+extern boost::shared_ptr<Film> new_test_film2 (std::string);
+extern void check_dcp (boost::filesystem::path, boost::filesystem::path);
+extern void check_dcp (boost::filesystem::path, boost::shared_ptr<const Film>);
+extern void check_file (boost::filesystem::path ref, boost::filesystem::path check);
+extern void check_wav_file (boost::filesystem::path ref, boost::filesystem::path check);
+extern void check_mxf_audio_file (boost::filesystem::path ref, boost::filesystem::path check);
+extern bool mxf_atmos_files_same (boost::filesystem::path ref, boost::filesystem::path check, bool verbose = false);