forked from vgaNAR6ta/drags-and-nerds
vgaNAR6ta
13c91b464f
préparation du template intégration du fond animé fusion du style background et style pcp
6 lines
25 KiB
JavaScript
6 lines
25 KiB
JavaScript
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i(this,R))p(this,D,I).call(this,i(this,x),s);for(let s of i(this,L))p(this,D,I).call(this,i(this,w),s);p(this,Ce,Ze).call(this,!1)}else i(this,x)&&p(this,te,ze).call(this,i(this,x)),i(this,w)&&p(this,te,ze).call(this,i(this,w));let e=[i(this,x),i(this,w)].filter(Boolean);if(i(this,h).fastStart==="in-memory"){let s;for(let n=0;n<2;n++){let a=ie(e,i(this,W)),l=i(this,u).measureBox(a);s=i(this,u).measureBox(i(this,A));let m=i(this,u).pos+l+s;for(let d of i(this,X)){d.offset=m;for(let{data:T}of d.samples)m+=T.byteLength,s+=T.byteLength}if(m<2**32)break;s>=2**32&&(i(this,A).largeSize=!0)}let r=ie(e,i(this,W));i(this,u).writeBox(r),i(this,A).size=s,i(this,u).writeBox(i(this,A));for(let n of i(this,X))for(let a of n.samples)i(this,u).write(a.data),a.data=null}else if(i(this,h).fastStart==="fragmented"){let s=i(this,u).pos,r=rt(e);i(this,u).writeBox(r);let n=i(this,u).pos-s;i(this,u).seek(i(this,u).pos-4),i(this,u).writeU32(n)}else{let s=i(this,u).offsets.get(i(this,A)),r=i(this,u).pos-s;i(this,A).size=r,i(this,A).largeSize=r>=2**32,i(this,u).patchBox(i(this,A));let n=ie(e,i(this,W));if(typeof i(this,h).fastStart=="object"){i(this,u).seek(i(this,ce)),i(this,u).writeBox(n);let a=s-i(this,u).pos;i(this,u).writeBox(st(a))}else i(this,u).writeBox(n)}p(this,G,pe).call(this),i(this,u).finalize(),S(this,ee,!0)}};h=new WeakMap,u=new WeakMap,ce=new WeakMap,A=new WeakMap,x=new WeakMap,w=new WeakMap,W=new WeakMap,X=new WeakMap,De=new WeakMap,R=new WeakMap,L=new WeakMap,ee=new WeakMap,Ee=new WeakSet,ot=function(e){if(e.video){if(!ls.includes(e.video.codec))throw new Error(`Unsupported video codec: ${e.video.codec}`);let s=e.video.rotation;if(typeof s=="number"&&![0,90,180,270].includes(s))throw new Error(`Invalid video rotation: ${s}. Has to be 0, 90, 180 or 270.`);if(Array.isArray(s)&&(s.length!==9||s.some(r=>typeof r!="number")))throw new Error(`Invalid video transformation matrix: ${s.join()}`)}if(e.audio&&!ms.includes(e.audio.codec))throw new Error(`Unsupported audio codec: ${e.audio.codec}`);if(e.firstTimestampBehavior&&!us.includes(e.firstTimestampBehavior))throw new Error(`Invalid first timestamp behavior: ${e.firstTimestampBehavior}`);if(typeof e.fastStart=="object"){if(e.video&&e.fastStart.expectedVideoChunks===void 0)throw new Error("'fastStart' is an object but is missing property 'expectedVideoChunks'.");if(e.audio&&e.fastStart.expectedAudioChunks===void 0)throw new Error("'fastStart' is an object but is missing property 'expectedAudioChunks'.")}else if(![!1,"in-memory","fragmented"].includes(e.fastStart))throw new Error("'fastStart' option must be false, 'in-memory', 'fragmented' or an object.")},_e=new WeakSet,lt=function(){if(i(this,u).writeBox(tt({holdsAvc:i(this,h).video?.codec==="avc",fragmented:i(this,h).fastStart==="fragmented"})),S(this,ce,i(this,u).pos),i(this,h).fastStart==="in-memory")S(this,A,we(!1));else if(i(this,h).fastStart!=="fragmented"){if(typeof i(this,h).fastStart=="object"){let e=p(this,Ie,mt).call(this);i(this,u).seek(i(this,u).pos+e)}S(this,A,we(!0)),i(this,u).writeBox(i(this,A))}p(this,G,pe).call(this)},Ie=new WeakSet,mt=function(){if(typeof i(this,h).fastStart!