From: Antonio Ospite <ao2@ao2.it>
Date: Thu, 22 Feb 2018 11:56:50 +0000 (+0100)
Subject: opencv_trail_effect.cpp: use cv::waitKeyEx() instead of cv::waitKey()
X-Git-Url: https://git.ao2.it/experiments/opencv_trail_effect.git/commitdiff_plain/1fb92e6c58573d8188e8fe2cd49257409d15f527?ds=sidebyside;hp=1fb92e6c58573d8188e8fe2cd49257409d15f527

opencv_trail_effect.cpp: use cv::waitKeyEx() instead of cv::waitKey()

In some OpenCV 3 version there was a change of behavior of cv::waitKey()
in case the delay expired with no key presses, use cv::waitKeyEx() to
rely on the old behavior.

For details see
https://github.com/opencv/opencv/pull/7866#issuecomment-269322846
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