Graphical interface (zenity based shell script) for command line utility byzanz-record

byzanz-record-window

#!/bin/bash

# AUTHOR:   (c) [email protected] 2013.02.07.
# NAME:     byzanz window recorder 0.0.3
# DESCRIPTION:  A script to record GIF, OGV, FLV and WebM screencasts.
# LICENSE:  GNU GPL v3 (http://www.gnu.org/licenses/gpl.html)
# DEPENDENCIES:   byzanz, zenity
# Based on http://askubuntu.com/questions/107726/how-to-create-animated-gif-images-of-a-screencast

# Delay before starting
DELAY=6

# Recording duration
DURATION=600

# Icon of message windows
ICON=/usr/share/icons/gnome/16x16/actions/gtk-media-record.png

# Sound notification to let one know when recording is about to start and ends
beep() {
    paplay /usr/share/sounds/freedesktop/stereo/complete.oga
}

# Encapsulated byzanz-record command (with sound signals and delay)
komanda (){
	sleep $DELAY
	beep
	byzanz-record --verbose --cursor --delay=0 --duration=$DURATION --x=$X --y=$Y --width=$W --height=$H "$FAILS"
	beep
	exit 0
}

if [ $(command -v byzanz-record) ]; then
	echo "byzanz-record exists" 
else
	echo "Error: „byzanz-record” NOT FOUND in \$PATH." 
	exit 1
fi
if [ $(command -v zenity) ]; then
	echo "zenity exists" 
else
	echo "Error: „zenity” NOT FOUND in \$PATH." 
	exit 1
fi


FAILS=$(zenity \
	--title="Choose the file and directory for output (gif/flv/byzanz/ogg/ogv/webm)" \
	--window-icon=$ICON \
	--file-selection \
	--confirm-overwrite \
	--save)

if [ $FAILS ]; then
	echo The output will be written to $FAILS
	rm $FAILS
else
	echo "Error: No file selected for output."
	exit 1
fi

DURATION=$(zenity \
	--title="Chose the window to be recorded" \
	--window-icon=$ICON \
	--entry \
	--text="The window will be recorded with „byzanz”.\nAfter closing this window, You have to click\non a window to be recorded. Afterwards the record\nwill start in $DELAY seconds.\n\nThe record's duration in seconds:" \
	--ok-label="Record a window" \
	--cancel-label="Do nothing" \
	--entry-text=$DURATION )
if [ $DURATION ]; then
	if [ $DURATION  -le "3" ]; then
		echo "Error: Record duration  is set too small."
		exit 1
	else
		TIMEOUT=$(($DELAY + $DURATION + $DURATION * 3))
		LOGS=$(xwininfo -frame)
		read X < <(awk -F: '/Absolute upper-left X/{print $2}' <<< "$LOGS")
		read Y < <(awk -F: '/Absolute upper-left Y/{print $2}' <<< "$LOGS")
		read W < <(awk -F: '/Width/{print $2}' <<< "$LOGS")
		read H < <(awk -F: '/Height/{print $2}' <<< "$LOGS")
		
		komanda &
		zenity \
			--window-icon=$ICON \
			--text="The duration of the record is $DURATION seconds.\nBy closing this window the recording will be cancelled.\nIn this case ogg/ogv/webm will be truncated." \
			--timeout=$TIMEOUT \
			--progress \
			--percentage=100
		killall -e -w byzanz-record
		exit 13
	fi
else
	echo "Error: Program aborted."
	exit 1
fi

byzanz-record-window.desktop

[Desktop Entry]
Version=1.0
Encoding=UTF-8
Type=Application
Name=Byzanz window recorder
Name[lv]=Loga kopētājs
Comment=A script to record screencasts inside the selected  window
Comment[lv]=Ieraksta notiekošo uzrādītajā logā ar byzanz-record
Categories=Graphics;Utility;
Exec=byzanz-record-window
Icon=gtk-media-record
Terminal=false
StartupNotify=false