The following are some recommended background reading related to MPEG4IP:

For a good overview of IP based multimedia:
"Internetworking Multimedia"
Jon Crowcroft, Mark Handley, Ian Wakeman
Morgan Kauffman, 1999

For a good introduction to audio and video coding principles:
"Digital Compression for Multimedia: Principles and Standards"
Gibson, Berger, Lookabaugh, Lindbergh, and Baker
Morgan Kauffman, 1998

For a practical discussion of video coding specifically:
"Video Codec Design: Developing Image and Video Compression Systems"
Iain Richardson
John Wiley, 2002