[FFmpeg-devel] [PATCH] h263dec.c: add HW acceleration hooks

[Gwenole Beauchesne]

Hi,

On Thu, 26 Mar 2009, Michael Kornfeld wrote:

> We are planning to do HW acceleration for several FFmpeg video codecs on an
> Intel Poulsbo (US15W) chipset in connection with the Intel Atom processor in
> a Linux environment. I already learned that VA API is the right way to go.

On Poulsbo? Yes.

So far, only the following codecs are supported at VLD level: MPEG-2, 
MPEG-4, H.263, H.264, VC-1 (and WMV3 variants). I don't think there are 
more to support. However, for completeness, you are also welcome to add 
MPEG-2 acceleration at motion compensation level. ;-)

> Do the recently announced VA-API patches fulfil this task? Or who else could
> provide us a solution for this?

The VA API patches are not fully integrated yet into the FFmpeg SVN tree. 
In the meantime, you can get recent enough bits here (as a large patch 
against FFmpeg SVN): 
<http://www.splitted-desktop.com/~gbeauchesne/mplayer-vaapi/>

This depends on this version of VA API:
<http://www.splitted-desktop.com/~gbeauchesne/libva/>
This is also getting integrated upstream. Actually, most of the patches 
were integrated today.

Regards,
Gwenole.