[wdmaudiodev] Re: UMDF: WinUSB & Virtual Audio
- From: Tim Roberts <timr@xxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Fri, 16 Apr 2010 14:36:14 -0700
Christos Nikolaou wrote:
> I'm trying for some time now to figure out if this combo can work.
> Is it possible to have a UMDF driver that uses the WinUSB stack to
> retrieve data from an external USB device that does not conform to
> USBAudio and has only two bulk endpoints, on one side and on the other
> side to create some virtual audio ports (msvad or alike)?
> Or is that impossible under UMDF?
>
There is another alternative. You can write a lower filter to
usbaudio.sys to convert your non-standard device into an Audio Class
compliant device. I did this for an entire family of USB video cameras
many years ago with great success. It even passed WHQL.
--
Tim Roberts, timr@xxxxxxxxx
Providenza & Boekelheide, Inc.
******************
WDMAUDIODEV addresses:
Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx
Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe
Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe
Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx
URL to WDMAUDIODEV page:
http://www.wdmaudiodev.com/
Other related posts: