[FFmpeg-user] -f mkv cannot be used, why?

[Carl Eugen Hoyos]

Kieran O Leary <kieran.o.leary <at> gmail.com> writes:

> Is there any benefit to declaring '-f matroska' in 
> addition to declaring the output container format 
> in the form of 'output.mkv'?

Definitely not but sometimes you want that your 
mkv output file has the name "foo.bar"

Carl Eugen