gifify.sh

# Sweet Gif Creation from .mov
#
# Adapted from https://gist.github.com/SlexAxton/4989674
gifify() {
  if [[ -n "$1" ]]; then
    GIF="${1%.*}.gif"
    if [[ $2 == '--bad' ]]; then
      ffmpeg -i $1 -s 600x400 -pix_fmt rgb24 -r 10 -f gif - | gifsicle --optimize=3 --delay=3 > $GIF
    else
      ffmpeg -i $1 -r 10 -vcodec png out-static-%05d.png
      time convert -verbose +dither -layers Optimize -resize 600x600\> out-static*.png  GIF:- | gifsicle --colors 128 --delay=5 --loop --optimize=3 --multifile - > $GIF
      rm out-static*.png
    fi
  else
    echo "proper usage: gifify <input_movie.mov>. You DO need to include extension."
  fi
}

zREADME.md

Install

brew install ffmpeg
brew tap phinze/homebrew-cask
brew install brew-cask
brew cask install x-quartz
open /opt/homebrew-cask/Caskroom/x-quartz/2.7.4/XQuartz.pkg
brew install gifsicle
brew install imagemagick

Usage

Take screencast using Quicktime. Export as high quality as possible.

gifify screencap.mov
gifify screencap.mov --bad # lower quality

Default to --good from forked snippet and change file extension to .gif instead of .mov.gif.