Bv2.1 6.2.1: Check that additional subtitle languages conform to RFC 5646.

2 files changed, 9 insertions, 0 deletions

diff --git a/src/cpl.h b/src/cpl.h
index 316a5504..8d7c76e4 100644
--- a/src/cpl.h
+++ b/src/cpl.h
@@ -54,6 +54,9 @@
 #include <vector>
 
 
+struct verify_invalid_sound_reel_and_additional_language;
+
+
 namespace dcp {
 
 
@@ -280,6 +283,8 @@ protected:
 	std::string pkl_type (Standard standard) const;
 
 private:
+	friend struct ::verify_invalid_sound_reel_and_additional_language;
+
 	void maybe_write_composition_metadata_asset (xmlpp::Element* node) const;
 	void read_composition_metadata_asset (cxml::ConstNodePtr node);
 
diff --git a/src/verify.cc b/src/verify.cc
index e5deb789..16233021 100644
--- a/src/verify.cc
+++ b/src/verify.cc
@@ -643,6 +643,10 @@ dcp::verify (
 			stage ("Checking CPL", cpl->file());
 			validate_xml (cpl->file().get(), xsd_dtd_directory, notes);
 
+			BOOST_FOREACH (string const& i, cpl->additional_subtitle_languages()) {
+				verify_language_tag (i, notes);
+			}
+
 			/* Check that the CPL's hash corresponds to the PKL */
 			BOOST_FOREACH (shared_ptr<PKL> i, dcp->pkls()) {
 				optional<string> h = i->hash(cpl->id());