public Task <ReturnMessage> StartLiveStream(LiveParameter liveParameter, VideoStreamInfo[] videoStreamInfos, int count) { var checkTask = _meetingManager.CheckMeetingServerStatus(); if (checkTask != null) { return(checkTask); } var tcs = new TaskCallback <ReturnMessage>("StartLiveStream"); if (_meetingManager.TaskCallbacks.ContainsKey(tcs.Name)) { _meetingManager.TaskCallbacks.Remove(tcs.Name); } _meetingManager.TaskCallbacks.Add(tcs.Name, tcs); var liveParam = new LiveParam() { m_nAudioBitrate = 64, m_nBitsPerSample = 16, m_nChannels = 1, m_nHeight = liveParameter.Height, m_nIsLive = 1, m_nIsRecord = 0, m_nSampleRate = 8000, m_nVideoBitrate = liveParameter.VideoBitrate, m_nWidth = liveParameter.Width, m_sRecordFilePath = liveParameter.RecordFilePath, // m_url1 = "http://gslb.butel.com/live/live.butel.com/3a9d", m_url1 = liveParameter.Url1, m_url2 = liveParameter.Url2 }; var liveVideoStreamInfos = new List <LiveVideoStreamInfo>(); foreach (var videoStreamInfo in videoStreamInfos) { liveVideoStreamInfos.Add(new LiveVideoStreamInfo() { Handle = videoStreamInfo.Handle, Height = videoStreamInfo.Height, Width = videoStreamInfo.Width, XLocation = videoStreamInfo.X, YLocation = videoStreamInfo.Y }); } var result = MeetingAgent.StartLiveStream(liveParam, liveVideoStreamInfos.ToArray(), liveVideoStreamInfos.Count); return(result != 0 ? Task.FromResult(MessageManager.FailedToStartLiveStream) : tcs.Task); }