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

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

--- Comment #25 from Raymond   2010-04-07 20:16:02 ---
(In reply to comment #21)
> 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.

please note that even wine use alsa "default" device does not imply all sound
cards are configured to use dmix

http://git.alsa-project.org/?p=alsa-lib.git;a=blob_plain;f=src/conf/cards/CS...

# default with plughw
# CS46xx supports multi-playback

CS46xx.pcm.default {
    @args [ CARD ]
    @args.CARD {
        type string
    }
    type asym
    playback.pcm {
        type plug
        slave.pcm {
            @func concat
            strings [ "hw:" $CARD ]
        }
    }
    capture.pcm {
        type plug
        slave.pcm {
            @func concat
            strings [ "hw:" $CARD ]
        }
    }
}