*this.audioLengthInBytes/this.metadata.format.duration)}addTag(e,t){this.metadata.addTag("iTunes",e,t)}addWarning(e){d("Warning: "+e),this.metadata.addWarning(e)}parseMetadataItemData(e){let t=e.header.name;return e.readAtoms(this.tokenizer,(async(e,r)=>{const a=e.getPayloadLength(r);switch(e.header.name){case"data":return this.parseValueAtom(t,e);case"name":const r=await this.tokenizer.readToken(new l.NameAtom(a));t+=":"+r.name;break;case"mean":const i=await this.tokenizer.readToken(new l.NameAtom(a));t+=":"+i.name;break;default:const s=await this.tokenizer.readToken(new n.BufferType(a));this.addWarning("Unsupported meta-item: "+t+"["+e.header.name+"] => value="+s.toString("hex")+" ascii="+s.toString("ascii"))}}),e.getPayloadLength(0))}async parseValueAtom(e,t){const r=await this.tokenizer.readToken(new l.DataAtom(Number(t.header.length)-l.Header.len));if(0!==r.type.set)throw new Error("Unsupported type-set != 0: "+r.type.set);switch(r.type.type){case 0:switch(e){case"trkn":case"disk":const t=n.UINT8.get(r.value,3),a=n.UINT8.get(r.value,5);this.addTag(e,t+"/"+a);break;case"gnre":const i=n.UINT8.get(r.value,1),s=o.Genres[i-1];this.addTag(e,s)}break;case 1:case 18:this.addTag(e,r.value.toString("utf-8"));break;case 13:if(this.options.skipCovers)break;this.addTag(e,{format:"image/jpeg",data:a.from(r.value)});break;case 14:if(this.options.skipCovers)break;this.addTag(e,{format:"image/png",data:a.from(r.value)});break;case 21:this.addTag(e,m.read_BE_Integer(r.value,!0));break;case 22:this.addTag(e,m.read_BE_Integer(r.value,!1));break;case 65:this.addTag(e,r.value.readInt8(0));break;case 66:this.addTag(e,r.value.readInt16BE(0));break;case 67:this.addTag(e,r.value.readInt32BE(0));break;default:this.addWarning(`atom key=${e}, has unknown well-known-type (data-type): ${r.type.type}`)}}parseSoundSampleDescription(e){const t={dataFormat:e.dataFormat,dataReferenceIndex:e.dataReferenceIndex};let r=0;const a=l.SoundSampleDescriptionVersion.get(e.description,r);return r+=l.SoundSampleDescriptionVersion.len,0===a.version||1===a.version?t.description=l.SoundSampleDescriptionV0.get(e.description,r):d(`Warning: sound-sample-description ${a} not implemented`),t}async parseChapterTrack(e,t,r){if(!e.sampleSize&&e.chunkOffsetTable.length!==e.sampleSizeTable.length)throw new Error("Expected equal chunk-offset-table & sample-size-table length.");const a=[];for(let i=0;i<e.chunkOffsetTable.length&&r>0;++i){const n=e.chunkOffsetTable[i]-this.tokenizer.position,s=e.sampleSize>0?e.sampleSize:e.sampleSizeTable[i];if((r-=n+s)<0)throw new Error("Chapter chunk exceeding token length");await this.tokenizer.ignore(n);const o=await this.tokenizer.readToken(new l.ChapterText(s));d(`Chapter ${i+1}: ${o}`);const c={title:o,sampleOffset:this.findSampleOffset(t,this.tokenizer.position)};d(`Chapter title=${c.title}, offset=${c.sampleOffset}/${this.tracks[0].duration}`),a.push(c)}this.metadata.setFormat("chapters",a),await this.tokenizer.ignore(r)}findSampleOffset(e,t){let r=0;e.timeToSampleTable.forEach((e=>{r+=e.count*e.duration})),d(`Total duration=${r}`);let a=0;for(;a<e.chunkOffsetTable.length&&e.chunkOffsetTable[a]<t;)++a;return this.getChunkDuration(a+1,e)}getChunkDuration(e,t){let r=0,a=t.timeToSampleTable[r].count,i=t.timeToSampleTable[r].duration,n=1,s=this.getSamplesPerChunk(n,t.sampleToChunkTable),o=0;for(;n<e;){const e=Math.min(a,s);o+=e*i,a-=e,s-=e,0===s?(++n,s=this.getSamplesPerChunk(n,t.sampleToChunkTable)):(++r,a=t.timeToSampleTable[r].count,i=t.timeToSampleTable[r].duration)}return o}getSamplesPerChunk(e,t){for(let r=0;r<t.length-1;++r)if(e>=t[r].firstChunk&&e<t[r+1].firstChunk)return t[r].samplesPerChunk;return t[t.length-1].samplesPerChunk}}t.MP4Parser=m},7852:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.MP4TagMapper=t.tagType=void 0;const a=r(4132),i={"©nam":"title","©ART":"artist",aART:"albumartist","----:com.apple.iTunes:Band":"albumartist","©alb":"album","©day":"date","©cmt":"comment","©com":"comment",trkn:"track",disk:"disk","©gen":"genre",covr:"picture","©wrt":"composer","©lyr":"lyrics",soal:"albumsort",sonm:"titlesort",soar:"artistsort",soaa:"albumartistsort",soco:"composersort","----:com.apple.iTunes:LYRICIST":"lyricist","----:com.apple.iTunes:CONDUCTOR":"conductor","----:com.apple.iTunes:REMIXER":"remixer","----:com.apple.iTunes:ENGINEER":"engineer","----:com.apple.iTunes:PRODUCER":"producer","----:com.apple.iTunes:DJMIXER":"djmixer","----:com.apple.iTunes:MIXER":"mixer","----:com.apple.iTunes:LABEL":"label","©grp":"grouping","----:com.apple.iTunes:SUBTITLE":"subtitle","----:com.apple.iTunes:DISCSUBTITLE":"discsubtitle",cpil:"compilation",tmpo:"bpm","----:com.apple.iTunes:MOOD":"mood","----:com.apple.iTunes:MEDIA":"media","----:com.apple.iTunes:CATALOGNUMBER":"catalognumber",tvsh:"tvShow",tvsn:"tvSeason",tves:"tvEpisode",sosn:"tvShowSort",tven:"tvEpisodeId",tvnn:"tvNetwork",pcst:"podcast",purl:"podcasturl","----:com.apple.iTunes:MusicBrainz Album Status":"releasestatus","----:com.apple.iTunes:MusicBrainz Album Type":"releasetype","----:com.apple.iTunes:MusicBrainz Album Release Country":"releasecountry","----:com.apple.iTunes:SCRIPT":"script","----:com.apple.iTunes:LANGUAGE":"language",cprt:"copyright","©cpy":"copyright","----:com.apple.iTunes:LICENSE":"license","©too":"encodedby",pgap:"gapless","----:com.apple.iTunes:BARCODE":"barcode","----:com.apple.iTunes:ISRC":"isrc","----:com.apple.iTunes:ASIN":"asin","----:com.apple.iTunes:NOTES":"comment","----:com.apple.iTunes:MusicBrainz Track Id":"musicbrainz_recordingid","----:com.apple.iTunes:MusicBrainz Release Track Id":"musicbrainz_trackid","----:com.apple.iTunes:MusicBrainz Album Id":"musicbrainz_albumid","----:com.apple.iTunes:MusicBrainz Artist Id":"musicbrainz_artistid","----:com.apple.iTunes:MusicBrainz Album Artist Id":"musicbrainz_albumartistid","----:com.apple.iTunes:MusicBrainz Release Group Id":"musicbrainz_releasegroupid","----:com.apple.iTunes:MusicBrainz Work Id":"musicbrainz_workid","----:com.apple.iTunes:MusicBrainz TRM Id":"musicbrainz_trmid","----:com.apple.iTunes:MusicBrainz Disc Id":"musicbrainz_discid","----:com.apple.iTunes:Acoustid Id":"acoustid_id","----:com.apple.iTunes:Acoustid Fingerprint":"acoustid_fingerprint","----:com.apple.iTunes:MusicIP