Yet another DVD ripper

Question

Anything welcome.
#!/bin/bash
say() { echo -en "$@" >&2; }
die() { say "$@\n"; exit 1; }
say_help() {
say "-dvd-device Set the dvd where read from, default $DVD_DEVICE\n"
say "-title Set the title to rip. Default $TITLE\n"
say "-chapter Set first[,last] chapter to read from. Default $CHAPTER\n"
say "-alang Set audio lang to extract, might be repeated\n"
say "-slang Set subtitles to extract, might be repeated\n"
say "-width Set width of the output movie. Default -1 (original width)\n"
say "-video_crop Set cropping as -vf crop of mplayer\n"
say "-temp-dir Set working dir, must not exist. Default $TMP_DIR\n"
say "-o Set output file name: it will be a mkv file. Default $OUTPUT_FILE\n"
say "-noclean Do not delete the temp directory after the work\n"
exit 0
DVD_DEVICE="/dev/dvd"
TITLE=1
CHAPTER=1
declare -a ALANG
declare -a SLANG
ORIZONTAL='scale=-1:-10,'
CROP=""
TMP_DIR="$HOME"/tmp_ripping
OUTPUT_FILE="ripped_movie.mkv"
NOCLEAN='false'
START_DIR="$PWD"
if [[ $# -gt 1 ]]; then
while test -n "$1" ;do
case "$1" in
(-dvd-device)
DVD_DEVICE="$2"
shift;;
(-title)
TITLE="$2"
shift;;
(-chapter)
CHAPTER="$2"
shift;;
(-alang)
ALANG=( "${ALANG[@]}" "$2")
shift;;
(-slang)
SLANG=( "${SLANG[@]}" "$2")
shift;;
(-width)
ORIZONTAL='scale='"$2"':-10,'
shift;;
(-video_crop)
CROP='crop='"$2"','
shift;;
(-temp-dir)
TMP_DIR="$2"
shift;;
(-o)
OUTPUT_FILE="$2"
shift;;
(-noclean)
NOCLEAN='true'
(-help|-h)
say_help;;
esac
shift
done
else
say_help
fi
DVD_DEVICE=`readlink -nf "$DVD_DEVICE"`
say "Input device set to \"$DVD_DEVICE\"\n"
OUTPUT_FILE=`readlink -nf "$OUTPUT_FILE"`
say "Output file set to \"$OUTPUT_FILE\"\n"
TMP_DIR=`readlink -nf "$TMP_DIR"`
say "Temp files directory set to \"$TMP_DIR\"\n"
say "\nExtracting audio: "
for ONELANG in "${ALANG[@]}" ;do
say "$ONELANG "
done
say "\nExtracting subs: "
for ONESUB in "${SLANG[@]}" ;do
say "$ONESUB "
done
say "\n\n\n"
say "Starting in 4 seconds...\nPress enter or ctrl-c to abort\n"
read -t 4 && die "ok, nevermind."
touch "$OUTPUT_FILE" || die "Cannot write the output file!"
if [[ ! -d "$TMP_DIR" ]] ;then
mkdir -p "$TMP_DIR" || die "Cannot create the temp directory!"
else
die "Sorry, the temporary working directory must not exist."
fi
cd "$TMP_DIR" || die "Cannot go in the temp directory!"
touch "test" || die "Cannot write in the temp directory!"
rm "test" || die "Cannot write in the temp directory!"
nice -19 mencoder -dvd-device "$DVD_DEVICE" dvd://"$TITLE" -chapter "$CHAPTER" -o /dev/null -nosound -ovc x264 \
-x264encopts direct=auto:pass=1:turbo:bitrate=900:bframes=1:\
me=umh:partitions=all:trellis=1:qp_step=4:qcomp=0.7:direct_pred=auto:keyint=300 \
-vf "$CROP""$ORIZONTAL"harddup || die "Failed the first passage."
nice -19 mencoder -dvd-device "$DVD_DEVICE" dvd://"$TITLE" -chapter "$CHAPTER" -nosound -ovc x264 \
-x264encopts direct=auto:pass=2:bitrate=900:frameref=5:bframes=1:\
me=umh:partitions=all:trellis=1:qp_step=4:qcomp=0.7:direct_pred=auto:keyint=300 \
-vf "$CROP""$ORIZONTAL"harddup -o video.avi || die "Failed second passage."
declare -a AUDIO
for ONELANG in "${ALANG[@]}" ;do
CHANNELS=`mplayer -dvd-device "$DVD_DEVICE" dvd://"$TITLE" -alang "$ONELANG" -chapter "$CHAPTER" \
-identify -frames 0 2>&1 | sed -n -e '/ID_AUDIO_NCH=[^0]/ s_^.*=__ p'`
if [[ $CHANNELS -ne 6 ]] ;then
nice -19 mencoder -dvd-device "$DVD_DEVICE" dvd://"$TITLE" -alang "$ONELANG" -chapter "$CHAPTER" -ovc frameno \
-oac lavc -lavcopts acodec=vorbis:abitrate=224 -channels 2 -srate 48000 -o "$ONELANG".avi \
|| die "Failed audio extraction of $ONELANG"
else
nice -19 mencoder -dvd-device "$DVD_DEVICE" dvd://"$TITLE" -alang "$ONELANG" -chapter "$CHAPTER" -ovc frameno \
-oac copy -o "$ONELANG".avi \
|| die "Failed audio extraction of $ONELANG"
fi
AUDIO=( "${AUDIO[@]}" --language 1:"$ONELANG" -D "$ONELANG".avi )
done
INDEX=0
for ONESUB in "${SLANG[@]}" ;do
nice -19 mencoder -dvd-device "$DVD_DEVICE" dvd://"$TITLE" -alang "$ONELANG" -chapter "$CHAPTER" \
-ovc copy -nosound -o /dev/null \
-vobsubout subtitles -vobsuboutindex "$INDEX" -slang "$ONESUB" \
|| die "Failed subtitle extraction extraction of $ONESUB"
INDEX=$(($INDEX + 1))
done
if [[ "$INDEX" -ne 0 ]] ;then
SUBTITLES='subtitles.idx'
else
SUBTITLES=''
fi
mkvmerge -o "$OUTPUT_FILE" -A video.avi "${AUDIO[@]}" $SUBTITLES
cd "$START_DIR"
if [[ "$NOCLEAN" == "false" ]] ;then
rm -rf "$TMP_DIR"
fi

Answer 1

To Apple Discussions!
Go to your OS Help Menu. In the search field type dvd
Click on all the troubleshooting topics & Support Articles that pertain to your issue.
You can also do the same in Disk Utility. Open same up.
At the bottom left of the window, click on the purple button w/the "?" in the middle.
This will bring up the Help Menu.