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Cannot install vlc on bullseye

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  Cannot install vlc on bullseye "R. Ramesh" <rramesh@verizon.net> - 2021-10-16 06:10 +0200
    Re: Cannot install vlc on bullseye piorunz <piorunz@gmx.com> - 2021-10-16 07:00 +0200

#241362 — Cannot install vlc on bullseye

Hi,

   I am trying to install vlc and I get this error
> n-lata [rramesh] 284 > apt -s install vlc
> NOTE: This is only a simulation!
>       apt needs root privileges for real execution.
>       Keep also in mind that locking is deactivated,
>       so don't depend on the relevance to the real current situation!
> Reading package lists... Done
> Building dependency tree... Done
> Reading state information... Done
> Some packages could not be installed. This may mean that you have
> requested an impossible situation or if you are using the unstable
> distribution that some required packages have not yet been created
> or been moved out of Incoming.
> The following information may help to resolve the situation:
>
> The following packages have unmet dependencies:
>  libpostproc55 : Depends: libavutil56 (= 7:4.3.2-0+deb11u2) but 
> 10:4.4-dmo4+deb11u2 is to be installed
>  libswscale5 : Depends: libavutil56 (= 7:4.3.2-0+deb11u2) but 
> 10:4.4-dmo4+deb11u2 is to be installed
> E: Unable to correct problems, you have held broken packages.
I cannot understand why libpostproc55 will need a older version of 
libavutil56.  My sources.list is this

> deb http://ftp.us.debian.org/debian/ bullseye main contrib non-free
> deb-src http://ftp.us.debian.org/debian/ bullseye main
>
> deb http://www.deb-multimedia.org bullseye main non-free
> deb http://www.deb-multimedia.org bullseye-backports main
>
> deb http://security.debian.org/debian-security 
> bullseye-security/updates main
> deb-src http://security.debian.org/debian-security 
> bullseye-security/updates main
>
> # bullseye-updates
> deb http://ftp.us.debian.org/debian/ bullseye-updates main
> deb-src http://ftp.us.debian.org/debian/ bullseye-updates main

I also have these two rules in preferences.d/multimedia as in the past I 
had issues with same packages in both deb-multimedia and debian regular 
when I was told these rules will help.
> Package: *
> Pin: release o=Unofficial Multimedia Packages,n=bullseye
> Pin-Priority: 332
>
> Package: *
> Pin: release o=Unofficial Multimedia Packages,n=bullseye-backports
> Pin-Priority: 331

Any help appreciated.

Regards
Ramesh

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#241364

On 16/10/2021 04:52, R. Ramesh wrote:
>>
>> The following packages have unmet dependencies:
>>  libpostproc55 : Depends: libavutil56 (= 7:4.3.2-0+deb11u2) but
>> 10:4.4-dmo4+deb11u2 is to be installed
>>  libswscale5 : Depends: libavutil56 (= 7:4.3.2-0+deb11u2) but
>> 10:4.4-dmo4+deb11u2 is to be installed
>> E: Unable to correct problems, you have held broken packages.
> I cannot understand why libpostproc55 will need a older version of
> libavutil56.

libpostproc55 is from debian repo. It wants older, debian versions of
its deps. You want to force newer ones from multimedia repo.

Solution: Delete debian multimedia repo. That way you will have matching
versions for all packages. Or fix your pinned priorities, yours probably
don't work.

Verify this by:
apt-cache policy libavutil56

On my computer result is:
$ apt-cache policy libavutil56
libavutil56:
   Installed: 7:4.3.2-0+deb11u2
   Candidate: 7:4.3.2-0+deb11u2
   Version table:
  *** 7:4.3.2-0+deb11u2 500
         500 http://deb.debian.org/debian bullseye/main amd64 Packages
         100 /var/lib/dpkg/status

Your candidate will be most likely 10:4.4-dmo4+deb11u2, because you want
to force version from multimedia repo.

--
With kindest regards, Piotr.

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⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org
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