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0d65397ae7
opencv/modules/videoio/CMakeLists.txt
Pavel Rojtberg 0d65397ae7 videoio: remove cap_libv4l in favour of cap_v4l 
cap_libv4l depends on an external library (libv4l) yet is still larger
(1966 loc vs 1822 loc).
It was initially introduced copy pasting cap_v4l in order to offload
various color conversions to libv4l.
However nowadays we handle most of the needed color conversions inside
OpenCV. Our own implementation is better tested and (probably) also
better performing. (as it can optionally leverage IPP/ OpenCL)

Currently cap_v4l is better maintained and generally the code is in
better shape. There is however an API
difference in getting unconverted frames:
* on cap_libv4l one need to set `CV_CAP_MODE_GRAY=1` or
`CV_CAP_MODE_YUYV=1`
* on cap_v4l one needs to set `CV_CAP_PROP_CONVERT_RGB=0`

the latter is more flexible though as it also allows accessing undecoded
JPEG images.

fixes #4563
2018-11-12 13:38:59 +03:00

289 lines
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CMake
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set(the_description "Media I/O")
ocv_add_module(videoio opencv_imgproc opencv_imgcodecs WRAP java python)
# ----------------------------------------------------------------------------
# CMake file for videoio. See root CMakeLists.txt
# Some parts taken from version of Hartmut Seichter, HIT Lab NZ.
# Jose Luis Blanco, 2008
# ----------------------------------------------------------------------------
if(DEFINED WINRT AND NOT DEFINED ENABLE_WINRT_MODE_NATIVE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /ZW")
endif()
if(APPLE)
ocv_include_directories(${ZLIB_INCLUDE_DIRS})
list(APPEND VIDEOIO_LIBRARIES ${ZLIB_LIBRARIES})
endif()
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
${CMAKE_CURRENT_LIST_DIR}/src/container_avi.cpp
)
file(GLOB videoio_ext_hdrs
"${CMAKE_CURRENT_LIST_DIR}/include/opencv2/*.hpp"
"${CMAKE_CURRENT_LIST_DIR}/include/opencv2/${name}/*.hpp"
"${CMAKE_CURRENT_LIST_DIR}/include/opencv2/${name}/*.h")
# Removing WinRT API headers by default
list(REMOVE_ITEM videoio_ext_hdrs "${CMAKE_CURRENT_LIST_DIR}/include/opencv2/${name}/cap_winrt.hpp")
# 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()
if(HAVE_MFX)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_mfx_common.cpp)
list(APPEND videoio_hdrs ${CMAKE_CURRENT_LIST_DIR}/src/cap_mfx_common.hpp)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_mfx_reader.cpp)
list(APPEND videoio_hdrs ${CMAKE_CURRENT_LIST_DIR}/src/cap_mfx_reader.hpp)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_mfx_writer.cpp)
list(APPEND videoio_hdrs ${CMAKE_CURRENT_LIST_DIR}/src/cap_mfx_writer.hpp)
list(APPEND VIDEOIO_LIBRARIES mfx)
endif()
if (WIN32 AND HAVE_DSHOW)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_dshow.cpp)
list(APPEND videoio_hdrs ${CMAKE_CURRENT_LIST_DIR}/src/cap_dshow.hpp)
if (MINGW64)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DSTRSAFE_NO_DEPRECATE")
endif()
endif()
if (WIN32 AND HAVE_MSMF)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_msmf.hpp)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_msmf.cpp)
if (HAVE_DXVA)
add_definitions(-DHAVE_DXVA)
endif()
endif()
if(HAVE_XINE)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_xine.cpp)
endif(HAVE_XINE)
