3dtours
4d2da5a272
- ScriptProcessorNode fallback khi AudioWorkletNode fails - Render trực tiếp trong onaudioprocess callback, không cần setInterval - Worklet log peak + queue depth mỗi 50 process() calls - Log audioCtx state + sampleRate khi init
46 lines
1.2 KiB
JavaScript
46 lines
1.2 KiB
JavaScript
class FluidSynthBridge extends AudioWorkletProcessor {
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constructor() {
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super();
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this.leftQ = [];
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this.rightQ = [];
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this.called = 0;
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this.port.onmessage = (e) => {
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const d = e.data;
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if (d.type === 'PCM') {
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this.leftQ.push(d.L);
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this.rightQ.push(d.R);
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}
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};
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}
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process(inputs, outputs) {
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const out = outputs[0];
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if (!out) return true;
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this.called++;
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const len = out[0].length;
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const qL = this.leftQ;
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const qR = this.rightQ;
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let fi = 0;
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let si = 0;
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for (let i = 0; i < len; i++) {
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if (fi >= qL.length) { out[0][i] = 0; out[1][i] = 0; continue; }
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out[0][i] = qL[fi][si];
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out[1][i] = qR[fi][si];
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si++;
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if (si >= qL[fi].length) { fi++; si = 0; }
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}
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if (fi > 0) { this.leftQ.splice(0, fi); this.rightQ.splice(0, fi); }
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if (this.called % 50 === 0) {
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var pk = 0;
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for (var j = 0; j < len; j++) {
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var v = out[0][j] > 0 ? out[0][j] : -out[0][j];
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if (v > pk) pk = v;
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}
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if (pk > 0) console.log('[FluidSynth:bridge] process #' + this.called + ' peak:' + pk.toFixed(6) + ' q:' + qL.length);
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}
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return true;
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}
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}
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registerProcessor('fluidsynth-bridge', FluidSynthBridge);
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