For those who handles video streaming, which software do you use in production to segmented the video? I've already tinkered around with ffmpeg including throw

For those who handles video streaming, which software do you use in production to segmented the video? I've already tinkered around with ffmpeg including throwing around any movflags I could find and it will never be able to stream it properly in chunks. My current working solution is using MP4Box with this command MP4Box -dash 1000 -rap -frag-rap test.mp4