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Port b4/b8_stride code from spatial direct mode to temporal. 

Fixes at least:
CAMANL3_Sand_E.264
camp_mot_picaff0_full.26l
CAPA1_TOSHIBA_B.264
CVPA1_TOSHIBA_B.264

Originally committed as revision 14546 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-08-05 00:15:15 +00:00
parent 42de393dcb
commit 8354477edc
1 changed files with 8 additions and 3 deletions
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11
libavcodec/h264.c
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@ -1161,6 +1161,8 @@ static inline void pred_direct_motion(H264Context * const h, int *mb_type){
/* FIXME assumes direct_8x8_inference == 1 */
const int pair_xy = s->mb_x + (s->mb_y&~1)*s->mb_stride;
int mb_types_col[2];
int b8_stride = h->b8_stride;
int b4_stride = h->b_stride;
int y_shift;
int ref_shift;
@ -1188,6 +1190,8 @@ static inline void pred_direct_motion(H264Context * const h, int *mb_type){
*mb_type |= MB_TYPE_16x8;
else
*mb_type |= MB_TYPE_8x8;
b8_stride *= 3;
b4_stride *= 6;
}else{
int cur_poc = s->current_picture_ptr->poc;
int *col_poc = h->ref_list[1]->field_poc;
@ -1207,6 +1211,7 @@ static inline void pred_direct_motion(H264Context * const h, int *mb_type){
*mb_type |= MB_TYPE_16x16;
else
*mb_type |= MB_TYPE_8x8;
b8_stride = 0;
}
for(i8=0; i8<4; i8++){
@ -1227,18 +1232,18 @@ static inline void pred_direct_motion(H264Context * const h, int *mb_type){
continue;
}
ref0 = l1ref0[x8 + (y8*2>>y_shift)*h->b8_stride];
ref0 = l1ref0[x8 + y8*b8_stride];
if(ref0 >= 0)
ref0 = map_col_to_list0[0][ref0*2>>ref_shift];
else{
ref0 = map_col_to_list0[1][l1ref1[x8 + (y8*2>>y_shift)*h->b8_stride]*2>>ref_shift];
ref0 = map_col_to_list0[1][l1ref1[x8 + y8*b8_stride]*2>>ref_shift];
l1mv= l1mv1;
}
scale = dist_scale_factor[ref0];
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
{
const int16_t *mv_col = l1mv[x8*3 + (y8*6>>y_shift)*h->b_stride];
const int16_t *mv_col = l1mv[x8*3 + y8*b4_stride];
int my_col = (mv_col[1]<<y_shift)/2;
int mx = (scale * mv_col[0] + 128) >> 8;
int my = (scale * my_col + 128) >> 8;