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|
{-# LANGUAGE CPP #-}
-- GIMP Toolkit (GTK) Binding for Haskell: binding to gstreamer -*-haskell-*-
--
-- Author : Peter Gavin
-- Created: 1-Apr-2007
--
-- Copyright (c) 2007 Peter Gavin
--
-- This library is free software: you can redistribute it and/or
-- modify it under the terms of the GNU Lesser General Public License
-- as published by the Free Software Foundation, either version 3 of
-- the License, or (at your option) any later version.
--
-- This library is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-- Lesser General Public License for more details.
--
-- You should have received a copy of the GNU Lesser General Public
-- License along with this program. If not, see
-- <http://www.gnu.org/licenses/>.
--
-- GStreamer, the C library which this Haskell library depends on, is
-- available under LGPL Version 2. The documentation included with
-- this library is based on the original GStreamer documentation.
--
-- | Maintainer : gtk2hs-devel@lists.sourceforge.net
-- Stability : alpha
-- Portability : portable (depends on GHC)
module Media.Streaming.GStreamer.Base.BaseTransform (
BaseTransform,
BaseTransformClass,
castToBaseTransform,
gTypeBaseTransform,
baseTransformIsPassthrough,
baseTransformSetPassthrough,
baseTransformIsInPlace,
baseTransformSetInPlace,
baseTransformIsQOSEnabled,
baseTransformSetQOSEnabled,
baseTransformGetSinkPad,
baseTransformGetSrcPad,
baseTransformQOS
) where
import Control.Monad (liftM)
{#import Media.Streaming.GStreamer.Base.Types#}
import System.Glib.FFI
import System.Glib.Flags
import System.Glib.Attributes
{#import System.Glib.Properties#}
{# context lib = "gstreamer" prefix = "gst" #}
baseTransformIsPassthrough :: BaseTransformClass baseTransformT
=> baseTransformT
-> IO Bool
baseTransformIsPassthrough baseTransform =
liftM toBool $
{# call base_transform_is_passthrough #} (toBaseTransform baseTransform)
baseTransformSetPassthrough :: BaseTransformClass baseTransformT
=> baseTransformT
-> Bool
-> IO ()
baseTransformSetPassthrough baseTransform passthrough =
{# call base_transform_set_passthrough #} (toBaseTransform baseTransform)
(fromBool passthrough)
baseTransformIsInPlace :: BaseTransformClass baseTransformT
=> baseTransformT
-> IO Bool
baseTransformIsInPlace baseTransform =
liftM toBool $
{# call base_transform_is_in_place #} (toBaseTransform baseTransform)
baseTransformSetInPlace :: BaseTransformClass baseTransformT
=> baseTransformT
-> Bool
-> IO ()
baseTransformSetInPlace baseTransform inPlace =
{# call base_transform_set_in_place #} (toBaseTransform baseTransform)
(fromBool inPlace)
baseTransformIsQOSEnabled :: BaseTransformClass baseTransformT
=> baseTransformT
-> IO Bool
baseTransformIsQOSEnabled baseTransform =
liftM toBool $
{# call base_transform_is_qos_enabled #} (toBaseTransform baseTransform)
baseTransformSetQOSEnabled :: BaseTransformClass baseTransformT
=> baseTransformT
-> Bool
-> IO ()
baseTransformSetQOSEnabled baseTransform enabled =
{# call base_transform_set_qos_enabled #} (toBaseTransform baseTransform)
(fromBool enabled)
baseTransformGetSinkPad :: BaseTransformClass baseTransformT
=> baseTransformT
-> IO Pad
baseTransformGetSinkPad baseTransform =
withObject (toBaseTransform baseTransform) cBaseTransformGetSinkPad >>=
peekObject
foreign import ccall unsafe "_hs_gst_base_transform_get_sink_pad"
cBaseTransformGetSinkPad :: Ptr BaseTransform
-> IO (Ptr Pad)
baseTransformGetSrcPad :: BaseTransformClass baseTransformT
=> baseTransformT
-> IO Pad
baseTransformGetSrcPad baseTransform =
withObject (toBaseTransform baseTransform) cBaseTransformGetSrcPad >>=
peekObject
foreign import ccall unsafe "_hs_gst_base_transform_get_src_pad"
cBaseTransformGetSrcPad :: Ptr BaseTransform
-> IO (Ptr Pad)
baseTransformQOS :: BaseTransformClass baseTransformT
=> Attr baseTransformT Bool
baseTransformQOS = newAttr
baseTransformIsQOSEnabled
baseTransformSetQOSEnabled
|
