Face Detection using dlib/OpenCV in WebAssembly
- cmake
- Install emscripten with emsdk
- Activate emscripten installation with
source /path/to/emsdk/emsdk_env.sh
- Activate emscripten installation with
npm install
npm run configure:cpp
npm run build:cpp
npm run serve
git clone git@github.com:opencv/opencv.git
git clone git@github.com:opencv/opencv_contrib.git
cd opencv
- Edit
opencv/platforms/js/build_js.py
diff --git a/platforms/js/build_js.py b/platforms/js/build_js.py
index 10e04ea020..52747c31d2 100644
--- a/platforms/js/build_js.py
+++ b/platforms/js/build_js.py
@@ -78,6 +78,8 @@ class Builder:
def get_cmake_cmd(self):
cmd = ["cmake",
+ "-DCMAKE_INSTALL_PREFIX=install",
+ "-DOPENCV_EXTRA_MODULES_PATH=../../opencv_contrib/modules",
"-DENABLE_PIC=FALSE", # To workaround emscripten upstream backend issue https://github.com/emscripten-core/emscripten/issues/8761
"-DCMAKE_BUILD_TYPE=Release",
"-DCMAKE_TOOLCHAIN_FILE='%s'" % self.get_toolchain_file(),
@@ -123,7 +125,7 @@ class Builder:
"-DBUILD_opencv_gapi=OFF",
"-DBUILD_opencv_ml=OFF",
"-DBUILD_opencv_photo=ON",
- "-DBUILD_opencv_imgcodecs=OFF",
+ "-DBUILD_opencv_imgcodecs=ON",
"-DBUILD_opencv_shape=OFF",
"-DBUILD_opencv_videoio=OFF",
"-DBUILD_opencv_videostab=OFF",
@@ -132,10 +134,11 @@ class Builder:
"-DBUILD_opencv_stitching=OFF",
"-DBUILD_opencv_java=OFF",
"-DBUILD_opencv_java_bindings_generator=OFF",
- "-DBUILD_opencv_js=ON",
+ "-DBUILD_opencv_js=OFF",
"-DBUILD_opencv_python2=OFF",
"-DBUILD_opencv_python3=OFF",
"-DBUILD_opencv_python_bindings_generator=OFF",
+ "-DBUILD_opencv_dnn_objdetect=OFF",
"-DBUILD_EXAMPLES=OFF",
"-DBUILD_PACKAGE=OFF",
"-DBUILD_TESTS=OFF",
python ./platforms/js/build_js.py build_wasm --build_wasm --emscripten_dir=/path/to/emscripten --config_only
cd build_wasm
emmake make
emmake make install
- OpenCV lib and headers are installed in
build_wasm/install
diretory