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authorJacob Lee <jacob@unabridgedsoftware.com>2021-10-27 22:46:58 -0400
committerJacob Lee <jacob@unabridgedsoftware.com>2021-10-27 22:46:58 -0400
commitffacb1c96b02507f1bdd612bd71b6bcc7d114505 (patch)
treeb79a7b9f4a9afe4f1a9cf4d3e2f0d853bf14f5d9 /klangfarbrs/src
parent7bd9dd418ac6215094feb87087fcb59499c3aa69 (diff)
Clean up
Diffstat (limited to 'klangfarbrs/src')
-rw-r--r--klangfarbrs/src/ignore147
-rw-r--r--klangfarbrs/src/lib.rs32
2 files changed, 14 insertions, 165 deletions
diff --git a/klangfarbrs/src/ignore b/klangfarbrs/src/ignore
deleted file mode 100644
index 6c52a4b..0000000
--- a/klangfarbrs/src/ignore
+++ /dev/null
@@ -1,147 +0,0 @@
-
-pub mod test {
- use cpal;
- use cpal::traits::{DeviceTrait, HostTrait, StreamTrait};
- use dasp::{Sample};
- use dasp_signal::{self as signal, Signal};
- use std::sync::mpsc;
-
- pub fn test() -> Result<(), anyhow::Error> {
- let host = cpal::default_host();
- let device = host
- .default_output_device()
- .expect("failed to find a default output device");
- let config = device.default_output_config()?;
-
- match config.sample_format() {
- cpal::SampleFormat::F32 => run::<f32>(&device, &config.into())?,
- cpal::SampleFormat::I16 => run::<i16>(&device, &config.into())?,
- cpal::SampleFormat::U16 => run::<u16>(&device, &config.into())?,
- }
-
- Ok(())
- }
-
- fn run<T>(device: &cpal::Device, config: &cpal::StreamConfig) -> Result<(), anyhow::Error>
- where
- T: cpal::Sample,
- {
- // Create a signal chain to play back 1 second of each oscillator at A4.
- let base_freq = 440.0;
- let multipliers = [0.8, 1.0, 1.2, 1.7, 2.9, 4.5, 8.8, 1.9, 3.6];
- let freqs = multipliers.map(|m| signal::rate(config.sample_rate.0 as f64).const_hz(base_freq * m));
- let _sines = freqs.map(|f| f.clone().sine());
-
- // Shitty naive implementation until Rust clicks.
- let hz_0 = signal::rate(config.sample_rate.0 as f64).const_hz(base_freq * 0.8);
- let hz_1 = signal::rate(config.sample_rate.0 as f64).const_hz(base_freq * 1.0);
- let hz_2 = signal::rate(config.sample_rate.0 as f64).const_hz(base_freq * 1.2);
- let hz_3 = signal::rate(config.sample_rate.0 as f64).const_hz(base_freq * 1.7);
- let hz_4 = signal::rate(config.sample_rate.0 as f64).const_hz(base_freq * 2.9);
- let hz_5 = signal::rate(config.sample_rate.0 as f64).const_hz(base_freq * 4.5);
- let hz_6 = signal::rate(config.sample_rate.0 as f64).const_hz(base_freq * 8.8);
- let hz_7 = signal::rate(config.sample_rate.0 as f64).const_hz(base_freq * 1.9);
- let hz_8 = signal::rate(config.sample_rate.0 as f64).const_hz(base_freq * 3.6);
-
- let sine_0 = hz_0.clone().sine().scale_amp(0.03);
- let sine_1 = hz_1.clone().sine();
- let sine_2 = hz_2.clone().sine().scale_amp(0.8);
- let sine_3 = hz_3.clone().sine().scale_amp(0.004);
- let sine_4 = hz_4.clone().sine().scale_amp(0.03);
- let sine_5 = hz_5.clone().sine().scale_amp(0.02);
- let sine_6 = hz_6.clone().sine().scale_amp(0.001);
- let sine_7 = hz_7.clone().sine().scale_amp(0.006);
- let sine_8 = hz_8.clone().sine().scale_amp(0.05);
-
-
- // let hz = signal::rate(config.sample_rate.0 as f64).const_hz(440.0);
- let one_sec = config.sample_rate.0 as usize;
-
- // let mut sin_a = hz
- // .clone()
- // .sine();
-
- // let mut sin_b = hz_b
