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//=========================================================
// MusE
// Linux Music Editor
// $Id: organ.h,v 1.5 2004/04/15 13:46:18 wschweer Exp $
//
// Parts of this file taken from:
// Organ - Additive Organ Synthesizer Voice
// Copyright (c) 1999, 2000 David A. Bartold
//
// (C) Copyright 2001-2007 Werner Schweer (ws@seh.de)
//=========================================================
#ifndef __ORGAN_H__
#define __ORGAN_H__
#include "muse/midictrl.h"
#include "libsynti/mess2.h"
static const int NO_VOICES = 128; // max polyphony
static const int NO_KEYS = 97 - 36;
class OrganGui;
class Reverb;
static const int MAX_ATTENUATION = 960;
static const int NO_BUSES = 9;
static const int NO_WHEELS = 91;
static const int NO_ELEMENTS = 194;
enum {
DRAWBAR0 = CTRL_RPN14_OFFSET, DRAWBAR1, DRAWBAR2,
DRAWBAR3, DRAWBAR4, DRAWBAR5, DRAWBAR6, DRAWBAR7, DRAWBAR8,
REVERB_ON, REVERB_ROOM_SIZE, REVERB_MIX,
VIBRATO_ON, VIBRATO_FREQ, VIBRATO_DEPTH,
PERC_ON, PERC_GAIN, PERC_DECAY, PERC_HARMONY,
ROTARY_ON, ROT1_FREQ, ROT1_DEPTH, ROT2_FREQ, ROT2_DEPTH
};
//---------------------------------------------------------
// Wheel
//---------------------------------------------------------
struct Wheel {
unsigned frameStep;
unsigned accu;
int refCount;
bool active;
float gain[NO_BUSES];
// envelopes:
float* env[NO_BUSES];
int envCount[NO_BUSES];
float deltaGain[NO_BUSES];
};
//---------------------------------------------------------
// Elem
//---------------------------------------------------------
struct Elem {
char wheel;
char bus;
float level;
Elem() { bus = -1; }
Elem(char w, char b, float l) : wheel(w), bus(b), level(l) {}
};
//---------------------------------------------------------
// Organ
//---------------------------------------------------------
class Organ : public Mess2 {
static int useCount;
static float* waveTable;
static double cb2amp_tab[MAX_ATTENUATION];
static double cb2amp(int cb);
static Elem routing[NO_KEYS][NO_ELEMENTS];
static float* attackEnv;
static float* releaseEnv;
static int envSize;
static float keyCompression[NO_VOICES];
OrganGui* gui;
Reverb* reverb;
bool reverbOn;
double volume;
unsigned vibratoStep;
unsigned vibratoAccu;
bool vibratoOn;
double vibratoFreq;
double vibratoDepth;
// key compression
float keyCompressionDelta;
float keyCompressionValue;
int keyCompressionCount;
// percussion
int percussionBus; // usually drawbar 3 or drawbar 4
bool percussionOn;
double percDecay;
double percussionEnvDecay;
double percGain;
double percGainInit;
// rotary speaker emulation
bool rotaryOn;
double rot1Freq; // horn: 0,67 - 6,7
double rot1Depth;
double rot2Freq; // drum: 0,5 - 5,5
double rot2Depth;
unsigned rot1Step;
unsigned rot1AccuL;
unsigned rot1AccuR;
unsigned rot2Step;
unsigned rot2AccuL;
unsigned rot2AccuR;
float drawBarGain[NO_BUSES];
Wheel wheels[NO_WHEELS];
QList<char> pressedKeys;
QList<Wheel*> activeWheels;
void setController(int ctrl, int val);
void changeKeyCompression();
void percussionChanged();
virtual void process(float**, int, int);
virtual bool playNote(int channel, int pitch, int velo);
virtual bool setController(int channel, int ctrl, int val);
virtual bool sysex(int, const unsigned char*);
virtual bool guiVisible() const;
virtual void showGui(bool);
virtual bool hasGui() const { return true; }
virtual void getGeometry(int* x, int* y, int* w, int* h) const;
virtual void setGeometry(int x, int y, int w, int h);
public:
friend class OrganGui;
Organ(int sampleRate);
~Organ();
bool init(const char* name);
};
#endif
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