Pulse Audio and Jack in Maverick

[Mike Holstein]

what are you guys finding useful about integrating pulse into JACK??

On Fri, Sep 3, 2010 at 10:16 PM, Takashi Sakamoto
<o-takashi at sakamocchi.jp>wrote:

> You can see this integration on http://ubuntustudio.org/LucidLynx as
> "Pulse Audio built against Jack is available".
>
> This integration is for lucid or later because "pulseaudio-module-jack"
> package is not released for karmic or latter refering to this URL,
> http://packages.ubuntu.com/lucid/pulseaudio-module-jack
>
> I'm a Japanese user of Ubuntu Studio and make some documents in Japanese
> community. Last week I make a document about this PulseAudio integration.
>
> https://wiki.ubuntulinux.jp/UbuntuStudioTips/Application/JACK-PulseAudio
>
> In this document. I suggest to use qjackctl option "Execute script after
> Setup" instead of config file. If you check this option and input two
> commands, you can get "PulseAudio against JACK", load this module just
> after JACK runnning.
>
> If you are interested, read it with web translation service like google
> or yahoo with plain text.
>
> Thks
>
>
> Takashi Sakamoto
> o-takashi at sakamocchi.jp
>
>
> (2010/09/04 08:15), ttoine at ttoine.net wrote:
> >
> >
> > Le 03/09/2010 23:11, Marc R.J. Brevoort a écrit :
> >> On Fri, 3 Sep 2010, ttoine at ttoine.net wrote:
> >>
> >>
> >>> I just saw in the Maverick beta wiki pages that in Ubuntu Studio
> >>> Maverick, some work has been done for better integration between
> >>> PulseAudio and Jackd. Is it available for vanilla Ubuntu too ?
> >>> If not, does this need to install a specific package, or is there a
> >>> tweak we can document for non "Studio" users? I ask that because I am
> >>> downloading Maverick beta at the moment, but not the Studio, the
> >>> standard one, with the aim to test and document that important point!
> >>>
> >> I've just set up a system that plays back pulseaudio over jack over
> >> ALSA on Lucid.
> >> The following are not step-by-step instructions but may help you
> >> get started.
> >>
> >> You'll need pulseaudio-module-jack, the regular set of
> >> jack util packages;
> >>
> >> ~/.asoundrc containing this:
> >> pcm.pulse {
> >>       type pulse
> >> }
> >> ctl.pulse {
> >>       type pulse
> >> }
> >> pcm.!default {
> >>       type pulse
> >> }
> >> ctl.!default {
> >>       type pulse
> >> }
> >>
> >> follow the recommendations that qjackctl gives you when trying to start
> >> it and failing;
> >>
> >> create two files,
> >>
> >> 1. ~/bin/jack.pa containing the following:
> >>
> >> #!/bin/bash
> >> # (two following lines matter most)
> >> pactl load-module module-jack-sink
> >> pactl load-module module-jack-source
> >>
> >> pactl load-module module-native-protocol-unix
> >> pactl load-module module-volume-restore
> >> pactl load-module module-default-device-restore
> >> pactl load-module module-rescue-streams
> >> pactl load-module module-suspend-on-idle
> >>
> >> 2. a file ~/bin/startjack containing this:
> >> #!/bin/bash
> >> /usr/bin/jackd -dalsa -dhw:0 -r44100 -p1024 -n2
> >>
> >> (which is the line shown by qjackctl after successful startup)
> >>
> >> give both file execute permissions;
> >>
> >> chmod +x ~/bin/*
> >>
> >> and add them as startup programs.
> >>
> >> re-login, in sound preferences set "Jack sink" as
> >> default audio device.
> >>
> >> Thus you'll have a system that (in theory) directs all its audio
> >> through JACK.
> >>
> >> One minor thing is that when starting qjackctl, pulseaudio is
> >> suspended, which is not ideal. As you're running the jack
> >> daemon as startup program, You'll also want to tell qjackctl
> >> not to terminate jack on exiting.
> >>
> >> I hope this is of some use to you even though terribly
> >> incomplete and written up from memory too so probably full
> >> of errors.
> >>
> >> Best,
> >> Marc
> >>
> >>
> > What would be better, would be to see in the audio/sound preferences a
> > "jackd" sound card, and manually choose it if necessary. This is not
> > always good to have all applications on jackd. And Pulse Audio will
> > remember this choice every time jackd is launched, as it does when you
> > plug an usb sound card.
> >
> > Will try that this week-end, or next week, and let you know. This is one
> > of the most important stuff, with firewire, for Maverick, imho.
> >
> > Toine
>
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-- 
MH
http://www.myspace.com/mikeholstein

http://opensourcemusician.libsyn.com/
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