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diff --git a/src/lib/dcp_content.h b/src/lib/dcp_content.h
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+/*
+    Copyright (C) 2014 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.
+
+*/
+
+#ifndef DCPOMATIC_DCP_CONTENT_H
+#define DCPOMATIC_DCP_CONTENT_H
+
+/** @file  src/lib/dcp_content.h
+ *  @brief DCPContent class.
+ */
+
+#include <libcxml/cxml.h>
+#include <dcp/encrypted_kdm.h>
+#include <dcp/decrypted_kdm.h>
+#include "video_content.h"
+#include "single_stream_audio_content.h"
+#include "subtitle_content.h"
+
+class DCPContentProperty
+{
+public:
+	static int const CAN_BE_PLAYED;
+};
+
+/** @class DCPContent
+ *  @brief An existing DCP used as input.
+ */
+class DCPContent : public VideoContent, public SingleStreamAudioContent, public SubtitleContent
+{
+public:
+	DCPContent (boost::shared_ptr<const Film> f, boost::filesystem::path p);
+	DCPContent (boost::shared_ptr<const Film> f, cxml::ConstNodePtr, int version);
+
+	boost::shared_ptr<DCPContent> shared_from_this () {
+		return boost::dynamic_pointer_cast<DCPContent> (Content::shared_from_this ());
+	}
+
+	DCPTime full_length () const;
+	
+	void examine (boost::shared_ptr<Job>);
+	std::string summary () const;
+	std::string technical_summary () const;
+	void as_xml (xmlpp::Node *) const;
+	std::string identifier () const;
+
+	/* SubtitleContent */
+	bool has_subtitles () const {
+		boost::mutex::scoped_lock lm (_mutex);
+		return _has_subtitles;
+	}
+	
+	boost::filesystem::path directory () const {
+		boost::mutex::scoped_lock lm (_mutex);
+		return _directory;
+	}
+
+	bool encrypted () const {
+		boost::mutex::scoped_lock lm (_mutex);
+		return _encrypted;
+	}
+
+	void add_kdm (dcp::EncryptedKDM);
+
+	boost::optional<dcp::EncryptedKDM> kdm () const {
+		return _kdm;
+	}
+
+	bool can_be_played () const;
+	
+private:
+	void read_directory (boost::filesystem::path);
+	
+	std::string _name;
+	bool _has_subtitles;
+	/** true if our DCP is encrypted */
+	bool _encrypted;
+	boost::filesystem::path _directory;
+	boost::optional<dcp::EncryptedKDM> _kdm;
+	/** true if _kdm successfully decrypts the first frame of our DCP */
+	bool _kdm_valid;
+};
+
+#endif