[mythtv-users] Problems with ffmpeg - error "ffmpeg: symbol lookup error: /usr/lib/libavcodec.so.51: undefined symbol: dlclose"

John Pilkington J.Pilk at tesco.net
Tue Jan 16 19:08:44 UTC 2007


Pierre Rochefort wrote:
> Hi,
>  
> I just upgraded my Myth box from Fedora Core 4 to Fedora Core 6. (Clean 
> install )
> The good news: After the upgrade, I was able to get my two Hauppauge 
> PVR-150s to work (FC4 wouldn't have it)
> The bad news: ffmpeg no longer starts correctly. It simply stops with 
> the following error message "ffmpeg: symbol lookup error: 
> /usr/lib/libavcodec.so.51: undefined symbol: dlclose".
>  
> I tried to remove ffmpeg and libavcodec51 (from atrpms) but no luck.
> Tried to add /usr/lib to ld.so.conf and run ldconfig. No luck
> I searched the web for a solution but nothing seems to fix it. The 
> thought has occured to me to recompile from source but without knowing 
> which option it was compiled with, I'm a little hesitant to do so.
>  
> Has anyone ever encountered this problem and how did you fix it?
> As always, if you don't want to flood the list, you can respond directly 
> to me.
>  
> Thank you.
> Pierre
This appeared recently on the atrpms-users list, with a bugzilla ref
that I can't activate at present.

> http://bugzilla.atrpms.net/show_bug.cgi?id=1033

Solution was to uninstall the x264 related packages from dries' repo and 
install the atrpms versions.  It worked for me on fc5.

John P


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