repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
1 | /* |
| 2 | * Copyright (c) 2009 Baptiste Coudurier <baptiste.coudurier@gmail.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_RANDOM_SEED_H | |
| 22 | #define AVUTIL_RANDOM_SEED_H | |
| 23 | ||
| 24 | #include <stdint.h> | |
| 25 | /** | |
| 26 | * @addtogroup lavu_crypto | |
| 27 | * @{ | |
| 28 | */ | |
| 29 | ||
| 30 | /** | |
| 31 | * Get a seed to use in conjunction with random functions. | |
| 32 | * This function tries to provide a good seed at a best effort bases. | |
| 33 | * Its possible to call this function multiple times if more bits are needed. | |
| 34 | * It can be quite slow, which is why it should only be used as seed for a faster | |
| 35 | * PRNG. The quality of the seed depends on the platform. | |
| 36 | */ | |
| 37 | uint32_t av_get_random_seed(void); | |
| 38 | ||
| 39 | /** | |
| 40 | * @} | |
| 41 | */ | |
| 42 | ||
| 43 | #endif /* AVUTIL_RANDOM_SEED_H */ |