[opus] [ARM][FFT][NEON] Integrate Ne10 into Opus?

Ralph Giles giles at thaumas.net
Thu Dec 11 10:46:50 PST 2014

On 2014-12-10 7:26 PM, Phil Wang wrote:

> I am working on Ne10 project. Ne10 provides NEON optimized FFT routines
> that are much faster (compared to those without NEON), on most ARMv7-A
> and all ARMv8-A devices. How about integrate it into Opus?

It looks like Ne10 only provides radix 2 and 4 fft? Opus requires radix
3 and 5 as well, to match normal VOIP packet lengths. I think you'll
need to add support for those transform sizes before Ne10 will work for


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