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/*
Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
This file is part of libdcp.
libdcp 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.
libdcp 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 libdcp. If not, see <http://www.gnu.org/licenses/>.
In addition, as a special exception, the copyright holders give
permission to link the code of portions of this program with the
OpenSSL library under certain conditions as described in each
individual source file, and distribute linked combinations
including the two.
You must obey the GNU General Public License in all respects
for all of the code used other than OpenSSL. If you modify
file(s) with this exception, you may extend this exception to your
version of the file(s), but you are not obligated to do so. If you
do not wish to do so, delete this exception statement from your
version. If you delete this exception statement from all source
files in the program, then also delete it here.
*/
/** @file src/stereo_j2k_picture_frame.h
* @brief StereoJ2KPictureFrame class
*/
#ifndef LIBDCP_STEREO_J2K_PICTURE_FRAME_H
#define LIBDCP_STEREO_J2K_PICTURE_FRAME_H
#include "asset_reader.h"
#include <memory>
#include <boost/filesystem.hpp>
#include <stdint.h>
#include <string>
namespace ASDCP {
namespace JP2K {
struct SFrameBuffer;
class MXFSReader;
}
class AESDecContext;
}
namespace dcp {
class OpenJPEGImage;
class StereoJ2KPictureFrame;
/** @class StereoJ2KPictureFrame
* @brief A single frame of a 3D (stereoscopic) picture asset
*/
class StereoJ2KPictureFrame
{
public:
StereoJ2KPictureFrame ();
StereoJ2KPictureFrame (StereoJ2KPictureFrame const &) = delete;
StereoJ2KPictureFrame& operator= (StereoJ2KPictureFrame const &) = delete;
std::shared_ptr<OpenJPEGImage> xyz_image (Eye eye, int reduce = 0) const;
class Part : public Data
{
public:
Part (std::shared_ptr<ASDCP::JP2K::SFrameBuffer> buffer, Eye eye);
uint8_t const * data () const override;
uint8_t * data () override;
int size () const override;
private:
friend class StereoJ2KPictureFrame;
ASDCP::JP2K::FrameBuffer& mono () const;
std::shared_ptr<ASDCP::JP2K::SFrameBuffer> _buffer;
Eye _eye;
};
std::shared_ptr<Part> left () const;
std::shared_ptr<Part> right () const;
private:
/* XXX: this is a bit of a shame, but I tried friend StereoJ2KPictureAssetReader and it's
rejected by some (seemingly older) GCCs.
*/
friend class AssetReader<ASDCP::JP2K::MXFSReader, StereoJ2KPictureFrame>;
StereoJ2KPictureFrame (ASDCP::JP2K::MXFSReader* reader, int n, std::shared_ptr<DecryptionContext>, bool check_hmac);
std::shared_ptr<ASDCP::JP2K::SFrameBuffer> _buffer;
};
}
#endif
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