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[Bug 1075479] Re: libao defaults to ALSA output, should probably use Pulseaudio

 

This is still a problem in Ubuntu 14.04 (and I'm sure in 14.10 as well).
Your suggested change is noted in the Arch Wiki:

https://wiki.archlinux.org/index.php/PulseAudio#libao

Of course, I had to put a comment ('#') in my config, which helpfully is
broken:

https://trac.xiph.org/ticket/1971

** Bug watch added: Xiph.org Trac #1971
   http://trac.xiph.org/ticket/1971

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https://bugs.launchpad.net/bugs/1075479

Title:
  libao defaults to ALSA output, should probably use Pulseaudio

Status in libao package in Ubuntu:
  Confirmed

Bug description:
  When playing sound from an application that uses libao on Ubuntu 12.04
  (for example, pianobar), it blocks any other sound-playing application
  from playing audio (for example, Firefox on YouTube).  A little
  digging showed that /etc/libao.conf sets default_driver=alsa, changing
  this to default_driver=pulse makes simultaneous audio from multiple
  programs work perfectly.

  1) Ubuntu 12.04
  2) libao-common 1.1.0-1ubuntu2
  3) Expected audio to play from several apps simultaneously
  4) Apps using libao block the sound card so that no one else can play sound

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