[Bug 51921] Audio problems and crashes with Unreal Engine 4 due to error in F3DAudio.c:349

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=51921

--- Comment #7 from Rémi Bernon <rbernon at codeweavers.com> ---
Sure, but then it's actually pretty much an Unreal Engine bug, as they should
use this API the way it's supposed to be, and not trigger assertions.

>From the Unreal Engine source I can see that they check the audio device
properties to get the initial channel mask, but then hardcode the number of DSP
settings channels to 6, regardless of how many channels were specified at
initialization.

I also checked with debug native DLL from the DirectX SDK that this assertion
is genuine, and an exception is raised (and explicit debugstr messages
printed), so all Unreal Engine games would also fail here.

I think the only correct thing to do here is to build Wine FAudio with
assertions disabled, and that would restore the original behavior.

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