[FFmpeg-cvslog] r10186 - trunk/libavcodec/snow.c

[michael]

Author: michael
Date: Wed Aug 22 19:26:49 2007
New Revision: 10186

Log:
simplify


Modified:
   trunk/libavcodec/snow.c

Modified: trunk/libavcodec/snow.c
==============================================================================
--- trunk/libavcodec/snow.c	(original)
+++ trunk/libavcodec/snow.c	Wed Aug 22 19:26:49 2007
@@ -775,7 +775,7 @@ static av_always_inline void liftS(DWTEL
     int i;
 
     assert(shift == 4);
-#define LIFTS(src, ref, inv) ((inv) ? (src) + (((ref) + 4*(src))>>shift): -((-16*4*(src) + 4*(ref) + add + 5 + (5<<27))/(5*16) - (1<<23)))
+#define LIFTS(src, ref, inv) ((inv) ? (src) + (((ref) + 4*(src))>>shift): -((-16*(src) + (ref) + add/4 + 1 + (5<<25))/(5*4) - (1<<23)))
     if(mirror_left){
         dst[0] = LIFTS(src[0], mul*2*ref[0]+add, inverse);
         dst += dst_step;