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authorCarl Hetherington <cth@carlh.net>2013-10-15 15:26:04 +0100
committerCarl Hetherington <cth@carlh.net>2013-10-15 15:26:04 +0100
commit45f9912aa850546e319e32a4052517d67f4e3d8f (patch)
treef92b43f73e82cd09bf6a3bea29147aafa9c59d79 /src/lib/util.cc
parent708dacb8247c73c02b6192464325738203ca001a (diff)
Allow no-stretch scaling of video content.
Diffstat (limited to 'src/lib/util.cc')
-rw-r--r--src/lib/util.cc9
1 files changed, 9 insertions, 0 deletions
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);
+}