-fn form_ref_list(ref_list: &mut Vec<Option<PictureInfo>>, ref_pics: &Vec<PictureInfo>, long_term: &Vec<Option<PictureInfo>>, reord_info: &ReorderingInfo, cur_id: u16, pic_num_mask: u16) {
+fn form_ref_list(ref_list: &mut Vec<Option<PictureInfo>>, ref_pics: &[PictureInfo], long_term: &[Option<PictureInfo>], reord_info: &ReorderingInfo, cur_id: u16, pic_num_mask: u16) {