@fly-cut/av-cliper/dist/av-cliper.umd.cjs

WebCodecs-based, combine video, audio, images, text, with animation support 基于 WebCodecs 合成 视频、音频、图片、文字，支持动画

(function(v,A){typeof exports=="object"&&typeof module<"u"?A(exports,require("@webav/mp4box.js"),require("@fly-cut/internal-utils"),require("wave-resampler"),require("opfs-tools")):typeof define=="function"&&define.amd?define(["exports","@webav/mp4box.js","@fly-cut/internal-utils","wave-resampler","opfs-tools"],A):(v=typeof globalThis<"u"?globalThis:v||self,A(v["av-cliper"]={},v.mp4box,v.internalUtils,v.waveResampler,v.opfsTools))})(this,function(v,A,C,_e,Gt){"use strict";var sn=Object.defineProperty;var Wi=v=>{throw TypeError(v)};var nn=(v,A,C)=>A in v?sn(v,A,{enumerable:!0,configurable:!0,writable:!0,value:C}):v[A]=C;var I=(v,A,C)=>nn(v,typeof A!="symbol"?A+"":A,C),wi=(v,A,C)=>A.has(v)||Wi("Cannot "+C);var i=(v,A,C)=>(wi(v,A,"read from private field"),C?C.call(v):A.get(v)),m=(v,A,C)=>A.has(v)?Wi("Cannot add the same private member more than once"):A instanceof WeakSet?A.add(v):A.set(v,C),d=(v,A,C,_e)=>(wi(v,A,"write to private field"),_e?_e.call(v,C):A.set(v,C),C),S=(v,A,C)=>(wi(v,A,"access private method"),C);var We,qt,de,U,W,Z,pt,M,at,Qt,Pt,tt,$,Ut,Jt,zi,Vi,z,Dt,Mt,ue,Ot,ct,Y,xt,Bt,Kt,fe,Zt,vt,me,_t,pe,ge,we,et,Lt,lt,gt,J,te,ye,be,ze,Ve,X,K,B,He,Hi,zt,it,ht,G,Ne,Ni,St,dt,Vt,Ce,ee,ie,P,se,Xe,E,st,q,_,At,xe,V,yi,$i,bi,Xi,ji,Yi,nt,ut,O,j,L,H,D,Ci,Gi,je,xi,Ye,Ge,qi,Se,Ae,Te,ke,Ie,Re,Fe,Tt,he,kt,Ee,Ht,ne,It,ft,Nt,Rt,Pe,yt,Ft,$t,oe,bt,vi,Xt,N,ot,jt,Qi,Ui,De,mt,Me,rt,re,Oe,Be,Yt,ae,Et,ce,Ji,Ki;function Zi(r){const t=Object.create(null,{[Symbol.toStringTag]:{value:"Module"}});if(r){for(const e in r)if(e!=="default"){const s=Object.getOwnPropertyDescriptor(r,e);Object.defineProperty(t,e,s.get?s:{enumerable:!0,get:()=>r[e]})}}return t.default=r,Object.freeze(t)}const ts=Zi(_e);function es(r){return document.createElement(r)}function is(r,t){const e=es("pre");e.style.cssText=`margin: 0; ${t}; visibility: hidden; position: fixed;`,e.textContent=r,document.body.appendChild(e);const{width:s,height:n}=e.getBoundingClientRect();e.remove(),e.style.visibility="visible";const o=new Image;o.width=s,o.height=n;const a=`
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Float32Array(t*2);for(let o=0;o<t;o++){let a=0,l=0;for(let c=0;c<r.length;c++){const h=((s=r[c][0])==null?void 0:s[o])??0,u=((n=r[c][1])==null?void 0:n[o])??h;a+=h,l+=u}e[o]=a,e[o+t]=l}return e}async function ls(r,t,e){const s=r.length,n=Array(e.chanCount).fill(0).map(()=>new Float32Array(0));if(s===0)return n;const o=Math.max(...r.map(h=>h.length));if(o===0)return n;if(globalThis.OfflineAudioContext==null)return r.map(h=>new Float32Array(ts.resample(h,t,e.rate,{method:"sinc",LPF:!1})));const a=new globalThis.OfflineAudioContext(e.chanCount,o*e.rate/t,e.rate),l=a.createBufferSource(),c=a.createBuffer(s,o,t);return r.forEach((h,u)=>c.copyToChannel(h,u)),l.buffer=c,l.connect(a.destination),l.start(),qe(await a.startRendering())}function Qe(r){return new Promise(t=>{const e=C.workerTimer(()=>{e(),t()},r)})}function Ue(r,t,e){const s=e-t,n=new Float32Array(s);let