@wasm-audio-decoders/flac
Advanced tools
Comparing version 0.1.0 to 0.1.1
| /* Copyright 2021-2022 Ethan Halsall. This file is part of wasm-audio-decoders. https://github.com/eshaz/wasm-audio-decoders */ | ||
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s=2&r[2];if(i.profile=Ut[i.ue],i.sampleRate=ft[i.Ue],i.sampleRate===b)return null;i.ne=!!s,i.fe=448&(r[2]<<8|r[3]),i.Gt=mt[i.fe].description,i.Zt=mt[i.fe].Zt,i.oe=!!(32&r[3]),i.me=!!(8&r[3]),i.pe=!!(8&r[3]),i.ye=!!(4&r[3]),i.bitDepth=16,i.Dt=1024,i.we=3&r[6];const{length:h,fe:a,ue:o,Ue:c,frameLength:l,Dt:d,we:u,...U}=i;e.Tt(n,i,U)}if(i.frameLength=8191&(r[3]<<11|r[4]<<3|r[5]>>5),!i.frameLength)return null;const a=2047&(r[5]<<6|r[6]>>2);return i.ge=2047===a?"VBR":a,new pt(i)}constructor(t){super(t),this.pe=t.pe,this.ye=t.ye,this.ge=t.ge,this.me=t.me,this.oe=t.oe,this.ne=t.ne,this.ie=t.ie,this.length=t.length,this.se=t.se,this.we=t.we,this.profile=t.profile,this.re=t.re}get be(){const t=m.get(this),e=t.ue+64<<5|t.Ue<<5|t.fe>>3,s=new Uint8Array(2);return new DataView(s.buffer).setUint16(0,e,!1),s}}class yt extends g{static*$t(t,e,s){return yield*super.$t(pt,yt,t,e,s)}constructor(t,e,s){super(t,e,s)}}class wt extends y{constructor(t,e,s){super(t,e),this.Ot=yt,this.Ft=pt,s(this.le)}get le(){return"aac"}*de(){return yield*this.zt()}}class gt extends g{static Me(t){return(t[t.length-2]<<8)+t[t.length-1]}static Ae(t){return gt.Me(t)===(t=>{const e=t.length,s=e-16;let i=0,r=0;for(;r<=s;)i^=t[r++]<<8|t[r++],i=h[15][i>>8]^h[14][255&i]^h[13][t[r++]]^h[12][t[r++]]^h[11][t[r++]]^h[10][t[r++]]^h[9][t[r++]]^h[8][t[r++]]^h[7][t[r++]]^h[6][t[r++]]^h[5][t[r++]]^h[4][t[r++]]^h[3][t[r++]]^h[2][t[r++]]^h[1][t[r++]]^h[0][t[r++]];for(;r!==e;)i=(255&i)<<8^h[0][i>>8^t[r++]];return i})(t.subarray(0,-2))}constructor(t,e,s){e.Te=s,e.xe=gt.Me(t),super(e,t,m.get(e).Dt)}}const bt="get from STREAMINFO metadata block",Mt={0:"Fixed",1:"Variable"},At={0:b,16:192};for(let ee=2;ee<16;ee++)At[ee<<4]=ee<6?576*2**(ee-2):2**ee;const Tt={0:bt,1:88200,2:176400,3:192e3,4:k,5:H,6:P,7:W,8:V,9:L,10:E,11:96e3,15:M},xt={0:{Zt:1,description:B},16:{Zt:2,description:_(2,v[0][0])},32:{Zt:3,description:_(3,v[0][1])},48:{Zt:4,description:_(4,v[1][0],v[3][0])},64:{Zt:5,description:_(5,v[1][1],v[3][0])},80:{Zt:6,description:_(6,v[1][1],z,v[3][0])},96:{Zt:7,description:_(7,v[1][1],z,v[3][4],v[2][0])},112:{Zt:8,description:_(8,v[1][1],z,v[3][0],v[2][0])},128:{Zt:2,description:F+" (left, diff)"},144:{Zt:2,description:F+" (diff, right)"},160:{Zt:2,description:F+" (avg, diff)"},176:b,192:b,208:b,224:b,240:b},St={0:bt,2:8,4:12,6:b,8:16,10:20,12:24,14:b};class $t extends I{static Se(t){if(t[0]>254)return null;if(t[0]<128)return{value:t[0],length:1};let e=1;for(let n=64;n&t[0];n>>=1)e++;let s=e-1,i=0,r=0;for(;s>0;r+=6,s--){if(128!=(192&t[s]))return null;i|=(63&t[s])<<r}return i|=(t[s]&127>>e)<<r,{value:i,length:e}}static $e(t,e){const s={*Et(){return t}};return $t.At(s,e,0).next().value}static*At(t,e,s){let i=yield*t.Et(6,s);if(255!==i[0]||248!==i[1]&&249!==i[1])return null;const r={},h=l(i.subarray(0,4)),a=e.At(h);if(a)Object.assign(r,a);else{if(r.Oe=1&i[1],r.ve=Mt[r.Oe],r.ze=240&i[2],r.Ue=15&i[2],r.blockSize=At[r.ze],r.blockSize===b)return null;if(r.sampleRate=Tt[r.Ue],r.sampleRate===M)return null;if(1&i[3])return null;const t=xt[240&i[3]];if(t===b)return null;if(r.Zt=t.Zt,r.Gt=t.description,r.bitDepth=St[14&i[3]],r.bitDepth===b)return null}r.length=5,i=yield*t.Et(r.length+8,s);const o=$t.Se(i.subarray(4));if(!o)return null;if(r.Oe?r.Be=o.value:r.frameNumber=o.value,r.length+=o.length,96===r.ze?(i.length<r.length&&(i=yield*t.Et(r.length,s)),r.blockSize=i[r.length-1]+1,r.length+=1):112===r.ze&&(i.length<r.length&&(i=yield*t.Et(r.length,s)),r.blockSize=(i[r.length-1]<<8)+i[r.length]+1,r.length+=2),r.Dt=r.blockSize,12===r.Ue?