rileyjshaw

# Source: https://evilmartians.com/chronicles/better-web-video-with-av1-codec

# Encode as H.264. Reduce quality by increasing the CRF value. If you're looking for an output that is roughly "visually lossless" but not technically lossless, use a -crf value of around 17 or 18.
ffmpeg -i <SOURCE> -map_metadata -1 -c:a libfdk_aac -c:v libx264 -crf 28 -preset veryslow -profile:v main -pix_fmt yuv420p -movflags +faststart -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" video.h264.mp4

# Encode as AV1. Reduce quality by increasing the CP value.
ffmpeg -i <SOURCE> -map_metadata -1 -c:a libopus -c:v librav1e -qp 80 -tile-columns 2 -tile-rows 2 -pix_fmt yuv420p -movflags +faststart -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" video.av1.mp4

# Encode as HEVC. Reduce quality by increasing the CRF value.
ffmpeg -i <SOURCE> -map_metadata -1 -c:a libfdk_aac -c:v libx265 -crf 28 -preset veryslow -pix_fmt yuv420p -movflags +faststart -tag:v hvc1 -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" video.hevc.mp4

rileyjshaw

#!bin/bash
for d in */; do
  cd "$d"
  title=$(echo "$d" | sed 's/\./ /' | sed 's/ \[.*//g')
  echo "$title" | sed 's/FABRICLIVE/Fabric lyve/' | sed -r 's/\(([0-9]+)\)/in \1/g' | sed -r 's/ 0+([1-9][0-9]*)/ \1/g' | say -v Serena -o "00. Title.aiff"
  ffmpeg -i "00. Title.aiff" -acodec libmp3lame -ab 192000 -ar 44100 -ac 2 "00. Title.mp3"
  command ls -1 *.mp3 | sed s/\'/\'\\\\\'\'/g | awk '$0="file \047"$0"\047"' >> tracklist.txt
  ffmpeg -f concat -safe 0 -i tracklist.txt -c copy "../../Merged with titles/$title.mp3"
  rm "00. Title.aiff"
  rm "00. Title.mp3"

rileyjshaw

#!/bin/bash

# Shokz OpenSwim headphones (formerly AfterShokz Xtrainerz) have a bug where
# tracks are not played in alphabetical or track order. They are played in the
# order that they were copied to the device. Read more about the issue here:
# 
# - https://en.help.shokz.com/s/article/How-to-list-the-track-order-on-OpenSwim-formerly-Xtrainerz-OPENSWIM1408
# - https://en.help.shokz.com/s/get-article?urlName=how-to-list-tracks-order-EN
#
# After extensive testing, it seems that specifying transmission order alone is

rileyjshaw

#!/bin/bash
FILES=(*.mp3)
for i in "${!FILES[@]}"; do
  id3v2 -T "$((i + 1))/${#FILES[@]}" "${FILES[i]}"
done

rileyjshaw

#!/bin/bash
for d in */; do
  cd "$d"
  say "$d" -o "00. Title.aiff"
  lame -m m "00. Title.aiff" "00. Title.mp3"
  rm "00. Title.aiff"
  cd ..
done

rileyjshaw

#!/bin/bash
for i in {001..100}; do 
  say ${i##+(0)} -o "$i.aiff"
  lame -m m "$i.aiff" "$i.mp3"
  rm "$i.aiff"
done

rileyjshaw

#!/bin/bash
FILES=($(ls -tUr *.{png,jpeg}))
for i in "${!FILES[@]}"; do
  mv "${FILES[i]}" "$(printf "%02d.${FILES[i]##*.}" "$((i + 1))")"
done

rileyjshaw

#!/bin/bash

# Dependency: https://archive.org/services/docs/api/internetarchive/cli.html
# Usage example: ./download.sh byte-magazine
ia search "collection:$1" --itemlist | parallel 'ia download {} --glob="*.pdf"'

rileyjshaw

 mkdir -p woff && for f in *.ttf; do sfnt2woff "$f"; woff2_compress "$f"; done && mv *.woff* woff
 

rileyjshaw

/**
 * Parse takes a string and returns a nested array. The array nests
 * to a deeper level for each [[enclosed double bracket pair]].
 *
 * eg:
 *
 *   // Output: ['It goes ', ['deeper and ', ['deeper.']]]
 *   parse('It goes [[deeper and [[deeper.]]]]');
 */
function parse(str, startIdx = 0, isChild = false) {