@diffusionstudio/core/dist/core.umd.js

2D motion graphics and video rendering engine

/*!
 * @diffusionstudio/core v3.5.1
 * (c) 2025 Diffusion Studio Inc.
 * 
 * Licensed under the Diffusion Studio Non-Commercial License.
 * You may NOT use this software for any commercial purposes.
 * 
 * For commercial licensing, visit:
 * https://diffusion.studio
 */

(function(S,je){typeof exports=="object"&&typeof module<"u"?je(exports):typeof define=="function"&&define.amd?define(["exports"],je):(S=typeof globalThis<"u"?globalThis:S||self,je(S.core={}))})(this,function(S){"use strict";let je=class Vr{data;format;numberOfChannels;numberOfFrames;sampleRate;timestamp;duration;constructor(e){this.data=e.data,this.format=e.format,this.numberOfChannels=e.numberOfChannels,this.numberOfFrames=e.numberOfFrames,this.sampleRate=e.sampleRate,this.timestamp=e.timestamp||0,this.duration=this.numberOfFrames/this.sampleRate*1e6}copyTo(e,s){if(!s?.format||s.format!=="s16")throw new Error("Only s16 format is supported for copyTo");for(let i=0;i<this.numberOfFrames;i++)for(let r=0;r<this.numberOfChannels;r++){const a=r*this.numberOfFrames+i,n=i*this.numberOfChannels+r,o=Math.max(-1,Math.min(1,this.data[a]));e[n]=Math.round(o*32767)}}clone(){return new Vr({data:new Float32Array(this.data),format:this.format,numberOfChannels:this.numberOfChannels,numberOfFrames:this.numberOfFrames,sampleRate:this.sampleRate,timestamp:this.timestamp})}close(){this.data=new Float32Array(0)}};"AudioData"in window||Object.assign(window,{AudioData:je});const $r=.2,qe=30,Us=1;class _e extends Error{message;code;constructor({message:e="",code:s=""},...i){super(e,...i),console.error(e),this.code=s,this.message=e}}class me extends _e{}class Q extends _e{}class Re extends _e{}class jr extends _e{}class Qe extends _e{}function Ds(t,e=qe){if(e<1)throw new Q({code:"invalidArgument",message:"FPS must be greater or equal to 1"});return Math.round(t*e)}function qr(t,e=qe){if(e<1)throw new Q({code:"invalidArgument",message:"FPS must be greater or equal to 1"});return Math.round(t/e*1e3)/1e3}function mt(t,e=qe){if(e<1)throw new Q({code:"invalidArgument",message:"FPS must be greater or equal to 1"});return Math.round(t/e*1e3)}class P{time;constructor(e=0,s=0,i=0,r=0){this.time=Math.round(e+s*1e3+i*6e4+r*36e5)}get millis(){return this.time}set millis(e){this.time=Math.round(e)}get frames(){return Ds(this.millis/1e3)}set frames(e){this.millis=mt(e)}get seconds(){return this.millis/1e3}set seconds(e){this.millis=e*1e3}addMillis(e){return this.millis=this.millis+e,this}addFrames(e){const s=mt(e);return this.millis=this.millis+s,this}add(e){return new P(e.millis+this.millis)}subtract(e){return new P(this.millis-e.millis)}static fromFrames(e,s){const i=new P;return i.millis=mt(e,s),i}copy(){return new P(this.millis)}toJSON(){return this.millis}static fromJSON(e){return new P(e)}}function Qr(t){return Math.floor(t*255).toString(16).padStart(2,"0").toUpperCase()}function Xr(t,e){return t.reduce((s,i)=>{const r=i[e];return s[r]||(s[r]=[]),s[r].push(i),s},{})}function Xe(t,e){return[t.slice(0,e),t.slice(e)].filter(s=>s.length>0)}function Ke(t,e){return e?Math.floor(Math.random()*(e-t+1)+t):t}async function Kr(t){t<=0||await new Promise(e=>setTimeout(e,t))}function Gr(t){if(!t)throw"Assertion failed!"