spl::shared_ptr<frame_producer> create_framerate_producer(
spl::shared_ptr<frame_producer> source,
spl::shared_ptr<frame_producer> create_framerate_producer(
spl::shared_ptr<frame_producer> source,
boost::rational<int> destination_framerate,
field_mode destination_fieldmode,
std::vector<int> destination_audio_cadence);
boost::rational<int> destination_framerate,
field_mode destination_fieldmode,
std::vector<int> destination_audio_cadence);