[streaming] VLC multicast to unicast to multicast?

[Larry Kelly]

Hi All...

  Does anyone know if VLC can be properly configured to stream a file (or
PVR input) to a multicast address, with a second VLC (running on a different
system) able to pick up that multicast, and forward on as a unicast to
another system?  We have a configuration where some networks would be able
to support multicast, but others would have to just do unicast's to the
clients (and/or another fanout multicast server).

  I've tried configuring VLC on machine A with the following:

./vlc ./saar.mpg --sout '#transcode{vcodec=mp4v,ac
odec=mpga,vb=1150,vt=1500,ab=128}:standard{access=udp,mux=ts,url=224.1.1.12:
1
234,sap=Teststream2}' --ttl 20 --intf rc 2>/dev/null

  I then execute the following on machine B:

./vlc udp:@224.1.1.12 --sout '#transcode{vcodec=mp4v,ac
odec=mpga,vb=800,vt=700,ab=128}:standard{access=udp,mux=ts,url=W.X.Y.Z:1
234,sap=Teststream2}' --ttl 20 --intf rc 2>/dev/null

  (W.X.Y.Z is a valid target IP).  VLC does not seem to pick up the original
stream to re-send.  Can VLC do this at all?

  Thanks!

  -Larry

~~~~~~~~~~~~~~~~~~~~~~~~~~
Larry Kelly
Contractor
RGII Technologies, Inc., A Computer Horizons Company
System Administrator
OCIO, Office of High Performance Computing and Communications
National Oceanic and Atmospheric Administration
Phone:  301-713-3573
Fax:    301-713-4040


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