="object")return;let e=0,s=[i(this,h).fastStart.expectedVideoChunks,i(this,h).fastStart.expectedAudioChunks];for(let r of s)r&&(e+=(4+4)*Math.ceil(2/3*r),e+=4*r,e+=(4+4+4)*Math.ceil(2/3*r),e+=4*r,e+=8*r);return e+=4096,e},Me=new WeakSet,ht=function(){if(i(this,h).video&&S(this,x,{id:1,info:{type:"video",codec:i(this,h).video.codec,width:i(this,h).video.width,height:i(this,h).video.height,rotation:i(this,h).video.rotation??0,decoderConfig:null},timescale:11520,samples:[],finalizedChunks:[],currentChunk:null,firstDecodeTimestamp:void 0,lastDecodeTimestamp:-1,timeToSampleTable:[],compositionTimeOffsetTable:[],lastTimescaleUnits:null,lastSample:null,compactlyCodedChunkTable:[]}),i(this,h).audio){let e=p(this,Pe,ut).call(this,2,i(this,h).audio.sampleRate,i(this,h).audio.numberOfChannels);S(this,w,{id:i(this,h).video?2:1,info:{type:"audio",codec:i(this,h).audio.codec,numberOfChannels:i(this,h).audio.numberOfChannels,sampleRate:i(this,h).audio.sampleRate,decoderConfig:{codec:i(this,h).audio.codec,description:e,numberOfChannels:i(this,h).audio.numberOfChannels,sampleRate:i(this,h).audio.sampleRate}},timescale:i(this,h).audio.sampleRate,samples:[],finalizedChunks:[],currentChunk:null,firstDecodeTimestamp:void 0,lastDecodeTimestamp:-1,timeToSampleTable:[],compositionTimeOffsetTable:[],lastTimescaleUnits:null,lastSample:null,compactlyCodedChunkTable:[]})}},Pe=new WeakSet,ut=function(e,s,r){let a=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350].indexOf(s),l=r,m="";m+=e.toString(2).padStart(5,"0"),m+=a.toString(2).padStart(4,"0"),a===15&&(m+=s.toString(2).padStart(24,"0")),m+=l.toString(2).padStart(4,"0");let d=Math.ceil(m.length/8)*8;m=m.padEnd(d,"0");let T=new Uint8Array(m.length/8);for(let v=0;v<m.length;v+=8)T[v/8]=parseInt(m.slice(v,v+8),2);return T},Te=new WeakSet,Ge=function(e,s,r,n,a,l,m){let d=n/1e6,T=(n-(m??0))/1e6,v=a/1e6,F=p(this,Ve,ft).call(this,d,T,e);return d=F.presentationTimestamp,T=F.decodeTimestamp,l?.decoderConfig&&(e.info.decoderConfig===null?e.info.decoderConfig=l.decoderConfig:Object.assign(e.info.decoderConfig,l.decoderConfig)),{presentationTimestamp:d,decodeTimestamp:T,duration:v,data:s,size:s.byteLength,type:r,timescaleUnitsToNextSample:B(v,e.timescale)}},D=new WeakSet,I=function(e,s){i(this,h).fastStart!=="fragmented"&&e.samples.push(s);let r=B(s.presentationTimestamp-s.decodeTimestamp,e.timescale);if(e.lastTimescaleUnits!==null){let a=B(s.decodeTimestamp,e.timescale,!1),l=Math.round(a-e.lastTimescaleUnits);if(e.lastTimescaleUnits+=l,e.lastSample.timescaleUnitsToNextSample=l,i(this,h).fastStart!=="fragmented"){let m=K(e.timeToSampleTable);m.sampleCount===1?(m.sampleDelta=l,m.sampleCount++):m.sampleDelta===l?m.sampleCount++:(m.sampleCount--,e.timeToSampleTable.push({sampleCount:2,sampleDelta:l}));let d=K(e.compositionTimeOffsetTable);d.sampleCompositionTimeOffset===r?d.sampleCount++:e.compositionTimeOffsetTable.push({sampleCount:1,sampleCompositionTimeOffset:r})}}else e.lastTimescaleUnits=0,i(this,h).fastStart!=="fragmented"&&(e.timeToSampleTable.push({sampleCount:1,sampleDelta:B(s.duration,e.timescale)}),e.compositionTimeOffsetTable.push({sampleCount:1,sampleCompositionTimeOffset:r}));e.lastSample=s;let n=!1;if(!e.currentChunk)n=!0;else{let a=s.presentationTimestamp-e.currentChunk.startTimestamp;if(i(this,h).fastStart==="fragmented"){let l=i(this,x)??i(this,w);e===l&&s.type==="key"&&a>=1&&(n=!0,p(this,Ce,Ze).call(this))}else n=a>=.5}n&&(e.currentChunk&&p(this,te,ze).call(this,e),e.currentChunk={startTimestamp:s.presentationTimestamp,samples:[]}),e.currentChunk.samples.push(s)},Ve=new WeakSet,ft=function(e,s,r){let n=i(this,h).firstTimestampBehavior==="strict",a=r.lastDecodeTimestamp===-1;if(n&&a&&s!==0)throw new Error(`The first chunk for your media track must have a timestamp of 0 (received DTS=${s}).Non-zero first timestamps are often caused by directly piping frames or audio data from a MediaStreamTrack into the encoder. Their timestamps are typically relative to the age of thedocument, which is probably what you want.
