# Libraries

**URL:** https://discourse.processing.org/c/processing/processing-libraries/19.md?page=1

[Latest](https://discourse.processing.org/latest.md) · [Categories](https://discourse.processing.org/categories.md) · [Tags](https://discourse.processing.org/tags.md)

**Page:** 2

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## [Can´t install libraries after starting using Processing in Snap](https://discourse.processing.org/t/can-t-install-libraries-after-starting-using-processing-in-snap/46557)

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**Author:** [@rbgtoffolo](https://discourse.processing.org/u/rbgtoffolo)\
**Replies:** 8\
**Last updated:** [September 11, 2025, 2:26pm UTC](https://discourse.processing.org/t/can-t-install-libraries-after-starting-using-processing-in-snap/46557 "2025-09-11T14:26:38Z")

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I installed Processing 4.4.4 using the Snap package (Snap is really painful). However, probably due to folder permissions and all the bizarre Snap infrastructure that I don’t understand well, when I try to install a libr…

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## [I need help to get OSC in Processing enabled](https://discourse.processing.org/t/i-need-help-to-get-osc-in-processing-enabled/47087)

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**Author:** [@ComputerArtist\_ThL](https://discourse.processing.org/u/ComputerArtist_ThL)\
**Replies:** 4\
**Last updated:** [September 6, 2025, 3:34pm UTC](https://discourse.processing.org/t/i-need-help-to-get-osc-in-processing-enabled/47087 "2025-09-06T15:34:55Z")

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Dear Community, I need help to write two little Scripts. 1.) A Script which sends a OSC Message 2.) A Script which received this OSC Message Can anybody give me a advice which to write this two little Programms In ho…

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## [Processing Geometry Suite (PGS) library](https://discourse.processing.org/t/processing-geometry-suite-pgs-library/47073)

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**Author:** [@Morais](https://discourse.processing.org/u/Morais)\
**Replies:** 4\
**Last updated:** [September 6, 2025, 1:59pm UTC](https://discourse.processing.org/t/processing-geometry-suite-pgs-library/47073 "2025-09-06T13:59:00Z")

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Hello everyone! I’ve recently started exploring the fantastic Processing Geometry Suite (PGS) library and I’m really impressed by its capabilities. Right now, I’m trying to get the Mesh Smoothing example up and running,…

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## [Sound analysis?](https://discourse.processing.org/t/sound-analysis/47060)

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**Author:** [@IRIGIMA](https://discourse.processing.org/u/IRIGIMA)\
**Replies:** 3\
**Last updated:** [September 6, 2025, 1:15am UTC](https://discourse.processing.org/t/sound-analysis/47060 "2025-09-06T01:15:39Z")

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Spec. Using the Processing Sound library, code: Configure a high quality sample. Initiate recording. Generate a pulse / sine wave @ hz for time. Stop recording for time. Display waveform (scalable) Purpose. Ana…

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## [Cannot find javafx](https://discourse.processing.org/t/cannot-find-javafx/46913)

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**Author:** [@bonner45](https://discourse.processing.org/u/bonner45)\
**Replies:** 2\
**Last updated:** [August 13, 2025, 4:17am UTC](https://discourse.processing.org/t/cannot-find-javafx/46913 "2025-08-13T04:17:31Z")

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(Processing 4.4.4 Windows 10) I’m trying to use javafx with processing but i get this error. The package “javafx” does not exist. You might be missing a library. i have installed the javafx library. //https://docs.or…

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## [Best audio platform to use with Processing](https://discourse.processing.org/t/best-audio-platform-to-use-with-processing/46895)

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**Author:** [@cjef](https://discourse.processing.org/u/cjef)\
**Replies:** 1\
**Last updated:** [August 8, 2025, 2:01pm UTC](https://discourse.processing.org/t/best-audio-platform-to-use-with-processing/46895 "2025-08-08T14:01:31Z")

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I want to add sound to my sketches, but with live synthesis for example changing an oscillator pitch based on the speed of some shape and such. I’ve already tried the Sound library but my system doesn’t do well runnig it…

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## [Very slow audio playback with Sound library](https://discourse.processing.org/t/very-slow-audio-playback-with-sound-library/46857)

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**Author:** [@cjef](https://discourse.processing.org/u/cjef)\
**Replies:** 0\
**Last updated:** [August 4, 2025, 9:33pm UTC](https://discourse.processing.org/t/very-slow-audio-playback-with-sound-library/46857 "2025-08-04T21:33:50Z")

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I installed the Sound library which is created by the processing foundation itself, and tried to run the SimplePlayback example, but the audio isn’t right and i guess it plays very slowly. I then created even a simpler…

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## [Target VM failed to initialize after using video library VLC](https://discourse.processing.org/t/target-vm-failed-to-initialize-after-using-video-library-vlc/46807)

