All,
We have wave driver that doesn't show any mixer devices under Vista RC-1, even when we do the following "compatibility" step:
"{Starting with RC1 (build 6500) you can activate the mixer shim by checking the "Run this program in compatibility mode for: XP (Service Pack 2)"."
This driver does not present a WDM audio interface. Instead, a DLL is loaded by entries in Drivers32 (wave and mixer) and this communicates via a custom interface to a kernel driver.
Our test application in this case is a simple console application that calls mixerGetNumDevs() and mixerGetDevCaps(). Thats all. We have added a call to GetVersionEx() to verify that the "shim" is running.
This raises some questions: 1) is compatibility mode supposed to work with DLLs, or does it expect a WDM audio interface ? 2) anyone else had issues similar to this one ? 3) any suggestions about what to test next ?
Thanks, Andrew
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