Initial butler work.

1 files changed, 60 insertions, 0 deletions

diff --git a/src/lib/butler.h b/src/lib/butler.h
new file mode 100644
index 000000000..d801d6cf9
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+++ b/src/lib/butler.h
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+/*
+    Copyright (C) 2016-2017 Carl Hetherington <cth@carlh.net>
+
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic 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.
+
+    DCP-o-matic 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 DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include "video_ring_buffers.h"
+#include <boost/shared_ptr.hpp>
+#include <boost/weak_ptr.hpp>
+#include <boost/thread.hpp>
+#include <boost/thread/condition.hpp>
+#include <boost/signals2.hpp>
+
+class Film;
+class Player;
+class PlayerVideo;
+
+class Butler : public boost::noncopyable
+{
+public:
+	Butler (boost::weak_ptr<const Film> film, boost::shared_ptr<Player> player);
+	~Butler ();
+
+	void seek (DCPTime position, bool accurate);
+	std::pair<boost::shared_ptr<PlayerVideo>, DCPTime> get_video ();
+
+private:
+	void thread ();
+	void video (boost::shared_ptr<PlayerVideo> video, DCPTime time);
+
+	boost::weak_ptr<const Film> _film;
+	boost::shared_ptr<Player> _player;
+	boost::thread* _thread;
+
+	VideoRingBuffers _video;
+
+	boost::mutex _mutex;
+	boost::condition _summon;
+	boost::condition _arrived;
+	boost::optional<DCPTime> _pending_seek_position;
+	bool _pending_seek_accurate;
+
+	bool _finished;
+
+	boost::signals2::scoped_connection _player_video_connection;
+};