MMALSharp video and image capture simultaneously

public async Task PicAndVid()
{
    using (var imgCaptureHandler = new ImageStreamCaptureHandler("/home/pi/images/", "jpg"))
    using (var vidCaptureHandler = new VideoStreamCaptureHandler("/home/pi/videos/", "avi"))
    using (var splitter = new MMALSplitterComponent(null))
    using (var imgEncoder = new MMALImageEncoder(imgCaptureHandler, continuousCapture: true))
    using (var vidEncoder = new MMALVideoEncoder(vidCaptureHandler))
    using (var nullSink = new MMALNullSinkComponent())
    {
        cam.ConfigureCameraSettings();
        
        // Create our component pipeline.         
        imgEncoder.ConfigureOutputPort(0, MMALEncoding.JPEG, MMALEncoding.I420, 90);
        vidEncoder.ConfigureOutputPort(0, MMALEncoding.H264, MMALEncoding.I420, 0, 25000000);
                
        cam.Camera.VideoPort.ConnectTo(splitter);
        splitter.Outputs[0].ConnectTo(imgEncoder);
        splitter.Outputs[1].ConnectTo(vidEncoder);
        cam.Camera.PreviewPort.ConnectTo(nullSink);
        
        // Camera warm up time
        await Task.Delay(2000);
                
        CancellationTokenSource cts = new CancellationTokenSource(TimeSpan.FromSeconds(15));
        
        // Process for 15 seconds.        
        await cam.ProcessAsync(cam.Camera.VideoPort, cts.Token);
    }
}