HexoDSP/src/dsp/node_out.rs

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// Copyright (c) 2021 Weird Constructor <weirdconstructor@gmail.com>
// This is a part of HexoDSP. Released under (A)GPLv3 or any later.
// See README.md and COPYING for details.
use crate::nodes::{NodeAudioContext, NodeExecContext};
use crate::dsp::{
NodeId, SAtom, ProcBuf, inp, at, denorm, DspNode, LedPhaseVals, NodeContext};
#[macro_export]
macro_rules! fa_out_mono { ($formatter: expr, $v: expr, $denorm_v: expr) => { {
let s =
match ($v.round() as usize) {
0 => "Stereo",
1 => "Mono",
_ => "?",
};
write!($formatter, "{}", s)
} } }
/// The (stereo) output port of the plugin
#[derive(Debug, Clone)]
pub struct Out {
/// - 0: signal channel 1
/// - 1: signal channel 2
input: [f32; 2],
}
impl Out {
pub fn new(_nid: &NodeId) -> Self {
Self {
input: [0.0; 2],
}
}
pub const mono : &'static str =
"Out mono\nIf set to 'Mono', ch1 will be sent to both output channels.\n(UI only)";
pub const gain : &'static str =
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"Out gain\nThe main gain of the synthesizer output, applied to all channels. \
Please note that this is a linear control, to prevent inaccuracies for 1.0. \
\nRange: (0..1)";
pub const ch1 : &'static str =
"Out ch1\nAudio channel 1 (left)\nRange: (-1..1)";
pub const ch2 : &'static str =
"Out ch2\nAudio channel 2 (right)\nRange: (-1..1)";
pub const ch3 : &'static str = "Out ch2\nAudio channel 2 (right)\nRange: (-1..1)";
pub const ch4 : &'static str = "Out ch2\nAudio channel 2 (right)\nRange: (-1..1)";
pub const ch5 : &'static str = "Out ch2\nAudio channel 2 (right)\nRange: (-1..1)";
pub const ch6 : &'static str = "Out ch2\nAudio channel 2 (right)\nRange: (-1..1)";
pub const ch7 : &'static str = "Out ch2\nAudio channel 2 (right)\nRange: (-1..1)";
pub const ch8 : &'static str = "Out ch2\nAudio channel 2 (right)\nRange: (-1..1)";
pub const ch9 : &'static str = "Out ch2\nAudio channel 2 (right)\nRange: (-1..1)";
pub const ch10: &'static str = "Out ch2\nAudio channel 2 (right)\nRange: (-1..1)";
pub const ch11: &'static str = "Out ch2\nAudio channel 2 (right)\nRange: (-1..1)";
pub const ch12: &'static str = "Out ch2\nAudio channel 2 (right)\nRange: (-1..1)";
pub const ch13: &'static str = "Out ch2\nAudio channel 2 (right)\nRange: (-1..1)";
pub const ch14: &'static str = "Out ch2\nAudio channel 2 (right)\nRange: (-1..1)";
pub const ch15: &'static str = "Out ch2\nAudio channel 2 (right)\nRange: (-1..1)";
pub const ch16: &'static str = "Out ch2\nAudio channel 2 (right)\nRange: (-1..1)";
pub const ch17: &'static str = "Out ch2\nAudio channel 2 (right)\nRange: (-1..1)";
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pub const DESC : &'static str =
"Audio Output Port\n\n\
This output port node allows you to send audio signals \
to audio devices or tracks in your DAW.";
pub const HELP : &'static str =
r#"Audio Output Port
This output port node allows you to send audio signals to audio devices
or tracks in your DAW. If you need a stereo output but only have a mono
signal you can use the 'mono' setting to duplicate the signal on the 'ch1'
input to the second channel 'ch2'.
"#;
}
impl DspNode for Out {
fn outputs() -> usize { 0 }
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)
{
let in1 = inp::Out::ch1(inputs);
let gain = inp::Out::gain(inputs);
if at::Out::mono(atoms).i() > 0 {
for frame in 0..ctx.nframes() {
let gain = denorm::Out::gain(gain, frame);
ctx.output(0, frame, gain * in1.read(frame));
ctx.output(1, frame, gain * in1.read(frame));
}
} else {
let in2 = inp::Out::ch2(inputs);
for frame in 0..ctx.nframes() {
let gain = denorm::Out::gain(gain, frame);
ctx.output(0, frame, gain * in1.read(frame));
ctx.output(1, frame, gain * in2.read(frame));
}
}
let last_val = in1.read(ctx.nframes() - 1);
ctx_vals[0].set(last_val);
}
}