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Merge pull request #134 from tidalcycles/scheduler-improvements

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Scheduler improvements
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Felix Roos 2022-06-16 20:48:23 +02:00 committed by GitHub
commit f2f3511a2f
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1 changed files with 6 additions and 4 deletions
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10
packages/webaudio/scheduler.mjs
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@ -10,18 +10,20 @@ import { State, TimeSpan } from '@strudel.cycles/core';
export class Scheduler { export class Scheduler {
worker; worker;
pattern; pattern;
constructor({ audioContext, interval = 0.2, onEvent }) { constructor({ audioContext, interval = 0.2, onEvent, latency = 0.2 }) {
this.worker = new ClockWorker( this.worker = new ClockWorker(
audioContext, audioContext,
(begin, end) => { (begin, end) => {
this.pattern.query(new State(new TimeSpan(begin, end))).forEach((e) => { this.pattern.query(new State(new TimeSpan(begin + latency, end + latency))).forEach((e) => {
if (!e.part.begin.equals(e.whole.begin)) { if (!e.part.begin.equals(e.whole.begin)) {
return; return;
} }
if (e.context.onTrigger) {
// TODO: kill first param, as it's contained in e
e.context.onTrigger(e.whole.begin, e, audioContext.currentTime, 1 /* cps */);
}
if (onEvent) { if (onEvent) {
onEvent?.(e); onEvent?.(e);
} else {
console.warn('unplayable event: no audio node nor onEvent callback', e);
} }
}); });
}, },