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
|
/*
* CCITT Fax Group 3 and 4 decompression
* Copyright (c) 2008 Konstantin Shishkov
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* CCITT Fax Group 3 and 4 decompression
* @author Konstantin Shishkov
*/
#ifndef AVCODEC_FAXCOMPR_H
#define AVCODEC_FAXCOMPR_H
#include "avcodec.h"
#include "tiff.h"
/**
* initialize upacker code
*/
void ff_ccitt_unpack_init(void);
/**
* unpack data compressed with CCITT Group 3 1/2-D or Group 4 method
*/
int ff_ccitt_unpack(AVCodecContext *avctx,
const uint8_t *src, int srcsize,
uint8_t *dst, int height, int stride,
enum TiffCompr compr, int opts);
#endif /* AVCODEC_FAXCOMPR_H */
|
