From: Raymond Yau <superquad.vortex2@gmail.com>
To: ALSA Development Mailing List <alsa-devel@alsa-project.org>
Subject: Re: Which project to choose?
Date: Fri, 23 Jul 2010 19:51:04 +0800 [thread overview]
Message-ID: <AANLkTikEBSvGFdRPSq+YxRWHfxMWx_5LBxAALAUaMicQ@mail.gmail.com> (raw)
In-Reply-To: <4C3DD271.6040003@epost.diwic.se>
2010/7/14 David Henningsson <launchpad.web@epost.diwic.se>
> 2010-07-14 13:13, Raymond Yau skrev:
>
> > localhost pulseaudio[24553]: alsa-util.c: appl_ptr : 735801008
> > localhost pulseaudio[24553]: 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[24553]: alsa-util.c: rate : 44100
localhost pulseaudio[24553]: alsa-util.c: exact rate : 44101
(1445100000/32768)
prev parent reply other threads:[~2010-07-23 11:51 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-13 23:02 Which project to choose? Chris
2010-07-13 23:26 ` Raymond Yau
2010-07-14 0:01 ` Chris
2010-07-14 1:20 ` Raymond Yau
2010-07-14 1:31 ` Chris
[not found] ` <AANLkTimNSRELBq7i1Ypi9K2tmFu9NKLvQAOOqPwuU13x@mail.gmail.com>
[not found] ` <1279074303.29042.3.camel@localhost.localdomain>
2010-07-14 12:23 ` Raymond Yau
2010-07-14 22:15 ` Chris
2010-07-15 0:08 ` Raymond Yau
2010-07-15 1:38 ` Chris
2010-07-15 12:58 ` Colin Guthrie
2010-07-15 14:07 ` Jaroslav Kysela
2010-07-15 22:54 ` Chris
2010-07-15 23:15 ` Raymond Yau
2010-07-16 0:24 ` Chris
2010-07-16 5:32 ` Jaroslav Kysela
2010-07-16 1:19 ` Chris
2010-07-16 5:40 ` Jaroslav Kysela
2010-07-17 0:22 ` Raymond Yau
2010-07-15 22:02 ` Raymond Yau
2010-07-19 1:44 ` Raymond Yau
2010-07-19 2:56 ` Chris
2010-07-19 6:35 ` Raymond Yau
2010-07-19 7:53 ` Colin Guthrie
2010-07-19 22:52 ` Chris
2010-07-20 1:23 ` Raymond Yau
2010-07-20 2:13 ` Chris
2010-07-20 11:41 ` Raymond Yau
2010-07-20 22:19 ` Chris
2010-07-21 8:17 ` Raymond Yau
2010-07-21 22:57 ` Chris
2010-07-22 0:33 ` Raymond Yau
2010-07-22 1:07 ` Chris
[not found] ` <AANLkTim7iY_w96CPkVIlyB7Z9NGWUIvX2wKwvgu4wdjn@mail.gmail.com>
[not found] ` <1279766127.7841.11.camel@localhost.localdomain>
[not found] ` <AANLkTim_FkOXlYihEQikJ8Vpo5zXreCdqQnDW3acsrAu@mail.gmail.com>
[not found] ` <1279797682.7841.15.camel@localhost.localdomain>
2010-07-22 11:42 ` Raymond Yau
2010-07-20 22:49 ` Chris
2010-07-24 3:51 ` Raymond Yau
2010-07-25 14:14 ` Colin Guthrie
2010-07-26 5:53 ` Raymond Yau
2010-07-26 8:09 ` Raymond Yau
2010-07-15 13:08 ` Raymond Yau
2010-07-14 22:32 ` Raymond Yau
2010-07-14 22:58 ` Chris
2010-07-14 11:13 ` Raymond Yau
2010-07-14 15:06 ` David Henningsson
2010-07-14 15:25 ` Jaroslav Kysela
2010-07-14 19:45 ` David Henningsson
2010-07-14 22:13 ` Jaroslav Kysela
2010-07-16 0:39 ` Raymond Yau
2010-07-16 1:30 ` Raymond Yau
2010-07-15 0:52 ` Raymond Yau
2010-07-23 11:51 ` Raymond Yau [this message]
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