040000 tree 7268c00cfef8140c5533144c6840f4179a18ee4d	decoder
040000 tree 33e4be68b06b31452a3a96f79c48b9a7dbf87bb8	generic
040000 tree 84b454219759bbf70faf2c5bca7028264718abd7	proto
040000 tree 7c77b446a98df39bb53f6b5652e4e75b2a491d97	util