Unfortunately, the FFmpeg 5.1.4 in EPEL9 is too old for ffms2-5.0:
...
checking for FFMPEG... no
configure: error: Package requirements (libavformat >= 60.16.0 libavcodec >= 60.31.0 libswscale >= 7.5.0 libavutil >= 58.29.0 libswresample >= 4.12.0) were not met:

Package dependency requirement 'libavformat >= 60.16.0' could not be satisfied.
Package 'libavformat' has version '59.27.100', required version is '>= 60.16.0'
Package dependency requirement 'libavcodec >= 60.31.0' could not be satisfied.
Package 'libavcodec' has version '59.37.100', required version is '>= 60.31.0'
Package dependency requirement 'libswscale >= 7.5.0' could not be satisfied.
Package 'libswscale' has version '6.7.100', required version is '>= 7.5.0'
Package dependency requirement 'libavutil >= 58.29.0' could not be satisfied.
Package 'libavutil' has version '57.28.100', required version is '>= 58.29.0'
Package dependency requirement 'libswresample >= 4.12.0' could not be satisfied.
Package 'libswresample' has version '4.7.100', required version is '>= 4.12.0'

Current rawhide branch builds fine on EPEL10, though.

This bug appears to have been reported against 'rawhide' during the Fedora Linux 45 development cycle.
Changing version to 45.