[Bug 28856] Crackling/popping sounds in Starcraft 2

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=28856

Vítor Ferreira <vitor.dominor at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |vitor.dominor at gmail.com

--- Comment #15 from Vítor Ferreira <vitor.dominor at gmail.com> 2012-02-17 21:56:40 CST ---
(In reply to comment #14)
> To everybody suffering from crackling sound,
> I'd like you to read bug #28723, comment #128 then perform the interactive
> render test
> cd dlls/mmdevapi/tests/ ; rm render.ok
> WINETEST_INTERACTIVE=1 make render.ok
> and report what you hear. Crackling or not? Case 1 2 or 3?
> Then apply attachment #38788 [details] from bug #28723. Repeat. How does it change?
> 
> >warn:alsa:alsa_read_data
> I've not yet looked much at capture.

I'm also affected by this issue in many of my games like Sins of a Solar Empire
Trinity, Star Trek Online, Tropico 4, Europa Universalis III and Crusader Kings
II. I'm running Fedora 16 with pulseaudio 1.1 and alsa stack 1.0.25 (from
drivers to alsa plugins). Compared to the previous versions of alsa and
pulseaudio, sound crackling is not so constant. It tends to appear after the
computer has been running for a while and I've run a game for some time.
Eventually the sound begins to crackle constantly, accompanied sometimes by
alsa underruns. Sometimes restarting pulseaudio helps.

I've ran the test you asked with the latest wine 1.4-rc4 and the output is
annexed to this bug report. What I heard did not change from before applying
the patch to after (I did recompile wine after applying it). First it was a
more or less continuous crackling and then it gave out more intermittent and
separate crackling sounds, particularly when it outputs in verbose mode
something like "Should play 1000ms continuous tone with fragment size (...)"

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