[mythtv-users] widescreen TV out

Mark Smith mark at chez-moi.org.uk
Thu Apr 7 00:08:24 UTC 2005


In message <20050404143644.GD19997 at cloud.net.au>
          Hamish Moffatt <hamish at cloud.net.au> wrote:

> This works, but I have to change to 'full' mode manually each time I
> switch to the Myth input on the TV, because it thinks it's a 4:3
> picture. (The TV allows you to set your default mode for a 4:3 picture,
> but only among a couple of options, neither of which is right.)
> 
> Seems that I need to tell the TV that it's a widescreen picture.
> I gather that widescreen signalling in the picture should do that. Is it
> possible to configure the NVidia driver to output that?

I think that the other DVB boxes that I have signal widescreen via one of the
pins on the SCART connectors. This obviously isn't possible if you're using a
straight Svideo cable as I am currently.

I believe there may be other mechanisms in use, but I doubt that the graphics
cards manufacturers really give this much consideration - hence Myth shows
4:3 output on a 16:9 display (and vice-versa) through use of black bars.

I've just set my TV in 16:9 mode - this is fine unless I want to use the
image viewer which seems to ignore the aspect ratio setting and assume you
have a 4:3 display. Mplayer seems to do the same, but fortunately Xine does
take account of the aspect ratio.

-- 
Mark Smith - Surrey, UK
http://www.chez-moi.org.uk/



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