On Mon, 17 Dec 2001, Gerard Janssen wrote:
> Dear Jaroslav,
>
> Thanks for your fast reply.
>
> >> Hopefully this is the right place to ask the following question.
> >> I would like to access the front-and rear- speakers of a SBLive! Value card
> >> simulataneously. Is it possible to send independent data to each of them
> >> without using surround40, which requires interleaving of the samples in a
> >> proper way?
> >
> >Use 'front' and 'rear' PCM devices (for example: aplay -D 'rear' <file>).
>
> I know of this option, but I was not explicite enough in my question.
> I want to use it in combination with Anders Torget's FTT program BruteFIR.
> In his software I can address an output using the format "alsa;k,l,m" where
> k = card number, l = device number and m = subdevice number. In my case k =
> 0 and l = 0 (for the PCM device). When I use m = 0, the front channel is
> addressed. I tried a couple of other subdevice numbers, but I only got the
> front channel. Is there a possibility to address the rear channel is this way?
No and Anders doesn't follow the name semantics for the open functions.
Every program must allow to pass any device name otherwise the user is
restricted to use selected configurations only. Simply, it's not a problem
of ALSA but the given application.
Jaroslav
-----
Jaroslav Kysela <[EMAIL PROTECTED]>
SuSE Linux http://www.suse.com
ALSA Project http://www.alsa-project.org
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