ffmpeg port

[Jan Beich]

(CC'ing appropriate public list. If you want me to care don't send private mails.)

Jason de Cordoba <jason at aventia.pw> writes:

> OMG
>
> Please stick with something stable and don't update this port 5-6 times
> a month.
>
> Thanks for your contributions to FreeBSD
>
> Have a great day,
>
> Jason

I mainly bump PORTREVISION when ABI changes. Bumping for non-default
options is a policy described in Porter's Handbook.

https://www.freebsd.org/doc/en/books/porters-handbook/makefile-naming.html#makefile-portrevision

Why not use binary packages? Or why not build a quarterly branch?
Or does anyone have better ideas?