How to unpack DVD movie to edit it's video/sound?

[Robin Laing]

Guy Fraser wrote:
> On Tue, 2005-23-08 at 11:07 -0600, Robin Laing wrote:
> 
>>Strong wrote:
>>
>>>I wrote recently, but did get any respond, trying to rewrite another
>>>way...
>>>I have a DVD movie, that needs to be edited: video and sound.
>>>Thus the question is: what software i should use to unpack from its
>>>format to the format that will be operable for the video audio
>>>processing as the next step?
>>>Finally, i want to compile it in DVD format again. So, it will be nice
>>>to loose its quality minimally. Big thanks, for Your solutions!
>>
>>Funny, it has been discussed a couple of times since your original post 
>>but in different threads.
>>
>>This was from a thread on copying a DVD.
>>Here is a script I use for shrinking DVDs. Needs some work but you
>>should get the idea. You will need to d'load vobcopy, tcextract etc.
>>
>>Using the tools mentioned and Audacity and avidemux2 or similar 
>>programs, you should be in business.
>>
>>I have installed yumextender and this allows me to search through the 
>>various packages that are on the reposotiries that I use.  It makes it 
>>easier to browse the various and numerious packages that are available.
>>
>>Basically, you have to convert the DVD vob files to a format that you 
>>can edit.
>>
>>#! /bin/bash
>>cd /video
>>pwd
>>echo "Ripping DVD"
>>vobcopy -l /dev/hda -t movie
>>echo "Extracting Video"
>>tcextract -i movie*-1.vob -t vob -x mpeg2 > movie.m2v
>>echo "Extracting Audio"
>>tcextract -i movie*-1.vob -t vob -x ac3 -a 0 > movie.ac3
>>echo "Calculating Shrink Ratio"
>>rm movie*-1.vob
>>echo "Calculating Shrink Ratio"
>>M1=$(ls -l movie.m2v | awk '{ print $5 }')
>>M2=$(ls -l movie.ac3 | awk '{ print $5 }')
>>M3=$(echo 4600000000 - $M2 | bc)
>>M4=$(echo "scale = 2; $M1 / $M3 * 1.04" | bc)
>>echo "Movie size =" $M1
>>echo "Sound size =" $M2
>>echo "Blank - Sound size =" $M3
>>echo "Scale Factor =" $M4
>>echo "Shrinking For DVD-5"
>>tcrequant -i movie.m2v -o shrink.m2v -f $M4
>>echo "Deleting Video File"
>>rm movie.m2v
>>echo "Re-combining Video and Audio"
>>mplex -f 8 -o movie%d.mpg shrink.m2v movie.ac3
>>echo "Deleting Video File"
>>rm shrink.m2v
>>echo "Deleting Audio File"
>>rm movie.ac3
>>echo "Authoring DVD..."
>>dvdauthor -o output -x dvd.xml
> 
> 
> Cool!
> 
> Where did you get the dvd.xml or what do you use to generate it ?
> 
> 
> 

I got the script from another thread, "DVD Writing".  I have bcc'd the 
OP of the script and hopefully they can respond if they don't see the 
thread.


-- 
Robin Laing