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opencv/modules/videoio/CMakeLists.txt
Giles Payne 3d9cb5329c
Merge pull request #24136 from komakai:visionos_support 
Add experimental support for Apple VisionOS platform #24136

### Pull Request Readiness Checklist

See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [x] The PR is proposed to the proper branch

This is dependent on cmake support for VisionOs which is currently in progress.
Creating PR now to test that there are no regressions in iOS and macOS builds
2023-12-20 15:35:10 +03:00

303 lines
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CMake
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set(VIDEOIO_ENABLE_PLUGINS_DEFAULT ON)
if(EMSCRIPTEN OR IOS OR XROS OR WINRT)
set(VIDEOIO_ENABLE_PLUGINS_DEFAULT OFF)
endif()
set(VIDEOIO_PLUGIN_LIST "" CACHE STRING "List of videoio backends to be compiled as plugins (ffmpeg, gstreamer, mfx, msmf or special value 'all')")
set(VIDEOIO_ENABLE_PLUGINS "${VIDEOIO_ENABLE_PLUGINS_DEFAULT}" CACHE BOOL "Allow building and using of videoio plugins")
mark_as_advanced(VIDEOIO_PLUGIN_LIST VIDEOIO_ENABLE_PLUGINS)
string(REPLACE "," ";" VIDEOIO_PLUGIN_LIST "${VIDEOIO_PLUGIN_LIST}") # support comma-separated list (,) too
string(TOLOWER "${VIDEOIO_PLUGIN_LIST}" VIDEOIO_PLUGIN_LIST)
if(NOT VIDEOIO_ENABLE_PLUGINS)
if(VIDEOIO_PLUGIN_LIST)
message(WARNING "VideoIO: plugins are disabled through VIDEOIO_ENABLE_PLUGINS, so VIDEOIO_PLUGIN_LIST='${VIDEOIO_PLUGIN_LIST}' is ignored")
set(VIDEOIO_PLUGIN_LIST "")
endif()
else()
# Make virtual opencv_videoio_plugins target
if(NOT TARGET opencv_videoio_plugins)
add_custom_target(opencv_videoio_plugins ALL)
endif()
endif()
ocv_add_module(videoio opencv_imgproc opencv_imgcodecs WRAP java objc python)
set(videoio_hdrs ${CMAKE_CURRENT_LIST_DIR}/src/precomp.hpp)
set(videoio_srcs
"${CMAKE_CURRENT_LIST_DIR}/src/videoio_registry.cpp"
"${CMAKE_CURRENT_LIST_DIR}/src/videoio_c.cpp"
"${CMAKE_CURRENT_LIST_DIR}/src/cap.cpp"
"${CMAKE_CURRENT_LIST_DIR}/src/cap_images.cpp"
"${CMAKE_CURRENT_LIST_DIR}/src/cap_mjpeg_encoder.cpp"
"${CMAKE_CURRENT_LIST_DIR}/src/cap_mjpeg_decoder.cpp"
"${CMAKE_CURRENT_LIST_DIR}/src/backend_plugin.cpp"
"${CMAKE_CURRENT_LIST_DIR}/src/backend_static.cpp"
"${CMAKE_CURRENT_LIST_DIR}/src/container_avi.cpp")
file(GLOB videoio_ext_hdrs
"${CMAKE_CURRENT_LIST_DIR}/include/opencv2/*.hpp"
"${CMAKE_CURRENT_LIST_DIR}/include/opencv2/${name}/*.hpp"
"${CMAKE_CURRENT_LIST_DIR}/include/opencv2/${name}/*.h"
"${CMAKE_CURRENT_LIST_DIR}/include/opencv2/${name}/legacy/*.h")
if(OPENCV_DEBUG_POSTFIX)
ocv_append_source_file_compile_definitions("${CMAKE_CURRENT_LIST_DIR}/src/backend_plugin.cpp" "DEBUG_POSTFIX=${OPENCV_DEBUG_POSTFIX}")
endif()
# Removing WinRT API headers by default
list(REMOVE_ITEM videoio_ext_hdrs "${CMAKE_CURRENT_LIST_DIR}/include/opencv2/${name}/cap_winrt.hpp")
if(DEFINED WINRT AND NOT DEFINED ENABLE_WINRT_MODE_NATIVE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /ZW")
endif()
