[streaming] Multicast over wlan flooding the network

[Bernhard Rosenkraenzer]

Hi,
I'm experimenting with multicasting video over a WLAN network, using

vlc --intf dummy test.avi --sout 
'#transcode{venc=ffmpeg,vcodec=mp4v,acodec=mp3,vb=512,ab=64,width=360,height=288}:standard{access=udp,mux=ts,url=239.255.255.8,sap,name="Test"}' 
--ttl 3

On the client side,

vlc udp:@239.255.255.8

receives only parts of the stream and produces tons of
libdvbpsi error (PSI decoder): TS discontinuity (received 13, expected 12) for 
PID 0
libdvbpsi error (PSI decoder): TS discontinuity (received 0, expected 15) for 
PID 0
libdvbpsi error (PSI decoder): TS discontinuity (received 0, expected 15) for 
PID 66
messages; even if this is the only listening client.

At the same time, the WLAN network becomes unresponsive until I kill the vlc 
server.

Replacing the multicast address with a normal unicast IP works just as 
expected.

I'm guessing the access point is handling the multicast incorrectly... Or is 
there something I'm overlooking? If it's the access point, does anyone have a 
recommendation for a multicast capable access point?

Thanks,
bero

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