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/*
* ZaMultiComp Plugin
* 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 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.
*
* For a full copy of the GNU General Public License see the doc/GPL.txt file.
*/
#ifndef ZAMULTICOMPPLUGIN_HPP_INCLUDED
#define ZAMULTICOMPPLUGIN_HPP_INCLUDED
#define MAX_FILT 8
#define MAX_COMP 3
#define ONEOVERROOT2 0.7071068f
#define ROOT2 1.4142135f
#define DANGER 100000.f
#include "DistrhoPlugin.hpp"
START_NAMESPACE_DISTRHO
// -----------------------------------------------------------------------
class ZaMultiCompPlugin : public Plugin
{
public:
enum Parameters
{
paramAttack = 0,
paramRelease,
paramKnee,
paramRatio,
paramThresh,
paramMakeup1,
paramMakeup2,
paramMakeup3,
paramXover1,
paramXover2,
paramGainR1,
paramGainR2,
paramGainR3,
paramToggle1,
paramToggle2,
paramToggle3,
paramListen1,
paramListen2,
paramListen3,
paramGlobalGain,
paramOutputLevel,
paramCount
};
ZaMultiCompPlugin();
protected:
// -------------------------------------------------------------------
// Information
const char* d_getLabel() const noexcept override
{
return "ZaMultiComp";
}
const char* d_getMaker() const noexcept override
{
return "Damien Zammit";
}
const char* d_getLicense() const noexcept override
{
return "GPL v2+";
}
uint32_t d_getVersion() const noexcept override
{
return 0x1000;
}
int64_t d_getUniqueId() const noexcept override
{
return d_cconst('Z', 'M', 'C', 'P');
}
// -------------------------------------------------------------------
// Init
void d_initParameter(uint32_t index, Parameter& parameter) override;
void d_initProgramName(uint32_t index, d_string& programName) override;
// -------------------------------------------------------------------
// Internal data
float d_getParameterValue(uint32_t index) const override;
void d_setParameterValue(uint32_t index, float value) override;
void d_setProgram(uint32_t index) override;
// -------------------------------------------------------------------
// Process
static inline float
sanitize_denormal(float v) {
if(!std::isnormal(v) || !std::isfinite(v))
return 0.f;
return v;
}
static inline float
from_dB(float gdb) {
return (exp(gdb/20.f*log(10.f)));
}
static inline float
to_dB(float g) {
return (20.f*log10(g));
}
float run_comp(int k, float in);
float run_filter(int i, float in);
void set_lp_coeffs(float fc, float q, float sr, int i, float gain);
void set_hp_coeffs(float fc, float q, float sr, int i, float gain);
void d_activate() override;
void d_run(const float** inputs, float** outputs, uint32_t frames) override;
// -------------------------------------------------------------------
private:
float attack,release,knee,ratio,thresdb,makeup[MAX_COMP],globalgain;
float gainr[MAX_COMP],toggle[MAX_COMP],xover1,xover2,outlevel,listen[MAX_COMP];
float old_yl[MAX_COMP], old_y1[MAX_COMP], old_yg[MAX_COMP];
// Crossover filter coefficients
float a0[MAX_FILT];
float a1[MAX_FILT];
float a2[MAX_FILT];
float b1[MAX_FILT];
float b2[MAX_FILT];
//Crossover filter states
float w1[MAX_FILT];
float w2[MAX_FILT];
float z1[MAX_FILT];
float z2[MAX_FILT];
};
// -----------------------------------------------------------------------
END_NAMESPACE_DISTRHO
#endif // ZAMULTICOMP_HPP_INCLUDED
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