[LAU] Play ALSA and OSS emulation simultaneously on same soudcard, is it posible?

Ismael Valladolid Torres ivalladt at gmail.com
Wed Sep 23 09:18:29 EDT 2009


I am running the attached .asoundrc. Works lovely for dmixing multiple
ALSA applications using the same soundcard. I'm having Firefox showing
a YouTube clip via Flash player, Audacious playing an audio file,
another video clip via mplayer, etc. All simultaneously no matter
which sample rate or frequency each one is using, as plug is also
being used.

What I am not being able to do is adding an OSS application to the
equation. If i.e. I start Audacious using ALSA, then mplayer using OSS
can't be heard. Also if I start Audacious using OSS, then mplayer
using ALSA can't be heard either. If I set both of them so they use
OSS, only the first one run obviously can be heard. If I set both so
they use ALSA both of them can be heard simultaneously in a flawless
way.

As OSS is not in fact OSS but an OSS emulation that uses ALSA, I
though that the same rules applied to a demixed ALSA application would
apply to an OSS application. But is seems this is not the case.

Am I doing something wrong? Is it even posible making ALSA and OSS
applications share a soundcard output simultaneously? Any ideas
welcome, so thanks in advance.

Cordially, Ismael
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