opencv生成视频时报错

使用opencv4.5.1

ffmepg版本2021-03-28

vs2019

[ INFO:0] global C:\build\master_winpack-build-win64-vc15\opencv\modules\videoio\src\backend_plugin.cpp (175) cv::impl::DynamicLib::libraryLoad load D:\OPENCV\opencv\build\x64\vc15\bin\opencv_videoio_ffmpeg451_64d.dll => FAILED

[ INFO:0] global C:\build\master_winpack-build-win64-vc15\opencv\modules\videoio\src\backend_plugin.cpp (175) cv::impl::DynamicLib::libraryLoad load opencv_videoio_ffmpeg451_64d.dll => FAILED

运行时显示有这两句failed 请问怎么解决

已知好像缺少opencv_videoio_ffmpeg451_64d.dll文件 满世界找不到 重新下了两个包也没有

解决了 没事了