ffmpeg-scripts.md

Concat a video with a reversed version of itself (for looping)

# without audio
ffmpeg -i input.mp4 -filter_complex "[0:v]reverse,fifo[r];[0:v][r] concat=n=2:v=1 [v]" -map "[v]" output.mp4

# with audio
ffmpeg -i input.mp4 -filter_complex "[0:v]reverse,fifo[r];[0:v][0:a][r] [0:a]concat=n=2:v=1:a=1 [v] [a]" -map "[v]" -map "[a]" output.mp4