- // .clone()
- // .sine();
-
- let mut synth = sine_0
- .add_amp(sine_1)
- .add_amp(sine_2)
- .add_amp(sine_3)
- .add_amp(sine_4)
- .add_amp(sine_5)
- .add_amp(sine_6)
- .add_amp(sine_7)
- .add_amp(sine_8)
- .take(one_sec)
- .map(|s| s.to_sample::<f32>() * 0.2);
-
- // let mut synth = sines[0]
- // .add_amp(sines[1])
- // .add_amp(sines[2])
- // .add_amp(sines[3])
- // .add_amp(sines[4])
- // .add_amp(sines[5])
- // .add_amp(sines[6])
- // .add_amp(sines[7])
- // .add_amp(sines[8])
- // .take(one_sec)
- // .map(|s| s.to_sample::<f32>() * 0.2);
- // let mut synth = sin_a.add_amp(sin_b).take(one_sec).map(|s| s.to_sample::<f32>() * 0.2);
- // let mut synth = hz
- // .clone()
- // .sine()
- // .take(one_sec)
- // .chain(hz.clone().saw().take(one_sec))
- // .chain(hz.clone().square().take(one_sec))
- // .chain(hz.clone().noise_simplex().take(one_sec))
- // .chain(signal::noise(0).take(one_sec))
- // .map(|s| s.to_sample::<f32>() * 0.2);
-
- // A channel for indicating when playback has completed.
- let (complete_tx, complete_rx) = mpsc::sync_channel(1);
-
- // Create and run the stream.
- let err_fn = |err| eprintln!("an error occurred on stream: {}", err);
- let channels = config.channels as usize;
- let stream = device.build_output_stream(
- config,
- move |data: &mut [T], _: &cpal::OutputCallbackInfo| {
- write_data(data, channels, &complete_tx, &mut synth)
- },
- err_fn,
- )?;
- stream.play()?;
-
- // Wait for playback to complete.
- complete_rx.recv().unwrap();
- stream.pause()?;
-
- Ok(())
- }
-
- fn write_data<T>(
- output: &mut [T],
- channels: usize,
- complete_tx: &mpsc::SyncSender<()>,
- signal: &mut dyn Iterator<Item = f32>,
- ) where
- T: cpal::Sample,
- {
- for frame in output.chunks_mut(channels) {
- let sample = match signal.next() {
- None => {
- complete_tx.try_send(()).ok();
- 0.0
- }
- Some(sample) => sample,
- };
- let value: T = cpal::Sample::from::<f32>(&sample);
- for sample in frame.iter_mut() {
- *sample = value;
- }
- }
- }
-
-}
diff --git a/klangfarbrs/src/lib.rs b/klangfarbrs/src/lib.rs
index 9638690..fd67e21 100644
--- a/klangfarbrs/src/lib.rs
+++ b/klangfarbrs/src/lib.rs
@@ -4,34 +4,30 @@ use gdnative::core_types::TypedArray;
#[derive(NativeClass)]
#[inherit(Node)]
-pub struct MonoBuffer {
- #[property]
- frames: TypedArray<f32>
-}
-
-pub fn fill_frames() -> TypedArray<f32> {
- let frequency = 440.0;
- let sample_rate = 44100.0;
- let duration = sample_rate * 3.0;
- let mut frames = TypedArray::new();
-
- for i in 0..duration as i32 {
- frames.push(f32::sin(std::f32::consts::TAU * frequency * i as f32/sample_rate));
- }
-
- return frames
-}
+pub struct MonoBuffer {}
#[methods]
impl MonoBuffer {
fn new(_owner: &Node) -> Self {
- MonoBuffer { frames: fill_frames() }
+ MonoBuffer {}
}
#[export]
fn _ready(&self, _owner: &Node) {
godot_print!("Whatever, connected.")
}
+
+ #[export]
+ pub fn frames(&self, _owner: &Node, frequency: f32, sample_rate: f32, duration: i32) -> TypedArray<f32> {
+ let mut frames = TypedArray::new();
+ let calculated_duration = sample_rate * duration as f32;
+
+ for i in 0..calculated_duration as i32 {
+ frames.push(f32::sin(std::f32::consts::TAU * frequency * i as f32/sample_rate));
+ }
+
+ return frames
+ }
}
// Function that registers all exposed classes to Godot