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| author | Diego Biurrun <diego@biurrun.de> | 2009-04-10 17:12:36 +0000 |
|---|---|---|
| committer | Diego Biurrun <diego@biurrun.de> | 2009-04-10 17:12:36 +0000 |
| commit | cc7b62afd2d9b9f3f37f93536a8e69c627f81409 (patch) | |
| tree | e53c3be76887570d8d580d84a3588771b0e0df2d | |
| parent | a2085cccfa4aaf21596443b7a78adde1da359a39 (diff) | |
| download | ffmpeg-cc7b62afd2d9b9f3f37f93536a8e69c627f81409.tar.gz | |
Replace rand() usage by av_lfg_get().
Originally committed as revision 18420 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavformat/timefilter.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/libavformat/timefilter.c b/libavformat/timefilter.c index 34672b71a1..4a582242ec 100644 --- a/libavformat/timefilter.c +++ b/libavformat/timefilter.c @@ -76,9 +76,12 @@ double ff_timefilter_update(TimeFilter *self, double system_time, double period) } #ifdef TEST -#undef rand +#include "libavutil/lfg.h" +#define LFG_MAX ((1LL << 32) - 1) + int main(void) { + AVLFG prng; double n0,n1; #define SAMPLES 1000 double ideal[SAMPLES]; @@ -96,10 +99,11 @@ int main(void) double bestpar1=0.001; int better, i; - srandom(123); + av_lfg_init(&prng, 123); for(i=0; i<SAMPLES; i++){ ideal[i] = 10 + i + n1*i/(1000); - samples[i]= ideal[i] + n0*(rand()-RAND_MAX/2)/(RAND_MAX*10LL); + samples[i] = ideal[i] + n0 * (av_lfg_get(&prng) - LFG_MAX / 2) + / (LFG_MAX * 10LL); } do{ |