Patent ID: 6141385
Filing Date: 2000-10-31
Classification: H04N

Abstract:
A coded picture decoding apparatus for processing coded video data transmitted thereto from a coding multiplexing side and decoded by a decoding element, said decoding apparatus comprising:a memory for temporarily storing the decoded video data in units of one picture frame;a memory management section for supervising said memory to detect whether or not picture data for the stored frames are stored into said memory completely without a miss;a video display processing section including a display memory into which video data for a plurality of picture frames successively read out from said memory are temporarily stored and from which the video data are read out in units of one picture frame so as to be displayed in the same order as the video data were stored;an error processing section for checking memory storage information at an output of said memory management section at each video display timing and for outputting, when the memory storage information is not outputted from said memory management section, error information determining that a miss of data has occurred with a picture frame stored immediately before the display timing, and delivering a re-sending request to said coding multiplexing side to re-send video data for the one picture frame in which the miss of data has occurred while maintaining any subsequently received error-free picture frames in said video display processing section display memory; anda control section for storing video data of the one picture frame re-sent from said coding multiplexing side into said display memory of said video display processing section before the re-sent video data are displayed.