private CCTVServerInfo getPreferServer(string videoId)
{
CCTVServerInfo preferServer = _currentServer;
CCTVDeviceInfo di = _clientHub.GetDeviceInfo(videoId);
if (di != null && !string.IsNullOrWhiteSpace(di.PreferredServerId))
{
CCTVServerInfo temp = _clientHub.GetServerInfo(di.PreferredServerId);
if (temp != null && !string.IsNullOrWhiteSpace(temp.StreamServerIp))
{
preferServer = temp;
}
}
return(preferServer);
}