120 lines
3.7 KiB
Rust
120 lines
3.7 KiB
Rust
// Copyright (c) 2021 Weird Constructor <weirdconstructor@gmail.com>
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// This is a part of HexoDSP. Released under (A)GPLv3 or any later.
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// See README.md and COPYING for details.
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use crate::nodes::{NodeAudioContext, NodeExecContext};
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use crate::dsp::{NodeId, SAtom, ProcBuf, DspNode, LedPhaseVals};
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//use crate::dsp::helpers::};
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#[macro_export]
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macro_rules! fa_noise_mode { ($formatter: expr, $v: expr, $denorm_v: expr) => { {
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let s =
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match ($v.round() as usize) {
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0 => "Bipolar",
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1 => "Unipolar",
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_ => "?",
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};
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write!($formatter, "{}", s)
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} } }
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/// A simple amplifier
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#[derive(Debug, Clone)]
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pub struct Noise {
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}
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impl Noise {
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pub fn new(_nid: &NodeId) -> Self {
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Self {
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}
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}
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pub const atv : &'static str =
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"Noise atv\n...\nRange: (-1..1)";
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pub const offs : &'static str =
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"Noise offs\n...\nRange: (-1..1)";
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pub const mode : &'static str =
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"Noise mode\n...";
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pub const sig : &'static str =
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"Noise sig\nThe output of the dry/wet mix.\nRange: (-1..1)";
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pub const DESC : &'static str =
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r#"A Simple Noise Oscillator
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This is a very simple noise oscillator, which can be used for any kind of audio rate noise.
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And as a source for sample & hold like nodes to generate low frequency modulation.
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"#;
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pub const HELP : &'static str =
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r#"Noise - A Simple Noise Oscillator
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This is a very simple noise oscillator, which can be used for
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any kind of audio rate noise. And as a source for sample & hold
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like nodes to generate low frequency modulation.
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The 'atv' attenuverter and 'offs' parameters control the value range
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of the noise, and the 'mode' allows to switch the oscillator between
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unipolar and bipolar output.
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"#;
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}
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impl DspNode for Noise {
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fn outputs() -> usize { 1 }
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fn set_sample_rate(&mut self, srate: f32) {
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}
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fn reset(&mut self) {
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}
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#[inline]
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fn process<T: NodeAudioContext>(
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&mut self, ctx: &mut T, _ectx: &mut NodeExecContext,
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atoms: &[SAtom], _params: &[ProcBuf], inputs: &[ProcBuf],
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outputs: &mut [ProcBuf], ctx_vals: LedPhaseVals)
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{
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use crate::dsp::{at, out, inp, denorm};
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// let buffer = &mut *self.buffer;
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//
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// let mode = at::Delay::mode(atoms);
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// let inp = inp::Delay::inp(inputs);
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// let trig = inp::Delay::trig(inputs);
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// let time = inp::Delay::time(inputs);
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// let fb = inp::Delay::fb(inputs);
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// let mix = inp::Delay::mix(inputs);
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// let out = out::Delay::sig(outputs);
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// if mode.i() == 0 {
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// for frame in 0..ctx.nframes() {
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// let dry = inp.read(frame);
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//
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// let out_sample =
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// buffer.cubic_interpolate_at(
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// denorm::Delay::time(time, frame));
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//
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// buffer.feed(dry + out_sample * denorm::Delay::fb(fb, frame));
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//
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// out.write(frame,
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// crossfade(dry, out_sample,
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// denorm::Delay::mix(mix, frame).clamp(0.0, 1.0)));
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// }
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// } else {
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// for frame in 0..ctx.nframes() {
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// let dry = inp.read(frame);
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//
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// let clock_samples =
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// self.clock.next(denorm::Delay::trig(trig, frame));
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// let out_sample = buffer.at(clock_samples as usize);
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//
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// buffer.feed(dry + out_sample * denorm::Delay::fb(fb, frame));
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//
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// out.write(frame,
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// crossfade(dry, out_sample,
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// denorm::Delay::mix(mix, frame).clamp(0.0, 1.0)));
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// }
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// }
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// let last_frame = ctx.nframes() - 1;
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// ctx_vals[0].set(out.read(last_frame));
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}
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}
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