diff options
Diffstat (limited to 'klangfarbrs/src')
| -rw-r--r-- | klangfarbrs/src/ignore | 147 | ||||
| -rw-r--r-- | klangfarbrs/src/lib.rs | 184 | ||||
| -rw-r--r-- | klangfarbrs/src/main.rs | 9 |
3 files changed, 170 insertions, 170 deletions
diff --git a/klangfarbrs/src/ignore b/klangfarbrs/src/ignore new file mode 100644 index 0000000..6c52a4b --- /dev/null +++ b/klangfarbrs/src/ignore @@ -0,0 +1,147 @@ + +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 62ed207..1a43aba 100644 --- a/klangfarbrs/src/lib.rs +++ b/klangfarbrs/src/lib.rs @@ -3,185 +3,43 @@ use gdnative::prelude::*; #[derive(NativeClass)] #[inherit(Node)] -pub struct Synth { - frequency: f32 +pub struct MonoBuffer { + frames: [f32; 512] } -#[methods] -impl Synth { - fn new(_owner: &Node) -> Self { - Synth { frequency: 220.0 } - } +pub fn fill_frames() -> [f32; 512] { + let tau = std::f32::consts::FRAC_PI_2; + let frequency = 440.0; + let sample_rate = 8000.0; + let mut frames = [0.0; 512]; - #[export] - fn set_freq( - &mut self, - _owner: &Node, - freq: f32 - ) { - self.frequency = freq; + for i in 0..512 { + frames[i] = f32::sin(tau * frequency * i as f32/sample_rate); } - #[export] - fn _ready(&self, _owner: &Node) { - match test::test() { - Ok(()) => godot_print!("POOOP"), - Err(error) => godot_print!("SHITE! {:?}", error), - }; - } + return frames } -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(()) +#[methods] +impl MonoBuffer { + fn new(_owner: &Node) -> Self { + MonoBuffer { frames: fill_frames() } } - 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 frames(&self) -> [f32; 512] { + return self.frames; } - 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; - } - } + #[export] + fn _ready(&self, _owner: &Node) { + godot_print!("Whatever, connected.") } - } // Function that registers all exposed classes to Godot fn init(handle: InitHandle) { - // Register the `Synth` type we declared. - handle.add_class::<Synth>(); + // Register the `MonoBuffer` type we declared. + handle.add_class::<MonoBuffer>(); } // Macro that creates the entry-points of the dynamic library. diff --git a/klangfarbrs/src/main.rs b/klangfarbrs/src/main.rs index fa1cdfb..acb3403 100644 --- a/klangfarbrs/src/main.rs +++ b/klangfarbrs/src/main.rs @@ -1,8 +1,3 @@ -use klangfarbrs::test::test; - fn main() { - match test() { - Ok(()) => (), - Err(error) => panic!("oopsie: {:?}", error), - }; -} + +} |