if something similar is needed for audio filter2 ... I don't think it
is)

code from ILEoo (not sure what this actually does)

Patch by Rov Juvano. thanks.

This removes dummy wakeups, and fixes a deadlock when quitting while
reading from a FIFO.

to produce well-formed pkg-config files.

Require it in configure as well.

This seems to solve the invalid handle problem, as pointed out by
Laurent. However, I get a poststamp-sized video output now...

until someone manages to fix it.

That would need to be properly fix with the new embedded vout API

Except that this still returns an X11 invalid handle