[pulseaudio-discuss] Glitch-Free Mode

[Vallabha Hampiholi]

Hello Pierre,

I have not tweaked around with the daemon conf file. The fragments and its
size are set to 4 and 25ms respectively.

So what does "your hardware cannot handle longer periods" mean?  Would this
mean I would encounter the issue even if I updated the ALSA driver?

Please suggest the ALSA driver version that I should be using.

Thanks a lot for your valuable feedback.

-Rgds
Vallabha

On Mon, Aug 1, 2011 at 8:42 PM, pl bossart <bossart.nospam at gmail.com> wrote:

> > I: alsa-sink.c: Using 16.0 fragments of size 8192 bytes (46.44ms), buffer
> > I: alsa-sink.c: Time scheduling watermark is 20.00ms
>
> I indicated last week that this setting is not ok.
> Either you are setting the number of fragments to a ridiculously high
> value in daemon.conf, or your hardware cannot handle longer periods.
> Either way, you will end-up with an audio interrupt rate that is
> inconsistent with the latency settings you have specified; a ~5s
> latency isn't going to help at all if the alsa interrupts occur every
> 46ms.
> I know that the OMAP drivers were updated to remove these ALSA
> interrupts completely (need kernel 2.6.38+), this is something you may
> want to look into to remove audio wakes
> -Pierre
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