From 1f342aad4040b6aa05e8eee13e53153f899c3d9e Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Thu, 2 Jul 2020 20:16:05 +0200
Subject: Fix failure to import DCPs since Atmos changes.

---
 src/lib/atmos_content.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/lib/atmos_content.cc b/src/lib/atmos_content.cc
index 58e009c67..2e59b92b7 100644
--- a/src/lib/atmos_content.cc
+++ b/src/lib/atmos_content.cc
@@ -50,6 +50,10 @@ AtmosContent::AtmosContent (Content* parent, cxml::ConstNodePtr node)
 shared_ptr<AtmosContent>
 AtmosContent::from_xml (Content* parent, cxml::ConstNodePtr node)
 {
+	if (!node->optional_node_child("AtmosLength")) {
+		return shared_ptr<AtmosContent>();
+	}
+
 	return shared_ptr<AtmosContent> (new AtmosContent(parent, node));
 }
 
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