MP4FILE(-) May 2023 MP4FILE(-) (NAME) mp4file - mp4 (SYNOPSIS) mp4file [OPTION]... ACTION file... (DESCRIPTION) mp4 ACTION . (ACTION) . . (ACTIONS) --list ( ) --optimize mp4 --dump mp4 (OPTIONS) -y, --dryrun -k, --keepgoing -q, --quiet --verbose 0 -d, --debug NUM NUM -v, --verbose NUM NUM -h, --help --version ( I/O mp4) 0 () 1 () 2 3 (implicits) 4 (VERBOSE LEVELS) 0 1 () 2 3 1 MP4V2 MP4FILE(-)