(i.length<r.length&&(i=yield*t.Et(r.length,s)),r.sampleRate=1e3*i[r.length-1],r.length+=1):13===r.Ue?(i.length<r.length&&(i=yield*t.Et(r.length,s)),r.sampleRate=(i[r.length-1]<<8)+i[r.length],r.length+=2):14===r.Ue&&(i.length<r.length&&(i=yield*t.Et(r.length,s)),r.sampleRate=10*((i[r.length-1]<<8)+i[r.length]),r.length+=2),i.length<r.length&&(i=yield*t.Et(r.length,s)),r.Fe=i[r.length-1],r.Fe!==(t=>{let e=0;const s=t.length;for(let i=0;i!==s;i++)e=n[e^t[i]];return e})(i.subarray(0,r.length-1)))return null;if(!a){const{Oe:t,frameNumber:s,Be:i,Dt:n,Ue:a,ze:o,Fe:c,length:l,...d}=r;e.Tt(h,r,d)}return new $t(r)}constructor(t){super(t),this.xe=null,this.ve=t.ve,this.blockSize=t.blockSize,this.frameNumber=t.frameNumber,this.Be=t.Be,this.Te=null}}class Ot extends y{constructor(t,e){super(t,e),this.Ot=gt,this.Ft=$t}get le(){return"flac"}*Ce(t){const e=yield*this.xt.Et(2,0),s=e.length-2;for(;t<s;){if(255===e[t]){const s=e[t+1];if(248===s||249===s)break;255!==s&&t++}t++}return t}*de(){for(;;){const t=yield*$t.At(this.xt,this.ut,0);if(t){let e=m.get(t).length+2;for(;e<=524288;){if(this.xt.Bt||(yield*$t.At(this.xt,this.ut,e))){let s=yield*this.xt.Et(e);if(this.xt.Bt||(s=s.subarray(0,e)),gt.Ae(s)){const i=new gt(s,t);return this.ut.enable(),this.xt.vt(e),this.xt.Ct(i),i}}e=yield*this.Ce(e+1)}this.xt.Jt(`Unable to sync FLAC frame after searching ${e} bytes.`),this.xt.vt(e)}else this.xt.vt(yield*this.Ce(1))}}Je(t){return 0===t._e?(this.ut.enable(),this.De=t.data.subarray(13)):1===t._e||(t.Ee=p.get(t).Le.map((t=>{const e=$t.$e(t,this.ut);if(e)return new gt(t,e,this.De);this.xt.Jt("Failed to parse Ogg FLAC frame","Skipping invalid FLAC frame")})).filter((t=>!!t))),t}}class vt{static*At(t,e,s){const i={};let r=yield*t.Et(28,s);if(79!==r[0]||103!==r[1]||103!==r[2]||83!==r[3])return null;if(i.Ve=r[4],248&r[5])return null;i.We=!!(4&r[5]),i.Pe=!!(2&r[5]),i.He=!!(1&r[5]);const n=new DataView(Uint8Array.from(r.subarray(0,28)).buffer);try{i.ke=n.getBigInt64(6,!0)}catch{}i.qe=n.getInt32(14,!0),i._e=n.getInt32(18,!0),i.Ie=n.getInt32(22,!0);const h=r[26];i.length=h+27,r=yield*t.Et(i.length,s),i.frameLength=0,i.Ye=[],i.Ke=Uint8Array.from(r.subarray(27,i.length));for(let a=0,o=0;a<h;a++){const t=i.Ke[a];i.frameLength+=t,o+=t,255===t&&a!==h-1||(i.Ye.push(o),o=0)}return new vt(i)}constructor(t){m.set(this,t),this.ke=t.ke,this.He=t.He,this.Pe=t.Pe,this.We=t.We,this.Ye=t.Ye,this._e=t._e,this.Ie=t.Ie,this.qe=t.qe}}class zt extends w{static*$t(t,e,s){const i=yield*vt.At(t,e,s);if(i){const e=m.get(i).frameLength,s=m.get(i).length,r=s+e,n=(yield*t.Et(r,0)).subarray(0,r),h=n.subarray(s,r);return new zt(i,h,n)}return null}constructor(t,e,s){super(t,e),p.get(this).length=s.length,this.Ee=[],this.Ze=s,this.ke=t.ke,this.Ge=t.Ie,this.duration=0,this.He=t.He,this.Pe=t.Pe,this.We=t.We,this._e=t._e,this.Dt=0,this.qe=t.qe}}class Bt extends g{constructor(t,e){super(e,t,e.Ne*e.Re/1e3*e.sampleRate)}}const Ft={0:D.slice(0,2),1:D},Ct="SILK-only",Jt="CELT-only",_t="Hybrid",Dt="narrowband",Et="medium-band",Lt="wideband",Vt="super-wideband",Wt="fullband",Pt={0:{mode:Ct,je:Dt,Ne:10},8:{mode:Ct,je:Dt,Ne:20},16:{mode:Ct,je:Dt,Ne:40},24:{mode:Ct,je:Dt,Ne:60},32:{mode:Ct,je:Et,Ne:10},40:{mode:Ct,je:Et,Ne:20},48:{mode:Ct,je:Et,Ne:40},56:{mode:Ct,je:Et,Ne:60},64:{mode:Ct,je:Lt,Ne:10},72:{mode:Ct,je:Lt,Ne:20},80:{mode:Ct,je:Lt,Ne:40},88:{mode:Ct,je:Lt,Ne:60},96:{mode:_t,je:Vt,Ne:10},104:{mode:_t,je:Vt,Ne:20},112:{mode:_t,je:Wt,Ne:10},120:{mode:_t,je:Wt,Ne:20},128:{mode:Jt,je:Dt,Ne:2.5},136:{mode:Jt,je:Dt,Ne:5},144:{mode:Jt,je:Dt,Ne:10},152:{mode:Jt,je:Dt,Ne:20},160:{mode:Jt,je:Lt,Ne:2.5},168:{mode:Jt,je:Lt,Ne:5},176:{mode:Jt,je:Lt,Ne:10},184:{mode:Jt,je:Lt,Ne:20},192:{mode:Jt,je:Vt,Ne:2.5},200:{mode:Jt,je:Vt,Ne:5},208:{mode:Jt,je:Vt,Ne:10},216:{mode:Jt,je:Vt,Ne:20},224:{mode:Jt,je:Wt,Ne:2.5},232:{mode:Jt,je:Wt,Ne:5},240:{mode:Jt,je:Wt,Ne:10},248:{mode:Jt,je:Wt,Ne:20}};class Ht extends I{static $e(t,e,s){const i={};if(i.Zt=t[9],i.Qe=t[18],i.length=0!