PUID":"musicip_puid","----:com.apple.iTunes:fingerprint":"musicip_fingerprint","----:com.apple.iTunes:replaygain_track_gain":"replaygain_track_gain","----:com.apple.iTunes:replaygain_track_peak":"replaygain_track_peak","----:com.apple.iTunes:replaygain_album_gain":"replaygain_album_gain","----:com.apple.iTunes:replaygain_album_peak":"replaygain_album_peak","----:com.apple.iTunes:replaygain_track_minmax":"replaygain_track_minmax","----:com.apple.iTunes:replaygain_album_minmax":"replaygain_album_minmax","----:com.apple.iTunes:replaygain_undo":"replaygain_undo",gnre:"genre","----:com.apple.iTunes:ALBUMARTISTSORT":"albumartistsort","----:com.apple.iTunes:ARTISTS":"artists","----:com.apple.iTunes:ORIGINALDATE":"originaldate","----:com.apple.iTunes:ORIGINALYEAR":"originalyear",desc:"description",ldes:"longDescription","©mvn":"movement","©mvi":"movementIndex","©mvc":"movementTotal","©wrk":"work",catg:"category",egid:"podcastId",hdvd:"hdVideo",keyw:"keywords",shwm:"showMovement",stik:"stik"};t.tagType="iTunes";class n extends a.CaseInsensitiveTagMap{constructor(){super([t.tagType],i)}}t.MP4TagMapper=n},5261:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.ExtendedLameHeader=void 0;const a=r(3416),i=r(3769),n=r(6118);t.ExtendedLameHeader={len:27,get:(e,t)=>{const r=a.UINT32_BE.get(e,t+2);return{revision:i.getBitAllignedNumber(e,t,0,4),vbr_method:i.getBitAllignedNumber(e,t,4,4),lowpass_filter:100*a.UINT8.get(e,t+1),track_peak:0===r?void 0:r/Math.pow(2,23),track_gain:n.ReplayGain.get(e,6),album_gain:n.ReplayGain.get(e,8),music_length:a.UINT32_BE.get(e,t+20),music_crc:a.UINT8.get(e,t+24),header_crc:a.UINT16_BE.get(e,t+24)}}}},60:(e,t,r)=>{"use strict";var a=r(8764).Buffer;Object.defineProperty(t,"__esModule",{value:!0}),t.MpegParser=void 0;const i=r(3416),n=r(5849),s=r(1227),o=r(3769),c=r(5159),u=r(3566),l=(0,s.default)("music-metadata:parser:mpeg"),d={AudioObjectTypes:["AAC Main","AAC LC","AAC SSR","AAC LTP"],SamplingFrequencies:[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350,void 0,void 0,-1]},f=[void 0,["front-center"],["front-left","front-right"],["front-center","front-left","front-right"],["front-center","front-left","front-right","back-center"],["front-center","front-left","front-right","back-left","back-right"],["front-center","front-left","front-right","back-left","back-right","LFE-channel"],["front-center","front-left","front-right","side-left","side-right","back-left","back-right","LFE-channel"]];class p{constructor(e,t){this.versionIndex=o.getBitAllignedNumber(e,t+1,3,2),this.layer=p.LayerDescription[o.getBitAllignedNumber(e,t+1,5,2)],this.versionIndex>1&&0===this.layer?this.parseAdtsHeader(e,t):this.parseMpegHeader(e,t),this.isProtectedByCRC=!o.isBitSet(e,t+1,7)}calcDuration(e){return e*this.calcSamplesPerFrame()/this.samplingRate}calcSamplesPerFrame(){return p.samplesInFrameTable[1===this.version?0:1][this.layer]}calculateSideInfoLength(){if(3!==this.layer)return 2;if(3===this.channelModeIndex){if(1===this.version)return 17;if(2===this.version||2.5===this.version)return 9}else{if(1===this.version)return 32;if(2===this.version||2.5===this.version)return 17}}calcSlotSize(){return[null,4,1,1][this.layer]}parseMpegHeader(e,t){this.container="MPEG",this.bitrateIndex=o.getBitAllignedNumber(e,t+2,0,4),this.sampRateFreqIndex=o.getBitAllignedNumber(e,t+2,4,2),this.padding=o.isBitSet(e,t+2,6),this.privateBit=o.isBitSet(e,t+2,7),this.channelModeIndex=o.getBitAllignedNumber(e,t+3,0,2),this.modeExtension=o.getBitAllignedNumber(e,t+3,2,2),this.isCopyrighted=o.isBitSet(e,t+3,4),this.isOriginalMedia=o.isBitSet(e,t+3,5),this.emphasis=o.getBitAllignedNumber(e,t+3,7,2),this.version=p.VersionID[this.versionIndex],this.channelMode=p.ChannelMode[this.channelModeIndex],this.codec=`MPEG ${this.version} Layer ${this.layer}`;const r=this.calcBitrate();if(!r)throw new Error("Cannot determine bit-rate");if(this.bitrate=1e3*r,this.samplingRate=this.calcSamplingRate(),null==this.samplingRate)throw new Error("Cannot determine sampling-rate")}parseAdtsHeader(e,t){l("layer=0 => ADTS"),this.version=2===this.versionIndex?4:2,this.container="ADTS/MPEG-"+this.version;const r=o.getBitAllignedNumber(e,t+2,0,2);this.codec="AAC",this.codecProfile=d.AudioObjectTypes[r],l(`MPEG-4 audio-codec=${this.codec}`);const a=o.getBitAllignedNumber(e,t+2,2,4);this.samplingRate=d.SamplingFrequencies[a],l(`sampling-rate=${this.samplingRate}`);const i=o.getBitAllignedNumber(e,t+2,7,3);this.mp4ChannelConfig=f[i],l(`channel-config=${this.mp4ChannelConfig.join("+")}`),this.frameLength=o.getBitAllignedNumber(e,t+3,6,2)<<11}calcBitrate(){if(0===this.bitrateIndex||15===this.bitrateIndex)return;const e=`${Math.floor(this.version)}${this.layer}`;return p.bitrate_index[this.bitrateIndex][e]}calcSamplingRate(){return 3===this.sampRateFreqIndex?null:p.sampling_rate_freq_index[this.version][this.sampRateFreqIndex]}}p.SyncByte1=255,p.SyncByte2=224,p.VersionID=[2.5,null,2,1],p.LayerDescription=[0,3,2,1],p.ChannelMode=["stereo","joint_stereo","dual_channel","mono"],p.bitrate_index={1:{11:32,12:32,13:32,21:32,22:8,23:8},2:{11:64,12:48,13:40,21:48,22:16,23:16},3:{11:96,12:56,13:48,21:56,22:24,23:24},4:{11:128,12:64,13:56,21:64,22:32,23:32},5:{11:160,12:80,13:64,21:80,22:40,23:40},6:{11:192,12:96,13:80,21:96,22:48,23:48},7:{11:224,12:112,13:96,21:112,22:56,23:56},8:{11:256,12:128,13:112,21:128,22:64,23:64},9:{11:288,12:160,13:128,21:144,22:80,23:80},10:{11:320,12:192,13:160,21:160,22:96,23:96},11:{11:352,12:224,13:192,21:176,22:112,23:112},12:{11:384,12:256,13:224,21:192,22:128,23:128},13:{11:416,12:320,13:256,21:224,22:144,23:144},14:{11:448,12:384,13:320,21:256,22:160,23:160}},p.sampling_rate_freq_index={1:{0:44100,1:48e3,2:32e3},2:{0:22050,1:24e3,2:16e3},2.5:{0:11025,1:12e3,2:8e3}},p.samplesInFrameTable=[[0,384,1152,1152],[0,384,1152,576]];class m extends c.AbstractID3Parser{constructor(){super(...arguments),this.frameCount=0,this.syncFrameCount=-1,this.countSkipFrameData=0,this.totalDataLength=0,this.bitrates=[],this.calculateEofDuration=!1,this.buf_frame_header=a.alloc(4),this.syncPeek={buf:a.alloc(1024),len:0}}async postId3v2Parse(){this.metadata.setFormat("lossless",!1);try{let e=!1;for(;!e;)await this.sync(),e=await this.parseCommonMpegHeader()}catch(e){if(!(e instanceof n.EndOfStreamError))throw e;if(l("End-of-stream"),this.calculateEofDuration){const e=this.frameCount*this.samplesPerFrame;this.metadata.setFormat("numberOfSamples",e);const t=e/this.metadata.format.sampleRate;l(`Calculate duration at EOF: ${t} sec.