class TextDecoder;
extern std::string seconds_to_hms (int);
-extern std::string time_to_hmsf (DCPTime time, Frame rate);
+extern std::string time_to_hmsf (dcpomatic::DCPTime time, Frame rate);
extern std::string seconds_to_approximate_hms (int);
extern double seconds (struct timeval);
extern void dcpomatic_setup ();
extern void checked_fwrite (void const * ptr, size_t size, FILE* stream, boost::filesystem::path path);
extern size_t utf8_strlen (std::string s);
extern std::string day_of_week_to_string (boost::gregorian::greg_weekday d);
-extern void emit_subtitle_image (ContentTimePeriod period, dcp::SubtitleImage sub, dcp::Size size, boost::shared_ptr<TextDecoder> decoder);
+extern void emit_subtitle_image (dcpomatic::ContentTimePeriod period, dcp::SubtitleImage sub, dcp::Size size, boost::shared_ptr<TextDecoder> decoder);
#ifdef DCPOMATIC_VARIANT_SWAROOP
extern boost::shared_ptr<dcp::CertificateChain> read_swaroop_chain (boost::filesystem::path path);
extern void write_swaroop_chain (boost::shared_ptr<const dcp::CertificateChain> chain, boost::filesystem::path output);