to see diagnostic information about FFmpeg detection. 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.Because of software patents, Audacity cannot include the FFmpeg software or distribute it from its own websites.
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". The optional FFmpeg library allows Audacity to import and export a much larger range of audio formats including M4A (AAC), AC3, AMR (narrow band) and WMA and also to import audio from most video files. 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.
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