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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/asset.h
* @brief Parent class for assets of DCPs.
*/
#ifndef LIBDCP_ASSET_H
#define LIBDCP_ASSET_H
#include <string>
#include <sigc++/sigc++.h>
#include "types.h"
namespace ASDCP {
class WriterInfo;
}
namespace libdcp
{
/** @brief Parent class for assets of DCPs
*
* These are collections of pictures or sound.
*/
class Asset
{
public:
/** Construct an Asset.
* @param directory Directory where MXF file is.
* @param mxf_name Name of MXF file.
* @param progress Signal to inform of progress.
* @param fps Frames per second.
* @param length Length in frames.
*/
Asset (std::string directory, std::string mxf_path, sigc::signal1<void, float>* progress, int fps, int length);
/** Write details of the asset to a CPL stream.
* @param s Stream.
*/
virtual void write_to_cpl (std::ostream& s) const = 0;
/** Write details of the asset to a PKL stream.
* @param s Stream.
*/
void write_to_pkl (std::ostream& s) const;
/** Write details of the asset to a ASSETMAP stream.
* @param s Stream.
*/
void write_to_assetmap (std::ostream& s) const;
virtual std::list<std::string> equals (boost::shared_ptr<const Asset> other, EqualityFlags flags) const;
protected:
friend class PictureAsset;
friend class SoundAsset;
/** Fill in a ADSCP::WriteInfo struct.
* @param w struct to fill in.
*/
void fill_writer_info (ASDCP::WriterInfo* w) const;
boost::filesystem::path mxf_path () const;
std::string digest () const;
/** Directory that our MXF file is in */
std::string _directory;
/** Name of our MXF file */
std::string _mxf_name;
/** Signal to emit to report progress */
sigc::signal1<void, float>* _progress;
/** Frames per second */
int _fps;
/** Length in frames */
int _length;
/** Our UUID */
std::string _uuid;
private:
/** Digest of our MXF */
mutable std::string _digest;
};
}
#endif
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