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Change from audiocontext currenttime to logicaltime

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This commit is contained in:
Miika Alonen
2023-08-25 13:36:23 +03:00
parent 2cd1d7b683
commit 814ea0c660
1 changed files with 5 additions and 4 deletions
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9
src/TransportNode.js
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@ -28,19 +28,20 @@ export class TransportNode extends AudioWorkletNode {
/** @type {(this: MessagePort, ev: MessageEvent<any>) => any} */ /** @type {(this: MessagePort, ev: MessageEvent<any>) => any} */
handleMessage = (message) => { handleMessage = (message) => {
if (message.data && message.data.type === "bang") { if (message.data && message.data.type === "bang") {
let { futureTimeStamp, timeToNextPulse, nextPulsePosition } = this.convertTimeToNextBarsBeats(message.data.logicalTime); this.logicalTime = message.data.logicalTime;
let { futureTimeStamp, timeToNextPulse, nextPulsePosition } = this.convertTimeToNextBarsBeats(this.logicalTime);
// Evaluate the global buffer only once per ppqn value // Evaluate the global buffer only once per ppqn value
if (this.nextPulsePosition !== nextPulsePosition) { if (this.nextPulsePosition !== nextPulsePosition) {
this.nextPulsePosition = nextPulsePosition; this.nextPulsePosition = nextPulsePosition;
setTimeout(() => { setTimeout(() => {
const now = this.app.audioContext.currentTime; const now = this.logicalTime;
this.app.clock.time_position = futureTimeStamp; this.app.clock.time_position = futureTimeStamp;
// this.$clock.innerHTML = `[${futureTimeStamp.bar}:${futureTimeStamp.beat}:${zeroPad(futureTimeStamp.pulse, '2')}]`; //this.$clock.innerHTML = `[${futureTimeStamp.bar}:${futureTimeStamp.beat}:${zeroPad(futureTimeStamp.pulse, '2')}]`;
tryEvaluate(this.app, this.app.global_buffer); tryEvaluate(this.app, this.app.global_buffer);
this.hasBeenEvaluated = true; this.hasBeenEvaluated = true;
this.currentPulsePosition = nextPulsePosition; this.currentPulsePosition = nextPulsePosition;
const then = this.app.audioContext.currentTime; const then = this.logicalTime;
this.lastLatencies[this.indexOfLastLatencies] = then - now; this.lastLatencies[this.indexOfLastLatencies] = then - now;
this.indexOfLastLatencies = (this.indexOfLastLatencies + 1) % this.lastLatencies.length; this.indexOfLastLatencies = (this.indexOfLastLatencies + 1) % this.lastLatencies.length;
const averageLatency = this.lastLatencies.reduce((a, b) => a + b) / this.lastLatencies.length; const averageLatency = this.lastLatencies.reduce((a, b) => a + b) / this.lastLatencies.length;