AudioContent (boost::shared_ptr<const Film>);
AudioContent (boost::shared_ptr<const Film>, DCPTime);
AudioContent (boost::shared_ptr<const Film>, boost::filesystem::path);
AudioContent (boost::shared_ptr<const Film>);
AudioContent (boost::shared_ptr<const Film>, DCPTime);
AudioContent (boost::shared_ptr<const Film>, boost::filesystem::path);