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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/* 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.
*
* $URL$
* $Id$
*
*/
/*
* This code is based on original Hugo Trilogy source code
*
* Copyright (c) 1989-1995 David P. Gray
*
*/
#ifndef HUGO_SOUND_H
#define HUGO_SOUND_H
#include "sound/mixer.h"
#include "sound/mididrv.h"
#include "sound/midiparser.h"
namespace Hugo {
class MidiPlayer : public MidiDriver {
public:
enum {
NUM_CHANNELS = 16
};
MidiPlayer(MidiDriver *driver);
~MidiPlayer();
void play(uint8 *stream, uint16 size);
void stop();
void pause(bool p);
void updateTimer();
void adjustVolume(int diff);
void setChannelVolume(int channel);
void setVolume(int volume);
void syncVolume();
int getVolume() const { return _masterVolume; }
void setLooping(bool loop) { _isLooping = loop; }
// MidiDriver interface
int open();
void close();
void send(uint32 b);
void metaEvent(byte type, byte *data, uint16 length);
void setTimerCallback(void *timerParam, void (*timerProc)(void *)) { }
uint32 getBaseTempo() { return _driver ? _driver->getBaseTempo() : 0; }
MidiChannel *allocateChannel() { return 0; }
MidiChannel *getPercussionChannel() { return 0; }
private:
static void timerCallback(void *p);
MidiDriver *_driver;
MidiParser *_parser;
uint8 *_midiData;
bool _isLooping;
bool _isPlaying;
bool _paused;
int _masterVolume;
MidiChannel *_channelsTable[NUM_CHANNELS];
uint8 _channelsVolume[NUM_CHANNELS];
Common::Mutex _mutex;
};
class SoundHandler {
public:
SoundHandler(HugoEngine *vm);
~SoundHandler();
void toggleMusic();
void toggleSound();
void setMusicVolume();
void playMusic(int16 tune);
void playSound(int16 sound, stereo_t channel, byte priority);
void initSound();
private:
HugoEngine *_vm;
Audio::SoundHandle _soundHandle;
MidiPlayer *_midiPlayer;
void stopSound();
void stopMusic();
void playMIDI(sound_pt seq_p, uint16 size);
};
} // End of namespace Hugo
#endif //HUGO_SOUND_H
|
