{

        // videoTrackFX is the special track that implements the effect

        videoTrackFX = NewMovieTrack(myDestMovie, videoTrackFXWidth, videoTrackFXHeight, 0);

        BailNil(videoTrackFX);

        // create the media for our effects track

        videoMediaFX = NewTrackMedia(videoTrackFX, VideoMediaType, myMovieTimeScale, NULL, 0);

        BailNil(videoMediaFX);

    }