148         struct dpb_info_t *ps_unmark_node;  in ih264d_delete_lt_node()  local
153             ps_unmark_node = ps_next_dpb;  in ih264d_delete_lt_node()
166                 ps_unmark_node = ps_next_dpb->ps_prev_long;  in ih264d_delete_lt_node()
173                 if(ps_lt_node_to_insert != ps_unmark_node)  in ih264d_delete_lt_node()
179                     if(ps_unmark_node->s_top_field.u1_long_term_frame_idx  in ih264d_delete_lt_node()
182                         ps_unmark_node->s_top_field.u1_reference_info =  in ih264d_delete_lt_node()
184                         ps_unmark_node->s_top_field.u1_long_term_frame_idx =  in ih264d_delete_lt_node()
188                     if(ps_unmark_node->s_bot_field.u1_long_term_frame_idx  in ih264d_delete_lt_node()
191                         ps_unmark_node->s_bot_field.u1_reference_info =  in ih264d_delete_lt_node()
193                         ps_unmark_node->s_bot_field.u1_long_term_frame_idx =  in ih264d_delete_lt_node()
208                 ps_unmark_node->u1_used_as_ref =  in ih264d_delete_lt_node()
209                                 ps_unmark_node->s_top_field.u1_reference_info  in ih264d_delete_lt_node()
210                                                 | ps_unmark_node->s_bot_field.u1_reference_info;  in ih264d_delete_lt_node()
213                 ps_unmark_node->u1_used_as_ref = UNUSED_FOR_REF;  in ih264d_delete_lt_node()
215             if(UNUSED_FOR_REF == ps_unmark_node->u1_used_as_ref)  in ih264d_delete_lt_node()
217                 if(ps_unmark_node == ps_dpb_mgr->ps_dpb_ht_head)  in ih264d_delete_lt_node()
220                 ps_unmark_node->u1_lt_idx = MAX_REF_BUFS + 1;  in ih264d_delete_lt_node()
221                 ps_unmark_node->s_top_field.u1_reference_info =  in ih264d_delete_lt_node()
223                 ps_unmark_node->s_bot_field.u1_reference_info =  in ih264d_delete_lt_node()
227                                             ps_unmark_node->u1_buf_id);  in ih264d_delete_lt_node()
228                 ps_next_dpb->ps_prev_long = ps_unmark_node->ps_prev_long; //update link  in ih264d_delete_lt_node()
229                 ps_unmark_node->ps_prev_long = NULL;  in ih264d_delete_lt_node()
461     struct dpb_info_t *ps_unmark_node = NULL;  in ih264d_delete_st_node_or_make_lt()  local
480         ps_unmark_node = ps_next_dpb;  in ih264d_delete_st_node_or_make_lt()
519             ps_unmark_node = ps_next_dpb->ps_prev_short;  in ih264d_delete_st_node_or_make_lt()
527         if(ps_unmark_node->s_top_field.i4_pic_num == i4_pic_num)  in ih264d_delete_st_node_or_make_lt()
529             ps_unmark_node->s_top_field.u1_reference_info = u1_reference_type;  in ih264d_delete_st_node_or_make_lt()
530             ps_unmark_node->s_top_field.u1_long_term_frame_idx = u4_lt_idx;  in ih264d_delete_st_node_or_make_lt()
532                 UWORD8 *pu1_src = ps_unmark_node->ps_pic_buf->pu1_col_zero_flag;  in ih264d_delete_st_node_or_make_lt()
540         else if(ps_unmark_node->s_bot_field.i4_pic_num == i4_pic_num)  in ih264d_delete_st_node_or_make_lt()
543             ps_unmark_node->s_bot_field.u1_reference_info = u1_reference_type;  in ih264d_delete_st_node_or_make_lt()
544             ps_unmark_node->s_bot_field.u1_long_term_frame_idx = u4_lt_idx;  in ih264d_delete_st_node_or_make_lt()
547                                 ps_unmark_node->ps_pic_buf->pu1_col_zero_flag  in ih264d_delete_st_node_or_make_lt()
557         ps_unmark_node->u1_used_as_ref =  in ih264d_delete_st_node_or_make_lt()
558                         ps_unmark_node->s_top_field.u1_reference_info  in ih264d_delete_st_node_or_make_lt()
559                                         | ps_unmark_node->s_bot_field.u1_reference_info;  in ih264d_delete_st_node_or_make_lt()
563         ps_unmark_node->u1_used_as_ref = UNUSED_FOR_REF;  in ih264d_delete_st_node_or_make_lt()
564         ps_unmark_node->s_top_field.u1_reference_info = UNUSED_FOR_REF;  in ih264d_delete_st_node_or_make_lt()
565         ps_unmark_node->s_bot_field.u1_reference_info = UNUSED_FOR_REF;  in ih264d_delete_st_node_or_make_lt()
568             UWORD8 *pu1_src = ps_unmark_node->ps_pic_buf->pu1_col_zero_flag;  in ih264d_delete_st_node_or_make_lt()
577     if(!(ps_unmark_node->u1_used_as_ref & IS_SHORT_TERM))  in ih264d_delete_st_node_or_make_lt()
579         if(ps_unmark_node == ps_dpb_mgr->ps_dpb_st_head)  in ih264d_delete_st_node_or_make_lt()
582             ps_next_dpb->ps_prev_short = ps_unmark_node->ps_prev_short; //update link  in ih264d_delete_st_node_or_make_lt()
593                                         ps_unmark_node->u1_buf_id);  in ih264d_delete_st_node_or_make_lt()
594             ps_unmark_node->ps_prev_short = NULL;  in ih264d_delete_st_node_or_make_lt()
602                               u1_fld_pic_flag, ps_unmark_node, &i4_status);  in ih264d_delete_st_node_or_make_lt()
606         ret = ih264d_insert_lt_node(ps_dpb_mgr, ps_unmark_node, u4_lt_idx,  in ih264d_delete_st_node_or_make_lt()