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lnk2019 with opencv treshold

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  • SGaistS Offline
    SGaistS Offline
    SGaist
    Lifetime Qt Champion
    wrote on last edited by SGaist
    #6

    @superdu said in lnk2019 with opencv treshold:

    LIBS += "C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_calib3d.lib"

    Usually it's rather written as:

    LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/" -lopencv_calib3d
    

    Can you test that ?

    Interested in AI ? www.idiap.ch
    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

    1 Reply Last reply
    0
    • S Offline
      S Offline
      superdu
      wrote on last edited by
      #7

      i originaly wrote it like that. That didn't work too.

      1 Reply Last reply
      0
      • SGaistS Offline
        SGaistS Offline
        SGaist
        Lifetime Qt Champion
        wrote on last edited by
        #8

        Is it the only symbol that fails the build ?

        Interested in AI ? www.idiap.ch
        Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

        1 Reply Last reply
        0
        • S Offline
          S Offline
          superdu
          wrote on last edited by
          #9

          if i use imshow, i have this problem too. but i can use Mat. By the way i use msvc2019 (32 and 64). at the beginning i thought it was the problem. So i tried to compile it with msvc2015 but still the same problem... and i can use this functions on visual studio... the only difference is the IDE so i think i miss something but what...

          1 Reply Last reply
          0
          • SGaistS Offline
            SGaistS Offline
            SGaist
            Lifetime Qt Champion
            wrote on last edited by
            #10

            Just to make sure we are on the same base, can you describe your setup exactly ?
            Which IDE are you using ?
            Which exact compiler are you using ?
            Which compiler was used for OpenCV and for Qt ?

            Interested in AI ? www.idiap.ch
            Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

            1 Reply Last reply
            0
            • S Offline
              S Offline
              superdu
              wrote on last edited by
              #11

              for my project i use QtCreator but sometime, juste for test i use visual studio.
              for openCV i used the package manager vcpkg but as that work on my vs i think its compile with msvc2019.
              qt i just used the installer. i let here systems info from QtCreator:

              {noformat}
              Qt 5.15.2 (x86_64-little_endian-llp64 shared (dynamic) release build; by MSVC 2019) on "windows"
              OS: Windows 10 Version 2009 [winnt version 10.0.19042]

              Architecture: x86_64; features: SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2

              Environment:
              Qt5_DIR="D:\Qt\5.15.2\msvc2019_64"
              QtMsBuild="C:\Users\antoi\AppData\Local\QtMsBuild"

              Features: QT_NO_EXCEPTIONS

              Library info:
              PrefixPath: D:\Qt\Tools\QtCreator\bin
              DocumentationPath: D:\Qt\Tools\QtCreator\bin\doc
              HeadersPath: D:\Qt\Tools\QtCreator\bin\include
              LibrariesPath: D:\Qt\Tools\QtCreator\bin
              LibraryExecutablesPath: D:\Qt\Tools\QtCreator\bin\bin
              BinariesPath: D:\Qt\Tools\QtCreator\bin
              PluginsPath: D:\Qt\Tools\QtCreator\bin\plugins
              ImportsPath: D:\Qt\Tools\QtCreator\bin\imports
              Qml2ImportsPath: D:\Qt\Tools\QtCreator\bin\qml
              ArchDataPath: D:\Qt\Tools\QtCreator\bin
              DataPath: D:\Qt\Tools\QtCreator\bin
              TranslationsPath: D:\Qt\Tools\QtCreator\bin\translations
              ExamplesPath: D:\Qt\Tools\QtCreator\bin\examples
              TestsPath: D:\Qt\Tools\QtCreator\bin\tests
              SettingsPath:

