bye sequencer

src/core/jack.rs

@@ -147,3 +147,27 @@ impl<T: Fn(AppEvent) + Send> NotificationHandler for Notifications<T> {
         Control::Continue
     }
 }
+
+/// Add "all notes off" to the start of a buffer.
+pub fn all_notes_off (output: &mut MIDIChunk) {
+    output[0] = Some(vec![]);
+    if let Some(Some(frame)) = output.get_mut(0) {
+        let mut buf = vec![];
+        let msg = MidiMessage::Controller { controller: 123.into(), value: 0.into() };
+        let evt = LiveEvent::Midi { channel: 0.into(), message: msg };
+        evt.write(&mut buf).unwrap();
+        frame.push(buf);
+    }
+}
+
+/// Write to JACK port from output buffer (containing notes from sequence and/or monitor)
+pub fn write_output (writer: &mut ::jack::MidiWriter, output: &mut MIDIChunk, frames: usize) {
+    for time in 0..frames {
+        if let Some(Some(frame)) = output.get_mut(time ) {
+            for event in frame.iter() {
+                writer.write(&::jack::RawMidi { time: time as u32, bytes: &event })
+                    .expect(&format!("{event:?}"));
+            }
+        }
+    }
+}