[LAD] VST and Qt

David García Garzón dgarcia at iua.upf.edu
Mon Apr 6 17:00:26 UTC 2009

On Monday 06 April 2009 18:19:19 Grammostola Rosea wrote:
> David García Garzón wrote:
> > On Monday 06 April 2009 14:45:40 Grammostola Rosea wrote:
> >> David García Garzón wrote:
> >>> Hi, lads! Some news from the CLAM project.
> >>>
> >>> For anyone interested in that subject, we managed to build Qt based VST
> >>> interfaces (from linux!). Not about integrating existing VST in Qt
> >>> applications but building brand new plugins using Qt. This is an step
> >>> to get visual prototyped VST from CLAM as we got from LADSPA and JACK
> >>> on last releases. I don't think the integration could get into the next
> >>> CLAM release, but i guess that just the Qt-VST integration could be
> >>> useful to someone in the community.
> >>>
> >>> See more information here:
> >>> http://vokicodder.blogspot.com/2009/04/vst-plugins-with-qt-user-interfa
> >>>ce .html
> >>>
> >>> The code is available in the first link to the CLAM developers list.
> >>> Not the proper distribution but i plan to make it available from clam
> >>> or other repository in short. Any collaborative hacking to improve it
> >>> is very welcome.
> >>
> >> I'm an programmer noob, but some questions.
> >>
> >> 1) what is your aim? Building VST plugins for Gnu/ Linux? Is a VST
> >> better then an LV2 plugin?
> >> 2) why is the focus in the Gnu/Linux work on VST and not on AudioUnit
> >> plugins? Linux and OS X are both Unix like systems right?
> >
> > The principle we follow is "design once, generate many". We are aiming on
> > building any kind of plugins or audio backends our users want to build
> > using the CLAM framework. See:
> > http://clam-project.org/wiki/Network_Editor_tutorial
> >
> > One of those targets is building VST plugins *for Windows* (crosscompiled
> > from linux or natively from windows). The main advantage for linux users
> > is that they can visually build their plugins or JACK applications in
> > linux with CLAM, and then, if they want their plugin to be available for
> > Windows users, just click a button and you'll have a VST plugin as well.
> >
> > LV2 is also on our roadmap, and I guess that having already support for
> > Ladspa it won't be that difficult. But right now our interests where VST
> > just because a project partners asked us for some vst's and, well, it was
> > funny doing that from linux. We had vst code working for a couple of
> > years but without GUI, and in order to make this code valuable we had to
> > unlock the GUI front. That's what we did.
> >
> > The good news, if you are interested in AudioUnits, is that one of our
> > coworkers, Ferran Orriols, already has an assigned time slot to implement
> > AudioUnits in CLAM, after his eastern exams.
> >
> > Of course, any help on supporting whatever plugin/backend platform would
> > be very appreciated as we have a limited number of hands. ;-)
> >
> > David.
> @ Paul, thanks for your explanation.
> @ David, Ok, thanks for information. I read often that people regret
> that certain Free VST plugins are not available on GNU/Linux. VST plugin
> authors don't want to make it for GNU/ Linux... maybe if it's easier to
> build for both platforms this will improve. Also sometimes there is a
> GUI for the Windows version and not for GNU/Linux (I think Freeverb3 is
> such an example). Would be nice if such an Gui for Windows could be
> easily build on GNU/Linux too.

Yes, that's the point, reusing the same Qt interface for JACK apps, LV2 and 
VST. No need to use VSTGUI which is tailored just for VST and not even 
inventing a new toolkit, just taking a general purpose one.


More information about the Linux-audio-dev mailing list