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**Author:** [@AABERBACH](https://discourse.processing.org/u/AABERBACH)\
**Replies:** 2\
**Last updated:** [July 28, 2025, 11:58am UTC](https://discourse.processing.org/t/target-vm-failed-to-initialize-after-using-video-library-vlc/46807 "2025-07-28T11:58:03Z")

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I view in my program pde video using vlc library but after clsoe the video the program pde show this error Could not run the sketch (Target VM failed to initialize). Make sure that you haven’t set the maximum available…

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## [Movie Maker tool issues](https://discourse.processing.org/t/movie-maker-tool-issues/46767)

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**Author:** [@glv](https://discourse.processing.org/u/glv)\
**Replies:** 0\
**Last updated:** [July 21, 2025, 1:37pm UTC](https://discourse.processing.org/t/movie-maker-tool-issues/46767 "2025-07-21T13:37:29Z")

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Hello, I am using Windows 10 Pro and Processing 4.4.4. I downloaded the Movie Maker tool from the Contribution Manager and had the following experience: Installed from Contribution Manager: Launching Movie Maker …

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## [SaveFrame creating double sized images](https://discourse.processing.org/t/saveframe-creating-double-sized-images/46680)

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**Author:** [@timesuptim](https://discourse.processing.org/u/timesuptim)\
**Replies:** 2\
**Last updated:** [July 8, 2025, 5:55pm UTC](https://discourse.processing.org/t/saveframe-creating-double-sized-images/46680 "2025-07-08T17:55:25Z")

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Hello all, I am using Processing to make videos. Every frame is saved with the draw() function. For some reason, the frames being saved are twice the size of the screen. I set screen size with size(1680,1050); and the…

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## [Game controller input (gamepads, joysticks, etc.) in Processing 4](https://discourse.processing.org/t/game-controller-input-gamepads-joysticks-etc-in-processing-4/46197)

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**Author:** [@GSA\_IxD](https://discourse.processing.org/u/GSA_IxD)\
**Replies:** 10\
**Last updated:** [July 3, 2025, 6:01pm UTC](https://discourse.processing.org/t/game-controller-input-gamepads-joysticks-etc-in-processing-4/46197 "2025-07-03T18:01:51Z")

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I am looking to teach how to implement the above in Processing 4 and seems the Game Control Plus Library is not functional in Processing 4. I can’t see any alternative way to get simple input from such devices into Proce…

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## [Problem with theMidiBus on Mac mini M2 Pro](https://discourse.processing.org/t/problem-with-themidibus-on-mac-mini-m2-pro/43039)

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**Author:** [@eltrem](https://discourse.processing.org/u/eltrem)\
**Replies:** 2\
**Last updated:** [June 24, 2025, 7:17pm UTC](https://discourse.processing.org/t/problem-with-themidibus-on-mac-mini-m2-pro/43039 "2025-06-24T19:17:27Z")

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I just made a fresh install of Processing 4.3 on a new M2 Mac mini running Ventura 13.6, just to find that my old sketches using theMidiBus library do not work. I also tried with the basic examples coming with the libr…

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## [Manually import Java library, JDSP, and cannot use JDSP built-in functions](https://discourse.processing.org/t/manually-import-java-library-jdsp-and-cannot-use-jdsp-built-in-functions/46585)

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**Author:** [@jodoro](https://discourse.processing.org/u/jodoro)\
**Replies:** 10\
**Last updated:** [June 22, 2025, 7:03pm UTC](https://discourse.processing.org/t/manually-import-java-library-jdsp-and-cannot-use-jdsp-built-in-functions/46585 "2025-06-22T19:03:03Z")

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The purpose of this code is to test whether the jdsp function can be called. I manually added the third-party library jdsp according to the method provided by the official. How to Install a Contributed Library · proces…

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## [How can I get video capture from a virtual webcam?](https://discourse.processing.org/t/how-can-i-get-video-capture-from-a-virtual-webcam/1650)

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**Author:** [@Birb](https://discourse.processing.org/u/Birb)\
**Replies:** 9\
**Last updated:** [June 11, 2025, 5:41pm UTC](https://discourse.processing.org/t/how-can-i-get-video-capture-from-a-virtual-webcam/1650 "2025-06-11T17:41:44Z")

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I want to use the processing video library (or another library) to receive a video stream of my OBS virtualcam. However printArray(Capture.list()); only returns the physical webcam, and not the video stream I need create…

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## [Trying to import DJL into Processing](https://discourse.processing.org/t/trying-to-import-djl-into-processing/46526)

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**Author:** [@trashcan08](https://discourse.processing.org/u/trashcan08)\
**Replies:** 0\
**Last updated:** [June 11, 2025, 1:54pm UTC](https://discourse.processing.org/t/trying-to-import-djl-into-processing/46526 "2025-06-11T13:54:01Z")

