1 /* |
|
2 * Copyright (c) 2006 Ryan Martell. (rdm4@martellventures.com) |
|
3 * |
|
4 * This file is part of Libav. |
|
5 * |
|
6 * Libav 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 * Libav 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 Libav; 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 * @defgroup lavu_base64 Base64 |
|
28 * @ingroup lavu_crypto |
|
29 * @{ |
|
30 */ |
|
31 |
|
32 |
|
33 /** |
|
34 * Decode a base64-encoded string. |
|
35 * |
|
36 * @param out buffer for decoded data |
|
37 * @param in null-terminated input string |
|
38 * @param out_size size in bytes of the out buffer, must be at |
|
39 * least 3/4 of the length of in |
|
40 * @return number of bytes written, or a negative value in case of |
|
41 * invalid input |
|
42 */ |
|
43 int av_base64_decode(uint8_t *out, const char *in, int out_size); |
|
44 |
|
45 /** |
|
46 * Encode data to base64 and null-terminate. |
|
47 * |
|
48 * @param out buffer for encoded data |
|
49 * @param out_size size in bytes of the output buffer, must be at |
|
50 * least AV_BASE64_SIZE(in_size) |
|
51 * @param in_size size in bytes of the 'in' buffer |
|
52 * @return 'out' or NULL in case of error |
|
53 */ |
|
54 char *av_base64_encode(char *out, int out_size, const uint8_t *in, int in_size); |
|
55 |
|
56 /** |
|
57 * Calculate the output size needed to base64-encode x bytes. |
|
58 */ |
|
59 #define AV_BASE64_SIZE(x) (((x)+2) / 3 * 4 + 1) |
|
60 |
|
61 /** |
|
62 * @} |
|
63 */ |
|
64 |
|
65 #endif /* AVUTIL_BASE64_H */ |
|