From owner-cvs-all  Tue Nov 21  4:54:11 2000
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Message-ID: <3A1A7065.D6736214@elischer.org>
Date: Tue, 21 Nov 2000 04:53:57 -0800
From: Julian Elischer <julian@elischer.org>
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To: Maxim Sobolev <sobomax@FreeBSD.org>
Cc: Julian Elischer <julian@FreeBSD.org>, cvs-committers@FreeBSD.org,
	cvs-all@FreeBSD.org, cg@FreeBSD.org
Subject: Re: cvs commit: src/sys/dev/sound/pci maestro.c
References: <200011211222.EAA94291@freefall.freebsd.org> <3A1A6D8F.47F0F21E@FreeBSD.org>
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Maxim Sobolev wrote:
> 
> Julian Elischer wrote:
> 
> > julian      2000/11/21 04:22:12 PST
> >
> >   Modified files:
> >     sys/dev/sound/pci    maestro.c
> >   Log:
> >   Bump the buffersize from 0x1000 to 0x4000.
> >   0x1000 gets underflows on my dell 7500 whenever I moved the mouse.
> >   (reported as "hwptr went backwards...", with jumpy sound)
> >   Sounds great now....
> 
> I'm not sure it is a right solution for the problem. By increasing buffer size
> you are automatically worsening sound synchronization problem in video players,
> games and such, as they are often running with 22kHz/8bit/mono sound while
> FreeBSD pcm driver doesn't provide a way for the app to discover current state
> of that buffer, so usually apps have nothing to do but to keep this buffer
> filled all the time, hoping that it's small enough to mask this delay.
> 
> The proper solution would be to fix fu^H^Hboring entropy harvester.

is that'as what's doing it? It seems to be related to my moving the
mouse.

As for syncing, maybe we can add something in the ABI that allows
syncing?


> 
> -Maxim

-- 
      __--_|\  Julian Elischer
     /       \ julian@elischer.org
    (   OZ    ) World tour 2000
---> X_.---._/  presently in:  Budapest
            v


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