==i.Qe?21+i.Zt:19,t.length<i.length)throw Error("Out of data while inside an Ogg Page");const r=3&e[0],n=3===r?2:1,h=l(t.subarray(0,i.length))+l(e.subarray(0,n)),a=s.At(h);if(a)return new Ht(a);if("OpusHead"!==h.substr(0,8))return null;if(1!==t[8])return null;i.data=Uint8Array.from(t.subarray(0,i.length));const o=new DataView(i.data.buffer);if(i.bitDepth=16,i.Xe=o.getUint16(10,!0),i.ts=o.getUint32(12,!0),i.sampleRate=E,i.es=o.getInt16(16,!0),i.Qe in Ft&&(i.Gt=Ft[i.Qe][i.Zt-1],!i.Gt))return null;0!==i.Qe&&(i.ss=t[19],i.rs=t[20],i.ns=[...t.subarray(21,i.Zt+21)]);const c=Pt[248&e[0]];switch(i.mode=c.mode,i.je=c.je,i.Ne=c.Ne,r){case 0:i.Re=1;break;case 1:case 2:i.Re=2;break;case 3:i.hs=!!(128&e[1]),i.os=!!(64&e[1]),i.Re=63&e[1];break;default:return null}const{length:d,data:u,Qe:U,...f}=i;return s.Tt(h,i,f),new Ht(i)}constructor(t){super(t),this.data=t.data,this.je=t.je,this.Qe=t.Qe,this.ns=t.ns,this.rs=t.rs,this.Re=t.Re,this.Ne=t.Ne,this.os=t.os,this.ts=t.ts,this.hs=t.hs,this.mode=t.mode,this.es=t.es,this.Xe=t.Xe,this.ss=t.ss}}class kt extends y{constructor(t,e){super(t,e),this.Ot=Bt,this.Ft=Ht,this.cs=null}get le(){return"opus"}Je(t){return 0===t._e?(this.ut.enable(),this.cs=t.data):1===t._e||(t.Ee=p.get(t).Le.map((t=>{const e=Ht.$e(this.cs,t,this.ut);if(e)return new Bt(t,e);this.xt.ls("Failed to parse Ogg Opus Header","Not a valid Ogg Opus file")}))),t}}class qt extends g{constructor(t,e,s){super(e,t,s)}}const It={};for(let ee=0;ee<8;ee++)It[ee+6]=2**(6+ee);class Yt extends I{static $e(t,e){if(t.length<30)throw Error("Out of data while inside an Ogg Page");const s=l(t.subarray(0,30)),i=e.At(s);if(i)return new Yt(i);const r={length:30};if("vorbis"!==s.substr(0,7))return null;r.data=Uint8Array.from(t.subarray(0,30));const n=new DataView(r.data.buffer);if(r.version=n.getUint32(7,!0),0!==r.version)return null;if(r.Zt=t[11],r.Gt=D[r.Zt-1]||"application defined",r.sampleRate=n.getUint32(12,!0),r.ds=n.getInt32(16,!0),r.us=n.getInt32(20,!0),r.Us=n.getInt32(24,!0),r.fs=It[(240&t[28])>>4],r.ps=It[15&t[28]],r.ps>r.fs)return null;if(1!==t[29])return null;r.bitDepth=32;{const{length:t,data:i,version:n,...h}=r;e.Tt(s,r,h)}return new Yt(r)}constructor(t){super(t),this.ds=t.ds,this.Us=t.Us,this.us=t.us,this.ps=t.ps,this.fs=t.fs,this.data=t.data,this.ys=null,this.ws=null}}class Kt extends y{constructor(t,e){super(t,e),this.Ot=qt,this.cs=null,this.gs={count:0},this.bs=0,this.Ms=0}get le(){return"vorbis"}Je(t){const e=p.get(t).Le;return 0===t._e?(this.ut.enable(),this.cs=t.data):1===t._e?e[1]&&(this.As=e[0],this.Ts=e[1],this.gs=this.xs(e[1])):t.Ee=e.map((t=>{const e=Yt.$e(this.cs,this.ut);if(e)return e.ys=this.As,e.ws=this.Ts,new qt(t,e,this.Ss(t,e));this.xt.ls("Failed to parse Ogg Vorbis Header","Not a valid Ogg Vorbis 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e=l(t.subarray(0,8));switch(e){case"fishead\0":case"fisbone\0":case"index\0\0\0":return!1;case"OpusHead":return this.Fs("opus",kt),!0;case/^\x7fFLAC/.test(e)&&e:return this.Fs("flac",Ot),!0;case/^\x01vorbis/.test(e)&&e:return this.Fs("vorbis",Kt),!0}}_s(t){t._e!