Re: [linux-audio-user] alsa-lib-0.9.0rc8a --with-jack

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Subject: Re: [linux-audio-user] alsa-lib-0.9.0rc8a --with-jack
From: Maarten de Boer (mdeboer_AT_iua.upf.es)
Date: Thu Mar 06 2003 - 15:11:14 EET

On Thu, 6 Mar 2003 12:47:45 +0100
Raoul Bönisch <jkl345_AT_gmx.net> wrote:

> * anton <addon_AT_blueyonder.co.uk> [2003-03-04 19:26]:
> > > ./configure --with-jack
>
> What does --with-jack do? Does it just compile the jack pcm

Yes, the pcm_jack plugin.

> And
> what can I do with the jack pcm? Is it possible to send the sound
> played on this device, for example with aplay, to the jackd? Is

Yes, and record from jackd, for example with arecord.

aplay and arecord are the only applications tested. But they _do_
work. you will need to configure the plugin like this: (in your
asound.conf)

pcm.jackplug {
        type plug
        slave { pcm "jack" }
}

pcm.jack {
        type jack
        playback_ports {
                0 alsa_pcm:playback_1
                1 alsa_pcm:playback_2
        }
        capture_ports {
                0 alsa_pcm:capture_1
                1 alsa_pcm:capture_2
        }
}

now, you can aplay -Djackplug

Maarten

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