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|
-- 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.Core.PluginFeature (
PluginFeature,
PluginFeatureClass,
castToPluginFeature,
gTypePluginFeature,
pluginFeatureLoad,
pluginFeatureCheckVersion
) where
import Control.Monad (liftM)
{#import Media.Streaming.GStreamer.Core.Types#}
import System.Glib.FFI
import System.Glib.GObject
{# context lib = "gstreamer" prefix = "gst" #}
pluginFeatureLoad :: PluginFeatureClass pluginFeature
=> pluginFeature
-> IO pluginFeature
pluginFeatureLoad pluginFeature =
liftM (unsafeCastGObject . toGObject) $
{# call plugin_feature_load #} (toPluginFeature pluginFeature) >>=
takeObject
pluginFeatureCheckVersion :: PluginFeatureClass pluginFeature
=> pluginFeature
-> Word
-> Word
-> Word
-> IO Bool
pluginFeatureCheckVersion pluginFeature minMajor minMinor minMicro =
liftM toBool $
{# call plugin_feature_check_version #} (toPluginFeature pluginFeature)
(fromIntegral minMajor)
(fromIntegral minMinor)
(fromIntegral minMicro)
|
