Intégrer OpenCV : fonction cvCreateCameraCapture non trouvée à l'édition des liens

Bonjour à tous,

Pourriez-vous m'aider, j'utilise qtcreator sous windows, voilà j'ai ma classe qui est

Code:

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#include "mainwindow.h"
#include <QApplication>
#include <stdio.h>
#include <iostream>
#include "opencv2/core/core.hpp"
#include "opencv2/highgui/highgui.hpp"
#include "opencv/cv.h"
#include "opencv/highgui.h"
#include "opencv/cxcore.h"
#include "opencv2/videoio/videoio_c.h"
 
using namespace std;
 
 
int main(int argc, char *argv[])
{
        QApplication app(argc, argv);
        cout << "Hello World!" << endl;
 
          cv::Mat mat;
          CvCapture *capture;
          capture = cvCreateCameraCapture( CV_CAP_ANY );
 
          cvWaitKey(0);
        MainWindow camera;
        camera.show();
 
        return app.exec();
 }

mais cela me retourne

Code:

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+ -Wl,-subsystem,windows -mthreads -o debug\Double_video.exe debug/main.o debug/mainwindow.o debug/moc_mainwindow.o  -lmingw32 -LC:/Qt/5.5/mingw492_32/lib -lqtmaind -lshell32 -LC:\opencv-build\bin -lopencv_core310 -lopencv_highgui310 -lopencv_imgproc310 -lopencv_features2d310 -lopencv_calib3d310 -lQt5MultimediaWidgetsd -lQt5Multimediad -lQt5Widgetsd -lQt5Guid -lQt5Networkd -lQt5Cored 
debug/main.o: In function `Z5qMainiPPc':
C:\Users\user\Documents\build-Double_video-Desktop_Qt_5_5_1_MinGW_32bit-Debug/../Double_video/main.cpp:22: undefined reference to `cvCreateCameraCapture'
collect2.exe: error: ld returned 1 exit status
Makefile.Debug:81: recipe for target 'debug\Double_video.exe' failed
mingw32-make[1]: *** [debug\Double_video.exe] Error 1
mingw32-make[1]: Leaving directory 'C:/Users/user/Documents/build-Double_video-Desktop_Qt_5_5_1_MinGW_32bit-Debug'
makefile:34: recipe for target 'debug' failed
mingw32-make: *** [debug] Error 2
13:52:03: Le processus "C:\Qt\Tools\mingw492_32\bin\mingw32-make.exe" s'est terminé avec le code 2.
Erreur lors de la compilation/déploiement du projet Double_video (kit : Desktop Qt 5.5.1 MinGW 32bit)
When executing step "Make"
13:52:03: Temps écoulé : 00:04.

voici le .pro

Code:

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#-------------------------------------------------
#
# Project created by QtCreator 2015-12-13T19:40:17
#
#-------------------------------------------------
 
QT       += core gui multimedia multimediawidgets
INCLUDEPATH += C:/opencv-build/install/include
 
 
 
 
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
 
TARGET = Double_video
TEMPLATE = app
 
 
SOURCES += main.cpp\
        mainwindow.cpp
 
HEADERS  += mainwindow.h
 
FORMS    += mainwindow.ui
 
 
 
LIBS += -LC:\\opencv-build\\bin \
    libopencv_core310 \
    libopencv_highgui310 \
    libopencv_imgproc310 \
    libopencv_features2d310 \
    libopencv_calib3d310 \

auriez-vous une idée peut-être que la librairie qui contient la fonction ne fait pas partie de celle incorporer?