ROBERT-MCDOWELL

/*
	@fliptopbox
	
	LZW Compression/Decompression for Strings
	Implementation of LZW algorithms from:
	http://rosettacode.org/wiki/LZW_compression#JavaScript

	Usage:
	var a = 'a very very long string to be squashed';
	var b = a.compress(); // 'a veryāăąlong striċ to bečquashed'

ROBERT-MCDOWELL

var udp = require('dgram');

// --------------------creating a udp server --------------------

// creating a udp server
var server = udp.createSocket('udp4');

// emits when any error occurs
server.on('error',function(error){
  console.log('Error: ' + error);

ROBERT-MCDOWELL

# PeerTube Apache configuration version 24.1.6 (for PeerTube version 5.x only)

SSLSessionCache                 "shmcb:/usr/local/apache/logs/ssl_gcache_data(512000)"
SSLSessionCacheTimeout          87400
SSLStaplingCache                shmcb:logs/stapling-cache(150000)

# Please check your Apache installation features the following modules via 'apachectl -M':
# STANDARD HTTP MODULES: core_module, proxy_module, proxy_http2_module, proxy_wstunnel_module, proxy_http_module, headers_module, remoteip_module, ssl_module, filter_module, reqtimeout_module
# THIRD PARTY MODULES:   None.
# check https://ssl-config.mozilla.org/#server=apache&version=2.4.41&config=modern&openssl=1.1.1d&hsts=false&ocsp=false&guideline=5.6 for hardening security

ROBERT-MCDOWELL

const WIDTH = 176
const HEIGHT = 144

const progRGB = yuv420ProgPlanarToRgb(base64ToArrayBuffer(yuv420ProgPlanarImage()), WIDTH, HEIGHT)
const canvas = document.createElement("canvas")
document.body.appendChild(canvas)
const ctx = canvas.getContext("2d")
const imageData = ctx.createImageData(WIDTH, HEIGHT)
putRGBToRGBA(imageData.data, progRGB, WIDTH, HEIGHT)
ctx.putImageData(imageData, 0, 0)

ROBERT-MCDOWELL

function yuv2canvas(yuv, width, height, canvas) {
    /*
    canvas.width = width;
    canvas.height = height;
    */
    context    = canvas.getContext("2d");
    output     = context.createImageData(width, height);
    outputData = output.data;

    yOffset = 0;

ROBERT-MCDOWELL

const W = 640;   // video frame width
const H = 360;   // video frame height
const pixelData = await imageLoader("./seaside.png");  // get the pixel data of the backgroung image in RGBA format 

const buffer = new Uint8Array(W * H * 1.5); // byte buffer for the incoming frame in YUV 422 format
const bufferRGB = new Uint8Array(W * H * 4); // byte buffer for the result frame in RGBA format

const transformer = new TransformStream({
    async transform(videoFrame, controller) {
      const copyResult = await videoFrame.copyTo(buffer);

ROBERT-MCDOWELL

# PeerTube Apache configuration version 24.1.6 (for PeerTube version >= 6+ only)

SSLSessionCache			"shmcb:/usr/local/apache/logs/ssl_gcache_data(512000)"
SSLSessionCacheTimeout		87400
SSLStaplingCache		shmcb:logs/stapling-cache(150000)

# Please check your Apache installation features the following modules via 'apachectl -M':
# STANDARD HTTP MODULES: core_module, proxy_module, proxy_http2_module, proxy_wstunnel_module, proxy_http_module, headers_module, remoteip_module, ssl_module, filter_module, reqtimeout_module
# THIRD PARTY MODULES:   None.
# check https://ssl-config.mozilla.org/#server=apache&version=2.4.41&config=modern&openssl=1.1.1d&hsts=false&ocsp=false&guideline=5.6 for hardening security

ROBERT-MCDOWELL

var glRef = {};

function loadImage(src) {
  return new Promise((resolve, reject) => {
    const img = new Image();
    img.onload = () => {
      resolve(img);
    };
    img.src = src;
  });