`,t),this.metadata.setFormat("duration",t)}}}finalize(){const e=this.metadata.format,t=this.metadata.native.hasOwnProperty("ID3v1");if(e.duration&&this.tokenizer.fileInfo.size){const r=this.tokenizer.fileInfo.size-this.mpegOffset-(t?128:0);e.codecProfile&&"V"===e.codecProfile[0]&&this.metadata.setFormat("bitrate",8*r/e.duration)}else if(this.tokenizer.fileInfo.size&&"CBR"===e.codecProfile){const r=this.tokenizer.fileInfo.size-this.mpegOffset-(t?128:0),a=Math.round(r/this.frame_size)*this.samplesPerFrame;this.metadata.setFormat("numberOfSamples",a);const i=a/e.sampleRate;l("Calculate CBR duration based on file size: %s",i),this.metadata.setFormat("duration",i)}}async sync(){let e=!1;for(;;){let t=0;if(this.syncPeek.len=await this.tokenizer.peekBuffer(this.syncPeek.buf,{length:1024,mayBeLess:!0}),this.syncPeek.len<=163)throw new n.EndOfStreamError;for(;;){if(e&&!(224&~this.syncPeek.buf[t]))return this.buf_frame_header[0]=p.SyncByte1,this.buf_frame_header[1]=this.syncPeek.buf[t],await this.tokenizer.ignore(t),l(`Sync at offset=${this.tokenizer.position-1}, frameCount=${this.frameCount}`),this.syncFrameCount===this.frameCount&&(l(`Re-synced MPEG stream, frameCount=${this.frameCount}`),this.frameCount=0,this.frame_size=0),void(this.syncFrameCount=this.frameCount);if(e=!1,t=this.syncPeek.buf.indexOf(p.SyncByte1,t),-1===t){if(this.syncPeek.len<this.syncPeek.buf.length)throw new n.EndOfStreamError;await this.tokenizer.ignore(this.syncPeek.len);break}++t,e=!0}}}async parseCommonMpegHeader(){let e;0===this.frameCount&&(this.mpegOffset=this.tokenizer.position-1),await this.tokenizer.peekBuffer(this.buf_frame_header,{offset:1,length:3});try{t=this.buf_frame_header,e=new p(t,0)}catch(e){return await this.tokenizer.ignore(1),this.metadata.addWarning("Parse error: "+e.message),!1}var t;return await this.tokenizer.ignore(3),this.metadata.setFormat("container",e.container),this.metadata.setFormat("codec",e.codec),this.metadata.setFormat("lossless",!1),this.metadata.setFormat("sampleRate",e.samplingRate),this.frameCount++,e.version>=2&&0===e.layer?this.parseAdts(e):this.parseAudioFrameHeader(e)}async parseAudioFrameHeader(e){this.metadata.setFormat("numberOfChannels","mono"===e.channelMode?1:2),this.metadata.setFormat("bitrate",e.bitrate),this.frameCount<2e5&&l("offset=%s MP%s bitrate=%s sample-rate=%s",this.tokenizer.position-4,e.layer,e.bitrate,e.samplingRate);const t=e.calcSlotSize();if(null===t)throw new Error("invalid slot_size");const r=e.calcSamplesPerFrame();l(`samples_per_frame=${r}`);const a=r/8*e.bitrate/e.samplingRate+(e.padding?t:0);if(this.frame_size=Math.floor(a),this.audioFrameHeader=e,this.bitrates.push(e.bitrate),1===this.frameCount)return this.offset=4,await this.skipSideInformation(),!1;if(3===this.frameCount){if(this.areAllSame(this.bitrates)){if(this.samplesPerFrame=r,this.metadata.setFormat("codecProfile","CBR"),this.tokenizer.fileInfo.size)return!0}else if(this.metadata.format.duration)return!0;if(!this.options.duration)return!0}return this.options.duration&&4===this.frameCount&&(this.samplesPerFrame=r,this.calculateEofDuration=!0),this.offset=4,e.isProtectedByCRC?(await this.parseCrc(),!1):(await this.skipSideInformation(),!1)}async parseAdts(e){const t=a.alloc(3);await this.tokenizer.readBuffer(t),e.frameLength+=o.getBitAllignedNumber(t,0,0,11),this.totalDataLength+=e.frameLength,this.samplesPerFrame=1024;const r=e.samplingRate/this.samplesPerFrame,i=8*(0===this.frameCount?0:this.totalDataLength/this.frameCount)*r+.5;if(this.metadata.setFormat("bitrate",i),l(`frame-count=${this.frameCount}, size=${e.frameLength} bytes, bit-rate=${i}`),await this.tokenizer.ignore(e.frameLength>7?e.frameLength-7:1),3===this.frameCount){if(this.metadata.setFormat("codecProfile",e.codecProfile),e.mp4ChannelConfig&&this.metadata.setFormat("numberOfChannels",e.mp4ChannelConfig.length),!this.options.duration)return!0;this.calculateEofDuration=!0}return!1}async parseCrc(){return this.crc=await this.tokenizer.readNumber(i.INT16_BE),this.offset+=2,this.skipSideInformation()}async skipSideInformation(){const e=this.audioFrameHeader.calculateSideInfoLength();await this.tokenizer.readToken(new i.Uint8ArrayType(e)),this.offset+=e,await this.readXtraInfoHeader()}async readXtraInfoHeader(){const e=await this.tokenizer.readToken(u.InfoTagHeaderTag);switch(this.offset+=u.InfoTagHeaderTag.len,e){case"Info":return this.metadata.setFormat("codecProfile","CBR"),this.readXingInfoHeader();case"Xing":const e=(t=(await this.readXingInfoHeader()).vbrScale,"V"+Math.floor((100-t)/10));return this.metadata.setFormat("codecProfile",e),null;case"Xtra":break;case"LAME":const r=await this.tokenizer.readToken(u.LameEncoderVersion);if(this.frame_size>=this.offset+u.LameEncoderVersion.len)return this.offset+=u.LameEncoderVersion.len,this.metadata.setFormat("tool","LAME "+r),await this.skipFrameData(this.frame_size-this.offset),null;this.metadata.addWarning("Corrupt LAME header")}var t;const r=this.frame_size-this.offset;return r<0?this.metadata.addWarning("Frame "+this.frameCount+"corrupt: negative frameDataLeft"):await this.skipFrameData(r),null}async readXingInfoHeader(){const e=this.tokenizer.position,t=await(0,u.readXingHeader)(this.tokenizer);if(this.offset+=this.tokenizer.position-e,t.lame&&(this.metadata.setFormat("tool","LAME "+o.stripNulls(t.lame.version)),t.lame.extended&&(this.metadata.setFormat("trackPeakLevel",t.lame.extended.track_peak),t.lame.extended.track_gain&&this.metadata.setFormat("trackGain",t.lame.extended.track_gain.adjustment),t.lame.extended.album_gain&&this.metadata.setFormat("albumGain",t.lame.extended.album_gain.adjustment),this.metadata.setFormat("duration",t.lame.extended.music_length/1e3))),t.streamSize){const e=this.audioFrameHeader.calcDuration(t.numFrames);return this.metadata.setFormat("duration",e),l("Get duration from Xing header: %s",this.metadata.format.duration),t}const r=this.frame_size-this.offset;return await this.skipFrameData(r),t}async skipFrameData(e){if(e<0)throw new Error("frame-data-left cannot be negative");await this.tokenizer.ignore(e),this.countSkipFrameData+=e}areAllSame(e){const t=e[0];return e.every((e=>e===t))}}t.MpegParser=m},6118:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.ReplayGain=void 0;const a=r(3769);var i,n;!function(e){e[e.not_set=0]="not_set",e[e.radio=1]="radio",e[e.audiophile=2]="audiophile"}(i||(i={})),function(e){e[e.unspecified=0]="unspecified",e[e.engineer=1]="engineer",e[e.user=2]="user",e[e.automatic=3]="automatic",e[e.rms_average=4]="rms_average"}(n||(n={})),t.ReplayGain={len:2,get:(e,t)=>{const r=a.getBitAllignedNumber(e,t,0,3),i=a.getBitAllignedNumber(e,t,6,1),n=a.getBitAllignedNumber(e,t,7,9)/10;if(r>0)return{type:a.getBitAllignedNumber(e,t,0,3),origin:a.getBitAllignedNumber(e,t,3,3),adjustment:i?