X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fencoder.h;h=6bbdda4c5e23ea8722395623efd950293d749d13;hb=e60bb3e51bd1508b149e6b8f6608f09b5196ae26;hp=a4df202a21e6758da1cffb35dff53f0c73e3fcd0;hpb=74a8d26a8907c6e00e29f054178a3425f44e38ed;p=dcpomatic.git

diff --git a/src/lib/encoder.h b/src/lib/encoder.h
index a4df202a2..6bbdda4c5 100644
--- 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