[x264-devel] libx264 for Blackfin?

[Harald Krapfenbauer]

> Blackfin-specific optimisations are probably the least of your worries
> for running x264 on a Blackfin.  The big problem is lack of MMU, making
> memory fragmentation a real concern.  As x264 is not written with this
> in mind, I would expect it to run into trouble fairly quickly.  Another
> problem is gcc generating rather abysmal, and frequently outright wrong,
> Blackfin code.
>
> Before you proceed further, I would suggest you try to build x264 for
> your Blackfin system and check whether it runs at all, and if it does,
> what performance you get.  Hand-optimising can probably double that
> number, but no more.

Ok, thank you for these thoughts, they help us a lot to sort out "dead ends"...

FYI, it does run on the Blackfin, but performance is bad.


-Harald