}function Yr(t,e=300){let s;return(...i)=>{clearTimeout(s),s=setTimeout(()=>{t.apply(t,i)},e)}}function Vs(t,e,s){s<0&&(s=0);const i=t[e];t.splice(e,1),t.splice(s,0,i)}function Jr(){return typeof crypto<"u"?crypto.randomUUID().split("-").at(0):Math.random().toString(36).substring(2,15)+Math.random().toString(36).substring(2,15)}function Zr(t){return t.charAt(0).toUpperCase()+t.slice(1)}function Ns(t){if(t.numberOfChannels===1)return t.getChannelData(0);const e=[];for(let n=0;n<t.numberOfChannels;n++)e.push(t.getChannelData(n));const s=Math.max(...e.map(n=>n.length)),i=new Float32Array(s*t.numberOfChannels);let r=0,a=0;for(;a<s;)e.forEach(n=>{i[r++]=n[a]!==void 0?n[a]:0}),a++;return i}function ft(t,e,s){for(let i=0;i<s.length;i++)t.setUint8(e+i,s.charCodeAt(i))}function Ls(t,e,s){for(let i=0;i<e.length;i++,s+=2){const r=Math.max(-1,Math.min(1,e[i]));t.setInt16(s,r<0?r*32768:r*32767,!0)}return t}function ea(t,e,s){const a=e*2,n=8,o=36,c=t.length*2,l=o+c,h=new ArrayBuffer(n+l),d=new DataView(h);return ft(d,0,"RIFF"),d.setUint32(4,l,!0),ft(d,8,"WAVE"),ft(d,12,"fmt "),d.setUint32(16,16,!0),d.setUint16(20,1,!0),d.setUint16(22,e,!0),d.setUint32(24,s,!0),d.setUint32(28,s*a,!0),d.setUint16(32,a,!0),d.setUint16(34,16,!0),ft(d,36,"data"),d.setUint32(40,c,!0),Ls(d,t,n+o)}function ta(t,e="audio/wav"){const s=Ns(t),i=ea(s,t.numberOfChannels,t.sampleRate);return new Blob([i],{type:e})}function sa(t){const e=new Float32Array(t.length*t.numberOfChannels);let s=0;for(let i=0;i<t.numberOfChannels;i++){const r=t.getChannelData(i);e.set(r,s),s+=r.length}return e}function ia(t){const e=t.numberOfChannels,s=t.length,i=new Int16Array(s*e);for(let r=0;r<s;r++)for(let a=0;a<e;a++){let n=t.getChannelData(a)[r]*32767;n>32767&&(n=32767),n<-32767&&(n=-32767),i[r*e+a]=n}return i}async function ra(t,e=22050,s=Math.sqrt(2)){const i=await t.arrayBuffer(),r=new OfflineAudioContext({sampleRate:e,length:1}),a=await r.decodeAudioData(i),n=r.createBuffer(1,a.length,e);if(a.numberOfChannels>=2){const o=a.getChannelData(0),c=a.getChannelData(1),l=n.getChannelData(0);for(let h=0;h<a.length;++h)l[h]=s*(o[h]+c[h])/2;return n}return a}function aa(t,e=44100,s=2){if(t.sampleRate==e&&t.numberOfChannels==s)return t;const i=Math.floor(t.duration*e),a=new OfflineAudioContext(s,1,e).createBuffer(s,i,e);for(let n=0;n<t.numberOfChannels;n++){const o=t.getChannelData(n),c=a.getChannelData(n),l=t.sampleRate/e;for(let h=0;h<c.length;h++){const d=h*l,u=Math.floor(d),f=Math.ceil(d);if(f>=o.length)c[h]=o[u];else{const p=d-u;c[h]=o[u]*(1-p)+o[f]*p}}}return a}async function Vt(t,e){const s=document.createElement("a");if(document.head.appendChild(s),s.target="_blank",e?s.download=e:t instanceof File?s.download=t.name:t instanceof Blob?s.download="untitled":typeof t=="string"&&(s.download=t.split("/").pop()??"untitled"),typeof t=="string"&&t.startsWith("data:image/svg+xml;base64,")){const i=t.split(",")[1],r=atob(i),a=new Array(r.length);for(let c=0;c<r.length;c++)a[c]=r.charCodeAt(c);const n=new Uint8Array(a),o=new Blob([n],{type:"image/svg+xml"});s.href=URL.createObjectURL(o),s.download=e?.split(".")[0]+".svg"}else typeof t=="string"?s.href=t:s.href=URL.createObjectURL(t);s.click(),s.remove()}async function na(t,e=!0){return new Promise(s=>{const i=document.createElement("input");i.type="file",i.accept=t,i.multiple=e,i.onchange=r=>{const a=Array.from(r.target?.files??