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

[Måns Rullgård]

M?ns Rullg?rd <mans at mansr.com> writes:

> Naotoshi Nojiri <naonoj at gmail.com> writes:
>
>> Hi,
>>
>> 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.
>
> Inline asm is unacceptable.

I have a faster, pure-asm version of the mdct stuff almost ready.  No
need to resubmit.

-- 
M?ns Rullg?rd
mans at mansr.com