/*
- Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2014 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
*/
-#include <dcp/types.h>
+/** @file src/lib/video_examiner.h
+ * @brief VideoExaminer class.
+ */
+
#include "types.h"
#include "video_content.h"
+#include <dcp/types.h>
+/** @class VideoExaminer
+ * @brief Parent for classes which examine video sources and obtain information about them.
+ */
class VideoExaminer
{
public:
virtual ~VideoExaminer () {}
- virtual float video_frame_rate () const = 0;
+ virtual boost::optional<float> video_frame_rate () const = 0;
virtual dcp::Size video_size () const = 0;
- virtual VideoFrame video_length () const = 0;
+ virtual ContentTime video_length () const = 0;
+ virtual boost::optional<float> sample_aspect_ratio () const {
+ return boost::optional<float> ();
+ }
};