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US 9,432,666 B2Granted
CAVLC decoder with multi-symbol run before parallel decode
AssigneeIntel Corporation
InventorsMohmad I. Qurashi, Samuel Wong, Hiu-Fai R. Chan, Scott W. Cheng
Life of this patent
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Abstract
Context-adaptive variable length bitstream decoding performance may be improved and power consumption reduced by pushing the variable length decoding beyond one syntax element per clock pulse.
Claims20
A method comprising:
- performing context adaptive variable length decoding to determine if there are less than a predetermined number of ZerosLeft;
- and if so, decoding two symbols at a time.
A non-transitory computer readable storing instructions to perform a sequence comprising:
- performing context adaptive variable length decoding to determine if there are less than a predetermined number of ZerosLeft;
- and if so, decoding two symbols at a time.
An apparatus comprising:
- a context adaptive variable length decoder to determine if there are less than a predetermined number of ZerosLeft and if so, to decode two symbols at a time;
- a motion predictor, coupled to said decoder;
- and a coefficients functional block coupled to said decoder;
- and a storage coupled to said decoder.
1 more element
A system comprising:
- a processor;
- and a codec coupled to said processor, said codec including a context adaptive variable length decoder to determine if there are less than a predetermined number of ZerosLeft and, if so, to decode two symbols at a time.
Dependencies are inferred from the claim text.