s->current_picture.f.motion_val[dir][xy + 1][1] = motion_y;
s->current_picture.f.ref_index [dir][b8_xy ] =
s->current_picture.f.ref_index [dir][b8_xy + 1] = s->field_select[dir][i];
s->current_picture.f.motion_val[dir][xy + 1][1] = motion_y;
s->current_picture.f.ref_index [dir][b8_xy ] =
s->current_picture.f.ref_index [dir][b8_xy + 1] = s->field_select[dir][i];