[mythtv-users] specific nvidia AGP card that can do HD playback?

[Tim Scholl]

On Thu, May 15, 2008 at 4:32 PM, Tim Scholl <tascholl at gmail.com> wrote:

>
>
> On Wed, May 14, 2008 at 8:21 PM, David Schlenk <mythtv at schdav.org> wrote:
>
>> On Wed, May 14, 2008 at 6:22 PM, Misty P <mistyp at thekorn.net> wrote:
>> > David Schlenk wrote:
>> >> I have a KWorld ATSC 110 that works great except one of my frontends
>> >> has an nvidia 6200 that apparently doesn't have the chops to do HD
>> >> playback via XvMC. I've tried multiple versions of the driver and a
>> >> few different distros and it just won't keep up. So I'm looking for a
>> >> very specific recommnedation for a cheap nvidia AGP card that will
>> >> handle ATSC content. I don't really do any x264 content. Here's my
>> >> system info:
>> > (deleted)
>> >>
>> >> nvidia card I have that doesn't work: PNY Verto GeForce 6200 Video
>> >> Card (VCG62128APB) which lspci says:
>> >> 01:00.0 VGA compatible controller: nVidia Corporation NV44A [GeForce
>> >> 6200] (rev a1)
>> >>
>> >> I'd like to be able to get this machine playing HD back without having
>> >> to replace the mobo/cpu/ram. I know i'm using a celeron and i should
>> >> be punished but what can i say it was cheap, and so am I.
>> >>
>> >> Any tips would be great, including "i have that card and this is how i
>> >> got it to work"
>> >
>> > I'm running a 6200LE (gave up on my 7300 -- pile of junk!), using XvMC
>> for
>> > ATSC HD every day.  I am, however, running a PCIe-16x card rather than
>> an
>> > AGP version, but both busses should have more than enough bandwidth to
>> do
>> > what you need.
>> >
>> > In order to get it working, I *had* to go all the way up to the latest
>> > nvidia drivers ; the binary ones included with ubuntu 8.04 simply
>> wouldn't
>> > work for me with XvMC.  Since I'm relatively lazy, I used envy-NG to
>> > download and install the drivers.  It's a piece of cake!  (Then follow
>> the
>> > wiki's directions, of course.)
>> >
>> >
>> > If *that* doesn't do it, then I'd download nvclock with apt-get, and
>> take a
>> > look at the card's clocking.  You kind of alluded to being cheap, and
>> maybe
>> > the card is too underclocked (read: really cheap card) at stock.
>>  (maybe)
>> >
>> > ...but I'd install the latest drivers with envy first, then see where
>> you're
>> > at.
>> >
>> >
>> > _______________________________________________
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>> > mythtv-users at mythtv.org
>> > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>> >
>>
>> Well I might be getting somewhere. I tried a lot of things and the
>> best I came up with is:
>> NvAGP = 1
>> disable composite (helped a lot)
>> change the xvmc library in XvMCConfig to the nvidia wrapper
>> and now I get playback that isn't choppy but is totally motion blurred
>> like Bob isn't deinterlacing. I tried the other one but my
>> understanding is that it isn't supported in xvmc. Am I crazy or didn't
>> there used to be other methods (kernel comes to mind)? I ran with -v
>> playback and I don't see any bob deint failure lines. I'm running the
>> frontend at HD576i (I have a 4:3 CRT HDTV that looks awful @ HD1080i -
>> apparently nvidia's fault according to the internets so I run it at
>> this res with a virtual resolution of 1024x768) but if I up it to
>> 1080i the motion blurring goes away (but its crazy ugly due to my
>> crappy TV and stretched because its a 4:3 TV). I tried setting a
>> modeline for a virtual resolution of 1440x1080 but it didn't work,
>> although I'm not really sure if I did it right.
>> Anyway I'll try with the envy drivers to see if that fixes the
>> deinterlacing problem.
>>
>> I've been using the nvidia 5200 (fanless) for almost two years with a 3 gh
> intel processor.  I can record one HD channel and watch another HD channel
> one at the same time without a problem.  Without using xvmc
>
> Tim
>
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