{"id":229789,"date":"2020-12-17T08:16:32","date_gmt":"2020-12-17T00:16:32","guid":{"rendered":"http:\/\/4563.org\/?p=229789"},"modified":"2020-12-17T08:16:32","modified_gmt":"2020-12-17T00:16:32","slug":"%e8%af%b7%e6%95%99%e4%b8%80%e4%b8%aa%e5%8a%a8%e6%80%81%e9%93%be%e6%8e%a5%e5%ba%93%e6%9e%84%e5%bb%ba%e7%9a%84%e9%97%ae%e9%a2%98-c-android-opencv","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=229789","title":{"rendered":"\u8bf7\u6559\u4e00\u4e2a\u52a8\u6001\u94fe\u63a5\u5e93\u6784\u5efa\u7684\u95ee\u9898 (c++) (android) (opencv)"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  \u8bf7\u6559\u4e00\u4e2a\u52a8\u6001\u94fe\u63a5\u5e93\u6784\u5efa\u7684\u95ee\u9898 (c++) (android) (opencv)               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : nthhdy <\/span>  <span><i><\/i> 5<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<p>\u5404\u4f4d\u5927\u4f6c<\/p>\n<p>\u6b63\u5728\u5f00\u53d1\u4e00\u4e2a\u5b89\u5353 app\uff0c\u7528\u5230 jni\uff0c\u5728 c++ \u91cc\u8c03\u7528 opencv \u3002\u4f46\u662f opencv \u59cb\u7ec8\u4e0d\u80fd\u8fde\u63a5\u6210\u529f\uff0c\u94fe\u63a5\u65f6\u9519\u8bef\u65e5\u5fd7\uff08\u622a\u51e0\u884c\uff09\u5982\u4e0b\uff1a<\/p>\n<pre><code>\/Users\/rqs\/proj\/android_robot\/build\/intermediates\/ndkBuild\/release\/obj\/local\/arm64-v8a\/objs\/native-lib\/native_jni.o: In function `String': \/Users\/rqs\/proj\/android_robot\/opencv_prebuilt\/sdk\/native\/jni\/include\/opencv2\/core\/cvstd.hpp:602: undefined reference to `cv::String::allocate(unsigned long)' \/Users\/rqs\/proj\/android_robot\/build\/intermediates\/ndkBuild\/release\/obj\/local\/arm64-v8a\/objs\/native-lib\/native_jni.o: In function `Java_com_turingvideo_robot_jni_NativeHelper_drawText': \/Users\/rqs\/proj\/android_robot\/src\/main\/jni\/native_jni.cpp:150: undefined reference to `cv::putText(cv::_InputOutputArray const&amp;, cv::String const&amp;, cv::Point_&lt;int&gt;, int, double, cv::Scalar_&lt;double&gt;, int, int, bool)' \/Users\/rqs\/proj\/android_robot\/build\/intermediates\/ndkBuild\/release\/obj\/local\/arm64-v8a\/objs\/native-lib\/native_jni.o: In function `~String': \/Users\/rqs\/proj\/android_robot\/opencv_prebuilt\/sdk\/native\/jni\/include\/opencv2\/core\/cvstd.hpp:648: undefined reference to `cv::String::deallocate()' \/Users\/rqs\/proj\/android_robot\/build\/intermediates\/ndkBuild\/release\/obj\/local\/arm64-v8a\/objs\/native-lib\/native_jni.o: In function `String': \/Users\/rqs\/proj\/android_robot\/opencv_prebuilt\/sdk\/native\/jni\/include\/opencv2\/core\/cvstd.hpp:602: undefined reference to `cv::String::allocate(unsigned long)' \/Users\/rqs\/proj\/android_robot\/build\/intermediates\/ndkBuild\/release\/obj\/local\/arm64-v8a\/objs\/native-lib\/native_jni.o: In function `Java_com_turingvideo_robot_jni_NativeHelper_drawText': \/Users\/rqs\/proj\/android_robot\/src\/main\/jni\/native_jni.cpp:151: