Delay in displaying video window

[akaChella]

Hi all, 

I have a created a pipeline that plays the video file locally and streams
the audio.

I have created a XWindow to play the video (used
gst_x_overlay_set_window_handle() API to set the xwindow window id.
xvimagesink is my sink).

Everything works fine. There is no Lip Sync issue. Nothing...!!!

But, the problem is, for the first time when i issue the play command, i am
able to hear the audio as soon as i issue the play command, but the video
window is displayed approximately after 3 seconds. But once the video is
displayed there is no lip sync issue, means there is no data loss.