1if get_option('opencv').disabled() 2 opencv_dep = disabler() 3 subdir_done() 4endif 5 6gstopencv_sources = [ 7 'gstcvdilate.cpp', 8 'gstcvdilateerode.cpp', 9 'gstcvequalizehist.cpp', 10 'gstcverode.cpp', 11 'gstcvlaplace.cpp', 12 'gstcvsmooth.cpp', 13 'gstcvsobel.cpp', 14 'gstdisparity.cpp', 15 'gstedgedetect.cpp', 16 'gstfaceblur.cpp', 17 'gstfacedetect.cpp', 18 'gstgrabcut.cpp', 19 'gsthanddetect.cpp', 20 'gstmotioncells.cpp', 21 'gstopencv.cpp', 22 'gstretinex.cpp', 23 'gstsegmentation.cpp', 24 'gstskindetect.cpp', 25 'gsttemplatematch.cpp', 26 'gsttextoverlay.cpp', 27 'MotionCells.cpp', 28 'motioncells_wrapper.cpp', 29 'gstdewarp.cpp', 30 'camerautils.cpp', 31 'cameraevent.cpp', 32 'gstcameracalibrate.cpp', 33 'gstcameraundistort.cpp', 34 'gstcvtracker.cpp' 35] 36 37libopencv_headers = [ 38 'opencv2/bgsegm.hpp', 39 'opencv2/calib3d.hpp', 40 'opencv2/core.hpp', 41 'opencv2/imgproc.hpp', 42 'opencv2/objdetect.hpp', 43 'opencv2/opencv.hpp', 44 'opencv2/video.hpp', 45 'opencv2/tracking.hpp', 46] 47 48libopencv4_headers = [ 49 'opencv4/opencv2/bgsegm.hpp', 50 'opencv4/opencv2/calib3d.hpp', 51 'opencv4/opencv2/core.hpp', 52 'opencv4/opencv2/imgproc.hpp', 53 'opencv4/opencv2/objdetect.hpp', 54 'opencv4/opencv2/opencv.hpp', 55 'opencv4/opencv2/video.hpp', 56 'opencv4/opencv2/tracking.hpp', 57] 58 59gstopencv_cargs = ['-DGST_HAAR_CASCADES_DIR="@0@"'] 60 61opencv_dep = dependency('opencv', version : ['>= 3.0.0', '< 3.5.0'], required : false) 62opencv_found = opencv_dep.found() 63 64if opencv_found 65 foreach h : libopencv_headers 66 if not cxx.has_header(h) 67 message('Needed header "' + h + '" not found') 68 opencv_found = false 69 endif 70 endforeach 71endif 72 73if not opencv_found 74 opencv_dep = dependency('opencv4', version : ['>= 4.0.0', '< 4.7.0'], required : false) 75 opencv_found = opencv_dep.found() 76 if opencv_found 77 foreach h : libopencv4_headers 78 if not cxx.has_header(h) 79 message('Needed header "' + h + '" not found') 80 opencv_found = false 81 endif 82 endforeach 83 endif 84endif 85 86if opencv_found 87 opencv_prefix = opencv_dep.get_variable('prefix') 88 gstopencv_cargs += ['-DOPENCV_PREFIX="' + opencv_prefix + '"'] 89 90 # Check the data dir used by opencv for its xml data files 91 # Use prefix from pkg-config to be compatible with cross-compilation 92 r = run_command('test', '-d', opencv_prefix + '/share/opencv', check: false) 93 if r.returncode() == 0 94 gstopencv_cargs += '-DOPENCV_PATH_NAME="opencv"' 95 else 96 r = run_command('test', '-d', opencv_prefix + '/share/OpenCV', check: false) 97 if r.returncode() == 0 98 gstopencv_cargs += '-DOPENCV_PATH_NAME="OpenCV"' 99 else 100 r = run_command('test', '-d', opencv_prefix + '/share/opencv4', check: false) 101 if r.returncode() == 0 102 gstopencv_cargs += '-DOPENCV_PATH_NAME="opencv4"' 103 else 104 message('Unable to detect OpenCV data directory') 105 opencv_found = false 106 endif 107 endif 108 endif 109endif 110 111if opencv_found 112 # opencv4 seems to ship with .pc file that references non-existent include dir 113 # (/usr/include/opencv4/opencv instead of /usr/include/opencv4/opencv2) 114 # clang 10 complains about the following header in opencv4 115 # /usr/include/opencv4/opencv2/flann/logger.h:83:36: error: format string is not a string literal [-Werror,-Wformat-nonliteral] 116 gstopencv_cargs += cxx.get_supported_arguments(['-Wno-missing-include-dirs', '-Wno-format-nonliteral']) 117 118 gstopencv = library('gstopencv', 119 gstopencv_sources, 120 cpp_args : gst_plugins_bad_args + gstopencv_cargs + [ '-DGST_USE_UNSTABLE_API' ], 121 link_args : [noseh_link_args, '-lopencv_tracking'], 122 include_directories : [configinc, libsinc], 123 dependencies : [gstbase_dep, gstvideo_dep, opencv_dep, gstopencv_dep], 124 install : true, 125 install_dir : plugins_install_dir, 126 ) 127 pkgconfig.generate(gstopencv, install_dir : plugins_pkgconfig_install_dir) 128 plugins += [gstopencv] 129elif get_option('opencv').enabled() 130 error('OpenCV support enabled but required dependencies were not found.') 131endif 132