              Standard paths [... denote writable entry]:
              DesktopLocation: "Desktop" C:\Users\antoi\OneDrive\Bureau
              DocumentsLocation: "Documents" C:\Users\antoi\OneDrive\Documents
              FontsLocation: "Fonts" C:\WINDOWS\Fonts
              ApplicationsLocation: "Applications" C:\Users\antoi\AppData\Roaming\Microsoft\Windows\Start Menu\Programs
              MusicLocation: "Music" C:\Users\antoi\Music
              MoviesLocation: "Movies" C:\Users\antoi\Videos
              PicturesLocation: "Pictures" C:\Users\antoi\OneDrive\Images
              TempLocation: "Temporary Directory" C:\Users\antoi\AppData\Local\Temp
              HomeLocation: "Home" C:\Users\antoi
              AppLocalDataLocation: "Application Data" C:\Users\antoi\AppData\Local\QtProject\qtdiag C:\ProgramData\QtProject\qtdiag D:\Qt\Tools\QtCreator\bin D:\Qt\Tools\QtCreator\bin\data D:\Qt\Tools\QtCreator\bin\data\QtProject\qtdiag
              CacheLocation: "Cache" C:\Users\antoi\AppData\Local\QtProject\qtdiag\cache
              GenericDataLocation: "Shared Data" C:\Users\antoi\AppData\Local C:\ProgramData D:\Qt\Tools\QtCreator\bin D:\Qt\Tools\QtCreator\bin\data
              RuntimeLocation: "Runtime" C:\Users\antoi
              ConfigLocation: "Configuration" C:\Users\antoi\AppData\Local\QtProject\qtdiag C:\ProgramData\QtProject\qtdiag D:\Qt\Tools\QtCreator\bin D:\Qt\Tools\QtCreator\bin\data D:\Qt\Tools\QtCreator\bin\data\QtProject\qtdiag
              DownloadLocation: "Download" C:\Users\antoi\Downloads
              GenericCacheLocation: "Shared Cache" C:\Users\antoi\AppData\Local\cache
              GenericConfigLocation: "Shared Configuration" C:\Users\antoi\AppData\Local C:\ProgramData D:\Qt\Tools\QtCreator\bin D:\Qt\Tools\QtCreator\bin\data
              AppDataLocation: "Application Data" C:\Users\antoi\AppData\Roaming\QtProject\qtdiag C:\ProgramData\QtProject\qtdiag D:\Qt\Tools\QtCreator\bin D:\Qt\Tools\QtCreator\bin\data D:\Qt\Tools\QtCreator\bin\data\QtProject\qtdiag
              AppConfigLocation: "Application Configuration" C:\Users\antoi\AppData\Local\QtProject\qtdiag C:\ProgramData\QtProject\qtdiag D:\Qt\Tools\QtCreator\bin D:\Qt\Tools\QtCreator\bin\data D:\Qt\Tools\QtCreator\bin\data\QtProject\qtdiag

              File selectors (increasing order of precedence):
              fr_FR windows winnt

              Network:
              Using "OpenSSL 1.1.1d 10 Sep 2019", version: 0x1010104f

              Platform capabilities: ThreadedPixmaps OpenGL ThreadedOpenGL WindowMasks MultipleWindows ForeignWindows NonFullScreenWindows NativeWidgets WindowManagement RasterGLSurface AllGLFunctionsQueryable

              Style hints:
              mouseDoubleClickInterval: 500
              mousePressAndHoldInterval: 800
              startDragDistance: 10
              startDragTime: 500
              startDragVelocity: 0
              keyboardInputInterval: 400
              keyboardAutoRepeatRate: 32
              cursorFlashTime: 1060
              showIsFullScreen: 0
              showIsMaximized: 0
              passwordMaskDelay: 0
              passwordMaskCharacter: U+25CF
              fontSmoothingGamma: 1
              useRtlExtensions: 0
              setFocusOnTouchRelease: 0
              tabFocusBehavior: Qt::TabFocusAllControls
              singleClickActivation: 0

              Additional style hints (QPlatformIntegration):
              ReplayMousePressOutsidePopup: 1

              Theme:
              Platforms requested : windows
              available : snap,flatpak,xdgdesktopportal
              Styles requested : WindowsVista,Windows
              available : windowsvista,Windows,Fusion
              System font : "MS Shell Dlg 2" 8
              Native file dialog

              Fonts:
              General font : "MS Shell Dlg 2" 8
              Fixed font : "Courier New" 9
              Title font : "MS Shell Dlg 2" 8
              Smallest font: "MS Shell Dlg 2" 8

              Palette:
              QPalette::WindowText: #ff000000
              QPalette::Button: #fff0f0f0
              QPalette::Light: #ffffffff
              QPalette::Midlight: #ffe3e3e3
              QPalette::Dark: #ffa0a0a0
              QPalette::Mid: #ffa0a0a0
              QPalette::Text: #ff000000
              QPalette::BrightText: #ffffffff
              QPalette::ButtonText: #ff000000
              QPalette::Base: #ffffffff
              QPalette::Window: #fff0f0f0
              QPalette::Shadow: #ff696969
              QPalette::Highlight: #ff0078d7
              QPalette::HighlightedText: #ffffffff
              QPalette::Link: #ff0000ff
              QPalette::LinkVisited: #ffff00ff
              QPalette::AlternateBase: #ffe9e7e3
              QPalette::NoRole: #ff000000
              QPalette::ToolTipBase: #ffffffdc
              QPalette::ToolTipText: #ff000000
              QPalette::PlaceholderText: #80000000

