os33 - video regression ?

Tiago Marques tiagomnm at gmail.com
Wed Oct 28 07:31:49 EDT 2009

On Tue, Oct 27, 2009 at 5:20 AM, Jon Nettleton <jon.nettleton at gmail.com> wrote:
> On Mon, 2009-10-26 at 22:42 -0400, Mikus Grinbergs wrote:
>> James wrote:
>> But this is a hang - which leaves the XO-1.5 completely unresponsive
>> to operator input (except for the power button).  So I do not have
>> my normal opportunity to capture file contents, etc.  They are wiped
>> out by the reboot I perform to access the system again.
>> I think Martin mentioned he was able to get in to the hung system
>> with SSH.  I have basically never used SSH -- so I would have to do
>> a lot of learning before I could use that to obtain better
>> information than I have now (I wrote all I knew in my post).
> The XV hard lock is being caused by a while loop in the Flip function.
> I am looking into additional changes that need to be done to the code to
> support XV on the VX855 chipset.
> This should resolve general video playback, but will not have any effect
> on Flash based video.  Flash Video only supports accelerated video using
> OpenGL, everything else is strictly done on the CPU.
> In the future we will hopefully get better video playback, but can not
> get docs for VIA's MPEG4 engine due to patent restrictions.  This means
> that 3d acceleration will be the best option available to us.  That is
> still way out in the future on our feature timeline.

Huh!? I now OLPC can not impose VIA to release documentation but will
they at least be releasing code to support it afterwards? This is sad,
to say the least.

Best regards,

> Hope that helps to clear things up.
> Jon
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