Commit | Line | Data |
---|---|---|
2ba45a60 DM |
1 | /* |
2 | * GIF format definitions | |
3 | * Copyright (c) 2003 Fabrice Bellard | |
4 | * Copyright (c) 2006 Baptiste Coudurier | |
5 | * Copyright (c) 2012 Vitaliy E Sugrobov | |
6 | * | |
7 | * This file is part of FFmpeg. | |
8 | * | |
9 | * FFmpeg is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU Lesser General Public | |
11 | * License as published by the Free Software Foundation; either | |
12 | * version 2.1 of the License, or (at your option) any later version. | |
13 | * | |
14 | * FFmpeg is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * Lesser General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU Lesser General Public | |
20 | * License along with FFmpeg; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
22 | */ | |
23 | ||
24 | /** | |
25 | * @file | |
26 | * GIF format definitions. | |
27 | */ | |
28 | ||
29 | #ifndef AVCODEC_GIFDEFS_H | |
30 | #define AVCODEC_GIFDEFS_H | |
31 | ||
32 | #include <stdint.h> | |
33 | ||
34 | static const uint8_t gif87a_sig[6] = "GIF87a"; | |
35 | static const uint8_t gif89a_sig[6] = "GIF89a"; | |
36 | ||
37 | #define GCE_DISPOSAL_NONE 0 | |
38 | #define GCE_DISPOSAL_INPLACE 1 | |
39 | #define GCE_DISPOSAL_BACKGROUND 2 | |
40 | #define GCE_DISPOSAL_RESTORE 3 | |
41 | ||
42 | #define GIF_TRAILER 0x3b | |
43 | #define GIF_EXTENSION_INTRODUCER 0x21 | |
44 | #define GIF_IMAGE_SEPARATOR 0x2c | |
45 | #define GIF_GCE_EXT_LABEL 0xf9 | |
46 | #define GIF_APP_EXT_LABEL 0xff | |
47 | #define NETSCAPE_EXT_STR "NETSCAPE2.0" | |
48 | ||
49 | #endif /* AVCODEC_GIFDEFS_H */ |