VIDEO DECODING METHOD AND APPARTUS FOR RECEIVING COMPRESSED STREAM DATAAND ENABLING FAST CHANNEL CHANGE OF COMPRESSED VIDEO.

摘要

A video decoder (200, 600, 700), and corresponding method (900) are described for enabling fast channel change of compressed video, where a video decoder (200, 600, 700) for receiving compressed stream data and providing decompressed video output includes a demultiplexer (210, 610, 710) for receiving the compressed stream data and separating the normal stream and the channel change stream, a normal decoding portion (212, 612, 712) in signal communication with the demultiplexor for selectably receiving the compressed normal and channel change streams, and providing decompressed video output, and a normal frame store in signal communication with the normal decoding portion for storing reference pictures.