Apparatus and method for encoding/decoding multi-layer videos

PURPOSE: A multi-layer image encoding and decoding method and apparatus thereof are provided to encode packets by creating the packet of an upper layer and a base layer. CONSTITUTION: A header(410) includes a stream identification filed(411). The stream identification field includes the information of codec according an MPEG-2 PES packet. The stream identification filed includes the identification information of the codec for the packet. An optional PES header field(412) includes a stream identification extension field(413). The expansion stream identification field includes codec information.