o=0;for(;o<s;)n[o]=r[(t+o)%r.length],o+=1;return n}function Ti(r,t){const e=Math.floor(r.length/t),s=new Float32Array(e);for(let 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o=ki(r);s.audioTrackConf={timescale:n.timescale,samplerate:n.audio.sample_rate,channel_count:n.audio.channel_count,hdlr:"soun",type:n.codec.startsWith("mp4a")?"mp4a":n.codec,description:ki(r)},s.audioDecoderConf={codec:n.codec.startsWith("mp4a")?R.codec:n.codec,numberOfChannels:n.audio.channel_count,sampleRate:n.audio.sample_rate,...o==null?{}:ds(o)}}return s}function hs(r){for(const t of r.mdia.minf.stbl.stsd.entries){const e=t.avcC??t.hvcC??t.av1C??t.vpcC;if(e!=null){const s=new A.DataStream(void 0,0,A.DataStream.BIG_ENDIAN);return e.write(s),new Uint8Array(s.buffer.slice(8))}}throw Error("avcC, hvcC, av1C or VPX not found")}function ki(r,t="mp4a"){var s;const e=(s=r.moov)==null?void 0:s.traks.map(n=>n.mdia.minf.stbl.stsd.entries).flat().find(({type:n})=>n===t);return e==null?void 0:e.esds}function ds(r){var l;const t=(l=r.esd.descs[0])==null?void 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e.ready,e.tickInterceptor=this.tickInterceptor,t.push(e)}if(i(this,at).length>0){const e=new Ct({localFile:i(this,W),videoSamples:[],audioSamples:[...i(this,at)],decoderConf:{audio:i(this,tt).audio,video:null},headerBoxPos:i(this,Z)},i(this,$));await e.ready,e.tickInterceptor=this.tickInterceptor,t.push(e)}return t}destroy(){var t,e;i(this,de)||(i(this,qt).info("MP4Clip destroy"),d(this,de,!0),(t=i(this,Qt))==null||t.destroy(),(e=i(this,Pt))==null||e.destroy())}};We=new WeakMap,qt=new WeakMap,de=new WeakMap,U=new WeakMap,W=new WeakMap,Z=new WeakMap,pt=new WeakMap,M=new WeakMap,at=new WeakMap,Qt=new WeakMap,Pt=new WeakMap,tt=new WeakMap,$=new WeakMap,Ut=new WeakMap,Jt=new WeakSet,zi=function(t,e){if(i(this,M).length===0)return[];const s=[],n=[];let o=-1,a=-1;for(let c=0;c<i(this,M).length;c++){const h=i(this,M)[c];if(h.is_idr){if(h.cts<t)o=c;else if(h.cts>=e&&a===-1){a=c;break}}}if(o===-1){for(let c=0;c<i(this,M).length;c++)if(i(this,M)[c].is_idr){o=c;break}}if(a===-1){for(let c=i(this,M).length-1;c>=0;c--)if(i(this,M)[c].is_idr){a=c;break}}if(o!==-1)for(let c=o;c<i(this,M).length;c++){const h=i(this,M)[c];if(h.cts>=t)break;s.push({...h})}if(a!==-1){const c=e-t;for(let h=a;h<i(this,M).length;h++){const u=i(this,M)[h];n.push({...u,cts:u.cts-c})}}const l=[...s,...n];return l.length>0&&!l[0].is_idr&&i(this,qt).warn("First sample is not IDR frame after merging, samples might be corrupted"),l},Vi=function(t,e){if(i(this,at).length===0)return[];const s=[],n=[];for(const o of i(this,at))o.cts<t?s.push({...o}):o.cts>=e&&n.push({...o,cts:o.cts-(e-t)});return[...s,...n]};let ti=Ct;function fs(r,t,e){const s={duration:0,width:0,height:0,audioSampleRate:0,audioChanCount:0};r.video!=null&&t.length>0&&(s.width=r.video.codedWidth??0,s.height=r.video.codedHeight??0),r.audio!