Quicktime uses ISO 639-2 for language codes, but GST_TAG_LANGUAGE is supposed to hold a ISO 639-1 code, so convert as needed using the new API from -base. See #602126.
Quicktime uses ISO 639-2 for language codes, but GST_TAG_LANGUAGE is supposed to hold a ISO 639-1 code, so convert as needed using the new API from -base. See #602126.