040000 tree ded323946569535a204f203184e85316dd537249	buffer
040000 tree 810f257af1e45c74db01457421e00cff52e73b7c	codec
040000 tree 00ed0bf24c60f1e1700a5d17198a6891fb207c42	commands
040000 tree 8b27e6675765150c14f4842e342618242c1761de	utils