在CUDA8.0下指定位置编译安装OpenCV3.1.0
一、本人电脑配置：ubuntu 14.04, NVIDIA GTX1060。
二、编译OpenCV3.1.0前，读者需要成功安装CUDA8.0(网上有相关教程)。
三、在CUDA8.0下编译安装OpenCV3.1.0。
1. 安装依赖库
. sudo apt-get update
. sudo apt-get install libopencv-dev build-essential checkinstall cmake pkg-config yasm libtiff4-dev libjpeg-dev libjasper-dev libavcodec-dev libavformat-dev libswscale-dev libdc1394--dev libxine-dev libgstreamer0.-dev libgstreamer-plugins-base0.-dev libv4l-dev python-dev python-numpy libtbb-dev libqt4-dev libgtk2.-dev libfaac-dev libmp3lame-dev libopencore-amrnb-dev libopencore-amrwb-dev libtheora-dev libvorbis-dev libxvidcore-dev x264 v4l-utils
. sudo add-apt-repository ppa:jon-severinsson/ffmpeg
. sudo apt-get update
. sudo apt-get install ffmpeg
. sudo apt-get install frei0r-plugins
2. 下载OpenCV资源
在OpenCV官网：https://opencv.org/releases.html，选择3.1.0，点击Source,下载opencv-3.1.0源码文件夹。
本人将opencv-3.1.0文件夹放置到 /home/yuanlibin目录下。
3. 编译安装
. cd opencv-3.1.
. mkdir build
. cd build
. cmake \
-D CMAKE_BUILD_TYPE=Release \
-D CMAKE_INSTALL_PREFIX=/usr/local/opencv_3.1.0 \
-D WITH_CUDA=ON \
-D WITH_CUBLAS=ON \
-D CUDA_FAST_MATH=ON \
-D WITH_CUFFT=ON \
-D WITH_NVCUVID=ON \
-D WITH_V4L=ON \
-D WITH_LIBV4L=ON \
-D WITH_OPENGL=ON \
-D WITH_FFMPEG=ON \
-D INSTALL_C_EXAMPLES=ON \
-D BUILD_EXAMPLES=ON \
..
编译出现错误（1）如下：
CMake Error: The following variables are used in this project, but they are set to NOTFOUND.
Please set them or make sure they are set and tested correctly in the CMake files:
CUDA_nvcuvid_LIBRARY (ADVANCED)
linked by target "opencv_cudacodec" in directory /home/yuanlibin/opencv-3.1./modules/cudacodec -- Configuring incomplete, errors occurred!
See also "/home/yuanlibin/opencv-3.1.0/build/CMakeFiles/CMakeOutput.log".
See also "/home/yuanlibin/opencv-3.1.0/build/CMakeFiles/CMakeError.log".
The problem was the missing libnvcuvid library which could be solved with the two following commands:
. sudo ln -s /usr/lib/nvidia-/libnvcuvid.so /usr/lib/libnvcuvid.so
. sudo ln -s /usr/lib/nvidia-/libnvcuvid.so. /usr/lib/libnvcuvid.so.
This solves the cmake error and afterwards allows to use the cuda video codec with opencv.
（说明：ln是linux中一个非常重要命令。它的功能是为某一个文件在另外一个位置建立一个同步的软链接，这个命令最常用的参数是-s,具体用法是：ln -s 源文件路径 目标文件路径。）
再次编译之后，终端显示如下：
……
Parallel framework: pthreads
--
-- Other third-party libraries:
-- Use IPP: 9.0. [9.0.]
-- at: /home/yuanlibin/opencv-3.1./3rdparty/ippicv/unpack/ippicv_lnx
-- Use IPP Async: NO
-- Use VA: NO
-- Use Intel VA-API/OpenCL: NO
-- Use Eigen: YES (ver 3.2.)
