wouterverweirder-comfyui-penplotter/web/mp4-muxer.mjs

/**
 * Bundled by jsDelivr using Rollup v2.79.2 and Terser v5.39.0.
 * Original file: /npm/mp4-muxer@5.2.2/build/mp4-muxer.mjs
 *
 * Do NOT use SRI with dynamically generated files! More information: https://www.jsdelivr.com/using-sri-with-dynamic-files
 */
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TypeError("addAudioChunkRaw's fifth argument (meta), when provided, must be an object.");if(u(this,vt,St).call(this),!l(this,He).audio)throw new Error("No audio track declared.");if("object"==typeof l(this,He).fastStart&&l(this,Je).samples.length===l(this,He).fastStart.expectedAudioChunks)throw new Error(`Cannot add more audio chunks than specified in 'fastStart' (${l(this,He).fastStart.expectedAudioChunks}).`);let r=u(this,ft,ut).call(this,l(this,Je),e,t,i,s,a);if("fragmented"===l(this,He).fastStart&&l(this,Ge)){for(;l(this,Ye).length>0&&l(this,Ye)[0].decodeTimestamp<=r.decodeTimestamp;){let e=l(this,Ye).shift();u(this,mt,pt).call(this,l(this,Ge),e)}r.decodeTimestamp<=l(this,Ge).lastDecodeTimestamp?u(this,mt,pt).call(this,l(this,Je),r):l(this,Ze).push(r)}else u(this,mt,pt).call(this,l(this,Je),r)}finalize(){if(l(this,et))throw new Error("Cannot finalize a muxer more than once.");if("fragmented"===l(this,He).fastStart){for(let e of l(this,Ye))u(this,mt,pt).call(this,l(this,Ge),e);for(let e of l(this,Ze))u(this,mt,pt).call(this,l(this,Je),e);u(this,yt,kt).call(this,!1)}else l(this,Ge)&&u(this,gt,bt).call(this,l(this,Ge)),l(this,Je)&&u(this,gt,bt).call(this,l(this,Je));let e=[l(this,Ge),l(this,Je)].filter(Boolean);if("in-memory"===l(this,He).fastStart){let t;for(let i=0;i<2;i++){let i=R(e,l(this,Ke)),s=l(this,Pe).measureBox(i);t=l(this,Pe).measureBox(l(this,_e));let a=l(this,Pe).pos+s+t;for(let e of l(this,Qe)){e.offset=a;for(let{data:i}of e.samples)a+=i.byteLength,t+=i.byteLength}if(a<2**32)break;t>=2**32&&(l(this,_e).largeSize=!0)}let i=R(e,l(this,Ke));l(this,Pe).writeBox(i),l(this,_e).size=t,l(this,Pe).writeBox(l(this,_e));for(let e of l(this,Qe))for(let t of e.samples)l(this,Pe).write(t.data),t.data=null}else if("fragmented"===l(this,He).fastStart){let t=l(this,Pe).pos,i=(e=>B("mfra",null,[...e.map(ge),be()]))(e);l(this,Pe).writeBox(i);let s=l(this,Pe).pos-t;l(this,Pe).seek(l(this,Pe).pos-4),l(this,Pe).writeU32(s)}else{let t=l(this,Pe).offsets.get(l(this,_e)),i=l(this,Pe).pos-t;l(this,_e).size=i,l(this,_e).largeSize=i>=2**32,l(this,Pe).patchBox(l(this,_e));let s=R(e,l(this,Ke));if("object"==typeof l(this,He).fastStart){l(this,Pe).seek(l(this,qe)),l(this,Pe).writeBox(s);let e=t-l(this,Pe).pos;l(this,Pe).writeBox({type:"free",size:e})}else l(this,Pe).writeBox(s)}u(this,Ct,Tt).call(this),l(this,Pe).finalize(),f(this,et,!0)}};He=new WeakMap,Pe=new WeakMap,qe=new WeakMap,_e=new WeakMap,Ge=new WeakMap,Je=new WeakMap,Ke=new WeakMap,Qe=new WeakMap,Xe=new WeakMap,Ye=new WeakMap,Ze=new WeakMap,et=new WeakMap,tt=new WeakSet,it=function(e){if("object"!=typeof e)throw new TypeError("The muxer requires an options object to be passed to its constructor.");if(!(e.target instanceof ve))throw new TypeError("The target must be provided and an instance of Target.");if(e.video){if(!Et.includes(e.video.codec))throw new TypeError(`Unsupported video codec: ${e.video.codec}`);if(!Number.isInteger(e.video.width)||e.video.width<=0)throw new TypeError(`Invalid video width: ${e.video.width}. Must be a positive integer.