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sbelldawson

I've tried using inputs to jit.gen to the scale object and using param, but do not hear any changes. Any help would be appreciated!

how-to-change-the-minout-maxout-arguments-of-the-scale-operators-from-outside-the-jitgen-object

How to change the min_out, max_out arguments of the scale operators from outside the jit.gen object

benjamin vyger

I have an offset with datas received in ESP32

Below I want to control one strip of 256 leds.

Here I send 768 datas (RGB)  + 1 datas ( "the row"  where pixels will be controlled)

As we can see, I receive several time r,g ,b and after there is an offset with datas.

I tested to send less datas, but it doesn't change the bug.

When these bugs are fixed, I would like to send with row 0 the R,G,B data to leds 0 to 255 and with row 1 to leds 256 to 512. (when there are two lines at [jit.noise 3 char 256 2])

#include <WiFi.h>
#include <WiFiUdp.h>
#include "esp_wifi.h"
WiFiUDP Udp;
 const unsigned int localPort = 8009; // UDP Port
 IPAddress local_IP(192, 168, 0, 9);
 IPAddress gateway(10, 10, 10, 1);
 IPAddress subnet(255, 255, 0, 0);

#define LED_BUILTIN 16
#define BUILTIN_LED LED_BUILTIN
#include <FastLED.h>
#define NUM_LEDS 256
#define PIN_CONTROLLING_STRIP 23
CRGB leds[NUM_LEDS];
uint8_t buffer[769];

void setup() {
Serial.begin(115200);
WiFi.mode(WIFI_STA); esp_wifi_set_ps(WIFI_PS_NONE); WiFi.config(local_IP, gateway, subnet);Udp.begin(localPort);
WiFi.begin("SFR-d078", "DEDW3VPARYGZ");// SSID & password
Serial.println("IP address: ");Serial.println(WiFi.localIP()); Serial.print("Local port: ");Serial.println(localPort);
FastLED.addLeds<NEOPIXEL, PIN_CONTROLLING_STRIP>(leds, NUM_LEDS); FastLED.setBrightness(180);
for (int i = 0; i <= NUM_LEDS; i++) {leds[i] = CRGB(0, 0, 0); // turn off all
FastLED.show();}
}

void loop() {Udp.parsePacket(); if(Udp.read(buffer, 769) > 0) {showit();Serial.println();}}

void showit(){int row = buffer[768]; Serial.print("row "); Serial.println(row);
for (int j = 0; j < 768; j++) {int pix = (j/3); // 768/3=256 led.
int r = (buffer[pix]); int g = (buffer[pix+1]); int b = (buffer[pix+2]);
 Serial.print ("r "); Serial.print (r); Serial.print ( " g "); Serial.print (g); Serial.print (" b "); Serial.print (b);}
}


sending 512 rgb pixels  to ESP 32 as  a ZIGZAG  strip of two 256 leds.  RESOLVED

sending-rgb-to-esp-32-to-control-led-strip

Eardrum Nibbler

For an art project of a friend he asked me if i could make a  patch where there is a live webcam input that is projected in a room with a delay on the output of the video.

The delay should be a minimum of 10 minutes and up to 30 minutes.

I had a try with the Delayr in Vizzie. There is only a delay of 120 frames.

I tryed to go into delayr to change this to 30 000 frames so I can get 10 minutes, but I am lost in the patch.

Maybe patching a delayr with 30 000 frames delay?

Hello, 

For an art project of a friend he asked me if i could make a  patch where there is a live webcam input that is projected in a room...

video-delay-with-jitter

video delay with jitter

filete

I'm learning shaders, so I tried to make my own lerp function.

l_erp(a,b,factor){
    return (a-factor + (b*factor));
}
Param fctr(0);
color1 = vec(1,0,0,1);
color2 = vec(0,1,0,1);
frag_color = l_erp(color1, color2, fctr;
out = frag_color;

Well, when doing [ a - factor ] and [ b  factor ] individually, it works; the problem happens when adding both. Also tried [ a- factor + b ] , and the result is the same as [ (a+b) -factor ].

However, i tried returning [a * factor + (b*(norm.x+factor)) ] and the result was as expected.

But when changing [ a * factor ... ] for [ a - factor ... ] it broke again, the second factor was not multiplying b.

I'm learning shaders, so I tried to make my own lerp function.

