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/* fmout.h - class fmOut which handles the /dev/sequencer device
for FM synths
This file is part of LibKMid 0.9.5
Copyright (C) 1998,99,2000 Antonio Larrosa Jimenez
LibKMid's homepage : http://www.arrakis.es/~rlarrosa/libtdemid.html
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
Send comments and bug fixes to Antonio Larrosa <[email protected]>
***************************************************************************/
#ifndef _FMOUT_H
#define _FMOUT_H
#include <libtdemid/midiout.h>
#include <libtdemid/voiceman.h>
/**
* FM device output class . FMOut is used to send MIDI events to
* FM devices, such as AdLib cards, or OPL3 synthesizers.
*
* FMOut inherits MidiOut and supports the same simple API.
*
* The preferred way to use this class is by selecting a FM device
* on the MidiManager and using a MidiManager object directly
*
* @short Sends MIDI events to FM devices
* @version 0.9.5 17/01/2000
* @author Antonio Larrosa Jimenez <[email protected]>
*/
class KMID_EXPORT FMOut : public MidiOut
{
private:
class FMOutPrivate;
FMOutPrivate *di;
int patchloaded[256];
/**
* Takes a value of 2 or 3, for FM or OPL3 support
*/
int opl;
int nvoices;
VoiceManager *vm;
void modifyPatch(char *buf, int key);
void loadFMPatches (void);
public:
/**
* Constructor. See MidiOut::MidiOut() for more information.
*/
FMOut ( int d=0, int total =12 );
/**
* Destructor.
*/
~FMOut ();
/**
* See MidiOut::openDev()
*/
virtual void openDev ( int sqfd );
/**
* See MidiOut::closeDev()
*/
virtual void closeDev ( void );
/**
* See MidiOut::initDev()
*/
virtual void initDev ( void );
/**
* See MidiOut::noteOn()
*/
virtual void noteOn ( uchar chn, uchar note, uchar vel );
/**
* See MidiOut::noteOff()
*/
virtual void noteOff ( uchar chn, uchar note, uchar vel );
/**
* See MidiOut::keyPressure()
*/
virtual void keyPressure ( uchar chn, uchar note, uchar vel );
/**
* See MidiOut::chnPatchChange()
*/
virtual void chnPatchChange ( uchar chn, uchar patch );
/**
* See MidiOut::chnPressure()
*/
virtual void chnPressure ( uchar chn, uchar vel );
/**
* See MidiOut::chnPitchBender()
*/
virtual void chnPitchBender ( uchar chn, uchar lsb, uchar msb );
/**
* See MidiOut::chnController()
*/
virtual void chnController ( uchar chn, uchar ctl , uchar v );
/**
* It's an empty function, as FM devices don't support System Exclusive
* messages
*/
virtual void sysex ( uchar *data,ulong size);
/**
* See MidiOut::setVolumePercentage()
*/
virtual void setVolumePercentage ( int i );
/**
* Returns @p p if the patch p has been loaded, or another patch (already loaded)
* if @p p hasn't been loaded.
*/
int patch(int p);
private:
static const char *FMPatchesDirectory;
static int deleteFMPatchesDirectory;
public:
/**
* Sets the directory where the FM patches are stored, that is, where the
* std.o3, std.sb, drums.o3 and drums.sb files can be found.
*
* It will store a copy of the parameter, so you should delete the memory
* used by the parameter you passed.
*/
static void setFMPatchesDirectory(const char *dir);
};
#endif
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