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Simplify initialization of a few direct mode related variables.

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Originally committed as revision 15377 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-09-21 23:46:59 +00:00
parent 1b6e8b734c
commit a0ad40832f
1 changed files with 0 additions and 2 deletions
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libavcodec/h264.c
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@ -987,14 +987,12 @@ static inline void pred_direct_motion(H264Context * const h, int *mb_type){
#define MB_TYPE_16x16_OR_INTRA (MB_TYPE_16x16|MB_TYPE_INTRA4x4|MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM)
if(IS_INTERLACED(h->ref_list[1][0].mb_type[mb_xy])){ // AFL/AFR/FR/FL -> AFL/FL
if(h->ref_list[1][0].reference == PICT_FRAME){ // AFL/AFR/FR/FL -> AFL
if(!IS_INTERLACED(*mb_type)){ // AFR/FR -> AFL
int cur_poc = s->current_picture_ptr->poc;
int *col_poc = h->ref_list[1]->field_poc;
int col_parity = FFABS(col_poc[0] - cur_poc) >= FFABS(col_poc[1] - cur_poc);
mb_xy= s->mb_x + ((s->mb_y&~1) + col_parity)*s->mb_stride;
b8_stride = 0;
}
}else if(!(s->picture_structure & h->ref_list[1][0].reference)){// FL -> FL & differ parity
int fieldoff= 2*(h->ref_list[1][0].reference)-3;
mb_xy += s->mb_stride*fieldoff;