[pulseaudio-discuss] Controlling alsa and pulseaudio buffer size?

Kurt Taylor kurt.taylor at linaro.org
Wed Sep 14 16:30:42 PDT 2011


On 14 September 2011 16:25, Raymond Toy <rtoy at google.com> wrote:

> In my application, I'm using alsa to set a particular buffer size.  Alsa
> usually complies, but from everything that I can tell, pulse audio is using
> some other fragment size.  This other fragment size also seems to be the
> time betwen interrupts which my application sees.  This messes up my
> application because it wants the interrupts at regular intervals based on
> the buffer size I set.
>
> Is there some way to make alsa and pulseaudio agree on the size?
>

It is possible to turn off the ALSA period wakes in tschedule mode on some
hardware. This would allow pulseaudio to manage it.

See this thread:
http://lists.freedesktop.org/archives/pulseaudio-discuss/2011-January/008638.html



>
> Ray
>
>
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> pulseaudio-discuss at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss
>
>


-- 

Kurt Taylor (irc krtaylor)
Linaro Multimedia Team Lead
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