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fix reexport mess + document modules

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🪞👃🪞 2024-07-12 20:11:48 +03:00
parent 7d6bdcca99
commit 317547c6b2
14 changed files with 383 additions and 350 deletions
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55
src/model/sampler.rs
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@ -83,6 +83,7 @@ impl Sampler {
Control::Continue
}
/// Create [Voice]s from [Sample]s in response to MIDI input.
fn process_midi_in (&mut self, scope: &ProcessScope) {
for RawMidi { time, bytes } in self.ports.midi_ins.get("midi").unwrap().iter(scope) {
if let LiveEvent::Midi { message, .. } = LiveEvent::parse(bytes).unwrap() {
@ -95,22 +96,26 @@ impl Sampler {
}
}
/// Zero the output buffer.
fn clear_output_buffer (&mut self) {
for buffer in self.buffer.iter_mut() {
buffer.fill(0.0);
}
}
/// Mix all currently playing samples into the output.
fn process_audio_out (&mut self, scope: &ProcessScope) {
let channel_count = self.buffer.len();
self.voices.retain_mut(|voice|{
for index in 0..scope.n_frames() as usize {
if let Some(frame) = voice.next() {
for (channel, sample) in frame.iter().enumerate() {
// Averaging mixer:
//self.buffer[channel % channel_count][index] = (
//(self.buffer[channel % channel_count][index] + sample * self.output_gain) / 2.0
//);
self.buffer[channel % channel_count][index] += sample * self.output_gain;
self.buffer[channel % channel_count][index] +=
sample * self.output_gain;
}
} else {
return false
@ -142,6 +147,7 @@ impl Sampler {
}};
}
/// Read WAV from file
pub fn read_sample_data (src: &str) -> Usually<(usize, Vec<Vec<f32>>)> {
let mut channels: Vec<wavers::Samples<f32>> = vec![];
for channel in wavers::Wav::from_path(src)?.channels() {
@ -157,6 +163,7 @@ pub fn read_sample_data (src: &str) -> Usually<(usize, Vec<Vec<f32>>)> {
Ok((end, data))
}
/// A sound sample.
pub struct Sample {
pub name: String,
pub start: usize,
@ -178,6 +185,7 @@ impl Sample {
}
}
/// A currently playing instance of a sample.
pub struct Voice {
pub sample: Arc<Sample>,
pub after: usize,
@ -203,48 +211,3 @@ impl Iterator for Voice {
None
}
}
//fn render_table (
//self: &mut Sampler,
//stdout: &mut Stdout,
//offset: (u16, u16),
//) -> Result<(), Box<dyn Error>> {
//let move_to = |col, row| crossterm::cursor::MoveTo(offset.0 + col, offset.1 + row);
//stdout.queue(move_to(0, 3))?.queue(
//Print(" Name Rate Trigger Route")
//)?;
//for (i, sample) in self.samples.lock().unwrap().iter().enumerate() {
//let row = 4 + i as u16;
//for (j, (column, field)) in [
//(0, format!(" {:7} ", sample.name)),
//(9, format!(" {:.1}Hz ", sample.rate)),
//(18, format!(" MIDI C{} {} ", sample.trigger.0, sample.trigger.1)),
//(33, format!(" {:.1}dB -> Output ", sample.gain)),
//(50, format!(" {} ", sample.playing.unwrap_or(0))),
//].into_iter().enumerate() {
//stdout.queue(move_to(column, row))?;
//if self.selected_sample == i && self.selected_column == j {
//stdout.queue(PrintStyledContent(field.to_string().bold().reverse()))?;
//} else {
//stdout.queue(PrintStyledContent(field.to_string().bold()))?;
//}
//}
//}
//Ok(())
//}
//fn render_meters (
//self: &mut Sampler,
//stdout: &mut Stdout,
//offset: (u16, u16),
//) -> Result<(), Box<dyn Error>> {
//let move_to = |col, row| crossterm::cursor::MoveTo(offset.0 + col, offset.1 + row);
//for (i, sample) in self.samples.lock().iter().enumerate() {
//let row = 4 + i as u16;
//stdout.queue(move_to(32, row))?.queue(
//PrintStyledContent("▁".green())
//)?;
//}
//Ok(())
//}