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Code Issues Releases Activity

Set partitioning to 16x16 for spatial direct MBs with mixed interlacing.

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11cylcles slower MV generation
98cycles faster MC

Originally committed as revision 21691 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2010-02-08 17:25:50 +00:00
parent 3babc711d8
commit 1be49ce54b
1 changed files with 4 additions and 0 deletions
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4
libavcodec/h264_direct.c
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@ -270,6 +270,7 @@ single_col:
}
if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col[0])){
int n=0;
for(i8=0; i8<4; i8++){
int x8 = i8&1;
int y8 = i8>>1;
@ -291,6 +292,7 @@ single_col:
a= pack16to32(mv[0][0],mv[0][1]);
if(ref[1] > 0)
b= pack16to32(mv[1][0],mv[1][1]);
n++;
}else{
a= pack16to32(mv[0][0],mv[0][1]);
b= pack16to32(mv[1][0],mv[1][1]);
@ -298,6 +300,8 @@ single_col:
fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, a, 4);
fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, b, 4);
}
if(!is_b8x8 && !(n&3))
*mb_type= (*mb_type & ~(MB_TYPE_8x8|MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_P1L0|MB_TYPE_P1L1))|MB_TYPE_16x16|MB_TYPE_DIRECT2;
}else if(IS_16X16(*mb_type)){
int a,b;