Add writer class to pull some stuff out of Encoder.

1 files changed, 60 insertions, 0 deletions

diff --git a/src/lib/writer.h b/src/lib/writer.h
new file mode 100644
index 000000000..8156308a6
--- /dev/null
+++ b/src/lib/writer.h
@@ -0,0 +1,60 @@
+/*
+    Copyright (C) 2012 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
+    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,
+    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.
+
+*/
+
+#include <list>
+#include <boost/shared_ptr.hpp>
+#include <boost/thread.hpp>
+#include <boost/thread/condition.hpp>
+
+class Film;
+class EncodedData;
+
+namespace libdcp {
+	class MonoPictureAsset;
+	class MonoPictureAssetWriter;
+}
+
+class Writer
+{
+public:
+	Writer (boost::shared_ptr<const Film>);
+	
+	void write (boost::shared_ptr<EncodedData>, int);
+	void repeat (int f);
+	void finish ();
+
+private:
+
+	void thread ();
+
+	boost::shared_ptr<const Film> _film;
+
+	boost::thread* _thread;
+	bool _finish;
+	std::list<std::pair<boost::shared_ptr<EncodedData>, int> > _queue;
+	mutable boost::mutex _mutex;
+	boost::condition _condition;
+	boost::shared_ptr<EncodedData> _last_written;
+	std::list<int> _pending;
+	int _last_written_frame;
+	static const unsigned int _maximum_frames_in_memory;
+
+	boost::shared_ptr<libdcp::MonoPictureAsset> _picture_asset;
+	boost::shared_ptr<libdcp::MonoPictureAssetWriter> _picture_asset_writer;
+};