[LAU] What does period_size mean in dmix parameters?

Is it bytes per period or frames per period?

https://www.alsa-project.org/alsa-doc/alsa-lib/pcm_plugins.html says it's
bytes per period.

aplay --dump-hw-param -D dmix /path/to/wav_file says it's frames per period.

Which one is right?

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Received on Sun Aug 11 12:15:01 2019