95 lines
3.1 KiB
Rust
95 lines
3.1 KiB
Rust
// Copyright (c) 2022 Weird Constructor <weirdconstructor@gmail.com>
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// This file is a part of HexoDSP. Released under GPL-3.0-or-later.
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// See README.md and COPYING for details.
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use crate::dsp::{
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denorm, inp, out_idx, DspNode, LedPhaseVals, NodeContext, NodeId, ProcBuf, SAtom,
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};
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use crate::nodes::{NodeAudioContext, NodeExecContext};
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use synfx_dsp::SlewValue;
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#[derive(Debug, Clone)]
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pub struct ExtA {
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slew1: SlewValue<f32>,
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slew2: SlewValue<f32>,
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slew3: SlewValue<f32>,
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}
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impl ExtA {
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pub fn new(_nid: &NodeId) -> Self {
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Self { slew1: SlewValue::new(), slew2: SlewValue::new(), slew3: SlewValue::new() }
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}
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}
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impl DspNode for ExtA {
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fn outputs() -> usize {
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0
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}
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fn set_sample_rate(&mut self, _srate: f32) {}
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fn reset(&mut self) {}
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#[inline]
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fn process<T: NodeAudioContext>(
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&mut self,
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ctx: &mut T,
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ectx: &mut NodeExecContext,
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_nctx: &NodeContext,
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_atoms: &[SAtom],
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inputs: &[ProcBuf],
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outputs: &mut [ProcBuf],
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ctx_vals: LedPhaseVals,
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) {
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let slew = inp::ExtA::slew(inputs);
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let atv1 = inp::ExtA::atv1(inputs);
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let atv2 = inp::ExtA::atv2(inputs);
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let atv3 = inp::ExtA::atv3(inputs);
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let sig2_i = out_idx::ExtA::sig2();
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let (sig1, r) = outputs.split_at_mut(sig2_i);
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let (sig2, sig3) = r.split_at_mut(1);
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let sig1 = &mut sig1[0];
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let sig2 = &mut sig2[0];
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let sig3 = &mut sig3[0];
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if let Some(params) = &ectx.ext_param {
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for frame in 0..ctx.nframes() {
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let slew_ms = denorm::ExtA::slew(slew, frame);
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sig1.write(
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frame,
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denorm::ExtA::atv1(atv1, frame) * self.slew1.next(params.a1(), slew_ms),
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);
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sig2.write(
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frame,
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denorm::ExtA::atv2(atv2, frame) * self.slew2.next(params.a2(), slew_ms),
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);
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sig3.write(
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frame,
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denorm::ExtA::atv3(atv3, frame) * self.slew3.next(params.a3(), slew_ms),
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);
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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(sig1.read(last_frame));
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}
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}
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impl ExtA {
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pub const slew: &'static str = "ExtA slew\nSlew limiter for the 3 parameters\nRange: (0..1)";
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pub const atv1: &'static str = "ExtA atv1\nAttenuverter for the A1 parameter\nRange: (-1..1)";
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pub const atv2: &'static str = "ExtA atv2\nAttenuverter for the A2 parameter\nRange: (-1..1)";
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pub const atv3: &'static str = "ExtA atv3\nAttenuverter for the A3 parameter\nRange: (-1..1)";
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pub const sig1: &'static str = "ExtA sig1\nA1 output channel\nRange: (-1..1)";
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pub const sig2: &'static str = "ExtA sig2\nA2 output channel\nRange: (-1..1)";
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pub const sig3: &'static str = "ExtA sig3\nA3 output channel\nRange: (-1..1)";
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pub const DESC: &'static str = "External Parameter Set A Input\n\n\
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\
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\
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\
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";
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pub const HELP: &'static str = r#"External Parameter Set A Input
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"#;
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}
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