// Constructor
public Grabber(CaptureDevice parent)
{
this.parent = parent;
}
private void startBtn_Click(object sender, RoutedEventArgs e)
{
started = !started;
if (!simulated)
{
if (captureDevicesLst.SelectedIndex == -1)
{
started = false;
return;
}
}
if (started)
{
int portNo = Int32.Parse(portBox.Text);
server = new WebServer(portNo);
testBlock.Text = "http://localhost:" + portNo.ToString() + "/";
Int32.TryParse(fpsBox.Text, out fps);
int delay = 1000 / fps;
startBtn.Content = "Stop streaming";
if (simulated)
{
List <byte[]> pics = new List <byte[]>();
foreach (var file in Directory.EnumerateFiles("SimulatedCamPics"))
{
if (file.ToLower().Contains(".jpg") || file.ToLower().Contains(".png"))
{
pics.Add(File.ReadAllBytes(file));
}
}
Log("simulated: readed " + pics.Count.ToString() + " image(s)");
simTim = new Timer(delay);
int i = 0;
simTim.Elapsed += (s, ev) =>
{
simTim.Stop();
DateTime start = DateTime.Now;
server.SendImg(pics[i % pics.Count]);
TimeSpan finish = DateTime.Now - start;
Log("simulated send finished: " + finish.TotalMilliseconds.ToString() + "ms");
i++;
if (i % pics.Count == 0)
{
i = 0;
}
simTim.Start();
};
simTim.Start();
}
else
{
cd = new CaptureDevice();
cd.VideoSource = captureDevices[captureDevicesLst.SelectedIndex].MonikerString;
DateTime lastFrame = DateTime.Now;
bool doResize = (bool)doResizeCheck.IsChecked;
cd.NewFrame += (s, evt) =>
{
//send jpg to all client...
if ((DateTime.Now - lastFrame).TotalMilliseconds >= delay)
{
using (MemoryStream ms = new MemoryStream())
{
DateTime firstStart = DateTime.Now;
DateTime start = DateTime.Now;
Bitmap resized;
TimeSpan finish;
if (doResize)
{
AForge.Imaging.Filters.Resize resizeFilter = new AForge.Imaging.Filters.Resize(1280, 1024);
resized = resizeFilter.Apply(evt.Bitmap);
finish = DateTime.Now - start;
Log("resize finished: " + finish.TotalMilliseconds.ToString() + "ms");
}
else
{
resized = evt.Bitmap;
}
start = DateTime.Now;
resized.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
finish = DateTime.Now - start;
Log("saveToStream finished: " + finish.TotalMilliseconds.ToString() + "ms");
start = DateTime.Now;
server.SendImg(ms.ToArray());
finish = DateTime.Now - start;
Log("send finished: " + finish.TotalMilliseconds.ToString() + "ms");
finish = DateTime.Now - lastFrame;
lastFrame = DateTime.Now;
Log("cam refresh: " + finish.TotalMilliseconds.ToString() + "ms (FPS: " + cd.FramesReceived.ToString() + ")");
finish = DateTime.Now - firstStart;
delay = (int)(1000 / fps) - (int)finish.TotalMilliseconds;
}
GC.Collect();
}
};
cd.Start();
}
}
else
{
startBtn.Content = "Start streaming";
if (cd != null)
{
cd.Stop();
}
if (simTim != null)
{
simTim.Stop();
}
server.DisconnectAll();
server = null;
GC.Collect();
}
}
private void startBtn_Click(object sender, RoutedEventArgs e)
{
started = !started;
if (!simulated)
{
if (captureDevicesLst.SelectedIndex == -1)
{
started = false;
return;
}
}
if (started)
{
int portNo = Int32.Parse(portBox.Text);
server = new WebServer(portNo);
testBlock.Text = "http://localhost:" + portNo.ToString() + "/";
Int32.TryParse(fpsBox.Text, out fps);
int delay = 1000 / fps;
startBtn.Content = "Stop streaming";
if (simulated)
{
List<byte[]> pics = new List<byte[]>();
foreach (var file in Directory.EnumerateFiles("SimulatedCamPics"))
{
if (file.ToLower().Contains(".jpg") || file.ToLower().Contains(".png"))
{
pics.Add(File.ReadAllBytes(file));
}
}
Log("simulated: readed " + pics.Count.ToString() + " image(s)");
simTim = new Timer(delay);
int i = 0;
simTim.Elapsed += (s, ev) =>
{
simTim.Stop();
DateTime start = DateTime.Now;
server.SendImg(pics[i % pics.Count]);
TimeSpan finish = DateTime.Now - start;
Log("simulated send finished: " + finish.TotalMilliseconds.ToString() + "ms");
i++;
if (i % pics.Count == 0)
i = 0;
simTim.Start();
};
simTim.Start();
}
else
{
cd = new CaptureDevice();
cd.VideoSource = captureDevices[captureDevicesLst.SelectedIndex].MonikerString;
DateTime lastFrame = DateTime.Now;
bool doResize = (bool)doResizeCheck.IsChecked;
cd.NewFrame += (s, evt) =>
{
//send jpg to all client...
if ((DateTime.Now - lastFrame).TotalMilliseconds >= delay)
{
using (MemoryStream ms = new MemoryStream())
{
DateTime firstStart = DateTime.Now;
DateTime start = DateTime.Now;
Bitmap resized;
TimeSpan finish;
if (doResize)
{
AForge.Imaging.Filters.Resize resizeFilter = new AForge.Imaging.Filters.Resize(1280, 1024);
resized = resizeFilter.Apply(evt.Bitmap);
finish = DateTime.Now - start;
Log("resize finished: " + finish.TotalMilliseconds.ToString() + "ms");
}
else
resized = evt.Bitmap;
start = DateTime.Now;
resized.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
finish = DateTime.Now - start;
Log("saveToStream finished: " + finish.TotalMilliseconds.ToString() + "ms");
start = DateTime.Now;
server.SendImg(ms.ToArray());
finish = DateTime.Now - start;
Log("send finished: " + finish.TotalMilliseconds.ToString() + "ms");
finish = DateTime.Now - lastFrame;
lastFrame = DateTime.Now;
Log("cam refresh: " + finish.TotalMilliseconds.ToString() + "ms (FPS: " + cd.FramesReceived.ToString() + ")");
finish = DateTime.Now - firstStart;
delay = (int)(1000 / fps) - (int)finish.TotalMilliseconds;
}
GC.Collect();
}
};
cd.Start();
}
}
else
{
startBtn.Content = "Start streaming";
if(cd != null)
cd.Stop();
if (simTim != null)
simTim.Stop();
server.DisconnectAll();
server = null;
GC.Collect();
}
}
// Constructor
public Grabber(CaptureDevice parent)
{
this.parent = parent;
}