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/*
Copyright (C) 2012-2018 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/>.
*/
/** @file src/lib/video_decoder.h
* @brief VideoDecoder class.
*/
#ifndef DCPOMATIC_VIDEO_DECODER_H
#define DCPOMATIC_VIDEO_DECODER_H
#include "decoder.h"
#include "video_content.h"
#include "util.h"
#include "content_video.h"
#include "decoder_part.h"
#include <boost/signals2.hpp>
#include <boost/shared_ptr.hpp>
class VideoContent;
class ImageProxy;
class Image;
class Log;
class FrameIntervalChecker;
/** @class VideoDecoder
* @brief Parent for classes which decode video.
*/
class VideoDecoder : public DecoderPart
{
public:
VideoDecoder (Decoder* parent, boost::shared_ptr<const Content> c);
friend struct video_decoder_fill_test1;
friend struct video_decoder_fill_test2;
friend struct ffmpeg_pts_offset_test;
friend void ffmpeg_decoder_sequential_test_one (boost::filesystem::path file, float fps, int gaps, int video_length);
boost::optional<ContentTime> position (boost::shared_ptr<const Film>) const {
return _position;
}
void seek ();
void emit (boost::shared_ptr<const Film> film, boost::shared_ptr<const ImageProxy>, Frame frame);
boost::signals2::signal<void (ContentVideo)> Data;
private:
boost::shared_ptr<const Content> _content;
/** Frame of last thing to be emitted; only used for 3D */
boost::optional<Frame> _last_emitted_frame;
boost::optional<Eyes> _last_emitted_eyes;
boost::optional<ContentTime> _position;
boost::scoped_ptr<FrameIntervalChecker> _frame_interval_checker;
};
#endif
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