[alsa-devel] Alsa timing question

Raymond Toy rtoy at google.com
Mon Aug 29 22:24:14 CEST 2011

In theory, when the device is configured for a specific period size, its
> interrupts (and therefore the application wakeups) will arrive spaced at
> this interval (modulo any scheduling delays).
> However, if you're using the dmix plugin, the period size of your
> application's device will not necessarily be identical with the period
> size of the hardware device.  To see the actual period size, look into
> /proc/asound/card?/pcm0p/sub0/hw_params.

Would dmix allow me to control this better than pulse audio? (I'm still
looking into how to get pulse audio to do what I want.)


More information about the Alsa-devel mailing list