hacklab/strudel
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

wip

Browse source
This commit is contained in:
Jade (Rose) Rowland 2026-01-10 01:07:09 -05:00
commit 6a47139e0d
56 changed files with 4142 additions and 558 deletions
Download patch file Download diff file Expand all files Collapse all files

133
packages/superdough/synth.mjs
View file

@ -1,5 +1,5 @@
import { clamp } from './util.mjs';
import { registerSound, soundMap } from './superdough.mjs';
import { getSuperdoughAudioController, registerSound, soundMap } from './superdough.mjs';
import { getAudioContext } from './audioContext.mjs';
import {
applyFM,
@ -12,6 +12,7 @@ import {
getVibratoOscillator,
getWorklet,
noises,
onceEnded,
releaseAudioNode,
webAudioTimeout,
} from './helpers.mjs';
@ -19,7 +20,7 @@ import { logger } from './logger.mjs';
import { getNoiseMix, getNoiseOscillator } from './noise.mjs';
import { getNodeFromPool, markWorkletAsDead, releaseNodeToPool } from './nodePools.mjs';
const waveforms = ['triangle', 'square', 'sawtooth', 'sine', 'user'];
const waveforms = ['triangle', 'square', 'sawtooth', 'sine', 'user', 'one'];
const waveformAliases = [
['tri', 'triangle'],
['sqr', 'square'],
@ -52,17 +53,17 @@ export function registerSynthSounds() {
// turn down
const g = gainNode(0.3);
let sound = getOscillator(s, t, value, () => {
g.disconnect();
const sound = getOscillator(s, t, value, () => {
releaseAudioNode(g);
onended();
});
let { node: o, stop, triggerRelease } = sound;
const { node: o, nodes, stop, triggerRelease } = sound;
const { duration } = value;
const envGain = gainNode(1);
let node = o.connect(g).connect(envGain);
const node = o.connect(g).connect(envGain);
const holdEnd = t + duration;
getParamADSR(node.gain, attack, decay, sustain, release, 0, 1, t, holdEnd, 'linear');
const envEnd = holdEnd + release + 0.01;
@ -70,6 +71,7 @@ export function registerSynthSounds() {
stop(envEnd);
return {
node,
nodes,
stop: (endTime) => {
stop(endTime);
},
@ -111,15 +113,15 @@ export function registerSynthSounds() {
const mix = gainNode(mixGain);
o.onended = () => {
o.disconnect();
g.disconnect();
sat.disconnect();
noise.node.disconnect();
noiseGain.disconnect();
mix.disconnect();
onceEnded(o, () => {
releaseAudioNode(o);
releaseAudioNode(g);
releaseAudioNode(sat);
releaseAudioNode(noise.node);
releaseAudioNode(noiseGain);
releaseAudioNode(mix);
onended();
};
});
const node = o.connect(sat).connect(g).connect(mix);
noise.node.connect(noiseGain).connect(mix);
@ -139,6 +141,7 @@ export function registerSynthSounds() {
return {
node,
nodes: { source: [o] },
stop: (endTime) => {
o.stop(endTime);
},
@ -188,8 +191,8 @@ export function registerSynthSounds() {
};
const gainAdjustment = 1 / Math.sqrt(voices);
getPitchEnvelope(o.parameters.get('detune'), value, begin, holdend);
const vibratoOscillator = getVibratoOscillator(o.parameters.get('detune'), value, begin);
const fm = applyFM(o.parameters.get('frequency'), value, begin);
const vibratoHandle = getVibratoOscillator(o.parameters.get('detune'), value, begin);
const fmHandle = applyFM(o.parameters.get('frequency'), value, begin);
let envGain = gainNode(1);
envGain = o.connect(envGain);
@ -200,8 +203,8 @@ export function registerSynthSounds() {
() => {
releaseNodeToPool(o);
onended();
fm?.stop();
vibratoOscillator?.stop();
fmHandle?.stop();
vibratoHandle?.stop();
},
begin,
end,
@ -209,6 +212,7 @@ export function registerSynthSounds() {
return {
node: envGain,
nodes: { source: [o], ...fmHandle?.nodes, ...vibratoHandle?.nodes },
stop: (time) => {
timeoutNode.stop(time);
},
@ -284,6 +288,7 @@ export function registerSynthSounds() {
return {
node: envGain,
source: o,
stop: (time) => {
timeoutNode.stop(time);
},
@ -334,25 +339,25 @@ export function registerSynthSounds() {
);
getPitchEnvelope(o.parameters.get('detune'), value, begin, holdend);
const vibratoOscillator = getVibratoOscillator(o.parameters.get('detune'), value, begin);
const fm = applyFM(o.parameters.get('frequency'), value, begin);
