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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/* 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.
*
* $URL$
* $Id$
*
*/
#ifndef MOHAWK_SOUND_H
#define MOHAWK_SOUND_H
#include "common/scummsys.h"
#include "common/str.h"
#include "sound/audiostream.h"
#include "sound/decoders/adpcm.h"
#include "sound/mididrv.h"
#include "sound/midiparser.h"
#include "sound/mixer.h"
#include "mohawk/mohawk.h"
#include "mohawk/resource.h"
namespace Mohawk {
#define MAX_CHANNELS 2 // Can there be more than 2?
#define CUE_MAX 256
struct SLSTRecord {
uint16 index;
uint16 sound_count;
uint16 *sound_ids;
uint16 fade_flags;
uint16 loop;
uint16 global_volume;
uint16 u0;
uint16 u1;
uint16 *volumes;
int16 *balances;
uint16 *u2;
};
enum SndHandleType {
kFreeHandle,
kUsedHandle
};
struct SndHandle {
Audio::SoundHandle handle;
SndHandleType type;
uint16 id;
Common::String name;
};
struct SLSTSndHandle {
Audio::SoundHandle *handle;
uint16 id;
};
struct ADPC_Chunk { // Holds ADPCM status data, but is irrelevant for us.
uint32 size;
uint16 itemCount;
uint16 channels;
struct StatusItem {
uint32 sampleFrame;
uint32 channelStatus[MAX_CHANNELS];
} *statusItems;
};
struct Cue_Chunk {
uint32 size;
uint16 point_count;
struct {
uint32 position;
byte length;
Common::String name;
} cueList[CUE_MAX];
};
enum {
kCodecRaw = 0,
kCodecADPCM = 1,
kCodecMPEG2 = 2
};
struct Data_Chunk {
uint16 sample_rate;
uint32 sample_count;
byte bitsPerSample;
byte channels;
uint16 encoding;
uint16 loop;
uint32 loopStart;
uint32 loopEnd;
Common::SeekableReadStream *audio_data;
};
class MohawkEngine;
class Sound {
public:
Sound(MohawkEngine *vm);
~Sound();
Audio::SoundHandle *playSound(uint16 id, byte volume = Audio::Mixer::kMaxChannelVolume, bool loop = false);
Audio::SoundHandle *replaceSound(uint16 id, byte volume = Audio::Mixer::kMaxChannelVolume, bool loop = false);
void playSoundBlocking(uint16 id, byte volume = Audio::Mixer::kMaxChannelVolume);
void playMidi(uint16 id);
void stopSound();
void stopSound(uint16 id);
void pauseSound();
void resumeSound();
bool isPlaying(uint16 id);
void pauseBackground() {}; //TODO: implement
void resumeBackground() {};
// Riven-specific
void playSLST(uint16 index, uint16 card);
void playSLST(SLSTRecord slstRecord);
void pauseSLST();
void resumeSLST();
void stopAllSLST();
static byte convertRivenVolume(uint16 volume);
private:
MohawkEngine *_vm;
MidiDriver *_midiDriver;
MidiParser *_midiParser;
static Audio::AudioStream *makeMohawkWaveStream(Common::SeekableReadStream *stream);
static Audio::AudioStream *makeOldMohawkWaveStream(Common::SeekableReadStream *stream);
void initMidi();
Common::Array<SndHandle> _handles;
SndHandle *getHandle();
// Riven-specific
void playSLSTSound(uint16 index, bool fade, bool loop, uint16 volume, int16 balance);
void stopSLSTSound(uint16 id, bool fade);
Common::Array<SLSTSndHandle> _currentSLSTSounds;
};
} // End of namespace Mohawk
#endif
|