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Re: Missing Shared Object File for ffmpeg




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On Mon, Mar 19, 2018 at 09:38:57PM -0400, Dan Norton wrote:
> I have two stretch systems, named deb4 and deb9. Both were installed
> via netinst, have the latest apt update; apt upgrade, and report:
> 
> $ uname -v
> #1 SMP Debian 4.9.82-1+deb9u3 (2018-03-02)
> 
> Several attempts to install ffmpeg on deb9 have appeared to succeed,
> but ffmpeg with various options consistently reports:
> 
> ffmpeg: error while loading shared libraries: libopenal.so.1: cannot
> open shared object file: No such file or directory

[...]

> # apt search openal
> ...and saw that it contains libopenal.so.1 but:
> # apt install openal
> E: Unable to locate package openal
> 
> What do I need to do to figure out what's wrong with deb9?

Try "apt-file search" (in package apt-file):

  tomas@trotzki:~$ apt-file search libopenal.so.1
  libopenal1: /usr/lib/x86_64-linux-gnu/libopenal.so.1
  libopenal1: /usr/lib/x86_64-linux-gnu/libopenal.so.1.17.2

I guess libopenal gets loaded on-demand as a plugin. Are you
sure you are trying the same video on both systems? Otherwise,
I don't have an idea on what could cause this difference.

Cheers
- -- tomás
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