The shared archive was not loaded: libavfilter.so

[Nadolisova]

Hello.

I cannot start 2025 version SciLab with IPCV 4.5.0. Error is below:

=========================

Startup execution:
loading initial environment

Start IPCV 4.5.0
Image Processing and Computer Vision Toolbox for Scilab
2023 - Scilab Academy
Load macros
Load dependencies
""
"------------------------------------------------------"
"Error : Can not load some dependencies."
"link: The shared archive was not loaded: libavfilter.so: cannot open
shared object file: No such file or directory"
""
"------------------------------------------------------"
Load gateways
atomsLoad: An error occurred while loading 'IPCV-4.5.0':
exec: error on line #114: "addinter: The shared archive was not
loaded:
/home/nadofox/Downloads/scilab-2025.0.0/share/scilab/contrib/IPCV/4.5.0/sci_gateway/cpp//libgw_ipcv.so:
undefined symbol: _ZTVN2cv17FlannBasedMatcherE"

OS version:

Distributor ID: Ubuntu
Description: Ubuntu 20.04.6 LTS
Release: 20.04
Codename: focal

[mottelet]

Hello, can you uninstall the current version

atomsRemove IPCV

quit Scilab then update the list of available packages then reinstall with

atomsSystemUpdate
atomsInstall IPCV

Keep me informed wether the package load or not after the update.

S.

[Nadolisova]

Thank you!!! It works. :)))

Could you tell me if there is support of old versions IPCV?
I have package for 4.1.2.
But IPCV has certificate error on install.

===========================
--> atomsInstall IPCV
atomsDownload: The following file hasn't been downloaded:
- URL : 'https://atoms.scilab.org/toolboxes/IPCV/4.1.2/files/IPCV-4.1.2-linux64-61-bin.zip'
- Local location : '/home/nadofox/Downloads/scilab-6.1.1/share/scilab/contrib/IPCV/IPCV-4.1.2-linux64-61-bin.zip'
at line 244 of function atomsDownload ( /home/nadofox/Downloads/scilab-6.1.1/share/scilab/modules/atoms/macros/atoms_internals/atomsDownload.sci line 259 )
at line 314 of function atomsInstall ( /home/nadofox/Downloads/scilab-6.1.1/share/scilab/modules/atoms/macros/atomsInstall.sci line 330 )

--2025-02-22 10:53:09-- https://atoms.scilab.org/toolboxes/IPCV/4.1.2/files/IPCV-4.1.2-linux64-61-bin.zip
Resolving atoms.scilab.org (atoms.scilab.org)... 107.154.215.223
Connecting to atoms.scilab.org (atoms.scilab.org)|107.154.215.223|:443... connected.
ERROR: cannot verify atoms.scilab.org's certificate, issued by ‘CN=Sectigo RSA Domain Validation Secure Server CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB’:
Self-signed certificate encountered.
To connect to atoms.scilab.org insecurely, use `--no-check-certificate'.

Can I create new issue on old version?

PS: I don't know why it is so big font...