X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fencoder.h;h=19c1120b360f789fd8af1ef76ccf85a97e494337;hb=ff639b3cf30afcc097bfd21d39c8d15f466cadd6;hp=7e9bd497a619665f03b55f6b6feb32d2c81ff631;hpb=6a11232620e0006f6a2b1e8d2b56e56d84229d5c;p=dcpomatic.git

diff --git a/src/lib/encoder.h b/src/lib/encoder.h
index 7e9bd497a..19c1120b3 100644
--- a/src/lib/encoder.h
+++ b/src/lib/encoder.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -18,92 +18,52 @@
 
 */
 
+
 #ifndef DCPOMATIC_ENCODER_H
 #define DCPOMATIC_ENCODER_H
 
-/** @file  src/encoder.h
- *  @brief Encoder class.
- */
 
-#include "util.h"
-#include "cross.h"
-#include "event_history.h"
-#include "exception_store.h"
-#include <boost/shared_ptr.hpp>
-#include <boost/thread/mutex.hpp>
-#include <boost/thread/condition.hpp>
-#include <boost/thread.hpp>
-#include <boost/optional.hpp>
+#include "player_text.h"
+#include "types.h"
 #include <boost/signals2.hpp>
-#include <boost/enable_shared_from_this.hpp>
-#include <list>
-#include <stdint.h>
+
 
 class Film;
-class EncodeServerDescription;
-class DCPVideo;
-class Writer;
+class Encoder;
+class Player;
 class Job;
 class PlayerVideo;
+class AudioBuffers;
+
 
 /** @class Encoder
- *  @brief Class to manage encoding to JPEG2000.
- *
- *  This class keeps a queue of frames to be encoded and distributes
- *  the work around threads and encoding servers.
+ *  @brief Parent class for something that can encode a film into some format
  */
-
-class Encoder : public boost::noncopyable, public ExceptionStore, public boost::enable_shared_from_this<Encoder>
+class Encoder
 {
 public:
-	Encoder (boost::shared_ptr<const Film> film, boost::shared_ptr<Writer> writer);
-	~Encoder ();
-
-	/** Called to indicate that a processing run is about to begin */
-	void begin ();
-
-	/** Called to pass a bit of video to be encoded as the next DCP frame */
-	void encode (boost::shared_ptr<PlayerVideo> pv, DCPTime time);
-
-	/** Called when a processing run has finished */
-	void end ();
+	Encoder (std::shared_ptr<const Film> film, std::weak_ptr<Job> job);
+	virtual ~Encoder () {}
 
-	float current_encoding_rate () const;
-	int video_frames_enqueued () const;
+	Encoder (Encoder const&) = delete;
+	Encoder& operator= (Encoder const&) = delete;
 
-	void servers_list_changed ();
+	virtual void go () = 0;
 
-private:
+	/** @return the current frame rate over the last short while */
+	virtual boost::optional<float> current_rate () const {
+		return {};
+	}
 
-	static void call_servers_list_changed (boost::weak_ptr<Encoder> encoder);
+	/** @return the number of frames that are done */
+	virtual Frame frames_done () const = 0;
+	virtual bool finishing () const = 0;
 
-	void frame_done ();
-
-	void encoder_thread (boost::optional<EncodeServerDescription>);
-	void terminate_threads ();
-
-	/** Film that we are encoding */
-	boost::shared_ptr<const Film> _film;
-
-	EventHistory _history;
-
-	/** Mutex for _threads */
-	mutable boost::mutex _threads_mutex;
-	std::list<boost::thread *> _threads;
-	mutable boost::mutex _queue_mutex;
-	std::list<boost::shared_ptr<DCPVideo> > _queue;
-	/** 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::optional<DCPTime> _last_player_video_time;
-
-	boost::signals2::scoped_connection _server_found_connection;
+protected:
+	std::shared_ptr<const Film> _film;
+	std::weak_ptr<Job> _job;
+	std::shared_ptr<Player> _player;
 };
 
+
 #endif