Package: vdr
Version: 1.6.0-13
Severity: normal
Tags: patch

Hi,

on FF card osd memory are limited and the dvd menu sometime failed to be
displayed with oeOutOfMemory error.

This patch try to use less memory for dvd menu.

Matthieu

PS : this patch has been integrated in vdr 1.7 :
http://thread.gmane.org/gmane.linux.vdr/41532

-- System Information:
Debian Release: squeeze/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing'), (1, 'experimental')
Architecture: i386 (i686)

Kernel: Linux 2.6.31-1-686 (SMP w/1 CPU core)
Locale: LANG=C, LC_CTYPE=C (charmap=ISO-8859-1) (ignored: LC_ALL set to fr_FR)
Shell: /bin/sh linked to /bin/dash

Versions of packages vdr depends on:
ii  adduser                       3.112      add and remove users and groups
ii  debconf [debconf-2.0]         1.5.28     Debian configuration management sy
ii  libc6                         2.10.2-2   GNU C Library: Shared libraries
ii  libcap2                       1:2.17-2   support for getting/setting POSIX.
ii  libfontconfig1                2.6.0-4.2  generic font configuration library
ii  libfreetype6                  2.3.11-1   FreeType 2 font engine, shared lib
ii  libgcc1                       1:4.4.2-7  GCC support library
ii  libjpeg62                     6b-15      The Independent JPEG Group's JPEG 
ii  libstdc++6                    4.4.2-7    The GNU Standard C++ Library v3
ii  psmisc                        22.9-1     utilities that use the proc file s

Versions of packages vdr recommends:
pn  lirc                          <none>     (no description available)
ii  ttf-bitstream-vera            1.10-7     The Bitstream Vera family of free 
ii  ttf-freefont                  20090104-5 Freefont Serif, Sans and Mono True

vdr suggests no packages.

-- debconf information excluded
--- vdr-1.6.0/dvbspu.c	2007-02-03 11:13:18.000000000 +0100
+++ vdr-1.6.0p/dvbspu.c	2009-11-21 21:48:54.000000000 +0100
@@ -335,6 +335,35 @@
     return size;
 }
 
+int cDvbSpuBitmap::getMinBpp(const aDvbSpuPalDescr paldescr)
+{
+    int col = 1;
+    for (int i = 0; i < 4; i++) {
+        if (paldescr[i].trans != 0) {
+                col++;
+        }
+    }
+    return col > 2 ? 2 : 1;
+}
+
+int cDvbSpuDecoder::CalcAreaBpp(cBitmap *fgbmp, cBitmap *bgbmp)
+{
+        int fgbpp = 0;
+        int bgbpp = 0;
+        int ret;
+    if (fgbmp) {
+            fgbpp = spubmp->getMinBpp(hlpDescr);
+    }
+    if (bgbmp) {
+            bgbpp = spubmp->getMinBpp(palDescr);
+    }
+    ret = fgbpp + bgbpp;
+    if (ret > 2)
+            ret = 4;
+    return ret;
+}
+
+
 void cDvbSpuDecoder::Draw(void)
 {
     cMutexLock MutexLock(&mutex);
@@ -342,43 +371,89 @@
         Hide();
         return;
     }
-
+    sDvbSpuRect bgsize;
     cBitmap *fg = NULL;
     cBitmap *bg = NULL;
-    sDvbSpuRect bgsize;
-    sDvbSpuRect hlsize;
-
-    hlsize.x1 = hlpsize.x1;
-    hlsize.y1 = hlpsize.y1;
-    hlsize.x2 = hlpsize.x2;
-    hlsize.y2 = hlpsize.y2;
 
     if (highlight)
-        fg = spubmp->getBitmap(hlpDescr, palette, hlsize);
+        fg = spubmp->getBitmap(hlpDescr, palette, hlpsize);
 
     if (spubmp->getMinSize(palDescr, bgsize))
         bg = spubmp->getBitmap(palDescr, palette, bgsize);
 
-    sDvbSpuRect areaSize = CalcAreaSize(hlsize, fg, bgsize, bg);
+    if (osd == NULL) {
+            restricted_osd = false;
+            osd = cOsdProvider::NewOsd(0, 0);
+
+            tArea Area = { size.x1, size.y1, size.x2, size.y2, 4};
+            if (osd->CanHandleAreas(&Area, 1) != oeOk)
+                    restricted_osd = true;
+            else
+                osd->SetAreas(&Area, 1);
+    }
+    if (restricted_osd) {
+            sDvbSpuRect hlsize;
+            bool setarea = false;
+            /* reduce fg area (only valid if there is no bg below) */
+            if (fg) {
+                    spubmp->getMinSize(hlpDescr,hlsize);
+                    /* clip to the highligh area */
+                    setMax(hlsize.x1, hlpsize.x1);
+                    setMax(hlsize.y1, hlpsize.y1);
+                    setMin(hlsize.x2, hlpsize.x2);
+                    setMin(hlsize.y2, hlpsize.y2);
+                    if (hlsize.x1 > hlsize.x2 || hlsize.y1 > hlsize.y2) {
+                            hlsize.x1 = hlsize.x2 = hlsize.y1 = hlsize.y2 = 0;
+                    }
+            }
+            sDvbSpuRect areaSize = CalcAreaSize((fg && bg) ? hlpsize : hlsize, fg, bgsize, bg);
 
