[mythtv] Ticket #4872: Detect if video is letterboxed and switch to corect fill mode

Mårten Bohlin mabo at mochc.net
Tue Apr 1 08:34:51 UTC 2008


Petr did you see my other mail with a patch for your issue?

Mårten

On Tue, Apr 1, 2008 at 10:23 AM, Petr Stehlik <pstehlik at sophics.cz> wrote:
> Mårten Bohlin píše v Út 01. 04. 2008 v 09:48 +0200:
>
> > bars. But you can also select to get some overscanning for 4:3 content
>  > if you want to.
>
>  Unfortunately the overscanning gets enabled for 16:9 content as well.
>  Thus half zoom enabled (that works very well for my 4:3 videos)
>  overscanned 16:9 videos as well.
>
>
>  > >  I've been running this since last week and it seems to be pretty
>  > >  solid.  The only remaining issue I might have is that it would be nice
>  > >  to be able to disable it for DVDs.  We were watching a movie this
>  > >  weekend, Dan in Real Life I believe, and I think it was a anamorphic
>  > >  2.35:1 ratio video.  In other words it was widescreen, but still with
>  > >  a small bit of black bar at the top and bottom of the screen.  This
>  > >  triggered the auto-fill to kick in.  Easy enough to change with the
>  > >  OSD menu, so it's only a minor annoyance.  I'm picky about movies and
>  > >  almost always want those in the original aspect with no "overscan".
>  > >  In fact this might be what the poster above was talking about so I'm
>  > >  sorry if I didn't get that :)
>
>  > I am interested in what happened in this case, since the auto
>  > detection should disengage itself if the video is not in 4:3 format.
>
>  Unfortunately it did not - that's why I replied to this thread and
>  suggested the pseudo algorithm that adds the comparison of the aspect
>  ratios.
>
>
>  > So which version of the patch are you using?
>
>  I use v7.
>
>  Petr
>
>
>
>
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