diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2010-02-08 16:23:05 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2010-02-08 16:23:05 +0000 |
| commit | 3babc711d84ae5ecf6d852c0003e75b16f4e5812 (patch) | |
| tree | 2f03b843cfd09d209846b8e92c62a6ebd9255f4c /libavcodec/h264_direct.c | |
| parent | 8b9eb2dfec0b0fd578be714bc4966901e14ba9c2 (diff) | |
Detect spatial direct MBs partitioned smaller than 16x16 that can be partitioned
as 16x16 (except ones changing interlacing relative to the colocated MB).
20 cycles slower during MV generation
175 cycles faster during MC
Originally committed as revision 21690 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/h264_direct.c')
| -rw-r--r-- | libavcodec/h264_direct.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/h264_direct.c b/libavcodec/h264_direct.c index ee8511fb30..a2f1e1d4eb 100644 --- a/libavcodec/h264_direct.c +++ b/libavcodec/h264_direct.c @@ -319,6 +319,7 @@ single_col: fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, a, 4); fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, b, 4); }else{ + int n=0; for(i8=0; i8<4; i8++){ const int x8 = i8&1; const int y8 = i8>>1; @@ -344,6 +345,7 @@ single_col: fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4); if(ref[1] == 0) fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4); + n+=4; } }else{ int m=0; @@ -359,9 +361,12 @@ single_col: } if(!(m&3)) h->sub_mb_type[i8]+= MB_TYPE_16x16 - MB_TYPE_8x8; + n+=m; } } } + if(!is_b8x8 && !(n&15)) + *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{ /* direct temporal mv pred */ const int *map_col_to_list0[2] = {h->map_col_to_list0[0], h->map_col_to_list0[1]}; |