Re: Opposite of "type multi" plugin?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



At Thu, 31 Jan 2008 19:00:17 +0100,
Johannes Bauer wrote:
> 
> Adam Nielsen schrieb:
> 
> >>                                          /-- route -> A52
> >> default -> ... -> softvol -> duplicate -<
> >>                                          \-- hw0,0
> >>
> >> Where at hw0,0 my headphones are connected. How is such a setup possible?
> > 
> > Couldn't you use the multi plugin for this anyway?  If you bound "hw0,0"
> > and "route" in your diagram above to a single four-channel device, then
> > you could bind the incoming stereo signal to both the "front" and "rear"
> > speakers of the four channel device, effectively sending the same stereo
> > signal to the two devices.
> 
> Hmm, I really couldn't get it working. Turns out that the what I
> activate the IEC 958 output, the headphones are automatically disabled -
> when its deactivated, they're enabled. So there's really nothing I could
> do (even if I got routing through the multi plugin working, which I
> didn't - ALSA kept telling me "Device or resource busy").

Depends on the hardware.  Your descrption sounds like a CMIPCI.  In
that case, it's a bit hard to do that way because both outputs share
the same DAC.  So, the source must be exclusive.


Takashi

-------------------------------------------------------------------------
This SF.net email is sponsored by: Microsoft
Defy all challenges. Microsoft(R) Visual Studio 2008.
http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
_______________________________________________
Alsa-user mailing list
Alsa-user@xxxxxxxxxxxxxxxxxxxxx
https://lists.sourceforge.net/lists/listinfo/alsa-user

[Index of Archives]     [ALSA Devel]     [Linux Audio Users]     [Fedora Users]     [Fedora Desktop]     [Fedora SELinux]     [Big List of Linux Books]     [Yosemite News]     [Yosemite Photos]     [KDE Users]     [Fedora Tools]

  Powered by Linux