blob: aa29a7ba9b0a52a6e7ea9c6b99cb291580d5f635
1 | /* |
2 | * CCITT Fax Group 3 and 4 decompression |
3 | * Copyright (c) 2008 Konstantin Shishkov |
4 | * |
5 | * This file is part of FFmpeg. |
6 | * |
7 | * FFmpeg is free software; you can redistribute it and/or |
8 | * modify it under the terms of the GNU Lesser General Public |
9 | * License as published by the Free Software Foundation; either |
10 | * version 2.1 of the License, or (at your option) any later version. |
11 | * |
12 | * FFmpeg is distributed in the hope that it will be useful, |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 | * Lesser General Public License for more details. |
16 | * |
17 | * You should have received a copy of the GNU Lesser General Public |
18 | * License along with FFmpeg; if not, write to the Free Software |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
20 | */ |
21 | |
22 | /** |
23 | * @file |
24 | * CCITT Fax Group 3 and 4 decompression |
25 | * @author Konstantin Shishkov |
26 | */ |
27 | #ifndef AVCODEC_FAXCOMPR_H |
28 | #define AVCODEC_FAXCOMPR_H |
29 | |
30 | #include "avcodec.h" |
31 | #include "tiff.h" |
32 | |
33 | /** |
34 | * initialize unpacker code |
35 | */ |
36 | void ff_ccitt_unpack_init(void); |
37 | |
38 | /** |
39 | * unpack data compressed with CCITT Group 3 1/2-D or Group 4 method |
40 | */ |
41 | int ff_ccitt_unpack(AVCodecContext *avctx, |
42 | const uint8_t *src, int srcsize, |
43 | uint8_t *dst, int height, int stride, |
44 | enum TiffCompr compr, int opts); |
45 | |
46 | #endif /* AVCODEC_FAXCOMPR_H */ |
47 |