[FFmpeg-cvslog] r24134 - in trunk: Makefile tests/fate-run.sh

[Michael Niedermayer]

On Fri, Jul 09, 2010 at 02:15:49PM +0100, M?ns Rullg?rd wrote:
> Michael Niedermayer <michaelni at gmx.at> writes:
> 
> > On Fri, Jul 09, 2010 at 02:33:18AM +0100, M?ns Rullg?rd wrote:
> >> Michael Niedermayer <michaelni at gmx.at> writes:
> >> 
> >> > On Fri, Jul 09, 2010 at 02:40:51AM +0200, mru wrote:
> >> >> Author: mru
> >> >> Date: Fri Jul  9 02:40:51 2010
> >> >> New Revision: 24134
> >> >> 
> >> >> Log:
> >> >> fate: add oneoff comparison method
> >> >> 
> >> >> This adds the 'oneoff' comparison method.  It compares two s16le pcm
> >> >> files with a max difference <= the fuzz factor treated as success.
> >> >> Default fuzz is 1.  On failure, the full tiny_psnr output is printed.
> >> >
> >> > it also might make sense to bound the sum of squared differences, and not
> >> > just the maximum. A file having 1% of samples differing +-1 and one that is
> >> > in 50% of samples +-1 off are not the same thing
> >> 
> >> With different floating-point rounding modes, it is perfectly normal
> >> to have all negative samples off by one (round towards zero vs -inf).
> >> That is the type of test this is intended for.
> >
> > actually, floating point decoders should output floating point samples
> > once all the issues with that have been solved.
> 
> The output is still likely to differ a little.  When the day comes for
> this, we'll have to update tiny_psnr to handle floats too...

yes


> 
> Speaking of tiny_psnr, would a patch to make it detect wav headers be
> acceptable?

i guess, that would make sense, yes

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I know you won't believe me, but the highest form of Human Excellence is
to question oneself and others. -- Socrates
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