[mythtv] Ticket #4872: Detect if video is letterboxed and switch to corect fill mode
Petr Stehlik
pstehlik at sophics.cz
Mon Mar 31 18:39:37 UTC 2008
Robin Neatherway píše v Po 31. 03. 2008 v 16:00 +0100:
> > Well, I meant it differently - normally the "remove black bars" function
> > never "overscans" but with 4:3 movie on 16:9 screen there is a lot of
> > wasted screen space due to the black bars so I thought it would be cool
> > to automatically zoom in to 14:9 (called also half zoom) to partially
> > overscan and partially remove the black bars.
> >
> > I realize it has not much common with the autodetect function but it
> > fits under the feature "remove black bars" :-)
> >
> > So it would work as follows:
> >
> > if (black bars in stream detected)
> > zoom as much as possible to remove the black bars;
> > else
> > if (video aspect ratio != screen aspect ratio)
> > if (half zoom allowed)
> > set half zoom to remove at least part of the black bars;
> >
> >
> > Currently it seems to miss the aspect ratio compare condition.
>
> I would prefer it not do this. I feel that once the screen is filled
> in either direction, you are seeing the programme as intended.
Correct.
> Beyond that, tweaking should be manual, or at least not tied up with the
> "black bars in stream" detection.
It's not tied up with that, it's an optional and configurable add-on to
that (and is disabled by default :-)
Petr
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