X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fencoder.h;h=f4116c50c5888172dc3191e79562979fa7178054;hb=HEAD;hp=a277aca51d85f387926485a50ba7593e2a5041e2;hpb=479b67ec506289a4763b2dd4f07e72d1dd676483;p=dcpomatic.git

diff --git a/src/lib/encoder.h b/src/lib/encoder.h
index a277aca51..9b67720d3 100644
--- a/src/lib/encoder.h
+++ b/src/lib/encoder.h
@@ -1,139 +1,69 @@
 /*
-    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2021 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 Parent class for classes which can encode video and audio frames.
- */
+#ifndef DCPOMATIC_ENCODER_H
+#define DCPOMATIC_ENCODER_H
+
+
+#include "player.h"
+#include "player_text.h"
+#include <boost/signals2.hpp>
 
-#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 <sndfile.h>
-#include "util.h"
-#include "video_sink.h"
-#include "audio_sink.h"
 
-class Image;
-class Subtitle;
-class AudioBuffers;
 class Film;
-class ServerDescription;
-class DCPVideoFrame;
-class EncodedData;
-class Writer;
+class Encoder;
+class Player;
+class Job;
+class PlayerVideo;
+class AudioBuffers;
+
 
 /** @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.
+ *  @brief Parent class for something that can encode a film into some format
  */
-
-class Encoder : public VideoSink, public AudioSink
+class Encoder
 {
 public:
-	Encoder (boost::shared_ptr<const 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);
-
-	/** Call with some audio data */
-	void process_audio (boost::shared_ptr<AudioBuffers>);
-
-	/** Called when a processing run has finished */
-	virtual void process_end ();
-
-	float current_frames_per_second () const;
-	bool skipping () const;
-	int video_frames_out () const;
-
-private:
-	
-	void frame_done ();
-	void frame_skipped ();
-	
-	void close_sound_files ();
-	void write_audio (boost::shared_ptr<const AudioBuffers> audio);
-
-	void encoder_thread (ServerDescription *);
-	void terminate_worker_threads ();
-
-	/** Film that we are encoding */
-	boost::shared_ptr<const Film> _film;
-
-	/** Mutex for _time_history, _just_skipped 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;
-	/** true if the last frame we processed was skipped (because it was already done) */
-	bool _just_skipped;
-
-	/** Number of video frames received so far */
-	SourceFrame _video_frames_in;
-	/** Number of audio frames received so far */
-	int64_t _audio_frames_in;
-	/** Number of video frames written for the DCP so far */
-	int _video_frames_out;
-	/** Number of audio frames written for the DCP so far */
-	int64_t _audio_frames_out;
-
-#if HAVE_SWRESAMPLE	
-	SwrContext* _swr_context;
-#endif
+	Encoder (std::shared_ptr<const Film> film, std::weak_ptr<Job> job);
+	virtual ~Encoder () {}
 
-	std::vector<SNDFILE*> _sound_files;
+	Encoder (Encoder const&) = delete;
+	Encoder& operator= (Encoder const&) = delete;
 
-	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;
+	virtual void go () = 0;
 
-	boost::shared_ptr<Writer> _writer;
+	/** @return the current frame rate over the last short while */
+	virtual boost::optional<float> current_rate () const {
+		return {};
+	}
+
+	/** @return the number of frames that are done */
+	virtual Frame frames_done () const = 0;
+	virtual bool finishing () const = 0;
+
+protected:
+	std::shared_ptr<const Film> _film;
+	std::weak_ptr<Job> _job;
+	Player _player;
 };
 
+
 #endif