You could try:
- to launch a second instance of Pd from your init script, and communicate via [netsend] / [netreceive]
- or to run this second Pd instance via [pd~]; this could be simpler to implement (because you'll just use inlet/outlet to communicate), but I don't know, even with -noaudio and -nogui flags, if it will avoid the master instance to block.


Le lun. 18 févr. 2019 à 09:39, Jakob Laue <jakkesprinter@web.de> a écrit :
Hey all,
I am working on a sample player in pd.
In my patch I am using a postgresql external from here:
https://sourceforge.net/p/pure-data/svn/17183/tree/trunk/externals/postlude/psql/
 
Unfortunately, I get audio clicks when I send a query to my database, which is of course a no-go
as I am playing audio samples.
 
I am on a Raspberry Pi 2, Raspbian Jessie with pd 0.49.
I start my patch like this: sudo pd -rt -nogui mypatch.pd
(sudo because I am using a wiringPi_gpio external which causes pd to crash when it isnt run with sudo...)
 
My queries are only to localhost.
Do you have any ideas how I could solve this?
My first idea was to simply not use postgresql and somehow stick to tables within pd.
But postgresql would come in handy in my patch because I actually wanted to connect to the database from another
second Raspberry Pi aswell.
 
Thanks, Jakob
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