language codes. Free with [glib.global.strfreev] when no longer needed.
tagGetLanguageCodes
fn
string[] tagGetLanguageCodes()Returns a list of known language codes (in form of two-letter ISO-639-1 codes). This is useful for UIs to build a list of available languages for tagging purposes (e.g. to tag an audio track appropriately in a video or audio editor).
Returns
NULL-terminated string array with two-letter