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/*
Copyright (C) 2014-2018 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 "image_proxy.h"
#include <dcp/array_data.h>
#include <boost/thread/mutex.hpp>
#include <boost/filesystem.hpp>
class FFmpegImageProxy : public ImageProxy
{
public:
explicit FFmpegImageProxy (boost::filesystem::path);
explicit FFmpegImageProxy (dcp::ArrayData);
explicit FFmpegImageProxy (std::shared_ptr<Socket> socket);
Result image (
Image::Alignment alignment,
boost::optional<dcp::Size> size = boost::optional<dcp::Size> ()
) const override;
void add_metadata(xmlpp::Element*) const override;
void write_to_socket (std::shared_ptr<Socket>) const override;
bool same (std::shared_ptr<const ImageProxy> other) const override;
size_t memory_used () const override;
int avio_read (uint8_t* buffer, int const amount);
int64_t avio_seek (int64_t const pos, int whence);
private:
dcp::ArrayData _data;
mutable int64_t _pos;
/** Path of a file that this image came from, if applicable; stored so that
failed-decode errors can give more detail.
*/
boost::optional<boost::filesystem::path> _path;
mutable std::shared_ptr<const Image> _image;
mutable boost::mutex _mutex;
};
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