SharpDX MediaEngine on Win8 Metro

gistfile1.cs

//This works..... (for playing audio)
MediaEngine Media;
MediaManager.Startup();

var attributes = new MediaEngineAttributes
{
    AudioCategory = AudioStreamCategory.BackgroundCapableMedia,
    AudioEndpointRole = AudioEndpointRole.Multimedia
            
};

using (var factory = new MediaEngineClassFactory())
{
    var mediaEngine = new MediaEngine(factory, attributes, MediaEngineCreateflags.Audioonly);
    Media = mediaEngine.QueryInterface<MediaEngineEx>();
}