problem changing playback rate in playbin2

[sundararaj reel]

Hi,

I am using the following to set playback rate.

         gst_element_seek (playbin2Element,
                          playback_rate /*playback rate*/,
                          GST_FORMAT_TIME,
                          (GST_SEEK_FLAG_FLUSH /* flush pipeline */
                          |GST_SEEK_FLAG_SKIP),  /* skip some frames */
                          GST_SEEK_TYPE_NONE,  /* no change in position */
                          GST_CLOCK_TIME_NONE,
                          GST_SEEK_TYPE_NONE,
                          GST_CLOCK_TIME_NONE);

Setting playback rate works fine for all video sources except DVDs. In
case of DVDs the playback starts from the beginning and playback rate
is unchanged (1x).
What I am doing wrong ?

-- 
Sundararaj