=null&&e.length>0&&(s.audioSampleRate=R.sampleRate,s.audioChanCount=R.channelCount);let n=0,o=0;if(t.length>0)for(let a=t.length-1;a>=0;a--){const 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if(y==="audio"&&t.audio){c===-1&&(c=g[0].dts);for(const x of g)o.push(p(x,c,"audio"))}}),await h.close();const u=n.at(-1)??o.at(-1);if(e==null)throw Error("MP4Clip stream is done, but not emit ready");if(u==null)throw Error("MP4Clip stream not contain any sample");return ii(n),C.Log.info("mp4 stream parsed"),{videoSamples:n,audioSamples:o,decoderConf:s,headerBoxPos:a};function p(f,y=0,g){const x=g==="video"&&f.is_sync?vs(f.data,f.description.type):-1;let w=f.offset,b=f.size;return x>=0&&(w+=x,b-=x),{...f,is_idr:x>=0,offset:w,size:b,cts:(f.cts-y)/f.timescale*1e6,dts:(f.dts-y)/f.timescale*1e6,duration:f.duration/f.timescale*1e6,timescale:1e6,data:g==="video"?null:f.data}}}class Ri{constructor(t,e,s){m(this,z,null);m(this,Dt,0);m(this,Mt,{abort:!1,st:performance.now()});I(this,"find",async t=>{(i(this,z)==null||i(this,z).state==="closed"||t<=i(this,Dt)||t-i(this,Dt)>3e6)&&i(this,_t).call(this,t),i(this,Mt).abort=!0,d(this,Dt,t),d(this,Mt,{abort:!1,st:performance.now()});const e=await i(this,Zt).call(this,t,i(this,z),i(this,Mt));return d(this,Kt,0),e});m(this,ue,0);m(this,Ot,!1);m(this,ct,0);m(this,Y,[]);m(this,xt,0);m(this,Bt,0);m(this,Kt,0);m(this,fe,!1);m(this,Zt,async(t,e,s)=>{if(e==null||e.state==="closed"||s.abort)return null;if(i(this,Y).length>0){const n=i(this,Y)[0];return t<n.timestamp?null:(i(this,Y).shift(),t>n.timestamp+(n.duration??0)?(n.close(),await i(this,Zt).call(this,t,e,s)):(!i(this,fe)&&i(this,Y).length<10&&i(this,me).call(this,e).catch(o=>{throw d(this,fe,!0),i(this,_t).call(this,t),o}),n))}if(i(this,vt)||i(this,xt)<i(this,Bt)&&e.decodeQueueSize>0){if(performance.now()-s.st>6e3)throw Error(`MP4Clip.tick video timeout, ${JSON.stringify(i(this,pe).call(this))}`);d(this,Kt,i(this,Kt)+1),await Qe(15)}else{if(i(this,ct)>=this.samples.length)return null;try{await i(this,me).call(this,e)}catch(n){throw i(this,_t).call(this,t),n}}return await i(this,Zt).call(this,t,e,s)});m(this,vt,!1);m(this,me,async t=>{var n,o;if(i(this,vt)||t.decodeQueueSize>600)return;let e=i(this,ct)+1;if(e>this.samples.length)return;d(this,vt,!0);let s=!1;for(;e<this.samples.length;e++){const a=this.samples[e];if(!s&&!a.deleted&&(s=!0),a.is_idr)break}if(s){const a=this.samples.slice(i(this,ct),e);if(((n=a[0])==null?void 0:n.is_idr)!==!0)C.Log.warn("First sample not idr frame");else{const l=performance.now(),c=await Ei(a,this.localFileReader),h=performance.now()-l;if(h>1e3){const u=a[0],p=a.at(-1),f=p.offset+p.size-u.offset;C.Log.warn(`Read video samples time cost: ${Math.round(h)}ms, file chunk size: ${f}`)}if(t.state==="closed")return;d(this,ue,((o=c[0])==null?void 0:o.duration)??0),ei(t,c,{onDecodingError:u=>{if(i(this,Ot))throw u;i(this,xt)===0&&(d(this,Ot,!0),C.Log.warn("Downgrade to software decode"),i(this,_t).call(this))}}),d(this,Bt,i(this,Bt)+c.length)}}d(this,ct,e),d(this,vt,!1)});m(this,_t,t=>{var s,n;if(d(this,vt,!1),i(this,Y).forEach(o=>o.close()),d(this,Y,[]),t==null||t===0)d(this,ct,0);else{let o=0;for(let a=0;a<this.samples.length;a++){const l=this.samples[a];if(l.is_idr&&(o=a),!(l.cts<t)){d(this,ct,o);break}}}d(this,Bt,0),d(this,xt,0),((s=i(this,z))==null?void 0:s.state)!