Barely-functioning GL playback with new arrangement.

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

diff --git a/src/lib/encoder.h b/src/lib/encoder.h
index 70e6eea9a8ae30997d3f2132d31405e1e80e5850..792029a9164f0ea4ce30054af0496501e113ea49 100644 (file)
--- a/src/lib/encoder.h
+++ b/src/lib/encoder.h
@@ -1,125 +1,60 @@
 /*
-    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2017 Carl Hetherington <cth@carlh.net>
 
-    This program is free software; you can redistribute it and/or modify
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
-    This program is distributed in the hope that it will be useful,
+    DCP-o-matic is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
-#ifndef DVDOMATIC_ENCODER_H
-#define DVDOMATIC_ENCODER_H
-
-/** @file src/encoder.h
- *  @brief Encoder to J2K and WAV for DCP.
- */
+#ifndef DCPOMATIC_ENCODER_H
+#define DCPOMATIC_ENCODER_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 <list>
-#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 "types.h"
+#include "player_text.h"
+#include <boost/weak_ptr.hpp>
+#include <boost/signals2.hpp>
 
-class Image;
-class Subtitle;
-class AudioBuffers;
 class Film;
-class ServerDescription;
-class DCPVideoFrame;
-class EncodedData;
-class Writer;
-
-/** @class Encoder
- *  @brief Encoder to J2K and WAV for DCP.
- *
- *  Video is supplied to process_video as YUV frames, and audio
- *  is supplied as uncompressed PCM in blocks of various sizes.
- */
+class Encoder;
+class Player;
+class Job;
+class PlayerVideo;
+class AudioBuffers;
 
-class Encoder : public VideoSink, public AudioSink
+/** @class Encoder */
+class Encoder : public boost::noncopyable
 {
 public:
-       Encoder (boost::shared_ptr<Film> f);
-       virtual ~Encoder ();
-
-       /** Called to indicate that a processing run is about to begin */
-       virtual void process_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.
-        */
-       void process_video (boost::shared_ptr<Image> i, bool same, boost::shared_ptr<Subtitle> s);
+       Encoder (boost::shared_ptr<const Film> film, boost::weak_ptr<Job> job);
+       virtual ~Encoder () {}
 
-       /** Call with some audio data */
-       void process_audio (boost::shared_ptr<AudioBuffers>);
+       virtual void go () = 0;
 
-       /** Called when a processing run has finished */
-       virtual void process_end ();
-
-       float current_encoding_rate () const;
-       int video_frames_out () const;
-
-private:
-       
-       void frame_done ();
-       
-       void encoder_thread (ServerDescription *);
-       void terminate_threads ();
-
-       /** Film that we are encoding */
-       boost::shared_ptr<Film> _film;
-
-       /** Mutex for _time_history and _last_frame */
-       mutable boost::mutex _history_mutex;
-       /** List of the times of completion of the last _history_size frames;
-           first is the most recently completed.
-       */
-       std::list<struct timeval> _time_history;
-       /** Number of frames that we should keep history for */
-       static int const _history_size;
-
-       /** Number of video frames received so far */
-       ContentVideoFrame _video_frames_in;
-       /** Number of video frames written for the DCP so far */
-       int _video_frames_out;
-
-#if HAVE_SWRESAMPLE    
-       SwrContext* _swr_context;
-#endif
+       /** @return the current frame rate over the last short while */
+       virtual boost::optional<float> current_rate () const {
+               return boost::optional<float>();
+       }
 
-       bool _have_a_real_frame;
-       bool _terminate;
-       std::list<boost::shared_ptr<DCPVideoFrame> > _queue;
-       std::list<boost::thread *> _threads;
-       mutable boost::mutex _mutex;
-       boost::condition _condition;
+       /** @return the number of frames that are done */
+       virtual Frame frames_done () const = 0;
+       virtual bool finishing () const = 0;
 
-       boost::shared_ptr<Writer> _writer;
+protected:
+       boost::shared_ptr<const Film> _film;
+       boost::weak_ptr<Job> _job;
+       boost::shared_ptr<Player> _player;
 };
 
 #endif