-n:n}}}},3566:(e,t,r)=>{"use strict";var a=r(8764).Buffer;Object.defineProperty(t,"__esModule",{value:!0}),t.readXingHeader=t.XingHeaderFlags=t.LameEncoderVersion=t.InfoTagHeaderTag=void 0;const i=r(3416),n=r(3769),s=r(5261);t.InfoTagHeaderTag=new i.StringType(4,"ascii"),t.LameEncoderVersion=new i.StringType(6,"ascii"),t.XingHeaderFlags={len:4,get:(e,t)=>({frames:n.isBitSet(e,t,31),bytes:n.isBitSet(e,t,30),toc:n.isBitSet(e,t,29),vbrScale:n.isBitSet(e,t,28)})},t.readXingHeader=async function(e){const r=await e.readToken(t.XingHeaderFlags),n={};if(r.frames&&(n.numFrames=await e.readToken(i.UINT32_BE)),r.bytes&&(n.streamSize=await e.readToken(i.UINT32_BE)),r.toc&&(n.toc=a.alloc(100),await e.readBuffer(n.toc)),r.vbrScale&&(n.vbrScale=await e.readToken(i.UINT32_BE)),"LAME"===await e.peekToken(new i.StringType(4,"ascii"))&&(await e.ignore(4),n.lame={version:await e.readToken(new i.StringType(5,"ascii"))},n.lame.version.match(/\d+.\d+/g))){const t=n.lame.version.match(/\d+.\d+/g)[0].split(".").map((e=>parseInt(e,10)));t[0]>=3&&t[1]>=90&&(n.lame.extended=await e.readToken(s.ExtendedLameHeader))}return n}},9606:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0});const a=r(1227),i=r(3416),n=r(5159),s=r(5170),o=r(3928),c=(0,a.default)("music-metadata:parser:musepack");class u extends n.AbstractID3Parser{async postId3v2Parse(){let e;switch(await this.tokenizer.peekToken(new i.StringType(3,"binary"))){case"MP+":c("Musepack stream-version 7"),e=new o.MpcSv7Parser;break;case"MPC":c("Musepack stream-version 8"),e=new s.MpcSv8Parser;break;default:throw new Error("Invalid Musepack signature prefix")}return e.init(this.metadata,this.tokenizer,this.options),e.parse()}}t.default=u},2812:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.BitReader=void 0;const a=r(3416);t.BitReader=class{constructor(e){this.tokenizer=e,this.pos=0,this.dword=void 0}async read(e){for(;void 0===this.dword;)this.dword=await this.tokenizer.readToken(a.UINT32_LE);let t=this.dword;return this.pos+=e,this.pos<32?(t>>>=32-this.pos,t&(1<<e)-1):(this.pos-=32,0===this.pos?(this.dword=void 0,t&(1<<e)-1):(this.dword=await this.tokenizer.readToken(a.UINT32_LE),this.pos&&(t<<=this.pos,t|=this.dword>>>32-this.pos),t&(1<<e)-1))}async ignore(e){if(this.pos>0){const t=32-this.pos;this.dword=void 0,e-=t,this.pos=0}const t=e%32,r=(e-t)/32;return await this.tokenizer.ignore(4*r),this.read(t)}}},3928:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.MpcSv7Parser=void 0;const a=r(1227),i=r(7805),n=r(6742),s=r(2812),o=r(8153),c=(0,a.default)("music-metadata:parser:musepack");class u extends i.BasicParser{constructor(){super(...arguments),this.audioLength=0}async parse(){const e=await this.tokenizer.readToken(o.Header);if("MP+"!==e.signature)throw new Error("Unexpected magic number");c(`stream-version=${e.streamMajorVersion}.${e.streamMinorVersion}`),this.metadata.setFormat("container","Musepack, SV7"),this.metadata.setFormat("sampleRate",e.sampleFrequency);const t=1152*(e.frameCount-1)+e.lastFrameLength;this.metadata.setFormat("numberOfSamples",t),this.duration=t/e.sampleFrequency,this.metadata.setFormat("duration",this.duration),this.bitreader=new s.BitReader(this.tokenizer),this.metadata.setFormat("numberOfChannels",e.midSideStereo||e.intensityStereo?2:1);const r=await this.bitreader.read(8);return this.metadata.setFormat("codec",(r/100).toFixed(2)),await this.skipAudioData(e.frameCount),c(`End of audio stream, switching to APEv2, offset=${this.tokenizer.position}`),n.APEv2Parser.tryParseApeHeader(this.metadata,this.tokenizer,this.options)}async skipAudioData(e){for(;e-- >0;){const e=await this.bitreader.read(20);this.audioLength+=20+e,await this.bitreader.ignore(e)}const t=await this.bitreader.read(11);this.audioLength+=t,this.metadata.setFormat("bitrate",this.audioLength/this.duration)}}t.MpcSv7Parser=u},8153:(e,t,r)=>{"use strict";var a=r(8764).Buffer;Object.defineProperty(t,"__esModule",{value:!0}),t.Header=void 0;const i=r(3416),n=r(3769);t.Header={len:24,get:(e,t)=>{const r={signature:a.from(e).toString("latin1",t,t+3),streamMinorVersion:n.getBitAllignedNumber(e,t+3,0,4),streamMajorVersion:n.getBitAllignedNumber(e,t+3,4,4),frameCount:i.UINT32_LE.get(e,t+4),maxLevel:i.UINT16_LE.get(e,t+8),sampleFrequency:[44100,48e3,37800,32e3][n.getBitAllignedNumber(e,t+10,0,2)],link:n.getBitAllignedNumber(e,t+10,2,2),profile:n.getBitAllignedNumber(e,t+10,4,4),maxBand:n.getBitAllignedNumber(e,t+11,0,6),intensityStereo:n.isBitSet(e,t+11,6),midSideStereo:n.isBitSet(e,t+11,7),titlePeak:i.UINT16_LE.get(e,t+12),titleGain:i.UINT16_LE.get(e,t+14),albumPeak:i.UINT16_LE.get(e,t+16),albumGain:i.UINT16_LE.get(e,t+18),lastFrameLength:i.UINT32_LE.get(e,t+20)>>>20&2047,trueGapless:n.isBitSet(e,t+23,0)};return r.lastFrameLength=r.trueGapless?i.UINT32_LE.get(e,20)>>>20&2047:0,r}}},5170:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.MpcSv8Parser=void 0;const a=r(1227),i=r(7805),n=r(6742),s=r(8049),o=r(8850),c=(0,a.default)("music-metadata:parser:musepack");class u extends i.BasicParser{constructor(){super(...arguments),this.audioLength=0}async parse(){if("MPCK"!==await this.tokenizer.readToken(s.FourCcToken))throw new Error("Invalid Magic number");return this.metadata.setFormat("container","Musepack, SV8"),this.parsePacket()}async parsePacket(){const e=new o.StreamReader(this.tokenizer);for(;;){const t=await e.readPacketHeader();switch(c(`packet-header key=${t.key}, payloadLength=${t.payloadLength}`),t.key){case"SH":const r=await e.readStreamHeader(t.payloadLength);this.metadata.setFormat("numberOfSamples",r.sampleCount),this.metadata.setFormat("sampleRate",r.sampleFrequency),this.metadata.setFormat("duration",r.sampleCount/r.sampleFrequency),this.metadata.setFormat("numberOfChannels",r.channelCount);break;case"AP":this.audioLength+=t.payloadLength,await this.tokenizer.ignore(t.payloadLength);break;case"RG":case"EI":case"SO":case"ST":case"CT":await this.tokenizer.ignore(t.payloadLength);break;case"SE":return this.metadata.setFormat("bitrate",8*this.audioLength/this.metadata.format.duration),n.APEv2Parser.tryParseApeHeader(this.metadata,this.tokenizer,this.options);default:throw new Error(`Unexpected header: ${t.key}`)}}}}t.MpcSv8Parser=u},8850:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.StreamReader=void 0;const a=r(3416),i=r(1227),n=r(3769),s=(0,i.default)("music-metadata:parser:musepack:sv8"),o=new