Fix #5876: Windows build fails with OpenCV 3.4.10 #5877
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Update the required OpenCV version to 3.4.12. The project uses `CAP_PROP_ORIENTATION_AUTO` contant that was introduced in OpenCV 3.4.12, thus is not accesible in OpenCV 3.4.10 opencv/opencv@f0271e5 Using of OpenCV 3.4.10 leads to a build error ``` mediapipe/calculators/video/opencv_video_decoder_calculator.cc(116): error C2039: 'CAP_PROP_ORIENTATION_AUTO': is not a member of 'cv' external/windows_opencv/include\opencv2/videoio.hpp(71): note: see declaration of 'cv' mediapipe/calculators/video/opencv_video_decoder_calculator.cc(116): error C2065: 'CAP_PROP_ORIENTATION_AUTO': undeclared identifier Target //mediapipe/examples/desktop/hand_tracking:hand_tracking_cpu failed to build ```
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Update the required OpenCV version to 3.4.12.
The project uses
CAP_PROP_ORIENTATION_AUTOcontant that was introduced in OpenCV 3.4.12, thus is not accesible in OpenCV 3.4.10opencv/opencv@f0271e5
Using of OpenCV 3.4.10 leads to a build error