`);if(!Number.isInteger(e.video.height)||e.video.height<=0)throw new TypeError(`Invalid video height: ${e.video.height}. Must be a positive integer.`);const t=e.video.rotation;if("number"==typeof t&&![0,90,180,270].includes(t))throw new TypeError(`Invalid video rotation: ${t}. Has to be 0, 90, 180 or 270.`);if(Array.isArray(t)&&(9!==t.length||t.some((e=>"number"!=typeof e))))throw new TypeError(`Invalid video transformation matrix: ${t.join()}`);if(void 0!==e.video.frameRate&&(!Number.isInteger(e.video.frameRate)||e.video.frameRate<=0))throw new TypeError(`Invalid video frame rate: ${e.video.frameRate}. Must be a positive integer.`)}if(e.audio){if(!At.includes(e.audio.codec))throw new TypeError(`Unsupported audio codec: ${e.audio.codec}`);if(!Number.isInteger(e.audio.numberOfChannels)||e.audio.numberOfChannels<=0)throw new TypeError(`Invalid number of audio channels: ${e.audio.numberOfChannels}. Must be a positive integer.`);if(!Number.isInteger(e.audio.sampleRate)||e.audio.sampleRate<=0)throw new TypeError(`Invalid audio sample rate: ${e.audio.sampleRate}. Must be a positive integer.`)}if(e.firstTimestampBehavior&&!Mt.includes(e.firstTimestampBehavior))throw new TypeError(`Invalid first timestamp behavior: ${e.firstTimestampBehavior}`);if("object"==typeof e.fastStart){if(e.video){if(void 0===e.fastStart.expectedVideoChunks)throw new TypeError("'fastStart' is an object but is missing property 'expectedVideoChunks'.");if(!Number.isInteger(e.fastStart.expectedVideoChunks)||e.fastStart.expectedVideoChunks<0)throw new TypeError("'expectedVideoChunks' must be a non-negative integer.")}if(e.audio){if(void 0===e.fastStart.expectedAudioChunks)throw new TypeError("'fastStart' is an object but is missing property 'expectedAudioChunks'.");if(!Number.isInteger(e.fastStart.expectedAudioChunks)||e.fastStart.expectedAudioChunks<0)throw new TypeError("'expectedAudioChunks' must be a non-negative integer.")}}else if(![!1,"in-memory","fragmented"].includes(e.fastStart))throw new TypeError("'fastStart' option must be false, 'in-memory', 'fragmented' or an object.");if(void 0!==e.minFragmentDuration&&(!Number.isFinite(e.minFragmentDuration)||e.minFragmentDuration<0))throw new TypeError("'minFragmentDuration' must be a non-negative number.")},st=new WeakSet,at=function(){var e;if(l(this,Pe).writeBox((e={holdsAvc:"avc"===l(this,He).video?.codec,fragmented:"fragmented"===l(this,He).fastStart}).fragmented?B("ftyp",[v("iso5"),b(512),v("iso5"),v("iso6"),v("mp41")]):B("ftyp",[v("isom"),b(512),v("isom"),e.holdsAvc?v("avc1"):[],v("mp41")])),f(this,qe,l(this,Pe).pos),"in-memory"===l(this,He).fastStart)f(this,_e,O(!1));else if("fragmented"===l(this,He).fastStart);else{if("object"==typeof l(this,He).fastStart){let e=u(this,rt,nt).call(this);l(this,Pe).seek(l(this,Pe).pos+e)}f(this,_e,O(!0)),l(this,Pe).writeBox(l(this,_e))}u(this,Ct,Tt).call(this)},rt=new WeakSet,nt=function(){if("object"!