Assemblage video

Assembler plusieurs videos entre elle

ffmpeg -i "video1.mp4" -i "video2.mp4" -i "video3.mp4" -filter_complex "[0:v][0:a][1:v][1:a][2:v][2:a]concat=n=3:v=1:a=1[outv][outa]" -map "[outv]" -map "[outa]" -c:v libx264 -c:a aac -threads 4 -preset ultrafast "video-fini.mkv"