2 Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
4 This file is part of libdcp.
6 libdcp is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 libdcp is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with libdcp. If not, see <http://www.gnu.org/licenses/>.
20 /** @file src/reel_mxf.h
24 #ifndef LIBDCP_REEL_ENCRYPTABLE_ASSET_H
25 #define LIBDCP_REEL_ENCRYPTABLE_ASSET_H
27 #include <boost/optional.hpp>
28 #include <boost/shared_ptr.hpp>
38 * @brief Part of a Reel's description which refers to an asset which can be encrypted.
44 explicit ReelMXF (boost::optional<std::string> key_id);
45 explicit ReelMXF (boost::shared_ptr<const cxml::Node>);
46 virtual ~ReelMXF () {}
48 /** @return the 4-character key type for this MXF (MDIK, MDAK, etc.) */
49 virtual std::string key_type () const = 0;
51 /** @return true if a KeyId is specified for this asset, implying
52 * that its content is encrypted.
54 bool encrypted () const {
55 return static_cast<bool>(_key_id);
58 /** @return Key ID to describe the key that encrypts this asset's
59 * content, if there is one.
61 boost::optional<std::string> key_id () const {
66 boost::optional<std::string> _key_id; ///< The <KeyId> from the reel's entry for this asset, if there is one