GObject GstObject GstBus GstClock GstElement GstBaseSink GstFakeSink GstFdSink GstFileSink GstBaseSrc GstFakeSrc GstFileSrc GstPushSrc GstFdSrc GstBaseTransform GstCapsFilter GstIdentity GstBin GstPipeline GstMultiQueue GstQueue GstQueue2 GstTee GstTypeFindElement GstIndex GstFileIndex GstMemIndex GstPad GstPadTemplate GstPlugin GstPluginFeature GstElementFactory GstIndexFactory GstTypeFindFactory GstRegistry GstTask GstTaskPool GstSignalObject GInterface GTypePlugin GstChildProxy GstURIHandler