http://bugs.winehq.org/show_bug.cgi?id=22261
--- Comment #10 from Raymond superquad.vortex2@gmail.com 2011-04-12 18:13:01 CDT --- As you can see in winepulse, it also support multiple waveoutopen
Version 0.29 (18/07/2009)
* Change the way dwUser is cast to a WINE_WAVEINST.