dotfiles/.local/bin/dmenurecord
2024-06-14 11:33:34 +05:00

125 lines
2.7 KiB
Bash
Executable File

#!/bin/sh
# Usage:
# `$0`: Ask for recording type via dmenu
# `$0 screencast`: Record both audio and screen
# `$0 video`: Record only screen
# `$0 audio`: Record only audio
# `$0 kill`: Kill existing recording
#
# If there is already a running instance, user will be prompted to end it.
getdim() { xrandr | sed -n "s/\s*\([0-9]\+x[0-9]\+\).*\*.*/\1/p"; }
updateicon() {
echo "$1" >/tmp/recordingicon
pkill -RTMIN+9 "${STATUSBAR:-dwmblocks}"
}
killrecording() {
recpid="$(cat /tmp/recordingpid)"
kill -15 "$recpid"
rm -f /tmp/recordingpid
updateicon ""
pkill -RTMIN+9 "${STATUSBAR:-dwmblocks}"
}
# -f alsa -thread_queue_size 1024 -i default \
screencast() {
ffmpeg -y \
-f x11grab \
-framerate 30 \
-s "$(getdim)" \
-i "$DISPLAY" \
-r 24 \
-use_wallclock_as_timestamps 1 \
-c:v h264 \
-crf 0 -preset ultrafast -c:a aac \
"$HOME/screencast-$(date '+%y%m%d-%H%M-%S').mp4" &
echo $! >/tmp/recordingpid
updateicon "^C4^ ^d^"
}
video() {
ffmpeg \
-f x11grab \
-framerate 30 \
-s "$(getdim)" \
-i "$DISPLAY" \
-c:v libx264 -qp 0 -r 30 \
"$HOME/video-$(date '+%y%m%d-%H%M-%S').mkv" &
echo $! >/tmp/recordingpid
updateicon "^C4^ ^d^"
}
webcamhidef() {
ffmpeg \
-f v4l2 \
-i /dev/video0 \
-video_size 1920x1080 \
"$HOME/webcam-$(date '+%y%m%d-%H%M-%S').mkv" &
echo $! >/tmp/recordingpid
updateicon "^C4^󰄄 ^d^"
}
webcam() {
ffmpeg \
-f v4l2 \
-i /dev/video0 \
-video_size 640x480 \
"$HOME/webcam-$(date '+%y%m%d-%H%M-%S').mkv" &
echo $! >/tmp/recordingpid
updateicon "^C4^󰄄 ^d^"
}
audio() {
ffmpeg \
-f alsa -i default \
-c:a flac \
"$HOME/audio-$(date '+%y%m%d-%H%M-%S').flac" &
echo $! >/tmp/recordingpid
updateicon "^C4^ ^d^"
}
askrecording() {
choice=$(printf "screencast\\nvideo\\nvideo selected\\naudio\\nwebcam 480p\\nwebcam 1080p" | dmenu -bw 2 -l 6 -X 1151 -Y 15 -W 200 -i -p "Recording style:")
case "$choice" in
screencast) screencast ;;
audio) audio ;;
video) video ;;
*selected) videoselected ;;
"webcam 480p") webcam ;;
"webcam 1080p") webcamhidef ;;
esac
}
asktoend() {
response=$(printf "Yes\\nNo" | dmenu -i -bw 2 -W 200 -X 1151 -Y 15 -l 2 -p "End recording?") &&
[ "$response" = "Yes" ] && killrecording
}
videoselected() {
slop -f "%x %y %w %h" >/tmp/slop
read -r X Y W H </tmp/slop
rm /tmp/slop
ffmpeg \
-f x11grab \
-framerate 30 \
-video_size "$W"x"$H" \
-i :0.0+"$X,$Y" \
-c:v libx264 -qp 0 -r 30 \
"$HOME/box-$(date '+%y%m%d-%H%M-%S').mkv" &
echo $! >/tmp/recordingpid
updateicon "^C4^ ^d^"
}
case "$1" in
screencast) screencast ;;
audio) audio ;;
video) video ;;
*selected) videoselected ;;
kill) killrecording ;;
*) ([ -f /tmp/recordingpid ] && asktoend && exit) || askrecording ;;
esac