[FFmpeg-devel] [PATCH 5/6] x86/simple_idct: add explicit sse2 simple_idct_put/add versions.

Ronald S. Bultje rsbultje at gmail.com
Wed Apr 5 13:25:12 EEST 2017


On Tue, Apr 4, 2017 at 9:54 PM, Michael Niedermayer <michael at niedermayer.cc>

> if the idct depends on external asm then it would need to be under
> HAVE_EXTERNAL_*, you are correct. Also that is ugly

It's temporary, I think James/Kieran were talking about converting the IDCT
to yasm and then having an SSE2 version (for 8bit), which would be quite
nice. Right now we have a SSE2 for 10/12 bit on 64bit only and the inline
asm on 32+64bit for 8bit.


More information about the ffmpeg-devel mailing list