040000 tree 65990f2b8c606bb9159626d2e25a8a91fba2afbd	decoder
040000 tree 467f8ab212a1023a258c7f01cc11a579aa613232	generic
040000 tree 84b454219759bbf70faf2c5bca7028264718abd7	proto
040000 tree 6babbbb60d1e6e77154c87b86e6758eb250ee1fa	util