[Openal] Using more than soundcard (w/o own DLL) at the same time

Daniel PEACOCK dpeacock at creativelabs.com
Tue Aug 28 11:22:15 PDT 2007





Hi,

> > Is it possible to use both of these sound cards at the same time at
all? Or
> > do I have to fall back to a (non-preferred, believe me ;-) )
> > DirectSound-based implementation of my application? If so, how is the
> > situation with Linux? Will I be able to use OpenAL there like described
> > above?
> >
>
> Supposedly on the most recent Creative SDK, there's a new extension
> called ALC_ENUMERATE_ALL_EXT, which will give you the ability to
> enumerate individual cards ("Generic Hardware on Sigmatel Audio", for
> example).  I've not used it myself, so I'm not sure how it works, but
> Daniel Peacock from Creative just commented on it on the list yesterday.

Exactly right.   The latest OpenAL SDK on
http://developer.creative.com/articles/article.asp?cat=1&sbcat=31&top=38&aid=45
 includes example code that shows how to use the new "Enumerate All"
extension.  You will need the latest OpenAL run-time components (included
in the SDK) to use this feature.

Dan



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