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refactor csound

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This commit is contained in:
Felix Roos 2022-12-10 22:47:24 +01:00
parent 27a6ac0c0b
commit 2f4da3ed52
2 changed files with 18 additions and 19 deletions
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35
packages/csound/csound.mjs
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@ -1,4 +1,4 @@
import { getFrequency, logger, Pattern } from '@strudel.cycles/core';
import { getFrequency, logger, register } from '@strudel.cycles/core';
import { getAudioContext } from '@strudel.cycles/webaudio';
import csd from './project.csd?raw';
// import livecodeOrc from './livecode.orc?raw';
@ -6,12 +6,24 @@ import presetsOrc from './presets.orc?raw';
let csoundLoader, _csound;
// triggers given instrument name using csound.
Pattern.prototype._csound = function (instrument) {
// initializes csound + can be used to reevaluate given instrument code
export async function loadCSound(code = '') {
await init();
if (code) {
code = `${code}`;
// ^ ^
// wrapping in backticks makes sure it works when calling as templated function
await _csound?.evalCode(code);
}
}
export const loadcsound = loadCSound;
export const loadCsound = loadCSound;
export const csound = register('csound', (instrument, pat) => {
instrument = instrument || 'triangle';
init(); // not async to support csound inside other patterns + to be able to call pattern methods after it
// TODO: find a alternative way to wait for csound to load (to wait with first time playback)
return this.onTrigger((time, hap) => {
return pat.onTrigger((time, hap) => {
if (!_csound) {
logger('[csound] not loaded yet', 'warning');
return;
@ -40,20 +52,7 @@ Pattern.prototype._csound = function (instrument) {
const msg = `i ${params.join(' ')}`;
_csound.inputMessage(msg);
});
};
// initializes csound + can be used to reevaluate given instrument code
export async function csound(code = '') {
await init();
if (code) {
code = `${code}`;
// ^ ^
// wrapping in backticks makes sure it works when calling as templated function
await _csound?.evalCode(code);
}
}
Pattern.prototype.define('csound', (a, pat) => pat.csound(a), { composable: false, patternified: true });
});
function eventLogger(type, args) {
const [msg] = args;

2
repl/src/tunes.mjs
View File

@ -769,7 +769,7 @@ note("c3 eb3 g3 bb3").palindrome()
export const csoundDemo = `// licensed with CC BY-NC-SA 4.0 https://creativecommons.org/licenses/by-nc-sa/4.0/
// by Felix Roos
await csound\`
await loadCsound\`
instr CoolSynth
iduration = p3
ifreq = p4