[Webkit-unassigned] [Bug 113527] Add a FFT implementation using kissfft in FFTFrame

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=113527





--- Comment #2 from Alex KUOCH <akuoch at codeaurora.org>  2013-04-03 07:09:31 PST ---
(In reply to comment #1)

Thx for the feedback, could you detail "runs about half as" . Do you mean slower or faster ? 

Thx

Alex

> (In reply to comment #0)
> > This is the first step to enable WebAudio on Android.
> > Adding an extra FFT implementation using kissfft in FFTFrame.
> > The kissfft patch code could be found under :
> > https://www.codeaurora.org/patches/quic/webtech/1602-kissfft-add-neon-optimized-routines.patch
> > 
> > Expected results:
> > This change should be seamless as used specifically for Android OS
> 
> Thanks for the link and patch.  I ran some tests using your KissFFT implementation on a Galaxy Nexus phone and compared the results with https://code.google.com/p/webrtc/source/browse#svn%2Fdeps%2Fthird_party%2Fopenmax.
> 
> My tests show that KissFFT runs about half as the OpenMAX implementation.

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