# Libraries

**URL:** https://discourse.processing.org/c/processing/processing-libraries/19.md?page=2

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

**Page:** 3

---

## [Video library DLLs not found in Windows 10](https://discourse.processing.org/t/video-library-dlls-not-found-in-windows-10/46213)

<div class="topic-metadata">

**Author:** [@nixiebunny](https://discourse.processing.org/u/nixiebunny)\
**Replies:** 0\
**Last updated:** [April 14, 2025, 1:33am UTC](https://discourse.processing.org/t/video-library-dlls-not-found-in-windows-10/46213 "2025-04-14T01:33:16Z")

</div>

I have just installed Processing 4.3.4 x86-64 on my Windows 10 i7 laptop. It is installed at \\Users\\David\\Processing4.3.4\\processing.exe I installed the Video library for Processing 4 from the Manage Libraries dialog. …

---

## [Can I use Processing to separately control 3 videos on 3 monitors?](https://discourse.processing.org/t/can-i-use-processing-to-separately-control-3-videos-on-3-monitors/46210)

<div class="topic-metadata">

**Author:** [@Flustered](https://discourse.processing.org/u/Flustered)\
**Replies:** 1\
**Last updated:** [April 14, 2025, 1:05am UTC](https://discourse.processing.org/t/can-i-use-processing-to-separately-control-3-videos-on-3-monitors/46210 "2025-04-14T01:05:11Z")

</div>

Hi.. I have been waiting for an excuse to use Processing for AGES!!! We need to have 3 separate videos playing on 3 separate monitors with the videos stopping and starting by code.. I know you can play video in a sket…

---

## [\[SOLVED\] Minim library FFT help](https://discourse.processing.org/t/solved-minim-library-fft-help/46184)

<div class="topic-metadata">

**Author:** [@esc746](https://discourse.processing.org/u/esc746)\
**Replies:** 0\
**Last updated:** [April 9, 2025, 4:34pm UTC](https://discourse.processing.org/t/solved-minim-library-fft-help/46184 "2025-04-09T16:34:39Z")

</div>

I am using Minim to display the spectrum of the total output of my sketch. The example sketch Minim \> Analysis \> SoundSpectrum has this core algorithm: AudioPlayer sound = minim.loadFile("sound.mp3", 1024); FFT fft = ne…

---

## [Issue rendering video/how to render video on processing](https://discourse.processing.org/t/issue-rendering-video-how-to-render-video-on-processing/6667)

<div class="topic-metadata">

**Author:** [@ra0000mona94](https://discourse.processing.org/u/ra0000mona94)\
**Replies:** 2\
**Last updated:** [December 18, 2018, 9:14pm UTC](https://discourse.processing.org/t/issue-rendering-video-how-to-render-video-on-processing/6667 "2018-12-18T21:14:27Z")

</div>

I’m extremely new to this and have made a design using a tutorial. My code runs smoothly until I enter: saveFrame(“output/frames\_####.png”); when I enter this, my video does not run, instead there is a blank screen. ple…

---

## ["Video for Processing 4" - Video is flickering, possible causes?](https://discourse.processing.org/t/video-for-processing-4-video-is-flickering-possible-causes/42703)

<div class="topic-metadata">

**Author:** [@olliebown](https://discourse.processing.org/u/olliebown)\
**Replies:** 8\
**Last updated:** [September 19, 2023, 11:21am UTC](https://discourse.processing.org/t/video-for-processing-4-video-is-flickering-possible-causes/42703 "2023-09-19T11:21:37Z")

</div>

Are there any experts on the “Video for Processing 4” library who might be able to explain possible causes of undesirable flickering and freezing behaviour? (Processing 4, Mac OS 13\*). At present I can’t provide a clean …

---

## [When I render this code, it gives me 2 second video. but it have to give 6 secs](https://discourse.processing.org/t/when-i-render-this-code-it-gives-me-2-second-video-but-it-have-to-give-6-secs/21773)

<div class="topic-metadata">

**Author:** [@yhlaskerimov](https://discourse.processing.org/u/yhlaskerimov)\
**Replies:** 8\
**Last updated:** [April 4, 2025, 3:19pm UTC](https://discourse.processing.org/t/when-i-render-this-code-it-gives-me-2-second-video-but-it-have-to-give-6-secs/21773 "2025-04-04T15:19:00Z")

