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DecrypeMusic/e495d03829e7f9f45920.worker.js
ChuXun 849d31c7a0 1
2025-10-19 20:58:35 +08:00

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/** @preserve
(c) 2012 by Cédric Mesnil. All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
return function(t){var 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r=0;r<16;r++){var n=t+r,a=e[n];e[n]=16711935&(a<<8|a>>>24)|4278255360&(a<<24|a>>>8)}var i,o,h,w,T,k,_,S,E,I,A,x=this._hash.words,B=f.words,C=d.words,P=s.words,O=c.words,M=u.words,D=l.words;k=i=x[0],_=o=x[1],S=h=x[2],E=w=x[3],I=T=x[4];for(r=0;r<80;r+=1)A=i+e[t+P[r]]|0,A+=r<16?p(o,h,w)+B[0]:r<32?m(o,h,w)+B[1]:r<48?g(o,h,w)+B[2]:r<64?y(o,h,w)+B[3]:b(o,h,w)+B[4],A|=0,A=v(A,M[r]),A=A+T|0,i=T,T=w,w=v(h,10),h=o,o=A,A=k+e[t+O[r]]|0,A+=r<16?b(_,S,E)+C[0]:r<32?y(_,S,E)+C[1]:r<48?g(_,S,E)+C[2]:r<64?m(_,S,E)+C[3]:p(_,S,E)+C[4],A|=0,A=v(A,D[r]),A=A+I|0,k=I,I=E,E=v(S,10),S=_,_=A;A=x[1]+h+E|0,x[1]=x[2]+w+I|0,x[2]=x[3]+T+k|0,x[3]=x[4]+i+_|0,x[4]=x[0]+o+S|0,x[0]=A},_doFinalize:function(){var e=this._data,t=e.words,r=8*this._nDataBytes,n=8*e.sigBytes;t[n>>>5]|=128<<24-n%32,t[14+(n+64>>>9<<4)]=16711935&(r<<8|r>>>24)|4278255360&(r<<24|r>>>8),e.sigBytes=4*(t.length+1),this._process();for(var a=this._hash,i=a.words,o=0;o<5;o++){var s=i[o];i[o]=16711935&(s<<8|s>>>24)|4278255360&(s<<24|s>>>8)}return a},clone:function(){var e=i.clone.call(this);return e._hash=this._hash.clone(),e}});function p(e,t,r){return e^t^r}function m(e,t,r){return e&t|~e&r}function g(e,t,r){return(e|~t)^r}function y(e,t,r){return e&r|t&~r}function b(e,t,r){return e^(t|~r)}function v(e,t){return e<<t|e>>>32-t}r.RIPEMD160=i._createHelper(h),r.HmacRIPEMD160=i._createHmacHelper(h)}(Math),e.RIPEMD160}))},1132:function(e,t,r){(function(t,n){e.exports=n(r("21bf"))})(0,(function(e){return function(){var t=e,r=t.lib,n=r.WordArray,a=t.enc;a.Base64={stringify:function(e){var t=e.words,r=e.sigBytes,n=this._map;e.clamp();for(var a=[],i=0;i<r;i+=3)for(var o=t[i>>>2]>>>24-i%4*8&255,s=t[i+1>>>2]>>>24-(i+1)%4*8&255,c=t[i+2>>>2]>>>24-(i+2)%4*8&255,u=o<<16|s<<8|c,l=0;l<4&&i+.75*l<r;l++)a.push(n.charAt(u>>>6*(3-l)&63));var f=n.charAt(64);if(f)while(a.length%4)a.push(f);return a.join("")},parse:function(e){var t=e.length,r=this._map,n=this._reverseMap;if(!n){n=this._reverseMap=[];for(var a=0;a<r.length;a++)n[r.charCodeAt(a)]=a}var o=r.charAt(64);if(o){var s=e.indexOf(o);-1!==s&&(t=s)}return i(e,t,n)},_map:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="};function i(e,t,r){for(var a=[],i=0,o=0;o<t;o++)if(o%4){var s=r[e.charCodeAt(o-1)]<<o%4*2,c=r[e.charCodeAt(o)]>>>6-o%4*2,u=s|c;a[i>>>2]|=u<<24-i%4*8,i++}return n.create(a,i)}}(),e.enc.Base64}))},1276:function(e,t,r){"use strict";var n=r("d784"),a=r("44e7"),i=r("825a"),o=r("1d80"),s=r("4840"),c=r("8aa5"),u=r("50c4"),l=r("14c3"),f=r("9263"),d=r("d039"),h=[].push,p=Math.min,m=4294967295,g=!d((function(){return!RegExp(m,"y")}));n("split",2,(function(e,t,r){var n;return n="c"=="abbc".split(/(b)*/)[1]||4!="test".split(/(?:)/,-1).length||2!="ab".split(/(?:ab)*/).length||4!=".".split(/(.?)(.?)/).length||".".split(/()()/).length>1||"".split(/.?/).length?function(e,r){var n=String(o(this)),i=void 0===r?m:r>>>0;if(0===i)return[];if(void 0===e)return[n];if(!a(e))return t.call(n,e,i);var s,c,u,l=[],d=(e.ignoreCase?"i":"")+(e.multiline?"m":"")+(e.unicode?"u":"")+(e.sticky?"y":""),p=0,g=new RegExp(e.source,d+"g");while(s=f.call(g,n)){if(c=g.lastIndex,c>p&&(l.push(n.slice(p,s.index)),s.length>1&&s.index<n.length&&h.apply(l,s.slice(1)),u=s[0].length,p=c,l.length>=i))break;g.lastIndex===s.index&&g.lastIndex++}return p===n.length?!u&&g.test("")||l.push(""):l.push(n.slice(p)),l.length>i?l.slice(0,i):l}:"0".split(void 0,0).length?function(e,r){return void 0===e&&0===r?[]:t.call(this,e,r)}:t,[function(t,r){var a=o(this),i=void 0==t?void 0:t[e];return void 0!==i?i.call(t,a,r):n.call(String(a),t,r)},function(e,a){var o=r(n,e,this,a,n!==t);if(o.done)return o.value;var f=i(e),d=String(this),h=s(f,RegExp),y=f.unicode,b=(f.ignoreCase?"i":"")+(f.multiline?"m":"")+(f.unicode?"u":"")+(g?"y":"g"),v=new h(g?f:"^(?:"+f.source+")",b),w=void 0===a?m:a>>>0;if(0===w)return[];if(0===d.length)return null===l(v,d)?[d]:[];var T=0,k=0,_=[];while(k<d.length){v.lastIndex=g?k:0;var S,E=l(v,g?d:d.slice(k));if(null===E||(S=p(u(v.lastIndex+(g?0:k)),d.length))===T)k=c(d,k,y);else{if(_.push(d.slice(T,k)),_.length===w)return _;for(var I=1;I<=E.length-1;I++)if(_.push(E[I]),_.length===w)return _;k=T=S}}return _.push(d.slice(T)),_}]}),!g)},1382:function(e,t,r){(function(t,n,a){e.exports=n(r("21bf"),r("1132"),r("72fe"),r("2b79"),r("38ba"))})(0,(function(e){return function(){var t=e,r=t.lib,n=r.StreamCipher,a=t.algo,i=[],o=[],s=[],c=a.Rabbit=n.extend({_doReset:function(){for(var e=this._key.words,t=this.cfg.iv,r=0;r<4;r++)e[r]=16711935&(e[r]<<8|e[r]>>>24)|4278255360&(e[r]<<24|e[r]>>>8);var n=this._X=[e[0],e[3]<<16|e[2]>>>16,e[1],e[0]<<16|e[3]>>>16,e[2],e[1]<<16|e[0]>>>16,e[3],e[2]<<16|e[1]>>>16],a=this._C=[e[2]<<16|e[2]>>>16,4294901760&e[0]|65535&e[1],e[3]<<16|e[3]>>>16,4294901760&e[1]|65535&e[2],e[0]<<16|e[0]>>>16,4294901760&e[2]|65535&e[3],e[1]<<16|e[1]>>>16,4294901760&e[3]|65535&e[0]];this._b=0;for(r=0;r<4;r++)u.call(this);for(r=0;r<8;r++)a[r]^=n[r+4&7];if(t){var i=t.words,o=i[0],s=i[1],c=16711935&(o<<8|o>>>24)|4278255360&(o<<24|o>>>8),l=16711935&(s<<8|s>>>24)|4278255360&(s<<24|s>>>8),f=c>>>16|4294901760&l,d=l<<16|65535&c;a[0]^=c,a[1]^=f,a[2]^=l,a[3]^=d,a[4]^=c,a[5]^=f,a[6]^=l,a[7]^=d;for(r=0;r<4;r++)u.call(this)}},_doProcessBlock:function(e,t){var r=this._X;u.call(this),i[0]=r[0]^r[5]>>>16^r[3]<<16,i[1]=r[2]^r[7]>>>16^r[5]<<16,i[2]=r[4]^r[1]>>>16^r[7]<<16,i[3]=r[6]^r[3]>>>16^r[1]<<16;for(var n=0;n<4;n++)i[n]=16711935&(i[n]<<8|i[n]>>>24)|4278255360&(i[n]<<24|i[n]>>>8),e[t+n]^=i[n]},blockSize:4,ivSize:2});function u(){for(var e=this._X,t=this._C,r=0;r<8;r++)o[r]=t[r];t[0]=t[0]+1295307597+this._b|0,t[1]=t[1]+3545052371+(t[0]>>>0<o[0]>>>0?1:0)|0,t[2]=t[2]+886263092+(t[1]>>>0<o[1]>>>0?1:0)|0,t[3]=t[3]+1295307597+(t[2]>>>0<o[2]>>>0?1:0)|0,t[4]=t[4]+3545052371+(t[3]>>>0<o[3]>>>0?1:0)|0,t[5]=t[5]+886263092+(t[4]>>>0<o[4]>>>0?1:0)|0,t[6]=t[6]+1295307597+(t[5]>>>0<o[5]>>>0?1:0)|0,t[7]=t[7]+3545052371+(t[6]>>>0<o[6]>>>0?1:0)|0,this._b=t[7]>>>0<o[7]>>>0?1:0;for(r=0;r<8;r++){var n=e[r]+t[r],a=65535&n,i=n>>>16,c=((a*a>>>17)+a*i>>>15)+i*i,u=((4294901760&n)*n|0)+((65535&n)*n|0);s[r]=c^u}e[0]=s[0]+(s[7]<<16|s[7]>>>16)+(s[6]<<16|s[6]>>>16)|0,e[1]=s[1]+(s[0]<<8|s[0]>>>24)+s[7]|0,e[2]=s[2]+(s[1]<<16|s[1]>>>16)+(s[0]<<16|s[0]>>>16)|0,e[3]=s[3]+(s[2]<<8|s[2]>>>24)+s[1]|0,e[4]=s[4]+(s[3]<<16|s[3]>>>16)+(s[2]<<16|s[2]>>>16)|0,e[5]=s[5]+(s[4]<<8|s[4]>>>24)+s[3]|0,e[6]=s[6]+(s[5]<<16|s[5]>>>16)+(s[4]<<16|s[4]>>>16)|0,e[7]=s[7]+(s[6]<<8|s[6]>>>24)+s[5]|0}t.Rabbit=n._createHelper(c)}(),e.Rabbit}))},"145e":function(e,t,r){"use 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c*r;case"milliseconds":case"millisecond":case"msecs":case"msec":case"ms":return c;default:return}}}}function u(e){var t=Math.abs(e);return t>=i?Math.round(e/i)+"d":t>=a?Math.round(e/a)+"h":t>=n?Math.round(e/n)+"m":t>=r?Math.round(e/r)+"s":e+"ms"}function l(e){var t=Math.abs(e);return t>=i?f(e,t,i,"day"):t>=a?f(e,t,a,"hour"):t>=n?f(e,t,n,"minute"):t>=r?f(e,t,r,"second"):e+" ms"}function f(e,t,r,n){var a=t>=1.5*r;return Math.round(e/r)+" "+n+(a?"s":"")}e.exports=function(e,t){t=t||{};var r=typeof e;if("string"===r&&e.length>0)return c(e);if("number"===r&&isFinite(e))return t.long?l(e):u(e);throw new Error("val is not a non-empty string or a valid number. val="+JSON.stringify(e))}},"14c3":function(e,t,r){var n=r("c6b6"),a=r("9263");e.exports=function(e,t){var r=e.exec;if("function"===typeof r){var i=r.call(e,t);if("object"!==typeof i)throw TypeError("RegExp exec method returned something other than an Object or null");return i}if("RegExp"!