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BA_MicroMDAEPiano/mdaEPiano.h

102 lines
2.3 KiB

//See associated .cpp file for copyright and other info
#ifndef __mdaEPiano__
#define __mdaEPiano__
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#include <Audio.h>
#include <Arduino.h>
#include <string.h>
#include "config.h"
#define NPARAMS 12 //number of parameters
#define NPROGS 8 //number of programs
#define NOUTS 2 //number of outputs
//#define NVOICES 32 //max polyphony
#define SUSTAIN 128
#define SILENCE 0.0001f //voice choking
#define WAVELEN 422414 //wave data bytes
class mdaEPianoProgram
{
friend class mdaEPiano;
private:
float param[NPARAMS];
char name[24];
};
struct VOICE //voice state
{
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int32_t delta; //sample playback
int32_t frac;
int32_t pos;
int32_t end;
int32_t loop;
float env; //envelope
float dec;
float f0; //first-order LPF
float f1;
float ff;
float outl;
float outr;
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int32_t note; //remember what note triggered this
};
struct KGRP //keygroup
{
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int32_t root; //MIDI root note
int32_t high; //highest note
int32_t pos;
int32_t end;
int32_t loop;
};
class mdaEPiano //: public AudioEffectX
{
public:
mdaEPiano(); // mdaEPiano(audioMasterCallback audioMaster);
~mdaEPiano();
virtual void process(int16_t *outputs_r, int16_t *outputs_l);
virtual bool processMidiMessage(uint8_t type, uint8_t data1, uint8_t data2);
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virtual void setProgram(int32_t program);
virtual void setParameter(int32_t index, float value);
virtual float getParameter(int32_t index);
virtual void resume();
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int32_t guiUpdate;
void guiGetDisplay(int32_t index, char *label);
private:
void update(); //my parameter update
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void noteOn(int32_t note, int32_t velocity);
void fillpatch(int32_t p, char *name, float p0, float p1, float p2, float p3, float p4,
float p5, float p6, float p7, float p8, float p9, float p10,float p11);
mdaEPianoProgram* programs;
float Fs, iFs;
#define EVENTBUFFER 120
#define EVENTS_DONE 99999999
int32_t notes[EVENTBUFFER + 8]; //list of delta|note|velocity for current block
///global internal variables
KGRP kgrp[34];
VOICE voice[NVOICES];
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int32_t activevoices, poly;
short *waves;
float width;
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int32_t size, sustain;
float lfo0, lfo1, dlfo, lmod, rmod;
float treb, tfrq, tl, tr;
float tune, fine, random, stretch, overdrive;
float muff, muffvel, sizevel, velsens, volume, modwhl;
uint8_t curProgram;
};
#endif