This application report describes the implementation of the International Telecommunications Union (ITU)-T H.263 decoder on the TMS320C6000™ DSP. The H.263 decoder does not, at the time of print, meet all of the baseline requirements to be eXpressDSP™ Algorithm Standard compliant; future revisions, however, will be fully eXpressDSP compliant. The following document describes the basics of the standard, and proceeds to more technical aspects of the software.