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

[Justin]

What is the edge detection algorithm you are using?  Moving to a more 
sophisticated algorithm could prevent false detections.

Justin


Mark Buechler wrote:
> Hi.
>
> On Thu, Feb 28, 2008 at 6:18 AM, Mårten Bohlin <mabo at mochc.net 
> <mailto:mabo at mochc.net>> wrote:
>
>     On Wed, Feb 27, 2008 at 11:43 PM, Mark Buechler
>     <mark.buechler at gmail.com <mailto:mark.buechler at gmail.com>> wrote:
>     > This is a lot closer for me. However, it's not 100%. There seem
>     to be a few
>     > occasions where once in widescreen mode, it won't correctly
>     detect 4x3 (only
>     > commercials so far). But then again, I don't know that this sort
>     of thing
>     > CAN be 100%.
>     >
>     > - Mark.
>
>     I am glad to hear that it starting to get useful. And I agree that it
>     will never be 100% corect, but we can try to get it as good as we can.
>
>     If the problem is to switch back to pillarboxed mode I could remove
>     some constraints. Today it only do that if it detects a image in both
>     the top and bottom bars. I guess it will be ok to do the switch if a
>     image is detected in one of them.
>
>
> I think that would probably work.
>  
>
>
>     Mårten
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>
>
> Thanks, Mark.
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