ffmpeg concat error unable to find a suitable output format

Question

I'm trying to batch concat a outro video to multiple videos. I am just tetsing it using the following command: ffmpeg -i test.mp4 -i hello.mp4 -filter comp lex “[0:v:0] [0:a:0] [1:v:0] [1:a:0] concat=n=2:v=1:a=1 [v] [a]” -map “[v]” -map “[a]” outpu t_video.mp4

However I get the following Error:

[NULL @ 04fc2c00] Unable to find a suitable output format for '[0:v:0] [0:a:0] [1:v:0] [1:a:0] concat=n=2:v=1:a=1 [v] [a]' [0:v:0] [0:a:0] [1:v:0] [1:a:0] concat=n=2:v=1:a=1 [v] [a]: Invalid argument

@LordNeckbeard any suggestions as to how i can use this code or ffmpeg -f concat -i mylist.txt -c copy output.mp4 method to add outro to 100's of videos? — jasan
– jasan, Commented Aug 31, 2017 at 20:35

llogan · Accepted Answer · 2020-01-27 20:13:18Z

5

Change -filter complex to -filter_complex
Replace the “smart / fancy” quotes with normal double quotes (").

edited Jan 27, 2020 at 20:13

answered Sep 1, 2017 at 1:00

llogan

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