[Live-devel] Multicast support...

[Ross Finlayson]

>Hi Everybody,
>
>I am trying multicast the MPEG2 data using the testMPEG1or2VideoStreamer.cpp
>file. I am using the multicast address as 239.255.42.42. I am getting the
>following error:
>
>20:04:32 Groupsock(920: 239.255.42.42, 8888, 1): failed to join group:
>setsockopt(IP_ADD_MEMBERSHIP) error: Unknown error
>
>I am using Windows 2000 SP4. Any clues on how to solve this.

You probably don't have a multicast route (for 224.0.0/4) in your 
routing tables.  If you add one (pointing to a local network 
interface), multicast will probably work.

Or you could upgrade to Windows XP, where multicast seems to work 
properly 'out of the box'.

-- 

Ross Finlayson
Live Networks, Inc.
http://www.live555.com/