压缩通过C#套接字发送的数据?

时间:2012-06-10 01:16:09

标签: c# sockets stream compression

我正在尝试使用C#套接字发送图像。它有效,但它不稳定。发送的图像非常大,并且很快更新,导致它偶尔闪烁。我正在寻找一种压缩所发送数据的方法。我正在使用此代码:

服务器端:

System.IO.MemoryStream stream = new System.IO.MemoryStream();

// !! Code here that captures the screen !!

bitmap.Save(stream, myImageCodecInfo, myEncoderParameters);

byte[] imageBytes = stream.ToArray();
stream.Dispose();

// Send the image
clientSocket.Send(imageBytes);

// Empty the byte array?
for (int i = 0; i < imageBytes.Length; i++)
{
    imageBytes[i] = 0;
}

客户端:

private void OnConnect(IAsyncResult ar)
{
    try
    {
        MessageBox.Show("Connected");

        //Start listening to the data asynchronously
        clientSocket.BeginReceive(byteData,
                                    0,
                                    byteData.Length,
                                    SocketFlags.None,
                                    new AsyncCallback(OnReceive),
                                    null);
    }
    catch (Exception ex)
    {
        MessageBox.Show(ex.Message, "Stream Error",MessageBoxButtons.OK, MessageBoxIcon.Error);
    }
}

private void OnReceive(IAsyncResult ar)
{
    try
    {
        int byteCount = clientSocket.EndReceive(ar);

        // Display the image on the pictureBox
        MemoryStream ms = new MemoryStream(byteData);
        pictureBox1.Image = Image.FromStream(ms);
        }
    catch (ArgumentException e)
    {
        //MessageBox.Show(e.Message);
    }
    clientSocket.BeginReceive(byteData,0,byteData.Length,SocketFlags.None,new AsyncCallback(OnReceive),null);
}

1 个答案:

答案 0 :(得分:0)

我最终使用gzip。

原来闪烁不是因为它很快更新,而是因为我设置套接字的方式。它没有发送整个图像。