Comment 442 for bug 371897

(In reply to comment #324)
> As far as I know Andrew Eikum had recently finished dsound re-implementation
> over mmdevapi. So looks like it's time to request for status update on this
> bug. Stefan, Andrew, what are the plans for the future regarding Wine
> interactions with PulseAudio? Would it be separate mmdevapi backend like one
> that was "mostly working" from Maarten Lankhorst's git or should end-user stick
> with mmdevapi alsa backend and rely on pulseaudio alsa-plugin to do the job?
> Thanks in advance for clarifications.

Yes, PulseAudio is supported through its ALSA compatibility plugin. It's possible that a PulseAudio driver might happen at some point, but there's no plans for one at the moment.
There's some more information here: <http://wiki.winehq.org/Sound>