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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"
namespace libdcp
{
/** @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 (std::string directory, std::string file_name);
/** 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.
* @param progress Signal to use to inform of progress, or 0.
* @param edit_rate Edit rate in frames per second (usually equal to the video frame rate).
* @param intrinsic_duration Duration of the whole asset in frames.
*/
MXFAsset (std::string directory, std::string file_name, boost::signals2::signal<void (float)>* progress, int edit_rate, int intrinsic_duration);
void set_entry_point (int e) {
_entry_point = e;
}
void set_duration (int d) {
_duration = d;
}
void set_intrinsic_duration (int d) {
_intrinsic_duration = d;
}
virtual bool equals (boost::shared_ptr<const Asset> other, EqualityOptions opt, std::list<std::string>& notes) const;
int intrinsic_duration () const {
return _intrinsic_duration;
}
int edit_rate () const {
return _edit_rate;
}
/** Fill in a ADSCP::WriteInfo struct.
* @param w struct to fill in.
* @param uuid uuid to use.
*/
static void fill_writer_info (ASDCP::WriterInfo* w, std::string uuid);
protected:
/** Signal to emit to report progress, or 0 */
boost::signals2::signal<void (float)>* _progress;
/** The edit rate; this is normally equal to the number of video frames per second */
int _edit_rate;
/** Start point to present in frames */
int _entry_point;
/** Total length in frames */
int _intrinsic_duration;
/** Length to present in frames */
int _duration;
};
}
#endif
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