# Libraries

**URL:** https://discourse.processing.org/c/processing/processing-libraries/19.md?page=8

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

**Page:** 9

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## [Video library archlinux libsoup errors](https://discourse.processing.org/t/video-library-archlinux-libsoup-errors/42821)

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**Author:** [@coding](https://discourse.processing.org/u/coding)\
**Replies:** 3\
**Last updated:** [September 26, 2023, 3:40pm UTC](https://discourse.processing.org/t/video-library-archlinux-libsoup-errors/42821 "2023-09-26T15:40:59Z")

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Greetings. Example video library sketches (Capture and Movie) all fail to run on archlinux with conflicting libsoup2 & libsoup3. I’d like to get them working, but cannot find a fix like here: Cant install gintro on Arch…

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## [Questions regarding complicated Processing stuff (Java Pen Tablet Access Library etc.)](https://discourse.processing.org/t/questions-regarding-complicated-processing-stuff-java-pen-tablet-access-library-etc/42817)

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**Author:** [@nuhuhwy](https://discourse.processing.org/u/nuhuhwy)\
**Replies:** 8\
**Last updated:** [September 24, 2023, 7:52pm UTC](https://discourse.processing.org/t/questions-regarding-complicated-processing-stuff-java-pen-tablet-access-library-etc/42817 "2023-09-24T19:52:10Z")

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I have a few question regarding processing in generall! :slight\_smile: Is it possible to show a progress bar on task manager window? Is it possible to make the app name be something different then “java openjdk 20”? I…

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## [Help to generate the good number of bullets (tower defense game)](https://discourse.processing.org/t/help-to-generate-the-good-number-of-bullets-tower-defense-game/42787)

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**Author:** [@Malcolm0609](https://discourse.processing.org/u/Malcolm0609)\
**Replies:** 4\
**Last updated:** [September 22, 2023, 7:06am UTC](https://discourse.processing.org/t/help-to-generate-the-good-number-of-bullets-tower-defense-game/42787 "2023-09-22T07:06:18Z")

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Hello everyone, as part of my studies, I need to create a small Processing game. I’ve decided to create a tower defense game with a fixed turret that automatically shoots at enemies approaching it. Unfortunately, I’m ha…

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## [FX2D mouseWheel getCount only returns zero](https://discourse.processing.org/t/fx2d-mousewheel-getcount-only-returns-zero/42814)

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**Author:** [@User442B](https://discourse.processing.org/u/User442B)\
**Replies:** 8\
**Last updated:** [September 22, 2023, 5:28am UTC](https://discourse.processing.org/t/fx2d-mousewheel-getcount-only-returns-zero/42814 "2023-09-22T05:28:06Z")

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I see that this issue has been reported before, but closed because it wasn’t replicated. I figured before I posted another Issue that I would see if anyone else ran into it. Here is a test sketch: color black = color(36…

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## [Window larger than expected with FX2D](https://discourse.processing.org/t/window-larger-than-expected-with-fx2d/42809)

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**Author:** [@User442B](https://discourse.processing.org/u/User442B)\
**Replies:** 2\
**Last updated:** [September 21, 2023, 9:07pm UTC](https://discourse.processing.org/t/window-larger-than-expected-with-fx2d/42809 "2023-09-21T21:07:20Z")

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I have noticed that the window size is not correct when setting the renderer to FX2D. My monitor’s resolution is 1920x1080, and when I run this sketch: color black = color(36,39,45); color green = color(141,187,110); im…

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## [Mirror and reflect left side movie to the right side](https://discourse.processing.org/t/mirror-and-reflect-left-side-movie-to-the-right-side/42788)

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**Author:** [@fatma90](https://discourse.processing.org/u/fatma90)\
**Replies:** 1\
**Last updated:** [September 19, 2023, 1:37pm UTC](https://discourse.processing.org/t/mirror-and-reflect-left-side-movie-to-the-right-side/42788 "2023-09-19T13:37:41Z")

