From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joern Nettingsmeier Subject: Re: [Alsa-devel] sblive 4ch output w/ jack - asoundrc magic? Date: Thu, 05 Feb 2004 20:10:12 +0100 Sender: jackit-devel-admin@lists.sourceforge.net Message-ID: <40229514.8000600@folkwang-hochschule.de> References: <40217B62.5020604@folkwang-hochschule.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: Errors-To: jackit-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Takashi Iwai Cc: "alsa-devel@lists.sourceforge.net" , jackit-devel List-Id: alsa-devel@alsa-project.org Takashi Iwai wrote: > At Thu, 05 Feb 2004 00:08:18 +0100, > Joern Nettingsmeier wrote: >=20 >>[crossposted to alsa-devel and jackit-devel] >> >>hi *! >> >>i'd like to use the rear outs of my sblive platinum with jack. >> >>the following works: >># aplay some.wav -Dfront & >># aplay someother.wav -Drear >>both signals end up at my mixer as expected, so it seems the devices=20 >>are independent. >> >>front is hw:0,0 which is a duplex device. >>rear is hw:0,3 and is playback only. >=20 > =20 > hmm? hw:0,3 isn't for the rear output... >=20 > there is already a standard definition for 4.0 output, "surround40". > so, something like below would be better: >=20 > ctl.jtest { > type hw > card 0 > } >=20 > 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 > } > } >=20 > and run jack with -d jtest -i 2 -o 6 options. you probably meant "-o 4", right? works like a charm so far, many thanks! jackd spits out a warning, though: ALSA lib pcm.c:1168:(snd_pcm_link) SNDRV_PCM_IOCTL_LINK failed:=20 Operation already in progress i'll play with it for a while, and then i'll send it to patrick for=20 inclusion in the alsa docs... time to play :-D j=F6rn --=20 "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 J=F6rn Nettingsmeier Kurf=FCrstenstr 49, 45138 Essen, Germany http://spunk.dnsalias.org (my server) http://www.linuxaudiodev.org (Linux Audio Developers) ------------------------------------------------------- The SF.Net email is sponsored by EclipseCon 2004 Premiere Conference on Open Tools Development and Integration See the breadth of Eclipse activity. February 3-5 in Anaheim, CA. http://www.eclipsecon.org/osdn