diff -u luciole-0.7.3/debian/changelog luciole-0.7.3/debian/changelog
--- luciole-0.7.3/debian/changelog
+++ luciole-0.7.3/debian/changelog
@@ -1,3 +1,11 @@
+luciole (0.7.3-0ubuntu1.1) karmic; urgency=low
+
+  * lucioLib/luciole_gstreamer.py, lucioLib/luciole_gstreamer_play.py: added
+    correct handling of device acquisition lock in gtk (LP: #481732). Patch from
+    Nicolas Bertrand
+
+ -- Fabrice Coutadeur <fabricesp@ubuntu.com>  Fri, 20 Nov 2009 07:40:37 +0100
+
 luciole (0.7.3-0ubuntu1) karmic; urgency=low
 
   * Integration to ubuntu repository (LP: #374249)
only in patch2:
unchanged:
--- luciole-0.7.3.orig/lucioLib/luciole_gstreamer.py
+++ luciole-0.7.3/lucioLib/luciole_gstreamer.py
@@ -601,8 +601,14 @@
         if message.structure is None:
             return
         if message.structure.get_name() == 'prepare-xwindow-id':
+            # Assign the viewport
+		    # all this is needed to sync with the X server before giving the
+		    # x id to the sink
+		    gtk.gdk.threads_enter()
+		    gtk.gdk.display_get_default().sync()
             self.videowidget.set_sink(message.src)
             message.src.set_property('force-aspect-ratio', True)
+		    gtk.gdk.threads_leave()
           
     def on_message(self, bus, message):
         """ Gstreamer message callback"""
only in patch2:
unchanged:
--- luciole-0.7.3.orig/lucioLib/luciole_gstreamer_play.py
+++ luciole-0.7.3/lucioLib/luciole_gstreamer_play.py
@@ -24,7 +24,7 @@
 pygst.require('0.10')
 import gst
 import gst.interfaces
-
+import gtk
 
 class luciole_gstreamer_play(object) :
   """ implementation of image per image video playing with gstreamer .
@@ -140,8 +140,15 @@
     if message.structure is None:
       return
     if message.structure.get_name() == 'prepare-xwindow-id':
-      self._videowidget.set_sink(message.src)
-      message.src.set_property('force-aspect-ratio', True)
+		# Assign the viewport
+		# all this is needed to sync with the X server before giving the
+		# x id to the sink
+		gtk.gdk.threads_enter()
+		gtk.gdk.display_get_default().sync()
+		self._videowidget.set_sink(message.src)
+		message.src.set_property('force-aspect-ratio', True)
+		gtk.gdk.threads_leave()
+
             
   def on_message(self, bus, message):
     """ call back on message sent by gstreamer """