Presented by Phil Cluff at Demuxed 2015.

You probably use MP4 containers every day, but do you really know much about what's inside them, and what changes as we start to use FMP4 delivery online? This session will dive into the MP4 atom structure, and how it has evolved for ISO BMFF format for FMP4 content. We'll look at tools you can use to dump, explore and fiddle with information in your (F)MP4s.