[pulseaudio-discuss] [PATCH] alsa: reset watermark to initial values on resume

[David Henningsson]

On 10/10/2011 10:55 PM, Pierre-Louis Bossart wrote:
>> If the RT prio stuff is working the way it should, there shouldn't be
>> underruns (on the Pulse/ALSA side, not the client side) even if the
>> system load is high.
>
> I have never seen any issues when the processing is done inside the
> real-time thread (voice integration in Meego).
> The issue is that the main thread and the client aren't real-time, and they
> may not be able to provide data fast enough. Try with pa_cat -v
> --latency-time-ms=1 and you will see the latency increase due to underflows
> and changes in buffer sizes.

Eh, then I understand even less. If there is no problem in the RT thread 
and no underruns on the Pulse/ALSA side, then why is the watermark 
increasing in the first place?

-- 
David Henningsson, Canonical Ltd.
http://launchpad.net/~diwic