It does not cover Cygwin, since Cygwin is a system that behavesbasically like a unix system, and the biggest problems of using FFmpegoccur with people that aren't very familiar with unix systems.īefore you start, these messages must be clearly understood:įFMPEG DOES NOT BUILD UNDER MSVC++, AND WILL NOT, EVER, BUILD UNDER MSVC++. to see diagnostic information about FFmpeg detection.The purpose of this wiki is to provide help on everything thatinvolves FFmpeg under Windows.It originated as a step-by-step guide for building under a MSys+MinGWsystem, but now also includes guides for using FFmpeg's libraries inyour projects ( C++, C#). You can also choose Help > Diagnostics > Show Log. button to obtain the correct library for your operating system. If you still see 'not found', you may have installed the wrong libraries. Click Open then OK and OK again to close Preferences.įFmpeg Library Version should now show a set of three version numbers for the sub-libraries of FFmpeg ('F' for libavformat version, 'C' for libavcodec version and 'U' for libavutil version).Navigate to the folder that contains FFmpeg, and select the file avformat-55.dll.If the ' Locate FFmpeg' dialog appears, click Browse.If a ' Success' message indicates Audacity has now automatically detected valid FFmpeg libraries and asks if you want to detect them manually, click No, then OK to close Preferences.To do this, access Preferences then the 'Libraries' tab on the left:Īs seen in the image above, the 'FFmpeg Library Version' will say 'not found'.

If you installed FFmpeg while Audacity was running, or if you installed FFmpeg to a non-default location, Audacity will ask you to configure Preferences to locate the FFmpeg library.

How to build ffmpeg for windows