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Merge remote-tracking branch 'origin/main' into midi-in

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This commit is contained in:
Felix Roos 2023-09-28 10:40:24 +02:00
commit e4eff8c837
7 changed files with 124 additions and 5 deletions
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31
packages/midi/midi.mjs
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@ -76,6 +76,19 @@ function getDevice(indexOrName, devices) {
return IACOutput ?? devices[0];
}
// send start/stop messages to outputs when repl starts/stops
if (typeof window !== 'undefined') {
window.addEventListener('message', (e) => {
if (!WebMidi?.enabled) {
return;
}
if (e.data === 'strudel-stop') {
WebMidi.outputs.forEach((output) => output.sendStop());
}
// cannot start here, since we have no timing info, see sendStart below
});
}
Pattern.prototype.midi = function (output) {
if (isPattern(output)) {
throw new Error(
@ -101,6 +114,7 @@ Pattern.prototype.midi = function (output) {
return this.onTrigger((time, hap, currentTime, cps) => {
if (!WebMidi.enabled) {
console.log('not enabled');
return;
}
const device = getDevice(output, WebMidi.outputs);
@ -111,7 +125,7 @@ Pattern.prototype.midi = function (output) {
const timeOffsetString = `+${offset}`;
// destructure value
const { note, nrpnn, nrpv, ccn, ccv, midichan = 1 } = hap.value;
const { note, nrpnn, nrpv, ccn, ccv, midichan = 1, midicmd } = hap.value;
const velocity = hap.context?.velocity ?? 0.9; // TODO: refactor velocity
// note off messages will often a few ms arrive late, try to prevent glitching by subtracting from the duration length
@ -123,7 +137,7 @@ Pattern.prototype.midi = function (output) {
time: timeOffsetString,
});
}
if (ccv && ccn) {
if (ccv !== undefined && ccn !== undefined) {
if (typeof ccv !== 'number' || ccv < 0 || ccv > 1) {
throw new Error('expected ccv to be a number between 0 and 1');
}
@ -133,6 +147,19 @@ Pattern.prototype.midi = function (output) {
const scaled = Math.round(ccv * 127);
device.sendControlChange(ccn, scaled, midichan, { time: timeOffsetString });
}
if (hap.whole.begin + 0 === 0) {
// we need to start here because we have the timing info
device.sendStart({ time: timeOffsetString });
}
if (['clock', 'midiClock'].includes(midicmd)) {
device.sendClock({ time: timeOffsetString });
} else if (['start'].includes(midicmd)) {
device.sendStart({ time: timeOffsetString });
} else if (['stop'].includes(midicmd)) {
device.sendStop({ time: timeOffsetString });
} else if (['continue'].includes(midicmd)) {
device.sendContinue({ time: timeOffsetString });
}
});
};