[PD] Freezes with Pd-Extended and Jack

Ivica Ico Bukvic ico at vt.edu
Sun Nov 25 07:56:18 CET 2012


Is this the same as the one in the doc/3.audio.examples? If so, why this 
instead of ezoutput~.pd already provided by pddp?

FWIW, I believe less is more and having multiple redundant abstractions 
available makes both pd use and maintenance harder.

On 11/25/2012 12:19 AM, Hans-Christoph Steiner wrote:
> output~.pd is an abstraction included in pd/extra/ Pd-extended.
>
> .hc
>
> On 11/24/2012 11:32 PM, Ivica Ico Bukvic wrote:
>> Scope~ and envgen work just fine here. Can you report what is broken with
>> them? As for output~, I am not even sure what library is this a part of since
>> I don't use it. Since pd-l2ork by default does not load all libraries, you
>> need to explicitly call the object by its folder/lib, e.g. <libname>/output~
>>
>> On 11/24/2012 09:16 PM, Esteban Viveros wrote:
>>> It would be amazing if Pd-extended 0.43 is put to work with jack... *.*
>>>
>>> Pd-L2Ork can't suply my expectations..
>>>
>>> objects like [output~]  [Scope~]  [envgen]  don't work on the L2Ork version
>>> here..
>>>
>>> My last chance would be pd-extended 0.43...
>>>
>>>
>>> 2012/11/24 Hans-Christoph Steiner <hans at at.or.at <mailto:hans at at.or.at>>
>>>
>>>
>>>      If someone can point me to the commit that fixes this, I'm happy
>>>      to include it in Pd-extended 0.43.  I just never use Jack, so I
>>>      don't know what's what.  Things work in my basic tests.
>>>
>>>      I know that Miller changed this stuff in pure-data.git.
>>>
>>>      .hc
>>>
>>>      On Nov 24, 2012, at 5:58 PM, Gerhard Lang wrote:
>>>
>>>      > Tx Ivica and Esteban,
>>>      > as similarly afflicted user encouraged by this thread I followed
>>>      this  recommendation, replaced pd and pd-extended with pd-l2ork.
>>>      > Works flawlessly together with jack 1.9.9-test5 from kx-studio
>>>      ppa, dsp is switchable, some other bugs are gone, my patches run :D
>>>      > You made my day and now I'm going to learn more about L2ork.
>>>      > Gerhard
>>>      >
>>>      > Am 24.11.2012 17:35, schrieb Ivica Bukvic:
>>>      >>
>>>      >> With 1.9.8 and pd-l2ork all your problems will be solved except
>>>      for the one caused by jack which in your case should not be a
>>>      problem unless you physically disconnect (accidentally our
>>>      otherwise) your audio hardware while jack is running.
>>>      >>
>>>      >> On Nov 24, 2012 7:44 AM, "Esteban Viveros" <emviveros at gmail.com
>>>      <mailto:emviveros at gmail.com> <mailto:emviveros at gmail.com
>>>      <mailto:emviveros at gmail.com>>> wrote:
>>>      >>
>>>      >>    HUm... Ok... I will try!
>>>      >>
>>>      >>    But what the better? Jack 1.9.8 or 1.9.9?
>>>      >>
>>>      >>
>>>      >>    2012/11/24 Ivica Bukvic <ico at vt.edu <mailto:ico at vt.edu>
>>>      <mailto:ico at vt.edu <mailto:ico at vt.edu>>>
>>>      >>
>>>      >>        That is the regression I spoke of in pd 0.43 branch. Try
>>>      >>        pd-l2ork...
>>>      >>
>>>      >>        On Nov 23, 2012 9:27 PM, "Esteban Viveros"
>>>      >>        <emviveros at gmail.com <mailto:emviveros at gmail.com>
>>>      <mailto:emviveros at gmail.com <mailto:emviveros at gmail.com>>> wrote:
>>>      >>
>>>      >>            Ops...  I did a better test, and doing first open Pd and
>>>      >>            then I open Jack. Now The DSP function work well, but I
>>>      >>            don't have sound...
>>>      >>
>>>      >>            On messages box I have:
>>>      >>
>>>      >>            00:18:26.321 Patchbay deactivated.
>>>      >>
>>>      >>            00:18:26.373 Statistics reset.
>>>      >>
>>>      >>            00:18:26.388 ALSA connection change.
>>>      >>
>>>      >>            00:18:26.440 JACK connection change.
>>>      >>
>>>      >>            00:18:26.467 Client activated.
>>>      >>
>>>      >>            00:18:52.992 JACK connection graph change.
>>>      >>
>>>      >>            00:18:53.134 JACK connection change.
>>>      >>
>>>      >>            00:19:38.102 Client deactivated.
>>>      >>
>>>      >>            00:19:38.103 Post-shutdown script...
>>>      >>
>>>      >>            00:19:38.103 dreamstudio-restart-pulseaudio
>>>      >>
>>>      >>            # making sure pulseaudio will restart if it crashes
>>>      >>
>>>      >>            # starting pulseaudio
>>>      >>
>>>      >>            # connecting pulseaudio to JACK
>>>      >>
>>>      >>            Falha: A inicialização do módulo falhou
>>>      >>
>>>      >>            Falha: A inicialização do módulo falhou
>>>      >>
