[Ffmpeg-cvslog] r7190 - trunk/libavcodec/vc1.c

[kostya]

Author: kostya
Date: Fri Dec  1 08:24:56 2006
New Revision: 7190

Modified:
   trunk/libavcodec/vc1.c

Log:
100l FastUVMC rounding was incorrect.
This should also improve quality on WMV9Drifting.asf


Modified: trunk/libavcodec/vc1.c
==============================================================================
--- trunk/libavcodec/vc1.c	(original)
+++ trunk/libavcodec/vc1.c	Fri Dec  1 08:24:56 2006
@@ -879,8 +879,8 @@
     }
 
     if(v->fastuvmc) {
-        uvmx = uvmx + ((uvmx<0)?(uvmx&1):-(uvmx&1));
-        uvmy = uvmy + ((uvmy<0)?(uvmy&1):-(uvmy&1));
+        uvmx = uvmx + ((uvmx<0)?-(uvmx&1):(uvmx&1));
+        uvmy = uvmy + ((uvmy<0)?-(uvmy&1):(uvmy&1));
     }
 
     if(s->mspel) {
@@ -1103,8 +1103,8 @@
     }
 
     if(v->fastuvmc) {
-        uvmx = uvmx + ((uvmx<0)?(uvmx&1):-(uvmx&1));
-        uvmy = uvmy + ((uvmy<0)?(uvmy&1):-(uvmy&1));
+        uvmx = uvmx + ((uvmx<0)?-(uvmx&1):(uvmx&1));
+        uvmy = uvmy + ((uvmy<0)?-(uvmy&1):(uvmy&1));
     }
 
     /* Chroma MC always uses qpel bilinear */
@@ -2124,8 +2124,8 @@
     }
 
     if(v->fastuvmc) {
-        uvmx = uvmx + ((uvmx<0)?(uvmx&1):-(uvmx&1));
-        uvmy = uvmy + ((uvmy<0)?(uvmy&1):-(uvmy&1));
+        uvmx = uvmx + ((uvmx<0)?-(uvmx&1):(uvmx&1));
+        uvmy = uvmy + ((uvmy<0)?-(uvmy&1):(uvmy&1));
     }
 
     mx >>= 1;