[Bug 43652] New: Engine Prime: no playback of tracks

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=43652

            Bug ID: 43652
           Summary: Engine Prime: no playback of tracks
           Product: Wine
           Version: 2.15
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: wine-bugs at winehq.org
          Reporter: smidge at xsco.net
      Distribution: ---

Created attachment 59079
  --> https://bugs.winehq.org/attachment.cgi?id=59079
Log file demonstrating no playback and no audio devices

Engine Prime is a music preparation application targeted at DJs who use Denon's
latest hardware.  It can be downloaded at http://www.denondj.com/engineprime

Engine Prime 1.0.0 starts up successfully if d3dcompiler_46.dll and
d3dcompiler_47.dll are disabled.  If a track is added to the collection, and
then played, there is no playback.  No errors are recorded.

Steps to reproduce:

* Clean wine prefix.
* Install Engine Prime 1.0.0 (link above)
* Copy an MP3 file of your choice to somewhere under drive_c.
* Copy another MP3 file of your choice to somewhere else on your filesystem
accessible via a drive mapped in Wine, e.g. the Z: drive
* Start Engine Prime as follows:
env WINEDLLOVERRIDES="d3dcompiler_46.dll=d;d3dcompiler_47.dll=d" wine
~/.wine/drive_c/Program\ Files\ \(x86\)/Engine\ Prime/EnginePrime.exe
* Navigate to the filesystem browser
* Choose an example track (at the time of writing, the file must be under C:
drive - see bug #43651)
* Right-click, choose Add To Collection
* Double-click the file to load it into the deck
* Allow track analysis to complete if it is still going
* Press play

Expected outcome: the track plays
Actual outcome: the application does not play the track, nor give any
indication that it is playing or trying to play the track

Additional observations:
* Navigate to the Preferences screen (the cog icon in the top right)
* Observe that the "Default Device" for audio output is selected, but no info
about bit depth or sample rate are shown.
* Testing sound through winecfg demonstrates that sound does work in other wine
applications


A terminal log capture is attached.  The only line which suggests anything
suspicious is the following, which is printed 20 times in a row when the
application first starts up:

fixme:mmdevapi:MMDevice_Activate IID_IDeviceTopology unsupported

mmdevapi is one of the DLLs for the Core Audio API:
https://msdn.microsoft.com/en-us/library/windows/desktop/dd316602(v=vs.85).aspx

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