How to convert DVD to MPEG on Mac?
This tutorial on MPEG format contains 4 parts. This is part 4:
Software required: iMedia Converter for Mac.
You can download it for free:
1Run iMedia Converter for Mac
To install it, simply mount the .dmg archive by double-clicking it, and drag the application to your applications folder (or wherever you want it ).
2Load DVD or Videos you want to convert to MPEG
Drag & drop the DVD disc image
to the grey area. Or go to “File” menu, chose “Load DVD” and navigate to the files you want to add.
After a DVD or several video files are imported successfully, you can see all of them listed in the program.

3Choose output format: MPEG

Select 'MPEG' as the output format.
4Edit the DVD (Optional)
You can split, crop, set special effect or add watermark to DVD and videos on Mac.

5Convert Videos and DVD to MPEG on Mac
Click "Convert" button to start to convert Videos and DVD to MPEG.
You can also use iMedia Converter to extract audio from DVD.