Mixxx jack settings should not need reconfiguring every time I change hardware

[mixxxbot]

Reported by: wolftune
Date: 2016-07-19T01:18:08Z
Status: Confirmed
Importance: Wishlist
Launchpad Issue: lp1604207

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If I switch back and forth from my internal or external audio interface, Mixxx requires me to do a reconfiguring every time even when I am only setting just a single master output and no other settings. There's no need for this. All other JACK programs work fine when started with whatever hardware. Mixxx should just use the default system output from JACK and that shouldn't have to be reselected just because the last time I ran Mixxx it was with the other hardware.

[mixxxbot]

Commented by: daschuer
Date: 2016-07-19T06:19:00Z

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This is an issue because Mixxx uses Jack via Portaudio.
I am currently working on a native Jack integration.

[mixxxbot]

Commented by: wolftune
Date: 2016-07-19T12:52:49Z

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Ah, that makes sense. Incidentally, the same issue is not present in other Portaudio apps, but that's because they don't keep persistent connections at all. So, Audacity and VLC (for example), connect to the system only when playing and then their JACK connection dies when you stop playing. There's definitely pros and cons to Mixxx's way of handling Portaudio.

In any case, native JACK integration is the correct approach. Looking forward to that. Thanks for your work!