[FFmpeg-devel] [PATCH 1/5] libavcodec: Implementation of 32 bit fixed point FFT

Michael Niedermayer michaelni at gmx.at
Tue Jun 18 18:56:59 CEST 2013


On Mon, Jun 03, 2013 at 04:11:12PM +0200, Nedeljko Babic wrote:
> From: Nedeljko Babic <nbabic at mips.com>
> 
> Iterative implementation of 32 bit fixed point split-radix FFT.
> Max FFT that can be calculated currently is 2^12.

How does this compare to: rockboxs fixed point fft
http://git.rockbox.org/?p=rockbox.git;a=tree;f=apps/codecs/lib;h=4d96a94d432e0d3dbeee88bc5b5573409ef0e662;hb=a0009907de7a0107d49040d8a180f140e2eff299

?

That is, which is faster ?
iam asking because I want the faster one of the 2 :)

[...]
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

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