/*
- 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
*/
+/** @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"
class VideoContent;
class ImageProxy;
+/** @class VideoDecoder
+ * @brief Parent for classes which decode video.
+ */
class VideoDecoder : public virtual Decoder
{
public:
- VideoDecoder (boost::shared_ptr<const Film>, boost::shared_ptr<const VideoContent>);
-
- /** Seek so that the next pass() will yield (approximately) the requested frame.
- * Pass accurate = true to try harder to get close to the request.
- */
- virtual void seek (VideoContent::Frame frame, bool accurate) = 0;
-
- /** Emitted when a video frame is ready.
- * First parameter is the video image.
- * Second parameter is the eye(s) which should see this image.
- * Third parameter is the part of this image that should be used.
- * Fourth parameter is true if the image is the same as the last one that was emitted for this Eyes value.
- * Fourth parameter is the frame within our source.
- */
- boost::signals2::signal<void (boost::shared_ptr<const ImageProxy>, Eyes, Part, bool, VideoContent::Frame)> Video;
-
+ VideoDecoder (boost::shared_ptr<const VideoContent> c);
+
+ std::list<ContentVideo> get_video (VideoFrame frame, bool accurate);
+
+ boost::shared_ptr<const VideoContent> video_content () const {
+ return _video_content;
+ }
+
+#ifdef DCPOMATIC_DEBUG
+ int test_gaps;
+#endif
+
protected:
- void video (boost::shared_ptr<const ImageProxy>, bool, VideoContent::Frame);
+ void seek (ContentTime time, bool accurate);
+ void video (boost::shared_ptr<const ImageProxy>, VideoFrame frame);
+ std::list<ContentVideo> decoded_video (VideoFrame frame);
+
boost::shared_ptr<const VideoContent> _video_content;
- /** This is in frames without taking 3D into account (e.g. if we are doing 3D alternate,
- * this would equal 2 on the left-eye second frame (not 1)).
- */
- VideoContent::Frame _video_position;
+ std::list<ContentVideo> _decoded_video;
+ bool _same;
};
#endif