record.sh

#!/bin/bash
set -m

#**
# Screenrecorder script by Tonkku
# Credit goes to lots of Googling which finally brought me to
# https://www.reddit.com/r/i3wm/comments/7ahbvv/what_do_you_use_to_make_gif_screen_capture/dpavjo7
# Which was basically what I was doing originally but in a nicer form.
# Then I expanded it according to my original plans.
#
# Depends on
# - ffmpeg
# - slop (and the boxzoom shader)
# - curl
# - kdialog
# - xclip
#**

# Check if there's already a running recorder
if [ -f /tmp/recorder.pid ]; then
  notify-send --icon=dialog-error "Recorder is already running"
  exit 0
fi

# Set variables
TMP="$(mktemp -t screenrecording-XXXXXXXXXX.mkv)"
FILENAME="$(date '+%Y-%m-%d_%H-%M-%S')"
TMPGIF="/tmp/$FILENAME.gif"
UPLOADERKEY=""

# Select region and start recording
read -r X Y W H G ID < <(slop -f "%x %y %w %h %g %i" -r boxzoom)
ffmpeg -y -f x11grab -s "$W"x"$H" -i :0.0+$X,$Y -framerate 30 "$TMP" &
echo $! > /tmp/recorder.pid
fg

# Convert video to gif
notify-send --icon=dialog-information "Post-processing..."
ffmpeg -y -i "$TMP" -vf fps=10,palettegen /tmp/palette.png
ffmpeg -i "$TMP" -i /tmp/palette.png -filter_complex "paletteuse" $TMPGIF
notify-send --icon=dialog-information "Done. $(du -h $TMPGIF | awk '{print $1}')"

# Upload / Save
choice=$(kdialog --title "Choose action" --radiolist "Choose action" 1 "Save as..." on 2 "Upload to example.com" off)
if [ $choice -eq 1 ]; then
  # Save
  location=$(kdialog --title "Where should this recording be saved?" --getsavefilename $HOME/Desktop/$FILENAME.gif "GIF File (*.gif)")
  mv $TMPGIF $location
elif [ $choice -eq 2 ]; then
  notify-send --icon=dialog-information "Uploading..."
  REMOTE=$(curl -F "file=@$TMPGIF" -H "key: $UPLOADERKEY" https://example.com/upload)
  notify-send --icon=dialog-information "Uploaded. $REMOTE"
  echo -n $REMOTE | xclip -selection clipboard
else
  echo "Invalid option / cancel"
fi

# Clean up
trap "rm -f /tmp/recorder.pid && rm -f '$TMP' && rm -f '$TMPGIF' && rm /tmp/palette.png" 0

stop_record.sh

#!/bin/bash

#**
# Script used to stop the recording when using with keyboard shortcuts
#**

kill $(cat /tmp/recorder.pid)