repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
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 */ |