gi-gstvideo-1.0.18: GI/GstVideo/Objects/VideoSink.hs

{- |
Copyright  : Will Thompson, Iñaki García Etxebarria and Jonas Platte
License    : LGPL-2.1
Maintainer : Iñaki García Etxebarria (inaki@blueleaf.cc)

Provides useful functions and a base class for video sinks.

GstVideoSink will configure the default base sink to drop frames that
arrive later than 20ms as this is considered the default threshold for
observing out-of-sync frames.
-}

#define ENABLE_OVERLOADING (MIN_VERSION_haskell_gi_overloading(1,0,0) \
       && !defined(__HADDOCK_VERSION__))

module GI.GstVideo.Objects.VideoSink
    ( 

-- * Exported types
    VideoSink(..)                           ,
    IsVideoSink                             ,
    toVideoSink                             ,
    noVideoSink                             ,


 -- * Methods
-- ** centerRect #method:centerRect#

    videoSinkCenterRect                     ,




 -- * Properties
-- ** showPrerollFrame #attr:showPrerollFrame#
{- | Whether to show video frames during preroll. If set to 'False', video
frames will only be rendered in PLAYING state.
-}
#if ENABLE_OVERLOADING
    VideoSinkShowPrerollFramePropertyInfo   ,
#endif
    constructVideoSinkShowPrerollFrame      ,
    getVideoSinkShowPrerollFrame            ,
    setVideoSinkShowPrerollFrame            ,
#if ENABLE_OVERLOADING
    videoSinkShowPrerollFrame               ,
#endif




    ) where

import Data.GI.Base.ShortPrelude
import qualified Data.GI.Base.ShortPrelude as SP
import qualified Data.GI.Base.Overloading as O
import qualified Prelude as P

import qualified Data.GI.Base.Attributes as GI.Attributes
import qualified Data.GI.Base.ManagedPtr as B.ManagedPtr
import qualified Data.GI.Base.GClosure as B.GClosure
import qualified Data.GI.Base.GError as B.GError
import qualified Data.GI.Base.GVariant as B.GVariant
import qualified Data.GI.Base.GValue as B.GValue
import qualified Data.GI.Base.GParamSpec as B.GParamSpec
import qualified Data.GI.Base.CallStack as B.CallStack
import qualified Data.GI.Base.Properties as B.Properties
import qualified Data.Text as T
import qualified Data.ByteString.Char8 as B
import qualified Data.Map as Map
import qualified Foreign.Ptr as FP
import qualified GHC.OverloadedLabels as OL

import qualified GI.GObject.Objects.Object as GObject.Object
import qualified GI.Gst.Objects.Element as Gst.Element
import qualified GI.Gst.Objects.Object as Gst.Object
import qualified GI.GstBase.Objects.BaseSink as GstBase.BaseSink
import {-# SOURCE #-} qualified GI.GstVideo.Structs.VideoRectangle as GstVideo.VideoRectangle

-- | Memory-managed wrapper type.
newtype VideoSink = VideoSink (ManagedPtr VideoSink)
foreign import ccall "gst_video_sink_get_type"
    c_gst_video_sink_get_type :: IO GType

instance GObject VideoSink where
    gobjectType = c_gst_video_sink_get_type
    

-- | Type class for types which can be safely cast to `VideoSink`, for instance with `toVideoSink`.
class (GObject o, O.IsDescendantOf VideoSink o) => IsVideoSink o
instance (GObject o, O.IsDescendantOf VideoSink o) => IsVideoSink o

instance O.HasParentTypes VideoSink
type instance O.ParentTypes VideoSink = '[GstBase.BaseSink.BaseSink, Gst.Element.Element, Gst.Object.Object, GObject.Object.Object]

-- | Cast to `VideoSink`, for types for which this is known to be safe. For general casts, use `Data.GI.Base.ManagedPtr.castTo`.
toVideoSink :: (MonadIO m, IsVideoSink o) => o -> m VideoSink
toVideoSink = liftIO . unsafeCastTo VideoSink

-- | A convenience alias for `Nothing` :: `Maybe` `VideoSink`.
noVideoSink :: Maybe VideoSink
noVideoSink = Nothing

