Original commit message from CVS:
patch by: Tristan Matthews <tristan@sat.qc.ca>
* ext/jack/Makefile.am:
* ext/jack/gstjack.c:
* ext/jack/gstjackaudioclient.c:
* ext/jack/gstjackaudiosink.c:
* ext/jack/gstjackaudiosink.h:
* ext/jack/gstjackaudiosrc.c:
* ext/jack/gstjackaudiosrc.h:
* ext/jack/gstjackringbuffer.h:
Add a jackaudiosrc. Refactor sink slightly for better code reuse.
Fixes #545197.