VLC message error

[Link]

Hello,

When I try to multicast from one windows of vlc to another copy (On the same computer) sometime it working, when it'is not working I received this error message :



access_output_udp error: failed to open a connection (udp)
main
error: cannot delete object (225, (null)) with a parent
stream_out_standard
error: no suitable sout access module for `udp/ts://239.20.30.40.:1234'
access_output_udp
error: failed to open a connection (udp)
main error: cannot delete object (228, (null)) with a parent
stream_out_standard
error: no suitable sout access module for `rtp/ts://239.20.30.40.:1234'
stream_out_duplicate error: no destination given
main
error: stream chained failed for `duplicate{dst=std{access=udp,mux=ts,url=239.20.30.40.:1234},dst=std{access=rtp,mux=ts,url=239.20.30.40.:1234}}'
main
error: cannot delete object (222, (null)) with children
main error: cannot start stream output instance, aborting
main
error: cannot delete object (221, (null)) with children
stream_out_standard error: for now udp and rtp are only valid with TS
access_output_udp
error: failed to open a connection (udp)
main error: cannot delete object (234, (null)) with a parent
stream_out_standard
error: no suitable sout access module for `udp/mp4://239.20.30.40.:1234'
stream_out_duplicate error: no destination given
main
error: stream chained failed for `duplicate{dst=std{access=udp,mux=mp4,url=239.20.30.40.:1234}}'
main
error: cannot delete object (231, (null)) with children
main error: cannot start stream output instance, aborting
main
error: cannot delete object (230, (null)) with children


access_output_udp error: failed to open a connection (udp)
main error: cannot delete object (225, (null)) with a parent
stream_out_standard error: no suitable sout access module for `udp/ts://239.20.30.40.:1234'
ipv4 warning: cannot build remote address
ipv6 warning: cannot build remote address
access_output_udp error: failed to open a connection (udp)
main warning: no sout access module matching "rtp" could be loaded
main error: cannot delete object (228, (null)) with a parent
stream_out_standard error: no suitable sout access module for `rtp/ts://239.20.30.40.:1234'
main warning: no sout stream module matching "std" could be loaded
main debug: destroying chain... (name=std)
main debug: destroying chain done
stream_out_duplicate error: no destination given
main warning: no sout stream module matching "duplicate" could be loaded
main debug: destroying chain... (name=duplicate)
main debug: destroying chain done
main error: stream chained failed for `duplicate{dst=std{access=udp,mux=ts,url=239.20.30.40.:1234},dst=std{access=rtp,mux=ts,url=239.20.30.40.:1234}}'
main error: cannot delete object (222, (null)) with children
main error: cannot start stream output instance, aborting
main debug: pes: 0 packets
main debug: data: 0 packets
main debug: buffers: 0 packets
main debug: thread 3256 joined (src/input/input.c:373)
main error: cannot delete object (221, (null)) with children

[markfm]

Any chance your machine is a little "light" (weak), for CPU and memory? I do the two-copies-on-one-machine purely for basic testing, not had a problem like that, though I always use a .mpg for the test (the server copy is transmiting a video, so it really isn't doing much work, just making the packets available).

Also, I'd suggest making sure that you don't select Local Display for the server instance of VLC. (I don't know if you are or not, just a pointer)

[Link]

I don't think , my cpu is a Athlon XP 1.8 Ghz with 512 mb of DDR Corsair, I have 3 network card. I specify to VLC to use my 3com card.

[markfm]

If the problem is repeatable (if it happens fairly often), for a test I would try disabling two of the three Ethernet cards under WinXP -- the right click-disable sequence you can do from Control Panel.

I just noticed:
error: stream chained failed for `duplicate{dst=std{access=udp,mux=ts,url=239.20.30.40.:1234},dst=std{access=rtp,mux=ts,url=239.20.30.40.:1234}}'

You might try this with a different address for the rtp stream. You might be trying to shovel two sets of UDP datagrams into a single address/port. It appears that RTP is a higher-level protocol, and it "rides" on top of either IP or UDP. I have no clue which mechanism is more prevalent/actually used in VLC, but if multicast is permitted with VLC's RTP, it should be UDP (IP is an Acked transport, and multicast is a non-Acked method of moving data)