- Encoder (boost::shared_ptr<const Film> f, boost::shared_ptr<Job>);
- virtual ~Encoder ();
-
- /** Called to indicate that a processing run is about to begin */
- void process_begin ();
-
- /** Call with a frame of video.
- * @param i Video frame image.
- * @param same true if i is the same as the last time we were called.
- */
- void process_video (boost::shared_ptr<const Image> i, Eyes eyes, bool same);
-
- /** Call with some audio data */
- void process_audio (boost::shared_ptr<const AudioBuffers>);
-
- /** Called when a processing run has finished */
- void process_end ();
-
- float current_encoding_rate () const;
- int video_frames_out () const;
-
-private:
-
- void frame_done ();
-
- void encoder_thread (boost::shared_ptr<ServerDescription>);
- void terminate_threads ();
-
- /** Film that we are encoding */
- boost::shared_ptr<const Film> _film;
- boost::shared_ptr<Job> _job;
-
- /** Mutex for _time_history and _last_frame */
- mutable boost::mutex _history_mutex;
- /** List of the times of completion of the last _history_size frames;
- first is the most recently completed.
- */
- std::list<struct timeval> _time_history;
- /** Number of frames that we should keep history for */
- static int const _history_size;
-
- /** Number of video frames written for the DCP so far */
- int _video_frames_out;
-
- bool _have_a_real_frame[EYES_COUNT];
- bool _terminate;
- std::list<boost::shared_ptr<DCPVideoFrame> > _queue;
- std::list<boost::thread *> _threads;
- mutable boost::mutex _mutex;
- boost::condition _condition;
-
- boost::shared_ptr<Writer> _writer;
+ Encoder (std::shared_ptr<const Film> film, std::weak_ptr<Job> job);
+ virtual ~Encoder () {}
+
+ Encoder (Encoder const&) = delete;
+ Encoder& operator= (Encoder const&) = delete;
+
+ virtual void go () = 0;
+
+ /** @return the current frame rate over the last short while */
+ virtual boost::optional<float> current_rate () const {
+ return {};
+ }
+
+ /** @return the number of frames that are done */
+ virtual Frame frames_done () const = 0;
+ virtual bool finishing () const = 0;
+
+protected:
+ std::shared_ptr<const Film> _film;
+ std::weak_ptr<Job> _job;
+ Player _player;