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Open Source Computer Vision Library
https://opencv.org/
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105 lines
3.5 KiB
105 lines
3.5 KiB
#============================================= |
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# build with OpenCV |
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function(ocv_create_builtin_videoio_plugin name target videoio_src_file) |
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ocv_debug_message("ocv_create_builtin_videoio_plugin(${ARGV})") |
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if(NOT TARGET ${target}) |
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message(FATAL_ERROR "${target} does not exist!") |
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endif() |
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if(NOT OpenCV_SOURCE_DIR) |
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message(FATAL_ERROR "OpenCV_SOURCE_DIR must be set to build the plugin!") |
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endif() |
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message(STATUS "Video I/O: add builtin plugin '${name}'") |
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add_library(${name} MODULE |
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"${CMAKE_CURRENT_LIST_DIR}/src/${videoio_src_file}" |
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) |
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target_include_directories(${name} PRIVATE "${CMAKE_CURRENT_BINARY_DIR}") |
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target_compile_definitions(${name} PRIVATE BUILD_PLUGIN) |
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target_link_libraries(${name} PRIVATE ${target}) |
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foreach(mod opencv_videoio opencv_core opencv_imgproc opencv_imgcodecs) |
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target_link_libraries(${name} PRIVATE ${mod}) |
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target_include_directories(${name} PRIVATE "${OPENCV_MODULE_${mod}_LOCATION}/include") |
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endforeach() |
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set_target_properties(${name} PROPERTIES |
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CXX_STANDARD 11 |
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CXX_VISIBILITY_PRESET hidden |
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) |
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install(TARGETS ${name} LIBRARY DESTINATION ${OPENCV_LIB_INSTALL_PATH} COMPONENT plugins OPTIONAL) |
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add_dependencies(opencv_videoio_plugins ${name}) |
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endfunction() |
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#============================================= |
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# standalone build |
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function(ocv_create_videoio_plugin default_name target target_desc videoio_src_file) |
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set(OPENCV_PLUGIN_NAME ${default_name} CACHE STRING "") |
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set(OPENCV_PLUGIN_DESTINATION "" CACHE PATH "") |
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project(${OPENCV_PLUGIN_NAME} LANGUAGES CXX) |
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set(BUILD_SHARED_LIBS ON CACHE BOOL "") |
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if(NOT BUILD_SHARED_LIBS) |
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message(FATAL_ERROR "Static plugin build does not make sense") |
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endif() |
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if(NOT OpenCV_SOURCE_DIR) |
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message(FATAL_ERROR "OpenCV_SOURCE_DIR must be set to build the plugin!") |
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endif() |
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include("${OpenCV_SOURCE_DIR}/modules/videoio/cmake/init.cmake") |
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if(NOT TARGET ${target}) |
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message(FATAL_ERROR "${target_desc} was not found!") |
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endif() |
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set(modules_ROOT "${CMAKE_CURRENT_LIST_DIR}/../../..") |
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set(videoio_ROOT "${modules_ROOT}/videoio") |
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set(core_ROOT "${modules_ROOT}/core") |
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set(imgproc_ROOT "${modules_ROOT}/imgproc") |
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set(imgcodecs_ROOT "${modules_ROOT}/imgcodecs") |
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add_library(${OPENCV_PLUGIN_NAME} MODULE "${videoio_ROOT}/src/${videoio_src_file}") |
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target_include_directories(${OPENCV_PLUGIN_NAME} PRIVATE |
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"${CMAKE_CURRENT_BINARY_DIR}" |
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"${videoio_ROOT}/src" |
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"${videoio_ROOT}/include" |
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"${core_ROOT}/include" |
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"${imgproc_ROOT}/include" |
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"${imgcodecs_ROOT}/include" |
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) |
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target_compile_definitions(${OPENCV_PLUGIN_NAME} PRIVATE BUILD_PLUGIN) |
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# Fixes for build |
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target_compile_definitions(${OPENCV_PLUGIN_NAME} PRIVATE __OPENCV_BUILD) |
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file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/cvconfig.h" "#pragma once") |
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file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/cv_cpu_config.h" "#pragma once") |
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file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/opencv2/opencv_modules.hpp" "#pragma once") |
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target_link_libraries(${OPENCV_PLUGIN_NAME} PRIVATE ${target}) |
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set_target_properties(${OPENCV_PLUGIN_NAME} PROPERTIES |
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CXX_STANDARD 11 |
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CXX_VISIBILITY_PRESET hidden |
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) |
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# Hack for Windows |
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if(WIN32) |
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find_package(OpenCV REQUIRED core imgproc videoio) |
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target_link_libraries(${OPENCV_PLUGIN_NAME} ${OpenCV_LIBS}) |
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endif() |
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if(OPENCV_PLUGIN_DESTINATION) |
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set_target_properties(${OPENCV_PLUGIN_NAME} PROPERTIES LIBRARY_OUTPUT_DIRECTORY "${OPENCV_PLUGIN_DESTINATION}") |
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message(STATUS "Output destination: ${OPENCV_PLUGIN_DESTINATION}") |
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endif() |
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message(STATUS "Library name: ${OPENCV_PLUGIN_NAME}") |
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endfunction()
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