vp9_frame_ref    1595 libavcodec/vp9.c             (ret = vp9_frame_ref(avctx, &s->s.frames[REF_FRAME_SEGMAP], &s->s.frames[CUR_FRAME])) < 0)
vp9_frame_ref    1601 libavcodec/vp9.c         (ret = vp9_frame_ref(avctx, &s->s.frames[REF_FRAME_MVPAIR], &s->s.frames[CUR_FRAME])) < 0)
vp9_frame_ref    1841 libavcodec/vp9.c             if ((ret = vp9_frame_ref(dst, &s->s.frames[i], &ssrc->s.frames[i])) < 0)