defining sound card in xorg.conf

[Alexey I. Korepanov]

Hello.

I would be very much interested in a proper solution for this.

Best

18.06.2012, 19:45, "Yan Seiner" <yan at seiner.com>:
> You can do something similar with alsa + udev; you just have to create
> fixed device names using udev, and then write a script that sets the
> default alsa device to the appropriate fixed name based on the DISPLAY
> variable.
>
> On Mon, June 18, 2012 8:00 am, StompDagger1 at yahoo.com wrote:
>
>>  Thanks for the input but using pulseaudio is not an option.
>>
>>  An wise Scandinavian old man once said: "in the end, everything is going
>>  to be alright"
>>
>>  ________________________________
>>   From: linux-service.be bvba <guy at linux-service.be>
>>  To: xorg at lists.x.org
>>  Sent: Monday, June 18, 2012 5:56 PM
>>  Subject: Re: defining sound card in xorg.conf
>>
>>  start such script when user is logging in:
>>
>>  #!/bin/bash
>>
>>  # in order to match a screen-set to a pulseaudio sink :
>>
>>  if [ "$DISPLAY" ]
>>  then
>>      if [ "$DISPLAY" = ":1" ]
>>      then
>>  sleep 3
>>        pacmd "set-default-sink
>>  alsa_output.usb-0d8c_C-Media_USB_Headphone_Set-00-Set_1.analog-stereo"
>>  pulseaudio -D
>>      fi
>>      if [ "$DISPLAY" = ":2" ]
>>      then
>>  sleep 3
>>          pacmd "set-default-sink
>>  alsa_output.usb-0d8c_C-Media_USB_Headphone_Set-00-Set.analog-stereo"
>>  pulseaudio -D
>>      fi
>>  if [ "$DISPLAY" = ":3" ]
>>      then
>>  sleep 3
>>          pacmd "set-default-sink
>>  alsa_output.usb-0d8c_C-Media_USB_Headphone_Set-00-Set_2.analog-stereo"
>>  pulseaudio -D
>>      fi
>>  fi
>>
>>  ofcourse edit script with your sound devices and find out where the sound
>>  is going to( at which display).
>>  Make sure the user's /home/user/.pulse is empty upon login.
>>  Enjoy
>>  guy
>>>  Hi,
>>>  Actually it goes out of scope space of X.
>>>  You should ask to sound system developers, how i can set default sound
>>>  card according to my environment variables with multiple sound cards
>>>  on board.
>>>
>>>  Here is little outdated link:
>>>  http://perso.nnx.com/pludov/sessiond/
>>>
>>>  This tool will replace sound device files like /dev/dsp* with links to
>>>  each sound card files
>>>  depending of DISPLAY variable.
>>>
>>>  Aivils
>>>
>>>  Citējot "StompDagger1 at yahoo.com" <stompdagger1 at yahoo.com>:
>>>>  Hello,
>>>>
>>>>  Thanks for the replay but I'm not sure how this answers my question.
>>>>  using xorg I can "seats", e.g. xorg will run a session limited to a
>>>>  specific combination of gpu, screen, keyboard and mouse.
>>>>  I just want to add sound card to it.
>>>>
>>>>  An wise Scandinavian old man once said: "in the end, everything is
>>>>  going to be alright"
>>>>
>>>>  ________________________________
>>>>
>>>>   From: Giuseppe Penone <giuspen at gmail.com>
>>>>
>>>>  To: "StompDagger1 at yahoo.com" <stompdagger1 at yahoo.com>
>>>>  Cc: "xorg at lists.freedesktop.org" <xorg at lists.freedesktop.org>
>>>>  Sent: Monday, June 18, 2012 9:31 AM
>>>>  Subject: Re: defining sound card in xorg.conf
>>>>
>>>>  for usb audio cards there's a good explanation here
>>>>  https://help.ubuntu.com/community/UbuntuStudio/UsbAudioDevices
>>>>
>>>>  anyway to make it simple:
>>>>
>>>>  1) check that your system recognized the usb audio:
>>>>  cat/proc/asound/cards
>>>>
>>>>  2) set the desired card as default used:
>>>>  sudo nano  /etc/modprobe.d/alsa-base
>>>>  go to the bottom and change the index of the default card from -2 to 0
>>>>
>>>>  cheers.
>>>>
>>>>  On Sat, Jun 16, 2012 at 10:54 PM, StompDagger1 at yahoo.com
>>>>  <stompdagger1 at yahoo.com> wrote:
>>>>
>>>>  Hello All,
>>>>>  I'm about to reinstate my 3 way multiseat configuration (2 seats
>>>>>  and one for the tv), up until now I didn't used the sound cards but
>>>>>  now as I got a usb sound card I want to add sound support.
>>>>>
>>>>>  is there a way to define in xorg.conf what sound card will be used
>>>>>  by what seat?
>>>>>
>>>>>  Thanks.
>>>>>
>>>>>  An wise Scandinavian old man once said: "in the end, everything is
>>>>>  going to be alright"
>>>>>  _______________________________________________
>>>>>  xorg at lists.x.org: X.Org support
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>>>>  _______________________________________________
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>>  _______________________________________________
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