CV_EXPORTS_W void warpPerspective( InputArray src, OutputArray dst,
InputArray M, Size dsize,
int flags = INTER_LINEAR,
int borderMode = BORDER_CONSTANT,
const Scalar& borderValue = Scalar());
I use cv::warpPerspective to perspective a image ,
In the case of the same input parameters,the library compiled by myself takes longer than the release library (Download OpenCV from SourceForge.net) .What is the default compilation parameters of opencv-4.5.2-android-sdk.zip ?
Below are my compilation parameters
${CMAKE} \
-DCMAKE_SHARED_LINKER_FLAGS="-Wl,-soname,libopencv_java4.so" \
-DCMAKE_TOOLCHAIN_FILE=$CMAKE_TOOLCHAIN_PATH \
-DCMAKE_BUILD_TYPE=Release \
-DANDROID_ARM_NEON=ON \
-DANDROID_NDK=$NDK_PATH \
-DCMAKE_CXX_FLAGS=-std=c++11 \
-DENABLE_THIN_LTO=ON \
-DANDROID_ABI="$ARCH_ABI" \
-DANDROID_STL=c++_shared \
-DENABLE_CXX11=ON \
-DBUILD_ANDROID_PROJECTS=OFF \
-DBUILD_ANDROID_EXAMPLES=OFF \
-DBUILD_JAVA=OFF \
-DWITH_QUIRC=OFF \
-DBUILD_CUDA_STUBS=OFF \
-DBUILD_DOCS=OFF \
-DBUILD_EXAMPLES=OFF \
-DBUILD_JASPER=OFF \
-DBUILD_PROTOBUF=OFF \
-DBUILD_JPEG=ON \
-DBUILD_OPENEXR=OFF \
-DBUILD_PACKAGE=OFF \
-DBUILD_PERF_TESTS=OFF \
-DBUILD_PNG=ON \
-DBUILD_SHARED_LIBS=ON \
-DBUILD_TBB=OFF \
-DBUILD_TESTS=OFF \
-DBUILD_TIFF=OFF \
-DBUILD_WITH_DEBUG_INFO=OFF \
-DBUILD_WITH_DYNAMIC_IPP=OFF \
-DBUILD_ZLIB=ON \
-DBUILD_opencv_apps=OFF \
-DBUILD_opencv_dnn=OFF \
-DBUILD_opencv_calib3d=ON \
-DBUILD_opencv_core=ON \
-DBUILD_opencv_features2d=ON \
-DBUILD_opencv_flann=ON \
-DBUILD_opencv_highgui=OFF \
-DBUILD_opencv_imgcodecs=ON \
-DBUILD_opencv_imgproc=ON \
-DBUILD_opencv_ml=OFF \
-DBUILD_opencv_objdetect=OFF \
-DBUILD_opencv_photo=ON \
-DBUILD_opencv_python2=OFF \
-DBUILD_opencv_python3=OFF \
-DBUILD_opencv_shape=OFF \
-DBUILD_opencv_stitching=OFF \
-DBUILD_opencv_superres=OFF \
-DBUILD_opencv_ts=OFF \
-DBUILD_opencv_video=ON \
-DBUILD_opencv_videoio=OFF \
-DBUILD_opencv_videostab=OFF \
-DBUILD_opencv_world=ON \
-DWITH_IPP=OFF \
-DWITH_FFMPEG=OFF \
-DWITH_CUDA=ON \
-DWITH_CUFFT=ON \
-DWITH_EIGEN=OFF \
-DWITH_JASPER=OFF \
-DWITH_JPEG=ON \
-DWITH_PNG=ON \
-DWITH_OPENCL=ON \
-DWITH_PTHREADS_PF=ON \
-DWITH_OPENEXR=ON \
-DWITH_MATLAB=OFF \
-DWITH_OPENMP=ON \
-DWITH_TBB=ON \
-DWITH_TIFF=OFF \
-DWITH_WEBP=OFF \
-DENABLE_NEON=ON \
-DANDROID_NATIVE_API_LEVEL=${API_LEVEL} \
../../${OPENCV_DIRNAME}