[PD] JACK on macOS

[Csaba Láng]

Iohannes,
I tested jack on Big Sur (11.6.1) but looks like no audio is coming out.
[image: Screenshot 2021-12-14 at 13.46.31.png]

Output device must be the same as input, I cannot change it in Pd.
Portaudio works fine but Jack is without sound.
Best,
Popesz

On Tue, Dec 14, 2021 at 10:37 AM IOhannes m zmoelnig <zmoelnig at iem.at>
wrote:

>
> On 12/13/21 22:06, IOhannes m zmölnig wrote:
>  >
>  >
>  > once it finished building, the dmg will be available on
> <
> https://git.iem.at/pd/pure-data/-/jobs/33818/artifacts/file/Pd-0.52-0test3-2-g6ca9539f.dmg>
>
>
>  >
>  > could you please be so kind and test with that version as well?
>
> my first tests show that this version indeed works (at least on Catalina).
> could someone on Big Sur or Monterey confirm this?
>
>
> gfsdr
> IOhannes
>
>
> PS: here's a bit more in-depth tech babble, for those interested what (I
> think) is going on:
>
> >
> > this info in the issue was incredibly helpful:
> >  > JACK protocol mismatch 8
> >
> > afaict it tries to tell us that Pd and jackd speak different (and
> > obviously incompatible) protocols.
> >
> > i'm currently trying to create a new binary on our CI that finally uses
> > the pre-built binaries from jackaudio.org (as dan always suggested).
> >
> > hopefully this will get the protocol version right.
>
> i now think that this was a red hering.
>
> the problem really seems to be that depending on whether Pd is linked
> against  JACK from homebrew or jackaudio.org it will look for the
> library in /usr/local/opt/jack/lib/ resp. /usr/local/lib/.
> for reasons i do not fully understand yet, a homebrew-jacked Pd (that
> looks for libjack.so.0.1.0 in /usr/local/opt/jack/lib/) will refuse to
> load the library if it is found in /usr/local/lib/ (even though this is
> a standard search path for libraries).
> copying/symlinking the libjack.so to the searched for directory, makes
> binaries work.
>
> $ mkdir /usr/local/opt/jack/lib/
> $ ln -s /usr/local/lib/libjack.0.1.0.dylib /usr/local/opt/jack/lib/
>
>
> of course this is not really practical
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