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Merge branch 'main' into deprecate-old-package-names

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This commit is contained in:
Felix Roos 2024-01-18 09:33:16 +01:00
commit 171f4206a8
65 changed files with 2829 additions and 1113 deletions
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42
packages/soundfonts/fontloader.mjs
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@ -1,5 +1,12 @@
import { noteToMidi, freqToMidi, getSoundIndex } from '@strudel.cycles/core';
import { getAudioContext, registerSound, getEnvelope } from '@strudel.cycles/webaudio';
import {
getAudioContext,
registerSound,
getParamADSR,
getADSRValues,
getPitchEnvelope,
getVibratoOscillator,
} from '@strudel.cycles/webaudio';
import gm from './gm.mjs';
let loadCache = {};
@ -130,24 +137,39 @@ export function registerSoundfonts() {
registerSound(
name,
async (time, value, onended) => {
const [attack, decay, sustain, release] = getADSRValues([
value.attack,
value.decay,
value.sustain,
value.release,
]);
const { duration } = value;
const n = getSoundIndex(value.n, fonts.length);
const { attack = 0.001, decay = 0.001, sustain = 1, release = 0.001 } = value;
const font = fonts[n];
const ctx = getAudioContext();
const bufferSource = await getFontBufferSource(font, value, ctx);
bufferSource.start(time);
const { node: envelope, stop: releaseEnvelope } = getEnvelope(attack, decay, sustain, release, 0.3, time);
bufferSource.connect(envelope);
const stop = (releaseTime) => {
const silentAt = releaseEnvelope(releaseTime);
bufferSource.stop(silentAt);
};
const envGain = ctx.createGain();
const node = bufferSource.connect(envGain);
const holdEnd = time + duration;
getParamADSR(node.gain, attack, decay, sustain, release, 0, 0.3, time, holdEnd, 'linear');
let envEnd = holdEnd + release + 0.01;
// vibrato
let vibratoOscillator = getVibratoOscillator(bufferSource.detune, value, time);
// pitch envelope
getPitchEnvelope(bufferSource.detune, value, time, holdEnd);
bufferSource.stop(envEnd);
const stop = (releaseTime) => {};
bufferSource.onended = () => {
bufferSource.disconnect();
envelope.disconnect();
vibratoOscillator?.stop();
node.disconnect();
onended();
};
return { node: envelope, stop };
return { node, stop };
},
{ type: 'soundfont', prebake: true, fonts },
);