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Author Topic: Compiling Brutefir for parametric equaliser  (Read 2076 times)
tuc
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« on: September 27, 2010, 07:40:38 AM »

Hi there,

Is it possible to compile and run the brutefir  (www.ludd.luth.se/~torger/brutefir.html) for the SheevaPlug?
I guess the critical library is fftw (www.fftw.org)?

Brutefir is easy to install on a Desktop machine running Ubuntu (apt-get install brutefir), but I am not sure whether the ARM architecture is supported.

If it *is* possible I could use it for running a parametric equaliser for Squeezebox Server.

Cheers.
-thomas
« Last Edit: September 27, 2010, 08:10:44 AM by tuc » Logged

obaltus
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« Reply #1 on: September 27, 2010, 09:38:15 AM »

Unfortunaltey Sheevaplug CPU doesn't include a FPU. FFT computing will be overkill on this platform.
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tuc
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« Reply #2 on: September 27, 2010, 12:50:12 PM »

Thanks. That is exactly what  I thought.
I got a reply from a vendor that both the fftw and brutefir are available for the pre-installed Ubuntu version 9.05. I guess they just checked if the packages were in the repository.

So my conclusion is that perhaps the packages will compile, but brutefir will run hopelessly slow because there is no FPU. Am I right?

Best
-thomas

PS: Running FPU operations on a CPU without the built-in instructions must be hopeless. Moreover, who wrote the libraries? That must have been a very odd job and of very little general use.

 
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