Run caffeinate for the duration of an ffmpeg process

cafmpeg

#!/usr/bin/env bash
set -euo pipefail

ffmpeg_pid=$(ps auwx | grep ffmpeg | grep -v grep | awk '{print $2}')

if [ "$ffmpeg_pid" == "" ]; then
  echo "Cannot find an ffmpeg pid!"
  exit -1
fi

echo "Caffeinating while pid $ffmpeg_pid runs..."
caffeinate -imsw $ffmpeg_pid