plays crackly samples

This commit is contained in:
🪞👃🪞 2024-06-29 22:52:07 +03:00
parent de2e2a2124
commit 1672cbfc68
5 changed files with 90 additions and 26 deletions

39
Cargo.lock generated
View file

@ -127,6 +127,12 @@ version = "2.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cf4b9d6a944f767f8e5e0db018570623c85f3d925ac718db4e06d0187adb21c1"
[[package]]
name = "bytemuck"
version = "1.16.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b236fc92302c97ed75b38da1f4917b5cdda4984745740f153a5d3059e48d725e"
[[package]]
name = "cassowary"
version = "0.3.0"
@ -889,6 +895,27 @@ dependencies = [
"ratatui",
"toml",
"vst",
"wavers",
]
[[package]]
name = "thiserror"
version = "1.0.61"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c546c80d6be4bc6a00c0f01730c08df82eaa7a7a61f11d656526506112cc1709"
dependencies = [
"thiserror-impl",
]
[[package]]
name = "thiserror-impl"
version = "1.0.61"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "46c3384250002a6d5af4d114f2845d37b57521033f30d5c3f46c4d70e1197533"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.60",
]
[[package]]
@ -996,6 +1023,18 @@ version = "0.11.0+wasi-snapshot-preview1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
[[package]]
name = "wavers"
version = "1.4.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ab501e9e5b13446d3a6e846de0c190c96b85ca3eced3bd00460edc67654500c8"
dependencies = [
"bytemuck",
"num-traits",
"paste",
"thiserror",
]
[[package]]
name = "winapi"
version = "0.3.9"

View file

@ -17,3 +17,4 @@ vst = "0.4.0"
#vst3 = "0.1.0"
livi = "0.7.4"
#atomic_enum = "0.3.0"
wavers = "1.4.3"

View file

@ -22,8 +22,8 @@ pub struct Sample {
pub channels: Vec<Vec<f32>>,
}
impl Sample {
fn new (name: &str) -> Arc<Self> {
Arc::new(Self { name: name.to_string(), start: 0, end: 0, channels: vec![] })
pub fn new (name: &str, start: usize, end: usize, channels: Vec<Vec<f32>>) -> Arc<Self> {
Arc::new(Self { name: name.to_string(), start, end, channels })
}
fn play (self: &Arc<Self>) -> Voice {
Voice { sample: self.clone(), position: self.start }
@ -64,7 +64,27 @@ impl Sampler {
}
pub fn process (&mut self, _: &Client, scope: &ProcessScope) -> Control {
// Output buffer. This will be copied to the audio outs.
let channel_count = self.audio_outs.len();
let mut mixed = vec![vec![0.0;scope.n_frames() as usize];channel_count];
// emit currently playing voices
for voice in self.voices.iter_mut() {
let chunk = voice.chunk(scope.n_frames() as usize);
for (i, channel) in chunk.iter().enumerate() {
let buffer = &mut mixed[i % channel_count];
for (i, sample) in channel.iter().enumerate() {
buffer[i] += sample;
}
}
}
for (i, port) in self.audio_outs.iter_mut().enumerate() {
let buffer = &mixed[i];
for (i, value) in port.as_mut_slice(scope).iter_mut().enumerate() {
*value = *buffer.get(i).unwrap_or(&0.0);
}
}
Control::Continue
// process midi in
// add new voices
// emit new voices starting from midi event frames
@ -96,7 +116,6 @@ impl Sampler {
//}
//}
//}
Control::Continue
}
fn load_sample (&mut self, _path: &str) {}
@ -127,7 +146,7 @@ pub fn render (state: &Sampler, buf: &mut Buffer, Rect { x, y, height, .. }: Rec
{
let width = 40;
let style = Style::default().gray();
format!(" {} ", state.name).blit(buf, x+1, y, Some(style.white().bold().not_dim()));
format!(" {} ({})", state.name, state.voices.len()).blit(buf, x+1, y, Some(style.white().bold().not_dim()));
for (i, (note, sample)) in state.samples.iter().enumerate() {
let style = if i == state.cursor.0 {
Style::default().green()
@ -215,8 +234,10 @@ fn cursor_down (state: &mut Sampler) -> Usually<bool> {
Ok(true)
}
fn select (state: &mut Sampler) -> Usually<bool> {
if let Some(sample) = state.samples.get(&u7::from_int_lossy(state.cursor.0 as u8)) {
for (i, sample) in state.samples.values().enumerate() {
if i == state.cursor.0 {
state.voices.push(sample.play())
}
}
Ok(true)
}

View file

@ -53,14 +53,14 @@ impl Launcher {
let ppq = timebase.ppq() as u32;
DynamicDevice::new(render, handle, process, Self {
name: name.into(),
view: LauncherView::Tracks,
view: LauncherView::Chains,
playing: transport.query_state()?,
transport,
timebase: timebase.clone(),
monitoring: true,
recording: false,
overdub: true,
cursor: (0, 0),
cursor: (1, 1),
position: 0,
scenes: scenes.unwrap_or_else(||vec![Scene::new(&"Scene 1", &[None])]),
tracks: if let Some(tracks) = tracks { tracks } else { vec![

View file

@ -15,6 +15,25 @@ pub mod time;
use crate::prelude::*;
macro_rules! sample {
($note:expr, $name:expr, $src:expr) => {
{
let mut channels: Vec<wavers::Samples<f32>> = vec![];
for channel in wavers::Wav::from_path($src)?.channels() {
channels.push(channel);
}
let mut end = 0;
let mut data: Vec<Vec<f32>> = vec![];
for samples in channels.iter() {
let channel = Vec::from(samples.as_ref());
end = end.max(channel.len());
data.push(channel);
}
(u7::from_int_lossy($note).into(), Sample::new($name, 0, end, data).into())
}
};
}
fn main () -> Result<(), Box<dyn Error>> {
let _cli = cli::Cli::parse();
let xdg = microxdg::XdgApp::new("tek")?;
@ -35,24 +54,8 @@ fn main () -> Result<(), Box<dyn Error>> {
Track::new("Kick", &timebase, Some(vec![
//Plugin::lv2("Kick/ChowKick", "file:///home/user/.lv2/ChowKick.lv2", &[1, 1, 0, 2])?.boxed(),
Sampler::new("Sampler", Some(BTreeMap::from([
(u7::from_int_lossy(35), Sample {
name: "Kick 1".into(), start: 0, end: 100000, channels: vec![],
}.into()),
(u7::from_int_lossy(36).into(), Sample {
name: "Kick 2".into(), start: 0, end: 100000, channels: vec![],
}.into()),
(u7::from_int_lossy(38).into(), Sample {
name: "Snare 1".into(), start: 0, end: 100000, channels: vec![],
}.into()),
(u7::from_int_lossy(40).into(), Sample {
name: "Snare 2".into(), start: 50000, end: 100000, channels: vec![],
}.into()),
(u7::from_int_lossy(42).into(), Sample {
name: "HH Closed".into(), start: 0, end: 50000, channels: vec![],
}.into()),
(u7::from_int_lossy(46).into(), Sample {
name: "HH Open".into(), start: 0, end: 25000, channels: vec![]
}.into()),
sample!(36, "Kick", "/home/user/Lab/Music/pak/kik.wav"),
sample!(40, "Snare", "/home/user/Lab/Music/pak/sna.wav"),
])))?.boxed(),
]), Some(vec![
Phrase::new("HelloKick", ppq * 4, Some(BTreeMap::from([