[FFmpeg-devel] AVX assembly for ffmpeg

Måns Rullgård mans
Tue Feb 15 21:12:13 CET 2011


Daniel Kang <daniel.d.kang at gmail.com> writes:

> I have been asked to write AVX assembly for ffmpeg. This will require
> porting x264's x86inc.asm file with the AVX abstraction layer. Ideally, I
> would like to bump the yasm version, as it is already checked for pextrd
> (SSE4). However, is this is not permissible, I can see if the AVX compile
> flag can be set conditionally, based on the yasm version.

How recent a yasm version is required, and how hard is it to make it
conditional?

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



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