rem: g_return_if_fail (vw != NULL); g_return_if_fail (GST_IS_VIDEO_WIDGET (vw));
add: g_return_val_if_fail (vw != NULL, NULL); g_return_val_if_fail (GST_IS_VIDEO_WIDGET (vw), NULL);
context: gst_video_widget_get_logo (GstVideoWidget * vw){  g_return_if_fail (vw != NULL);  g_return_if_fail (GST_IS_VIDEO_WIDGET (vw));  return vw->priv->logo_pixbuf;}