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 |
Extra data passed to a video transform MetaTransformFunction
such as:
"gst-video-scale".
- newtype VideoMetaTransform = VideoMetaTransform (ManagedPtr VideoMetaTransform)
- newZeroVideoMetaTransform :: MonadIO m => m VideoMetaTransform
- noVideoMetaTransform :: Maybe 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 ()
- videoMetaTransform_inInfo :: AttrLabelProxy "inInfo"
- clearVideoMetaTransformOutInfo :: MonadIO m => VideoMetaTransform -> m ()
- getVideoMetaTransformOutInfo :: MonadIO m => VideoMetaTransform -> m (Maybe VideoInfo)
- setVideoMetaTransformOutInfo :: MonadIO m => VideoMetaTransform -> Ptr VideoInfo -> m ()
- videoMetaTransform_outInfo :: AttrLabelProxy "outInfo"
Exported types
newtype VideoMetaTransform Source #
WrappedPtr VideoMetaTransform Source # | |
(~) AttrOpTag tag AttrSet => Constructible VideoMetaTransform tag Source # | |
((~) * info (ResolveVideoMetaTransformMethod t VideoMetaTransform), MethodInfo * info VideoMetaTransform p) => IsLabel t (VideoMetaTransform -> p) Source # | |
((~) * info (ResolveVideoMetaTransformMethod t VideoMetaTransform), MethodInfo * info VideoMetaTransform p) => IsLabelProxy t (VideoMetaTransform -> p) Source # | |
HasAttributeList * VideoMetaTransform Source # | |
type AttributeList VideoMetaTransform Source # | |
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
clearVideoMetaTransformInInfo :: MonadIO m => VideoMetaTransform -> m () Source #
getVideoMetaTransformInInfo :: MonadIO m => VideoMetaTransform -> m (Maybe VideoInfo) Source #
setVideoMetaTransformInInfo :: MonadIO m => VideoMetaTransform -> Ptr VideoInfo -> m () Source #
videoMetaTransform_inInfo :: AttrLabelProxy "inInfo" Source #
outInfo
clearVideoMetaTransformOutInfo :: MonadIO m => VideoMetaTransform -> m () Source #
getVideoMetaTransformOutInfo :: MonadIO m => VideoMetaTransform -> m (Maybe VideoInfo) Source #
setVideoMetaTransformOutInfo :: MonadIO m => VideoMetaTransform -> Ptr VideoInfo -> m () Source #
videoMetaTransform_outInfo :: AttrLabelProxy "outInfo" Source #