040000 tree 29632b831607a1ccc0f816805251fb6a4667c80f	aaudio
040000 tree 8204bc972d1d2b472647b7f3b414de68df813069	common
040000 tree 93f455550175dea327c72901637d5a2d5429dac2	fifo
040000 tree a0f9d09b5ed974fc26328cd4469b3f7e91bf7f6c	opensles