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Read and write MIDI events in JACK standalone

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The standalone itself does not yet pass these to the plugin.
This commit is contained in:
Robbert van der Helm 2022-06-14 23:43:13 +02:00
parent 0d2330d773
commit 54f4b8a026
1 changed files with 22 additions and 2 deletions
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24
src/wrapper/standalone/backend/jack.rs
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@ -84,11 +84,31 @@ impl Backend for Jack {
})
}
// TODO: Read MIDI, convert to events
input_events.clear();
if let Some(midi_input) = &midi_input {
input_events.extend(midi_input.iter(ps).filter_map(|midi| {
// This should always be three bytes, but we get an unsized slice
let midi_data: [u8; 3] = midi.bytes.try_into().ok()?;
NoteEvent::from_midi(midi.time, midi_data).ok()
}));
}
output_events.clear();
if cb(&mut buffer, &input_events, &mut output_events) {
// TODO: Convert output events to MIDI, send to the output port
if let Some(midi_output) = &midi_output {
let mut midi_output = midi_output.borrow_mut();
let mut midi_writer = midi_output.writer(ps);
for event in output_events.drain(..) {
let timing = event.timing();
if let Some(midi_data) = event.as_midi() {
let write_result = midi_writer.write(&jack::RawMidi {
time: timing,
bytes: &midi_data,
});
nih_debug_assert!(write_result.is_ok(), "The MIDI buffer is full");
}
}
}
Control::Continue
} else {