9204773e7d
Vendor tested Lesavka observer assets and numeric receipt schema from 6b97ceb1. Verified 65 JS tests, 10 service tests, kustomize render and Kubernetes client dry-run. No media upload, capture activation or changes to the homepage and private OCR.
42 lines
2.1 KiB
JavaScript
42 lines
2.1 KiB
JavaScript
// A cumulative, one-credit metadata reporter: never copies or sends audio.
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class Activity extends AudioWorkletProcessor {
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constructor(options) {
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super(); this.frames=0; this.inputFrames=0; this.zeroFrames=0;
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this.energy=0; this.peak=0; this.credit=true; this.next=0; this.stopped=false;
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this.watch=options?.processorOptions?.continuityWatch===true;
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this.startedFrame=this.watch?currentFrame:0;this.lastAckFrame=this.startedFrame;
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this.port.onmessage=({data})=>{
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if(data==='ack'){this.credit=true;if(this.watch)this.lastAckFrame=currentFrame;}
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if(data==='stop')this.stopped=true;
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};
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}
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process(inputs,outputs) {
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if(this.stopped)return false;
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if(this.watch) {
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// Long watches require a live UI owner. Withheld ACKs stop work
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// autonomously; they never renew the fixed ten-hour deadline.
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const age=currentFrame-this.startedFrame,unacked=currentFrame-this.lastAckFrame;
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if(!Number.isSafeInteger(age)||age<0||unacked<0||age>=sampleRate*36025||unacked>sampleRate*10) {
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this.stopped=true;this.port.postMessage({watchStopped:true});return false;
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}
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} else if(this.frames >= sampleRate*125)return false;
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const block=outputs[0]?.[0]?.length ?? 128;
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const samples=inputs[0]?.[0];
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this.frames+=block;
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if(samples) for(const value of samples) {
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this.inputFrames++; this.energy+=value*value;
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this.peak=Math.max(this.peak,Math.abs(value));
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if(value===0)this.zeroFrames++;
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}
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// Output is left at zero: no monitoring/playback or acoustic feedback.
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if(this.credit && this.frames>=this.next) {
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this.port.postMessage({inputFrames:this.inputFrames,processedFrames:this.frames,
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exactZeroFrames:this.zeroFrames,rms:this.inputFrames ? Math.sqrt(this.energy/this.inputFrames) : 0,
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peak:this.peak,sampleRate});
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this.credit=false; this.next=this.frames+sampleRate;
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}
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return true;
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}
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}
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registerProcessor('av-activity',Activity);
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