gi-gstvideo-1.0.2: GStreamerVideo bindings

Copyright	Will Thompson, Iñaki García Etxebarria and Jonas Platte
License	LGPL-2.1
Maintainer	Iñaki García Etxebarria (garetxe@gmail.com)
Safe Haskell	None
Language	Haskell2010

GI.GstVideo.Structs.VideoMeta

Contents

Exported types
Methods
Properties

Description

Extra buffer metadata describing image properties

Synopsis

Exported types

newtype VideoMeta Source

Constructors

VideoMeta (ForeignPtr VideoMeta)

Instances

WrappedPtr VideoMeta Source
(~) AttrOpTag tag AttrSet => Constructible VideoMeta tag Source
((~) * signature (Word32 -> MapInfo -> m Bool), MonadIO m) => MethodInfo * VideoMetaUnmapMethodInfo VideoMeta signature Source
((~) * signature (Word32 -> MapInfo -> Ptr () -> Int32 -> [MapFlags] -> m Bool), MonadIO m) => MethodInfo * VideoMetaMapMethodInfo VideoMeta signature Source
((~) * info (ResolveVideoMetaMethod t VideoMeta), MethodInfo * info VideoMeta p) => IsLabelProxy t (VideoMeta -> p) Source
type AttributeList VideoMeta Source

newZeroVideoMeta :: MonadIO m => m VideoMeta Source

Construct a VideoMeta struct initialized to zero.

noVideoMeta :: Maybe VideoMeta Source

Methods

videoMetaGetInfo

videoMetaGetInfo :: MonadIO m => m MetaInfo Source

videoMetaMap

data VideoMetaMapMethodInfo Source

Instances

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

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

videoMetaUnmap

data VideoMetaUnmapMethodInfo Source

Instances

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

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

Properties

Buffer

videoMetaBuffer :: AttrLabelProxy "buffer" Source

videoMetaClearBuffer :: MonadIO m => VideoMeta -> m () Source

videoMetaReadBuffer :: MonadIO m => VideoMeta -> m (Maybe Buffer) Source

videoMetaWriteBuffer :: MonadIO m => VideoMeta -> Ptr Buffer -> m () Source

Flags

videoMetaFlags :: AttrLabelProxy "flags" Source

videoMetaReadFlags :: MonadIO m => VideoMeta -> m [VideoFrameFlags] Source

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

Format

videoMetaFormat :: AttrLabelProxy "format" Source

videoMetaReadFormat :: MonadIO m => VideoMeta -> m VideoFormat Source

videoMetaWriteFormat :: MonadIO m => VideoMeta -> VideoFormat -> m () Source

Height

videoMetaHeight :: AttrLabelProxy "height" Source

videoMetaReadHeight :: MonadIO m => VideoMeta -> m Word32 Source

videoMetaWriteHeight :: MonadIO m => VideoMeta -> Word32 -> m () Source

Id

videoMetaId :: AttrLabelProxy "id" Source

videoMetaReadId :: MonadIO m => VideoMeta -> m Int32 Source

videoMetaWriteId :: MonadIO m => VideoMeta -> Int32 -> m () Source

Meta

videoMetaClearMeta :: MonadIO m => VideoMeta -> m () Source

videoMetaMeta :: AttrLabelProxy "meta" Source

videoMetaReadMeta :: MonadIO m => VideoMeta -> m (Maybe Meta) Source

videoMetaWriteMeta :: MonadIO m => VideoMeta -> Ptr Meta -> m () Source

NPlanes

videoMetaNPlanes :: AttrLabelProxy "nPlanes" Source

videoMetaReadNPlanes :: MonadIO m => VideoMeta -> m Word32 Source

videoMetaWriteNPlanes :: MonadIO m => VideoMeta -> Word32 -> m () Source

Width

videoMetaReadWidth :: MonadIO m => VideoMeta -> m Word32 Source

videoMetaWidth :: AttrLabelProxy "width" Source

videoMetaWriteWidth :: MonadIO m => VideoMeta -> Word32 -> m () Source