GI.GstVideo.Structs.VideoMeta

Extra buffer metadata describing image properties

Exported types

newtype VideoMeta

Constructors

VideoMeta (ManagedPtr VideoMeta)

Instances

WrappedPtr VideoMeta

Methods

wrappedPtrCalloc :: IO (Ptr VideoMeta)

wrappedPtrCopy :: Ptr VideoMeta -> IO (Ptr VideoMeta)

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

(~) AttrOpTag tag AttrSet => Constructible VideoMeta tag

Methods

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

((~) * info (ResolveVideoMetaMethod t VideoMeta), MethodInfo * info VideoMeta p) => IsLabel t (VideoMeta -> p)

Methods

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

((~) * info (ResolveVideoMetaMethod t VideoMeta), MethodInfo * info VideoMeta p) => IsLabelProxy t (VideoMeta -> p)

Methods

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

HasAttributeList * VideoMeta

((~) * signature (Word32 -> MapInfo -> m Bool), MonadIO m) => MethodInfo * VideoMetaUnmapMethodInfo VideoMeta signature

Methods

overloadedMethod :: MethodProxy VideoMetaUnmapMethodInfo VideoMeta -> signature -> s

((~) * signature (Word32 -> MapInfo -> Ptr () -> Int32 -> [MapFlags] -> m Bool), MonadIO m) => MethodInfo * VideoMetaMapMethodInfo VideoMeta signature

Methods

overloadedMethod :: MethodProxy VideoMetaMapMethodInfo VideoMeta -> signature -> s

type AttributeList VideoMeta

type AttributeList VideoMeta

newZeroVideoMeta :: MonadIO m => m VideoMeta

Construct a VideoMeta struct initialized to zero.

noVideoMeta :: Maybe VideoMeta

Methods

getInfo

videoMetaGetInfo :: MonadIO m => m MetaInfo

map

data VideoMetaMapMethodInfo

Instances

((~) * signature (Word32 -> MapInfo -> Ptr () -> Int32 -> [MapFlags] -> m Bool), MonadIO m) => MethodInfo * VideoMetaMapMethodInfo VideoMeta signature

Methods

overloadedMethod :: MethodProxy VideoMetaMapMethodInfo VideoMeta -> signature -> s

videoMetaMap :: MonadIO m => VideoMeta -> Word32 -> MapInfo -> Ptr () -> Int32 -> [MapFlags] -> m Bool

unmap

data VideoMetaUnmapMethodInfo

Instances

((~) * signature (Word32 -> MapInfo -> m Bool), MonadIO m) => MethodInfo * VideoMetaUnmapMethodInfo VideoMeta signature

Methods

overloadedMethod :: MethodProxy VideoMetaUnmapMethodInfo VideoMeta -> signature -> s

videoMetaUnmap :: MonadIO m => VideoMeta -> Word32 -> MapInfo -> m Bool

Properties

buffer

clearVideoMetaBuffer :: MonadIO m => VideoMeta -> m ()

getVideoMetaBuffer :: MonadIO m => VideoMeta -> m (Maybe Buffer)

setVideoMetaBuffer :: MonadIO m => VideoMeta -> Ptr Buffer -> m ()

videoMeta_buffer :: AttrLabelProxy "buffer"

flags

getVideoMetaFlags :: MonadIO m => VideoMeta -> m [VideoFrameFlags]

setVideoMetaFlags :: MonadIO m => VideoMeta -> [VideoFrameFlags] -> m ()

videoMeta_flags :: AttrLabelProxy "flags"

format

getVideoMetaFormat :: MonadIO m => VideoMeta -> m VideoFormat

setVideoMetaFormat :: MonadIO m => VideoMeta -> VideoFormat -> m ()

videoMeta_format :: AttrLabelProxy "format"

height

getVideoMetaHeight :: MonadIO m => VideoMeta -> m Word32

setVideoMetaHeight :: MonadIO m => VideoMeta -> Word32 -> m ()

videoMeta_height :: AttrLabelProxy "height"

id

getVideoMetaId :: MonadIO m => VideoMeta -> m Int32

setVideoMetaId :: MonadIO m => VideoMeta -> Int32 -> m ()

videoMeta_id :: AttrLabelProxy "id"

map

clearVideoMetaMap :: MonadIO m => VideoMeta -> m ()

getVideoMetaMap :: MonadIO m => VideoMeta -> m (Maybe VideoMetaMapFieldCallback)

setVideoMetaMap :: MonadIO m => VideoMeta -> FunPtr C_VideoMetaMapFieldCallback -> m ()

videoMeta_map :: AttrLabelProxy "map"

meta

getVideoMetaMeta :: MonadIO m => VideoMeta -> m Meta

videoMeta_meta :: AttrLabelProxy "meta"

nPlanes

getVideoMetaNPlanes :: MonadIO m => VideoMeta -> m Word32

setVideoMetaNPlanes :: MonadIO m => VideoMeta -> Word32 -> m ()

videoMeta_nPlanes :: AttrLabelProxy "nPlanes"

unmap

clearVideoMetaUnmap :: MonadIO m => VideoMeta -> m ()

getVideoMetaUnmap :: MonadIO m => VideoMeta -> m (Maybe VideoMetaUnmapFieldCallback)

setVideoMetaUnmap :: MonadIO m => VideoMeta -> FunPtr C_VideoMetaUnmapFieldCallback -> m ()

videoMeta_unmap :: AttrLabelProxy "unmap"

width

getVideoMetaWidth :: MonadIO m => VideoMeta -> m Word32

setVideoMetaWidth :: MonadIO m => VideoMeta -> Word32 -> m ()

videoMeta_width :: AttrLabelProxy "width"