add: if (GST_STATE (bvw->priv->play) >= GST_STATE_PAUSED) {  }
context: bacon_video_widget_set_visuals_quality (BaconVideoWidget * bvw,					VisualsQuality quality){  g_return_if_fail (bvw != NULL);  g_return_if_fail (BACON_IS_VIDEO_WIDGET (bvw));  g_return_if_fail (GST_IS_ELEMENT (bvw->priv->play));  if (bvw->priv->visq == quality)    return;  bvw->priv->visq = quality;  //gst_pad_renegotiate (gst_element_get_pad (bvw->priv->vis_element, "src"));}