==n(e))throw TypeError("RegExp#exec called on incompatible receiver");return a.call(e,t)}},"150c":function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});const n=r("6f58"),a=r("98a7"),i=r("f654"),o=r("34eb"),s=o("music-metadata:parser:MP4:atom");t.Header={len:8,get:(e,t)=>{const r=n.UINT32_BE.get(e,t);if(r<0)throw new Error("Invalid atom header length");return{length:r,name:a.FourCcToken.get(e,t+4)}},put:(e,t,r)=>(n.UINT32_BE.put(e,t,r.length),a.FourCcToken.put(e,t+4,r.name))},t.ExtendedSize=n.UINT64_BE,t.ftyp={len:4,get:(e,t)=>({type:new n.StringType(4,"ascii").get(e,t)})},t.tkhd={len:4,get:(e,t)=>({type:new n.StringType(4,"ascii").get(e,t)})},t.mhdr={len:8,get:(e,t)=>({version:n.UINT8.get(e,t+0),flags:n.UINT24_BE.get(e,t+1),nextItemID:n.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&&s(`Warning: atom ${r} expected to be ${t}, but was actually ${e} bytes long.`)}}t.FixedLengthAtom=c;class u extends c{constructor(e){super(e,24,"mdhd"),this.len=e}get(e,t){return{version:n.UINT8.get(e,t+0),flags:n.UINT24_BE.get(e,t+1),creationTime:n.UINT32_BE.get(e,t+4),modificationTime:n.UINT32_BE.get(e,t+8),timeScale:n.UINT32_BE.get(e,t+12),duration:n.UINT32_BE.get(e,t+16),language:n.UINT16_BE.get(e,t+20),quality:n.UINT16_BE.get(e,t+22)}}}t.MdhdAtom=u;class l extends c{constructor(e){super(e,100,"mvhd"),this.len=e}get(e,t){return{version:n.UINT8.get(e,t),flags:n.UINT24_BE.get(e,t+1),creationTime:n.UINT32_BE.get(e,t+4),modificationTime:n.UINT32_BE.get(e,t+8),timeScale:n.UINT32_BE.get(e,t+12),duration:n.UINT32_BE.get(e,t+16),preferredRate:n.UINT32_BE.get(e,t+20),preferredVolume:n.UINT16_BE.get(e,t+24),previewTime:n.UINT32_BE.get(e,t+72),previewDuration:n.UINT32_BE.get(e,t+76),posterTime:n.UINT32_BE.get(e,t+80),selectionTime:n.UINT32_BE.get(e,t+84),selectionDuration:n.UINT32_BE.get(e,t+88),currentTime:n.UINT32_BE.get(e,t+92),nextTrackID:n.UINT32_BE.get(e,t+96)}}}t.MvhdAtom=l;class f{constructor(e){this.len=e}get(e,t){return{type:{set:n.UINT8.get(e,t+0),type:n.UINT24_BE.get(e,t+1)},locale:n.UINT24_BE.get(e,t+4),value:new n.BufferType(this.len-8).get(e,t+8)}}}t.DataAtom=f;class d{constructor(e){this.len=e}get(e,t){return{version:n.UINT8.get(e,t),flags:n.UINT24_BE.get(e,t+1),name:new n.StringType(this.len-4,"utf-8").get(e,t+4)}}}t.NameAtom=d;class h{constructor(e){this.len=e}get(e,t){return{version:n.UINT8.get(e,t),flags:n.UINT24_BE.get(e,t+1),creationTime:n.UINT32_BE.get(e,t+4),modificationTime:n.UINT32_BE.get(e,t+8),trackId:n.UINT32_BE.get(e,t+12),duration:n.UINT32_BE.get(e,t+20),layer:n.UINT16_BE.get(e,t+24),alternateGroup:n.UINT16_BE.get(e,t+26),volume:n.UINT16_BE.get(e,t+28)}}}t.TrackHeaderAtom=h;const p={len:8,get:(e,t)=>({version:n.UINT8.get(e,t),flags:n.UINT24_BE.get(e,t+1),numberOfEntries:n.UINT32_BE.get(e,t+4)})};class m{constructor(e){this.len=e}get(e,t){return{dataFormat:a.FourCcToken.get(e,t),dataReferenceIndex:n.UINT16_BE.get(e,t+10),description:new 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i=t.words,o=i[0],s=i[1],c=16711935&(o<<8|o>>>24)|4278255360&(o<<24|o>>>8),l=16711935&(s<<8|s>>>24)|4278255360&(s<<24|s>>>8),f=c>>>16|4294901760&l,d=l<<16|65535&c;n[0]^=c,n[1]^=f,n[2]^=l,n[3]^=d,n[4]^=c,n[5]^=f,n[6]^=l,n[7]^=d;for(a=0;a<4;a++)u.call(this)}},_doProcessBlock:function(e,t){var r=this._X;u.call(this),i[0]=r[0]^r[5]>>>16^r[3]<<16,i[1]=r[2]^r[7]>>>16^r[5]<<16,i[2]=r[4]^r[1]>>>16^r[7]<<16,i[3]=r[6]^r[3]>>>16^r[1]<<16;for(var n=0;n<4;n++)i[n]=16711935&(i[n]<<8|i[n]>>>24)|4278255360&(i[n]<<24|i[n]>>>8),e[t+n]^=i[n]},blockSize:4,ivSize:2});function u(){for(var e=this._X,t=this._C,r=0;r<8;r++)o[r]=t[r];t[0]=t[0]+1295307597+this._b|0,t[1]=t[1]+3545052371+(t[0]>>>0<o[0]>>>0?1:0)|0,t[2]=t[2]+886263092+(t[1]>>>0<o[1]>>>0?1:0)|0,t[3]=t[3]+1295307597+(t[2]>>>0<o[2]>>>0?1:0)|0,t[4]=t[4]+3545052371+(t[3]>>>0<o[3]>>>0?1:0)|0,t[5]=t[5]+886263092+(t[4]>>>0<o[4]>>>0?1:0)|0,t[6]=t[6]+1295307597+(t[5]>>>0<o[5]>>>0?1:0)|0,t[7]=t[7]+3545052371+(t[6]>>>0<o[6]>>>0?1:0)|0,this._b=t[7]>>>0<o[7]>>>0?1:0;for(r=0;r<8;r++){var 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n=r("ebb5"),a=r("b727").map,i=r("4840"),o=n.aTypedArray,s=n.aTypedArrayConstructor,c=n.exportTypedArrayMethod;c("map",(function(e){return a(o(this),e,arguments.length>1?arguments[1]:void 0,(function(e,t){return new(s(i(e,e.constructor)))(t)}))}))},4160:function(e,t,r){"use strict";var n=r("23e7"),a=r("17c2");n({target:"Array",proto:!0,forced:[].forEach!=a},{forEach:a})},"41db":function(e,t,r){"use strict";(function(e){Object.defineProperty(t,"__esModule",{value:!0});const n=r("34eb"),a=r("6f58"),i=r("d3ab"),o=r("0662"),s=n("music-metadata:id3v2:frame-parser"),c="iso-8859-1";class u{static readData(t,r,n,l){if(0===t.length)return;const{encoding:f,bom:d}=o.TextEncodingToken.get(t,0),h=t.length;let p=0,m=[];const g=u.getNullTerminatorLength(f);let y;const b={};switch(s(`Parsing tag type=${r}, encoding=${f}, bom=${d}`),"TXXX"!==r&&"T"===r[0]?"T*":r){case"T*":case"IPLS":const d=i.default.decodeString(t.slice(1),f).replace(/\x00+$/,"");switch(r){case"TMCL":case"TIPL":case"IPLS":m=u.splitValue(4,d),m=u.functionList(m);break;case"TRK":case"TRCK":case"TPOS":m=d;break;case"TCOM":case"TEXT":case"TOLY":case"TOPE":case"TPE1":case"TSRC":m=u.splitValue(n,d);break;default:m=n>=4?u.splitValue(n,d):[d]}break;case"TXXX":m=u.readIdentifierAndData(t,p+1,h,f),m={description:m.id,text:u.splitValue(n,i.default.decodeString(m.data,f).replace(/\x00+$/,""))};break;case"PIC":case"APIC":if(l){const r={};switch(p+=1,n){case 2:r.format=i.default.decodeString(t.slice(p,p+3),f),p+=3;break;case 3:case 4:y=i.default.findZero(t,p,h,c),r.format=i.default.decodeString(t.slice(p,y),c),p=y+1;break;default:throw new Error("Warning: unexpected major versionIndex: 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w=h-p;m={email:v,rating:t.readUInt8(p),counter:w>=5?t.readUInt32BE(p+1):void 0};break;case"GEOB":{y=i.default.findZero(t,p+1,h,f);const e=i.default.decodeString(t.slice(p+1,y),c);p=y+1,y=i.default.findZero(t,p,h-p,f);const r=i.default.decodeString(t.slice(p,y),c);p=y+1,y=i.default.findZero(t,p,h-p,f);const n=i.default.decodeString(t.slice(p,y),c);m={type:e,filename:r,description:n,data:t.slice(p+1,h)};break}case"WCOM":case"WCOP":case"WOAF":case"WOAR":case"WOAS":case"WORS":case"WPAY":case"WPUB":m=i.default.decodeString(t.slice(p,y),f);break;case"WXXX":{y=i.default.findZero(t,p+1,h,f);const e=i.default.decodeString(t.slice(p+1,y),c);p=y+1,m={description:e,url:i.default.decodeString(t.slice(p,h-p),f)};break}case"MCDI":m=t.slice(0,h);break;default:s("Warning: unsupported id3v2-tag-type: "+r);break}return m}static fixPictureMimeType(e){switch(e=e.toLocaleLowerCase(),e){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 n=e[r+1].split(",");t[e[r]]=t.hasOwnProperty(e[r])?t[e[r]].concat(n):n}return t}static splitValue(e,t){const r=t.split(e>=4?/\x00/g:/\//g);return u.trimArray(r)}static trimArray(e){for(let t=0;t<e.length;++t)e[t]=e[t].replace(/\x00+$/,"").trim();return e}static readIdentifierAndData(e,t,r,n){const a=i.default.findZero(e,t,r,n),o=i.default.decodeString(e.slice(t,a),n);return t=a+u.getNullTerminatorLength(n),{id:o,data:e.slice(t,r)}}static getNullTerminatorLength(e){return"utf16"===e?2:1}}t.default=u}).call(this,r("b639").Buffer)},"428f":function(e,t,r){var n=r("da84");e.exports=n},"429b":function(e,t,r){e.exports=r("faa1").EventEmitter},4362:function(e,t,r){t.nextTick=function(e){var t=Array.prototype.slice.call(arguments);t.shift(),setTimeout((function(){e.apply(null,t)}),0)},t.platform=t.arch=t.execPath=t.title="browser",t.pid=1,t.browser=!0,t.env={},t.argv=[],t.binding=function(e){throw new Error("No such module. (Possibly not yet loaded)")},function(){var e,n="/";t.cwd=function(){return n},t.chdir=function(t){e||(e=r("df7c")),n=e.resolve(t,n)}}(),t.exit=t.kill=t.umask=t.dlopen=t.uptime=t.memoryUsage=t.uvCounters=function(){},t.features={}},"44ad":function(e,t,r){var n=r("d039"),a=r("c6b6"),i="".split;e.exports=n((function(){return!Object("z").propertyIsEnumerable(0)}))?function(e){return"String"==a(e)?i.call(e,""):Object(e)}:Object},"44d2":function(e,t,r){var n=r("b622"),a=r("7c73"),i=r("9bf2"),o=n("unscopables"),s=Array.prototype;void 0==s[o]&&i.f(s,o,{configurable:!0,value:a(null)}),e.exports=function(e){s[o][e]=!0}},"44de":function(e,t,r){var n=r("da84");e.exports=function(e,t){var r=n.console;r&&r.error&&(1===arguments.length?r.error(e):r.error(e,t))}},"44e7":function(e,t,r){var n=r("861d"),a=r("c6b6"),i=r("b622"),o=i("match");e.exports=function(e){var t;return n(e)&&(void 0!