public void TestFileCapturePause()
{
int totalFrames1 = 0;
Capture capture1 = new Capture(EmguAssert.GetFile("tree.avi"));
//capture one will continute capturing all the frames.
EventHandler captureHandle1 = delegate
{
Mat img = new Mat();
capture1.Retrieve(img);
totalFrames1++;
Trace.WriteLine(String.Format("capture 1 frame {0}: {1}", totalFrames1, DateTime.Now.ToString()));
};
capture1.ImageGrabbed += captureHandle1;
capture1.Start();
System.Threading.Thread.Sleep(2);
int totalFrames2 = 0;
Capture capture2 = new Capture(EmguAssert.GetFile("tree.avi"));
int counter = 0;
//capture 2 will capture 2 frames, pause for 1 seconds, then continute;
EventHandler captureHandle = delegate
{
counter++;
totalFrames2++;
bool needPause = (counter >= 2);
if (needPause)
{
capture2.Pause();
counter = 0;
}
Mat img = new Mat();
capture2.Retrieve(img);
Trace.WriteLine(String.Format("capture 2 frame {0}: {1}", totalFrames2, DateTime.Now.ToString()));
if (needPause)
{
System.Threading.ThreadPool.QueueUserWorkItem(delegate
{
Trace.WriteLine("Sleep for 1 sec");
System.Threading.Thread.Sleep(1000);
capture2.Start();
});
}
};
capture2.ImageGrabbed += captureHandle;
capture2.Start();
//int totalFrames = 69;
Stopwatch s = Stopwatch.StartNew();
while (! (totalFrames1 == totalFrames2))
{
System.Threading.Thread.Sleep(1000);
if (s.ElapsedMilliseconds > 120 * 1000)
{
EmguAssert.IsTrue(false, "Unable to finished reading frames in 2 mins");
break;
}
}
capture1.Dispose();
capture2.Dispose();
}
