为了实现视频聊天的功能,搜索了以下c#相关的文章,但绝大部分都是以avicap32.dll为主,但实验结果,好像只能驱动设想头,如果要是显示视频,很多人都推荐DirectShow或者WebCam. 搜索WebCam_Capture.dll的实例,然后整理. 虽然基本实现cs的视频聊天功能. using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Net; using System.Net.Sockets; using System.Threading; using System.IO; using System.Data; using Voice; namespace Conference_System { /// /// Summary description for Form1. /// public class Form1 : System.Windows.Forms.Form { #region page controls private System.Windows.Forms.Button button1; private System.Windows.Forms.Button button2; private System.Windows.Forms.Label label3; private System.Windows.Forms.Label label1; private System.Windows.Forms.Label label2; private System.Windows.Forms.TextBox text_SendingPort; private System.Windows.Forms.TextBox text_IP; private System.Windows.Forms.TextBox text_ReceiveingPORT; private System.Windows.Forms.PictureBox pictureBox1; private System.Windows.Forms.PictureBox pictureBox2; private System.Windows.Forms.Label label4; private System.Windows.Forms.Label label5; private System.Windows.Forms.Label label6; private System.Windows.Forms.Label label7; private System.Windows.Forms.Button button3; private System.Windows.Forms.Button button4; private WebCam_Capture.WebCamCapture webCamCapture1; private System.Windows.Forms.TextBox text_Camera_rec_port; private System.Windows.Forms.Timer Capturing; private System.Windows.Forms.TextBox text_Camera_send_port; private WebCam_Capture.WebCamCapture WebCamCapture; private System.Windows.Forms.LinkLabel linkLabel1; private System.ComponentModel.IContainer components; #endregion protected int portRect = -1; public Form1() { // // Required for Windows Form Designer support // InitializeComponent(); r = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp); t = new Thread(new ThreadStart(Voice_In)); // // TODO: Add any constructor code after InitializeComponent call // } /// /// Clean up any resources being used. /// protected override void Dispose( bool disposing ) { if( disposing ) { if (components != null) { components.Dispose(); } } base.Dispose( disposing ); } #region Windows Form Designer generated code /// /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// private void InitializeComponent() { this.components = new System.ComponentModel.Container(); this.button1 = new System.Windows.Forms.Button(); this.button2 = new System.Windows.Forms.Button(); this.text_SendingPort = new System.Windows.Forms.TextBox(); this.text_IP = new System.Windows.Forms.TextBox(); this.label3 = new System.Windows.Forms.Label(); this.text_ReceiveingPORT = new System.Windows.Forms.TextBox(); this.label1 = new System.Windows.Forms.Label(); this.label2 = new System.Windows.Forms.Label(); this.pictureBox1 = new System.Windows.Forms.PictureBox(); this.pictureBox2 = new System.Windows.Forms.PictureBox(); this.label4 = new System.Windows.Forms.Label(); this.label5 = new System.Windows.Forms.Label(); this.text_Camera_rec_port = new System.Windows.Forms.TextBox(); this.label6 = new System.Windows.Forms.Label(); this.label7 = new System.Windows.Forms.Label(); this.button3 = new System.Windows.Forms.Button(); this.button4 = new System.Windows.Forms.Button(); this.Capturing = new System.Windows.Forms.Timer(this.components); this.text_Camera_send_port = new System.Windows.Forms.TextBox(); this.WebCamCapture = new WebCam_Capture.WebCamCapture(); this.linkLabel1 = new System.Windows.Forms.LinkLabel(); ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit(); ((System.ComponentModel.ISupportInitialize)(this.pictureBox2)).BeginInit(); this.SuspendLayout(); // // button1 // this.button1.FlatStyle = System.Windows.Forms.FlatStyle.Flat; this.button1.Location = new System.Drawing.Point(317, 310); this.button1.Name = "button1"; this.button1.Size = new System.Drawing.Size(173, 26); this.button1.TabIndex = 0; this.button1.Text = "Start Talking"; this.button1.Click += new System.EventHandler(this.button1_Click); // // button2 // this.button2.FlatStyle = System.Windows.Forms.FlatStyle.Flat; this.button2.Location = new System.Drawing.Point(317, 345); this.button2.Name = "button2"; this.button2.Size = new System.Drawing.Size(173, 25); this.button2.TabIndex = 1; this.button2.Text = "Stop Voice"; this.button2.Click += new System.EventHandler(this.button2_Click); // // text_SendingPort // this.text_SendingPort.