How to match a usb camera between DirectShow and WMI?
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For a camera which support DirectShow, I can easily get it used via DirectShow, preview video, capture image, record, and so on. Now my problem is I want to know which usb controller and port the camera I'm using is conneted to. I can also get all usb controllers and usb cameras and their connection map via WMI, but can not match the same usb device bewteen DirectShow and WMI. Is their a identifier for me or some way else? Thanks Clark Nu