X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fencoder.h;h=51df0176b575267a50ec75e5596059655811ec9e;hb=946dbad9821e676f1d8fdc5abba459da54b8e84c;hp=8b02f70041af349d5e95dbd4a855c15c151a493e;hpb=32fc1ddb0ee004d18c36155ddcf4d9b3998a7061;p=dcpomatic.git

diff --git a/src/lib/encoder.h b/src/lib/encoder.h
index 8b02f7004..51df0176b 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) 2012-2014 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
@@ -17,11 +17,11 @@
 
 */
 
-#ifndef DVDOMATIC_ENCODER_H
-#define DVDOMATIC_ENCODER_H
+#ifndef DCPOMATIC_ENCODER_H
+#define DCPOMATIC_ENCODER_H
 
 /** @file src/encoder.h
- *  @brief Parent class for classes which can encode video and audio frames.
+ *  @brief Encoder to J2K and WAV for DCP.
  */
 
 #include <boost/shared_ptr.hpp>
@@ -33,71 +33,66 @@
 #include <stdint.h>
 extern "C" {
 #include <libavutil/samplefmt.h>
-}
-#ifdef HAVE_SWRESAMPLE
-extern "C" {
 #include <libswresample/swresample.h>
 }
-#endif
 #include "util.h"
-#include "video_sink.h"
-#include "audio_sink.h"
+#include "config.h"
+#include "cross.h"
+#include "exceptions.h"
 
 class Image;
-class Subtitle;
 class AudioBuffers;
 class Film;
 class ServerDescription;
-class DCPVideoFrame;
+class DCPVideo;
 class EncodedData;
 class Writer;
+class Job;
+class ServerFinder;
+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 YUV 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 VideoSink, public AudioSink
+class Encoder : public boost::noncopyable, public ExceptionStore
 {
 public:
-	Encoder (boost::shared_ptr<Film> f);
+	Encoder (boost::shared_ptr<const Film> f, boost::weak_ptr<Job>, boost::shared_ptr<Writer>);
 	virtual ~Encoder ();
 
 	/** Called to indicate that a processing run is about to begin */
-	virtual 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 s A subtitle that should be on this frame, or 0.
+	 *  @param f Video frame.
 	 */
-	void process_video (boost::shared_ptr<Image> i, bool same, boost::shared_ptr<Subtitle> s);
-
-	/** Call with some audio data */
-	void process_audio (boost::shared_ptr<AudioBuffers>);
+	void enqueue (boost::shared_ptr<PlayerVideo> f);
 
 	/** Called when a processing run has finished */
-	virtual void process_end ();
+	void end ();
 
-	float current_frames_per_second () const;
+	float current_encoding_rate () const;
 	int video_frames_out () const;
 
 private:
 	
 	void frame_done ();
 	
-	void write_audio (boost::shared_ptr<const AudioBuffers> audio);
-
-	void encoder_thread (ServerDescription *);
-	void terminate_worker_threads ();
+	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<Film> _film;
+	boost::shared_ptr<const Film> _film;
+	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.
 	*/
@@ -105,23 +100,20 @@ private:
 	/** Number of frames that we should keep history for */
 	static int const _history_size;
 
-	/** Number of video frames received so far */
-	SourceFrame _video_frames_in;
 	/** Number of video frames written for the DCP so far */
 	int _video_frames_out;
 
-#if HAVE_SWRESAMPLE	
-	SwrContext* _swr_context;
-#endif
-
-	bool _have_a_real_frame;
-	bool _terminate_encoder;
-	std::list<boost::shared_ptr<DCPVideoFrame> > _encode_queue;
-	std::list<boost::thread *> _worker_threads;
-	mutable boost::mutex _worker_mutex;
-	boost::condition _worker_condition;
+	bool _terminate;
+	std::list<boost::shared_ptr<DCPVideo> > _queue;
+	std::list<boost::thread *> _threads;
+	mutable boost::mutex _mutex;
+	/** 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;
 };
 
 #endif