Software Support > DOS/WinCab

wincab Version 3.1.4 Unstable?

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wwwombat:
Okay.... but in strange way I'm glad you're now seeing the error as well.

As an aside (or perhaps a correlation) I too am running an nVidia card on the arcade machine. It's an 8600GT and before anyone asks, its drivers are up-to-date (although that said, the OpenGL driver (nvoglnt.dll) has caused me some problems on just a couple of reasonably old PC games.

wwwombat:

--- Quote from: Chris on March 09, 2008, 02:30:22 pm ---As far as a corrupt JPG goes, an error could destabilize the system without crashing it completely, causing an unrelated event later to push it over the edge.

--- End quote ---

In an attempt to resolve this problem, and using Chris' possisble suspicion above, I took every bit of album art that I previously passed onto Chris and reprocessed them under ThumbsPlus (effectively saving them over the top of themselves as a jpg ensuring that the correct options were used) and loaded this back over the existing ones.

Initially things were looking good as I was able to scroll forwards and backwards through the list utilising both page flips and alpha page flips for quite a few "laps".

I then turned on the Auto-Flip (initial delay 180 seconds, page flip every 30 seconds thereafter) and put it on Radio Play. After 4 hours it was still going strong but sadly, oh-so-sadly, it eventually fell over at the same offset as described in the previous messages.

I'm not sure where to go from here...

Chris:
That blows a lot of theories out of the water.

I'm just going to have to learn how JPG's work and take apart my JPG library, or look for another one.

If you are willing to try another huge project, I wonder what would happen if you reprocessed that same art as BMP or PCX files?

Unfortunately, I am having additional isses with things falling over in a different way that seem to be specific to my video card and are making it harder to find what is truly the problem.

Chris:
Update on this issue:

I'm trying to add the long-planned feature of being able to switch skins on the fly.  The feature works for a few switches then crashes.  It crashes faster if one of those skins is an album skin.  To me, this implies that it's not a JPG processing problem after all, it's a memory corruption error of some sort; either a memory leak, a memory overrun, or an improper/premature memory release.  I'm picking through the code with a fine toothed comb, adding a lot of logging and sanity checks.  I believe if I find and fix the problem that is keeping skin switching from working properly, it will also fix the problem of the jukebox falling over after a number of page turns.

--Chris

wwwombat:
That's somewhat encouraging news Chris... I haven't had time to try the BMP reprocessing you wanted to see tested (cab has been "finished" and now available for family/friends playing and critiquing  :cheers: ), and I'm hopeful I won't have to if you eventually sniff out the supposed memory leak problem.

I'll continue to monitor this thread with interest  :notworthy:

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