/*
- Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2016 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
*/
+/** @file src/lib/video_decoder.h
+ * @brief VideoDecoder class.
+ */
+
#ifndef DCPOMATIC_VIDEO_DECODER_H
#define DCPOMATIC_VIDEO_DECODER_H
-#include <boost/signals2.hpp>
-#include <boost/shared_ptr.hpp>
#include "decoder.h"
#include "video_content.h"
#include "util.h"
#include "content_video.h"
+#include <boost/signals2.hpp>
+#include <boost/shared_ptr.hpp>
class VideoContent;
+class ImageProxy;
class Image;
+class Log;
-class VideoDecoder : public virtual Decoder
+/** @class VideoDecoder
+ * @brief Parent for classes which decode video.
+ */
+class VideoDecoder
{
public:
- VideoDecoder (boost::shared_ptr<const VideoContent> c);
+ VideoDecoder (Decoder* parent, boost::shared_ptr<const Content> c, boost::shared_ptr<Log> log);
- boost::optional<ContentVideo> get_video (VideoFrame frame, bool accurate);
+ std::list<ContentVideo> get (Frame frame, bool accurate);
- boost::shared_ptr<const VideoContent> video_content () const {
- return _video_content;
+ void set_ignore ();
+ bool ignore () const {
+ return _ignore;
}
#ifdef DCPOMATIC_DEBUG
int test_gaps;
#endif
-protected:
+ 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 video (boost::shared_ptr<const Image>, VideoFrame frame);
- boost::optional<ContentVideo> decoded_video (VideoFrame frame);
+ void give (boost::shared_ptr<const ImageProxy>, Frame frame);
+
+private:
+
+ std::list<ContentVideo> decoded (Frame frame);
+ void fill_one_eye (Frame from, Frame to, Eyes);
+ void fill_both_eyes (Frame from, Frame to, Eyes);
- boost::shared_ptr<const VideoContent> _video_content;
- std::list<ContentVideo> _decoded_video;
+ Decoder* _parent;
+ boost::shared_ptr<const Content> _content;
+ boost::shared_ptr<Log> _log;
+ std::list<ContentVideo> _decoded;
+ boost::shared_ptr<Image> _black_image;
+ boost::optional<ContentTime> _last_seek_time;
+ bool _last_seek_accurate;
+ /** true if this decoder should ignore all video; i.e. never produce any */
+ bool _ignore;
+ /** 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;
};
#endif