[FFmpeg-user] symbol lookup error: /usr/local/lib/libavcodec.so.51: undefined symbol: faacDecOpen

[Jim Shupert]

Jim Shupert wrote:
>>> friends,
>>> I have attempted to reinstall ffmpeg.
>>> i now get the following with the simplest of commands
>>>
>>> js at VidCmp-7:~$ ffmpeg --formats
>>> ffmpeg: symbol lookup error: /usr/local/lib/libavcodec.so.51:
>>> undefined symbol: faacDecOpen
>>>
>>> if this is an unlinked lib -- how do i resolve ?
>>>
>>> i have ubuntu 8.04
>>> I was using 
>>> http://www.rorexperts.com/installing-ffmpeg-in-ubuntu-t889.html as a
>>> how to
>>>
>>>
>>> i see i 'have' a libavcodec.so.51
>>> type: Link to shared , location :library /usr/local/lib
>>>
>>> link target libavcodec.so.51.55.0
>>> and i have a libavcodec.so.51.55.0
>>> /usr/local/lib
>>>
>>> how can i resolve this?
>>>
>>> maybe i should  try a diffrent how to...
>>> maybe my problem stems from a previous install??- i was attempting to 
>>> get the 'latest'
>>>   ( i have heard that is a good idea )
>>>
>>> is this a known bug ( i saw *something* on launchPad )
>>>
>>> but basically how can i get going.
>>>
>>> and there is this when doing
>>>
>>> sudo apt-get install libavcodec-unstripped-51
>>> libavdevice-unstripped-52 libavformat-unstripped-52
>>> libavutil-unstripped-49 libpostproc-unstripped-51
>>> libswscale-unstripped-0
>>>
>>> Reading package lists... Done
>>> Building dependency tree       Reading state information... Done
>>> E: Couldn't find package libavcodec-unstripped-51
>>>
>>> so is that is I am missing libavcodec-unstripped-51 ---?
>>>
>>> note: i had added the repo of mediaubuntu.org  ( 87.98.242.110 )
>>>
>>>
>>> Thanks for any assistance!
>>>
>>> j
>>>     
>>>       
>> There are no lib*-unstripped packages available for 8.04.  Those are
>> 8.10 packages.  Remove the following: ffmpeg, liba52-0.7.4,
>> liba52-0.7.4-dev, libdts-dev, and libx264-dev.  Then follow this guide:
>>
>> HOWTO: Install and use the latest FFmpeg and x264
>> http://ubuntuforums.org/showthread.php?t=786095
>>
>> Medibuntu will provide nothing you need unless you want AMR.  Medibuntu
>> also provides a binary of FFmpeg, but it is old.
>>
>>   
>>     
> Thank You so very much!
> when you say:
>
> Remove the following: ffmpeg, liba52-0.7.4,
> liba52-0.7.4-dev, libdts-dev, and libx264-dev
>
> would that be done by
>
> sudo apt-get remove ffmpeg liba52-0.7.4 liba52-0.7.4-dev libdts-dev libx264-dev
>
> or would it be 1 at a time like 
> sudo apt-get remove ffmpeg
> sudo apt-get remove liba52-0.7.4
> etc
>
> and should i remove mediaubuntu as a repo or -- it just makes no difference regarding ffmpeg
>
> again - thanks!
>
>   

> FakeOutdoorsman... the apt-get remove is easy - no worries.
>   
i embarrass myself. my enthusiasm got away from me....
Your guide is excellent ! I am working my way through it now.