[FFmpeg-soc] [soc]: r5610 - indeo5/ivi_common.h

[kostya]

Author: kostya
Date: Wed Jan 27 17:30:28 2010
New Revision: 5610

Log:
simplify IVI_TOSIGNED macro

Modified:
   indeo5/ivi_common.h

Modified: indeo5/ivi_common.h
==============================================================================
--- indeo5/ivi_common.h	Wed Jan 27 17:30:06 2010	(r5609)
+++ indeo5/ivi_common.h	Wed Jan 27 17:30:28 2010	(r5610)
@@ -183,7 +183,7 @@ static inline int ivi_pic_config_cmp(IVI
 
 /** convert unsigned values into signed ones (the sign is in the LSB) */
 /* TODO: find a way to calculate this without the conditional using bit magic */
-#define IVI_TOSIGNED(val) (((val) & 1) ? ((val) + 1) >> 1 : -(((val) + 1) >> 1))
+#define IVI_TOSIGNED(val) (-(((val) >> 1) ^ -((val) & 1)))
 
 /** scales motion vector */
 static inline int ivi_scale_mv(int mv, int mv_scale)