ffmpeg -i input.wav -f mp3 -ice_url "http://icecast_server:port/mount_point" -ice_name "Stream Name" -ice_genre "Genre" -ice_public 1 -ice_description "Stream Description" -ice_private 0 -ice_bitrate 128k -acodec libmp3lame -re -vn -y icecast_stream.mp3