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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
/* 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 GRAPHICS_AVI_PLAYER_H
#define GRAPHICS_AVI_PLAYER_H
#include "graphics/video/video_decoder.h"
#include "graphics/video/codecs/codec.h"
#include "sound/audiostream.h"
#include "sound/mixer.h"
namespace Graphics {
#define UNKNOWN_HEADER(a) error("Unknown header found -- \'%s\'", tag2str(a))
#define AUDIO_RATE (_audsHeader.rate / _audsHeader.scale)
// IDs used throughout the AVI files
// that will be handled by this player
#define ID_RIFF MKID_BE('RIFF')
#define ID_AVI MKID_BE('AVI ')
#define ID_LIST MKID_BE('LIST')
#define ID_HDRL MKID_BE('hdrl')
#define ID_AVIH MKID_BE('avih')
#define ID_STRL MKID_BE('strl')
#define ID_STRH MKID_BE('strh')
#define ID_VIDS MKID_BE('vids')
#define ID_AUDS MKID_BE('auds')
#define ID_MIDS MKID_BE('mids')
#define ID_TXTS MKID_BE('txts')
#define ID_JUNK MKID_BE('JUNK')
#define ID_STRF MKID_BE('strf')
#define ID_MOVI MKID_BE('movi')
#define ID_REC MKID_BE('rec ')
#define ID_VEDT MKID_BE('vedt')
#define ID_IDX1 MKID_BE('idx1')
#define ID_STRD MKID_BE('strd')
#define ID_00AM MKID_BE('00AM')
//#define ID_INFO MKID_BE('INFO')
// Codec tags
#define ID_RLE MKID_BE('RLE ')
#define ID_CRAM MKID_BE('CRAM')
#define ID_MSVC MKID_BE('msvc')
#define ID_WHAM MKID_BE('WHAM')
#define ID_CVID MKID_BE('cvid')
#define ID_IV32 MKID_BE('iv32')
struct BITMAPINFOHEADER {
uint32 size;
uint32 width;
uint32 height;
uint16 planes;
uint16 bitCount;
uint32 compression;
uint32 sizeImage;
uint32 xPelsPerMeter;
uint32 yPelsPerMeter;
uint32 clrUsed;
uint32 clrImportant;
};
struct WAVEFORMAT {
uint16 tag;
uint16 channels;
uint32 samplesPerSec;
uint32 avgBytesPerSec;
uint16 blockAlign;
};
struct PCMWAVEFORMAT : public WAVEFORMAT {
uint16 size;
};
struct WAVEFORMATEX : public WAVEFORMAT {
uint16 bitsPerSample;
uint16 size;
};
struct AVIOLDINDEX {
uint32 size;
struct Index {
uint32 id;
uint32 flags;
uint32 offset;
uint32 size;
} *indices;
};
// Index Flags
enum IndexFlags {
AVIIF_INDEX = 0x10
};
enum WaveFormats {
AVI_WAVE_INVALIDFORMAT = 0,
AVI_WAVE_FORMAT_PCM = 1,
AVI_WAVE_FORMAT_1M08 = 1,
AVI_WAVE_FORMAT_1S08 = 2,
AVI_WAVE_FORMAT_1M16 = 4,
AVI_WAVE_FORMAT_1S16 = 8,
AVI_WAVE_FORMAT_2M08 = 16,
AVI_WAVE_FORMAT_2S08 = 32,
AVI_WAVE_FORMAT_2M16 = 64,
AVI_WAVE_FORMAT_2S16 = 128,
AVI_WAVE_FORMAT_4M08 = 256,
AVI_WAVE_FORMAT_4S08 = 512,
AVI_WAVE_FORMAT_4M16 = 1024,
AVI_WAVE_FORMAT_4S16 = 2048
};
struct AVIHeader {
uint32 size;
uint32 microSecondsPerFrame;
uint32 maxBytesPerSecond;
uint32 padding;
uint32 flags;
uint32 totalFrames;
uint32 initialFrames;
uint32 streams;
uint32 bufferSize;
uint32 width;
uint32 height;
};
// Flags from the AVIHeader
enum AviFlags {
AVIF_HASINDEX = 0x00000010,
AVIF_MUSTUSEINDEX = 0x00000020,
AVIF_ISINTERLEAVED = 0x00000100,
AVIF_TRUSTCKTYPE = 0x00000800,
AVIF_WASCAPTUREFILE = 0x00010000,
AVIF_WASCOPYRIGHTED = 0x00020000
};
struct AVIStreamHeader {
uint32 size;
uint32 streamType;
uint32 streamHandler;
uint32 flags;
uint16 priority;
uint16 language;
uint32 initialFrames;
uint32 scale;
uint32 rate;
uint32 start;
uint32 length;
uint32 bufferSize;
uint32 quality;
uint32 sampleSize;
Common::Rect frame;
};
class AviDecoder : public FixedRateVideoDecoder {
public:
AviDecoder(Audio::Mixer *mixer,
Audio::Mixer::SoundType soundType = Audio::Mixer::kPlainSoundType);
virtual ~AviDecoder();
bool load(Common::SeekableReadStream *stream);
void close();
bool isVideoLoaded() const { return _fileStream != 0; }
uint16 getWidth() const { return _header.width; }
uint16 getHeight() const { return _header.height; }
uint32 getFrameCount() const { return _header.totalFrames; }
uint32 getElapsedTime() const;
Surface *decodeNextFrame();
PixelFormat getPixelFormat() const;
byte *getPalette() { _dirtyPalette = false; return _palette; }
bool hasDirtyPalette() const { return _dirtyPalette; }
protected:
Common::Rational getFrameRate() const { return Common::Rational(_vidsHeader.rate, _vidsHeader.scale); }
private:
Audio::Mixer *_mixer;
BITMAPINFOHEADER _bmInfo;
PCMWAVEFORMAT _wvInfo;
AVIOLDINDEX _ixInfo;
AVIHeader _header;
AVIStreamHeader _vidsHeader;
AVIStreamHeader _audsHeader;
byte _palette[3 * 256];
bool _dirtyPalette;
Common::SeekableReadStream *_fileStream;
bool _decodedHeader;
Codec *_videoCodec;
Codec *createCodec();
Audio::Mixer::SoundType _soundType;
void runHandle(uint32 tag);
void handleList();
void handleStreamHeader();
void handlePalChange();
Audio::SoundHandle *_audHandle;
Audio::QueuingAudioStream *_audStream;
Audio::QueuingAudioStream *createAudioStream();
};
} // End of namespace Graphics
#endif
|