==(t=e[o])?!!t:"RegExp"==a(e))}},4681:function(e,t,r){"use strict";var n=r("966d");function a(e,t){var r=this,a=this._readableState&&this._readableState.destroyed,i=this._writableState&&this._writableState.destroyed;return a||i?(t?t(e):!e||this._writableState&&this._writableState.errorEmitted||n.nextTick(o,this,e),this):(this._readableState&&(this._readableState.destroyed=!0),this._writableState&&(this._writableState.destroyed=!0),this._destroy(e||null,(function(e){!t&&e?(n.nextTick(o,r,e),r._writableState&&(r._writableState.errorEmitted=!0)):t&&t(e)})),this)}function i(){this._readableState&&(this._readableState.destroyed=!1,this._readableState.reading=!1,this._readableState.ended=!1,this._readableState.endEmitted=!1),this._writableState&&(this._writableState.destroyed=!1,this._writableState.ended=!1,this._writableState.ending=!1,this._writableState.finished=!1,this._writableState.errorEmitted=!1)}function o(e,t){e.emit("error",t)}e.exports={destroy:a,undestroy:i}},"46d9":function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});const n=r("fc97");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 a extends n.CommonTagMapper{constructor(){super(["exif"],t.riffInfoTagMap)}}t.RiffInfoTagMapper=a},4840:function(e,t,r){var n=r("825a"),a=r("1c0b"),i=r("b622"),o=i("species");e.exports=function(e,t){var r,i=n(e).constructor;return void 0===i||void 0==(r=n(i)[o])?t:a(r)}},4930:function(e,t,r){var n=r("d039");e.exports=!!Object.getOwnPropertySymbols&&!n((function(){return!String(Symbol())}))},"498a":function(e,t,r){"use strict";var n=r("23e7"),a=r("58a8").trim,i=r("c8d2");n({target:"String",proto:!0,forced:i("trim")},{trim:function(){return a(this)}})},"4b8f":function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});const n=r("6f58"),a=r("d3ab"),i=r("34eb"),o=i("music-metadata:parser:musepack:sv8"),s=new n.StringType(2,"binary"),c={len:5,get:(e,t)=>({crc:n.UINT32_LE.get(e,t),streamVersion:n.UINT8.get(e,t+4)})},u={len:2,get:(e,t)=>({sampleFrequency:[44100,48e3,37800,32e3][a.default.getBitAllignedNumber(e,t,0,3)],maxUsedBands:a.default.getBitAllignedNumber(e,t,3,5),channelCount:a.default.getBitAllignedNumber(e,t+1,0,4)+1,msUsed:a.default.isBitSet(e,t+1,4),audioBlockFrames:a.default.getBitAllignedNumber(e,t+1,5,3)})};class l{constructor(e){this.tokenizer=e}async readPacketHeader(){const e=await this.tokenizer.readToken(s),t=await this.readVariableSizeField();return{key:e,payloadLength:t.value-2-t.len}}async readStreamHeader(e){const t={};o(`Reading SH at offset=${this.tokenizer.position}`);const r=await this.tokenizer.readToken(c);e-=c.len,Object.assign(t,r),o(`SH.streamVersion = ${r.streamVersion}`);const n=await this.readVariableSizeField();e-=n.len,t.sampleCount=n.value;const a=await this.readVariableSizeField();e-=a.len,t.beginningOfSilence=a.value;const i=await this.tokenizer.readToken(u);return e-=u.len,Object.assign(t,i),await this.tokenizer.ignore(e),t}async readVariableSizeField(e=1,t=0){let r=await this.tokenizer.readNumber(n.UINT8);return 0===(128&r)?{len:e,value:t+r}:(r&=127,r+=t,this.readVariableSizeField(e+1,r<<7))}}t.StreamReader=l},"4ba9":function(e,t,r){(function(t,n,a){e.exports=n(r("21bf"),r("38ba"))})(0,(function(e){return e.mode.OFB=function(){var t=e.lib.BlockCipherMode.extend(),r=t.Encryptor=t.extend({processBlock:function(e,t){var r=this._cipher,n=r.blockSize,a=this._iv,i=this._keystream;a&&(i=this._keystream=a.slice(0),this._iv=void 0),r.encryptBlock(i,0);for(var o=0;o<n;o++)e[t+o]^=i[o]}});return t.Decryptor=r,t}(),e.mode.OFB}))},"4cc3":function(e,t,r){"use strict";(function(e){Object.defineProperty(t,"__esModule",{value:!0});const n=r("d3ab"),a=r("6f58");class i{static getParserForAttr(e){return i.attributeParsers[e]}static parseUnicodeAttr(e){return n.default.stripNulls(n.default.decodeString(e,"utf16le"))}static parseByteArrayAttr(t){const r=e.alloc(t.length);return t.copy(r),r}static parseBoolAttr(e,t=0){return 1===i.parseWordAttr(e,t)}static parseDWordAttr(e,t=0){return e.readUInt32LE(t)}static parseQWordAttr(e,t=0){return a.UINT64_LE.get(e,t)}static parseWordAttr(e,t=0){return e.readUInt16LE(t)}}t.AsfUtil=i,i.attributeParsers=[i.parseUnicodeAttr,i.parseByteArrayAttr,i.parseBoolAttr,i.parseDWordAttr,i.parseQWordAttr,i.parseWordAttr,i.parseByteArrayAttr]}).call(this,r("b639").Buffer)},"4d64":function(e,t,r){var n=r("fc6a"),a=r("50c4"),i=r("23cb"),o=function(e){return function(t,r,o){var s,c=n(t),u=a(c.length),l=i(o,u);if(e&&r!=r){while(u>l)if(s=c[l++],s!=s)return!0}else for(;u>l;l++)if((e||l in c)&&c[l]===r)return e||l||0;return!e&&-1}};e.exports={includes:o(!0),indexOf:o(!1)}},"4df4":function(e,t,r){"use strict";var n=r("0366"),a=r("7b0b"),i=r("9bdd"),o=r("e95a"),s=r("50c4"),c=r("8418"),u=r("35a1");e.exports=function(e){var t,r,l,f,d,h,p=a(e),m="function"==typeof this?this:Array,g=arguments.length,y=g>1?arguments[1]:void 0,b=void 0!==y,v=u(p),w=0;if(b&&(y=n(y,g>2?arguments[2]:void 0,2)),void 0==v||m==Array&&o(v))for(t=s(p.length),r=new m(t);t>w;w++)h=b?y(p[w],w):p[w],c(r,w,h);else for(f=v.call(p),d=f.next,r=new m;!(l=d.call(f)).done;w++)h=b?i(f,y,[l.value,w],!0):l.value,c(r,w,h);return r.length=w,r}},"4f83":function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});const n=r("21c2"),a=r("0662"),i=r("64a4"),o=r("1e78"),s=r("34eb"),c=r("95c9"),u=s("music-metadata:parser:ID3");class l extends c.BasicParser{constructor(){super(...arguments),this.id3parser=new i.ID3v2Parser}static async startsWithID3v2Header(e){return"ID3"===(await e.peekToken(a.ID3v2Header)).fileIdentifier}async parse(){try{await this.parseID3v2()}catch(e){if(!(e instanceof n.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._parse(),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(){const e=await this.tokenizer.peekToken(a.ID3v2Header);if("ID3"===e.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},"50c4":function(e,t,r){var n=r("a691"),a=Math.min;e.exports=function(e){return e>0?a(n(e),9007199254740991):0}},5135:function(e,t){var r={}.hasOwnProperty;e.exports=function(e,t){return r.call(e,t)}},5319:function(e,t,r){"use strict";var n=r("d784"),a=r("825a"),i=r("7b0b"),o=r("50c4"),s=r("a691"),c=r("1d80"),u=r("8aa5"),l=r("14c3"),f=Math.max,d=Math.min,h=Math.floor,p=/\$([$&'`]|\d\d?|<[^>]*>)/g,m=/\$([$&'`]|\d\d?)/g,g=function(e){return void 0===e?e:String(e)};n("replace",2,(function(e,t,r,n){var y=n.REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE,b=n.REPLACE_KEEPS_$0,v=y?"$":"$0";return[function(r,n){var a=c(this),i=void 0==r?void 0:r[e];return void 0!==i?i.call(r,a,n):t.call(String(a),r,n)},function(e,n){if(!y&&b||"string"===typeof n&&-1===n.indexOf(v)){var i=r(t,e,this,n);if(i.done)return i.value}var c=a(e),h=String(this),p="function"===typeof n;p||(n=String(n));var m=c.global;if(m){var T=c.unicode;c.lastIndex=0}var k=[];while(1){var _=l(c,h);if(null===_)break;if(k.push(_),!m)break;var S=String(_[0]);""===S&&(c.lastIndex=u(h,o(c.lastIndex),T))}for(var E="",I=0,A=0;A<k.length;A++){_=k[A];for(var x=String(_[0]),B=f(d(s(_.index),h.length),0),C=[],P=1;P<_.length;P++)C.push(g(_[P]));var O=_.groups;if(p){var M=[x].concat(C,B,h);void 0!