CMake Error at modules/videoio/cmake/detect_ffmpeg.cmake:16 (include): include could not find load file: C:/opencv_4/build/3rdparty/ffmpeg/ffmpeg_version.cmake

[abdou31]

System information (version)

Detailed description

I'm trying to build opencv with opencv_contrib modules as extra_modules using CMake , but I have got this error , how can I fix it???

CMake Error at modules/videoio/cmake/detect_ffmpeg.cmake:16 (include): include could not find load file: C:/opencv_4/build/3rdparty/ffmpeg/ffmpeg_version.cmake Call Stack (most recent call first): modules/videoio/cmake/init.cmake:3 (include) modules/videoio/cmake/init.cmake:22 (add_backend) cmake/OpenCVModule.cmake:312 (include) cmake/OpenCVModule.cmake:375 (_add_modules_1) modules/CMakeLists.txt:7 (ocv_glob_modules)