Question

我试图在CentOS 7（PC）上安装OpenCV-2.4.9，但是在运行＆＃34; make＆＃34;命令。我保留OpenCV的默认配置。

    make
    ...
 [ 16%] Building CXX object modules/highgui/CMakeFiles/opencv_highgui.dir/src/cap_v4l.cpp.o /opt/opencv-2.4.9/opencv/modules/highgui/src/cap_v4l.cpp:306:29: error: field ‘capability’ has incomplete type
         struct video_capability capability;
                                 ^ /opt/opencv-2.4.9/opencv/modules/highgui/src/cap_v4l.cpp:307:29: error: field ‘captureWindow’ has incomplete type
         struct video_window     captureWindow;
    ....
    ....
    /opt/opencv-2.4.9/opencv/modules/highgui/src/cap_v4l.cpp: In function ‘void icvCloseCAM_V4L(CvCaptureCAM_V4L*)’:
    /opt/opencv-2.4.9/opencv/modules/highgui/src/cap_v4l.cpp:2812:46: error: ‘CvCaptureCAM_V4L’ has no member named ‘memoryBuffer’

Answer 1

似乎HAVE_CAMV4L的定义值为1，如果你查看文件modules / highgui / src / cap_v4l.cpp，在第306行寻找结构定义。如果编译在那时失败，这意味着video4linux开发配置已损坏。

使用谷歌我发现OpenCV Bug＃1357描述如下：

CHECK_INCLUDE_FILE（linux / videodev.h HAVE_CAMV4L）成功，即使系统上不存在linux / videodev.h。（Bug＃1357）

http://code.opencv.org/issues/1357

无论如何，解决方案在“HAVE_CAMV4L设置不正确”的同一URL中描述：“在CMakeLists.txt中将其设置为FALSE可解决问题”。

在CentOS 7（PC）上安装OpenCV-2.4.9

1 个答案: