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[perf] level 5 connect-leak on vowel

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jeromew 2025-11-24 16:10:00 +00:00
parent 06bf17f444
commit 89a6efb69e
1 changed files with 17 additions and 5 deletions
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22
packages/superdough/vowel.mjs
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@ -45,7 +45,8 @@ if (typeof GainNode !== 'undefined') {
throw new Error('vowel: unknown vowel ' + letter); throw new Error('vowel: unknown vowel ' + letter);
} }
const { gains, qs, freqs } = vowelFormant[letter]; const { gains, qs, freqs } = vowelFormant[letter];
const makeupGain = ac.createGain(); this.makeupGain = ac.createGain();
this.audioNodes = [];
for (let i = 0; i < 5; i++) { for (let i = 0; i < 5; i++) {
const gain = ac.createGain(); const gain = ac.createGain();
gain.gain.value = gains[i]; gain.gain.value = gains[i];
@ -53,14 +54,25 @@ if (typeof GainNode !== 'undefined') {
filter.type = 'bandpass'; filter.type = 'bandpass';
filter.Q.value = qs[i]; filter.Q.value = qs[i];
filter.frequency.value = freqs[i]; filter.frequency.value = freqs[i];
this.connect(filter); super.connect(filter);
filter.connect(gain); filter.connect(gain);
gain.connect(makeupGain); this.audioNodes.push(filter);
gain.connect(this.makeupGain);
this.audioNodes.push(gain);
} }
makeupGain.gain.value = 8; // how much makeup gain to add? this.makeupGain.gain.value = 8; // how much makeup gain to add?
this.connect = (target) => makeupGain.connect(target);
return this; return this;
} }
connect(target) {
this.makeupGain.connect(target);
}
disconnect() {
this.makeupGain.disconnect();
this.audioNodes.forEach((n) => n.disconnect());
super.disconnect();
this.makeupGain = null;
this.audioNodes = null;
}
} }
AudioContext.prototype.createVowelFilter = function (letter) { AudioContext.prototype.createVowelFilter = function (letter) {