Size of output streams.

[aster_x]

There is one in-stream (/dev/video0 for example) and couple of out-streams (low and high quality).
Is it possible to make one with size 320x240 and high with size 640x480?

I mean that only one copy of vlc started, smth like this:
vlc -vvv v4l:/dev/video0 --sout '#duplicate{dst="transcode{ vcodec=DIV3,vb=30,scale=1}:std{ access=mmsh,dst=192.168.16.21:8080/low.avi}",dst="transcode{ vcodec=DIV3,vb=30,scale=1}:std{ access=mmsh,dst=192.168.16.21:8080/high.avi}"}'

`size=320x240` work with in-stream, not out.