en265_nal_unit_type  195 libde265/en265.h   enum en265_nal_unit_type nal_unit_type;
en265_nal_unit_type  304 libde265/encoder/encoder-context.cc   pck->nal_unit_type  = (enum en265_nal_unit_type)imgdata->nal.nal_unit_type;