==O&&M.push(O);var D=String(n.apply(void 0,M))}else D=w(x,h,B,C,O,n);B>=I&&(E+=h.slice(I,B)+D,I=B+x.length)}return E+h.slice(I)}];function w(e,r,n,a,o,s){var c=n+e.length,u=a.length,l=m;return void 0!==o&&(o=i(o),l=p),t.call(s,l,(function(t,i){var s;switch(i.charAt(0)){case"$":return"$";case"&":return e;case"`":return r.slice(0,n);case"'":return r.slice(c);case"<":s=o[i.slice(1,-1)];break;default:var l=+i;if(0===l)return t;if(l>u){var f=h(l/10);return 0===f?t:f<=u?void 0===a[f-1]?i.charAt(1):a[f-1]+i.charAt(1):t}s=a[l-1]}return void 0===s?"":s}))}}))},"53a8":function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});const n=r("34eb"),a=r("f654"),i=r("95c9"),o=r("4b8f"),s=r("9611"),c=r("98a7"),u=n("music-metadata:parser:musepack");class l extends i.BasicParser{constructor(){super(...arguments),this.audioLength=0}async parse(){const e=await this.tokenizer.readToken(c.FourCcToken);return a.equal(e,"MPCK","Magic number"),this.metadata.setFormat("container","Musepack, SV8"),this.parsePacket()}async parsePacket(){const e=new o.StreamReader(this.tokenizer);do{const t=await e.readPacketHeader();switch(u(`packet-header key=${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),s.APEv2Parser.tryParseApeHeader(this.metadata,this.tokenizer,this.options);default:throw new Error(`Unexpected header: ${t.key}`)}}while(1)}}t.MpcSv8Parser=l},"53d6":function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});const n=r("fc97");class a extends n.CommonTagMapper{constructor(e,t){const r={};for(const n of Object.keys(t))r[n.toUpperCase()]=t[n];super(e,r)}getCommonName(e){return this.tagMap[e.toUpperCase()]}}t.CaseInsensitiveTagMap=a},5658:function(e,t,r){"use strict";(function(e){Object.defineProperty(t,"__esModule",{value:!0});const n=r("f654"),a=r("6f58"),i=r("21c2"),o=r("34eb"),s=r("d3ab"),c=r("4f83"),u=r("ad3a"),l=o("music-metadata:parser:mpeg"),f=1024,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]},h=[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=s.default.getBitAllignedNumber(e,t+1,3,2),this.layer=p.LayerDescription[s.default.getBitAllignedNumber(e,t+1,5,2)],this.versionIndex>1&&0===this.layer?this.parseAdtsHeader(e,t):this.parseMpegHeader(e,t),this.isProtectedByCRC=!s.default.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=s.default.getBitAllignedNumber(e,t+2,0,4),this.sampRateFreqIndex=s.default.getBitAllignedNumber(e,t+2,4,2),this.padding=s.default.isBitSet(e,t+2,6),this.privateBit=s.default.isBitSet(e,t+2,7),this.channelModeIndex=s.default.getBitAllignedNumber(e,t+3,0,2),this.modeExtension=s.default.getBitAllignedNumber(e,t+3,2,2),this.isCopyrighted=s.default.isBitSet(e,t+3,4),this.isOriginalMedia=s.default.isBitSet(e,t+3,5),this.emphasis=s.default.getBitAllignedNumber(e,t+3,7,2),this.version=p.VersionID[this.versionIndex],this.channelMode=p.ChannelMode[this.channelModeIndex],this.codec=`MPEG ${this.version} Layer ${this.layer}`;const r=this.calcBitrate();if(!r)throw new Error("Cannot determine bit-rate");if(this.bitrate=1e3*r,this.samplingRate=this.calcSamplingRate(),null==this.samplingRate)throw new Error("Cannot determine sampling-rate")}parseAdtsHeader(e,t){l("layer=0 => ADTS"),this.version=2===this.versionIndex?4:2,this.container="ADTS/MPEG-"+this.version;const r=s.default.getBitAllignedNumber(e,t+2,0,2);this.codec="AAC",this.codecProfile=d.AudioObjectTypes[r],l(`MPEG-4 audio-codec=${this.codec}`);const n=s.default.getBitAllignedNumber(e,t+2,2,4);this.samplingRate=d.SamplingFrequencies[n],l(`sampling-rate=${this.samplingRate}`);const a=s.default.getBitAllignedNumber(e,t+2,7,3);this.mp4ChannelConfig=h[a],l(`channel-config=${this.mp4ChannelConfig.join("+")}`),this.frameLength=s.default.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]];const m={len:4,get:(e,t)=>new p(e,t)};function g(e){return"V"+(100-e)/10}class y 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=e.alloc(4),this.syncPeek={buf:e.alloc(f),len:0}}async _parse(){this.metadata.setFormat("lossless",!1);try{let e=!1;while(!e)await this.sync(),e=await this.parseCommonMpegHeader()}catch(e){if(!(e instanceof i.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: ${t} sec.`,t),this.metadata.setFormat("duration",t)}}}finalize(){const e=this.metadata.format,t=this.metadata.native.hasOwnProperty("ID3v1");if(e.duration&&this.tokenizer.fileInfo.size){const r=this.tokenizer.fileInfo.size-this.mpegOffset-(t?128:0);e.codecProfile&&"V"===e.codecProfile[0]&&this.metadata.setFormat("bitrate",8*r/e.duration)}else if(this.tokenizer.fileInfo.size&&"CBR"===e.codecProfile){const r=this.tokenizer.fileInfo.size-this.mpegOffset-(t?128:0),n=Math.round(r/this.frame_size)*this.samplesPerFrame;this.metadata.setFormat("numberOfSamples",n);const a=n/e.sampleRate;l("Calculate CBR duration based on file size: %s",a),this.metadata.setFormat("duration",a)}}async sync(){let e=!1;while(1){let t=0;if(this.syncPeek.len=await this.tokenizer.peekBuffer(this.syncPeek.buf,{length:f,mayBeLess:!0}),this.syncPeek.len<=256)throw new i.EndOfStreamError;while(1){if(e&&224===(224&this.syncPeek.buf[t]))return this.buf_frame_header[0]=p.SyncByte1,this.buf_frame_header[1]=this.syncPeek.buf[t],await this.tokenizer.ignore(t),l(`Sync at offset=${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 i.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{e=m.get(this.buf_frame_header,0)}catch(t){return await this.tokenizer.ignore(1),this.metadata.addWarning("Parse error: "+t.message),!1}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=${r}`);const n=r/8,a=n*e.bitrate/e.samplingRate+(e.padding?t:0);if(this.frame_size=Math.floor(a),this.audioFrameHeader=e,this.bitrates.push(e.bitrate),1===this.frameCount)return this.offset=m.len,await this.skipSideInformation(),!1;if(3===this.frameCount){if(this.areAllSame(this.bitrates)){if(this.samplesPerFrame=r,this.metadata.setFormat("codecProfile","CBR"),this.tokenizer.fileInfo.size)return!0}else if(this.metadata.format.duration)return!0;if(!this.options.duration)return!0}return this.options.duration&&4===this.frameCount&&(this.samplesPerFrame=r,this.calculateEofDuration=!0),this.offset=4,e.isProtectedByCRC?(await this.parseCrc(),!1):(await this.skipSideInformation(),!1)}async parseAdts(t){const r=e.alloc(3);await this.tokenizer.readBuffer(r),t.frameLength+=s.default.getBitAllignedNumber(r,0,0,11),this.tokenizer.ignore(t.frameLength-7),this.totalDataLength+=t.frameLength,this.samplesPerFrame=1024;const n=t.samplingRate/this.samplesPerFrame,a=0===this.frameCount?0:this.totalDataLength/this.frameCount,i=8*a*n+.5;if(this.metadata.setFormat("codecProfile",t.codecProfile),this.metadata.setFormat("bitrate",i),t.mp4ChannelConfig&&this.metadata.setFormat("numberOfChannels",t.mp4ChannelConfig.length),l(`frame-count=${this.frameCount}, size=${t.frameLength} bytes, bit-rate=${i}`),3===this.frameCount){if(!this.options.duration)return!0;this.calculateEofDuration=!0}return!1}async parseCrc(){return this.crc=await this.tokenizer.readNumber(a.INT16_BE),this.offset+=2,this.skipSideInformation()}async skipSideInformation(){const e=this.audioFrameHeader.calculateSideInfoLength();await this.tokenizer.readToken(new a.BufferType(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=await this.readXingInfoHeader(),t=g(e.vbrScale);return this.metadata.setFormat("codecProfile",t),null;case"Xtra":break;case"LAME":const r=await this.tokenizer.readToken(u.LameEncoderVersion);return this.offset+=u.LameEncoderVersion.len,this.metadata.setFormat("tool","LAME "+r),await this.skipFrameData(this.frame_size-this.offset),null}const t=this.frame_size-this.offset;return t<0?this.metadata.addWarning("Frame "+this.frameCount+"corrupt: negative frameDataLeft"):await this.skipFrameData(t),null}async readXingInfoHeader(){const e=await this.tokenizer.readToken(u.XingInfoTag);if(this.offset+=u.XingInfoTag.len,this.metadata.setFormat("tool",s.default.stripNulls(e.codec)),1===(1&e.headerFlags[3])){const t=this.audioFrameHeader.calcDuration(e.numFrames);return this.metadata.setFormat("duration",t),l("Get duration from Xing header: %s",this.metadata.format.duration),e}const t=this.frame_size-this.offset;return await this.skipFrameData(t),e}async skipFrameData(e){n.ok(e>=0,"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=y}).call(this,r("b639").Buffer)},5692:function(e,t,r){var n=r("c430"),a=r("c6cd");(e.exports=function(e,t){return a[e]||(a[e]=void 0!