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still working on popping issue with firefox

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This commit is contained in:
Jade (Rose) Rowland 2023-12-20 10:50:06 -05:00
parent deb973afa5
commit fb81f6f268
1 changed files with 7 additions and 5 deletions
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12
packages/superdough/helpers.mjs
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@ -1,7 +1,7 @@
import { getAudioContext } from './superdough.mjs'; import { getAudioContext } from './superdough.mjs';
import { clamp } from './util.mjs'; import { clamp } from './util.mjs';
const setRelease = (param, startTime, endTime, endValue, curve = 'linear') => { const setRelease = (param, phase, sustain, startTime, endTime, endValue, curve = 'linear') => {
const ctx = getAudioContext(); const ctx = getAudioContext();
const ramp = curve === 'exponential' ? 'exponentialRampToValueAtTime' : 'linearRampToValueAtTime'; const ramp = curve === 'exponential' ? 'exponentialRampToValueAtTime' : 'linearRampToValueAtTime';
if (param.cancelAndHoldAtTime == null) { if (param.cancelAndHoldAtTime == null) {
@ -15,9 +15,10 @@ const setRelease = (param, startTime, endTime, endValue, curve = 'linear') => {
param[ramp](endValue, endTime); param[ramp](endValue, endTime);
}, (startTime - ctx.currentTime) * 1000); }, (startTime - ctx.currentTime) * 1000);
} else { } else {
if (phase < startTime) {
param.setValueAtTime(sustain, startTime);
}
param.cancelAndHoldAtTime(startTime); param.cancelAndHoldAtTime(startTime);
param.setValueAtTime(param.value, startTime);
//release
param[ramp](endValue, endTime); param[ramp](endValue, endTime);
} }
}; };
@ -43,7 +44,7 @@ export const getEnvelope = (attack, decay, sustain, release, velocity, begin) =>
node: gainNode, node: gainNode,
stop: (t) => { stop: (t) => {
const endTime = t + release; const endTime = t + release;
setRelease(gainNode.gain, t, endTime, 0); setRelease(gainNode.gain, phase, sustain, t, endTime, 0);
// helps prevent pops from overlapping sounds // helps prevent pops from overlapping sounds
return endTime; return endTime;
}, },
@ -113,10 +114,11 @@ export const getParamADSR = (
param[ramp](peak, phase); param[ramp](peak, phase);
phase += decay; phase += decay;
const sustainLevel = min + sustain * range; const sustainLevel = min + sustain * range;
//decay //decay
param[ramp](sustainLevel, phase); param[ramp](sustainLevel, phase);
setRelease(param, end, end + release, min, curve); setRelease(param, phase, sustain, end, end + release, min, curve);
}; };
export function getCompressor(ac, threshold, ratio, knee, attack, release) { export function getCompressor(ac, threshold, ratio, knee, attack, release) {