              Screens: 1, High DPI scaling: inactive

              0 "\.\DISPLAY1" Depth: 32 Primary: yes

              Manufacturer:
              Model:
              Serial number:
              Geometry: 1920x1080+0+0 Available: 1920x1040+0+0
              Physical size: 382x215 mm Refresh: 144 Hz Power state: 0
              Physical DPI: 127.665,127.591 Logical DPI: 96,96 Subpixel_None
              DevicePixelRatio: 1 Pixel density: 1
              Primary orientation: 2 Orientation: 2 Native orientation: 0 OrientationUpdateMask: 0

              Dynamic GL LibGL Vendor: NVIDIA Corporation
              Renderer: NVIDIA GeForce RTX 2060/PCIe/SSE2
              Version: 4.6.0 NVIDIA 466.63
              Shading language: 4.60 NVIDIA
              Format: Version: 4.6 Profile: 2 Swap behavior: 2 Buffer size (RGBA): 8,8,8,8 Depth buffer: 24 Stencil buffer: 8
              Profile: None (QOpenGLFunctions_4_6)

              Vulkan instance available
              Supported instance extensions:
              VK_KHR_device_group_creation, version 1
              VK_KHR_display, version 23
              VK_KHR_external_fence_capabilities, version 1
              VK_KHR_external_memory_capabilities, version 1
              VK_KHR_external_semaphore_capabilities, version 1
              VK_KHR_get_display_properties2, version 1
              VK_KHR_get_physical_device_properties2, version 2
              VK_KHR_get_surface_capabilities2, version 1
              VK_KHR_surface, version 25
              VK_KHR_surface_protected_capabilities, version 1
              VK_KHR_win32_surface, version 6
              VK_EXT_debug_report, version 9
              VK_EXT_debug_utils, version 2
              VK_EXT_swapchain_colorspace, version 4
              VK_NV_external_memory_capabilities, version 1
              Supported layers:
              VK_LAYER_NV_optimus, version 1, spec version 1.2.168, NVIDIA Optimus layer
              VK_LAYER_VALVE_steam_overlay, version 1, spec version 1.2.136, Steam Overlay Layer
              VK_LAYER_VALVE_steam_fossilize, version 1, spec version 1.2.136, Steam Pipeline Caching Layer
              VK_LAYER_EOS_Overlay, version 1, spec version 1.2.136, Vulkan overlay layer for Epic Online Services
              VK_LAYER_EOS_Overlay, version 1, spec version 1.2.136, Vulkan overlay layer for Epic Online Services
              Available physical devices:
              API version 1.2.168, vendor 0x10DE, device 0x1F11, NVIDIA GeForce RTX 2060, type 2, driver version 466.252.0

              GPU #1:
              Card name : NVIDIA GeForce RTX 2060
              Driver Name : nvldumdx.dll
              Driver Version : 27.21.14.6663
              Vendor ID : 0x10DE
              Device ID : 0x1F11
              SubSys ID : 0x3FFD17AA
              Revision ID : 0x00A1

