303     if (NULL != p->frame_alternate) {  in vp8d_unref_allframe()
304         vp8d_unref_frame(p, p->frame_alternate);  in vp8d_unref_allframe()
305         p->frame_alternate = NULL;  in vp8d_unref_allframe()
588     if (p->frame_alternate != NULL) {  in vp8d_convert_to_syntx()
589         pic_param->alt_fb_idx.Index7Bits = p->frame_alternate->slot_index;  in vp8d_convert_to_syntx()
590         mpp_buf_slot_set_flag(p->frame_slots, p->frame_alternate->slot_index,  in vp8d_convert_to_syntx()
592         in_task->refer[2] = p->frame_alternate->slot_index;  in vp8d_convert_to_syntx()
682             if (NULL != p->frame_alternate) {  in vp8d_ref_update()
683                 vp8d_unref_frame(p, p->frame_alternate);  in vp8d_ref_update()
684                 p->frame_alternate = NULL;  in vp8d_ref_update()
686             p->frame_alternate = p->frame_ref;  in vp8d_ref_update()
687             vp8d_ref_frame(p->frame_alternate);  in vp8d_ref_update()
689             if (NULL != p->frame_alternate) {  in vp8d_ref_update()
690                 vp8d_unref_frame(p, p->frame_alternate);  in vp8d_ref_update()
691                 p->frame_alternate = NULL;  in vp8d_ref_update()
693             p->frame_alternate = p->frame_golden;  in vp8d_ref_update()
694             vp8d_ref_frame(p->frame_alternate);  in vp8d_ref_update()
709             p->frame_golden = p->frame_alternate;  in vp8d_ref_update()
723             if (NULL != p->frame_alternate) {  in vp8d_ref_update()
724                 vp8d_unref_frame(p, p->frame_alternate);  in vp8d_ref_update()
725                 p->frame_alternate = NULL;  in vp8d_ref_update()
727             p->frame_alternate = p->frame_out;  in vp8d_ref_update()