1if get_option('opencv').disabled()
2  subdir_done()
3endif
4
5gstopencv_sources = [
6  'gstcvdilate.cpp',
7  'gstcvdilateerode.cpp',
8  'gstcvequalizehist.cpp',
9  'gstcverode.cpp',
10  'gstcvlaplace.cpp',
11  'gstcvsmooth.cpp',
12  'gstcvsobel.cpp',
13  'gstdisparity.cpp',
14  'gstedgedetect.cpp',
15  'gstfaceblur.cpp',
16  'gstfacedetect.cpp',
17  'gstgrabcut.cpp',
18  'gsthanddetect.cpp',
19  'gstmotioncells.cpp',
20  'gstopencv.cpp',
21  'gstretinex.cpp',
22  'gstsegmentation.cpp',
23  'gstskindetect.cpp',
24  'gsttemplatematch.cpp',
25  'gsttextoverlay.cpp',
26  'MotionCells.cpp',
27  'motioncells_wrapper.cpp',
28  'gstdewarp.cpp',
29  'camerautils.cpp',
30  'cameraevent.cpp',
31  'gstcameracalibrate.cpp',
32  'gstcameraundistort.cpp'
33]
34
35libopencv_headers = [
36  'opencv2/bgsegm.hpp',
37  'opencv2/calib3d.hpp',
38  'opencv2/core.hpp',
39  'opencv2/imgproc.hpp',
40  'opencv2/objdetect.hpp',
41  'opencv2/opencv.hpp',
42  'opencv2/video.hpp',
43]
44
45libopencv4_headers = [
46  'opencv4/opencv2/bgsegm.hpp',
47  'opencv4/opencv2/calib3d.hpp',
48  'opencv4/opencv2/core.hpp',
49  'opencv4/opencv2/imgproc.hpp',
50  'opencv4/opencv2/objdetect.hpp',
51  'opencv4/opencv2/opencv.hpp',
52  'opencv4/opencv2/video.hpp',
53]
54
55gstopencv_cargs = ['-DGST_HAAR_CASCADES_DIR="@0@"']
56
57opencv_dep = dependency('opencv', version : ['>= 3.0.0', '< 3.5.0'], required : false)
58opencv_found = opencv_dep.found()
59
60if opencv_found
61  foreach h : libopencv_headers
62    if not cxx.has_header(h)
63      message('Needed header "' + h + '" not found')
64      opencv_found = false
65    endif
66  endforeach
67else
68  opencv_dep = dependency('opencv4', version : ['>= 4.0.0', '< 4.2.0'], required : false)
69  opencv_found = opencv_dep.found()
70  if opencv_found
71    foreach h : libopencv4_headers
72      if not cxx.has_header(h)
73        message('Needed header "' + h + '" not found')
74        opencv_found = false
75      endif
76    endforeach
77  endif
78endif
79
80if opencv_found
81  opencv_prefix = opencv_dep.get_pkgconfig_variable('prefix')
82  gstopencv_cargs += ['-DOPENCV_PREFIX="' + opencv_prefix + '"']
83
84  # Check the data dir used by opencv for its xml data files
85  # Use prefix from pkg-config to be compatible with cross-compilation
86  r = run_command('test', '-d', opencv_prefix + '/share/opencv')
87  if r.returncode() == 0
88    gstopencv_cargs += '-DOPENCV_PATH_NAME="opencv"'
89  else
90    r = run_command('test', '-d', opencv_prefix + '/share/OpenCV')
91    if r.returncode() == 0
92      gstopencv_cargs += '-DOPENCV_PATH_NAME="OpenCV"'
93    else
94      r = run_command('test', '-d', opencv_prefix + '/share/opencv4')
95      if r.returncode() == 0
96        gstopencv_cargs += '-DOPENCV_PATH_NAME="opencv4"'
97      else
98        error('Unable to detect OpenCV data directory')
99      endif
100    endif
101  endif
102  gstopencv = library('gstopencv',
103    gstopencv_sources,
104    cpp_args : gst_plugins_bad_args + gstopencv_cargs + [ '-DGST_USE_UNSTABLE_API' ],
105    link_args : noseh_link_args,
106    include_directories : [configinc, libsinc],
107    dependencies : [gstbase_dep, gstvideo_dep, opencv_dep, gstopencv_dep],
108    install : true,
109    install_dir : plugins_install_dir,
110  )
111  pkgconfig.generate(gstopencv, install_dir : plugins_pkgconfig_install_dir)
112elif get_option('opencv').enabled()
113  error('OpenCV support enabled but required dependencies were not found.')
114endif
115