[]);s(a)},i.click()})}function F(t){if(!t)return new P(0);if(typeof t=="number")return P.fromFrames(t);if(t instanceof P)return t;const e=t.split(":");if(e.length===3){const[s,i,r]=e.map(Number);if(isNaN(s)||isNaN(i)||isNaN(r))throw new Error(`Invalid time format: ${t}`);return new P(0,r,i,s)}if(e.length===2){const[s,i]=e.map(Number);if(isNaN(s)||isNaN(i))throw new Error(`Invalid time format: ${t}`);return new P(0,i,s)}if(typeof t=="string"){const s=parseFloat(t);if(isNaN(s))throw new Error(`Invalid time format: ${t}`);if(t.endsWith("ms"))return new P(s);if(t.endsWith("s"))return new P(0,s);if(t.endsWith("f"))return P.fromFrames(s);if(t.endsWith("min"))return new P(0,0,s);throw new Error(`Invalid time format: ${t}`)}throw new Error(`Invalid time format: ${t}`)}async function oa(t){const{fps:e,height:s,width:i,bitrate:r}=t,a=["avc1.640033","avc1.4d4033","avc1.424033","avc1.640029","avc1.4d4029","avc1.424029"],n=["prefer-hardware","prefer-software"],o=[];for(const l of a)for(const h of n)o.push({codec:l,hardwareAcceleration:h,width:i,height:s,bitrate:r,framerate:e});const c=[];if("VideoEncoder"in window){for(const l of o){const h=await VideoEncoder.isConfigSupported(l);h.supported&&c.push(h.config??l)}return c.sort(ca)[0].codec}}function ca(t,e){const s=t.hardwareAcceleration??"",i=e.hardwareAcceleration??"";return s<i?-1:s>i?1:0}function Ws(t){return`${t.hours.toString().padStart(2,"0")}:${t.minutes.toString().padStart(2,"0")}:${t.seconds.toString().padStart(2,"0")},`+t.milliseconds.toString().padStart(3,"0")}function Hs(t){const e=new Date(1970,0,1);return e.setSeconds(t),e.setMilliseconds(Math.round(t%1*1e3)),{hours:e.getHours(),minutes:e.getMinutes(),seconds:e.getSeconds(),milliseconds:e.getMilliseconds()}}class Fe{words=[];constructor(e){e&&(this.words=e)}get duration(){return this.stop.subtract(this.start)}get text(){return this.words.map(({text:e})=>e).join(" ")}get start(){return this.words.at(0)?.start??new P}get stop(){return this.words.at(-1)?.stop??new P}}var pt=(t=>(t.en="en",t.de="de",t))(pt||{});class gt{id=crypto.randomUUID();text;start;stop;confidence;constructor(e,s,i,r){this.text=e,this.start=new P(s),this.stop=new P(i),this.confidence=r}get duration(){return this.stop.subtract(this.start)}}class ie{id=crypto.randomUUID();language=pt.en;groups=[];get text(){return this.groups.map(({text:e})=>e).join(" ")}get words(){return this.groups.flatMap(({words:e})=>e)}constructor(e=[],s=pt.en){this.groups=e,this.language=s}*iter({count:e,duration:s,length:i}){for(const r of this.groups){let a;for(const[n,o]of r.words.entries())a&&(e&&a.words.length>=Ke(...e)?(yield a,a=void 0):s&&a?.duration.seconds>=Ke(...s)?(yield a,a=void 0):i&&a.text.length>=Ke(...i)&&(yield a,a=void 0)),a?a.words.push(o):a=new Fe([o]),n==r.words.length-1&&(yield a)}}optimize(){const e=this.groups.flatMap(s=>s.words);for(let s=0;s<e.length-1;s++){const i=e[s],r=e[s+1];r.start.millis-i.stop.millis<0?r.start.millis=i.stop.millis+1:i.stop.millis=r.start.millis-1}return this}toSRT(e={}){let s=1,i="";for(const r of this.iter(e)){const a=Hs(r.start.seconds),n=Hs(r.stop.seconds);i+=`${s}
`+Ws(a)+" --> "+Ws(n)+`
${r.text}

