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web cpumeter. Not tested

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This commit is contained in:
Paolo Marrone 2024-07-04 10:58:35 +02:00
parent 8dccc52b08
commit 472cfbfbf4
1 changed files with 14 additions and 1 deletions
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15
templates/web/src/processor.js
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@ -27,6 +27,9 @@ var busesOut = buses.filter(x => x.type == "audio" && x.direction == "output")
var nChansIn = busesIn.reduce((a, x) => a + (x.channels == "mono" ? 1 : 2), 0);
var nChansOut = busesOut.reduce((a, x) => a + (x.channels == "mono" ? 1 : 2), 0);
var cpu_meter = 0.0;
var sampleRate = 1.0;
class Processor extends AudioWorkletProcessor {
constructor(options) {
super();
@ -71,6 +74,8 @@ class Processor extends AudioWorkletProcessor {
}
process(inputs, outputs, params) {
const processTimeStart = performance.now();
for (var i = 0; i < this.parametersIn.length; i++) {
var index = this.parametersIn[i].index;
var parameter = parameters[index];
@ -141,7 +146,11 @@ class Processor extends AudioWorkletProcessor {
for (var i = 0; i < this.parametersOut.length; i++) {
var index = this.parametersOut[i].index;
var value = this.parametersOutValues[i];
var value;
if (parameters[index].isCpumeter)
value = cpu_meter;
else
value = this.parametersOutValues[i];
if (value != this.parametersOut[i].value) {
this.paramOutChangeMsg.index = index;
this.paramOutChangeMsg.value = value;
@ -149,6 +158,10 @@ class Processor extends AudioWorkletProcessor {
this.parametersOut[i].value = value;
}
}
const processTimeEnd = performance.now();
const processTimeMs = processTimeEnd - processTimeStart;
const processTimeS = processTimeMs * 0.001;
cpu_meter = cpu_meter * 0.9 + (processTimeS * sampleRate) * 0.1;
return true; // because Chrome sucks: https://bugs.chromium.org/p/chromium/issues/detail?id=921354
}