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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.BaseSrc (
BaseSrc,
BaseSrcClass,
castToBaseSrc,
gTypeBaseSrc,
baseSrcGetFlags,
baseSrcSetFlags,
baseSrcUnsetFlags,
#if GST_CHECK_VERSION(0,10,12)
baseSrcWaitPlaying,
#endif
baseSrcIsLive,
baseSrcGetPad,
baseSrcBlockSize,
baseSrcNumBuffers,
baseSrcTypefind
) where
import Control.Monad (liftM)
{#import Media.Streaming.GStreamer.Base.Types#}
import Media.Streaming.GStreamer.Base.Constants
import System.Glib.FFI
import System.Glib.Attributes
{#import System.Glib.Properties#}
{# context lib = "gstreamer" prefix = "gst" #}
baseSrcGetFlags :: BaseSrcClass baseSrcT
=> baseSrcT
-> IO [BaseSrcFlags]
baseSrcGetFlags = mkObjectGetFlags
baseSrcSetFlags :: BaseSrcClass baseSrcT
=> baseSrcT
-> [BaseSrcFlags]
-> IO ()
baseSrcSetFlags = mkObjectSetFlags
baseSrcUnsetFlags :: BaseSrcClass baseSrcT
=> baseSrcT
-> [BaseSrcFlags]
-> IO ()
baseSrcUnsetFlags = mkObjectUnsetFlags
#if GST_CHECK_VERSION(0,10,12)
baseSrcWaitPlaying :: BaseSrcClass baseSrcT
=> baseSrcT
-> IO FlowReturn
baseSrcWaitPlaying baseSrc =
liftM cToEnum $
{# call base_src_wait_playing #} (toBaseSrc baseSrc)
#endif
baseSrcIsLive :: BaseSrcClass baseSrcT
=> baseSrcT
-> IO Bool
baseSrcIsLive baseSrc =
liftM toBool $ {# call base_src_is_live #} (toBaseSrc baseSrc)
baseSrcGetPad :: BaseSrcClass baseSrcT
=> baseSrcT
-> IO Pad
baseSrcGetPad baseSrc =
withObject (toBaseSrc baseSrc) cBaseSrcGetPad >>= peekObject
foreign import ccall unsafe "_hs_gst_base_src_get_pad"
cBaseSrcGetPad :: Ptr BaseSrc
-> IO (Ptr Pad)
-- FIXME: blocksize is actually a gulong...
baseSrcBlockSize :: BaseSrcClass baseSrcT
=> Attr baseSrcT Word64
baseSrcBlockSize = newAttr
(objectGetPropertyUInt64 "blocksize")
(objectSetPropertyUInt64 "blocksize")
baseSrcNumBuffers :: BaseSrcClass baseSrcT
=> Attr baseSrcT Int
baseSrcNumBuffers =
newAttrFromIntProperty "num-buffers"
baseSrcTypefind :: BaseSrcClass baseSrcT
=> Attr baseSrcT Bool
baseSrcTypefind =
newAttrFromBoolProperty "typefind"
|
