040000 tree 681be01998079f90c5d989481a94806453a246c2	decoder
040000 tree 8524170ce68463e7fbd02f98f344d3db1631bb02	generic
040000 tree 84b454219759bbf70faf2c5bca7028264718abd7	proto
040000 tree 5774ed8e62400dcff4f331a07983dc3eaf1b4ad1	util