Subject: Re: [vdr] mini-PCI card suggestion

CR oauk32v02 at sneakemail.com
Thu Oct 26 12:27:42 CEST 2006


Hi,

Simon Baxter wrote:

> > I'm building a remote VDR device on a Dell GX260 SFF PC, which has 1x AGP
> > low-rise slot and 1x PCI
> > I'm having trouble finding a selection of video cards which will fit in
> > the SFF case.
> > Can someone recommend a card?  It needs to have s-video out (doesn't need
> > to have VGA - but must have s-video/Component/RGB)
>
> This probably isn't the group for this, as I'm running XV and VDR really
> shines with FF DVB cards.
> Looks like there's very few options for s-video TV-OUT XV support in Linux.
> I've searched the Matrox, Savage and NVIDIA - nothing has particularly good
> support for accelerated s-video.  I am running another VDR machine with an
> S3 Unichrome 2D/3D chipset and s-video - works really well!
> This new VDR box is low-rise though, so I need a small card....

Are you looking for a "mini-PCI" card, a low-profile PCI or low-profile
AGP?  A mini-PCI card usually goes in a laptop or a very tiny appliance.

I'm not sure where you're getting the "no on makes good accelerated
s-video for Linux", any new ATI or nVidia card has TV-out support in Linux
(by using the vendors proprietary driver).

For an AGP/PCI card, something based on the nVidia MX-4000 or FX5200
should be cheap and low-profile.

Here's a link to a low-profile AGP card:
http://www.newegg.com/Product/Product.asp?Item=N82E16814127128

And here's a link to a low-profile PCI card:
http://www.newegg.com/Product/Product.asp?Item=N82E16814139174

You aren't very specific by "hardware acceleration" -- do you mean MPEG2
decoding, or something else?  Regardless, any newish nVidia card (> Ti4xxx
series), like the MX4000, supports XvMC which allows the video card's GPU
to perform the MPEG-2 decoding.  Xine/xinelibouput supports XvMC as an
output method, so you could get fully hardware accelerated video decoding.

I am using an nVidia 6200TC with VDR and softdevice and my TV-out (via
s-video), without any XvMC my CPU utilization when playing StandardDef
content is acceptable, <30% on a Pentium-M running at 800 MHz.

I've done testing with XvMC on the 6200TC playing back a 1080i stream (via
mplayer) and I get CPU utilization < 10%...that's pretty low to me.

Regards,
CR.



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