# Dependencies used by the implementation referenced
# below are not available on WinRT 8.0.
# Enabling it for WiRT 8.1+ only.
if(DEFINED WINRT AND NOT DEFINED WINRT_8_0 AND NOT DEFINED ENABLE_WINRT_MODE_NATIVE)
# WinRT detected. Adding WinRT API header
message(STATUS " ${name}: WinRT detected. Adding WinRT API header")
list(APPEND videoio_ext_hdrs "${CMAKE_CURRENT_LIST_DIR}/include/opencv2/${name}/cap_winrt.hpp")
# Adding WinRT internal sources and headers
list(APPEND videoio_srcs
${CMAKE_CURRENT_LIST_DIR}/src/cap_winrt_capture.cpp
${CMAKE_CURRENT_LIST_DIR}/src/cap_winrt_bridge.cpp
${CMAKE_CURRENT_LIST_DIR}/src/cap_winrt_video.cpp
${CMAKE_CURRENT_LIST_DIR}/src/cap_winrt/CaptureFrameGrabber.cpp
${CMAKE_CURRENT_LIST_DIR}/src/cap_winrt/MediaStreamSink.cpp)
list(APPEND videoio_hdrs
${CMAKE_CURRENT_LIST_DIR}/src/cap_winrt_capture.hpp
${CMAKE_CURRENT_LIST_DIR}/src/cap_winrt_bridge.hpp
${CMAKE_CURRENT_LIST_DIR}/src/cap_winrt_video.hpp
${CMAKE_CURRENT_LIST_DIR}/src/cap_winrt/MFIncludes.hpp
${CMAKE_CURRENT_LIST_DIR}/src/cap_winrt/CaptureFrameGrabber.hpp
${CMAKE_CURRENT_LIST_DIR}/src/cap_winrt/MediaSink.hpp
${CMAKE_CURRENT_LIST_DIR}/src/cap_winrt/MediaStreamSink.hpp)
endif()
include(${CMAKE_CURRENT_LIST_DIR}/cmake/plugin.cmake)
set(tgts "PRIVATE")
if(TARGET ocv.3rdparty.mediasdk)
if("mfx" IN_LIST VIDEOIO_PLUGIN_LIST OR VIDEOIO_PLUGIN_LIST STREQUAL "all")
ocv_create_builtin_videoio_plugin("opencv_videoio_intel_mfx" ocv.3rdparty.mediasdk "cap_mfx_common.cpp" "cap_mfx_reader.cpp" "cap_mfx_writer.cpp" "cap_mfx_plugin.cpp")
else()
list(APPEND videoio_srcs
${CMAKE_CURRENT_LIST_DIR}/src/cap_mfx_common.cpp
${CMAKE_CURRENT_LIST_DIR}/src/cap_mfx_reader.cpp
${CMAKE_CURRENT_LIST_DIR}/src/cap_mfx_writer.cpp)
list(APPEND videoio_hdrs
${CMAKE_CURRENT_LIST_DIR}/src/cap_mfx_common.hpp
${CMAKE_CURRENT_LIST_DIR}/src/cap_mfx_reader.hpp
${CMAKE_CURRENT_LIST_DIR}/src/cap_mfx_writer.hpp)
list(APPEND tgts ocv.3rdparty.mediasdk)
endif()
endif()
if(TARGET ocv.3rdparty.dshow)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_dshow.cpp)
list(APPEND videoio_hdrs ${CMAKE_CURRENT_LIST_DIR}/src/cap_dshow.hpp)
list(APPEND tgts ocv.3rdparty.dshow)
endif()
if(TARGET ocv.3rdparty.msmf)
if("msmf" IN_LIST VIDEOIO_PLUGIN_LIST OR VIDEOIO_PLUGIN_LIST STREQUAL "all")
ocv_create_builtin_videoio_plugin("opencv_videoio_msmf" ocv.3rdparty.msmf "cap_msmf.cpp")
else()
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_msmf.hpp)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_msmf.cpp)
list(APPEND tgts ocv.3rdparty.msmf)
endif()
endif()
if(TARGET ocv.3rdparty.xine)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_xine.cpp)
list(APPEND tgts ocv.3rdparty.xine)
endif()
if(TARGET ocv.3rdparty.dc1394_2)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_dc1394_v2.cpp)
list(APPEND tgts ocv.3rdparty.dc1394_2)
endif()
if(TARGET ocv.3rdparty.gstreamer)
if("gstreamer" IN_LIST VIDEOIO_PLUGIN_LIST OR VIDEOIO_PLUGIN_LIST STREQUAL "all")
ocv_create_builtin_videoio_plugin("opencv_videoio_gstreamer" ocv.3rdparty.gstreamer "cap_gstreamer.cpp")
else()
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_gstreamer.cpp)
