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.Objects.VideoFilter
Contents
Description
Provides useful functions and a base class for video filters.
The videofilter will by default enable QoS on the parent GstBaseTransform to implement frame dropping.
Synopsis
- newtype VideoFilter = VideoFilter (ManagedPtr VideoFilter)
- class GObject o => IsVideoFilter o
- toVideoFilter :: (MonadIO m, IsVideoFilter o) => o -> m VideoFilter
- noVideoFilter :: Maybe VideoFilter
Exported types
newtype VideoFilter Source #
Memory-managed wrapper type.
Constructors
VideoFilter (ManagedPtr VideoFilter) |
Instances
GObject VideoFilter Source # | |
Defined in GI.GstVideo.Objects.VideoFilter Methods gobjectType :: VideoFilter -> IO GType # | |
IsObject VideoFilter Source # | |
Defined in GI.GstVideo.Objects.VideoFilter | |
IsObject VideoFilter Source # | |
Defined in GI.GstVideo.Objects.VideoFilter | |
IsElement VideoFilter Source # | |
Defined in GI.GstVideo.Objects.VideoFilter | |
IsBaseTransform VideoFilter Source # | |
Defined in GI.GstVideo.Objects.VideoFilter | |
IsVideoFilter VideoFilter Source # | |
Defined in GI.GstVideo.Objects.VideoFilter |
class GObject o => IsVideoFilter o Source #
Type class for types which can be safely cast to VideoFilter
, for instance with toVideoFilter
.
Instances
(GObject a, (UnknownAncestorError VideoFilter a :: Constraint)) => IsVideoFilter a Source # | |
Defined in GI.GstVideo.Objects.VideoFilter | |
IsVideoFilter VideoFilter Source # | |
Defined in GI.GstVideo.Objects.VideoFilter |
toVideoFilter :: (MonadIO m, IsVideoFilter o) => o -> m VideoFilter Source #
Cast to VideoFilter
, for types for which this is known to be safe. For general casts, use castTo
.
noVideoFilter :: Maybe VideoFilter Source #
A convenience alias for Nothing
:: Maybe
VideoFilter
.