X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fwriter.h;h=486d7d672aa31357b330259cfa89bffc9fbfff0b;hb=e60bb3e51bd1508b149e6b8f6608f09b5196ae26;hp=e2807d71240612090aed3541d641fd9b9619c0ca;hpb=6ffb6bf6681b709a21c8a42da213590117ad33d6;p=dcpomatic.git

diff --git a/src/lib/writer.h b/src/lib/writer.h
index e2807d712..486d7d672 100644
--- a/src/lib/writer.h
+++ b/src/lib/writer.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2015 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
@@ -17,19 +17,28 @@
 
 */
 
-#include <list>
+/** @file  src/lib/writer.h
+ *  @brief Writer class.
+ */
+
+#include "exceptions.h"
+#include "types.h"
+#include "player_subtitles.h"
+#include "data.h"
+#include <dcp/picture_asset_writer.h>
 #include <boost/shared_ptr.hpp>
+#include <boost/weak_ptr.hpp>
 #include <boost/thread.hpp>
 #include <boost/thread/condition.hpp>
-#include "exceptions.h"
-#include "types.h"
+#include <list>
 
 class Film;
-class EncodedData;
+class Data;
 class AudioBuffers;
 class Job;
+class Font;
 
-namespace libdcp {
+namespace dcp {
 	class MonoPictureAsset;
 	class MonoPictureAssetWriter;
 	class StereoPictureAsset;
@@ -38,11 +47,16 @@ namespace libdcp {
 	class PictureAssetWriter;
 	class SoundAsset;
 	class SoundAssetWriter;
+	class SubtitleAsset;
 }
 
 struct QueueItem
 {
 public:
+	QueueItem ()
+		: size (0)
+	{}
+
 	enum Type {
 		/** a normal frame with some JPEG200 data */
 		FULL,
@@ -51,12 +65,11 @@ public:
 		    state but we use the data that is already on disk.
 		*/
 		FAKE,
-		/** this is a repeat of the last frame to be written */
-		REPEAT
+		REPEAT,
 	} type;
 
 	/** encoded data for FULL */
-	boost::shared_ptr<const EncodedData> encoded;
+	boost::optional<Data> encoded;
 	/** size of data for FAKE */
 	int size;
 	/** frame index */
@@ -67,25 +80,45 @@ public:
 bool operator< (QueueItem const & a, QueueItem const & b);
 bool operator== (QueueItem const & a, QueueItem const & b);
 
+/** @class Writer
+ *  @brief Class to manage writing JPEG2000 and audio data to assets on disk.
+ *
+ *  This class creates sound and picture assets, then takes Data
+ *  or AudioBuffers objects (containing image or sound data respectively)
+ *  and writes them to the assets.
+ *
+ *  ::write() for Data can be called out of order, and the Writer
+ *  will sort it out.  write() for AudioBuffers must be called in order.
+ */
+
 class Writer : public ExceptionStore, public boost::noncopyable
 {
 public:
 	Writer (boost::shared_ptr<const Film>, boost::weak_ptr<Job>);
+	~Writer ();
 
 	bool can_fake_write (int) const;
-	
-	void write (boost::shared_ptr<const EncodedData>, int, Eyes);
+
+	void write (Data, int, Eyes);
 	void fake_write (int, Eyes);
+	void repeat (int, Eyes);
 	void write (boost::shared_ptr<const AudioBuffers>);
-	void repeat (int f, Eyes);
+	void write (PlayerSubtitles subs);
+	void write (std::list<boost::shared_ptr<Font> > fonts);
 	void finish ();
 
+	void set_encoder_threads (int threads);
+
 private:
 
 	void thread ();
-	void check_existing_picture_mxf ();
-	bool check_existing_picture_mxf_frame (FILE *, int, Eyes);
+	void terminate_thread (bool);
+	void check_existing_picture_asset ();
+	bool check_existing_picture_asset_frame (FILE *, int, Eyes);
 	bool have_sequenced_image_at_queue_head ();
+	void write_frame_info (int frame, Eyes eyes, dcp::FrameInfo info) const;
+	long frame_info_position (int frame, Eyes eyes) const;
+	dcp::FrameInfo read_frame_info (FILE* file, int frame, Eyes eyes) const;
 
 	/** our Film */
 	boost::shared_ptr<const Film> _film;
@@ -107,29 +140,31 @@ private:
 	boost::condition _empty_condition;
 	/** condition to manage thread wakeups when we have too much to do */
 	boost::condition _full_condition;
-	/** the data of the last written frame, or 0 if there isn't one */
-	boost::shared_ptr<const EncodedData> _last_written[EYES_COUNT];
+	/** the data of the last written frame, if there is one */
+	boost::optional<Data> _last_written[EYES_COUNT];
 	/** the index of the last written frame */
 	int _last_written_frame;
 	Eyes _last_written_eyes;
 	/** maximum number of frames to hold in memory, for when we are managing
-	    ordering
-	*/
-	static const int _maximum_frames_in_memory;
+	 *  ordering
+	 */
+	int _maximum_frames_in_memory;
 
 	/** number of FULL written frames */
 	int _full_written;
 	/** number of FAKE written frames */
 	int _fake_written;
-	/** number of REPEAT written frames */
 	int _repeat_written;
 	/** number of frames pushed to disk and then recovered
 	    due to the limit of frames to be held in memory.
 	*/
 	int _pushed_to_disk;
-	
-	boost::shared_ptr<libdcp::PictureAsset> _picture_asset;
-	boost::shared_ptr<libdcp::PictureAssetWriter> _picture_asset_writer;
-	boost::shared_ptr<libdcp::SoundAsset> _sound_asset;
-	boost::shared_ptr<libdcp::SoundAssetWriter> _sound_asset_writer;
+
+	boost::shared_ptr<dcp::PictureAsset> _picture_asset;
+	boost::shared_ptr<dcp::PictureAssetWriter> _picture_asset_writer;
+	boost::shared_ptr<dcp::SoundAsset> _sound_asset;
+	boost::shared_ptr<dcp::SoundAssetWriter> _sound_asset_writer;
+	boost::shared_ptr<dcp::SubtitleAsset> _subtitle_asset;
+
+	std::list<boost::shared_ptr<Font> > _fonts;
 };