[Ffmpeg-devel] Re: r5954 broke fft on AMD cpus without sse and without mm3dnow.h

Loren Merritt lorenm
Thu Aug 10 03:08:19 CEST 2006

On Thu, 10 Aug 2006, Herv? W. wrote:

> On 09/08/06, Loren Merritt <lorenm at u.washington.edu> wrote:
>> Does this work?
> I'm sorry to say, I can't test it. I tried crippling ffmpeg into
> thinking my opteron doesn't have sse, but I think I missed something.
> As far as I can tell, it should work. It's a lot better than what I
> was thinking of.
> Off-topic: was imdct_calc put in the FFTContext struct to save a call
> to mm_support() ?

Yes. Not because the speed matters (it's only once on startup), but to 
reduce the amount of code.

--Loren Merritt

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