RELENG_7 vchans broken Maestro

[Ariff Abdullah]

On Wed, 12 Dec 2007 22:33:47 +0100
Dominic Fandrey <LoN_Kamikaze at gmx.de> wrote:
> Since the switch to BETA4 (it might actually have happened earlier
> and I didn't recognize) vchans don't work properly anymore (for me).
> 
> Instead of hearing a second source there only gets a lot of noise
> mixed into the first audio stream.
>

Try changing AGG_MAXPLAYCH from 4 to 1
(around line 80, sys/dev/sound/pci/maestro.c).

> # uname -a
> FreeBSD homeKamikaze.norad 7.0-BETA4 FreeBSD 7.0-BETA4 #0: Wed Dec
> 12 01:30:18 CET 2007
> root at homeKamikaze.norad:/usr/obj/VECTRA-7/i386/usr/src/sys/VECTRA-7 
> i386
> 
> # cat /dev/sndstat
> FreeBSD Audio Driver (newpcm: 32bit 2007061600/i386)
> Installed devices:
> pcm0: <ESS Technology Maestro-2E> port 0x5400-0x54ff irq 11 at
> device 11.0 on pci2 [MPSAFE] (4p:1v/1r:1v channels duplex default)
> 
> # sysctl -a | grep vchan
> hw.snd.maxautovchans: 8
> dev.pcm.0.play.vchans: 1
> dev.pcm.0.play.vchanrate: 48000
> dev.pcm.0.play.vchanformat: s16le
> dev.pcm.0.rec.vchans: 1
> dev.pcm.0.rec.vchanrate: 48000
> dev.pcm.0.rec.vchanformat: s16le
>

--
Ariff Abdullah
FreeBSD

... Recording in stereo is obviously too advanced
    and confusing for us idiot ***** users :P ........
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