[alsa-devel] Question to sophisticated alsa developer

Andreas Bießmann biessmann at corscience.de
Wed Aug 5 16:02:07 CEST 2009

Hi Jon,

Jon Smirl schrieb:
> When the last sample plays it generates an interrupt. ALSA sends a
> STOP back after this interrupt. But the audio hardware continues
> playing between this interrupt and receiving the STOP. Since the last
> valid sample generated the interrupt, the hardware is playing garbage
> (stale data) while waiting on the STOP. Probably  500us worth of stale
> data.,

This sounds correct an I will investigate this. But I wonder why the
stale data does not appear when I use aplay without dmix layer. Have you
some explanation for this?


Andreas Bießmann

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