[Bug 9358] Low latency interactive buffers are not mixed properly in directsound

wine-bugs at winehq.org wine-bugs at winehq.org
Fri Apr 2 07:33:58 CDT 2010


http://bugs.winehq.org/show_bug.cgi?id=9358





--- Comment #21 from Maarten Lankhorst <m.b.lankhorst at gmail.com>  2010-04-02 07:33:56 ---
They are, sort of. Unfortunately alsa dmix uses power or 2 period sizes, and
since nobody has hardware mixing I used that function to find out how big a
period should be.

The current driver model doesn't allow me to know what the period size is, so I
use a rough approximation to keep it near 10 ms if the primary rate is 44100 or
48000 which it is by default. The real problem is that alsa dmix sucks, so I
have to work around its limitations. I really cannot when the expected latency
is <100ms, so Im stuck with an imperfect solution that works for most people.

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