[FFmpeg-user] "getting started" for libav users

[Roger Pack]

> Can I suggest that this is a good example of the way documentation should go:
>
> http://msdn.microsoft.com/en-us/library/windows/desktop/dd390352(v=vs.85).aspx
>
> I cite this not because it describes software that has a similar purpose to ffmpeg (though that doesn't hurt), but because I was able to understand and use directshow using that in a matter of a few hours, and directshow is a notoriously complex beast.

Yeah.  I kind of lack expertise to add more in depth instructions...if
somebody else has more knowledge then please by all means help us
flesh the page out :)
-r