ff_qsvvpp_free    659 libavfilter/qsvvpp.c     ff_qsvvpp_free(&s);
ff_qsvvpp_free     69 libavfilter/qsvvpp.h int ff_qsvvpp_free(QSVVPPContext **vpp);
ff_qsvvpp_free    352 libavfilter/vf_overlay_qsv.c     ff_qsvvpp_free(&vpp->qsv);
ff_qsvvpp_free    524 libavfilter/vf_vpp_qsv.c     ff_qsvvpp_free(&vpp->qsv);