[linux-audio-user] ALSA -> OSS mapping question for Delta 1010LT card

[Clemens Ladisch]

Akos Maroy wrote:
> I want to record multiple, unrelated audio streams that overlap in time
> but do not necessarily stop and start at the same time. Imagine radios,
> each tuned to a different station, plugged in to each audio input on the
> audio card.
>
> I have an existing application, which uses OSS interfaces, which will do
> what I want if I can just configure ALSA to create a different emulated
> OSS sound device for each input channel on the sound card. (Or, perhaps
> for stereo pairs of input channels). So, is there a way to configure
> ALSA to do this, and if so, what is it?

It should work if you use the aoss script from the alsa-oss package
which maps /dev/dspX to an ALSA PCM device named dspX, and define
these devices as capture devices for the desired channels with the
dsnoop plugin.


HTH
Clemens