public void StartCaptureInit(int type, int camIndex, string filename)
{
if (MediaHandler != null)
{
Timer.Stop();
MediaHandler.Dispose();
}
try
{
if (Connection.IsOpen())
{
Connection.Close();
ResultUC.AppendServerMsg("Successfully disconnected from the server [" + NetworkOptionsWindow + "].");
}
IPAddress ip = IPAddress.Parse(NetworkOptionsWindow.ServerIp);
Connection.Open(new IPEndPoint(ip, NetworkOptionsWindow.ServerPort));
ResultUC.AppendServerMsg("A connection was successfully established with the server [" + NetworkOptionsWindow + "]");
}
catch (Exception e)
{
ResultUC.AppendServerMsg(e.Message);
}
if (type == 0)
{
MediaHandler = new MediaHandler(camIndex);
MultimediaUC.VideoLengthSlider.Value = 0;
CamZeroMenuItem.Header = "_Stop capture";
MultimediaUC.StartCaptureButton.Content = "Stop";
WindowMain.Title = Properties.Resources.MainWindowTitle + " - Webcam #" + camIndex;
}
else
{
MediaHandler = new MediaHandler(filename);
MultimediaUC.VideoLengthSlider.Value = 0;
CamZeroMenuItem.Header = "_Start capture";
MultimediaUC.StartCaptureButton.Content = "Stop";
WindowMain.Title = Properties.Resources.MainWindowTitle + " - " + filename;
}
Timer.Start();
}
private void WindowClosing(object sender, CancelEventArgs e)
{
if (MediaHandler != null)
{
MediaHandler.Dispose();
}
if (Connection != null)
{
Connection.Close();
}
ProcessOptionsWindow.Close();
}
public void StopCaptureInit()
{
if (MediaHandler != null)
{
Timer.Stop();
MediaHandler.Dispose();
}
Connection.Close();
ResultUC.AppendServerMsg("Successfully disconnected from the server [" + NetworkOptionsWindow + "].");
CamZeroMenuItem.Header = "_Start capture";
MultimediaUC.StartCaptureButton.Content = "Start";
MultimediaUC.VideoLengthSlider.Value = 0;
WindowMain.Title = Properties.Resources.MainWindowTitle;
using (var multimediaBackground = new Image <Bgr, byte>(Properties.Resources.mf))
{
MultimediaUC.CurFrame.Source = multimediaBackground.Bitmap.ToWpfBitmap();
}
}
public void ProcessFrame(object sender, EventArgs et)
{
MemoryStream ms = null;
try
{
Image <Bgr, byte> curFrame = MediaHandler.QueryFrame();
if (curFrame == null)
{
StopCaptureInit();
throw (new Exception("frame == NULL!"));
}
ms = curFrame.Bitmap.BitmapToStream();
ImageInformation.control_ID = 0xaa;
ImageInformation.frame_count = UInt32.Parse(MediaHandler.FrameNo.ToString(CultureInfo.InvariantCulture));
ImageInformation.depth = (int)Image <Bgr, byte> .CvDepth;
ImageInformation.nChannels = curFrame.NumberOfChannels;
ImageInformation.width = curFrame.Width;
ImageInformation.height = curFrame.Height;
ImageInformation.pTracking = ProcessOptionsWindow.PTracking;
ImageInformation.pExpression = ProcessOptionsWindow.PExpression;
ImageInformation.size = ms.GetBuffer().Length;
// Küldés szervernek, erre a válasz "ACK1".
byte[] data = RawSerializeEx(ImageInformation);
Connection.Send(data, Marshal.SizeOf(ImageInformation));
byte[] recv;
if ((recv = Connection.Receive()) != null)
{
string sRecv = Encoding.ASCII.GetString(recv);
if (sRecv == "ACK1")
{
Connection.Send(ms.GetBuffer());
//ResultUC.AppendServerMsg( sRecv );
}
else if (sRecv == "ERR1")
{
System.Threading.Thread.Sleep(10);
throw (new Exception("TCPIP recv() error - ERR1."));
}
}
else
{
throw (new Exception("TCPIP recv() error #1 - recv() == NULL."));
}
ms.Flush();
ms.Close();
if ((recv = Connection.Receive()) != null)
{
string sRecv = Encoding.ASCII.GetString(recv);
if (String.Compare(sRecv.Substring(0, 4), "ERR2") != 0)
{
if (String.CompareOrdinal(sRecv.Substring(0, 4), "####") != 0)
{
ResultUC.AppendServerMsg(sRecv);
}
else
{
Features = ResultUC.ProcessResults(sRecv, curFrame);
}
// Az aktuális frame kifeszítése a WPF Image controlra
MultimediaUC.CurFrame.Source = curFrame.Bitmap.ToWpfBitmap();
}
else
{
throw (new Exception("TCPIP recv() error - ERR2."));
}
}
else
{
System.Threading.Thread.Sleep(10);
throw (new Exception("TCPIP recv() error #2 - recv() == NULL"));
}
}
catch (Exception e)
{
Timer.Stop();
if (ms != null)
{
ms.Flush();
ms.Close();
}
ResultUC.AppendServerMsg(e.Message);
StopCaptureInit();
}
double playRate = Math.Abs(MediaHandler.FrameCount - 0) > Double.Epsilon ? MediaHandler.FrameNo / MediaHandler.FrameCount : 0;
MultimediaUC.VideoLengthSlider.Value = MultimediaUC.VideoLengthSlider.Maximum * playRate;
}
