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Ensure zeroGain is cleaned up after use; move start/stop to after callback assigned for safety

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Aria
2025-08-19 16:18:48 -05:00
committed by Switch Angel AKA Jade Rose
parent 64f7bc4442
commit 659071a4ee
1 changed files with 10 additions and 3 deletions
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packages/superdough/helpers.mjs
+10 -3
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@@ -211,18 +211,25 @@ export function getVibratoOscillator(param, value, t) {
export function webAudioTimeout(audioContext, onComplete, startTime, stopTime) {
const constantNode = new ConstantSourceNode(audioContext);
// Safari requires audio nodes to be connected in order for their onended events
// Certain browsers requires audio nodes to be connected in order for their onended events
// to fire, so we _mute it_ and then connect it to the destination
const zeroGain = gainNode(0);
zeroGain.connect(audioContext.destination);
constantNode.connect(zeroGain);
constantNode.start(startTime);
// Schedule the `onComplete` callback to occur at `stopTime`
constantNode.stop(stopTime);
constantNode.onended = () => {
// Ensure garbage collection
try {
zeroGain.disconnect();
} catch {}
try {
constantNode.disconnect();
} catch {}
onComplete();
};
constantNode.start(startTime);
constantNode.stop(stopTime);
return constantNode;
}
const mod = (freq, range = 1, type = 'sine') => {