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/*
Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic 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.
DCP-o-matic 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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include "encode_server_description.h"
#include "resolution.h"
#include <libcxml/cxml.h>
#include <dcp/array_data.h>
#include <dcp/openjpeg_image.h>
/** @file src/dcp_video_frame.h
* @brief A single frame of video destined for a DCP.
*/
class Log;
class PlayerVideo;
/** @class DCPVideo
* @brief A single frame of video destined for a DCP.
*
* Given an Image and some settings, this class knows how to encode
* the image to J2K either on the local host or on a remote server.
*
* Objects of this class are used for the queue that we keep
* of images that require encoding.
*/
class DCPVideo
{
public:
DCPVideo (std::shared_ptr<const PlayerVideo>, int index, int dcp_fps, int bandwidth, Resolution r);
DCPVideo (std::shared_ptr<const PlayerVideo>, cxml::ConstNodePtr);
DCPVideo (DCPVideo const&) = default;
DCPVideo& operator= (DCPVideo const&) = default;
dcp::ArrayData encode_locally () const;
dcp::ArrayData encode_remotely (EncodeServerDescription, int timeout = 30) const;
int index () const {
return _index;
}
Eyes eyes () const;
bool same (std::shared_ptr<const DCPVideo> other) const;
static std::shared_ptr<dcp::OpenJPEGImage> convert_to_xyz(std::shared_ptr<const PlayerVideo> frame);
private:
void add_metadata (xmlpp::Element *) const;
std::shared_ptr<const PlayerVideo> _frame;
int _index; ///< frame index within the DCP's intrinsic duration
int _frames_per_second; ///< Frames per second that we will use for the DCP
int _j2k_bandwidth; ///< J2K bandwidth to use
Resolution _resolution; ///< Resolution (2K or 4K)
};
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