GstDataQueueClass  133 libs/gst/base/gstdataqueue.c       G_STRUCT_OFFSET (GstDataQueueClass, empty), NULL, NULL,
GstDataQueueClass  147 libs/gst/base/gstdataqueue.c       G_STRUCT_OFFSET (GstDataQueueClass, full), NULL, NULL,
GstDataQueueClass   34 libs/gst/base/gstdataqueue.h   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DATA_QUEUE,GstDataQueueClass))