BogaudioModules

commit 3b4cc617d47c560ebb75c5b26e71af3be3c48a46
parent 250e9143b01e4191b3e59a0c5a54d3f27fbd1b3a
Author: Matt Demanett <matt@demanett.net>
Date:   Wed, 17 Jun 2020 21:43:15 -0400

Add a bit of slew limitation on matrix mixers, to smooth out pops, especially with the switch mixers. #122

Diffstat:
M
src/matrix_base.cpp
 | 
9
++++++++-
M
src/matrix_base.hpp
 | 
4
++++

2 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/src/matrix_base.cpp b/src/matrix_base.cpp
@@ -54,6 +54,13 @@ void MatrixBaseModuleWidget::appendContextMenu(Menu* menu) {
 }
 
 
+void MatrixModule::sampleRateChange() {
+	float sr = APP->engine->getSampleRate();
+	for (int i = 0, n = _n * _n; i < n; ++i) {
+		_sls[i].setParams(sr, 0.5f, 1.0f);
+	}
+}
+
 int MatrixModule::channels() {
 	return inputs[_firstInputID].getChannels();
 }
@@ -63,7 +70,7 @@ void MatrixModule::modulate() {
 	for (int i = 0; i < _n; ++i) {
 		for (int j = 0; j < _n; ++j) {
 			int ii = i * _n + j;
-			_paramValues[ii] = params[_firstParamID + ii].getValue();
+			_paramValues[ii] = _sls[ii].next(params[_firstParamID + ii].getValue());
 		}
 	}
 }
diff --git a/src/matrix_base.hpp b/src/matrix_base.hpp
@@ -36,6 +36,7 @@ struct MatrixModule : MatrixBaseModule {
 	int _firstOutputID;
 
 	float* _paramValues = NULL;
+	bogaudio::dsp::SlewLimiter* _sls = NULL;
 	Saturator* _saturators = NULL;
 
 	MatrixModule(int n, int firstParamID, int firstInputID, int firstOutputID)
@@ -46,13 +47,16 @@ struct MatrixModule : MatrixBaseModule {
 	{
 		assert(_n <= maxN);
 		_paramValues = new float[_n * _n] {};
+		_sls = new bogaudio::dsp::SlewLimiter[_n * _n];
 		_saturators = new Saturator[_n * maxChannels];
 	}
 	virtual ~MatrixModule() {
 		delete[] _paramValues;
+		delete[] _sls;
 		delete[] _saturators;
 	}
 
+	void sampleRateChange() override;
 	int channels() override;
 	void modulate() override;
 	void processChannel(const ProcessArgs& args, int c) override;