mplayer-1.0rc1/mplayer.c:
+#ifdef HAVE_MAEMO
+#include <libosso.h>
+
+extern int vo_null_active;
+
+// display blanking prevention for Nokia 770/N800
+void *maemo_screensaver_heartbeat()
+{
+    static unsigned int time_last;
+    static osso_context_t *ossocontext = NULL;
+    
+    if (vo_null_active) return;
+    
+    unsigned int time = GetTimerMS();
+    
+    if (!ossocontext) {
+        ossocontext = osso_initialize("mplayer-cli", VERSION, 0, NULL);
+        time_last = time;
+        osso_display_state_on(ossocontext);
+        osso_display_blanking_pause(ossocontext);
+    }
+    
+    if ((time - time_last) > 55000)
+    {
+        time_last = time;
+        osso_display_state_on(ossocontext);
+        osso_display_blanking_pause(ossocontext);
+    } else if ((time - time_last) > 50000) {
+        time_last = time;
+        osso_display_blanking_pause(ossocontext);
+    }
+}
+#endif
+
+#ifdef HAVE_MAEMO
+if (sh_video) {
+  current_module="stop_maemo_screensaver";
+  maemo_screensaver_heartbeat();
+  current_module=NULL;
+}
+#endif
+
   // DVD sub:
 if(vo_config_count && vo_spudec) {