Date: Thu, 8 Apr 2004 14:59:50 +0200 From: "Karel J. Bosschaart" <karelj@kayjay.xs4all.nl> To: Mathew Kanner <mat@cnd.mcgill.ca> Cc: freebsd-multimedia@freebsd.org Subject: Re: UT2004 sound problem Message-ID: <20040408125950.GA94744@kayjay.xs4all.nl> In-Reply-To: <20040401150542.GG6187@cnd.mcgill.ca> References: <20040331171848.GA86712@kayjay.xs4all.nl> <20040331174206.GE6187@cnd.mcgill.ca> <20040401010159.GA87719@kayjay.xs4all.nl> <20040401141639.GF6187@cnd.mcgill.ca> <20040401145806.GA89990@kayjay.xs4all.nl> <20040401150542.GG6187@cnd.mcgill.ca>
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On Thu, Apr 01, 2004 at 10:05:42AM -0500, Mathew Kanner wrote: > On Apr 01, Karel J. Bosschaart wrote: > > > > > > > > Thanks for the quick reply! > > > > > > > > My sound devices: > > > > > > > > pcm0: <CMedia CMI8738> at io 0xa400 irq 10 (1p/1r/0v channels duplex default) > > > > pcm1: <Avance Logic ALS4000> at io 0xa000 irq 9 (1p/1r/0v channels duplex) > > > > > > > > Both sound cards have the same problem. > > > > > > > > > would suggest that you play with enabling, disabling vchans and see if > > > > > > > > I tried > > > > > > > > sysctl hw.snd.pcm0.vchans=4 > > > > sysctl hw.snd.maxautovchans=4 > > > > > > > > but it doesn't help. I'm getting a bunch of extra > > > > > > And setting them to 0? > > > > Isn't that the default value? Anyway, I tried it and the sound is still > > not good. (Only one 'native_blitbuffer: select error occured') > > It's a little weird. The default is > > Sound card with one output channel -> maxautovchans=1 > Sound card with multiple output channels -> maxautovchans=0 > > Can you also experiment with soft mixing, (I'm forgotting what > we actually call it), y'know auto-rate/format conversion. > I guess you mean hw.snd.report_soft_formats ? I tried 0 and 1, for both soundcards but the problems persists. Anyway I decided to give up for now, the trick with reboot/demo works for me. (playing in -current is not an option; sound is OK but framerate too low probably because I can't use the nvidia AGP driver there). Thanks for the help, at least I learned some new things about pcm! Karel.
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