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/*
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.
*/
#ifndef LIBDCP_CPL_H
#define LIBDCP_CPL_H
#include <list>
#include <boost/shared_ptr.hpp>
#include <boost/function.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>
#include <boost/optional.hpp>
#include <boost/filesystem.hpp>
#include <libxml++/libxml++.h>
#include "types.h"
#include "certificates.h"
#include "key.h"
namespace libdcp {
namespace parse {
class AssetMap;
class AssetMapAsset;
}
class Asset;
class Reel;
class XMLMetadata;
class MXFMetadata;
class Signer;
class KDM;
/** @brief A CPL within a DCP */
class CPL
{
public:
CPL (boost::filesystem::path directory, std::string name, ContentKind content_kind, int length, int frames_per_second);
CPL (boost::filesystem::path, std::string file, std::list<PathAssetMap> asset_maps, bool require_mxfs = true);
void add_reel (boost::shared_ptr<Reel> reel);
/** @return the length in frames */
int length () const {
return _length;
}
/** @return the type of the content, used by media servers
* to categorise things (e.g. feature, trailer, etc.)
*/
ContentKind content_kind () const {
return _content_kind;
}
std::list<boost::shared_ptr<Reel> > reels () const {
return _reels;
}
/** @return the CPL's name, as will be presented on projector
* media servers and theatre management systems.
*/
std::string name () const {
return _name;
}
/** @return the number of frames per second */
int frames_per_second () const {
return _fps;
}
std::list<boost::shared_ptr<const Asset> > assets () const;
bool encrypted () const;
std::string id () const {
return _id;
}
bool equals (CPL const & other, EqualityOptions options, boost::function<void (NoteType, std::string)> note) const;
void write_xml (bool, XMLMetadata const &, boost::shared_ptr<const Signer>) const;
void write_to_assetmap (xmlpp::Node *) const;
void write_to_pkl (xmlpp::Node *) const;
/** Make a KDM for this CPL.
* @param signer Details of the certificates and private key to sign the KDM with.
* @param recipient_cert The certificate of the projector that this KDM is targeted at. This will contain the
* projector's public key which is used to encrypt the content keys.
* @param key Private key used to encrypt the MXFs referenced by this CPL.
* @param from Time that the KDM should be valid from.
* @param until Time that the KDM should be valid until.
* @param interop true to generate an interop KDM, false for SMPTE.
*/
boost::shared_ptr<xmlpp::Document> make_kdm (
boost::shared_ptr<const Signer> signer,
boost::shared_ptr<const Certificate> recipient_cert,
Key key,
boost::posix_time::ptime from,
boost::posix_time::ptime until,
bool interop,
MXFMetadata const &,
XMLMetadata const &
) const;
void add_kdm (KDM const &);
private:
std::pair<std::string, boost::shared_ptr<const parse::AssetMapAsset> > asset_from_id (std::list<PathAssetMap>, std::string id) const;
boost::filesystem::path _directory;
/** the name of the DCP */
std::string _name;
/** the content kind of the CPL */
ContentKind _content_kind;
/** length in frames */
mutable int _length;
/** frames per second */
int _fps;
/** reels */
std::list<boost::shared_ptr<Reel> > _reels;
/** our UUID */
std::string _id;
/** a SHA1 digest of our XML */
mutable std::string _digest;
};
}
#endif
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