# Libraries

**URL:** https://discourse.processing.org/c/processing/processing-libraries/19.md?page=38

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

**Page:** 39

---

## [Execute OSCsend only once within draw() function](https://discourse.processing.org/t/execute-oscsend-only-once-within-draw-function/21761)

<div class="topic-metadata">

**Author:** [@SaltyBoy](https://discourse.processing.org/u/SaltyBoy)\
**Replies:** 2\
**Last updated:** [June 11, 2020, 6:29pm UTC](https://discourse.processing.org/t/execute-oscsend-only-once-within-draw-function/21761 "2020-06-11T18:29:58Z")

</div>

For my Simon Game I want to execute a sound only once by sending a message to Pure Data (Pd), as soon as the color appear. Have you any tipps, how to do that? import oscP5.\*; import netP5.\*; OscP5 oscP5; NetAddress my…

---

## [Help me put static complex shapes in box2d](https://discourse.processing.org/t/help-me-put-static-complex-shapes-in-box2d/21736)

<div class="topic-metadata">

**Author:** [@yhlaskerimov](https://discourse.processing.org/u/yhlaskerimov)\
**Replies:** 1\
**Last updated:** [June 11, 2020, 5:15pm UTC](https://discourse.processing.org/t/help-me-put-static-complex-shapes-in-box2d/21736 "2020-06-11T17:15:26Z")

</div>

Hello everyone, help me please… I think everyone knows box2d library written by Shiffman. In his examples he adds boundaries only rectangle shape.I want to add a half circle to the edges of that rectangle. (From left a…

---

## [Load GIFs in processing 3](https://discourse.processing.org/t/load-gifs-in-processing-3/21743)

<div class="topic-metadata">

**Author:** [@HajarHadi](https://discourse.processing.org/u/HajarHadi)\
**Replies:** 4\
**Last updated:** [June 11, 2020, 2:50pm UTC](https://discourse.processing.org/t/load-gifs-in-processing-3/21743 "2020-06-11T14:50:10Z")

</div>

Hello im using processing 3 but i cant load the GIFs can anybody tell me how to load a GIFs in processing thank you very much

---

## [Can't get pixels out of my image](https://discourse.processing.org/t/cant-get-pixels-out-of-my-image/21733)

<div class="topic-metadata">

**Author:** [@marianalimoes](https://discourse.processing.org/u/marianalimoes)\
**Replies:** 2\
**Last updated:** [June 10, 2020, 7:30pm UTC](https://discourse.processing.org/t/cant-get-pixels-out-of-my-image/21733 "2020-06-10T19:30:23Z")

</div>

Hello kind people, I’m following Mr. Daniel Shiffman’s tutorial on blob detection (the first one) Here is the code I copied from his GitHub. I also have the Blob tab (exactly as his) and a DCapture class. Because my ca…

---

## [Pixel position synchronization error with face detector](https://discourse.processing.org/t/pixel-position-synchronization-error-with-face-detector/21592)

<div class="topic-metadata">

**Author:** [@panic](https://discourse.processing.org/u/panic)\
**Replies:** 4\
**Last updated:** [June 10, 2020, 12:34pm UTC](https://discourse.processing.org/t/pixel-position-synchronization-error-with-face-detector/21592 "2020-06-10T12:34:23Z")

</div>

Hello, I am trying to create a code that creates pixels on a video following the movement of the face detector. He managed to create the pixelated effect on the video but it stays in the upper corner and does not follow …

---

## [(Windows 10) How to use DirectShow to read camera image](https://discourse.processing.org/t/windows-10-how-to-use-directshow-to-read-camera-image/21689)

<div class="topic-metadata">

**Author:** [@marianalimoes](https://discourse.processing.org/u/marianalimoes)\
**Replies:** 4\
**Last updated:** [June 9, 2020, 2:43pm UTC](https://discourse.processing.org/t/windows-10-how-to-use-directshow-to-read-camera-image/21689 "2020-06-09T14:43:49Z")

