ffmpeg -i film.mkv film.avi
ffmpeg -i input.flv -ar 22050 -b 2048k output.avi
ffmpeg -async 1 -i inputVideo.flv -f avi -b 700k -qscale 0 -ab 160k -ar 44100 outputVideo.avi
ffmpeg -loglevel 0 -async 1 -i inputVideo.flv -f avi -b 700k -sameq -ab 160k -ar 44100 outputVideo.avi
ffmpeg.exe -i video.flv -qscale 0 outputVideo.avi
ffmpeg -i film.webm -qscale 0 -strict -2 film.mp4