==t?t:{})})("versions",[]).push({version:"3.6.4",mode:n?"pure":"global",copyright:"© 2020 Denis Pushkarev (zloirock.ru)"})},"56ef":function(e,t,r){var n=r("d066"),a=r("241c"),i=r("7418"),o=r("825a");e.exports=n("Reflect","ownKeys")||function(e){var t=a.f(o(e)),r=i.f;return r?t.concat(r(e)):t}},5899:function(e,t){e.exports="\t\n\v\f\r                　\u2028\u2029\ufeff"},"58a8":function(e,t,r){var n=r("1d80"),a=r("5899"),i="["+a+"]",o=RegExp("^"+i+i+"*"),s=RegExp(i+i+"*$"),c=function(e){return function(t){var r=String(n(t));return 1&e&&(r=r.replace(o,"")),2&e&&(r=r.replace(s,"")),r}};e.exports={start:c(1),end:c(2),trim:c(3)}},5980:function(e,t,r){(function(t,n){e.exports=n(r("21bf"))})(0,(function(e){(function(){var t=e,r=t.lib,n=r.Base,a=t.enc,i=a.Utf8,o=t.algo;o.HMAC=n.extend({init:function(e,t){e=this._hasher=new e.init,"string"==typeof t&&(t=i.parse(t));var r=e.blockSize,n=4*r;t.sigBytes>n&&(t=e.finalize(t)),t.clamp();for(var a=this._oKey=t.clone(),o=this._iKey=t.clone(),s=a.words,c=o.words,u=0;u<r;u++)s[u]^=1549556828,c[u]^=909522486;a.sigBytes=o.sigBytes=n,this.reset()},reset:function(){var e=this._hasher;e.reset(),e.update(this._iKey)},update:function(e){return this._hasher.update(e),this},finalize:function(e){var t=this._hasher,r=t.finalize(e);t.reset();var n=t.finalize(this._oKey.clone().concat(r));return n}})})()}))},"599d":function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});const n=r("6f58");class a{constructor(e,t){this.data=e,this.offset=t}readInt32(){const e=n.UINT32_LE.get(this.data,this.offset);return this.offset+=4,e}readStringUtf8(){const e=this.readInt32(),t=this.data.toString("utf8",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}}}t.VorbisDecoder=a},"5a49":function(e,t,r){"use strict";(function(e){async function r(r){if(r.fileSize>=143){const n=e.alloc(15);await r.randomRead(n,0,n.length,r.fileSize-143);const a=n.toString("binary"),i=a.substr(6);if(i===t.endTag2)return parseInt(a.substr(0,6),10)+15}return 0}Object.defineProperty(t,"__esModule",{value:!0}),t.endTag2="LYRICS200",t.getLyricsHeaderLength=r}).call(this,r("b639").Buffer)},"5b7a":function(e,t,r){"use strict";t.stringToBytes=e=>[...e].map(e=>e.charCodeAt(0));const n=(e,t,r)=>String.fromCharCode(...e.slice(t,r));t.tarHeaderChecksumMatches=e=>{if(e.length<512)return!1;const t=128;let r=256,a=0;for(let n=0;n<148;n++){const i=e[n];r+=i,a+=i&t}for(let n=156;n<512;n++){const i=e[n];r+=i,a+=i&t}const i=parseInt(n(e,148,154),8);return(i===r||i===r-(a<<1))},t.uint8ArrayUtf8ByteString=n,t.uint32SyncSafeToken={get:(e,t)=>127&e[t+3]|e[t+2]<<7|e[t+1]<<14|e[t]<<21,len:4}},"5c6c":function(e,t){e.exports=function(e,t){return{enumerable:!(1&e),configurable:!(2&e),writable:!(4&e),value:t}}},"5cc6":function(e,t,r){var n=r("74e8");n("Uint8",(function(e){return function(t,r,n){return e(this,t,r,n)}}))},"5cf0":function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});const n=r("d485");class a extends n.Readable{constructor(e){super(),this.bytesRead=0,this.released=!1,this.reader=e.getReader()}async _read(){if(this.released)return void this.push(null);this.pendingRead=this.reader.read();const e=await this.pendingRead;delete this.pendingRead,e.done||this.released?this.push(null):(this.bytesRead+=e.value.length,this.push(e.value))}async waitForReadToComplete(){this.pendingRead&&await this.pendingRead}async close(){await this.syncAndRelease()}async syncAndRelease(){this.released=!0,await this.waitForReadToComplete(),await this.reader.releaseLock()}}t.ReadableWebToNodeStream=a},"5e1a":function(e,t,r){"use strict";function n(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var a=r("8707").Buffer,i=r(1);function o(e,t,r){e.copy(t,r)}e.exports=function(){function e(){n(this,e),this.head=null,this.tail=null,this.length=0}return e.prototype.push=function(e){var t={data:e,next:null};this.length>0?this.tail.next=t:this.head=t,this.tail=t,++this.length},e.prototype.unshift=function(e){var t={data:e,next:this.head};0===this.length&&(this.tail=t),this.head=t,++this.length},e.prototype.shift=function(){if(0!==this.length){var e=this.head.data;return 1===this.length?this.head=this.tail=null:this.head=this.head.next,--this.length,e}},e.prototype.clear=function(){this.head=this.tail=null,this.length=0},e.prototype.join=function(e){if(0===this.length)return"";var t=this.head,r=""+t.data;while(t=t.next)r+=e+t.data;return r},e.prototype.concat=function(e){if(0===this.length)return a.alloc(0);if(1===this.length)return this.head.data;var t=a.allocUnsafe(e>>>0),r=this.head,n=0;while(r)o(r.data,t,n),n+=r.data.length,r=r.next;return t},e}(),i&&i.inspect&&i.inspect.custom&&(e.exports.prototype[i.inspect.custom]=function(){var e=i.inspect({length:this.length});return this.constructor.name+" "+e})},"5ea2":function(e,t,r){"use strict";(function(e){Object.defineProperty(t,"__esModule",{value:!0});const n=r("34eb"),a=r("6f58"),i=r("f654"),o=r("95c9"),s=r("bef3"),c=r("150c"),u=r("1e78"),l=r("cec2"),f=n("music-metadata:parser:MP4"),d="iTunes",h={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 o.BasicParser{static read_BE_Signed_Integer(e){return a.readIntBE(e,0,e.length)}static read_BE_Unsigned_Integer(e){return a.readUIntBE(e,0,e.length)}async parse(){this.tracks=[];let e=this.tokenizer.fileInfo.size;while(!this.tokenizer.fileInfo.size||e>0){try{await this.tokenizer.peekToken(c.Header)}catch(n){const e=`Error at offset=${this.tokenizer.position}: ${n.message}`;f(e),this.addWarning(e);break}const t=await s.Atom.readAtom(this.tokenizer,e=>this.handleAtom(e),null);e-=t.header.length}const t=[];this.tracks.forEach(e=>{const r=[];e.soundSampleDescription.forEach(e=>{const t={},n=h[e.dataFormat];if(n?(r.push(n.format),t.codecName=n.format):t.codecName=`<${e.dataFormat}>`,e.description){const{description:r}=e;r.sampleRate>0&&(t.type=l.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.sampleRate>0);if(r.length>=1){const e=r[0],t=e.duration/e.timeScale;this.metadata.setFormat("duration",t);const n=e.soundSampleDescription[0];n.description&&(this.metadata.setFormat("sampleRate",n.description.sampleRate),this.metadata.setFormat("bitsPerSample",n.description.sampleSize),this.metadata.setFormat("numberOfChannels",n.description.numAudioChannels));const a=h[n.dataFormat];a&&this.metadata.setFormat("lossless",!a.lossy),this.calculateBitRate()}}async handleAtom(e){if(e.parent)switch(e.parent.header.name){case"ilst":case"<id>":return this.parseMetadataItemData(e);case"stbl":switch(e.header.name){case"stsd":return this.parseAtom_stsd(e.getPayloadLength());case"stsc":return this.parseAtom_stsc(e.getPayloadLength());case"stts":return this.parseAtom_stts(e.getPayloadLength());case"stsz":return this.parseAtom_stsz(e.getPayloadLength());case"stco":return this.parseAtom_stco(e.getPayloadLength());default:f(`Ignore: stbl/${e.header.name} atom`)}break}switch(e.header.name){case"ftyp":const t=await this.parseAtom_ftyp(e.getPayloadLength());f(`ftyp: ${t.join("/")}`);const r=t.filter(p).join("/");return void this.metadata.setFormat("container",r);case"mdhd":return this.parseAtom_mdhd(e);case"mvhd":return this.parseAtom_mvhd(e);case"mdat":this.audioLengthInBytes=e.getPayloadLength(),this.calculateBitRate();break}switch(e.header.name){case"ftyp":const t=await this.parseAtom_ftyp(e.getPayloadLength());f(`ftyp: ${t.join("/")}`);const r=t.filter(p).join("/");return void this.metadata.setFormat("container",r);case"mdhd":return