              Qt Rendering Hardware Interface supported backends:
              OpenGL (with default QSurfaceFormat):
              Min Texture Size: 1
              Max Texture Size: 32768
              Max Color Attachments: 8
              Frames in Flight: 1
              Uniform Buffer Alignment: 1
              Supported MSAA sample counts: 1,2,4,8,16,32
              Features:
              - MultisampleTexture
              v MultisampleRenderBuffer
              - DebugMarkers
              - Timestamps
              v Instancing
              - CustomInstanceStepRate
              v PrimitiveRestart
              v NonDynamicUniformBuffers
              v NonFourAlignedEffectiveIndexBufferOffset
              v NPOTTextureRepeat
              - RedOrAlpha8IsRed
              v ElementIndexUint
              v Compute
              v WideLines
              v VertexShaderPointSize
              v BaseVertex
              - BaseInstance
              v TriangleFanTopology
              v ReadBackNonUniformBuffer
              v ReadBackNonBaseMipLevel
              Texture formats: RGBA8 BGRA8 R8 R16 RED_OR_ALPHA8 RGBA16F RGBA32F R16F R32F D16 D32F BC1 BC2 BC3 ETC2_RGB8 ETC2_RGB8A1 ETC2_RGBA8 ASTC_4x4 ASTC_5x4 ASTC_5x5 ASTC_6x5 ASTC_6x6 ASTC_8x5 ASTC_8x6 ASTC_8x8 ASTC_10x5 ASTC_10x6 ASTC_10x8 ASTC_10x10 ASTC_12x10 ASTC_12x12
              Vulkan:
              Min Texture Size: 1
              Max Texture Size: 32768
              Max Color Attachments: 8
              Frames in Flight: 2
              Uniform Buffer Alignment: 64
              Supported MSAA sample counts: 1,2,4,8
              Features:
              v MultisampleTexture
              v MultisampleRenderBuffer
              - DebugMarkers
              v Timestamps
              v Instancing
              - CustomInstanceStepRate
              v PrimitiveRestart
              v NonDynamicUniformBuffers
              v NonFourAlignedEffectiveIndexBufferOffset
              v NPOTTextureRepeat
              v RedOrAlpha8IsRed
              v ElementIndexUint
              v Compute
              v WideLines
              v VertexShaderPointSize
              v BaseVertex
              v BaseInstance
              v TriangleFanTopology
              v ReadBackNonUniformBuffer
              v ReadBackNonBaseMipLevel
              Texture formats: RGBA8 BGRA8 R8 R16 RED_OR_ALPHA8 RGBA16F RGBA32F R16F R32F D16 D32F BC1 BC2 BC3 BC4 BC5 BC6H BC7
              Direct3D 11:
              Min Texture Size: 1
              Max Texture Size: 16384
              Max Color Attachments: 8
              Frames in Flight: 1
              Uniform Buffer Alignment: 256
              Supported MSAA sample counts: 1,2,4,8
              Features:
              v MultisampleTexture
              v MultisampleRenderBuffer
              v DebugMarkers
              v Timestamps
              v Instancing
              v CustomInstanceStepRate
              v PrimitiveRestart
              - NonDynamicUniformBuffers
              v NonFourAlignedEffectiveIndexBufferOffset
              v NPOTTextureRepeat
              v RedOrAlpha8IsRed
              v ElementIndexUint
              v Compute
              - WideLines
              - VertexShaderPointSize
              v BaseVertex
              v BaseInstance
              - TriangleFanTopology
              v ReadBackNonUniformBuffer
              v ReadBackNonBaseMipLevel
              Texture formats: RGBA8 BGRA8 R8 R16 RED_OR_ALPHA8 RGBA16F RGBA32F R16F R32F D16 D32F BC1 BC2 BC3 BC4 BC5 BC6H BC7

              Plugin information:

              • Android 4.15.0
              • AutoTest 4.15.0
                AutotoolsProjectManager 4.15.0
                BareMetal 4.15.0
              • Bazaar 4.15.0
                Beautifier 4.15.0
              • BinEditor 4.15.0
              • Bookmarks 4.15.0
                Boot2Qt 4.15.0
              • CMakeProjectManager 4.15.0
              • CVS 4.15.0
              • ClangCodeModel 4.15.0
                ClangFormat 4.15.0
              • ClangTools 4.15.0
              • ClassView 4.15.0
                ClearCase 4.15.0
              • CodePaster 4.15.0
                CompilationDatabaseProjectManager 4.15.0
                Conan 4.15.0
              • Core 4.15.0
              • CppEditor 4.15.0
              • CppTools 4.15.0
                Cppcheck 4.15.0
              • CtfVisualizer 4.15.0
              • Debugger 4.15.0
              • Designer 4.15.0
              • DiffEditor 4.15.0
                EmacsKeys 4.15.0
              • FakeVim 4.15.0
              • GLSLEditor 4.15.0
              • GenericProjectManager 4.15.0
              • Git 4.15.0
                HelloWorld 4.15.0
              • Help 4.15.0
              • ImageViewer 4.15.0
              • IncrediBuild 4.15.0
                Ios 4.15.0
              • LanguageClient 4.15.0
              • Macros 4.15.0
              • Marketplace 4.15.0
                McuSupport 4.15.0
              • Mercurial 4.15.0
                MesonProjectManager 4.15.0
              • ModelEditor 4.15.0
                Nim 4.15.0
              • PerfProfiler 4.15.0
                Perforce 4.15.0
              • ProjectExplorer 4.15.0
              • Python 4.15.0
              • QbsProjectManager 4.15.0
              • QmakeProjectManager 4.15.0
              • QmlDesigner 4.15.0
              • QmlJSEditor 4.15.0
              • QmlJSTools 4.15.0
              • QmlPreview 4.15.0
              • QmlProfiler 4.15.0
              • QmlProjectManager 4.15.0
              • Qnx 4.15.0
              • QtSupport 4.15.0
              • RemoteLinux 4.15.0
              • ResourceEditor 4.15.0
              • ScxmlEditor 4.15.0
                SerialTerminal 4.15.0
                SilverSearcher 4.15.0
                StudioWelcome 4.15.0
              • Subversion 4.15.0
              • TaskList 4.15.0
              • TextEditor 4.15.0
                Todo 4.15.0
              • UpdateInfo 4.15.0
              • Valgrind 4.15.0
              • VcsBase 4.15.0
              • WebAssembly 4.15.0
              • Welcome 4.15.0
              • WinRt 4.15.0

