GI.Gst.Structs.MetaInfo

The MetaInfo provides information about a specific metadata structure.

Exported types

newtype MetaInfo

Constructors

MetaInfo (ManagedPtr MetaInfo)

Instances

WrappedPtr MetaInfo

Methods

wrappedPtrCalloc :: IO (Ptr MetaInfo)

wrappedPtrCopy :: MetaInfo -> IO MetaInfo

wrappedPtrFree :: Maybe (FunPtr (Ptr MetaInfo -> IO ()))

(~) AttrOpTag tag AttrSet => Constructible MetaInfo tag

Methods

new :: MonadIO m => (ManagedPtr MetaInfo -> MetaInfo) -> [AttrOp MetaInfo tag] -> m MetaInfo

((~) * info (ResolveMetaInfoMethod t MetaInfo), MethodInfo * info MetaInfo p) => IsLabel t (MetaInfo -> p)

Methods

fromLabel :: Proxy# Symbol t -> MetaInfo -> p

((~) * info (ResolveMetaInfoMethod t MetaInfo), MethodInfo * info MetaInfo p) => IsLabelProxy t (MetaInfo -> p)

Methods

fromLabelProxy :: Proxy Symbol t -> MetaInfo -> p

HasAttributeList * MetaInfo

type AttributeList MetaInfo

type AttributeList MetaInfo

newZeroMetaInfo :: MonadIO m => m MetaInfo

Construct a MetaInfo struct initialized to zero.

noMetaInfo :: Maybe MetaInfo

Properties

api

getMetaInfoApi :: MonadIO m => MetaInfo -> m GType

metaInfo_api :: AttrLabelProxy "api"

setMetaInfoApi :: MonadIO m => MetaInfo -> GType -> m ()

freeFunc

clearMetaInfoFreeFunc :: MonadIO m => MetaInfo -> m ()

getMetaInfoFreeFunc :: MonadIO m => MetaInfo -> m (Maybe MetaFreeFunction)

metaInfo_freeFunc :: AttrLabelProxy "freeFunc"

setMetaInfoFreeFunc :: MonadIO m => MetaInfo -> FunPtr C_MetaFreeFunction -> m ()

initFunc

clearMetaInfoInitFunc :: MonadIO m => MetaInfo -> m ()

getMetaInfoInitFunc :: MonadIO m => MetaInfo -> m (Maybe MetaInitFunction)

metaInfo_initFunc :: AttrLabelProxy "initFunc"

setMetaInfoInitFunc :: MonadIO m => MetaInfo -> FunPtr C_MetaInitFunction -> m ()

size

getMetaInfoSize :: MonadIO m => MetaInfo -> m Word64

metaInfo_size :: AttrLabelProxy "size"

setMetaInfoSize :: MonadIO m => MetaInfo -> Word64 -> m ()

transformFunc

clearMetaInfoTransformFunc :: MonadIO m => MetaInfo -> m ()

getMetaInfoTransformFunc :: MonadIO m => MetaInfo -> m (Maybe MetaTransformFunction)

metaInfo_transformFunc :: AttrLabelProxy "transformFunc"

setMetaInfoTransformFunc :: MonadIO m => MetaInfo -> FunPtr C_MetaTransformFunction -> m ()

type

getMetaInfoType :: MonadIO m => MetaInfo -> m GType

metaInfo_type :: AttrLabelProxy "type"

setMetaInfoType :: MonadIO m => MetaInfo -> GType -> m ()