1 min readSep 18, 2019
I believe your ffmpeg command is a bit off as it is missing the -i and should be:
ffmpeg -i foo.mp4 -f s16le -acodec pcm_s16le -vn -ac 1 -ar 16k foo.raw
Since it was missing that, I got “Output file #0 does not contain any stream” when trying to make a slideshow out of images”