CAVLC run-before decoding scheme
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United States of America Patent
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Aug 10, 2010
Grant Date -
Jan 14, 2010
app pub date -
Jul 8, 2008
filing date -
Jul 8, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
Techniques for decoding the run_before fields in a CAVLC encoded bitstream for H.264 are disclosed. In one aspect, the codewords corresponding to a plurality of consecutive initial zero-value run_before codewords are stored in a look-up table, allowing the decoding of such a plurality of run_before codewords in a single computation cycle. In another aspect, the look-up table is additionally configured to decode the next non-zero run_before value after the initial zero-value run_before codewords in the same computation cycle.
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