Use dcp::file_to_string().

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

diff --git a/src/lib/encoder.h b/src/lib/encoder.h
index 7e9bd497a619665f03b55f6b6feb32d2c81ff631..19c1120b360f789fd8af1ef76ccf85a97e494337 100644 (file)
--- 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