[alsa-devel] what is period_size, buffer_size and boundary size, i confuse them

l9jj l9jj at 163.com
Sun Dec 9 15:37:48 CET 2012

can anyone help me to figure out  the concepts between period_size ,buffer_size and boundary size?
n * period_size = buffer_size?
m * buffer_size = boundary_size?
and how the dma buffer mapped to the alsa buffer?

thank you .

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