>>>      >>            00:19:41.798 Post-shutdown script terminated with exit
>>>      >>            status=256.
>>>      >>
>>>      >>            00:19:44.297 JACK connection change.
>>>      >>
>>>      >>            00:19:44.311 Client activated.
>>>      >>
>>>      >>            00:20:38.543 JACK connection graph change.
>>>      >>
>>>      >>            00:20:38.693 JACK connection change.
>>>      >>
>>>      >>            00:20:42.648 ALSA connection graph change.
>>>      >>
>>>      >>            00:20:42.708 ALSA connection change.
>>>      >>
>>>      >>            00:20:42.709 ALSA connection graph change.
>>>      >>
>>>      >>            00:20:42.910 ALSA connection change.
>>>      >>
>>>      >>            00:20:45.334 JACK connection graph change.
>>>      >>
>>>      >>            00:20:45.514 JACK connection change.
>>>      >>
>>>      >>            00:20:52.993 JACK connection graph change.
>>>      >>
>>>      >>            00:20:53.014 Buffer size change (64).
>>>      >>
>>>      >>
>>>      >>            What can I do now?
>>>      >>
>>>      >>
>>>      >>
>>>      >>            2012/11/23 Esteban Viveros <emviveros at gmail.com
>>>      <mailto:emviveros at gmail.com>
>>>      >>            <mailto:emviveros at gmail.com
>>>      <mailto:emviveros at gmail.com>>>
>>>      >>
>>>      >>                Hmmm... I can understand now...
>>>      >>
>>>      >>                Well.. I tried now the version of Jack on kxstudio
>>>      >>                testing ppa
>>>      >>
>>> <https://launchpad.net/%7Ekxstudio-team/+archive/testing>
>>>      >>                and the problem is the same... :(
>>>      >>
>>>      >>                This ppa was install jack2, jackd and jackdfirewire
>>>      >>                packages on version 1.9.9  but the package
>>>      >>                libjack-jack2.0 is mantained on version 1.9.8
>>>      >>
>>>      >>                The next step will be to compile jack packages on
>>>      >>                version 1.9.9
>>>      >>
>>>      >>                Ivica, or anyone, you have some information how
>>>      can I
>>>      >>                compile that? For that I need some help.
>>>      >>
>>>      >>                Regards
>>>      >>
>>>      >>
>>>      >>                2012/11/23 Ivica Ico Bukvic <ico at vt.edu
>>>      <mailto:ico at vt.edu>
>>>      >>                <mailto:ico at vt.edu <mailto:ico at vt.edu>>>
>>>      >>
>>>      >>                    See below (from the linux-audio-user list):
>>>      >>
>>>      >>                    Re: [LAU] question about jackdmp's ability to
>>>      >>                    detect its soundcard has disconnected
>>>      >>
>>>      >>                    Could this be the difference between 1.9.8
>>>      and git
>>>      >>                    version?
>>>      >>
>>>      >>                    On Oct 29, 2012 12:10 PM, "Robin Gareus"
>>>      >>                    <robin at gareus.org <mailto:robin at gareus.org>
>>>      <mailto:robin at gareus.org <mailto:robin at gareus.org>>> wrote:
>>>      >>
>>>      >>                    On 10/29/2012 03:55 PM, Ivica Ico Bukvic wrote:
>>>      >>                    > All,
>>>      >>                    >
>>>      >>                    > I noticed since upgrading to Ubuntu 12.04 that
>>>      >>                    the default Jack server is
>>>      >>                    > jackdmp (v.1.9.8). Please correct me if I am
>>>      >>                    wrong but my understanding this
>>>      >>                    > is the smp-enabled version 2 that is being
>>>      >>                    developed in parallel with 1.x
>>>      >>                    > series of regular jack.
>>>      >>
>>>      >>                    correct. They are also API and ABI compatible.
>>>      >>
>>>      >>                    > Either way, one of my concerns is that
>>>      while in
>>>      >>                    the old jack when one
>>>      >>                    > accidentally pulled the soundcard jack was
>>>      >>                    trying to talk to (e.g. a USB
>>>      >>                    > soundcard), the jack would gracefully stop.
>>>      >>
>>>      >>                    In my experience it stopped but never gracefully
>>>      >>                    (ie it crashed). but
>>>      >>                    it's been a while since I used jack1.
>>>      >>
>>>      >>                    > The new version (and this could
>>>      >>                    > be Ubuntu quirk) instead of stopping is pegged
>>>      >>                    in some kind of a spinlock
>>>      >>                    > that often times locks up the machine
>>>      (this may
