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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_MXF_ASSET_H
#define LIBDCP_MXF_ASSET_H
#include <boost/signals2.hpp>
#include "asset.h"
#include "key.h"
#include "metadata.h"
namespace ASDCP {
class AESEncContext;
class AESDecContext;
}
/* Undefine some stuff that the OS X 10.5 SDK defines */
#undef Key
#undef set_key
namespace libdcp
{
class MXFMetadata;
/** @brief Parent class for assets which have MXF files */
class MXFAsset : public Asset
{
public:
/** Construct an MXFAsset.
* This class will not write anything to disk in this constructor, but subclasses may.
*
* @param directory Directory where MXF file is.
* @param file_name Name of MXF file.
*/
MXFAsset (boost::filesystem::path directory, boost::filesystem::path file_name);
~MXFAsset ();
virtual bool equals (boost::shared_ptr<const Asset> other, EqualityOptions opt, boost::function<void (NoteType, std::string)> note) const;
virtual void write_to_cpl (xmlpp::Element *) const;
virtual std::string key_type () const = 0;
/** Fill in a ADSCP::WriteInfo struct.
* @param w struct to fill in.
*/
void fill_writer_info (ASDCP::WriterInfo* w);
void set_progress (boost::signals2::signal<void (float)>* progress) {
_progress = progress;
}
bool encrypted () const {
return !_key_id.empty ();
}
void set_key_id (std::string i) {
_key_id = i;
}
std::string key_id () const {
return _key_id;
}
void set_key (Key);
boost::optional<Key> key () const {
return _key;
}
ASDCP::AESEncContext* encryption_context () const {
return _encryption_context;
}
void set_metadata (MXFMetadata m) {
_metadata = m;
}
MXFMetadata metadata () const {
return _metadata;
}
/** Set whether or not the asset should be written in Interop mode.
* @param i true to use interop.
*/
void set_interop (bool i) {
_interop = i;
}
bool interop () const {
return _interop;
}
protected:
virtual std::string cpl_node_name () const = 0;
virtual std::pair<std::string, std::string> cpl_node_attribute () const {
return std::make_pair ("", "");
}
/** Signal to emit to report progress, or 0 */
boost::signals2::signal<void (float)>* _progress;
ASDCP::AESEncContext* _encryption_context;
ASDCP::AESDecContext* _decryption_context;
std::string _key_id;
boost::optional<Key> _key;
MXFMetadata _metadata;
bool _interop;
};
}
#endif
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