[FFmpeg-user] how to pass output of lavfi to xv?

[Moritz Barsnick]

On Sun, May 28, 2017 at 23:51:18 +0300, Anatoly wrote:
> # ffmpeg -i Like\ an\ e-bird.mp3 -lavfi showvolume -f xv audiolevel
> And I've got:
> ...
> Stream mapping:

Would you please quote the complete, uncut console output? There's
other valuable information in there.

I get a totally different error message, including an indication as to
what to do about it (choose an xv-compatible pixel format). Which
version of ffmpeg are you using? (The console output will show us...)

Moritz