[alsa-devel] Opening a PCM device in shared mode

[Clemens Ladisch]

Sayem Ahmed wrote:
> On 11/24/2011 11:31 PM, Clemens Ladisch wrote:
> > Is there a reason why your application needs to
> > duplicate this?
>
> Yes. Clients would like to install multiple sound cards into
> their system so that they can perform multiple VoIP calls at
> the same time.

Use snd_card_next() to enumerate cards.
To open the default device of a specific card, try device name
"default:CARD=x", but this won't work if the user has redefined
the "default" device definition.


Regards,
Clemens