</div>

Hello, I am new here in the forum, so I hope I’m posting this issue correctly. As it is already known in the microsoft surface community, some programs don’t read the camera correctly. Before, it used to happen with vid…

---

## [Help with Oscp5 library](https://discourse.processing.org/t/help-with-oscp5-library/21664)

<div class="topic-metadata">

**Author:** [@Txispas3](https://discourse.processing.org/u/Txispas3)\
**Replies:** 1\
**Last updated:** [June 8, 2020, 7:39am UTC](https://discourse.processing.org/t/help-with-oscp5-library/21664 "2020-06-08T07:39:58Z")

</div>

Hello, I have a problem with the oscp5 library. you will see I have a device that connects via bluetooth to a pc with windows 10 and sends data to a program but to the local ip 127.0.0.1 I use processing to read them bu…

---

## [Can I make a custom library with eclipse C++](https://discourse.processing.org/t/can-i-make-a-custom-library-with-eclipse-c/21542)

<div class="topic-metadata">

**Author:** [@AntiViral\_Builder](https://discourse.processing.org/u/AntiViral_Builder)\
**Replies:** 3\
**Last updated:** [June 7, 2020, 10:28pm UTC](https://discourse.processing.org/t/can-i-make-a-custom-library-with-eclipse-c/21542 "2020-06-07T22:28:47Z")

</div>

If there is a way of doing this could you please tell me how to do it. I know that I need eclipse and a library from GitHub, but how would I find it?

---

## [Multivideo player - breaks when replaying from start](https://discourse.processing.org/t/multivideo-player-breaks-when-replaying-from-start/21645)

<div class="topic-metadata">

**Author:** [@overFlow](https://discourse.processing.org/u/overFlow)\
**Replies:** 0\
**Last updated:** [June 7, 2020, 8:48am UTC](https://discourse.processing.org/t/multivideo-player-breaks-when-replaying-from-start/21645 "2020-06-07T08:48:53Z")

</div>

Hi. I am trying to create a multivideo player and have based mostly on this answer. I’m using Processing on Debian 10 with the beta video library recommended for Linux. Playing my 4 videos the first time works fine, but…

---

## [Set volume of this example with Minim](https://discourse.processing.org/t/set-volume-of-this-example-with-minim/21628)

<div class="topic-metadata">

**Author:** [@bking](https://discourse.processing.org/u/bking)\
**Replies:** 1\
**Last updated:** [June 7, 2020, 8:41am UTC](https://discourse.processing.org/t/set-volume-of-this-example-with-minim/21628 "2020-06-07T08:41:31Z")

</div>

Hello, I would like to set the volume of this example. For example I would like to set the volume with mouse Y rather than resonance. I think it is easy but I block. :face\_with\_raised\_eyebrow: // import everything nec…

---

## [Making a PGraphics filled with points (grade of white is based on the amplitude) and texture that to the ever evolving arc](https://discourse.processing.org/t/making-a-pgraphics-filled-with-points-grade-of-white-is-based-on-the-amplitude-and-texture-that-to-the-ever-evolving-arc/21561)

<div class="topic-metadata">

**Author:** [@inzn](https://discourse.processing.org/u/inzn)\
**Replies:** 2\
**Last updated:** [June 6, 2020, 7:13pm UTC](https://discourse.processing.org/t/making-a-pgraphics-filled-with-points-grade-of-white-is-based-on-the-amplitude-and-texture-that-to-the-ever-evolving-arc/21561 "2020-06-06T19:13:04Z")

</div>

I’m working on an audio visualisation that’s basically supposed to be a circular spectrogram. I have a graph that shows the frequency already and an arc, that evolves based on the time passed. Now I would like to fill th…

---

## [About Processing Tools](https://discourse.processing.org/t/about-processing-tools/21565)

<div class="topic-metadata">

**Author:** [@wwave](https://discourse.processing.org/u/wwave)\
**Replies:** 2\
**Last updated:** [June 5, 2020, 6:11pm UTC](https://discourse.processing.org/t/about-processing-tools/21565 "2020-06-05T18:11:40Z")

