#opencv

cvmake_w_ffmpeg.txt

cmake -D CMAKE_BUILD_TYPE=RELEASE \
            -D CMAKE_INSTALL_PREFIX=$cwd/installation/OpenCV-3.4.5 \
            -D INSTALL_C_EXAMPLES=ON \
            -D INSTALL_PYTHON_EXAMPLES=ON \
            -D WITH_TBB=ON \
            -D WITH_V4L=ON \
            -D OPENCV_SKIP_PYTHON_LOADER=ON \
            -D CMAKE_PREFIX_PATH=$QT5PATH \
            -D CMAKE_MODULE_PATH="$QT5PATH"/lib/cmake \
            -D OPENCV_PYTHON3_INSTALL_PATH=/miniconda3/envs/cv282/lib/python3.6/site-packages \
            -D PYTHON3_INCLUDE_DIR=$(python -c "from distutils.sysconfig import get_python_inc; print(get_python_inc())")  \
            -D PYTHON3_LIBRARY=$(python -c "import distutils.sysconfig as sysconfig; print(sysconfig.get_config_var('LIBDIR'))") \
            -D PYTHON3_EXECUTABLE:FILEPATH=`which python` \
            -D BUILD_opencv_python2=OFF \
            -D WITH_FFMPEG=1 \
             -D ENABLE_PRECOMPILED_HEADERS=OFF \
             -D BUILD_opencv_text=OFF \
        -D WITH_QT=ON \
        -D WITH_OPENGL=ON \
        -D OPENCV_EXTRA_MODULES_PATH=../../opencv_contrib-3.4.5/modules \
        -D BUILD_EXAMPLES=ON ..