#if ENABLE_OVERLOADING
type family ResolveVideoSinkMethod (t :: Symbol) (o :: *) :: * where
    ResolveVideoSinkMethod "abortState" o = Gst.Element.ElementAbortStateMethodInfo
    ResolveVideoSinkMethod "addControlBinding" o = Gst.Object.ObjectAddControlBindingMethodInfo
    ResolveVideoSinkMethod "addPad" o = Gst.Element.ElementAddPadMethodInfo
    ResolveVideoSinkMethod "addPropertyDeepNotifyWatch" o = Gst.Element.ElementAddPropertyDeepNotifyWatchMethodInfo
    ResolveVideoSinkMethod "addPropertyNotifyWatch" o = Gst.Element.ElementAddPropertyNotifyWatchMethodInfo
    ResolveVideoSinkMethod "bindProperty" o = GObject.Object.ObjectBindPropertyMethodInfo
    ResolveVideoSinkMethod "bindPropertyFull" o = GObject.Object.ObjectBindPropertyFullMethodInfo
    ResolveVideoSinkMethod "callAsync" o = Gst.Element.ElementCallAsyncMethodInfo
    ResolveVideoSinkMethod "changeState" o = Gst.Element.ElementChangeStateMethodInfo
    ResolveVideoSinkMethod "continueState" o = Gst.Element.ElementContinueStateMethodInfo
    ResolveVideoSinkMethod "createAllPads" o = Gst.Element.ElementCreateAllPadsMethodInfo
    ResolveVideoSinkMethod "defaultError" o = Gst.Object.ObjectDefaultErrorMethodInfo
    ResolveVideoSinkMethod "doPreroll" o = GstBase.BaseSink.BaseSinkDoPrerollMethodInfo
    ResolveVideoSinkMethod "forceFloating" o = GObject.Object.ObjectForceFloatingMethodInfo
    ResolveVideoSinkMethod "foreachPad" o = Gst.Element.ElementForeachPadMethodInfo
    ResolveVideoSinkMethod "foreachSinkPad" o = Gst.Element.ElementForeachSinkPadMethodInfo
    ResolveVideoSinkMethod "foreachSrcPad" o = Gst.Element.ElementForeachSrcPadMethodInfo
    ResolveVideoSinkMethod "freezeNotify" o = GObject.Object.ObjectFreezeNotifyMethodInfo
    ResolveVideoSinkMethod "getv" o = GObject.Object.ObjectGetvMethodInfo
    ResolveVideoSinkMethod "hasActiveControlBindings" o = Gst.Object.ObjectHasActiveControlBindingsMethodInfo
    ResolveVideoSinkMethod "hasAncestor" o = Gst.Object.ObjectHasAncestorMethodInfo
    ResolveVideoSinkMethod "hasAsAncestor" o = Gst.Object.ObjectHasAsAncestorMethodInfo
    ResolveVideoSinkMethod "hasAsParent" o = Gst.Object.ObjectHasAsParentMethodInfo
    ResolveVideoSinkMethod "isAsyncEnabled" o = GstBase.BaseSink.BaseSinkIsAsyncEnabledMethodInfo
    ResolveVideoSinkMethod "isFloating" o = GObject.Object.ObjectIsFloatingMethodInfo
    ResolveVideoSinkMethod "isLastSampleEnabled" o = GstBase.BaseSink.BaseSinkIsLastSampleEnabledMethodInfo
    ResolveVideoSinkMethod "isLockedState" o = Gst.Element.ElementIsLockedStateMethodInfo
    ResolveVideoSinkMethod "isQosEnabled" o = GstBase.BaseSink.BaseSinkIsQosEnabledMethodInfo
    ResolveVideoSinkMethod "iteratePads" o = Gst.Element.ElementIteratePadsMethodInfo
    ResolveVideoSinkMethod "iterateSinkPads" o = Gst.Element.ElementIterateSinkPadsMethodInfo
    ResolveVideoSinkMethod "iterateSrcPads" o = Gst.Element.ElementIterateSrcPadsMethodInfo
    ResolveVideoSinkMethod "link" o = Gst.Element.ElementLinkMethodInfo
    ResolveVideoSinkMethod "linkFiltered" o = Gst.Element.ElementLinkFilteredMethodInfo
