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/*
Copyright (C) 2015-2016 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 DCPOMATIC_JPEG2000_ENCODER_H
#define DCPOMATIC_JPEG2000_ENCODER_H
#include "types.h"
#include <dcp/types.h>
#include <dcp/data.h>
#include <boost/shared_ptr.hpp>
#include <boost/optional.hpp>
#include <list>
namespace dcp {
class OpenJPEGImage;
}
class JPEG2000Encoder
{
public:
virtual ~JPEG2000Encoder () {}
/** @return Internationalised descriptive name for this encoder */
virtual std::string name () const = 0;
/** @return Non-internationalised ID for this encoder */
virtual std::string id () const = 0;
/** @param input XYZ input frame.
* @param note_handler Handler for notes about the encode.
* @return Encoded JPEG2000 data.
*/
dcp::Data encode (
boost::shared_ptr<const dcp::OpenJPEGImage> input,
int bandwidth,
int frame_rate,
Resolution resolution,
bool threed
);
static void setup_encoders ();
/** @return Return all available JPEG2000 encoders in order of preference (best first) */
static std::vector<boost::shared_ptr<JPEG2000Encoder> > all ();
static boost::shared_ptr<JPEG2000Encoder> from_id (std::string id);
protected:
virtual dcp::Data do_encode (
boost::shared_ptr<const dcp::OpenJPEGImage> input
) = 0;
virtual void parameters_changed () {}
boost::optional<int> _bandwidth;
boost::optional<int> _frame_rate;
boost::optional<Resolution> _resolution;
boost::optional<bool> _threed;
static std::vector<boost::shared_ptr<JPEG2000Encoder> > _encoders;
};
#endif
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