Re: sblive 4ch output w/ jack - asoundrc magic?

[Joern Nettingsmeier <nettings@folkwang-hochschule.de>]

takashi, many thanks for your helpful reply. i'm enjoying 
four-channel output with jack now :-D

i have added your .asound hint to

http://alsa.opensrc.org/index.php?page=SurroundSound

in the hope that other folks will find it useful.


best regards,

jo"rn

Takashi Iwai wrote:
> At Thu, 05 Feb 2004 00:08:18 +0100,
> Joern Nettingsmeier wrote:
> 
>>[crossposted to alsa-devel and jackit-devel]
>>
>>hi *!
>>
>>i'd like to use the rear outs of my sblive platinum with jack.
 >
> there is already a standard definition for 4.0 output, "surround40".
> so, something like below would be better:
> 
> 	ctl.jtest {
> 		type hw
> 		card 0
> 	}
> 
> 	pcm.jtest {
> 		type asym
> 		playback.pcm {
> 			# route for mmap workaround
> 			type route
> 			slave.pcm surround40
> 			ttable.0.0 1
> 			ttable.1.1 1
> 			ttable.2.2 1
> 			ttable.3.3 1
> 		}
> 		capture.pcm {
> 			# 2 channels only
> 			type hw
> 			card 0
> 		}
> 	}
> 
> and run jack with -d jtest -i 2 -o 6 options.
> 
> 
> Takashi

-- 
"I never use EQ, never, never, never. I previously used to use mic
positioning but I've even given up on that too."
	- Jezar on http://www.audiomelody.com


Jo"rn Nettingsmeier
Kurfu"rstenstr 49, 45138 Essen, Germany
http://spunk.dnsalias.org (my server)
http://www.linuxaudiodev.org (Linux Audio Developers)





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