vlc vout-filter with cli - possible bug?

[SOLVED]# vlc bug vout-filter with cli not working?

SOLVED: correct is:
$vlc --vout-splitter=wall http://youtube.com/watch?v=GQe3JxJHpxQ

## tested Versions:
- VLC media player - 2.1.5 Rincewind
- Nightly: vlc-3.0.0-git-20141218-0403-win64.exe
- Nightly: vlc-3.0.0-git-20141218-0002-win32.exe
- vlc-2.0.8-win32.exe

## OS:
Win7 Prof x64

## using cli
$ vlc --vout-filter=wall http://youtube.com/watch?v=GQe3JxJHpxQ
> opens single window

$ vlc --vout-filter=wall --intf dummy http://youtube.com/watch?v=GQe3JxJHpxQ
> returns error "main vout display error: Failed to resize display"

## with gui
selecting wall filter works