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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 SAGA_MUSIC_H
#define SAGA_MUSIC_H
#include "sound/mixer.h"
#include "sound/mididrv.h"
#include "sound/midiparser.h"
#include "sound/decoders/mp3.h"
#include "sound/decoders/vorbis.h"
#include "sound/decoders/flac.h"
#include "common/mutex.h"
namespace Saga {
enum MusicFlags {
MUSIC_NORMAL = 0,
MUSIC_LOOP = 0x0001,
MUSIC_DEFAULT = 0xffff
};
class MusicDriver : public MidiDriver {
public:
MusicDriver();
~MusicDriver();
void setVolume(int volume);
int getVolume() { return _masterVolume; }
bool isAdlib() { return _driverType == MT_ADLIB; }
bool isMT32() { return _driverType == MT_MT32 || _nativeMT32; }
void setGM(bool isGM) { _isGM = isGM; }
//MidiDriver interface implementation
int open() { return _driver->open(); }
void close() { _driver->close(); }
void send(uint32 b);
void metaEvent(byte type, byte *data, uint16 length) {}
void setTimerCallback(void *timerParam, void (*timerProc)(void *)) { _driver->setTimerCallback(timerParam, timerProc); }
uint32 getBaseTempo() { return _driver->getBaseTempo(); }
//Channel allocation functions
MidiChannel *allocateChannel() { return 0; }
MidiChannel *getPercussionChannel() { return 0; }
Common::Mutex _mutex;
protected:
static void onTimer(void *data);
MidiChannel *_channel[16];
MidiDriver *_driver;
MusicType _driverType;
byte _channelVolume[16];
bool _isGM;
bool _nativeMT32;
byte _masterVolume;
byte *_musicData;
uint16 *_buf;
size_t _musicDataSize;
};
class Music {
public:
Music(SagaEngine *vm, Audio::Mixer *mixer);
~Music();
bool isPlaying();
bool hasDigitalMusic() { return _digitalMusic; }
void play(uint32 resourceId, MusicFlags flags = MUSIC_DEFAULT);
void pause();
void resume();
void stop();
void setVolume(int volume, int time = 1);
int getVolume() { return _currentVolume; }
int32 *_songTable;
int _songTableLen;
private:
SagaEngine *_vm;
Audio::Mixer *_mixer;
MusicDriver *_driver;
Audio::SoundHandle _musicHandle;
uint32 _trackNumber;
int _targetVolume;
int _currentVolume;
int _currentVolumePercent;
bool _digitalMusic;
ResourceContext *_musicContext;
ResourceContext *_digitalMusicContext;
MidiParser *_parser;
byte *_midiMusicData;
static void musicVolumeGaugeCallback(void *refCon);
static void onTimer(void *refCon);
void musicVolumeGauge();
};
} // End of namespace Saga
#endif
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