function s(s,t,e){const o=[];for(let r=0;r<e;r+=1){let i=0,n=0;for(let o=r;o<t.length;o+=e)n+=t[o]*s[s.length-1-i],i+=1;o.push(n)}return o}class t extends AudioWorkletProcessor{constructor(){super(),this.numCoefficients=33,this.sampleRate=sampleRate,this.upsampleFactor=this.sampleRate>8e4?2:4,this.lpfCoefficients=function(s,t){const e=[],o=1/(4*t),r=1-Math.ceil(s/2),i=Math.floor(s/2);for(let n=r;n<=i;n++){const r=.54+.46*Math.cos(2*Math.PI*n/s);let i=0;i=0==n?2*o:Math.sin(2*Math.PI*o*n)/(Math.PI*n),i=r*i*t,e.push(i)}return e}(this.numCoefficients,this.upsampleFactor),this.lpfBuffers=[],this.port.postMessage({type:"message",message:`true peak inited? ${this.sampleRate}`}),this.processCount=0}process(t){const e=t[0];if(e.length>this.lpfBuffers.length)for(let s=1;s<=e.length;s+=1)s>this.lpfBuffers.length&&this.lpfBuffers.push(new Array(this.numCoefficients).fill(0));const o=function(t,e,o,r){return t.map(((t,i)=>{const n=e[i];let h=0;for(let e=0;e<t.length;e++){const i=t[e];n.push(i),n.shift();const a=s(n,o,r);for(let s=0;s<a.length;s++){const t=Math.abs(a[s]);t>h&&(h=t)}}return h}))}(e,this.lpfBuffers,this.lpfCoefficients,this.upsampleFactor);return this.port.postMessage({type:"peaks",peaks:o}),this.processCount%100==0&&this.port.postMessage({type:"message",message:this.lpfBuffers}),this.processCount+=1,!0}}try{registerProcessor("true-peak-processor",t)}catch(s){console.info("Failed to register true-peak-processor. This probably means it was already registered.")}