[Live-devel] Testprog & groupsock problem

[Ross Finlayson]

>In re-compiling the groupsocks lib, the error " 
>Groupsocks(-1;239.255.42.42,1234,7) failed to join group : 
>setsockopt(IP_ADD_MEMBERSHIP)
>error : bad file descriptor " had be eliminated.
>
>But the "Unable to determine our source address : setsockopt 
>(IP_MULTICAST_LOOP) " is still here. No multicast datagram have been streamed
>to the out on My PC. The groupsock doesn't arrive to determine my 
>multicast adress source (by sending the multicast datagram).
>
>Do you have already got this problem on Cygwin or another ?

This may be a problem with Windows 98,  (Some older Windows systems have 
problems with loop-back on outgoing multicast packets.)

I suggest trying again with the latest version (2005.04.13) of the 
"LIVE.COM Streaming Media" code.  (In this version, if multicast loop-back 
fails, then the code will try using "gethostname()" followed by 
"gethostbyname()" to try to figure out your IP address.  Perhaps that will 
work for you.)


	Ross Finlayson
	LIVE.COM
	<http://www.live.com/>