There are a plethora of formats out there and often you need a simple compressed format to move things around.
I don’t know if there is an easier solution (please share if you know one) –
# Recent Edit – Try this tool before proceeding – http://www.noobslab.com/2013/09/curlew-multi-converter-01203-version.html
To convert the DVD into a compact format you can use devede –
http://news.softpedia.com/news/How-to-convert-AVI-to-DVD-54418.shtml # The link shows how to convert AVI to DVD.
To do vice versa – DVD to AVI –
1. Install devede –
$ sudo apt-get install devede # works on Ubuntu
2. Run devede –
$ devede &
3. Select the Divx / MPEG -4 option
4. Add the DVD videos of interest
Click on Add below
Choose the .VOB files of interest (I think it allows only one at a time)
When done with the addition –
3. Choose the appropriate media size & click on ‘Adjust disc usage’ button
4. Click Foward
5. Quit when done
6. You will get a .avi file for each .VOB file. You can join them into one in the destination folder using –
$ mencoder -oac copy -ovc copy movie_01.avi movie_02.avi movie_03.avi -o WholeMovie.avi
(Source: http://www.linuxquestions.org/questions/linux-general-1/how-to-merge-2-avi-together-424988/)
There should be an easier way to do this!