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dmenurecord (2672B)

      1 #!/bin/sh
      2 
      3 # Usage:
      4 # `$0`: Ask for recording type via dmenu
      5 # `$0 screencast`: Record both audio and screen
      6 # `$0 video`: Record only screen
      7 # `$0 audio`: Record only audio
      8 # `$0 kill`: Kill existing recording
      9 #
     10 # If there is already a running instance, user will be prompted to end it.
     11 
     12 getdim() { xrandr | grep -oP '(?<=current ).*(?=,)' | tr -d ' ' ;}
     13 
     14 updateicon() { \
     15 	echo "$1" > /tmp/recordingicon
     16 	pkill -RTMIN+9 "${STATUSBAR:-dwmblocks}"
     17 	}
     18 
     19 killrecording() {
     20 	recpid="$(cat /tmp/recordingpid)"
     21 	kill -15 "$recpid"
     22 	rm -f /tmp/recordingpid
     23 	updateicon ""
     24 	pkill -RTMIN+9 "${STATUSBAR:-dwmblocks}"
     25 	}
     26 
     27 screencast() { \
     28 	ffmpeg -y \
     29 	-f x11grab \
     30 	-framerate 30 \
     31 	-s "$(getdim)" \
     32 	-i "$DISPLAY" \
     33 	-r 24 \
     34 	-use_wallclock_as_timestamps 1 \
     35 	-f alsa -thread_queue_size 1024 -i default \
     36  	-c:v h264 \
     37 	-crf 0 -preset ultrafast -c:a aac \
     38 	"$HOME/screencast-$(date '+%y%m%d-%H%M-%S').mp4" &
     39 	echo $! > /tmp/recordingpid
     40 	updateicon "⏺️🎙️"
     41        	}
     42 
     43 video() { ffmpeg \
     44 	-f x11grab \
     45 	-framerate 30 \
     46 	-s "$(getdim)" \
     47 	-i "$DISPLAY" \
     48  	-c:v libx264 -qp 0 -r 30 \
     49 	"$HOME/video-$(date '+%y%m%d-%H%M-%S').mkv" &
     50 	echo $! > /tmp/recordingpid
     51 	updateicon "⏺️"
     52 	}
     53 
     54 webcamhidef() { ffmpeg \
     55 	-f v4l2 \
     56 	-i /dev/video0 \
     57 	-video_size 1920x1080 \
     58 	"$HOME/webcam-$(date '+%y%m%d-%H%M-%S').mkv" &
     59 	echo $! > /tmp/recordingpid
     60 	updateicon "🎥"
     61 	}
     62 
     63 webcam() { ffmpeg \
     64 	-f v4l2 \
     65 	-i /dev/video0 \
     66 	-video_size 640x480 \
     67 	"$HOME/webcam-$(date '+%y%m%d-%H%M-%S').mkv" &
     68 	echo $! > /tmp/recordingpid
     69 	updateicon "🎥"
     70 	}
     71 
     72 
     73 audio() { \
     74 	ffmpeg \
     75 	-f alsa -i default \
     76 	-c:a flac \
     77 	"$HOME/audio-$(date '+%y%m%d-%H%M-%S').flac" &
     78 	echo $! > /tmp/recordingpid
     79 	updateicon "🎙️"
     80 	}
     81 
     82 askrecording() { \
     83 	choice=$(printf "screencast\\nvideo\\nvideo selected\\naudio\\nwebcam\\nwebcam (hi-def)" | dmenu -i -p "Select recording style:")
     84 	case "$choice" in
     85 		screencast) screencast;;
     86 		audio) audio;;
     87 		video) video;;
     88 		*selected) videoselected;;
     89 		webcam) webcam;;
     90 		"webcam (hi-def)") webcamhidef;;
     91 	esac
     92 	}
     93 
     94 asktoend() { \
     95 	response=$(printf "No\\nYes" | dmenu -i -p "Recording still active. End recording?") &&
     96 	[ "$response" = "Yes" ] &&  killrecording
     97 	}
     98 
     99 videoselected()
    100 {
    101 	slop -f "%x %y %w %h" > /tmp/slop
    102 	read -r X Y W H < /tmp/slop
    103 	rm /tmp/slop
    104 
    105 	ffmpeg \
    106 	-f x11grab \
    107 	-framerate 30 \
    108 	-video_size "$W"x"$H" \
    109 	-i :0.0+"$X,$Y" \
    110 	-c:v libx264 -qp 0 -r 30 \
    111 	"$HOME/box-$(date '+%y%m%d-%H%M-%S').mkv" &
    112 	echo $! > /tmp/recordingpid
    113 	updateicon "⏺️"
    114 }
    115 
    116 case "$1" in
    117 	screencast) screencast;;
    118 	audio) audio;;
    119 	video) video;;
    120 	*selected) videoselected;;
    121 	kill) killrecording;;
    122 	*) ([ -f /tmp/recordingpid ] && asktoend && exit) || askrecording;;
    123 esac