How to Install FFmpeg on aaPanel CentOS 7
1.The RPM Fusion repository depends on the EPEL software repository. If the EPEL is not enabled on your system, enable it by typing:
sudo yum install epel-release
2.Next, enable the RPM Fusion repository by installing the rpm package
sudo yum localinstall --nogpgcheck https://download1.rpmfusion.org/free/el/rpmfusion-free-release-7.noarch.rpm
3.Once the repository is enabled, install FFmpeg
sudo yum install ffmpeg ffmpeg-devel
4.Verify the FFmpeg installation by checking its version
ffmpeg -version
5.Output current version of FFmpeg available in the RPM
ffmpeg version 3.4.8 Copyright (c) 2000-2020 the FFmpeg developers
built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-39)