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avutil: elaborate documentation for av_get_random_seed

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This commit is contained in:
Reinhard Tartler 2011-06-30 20:44:46 +02:00
parent dafaef2fe1
commit 192bfbc1f1
1 changed files with 6 additions and 1 deletions
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7
libavutil/random_seed.h
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@ -24,7 +24,12 @@
#include <stdint.h>
/**
* Get a seed to use in conjunction with random functions.
* 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);