`,s+=1}return{text:i,blob:new Blob([i],{type:"text/plain;charset=utf8"})}}toJSON(){return this.groups.map(e=>e.words.map(s=>({token:s.text,start:s.start.millis,stop:s.stop.millis})))}slice(e,s=!0){let i=0;const r=[];for(const a of this.groups)for(const n of a.words)if(r.length==0&&s&&(i=n.start.millis),r.push(new gt(n.text,n.start.millis-i,n.stop.millis-i)),r.length==e)return new ie([new Fe(r)]);return new ie([new Fe(r)])}copy(){return ie.fromJSON(this.toJSON())}static fromJSON(e){const s=new ie;for(const i of e){const r=new Fe;for(const a of i)r.words.push(new gt(a.token,a.start,a.stop));s.groups.push(r)}return s}static async from(e){if(Array.isArray(e))return ie.fromJSON(e);if(e instanceof Blob)return ie.fromJSON(JSON.parse(await e.text()));const s=await fetch(e);if(!s.ok)throw new me({code:"unexpectedIOError",message:"An unexpected error occurred while fetching the file"});return ie.fromJSON(await s.json())}}class Te{id=crypto.randomUUID();toJSON(){const e={};return(this.constructor.__serializableProperties||[]).forEach(({propertyKey:i,serializer:r})=>{const a=this[i];r&&a instanceof r?e[i]=a.toJSON():e[i]=a}),e}static fromJSON(e){const s=new this;return(this.__serializableProperties||[]).forEach(({propertyKey:r,serializer:a})=>{if(e.hasOwnProperty(r))if(a){const n=a.fromJSON(e[r]);s[r]=n}else s[r]=e[r]}),s}}function E(t){return function(e,s){e.constructor.__serializableProperties||(e.constructor.__serializableProperties=[]),e.constructor.__serializableProperties.push({propertyKey:s,serializer:t})}}function Oe(t){return class extends t{_handlers={};on(s,i){if(typeof i!="function")throw new Error("The callback of an event listener needs to be a function.");const r=crypto.randomUUID();return this._handlers[s]?this._handlers[s][r]=i:this._handlers[s]={[r]:i},r}off(s,...i){if(s){if(s==="*"){this._handlers={};return}for(const r of Object.values(this._handlers))s in r&&delete r[s];for(const r of i)this.off(r)}}emit(s,i){const r=new CustomEvent(s,{detail:i});Object.defineProperty(r,"currentTarget",{writable:!1,value:this});for(const a in this._handlers[s]??{})this._handlers[s]?.[a](r);for(const a in this._handlers["*"]??{})this._handlers["*"]?.[a](r)}bubble(s){return this.on("*",i=>{s.emit(i.type,i.detail)})}resolve(s){return(i,r)=>{this.on("error",r),this.on(s,i)}}}}class wt extends Oe(Te){_key;_value;_store;loaded=!1;constructor(e,s,i){super(),this._store=e,this._key=s,this.initValue(i)}get key(){return this._key}get value(){return this._value}set value(e){this._value=e,this._store.set(this._key,e),this.emit("update",void 0)}async initValue(e){e instanceof Promise?this._value=await e:this._value=e,this.loaded=!0,this.emit("update",void 0)}}class la{storageEngine;namespace;constructor(e,s=localStorage){this.storageEngine=s,this.namespace=e}define(e,s,i){const r=this.get(e);return r===null?(this.set(e,s),new wt(this,e,s)):i&&r!=null?new wt(this,e,i(r)):new wt(this,e,r)}set(e,s){this.storageEngine.setItem(this.getStorageId(e),JSON.stringify({value:s}))}get(e){const s=this.storageEngine.getItem(this.getStorageId(e));return s?JSON.parse(s).value:null}remove(e){this.storageEngine.removeItem(this.getStorageId(e))}getStorageId(e){return this.namespace?`${this.namespace}.