if(HAVE_DC1394_2)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_dc1394_v2.cpp)
endif(HAVE_DC1394_2)
if(HAVE_GSTREAMER)
IF(WIN32)
INCLUDE_DIRECTORIES(${GSTREAMER_INCLUDE_DIR})
list(APPEND VIDEOIO_LIBRARIES ${GSTREAMER_LIBRARIES})
ENDIF(WIN32)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_gstreamer.cpp)
endif(HAVE_GSTREAMER)
if(HAVE_CAMV4L2 OR HAVE_VIDEOIO)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_v4l.cpp)
endif()
if(HAVE_OPENNI)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_openni.cpp)
ocv_include_directories(${OPENNI_INCLUDE_DIR})
list(APPEND VIDEOIO_LIBRARIES ${OPENNI_LIBRARY})
endif(HAVE_OPENNI)
if(HAVE_OPENNI2)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_openni2.cpp)
ocv_include_directories(${OPENNI2_INCLUDE_DIR})
list(APPEND VIDEOIO_LIBRARIES ${OPENNI2_LIBRARY})
endif(HAVE_OPENNI2)
if(HAVE_XIMEA)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_ximea.cpp)
if(XIMEA_PATH)
ocv_include_directories(${XIMEA_PATH})
endif()
if(XIMEA_LIBRARY_DIR)
link_directories("${XIMEA_LIBRARY_DIR}")
endif()
if(WIN32 AND X86_64)
list(APPEND VIDEOIO_LIBRARIES xiapi64)
elseif(WIN32)
list(APPEND VIDEOIO_LIBRARIES xiapi32)
elseif(APPLE)
list(APPEND VIDEOIO_LIBRARIES "-framework m3api")
else()
list(APPEND VIDEOIO_LIBRARIES m3api)
endif()
endif(HAVE_XIMEA)
if(HAVE_FFMPEG)
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)
if(UNIX AND BZIP2_LIBRARIES)
list(APPEND VIDEOIO_LIBRARIES ${BZIP2_LIBRARIES})
endif()
if(APPLE)
list(APPEND VIDEOIO_LIBRARIES "-framework VideoDecodeAcceleration" bz2)
endif()
if(HAVE_FFMPEG_WRAPPER)
add_definitions(-DHAVE_FFMPEG_WRAPPER=1)
endif()
endif(HAVE_FFMPEG)
if(HAVE_PVAPI)
add_definitions(-DHAVE_PVAPI)
add_definitions(${PVAPI_DEFINITIONS})
ocv_include_directories(${PVAPI_INCLUDE_PATH})
set(videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_pvapi.cpp ${videoio_srcs})
list(APPEND VIDEOIO_LIBRARIES ${PVAPI_LIBRARY})
endif()
if(HAVE_GIGE_API)
add_definitions(-DHAVE_GIGE_API)
ocv_include_directories(${GIGEAPI_INCLUDE_PATH})
set(videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_giganetix.cpp ${videoio_srcs})
list(APPEND VIDEOIO_LIBRARIES ${GIGEAPI_LIBRARIES})
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_giganetix.cpp)
endif(HAVE_GIGE_API)
if(HAVE_ARAVIS_API)
add_definitions(-DHAVE_ARAVIS_API)
ocv_include_directories(${ARAVIS_INCLUDE_PATH})
set(videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_aravis.cpp ${videoio_srcs})
list(APPEND VIDEOIO_LIBRARIES ${ARAVIS_LIBRARIES})
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_aravis.cpp)
endif(HAVE_ARAVIS_API)
if(HAVE_AVFOUNDATION)
if(IOS)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_avfoundation.mm)
list(APPEND VIDEOIO_LIBRARIES "-framework AVFoundation" "-framework QuartzCore")
else()
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_avfoundation_mac.mm)
list(APPEND VIDEOIO_LIBRARIES "-framework Cocoa" "-framework Accelerate" "-framework AVFoundation" "-framework CoreGraphics" "-framework CoreMedia" "-framework CoreVideo" "-framework QuartzCore")
endif()
endif()
if(HAVE_INTELPERC)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_intelperc.cpp)
ocv_include_directories(${INTELPERC_INCLUDE_DIR})
list(APPEND VIDEOIO_LIBRARIES ${INTELPERC_LIBRARIES})
endif(HAVE_INTELPERC)