a.StringType(2,"binary"),c={len:5,get:(e,t)=>({crc:a.UINT32_LE.get(e,t),streamVersion:a.UINT8.get(e,t+4)})},u={len:2,get:(e,t)=>({sampleFrequency:[44100,48e3,37800,32e3][n.getBitAllignedNumber(e,t,0,3)],maxUsedBands:n.getBitAllignedNumber(e,t,3,5),channelCount:n.getBitAllignedNumber(e,t+1,0,4)+1,msUsed:n.isBitSet(e,t+1,4),audioBlockFrames:n.getBitAllignedNumber(e,t+1,5,3)})};t.StreamReader=class{constructor(e){this.tokenizer=e}async readPacketHeader(){const e=await this.tokenizer.readToken(o),t=await this.readVariableSizeField();return{key:e,payloadLength:t.value-2-t.len}}async readStreamHeader(e){const t={};s(`Reading SH at offset=${this.tokenizer.position}`);const r=await this.tokenizer.readToken(c);e-=c.len,Object.assign(t,r),s(`SH.streamVersion = ${r.streamVersion}`);const a=await this.readVariableSizeField();e-=a.len,t.sampleCount=a.value;const i=await this.readVariableSizeField();e-=i.len,t.beginningOfSilence=i.value;const n=await this.tokenizer.readToken(u);return e-=u.len,Object.assign(t,n),await this.tokenizer.ignore(e),t}async readVariableSizeField(e=1,t=0){let r=await this.tokenizer.readNumber(a.UINT8);return 128&r?(r&=127,r+=t,this.readVariableSizeField(e+1,r<<7)):{len:e,value:t+r}}}},1915:(e,t,r)=>{"use strict";var a=r(8764).Buffer;Object.defineProperty(t,"__esModule",{value:!0}),t.OggParser=t.SegmentTable=void 0;const i=r(3416),n=r(5849),s=r(1227),o=r(3769),c=r(8049),u=r(7805),l=r(4210),d=r(1272),f=r(573),p=r(2630),m=(0,s.default)("music-metadata:parser:ogg");class h{constructor(e){this.len=e.page_segments}static sum(e,t,r){let a=0;for(let i=t;i<t+r;++i)a+=e[i];return a}get(e,t){return{totalPageSize:h.sum(e,t,this.len)}}}t.SegmentTable=h;class g extends u.BasicParser{async parse(){m("pos=%s, parsePage()",this.tokenizer.position);try{let e;do{if(e=await this.tokenizer.readToken(g.Header),"OggS"!==e.capturePattern)throw new Error("Invalid Ogg capture pattern");this.metadata.setFormat("container","Ogg"),this.header=e,this.pageNumber=e.pageSequenceNo,m("page#=%s, Ogg.id=%s",e.pageSequenceNo,e.capturePattern);const t=await this.tokenizer.readToken(new h(e));m("totalPageSize=%s",t.totalPageSize);const r=await this.tokenizer.readToken(new i.Uint8ArrayType(t.totalPageSize));if(m("firstPage=%s, lastPage=%s, continued=%s",e.headerType.firstPage,e.headerType.lastPage,e.headerType.continued),e.headerType.firstPage){const e=new i.StringType(7,"ascii").get(a.from(r),0);switch(e){case"
vorbis":m("Set page consumer to Ogg/Vorbis"),this.pageConsumer=new l.VorbisParser(this.metadata,this.options);break;case"OpusHea":m("Set page consumer to Ogg/Opus"),this.pageConsumer=new d.OpusParser(this.metadata,this.options,this.tokenizer);break;case"Speex  ":m("Set page consumer to Ogg/Speex"),this.pageConsumer=new f.SpeexParser(this.metadata,this.options,this.tokenizer);break;case"fishead":case"\0theora":m("Set page consumer to Ogg/Theora"),this.pageConsumer=new p.TheoraParser(this.metadata,this.options,this.tokenizer);break;default:throw new Error("gg audio-codec not recognized (id="+e+")")}}this.pageConsumer.parsePage(e,r)}while(!e.headerType.lastPage)}catch(e){if(e instanceof n.EndOfStreamError)this.metadata.addWarning("Last OGG-page is not marked with last-page flag"),m("End-of-stream"),this.metadata.addWarning("Last OGG-page is not marked with last-page flag"),this.header&&this.pageConsumer.calculateDuration(this.header);else{if(!e.message.startsWith("FourCC"))throw e;this.pageNumber>0&&(this.metadata.addWarning("Invalid FourCC ID, maybe last OGG-page is not marked with last-page flag"),this.pageConsumer.flush())}}}}t.OggParser=g,g.Header={len:27,get:(e,t)=>({capturePattern:c.FourCcToken.get(e,t),version:i.UINT8.get(e,t+4),headerType:{continued:o.getBit(e,t+5,0),firstPage:o.getBit(e,t+5,1),lastPage:o.getBit(e,t+5,2)},absoluteGranulePosition:Number(i.UINT64_LE.get(e,t+6)),streamSerialNumber:i.UINT32_LE.get(e,t+14),pageSequenceNo:i.UINT32_LE.get(e,t+18),pageChecksum:i.UINT32_LE.get(e,t+22),page_segments:i.UINT8.get(e,t+26)})}},5044:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.IdHeader=void 0;const a=r(3416);t.IdHeader=class{constructor(e){if(this.len=e,e<19)throw new Error("ID-header-page 0 should be at least 19 bytes long")}get(e,t){return{magicSignature:new a.StringType(8,"ascii").get(e,t+0),version:e.readUInt8(t+8),channelCount:e.readUInt8(t+9),preSkip:e.readInt16LE(t+10),inputSampleRate:e.readInt32LE(t+12),outputGain:e.readInt16LE(t+16),channelMapping:e.readUInt8(t+18)}}}},1272:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.OpusParser=void 0;const a=r(3416),i=r(4210),n=r(5044);class s extends i.VorbisParser{constructor(e,t,r){super(e,t),this.tokenizer=r,this.lastPos=-1}parseFirstPage(e,t){if(this.metadata.setFormat("codec","Opus"),this.idHeader=new n.IdHeader(t.length).get(t,0),"OpusHead"!==this.idHeader.magicSignature)throw new Error("Illegal ogg/Opus magic-signature");this.metadata.setFormat("sampleRate",this.idHeader.inputSampleRate),this.metadata.setFormat("numberOfChannels",this.idHeader.channelCount)}parseFullPage(e){"OpusTags"===new a.StringType(8,"ascii").get(e,0)&&(this.parseUserCommentList(e,8),this.lastPos=this.tokenizer.position-e.length)}calculateDuration(e){if(this.metadata.format.sampleRate&&e.absoluteGranulePosition>=0){const t=e.absoluteGranulePosition-this.idHeader.preSkip;if(this.metadata.setFormat("numberOfSamples",t),this.metadata.setFormat("duration",t/48e3),-1!==this.lastPos&&this.tokenizer.fileInfo.size&&this.metadata.format.duration){const e=this.tokenizer.fileInfo.size-this.lastPos;this.metadata.setFormat("bitrate",8*e/this.metadata.format.duration)}}}}t.OpusParser=s},6666:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.Header=void 0;const a=r(3416),i=r(3769);t.Header={len:80,get:(e,t)=>({speex:new a.StringType(8,"ascii").get(e,t+0),version:i.trimRightNull(new a.StringType(20,"ascii").get(e,t+8)),version_id:e.readInt32LE(t+28),header_size:e.readInt32LE(t+32),rate:e.readInt32LE(t+36),mode:e.readInt32LE(t+40),mode_bitstream_version:e.readInt32LE(t+44),nb_channels:e.readInt32LE(t+48),bitrate:e.readInt32LE(t+52),frame_size:e.readInt32LE(t+56),vbr:e.readInt32LE(t+60),frames_per_packet:e.readInt32LE(t+64),extra_headers:e.readInt32LE(t+68),reserved1:e.readInt32LE(t+72),reserved2:e.readInt32LE(t+76)})}},573:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.SpeexParser=void 0;const a=r(1227),i=r(4210),n=r(6666),s=(0,a.default)("music-metadata:parser:ogg:speex");class o extends i.VorbisParser{constructor(e,t,r){super(e,t),this.tokenizer=r}parseFirstPage(e,t){s("First Ogg/Speex page");const r=n.Header.get(t,0);this.metadata.setFormat("codec",`Speex ${r.version}`),this.metadata.setFormat("numberOfChannels",r.nb_channels),this.metadata.setFormat("sampleRate",r.rate),-1!