public void CaptureScreenTest()
{
var testFilePath = @"C:\Users\benp\test.mp4";
//var args = FFMpegArguments.FromScreenCapture(ScreenCaptureMethod.DShow, captureTarget: @"video=""UScreenCapture"":audio=""Stereo Mix""");
var args = FFMpegArguments.FromScreenCapture(ScreenCaptureMethod.GdiGrab);
var processor = args.OutputToFile(testFilePath);
var task = processor.CancellableThrough(out var cancelEvent);
Task.Run(() => Thread.Sleep(TimeSpan.FromSeconds(5))).ContinueWith((t) => cancelEvent.Invoke());
var result = task.ProcessSynchronously();
var x = FFProbe.Analyse(testFilePath);
Assert.IsTrue(result, "Failed to record");
Assert.IsTrue(x.Duration > TimeSpan.FromSeconds(1), "Resulting File too short");
}