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040000 tree fb6ebc4c9e896c90815ea003686632ff5e51be3a	dec
040000 tree 531d1466d7a8e7210a91b6fee4734c47688afa65	dsp
040000 tree 1cff728c1144da0f36a6b703f1dfc023b2407baf	enc
040000 tree c1cacbb78ac36da6b9ef0ad6e03262cbb6fef631	utils
040000 tree d850a90d859ccaf4ba2674b071b91ad5e19c84eb	wp2