[pulseaudio-discuss] rewind and underrun issues on start of playback

[Mark Brown]

On Tue, May 03, 2011 at 11:09:56AM -0700, Baek Chang wrote:
> I think you are correct in that there is an alsa bug.  It seems that
> pulseaudio 0.9.14 didn't exhibit this bug in the driver, but pulseaudio
> 0.9.22 does.
> It seems like the rewind is causing the driver to not have data in its first
> hw buffer, the dropout in the beginning is a hw buffer size.

I frequently recommend PulseAudio as a test suite for driver DMA
implementations :)