GST_IS_CONTROL_SOURCE   90 libs/gst/controller/gstcontrolsource.c   g_return_val_if_fail (GST_IS_CONTROL_SOURCE (self), FALSE);
GST_IS_CONTROL_SOURCE  120 libs/gst/controller/gstcontrolsource.c   g_return_val_if_fail (GST_IS_CONTROL_SOURCE (self), FALSE);
GST_IS_CONTROL_SOURCE  145 libs/gst/controller/gstcontrolsource.c   g_return_val_if_fail (GST_IS_CONTROL_SOURCE (self), FALSE);
GST_IS_CONTROL_SOURCE  215 libs/gst/controller/gsthelper.c   g_return_val_if_fail (GST_IS_CONTROL_SOURCE (csource), FALSE);