[FFmpeg-user] Output file #0 does not contain any stream

[Moritz Barsnick]

On Fri, Jul 06, 2018 at 13:00:22 -0700, nominy wrote:
> ffmpeg file.flac file.amr
[...]
> Output #0, flac, to 'file.flac':
> Output file #0 does not contain any stream

Please take some time to learn the basics of ffmpeg syntax. You are not
specifying an input file.

$ ffmpeg -i file.flac file.amr

should work. (You may need to resample - my amr only support 8000 Hz
sample rate.)

Moritz