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

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Apr 2 11:06:17 PDT 2013


Raymond Toy <rtoy at chromium.org> changed:

           What    |Removed                     |Added
                 CC|                            |rtoy at chromium.org

--- Comment #1 from Raymond Toy <rtoy at chromium.org>  2013-04-02 11:04:29 PST ---
(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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