private void OnMSSSampleRendered(MediaStreamSource sender, MediaStreamSourceSampleRenderedEventArgs args)
 {
     if (parent != null)
     {
         parent.StartWritingOutput("Written Frame : " + (frameCounter).ToString(), 1);
     }
 }
        private void Mss_SampleRendered(MediaStreamSource sender, MediaStreamSourceSampleRenderedEventArgs args)
        {
            foundKeyFrame = true;

            Debug.WriteLine("sample rendered event");
        }
 private void Source_SampleRendered(MediaStreamSource sender, MediaStreamSourceSampleRenderedEventArgs args)
 {
     Debug.WriteLine("Rendered");
 }