public Stream GetMediaItem(string clientDescription, WebMediaType type, int?provider, string itemId, long?startPosition) { if (!IsClientAuthorized()) { Log.Warn("Host {0} isn't authorized to call GetMediaItem", WCFUtil.GetClientIPAddress()); WCFUtil.SetResponseCode(HttpStatusCode.Unauthorized); return(Stream.Null); } try { return(_downloads.Download(clientDescription, type, provider, itemId, startPosition)); } catch (Exception ex) { WCFUtil.SetResponseCode(System.Net.HttpStatusCode.NotFound); Log.Info(String.Format("GetMediaItem() failed for type={0}; provider={1}; itemId={2}", type, provider, itemId), ex); return(Stream.Null); } }