#include <boost/optional.hpp>
#include <boost/filesystem.hpp>
#include <libdcp/util.h>
+#include <libdcp/signer.h>
extern "C" {
#include <libavcodec/avcodec.h>
#include <libavfilter/avfilter.h>
extern boost::filesystem::path mo_path ();
#endif
extern std::string tidy_for_filename (std::string);
-extern boost::shared_ptr<const libdcp::Signer> make_signer ();
-extern libdcp::Size fit_ratio_within (float ratio, libdcp::Size);
+extern boost::shared_ptr<const dcp::Signer> make_signer ();
+extern dcp::Size fit_ratio_within (float ratio, dcp::Size);
struct FrameRateChange
{