实例介绍
【实例简介】AForge.Net框架本地视频和录制 代码与实例
【实例截图】
【核心代码】
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 | using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using AForge.Video.DirectShow;using AForge.Video.FFMPEG;using AForge.Controls;using AForge.Video;using System.Net.Sockets;using System.Net;using System.Threading;using AForge.Imaging;using System.Drawing.Imaging;using System.IO;namespace AForge.Net框架本地视频和录制{ public partial class MainForm : Form { public MainForm() { InitializeComponent(); Form.CheckForIllegalCrossThreadCalls = false; } private Socket socket = null; private Thread thread = null; private Thread threadReceivePicture = null; private AutoResetEvent autoRest = new AutoResetEvent(false); private VideoCaptureDevice device = null; private VideoFileWriter write = new VideoFileWriter(); private IPEndPoint remoteEndPoint = null; private VideoCaptureDevice deviceTemp = null; //打开摄像头 private void btnOpenVideoSoundPlayer_Click(object sender, EventArgs e) { VideoCaptureDeviceForm form = new VideoCaptureDeviceForm(); if (form.ShowDialog(this) != DialogResult.OK) return; this.device = form.VideoDevice; this.videoSourcePlayer1.VideoSource = form.VideoDevice; this.videoSourcePlayer1.Start(); } //窗体关闭时关闭摄像头 private void MainForm_FormClosing(object sender, FormClosingEventArgs e) { if (this.videoSourcePlayer1.IsRunning) { this.videoSourcePlayer1.Stop(); if (this.deviceTemp != null) { this.deviceTemp.SignalToStop(); } if (this.device != null) { this.device.SignalToStop(); } } } //停止视频 private void btnCloseVideoSoundPlayer_Click(object sender, EventArgs e) { if (this.videoSourcePlayer1.IsRunning) { this.videoSourcePlayer1.Stop(); if (this.deviceTemp !=null) { this.deviceTemp.SignalToStop(); } if (this.device !=null) { this.device.SignalToStop(); } } } //开始录像 private void btnStartRecord_Click(object sender, EventArgs e) { SaveFileDialog dialog = new SaveFileDialog(); dialog.Filter = "Flash Video(*.flv)|*.flv"; if (dialog.ShowDialog() != DialogResult.OK) return; if (!this.videoSourcePlayer1.IsRunning) { VideoCaptureDeviceForm form = new VideoCaptureDeviceForm(); if (form.ShowDialog(this) != DialogResult.OK) return; this.device = form.VideoDevice; this.device.NewFrame = device_NewFrame; this.videoSourcePlayer1.VideoSource = form.VideoDevice; this.device.Start(); this.videoSourcePlayer1.Start(); this.write.Open(dialog.FileName, 640, 480, 8, VideoCodec.FLV1); } else { MessageBox.Show("设备正在运行，请先关闭设备！"); } } void device_NewFrame(object sender, Video.NewFrameEventArgs eventArgs) { Bitmap bitmap = eventArgs.Frame; this.write.WriteVideoFrame(bitmap); } //停止录像 private void btnStopRecord_Click(object sender, EventArgs e) { this.device.SignalToStop(); this.device.WaitForStop(); this.videoSourcePlayer1.Stop(); this.write.Close(); } //播放视频 private void btnStartPlayer_Click(object sender, EventArgs e) { OpenFileDialog open = new OpenFileDialog(); open.Filter = "Flash Video(*.flv)|*.flv"; if (open.ShowDialog() != DialogResult.OK) return; VideoFileSource source = new VideoFileSource(open.FileName); //source.Start(); this.videoSourcePlayer1.VideoSource = source; this.videoSourcePlayer1.Start(); } //停止播放 private void btnStopPlayer_Click(object sender, EventArgs e) { this.videoSourcePlayer1.Stop(); } //初始化本地端点、Socket、监听线程 private void MainForm_Load(object sender, EventArgs e) { IPHostEntry host = Dns.GetHostEntry(Dns.GetHostName()); IPAddress ip = host.AddressList[1]; this.tbLoaclIp.Text = ip.ToString(); this.tbRemoteIp.Text = ip.ToString(); Random rand = new Random(); this.tbLocalPort.Text = rand.Next(20000 , 30000).ToString(); this.socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp); uint IOC_IN = 0x80000000; uint IOC_VENDOR = 0x18000000; uint SIO_UDP_CONNRESET = IOC_IN | IOC_VENDOR | 12; socket.IOControl((int)SIO_UDP_CONNRESET, new byte[] { Convert.ToByte(false) }, null); this.socket.Bind(new IPEndPoint(IPAddress.Parse(this.tbLoaclIp.Text),int.Parse(this.tbLocalPort.Text))); this.thread = new Thread(new ThreadStart(listenning)); this.thread.IsBackground = true; this.thread.Start(); } //接受图片的缓冲 private byte[] buffTemp = new byte[2 * 1024 * 1024]; //private byte[] buff = null; //监听Socket private void listenning() { while (true) { //每隔5000微妙查询一次socket状态 if (this.socket.Poll(5000,SelectMode.SelectRead))//为可读时，读取 { this.socket.BeginReceive(buffTemp, 0, buffTemp.Length, SocketFlags.None, ReceiveFrame, this.socket); } } } //读取接受的图片并播放 private void ReceiveFrame(IAsyncResult ar) { Socket socketTemp = (Socket)ar.AsyncState; int count = socketTemp.EndReceive(ar); if (count>0) { byte[] buff = new byte[count]; Buffer.BlockCopy(buffTemp, 0, buff, 0, count); MemoryStream memoryStream = new MemoryStream(buff); Bitmap bitmap = (Bitmap)System.Drawing.Image.FromStream(memoryStream); this.pictureBox1.Image = bitmap; } } private void btnStartVideoCall_Click(object sender, EventArgs e) { if (this.tbRemoteIp.Text == "" || this.tbRemotePort.Text == "") return; if (!this.videoSourcePlayer1.IsRunning) { VideoCaptureDeviceForm form = new VideoCaptureDeviceForm(); if (form.ShowDialog(this) != DialogResult.OK) return; //deviceTemp = form.VideoDevice; //deviceTemp.NewFrame = deviceTemp_NewFrame; this.remoteEndPoint = new IPEndPoint(IPAddress.Parse(this.tbRemoteIp.Text), int.Parse(this.tbRemotePort.Text)); this.videoSourcePlayer1.VideoSource = form.VideoDevice; this.videoSourcePlayer1.NewFrame = videoSourcePlayer1_NewFrame; this.videoSourcePlayer1.Start(); //threadTemp = new Thread(new ThreadStart(ThreadToSendImage)); //threadTemp.IsBackground = true; //threadTemp.Start(); //deviceTemp.Start(); } else { MessageBox.Show("设备正在使用中，请先关闭视频设备！"); } } void videoSourcePlayer1_NewFrame(object sender, ref Bitmap image) { fuction(image); } private object obcetBitmapTemp = new object(); private void fuction(Bitmap bitmap) { lock (obcetBitmapTemp) { //this.pictureBox1.Image = bitmap; System.Drawing.Image imgTemp = bitmap.Clone(new Rectangle(0, 0, bitmap.Width, bitmap.Height), bitmap.PixelFormat); MemoryStream stream = new MemoryStream(); imgTemp.Save(stream, ImageFormat.Jpeg); stream.Position = 0; byte[] buffImage = new byte[stream.Length]; stream.Read(buffImage, 0, buffImage.Length); this.socket.BeginSendTo(buffImage, 0, buffImage.Length, SocketFlags.None, this.remoteEndPoint, SendData, this.socket); stream.Dispose(); stream = null; } } private void SendData(IAsyncResult ar) { Socket socket = (Socket)ar.AsyncState; socket.EndSendTo(ar); } //private void threadToReceivePicture() //{ // while (true) // { // this.autoRest.WaitOne(); // this.pictureBox1.Image = this.bitmap; // } //} //private void ThreadToSendImage() //{ // while (true) // { // eventTemp.WaitOne(); // //if (stream.Length <= 0) continue; // //this.pictureBox1.Image.Save(memoryStreamToSend, ImageFormat.Jpeg); // //stream.Position = 0; // //byte[] buffImage = new byte[stream.Length]; // //stream.Read(buffImage, 0, buffImage.Length); // //this.socket.SendTo(buffImage, this.remoteEndPoint); // //stream.Dispose(); // //stream = null; // //byte[] buffImage = new byte[(int)memoryStreamToSend.Length]; // //memoryStreamToSend.Read(buffImage, 0, (int)memoryStreamToSend.Length); // //this.socket.BeginSendTo(buffImage, 0, buffImage.Length, SocketFlags.None, this.remoteEndPoint, SendData, this.socket); // //memoryStreamToSend.Position = 0; // //memoryStreamToSend = null; // this.listBox1.Items.Add("send"); // //this.socket.SendTo(buffImage, this.remoteEndPoint); // } //} }} |
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