[mythtv-users] SDTV channel picture size on a HDTV???

David Brieck Jr. dbrieck at gmail.com
Thu Nov 1 13:14:20 UTC 2007

On 10/31/07, B Gates <bud6998 at yahoo.com> wrote:
> I have searched the web and can not find the answer to
> this question.
> Config
> Fedora 7
> MythTV 0.20.2
> pcHDTV-5500
> PVR-3500
> nVidia 7600 GS
> 32" 16.9 TV
> I have a HDTV which is 16x9.  Within the xorg.conf
> file I set the resolution at 1280x720 with 100x100
> dpi. I have verified this by using xdpyinfo.  I am
> connected to Comcast Cable.  When I view standard
> definition channels (2-96), the picture fills the
> entire screen.  I go to "Change Aspect Ratio" in the
> menu, and select 4x3 and the picture dimensions do to
> change.  Is this normal?  I thought when I selected
> 4x3 dimension, I would get the black bars vertically
> on each side.
> So the question is when you are viewing standard
> definition cable channel, with mythtv, on a HD
> television, do you get the vertical black bars?
> thanks
> Darrel

So I think what you're saying is that  a 4:3  video is only able to be shown
at 16:9 no matter what you do? This is not the norm, by default you should
have the black bars on the side if it's a 4:3 video.

I seem to remember reading on a thread recently that if you're running one
of the latest versions of X-Org you have a new option in your setup
somewhere that lets you choose the aspect ratio of your monitor. I think
this is because something Xinerama is enabled by default and it's causing
problems in the detection of the monitor ratio.
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