Error in recording video using two logitech webcam simultaneously

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rohan gupta
rohan gupta 2015-1-15
评论： Liew Tian Chin 2018-4-2
I was able to record video using two webcam simultaneously. But now using same code I am getting error. It is saying that my device is in use but actually it is not. The error is:
Error using videoinput (line 391)
winvideo: The device associated with device ID 2 is already in use. A new videoinput object cannot be created for this device while it is in use.
Error in recording_video1 (line 5)
vid2 = videoinput('winvideo',2, 'YUY2_320x240');

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回答（1 个）

Image Analyst
Image Analyst 2015-1-17
Try
vid2 = videoinput('winvideo',1, 'YUY2_320x240');
or
vid2 = videoinput('winvideo',3, 'YUY2_320x240');
or whatever number your second camera is.
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soyoung shin
soyoung shin 2017-11-6
same situation here. Did you fix the problem? I also connect two logitech cameras on my labtop and got same error..

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