[vdr] Re: VDR crashed while playing DVD

[Mirko Günther <mi.guenther@ib-helms.de>]

Maybe it can be the 'detection' of the videoformat, because I've try to 
watch StarWars with xine over my VideoLogic-MPEG-decodercard and when 
the Menu shold shown the videoformat change 10 or 15 times pro sec.

Andreas Schultz wrote:

> Sergei Haller wrote:
>
>> On Sun, 24 Mar 2002, valshare (v) wrote:
>>
>> v>
>> v> Hi,
>> v> [... removed some =0D ;-) ...]
>> v> i have the follow problem.
>> v>
>> v> If i want to want to play STAR WARS I - CD1 and the MENUE comes 
>> up. VDR
>> v> crashed with the follow error:
>> v>
>> v> linux kernel: dvb0: ARM crashed!
>>
>> the same here -
>>   with vdr 0.99  + AIO (must have been nav6) + dvb-0.9.4-20020207
>>   with 1.0.0pre4 + AIO 18.03 (dvd nav4) + dvb-0.9.4-20020326
>>   with 1.0.0pre4 + AIO 26.03 (dvd nav5) + dvb-0.9.4-20020326
>>
>> (all drivers with Klaus' still patch, although I don't think, that's the
>> reason)
>>
>> But I was able to watch StarWarsI before -
>>   with vdr-0.99pre3 + AIO (also I think nav6) + dvb-0.9-20011117
>
>
> i restarted the nav number when switching to 1.0.0preX, so this was 
> really an  older verion of the DVD patch. The change that causes the 
> trouble is the improved SPU/Menu handling. In the old version, only 
> the highlighted section (the select menu item) was shown. Newer 
> versions get it right by showing the full background and overlay the 
> select item on this. That also means that it could overflow the OSD 
> buffer if the combination of background image and selected menu item 
> is too big. This is apparently what is happening here and causing the 
> ARM crash.
>
>> I checked this just now:
>> doesn't work with 1.0.0pre4 + AIO 26.03 (dvd nav5) + dvb-0.9-20011117
>> works        with 0.99pre3  + AIO   (I think nav6) + dvb-0.9.4-20020326
>>
>> StarWarsI CD1 - there comes a "WARNING" chapter - and then bang! Arm
>> crashed
>> With FinalFantasy CD2 - nearly the same - mostly in menues.
>> with this DVD I also get the following message in syslog:
>>
>> vdr[2891]: ERROR: too many different colors used in palette
>>
>> is this related to the ARM crash?
>
>
> maybe, although this should not happen at all.
>
>> further I noticed in the above 0.99 config that the "overlaying" grey
>> parts over menues on FF CD2 were mostly positioned in the left top 
>> corner
>> instead of where they belong. This is corrected now, but there are still
>> some problems: the menu is considered to overlay all menu items with a
>> grey bar - only the selected item is not greyed. sometimes it is
>> displayed just other way 'round - the selected one is greyed and the 
>> other
>> not, but this is mostly displayed correctly again, if I move the cursor
>> down and up again.
>
>
> This basicly confirms my idea about to big OSD's. The gray bars are 
> the backgound and no grey bar is the selected which is the highlight, 
> together they are just to big.
>
> I guess the only way is to drop the background part of the menu, if it 
> is to big. This will lead to some incorrect menus, but will also avoid 
> the crashes.
>
> As a workarround and to test it, you can remove lines 547 to 556 from 
> spu.c:
>
>   if (width > 0 && height > 0) {
>
>      //open the background window
>     int win_width = width;
>     if (win_width & 0x03)
>        win_width += 4 - (win_width & 0x03);
>     osd->Create(spu->x_min+spu->x, spu->y_min+spu->y,
>                 win_width, height, 2, false);
>     osd->SetBitmap(spu->x_min+spu->x, spu->y_min+spu->y, *bitmap);
>   }
>
>
> Andreas
>
>
>
>