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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 upacker 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 */ |