[wdmaudiodev] GUID's for MMDevices Render and Capture

  • From: "Markus Bollinger" <bollinger@xxxxxxxxxxxx>
  • To: <wdmaudiodev@xxxxxxxxxxxxx>
  • Date: Mon, 25 Jan 2010 18:39:53 +0100

Hi,
Sorry for my last empty post...

My question :

Can the driver (or the .inf file) decide about the values of the GUID's
created in

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\MMDevices\
Audio\Render ?

I ask this question because in XP the GUID's are created with just
incrementing the GUID by 1 for each device installed,
and under Vista and Win7 there is always a totally different value used.
As a result when you use DirectSoundEnumerate() the devices are ordered
by GUID and you have not the same behaviour under XP and Vista.

Markus.
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