${e}`:e}}function Nt(){return class extends Oe(class{}){}}function da(t,e){return e=="lower"?t.toLocaleLowerCase():e=="upper"?t.toUpperCase():t}function ve(t="#000000",e=100){return`${t}${Math.round(e/100*255).toString(16)}`}function C(t,e){return typeof t=="number"?t:Number.parseFloat(t.replace("%",""))*e/100}function ha(t){const e=t.startsWith("#")?t.slice(1):t,s=parseInt(e,16),i=s>>16&255,r=s>>8&255,a=s&255;return{r:i,g:r,b:a}}function ua(t,e,s){return`#${((1<<24)+(Math.round(t)<<16)+(Math.round(e)<<8)+Math.round(s)).toString(16).slice(1)}`}function Lt(t,e){switch(e){case"ease-in":return t*t;case"ease-out":return t*(2-t);case"ease-in-out":return t<.5?2*t*t:-1+(4-2*t)*t;case"ease-out-in":if(t<.5){const s=t*2;return s*(2-s)/2}else{const s=(t-.5)*2;return s*s/2+.5}default:return t}}function Ge(t,e,s){return t+(e-t)*s}function $s(t){const e=ha(t);return ma(e.r,e.g,e.b)}function ma(t,e,s){t/=255,e/=255,s/=255;const i=Math.max(t,e,s),r=Math.min(t,e,s);let a=0,n=0;const o=(i+r)/2;if(i!==r){const c=i-r;switch(n=o>.5?c/(2-i-r):c/(i+r),i){case t:a=(e-s)/c+(e<s?6:0);break;case e:a=(s-t)/c+2;break;case s:a=(t-e)/c+4;break}a/=6}return{h:Math.round(a*360),s:Math.round(n*100),l:Math.round(o*100)}}function fa(t,e,s){e/=100,s/=100,t=(t+360)%360;function i(l,h,d){return d<0&&(d+=1),d>1&&(d-=1),d<1/6?l+(h-l)*6*d:d<1/2?h:d<2/3?l+(h-l)*(2/3-d)*6:l}const r=s<.5?s*(1+e):s+e-s*e,a=2*s-r,n=i(a,r,t/360+1/3),o=i(a,r,t/360),c=i(a,r,t/360-1/3);return ua(Math.round(n*255),Math.round(o*255),Math.round(c*255))}function pa(t,e){const{frames:s,extrapolate:i="clamp",easing:r}=t;if(e.millis<=F(s[0].time).millis)return s[0].value;if(e.millis>=F(s[s.length-1].time).millis)return s[s.length-1].value;let a,n;for(let f=0;f<s.length-1;f++)if(e.millis>=F(s[f].time).millis&&e.millis<=F(s[f+1].time).millis){a=s[f],n=s[f+1];break}if(!a||!n)throw new Error("Unexpected error in keyframe interpolation");const o=(e.millis-F(a.time).millis)/(F(n.time).millis-F(a.time).millis),c=Lt(o,a.easing??r),l=$s(a.value),h=$s(n.value);let d=l.h,u=h.h;return Math.abs(u-d)>180&&(d<u?d+=360:u+=360),fa(Ge(d,u,c),Ge(l.s,h.s,c),Ge(l.l,h.l,c))}function js(t,e){const{frames:s,extrapolate:i="clamp",easing:r}=t;if(e.millis<=F(s[0].time).millis)return s[0].value;if(e.millis>=F(s[s.length-1].time).millis)return s[s.length-1].value;let a,n;for(let l=0;l<s.length-1;l++)if(e.millis>=F(s[l].time).millis&&e.millis<=F(s[l+1].time).millis){a=s[l],n=s[l+1];break}if(!a||!n)throw new Error("Unexpected error in keyframe interpolation");const o=(e.millis-F(a.time).millis)/(F(n.time).millis-F(a.time).millis),c=Lt(o,a.easing??r);return typeof a.value=="number"&&typeof n.value=="number"?Ge(a.value,n.value,c):`${Ge(qs(a.value),qs(n.value),c)}%`}function qs(t){return typeof t=="number"?t:Number(t.replace("%",""))}function ga(t,e){const{frames:s,extrapolate:i="clamp"}=t;if(e.millis<=F(s[0].time).millis)return s[0].value;if(e.millis>=F(s[s.length-1].time).millis)return s[s.length-1].value;let r,a;for(let d=0;d<s.length-1;d++)if(e.millis>=F(s[d].time).millis&&e.millis<=F(s[d+1].time).millis){r=s[d],a=s[d+1];break}if(!r||!a)throw new Error("Unexpected error in keyframe interpolation");const n=(e.millis-F(r.time).millis)/(F(a.time).millis-F(r.time).millis),o=Lt(n,r.easing),c=a.value,l=c.length,h=Math.floor(o*l);return c.slice(0,h)}class yt extends Te{width;height;fillRule;animations=[];clip;renderer;constructor({width:e=100,height:s=100}={}){super(),this.width=e,this.height=s}connect(e){return this.clip=e,this}draw(e){return this.renderer=e,new Path2D}animate(e){for(const s of this.animations){const i=s?.frames[0].value;(typeof i=="number"||typeof i=="string"&&i.match(/^[0-9]+(\.[0-9]+)?