-- Use Cuda: YES (ver 8.0)
-- Use OpenCL: YES
-- Use custom HAL: NO
--
-- NVIDIA CUDA
-- Use CUFFT: YES
-- Use CUBLAS: YES
-- USE NVCUVID: YES
-- NVIDIA GPU arch:
-- NVIDIA PTX archs:
-- Use fast math: YES
……
然后执行以下命令：
. make -j4
编译出现错误（2）如下：
[ %] Building CXX object modules/cudacodec/CMakeFiles/opencv_cudacodec.dir/src/video_reader.cpp.o
make[]: *** No rule to make target `/usr/lib/libnvcuvid.so', needed by `lib/libopencv_cudacodec.so.3.1.0'. Stop.
make[]: *** Waiting for unfinished jobs....
[ %] Building CXX object modules/cudacodec/CMakeFiles/opencv_cudacodec.dir/src/cuvid_video_source.cpp.o
make[]: *** [modules/cudacodec/CMakeFiles/opencv_cudacodec.dir/all] Error
make[]: *** Waiting for unfinished jobs....
Scanning dependencies of target opencv_cudafilters
[ %] Building CXX object modules/cudafilters/CMakeFiles/opencv_cudafilters.dir/src/filtering.cpp.o
Linking CXX shared library ../../lib/libopencv_cudafilters.so
[ %] Built target opencv_cudafilters
make: *** [all] Error
yuanlibin@yuanlibin:~/opencv-3.1./build$
Find out where libnvcuvid.so is located and create a softlink to it:
. locate libnvcuvid.so
. sudo ln -s /path/to/found/libnvcuvid.so /usr/lib/libnvcuvid.so
locate命令找到相应的路径。
yuanlibin@yuanlibin:~/opencv-3.1./build$ locate libnvcuvid.so
/usr/lib/nvidia-/libnvcuvid.so
/usr/lib/nvidia-/libnvcuvid.so.
/usr/lib/nvidia-/libnvcuvid.so.367.57
/usr/lib32/nvidia-/libnvcuvid.so
/usr/lib32/nvidia-/libnvcuvid.so.
/usr/lib32/nvidia-/libnvcuvid.so.367.57
yuanlibin@yuanlibin:~/opencv-3.1./build$
本文软链接命令如下：
. sudo ln -s /usr/lib/nvidia-/libnvcuvid.so /usr/lib/libnvcuvid.so
如果显示已经存在，把相应的/usr/lib/libnvcuvid.so删除，重新编译。
编译出现错误（3）如下：
……
[ %] Building CXX object modules/cudalegacy/CMakeFiles/opencv_cudalegacy.dir/src/graphcuts.cpp.o
/home/yuanlibin/opencv-3.1./modules/cudalegacy/src/graphcuts.cpp::: error: ‘NppiGraphcutState’ has not been declared
typedef NppStatus (*init_func_t)(NppiSize oSize, NppiGraphcutState** ppState, Npp8u* pDeviceMem);
^
/home/yuanlibin/opencv-3.1./modules/cudalegacy/src/graphcuts.cpp::: error: expected type-specifier before ‘NppiGraphcutState’
operator NppiGraphcutState*()
^
/home/yuanlibin/opencv-3.1./modules/cudalegacy/src/graphcuts.cpp::: error: ‘NppiGraphcutState’ does not name a type
NppiGraphcutState* pState;
^
In file included from /home/yuanlibin/opencv-3.1./build/modules/cudalegacy/precomp.hpp:::
/home/yuanlibin/opencv-3.1./modules/cudalegacy/src/graphcuts.cpp: In constructor ‘{anonymous}::NppiGraphcutStateHandler::NppiGraphcutStateHandler(NppiSize, Npp8u*, {anonymous}::init_func_t)’:
