[wdmaudiodev] Re: Finding and Locking USB Audio Device from Application
- From: "Daniel E. Germann" <deg@xxxxxxxx>
- To: <wdmaudiodev@xxxxxxxxxxxxx>
- Date: Fri, 31 Oct 2003 08:07:06 -0600
Hi, Mark.
I don't think there's a way to prevent a device from becoming the preferred
audio device. Take a look at this message thread in the wdmaudiodev
archives:
//www.freelists.org/archives/wdmaudiodev/03-2003/msg00014.html
-Dan
----- Original Message -----
> Date: Wed, 29 Oct 2003 16:38:59 -0800 (PST)
> From: Mark Miller <marklosangeles2003@xxxxxxxxx>
> Subject: [wdmaudiodev] Finding and Locking USB Audio Device from
Application
>
> Hopefully this post isn't too basic or off-topic for this mailing list.
>
> I have developed a composite HID / audio USB device. It enumerates
successfully and works. I am using the usbaudio.sys and hidusb.sys class
drivers and do not have any .inf files or overtly made any registry
additions or modifications for this device.
>
> But it becomes the preferred audio device and all audio goes through it.
I want my application to use the device exclusively and leave the preferred
audio device settings as the were before this USB device was plugged in.
Also, I don't want this device to show up as a choice in the mixer at all.
>
> Is there a simple sequence of code to do this or do I need to read scads
of information to figure it out?
>
> Any push towards a book, website, msdn location, etc. would be appreciated
if it cannot be answered easily in this mailing list.
>
> Thanks,
>
> Mark
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