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//=========================================================
// MusE
// Linux Music Editor
// $Id: mess.h,v 1.3.2.3 2009/11/19 04:20:33 terminator356 Exp $
// (C) Copyright 2001-2004 Werner Schweer (ws@seh.de)
//=========================================================
#ifndef __MESS_H__
#define __MESS_H__
#define MESS_MAJOR_VERSION 1
#define MESS_MINOR_VERSION 1
#include "mpevent.h"
class QWidget;
class QString;
class MessP;
//---------------------------------------------------------
// MidiPatch
//---------------------------------------------------------
#define MP_TYPE_GM 1
#define MP_TYPE_GS 2
#define MP_TYPE_XG 4
#define MP_TYPE_LBANK 8
#define MP_TYPE_HBANK 16
struct MidiPatch {
signed char typ; // 1 - GM 2 - GS 4 - XG
signed char hbank, lbank, prog;
const char* name;
};
//---------------------------------------------------------
// Mess
// MusE experimental software synth
// Instance virtual interface class
// NOTICE: If implementing sysex support, be sure to make a unique ID and use
// it to filter out unrecognized sysexes. Headers should be constructed as:
// MUSE_SYNTH_SYSEX_MFG_ID The MusE SoftSynth Manufacturer ID byte (0x7C) found in midi.h
// 0xNN The synth's unique ID byte
//---------------------------------------------------------
class Mess {
MessP* d;
int _sampleRate;
int _channels; // 1 - mono, 2 - stereo
public:
Mess(int channels);
virtual ~Mess();
// This is only a kludge required to support old songs' midistates. Do not use in any new synth.
virtual int oldMidiStateHeader(const unsigned char** /*data*/) const { return 0; }
int channels() const { return _channels; }
int sampleRate() const { return _sampleRate; }
void setSampleRate(int r) { _sampleRate = r; }
virtual void processMessages() { };
virtual void process(float** data, int offset, int len) = 0;
// the synti has to (re-)implement processEvent() or provide
// some of the next three functions:
virtual bool processEvent(const MidiPlayEvent&);
virtual bool setController(int, int, int) { return false; }
virtual bool playNote(int, int, int) { return false; }
virtual bool sysex(int, const unsigned char*) { return false; }
virtual void getInitData(int* n, const unsigned char**) /*const*/ { *n = 0; } // No const: Synths may need to allocate member pointers. p4.0.27 Tim
virtual int getControllerInfo(int, const char**, int*, int*, int*, int*) const {return 0;}
virtual const char* getPatchName(int, int, int, bool) const { return "?"; }
virtual const MidiPatch* getPatchInfo(int, const MidiPatch*) const { return 0; }
// synthesizer -> host communication
void sendEvent(MidiPlayEvent); // called from synti
MidiPlayEvent receiveEvent(); // called from host
int eventsPending() const;
// GUI interface routines
virtual bool hasGui() const { return false; }
virtual bool guiVisible() const { return false; }
virtual void showGui(bool) {}
virtual bool hasNativeGui() const { return false; }
virtual bool nativeGuiVisible() const { return false; }
virtual void showNativeGui(bool) {}
virtual void getGeometry(int* x, int* y, int* w, int* h) const;
virtual void setGeometry(int, int, int, int) {}
virtual void getNativeGeometry(int* x, int* y, int* w, int* h) const;
virtual void setNativeGeometry(int, int, int, int) {}
};
//---------------------------------------------------------
// MESS
// Class descriptor
//---------------------------------------------------------
struct MESS {
const char* name;
const char* description;
const char* version;
int majorMessVersion, minorMessVersion;
Mess* (*instantiate)(int sr, QWidget* parent, QString* projectPathPtr, const char* name);
};
extern "C" {
const MESS* mess_descriptor();
}
#endif
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