Patent ID: 6151074
Filing Date: 2000-11-21
Classification: G06T,G09G,H04N

Abstract:
A digital video processing unit that decompresses an input signal carrying compressed video data and resizes the image represented by the data, comprising:a decoding engine programmed to decompress said compressed video data, thereby providing decompressed video data;a scaling engine programmed to scale said decompressed video data;a memory that stores said compressed video data prior to delivery to said decoding engine and stores said decompressed video data prior to delivery to said scaling engine; anda memory manager in data communication with said decoding engine, said scaling engine, and said memory, said memory manager operable to respond to data request signals from said decoding engine and from said scaling engine and operable to generate address signals for storing data in said memory;wherein said memory has a single data port that delivers said compressed video data and said decompressed video data to said memory manager.