Selective re-transmission of lost multi-media data packets

摘要

A method includes loading video data into packets and appending headers to the packets. Each of the headers includes a first field and a second field. The first field includes a data value to indicate an importance of a respective packet relative to other packets. The second field includes an importance level sequence number to indicate a position of the respective packet in a sequence of packets which have the same importance level as the respective packet.