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系统:Ubuntu18.04
安装OpenCV 3.4.0
报错:
In file included from /home/zpj/CLionProjects/linuxidcbuild/modules/cudacodec/opencv_cudacodec_pch_dephelp.cxx:1:0:/home/zpj/CLionProjects/opencv-3.4.0/modules/cudacodec/src/precomp.hpp:60:18: fatal error: dynlink_nvcuvid.h: 没有那个文件或目录 #include^~~~~~~~~~~~~~~~~~~compilation terminated.modules/cudacodec/CMakeFiles/opencv_cudacodec_pch_dephelp.dir/build.make:62: recipe for target 'modules/cudacodec/CMakeFiles/opencv_cudacodec_pch_dephelp.dir/opencv_cudacodec_pch_dephelp.cxx.o' failedmake[2]: *** [modules/cudacodec/CMakeFiles/opencv_cudacodec_pch_dephelp.dir/opencv_cudacodec_pch_dephelp.cxx.o] Error 1CMakeFiles/Makefile2:7429: recipe for target 'modules/cudacodec/CMakeFiles/opencv_cudacodec_pch_dephelp.dir/all' failedmake[1]: *** [modules/cudacodec/CMakeFiles/opencv_cudacodec_pch_dephelp.dir/all] Error 2Makefile:162: recipe for target 'all' failedmake: *** [all] Error 2
如图所示:
原因:
系统安装的CUDA10中没有dynlink_nvcuvid.h文件
1.下载NVIDIA-SDK,下载地址
https://developer.nvidia.com/designworks/video_codec_sdk/downloads/v8.2-ga2
下载完成之后解压缩,文件路径Video_Codec_SDK_8.2.16->Samples->NvCodec->NvDecoder,将其中的nvcuvid.h, cuviddec.h连个文件copy到/usr/local/cuda/include/中,终端中输入指令
sudo mv nvcuvid.h /usr/local/cuda/includesudo mv cuviddec.h /usr/local/cuda/include
2.终端中输入指令进入报错提醒的文件目录中
cd /home/zpj/CLionProjects/opencv-3.4.0/modules/cudacodec/src/
终端中输入指令
vim precomp.hpp
将文件中的
#if CUDA_VERSION >= 9000 #include#else #include #endif
改为
#if CUDA_VERSION >= 9000 && CUDA_VERSION < 10000 #include#else #include #endif
或者将nvcuvid.h文件copy到modules/cudacodec/src/下, 同时将上面代码改为
#if CUDA_VERSION >= 9000 && CUDA_VERSION < 10000 #include#else #include "nvcuvid.h" #endif
在modules/cudacodec/src/precomp.hpp文件报错并修改之后,后续还有四个文件报错,依次是cuvid_video_source.hpp/frame_queue.hpp/video_decoder.hpp/video_parser.hpp,解决方法同上,然后就可以继续编译了
编译成功
参考博文
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