[Bug 5269] New: err:dsound:DSOUND_MixInBuffer length not a multiple of block size

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=5269

           Summary: err:dsound:DSOUND_MixInBuffer length not a multiple of
                    block size
           Product: Wine
           Version: 0.9.13.
          Platform: PC
               URL: http://pastebin.com/729185
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: wine-binary
        AssignedTo: wine-bugs(a)winehq.org
        ReportedBy: nickretallack(a)gmail.com


When I run Cave Story (http://agtp.romhack.net/doukutsu.html) it plays very
well, but there are two problems.  One is that it doesn't render the graphical
transition between scenes, but I don't really care about that.  The other is the
sound.

The sound plays, but it isn't right-- notes are held too long into rests, and
notes that are close together interfere constructively making really loud spikes
every once in a while.

Wine constantly prints messages to console that look like this:
err:dsound:DSOUND_MixInBuffer length not a multiple of block size, len = 7301,
block size = 2

I have tried running this with alsa, oss, and even jack driving alsa-- either
way I see exactly the same results.

This is quite a common problem-- I can find forum posts about many different
games by googling this error message.

note: this game generates sound using Pixel's own midi-ish format, .org, which
is built into the game.  However, it's not the only game that generates these
errors.

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