@_check_player_is_active<EOL><INDENT>@_from_dbus_type<EOL>def set_aspect_mode(self, mode):<DEDENT>
self._player_interface.SetAspectMode(ObjectPath('<STR_LIT>'), String(mode))<EOL>
Set the aspect mode of the video

Args:
    mode (str): One of ("letterbox" | "fill" | "stretch")