==r.bitrate&&this.metadata.setFormat("bitrate",r.bitrate)}}t.SpeexParser=o},5177:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.IdentificationHeader=void 0;const a=r(3416);t.IdentificationHeader={len:42,get:(e,t)=>({id:new a.StringType(7,"ascii").get(e,t),vmaj:e.readUInt8(t+7),vmin:e.readUInt8(t+8),vrev:e.readUInt8(t+9),vmbw:e.readUInt16BE(t+10),vmbh:e.readUInt16BE(t+17),nombr:a.UINT24_BE.get(e,t+37),nqual:e.readUInt8(t+40)})}},2630:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.TheoraParser=void 0;const a=r(1227),i=r(5177),n=(0,a.default)("music-metadata:parser:ogg:theora");t.TheoraParser=class{constructor(e,t,r){this.metadata=e,this.tokenizer=r}parsePage(e,t){e.headerType.firstPage&&this.parseFirstPage(e,t)}flush(){n("flush")}calculateDuration(e){n("duration calculation not implemented")}parseFirstPage(e,t){n("First Ogg/Theora page"),this.metadata.setFormat("codec","Theora");const r=i.IdentificationHeader.get(t,0);this.metadata.setFormat("bitrate",r.nombr)}}},2127:(e,t,r)=>{"use strict";var a=r(8764).Buffer;Object.defineProperty(t,"__esModule",{value:!0}),t.IdentificationHeader=t.CommonHeader=t.VorbisPictureToken=void 0;const i=r(3416),n=r(8281);class s{constructor(e){this.len=e}static fromBase64(e){return this.fromBuffer(a.from(e,"base64"))}static fromBuffer(e){return new s(e.length).get(e,0)}get(e,t){const r=n.AttachedPictureType[i.UINT32_BE.get(e,t)],s=i.UINT32_BE.get(e,t+=4),o=e.toString("utf-8",t+=4,t+s),c=i.UINT32_BE.get(e,t+=s),u=e.toString("utf-8",t+=4,t+c),l=i.UINT32_BE.get(e,t+=c),d=i.UINT32_BE.get(e,t+=4),f=i.UINT32_BE.get(e,t+=4),p=i.UINT32_BE.get(e,t+=4),m=i.UINT32_BE.get(e,t+=4);return{type:r,format:o,description:u,width:l,height:d,colour_depth:f,indexed_color:p,data:a.from(e.slice(t+=4,t+m))}}}t.VorbisPictureToken=s,t.CommonHeader={len:7,get:(e,t)=>({packetType:e.readUInt8(t),vorbis:new i.StringType(6,"ascii").get(e,t+1)})},t.IdentificationHeader={len:23,get:(e,t)=>{const r=new DataView(e.buffer,e.byteOffset);return{version:r.getUint32(t+0,!0),channelMode:r.getUint8(t+4),sampleRate:r.getUint32(t+5,!0),bitrateMax:r.getUint32(t+9,!0),bitrateNominal:r.getUint32(t+13,!0),bitrateMin:r.getUint32(t+17,!0)}}}},441:(e,t,r)=>{"use strict";var a=r(8764).Buffer;Object.defineProperty(t,"__esModule",{value:!0}),t.VorbisDecoder=void 0;const i=r(3416);t.VorbisDecoder=class{constructor(e,t){this.data=e,this.offset=t}readInt32(){const e=i.UINT32_LE.get(this.data,this.offset);return this.offset+=4,e}readStringUtf8(){const e=this.readInt32(),t=a.from(this.data).toString("utf-8",this.offset,this.offset+e);return this.offset+=e,t}parseUserComment(){const e=this.offset,t=this.readStringUtf8(),r=t.indexOf("=");return{key:t.slice(0,r).toUpperCase(),value:t.slice(r+1),len:this.offset-e}}}},4210:(e,t,r)=>{"use strict";var a=r(8764).Buffer;Object.defineProperty(t,"__esModule",{value:!0}),t.VorbisParser=void 0;const i=r(3416),n=r(1227),s=r(441),o=r(2127),c=(0,n.default)("music-metadata:parser:ogg:vorbis1");t.VorbisParser=class{constructor(e,t){this.metadata=e,this.options=t,this.pageSegments=[]}parsePage(e,t){if(e.headerType.firstPage)this.parseFirstPage(e,t);else{if(e.headerType.continued){if(0===this.pageSegments.length)throw new Error("Cannot continue on previous page");this.pageSegments.push(t)}if(e.headerType.lastPage||!e.headerType.continued){if(this.pageSegments.length>0){const e=a.concat(this.pageSegments);this.parseFullPage(e)}this.pageSegments=e.headerType.lastPage?[]:[t]}}e.headerType.lastPage&&this.calculateDuration(e)}flush(){this.parseFullPage(a.concat(this.pageSegments))}parseUserComment(e,t){const r=new s.VorbisDecoder(e,t).parseUserComment();return this.addTag(r.key,r.value),r.len}addTag(e,t){if("METADATA_BLOCK_PICTURE"===e&&"string"==typeof t){if(this.options.skipCovers)return void c("Ignore picture");t=o.VorbisPictureToken.fromBase64(t),c(`Push picture: id=${e}, format=${t.format}`)}else c(`Push tag: id=${e}, value=${t}`);this.metadata.addTag("vorbis",e,t)}calculateDuration(e){this.metadata.format.sampleRate&&e.absoluteGranulePosition>=0&&(this.metadata.setFormat("numberOfSamples",e.absoluteGranulePosition),this.metadata.setFormat("duration",this.metadata.format.numberOfSamples/this.metadata.format.sampleRate))}parseFirstPage(e,t){this.metadata.setFormat("codec","Vorbis I"),c("Parse first page");const r=o.CommonHeader.get(t,0);if("vorbis"!==r.vorbis)throw new Error("Metadata does not look like Vorbis");if(1!==r.packetType)throw new Error("First Ogg page should be type 1: the identification header");{const e=o.IdentificationHeader.get(t,o.CommonHeader.len);this.metadata.setFormat("sampleRate",e.sampleRate),this.metadata.setFormat("bitrate",e.bitrateNominal),this.metadata.setFormat("numberOfChannels",e.channelMode),c("sample-rate=%s[hz], bitrate=%s[b/s], channel-mode=%s",e.sampleRate,e.bitrateNominal,e.channelMode)}}parseFullPage(e){const t=o.CommonHeader.get(e,0);if(c("Parse full page: type=%s, byteLength=%s",t.packetType,e.byteLength),3===t.packetType)return this.parseUserCommentList(e,o.CommonHeader.len)}parseUserCommentList(e,t){const r=i.UINT32_LE.get(e,t);t+=4,t+=r;let a=i.UINT32_LE.get(e,t);for(t+=4;a-- >0;)t+=this.parseUserComment(e,t)}}},9860:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.VorbisTagMapper=void 0;const a=r(9918),i={TITLE:"title",ARTIST:"artist",ARTISTS:"artists",ALBUMARTIST:"albumartist","ALBUM