mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-24 02:36:27 +00:00
124 lines
3.3 KiB
C++
124 lines
3.3 KiB
C++
/* ScummVM - Scumm Interpreter
|
|
* Copyright (C) 2001-2004 The ScummVM project
|
|
*
|
|
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*
|
|
* $Header$
|
|
*
|
|
*/
|
|
|
|
#ifndef SIMON_MIDI_H
|
|
#define SIMON_MIDI_H
|
|
|
|
#include "sound/mididrv.h"
|
|
#include "sound/midiparser.h"
|
|
|
|
class File;
|
|
class OSystem;
|
|
|
|
namespace Simon {
|
|
|
|
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 {
|
|
protected:
|
|
OSystem *_system;
|
|
OSystem::MutexRef _mutex;
|
|
MidiDriver *_driver;
|
|
bool _map_mt32_to_gm;
|
|
|
|
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
|
|
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 (OSystem *system);
|
|
virtual ~MidiPlayer();
|
|
|
|
void loadSMF (File *in, int song, bool sfx = false);
|
|
void loadMultipleSMF (File *in, bool sfx = false);
|
|
void loadXMIDI (File *in, bool sfx = false);
|
|
void loadS1D (File *in, bool sfx = false);
|
|
|
|
void mapMT32toGM (bool map);
|
|
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 get_volume() { return _masterVolume; }
|
|
void set_volume (int volume);
|
|
void set_driver (MidiDriver *md);
|
|
|
|
public:
|
|
// MidiDriver interface implementation
|
|
int open();
|
|
void close();
|
|
void send(uint32 b);
|
|
|
|
void metaEvent (byte type, byte *data, uint16 length);
|
|
|
|
// Timing functions - MidiDriver now operates timers
|
|
void setTimerCallback (void *timer_param, void (*timer_proc) (void *)) { }
|
|
uint32 getBaseTempo (void) { return _driver ? _driver->getBaseTempo() : 0; }
|
|
|
|
// Channel allocation functions
|
|
MidiChannel *allocateChannel() { return 0; }
|
|
MidiChannel *getPercussionChannel() { return 0; }
|
|
};
|
|
|
|
} // End of namespace Simon
|
|
|
|
#endif
|