[FFmpeg-cvslog] avutil/random_seed: Reduce the time needed on systems with very low precission clock()
Michael Niedermayer
git at videolan.org
Sat Dec 24 15:47:25 EET 2016
ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Sat Dec 24 14:26:41 2016 +0100| [c4152fc42e480c41efb7f761b1bbe5f0bc43d5bc] | committer: Michael Niedermayer
avutil/random_seed: Reduce the time needed on systems with very low precission clock()
This should fix issues on BSD
CLOCKS_PER_SEC is 128 on BSD while SUSv2 requires it to be a million
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c4152fc42e480c41efb7f761b1bbe5f0bc43d5bc
---
libavutil/random_seed.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavutil/random_seed.c b/libavutil/random_seed.c
index 179fb23..0c58c8f 100644
--- a/libavutil/random_seed.c
+++ b/libavutil/random_seed.c
@@ -87,7 +87,7 @@ static uint32_t get_generic_seed(void)
for (;;) {
clock_t t = clock();
- if (last_t + 2*last_td + 1 >= t) {
+ if (last_t + 2*last_td + (CLOCKS_PER_SEC > 1000) >= t) {
last_td = t - last_t;
buffer[i & 511] = 1664525*buffer[i & 511] + 1013904223 + (last_td % 3294638521U);
} else {
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