ff_isom_get_vpcc_features  346 libavformat/dashenc.c     int ret = ff_isom_get_vpcc_features(s, par, frame_rate, &vpcc);
ff_isom_get_vpcc_features  155 libavformat/vpcc.c     ret = ff_isom_get_vpcc_features(s, par, NULL, &vpcc);
ff_isom_get_vpcc_features   55 libavformat/vpcc.h int ff_isom_get_vpcc_features(AVFormatContext *s, AVCodecParameters *par,