Detect WebCam device using with java -

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I am using JMF to operate my webcam. My web webcam works perfectly with JMF, but I used it in jmtidios, but when I call it with my java code 

  deviceListVector = CaptureDeviceManager.getDeviceList (empty );

My "audio capture device" has been detected, however, my USB webcam: // 0 has not been detected on vfw. To clarify, audio capture devices and USB cameras are completely different devices.

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