</div>

Hi, Is there any tools in Processing that I have a list in a window which I have many options? For example, in the list, I have introduction option, relazation option and etc. I can slide the slider. When I choose one …

---

## [Beginner who can use some help](https://discourse.processing.org/t/beginner-who-can-use-some-help/21505)

<div class="topic-metadata">

**Author:** [@Student](https://discourse.processing.org/u/Student)\
**Replies:** 5\
**Last updated:** [June 5, 2020, 10:18am UTC](https://discourse.processing.org/t/beginner-who-can-use-some-help/21505 "2020-06-05T10:18:28Z")

</div>

Hey! Im currently working on a small project, for which I need a certain function which I just don’t seem to get working. I am working with motion tracking. Within the code, I try to change the color of the screen, the …

---

## [Getting position from playNote (Minim)](https://discourse.processing.org/t/getting-position-from-playnote-minim/21360)

<div class="topic-metadata">

**Author:** [@tribblesontoast](https://discourse.processing.org/u/tribblesontoast)\
**Replies:** 14\
**Last updated:** [June 4, 2020, 4:43pm UTC](https://discourse.processing.org/t/getting-position-from-playnote-minim/21360 "2020-06-04T16:43:26Z")

</div>

Hi all, I’m using the Minim Library to play music using the playNotes() function. My question is twofold: What structure is the playNote function populating? (is it an array?) How do I get the position within this st…

---

## [Anybody have looking at multiple java files; I have a fix for this but I can't get it to work on mac](https://discourse.processing.org/t/anybody-have-looking-at-multiple-java-files-i-have-a-fix-for-this-but-i-cant-get-it-to-work-on-mac/21545)

<div class="topic-metadata">

**Author:** [@AntiViral\_Builder](https://discourse.processing.org/u/AntiViral_Builder)\
**Replies:** 2\
**Last updated:** [June 4, 2020, 9:01am UTC](https://discourse.processing.org/t/anybody-have-looking-at-multiple-java-files-i-have-a-fix-for-this-but-i-cant-get-it-to-work-on-mac/21545 "2020-06-04T09:01:29Z")

</div>

I filnally got this done. Remember that it is made for mac so with windows you need C:\\ as a root path and to add ‘’ to the path which is ‘\\’ . it will not start in the root path. it might take a while to display the fi…

---

## [Image error with face detector( noob question)](https://discourse.processing.org/t/image-error-with-face-detector-noob-question/21536)

<div class="topic-metadata">

**Author:** [@panic](https://discourse.processing.org/u/panic)\
**Replies:** 2\
**Last updated:** [June 3, 2020, 11:35pm UTC](https://discourse.processing.org/t/image-error-with-face-detector-noob-question/21536 "2020-06-03T23:35:26Z")

</div>

please format code with \</\> button \* homework policy \* asking questions Hello, I am trying to put an image instead of a square in the face detector code and on a video and it gives me error the image is too big, it d…

---

## [Having trouble adding a window](https://discourse.processing.org/t/having-trouble-adding-a-window/21384)

<div class="topic-metadata">

**Author:** [@AntiViral\_Builder](https://discourse.processing.org/u/AntiViral_Builder)\
**Replies:** 2\
**Last updated:** [June 3, 2020, 6:26pm UTC](https://discourse.processing.org/t/having-trouble-adding-a-window/21384 "2020-06-03T18:26:00Z")

</div>

Hello There, I am having trouble creating another window using G4P. I can add my controls, but I cannot add my content unless I make two windows. Of course I only want one, how do I make my controls compatible with my c…

---

## [About G4P GUI Builder](https://discourse.processing.org/t/about-g4p-gui-builder/21492)

<div class="topic-metadata">

**Author:** [@SouSageYa](https://discourse.processing.org/u/SouSageYa)\
**Replies:** 9\
**Last updated:** [June 2, 2020, 10:30pm UTC](https://discourse.processing.org/t/about-g4p-gui-builder/21492 "2020-06-02T22:30:43Z")

