[Bug 28221] New: Severe sound stutter in games using OpenAL

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=28221

           Summary: Severe sound stutter in games using OpenAL
           Product: Wine
           Version: 1.3.19
          Platform: x86
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: winealsa.drv
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: knaprigt at gmail.com


At least some games using OpenAL (and probably also FMOD) have some severe
sound problems with Wine versions newer than 1.3.18. Wile cutscenes seem
unaffected the in game sound effects stutter a lot. I've tested this with both
Mafia 2 and Bioshock 2 but I wouldn't be surprised if more games using OpenAL
are affected. Sadly I have no way of testing if this is an ALSA-only problem or
if the same goes for OSS.

After doing a regression test this seems to be a result of the following
commit:

======

86e90c92af8134e1e2cd6d79aaa55e62ffe146b2 is the first bad commit
commit 86e90c92af8134e1e2cd6d79aaa55e62ffe146b2
Author: Andrew Eikum <aeikum at codeweavers.com>
Date:   Fri Apr 22 15:25:21 2011 -0500

    winealsa.drv: Add mmdevapi driver.

    Maarten Lankhorst also contributed to this driver.

:040000 040000 f318cafc55247f36cafeefcc13e1ad01bde7da9b
a2d6a962230f2f0ef6476b510b9f8adee5416c21 M    dlls

======

Prior to this commit the sound is fine.

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