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midi: support ccn and ccv

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This commit is contained in:
Felix Roos 2023-02-24 10:15:21 +01:00
parent 6283273d81
commit 5de6643604
1 changed files with 23 additions and 14 deletions
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37
packages/midi/midi.mjs
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@ -5,8 +5,9 @@ This program is free software: you can redistribute it and/or modify it under th
*/
import * as _WebMidi from 'webmidi';
import { Pattern, isPattern, isNote, getPlayableNoteValue, logger } from '@strudel.cycles/core';
import { Pattern, isPattern, logger } from '@strudel.cycles/core';
import { getAudioContext } from '@strudel.cycles/webaudio';
import { toMidi } from '@strudel.cycles/core';
// if you use WebMidi from outside of this package, make sure to import that instance:
export const { WebMidi } = _WebMidi;
@ -90,11 +91,6 @@ Pattern.prototype.midi = function (output, channel = 1) {
);
}
return this.onTrigger((time, hap) => {
let note = getPlayableNoteValue(hap);
const velocity = hap.context?.velocity ?? 0.9;
if (!isNote(note)) {
throw new Error('not a note: ' + note);
}
if (!midiReady) {
return;
}
@ -106,15 +102,28 @@ Pattern.prototype.midi = function (output, channel = 1) {
.join(' | ')}`,
);
}
// console.log('midi', value, output);
hap.ensureObjectValue();
// calculate time
const timingOffset = WebMidi.time - getAudioContext().currentTime * 1000;
time = time * 1000 + timingOffset;
// const inMs = '+' + (time - Tone.getContext().currentTime) * 1000;
// await enableWebMidi()
device.playNote(note, channel, {
time,
duration: hap.duration.valueOf() * 1000 - 5,
attack: velocity,
});
// destructure value
const { note, nrpnn, nrpv, ccn, ccv } = hap.value;
const velocity = hap.context?.velocity ?? 0.9; // TODO: refactor velocity
const duration = hap.duration.valueOf() * 1000 - 5;
if (note) {
const midiNumber = toMidi(note);
console.log('midi number', midiNumber);
device.playNote(midiNumber, channel, {
time,
duration,
attack: velocity,
});
}
if (ccn && ccv) {
device.sendControlChange(ccn, ccv, channel, { time });
}
});
};