HIGHGUI ERROR: V4L/V4L2: VIDIOC_S_CROP
OpenCV Error: Assertion failed (k == STD_VECTOR_MAT) in getMat, file /home/qt/opencv/OpenCV/OpenCV/opencv-2.4.8/modules/core/src/matrix.cpp, line 988
terminate called after throwing an instance of 'cv::Exception'
what(): /home/qt/opencv/OpenCV/OpenCV/opencv-2.4.8/modules/core/src/matrix.cpp:988: error: (-215) k == STD_VECTOR_MAT in function getMat
The program has unexpectedly finished.
Hi and welcome to devnet,
This question would be more suited on the OpenCV forums/mailing list