[FFmpeg-cvslog] r25283 - trunk/libavutil/rational.h

[michael]

Author: michael
Date: Fri Oct  1 14:00:29 2010
New Revision: 25283

Log:
Fix av_cmp_q() with negative denominators.

Modified:
   trunk/libavutil/rational.h

Modified: trunk/libavutil/rational.h
==============================================================================
--- trunk/libavutil/rational.h	Fri Oct  1 13:08:28 2010	(r25282)
+++ trunk/libavutil/rational.h	Fri Oct  1 14:00:29 2010	(r25283)
@@ -48,7 +48,7 @@ typedef struct AVRational{
 static inline int av_cmp_q(AVRational a, AVRational b){
     const int64_t tmp= a.num * (int64_t)b.den - b.num * (int64_t)a.den;
 
-    if(tmp) return (tmp>>63)|1;
+    if(tmp) return ((tmp ^ a.den ^ b.den)>>63)|1;
     else    return 0;
 }