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| Rev | Author | Line No. | Line |
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| 4349 | Serge | 1 | /* |
| 2 | * Copyright (c) 2009 Baptiste Coudurier |
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| 3 | * |
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| 4 | * This file is part of FFmpeg. |
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| 5 | * |
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| 6 | * FFmpeg is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU Lesser General Public |
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| 8 | * License as published by the Free Software Foundation; either |
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| 9 | * version 2.1 of the License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * FFmpeg is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | * Lesser General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU Lesser General Public |
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| 17 | * License along with FFmpeg; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 19 | */ |
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| 20 | |||
| 21 | #ifndef AVUTIL_RANDOM_SEED_H |
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| 22 | #define AVUTIL_RANDOM_SEED_H |
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| 23 | |||
| 24 | #include |
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| 25 | /** |
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| 26 | * @addtogroup lavu_crypto |
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| 27 | * @{ |
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| 28 | */ |
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| 29 | |||
| 30 | /** |
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| 31 | * Get a seed to use in conjunction with random functions. |
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| 32 | * This function tries to provide a good seed at a best effort bases. |
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| 33 | * Its possible to call this function multiple times if more bits are needed. |
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| 34 | * It can be quite slow, which is why it should only be used as seed for a faster |
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| 35 | * PRNG. The quality of the seed depends on the platform. |
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| 36 | */ |
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| 37 | uint32_t av_get_random_seed(void); |
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| 38 | |||
| 39 | /** |
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| 40 | * @} |
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| 41 | */ |
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| 42 | |||
| 43 | #endif /* AVUTIL_RANDOM_SEED_H */ |