[vlc-devel] Re: Multicast udp streaming from playlist - problems

Benjamin PRACHT bigben+spam at videolan.org
Tue Aug 31 18:06:14 CEST 2004

On Tue, Aug 31, 2004, Dermot McGahon wrote :
> Resending without attachments. Log files at:
> http://www.bqbsoftware.ie/crashes_vlc/
> http://www.bqbsoftware.ie/channel_change/
> http://www.bqbsoftware.ie/live_vlc/
> ------------------------------------------------
> Hello,
> I'm attaching a set of log files which will show some
> problems that I am having using vlc as a multicast udp
> viewer.
> In general, it works quite well.
> The two main problems are:
> (1)  Crashes after a period of time. This can vary from between
>      forty minutes to four or five hours. The logs files with
>      "crash" in the filename should hopefully shed some light on
>      what happens just before the crash.

Could you try with a svn version ? (I'm afraid you'll be compeled to
compile it yourself, no linux nightely builds).

Morfeover, could you check if VLC behaving anormaly befor being killed ?
(memory consumption for instance)

> (2)  Using any method to change stream (n & p from the keyboard;
>      console interface next and previous; web interface next and
>      previous): there are *some* channels which cause jumpiness
>      on channel change. Changing either to or away from these
>      channels will cause a three or four second settling period.
>      I will dump some of this content to disk and try and see what
>      is unusual about it, but I am hoping that the log files
>      might show up what is unusual.

Could you check if this is not related to some network latency ? Joining
a multicast group can take several seconds if the streamer in not on the
same subnet than the client...

> The two live log files are where I tried a straight port of my
> mplayer LIVE.COM Kasenna format RTSP changes to vlc. This is just
> the initial attempt. I will debug further next week. Don't bother
> looking at these unless you have a particular interest in Kasenna
> LIVE.COM rtsp/mpeg2/udp (no rtp). Derk-Jan, maybe you might have
> a look at these if you have the time.

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