audio/dist/audio.min.js

Audio loading, editing, and rendering for JavaScript

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      class MicProcessor extends AudioWorkletProcessor {
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        }
      }
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R=y[M][b],E=(b*m+M)*A;w===16?k.setInt16(E,Math.max(-32768,Math.min(32767,Math.round(R*32767))),!0):w===32?k.setFloat32(E,R,!0):w===8&&(x[E]=Math.max(0,Math.min(255,Math.round((R+1)*127.5))))}return x}}var St=br(()=>{});function re(e){if(e){if(e=new Uint8Array(e.buffer||e),Rr(e))return"wav";if(Ir(e))return"aiff";if(kr(e))return"mp3";if(Cr(e))return"aac";if(Er(e))return"flac";if(Sr(e))return"m4a";if(Fr(e))return"opus";if(vr(e))return"oga";if(Pr(e))return"qoa";if(Lr(e))return"mid";if(Or(e))return"caf";if(Dr(e))return"wma";if(Tr(e))return"amr";if(Br(e))return"webm"}}function kr(e){if(!(!e||e.length<3))return e[0]===73&&e[1]===68&&e[2]===51||e[0]===255&&(e[1]&224)===224&&(e[1]&6)!==0||e[0]===84&&e[1]===65&&e[2]===71}function Rr(e){if(!(!e||e.length<12))return e[0]===82&&e[1]===73&&e[2]===70&&e[3]===70&&e[8]===87&&e[9]===65&&e[10]===86&&e[11]===69}function vr(e){if(!(!e||e.length<4))return e[0]===79&&e[1]===103&&e[2]===103&&e[3]===83}function Er(e){if(!(!e||e.length<4))return 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e[0]===48&&e[1]===38&&e[2]===178&&e[3]===117&&e[4]===142&&e[5]===102&&e[6]===207&&e[7]===17}function Tr(e){if(!(!e||e.length<5))return e[0]===35&&e[1]===33&&e[2]===65&&e[3]===77&&e[4]===82}function Br(e){if(!(!e||e.length<4))return e[0]===26&&e[1]===69&&e[2]===223&&e[3]===163}var ae=Object.freeze({channelData:Object.freeze([]),sampleRate:0});function V(e,t){return t?ct(e,t):Ur(e)}async function Ur(e){if(!e||typeof e=="string"||!(e.buffer||e.byteLength||e.length))throw TypeError("Expected ArrayBuffer or Uint8Array");let t=new Uint8Array(e),n=re(t);if(!n)throw Error("Unknown audio format");if(!V[n])throw Error("No decoder for "+n);let r=await V[n]();try{let l=await r(t),a=await r();return pt(l,a)}catch(l){throw r.free(),l}}async function*ct(e,t){if(!V[t])throw Error("No decoder for "+t);let n=await V[t]();try{if(e.getReader){let l=e.getReader();for(;;){let{done:a,value:i}=await l.read();if(a)break;let o=await n(i instanceof Uint8Array?i:new Uint8Array(i));o.channelData.length&&(yield o)}}else for await(let l of e){let a=await n(l instanceof Uint8Array?l:new Uint8Array(l));a.channelData.length&&(yield a)}let r=await n();r.channelData.length&&(yield r)}finally{n.free()}}function j(e,t){V[e]=jr(e,async()=>{let n=await t();if(n.decoder){let a=await n.decoder();return ht(i=>a.decode(i),a.flush?()=>a.flush():null,a.free?()=>a.free():null)}let r=n.default||n,l=typeof r=="function"?await r():r;return l.ready&&await l.ready,ht(a=>l.decode(a),l.flush?()=>l.flush():null,l.free?()=>l.free():null)})}function jr(e,t){return r=>r?r[Symbol.asyncIterator]||r.getReader?ct(r,e):(console.warn("decode."+e+"(data) is deprecated, use decode(data)"),(async()=>{let l=await t();try{let a=await l(r instanceof Uint8Array?r:new Uint8Array(r.buffer||r)),i=await l();return pt(a,i)}catch(a){throw l.free(),a}})()):t()}j("mp3",()=>import("@audio/decode-mp3"));j("flac",()=>import("@audio/decode-flac"));j("opus",()=>import("@audio/decode-opus"));j("oga",()=>import("@audio/decode-vorbis"));j("m4a",()=>import("@audio/decode-aac"));j("wav",()=>import("@audio/decode-wav"));j("qoa",()=>import("@audio/decode-qoa"));j("aac",()=>import("@audio/decode-aac"));j("aiff",()=>import("@audio/decode-aiff"));j("caf",()=>import("@audio/decode-caf"));j("webm",()=>import("@audio/decode-webm"));j("amr",()=>import("@audio/decode-amr"));j("wma",()=>import("@audio/decode-wma"));function ht(e,t,n){let r=!1,l=async a=>{if(a){if(r)throw Error("Decoder already freed");try{return De(await e(a instanceof Uint8Array?a:new Uint8Array(a)))}catch(i){throw r=!0,n?.(),i}}if(r)return ae;r=!0;try{let i=t?De(await t()):ae;return n?.(),i}catch(i){throw n?.(),i}};return l.flush=async()=>r?ae:t?De(await t()):ae,l.free=()=>{r||(r=!0,n?.())},l}function De(e){if(!e?.channelData?.length)return 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t=e?.at??0,n=e?.duration,r=this,l=g.BLOCK_SIZE;r.playing&&(r.playing=!1,r.paused=!1,r._._wake&&r._._wake()),r.playing=!1,r.paused=e?.paused??!1,r.currentTime=t,e?.volume!=null&&(r.volume=e.volume),e?.rate!=null&&(r.playbackRate=e.rate),r.loop=e?.loop??!1,r.block=null,r._._wake=null,r._._seekTo=null,r.ended=!1;let a,i;return r.played=new Promise((o,u)=>{a=o,i=u}),r.played.catch(()=>{}),(async()=>{try{let o=r.channels,u=r.sampleRate;r.playing=!0,r.paused||O(r,"play");let f=!1,s=async()=>{for(;r.paused&&r.playing&&r._._seekTo==null;)await new Promise(d=>{r._._wake=d});r._._wake=null},h=t,c=256;for(;r.playing;){if(r.paused){if(await s(),!r.playing)break;r._._seekTo!=null&&(h=r._._seekTo,r._._seekTo=null,r.currentTime=h,r.seeking=!1)}let d=sn({sampleRate:u*(r.playbackRate||1),channels:o,bitDepth:32}),p=!1,y=0,w=!0,m=async()=>{let _=new Uint8Array(l*o*4);await new Promise(A=>d(_,A)),await new Promise(A=>d(_,A))};for await(let _ of r.stream({at:h,duration:n})){if(!r.playing)break;let 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