void _capturer_CaptureFinished(object sender, EventArgs e)
{
_capturer.SaveAsVideo();
_capturer = null;
_images.Clear();
StatusBarItem1.Text = "Done";
}
private bool CheckChanges(BitmapSource image, BitmapSource prevImage, List <HotSpot> hotSpots, int sensitivity)
{
System.Drawing.Bitmap innerImage = CaptureObject.BitmapFromSource(image);
System.Drawing.Bitmap innerPrevImage = CaptureObject.BitmapFromSource(prevImage);
try
{
foreach (HotSpot hotSpot in hotSpots)
{
float sum = 0;
float result = 0;
float leftPixel;
float rightPixel;
int left = Convert.ToInt32(hotSpot.Bound.Left);
int right = Convert.ToInt32(hotSpot.Bound.Right);
int top = Convert.ToInt32(hotSpot.Bound.Top);
int bottom = Convert.ToInt32(hotSpot.Bound.Bottom);
for (int i = left; i < right; i++)
{
for (int j = top; j < bottom; j++)
{
leftPixel = RgbToGray(innerImage.GetPixel(i, j));
rightPixel = RgbToGray(innerPrevImage.GetPixel(i, j));
result += Math.Abs(leftPixel - rightPixel);
sum += 1;
}
}
result = result / sum;
DeltaList.Items.Add(result);
if (DeltaList.Items.Count > 10)
{
DeltaList.Items.RemoveAt(0);
}
if (result == 0)
{
zeroCount++;
if (zeroCount == 10)
{
zeroCount = 0;
RecycleDevice();
}
}
if (result > sensitivity)
{
return(true);
}
}
return(false);
}
finally
{
innerImage.Dispose();
innerPrevImage.Dispose();
GC.Collect();
}
}
private void CaptureVideo()
{
if (_capturer != null)
{
return;
}
_capturer = new CaptureObject(_dataPath);
_capturer.Start(_maxBuffer * 2, _images, _fps);
_capturer.CaptureFinished += _capturer_CaptureFinished;
StatusBarItem1.Text = "Capturing";
}
private void RecycleDevice()
{
bool isEnabled = _dispatcherTimer.IsEnabled;
_dispatcherTimer.Stop();
_capturer = null;
_images.Clear();
MainPlayer.Device = null;
while (_capDevice.IsRunning)
{
Thread.Sleep(100);
}
_capDevice = new CapDevice(CapDevice.DeviceMonikers[0].MonikerString);
MainPlayer.Device = _capDevice;
if (isEnabled)
{
_dispatcherTimer.Start();
}
}