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/*
* ZamChild670 stereo tube limiter
* Copyright (C) 2015 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 ZAMCHILD670PLUGIN_HPP_INCLUDED
#define ZAMCHILD670PLUGIN_HPP_INCLUDED
#include "DistrhoPlugin.hpp"
#include "wavechild670.h"
START_NAMESPACE_DISTRHO
// -----------------------------------------------------------------------
class ZamChild670Plugin : public Plugin
{
public:
enum Parameters
{
paramInlevel = 0,
paramAC,
paramDC,
paramTau,
paramOutlevel,
paramCount
};
ZamChild670Plugin();
~ZamChild670Plugin();
protected:
// -------------------------------------------------------------------
// Information
const char* getLabel() const noexcept override
{
return "ZamChild670";
}
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 0x1000;
}
int64_t getUniqueId() const noexcept override
{
return d_cconst('Z', 'C', 'L', 'D');
}
// -------------------------------------------------------------------
// Init
void initParameter(uint32_t index, Parameter& parameter) 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
static inline float
sanitize_denormal(float v) {
if(!std::isnormal(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));
}
void activate() override;
void run(const float** inputs, float** outputs, uint32_t frames) override;
// -------------------------------------------------------------------
private:
Wavechild670Parameters *params;
Wavechild670 *zamchild;
float inputLevel, ACThreshold, timeConstantSelect, DCThreshold, outputGain;
};
// -----------------------------------------------------------------------
END_NAMESPACE_DISTRHO
#endif // ZAMCOMPX2_HPP_INCLUDED
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