[pulseaudio-discuss] PulseSink Properties
bossart.nospam at gmail.com
Thu Jul 28 11:34:08 PDT 2011
On Wed, Jul 27, 2011 at 12:55 AM, Vallabha Hampiholi
<vallabha.pa at googlemail.com> wrote:
> We are now running PA with high resolution timers enabled in the kernel.
> Yet I still can hear the audio glitches.
> Attached are new traces.
I: alsa-sink.c: Using 16.0 fragments of size 8192 bytes (46.44ms),
buffer size is 131072 bytes (743.04ms)
I: alsa-sink.c: Time scheduling watermark is 20.00ms
This seems really wrong. If you are using timer-based scheduling,
looks like you are setting a very small ALSA period size for no good
reason. Try using 2 fragments in daemon.conf to reduce the number of
Try also using frace and pytimechart (available on gitorious) to
figure out what is going on in your system, there's nothing like a
visual representation of thread activity to understand possible
overhead or the reason for wakes/underflows.
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