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| author | Michael Niedermayer <michaelni@gmx.at> | 2010-02-25 23:44:42 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2010-02-25 23:44:42 +0000 |
| commit | 358b5b1a5958fa12b841aefe09e5e81c7d8bd346 (patch) | |
| tree | c6210b5aa5107d8e34d04494ac13880e687c6c4c /libavcodec/h264_mvpred.h | |
| parent | f3a572ca146555e68c8100d27f948c7fcd4a4ce5 (diff) | |
| download | ffmpeg-358b5b1a5958fa12b841aefe09e5e81c7d8bd346.tar.gz | |
Get rid of mb2b8_xy and b8_stride, change arrays organized based on b8_stride to
ones based on mb_stride in h264.
about 20 cpu cycles faster overall per MB
Originally committed as revision 22065 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/h264_mvpred.h')
| -rw-r--r-- | libavcodec/h264_mvpred.h | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/libavcodec/h264_mvpred.h b/libavcodec/h264_mvpred.h index 4a6780a75e..a9bfa5adf7 100644 --- a/libavcodec/h264_mvpred.h +++ b/libavcodec/h264_mvpred.h @@ -43,15 +43,15 @@ static inline int fetch_diagonal_mv(H264Context *h, const int16_t **C, int i, in * make mbaff happy, so we can't move all this logic to fill_caches */ if(FRAME_MBAFF){ -#define SET_DIAG_MV(MV_OP, REF_OP, X4, Y4)\ - const int x4 = X4, y4 = Y4;\ - const int mb_type = mb_types[(x4>>2)+(y4>>2)*s->mb_stride];\ +#define SET_DIAG_MV(MV_OP, REF_OP, XY, Y4)\ + const int xy = XY, y4 = Y4;\ + const int mb_type = mb_types[xy+(y4>>2)*s->mb_stride];\ if(!USES_LIST(mb_type,list))\ return LIST_NOT_USED;\ - mv = s->current_picture_ptr->motion_val[list][x4 + y4*h->b_stride];\ + mv = s->current_picture_ptr->motion_val[list][h->mb2b_xy[xy]+3 + y4*h->b_stride];\ h->mv_cache[list][scan8[0]-2][0] = mv[0];\ h->mv_cache[list][scan8[0]-2][1] = mv[1] MV_OP;\ - return s->current_picture_ptr->ref_index[list][(x4>>1) + (y4>>1)*h->b8_stride] REF_OP; + return s->current_picture_ptr->ref_index[list][4*xy+1 + (y4&~1)] REF_OP; if(topright_ref == PART_NOT_AVAILABLE && i >= scan8[0]+8 && (i&7)==4 @@ -63,12 +63,13 @@ static inline int fetch_diagonal_mv(H264Context *h, const int16_t **C, int i, in if(!MB_FIELD && IS_INTERLACED(mb_types[h->left_mb_xy[0]])){ - SET_DIAG_MV(*2, >>1, s->mb_x*4-1, (s->mb_y|1)*4+(s->mb_y&1)*2+(i>>4)-1); + SET_DIAG_MV(*2, >>1, h->left_mb_xy[0]+s->mb_stride, (s->mb_y&1)*2+(i>>4)-1); + assert(h->left_mb_xy[0] == h->left_mb_xy[1]); } if(MB_FIELD && !IS_INTERLACED(mb_types[h->left_mb_xy[0]])){ // left shift will turn LIST_NOT_USED into PART_NOT_AVAILABLE, but that's OK. - SET_DIAG_MV(/2, <<1, s->mb_x*4-1, (s->mb_y&~1)*4 - 1 + ((i-scan8[0])>>3)*2); + SET_DIAG_MV(/2, <<1, h->left_mb_xy[i>=36], (- 1 + ((i-scan8[0])>>3)*2)&3); } } #undef SET_DIAG_MV |