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
|
/*
* RLE encoder
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef RLE_H
#define RLE_H
/**
* RLE compress the row, with maximum size of out_size. Value before repeated bytes is (count ^ xor) + add.
* @param outbuf Output buffer
* @param out_size Maximum output size
* @param ptr Input buffer
* @param bpp Bytes per pixel
* @param w Image width
* @return Size of output in bytes, or -1 if larger than out_size
*/
int ff_rle_encode(uint8_t *outbuf, int out_size, const uint8_t *inbuf, int bpp, int w, int8_t add, uint8_t xor);
#endif /* RLE_H */
|
