diff options
Diffstat (limited to 'samples/common/cmake/find_opencv.cmake')
| -rw-r--r-- | samples/common/cmake/find_opencv.cmake | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/samples/common/cmake/find_opencv.cmake b/samples/common/cmake/find_opencv.cmake new file mode 100644 index 0000000000..92086e1316 --- /dev/null +++ b/samples/common/cmake/find_opencv.cmake @@ -0,0 +1,203 @@ +# Copyright © 2020 Arm Ltd and Contributors. All rights reserved. +# SPDX-License-Identifier: MIT + +set(OPENCV_VERSION 4.0.0) +set(FFMPEG_VERSION 4.2.1) +set(LIBX264_VERSION stable) + +set(OPENCV_LIB OpenCV${OPENCV_VERSION}) +set(FFMPEG_LIB ffmpeg${FFMPEG_VERSION}) +set(X264_LIB x264${LIBX264_VERSION}) + +set(OPENCV_NAMES + libopencv_core.so.${OPENCV_VERSION} + libopencv_imgproc.so.${OPENCV_VERSION} + libopencv_imgcodecs.so.${OPENCV_VERSION} + libopencv_videoio.so.${OPENCV_VERSION} + libopencv_video.so.${OPENCV_VERSION} + libopencv_highgui.so.${OPENCV_VERSION}) + +set(OPENCV_LIBS) +set(FFMPEG_LIBS) + +foreach(opencv_lib ${OPENCV_NAMES}) + find_library(OPENCV_${opencv_lib} + NAMES + ${opencv_lib} + HINTS + ${OPENCV_LIB_DIR} + PATHS + ${OPENCV_LIB_DIR} + PATH_SUFFIXES + "lib" + "lib64") + if(OPENCV_${opencv_lib}) + message("Found library ${OPENCV_${opencv_lib}}") + list(APPEND OPENCV_LIBS ${OPENCV_${opencv_lib}}) + get_filename_component(OPENCV_LIB_DIR ${OPENCV_${opencv_lib}} DIRECTORY) + get_filename_component(OPENCV_ROOT_DIR ${OPENCV_LIB_DIR} DIRECTORY) + set(OPENCV_INCLUDE_DIR ${OPENCV_ROOT_DIR}/include/opencv4) + endif() +endforeach() + +if(OPENCV_LIBS) + message("OpenCV libraries found") + set(OPENCV_LIBS_FOUND TRUE) +else() + set(OPENCV_ROOT_DIR ${DEPENDENCIES_DIR}/opencv) + set(OPENCV_DEPENDENCIES_ARGS) + set(OPENCV_EXTRA_LINKER_ARGS) + set(OPENCV_PKGCONFIG) + + if(CMAKE_CROSSCOMPILING) + set(FFMPEG_ROOT_DIR ${DEPENDENCIES_DIR}/ffmpeg) + set(LIBX264_ROOT_DIR ${DEPENDENCIES_DIR}/x264) + + if (CMAKE_BUILD_TYPE STREQUAL Debug) + set(CONFIGURE_DEBUG --enable-debug) + set(OPENCV_DEBUG "-DBUILD_WITH_DEBUG_INFO=ON") + endif() + + + ExternalProject_Add(${X264_LIB} + URL "https://code.videolan.org/videolan/x264/-/archive/${LIBX264_VERSION}/x264-${LIBX264_VERSION}.tar.gz" + DOWNLOAD_DIR ${LIBX264_ROOT_DIR} + PREFIX ${LIBX264_ROOT_DIR} + CONFIGURE_COMMAND <SOURCE_DIR>/configure + --host=${GNU_MACHINE} + --enable-static + --enable-shared + --cross-prefix=${CROSS_PREFIX} + --prefix=${CMAKE_BINARY_DIR} + --extra-ldflags=-static-libstdc++ + --extra-cflags=-fPIC + ${CONFIGURE_DEBUG} + INSTALL_DIR ${CMAKE_BINARY_DIR} + BUILD_COMMAND $(MAKE) + INSTALL_COMMAND $(MAKE) install + ) + + set(FFMPEG_Config + --enable-shared + --enable-cross-compile + --cross-prefix=${CROSS_PREFIX} + --arch=${CMAKE_SYSTEM_PROCESSOR} + --target-os=linux + --prefix=${CMAKE_BINARY_DIR} + --enable-gpl + --enable-nonfree + --enable-libx264 + --extra-cflags=-I${CMAKE_BINARY_DIR}/include + --extra-cflags=-fPIC + --extra-ldflags=-L${CMAKE_BINARY_DIR}/lib + --extra-libs=-ldl + --extra-libs=-static-libstdc++ + ) + + ExternalProject_Add(${FFMPEG_LIB} + URL "https://github.com/FFmpeg/FFmpeg/archive/n${FFMPEG_VERSION}.tar.gz" + URL_HASH MD5=05792c611d1e3ebdf2c7003ff4467390 + DOWNLOAD_DIR ${FFMPEG_ROOT_DIR} + PREFIX ${FFMPEG_ROOT_DIR} + CONFIGURE_COMMAND <SOURCE_DIR>/configure ${FFMPEG_Config} ${CONFIGURE_DEBUG} + INSTALL_DIR ${CMAKE_BINARY_DIR} + BUILD_COMMAND $(MAKE) VERBOSE=1 + INSTALL_COMMAND $(MAKE) install + ) + + set(OPENCV_DEPENDENCIES_ARGS "-static-libstdc++ -Wl,-rpath,${CMAKE_BINARY_DIR}/lib") + set(OPENCV_EXTRA_LINKER_ARGS "-DOPENCV_EXTRA_EXE_LINKER_FLAGS=${OPENCV_DEPENDENCIES_ARGS}") + + set(OPENCV_PKGCONFIG "PKG_CONFIG_LIBDIR=${CMAKE_BINARY_DIR}/lib/pkgconfig") + + set(FFMPEG_NAMES + libavcodec.so + libavformat.so + libavutil.so + libswscale.so + ) + + foreach(ffmpeg_lib ${FFMPEG_NAMES}) + add_library(FFMPEG_${ffmpeg_lib} SHARED IMPORTED) + set_target_properties(FFMPEG_${ffmpeg_lib} PROPERTIES IMPORTED_LOCATION ${CMAKE_BINARY_DIR}/lib/${ffmpeg_lib}) + list(APPEND OPENCV_LIBS FFMPEG_${ffmpeg_lib}) + endforeach() + + add_library(X264_lib264.so SHARED IMPORTED) + set_target_properties(X264_lib264.so PROPERTIES IMPORTED_LOCATION ${CMAKE_BINARY_DIR}/lib/libx264.so) + list(APPEND OPENCV_LIBS X264_lib264.so) + endif() + + set(OPENCV_CMAKE_ARGS + -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} + -DCMAKE_C_FLAGS=-fPIC + -DCMAKE_CXX_FLAGS=-fPIC + -DWITH_GTK=OFF + -DWITH_JPEG=ON + -DWITH_IPP=OFF + -DBUILD_opencv_java_bindings_generator=OFF + -DBUILD_opencv_ml=OFF + -DBUILD_opencv_objdetect=OFF + -DBUILD_opencv_photo=OFF + -DBUILD_opencv_python_bindings_generator=OFF + -DBUILD_opencv_stitching=OFF + -DBUILD_opencv_gapi=OFF + -DBUILD_opencv_features2d=OFF + -DBUILD_opencv_dnn=OFF + -DBUILD_opencv_flann=OFF + -DBUILD_opencv_calib3d=OFF + -DBUILD_opencv_python2=OFF + -DBUILD_opencv_python3=OFF + -DBUILD_opencv_java=OFF + -DBUILD_opencv_js=OFF + -DBUILD_opencv_ts=OFF + -DBUILD_JPEG=ON + -DBUILD_JPEG_TURBO_DISABLE=ON + -DBUILD_PNG=ON + -DBUILD_TIFF=ON + -DZLIB_FOUND=OFF + -DBUILD_ZLIB=ON + -DBUILD_PERF_TESTS=OFF + -DBUILD_TESTS=OFF + -DBUILD_DOCS=OFF + -DBUILD_opencv_apps=OFF + -DBUILD_EXAMPLES=OFF + -DWITH_V4L=ON + -DWITH_LIBV4L=OFF + -DWITH_FFMPEG=ON + -DCMAKE_INSTALL_PREFIX=${CMAKE_BINARY_DIR} + -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} + -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} + -DCMAKE_INSTALL_RPATH=\$ORIGIN:\$ORIGIN/lib:\$ORIGIN/../lib + -DCMAKE_SHARED_LINKER_FLAGS=-static-libstdc++ + ${OPENCV_DEBUG} + ) + + ExternalProject_Add(${OPENCV_LIB} + URL "https://codeload.github.com/opencv/opencv/tar.gz/${OPENCV_VERSION}" + URL_HASH MD5=f051c1ff7b327b60123d71b53801b316 + DOWNLOAD_DIR ${OPENCV_ROOT_DIR} + PREFIX ${OPENCV_ROOT_DIR} + CONFIGURE_COMMAND ${OPENCV_PKGCONFIG} + ${CMAKE_COMMAND} ${OPENCV_CMAKE_ARGS} ${OPENCV_EXTRA_ARGS} + ${OPENCV_EXTRA_LINKER_ARGS} ${OPENCV_ROOT_DIR}/src/${OPENCV_LIB} + INSTALL_DIR ${CMAKE_BINARY_DIR} + BUILD_COMMAND $(MAKE) + INSTALL_COMMAND $(MAKE) install + ) + + if(CMAKE_CROSSCOMPILING) + ExternalProject_Add_StepDependencies(${FFMPEG_LIB} build ${X264_LIB}) + ExternalProject_Add_StepDependencies(${OPENCV_LIB} build ${FFMPEG_LIB}) + endif() + + set(OPENCV_INCLUDE_DIR ${CMAKE_BINARY_DIR}/include/opencv4) + set(OPENCV_LIB_DIR ${CMAKE_BINARY_DIR}/lib) + + foreach(opencv_lib ${OPENCV_NAMES}) + add_library(OPENCV_${opencv_lib} SHARED IMPORTED) + set_target_properties(OPENCV_${opencv_lib} PROPERTIES IMPORTED_LOCATION ${OPENCV_LIB_DIR}/${opencv_lib}) + list(APPEND OPENCV_LIBS OPENCV_${opencv_lib}) + endforeach() + +endif()
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