Token-based adaptive video processing arrangement

Details Token-based adaptive video processing arrangement Token-based adaptive video processing arrangement

1995-06-07

1998-10-27

Dung, Dinh C.

Computer graphics processing and selective visual display system

Display driving control circuitry

Controlling the condition of display elements

39580036, 345506, G06F 314, G06F 1337

Patent

active

058289070

ABSTRACT:
An MPEG video decompression method and apparatus utilizing a plurality of stages interconnected by a two-wire interface arrangedas a pipeline processing machine. Control tokens and DATA Tokens pass ovef the single two-wire interface for carrying both control and data in token format. A token decode circuit is positioned in certain of the stages for recognizing certain of the tokens as control tokens pertinent to that stage and for passing unrecognized control tokens along the pipeline. Reconfiguration processing circuits are positioned in selected stages and are responsive to a recognized control token for reconfiguring such stage to handle an identified DATA Token. A wide variety of unique supporting subsystem circuitry and processing techniques are disclosed for implementing the system, including memory addressing, transforming data using a common processing block, time synchronization, asynchronous swing buffering, storing of video information, a parallel Huffman decoder, and the like.

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