              Qt Creator 4.15.0
              Basé sur Qt 5.15.2 (MSVC 2019, 64 bit)
              From revision 978f6caf1e
              Built on May 4 2021 01:16:56

              {noformat}

              1 Reply Last reply
              0
              • SGaistS Offline
                SGaistS Offline
                SGaist
                Lifetime Qt Champion
                wrote on last edited by
                #12

                Ok... nothing stands out as wrong.

                Can you start from a default Qt project and just one OpenCV method there ?

                It might be easier to debug your issue.

                Interested in AI ? www.idiap.ch
                Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                1 Reply Last reply
                0
                • S Offline
                  S Offline
                  superdu
                  wrote on last edited by superdu
                  #13

                  ok so here the code (thank you for your time by the way):

                  cpp

                  #include "mainwindow.h"
                  #include "ui_mainwindow.h"
                  
                  MainWindow::MainWindow(QWidget *parent)
                      : QMainWindow(parent)
                      , ui(new Ui::MainWindow)
                  {
                      ui->setupUi(this);
                      Mat new_img = Mat::zeros(25, 25, CV_16U);
                      Mat dest;
                  
                      threshold(new_img,dest,200,255,THRESH_BINARY | THRESH_OTSU);
                  
                  }
                  
                  MainWindow::~MainWindow()
                  {
                      delete ui;
                  }
                  
                  
                  

                  header

                  #ifndef MAINWINDOW_H
                  #define MAINWINDOW_H
                  
                  #include <QMainWindow>
                  #include <opencv2/core.hpp>
                  #include <opencv2/highgui.hpp>
                  #include <opencv2/imgcodecs.hpp>
                  #include <opencv2/opencv.hpp>
                  #include "opencv2/imgproc.hpp"
                  
                  using namespace cv;
                  
                  QT_BEGIN_NAMESPACE
                  namespace Ui { class MainWindow; }
                  QT_END_NAMESPACE
                  
                  class MainWindow : public QMainWindow
                  {
                      Q_OBJECT
                  
                  public:
                      MainWindow(QWidget *parent = nullptr);
                      ~MainWindow();
                  
                  private:
                      Ui::MainWindow *ui;
                  };
                  #endif // MAINWINDOW_H
                  
                  

                  pro

                  QT       += core gui
                  
                  greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
                  
                  CONFIG += c++11
                  
                  # You can make your code fail to compile if it uses deprecated APIs.
                  # In order to do so, uncomment the following line.
                  #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
                  
                  SOURCES += \
                      main.cpp \
                      mainwindow.cpp
                  
                  HEADERS += \
                      mainwindow.h
                  
                  FORMS += \
                      mainwindow.ui
                  
                  INCLUDEPATH += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/include
                  
                  LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_calib3d.lib
                  LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_core.lib
                  LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_dnn.lib
                  LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_features2d.lib
                  LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_flann.lib
                  LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_highgui.lib
                  LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_imgcodecs.lib
                  LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_imgproc.lib
                  LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_ml.lib
                  LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_objdetect.lib
                  LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_photo.lib
                  LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_stitching.lib
                  LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_video.lib
                  LIBS += C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib/opencv_videoio.lib
                  
                  
                  TRANSLATIONS += \
                      test_fr_FR.ts
                  CONFIG += lrelease
                  CONFIG += embed_translations
                  
                  # Default rules for deployment.
                  qnx: target.path = /tmp/$${TARGET}/bin
                  else: unix:!android: target.path = /opt/$${TARGET}/bin
                  !isEmpty(target.path): INSTALLS += target
                  
                  

                  the code reproduce the problem for me:

                  mainwindow.obj:-1: erreur : LNK2019: symbole externe non r‚solu "double __cdecl cv::threshold(class cv::debug_build_guard::_InputArray const &,class cv::debug_build_guard::_OutputArray const &,double,double,int)" (?threshold@cv@@YANAEBV_InputArray@debug_build_guard@1@AEBV_OutputArray@31@NNH@Z) r‚f‚renc‚ dans la fonction "public: __cdecl MainWindow::MainWindow(class QWidget *)" (??0MainWindow@@QEAA@PEAVQWidget@@@Z)

                  1 Reply Last reply
                  0
                  • SGaistS Offline
                    SGaistS Offline
                    SGaist
                    Lifetime Qt Champion
                    wrote on last edited by
                    #14

                    Does the build output show that the libraries are currently linked ?

