Statistics
| Branch: | Revision:

ffmpeg / libavutil / base64.h @ d112aa5a

History | View | Annotate | Download (1.83 KB)

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
 * Decode a base64-encoded string.
28
 *
29
 * @param out      buffer for decoded data
30
 * @param in       null-terminated input string
31
 * @param out_size size in bytes of the out buffer, must be at
32
 *                 least 3/4 of the length of in
33
 * @return         number of bytes written, or a negative value in case of
34
 *                 invalid input
35
 */
36
int av_base64_decode(uint8_t *out, const char *in, int out_size);
37

    
38
/**
39
 * Encode data to base64 and null-terminate.
40
 *
41
 * @param out      buffer for encoded data
42
 * @param out_size size in bytes of the output buffer, must be at
43
 *                 least AV_BASE64_SIZE(in_size)
44
 * @param in_size  size in bytes of the 'in' buffer
45
 * @return         'out' or NULL in case of error
46
 */
47
char *av_base64_encode(char *out, int out_size, const uint8_t *in, int in_size);
48

    
49
/**
50
 * Calculate the output size needed to base64-encode x bytes.
51
 */
52
#define AV_BASE64_SIZE(x)  (((x)+2) / 3 * 4 + 1)
53

    
54
#endif /* AVUTIL_BASE64_H */