ENV: win10pro 64, python(x,y) 2.7.10 (includr: OpenCV 2.4.11-7,PyQt 4.11.3-5,NumPy 1.9.2-8,...)
hardware: Surface Pro 4;tinkpad x230i(win7); usb2.0 hub; two webcam(uva driver, 1280x720px 10fps+680x420px 15pfs)
problem: through usb-hub, two web cam plugin to surface;
base code:
cv2.VideoCapture(id)
can not touch all webcam,only can visit the first webcam;
if cancel usb-hub, one by one plugin to thinkpad; cv2 can read two webcam's video in same time, AND with different Qt windows;
if base Qt layout, try to show two wecam video in same windows; always lost the last touch webcam;
BUT: same code can working good under macOS, even to through usb-hub, also can show two video in same Qt windows;
so what happened? How can i fixed this case by python+opencv?
thanks for ay suggest.