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