![]() ![]() ![]() cache folder.Īs a final note: my very personal experience is that programmatically downloading a file from internet ( wget or cURL) is very often very problematic in Windows behind a company firewall.Encode audio and video files to 46 formatsīatch processing – Multiple files can be encoded with same settings I followed the suggestion to refer to the log file C:/dev/opencv_build/CMakeDownloadLog.txt and I managed to fix by myself the issues: I manually downloaded the file and copied them to. I downloaded OpenCV 3.4.2 and I tried to build it through cmake-gui.Īfter many minutes (in my opinion way too much minutes) I got this warning:ĬMake Warning at cmake/OpenCVDownload.cmake:190 (message):įFMPEG: Download failed: 28 "Timeout was reached"įor details please refer to the download log file:ģrdparty/ffmpeg/ffmpeg.cmake:20 (ocv_download)Ĭmake/OpenCVFindLibsVideo.cmake:228 (download_win_ffmpeg)Īnd then the same for opencv_ffmpeg_64.dll and ffmpeg.cmake. ![]() In my opinion, this issue is somewhat still relevant even with OpenCV 3.4.2. Go To Section, And Find This Line :įFMPEG_BINARIES_COMMIT "2a19d0006415955c79431116e4634f04d5eb5a74"Īnd Get MD5 For Your Version, For Example Here I'm Get "2a19d0006415955c79431116e4634f04d5eb5a74".Īnd Replace With Your MD5 Code ^^Īlso Replace The Name Of Each File Of Required List To Download In. Open it, And You Get Informaions About All Things. "C:\ \sources\3rdparty\ffmpeg\ffmpeg.cmake" You Can Know The MD5 Hash Code For Each File In This Path: With Other Version of OpenCV, You Can Follow The Same Steps But With "Different" MD5 Hash. Check if MD5 of dlls/files is correct ^^ ![]()
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