No-op: remove all trailing whitespace.

[dcpomatic.git] / src / lib / encoder.h

diff --git a/src/lib/encoder.h b/src/lib/encoder.h
index a4df202a21e6758da1cffb35dff53f0c73e3fcd0..6bbdda4c5e23ea8722395623efd950293d749d13 100644 (file)
--- a/src/lib/encoder.h
+++ b/src/lib/encoder.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -21,9 +21,17 @@
 #define DCPOMATIC_ENCODER_H
 
 /** @file src/encoder.h
- *  @brief Encoder to J2K and WAV for DCP.
+ *  @brief Encoder class.
  */
 
+#include "util.h"
+#include "config.h"
+#include "cross.h"
+#include "exceptions.h"
+extern "C" {
+#include <libavutil/samplefmt.h>
+#include <libswresample/swresample.h>
+}
 #include <boost/shared_ptr.hpp>
 #include <boost/thread/mutex.hpp>
 #include <boost/thread/condition.hpp>
@@ -31,65 +39,58 @@
 #include <boost/optional.hpp>
 #include <list>
 #include <stdint.h>
-extern "C" {
-#include <libavutil/samplefmt.h>
-#include <libswresample/swresample.h>
-}
-#include "util.h"
 
 class Image;
 class AudioBuffers;
 class Film;
 class ServerDescription;
-class DCPVideoFrame;
-class EncodedData;
+class DCPVideo;
 class Writer;
 class Job;
+class PlayerVideo;
 
 /** @class Encoder
- *  @brief Encoder to J2K and WAV for DCP.
+ *  @brief Class to manage encoding to JPEG2000.
  *
- *  Video is supplied to process_video as RGB frames, and audio
- *  is supplied as uncompressed PCM in blocks of various sizes.
+ *  This class keeps a queue of frames to be encoded and distributes
+ *  the work around threads and encoding servers.
  */
 
-class Encoder : public boost::noncopyable
+class Encoder : public boost::noncopyable, public ExceptionStore
 {
 public:
-       Encoder (boost::shared_ptr<const Film> f, boost::shared_ptr<Job>);
+       Encoder (boost::shared_ptr<const Film>, boost::weak_ptr<Job>, boost::shared_ptr<Writer>);
        virtual ~Encoder ();
 
        /** Called to indicate that a processing run is about to begin */
-       void process_begin ();
+       void 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.
+        *  @param f Video frame.
         */
-       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>);
+       void enqueue (boost::shared_ptr<PlayerVideo> f);
 
        /** Called when a processing run has finished */
-       void process_end ();
+       void end ();
 
        float current_encoding_rate () const;
        int video_frames_out () const;
 
 private:
-       
+
        void frame_done ();
-       
-       void encoder_thread (boost::shared_ptr<ServerDescription>);
+
+       void encoder_thread (boost::optional<ServerDescription>);
        void terminate_threads ();
+       void add_worker_threads (ServerDescription);
+       void server_found (ServerDescription);
 
        /** Film that we are encoding */
        boost::shared_ptr<const Film> _film;
-       boost::shared_ptr<Job> _job;
+       boost::weak_ptr<Job> _job;
 
        /** Mutex for _time_history and _last_frame */
-       mutable boost::mutex _history_mutex;
+       mutable boost::mutex _state_mutex;
        /** List of the times of completion of the last _history_size frames;
            first is the most recently completed.
        */
@@ -97,17 +98,24 @@ private:
        /** 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;
+       /** Number of video frames enqueued so far */
+       int _video_frames_enqueued;
 
-       bool _have_a_real_frame[EYES_COUNT];
        bool _terminate;
-       std::list<boost::shared_ptr<DCPVideoFrame> > _queue;
+       std::list<boost::shared_ptr<DCPVideo> > _queue;
        std::list<boost::thread *> _threads;
        mutable boost::mutex _mutex;
-       boost::condition _condition;
+       /** condition to manage thread wakeups when we have nothing to do */
+       boost::condition _empty_condition;
+       /** condition to manage thread wakeups when we have too much to do */
+       boost::condition _full_condition;
 
        boost::shared_ptr<Writer> _writer;
+       Waker _waker;
+
+       boost::shared_ptr<PlayerVideo> _last_player_video;
+
+       boost::signals2::scoped_connection _server_found_connection;
 };
 
 #endif