rem: g_return_val_if_fail (GST_IS_ELEMENT (bvw->priv->play), 0);
context: bacon_video_widget_get_aspect_ratio (BaconVideoWidget *bvw){  g_return_val_if_fail (bvw != NULL, 0);  g_return_val_if_fail (BACON_IS_VIDEO_WIDGET (bvw), 0);  g_return_val_if_fail (GST_IS_ELEMENT (bvw->priv->play), 0);  return BVW_RATIO_AUTO;}