undefined reference to `cv::putText(cv::_InputOutputArray const&amp;, cv::String const&amp;, cv::Point_&lt;int&gt;, int, double, cv::Scalar_&lt;double&gt;, int, int, bool)' \/Users\/rqs\/proj\/android_robot\/build\/intermediates\/ndkBuild\/release\/obj\/local\/arm64-v8a\/objs\/native-lib\/native_jni.o: In function `~String': \/Users\/rqs\/proj\/android_robot\/opencv_prebuilt\/sdk\/native\/jni\/include\/opencv2\/core\/cvstd.hpp:648: undefined reference to `cv::String::deallocate()' \/Users\/rqs\/proj\/android_robot\/build\/intermediates\/ndkBuild\/release\/obj\/local\/arm64-v8a\/objs\/native-lib\/native_jni.o: In function `String': \/Users\/rqs\/proj\/android_robot\/opencv_prebuilt\/sdk\/native\/jni\/include\/opencv2\/core\/cvstd.hpp:602: undefined reference to `cv::String::allocate(unsigned long)' \/Users\/rqs\/proj\/android_robot\/build\/intermediates\/ndkBuild\/release\/obj\/local\/arm64-v8a\/objs\/native-lib\/native_jni.o: In function `Java_com_turingvideo_robot_jni_NativeHelper_drawText': \/Users\/rqs\/proj\/android_robot\/src\/main\/jni\/native_jni.cpp:153: undefined reference to `cv::putText(cv::_InputOutputArray const&amp;, cv::String const&amp;, cv::Point_&lt;int&gt;, int, double, cv::Scalar_&lt;double&gt;, int, int, bool)' \/Users\/rqs\/proj\/android_robot\/build\/intermediates\/ndkBuild\/release\/obj\/local\/arm64-v8a\/objs\/native-lib\/native_jni.o: In function `~String': \/Users\/rqs\/proj\/android_robot\/opencv_prebuilt\/sdk\/native\/jni\/include\/opencv2\/core\/cvstd.hpp:648: undefined reference to `cv::String::deallocate()' \/Users\/rqs\/proj\/android_robot\/build\/intermediates\/ndkBuild\/release\/obj\/local\/arm64-v8a\/objs\/native-lib\/native_jni.o: In function `String': \/Users\/rqs\/proj\/android_robot\/opencv_prebuilt\/sdk\/native\/jni\/include\/opencv2\/core\/cvstd.hpp:602: undefined reference to `cv::String::allocate(unsigned long)'   <\/code><\/pre>\n<p>\u6211\u7406\u89e3 undefined reference \u5c31\u662f\u94fe\u63a5\u65f6\u627e\u4e0d\u5230\u67d0\u4e2a\u7b26\u53f7\u7684\u5b9e\u73b0\uff0c\u4e00\u822c\u662f\u56e0\u4e3a\u67d0\u4e2a\u5e93\u7684\u7f3a\u5931\u3001\u67d0\u4e2a\u5e93\u7684\u7248\u672c\u4e0d\u5bf9\uff0c\u7c7b\u578b\u4e0d\u5339\u914d\u3002<\/p>\n<p>\u6211\u627e\u5230\u4e86\u6784\u5efa\u5de5\u5177\u6267\u884c\u7684\u94fe\u63a5\u8bed\u53e5\uff0c\u4e5f\u6bd4\u8f83\u957f\uff1a<\/p>\n<pre><code> \/Users\/rqs\/Library\/Android\/sdk\/ndk\/21.3.6528147\/toolchains\/llvm\/prebuilt\/darwin-x86_64\/bin\/clang++         -Wl,-soname,libnative-lib.so         -shared         \/Users\/rqs\/proj\/android_robot\/build\/intermediates\/ndkBuild\/debug\/obj\/local\/arm64-v8a\/objs-debug\/native-lib\/native_jni.o         \/Users\/rqs\/proj\/android_robot\/build\/intermediates\/ndkBuild\/debug\/obj\/local\/arm64-v8a\/objs-debug\/native-lib\/src\/arucotag.o         \/Users\/rqs\/proj\/android_robot\/build\/intermediates\/ndkBuild\/debug\/obj\/local\/arm64-v8a\/objs-debug\/native-lib\/src\/utils.o         \/Users\/rqs\/proj\/android_robot\/build\/intermediates\/ndkBuild\/debug\/obj\/local\/arm64-v8a\/objs-debug\/native-lib\/src\/occupancy_grid.o         \/Users\/rqs\/proj\/android_robot\/build\/intermediates\/ndkBuild\/debug\/obj\/local\/arm64-v8a\/objs-debug\/native-lib\/src\/occupancy_grid_jni.o         \/Users\/rqs\/proj\/android_robot\/build\/intermediates\/ndkBuild\/debug\/obj\/local\/arm64-v8a\/objs-debug\/native-lib\/src\/virtual_wall_grid_jni.o         \/Users\/rqs\/proj\/android_robot\/build\/intermediates\/ndkBuild\/debug\/obj\/local\/arm64-v8a\/objs-debug\/native-lib\/src\/virtual_wall_grid.o         \/Users\/rqs\/proj\/android_robot\/opencv_prebuilt\/sdk\/native\/staticlibs\/arm64-v8a\/libopencv_aruco.a         \/Users\/rqs\/proj\/android_robot\/opencv_prebuilt\/sdk\/native\/staticlibs\/arm64-v8a\/libopencv_highgui.a         \/Users\/rqs\/proj\/android_robot\/opencv_prebuilt\/sdk\/native\/staticlibs\/arm64-v8a\/libopencv_calib3d.a         \/Users\/rqs\/proj\/android_robot\/opencv_prebuilt\/sdk\/native\/staticlibs\/arm64-v8a\/libopencv_imgproc.a         \/Users\/rqs\/proj\/android_robot\/opencv_prebuilt\/sdk\/native\/3rdparty\/libs\/arm64-v8a\/libcpufeatures.a         \/Users\/rqs\/proj\/android_robot\/opencv_prebuilt\/sdk\/native\/3rdparty\/libs\/arm64-v8a\/libtegra_hal.a         \/Users\/rqs\/proj\/android_robot\/opencv_prebuilt\/sdk\/native\/staticlibs\/arm64-v8a\/libopencv_core.a         -lgcc         -Wl,--exclude-libs,libgcc.a         -Wl,--exclude-libs,libgcc_real.a         -latomic         -Wl,--exclude-libs,libatomic.a         \/Users\/rqs\/proj\/android_robot\/build\/intermediates\/ndkBuild\/debug\/obj\/local\/arm64-v8a\/libc++_shared.so         -target         aarch64-none-linux-android21         -no-canonical-prefixes         -Wl,--build-id         -ljnigraphics         -nostdlib++         -Wl,--no-undefined         -Wl,--fatal-warnings         -llog -ldl -lz -lm -lc -lm         -o \/Users\/rqs\/proj\/android_robot\/build\/intermediates\/ndkBuild\/debug\/obj\/local\/arm64-v8a\/libnative-lib.so          <\/code><\/pre>\n<p>\u62ff\u9519\u8bef\u91cc\u63d0\u5230\u7684<code>cv::String::deallocate()<\/code> \u6765\u8bf4\uff0c\u6211\u5728\u6211\u6307\u5b9a\u7684 libopencv_core \u8fd9\u4e2a\u9759\u6001\u5e93\u4e2d\u80fd\u591f\u627e\u5230\u8fd9\u4e2a\u5b9e\u73b0\uff0cnm \u663e\u793a\u5982\u4e0b\uff1a<\/p>\n<pre><code> [19:44:57] rqs:opencv_prebuilt git:(1e0923e*) $ nm -CA \/Users\/rqs\/proj\/android_robot\/opencv_prebuilt\/sdk\/native\/staticlibs\/arm64-v8a\/libopencv_core.a | grep deallocate | grep ' T ' \/Users\/rqs\/proj\/android_robot\/opencv_prebuilt\/sdk\/native\/staticlibs\/arm64-v8a\/libopencv_core.a:matrix.cpp.o: 0000000000000000 T