home/bin/screencast

   1 #!/bin/bash
   2
   3 set -e
   4 set -o pipefail
   5
   6 DIR=~/arc/vid/screencasts
   7 EXT=mkv
   8 #EXT=ogv # Low quality for some reason
   9
  10 main() {
  11     local response
  12     printf 'Proceed? (Y/n)\n'
  13     read -rsn 1 response
  14     case "$response" in
  15         '' | y | Y )
  16             true;;
  17         *)
  18             exit 1;;
  19     esac
  20
  21     local -r timestamp=$(date +'%Y-%m-%d--%H-%M-%S') || exit 1
  22     local -r file_name="screen--${timestamp}.$EXT"
  23     local -r file_path="$DIR"/"$file_name"
  24     local -r slop=$(slop -f '%x %y %w %h') || exit 1
  25
  26     mkdir -p "$DIR"
  27     read -r X Y W H <<< "$slop"
  28     ffmpeg -f x11grab -s "$W"x"$H" -i :0.0+"$X","$Y" -f pulse -ac 2 -i default "$file_path"
  29 }
  30
  31 main "$@"