AM572x+QT5.7+Opencv

我在.cpp寫入

VideoCapture cap(0);

  Mat temp;

cap>>temp;
出現:3個錯
-1: error: mainwindow.o: undefined reference to symbol '_ZN2cv12VideoCaptureC1Ei'
/home/ywchen/ti-processor-sdk-linux-am57xx-evm-04.02.00.09/linux-devkit/sysroots/armv7ahf-neon-linux-gnueabi/usr/lib/libopencv_videoio.so.3.1:-1: error: error adding symbols: DSO missing from command line
:-1: error: collect2: error: ld returned 1 exit status
我的pro

INCLUDEPATH+= /home/ywchen/ti-processor-sdk-linux-rt-am57xx-evm-04.02.00.09/linux-devkit/sysroots/armv7ahf-neon-linux-gnueabi/usr/include \

/home/ywchen/ti-processor-sdk-linux-rt-am57xx-evm-04.02.00.09/linux-devkit/sysroots/armv7ahf-neon-linux-gnueabi/usr/include/opencv \

/home/ywchen/ti-processor-sdk-linux-rt-am57xx-evm-04.02.00.09/linux-devkit/sysroots/armv7ahf-neon-linux-gnueabi/usr/include/opencv2

LIBS +=/home/ywchen/ti-processor-sdk-linux-rt-am57xx-evm-04.02.00.09/linux-devkit/sysroots/armv7ahf-neon-linux-gnueabi/usr/lib/libopencv_core.so\

/home/ywchen/ti-processor-sdk-linux-rt-am57xx-evm-04.02.00.09/linux-devkit/sysroots/armv7ahf-neon-linux-gnueabi/usr/lib/libopencv_imgproc.so \

/home/ywchen/ti-processor-sdk-linux-rt-am57xx-evm-04.02.00.09/linux-devkit/sysroots/armv7ahf-neon-linux-gnueabi/usr/lib/libopencv_highgui.so \

/home/ywchen/ti-processor-sdk-linux-rt-am57xx-evm-04.02.00.09/linux-devkit/sysroots/armv7ahf-neon-linux-gnueabi/usr/lib/libopencv_imgcodecs.so \

/home/ywchen/ti-processor-sdk-linux-rt-am57xx-evm-04.02.00.09/linux-devkit/sysroots/armv7ahf-neon-linux-gnueabi/usr/lib/libopencv_videostab.so

不知哪裡錯了

yongqing wang：

pro文件中opencv的库都加了吗

yuwen Chen：

回复 yongqing wang:

一般需要加的有哪些

yongqing wang：

回复 yuwen Chen:

core imgcodecs highgui 这三个库一般都是要加的

yuwen Chen：

回复 yongqing wang:

有我都有加

yongqing wang：

回复 yuwen Chen:

这个几个库要用交叉编译的库