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Diffstat (limited to 'libkmid/gusout.h')
| -rw-r--r-- | libkmid/gusout.h | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/libkmid/gusout.h b/libkmid/gusout.h new file mode 100644 index 000000000..1fd8a3cbd --- /dev/null +++ b/libkmid/gusout.h @@ -0,0 +1,180 @@ +/* gusout.h - class gusOut which implements support for Gravis + Ultrasound cards through a /dev/sequencer device + 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/libkmid.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 <larrosa@kde.org> + +***************************************************************************/ +#ifndef _GUSOUT_H +#define _GUSOUT_H + +#include <libkmid/midiout.h> +#include <libkmid/voiceman.h> + +/** + * Gravis Ultrasound synthesizer output class . This class is used to send midi + * events to synthesizers on GUS cards. + * + * GUSOut inherits MidiOut and supports the same simple API. + * + * The recommended way to use this class is by using a DeviceManager + * object, and use the DeviceManager::setPatchesToUse() member which will + * call the setPatchesToUse() member in this class. + * + * @short Sends MIDI events to GUS synths + * @version 0.9.5 17/01/2000 + * @author Antonio Larrosa Jimenez <larrosa@kde.org> + */ +class GUSOut : public MidiOut +{ + private: + class GUSOutPrivate; + GUSOutPrivate *di; + + int patchloaded[256]; + int nvoices; + + int use8bit; // Use 8 bit patches, instead of 16 bits to use less memory + VoiceManager *vm; + + int totalmemory; // Total memory in soundcard + int freememory; // Free memory + + + void patchesLoadingOrder(int *patchesused,int *patchesordered); + const char *patchName(int pgm); + + public: + /** + * Constructor. See MidiOut::MidiOut() for more information. + */ + GUSOut(int d=0,int total =12); + + /** + * Destructor. + */ + ~GUSOut(); + + /** + * 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 GUS synths don't support System Exclusive + * messages + */ + virtual void sysex ( uchar *data,ulong size); + + /** + * See DeviceManager::setPatchesToUse() . All the information about this + * member is explained there because it's (for now) just a simple call to this + * function when the device used is a GUS device, and you're supposed to use + * a DeviceManager object instead of a GUSOut object except in rare ocassions. + * + * @see patch() + * @see loadPatch() + */ + void setPatchesToUse(int *patchesused); + + /** + * Loads a single patch on the synthesizer memory. + * @param pgm is the number of the GM patch when pgm is between 0 and 127. + * Values from 128 to 255 are used to represent the percussion instruments. + * @return 0 if OK and -1 if there was an error (patch not found, not enough + * memory, etc.) + * + * @see patch() + * @see setPatchesToUse() + */ + int loadPatch (int pgm); + + /** + * Returns p if the patch with number p has been correctly loaded. + * In the case it hasn't been loaded, it returns the number of another patch + * that is loaded and that should be used instead. + * + * @see loadPatch() + * @see setPatchesToUse() + */ + int patch(int p); + + private: + static const char *GUS_patches_directory; + static int delete_GUS_patches_directory; + + public: + /** + * Sets the directory where the GUS patches are stored, that is, where the + * acpiano.pat, ... 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 setGUSPatchesDirectory(const char *dir); + +}; + +#endif |