[FFmpeg-cvslog] r14620 - trunk/libavcodec/h264.c

[michael]

Author: michael
Date: Tue Aug  5 13:17:23 2008
New Revision: 14620

Log:
simplify y_shift/ref_shift code


Modified:
   trunk/libavcodec/h264.c

Modified: trunk/libavcodec/h264.c
==============================================================================
--- trunk/libavcodec/h264.c	(original)
+++ trunk/libavcodec/h264.c	Tue Aug  5 13:17:23 2008
@@ -1173,17 +1173,8 @@ single_col:
         }
         if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col[0])){
             /* FIXME assumes direct_8x8_inference == 1 */
-            int y_shift;
-            int ref_shift;
-
-            if(IS_INTERLACED(*mb_type)){
-                /* frame to field scaling */
-                y_shift = 0;
-                ref_shift= FRAME_MBAFF ? 0 : 1;
-            }else{
-                y_shift = 2;
-                ref_shift= FRAME_MBAFF ? 2 : 1;
-            }
+            int y_shift  = 2*!IS_INTERLACED(*mb_type);
+            int ref_shift= FRAME_MBAFF ? y_shift : 1;
 
             for(i8=0; i8<4; i8++){
                 const int x8 = i8&1;