private void DoSetting(Socket web_client, string[] routePathParams) { if (routePathParams.Length < 4) { return; } // /setting/padding/0/left/right int previewOutputChannel = int.Parse(routePathParams[3]) - 1; int paddingLeft = int.Parse(routePathParams[4]); int paddingRight = int.Parse(routePathParams[5]); ConsoleService.GetInstance().LogMsg("DoSetting previewOutputChannel " + previewOutputChannel + " paddingLeft " + paddingLeft + " paddingRight " + paddingRight, LogType.Log); PreviewImageService.GetInstance().SetScreenPadding(previewOutputChannel, paddingLeft, paddingRight); //报文头部 string head = Header(); byte[] headBytes = Encoding.UTF8.GetBytes(head); web_client.Send(headBytes); byte[] result = Encoding.ASCII.GetBytes("SUCCESS"); web_client.Send(result); web_client.Close(10); web_client.Dispose(); }
private void CaptureScreenTask() { while (running) { //检查是否有连接 lock (Program.mjpegServer.SocketList) { if (Program.mjpegServer.SocketList.Count == 0) { Thread.Sleep(1000 / Program.frame); continue; } } int previewGridCount = Program.gridX * Program.gridY; int previewTotal = 0; lock (screenDataList) { previewTotal = ((screenDataList.Count - 1) / previewGridCount) + 1; } for (int outputChannel = 0; outputChannel < previewTotal; outputChannel++) { Bitmap outputPreviewBitmap = GetScreenPreviewBitmap(outputChannel); lock (outputPreviewBitmap) { System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(outputPreviewBitmap); //清空画布并以透明背景色填充 g.Clear(System.Drawing.Color.Transparent); for (int oid = 1; oid <= previewGridCount; oid++) { int screenId = oid + outputChannel * previewGridCount; RestfulScreenData restfulScreenData = GetRestfulScreenData(screenId); if (restfulScreenData == null) { continue; } int previewStartId = ((screenId - 1) - outputChannel * previewGridCount); int targetX = previewStartId % Program.gridX; int targetY = previewStartId / Program.gridX; //左右偏移 Rectangle captuRectangle = new Rectangle(int.Parse(restfulScreenData.x) - int.Parse(restfulScreenData.paddingLeft), int.Parse(restfulScreenData.y), int.Parse(restfulScreenData.width) + int.Parse(restfulScreenData.paddingLeft) + int.Parse(restfulScreenData.paddingRight), int.Parse(restfulScreenData.height)); try { Bitmap screenBitmap = ImageHelper.CaptureScreen(captuRectangle); //设置高质量插值法 g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.Default; //设置高质量,低速度呈现平滑程度 g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality; Rectangle targetRectangle = new System.Drawing.Rectangle( targetX * Program.previewWidth / Program.gridX, targetY * Program.previewheight / Program.gridY, Program.previewWidth / Program.gridX, Program.previewheight / Program.gridY); ImageHelper.MakeThumbnail(targetRectangle, screenBitmap, g); Console.WriteLine("###CaptureScreenTask previewStartId " + previewStartId + " targetRectangle.x " + targetRectangle.X + " targetRectangle.y " + targetRectangle.Y); //是否分屏幕图片内存 screenBitmap.Dispose(); } catch (Exception e) { ConsoleService.GetInstance().LogMsg(" CaptureScreenTask " + e.StackTrace, LogType.Error); } } g.Dispose(); } } Thread.Sleep(1000 / Program.frame); } }
/// <summary> /// 接受处理http的请求 /// </summary> /// <param name="ar"></param> private void OnAccept(IAsyncResult ar) { Socket web_client = null; try { Socket socket = ar.AsyncState as Socket; web_client = socket.EndAccept(ar); web_client.SendBufferSize = 1024; web_client.SendTimeout = 10000; socket.BeginAccept(new AsyncCallback(OnAccept), socket); lock (_socketList) { if (_socketList.IndexOf(web_client) == -1) { _socketList.Add(web_client); } } byte[] recv_Buffer = new byte[1024 * 640]; int recv_Count = web_client.Receive(recv_Buffer); string recv_request = Encoding.UTF8.GetString(recv_Buffer, 0, recv_Count); Console.WriteLine("Data Request:" + recv_request); //将请求显示到界面 ConsoleService.GetInstance().LogMsg("Data Request:" + recv_request, LogType.Log); string routePath = RouteHandle(recv_request); ConsoleService.GetInstance().LogMsg("Data Request routePath :" + routePath, LogType.Log); Console.WriteLine("Data Request routePath :" + routePath); //解析地址首字段 /preview/0/normal , /setting/padding/0/left/right , /heart/ string[] routePathParams = routePath.Split('/'); //参数问题 if (routePathParams.Length < 