%$/))&&(this[s.key]=js(s,e.subtract(this.start)))}return this}get start(){return this.clip?.start??new P}get stop(){return this.clip?.stop??new P}get size(){return{width:C(this.width,this.renderer?.width??0),height:C(this.height,this.renderer?.height??0)}}get bounds(){const{width:e,height:s}=this.size;return[{x:0,y:0},{x:e,y:0},{x:e,y:s},{x:0,y:s}]}detach(){return this.clip&&(this.clip.mask=void 0,this.clip=void 0),this}}class wa extends yt{cx;cy;constructor({cx:e=0,cy:s=0,radius:i,animations:r,...a}={}){super(a),this.cx=e,this.cy=s,i&&(this.radius=i),this.animations=r??[]}set x(e){this.cx=e}set y(e){this.cy=e}get x(){return this.cx}get y(){return this.cy}get radius(){const e=this.size;return Math.min(e.width,e.height)*.5}set radius(e){typeof e=="number"?(this.height=e*2,this.width=e*2):(this.height=`${Number(e.replace("%",""))*2}%`,this.width=`${Number(e.replace("%",""))*2}%`)}draw(e){const s=super.draw(e);return s.ellipse(C(this.cx,e.width)*e.resolution,C(this.cy,e.height)*e.resolution,C(this.width,e.width)*e.resolution*.5,C(this.height,e.height)*e.resolution*.5,0,0,2*Math.PI),s}get bounds(){const{width:e,height:s}=this.size,{cx:i,cy:r}=this,a=C(i,this.renderer?.width??0)-e*.5,n=C(r,this.renderer?.height??0)-s*.5;return[{x:a,y:n},{x:a+e,y:n},{x:a+e,y:n+s},{x:a,y:n+s}]}}class ya extends yt{x;y;radius;constructor({x:e=0,y:s=0,radius:i=0,animations:r,...a}={}){super(a),this.x=e,this.y=s,this.radius=i,this.animations=r??[]}draw(e){const s=super.draw(e);if(this.radius){const i=C(this.width,e.width),r=C(this.height,e.height),a=C(this.radius,Math.min(i,r));s.roundRect(C(this.x,e.width)*e.resolution,C(this.y,e.height)*e.resolution,i*e.resolution,r*e.resolution,a*e.resolution)}else s.rect(C(this.x,e.width)*e.resolution,C(this.y,e.height)*e.resolution,C(this.width,e.width)*e.resolution,C(this.height,e.height)*e.resolution);return s}get bounds(){return super.bounds.map(e=>({x:e.x+C(this.x,this.renderer?.width??0),y:e.y+C(this.y,this.renderer?.height??0)}))}}class Wt{canvas=document.createElement("canvas");context=this.canvas.getContext("2d");resolution=1;width=1920;height=1080;background="#000000";constructor({width:e=1920,height:s=1080,background:i="#000000",resolution:r=1}={}){this.canvas.style.background=i,this.resolution=r,this.background=i,this.resize(e,s)}resize(e,s){return this.width=Math.round(e),this.height=Math.round(s),this.canvas.width=Math.round(this.width*this.resolution),this.canvas.height=Math.round(this.height*this.resolution),this.context.imageSmoothingEnabled=!1,this}clear(e){let s=0,i=0,r=this.width*this.resolution,a=this.height*this.resolution;return this.context.fillStyle=this.background,e&&(s=C(e.x??0,this.width)*this.resolution,i=C(e.y??0,this.height)*this.resolution,r=C(e.width,this.width)*this.resolution,a=C(e.height,this.height)*this.resolution),this.context.clearRect(s,i,r,a),this.context.fillRect(s,i,r,a),this}rect(e){if(this.context.beginPath(),e.radius){const s=C(e.width,this.width),i=C(e.height,this.height),r=Math.max(C(e.radius,Math.min(s,i)),0);this.context.roundRect(C(e.x??0,this.width)*this.resolution|0,C(e.y??0,this.height)*this.resolution|0,s*this.resolution|0,i*this.resolution|0,r*this.resolution|0)}else this.context.rect(C(e.x??0,this.width)*this.resolution|0,C(e.y??0,this.height)*this.resolution|0,C(e.width,this.width)*this.resolution|0,C(e.height,this.height)*this.resolution|0);return