Pass audio_output objects around instead of void pointers. This will
give some more control to the plugin, and prepares for non-blocking
audio outputs.
Using libffado, to play on firewire audio devices.
Warning: this plugin was not tested successfully. I just couldn't
keep libffado2 from crashing. Use at your own risk.
For details, see my Debian bug reports:
http://bugs.debian.org/601657http://bugs.debian.org/601659