[Libav-user] filtering_audio.c example not working

[Stefano Sabatini]

On date Tuesday 2012-11-13 16:26:13 -0600, Ron Woods wrote:
> I have tried it on AVI or MOV input file as well -- same result; so, no, it doesn't seem to depend on input file.
> I am using same filter technique in another context to transcode audio from input movie to WAV output file, and it works fine there.
> Maybe it is something to do with the piping to ffplay that is not working right in Windows?

Possible. Try to put the output in a file, and then read it with
ffplay. IIRC there was an issue with Windows and pipes (and I'm not
sure cmd.com really supports them), you may want to search in trac
tickets.