what is the dst?

[billqu]

such as

% vlc -vvv input_stream --sout '#duplicate{dst=display,dst=
"transcode{vcodec=mp4v,acodec=mpga,vb=800,ab=128,deinterlace}:
rtp{mux=ts,dst=239.255.12.42,port=5004,sdp=sap://,name="TestStream"}"}'

[Peter S]

dst = destination
You can find this and more in the wiki, seek for 'command line'