diff options
Diffstat (limited to 'libavutil/random.h')
| -rw-r--r-- | libavutil/random.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/libavutil/random.h b/libavutil/random.h index 25eaf58..1e10ae4 100644 --- a/libavutil/random.h +++ b/libavutil/random.h @@ -35,7 +35,14 @@ typedef struct { void av_init_random(unsigned int seed, AVRandomState *state); ///< to be inlined, the struct must be visible, so it doesn't make sense to try and keep it opaque with malloc/free like calls void av_random_generate_untempered_numbers(AVRandomState *state); ///< Regenerate the untempered numbers (must be done every 624 iterations, or it will loop) -/** generates a random number on [0,0xffffffff]-interval */ +/** + * generates a random number on [0,0xffffffff]-interval + * + * Please do NOT use the mersenne twister, it is slow, use the random generator + * from lfg.c/h or a simple LCG like state= state*1664525+1013904223. + * If you still choose to use MT, expect that you will have to provide + * some evidence that it makes a difference for the case where you use it. + */ static inline unsigned int av_random(AVRandomState *state) { unsigned int y; |
