123 lines
2.6 KiB
Bash
Executable file
123 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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getdim() { xrandr | grep -oP '(?<=current ).*(?=,)' | tr -d ' ' ;}
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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="$(cat /tmp/recordingpid)"
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kill -15 "$recpid"
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rm -f /tmp/recordingpid
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updateicon ""
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pkill -RTMIN+9 "${STATUSBAR:-dwmblocks}"
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}
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screencast() { \
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ffmpeg -y \
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-f x11grab \
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-framerate 30 \
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-s "$(getdim)" \
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-i "$DISPLAY" \
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-r 24 \
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-use_wallclock_as_timestamps 1 \
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-f alsa -thread_queue_size 1024 -i default \
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-c:v h264 \
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-crf 0 -preset ultrafast -c:a aac \
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"$HOME/screencast-$(date '+%y%m%d-%H%M-%S').mp4" &
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echo $! > /tmp/recordingpid
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updateicon "⏺️🎙️"
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}
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video() { ffmpeg \
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-f x11grab \
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-framerate 30 \
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-s "$(getdim)" \
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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\\nvideo selected\\naudio\\nwebcam\\nwebcam (hi-def)" | dmenu -i -p "Select recording style:")
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case "$choice" in
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screencast) screencast;;
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audio) audio;;
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video) video;;
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*selected) videoselected;;
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webcam) webcam;;
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"webcam (hi-def)") webcamhidef;;
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esac
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}
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asktoend() { \
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response=$(printf "No\\nYes" | dmenu -i -p "Recording still active. End recording?") &&
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[ "$response" = "Yes" ] && killrecording
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}
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videoselected()
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{
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slop -f "%x %y %w %h" > /tmp/slop
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read -r X Y W H < /tmp/slop
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rm /tmp/slop
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ffmpeg \
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-f x11grab \
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-framerate 30 \
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-video_size "$W"x"$H" \
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-i :0.0+"$X,$Y" \
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-c:v libx264 -qp 0 -r 30 \
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"$HOME/box-$(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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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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*selected) videoselected;;
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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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