get rid of the branch prediction

Originally committed as revision 17261 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago · 90509ec7bf
parent 4ec58e1397
commit 90509ec7bf
1 changed files with 4 additions and 8 deletions
--- a/libavcodec/mpegvideo_xvmc.c
+++ b/libavcodec/mpegvideo_xvmc.c
@ -226,14 +226,10 @@ void ff_xvmc_decode_mb(MpegEncContext *s)

 //set correct field references
        if (s->mv_type == MV_TYPE_FIELD || s->mv_type == MV_TYPE_16X8) {
-            if (s->field_select[0][0])
-                mv_block->motion_vertical_field_select |= 1;
-            if (s->field_select[1][0])
-                mv_block->motion_vertical_field_select |= 2;
-            if (s->field_select[0][1])
-                mv_block->motion_vertical_field_select |= 4;
-            if (s->field_select[1][1])
-                mv_block->motion_vertical_field_select |= 8;
+            mv_block->motion_vertical_field_select |= s->field_select[0][0];
+            mv_block->motion_vertical_field_select |= s->field_select[1][0]<<1;
+            mv_block->motion_vertical_field_select |= s->field_select[0][1]<<2;
+            mv_block->motion_vertical_field_select |= s->field_select[1][1]<<3;
        }
    }//!intra
 //time to handle data blocks;