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/*
* ZamPhono
* Copyright (C) 2016 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.
*/
#ifndef ZAMPHONOPLUGIN_HPP_INCLUDED
#define ZAMPHONOPLUGIN_HPP_INCLUDED
#include "DistrhoPlugin.hpp"
#include <complex>
START_NAMESPACE_DISTRHO
// -----------------------------------------------------------------------
class ZamPhonoPlugin : public Plugin
{
public:
enum Parameters
{
paramToggle = 0,
paramType,
paramCount
};
ZamPhonoPlugin();
protected:
// -------------------------------------------------------------------
// Information
const char* getLabel() const noexcept override
{
return "ZamPhono";
}
const char* getMaker() const noexcept override
{
return "Damien Zammit";
}
const char* getLicense() const noexcept override
{
return "GPL v2+";
}
uint32_t getVersion() const noexcept override
{
return d_version(3, 8, 0);
}
int64_t getUniqueId() const noexcept override
{
return d_cconst('Z', 'M', 'P', 'H');
}
// -------------------------------------------------------------------
// Init
void initParameter(uint32_t index, Parameter& parameter) ;
void initProgramName(uint32_t index, String& programName) ;
// -------------------------------------------------------------------
// 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 aweight(float);
static inline double
sanitize_denormal(double v) {
if(!std::isnormal(v))
return 0.f;
return v;
}
static inline double
from_dB(double gdb) {
return (exp(gdb/20.f*log(10.f)));
}
static inline double
to_dB(double g) {
return (20.f*log10(g));
}
void activate() override;
void run(const float** inputs, float** outputs, uint32_t frames) override;
void emphasis(float srate);
double run_filter(double in);
void brickwall(float fc, float srate);
void clearbrickwall(void);
double run_brickwall(double in);
double zn1, zn2, zd1, zd2;
double b0, b1, b2;
double a1, a2;
double state[4];
double A0, A1, A2, B0, B1, B2;
// -------------------------------------------------------------------
private:
float type, inv, typeold, invold;
};
// -----------------------------------------------------------------------
END_NAMESPACE_DISTRHO
#endif // ZAMPHONO_HPP_INCLUDED
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