[Bug 20016] New: USB audio device only visible to if VirtualBox is running a virtual machine

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=20016

           Summary: USB audio device only visible to if VirtualBox is
                    running a virtual machine
           Product: Wine
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: richardg1952 at yahoo.com


System: Fedora 11
wine-1.1.23-1.fc11.i586
ION TTUSB05 USB Turntable
VirtualBox-3.0.6_52128_fedora11-1.i586
Acoustica SpinitAgain (LP to CD or mp3)

I purchased the SpinItAgain software to accelerate the process of converting my
+1,000 album collection to mp3. I'd started with Audacity and the USB
turntable, but it is a laborious process. SpinItAgain looked promising since it
could look up album info on the web.My concern was, would wine be able to
access the USB turntable. I installed SpinItAgain and everything worked right
out of the box.
It would crash every few days, but it would restart and I would carry on. 
Two days ago the program crashed and could no longer see the USB turntable.
I tried rebooting the Fedora 11 host, re-plugging the USB cable, nothing made
the USB turntable visible in wine. I was invoking winecfg, selecting  the audio
tab and checking wave input under ALSA to see if the turntable was visible.

In frustration I started a VirtualBox Windows XP guest with the intention of
moving the SpinItAgain to VB. XP under Virtual Box is horribly slow so while
waiting for XP to boot, I ran winecfg again and to my amazement the USB
turntable was again visible in wave in AlSA. I had been running a Fedora 10
guest in VirtualBox and only shut it down about the time wine lost access to
the USB turntable.
To confirm that VirtualBox is the magic trigger. I shut down the VirtualBox XP
session and checked winecfg - the USB Audio disappears. I then started a Fedora
10 guest under VirtualBox, re-checked winecfg and USB Audio was again under
wave in ALSA. With this setup SpinItAgain is working once more.

If I hadn't already had VirtualBox running when I originally installed
SpinItAgain the USB turntable would not have been visible in wine and I would
have assume the program was unusable through wine with the USB turntable.

It's worrisome that an apparently unrelated application running has such a
major impact wine's ability to access a piece of hardware. As this is audio,
and the weirdness of pulseaudio coming in to replace ALSA is causing a plethora
of problems, I don't feel confident that this workaround will continue to work.

Hopefully this information will be useful to the wine developers.

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