=typeof l(this,He).fastStart)return;let e=0,t=[l(this,He).fastStart.expectedVideoChunks,l(this,He).fastStart.expectedAudioChunks];for(let i of t)i&&(e+=8*Math.ceil(2/3*i),e+=4*i,e+=12*Math.ceil(2/3*i),e+=4*i,e+=8*i);return e+=4096,e},ot=new WeakSet,ht=function(){if(l(this,He).video&&f(this,Ge,{id:1,info:{type:"video",codec:l(this,He).video.codec,width:l(this,He).video.width,height:l(this,He).video.height,rotation:l(this,He).video.rotation??0,decoderConfig:null},timescale:l(this,He).video.frameRate??57600,samples:[],finalizedChunks:[],currentChunk:null,firstDecodeTimestamp:void 0,lastDecodeTimestamp:-1,timeToSampleTable:[],compositionTimeOffsetTable:[],lastTimescaleUnits:null,lastSample:null,compactlyCodedChunkTable:[]}),l(this,He).audio&&(f(this,Je,{id:l(this,He).video?2:1,info:{type:"audio",codec:l(this,He).audio.codec,numberOfChannels:l(this,He).audio.numberOfChannels,sampleRate:l(this,He).audio.sampleRate,decoderConfig:null},timescale:l(this,He).audio.sampleRate,samples:[],finalizedChunks:[],currentChunk:null,firstDecodeTimestamp:void 0,lastDecodeTimestamp:-1,timeToSampleTable:[],compositionTimeOffsetTable:[],lastTimescaleUnits:null,lastSample:null,compactlyCodedChunkTable:[]}),"aac"===l(this,He).audio.codec)){let e=u(this,lt,dt).call(this,2,l(this,He).audio.sampleRate,l(this,He).audio.numberOfChannels);l(this,Je).info.decoderConfig={codec:l(this,He).audio.codec,description:e,numberOfChannels:l(this,He).audio.numberOfChannels,sampleRate:l(this,He).audio.sampleRate}}},lt=new WeakSet,dt=function(e,t,i){let s=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350].indexOf(t),a=i,r="";r+=e.toString(2).padStart(5,"0"),r+=s.toString(2).padStart(4,"0"),15===s&&(r+=t.toString(2).padStart(24,"0")),r+=a.toString(2).padStart(4,"0");let n=8*Math.ceil(r.length/8);r=r.padEnd(n,"0");let o=new Uint8Array(r.length/8);for(let e=0;e<r.length;e+=8)o[e/8]=parseInt(r.slice(e,e+8),2);return o},ft=new WeakSet,ut=function(e,t,i,s,a,r,n){let o=s/1e6,h=(s-(n??0))/1e6,l=a/1e6,d=u(this,ct,wt).call(this,o,h,e);return o=d.presentationTimestamp,h=d.decodeTimestamp,r?.decoderConfig&&(null===e.info.decoderConfig?e.info.decoderConfig=r.decoderConfig:Object.assign(e.info.decoderConfig,r.decoderConfig)),{presentationTimestamp:o,decodeTimestamp:h,duration:l,data:t,size:t.byteLength,type:i,timescaleUnitsToNextSample:z(l,e.timescale)}},mt=new WeakSet,pt=function(e,t){"fragmented"!==l(this,He).fastStart&&e.samples.push(t);const i=z(t.presentationTimestamp-t.decodeTimestamp,e.timescale);if(null!==e.lastTimescaleUnits){let s=z(t.decodeTimestamp,e.timescale,!1),a=Math.round(s-e.lastTimescaleUnits);if(e.lastTimescaleUnits+=a,e.lastSample.timescaleUnitsToNextSample=a,"fragmented"!==l(this,He).fastStart){let t=S(e.timeToSampleTable);1===t.sampleCount?(t.sampleDelta=a,t.sampleCount++):t.sampleDelta===a?t.sampleCount++:(t.sampleCount--,e.timeToSampleTable.push({sampleCount:2,sampleDelta:a}));const s=S(e.compositionTimeOffsetTable);s.sampleCompositionTimeOffset===i?s.sampleCount++:e.compositionTimeOffsetTable.push({sampleCount:1,sampleCompositionTimeOffset:i})}}else e.lastTimescaleUnits=0,"fragmented"!==l(this,He).fastStart&&(e.timeToSampleTable.push({sampleCount:1,sampleDelta:z(t.duration,e.timescale)}),e.compositionTimeOffsetTable.push({sampleCount:1,sampleCompositionTimeOffset:i}));e.lastSample=t;let s=!1;if(e.currentChunk){let i=t.presentationTimestamp-e.currentChunk.startTimestamp;if("fragmented"===l(this,He).fastStart){let a=l(this,Ge)??l(this,Je);const r=l(this,He).minFragmentDuration??1;e===a&&"key"===t.type&&i>=r&&(s=!0,u(this,yt,kt).call(this))}else s=i>=.5}else s=!0;s&&(e.currentChunk&&u(this,gt,bt).call(this,e),e.currentChunk={startTimestamp:t.presentationTimestamp,samples:[]}),e.currentChunk.samples.push(t)},ct=new WeakSet,wt=function(e,t,i){const s="strict"===l(this,He).firstTimestampBehavior,a=-1===i.lastDecodeTimestamp;if(s&&a&&0!