349         p->slot_idx = -1;  in reset_one_save()
379     if (p && p->slot_idx >= 0) {  in set_frame_unref()
380         mpp_buf_slot_clr_flag(pdec->frame_slots, p->slot_idx, SLOT_CODEC_USE);  in set_frame_unref()
390     if (p && p->slot_idx >= 0 && !p->had_display) {  in set_frame_output()
391         mpp_buf_slot_set_flag(p_dec->frame_slots, p->slot_idx, SLOT_QUEUE_USE);  in set_frame_output()
392         mpp_buf_slot_enqueue(p_dec->frame_slots, p->slot_idx, QUEUE_DISPLAY);  in set_frame_output()
427         frm->slot_idx = -1;  in avsd_reset_parameters()
442     RK_S32 slot_idx = -1;  in avsd_set_dpb()  local
446     mpp_buf_slot_get_unused(p_dec->frame_slots, &slot_idx);  in avsd_set_dpb()
447     if (slot_idx < 0) {  in avsd_set_dpb()
452     p_cur->slot_idx = slot_idx;  in avsd_set_dpb()
484     mpp_buf_slot_set_prop(p_dec->frame_slots, slot_idx, SLOT_FRAME, mframe);  in avsd_set_dpb()
487     mpp_buf_slot_set_flag(p_dec->frame_slots, p_cur->slot_idx, SLOT_CODEC_USE);  in avsd_set_dpb()
488     mpp_buf_slot_set_flag(p_dec->frame_slots, p_cur->slot_idx, SLOT_HAL_OUTPUT);  in avsd_set_dpb()
491     task->output = p_dec->cur->slot_idx;  in avsd_set_dpb()
493     if (p_dec->dpb[0] && p_dec->dpb[0]->slot_idx >= 0 &&  in avsd_set_dpb()
494         (p_dec->dpb[0]->slot_idx != p_dec->cur->slot_idx)) {  in avsd_set_dpb()
495         mpp_buf_slot_set_flag(p_dec->frame_slots, p_dec->dpb[0]->slot_idx, SLOT_HAL_INPUT);  in avsd_set_dpb()
497             task->refer[1] = p_dec->dpb[0]->slot_idx;  in avsd_set_dpb()
499             task->refer[0] = p_dec->dpb[0]->slot_idx;  in avsd_set_dpb()
502     if (p_dec->dpb[1] && p_dec->dpb[1]->slot_idx >= 0 &&  in avsd_set_dpb()
503         (p_dec->dpb[1]->slot_idx != p_dec->cur->slot_idx)) {  in avsd_set_dpb()
504         mpp_buf_slot_set_flag(p_dec->frame_slots, p_dec->dpb[1]->slot_idx, SLOT_HAL_INPUT);  in avsd_set_dpb()
506             task->refer[0] = p_dec->dpb[1]->slot_idx;  in avsd_set_dpb()
508             task->refer[1] = p_dec->dpb[1]->slot_idx;  in avsd_set_dpb()