opencv_ffmpeg.dll

vs2017编译opencv3.4的需要下载的文件，里面包括face_landmark_model.dat，opencv_ffmpeg.dll，opencv_ffmpeg_64.dll,ippicv_

cmake编译必须下载这个驱动包:opencv_ffmpeg.dll、opencv_ffmpeg_64.dll、face_landmark_model.dat、2019_win_intel64_201

编译opencv3时需要下载的dll文件

OpenCV3及以上版本扩展opencv_contrib时，CMake编译可能用到的文件

使用Cmake安装环境时出错如下所示：安装时由于网络连接问题，几个主要的文件opencv_ffmpeg.dll，IPPICV:Download:ippicv_2017u3_win_intel64_ge

opencv3.10编译所需opencv_ffmpeg.dllopencv_ffmpeg_64.dll解压放到 opencv\sources\3rdparty\ffmpeg\下即可 使用opencv获

cmake编译opencv3.2过程中需要手动下载的文件，包括：ippicv_windows_20151201.zip；opencv_ffmpeg.dll；opencv_ffmpeg_64.dll

版本opencv4.1.0cmake3.15，以下是所包含的下载内容： ippicv_2019_win_intel64_20180723_general.zip opencv_ffmpeg.dll o

ffmpeg_version.cmake; opencv_ffmpeg.dll; opencv_ffmpeg_64.dll 编译过程中，下载易出错文件，共享给大家

对应opencv 3.4.3 包含四个文件:opencv_ffmpeg.dll、 opencv_ffmpeg_64.dll、 ffmpeg/ffmpeg_version.cmake、 -ippicv_

opencv_ffmpeg.dll,opencv_ffmpeg_64.dll,ffmpeg_version.cmake,ippicv_2017u3_win_ia32_general_20170822.

cmake 编译opencv 缺失opencv_ffmpeg.dll 、 opencv_ffmpeg_64.dll、ffmpeg_version.cmake等问题,只需替换下载替换.cache目录即可

opencv 3.4.3 包含四个文件:opencv_ffmpeg.dll、 opencv_ffmpeg_64.dll、 ffmpeg/ffmpeg_version.cmake、 -ippicv_20

cmake 编译opencv 缺失opencv_ffmpeg.dll 、 opencv_ffmpeg_64.dll、ffmpeg_version.cmake等问题,只需替换下载替换.cache目录即可

解决无法生成xfeatures2d的动态库:OpenCV源码中opencv/sources/3rdparty/ffmpeg 中缺少opencv_ffmpeg.dll和opencv_ffmpeg_64.