ho provato a compilare OpenCV raccolti 3,0 alfa per Qt Creator 5.4 con CMake 3.1.0, ma ho l'errore:OpenCV 3.0 videoio errore
[ 44%] Building CXX object modules/videoio/CMakeFiles/opencv_videoio.dir/src/cap
_dshow.cpp.obj
D:\opencv\sources\modules\videoio\src\cap_dshow.cpp:122:11: error: base class 's
truct IUnknown' has accessible non-virtual destructor [-Werror=non-virtual-dtor]
interface IEnumPIDMap : public IUnknown
^
D:\opencv\sources\modules\videoio\src\cap_dshow.cpp:141:11: error: base class 's
truct IUnknown' has accessible non-virtual destructor [-Werror=non-virtual-dtor]
interface IMPEG2PIDMap : public IUnknown
^
D:\opencv\sources\modules\videoio\src\cap_dshow.cpp:231:11: error: base class 's
truct IUnknown' has accessible non-virtual destructor [-Werror=non-virtual-dtor]
interface ISampleGrabberCB : public IUnknown
^
D:\opencv\sources\modules\videoio\src\cap_dshow.cpp:245:11: error: base class 's
truct IUnknown' has accessible non-virtual destructor [-Werror=non-virtual-dtor]
interface ISampleGrabber : public IUnknown
^
cc1plus.exe: some warnings being treated as errors
modules\videoio\CMakeFiles\opencv_videoio.dir\build.make:150: recipe for target
'modules/videoio/CMakeFiles/opencv_videoio.dir/src/cap_dshow.cpp.obj' failed
mingw32-make[2]: *** [modules/videoio/CMakeFiles/opencv_videoio.dir/src/cap_dsho
w.cpp.obj] Error 1
CMakeFiles\Makefile2:2719: recipe for target 'modules/videoio/CMakeFiles/opencv_
videoio.dir/all' failed
mingw32-make[1]: *** [modules/videoio/CMakeFiles/opencv_videoio.dir/all] Error 2
makefile:136: recipe for target 'all' failed
mingw32-make: *** [all] Error 2
Ho selezionato:
CMAKE --> CMAKE_BUILD_TYPE = Debug
WITH --> WITH_EIGEN = 0
WITH --> WITH_OPENGL = 0
WITH --> WITH_IPP = 0
Il resto del le impostazioni sono predefinite. Il mio sistema operativo è Windows 7 a 64 bit. Fonte libreria OpenCV: http://sourceforge.net/projects/opencvlibrary/files/opencv-win/3.0.0-alpha/
Cosa c'è che non va? Qualche idea?
Funziona per me. Grazie! – Khue
Il problema si verifica ancora e la soluzione funziona anche con OpenCV 3.1, Qt 5.5 con MinGW 4.92, Cmake 3.4.0 – serigado