                    By the way, you should move all your includes to the .cpp file. There's nothing in the header that uses OpenCV.

                    Interested in AI ? www.idiap.ch
                    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                    1 Reply Last reply
                    1
                    • S Offline
                      S Offline
                      superdu
                      wrote on last edited by
                      #15

                      here the compile output:

                      21:18:53: Running steps for project test...
                      21:18:53: Configuration unchanged, skipping qmake step.
                      21:18:53: Starting: "D:\Qt\Tools\QtCreator\bin\jom.exe"
                      D:\Qt\Tools\QtCreator\bin\jom.exe -f Makefile.Debug
                      link /NOLOGO /DYNAMICBASE /NXCOMPAT /DEBUG /SUBSYSTEM:WINDOWS "/MANIFESTDEPENDENCY:type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' publicKeyToken='6595b64144ccf1df' language='' processorArchitecture=''" /MANIFEST:embed /OUT:debug\test.exe @C:\Users\antoi\AppData\Local\Temp\test.exe.16732.0.jom
                      mainwindow.obj : error LNK2019: unresolved external symbol "double __cdecl cv::threshold(class cv::debug_build_guard::_InputArray const &,class cv::debug_build_guard::_OutputArray const &,double,double,int)" (?threshold@cv@@YANAEBV_InputArray@debug_build_guard@1@AEBV_OutputArray@31@NNH@Z) referenced in function "public: __cdecl MainWindow::MainWindow(class QWidget *)" (??0MainWindow@@QEAA@PEAVQWidget@@@Z)
                      debug\test.exe : fatal error LNK1120: 1 unresolved externals
                      jom: C:\Users\antoi\OneDrive\Documents\QTtest\build-test-Desktop_Qt_5_15_2_MSVC2019_64bit-Debug\Makefile.Debug [debug\test.exe] Error 1120
                      jom: C:\Users\antoi\OneDrive\Documents\QTtest\build-test-Desktop_Qt_5_15_2_MSVC2019_64bit-Debug\Makefile [debug] Error 2
                      21:18:53: The process "D:\Qt\Tools\QtCreator\bin\jom.exe" exited with code 2.
                      Error while building/deploying project test (kit: Desktop Qt 5.15.2 MSVC2019 64bit)
                      When executing step "Make"
                      21:18:53: Elapsed time: 00:00.

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                      0
                      • SGaistS Offline
                        SGaistS Offline
                        SGaist
                        Lifetime Qt Champion
                        wrote on last edited by
                        #16

                        Ok... does the Makefile contain any references to OpenCV ?

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                        Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                          S Offline
                          superdu
                          wrote on last edited by
                          #17

                          no indeed... they are no reference to opencv:

                          #############################################################################

                          Makefile for building: test

                          Generated by qmake (3.1) (Qt 5.15.2)

                          Project: ..\test\test.pro

                          Template: app

                          Command: D:\Qt\5.15.2\msvc2019_64\bin\qmake.exe -o Makefile ..\test\test.pro -spec win32-msvc "CONFIG+=debug" "CONFIG+=qml_debug"

                          #############################################################################

                          MAKEFILE = Makefile

                          EQ = =

                          first: debug
                          install: debug-install
                          uninstall: debug-uninstall
                          QMAKE = D:\Qt\5.15.2\msvc2019_64\bin\qmake.exe
                          DEL_FILE = del
                          CHK_DIR_EXISTS= if not exist
                          MKDIR = mkdir
                          COPY = copy /y
                          COPY_FILE = copy /y
                          COPY_DIR = xcopy /s /q /y /i
                          INSTALL_FILE = copy /y
                          INSTALL_PROGRAM = copy /y
                          INSTALL_DIR = xcopy /s /q /y /i
                          QINSTALL = D:\Qt\5.15.2\msvc2019_64\bin\qmake.exe -install qinstall
                          QINSTALL_PROGRAM = D:\Qt\5.15.2\msvc2019_64\bin\qmake.exe -install qinstall -exe
                          DEL_FILE = del
                          SYMLINK = $(QMAKE) -install ln -f -s
                          DEL_DIR = rmdir
                          MOVE = move
                          IDC = idc
                          IDL = midl
                          ZIP = zip -r -9
                          DEF_FILE =
                          RES_FILE =
                          SED = $(QMAKE) -install sed
                          MOVE = move
                          SUBTARGETS =
                          debug
                          release