    ResolveVideoSinkMethod "linkPads" o = Gst.Element.ElementLinkPadsMethodInfo
    ResolveVideoSinkMethod "linkPadsFiltered" o = Gst.Element.ElementLinkPadsFilteredMethodInfo
    ResolveVideoSinkMethod "linkPadsFull" o = Gst.Element.ElementLinkPadsFullMethodInfo
    ResolveVideoSinkMethod "lostState" o = Gst.Element.ElementLostStateMethodInfo
    ResolveVideoSinkMethod "messageFull" o = Gst.Element.ElementMessageFullMethodInfo
    ResolveVideoSinkMethod "messageFullWithDetails" o = Gst.Element.ElementMessageFullWithDetailsMethodInfo
    ResolveVideoSinkMethod "noMorePads" o = Gst.Element.ElementNoMorePadsMethodInfo
    ResolveVideoSinkMethod "notify" o = GObject.Object.ObjectNotifyMethodInfo
    ResolveVideoSinkMethod "notifyByPspec" o = GObject.Object.ObjectNotifyByPspecMethodInfo
    ResolveVideoSinkMethod "postMessage" o = Gst.Element.ElementPostMessageMethodInfo
    ResolveVideoSinkMethod "provideClock" o = Gst.Element.ElementProvideClockMethodInfo
    ResolveVideoSinkMethod "query" o = Gst.Element.ElementQueryMethodInfo
    ResolveVideoSinkMethod "queryConvert" o = Gst.Element.ElementQueryConvertMethodInfo
    ResolveVideoSinkMethod "queryDuration" o = Gst.Element.ElementQueryDurationMethodInfo
    ResolveVideoSinkMethod "queryLatency" o = GstBase.BaseSink.BaseSinkQueryLatencyMethodInfo
    ResolveVideoSinkMethod "queryPosition" o = Gst.Element.ElementQueryPositionMethodInfo
    ResolveVideoSinkMethod "ref" o = Gst.Object.ObjectRefMethodInfo
    ResolveVideoSinkMethod "refSink" o = GObject.Object.ObjectRefSinkMethodInfo
    ResolveVideoSinkMethod "releaseRequestPad" o = Gst.Element.ElementReleaseRequestPadMethodInfo
    ResolveVideoSinkMethod "removeControlBinding" o = Gst.Object.ObjectRemoveControlBindingMethodInfo
    ResolveVideoSinkMethod "removePad" o = Gst.Element.ElementRemovePadMethodInfo
    ResolveVideoSinkMethod "removePropertyNotifyWatch" o = Gst.Element.ElementRemovePropertyNotifyWatchMethodInfo
    ResolveVideoSinkMethod "requestPad" o = Gst.Element.ElementRequestPadMethodInfo
    ResolveVideoSinkMethod "runDispose" o = GObject.Object.ObjectRunDisposeMethodInfo
    ResolveVideoSinkMethod "seek" o = Gst.Element.ElementSeekMethodInfo
    ResolveVideoSinkMethod "seekSimple" o = Gst.Element.ElementSeekSimpleMethodInfo
    ResolveVideoSinkMethod "sendEvent" o = Gst.Element.ElementSendEventMethodInfo
    ResolveVideoSinkMethod "stealData" o = GObject.Object.ObjectStealDataMethodInfo
    ResolveVideoSinkMethod "stealQdata" o = GObject.Object.ObjectStealQdataMethodInfo
    ResolveVideoSinkMethod "suggestNextSync" o = Gst.Object.ObjectSuggestNextSyncMethodInfo
    ResolveVideoSinkMethod "syncStateWithParent" o = Gst.Element.ElementSyncStateWithParentMethodInfo
    ResolveVideoSinkMethod "syncValues" o = Gst.Object.ObjectSyncValuesMethodInfo
    ResolveVideoSinkMethod "thawNotify" o = GObject.Object.ObjectThawNotifyMethodInfo
    ResolveVideoSinkMethod "unlink" o = Gst.Element.ElementUnlinkMethodInfo
    ResolveVideoSinkMethod "unlinkPads" o = Gst.Element.ElementUnlinkPadsMethodInfo
    ResolveVideoSinkMethod "unparent" o = Gst.Object.ObjectUnparentMethodInfo
