Update Space dependencies

src/vendor/headaudio.min.mjs

@@ -0,0 +1 @@
+var e={d:(t,s)=>{for(var n in s)e.o(s,n)&&!e.o(t,n)&&Object.defineProperty(t,n,{enumerable:!0,get:s[n]})},o:(e,t)=>Object.prototype.hasOwnProperty.call(e,t)};const t=16e3,s=32,n=64,i=!0,o=.97,r=512,a=256,l=12,h=40,f=22,m=!1,c=!1,u=12,d=!0,v=1,p=15,g=14,b=0,y=2,w=8,E=u,A=56,M=78,_=368,O=92;class Training{constructor(e){const t=Object.assign({},e||{});this.vectorDiff=new Float32Array(u),this.matrixL=Array.from({length:u},()=>new Float32Array(u)),this.matrixLInv=Array.from({length:u},()=>new Float32Array(u)),this.matrixSigma=Array.from({length:u},()=>new Float32Array(u)),this.indexSigmaInvLower=this._buildSigmaInvLowerLookup()}_buildSigmaInvLowerLookup(){const e=Array.from({length:u},()=>new Uint16Array(u));let t=0;for(let s=0;s<u;s++)for(let n=0;n<=s;n++)e[s][n]=t,e[n][s]=t,t++;return e}computePrototype(e,t,s,n){const i=u,o=n.length;if(o<i)throw new Error(`Not enough samples (${o}) to compute full covariance.`);const r=new Float32Array(O),a=new DataView(r.buffer,0,8),l=undefined,h=undefined,f=(e?.codePointAt(0)||0)<<16|(e?.codePointAt(1)||0||0);a.setUint32(0,f),a.setUint8(5,t),a.setUint8(7,s);const m=new Float32Array(r.buffer,8,E),c=new Float32Array(r.buffer,A,M);for(let e=0;e<o;e++){const t=n[e];for(let e=0;e<i;e++)m[e]+=t[e]}const d=1/o;for(let e=0;e<i;e++)m[e]*=d;const v=this.matrixSigma;v.forEach(e=>e.fill(0));const p=1/(o-1);for(let e=0;e<o;e++){const t=n[e];for(let e=0;e<i;e++){const s=t[e]-m[e];for(let n=e;n<i;n++)v[e][n]+=s*(t[n]-m[n])}}for(let e=0;e<i;e++)for(let t=e;t<i;t++){const s=v[e][t]*p;v[e][t]=s,e!==t&&(v[t][e]=s)}let g=0;for(let e=0;e<i;e++)g+=v[e][e];const b=g/i*1e-5;for(let e=0;e<i;e++)v[e][e]+=b;const y=this.matrixL;y.forEach(e=>e.fill(0));for(let e=0;e<i;e++)for(let t=0;t<=e;t++){let s=v[e][t];for(let n=0;n<t;n++)s-=y[e][n]*y[t][n];if(e===t){if(s<=0)throw new Error("Matrix is not positive definite.");y[e][t]=Math.sqrt(s)}else y[e][t]=s/y[t][t]}const w=this.matrixLInv;w.forEach(e=>e.fill(0));for(let e=0;e<i;e++){w[e][e]=1/y[e][e];for(let t=0;t<e;t++){let s=0;for(let n=t;n<e;n++)s-=y[e][n]*w[n][t];w[e][t]=s/y[e][e]}}const _=Array.from({length:i},()=>new Float32Array(i));let x=0;for(let e=0;e<i;e++)for(let t=0;t<=e;t++){let s=0;for(let n=Math.max(e,t);n<i;n++)n>=e&&n>=t&&(s+=w[n][e]*w[n][t]);_[e][t]=s,_[t][e]=s,c[x]=s,x++}return{mu:m,sigmaInv:_,sigmaInvLower:c,bin:r.buffer}}decodeBinaryRecord(e){const t=new DataView(e.buffer,e.byteOffset,8),s=t.getUint32(0),n=s>>>16,i=65535&s,o=undefined,r=undefined,a=undefined,l=undefined,h=undefined;return{phoneme:0===i?String.fromCodePoint(n):String.fromCodePoint(n,i),group:t.getUint8(5),viseme:t.getUint8(7),mu:new Float32Array(e.buffer,e.byteOffset+8,E),sigmaInvLower:new Float32Array(e.buffer,e.byteOffset+A,M)}}async loadModel(e,t=null){const s=await fetch(e);if(!s.ok)throw new Error(`Failed to fetch model: ${s.status} ${s.statusText}`);const n=await s.arrayBuffer(),i=[],o=n.byteLength;let r=0;for(;r+_<=o;){const e=new Float32Array(n,r,O),s=this.decodeBinaryRecord(e);null!