125 lines
2.6 KiB
Bash
Executable File
125 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 | awk '/dimensions/ {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 $! >/tmp/recordingpid
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updateicon "ﲠ"
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}
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video() {
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ffmpeg \
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-f x11grab \
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-s "$(xdpyinfo | awk '/dimensions/ {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 $! >/tmp/recordingpid
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updateicon "ﲣ"
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}
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webcamhidef() {
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ffmpeg \
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-f v4l2 \
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-i /dev/video0 \
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-video_size 1920x1080 \
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"$HOME/webcam-$(date '+%y%m%d-%H%M-%S').mkv" &
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echo $! >/tmp/recordingpid
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updateicon ""
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}
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webcam() {
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ffmpeg \
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-f v4l2 \
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-i /dev/video0 \
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-video_size 640x480 \
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"$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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[ "$response" = "Yes" ] && killrecording
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}
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videoselected() {
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slop -f "%x %y %w %h" >/tmp/slop
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read -r X Y W H </tmp/slop
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rm /tmp/slop
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ffmpeg \
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-f x11grab \
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-framerate 60 \
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-video_size "$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 "ﲣ"
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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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