[mythtv-users] Which AGP Support Driver?

James L. Paul james at mauibay.net
Mon Oct 13 13:05:24 EDT 2003


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Wood, Mike wrote:
| Hey Gang,
|
| I'm just wondering what everyone is using with their GeForce cards?
Are you
| using the kernel AGP driver, AGPGART, or are you using the nvidia driver,
| NvAGP?

I'm using the nvidia driver from nVidia's website, not the free driver
in the kernel. All my linux boxes use the same driver, even my laptops.
I can't compare it to the free driver in the kernel since it's been a
couple years since I even tried that.

| I'm still trying to solve some occasional "hesitations" in LiveTV and was
| wondering if this might have an impact.

I've never experienced any performance problems with the nvidia driver
in X, with MythTV or other applications or games. I use xv mode for apps
that support it, and in fact it's the only way I've gotten xmame.x11 to
correctly scale and display games. I have a small script that uses nvtv
to set overscan and position now that I've hacked into some modules like
mythgame so that the frontend gets displayed correctly upon return.

Every situation I can recall on my own boxes where I had glitches or
hesitations in video playback have been due to the capture side of
things, not the display side. Remember, watching live TV on myth is no
different from any other playback, it's just playing a video file from
disk. Is it possible that a glitch or dropped frames in your capture
stream might be causing you to run too close to real time? Easy to test,
just pause playback for a few seconds and unpause to see if video
smooths out.
|
| Thanks,
| Mike
|
|
|
|
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|
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