/// <summary>
/// Вызывает нажатие кнопок Stop и Start
/// </summary>
/// <param name="f">CameraSelectWindow который надо закрыть</param>
void Restart(CameraSelectWindow f = null)
{
f?.Close();
Stop_Click(new object(), new RoutedEventArgs());
Thread.Sleep(1000);
Start_Click(new object(), new RoutedEventArgs());
}
/// <summary>
/// Открывает выбор камер
/// </summary>
private void CameraChanger_Click(object sender, RoutedEventArgs e)
{
if (Start.IsEnabled == false)
{
Stop_Click(new object(), new RoutedEventArgs());
}
if (cameraMode == StreamSrc.Video)
{
var f = new CameraSelectWindow().GetCam();
if (f == "")
{
return;
}
try
{
OpenCvSharp.VideoCapture v;
if (f == "USB")
{
cameraMode = StreamSrc.USB_cam;
v = OpenCvSharp.VideoCapture.FromCamera(OpenCvSharp.CaptureDevice.Any);
filePath = "0";
camM = true;
}
else
{
cameraMode = StreamSrc.IP_cam;
filePath = f;
v = OpenCvSharp.VideoCapture.FromFile(filePath);
camM = true;
}
var r = new OpenCvSharp.Mat();
v.Read(r);
myImage.Source = OpenCvSharp.Extensions.WriteableBitmapConverter.ToWriteableBitmap(r);
r.Dispose();
v.Dispose();
CameraChanger.Content = "Режим камеры активирован";
CameraChanger.Background = Brushes.Green;
labelCurState.Content = "Получение потока с камеры";
}
catch
{
MessageBox.Show("Камера недоступна");
cameraMode = StreamSrc.Video;
}
}
else
{
labelCurState.Content = "Чтение видео-файла";
CameraChanger.Content = "Выбор камеры";
CameraChanger.Background = Brushes.LightGray;
cameraMode = StreamSrc.Video;
}
}
/// <summary>
/// Переподключение (к USB). При неудаче Выбор камеры (CameraChanger_Click)
/// </summary>
public void MakeReconnect()
{
var f = new CameraSelectWindow();
f.ShowBusyBox();
var ff = f.imShown;
Task.Run(() =>
{
var success = false;
while (ff)
{
VideoCapture v;
if (cameraMode == StreamSrc.USB_cam)
{
v = VideoCapture.FromCamera(CaptureDevice.Any);
}
else
{
v = VideoCapture.FromFile(filePath);
}
var r = new Mat();
v.Read(r);
if (r.Empty())
{
Thread.Sleep(1000);
}
else
{
Application.Current.Dispatcher.BeginInvoke(new Action(() => Restart(f)));
success = true;
r.Dispose();
break;
}
r.Dispose();
Application.Current.Dispatcher.BeginInvoke(new Action(() => ff = f.imShown));
}
if (!success)
{
Application.Current.Dispatcher.BeginInvoke(new Action(() => PerformAct(CameraChanger_Click)));
}
});
}
