-vector<dcp::LanguageTag>
-Film::audio_languages () const
-{
- vector<dcp::LanguageTag> result;
- for (auto i: content()) {
- if (i->audio && !i->audio->mapping().mapped_output_channels().empty() && i->audio->language()) {
- result.push_back (i->audio->language().get());
- }
- }
-
- std::sort (result.begin(), result.end());
- auto last = std::unique (result.begin(), result.end());
- result.erase (last, result.end());
- return result;
-}
-
-