mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-23 10:19:27 +00:00
cb8378065d
- Changed Snd to be a permanent audiostream, to have better control over stopping, looping and compositions - Some clean-up svn-id: r25292
109 lines
2.9 KiB
C++
109 lines
2.9 KiB
C++
/* ScummVM - Scumm Interpreter
|
|
* Copyright (C) 2006 The ScummVM project
|
|
* Original ADL-Player source Copyright (C) 2004 by Patrick Combet aka Dorian Gray
|
|
*
|
|
* 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.
|
|
*
|
|
* $URL$
|
|
* $Id$
|
|
*
|
|
*/
|
|
|
|
#ifndef GOB_MUSIC_H
|
|
#define GOB_MUSIC_H
|
|
|
|
#include "sound/audiostream.h"
|
|
#include "sound/mixer.h"
|
|
#include "sound/fmopl.h"
|
|
#include "common/mutex.h"
|
|
|
|
#include "gob/gob.h"
|
|
#include "gob/util.h"
|
|
|
|
namespace Gob {
|
|
|
|
class GobEngine;
|
|
|
|
class Adlib : public Audio::AudioStream {
|
|
public:
|
|
Adlib(GobEngine *vm);
|
|
~Adlib();
|
|
|
|
void lock() { _mutex.lock(); }
|
|
void unlock() { _mutex.unlock(); }
|
|
bool playing() const { return _playing; }
|
|
bool getRepeating(void) const { return _repCount != 0; }
|
|
void setRepeating (int32 repCount) { _repCount = repCount; }
|
|
int getIndex(void) const { return _index; }
|
|
virtual void startPlay(void) { if (_data) _playing = true; }
|
|
virtual void stopPlay(void)
|
|
{
|
|
Common::StackLock slock(_mutex);
|
|
_playing = false;
|
|
}
|
|
virtual void playTrack(const char *trackname);
|
|
virtual void playBgMusic(void);
|
|
virtual bool load(const char *filename);
|
|
virtual void load(byte *data, int index=-1);
|
|
virtual void unload(void);
|
|
|
|
// AudioStream API
|
|
int readBuffer(int16 *buffer, const int numSamples);
|
|
bool isStereo() const { return false; }
|
|
bool endOfData() const { return !_playing; }
|
|
bool endOfStream() const { return false; }
|
|
int getRate() const { return _rate; }
|
|
|
|
protected:
|
|
static const char *_tracks[][2];
|
|
static const char *_trackFiles[];
|
|
static const unsigned char _operators[];
|
|
static const unsigned char _volRegNums [];
|
|
Audio::SoundHandle _handle;
|
|
FM_OPL *_opl;
|
|
int _index;
|
|
byte *_data;
|
|
byte *_playPos;
|
|
uint32 _dataSize;
|
|
uint32 _rate;
|
|
short _freqs[25][12];
|
|
byte _notes[11];
|
|
byte _notCol[11];
|
|
byte _notLin[11];
|
|
bool _notOn[11];
|
|
byte _pollNotes[16];
|
|
int _samplesTillPoll;
|
|
int32 _repCount;
|
|
bool _playing;
|
|
bool _first;
|
|
bool _ended;
|
|
bool _needFree;
|
|
Common::Mutex _mutex;
|
|
GobEngine *_vm;
|
|
|
|
void writeOPL(byte reg, byte val);
|
|
void setFreqs(void);
|
|
void reset(void);
|
|
void setVoices();
|
|
void setVoice(byte voice, byte instr, bool set);
|
|
void setKey(byte voice, byte note, bool on, bool spec);
|
|
void setVolume(byte voice, byte volume);
|
|
void pollMusic(void);
|
|
};
|
|
|
|
} // End of namespace Gob
|
|
|
|
#endif
|