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2ba45a60 DM |
1 | /* |
2 | * RLE encoder | |
3 | * | |
4 | * This file is part of FFmpeg. | |
5 | * | |
6 | * FFmpeg is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
9 | * version 2.1 of the License, or (at your option) any later version. | |
10 | * | |
11 | * FFmpeg is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with FFmpeg; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #ifndef AVCODEC_RLE_H | |
22 | #define AVCODEC_RLE_H | |
23 | ||
24 | #include <stdint.h> | |
25 | ||
26 | /** | |
27 | * RLE compress the row, with maximum size of out_size. Value before repeated bytes is (count ^ xor_rep) + add_rep. | |
28 | * Value before raw bytes is (count ^ xor_raw) + add_raw. | |
29 | * @param outbuf Output buffer | |
30 | * @param out_size Maximum output size | |
31 | * @param inbuf Input buffer | |
32 | * @param bpp Bytes per pixel | |
33 | * @param w Image width | |
34 | * @return Size of output in bytes, or -1 if larger than out_size | |
35 | */ | |
36 | int ff_rle_encode(uint8_t *outbuf, int out_size, const uint8_t *inbuf, int bpp, int w, | |
37 | int add_rep, int xor_rep, int add_raw, int xor_raw); | |
38 | ||
39 | #endif /* AVCODEC_RLE_H */ |