[mythtv-users] VDPAU playback issues
nick.rout at gmail.com
Sun Nov 4 19:00:22 UTC 2012
On Mon, Nov 5, 2012 at 7:18 AM, HP-mini <blm-ubunet at slingshot.co.nz> wrote:
> > Thanks. I read on the wiki that for glitch-free playback you should
> > only use the 295 series drivers, as something changed in the 3xx
> > series which meant that glitch free would not work. That's why I'm on
> > the 295 driver still. I've also tried the VDPAU Normal profile but it
> > has made no difference to this problem.
> Haven't noticed this problem (yet)..
> Sounds like a composite effects interaction (unity compiz etc).
> > So from the replies I've had there doesn't seem to be anything
> > specifically wrong with my mythtv setup, which is a releif :). This
> > problem is specific to certain mkv files, and those same files also
> > play jerkily in mplayer (which also uses ffmpeg) so I don't think it's
> > actually a mythtv issue.
> > Does anybody know of any tools which could look for problems in the
> > files I'm having trouble with? I've tried loading them into avidemux
> > but that loads them fine. I'm just intrigued as to why some files are
> > maxing out the CPU and some apparently identical ones are not.
> If your vdpau decoder does not support your media format then CPU decode
> is used.
> MPEG4-ASP DivX Xvid are only supported from 2xx series vdpau.
The file is x264 so that is irrelevant (albeit true)
> The 1st gen ION & 8400/9400/etc have some resolution
Specifically files encoded as 576p are 1024 pixels wide and won't decode on
some vdpau chipsets.
> You could probe the files with ffprobe or mediainfo.
> The nVidia driver readme tables the vdpau limitations in appendix A.
> mythtv-users mailing list
> mythtv-users at mythtv.org
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the mythtv-users