Many times DVD authors have a problem with the editing of existing DVDs, when the last edition was not recent. In this situation reauthoring is very difficalt and hard.
You must use hundreds of utilities and tools for Video, Audio and other data extraction. Then you must import hundreds of data files into Scenarist, set relations, and compile.
Now there is one solution for these problems. All you need to do is set the input and output paths, and then you will have all needed data with a scenario file, which you may specify for Scenarist.