Multistandard video decoder and decompression system for processing encoded bit streams including a reconfigurable processing stage and methods relating thereto
First Claim
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1. A multiple stage processing pipeline for handling bit streams encoded in accordance with different standards and arranged as a single serial bit stream, the multiple stage processing pipeline comprising:
- a token generator responsive to the single serial bit stream for generating at least one token;
at least one reconfigurable processing stage to receive said at least one token; and
a parser in said at least one reconfigurable processing stage configured to respond to said at least one token by enabling for processing different portions of the single serial bit stream corresponding to different ones of the different standards.
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Abstract
A pipeline video decoder and decompression system handles a plurality of separately encoded bit streams arranged as a single serial bit stream of digital bits and having separately encoded pairs of control codes and corresponding data carried in the serial bit stream, A reconfigurable decode and parser processing means positioned in certain of the stages is responsive to a recognized control token and reconfigures a particular stage to handle an identified data token.
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Citations
24 Claims
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1. A multiple stage processing pipeline for handling bit streams encoded in accordance with different standards and arranged as a single serial bit stream, the multiple stage processing pipeline comprising:
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a token generator responsive to the single serial bit stream for generating at least one token; at least one reconfigurable processing stage to receive said at least one token; and a parser in said at least one reconfigurable processing stage configured to respond to said at least one token by enabling for processing different portions of the single serial bit stream corresponding to different ones of the different standards. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for handling bit streams encoded in accordance with different standards and arranged as a single serial bit stream comprising:
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generating tokens in response to the single serial bit stream; recognizing certain of the generated tokens as control tokens; parsing the control tokens to reconfigure the at least one reconfigurable processing stage; and processing different portions of the single serial bit stream in the reconfigurable processing stage corresponding to different ones of the standards in response to the generated tokens. - View Dependent Claims (15, 16, 17)
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18. A system comprising:
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a detector unit for receiving a data stream of data having portions encoded according to different standards and for generating tokens based on respective portions of the received data stream; a parser to process the tokens and to reconfigure at least one reconfigurable processing stage in response to the token; and a processor configured to respond to the generated tokens by processing the respective portions of the data stream corresponding to different standards to produce a decoded output using the processing stage reconfigured by the parser. - View Dependent Claims (19, 20, 21, 22, 23, 24)
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Specification