- virtual void seek (Time);
- virtual void seek_back ();
- virtual void seek_forward ();
-
- /* Calls for VideoContent to find out about itself */
-
- /** @return video frame rate second, or 0 if unknown */
- virtual float video_frame_rate () const = 0;
- /** @return video size in pixels */
- virtual libdcp::Size video_size () const = 0;
- /** @return length according to our content's header */
- virtual ContentVideoFrame video_length () const = 0;