Copyright | Will Thompson and Iñaki García Etxebarria |
---|---|
License | LGPL-2.1 |
Maintainer | Iñaki García Etxebarria |
Safe Haskell | Safe-Inferred |
Language | Haskell2010 |
Extra data passed to a video transform MetaTransformFunction
such as:
"gst-video-scale".
Synopsis
- newtype VideoMetaTransform = VideoMetaTransform (ManagedPtr VideoMetaTransform)
- newZeroVideoMetaTransform :: MonadIO m => m VideoMetaTransform
- videoMetaTransformScaleGetQuark :: (HasCallStack, MonadIO m) => m Word32
- clearVideoMetaTransformInInfo :: MonadIO m => VideoMetaTransform -> m ()
- getVideoMetaTransformInInfo :: MonadIO m => VideoMetaTransform -> m (Maybe VideoInfo)
- setVideoMetaTransformInInfo :: MonadIO m => VideoMetaTransform -> Ptr VideoInfo -> m ()
- clearVideoMetaTransformOutInfo :: MonadIO m => VideoMetaTransform -> m ()
- getVideoMetaTransformOutInfo :: MonadIO m => VideoMetaTransform -> m (Maybe VideoInfo)
- setVideoMetaTransformOutInfo :: MonadIO m => VideoMetaTransform -> Ptr VideoInfo -> m ()
Exported types
newtype VideoMetaTransform Source #
Memory-managed wrapper type.
Instances
Eq VideoMetaTransform Source # | |
Defined in GI.GstVideo.Structs.VideoMetaTransform (==) :: VideoMetaTransform -> VideoMetaTransform -> Bool # (/=) :: VideoMetaTransform -> VideoMetaTransform -> Bool # | |
BoxedPtr VideoMetaTransform Source # | |
Defined in GI.GstVideo.Structs.VideoMetaTransform boxedPtrCopy :: VideoMetaTransform -> IO VideoMetaTransform # boxedPtrFree :: VideoMetaTransform -> IO () # | |
CallocPtr VideoMetaTransform Source # | |
Defined in GI.GstVideo.Structs.VideoMetaTransform | |
ManagedPtrNewtype VideoMetaTransform Source # | |
tag ~ 'AttrSet => Constructible VideoMetaTransform tag Source # | |
Defined in GI.GstVideo.Structs.VideoMetaTransform new :: MonadIO m => (ManagedPtr VideoMetaTransform -> VideoMetaTransform) -> [AttrOp VideoMetaTransform tag] -> m VideoMetaTransform # |
newZeroVideoMetaTransform :: MonadIO m => m VideoMetaTransform Source #
Construct a VideoMetaTransform
struct initialized to zero.
Methods
scaleGetQuark
videoMetaTransformScaleGetQuark Source #
:: (HasCallStack, MonadIO m) | |
=> m Word32 | Returns: a |
Get the GQuark
for the "gst-video-scale" metadata transform operation.
Properties
inInfo
the input VideoInfo
clearVideoMetaTransformInInfo :: MonadIO m => VideoMetaTransform -> m () Source #
Set the value of the “in_info
” field to Nothing
.
When overloading is enabled, this is equivalent to
clear
#inInfo
getVideoMetaTransformInInfo :: MonadIO m => VideoMetaTransform -> m (Maybe VideoInfo) Source #
Get the value of the “in_info
” field.
When overloading is enabled, this is equivalent to
get
videoMetaTransform #inInfo
setVideoMetaTransformInInfo :: MonadIO m => VideoMetaTransform -> Ptr VideoInfo -> m () Source #
Set the value of the “in_info
” field.
When overloading is enabled, this is equivalent to
set
videoMetaTransform [ #inInfo:=
value ]
outInfo
the output VideoInfo
clearVideoMetaTransformOutInfo :: MonadIO m => VideoMetaTransform -> m () Source #
Set the value of the “out_info
” field to Nothing
.
When overloading is enabled, this is equivalent to
clear
#outInfo
getVideoMetaTransformOutInfo :: MonadIO m => VideoMetaTransform -> m (Maybe VideoInfo) Source #
Get the value of the “out_info
” field.
When overloading is enabled, this is equivalent to
get
videoMetaTransform #outInfo
setVideoMetaTransformOutInfo :: MonadIO m => VideoMetaTransform -> Ptr VideoInfo -> m () Source #
Set the value of the “out_info
” field.
When overloading is enabled, this is equivalent to
set
videoMetaTransform [ #outInfo:=
value ]