</div>

So here is the thing I want to combine both of the windows. Is there a way

---

## [Control volume with Minim Library](https://discourse.processing.org/t/control-volume-with-minim-library/21055)

<div class="topic-metadata">

**Author:** [@bking](https://discourse.processing.org/u/bking)\
**Replies:** 3\
**Last updated:** [June 3, 2020, 2:56pm UTC](https://discourse.processing.org/t/control-volume-with-minim-library/21055 "2020-06-03T14:56:59Z")

</div>

Hello, I would like to set volume of different audio output with mini library. Thanks

---

## [FrameRate drop when I play movie](https://discourse.processing.org/t/framerate-drop-when-i-play-movie/21480)

<div class="topic-metadata">

**Author:** [@OohYuma](https://discourse.processing.org/u/OohYuma)\
**Replies:** 4\
**Last updated:** [June 2, 2020, 7:43am UTC](https://discourse.processing.org/t/framerate-drop-when-i-play-movie/21480 "2020-06-02T07:43:40Z")

</div>

ArrayList\<Integer\> x = new ArrayList\<Integer\>(), y = new ArrayList\<Integer\>(); import processing.sound.\*; SoundFile file; import processing.video.\*; Movie movie; void setup() { size(400, 450); background(0); x.add…

---

## [Is it possible to add charts or some values into a new window created by G4P?](https://discourse.processing.org/t/is-it-possible-to-add-charts-or-some-values-into-a-new-window-created-by-g4p/21472)

<div class="topic-metadata">

**Author:** [@SouSageYa](https://discourse.processing.org/u/SouSageYa)\
**Replies:** 2\
**Last updated:** [June 1, 2020, 10:09am UTC](https://discourse.processing.org/t/is-it-possible-to-add-charts-or-some-values-into-a-new-window-created-by-g4p/21472 "2020-06-01T10:09:39Z")

</div>

I could manage to open a new window with G4P. But I couldnt figure out how to add values or charts boxes or something. Is there a way

---

## [Homework Help! Getting random string from array](https://discourse.processing.org/t/homework-help-getting-random-string-from-array/21420)

<div class="topic-metadata">

**Author:** [@JoshuaStark](https://discourse.processing.org/u/JoshuaStark)\
**Replies:** 1\
**Last updated:** [May 30, 2020, 6:23am UTC](https://discourse.processing.org/t/homework-help-getting-random-string-from-array/21420 "2020-05-30T06:23:14Z")

</div>

I need to get a random greeting from my array using their index and display that random greeting when I press the button and it needs to be done in my greeting function. import controlP5.\*; ControlP5 cp5; controlP5.Bu…

---

## [Processing input microphone](https://discourse.processing.org/t/processing-input-microphone/21440)

<div class="topic-metadata">

**Author:** [@Vickydcl](https://discourse.processing.org/u/Vickydcl)\
**Replies:** 1\
**Last updated:** [May 31, 2020, 11:49am UTC](https://discourse.processing.org/t/processing-input-microphone/21440 "2020-05-31T11:49:08Z")

</div>

Hi! I want to use my microphone (audio input) and then calculate the amplitude (volume) and frequency of my voice (the idea is using this values and then map them). I’ve been researching in minim library but i’m a littl…

---

## [Fluctuating Signals - Filtering](https://discourse.processing.org/t/fluctuating-signals-filtering/21388)

<div class="topic-metadata">

**Author:** [@rkk16](https://discourse.processing.org/u/rkk16)\
**Replies:** 4\
**Last updated:** [May 29, 2020, 5:17pm UTC](https://discourse.processing.org/t/fluctuating-signals-filtering/21388 "2020-05-29T17:17:35Z")

</div>

I’m receiving a realtime continuous set of float values from a measurement, I need to be able to detect large changes however there are several small fluctuations too that aren’t due to any underlying pattern other than …

---

## [Protocol communication beginner - how to use OSC to output from a python program to processing sketch?](https://discourse.processing.org/t/protocol-communication-beginner-how-to-use-osc-to-output-from-a-python-program-to-processing-sketch/21285)

