mirror of
https://codeberg.org/uzu/strudel
synced 2026-10-25 23:34:53 -04:00
Felix Roos
70 lines
2.3 KiB
JavaScript
70 lines
2.3 KiB
JavaScript
/*
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dough.mjs
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Copyright (C) 2022 Strudel contributors - see <https://codeberg.org/uzu/strudel/src/branch/main/packages/osc/osc.mjs>
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This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import { register } from '@strudel/core';
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import { Dough, doughsamples } from 'dough-synth';
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import { getAudioContext, ensureMinimalOutput } from '@strudel/webaudio';
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import wasm from 'dough-synth/dough.wasm?url';
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import workletCode from 'dough-synth/dough.js?raw';
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import { hap2dough } from './lib.mjs';
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export * from './lib.mjs';
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Object.assign(globalThis, { doughsamples });
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let D;
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/**
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*
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* initializes dough ahead of time. you don't need to use this, but if you do, you can await it, so dough is ready before the pattern starts.
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*
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* @name initDough
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* @tags external_io
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* @memberof Pattern
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* @example
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* await initDough()
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* $: chord("<Dm9 Dm11 Dm7>").offset("<-1 0 1 0>").voicing()
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* .phaser(3).fm(1.4).fmh(1.01)
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* .dough()
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*/
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export function initDough() {
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if (!D || D.audioContext !== getAudioContext()) {
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D = new Dough({
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wasm,
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workletCode,
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audioContext: getAudioContext(),
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});
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}
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return D.ready;
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}
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export async function doughOutput(hap, targetTime, cps = 1) {
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const offset = D.context_offset?.[0];
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if (!offset) {
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return; // not ready
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}
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const t = targetTime - offset;
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const event = hap2dough(hap, t, cps);
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D.evaluate(event);
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}
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/**
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*
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* Uses dough as the audio engine. more info at https://dough.strudel.cc
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*
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* @name dough
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* @tags external_io
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* @memberof Pattern
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* @returns Pattern
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* @example
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* $: chord("<Dm9 Dm11 Dm7>").offset("<-1 0 1 0>").voicing()
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* .phaser(3).fm(1.4).fmh(1.01)
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* .dough()
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*/
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export const dough = register('dough', (pat) => {
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initDough();
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ensureMinimalOutput();
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return pat.onSchedule(doughOutput);
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});
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