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  Praxis LIVE v2 - hybrid visual IDE for creative coding  (Read 87122 times)
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Offline nsigma
« Reply #30 - Posted 2016-09-02 17:27:40 »

@quew8 - Thanks!  Glad you're having fun with it.  Please do share images, video. etc of your project when you're done.  Sounds great.

So, yes, this is a bit of a known issue, and I keep thinking I should make a little component for "side-chaining" like this.  You're right that the channel is being switched off as an optimization.  You could switch to using video:composite.  Put the blob processed stream in dst, and the none processed stream in src, with mix on full.  That should do the trick.

Or, create a video:custom and edit the code to -

@In(1) PImage in;
@In(2) PImage sidechain;

public void draw() {

That should also do it.

Praxis LIVE - hybrid visual IDE for (live) creative coding
Offline nsigma
« Reply #31 - Posted 2016-10-06 14:21:14 »

A release candidate of Praxis LIVE v3 is now available, with lots of exciting new features.  It's feature complete, but not fully tested / documented yet.

I'm currently on my way to Canada for the International Conference on Live Coding, where I'll be presenting a paper and demo using Praxis LIVE.

The full release will be done ASAP when I get back (yes, ran out of time!  Grin ).  In the meantime ...

v3.0.0-rc1 download -
v3 key changes -

Praxis LIVE - hybrid visual IDE for (live) creative coding
Offline nsigma
« Reply #32 - Posted 2016-11-15 19:15:53 »

So, Praxis LIVE v3.0.0 is available - well, actually has been available for a few weeks now but I forgot to update this ...  persecutioncomplex

Downloads from, source code on GitHub.

Lots of changes have been made under the hood, including updating the embedded compiler to Java 8 with some new lambda goodness in the API, performance improvements in the OpenGL pipeline, updating GStreamer video support to 1.x, and revising all the audio components to be stereo and live-codeable.  Distributed hubs support has been improved with the ability to run the compiler on another process / machine, and a lightweight HTTP file server added for asset sharing.  And a new internal type for binary data (needed for bytecode) makes it easier to pass complex data around (eg. FFT data - see video).

See the full list of changes at

Since the release I wrote a blog post about Cyberphysical coding on the JVM, which also talks about some more general uses of live real-time coding and links to my ICLC paper mentioned above.  If this interests you too, say hi!  Smiley

I'll finish with some Funky Origami - here's a video rendering of one pass through one of the new examples using some of those new features, demonstrating generative audio and controlling a simple 3D shape with FFT data.

<a href=";hl=en_US&amp;start=" target="_blank">;hl=en_US&amp;start=</a>

Praxis LIVE - hybrid visual IDE for (live) creative coding
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