diff -ur vdr-1.3.11_orig/dvbosd.c vdr-1.3.11/dvbosd.c
--- vdr-1.3.11_orig/dvbosd.c	Tue Jul 20 17:51:59 2004
+++ vdr-1.3.11/dvbosd.c	Tue Jul 20 17:52:30 2004
@@ -39,6 +39,10 @@
   shown = false;
   if (osdDev < 0)
      esyslog("ERROR: illegal OSD device handle (%d)!", osdDev);
+  for (int i = 1 ;i <= MAXNUMWINDOWS; i++) {
+     Cmd(OSD_SetWindow, 0, i);
+     Cmd(OSD_Clear);
+     }
 }
 
 cDvbOsd::~cDvbOsd()
diff -ur vdr-1.3.11_orig/dvbspu.c vdr-1.3.11/dvbspu.c
--- vdr-1.3.11_orig/dvbspu.c	Tue Jul 20 17:51:59 2004
+++ vdr-1.3.11/dvbspu.c	Tue Jul 20 17:54:39 2004
@@ -227,6 +227,7 @@
     spu = NULL;
     osd = NULL;
     spubmp = NULL;
+    allowedShow = false;
 }
 
 cDvbSpuDecoder::~cDvbSpuDecoder()
@@ -236,7 +237,7 @@
     delete osd;
 }
 
-void cDvbSpuDecoder::processSPU(uint32_t pts, uint8_t * buf)
+void cDvbSpuDecoder::processSPU(uint32_t pts, uint8_t * buf, bool AllowedShow)
 {
     setTime(pts);
 
@@ -252,6 +253,7 @@
     prev_DCSQ_offset = 0;
 
     clean = true;
+    allowedShow = AllowedShow;
 }
 
 void cDvbSpuDecoder::setScaleMode(cSpuDecoder::eScaleMode ScaleMode)
@@ -503,7 +505,7 @@
         } else if (!clean)
             state = spSHOW;
 
-        if (state == spSHOW || state == spMENU)
+        if ((state == spSHOW && allowedShow) || state == spMENU)
             Draw();
 
         if (state == spHIDE)
diff -ur vdr-1.3.11_orig/dvbspu.h vdr-1.3.11/dvbspu.h
--- vdr-1.3.11_orig/dvbspu.h	Tue Jul 20 17:51:59 2004
+++ vdr-1.3.11/dvbspu.h	Tue Jul 20 17:54:50 2004
@@ -120,6 +120,7 @@
     uint16_t prev_DCSQ_offset;
 
     cDvbSpuBitmap *spubmp;
+    bool allowedShow;
   private:
     int cmdOffs(void) {
         return ((spu[2] << 8) | spu[3]);
@@ -131,7 +132,6 @@
     int ScaleYcoord(int value);
     int ScaleYres(int value);
     void DrawBmp(sDvbSpuRect & size, cBitmap * bmp);
-
   public:
     cDvbSpuDecoder();
     ~cDvbSpuDecoder();
@@ -147,7 +147,7 @@
     void Hide(void);
     void Draw(void);
     bool IsVisible(void) { return osd != NULL; }
-    void processSPU(uint32_t pts, uint8_t * buf);
+    void processSPU(uint32_t pts, uint8_t * buf, bool AllowedShow);
 };
 
 // --- cDvbSpuPalette -------------------------------------------
diff -ur vdr-1.3.11_orig/spu.h vdr-1.3.11/spu.h
--- vdr-1.3.11_orig/spu.h	Tue Jul 20 17:51:59 2004
+++ vdr-1.3.11/spu.h	Tue Jul 20 17:54:58 2004
@@ -35,7 +35,7 @@
     virtual void Hide(void) = 0;
     virtual void Draw(void) = 0;
     virtual bool IsVisible(void) = 0;
-    virtual void processSPU(uint32_t pts, uint8_t * buf) = 0;
+    virtual void processSPU(uint32_t pts, uint8_t * buf, bool AllowedShow) = 0;
 };
 
 #endif                          // __SPU_VDR_H