cv::Mat::deallocate() \/Users\/rqs\/proj\/android_robot\/opencv_prebuilt\/sdk\/native\/staticlibs\/arm64-v8a\/libopencv_core.a:stl.cpp.o: 0000000000000000 T cv::String::deallocate() \/Users\/rqs\/proj\/android_robot\/opencv_prebuilt\/sdk\/native\/staticlibs\/arm64-v8a\/libopencv_core.a:umatrix.cpp.o: 0000000000000000 T cv::UMat::deallocate()  <\/code><\/pre>\n<p>\u53ef\u89c1\u91cc\u9762\u6709\u4ee3\u7801\u6bb5\u7684\u5168\u5c40\u7684 <code>cv::String::deallocate<\/code>\uff0c\u5b83\u662f\u4e00\u4e2a\u4e0d\u63a5\u53d7\u53c2\u6570\u7684\u51fd\u6570\uff0c\u6240\u4ee5\u4e0d\u4f1a\u56e0\u4e3a\u53c2\u6570\u7c7b\u578b\u4e0d\u5339\u914d\u5bfc\u81f4\u6574\u4f53\u4e0d\u5339\u914d\u3002<\/p>\n<p>\u65e2\u7136\u63d0\u4f9b\u4e86\u8fd9\u4e2a\u9759\u6001\u94fe\u63a5\u5e93\uff0c\u5e93\u91cc\u9762\u4e5f\u6709\u5b83\u7684\u5b9e\u73b0\uff0c\u4e3a\u4ec0\u4e48\u8fd8\u662f\u4f1a\u6709\u94fe\u63a5\u9519\u8bef\u5462\uff1f\u8bf7\u6307\u6559\uff0c\u8c22\u8c22\uff01<\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>21<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li data-pid=\"4712362\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : GeruzoniAnsasu <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u94fe\u63a5\u547d\u4ee4\u884c\u91cc\u538b\u6839\u5c31\u6ca1\u6709 opencv \u76f8\u5173\u7684\u5e93<\/p>\n<p>\u4f60\u53ea include \u5230\u4e86 cv \u7684\u5934\u6587\u4ef6\uff0c\u6ca1\u6709\u6307\u5b9a\u94fe\u63a5\u5e93                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4712363\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : pursuer <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u6709\u7b26\u53f7\u4e0d\u4e00\u5b9a\u6709\u5b9e\u73b0\u5427\uff0c\u6709\u7684\u7b26\u53f7\u662f\u5916\u90e8\u7b26\u53f7\uff0c\u5c31\u6ca1\u6709\u5b9e\u73b0                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4712364\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : GeruzoniAnsasu <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4e0d\u597d\u610f\u601d\u6211\u778e\u4e86 \u4f46\u770b\u8d77\u6765\u4e2d\u95f4\u90a3\u51e0\u884c\u628a.a \u6587\u4ef6\u8ddf.o \u4e00\u8d77\u4f5c\u4e3a\u8f93\u5165\u6587\u4ef6\u7684\u5730\u65b9\u4e0d\u592a\u6b63\u5e38\u3002\u3002\u3002 \u611f\u89c9\u62fc\u7f16\u8bd1-\u94fe\u63a5\u53c2\u6570\u7684\u65f6\u5019\u5199\u5f97\u4e0d\u5bf9\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4712365\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : mingl0280 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u6839\u636e\u4f60\u8fd9\u4e2a\u7f16\u8bd1\u7ed3\u679c\u2026\u2026\u4f60\u627e\u4e0b\u4f60\u4ee3\u7801\u91cc\u9762\u6709\u6ca1\u6709\u7528 using namespace std \u548c std::string?                