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Hi, I have to reflect and mirror the half of the left video with the right one. I tried this code but when I activate the effect the video shows only the first frame and does not play. How can I play the video with the e…

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## [Frame export with a steady FPS](https://discourse.processing.org/t/frame-export-with-a-steady-fps/39433)

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**Author:** [@ssi\_karim](https://discourse.processing.org/u/ssi_karim)\
**Replies:** 12\
**Last updated:** [September 17, 2023, 8:23pm UTC](https://discourse.processing.org/t/frame-export-with-a-steady-fps/39433 "2023-09-17T20:23:58Z")

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Hi all, I have quite some experience with Processing and always loved it. However, I’m running into some trouble. I’m currently trying to create an audio-reactive (FFT) video clip. As this is a video clip, at the end of…

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## [Tablet library needs JavaFX but doesn't support FX2D](https://discourse.processing.org/t/tablet-library-needs-javafx-but-doesnt-support-fx2d/42772)

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**Author:** [@nuhuhwy](https://discourse.processing.org/u/nuhuhwy)\
**Replies:** 0\
**Last updated:** [September 16, 2023, 1:09pm UTC](https://discourse.processing.org/t/tablet-library-needs-javafx-but-doesnt-support-fx2d/42772 "2023-09-16T13:09:52Z")

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The tablet library needs javafx, but cant use javafx as a renderer, but i need javafx because opengl is slow. are there any alternatives?

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## [Transforming color image from webcam to grayscale image for analyse](https://discourse.processing.org/t/transforming-color-image-from-webcam-to-grayscale-image-for-analyse/42744)

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**Author:** [@animalfrommars](https://discourse.processing.org/u/animalfrommars)\
**Replies:** 2\
**Last updated:** [September 13, 2023, 11:02am UTC](https://discourse.processing.org/t/transforming-color-image-from-webcam-to-grayscale-image-for-analyse/42744 "2023-09-13T11:02:27Z")

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Preformatted text \`Hello, I need to analyse a grayscale image from webcam. I know that \*\*filter(GRAY)\*\* would do it for the display... but i also need to transform all the pixels. Could anyone tell me what is the best …

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## [Splitting webcam image onto 4 textures](https://discourse.processing.org/t/splitting-webcam-image-onto-4-textures/41124)

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**Author:** [@animalfrommars](https://discourse.processing.org/u/animalfrommars)\
**Replies:** 15\
**Last updated:** [September 13, 2023, 10:58am UTC](https://discourse.processing.org/t/splitting-webcam-image-onto-4-textures/41124 "2023-09-13T10:58:26Z")

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Hello every one, I’am trying to split a vidéo image from a webcam onto 4 different textures. It works BUT i don’t understand why the original image from the webcam slow down or stop… is my approach ok ? What did i miss…

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## [Inconsistent frame rate using saveFrame for Audio Visualisation](https://discourse.processing.org/t/inconsistent-frame-rate-using-saveframe-for-audio-visualisation/42751)

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**Author:** [@shaival](https://discourse.processing.org/u/shaival)\
**Replies:** 0\
**Last updated:** [September 12, 2023, 7:16pm UTC](https://discourse.processing.org/t/inconsistent-frame-rate-using-saveframe-for-audio-visualisation/42751 "2023-09-12T19:16:08Z")

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I am trying to create an audio visualiser using Processing sound library. And the visualiser runs okay while running the sketch but as soon as I use saveFrame, the frame rate drops considerably and the visuals are out of…

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## [Webcam Recording and Save - gray screen](https://discourse.processing.org/t/webcam-recording-and-save-gray-screen/42712)

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**Author:** [@fsdonato](https://discourse.processing.org/u/fsdonato)\
**Replies:** 2\
**Last updated:** [September 7, 2023, 8:28pm UTC](https://discourse.processing.org/t/webcam-recording-and-save-gray-screen/42712 "2023-09-07T20:28:08Z")

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I am learning to use the “processing.video” library. At first I managed to communicate with Webcam and export the application. In addition I had to create a “Windows64” folder inside the “LIB” folder and put the GStreame…

