- /* Methods to query our input video */
-
- /** @return video frames per second, or 0 if unknown */
- virtual float frames_per_second () const = 0;
- /** @return native size in pixels */
- virtual Size native_size () const = 0;
-
- virtual int time_base_numerator () const = 0;
- virtual int time_base_denominator () const = 0;
- virtual int sample_aspect_ratio_numerator () const = 0;
- virtual int sample_aspect_ratio_denominator () const = 0;
-
- virtual bool pass () = 0;
- void go ();
-
- SourceFrame video_frame () const {
- return _video_frame;
- }
-
- virtual void set_audio_stream (boost::optional<AudioStream>);
- virtual void set_subtitle_stream (boost::optional<SubtitleStream>);
-
- boost::optional<AudioStream> audio_stream () const {
- return _audio_stream;
- }
-
- boost::optional<SubtitleStream> subtitle_stream () const {
- return _subtitle_stream;
- }
-
- std::vector<AudioStream> audio_streams () const {
- return _audio_streams;
- }
+ /** Seek so that the next get_*() will yield the next thing
+ * (video/sound frame, subtitle etc.) at or after the requested
+ * time. Pass accurate = true to try harder to get close to
+ * the request.
+ */
+ virtual void seek (ContentTime time, bool accurate);