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flatten midi playback some more

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🪞👃🪞 2024-12-26 00:05:42 +01:00
parent e2172f287c
commit f57589e83a
1 changed files with 38 additions and 36 deletions
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18
crates/tek/src/midi/midi_play.rs
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@ -21,19 +21,19 @@ pub trait MidiPlaybackApi: HasPlayPhrase + HasClock + HasMidiOuts {
fn play ( fn play (
&mut self, scope: &ProcessScope, note_buf: &mut Vec<u8>, out: &mut [Vec<Vec<u8>>] &mut self, scope: &ProcessScope, note_buf: &mut Vec<u8>, out: &mut [Vec<Vec<u8>>]
) -> bool { ) -> bool {
if !self.clock().is_rolling() {
return false
}
let playing = self.play_phrase();
if let Some((started, phrase)) = playing {
// If a phrase is playing, write a chunk of MIDI events from it to the output buffer
let mut next = false; let mut next = false;
// Write MIDI events from currently playing phrase (if any) to MIDI output buffer
if self.clock().is_rolling() {
let sample0 = scope.last_frame_time() as usize; let sample0 = scope.last_frame_time() as usize;
let samples = scope.n_frames() as usize; let samples = scope.n_frames() as usize;
// If no phrase is playing, prepare for switchover immediately
next = self.play_phrase().is_none();
let phrase = self.play_phrase();
let started0 = &self.clock().started; let started0 = &self.clock().started;
let timebase = self.clock().timebase(); let timebase = self.clock().timebase();
let notes_out = self.notes_out(); let notes_out = self.notes_out();
let next_phrase = self.next_phrase(); let next_phrase = self.next_phrase();
if let Some((started, phrase)) = phrase {
// First sample to populate. Greater than 0 means that the first // First sample to populate. Greater than 0 means that the first
// pulse of the phrase falls somewhere in the middle of the chunk. // pulse of the phrase falls somewhere in the middle of the chunk.
let sample = started.sample.get() as usize; let sample = started.sample.get() as usize;
@ -61,9 +61,11 @@ pub trait MidiPlaybackApi: HasPlayPhrase + HasClock + HasMidiOuts {
Self::play_pulse(phrase, pulse, sample, note_buf, out, notes) Self::play_pulse(phrase, pulse, sample, note_buf, out, notes)
} }
} }
}
}
next next
} else {
// If no phrase is playing, prepare for switchover immediately
true
}
} }
fn play_pulse ( fn play_pulse (