float OSDService::get_failsafe_full_ratio()
{
  float full_ratio = cct->_conf->osd_failsafe_full_ratio;
  if (full_ratio > 1.0) full_ratio /= 100.0;
  return full_ratio;
}
float OSDService::get_failsafe_full_ratio()
{
  float full_ratio = cct->_conf->osd_failsafe_full_ratio;
  if (full_ratio > 1.0) full_ratio /= 100.0;
  return full_ratio;
}