[mythtv-users] recommendation for video card needed
veehexx at zoho.com
Mon Dec 11 21:34:51 UTC 2017
---- On Mon, 11 Dec 2017 16:48:24 +0000 Jerry <mythtv at hambone.e4ward.com> wrote ----
> On Mon, Dec 11, 2017 at 8:06 AM, Jim Abernathy <jfabernathy at outlook.com> wrote:
> I have a Core 2 Duo system that is not doing anything right now and I
> would like to make a mythtv frontend with it. However, the Intel GFX on
> that box doesn't produce good video playback with mythfrontend. High
> motion scenes mess up a lot.
> I figure there has to be a Nvidia GFX card out there the is cheap and
> works well with Ubuntu Linux 16.04 LTS and Mythtv. Is there a consensus
> of what to get to solve this problem? I know there are a lot of gamer
> cards out there, but video playback is much simpler and less GPU intensive.
> Hi Jim,
> I was using an nVidia GTX 260 in my Core 2 Quad system until very recently when I upgraded to a newer computer. It played x264 content very well.
> I don't think you can buy such an old card anymore (nearly 9 years old!) but I'm sure you can find at least a 7xx card that would do the job even more nicely. I did not play around with the interlacing settings, and I suspect my 260 would not have all the bells and whistles of a newer card, but for my purposes it was fine. I have a 760 GTX in my backend/frontend machine now and it's pretty much overkill for my needs.
> I always stick with nVidia cards as they have great support with Linux. I would still be using that card and system but I don't have a need for it right now. I run Fedora and use the rpmFusion drivers (akmod - the driver automatically compiles against a new kernel. Sometimes, not often, I have to hold back a kernel while the newest akmod driver catches up but this only happens for a few days and then it works. I think if I remember that you run Ubuntu. That's not as bleeding edge and you won't run into those kinds of issues).
> I usually get a x60 card but it's for my main system, and that card gets migrated to my backend/frontend. I was looking for the VDPAU feature list for each card and I can't find it! sorry! It was on Wikipedia. The newer the card, the more features it has, obviously. I did see that the 9xx cards (except for 970 and 980) support x265 decoding onboard. That might be a nice feature for future proofing, but x265 is pretty new and not seen everywhere yet. x264 decoding is pretty widely supported with probably any card you will find. I was able to watch x265 recordings with my system, but that was all software decoded and wasn't based on my card. I don't know if a Core 2 Duo can handle it. Get a sample video and see for yourself.
> Anyway, the short of it is that you will be able to watch mostly everything with just about any half-decent card you'll find. Look for VDPAU support for the chipset you are looking at, find a value you like and pull the trigger.
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i've used entry level nvidia (and ATI) cards without issue. looks like the nvidia 710/720 is the current ones to go for and well worth getting a passive version.
i tried c2d era onboard intel and it wasnt upto much more than SD streams. partly down to weak intel/linux support on that specific platform, partly down to grunt.
i do use a 2 year old celeron NUC with onboard intel gfx and does 1080 h264 without issue so i'd say if you were buying now, anything will handle broadcast tv. 2k/4k content will be where you'd need to research a bit more if thats something of interest.
also run rpi3's as non-primary FE's, definately handle any 720p but cant think if i've ever tested 1080p.
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