==this.Bs+1&&this.Bs>1&&t._e>1&&this.xt.Jt("Unexpected gap in Ogg Page Sequence Number.",`Expected: ${this.Bs+1}, Got: ${t._e}`),this.Bs=t._e}*de(){const t=yield*this.zt(!0);this._s(t);const e=p.get(t),{Ke:s,Ye:i}=m.get(e._t);let r=0;if(e.Le=i.map((e=>t.data.subarray(r,r+=e))),255===s[s.length-1]?this.zs=c(this.zs,e.Le.pop()):this.zs.length&&(e.Le[0]=c(this.zs,e.Le[0]),this.zs=new Uint8Array),this.vs||this.Js(t)){const e=this.Cs.Je(t);return this.xt.Ct(e),e}}}const Gt=()=>{};class Nt{constructor(t,{Ds:e,Es:s,Ls:i=!1,Vs:r=!0}={}){this.Ws=t,this.Os=s||Gt,this.lt=e,this.Ps=i,this.Hs=r?o:Gt,this.ks=this.qs(),this.ks.next()}get le(){return this.Cs.le}*flush(){this.Bt=!0;for(let t=this.ks.next();t.value;t=this.ks.next())yield 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null;if(r.Oe?r.Be=o.value:r.frameNumber=o.value,r.length+=o.length,96===r.ze?(i.length<r.length&&(i=yield*t.Et(r.length,s)),r.blockSize=i[r.length-1]+1,r.length+=1):112===r.ze&&(i.length<r.length&&(i=yield*t.Et(r.length,s)),r.blockSize=(i[r.length-1]<<8)+i[r.length]+1,r.length+=2),r.Dt=r.blockSize,12===r.Ue?(i.length<r.length&&(i=yield*t.Et(r.length,s)),r.sampleRate=1e3*i[r.length-1],r.length+=1):13===r.Ue?(i.length<r.length&&(i=yield*t.Et(r.length,s)),r.sampleRate=(i[r.length-1]<<8)+i[r.length],r.length+=2):14===r.Ue&&(i.length<r.length&&(i=yield*t.Et(r.length,s)),r.sampleRate=10*((i[r.length-1]<<8)+i[r.length]),r.length+=2),i.length<r.length&&(i=yield*t.Et(r.length,s)),r.Fe=i[r.length-1],r.Fe!==(t=>{let e=0;const s=t.length;for(let i=0;i!==s;i++)e=n[e^t[i]];return e})(i.subarray(0,r.length-1)))return null;if(!a){const{Oe:t,frameNumber:s,Be:i,Dt:n,Ue:a,ze:o,Fe:c,length:l,...d}=r;e.At(h,r,d)}return new $t(r)}constructor(t){super(t),this.xe=null,this.ve=t.ve,this.blockSize=t.blockSize,this.frameNumber=t.frameNumber,this.Be=t.Be,this.Ae=null}}class Ot extends y{constructor(t,e){super(t,e),this.Ot=gt,this.Ft=$t}get le(){return"flac"}*Ce(t){const e=yield*this.xt.Et(2,0),s=e.length-2;for(;t<s;){if(255===e[t]){const s=e[t+1];if(248===s||249===s)break;255!==s&&t++}t++}return t}*de(){for(;;){const t=yield*$t.Tt(this.xt,this.ut,0);if(t){let e=m.get(t).length+2;for(;e<=524288;){if(this.xt.Bt||(yield*$t.Tt(this.xt,this.ut,e))){let s=yield*this.xt.Et(e);if(this.xt.Bt||(s=s.subarray(0,e)),gt.Te(s)){const i=new gt(s,t);return this.ut.enable(),this.xt.vt(e),this.xt.Ct(i),i}}e=yield*this.Ce(e+1)}this.xt.Jt(`Unable to sync FLAC frame after searching ${e} bytes.`),this.xt.vt(e)}else this.xt.vt(yield*this.Ce(1))}}Je(t){return 0===t._e?(this.ut.enable(),this.De=t.data.subarray(13)):1===t._e||(t.Ee=p.get(t).Le.map((t=>{const e=$t.$e(t,this.ut);if(e)return new gt(t,e,this.De);this.xt.Jt("Failed to parse 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zt(i,h,n)}return null}constructor(t,e,s){super(t,e),p.get(this).length=s.length,this.Ee=[],this.Ze=s,this.ke=t.ke,this.Ge=t.Ie,this.duration=0,this.He=t.He,this.Pe=t.Pe,this.We=t.We,this._e=t._e,this.Dt=0,this.qe=t.qe}}class Bt extends g{constructor(t,e){super(e,t,e.Ne*e.Re/1e3*e.sampleRate)}}const Ft={0:D.slice(0,2),1:D},Ct="SILK-only",Jt="CELT-only",_t="Hybrid",Dt="narrowband",Et="medium-band",Lt="wideband",Vt="super-wideband",Wt="fullband",Pt={0:{mode:Ct,je:Dt,Ne:10},8:{mode:Ct,je:Dt,Ne:20},16:{mode:Ct,je:Dt,Ne:40},24:{mode:Ct,je:Dt,Ne:60},32:{mode:Ct,je:Et,Ne:10},40:{mode:Ct,je:Et,Ne:20},48:{mode:Ct,je:Et,Ne:40},56:{mode:Ct,je:Et,Ne:60},64:{mode:Ct,je:Lt,Ne:10},72:{mode:Ct,je:Lt,Ne:20},80:{mode:Ct,je:Lt,Ne:40},88:{mode:Ct,je:Lt,Ne:60},96:{mode:_t,je:Vt,Ne:10},104:{mode:_t,je:Vt,Ne:20},112:{mode:_t,je:Wt,Ne:10},120:{mode:_t,je:Wt,Ne:20},128:{mode:Jt,je:Dt,Ne:2.5},136:{mode:Jt,je:Dt,Ne:5},144:{mode:Jt,je:Dt,Ne:10},152:{mode:Jt,je:Dt,Ne:20},160:{mode:Jt,je:Lt,Ne:2.5},168:{mode:Jt,je:Lt,Ne:5},176:{mode:Jt,je:Lt,Ne:10},184:{mode:Jt,je:Lt,Ne:20},192:{mode:Jt,je:Vt,Ne:2.5},200:{mode:Jt,je:Vt,Ne:5},208:{mode:Jt,je:Vt,Ne:10},216:{mode:Jt,je:Vt,Ne:20},224:{mode:Jt,je:Wt,Ne:2.5},232:{mode:Jt,je:Wt,Ne:5},240:{mode:Jt,je:Wt,Ne:10},248:{mode:Jt,je:Wt,Ne:20}};class Ht extends I{static $e(t,e,s){const i={};if(i.Zt=t[9],i.Qe=t[18],i.length=0!