Date: Fri, 04 Nov 2005 12:28:08 -0700 (MST) From: Warner Losh <imp@bsdimp.com> To: skywizard@MyBSD.org.my Cc: multimedia@freebsd.org Subject: Re: Sound driver weirdness Message-ID: <20051104.122808.104060873.imp@bsdimp.com> In-Reply-To: <20051105032008.384323ac.skywizard@MyBSD.org.my> References: <20051105023834.5da2a41b.skywizard@MyBSD.org.my> <20051104.114748.71117327.imp@bsdimp.com> <20051105032008.384323ac.skywizard@MyBSD.org.my>
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> > % fstat | grep dps > "dsp" Same results. > > Why are my vchans disabled, what does that mean and what can I do > > about it? > That means at most, only single process (sound apps) can acquire the > sound device (vchans = virtual channels). > 1) Try enabling vchans by increasing the value of both > hw.snd.maxautovchans and hw.snd.pcm0.vchans (4 is a good start). > After that, you probably need to reduce the value of > hw.snd.pcm0.vchanrate to 44100 (only if necessary). same results. > 2) Try to use other 'simpler' apps, such as mpg321 cat > /dev/dsp gives the same results: cat > /dev/dsp /dev/dsp: Operation not supported by device. > 3) hm.. I don't think my recent commit against both dsp.c/mixer.c > cause this problem (maybe?). Note that there was also a commit by > DES, so you probably need to back off dsp.c down to rev. 1.85 I'll have to give that a spin... Warner
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