=="closed"&&((n=i(this,z))==null||n.close());const e={...this.conf,...i(this,Ot)?{hardwareAcceleration:"prefer-software"}:{}};d(this,z,new VideoDecoder({output:o=>{if(d(this,xt,i(this,xt)+1),o.timestamp===-1){o.close();return}let a=o;o.duration==null&&(a=new VideoFrame(o,{duration:i(this,ue)}),o.close()),i(this,Y).push(a)},error:o=>{if(o.message.includes("Codec reclaimed due to inactivity")){d(this,z,null),C.Log.warn(o.message);return}const a=`VideoFinder VideoDecoder err: ${o.message}, config: ${JSON.stringify(e)}, state: ${JSON.stringify(i(this,pe).call(this))}`;throw C.Log.error(a),Error(a)}})),i(this,z).configure(e)});m(this,pe,()=>{var t,e;return{time:i(this,Dt),decState:(t=i(this,z))==null?void 0:t.state,decQSize:(e=i(this,z))==null?void 0:e.decodeQueueSize,decCusorIdx:i(this,ct),sampleLen:this.samples.length,inputCnt:i(this,Bt),outputCnt:i(this,xt),cacheFrameLen:i(this,Y).length,softDeocde:i(this,Ot),clipIdCnt:Ke,sleepCnt:i(this,Kt),memInfo:Pi()}});I(this,"destroy",()=>{var t,e;((t=i(this,z))==null?void 0:t.state)!=="closed"&&((e=i(this,z))==null||e.close()),d(this,z,null),i(this,Mt).abort=!0,i(this,Y).forEach(s=>s.close()),d(this,Y,[]),this.localFileReader.close()});this.localFileReader=t,this.samples=e,this.conf=s}}z=new WeakMap,Dt=new WeakMap,Mt=new WeakMap,ue=new WeakMap,Ot=new WeakMap,ct=new WeakMap,Y=new WeakMap,xt=new WeakMap,Bt=new WeakMap,Kt=new WeakMap,fe=new WeakMap,Zt=new WeakMap,vt=new WeakMap,me=new WeakMap,_t=new WeakMap,pe=new WeakMap;function ps(r,t){for(let e=0;e<t.length;e++){const s=t[e];if(r>=s.cts&&r<s.cts+s.duration)return e;if(s.cts>r)break}return 0}class gs{constructor(t,e,s,n){m(this,ge,1);m(this,we);m(this,et,null);m(this,Lt,{abort:!1,st:performance.now()});I(this,"find",async t=>{const e=t<=i(this,lt)||t-i(this,lt)>1e5;(i(this,et)==null||i(this,et).state==="closed"||e)&&i(this,ze).call(this),e&&(d(this,lt,t),d(this,gt,ps(t,this.samples))),i(this,Lt).abort=!0;const s=t-i(this,lt);d(this,lt,t),d(this,Lt,{abort:!1,st:performance.now()});const n=await i(this,ye).call(this,Math.ceil(s*(i(this,we)/1e6)),i(this,et),i(this,Lt));return d(this,te,0),n});m(this,lt,0);m(this,gt,0);m(this,J,{frameCnt:0,data:[]});m(this,te,0);m(this,ye,async(t,e=null,s)=>{if(e==null||s.abort||e.state==="closed"||t===0)return[];const n=i(this,J).frameCnt-t;if(n>0)return n<R.sampleRate/10&&i(this,be).call(this,e),Fi(i(this,J),t);if(e.decoding){if(performance.now()-s.st>3e3)throw s.abort=!0,Error(`MP4Clip.tick audio timeout, ${JSON.stringify(i(this,Ve).call(this))}`);d(this,te,i(this,te)+1),await Qe(15)}else{if(i(this,gt)>=this.samples.length-1)return Fi(i(this,J),i(this,J).frameCnt);i(this,be).call(this,e)}return i(this,ye).call(this,t,e,s)});m(this,be,t=>{if(t.decodeQueueSize>10)return;const s=[];let n=i(this,gt);for(;n<this.samples.length;){const o=this.samples[n];if(n+=1,!o.deleted&&(s.push(o),s.length>=10))break}d(this,gt,n),t.decode(s.map(o=>new EncodedAudioChunk({type:"key",timestamp:o.cts,duration:o.duration,data:o.data})))});m(this,ze,()=>{var t;d(this,lt,0),d(this,gt,0),d(this,J,{frameCnt:0,data:[]}),(t=i(this,et))==null||t.close(),d(this,et,ws(this.conf,{resampleRate:R.sampleRate,volume:i(this,ge)},e=>{i(this,J).data.push(e),i(this,J).frameCnt+=e[0].length}))});m(this,Ve,()=>{var