[mythtv-users] Sandy Bridge / Intel HD 3000 support?

Mark Kendall mark.kendall at gmail.com
Thu Feb 24 00:29:53 UTC 2011

On 24 February 2011 05:25, Matt Emmott <memmott at gmail.com> wrote:
> So, Sandy Bridge is coming. If Ars is to be believed, it will hit the new
> Macbook Pro very soon, dumping Nvidia for the Intel HD 3000.
> http://arstechnica.com/apple/news/2011/02/13-macbook-pro-specs-leaked-revealing-thunderbolt-io-port.ars?utm_source=rss&utm_medium=rss&utm_campaign=rss
> I've read the archives but haven't found much information other than the
> virtues of SB's relatively low power usage. I was wondering what the
> platform's support status is in Myth - Does it have an offload API similar
> to VDPAU? Will full HD with this architecture be supported? Is there support
> in 0.24 or will there be support in 0.25?  Why does its name remind me of
> the squirrel on SpongeBob Squarepants?

Hardware decoding for the HD 2/3000 series is via  VAAPI. I have an
outstanding ticket for adding VAAPI support to mythtv but, to be
honest, the chances of me continuing to work on it in the near future
are remote (anyone interested?).

The last time I looked, the Intel/upstream libva library was out of
date, the recommended library version was provided and maintained by a
third party and the two had API inconsistencies. The intel support
seemed flaky at best (though that was just as likely my code), ATI/AMD
support was a joke (I don't know why they bothered to be honest) and
the implementation as a whole is weak in comparison to VDPAU or DXVA2
(e.g. none or notional deinterlacing support).

Fingers crossed it will improve (it may well have done so already).



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