</div>

import processing.video.\*; import com.hamoid.\*; VideoExport videoExport; int cellSize = 20; int cols, rows; PShape asuda\[\] = new PShape\[5\]; Movie movie; void setup() { frameRate(60); size(1920, 1080); cols = wid…

---

## [Help With Video Code Crashing (ram build up?)](https://discourse.processing.org/t/help-with-video-code-crashing-ram-build-up/9688)

<div class="topic-metadata">

**Author:** [@EvanA](https://discourse.processing.org/u/EvanA)\
**Replies:** 8\
**Last updated:** [March 27, 2019, 7:26pm UTC](https://discourse.processing.org/t/help-with-video-code-crashing-ram-build-up/9688 "2019-03-27T19:26:59Z")

</div>

Hello, I’m pretty new to processing and am making this code for a creative project. Basically the code picks a random spot in a video file and plays for ten seconds. After the ten seconds it picks a new random video fil…

---

## [Video loop() choppy](https://discourse.processing.org/t/video-loop-choppy/45971)

<div class="topic-metadata">

**Author:** [@esc746](https://discourse.processing.org/u/esc746)\
**Replies:** 6\
**Last updated:** [April 3, 2025, 6:30pm UTC](https://discourse.processing.org/t/video-loop-choppy/45971 "2025-04-03T18:30:10Z")

</div>

I am using standard code from the example page to loop a video file (720p30 AVC). The initial buffering is quite long. Worse yet, the looping is far from smooth, with pauses up to two seconds (!) at the transition. The …

---

## [Error message with Syphon lib](https://discourse.processing.org/t/error-message-with-syphon-lib/46056)

<div class="topic-metadata">

**Author:** [@vj\_dobermann](https://discourse.processing.org/u/vj_dobermann)\
**Replies:** 6\
**Last updated:** [March 30, 2025, 4:55am UTC](https://discourse.processing.org/t/error-message-with-syphon-lib/46056 "2025-03-30T04:55:28Z")

</div>

Hello everybody, I’m beginner on Processing, I juste need it for a specific animation that will be use for an event. When the code is executed, this error message occurs : Syphon 4.0 by Andres Colubri, Tom Butterworth…

---

## [Youtube livestream help](https://discourse.processing.org/t/youtube-livestream-help/46041)

<div class="topic-metadata">

**Author:** [@jetjaguar](https://discourse.processing.org/u/jetjaguar)\
**Replies:** 7\
**Last updated:** [March 29, 2025, 4:06pm UTC](https://discourse.processing.org/t/youtube-livestream-help/46041 "2025-03-29T16:06:08Z")

</div>

Hello everyone! I didn’t think this would be possible at all, but it works, for a few seconds… I would like to play a youtube livestream within processing. I’ve installed the vlcjvideo library, as well as VideoLAN. The…

---

## [Processing + Mac ARM + Syphon library](https://discourse.processing.org/t/processing-mac-arm-syphon-library/45987)

<div class="topic-metadata">

**Author:** [@yaniki](https://discourse.processing.org/u/yaniki)\
**Replies:** 0\
**Last updated:** [March 13, 2025, 8:33pm UTC](https://discourse.processing.org/t/processing-mac-arm-syphon-library/45987 "2025-03-13T20:33:39Z")

</div>

Dear Friends Do we currently have any version of Syphon that works on Macs with ARM processors (I mean native work, without running Processing in Rosetta mode, etc.). Thank you in advance for all your comments and info…

---

## [PGS: problem invoking centroid()](https://discourse.processing.org/t/pgs-problem-invoking-centroid/46030)

<div class="topic-metadata">

**Author:** [@Eamoex](https://discourse.processing.org/u/Eamoex)\
**Replies:** 4\
**Last updated:** [March 22, 2025, 1:59am UTC](https://discourse.processing.org/t/pgs-problem-invoking-centroid/46030 "2025-03-22T01:59:07Z")

</div>

Hi, coming back to Processing after a long while; just dicovered the amazing PGS library. Problem: how do I make Processing see method centroid()? I have included line import micycle.pgs.\*;, but my instruction to get a …

