[Flac-dev] ERROR: mismatch in decoded data, verify FAILED!

Josh Coalson xflac at yahoo.com
Thu Jul 5 17:42:16 PDT 2001


> > There have been reports of -9 using huge amounts of memory.  -9 is
> > really
> > theoretical, but people always seem to want to try the max setting.
> >  Anyway,
> > that's not an excuse but figuring out why -9 is using so much
> > memory is lower
> > on my list than other stuff.  -8 should get within 0.01% of -9 and
> > is pretty
> > reliable.
> 
> I am able to reliably reproduce the -9 memory problem with one of my
> WAV files.
> I split it in two repeatedly, doing a binary search to find the
> smallest chunk
> that would trigger the problem, and I got it down to 28224 samples
> (this is a
> 44.1/16bit/stereo file, so about 0.5 seconds).  I have put the file
> up at
> <http://people.debian.org/~mdz/flac-test-case-1.wav>.

OK, I have fixed this bug too and checked it in.  Again
it was in the LPC coeff quantizer in a wierd corner case.

Josh


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