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Hi, I am trying to import the Deep Java Library (https://docs.djl.ai/master/index.html) into processing, to make visualisations of machine learning. However, following the instructions, and building the folder using grad…

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## [Possible timing issues with OSC](https://discourse.processing.org/t/possible-timing-issues-with-osc/46523)

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**Author:** [@dom](https://discourse.processing.org/u/dom)\
**Replies:** 2\
**Last updated:** [June 14, 2025, 2:41pm UTC](https://discourse.processing.org/t/possible-timing-issues-with-osc/46523 "2025-06-14T14:41:36Z")

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I am sending OSC messages from Supercollider to Processing. I want to use the OSC messages to populate two arrays storing x and y coordinates for certain shapes. My idea was to send three messages: an index, an x positio…

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## [Plot real time values in Viewport](https://discourse.processing.org/t/plot-real-time-values-in-viewport/46536)

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**Author:** [@Gert](https://discourse.processing.org/u/Gert)\
**Replies:** 4\
**Last updated:** [June 13, 2025, 5:41pm UTC](https://discourse.processing.org/t/plot-real-time-values-in-viewport/46536 "2025-06-13T17:41:51Z")

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Hello Processing Community, I’m new here so be patient :slight\_smile: I need to plot a real-time graph of values ​​generated by a mathematical function. The graph should appear in a small central area of ​​the main wind…

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## [Wrong Text Rasterization Position on Mac](https://discourse.processing.org/t/wrong-text-rasterization-position-on-mac/46507)

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**Author:** [@nurlanpie](https://discourse.processing.org/u/nurlanpie)\
**Replies:** 2\
**Last updated:** [June 6, 2025, 4:51am UTC](https://discourse.processing.org/t/wrong-text-rasterization-position-on-mac/46507 "2025-06-06T04:51:14Z")

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I wrote a sketch that is supposed to rasterize text placed on a PGraphics object and display it centered on the canvas. However, in practice, the rasterized text appears in the bottom right corner instead of the center. …

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## [Processing video library isn't loading videos](https://discourse.processing.org/t/processing-video-library-isnt-loading-videos/36308)

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**Author:** [@tete40i](https://discourse.processing.org/u/tete40i)\
**Replies:** 1\
**Last updated:** [May 28, 2025, 5:10pm UTC](https://discourse.processing.org/t/processing-video-library-isnt-loading-videos/36308 "2025-05-28T17:10:17Z")

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Hello, I’m using Processing 4.0b7 (also tried with previous versions), and installed its Video Library. I have the following code (Im literally just trying to play a video): import processing.video.\*; Movie vide…

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## [Legacy video player code built out to 8 clips, plays only first pressed](https://discourse.processing.org/t/legacy-video-player-code-built-out-to-8-clips-plays-only-first-pressed/41715)

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**Author:** [@patlichty1](https://discourse.processing.org/u/patlichty1)\
**Replies:** 1\
**Last updated:** [April 16, 2023, 10:19pm UTC](https://discourse.processing.org/t/legacy-video-player-code-built-out-to-8-clips-plays-only-first-pressed/41715 "2023-04-16T22:19:49Z")

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Hi, everyone, I apologize if this has been solved, but this is the legacy video-on-keypress code that the user discussed that another video would not play after selecting the first one. The thing is that the logic seems…

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## [Sound library Env causes clicks](https://discourse.processing.org/t/sound-library-env-causes-clicks/46183)

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**Author:** [@esc746](https://discourse.processing.org/u/esc746)\
**Replies:** 2\
**Last updated:** [May 28, 2025, 3:25pm UTC](https://discourse.processing.org/t/sound-library-env-causes-clicks/46183 "2025-05-28T15:25:54Z")

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Playing a steady-state oscillator using the Sound library works just fine. But attempting to add an envelope (Env) results in distorted clicks as the sound starts and stops. This can be demonstrated using the Libraries \>…

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## [Processing + GLSL + Video](https://discourse.processing.org/t/processing-glsl-video/45113)

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**Author:** [@Morais](https://discourse.processing.org/u/Morais)\
**Replies:** 4\
**Last updated:** [May 27, 2025, 10:15pm UTC](https://discourse.processing.org/t/processing-glsl-video/45113 "2025-05-27T22:15:08Z")

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Hello everyone, Does anyone know where I can find information on applying shaders to video using Processing? I’ve had success using many Shadertoy examples before, except for those that involve video or webcam inputs. W…

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## [This is about Java 'network' library](https://discourse.processing.org/t/this-is-about-java-network-library/46291)

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**Author:** [@GWAK](https://discourse.processing.org/u/GWAK)\
**Replies:** 14\
**Last updated:** [May 7, 2025, 2:47pm UTC](https://discourse.processing.org/t/this-is-about-java-network-library/46291 "2025-05-07T14:47:59Z")

