HexoDSP/src/dsp/node_mix3.rs
Weird Constructor c5c26bdc3e Applied rustfmt
2022-07-17 11:58:28 +02:00

78 lines
2.7 KiB
Rust

// Copyright (c) 2021 Weird Constructor <weirdconstructor@gmail.com>
// This file is a part of HexoDSP. Released under GPL-3.0-or-later.
// See README.md and COPYING for details.
use crate::dsp::{DspNode, LedPhaseVals, NodeContext, NodeId, ProcBuf, SAtom};
use crate::nodes::{NodeAudioContext, NodeExecContext};
/// A 3 channel signal mixer
#[derive(Debug, Clone)]
pub struct Mix3 {}
impl Mix3 {
pub fn new(_nid: &NodeId) -> Self {
Self {}
}
pub const ch1: &'static str = "Mix3 ch1\nChannel 1 Signal input\nRange: (-1..1)\n";
pub const ch2: &'static str = "Mix3 ch2\nChannel 2 Signal input\nRange: (-1..1)\n";
pub const ch3: &'static str = "Mix3 ch3\nChannel 3 Signal input\nRange: (-1..1)\n";
pub const gain1: &'static str = "Mix3 gain1\nChannel 1 gain\nRange: (0..1)";
pub const gain2: &'static str = "Mix3 gain2\nChannel 2 gain\nRange: (0..1)";
pub const gain3: &'static str = "Mix3 gain3\nChannel 3 gain\nRange: (0..1)";
pub const ogain: &'static str = "Mix3 ogain\nOutput gain of the sum\nRange: (0..1)";
pub const sig: &'static str = "Mix3 sig\nMixed signal output\nRange: (-1..1)\n";
pub const DESC: &'static str = r#"3 Ch. Signal Mixer
A very simple 3 channel signal mixer.
You can mix anything, from audio signals to control signals.
"#;
pub const HELP: &'static str = r#"Mix3 - 3 Channel Signal Mixer
Just a small 3 channel mixer to create a sum of multiple signals.
You can mix anything, from audio signals to control signals.
There is even a convenient output gain knob,
to turn down the output.
"#;
}
impl DspNode for Mix3 {
fn outputs() -> usize {
1
}
fn set_sample_rate(&mut self, _srate: f32) {}
fn reset(&mut self) {}
#[inline]
fn process<T: NodeAudioContext>(
&mut self,
ctx: &mut T,
_ectx: &mut NodeExecContext,
_nctx: &NodeContext,
_atoms: &[SAtom],
inputs: &[ProcBuf],
outputs: &mut [ProcBuf],
ctx_vals: LedPhaseVals,
) {
use crate::dsp::{denorm, inp, out};
let inp1 = inp::Mix3::ch1(inputs);
let inp2 = inp::Mix3::ch2(inputs);
let inp3 = inp::Mix3::ch3(inputs);
let g1 = inp::Mix3::gain1(inputs);
let g2 = inp::Mix3::gain2(inputs);
let g3 = inp::Mix3::gain3(inputs);
let og = inp::Mix3::ogain(inputs);
let out = out::Mix3::sig(outputs);
for frame in 0..ctx.nframes() {
let sum = inp1.read(frame) * denorm::Mix3::gain1(g1, frame)
+ inp2.read(frame) * denorm::Mix3::gain2(g2, frame)
+ inp3.read(frame) * denorm::Mix3::gain3(g3, frame);
out.write(frame, sum * denorm::Mix3::ogain(og, frame));
}
ctx_vals[0].set(out.read(ctx.nframes() - 1));
}
}