==i.Qe?21+i.Zt:19,t.length<i.length)throw Error("Out of data while inside an Ogg Page");const r=3&e[0],n=3===r?2:1,h=l(t.subarray(0,i.length))+l(e.subarray(0,n)),a=s.Tt(h);if(a)return new Ht(a);if("OpusHead"!==h.substr(0,8))return null;if(1!==t[8])return null;i.data=Uint8Array.from(t.subarray(0,i.length));const o=new DataView(i.data.buffer);if(i.bitDepth=16,i.Xe=o.getUint16(10,!0),i.ts=o.getUint32(12,!0),i.sampleRate=E,i.es=o.getInt16(16,!0),i.Qe in Ft&&(i.Gt=Ft[i.Qe][i.Zt-1],!i.Gt))return null;0!==i.Qe&&(i.ss=t[19],i.rs=t[20],i.ns=[...t.subarray(21,i.Zt+21)]);const c=Pt[248&e[0]];switch(i.mode=c.mode,i.je=c.je,i.Ne=c.Ne,r){case 0:i.Re=1;break;case 1:case 2:i.Re=2;break;case 3:i.hs=!!(128&e[1]),i.os=!!(64&e[1]),i.Re=63&e[1];break;default:return null}const{length:d,data:u,Qe:U,...f}=i;return s.At(h,i,f),new Ht(i)}constructor(t){super(t),this.data=t.data,this.je=t.je,this.Qe=t.Qe,this.ns=t.ns,this.rs=t.rs,this.Re=t.Re,this.Ne=t.Ne,this.os=t.os,this.ts=t.ts,this.hs=t.hs,this.mode=t.mode,this.es=t.es,this.Xe=t.Xe,this.ss=t.ss}}class kt extends y{constructor(t,e){super(t,e),this.Ot=Bt,this.Ft=Ht,this.cs=null}get le(){return"opus"}Je(t){return 0===t._e?(this.ut.enable(),this.cs=t.data):1===t._e||(t.Ee=p.get(t).Le.map((t=>{const e=Ht.$e(this.cs,t,this.ut);if(e)return new Bt(t,e);this.xt.ls("Failed to parse Ogg Opus Header","Not a valid Ogg Opus file")}))),t}}class qt extends g{constructor(t,e,s){super(e,t,s)}}const It={};for(let ee=0;ee<8;ee++)It[ee+6]=2**(6+ee);class Yt extends I{static $e(t,e){if(t.length<30)throw Error("Out of data while inside an Ogg Page");const s=l(t.subarray(0,30)),i=e.Tt(s);if(i)return new Yt(i);const r={length:30};if("vorbis"!==s.substr(0,7))return null;r.data=Uint8Array.from(t.subarray(0,30));const n=new DataView(r.data.buffer);if(r.version=n.getUint32(7,!0),0!==r.version)return null;if(r.Zt=t[11],r.Gt=D[r.Zt-1]||"application defined",r.sampleRate=n.getUint32(12,!0),r.ds=n.getInt32(16,!0),r.us=n.getInt32(20,!0),r.Us=n.getInt32(24,!0),r.fs=It[(240&t[28])>>4],r.ps=It[15&t[28]],r.ps>r.fs)return null;if(1!==t[29])return null;r.bitDepth=32;{const{length:t,data:i,version:n,...h}=r;e.At(s,r,h)}return new Yt(r)}constructor(t){super(t),this.ds=t.ds,this.Us=t.Us,this.us=t.us,this.ps=t.ps,this.fs=t.fs,this.data=t.data,this.ys=null,this.ws=null}}class Kt extends y{constructor(t,e){super(t,e),this.Ot=qt,this.cs=null,this.gs={count:0},this.bs=0,this.Ms=0}get le(){return"vorbis"}Je(t){const e=p.get(t).Le;return 0===t._e?(this.ut.enable(),this.cs=t.data):1===t._e?e[1]&&(this.Ts=e[0],this.As=e[1],this.gs=this.xs(e[1])):t.Ee=e.map((t=>{const e=Yt.$e(this.cs,this.ut);if(e)return e.ys=this.Ts,e.ws=this.As,new qt(t,e,this.Ss(t,e));this.xt.ls("Failed to parse Ogg Vorbis Header","Not a valid Ogg Vorbis file")})),t}Ss(t,e){const s=t[0]>>1,i=this.gs[s&this.gs.mask];i&&(this.bs=s&this.gs.$s?e.fs:e.ps),this.Ms=i?e.fs:e.ps;const r=this.bs+this.Ms>>2;return this.bs=this.Ms,r}xs(t){const e=new U(t),s="Failed to read Vorbis stream",i=", failed to parse vorbis modes";let r,n={count:0};for(;1!=(1&e.read(1)););for(;n.count<64&&e.position>0;){const t=u(e.read(8));if(t in n&&(1!==n.count||0!==t))throw this.xt.ls("received duplicate mode mapping"+i),Error(s);let h=0;for(;0===e.read(8)&&h++<3;);if(4!==h){if(1+((126&u(r))>>1)!==n.count)throw this.xt.ls("mode count did not match actual modes"+i),Error(s);break}r=e.read(7),n[t]=1&r,e.position+=6,n.count++}return n.mask=(1<<Math.log2(n.count))-1,n.$s=1+(1|n.mask),n}}class Zt extends y{constructor(t,e,s){super(t,e),this.Os=s,this.Ot=zt,this.Ft=vt,this.vs=null,this.zs=new Uint8Array,this.Bs=0}get le(){return this.vs||""}Fs(t,e){this.vs!