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It’s about JAVA ‘network’ library. Hello. Nice to meet you. import processing.net.\*; int port = 10002; Server myServer; void setup() { size(400, 400); background(0); myServer = new Server(this, port); // Starts…

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## [(Question) Processing 3 Minim Audio Visual](https://discourse.processing.org/t/question-processing-3-minim-audio-visual/46344)

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**Author:** [@nuclearns](https://discourse.processing.org/u/nuclearns)\
**Replies:** 0\
**Last updated:** [May 7, 2025, 8:00pm UTC](https://discourse.processing.org/t/question-processing-3-minim-audio-visual/46344 "2025-05-07T20:00:09Z")

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Hello, In the work below, the text sometimes speeds up and then slows down. It didn’t work for me. How is it done, friends? The visibility of the letters changes according to the sound heard from the microphone. I want…

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## [Help with video code: distortion input videos](https://discourse.processing.org/t/help-with-video-code-distortion-input-videos/45918)

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**Author:** [@serra.magi](https://discourse.processing.org/u/serra.magi)\
**Replies:** 4\
**Last updated:** [May 6, 2025, 9:03am UTC](https://discourse.processing.org/t/help-with-video-code-distortion-input-videos/45918 "2025-05-06T09:03:15Z")

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Help me by suggesting initial code to play with the concept: distortion input videos

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## [Trouble in downloading the Geomerative library — Processing](https://discourse.processing.org/t/trouble-in-downloading-the-geomerative-library-processing/46287)

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**Author:** [@halleyscomet](https://discourse.processing.org/u/halleyscomet)\
**Replies:** 4\
**Last updated:** [April 28, 2025, 5:49pm UTC](https://discourse.processing.org/t/trouble-in-downloading-the-geomerative-library-processing/46287 "2025-04-28T17:49:12Z")

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Hello, I’m new to Processing, and I have to use the Geomerative library for a project using SVG and a plotter. However, I can’t find the Geomerative library in the “add libraries” window of Processing. I also tried to a…

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## [OBJ: Disabling MTL and Applying Custom Colors](https://discourse.processing.org/t/obj-disabling-mtl-and-applying-custom-colors/46265)

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**Author:** [@Chrisir](https://discourse.processing.org/u/Chrisir)\
**Replies:** 12\
**Last updated:** [April 21, 2025, 9:08am UTC](https://discourse.processing.org/t/obj-disabling-mtl-and-applying-custom-colors/46265 "2025-04-21T09:08:45Z")

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I have a similar problem, mtl looks like this: # Blender MTL File: 'Aa.blend' # Material Count: 1 newmtl Material.001 Ns 225.000000 Ka 0.680556 0.680556 0.680556 Kd 0.800000 0.046634 0.034524 Ks 0.527778 0.527778 0.527…

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## [Load a mlt and obj](https://discourse.processing.org/t/load-a-mlt-and-obj/5222)

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**Author:** [@MarsatAE](https://discourse.processing.org/u/MarsatAE)\
**Replies:** 9\
**Last updated:** [November 29, 2018, 9:57am UTC](https://discourse.processing.org/t/load-a-mlt-and-obj/5222 "2018-11-29T09:57:46Z")

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Hi My name is Vincent and i’m trying to build a software that can simply display a 3D that i make with Cinema4D. The problem i have is: i cannot load the Mtl with my obj. Here is the code : import java.io.FileOutput…

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## [The error "Could not load movie file Fish.mp4" occurs](https://discourse.processing.org/t/the-error-could-not-load-movie-file-fish-mp4-occurs/46169)

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**Author:** [@Morphine](https://discourse.processing.org/u/Morphine)\
**Replies:** 5\
**Last updated:** [April 15, 2025, 5:59pm UTC](https://discourse.processing.org/t/the-error-could-not-load-movie-file-fish-mp4-occurs/46169 "2025-04-15T17:59:56Z")

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The error “Could not load movie file Fish.mp4” occurs. The “Fish.mp4” file is played in other video players, this file is located in the same folder as the sketch.

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## [GPU parallel processing with APARAPI](https://discourse.processing.org/t/gpu-parallel-processing-with-aparapi/46223)

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**Author:** [@williamfraser](https://discourse.processing.org/u/williamfraser)\
**Replies:** 0\
**Last updated:** [April 15, 2025, 3:48pm UTC](https://discourse.processing.org/t/gpu-parallel-processing-with-aparapi/46223 "2025-04-15T15:48:18Z")

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Good day all. I have written a particle simulator and would like to try improving speed using parallel processing on a GPU. APARAPI is something used to run Java on GPU, but will it work with Processing? I have no exp…

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