moc does not compile with ffmpeg-5

Forums:

MOC version: 
2.6-alpha3

Hi,
it appears that moc does not compile with ffmpeg5
see gentoo open bug

https://bugs.gentoo.org/834393

It's a known issue and at first look it doesn't seem to be a major fix. But my time is very limited at present and it may not be addressed for a short while.