[Bug 22880] Lemmix sound effects are missing

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=22880

--- Comment #30 from Raymond <superquad.vortex2 at gmail.com> 2010-10-27 18:49:56 CDT ---
(In reply to comment #27)
> >it is possible to hack oss
> The Wine project does not need a hack, it needs somebody with some ALSA and/or
> OSS knowledge and preferably access to machines with different sound cards to
> sit down and write robust code to use several units, using dwUser for keying. 
> It was done for MacOS' Core Audio last year, it can be done for ALSA and OSS.
> I don't know whether Maarten Lankhorst's ongoing openal work would make such
> effort futile.
> 
> David or some admin, please mark as duplicate (and possibly add the keyword
> "source", as there's a URL for Lemmix' Delphi source code on the AppDB page).
> I consider this issue a duplicate because it's about MMSYSERR_ALLOCATED being
> returned from a second waveOutOpen.  The difference with the other application
> is that this failure does not cause the app to crash or exit.

just need to define DSP_CAP_MULTI since the code is already in 

http://git.alsa-project.org/?p=alsa-kernel.git;a=blob;f=sound/core/oss/pcm_oss.c

your sound card support DSP_CAP_MULTI when it has more than one playback
subdevice 

1929 #ifdef DSP_CAP_MULTI
1930         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
1931                 if (substream->pstr->substream_count > 1)
1932                         res |= DSP_CAP_MULTI;
1933 #endif

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