/usr/include/libavutil/random_seed.h is in libavutil-dev 4:0.8.17-0ubuntu0.12.04.2.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | /*
* Copyright (c) 2009 Baptiste Coudurier <baptiste.coudurier@gmail.com>
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_RANDOM_SEED_H
#define AVUTIL_RANDOM_SEED_H
#include <stdint.h>
/**
* @addtogroup lavu_crypto
* @{
*/
/**
* Get random data.
*
* This function can be called repeatedly to generate more random bits
* as needed. It is generally quite slow, and usually used to seed a
* PRNG. As it uses /dev/urandom and /dev/random, the quality of the
* returned random data depends on the platform.
*/
uint32_t av_get_random_seed(void);
/**
* @}
*/
#endif /* AVUTIL_RANDOM_SEED_H */
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