[wdmaudiodev] Re: Device enumeration and filtering.

  • From: Anton Shpakovsky <anton.shpakovsky@xxxxxxxxx>
  • To: wdmaudiodev@xxxxxxxxxxxxx
  • Date: Wed, 25 May 2011 15:35:21 +0700

Yep, i've done it.
But the devicepath value is actually not clear for me..

That's what I receive from my MSVAD based microphone:

And Virtual Cable for example returnes:

AFAIK, 6994ad04-93ef-11d0-a3cc-00a0c9223196 stands for KSCATEGORY_AUDIO.
While "...\wave" simply represent the wave filter for the driver, correct? I
still do not get how to identify exactly my driver.. Or may be I can/must
change the wave filter name? I doubt..


On Wed, May 25, 2011 at 1:31 PM, Robert Bielik <robert.bielik@xxxxxxxxxx>wrote:

> Robert Bielik skrev 2011-05-25 08:27:
>> How do you get the "FriendlyName" property ? Try getting the "DevicePath"
>>> property instead. Here
>>> http://msdn.microsoft.com/en-us/library/dd377566(v=vs.85).aspx, I can
>>> see that
>>> "DevicePath" is available (although the doc says its for video capture
>>> devices only... I wonder...)
>> If "DevicePath" doesn't work, you could get "WaveInID", then use
>> waveInMessage with DRV_QUERYDEVICEINTERFACE to get the device path...
> This seems to follow that idea:
> http://social.msdn.microsoft.com/Forums/en-US/windowsdirectshowdevelopment/thread/232d858d-0bc6-417e-a66f-6041f950c943
> /Rob
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