ffmpeg

Record, convert, and stream audio and video with multiple codecs

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Play, record, convert, and stream select audio and video codecs

ffmpegffprobeffplay

Convert video format from MP4 to WebM$ ffmpeg -i input.mp4 -c:v libvpx -c:a libopus output.webm

Extract audio from video as MP3$ ffmpeg -i video.mp4 -q:a 0 -map a audio.mp3

Get detailed information about a media file$ ffprobe -v error -show_format -show_streams input.mp4