const vibratoHandle = getVibratoOscillator(o.parameters.get('detune'), value, begin);
const fmHandle = applyFM(o.parameters.get('frequency'), value, begin);
let envGain = gainNode(1);
envGain = o.connect(envGain);
getParamADSR(envGain.gain, attack, decay, sustain, release, 0, 1, begin, holdend, 'linear');
let lfo;
let pw_lfo;
if (pwsweep != 0) {
lfo = getLfo(ac, begin, end, { frequency: pwrate, depth: pwsweep });
lfo.connect(o.parameters.get('pulsewidth'));
pw_lfo = getLfo(ac, { frequency: pwrate, depth: pwsweep, begin, end });
pw_lfo.connect(o.parameters.get('pulsewidth'));
}
let timeoutNode = webAudioTimeout(
ac,
() => {
releaseAudioNode(o);
releaseAudioNode(lfo);
releaseAudioNode(pw_lfo);
onended();
fm?.stop();
vibratoOscillator?.stop();
fmHandle?.stop();
vibratoHandle?.stop();
},
begin,
end,
@ -360,6 +365,7 @@ export function registerSynthSounds() {
return {
node: envGain,
nodes: { source: [o], pw_lfo: [pw_lfo], ...fmHandle?.nodes, ...vibratoHandle?.nodes },
stop: (time) => {
timeoutNode.stop(time);
},
@ -368,6 +374,41 @@ export function registerSynthSounds() {
{ prebake: true, type: 'synth' },
);
registerSound(
'bus',
(begin, value, onended) => {
const ac = getAudioContext();
const [attack, decay, sustain, release] = getADSRValues(
[value.attack, value.decay, value.sustain, value.release],
'linear',
[0.001, 0.05, 1, 0.01],
);
const holdend = begin + value.duration;
const end = holdend + release + 0.01;
const bus = getSuperdoughAudioController().getBus(value.n ?? 0);
const envGain = bus.connect(gainNode(0));
getParamADSR(envGain.gain, attack, decay, sustain, release, 0, 1, begin, holdend, 'linear');
const timeoutNode = webAudioTimeout(
ac,
() => {
bus.disconnect(envGain);
onended();
},
begin,
end,
);
return {
node: envGain,
nodes: { source: [bus] },
stop: (time) => {
timeoutNode.stop(time);
},
};
},
{ prebake: true, type: 'input' },
);
[...noises].forEach((s) => {
registerSound(
s,
@ -390,11 +431,11 @@ export function registerSynthSounds() {
const { duration } = value;
o.onended = () => {
o.disconnect();
g.disconnect();
onceEnded(o, () => {
releaseAudioNode(o);
releaseAudioNode(g);
onended();
};
});
const envGain = gainNode(1);
let node = o.connect(g).connect(envGain);
@ -405,6 +446,7 @@ export function registerSynthSounds() {
stop(envEnd);
return {
node,
nodes: { source: [o] },
stop: (endTime) => {
stop(endTime);
},
@ -472,8 +514,17 @@ export function getOscillator(s, t, value, onended) {
s = 'triangle';
}
s = s === 'user' && !partials ? 'triangle' : s;
// If no partials are given, use stock waveforms
if (!partials || partials?.length === 0 || s === 'sine') {
if (s === 'one') {
// Constant 1 oscillator (used for modulation)
o = new ConstantSourceNode(getAudioContext(), { offset: 1 });
o.start(t);
return {
node: o,
nodes: { source: o },
stop: (time) => o?.stop(time),
};
} else if (!partials || partials?.length === 0 || s === 'sine') {
// If no partials are given, use stock waveforms
o = getAudioContext().createOscillator();
o.type = s || 'triangle';
}
@ -484,29 +535,31 @@ export function getOscillator(s, t, value, onended) {
// set frequency
o.frequency.value = getFrequencyFromValue(value);
let vibratoOscillator = getVibratoOscillator(o.detune, value, t);
const vibratoHandle = getVibratoOscillator(o.detune, value, t);
// pitch envelope
getPitchEnvelope(o.detune, value, t, t + duration);
const fmModulator = applyFM(o.frequency, value, t);
const fmHandle = applyFM(o.frequency, value, t);
let noiseMix;
if (noise) {
noiseMix = getNoiseMix(o, noise, t);
}
o.onended = () => {
noiseMix || o.disconnect();
noiseMix?.node.disconnect();
onceEnded(o, () => {
noiseMix?.teardown();
releaseAudioNode(o);
releaseAudioNode(noiseMix?.node);
onended();
};
});
o.start(t);
return {
node: noiseMix?.node || o,
nodes: { source: [o], ...vibratoHandle?.nodes, ...fmHandle?.nodes },
stop: (time) => {
fmModulator.stop(time);
vibratoOscillator?.stop(time);
fmHandle.stop(time);
vibratoHandle?.stop(time);
noiseMix?.stop(time);
o.stop(time);
},