/// <summary>
/// Instantiates a new InteractionStream, feeds this InteractionStream with Skeleton- and DepthData and subscribes to the InteractionFrameReady event.
/// </summary>
/// <param name="kinectSensor">The Kinect sensor passed to the interaction stream instance.</param>
/// <param name="interactionClient">The interaction client passed to the interaction stream instance.</param>
/// <returns>An UserInfo stream that contains an action that disposes the interaction stream when the observable is disposed.</returns>
public static IObservable <UserInfo[]> GetUserInfoObservable(this KinectSensor kinectSensor, IInteractionClient interactionClient)
{
if (kinectSensor == null)
{
throw new ArgumentNullException("kinect");
}
if (interactionClient == null)
{
throw new ArgumentNullException("interactionClient");
}
if (!kinectSensor.DepthStream.IsEnabled)
{
throw new InvalidOperationException("The depth stream is not enabled, but mandatory.");
}
if (!kinectSensor.SkeletonStream.IsEnabled)
{
throw new InvalidOperationException("The skeleton stream is not enabled, but mandatory.");
}
return(Observable.Create <UserInfo[]>(observer =>
{
var stream = new InteractionStream(kinectSensor, interactionClient);
var obs = kinectSensor.GetAllFramesReadyObservable()
.SelectStreams((_, __) => Tuple.Create(_.Timestamp, __.Timestamp))
.Subscribe(_ =>
{
stream.ProcessSkeleton(_.Item3, kinectSensor.AccelerometerGetCurrentReading(), _.Item4.Item1);
stream.ProcessDepth(_.Item2, _.Item4.Item2);
});
stream.GetInteractionFrameReadyObservable()
.SelectUserInfo()
.Subscribe(_ => observer.OnNext(_));
return new Action(() =>
{
obs.Dispose();
stream.Dispose();
});
}));
}