/*
- 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
* @brief Encoder to J2K and WAV for DCP.
*/
+#include "util.h"
+#include "config.h"
+#include "cross.h"
+#include "exceptions.h"
+extern "C" {
+#include <libavutil/samplefmt.h>
+#include <libswresample/swresample.h>
+}
#include <boost/shared_ptr.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/thread/condition.hpp>
#include <boost/optional.hpp>
#include <list>
#include <stdint.h>
-extern "C" {
-#include <libavutil/samplefmt.h>
-#include <libswresample/swresample.h>
-}
-#include "util.h"
-#include "config.h"
-#include "cross.h"
class Image;
class AudioBuffers;
class Film;
class ServerDescription;
-class DCPVideoFrame;
+class DCPVideo;
class EncodedData;
class Writer;
class Job;
class ServerFinder;
-class DCPVideo;
+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 RGB 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 boost::noncopyable, public ExceptionStore
{
public:
- Encoder (boost::shared_ptr<const Film> f, boost::weak_ptr<Job>);
+ 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 */
- void process_begin ();
+ void begin ();
/** Call with a frame of video.
* @param f Video frame.
*/
- void process_video (boost::shared_ptr<DCPVideo> f);
-
- /** Call with some audio data */
- void process_audio (boost::shared_ptr<const AudioBuffers>);
+ void enqueue (boost::shared_ptr<PlayerVideo> f);
/** Called when a processing run has finished */
- void process_end ();
+ void end ();
float current_encoding_rate () const;
int video_frames_out () const;
int _video_frames_out;
bool _terminate;
- std::list<boost::shared_ptr<DCPVideoFrame> > _queue;
+ std::list<boost::shared_ptr<DCPVideo> > _queue;
std::list<boost::thread *> _threads;
mutable boost::mutex _mutex;
- boost::condition _condition;
+ /** 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;