t,e;return{time:i(this,lt),decState:(t=i(this,et))==null?void 0:t.state,decQSize:(e=i(this,et))==null?void 0:e.decodeQueueSize,decCusorIdx:i(this,gt),sampleLen:this.samples.length,pcmLen:i(this,J).frameCnt,clipIdCnt:Ke,sleepCnt:i(this,te),memInfo:Pi()}});I(this,"destroy",()=>{d(this,et,null),i(this,Lt).abort=!0,d(this,J,{frameCnt:0,data:[]}),this.localFileReader.close()});this.localFileReader=t,this.samples=e,this.conf=s,d(this,ge,n.volume),d(this,we,n.targetSampleRate)}}ge=new WeakMap,we=new WeakMap,et=new WeakMap,Lt=new WeakMap,lt=new WeakMap,gt=new WeakMap,J=new WeakMap,te=new WeakMap,ye=new WeakMap,be=new WeakMap,ze=new WeakMap,Ve=new WeakMap;function ws(r,t,e){let s=0,n=0;const o=u=>{if(n+=1,u.length!==0){if(t.volume!==1)for(const p of u)for(let f=0;f<p.length;f++)p[f]*=t.volume;u.length===1&&(u=[u[0],u[0]]),e(u)}},a=ys(o),l=t.resampleRate!==r.sampleRate;let c=new AudioDecoder({output:u=>{const p=Si(u);l?a(()=>ls(p,u.sampleRate,{rate:t.resampleRate,chanCount:u.numberOfChannels})):o(p),u.close()},error:u=>{u.message.includes("Codec reclaimed due to inactivity")||h("MP4Clip AudioDecoder err",u)}});c.configure(r);function h(u,p){const f=`${u}: ${p.message}, state: ${JSON.stringify({qSize:c.decodeQueueSize,state:c.state,inputCnt:s,outputCnt:n})}`;throw C.Log.error(f),Error(f)}return{decode(u){s+=u.length;try{for(const p of u)c.decode(p)}catch(p){h("decode audio chunk error",p)}},close(){c.state!=="closed"&&c.close()},get decoding(){return s>n&&c.decodeQueueSize>0},get state(){return c.state},get decodeQueueSize(){return c.decodeQueueSize}}}function ys(r){const t=[];let e=0;function s(a,l){t[l]=a,n()}function n(){const a=t[e];a!=null&&(r(a),e+=1,n())}let o=0;return a=>{const l=o;o+=1,a().then(c=>s(c,l)).catch(c=>s(c,l))}}function Fi(r,t){const e=[new Float32Array(t),new Float32Array(t)];let s=0,n=0;for(;n<r.data.length;){const[o,a]=r.data[n];if(s+o.length>t){const l=t-s;e[0].set(o.subarray(0,l),s),e[1].set(a.subarray(0,l),s),r.data[n][0]=o.subarray(l,o.length),r.data[n][1]=a.subarray(l,a.length);break}else e[0].set(o,s),e[1].set(a,s),s+=o.length,n++}return r.data=r.data.slice(n),r.frameCnt-=t,e}async function Ei(r,t){const e=r[0],s=r.at(-1);if(s==null)return[];const n=s.offset+s.size-e.offset;if(n<3e7){const o=new Uint8Array(await t.read(n,{at:e.offset}));return r.map(a=>{const l=a.offset-e.offset;return new EncodedVideoChunk({type:a.is_sync?"key":"delta",timestamp:a.cts,duration:a.duration,data:o.subarray(l,l+a.size)})})}return await Promise.all(r.map(async o=>new EncodedVideoChunk({type:o.is_sync?"key":"delta",timestamp:o.cts,duration:o.duration,data:await t.read(o.size,{at:o.offset})})))}function bs(r,t,e){const s=new OffscreenCanvas(r,t),n=s.getContext("2d");return async o=>(n.drawImage(o,0,0,r,t),o.close(),await s.convertToBlob(e))}function Cs(r,t){if(r.length===0)return[];let e=0,s=0,n=-1;for(let c=0;c<r.length;c++){const h=r[c];if(n===-1&&t<h.cts&&(n=c-1),h.is_idr)if(n===-1)e=c;else{s=c;break}}const o=r[n];if(o==null)throw Error("Not found video sample by time");const a=r.slice(0,s===0?r.length:s).map(c=>({...c}));for(let c=e;c<a.length;c++){const h=a[c];t<h.cts&&(h.deleted=!0,h.cts=-1)}ii(a);const l=r.slice(o.is_idr?n:e).map(c=>({...c,cts:c.cts-t}));for(const c of l)c.cts<0&&(c.deleted=!0,c.cts=-1);return ii(l),[a,l]}function xs(r,t){if(r.length===0)return[];let e=-1;for(let o=0;o<r.length;o++){const a=r[o];if(!