+
+Time
+ImageMagickContent::length () const
+{
+ shared_ptr<const Film> film = _film.lock ();
+ assert (film);
+
+ FrameRateConversion frc (24, film->dcp_video_frame_rate ());
+ return video_length() * frc.factor() * TIME_HZ / film->dcp_video_frame_rate ();
+}
+