/home/yuanlibin/opencv-3.1./modules/cudalegacy/src/graphcuts.cpp::: error: ‘pState’ was not declared in this scope
nppSafeCall( func(sznpp, &pState, pDeviceMem) );
^
/home/yuanlibin/opencv-3.1./modules/core/include/opencv2/core/private.cuda.hpp::: note: in definition of macro ‘nppSafeCall’
#define nppSafeCall(expr) cv::cuda::checkNppError(expr, __FILE__, __LINE__, CV_Func)
^
/home/yuanlibin/opencv-3.1./modules/cudalegacy/src/graphcuts.cpp: In destructor ‘{anonymous}::NppiGraphcutStateHandler::~NppiGraphcutStateHandler()’:
/home/yuanlibin/opencv-3.1./modules/cudalegacy/src/graphcuts.cpp::: error: ‘pState’ was not declared in this scope
nppSafeCall( nppiGraphcutFree(pState) );
^
……
解决方法：http://blog.csdn.net/xuzhongxiong/article/details/52717285
这是因为opecv3.0与cuda8.0不兼容导致的。修改 /home/yuanlibin/opencv-3.1.0/modules/cudalegacy/src/graphcuts.cpp文件内容，如下：
//#if !defined (HAVE_CUDA) || defined (CUDA_DISABLER)//ziji zhushi
#if !defined (HAVE_CUDA) || defined (CUDA_DISABLER) || (CUDART_VERSION>=8000)//ziji tianjia
重新编译出现错误（4）如下：
[ %] Building CXX object samples/gpu/CMakeFiles/example_gpu_opticalflow_nvidia_api.dir/opticalflow_nvidia_api.cpp.o
Linking CXX executable ../../bin/gpu-example-opengl
CMakeFiles/example_gpu_opengl.dir/opengl.cpp.o: In function `draw(void*)':
opengl.cpp:(.text._Z4drawPv+0x21): undefined reference to `glRotated'
CMakeFiles/example_gpu_opengl.dir/opengl.cpp.o: In function `main':
opengl.cpp:(.text.startup.main+0x4ae): undefined reference to `glMatrixMode'
opengl.cpp:(.text.startup.main+0x4b3): undefined reference to `glLoadIdentity'
opengl.cpp:(.text.startup.main+0x4d8): undefined reference to `gluPerspective'
opengl.cpp:(.text.startup.main+0x4e2): undefined reference to `glMatrixMode'
opengl.cpp:(.text.startup.main+0x4e7): undefined reference to `glLoadIdentity'
opengl.cpp:(.text.startup.main+0x519): undefined reference to `gluLookAt'
opengl.cpp:(.text.startup.main+0x523): undefined reference to `glEnable'
opengl.cpp:(.text.startup.main+0x54b): undefined reference to `glTexParameteri'
opengl.cpp:(.text.startup.main+0x55f): undefined reference to `glTexEnvi'
opengl.cpp:(.text.startup.main+0x569): undefined reference to `glDisable'
collect2: error: ld returned exit status
Linking CXX executable ../../bin/gpu-example-optical_flow
make[]: *** [bin/gpu-example-opengl] Error
make[]: *** [samples/gpu/CMakeFiles/example_gpu_opengl.dir/all] Error
make[]: *** Waiting for unfinished jobs....
