void StartUpdating(WaitHandle waitHandle, KinectBaseImageStream stream)
{
var task = waitHandle.WaitTask(Timeout.Infinite);
task.ToObservable()
.ObserveOnDispatcher()
.SelectMany(_ => Observable.Using(
() => stream.GetFrame(waitHandle.Handle)
, frame => Observable.Return(frame))
)
.Where(frame => frame != null)
.Subscribe(
frame => _depthSource.WritePixels(
new Int32Rect(0, 0, frame.Width, frame.Height),
frame.Ptr,
frame.BufferSize,
frame.Pitch)
, ex => {
Console.WriteLine(ex);
StartUpdating(waitHandle, stream);
}
, () => StartUpdating(waitHandle, stream)
)
;
}