[FFmpeg-user] Combining multiple MP3's?

[Roger Pack]

On Mon, Sep 3, 2012 at 8:00 AM, Gilles <codecomplete at free.fr> wrote:
> Hello
>
> I google for this but it doesn't work. It might be a Windows-specific
> issue:
>
> ============
> C:\>ffmpeg.N-37208-g01fcbdf.exe -i
> concat:"Dummy01.mp3\|Dummy02.mp3\|Dummy03.mp3\|Dummy04.mp3\|Dummy05.mp3\|Dummy06.mp3\|Dummy07.mp3"
> -acodec copy Dummy.mp3
>
> concat:Dummy01.mp3\|Dummy02.mp3\|Dummy03.mp3\|Dummy04.mp3\|Dummy05.mp3\|Dummy06.mp3\|Dummy07.mp3:
> Invalid argument

This works for me in windows:
ffmpeg -i concat:"lame1.mp3|lame2.mp3" -acodec copy yo.mp3

So my guess is you don't want to escape those pipes.
-r