Convert Video-File To MP4 Using VLC CLI

vid2mp4.sh

#!/usr/bin/env bash
# vid2mp4.sh: Convert a video file into MP4 using the VLC Media Player CLI. See:
#
#   https://wiki.videolan.org/VLC_command-line_help
#
# for the options available with VLC CLI and:
#
#  https://wiki.videolan.org/VLC_Features_Formats
#
# for the supported video and audio codecs during encoding.
#
set -euo pipefail
VLC="/Applications/VLC.app/Contents/MacOS/VLC"
for VID in "$@"; do
  if [[ ! -r "${VID}" ]]; then
    echo "ERROR: Cannot read file \"${VID}\"."
    exit 1
  fi

  case "${VID}" in
    *.avi | *.flv) MP4=$(echo "${VID}" | sed s/...$/mp4/);;
    *) echo "ERROR: Unsupported file-format for \"${VID}\"."; exit 1;;
  esac

  echo "INFO: Converting \"${VID}\" to \"${MP4}\"..."
  "${VLC}" -I dummy -v \
    '--sout=#transcode{vcodec=h264,acodec=mp4a,deinterlace}' \
    '--sout=#standard{access=file,mux=mp4}' \
    --sout-standard-dst="${MP4}" --play-and-exit "${VID}" || exit 1
done