[FFmpeg-user] Cannot find a matching stream for unlabeled input pad 7 on filter Parsed_concat_2

[Edward Park]

Hi,

> Can you please elaborate on the (1+1) part?
> I see here https://trac.ffmpeg.org/wiki/Concatenate 
> 
> that n=x where x is the number of input segments

Since there is a video stream and an audio stream in each segment (1+1), for 4 segments there should be 8 inputs.


Regards,
Ted Park