opencv_videoio_ffmpeg_64.zip

opencv4.2编译缺少的动态库,opencv_videoio_ffmpeg_64.dll,opencv_videoio_ffmpeg.dll,ffmpeg_version.cmake,cmake文件可能出错,在CMakeDownloadLog.txt找到对应的md5值,将文件名修改为"MD5值_ffmpeg_version.cmake"的格式,基本可以解决该问题。