/* * Copyright (c) 2009 Baptiste Coudurier <baptiste.coudurier@gmail.com> * * This file is part of FFmpeg. * * FFmpeg 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. * * FFmpeg 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 FFmpeg; 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 a seed to use in conjunction with random functions. * This function tries to provide a good seed at a best effort bases. * Its possible to call this function multiple times if more bits are needed. * It can be quite slow, which is why it should only be used as seed for a faster * PRNG. The quality of the seed depends on the platform. */ uint32_t av_get_random_seed(void); /** * @} */ #endif /* AVUTIL_RANDOM_SEED_H */