>>>      >>                    be in part since I am
>>>      >>                    > running a lowlatency kernel with audio group
>>>      >>                    given priority) and at times
>>>      >>                    > keeps it operational while hogging the cpu and
>>>      >>                    making the computer barely
>>>      >>                    > responsive until jackd is killed. Apps
>>>      connected
>>>      >>                    to jack that I tested so
>>>      >>                    > far are also stuck in a loop waiting for a
>>>      >>                    response from jack (although this
>>>      >>                    > could be the app's shortcoming)--jack never
>>>      >>                    broadcasts a signal that it has
>>>      >>                    > lost the soundcard (AFAICT). FWIW I am running
>>>      >>                    jackdmp through qjackctl...
>>>      >>                    > Any thoughts on this matter would be most
>>>      >>                    appreciated.
>>>      >>                    >
>>>      >>
>>>      >>                    I can't reproduce this. jack2 stops the backend
>>>      >>                    when the device is
>>>      >>                    disconnected. You can switch to a new backend
>>>      >>                    using jack_control
>>>      >>                    (sending some Dbus messages to jackd) without
>>>      >>                    re-starting jackd. No CPU
>>>      >>                    hogging here. - I'm running jack2 - aka 1.9.9.4
>>>      >>                    from git.
>>>      >>
>>>      >>                    robin
>>>      >>
>>>      >>
>>>      >>
>>>      >>
>>>      >>                --
>>>      >>                Esteban Viveros
>>>      >>
>>>      >>                (27) 8815 7170
>>>      >>                (27) 3066 0359
>>>      >>                (11) 95761 4125
>>>      >>                (11) 2738 7868
>>>      >>
>>>      >> www.bandpage.com/estebanviveros
>>>      <http://www.bandpage.com/estebanviveros>
>>>      >>                <http://soundcloud.com/estebanviveros>
>>>      >>
>>>      >> https://www.facebook.com/estebanviveros.art
>>>      >>
>>>      >> http://www.papodecompositor-es.blogspot.com.br/
>>>      >>
>>>      >> http://expurgacao.art.br/
>>>      >>
>>>      >>
>>>      >>
>>>      >>
>>>      >>
>>>      >>            --
>>>      >>            Esteban Viveros
>>>      >>
>>>      >>            (27) 8815 7170
>>>      >>            (27) 3066 0359
>>>      >>            (11) 95761 4125
>>>      >>            (11) 2738 7868
>>>      >>
>>>      >> www.bandpage.com/estebanviveros
>>>      <http://www.bandpage.com/estebanviveros>
>>>      >>            <http://soundcloud.com/estebanviveros>
>>>      >>
>>>      >> https://www.facebook.com/estebanviveros.art
>>>      >>
>>>      >> http://www.papodecompositor-es.blogspot.com.br/
>>>      >>
>>>      >> http://expurgacao.art.br/
>>>      >>
>>>      >>
>>>      >>
>>>      >>  _______________________________________________
>>>      >> Pd-list at iem.at <mailto:Pd-list at iem.at> <mailto:Pd-list at iem.at
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>>>      >>
>>>      >>
>>>      >>    --
>>>      >>    Esteban Viveros
>>>      >>
>>>      >>    (27) 8815 7170
>>>      >>    (27) 3066 0359
>>>      >>    (11) 95761 4125
>>>      >>    (11) 2738 7868
>>>      >>
>>>      >> www.bandpage.com/estebanviveros
>>>      <http://www.bandpage.com/estebanviveros>
>>>      <http://soundcloud.com/estebanviveros>
>>>      >>
>>>      >> https://www.facebook.com/estebanviveros.art
>>>      >>
>>>      >> http://www.papodecompositor-es.blogspot.com.br/
>>>      >>
>>>      >> http://expurgacao.art.br/
>>>      >>
>>>      >>
>>>      >>
>>>      >>  _______________________________________________
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>>>
>>> -- 
>>>
>>> Esteban Viveros
>>>
>>> (27) 8815 7170
>>> (27) 3066 0359
>>> (11) 95761 4125
>>> (11) 2738 7868
>>>
>>> www.bandpage.com/estebanviveros <http://soundcloud.com/estebanviveros>
>>>
>>> https://www.facebook.com/estebanviveros.art
>>>
>>> http://www.papodecompositor-es.blogspot.com.br/
>>>
>>> http://expurgacao.art.br/
>>>
>>>
>>>
>>>
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-- 
Ivica Ico Bukvic, D.M.A
Composition, Music Technology
Director, DISIS Interactive Sound & Intermedia Studio
Director, L2Ork Linux Laptop Orchestra
Head, ICAT IMPACT Studio
Virginia Tech
Department of Music
Blacksburg, VA 24061-0240
(540) 231-6139
(540) 231-5034 (fax)
disis.music.vt.edu
l2ork.music.vt.edu
ico.bukvic.net




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