Made Duration, EventStartPosition, and EventComment properties optional, as per ST377

1 files changed, 3 insertions, 3 deletions

diff --git a/src/Metadata.h b/src/Metadata.h
index ebdb288..b2466ef 100755
--- a/src/Metadata.h
+++ b/src/Metadata.h
@@ -658,9 +658,9 @@ namespace ASDCP
 	public:
 	  const Dictionary*& m_Dict;
           UL DataDefinition;
-          ui64_t EventStartPosition;
-          ui64_t Duration;
-          UTF16String EventComment;
+          optional_property<ui64_t > Duration;
+          optional_property<ui64_t > EventStartPosition;
+          optional_property<UTF16String > EventComment;
           UUID DMFramework;
 
       DMSegment(const Dictionary*& d);