alex/nih-plug
1
0
Fork 0
Code Activity

Move the compressor parameters to their own module

Browse source
This commit is contained in:
Robbert van der Helm 2022-07-22 13:40:30 +02:00
parent 08c78454da
commit ed3f760965
2 changed files with 124 additions and 90 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

118
plugins/spectral_compressor/src/compressor_bank.rs Normal file
View file

@ -0,0 +1,118 @@
// Spectral Compressor: an FFT based compressor
// Copyright (C) 2021-2022 Robbert van der Helm
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
use nih_plug::prelude::*;
#[derive(Params)]
pub struct CompressorBankParams {
/// The downwards compression threshold relative to the target curve.
#[id = "thresh_down_off"]
downwards_threshold_offset_db: FloatParam,
#[id = "thresh_up_off"]
/// The upwards compression threshold relative to the target curve.
upwards_threshold_offset_db: FloatParam,
/// The downwards compression ratio. At 1.0 the downwards compressor is disengaged.
#[id = "ratio_down"]
downwards_ratio: FloatParam,
/// The upwards compression ratio. At 1.0 the upwards compressor is disengaged.
#[id = "ratio_up"]
upwards_ratio: FloatParam,
// TODO: High frequency ratio falloff, make the compression milder for higher frequencies to make it less piercing
/// The compressor's attack time in milliseconds. Controls both upwards and downwards
/// compression.
#[id = "attack"]
compressor_attack_ms: FloatParam,
/// The compressor's release time in milliseconds. Controls both upwards and downwards
/// compression.
#[id = "release"]
compressor_release_ms: FloatParam,
}
impl Default for CompressorBankParams {
fn default() -> Self {
Self {
// TODO: Set nicer default values for these things
// As explained above, these offsets are relative to the target curve
downwards_threshold_offset_db: FloatParam::new(
"Downwards Offset",
0.0,
FloatRange::Linear {
min: -50.0,
max: 50.0,
},
)
.with_unit(" dB")
.with_step_size(0.1),
upwards_threshold_offset_db: FloatParam::new(
"Upwards Offset",
0.0,
FloatRange::Linear {
min: -50.0,
max: 50.0,
},
)
.with_unit(" dB")
.with_step_size(0.1),
downwards_ratio: FloatParam::new(
"Downwards Ratio",
1.0,
FloatRange::Skewed {
min: 1.0,
max: 300.0,
factor: FloatRange::skew_factor(-2.0),
},
)
.with_step_size(0.1)
.with_value_to_string(formatters::v2s_compression_ratio(1))
.with_string_to_value(formatters::s2v_compression_ratio()),
upwards_ratio: FloatParam::new(
"Upwards Ratio",
1.0,
FloatRange::Skewed {
min: 1.0,
max: 300.0,
factor: FloatRange::skew_factor(-2.0),
},
)
.with_step_size(0.1)
.with_value_to_string(formatters::v2s_compression_ratio(1))
.with_string_to_value(formatters::s2v_compression_ratio()),
compressor_attack_ms: FloatParam::new(
"Attack",
150.0,
FloatRange::Skewed {
// TODO: Make sure to handle 0 attack and release times in the compressor
min: 0.0,
max: 10_000.0,
factor: FloatRange::skew_factor(-2.0),
},
)
.with_unit(" ms")
.with_step_size(0.1),
compressor_release_ms: FloatParam::new(
"Release",
300.0,
FloatRange::Skewed {
min: 0.0,
max: 10_000.0,
factor: FloatRange::skew_factor(-2.0),
},
)
.with_unit(" ms")
.with_step_size(0.1),
}
}
}

96
plugins/spectral_compressor/src/lib.rs
View file

@ -20,6 +20,7 @@ use realfft::num_complex::Complex32;
use realfft::{ComplexToReal, RealFftPlanner, RealToComplex};
use std::sync::Arc;
mod compressor_bank;
mod dry_wet_mixer;
mod editor;
@ -96,27 +97,8 @@ struct SpectralCompressorParams {
//
// TODO: Sidechaining
//
/// The downwards compression threshold relative to the target curve.
#[id = "thresh_down_off"]
downwards_threshold_offset_db: FloatParam,
#[id = "thresh_up_off"]
/// The upwards compression threshold relative to the target curve.
upwards_threshold_offset_db: FloatParam,
/// The downwards compression ratio. At 1.0 the downwards compressor is disengaged.
#[id = "ratio_down"]
downwards_ratio: FloatParam,
/// The upwards compression ratio. At 1.0 the upwards compressor is disengaged.
#[id = "ratio_up"]
upwards_ratio: FloatParam,
// TODO: High frequency ratio falloff, make the compression milder for higher frequencies to make it less piercing
/// The compressor's attack time in milliseconds. Controls both upwards and downwards
/// compression.
#[id = "attack"]
compressor_attack_ms: FloatParam,
/// The compressor's release time in milliseconds. Controls both upwards and downwards
/// compression.
#[id = "release"]
compressor_release_ms: FloatParam,
#[nested = "compressors"]
compressors: compressor_bank::CompressorBankParams,
}
impl Default for SpectralCompressor {
@ -141,6 +123,8 @@ impl Default for SpectralCompressor {
impl Default for SpectralCompressorParams {
fn default() -> Self {
Self {
// TODO: Do still enable per-block smoothing for these settings, because why not
// We don't need any smoothing for these parameters as the overlap-add process will
// already act as a form of smoothing
input_gain_db: FloatParam::new(
@ -171,75 +155,7 @@ impl Default for SpectralCompressorParams {
.with_string_to_value(formatters::s2v_f32_percentage()),
dc_filter: BoolParam::new("DC Filter", true),
// TODO: Set nicer default values for these things
// As explained above, these offsets are relative to the target curve
downwards_threshold_offset_db: FloatParam::new(
"Downwards Offset",
0.0,
FloatRange::Linear {
min: -50.0,
max: 50.0,
},
)
.with_unit(" dB")
.with_step_size(0.1),
upwards_threshold_offset_db: FloatParam::new(
"Upwards Offset",
0.0,
FloatRange::Linear {
min: -50.0,
max: 50.0,
},
)
.with_unit(" dB")
.with_step_size(0.1),
downwards_ratio: FloatParam::new(
"Downwards Ratio",
1.0,
FloatRange::Skewed {
min: 1.0,
max: 300.0,
factor: FloatRange::skew_factor(-2.0),
},
)
.with_step_size(0.1)
.with_value_to_string(formatters::v2s_compression_ratio(1))
.with_string_to_value(formatters::s2v_compression_ratio()),
upwards_ratio: FloatParam::new(
"Upwards Ratio",
1.0,
FloatRange::Skewed {
min: 1.0,
max: 300.0,
factor: FloatRange::skew_factor(-2.0),
},
)
.with_step_size(0.1)
.with_value_to_string(formatters::v2s_compression_ratio(1))
.with_string_to_value(formatters::s2v_compression_ratio()),
compressor_attack_ms: FloatParam::new(
"Attack",
150.0,
FloatRange::Skewed {
// TODO: Make sure to handle 0 attack and release times in the compressor
min: 0.0,
max: 10_000.0,
factor: FloatRange::skew_factor(-2.0),
},
)
.with_unit(" ms")
.with_step_size(0.1),
compressor_release_ms: FloatParam::new(
"Release",
300.0,
FloatRange::Skewed {
min: 0.0,
max: 10_000.0,
factor: FloatRange::skew_factor(-2.0),
},
)
.with_unit(" ms")
.with_step_size(0.1),
compressors: compressor_bank::CompressorBankParams::default(),
}
}
}