public void ReceiveCallback(IAsyncResult ar)
{
UdpClient u = (UdpClient)((UdpState)(ar.AsyncState)).u;
IPEndPoint e = (IPEndPoint)((UdpState)(ar.AsyncState)).e;
if (open)
{
bytes = u.EndReceive(ar, ref e);
if (bytes.Length != 4)
{
for (int i = 0; i < bytes.Length; i += 4)
{
imageData[x + (y * frameWidth)] = (uint)(((uint)bytes[i + 2] << 16) | ((uint)bytes[i + 1] << 8) | bytes[i]);
x++;
}
if (x == frameWidth)
{
x = 0;
y++;
}
if (y == frameHeight && z < frameCount)
{
updateImage();
currentFrame = z;
z++;
y = 0;
}
}
else
{
int g = (bytes[0] >> 0) & 0x01;
int r = (bytes[0] >> 1) & 0x01;
int y = (bytes[0] >> 2) & 0x01;
int b = (bytes[0] >> 3) & 0x01;
int o = (bytes[0] >> 4) & 0x01;
int s = (bytes[0] >> 5) & 0x01;
statuses[z] = String.Format("{0} {1} {2} {3} {4} {5}", g, r, y, b, o, s);
}
}
if (open)
{
UdpState s = new UdpState();
s.e = e;
s.u = u;
u.BeginReceive(new AsyncCallback(ReceiveCallback), s);
}
}
private void button2_Click(object sender, EventArgs e)
{
if (!open)
{
frameWidth = int.Parse(widthTextBox.Text);
frameHeight = int.Parse(heightTextBox.Text);
frameCount = int.Parse(framesTextBox.Text);
pictureBox1.Width = frameWidth;
pictureBox1.Height = frameHeight;
currentFrame = 0;
frameTrackBar.Value = 0;
frameTrackBar.Maximum = frameCount - 1;
frameLabel.Text = (currentFrame + 1) + " / " + frameCount;
button2.Text = "Stop Listening";
udpClient = new UdpClient(0xF00D);
udpClient.Client.ReceiveBufferSize = frameWidth * frameHeight * frameCount * 4;
open = true;
b = new Bitmap[frameCount];
for (int a = 0; a < frameCount; a++)
{
b[a] = new Bitmap(frameWidth, frameHeight, PixelFormat.Format32bppRgb);
}
imageData = new uint[frameWidth * frameHeight];
statuses = new string[frameCount];
UdpState s = new UdpState();
s.e = RemoteIpEndPoint;
s.u = udpClient;
udpClient.BeginReceive(new AsyncCallback(ReceiveCallback), s);
x = 0;
y = 0;
z = 0;
i = 0;
timer1.Start();
}
else
{
open = false;
button2.Text = "Start Listening";
udpClient.Close();
timer1.Stop();
}
}