private async void PrepareWindowToWork()
{
var cameras = await _camerasService.GetCameras();
MonitoringImages.Clear();
foreach (var camera in cameras)
{
var monitoringImage = new MonitoringImage
{
CameraName = camera.Name,
CameraId = camera.Id.ToString(),
Url = camera.Url,
GridWidth = HalfWidth - 20,
GridHeight = HalfHeight,
IsRecordSetupNeed = true,
IsRecording = true
};
MonitoringImages.Add(monitoringImage);
}
RaisePropertyChanged("MonitoringImages");
StartAllCameras();
}
private void CaptureVideo_Frame(object sender, NewFrameEventArgs eventArgs)
{
var monitoringImage = MonitoringImages.FirstOrDefault(mi => mi.Url == ((MJPEGStream)sender).Source);
if (monitoringImage != null)
{
try
{
BitmapImage bitmapImage;
using (var bitmap = (Bitmap)eventArgs.Frame.Clone())
{
bitmapImage = bitmap.ToBitmapImage();
if (monitoringImage.IsRecordSetupNeed)
{
monitoringImage.IsRecordSetupNeed = false;
monitoringImage.VideoRecordingService.SetUpRecordingEngine(bitmap.Width, bitmap.Height, monitoringImage.CameraName);
}
if (monitoringImage.IsRecording)
{
monitoringImage.VideoRecordingService.StartVideoRecording(bitmap);
}
}
bitmapImage.Freeze();
Dispatcher.CurrentDispatcher.Invoke(() => monitoringImage.Image = bitmapImage);
}
catch (Exception ex)
{
MessageBox.Show("Oppps, video stream have fallen down.", "Exception", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
}
private void StartLastAddedCamera()
{
_videoSource = new MJPEGStream(IpCameraUrls.Last().ImageSourcePath);
var image = MonitoringImages.FirstOrDefault(mi => mi.Url == IpCameraUrls.Last().ImageSourcePath);
image.VideoSource = _videoSource;
_videoSource.NewFrame += CaptureVideo_Frame;
_videoSource.Start();
}
public async void AddNewCamera()
{
var newCameraView = new NewCameraView();
newCameraView.ShowDialog();
var viewModel = ((NewCameraViewModel)newCameraView.DataContext);
var url = viewModel.IpCameraUrl;
var cameraName = viewModel.CameraName;
if (url != null)
{
if (await _camerasService.IsCameraExists(url))
{
MessageBox.Show("Url that you are trying to add is already exists.", "Exception", MessageBoxButton.OK, MessageBoxImage.Information);
return;
}
IpCameraUrls.Add(new CameraScreen {
ImageSourcePath = url
});
RaisePropertyChanged("IpCameraUrls");
var monitoringImage = new MonitoringImage(url, HalfWidth - 20, HalfHeight);
monitoringImage.VideoRecordingService = new VideoRecordingService();
monitoringImage.CameraName = cameraName;
monitoringImage.IsRecording = true;
MonitoringImages.Add(monitoringImage);
var camera = new Camera
{
Url = url,
Name = cameraName
};
_camerasService.SaveNewCamera(camera);
monitoringImage.CameraId = camera.Id.ToString();
StartLastAddedCamera();
}
}