==t&&(this.Cs=new e(this.xt,this.ut),this.vs=t,this.Os(t))}Js({data:t}){const e=l(t.subarray(0,8));switch(e){case"fishead\0":case"fisbone\0":case"index\0\0\0":return!1;case"OpusHead":return this.Fs("opus",kt),!0;case/^\x7fFLAC/.test(e)&&e:return this.Fs("flac",Ot),!0;case/^\x01vorbis/.test(e)&&e:return this.Fs("vorbis",Kt),!0}}_s(t){t._e!==this.Bs+1&&this.Bs>1&&t._e>1&&this.xt.Jt("Unexpected gap in Ogg Page Sequence Number.",`Expected: ${this.Bs+1}, Got: ${t._e}`),this.Bs=t._e}*de(){const t=yield*this.zt(!0);this._s(t);const e=p.get(t),{Ke:s,Ye:i}=m.get(e._t);let r=0;if(e.Le=i.map((e=>t.data.subarray(r,r+=e))),255===s[s.length-1]?this.zs=c(this.zs,e.Le.pop()):this.zs.length&&(e.Le[0]=c(this.zs,e.Le[0]),this.zs=new Uint8Array),this.vs||this.Js(t)){const e=this.Cs.Je(t);return this.xt.Ct(e),e}}}const Gt=()=>{};class Nt{constructor(t,{Ds:e,Es:s,Ls:i=!1,Vs:r=!0}={}){this.Ws=t,this.Os=s||Gt,this.lt=e,this.Ps=i,this.Hs=r?o:Gt,this.ks=this.qs(),this.ks.next()}get le(){return this.Cs.le}*flush(){this.Bt=!0;for(let t=this.ks.next();t.value;t=this.ks.next())yield 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this.Rs.subarray(e)}vt(t){this.Ys+=t,this.Rs=this.Rs.subarray(t)}js(t){this.Ns=t._t.sampleRate,t._t.bt=8*Math.round(t.data.length/t.duration),t.frameNumber=this.q++,t.Lt=this.Zs,t.Vt=this.Gs,t.Wt=this.Gs/this.Ns*1e3,t.Ge=this.Hs(t.data),this.ut.wt(t._t.bt,t.Wt),this.Zs+=t.data.length,this.Gs+=t.Dt}Ct(t){t.Ee?(t.Ee.forEach((e=>{t.duration+=e.duration,t.Dt+=e.Dt,this.js(e)})),t.Vt=this.Gs,t.Wt=this.Gs/this.Ns*1e3||0,t.Lt=this.Zs):this.js(t)}Qs(t,e){if(this.Ps){const s=["codec: "+this.le,"inputMimeType: "+this.Ws,"readPosition: "+this.Ys,"totalBytesIn: "+this.Ks,"totalBytesOut: "+this.Zs],i=Math.max(...s.map((t=>t.length)));e.push("--stats--"+"-".repeat(i-9),...s,"-".repeat(i)),t("codec-parser",e.reduce(((t,e)=>t+"\n "+e),""))}}Jt(...t){this.Qs(console.warn,t)}ls(...t){this.Qs(console.error,t)}}function Rt(t){function e(t){console.log(t)}function s(t){console.error(t)}function i(){}for(var r=new 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| & ¬è;2þ}¼lc 259AÝELDNÅÈp]ç=MÌ"Ì*¢£w÷B²Më«E£ó»¹ÃAéÚÒøL´JN9K=}QÎà½\" íªú1©ñB%¦ ã?ëâkÁ¬##j9§uOb@´µU7¯Ï±%Qå]·-Õ°ÀCÑÕ×ú;ëÖ%Ö=M¼§×<TjþG+¹-· V±:B×Ã[ ë$VÍÅýrG> æ èÿç#õ< 2ûSB¶´-\a;³y+ØêÝØ:UZû©Xrvú)íÂé©ØH+ÈZ@¹µZ¾ãú\R¸÷âæØ+Y¯Gá/âûìÇÙ¸ì! ÷Õ,6X²â#:{Y×w¶ZÔ{\ ìx^ý)Ù¬90úºy×Û`});var h,a,o,c,l,d,u,U,f=new TextDecoder("utf8"),m={Xs:{},ti:[null,[],[]],ei(t,i){var r=m.ti[t];0===i||10===i?((1===t?e:s)(((t,e,s)=>{for(var i=0;t[i]&&!(i>=NaN);)++i;return f.decode(t.subarray?t.subarray(0,i):new Uint8Array(t.slice(0,i)))})(r)),r.length=0):r.push(i)},si:void 0,get:()=>(m.si+=4,h[m.si-4>>2]),ii(t){var e=((t,e)=>{if(!t)return"";for(var s=t+void 0,i=t;!(i>=s)&&a[i];)++i;return f.decode(a.subarray(t,i))})(t);return e},ri:(t,e)=>t},p={a:{d(t,e,s){a.copyWithin(t,e,e+s)},c(t){a.length,(t=>{throw"OOM"})()},b:t=>0,a(t,e,s,i){var r=m.ni(t),n=m.hi(r,e,s);return h[i>>2]=n,0},e(t,e,s,i,r){}}};this.o=e=>{t.o(Rt,e)},this.u=()=>t.u(Rt),this.instantiate=()=>(this.u().then((t=>WebAssembly.instantiate(t,p))).then((t=>{var e,s=t.exports;c=s.h,l=s.i,d=s.j,u=s.k,U=s.l,s.m,e=s.f.buffer,o=e,h=new Int32Array(e),a=new Uint8Array(e),(t=>{t.g()})(s),i()})),this.ready=new Promise((t=>{i=t})).then((()=>{this.V=o,this.C=l,this.W=c,this.ai=d,this.oi=u,this.ci=U})),this)}function jt(){return this.li=()=>new this.di(this).instantiate().then((t=>{this.ui=t,this.Ui=this.ui.F(1,Uint32Array),this.Ns=this.ui.F(1,Uint32Array),this.fi=this.ui.F(1,Uint32Array),this.mi=this.ui.F(1,Uint32Array),this.pi=this.ui.F(1,Uint32Array),this.yi=this.ui.F(1,Uint32Array),this.wi=this.ui.F(1,Uint32Array),this.gi=this.ui.F(1,Uint32Array),this.bi=this.ui.p.ai(this.Ui._,this.Ns._,this.fi._,this.mi._,this.pi._,this.yi._,this.wi._,this.gi._)})),Object.defineProperty(this,"ready",{O:!0,get:()=>this.Mi}),this.reset=()=>(this.free(),this.li()),this.free=()=>{this.ui.p.oi(this.bi),this.ui.free()},this.Ai=t=>{if(!