DxPackNet 5.视频高质量的压缩和传输

        private void Form1_Load(object sender,EventArgs e)
        {
           
            server = new Socket(AddressFamily.InterNetwork,SocketType.Dgram,ProtocolType.Udp);
            server.Bind(new IPEndPoint(IPAddress.Parse("127.0.0.1"),38000));//绑定端口号
            threadRecv = new Thread( ThreadStart(ReviceMsg));
            threadRecv.Start();

            client = 38000);

            初始化视频编码环境
            IxVideoCoderEnv Env = DxFactory.CreateDxCompent<IxVideoCoderEnv>();
            Env.Init();
            创建编码器
            encoder = DxFactory.CreateDxCompent<IxVideoEncoder>();
            encoder.Quant = 30;视频质量 0~31 之间的数字 越小画质越好， 越大越流畅
            创建解码器
            decoder = DxFactory.CreateDxCompent<IxVideoDecoder>();

            cameras = DxFactory.CreateDxCompent<DxDeviceCollection>(DxDeviceCollection.ENVIRONMENT_CAMERAS);
            camCapture = DxFactory.CreateDxCompent<IDxCameraCapture>(this,panel1);
            camCapture.FrameCb = camerasFrameCb;
            camCapture.Init(cameras[0]);


        }
        byte[] outBuffer = new byte[1024 * 2];2M
        byte[] imgBuffer = private void camerasFrameCb(byte[] buffer,int size)
        {
            Array.Clear(outBuffer,压缩视频流
            int outSz = encoder.Encode(buffer,size,outBuffer);
            client.SendTo(outBuffer,outSz,SocketFlags.None,svpoint);客户端发送压缩后的视频流
        }
        void ReviceMsg() 服务端接收视频流后解压显示
        {
            byte[] bufferRecv=2];////2M
            while (!bExit)
            {
                if (server.Poll();
                    接收压缩流
                    int revLen = server.ReceiveFrom(bufferRecv,1)">ref clpoint1);
                    reviceSize += revLen;
                    Array.Clear(imgBuffer,imgBuffer.Length);
                    解压缩视频流
                     decoder.Decode(bufferRecv,revLen,imgBuffer);
                    this.BeginInvoke(new camerasFrameCbHandler(_camerasFrameCb),imgBuffer,1)">640 * 480 * 3);
                }
            }
        }

        delegate void camerasFrameCbHandler( size);
        public void _camerasFrameCb( size)
        {
            将视频流转换为帧图片
            Bitmap bmp = camCapture.BmpFromBuffer(buffer,size);
            if (bmp != null)
            {
                Image oimg = pictureBox1.Image;
                pictureBox1.Image = bmp;
                if (oimg != ) oimg.Dispose();
            }
        }