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/*
* ZamCompX2 stereo compressor
* Copyright (C) 2014 Damien Zammit <damien@zamaudio.com>
*
* 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 2 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.
*/
#ifndef ZAMCOMPX2PLUGIN_HPP_INCLUDED
#define ZAMCOMPX2PLUGIN_HPP_INCLUDED
#define STEREOLINK_AVERAGE 0
#define STEREOLINK_MAX 1
#define STEREOLINK_UNCOUPLED 2
#include "DistrhoPlugin.hpp"
START_NAMESPACE_DISTRHO
// -----------------------------------------------------------------------
class ZamCompX2Plugin : public Plugin
{
public:
enum Parameters
{
paramAttack = 0,
paramRelease,
paramKnee,
paramRatio,
paramThresh,
paramMakeup,
paramSlew,
paramStereo,
paramSidechain,
paramGainRed,
paramOutputLevel,
paramCount
};
ZamCompX2Plugin();
protected:
// -------------------------------------------------------------------
// Information
const char* getLabel() const noexcept override
{
return "ZamCompX2";
}
const char* getDescription() const noexcept override
{
return "Stereo version of ZamComp with knee slew control.";
}
const char* getMaker() const noexcept override
{
return "Damien Zammit";
}
const char* getHomePage() const noexcept override
{
return "http://www.zamaudio.com";
}
const char* getLicense() const noexcept override
{
return "GPL v2+";
}
uint32_t getVersion() const noexcept override
{
return d_version(4, 1, 0);
}
int64_t getUniqueId() const noexcept override
{
return d_cconst('Z', 'C', 'P', '2');
}
// -------------------------------------------------------------------
// Init
void initParameter(uint32_t index, Parameter& parameter) override;
void initProgramName(uint32_t index, String& programName) override;
void initAudioPort(bool input, uint32_t index, AudioPort& port) override;
// -------------------------------------------------------------------
// Internal data
float getParameterValue(uint32_t index) const override;
void setParameterValue(uint32_t index, float value) override;
void loadProgram(uint32_t index);
// -------------------------------------------------------------------
// Process
static inline float
sanitize_denormal(float v) {
if(!std::isnormal(v))
return 0.f;
return v;
}
static inline float
from_dB(float gdb) {
return (expf(0.05f*gdb*logf(10.f)));
}
static inline float
to_dB(float g) {
return (20.f*log10f(g));
}
void activate() override;
void run(const float** inputs, float** outputs, uint32_t frames) override;
// -------------------------------------------------------------------
private:
float attack,release,knee,ratio,thresdb,makeup,gainred,outlevel,sidechain,stereodet,slewfactor; //parameters
float oldL_yl, oldL_y1, oldR_yl, oldR_y1, oldL_yg, oldR_yg;
};
// -----------------------------------------------------------------------
END_NAMESPACE_DISTRHO
#endif // ZAMCOMPX2_HPP_INCLUDED
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