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fixing midi notes

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This commit is contained in:
Raphaël Forment
2023-08-04 19:25:58 +02:00
parent e203221fcd
commit 85281770ba
1 changed files with 12 additions and 2 deletions
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14
src/IO/MidiConnection.ts
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@ -59,7 +59,17 @@ export class MidiConnection{
} }
public sendMidiNote(noteNumber: number, channel: number, velocity: number, durationMs: number): void { public sendMidiNote(noteNumber: number, channel: number, velocity: number, duration: number): void {
/**
* Sending a MIDI Note on/off message with the same note number and channel. Automatically manages
* the note off message after the specified duration.
*
* @param noteNumber MIDI note number (0-127)
* @param channel MIDI channel (0-15)
* @param velocity MIDI velocity (0-127)
* @param duration Duration in milliseconds
*
*/
const output = this.midiOutputs[this.currentOutputIndex]; const output = this.midiOutputs[this.currentOutputIndex];
if (output) { if (output) {
const noteOnMessage = [0x90 + channel, noteNumber, velocity]; const noteOnMessage = [0x90 + channel, noteNumber, velocity];
@ -72,7 +82,7 @@ export class MidiConnection{
const timeoutId = setTimeout(() => { const timeoutId = setTimeout(() => {
output.send(noteOffMessage); output.send(noteOffMessage);
delete this.scheduledNotes[noteNumber]; delete this.scheduledNotes[noteNumber];
}, durationMs - 100); }, (duration - 0.02) * 1000);
this.scheduledNotes[noteNumber] = timeoutId; this.scheduledNotes[noteNumber] = timeoutId;
} else { } else {