append            375 libde265/nal-parser.cc     if (input_push_state==6) { nal->append(null,1); }
append            376 libde265/nal-parser.cc     if (input_push_state==7) { nal->append(null,2); }
append             51 libde265/nal-parser.h   void append(const unsigned char* data, int n);