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/*
* DISTRHO 3BandSplitter Plugin, based on 3BandSplitter by Michael Gruhn
* Copyright (C) 2007 Michael Gruhn <michael-gruhn@web.de>
* Copyright (C) 2012-2022 Filipe Coelho <falktx@falktx.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation.
*
* 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 Lesser General Public License for more details.
*
* For a full copy of the license see the LICENSE file.
*/
#ifndef DISTRHO_PLUGIN_3BANDSPLITTER_HPP_INCLUDED
#define DISTRHO_PLUGIN_3BANDSPLITTER_HPP_INCLUDED
#include "DistrhoPlugin.hpp"
START_NAMESPACE_DISTRHO
// -----------------------------------------------------------------------
class DistrhoPlugin3BandSplitter : public Plugin
{
public:
enum Parameters
{
paramLow = 0,
paramMid,
paramHigh,
paramMaster,
paramLowMidFreq,
paramMidHighFreq,
paramCount
};
enum PortGroups
{
kPortGroupLow,
kPortGroupMid,
kPortGroupHigh,
kPortGroupCount
};
DistrhoPlugin3BandSplitter();
protected:
// -------------------------------------------------------------------
// Information
const char* getLabel() const noexcept override
{
return "3BandSplitter";
}
const char* getDescription() const override
{
return "3 Band Equalizer, split output version.";
}
const char* getMaker() const noexcept override
{
return "DISTRHO";
}
const char* getHomePage() const override
{
return "https://github.com/DISTRHO/Mini-Series";
}
const char* getLicense() const noexcept override
{
return "LGPL";
}
uint32_t getVersion() const noexcept override
{
return d_version(1, 0, 0);
}
int64_t getUniqueId() const noexcept override
{
return d_cconst('D', '3', 'E', 'S');
}
// -------------------------------------------------------------------
// Init
void initAudioPort(bool input, uint32_t index, AudioPort& port) override;
void initParameter(uint32_t index, Parameter& parameter) override;
void initPortGroup(uint32_t groupId, PortGroup& portGroup) override;
void initProgramName(uint32_t index, String& programName) override;
// -------------------------------------------------------------------
// Internal data
float getParameterValue(uint32_t index) const override;
void setParameterValue(uint32_t index, float value) override;
void loadProgram(uint32_t index) override;
// -------------------------------------------------------------------
// Process
void activate() override;
void deactivate() override;
void run(const float** inputs, float** outputs, uint32_t frames) override;
// -------------------------------------------------------------------
private:
float fLow, fMid, fHigh, fMaster, fLowMidFreq, fMidHighFreq;
float lowVol, midVol, highVol, outVol;
float freqLP, freqHP;
float xLP, a0LP, b1LP;
float xHP, a0HP, b1HP;
float out1LP, out2LP, out1HP, out2HP;
float tmp1LP, tmp2LP, tmp1HP, tmp2HP;
DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(DistrhoPlugin3BandSplitter)
};
// -----------------------------------------------------------------------
END_NAMESPACE_DISTRHO
#endif // DISTRHO_PLUGIN_3BANDSPLITTER_HPP_INCLUDED
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