Module 956446

function(e,t,n){"use strict";function r(e,t){let n=-1/0;e.getFloatFrequencyData(t);for(let e=4;e<t.length;e++)t[e]>n&&t[e]<0&&(n=t[e]);return n}n.d(t,{A:()=>i}),n(321073),n(393431),n(532706),n(42231),n(232424),n(949626),n(767709),n(65162);class i{threshold;currentVolume=0;analyser;interval;fftBins;source;speakingHistory;speakingHistoryIndex=0;speakingCounter=0;silenceThreshold;silentFrames;onProcess=null;constructor(e,t,n,r=.1,i=10){const s=e.createAnalyser();s.fftSize=512,s.smoothingTimeConstant=r;const a=e.createMediaStreamSource(t);a.connect(s);const o=[];for(let e=0;e<i;e++)o.push(!1);const l=window.setInterval(()=>{this.update(),this.onProcess?.(this.speaking,this.currentVolume)},20);this.threshold=n,this.analyser=s,this.interval=l,this.fftBins=new Float32Array(s.fftSize),this.source=a,this.speakingHistory=o,this.silenceThreshold=this.speakingHistory.length,this.silentFrames=this.silenceThreshold}stop(){this.source.disconnect(),clearInterval(this.interval),this.speakingCounter=0}get speaking(){return this.speakingCounter>0||this.silentFrames<this.silenceThreshold}update(){this.currentVolume=r(this.analyser,this.fftBins),this.speakingHistory[this.speakingHistoryIndex]&&this.speakingCounter--;let e=this.currentVolume>this.threshold;this.speakingHistory[this.speakingHistoryIndex]=e,e&&this.speakingCounter++,++this.speakingHistoryIndex===this.speakingHistory.length&&(this.speakingHistoryIndex=0),this.speakingCounter>0?this.silentFrames=0:this.silentFrames++}}}