    ResolveVideoSinkMethod "unref" o = Gst.Object.ObjectUnrefMethodInfo
    ResolveVideoSinkMethod "wait" o = GstBase.BaseSink.BaseSinkWaitMethodInfo
    ResolveVideoSinkMethod "waitClock" o = GstBase.BaseSink.BaseSinkWaitClockMethodInfo
    ResolveVideoSinkMethod "waitPreroll" o = GstBase.BaseSink.BaseSinkWaitPrerollMethodInfo
    ResolveVideoSinkMethod "watchClosure" o = GObject.Object.ObjectWatchClosureMethodInfo
    ResolveVideoSinkMethod "getBaseTime" o = Gst.Element.ElementGetBaseTimeMethodInfo
    ResolveVideoSinkMethod "getBlocksize" o = GstBase.BaseSink.BaseSinkGetBlocksizeMethodInfo
    ResolveVideoSinkMethod "getBus" o = Gst.Element.ElementGetBusMethodInfo
    ResolveVideoSinkMethod "getClock" o = Gst.Element.ElementGetClockMethodInfo
    ResolveVideoSinkMethod "getCompatiblePad" o = Gst.Element.ElementGetCompatiblePadMethodInfo
    ResolveVideoSinkMethod "getCompatiblePadTemplate" o = Gst.Element.ElementGetCompatiblePadTemplateMethodInfo
    ResolveVideoSinkMethod "getContext" o = Gst.Element.ElementGetContextMethodInfo
    ResolveVideoSinkMethod "getContextUnlocked" o = Gst.Element.ElementGetContextUnlockedMethodInfo
    ResolveVideoSinkMethod "getContexts" o = Gst.Element.ElementGetContextsMethodInfo
    ResolveVideoSinkMethod "getControlBinding" o = Gst.Object.ObjectGetControlBindingMethodInfo
    ResolveVideoSinkMethod "getControlRate" o = Gst.Object.ObjectGetControlRateMethodInfo
    ResolveVideoSinkMethod "getData" o = GObject.Object.ObjectGetDataMethodInfo
    ResolveVideoSinkMethod "getDropOutOfSegment" o = GstBase.BaseSink.BaseSinkGetDropOutOfSegmentMethodInfo
    ResolveVideoSinkMethod "getFactory" o = Gst.Element.ElementGetFactoryMethodInfo
    ResolveVideoSinkMethod "getGValueArray" o = Gst.Object.ObjectGetGValueArrayMethodInfo
    ResolveVideoSinkMethod "getLastSample" o = GstBase.BaseSink.BaseSinkGetLastSampleMethodInfo
    ResolveVideoSinkMethod "getLatency" o = GstBase.BaseSink.BaseSinkGetLatencyMethodInfo
    ResolveVideoSinkMethod "getMaxBitrate" o = GstBase.BaseSink.BaseSinkGetMaxBitrateMethodInfo
    ResolveVideoSinkMethod "getMaxLateness" o = GstBase.BaseSink.BaseSinkGetMaxLatenessMethodInfo
    ResolveVideoSinkMethod "getMetadata" o = Gst.Element.ElementGetMetadataMethodInfo
    ResolveVideoSinkMethod "getName" o = Gst.Object.ObjectGetNameMethodInfo
    ResolveVideoSinkMethod "getPadTemplate" o = Gst.Element.ElementGetPadTemplateMethodInfo
    ResolveVideoSinkMethod "getPadTemplateList" o = Gst.Element.ElementGetPadTemplateListMethodInfo
    ResolveVideoSinkMethod "getParent" o = Gst.Object.ObjectGetParentMethodInfo
    ResolveVideoSinkMethod "getPathString" o = Gst.Object.ObjectGetPathStringMethodInfo
    ResolveVideoSinkMethod "getProcessingDeadline" o = GstBase.BaseSink.BaseSinkGetProcessingDeadlineMethodInfo
    ResolveVideoSinkMethod "getProperty" o = GObject.Object.ObjectGetPropertyMethodInfo
    ResolveVideoSinkMethod "getQdata" o = GObject.Object.ObjectGetQdataMethodInfo
    ResolveVideoSinkMethod "getRenderDelay" o = GstBase.BaseSink.BaseSinkGetRenderDelayMethodInfo
    ResolveVideoSinkMethod "getRequestPad" o = Gst.Element.ElementGetRequestPadMethodInfo
