2009/8/19 Theunis Potgieter <theunis.potgie...@gmail.com>:
> On 18/08/2009, Anssi Hannula <anssi.hann...@gmail.com> wrote:
>> Magnus Hörlin wrote:
>>  >
>>  > Hi. My opinion is that nvidia's ION platform with vdpau and XBMC gives 
>> the best result. The atom's cpu load is <10% playing 1080p h264 so forget 
>> the 3GHz core2 unless you want to play Flash HD movies or other non-vdpau 
>> formats.
>>
>>
>> Isn't Flash HD content usually encoded in H.264? That's the case in
>>  youtube, at least, and the clips play fine using vdpau decoding in mplayer.
>>
>>
>>  > It's not very cheap yet but you can build a fanless one for €200. For 
>> example a http://www.cartft.com/catalog/il/1072 together with 2G ram and a 
>> pico-psu.
>>
>>
>> --
>>
>> Anssi Hannula
>
> What GPU does the nvidia ION A type board have? Wikipedia lists it as
> NVIDIA PureVideo HD. And if you look that up on wikipedia then it
> could be any of the GPUs
> http://en.wikipedia.org/wiki/Nvidia_PureVideo#Table_of_PureVideo_.28HD.29_GPUs
>
> Ideally you would like to have the 9400/9500 type GPU that can do both
> h264 and VC1.

Initially you might think you do, since you'd like to playback bluray
material in the future. But in fact, most of the time you'd be
displaying h.264 from HDTV transmissions, and deinterlacing it, if
it's 1080i. Not all the different GPUs can do the advanced (temporal)
deinterlacing for 1080i material.

In most cases, a 9500gt is the better choice, since it can do just
that, even though it doesn't support VC-1 decoding in hardware, while
a 8400gs can do that, but not deinterlace it.

For a more thorough answer, have a look at the mythtv mailing lists.
-- 
-Tor

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