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#!/bin/sh
# record: Record an mp4 video using ffmpeg. By default it will output the
# video to './out.mp4' at 1080p. On NixOS, ffmpeg requires Xcb support.
set -eu
while getopts ":r:h" args; do
case "$args" in
r) RESOLUTION="$OPTARG" ;;
h) echo "Usage: record [-r RESOLUTION] FILE" >&2
exit 1
;;
*) printf "Invalid option: -%s\nSee '-h' for usage\n" "$OPTARG" >&2
exit 1
;;
esac
done
shift $((OPTIND - 1))
FILE="${1:-out}"
: "${RESOLUTION:=1920x1080}"
ffmpeg -y -f x11grab -s "$RESOLUTION" -framerate 60 -i :0.0 -f alsa \
-i default -nostats -hide_banner -loglevel quiet "${FILE}.mp4"
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