---

## [Play video with sound](https://discourse.processing.org/t/play-video-with-sound/45924)

<div class="topic-metadata">

**Author:** [@poppanona](https://discourse.processing.org/u/poppanona)\
**Replies:** 8\
**Last updated:** [March 15, 2025, 2:45pm UTC](https://discourse.processing.org/t/play-video-with-sound/45924 "2025-03-15T14:45:21Z")

</div>

Is there a way to incorparate the sound in a movie in one’s sketch

---

## [How to manually install VLCJVideo library](https://discourse.processing.org/t/how-to-manually-install-vlcjvideo-library/45960)

<div class="topic-metadata">

**Author:** [@Seamiki](https://discourse.processing.org/u/Seamiki)\
**Replies:** 1\
**Last updated:** [March 11, 2025, 1:18pm UTC](https://discourse.processing.org/t/how-to-manually-install-vlcjvideo-library/45960 "2025-03-11T13:18:47Z")

</div>

I tried to install VLCJVideo library using the contribution manager but the download fails all the time. Seems like a dead link because i can install other libraries without problems. So i downloaded the github reposito…

---

## [GWindow 'g4p' / Draws incorrectly. (Windows 'new window' problem)](https://discourse.processing.org/t/gwindow-g4p-draws-incorrectly-windows-new-window-problem/45942)

<div class="topic-metadata">

**Author:** [@GWAK](https://discourse.processing.org/u/GWAK)\
**Replies:** 4\
**Last updated:** [March 11, 2025, 8:50am UTC](https://discourse.processing.org/t/gwindow-g4p-draws-incorrectly-windows-new-window-problem/45942 "2025-03-11T08:50:09Z")

</div>

GWindow ‘g4p’ / Draws incorrectly. (Windows ‘new window’ problem) Please check 2 images. If it is drawn correctly, if it is drawn incorrectly Draw stops after 1 operation with ‘noLoop’. Is there a way to inc…

---

## [How Can I Create a Rectangle Whose Inside Has a Different Drag Properties than the VerletPhysics2D World It Is In?](https://discourse.processing.org/t/how-can-i-create-a-rectangle-whose-inside-has-a-different-drag-properties-than-the-verletphysics2d-world-it-is-in/45839)

<div class="topic-metadata">

**Author:** [@Ermi](https://discourse.processing.org/u/Ermi)\
**Replies:** 3\
**Last updated:** [February 27, 2025, 11:04pm UTC](https://discourse.processing.org/t/how-can-i-create-a-rectangle-whose-inside-has-a-different-drag-properties-than-the-verletphysics2d-world-it-is-in/45839 "2025-02-27T23:04:45Z")

</div>

I am trying to modify the example Attraction2D so that the drag increases from half of the screen(world), making the particles appear to be falling into water. Is it possible to create two different mediums whose drag va…

---

## [Webcam video for Linux workaround](https://discourse.processing.org/t/webcam-video-for-linux-workaround/45784)

<div class="topic-metadata">

**Author:** [@Seamiki](https://discourse.processing.org/u/Seamiki)\
**Replies:** 0\
**Last updated:** [February 16, 2025, 4:03pm UTC](https://discourse.processing.org/t/webcam-video-for-linux-workaround/45784 "2025-02-16T16:03:58Z")

</div>

I share below a workaround for whoever got issues on linux with the video library. I was trying to get the video feed from the webcam but only got errors related to libsoup and gstreamer. the workaround that i found us…

---

## [Sound, Perlin Noise, and Processing. Looking for a demo](https://discourse.processing.org/t/sound-perlin-noise-and-processing-looking-for-a-demo/45732)

<div class="topic-metadata">

**Author:** [@mario60](https://discourse.processing.org/u/mario60)\
**Replies:** 4\
**Last updated:** [February 21, 2025, 10:33pm UTC](https://discourse.processing.org/t/sound-perlin-noise-and-processing-looking-for-a-demo/45732 "2025-02-21T22:33:04Z")

</div>

Hi Simple question: has anybody developed In Processing a couple of simple examples as those at What Does Perlin Noise Sound Like? ? If you did, I appreciate if you may share your code. Thanks a lot.