this.parseAtom_mdhd(e);case"mvhd":return this.parseAtom_mvhd(e);case"chap":const n=this.getTrackDescription();return void(n.chapterList=await this.parseAtom_chap(e));case"tkhd":return void await this.parseAtom_tkhd(e.getPayloadLength());case"mdat":return this.audioLengthInBytes=e.getPayloadLength(),this.calculateBitRate(),this.parseAtom_mdat(e.getPayloadLength())}await this.tokenizer.ignore(e.getPayloadLength()),f(`Ignore atom data: path=${e.atomPath}, payload-len=${e.getPayloadLength()}`)}getTrackDescription(){return this.tracks[this.tracks.length-1]}calculateBitRate(){this.audioLengthInBytes&&this.metadata.format.duration&&this.metadata.setFormat("bitrate",8*this.audioLengthInBytes/this.metadata.format.duration)}addTag(e,t){this.metadata.addTag(d,e,t)}addWarning(e){f("Warning: "+e),this.metadata.addWarning(e)}parseMetadataItemData(e){let t=e.header.name;return e.readAtoms(this.tokenizer,async e=>{switch(e.header.name){case"data":return this.parseValueAtom(t,e);case"name":const r=await this.tokenizer.readToken(new c.NameAtom(e.getPayloadLength()));t+=":"+r.name;break;case"mean":const n=await this.tokenizer.readToken(new c.NameAtom(e.getPayloadLength()));t+=":"+n.name;break;default:const i=await this.tokenizer.readToken(new a.BufferType(e.getPayloadLength()));this.addWarning("Unsupported meta-item: "+t+"["+e.header.name+"] => value="+i.toString("hex")+" ascii="+i.toString("ascii"))}},e.getPayloadLength())}async parseValueAtom(t,r){const n=await this.tokenizer.readToken(new c.DataAtom(r.header.length-c.Header.len));if(0!==n.type.set)throw new Error("Unsupported type-set != 0: "+n.type.set);switch(n.type.type){case 0:switch(t){case"trkn":case"disk":const e=a.UINT8.get(n.value,3),r=a.UINT8.get(n.value,5);this.addTag(t,e+"/"+r);break;case"gnre":const i=a.UINT8.get(n.value,1),o=u.Genres[i-1];this.addTag(t,o);break;default:}break;case 1:case 18:this.addTag(t,n.value.toString("utf-8"));break;case 13:if(this.options.skipCovers)break;this.addTag(t,{format:"image/jpeg",data:e.from(n.value)});break;case 14:if(this.options.skipCovers)break;this.addTag(t,{format:"image/png",data:e.from(n.value)});break;case 21:this.addTag(t,m.read_BE_Signed_Integer(n.value));break;case 22:this.addTag(t,m.read_BE_Unsigned_Integer(n.value));break;case 65:this.addTag(t,n.value.readInt8(0));break;case 66:this.addTag(t,n.value.readInt16BE(0));break;case 67:this.addTag(t,n.value.readInt32BE(0));break;default:this.addWarning(`atom key=${t}, has unknown well-known-type (data-type): ${n.type.type}`)}}async parseAtom_mvhd(e){await this.tokenizer.ignore(e.getPayloadLength())}async parseAtom_mdhd(e){const t=await this.tokenizer.readToken(new c.MdhdAtom(e.getPayloadLength())),r=this.getTrackDescription();r.creationTime=t.creationTime,r.modificationTime=t.modificationTime,r.timeScale=t.timeScale,r.duration=t.duration}async parseAtom_ftyp(e){const t=await this.tokenizer.readToken(c.ftyp);if(e-=c.ftyp.len,e>0){const r=await this.parseAtom_ftyp(e),n=t.type.replace(/\W/g,"");return n.length>0&&r.push(n),r}return[]}async parseAtom_tkhd(e){const t=await this.tokenizer.readToken(new c.TrackHeaderAtom(e));this.tracks.push(t)}async parseAtom_stsd(e){const t=await this.tokenizer.readToken(new c.StsdAtom(e)),r=this.getTrackDescription();r.soundSampleDescription=t.table.map(e=>this.parseSoundSampleDescription(e))}async parseAtom_stsc(e){const t=await this.tokenizer.readToken(new c.StscAtom(e));this.getTrackDescription().sampleToChunkTable=t.entries}async parseAtom_stts(e){const t=await this.tokenizer.readToken(new c.SttsAtom(e));this.getTrackDescription().timeToSampleTable=t.entries}parseSoundSampleDescription(e){const t={dataFormat:e.dataFormat,dataReferenceIndex:e.dataReferenceIndex};let r=0;const n=c.SoundSampleDescriptionVersion.get(e.description,r);return r+=c.SoundSampleDescriptionVersion.len,0===n.version||1===n.version?t.description=c.SoundSampleDescriptionV0.get(e.description,r):f(`Warning: sound-sample-description ${n} not implemented`),t}async parseAtom_chap(e){const t=[];let r=e.getPayloadLength();while(r>=a.UINT32_BE.len)t.push(await this.tokenizer.readNumber(a.UINT32_BE)),r-=a.UINT32_BE.len;return t}async parseAtom_stsz(e){const t=await this.tokenizer.readToken(new c.StszAtom(e)),r=this.getTrackDescription();r.sampleSize=t.sampleSize,r.sampleSizeTable=t.entries}async parseAtom_stco(e){const t=await 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t=e.target,r=t.targetTypeValue?o.TargetType[t.targetTypeValue]:t.targetType?t.targetType:o.TargetType.album;e.simpleTags.forEach(e=>{const t=e.string?e.string:e.binary;this.addTag(`${r}:${e.name}`,t)})}),e.segment.attachments&&e.segment.attachments.attachedFiles.filter(e=>e.mimeType.startsWith("image/")).map(e=>({data:e.data,format:e.mimeType,description:e.description,name:e.name})).forEach(e=>{this.addTag("picture",e)})}}}async parseContainer(e,t,r){const n={};while(this.tokenizer.position<t){const t=await this.readElement(),a=e[t.id];if(a)if(a.container){const e=await this.parseContainer(a.container,this.tokenizer.position+t.len,r.concat([a.name]));a.multiple?(n[a.name]||(n[a.name]=[]),n[a.name].push(e)):n[a.name]=e}else n[a.name]=await this.parserMap.get(a.value)(t);else switch(t.id){case 236:this.padding+=t.len,await this.tokenizer.ignore(t.len);break;default:c(`parseEbml: path=${r.join("/")}, unknown element: id=${t.id.toString(16)}`),this.padding+=t.len,await 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p{}p.BlockHeader={len:4,get:(e,t)=>({lastBlock:n.default.strtokBITSET.get(e,t,7),type:n.default.getBitAllignedNumber(e,t,1,7),length:a.UINT24_BE.get(e,t+1)})},p.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.default.getBitAllignedNumber(e,t+12,4,3)+1,bitsPerSample:n.default.getBitAllignedNumber(e,t+12,7,5)+1,totalSamples:n.default.getBitAllignedNumber(e,t+13,4,36),fileMD5:new a.BufferType(16).get(e,t+18)})}},a078:function(e,t,r){var n=r("7b0b"),a=r("50c4"),i=r("35a1"),o=r("e95a"),s=r("0366"),c=r("ebb5").aTypedArrayConstructor;e.exports=function(e){var t,r,u,l,f,d,h=n(e),p=arguments.length,m=p>1?arguments[1]:void 0,g=void 0!==m,y=i(h);if(void 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e=this._key,t=e.words,r=[],n=0;n<56;n++){var a=o[n]-1;r[n]=t[a>>>5]>>>31-a%32&1}for(var i=this._subKeys=[],u=0;u<16;u++){var l=i[u]=[],f=c[u];for(n=0;n<24;n++)l[n/6|0]|=r[(s[n]-1+f)%28]<<31-n%6,l[4+(n/6|0)]|=r[28+(s[n+24]-1+f)%28]<<31-n%6;l[0]=l[0]<<1|l[0]>>>31;for(n=1;n<7;n++)l[n]=l[n]>>>4*(n-1)+3;l[7]=l[7]<<5|l[7]>>>27}var d=this._invSubKeys=[];for(n=0;n<16;n++)d[n]=i[15-n]},encryptBlock:function(e,t){this._doCryptBlock(e,t,this._subKeys)},decryptBlock:function(e,t){this._doCryptBlock(e,t,this._invSubKeys)},_doCryptBlock:function(e,t,r){this._lBlock=e[t],this._rBlock=e[t+1],d.call(this,4,252645135),d.call(this,16,65535),h.call(this,2,858993459),h.call(this,8,16711935),d.call(this,1,1431655765);for(var n=0;n<16;n++){for(var a=r[n],i=this._lBlock,o=this._rBlock,s=0,c=0;c<8;c++)s|=u[c][((o^a[c])&l[c])>>>0];this._lBlock=o,this._rBlock=i^s}var f=this._lBlock;this._lBlock=this._rBlock,this._rBlock=f,d.call(this,1,1431655765),h.call(this,8,16711935),h.call(this,2,858993459),d.call(this,16,65535),d.call(this,4,252645135),e[t]=this._lBlock,e[t+1]=this._rBlock},keySize:2,ivSize:2,blockSize:2});function d(e,t){var r=(this._lBlock>>>e^this._rBlock)&t;this._rBlock^=r,this._lBlock^=r<<e}function h(e,t){var r=(this._rBlock>>>e^this._lBlock)&t;this._lBlock^=r,this._rBlock^=r<<e}t.DES=a._createHelper(f);var p=i.TripleDES=a.extend({_doReset:function(){var e=this._key,t=e.words;if(2!==t.length&&4!