    ResolveVideoSinkMethod "getStartTime" o = Gst.Element.ElementGetStartTimeMethodInfo
    ResolveVideoSinkMethod "getState" o = Gst.Element.ElementGetStateMethodInfo
    ResolveVideoSinkMethod "getStaticPad" o = Gst.Element.ElementGetStaticPadMethodInfo
    ResolveVideoSinkMethod "getSync" o = GstBase.BaseSink.BaseSinkGetSyncMethodInfo
    ResolveVideoSinkMethod "getThrottleTime" o = GstBase.BaseSink.BaseSinkGetThrottleTimeMethodInfo
    ResolveVideoSinkMethod "getTsOffset" o = GstBase.BaseSink.BaseSinkGetTsOffsetMethodInfo
    ResolveVideoSinkMethod "getValue" o = Gst.Object.ObjectGetValueMethodInfo
    ResolveVideoSinkMethod "setAsyncEnabled" o = GstBase.BaseSink.BaseSinkSetAsyncEnabledMethodInfo
    ResolveVideoSinkMethod "setBaseTime" o = Gst.Element.ElementSetBaseTimeMethodInfo
    ResolveVideoSinkMethod "setBlocksize" o = GstBase.BaseSink.BaseSinkSetBlocksizeMethodInfo
    ResolveVideoSinkMethod "setBus" o = Gst.Element.ElementSetBusMethodInfo
    ResolveVideoSinkMethod "setClock" o = Gst.Element.ElementSetClockMethodInfo
    ResolveVideoSinkMethod "setContext" o = Gst.Element.ElementSetContextMethodInfo
    ResolveVideoSinkMethod "setControlBindingDisabled" o = Gst.Object.ObjectSetControlBindingDisabledMethodInfo
    ResolveVideoSinkMethod "setControlBindingsDisabled" o = Gst.Object.ObjectSetControlBindingsDisabledMethodInfo
    ResolveVideoSinkMethod "setControlRate" o = Gst.Object.ObjectSetControlRateMethodInfo
    ResolveVideoSinkMethod "setData" o = GObject.Object.ObjectSetDataMethodInfo
    ResolveVideoSinkMethod "setDropOutOfSegment" o = GstBase.BaseSink.BaseSinkSetDropOutOfSegmentMethodInfo
    ResolveVideoSinkMethod "setLastSampleEnabled" o = GstBase.BaseSink.BaseSinkSetLastSampleEnabledMethodInfo
    ResolveVideoSinkMethod "setLockedState" o = Gst.Element.ElementSetLockedStateMethodInfo
    ResolveVideoSinkMethod "setMaxBitrate" o = GstBase.BaseSink.BaseSinkSetMaxBitrateMethodInfo
    ResolveVideoSinkMethod "setMaxLateness" o = GstBase.BaseSink.BaseSinkSetMaxLatenessMethodInfo
    ResolveVideoSinkMethod "setName" o = Gst.Object.ObjectSetNameMethodInfo
    ResolveVideoSinkMethod "setParent" o = Gst.Object.ObjectSetParentMethodInfo
    ResolveVideoSinkMethod "setProcessingDeadline" o = GstBase.BaseSink.BaseSinkSetProcessingDeadlineMethodInfo
    ResolveVideoSinkMethod "setProperty" o = GObject.Object.ObjectSetPropertyMethodInfo
    ResolveVideoSinkMethod "setQosEnabled" o = GstBase.BaseSink.BaseSinkSetQosEnabledMethodInfo
    ResolveVideoSinkMethod "setRenderDelay" o = GstBase.BaseSink.BaseSinkSetRenderDelayMethodInfo
    ResolveVideoSinkMethod "setStartTime" o = Gst.Element.ElementSetStartTimeMethodInfo
    ResolveVideoSinkMethod "setState" o = Gst.Element.ElementSetStateMethodInfo
    ResolveVideoSinkMethod "setSync" o = GstBase.BaseSink.BaseSinkSetSyncMethodInfo
    ResolveVideoSinkMethod "setThrottleTime" o = GstBase.BaseSink.BaseSinkSetThrottleTimeMethodInfo
    ResolveVideoSinkMethod "setTsOffset" o = GstBase.BaseSink.BaseSinkSetTsOffsetMethodInfo
    ResolveVideoSinkMethod l o = O.MethodResolutionFailed l o

