[FFmpeg-user] amerge multiple inputs with filter_complex

[Carl Eugen Hoyos]

Carl Eugen Hoyos <cehoyos <at> ag.or.at> writes:

> >   Duration: 00:02:27.24, start: 0.023220, bitrate: 353 kb/s
> 
> Your first overlay is 2:27
> 
> >   Duration: 00:02:30.81, start: 0.023220, bitrate: 288 kb/s
> 
> Your second overlay is 2:30
> 
> You will have to add a "-t" option to your command line if 
> you don't want your output file to have infinite length.
> (Try -t 2:27)

>From the amerge documentation:
If inputs do not have the same duration, the output will 
stop with the shortest. 

If you want more than 2:27 audio in your output 
file use the apad filter.

Carl Eugen