---

## [ClassCastException using ttslib](https://discourse.processing.org/t/classcastexception-using-ttslib/45805)

<div class="topic-metadata">

**Author:** [@john55](https://discourse.processing.org/u/john55)\
**Replies:** 2\
**Last updated:** [February 21, 2025, 2:10am UTC](https://discourse.processing.org/t/classcastexception-using-ttslib/45805 "2025-02-21T02:10:23Z")

</div>

Running ttstest example sketch on Mac results in ClassCastException. ClassCastException: class com.sun.speech.freetts.en.us.cmu\_time\_awb.AlanVoiceDirectory cannot be cast to class com.sun.speech.freetts.VoiceDirectory (…

---

## [USB Camera(CAM) Library Recommendations](https://discourse.processing.org/t/usb-camera-cam-library-recommendations/45802)

<div class="topic-metadata">

**Author:** [@GWAK](https://discourse.processing.org/u/GWAK)\
**Replies:** 0\
**Last updated:** [February 20, 2025, 5:25am UTC](https://discourse.processing.org/t/usb-camera-cam-library-recommendations/45802 "2025-02-20T05:25:12Z")

</div>

USB Camera(CAM) Library Recommendations Hello. Nice to meet you. Model name: e-con See3CAM\_CU135 13MP USB Camera What kind of ‘library’ is there for ‘USB’ Camera? I think there will be a lag with ‘13MP’. Is th…

---

## [Eclipse IDE with Processing - Can't play video](https://discourse.processing.org/t/eclipse-ide-with-processing-cant-play-video/45772)

<div class="topic-metadata">

**Author:** [@Ojey](https://discourse.processing.org/u/Ojey)\
**Replies:** 0\
**Last updated:** [February 15, 2025, 10:38pm UTC](https://discourse.processing.org/t/eclipse-ide-with-processing-cant-play-video/45772 "2025-02-15T22:38:29Z")

</div>

Hi I want to play just a video, it work great in processing IDE with the librairy processing.video.\*; But with Eclipse i can’t play anything, it seems that there is a problem with gstreamer. I have this error. Can yo…

---

## [For Linux, is Video Library 2.2. broken?](https://discourse.processing.org/t/for-linux-is-video-library-2-2-broken/44456)

<div class="topic-metadata">

**Author:** [@mario60](https://discourse.processing.org/u/mario60)\
**Replies:** 1\
**Last updated:** [February 16, 2025, 4:27pm UTC](https://discourse.processing.org/t/for-linux-is-video-library-2-2-broken/44456 "2025-02-16T16:27:51Z")

</div>

Please check https://github.com/processing/processing-video/issues/221. For Linux, Is Video Library 2.2 broken? (I use it on Win and Mac without any problem).

---

## [Rotating a Block of Points About Another Point Magnifies and Diminishes the Block Size](https://discourse.processing.org/t/rotating-a-block-of-points-about-another-point-magnifies-and-diminishes-the-block-size/45757)

<div class="topic-metadata">

**Author:** [@Ermi](https://discourse.processing.org/u/Ermi)\
**Replies:** 1\
**Last updated:** [February 15, 2025, 8:54am UTC](https://discourse.processing.org/t/rotating-a-block-of-points-about-another-point-magnifies-and-diminishes-the-block-size/45757 "2025-02-15T08:54:59Z")

</div>

I am trying to rotate points about another point, but the rotated points are either further away from each other or they are closer to each other than their original separation. I want to rotate them so that when they ar…

---

## [How Can I Create Two Mediums with Different Drag Properties Inside VerletPhysics2D World?](https://discourse.processing.org/t/how-can-i-create-two-mediums-with-different-drag-properties-inside-verletphysics2d-world/45728)

<div class="topic-metadata">

**Author:** [@Ermi](https://discourse.processing.org/u/Ermi)\
**Replies:** 1\
**Last updated:** [February 8, 2025, 1:12pm UTC](https://discourse.processing.org/t/how-can-i-create-two-mediums-with-different-drag-properties-inside-verletphysics2d-world/45728 "2025-02-08T13:12:06Z")

</div>

I am trying to modify the example Attraction2D so that the drag increases from half of the screen(world), making the particles appear to be falling into water. Is it possible to create two different mediums whose drag va…

