From 45f9912aa850546e319e32a4052517d67f4e3d8f Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Tue, 15 Oct 2013 15:26:04 +0100
Subject: Allow no-stretch scaling of video content.

---
 src/lib/util.cc | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/lib/util.cc')

diff --git a/src/lib/util.cc b/src/lib/util.cc
index b13d905bf..1c4347233 100644
--- a/src/lib/util.cc
+++ b/src/lib/util.cc
@@ -882,3 +882,12 @@ make_signer ()
 	return shared_ptr<const libdcp::Signer> (new libdcp::Signer (chain, signer_key));
 }
 
+libdcp::Size
+fit_ratio_within (float ratio, libdcp::Size full_frame)
+{
+	if (ratio < full_frame.ratio ()) {
+		return libdcp::Size (full_frame.height * ratio, full_frame.height);
+	}
+	
+	return libdcp::Size (full_frame.width, full_frame.width / ratio);
+}
-- 
cgit v1.2.3