private void WorkThreadFunction(object webcamImage)
{
try
{
WebcamImage lastImageObj = new WebcamImage();
lastImageObj = webcamImage as WebcamImage;
//lastImageObj = (WebcamImage)webcamImage.Clone();
//System.Drawing.Bitmap lastBitmap = (System.Drawing.Bitmap)lastImageObj.image.Clone();
//DateTime lastTimestamp = lastImageObj.timestamp;
//int frameCount = lastImageObj.frameCount;
// TODO DEBUG crossThreadAccess violation or something else... the object is in use...
saveImage(lastImageObj.image, lastImageObj.timestamp);
lastImageObj.Dispose();
imageToDisk.Dispose();
imageToGUI.Dispose();
webcamImage = null;
}
catch (ApplicationException appEx)
{
ConsoleBuddy.WriteException(appEx, "WorkThreadFunction");
}
catch (InvalidOperationException invOpEx)
{
ConsoleBuddy.WriteException(invOpEx, "WorkThreadFunction");
}
catch (Exception e)
{
ConsoleBuddy.WriteException(e, "WorkThreadFunction");
}
}
public WebcamImage Clone()
{
WebcamImage clone = new WebcamImage();
clone.image = (System.Drawing.Bitmap) this.image.Clone();
DateTime time = new DateTime();
time = this.timestamp;
clone.timestamp = time;
int frmCount = 0;
frmCount = this.frameCount;
clone.frameCount = frmCount;
return(clone);
}
void videoDeviceForCapture_NewFrame(object sender, NewFrameEventArgs eventArgs)
{
try
{
int videoDeviceFramesReceived = this.videoDeviceForCapture.FramesReceived;
if (videoDeviceFramesReceived <= 1)
{
ConsoleBuddy.WriteLineGreen("Number of frames received from last NewFrame event: " + videoDeviceFramesReceived.ToString());
}
else
{
ConsoleBuddy.WriteLineRed("Number of frames received from last NewFrame event: " + videoDeviceFramesReceived.ToString());
}
this.frameCount = ++this.frameCount;
DateTime now = DateTime.Now;
//messages += "Event in WebcamLibrary @ " + now.ToString() + "::" + now.Millisecond.ToString() + ";\t frames received:" + this.frameCount.ToString() + "\r\n";
System.Drawing.Bitmap copy = (System.Drawing.Bitmap)eventArgs.Frame.Clone();
/* this.lastImage = new WebcamImage();
* this.lastImage.image = new Bitmap(copy);
* this.lastImage.timestamp = now;*/
WebcamImage lastImageObj = new WebcamImage();
lastImageObj.image = new Bitmap(copy);
lastImageObj.timestamp = now;
lastImageObj.frameCount = this.frameCount;
//saveImage(copy, now);
// 21/11/2016 commented ThreadPool call
//ThreadPool.QueueUserWorkItem(new WaitCallback(WorkThreadFunction), lastImageObj);
//
//this.thread = new Thread(new ThreadStart(WorkThreadFunction));
//thread.Start();
NewFrameImageEventArgs e = new NewFrameImageEventArgs(lastImageObj);
OnNewFrameImage(e);
copy.Dispose();
}
catch (System.NullReferenceException NullEx)
{
System.Console.WriteLine("System.NullReferenceException; Message: " + NullEx.Message + "; Source: " + NullEx.Source + "; TargetSite: " + NullEx.TargetSite + ";InnerException: " + NullEx.InnerException + "; Data: " + NullEx.Data + "; HelpLink: " + NullEx.HelpLink + "; StackTrace: " + NullEx.StackTrace);
}
}
