mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-25 03:07:06 +00:00
121 lines
3.2 KiB
C++
121 lines
3.2 KiB
C++
/* 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.
|
|
*
|
|
*/
|
|
|
|
#ifndef AGOS_MIDI_H
|
|
#define AGOS_MIDI_H
|
|
|
|
#include "audio/mididrv.h"
|
|
#include "audio/midiparser.h"
|
|
#include "common/mutex.h"
|
|
|
|
namespace Common {
|
|
class File;
|
|
}
|
|
|
|
namespace AGOS {
|
|
|
|
struct MusicInfo {
|
|
MidiParser *parser;
|
|
byte *data;
|
|
byte num_songs; // For Type 1 SMF resources
|
|
byte *songs[16]; // For Type 1 SMF resources
|
|
uint32 song_sizes[16]; // For Type 1 SMF resources
|
|
|
|
MidiChannel *channel[16]; // Dynamic remapping of channels to resolve conflicts
|
|
byte volume[16]; // Current channel volume
|
|
|
|
MusicInfo() { clear(); }
|
|
void clear() {
|
|
parser = 0; data = 0; num_songs = 0;
|
|
memset(songs, 0, sizeof(songs));
|
|
memset(song_sizes, 0, sizeof(song_sizes));
|
|
memset(channel, 0, sizeof(channel));
|
|
}
|
|
};
|
|
|
|
class MidiPlayer : public MidiDriver_BASE {
|
|
protected:
|
|
Common::Mutex _mutex;
|
|
MidiDriver *_driver;
|
|
bool _map_mt32_to_gm;
|
|
bool _nativeMT32;
|
|
|
|
MusicInfo _music;
|
|
MusicInfo _sfx;
|
|
MusicInfo *_current; // Allows us to establish current context for operations.
|
|
|
|
// These are maintained for both music and SFX
|
|
byte _masterVolume; // 0-255
|
|
byte _musicVolume;
|
|
byte _sfxVolume;
|
|
bool _paused;
|
|
|
|
// These are only used for music.
|
|
byte _currentTrack;
|
|
bool _loopTrack;
|
|
byte _queuedTrack;
|
|
bool _loopQueuedTrack;
|
|
|
|
protected:
|
|
static void onTimer(void *data);
|
|
void clearConstructs();
|
|
void clearConstructs(MusicInfo &info);
|
|
void resetVolumeTable();
|
|
|
|
public:
|
|
bool _enable_sfx;
|
|
|
|
public:
|
|
MidiPlayer();
|
|
virtual ~MidiPlayer();
|
|
|
|
void loadSMF(Common::File *in, int song, bool sfx = false);
|
|
void loadMultipleSMF(Common::File *in, bool sfx = false);
|
|
void loadXMIDI(Common::File *in, bool sfx = false);
|
|
void loadS1D(Common::File *in, bool sfx = false);
|
|
|
|
bool hasNativeMT32() const { return _nativeMT32; }
|
|
void setLoop(bool loop);
|
|
void startTrack(int track);
|
|
void queueTrack(int track, bool loop);
|
|
bool isPlaying(bool check_queued = false) { return (_currentTrack != 255 && (_queuedTrack != 255 || !check_queued)); }
|
|
|
|
void stop();
|
|
void pause(bool b);
|
|
|
|
int getMusicVolume() const { return _musicVolume; }
|
|
int getSFXVolume() const { return _sfxVolume; }
|
|
void setVolume(int musicVol, int sfxVol);
|
|
|
|
public:
|
|
int open(int gameType);
|
|
|
|
// MidiDriver_BASE interface implementation
|
|
virtual void send(uint32 b);
|
|
virtual void metaEvent(byte type, byte *data, uint16 length);
|
|
|
|
};
|
|
|
|
} // End of namespace AGOS
|
|
|
|
#endif
|