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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.
*/
/** @file src/dcp.h
* @brief A class to create or read a DCP.
*/
#ifndef LIBDCP_DCP_H
#define LIBDCP_DCP_H
#include <string>
#include <vector>
#include <boost/shared_ptr.hpp>
#include <boost/signals2.hpp>
#include "types.h"
#include "certificates.h"
namespace xmlpp {
class Document;
class Element;
}
/** @brief Namespace for everything in libdcp */
namespace libdcp
{
class Asset;
class PictureAsset;
class SoundAsset;
class SubtitleAsset;
class Reel;
class CPL;
class XMLMetadata;
class Signer;
class KDM;
namespace parse {
class AssetMap;
}
/** @class DCP
* @brief A class to create or read a DCP.
*/
class DCP : public boost::noncopyable
{
public:
/** Construct a DCP. You can pass an existing DCP's directory
* as the parameter, or a non-existant folder to create a new
* DCP in.
*
* @param directory Directory containing the DCP's files.
*/
DCP (boost::filesystem::path directory);
void read (bool require_mxfs = true);
/** Read an existing DCP's assets.
*
* The DCP's XML metadata will be examined, and you can then look at the contents
* of the DCP.
*/
void read_assets ();
void read_cpls (bool require_mxfs = true);
/** Write the required XML files to the directory that was
* passed into the constructor.
*/
void write_xml (bool interop, XMLMetadata const &, boost::shared_ptr<const Signer> signer = boost::shared_ptr<const Signer> ()) const;
/** Compare this DCP with another, according to various options.
* @param other DCP to compare this one to.
* @param options Options to define what "equality" means.
* @return true if the DCPs are equal according to EqualityOptions, otherwise false.
*/
bool equals (DCP const & other, EqualityOptions options, boost::function<void (NoteType, std::string)> note) const;
/** Add a CPL to this DCP.
* @param cpl CPL to add.
*/
void add_cpl (boost::shared_ptr<CPL> cpl);
/** @return The list of CPLs in this DCP */
std::list<boost::shared_ptr<CPL> > cpls () const {
return _cpls;
}
/** Add another DCP as a source of assets for this DCP. This should be called before
* ::read() on the DCP that needs the extra assets. For example
*
* DCP original_version ("my_dcp_OV");
* DCP supplemental ("my_dcp_VF");
* supplemental.add_assets_from (original_version);
* supplemental.read ();
*/
void add_assets_from (libdcp::DCP const &);
bool encrypted () const;
void add_kdm (KDM const &);
/** Emitted with a parameter between 0 and 1 to indicate progress
* for long jobs.
*/
boost::signals2::signal<void (float)> Progress;
private:
/** Write the PKL file.
* @param pkl_uuid UUID to use.
*/
std::string write_pkl (std::string pkl_uuid, bool, XMLMetadata const &, boost::shared_ptr<const Signer>) const;
/** Write the VOLINDEX file */
void write_volindex (bool) const;
/** Write the ASSETMAP file.
* @param pkl_uuid UUID of our PKL.
* @param pkl_length Length of our PKL in bytes.
*/
void write_assetmap (std::string pkl_uuid, int pkl_length, bool, XMLMetadata const &) const;
/** @return Assets in all the CPLs in this DCP */
std::list<boost::shared_ptr<const Asset> > assets () const;
struct Files {
std::list<std::string> cpls;
std::string pkl;
std::string asset_map;
};
Files _files;
/** the directory that we are writing to */
boost::filesystem::path _directory;
/** our CPLs */
std::list<boost::shared_ptr<CPL> > _cpls;
std::list<PathAssetMap> _asset_maps;
};
}
#endif
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