(t>a.cts)){e=o;break}}if(e===-1)throw Error("Not found audio sample by time");const s=r.slice(0,e).map(o=>({...o})),n=r.slice(e).map(o=>({...o,cts:o.cts-t}));return[s,n]}function ei(r,t,e){let s=0;if(r.state==="configured"){for(;s<t.length;s++)r.decode(t[s]);r.flush().catch(n=>{if(!(n instanceof Error))throw n;if(n.message.includes("Decoding error")&&e.onDecodingError!=null){e.onDecodingError(n);return}if(!n.message.includes("Aborted due to close"))throw n})}}function vs(r,t){if(t!=="avc1"&&t!=="hvc1")return 0;const e=new DataView(r.buffer);let s=0;for(;s<r.byteLength-4;){if(t==="avc1"&&(e.getUint8(s+4)&31)===5)return s;if(t==="hvc1"){const n=e.getUint8(s+4)>>1&63;if(n===19||n===20)return s}s+=e.getUint32(s)+4}return-1}async function Ss(r,t,e,s,n,o){const a=await t.createReader(),l=await Ei(r.filter(u=>!u.deleted&&u.is_sync&&u.cts>=n.start&&u.cts<=n.end),a);if(l.length===0||s.aborted)return;let c=0;ei(h(),l,{onDecodingError:u=>{C.Log.warn("thumbnailsByKeyFrame",u),c===0?ei(h(!0),l,{onDecodingError:p=>{a.close(),C.Log.error("thumbnailsByKeyFrame retry soft deocde",p)}}):(o(null,!0),a.close())}});function h(u=!1){const p={...e,...u?{hardwareAcceleration:"prefer-software"}:{}},f=new VideoDecoder({output:y=>{c+=1;const g=c===l.length;o(y,g),g&&(a.close(),f.state!=="closed"&&f.close())},error:y=>{const g=`thumbnails decoder error: ${y.message}, config: ${JSON.stringify(p)}, state: ${JSON.stringify({qSize:f.decodeQueueSize,state:f.state,outputCnt:c,inputCnt:l.length})}`;throw C.Log.error(g),Error(g)}});return s.addEventListener("abort",()=>{a.close(),f.state!=="closed"&&f.close()}),f.configure(p),f}}function ii(r){let t=0,e=null;for(const s of r)if(!s.deleted){if(s.is_sync&&(t+=1),t>=2)break;(e==null||s.cts<e.cts)&&(e=s)}e!=null&&e.cts<2e5&&(e.duration+=e.cts,e.cts=0)}function Pi(){try{const r=performance.memory;return{jsHeapSizeLimit:r.jsHeapSizeLimit,totalJSHeapSize:r.totalJSHeapSize,usedJSHeapSize:r.usedJSHeapSize,percentUsed:(r.usedJSHeapSize/r.jsHeapSizeLimit).toFixed(3),percentTotal:(r.totalJSHeapSize/r.jsHeapSizeLimit).toFixed(3)}}catch{return{}}}const Wt=class Wt{constructor(t){m(this,He);I(this,"ready");m(this,X,{duration:0,width:0,height:0});m(this,K,null);m(this,B,[]);I(this,"tickInterceptor",async(t,e)=>e);const e=s=>(d(this,K,s),i(this,X).width=s.width,i(this,X).height=s.height,i(this,X).duration=1/0,{...i(this,X)});if(t instanceof ReadableStream)this.ready=new Response(t).blob().then(s=>createImageBitmap(s)).then(e);else if(t instanceof ImageBitmap)this.ready=Promise.resolve(e(t));else if(Array.isArray(t)&&t.every(s=>s instanceof VideoFrame)){d(this,B,t);const s=i(this,B)[0];if(s==null)throw Error("The frame count must be greater than 0");d(this,X,{width:s.displayWidth,height:s.displayHeight,duration:i(this,B).reduce((n,o)=>n+(o.duration??0),0)}),this.ready=Promise.resolve({...i(this,X),duration:1/0})}else if("type"in t)this.ready=S(this,He,Hi).call(this,t.stream,t.type).then(()=>({width:i(this,X).width,height:i(this,X).height,duration:1/0}));else throw Error("Illegal arguments")}get meta(){return{...i(this,X)}}async tick(t){if(i(this,K)!