Date: Thu, 18 Dec 2003 17:09:41 -0500 From: Munish Chopra <chopra@soulwax.net> To: freebsd-current@freebsd.org Subject: Re: audio lag in 5.2-Beta (card emu10k1) Message-ID: <20031218220941.GC4255@opiate.soulwax.net> In-Reply-To: <3FE21E99.1010803@bis.midco.net> References: <20031212165822.GC48271@opiate.soulwax.net> <brct7i$1b6$1@sea.gmane.org> <20031212190956.GA83087@opiate.soulwax.net> <20031217224800.GB41308@xor.obsecurity.org> <20031218031512.GA628@opiate.soulwax.net> <20031218034220.GA2107@opiate.soulwax.net> <20031218035143.GB2107@opiate.soulwax.net> <20031218044752.GF85297@cnd.mcgill.ca> <20031218051221.GC2107@opiate.soulwax.net> <3FE21E99.1010803@bis.midco.net>
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On 2003-12-18 15:39 +0000, Peter Schultz wrote: > Munish Chopra wrote: > >On 2003-12-17 23:47 +0000, Mathew Kanner wrote: > > > >>On Dec 17, Munish Chopra wrote: > >> > >>>Embarrassingly enough another reply to myself, but I didn't think I'd > >>>find it this quickly. Reverting to revision 1.88 of channel.c fixed > >>>things right up (also 1.20 of buffer.c and 1.7 of buffer.h). No more > >>>lag. > >>> > >>>Revision 1.89 of channel.c attempted to make really short sounds > >>>actually play. Looks like buffer issues. > >> > >> Munish, > >> Does this only fix the amount of time it takes to seek in > >>mplayer or xmms, or to start a track? > >> --Mat > > > > > >Yes, reverting fixes seek/startup time. > > > >If you're concerned about the popping noises, I switched soundcards to > >an old SB PCI128 I had lying around (some form of Ensoniq chipset), and > >I don't seem to have them anymore. I had several identical SB16's > >around, every single one of them had clearly audible popping > >noises. > > > >Your patch in kern/59208 *did* seem to lessen the popping noises on the > >SB16 cards significantly, though it didn't remove them completely. > > > > Is there anything more one can do to help narrow this problem down? > I've never tried profiling before, would it be helpful in this situation? > I'm not sure. After approximately a full day I noticed a few popping noises even with the new soundcard, but they're very rare in comparison to before. I'm going to apply the patch in kern/59208 while running with revision 1.88 of channel.c for a day or two and see if that doesn't somehow fix the popping. -- Munish Chopra
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