116     } else if (frm->is_lt_ref) {  in _dump_frm()
302     frm->is_lt_ref = 0;  in set_st_cfg_to_frm()
330     frm->is_lt_ref = 1;  in set_lt_cfg_to_frm()
380                               ref->is_lt_ref ? "lt" : "st",  in get_ref_from_cpb()
381                               ref->is_lt_ref ? ref->lt_idx : 0);  in get_ref_from_cpb()
403     if (frm->is_lt_ref) {  in check_ref_cpb_pos()
453         if (!ref->valid || ref->is_non_ref || !ref->is_lt_ref)  in save_cpb_status()
457         mpp_assert(ref->is_lt_ref);  in save_cpb_status()
474             if (!ref->valid || ref->is_non_ref || ref->is_lt_ref)  in save_cpb_status()
478             mpp_assert(!ref->is_lt_ref);  in save_cpb_status()
511     if (frm->is_lt_ref) {  in store_ref_to_cpb()
865         frm->is_lt_ref = 1;  in mpp_enc_refs_get_cpb()
882             frm->is_idr || frm->is_lt_ref)  in mpp_enc_refs_get_cpb()
884                       frm->is_idr ? "IDR" : (frm->is_lt_ref ? "LTR" : "st"));  in mpp_enc_refs_get_cpb()
1005     frm->is_lt_ref = 0;  in mpp_enc_refs_get_cpb_pass1()