Working on avifil32, sudden "non enough memory" error

[Julius Schwartzenberg]

Hi,

I'm working on fixing some things in avifil32. Several problems should 
be gone when using the attached four patches and most AVI files play 
back properly.

With one file however (GOODTIME.AVI from the win95 cd) I get this error 
after about a second:
err:heap:HEAP_ValidateInUseArena Heap 0x110000: in-use arena 0x184420 
next block has PREV_FREE flag
non enough memory

I have no idea where this comes from and why it happens. (It appears to 
be unrelated to the memcpy call in avifile.c around line 1114.) With 
+heap I also get this before the error:
HIGHPERF/GOODTIME.AVI: heap.c:403: HEAP_GetPtr: Controletest '0' faalt. 
(the assert fails)

The whole output is here:
http://haar.student.utwente.nl/~julius/avifile-heaperr.log.gz

What could I try to figure out the cause of this problem? I can provide 
both the file and my test program if necessary. Note that on MS Windows 
XP it all works without problems.

Thanks in advance,
Julius
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