instance (info ~ ResolveVideoSinkMethod t VideoSink, O.MethodInfo info VideoSink p) => OL.IsLabel t (VideoSink -> p) where
#if MIN_VERSION_base(4,10,0)
    fromLabel = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info)
#else
    fromLabel _ = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info)
#endif

#endif

-- VVV Prop "show-preroll-frame"
   -- Type: TBasicType TBoolean
   -- Flags: [PropertyReadable,PropertyWritable,PropertyConstruct]
   -- Nullable: (Nothing,Nothing)

{- |
Get the value of the “@show-preroll-frame@” property.
When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to

@
'Data.GI.Base.Attributes.get' videoSink #showPrerollFrame
@
-}
getVideoSinkShowPrerollFrame :: (MonadIO m, IsVideoSink o) => o -> m Bool
getVideoSinkShowPrerollFrame obj = liftIO $ B.Properties.getObjectPropertyBool obj "show-preroll-frame"

{- |
Set the value of the “@show-preroll-frame@” property.
When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to

@
'Data.GI.Base.Attributes.set' videoSink [ #showPrerollFrame 'Data.GI.Base.Attributes.:=' value ]
@
-}
setVideoSinkShowPrerollFrame :: (MonadIO m, IsVideoSink o) => o -> Bool -> m ()
setVideoSinkShowPrerollFrame obj val = liftIO $ B.Properties.setObjectPropertyBool obj "show-preroll-frame" val

{- |
Construct a `GValueConstruct` with valid value for the “@show-preroll-frame@” property. This is rarely needed directly, but it is used by `Data.GI.Base.Constructible.new`.
-}
constructVideoSinkShowPrerollFrame :: (IsVideoSink o) => Bool -> IO (GValueConstruct o)
constructVideoSinkShowPrerollFrame val = B.Properties.constructObjectPropertyBool "show-preroll-frame" val

#if ENABLE_OVERLOADING
data VideoSinkShowPrerollFramePropertyInfo
instance AttrInfo VideoSinkShowPrerollFramePropertyInfo where
    type AttrAllowedOps VideoSinkShowPrerollFramePropertyInfo = '[ 'AttrSet, 'AttrConstruct, 'AttrGet]
    type AttrSetTypeConstraint VideoSinkShowPrerollFramePropertyInfo = (~) Bool
    type AttrBaseTypeConstraint VideoSinkShowPrerollFramePropertyInfo = IsVideoSink
    type AttrGetType VideoSinkShowPrerollFramePropertyInfo = Bool
    type AttrLabel VideoSinkShowPrerollFramePropertyInfo = "show-preroll-frame"
    type AttrOrigin VideoSinkShowPrerollFramePropertyInfo = VideoSink
    attrGet _ = getVideoSinkShowPrerollFrame
    attrSet _ = setVideoSinkShowPrerollFrame
    attrConstruct _ = constructVideoSinkShowPrerollFrame
    attrClear _ = undefined
#endif

#if ENABLE_OVERLOADING
instance O.HasAttributeList VideoSink
type instance O.AttributeList VideoSink = VideoSinkAttributeList
type VideoSinkAttributeList = ('[ '("async", GstBase.BaseSink.BaseSinkAsyncPropertyInfo), '("blocksize", GstBase.BaseSink.BaseSinkBlocksizePropertyInfo), '("enableLastSample", GstBase.BaseSink.BaseSinkEnableLastSamplePropertyInfo), '("lastSample", GstBase.BaseSink.BaseSinkLastSamplePropertyInfo), '("maxBitrate", GstBase.BaseSink.BaseSinkMaxBitratePropertyInfo), '("maxLateness", GstBase.BaseSink.BaseSinkMaxLatenessPropertyInfo), '("name", Gst.Object.ObjectNamePropertyInfo), '("parent", Gst.Object.ObjectParentPropertyInfo), '("processingDeadline", GstBase.BaseSink.BaseSinkProcessingDeadlinePropertyInfo), '("qos", GstBase.BaseSink.BaseSinkQosPropertyInfo), '("renderDelay", GstBase.BaseSink.BaseSinkRenderDelayPropertyInfo), '("showPrerollFrame", VideoSinkShowPrerollFramePropertyInfo), '("sync", GstBase.BaseSink.BaseSinkSyncPropertyInfo), '("throttleTime", GstBase.BaseSink.BaseSinkThrottleTimePropertyInfo), '("tsOffset", GstBase.BaseSink.BaseSinkTsOffsetPropertyInfo)] :: [(Symbol, *)])
#endif

