GObject GInitiallyUnowned GstObject GstAllocator GstAllocatorSysmem GstBus GstClock GstControlBinding GstControlSource GstElement GstBaseSink GstFakeSink GstFdSink GstFileSink GstBaseSrc GstFakeSrc GstFileSrc GstPushSrc GstFdSrc GstBaseTransform GstCapsFilter GstIdentity GstBin GstPipeline GstConcat GstDownloadBuffer GstFunnel GstInputSelector GstMultiQueue GstOutputSelector GstQueue GstQueue2 GstStreamidDemux GstTee GstTypeFindElement GstValve GstPad GstPadTemplate GstPlugin GstPluginFeature GstDeviceProviderFactory GstElementFactory GstTracerFactory GstTypeFindFactory GstRegistry GstTask GstTaskPool GstTracer GstLatencyTracer GstLeaksTracer GstLogTracer GstRUsageTracer GstStatsTracer GInterface GTypePlugin GstChildProxy GstURIHandler