(t instanceof Uint8Array))throw Error("Data to decode must be Uint8Array. Instead got "+typeof t);const e=this.ui.F(t.length,Uint8Array,!1);e.L.set(t),this.ui.p.ci(this.bi,e._,e.D);let s,i=[];this.wi.L[0]&&i.push("Error: "+this.ui.P(this.wi.L[0])),this.gi.L[0]&&i.push("State: "+this.ui.P(this.gi.L[0])),i.length&&(s=i.join("; "),console.error("@wasm-audio-decoders/flac: \n\t"+i.join("\n\t")));const r=new Float32Array(this.ui.p.V,this.pi.L[0],this.yi.L[0]),n={error:s,outputBuffer:this.ui.B(r,this.Ui.L[0],this.mi.L[0]),samplesDecoded:this.mi.L[0]};return this.ui.p.W(this.pi.L[0]),this.yi.L[0]=0,this.mi.L[0]=0,n},this.decodeFrames=t=>{let e=[],s=[],i=0;for(let r=0;r<t.length;r++){let n=0;const h=t[r];for(;n<h.length;){const t=h.subarray(n,n+this.Ti);n+=t.length;const r=this.Ai(t);e.push(r.outputBuffer),i+=r.samplesDecoded,r.error&&this.ui.H(s,r.error,h.length),this.I+=h.length,this.Y+=r.samplesDecoded}this.q++}return this.di.$(s,e,this.Ui.L[0],i,this.Ns.L[0],this.fi.L[0])},this.xi=jt.rt,this.di=jt.et||s,this.Z=jt.st||Rt,this.K=jt.it,this.Ti=524280,this.Mi=this.li(),this}const Qt=Symbol();class Xt{constructor(){this.Os=t=>{if("flac"!==t)throw Error("@wasm-audio-decoders/flac does not support this codec "+t)},new s,this.li(),this[Qt](jt)}li(){this.xt=new Nt("audio/flac",{Es:this.Os,Vs:!1})}[Qt](t){if(this.bi){const t=this.bi;t.ready.then((()=>t.free()))}this.bi=new t,this.Mi=this.bi.ready}get ready(){return this.Mi}async reset(){this.li(),this.bi.reset()}free(){this.bi.free()}async decode(t){return this.bi.decodeFrames([...this.xt.Is(t)].map((t=>t.data)))}async flush(){const t=this.bi.decodeFrames([...this.xt.flush()].map((t=>t.data)));return this.reset(),t}async decodeFile(t){const e=this.bi.decodeFrames([...this.xt.parseAll(t)].map((t=>t.data)));return this.reset(),e}async decodeFrames(t){return this.bi.decodeFrames(t)}}class te extends i{constructor(t){super(t,"flac-decoder",jt,Rt)}async decodeFrames(t){return this.at("decodeFrames",t)}}t.FLACDecoder=Xt,t.FLACDecoderWebWorker=class extends Xt{constructor(){super(),super[Qt](te)}async free(){super.free()}}},"object"==typeof exports&&"undefined"!=typeof module?e(exports,require("@eshaz/web-worker")):"function"==typeof define&&define.amd?define(["exports","@eshaz/web-worker"],e):e((t="undefined"!=typeof globalThis?globalThis:t||self)["flac-decoder"]={},t.Worker); | ||
| & ¬è;2þ}¼lc 259AÝELDNÅÈp]ç=MÌ"Ì*¢£w÷B²Më«E£ó»¹ÃAéÚÒøL´JN9K=}QÎà½\" íªú1©ñB%¦ ã?ëâkÁ¬##j9§uOb@´µU7¯Ï±%Qå]·-Õ°ÀCÑÕ×ú;ëÖ%Ö=M¼§×<TjþG+¹-· V±:B×Ã[ ë$VÍÅýrG> æ èÿç#õ< 2ûSB¶´-\a;³y+ØêÝØ:UZû©Xrvú)íÂé©ØH+ÈZ@¹µZ¾ãú\R¸÷âæØ+Y¯Gá/âûìÇÙ¸ì! ÷Õ,6X²â#:{Y×w¶ZÔ{\ ìx^ý)Ù¬90úºy×Û`});var h,a,o,c,l,d,u,U,f=new TextDecoder("utf8"),m={Xs:{},ti:[null,[],[]],ei(t,i){var r=m.ti[t];0===i||10===i?((1===t?e:s)(((t,e,s)=>{for(var i=0;t[i]&&!(i>=NaN);)++i;return f.decode(t.subarray?t.subarray(0,i):new Uint8Array(t.slice(0,i)))})(r)),r.length=0):r.push(i)},si:void 0,get:()=>(m.si+=4,h[m.si-4>>2]),ii(t){var e=((t,e)=>{if(!t)return"";for(var s=t+void 0,i=t;!