ARTIST":"albumartist",ALBUM:"album",DATE:"date",ORIGINALDATE:"originaldate",ORIGINALYEAR:"originalyear",COMMENT:"comment",TRACKNUMBER:"track",DISCNUMBER:"disk",GENRE:"genre",METADATA_BLOCK_PICTURE:"picture",COMPOSER:"composer",LYRICS:"lyrics",ALBUMSORT:"albumsort",TITLESORT:"titlesort",WORK:"work",ARTISTSORT:"artistsort",ALBUMARTISTSORT:"albumartistsort",COMPOSERSORT:"composersort",LYRICIST:"lyricist",WRITER:"writer",CONDUCTOR:"conductor",REMIXER:"remixer",ARRANGER:"arranger",ENGINEER:"engineer",PRODUCER:"producer",DJMIXER:"djmixer",MIXER:"mixer",LABEL:"label",GROUPING:"grouping",SUBTITLE:"subtitle",DISCSUBTITLE:"discsubtitle",TRACKTOTAL:"totaltracks",DISCTOTAL:"totaldiscs",COMPILATION:"compilation",RATING:"rating",BPM:"bpm",KEY:"key",MOOD:"mood",MEDIA:"media",CATALOGNUMBER:"catalognumber",RELEASESTATUS:"releasestatus",RELEASETYPE:"releasetype",RELEASECOUNTRY:"releasecountry",SCRIPT:"script",LANGUAGE:"language",COPYRIGHT:"copyright",LICENSE:"license",ENCODEDBY:"encodedby",ENCODERSETTINGS:"encodersettings",BARCODE:"barcode",ISRC:"isrc",ASIN:"asin",MUSICBRAINZ_TRACKID:"musicbrainz_recordingid",MUSICBRAINZ_RELEASETRACKID:"musicbrainz_trackid",MUSICBRAINZ_ALBUMID:"musicbrainz_albumid",MUSICBRAINZ_ARTISTID:"musicbrainz_artistid",MUSICBRAINZ_ALBUMARTISTID:"musicbrainz_albumartistid",MUSICBRAINZ_RELEASEGROUPID:"musicbrainz_releasegroupid",MUSICBRAINZ_WORKID:"musicbrainz_workid",MUSICBRAINZ_TRMID:"musicbrainz_trmid",MUSICBRAINZ_DISCID:"musicbrainz_discid",ACOUSTID_ID:"acoustid_id",ACOUSTID_ID_FINGERPRINT:"acoustid_fingerprint",MUSICIP_PUID:"musicip_puid",WEBSITE:"website",NOTES:"notes",TOTALTRACKS:"totaltracks",TOTALDISCS:"totaldiscs",DISCOGS_ARTIST_ID:"discogs_artist_id",DISCOGS_ARTISTS:"artists",DISCOGS_ARTIST_NAME:"artists",DISCOGS_ALBUM_ARTISTS:"albumartist",DISCOGS_CATALOG:"catalognumber",DISCOGS_COUNTRY:"releasecountry",DISCOGS_DATE:"originaldate",DISCOGS_LABEL:"label",DISCOGS_LABEL_ID:"discogs_label_id",DISCOGS_MASTER_RELEASE_ID:"discogs_master_release_id",DISCOGS_RATING:"discogs_rating",DISCOGS_RELEASED:"date",DISCOGS_RELEASE_ID:"discogs_release_id",DISCOGS_VOTES:"discogs_votes",CATALOGID:"catalognumber",STYLE:"genre",REPLAYGAIN_TRACK_GAIN:"replaygain_track_gain",REPLAYGAIN_TRACK_PEAK:"replaygain_track_peak",REPLAYGAIN_ALBUM_GAIN:"replaygain_album_gain",REPLAYGAIN_ALBUM_PEAK:"replaygain_album_peak",REPLAYGAIN_MINMAX:"replaygain_track_minmax",REPLAYGAIN_ALBUM_MINMAX:"replaygain_album_minmax",REPLAYGAIN_UNDO:"replaygain_undo"};class n extends a.CommonTagMapper{static toRating(e,t){return{source:e?e.toLowerCase():e,rating:parseFloat(t)*a.CommonTagMapper.maxRatingScore}}constructor(){super(["vorbis"],i)}postMap(e){if(0===e.id.indexOf("RATING:")){const t=e.id.split(":");e.value=n.toRating(t[1],e.value),e.id=t[0]}}}t.VorbisTagMapper=n},3211:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.ListInfoTagValue=t.Header=void 0;const a=r(3416);t.Header={len:8,get:(e,t)=>({chunkID:e.toString("binary",t,t+4),chunkSize:a.UINT32_LE.get(e,4)})},t.ListInfoTagValue=class{constructor(e){this.tagHeader=e,this.len=e.chunkSize,this.len+=1&this.len}get(e,t){return new a.StringType(this.tagHeader.chunkSize,"ascii").get(e,t)}}},5756:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.RiffInfoTagMapper=t.riffInfoTagMap=void 0;const a=r(9918);t.riffInfoTagMap={IART:"artist",ICRD:"date",INAM:"title",TITL:"title",IPRD:"album",ITRK:"track",COMM:"comment",ICMT:"comment",ICNT:"releasecountry",GNRE:"genre",IWRI:"writer",RATE:"rating",YEAR:"year",ISFT:"encodedby",CODE:"encodedby",TURL:"website",IGNR:"genre",IENG:"engineer",ITCH:"technician",IMED:"media",IRPD:"album"};class i extends a.CommonTagMapper{constructor(){super(["exif"],t.riffInfoTagMap)}}t.RiffInfoTagMapper=i},6032:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.TrackType=void 0;var a=r(8591);Object.defineProperty(t,"TrackType",{enumerable:!0,get:function(){return a.TrackType}})},8053:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.BroadcastAudioExtensionChunk=void 0;const a=r(3416);t.BroadcastAudioExtensionChunk={len:420,get:(e,t)=>({description:new a.StringType(256,"ascii").get(e,t).trim(),originator:new a.StringType(32,"ascii").get(e,t+256).trim(),originatorReference:new a.StringType(32,"ascii").get(e,t+288).trim(),originationDate:new a.StringType(10,"ascii").get(e,t+320).trim(),originationTime:new a.StringType(8,"ascii").get(e,t+330).trim(),timeReferenceLow:a.UINT32_LE.get(e,t+338),timeReferenceHigh:a.UINT32_LE.get(e,t+342),version:a.UINT16_LE.get(e,t+346),umid:new a.Uint8ArrayType(64).get(e,t+348),loudnessValue:a.UINT16_LE.get(e,t+412),maxTruePeakLevel:a.UINT16_LE.get(e,t+414),maxMomentaryLoudness:a.UINT16_LE.get(e,t+416),maxShortTermLoudness:a.UINT16_LE.get(e,t+418)})}},9975:(e,t)=>{"use strict";var r;Object.defineProperty(t,"__esModule",{value:!0}),t.FactChunk=t.Format=t.WaveFormat=void 0,(r=t.WaveFormat||(t.WaveFormat={}))[r.PCM=1]="PCM",r[r.ADPCM=2]="ADPCM",r[r.IEEE_FLOAT=3]="IEEE_FLOAT",r[r.MPEG_ADTS_AAC=5632]="MPEG_ADTS_AAC",r[r.MPEG_LOAS=5634]="MPEG_LOAS",r[r.RAW_AAC1=255]="RAW_AAC1",r[r.DOLBY_AC3_SPDIF=146]="DOLBY_AC3_SPDIF",r[r.DVM=8192]="DVM",r[r.RAW_SPORT=576]="RAW_SPORT",r[r.ESST_AC3=577]="ESST_AC3",r[r.DRM=9]="DRM",r[r.DTS2=8193]="DTS2",r[r.MPEG=80]="MPEG",t.Format=class{constructor(e){if(e.chunkSize<16)throw new Error("Invalid chunk size");this.len=e.chunkSize}get(e,t){return{wFormatTag:e.readUInt16LE(t),nChannels:e.readUInt16LE(t+2),nSamplesPerSec:e.readUInt32LE(t+4),nAvgBytesPerSec:e.readUInt32LE(t+8),nBlockAlign:e.readUInt16LE(t+12),wBitsPerSample:e.readUInt16LE(t+14)}}},t.FactChunk=class{constructor(e){if(e.chunkSize<4)throw new Error("Invalid fact chunk size.");this.len=e.chunkSize}get(e,t){return{dwSampleLength:e.readUInt32LE(t)}}}},2682:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.WaveParser=void 0;const a=r(5849),i=r(3416),n=r(1227),s=r(3211),o=r(9975),c=r(8928),u=r(3769),l=r(8049),d=r(7805),f=r(8053),p=(0,n.default)("music-metadata:parser:RIFF");class m extends d.BasicParser{async parse(){const e=await this.tokenizer.readToken(s.Header);if(p(`pos=${this.tokenizer.position}, parse: chunkID=${e.chunkID}`),"RIFF"===e.chunkID)return this.parseRiffChunk(e.chunkSize).catch((e=>{if(!(e instanceof a.EndOfStreamError))throw e}))}async parseRiffChunk(e){const t=await this.tokenizer.readToken(l.FourCcToken);if(this.metadata.setFormat("container",t),"WAVE"===t)return this.readWaveChunk(e-l.FourCcToken.len);throw new Error(`Unsupported RIFF format: RIFF/${t}`)}async readWaveChunk(e){for(;e>=s.Header.len;){const t=await this.tokenizer.readToken(s.Header);switch(e-=s.Header.len+t.chunkSize,t.chunkSize>e&&this.metadata.addWarning("Data chunk size exceeds file size"),this.header=t,p(`pos=${this.tokenizer.position}, readChunk: chunkID=RIFF/WAVE/${t.chunkID}`),t.chunkID){case"LIST":await this.parseListTag(t);break;case"fact":this.metadata.setFormat("lossless",!1),this.fact=await this.tokenizer.readToken(new o.FactChunk(t));break;case"fmt ":const e=await this.tokenizer.readToken(new o.Format(t));let r=o.WaveFormat[e.wFormatTag];r||(p("WAVE/non-PCM format="+e.wFormatTag),r="non-PCM ("+e.wFormatTag+")"),this.metadata.setFormat("codec",r),this.metadata.setFormat("bitsPerSample",e.wBitsPerSample),this.metadata.setFormat("sampleRate",e.nSamplesPerSec),this.metadata.setFormat("numberOfChannels",e.nChannels),this.metadata.setFormat("bitrate",e.nBlockAlign*e.nSamplesPerSec*8),this.blockAlign=e.nBlockAlign;break;case"id3 ":case"ID3 ":const n=await this.tokenizer.readToken(new i.Uint8ArrayType(t.chunkSize)),s=a.fromBuffer(n);await(new c.ID3v2Parser).parse(this.metadata,s,this.options);break;case"data":!1!