GstControllerPrivate  919 libs/gst/controller/gstcontroller.c       GstControllerPrivate);
GstControllerPrivate  930 libs/gst/controller/gstcontroller.c   g_type_class_add_private (klass, sizeof (GstControllerPrivate));
GstControllerPrivate   66 libs/gst/controller/gstcontroller.h   GstControllerPrivate *priv;