[Bug 28723] Sound stutter in Rage when emulated windows version is set to "Windows 7" (XAudio2 -> mmdevapi sound output path)

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=28723

--- Comment #120 from Michael Cronenworth <mike at cchtml.com> 2012-01-03 22:44:46 CST ---
(In reply to comment #109)
> Although I've mentioned PA several times in this issue, I want it to not be
> about PA.  Thus I'd be grateful if you could take PA out of the equation.  I
> nevertheless want (even old) PA to work.

My apologies, but if this is the case I will refrain from further comments.
Fedora relies on PA now and removing it from my system would take time and
cause issues with some software.

> #4 vs #5 fuzz differences
> What happens if you take the 2x snd_pcm_drop patch out of #5?
> What if you include it in #4?
> Is that what causes the differences?

I have not run tests with and without some patches. Sorry.

> I assume you use the newest PA + alsa_plugs >= 1.0.24. It's interesting that
> you still mention trouble.  I'm using the outdated PA from Ubuntu Intrepid that
> is known to sometimes loose sound, sometimes after as much as 1h of play.

Yes. PA 0.9.23 and ALSA 1.0.24.

> >since sound changes in .30
> What do you mean? Removal of DSound hw acceleration?

In Wine 1.3.29 (and previous releases) I had perfect sound under any condition.
Wine >= .30 sound broke. As of .36 (that includes your patches so far) sound
works better, but it still breaks under some conditions as mentioned
previously.

> we'd need to know if the underrun was caused because audio was already
> disfunctional shortly before (normal padding&delay/position values) or whether
> high system load caused it.

I do hear my HD tick and SC2 pauses for a few milliseconds, so yes, high load
(at least high Wine load) does seem to create the underrun condition. Wine <=
.29 seemed to handle this just fine.

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