[Bug 28413] Sound play in games and programs causes brief "pauses"

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=28413

--- Comment #38 from Jörg Höhle <hoehle at users.sourceforge.net> 2013-01-04 05:20:22 CST ---
>That's nearly a full tenth of a second between invoking and returning from
>PlaySound.
Please investigate further whether it's PlaySound, winmm/wave or mmdevapi that
causes such delays.  PlaySound uses waveOutReset+Wait so it already does its
best at trying to abort a currently playing sound.  As the bug appears to be
limited to *BSD and they all use wineoss, it's presumably long-lasting calls
into OSS that leak from wineoss to mmdevapi to winmm:wave* to PlaySound.

A tenth of a second doesn' look like much to me, but Lemmix shows that native
behaves differently.  We need some timing tests to find out whether the
winmm:wave* functions return very fast, so PlaySound does it too or whether
wave* may introduce delays that PlaySound hides.

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