mreinstein

import { RingBuffer } from "ringbuf.js";
import { Worker } from "worker_threads";


// https://github.com/padenot/ringbuf.js/blob/main/js/ringbuf.js
// https://github.com/padenot/ringbuf.js/blob/main/tests/test.mjs


async function main () {
    const arraySize = Math.round(Math.random() * 48000);

mreinstein

building on macos

Get all of the deps from brew:

brew update
brew upgrade
brew install hg git go cmake ninja

mreinstein

# how to generate hls outputs
#        from https://ottverse.com/hls-packaging-using-ffmpeg-live-vod/
#        had to make a slight adjustment for zsh by wrapping quotes around the -map params, as explained in https://stackoverflow.com/a/60290103/1927767

ffmpeg -i input.mp4 \
-filter_complex \
"[0:v]split=3[v1][v2][v3]; \
[v1]copy[v1out]; [v2]scale=w=960:h=540[v2out]; [v3]scale=w=480:h=270[v3out]" \
-map "[v1out]" -c:v:0 libx264 -x264-params "nal-hrd=cbr:force-cfr=1" -b:v:0 5M -maxrate:v:0 5M -minrate:v:0 5M -bufsize:v:0 10M -preset slow -g 48 -sc_threshold 0 -keyint_min 48 \
-map "[v2out]" -c:v:1 libx264 -x264-params "nal-hrd=cbr:force-cfr=1" -b:v:1 3M -maxrate:v:1 3M -minrate:v:1 3M -bufsize:v:1 3M -preset slow -g 48 -sc_threshold 0 -keyint_min 48 \

mreinstein

# resize
ffmpeg -i input.mp4 -vf scale=1920:1080 output.mp4

# resize with high quality
ffmpeg -i input.mp4 -vf scale=1920:1080 -preset slow -crf 18 output.mp4

mreinstein

ffprobe -v error -select_streams v:0 -show_entries stream=width,height -of csv=s=x:p=0 input.mp4

mreinstein

brew install ffmpeg --with-fdk-aac
ffmpeg -i movie.avi movie.mp4

mreinstein

brew install imagemagick

mogrify -resize 50% -format png *

mreinstein

media-consolidator

script to consolidate and clean up media on my computer

# copy all known places where photos exist to input/
# preserve metadata when doing the copy (modification timestamps, etc.)
cp -rp ~/Pictures/* input/
cp -rp ~/Documents/Photos/* input/ 

mreinstein

let level = require('./level.js')


// given a tiled level that references a tileset of certain dimensions, update to a tileset of different dimensions

let idx = -1

const locations = [ ]

do {

mreinstein

function createDiscreteProblem () {
	return {
		allAssignments: [ ],
		variables: { },
		constraints: [ ]
	}
}