Add Film::closed_caption_languages().

[dcpomatic.git] / src / lib / film.cc

diff --git a/src/lib/film.cc b/src/lib/film.cc
index daa88282d755cfd8b6e9f3d3b4c9f576de9ee5da..dabef62bb24b230a46aeea506d06a29b14fb166b 100644 (file)
--- a/src/lib/film.cc
+++ b/src/lib/film.cc
@@ -815,6 +815,22 @@ Film::subtitle_languages () const
 }
 
 
+vector<dcp::LanguageTag>
+Film::closed_caption_languages() const
+{
+       vector<dcp::LanguageTag> result;
+       for (auto i: content()) {
+               for (auto text: i->text) {
+                       if (text->use() && text->type() == TextType::CLOSED_CAPTION && text->dcp_track() && text->dcp_track()->language) {
+                               result.push_back(*text->dcp_track()->language);
+                       }
+               }
+       }
+
+       return result;
+}
+
+
 /** @return a ISDCF-compliant name for a DCP of this film */
 string
 Film::isdcf_name (bool if_created_now) const