X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fvideo_examiner.h;h=3c8f71757f1cbce6d6a2c226bb023dee28ea5ed7;hb=b6a6cda147625ccd09738cd338136ea5911a95e8;hp=68469380ce4d5f261f81c85bc787b0b3fd06a358;hpb=58588c485eac7c488a574fe923576f109ec0134e;p=dcpomatic.git

diff --git a/src/lib/video_examiner.h b/src/lib/video_examiner.h
index 68469380c..3c8f71757 100644
--- a/src/lib/video_examiner.h
+++ b/src/lib/video_examiner.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013-2015 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
@@ -17,15 +17,26 @@
 
 */
 
-#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<double> video_frame_rate () const = 0;
 	virtual dcp::Size video_size () const = 0;
-	virtual VideoFrame video_length () const = 0;
+	virtual Frame video_length () const = 0;
+	virtual boost::optional<double> sample_aspect_ratio () const {
+		return boost::optional<double> ();
+	}
+	virtual bool yuv () const = 0;
 };