3
 $ ffmpeg -loop_input -i cover.jpg -i soundtrack.mp3 -shortest -acodec copy output_video.mp4

May 17, 2013, 8:09 p.m.kowalcj0

Explanation

Can come handy when you'd like to post a song to YT or somethin' :)

Can be easily wrapped up in a function:

function mp3tovidwithimg() {
  ffmpeg -loop_input -i $1 -i $2 -shortest -acodec copy $3
}

and used like that:

mp3tovidwithimg cover.jpeg music_track.mp3 output_vid.mp4