Many DVD collectors may run into the problem of converting DVD to MPEG-4 and sharing their DVD movies with friends and backing up DVD files on their computer hard drive or a blank DVD disc.
MacTheRipper is a free DVD Ripper (extractor) for Mac OS X. It can extract commercial DVD movies to your hard drive, minus all the copy protection and region controls put in place by DVD publishers.
MPEG4 is a patented collection of methods defining compression of audio and visual (AV) digital data. absorbs many of the features of MPEG-1 and MPEG-2 and other related standards, adding new features such as (extended) VRML support for 3D rendering, object-oriented composite files (including audio, video and VRML objects), support for externally-specified Digital Rights Management and various types of interactivity. AAC (Advanced Audio Codec) was standardized as an adjunct to MPEG-2 (as Part 7) before MPEG-4 was issued.
Part 1, How to rip DVD using Mac The Ripper.
Step 1, Download Mac The Ripper.
http://www.mactheripper.org
Step 2, Rip and copy DVD for free. Insert your DVD movie into your DVD drive and launch the MacTheRipper. There are two major setting parts: Disc and Mode.
REC Region settings:
UOPS: Allow you to skip or fast-forward through most DVD content, such as warning screens, previews etc.
RCE Region:
If MacTheRipper displays "DISC RCE: CLEAR" after scanning the DVD, you can leave the option to OFF status.
If MacTheRipper displays "DISC RCE: -DETECTED-", you must set the option to the region in which the DVD was purchased.
De-Macrovision: Allow you to record your DVDs straight to VCR, or connect the DVD player through a VCR without getting a bunch of wavy lines. This is enabled by default.
Mode setting: Select the Full Disc Extraction Mode to reserve all the info in the inserted DVD disc.

Step 3, Complete DVD Ripping. You can find a folder in the save location. The output files extracted by MacTheRipper are saved as .VOB format.

Part 2, How to convert DVD to MPEG-4 video for Mac OS X?
If you want to play the ripped DVD (.VOB) using QuickTime, iPod, iPhone and more devices. Just convert it to MPEG-4 on Mac OS. But MacTheRipper could only make a copy of your DVD, it could not convert DVD to any video files like ASF, MPEG-4, FLV, MOV, etc. Thus, you have to find a free video converter tool named iSquint to convert the ripped DVD to MPEG-4.
Don’t want to mess around with these complicated applications? You can choose Wondershare Video Converter Pro for Mac to rip DVD to MPEG-4 with only a few clicks!
