+
+ if (dynamic_pointer_cast<dcp::ReelSubtitleAsset>(asset.asset)) {
+ _have_subtitles = true;
+ } else if (auto ccap = dynamic_pointer_cast<dcp::ReelClosedCaptionAsset>(asset.asset)) {
+ /* This feels quite fragile. We have a referenced reel and want to know if it's
+ * part of a given closed-caption track so that we can fill if it has any
+ * missing reels. I guess for that purpose almost any DCPTextTrack values are
+ * fine so long as they are consistent.
+ */
+ DCPTextTrack track;
+ track.name = ccap->annotation_text().get_value_or("");
+ track.language = dcp::LanguageTag(ccap->language().get_value_or("en-US"));
+ if (_have_closed_captions.find(track) == _have_closed_captions.end()) {
+ _have_closed_captions.insert(track);
+ }
+ }