gifcastgui.sh

#!/bin/bash
# This is a minimal frontend to byzanz-record that provides a gui for
# selecting a region or window and length of a gif screen-cast.
# Depends on xrectsel (part of ffcast), byzanz-record, zenity
# Most code stolen from Rob W and MHC http://askubuntu.com/a/201018

DELAY=5
DEFDUR=10
TIME=$(date +"%Y-%m-%d_%H%M%S")
USERDUR=$(gdialog --title "Duration?" --inputbox "Please enter the screencast duration in seconds" 200 100 2>&1)

if [ $USERDUR -gt 0 ]; then
    D=$USERDUR
else
    D=$DEFDUR
fi

MODE=$(zenity --list --text="Choose action" --hide-header --column a Window Area)

if [ $MODE == "Window|Window" ]; then
  XWININFO=$(xwininfo);
  X=$(echo $XWININFO | grep -Po '(?<=Absolute upper-left X: )[0-9]*');
  Y=$(echo $XWININFO | grep -Po '(?<=Absolute upper-left Y: )[0-9]*');
  W=$(echo $XWININFO | grep -Po '(?<=Width: )[0-9]*');
  H=$(echo $XWININFO | grep -Po '(?<=Height: )[0-9]*');

  notify-send "gifcastgui" "Recording will start in $DELAY seconds." -t 5000
  sleep $DELAY

  byzanz-record --verbose -c --delay=0 --x=$X --y=$Y --width=$W --height=$H --duration=$D "/tmp/gifcast_$TIME.gif"
  notify-send "gifcastgui" "Recording done" -t 5000
else
  AREA=$(xrectsel "--x=%x --y=%y --width=%w --height=%h") || exit -1

  notify-send "gifcastgui" "Recording will start in $DELAY seconds." -t 5000
  sleep $DELAY

  byzanz-record --verbose -c --delay=0 $AREA --duration=$D "/tmp/gifcast_$TIME.gif"
  notify-send "gifcastgui" "Recording done" -t 5000
fi