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
|
/* 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.
*
*/
#ifndef VOYEUR_ANIMATION_H
#define VOYEUR_ANIMATION_H
#include "video/video_decoder.h"
#include "audio/audiostream.h"
#include "audio/mixer.h"
#include "common/list.h"
#include "common/rect.h"
#include "common/stream.h"
namespace Video {
/**
* Decoder for RL2 videos.
*
* Video decoder used in engines:
* - voyeur
*/
class RL2Decoder : public VideoDecoder {
class RL2FileHeader {
public:
uint32 _form;
uint32 _backSize;
uint32 _signature;
uint32 _dataSize;
int _numFrames;
int _method;
int _soundRate;
int _rate;
int _channels;
int _defSoundSize;
int _videoBase;
int _colorCount;
byte _palette[768];
uint32 *_frameOffsets;
int *_frameSoundSizes;
public:
RL2FileHeader();
~RL2FileHeader();
void load(Common::SeekableReadStream *stream);
bool isValid() const;
};
private:
Audio::Mixer::SoundType _soundType;
RL2FileHeader _header;
public:
RL2Decoder(Audio::Mixer::SoundType soundType = Audio::Mixer::kPlainSoundType);
virtual ~RL2Decoder();
bool loadStream(Common::SeekableReadStream *stream);
bool loadVideo(int videoId);
const Common::List<Common::Rect> *getDirtyRects() const;
void clearDirtyRects();
void copyDirtyRectsToBuffer(uint8 *dst, uint pitch);
Graphics::Surface *getVideoSurface();
private:
class RL2AudioTrack : public AudioTrack {
public:
RL2AudioTrack(const RL2FileHeader &header, Common::SeekableReadStream *stream,
Audio::Mixer::SoundType soundType);
~RL2AudioTrack();
void queueSound(Common::SeekableReadStream *stream, int size);
Audio::Mixer::SoundType getSoundType() const { return _soundType; }
protected:
Audio::AudioStream *getAudioStream() const;
private:
Audio::Mixer::SoundType _soundType;
const RL2FileHeader &_header;
Audio::QueuingAudioStream *_audStream;
Audio::QueuingAudioStream *createAudioStream();
};
class RL2VideoTrack : public VideoTrack {
public:
RL2VideoTrack(const RL2FileHeader &header, RL2AudioTrack *audioTrack,
Common::SeekableReadStream *stream);
~RL2VideoTrack();
bool endOfTrack() const;
bool isRewindable() const { return true; }
bool rewind();
uint16 getWidth() const;
uint16 getHeight() const;
Graphics::Surface *getSurface() { return _surface; }
Graphics::PixelFormat getPixelFormat() const;
int getCurFrame() const { return _curFrame; }
int getFrameCount() const { return _header._numFrames; }
uint32 getNextFrameStartTime() const { return _nextFrameStartTime; }
const Graphics::Surface *decodeNextFrame();
const byte *getPalette() const { _dirtyPalette = false; return _header._palette; }
bool hasDirtyPalette() const { return _dirtyPalette; }
const Common::List<Common::Rect> *getDirtyRects() const { return &_dirtyRects; }
void clearDirtyRects() { _dirtyRects.clear(); }
void copyDirtyRectsToBuffer(uint8 *dst, uint pitch);
private:
Common::SeekableReadStream *_fileStream;
const RL2FileHeader &_header;
RL2AudioTrack *_audioTrack;
Graphics::Surface *_surface;
Graphics::Surface *_backSurface;
mutable bool _dirtyPalette;
int _curFrame;
uint32 _videoBase;
uint32 *_frameOffsets;
uint32 _frameDelay;
uint32 _nextFrameStartTime;
Common::List<Common::Rect> _dirtyRects;
void copyFrame(uint8 *data);
void rl2DecodeFrameWithBackground();
void rl2DecodeFrameWithoutBackground(int screenOffset = -1);
};
};
} // End of namespace Video
#endif /* VOYEUR_ANIMATION_H */
|
