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exporting field_select/ref_index values

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Originally committed as revision 3035 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2004-04-19 03:33:23 +00:00
parent 8857a7ef32
commit 7c4f71c428
3 changed files with 16 additions and 10 deletions
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16
libavcodec/h263.c
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@ -577,12 +577,13 @@ int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my){
} else if(IS_INTERLACED(colocated_mb_type)){
s->mv_type = MV_TYPE_FIELD;
for(i=0; i<2; i++){
int field_select= s->next_picture.ref_index[0][s->block_index[2*i]];
if(s->top_field_first){
time_pp= s->pp_field_time - s->p_field_select_table[i][mb_index] + i;
time_pb= s->pb_field_time - s->p_field_select_table[i][mb_index] + i;
time_pp= s->pp_field_time - field_select + i;
time_pb= s->pb_field_time - field_select + i;
}else{
time_pp= s->pp_field_time + s->p_field_select_table[i][mb_index] - i;
time_pb= s->pb_field_time + s->p_field_select_table[i][mb_index] - i;
time_pp= s->pp_field_time + field_select - i;
time_pb= s->pb_field_time + field_select - i;
}
s->mv[0][i][0] = s->p_field_mv_table[i][0][mb_index][0]*time_pb/time_pp + mx;
s->mv[0][i][1] = s->p_field_mv_table[i][0][mb_index][1]*time_pb/time_pp + my;
@ -631,10 +632,13 @@ void ff_h263_update_motion_val(MpegEncContext * s){
for(i=0; i<2; i++){
s->p_field_mv_table[i][0][mb_xy][0]= s->mv[0][i][0];
s->p_field_mv_table[i][0][mb_xy][1]= s->mv[0][i][1];
s->p_field_select_table[i][mb_xy]= s->field_select[0][i];
}
s->current_picture.ref_index[0][xy ]=
s->current_picture.ref_index[0][xy + 1]= s->field_select[0][0];
s->current_picture.ref_index[0][xy + wrap ]=
s->current_picture.ref_index[0][xy + wrap + 1]= s->field_select[0][1];
}
/* no update if 8X8 because it has been done during parsing */
s->current_picture.motion_val[0][xy][0] = motion_x;
s->current_picture.motion_val[0][xy][1] = motion_y;