def change_selected_device(self, dev_selected):
if self.dev_selected_name != dev_selected: logging.info("New device selected: {}".format(dev_selected))
self.dev_selected_name, self.dev_selected_vend_id, self.dev_selected_prod_id, self.dev_selected_serial_num = UvcCapture.parse_human_friendly_identifier(dev_selected)
