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[perf] release unused AudioBufferSourceNode + releaseAudioNode

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This commit is contained in:
jeromew 2025-12-01 15:29:19 +00:00
parent 7a3e0fd3fe
commit 68b1cb87ca
5 changed files with 48 additions and 26 deletions
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16
packages/superdough/sampler.mjs
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@ -1,7 +1,7 @@
import { getBaseURL, getCommonSampleInfo } from './util.mjs';
import { registerSound, registerWaveTable } from './index.mjs';
import { getAudioContext } from './audioContext.mjs';
import { getADSRValues, getParamADSR, getPitchEnvelope, getVibratoOscillator } from './helpers.mjs';
import { getADSRValues, getParamADSR, getPitchEnvelope, getVibratoOscillator, releaseAudioNode } from './helpers.mjs';
import { logger } from './logger.mjs';
const bufferCache = {}; // string: Promise<ArrayBuffer>
@ -286,17 +286,19 @@ export async function onTriggerSample(t, value, onended, bank, resolveUrl) {
const { bufferSource, sliceDuration, offset } = await getSampleBufferSource(value, bank, resolveUrl);
// asny stuff above took too long?
if (ac.currentTime > t) {
logger(`[sampler] still loading sound "${s}:${n}"`, 'highlight');
// console.warn('sample still loading:', s, n);
return;
}
if (!bufferSource) {
logger(`[sampler] could not load "${s}:${n}"`, 'error');
return;
}
// async stuff above took too long?
if (ac.currentTime > t) {
logger(`[sampler] loading sound "${s}:${n}" took too long`, 'highlight');
// AudioBufferSourceNode will never be used. discard it
releaseAudioNode(bufferSource);
return;
}
// vibrato
let vibratoOscillator = getVibratoOscillator(bufferSource.detune, value, t);