*/
-#ifndef DVDOMATIC_ENCODER_H
-#define DVDOMATIC_ENCODER_H
+#ifndef DCPOMATIC_ENCODER_H
+#define DCPOMATIC_ENCODER_H
/** @file src/encoder.h
- * @brief Parent class for classes which can encode video and audio frames.
+ * @brief Encoder to J2K and WAV for DCP.
*/
#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"
+#include "config.h"
-class EncodeOptions;
class Image;
-class Subtitle;
class AudioBuffers;
class Film;
+class ServerDescription;
+class DCPVideoFrame;
+class EncodedData;
+class Writer;
+class Job;
/** @class Encoder
- * @brief Parent class for classes which can encode video and audio frames.
+ * @brief Encoder to J2K and WAV for DCP.
*
- * Video is supplied to process_video as YUV frames, and audio
+ * Video is supplied to process_video as RGB frames, and audio
* is supplied as uncompressed PCM in blocks of various sizes.
- *
- * The subclass is expected to encode the video and/or audio in
- * some way and write it to disk.
*/
-class Encoder : public VideoSink, public AudioSink
+class Encoder : public boost::noncopyable
{
public:
- Encoder (boost::shared_ptr<const Film> f, boost::shared_ptr<const EncodeOptions> o);
+ Encoder (boost::shared_ptr<const Film> f, boost::shared_ptr<Job>);
virtual ~Encoder ();
/** Called to indicate that a processing run is about to begin */
- virtual void process_begin ();
+ void process_begin ();
/** Call with a frame of video.
* @param i Video frame image.
- * @param s A subtitle that should be on this frame, or 0.
+ * @param same true if i is the same as the last time we were called.
*/
- void process_video (boost::shared_ptr<Image> i, boost::shared_ptr<Subtitle> s);
+ void process_video (boost::shared_ptr<const Image> i, Eyes eyes, ColourConversion, bool same);
/** Call with some audio data */
- void process_audio (boost::shared_ptr<AudioBuffers>);
+ void process_audio (boost::shared_ptr<const AudioBuffers>);
/** Called when a processing run has finished */
- virtual void process_end ();
-
- float current_frames_per_second () const;
- bool skipping () const;
- SourceFrame video_frame () const;
+ void process_end ();
-protected:
+ float current_encoding_rate () const;
+ int video_frames_out () const;
- /** Called with a frame of video.
- * @param i Video frame image.
- * @param s A subtitle that should be on this frame, or 0.
- */
- virtual void do_process_video (boost::shared_ptr<Image> i, boost::shared_ptr<Subtitle> s) = 0;
+private:
void frame_done ();
- void frame_skipped ();
+ void encoder_thread (boost::optional<ServerDescription>);
+ void terminate_threads ();
+ void broadcast_thread ();
+ void listen_thread ();
+ void add_worker_threads (ServerDescription);
+
/** Film that we are encoding */
boost::shared_ptr<const Film> _film;
- /** Options */
- boost::shared_ptr<const EncodeOptions> _opt;
+ boost::shared_ptr<Job> _job;
- /** Mutex for _time_history, _just_skipped and _last_frame */
- mutable boost::mutex _history_mutex;
+ /** Mutex for _time_history and _last_frame */
+ mutable boost::mutex _state_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_frame;
- /** Number of audio frames received so far */
- int64_t _audio_frame;
+ /** Number of video frames written for the DCP so far */
+ int _video_frames_out;
-private:
- void close_sound_files ();
- void write_audio (boost::shared_ptr<const AudioBuffers> audio);
+ bool _have_a_real_frame[EYES_COUNT];
+ bool _terminate;
+ std::list<boost::shared_ptr<DCPVideoFrame> > _queue;
+ typedef std::list<std::pair<boost::optional<ServerDescription>, boost::thread *> > ThreadList;
+ ThreadList _threads;
+ mutable boost::mutex _mutex;
+ boost::condition _condition;
-#if HAVE_SWRESAMPLE
- SwrContext* _swr_context;
-#endif
+ boost::shared_ptr<Writer> _writer;
- std::vector<SNDFILE*> _sound_files;
- int64_t _audio_frames_written;
+ /** A thread to periodically issue broadcasts to find encoding servers */
+ boost::thread* _broadcast_thread;
+ boost::thread* _listen_thread;
};
#endif