Aaugh! Sound devices changed again!

[Ian Malone]

On 2 September 2015 at 12:27, Tom Horsley <horsley1953 at gmail.com> wrote:
> Every single fedora release, and sometimes even just from
> an update where there wasn't a full release, the sound
> devices get renumbered or renamed. The last time I
> tried to play a movie and send the sound to the optical
> output connected to my receiver, this worked:
>
> pacmd set-card-profile 1 off
> mplayer -vo gl_nosw -ao alsa:device=hw=1.1 -ac hwdts,hwac3, -monitoraspect 16:9 -fs "$@"
>
> I tried it last night for the first time in a while, and
> it doesn't work. I've had to fiddle this script over and
> over again every time sound devices change.
>
> When are we going to get immutable names for sound devices?
> If they can do it for ethernet ports, surely they can
> do it for sound cards, right? (Though come to think of it
> the "immutable" ethernet port names change in every release
> as well :-).
>

cat /proc/asound/cards
 0 [PCH            ]: HDA-Intel - HDA Intel PCH
                      HDA Intel PCH at 0xf6420000 irq 82
 1 [NVidia         ]: HDA-Intel - HDA NVidia
                      HDA NVidia at 0xf6080000 irq 36

The text in [] can be used as an alsa device name. You can still add
the "," for sub devices.

-- 
imalone
http://ibmalone.blogspot.co.uk