Multiple consumers of /dev/dsp
Ulrich Spoerlein
spoerlein at informatik.uni-wuerzburg.de
Mon Jul 25 20:28:44 GMT 2005
On Thu, 21.07.2005 at 14:43:45 +0100, Josef Karthauser wrote:
> In the past I'm sure that we supported the mixing of audio in the kernel
> so that multiple applications could open /dev/dsp at the same time. Was
> this a function of the audio card driver, or of the audio subsystem?
> Currently on my new machine I don't get any mixing, and applications
> fail to open /dev/dsp if it's already open by something.
>
> Am I imagining that this use to the case or isn't it enabled by default?
You want to set hw.snd.pcm0.vchans=4 (or higher). The SB Live! has 4
hardware channels (not need to set anything) other cards only have one
channel and need the "virtual channel" setting.
Ulrich Spoerlein
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Ok, which part of "Ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn."
didn't you understand?
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