[Bug 311853] [NEW] OpenAL Broken in Jaunty

[nullack]

Public bug reported:

Binary package hint: libao-pulse

As part of my testing of Jaunty, I have discovered that OpenAL
applications have broken sound. Sound playback is distorted and
scratchy. Other users with default Jaunty configurations are replicating
the problem. So far, I have tried Warzone 2100 and Glest as applications
using OpenAL.  Another tester reported that he does not replicate the
problem on the current GIT revision of pulse audio.

Doing a pkill pulseaudio; sleep 2; pulseaudio -vv it is seen that
underruns occur and sound is rewound while OpenAL apps are trying to be
run:

D: sink.c: Processing rewind...
D: sink-input.c: Have to rewind 64568 bytes on render memblockq.
D: protocol-native.c: Requesting rewind due to end of underrun.
D: module-alsa-sink.c: Requested to rewind 65536 bytes.
D: module-alsa-sink.c: Limited to 168 bytes.
D: module-alsa-sink.c: before: 42
D: module-alsa-sink.c: after: 42
D: module-alsa-sink.c: Rewound 168 bytes.
D: sink.c: Processing rewind...
D: sink-input.c: Have to rewind 168 bytes on render memblockq.
I: module-alsa-sink.c: Underrun!
D: protocol-native.c: Requesting rewind due to end of underrun.
D: module-alsa-sink.c: Requested to rewind 5504 bytes.
D: module-alsa-sink.c: Limited to 308 bytes.
D: module-alsa-sink.c: before: 77
D: module-alsa-sink.c: after: 77
D: module-alsa-sink.c: Rewound 308 bytes.
D: sink.c: Processing rewind...
D: sink-input.c: Have to rewind 308 bytes on render memblockq.
I: module-alsa-sink.c: Underrun!
D: module-suspend-on-idle.c: Sink alsa_output.pci_1102_4_sound_card_0_alsa_playback_ 0 becomes idle.
D: module-alsa-sink.c: hwbuf_unused_frames=0
D: module-alsa-sink.c: setting avail_min=65185
D: module-alsa-sink.c: Requested to rewind 65536 bytes.
D: module-alsa-sink.c: Limited to 204 bytes.
D: module-alsa-sink.c: before: 51
D: module-alsa-sink.c: after: 51
D: module-alsa-sink.c: Rewound 204 bytes.
D: sink.c: Processing rewind...

** Affects: libao-pulse (Ubuntu)
     Importance: Undecided
         Status: New

-- 
OpenAL Broken in Jaunty
https://bugs.launchpad.net/bugs/311853
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