Hi Albert,
Wow, thanks for bringing VST support up to the level of LV2 support!
As always, it was a pleasure to follow your
README file and get everything installed. Sorry
if this question is "politically incorrect" on
this list, but do you or anyone happen to know
the easiest way to get VST support going in Logic
Pro X on the Mac? It appears the default
behavior is to silently ignore all VST plugins.
Yes, in my experience, companies prefer the BSD
or MIT license, since they can run with that
without divulging proprietary source. I slightly
prefer the MIT license (at least the version I
read long ago) because it encourages sharing
bugfixes upstream (though not in a binding way).
Cheers,
Julius
At 02:46 AM 12/6/2014, Albert Graef wrote:
Hi everybody,
as I've been playing around with some commercial
DAWs lately, which don't support LV2, I felt the
need to have something like faust-lv2 for VST
plugins. First I gave Yan Michalevsky's new
vst.cpp architecture a try, which he presented
at LAC 2014. Yan's architecture has a very cool
portamento feature (you can listen to that at
<http://stanford.edu/~yanm2/music/faustloop.mp3>http://stanford.edu/~yanm2/music/faustloop.mp3),
but it didn't really work very well for my own
stuff since vst.cpp doesn't handle multi-channel
MIDI data, and AFAICT it also lacks the
automatic MIDI controller assignments and MTS tuning features in faust-lv2.
It would have been quite a lot of work to add
all this to Yan's architecture, so I set out to
port my own faust-lv2 to VST instead, which was
surprisingly easy. This is up now at
<https://bitbucket.org/agraef/faust-vst>https://bitbucket.org/agraef/faust-vst.
There's a Makefile, the architecture itself, a
faust2faustvst helper script and some examples.
Users of faust-lv2 should feel right at home;
any kind of effect or instrument plugin which
works with faust-lv2 should just take a
recompile to turn it into a full-featured VST.
(As with Yan's architecture, this requires
Steinberg's SDK, though. Links to that are provided in the README.)
Note that, as with Yan's architecture, there's
only a single architecture faustvst.cpp which
does both VSTs and VSTis; for instrument
plugins, you just specify the NVOICES option at
compile time, or run faust2faustvst -nvoices, or
put the nvoices meta key into the Faust source itself.
I've tested the new architecture on both Linux
and Mac OS X with Ardour3, Bitwig, Reaper,
Qtractor and Tracktion, and it seems to work
fine. Windows support should be a piece of cake,
I'll probably do that some time, but I wouldn't
mind if someone beats me to it. ;-) Other items
on the TODO list are to integrate OSC and HTTPD
support, and adding Yan's portamento feature to faust-dsp.
Yann, feel free to add faustvst.cpp and
faust2faustvst to the Faust sources, and it
would be great if this could be added to the
online compiler as well. I chose the somewhat
bulky names so that they don't conflict with Yan's stuff.
One issue I'm still grappling with is the
license. For now, I decided to keep the LGPL
which faust-vst inherited from faust-lv2. This
is also what most other architectures use, but
it makes proprietary uses difficult, unless a
commercial developer is willing to give away the
Faust source of a plugin. I'm interested in
hearing everybody's thoughts on this. Do we want
to promote the use of Faust for proprietary
plugins? Julius, what are you thoughts on this,
specifically concerning VST? Yan released his
architecture under the 3-clause BSDL, I guess
that this was this done to facilitate commercial uses?
Enjoy. :)
Albert
--
Dr. Albert Gr"af
Computer Music Research Group, JGU Mainz, Germany
Email: Â <mailto:aggr...@gmail.com>aggr...@gmail.com
WWW: Â Â
<https://plus.google.com/+AlbertGraef>https://plus.google.com/+AlbertGraef
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Julius O. Smith III <j...@ccrma.stanford.edu>
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CCRMA, Stanford University
http://ccrma.stanford.edu/~jos/
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