/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2014 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
#ifndef DCPOMATIC_VIDEO_DECODER_H
#define DCPOMATIC_VIDEO_DECODER_H
-#include "video_source.h"
+#include <boost/signals2.hpp>
+#include <boost/shared_ptr.hpp>
#include "decoder.h"
+#include "video_content.h"
+#include "util.h"
+#include "content_video.h"
class VideoContent;
+class Image;
-class VideoDecoder : public VideoSource, public virtual Decoder
+class VideoDecoder : public virtual Decoder
{
public:
- VideoDecoder (boost::shared_ptr<const Film>);
+ VideoDecoder (boost::shared_ptr<const VideoContent> c);
- /** @return video frame rate second, or 0 if unknown */
- virtual float video_frame_rate () const = 0;
- /** @return native size in pixels */
- virtual libdcp::Size native_size () const = 0;
- /** @return length according to our content's header */
- virtual ContentVideoFrame video_length () const = 0;
+ boost::optional<ContentVideo> get_video (VideoFrame frame, bool accurate);
- virtual int time_base_numerator () const = 0;
- virtual int time_base_denominator () const = 0;
- virtual int sample_aspect_ratio_numerator () const = 0;
- virtual int sample_aspect_ratio_denominator () const = 0;
-
- void set_progress (Job *) const;
-
- int video_frame () const {
- return _video_frame;
- }
-
- double last_content_time () const {
- return _last_content_time;
+ boost::shared_ptr<const VideoContent> video_content () const {
+ return _video_content;
}
protected:
-
- virtual PixelFormat pixel_format () const = 0;
-
- void emit_video (boost::shared_ptr<Image>, double);
- void emit_subtitle (boost::shared_ptr<TimedSubtitle>);
- bool have_last_video () const;
- void repeat_last_video (double);
-
-private:
- void signal_video (boost::shared_ptr<Image>, bool, boost::shared_ptr<Subtitle>, double);
- int _video_frame;
- double _last_content_time;
-
- boost::shared_ptr<TimedSubtitle> _timed_subtitle;
+ void seek (ContentTime time, bool accurate);
+ void video (boost::shared_ptr<const Image>, VideoFrame frame);
+ boost::optional<ContentVideo> decoded_video (VideoFrame frame);
- boost::shared_ptr<Image> _last_image;
- boost::shared_ptr<Subtitle> _last_subtitle;
+ boost::shared_ptr<const VideoContent> _video_content;
+ std::list<ContentVideo> _decoded_video;
};
#endif