[MEncoder-users] Ripping dvd to mp4

[Grozdan Nikolov (openSUSE Linux)]

On Monday 24 March 2008 13:34, Erik Slagter wrote:
> Hi,
>
> I want to be able to rip dvd's and play them on my PS3 (and also other
> future, standards-compliant hardware devices, so this rules out ogg,
> matroska etc.)
>
> The nasty thing is that I also want exactly 1 subtitle track included.
> Without subtitling it is actually very simple to rip a dvd...

try http://h264enc.sourceforge.net it has support for the PS3 and MP4 
container. Also hardcoding or dumping the subtitle to disk is supported. You 
can even import the dumped subtitle into the mp4 container

>
> I also found out that mp4 does support (soft) subtitling but most
> devices do not render them, so I will need to render the subtitles in
> the video stream :-(
>
> Also the audio and video need to remain in sync (of course) wich rules
> out solutions that use elementary streams without a/v sync compensation.
>
> As far as I know there is only one combination of programs and options
> that can do this (see attached script), which works fairly well. It uses
> the command line versions of x264 and faac to achieve maximum
> flexibility. The audio and video frames are passed using named pipes so
> there are no huge intermediate files. The stdin-stdout pipes are only
> there to keep all processes running while there is still input to be
> processed, no data is passed through them. It adds chapter info to the
> mp4 file although the PS3 doesn't use it :-(
>
> I was wondering whether someone knows other (simpler) solutions as well.
> Native subtitling rendering support in ffmpeg and mencoder would the
> best solution of course, but that's not reality.
>
> ==============================================
>
> #!/bin/sh
>
> audiolang="en"
> sublang="nl"
>
> if [ $# -lt 1 ]
> then
>          dvd=$PWD
> else
>          dvd="$1"
> fi
>
> if [ ! -d "$dvd" ]
> then
>          echo "not a directory: $1"
>          exit
> fi
>
> vpipe1="dvd2avc1.y4m"
> apipe1="dvd2avc1.apipe"
>
> title=$(mplayer -identify -frames 0 -dvd-device $dvd dvd:// 2>&1 |
>          egrep "ID_DVD_TITLE_[0-9]+_LENGTH=" |
>          sort '-t=' -g -r -k 2 |
>          head -1 | \
>          perl -n -e '($_) = m/ID_DVD_TITLE_([0-9]+)_LENGTH/; print $_')
>
> echo "Main title: $title"
>
> chapters=$(mplayer -identify -frames 0 -dvd-device $dvd dvd://${title}
> 2>&1 |
>          perl -n -e 'if(/^CHAPTERS: /) { s/^CHAPTERS: //; s/,/ /g; print
> $_; last; }')
> echo "Chapters in this title: $chapters"
>
> aid=$(mplayer -identify -frames 0 -dvd-device $dvd dvd://${title} 2>&1 |
>          egrep "ID_AID_[0-9]+_LANG=${audiolang}" |
>          sort -g |
>          head -1 | \
>          perl -n -e '($_) = m/ID_AID_([0-9]+)_LANG/; print $_')
>
> echo "Audio id: $aid"
>
> sid=$(mplayer -identify -frames 0 -dvd-device $dvd dvd:// 2>&1 | \
>          perl -n -e "if(/ID_SID_[0-9]+_LANG=${sublang}/) { (\$a) =
> m/ID_SID_([0-9])+_LANG/; printf \"%s\n\", \$a; }")
>
> echo "Sub id: $sid"
>
> avc="dvd.264"
> aac="dvd.aac"
> mp4="dvd.mp4"
> chap="dvd.chap"
>
> rm "$vpipe1"  "$apipe1" 2> /dev/null
>
> mknod "$vpipe1" p
> mknod "$apipe1" p
>
> rm "$chap" 2> /dev/null
>
> for chapter in $chapters
> do
>          echo "$chapter $chapter" >> $chap
> done
>
> mplayer -noconsolecontrols -nocache -vf-clr -benchmark -slang nl -sid
> "$sid" -aid "$aid" \
>                  -vo "yuv4mpeg:interlaced:file=$vpipe1" -ao
> "pcm:waveheader:file=$apipe1:fast" \
>                  -dvd-device $dvd dvd://$title 1>&2 /dev/null | \
>          x264 --bframes 16 --b-pyramid --ref 4 --interlaced --crf 20 \
>                  --trellis 1 --nr 1000 --level 41 \
>                  --threads 2 --direct none --subme 5 -o "$avc" "$vpipe1" |
> \ (faac --mpeg-vers 4 -b 192 -o "$aac" "$apipe1" 2> /dev/null)
>
> rm "$vpipe1" "$apipe1" 2> /dev/null
>
> MP4Box -lang en -new "$mp4" -add "$avc" -add "$aac" -chap "$chap" -isma

-- 
Regards