76 lines
2 KiB
Rust
76 lines
2 KiB
Rust
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#![allow(incomplete_features)]
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#![feature(generic_associated_types)]
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use baseplug::{Plugin, ProcessContext};
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use serde::{Deserialize, Serialize};
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baseplug::model! {
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#[derive(Debug, Serialize, Deserialize)]
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struct TrituModel {
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#[model(min = 1.0, max = 100.0)]
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#[parameter(name = "pregain")]
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pregain: f32,
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#[model(min = 0.0, max = 20.0)]
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#[parameter(name = "drive")]
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drive: f32,
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#[model(min = 0.0, max = 3.0)]
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#[parameter(name = "distortion")]
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distortion: f32,
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}
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}
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impl Default for TrituModel {
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fn default() -> Self {
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Self {
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pregain: 1.0,
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drive: 1.0,
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distortion: 0.0,
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}
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}
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}
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struct Tritu;
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impl Plugin for Tritu {
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const NAME: &'static str = "tritu";
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const PRODUCT: &'static str = "tritu";
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const VENDOR: &'static str = "unnieversal";
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const INPUT_CHANNELS: usize = 2;
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const OUTPUT_CHANNELS: usize = 2;
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type Model = TrituModel;
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#[inline]
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fn new(_sample_rate: f32, _model: &TrituModel) -> Self {
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Self
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}
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#[inline]
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fn process(&mut self, model: &TrituModelProcess, ctx: &mut ProcessContext<Self>) {
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let input = &ctx.inputs[0].buffers;
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let output = &mut ctx.outputs[0].buffers;
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for i in 0..ctx.nframes {
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let pregain = model.pregain[i];
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let drive = model.drive[i];
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let distortion = model.distortion[i];
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output[0][i] = trituradora(input[0][i], pregain, drive, distortion);
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output[1][i] = trituradora(input[1][i], pregain, drive, distortion);
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}
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}
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}
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fn trituradora(input: f32, pregain: f32, drive: f32, distortion: f32) -> f32 {
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// multiply by pregain and hard clip
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let hard = (input * pregain).clamp(-1.0, 1.0);
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// multiply by drive
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let val = hard * drive;
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// weird thingy i made up: https://www.desmos.com/calculator/bzprjqhudd
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val.tanh() * (distortion / val).cos()
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}
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baseplug::vst2!(Tritu, b"tri2");
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