[ %] Built target example_gpu_optical_flow
解决方法：https://github.com/opencv/opencv/issues/5859
For fixing the problem, one more permanent solution is to add in /home/yuanlibin/opencv-3.1.0/samples/gpu/CMakeLists.txt the following lines:
find_package(OpenGL REQUIRED)#ziji tianjia
find_package(GLUT REQUIRED)#ziji tianjia #ocv_target_link_libraries(${the_target} ${OPENCV_LINKER_LIBS} ${OPENCV_CUDA_SAMPLES_REQUIRED_DEPS})#yuanlaide
ocv_target_link_libraries(${the_target} ${OPENCV_LINKER_LIBS} ${OPENCV_CUDA_SAMPLES_REQUIRED_DEPS} ${OPENGL_LIBRARIES} ${GLUT_LIBRARY})#ziji tianjia
最终编译成功，终端显示如下：
[ %] Build Java tests
Linking CXX executable ../../bin/cpp-tutorial-video-write
Buildfile: /home/yuanlibin/opencv-3.1./build/modules/java/pure_test/.build/build.xml
[ %] Built target tutorial_video-write
Linking CXX executable ../../bin/cpp-tutorial-video-input-psnr-ssim
Linking CXX executable ../../bin/cpp-tutorial-planar_tracking build: compile:
[javac] Compiling source files to /home/yuanlibin/opencv-3.1./build/modules/java/pure_test/.build/build/classes
[ %] Built target tutorial_planar_tracking
[ %] Built target tutorial_video-input-psnr-ssim jar:
[jar] Building jar: /home/yuanlibin/opencv-3.1./build/modules/java/pure_test/.build/build/jar/opencv-test.jar BUILD SUCCESSFUL
Total time: seconds
[%] Built target opencv_test_java
yuanlibin@yuanlibin:~/opencv-3.1./build$
再执行一次，终端显示如下：
yuanlibin@yuanlibin:~/opencv-3.1./build$ make -j4
[ %] [ %] [ %] Built target opencv_ts_pch_dephelp
Built target opencv_cudev
Built target opencv_core_pch_dephelp
[ %] Built target libwebp
[ %] [ %] Built target opencv_imgproc_pch_dephelp
Built target opencv_imgcodecs_pch_dephelp
[ %] Built target opencv_highgui_pch_dephelp
[ %] [ %] Built target opencv_perf_core_pch_dephelp
Built target opencv_videoio_pch_dephelp
[ %] Built target opencv_cudaarithm_pch_dephelp
[ %] Built target opencv_perf_cudaarithm_pch_dephelp
[ %] [ %] Built target opencv_test_core_pch_dephelp
Built target opencv_test_cudaarithm_pch_dephelp
[ %] Built target opencv_flann_pch_dephelp
[ %] Built target opencv_test_flann_pch_dephelp
[ %] Built target opencv_perf_imgproc_pch_dephelp
[ %] Built target opencv_test_imgproc_pch_dephelp
[ %] Built target opencv_test_ml_pch_dephelp
[ %] [ %] Built target opencv_ml_pch_dephelp
Built target opencv_video_pch_dephelp
[ %] [ %] Built target opencv_test_video_pch_dephelp
Built target opencv_perf_video_pch_dephelp
[ %] [ %] Built target opencv_test_viz_pch_dephelp
Built target opencv_viz_pch_dephelp
[ %] Built target opencv_perf_cudabgsegm_pch_dephelp
[ %] Built target opencv_cudabgsegm_pch_dephelp
[ %] [ %] Built target opencv_test_cudabgsegm_pch_dephelp
Built target opencv_cudafilters_pch_dephelp
[ %] Built target opencv_perf_cudafilters_pch_dephelp
[ %] Built target opencv_test_cudafilters_pch_dephelp
[ %] [ %] Built target opencv_perf_cudaimgproc_pch_dephelp
Built target opencv_cudaimgproc_pch_dephelp
[ %] Built target opencv_test_cudaimgproc_pch_dephelp
[ %] Built target opencv_cudawarping_pch_dephelp
[ %] Built target opencv_perf_cudawarping_pch_dephelp
[ %] Built target opencv_test_cudawarping_pch_dephelp
[ %] Built target opencv_perf_imgcodecs_pch_dephelp
[ %] Built target opencv_perf_photo_pch_dephelp
[ %] Built target opencv_photo_pch_dephelp
[ %] Built target opencv_test_imgcodecs_pch_dephelp
[ %] Built target opencv_test_photo_pch_dephelp
[ %] [ %] [ %] Built target opencv_test_shape_pch_dephelp
Built target opencv_shape_pch_dephelp
Built target opencv_perf_videoio_pch_dephelp
[ %] [ %] [ %] [ %] Built target opencv_test_cudacodec_pch_dephelp
Built target opencv_perf_cudacodec_pch_dephelp
Built target opencv_cudacodec_pch_dephelp