==t)throw new Error(`The first chunk for your media track must have a timestamp of 0 (received DTS=${t}).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.\n\nIf you want to offset all timestamps of a track such that the first one is zero, set firstTimestampBehavior: 'offset' in the options.\n`);if("offset"===l(this,He).firstTimestampBehavior||"cross-track-offset"===l(this,He).firstTimestampBehavior){let s;void 0===i.firstDecodeTimestamp&&(i.firstDecodeTimestamp=t),s="offset"===l(this,He).firstTimestampBehavior?i.firstDecodeTimestamp:Math.min(l(this,Ge)?.firstDecodeTimestamp??1/0,l(this,Je)?.firstDecodeTimestamp??1/0),t-=s,e-=s}if(t<i.lastDecodeTimestamp)throw new Error(`Timestamps must be monotonically increasing (DTS went from ${1e6*i.lastDecodeTimestamp} to ${1e6*t}).`);return i.lastDecodeTimestamp=t,{presentationTimestamp:e,decodeTimestamp:t}},gt=new WeakSet,bt=function(e){if("fragmented"===l(this,He).fastStart)throw new Error("Can't finalize individual chunks if 'fastStart' is set to 'fragmented'.");if(e.currentChunk)if(e.finalizedChunks.push(e.currentChunk),l(this,Qe).push(e.currentChunk),0!==e.compactlyCodedChunkTable.length&&S(e.compactlyCodedChunkTable).samplesPerChunk===e.currentChunk.samples.length||e.compactlyCodedChunkTable.push({firstChunk:e.finalizedChunks.length,samplesPerChunk:e.currentChunk.samples.length}),"in-memory"!==l(this,He).fastStart){e.currentChunk.offset=l(this,Pe).pos;for(let t of e.currentChunk.samples)l(this,Pe).write(t.data),t.data=null;u(this,Ct,Tt).call(this)}else e.currentChunk.offset=0},yt=new WeakSet,kt=function(e=!0){if("fragmented"!==l(this,He).fastStart)throw new Error("Can't finalize a fragment unless 'fastStart' is set to 'fragmented'.");let t=[l(this,Ge),l(this,Je)].filter((e=>e&&e.currentChunk));if(0===t.length)return;let i=(s=this,a=Xe,{set _(e){f(s,a,e,r)},get _(){return l(s,a,n)}})._++;var s,a,r,n;if(1===i){let e=R(t,l(this,Ke),!0);l(this,Pe).writeBox(e)}let o=l(this,Pe).pos,h=de(i,t);l(this,Pe).writeBox(h);{let e=O(!1),i=0;for(let e of t)for(let t of e.currentChunk.samples)i+=t.size;let s=l(this,Pe).measureBox(e)+i;s>=2**32&&(e.largeSize=!0,s=l(this,Pe).measureBox(e)+i),e.size=s,l(this,Pe).writeBox(e)}for(let e of t){e.currentChunk.offset=l(this,Pe).pos,e.currentChunk.moofOffset=o;for(let t of e.currentChunk.samples)l(this,Pe).write(t.data),t.data=null}let d=l(this,Pe).pos;l(this,Pe).seek(l(this,Pe).offsets.get(h));let m=de(i,t);l(this,Pe).writeBox(m),l(this,Pe).seek(d);for(let e of t)e.finalizedChunks.push(e.currentChunk),l(this,Qe).push(e.currentChunk),e.currentChunk=null;e&&u(this,Ct,Tt).call(this)},Ct=new WeakSet,Tt=function(){l(this,Pe)instanceof $e&&l(this,Pe).flush()},vt=new WeakSet,St=function(){if(l(this,et))throw new Error("Cannot add new video or audio chunks after the file has been finalized.")};export{Se as ArrayBufferTarget,ze as FileSystemWritableFileStreamTarget,Wt as Muxer,xe as StreamTarget};export default null;
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