-- GENERATED by C->Haskell Compiler, version 0.13.4 (gtk2hs branch) "Bin IO", 13 Nov 2004 (Haskell)
-- Edit the ORIGNAL .chs file instead!


{-# LINE 1 "./Media/Streaming/GStreamer/Core/Segment.chs" #-}
--  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.Segment (
  
  Segment(..),
  
  segmentClip,
  segmentSetDuration,
  segmentSetLastStop,
  segmentSetNewsegment,
  segmentSetSeek,
  segmentToRunningTime,
  segmentToStreamTime
  
  ) where


{-# LINE 43 "./Media/Streaming/GStreamer/Core/Segment.chs" #-}

import Control.Monad (liftM)
import System.Glib.FFI
import System.Glib.Flags
import Media.Streaming.GStreamer.Core.Types
{-# LINE 48 "./Media/Streaming/GStreamer/Core/Segment.chs" #-}

segmentClip :: Segment
            -> Format
            -> Int64
            -> Int64
            -> (Segment, Bool, Int64, Int64)
segmentClip segment format start stop =
    unsafePerformIO $ alloca $ \clipStartPtr ->
        alloca $ \clipStopPtr ->
            with segment $ \segmentPtr ->
                do result <- liftM toBool $
                                 gst_segment_clip (castPtr segmentPtr)
                                                         (fromIntegral $ fromFormat format)
                                                         (fromIntegral start)
                                                         (fromIntegral stop)
                                                         clipStartPtr
                                                         clipStopPtr
                   segment' <- peek segmentPtr
                   clipStart <- liftM fromIntegral $ peek clipStartPtr
                   clipStop <- liftM fromIntegral $ peek clipStopPtr
                   return (segment', result, clipStart, clipStop)

segmentSetDuration :: Segment
                   -> Format
                   -> Int64
                   -> Segment
segmentSetDuration segment format duration =
    unsafePerformIO $ with segment $ \segmentPtr ->
        do gst_segment_set_duration (castPtr segmentPtr)
                                           (fromIntegral $ fromFormat format)
                                           (fromIntegral duration)
           peek segmentPtr

segmentSetLastStop :: Segment
                   -> Format
                   -> Int64
                   -> Segment
segmentSetLastStop segment format position =
    unsafePerformIO $ with segment $ \segmentPtr ->
        do gst_segment_set_last_stop (castPtr segmentPtr)
                                            (fromIntegral $ fromFormat format)
                                            (fromIntegral position)
           peek segmentPtr

segmentSetNewsegment :: Segment
                     -> Bool
                     -> Double
                     -> Format
                     -> Int64
                     -> Int64
                     -> Int64
                     -> Segment
segmentSetNewsegment segment update rate format start stop time =
    unsafePerformIO $ with segment $ \segmentPtr ->
        do gst_segment_set_newsegment (castPtr segmentPtr)
                                             (fromBool update)
                                             (realToFrac rate)
                                             (fromIntegral $ fromFormat format)
                                             (fromIntegral start)
                                             (fromIntegral stop)
                                             (fromIntegral time)
           peek segmentPtr

segmentSetSeek :: Segment
               -> Double
               -> Format
               -> [SeekFlags]
               -> SeekType
               -> Int64
               -> SeekType
               -> Int64
               -> (Segment, Bool)
segmentSetSeek segment rate format flags startType start stopType stop =
    unsafePerformIO $ with segment $ \segmentPtr ->
        alloca $ \updatePtr ->
            do gst_segment_set_seek (castPtr segmentPtr)
                                           (realToFrac rate)
                                           (fromIntegral $ fromFormat format)
                                           (fromIntegral $ fromFlags flags)
                                           (cFromEnum startType)
                                           (fromIntegral start)
                                           (cFromEnum stopType)
                                           (fromIntegral stop)
                                           updatePtr
               update <- liftM toBool $ peek updatePtr
               segment' <- peek segmentPtr
               return (segment', update)

segmentToRunningTime :: Segment
                     -> Format
                     -> Int64
                     -> Int64
segmentToRunningTime segment format position =
    fromIntegral $ unsafePerformIO $ with segment $ \segmentPtr ->
        gst_segment_to_running_time (castPtr segmentPtr)
                                           (fromIntegral $ fromFormat format)
                                           (fromIntegral position)

segmentToStreamTime :: Segment
                    -> Format
                    -> Int64
                    -> Int64
segmentToStreamTime segment format position =
    fromIntegral $ unsafePerformIO $ with segment $ \segmentPtr ->
        gst_segment_to_stream_time (castPtr segmentPtr)
                                          (fromIntegral $ fromFormat format)
                                          (fromIntegral position)

foreign import ccall safe "gst_segment_clip"
  gst_segment_clip :: ((Ptr ()) -> (CInt -> (CLLong -> (CLLong -> ((Ptr CLLong) -> ((Ptr CLLong) -> (IO CInt)))))))

foreign import ccall safe "gst_segment_set_duration"
  gst_segment_set_duration :: ((Ptr ()) -> (CInt -> (CLLong -> (IO ()))))

foreign import ccall safe "gst_segment_set_last_stop"
  gst_segment_set_last_stop :: ((Ptr ()) -> (CInt -> (CLLong -> (IO ()))))

foreign import ccall safe "gst_segment_set_newsegment"
  gst_segment_set_newsegment :: ((Ptr ()) -> (CInt -> (CDouble -> (CInt -> (CLLong -> (CLLong -> (CLLong -> (IO ()))))))))

foreign import ccall safe "gst_segment_set_seek"
  gst_segment_set_seek :: ((Ptr ()) -> (CDouble -> (CInt -> (CInt -> (CInt -> (CLLong -> (CInt -> (CLLong -> ((Ptr CInt) -> (IO ()))))))))))

foreign import ccall safe "gst_segment_to_running_time"
  gst_segment_to_running_time :: ((Ptr ()) -> (CInt -> (CLLong -> (IO CLLong))))

foreign import ccall safe "gst_segment_to_stream_time"
  gst_segment_to_stream_time :: ((Ptr ()) -> (CInt -> (CLLong -> (IO CLLong))))