HDTV @ 1080p, full-screen video

Tyler Aviss tjaviss-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org
Thu Jan 21 21:04:41 UTC 2010


On Thu, Jan 21, 2010 at 11:56 AM, Lennart Sorensen
<lsorense-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys at public.gmane.org> wrote:
> On Thu, Jan 21, 2010 at 08:17:20AM -0800, Tyler Aviss wrote:
>> I've got a box that I'm currently trying to diagose some "issues" with.
>> Currently it's running Ubuntu 9.10, has a GeForce (9200 I believe)
>> card with DVI out, and has issues playing video. I'm using the NVidia
>> binary-blob drivers.
>>
>> If I reduce the resolution to 1300x800 (or whatever the exact mode
>> is), the video plays smoothly. At full HD, the sound desyncs and
>> there's a fair bit of stuttering. At full res the CPU usage seems a
>> bit high, but it isn't pegged.
>>
>> I had a similar rig that used HDMI out, and older GeForce (6600) card,
>> and didn't experience these issues. Anyone know of any issues with
>> recent Xorg/Ubuntu and high-def video?
>>
>> I can't remember if this box had HDMI, but it does have VGA, so I
>> think perhaps in the meantime I'll test that. In windows it also
>> supports audio-over-DVI but I've yet to attempt that in 'nix.
>>
>> I had another machine with an Intel chipset that similar issues, but I
>> think that was only 1080i and I can't remember what exactly resolved
>> it but it "just started working" eventually.
>
> What player are you using?
>
> Does the player use XvMC?  Does it use libvdpau?
>
> If you don't use one of those, you probably won't be able to handle
> highres decoding.
>
> Certainly playing back 1080i video on my mythtv box scaling to the TV
> res works perfectly.  I just play them and mythtv does whatever it does
> for playback.  I use an 8600GT card with the drivers installed the debian
> way of course.
>
> --
> Len Sorensen
> --
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The Debian way being the kernel-only driver, or using something like
module-assistant+DKMS?

-- 
Tyler Aviss
Systems Support
LPIC/LPIC-2
(778) 890-0942
--
The Toronto Linux Users Group.      Meetings: http://gtalug.org/
TLUG requests: Linux topics, No HTML, wrap text below 80 columns
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