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10l: bidir_refine didn't save the new mvs. also improve speed.

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Originally committed as revision 4832 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Loren Merritt 2006-01-09 02:08:12 +00:00
parent 62e60aed8d
commit 8bf755d4ff
1 changed files with 14 additions and 1 deletions
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15
libavcodec/motion_est.c
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@ -1636,6 +1636,12 @@ static inline int bidir_refine(MpegEncContext * s, int mb_x, int mb_y)
const int ymin= c->ymin<<shift;
const int xmax= c->xmax<<shift;
const int ymax= c->ymax<<shift;
uint8_t map[8][8][8][8];
memset(map,0,sizeof(map));
#define BIDIR_MAP(fx,fy,bx,by) \
map[(motion_fx+fx)&7][(motion_fy+fy)&7][(motion_bx+bx)&7][(motion_by+by)&7]
BIDIR_MAP(0,0,0,0) = 1;
fbmin= check_bidir_mv(s, motion_fx, motion_fy,
motion_bx, motion_by,
@ -1646,8 +1652,10 @@ static inline int bidir_refine(MpegEncContext * s, int mb_x, int mb_y)
if(s->avctx->bidir_refine){
int score, end;
#define CHECK_BIDIR(fx,fy,bx,by)\
if( (fx<=0 || motion_fx+fx<=xmax) && (fy<=0 || motion_fy+fy<=ymax) && (bx<=0 || motion_bx+bx<=xmax) && (by<=0 || motion_by+by<=ymax)\
if( !BIDIR_MAP(fx,fy,bx,by)\
&&(fx<=0 || motion_fx+fx<=xmax) && (fy<=0 || motion_fy+fy<=ymax) && (bx<=0 || motion_bx+bx<=xmax) && (by<=0 || motion_by+by<=ymax)\
&&(fx>=0 || motion_fx+fx>=xmin) && (fy>=0 || motion_fy+fy>=ymin) && (bx>=0 || motion_bx+bx>=xmin) && (by>=0 || motion_by+by>=ymin)){\
BIDIR_MAP(fx,fy,bx,by) = 1;\
score= check_bidir_mv(s, motion_fx+fx, motion_fy+fy, motion_bx+bx, motion_by+by, pred_fx, pred_fy, pred_bx, pred_by, 0, 16);\
if(score < fbmin){\
fbmin= score;\
@ -1696,6 +1704,11 @@ CHECK_BIDIR2(d,a,b,c)
}while(!end);
}
s->b_bidir_forw_mv_table[xy][0]= motion_fx;
s->b_bidir_forw_mv_table[xy][1]= motion_fy;
s->b_bidir_back_mv_table[xy][0]= motion_bx;
s->b_bidir_back_mv_table[xy][1]= motion_by;
return fbmin;
}