This inheritance list is sorted roughly, but not completely, alphabetically:

[detail level 123456]

CQGst::AllocationParams	Wrapper class for GstAllocationParams
CQGst::Utils::ApplicationSink	Helper class for using a GstAppSink
CQGst::Utils::ApplicationSource	Helper class for using a GstAppSrc
CQGst::ClockTime	A datatype to hold a time, measured in nanoseconds
▼Cstd::exception	STL class
CQGlib::Error	Wrapper class for GError
CQGst::Fourcc	Helper structure for accessing Fourcc values
CQGst::Ui::GraphicsVideoSurface	Helper class for painting video on a QGraphicsView
CQGst::Ui::GraphicsVideoWidget	A QGraphicsWidget for displaying video on a QGraphicsScene
CQGlib::Quark	Wrapper class for GQuark
CQGst::Private::Range< T >	Common template for IntRange, Int64Range, DoubleRange and FractionRange
▼CQGlib::RefCountedObject	Base class for all the reference-counted object wrappers
▼CQGlib::ObjectBase	Common virtual base class for Object and Interface
▼CQGlib::Interface	Base class for interface wrappers
▼CQGst::ChildProxy	Wrapper class for GstChildProxy
▼CQGst::Bin	Wrapper class for GstBin
CQGst::Pipeline	Wrapper class for GstPipeline
CQGst::ColorBalance	Wrapper class for GstColorBalance
CQGst::StreamVolume	Wrapper class for GstStreamVolume
CQGst::UriHandler	Wrapper class for GstURIHandler
CQGst::VideoOrientation	Wrapper class for GstVideoOrientation
CQGst::VideoOverlay	Wrapper class for GstVideoOverlay
▼CQGlib::Object	Wrapper class for GObject
CQGst::ColorBalanceChannel	Wrapper class for GstColorBalanceChannel
▼CQGst::Object	Wrapper class for GstObject
CQGst::Allocator	Wrapper class for GstAllocator
CQGst::Bus	Wrapper class for GstBus
CQGst::Clock	Wrapper class for GstClock
▼CQGst::Element	Wrapper class for GstElement
CQGst::Bin	Wrapper class for GstBin
▼CQGst::Pad	Wrapper class for GstPad
CQGst::GhostPad	Wrapper class for GstGhostPad
▼CQGst::PluginFeature	Wrapper class for GstPluginFeature
CQGst::ElementFactory	Wrapper class for GstElementFactory
CQGlib::ParamSpec	Wrapper class for GParamSpec
▼CQGst::MiniObject	Wrapper class for GstMiniObject
CQGst::Buffer	Wrapper class for GstBuffer
CQGst::BufferList	Wrapper class for GstBufferList
CQGst::Caps	Wrapper class for GstCaps
▼CQGst::Event	Wrapper class for GstEvent
CQGst::BufferSizeEvent	Wrapper class for events of type QGst::BufferSizeEvent
CQGst::CapsEvent	Wrapper class for events of type QGst::EventCaps
CQGst::EosEvent	Wrapper class for events of type QGst::EosEvent
CQGst::FlushStartEvent	Wrapper class for events of type QGst::FlushStartEvent
CQGst::FlushStopEvent	Wrapper class for events of type QGst::FlushStopEvent
CQGst::LatencyEvent	Wrapper class for events of type QGst::LatencyEvent
CQGst::NavigationEvent	Wrapper class for events of type QGst::NavigationEvent
CQGst::QosEvent	Wrapper class for events of type QGst::QosEvent
CQGst::SeekEvent	Wrapper class for events of type QGst::SeekEvent
CQGst::SegmentEvent	Wrapper class for events of type QGst::SegmentEvent
CQGst::SinkMessageEvent	Wrapper class for events of type QGst::SinkMessageEvent
CQGst::StepEvent	Wrapper class for events of type QGst::StepEvent
CQGst::TagEvent	Wrapper class for events of type QGst::TagEvent
CQGst::Memory	Wrapper class for GstMemory
▼CQGst::Message	Wrapper class for GstMessage
CQGst::ApplicationMessage	Wrapper class for messages of type QGst::MessageApplication
CQGst::AsyncDoneMessage	Wrapper class for messages of type QGst::MessageAsyncDone
CQGst::BufferingMessage	Wrapper class for messages of type QGst::MessageBuffering
CQGst::DurationChangedMessage	Wrapper class for messages of type QGst::MessageDuration
CQGst::ElementMessage	Wrapper class for messages of type QGst::MessageElement
CQGst::EosMessage	Wrapper class for messages of type QGst::MessageEos
CQGst::ErrorMessage	Wrapper class for messages of type QGst::MessageError
CQGst::InfoMessage	Wrapper class for messages of type QGst::MessageInfo
CQGst::LatencyMessage	Wrapper class for messages of type QGst::MessageLatency
CQGst::QosMessage	Wrapper class for messages of type QGst::MessageQos
CQGst::RequestStateMessage	Wrapper class for messages of type QGst::MessageRequestState
CQGst::SegmentDoneMessage	Wrapper class for messages of type QGst::MessageSegmentDone
CQGst::StateChangedMessage	Wrapper class for messages of type QGst::MessageStateChanged
CQGst::StepDoneMessage	Wrapper class for messages of type QGst::MessageStepDone
CQGst::StepStartMessage	Wrapper class for messages of type QGst::MessageStepStart
CQGst::StreamStatusMessage	Wrapper class for messages of type QGst::MessageStreamStatus
CQGst::TagMessage	Wrapper class for messages of type QGst::MessageTag
CQGst::WarningMessage	Wrapper class for messages of type QGst::MessageWarning
▼CQGst::Query	Wrapper class for GstQuery
CQGst::BufferingQuery	Wrapper class for queries of type QGst::BufferingQuery
CQGst::ConvertQuery	Wrapper class for queries of type QGst::ConvertQuery
CQGst::DurationQuery	Wrapper class for queries of type QGst::DurationQuery
CQGst::FormatsQuery	Wrapper class for queries of type QGst::FormatsQuery
CQGst::LatencyQuery	Wrapper class for queries of type QGst::LatencyQuery
CQGst::PositionQuery	Wrapper class for queries of type QGst::PositionQuery
CQGst::SeekingQuery	Wrapper class for queries of type QGst::SeekingQuery
CQGst::SegmentQuery	Wrapper class for queries of type QGst::SegmentQuery
CQGst::UriQuery	Wrapper class for queries of type QGst::UriQuery
CQGst::Sample	Wrapper class for GstSample
CQGlib::RefPointer< T >	Smart pointer class for working with wrapper classes that support reference counting
CQGlib::RefPointer< Element >
CQGlib::RefPointer< Pipeline >
CQGlib::RefPointer< VideoOverlay >
CQGst::Segment	Wrapper for GstSegment
CQGlib::Signal	Helper class providing introspection of GObject signals
▼CQGst::Structure	Wrapper for GstStructure
CQGst::SharedStructure	Helper for shared GstStructure instances
CQGst::TagList	Wrapper class for GstTagList
CQGlib::Type	Wrapper class for GType
CQGlib::Value	Wrapper class for GValue
CQGlib::ValueImpl< T >
CQGlib::ValueVTable
CQGst::Quick::VideoItem	A QQuickItem for displaying video
CQGst::Quick::VideoSurface	Helper class for painting video on a QtQuick2 VideoItem
CQGst::Ui::VideoWidget	A generic video widget that can embed a video sink