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4712366\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : nthhdy <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @pursuer \u8fd9\u4e2a\u7b26\u53f7\u7c7b\u578b\u662f T\uff0c\u4e5f\u5c31\u662f\u5168\u5c40\u5f81\u6587\u6bb5\uff0c\u653e\u5728\u4ee3\u7801\u533a\u7684\uff0c\u5e94\u8be5\u6709\u5b9e\u73b0\u7684\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4712367\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : nthhdy <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @GeruzoniAnsasu \u4e0d\u597d\u610f\u601d\uff0c\u547d\u4ee4\u592a\u957f\uff0c\u6211\u4e5f\u89c9\u5f97\u8d34\u51fa\u6765\u592a\u4e71\uff0c\u6709\u4ec0\u4e48\u597d\u529e\u6cd5\u5417\uff1f log \u4e5f\u6ca1\u6cd5\u9ad8\u4eae\u6216\u8005\u6392\u7248\u3002<\/p>\n<p>\u5176\u5b9e\u8fd9\u4e2a\u7f16\u8bd1\u547d\u4ee4\u662f\u5de5\u5177\u81ea\u52a8\u751f\u6210\u7684\uff0c\u4e0d\u662f\u6211\u6572\u7684\uff0c\u4e0d\u77e5\u9053\u5b83\u6839\u636e\u4ec0\u4e48\u751f\u6210\u8fd9\u6837\u7684\u3002\u662f gradle \u4f7f\u7528\u4e86 ndk build\uff0c\u540e\u8005\u53c8\u751f\u6210\u4e86\u8fd9\u4e2a\u547d\u4ee4\u3002                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4712368\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : nthhdy <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @mingl0280 \u7f3a\u5931\u7684\u662f `cv::String` \u7684\u76f8\u5173\u65b9\u6cd5\uff0c\u4e0d\u662f `std::string` \u5427                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4712369\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : nthhdy <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @GeruzoniAnsasu \u8bfb\u4e86\u8bfb ndk build \u7684\u6e90\u7801\uff0c\u5b8c\u5168\u662f make file \u8bed\u6cd5\uff0c\u4e00\u5806 if else\uff0c\u8d85\u7ea7\u591a\u53d8\u91cf\u5c55\u5f00\u3002makefile \u672c\u8eab\u53ef\u8bfb\u6027\u5c31\u6709\u4e9b\u4f4e\uff0c\u8fd9\u6837\u4e00\u641e\uff0c\u8bfb\u8d77\u6765\u5b66\u4e60\u66f2\u7ebf\u8fd8\u662f\u633a\u5927\u7684\u3002\u611f\u89c9\u662f\u8981\u628a\u81ea\u5df1\u73a9\u6b7b\u3002\u76f8\u6bd4\u4e4b\u4e0b gradle \u7528 groovy \u8bed\u6cd5\u5c31\u4f18\u96c5\u591a\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4712370\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : wutiantong <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @nthhdy \u6211\u6000\u7591\u4f60\u8fd9\u4e2a arm64-v8a\/libopencv_core.a \u662f iOS \u5e73\u53f0\u7684\u7f16\u8bd1\u4ea7\u7269                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4712371\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : wutiantong <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @wutiantong \u5373\u4fbf\u5b83\u786e\u5b9e\u662f Android \u7684\u9759\u6001\u5e93\uff0c\u5982\u679c\u662f\u4e8c\u8fdb\u5236\u62ff\u6765\u7528\u7684\u8bdd\uff0cndk \u7684\u7248\u672c\u5dee\u5f02\u53ef\u80fd\u4e5f\u4f1a\u5bfc\u81f4\u5404\u79cd\u95ee\u9898\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4712372\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : