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web cpu meter fix. We were overriding the samplerate

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This commit is contained in:
Paolo 2024-12-09 10:49:23 +01:00
parent fb8a80f3e5
commit 01fc0d8430
1 changed files with 10 additions and 11 deletions
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21
templates/web/src/processor.js
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@ -18,19 +18,19 @@
* File author: Stefano D'Angelo * File author: Stefano D'Angelo
*/ */
var buses = {{=JSON.stringify(it.product.buses, null, 2)}}; const buses = {{=JSON.stringify(it.product.buses, null, 2)}};
var parameters = {{=JSON.stringify(it.product.parameters, null, 2)}}; const parameters = {{=JSON.stringify(it.product.parameters, null, 2)}};
var busesIn = buses.filter(x => x.type == "audio" && x.direction == "input"); const busesIn = buses.filter(x => x.type == "audio" && x.direction == "input");
var busesOut = buses.filter(x => x.type == "audio" && x.direction == "output"); const busesOut = buses.filter(x => x.type == "audio" && x.direction == "output");
var nChansIn = busesIn.reduce((a, x) => a + (x.channels == "mono" ? 1 : 2), 0); const 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); const nChansOut = busesOut.reduce((a, x) => a + (x.channels == "mono" ? 1 : 2), 0);
var cpu_meter = 0.0; let cpu_meter = 0.0;
var sampleRate = 1.0;
const now = globalThis.performance ? performance.now : Date.now; // performance is not available, and there's no better option than Date atm
const now = Date.now;
class Processor extends AudioWorkletProcessor { class Processor extends AudioWorkletProcessor {
constructor(options) { constructor(options) {
@ -162,8 +162,7 @@ class Processor extends AudioWorkletProcessor {
} }
const processTimeEnd = now(); const processTimeEnd = now();
const processTimeMs = processTimeEnd - processTimeStart; const processTimeMs = processTimeEnd - processTimeStart;
const processTimeS = processTimeMs * 0.001; cpu_meter = cpu_meter * 0.99 + (processTimeMs * 0.128 / sampleRate) * 0.01; // TODO: something better than 0.99?
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 return true; // because Chrome sucks: https://bugs.chromium.org/p/chromium/issues/detail?id=921354
} }