yading@11: /*
yading@11:  * Copyright (c) 2009 Baptiste Coudurier <baptiste.coudurier@gmail.com>
yading@11:  *
yading@11:  * This file is part of FFmpeg.
yading@11:  *
yading@11:  * FFmpeg is free software; you can redistribute it and/or
yading@11:  * modify it under the terms of the GNU Lesser General Public
yading@11:  * License as published by the Free Software Foundation; either
yading@11:  * version 2.1 of the License, or (at your option) any later version.
yading@11:  *
yading@11:  * FFmpeg is distributed in the hope that it will be useful,
yading@11:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@11:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@11:  * Lesser General Public License for more details.
yading@11:  *
yading@11:  * You should have received a copy of the GNU Lesser General Public
yading@11:  * License along with FFmpeg; if not, write to the Free Software
yading@11:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@11:  */
yading@11: 
yading@11: #ifndef AVUTIL_RANDOM_SEED_H
yading@11: #define AVUTIL_RANDOM_SEED_H
yading@11: 
yading@11: #include <stdint.h>
yading@11: /**
yading@11:  * @addtogroup lavu_crypto
yading@11:  * @{
yading@11:  */
yading@11: 
yading@11: /**
yading@11:  * Get a seed to use in conjunction with random functions.
yading@11:  * This function tries to provide a good seed at a best effort bases.
yading@11:  * Its possible to call this function multiple times if more bits are needed.
yading@11:  * It can be quite slow, which is why it should only be used as seed for a faster
yading@11:  * PRNG. The quality of the seed depends on the platform.
yading@11:  */
yading@11: uint32_t av_get_random_seed(void);
yading@11: 
yading@11: /**
yading@11:  * @}
yading@11:  */
yading@11: 
yading@11: #endif /* AVUTIL_RANDOM_SEED_H */