(i>=s)&&a[i];)++i;return f.decode(a.subarray(t,i))})(t);return e},ri:(t,e)=>t},p={a:{d(t,e,s){a.copyWithin(t,e,e+s)},c(t){a.length,(t=>{throw"OOM"})()},b:t=>0,a(t,e,s,i){var r=m.ni(t),n=m.hi(r,e,s);return h[i>>2]=n,0},e(t,e,s,i,r){}}};this.o=e=>{t.o(Rt,e)},this.u=()=>t.u(Rt),this.instantiate=()=>(this.u().then((t=>WebAssembly.instantiate(t,p))).then((t=>{var e,s=t.exports;c=s.h,l=s.i,d=s.j,u=s.k,U=s.l,s.m,e=s.f.buffer,o=e,h=new Int32Array(e),a=new Uint8Array(e),(t=>{t.g()})(s),i()})),this.ready=new Promise((t=>{i=t})).then((()=>{this.V=o,this.C=l,this.W=c,this.ai=d,this.oi=u,this.ci=U})),this)}function jt(){return this.li=()=>new this.di(this).instantiate().then((t=>{this.ui=t,this.Ui=this.ui.F(1,Uint32Array),this.Ns=this.ui.F(1,Uint32Array),this.fi=this.ui.F(1,Uint32Array),this.mi=this.ui.F(1,Uint32Array),this.pi=this.ui.F(1,Uint32Array),this.yi=this.ui.F(1,Uint32Array),this.wi=this.ui.F(1,Uint32Array),this.gi=this.ui.F(1,Uint32Array),this.bi=this.ui.p.ai(this.Ui._,this.Ns._,this.fi._,this.mi._,this.pi._,this.yi._,this.wi._,this.gi._)})),Object.defineProperty(this,"ready",{O:!0,get:()=>this.Mi}),this.reset=()=>(this.free(),this.li()),this.free=()=>{this.ui.p.oi(this.bi),this.ui.free()},this.Ti=t=>{if(!(t instanceof Uint8Array))throw Error("Data to decode must be Uint8Array. Instead got "+typeof t);const e=this.ui.F(t.length,Uint8Array,!1);e.L.set(t),this.ui.p.ci(this.bi,e._,e.D);let s,i=[];this.wi.L[0]&&i.push("Error: "+this.ui.P(this.wi.L[0])),this.gi.L[0]&&i.push("State: "+this.ui.P(this.gi.L[0])),i.length&&(s=i.join("; "),console.error("@wasm-audio-decoders/flac: \n\t"+i.join("\n\t")));const r=new Float32Array(this.ui.p.V,this.pi.L[0],this.yi.L[0]),n={error:s,outputBuffer:this.ui.B(r,this.Ui.L[0],this.mi.L[0]),samplesDecoded:this.mi.L[0]};return this.ui.p.W(this.pi.L[0]),this.yi.L[0]=0,this.mi.L[0]=0,n},this.decodeFrames=t=>{let e=[],s=[],i=0;for(let r=0;r<t.length;r++){let n=0;const h=t[r];for(;n<h.length;){const t=h.subarray(n,n+this.Ai);n+=t.length;const r=this.Ti(t);e.push(r.outputBuffer),i+=r.samplesDecoded,r.error&&this.ui.H(s,r.error,h.length),this.I+=h.length,this.Y+=r.samplesDecoded}this.q++}return this.di.$(s,e,this.Ui.L[0],i,this.Ns.L[0],this.fi.L[0])},this.xi=jt.rt,this.di=jt.et||s,this.Z=jt.st||Rt,this.K=jt.it,this.Ai=524280,this.Mi=this.li(),this}const Qt=Symbol();class Xt{constructor(){this.Os=t=>{if("flac"!==t)throw Error("@wasm-audio-decoders/flac does not support this codec "+t)},new s,this.li(),this[Qt](jt)}li(){this.xt=new Nt("audio/flac",{Es:this.Os,Vs:!1})}[Qt](t){if(this.bi){const t=this.bi;t.ready.then((()=>t.free()))}this.bi=new t,this.Mi=this.bi.ready}get ready(){return this.Mi}async reset(){this.li(),this.bi.reset()}free(){this.bi.free()}async decode(t){return this.bi.decodeFrames([...this.xt.Is(t)].map((t=>t.data)))}async flush(){const t=this.bi.decodeFrames([...this.xt.flush()].map((t=>t.data)));return this.reset(),t}async decodeFile(t){const e=this.bi.decodeFrames([...this.xt.parseAll(t)].map((t=>t.data)));return this.reset(),e}async decodeFrames(t){return this.bi.decodeFrames(t)}}class te extends i{constructor(t){super(t,"flac-decoder",jt,Rt)}async decodeFrames(t){return this.at("decodeFrames",t)}}t.FLACDecoder=Xt,t.FLACDecoderWebWorker=class extends Xt{constructor(){super(),super[Qt](te)}async free(){super.free()}}},"object"==typeof exports&&"undefined"!=typeof module?e(exports,require("@eshaz/web-worker")):"function"==typeof define&&define.amd?define(["exports","@eshaz/web-worker"],e):e((t="undefined"!=typeof globalThis?globalThis:t||self)["flac-decoder"]={},t.Worker); | ||
| //# sourceMappingURL=flac-decoder.min.js.map |
| { | ||
| "name": "@wasm-audio-decoders/flac", | ||
| "version": "0.1.0", | ||
| "version": "0.1.1", | ||
| "description": "Web Assembly streaming FLAC decoder", | ||
@@ -50,5 +50,5 @@ "type": "module", | ||
| "dependencies": { | ||
| "@wasm-audio-decoders/common": "6.0.0", | ||
| "@wasm-audio-decoders/common": "6.0.1", | ||
| "codec-parser": "2.2.0" | ||
| } | ||
| } |
Sorry, the diff of this file is not supported yet
No alert changes
Improved metrics
- Total package byte prevSize
- increased by0.05%
176514
Dependency changes
+ Added@wasm-audio-decoders/common@6.0.1(transitive)
- Removed@wasm-audio-decoders/common@6.0.0(transitive)