GObject
        GInitiallyUnowned
            GstObject
                GstAllocator
                GstPad
                    GstProxyPad
                        GstGhostPad
                GstPadTemplate
                GstPluginFeature
                    GstElementFactory
                    GstTypeFindFactory
                GstElement
                    GstBin
                        GstPipeline
                GstBus
                GstTask
                GstTaskPool
                GstClock
                    GstSystemClock
                GstControlBinding
                GstControlSource
                GstPlugin
                GstRegistry
    GInterface
        GstChildProxy
        GstURIHandler
        GstPreset
        GstTagSetter