                          debug: $(MAKEFILE) FORCE
                          @set MAKEFLAGS=$(MAKEFLAGS)
                          $(MAKE) -f $(MAKEFILE).Debug
                          debug-make_first: FORCE
                          @set MAKEFLAGS=$(MAKEFLAGS)
                          $(MAKE) -f $(MAKEFILE).Debug
                          debug-all: FORCE
                          @set MAKEFLAGS=$(MAKEFLAGS)
                          $(MAKE) -f $(MAKEFILE).Debug all
                          debug-clean: FORCE
                          @set MAKEFLAGS=$(MAKEFLAGS)
                          $(MAKE) -f $(MAKEFILE).Debug clean
                          debug-distclean: FORCE
                          @set MAKEFLAGS=$(MAKEFLAGS)
                          $(MAKE) -f $(MAKEFILE).Debug distclean
                          debug-install: FORCE
                          @set MAKEFLAGS=$(MAKEFLAGS)
                          $(MAKE) -f $(MAKEFILE).Debug install
                          debug-uninstall: FORCE
                          @set MAKEFLAGS=$(MAKEFLAGS)
                          $(MAKE) -f $(MAKEFILE).Debug uninstall
                          release: $(MAKEFILE) FORCE
                          @set MAKEFLAGS=$(MAKEFLAGS)
                          $(MAKE) -f $(MAKEFILE).Release
                          release-make_first: FORCE
                          @set MAKEFLAGS=$(MAKEFLAGS)
                          $(MAKE) -f $(MAKEFILE).Release
                          release-all: FORCE
                          @set MAKEFLAGS=$(MAKEFLAGS)
                          $(MAKE) -f $(MAKEFILE).Release all
                          release-clean: FORCE
                          @set MAKEFLAGS=$(MAKEFLAGS)
                          $(MAKE) -f $(MAKEFILE).Release clean
                          release-distclean: FORCE
                          @set MAKEFLAGS=$(MAKEFLAGS)
                          $(MAKE) -f $(MAKEFILE).Release distclean
                          release-install: FORCE
                          @set MAKEFLAGS=$(MAKEFLAGS)
                          $(MAKE) -f $(MAKEFILE).Release install
                          release-uninstall: FORCE
                          @set MAKEFLAGS=$(MAKEFLAGS)
                          $(MAKE) -f $(MAKEFILE).Release uninstall

                          Makefile: ..\test\test.pro D:\Qt\5.15.2\msvc2019_64\mkspecs\win32-msvc\qmake.conf D:\Qt\5.15.2\msvc2019_64\mkspecs\features\spec_pre.prf
                          ...
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                          D:\Qt\5.15.2\msvc2019_64\mkspecs\features\win32\opengl.prf:
                          D:\Qt\5.15.2\msvc2019_64\mkspecs\features\uic.prf:
                          D:\Qt\5.15.2\msvc2019_64\mkspecs\features\qmake_use.prf:
                          D:\Qt\5.15.2\msvc2019_64\mkspecs\features\file_copies.prf:
                          D:\Qt\5.15.2\msvc2019_64\mkspecs\features\win32\windows.prf:
                          D:\Qt\5.15.2\msvc2019_64\mkspecs\features\testcase_targets.prf:
                          D:\Qt\5.15.2\msvc2019_64\mkspecs\features\exceptions.prf:
                          D:\Qt\5.15.2\msvc2019_64\mkspecs\features\yacc.prf:
                          D:\Qt\5.15.2\msvc2019_64\mkspecs\features\lex.prf:
                          ..\test\test.pro:
                          D:\Qt\5.15.2\msvc2019_64\lib\Qt5Widgets.prl:
                          D:\Qt\5.15.2\msvc2019_64\lib\Qt5Gui.prl:
                          D:\Qt\5.15.2\msvc2019_64\lib\Qt5Core.prl:
                          D:\Qt\5.15.2\msvc2019_64\lib\qtmain.prl:
                          .qmake.stash:
                          D:\Qt\5.15.2\msvc2019_64\mkspecs\features\build_pass.prf:
                          debug\qmake_qmake_qm_files.qrc:
                          D:\Qt\5.15.2\msvc2019_64\lib\Qt5Widgetsd.prl:
                          D:\Qt\5.15.2\msvc2019_64\lib\Qt5Guid.prl:
                          D:\Qt\5.15.2\msvc2019_64\lib\Qt5Cored.prl:
                          D:\Qt\5.15.2\msvc2019_64\lib\qtmaind.prl:
                          release\qmake_qmake_qm_files.qrc:
                          qmake: FORCE
                          @$(QMAKE) -o Makefile ..\test\test.pro -spec win32-msvc "CONFIG+=debug" "CONFIG+=qml_debug"

