ffmpeg build fails

[Lowell Gilbert]

Andriy Babiy <ABabiy at shaw.ca> writes:

> I found the header file in /usr/src/sys/sys directory. Actually, the 
> content of the folders looks the same. I'm not sure why the file was 
> missing in the /usr/include/sys.

Note that this means your system is installed improperly; soundcard.h
should definitely be in /usr/include/sys.  Now would be a good time to
do a periodic upgrade -- who knows what else you are missing...