[Bug 37890] New: MCI 24bit .wav playback on top of pulseaudio (both with winealsa.drv,winepulse.drv) broken

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=37890

            Bug ID: 37890
           Summary: MCI 24bit .wav playback on top of pulseaudio (both
                    with winealsa.drv,winepulse.drv) broken
           Product: Wine
           Version: unspecified
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: winmm&mci
          Assignee: wine-bugs at winehq.org
          Reporter: jonas.th at web.de
      Distribution: ---

Created attachment 50462
  --> https://bugs.winehq.org/attachment.cgi?id=50462
output of: pacmd list-sinks

MCI 24bit .wav playback on top of pulseaudio (both with
winealsa.drv,winepulse.drv) appears to be broken. A minimal test case with the
necessary C code (<30 lines), the resulting .exe (compiled with MinGW) and a
test .wav file is attached.

The resulting test case:
* works on all Windows 7 64bit machines tested
* breaks with winealsa.drv on top of pulseaudio
* breaks with winepulse.drv on top of pulseaudio
* works with winealsa.drv on top of alsa (without pulseaudio)
* works if the file is converted to a 16bit .wav file

Furthermore, the attached output of pacmd list-sinks appears to show that
pulseaudio doesn't advertise 24bit capabilities - so wine probably mistakenly
tries to use 24bit audio with pulseaudio without support for that being
present.

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