X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Futil.h;h=7e7a7b96bcadded154f19d924cfdcd3667e096a7;hb=6b9aeb06323b50fb4d02477f8fcccf8ddad83ad1;hp=c62b98df65c140cfcedc90d13cbfca36e45dd181;hpb=8377ed4386af507038b3d0528c25068ee3275bb7;p=dcpomatic.git

diff --git a/src/lib/util.h b/src/lib/util.h
index c62b98df6..7e7a7b96b 100644
--- a/src/lib/util.h
+++ b/src/lib/util.h
@@ -32,6 +32,7 @@
 #include "dcpomatic_time.h"
 #include "pixel_quanta.h"
 #include "types.h"
+#include <libcxml/cxml.h>
 #include <dcp/atmos_asset.h>
 #include <dcp/decrypted_kdm.h>
 #include <dcp/util.h>
@@ -150,4 +151,15 @@ list_to_vector (std::list<T> v)
 	return l;
 }
 
+template <class T>
+T
+number_attribute(cxml::ConstNodePtr node, std::string name1, std::string name2)
+{
+	auto value = node->optional_number_attribute<T>(name1);
+	if (!value) {
+		value = node->number_attribute<T>(name2);
+	}
+	return *value;
+}
+
 #endif