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Old 04-08-03, 02:02 PM   #1
Thecko
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Unhappy libXvMCNVIDIA shared object problems

Hi,

Sorry if this has been brought up already elsewhere but I did a search on the forums and I cannot find any reference to this..

I am currently trying to get wine setup on my slackware 8.0 box (kernel 2.4.18 / glibc-2.2.5-i386-2)

When I try to run wine I get the following error.

err:module:BUILTIN32_dlopen failed to load .so lib for builtin x11drv.dll: /usr/X11R6/lib/libXv.so.1: undefined symbol: _xvmc_create_context

(libXv.so.1 is a symbolic link to libXvMCNVIDIA.so.1.0.1491)

When inspecting the static library libXvMCNVIDIA.a I find that it does contain a reference to the symbol that wine is trying to load ..... Is this symbol missing from the shared library, or am I having some other problem here? I can envisage having to download the wine source and compile it myself, but I would prefer to use the package I have, as I'm a little time-restrained ... Does anybody have any ideas/suggestions?
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Old 04-08-03, 02:56 PM   #2
Thecko
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actually I have just double checked the static library I have and the symbol is undefined (whoops) ... Does anyone have any idea when this function will be implemented in the driver?
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Old 04-08-03, 03:14 PM   #3
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What does nm /path/to/libXvMCNVIDIA.so | grep _xvmc_create_context tell you? Is it listed there with a T or a t? Or does nm tell you the same thing it told me -- "no symbols"?

That might be part of the problem, if there are no symbols in the library...

Does anything useful come from a Google for Linux (that's www.google.com/linux) search for the function name?
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Old 04-08-03, 03:24 PM   #4
Thecko
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root@direct:/usr/X11R6/lib# nm libXvMCNVIDIA.so.1.0.4191 | grep create_context
nm: libXvMCNVIDIA.so.1.0.4191: no symbols


I tried searching on google et al first but found nothing useful, only a couple of references to people getting the same missing symbol while using .... nvidia video cards!
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Old 04-20-03, 08:44 PM   #5
Thecko
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Just re-querying if anybody has any ideas over this?
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Old 04-20-03, 10:37 PM   #6
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Well... my libx11drv.so file doesn't care about that symbol (it's also listed as unimplemented in the static library). So I have a feeling the best way to do it is going to be recompiling wine.

Where'd you get the wine binaries from?
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Old 04-21-03, 10:42 AM   #7
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Don't make a link from libXv.so.1 to libXvMC...
XvMC is not the same as XV.

XvMC is a new multimedia related library that provides mpeg2 acceleration and motion compensation. If it were used in a media player and your card supported it (needs a gf4mx or better) than it would decrease cpu usage...

Xv is a multimedia library used for hardware video overlay support. To say it a bit easier it is for example used to accelerate video playback. (scaling and so on)

To fix your problems use a real libXv and drop the link to libXvMCnvidia...
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