gst_x_overlay_expose ()??

[akaChella]

Hi, 

Whenever we want to use the callback function for "expose-event" this is the
syntax, say...

static gboolean expose_cb(GtkWidget* widget, GdkEventExpose* event,
GstElement* videosink)
{
     gst_x_overlay_expose (GST_X_OVERLAY (videosink));

     return FALSE;
}

But i dont have a widget...!! I have drectly created an x window. So what
should i pass in the place of widget?? When i passed the xwindow id, like
this, 

g_signal_connect(XWindow_id, "expose-event",
G_CALLBACK(expose_event),videosink);

static gboolean expose_cb(Window win, GdkEventExpose* event, GstElement*
videosink)
{
     gst_x_overlay_expose (GST_X_OVERLAY (videosink));

     return FALSE;
}

it was throwing some error :( any idea?? 






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