ivtv_yuv_filter
ivtv_yuv_filter(itv, h_filter, v_filter_1, v_filter_2);
ivtv_yuv_filter(itv, h_filter, -1, -1);
ivtv_yuv_filter(itv, -1, v_filter_1, -1);
ivtv_yuv_filter(itv, -1, -1, v_filter_2);