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/*
* ZamPiano physically modelled piano synth
* 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 ZAMPIANOPLUGIN_HPP_INCLUDED
#define ZAMPIANOPLUGIN_HPP_INCLUDED
#include <string.h>
#include "DistrhoPlugin.hpp"
#include "PianoNote.hpp"
#define STRIKE 0
#define ATTACK 1
#define SUSTAIN 2
#define RELEASE 1000
#define DECAY 1001
#define SILENT 1011
START_NAMESPACE_DISTRHO
// -----------------------------------------------------------------------
class ZamPianoPlugin : public Plugin
{
public:
enum Parameters
{
paramFreq,
paramGain,
paramGate,
paramBright,
paramDetuning,
paramHammerHard,
paramStiffness,
paramReverbGain,
paramReverbRoom,
paramPanAngle,
paramSpatialWidth,
paramCount
};
ZamPianoPlugin();
~ZamPianoPlugin();
PianoNote N[88];
protected:
// -------------------------------------------------------------------
// Information
const char* getLabel() const noexcept override
{
return "ZamPiano";
}
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, 6, 1);
}
int64_t getUniqueId() const noexcept override
{
return d_cconst('Z', 'P', 'N', '2');
}
// -------------------------------------------------------------------
// 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
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,
const MidiEvent* midievent, uint32_t midicount) override;
// -------------------------------------------------------------------
typedef struct {
int state;
double vel;
int gatestate;
} note_t;
note_t note[128];
float *intermed[88][2];
private:
float pfreq;
float pgain;
float pgate;
float pbright;
float pdetune;
float phammer;
float pstiff;
float prevgain;
float prevroom;
float ppanangle;
float pspatialwidth;
};
// -----------------------------------------------------------------------
END_NAMESPACE_DISTRHO
#endif // ZAMPIANO_HPP_INCLUDED
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