|
2134
|
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 * @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 out buffer (including the
|
|
|
50 * null terminator), must be at least AV_BASE64_SIZE(in_size)
|
|
|
51 * @param in input buffer containing the data to encode
|
|
|
52 * @param in_size size in bytes of the in buffer
|
|
|
53 * @return out or NULL in case of error
|
|
|
54 */
|
|
|
55 char *av_base64_encode(char *out, int out_size, const uint8_t *in, int in_size);
|
|
|
56
|
|
|
57 /**
|
|
|
58 * Calculate the output size needed to base64-encode x bytes to a
|
|
|
59 * null-terminated string.
|
|
|
60 */
|
|
|
61 #define AV_BASE64_SIZE(x) (((x)+2) / 3 * 4 + 1)
|
|
|
62
|
|
|
63 /**
|
|
|
64 * @}
|
|
|
65 */
|
|
|
66
|
|
|
67 #endif /* AVUTIL_BASE64_H */
|
