GObject
        GstObject
            GstElement
                GstBaseSrc
                    GstPushSrc
                GstBaseSink
                GstBaseTransform
            GstClock
                GstSystemClock
                    GstNetClientClock
            GstCollectPads
            GstNetTimeProvider
        GstAdapter
        GstController
        GstControlSource
            GstInterpolationControlSource
            GstLFOControlSource