NOTE: the code for this project has migrated to GitHub at https://github.com/axiomatic-systems/Bento4
It is still available through SourceForge for a short time, but please update your links.
Bento4 is a Portable C++ Class Library and tools for parsing and creating ISO MP4 (ISO 14496-12, 14496-14 and 14496-15), iTunes, Quicktime, OMA DCF/PDCF, PIFF, DECE, and MPEG-DASH or Smooth Streaming files containing MPEG-4 or other types of media streams.