Tecadmin published a tutorial about installing and using FFmpeg on Debian 10.

How to Install and Use FFmpeg on Debian 10

FFmpeg is an open-source application used to work with audio, video, video streams and other multimedia files. You can use ffmpeg to convert video files, extract audio, reducing file size, convert file types. Using ffmpeg, we can also create a video stream from a video file publish over rtmp protocol.

How to Install and Use FFmpeg on Debian 10 – TecAdmin