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If you want to offset all timestamps of a track such that the first one is zero, set firstTimestampBehavior: 'offset' in the options.
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`);if(i(this,h).firstTimestampBehavior==="offset"||i(this,h).firstTimestampBehavior==="cross-track-offset"){r.firstDecodeTimestamp===void 0&&(r.firstDecodeTimestamp=s);let m;i(this,h).firstTimestampBehavior==="offset"?m=r.firstDecodeTimestamp:m=Math.min(i(this,x)?.firstDecodeTimestamp??1/0,i(this,w)?.firstDecodeTimestamp??1/0),s-=m,e-=m}if(s<r.lastDecodeTimestamp)throw new Error(`Timestamps must be monotonically increasing (DTS went from ${r.lastDecodeTimestamp*1e6} to ${s*1e6}).`);return r.lastDecodeTimestamp=s,{presentationTimestamp:e,decodeTimestamp:s}},te=new WeakSet,ze=function(e){if(i(this,h).fastStart==="fragmented")throw new Error("Can't finalize individual chunks 'fastStart' is set to 'fragmented'.");if(e.currentChunk){if(e.finalizedChunks.push(e.currentChunk),i(this,X).push(e.currentChunk),(e.compactlyCodedChunkTable.length===0||K(e.compactlyCodedChunkTable).samplesPerChunk!==e.currentChunk.samples.length)&&e.compactlyCodedChunkTable.push({firstChunk:e.finalizedChunks.length,samplesPerChunk:e.currentChunk.samples.length}),i(this,h).fastStart==="in-memory"){e.currentChunk.offset=0;return}e.currentChunk.offset=i(this,u).pos;for(let s of e.currentChunk.samples)i(this,u).write(s.data),s.data=null;p(this,G,pe).call(this)}},Ce=new WeakSet,Ze=function(e=!0){if(i(this,h).fastStart!=="fragmented")throw new Error("Can't finalize a fragment unless 'fastStart' is set to 'fragmented'.");let s=[i(this,x),i(this,w)].filter(d=>d&&d.currentChunk);if(s.length===0)return;let r=Ye(this,De)._++;if(r===1){let d=ie(s,i(this,W),!0);i(this,u).writeBox(d)}let n=i(this,u).pos,a=qe(r,s);i(this,u).writeBox(a);{let d=we(!1),T=0;for(let F of s)for(let se of F.currentChunk.samples)T+=se.size;let v=i(this,u).measureBox(d)+T;v>=2**32&&(d.largeSize=!0,v=i(this,u).measureBox(d)+T),d.size=v,i(this,u).writeBox(d)}for(let d of s){d.currentChunk.offset=i(this,u).pos,d.currentChunk.moofOffset=n;for(let T of d.currentChunk.samples)i(this,u).write(T.data),T.data=null}let l=i(this,u).pos;i(this,u).seek(i(this,u).offsets.get(a));let m=qe(r,s);i(this,u).writeBox(m),i(this,u).seek(l);for(let d of s)d.finalizedChunks.push(d.currentChunk),i(this,X).push(d.currentChunk),d.currentChunk=null;e&&p(this,G,pe).call(this)},G=new WeakSet,pe=function(){i(this,u)instanceof oe&&i(this,u).flush()},be=new WeakSet,Ke=function(){if(i(this,ee))throw new Error("Cannot add new video or audio chunks after the file has been finalized.")};return bt(fs);})();
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if (typeof module === "object" && typeof module.exports === "object") Object.assign(module.exports, Mp4Muxer)
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