/*
- Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2021 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
*/
+
/** @file src/lib/video_examiner.h
* @brief VideoExaminer class.
*/
-#include "types.h"
+
+#include "pixel_quanta.h"
#include "video_content.h"
#include <dcp/types.h>
+
/** @class VideoExaminer
* @brief Parent for classes which examine video sources and obtain information about them.
*/
{
public:
virtual ~VideoExaminer () {}
+
+ virtual bool has_video () const = 0;
+
+ /** @return video frame rate (if known); must not be called if has_video() == false */
virtual boost::optional<double> video_frame_rate () const = 0;
+ /** @return video size; must not be called if has_video() == false */
virtual dcp::Size video_size () const = 0;
+ /** @return video length in frames; must not be called if has_video() == false */
virtual Frame video_length () const = 0;
+ /** @return video sample aspect ratio (if known); must not be called if has_video() == false */
virtual boost::optional<double> sample_aspect_ratio () const {
- return boost::optional<double> ();
+ return {};
}
+ /** @return true if this video is in YUV; must not be called if has_video() == false */
virtual bool yuv () const = 0;
+ virtual VideoRange range () const = 0;
+ virtual PixelQuanta pixel_quanta () const = 0;
};