[LAU] Scripting jackd connections
joelz at pobox.com
Wed Jun 15 03:01:44 UTC 2016
> Apologies if this has been asked and answered already but I can find no
> My jackd set up is quite idiosyncratic. When I plug in my external
> sound gear I have to change the connections each time to get sound out.
> I also use a variety of gear from the same computer each with its own
> I would like to be able to write a script that would start up jackd, set
> the default sound IO to use jackd (I am on Ubuntu Studio) start a couple
> of other applications and change the connections.
> The man page for jackd is not much help. I have found some pages that
> have part of the answer (e.., http://www.64studio.com/node/740) but
> surely there is some direct way of manipulating jackd connections
> without a mouse and GUI?
Jack usually comes with command-line utilities jack_connect
and jack_disconnect, which you can easily script. To see
what ports are available, you can parse the output of
jack_lsp, which is the quick-and-dirty approach Nama uses.
There is jack-plumbing, a simple utility/daemon which will
make connections based on a config file, jack.plumbing.
There is also a python module that looks like it might
be helpful, although I wonder if it can connect
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