nthhdy <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @wutiantong \u8fd9\u4e2a\u601d\u8def\u6709\u9053\u7406\u3002<br \/>\u4f46\u662f opencv \u8fd9\u4e9b .a \u662f\u6211\u81ea\u5df1\u7f16\u8bd1\u7684\uff0c\u7f16\u8bd1\u65f6\u7279\u610f\u6307\u5b9a\u4e86 abi \u4e3a arm64-v8a \u7684\uff08\u6709\u53ef\u80fd\u662f\u6307\u5b9a\u6ca1\u751f\u6548\uff1f\uff09\uff0cndk \u7684\u7248\u672c\u6211\u786e\u8ba4\u662f\u4e00\u81f4\u7684\u3002<br \/>\u8bf7\u95ee\u68c0\u67e5\u5e73\u53f0\u662f\u5426\u4e00\u81f4\uff0c\u6709\u4ec0\u4e48\u65b9\u6cd5\u3001\u5de5\u5177\u5417\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4712373\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : wutiantong <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @nthhdy Mac \u7684\u8bdd\u53ef\u4ee5\u7528 file \u547d\u4ee4\u67e5\u770b\u4e00\u4e0b libopencv_core.a                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4712374\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : waruqi <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             &gt; \u62ff\u9519\u8bef\u91cc\u63d0\u5230\u7684 cv::String::deallocate() \u6765\u8bf4\uff0c\u6211\u5728\u6211\u6307\u5b9a\u7684 libopencv_core \u8fd9\u4e2a\u9759\u6001\u5e93\u4e2d\u80fd\u591f\u627e\u5230\u8fd9\u4e2a\u5b9e\u73b0\uff0cnm \u663e\u793a\u5982\u4e0b\uff1a<\/p>\n<p>\u547d\u540d\u7a7a\u95f4\u4e0d\u5bf9\u54c8\uff0c\u4f60 jni \u91cc\u9762 \u62a5 cv::String::deallocate \u7b26\u53f7\u627e\u4e0d\u5230\uff0c \u4f60\u4ece\u5e93\u91cc\u9762\u53ea\u627e\u5230 cv::Mat::deallocate\uff0c\u547d\u540d\u7a7a\u95f4\u90fd\u4e0d\u540c\uff0c\u7b26\u53f7\u540d\u90fd\u4e0d\u4e00\u6837\uff0c\u80fd\u94fe\u63a5\u901a\u8fc7\u624d\u602a\u4e86\u3002\u3002                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4712375\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : waruqi <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5f53\u6211\u6ca1\u8bf4\uff0c\u773c\u778e\uff0c\u540e\u9762 \u770b\u5230 cv::String::deallocate \u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4712376\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : kaler <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             -shared \u662f\u8fde\u63a5\u7684\u547d\u4ee4\u5417\uff1f\u8fd8\u6709\u8fde\u63a5\u7684\u987a\u5e8f\u4e5f\u53ef\u80fd\u9020\u6210\u8fd9\u79cd\u95ee\u9898\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4712377\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : nthhdy <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @kaler -shared \u8868\u793a\u8f93\u51fa\u7684\u662f\u52a8\u6001\u94fe\u63a5\u5e93\uff0c\u4e0d\u662f\u53ef\u6267\u884c\u6587\u4ef6<\/p>\n<p>\u94fe\u63a5\u987a\u5e8f\u7684\u8bdd\uff0c\u6211\u8bd5\u4e86\u628a libopencv_core.a \u4f5c\u4e3a\u90a3\u4e9b .a \u7684\u6700\u540e\u4e00\u4e2a\uff0c\u4e5f\u662f\u540c\u6837\u7684\u9519\u8bef                