Send Art-Net Messages stutters when composition window isn't active from time to time

Bug Reports
1

Steps causing the bug to occur

  1. Send Art-Net to another computer
  2. Browse the internet or write a document
  3. Get stutter

Have you found a workaround?

Making the composition window active near-instantly restores smooth playback

Other notes

  • Vuo version: 1.2.1
  • macOS version: OS X 10.10

It might take a minute or so for the stutter to happen after switching apps after making the composition active, but then it should start lagging pretty bad.

2

Magneson, we haven’t been able to reproduce this. Steps tried:

  • Start with the built-in Send/Receive Art-Net Messages example compositions.
  • Change the sender to cycle colors, just to be able to see that it’s running.
  • Run the compositions on the same computer.
  • Start another app (Firefox), in addition to several already running.
  • Go away and come back after 1 hour.

With these steps or similar, do you see the lag? (Maybe you don’t have to run it for a full 1 hour…) Or is there something else that needs to happen to trigger the problem?

3

Can it be a priority setting somewhere? I have 42 channels sending color data, modulated by a requested frame source, and held with a Fire Periodically node set to .025 seconds. It jumps right back to smooth playback once I activate the composition viewer.

4

If you check out the attached composition, using a parabox node for displaying framerate, it drops if you go to for instance Facebook and scroll up & down rather fast. If you use f.lux, and it is set to turn off for the editor/comp viewer it also heavily impacts the framerate when switching between applications. I also experienced some issues with the “Fire Periodically” node today when using it together with a JackOSX audio input where it wouldn’t fire faster than about two events a second, even when it was set to .01 and .001.

FrameRateTrouble.vuo (6.6 KB)

5

This problem sounds similar to the one you reported on Facebook where the composition would take an App Nap. We’ll look into it more.

6

Thanks, great!

7

Fixed in Vuo 1.2.2.