Mailing List Archive: MythTV: Users

MythVideo Plugin won't work: unable to initialize plugin 'mythvideo'

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spacebass5000 at yahoo

Aug 8, 2007, 1:38 PM

Post #1 of 5 (621 views)
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MythVideo Plugin won't work: unable to initialize plugin 'mythvideo'

I am fooling around with MythTV and have it on a RHEL
5 box at the moment. I've installed MythTV from source
utilizing version 0.20. Everything so far has gone
fairly well except for playing videos.

I think I should point out that I do NOT have a
capture card installed yet. I am attempting to use
MythTV for only playback right now. I want to look at
its interface and see how it all works with regards to
the user experience prior to spending some money on a
capture card, new case, remote, and wireless
keyboard.mouse.

So anyway, I can play MP3's, look at pictures, check
the weather (sort of), browse news (sort of), and even
try to play games (don't have any right now). What I
CAN'T do is try to access the MythVideo plugin.

When I try to access the MythVideo plugin in any way,
I get an error. Granted, I don't get the error
displayed within the MythTV output. Nothing actually
happens when I try to access MythVideo. The error is
obviously sent to standard out.

It is as such:

2007-08-08 16:27:22.936 MythPlugin::Init() dlerror:
/usr/local/lib/mythtv/plugins/libmythvideo.so:
undefined symbol:
_ZN42_GLOBAL__N_videolist.cpp_00000000_DA2D03F817tree_view_to_flatERNS_13meta_dir_nodeERSt6vectorIP8MetadataSaIS4_EE
2007-08-08 16:27:22.966 Unable to initialize plugin
'mythvideo'.

I have reinstalled the MythVideo plugin several times
after performing a "make distclean". I can't seem to
figure out why this is breaking.

Hopefully one of you can help me. Thanks!

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awithers at anduin

Aug 8, 2007, 2:20 PM

Post #2 of 5 (596 views)
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Re: MythVideo Plugin won't work: unable to initializeplugin 'mythvideo' [In reply to]

> When I try to access the MythVideo plugin in any way,
> I get an error.
[...]
> _ZN42_GLOBAL__N_videolist.cpp_00000000_DA2D03F817tree_view_to_flatERNS_13m
> eta_dir_nodeERSt6vectorIP8MetadataSaIS4_EE

You are building from the 0.20 release tarballs, although they exist, and
are apparently often downloaded, you really should be building -fixes.

http://svn.mythtv.org/trac/changeset/11553

Which was committed to workaround 2561 (
http://svn.mythtv.org/trac/ticket/2561 ).

I disagree with https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=210129
and although Axel Thimm went out of his way to provide me with a place to
narrow it down, I never finished doing that. I still blame gcc though.

So try the patch in 11553, it should fix it. Better still, try building from
the -fixes branch.

--
Anduin Withers

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jedi at mishnet

Aug 8, 2007, 2:54 PM

Post #3 of 5 (572 views)
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Re: MythVideo Plugin won't work: unable to initializeplugin 'mythvideo' [In reply to]

>> When I try to access the MythVideo plugin in any way,
>> I get an error.
> [...]
>> _ZN42_GLOBAL__N_videolist.cpp_00000000_DA2D03F817tree_view_to_flatERNS_13m
>> eta_dir_nodeERSt6vectorIP8MetadataSaIS4_EE
>
> You are building from the 0.20 release tarballs, although they exist, and
> are apparently often downloaded, you really should be building -fixes.

If it's not a "release" then "I" personally shouldn't be building
from it as an end user. That is what "releases" are for. Same goes for
Ubuntu too. The svn snapshot madness needs to stop.

[deletia]

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william_munson at bellsouth

Aug 8, 2007, 3:09 PM

Post #4 of 5 (580 views)
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Re: MythVideo Plugin won't work: unable to initializeplugin 'mythvideo' [In reply to]

jedi[at]mishnet.org wrote:
>>> When I try to access the MythVideo plugin in any way,
>>> I get an error.
>>>
>> [...]
>>
>>> _ZN42_GLOBAL__N_videolist.cpp_00000000_DA2D03F817tree_view_to_flatERNS_13m
>>> eta_dir_nodeERSt6vectorIP8MetadataSaIS4_EE
>>>
>> You are building from the 0.20 release tarballs, although they exist, and
>> are apparently often downloaded, you really should be building -fixes.
>>
>
> If it's not a "release" then "I" personally shouldn't be building
> from it as an end user. That is what "releases" are for. Same goes for
> Ubuntu too. The svn snapshot madness needs to stop.
>
> [deletia]
>
>
The devs for myth have decided for better or worse that "releases" are
static snapshots taken on release day which is standard stuff but
instead of releasing a new higher version for each minor bug fix they
decided to make a -fixes branch in SVN which contains the release code
plus any bug fixes to the trunk SVN branch that also apply to the
release code. So feel free to compile the fixes branch knowing that you
are getting the best of both worlds.
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knowledgejunkie at gmail

Aug 8, 2007, 5:32 PM

Post #5 of 5 (580 views)
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Re: MythVideo Plugin won't work: unable to initializeplugin 'mythvideo' [In reply to]

On 08/08/2007, William Munson <william_munson[at]bellsouth.net> wrote:
> jedi[at]mishnet.org wrote:
> >>> When I try to access the MythVideo plugin in any way,
> >>> I get an error.
> >>>
> >> [...]
> >>
> >>> _ZN42_GLOBAL__N_videolist.cpp_00000000_DA2D03F817tree_view_to_flatERNS_13m
> >>> eta_dir_nodeERSt6vectorIP8MetadataSaIS4_EE
> >>>
> >> You are building from the 0.20 release tarballs, although they exist, and
> >> are apparently often downloaded, you really should be building -fixes.
> >>
> >
> > If it's not a "release" then "I" personally shouldn't be building
> > from it as an end user. That is what "releases" are for. Same goes for
> > Ubuntu too. The svn snapshot madness needs to stop.
> >
> > [deletia]
> >
> >
> The devs for myth have decided for better or worse that "releases" are
> static snapshots taken on release day which is standard stuff but
> instead of releasing a new higher version for each minor bug fix they
> decided to make a -fixes branch in SVN which contains the release code
> plus any bug fixes to the trunk SVN branch that also apply to the
> release code. So feel free to compile the fixes branch knowing that you
> are getting the best of both worlds.

I really think then that 0.20-fixes tarballs are made available by
default on the official MythTV downloads page:
http://mythtv.org/modules.php?name=Downloads&d_op=viewdownload&cid=1
instead of (or at least in addition to) the now 11-month old vanilla
0.20 tarballs.

As the -fixes branch contains fixes considered important enough to be
backported to the released code and not just SVN trunk, why not make
those fixes available to users downloading the tarballs directly from
the homepage?

--
Nick

MythTV Official wiki:
http://mythtv.org/wiki/
MythTV users list archive:
http://www.gossamer-threads.com/lists/mythtv/users

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