[FFmpeg-devel] [PATCH] NEON FFT/IMDCT

Ramiro Polla ramiro.polla
Thu Sep 3 14:28:13 CEST 2009


Hi,

On Thu, Sep 3, 2009 at 6:41 AM, Naotoshi Nojiri<naonoj at gmail.com> wrote:
> I tested the patch on Cortex-A8 @500MHz (BeagleBoard).
> FFT (fft-test -s):
> 440.8 -> 34.2 us/transform (12.9x speed up)
> IMDCT (fft-test -i -m -s):
> 142.4 -> 11.8 us/transform (12.1x speed up)
>
> I had written NEON intrinsics code a bit, but this is my first
> ARM/NEON code in assembly.
> So, any comments and suggestions would be appreciated.

There are tabs in your patch.

Quoting from http://ffmpeg.org/developer.html :
The TAB character is forbidden outside of Makefiles as is any form of
trailing whitespace.



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