list(APPEND tgts ocv.3rdparty.gstreamer)
endif()
endif()
if(TARGET ocv.3rdparty.v4l)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_v4l.cpp)
list(APPEND tgts ocv.3rdparty.v4l)
endif()
if(TARGET ocv.3rdparty.openni2)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_openni2.cpp)
list(APPEND tgts ocv.3rdparty.openni2)
endif()
if(TARGET ocv.3rdparty.ximea)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_ximea.cpp)
list(APPEND tgts ocv.3rdparty.ximea)
endif()
if(TARGET ocv.3rdparty.ueye)
if("ueye" IN_LIST VIDEOIO_PLUGIN_LIST OR VIDEOIO_PLUGIN_LIST STREQUAL "all")
ocv_create_builtin_videoio_plugin("opencv_videoio_ueye" ocv.3rdparty.ueye "cap_ueye.cpp")
else()
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_ueye.cpp)
list(APPEND tgts ocv.3rdparty.ueye)
endif()
endif()
if(TARGET ocv.3rdparty.ffmpeg)
if(HAVE_FFMPEG_WRAPPER)
list(APPEND tgts ocv.3rdparty.ffmpeg)
elseif("ffmpeg" IN_LIST VIDEOIO_PLUGIN_LIST OR VIDEOIO_PLUGIN_LIST STREQUAL "all")
ocv_create_builtin_videoio_plugin("opencv_videoio_ffmpeg" ocv.3rdparty.ffmpeg "cap_ffmpeg.cpp")
if(TARGET ocv.3rdparty.ffmpeg.plugin_deps)
ocv_target_link_libraries(opencv_videoio_ffmpeg ocv.3rdparty.ffmpeg.plugin_deps)
endif()
if(TARGET ocv.3rdparty.mediasdk
AND NOT OPENCV_FFMPEG_DISABLE_MEDIASDK
)
ocv_target_link_libraries(opencv_videoio_ffmpeg ocv.3rdparty.mediasdk)
endif()
else()
list(APPEND videoio_hdrs ${CMAKE_CURRENT_LIST_DIR}/src/cap_ffmpeg_impl.hpp)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_ffmpeg.cpp)
list(APPEND tgts ocv.3rdparty.ffmpeg)
if(TARGET ocv.3rdparty.ffmpeg.builtin_deps)
list(APPEND tgts ocv.3rdparty.ffmpeg.builtin_deps)
endif()
if(TARGET ocv.3rdparty.mediasdk
AND NOT OPENCV_FFMPEG_DISABLE_MEDIASDK
)
list(APPEND tgts ocv.3rdparty.mediasdk)
endif()
endif()
endif()
if(TARGET ocv.3rdparty.pvapi)
set(videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_pvapi.cpp ${videoio_srcs})
list(APPEND tgts ocv.3rdparty.pvapi)
endif()
if(TARGET ocv.3rdparty.aravis)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_aravis.cpp)
list(APPEND tgts ocv.3rdparty.aravis)
endif()
if(TARGET ocv.3rdparty.avfoundation)
if(IOS OR XROS)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_avfoundation.mm)
else()
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_avfoundation_mac.mm)
endif()
list(APPEND tgts ocv.3rdparty.avfoundation)
endif()
if(TARGET ocv.3rdparty.librealsense)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_librealsense.cpp)
list(APPEND tgts ocv.3rdparty.librealsense)
endif()
if(TARGET ocv.3rdparty.gphoto2)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_gphoto2.cpp)
list(APPEND tgts ocv.3rdparty.gphoto2)
endif()
if(TARGET ocv.3rdparty.cap_ios)
list(APPEND videoio_srcs
${CMAKE_CURRENT_LIST_DIR}/src/cap_ios_abstract_camera.mm
${CMAKE_CURRENT_LIST_DIR}/src/cap_ios_photo_camera.mm
${CMAKE_CURRENT_LIST_DIR}/src/cap_ios_video_camera.mm)
list(APPEND tgts ocv.3rdparty.cap_ios)
endif()
if(TARGET ocv.3rdparty.android_mediandk)
list(APPEND videoio_srcs
${CMAKE_CURRENT_LIST_DIR}/src/cap_android_mediandk.cpp)
list(APPEND tgts ocv.3rdparty.android_mediandk)
endif()
if(TARGET ocv.3rdparty.android_native_camera)
