One of the benefits about digital video is that the videos can be shared with family and friends. iMovie is created for this purpose, just several steps, you can add movies to your website, publish them on YouTube, and create versions for iPod, iPhone, and Apple TV. However, the formats which iMovie supported are
very limited: 3GP,MOV and MP4. If you want to put DVD to iMovie, you must convert DVD to the formats that are compatible with iMovie.