Index: mythtv-trunk/libs/libmythtv/tv_play.cpp
===================================================================
--- mythtv-trunk.orig/libs/libmythtv/tv_play.cpp	2010-07-22 21:38:52.540573612 +0100
+++ mythtv-trunk/libs/libmythtv/tv_play.cpp	2010-07-22 21:40:03.117068053 +0100
@@ -1976,6 +1976,8 @@
 
         VERBOSE(VB_IMPORTANT, "We have a RingBuffer");
 
+        GetMythUI()->DisableScreensaver();
+
         if (GetMythMainWindow() && !weDisabledGUI)
         {
             weDisabledGUI = true;