/*
- Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
*/
+
/** @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, boost::shared_ptr<Log> log);
-
- std::list<ContentVideo> get (Frame frame, bool accurate);
-
-#ifdef DCPOMATIC_DEBUG
- int test_gaps;
-#endif
+ VideoDecoder (Decoder* parent, std::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);
- void seek (ContentTime time, bool accurate);
- void give (boost::shared_ptr<const ImageProxy>, Frame frame);
+ boost::optional<dcpomatic::ContentTime> position (std::shared_ptr<const Film>) const {
+ return _position;
+ }
-private:
+ void seek ();
+ void emit (std::shared_ptr<const Film> film, std::shared_ptr<const ImageProxy>, Frame frame);
- std::list<ContentVideo> decoded (Frame frame);
- void fill_one_eye (Frame from, Frame to, Eyes);
- void fill_both_eyes (VideoFrame from, VideoFrame to);
-
- boost::shared_ptr<const Content> _content;
- std::list<ContentVideo> _decoded;
- boost::shared_ptr<Image> _black_image;
- boost::optional<ContentTime> _last_seek_time;
- bool _last_seek_accurate;
- /** if set, this is a frame for which we got no data because the Decoder said
- * it has no more to give.
- */
- boost::optional<Frame> _no_data_frame;
+ boost::signals2::signal<void (ContentVideo)> Data;
+
+private:
+ std::shared_ptr<const Content> _content;
+ /** Eyes of last thing to be emitted; only used for THREE_D_ALTERNATE */
+ boost::optional<Eyes> _last_emitted_eyes;
+ boost::optional<dcpomatic::ContentTime> _position;
+ boost::scoped_ptr<FrameIntervalChecker> _frame_interval_checker;
};
+
#endif