to_dvd.sh

#!/usr/bin/env bash
# to_dvd.sh:jeff

# SOURCE: http://ffmpeg.gusari.org/viewtopic.php?f=25&t=1235

OUTPUT_FILE=out.mpg
# TODO(jeff): escape input with printf
ffmpeg -i "${1}" -filter:v "scale='if(gt(a,720/480),720,-1)':'if(gt(a,720/480),-1,480)',pad=w=720:h=480:x=(ow-iw)/2:y=(oh-ih)/2" -target ntsc-dvd ${OUTPUT_FILE}

# Environment setup for dvdauthor
export VIDEO_FORMAT=NTSC

DVD_ROOT=dvd
dvdauthor --title -o ${DVD_ROOT} -f ${OUTPUT_FILE}

# Setup the table of contents
dvdauthor -T -o ${DVD_ROOT}

DVD_ROOT=$(pwd)
DVD_NAME="Sinister"
ISO_IMAGE=dvd.iso
hdiutil makehybrid -iso -udf -udf-version 1.02 -joliet \
  -udf-volume-name ${DVD_NAME} -o ${ISO_IMAGE} ${DVD_ROOT}