1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/* ScummVM - Scumm Interpreter
* Copyright (C) 2003-2004 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 BSMUSIC_H
#define BSMUSIC_H
#include "scummsys.h"
#include "common/system.h"
#include "common/file.h"
#include "sound/audiostream.h"
#include "sound/rate.h"
class SoundMixer;
namespace Sword1 {
#define TOTAL_TUNES 270
#define WAVEHEADERSIZE 0x2C
class MusicHandle : public AudioStream {
private:
File _file;
bool _looping;
int32 _fading;
int32 _fadeSamples;
int _rate;
bool _stereo;
public:
MusicHandle() : _looping(false), _fading(0) {}
virtual int readBuffer(int16 *buffer, const int numSamples);
bool play(const char *filename, bool loop);
void stop();
void fadeUp();
void fadeDown();
bool streaming() const { return _file.isOpen(); }
int32 fading() { return _fading; }
bool endOfData() const;
bool endOfStream() const { return false; }
bool isStereo() const { return _stereo; }
int getRate() const { return _rate; }
};
class Music {
public:
Music(OSystem *system, SoundMixer *pMixer);
~Music();
void startMusic(int32 tuneId, int32 loopFlag);
void fadeDown();
void setVolume(uint8 volL, uint8 volR);
void giveVolume(uint8 *volL, uint8 *volR);
private:
st_volume_t _volumeL, _volumeR;
MusicHandle _handles[2];
RateConverter *_converter[2];
OSystem *_system;
SoundMixer *_mixer;
OSystem::MutexRef _mutex;
static void passMixerFunc(void *param, int16 *buf, uint len);
void mixer(int16 *buf, uint32 len);
static const char _tuneList[TOTAL_TUNES][8]; // in staticres.cpp
};
} // End of namespace Sword1
#endif // BSMUSIC_H
|
