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add freq support to sampler

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This commit is contained in:
Felix Roos 2022-12-12 20:41:09 +01:00
parent 8b22c2e04f
commit df73ce8a60
5 changed files with 43 additions and 8 deletions
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9
packages/webaudio/sampler.mjs
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@ -1,4 +1,4 @@
import { logger, toMidi } from '@strudel.cycles/core';
import { logger, toMidi, valueToMidi } from '@strudel.cycles/core';
import { getAudioContext } from './index.mjs';
const bufferCache = {}; // string: Promise<ArrayBuffer>
@ -20,9 +20,12 @@ function humanFileSize(bytes, si) {
return bytes.toFixed(1) + ' ' + units[u];
}
export const getSampleBufferSource = async (s, n, note, speed) => {
export const getSampleBufferSource = async (s, n, note, speed, freq) => {
let transpose = 0;
let midi = typeof note === 'string' ? toMidi(note) : note || 36;
if (freq !== undefined && note !== undefined) {
logger('[sampler] hap has note and freq. ignoring note', 'warning');
}
let midi = valueToMidi({ freq, n, note }, 36);
transpose = midi - 36; // C3 is middle C
const ac = getAudioContext();