plexify.sh

#!/bin/bash
#
# Plexify.sh
#
# This script accepts a video file as input and transcodes it to lower bitrate 
# 2160p, 1080p, 720p, and 480p copies depending on the source resolution.

PATH="/usr/local/bin/:${PATH}"
readonly handbrake=$(command -v HandBrakeCLI)
readonly input=${1}
readonly input_dir=$(dirname "${input}")
readonly filename=$( echo ${input} | sed s:"${input_dir}/":: )
readonly title_name=$(basename "${input}" | sed 's/\.[^.]*$//')
readonly height=$(ffprobe -v error \
  -show_entries stream=height \
  -of default=noprint_wrappers=1:nokey=1 "${input}" \
  | grep -m 1 "\d*")

if [ ! -f ${handbrake} ]; then
  echo "Cannot find handbrake. Please install and try again."
  echo "Exiting."
  exit 1
fi

if [ ! -f ${input} ]; then
  echo "${input} does not exist. Exiting."
  exit 2
fi

function transcode() { 
  resolution=${1}
  framerate=${2}
  output_filename="${title_name} - ${resolution}.mkv"
  output="${input_dir}/${output_filename}"
  preset="${resolution}${framerate} mkv subtitles"
  
  if [ -s "${output}" ]; then 
    echo
    echo "${output_filename} already exists. Skipping."
    exit 3
  fi
  
  echo
  echo "$(date +"%H:%M:%S")"
  echo "🎥 Now transcoding \"${filename}\" to ${resolution}${framerate}."
  echo "This may take a while. Why not grab a ${3}"
  
  ${handbrake} --preset-import-gui \
  -Z "${preset}" \
  -i "${input}" \
  -o "${output}" \
  &> "${input_dir}/${title_name} - ${resolution} $(date +"%Y-%m-%d %H-%M-%S").log"
  
  echo
  echo "$(date +"%H:%M:%S")"
  echo "🚀 Finished transcoding \"${filename}\" to ${resolution}${framerate}."
}

transcode '480p' '30' '☕'

if [ ${height} -gt '480' ]; then
  transcode '720p' '30' '☕'
fi

if [ ${height} -gt '720' ]; then
  transcode '1080p' '60' '🥪'
fi

if [ ${height} -gt '1080' ]; then
  transcode '4k' '60' '😴'
fi

echo
echo "Finished transcoding \"${filename}\""
echo