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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
// Music class
#ifndef M4_MIDI_H
#define M4_MIDI_H
#include "audio/mididrv.h"
#include "audio/midiparser.h"
#include "common/mutex.h"
namespace M4 {
class MidiPlayer : public MidiDriver {
public:
MidiPlayer(MadsM4Engine *vm, MidiDriver *driver);
~MidiPlayer();
bool isPlaying() { return _isPlaying; }
void setVolume(int volume);
int getVolume() { return _masterVolume; }
void setNativeMT32(bool b) { _nativeMT32 = b; }
bool hasNativeMT32() { return _nativeMT32; }
void playMusic(const char *name, int32 vol, bool loop, int32 trigger, int32 scene);
void stopMusic();
void setPassThrough(bool b) { _passThrough = b; }
void setGM(bool isGM) { _isGM = isGM; }
//MidiDriver interface implementation
int open();
void close();
void send(uint32 b);
void metaEvent(byte type, byte *data, uint16 length);
void setTimerCallback(void *timerParam, void (*timerProc)(void *)) { }
uint32 getBaseTempo() { return _driver ? _driver->getBaseTempo() : 0; }
//Channel allocation functions
MidiChannel *allocateChannel() { return 0; }
MidiChannel *getPercussionChannel() { return 0; }
protected:
static void onTimer(void *data);
MadsM4Engine *_vm;
byte *_midiData;
MidiChannel *_channel[16];
MidiDriver *_driver;
MidiParser *_parser;
byte _channelVolume[16];
bool _nativeMT32;
bool _isGM;
bool _passThrough;
bool _isPlaying;
bool _randomLoop;
byte _masterVolume;
byte *_musicData;
uint16 *_buf;
size_t _musicDataSize;
Common::Mutex _mutex;
byte *convertHMPtoSMF(byte *data, uint32 inSize, uint32 &outSize);
};
} // End of namespace M4
#endif
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