[mythtv] Patch to autodetect 4:3 Zoom aspect ratio

[Stuart Morgan]

On Wednesday 27 February 2008 13:49:29 Mårten Bohlin wrote:
> I have adjusted it now so it should not be to picky about the 4:3
> aspect of the source video. And I have also added a cool debug mode
> that shows where detection is done. It also paints a black box in the
> top left corner that is the brightest version of black that is
> considered as black. (I can not see it on my screen since it looks
> totally black)
>
> Here is a snapshot of it and explanation of how to reed it:
> http://www.mochc.net/myth-dev/LetterBoxDebugg.jpg
>
> To enable it turn it on in the Adjust Fill menu. I hope that this will
> help us to get all the parameters perfect for everybody.

http://miffteevee.co.uk/imagebin/letterbox_debug.jpg

This format generally works best with the 'Full' fill.
-- 
Stuart Morgan