                          qmake_all: FORCE

                          make_first: debug-make_first release-make_first FORCE
                          all: debug-all release-all FORCE
                          clean: debug-clean release-clean FORCE
                          -$(DEL_FILE) test.vc.pdb
                          -$(DEL_FILE) test.ilk
                          -$(DEL_FILE) test.idb
                          distclean: debug-distclean release-distclean FORCE
                          -$(DEL_FILE) Makefile
                          -$(DEL_FILE) .qmake.stash test.pdb

                          debug-mocclean:
                          @set MAKEFLAGS=$(MAKEFLAGS)
                          $(MAKE) -f $(MAKEFILE).Debug mocclean
                          release-mocclean:
                          @set MAKEFLAGS=$(MAKEFLAGS)
                          $(MAKE) -f $(MAKEFILE).Release mocclean
                          mocclean: debug-mocclean release-mocclean

                          debug-mocables:
                          @set MAKEFLAGS=$(MAKEFLAGS)
                          $(MAKE) -f $(MAKEFILE).Debug mocables
                          release-mocables:
                          @set MAKEFLAGS=$(MAKEFLAGS)
                          $(MAKE) -f $(MAKEFILE).Release mocables
                          mocables: debug-mocables release-mocables

                          check: first

                          benchmark: first
                          FORCE:

                          $(MAKEFILE).Debug: Makefile
                          $(MAKEFILE).Release: Makefile

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                          • SGaistS Offline
                            SGaistS Offline
                            SGaist
                            Lifetime Qt Champion
                            wrote on last edited by
                            #18

                            You are missing the "-l" in your LIBS lines.

                            Interested in AI ? www.idiap.ch
                            Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                            • S Offline
                              S Offline
                              superdu
                              wrote on last edited by
                              #19

                              hum, but they are presents in makefile.debug

                              i also try again this notation but still the same problem

                              LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_calib3d
                              LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_core
                              LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_dnn
                              LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_features2d
                              LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_flann
                              LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_highgui
                              LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_imgcodecs
                              LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_imgproc
                              LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_ml
                              LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_objdetect
                              LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_photo
                              LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_stitching
                              LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_video
                              LIBS += -L"C:/src/vcpkg/vcpkg/packages/opencv4_x64-windows/lib" -lopencv_videoio
                              
                              
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                              • SGaistS Offline
                                SGaistS Offline
                                SGaist
                                Lifetime Qt Champion
                                wrote on last edited by
                                #20

                                So if you build in debug mode it works ?

                                Interested in AI ? www.idiap.ch
                                Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                                0
                                • S Offline
                                  S Offline
                                  superdu
                                  wrote on last edited by
                                  #21

                                  no... i dont know why but i feel if we find the problem that will be something really stupid. and if not i will just try to compile by hand opencv but that should work like that

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                                  • SGaistS Offline
                                    SGaistS Offline
                                    SGaist
                                    Lifetime Qt Champion
                                    wrote on last edited by
                                    #22

                                    Are these static or dynamic librairies ?

                                    In any case, what I would do is simplify things with the LIBS part to only link to opencv_core and only use symbols from that library in the sample application.

                                    This will restrict the scope of the issue.

                                    Interested in AI ? www.idiap.ch
                                    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                                    • S Offline
                                      S Offline
                                      superdu
                                      wrote on last edited by
                                      #23

                                      i just checked it with lib.exe and libs file containes dll. its dynamics library

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                                      • S Offline
                                        S Offline
                                        superdu
                                        wrote on last edited by
                                        #24

                                        ok so i compile by hand opencv following this step: https://wiki.qt.io/How_to_setup_Qt_and_openCV_on_Windows_with_MSVC2017#Building_OpenCV

                                        the two difference is i use msvc 2019 and opencv 4.5.1.

                                        compilation seems to be a succes but when i try to us it in qt the application crash without any information

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                                        • SGaistS Offline
                                          SGaistS Offline
                                          SGaist
                                          Lifetime Qt Champion
                                          wrote on last edited by
                                          #25

                                          If there's a crash then it likely is that the dlls are not found at run time. Go to the Run part of the Project panel and update the PATH environment variable there so that the folder containing the OpenCV dlls are found.

                                          Interested in AI ? www.idiap.ch
                                          Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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