-    if (!fg || !bg || !osd) {
-       Hide();
-       }
+#define DIV(a, b) (a/b)?:1
+            for (int d = 1; !setarea && d <= 2; d++) {
 
-    if (bg || fg) {
-        if (osd == NULL) {
-           osd = cOsdProvider::NewOsd(0, 0);
-           if ((areaSize.width() & 3) != 0)
-              areaSize.x2 += 4 - (areaSize.width() & 3);
-           tArea Area = { areaSize.x1, areaSize.y1, areaSize.x2, areaSize.y2, (fg && bg) ? 4 : 2 };
-           if (osd->SetAreas(&Area, 1) != oeOk)
+                    /* first try old behaviour */
+                    tArea Area = { areaSize.x1, areaSize.y1, areaSize.x2, areaSize.y2, DIV(CalcAreaBpp(fg, bg), d) };
+            
+                    if ((Area.Width() & 7) != 0)
+                            Area.x2 += 8 - (Area.Width() & 7);
+
+                    if (osd->CanHandleAreas(&Area, 1) == oeOk &&
+                        osd->SetAreas(&Area, 1) == oeOk)
+                            setarea = true;
+
+                    /* second try to split area if there is both area */
+                    if (!setarea && fg && bg) {
+                            tArea Area_Both [2] = { 
+                                    {bgsize.x1, bgsize.y1, bgsize.x2, bgsize.y2, DIV(CalcAreaBpp(0, bg), d)},
+                                    {hlpsize.x1, hlpsize.y1, hlpsize.x2, hlpsize.y2, DIV(CalcAreaBpp(fg, 0), d)}
+                            };
+                            if (!Area_Both[0].Intersects(Area_Both[1])) {
+                                    /* there is no intersection. We can reduce hl */
+                                    Area_Both[1].x1 = hlsize.x1;
+                                    Area_Both[1].y1 = hlsize.y1;
+                                    Area_Both[1].x2 = hlsize.x2;
+                                    Area_Both[1].y2 = hlsize.y2;
+
+                                    if ((Area_Both[0].Width() & 7) != 0)
+                                            Area_Both[0].x2 += 8 - (Area_Both[0].Width() & 7);
+                                    if ((Area_Both[1].Width() & 7) != 0)
+                                            Area_Both[1].x2 += 8 - (Area_Both[1].Width() & 7);
+                                    if (osd->CanHandleAreas(Area_Both, 2) == oeOk &&
+                                        osd->SetAreas(Area_Both, 2) == oeOk)
+                                            setarea = true;
+                            }
+                    }
+            }
+            if (!setarea)
               dsyslog("dvbspu: AreaSize (%d, %d) (%d, %d) Bpp %d", areaSize.x1, areaSize.y1, areaSize.x2, areaSize.y2, (fg && bg) ? 4 : 2 );
-           }
+    }
 
+    /* we could draw use DrawPixel on osd */
+    if (bg || fg) {
         if (bg)
            osd->DrawBitmap(bgsize.x1, bgsize.y1, *bg);
         if (fg)
-           osd->DrawBitmap(hlsize.x1, hlsize.y1, *fg);
+           osd->DrawBitmap(hlpsize.x1, hlpsize.y1, *fg);
         delete fg;
         delete bg;
 
@@ -509,6 +584,7 @@
                 }
             }
             if (fodd != 0 && feven != 0) {
+                Hide();
                 delete spubmp;
                 spubmp = new cDvbSpuBitmap(size, spu + fodd, spu + feven,
                                            spu + feven, spu + cmdOffs());
--- vdr-1.6.0/dvbspu.h	2006-04-17 14:47:29.000000000 +0200
+++ vdr-1.6.0p/dvbspu.h	2009-11-21 21:38:07.000000000 +0100
@@ -82,6 +82,7 @@
 
     bool getMinSize(const aDvbSpuPalDescr paldescr,
                     sDvbSpuRect & size) const;
+    int getMinBpp(const aDvbSpuPalDescr paldescr);
     cBitmap *getBitmap(const aDvbSpuPalDescr paldescr,
                        const cDvbSpuPalette & pal,
                        sDvbSpuRect & size) const;
@@ -99,6 +100,7 @@
     uint32_t spupts;
     bool clean;
     bool ready;
+    bool restricted_osd;
 
     enum spFlag { spNONE, spHIDE, spSHOW, spMENU };
     spFlag state;
@@ -131,6 +133,7 @@
     };
 
     sDvbSpuRect CalcAreaSize(sDvbSpuRect fgsize, cBitmap *fgbmp, sDvbSpuRect bgsize, cBitmap *bgbmp);
+    int CalcAreaBpp(cBitmap *fgbmp, cBitmap *bgbmp);
 
   public:
     cDvbSpuDecoder();

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