==t.length&&t.length<6)throw new Error("Invalid key length - 3DES requires the key length to be 64, 128, 192 or >192.");var r=t.slice(0,2),a=t.length<4?t.slice(0,2):t.slice(2,4),i=t.length<6?t.slice(0,2):t.slice(4,6);this._des1=f.createEncryptor(n.create(r)),this._des2=f.createEncryptor(n.create(a)),this._des3=f.createEncryptor(n.create(i))},encryptBlock:function(e,t){this._des1.encryptBlock(e,t),this._des2.decryptBlock(e,t),this._des3.encryptBlock(e,t)},decryptBlock:function(e,t){this._des3.decryptBlock(e,t),this._des2.encryptBlock(e,t),this._des1.decryptBlock(e,t)},keySize:6,ivSize:2,blockSize:2});t.TripleDES=a._createHelper(p)}(),e.TripleDES}))},a4e1:function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});const n=r("34eb"),a=r("6f58"),i=r("53a8"),o=r("b85b"),s=r("4f83"),c=n("music-metadata:parser:musepack");class u extends s.AbstractID3Parser{async _parse(){const e=await this.tokenizer.peekToken(new a.StringType(3,"binary"));let t;switch(e){case"MP+":c("Musepack stream-version 7"),t=new o.MpcSv7Parser;break;case"MPC":c("Musepack stream-version 8"),t=new 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Error("Cannot continue on previous page");this.pageSegments.push(r)}if(t.headerType.lastPage||!t.headerType.continued){if(this.pageSegments.length>0){const t=e.concat(this.pageSegments);this.parseFullPage(t)}this.pageSegments=t.headerType.lastPage?[]:[r]}}t.headerType.lastPage&&this.calculateDuration(t)}flush(){this.parseFullPage(e.concat(this.pageSegments))}parseUserComment(e,t){const r=new i.VorbisDecoder(e,t),n=r.parseUserComment();return this.addTag(n.key,n.value),n.len}addTag(e,t){if("METADATA_BLOCK_PICTURE"===e&&"string"===typeof t){if(this.options.skipCovers)return void s("Ignore picture");t=o.VorbisPictureToken.fromBase64(t),s(`Push picture: id=${e}, format=${t.format}`)}else s(`Push tag: id=${e}, value=${t}`);this.metadata.addTag("vorbis",e,t)}parseFirstPage(e,t){this.metadata.setFormat("codec","Vorbis I"),s("Parse first page");const r=o.CommonHeader.get(t,0);if("vorbis"!==r.vorbis)throw new Error("Metadata does not look like Vorbis");if(1!==r.packetType)throw new Error("First Ogg page should be type 1: the identification header");{const e=o.IdentificationHeader.get(t,o.CommonHeader.len);this.metadata.setFormat("sampleRate",e.sampleRate),this.metadata.setFormat("bitrate",e.bitrateNominal),this.metadata.setFormat("numberOfChannels",e.channelMode),s("sample-rate=%s[hz], bitrate=%s[b/s], channel-mode=%s",e.sampleRate,e.bitrateNominal,e.channelMode)}}parseFullPage(e){const t=o.CommonHeader.get(e,0);switch(s("Parse full page: type=%s, byteLength=%s",t.packetType,e.byteLength),t.packetType){case 3:return this.parseUserCommentList(e,o.CommonHeader.len);case 1:case 5:break}}calculateDuration(e){this.metadata.format.sampleRate&&e.absoluteGranulePosition>=0&&(this.metadata.setFormat("numberOfSamples",e.absoluteGranulePosition),this.metadata.setFormat("duration",this.metadata.format.numberOfSamples/this.metadata.format.sampleRate))}parseUserCommentList(e,t){const r=n.UINT32_LE.get(e,t);t+=4,t+=r;let a=n.UINT32_LE.get(e,t);t+=4;while(a-- >0)t+=this.parseUserComment(e,t)}}t.VorbisParser=c}).call(this,r("b639").Buffer)},bef3:function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});const n=r("34eb"),a=r("150c"),i=n("music-metadata:parser:MP4:Atom");class o{constructor(e,t,r){this.header=e,this.extended=t,this.parent=r,this.children=[],this.atomPath=(this.parent?this.parent.atomPath+".":"")+this.header.name}static async readAtom(e,t,r){const n=e.position,s=await e.readToken(a.Header),c=1===s.length;c&&(s.length=await e.readToken(a.ExtendedSize));const u=new o(s,c,r);return i(`parse atom name=${u.atomPath}, extended=${u.extended}, offset=${n}, len=${u.header.length}`),await u.readData(e,t),u}getHeaderLength(){return this.extended?16:8}getPayloadLength(){return this.header.length-this.getHeaderLength()}async readAtoms(e,t,r){while(r>0){const n=await o.readAtom(e,t,this);this.children.push(n),r-=n.header.length}}async readData(e,t){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());case"meta":return await e.ignore(4),this.readAtoms(e,t,this.getPayloadLength()-4);case"mdhd":case"mvhd":case"tkhd":case"stsz":case"mdat":default:return t(this)}}}t.Atom=o},c04e:function(e,t,r){var n=r("861d");e.exports=function(e,t){if(!n(e))return e;var r,a;if(t&&"function"==typeof(r=e.toString)&&!n(a=r.call(e)))return a;if("function"==typeof(r=e.valueOf)&&!n(a=r.call(e)))return a;if(!t&&"function"==typeof(r=e.toString)&&!n(a=r.call(e)))return a;throw TypeError("Can't convert object to primitive value")}},c198:function(e,t,r){(function(t,n,a){e.exports=n(r("21bf"),r("1132"),r("72fe"),r("2b79"),r("38ba"))})(0,(function(e){return function(){var t=e,r=t.lib,n=r.BlockCipher,a=t.algo,i=[],o=[],s=[],c=[],u=[],l=[],f=[],d=[],h=[],p=[];(function(){for(var e=[],t=0;t<256;t++)e[t]=t<128?t<<1:t<<1^283;var r=0,n=0;for(t=0;t<256;t++){var a=n^n<<1^n<<2^n<<3^n<<4;a=a>>>8^255&a^99,i[r]=a,o[a]=r;var m=e[r],g=e[m],y=e[g],b=257*e[a]^16843008*a;s[r]=b<<24|b>>>8,c[r]=b<<16|b>>>16,u[r]=b<<8|b>>>24,l[r]=b;b=16843009*y^65537*g^257*m^16843008*r;f[a]=b<<24|b>>>8,d[a]=b<<16|b>>>16,h[a]=b<<8|b>>>24,p[a]=b,r?(r=m^e[e[e[y^m]]],n^=e[e[n]]):r=n=1}})();var m=[0,1,2,4,8,16,32,64,128,27,54],g=a.AES=n.extend({_doReset:function(){if(!this._nRounds||this._keyPriorReset!==this._key){for(var e=this._keyPriorReset=this._key,t=e.words,r=e.sigBytes/4,n=this._nRounds=r+6,a=4*(n+1),o=this._keySchedule=[],s=0;s<a;s++)s<r?o[s]=t[s]:(l=o[s-1],s%r?r>6&&s%r==4&&(l=i[l>>>24]<<24|i[l>>>16&255]<<16|i[l>>>8&255]<<8|i[255&l]):(l=l<<8|l>>>24,l=i[l>>>24]<<24|i[l>>>16&255]<<16|i[l>>>8&255]<<8|i[255&l],l^=m[s/r|0]<<24),o[s]=o[s-r]^l);for(var c=this._invKeySchedule=[],u=0;u<a;u++){s=a-u;if(u%4)var l=o[s];else l=o[s-4];c[u]=u<4||s<=4?l:f[i[l>>>24]]^d[i[l>>>16&255]]^h[i[l>>>8&255]]^p[i[255&l]]}}},encryptBlock:function(e,t){this._doCryptBlock(e,t,this._keySchedule,s,c,u,l,i)},decryptBlock:function(e,t){var r=e[t+1];e[t+1]=e[t+3],e[t+3]=r,this._doCryptBlock(e,t,this._invKeySchedule,f,d,h,p,o);r=e[t+1];e[t+1]=e[t+3],e[t+3]=r},_doCryptBlock:function(e,t,r,n,a,i,o,s){for(var c=this._nRounds,u=e[t]^r[0],l=e[t+1]^r[1],f=e[t+2]^r[2],d=e[t+3]^r[3],h=4,p=1;p<c;p++){var m=n[u>>>24]^a[l>>>16&255]^i[f>>>8&255]^o[255&d]^r[h++],g=n[l>>>24]^a[f>>>16&255]^i[d>>>8&255]^o[255&u]^r[h++],y=n[f>>>24]^a[d>>>16&255]^i[u>>>8&255]^o[255&l]^r[h++],b=n[d>>>24]^a[u>>>16&255]^i[l>>>8&255]^o[255&f]^r[h++];u=m,l=g,f=y,d=b}m=(s[u>>>24]<<24|s[l>>>16&255]<<16|s[f>>>8&255]<<8|s[255&d])^r[h++],g=(s[l>>>24]<<24|s[f>>>16&255]<<16|s[d>>>8&255]<<8|s[255&u])^r[h++],y=(s[f>>>24]<<24|s[d>>>16&255]<<16|s[u>>>8&255]<<8|s[255&l])^r[h++],b=(s[d>>>24]<<24|s[u>>>16&255]<<16|s[l>>>8&255]<<8|s[255&f])^r[h++];e[t]=m,e[t+1]=g,e[t+2]=y,e[t+3]=b},keySize:8});t.AES=n._createHelper(g)}(),e.AES}))},c1ac:function(e,t,r){"use strict";var n=r("ebb5"),a=r("b727").filter,i=r("4840"),o=n.aTypedArray,s=n.aTypedArrayConstructor,c=n.exportTypedArrayMethod;c("filter",(function(e){var t=a(o(this),e,arguments.length>1?arguments[1]:void 0),r=i(this,this.constructor),n=0,c=t.length,u=new(s(r))(c);while(c>n)u[n]=t[n++];return u}))},c2ae:function(e,t,r){e.exports=r("e372").PassThrough},c3b6:function(e,t,r){(function(t,n,a){e.exports=n(r("21bf"),r("1132"),r("72fe"),r("2b79"),r("38ba"))})(0,(function(e){return function(){var t=e,r=t.lib,n=r.StreamCipher,a=t.algo,i=a.RC4=n.extend({_doReset:function(){for(var e=this._key,t=e.words,r=e.sigBytes,n=this._S=[],a=0;a<256;a++)n[a]=a;a=0;for(var i=0;a<256;a++){var o=a%r,s=t[o>>>2]>>>24-o%4*8&255;i=(i+n[a]+s)%256;var c=n[a];n[a]=n[i],n[i]=c}this._i=this._j=0},_doProcessBlock:function(e,t){e[t]^=o.call(this)},keySize:8,ivSize:0});function o(){for(var e=this._S,t=this._i,r=this._j,n=0,a=0;a<4;a++){t=(t+1)%256,r=(r+e[t])%256;var i=e[t];e[t]=e[r],e[r]=i,n|=e[(e[t]+e[r])%256]<<24-8*a}return this._i=t,this._j=r,n}t.RC4=n._createHelper(i);var s=a.RC4Drop=i.extend({cfg:i.cfg.extend({drop:192}),_doReset:function(){i._doReset.call(this);for(var e=this.cfg.drop;e>0;e--)o.call(this)}});t.RC4Drop=n._createHelper(s)}(),e.RC4}))},c430:function(e,t){e.exports=!1},c4dc:function(e,t,r){"use strict";
/*!
