100 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable file
		
	
	
	
	
			
		
		
	
	
			100 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable file
		
	
	
	
	
| #!/usr/bin/env cached-nix-shell
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| #! nix-shell -i bash -p ffmpeg slop
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| 
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| # Select a region and record it.
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| #
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| # If given a gif, it will record an mp4 and convert it afterwards using the
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| # mov2gif script included in this repo (which is powered by gifsicle and
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| # ffmpeg).
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| #
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| # Usage: scrrec somefile.mp4
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| #        scrrec another.gif
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| 
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| is_script=
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| geom=
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| delay=1
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| count=3
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| fps=30
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| stopfile=/tmp/_stop
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| while getopts c:d:f:g:ps opt; do
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|   case $opt in
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|     c) count=$OPTARG ;;
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|     d) delay="$OPTARG" ;;
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|     f) fps=$OPTARG ;;
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|     g) geom="$OPTARG" ;;
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|     p) picom= ;;
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|     s) is_script=1 ;;
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|   esac
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| done
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| shift $((OPTIND-1))
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| 
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| ##
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| select-region() {
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|   if [[ $geom ]]; then
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|     echo "${geom//[x+]/ }"
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|   else
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|     slop -nof "%w %h %x %y"
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|   fi
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| }
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| 
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| countdown() {
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|   if (( count > 0 )); then
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|     for ((i=count;i>0;i--)); do
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|       if [[ $is_script ]]; then
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|         notify-send -u critical -t 1000 "Recording in $i"
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|       else
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|         echo "Recording in $i"
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|       fi
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|       sleep 1
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|     done
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|   elif [[ $is_script ]]; then
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|     notify-send -u critical "Starting recording..."
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|   else
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|     echo "Started recording..."
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|   fi
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| }
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| 
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| recording-start() {
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|   local ffmpeg_opts="-y -f x11grab -show_region 1 -ss $delay -s ${4}x${5} -i :0.0+${2},${3} -framerate ${fps}"
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|   local dest=${1:-./rec.mp4}
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|   local mp4dest=
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|   [[ $dest == *.gif ]] && mp4dest="${dest%.*}.mp4"
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|   countdown
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|   ffmpeg $ffmpeg_opts "${mp4dest:-$dest}" &
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|   pid=$!
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|   echo $pid >$stopfile
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|   wait $pid
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|   rm -f $stopfile
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|   if [[ -f "$mp4dest" ]]; then
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|     mov2gif "$mp4dest" "$dest" && rm -fv "$mp4dest"
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|   fi
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|   echo -n "$dest" | xclip -selection clipboard -in
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|   notify-send "Screencast successful" "Saved to $dest\nAnd copied to your clipboard!"
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| }
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| 
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| 
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| # If a recording session is already active, stop that one.
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| if [[ -n "$is_script" && -f "$stopfile" ]]; then
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|   kill $(cat $stopfile)
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|   echo "Stopped previous recording"
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|   exit 0
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| fi
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| 
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| read -r W H X Y < <(select-region)
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| [[ -z "$W$H$X$Y" ]] && exit 1
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| 
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| # picom with blur and/or transparencies cause unbearable flickering in
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| # recordings, so temporarily disable it.
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| picom=
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| if systemctl is-enabled --user picom >/dev/null; then
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|   systemctl --user stop picom
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|   picom=1
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| fi
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| cleanup() { [[ $picom ]] && systemctl --user start picom; }
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| trap cleanup EXIT
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| 
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| # Let 'er rip
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| recording-start "$1" "$X" "$Y" "$W" "$H"
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| 
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| # vim:set ft=sh shiftwidth=2:
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