Built target opencv_test_videoio_pch_dephelp
[ %] [ %] [ %] Built target opencv_perf_objdetect_pch_dephelp
Built target opencv_test_highgui_pch_dephelp
Built target opencv_test_objdetect_pch_dephelp
[ %] Built target opencv_objdetect_pch_dephelp
[ %] [ %] Built target opencv_perf_features2d_pch_dephelp
Built target opencv_test_features2d_pch_dephelp
[ %] Built target opencv_features2d_pch_dephelp
[ %] Built target opencv_calib3d_pch_dephelp
[ %] [ %] Built target opencv_perf_calib3d_pch_dephelp
Built target opencv_test_calib3d_pch_dephelp
[ %] [ %] Built target opencv_perf_cudafeatures2d_pch_dephelp
Built target opencv_cudafeatures2d_pch_dephelp
[ %] Built target opencv_test_cudafeatures2d_pch_dephelp
[ %] Built target opencv_cudalegacy_pch_dephelp
[ %] Built target opencv_perf_cudalegacy_pch_dephelp
[ %] [ %] Built target opencv_test_cudalegacy_pch_dephelp
Built target opencv_cudaobjdetect_pch_dephelp
[ %] Built target opencv_perf_cudaobjdetect_pch_dephelp
[ %] Built target opencv_test_cudaobjdetect_pch_dephelp
[ %] [ %] Built target opencv_perf_cudaoptflow_pch_dephelp
Built target opencv_test_cudaoptflow_pch_dephelp
[ %] Built target opencv_cudaoptflow_pch_dephelp
[ %] Built target opencv_cudastereo_pch_dephelp
[ %] Built target opencv_test_cudastereo_pch_dephelp
[ %] Built target opencv_perf_cudastereo_pch_dephelp
[ %] Built target opencv_perf_stitching_pch_dephelp
[ %] [ %] [ %] Built target opencv_stitching_pch_dephelp
Built target opencv_test_stitching_pch_dephelp
Built target opencv_perf_superres_pch_dephelp
[ %] [ %] [ %] Built target opencv_superres_pch_dephelp
Built target opencv_test_superres_pch_dephelp
Built target pch_Generate_opencv_ts
[ %] Built target opencv_videostab_pch_dephelp
[ %] [ %] [ %] Built target pch_Generate_opencv_imgcodecs
Built target pch_Generate_opencv_core
Built target pch_Generate_opencv_imgproc
[ %] Built target pch_Generate_opencv_videoio
[ %] [ %] Built target pch_Generate_opencv_highgui
Built target pch_Generate_opencv_test_core
[ %] [ %] Built target pch_Generate_opencv_perf_core
Built target pch_Generate_opencv_cudaarithm
[ %] Built target pch_Generate_opencv_perf_cudaarithm
[ %] Built target pch_Generate_opencv_test_cudaarithm
[ %] [ %] Built target pch_Generate_opencv_flann
Built target pch_Generate_opencv_test_flann
[ %] [ %] Built target pch_Generate_opencv_perf_imgproc
Built target pch_Generate_opencv_test_imgproc
[ %] [ %] Built target pch_Generate_opencv_ml
Built target pch_Generate_opencv_test_ml
[ %] [ %] Built target pch_Generate_opencv_video
Built target pch_Generate_opencv_perf_video
[ %] Built target pch_Generate_opencv_viz
[ %] [ %] Built target pch_Generate_opencv_test_video
Built target pch_Generate_opencv_test_viz
[ %] Built target pch_Generate_opencv_cudabgsegm
[ %] Built target pch_Generate_opencv_perf_cudabgsegm
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Built target pch_Generate_opencv_cudafilters
[ %] Built target pch_Generate_opencv_perf_cudafilters
[ %] Built target pch_Generate_opencv_test_cudafilters
[ %] Built target pch_Generate_opencv_cudaimgproc
[ %] Built target pch_Generate_opencv_perf_cudaimgproc
[ %] Built target pch_Generate_opencv_test_cudaimgproc
[ %] Built target pch_Generate_opencv_cudawarping
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Built target pch_Generate_opencv_perf_imgcodecs
Built target pch_Generate_opencv_test_cudawarping
[ %] Built target pch_Generate_opencv_test_imgcodecs
[ %] [ %] [ %] Built target pch_Generate_opencv_perf_photo
Built target pch_Generate_opencv_photo
Built target pch_Generate_opencv_test_photo
[ %] [ %] [ %] Built target pch_Generate_opencv_shape
