[PD] JACK on macOS

Christof Ressi info at christofressi.com
Tue Dec 14 14:45:25 CET 2021


> 2. turn on "callbacks" in Pd's audio settings (it seems that this is 
> required on macOS) 
Are you sure? In my understanding, the "callback scheduler" is generally 
legacy and usually you would always use the "polling scheduler". (Both 
the Jack backend and the portaudio backend support both modes.)

Christof

On 14.12.2021 14:10, IOhannes m zmoelnig wrote:
>
> On 12/14/21 13:49, Csaba Láng wrote:
>> 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.
>
> 1. make sure that you have connected Pd to your soundcard in qJackCtl 
> (using the `Graph` resp `Connect` button)
> 2. turn on "callbacks" in Pd's audio settings (it seems that this is 
> required on macOS)
>
>
> thanks for testing.
>
> gfmasdr
> IOhannes
>
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