Posted by SuperM on 05/02/07 07:50

On Tue, 01 May 2007 21:30:21 GMT, Losher Ooka
<losherooka@y-a-h-o-o-dot.com> Gave us:

>On 2007-04-28, Wendell III <wendell.iii@gmail.com> wrote:
>> Hi all,
>>
>> I am looking for a way to make my headless Linux box auto-detect
>> DVD-video upon insert into a drive, proceed with a ripping process, and
>> then an H.264 encoding process. Basically, I'm looking for a solution
>> where I have to do nothing but insert the disc.
>>
>> Any suggestions on how to proceed? Obivously the latter parts are
>> easier if I can figure out the former...
>>
>> Cheers,
>> -Wendell
>
>If you can script, it's easy enough to write a shell/perl/whatever
>script that runs in the background and examines the drive
>periodically. When it finds a DVD video inserted, it rips it to the
>hard drive, and then transcodes it.
>
>Actually, the hardest part, as someone has already pointed out, is
>that there's really no standard arrangment of titles on DVDs, so it's
>hard to fully automate the encoding -- simply choosing the longest
>title in it's primary language is the usual heuristic and generally
>works ok on movie DVDs, but like all heuristics will occasionally do
>completely the wrong thing, failing miserably on e.g. episodic dvds
>(i.e. ones containing a bunch of TV episodes).


THANK YOU.

SHeesh... I thought I was more bonkers than I already know myself to
be. ;-]
>
>That said, you might cobble together, for example, a script using:
>
>1) dvd+rw-mediainfo to see if the drive is loaded
>
>2) lsdvd to print information about a video-DVD including the longest track
>
>3) tccat (or vobcopy or dvdbackup) to rip DVD titles to the hard drive
>
>4) mencoder to do the encoding.
>
>So something like:
>
>#! /bin/sh
>
>dev=/dev/hdb
>
>while true; do
> # sleep 15 minutes
> sleep 900
>
> # anything in the dvd drive?
> dvd+rw-mediainfo $dev
> if [ $? != 0 ]; then
> eject $dev
> continue
> fi
>
> # find the longest title/chapter
> longest=`lsdvd $dev | egrep -i longest | sed 's/.*: //'`
>
> # extract the longest title/chapter
> tccat -T $longest,-1 -i $dev > $longest.vob
>
> # encode, pass1
> nice -n +19 mencoder -oac copy -o /dev/null -ovc lavc -lavcopts \
> vcodec=mpeg4:vbitrate=950:vhq:autoaspect:vpass=1 $longest.vob
>
> # encode, pass2
> nice -n +19 mencoder -oac copy -o $longest.avi -ovc lavc -lavcopts \
> vcodec=mpeg4:vbitrate=950:vhq:autoaspect:vpass=2 $longest.vob
>
> # delete the ripped title/chapter to save space
> rm $longest.vob
>
> # eject the disk
> eject $dev
>done
>
>Cheers,
>
>Losher
>
>
Nice code segment, but Linux usually looks at the media upon
insertion, so it wouldn't be too hard to make it look, then hit the
script at insertion time, and do away with that sleepy shtuff.

Heheheh!

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