Extracts the iso 639-2 language information from specific table id in @descriptor.
Note: Use #gst_tag_get_language_code if you want to get the the ISO 639-1 language code from the returned ISO 639-2 one.
Table id of the language to parse
4-byte gchar array to hold the language code
the #GstMpegtsIso639AudioType to set
%TRUE if parsing succeeded, else %FALSE.
See Implementation
Extracts the iso 639-2 language information from specific table id in @descriptor.
Note: Use #gst_tag_get_language_code if you want to get the the ISO 639-1 language code from the returned ISO 639-2 one.