On Fri, Apr 26, 2013 at 01:05:30PM -0400, Justin Ruggles wrote:
> On 04/26/2013 10:48 AM, Diego Biurrun wrote:
> > The function requires increasing the fuzz factor for the ac3/eac3 encode
> > tests and even so makes fate fail. It only provides a slight encoding
> > speedup for legacy CPUs that do not support SS2. Thus its benefit is not
> > worth the trouble it creates and fixing it would be a waste of time.
> > ---
> >  libavcodec/x86/ac3dsp.asm    |   36 ------------------------------------
> >  libavcodec/x86/ac3dsp_init.c |    1 -
> >  tests/fate/ac3.mak           |    2 --
> >  3 files changed, 0 insertions(+), 39 deletions(-)
> [...]
> > diff --git a/tests/fate/ac3.mak b/tests/fate/ac3.mak
> > index 246dd7c..23974ba 100644
> > --- a/tests/fate/ac3.mak
> > +++ b/tests/fate/ac3.mak
> > @@ -52,14 +52,12 @@ fate-ac3-encode: CMD = enc_dec_pcm ac3 wav s16le $(REF) 
> > -c:a ac3 -b:a 128k
> >  fate-ac3-encode: CMP_SHIFT = -1024
> >  fate-ac3-encode: CMP_TARGET = 404.53
> >  fate-ac3-encode: SIZE_TOLERANCE = 488
> > -fate-ac3-encode: FUZZ = 3
> >  
> >  FATE_EAC3-$(call ENCDEC, EAC3, EAC3) += fate-eac3-encode
> >  fate-eac3-encode: CMD = enc_dec_pcm eac3 wav s16le $(REF) -c:a eac3 -b:a 
> > 128k
> >  fate-eac3-encode: CMP_SHIFT = -1024
> >  fate-eac3-encode: CMP_TARGET = 516.94
> >  fate-eac3-encode: SIZE_TOLERANCE = 488
> > -fate-eac3-encode: FUZZ = 3
> >  
> >  fate-ac3-encode fate-eac3-encode: CMP = stddev
> >  fate-ac3-encode fate-eac3-encode: REF = 
> > $(SAMPLES)/audio-reference/luckynight_2ch_44kHz_s16.wav
> 
> Are you sure these pass with FUZZ = 1 on all platforms? e.g. x86-32 with
> no asm.

It passes on my K6-3 with no asm and I added the fuzz for that
machine back in 4cc8e153715ed9757974e4976c5766d2e731bee0, so I
expect no problems.

Diego
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