this.context.closePath(),this}circle(e){return this.context.beginPath(),"height"in e?this.context.ellipse(C(e.cx,this.width)*this.resolution|0,C(e.cy,this.height)*this.resolution|0,C(e.width,this.width)*this.resolution|0,C(e.height,this.height)*this.resolution|0,0,0,Math.PI*2):this.context.arc(C(e.cx,this.width)*this.resolution|0,C(e.cy,this.height)*this.resolution|0,C(e.radius,Math.min(this.width,this.height)*.5)*this.resolution|0,0,Math.PI*2),this.context.closePath(),this}image(e,s){const{x:i=0,y:r=0,width:a,height:n,rotation:o}=s,c=C(i,this.width)*this.resolution|0,l=C(r,this.height)*this.resolution|0,h=C(a,this.width)*this.resolution|0,d=C(n,this.height)*this.resolution|0;if(o!==void 0&&o!==0){this.context.save(),this.context.translate(c+h/2,l+d/2);const u=o*Math.PI/180;this.context.rotate(u);const f=Math.abs(o%180)===90;this.context.drawImage(e,(f?-d/2:-h/2)|0,(f?-h/2:-d/2)|0,(f?d:h)|0,(f?h:d)|0),this.context.restore()}else this.context.drawImage(e,c,l,h,d);return this}clip(e,s){return e instanceof yt?this.context.clip(e.draw(this),e.fillRule):e&&this.context.clip(e,s),this}opacity(e){return this.context.globalAlpha=e/100,this}transform(e){return e?(e.translate&&this.context.translate(C(e.translate.x,this.width)*this.resolution|0,C(e.translate.y,this.height)*this.resolution|0),e.rotate&&this.context.rotate(e.rotate*Math.PI/180),e.scale&&this.context.scale(C(e.scale.x,this.width),C(e.scale.y,this.height)),this):(this.context.setTransform(1,0,0,1,0,0),this)}blendMode(e){return e&&(this.context.globalCompositeOperation=e),this}save(){return this.context.save(),this}restore(){return this.context.restore(),this}filter(e){return e?(this.context.filter=e,this):this}fill(e,s=!1){if(!e)return this.context.fillStyle="transparent",this;if(typeof e.color=="string")this.context.fillStyle=ve(e.color,e.opacity);else if("type"in e.color){const i=this.createGradient(e.color);this.context.fillStyle=i}else if("image"in e.color){const 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this.context.font=this.createFontString(s.style,s.weight,s.size,s.family),this.context.measureText(e)}createFontString(e,s,i,r){return`${e??"normal"} ${s??"400"} ${(i??16)*this.textScale}px ${r??"Arial"}`.trim()}}class Ht{context;hardwareOffset=0;playbackOffset=0;playbackFps=qe;inactiveFps=Us;playing=!1;stopped=!0;duration;lastFrameTime=0;constructor(e={}){this.callback=e.callback,this.context=e.context??new AudioContext,this.playbackFps=e.fps??30}get hardwareTime(){return this.context.currentTime}get playbackTime(){return this.playing?this.hardwareTime-this.hardwareOffset+this.playbackOffset:this.playbackOffset}get playbackTimestamp(){return new P(0,this.playbackTime)}get playbackFrame(){return Math.floor(this.playbackTime*this.playbackFps)}start(){this.stopped&&(this.stopped=!1,this.timer())}stop(){this.stopped=!0}async play(){this.playing||this.stopped||(this.resumeAudioContext(),this.hardwareOffset=this.hardwareTime,this.playing=!0)}async 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i=Number(e[2])/8,r=e[3]!=="be",a=t==="pcm-u8"?2**7:0;return{dataType:s,sampleSize:i,littleEndian:r,silentValue:a}},wi=t=>t.startsWith("avc1")||t.startsWith("avc3")?"avc":t.startsWith("hev1")||t.startsWith("hvc1")?"hevc":t==="vp8"?"vp8":t.startsWith("vp09")?"vp9":t.startsWith("av01")?"av1":t.startsWith("mp4a.40")||t==="mp4a.67"?"aac":t==="mp3"||t==="mp4a.69"||t==="mp4a.6B"||t==="mp4a.6b"?"mp3":t==="opus"?"opus":t==="vorbis"?"vorbis":t==="flac"?"flac":t==="ulaw"?"ulaw":t==="alaw"?"alaw":gi.test(t)?t:t==="webvtt"?"webvtt":null,Zt=t=>t==="avc"?