cvs commit: src/sys/dev/sound/pcm dsp.c

Kevin Oberman oberman at es.net
Tue Jan 3 15:28:47 PST 2006


> From: Ariff Abdullah <ariff at FreeBSD.org>
> Date: Fri, 30 Dec 2005 07:33:28 +0000 (UTC)
> Sender: owner-cvs-all at freebsd.org
> 
> ariff       2005-12-30 07:33:28 UTC
> 
>   FreeBSD src repository
> 
>   Modified files:
>     sys/dev/sound/pcm    dsp.c 
>   Log:
>   Disable frantic DMA update within few SNDCTL_DSP_* ioctl.
>   This should reduce huge playback / recording latency for
>   applications that try to act smarter and manage their own
>   buffering (XMMS, Skype, etc.).
>   
>   Note to Skype + via8xxx users: Remove previous hackish
>   "hint.pcm.<unit>.via_dxs_disabled" from kernel hint and see
>   whether this changes cure all those annoying sound issues.

Thank you!!! 

This has annoyed me for as long as I have been running FreeBSD and used
XMMS and GnomeMeeting! (Though apparently not enough for me to fix it
myself.) Both now work like they are supposed to. XMMS was just an
annoyance, but it was a real problem with GnomeMeeting.

Thanks to all of your work, audio is now working better than ever before.
-- 
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman at es.net			Phone: +1 510 486-8634


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