[wdmaudiodev] Re: wdmaudiodev Digest V1 #128

  • From: Tim Roberts <timr@xxxxxxxxx>
  • To: wdmaudiodev@xxxxxxxxxxxxx
  • Date: Wed, 24 Nov 2004 09:30:42 -0800

Ben Allison wrote:

Windows XP (and previous versions) have difficulties dealing with two
identical USB devices.

Please see this semi-technical discussion at one of the Windows
developer's blogs.
http://weblogs.asp.net/oldnewthing/archive/2004/11/10/255047.aspx



You are misinterpreting this exchange. Windows' behavior with multiple identical USB devices is well-defined. It might not match your intuition, but it does not have "difficulties" dealing with them. When you plug in two web cameras, you can fire up two copies of AMCAP and they both work fine. That's part of our QA process.

Some people expect to be able to pick up one of the two cameras and know beforehand which AMCAP window will mate up with which camera. I'm not convinced that's a reasonable expectation.

--
- Tim Roberts, timr@xxxxxxxxx
 Providenza & Boekelheide, Inc.

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