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build aruco.DetectorParameters in Javascript #15514
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Description
System information (version)
- OpenCV => 4.1.1
- Operating System / Platform => Windows 64 Bit with Ubuntu subsystem for Linux
- Compiler => Emscripten
Detailed description
Hello,
I am attempting to build cv.aruco. DetectorParameters into Javascript, but receive the below error.
/mnt/c/Users/brandon/tests/emscripten/opencv-4.1.1/build_with_aruco_and_calib/modules/js/bindings.cpp:4339:42: error: use of undeclared identifier 'Detectorcv'
.constructor(select_overload<Ptr<Detectorcv::Parameters>()>(&cv::aruco::DetectorParameters::create))
^
/mnt/c/Users/brandon/tests/emscripten/opencv-4.1.1/build_with_aruco_and_calib/modules/js/bindings.cpp:4339:65: error: expected a type
.constructor(select_overload<Ptr<Detectorcv::Parameters>()>(&cv::aruco::DetectorParameters::create))
^
/mnt/c/Users/brandon/tests/emscripten/opencv-4.1.1/build_with_aruco_and_calib/modules/js/bindings.cpp:4340:54: error: expected '(' for function-style cast or type construction
.smart_ptr<Ptr<cv::aruco::DetectorParameters>>("Ptr<aruco_DetectorParameters>")
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
/mnt/c/Users/brandon/tests/emscripten/opencv-4.1.1/build_with_aruco_and_calib/modules/js/bindings.cpp:4342:9: error: member reference base type 'const char [30]' is not a structure or union
.property("adaptiveThreshWinSizeMin", &cv::aruco::DetectorParameters::adaptiveThreshWinSizeMin)
^~~~~~~~~
4 errors generated.
shared:ERROR: '/home/brandonkeithbiggs/emsdk/fastcomp/fastcomp/bin/clang++ -target asmjs-unknown-emscripten -D__EMSCRIPTEN_major__=1 -D__EMSCRIPTEN_minor__=38 -D__EMSCRIPTEN_tiny__=42 -D_LIBCPP_ABI_VERSION=2 -Werror=implicit-function-declaration -Xclang -nostdsysteminc -Xclang -isystem/home/brandonkeithbiggs/emsdk/fastcomp/emscripten/system/include/libcxx -Xclang -isystem/home/brandonkeithbiggs/emsdk/fastcomp/emscripten/system/lib/libcxxabi/include -Xclang -isystem/home/brandonkeithbiggs/emsdk/fastcomp/emscripten/system/include/compat -Xclang -isystem/home/brandonkeithbiggs/emsdk/fastcomp/emscripten/system/include -Xclang -isystem/home/brandonkeithbiggs/emsdk/fastcomp/emscripten/system/include/libc -Xclang -isystem/home/brandonkeithbiggs/emsdk/fastcomp/emscripten/system/lib/libc/musl/arch/emscripten -Xclang -isystem/home/brandonkeithbiggs/emsdk/fastcomp/emscripten/system/local/include -DEMSCRIPTEN -D_USE_MATH_DEFINES -D__OPENCV_BUILD=1 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/mnt/c/Users/brandon/tests/emscripten/opencv-4.1.1/build_with_aruco_and_calib -I/mnt/c/Users/brandon/tests/emscripten/opencv-4.1.1/modules/js/include -I/mnt/c/Users/brandon/tests/emscripten/opencv-4.1.1/build_with_aruco_and_calib/modules/js -I/mnt/c/Users/brandon/tests/emscripten/opencv-4.1.1/modules/core/include -I/mnt/c/Users/brandon/tests/emscripten/opencv-4.1.1/modules/flann/include -I/mnt/c/Users/brandon/tests/emscripten/opencv-4.1.1/modules/imgproc/include -I/mnt/c/Users/brandon/tests/emscripten/opencv-4.1.1/modules/photo/include -I/mnt/c/Users/brandon/tests/emscripten/opencv-4.1.1/modules/dnn/include -I/mnt/c/Users/brandon/tests/emscripten/opencv-4.1.1/modules/features2d/include -I/mnt/c/Users/brandon/tests/emscripten/opencv-4.1.1/modules/calib3d/include -I/mnt/c/Users/brandon/tests/emscripten/opencv-4.1.1/modules/objdetect/include -I/mnt/c/Users/brandon/tests/emscripten/opencv-4.1.1/modules/video/include -I/mnt/c/Users/brandon/tests/emscripten/opencv_contrib/modules/aruco/include -I/home/brandonkeithbiggs/emsdk/fastcomp/emscripten/system/include -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Winit-self -Winconsistent-missing-override -Wno-delete-non-virtual-dtor -Wno-unnamed-type-template-args -Wno-comment -fdiagnostics-show-option -pthread -Qunused-arguments -ffunction-sections -fdata-sections -fvisibility=hidden -fvisibility-inlines-hidden -DNDEBUG -O2 -DNDEBUG -fPIE -std=c++11 -Wno-missing-prototypes -std=c++11 -c -mllvm -disable-llvm-optzns /mnt/c/Users/brandon/tests/emscripten/opencv-4.1.1/build_with_aruco_and_calib/modules/js/bindings.cpp -Xclang -disable-O0-optnone -Xclang -isystem/home/brandonkeithbiggs/emsdk/fastcomp/emscripten/system/include/SDL -c -o CMakeFiles/opencv_js.dir/bindings.cpp.o -emit-llvm' failed (1)
modules/js/CMakeFiles/opencv_js.dir/build.make:138: recipe for target 'modules/js/CMakeFiles/opencv_js.dir/bindings.cpp.o' failed
make[3]: *** [modules/js/CMakeFiles/opencv_js.dir/bindings.cpp.o] Error 1
make[3]: Leaving directory '/mnt/c/Users/brandon/tests/emscripten/opencv-4.1.1/build_with_aruco_and_calib'
CMakeFiles/Makefile2:3785: recipe for target 'modules/js/CMakeFiles/opencv_js.dir/all' failed
make[2]: *** [modules/js/CMakeFiles/opencv_js.dir/all] Error 2
make[2]: Leaving directory '/mnt/c/Users/brandon/tests/emscripten/opencv-4.1.1/build_with_aruco_and_calib'
CMakeFiles/Makefile2:3749: recipe for target 'modules/js/CMakeFiles/opencv.js.dir/rule' failed
make[1]: *** [modules/js/CMakeFiles/opencv.js.dir/rule] Error 2
make[1]: Leaving directory '/mnt/c/Users/brandon/tests/emscripten/opencv-4.1.1/build_with_aruco_and_calib'
Makefile:637: recipe for target 'opencv.js' failed
make: *** [opencv.js] Error 2
Traceback (most recent call last):
File "./platforms/js/build_js.py", line 237, in <module>
builder.build_opencvjs()
File "./platforms/js/build_js.py", line 172, in build_opencvjs
execute(["make", "-j", str(multiprocessing.cpu_count()), "opencv.js"])
File "./platforms/js/build_js.py", line 23, in execute
raise Fail("Child returned: %s" % retcode)
__main__.Fail: Child returned: 2
Steps to reproduce
I modified embindgen.py in the aruco section to be:
aruco = {'': ['detectMarkers', 'drawDetectedMarkers', 'drawAxis', 'estimatePoseSingleMarkers', 'estimatePoseBoard', 'estimatePoseCharucoBoard', 'interpolateCornersCharuco', 'drawDetectedCornersCharuco'],
'aruco_Dictionary': ['get', 'drawMarker'],
'aruco_Board': ['create'],
'aruco_GridBoard': ['create', 'draw'],
'aruco_CharucoBoard': ['create', 'draw'],
'aruco_DetectorParameters': ['create'],
}
Compiling without the:
'aruco_DetectorParameters': ['create'],
Works great. Any ideas what these errors mean?
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