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Add parameters for the Crossover plugin

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This commit is contained in:
Robbert van der Helm 2022-05-29 14:25:48 +02:00
parent 782b46308a
commit c1d72f0e80
1 changed files with 56 additions and 3 deletions
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59
plugins/crossover/src/lib.rs
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@ -17,18 +17,66 @@
use nih_plug::prelude::*;
use std::sync::Arc;
const MIN_CROSSOVER_FREQUENCY: f32 = 40.0;
const MAX_CROSSOVER_FREQUENCY: f32 = 20_000.0;
struct Crossover {
params: Arc<CrossoverParams>,
}
// TODO: Add multiple crossover types. Haven't added the control for that yet because the current
// type (LR24) would become the second one in the list, and EnumParams are keyed by index so
// then we'd have an LR12 doing nothing instead. Aside form those two LR48 and some linear
// phase crossovers would also be nice
#[derive(Params)]
struct CrossoverParams {
// TODO:
/// The number of bands between 2 and 5
#[id = "bandcnt"]
pub num_bands: IntParam,
// We'll only provide frequency controls, as gain, panning, solo, mute etc. is all already
// provided by Bitwig's UI
#[id = "xov1fq"]
pub crossover_1_freq: FloatParam,
#[id = "xov2fq"]
pub crossover_2_freq: FloatParam,
#[id = "xov3fq"]
pub crossover_3_freq: FloatParam,
#[id = "xov4fq"]
pub crossover_4_freq: FloatParam,
}
impl Default for CrossoverParams {
fn default() -> Self {
Self {}
let crossover_range = FloatRange::Skewed {
min: MIN_CROSSOVER_FREQUENCY,
max: MAX_CROSSOVER_FREQUENCY,
factor: FloatRange::skew_factor(-1.0),
};
let crossover_smoothing_style = SmoothingStyle::Logarithmic(100.0);
let crossover_value_to_string = formatters::v2s_f32_hz_then_khz(0);
let crossover_string_to_value = formatters::s2v_f32_hz_then_khz();
Self {
num_bands: IntParam::new("Band Count", 2, IntRange::Linear { min: 2, max: 5 }),
// TODO: More sensible default frequencies
crossover_1_freq: FloatParam::new("Crossover 1", 200.0, crossover_range)
.with_smoother(crossover_smoothing_style)
.with_value_to_string(crossover_value_to_string.clone())
.with_string_to_value(crossover_string_to_value.clone()),
crossover_2_freq: FloatParam::new("Crossover 2", 1000.0, crossover_range)
.with_smoother(crossover_smoothing_style)
.with_value_to_string(crossover_value_to_string.clone())
.with_string_to_value(crossover_string_to_value.clone()),
crossover_3_freq: FloatParam::new("Crossover 3", 5000.0, crossover_range)
.with_smoother(crossover_smoothing_style)
.with_value_to_string(crossover_value_to_string.clone())
.with_string_to_value(crossover_string_to_value.clone()),
crossover_4_freq: FloatParam::new("Crossover 4", 10000.0, crossover_range)
.with_smoother(crossover_smoothing_style)
.with_value_to_string(crossover_value_to_string.clone())
.with_string_to_value(crossover_string_to_value.clone()),
}
}
}
@ -96,7 +144,12 @@ impl Plugin for Crossover {
_aux: &mut AuxiliaryBuffers,
_context: &mut impl ProcessContext,
) -> ProcessStatus {
// TODO
// // TODO
// let main = _buffer.as_slice();
// let outputs = _aux.outputs[0].as_slice();
// for (m, o) in main.iter_mut().zip(outputs.iter_mut()) {
// o.copy_from_slice(m);
// }
ProcessStatus::Normal
}