list(APPEND videoio_srcs
${CMAKE_CURRENT_LIST_DIR}/src/cap_android_camera.cpp)
list(APPEND tgts ocv.3rdparty.android_native_camera)
endif()
if(TARGET ocv.3rdparty.obsensor)
list(APPEND videoio_srcs
${CMAKE_CURRENT_LIST_DIR}/src/cap_obsensor_capture.cpp)
list(APPEND videoio_hdrs
${CMAKE_CURRENT_LIST_DIR}/src/cap_obsensor_capture.hpp
${CMAKE_CURRENT_LIST_DIR}/src/cap_obsensor/obsensor_stream_channel_interface.hpp)
if(HAVE_OBSENSOR_MSMF)
list(APPEND videoio_srcs
${CMAKE_CURRENT_LIST_DIR}/src/cap_obsensor/obsensor_uvc_stream_channel.cpp
${CMAKE_CURRENT_LIST_DIR}/src/cap_obsensor/obsensor_stream_channel_msmf.cpp)
list(APPEND videoio_hdrs
${CMAKE_CURRENT_LIST_DIR}/src/cap_obsensor/obsensor_uvc_stream_channel.hpp
${CMAKE_CURRENT_LIST_DIR}/src/cap_obsensor/obsensor_stream_channel_msmf.hpp)
elseif(HAVE_OBSENSOR_V4L2)
list(APPEND videoio_srcs
${CMAKE_CURRENT_LIST_DIR}/src/cap_obsensor/obsensor_uvc_stream_channel.cpp
${CMAKE_CURRENT_LIST_DIR}/src/cap_obsensor/obsensor_stream_channel_v4l2.cpp)
list(APPEND videoio_hdrs
${CMAKE_CURRENT_LIST_DIR}/src/cap_obsensor/obsensor_uvc_stream_channel.hpp
${CMAKE_CURRENT_LIST_DIR}/src/cap_obsensor/obsensor_stream_channel_v4l2.hpp)
endif()
list(APPEND tgts ocv.3rdparty.obsensor)
endif()
if(tgts STREQUAL "PRIVATE")
set(tgts "")
endif()
ocv_install_used_external_targets(${tgts})
ocv_set_module_sources(HEADERS ${videoio_ext_hdrs} ${videoio_hdrs} SOURCES ${videoio_srcs})
ocv_module_include_directories()
ocv_create_module()
ocv_add_accuracy_tests(${tgts})
ocv_add_perf_tests(${tgts})
if(VIDEOIO_ENABLE_PLUGINS)
ocv_target_compile_definitions(${the_module} PRIVATE ENABLE_PLUGINS)
endif()
ocv_target_link_libraries(${the_module} LINK_PRIVATE ${tgts})
# copy FFmpeg dll to the output folder
if(WIN32 AND HAVE_FFMPEG_WRAPPER)
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(FFMPEG_SUFFIX _64)
endif()
set(ffmpeg_dir "${OpenCV_BINARY_DIR}/3rdparty/ffmpeg")
set(ffmpeg_bare_name "opencv_videoio_ffmpeg${FFMPEG_SUFFIX}.dll")
set(ffmpeg_bare_name_ver "opencv_videoio_ffmpeg${OPENCV_DLLVERSION}${FFMPEG_SUFFIX}.dll")
set(ffmpeg_path "${ffmpeg_dir}/${ffmpeg_bare_name}")
if(MSVC_IDE)
execute_process(
COMMAND ${CMAKE_COMMAND} -E copy_if_different "${ffmpeg_path}" "${EXECUTABLE_OUTPUT_PATH}/Release/${ffmpeg_bare_name_ver}"
COMMAND ${CMAKE_COMMAND} -E copy_if_different "${ffmpeg_path}" "${EXECUTABLE_OUTPUT_PATH}/Debug/${ffmpeg_bare_name_ver}")
elseif(MSVC AND (CMAKE_GENERATOR MATCHES "Visual"))
execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different "${ffmpeg_path}" "${EXECUTABLE_OUTPUT_PATH}/${CMAKE_BUILD_TYPE}/${ffmpeg_bare_name_ver}")
else()
execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different "${ffmpeg_path}" "${EXECUTABLE_OUTPUT_PATH}/${ffmpeg_bare_name_ver}")
endif()
install(FILES "${ffmpeg_path}" DESTINATION ${OPENCV_BIN_INSTALL_PATH} COMPONENT libs RENAME "${ffmpeg_bare_name_ver}")
if(INSTALL_CREATE_DISTRIB)
install(FILES "${ffmpeg_dir}/opencv_videoio_ffmpeg${FFMPEG_SUFFIX}.dll" DESTINATION "bin/" COMPONENT libs RENAME "opencv_videoio_ffmpeg${OPENCV_DLLVERSION}${FFMPEG_SUFFIX}.dll")
endif()
endif()
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