问题描述
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 <dynlink_nvcuvid.h>
^~~~~~~~~~~~~~~~~~~
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' failed
make[2]: *** [modules/cudacodec/CMakeFiles/opencv_cudacodec_pch_dephelp.dir/opencv_cudacodec_pch_dephelp.cxx.o] Error 1
CMakeFiles/Makefile2:7429: recipe for target 'modules/cudacodec/CMakeFiles/opencv_cudacodec_pch_dephelp.dir/all' failed
make[1]: *** [modules/cudacodec/CMakeFiles/opencv_cudacodec_pch_dephelp.dir/all] Error 2
Makefile:162: recipe for target 'all' failed
make: *** [all] Error 2
如图所示:
原因:
系统安装的CUDA10中没有dynlink_nvcuvid.h文件
解决办法
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/include
sudo 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 <dynlink_nvcuvid.h>
#else
#include <nvcuvid.h>
#endif
改为
#if CUDA_VERSION >= 9000 && CUDA_VERSION < 10000
#include <dynlink_nvcuvid.h>
#else
#include <nvcuvid.h>
#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 <dynlink_nvcuvid.h>
#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
OpenCV CUDA 10 安装 dynlink_nvcuvid.h 问题解决方法
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