- void process_video (boost::shared_ptr<RegionDecoder>, boost::shared_ptr<const Image>, bool, boost::shared_ptr<Subtitle>, Time);
- void process_audio (boost::shared_ptr<RegionDecoder>, boost::shared_ptr<const AudioBuffers>, Time);
- void setup_decoders ();
+ /** Emitted when some audio data is ready */
+ boost::signals2::signal<void (boost::shared_ptr<const AudioBuffers>, Time)> Audio;
+
+ /** Emitted when something has changed such that if we went back and emitted
+ * the last frame again it would look different. This is not emitted after
+ * a seek.
+ *
+ * The parameter is true if these signals are currently likely to be frequent.
+ */
+ boost::signals2::signal<void (bool)> Changed;
+
+private:
+ friend class PlayerWrapper;
+
+ void process_video (boost::weak_ptr<Piece>, boost::shared_ptr<const Image>, Eyes, bool, VideoContent::Frame);
+ void process_audio (boost::weak_ptr<Piece>, boost::shared_ptr<const AudioBuffers>, AudioContent::Frame);
+ void process_subtitle (boost::weak_ptr<Piece>, boost::shared_ptr<Image>, dcpomatic::Rect<double>, Time, Time);
+ void setup_pieces ();