|  |  |  |  | 
    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstElement
                ├── GstVideoDecoder
                │   ╰── GstVaapiDecode
                ├── GstBaseTransform
                │   ╰── GstVaapiPostproc
                ╰── GstBaseSink
                    ╰── GstVideoSink
                        ╰── GstVaapiSink