To see the status of encoding for each file:
Choose Project > Project Info.
iDVD is preset to encode video files as you work, saving you time when you burn a project to DVD or create a disc image of it. You can see how much of your project has been encoded in the Project Info window.
Choose Project > Project Info.
Project files are listed in the Asset table at the bottom of the Project Info window. You can see the progression of the encoding process for each file in the Encoding column. When encoding is complete, it says “Done.”