GI.GstVideo.Structs.VideoMetaTransform

Extra data passed to a video transform MetaTransformFunction such as: "gst-video-scale".

Exported types

newtype VideoMetaTransform

Constructors

VideoMetaTransform (ManagedPtr VideoMetaTransform)

Instances

WrappedPtr VideoMetaTransform

Methods

wrappedPtrCalloc :: IO (Ptr VideoMetaTransform)

wrappedPtrCopy :: VideoMetaTransform -> IO VideoMetaTransform

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

(~) AttrOpTag tag AttrSet => Constructible VideoMetaTransform tag

Methods

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

((~) * info (ResolveVideoMetaTransformMethod t VideoMetaTransform), MethodInfo * info VideoMetaTransform p) => IsLabel t (VideoMetaTransform -> p)

Methods

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

((~) * info (ResolveVideoMetaTransformMethod t VideoMetaTransform), MethodInfo * info VideoMetaTransform p) => IsLabelProxy t (VideoMetaTransform -> p)

Methods

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

HasAttributeList * VideoMetaTransform

type AttributeList VideoMetaTransform

type AttributeList VideoMetaTransform

newZeroVideoMetaTransform :: MonadIO m => m VideoMetaTransform

Construct a VideoMetaTransform struct initialized to zero.

noVideoMetaTransform :: Maybe VideoMetaTransform

Methods

scaleGetQuark

videoMetaTransformScaleGetQuark

Arguments

:: (HasCallStack, MonadIO m)

=> m Word32

Returns: a GQuark

Get the GQuark for the "gst-video-scale" metadata transform operation.

Properties

inInfo

clearVideoMetaTransformInInfo :: MonadIO m => VideoMetaTransform -> m ()

getVideoMetaTransformInInfo :: MonadIO m => VideoMetaTransform -> m (Maybe VideoInfo)

setVideoMetaTransformInInfo :: MonadIO m => VideoMetaTransform -> Ptr VideoInfo -> m ()

videoMetaTransform_inInfo :: AttrLabelProxy "inInfo"

outInfo

clearVideoMetaTransformOutInfo :: MonadIO m => VideoMetaTransform -> m ()

getVideoMetaTransformOutInfo :: MonadIO m => VideoMetaTransform -> m (Maybe VideoInfo)

setVideoMetaTransformOutInfo :: MonadIO m => VideoMetaTransform -> Ptr VideoInfo -> m ()

videoMetaTransform_outInfo :: AttrLabelProxy "outInfo"