[FFmpeg-user] mix 2 mp4 audio only

[Carl Eugen Hoyos]

Madovsky <infos <at> madovsky.org> writes:

> I'm trying to mix 2 streams without to decode 
> reencode using audio only
> 
> ffmpeg -i stream1.mp4 -i stream2.mp4 -vn 
> -map 0:1 -map 1:1 -acodec copy out.mp4

Please provide complete, uncut console output 
with every failing command line.

Carl Eugen