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4712378\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : mingl0280 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @nthhdy \u56e0\u4e3a\u6709\u53ef\u80fd\u662f\u5f15\u7528\u9519\u8bef\u554a\u2026\u2026\u6bd4\u65b9\u8bf4\u4f60\u672c\u6765\u7528\u7684 std::string\uff0c\u4f46\u662f\u56e0\u4e3a using \u7684\u5173\u7cfb\u5339\u914d\u5230\u4e86 cv::string \u5c31\u70b8\u4e86\u2026\u2026                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4712379\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : nthhdy <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @mingl0280 \u660e\u767d\u4f60\u610f\u601d\uff0cusing \u7684\u786e\u5f88\u5bb9\u6613\u51fa\u95ee\u9898\u3002\u4f7f\u7528\u4e00\u4e2a\u53d8\u91cf\u65f6\uff0c\u5b83\u7684\u5b9e\u9645\u7684\u547d\u540d\u7a7a\u95f4\u6709\u53ef\u80fd\u8ddf\u60f3\u7684\u4e0d\u4e00\u6837\u3002<\/p>\n<p>\u4f46\u662f\u4ee3\u7801\u91cc\u7684\u786e\u7528\u7684\u662f cv::String\uff0c\u4e0d\u662f std::string \u3002<br \/>\u518d\u8bf4 std::string \u4e5f\u6ca1\u6709 deallocate \u65b9\u6cd5\uff0c\u800c\u4e14\u4e00\u4e2a\u662f string \uff08 s \u5c0f\u5199\uff09\u4e00\u4e2a\u662f String \uff08 S \u5927\u5199\uff09\uff0c\u4e0d\u4f1a\u5339\u914d\u9519\u7684\u3002<br \/>\u53e6\u5916\uff0c\u9664\u4e86 String \u7c7b\uff0c\u8fd8\u6709\u8bb8\u591a\u522b\u7684\u7c7b\u4e5f undefined reference\uff0c\u4e0d\u4f1a\u90fd\u662f\u56e0\u4e3a\u8fd9\u4e2a\u539f\u56e0\u7684\u3002<\/p>\n<p>\u6211\u611f\u89c9 using \u51fa\u7684\u7f16\u8bd1\u9519\u8bef\u4f1a\u66f4\u591a\uff0c\u4e00\u822c\u4e0d\u4f1a\u5230\u94fe\u63a5\u8fd9\u6b65\u3002\u56e0\u4e3a\u5c31\u7b97\u4e24\u4e2a\u540c\u540d\u7684\u7c7b\u51fa\u73b0\u5728\u4e24\u4e2a\u4e0d\u540c\u7684 namespace \u91cc\uff0c\u5b83\u4eec\u7684\u7528\u6cd5\u4e5f\u57fa\u672c\u4e0a\u4e0d\u4f1a\u5b8c\u5168\u4e00\u81f4\u7684\uff0c\u90a3\u5355\u4e2a\u6587\u4ef6\u7f16\u8bd1\u90fd\u8fc7\u4e0d\u4e86\u3002                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4712380\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : mingl0280 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @nthhdy \u6211\u77e5\u9053\u4f60\u5565\u610f\u601d\uff0c\u4e0d\u8fc7\u6211\u771f\u9047\u5230\u8fc7\u7c7b\u4f3c\u7684\u5751\u7239\u95ee\u9898\uff0c\u5c31\u662f\u63d0\u4e00\u4e0b\u3002\u5176\u5b9e\u4f60\u8fd8\u6709\u4e2a\u6d4b\u8bd5\u65b9\u6cd5\uff1a\u4f60\u627e\u5230\u8f93\u51fa\u7684.o \u6587\u4ef6\uff0c\u7136\u540e\u624b\u52a8\u8fd0\u884c\u4e00\u4e0b\u94fe\u63a5\u547d\u4ee4\uff0c\u770b\u770b\u662f\u4e0d\u662f\u5373\u4f7f\u624b\u52a8\u94fe\u63a5\u4e5f\u4e0d\u8ba4\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\u7684\u8bdd 90%\u4ee5\u4e0a\u53ef\u80fd\u6027\u662f\u4f60\u7684\u5e93\u7684 abi \u4e0d\u517c\u5bb9\uff0c\u7528 objdump \u4e4b\u7c7b\u7684\u68c0\u67e5\u4e00\u4e0b\u2026\u2026                