gi-gstvideo-0.1.6.13: GI/GstVideo/Structs/VideoFormatInfo.hs

{- |
Copyright  : Will Thompson, Iñaki García Etxebarria and Jonas Platte
License    : LGPL-2.1
Maintainer : Iñaki García Etxebarria (garetxe@gmail.com)

Information for a video format.
-}

module GI.GstVideo.Structs.VideoFormatInfo
    ( 

-- * Exported types
    VideoFormatInfo(..)                     ,
    newZeroVideoFormatInfo                  ,
    noVideoFormatInfo                       ,


 -- * Properties
-- ** Bits
    videoFormatInfoReadBits                 ,


-- ** Description
    videoFormatInfoReadDescription          ,


-- ** Flags
    videoFormatInfoReadFlags                ,


-- ** Format
    videoFormatInfoReadFormat               ,


-- ** NComponents
    videoFormatInfoReadNComponents          ,


-- ** NPlanes
    videoFormatInfoReadNPlanes              ,


-- ** Name
    videoFormatInfoReadName                 ,


-- ** PackLines
    videoFormatInfoReadPackLines            ,


-- ** TileHs
    videoFormatInfoReadTileHs               ,


-- ** TileMode
    videoFormatInfoReadTileMode             ,


-- ** TileWs
    videoFormatInfoReadTileWs               ,


-- ** UnpackFormat
    videoFormatInfoReadUnpackFormat         ,




    ) where

import Prelude ()
import Data.GI.Base.ShortPrelude

import qualified Data.Text as T
import qualified Data.ByteString.Char8 as B
import qualified Data.Map as Map

import GI.GstVideo.Types
import GI.GstVideo.Callbacks

newtype VideoFormatInfo = VideoFormatInfo (ForeignPtr VideoFormatInfo)
-- | Construct a `VideoFormatInfo` struct initialized to zero.
newZeroVideoFormatInfo :: MonadIO m => m VideoFormatInfo
newZeroVideoFormatInfo = liftIO $ callocBytes 232 >>= wrapPtr VideoFormatInfo

noVideoFormatInfo :: Maybe VideoFormatInfo
noVideoFormatInfo = Nothing

videoFormatInfoReadFormat :: VideoFormatInfo -> IO VideoFormat
videoFormatInfoReadFormat s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 0) :: IO CUInt
    let val' = (toEnum . fromIntegral) val
    return val'

videoFormatInfoReadName :: VideoFormatInfo -> IO T.Text
videoFormatInfoReadName s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 8) :: IO CString
    val' <- cstringToText val
    return val'

videoFormatInfoReadDescription :: VideoFormatInfo -> IO T.Text
videoFormatInfoReadDescription s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 16) :: IO CString
    val' <- cstringToText val
    return val'

videoFormatInfoReadFlags :: VideoFormatInfo -> IO [VideoFormatFlags]
videoFormatInfoReadFlags s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 24) :: IO CUInt
    let val' = wordToGFlags val
    return val'

videoFormatInfoReadBits :: VideoFormatInfo -> IO Word32
videoFormatInfoReadBits s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 28) :: IO Word32
    return val

videoFormatInfoReadNComponents :: VideoFormatInfo -> IO Word32
videoFormatInfoReadNComponents s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 32) :: IO Word32
    return val

-- XXX Skipped getter for "VideoFormatInfo:shift" :: Not implemented: "Don't know how to unpack C array of type TCArray False 4 (-1) (TBasicType TUInt32)"

-- XXX Skipped getter for "VideoFormatInfo:depth" :: Not implemented: "Don't know how to unpack C array of type TCArray False 4 (-1) (TBasicType TUInt32)"

-- XXX Skipped getter for "VideoFormatInfo:pixel_stride" :: Not implemented: "Don't know how to unpack C array of type TCArray False 4 (-1) (TBasicType TInt32)"

videoFormatInfoReadNPlanes :: VideoFormatInfo -> IO Word32
videoFormatInfoReadNPlanes s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 84) :: IO Word32
    return val

-- XXX Skipped getter for "VideoFormatInfo:plane" :: Not implemented: "Don't know how to unpack C array of type TCArray False 4 (-1) (TBasicType TUInt32)"

-- XXX Skipped getter for "VideoFormatInfo:poffset" :: Not implemented: "Don't know how to unpack C array of type TCArray False 4 (-1) (TBasicType TUInt32)"

-- XXX Skipped getter for "VideoFormatInfo:w_sub" :: Not implemented: "Don't know how to unpack C array of type TCArray False 4 (-1) (TBasicType TUInt32)"

-- XXX Skipped getter for "VideoFormatInfo:h_sub" :: Not implemented: "Don't know how to unpack C array of type TCArray False 4 (-1) (TBasicType TUInt32)"

videoFormatInfoReadUnpackFormat :: VideoFormatInfo -> IO VideoFormat
videoFormatInfoReadUnpackFormat s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 152) :: IO CUInt
    let val' = (toEnum . fromIntegral) val
    return val'

-- XXX Skipped getter for "VideoFormatInfo:unpack_func" :: Not implemented: "Wrapping foreign callbacks is not supported yet"

videoFormatInfoReadPackLines :: VideoFormatInfo -> IO Int32
videoFormatInfoReadPackLines s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 168) :: IO Int32
    return val

-- XXX Skipped getter for "VideoFormatInfo:pack_func" :: Not implemented: "Wrapping foreign callbacks is not supported yet"

videoFormatInfoReadTileMode :: VideoFormatInfo -> IO VideoTileMode
videoFormatInfoReadTileMode s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 184) :: IO CUInt
    let val' = (toEnum . fromIntegral) val
    return val'

videoFormatInfoReadTileWs :: VideoFormatInfo -> IO Word32
videoFormatInfoReadTileWs s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 188) :: IO Word32
    return val

videoFormatInfoReadTileHs :: VideoFormatInfo -> IO Word32
videoFormatInfoReadTileHs s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 192) :: IO Word32
    return val

-- XXX Skipped getter for "VideoFormatInfo:_gst_reserved" :: Not implemented: "Don't know how to unpack C array of type TCArray False 4 (-1) (TBasicType TVoid)"

type family ResolveVideoFormatInfoMethod (t :: Symbol) (o :: *) :: * where
    ResolveVideoFormatInfoMethod l o = MethodResolutionFailed l o

instance (info ~ ResolveVideoFormatInfoMethod t VideoFormatInfo, MethodInfo info VideoFormatInfo p) => IsLabelProxy t (VideoFormatInfo -> p) where
    fromLabelProxy _ = overloadedMethod (MethodProxy :: MethodProxy info)

#if MIN_VERSION_base(4,9,0)
instance (info ~ ResolveVideoFormatInfoMethod t VideoFormatInfo, MethodInfo info VideoFormatInfo p) => IsLabel t (VideoFormatInfo -> p) where
    fromLabel _ = overloadedMethod (MethodProxy :: MethodProxy info)
#endif