Actualiser src/utils/midiHelper.js

2026-08-10 21:22:42 +02:00
parent 21117736da
commit ac03abc07d
1 changed files with 6 additions and 1 deletions
@@ -81,7 +81,7 @@ export const changeMidiInputPort = (portId) => {
  });
 };

-export const changeKeyboardInputPort = (portId) => {
+export const changeKeyboardInputPort = (portId, channel = 1) => {
  if (!navigator.requestMIDIAccess) return;

  navigator.requestMIDIAccess({ sysex: true }).then((midiAccess) => {
@@ -97,6 +97,11 @@ export const changeKeyboardInputPort = (portId) => {
    if (selectedKeyboardInput) {
      selectedKeyboardInput.onmidimessage = (event) => {
        const data = Array.from(event.data);
+        const command = data[0] & 0xF0;
+
+        if (command >= 0x80 && command <= 0xE0) {
+          data[0] = command | ((channel - 1) & 0x0F);
+        }

        if (selectedMidiOutput) {
          selectedMidiOutput.send(data);