FFMPEG – Expandir Video con Fondo Borroso
Código
ffmpeg -f lavfi -i color=s=1920x1080:c=black -i %1 -filter_complex "[1] boxblur=5:1 [a];[a] scale=1920:-1 [b];[1] scale=-1:1080 [v]; [b] crop=1920:1080:0:0 [s]; [s][v] overlay=(W-w)/2:0" -y %1.ouput.mp4