Function retrieve name of unit of Mediainfo field by text ID or index with given parameters.
GetUnit(FieldID [, Context]) GetUnit(FieldIndex, Context)
| FieldID | Text ID of library field. |
| FieldIndex | Index of library field. |
| Context | Context (General, Video, etc.). If omitted, General context will be used. |
Remarks
Function return translated string, if transaltion for the language exists in the MediaInfo.lng file. If not found, non-translated string will be returned.