[pulseaudio-discuss] PulseAudio and OpenAL games: AL lib: pulseaudio.c:331: PulseAudio returned minreq > tlength/2; expect break up

Raymond Yau superquad.vortex2 at gmail.com
Wed Sep 17 19:14:17 PDT 2014


> > >
> > > Any solution for this?
> > >
> > > When playing PlaneShift through Pulseaudio while PlaneShift is setup
to
> > > use
> > > OpenAL as sound renderer  I get:
> > >
> > > AL lib: pulseaudio.c:331: PulseAudio returned minreq > tlength/2;
expect
> > > break up
> > >
> > > and well badly stuttering sound.
> >
> > I'm not very familiar with OpenAL, and a quick look through the source
> > (in Ubuntu 14.04) did not show any such warning message.
> >
> > So I'm not sure what that warning means, and if the error is in OpenAL
> > or in PulseAudio.
> >
> > In theory, any application should be able deal with big minreqs and
> > tlengths. In practice I know we've had issues with tlengths increasing
> > gradually in the past, and I'm not sure all those issues have been root
> > caused.
>
> Thanks for looking into this.
>
> I tried PlaneShift without PulseAudio but with setting:
>
> device = default:CARD=Pebbles
>
> into /etc/openal/alsoft.conf

This mean you have customized pcm.default or still using old version of
alsa lib

http://git.alsa-project.org/?p=alsa-lib.git;a=commitdiff;h=e6f990e5c9be5cac6f36924d20a75d0f69d27297;hp=e2c2262403c5639c7ff96f47a43682ff16b7ae4f
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