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle; this.text_SendingPort.Location = new System.Drawing.Point(182, 319); this.text_SendingPort.Name = "text_SendingPort"; this.text_SendingPort.Size = new System.Drawing.Size(125, 21); this.text_SendingPort.TabIndex = 12; this.text_SendingPort.Text = "9000"; // // text_IP // this.text_IP.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle; this.text_IP.Location = new System.Drawing.Point(130, 9); this.text_IP.Name = "text_IP"; this.text_IP.Size = new System.Drawing.Size(307, 21); this.text_IP.TabIndex = 10; this.text_IP.Text = "127.0.0.1"; // // label3 // this.label3.Location = new System.Drawing.Point(19, 319); this.label3.Name = "label3"; this.label3.Size = new System.Drawing.Size(154, 17); this.label3.TabIndex = 11; this.label3.Text = "Sending Voice Port"; // // text_ReceiveingPORT // this.text_ReceiveingPORT.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle; this.text_ReceiveingPORT.Location = new System.Drawing.Point(182, 345); this.text_ReceiveingPORT.Name = "text_ReceiveingPORT"; this.text_ReceiveingPORT.Size = new System.Drawing.Size(125, 21); this.text_ReceiveingPORT.TabIndex = 14; this.text_ReceiveingPORT.Text = "9001"; // // label1 // this.label1.Location = new System.Drawing.Point(19, 345); this.label1.Name = "label1"; this.label1.Size = new System.Drawing.Size(154, 17); this.label1.TabIndex = 13; this.label1.Text = "Receiveing Voice Port"; // // label2 // this.label2.Font = new System.Drawing.Font("Microsoft Sans Serif", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(178))); this.label2.Location = new System.Drawing.Point(18, 9); this.label2.Name = "label2"; this.label2.Size = new System.Drawing.Size(106, 26); this.label2.TabIndex = 15; this.label2.Text = "Talk With"; // // pictureBox1 // this.pictureBox1.BackColor = System.Drawing.Color.DimGray; this.pictureBox1.Location = new System.Drawing.Point(10, 60); this.pictureBox1.Name = "pictureBox1"; this.pictureBox1.Size = new System.Drawing.Size(192, 173); this.pictureBox1.TabIndex = 16; this.pictureBox1.TabStop = false; // // pictureBox2 // this.pictureBox2.BackColor = System.Drawing.Color.DimGray; this.pictureBox2.Location = new System.Drawing.Point(288, 60); this.pictureBox2.Name = "pictureBox2"; this.pictureBox2.Size = new System.Drawing.Size(192, 173); this.pictureBox2.TabIndex = 17; this.pictureBox2.TabStop = false; // // label4 // this.label4.Location = new System.Drawing.Point(29, 43); this.label4.Name = "label4"; this.label4.Size = new System.Drawing.Size(153, 17); this.label4.TabIndex = 18; this.label4.Text = "My Camera"; // // label5 // this.label5.Location = new System.Drawing.Point(307, 43); this.label5.Name = "label5"; this.label5.Size = new System.Drawing.Size(154, 17); this.label5.TabIndex = 19; this.label5.Text = "Remote Camera"; // // text_Camera_rec_port // this.text_Camera_rec_port.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle; this.text_Camera_rec_port.Location = new System.Drawing.Point(182, 276); this.text_Camera_rec_port.Name = "text_Camera_rec_port"; this.text_Camera_rec_port.Size = new System.Drawing.Size(125, 21); this.text_Camera_rec_port.TabIndex = 24; this.text_Camera_rec_port.Text = "8001"; // // label6 // this.label6.Location = new System.Drawing.Point(19, 276); this.label6.Name = "label6"; this.label6.Size = new System.Drawing.Size(154, 17); this.label6.TabIndex = 23; this.label6.Text = "Receiveing Video Port"; // // label7 // this.label7.Location = new System.Drawing.Point(19, 250); this.label7.Name = "label7"; this.label7.Size = new System.Drawing.Size(154, 17); this.label7.TabIndex = 21; this.label7.Text = "Sending Video Port"; // // button3 // this.button3.FlatStyle = System.Windows.Forms.FlatStyle.Flat; this.button3.Location = new System.Drawing.Point(317, 276); this.button3.Name = "button3"; this.button3.Size = new System.Drawing.Size(173, 26); this.button3.TabIndex = 26; this.button3.Text = "Stop Camera"; this.button3.Click += new System.EventHandler(this.button3_Click); // // button4 // this.button4.FlatStyle = System.Windows.Forms.FlatStyle.Flat; this.button4.Location = new System.Drawing.Point(317, 241); this.button4.Name = "button4"; this.button4.Size = new System.Drawing.Size(173, 26); this.button4.TabIndex = 25; this.button4.Text = "Start Camera"; this.button4.Click += new System.EventHandler(this.button4_Click); // // Capturing // this.Capturing.Tick += new System.EventHandler(this.Capturing_Tick); // // text_Camera_send_port // this.text_Camera_send_port.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle; this.text_Camera_send_port.Location = new System.Drawing.Point(182, 241); this.text_Camera_send_port.Name = "text_Camera_send_port"; this.text_Camera_send_port.Size = new System.Drawing.Size(125, 21); this.text_Camera_send_port.TabIndex = 27; this.text_Camera_send_port.Text = "8000"; // // WebCamCapture // this.WebCamCapture.CaptureHeight = 240; this.WebCamCapture.CaptureWidth = 320; this.WebCamCapture.FrameNumber = ((ulong)(0ul)); this.WebCamCapture.Location = new System.Drawing.Point(17, 17); this.WebCamCapture.Name = "WebCamCapture"; this.WebCamCapture.Size = new System.Drawing.Size(342, 252); this.WebCamCapture.TabIndex = 0; this.WebCamCapture.TimeToCapture_milliseconds = 100; this.WebCamCapture.ImageCaptured += new WebCam_Capture.WebCamCapture.WebCamEventHandler(this.WebCamCapture_ImageCaptured); // // linkLabel1 // this.linkLabel1.Location = new System.Drawing.Point(163, 33); this.linkLabel1.Name = "linkLabel1"; this.linkLabel1.Size = new System.Drawing.Size(125, 17); this.linkLabel1.TabIndex = 28; this.linkLabel1.TabStop = true; this.linkLabel1.Text = "www.fadidotnet.org"; // // Form1 // this.AutoScaleBaseSize = new System.Drawing.Size(6, 14); this.ClientSize = new System.Drawing.Size(526, 396); this.Controls.Add(this.linkLabel1); this.Controls.Add(this.text_Camera_send_port); this.Controls.Add(this.button3); this.Controls.Add(this.button4); this.Controls.Add(this.text_Camera_rec_port); this.Controls.Add(this.label6); this.Controls.Add(this.label7); this.Controls.Add(this.label5); this.Controls.Add(this.label4); this.Controls.Add(this.pictureBox2); this.Controls.Add(this.pictureBox1); this.Controls.Add(this.label2); this.Controls.Add(this.text_ReceiveingPORT); this.Controls.Add(this.label1); this.Controls.Add(this.text_SendingPort); this.Controls.Add(this.text_IP); this.Controls.Add(this.label3); this.Controls.Add(this.button2); this.Controls.Add(this.button1); this.MaximizeBox = false; this.Name = "Form1"; this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen; this.Text = "Video/Voice Conference System - By FADI Abdel-qader"; this.Load += new System.EventHandler(this.Form1_Load); this.Closing += new System.ComponentModel.CancelEventHandler(this.Form1_Closing); ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit(); ((System.ComponentModel.ISupportInitialize)(this.pictureBox2)).EndInit(); this.ResumeLayout(false); this.PerformLayout(); } #endregion /// /// The main entry point for the application. /// [STAThread] static void Main() { Application.Run(new Form1()); } #region Voice_In() private void Voice_In() { byte[] br; r.Bind(new IPEndPoint(IPAddress.Any, int.Parse(text_ReceiveingPORT.Text))); while (true) { br = new byte[16384]; r.Receive(br); m_Fifo.Write(br, 0, br.Length); } } #endregion #region Voice_Out() private void Voice_Out(IntPtr data, int size) { //for Recorder if (m_RecBuffer == null || m_RecBuffer.Length < size) m_RecBuffer = new byte[size]; System.Runtime.InteropServices.Marshal.Copy(data, m_RecBuffer, 0, size); //Microphone ==> data ==> m_RecBuffer ==> m_Fifo r.SendTo(m_RecBuffer, new IPEndPoint(IPAddress.Parse(text_IP.Text), int.Parse(text_SendingPort.Text))); } #endregion //********************************************************************************// private WaveOutPlayer m_Player; private WaveInRecorder m_Recorder; private FifoStream m_Fifo = new FifoStream(); private Socket r; private Thread t; private bool connected = false; private byte[] m_PlayBuffer; private byte[] m_RecBuffer; TcpClient myclient; MemoryStream ms; NetworkStream myns; BinaryWriter mysw; Thread myth; TcpListener mytcpl; Socket mysocket; NetworkStream ns; private void Form1_Load(object sender, System.EventArgs e) { portRect = int.Parse(text_Camera_rec_port.Text); myth= new Thread (new System.Threading .ThreadStart(Start_Receiving_Video_Conference)); // Start Thread Session myth.Start (); // Start Receiveing Camera } private void Start_Receiving_Video_Conference() { try { // Open The Port //mytcpl = new TcpListener (int.Parse(text_Camera_rec_port.Text)); mytcpl = new TcpListener(portRect); mytcpl.Start (); // Start Listening on That Port mysocket = mytcpl.AcceptSocket (); // Accept Any Request From Client and Start a Session ns = new NetworkStream (mysocket); // Receives The Binary Data From Port pictureBox2.Image = Image.FromStream(ns); mytcpl.Stop(); // Close TCP Session if (mysocket.Connected ==true) // Looping While Connected to Receive Another Message { while (true) { Start_Receiving_Video_Conference (); // Back to First Method } } myns.Flush(); } catch (Exception){} } private void Start_Sending_Video_Conference(string remote_IP,int port_number) { try { ms = new MemoryStream();// Store it in Binary Array as Stream pictureBox1.Image.Save(ms,System.Drawing.Imaging.ImageFormat.Jpeg); byte[] arrImage = ms.GetBuffer(); myclient = new TcpClient (remote_IP,port_number);//Connecting with server myns = myclient.GetStream (); mysw = new BinaryWriter (myns); mysw.Write(arrImage);//send the stream to above address ms.Flush(); mysw.Flush(); myns.Flush(); ms.Close(); mysw.Close (); myns.Close (); myclient.Close (); } catch (Exception ex) { Capturing.Enabled = false; MessageBox.Show(ex.Message,"Video Conference Error Message",MessageBoxButtons.OK,MessageBoxIcon.Error); } } private void Start() { Stop(); try { WaveFormat fmt = new WaveFormat(44100, 16, 2); m_Player = new WaveOutPlayer(-1, fmt, 16384, 3, new BufferFillEventHandler(Filler)); m_Recorder = new WaveInRecorder(-1, fmt, 16384, 3, new BufferDoneEventHandler(Voice_Out)); } catch { Stop(); throw; } } private void Stop() { if (m_Player != null) try { m_Player.Dispose(); } finally { m_Player = null; } if (m_Recorder != null) try { m_Recorder.Dispose(); } finally { m_Recorder = null; } m_Fifo.Flush(); // clear all pending data } private void Filler(IntPtr data, int size) { if (m_PlayBuffer == null || m_PlayBuffer.Length < size) m_PlayBuffer = new byte[size]; if (m_Fifo.Length >= size) m_Fifo.Read(m_PlayBuffer, 0, size); else for (int i = 0; i < m_PlayBuffer.Length; i++) m_PlayBuffer[i] = 0; System.Runtime.InteropServices.Marshal.Copy(m_PlayBuffer, 0, data, size); // m_Fifo ==> m_PlayBuffer==> data ==> Speakers } private void Form1_Closing(object sender, System.ComponentModel.CancelEventArgs e) { try { myth.Abort (); mytcpl.Stop (); ns.Flush(); ns.Close(); t.Abort(); r.Close(); Stop(); myclient.Close (); ms.Close (); myns.Close (); mysw.Close (); } catch(Exception){} } private void button2_Click(object sender, System.EventArgs e) { Stop(); } private void button1_Click(object sender, System.EventArgs e) { if (connected == false) { t.Start(); connected = true; } Start(); } private void button4_Click(object sender, System.EventArgs e) { this.WebCamCapture.TimeToCapture_milliseconds = 1; this.WebCamCapture.Start(0); Capturing.Enabled = true; } private void button3_Click(object sender, System.EventArgs e) { this.WebCamCapture.Stop(); Capturing.Enabled = false; } private void Capturing_Tick(object sender, System.EventArgs e) { Start_Sending_Video_Conference(text_IP.Text,int.Parse(text_Camera_send_port.Text)); } private void WebCamCapture_ImageCaptured(object source, WebCam_Capture.WebcamEventArgs e) { this.pictureBox1.Image = e.WebCamImage; } } }