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4712381\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : nthhdy <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @mingl0280 \u6211\u5c31\u662f\u628a\u8fd9\u6761\u547d\u4ee4 copy \u51fa\u6765\u624b\u52a8\u8fd0\u884c\u7684\u554a\u3002\u8fd8\u4e0d\u505c\u5730\u628a\u5b83\u8bd5\u7740\u8be5\u6765\u6539\u53bb\uff0c\u52a0\u70b9\u53c2\u6570\u3001\u51cf\u70b9\u53c2\u6570\u4ec0\u4e48\u7684\u3002\u5230\u73b0\u5728\u8fd8\u6ca1\u6210\u529f\u3002\u5982\u679c\u662f abi \u4e0d\u517c\u5bb9\uff0c\u9519\u8bef\u4fe1\u606f\u4e5f\u4e0d\u63d0\u793a\u4e00\u4e0b\u5417\u3002\u3002\u3002\u800c\u4e14\u5e94\u8be5\u4e0d\u662f abi\uff0c\u660e\u660e\u5404\u5904\u90fd\u6307\u5b9a\u4e86 arm64-v8a \u7684\u3002\u611f\u89c9\u8fd9\u4e2a\u95ee\u9898\u8fd8\u6709\u5176\u5b83\u6211\u672a\u77e5\u201c\u7ef4\u5ea6\u201d\uff0c\u518d\u641c\u5427\u3002<\/p>\n<p>\u8de8\u5e73\u53f0\u7f16\u8bd1\u94fe\u63a5\u8981\u8003\u8651\u7684\u95ee\u9898\u592a\u591a\u4e86\uff0ccpu \u67b6\u6784\u3001\u6307\u4ee4\u96c6\u3001\u64cd\u4f5c\u7cfb\u7edf\u7ea6\u5b9a\u3001\u5404\u5c42\u5e93\u7248\u672c\u3001\u5de5\u5177\u94fe\u3001\u5404\u79cd\u8def\u5f84\u914d\u7f6e\u3001\u5404\u79cd\u7f16\u8bd1\u94fe\u63a5\u7ec6\u8282\uff0c\u8fd8\u6709\u6211\u597d\u591a\u53eb\u5f97\u51fa\u540d\u5b57\u4f46\u662f\u4e0d\u660e\u6240\u4ee5\u7684\u672f\u8bed\u3002\u8d8a\u8d34\u8fd1\u5e95\u5c42\uff0c\u8981\u4e86\u89e3\u7684\u4e1c\u897f\u5c31\u8d8a\u591a\u3002\u4efb\u4f55\u4e00\u4e2a\u7ef4\u5ea6\u90fd\u6709\u53ef\u80fd\u9020\u6210\u8fd9\u4e2a\u95ee\u9898\uff0c\u8fd8\u4e0d\u6e05\u695a\u662f\u54ea\u4e00\u73af\u51fa\u5f97\u95ee\u9898\u3002\u611f\u89c9\u8fd9\u4ef6\u4e8b\u513f\u6025\u4e0d\u5f97\uff0c\u4e5f\u6ca1\u6cd5\u201c\u7a81\u51fb\u201d\uff0c\u4ece\u57fa\u672c\u7684\u77e5\u8bc6\u4e86\u89e3\u5427\u3002                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4712382\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : mingl0280 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @nthhdy \u4f60\u5bf9 libopencv_core.a \u505a\u4e00\u4e2a objdump\uff0c\u7136\u540e dump \u51fa\u6765\u7684.o \u6587\u4ef6\u8dd1\u4e00\u4e0b nm\uff0c\u4ed4\u7ec6\u770b\u4e00\u4e0b\u662f\u4e0d\u662f CPU \u67b6\u6784\u4e0d\u592a\u4e00\u6837\u3002\u6709\u65f6\u5019\u771f\u5c31\u8fd9\u4e2a\u95ee\u9898\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>\u8bf7\u6559\u4e00\u4e2a\u52a8\u6001\u94fe\u63a5\u5e93\u6784\u5efa\u7684\u95ee\u9898 (c&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/229789"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=229789"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/229789\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=229789"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=229789"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=229789"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}