[Openchrome-users] HDTV performance

[Thomas Hellström]

Hi!

> Hi,
>
> I want to ask you for your experiences regarding HDTV.
>
> I tried a small sample file "720p @ 25 Mbit/s - Heuris-Logo" from
> ftp://ftp.heise.de/pub/ct/spezial/logo.mpg
> (could not yet test the other samples from
> http://www.heise.de/ct/ftp/spezial.shtml
> as I don't have any display available supporting >1600x1200 ...)
>
> The 720p sample from above consumes ~78% cpu using a SP13000, xorg7rc3
> (gentoo) and mplayer. Xine takes ~60% cpu, with device.unichrome_cpu_save
> enabled ~32% but it seems to jerk a little bit.
>
> Do you think the hardware could manage 1080p or is that too much?
>

Your figures seem a little high.
If you have
Option "EnableAGPDMA" in your xorg.conf you shouldn't be using
device.unichrome_cpu_save and you should average around 25% CPU for a
1080i stream, which makes me assume that 1080p should work. Haven't tried
myself, though.

/Thomas



> Regards
>
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