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diff --git a/test/video_content_scale_test.cc b/test/video_content_scale_test.cc
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+/*
+    Copyright (C) 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
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include <boost/test/unit_test.hpp>
+#include "lib/ffmpeg_content.h"
+#include "lib/ratio.h"
+
+using std::list;
+using std::string;
+using std::cerr;
+using std::stringstream;
+using boost::shared_ptr;
+using boost::optional;
+
+static
+void
+test (dcp::Size content_size, dcp::Size display_size, dcp::Size film_size, Crop crop, Ratio const * ratio, bool scale, dcp::Size correct)
+{
+	shared_ptr<Film> film;
+	stringstream s;
+	s << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
+		"<Content>"
+		"<Type>FFmpeg</Type>"
+		"<Path>/home/c.hetherington/DCP/prophet_clip.mkv</Path>"
+		"<Digest>f3f23663da5bef6d2cbaa0db066f3351314142710</Digest>"
+		"<Position>0</Position>"
+		"<TrimStart>0</TrimStart>"
+		"<TrimEnd>0</TrimEnd>"
+		"<VideoLength>2879</VideoLength>"
+		"<VideoWidth>" << content_size.width << "</VideoWidth>"
+		"<VideoHeight>" << content_size.height << "</VideoHeight>"
+		"<VideoFrameRate>23.97602462768555</VideoFrameRate>"
+		"<OriginalVideoFrameRate>23.97602462768555</OriginalVideoFrameRate>"
+		"<VideoFrameType>0</VideoFrameType>"
+		"<SampleAspectRatio>1</SampleAspectRatio>"
+		"<LeftCrop>" << crop.left << "</LeftCrop>"
+		"<RightCrop>" << crop.right << "</RightCrop>"
+		"<TopCrop>" << crop.top << "</TopCrop>"
+		"<BottomCrop>" << crop.bottom << "</BottomCrop>"
+		"<Scale>";
+
+	if (ratio) {
+		s << "<Ratio>" << ratio->id() << "</Ratio>";
+	} else {
+		s << "<Scale>" << scale << "</Scale>";
+	}
+
+	s << "</Scale>"
+		"<ColourConversion>"
+		"<InputGamma>2.4</InputGamma>"
+		"<InputGammaLinearised>1</InputGammaLinearised>"
+		"<Matrix i=\"0\" j=\"0\">0.4124564</Matrix>"
+		"<Matrix i=\"0\" j=\"1\">0.3575761</Matrix>"
+		"<Matrix i=\"0\" j=\"2\">0.1804375</Matrix>"
+		"<Matrix i=\"1\" j=\"0\">0.2126729</Matrix>"
+		"<Matrix i=\"1\" j=\"1\">0.7151522</Matrix>"
+		"<Matrix i=\"1\" j=\"2\">0.072175</Matrix>"
+		"<Matrix i=\"2\" j=\"0\">0.0193339</Matrix>"
+		"<Matrix i=\"2\" j=\"1\">0.119192</Matrix>"
+		"<Matrix i=\"2\" j=\"2\">0.9503041</Matrix>"
+		"<OutputGamma>2.6</OutputGamma>"
+		"</ColourConversion>"
+		"<AudioGain>0</AudioGain>"
+		"<AudioDelay>0</AudioDelay>"
+		"<SubtitleXOffset>0</SubtitleXOffset>"
+		"<SubtitleYOffset>0</SubtitleYOffset>"
+		"<SubtitleXScale>0</SubtitleXScale>"
+		"<SubtitleYScale>0</SubtitleYScale>"
+		"</Content>";
+
+	shared_ptr<cxml::Document> doc (new cxml::Document ());
+	doc->read_string(s.str ());
+
+	list<string> notes;
+	shared_ptr<VideoContent> vc (new FFmpegContent (film, doc, 10, notes));
+
+	optional<VideoContentScale> sc;
+	if (ratio) {
+		sc = VideoContentScale (ratio);
+	} else {
+		sc = VideoContentScale (scale);
+	}
+
+	dcp::Size answer = sc.get().size (vc, display_size, film_size, 1);
+	if (answer != correct) {
+		cerr << "Testing " << vc->video_size().width << "x" << vc->video_size().height << "\n";
+		cerr << "Testing " << display_size.width << "x" << display_size.height << "\n";
+		cerr << answer.width << "x" << answer.height << " instead of " << correct.width << "x" << correct.height << "\n";
+	}
+	BOOST_CHECK (answer == correct);
+}
+      
+/* Test scale and stretch to specified ratio */
+BOOST_AUTO_TEST_CASE (video_content_scale_test_to_ratio)
+{
+	/* To DCP */
+
+	// Flat in flat container
+	test (
+		dcp::Size (400, 200),
+		dcp::Size (1998, 1080),
+		dcp::Size (1998, 1080),
+		Crop (0, 0, 0, 0),
+		Ratio::from_id ("185"),
+		true,
+		dcp::Size (1998, 1080)
+		);
+
+	// Scope in flat container
+	test (
+		dcp::Size (400, 200),
+		dcp::Size (1998, 1080),
+		dcp::Size (1998, 1080),
+		Crop (0, 0, 0, 0),
+		Ratio::from_id ("239"),
+		true,
+		dcp::Size (1998, 837)
+		);
+	
+	// Flat in scope container
+	test (
+		dcp::Size (400, 200),
+		dcp::Size (2048, 858),
+		dcp::Size (2048, 858),
+		Crop (0, 0, 0, 0),
+		Ratio::from_id ("185"),
+		true,
+		dcp::Size (1587, 858)
+		);
+
+	
+	/* To player */
+
+	// Flat in flat container
+	test (
+		dcp::Size (400, 200),
+		dcp::Size (185, 100),
+		dcp::Size (1998, 1080),
+		Crop (0, 0, 0, 0),
+		Ratio::from_id ("185"),
+		true,
+		dcp::Size (185, 100)
+		);
+
+	// Scope in flat container
+	test (
+		dcp::Size (400, 200),
+		dcp::Size (185, 100),
+		dcp::Size (1998, 1080),
+		Crop (0, 0, 0, 0),
+		Ratio::from_id ("239"),
+		true,
+		dcp::Size (185, 78)
+		);
+	
+	// Flat in scope container
+	test (
+		dcp::Size (400, 200),
+		dcp::Size (239, 100),
+		dcp::Size (2048, 858),
+		Crop (0, 0, 0, 0),
+		Ratio::from_id ("185"),
+		true,
+		dcp::Size (185, 100)
+		);
+}