gstreamer/ext/opencv/meson.build
Nirbheek Chauhan 2160e0e2bd meson: Rework opencv plugin checks
a) Use get_pkgconfig_variable() to get the opencv prefix
b) Place an upper limit on the opencv version
c) Ensure that headers are available

(b) and (c) just copy what the configure.ac checks do.
2016-11-29 02:00:52 +05:30

84 lines
2.6 KiB
Meson

gstopencv_sources = [
'gstcvdilate.cpp',
'gstcvdilateerode.cpp',
'gstcvequalizehist.cpp',
'gstcverode.cpp',
'gstcvlaplace.cpp',
'gstcvsmooth.cpp',
'gstcvsobel.cpp',
'gstdisparity.cpp',
'gstedgedetect.cpp',
'gstfaceblur.cpp',
'gstfacedetect.cpp',
'gstgrabcut.cpp',
'gsthanddetect.cpp',
'gstmotioncells.cpp',
'gstopencv.cpp',
'gstretinex.cpp',
'gstsegmentation.cpp',
'gstskindetect.cpp',
'gsttemplatematch.cpp',
'gsttextoverlay.cpp',
'MotionCells.cpp',
'motioncells_wrapper.cpp'
]
libopencv2_headers = [
'opencv2/core/core_c.h',
'opencv2/core/version.hpp',
'opencv2/highgui/highgui_c.h',
'opencv2/imgproc/imgproc.hpp',
'opencv2/imgproc/imgproc_c.h',
'opencv2/objdetect/objdetect.hpp',
'opencv2/video/background_segm.hpp',
]
gstopencv_cargs = ['-DGST_HAAR_CASCADES_DIR="@0@"']
# First, check for the upper version limit and ensure it isn't found
# FIXME: When 0.37.0 is released, change this to use many-version-conditions
opencv3_dep = dependency('opencv', version : '>3.1.0', required : false)
# Then, check if the lower version limit is found
opencv2_dep = dependency('opencv', version : '>=2.3.0', required : false)
opencv2_found = false
if opencv3_dep.found()
message('OpenCV version is too new: \'' + opencv3_dep.version() + '\' (need <= 3.1.0)')
elif opencv2_dep.found()
message('OpenCV found, version is \'' + opencv2_dep.version() + '\'')
opencv2_found = true
foreach h : libopencv2_headers
if not cxx.has_header(h)
message('Needed header "' + h + '" not found')
opencv2_found = false
endif
endforeach
endif
if opencv2_found
opencv2_prefix = opencv2_dep.get_pkgconfig_variable('prefix')
gstopencv_cargs += ['-DOPENCV_PREFIX="' + opencv2_prefix + '"']
# Check the data dir used by opencv for its xml data files
# Use prefix from pkg-config to be compatible with cross-compilation
r = run_command('test', '-d', opencv2_prefix + '/share/opencv')
if r.returncode() == 0
gstopencv_cargs += '-DOPENCV_PATH_NAME="opencv"'
else
r = run_command('test', '-d', opencv2_prefix + '/share/OpenCV')
if r.returncode() == 0
gstopencv_cargs += '-DOPENCV_PATH_NAME="OpenCv"'
else
error('Unable to detect OpenCV data directory')
endif
endif
gstopencv = library('gstopencv',
gstopencv_sources,
cpp_args : gst_plugins_bad_args + gstopencv_cargs + [ '-DGST_USE_UNSTABLE_API' ],
link_args : noseh_link_args,
include_directories : [configinc],
dependencies : [gstbase_dep, gstvideo_dep, opencv2_dep, gstopencv_dep],
install : true,
install_dir : plugins_install_dir,
)
endif