/*
- Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ 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.
- This program is distributed in the hope that it will be useful,
+ 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 this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ 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/mono_picture_frame.h
- * @brief MonoPictureFrame class.
+ * @brief MonoPictureFrame class
*/
+
+#ifndef LIBDCP_MONO_PICTURE_FRAME_H
+#define LIBDCP_MONO_PICTURE_FRAME_H
+
+
+#include "asset_reader.h"
#include "types.h"
-#include <boost/shared_ptr.hpp>
-#include <boost/noncopyable.hpp>
#include <boost/filesystem.hpp>
-#include <string>
+#include <boost/optional.hpp>
+#include <memory>
#include <stdint.h>
+#include <string>
+
namespace ASDCP {
namespace JP2K {
class FrameBuffer;
+ class MXFReader;
}
class AESDecContext;
}
+
namespace dcp {
-class ARGBFrame;
+
+class OpenJPEGImage;
+
/** @class MonoPictureFrame
- * @brief A single frame of a 2D (monoscopic) picture asset.
+ * @brief A single frame of a 2D (monoscopic) picture asset
*/
-class MonoPictureFrame : public boost::noncopyable
+class MonoPictureFrame : public Data
{
public:
- MonoPictureFrame (boost::filesystem::path mxf_path, int n, ASDCP::AESDecContext *);
- ~MonoPictureFrame ();
+ /** Make a picture frame from a JPEG2000 file.
+ * @param path Path to JPEG2000 file.
+ */
+ explicit MonoPictureFrame (boost::filesystem::path path);
+ MonoPictureFrame (uint8_t const * data, int size);
+
+ MonoPictureFrame (MonoPictureFrame const&) = delete;
+ MonoPictureFrame& operator= (MonoPictureFrame const&) = delete;
+
+ /** @param reduce a factor by which to reduce the resolution
+ * of the image, expressed as a power of two (pass 0 for no
+ * reduction).
+ */
+ std::shared_ptr<OpenJPEGImage> xyz_image (int reduce = 0) const;
+
+ /** @return Pointer to JPEG2000 data */
+ uint8_t const * data () const override;
- boost::shared_ptr<ARGBFrame> argb_frame (int reduce = 0, float srgb_gamma = 2.4) const;
- uint8_t const * j2k_data () const;
- int j2k_size () const;
+ /** @return Pointer to JPEG2000 data */
+ uint8_t* data () override;
+
+ /** @return Size of JPEG2000 data in bytes */
+ int size () const override;
private:
- ASDCP::JP2K::FrameBuffer* _buffer;
+ /* XXX: this is a bit of a shame, but I tried friend MonoPictureAssetReader and it's
+ rejected by some (seemingly older) GCCs.
+ */
+ friend class AssetReader<ASDCP::JP2K::MXFReader, MonoPictureFrame>;
+
+ MonoPictureFrame (ASDCP::JP2K::MXFReader* reader, int n, std::shared_ptr<DecryptionContext>, bool check_hmac);
+
+ std::shared_ptr<ASDCP::JP2K::FrameBuffer> _buffer;
};
}
+
+#endif