{avc:{format:"avc"}}:t==="hevc"?{hevc:{format:"hevc"}}:{},es=t=>t==="aac"?{aac:{format:"aac"}}:t==="opus"?{opus:{format:"opus"}}:{},It=class{constructor(t){this._factor=t}_toVideoBitrate(t,e,s){const i=e*s,r={avc:1,hevc:.6,vp9:.6,av1:.4,vp8:1.2},c=(l=>2e6*Math.pow(l/2073600,.75))(i)*r[t]*this._factor;return Math.ceil(c/1e3)*1e3}_toAudioBitrate(t){if(H.includes(t)||t==="flac")return-1;const s={aac:128e3,opus:64e3,mp3:16e4,vorbis:64e3}[t];if(!s)throw new Error(`Unhandled codec: ${t}`);let i=s*this._factor;return t==="aac"?i=[96e3,128e3,16e4,192e3].reduce((a,n)=>Math.abs(n-i)<Math.abs(a-i)?n:a):t==="opus"||t==="vorbis"?i=Math.max(6e3,i):t==="mp3"&&(i=[8e3,16e3,24e3,32e3,4e4,48e3,64e3,8e4,96e3,112e3,128e3,16e4,192e3,224e3,256e3,32e4].reduce((a,n)=>Math.abs(n-i)<Math.abs(a-i)?n:a)),Math.round(i/1e3)*1e3}},Na=["avc1","avc3","hev1","hvc1","vp8","vp09","av01"],La=/^(avc1|avc3)\.[0-9a-fA-F]{6}$/,Wa=/^(hev1|hvc1)\.(?:[ABC]?\d+)\.[0-9a-fA-F]{1,8}\.[LH]\d+(?:\.[0-9a-fA-F]{1,2}){0,6}$/,Ha=/^vp09(?:\.\d{2}){3}(?:(?:\.\d{2}){5})?$/,$a=/^av01\.\d\.\d{2}[MH]\.\d{2}(?:\.\d\.\d{3}\.\d{2}\.\d{2}\.\d{2}\.\d)?$/,yi=t=>{if(!t)throw new TypeError("Video chunk metadata must be provided.");if(typeof t!="object")throw new TypeError("Video chunk metadata must be an object.");if(!t.decoderConfig)throw new TypeError("Video chunk metadata must include a decoder configuration.");if(typeof t.decoderConfig!="object")throw new TypeError("Video chunk metadata decoder configuration must be an object.");if(typeof t.decoderConfig.codec!="string")throw new TypeError("Video chunk metadata decoder configuration must specify a codec string.");if(!Na.some(e=>t.decoderConfig.codec.startsWith(e)))throw new TypeError("Video chunk metadata decoder configuration codec string must be a valid video codec string as specified in the WebCodecs Codec Registry.");if(!Number.isInteger(t.decoderConfig.codedWidth)||t.decoderConfig.codedWidth<=0)throw new TypeError("Video chunk metadata decoder configuration must specify a valid codedWidth (positive integer).");if(!Number.isInteger(t.decoderConfig.codedHeight)||t.decoderConfig.codedHeight<=0)throw new TypeError("Video chunk metadata decoder configuration must specify a valid codedHeight (positive integer).");if(t.decoderConfig.description!==void 0&&!St(t.decoderConfig.description))throw new TypeError("Video chunk metadata decoder configuration description, when defined, must be an ArrayBuffer or an ArrayBuffer 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boolean.")}if(t.decoderConfig.codec.startsWith("avc1")||t.decoderConfig.codec.startsWith("avc3")){if(!La.test(t.decoderConfig.codec))throw new TypeError("Video chunk metadata decoder configuration codec string for AVC must be a valid AVC codec string as specified in Section 3.4 of RFC 6381.");if(!t.decoderConfig.description)throw new TypeError("Video chunk metadata decoder configuration for AVC must include a description, which is expected to be an AVCDecoderConfigurationRecord as specified in ISO 14496-15.")}else if(t.decoderConfig.codec.startsWith("hev1")||t.decoderConfig.codec.startsWith("hvc1")){if(!Wa.test(t.decoderConfig.codec))throw ne