-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
[amp] Move processor to grit/eurorack
- Loading branch information
1 parent
1583380
commit 204b4a3
Showing
4 changed files
with
169 additions
and
140 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| #include "amp.hpp" | ||
|
|
||
| #include <etl/algorithm.hpp> | ||
| #include <etl/functional.hpp> | ||
|
|
||
| namespace grit { | ||
|
|
||
| auto Amp::prepare(float sampleRate, etl::size_t blockSize) -> void | ||
| { | ||
| auto const blockRate = sampleRate / static_cast<float>(blockSize); | ||
|
|
||
| _gainKnob.setSampleRate(blockRate); | ||
| _toneKnob.setSampleRate(blockRate); | ||
| _outputKnob.setSampleRate(blockRate); | ||
| _mixKnob.setSampleRate(blockRate); | ||
| _gainCV.setSampleRate(blockRate); | ||
| _toneCV.setSampleRate(blockRate); | ||
| _outputCV.setSampleRate(blockRate); | ||
| _mixCV.setSampleRate(blockRate); | ||
|
|
||
| _channels[0].setSampleRate(sampleRate); | ||
| _channels[1].setSampleRate(sampleRate); | ||
| } | ||
|
|
||
| auto Amp::process(StereoBlock<float> const& buffer, ControlInput const& inputs) -> void | ||
| { | ||
| auto const gainKnob = _gainKnob(inputs.gainKnob); | ||
| auto const toneKnob = _toneKnob(inputs.toneKnob); | ||
| auto const outputKnob = _outputKnob(inputs.outputKnob); | ||
| auto const mixKnob = _mixKnob(inputs.mixKnob); | ||
|
|
||
| auto const gainCV = _gainCV(inputs.gainCV); | ||
| auto const toneCV = _toneCV(inputs.toneCV); | ||
| auto const outputCV = _outputCV(inputs.outputCV); | ||
| auto const mixCV = _mixCV(inputs.mixCV); | ||
|
|
||
| auto const parameter = Channel::Parameter{ | ||
| .mode = inputs.mode, | ||
| .gain = etl::clamp(gainKnob + gainCV, 0.0F, 1.0F), | ||
| .tone = etl::clamp(toneKnob + toneCV, 0.0F, 1.0F), | ||
| .output = etl::clamp(outputKnob + outputCV, 0.0F, 1.0F), | ||
| .mix = etl::clamp(mixKnob + mixCV, 0.0F, 1.0F), | ||
| }; | ||
|
|
||
| for (auto& channel : _channels) { | ||
| channel.setParameter(parameter); | ||
| } | ||
|
|
||
| for (auto i = size_t(0); i < buffer.extent(1); ++i) { | ||
| buffer(0, i) = etl::invoke(_channels[0], buffer(0, i)); | ||
| buffer(1, i) = etl::invoke(_channels[1], buffer(1, i)); | ||
| } | ||
| } | ||
|
|
||
| auto Amp::Channel::setParameter(Parameter const& parameter) -> void | ||
| { | ||
| if (parameter.mode != _mode) { | ||
| _fire.reset(); | ||
| _grind.reset(); | ||
| } | ||
|
|
||
| _mode = parameter.mode; | ||
|
|
||
| if (parameter.mode == Mode::Fire) { | ||
| _fire.setParameter({parameter.gain, parameter.tone, parameter.output, parameter.mix}); | ||
| } else { | ||
| _grind.setParameter({parameter.gain, parameter.tone, parameter.output, parameter.mix}); | ||
| } | ||
| } | ||
|
|
||
| auto Amp::Channel::setSampleRate(float sampleRate) -> void | ||
| { | ||
| _fire.setSampleRate(sampleRate); | ||
| _grind.setSampleRate(sampleRate); | ||
| } | ||
|
|
||
| auto Amp::Channel::operator()(float sample) -> float | ||
| { | ||
| if (_mode == Mode::Fire) { | ||
| return _fire(sample); | ||
| } | ||
| return _grind(sample); | ||
| } | ||
|
|
||
| } // namespace grit |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| #pragma once | ||
|
|
||
| #include <grit/audio/airwindows/airwindows_fire_amp.hpp> | ||
| #include <grit/audio/airwindows/airwindows_grind_amp.hpp> | ||
| #include <grit/audio/filter/dynamic_smoothing.hpp> | ||
| #include <grit/audio/stereo/stereo_block.hpp> | ||
|
|
||
| #include <etl/array.hpp> | ||
|
|
||
| namespace grit { | ||
|
|
||
| struct Amp | ||
| { | ||
| enum struct Mode | ||
| { | ||
| Fire, | ||
| Grind, | ||
| }; | ||
|
|
||
| struct ControlInput | ||
| { | ||
| Mode mode{Mode::Fire}; | ||
|
|
||
| float gainKnob{0}; | ||
| float toneKnob{0}; | ||
| float outputKnob{0}; | ||
| float mixKnob{0}; | ||
|
|
||
| float gainCV{0}; | ||
| float toneCV{0}; | ||
| float outputCV{0}; | ||
| float mixCV{0}; | ||
| }; | ||
|
|
||
| Amp() = default; | ||
|
|
||
| auto prepare(float sampleRate, etl::size_t blockSize) -> void; | ||
| auto process(StereoBlock<float> const& buffer, ControlInput const& inputs) -> void; | ||
|
|
||
| private: | ||
| struct Channel | ||
| { | ||
| struct Parameter | ||
| { | ||
| Mode mode{Mode::Fire}; | ||
| float gain{0}; | ||
| float tone{0}; | ||
| float output{0}; | ||
| float mix{0}; | ||
| }; | ||
|
|
||
| Channel() = default; | ||
|
|
||
| auto setParameter(Parameter const& parameter) -> void; | ||
| auto setSampleRate(float sampleRate) -> void; | ||
|
|
||
| [[nodiscard]] auto operator()(float sample) -> float; | ||
|
|
||
| private: | ||
| Mode _mode{Mode::Fire}; | ||
|
|
||
| AirWindowsFireAmp<float> _fire{}; | ||
| AirWindowsGrindAmp<float> _grind{}; | ||
| }; | ||
|
|
||
| DynamicSmoothing<float> _gainKnob{}; | ||
| DynamicSmoothing<float> _toneKnob{}; | ||
| DynamicSmoothing<float> _outputKnob{}; | ||
| DynamicSmoothing<float> _mixKnob{}; | ||
| DynamicSmoothing<float> _gainCV{}; | ||
| DynamicSmoothing<float> _toneCV{}; | ||
| DynamicSmoothing<float> _outputCV{}; | ||
| DynamicSmoothing<float> _mixCV{}; | ||
|
|
||
| etl::array<Channel, 2> _channels{}; | ||
| }; | ||
|
|
||
| } // namespace grit |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters