[Live-devel] IP_ADD_MEMBERSHIP error in test programs

[Stas Desyatnlkov]

Change ReceivingInterfaceAddr variable to point to the Ethernet adapter
you trying to use for multicast.

 

  _____  

From: live-devel-bounces at ns.live555.com
[mailto:live-devel-bounces at ns.live555.com] On Behalf Of Victor Kozhuhov
Sent: Tuesday, November 21, 2006 12:13 AM
To: live-devel at ns.live555.com
Subject: [Live-devel] IP_ADD_MEMBERSHIP error in test programs

 

Hello, 

 

I am building a multicast-enabled RTSP server based on liveMedia
library.

Following all instructions (FAQ, archives and sample programs) I have to
use PassiveServerMediaSubsession. 

No problem with this, except that I can not open a socket for multicast
- it always fails joining multicast group.

 

I tried to build and run the testWAVAudioStreamer.cpp sample, and here
is the output:

 

Audio source parameters:
        44100 Hz, 16 bits-per-sample, 1 channels => 705600
bits-per-second
Converting to network byte order for streaming
03:49:05 Groupsock(2964: 232.85.88.236, 2222, 255): failed to join
group: setsockopt(IP_ADD_MEMBERSHIP) error: Unknown error
03:49:05 Groupsock(2788: 232.85.88.236, 2223, 255): failed to join
group: setsockopt(IP_ADD_MEMBERSHIP) error: Unknown error
Play this stream using the URL "rtsp://192.168.0.1:8554/testStream"
Beginning streaming...
...done streaming
Press any key to continue

 

socket(...) is OK, bind(...) also. Seems that something is wrong the
call to setsockopt(IP_ADD_MEMBERSHIP).

 

I compared the call flow with MS SDK sample - looks the same, but MS
sample works just great.

Any ideas?

 

My environment: Win2000 SP 4, VC6.0, PlatformSDK 2002

 

Thank you in advance, 

Victor.

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