Carl Eugen Hoyos <cehoyos <at> ag.or.at> writes: > you will have to add silence to out.mp4 which > should be trivial: > $ ffmpeg -loop 1 -i img.jpg -f pcm_s16le -i /dev/zero This should have been: $ ffmpeg -loop 1 -i img.jpg -f s16le -i /dev/zero Sorry, Carl Eugen