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authorFox Caminiti <fox@foxcam.net>2022-12-16 20:16:43 -0500
committerFox Caminiti <fox@foxcam.net>2022-12-16 20:16:43 -0500
commitbedd6906eabdd513042d6a178d4dc56a3a41d1d3 (patch)
tree2bcbd3e46ae61e583707a2ccc5b3f5cfeacb61a8 /dependencies/include/libavutil/random_seed.h
parentcdb9e1f7240cb0716b7d99df5e1fd7c3fc3407a8 (diff)
v3, file/build organization
Diffstat (limited to 'dependencies/include/libavutil/random_seed.h')
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diff --git a/dependencies/include/libavutil/random_seed.h b/dependencies/include/libavutil/random_seed.h
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+/*
+ * 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 */