[Speex-dev] Experimental psycho-acoustic model

Jean-Marc Valin Jean-Marc.Valin at USherbrooke.ca
Mon Jan 2 04:51:50 PST 2006

Hi Tom,

None of the new code depends on the stack allocator, but I just fixed an
off-by-one overflow on the heap. Maybe that was the error and your
debugger is just reporting a wrong offset. Could you try what's in the
current svn (you were using svn already, right)?


> I have had a few issues with this sort of stuff- you could adjust NB_ENC_STACK
> or SB_ENC_STACK (which ever you may be fiddling with) and see if the problem
> goes away- could be the allocation for the vorbis psy tables takes up more 
> space than
> the current stack size allows (not sure how allocated?  Could be your 
> settings for
> supporting alloca/etc. are set different than jm, due to support for 
> variable size arrays.
> Haven't had a chance to look at the new(er) stuff yet, but that would be my 
> guess...
> Tom
> At 11:15 PM 12/31/2005, Thorvald Natvig wrote:
> >That's right. Ah, I don't have the code here right now, but it was "heap 
> >overrun of 200 bytes", meaning it wrote 200 bytes beond the allocated block.
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