This bug was fixed in the package openal-soft - 1:1.10.622-1ubuntu1
---------------
openal-soft (1:1.10.622-1ubuntu1) lucid; urgency=low
* alsoftrc.sample: Prefer pulse to the alsa and port drivers
(LP: #503780)
-- Daniel T Chen <[email protected]> Thu, 07 Jan 2010 21:27:57 -0500
** Changed in: openal-soft (Ubuntu)
Status: Confirmed => Fix Released
--
OpenAL Soft doesn't work with PulseAudio (Ubuntu's default sound system)
https://bugs.launchpad.net/bugs/503780
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Status in “openal-soft” package in Ubuntu: Fix Released
Status in “pulseaudio” package in Ubuntu: Confirmed
Bug description:
OpenAL Soft (the default OpenAL implementation) causes troubles in combination
with PulseAudio that is used by default on the Ubuntu desktop. These troubles
can be very different going from just no sound to crashes and freezes of apps
that use OpenAL (mostly games).
The root cause for this seems to be that OpenAL Soft doesn't use it's new pulse
output on systems with pulse running (
http://www.pulseaudio.org/wiki/PerfectSetup#OpenALApplications ) and/or the
pulse output is a bit buggy. So instead of using Pulse directly (& correctly)
it uses ALSA as it's output and because ALSA also has a pulse plugin the sound
is routed to PulseAudio and then back to ALSA. But this seems to be buggy, in
Ubuntu at least ;).
I did this new report to synergize all the efforts of the various reports about
this issue, so there is already plenty of information on the different troubles
and on suggested solutions in the duplicates. That's why we should try to stay
focused here.
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