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/*
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
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.
*/
/** @file src/reel_mxf.h
* @brief ReelMXF
*/
#ifndef LIBDCP_REEL_ENCRYPTABLE_ASSET_H
#define LIBDCP_REEL_ENCRYPTABLE_ASSET_H
#include <boost/optional.hpp>
#include <boost/shared_ptr.hpp>
#include <string>
namespace cxml {
class Node;
}
namespace dcp {
/** @class ReelMXF
* @brief Part of a Reel's description which refers to an asset which can be encrypted.
*/
class ReelMXF
{
public:
ReelMXF () {}
ReelMXF (boost::optional<std::string> key_id);
ReelMXF (boost::shared_ptr<const cxml::Node>);
/** @return the 4-character key type for this MXF (MDIK, MDAK, etc.) */
virtual std::string key_type () const = 0;
/** @return true if a KeyId is specified for this asset, implying
* that its content is encrypted.
*/
bool encrypted () const {
return static_cast<bool>(_key_id);
}
/** @return Key ID to describe the key that encrypts this asset's
* content, if there is one.
*/
boost::optional<std::string> key_id () const {
return _key_id;
}
private:
boost::optional<std::string> _key_id; ///< The <KeyId> from the reel's entry for this asset, if there is one
};
}
#endif
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