Capture symbolized ARM64 crash diagnostics (#2099)

* Capture symbolized ARM64 crash diagnostics

* Use enough points in sparse-to-dense test

* Align ARM64 OpenCV cache keys

* Version the ARM64 OpenCV cache

Author: shimat

.github/workflows/windows.yml

@@ -15,6 +15,7 @@ on:
 
 env:
   OPENCV_VERSION: "5.0.0"
+  OPENCV_ARM64_CACHE_REVISION: "2"
   MEDIAMTX_VERSION: "1.19.3"
   MEDIAMTX_SHA256: "5d82148d1032a6a190d9909a2997d9989457aaadf49af87dd02cd4512d31bebe"
 
@@ -371,7 +372,7 @@ jobs:
         uses: actions/cache/restore@v6
         with:
           path: ${{ github.workspace }}/opencv_artifacts
-          key: opencv-${{ env.OPENCV_VERSION }}-windows-arm64-${{ hashFiles('cmake/opencv_build_options.cmake') }}-${{ hashFiles('vcpkg.json', 'cmake/triplets/*.cmake') }}
+          key: opencv-${{ env.OPENCV_VERSION }}-windows-arm64-v${{ env.OPENCV_ARM64_CACHE_REVISION }}-${{ hashFiles('cmake/opencv_build_options.cmake') }}-${{ hashFiles('vcpkg.json', 'cmake/triplets/*.cmake') }}
 
       - name: Configure OpenCV
         if: steps.opencv-cache.outputs.cache-hit != 'true'
@@ -410,6 +411,8 @@ jobs:
             -D OPENCV_EXTRA_MODULES_PATH="$env:GITHUB_WORKSPACE/opencv_contrib/modules" `
             -D CMAKE_INSTALL_PREFIX="$env:GITHUB_WORKSPACE/opencv_artifacts" `
             -D WITH_FFMPEG=OFF `
+            -D CMAKE_C_FLAGS="/Z7" `
+            -D CMAKE_CXX_FLAGS="/Z7" `
             -D CMAKE_ASM_COMPILER="" `
             *>&1 | Tee-Object -FilePath "$env:TEMP\opencv-configure.log"
           if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
@@ -438,14 +441,16 @@ jobs:
         shell: powershell
         run: |
           cmake --build opencv/build --config Release -j 4
+          if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
           cmake --install opencv/build --config Release
+          if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
 
       - name: Save OpenCV cache
         if: steps.opencv-cache.outputs.cache-hit != 'true' && github.event_name == 'push' && github.ref == 'refs/heads/main'
         uses: actions/cache/save@v6
         with:
           path: ${{ github.workspace }}/opencv_artifacts
-          key: opencv-${{ env.OPENCV_VERSION }}-windows-arm64-${{ hashFiles('cmake/opencv_build_options.cmake') }}-${{ hashFiles('vcpkg.json', 'cmake/triplets/*.cmake') }}
+          key: opencv-${{ env.OPENCV_VERSION }}-windows-arm64-v${{ env.OPENCV_ARM64_CACHE_REVISION }}-${{ hashFiles('cmake/opencv_build_options.cmake') }}-${{ hashFiles('vcpkg.json', 'cmake/triplets/*.cmake') }}
 
       - name: Build OpenCvSharpExtern (full)
         shell: powershell
@@ -460,8 +465,10 @@ jobs:
             -D VCPKG_TARGET_TRIPLET=arm64-windows-static `
             -D VCPKG_MANIFEST_INSTALL=OFF `
             -D "VCPKG_INSTALLED_DIR=$env:GITHUB_WORKSPACE/vcpkg_installed" `
-            -D "VCPKG_OVERLAY_TRIPLETS=$env:GITHUB_WORKSPACE/cmake/triplets"
+            -D "VCPKG_OVERLAY_TRIPLETS=$env:GITHUB_WORKSPACE/cmake/triplets" `
+            -D OPENCVSHARP_BUILD_WITH_DEBUG_INFO=ON
           cmake --build src/build_arm64 --config Release -j 4
+          if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
 
       - name: Build OpenCvSharpExtern (slim)
         shell: powershell
@@ -494,8 +501,11 @@ jobs:
         if: failure()
         uses: actions/upload-artifact@v7
         with:
-          name: windows-arm64-crash-dumps
-          path: test/OpenCvSharp.Tests/TestResults/
+          name: windows-arm64-crash-diagnostics
+          path: |
+            src/build_arm64/OpenCvSharpExtern/Release/OpenCvSharpExtern.dll
+            src/build_arm64/OpenCvSharpExtern/Release/OpenCvSharpExtern.pdb
+            test/OpenCvSharp.Tests/TestResults/
           if-no-files-found: ignore
 
       - name: Pack NuGet packages

src/CMakeLists.txt

@@ -29,12 +29,18 @@ option(NO_BARCODE "Disable barcode bindings" OFF)
 option(NO_HIGHGUI "Disable highgui bindings" OFF)
 option(NO_VIDEOIO "Disable videoio bindings" OFF)
 option(NO_INSTALL_TO_TEST "Skip copying built DLL to the test project directory (Windows only)" OFF)
+option(OPENCVSHARP_BUILD_WITH_DEBUG_INFO "Generate compiler and linker symbols for MSVC diagnostics" OFF)
 
 # Enable MSVC security hardening flags (issue #1841)
 if(MSVC)
   add_compile_options(/guard:cf /GS)
   # /HIGHENTROPYVA: enable high-entropy 64-bit ASLR
   add_link_options(/guard:cf /DYNAMICBASE /HIGHENTROPYVA)
+  if(OPENCVSHARP_BUILD_WITH_DEBUG_INFO)
+    # Embed debug information so cached static libraries remain self-contained.
+    add_compile_options(/Z7)
+    add_link_options(/DEBUG:FULL)
+  endif()
 endif()
 
 # Convert options to compile definitions so C++ preprocessor can see them

test/OpenCvSharp.Tests/optflow/Cv2OptFlowFactoriesTest.cs

@@ -67,8 +67,9 @@ public void CreateOptFlow_Farneback_CalcSmoke()
     public void CreateOptFlow_SparseToDense_CalcSmoke()
     {
         using var src = LoadImage("lenna.png");
-        using var from = src[new Rect(0, 0, 64, 64)];
-        using var to = src[new Rect(2, 0, 64, 64)];
+        // SparseToDense uses K=128 by default, so provide enough grid points for interpolation.
+        using var from = src[new Rect(0, 0, 256, 256)];
+        using var to = src[new Rect(2, 0, 256, 256)];
         using var flow = Cv2.OptFlow.CreateOptFlow_SparseToDense();
         using var flowMat = new Mat();
 

test/OpenCvSharp.Tests/ximgproc/XimgProcTest.cs

@@ -535,6 +535,8 @@ public void EdgeAwareInterpolator()
         using var toPtsMat = Mat.FromArray(toPts);
         using var denseFlow = new Mat();
 
+        // OpenCV expects K not to exceed the number of available sparse matches.
+        interpolator.K = fromPts.Length;
         interpolator.Interpolate(fromImage, fromPtsMat, toImage, toPtsMat, denseFlow);
         Assert.False(denseFlow.Empty());
     }