X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;ds=inline;f=src%2Flib%2Fencoder.h;h=96e7a1d25e08742597da886b84e0346c89de1caf;hb=039ac5848730d154e0b3f3dd841a55e45ba922d8;hp=ea356cec4ba05cead7b17e63f727644d77eb3f73;hpb=c55d8bcda8f4da74bbc9489127354211cea8f2ff;p=dcpomatic.git

diff --git a/src/lib/encoder.h b/src/lib/encoder.h
index ea356cec4..96e7a1d25 100644
--- a/src/lib/encoder.h
+++ b/src/lib/encoder.h
@@ -26,64 +26,79 @@
 
 #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 FilmState;
-class Options;
 class Image;
-class Log;
+class Subtitle;
+class AudioBuffers;
+class Film;
+class ServerDescription;
+class DCPVideoFrame;
+class EncodedData;
 
 /** @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
  *  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
+class Encoder : public VideoSink, public AudioSink
 {
 public:
-	Encoder (boost::shared_ptr<const FilmState> s, boost::shared_ptr<const Options> o, Log* l);
+	Encoder (boost::shared_ptr<const Film> f);
+	virtual ~Encoder ();
 
 	/** Called to indicate that a processing run is about to begin */
-	virtual void process_begin (int64_t audio_channel_layout, AVSampleFormat audio_sample_format) = 0;
+	virtual void process_begin ();
 
-	/** Called with a frame of video.
+	/** Call with a frame of video.
 	 *  @param i Video frame image.
-	 *  @param f Frame number within the film.
+	 *  @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.
 	 */
-	virtual void process_video (boost::shared_ptr<Image> i, int f) = 0;
+	void process_video (boost::shared_ptr<Image> i, bool same, boost::shared_ptr<Subtitle> s);
 
-	/** Called with some audio data.
-	 *  @param d Data.
-	 *  @param s Size of data (in bytes)
-	 */
-	virtual void process_audio (uint8_t* d, int s) = 0;
+	/** Call with some audio data */
+	void process_audio (boost::shared_ptr<AudioBuffers>);
 
 	/** Called when a processing run has finished */
-	virtual void process_end () = 0;
+	virtual void process_end ();
 
 	float current_frames_per_second () const;
 	bool skipping () const;
-	int last_frame () const;
+	int video_frames_out () const;
 
-protected:
-	void frame_done (int n);
+private:
+	
+	void frame_done ();
 	void frame_skipped ();
 	
-	/** FilmState of the film that we are encoding */
-	boost::shared_ptr<const FilmState> _fs;
-	/** Options */
-	boost::shared_ptr<const Options> _opt;
-	/** Log */
-	Log* _log;
+	void close_sound_files ();
+	void write_audio (boost::shared_ptr<const AudioBuffers> audio);
+
+	void encoder_thread (ServerDescription *);
+	void terminate_worker_threads ();
+	void link (std::string, std::string) const;
+
+	/** 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;
@@ -95,8 +110,44 @@ protected:
 	static int const _history_size;
 	/** true if the last frame we processed was skipped (because it was already done) */
 	bool _just_skipped;
-	/** Index of the last frame to be processed */
-	int _last_frame;
+
+	/** 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;
+
+	void writer_thread ();
+	void terminate_writer_thread ();
+
+#if HAVE_SWRESAMPLE	
+	SwrContext* _swr_context;
+#endif
+
+	/** List of links that we need to create when all frames have been processed;
+	 *  such that we need to call link (first, second) for each member of this list.
+	 *  In other words, `first' is a `real' frame and `second' should be a link to `first'.
+	 *  Frames are DCP frames.
+	 */
+	std::list<std::pair<int, int> > _links_required;
+
+	std::vector<SNDFILE*> _sound_files;
+
+	boost::optional<int> _last_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;
+
+	boost::thread* _writer_thread;
+	bool _terminate_writer;
+	std::list<std::pair<boost::shared_ptr<EncodedData>, int> > _write_queue;
+	mutable boost::mutex _writer_mutex;
+	boost::condition _writer_condition;
 };
 
 #endif