[FFmpeg-cvslog] av_d2q: fix rounding for negative values

Michael Niedermayer git at videolan.org
Sat May 25 16:04:26 CEST 2013


ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sat May 25 15:38:07 2013 +0200| [64eacb839e0d1bde1b55d94d2ff5477d497e6d75] | committer: Michael Niedermayer

av_d2q: fix rounding for negative values

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=64eacb839e0d1bde1b55d94d2ff5477d497e6d75
---

 libavutil/rational.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavutil/rational.c b/libavutil/rational.c
index 5b9b86f..912abc3 100644
--- a/libavutil/rational.c
+++ b/libavutil/rational.c
@@ -114,7 +114,7 @@ AVRational av_d2q(double d, int max)
         return (AVRational) { d < 0 ? -1 : 1, 0 };
     exponent = FFMAX( (int)(log(fabs(d) + 1e-20)/LOG2), 0);
     den = 1LL << (61 - exponent);
-    av_reduce(&a.num, &a.den, (int64_t)(d * den + 0.5), den, max);
+    av_reduce(&a.num, &a.den, llrint(d * den), den, max);
 
     return a;
 }



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