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I've had this issue all day since installing my USB (well technically an AV to USB) camera and testing out just a basic video script.

I have confirmed it is nothing on my code's end but something to do with the format the camera displays at (YUYV).

So far I have tried:

  • cv2.imshow(img,cv2.imdecode(img,-1))
    • Note: this gave me a new error of: OpenCV Error: Assertion failed (size.width>0 && size.height>0) in imshow, file /home/pi/opencv-3.3.0/modules/
  • running cap.set(cv2.CAP_PROP_CONVERT_RGB, True)
  • using the qv4l2 tool (worked 100% fine)

None of which fixed the problem of getting the camera to work with OpenCV. Does anyone have any possible solutions?

Mega thank yous to anyone who has any idea!

Isaac Addis
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  • I'm having the same problem; have you found a solution? – saulspatz Jul 15 '18 at 20:04
  • Yeah it actually was a problem on my side. What I did to solve is was have the function with a parameter mirror=True, and when I called the function, also give it the parameter Mirror=True – Isaac Addis Jul 28 '18 at 23:38

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