040000 tree ccf2090ddff81a16f7b0952c6f3856405fcc96af	decoder
040000 tree 27c46c65ca4ccdcdab9c59e7d150fc3e9543d304	generic
040000 tree 84b454219759bbf70faf2c5bca7028264718abd7	proto
040000 tree d05f7a85e87a38e63d5c7764593aa05e26015adb	util