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## [Time displacement / slit-scan webcam looping issue](https://discourse.processing.org/t/time-displacement-slit-scan-webcam-looping-issue/42681)

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**Author:** [@codecduck](https://discourse.processing.org/u/codecduck)\
**Replies:** 0\
**Last updated:** [August 31, 2023, 12:03am UTC](https://discourse.processing.org/t/time-displacement-slit-scan-webcam-looping-issue/42681 "2023-08-31T00:03:26Z")

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I have this effect on the webcam that is creating a delayed portion that grows from bottom to top. I’m pretty beginner so I don’t know where to start. I’ve been trying to get it to just continually have the slit-scan eff…

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## [Help with Minim volume & other features](https://discourse.processing.org/t/help-with-minim-volume-other-features/42636)

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**Author:** [@nuhuhwy](https://discourse.processing.org/u/nuhuhwy)\
**Replies:** 3\
**Last updated:** [August 22, 2023, 11:36pm UTC](https://discourse.processing.org/t/help-with-minim-volume-other-features/42636 "2023-08-22T23:36:33Z")

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When i try to change the volume it says “Volume is not supported.” and i want to change the speed of the song! Is that possible?

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## [Tuio framework and movie with alpha channel](https://discourse.processing.org/t/tuio-framework-and-movie-with-alpha-channel/42644)

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**Author:** [@mrblade](https://discourse.processing.org/u/mrblade)\
**Replies:** 0\
**Last updated:** [August 22, 2023, 2:42pm UTC](https://discourse.processing.org/t/tuio-framework-and-movie-with-alpha-channel/42644 "2023-08-22T14:42:18Z")

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hi, i am new in this world. i use Tuio library. when a marker goes out then an effect starts in a video loop. A video flip and an addition of a mask with alpha channel. But this is not seen. I think it’s a problem on: …

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## [Linux: Processing exits when creating a video.Movie if using P2D or P3D](https://discourse.processing.org/t/linux-processing-exits-when-creating-a-video-movie-if-using-p2d-or-p3d/42627)

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**Author:** [@marton](https://discourse.processing.org/u/marton)\
**Replies:** 5\
**Last updated:** [August 21, 2023, 11:13am UTC](https://discourse.processing.org/t/linux-processing-exits-when-creating-a-video-movie-if-using-p2d-or-p3d/42627 "2023-08-21T11:13:43Z")

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Hi, I’m trying to play a video using the official video library on Linux (openSUSE tumbleweed). I noticed the following: if I try to run a sketch with P2D or P3D, doing new Movie(this, ...) causes Processing to exit, se…

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## [Issue with every Contributed Libraries! Other ERROR and (Target VM failed to initialize)](https://discourse.processing.org/t/issue-with-every-contributed-libraries-other-error-and-target-vm-failed-to-initialize/42610)

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**Author:** [@teemee](https://discourse.processing.org/u/teemee)\
**Replies:** 6\
**Last updated:** [August 18, 2023, 8:52am UTC](https://discourse.processing.org/t/issue-with-every-contributed-libraries-other-error-and-target-vm-failed-to-initialize/42610 "2023-08-18T08:52:04Z")

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Today I have discovered that my Processing not working so well with my Windows 10 on every sound libraries and I still can’t get gif animation to play. At first, I thought I only have an issue to be solved with …(Targe…

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## [Processing 4.3 Display GIF Image?](https://discourse.processing.org/t/processing-4-3-display-gif-image/42581)

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**Author:** [@teemee](https://discourse.processing.org/u/teemee)\
**Replies:** 9\
**Last updated:** [August 18, 2023, 7:02am UTC](https://discourse.processing.org/t/processing-4-3-display-gif-image/42581 "2023-08-18T07:02:34Z")

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I’d like to display a simple gif image. The PDE 3.x.x works with the library “gifAnimation”, as I recalled I have done it. But, PDE 4 does not work with the lib. Maybe, I just dont know how to make it work. So is there …

