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

[Nicolas George]

Randy Johnson via ffmpeg-user (12020-10-29):
> [0:v]setsar=1[v0];[2:v]setsar=1[v1];[v0][4:a][v1][4:a]concat=n=8:v=1:a=1"
                                       1    2   3    4

Still 4 inputs. Now, 8×(1+1) = 16. Sixteen is still not equal to four.

Regards,

-- 
  Nicolas George
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