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#!/bin/bash
SCREENCAST_PID_FILE="$HOME/.screencast-pid"
if [ -f "$SCREENCAST_PID_FILE" ]; then
notify-send "Stopping screencast"
pid=$(cat "$SCREENCAST_PID_FILE")
kill "$pid"
tail --pid="$pid" -f /dev/null
rm "$SCREENCAST_PID_FILE"
notify-send "Screencast stopped"
exit 0
fi
DIR="$HOME/Videos/screencasts/"
if [[ ! -d $DIR ]]; then
echo "Creating directory: $DIR"
mkdir -p $DIR
[[ $? = 1 ]] && notify-send "Couldn't create screencasts directory" && exit 1
fi
DATE=$(date +%Y-%m-%d-%H-%M-%S)
FILENAME="$DIR$DATE.mp4"
slop=$(slop -f "%x %y %w %h %g %i")
[[ $? = 1 ]] && notify-send "Screencast cancelled" && exit 1
# shellcheck disable=SC2034
read -r X Y W H G ID < <(echo "$slop")
[ ! $((W%2)) -eq 0 ] && W=$((W-1)); [ ! $((H%2)) -eq 0 ] && H=$((H-1))
selected_sources=$(zenity --list \
--column=select --column name --checklist --separator="\n" --multiple \
$(pactl list short sources | cut -f 2 | sed 's/^/select /'))
[[ $? = 1 ]] && notify-send "Screencast cancelled" && exit 1
sources_count=$(wc -l <<<$selected_sources)
print_source_ids() {
for source in $selected_sources; do
echo -n "-f pulse -thread_queue_size 2048 -i $(pactl list short sources | grep $source | cut -f 1) "
done
}
print_audio_args() {
[[ $sources_count = 1 ]] && print_source_ids
(( sources_count > 1 )) && echo -n "$(print_source_ids) -filter_complex amerge=inputs=$sources_count"
}
notify-send "Starting screencast"
touch "$HOME/.screencast-pid"
ffmpeg_args=" -y -probesize 10M -thread_queue_size 2048 -f x11grab -framerate 30 -s "$W"x"$H" -i :0.0+"$X","$Y" $(print_audio_args) -vf format=yuv420p -profile:v baseline "$FILENAME""
( (ffmpeg $ffmpeg_args ) & jobs -p > "$SCREENCAST_PID_FILE" )
while [ -f "$SCREENCAST_PID_FILE" ]; do
sleep 1
done
# xclip -selection clipboard -t video/mp4 "$FILENAME"
dragon-drag-and-drop "$FILENAME"
notify-send "Saved screencast" "$DATE.mp4"