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control sample start/end with cc20/21

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🪞👃🪞 2024-12-28 20:00:58 +01:00
parent 1859f378ea
commit b992843e1c
5 changed files with 93 additions and 15 deletions
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24
crates/tek/src/groovebox.rs
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@ -52,6 +52,30 @@ audio!(|self: GrooveboxTui, client, scope|{
if Control::Quit == SamplerAudio(&mut self.sampler).process(client, scope) {
return Control::Quit
}
for RawMidi { time, bytes } in self.sampler.midi_in.iter(scope) {
if let LiveEvent::Midi { message, .. } = LiveEvent::parse(bytes).unwrap() {
match message {
MidiMessage::Controller { controller, value } => {
if controller == u7::from(20) {
if let Some(sample) = &self.sampler.mapped[self.editor.note_point()] {
let mut sample = sample.write().unwrap();
let percentage = value.as_int() as f64 / 127.;
sample.start = (percentage * sample.end as f64) as usize;
}
} else if controller == u7::from(21) {
if let Some(sample) = &self.sampler.mapped[self.editor.note_point()] {
let mut sample = sample.write().unwrap();
let percentage = value.as_int() as f64 / 127.;
let length = sample.channels[0].len();
sample.end = sample.start + (percentage * (length as f64 - sample.start as f64)) as usize;
sample.end = sample.end.min(length);
}
}
}
_ => {}
}
}
}
self.perf.update(t0, scope);
Control::Continue
});