1 files changed, 65 insertions, 0 deletions
diff --git a/src/mca_sub_descriptor.h b/src/mca_sub_descriptor.h
new file mode 100644
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+++ b/src/mca_sub_descriptor.h
@@ -0,0 +1,65 @@
+/*
+    Copyright (C) 2026 Carl Hetherington <cth@carlh.net>
+
+    This file is part of libdcp.
+
+    libdcp is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    libdcp is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with libdcp.  If not, see <http://www.gnu.org/licenses/>.
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of portions of this program with the
+    OpenSSL library under certain conditions as described in each
+    individual source file, and distribute linked combinations
+    including the two.
+
+    You must obey the GNU General Public License in all respects
+    for all of the code used other than OpenSSL.  If you modify
+    file(s) with this exception, you may extend this exception to your
+    version of the file(s), but you are not obligated to do so.  If you
+    do not wish to do so, delete this exception statement from your
+    version.  If you delete this exception statement from all source
+    files in the program, then also delete it here.
+*/
+
+
+#include <libcxml/cxml.h>
+#include <boost/optional.hpp>
+#include <string>
+
+
+namespace dcp {
+
+
+class MCASubDescriptor
+{
+public:
+	explicit MCASubDescriptor(std::string tag_)
+		: tag(std::move(tag_))
+	{}
+	explicit MCASubDescriptor(cxml::ConstNodePtr node);
+
+	void as_xml(xmlpp::Element* node) const;
+
+	std::string tag;
+	std::string instance_id;
+	std::string mca_label_dictionary_id;
+	std::string mca_link_id;
+	std::string mca_tag_symbol;
+	boost::optional<std::string> mca_tag_name;
+	boost::optional<std::string> mca_channel_id;
+	boost::optional<std::string> rfc5646_spoken_language;
+	boost::optional<std::string> soundfield_group_link_id;
+};
+
+
+}