if(HAVE_LIBREALSENSE)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_librealsense.cpp)
ocv_include_directories(${LIBREALSENSE_INCLUDE_DIR})
list(APPEND VIDEOIO_LIBRARIES ${LIBREALSENSE_LIBRARIES})
endif(HAVE_LIBREALSENSE)
if(HAVE_GPHOTO2)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_gphoto2.cpp)
endif(HAVE_GPHOTO2)
if(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 VIDEOIO_LIBRARIES "-framework Accelerate" "-framework AVFoundation" "-framework CoreGraphics" "-framework CoreImage" "-framework CoreMedia" "-framework CoreVideo" "-framework QuartzCore" "-framework UIKit")
endif()
if(UNIX)
#these variables are set by CHECK_MODULE macro
foreach(P ${VIDEOIO_INCLUDE_DIRS})
ocv_include_directories(${P})
endforeach()
foreach(P ${VIDEOIO_LIBRARY_DIRS})
link_directories(${P})
endforeach()
endif()
source_group("Src" FILES ${videoio_srcs} ${videoio_hdrs})
source_group("Include" FILES ${videoio_ext_hdrs})
ocv_set_module_sources(HEADERS ${videoio_ext_hdrs} SOURCES ${videoio_srcs} ${videoio_hdrs})
ocv_module_include_directories()
ocv_create_module(${VIDEOIO_LIBRARIES})
macro(ocv_videoio_configure_target)
if(APPLE)
add_apple_compiler_options(the_module)
endif()
if(MSVC)
set_target_properties(${the_module} PROPERTIES LINK_FLAGS "/NODEFAULTLIB:atlthunk.lib /NODEFAULTLIB:atlsd.lib /NODEFAULTLIB:libcmt.lib /DEBUG")
if(DEFINED WINRT AND NOT DEFINED ENABLE_WINRT_MODE_NATIVE)
set_target_properties(${the_module} PROPERTIES VS_DESKTOP_EXTENSIONS_VERSION "${CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION}")
endif()
endif()
ocv_warnings_disable(CMAKE_CXX_FLAGS -Wno-deprecated-declarations)
if(WIN32 AND HAVE_FFMPEG_WRAPPER)
#copy ffmpeg dll to the output folder
if(MSVC64 OR MINGW64)
set(FFMPEG_SUFFIX _64)
endif()
set(ffmpeg_dir "${OpenCV_BINARY_DIR}/3rdparty/ffmpeg")
set(ffmpeg_bare_name "opencv_ffmpeg${FFMPEG_SUFFIX}.dll")
set(ffmpeg_bare_name_ver "opencv_ffmpeg${OPENCV_DLLVERSION}${FFMPEG_SUFFIX}.dll")
set(ffmpeg_path "${ffmpeg_dir}/${ffmpeg_bare_name}")
if(MSVC_IDE)
add_custom_command(TARGET ${the_module} POST_BUILD
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}"
COMMENT "Copying ${ffmpeg_path} to the output directory")
elseif(MSVC AND (CMAKE_GENERATOR MATCHES "Visual"))
add_custom_command(TARGET ${the_module} POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy_if_different "${ffmpeg_path}" "${EXECUTABLE_OUTPUT_PATH}/${CMAKE_BUILD_TYPE}/${ffmpeg_bare_name_ver}"
COMMENT "Copying ${ffmpeg_path} to the output directory")
else()
add_custom_command(TARGET ${the_module} POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy_if_different "${ffmpeg_path}" "${EXECUTABLE_OUTPUT_PATH}/${ffmpeg_bare_name_ver}"
COMMENT "Copying ${ffmpeg_path} to the output directory")
endif()
install(FILES "${ffmpeg_path}" DESTINATION ${OPENCV_BIN_INSTALL_PATH} COMPONENT libs RENAME "${ffmpeg_bare_name_ver}")
if(INSTALL_CREATE_DISTRIB)
install(FILES "${ffmpeg_dir}/opencv_ffmpeg.dll" DESTINATION "bin/" COMPONENT libs RENAME "opencv_ffmpeg${OPENCV_DLLVERSION}.dll")
install(FILES "${ffmpeg_dir}/opencv_ffmpeg_64.dll" DESTINATION "bin/" COMPONENT libs RENAME "opencv_ffmpeg${OPENCV_DLLVERSION}_64.dll")
endif()
endif()
endmacro()
if(NOT BUILD_opencv_world)
ocv_videoio_configure_target()
endif()
ocv_add_accuracy_tests()
ocv_add_perf_tests()
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