040000 tree 50129d5d233910140dbd21df2eeb18e1f81211a6	decoder
040000 tree 560603073dd10343f70c41b4ad17811cb481a269	generic
040000 tree 84b454219759bbf70faf2c5bca7028264718abd7	proto
040000 tree f58c34e4a22039f1952ccfe9b3fec1120c39fec4	util