[alsa-devel] Which project to choose?
superquad.vortex2 at gmail.com
Fri Jul 23 13:51:04 CEST 2010
2010/7/14 David Henningsson <launchpad.web at epost.diwic.se>
> 2010-07-14 13:13, Raymond Yau skrev:
> > localhost pulseaudio: alsa-util.c: appl_ptr : 735801008
> > localhost pulseaudio: alsa-util.c: hw_ptr : 735846184
> > This is underrun as you can see appl_ptr is behing hw_ptr
> Ehm, isn't that a ring buffer? I e, there is nothing wrong with appl_ptr
> being less than hw_ptr.
> > However PA server had disabled the underrun detection.
> Please clarify. If you're talking about my patch (disable underruns in
> alsa-plugins) here, it has nothing to do with this situation (PA
> complaining about its back-end).
> The situation above probably isn't even an underrun.
The other possible reason may be PA did not handle clock drifting properly
how did PA calculate the sleeping time using 44100 or 1445100000/32768 ? ,
ens1371 's clock is running faster than the system clock
localhost pulseaudio: alsa-util.c: rate : 44100
localhost pulseaudio: alsa-util.c: exact rate : 44101
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