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## [\[SOLVED\] I get a NullPointerException when switching from the default rendering technique to JavaFX 2D](https://discourse.processing.org/t/solved-i-get-a-nullpointerexception-when-switching-from-the-default-rendering-technique-to-javafx-2d/42601)

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**Author:** [@MrImskiy](https://discourse.processing.org/u/MrImskiy)\
**Replies:** 8\
**Last updated:** [August 17, 2023, 12:12pm UTC](https://discourse.processing.org/t/solved-i-get-a-nullpointerexception-when-switching-from-the-default-rendering-technique-to-javafx-2d/42601 "2023-08-17T12:12:52Z")

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Hi everyone, I have a huge code of about 4000 lines, which works fine, except for the rendering speed. For this reason, I decided to switch from the default rendering technique to JavaFX 2D. I downloaded the library and…

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## [PShape Intersections](https://discourse.processing.org/t/pshape-intersections/32616)

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**Author:** [@TomD](https://discourse.processing.org/u/TomD)\
**Replies:** 22\
**Last updated:** [August 8, 2023, 10:19pm UTC](https://discourse.processing.org/t/pshape-intersections/32616 "2023-08-08T22:19:39Z")

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Hi there :wave: I’m using processing to generate SVG files for pen plotting. I have a PShape object which is a custom geometry, I would like to use that geometry as a mask/intersection or a boolean check to then draw a…

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## [Dropdown list generated with names of tabs in a xls file, and access the data of the tab](https://discourse.processing.org/t/dropdown-list-generated-with-names-of-tabs-in-a-xls-file-and-access-the-data-of-the-tab/42571)

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**Author:** [@lupitavictoria](https://discourse.processing.org/u/lupitavictoria)\
**Replies:** 2\
**Last updated:** [August 8, 2023, 8:39am UTC](https://discourse.processing.org/t/dropdown-list-generated-with-names-of-tabs-in-a-xls-file-and-access-the-data-of-the-tab/42571 "2023-08-08T08:39:08Z")

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How to create Dropdown list generated whit names of tabs in a xls file saved in the /data folder , and when I select a name in the dropdown list access the data inside de tab

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## [Color settings for Hamoid Video Export library (FFMPEG)](https://discourse.processing.org/t/color-settings-for-hamoid-video-export-library-ffmpeg/22320)

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**Author:** [@snaders](https://discourse.processing.org/u/snaders)\
**Replies:** 14\
**Last updated:** [August 5, 2023, 5:36pm UTC](https://discourse.processing.org/t/color-settings-for-hamoid-video-export-library-ffmpeg/22320 "2023-08-05T17:36:09Z")

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Hello all, I’m using the Hamoid Video Export library. It uses FFMPEG to export a video directly from Processing. I now have the problem that the colours don’t match up. It understand this has probably more to do with FF…

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## [MQTT with login/pass/port](https://discourse.processing.org/t/mqtt-with-login-pass-port/35665)

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**Author:** [@Seturian](https://discourse.processing.org/u/Seturian)\
**Replies:** 2\
**Last updated:** [August 3, 2023, 8:37am UTC](https://discourse.processing.org/t/mqtt-with-login-pass-port/35665 "2023-08-03T08:37:30Z")

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Greetings. For two days I tried to solve the problem on my own, but there are no results. I would like to use in my project MQTT (from HiveMQ) which uses hostname/port/login/password to connect. Currently, among the av…

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## [Play two movies with the microphone as trigger instead of mousepressed and released](https://discourse.processing.org/t/play-two-movies-with-the-microphone-as-trigger-instead-of-mousepressed-and-released/42521)

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**Author:** [@blindschleiche](https://discourse.processing.org/u/blindschleiche)\
**Replies:** 6\
**Last updated:** [August 1, 2023, 11:23am UTC](https://discourse.processing.org/t/play-two-movies-with-the-microphone-as-trigger-instead-of-mousepressed-and-released/42521 "2023-08-01T11:23:22Z")

