2011/12/21, Joerg-Cyril.Hoehle@t-systems.com Joerg-Cyril.Hoehle@t-systems.com:

Hi,

The 2008 audio guide recommends http://0pointer.de/blog/projects/guide-to-sound-apis.html "Do not use the snd_card_xxx() APIs. For enumerating use snd_device_name_hint() (and related functions). snd_card_xxx() is obsolete... Bluetooth audio are not included"

Is that correct advice?

The only correct item is "Bluetooth audio are not included"

AFAIK, snd_card_xxx() is not obsoleted

Wine still uses snd_card, so it knows only about "default" and "plughw:x,y". I believe that's wrong but don't know what should be used instead in order not to come up with a long list of artificial names mentioned in /usr/share/alsa/alsa.conf such as surround51 when the poor on-board card knows nothing but 16 bit stereo.

For those MATX size motherboard with 3 audio jacks at rear panel or those high-end notebook with 3 or 4 jacks

the user need to use "channel mode" or "smart5.1" to retask the two input pins for output for surroun51

http://git.alsa-project.org/?p=alsa-kernel.git;a=blob_plain;f=Documentation/...

do wine need AC3 pass-though SPDIF ? ( IEC958 )

It is still not clear how to find a valid HDMI device ?

I'm looking for a list of working devices on this machine, which likely should contain "default" (usually leading to PA on a recent Ubuntu machine), "plug:dmix" (PA getting out of the way when trying to use other devices), "hw:0,0" and presumably not much more.

Thank you for your help, Jörg Höhle