2) { web_client.Close(10); } else { string requestCmd = routePathParams[1]; if (requestCmd.Equals("preview")) { //预监 DoPreview(web_client, routePathParams); } else if (requestCmd.Equals("setting")) { //设置 DoSetting(web_client, routePathParams); } else if (requestCmd.Equals("heart")) { //设置 DoHeart(web_client, routePathParams); } } } catch (Exception ex) { Console.WriteLine("处理http请求断开" + Environment.NewLine + "\t" + ex.Message); } finally { lock (_socketList) { if (_socketList.IndexOf(web_client) >= 0) { _socketList.Remove(web_client); } } web_client.Close(10); web_client.Dispose(); ConsoleService.GetInstance().LogMsg("web_client.Close ", LogType.Log); } }
private void DoPreview(Socket web_client, string[] routePathParams) { if (routePathParams.Length < 4) { return; } try { //预监路径输出路数索引 string previewOutputChannel = routePathParams[2]; Console.WriteLine("Data Request previewOutputChannel :" + previewOutputChannel); //报文头部 string head = Header(); byte[] headBytes = Encoding.UTF8.GetBytes(head); web_client.Send(headBytes); //根据预监输出图像路数索引值去预监图像服务查找图像数据 while (web_client.Connected) { Bitmap screenPreviewBitmap = PreviewImageService.GetInstance().GetScreenPreviewBitmap(int.Parse(previewOutputChannel)); lock (screenPreviewBitmap) { if (screenPreviewBitmap == null) { web_client.Close(); return; } EncoderParameters encoderParameters = new EncoderParameters(1); EncoderParameter encoderParameter = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 50L); encoderParameters.Param[0] = encoderParameter; MemoryStream ms = new MemoryStream(); screenPreviewBitmap.Save(ms, GetImageCodecInfo(ImageFormat.Jpeg), encoderParameters); byte[] screenBitmapBytes = ms.GetBuffer(); ms.Close(); ms.Dispose(); byte[] payloadarray = Encoding.ASCII.GetBytes(PayloadHeader(screenBitmapBytes.Length)); web_client.Send(payloadarray); //图像数据 web_client.Send(screenBitmapBytes); } Thread.Sleep(1000 / Program.frame); } } catch (Exception ex) { Console.WriteLine("处理http请求断开" + Environment.NewLine + "\t" + ex.Message); } finally { web_client.Close(10); web_client.Dispose(); ConsoleService.GetInstance().LogMsg("web_client.Close ", LogType.Log); } }
static void Main(string[] args) { ConsoleService.GetInstance().Init(); ConsoleService.GetInstance().LogMsg(" Start Mjpeg Server", LogType.Log); string configXml = "./AppScreensSettings.xml"; if (args.Length >= 7) { port = int.Parse(args[0]); gridX = int.Parse(args[1]); gridY = int.Parse(args[2]); previewWidth = int.Parse(args[3]); previewheight = int.Parse(args[4]); frame = int.Parse(args[5]); configXml = args[6]; ConsoleService.GetInstance().LogMsg(" Start Mjpeg Server args " + args[0] + " " + args[1] + " " + args[2] + " " + args[3] + " " + args[4] + " " + args[5] + " " + args[6], LogType.Log); } else { //warnning ConsoleService.GetInstance().LogMsg(" Start Mjpeg Server without args ", LogType.Log); } ConsoleService.GetInstance().LogMsg(" XmlDocument load " + configXml, LogType.Log); try { var xmlDoc = new XmlDocument(); xmlDoc.Load(configXml); XmlElement root = xmlDoc.DocumentElement; XmlNodeList xmlScreenNodeList = root.SelectNodes("/AppSettings/Screes/Screen"); foreach (XmlNode screenNode in xmlScreenNodeList) { XmlNode curXmlNode = screenNode.FirstChild; string id = curXmlNode.InnerText; curXmlNode = curXmlNode.NextSibling; string x = curXmlNode.InnerText; curXmlNode = curXmlNode.NextSibling; string y = curXmlNode.InnerText; curXmlNode = curXmlNode.NextSibling; string width = curXmlNode.InnerText; curXmlNode = curXmlNode.NextSibling; string height = curXmlNode.InnerText; RestfulScreenData screenData = new RestfulScreenData(); screenData.id = id; screenData.x = x; screenData.y = y; screenData.width = width; screenData.height = height; screenData.paddingRight = "0"; screenData.paddingLeft = "0"; screenNodeList.Add(screenData); } //启动预监服务器 mjpegServer = new MjpegServer(port); mjpegServer.Start(); ConsoleService.GetInstance().LogMsg(" Start PreviewImageService", LogType.Log); //启动预监画面服务 PreviewImageService.GetInstance().Init(screenNodeList); } catch (Exception e) { Console.WriteLine(e); ConsoleService.GetInstance().LogMsg("Start Error " + e.Message, LogType.Error); } string cmd = Console.ReadLine(); while (!cmd.Equals("bye")) { cmd = Console.ReadLine(); } }