[vdr] Re: small problems with latest DVD-nav-patch

[Andreas Schultz <aschultz@cs.uni-magdeburg.de>]

boesch@agrocom.com wrote:
> 
> Hello list,
> there are a few problems left with the latest nav-patch. When I try to play the
> DVD "Der Exorzist - Die neue Fassung" replay stops after the Warner logo and vdr
> exits. If I press "3" early enough I can access the menu but replay stops after
> selecting an item in a submenu like "Languages" and vdr exits. So it isn't
> possible to play this DVD at all because I can't use the chapter menu either.
> There are no errors reported in the logs. I will verify if this behaviour can be
> reproduced with other Warner DVDs. By the way, with older versions of DVD-nav
> "Exorzist" ran fine.

let me knwo if this patch helps:

===== spu.c 1.5 vs edited =====
--- 1.5/spu.c   Sat Mar  2 17:58:42 2002
+++ edited/spu.c        Sun Mar  3 22:59:01 2002
@@ -527,8 +527,11 @@
       cBitmap *bitmap = new cBitmap(hl_width, hl_height, 2, false);
       int x_offs = highlight.x_start - spu->x;
       int y_offs = highlight.y_start - spu->y;
-     for (int yp = 0; yp < hl_height; yp++) {
-         for (int xp = 0; xp < hl_width; xp++) {
+     int yp = (y_offs >= 0) ? 0 : -y_offs;
+
+     for (; yp < hl_height; yp++) {
+         int xp = (x_offs >= 0) ? 0 : -x_offs;
+         for (; xp < hl_width; xp++) {
              int indx = spu->getIndex(x_offs + xp, y_offs + yp);
              uint8_t trans = (highlight.contrast[indx] == 0x0f ? 0xff :
                               highlight.contrast[indx] << 4);


> Another point is that AC3-over-DVB-S with DVDs is still buggy. With 3.2-sound
> everything runs fine for a couple of minutes but then suddenly somehow the
> non-PCM-bit gets lost and I nearly get a heart attack because of the noise
> coming from the speakers. Thank goodness my speakers weren't damaged. I had this
> problems with several DVDs but always used subtitles when it happened. I will
> verify if this happens without subtitles too.
> When I play DVDs with other formats than 3.2 (e.g. 2.1) the picture is still
> stuttering a little bit. It is not as bad as before the latest patch but still
> noticable.
> The AC3-over-DVB-S problems aren't too bad for me because I still use ALSA but I
> look forward to the day I can sell my fm801 soundcard at ebay :-)

I'll try to fix the video jitter problem (the PTS generation is 
apparently still a bit off), but i'm not sure wether i can help with the 
noise burst or not, lets see and hope ....


Andreas