dotfiles/home/.local/bin/scripts/dmenu/dmenurecord
2021-07-22 21:14:54 +02:00

122 lines
2.6 KiB
Plaintext
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
# `$0 kill`: Kill existing recording
#
# If there is already a running instance, user will be prompted to end it.
screencast() {
ffmpeg -y \
-f x11grab \
-framerate 60 \
-s "$(xdpyinfo | grep dimensions | awk '{print $2;}')" \
-i "$DISPLAY" \
-f alsa -i default \
-r 30 \
-c:v h264 -crf 0 -preset ultrafast -c:a aac \
"$HOME/screencast-$(date '+%y%m%d-%H%M-%S').mp4" &
echo $! > /tmp/recordingpid
}
video() {
ffmpeg \
-f x11grab \
-s "$(xdpyinfo | grep dimensions | awk '{print $2;}')" \
-i "$DISPLAY" \
-c:v libx264 -qp 0 -r 30 \
"$HOME/video-$(date '+%y%m%d-%H%M-%S').mkv" &
echo $! > /tmp/recordingpid
}
webcamhidef() {
ffmpeg \
-f v4l2 \
-i /dev/video0 \
-video_size 1920x1080 \
"$HOME/webcam-$(date '+%y%m%d-%H%M-%S').mkv" &
echo $! > /tmp/recordingpid
}
webcam() {
ffmpeg \
-f v4l2 \
-i /dev/video0 \
-video_size 640x480 \
"$HOME/webcam-$(date '+%y%m%d-%H%M-%S').mkv" &
echo $! > /tmp/recordingpid
}
audio() {
ffmpeg \
-f alsa -i default \
"$HOME/audio-$(date '+%y%m%d-%H%M-%S').mp3" &
echo $! > /tmp/recordingpid
}
asktoend() {
response=$(printf "No\\nYes" | dmenu -i -p "Recording still active. End recording?") &&
[ "$response" = "Yes" ] && killrecording
}
videoselected()
{
slop -f "%x %y %w %h" > /tmp/slop
read -r X Y W H < /tmp/slop
rm /tmp/slop
ffmpeg \
-f x11grab \
-framerate 60 \
-video_size "$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 $! > /tmp/recordingpid
}
killrecording() {
recpid="$(cat /tmp/recordingpid)"
# kill with SIGTERM, allowing finishing touches.
kill -15 "$recpid" 2>/dev/null
rm -f /tmp/recordingpid
# even after SIGTERM, ffmpeg may still run, so SIGKILL it.
sleep 3
kill -9 "$recpid" 2>/dev/null
exit
}
askrecording() { \
choice=$(printf "screencast\\nvideo\\nvideo selected\\naudio\\nwebcam\\nwebcam (hi-def)" | dmenu -i -p "Select recording style:")
case "$choice" in
screencast) screencast;;
audio) audio;;
video) video;;
*selected) videoselected;;
webcam) webcam;;
"webcam (hi-def)") webcamhidef;;
esac
}
case "$1" in
screencast) screencast;;
audio) audio;;
video) video;;
*selected) videoselected;;
kill) killrecording;;
*)
if [ -f /tmp/recordingpid ]; then
recpid="$(cat /tmp/recordingpid)"
if ps -p $recpid > /dev/null; then
asktoend
exit
fi
fi
askrecording;;
esac