Stock Video Clips What Resolution/format Is Required/suggested When Creating A DVD Program?

What resolution/format is required/suggested when creating a DVD program? - stock video clips

I have to be a guide to DVDs and have good quality. Buy video clips inventory and need to know what the necessary resolution of my videos. The options are different sizes sizes and formats. I use a professional DVD and videos, are available. Please help me, what can I do to need a DVD-quality.