=null)return await this.tickInterceptor(t,{video:await createImageBitmap(i(this,K)),state:"success"});const e=t%i(this,X).duration;return await this.tickInterceptor(t,{video:(i(this,B).find(s=>e>=s.timestamp&&e<=s.timestamp+(s.duration??0))??i(this,B)[0]).clone(),state:"success"})}async split(t){if(await this.ready,i(this,K)!=null)return[new Wt(await createImageBitmap(i(this,K))),new Wt(await createImageBitmap(i(this,K)))];let e=-1;for(let o=0;o<i(this,B).length;o++){const a=i(this,B)[o];if(!(t>a.timestamp)){e=o;break}}if(e===-1)throw Error("Not found frame by time");const s=i(this,B).slice(0,e).map(o=>new VideoFrame(o)),n=i(this,B).slice(e).map(o=>new VideoFrame(o,{timestamp:o.timestamp-t}));return[new Wt(s),new Wt(n)]}async clone(){await this.ready;const t=i(this,K)==null?i(this,B).map(e=>e.clone()):await createImageBitmap(i(this,K));return new Wt(t)}destroy(){var t;C.Log.info("ImgClip destroy"),(t=i(this,K))==null||t.close(),i(this,B).forEach(e=>e.close())}};X=new WeakMap,K=new WeakMap,B=new WeakMap,He=new WeakSet,Hi=async function(t,e){d(this,B,await cs(t,e));const s=i(this,B)[0];if(s==null)throw Error("No frame available in gif");d(this,X,{duration:i(this,B).reduce((n,o)=>n+(o.duration??0),0),width:s.codedWidth,height:s.codedHeight}),C.Log.info("ImgClip ready:",i(this,X))};let si=Wt;const wt=class wt{constructor(t,e={}){m(this,Ne);I(this,"ready");m(this,zt,{duration:0,width:0,height:0});m(this,it,new Float32Array);m(this,ht,new Float32Array);m(this,G);I(this,"tickInterceptor",async(t,e)=>e);m(this,St,0);m(this,dt,0);d(this,G,{loop:!1,volume:1,...e}),this.ready=S(this,Ne,Ni).call(this,t).then(()=>({width:0,height:0,duration:e.loop?1/0:i(this,zt).duration}))}get meta(){return{...i(this,zt),sampleRate:R.sampleRate,chanCount:2}}getPCMData(){return[i(this,it),i(this,ht)]}setVolume(t){if(t<0||t>1)throw new Error("Volume must be between 0 and 1");const e=t/i(this,G).volume;for(let s=0;s<i(this,it).length;s++)i(this,it)[s]*=e;for(let s=0;s<i(this,ht).length;s++)i(this,ht)[s]*=e;i(this,G).volume=t}getVolume(){return i(this,G).volume}async tick(t){if(!i(this,G).loop&&t>=i(this,zt).duration)return await this.tickInterceptor(t,{audio:[],state:"done"});const e=t-i(this,St);if(t<i(this,St)||e>3e6)return d(this,St,t),d(this,dt,Math.ceil(i(this,St)/1e6*R.sampleRate)),await this.tickInterceptor(t,{audio:[new Float32Array(0),new Float32Array(0)],state:"success"});d(this,St,t);const s=Math.ceil(e/1e6*R.sampleRate),n=i(this,dt)+s,o=i(this,G).loop?