From 4347d97b703cfddcd322051092ccfcd5b5a6b941 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Fri, 20 Nov 2020 00:53:20 +0100
Subject: Subtitle language handling tweaks; write multiple subtitle languages
 to SMPTE extended metadata.

---
 src/lib/writer.cc | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/lib/writer.cc')

diff --git a/src/lib/writer.cc b/src/lib/writer.cc
index 79e5ad73b..a9700f4f5 100644
--- a/src/lib/writer.cc
+++ b/src/lib/writer.cc
@@ -620,6 +620,11 @@ Writer::finish ()
 	cpl->set_main_picture_stored_area (_film->frame_size());
 	cpl->set_main_picture_active_area (_film->active_area());
 
+	vector<dcp::LanguageTag> sl = _film->subtitle_languages();
+	if (sl.size() > 1) {
+		cpl->set_additional_subtitle_languages(std::vector<dcp::LanguageTag>(sl.begin() + 1, sl.end()));
+	}
+
 	shared_ptr<const dcp::CertificateChain> signer;
 	signer = Config::instance()->signer_chain ();
 	/* We did check earlier, but check again here to be on the safe side */
-- 
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