* media-typer
* Copyright(c) 2014-2017 Douglas Christopher Wilson
* MIT Licensed
*/var n=/^[A-Za-z0-9][A-Za-z0-9!#$&^_.-]{0,126}$/,a=/^[A-Za-z0-9][A-Za-z0-9!#$&^_-]{0,126}$/,i=/^ *([A-Za-z0-9][A-Za-z0-9!#$&^_-]{0,126})\/([A-Za-z0-9][A-Za-z0-9!#$&^_.+-]{0,126}) *$/;function o(e){if(!e||"object"!==typeof e)throw new TypeError("argument obj is required");var t=e.subtype,r=e.suffix,i=e.type;if(!i||!a.test(i))throw new TypeError("invalid type");if(!t||!n.test(t))throw new TypeError("invalid subtype");var o=i+"/"+t;if(r){if(!a.test(r))throw new TypeError("invalid suffix");o+="+"+r}return o}function s(e){if(!e)throw new TypeError("argument string is required");if("string"!==typeof e)throw new TypeError("argument string is required to be a string");return i.test(e.toLowerCase())}function c(e){if(!e)throw new TypeError("argument string is required");if("string"!==typeof e)throw new TypeError("argument string is required to be a string");var t=i.exec(e.toLowerCase());if(!t)throw new TypeError("invalid media type");var r,n=t[1],a=t[2],o=a.lastIndexOf("+");return-1!==o&&(r=a.substr(o+1),a=a.substr(0,o)),new u(n,a,r)}function u(e,t,r){this.type=e,this.subtype=t,this.suffix=r}t.format=o,t.parse=c,t.test=s},c6b6:function(e,t){var r={}.toString;e.exports=function(e){return r.call(e).slice(8,-1)}},c6cd:function(e,t,r){var n=r("da84"),a=r("ce4e"),i="__core-js_shared__",o=n[i]||a(i,{});e.exports=o},c73e:function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});const n=r("6f58"),a=r("aad3"),i=r("bda5");class o 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 a.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){const t=new n.StringType(8,"ascii").get(e,0);switch(t){case"OpusTags":this.parseUserCommentList(e,8),this.lastPos=this.tokenizer.position;break;default:break}}calculateDuration(e){if(this.metadata.format.sampleRate&&e.absoluteGranulePosition>=0&&(this.metadata.setFormat("numberOfSamples",e.absoluteGranulePosition-this.idHeader.preSkip),this.metadata.setFormat("duration",this.metadata.format.numberOfSamples/this.idHeader.inputSampleRate),-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=o},c8ba:function(e,t){var r;r=function(){return this}();try{r=r||new Function("return this")()}catch(n){"object"===typeof window&&(r=window)}e.exports=r},c8d2:function(e,t,r){var n=r("d039"),a=r("5899"),i="​…᠎";e.exports=function(e){return n((function(){return!!a[e]()||i[e]()!=i||a[e].name!==e}))}},ca84:function(e,t,r){var n=r("5135"),a=r("fc6a"),i=r("4d64").indexOf,o=r("d012");e.exports=function(e,t){var r,s=a(e),c=0,u=[];for(r in s)!n(o,r)&&n(s,r)&&u.push(r);while(t.length>c)n(s,r=t[c++])&&(~i(u,r)||u.push(r));return u}},ca91:function(e,t,r){"use strict";var n=r("ebb5"),a=r("d58f").left,i=n.aTypedArray,o=n.exportTypedArrayMethod;o("reduce",(function(e){return a(i(this),e,arguments.length,arguments.length>1?arguments[1]:void 0)}))},cb4f:function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});const n=r("6f58"),a=r("98a7"),i=[6e3,8e3,9600,11025,12e3,16e3,22050,24e3,32e3,44100,48e3,64e3,88200,96e3,192e3,-1];class o{static isBitSet(e,t){return 1===o.getBitAllignedNumber(e,t,1)}static getBitAllignedNumber(e,t,r){return e>>>t&4294967295>>>32-r}}t.WavPack=o,o.BlockHeaderToken={len:32,get:(e,t)=>{const r=n.UINT32_LE.get(e,t+24),s={BlockID:a.FourCcToken.get(e,t),blockSize:n.UINT32_LE.get(e,t+4),version:n.UINT16_LE.get(e,t+8),totalSamples:n.UINT32_LE.get(e,t+12),blockIndex:n.UINT32_LE.get(e,t+16),blockSamples:n.UINT32_LE.get(e,t+20),flags:{bitsPerSample:8*(1+o.getBitAllignedNumber(r,0,2)),isMono:o.isBitSet(r,2),isHybrid:o.isBitSet(r,3),isJointStereo:o.isBitSet(r,4),crossChannel:o.isBitSet(r,5),hybridNoiseShaping:o.isBitSet(r,6),floatingPoint:o.isBitSet(r,7),samplingRate:i[o.getBitAllignedNumber(r,23,4)],isDSD:o.isBitSet(r,31)},crc:new n.BufferType(4).get(e,t+28)};return s.flags.isDSD&&(s.totalSamples*=8),s}},o.MetadataIdToken={len:1,get:(e,t)=>({functionId:o.getBitAllignedNumber(e[t],0,6),isOptional:o.isBitSet(e[t],5),isOddSize:o.isBitSet(e[t],6),largeBlock:o.isBitSet(e[t],7)})}},cb96:function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});const n=r("34eb"),a=r("e375"),i=r("5cf0"),o=r("0497"),s=n("music-metadata-browser:main");var c=r("e375");async function u(e,r,n){const a=new i.ReadableWebToNodeStream(e),o=await t.parseNodeStream(a,"string"===typeof r?{mimeType:r}:r,n);return await a.close(),o}async function l(e,t){const r=await d(e),n={mimeType:e.type,size:e.size};return e.name&&(n.path=e.name),a.parseBuffer(r,{mimeType:e.type,size:e.size},t)}async function f(e,t){const r=await fetch(e),n={size:parseInt(r.headers.get("Content-Length"),10),mimeType:r.headers.get("Content-Type")};if(r.ok){if(r.body){const e=await this.parseReadableStream(r.body,n,t);return s("Closing HTTP-readable-stream..."),r.body.locked||await r.body.cancel(),s("HTTP-readable-stream closed."),e}return this.parseBlob(await r.blob(),t)}throw new Error(`HTTP error status=${r.status}: ${r.statusText}`)}function d(e){return new Promise((t,r)=>{const n=new FileReader;n.onloadend=e=>{let r=e.target.result;r instanceof ArrayBuffer&&(r=o(new Uint8Array(e.target.result))),t(r)},n.onerror=e=>{r(new Error(e.type))},n.onabort=e=>{r(new Error(e.type))},n.readAsArrayBuffer(e)})}t.parseBuffer=c.parseBuffer,t.parseFromTokenizer=c.parseFromTokenizer,t.orderTags=c.orderTags,t.ratingToStars=c.ratingToStars,t.parseNodeStream=a.parseStream,t.parseReadableStream=u,t.parseBlob=l,t.fetchFromUrl=f},cc04:function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});const n=r("6f58"),a=r("98a7");t.ChunkHeader={len:12,get:(e,t)=>({chunkID:a.FourCcToken.get(e,t),chunkSize:n.INT64_BE.get(e,t+4)})}},cc12:function(e,t,r){var n=r("da84"),a=r("861d"),i=n.document,o=a(i)&&a(i.createElement);e.exports=function(e){return o?i.createElement(e):{}}},cd26:function(e,t,r){"use strict";var n=r("ebb5"),a=n.aTypedArray,i=n.exportTypedArrayMethod,o=Math.floor;i("reverse",(function(){var e,t=this,r=a(t).length,n=o(r/2),i=0;while(i<n)e=t[i],t[i++]=t[--r],t[r]=e;return t}))},cdf9:function(e,t,r){var n=r("825a"),a=r("861d"),i=r("f069");e.exports=function(e,t){if(n(e),a(t)&&t.constructor===e)return t;var r=i.f(e),o=r.resolve;return o(t),r.promise}},ce4e:function(e,t,r){var n=r("da84"),a=r("9112");e.exports=function(e,t){try{a(n,e,t)}catch(r){n[e]=t}return t}},cec2:function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),function(e){e[e["video"]=1]="video",e[e["audio"]=2]="audio",e[e["complex"]=3]="complex",e[e["logo"]=4]="logo",e[e["subtitle"]=17]="subtitle",e[e["button"]=18]="button",e[e["control"]=32]="control"}(t.TrackType||(t.TrackType={}))},d012:function(e,t){e.exports={}},d039:function(e,t){e.exports=function(e){try{return!!e()}catch(t){return!0}}},d066:function(e,t,r){var n=r("428f"),a=r("da84"),i=function(e){return"function"==typeof e?e:void 0};e.exports=function(e,t){return arguments.length<2?i(n[e])||i(a[e]):n[e]&&n[e][t]||a[e]&&a[e][t]}},d139:function(e,t,r){"use strict";var n=r("ebb5"),a=r("b727").find,i=n.aTypedArray,o=n.exportTypedArrayMethod;o("find",(function(e){return a(i(this),e,arguments.length>1?arguments[1]:void 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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:"description"};t.tagType="iTunes";class i extends n.CommonTagMapper{constructor(){super([t.tagType],a)}}t.MP4TagMapper=i}});
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