Don't try to set empty languages on CCAP tracks.

diff --git a/src/lib/reel_writer.cc b/src/lib/reel_writer.cc
index fa84180f000179b5605804f944d96532c86d43f4..16b34d7856cf1e54023ef56faa537fb88c04e47a 100644 (file)
--- a/src/lib/reel_writer.cc
+++ b/src/lib/reel_writer.cc
@@ -708,7 +708,7 @@ ReelWriter::write (PlayerText subs, TextType type, optional<DCPTextTrack> track,
                        s->set_metadata (mxf_metadata());
                        if (type == TEXT_OPEN_SUBTITLE && !lang.empty()) {
                                s->set_language (lang.front());
                        s->set_metadata (mxf_metadata());
                        if (type == TEXT_OPEN_SUBTITLE && !lang.empty()) {
                                s->set_language (lang.front());

-                       } else {
+                       } else if (track && !track->language.empty()) {

                                s->set_language (dcp::LanguageTag(track->language));
                        }
                        s->set_edit_rate (dcp::Fraction (_film->video_frame_rate (), 1));
                                s->set_language (dcp::LanguageTag(track->language));
                        }
                        s->set_edit_rate (dcp::Fraction (_film->video_frame_rate (), 1));