040000 tree 46aa1f4e6a1b63d81a4d538003a291e10cd5e469	decoder
040000 tree 8524170ce68463e7fbd02f98f344d3db1631bb02	generic
040000 tree 84b454219759bbf70faf2c5bca7028264718abd7	proto
040000 tree b2755f15e955c3c04214786c284a607467a8b768	util