121 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			121 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
#!/bin/sh
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# Usage:
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# `$0`: Ask for recording type via dmenu
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# `$0 screencast`: Record both audio and screen
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# `$0 video`: Record only screen
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# `$0 audio`: Record only audio
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# `$0 kill`: Kill existing recording
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#
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# If there is already a running instance, user will be prompted to end it.
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updateicon() { \
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	echo "$1" > /tmp/recordingicon
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	pkill -RTMIN+9 "${STATUSBAR:-dwmblocks}"
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	}
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killrecording() {
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	recpid="$(cat /tmp/recordingpid)"
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	# kill with SIGTERM, allowing finishing touches.
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	kill -15 "$recpid"
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	rm -f /tmp/recordingpid
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	updateicon ""
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	pkill -RTMIN+9 "${STATUSBAR:-dwmblocks}"
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	# even after SIGTERM, ffmpeg may still run, so SIGKILL it.
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	sleep 3
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	kill -9 "$recpid"
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	exit
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	}
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screencast() { \
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	ffmpeg -y \
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	-f x11grab \
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	-framerate 60 \
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	-s "$(xdpyinfo | grep dimensions | awk '{print $2;}')" \
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	-i "$DISPLAY" \
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	-r 30 \
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 	-c:v h264 -crf 0 -preset ultrafast -c:a aac \
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	"$HOME/screencast-$(date '+%y%m%d-%H%M-%S').mp4" &
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	echo $! > /tmp/recordingpid
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	updateicon "⏺️🎙️"
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       	}
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screencast_old() { \
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	ffmpeg -y \
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	-f x11grab \
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	-framerate 60 \
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	-s "$(xdpyinfo | grep dimensions | awk '{print $2;}')" \
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	-i "$DISPLAY" \
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	-f alsa -i default \
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	-r 30 \
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 	-c:v h264 -crf 0 -preset ultrafast -c:a aac \
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	"$HOME/screencast-$(date '+%y%m%d-%H%M-%S').mp4" &
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	echo $! > /tmp/recordingpid
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	updateicon "⏺️🎙️"
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       	}
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video() { ffmpeg \
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	-f x11grab \
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	-s "$(xdpyinfo | grep dimensions | awk '{print $2;}')" \
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	-i "$DISPLAY" \
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 	-c:v libx264 -qp 0 -r 30 \
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	"$HOME/video-$(date '+%y%m%d-%H%M-%S').mkv" &
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	echo $! > /tmp/recordingpid
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	updateicon "⏺️"
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	}
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webcamhidef() { ffmpeg \
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	-f v4l2 \
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	-i /dev/video0 \
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	-video_size 1920x1080 \
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	"$HOME/webcam-$(date '+%y%m%d-%H%M-%S').mkv" &
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	echo $! > /tmp/recordingpid
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	updateicon "🎥"
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	}
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webcam() { ffmpeg \
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	-f v4l2 \
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	-i /dev/video0 \
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	-video_size 640x480 \
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	"$HOME/webcam-$(date '+%y%m%d-%H%M-%S').mkv" &
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	echo $! > /tmp/recordingpid
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	updateicon "🎥"
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	}
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audio() { \
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	ffmpeg \
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	-f alsa -i default \
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	-c:a flac \
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	"$HOME/audio-$(date '+%y%m%d-%H%M-%S').flac" &
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	echo $! > /tmp/recordingpid
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	updateicon "🎙️"
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	}
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askrecording() { \
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	choice=$(printf "screencast\\nvideo\\naudio\\nwebcam\\nwebcam (hi-def)" | dmenu -i -p "Select recording style:")
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	case "$choice" in
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		screencast) screencast;;
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		audio) audio;;
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		video) video;;
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		webcam) webcam;;
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		"webcam (hi-def)") webcamhidef;;
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	esac
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	}
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asktoend() { \
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	response=$(printf "No\\nYes" | dmenu -i -p "Recording still active. End recording?") &&
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	[ "$response" = "Yes" ] &&  killrecording
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	}
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case "$1" in
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	screencast) screencast;;
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	audio) audio;;
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	video) video;;
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	kill) killrecording;;
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	*) ([ -f /tmp/recordingpid ] && asktoend && exit) || askrecording;;
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esac
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