std::string thumb_file (int) const;
std::string thumb_base (int) const;
SourceFrame thumb_frame (int) const;
std::string thumb_file (int) const;
std::string thumb_base (int) const;
SourceFrame thumb_frame (int) const;
void set_directory (std::string);
void set_name (std::string);
void set_use_dci_name (bool);
void set_directory (std::string);
void set_name (std::string);
void set_use_dci_name (bool);