[mythtv-users] HDPVR HD Recordings are in 4:3 format

[Saul A. Peebsen]

On Fri, 13 Dec 2013 22:37:05 -0800
Karl Newman <newmank1 at asme.org> wrote:

> >> (though you may well have different DPI--the important part is
> >> that it was computed from the DisplaySize, rather than from some
> >> (broken) --dpi setting on the X command line that your distro
> >> decided to create havoc by including or similar).  Also, FWIW,
> >> your needing to use xrandr to force the 720p does make it sound
> >> like your distro is doing something terrible like specifying a
> >> --dpi argument to X.
> >>
> >>
> >> Mike
> >>
> >
> > I'm using Gentoo, and I'm pretty sure it doesn't do that (From what
> > I've seen, Gentoo doesn't generally presume to know what's best for
> > their users). Something changed in a version of X maybe ~8 months
> > ago that broke it. PreferredMode is completely ignored. I'm using
> > the built-in Intel graphics (i3 Sandy Bridge), not nVidia. But I
> > will investigate the DisplaySize first in xorg.conf and if that
> > doesn't work, then as an argument to my xrandr command.
> >
> > Karl
> >
> 
> Okay, not terribly surprised given my history with X and this
> motherboard, but this didn't work at all. DisplaySize is accepted,
> but Myth apparently doesn't use it. I used the actual measured
> display size. Maybe it can't use non-square pixels (1280x720 pixels
> is 16:9 but 559x419 mm is 4:3)? I couldn't find the "Monitor Aspect
> Ratio" setting per se, but I did see something like that if I enable
> separate modes for GUI and video playback. I don't use that feature,
> so maybe that's why it's not working for me. Anyway, I went back to
> using the Aspect Override to fake that I have a 16:9 screen so that
> recordings will fill the screen and not be horizontally squashed. So,
> from my perspective there is still a need for that setting.

See /usr/share/doc/nvidia-drivers-<version>/README.bz2 for options and
settings supported by nVidia proprietary driver. While OSS drivers
generally co-operate with Xorg proprietary drivers do not.

-- 
Cheers, Saul