[FFmpeg-devel] [PATCH] Optimize pure C unscaled yuv2rgb.

Michael Niedermayer michaelni at gmx.at
Fri Oct 25 23:26:42 CEST 2013


On Fri, Oct 25, 2013 at 10:49:07PM +0200, Reimar Döffinger wrote:
> Aligning the tables reduces the amount of code generated on
> e.g. ARM as the offset constant then has few enough set bits
> so it can be encoded inside a single instruction instead of 2.
> Ideally all should be declared aligned, but the DECLARE_ALIGNED
> macros does not work with pointer tables, thus also reordered
> the tables.

should be ok

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

It is what and why we do it that matters, not just one of them.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 198 bytes
Desc: Digital signature
URL: <http://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20131025/e02f59d0/attachment.asc>


More information about the ffmpeg-devel mailing list