[XviD-devel] xvid decoder for iphone

[Igor R]

> I did some ARM optimisations to the xvid codec a while ago (for demo
> purposes) and this made a massive improvement to decode. I'm pretty sure
> that adding ARM Neon code would also make a big impact.
>
> But, if you are after something that is available now, FFMPEG is your
> best bet, as ARM optimisations have existed for a long while.


Have you ever tried to decode mpeg4 video on some ARM-based device
with ffmpeg? It seems that ARM-specific optimizations do not work
there:
http://www.mail-archive.com/libav-user@mplayerhq.hu/msg04010.html