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i would like to play two movies - the first one when it is quiet (this one as loop) and the second one when the microphone sends a noise (the second video should play once through). when another noise is comming, the sec…

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## [Minim get computer audio?](https://discourse.processing.org/t/minim-get-computer-audio/42520)

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**Author:** [@nuhuhwy](https://discourse.processing.org/u/nuhuhwy)\
**Replies:** 4\
**Last updated:** [July 30, 2023, 10:47pm UTC](https://discourse.processing.org/t/minim-get-computer-audio/42520 "2023-07-30T22:47:50Z")

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I wonder if its possible to get what the computer is playing, for example youtube from google chrome. I have this code that gets the microphone input. I dont know if it works 100% correctly but it kinda works, if someon…

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## [2D lineart - culling hidden lines for SVG output / Plotting](https://discourse.processing.org/t/2d-lineart-culling-hidden-lines-for-svg-output-plotting/30031)

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**Author:** [@mrWoodo](https://discourse.processing.org/u/mrWoodo)\
**Replies:** 13\
**Last updated:** [July 30, 2023, 8:23pm UTC](https://discourse.processing.org/t/2d-lineart-culling-hidden-lines-for-svg-output-plotting/30031 "2023-07-30T20:23:12Z")

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Hi All, I would like generatively create something like this, in a 2D lineart/doodle sketch style. Using PShape seems like the way to go, as a “Building” class with variants for Window, Roof, Door, etc (I’m a beginner…

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## [Movie pause and loop triggered by amplitude instead of mousePressed](https://discourse.processing.org/t/movie-pause-and-loop-triggered-by-amplitude-instead-of-mousepressed/42439)

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**Author:** [@blindschleiche](https://discourse.processing.org/u/blindschleiche)\
**Replies:** 18\
**Last updated:** [July 30, 2023, 5:14pm UTC](https://discourse.processing.org/t/movie-pause-and-loop-triggered-by-amplitude-instead-of-mousepressed/42439 "2023-07-30T17:14:01Z")

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the idea is, that the movie should show in a paused situation. when there is some noise recognised by the microphone, the movie should play and a red line shows up in front of the movie. as soon as there is no more noise…

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## [Speech Recognition (STT) with Minim library](https://discourse.processing.org/t/speech-recognition-stt-with-minim-library/42464)

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**Author:** [@glomb](https://discourse.processing.org/u/glomb)\
**Replies:** 1\
**Last updated:** [July 25, 2023, 9:58pm UTC](https://discourse.processing.org/t/speech-recognition-stt-with-minim-library/42464 "2023-07-25T21:58:26Z")

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Hi, I need a speech recognition system (speech to text) using Processing’s Minim library. I hope you can help me, Thanks

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## [Program for a museum using video and sound library](https://discourse.processing.org/t/program-for-a-museum-using-video-and-sound-library/42406)

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**Author:** [@rociodp](https://discourse.processing.org/u/rociodp)\
**Replies:** 9\
**Last updated:** [July 18, 2023, 10:20pm UTC](https://discourse.processing.org/t/program-for-a-museum-using-video-and-sound-library/42406 "2023-07-18T22:20:56Z")

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Hello forum :slight\_smile: . I have a problem with the program I’m developing. I’m a beginner in processing, and I’m working on an interactive program for a museum exhibition. It contains an array of approximately 20 vi…

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## [Need urgent help with Art-Net library](https://discourse.processing.org/t/need-urgent-help-with-art-net-library/42410)

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**Author:** [@yairkass](https://discourse.processing.org/u/yairkass)\
**Replies:** 4\
**Last updated:** [July 16, 2023, 8:05pm UTC](https://discourse.processing.org/t/need-urgent-help-with-art-net-library/42410 "2023-07-16T20:05:41Z")

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Hey all, I am a long time Processing user and am trying something that’s new for me. Unfortunately, it envolves a lot of stuff i’m still confused about. mainly, networks etc. Here is what I am trying to do: I am a f…

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