ffmpeg -i someRawVideoInput -c:v libx264 -r 24 -tune zerolatency -pix_fmt yuv420p -g 400 -encryption_scheme cenc-aes-ctr -encryption_key 76a6c65c5ea762046bd749a2e632ccbb -encryption_kid a7e61c373e219033c21091fa607bf3b8 encrypted.mp4

ffmpeg -i someRawVideoInput -c:v libx264 -r 24 -tune zerolatency -pix_fmt yuv420p -g 400 -segment_time 10 -f segment segmentedFile_%d.mp4