GI.Gst.Objects.TracerFactory

Use tracerFactoryGetList to get a list of tracer factories known to GStreamer.

Since: 1.8

Exported types

newtype TracerFactory

Memory-managed wrapper type.

Constructors

TracerFactory (ManagedPtr TracerFactory)

Instances

GObject TracerFactory

Defined in GI.Gst.Objects.TracerFactory

Methods

gobjectType :: IO GType

HasParentTypes TracerFactory

Defined in GI.Gst.Objects.TracerFactory

type ParentTypes TracerFactory

Defined in GI.Gst.Objects.TracerFactory

type ParentTypes TracerFactory = PluginFeature ': (Object ': (Object ': ([] :: [Type])))

class (GObject o, IsDescendantOf TracerFactory o) => IsTracerFactory o

Type class for types which can be safely cast to TracerFactory, for instance with toTracerFactory.

Instances

(GObject o, IsDescendantOf TracerFactory o) => IsTracerFactory o

Defined in GI.Gst.Objects.TracerFactory

toTracerFactory :: (MonadIO m, IsTracerFactory o) => o -> m TracerFactory

Cast to TracerFactory, for types for which this is known to be safe. For general casts, use castTo.

noTracerFactory :: Maybe TracerFactory

A convenience alias for Nothing :: Maybe TracerFactory.

Methods

getList

tracerFactoryGetList

Arguments

:: (HasCallStack, MonadIO m)

=> m [TracerFactory]

Returns: the list of all registered TracerFactory.

Gets the list of all registered tracer factories. You must free the list using pluginFeatureListFree.

The returned factories are sorted by factory name.

Free-function: gst_plugin_feature_list_free

Since: 1.8

getTracerType

tracerFactoryGetTracerType

Arguments

:: (HasCallStack, MonadIO m, IsTracerFactory a)

=> a

factory: factory to get managed GType from

-> m GType

Returns: the GType for tracers managed by this factory or 0 if the factory is not loaded.

Get the GType for elements managed by this factory. The type can only be retrieved if the element factory is loaded, which can be assured with pluginFeatureLoad.