---

## [G4P multiple windows and noSmooth()](https://discourse.processing.org/t/g4p-multiple-windows-and-nosmooth/45690)

<div class="topic-metadata">

**Author:** [@joejoe](https://discourse.processing.org/u/joejoe)\
**Replies:** 8\
**Last updated:** [February 2, 2025, 5:38pm UTC](https://discourse.processing.org/t/g4p-multiple-windows-and-nosmooth/45690 "2025-02-02T17:38:17Z")

</div>

I’m trying to display different images in different G4P windows without smoothing the image as I need sharp edges. I have set the noSmooth() in the setup() just after the size() instruction for the main window. This wor…

---

## [Serial Library: Clarity needed on SerialEvent() comment](https://discourse.processing.org/t/serial-library-clarity-needed-on-serialevent-comment/45663)

<div class="topic-metadata">

**Author:** [@glv](https://discourse.processing.org/u/glv)\
**Replies:** 3\
**Last updated:** [February 1, 2025, 10:26pm UTC](https://discourse.processing.org/t/serial-library-clarity-needed-on-serialevent-comment/45663 "2025-02-01T22:26:20Z")

</div>

Hello folks! Can someone help provide clarity on a comment in the Serial library? The comment is here: processing/java/libraries/serial/src/processing/serial/Serial.java at master · processing/processing · GitHub and…

---

## [Trouble exporting music visualiser (vid not same length as song)](https://discourse.processing.org/t/trouble-exporting-music-visualiser-vid-not-same-length-as-song/45681)

<div class="topic-metadata">

**Author:** [@RevAustin](https://discourse.processing.org/u/RevAustin)\
**Replies:** 0\
**Last updated:** [January 29, 2025, 4:22pm UTC](https://discourse.processing.org/t/trouble-exporting-music-visualiser-vid-not-same-length-as-song/45681 "2025-01-29T16:22:47Z")

</div>

Heyyooo. I’ve put together a music visualiser based on the Minim FFT example that ‘reads’ the audio from the left and right channels, and managed to merge it with hamoid’s updated video export ‘withAudioViz’ example, bu…

---

## [How can I use the Processing Sound Library to visualise rhythm?](https://discourse.processing.org/t/how-can-i-use-the-processing-sound-library-to-visualise-rhythm/45678)

<div class="topic-metadata">

**Author:** [@nadine](https://discourse.processing.org/u/nadine)\
**Replies:** 0\
**Last updated:** [January 29, 2025, 10:40am UTC](https://discourse.processing.org/t/how-can-i-use-the-processing-sound-library-to-visualise-rhythm/45678 "2025-01-29T10:40:59Z")

</div>

Hi! I am working on a live sound visualiser that involves image processing. So far, I have only manage to find amplitude related coding examples in the Processing Sound Library, but little to none for rhythm – can anyon…

---

## [Morphing String using Geomerative library, bug on the iterations of the program](https://discourse.processing.org/t/morphing-string-using-geomerative-library-bug-on-the-iterations-of-the-program/45616)

<div class="topic-metadata">

**Author:** [@lolonulu](https://discourse.processing.org/u/lolonulu)\
**Replies:** 3\
**Last updated:** [January 20, 2025, 1:14pm UTC](https://discourse.processing.org/t/morphing-string-using-geomerative-library-bug-on-the-iterations-of-the-program/45616 "2025-01-20T13:14:14Z")

</div>

Hi, I wrote a program that uses Geomerative library in order to morph between different words that ends with “ire” and form a short poem, but when the program loops instead of repeating perfectly the animation, it bugs!…

---

## [Please help my Processing code. due to tomorrow!](https://discourse.processing.org/t/please-help-my-processing-code-due-to-tomorrow/30725)

<div class="topic-metadata">

**Author:** [@uniquenospace](https://discourse.processing.org/u/uniquenospace)\
**Replies:** 6\
**Last updated:** [January 9, 2025, 1:31pm UTC](https://discourse.processing.org/t/please-help-my-processing-code-due-to-tomorrow/30725 "2025-01-09T13:31:17Z")

</div>

I want to make program that press the button on the first screen to play the first video, and when I press key ‘s’ or ‘l’ on the screen, I want to make them show different videos, but it’s too hard because I haven’t lear…

[Previous page](https://discourse.processing.org/c/processing/processing-libraries/19.md?page=1)

[Next page](https://discourse.processing.org/c/processing/processing-libraries/19.md?page=3)