[vlc] Re: video wall question

[Andreas Schiffler]

On Tue, 2004-02-17 at 15:48, Sigmund Augdal wrote:
> On Tue, Feb 17, 2004 at 10:46:50AM -0500, Andreas Schiffler wrote:
> > 
> > I'd like to drive a 3x3 video wall from vlc. 
> > 
> > I know there is a plugin "wall video filter". What does this do? Is
> > there any documentation?
> The video wall filter splits the video into n*m equally sized parts, and
> shows any combination of these in separate windows.
> 
> example use:
> vlc --filter wall --wall-cols 3 --wall-rows 3 --wall-active 0,4,8
> 
> This will open three windows containing the upper left, the middle and the
> lower right part of a 3x3 video wall. The filter doesn't take care of gaps
> between monitors.

OK, so it should be fairly easy to extend the wall filter to allow the
following adjustments:
 (A) optionally sub-select a rectangle from the source part
 (B) scale this rectangle to the original destination size
to account for monitor frames in a video-wall matrix.

I'll try to make a version of the existing wall filter to implement this
if I can figure out the source and pixel format.

Bye
Andreas


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