==this.metadata.format.lossless&&this.metadata.setFormat("lossless",!0);let u=t.chunkSize;if(this.tokenizer.fileInfo.size){const e=this.tokenizer.fileInfo.size-this.tokenizer.position;e<u&&(this.metadata.addWarning("data chunk length exceeding file length"),u=e)}const l=this.fact?this.fact.dwSampleLength:4294967295===u?void 0:u/this.blockAlign;l&&(this.metadata.setFormat("numberOfSamples",l),this.metadata.setFormat("duration",l/this.metadata.format.sampleRate)),this.metadata.setFormat("bitrate",this.metadata.format.numberOfChannels*this.blockAlign*this.metadata.format.sampleRate),await this.tokenizer.ignore(t.chunkSize);break;case"bext":const d=await this.tokenizer.readToken(f.BroadcastAudioExtensionChunk);Object.keys(d).forEach((e=>{this.metadata.addTag("exif","bext."+e,d[e])}));break;case"\0\0\0\0":p(`Ignore padding chunk: RIFF/${t.chunkID} of ${t.chunkSize} bytes`),this.metadata.addWarning("Ignore chunk: RIFF/"+t.chunkID),await this.tokenizer.ignore(t.chunkSize);break;default:p(`Ignore chunk: RIFF/${t.chunkID} of ${t.chunkSize} bytes`),this.metadata.addWarning("Ignore chunk: RIFF/"+t.chunkID),await this.tokenizer.ignore(t.chunkSize)}this.header.chunkSize%2==1&&(p("Read odd padding byte"),await this.tokenizer.ignore(1))}}async parseListTag(e){const t=await this.tokenizer.readToken(new i.StringType(4,"binary"));return p("pos=%s, parseListTag: chunkID=RIFF/WAVE/LIST/%s",this.tokenizer.position,t),"INFO"===t?this.parseRiffInfoTags(e.chunkSize-4):(this.metadata.addWarning("Ignore chunk: RIFF/WAVE/LIST/"+t),p("Ignoring chunkID=RIFF/WAVE/LIST/"+t),this.tokenizer.ignore(e.chunkSize-4).then())}async parseRiffInfoTags(e){for(;e>=8;){const t=await this.tokenizer.readToken(s.Header),r=new s.ListInfoTagValue(t),a=await this.tokenizer.readToken(r);this.addTag(t.chunkID,u.stripNulls(a)),e-=8+r.len}if(0!==e)throw Error("Illegal remaining size: "+e)}addTag(e,t){this.metadata.addTag("exif",e,t)}}t.WaveParser=m},5870:(e,t,r)=>{"use strict";var a=r(8764).Buffer;Object.defineProperty(t,"__esModule",{value:!0}),t.WavPackParser=void 0;const i=r(3416),n=r(6742),s=r(8049),o=r(7805),c=r(2989),u=(0,r(1227).default)("music-metadata:parser:WavPack");class l extends o.BasicParser{async parse(){return this.audioDataSize=0,await this.parseWavPackBlocks(),n.APEv2Parser.tryParseApeHeader(this.metadata,this.tokenizer,this.options)}async parseWavPackBlocks(){do{if("wvpk"!==await this.tokenizer.peekToken(s.FourCcToken))break;const e=await this.tokenizer.readToken(c.WavPack.BlockHeaderToken);if("wvpk"!==e.BlockID)throw new Error("Invalid WavPack Block-ID");u(`WavPack header blockIndex=${e.blockIndex}, len=${c.WavPack.BlockHeaderToken.len}`),0!==e.blockIndex||this.metadata.format.container||(this.metadata.setFormat("container","WavPack"),this.metadata.setFormat("lossless",!e.flags.isHybrid),this.metadata.setFormat("bitsPerSample",e.flags.bitsPerSample),e.flags.isDSD||(this.metadata.setFormat("sampleRate",e.flags.samplingRate),this.metadata.setFormat("duration",e.totalSamples/e.flags.samplingRate)),this.metadata.setFormat("numberOfChannels",e.flags.isMono?1:2),this.metadata.setFormat("numberOfSamples",e.totalSamples),this.metadata.setFormat("codec",e.flags.isDSD?"DSD":"PCM"));const t=e.blockSize-(c.WavPack.BlockHeaderToken.len-8);await(0===e.blockIndex?this.parseMetadataSubBlock(e,t):this.tokenizer.ignore(t)),e.blockSamples>0&&(this.audioDataSize+=e.blockSize)}while(!this.tokenizer.fileInfo.size||this.tokenizer.fileInfo.size-this.tokenizer.position>=c.WavPack.BlockHeaderToken.len);this.metadata.setFormat("bitrate",8*this.audioDataSize/this.metadata.format.duration)}async parseMetadataSubBlock(e,t){for(;t>c.WavPack.MetadataIdToken.len;){const r=await this.tokenizer.readToken(c.WavPack.MetadataIdToken),n=await this.tokenizer.readNumber(r.largeBlock?i.UINT24_LE:i.UINT8),s=a.alloc(2*n-(r.isOddSize?1:0));switch(await this.tokenizer.readBuffer(s),u(`Metadata Sub-Blocks functionId=0x${r.functionId.toString(16)}, id.largeBlock=${r.largeBlock},data-size=${s.length}`),r.functionId){case 0:break;case 14:u("ID_DSD_BLOCK");const t=1<<s.readUInt8(0),a=e.flags.samplingRate*t*8;if(!e.flags.isDSD)throw new Error("Only expect DSD block if DSD-flag is set");this.metadata.setFormat("sampleRate",a),this.metadata.setFormat("duration",e.totalSamples/a);break;case 36:u("ID_ALT_TRAILER: trailer for non-wav files");break;case 38:this.metadata.setFormat("audioMD5",s);break;case 47:u(`ID_BLOCK_CHECKSUM: checksum=${s.toString("hex")}`);break;default:u(`Ignore unsupported meta-sub-block-id functionId=0x${r.functionId.toString(16)}`)}t-=c.WavPack.MetadataIdToken.len+(r.largeBlock?i.UINT24_LE.len:i.UINT8.len)+2*n,u(`remainingLength=${t}`),r.isOddSize&&this.tokenizer.ignore(1)}if(0!==t)throw new Error("metadata-sub-block should fit it remaining length")}}t.WavPackParser=l},2989:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.WavPack=void 0;const a=r(3416),i=r(8049),n=[6e3,8e3,9600,11025,12e3,16e3,22050,24e3,32e3,44100,48e3,64e3,88200,96e3,192e3,-1];class s{static isBitSet(e,t){return 1===s.getBitAllignedNumber(e,t,1)}static getBitAllignedNumber(e,t,r){return e>>>t&4294967295>>>32-r}}t.WavPack=s,s.BlockHeaderToken={len:32,get:(e,t)=>{const r=a.UINT32_LE.get(e,t+24),o={BlockID:i.FourCcToken.get(e,t),blockSize:a.UINT32_LE.get(e,t+4),version:a.UINT16_LE.get(e,t+8),totalSamples:a.UINT32_LE.get(e,t+12),blockIndex:a.UINT32_LE.get(e,t+16),blockSamples:a.UINT32_LE.get(e,t+20),flags:{bitsPerSample:8*(1+s.getBitAllignedNumber(r,0,2)),isMono:s.isBitSet(r,2),isHybrid:s.isBitSet(r,3),isJointStereo:s.isBitSet(r,4),crossChannel:s.isBitSet(r,5),hybridNoiseShaping:s.isBitSet(r,6),floatingPoint:s.isBitSet(r,7),samplingRate:n[s.getBitAllignedNumber(r,23,4)],isDSD:s.isBitSet(r,31)},crc:new a.Uint8ArrayType(4).get(e,t+28)};return o.flags.isDSD&&(o.totalSamples*=8),o}},s.MetadataIdToken={len:1,get:(e,t)=>({functionId:s.getBitAllignedNumber(e[t],0,6),isOptional:s.isBitSet(e[t],5),isOddSize:s.isBitSet(e[t],6),largeBlock:s.isBitSet(e[t],7)})}},8985:(e,t)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.Deferred=void 0,t.Deferred=class{constructor(){this.resolve=()=>null,this.reject=()=>null,this.promise=new 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