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| author | Michael Niedermayer <michaelni@gmx.at> | 2010-02-08 13:05:24 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2010-02-08 13:05:24 +0000 |
| commit | 8b9eb2dfec0b0fd578be714bc4966901e14ba9c2 (patch) | |
| tree | 93243c490d06e8ebc3e608c36c4538b3c25ef366 /libavcodec/h264_direct.c | |
| parent | ecc0027bc6d58536b92003173b0e23504e828472 (diff) | |
| download | ffmpeg-8b9eb2dfec0b0fd578be714bc4966901e14ba9c2.tar.gz | |
Detect equal 4x4 blocks in spatial direct MBs.
19 cycles slower MV generation
575 cycles faster MC
Originally committed as revision 21689 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/h264_direct.c')
| -rw-r--r-- | libavcodec/h264_direct.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/libavcodec/h264_direct.c b/libavcodec/h264_direct.c index 8da890dbd3..ee8511fb30 100644 --- a/libavcodec/h264_direct.c +++ b/libavcodec/h264_direct.c @@ -345,7 +345,8 @@ single_col: if(ref[1] == 0) fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4); } - }else + }else{ + int m=0; for(i4=0; i4<4; i4++){ const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*b4_stride]; if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){ @@ -353,8 +354,12 @@ single_col: *(uint32_t*)h->mv_cache[0][scan8[i8*4+i4]] = 0; if(ref[1] == 0) *(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] = 0; + m++; } } + if(!(m&3)) + h->sub_mb_type[i8]+= MB_TYPE_16x16 - MB_TYPE_8x8; + } } } } |