This is the codeblock in question:

l_erp(a,b,factor){
    return (a-factor...

jitglpixcodebox-function-return-incorrect-value

jit.gl.pix.codebox function return incorrect value.

manmusic

I can't seem to use mc.jit.movie ~. I have a video file with an encapsulated LRLsRs. mc.jit.movie ~ only comes out of stereo. mc.jit.movie ~ is not documented. I have an arguments: mc.jit.movie ~ 4 60000 1 @adapt 1 @autostart 0 @engine viddll.

I can't seem to use mc.jit.movie ~. I have a video file with an encapsulated LRLsRs. mc.jit.movie ~ only comes out of stereo. mc.jit.movie ~

mc-jit-movie~

Hey, I have the same problem. Only stereo instead of multichannel.
Any help?


currently jit.movie~ (and the mc variant) only support 2 channels of output.

Hey Manmusic, fantastic work around, thanks!
And thanks Rob to make it clear for the moment. 


would be very nice thow if mc.jit.movie~ could just output multichannel audio...

mc.jit.movie~

Marigold Maripol

I'd like to use basic matrix-style effects, like brcosa or rota - but apply them within jit.world.

I'm assuming in order to do this, I need to render my geometry onto a jit.gl.videoplane - but I'm not entirely sure what to do next.  If I understand correctly: if I output from videoplane as a matrix, I'm ostensibly using more CPU power, so it would be ideal to keep everything in the GPU territory.  Using jit.gl.slab, though, seems to want a matrix input. 

Is there an object/tutorial item that I'm missing? I am drawing a complete blank. 

Hi there- 
I'd like to use basic matrix-style effects, like brcosa or rota - but apply them within jit.world.

I'm assuming in order to do...

basic-fx-in-jitworldgl

Basic FX in jit.world/GL

i've attached an example here where there are two jit.gl.textures competing for the same space. i would like to be able to manipulate their size and distance, ideally with a "position" attribute - but the jit.gl.texture help file involves resizing the matrix and then sending to a jit.gl.videoplane. 

are there any easier ways of doing this? 

i've attached an example here where there are two jit.gl.textures competing for the same space. i would like to be able to manipulate their...

jitgltexture-precedence

jit.gl.texture precedence 

i noticed there are primitives available in jit.gen for torus, sphere,  cylinder, plane,  and cone - yet there is no "cube". i am curious why that is and whether there is a simple way to write one.

hi all- 

i noticed there are primitives available in jit.gen for torus, sphere,  cylinder, plane,  and cone - yet there is no "cube". i am...

creating-a-cube-with-jitgen

creating a cube with jit.gen

Jon Williams

I'm inspired by this and similar videos by same author.  The tutorial mostly covers implementing the "motion extraction" technique using DaVinci Resolve, and I successfully followed the steps using KDENLiVE, to a certain degree.

Now, I'm trying to duplicate and/or expand on the technique using Jitter, but I'm having trouble with the last couple of steps, "color correction" and "playful recombination" or whatever.

By default this example patch opens "broken" right where I'm stuck, but if you send the "drawto world" message to the videoplanes, the "extracted motion" from the chickens clip will appear in the jit.world window.  It's working correctly when you see almost all of the pixels in jit.world window colored middle grey (because top layer shader does "color inversion and 50% opaque alpha" ), so only the pixels portraying motion pop out of the grey field (because top layer is also delayed by 5 frames)

I think what I need to do next is recombine the videoplane texture data into a single jit.gl.slab (or what?) before the texture data goes to jit.world and then write a slab-shader that can identify those grey pixels, substitute different colors, and or make them 0% opaque, say.  But I'm not sure that should work and haven't successfully implemented the slab idea or stumbled on anything else that works.   Any thoughts, suggestions, or ideas?

Hi,

I'm inspired by this and similar videos by same author.  The tutorial mostly covers implementing the "motion extraction" technique...

extracting-motion-from-mostly-still-video-like-some-guy-on-youtube

Extracting Motion from mostly still video like some guy on YouTube

I have been experimenting a bit with jit.gen lately, but I think it would make some sense to convert my work into more standard code blocks. I know "codebox" exists as a code prompt - but is there a way to convert a pre-existing, patched bit of information into straight code? 

Hi there- 

I have been experimenting a bit with jit.gen lately, but I think it would make some sense to convert my work into more standard...

Jitter Forum