I think it depends on preference. Jack2 is multi-threaded, and I've
found that some software work better with it (Radium in particular). I
think if you're unsure, go with Jack2. I'm not really much of user of
Jack1, so maybe other people who are more knowledgeable will have to
correct me, but Jack2 seems to work with less xruns on my machine and
seems more performant on my hardware.
Also, if you don't want to use d-bus with Jack2, you can disable it from
qjackctl's Setup > Misc options.
Brandon Hale
On 2/4/21 5:31 PM, Brent Busby wrote:
This subject seems to come up occasionally...
What is the current best practice with regard to Jack classic versus
Jack 2? It's usually said that Jack 2 is optimized for SMP, but it's
hard to find a machine these days that isn't SMP. Maybe the two
projects are merging because of this?
Because, Jack 1 hasn't gone away. In fact, the only version of
jack-audio-connection-kit currently in Gentoo (no overlay) has a version
string of 0.125.0-r1, and I presume that's Jack 1. I've got a local
overlay with 1.9.12 that I've been using, so I can fight this of
course...but should I? Is everyone being advised to move to Jack 1 now?
For what it's worth in deciding, I prefer not to use dbus for control
(or for anything at all, when I can avoid it), and I'm using QJackCtl as
a frontend.
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