#if ENABLE_OVERLOADING
videoSinkShowPrerollFrame :: AttrLabelProxy "showPrerollFrame"
videoSinkShowPrerollFrame = AttrLabelProxy

#endif

#if ENABLE_OVERLOADING
type instance O.SignalList VideoSink = VideoSinkSignalList
type VideoSinkSignalList = ('[ '("deepNotify", Gst.Object.ObjectDeepNotifySignalInfo), '("noMorePads", Gst.Element.ElementNoMorePadsSignalInfo), '("notify", GObject.Object.ObjectNotifySignalInfo), '("padAdded", Gst.Element.ElementPadAddedSignalInfo), '("padRemoved", Gst.Element.ElementPadRemovedSignalInfo)] :: [(Symbol, *)])

#endif

-- method VideoSink::center_rect
-- method type : MemberFunction
-- Args : [Arg {argCName = "src", argType = TInterface (Name {namespace = "GstVideo", name = "VideoRectangle"}), direction = DirectionIn, mayBeNull = False, argDoc = Documentation {rawDocText = Just "the #GstVideoRectangle describing the source area", sinceVersion = Nothing}, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing},Arg {argCName = "dst", argType = TInterface (Name {namespace = "GstVideo", name = "VideoRectangle"}), direction = DirectionIn, mayBeNull = False, argDoc = Documentation {rawDocText = Just "the #GstVideoRectangle describing the destination area", sinceVersion = Nothing}, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing},Arg {argCName = "result", argType = TInterface (Name {namespace = "GstVideo", name = "VideoRectangle"}), direction = DirectionIn, mayBeNull = False, argDoc = Documentation {rawDocText = Just "a pointer to a #GstVideoRectangle which will receive the result area", sinceVersion = Nothing}, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing},Arg {argCName = "scaling", argType = TBasicType TBoolean, direction = DirectionIn, mayBeNull = False, argDoc = Documentation {rawDocText = Just "a #gboolean indicating if scaling should be applied or not", sinceVersion = Nothing}, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing}]
-- Lengths : []
-- returnType : Nothing
-- throws : False
-- Skip return : False

foreign import ccall "gst_video_sink_center_rect" gst_video_sink_center_rect :: 
    Ptr GstVideo.VideoRectangle.VideoRectangle -> -- src : TInterface (Name {namespace = "GstVideo", name = "VideoRectangle"})
    Ptr GstVideo.VideoRectangle.VideoRectangle -> -- dst : TInterface (Name {namespace = "GstVideo", name = "VideoRectangle"})
    Ptr GstVideo.VideoRectangle.VideoRectangle -> -- result : TInterface (Name {namespace = "GstVideo", name = "VideoRectangle"})
    CInt ->                                 -- scaling : TBasicType TBoolean
    IO ()

{- |
Takes /@src@/ rectangle and position it at the center of /@dst@/ rectangle with or
without /@scaling@/. It handles clipping if the /@src@/ rectangle is bigger than
the /@dst@/ one and /@scaling@/ is set to FALSE.
-}
videoSinkCenterRect ::
    (B.CallStack.HasCallStack, MonadIO m) =>
    GstVideo.VideoRectangle.VideoRectangle
    {- ^ /@src@/: the 'GI.GstVideo.Structs.VideoRectangle.VideoRectangle' describing the source area -}
    -> GstVideo.VideoRectangle.VideoRectangle
    {- ^ /@dst@/: the 'GI.GstVideo.Structs.VideoRectangle.VideoRectangle' describing the destination area -}
    -> GstVideo.VideoRectangle.VideoRectangle
    {- ^ /@result@/: a pointer to a 'GI.GstVideo.Structs.VideoRectangle.VideoRectangle' which will receive the result area -}
    -> Bool
    {- ^ /@scaling@/: a 'Bool' indicating if scaling should be applied or not -}
    -> m ()
videoSinkCenterRect src dst result_ scaling = liftIO $ do
    src' <- unsafeManagedPtrGetPtr src
    dst' <- unsafeManagedPtrGetPtr dst
    result_' <- unsafeManagedPtrGetPtr result_
    let scaling' = (fromIntegral . fromEnum) scaling
    gst_video_sink_center_rect src' dst' result_' scaling'
    touchManagedPtr src
    touchManagedPtr dst
    touchManagedPtr result_
    return ()

#if ENABLE_OVERLOADING
#endif