[linux-audio-user] Jack/LADSPA/RT-mixer-software?

Paul Davis paul at linuxaudiosystems.com
Sat Aug 13 15:35:49 EDT 2005


> I'm looking for some simple software to accomplish the following:
		       ^^^^^^

really ?

> - do realtime monitoring(VU) and mixing
> - output mixed data for headphones-monitoring (using same card, I have the 
> infamous st-audio rig, on which I didn't manage to get _any_ of the MIDI 
> ports to work)
> - optionally route some of the input channels trough LADSPA plugins
> 
> A Gtk+2 GUI would be much preferred to anything else.
> 
> Has anyone seen such a beast? If not, how does this sound:
> - a jack client that will get the input data
> - will do the mixing and drive the stuff trough ladspa
> - output result using jack (this should be possible, only I skimmed trough 
> some jack-related docs, difficult to get handle on it)
> - display VU/implement GUI for levels using GTK+ (2.x).
> 
> Does anyone see any architectural problems with this approach? I'd guess that 
> implementing mixing using a jackd plugin would be more efficient, but is it 
> worth it and how to connect the controls to the GUI?

its what ardour does, although ardour is stuck at GTK+ 1.2 for a while.

--p





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