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Ignore non-note messages

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Aria
2026-01-11 23:34:52 -06:00
parent 12cc1e9b5e
commit 5355a0c563
1 changed files with 9 additions and 4 deletions
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packages/midi/midi.mjs
+9 -4
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@@ -589,7 +589,7 @@ export async function midin(input) {
const kHaps = {};
const kListeners = {};
function triggerKbNow(input, cps, now, latencyCycles) {
function _triggerKeyboard(input, cps, now, latencyCycles) {
const pattern = getPattern();
const trigger = getTriggerFunc();
if (!pattern || !trigger) {
@@ -623,9 +623,14 @@ export async function midikeys(input) {
kListeners[input] && device.removeListener('midimessage', kListeners[input]);
kListeners[input] = (e) => {
const { dataBytes, message } = e;
const [note, velocity] = dataBytes;
const noteon = message.command === 9;
const noteoff = message.command === 8 || (noteon && velocity === 0);
let noteoff = message.command === 8;
if (!noteon && !noteoff) {
// Ignore non-note messages (e.g. CC, pitchbend, modwheel, etc.)
return;
}
const [note, velocity] = dataBytes;
noteoff ||= noteon && velocity === 0; // handle devices which may use velocity = 0 to signal noteoff
const key = `${input}_${note}`;
const cps = getCps() ?? 0.5;
const triggerAvailable = !!(getPattern() && getTriggerFunc());
@@ -655,7 +660,7 @@ export async function midikeys(input) {
if (!noteoff && triggerAvailable) {
// If we have access to a trigger function, we call it to immediately
// dispatch to the audio engine, rather than waiting for cyclist to catch these haps
const triggered = triggerKbNow(input, cps, now, latencySeconds * cps);
const triggered = _triggerKeyboard(input, cps, now, latencySeconds * cps);
if (triggered) {
kHaps[input] = [];
}