Re-encode EAC audio (unsupported on older DLNA clients like Playstation 3) to AAC

eac-to-aac.sh

#!/bin/bash

# Used to help older DLNA clients (e.g. PS3) convert mkv file audio
# (requirement) mediainfo
for mkvFile in $(find ./ -iname "*.mkv" ); do
  # Greps the output from mediainfo (required to run script)
  eacMatch=$(mediainfo $mkvFile | grep -cim1 "A_EAC3");
  # Find files that contain EAC audio
  if [[ ${eacMatch} -ge 1 ]]; then
    # Create directories to process files
    mkdir -p ./{aac,eac}
    mv $mkvFile ./eac/$mkvFile
    # Copy file's video, re-encodes audio from EAC to AAC
    ffmpeg -i ./eac/$mkvFile -c:v copy -c:a aac -b:a 196k ./aac/$mkvFile
    mv ./aac/$mkvFile ./
    rm -rf ./aac ./eac
  fi
done;