==t&&(s.group=t),i.push(s),r+=_}if(0===i.length)throw new Error("Fetched model is empty");return{model:i,buffer:n}}update(e){for(const t in e);}}class HeadAudio extends AudioWorkletNode{constructor(e,t=null){const s=Object.assign({},t||{});super(e,"headworklet",{numberOfInputs:1,numberOfOutputs:0,channelCount:1,channelCountMode:"explicit",channelInterpretation:"speakers",outputChannelCount:[],processorOptions:s?.processorOptions||{},parameterData:s?.parameterData||{}}),this.frameEventsEnabled=!!s.processorOptions?.frameEventsEnabled,this.vadEventsEnabled=!!s.processorOptions?.vadEventsEnabled,this.featureEventsEnabled=!!s.processorOptions?.featureEventsEnabled,this.visemeEventsEnabled=!!s.processorOptions?.visemeEventsEnabled,this.visemeNames=["viseme_aa","viseme_E","viseme_I","viseme_O","viseme_U","viseme_PP","viseme_SS","viseme_TH","viseme_DD","viseme_FF","viseme_kk","viseme_nn","viseme_RR","viseme_CH","viseme_sil"],this.nVisemes=this.visemeNames.length,this.visemeMaxs=[.65,.65,.65,.65,.65,.75,.65,.65,.65,.75,.65,.65,.65,.65,.65],this.visemeAlphas=new Array(this.nVisemes).fill(0),this.visemeActive=-1,this.easing=this.sigmoidFactory(5),this.onvalue=null,this.onframe=null,this.onsentence=null,this.onstarted=null,this.onended=null,this.onfeature=null,this.onviseme=null,this.training=new Training,this.timerCounter=0,this.isRunning=!0,this.port.onmessage=this._onmessage.bind(this)}sigmoidFactory(e){function t(t){return 1/(1+Math.exp(-e*t))-.5}var s=.5/t(1);return function(e){return s*t(2*Math.max(Math.min(e,1),0)-1)+.5}}_onmessage(e){const t=e.data;switch(t.event){case"frame":this.frameEventsEnabled&&this.onframe&&"function"==typeof this.onframe&&this.onframe(t);break;case"vad":this.vadEventsEnabled&&this.onvad&&"function"==typeof this.onvad&&this.onvad(t);break;case"feature":this.featureEventsEnabled&&this.onfeature&&"function"==typeof this.onfeature&&this.onfeature(t);break;case"viseme":const e=t.viseme;e&&(this.visemeActive=e===g?-1:e),this.visemeEventsEnabled&&this.onviseme&&"function"==typeof this.onviseme&&this.onviseme(t);break;case"started":this.onstarted&&"function"==typeof this.onstarted&&this.onstarted(t);break;case"ended":this.visemeActive=-1,this.lastEndEvent=performance.now(),this.onended&&"function"==typeof this.onended&&this.onended(t);break;case"calibrated":try{const{mu:e,sigmaInvLower:s,bin:n}=this.training.computePrototype("sc",255,g,t.vs);this.port.postMessage({event:"model",model:[{phoneme:"sc",group:255,viseme:g,mu:e,sigmaInvLower:s}]},[n])}catch(e){t.error=e,console.error(e)}this.oncalibrated&&"function"==typeof this.oncalibrated&&this.oncalibrated(t)}}async loadModel(e,t=!0){const{model:s,buffer:n}=await this.training.loadModel(e);t&&this.port.postMessage({event:"reset"}),this.port.postMessage({event:"model",model:s},[n])}update(e){const t=e/100;for(let e=0;e<this.nVisemes;e++){let s=this.visemeAlphas[e],n=!1;if(e===this.visemeActive?(n=!0,s<1&&(s+=t,s>.99&&(s=1))):s>0&&(n=!0,s-=t,s<.01&&(s=0)),n){let t=this.visemeMaxs[e]*this.easing(s);this.onvalue&&"function"==typeof this.onvalue&&this.onvalue(this.visemeNames[e],t),this.visemeAlphas[e]=s}}}start(){this.isRunning=!0,this.port.postMessage({event:"start"})}stop(){this.isRunning=!1,this.port.postMessage({event:"stop"})}calibrate(){this.port.postMessage({event:"calibrate"})}resetAll(){this.port.postMessage({event:"reset"})}resetTimer(){this.timerCounter++,this.parameters.get("timerReset").value=this.timerCounter}}export{HeadAudio};