ffmpegscreengrab.sh

#!/bin/bash

set -eu

filename="${1:-}"

if [[ -z "$filename" ]]; then
  echo "Usage: $0 <filename>"
  exit 1
fi

sleep 3

mpv /home/nick/beep-07.wav

ffmpeg \
  -video_size 1920x1080 \
  -framerate 25 \
  -f x11grab \
  -i :0.0 \
  -f pulse \
  -i default \
  -c:a mp3 \
  -c:v h264 \
  -pix_fmt yuv420p \
  -preset ultrafast \
  -threads 0 \
  "$filename"