<div class="topic-metadata">

**Author:** [@rkk16](https://discourse.processing.org/u/rkk16)\
**Replies:** 3\
**Last updated:** [May 28, 2020, 3:18pm UTC](https://discourse.processing.org/t/protocol-communication-beginner-how-to-use-osc-to-output-from-a-python-program-to-processing-sketch/21285 "2020-05-28T15:18:56Z")

</div>

Hi, I’m a total beginner in using OSC, I don’t fully understand how it works even. Could someone please explain how I could output values from a Python program and receive them in my processing sketch. For example, a pyt…

---

## [About GUI Builder in Processing](https://discourse.processing.org/t/about-gui-builder-in-processing/20699)

<div class="topic-metadata">

**Author:** [@wwave](https://discourse.processing.org/u/wwave)\
**Replies:** 16\
**Last updated:** [May 28, 2020, 7:46am UTC](https://discourse.processing.org/t/about-gui-builder-in-processing/20699 "2020-05-28T07:46:38Z")

</div>

Hi everyone: I have some problems in using GUI Builder in Processing, could someone can help me solve them? Thank you. I have downlad the G4PTool V4.4.1.zip and put it in Procssing/tools folder, and I restart Procssing…

---

## [Ubuntu Studio 19.10 / Having problem with video library](https://discourse.processing.org/t/ubuntu-studio-19-10-having-problem-with-video-library/21345)

<div class="topic-metadata">

**Author:** [@pundes](https://discourse.processing.org/u/pundes)\
**Replies:** 1\
**Last updated:** [May 27, 2020, 11:20pm UTC](https://discourse.processing.org/t/ubuntu-studio-19-10-having-problem-with-video-library/21345 "2020-05-27T23:20:29Z")

</div>

I have installed processing-3.5.4 when ever I am trying to use the video library it is showing an error message: a library used by this sketch is not installed properly. UnsatisfiedLinkError: Error looking up function…

---

## [Message Queue with oscP5 not treating messages as objects](https://discourse.processing.org/t/message-queue-with-oscp5-not-treating-messages-as-objects/21328)

<div class="topic-metadata">

**Author:** [@Merk](https://discourse.processing.org/u/Merk)\
**Replies:** 2\
**Last updated:** [May 27, 2020, 1:40pm UTC](https://discourse.processing.org/t/message-queue-with-oscp5-not-treating-messages-as-objects/21328 "2020-05-27T13:40:22Z")

</div>

Hi, Long story, but I’m trying to implement a queue handler for incoming OSC messages, as I’m getting concurrency issues. There was a really helpful example from feb 2016 on the archived forum where user GoToLoop provi…

---

## [Python help? Export OSC data to Processing](https://discourse.processing.org/t/python-help-export-osc-data-to-processing/21326)

<div class="topic-metadata">

**Author:** [@rkk16](https://discourse.processing.org/u/rkk16)\
**Replies:** 3\
**Last updated:** [May 27, 2020, 1:20pm UTC](https://discourse.processing.org/t/python-help-export-osc-data-to-processing/21326 "2020-05-27T13:20:37Z")

</div>

Hey I’m relatively new to all of this, especially Python. But I essentially need some data from a Python program. The full code is in this github repo: https://github.com/omar178/Emotion-recognition#p1. But essentially …

---

## [Start Application: loading page](https://discourse.processing.org/t/start-application-loading-page/21114)

<div class="topic-metadata">

**Author:** [@eduzal](https://discourse.processing.org/u/eduzal)\
**Replies:** 4\
**Last updated:** [May 27, 2020, 12:08am UTC](https://discourse.processing.org/t/start-application-loading-page/21114 "2020-05-27T00:08:13Z")

</div>

Hi. I’m trying to make my Corona Viz application public. A public beta. It takes a while to load, big tables(getting bigger every day) and a lot of parsing. I want to do a loading page, with a console, to give feedback…

[Previous page](https://discourse.processing.org/c/processing/processing-libraries/19.md?page=37)

[Next page](https://discourse.processing.org/c/processing/processing-libraries/19.md?page=39)