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refactor: contains_note_on

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🪞👃🪞 2024-07-02 19:59:43 +03:00
parent edadfde1a4
commit f5da2e6dad
4 changed files with 42 additions and 46 deletions
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54
src/device/sequencer/mod.rs
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@ -86,20 +86,13 @@ impl Sequencer {
}
pub fn process (&mut self, _: &Client, scope: &ProcessScope) -> Control {
// Get currently playing phrase
if self.sequence.is_none() {
return Control::Continue
}
if self.sequence.is_none() { return Control::Continue }
let phrase = self.phrases.get_mut(self.sequence.unwrap());
if phrase.is_none() {
return Control::Continue
}
if phrase.is_none() { return Control::Continue }
let phrase = phrase.unwrap();
// Prepare output buffer and transport
let frame = scope.last_frame_time() as usize;//transport.pos.frame() as usize;
let frame = scope.last_frame_time() as usize;
let frames = scope.n_frames() as usize;
let mut output: Vec<Option<Vec<Vec<u8>>>> = vec![None;frames];
// Check transport self. If starting or stopping, send "all notes off":
let transport = self.transport.query().unwrap();
if transport.state != self.playing {
all_notes_off(&mut output);
@ -124,22 +117,11 @@ impl Sequencer {
&self.timebase,
frame,
);
// Write to port from output buffer
// (containing notes from sequence and/or monitor)
let mut writer = self.midi_out.writer(scope);
for time in 0..scope.n_frames() {
if let Some(Some(frame)) = output.get_mut(time as usize) {
for event in frame.iter() {
writer.write(&::jack::RawMidi { time, bytes: &event })
.expect(&format!("{event:?}"));
}
}
}
write_output(&mut self.midi_out.writer(scope), &mut output, frames);
Control::Continue
}
}
impl PortList for Sequencer {
fn midi_ins (&self) -> Usually<Vec<String>> { Ok(vec![self.midi_in.name()?]) }
fn midi_outs (&self) -> Usually<Vec<String>> { Ok(vec![self.midi_out.name()?]) }
@ -204,21 +186,6 @@ pub fn draw_clips (s: &Sequencer, buf: &mut Buffer, area: Rect) -> Usually<Rect>
}
Ok(Rect { x, y, width: 14, height: 14 })
}
pub fn contains_note_on (sequence: &Phrase, k: u7, start: usize, end: usize) -> bool {
for (_, (_, events)) in sequence.notes.range(start..end).enumerate() {
for event in events.iter() {
match event {
MidiMessage::NoteOn {key,..} => {
if *key == k {
return true
}
}
_ => {}
}
}
}
return false
}
/// Add "all notes off" to the start of a buffer.
pub fn all_notes_off (output: &mut MIDIChunk) {
output[0] = Some(vec![]);
@ -230,3 +197,14 @@ pub fn all_notes_off (output: &mut MIDIChunk) {
frame.push(buf);
}
}
/// Write to JACK port from output buffer (containing notes from sequence and/or monitor)
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:?}"));
}
}
}
}