e3152ebbd26e9ec6d33bc12d37ad293722f9a382
[libav.git] / libavutil / base64.h
1 /*
2 * Copyright (c) 2006 Ryan Martell. (rdm4@martellventures.com)
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 AVUTIL_BASE64_H
22 #define AVUTIL_BASE64_H
23
24 #include <stdint.h>
25
26 /**
27 * Decodes the base64-encoded string in \p in and puts the decoded
28 * data in \p out.
29 *
30 * @param out_size size in bytes of the \p out buffer, it should be at
31 * least 3/4 of the length of \p in
32 * @return the number of bytes written, or a negative value in case of
33 * error
34 */
35 int av_base64_decode(uint8_t *out, const char *in, int out_size);
36
37 /**
38 * Encodes in base64 the data in \p in and puts the resulting string
39 * in \p out.
40 *
41 * @param out_size size in bytes of the \p out string, it should be at
42 * least ((\p in_size + 2) / 3) * 4 + 1
43 * @param in_size size in bytes of the \p in buffer
44 * @return the string containing the encoded data, or NULL in case of
45 * error
46 */
47 char *av_base64_encode(char *out, int out_size, const uint8_t *in, int in_size);
48
49 #endif /* AVUTIL_BASE64_H */