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[Jonathan Thomas <Jonathan.Oomph@xxxxxxxxx>]

Hi Nick!  Here is what I would recommend.  I would un-install your main
version of ffmpeg, libavformat, etc...  I would then re-install the
ffmpeg, x264, and MLT .DEB Installers.

You should be able to run the command "ffmpeg" or "ffplay" and have it
successfully run.  If ffmpeg doesn't work, MLT will segfault.  If you
still get an error, I would recommend running this command "sudo
ldconfig".

For some reason, Ubuntu 8.10 has always given me issues with ffmpeg.
So... I guess, if you can't figure it out, then you might try a
VirtualBox Ubuntu 9.04 (at least to evaluate OpenShot).  Good luck.

-- 
ffmpeg from openshot-ffmpeg crashes undefined symbol
https://bugs.launchpad.net/bugs/442656
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Status in OpenShot Video Editor: New

Bug description:
Running openshot 0.9.43 on ubuntu 8.10 with the following all installed from debs yesterday:

Not sure what version of buildwizard?

nick@bilbo:~$ dpkg -l openshot*
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Cfg-files/Unpacked/Failed-cfg/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: uppercase=bad)
||/ Name Version Description
+++-=========================-=========================-==================================================================
ii openshot 0.9.43 OpenShot Video Editor is a free, open-source, non-linear video edi
ii openshot-ffmpeg git-2623d8f-1 Package created with checkinstall 1.6.1
ii openshot-frei0r 1.1.22-1 Package created with checkinstall 1.6.1
ii openshot-mlt 0.4.3-1 Package created with checkinstall 1.6.1
ii openshot-x264 0.67.1173-1 Package created with checkinstall 1.6.1

openshot-ffmpeg installs to /ussr/local/bin whereas ffmpeg installs to /usr/bin.

The openshot version of ffmpeg (and ffplay and ffserver) crash with the following message:

ffmpeg: symbol lookup error: ffmpeg: undefined symbol: avformat_alloc_context

I am guessing this is some incompatibility with libavformat52. Installed versions are:

ii  ffmpeg                    3:0.svn20080206-12ubuntu3 multimedia player, server and encoder
ii  libavformat52             3:0.svn20080206-12ubuntu3 ffmpeg file format library

ffmpeg in /usr/bin works fine.