[tritu] create and implement crate

main
annieversary 2021-07-25 11:27:21 +02:00
parent 83ba18c991
commit 0f56d9a9c8
3 changed files with 100 additions and 0 deletions

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@ -56,6 +56,7 @@ the following is the current list of plugins
- hysteria: hysteresis nonlinear effect
- threebandeq: 3 band eq
- threebandwidth: 3 band stereo widener
- tritu: say-goodbye-to-your-audio distortion
### basic_gain
@ -159,6 +160,19 @@ parameters:
bands work as they do in `threebandeq`. the width parameters control how wide an audio signal should be in the stereo field. `width` of 1 leaves the audio as is, `width` of 0 makes it mono, values between 0 and 1 decrease the stereo width, values over 1 increase it.
### tritu
hard limiter followed by a soft limiter with distortion
parameters:
- `pregain`: pregain for the hard limiter
- `drive`: drive for the soft limiter
- `distortion`: amount of distortion on the soft limiter
distortion affects lower volumes more than higher volumes, so if you crank up `drive` a lot, there will be less distortion (this is a good thing for high values of `distortion`!). if you leave `drive` low and set `distortion` to max, your audio will turn to almost white noise
i like this plugin a lot
## contributing
issues and prs are welcome, but please open an issue before making any big pr, i don't wanna have to reject a pr where you have put a lot of effort on

11
crates/tritu/Cargo.toml Normal file
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[package]
name = "tritu"
version = "0.1.0"
edition = "2018"
[lib]
crate-type = ["cdylib"]
[dependencies]
baseplug = { git = "https://github.com/wrl/baseplug.git", rev = "9cec68f31cca9c0c7a1448379f75d92bbbc782a8" }
serde = "1.0.126"

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