[Ue(i(this,it),i(this,dt),n),Ue(i(this,ht),i(this,dt),n)]:[i(this,it).slice(i(this,dt),n),i(this,ht).slice(i(this,dt),n)];return d(this,dt,n),await this.tickInterceptor(t,{audio:o,state:"success"})}async split(t){await this.ready;const e=Math.ceil(t/1e6*R.sampleRate),s=new wt(this.getPCMData().map(o=>o.slice(0,e)),i(this,G)),n=new wt(this.getPCMData().map(o=>o.slice(e)),i(this,G));return[s,n]}async clone(){await this.ready;const t=new wt(this.getPCMData(),i(this,G));return await t.ready,t}destroy(){d(this,it,new Float32Array(0)),d(this,ht,new Float32Array(0)),C.Log.info("---- audioclip destroy ----")}};zt=new WeakMap,it=new WeakMap,ht=new WeakMap,G=new WeakMap,Ne=new WeakSet,Ni=async function(t){wt.ctx==null&&(wt.ctx=new AudioContext({sampleRate:R.sampleRate}));const e=performance.now(),s=t instanceof ReadableStream?await As(t,wt.ctx):t;C.Log.info("Audio clip decoded complete:",performance.now()-e);const 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null;const w=new A.DataStream;w.endianness=A.DataStream.BIG_ENDIAN;for(let b=x;b<g.length;b++)g[b]!==null&&(g[b].write(w),delete g[b]);return new Uint8Array(w.buffer)}}function Rs(r){const t=new ArrayBuffer(r.byteLength);r.copyTo(t);const e=r.timestamp;return{duration:r.duration??0,dts:e,cts:e,is_sync:r.type==="key",data:t}}async function Oi(r){const t=A.createFile(),e=Is(t);await Fs(r,t);const s=await e();if(s==null)throw Error("Can not generate file from streams");return s}async function Fs(r,t){let e=0,s=0,n=0,o=0,a=0,l=0,c=null,h=null;for(const u of r)await new Promise(async p=>{C.autoReadStream(u.pipeThrough(new Mi),{onDone:p,onChunk:async({chunkType:f,data:y})=>{if(f==="ready"){const{videoTrackConf:g,audioTrackConf:x}=Je(y.file,y.info);e===0&&g!=null&&(e=t.addTrack(g)),o===0&&x!=null&&(o=t.addTrack(x))}else 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AudioData({timestamp:l,numberOfChannels:r.numberOfChannels,numberOfFrames:a.length/r.numberOfChannels,sampleRate:r.sampleRate,format:"f32-planar",data:a})}return{encode:async(a,l)=>{n!=null&&s.encode(o(n.data,n.ts)),n={data:a,ts:l}},stop:async()=>{n!=null&&(Ms(n.data,r.numberOfChannels,r.sampleRate),s.encode(o(n.data,n.ts)),n=null),await s.flush(),s.close()}}}function Ms(r,t,e){const s=r.length-1,n=Math.min(e/2,s);for(let o=0;o<n;o++)for(let a=1;a<=t;a++)r[Math.floor(s/a)-o]*=o/n}function Os(r,t){C.Log.info("mixinMP4AndAudio, opts:",{volume:t.volume,loop:t.loop});const e=A.createFile(),{stream:s,stop:n}=C.file2stream(e,500);let o=null,a=null,l=[],c=0,h=0,u=0,p=!0,f=R.sampleRate;C.autoReadStream(r.pipeThrough(new Mi),{onDone:async()=>{await(a==null?void 0:a.stop()),o==null||o.close(),n()},onChunk:async({chunkType:w,data:b})=>{if(w==="ready"){const{videoTrackConf:T,audioTrackConf:k,audioDecoderConf:F}=Je(b.file,b.info);c===0&&T!=null&&(c=e.addTrack(T));const Q=k??{timescale:1e6,samplerate:f,channel_count:R.channelCount,hdlr:"soun",name:"SoundHandler",type:"mp4a"};h===0&&(h=e.addTrack(Q),f=(k==null?void 0:k.samplerate)??f,p=k!=null);const mi=new AudioContext({sampleRate:f});l=qe(await mi.decodeAudioData(await new Response(t.stream).arrayBuffer())),F!=null&&(o=Ps(F)),a=Ds(F??{codec:Q.type==="mp4a"?R.codec:Q.type,numberOfChannels:Q.channel_count,sampleRate:Q.samplerate},le=>e.addSample(h,le.data,le))}else if(w==="samples"){const{id:T,type:k,samples:F}=b;if(k==="video"){F.forEach(Q=>e.addSample(T,Q.data,Q)),p||await g(F);return}k==="audio"&&await x(F)}}});fu