Built target pch_Generate_opencv_test_videoio
Built target pch_Generate_opencv_test_shape
[ %] Built target pch_Generate_opencv_perf_videoio
[ %] [ %] Built target pch_Generate_opencv_cudacodec
Built target pch_Generate_opencv_perf_cudacodec
[ %] Built target pch_Generate_opencv_test_cudacodec
[ %] Built target pch_Generate_opencv_test_highgui
[ %] [ %] [ %] Built target pch_Generate_opencv_objdetect
Built target pch_Generate_opencv_perf_objdetect
Built target pch_Generate_opencv_test_objdetect
[ %] Built target pch_Generate_opencv_features2d
[ %] [ %] [ %] Built target pch_Generate_opencv_test_features2d
Built target pch_Generate_opencv_perf_features2d
Built target pch_Generate_opencv_calib3d
[ %] Built target pch_Generate_opencv_perf_calib3d
[ %] [ %] Built target pch_Generate_opencv_test_calib3d
Built target pch_Generate_opencv_cudafeatures2d
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Built target pch_Generate_opencv_perf_cudafeatures2d
[ %] [ %] Built target pch_Generate_opencv_perf_cudalegacy
Built target pch_Generate_opencv_cudalegacy
[ %] Built target pch_Generate_opencv_cudaobjdetect
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Built target pch_Generate_opencv_perf_cudaobjdetect
[ %] Built target pch_Generate_opencv_test_cudalegacy
[ %] Built target pch_Generate_opencv_cudaoptflow
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Built target pch_Generate_opencv_perf_cudaoptflow
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Built target pch_Generate_opencv_perf_cudastereo
[ %] Built target pch_Generate_opencv_perf_stitching
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Built target pch_Generate_opencv_superres
[ %] Built target pch_Generate_opencv_test_superres
[ %] Built target pch_Generate_opencv_videostab
[ %] Built target opencv_core
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[ %] Built target opencv_viz
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Built target opencv_video
[ %] Built target opencv_imgcodecs
[ %] Built target opencv_shape
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[ %] Built target opencv_cudafilters
[ %] Built target opencv_highgui
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[ %] Built target opencv_annotation
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[ %] Built target opencv_test_core
[ %] Built target opencv_test_ml
[ %] [ %] Built target opencv_perf_video
Built target opencv_perf_imgproc
[ %] Built target opencv_test_video
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Built target opencv_test_viz
[ %] Built target opencv_test_cudabgsegm
[ %] [ %] Built target opencv_perf_cudafilters
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[ %] Built target opencv_perf_cudawarping
[ %] Built target opencv_perf_imgcodecs
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[ %] Built target opencv_perf_videoio
[ %] Built target opencv_perf_cudacodec
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[ %] Built target opencv_perf_objdetect
[ %] Built target opencv_perf_features2d
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[ %] Built target opencv_perf_photo
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[ %] Built target opencv_calib3d
[ %] Built target opencv_cudafeatures2d
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[ %] Built target opencv_cudastereo
[ %] Built target opencv_createsamples
[ %] Built target opencv_cudalegacy
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yuanlibin@yuanlibin:~/opencv-3.1./build$
最后执行安装命令：
. sudo make install
至此OpenCV3.1.0编译安装全部完成，指定安装到路径/usr/local/opencv_3.1.0。
这样GPU版本的opencv就编译安装完成了，可以调用opencv中GPU相关的函数。