[pulseaudio-discuss] rewind and underrun issues on start of playback
baeksan at ccrma.stanford.edu
Tue May 3 11:09:56 PDT 2011
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
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.
On Tue, May 3, 2011 at 1:36 AM, Colin Guthrie <gmane at colin.guthr.ie> wrote:
> 'Twas brillig, and Baek Chang at 02/05/11 04:52 did gyre and gimble:
> > Also, if i revert to pulseaudio 0.9.14, i do not see this issue
> > happening. I can hear the very short samples in the beginning fine.
> I think generally that the rewinding should work, and that by reverting
> you are just bypassing a bug at (perhaps) the alsa level which should
> really be fixed.
> I suspect if you can create a (very simple) alsa test application that
> exhibits the problem (by using rewinds) then this can be taken to the
> alsa-devel list in order to fix the underlying problem.
> That's my take on it anyway, and I could of course be wrong!
> Colin Guthrie
> Day Job:
> Tribalogic Limited [http://www.tribalogic.net/]
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